Bridge guardrail buffering device

Abstract

The utility model relates to the field of buffering devices, and discloses a bridge guardrail buffering device which comprises supporting frames, two sets of supporting frames are connected through a guide rod a, a plurality of sets of dampers a are fixedly connected to the ends, close to the inner sides, of the supporting frames, and mounting frames are fixedly connected to the tail ends, close to the inner sides, of the dampers a. A guide rod b is slidably connected to the inner wall of the mounting frame, a mounting plate is fixedly connected to the tail end, close to the front, of the guide rod b, a damper b is fixedly connected to the back face of the mounting plate, a framework is mounted on the outer wall of the mounting plate, and an anti-collision assembly is fixedly connected to the inner wall of the framework and comprises a center shaft. The two ends of the center shaft are fixedly connected with the inner wall of the framework, and the outer wall of the center shaft is rotationally connected with a roller. According to the anti-collision device, impact force generated by collision can be removed from multiple directions through the roller, the mounting frame and the mounting plate, the buffering effect is better, and the safety of a driver is guaranteed while the device is not prone to being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of buffer device, especially bridge guardrail buffer device. BACKGROUND

[0002] Bridge guardrail buffer device is mainly used for protecting bridge structure, vehicle and the safety of the passenger, improves traffic safety, through reasonable design and installation, can effectively reduce the occurrence of traffic accidents, guarantees the smooth and safety of traffic transportation.

[0003] The bridge guardrail buffer device at present stage mainly protects the safety of vehicle and the passenger through energy absorption, dispersion of collision force, deceleration and shock absorption mode, protects the bridge structure from being damaged, but the guardrail buffer device at present stage can only shock absorption or buffering from one direction when being impacted, the buffering effect is not good, secondly, the installation adopts screw nut installation, needs the help of additional tool in the installation process, it is more troublesome, therefore, a bridge guardrail buffer device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortage, the utility model provides a bridge guardrail buffer device, aiming at improving the problems of poor buffering effect and needing the help of additional tool in installation in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a bridge guardrail buffer device, including support frame, two groups of support frame are connected through guide rod a between, the inner side one end of support frame is fixedly connected with several groups of damper a, the inner side end of damper a is fixedly connected with mounting frame, the inner wall of mounting frame is slidably connected with guide rod b, the front end of guide rod b is fixedly connected with mounting plate, the back of mounting plate is fixedly connected with damper b, the outer wall of mounting plate is installed with framework, the inner wall of framework is fixedly connected with anti -collision subassembly.

[0006] As a further description of the above technical scheme:

[0007] The back of framework is fixedly connected with cylindrical block, the outer wall of mounting plate is provided with circular groove, the inner wall of cylindrical block is slidably connected with pull rod, the inner wall of pull rod is slidably connected with two groups of clamping blocks, and the two groups of clamping blocks are elastically connected through reset spring between intervals.

[0008] As a further description of the above technical scheme:

[0009] The anti -collision subassembly includes center shaft, and the inner wall of framework is fixedly connected with the both ends of center shaft, and the outer wall of center shaft is rotatably connected with drum.

[0010] As a further description of the above technical scheme:

[0011] The inner wall of the mounting frame is in sliding connection with the outer wall of the guide rod a.

[0012] As a further description of the above technical solution:

[0013] The back of the damper b is fixedly connected with the inner wall of the mounting frame.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the cylindrical block is in plug connection with the inner wall of the circular groove.

[0016] As a further description of the above technical solution:

[0017] The two ends of the reset spring are fixedly connected with the inner sides of the two groups of clamping blocks.

[0018] As a further description of the above technical solution:

[0019] The outer wall of the clamping block is in contact with the outer wall of the mounting plate, and the outer wall of the clamping block is in contact with the inner wall of the cylindrical block.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, the mounting plate, the mounting frame and the roller are arranged, when the guardrail is impacted, the roller rotates to release part of the impact force, then the mounting plate and the mounting frame slide along the guide rod through the extrusion damper to release the impact force from front to back and left to right, so that the buffering effect is better, and buffering can be performed in multiple directions.

[0022] 2. In the utility model, the cylindrical block is arranged, in the process of mounting the guardrail, the cylindrical block is inserted into the circular groove in alignment, when disassembling, the two groups of clamping blocks are pressed inward, then the pull rod is pulled outward to make the clamping blocks completely retract, at this time, the skeleton can be disassembled together with the anti-collision assembly, and the disassembly and assembly are convenient without the need of additional tools. DRAWINGS

[0023] Fig. 1 It is an overall front view of the bridge guardrail buffering device.

[0024] Fig. 2 It is an overall back view of the bridge guardrail buffering device.

[0025] Fig. 3 It is a sectional view of the cylindrical block of the bridge guardrail buffering device.

[0026] LEGEND:

[0027] 1, support frame; 2, damper a; 3, guide rod a; 4, mounting frame; 5, mounting plate; 6, guide rod b; 7, damper b; 8, skeleton; 9, center shaft; 10, roller; 11, cylindrical block; 12, circular groove; 13, return spring; 14, clamping block; 15, pull rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Referring to Figs. 1-2 An embodiment provided by the utility model: a bridge guardrail buffer device, including support frame 1, two groups of support frame 1 are connected through guide rod a 3 between, support frame 1 is fixedly connected with several groups of damper a 2 on the inner side one end, and the damper is usually composed of damping material and damping structure, when the system is impacted or vibrated by external, the damper can absorb part of vibration energy, make the vibration amplitude of system reduce, thereby reach the effect of buffering, and damper a 2 is fixedly connected with mounting frame 4 on the inner side end, and the inner wall of mounting frame 4 is slidably connected with the outer wall of guide rod a 3, and mounting frame 4 can extrude damper a 2 and slide along guide rod a 3 when being impacted, and the inner wall of mounting frame 4 is slidably connected with guide rod b 6, and mounting plate 5 is fixedly connected with damper b 7 on the back of mounting plate 5, and the back of damper b 7 is fixedly connected with the inner wall of mounting frame 4, when mounting plate 5 is impacted, damper b 7 can slide along the outer wall of guide rod b 6 by extruding, and part of impact force can make mounting frame 4 extrude damper a 2 and slide along guide rod a 3, impact force can be unloaded from multiple directions, and the overall anti-collision effect of the device is improved, and mounting plate 5 is provided with skeleton 8 on the outer wall, and the inner wall of skeleton 8 is fixedly connected with anti-collision assembly, and the anti-collision assembly includes center shaft 9, and the both ends of center shaft 9 are fixedly connected with the inner wall of skeleton 8, and roller 10 is rotatably connected with the outer wall of center shaft 9, and roller 10 can effectively reduce the collision force between vehicle and guardrail, thereby reducing the possibility of accident occurrence and improving the safety of road traffic.

[0030] Referring to Figs. 2-3The cylindrical block 11 is fixedly connected to the back of the framework 8, a circular groove 12 is formed in the outer wall of the mounting plate 5, the outer wall of the cylindrical block 11 is inserted into the inner wall of the circular groove 12, the cylindrical block 11 is inserted into the circular groove 12 to fix the framework 8 on the mounting plate 5, the inner wall of the cylindrical block 11 is slidably connected with a pull rod 15, the inner wall of the pull rod 15 is slidably connected with two groups of clamping blocks 14, the two groups of clamping blocks 14 are elastically connected by a reset spring 13, the two ends of the reset spring 13 are fixedly connected with the two groups of clamping blocks 14 on the inner side, the surface of the clamping block 14 is provided as an inclined surface, in the process of inserting the cylindrical block 11 into the circular groove 12, the inner wall of the circular groove 12 extrudes the inclined surface of the clamping block 14 to make it extrude the reset spring 13 to retract, at the same time, the reset spring 13 generates an outward pushing force on the two groups of clamping blocks 14 due to the elastic force generated by the deformation, when the cylindrical block 11 is completely inserted into the circular groove 12, the clamping block 14 is popped out and abuts against the back of the mounting plate 5, the outer wall of the clamping block 14 is in contact with the outer wall of the mounting plate 5 to fix the framework 8 on the mounting plate 5, when it is needed to be removed, the two groups of clamping blocks 14 are pressed inward and the pull rod 15 is pulled outward to make the clamping block 14 completely retract and unable to pop out, the outer wall of the clamping block 14 is in contact with the inner wall of the cylindrical block 11.

[0031] Working principle: when the anti-collision assembly is impacted, the drum 10 is rotated to unload part of the impact force, at the same time, the framework 8 extrudes the damper b7 along the guide rod b6 to slide to unload part of the impact force, at the same time, the mounting plate 5 makes the mounting frame 4 extrude the damper a2 along the guide rod a3 to slide left and right to unload part of the impact force, the impact force can be buffered from multiple directions to improve the buffering and anti-collision effect of the guardrail, when the guardrail is installed, the cylindrical block 11 is directly inserted into the circular groove 12, the inclined surface of the clamping block 14 is retracted by extrusion, after the cylindrical block 11 is completely inserted into the circular groove 12, the clamping block 14 is popped out to hook the outer wall of the mounting plate 5 to install the anti-collision assembly on the mounting plate 5, which is convenient and improves the efficiency.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A bridge guardrail buffer device comprising a support frame (1), characterized in that: Two groups of the support frame (1) are connected through guide rod a (3), the support frame (1) is fixedly connected with a plurality of groups of damper a (2) on the inner side one end, the damper a (2) is fixedly connected with mounting bracket (4) on the inner side end, the mounting bracket (4) inner wall is slidably connected with guide rod b (6), the guide rod b (6) is fixedly connected with mounting plate (5) on the front end, the mounting plate (5) back is fixedly connected with damper b (7), the mounting plate (5) outer wall is installed with skeleton (8), the skeleton (8) inner wall is fixedly connected with anti -collision subassembly.

2. A bridge guardrail cushioning device according to claim 1, characterized in that: The skeleton (8) back is fixedly connected with cylindrical block (11), the mounting plate (5) outer wall is provided with circular groove (12), the cylindrical block (11) inner wall is slidably connected with pull rod (15), the pull rod (15) inner wall is slidably connected with two groups of clamping blocks (14), two groups of the clamping block (14) are elastically connected through reset spring (13) between the interval.

3. A bridge guardrail cushioning device according to claim 1, characterized in that: The anti -collision subassembly includes center shaft (9), the center shaft (9) both ends are fixedly connected with the inner wall of skeleton (8), the outer wall of center shaft (9) is rotatably connected with roller (10).

4. A bridge guardrail cushioning device according to claim 1, characterized in that: The mounting bracket (4) inner wall is slidably connected with the outer wall of guide rod a (3).

5. A bridge guardrail cushioning device according to claim 1, characterized in that: The damper b (7) back is fixedly connected with the inner wall of mounting bracket (4).

6. A bridge guardrail cushioning device according to claim 2, characterized in that: The cylindrical block (11) outer wall is inserted with the inner wall of circular groove (12).

7. A bridge guardrail cushioning device according to claim 2, characterized in that: The reset spring (13) both ends are fixedly connected with two groups of clamping blocks (14) on the inner side one end respectively.

8. A bridge guardrail cushioning device according to claim 2, characterized in that: The clamping block (14) outer wall is in contact with the outer wall of mounting plate (5), the clamping block (14) outer wall is in contact with the inner wall of cylindrical block (11). The clamping block (14) outer wall is in contact with the outer wall of mounting plate (5), the clamping block (14) outer wall is in contact with the inner wall of cylindrical block (11).

Images