Protective fence for highway bridge design

Abstract

The utility model discloses a protective fence for highway bridge design, which relates to the technical field of protective fences and comprises two fixed bases, protective fence supporting rods are inserted into the tops of the two fixed bases, two connecting rods are arranged on the sides, close to each other, of the two protective fence supporting rods, and the connecting rods are connected with the protective fence supporting rods. The fixing mechanism comprises two connecting rods, one side of each connecting rod is fixedly connected with two sliding groove blocks, the interiors of the sliding groove blocks are fixedly connected with first dampers, and one ends of the first dampers are fixedly connected with first sliding blocks. According to the convenient-to-disassemble guardrail, the fixed base, the guardrail supporting rod, a third groove, a connecting strip, a fourth spring, a clamping block and a fourth groove are matched with one another during use, so that the guardrail can be directly disassembled by pulling a pull rod during use, the disassembly efficiency is greatly improved, a worker can quickly complete replacement of the damaged guardrail, and the practicability is high. And the guardrail can be put into use more quickly.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrails, in particular to a guardrail designed for a highway bridge. Background Art

[0002] In real life, in order to ensure the safety of pedestrians and vehicles on highway bridges, bridge guardrails are essential safety protection facilities on bridges. Reasonable setting of guardrails can absorb the impact energy of cars to the maximum extent and reduce the damage to drivers and passengers.

[0003] According to a guardrail designed based on a highway bridge disclosed in application number 202122361683.1, it includes a support assembly, a first buffer assembly and a second buffer assembly arranged on the ground: the first buffer assembly includes a back plate, a buffer plate, multiple groups of telescopic columns, multiple first springs, multiple telescopic tubes and a liquid storage box, multiple telescopic columns are used to connect the buffer plate and the back plate, multiple first springs are sleeved on the telescopic columns to buffer the collision of the buffer plate, the liquid storage box is fixedly arranged on the back side of the back plate, and the liquid storage box is used to store liquid, the telescopic tube is connected to the liquid storage box, and the other end of the telescopic tube is fixedly connected to the buffer plate, and the telescopic tube can buffer the collision of the buffer plate. The utility model improves the overall support strength and anti-collision effect of the guardrail, while weakening the reaction force of the guardrail on the vehicle, avoiding rigid contact between the guardrail and the vehicle, and reducing the harm of the accident.

[0004] The guardrails designed for existing highway bridges can reduce the harm of accidents when they occur, but when they need to be replaced after being damaged, the entire guardrail needs to be replaced. Since the guardrails are installed in a fixed structure, the replacement is very time-consuming, which greatly increases the workload of the staff and makes it impossible to put them into use as soon as possible due to the time consumption. For this reason, we propose a guardrail designed for highway bridges. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a guardrail designed for a highway bridge, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a guardrail designed for a highway bridge, comprising two fixed bases, guardrail support rods are inserted into the tops of the two fixed bases, two connecting rods are arranged on the sides where the two guardrail support rods are close to each other, two slide blocks are fixedly connected on one side of the two connecting rods, a first damper is fixedly connected inside the slide block, a first slider is fixedly connected at one end of the first damper, the first slider is slidably connected inside the slide block, a connecting plate is fixedly connected on the sides where the four first sliders are close to each other, a first spring is arranged on the outside of the first damper, a buffer mechanism is arranged on the side where the connecting rod and the guardrail support rod are close to each other, and a fixing mechanism is arranged on the side where the guardrail support rod and the fixed base are close to each other.

[0007] Preferably, the buffer mechanism includes two second grooves, the two second grooves are opened on the side where the two guardrail support rods are close to each other, a second damper is fixedly connected inside the second groove, a second slider is fixedly connected to one end of the second damper, the second slider is slidably connected to the second groove, and a second spring is arranged on the outer side of the second damper, which can effectively protect the vehicle from accidental collision while driving and buffer the vehicle, thereby effectively improving the safety of the vehicle.

[0008] Preferably, the fixing mechanism includes two third grooves, the two third grooves are opened inside the fixed base and located on both sides of the guardrail support rod, a fourth spring is arranged inside the third groove, one end of the fourth spring is fixedly connected with a clamping block, fourth grooves are opened on corresponding sides of the guardrail support rod, the clamping block is clamped with the fourth groove, the clamping block is slidably connected with the third groove, a connecting strip is fixedly connected on one side of the clamping block and located inside the fourth spring, and a pull rod is fixedly connected on one side of the two connecting strips close to each other and located on the outside of the fixed base, so that when the guardrail is damaged, it can be quickly disassembled to improve the efficiency of replacement.

[0009] Preferably, a plurality of third springs are fixedly connected to one side of the connecting plate, a buffer plate is fixedly connected to one end of the plurality of third springs, and buffer cotton blocks are provided on the side where the buffer plate and the connecting plate are close to each other and above and below the plurality of third springs, which is beneficial to buffer the impact of the vehicle, thereby effectively protecting the vehicle.

[0010] Preferably, first grooves are provided on both sides of the fixed base, and bolts are threadedly connected inside the first grooves and on both corresponding sides, so as to facilitate the installation of the fixed base, thereby improving the stability of the guardrail.

[0011] Preferably, a flower basket is fixedly connected to the top of one of the connecting rods and located above the two slide blocks, and water flow grooves are provided on both sides of the flower basket to facilitate planting plants inside the flower basket, thereby improving the aesthetics of the guardrail.

[0012] The utility model provides a protective fence designed for a highway bridge, which has the following beneficial effects:

[0013] 1. The guardrail designed for the highway bridge adopts a fixing mechanism. When in use, the guardrail can be disassembled directly by pulling the pull rod through the cooperation of the fixed base, the guardrail support rod, the third slot, the connecting strip, the fourth spring, the block, and the fourth slot. The disassembly efficiency is greatly improved, so that the staff can quickly replace the damaged guardrail and put the guardrail into use faster.

[0014] 2. The guardrail designed for the highway bridge adopts a buffer mechanism, which can provide buffering when a vehicle collides with it through the cooperation of the first slider, the first spring, the slide block, the first damper, the second damper, the second spring, the second groove, and the second slider, thereby effectively preventing the vehicle from rushing out of the guardrail, and the buffering effect can be greatly improved through the connecting plate, the third spring, the buffer cotton block, and the buffer plate, thereby increasing the safety of the vehicle driver. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a side view of the utility model;

[0017] Figure 3 It is a rear view of the utility model;

[0018] Figure 4 It is a side view of the support rod and the base of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the buffer plate and the connecting plate of the utility model;

[0020] Figure 6 For this utility model Figure 2 Enlarged view of point A in .

[0021] In the figure: 1. fixed base; 2. guardrail support rod; 3. flower basket; 4. water flow channel; 5. connecting rod; 6. buffer plate; 7. pull rod; 8. bolt; 9. first groove; 10. connecting plate; 11. first slider; 12. first spring; 13. slide block; 15. first damper; 16. second damper; 17. second spring; 18. second groove; 19. second slider; 20. buffer cotton block; 21. third spring; 22. third groove; 23. connecting strip; 24. fourth spring; 25. block; 26. fourth groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figures 1 to 6 The utility model provides a technical solution: a guardrail designed for a highway bridge, comprising two fixed bases 1, guardrail support rods 2 are inserted at the tops of the two fixed bases 1, two connecting rods 5 are arranged on the side where the two guardrail support rods 2 are close to each other, and two slide blocks 13 are fixedly connected to one side of the two connecting rods 5, a first damper 15 is fixedly connected inside the slide block 13, a first slider 11 is fixedly connected to one end of the first damper 15, the first slider 11 is slidably connected inside the slide block 13, a connecting plate 10 is fixedly connected to the side where the four first sliders 11 are close to each other, a first spring 12 is arranged on the outside of the first damper 15, a buffer mechanism is arranged on the side where the connecting rod 5 and the guardrail support rod 2 are close to each other, and a fixing mechanism is arranged on the side where the guardrail support rod 2 and the fixed base 1 are close to each other.

[0024] The buffer mechanism includes two second grooves 18, and the two second grooves 18 are opened on the side where the two guardrail support rods 2 are close to each other. The second damper 16 is fixedly connected inside the second groove 18, and one end of the second damper 16 is fixedly connected to the second slider 19, and the second slider 19 is slidably connected to the second groove 18. A second spring 17 is arranged on the outer side of the second damper 16, which can effectively protect the vehicle from accidental collision during driving and buffer the vehicle, thereby effectively improving the safety of the vehicle. When the guardrail is hit, the front of the vehicle will directly touch the buffer plate 6, and buffering is performed through the cooperation of the buffer cotton block 20 and the third spring 21, and the first slider 11 at the bottom of the connecting plate 10 is driven to slide inside the slide groove block 13, and secondary buffering is performed through the cooperation of the first spring 12 and the first damper 15, so that the buffer plate 6 moves backward through the second slider 19, and the second slider 19 slides inside the second groove 18, and a third buffering is performed through the cooperation of the second damper 16 and the second spring 17.

[0025] The fixing mechanism includes two third grooves 22, which are opened inside the fixed base 1 and located on both sides of the guardrail support rod 2. A fourth spring 24 is arranged inside the third groove 22, and a clamping block 25 is fixedly connected to one end of the fourth spring 24. Fourth grooves 26 are opened on the corresponding two sides of the guardrail support rod 2, and the clamping block 25 is clamped with the fourth groove 26. The clamping block 25 is slidably connected to the third groove 22. A connecting strip 23 is fixedly connected to one side of the clamping block 25 and located inside the fourth spring 24. The two connecting strips 23 are fixedly connected to the outer side of the fixed base 1. It is fixedly connected with a pull rod 7. When the guardrail is damaged, the staff only needs to pull the two pull rods 7 to connect and pull the block 25 through the connecting strip 23, so as to drive the block 25 to leave the inside of the fourth slot 26 and squeeze the fourth spring 24, so as to pull out the guardrail support rod 2, and then the guardrail support rod 2 of the new guardrail can be inserted into the top of the fixed base 1, and the pull rod 7 can be loosened to make the compressed fourth spring 24 rebound, and the block 25 bounces back to the inside of the fourth slot 26, so as to fix the guardrail, so that when the guardrail is damaged, it can be quickly disassembled to improve the efficiency of replacement.

[0026] A plurality of third springs 21 are fixedly connected to one side of the connecting plate 10, and a buffer plate 6 is fixedly connected to one end of the plurality of third springs 21. Buffer cotton blocks 20 are provided on the side where the buffer plate 6 and the connecting plate 10 are close to each other and above and below the plurality of third springs 21, which is beneficial for buffering the impact of the vehicle, thereby effectively protecting the vehicle.

[0027] A first groove 9 is provided on both sides of the fixed base 1, and bolts 8 are threadedly connected inside the first groove 9 and on both sides thereof, which is convenient for installing the fixed base 1, thereby improving the stability of the guardrail. A flower basket 3 is fixedly connected to the top of one of the connecting rods 5 and located above the two slide blocks 13, and water troughs 4 are provided on both sides of the flower basket 3, which is convenient for planting plants inside the flower basket 3, thereby improving the aesthetics of the guardrail.

[0028] In summary, the guardrail designed for the highway bridge is in use. When the guardrail is hit, the front of the vehicle will directly touch the buffer plate 6, and the buffer cotton block 20 and the third spring 21 are used for buffering, and the first slider 11 at the bottom of the connecting plate 10 is driven to slide inside the slide block 13, and the first spring 12 and the first damper 15 are used for secondary buffering, so that the buffer plate 6 moves backward through the second slider 19, and the second slider 19 slides inside the second groove 18, and the second damper 16 and the second spring 17 are used for the third buffering. When the guardrail is damaged, the staff only needs to pull the two pull rods 7 to connect and pull the card block 25 through the connecting strip 23, so as to drive the card block 25 to leave the inside of the fourth groove 26 and squeeze the fourth spring 24, so as to pull out the guardrail support rod 2, and then the guardrail support rod 2 of the new guardrail can be inserted into the top of the fixed base 1, and the pull rod 7 is released to make the compressed fourth spring 24 rebound, and the card block 25 bounces back to the inside of the fourth groove 26, so as to fix the guardrail.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A guardrail designed for a highway bridge, comprising two fixed bases (1), characterized in that: A guardrail support rod (2) is inserted into the top of each of the two fixed bases (1); two connecting rods (5) are provided on the sides of the two guardrail support rods (2) close to each other; two slide blocks (13) are fixedly connected to one side of each of the two connecting rods (5); a first damper (15) is fixedly connected inside the slide block (13); one end of the first damper (15) is fixedly connected to a first slider (11); the first slider (11) is slidably connected inside the slide block (13); a connecting plate (10) is fixedly connected to the sides of the four first sliders (11) close to each other; a first spring (12) is provided on the outside of the first damper (15); a buffer mechanism is provided on the sides of the connecting rod (5) and the guardrail support rod (2) close to each other; and a fixing mechanism is provided on the sides of the guardrail support rod (2) and the fixed base (1) close to each other.

2. The guardrail designed for a highway bridge according to claim 1, characterized in that: The buffer mechanism comprises two second grooves (18), the two second grooves (18) being arranged on the sides of the two guardrail support rods (2) close to each other, a second damper (16) being fixedly connected inside the second groove (18), a second slider (19) being fixedly connected to one end of the second damper (16), the second slider (19) being slidably connected to the second groove (18), and a second spring (17) being arranged outside the second damper (16).

3. The guardrail designed for a highway bridge according to claim 1 is characterized by: The fixing mechanism comprises two third grooves (22), the two third grooves (22) are provided inside the fixing base (1) and are located on both sides of the guardrail support rod (2), a fourth spring (24) is provided inside the third groove (22), one end of the fourth spring (24) is fixedly connected to a clamping block (25), the corresponding two sides of the guardrail support rod (2) are provided with fourth grooves (26), the clamping block (25) is clamped with the fourth groove (26), the clamping block (25) is slidably connected to the third groove (22), a connecting strip (23) is fixedly connected to one side of the clamping block (25) and located inside the fourth spring (24), and a pull rod (7) is fixedly connected to the side where the two connecting strips (23) are close to each other and located outside the fixing base (1).

4. The guardrail designed for a highway bridge according to claim 1, characterized in that: A plurality of third springs (21) are fixedly connected to one side of the connecting plate (10), a buffer plate (6) is fixedly connected to one end of the plurality of third springs (21), and buffer cotton blocks (20) are provided on the side where the buffer plate (6) and the connecting plate (10) are close to each other and above and below the plurality of third springs (21).

5. The guardrail designed for a highway bridge according to claim 1, characterized in that: The fixed base (1) is provided with a first groove (9) on both sides, and bolts (8) are threadedly connected inside the first groove (9) and on both corresponding sides.

6. The guardrail designed for a highway bridge according to claim 1, characterized in that: A flower basket (3) is fixedly connected to the top of one of the connecting rods (5) and located above the two chute blocks (13), and water flow grooves (4) are provided on both sides of the flower basket (3).

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