The present disclosure provides a coupling arrangement for coupling a tool to a machine. A body-bracket alignment guide is mounted to a bracket and comprises at least one body-bracket guide body configured to guide a quick coupler body at least partially into a bracket cavity during coupling of front and back pin-recess assemblies. An axial alignment guide is mounted to the quick coupler and comprises at least one axial guide body. At least one mounting surface of the axial guide body is configured to restrain relative movement between the quick coupler and bracket along the back pin-recess assembly axis when the back pin-recess assembly is coupled. At least one axial ramp of the axial guide body is configured to, during coupling of the back pin-recess assembly, guide the bracket to be located adjacent to the at least one mounting surface.
A controller for hydraulic system of a work machine is provided. The controller is configured to perform a worktool disconnect routine to reduce pressure in a first worktool line and a second worktool line of the hydraulic system. The hydraulic system comprises a spool valve, a first worktool port connected to the spool valve by the first worktool line, a second worktool port connected to the spool valve by the second worktool line, a high pressure flow source of hydraulic fluid connected to the spool valve by a high pressure line and a low pressure tank line connected to the spool valve, the low pressure tank line at a lower pressure than a pressure of the high pressure line. When performing the worktool disconnect routine the controller is configured to: check that a power source of the work machine is operating, instruct the high pressure flow source of hydraulic fluid to provide no flow of hydraulic fluid in the high pressure line to the spool valve, instruct the spool valve to move to a first position wherein the first worktool port is connected to the low pressure tank line and the second worktool port is connected to the high pressure flow source in order to reduce a pressure in the first worktool line, and instruct the spool valve to move to a second position wherein the second worktool port is connected to the low pressure tank line and the first worktool port is connected to the high pressure flow source in order to reduce a pressure in the second worktool line.
A coupling device for releasably coupling a tool to a work machine. The coupling device includes a retaining element (62) for either locking or releasing a connection between a mount (52) of the coupling device and the tool. The retaining element (62) is mounted on the mount (52) by at least one bearing unit (74, 74') such that it is displaceable along a longitudinal axis (L) and pivotable around a pivot axis (P) perpendicular to the longitudinal axis (L). The retaining element (62) comprises at least one bearing element (82, 82') which has a structural configuration that limits pivoting movement of the retaining element (62) relative to the mount (52) around the pivot axis (P).
The present disclosure provides a coupling arrangement for coupling a tool to a machine. A body-bracket alignment guide is mounted to a bracket and comprises at least one body-bracket guide body configured to guide a quick coupler body at least partially into a bracket cavity during coupling of front and back pin-recess assemblies. An axial alignment guide is mounted to the quick coupler and comprises at least one axial guide body. At least one mounting surface of the axial guide body is configured to restrain relative movement between the quick coupler and bracket along the back pin-recess assembly axis when the back pin-recess assembly is coupled. At least one axial ramp of the axial guide body is configured to, during coupling of the back pin-recess assembly, guide the bracket to be located adjacent to the at least one mounting surface.
A controller for hydraulic system of a work machine is provided. The controller is configured to perform a worktool disconnect routine to reduce pressure in a first worktool line and a second worktool line of the hydraulic system. The hydraulic system comprises a spool valve, a first worktool port connected to the spool valve by the first worktool line, a second worktool port connected to the spool valve by the second worktool line, a high pressure flow source of hydraulic fluid connected to the spool valve by a high pressure line and a low pressure tank line connected to the spool valve, the low pressure tank line at a lower pressure than a pressure of the high pressure line. When performing the worktool disconnect routine the controller is configured to: check that a power source of the work machine is operating, instruct the high pressure flow source of hydraulic fluid to provide no flow of hydraulic fluid in the high pressure line to the spool valve, instruct the spool valve to move to a first position wherein the first worktool port is connected to the low pressure tank line and the second worktool port is connected to the high pressure flow source in order to reduce a pressure in the first worktool line, and instruct the spool valve to move to a second position wherein the second worktool port is connected to the low pressure tank line and the first worktool port is connected to the high pressure flow source in order to reduce a pressure in the second worktool line.
F15B 21/00 - Common features of fluid actuator systemsFluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
A controller for hydraulic system of a work machine is provided. The controller is configured to perform a worktool disconnect routine to reduce pressure in a first worktool line and a second worktool line of the hydraulic system. The hydraulic system comprises a spool valve, a first worktool port connected to the spool valve by the first worktool line, a second worktool port connected to the spool valve by the second worktool line, a high pressure flow source of hydraulic fluid connected to the spool valve by a high pressure line and a low pressure tank line connected to the spool valve, the low pressure tank line at a lower pressure than a pressure of the high pressure line. When performing the worktool disconnect routine the controller is configured to: check that a power source of the work machine is operating, instruct the high pressure flow source of hydraulic fluid to provide no flow of hydraulic fluid in the high pressure line to the spool valve, instruct the spool valve to move to a first position wherein the first worktool port is connected to the low pressure tank line and the second worktool port is connected to the high pressure flow source in order to reduce a pressure in the first worktool line, and instruct the spool valve to move to a second position wherein the second worktool port is connected to the low pressure tank line and the first worktool port is connected to the high pressure flow source in order to reduce a pressure in the second worktool line.
F15B 21/00 - Common features of fluid actuator systemsFluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
A wiring assembly for an excavator including a first wiring harness and a second wiring harness. The first wiring harness can include a first branch and a second branch. The second wiring harness can include a third branch, a fourth branch, and a fifth branch. The fifth branch can be include a fifth connector couplable to a tiltrotator connector of a tiltrotator of the excavator.
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
E02F 3/28 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets
The present invention pertains to a Method of decoupling a tool (20) from a tilt rotator assembly (100) comprising a tilt rotator (10) with a tool (20) coupled thereto, the method comprising: retrieving (S20) at least one value (VI) corresponding to a current posture of the tilt rotator assembly (100); determining (S30) at a control unit (2) whether the at least one retrieved value (VI) fulfills a predetermined condition; and allowing (S40) the decoupling of the tool (20) from the tilt rotator assembly (100) if it is determined that the at least one retrieved value (VI) fulfills the predetermined condition. The present invention further pertains to a vehicle (200) comprising a tilt rotator assembly (100) being configured to carry out said method and a computer system for performing said method.
A coupling assembly (30) includes a mount (31) for receiving a tool (20) to releasably mount the tool in a mounted position on a work machine (1), and a retaining body (50) comprising retaining portions (51, 51') and movable relative to the mount (31) between a release position and a retaining position in which the retaining portions (51, 51') retain the tool (20) in the mounted position. The retaining body (50) is movable in translation and also pivotable relative to the mount (31) about a pivot axis (X2) arranged between the retaining portions (51, 51'). Two actuator assemblies (60, 60') are pivotably attached to the retaining body (50) between the pivot axis (X2) and the respective retaining portions (51, 51') to move the retaining body (50) in translation between the release position and the retaining position. The actuator assemblies (60, 60') may be arranged at opposite sides of the mount (31) providing space for a power supply mechanism (70) arranged in-between them.
A coupling assembly (30) includes a mount (31) for receiving a tool (20) to releasably mount the tool in a mounted position on a work machine (1), and a retaining body (50) comprising retaining portions (51, 51') and movable relative to the mount (31) between a release position and a retaining position in which the retaining portions (51, 51') retain the tool (20) in the mounted position. The retaining body (50) is movable in translation and also pivotable relative to the mount (31) about a pivot axis (X2) arranged between the retaining portions (51, 51'). Two actuator assemblies (60, 60') are pivotably attached to the retaining body (50) between the pivot axis (X2) and the respective retaining portions (51, 51') to move the retaining body (50) in translation between the release position and the retaining position. The actuator assemblies (60, 60') may be arranged at opposite sides of the mount (31) providing space for a power supply mechanism (70) arranged in-between them.
A wiring assembly (200) for an excavator (100) including a first wiring harness (202) and a second wiring harness (206). The first wiring harness (202) can include a first branch (302) and a second branch (306). The second wiring harness (206) can include a third branch (502), a fourth branch (506), and a fifth branch (510). The fifth branch (510) can include a fifth connector (512) couplable to a tiltrotator connector (232B) of a tiltrotator (122) of the excavator (100).
A replaceable work part which has a base and a tooth portion provided on an upper side of the base. A plurality of mounting legs extend downward from the base. Each mounting leg defines a recess and is configured to engage a corresponding mounting structure formed on a jaw of the jaw assembly. The replaceable work part is mounted to the jaw by being inserted into the same from above and sliding the same onto the jaw in a sliding direction to engage the mounting legs with the mounting structures of the jaw. In this state, locking members are inserted between the replaceable work part and the jaw and secured to the replaceable work part to restrict movement of the replaceable work part in the direction opposite to the mounting direction.
A replaceable work part for a jaw assembly of a demolition tool is disclosed. The work part (10) comprises a base (12) and a tooth portion (14) provided on an upper side of the base (12). A plurality of mounting legs (16, 18) extend downward from the base. Each mounting leg defines a recess (20, 22) and is configured to engage a corresponding mounting structure formed on a jaw of the jaw assembly. The work part (10) is mounted to the jaw by being inserted into the same from above and sliding the same onto the jaw in a sliding direction to engage the mounting legs (16, 18) with the mounting structures of the jaw. In this state, locking members are inserted between the work part (10) and the jaw and secured to the work part (10) to restrict movement of the work part (10) in the direction opposite to the mounting direction.
A tooth shroud for a demolition tool is disclosed wherein forces produced during demolition operations may be dissipated so as to avoid excessive forces at stress points. A tooth block for a demolition tool comprises a first tooth shroud and a second tooth shroud. The first and second tooth shroud each comprising a body having a front wall and an end wall wherein a cavity is enclosed by the front wall and the end wall; an impact member extending longitudinally from the body; and a cut-out disposed on the end wall, wherein the first tooth shroud is connected to the second tooth shroud.
A coupler for detachably coupling to a work tool is provided. The coupler includes a frame with a first aperture formed therein. The first aperture extends along a first axis inclined with respect to a transverse axis of the frame. The coupler further includes a first locking member provided within the first aperture. The coupler also includes an actuator configured to move the first locking member between an unlocked position in which first locking member is disengaged from the work tool, and a locked position in which the first locking member is engaged with the work tool.
E02F 3/32 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
E02F 3/34 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with bucket-arms directly pivoted on the frames of tractors or self-propelled machines
An apparatus for coupling a work tool to an arm assembly of a machine includes a first plate and a second plate fixed to the work tool, the second plate being spaced apart from the first plate along a first direction. An external surface of the first plate defines a forward recess and an aft recess, and an external surface of the second plate defines a forward recess and an aft recess. A concavity of each of the forward recess of the first plate, the aft recess of the first plate, the forward recess of the second plate, and the aft recess of the second plate facing a second direction, the second direction being transverse to the first direction.
E02F 3/32 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
17.
Apparatus and method for coupling work tool to a machine
An apparatus to couple the work tool to the arm assembly is disclosed. The arm assembly may have at least one arm. The work tool may have at least one recess. The apparatus may have at least one pin member adapted to engage with the at least one arm and the at least one recess. The at least one pin member may rotate in the at least one recess between a locked orientation and an unlocked orientation. The at least one pin member couples the work tool to the arm assembly in the locked orientation, and the work tool is separable from the arm assembly in the unlocked orientation.
E02F 3/32 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
18.
Method of decoupling a cylinder from a jaw in a demolition tool and link assembly thereof
A method of decoupling a cylinder from a jaw in a demolition tool is disclosed. The jaw may have spaced apart first and second lugs. The method may include unlocking a first end of a pin from a first lug. The pin may have a groove adjacent the first end. The method may include rotating the first and second lugs in a first direction (A) from a first lug position to a second lug position wherein the pin slides through the first and second lugs and the first end moves from the first lug to the second lug to uncouple the cylinder from the jaw. The method may also include engaging a locking element biasingly supported on the second lug into the groove to retain the pin at the second lug. Further, the method may include moving the cylinder from between the spaced apart first and second lugs.
A hydraulic cylinder cover is disclosed. The hydraulic cylinder cover may have a body having a first end and a second end. The hydraulic cylinder cover may also have a flange positioned at the first end. In addition, the hydraulic cylinder cover may have a cover eye provided on the flange. The cover eye may be configured to connect to a piston rod eye of a hydraulic cylinder.
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
A replaceable tip for a demolition tool tip may include a first sidewall having a first contact side; a second sidewall having a second contact side; and a center wall connecting the first sidewall and the second sidewall. The center wall may have a third contact side provided with a recess, the recess may have first and second abutment surfaces, and the third contact side may have a third abutment surface adjacent the recess. A channel may be defined by the first, second and third contact sides, and the channel may be configured to receive an adapter of the demolition tool.
A lip shroud for a dragline lip configured to prevent wear on the dragline lip and to prevent decoupling therefrom during operations. The lip shroud comprises of a first sidewall having a first abutment surface provided with an opening; a second sidewall having a second abutment surface wherein the second sidewall has a securing portion configured for coupling to a lock device on the dragline lip; and a center wall having a third abutment surface, the center wall connecting the first sidewall and the second sidewall wherein the first, second and third abutment surfaces define a channel to receive an edge portion of the dragline lip.
A gripping device for attachment to a machine is disclosed. The gripping device may have a mounting structure and a tool housing attached to the mounting structure. The tool housing may have at least one tool attachment portion. The gripping device may have a first tool portion pivotally supported on the at least one tool attachment portion at a first pivot point, and an actuation member disposed between the mounting structure and the first tool portion. Further, the gripping device may have a second tool portion pivotally supported on the first tool portion. The gripping device may also have a push rod disposed between the second tool portion and the at least one tool attachment portion. The push rod may be selectively locked at the first pivot point or second pivot point on the at least one tool attachment portion.
A tooth shroud (10) for a demolition tool (100) is disclosed wherein forces produced during demolition operations may be dissipated so as to avoid excessive forces at stress points. A tooth block (10) for a demolition tool (100) comprises a first tooth shroud (10) and a second tooth shroud (10). The first and second tooth shroud (10) each comprising a body (12) having a front wall (18) and an end wall (20) wherein a cavity (13) is enclosed by the front wall (18) and the end wall (20); an impact member (14) extending longitudinally from the body (12); and a cut-out (16) disposed on the end wall (20), wherein the first tooth shroud (10) is connected to the second tooth shroud (10).
A frame for a demolition tool is disclosed. The frame may comprise: a housing having a machine end and a jaw end; a bearing assembly positioned adjacent the housing; a motor coupled to the bearing assembly, the motor being integrated in the housing.
A removable pin stub (20) for a jaw set (12) is disclosed. The removable pin stub (20) may be removably attached to the jaw set (12). The removable pin stub (20) comprises: a flange portion (26) having a first side (30) and a second side (32), the flange portion (26) having at least one through opening (34) extending from the first side (30) to the second side (32); and a stub portion (28) extending from the first side (30) of the flange portion (26).
A work tool (10) is disclosed. The work tool may have an increased jaw capacity. The work tool may comprise a jaw assembly (12) supported on the frame, the jaw assembly comprising an upper jaw (16) and a lower jaw (18), the upper and lower jaws contacting at an abutment plane (21); and a pivot axis (20) extending through the lower jaw (18) is offset from the abutment plane (21), the upper jaw being pivotally coupled to the lower jaw at the pivot axis.
A work tool (10) for a work machine with an increased jaw capacity is disclosed. The work tool may comprise: a jaw assembly (12) comprising an upper jaw (16) and a lower jaw (18), the upper jaw (16) having an inner portion (38) and an outer portion (36) wherein the inner portion (38) is connected to the outer portion (36) at a first upper jaw connection axis (40) for mutual relative movement; a first linkage (42) connecting the lower jaw (18) to the inner portion (38) at a first lower jaw connection axis (44); and a second linkage (46) connecting the lower jaw (18) to the outer portion (36).
A method of decoupling a cylinder (138) from a jaw (132) in a demolition tool (128) is disclosed. The method comprises the steps of: unlocking a first end (32) of a pin (30) from a first lug (12) wherein the pin (30) has a groove (40) adjacent the first end (32), the groove (40) being in a plane substantially transverse to the longitudinal axis (38) of the pin (30); rotating first and second lugs (12, 14) in a first direction from a first lug position to a second lug position wherein the pin (30) slides through the first and second lugs (12, 14) and the first end (32) moves from the first lug (12) to the second lug (14) to uncouple the cylinder (138) from the jaw (132); engaging a locking element (92) biasingly supported on the second lug (14) into the groove (40) to retain the pin (30) at the second lug (14); and moving the cylinder (138) from between the spaced apart first and second lugs (12, 14).
F16B 21/16 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft
31.
PIN OF A LINK ASSEMBLY FOR DECOUPLING A CYLINDER FROM A JAW IN A DEMOLITION TOOL
A pin (30) of a link assembly (10) for decoupling a cylinder (138) from a jaw (152) in demolition tool (128) is disclosed. The pin (30) comprises: a longitudinally extended body (36), the body (36) having a first end (32) and a second end (34); and a groove (40) adjacent the first end (32), the groove (40) being in a plane substantially transverse to a longitudinal axis (38).
A catch plate (74) of a link assembly (10) for decoupling a cylinder (138) from a jaw (132) in a demolition tool (128) is disclosed. The catch plate (74) comprises: a body (76) having central aperture (78); at least one slot (88) provided in the body (76), the slot (88) having an opening (90) in communication with the central aperture (78); and a locking element (92) movably supported in the slot (88), the locking element (92) being movable through the opening (90) from a stowed position to a locked position in the central aperture (78).
F16B 21/16 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft
A hydraulic cylinder cover for a hydraulic cylinder of machine tool is described. Forces generated during work operations may be dissipated without resulting in stress fractures. The hydraulic cylinder cover comprises a body having a first end and a second end, a flange positioned at the first end, and a cover eye provided on the flange for connection to a piston rod eye of the hydraulic cylinder.
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
35.
Cross-link assembly for a dangling worktool for a machine
A cross-link assembly for a dangling worktool may include a frame configured to connect to a grapple, the frame having spaced apart arms; a pin movably engaged with the spaced apart arms, the pin having an abutment portion; and a lock member movably engaged with the frame. The lock member may be configured to engage with the abutment portion and have a lock portion configured to engage with a lock element provided on the grapple.
B66C 3/00 - Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materialsGrabs
A wing shroud for a dragline lip is described. The wing shroud may prevent wear on the dragline lip and may be configured to prevent decoupling therefrom during operations. The wing shroud may comprise a first sidewall having a first abutment surface; a second sidewall having a second abutment surface wherein the second sidewall has a securing portion configured for coupling to a lock device on the dragline lip; a centre wall having a third abutment surface provided with an opening, the centre wall connecting the first sidewall and the second sidewall wherein the first, second and third abutment surfaces define a channel to receive an upright portion of the dragline lip.
A lip shroud for a dragline lip is described. The lip shroud may prevent wear on the dragline lip and may be configured to prevent decoupling therefrom during operations. The lip shroud may comprise a first sidewall having a first abutment surface provided with an opening; a second sidewall having a second abutment surface wherein the second sidewall has a securing portion configured for coupling to a lock device on the dragline lip; and a centre wall having a third abutment surface, the centre wall connecting the first sidewall and the second sidewall wherein the first, second and third abutment surfaces define a channel to receive an edge portion of the dragline lip.
A gripping device (104) for attachment to a machine (100) is provided. The gripping device (104) includes a mounting structure (116) and a tool housing (120) attached to the mounting structure (116). The tool housing (120) has a number of tool attachment portions (202). A first tool portion (204) is pivotally supported on each of the tool attachment portions (202) at a first pivot point (206). An actuation member (122) is disposed between the mounting structure (116) and the first tool portion (204) to pivot the first tool portion (204) about the first pivot point (206). A second tool portion (214) is pivotally supported on the first tool portion (204). A push rod (224) is disposed between the second tool portion (214) and the tool attachment portion (202) and is selectively locked at one of the first pivot point (206) and a second pivot point (230) on the tool attachment portion (202) to selectively restrict a pivotal movement of the second tool portion (214) with respect to the first tool portion (204).
A positioning system (400) for an implement (104) having a first moveable component (116) and a second moveable component (118) is provided. The positioning system (400) includes a first element (402) configured to be attached to the first moveable component (116). Further, the positioning system (400) includes a second element (404) configured to be attached to the second moveable component (118). The first element (402) is configured to engage with the second element (404) to secure the first and the second moveable component (116, 118) against at least one of an axial and a transverse movement during an implement exchange process.
An exchange system (126) for an implement (104) having a plurality of moveable components (116, 118) with inner openings (302, 304) and outer openings (306, 308) is provided. The exchange system (126) includes a frame (108) and a first and second arm (128, 130) having an inner end (202, 204) and an outer end (206, 208). First and second inner pins (214, 216) are provided to pivotally couple the respective arms (128, 130) to the frame (108) at the inner ends (202, 204). First and second hydraulic cylinder (122, 24) is disposed between the frame (108) and the first and the second arm (128, 130). The first and the second hydraulic cylinders (122, 124) are configured to pivot the first and the second arm (128, 130) about the first and the second inner pins (214, 216). A first and second outer pin (230, 232) is disposed at the outer ends (206, 208) of the first and the second arms (128, 130). The inner pins (214, 216) include a protruded portion (218, 220) to be received within the inner openings (302, 304), such that rotation of the inner pins (214, 216) locks the inner pins (214, 216) within the inner openings (302, 304).
B66C 3/00 - Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materialsGrabs
A jaw assembly for a demolition tool is disclosed. The jaw assembly comprises at least one first coupling portion and at least one second coupling portion disposed on a first jaw. The first coupling portion comprises an intermediate contact member and side contact members laterally extending from opposite sides of the intermediate contact member. A wear plate comprises a body element saddling the intermediate contact member, a pair of spaced apart first engagement elements extending from an end of the body, and a pair of spaced apart second engagement elements extending from an opposite end for engaging the side contact members. An active module is removably coupled to the second coupling portion and comprises a body member and a pair of braces disposed on opposite sides of the body member, wherein a brace extends over the second coupling elements. The wear plate may be replaced when worn out.
A jaw assembly for a demolition tool is disclosed. The jaw assembly may have a support portion centrally disposed on a second jaw. The support portion may have a first contact surface and an aperture disposed thereon. A work plate may be mounted on the support portion and may have a plate member in abutting contact with the support portion. The work plate may also have a tooth member and a boss extending in a direction opposite to the tooth member. The boss may be engaged to the aperture. The jaw assembly may have a pair of seating portions disposed on the second jaw, each seating portion having a slot. The jaw assembly may also have a work module mounted in each seating portion. The work module may have a base, a tooth, and a mounting element extending in a direction opposite to the tooth and engaging the seating portion.
A mounting member (202, 502) for assembling a housing (200, 500) of a grapple (104) is provided. The mounting member (202, 502) includes a first aperture (302, 602) configured to pivotally support a tine (116) and a second aperture (304, 604) configured to pivotally support a hydraulic cylinder (118). The mounting member (202, 502) further includes a first joining edge (306, 606) and a second joining edge (306, 606) configured to attach the mounting member (202, 502) to an adjacent mounting member (202, 502). The mounting member (202, 502) also includes a top surface (309, 609) extending between the first joining edge (306, 606) and the second joining edge (308, 608). The top surface (309, 609) is configured to attach the mounting member (202, 502) to a mounting ring (204, 504).
This invention relates to a pin securing assembly (10) for use in a pivot joint and comprises a pin mounting piece (12), a mounting pin (100) comprising an elongate body portion (102) which is positioned within the pin mounting piece (12) and a protruding portion (104) which protrudes from the pin mounting piece (12), a securing member (14) which defines a seat (16) which engages the protruding portion (104) of the mounting pin (100) and locking means (18) in the form of a plurality of bolts which releasably lock the securing member (14) to the pin mounting piece (12).
E02F 9/00 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
F16B 21/16 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft
A demolition apparatus and an adapter frame of the demolition apparatus are disclosed. The adapter frame may be formed with coupling seats which engage pins on a jaw set to assemble the demolition apparatus. The openings of the coupling seats face different directions for quick and simple assembly of the demolition apparatus. A rotatable locking element may be provided on the adapter frame to lock a pin on the jaw set.
A device to actuate a contamination cover on a machine bracket is disclosed. The device may include a first transition cylinder mounted on the machine bracket and connected to the contamination cover, a transition circuit connected to the first transition cylinder for transmission of hydraulic pressure to the first transition cylinder; and a transition sensor coupled to the transition circuit to control the transmission of hydraulic pressure to the first transition cylinder. The activation of the transition sensor may permit the transmission of hydraulic pressure to drive the first transition cylinder for transition of the contamination cover from a close to an open position.
A cross-link assembly (10) for a dangling worktool (56) in the form of a grapple is disclosed. The cross-link assembly may be held in vertical alignment to the grapple (56) when in a lock position to enable operational coupling of the grapple (56) to an arm of a machine. The cross-link assembly comprises a frame (12) for connection to the grapple, the frame having spaced apart arms (14) to movably support a pin (20). The pin may be may have an abutment portion (22). A lock member (30) may be movably engaged to the frame (12) and may be configured to engage with the abutment portion and may have a lock portion (34) which may be configured to engage with a lock element (32) provided on the grapple (56).
B66C 3/00 - Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materialsGrabs
F16B 21/00 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread
A jaw assembly for a demolition tool is disclosed. The jaw assembly comprises at least one first coupling portion and at least one second coupling portion disposed on a first jaw. The first coupling portion comprises an intermediate contact member and side contact members laterally extending from opposite sides of the intermediate contact member. A wear plate comprises a body element saddling the intermediate contact member; a pair of spaced apart first engagement elements extending from an end of the body and a pair of spaced apart second engagement elements extending from an opposite end for engaging the side contact members. An active module is removably coupled to the second coupling portion and comprises a body member and a pair of braces disposed on opposite sides of the body member wherein a brace extends over the second coupling elements. The wear plate may be replace when worn out.
A jaw assembly for a demolition tool is disclosed. The jaw assembly comprises a support portion centrally disposed on a second jaw. The support portion having a first contact surface and an aperture disposed thereon. A work plate mounted on the support portion and comprises a plate member in abutting contact with the support portion; at least one tooth member; and a boss extending in a direction opposite to the at least one tooth member. The boss being engaged to the aperture. A pair of seating portions disposed on the second jaw laterally on opposite sides of the support portion, each seating portion having a slot. A work module mounted in each seating portion and comprises a base; a tooth; and a mounting element extending in a direction opposite to the tooth and engaging the seating portion. The work module and work plate being replaceable when worn.
A coupling arrangement for fluid coupling a work tool to a machine comprising a plurality of coupler assemblies slideably mounted in a plurality of corresponding cavities for coupling a machine fluid circuit and a work tool fluid circuit, the coupler assembles partitioning the cavities to form chambers; and a rail circuit connecting the chambers.
A wear pack is disclosed for shielding a front end of a jaw set of a demolition tool. The wear pack may have a position portion provided on a bracket member for the alignment thereof prior to mounting. The wear pack may have a force transfer portion provided on the bracket member for the transfer of demolition forces to the front end of the jaw. The positioning portion may be contiguous with the force transfer portion.
A demolition apparatus and an adapter frame of the demolition apparatus are disclosed. The adapter frame may be formed with coupling seats which engage pins on a jaw set to assemble the demolition apparatus. The openings of the coupling seats face different directions for quick and simple assembly of the demolition apparatus. A rotatable locking element may be provided on the adapter frame to lock a pin on the jaw set.
A method of operating a dual acting hydraulic cylinder comprising the steps of returning a hydraulic fluid from a rod-side chamber to a piston-side chamber of the cylinder during a start phase of cylinder extraction with a speed component and increasing pressure of the fluid during end phase of cylinder extraction with a booster component and permitting the fluid to flow from the rod-side chamber to a reservoir. A hydraulic device for operating a dual acting hydraulic cylinder comprising a speed component arranged to return a hydraulic fluid from a rod-side chamber to a piston-side chamber of the cylinder at a start phase of cylinder extraction and a booster component arranged to increase the pressure of the fluid at an end phase of cylinder extraction.
B23D 31/00 - Shearing machines or shearing devices covered by none or more than one of the groups Combinations of shearing machines
F15B 11/02 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member
F15B 11/032 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the actuating force by means of fluid-pressure converters
F15B 21/08 - Servomotor systems incorporating electrically- operated control means
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
G01V 3/30 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for well-logging operating with electromagnetic waves
55.
DEVICE TO ACTUATE A FLUIDCONNECTOR CONTAMINATION COVER
A device (10) to actuate a contamination cover (18) on a machine bracket (112) is disclosed. The device (10) includes a first transition cylinder (14) mounted on the machine bracket (112) and connected to the contamination cover (18), a transition circuit (16) connected to the first transition cylinder (14) for transmission of hydraulic pressure to the first transition cylinder (14); and a transition sensor (12) coupled to the transition circuit (16) to control the transmission of hydraulic pressure to the first transition cylinder (14). The activation of the transition sensor (12) permits the transmission of hydraulic pressure to drive the first transition cylinder (14) for transition of the contamination cover (18) from a close to an open position.
A device (10) to actuate a contamination cover (18) on a machine bracket (112), the device (10) comprising a master cylinder (12) positioned on the machine bracket (112); a first slave cylinder (14) positioned on the machine bracket (112) and connected to the contamination cover (18); and a closed master-slave circuit (16) connecting the master cylinder (12) to the slave cylinder (14) wherein the actuation of the master cylinder (12) drives the slave cylinder (14) for the transition of the contamination cover from a close to an open position.
Van Amelsfoort, Eduard Cornelis Maria Henricus Christianus
Jongebloed, Holger
Abstract
A fluid coupler (10) for aligned engagement of fluid connectors (40,76), comprising a support member (12); a floating first connector member (14) housed in the support member (12) and engageable to a second connector member (74); a piston member (16) axial!y slidable in the support member (12) and actuatable to push the first connector member (14) at pressurisation of a fluid circuit.
F16L 17/06 - Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges
F16L 39/00 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
A coupling arrangement (10) for fluid coupling a work tool (3) to a machine (1) comprising a plurality of coupler assemblies (24) slideably mounted in a plurality of corresponding cavities (16) for coupling a machine fluid circuit and a work tool fluid circuit, the coupler assemblies (24) partitioning the cavities (16) to form chambers (26); and a rail circuit (13) connecting the chambers (26).
A coupling arrangement (10) for fluid coupling a work tool (3) to a machine (1) comprising at least one coupler assembly (24) slideably mounted for coupling a machine fluid circuit and a work tool fluid circuit at a connect position; an actuation circuit arranged to actuate the at least one coupler assembly (24) from a disconnect position to the connect position; and a sensor (30) to detect presence of the work tool for activation of the actuation circuit.
A coupling arrangement (10) for fluid coupling a work tool (3) to a machine (1) comprising at least one coupler assembly (24) slideably mounted for coupling a machine fluid circuit and a worktool fluid circuit; at least one actuator (28) for retracting the at least one coupler assembly (24) from a connect position to a disconnect position; and a sensor (32) to detect the position of the at least one actuator (28) for actuation of a locking device (34).
A coupling arrangement (10) for fluid coupling a worktool (3) to a machine (1) comprising at least one coupler assembly (24) slideably mounted in a cavity (16) for coupling a machine fluid circuit and a work tool fluid circuit, the coupler assembly (24) partitioning the cavity (16) to form a chamber (26); a diversion path (52, 54) connecting the machine fluid circuit to the chamber (26); and a check valve (56) positioned in the diversion path (52, 54) for flow of fluid from the machine fluid circuit to the chamber (26) to generate a force on the coupler assembly (24) for maintaining the fluid coupling.
An extendable pressurized fluid coupler is disclosed. The extendable pressurized fluid coupler has a guiding portion having a central fluid channel. The extendable pressurized fluid coupler further has a piston having a central fluid channel, the guiding portion and the piston having a common central axis. The extendable pressurized fluid coupler also has a drive circuit for driving the piston. The piston is extendable with respect to the guiding portion. The guiding portion is arranged for guiding the piston along the central axis. The piston is arranged for connecting the pressurized fluid coupler to a corresponding coupler having a second fluid channel, so that a fluid passage for a main pressurized fluid circuit is established.
F16L 37/52 - Universal joints, i.e. with a mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
F16L 37/62 - Couplings of the quick-acting type pneumatically or hydraulically actuated
F16L 37/32 - Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
A coupling device (10) for coupling connectors (20, 24) comprising a first support member (12, 14) for supporting a first connector, a second support member (14, 12) for supporting a second corresponding connector (24, 20), wherein the first and the second support members are arranged for axial coupling of said connectors and at least one of the first and the second support member is provided with at least three floating arrangements (16) for radial displacement thereof. A method of coupling connectors comprising providing at least one of a first and a second support member with at least three floating arrangements for radial displacement thereof, engaging the first support member supporting a first connector to the second support member supporting a second corresponding connector for axial coupling of said connectors and coupling the connectors.
F16L 37/56 - Couplings of the quick-acting type for double-walled or multi-channel pipes
H01R 13/631 - Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure for engagement only
A method of operating a dual acting hydraulic cylinder (30) comprising the steps of returning a hydraulic fluid from a rod-side chamber (24) to a piston-side chamber (22) of the cylinder during a start phase of cylinder extraction with a speed component (14) and increasing pressure of the fluid during end phase of cylinder extraction with a booster component (12) and permitting the fluid to flow from the rod-side chamber to a reservoir. A hydraulic device for operating a dual acting hydraulic cylinder comprising a speed component arranged to return a hydraulic fluid from a rod-side chamber to a piston-side chamber of the cylinder at a start phase of cylinder extraction and a booster component arranged to increase the pressure of the fluid at an end phase of cylinder extraction.
F15B 11/02 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member
F15B 11/032 - Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member for controlling the actuating force by means of fluid-pressure converters
B30B 15/16 - Control arrangements for fluid-driven presses
A gripping member for a work tool is provided such that in one embodiment, the gripping (or cutting) member includes a top and bottom surface, and a first gripping edge extending between the top and bottom surfaces, and a overbite block located proximate to the first gripping edge.
A gripping member (101, 201, 301) for a work tool is provided such that in one embodiment, the gripping (or cutting) member includes a top and bottom surface (103), and a first gripping edge (104a) extending between the top and bottom surfaces (103), and a overbite block (105, 205a, 205b, 305, 405) located proximate to the first gripping edge (104a).
E02F 3/96 - DredgersSoil-shifting machines mechanically-driven with arrangements for alternate use of different digging elements
E02F 5/10 - Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditchesDredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for making or assembling conduits or for laying conduits or cables
B66C 1/42 - Gripping members engaging only the external or internal surface of the articles
In one aspect of a coupling device for securing a primary mover to a work tool may include first and second coupling bodies interconnectable to form a first connecting interface and a second connecting interface spaced apart from the first connecting interface. The coupling device may also include a rotary wedge member attached to the first coupling body and rotatable to progressively force together the first and second coupling bodies.
B25G 3/18 - Locking or securing devices comprising catches or pawls
F16B 21/00 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread
F16D 1/00 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements
In one aspect of the present invention, a coupling device (10) for securing a primary mover (114) to a work tool (190) may include first (110) and second (112) coupling bodies interconnectable to form a first connecting interface and a second connecting interface spaced apart from the first connecting interface. The coupling device may also include a rotary wedge member (120a) attached to the first coupling body and rotatable to progressively force together the first and second coupling bodies.
A fluid coupler arrangement (18) for a first pressurized fluid circuit is disclosed. The fluid coupler arrangement has an extendable fluid coupler (19). The fluid coupler arrangement also has a receiving fluid coupler (20), to be coupled to the extendable coupler, so that in a coupled condition of the couplers the first pressurized fluid circuit extends through the couplers. The fluid coupler arrangement also has fluid channels that extend through the couplers. The extendable coupler has a static portion (22) and a piston (21) that is extendable with respect to the static portion. The extendable coupler has a compensatory surface (30) being fixedly connected to the static portion. The compensatory surface has a deviation with respect to the wall of the fluid channel of the extendable coupler, to at least partially retain the piston in an extended position when fluid flows through the couplers.
A coupling arrangement (4) for coupling a work tool (3) to a machine (1) is disclosed. The coupling arrangement has a locking arrangement (13) for locking the work tool to the machine. The coupling arrangement further has at least two fluid couplers (21,22) arranged to be connected to each other for establishing a fluid passage between a main pressurized fluid circuit channel of a work tool and a main pressurized fluid circuit channel of a machine. The coupling arrangement further has a driving arrangement for driving at least one of the fluid couplers for connection to the other fluid coupler, the driving arrangement being separate from the main pressurized fluid circuit.
An extendable pressurized fluid coupler (2) is disclosed. The extendable pressurized fluid coupler has a guiding portion (4) having a central fluid channel (12). The extendable pressurized fluid coupler further has a piston (5) having a central fluid channel (12), the guiding portion and the piston having a common central axis. The extendable pressurized fluid coupler also has a drive circuit (7) for driving the piston. The piston is extendable with respect to the guiding portion. The guiding portion is arranged for guiding the piston along the central axis (6). The piston is arranged for connecting the pressurized fluid coupler to a corresponding coupler (3) having a second fluid channel (11), so that a fluid passage for a main pressurized fluid circuit is established.
The disclosure relates to a work tool (1) for a machine (100) and, more particularly, to such a work tool (1) having a an actuatable tool portion (3). According to one exemplary aspect of the disclosure there is provided a work tool (1) for attachment to a machine (100), comprising a supporting tool portion (2). The actuatable tool portion (3) is pivotally connected to the supporting tool portion (2) via a hinge construction (4). The hinge construction (4) includes a hinge drive (8) having an outgoing, rotatable shaft (9). The rotatable shaft (9) has a single outgoing end (10) that is configured to carry the actuatable tool portion (3). By providing the work tool (1) with a hinge construction (4) that includes a hinge drive (8) with a rotatable shaft (9) that carries the actuatable tool portion (3) on a single outgoing end (10) a directly driven hinge construction (4) is obtained that both compact and reliable. The disclosure also relates to a hinge drive (8) and to a method of operating a work tool (1) for a machine (100).
B66C 3/00 - Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materialsGrabs
E02F 3/24 - Digging wheelsDigging elements of wheelsDrives for wheels
E02F 3/96 - DredgersSoil-shifting machines mechanically-driven with arrangements for alternate use of different digging elements
E02F 9/00 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
F15B 15/08 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit
The invention relates to a work tool (1) comprising a releasable tooth (50,60,80,90) which is releasably fixed to a tooth support member (4,61,91), the support member comprising a base surface (43), two spaced-apart side surfaces (16,17), a front surface (18), a rear surface (19) and a top surface (23) extending along a length (L1) between the front surface (18) and the rear surface (19). The tooth comprises two spaced-apart side walls (11,12) situated alongside the side surfaces, a front transverse part (13) and a top wall (8) extending along a length (L3) from the front transverse parts, the top wall comprising an opening (15) overlying a part of the top surface. The opening extends from a front transverse edge (15') along a length (L2) of not more than 50%, of the length (L3) of the top wall.
A replaceable shearing tip (30) is provided for using with a shear (10), the shear having a lower jaw (12) and an upper jaw (14) pivotally connected to the lower jaw, the upper jaw having a left portion (16), a right portion (18), and a front portion (20) between the left portion and the right portion. The replaceable shearing tip has a left part (40) having two edges (42, 44), a mounting section (46) extending between the two edges for mounting the left part on the upper jaw, and a front section (48) connected to the mounting section for covering the front portion of the upper jaw. The replaceable shearing tip further has a right part (50), wherein the left part and the right part are substantially identical.
