The present invention relates to a shock absorption device. The shock absorption device according to the present invention is configured to absorb a shock, which results from collision with a vehicle, through friction. According to the present invention, multiple support frames (100) are movably installed on the ground at a predetermined interval, and friction panels (200) are connected to both ends of the support frames (100), respectively. The front end of the friction panel (200) is fixed and connected to one support frame (100), and the same is connected to a support frame (100) on the rear end to be able to move relatively. At least one of fasteners (232), which penetrate a guide slot (214) of a friction panel (200) positioned on the outside of an overlapping portion of the friction panels (200), is fastened to a support frame (100) through a fastening through-hole (218) of a friction panel (200) positioned on the inside. The fastener (232) is fastened to a support frame (100) through a spacer bar (230) positioned on a trough (212) of the friction panel (200), and the spacer bar (230) has multiple through-holes (231) formed therein, the fastener (232) penetrating the through-holes (231). The present invention, as described above, is advantageous in that a shock absorption action is performed by friction between the friction panels (200) and by friction between the friction panels (200) and the spacer bar (230) such that a comparatively large friction area can be secured, thereby increasing the shock absorption capability.
E01F 15/14 - Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollardsArrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
The present invention relates to a guardrail end shock absorbing device. The device includes a plurality of support columns (10) each consisting of a lower part (11) mounted on the ground and an upper part (12) connected to the top of the lower part (11) so as to move relatively thereto. The upper part (12) is fastened to both ends of the guardrail (30). The upper part (12) is fastened through a rail bracket (20) to guardrail (30) by means of a third fastener (38) and a spacer bar (39). A first and a second connection flange (14, 16) are provided between the lower part (11) and the upper part (12), wherein the connection flange (14, 16) is provided with a first and a second fastening hole (15, 17) open to both side ends of the guardrail (30), the open part of the first and the second fastening hole (15, 17) being provided with a first and a second guide slope (15', 17') respectively. The connection flanges (14, 16) are fastened by a first fastener (19) penetrating simultaneously the open fastening holes (15, 17). The first connection flange (14) is provided with a guide part to guide the moving upper part (12). The present invention enables the lower part (11) and the upper part (12) to separate in a head-on collision so as to make the frictional force between the guardrail (30) and the spacer bar (39) dissipate in the form of thermal energy, thus absorbing shock.
E01F 15/14 - Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollardsArrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
The present invention relates to a guard rail for a vehicle, and more particularly, to a guardrail for a vehicle, in which the strength of the rail is reinforced, the upper rail and the lower rail can be firmly maintained without forming a large gap therebetween upon occurrence of vehicle collision, the visibility of a reflection sheet is excellent, and pillars slant when an external force, i.e. vehicle crash, is applied and are restored to the original state of the pillars by the elastic force. The guard rail for a vehicle according to the present invention, comprises: a plurality of pillars arranged at predetermined spaces; a pair of upper rails arranged in the horizontal direction at the respective sides of the pillars; a pair of lower rails arranged in the horizontal direction at the respective sides of the pillars and below the upper rails so that the lower rails are spaced apart from the upper rails by a predetermined space; shock absorbing members arranged between the pillars and the upper rails and between the pillars and the lower rails so as to form a predetermined gap; and a rail reinforcing plate which is fixed at the pair of upper rails and the pair of lower rails and which has at least one through-hole.
E01F 15/00 - Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollardsArrangements for reducing damage to roadside structures due to vehicular impact
E01F 15/02 - Continuous barriers extending along roads or between traffic lanes
The present invention relates to a shock-absorbing apparatus, comprising: a plurality of support frames having reinforcing members arranged between a first horizontal beam and a second horizontal beam; a rear support having a vertical beam; a guard rail connection device including guard rails arranged at both sides of each of the support frames, and fixing members for coupling the guard rails to the support frames such that the guard rails are movable; and a shock-absorbing tank including a front tank installed at the front surface of each of the support frames and a plurality of cushion tanks installed among the support frames. The support frames and the rear support are connected by a wire rope so as to guide the linear motion of each of the support frames. The thus-configured shock-absorbing apparatus has a wire clip for connecting the wire rope to the support frames, to thereby prevent the support frames from becoming separated or disassembled into individual frames.
E01F 15/14 - Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollardsArrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
Disclosed is a movable rumble strip device comprising a plurality of main bodies aligned in the length direction; a plurality of joints which are respectively provided between each of the plurality of main bodies and are of shorter length than the main bodies; and coupling rods which extend in the width direction and couple the boundaries of the main bodies and joints in a rotatable fashion, wherein the main bodies and the joints are folded around central axes constituted by the coupling rods such that the joints are disposed alternately to each other and constitute an upper surface and a lower surface and the main bodies are disposed on the inside and constitute side surfaces.
Disclosed is a separable lane-control bollard assembly in which a pole is doubly coupled securely to a support. The lane-control bollard assembly comprises: a pole of which the bottom end is open; a supporting base which has an insertion part for fitting into the opening of the pole and is formed with a ring-shaped insertion recess around the side surface of the insertion part; and a ring-shaped coupling part which presses the pole towards the insertion part such that the pole is forcibly pressed into the insertion recess when the insertion part has been fitted into the opening of the pole.
E01F 9/011 - Upright bodies, e.g. marker posts or bollards; Supports for road signs (posts or poles in general E04H 12/00; means for attaching signs to a supporting structure in general G09F 7/18)
Disclosed is a tank apparatus for an impact absorbing apparatus, which is easy to assemble it, and can improve an impact absorbing efficiency. The tank apparatus for an impact absorbing apparatus can be one-piece molded or rotationally molded by employing specific polyethylene based material thereby not being broken easily nor torn easily. The tank apparatus for an impact absorbing apparatus includes a head tank installed on the front side of an impact absorbing apparatus, and support tanks connected in a multistage to the rear end of the head tank. The head tank is formed with a apace therein to store first impact absorbers in a flowage state in the space so that impact energy occurring when a vehicle collides with the front portion of the head tank may be absorbed. The head tank is formed at an upper portion of the rear side thereof with a hole for putting the first impact absorber therein. The support tank is formed therein with a space to store second impact absorbers in a flowage state in the space so that impact energy occurring when a vehicle collides with the front portion of the head tank may be absorbed. The support tank is formed at an upper portion of the front side thereof with a hole for putting the second impact absorber therein.
E01F 15/00 - Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollardsArrangements for reducing damage to roadside structures due to vehicular impact
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