CN209482120U - It is a kind of can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance - Google Patents

It is a kind of can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance Download PDF

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Publication number
CN209482120U
CN209482120U CN201920054581.5U CN201920054581U CN209482120U CN 209482120 U CN209482120 U CN 209482120U CN 201920054581 U CN201920054581 U CN 201920054581U CN 209482120 U CN209482120 U CN 209482120U
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China
Prior art keywords
bridge
collision
blocking portion
board
overhanging board
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Expired - Fee Related
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CN201920054581.5U
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Chinese (zh)
Inventor
王博
向德龙
李枭
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Changan University
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Changan University
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Abstract

The utility model discloses it is a kind of can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, including bridge concrete pave-load layer and overhanging board, bridge concrete pave-load layer be provided with interlayer, for storing overhanging board;Two sliding layers are set in bridge concrete pave-load layer, and overhanging board is arranged between two sliding layers, enables overhanging board free to slide in bridge concrete pave-load layer;In the outboard end of bridge concrete pave-load layer, anticreep blocking portion is set, and blocking portion is set in the tail end of overhanging board, anticreep blocking portion can form the blocking portion of overhanging board and stop in this way, and overhanging board is prevented to be detached from bridge concrete pave-load layer during being displaced outwardly;Buffer unit is set in the inside of anticreep blocking portion, when Vehicular impact guardrail, so that the blocking portion impact attenuation device of overhanging board, under the action of buffer unit, it is discharged so that powerful impact force is alleviated, to play buffer function to vehicle, ensure that the safety of vehicle.

Description

It is a kind of can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance
Technical field
The utility model relates to traffic safety facilities fields, and in particular to it is a kind of can buffering collision of closed the anti-fall vehicle of bridge-collision-avoidance Device.
Background technique
With the rapid development of countries in the world traffic infrastructure, the infrastructure such as grade separation, overpass, bridge spanning the sea and its His the high road of bridge accounting is more and more, while the vehicle of all kinds of reasons accident quantity that falls down from the bridge also is climbed to a higher point year by year, due to such Accident death rate is high, therefore the problem of have become social extensive concern, such as " 1028 Wanzhou prefecture of Chongqing area public transport fall over into the river in China The vehicles such as accident ", " Hubei Jing Zhou car fall down from the bridge accident ", " Tongchuan, Shaanxi Province automobile fall down from the bridge accident " fall down from the bridge accident, and injures and deaths are very tight Weight, it is almost unmanned to survive.
Vehicular impact guardrail and to go out the reason of bridge falls more complex, it is difficult to avoid the appearance of such accident.Generation at present The major way that various countries, boundary take in terms of the anti-fall vehicle of bridge-collision-avoidance is setting respective level guardrail, but Bridge guardrail is difficult at present It takes into account punishment shock and two kinds of accidents of falling then is easy to appear vehicle and smashes guardrail, go out if Bridge guardrail strength grade is lower Bridge, but such as Bridge guardrail bridge height is higher ranked, then is easy to appear vehicle damage seriously, passenger's injures and deaths are serious.Therefore, such as What provides and develops a kind of bridge protective equipment for taking into account anticollision and anti-fall two kinds of effects, guarantees that traffic safety becomes traffic pipe Reason person's problems faced.
Utility model content
The purpose of this utility model is to provide it is a kind of can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, it is above-mentioned to solve The problems in background technique.
To achieve the goals above, the technology employed by the present utility model is it is a kind of can buffering collision of closed bridge it is anti- Hit anti-fall vehicle device, including bridge concrete pave-load layer and overhanging board;
The two sides of the bridge concrete pave-load layer are provided with interlayer;Sliding layer and lower slider are vertically arranged in interlayer Layer, several rollers are provided in two sliding layers;The end of the interlayer top panel is provided with protective net and collects dress, interlayer The end of lower panel is provided with anticreep blocking portion;
The overhanging board is arranged between two sliding layers;Interlayer is stretched out in the front end of overhanging board, and front end is longitudinally set It is equipped with wall Bridge guardrail;The end of overhanging board is located in interlayer, and end is provided with blocking, and the blocking portion is downwardly convex It rises;Buffer unit is provided between blocking portion and anticreep blocking portion.
Further, the sliding layer includes several supporting blocks for being symmetricly set on overhanging board two sides, in supporting block It is provided with axis hole, the axis connection portion at the roller both ends protrudes into the axis hole of respective side, forms the sliding layer.
Further, the bottom of the blocking portion is provided with several parallel connecting shafts;It stretches at the both ends of the connecting shaft Blocking portion is connected with idler wheel out.
Further, the upper sliding layer contacts the upper surface of overhanging board;The lower slider layer setting stops in anticreep The top in portion, and there are gaps between lower slider layer and anticreep blocking portion.
Further, the buffer unit is hydraulic damping device, and the hydraulic damping device includes hydraulic cylinder and liquid Telescopic rod is pressed, the hydraulic cylinder is fixedly connected with anticreep blocking portion, and the end of the hydraulic telescopic rod is provided with blocking surface.
Further, the end of the bridge concrete pave-load layer is provided with beam body articulated section, and beam body articulated section is arranged In the outside of anticreep blocking portion;
The bottom of the overhanging board is provided with overhanging board articulated section;
Several support rods are provided between the beam body articulated section and overhanging board articulated section.
Further, the beam body articulated section includes several spaced pivoting supports;The overhanging board is hinged Portion includes several spaced body cradles, and body cradle is correspondingly arranged with hinged seat;
The support rod is hydraulic pressure support bar;The bottom of support rod is provided with hydraulic cylinder;The hydraulic cylinder is hinged on In pivoting support;It is hinged on body cradle at the top of the support rod.
Further, when overhanging board is in running order, the support rod is in pressurising state;At overhanging board When the state of recycling, the support rod is in pressure release state.
Further, the two sides of the overhanging board are provided with protective net, and one end of the protective net connects protective net Dress is collected, the other end connects wall Bridge guardrail;The lower part of the wall Bridge guardrail is provided with face protective net collection device Recessed portion;It is provided with rotary shaft in the protective net collection device, and rotary shaft is connected with driving motor;
When overhanging board is in recycling state, the protective net winding is on the rotary shaft;The protective net collection device It is embedded in the recessed portion.
Further, the overhanging board is armoured concrete slab;The anticreep blocking portion is reinforced concrete block;It is described Protective net is flexible galvanized steel wire netting.
Compared with prior art, the utility model at least has the following beneficial effects:
The utility model one kind can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, in the two sides of bridge concrete pave-load layer Sandwich establishment can be used to store overhanging board;Two sliding layers, two cunnings are set on the side wall of bridge concrete pave-load layer Roller is respectively provided in dynamic layer, overhanging board is arranged between two sliding layers, just reduces when overhanging board portion moves in this way Frictional resistance enables overhanging board free to slide in bridge concrete pave-load layer, overhanging board is freely stretched Out and retract;Anticreep blocking portion is set in the lower layer end of bridge concrete pave-load layer, and is arranged in the end of overhanging board and hinders Stopper, such anticreep blocking portion, which can be formed the blocking portion of overhanging board, to be stopped, and overhanging board is prevented to be displaced outwardly It is detached from bridge concrete pave-load layer in the process;By the way that buffer unit is arranged in the inside of anticreep blocking portion, when Vehicular impact protects When net collection device, protective net collection device is displaced outwardly, so that the blocking portion of overhanging board hits anticreep blocking portion, is being buffered Under the action of device, is discharged so that powerful impact force is alleviated, to play buffer function to vehicle, ensure that vehicle Safety.
Further, by connecing the upper surface and lower surface of overhanging board with upper sliding layer and lower slider layer respectively Touching enables overhanging board to carry out by two sliding layers free to slide;Between lower slider layer and anticreep blocking portion there are Gap ensure that the roller in lower slider layer is free to roll.
Further, by the way that symmetrical supporting block is arranged in the two sides of overhanging board, carry out supporting roller wheel, by roller both ends Axle portion penetrates in corresponding axis hole, can realize the rotation of roller, thus sliding layer required for being formed.
Further, by the way that connecting shaft is arranged in the bottom of blocking portion, overhanging board and company are stretched out into the both ends of connecting shaft Idler wheel is connect, can realize rolling of the blocking portion on interlayer bottom plate in this way, so that the stretching and recycling for overhanging board are reduced Frictional resistance, so that stretching out and removal process is more smooth.
Further, buffer unit is set as hydraulic damping device, when Vehicular impact protective net collection device, hits Power is transferred to hydraulic damping device through overhanging board portion, blocking surface, and the machine oil inside hydraulic damping device in grease chamber is extruded punching Open trimmer valve and enter gas chamber, compress the indoor air of gas, so that powerful impact force be enable to alleviate release, vehicle by The effect of cushion effect and while slow down, overhanging board portion moves out, and provides space for vehicle deceleration stopping, ensure that The safety of vehicle and personnel;It is hydraulic by being injected into hydraulic damping device when overhanging board needs to retract, it can be real Existing hydraulic damping device pushes back overhanging board, withdraws overhanging board to realize.
Further, overhanging board articulated section is set in the bottom of overhanging board, overhanging board articulated section includes several Parallel arrangement of body cradle;Beam body articulated section is set in the end of bridge concrete pave-load layer, beam body articulated section includes several Pivoting support disposed in parallel, setting in this way enable the both ends of support rod to be respectively hinged at the hinge of corresponding end It connects in frame and pivoting support, to realize that support rod can be rotated around two articulated sections, in this way when overhanging board stretches out When, support rod can be opened, and supporting role of the support rod to overhanging board is realized by hydraulic action;When overhanging board contracts Hui Shi, by hydraulic in release hydraulic telescopic rod, support rod can be retracted;By the way that multiple parallel hydraulic telescopic rods are arranged, Support rod can be improved to the support effect of overhanging board, prevent overhanging board because moment of flexure mistake, occur in self weight and vehicular load Cause overhanging board to be broken greatly, bridge concrete is caused to be mated formation damage layer.
Further, by the way that protective net is arranged in the side of overhanging board, when so that overhanging board being stretched out by Vehicular impact, The protective net of two sides, which can be formed vehicle in two side positions, to be stopped, and vehicle can be prevented sliding from the two sides vacancy of overhanging board It falls;Set protective net recyclable device can carry out recycling protection to the protective net in recycling state.
Further, overhanging board and anticreep blocking portion are all made of in engineering common armored concrete and are made, not only side Just processing and fabricating, and it is at low cost, and intensity is high, has good engineering practicability;Protective net is zinc-plated using high-intensitive flexibility Steel wire is made, and not only also has certain flexibility with rigidity, meets protective net and wants to the protection for hitting vehicle It asks.
Detailed description of the invention
Fig. 1 is the overall structure diagram of utility model device;
Fig. 2 is the structural schematic diagram of overhanging board in Fig. 1;
Fig. 3 is the structural schematic diagram of protective net and wall Bridge guardrail in Fig. 1;
Fig. 4 is the attachment structure schematic diagram of support rod in Fig. 1;
In figure: 1, overhanging board, 2, idler wheel, 3, board track, 4, protective net, 5, blocking surface, 6, buffer unit, 7, anticreep Blocking portion, 8, support rod, 9, beam body articulated section, 10, bridge concrete pave-load layer, 11, protective net collection device, 12, wall bridge Beam guardrail, 13, overhanging board articulated section, 14, blocking portion, 15, roller.
Specific embodiment
With reference to the accompanying drawing, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, fall within the protection scope of the utility model.
As shown in Figure 1, one kind described in the utility model can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, including it is overhanging Board portion 1, overhanging board portion 1 are arranged in the concrete pavement layer of bridge;
In the present invention, 10 two sides of bridge concrete pave-load layer are provided with cavity interlayer, mention for overhanging board 1 is arranged For space;Specifically, bridge concrete pave-load layer 10 is provided with top panel and lower panel, and hollow setting is formed between two panels Interlayer;The end of the top panel is provided with protective net collection device 11;The end of lower panel is provided with anticreep blocking portion 7;
It is vertically arranged with sliding layer and lower slider layer in interlayer, several rollers 15 are provided in two sliding layers, Specifically, the bottom of the upper surface of interlayer plate is provided with cement concrete fixed part, concrete fixed part is symmetricly set on overhanging The medium position of the two sides of board 1, concrete fixed part offers axis hole, ipsilateral by protruding into the axle portion at 15 both ends of roller In the axis hole of concrete fixed part, being freely rotated in concrete fixed part of roller 15 is realized;By being arranged between several etc. Every, parallel roller 15 and concrete fixed part, to form upper sliding layer;Similarly, in the top surface of anticreep blocking portion 7 position Several concrete fixed parts are symmetrically arranged in the both ends of overhanging board 1, the medium position aperture of concrete fixed part is arranged, The axle portion that roller 15 is penetrated in axis hole realizes each roller 15 freely rolling in corresponding concrete fixed part, is formed Lower slider layer.Overhanging board 1 is arranged between upper sliding layer and lower slider layer, is able to carry out sliding.
In the preferred embodiment of the utility model, it is additionally provided with idler wheel in the bottom of blocking portion 14, specifically, is being stopped The two sides of portion bottom are symmetrically arranged with fixed part, and connecting shaft is provided on fixed part, and connecting shaft penetrates in the idler wheel of respective side, Idler wheel can be rotated around connecting shaft in this way, to realize that the bottom of blocking portion 14 can freely roll, and then be reduced outer It stretches board 1 to stretch out or when recycling with the interbedded frictional resistance of bridge concrete pave-load layer 10, enables overhanging board 1 It more successfully stretches out or recycles.
It is located at the part of two sides in bridge concrete pave-load layer 10, board track 3, board track is additionally provided on side wall 3 are arranged between upper sliding layer and lower slider layer;
In the preferred embodiment of the utility model, overhanging board 1 slides through following manner realization: overhanging board 1 Bottom do not contacted with the bottom surface of board track 3, but be supported on lower slide layer, setting in this way, so that overhanging Board 1 can be slided under the action of lower slide layer, reduce the frictional resistance when movement of overhanging board portion 1;
When two bridge concrete pave-load layers 10 are located at the end position of bridge longitudinal direction, in bridge concrete pave-load layer 10 Inner wall on be provided with board track 3, correspondingly, the side of overhanging board 1 herein is protruded into the board track, to guarantee Overhanging board 1 can be moved along being correctly oriented;
Overhanging board 1 is arranged between two sliding layers, and upper sliding layer contacts the upper surface of overhanging board 1;It glides The top of anticreep blocking portion 7 is arranged in dynamic layer, and there are gaps between lower slider layer and anticreep blocking portion 7, so that lower slider layer Interior roller 15 can be rolled freely, realized and acted on the sliding support of overhanging board 1;Interlayer is stretched out in the front end of overhanging board 1, And the upper surface of front end is provided with wall Bridge guardrail 12, sees Fig. 2, the end of overhanging board 1 is located in interlayer, and end is arranged There is blocking portion 14, the blocking portion 14 is downwardly convex, and in this way during overhanging board 1 is displaced outwardly, blocking portion 14 can Barrier structure body is formed with anticreep blocking portion 7, prevents overhanging board 1 to be detached from bridge concrete during being displaced outwardly and mats formation Layer 10;Buffer unit 6 is provided between blocking portion 14 and anticreep blocking portion 7.
In the preferred embodiment of the utility model, the lower inside position of wall Bridge guardrail 12 is provided with recessed portion, See that Fig. 3, size and shape and the protective net collection device 11 of recessed portion match, so that being in recycling state in overhanging board 1 When, protective net collection device 11 can be embedded just below in the recessed portion of wall Bridge guardrail 12, form a complete wall Bridge guardrail, when because of Vehicular impact or when actively opening overhanging board 1, protective net collection device 11 and wall Bridge guardrail 12 separation drive the protection being wrapped in protective net collection device 11 to play expansion.
In the preferred embodiment of the utility model, blocking portion 14 is made using high-density concrete, to increase resistance Stopper own wt improves the stability of overhanging board, balances overhanging board 1, wall fence 12 and vehicular load and holds to overhanging The active force of plate 1 is prevented when vehicle is overweight, and overhanging board 1 tilts.
In the preferred embodiment of the utility model, buffer unit 6 is hydraulic damping device, and hydraulic damping device includes liquid Cylinder pressure body and hydraulic telescopic rod, hydraulic cylinder are fixedly connected with anticreep blocking portion 7, and the end of hydraulic telescopic rod is provided with blocking surface 5, blocking surface 5 is arranged in perpendicular, stops for being formed to blocking portion 14, and improves the blocking effect to blocking portion 14;When When Vehicular impact wall Bridge guardrail 12, impact force is transferred to hydraulic damping device 6, liquid through overhanging board portion 1, blocking surface 5 Machine oil in pressure 6 inside grease chamber of buffer unit, which is extruded punching and opens trimmer valve, enters gas chamber, compresses the indoor air of gas, thus So that powerful impact force is alleviated release, vehicle by cushion effect effect and while slow down, overhanging board portion 1 is to outward transport It is dynamic, space is provided for vehicle deceleration stopping, ensure that vehicle and the safety of personnel;When overhanging board 1 needs to recycle, By injecting hydraulic oil into hydraulic damping device, internal hydraulic pressure is improved, hydraulic telescopic rod is stretched, can be realized hydraulic slow Flushing device is pushed back to overhanging board 1, withdraws overhanging board 1 to realize.
In another embodiment of the utility model, blocking surface 5 is fixedly connected with blocking portion 14, works as hydraulic cushion in this way When the hydraulic telescopic rod back shrinkage of device, blocking portion 14 will be driven to be displaced outwardly, to drive the outside sidesway of overhanging board 1 It is dynamic, realize the purpose that the overhanging board 1 of active drive is unfolded.
As shown in figure 4, in the present invention, being additionally provided with support portion, support portion includes support base and support rod 8, tool Body structure is as follows:
The end of plate is provided with beam body articulated section 9 below bridge concrete pave-load layer 10, and the setting of beam body articulated section 9 exists The outside of anticreep blocking portion 7;Multiple pivoting supports are provided on beam body articulated section 9, for being hinged the bottom of support rod;
It is provided with overhanging board articulated section 13 in the empty slot of overhanging 1 bottom of board, is arranged on overhanging board articulated section 13 There are multiple body cradles, body cradle is in parallel setting at equal intervals, and each body cradle corresponds to a pivoting support, in this way Be arranged in a one-to-one correspondence, support rod 8 is corresponded to and is fixed on the bottom and beam body articulated section 9 of overhanging board 1;By setting Multiple body cradles and pivoting support are set, multiple support rods 8 can be connected simultaneously, support rod 8 is improved to overhanging board 1 with this Supporting role.It is that overhanging board portion 1 provides support force by high-intensitive support rod 8, reduces the effect of moment of flexure, prevent overhanging hold Plate portion 1 occur moment of flexure it is excessive and the case where be broken.
The top of overhanging board 1 is hinged and is connected on body cradle, and bottom is hinged and is connected on pivoting support;In the utility model, Support rod 8 uses hydraulic pressure support bar, and the bottom of hydraulic pressure support bar is provided with hydraulic cylinder, and hydraulic cylinder is provided with pedestal, pedestal Interior interspersed guide rod, the both ends of guide rod are protruded into pivoting support, realize being hinged for hydraulic cylinder and pivoting support;Support rod 8 Top is interspersed with another guide rod, and the both ends of guide rod are protruded into body cradle, realizes the top of support rod 8 and being hinged for body cradle, Setting in this way realizes support rod 8 and can be rotated around two articulated sections.
Under normal condition, hydraulic pressure support bar is constantly subjected to the intracorporal hydraulic action of hydraulic cylinder, when wall Bridge guardrail 12 to When outer mobile, on the one hand overhanging board 1 pulls hydraulic pressure support bar to be displaced outwardly, and another aspect hydraulic pressure support bar is by liquid in cylinder body The effect of pressure, enables hydraulic pressure support bar normally to stretch out;When needing to retract overhanging board 1, pass through the intracorporal liquid of release cylinder Pressure, so that hydraulic pressure support bar loses hydraulic pressure support, while hydraulic to hydraulic damping device injection, so that hydraulic damping device passes through Hydraulic coupling is transmitted to blocking portion 14 by blocking surface 5, pushes blocking portion 14 and then overhanging board 1 is driven to move inward, realization will be outer Board 1 is stretched to be recycled in bridge concrete pave-load layer 10;
In the utility model, by the way that multiple parallel support rods 8 are arranged, to improve the support effect to overhanging board 1, from And prevent overhanging board 1 from slipping out of bridge concrete pave-load layer 10 interlayer space because of self weight.
In the utility model, protective net 4 is additionally provided on overhanging board 1, protective net 4 is zinc-plated using high-intensitive flexibility Steel wire is made, and not only also has certain flexibility with rigidity, meets protective net and wants to the protection for hitting vehicle It asks;The two sides of overhanging board 1 are arranged in protective net 4, and specifically, one end of protective net 4 is fixed on the wall bridge of overhanging board 1 On guardrail 12, the other end is fixed on the protective net collection device 11 of 10 end of bridge concrete pave-load layer, such Vehicular impact When wall Bridge guardrail 12, overhanging board 1 is displaced outwardly, and drives protective net 4 to be unfolded, so that the sky of 1 two sides of overhanging board It lacks part to be covered by protective net 4, avoids the risk that vehicle is fallen from overhanging 1 side spaces of board;In order to improve protective net 4 Protection effect, protective net 4 is equipped with certain altitude, and protective net 4 had using high-intensitive zinc-plated flexible steel wire net it is fine Intensity, can be to thering are the vehicle for falling risk or personnel to provide safety guarantee.By the way that axis connection driving motor will be rotated, in this way When needing to recycle overhanging board 1, driving motor drives rotary shaft rotation, and then gradually winds protective net 4, so that protective net 4 It is received in 4 collection device 11 of protective net.
In the preferred embodiment of the utility model, overhanging board 1 and anticreep blocking portion 7 are all made of armored concrete production It forms.
The utility model one kind can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance application method, when Vehicular impact wall When Bridge guardrail 12, impact force is transferred to hydraulic damping device portion 6 through overhanging board portion 1, blocking surface 5, in internal grease chamber Machine oil be extruded punching and open trimmer valve and enter gas chamber, compress the indoor air of gas, so that powerful impact force be enable to delay Solution release, vehicle by cushion effect effect and while slow down, overhanging board portion 1 is by two side wheels 2, along board track 3, It is moved out under the rolling action in roller portion 4, provides space for vehicle deceleration stopping.
Anticreep blocking portion 7, to prevent overhanging board portion 1 from falling off when moving out, when overhanging board portion 1 moves to tail When the blocking portion 14 and anticreep blocking portion 7 in portion bump against, overhanging 1 stop motion of board portion can be made.
In the present invention, hydraulic damping device and support rod are provided with start button, can be led by start button Dynamic starting hydraulic damping device work, so that overhanging board 1 is actively opened, so in certain special cases, as gone out on bridge Existing car accident can be actively by start button when the Emergency Vehicle Lane of road or the band that stops in emergency are unable to satisfy parking demand Overhanging board portion 1 is stretched out to come, provides place of stopping in emergency for accident vehicle, ensures that traffic is unobstructed unaffected.
In the utility model, hydraulic damping device, the work recycling of support rod and the mechanism of action are as follows:
Support rod working mechanism: it under working condition, by hydraulic action inside support rod High Strength Hydraulic telescopic rod, stretches Bar has overhanging trend, can provide a supporting role for overhanging board, and acted on by multiple groups support rod and being provided for overhanging board It can satisfy the support force of requirement.
Recycled in its entirety mechanism: under recycling state, support rod is intracorporal by release High Strength Hydraulic telescopic rod hydraulic cylinder Hydraulic oil, reduction is hydraulic, so that High Strength Hydraulic telescopic rod is entered recycling state, hydraulic damping device to cylinder body cylinder interior by infusing Enter hydraulic oil, improve internal hydraulic pressure, stretch hydraulic telescopic rod, and then recycles overhanging board portion.
The above, the only preferred embodiments of the utility model are not intended to limit the protection model of the utility model Enclose, but those skilled in the art should be understood that the following contents: technical staff still can be to aforementioned documented technical side Case is modified or equivalent replacement of some of the technical features, so that the utility model can be used reasonably Into Practical Project;What technical staff was done simultaneously modifies or replaces, this reality that it does not separate the essence of the corresponding technical solution With the spirit and scope of novel each technical solution.

Claims (10)

1. one kind can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, which is characterized in that including bridge concrete pave-load layer (10) With overhanging board (1);
The two sides of the bridge concrete pave-load layer (10) are provided with interlayer;Sliding layer and lower slider are vertically arranged in interlayer Layer, several rollers (15) are provided in two sliding layers;The end of the interlayer top panel is provided with protective net and collects dress It sets (11), the end of interlayer lower panel is provided with anticreep blocking portion (7);
The overhanging board (1) is arranged between two sliding layers;Interlayer is stretched out in the front end of overhanging board (1), and front end is longitudinal It is provided with wall Bridge guardrail (12);The end of overhanging board (1) is located in interlayer, and end is provided with blocking portion (14), institute It is downwardly convex to state blocking portion (14);Buffer unit (6) are provided between blocking portion (14) and anticreep blocking portion (7).
2. one kind as described in claim 1 can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, which is characterized in that the upper cunning Dynamic layer contacts the upper surface of overhanging board (1);The lower slider layer is arranged in the top of anticreep blocking portion (7), and lower slider layer There are gaps between anticreep blocking portion (7).
3. one kind as claimed in claim 2 can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, which is characterized in that the sliding Layer includes that several are symmetricly set on the supporting block of overhanging board (1) two sides, and axis hole, the roller (15) are provided in supporting block The axis connection portion at both ends protrudes into the axis hole of respective side, forms the sliding layer;Wherein, the supporting block of upper sliding layer is fixedly connected The upper surface of interlayer plate, the supporting block of lower slider layer are fixed on the top surface of anticreep blocking portion (7).
4. one kind as described in claim 1 can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, which is characterized in that the blocking The bottom in portion (14) is provided with several parallel connecting shafts;The both ends of the connecting shaft stretch out blocking portion (14) and are connected with rolling Wheel.
5. one kind as described in claim 1 can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, which is characterized in that the buffering Device (6) is hydraulic damping device, and the hydraulic damping device includes hydraulic cylinder and hydraulic telescopic rod, the hydraulic cylinder with Anticreep blocking portion (7) is fixedly connected, and the end of the hydraulic telescopic rod is provided with blocking surface (5).
6. one kind as described in claim 1 can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, which is characterized in that the bridge The end of concrete pavement layer (10) is provided with beam body articulated section (9), and beam body articulated section (9) are arranged in anticreep blocking portion (7) Outside;
The bottom of the overhanging board (1) is provided with overhanging board articulated section (13);
Several support rods (8) are provided between the beam body articulated section (9) and overhanging board articulated section (13).
7. one kind as claimed in claim 6 can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, which is characterized in that the beam body Articulated section (9) includes several spaced pivoting supports;The overhanging board articulated section (13) includes that several intervals are set The body cradle set, and body cradle is correspondingly arranged with hinged seat;
The support rod (8) is hydraulic pressure support bar;The bottom of support rod (8) is provided with hydraulic cylinder;The hydraulic cylinder is hinged In pivoting support;It is hinged on body cradle at the top of the support rod (8).
8. as claimed in claims 6 or 7 it is a kind of can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, which is characterized in that when outer Stretch board (1) it is in running order when, the support rod (8) is in pressurising state;When overhanging board (1) is in recycling state When, the support rod (8) is in pressure release state.
9. one kind as described in claim 1 can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, which is characterized in that it is described overhanging The two sides of board (1) are provided with protective net (4), and one end of the protective net (4) connects protective net collection device (11), another End connection wall Bridge guardrail (12);The lower part of the wall Bridge guardrail (12) is provided with face protective net collection device (11) Recessed portion;It is provided with rotary shaft in the protective net collection device (11), and rotary shaft is connected with driving motor;
When overhanging board is in recycling state, protective net (4) winding is on the rotary shaft;The protective net collection device (11) it is embedded in the recessed portion.
10. one kind as described in claim 1 can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance, which is characterized in that it is described outer Stretching board (1) is armoured concrete slab;The anticreep blocking portion (7) is reinforced concrete block;The protective net (4) is flexible plating Zinc steel wire.
CN201920054581.5U 2019-01-11 2019-01-11 It is a kind of can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance Expired - Fee Related CN209482120U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518592A (en) * 2019-01-11 2019-03-26 长安大学 It is a kind of can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518592A (en) * 2019-01-11 2019-03-26 长安大学 It is a kind of can buffering collision of closed the anti-fall vehicle device of bridge-collision-avoidance
CN109518592B (en) * 2019-01-11 2024-04-26 长安大学 Bridge anti-collision anti-falling device capable of buffering collision

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