CN213709188U - Anti-collision device for highway bridge - Google Patents
Anti-collision device for highway bridge Download PDFInfo
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- CN213709188U CN213709188U CN202022556266.8U CN202022556266U CN213709188U CN 213709188 U CN213709188 U CN 213709188U CN 202022556266 U CN202022556266 U CN 202022556266U CN 213709188 U CN213709188 U CN 213709188U
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Abstract
The utility model belongs to the technical field of buffer stop's technique and specifically relates to a buffer stop for public road bridge roof beam is related to, and it includes that two are the stand of vertical setting, fixed mounting has the crossbeam between the stand, be provided with the elastic buffer board on the crossbeam, the elastic buffer board with connect through buffer gear between the crossbeam. This application has the effect that improves buffer collision avoidance ability of buffer stop.
Description
Technical Field
The application relates to the technical field of anti-collision devices, in particular to an anti-collision device for a highway bridge.
Background
With the development of science and technology, automobiles become a necessary travel tool for each family, but meanwhile, the automobiles also bring potential safety hazards to people. The highway bridge is a section with many traffic accidents, so the anti-collision device of the highway bridge is very important.
The highway bridge anti-collision device in the related art is generally formed by fixing a cement upright post and a steel structure cross beam through bolts.
Aiming at the related technologies, the inventor thinks that when the vehicle has an accident and collides with the anti-collision device, the guardrail parts are connected rigidly, so that the anti-collision device does not have any buffer effect, and after the automobile has the accident and is collided, the generated collision force is large, the vehicle and the anti-collision device are seriously damaged, and even certain threats are brought to the personal safety of personnel in the automobile.
SUMMERY OF THE UTILITY MODEL
In order to improve buffer anticollision ability of buffer stop, this application provides a buffer stop for public road bridge roof beam.
The application provides a public road is buffer stop for bridge adopts following technical scheme:
the utility model provides a public road bridge anti-collision device for roof beam, includes that two are the stand of vertical setting, fixed mounting has the crossbeam between the stand, be provided with the elastic buffer board on the crossbeam, the elastic buffer board with connect through buffer gear between the crossbeam.
Through adopting above-mentioned technical scheme, when the vehicle takes place the accident and hits buffer stop, the vehicle earlier with the contact of elastic buffer board and extrusion elastic buffer board for elastic buffer board exerts pressure to the crossbeam through buffer gear, under elastic buffer board and buffer gear's mating reaction, can cushion the impact of vehicle and weaken, is favorable to improving buffer collision avoidance ability of buffer stop.
Optionally, the buffering mechanism includes a first buffering assembly, the first buffering assembly includes two connecting rods, a guide rod and two buffering springs, the side wall of one side of the elastic buffering plate facing the cross beam is fixedly hinged to the end portions of the two connecting rods through pin shafts, the guide rod is disposed on one side of the cross beam facing the elastic buffering plate, the guide rod is slidably provided with two sliding blocks, the moving direction of the sliding blocks is along the length direction of the guide rod, the side wall of the guide rod facing one side of the elastic buffering plate is provided with a sliding groove, the length direction of the sliding groove is the same as the moving direction of the sliding blocks, the sliding blocks are slidably matched with the sliding grooves, the two sliding blocks are fixedly hinged to one ends of the two guide rods far away from the elastic buffering plate through pin shafts, and the two buffering springs are slidably disposed in the sliding groove, and the two buffer springs are respectively positioned outside two sides of the two sliding blocks which are far away from each other, one ends of the buffer springs are fixedly connected with the side walls of the sliding blocks, and the other ends of the buffer springs are fixedly connected with the groove walls of the sliding grooves.
Through adopting above-mentioned technical scheme, when the vehicle collided the elastic buffer board, the elastic buffer board moved towards crossbeam one side and promoted the connecting rod and drive two sliders and slide to the both sides of keeping away from each other along the length direction of guide bar for the slider compression buffer spring, thereby the impulsive force that produces when colliding the elastic buffer board with the vehicle turned into elastic potential energy, and cushioned the vehicle, thereby realized the cushioning effect of buffer gear to the impact force of vehicle.
Optionally, the slider includes connecting portion and spacing portion, just the width of connecting portion is less than the width of spacing portion, the spout includes connector sub-groove and direction sub-groove, connecting portion with connector sub-groove cooperation of sliding, spacing portion with direction sub-groove cooperation of sliding.
Through adopting above-mentioned technical scheme, the width of connecting portion is less than the setting of the width of spacing portion, can make the slider keep sliding in the direction sub-groove, is favorable to improving the stability that the slider slided.
Optionally, a tension spring is arranged between the two connecting rods, and two ends of the tension spring are respectively fixedly connected with the side walls of the two connecting rods.
Through adopting above-mentioned technical scheme, the setting of taut spring can improve two sliders and do required power when sliding of keeping away from each other to be favorable to improving the cushioning effect of first buffering subassembly to the vehicle collision.
Optionally, the buffer mechanism includes two sets of second buffer assemblies, the two sets of second buffer assemblies are respectively disposed on two of the upright posts, and the two sets of second buffer assemblies are respectively located at two sides of the elastic buffer plate, the second buffer assemblies include a sleeve, a moving block and a buffer torsion spring, the sleeve is horizontally mounted on the side walls of the upright posts, the moving block is in sliding fit with the sleeve, a fixed block is fixedly disposed on the side wall of the moving block, a fixed groove is formed through the side wall of the sleeve, the length direction of the fixed groove is the same as the moving direction of the moving block, the fixed block is in sliding fit with the fixed groove, one end of the fixed block, which is far away from the side wall of the moving block, extends out of the sleeve and is fixedly connected with the side wall of the elastic buffer plate, and the buffer torsion spring is disposed in, the buffer torsion spring is positioned outside one end, far away from the upright post, of the moving block, the buffer torsion spring is sleeved on a fixed shaft, two ends of the fixed shaft are fixedly connected with the inner side wall of the sleeve, one end of the buffer torsion spring is fixedly connected with the side wall of the fixed shaft, and the other end of the buffer torsion spring is fixedly connected with the end portion of the moving block.
Through adopting above-mentioned technical scheme, when the vehicle collided the elastic buffer board, the elastic buffer board passed through the fixed block and driven the movable block and slided and tensile buffering torsional spring towards crossbeam one side for the produced impact of vehicle collision elastic buffer board turns into the elastic potential energy of buffering torsional spring, thereby has realized the cushioning effect of buffer gear to the vehicle.
Optionally, the elastic buffer plate includes a steel plate layer and a rubber layer, the steel plate layer is fixedly connected to the rubber layer, and the steel plate layer is located on one side of the rubber layer close to the cross beam.
Through adopting above-mentioned technical scheme, the cushioning effect of elastic buffer board to the vehicle collision has been realized to the setting on rubber layer, and the setting on steel deck is favorable to improving elastic buffer board's overall structure intensity to be favorable to improving elastic buffer board's life.
Optionally, the elastic buffer plate is arranged in an arc shape.
Through adopting above-mentioned technical scheme, the elastic buffer board is curved setting, can lead to a plurality of directions with the impact dispersion that produces when the vehicle collision to be favorable to improving the cushioning effect of elastic buffer board to the vehicle.
Optionally, a reflective belt is fixedly arranged on the side wall of one side of the elastic buffer plate, which is far away from the beam.
Through adopting above-mentioned technical scheme, the setting of reflection of light area can reflect vehicle light night to play the effect of warning, be favorable to reducing the condition emergence that vehicle collided buffer stop.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the vehicle collides with the anti-collision device accidentally, the vehicle contacts with the elastic buffer plate and extrudes the elastic buffer plate, so that the elastic buffer plate transmits impact force to the first buffer assembly and the second buffer assembly, and at the moment, the impact force is converted into elastic potential energy of the buffer spring and the buffer torsion spring under the elastic action of the buffer spring and the buffer torsion spring respectively, so that the buffer capacity of the anti-collision device is improved, and the vehicle is buffered;
2. the setting of reflection of light area can be under the insufficient condition of light, reflects the light of passing vehicle to warn the driver, be favorable to reducing the condition that the vehicle collided buffer stop and take place.
Drawings
Fig. 1 is a schematic overall structure diagram of a collision avoidance device for a road bridge according to the present application.
Fig. 2 is a schematic overall structure diagram of a cross-section of a sleeve and a guide rod of the anti-collision device for a road bridge.
Description of reference numerals: 1. a column; 2. a cross beam; 3. an elastic buffer plate; 31. a steel plate layer; 32. a rubber layer; 4. a first buffer assembly; 41. a buffer spring; 42. a guide bar; 43. a slider; 431. a connecting portion; 432. a limiting part; 44. a connecting rod; 5. a second buffer assembly; 51. a sleeve; 511. a closed end; 52. a moving block; 53. a buffer torsion spring; 6. a reflective band; 7. a chute; 71. a connector sub-slot; 72. a guide sub-groove; 8. tensioning the spring; 9. a fixed block; 10. fixing grooves; 11. and fixing the shaft.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses buffer stop for public road bridge roof beam. Referring to fig. 1, the anti-collision device for the highway bridge comprises two upright posts 1 which are vertically arranged, and a cross beam 2 is fixedly arranged between the upright posts 1. Install the elastic buffer board 3 that is the level setting on the crossbeam 2, and be connected through a set of first buffer subassembly 4 and two sets of second buffer subassembly 5 between crossbeam 2 and the elastic buffer board 3. The first buffer components 4 are arranged between the elastic buffer pads and the cross beam 2, and the two groups of second buffer components 5 are arranged between the elastic buffer pads and the upright posts 1. Through the setting of first buffer subassembly 4 and second buffer subassembly 5 for elastic buffer board 3 can produce the cushioning effect to the vehicle of collision, thereby is favorable to improving buffer anticollision ability of buffer stop.
Referring to fig. 1, the elastic buffer plate 3 includes a steel plate layer 31 and a rubber layer 32, the steel plate layer 31 is fixedly connected to the rubber layer 32, and the steel plate layer 31 is located on one side of the rubber layer 32 close to the beam 2. The setting of steel deck 31 can improve the overall structure intensity of elastic buffer board 3, and the setting on rubber layer 32 makes elastic buffer board 3 have the cushioning effect, can play the protection effect to the vehicle, and steel deck 31 is located the setting on one side of rubber layer 32 near crossbeam 2, makes the vehicle lie in elastic buffer board 3 when colliding, and the vehicle contacts with rubber layer 32 to the cushioning effect of elastic buffer board 3 to the vehicle has been realized.
Specifically, the elastic buffer plate 3 is arc-shaped, and the arc center of the elastic buffer plate 3 faces one side of the beam 2. When the vehicle collided to elastic buffer board 3, the vehicle could guide the dispersion to a plurality of directions under the curved setting to elastic buffer board 3's clash power to be favorable to improving the cushioning effect of elastic buffer board 3 to the vehicle.
Referring to fig. 1, a reflective tape 6 is arranged on one side of the elastic buffer plate 3 away from the beam 2, and the reflective tape 6 is adhered to the rubber layer 32 away from the steel plate layer 31. The setting of reflective tape 6 can reflect the light that the vehicle shined and come to play the effect of warning to the driver, be favorable to improving driver's attention, reduce the condition that the vehicle hit buffer stop and take place.
Referring to fig. 2, the first buffer assembly 4 includes two buffer springs 41, a guide rod 42 horizontally disposed is fixedly connected to one side of the beam 2 facing the elastic buffer plate 3, a sliding slot 7 is formed in one side of the guide rod 42 facing the elastic buffer plate 3, and the length direction of the sliding slot 7 is the same as the length direction of the guide rod 42. The buffer springs 41 are arranged in the sliding groove 7, the two buffer springs 41 are respectively located on two sides of the sliding groove 7, which are far away from each other, the two sliding blocks 43 are matched in the sliding groove 7 in a sliding mode, and the two sliding blocks 43 are located between the two buffer springs 41. One end of the buffer spring 41 is fixedly connected with the groove wall of the sliding groove 7, the other end of the buffer spring 41 is fixedly connected with the side wall of the sliding block 43, and the elastic force direction of the buffer spring 41 is the same as the moving direction of the sliding block 43. A connecting rod 44 is arranged on one side of the sliding block 43 facing the elastic buffer plate 3, and the connecting rod 44 is fixedly hinged with the side wall of the sliding block 43 through a pin shaft. One ends of the two connecting rods 44 far away from the corresponding sliding blocks 43 are fixedly hinged with the side wall of the elastic buffer plate 3 through a pin shaft respectively. When the vehicle collides with the elastic buffer plate 3, the vehicle pushes the elastic buffer plate 3 and pushes the two sliding blocks 43 to slide towards the two sides far away from each other along the length direction of the sliding groove 7 through the two connecting rods 44, so that the two sliding blocks 43 respectively compress the buffer springs 41 connected with the sliding blocks, the impact force of the vehicle on the elastic buffer plate 3 is converted into the elastic potential energy of the buffer springs 41, the buffer effect is achieved on the collision of the vehicle, and the buffer and anti-collision capacity of the anti-collision device is favorably improved.
Specifically, the slider 43 includes a connecting portion 431 and a limiting portion 432, the connecting portion 431 and the limiting portion 432 are integrally disposed, the width of the connecting portion 431 is smaller than that of the limiting portion 432, the sliding groove 7 includes a connecting sub-groove 71 and a guiding sub-groove 72, the connecting sub-groove 71 is located at a notch of the sliding groove 7, the guiding sub-groove 72 is communicated with the connecting sub-groove 71, the connecting portion 431 is in sliding fit with the connecting sub-groove 71, and the limiting portion 432 is in sliding fit with the guiding sub-groove 72. Set up like this, can play the limiting displacement to the slip of slider 43, prevent that slider 43 from breaking away from spout 7 at the in-process that slides to slider 43 and spout 7 matched with stability of sliding have been improved.
More specifically, a tension spring 8 is disposed between the two sliders 43, and two ends of the tension spring 8 are respectively fixedly connected to two opposite side walls of the two sliders 43. The direction of the spring force of the tension spring 8 is the same as the direction of movement of the slider 43. When the two sliding blocks 43 move towards the direction away from each other, the two sliding blocks 43 are tensioned by the tensioning spring 8, so that the force required by the sliding of the two sliding blocks 43 away from each other is improved, and the buffering effect of the first buffering component 4 on the vehicle is further improved.
Referring to fig. 2, the two sets of second buffer assemblies 5 are respectively located at two sides of the elastic buffer plate 3, and the two sets of second buffer assemblies 5 are symmetrically arranged along the horizontal center line of the elastic buffer plate 3. The second buffer assembly 5 includes a sleeve 51, a moving block 52 and a buffer torsion spring 53, the sleeve 51 is horizontally disposed, one end of the sleeve 51 is fixedly connected to the sidewall of the upright column 1 facing the elastic buffer plate 3, and the other end of the sleeve 51 is a closed end 511. This arrangement protects the components within the sleeve 51. The moving block 52 is disposed in the sleeve 51, the moving block 52 is slidably engaged with the sleeve 51, and the sliding direction of the moving block 52 is the same as the longitudinal direction of the sleeve 51. The side wall of the moving block 52 is fixedly connected with a fixed block 9, the side wall of the sleeve 51 is correspondingly provided with a fixed groove 10 matched with the fixed block 9 in a sliding manner, and the length direction of the fixed groove 10 is the same as the moving direction of the moving block 52. One end of the fixing block 9, which is far away from the side wall of the sliding chute 7, extends out of the side wall of the sleeve 51 and is fixedly connected with the side wall of the elastic buffer plate 3. The buffering torsion spring 53 is arranged at one end of the sleeve 51 close to the closed end 511, and the buffering torsion spring 53 is positioned at one side of the moving block 52 far away from the upright post 1. The buffering torsion spring 53 is sleeved on a fixed shaft 11, and two ends of the fixed shaft 11 are fixedly connected with the inner side wall of the sleeve 51. One end of the buffering torsion spring 53 is fixedly connected with the side wall of the fixed shaft 11, and the other end of the buffering torsion spring 53 is fixedly connected with the end of the moving block 52. When the damping torsion spring 53 is in a natural state, the moving block 52 is located at one end of the sleeve 51 far away from the upright 1.
When the vehicle collides with the elastic buffer plate 3, the vehicle pushes the elastic buffer plate 3 and drives the moving block 52 to move towards the side wall of the upright post 1 through the fixing block 9, so that the moving block 52 stretches and buffers the torsion spring 53, the impact force applied to the elastic buffer plate 3 by the vehicle is converted into the elastic potential energy of the buffer torsion spring 53, and then the vehicle is buffered, thereby being beneficial to improving the buffer and anti-collision effects of the anti-collision device on the vehicle.
The implementation principle of the anti-collision device for the highway bridge in the embodiment of the application is as follows:
when the vehicle goes to elastic buffer board 3, reflective tape 6 can reflect the light of vehicle to warn the driver, be favorable to reducing the condition emergence that the vehicle collided buffer stop. When a vehicle collides with the elastic buffer plate 3, the elastic buffer plate 3 transmits the impact force applied by the vehicle to the connecting rod 44 and to the two sliding blocks 43 through the connecting rod 44, so that the two sliding chutes 7 slide away from each other along the length direction of the sliding chute 7 and compress the buffer spring 41, and the impact force is converted into the elastic potential energy of the buffer spring 41; meanwhile, the impact force applied by the vehicle is transmitted to the fixing block 9 through the elastic buffer belt, so that the fixing block 9 drives the moving block 52 to slide towards the side wall of the upright post 1 and stretch the buffer torsion spring 53, the impact force is converted into elastic potential energy of the buffer torsion spring 53, and through the arrangement, the impact force of the vehicle can be converted into the elastic potential energy of the buffer spring 41 and the elastic potential energy of the buffer torsion spring 53, so that the buffer anti-collision capacity of the anti-collision device on the vehicle is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a public road is buffer stop for bridge which characterized in that: including two stand (1) that are vertical setting, fixed mounting has crossbeam (2) between stand (1), be provided with elastic buffer board (3) on crossbeam (2), elastic buffer board (3) with connect through buffer gear between crossbeam (2).
2. The anti-collision device for the road bridge according to claim 1, characterized in that: the buffer mechanism comprises a first buffer component (4), the first buffer component (4) comprises two connecting rods (44), a guide rod (42) and two buffer springs (41), the elastic buffer plate (3) faces one side wall of the beam (2) and the end parts of the two connecting rods (44) are fixedly hinged through pin shafts respectively, the guide rod (42) is arranged on one side of the beam (2) facing the elastic buffer plate (3), two sliding blocks (43) are arranged on the guide rod (42) in a sliding manner, the moving direction of the sliding blocks (43) is along the length direction of the guide rod (42), the guide rod (42) faces the side wall of one side of the elastic buffer plate (3) and is provided with a sliding groove (7), the length direction of the sliding groove (7) is the same as the movement of the sliding blocks (43), and the sliding blocks (43) are matched with the sliding groove (7) in a sliding manner, two slider (43) keep away from respectively with two guide bar (42) the one end of elasticity buffer board (3) is through the fixed articulated of round pin axle, two buffer spring (41) slide and set up in spout (7), and two buffer spring (41) are located two respectively outside the both sides that slider (43) kept away from each other, the one end of buffer spring (41) with the lateral wall fixed connection of slider (43), the other end of buffer spring (41) with the cell wall fixed connection of spout (7).
3. The anti-collision device for the road bridge according to claim 2, characterized in that: the sliding block (43) comprises a connecting portion (431) and a limiting portion (432), the width of the connecting portion (431) is smaller than that of the limiting portion (432), the sliding groove (7) comprises a connecting sub-groove (71) and a guiding sub-groove (72), the connecting portion (431) is matched with the connecting sub-groove (71) in a sliding mode, and the limiting portion (432) is matched with the guiding sub-groove (72) in a sliding mode.
4. The anti-collision device for the road bridge according to claim 3, characterized in that: a tension spring (8) is arranged between the two connecting rods (44), and two ends of the tension spring (8) are respectively fixedly connected with the side walls of the two connecting rods (44).
5. The anti-collision device for the road bridge according to claim 1, characterized in that: the buffer mechanism comprises two groups of second buffer components (5), the two groups of second buffer components (5) are respectively arranged on the two upright posts (1), the two groups of second buffer components (5) are respectively positioned on two sides of the elastic buffer plate (3), each second buffer component (5) comprises a sleeve (51), a moving block (52) and a buffer torsion spring (53), the sleeves (51) are horizontally arranged on the side walls of the upright posts (1), the moving blocks (52) are in sliding fit with the sleeves (51), fixed blocks (9) are fixedly arranged on the side walls of the moving blocks (52), fixed grooves (10) are formed in the side walls of the sleeves (51) in a penetrating mode, the length direction of the fixed grooves (10) is the same as the moving direction of the moving blocks (52), and the fixed blocks (9) are in sliding fit with the fixed grooves (10), and one end, far away from the side wall of the moving block (52), of the fixed block (9) extends out of the sleeve (51) and is fixedly connected with the side wall of the elastic buffer plate (3), the buffer torsion spring (53) is arranged in the sleeve (51), the buffer torsion spring (53) is positioned outside one end, far away from the upright post (1), of the moving block (52), the buffer torsion spring (53) is sleeved on a fixed shaft (11), two ends of the fixed shaft (11) are fixedly connected with the inner side wall of the sleeve (51), one end of the buffer torsion spring (53) is fixedly connected with the side wall of the fixed shaft (11), and the other end of the buffer torsion spring (53) is fixedly connected with the end part of the moving block (52).
6. The anti-collision device for the road bridge according to claim 1, characterized in that: the elastic buffer plate (3) comprises a steel plate layer (31) and a rubber layer (32), the steel plate layer (31) is fixedly connected with the rubber layer (32), and the steel plate layer (31) is located on one side, close to the cross beam (2), of the rubber layer (32).
7. The anti-collision device for the road bridge according to claim 1, characterized in that: the elastic buffer plate (3) is arranged in an arc shape.
8. The anti-collision device for the road bridge according to claim 1, characterized in that: and a reflective belt (6) is fixedly arranged on the side wall of one side of the elastic buffer plate (3) far away from the cross beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022556266.8U CN213709188U (en) | 2020-11-06 | 2020-11-06 | Anti-collision device for highway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022556266.8U CN213709188U (en) | 2020-11-06 | 2020-11-06 | Anti-collision device for highway bridge |
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| Publication Number | Publication Date |
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| CN213709188U true CN213709188U (en) | 2021-07-16 |
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| CN202022556266.8U Active CN213709188U (en) | 2020-11-06 | 2020-11-06 | Anti-collision device for highway bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027633A (en) * | 2022-08-10 | 2022-09-09 | 浙江大学 | Wind-driven long-endurance unmanned ship |
-
2020
- 2020-11-06 CN CN202022556266.8U patent/CN213709188U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027633A (en) * | 2022-08-10 | 2022-09-09 | 浙江大学 | Wind-driven long-endurance unmanned ship |
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