The invention relates to a device for generating oscillations for a construction machine, comprising a housing, a piston which is movable back and forth in a working chamber in the housing between a first return point and a second return point, a pressurized fluid supply through which in each case pressurized fluid can be fed into and discharged from the working chamber via at least one actuatable control valve in the region of the first return point and the second return point, wherein the piston can be induced into a reciprocating motion in order to generate the oscillations, and a control unit which is configured to actuate the at least one control valve and by means of which the movement of the piston in the working chamber is controllable and variable. According to the invention, it is provided that the control unit is configured to control the piston in a first operating mode for generating oscillations and in a second operating mode for generating impact pulses, wherein a strike surface is formed on at least one end side of the working chamber, onto which surface the piston strikes when it reaches at least one return point in order to generate an impact pulse.
The invention relates to a clamping head assembly for clamping a drill pipe element, comprising a clamping head base, at least one clamping jaws base body which is radially adjustable at the clamping head base between a clamping position and a releasing position relative to the drill pipe element, and at least one adapter element at the clamping jaws base body, wherein the adapter element is adapted to a shape of the drill pipe element to be clamped and is configured to abut and clamp the drill pipe element in the clamping position. According to the invention, it is provided that the adapter element is releasably arranged on the clamping jaws base body and can be locked by means of an actuatable locking device, and that the locking device comprises at least one latch element adjustable between a locking position, in which the adapter element is locked and secured to the clamping jaws base body, and a release position, in which the adapter element is released and removable from the clamping jaws base body.
The invention relates to a clamping head assembly for clamping a drill pipe element, comprising a clamping head base, at least one clamping jaws base body which is radially adjustable at the clamping head base between a clamping position and a releasing position relative to the drill pipe element, and at least one adapter element at the clamping jaws base body, wherein the adapter element is adapted to a shape of the drill pipe element to be clamped and is configured to abut and clamp the drill pipe element in the clamping position. According to the invention, it is provided that the adapter element is releasably arranged on the clamping jaws base body and can be locked by means of an actuatable locking device, and that the locking device comprises at least one latch element adjustable between a locking position, in which the adapter element is locked and secured to the clamping jaws base body, and a release position, in which the adapter element is released and removable from the clamping jaws base body.
The invention relates to an impact piston device for an impact drill drive, comprising an impact piston, which is movably mounted in a piston housing so as to be reversible between a front striking position and a rear retracted position, the impact piston having at least one front pressurizing surface and at least one rear pressurizing surface, at least one front pressure chamber and a rear pressure chamber being formed together with the piston housing, a hydraulic fluid feed, a hydraulic fluid drain, a first control device, by which at least the rear pressure chamber for effecting the reversing movement of the impact piston is connected alternately to the hydraulic fluid feed and the hydraulic fluid drain, and a second control device, with which at least one stroke path of the impact piston within the piston housing can be adjusted, the first control device having an actuatable first control valve and the second control device having an actuatable second control valve. According to the invention, it is provided that the first control valve and second control valve are arranged in a common valve housing.
E21B 1/26 - Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by liquid pressure
The invention relates to an impact piston device for an impact drill drive, comprising an impact piston, which is movably mounted in a piston housing so as to be reversible between a front striking position and a rear retracted position, the impact piston having at least one front pressurizing surface and at least one rear pressurizing surface, at least one front pressure chamber and a rear pressure chamber being formed together with the piston housing, a hydraulic fluid feed, a hydraulic fluid drain, a first control device, by which at least the rear pressure chamber for effecting the reversing movement of the impact piston is connected alternately to the hydraulic fluid feed and the hydraulic fluid drain, and a second control device, with which at least one stroke path of the impact piston within the piston housing can be adjusted, the first control device having an actuatable first control valve and the second control device having an actuatable second control valve. According to the invention, it is provided that the first control valve and second control valve are arranged in a common valve housing.
E21B 1/26 - Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by liquid pressure
The invention relates to a rotary drive arrangement for a drill rod having an outer pipe and an inner rod running at least in sections inside the outer pipe, in particular for double-head and/or overburden drilling, with a first gearbox for driving the inner rod in a rotating manner and a second gearbox for driving the outer pipe in a rotating manner, wherein the first gearbox and the second gearbox are independent of each other. According to the invention provision is made in that the first gearbox and the second gearbox are supported in a common gearbox housing and are surrounded by the same.
The invention relates to a rotary drive arrangement for a drill rod having an outer pipe and an inner rod running at least in sections inside the outer pipe, in particular for double-head and/or overburden drilling, with a first gearbox for driving the inner rod in a rotating manner and a second gearbox for driving the outer pipe in a rotating manner, wherein the first gearbox and the second gearbox are independent of each other. According to the invention provision is made in that the first gearbox and the second gearbox are supported in a common gearbox housing and are surrounded by the same.
The invention relates to a drill drive device (10) for an earth drilling apparatus with a spindle arrangement which has an inner spindle unit (20) and an outer spindle unit (40) that is supported in an axially displaceable manner on the inner spindle unit (20) and floating between two spring means (50, 60). According to the invention provision is made in that a first front spring means (50) which is arranged on a drilling tool side comprises a combination of at least a compression coil spring and a first disk spring arrangement (54) and in that a second rear spring means (60) which faces away from the drilling tool side has a second disk spring arrangement (64).
The invention relates to a drill drive device (10) for an earth drilling apparatus with a spindle arrangement which has an inner spindle unit (20) and an outer spindle unit (40) that is supported in an axially displaceable manner on the inner spindle unit (20) and floating between two spring means (50, 60). According to the invention provision is made in that a first front spring means (50) which is arranged on a drilling tool side comprises a combination of at least a compression coil spring and a first disk spring arrangement (54) and in that a second rear spring means (60) which faces away from the drilling tool side has a second disk spring arrangement (64).
The invention relates to a device and a method for generating percussive pulses or vibrations for a construction machine, with a housing, a piston which is reversibly reciprocable in a working space in the housing between a first reversal point and a second reversal point, a pressure fluid supply, through which pressure fluid can in each case be led into and out of the working space in the region of the first reversal point and the second reversal point, wherein the piston can be set into the reversible movement in order to generate the percussive pulses or vibrations, at least one controllable valve, through which the pressure fluid can be led into and/or out of the working space, and a control unit which is connected to the at least one controllable valve, wherein by the control unit the movement of the piston in the working space can be controlled and changed. According to the invention provision is made in that the control unit is designed to move the piston at a frequency that corresponds to a resonance frequency of an overall arrangement comprising the piston and the pressure fluid.
B06B 1/18 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
F15B 13/02 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
11.
DEVICE FOR GENERATING PERCUSSIVE PULSES OR VIBRATIONS FOR A CONSTRUCTION MACHINE
The invention relates to a device and a method for generating percussive pulses or vibrations for a construction machine, with a housing, a piston which is reversibly reciprocable in a working space in the housing between a first reversal point and a second reversal point, a pressure fluid supply, through which pressure fluid can in each case be led into and out of the working space in the region of the first reversal point and the second reversal point, wherein the piston can be set into the reversible movement in order to generate the percussive pulses or vibrations, at least one controllable valve, through which the pressure fluid can be led into and/or out of the working space, and a control unit which is connected to the at least one controllable valve, wherein by the control unit the movement of the piston in the working space can be controlled and changed. According to the invention provision is made in that the control unit is designed to rnove the piston at a frequency that corresponds to a resonance frequency of an overall arrangement comprising the piston and the pressure fluid.
B06B 1/12 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of mechanical energy operating with systems involving reciprocating masses
A device for earth or rock drilling has a mast, a drill drive with a shaft for rotatably driving a drill rod, a drill drive carriage, on which the drill drive is arranged, movably supported along the mast, and an oscillation generating drive disposed behind the drill drive in a drilling direction connected to the drill rod for transmitting an oscillation. A rear connecting end of the shaft or the drill rod projects rearwards from the drill drive. A rotary coupling with a first coupling piece is provided on the connecting end in an axially fixed and torque-proof manner, and a second coupling piece is axially fixed and rotatable relative to the first coupling piece. The oscillation drive has a clamping means for releasably clamping the second coupling piece, such that in the clamped state an axially fixed connection is formed between the oscillation drive and the second coupling piece.
The invention relates to a drilling device for earth or rock drilling having a mast, a drill drive with a drill drive shaft for driving a drill rod in a rotating manner, a drill drive carriage, which is supported in a movable manner along the mast and on which the drill drive is arranged, and an oscillation drive, which is designed for generating an oscillation, arranged behind the drill drive in a drilling direction 'and connected to the drill rod for transmitting an oscillation, wherein a rear connecting end of the drill drive shaft of the drill drive or the drill rod projects rearwards from the drill drive. According to the invention provision is made in that on the connecting end a rotary coupling with a first coupling piece, which is connected in an axially fixed and torque-proof manner to the connecting end of the drill drive shaft, and a second coupling piece, which is axially fixed and rotatable relative to the first coupling piece, is provided. Furthermore, provision is made in that the oscillation drive has a clamping means which is designed for releasably clamping the second coupling piece, wherein in the clamped state an axially fixed connection is formed between the oscillation drive and the second coupling piece.
The invention relates to a double head drilling device for a drill rod having an outer pipe and an inner rod running at least in sections inside the outer pipe, with a first drive unit for driving the inner rod in a rotating manner and a second drive unit for driving the outer pipe in a rotating manner. According to the invention provision is made in that for the releasable clamping of the inner rod a first clamping head and a second clamping head are provided and in that the two clamping heads are supported in an axially displaceable manner with respect to each other. Furthermore, the invention also comprises a method for producing a bore with this double head drilling device.
The invention relates to a double head drilling device for a drill rod having an outer pipe and an inner rod running at least in sections inside the outer pipe, with a first drive unit for driving the inner rod in a rotating manner and a second drive unit for driving the outer pipe in a rotating manner. According to the invention provision is made in that for the releasable clamping of the inner rod a first clamping head and a second clamping head are provided and in that the two clamping heads are supported in an axially displaceable manner with respect to each other. Furthermore, the invention also comprises a method for producing a bore with this double head drilling device.
A device and a method for generating percussive pulses or vibrations for a construction machine, in which a piston is reversibly reciprocated in a working space in a housing between a first reversal point and a second reversal point, wherein, for the purpose of generating the percussive pulses or vibrations, the piston is set into a reversible movement by a pressure fluid and the pressure fluid is led into and out of the working space in the region of the first reversal point and the second reversal point. The position of the piston is detected by way of a sensor, in that depending on the detected position of the piston a control unit controls at least one controllable valve, through which pressure fluid is led into and/or out of the working space, wherein by the control unit the movement of the piston is controlled.
E21B 1/04 - Devices for reversing the movement of the rod or cable at the surface
B06B 1/18 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
E02D 7/10 - Power-driven drivers with pressure-operated hammer
The invention relates to a device and a method for generating percussive pulses or vibrations for a construction machine, in which a piston is reversibly reciprocated in a working space in a housing between a first reversal point and a second reversal point, wherein, for the purpose of generating the percussive pulses or vibrations, the piston is set into a reversible movement by means of a pressure fluid and the said pressure fluid is led into and out of the working space in the region of the first reversal point and the second reversal point. According to the invention provision is made in that the position of the piston is detected by way of a measuring means, in that depending on the detected position of the piston a control unit controls at least one controllable valve, through which pressure fluid is led into and/or out of the working space, wherein by the control unit the movement of the piston is controlled.
B06B 1/18 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
The invention relates to a vibration exciter, in particular for a construction machine, having at least one rotatably supported unbalanced unit with at least one unbalanced element, a rotary drive, a gear arrangement with at least one gear wheel, wherein a rotation generated by the rotary drive can be transmitted by the gear arrangement to the at least one unbalanced unit, and a housing, in which the gear arrangement is accommodated. In accordance with the invention an energy-saving and low-maintenance arrangement is achieved in that by the gear arrangement an output shaft can be driven that extends out of the housing and in that the at least one unbalanced element is fixed outside of the housing on the output shaft.
B06B 1/16 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
19.
VIBRATION EXCITER, IN PARTICULAR FOR A CONSTRUCTION MACHINE
The invention relates to a vibration exciter, in particular for a construction machine, having at least one rotatably supported unbalanced unit with at least one unbalanced element, a rotary drive, a gear arrangement with at least one gear wheel, wherein a rotation generated by the rotary drive can be transmitted by means of the gear arrangement to the at least one unbalanced unit, and a housing, in which the gear arrangement is accommodated. In accordance with the invention by means of the gear arrangement, an output shaft can be driven that extends out of the housing and in that the at least one unbalanced element is fixed outside of the housing on the output shaft.
B06B 1/16 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Construction machines; drives, in particular hydraulic
rotary drives for drilling equipment for drilling earth and
rock; hydraulic hammers; drilling apparatus, in particular
for special civil engineering, anchor drilling, micropile
drilling, directional drilling, capping drilling,
exploratory drilling, well boring, thermal drilling, inner
hole boring, airlift drilling, for high-pressure injection
and soil nailing; double-headed drilling equipment;
crushers. Maintenance and repair of construction machines, in
particular of drilling equipment; building project
management services, namely conducting of building projects,
in particular specialist civil engineering. Construction drafting and development of construction
machines, in particular of drilling equipment.
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Construction machines, namely, drilling machines for ground and rock drilling, foundation work machines, construction machines for mixing cut soil with binding agents or sealing suspensions, construction machines for making foundation elements, construction machines for jet grouting, underground wall cutting machines, and foundation work machines for use in civil engineering and construction; drives, in particular hydraulic rotary drives for drilling equipment for drilling earth and rock; hydraulic hammers; drilling apparatus, in particular for special civil engineering, anchor drilling, micropile drilling, directional drilling, capping drilling, exploratory drilling, well boring, thermal drilling, inner hole boring, airlift drilling, for high-pressure injection and soil nailing; double-headed drilling machines; drifters for drilling apparatus Maintenance and repair of construction machines, in particular of drilling equipment; construction project management services Construction drafting and development of construction machines, in particular of drilling equipment
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
17 - Rubber and plastic; packing and insulating materials
19 - Non-metallic building materials
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Drives, in particular hydraulic rotary drives for drilling equipment for drilling earth and rock; Hydraulic hammers; Drilling apparatus, namely drilling rigs and drilling machines and parts and accessories therefor, in particular for special civil engineering, anchor drilling, micropile drilling, directional drilling, capping drilling, exploratory drilling, well boring, thermal drilling, inner hole boring, airlift drilling, for high-pressure injection and soil nailing; Double-headed Drilling equipment, namely double-headed drilling drives, hydraulic drifters, vibration head, rotary heads, coring heads, casing tubes, boring rods, pipe and rod couplings, drilling tools, shank adaptors, mounting plates, flushing heads, preventers, ejection bells, adapter rods, casing adapters, inner rod adapters, and floating spindles and parts and accessories therefor; Rock crushers. (1) Maintenance and repair of construction machines, in particular of drilling equipment; Building promoter services, Namely conducting of building projects, In particular specialist civil engineering. Construction drafting and development of construction machines, in particular of drilling equipment.
The invention provides a drive device for driving a drill rod, which has an outer rod and an inner rod. The device comprises a first rotary drive unit, with which the outer rod can be driven in a rotating manner via an outer drive shaft, and a second rotary drive unit, with which the inner rod can be driven in a rotating manner independently of the outer rod via an inner drive shaft. A vibration unit for generating a vibration is also included which has a vibration element that can be driven in a vibrating manner. For transmission of the vibration to the outer drive shaft, the vibration element is connected via a first transmission unit to the outer drive shaft and for transmission of the vibration to the inner drive shaft the vibration element is connected via a second transmission unit to the inner drive shaft.
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Construction machines; Drives, in particular hydraulic rotary drives for drilling equipment for drilling earth and rock; Hydraulic hammers; Drilling apparatus, in particular for special civil engineering, anchor drilling, micropile drilling, directional drilling, capping drilling, exploratory drilling, well boring, thermal drilling, inner hole boring, airlift drilling, for high-pressure injection and soil nailing; Double-headed drilling equipment; Crushers. Maintenance and repair of construction machines, in particular of drilling equipment; Building promoter services, Namely conducting of building projects, In particular specialist civil engineering. Construction drafting and development of construction machines, in particular of drilling equipment.
The invention relates to a rotary drive assembly for a drill rod having an outer tube and an inner rod extending at least in sections inside the outer tube, comprising a first gear unit having at least a first drive unit for driving the inner rod in a rotating manner and a second gear unit, which is offset to the said first gear unit in the longitudinal direction of the drill rod and has at least a second drive unit for driving the outer tube in a rotating manner. In accordance with the invention provision is made for the second drive unit to be spaced from the second gear unit and for the second drive unit to be arranged adjacent to the first drive unit on the first gear unit.
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Construction machines; drives, in particular hydraulic rotary drives for drilling equipment for drilling earth and rock; hydraulic hammers; drilling apparatus, in particular for special civil engineering, anchor drilling, micropile drilling, directional drilling, capping drilling, exploratory drilling, well boring, thermal drilling, inner hole boring, airlift drilling, for high-pressure injection and soil nailing; double-headed drilling equipment; crushers. Maintenance and repair of construction machines, in particular of drilling equipment; construction management, namely conducting building projects, in particular in special civil engineering. Construction drafting and development of construction machines, in particular of drilling equipment.
