CN111424588B

CN111424588B - Rail guard with energy-absorbing device is used for alleviating road surface collision

Info

Publication number: CN111424588B
Application number: CN202010279541.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangsu Shenghong Intelligent Security Facilities Co ltd
Current assignee: Jiangsu Shenghong intelligent security facilities Co.,Ltd.
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-08-24
Anticipated expiration: 2040-04-10
Also published as: CN111424588A

Abstract

The invention discloses a guardrail with an energy absorption device for relieving road surface collision, which relates to the field of guardrails and comprises a guardrail frame, wherein a rotating frame is rotatably arranged on the guardrail frame, a striking plate is arranged on one side of the rotating frame, a first shaft is rotatably arranged on the guardrail frame, a second shaft and a third shaft are fixedly arranged on the guardrail frame, three first rollers are fixedly arranged on the first shaft, and three second rollers and three third rollers are rotatably arranged on the second shaft and the third shaft. According to the invention, through the arrangement of the railing frame, the rotating frame, the impact plate, the third shaft, the second shaft, the first shaft, the third roller, the second roller and the first roller, when a vehicle is out of control and collides with the guardrail on a road surface, the triggering device drives the buffering energy-absorbing device to enter a preset position, the guiding device guides the vehicle to collide with the buffering energy-absorbing device, and most of kinetic energy in the process can be absorbed by the buffering energy-absorbing device, so that the damage of the vehicle is reduced, and the casualty rate of passengers is reduced.

Description

Rail guard with energy-absorbing device is used for alleviating road surface collision

Technical Field

The invention relates to the technical field of protective guards, in particular to a protective guard with an energy absorption device for relieving road surface collision.

Background

The protective fence, also called as a galvanized plastic-sprayed steel guardrail for urban traffic, is beautiful and novel, easy to install, safe and reliable, has low price, and is suitable for the isolation of urban traffic key roads, green isolation belts in the middle of expressways, bridges, secondary roads, village and town roads, toll gates of all roads and the like.

In the prior art, the protective guard only plays a role in isolation, when an automobile collides with the protective guard, the protective guard cannot play a role in protection, so that the automobile is greatly damaged, even casualties in the automobile are caused, meanwhile, pedestrians or other vehicles are often damaged, and further secondary accidents are caused.

Disclosure of Invention

The invention aims to provide a protective guard with an energy absorption device for relieving road surface collision, which aims to solve the problem that the protective guard provided in the background art only plays a role in isolation, and when an automobile collides with the protective guard, the protective guard cannot play a role in protection, even the protective guard often damages pedestrians or other vehicles, and further secondary accidents are caused.

In order to achieve the purpose, the invention provides the following technical scheme: a guard rail with an energy absorption device for relieving road surface collision comprises a rail frame, wherein a rotating frame is rotatably installed on the rail frame, a collision plate is arranged on one side of the rotating frame, a first shaft is rotatably installed on the rail frame, a second shaft and a third shaft are fixedly installed on the rail frame, three first rollers are fixedly installed on the first shaft, three second rollers and three third rollers are respectively rotatably installed on the second shaft and the third shaft, two through holes are formed in the top side of the rail frame, the top sides of the rotating frame and the first shaft respectively penetrate through the two through holes and are respectively fixedly provided with a synchronizing wheel, the two synchronizing wheels are sleeved with the same belt, a matching frame is fixedly sleeved on the rotating frame, a triangular block is rotatably installed on the matching frame, the same slide bar is arranged between the triangular block and the collision plate, two slide blocks are movably sleeved on the slide bar, and connecting rods are rotatably installed on two sides of the two slide blocks, two connecting rods that lie in same side rotate and install on the triangle block, two connecting rods of the opposite side of being equivalent all rotate and install on the striking plate, when the vehicle collided to first gyro wheel, first gyro wheel rotated, make the striking plate get into preset position, the secondary shaft, the third axle all with railing frame fixed connection, the second gyro wheel, the third gyro wheel respectively with the secondary shaft, the third axle rotates and is connected, therefore, first gyro wheel not only played the effect that triggers, can also guide out of control vehicle, and the second gyro wheel, the third gyro wheel is guide vehicle, reduce its impact force to the railing frame.

Preferably, the matching frame is provided with a matching groove, the triangular block is provided with a matching hole, a matching shaft is movably mounted in the matching hole, and two ends of the matching shaft are fixedly mounted on the inner walls of two sides of the matching groove respectively, so that the matching frame is convenient to rotate.

Preferably, one side of the impact plate close to the rotating frame is fixedly provided with a connecting plate, two connecting rods positioned on the same side are rotatably arranged on the connecting plate, and the impact plate drives the two connecting rods to rotate through the connecting plate.

Preferably, the slide bar is sleeved with two energy-absorbing springs, one ends, close to each other, of the two energy-absorbing springs are respectively contacted with the two slide blocks, the two ends of the slide bar are respectively and fixedly provided with a stop dog, one ends, far away from each other, of the two energy-absorbing springs are respectively contacted with the two stop dogs, and the force generated by collision is absorbed through the energy-absorbing springs, so that secondary accidents are prevented.

Preferably, the equal fixed mounting in both sides of slide bar has the mounting bracket, fixed mounting has the rotation axis in the mounting bracket, all set up flutedly on two lock boards, the rotatory hole has all been seted up on the both sides inner wall of recess, two rotatory holes are run through at the both ends of rotation axis, the torsional spring has been cup jointed on the rotation axis, the one end fixed mounting of torsional spring is on the lock board, the other end fixed mounting of torsional spring is on the mounting bracket, when the lock board moves right, the lock tooth then can restrict its motion, when the energy-absorbing is accomplished the back and need the unblock, overcome the torsional spring rotate to the lock tooth break away from can.

Preferably, the cooperation frame fixed mounting has two lock tooth plates, and a plurality of lock teeth have all been seted up to one side that lock tooth plate and lock plate are close to each other, and two lock teeth mesh mutually, and the lock plate compresses tightly to and locks the tooth plate cooperation, and when the slide bar drove the lock plate and moves left, the lock tooth can not restrict its motion.

Preferably, the rail frame is fixedly provided with a limiting block, the rotating frame is fixedly provided with a convex block, the convex block is matched with the limiting block, and the angle blocked by the rotating frame is limited by the blocking convex block of the limiting block.

Preferably, a rotating frame groove is formed in the railing frame, and the bottom side of the rotating frame is rotatably mounted in the rotating frame groove.

The invention has the beneficial effects that:

according to the invention, through the arrangement of the railing frame, the rotating frame, the impact plate, the third shaft, the second shaft, the first shaft, the third roller, the second roller and the first roller, when a vehicle is out of control and collides with the guardrail on a road surface, the triggering device drives the buffering energy-absorbing device to enter a preset position, the guiding device guides the vehicle to collide with the buffering energy-absorbing device, and most of kinetic energy in the process can be absorbed by the buffering energy-absorbing device, so that the damage of the vehicle is reduced, and the casualty rate of passengers is reduced.

According to the invention, through the arrangement of the synchronizing wheel, the belt, the matching frame, the locking plate, the connecting rod, the sliding blocks, the energy-absorbing springs, the limiting blocks, the convex blocks and the triangular blocks, when a vehicle collides with the impact plate, the two sliding blocks move towards two ends through the connecting rod, the energy-absorbing springs are compressed, the sliding rod moves horizontally to the left, and the locking device ensures that the sliding rod is always horizontal on one hand and can only move leftwards in a single direction (cannot move rightwards) on the other hand, so that the kinetic energy of the vehicle is absorbed by the energy-absorbing springs and cannot be released to cause secondary accidents.

Drawings

Fig. 1 is a schematic structural view of a guard rail with an energy absorbing device for alleviating road surface collision according to the present invention;

fig. 2 is a schematic structural view of a portion a of fig. 1 of a guard rail having an energy absorbing device for alleviating a road collision according to the present invention;

fig. 3 is a schematic structural view of the rear surface of a guard rail with an energy absorbing device for alleviating road surface collision according to the present invention;

fig. 4 is a schematic structural view of a portion B of fig. 3 of a guard rail having an energy absorbing device for alleviating a road collision according to the present invention;

fig. 5 is a partial structural view of a guard rail having an energy absorbing device for alleviating a road collision according to the present invention;

fig. 6 is a schematic top view of a guard rail having an energy absorbing device for alleviating a road collision according to the present invention.

In the figure: 1. a railing frame; 2. rotating the frame; 3. an impact plate; 4. a third axis; 5. a second shaft; 6. a first shaft; 7. a third roller; 8. a second roller; 9. a first roller; 10. a synchronizing wheel; 11. a belt; 12. a fitting frame; 13. a lock plate; 14. a connecting rod; 15. a slide bar; 16. a slider; 17. an energy-absorbing spring; 18. a limiting block; 19. a bump; 20. a triangular block; 21. a mating groove; 22. a mating hole; 23. a mating shaft; 24. a connecting plate; 25. a rotating shaft; 26. a stopper; 27. rotating the frame groove; 28. a lock toothed plate; 29. a mounting frame; 30. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a guard rail with an energy absorbing device for alleviating road surface collision comprises a guard rail frame 1, a rotating frame 2 is rotatably mounted on the guard rail frame 1, a striking plate 3 is arranged on one side of the rotating frame 2, a first shaft 6 is rotatably mounted on the guard rail frame 1, a second shaft 5 and a third shaft 4 are fixedly mounted on the guard rail frame 1, three first rollers 9 are fixedly mounted on the first shaft 6, three second rollers 8 and three third rollers 7 are respectively rotatably mounted on the second shaft 5 and the third shaft 4, two through holes are formed in the top side of the guard rail frame 1, two through holes respectively penetrate through the top sides of the rotating frame 2 and the first shaft 6 and are respectively and fixedly mounted with synchronizing wheels 10, the two synchronizing wheels 10 are sleeved with a same belt 11, a fixed sleeve matching frame 12 is connected on the rotating frame 2, a triangular block 20 is rotatably mounted on the matching frame 12, a same sliding rod 15 is arranged between the triangular block 20 and the striking plate 3, two sliders 16 are movably sleeved on the sliding rod 15, connecting rods 14 are rotatably mounted on two sides of the two sliders 16, the two connecting rods 14 located on the same side are rotatably mounted on the triangular block 20, the two connecting rods 14 on the other side are correspondingly rotatably mounted on the impact plate 3, when a vehicle impacts against the first roller 9, the first roller 9 rotates, the impact plate 3 enters a preset position, the second shaft 5 and the third shaft 4 are fixedly connected with the handrail frame 1, the second roller 8 and the third roller 7 are respectively rotatably connected with the second shaft 5 and the third shaft 4, therefore, the first roller 9 not only plays a role in triggering, but also can guide the out-of-control vehicle, and the second roller 8 and the third roller 7 are used for guiding the vehicle, so that the impact force of the vehicle on the handrail frame 1 is reduced.

In the invention, the matching groove 21 is formed on the matching frame 12, the matching hole 22 is formed on the triangular block 20, the matching shaft 23 is movably arranged in the matching hole 22, and two ends of the matching shaft 23 are respectively and fixedly arranged on the inner walls of two sides of the matching groove 21, so that the matching frame 12 is convenient to rotate.

In the invention, a connecting plate 24 is fixedly arranged on one side of the impact plate 3 close to the rotating frame 2, two connecting rods 14 positioned on the same side are both rotatably arranged on the connecting plate 24, and the impact plate 3 drives the two connecting rods 14 to rotate through the connecting plate 24.

In the invention, two energy-absorbing springs 17 are sleeved on the sliding rod 15, the ends, close to each other, of the two energy-absorbing springs 17 are respectively contacted with the two sliding blocks 16, the two ends of the sliding rod 15 are respectively and fixedly provided with the stop blocks 26, the ends, far away from each other, of the two energy-absorbing springs 17 are respectively contacted with the two stop blocks 26, and the force generated by collision is absorbed through the energy-absorbing springs 17, so that the generation of secondary accidents is prevented.

According to the invention, mounting frames 29 are fixedly mounted on two sides of a sliding rod 15, rotating shafts 25 are fixedly mounted in the mounting frames 29, grooves 30 are formed in two locking plates 13, rotating holes are formed in inner walls of two sides of each groove 30, two ends of each rotating shaft 25 penetrate through the two rotating holes, a torsion spring is sleeved on each rotating shaft 25, one end of each torsion spring is fixedly mounted on each locking plate 13, the other end of each torsion spring is fixedly mounted on the mounting frame 29, when the locking plates 13 move rightwards, the movement of the locking teeth can be limited, and when unlocking is needed after energy absorption is completed, the situation that the torsion springs rotate until the locking teeth are separated can be overcome.

In the invention, two locking tooth plates 28 are fixedly arranged on the matching frame 12, a plurality of locking teeth are arranged on the side, close to each other, of each locking tooth plate 28 and the corresponding locking plate 13, the two locking teeth are meshed, the locking plates 13 are tightly pressed to be matched with the locking tooth plates 28, and when the sliding rods 15 drive the locking plates 13 to move leftwards, the locking teeth cannot limit the movement of the locking plates 13.

According to the invention, the stop block 18 is fixedly arranged on the railing frame 1, the lug 19 is fixedly arranged on the rotating frame 2, the lug 19 is matched with the stop block 18, and the blocking angle of the rotating frame 2 is limited by the blocking lug 19 of the stop block 18.

In the invention, a rotating frame groove 27 is arranged on the railing frame 1, and the bottom side of the rotating frame 2 is rotatably arranged in the rotating frame groove 27.

The working principle of the invention is as follows:

the railing frame 1 is fixed on two sides of a road surface, when a vehicle is out of control and collides with the guardrail on the road surface, the railing frame 1 is in contact with a third roller 7, a second roller 8 and a first roller 9, so that a third shaft 4, a second shaft 5 and the first shaft 6 rotate, at the moment, the first shaft 6 rotates to enable a synchronizing wheel 10 to drive a belt 11 to rotate, the belt 11 drives a rotating frame 2 to rotate through another synchronizing wheel 10, so that the rotating frame 2 enables a collision plate 3 to be taken out of the railing frame 1 to guide the vehicle to collide with the collision plate 3, when the vehicle collides with the first roller 9, the first roller 9 rotates to enable the collision plate 3 to enter a preset position, the second shaft 5 and the third shaft 4 are fixedly connected with the railing frame 1, and the second roller 8 and the third roller 7 are respectively and rotatably connected with the second shaft 5 and the third shaft 4, so that the first roller 9 not only plays a triggering role but also can guide the vehicle out of control, and the second roller 8, The third rollers 7 are guiding vehicles, reducing the impact force on the handrail frame 1, and one synchronizing wheel 10 is temporarily and fixedly connected with the first shaft 6, that is, the contact surface of one synchronizing wheel 10 and the first shaft 6 transmits power through friction, so as to achieve the following purposes: when the torque is less than or equal to the maximum friction force, one synchronous wheel 10 can transmit the required torque; when the torque is larger than the maximum friction force, one synchronous wheel 10 slips, the other synchronous wheel 10 is fixedly connected with the rotating frame 2, a rotating lug 19 is arranged on the rotating frame 2, a limiting block 18 is arranged on the railing frame 1, because the first roller 9 is driven to rotate by the collision of the automobile by a far larger angle than the rotating angle required by the rotating frame 2, when the first roller 9 is continuously driven by the collision of the automobile with the limiting block 18, the temporary fixed connection at the position of the synchronous wheel 10 on the first shaft 6 is acted, the synchronous wheel 10 does not rotate, the first shaft 6 idles, the two connecting rods 14 are driven to move by the connecting blocks, and then the two sliders 16 move towards the two ends of the sliding rod 15, and the energy-absorbing spring 17 is compressed, the sliding rod 15 horizontally moves towards the left, meanwhile, the locking plate 13 ensures that the sliding rod 15 is always horizontal, on the other hand, the sliding rod 15 can only move leftwards in a single direction (can not move rightwards), guarantee like this that vehicle kinetic energy is absorbed by energy-absorbing spring 17 and can not release and cause the secondary accident, the lock tooth board 28 and cooperation frame 12 fixed connection, lock plate 13 rotates with slide bar 15 to be connected, and be provided with the torsional spring in it, compress tightly lock plate 13 all the time to with the cooperation of lock tooth board 28, when slide bar 15 drives lock plate 13 and moves left, the lock tooth can not restrict its motion, when lock plate 13 moves right, the lock tooth then can restrict its motion, when the energy-absorbing is accomplished the back and need the unblock, it can to overcome the torsional spring and rotate to the lock tooth and break away from.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A rail guard with an energy-absorbing device for alleviating road surface collision comprises a rail frame (1), and is characterized in that: the guardrail frame (1) is rotatably provided with a rotating frame (2), one side of the rotating frame (2) is provided with a striking plate (3), the guardrail frame (1) is rotatably provided with a first shaft (6), the guardrail frame (1) is fixedly provided with a second shaft (5) and a third shaft (4), the first shaft (6) is fixedly provided with three first rollers (9), the second shaft (5) is rotatably provided with three second rollers (8), the third shaft (4) is rotatably provided with three third rollers (7), the top side of the guardrail frame (1) is provided with two through holes, the top sides of the rotating frame (2) and the first shaft (6) respectively penetrate through the two through holes and are fixedly provided with synchronizing wheels (10), the two synchronizing wheels (10) are sleeved with a same belt (11), the rotating frame (2) is fixedly sleeved with a matching frame (12), and the matching frame (12) is rotatably provided with a triangular block (20), a same sliding rod (15) is arranged between the triangular block (20) and the impact plate (3), two sliding blocks (16) are movably sleeved on the sliding rod (15), connecting rods (14) are rotatably mounted on two sides of the two sliding blocks (16), the two connecting rods (14) positioned on the same side are rotatably mounted on the triangular block (20), and the two connecting rods (14) on the other side are rotatably mounted on the impact plate (3); two energy-absorbing springs (17) are sleeved on the sliding rod (15), one ends, close to each other, of the two energy-absorbing springs (17) are respectively in contact with the two sliding blocks (16), stop blocks (26) are fixedly mounted at two ends of the sliding rod (15), and one ends, far away from each other, of the two energy-absorbing springs (17) are respectively in contact with the two stop blocks (26).

2. A crash barrier with energy absorbing means for mitigating road surface crashes as set forth in claim 1, wherein: the matching frame (12) is provided with a matching groove (21), the triangular block (20) is provided with a matching hole (22), a matching shaft (23) is movably mounted in the matching hole (22), and two ends of the matching shaft (23) are fixedly mounted on the inner walls of two sides of the matching groove (21) respectively.

3. A crash barrier with energy absorbing means for mitigating road surface crashes as set forth in claim 1, wherein: one side of the impact plate (3) close to the rotating frame (2) is fixedly provided with a connecting plate (24), and two connecting rods (14) positioned on the same side are rotatably arranged on the connecting plate (24).

4. A crash barrier with energy absorbing means for mitigating road surface crashes as set forth in claim 1, wherein: the equal fixed mounting in both sides of slide bar (15) has mounting bracket (29), and fixed mounting has rotation axis (25) in mounting bracket (29), all sets up recess (30) on two lock boards (13), has all seted up rotatory hole on the both sides inner wall of recess (30), and two rotatory holes are run through at the both ends of rotation axis (25), have cup jointed the torsional spring on rotation axis (25), and the one end fixed mounting of torsional spring is on lock board (13), and the other end fixed mounting of torsional spring is on mounting bracket (29).

5. A crash barrier with energy absorbing means for mitigating road surface crashes as set forth in claim 1, wherein: the matching frame (12) is fixedly provided with two lock tooth plates (28), one side of each lock tooth plate (28) close to the lock plate (13) is provided with a plurality of lock teeth, and the two lock teeth are meshed with each other.

6. A crash barrier with energy absorbing means for mitigating road surface crashes as set forth in claim 1, wherein: a limiting block (18) is fixedly mounted on the railing frame (1), a convex block (19) is fixedly mounted on the rotating frame (2), and the convex block (19) is matched with the limiting block (18).

7. A crash barrier with energy absorbing means for mitigating road surface crashes as set forth in claim 1, wherein: the railing frame (1) is provided with a rotating frame groove (27), and the bottom side of the rotating frame (2) is rotatably arranged in the rotating frame groove (27).