CN215629359U

CN215629359U - Rolling type anti-collision device for road bridge

Info

Publication number: CN215629359U
Application number: CN202120282559.3U
Authority: CN
Inventors: 李海城
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2022-01-25
Anticipated expiration: 2031-02-01

Abstract

The utility model provides a rolling type anti-collision device for a road bridge. Road bridge roll formula buffer stop includes: a base; the two fixing plates are fixedly arranged on the top of the base; the two through holes are respectively formed in the outer wall of one side of each of the two fixing plates; the two fixing rods are fixedly arranged in the two through holes respectively; the long rod is slidably mounted on the two fixing rods; the four rubber blocks are respectively sleeved on the two fixing rods in a sliding manner, and the outer walls of one sides of the four rubber blocks are respectively fixedly connected with the two long rods; and the four springs are respectively sleeved on the two fixing rods. The rolling type anti-collision device for the road bridge provided by the utility model has the advantages of capability of transferring force generated by collision, capability of buffering and convenience for replacing a damaged part.

Description

Rolling type anti-collision device for road bridge

Technical Field

The utility model relates to the technical field of protective equipment, in particular to a rolling type anti-collision device for a road bridge.

Background

The highway bridge engineering comprises main bridge engineering and auxiliary engineering facilities in a bridge position overall, the auxiliary engineering facilities are numerous, traffic accidents often occur during highway bridge operation, and in order to reduce casualties to the maximum extent, people often arrange an anti-collision device on a roadside to avoid overlarge casualties caused by the fact that a vehicle directly collides with the roadside.

However, the common road and bridge anti-collision device in the prior art, namely the anti-collision guardrail, is a typical cold-formed steel product, has a single structure, cannot effectively relieve the impact force caused by the vehicle by using a simple protective fence as a protective device, cannot change the collision angle of the vehicle by using the conventional anti-collision device, and has a poor anti-collision effect.

Therefore, there is a need to provide a new rolling type anti-collision device for road bridges to solve the above-mentioned technical problems.

Disclosure of Invention

The utility model aims to provide a rolling type anti-collision device for a road bridge, which has a guiding function and a buffering function.

In order to solve the technical problem, the utility model provides a rolling type anti-collision device for a road bridge, which comprises: a base; the two fixing plates are fixedly arranged on the top of the base; the two through holes are respectively formed in the outer wall of one side of each of the two fixing plates; the two fixing rods are fixedly arranged in the two through holes respectively; the long rod is slidably mounted on the two fixing rods; the four rubber blocks are respectively sleeved on the two fixing rods in a sliding manner, and the outer walls of one sides of the four rubber blocks are respectively fixedly connected with the two long rods; the four springs are respectively sleeved on the two fixing rods, one ends of the four springs are respectively fixedly connected with the inner walls of the two through holes, and the other ends of the four springs are respectively fixedly connected with the four rubber blocks; the four moving plates are respectively installed on the two fixed plates in a sliding mode; the four fixing bolts are respectively and fixedly arranged on the four moving plates, and the bottom ends of the four fixing bolts are fixedly connected with the long rod; the two rolling blocks are arranged on the long rod; the rubber ring is sleeved on the two rolling blocks; the rolling blocks are respectively embedded with a plurality of balls in a movable mode, and the outer wall of one side of each ball is in contact with the long rod.

Preferably, two limiting grooves are formed in the outer walls of the two sides of the moving plate, and one ends of the four moving plates respectively extend into the four limiting grooves and are in sliding connection with the inner walls of the limiting grooves.

Preferably, a first internal thread hole is formed in the top of the moving plate, a second internal thread hole is formed in the top of the long rod, one section of external thread is formed in the outer wall of the fixing bolt, the fixing bolt penetrates through the first internal thread hole, the bottom end of the fixing bolt extends into the second internal thread hole, and the fixing bolt is screwed with the inner walls of the first internal thread hole and the second internal thread hole.

Preferably, the two rolling blocks are provided with slots on the outer wall of one side close to each other, the two rolling blocks are fixedly provided with bumps on the outer wall of one side close to each other, and the two bumps respectively extend into the corresponding slots and are in sliding connection with the inner walls of the slots.

Preferably, a plurality of annular grooves are formed in the outer wall of the long rod, and one sides of the balls extend into the corresponding annular grooves respectively.

Compared with the related technology, the rolling type anti-collision device for the road bridge provided by the utility model has the following beneficial effects:

the utility model provides a rolling type anti-collision device for a road bridge, which has a buffering effect when being impacted by arranging a base, a fixed plate, a through hole, a fixed rod, a long rod, a rubber block, a spring, a movable plate and a fixed bolt, so that the impact of an impact main body on the long rod is reduced, and a vehicle is prevented from directly rushing out of a bridge or a viaduct when the impact is generated; through the setting of rolling piece, rubber circle and ball, reach the purpose that changes the striking direction, the object drives the rolling piece and rolls on the stock, disperses the impact force of straight long-pole, avoids producing bigger injury.

Drawings

Fig. 1 is a schematic structural view of a rolling type anti-collision device for a road bridge according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;

FIG. 3 is a side view of the mounting plate, through-hole, mounting rod and elongate rod of FIG. 2;

FIG. 4 is a side view of the assembly of the long rod, rolling blocks, rubber rings and balls shown in FIG. 1;

reference numbers in the figures: 1. a base; 2. a fixing plate; 3. a through hole; 4. fixing the rod; 5. a long rod; 6. a rubber block; 7. a spring; 8. moving the plate; 9. a fixing bolt; 10. a rolling block; 11. a rubber ring; 12. a ball bearing; 13. a bump; 14. and (4) a slot.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1 to fig. 4, fig. 1 is a schematic structural view of a rolling type anti-collision device for a road bridge according to a preferred embodiment of the present invention; FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1; FIG. 3 is a side view of the mounting plate, through-hole, mounting rod and elongate rod of FIG. 2; fig. 4 is a schematic view showing the assembly of the long rod, the rolling blocks, the rubber ring and the balls shown in fig. 1 in a side view. Public road bridge roof beam roll formula buffer stop includes: a base 1; the two fixing plates 2 are fixedly arranged on the top of the base 1; the two through holes 3 are respectively formed in the outer wall of one side of each of the two fixing plates 2; the two fixing rods 4 are respectively and fixedly arranged in the two through holes 3; the long rod 5 is slidably mounted on the two fixing rods 4; the four rubber blocks 6 are respectively sleeved on the two fixing rods 4 in a sliding manner, and the outer walls of one sides of the four rubber blocks 6 are respectively fixedly connected with the two long rods 5; the four springs 7 are respectively sleeved on the two fixing rods 4, one ends of the four springs 7 are respectively fixedly connected with the inner walls of the two through holes 3, and the other ends of the four springs 7 are respectively fixedly connected with the four rubber blocks 6; the four moving plates 8 are respectively arranged on the two fixed plates 2 in a sliding manner; the four fixing bolts 9 are respectively and fixedly arranged on the four moving plates 8, and the bottom ends of the four fixing bolts 9 are fixedly connected with the long rod 5; two rolling blocks 10, wherein the two rolling blocks 10 are both arranged on the long rod 5; the rubber ring 11 is sleeved on the two rolling blocks 10; a plurality of rolling balls 12, wherein the rolling balls 12 are respectively movably embedded on the two rolling blocks 10, and one side outer wall of the rolling balls 12 is in contact with the long rod 5.

Two limiting grooves are formed in the outer walls of the two sides of the moving plate 8, and four ends of the moving plate 8 extend into the four limiting grooves respectively and are connected with the inner walls of the limiting grooves in a sliding mode.

First internal thread hole has been seted up at the top of movable plate 8, second internal thread hole has been seted up at the top of stock 5, one section external screw thread has been seted up on the outer wall of gim peg 9, gim peg 9 runs through first internal thread hole just the bottom of gim peg 9 extends to in the second internal thread hole, gim peg 9 with first internal thread hole with the inner wall in second internal thread hole closes mutually soon.

Two all seted up slot 14 on the lateral wall that the rolling piece 10 is close to each other, and two equal fixed mounting has lug 13 on the lateral wall that the rolling piece 10 is close to each other, two lug 13 extends to respectively corresponding in the slot 14 and with the inner wall sliding connection of slot 14.

A plurality of annular grooves are formed in the outer wall of the long rod 5, and one sides of the balls 12 extend into the corresponding annular grooves respectively.

The working principle of the rolling type anti-collision device for the road bridge provided by the utility model is as follows: when the road bridge rolling type anti-collision device is used, firstly, the base 1 is fixedly arranged at two sides of a road bridge through bolts, when the anti-collision device is impacted, the position which is firstly contacted with a vehicle is the rubber ring 11 sleeved on the rolling block 10, the vehicle pushes the rubber ring 11 to push the rolling block 10 to rotate, meanwhile, a certain thrust is exerted on the long rod 5 in the rolling block 10 to push the long rod 5 to move towards one side of the through hole 3 along the two fixing rods 4, the springs 7 on the fixing rods 4 deform towards the moving direction of the long rod 5, wherein the two springs 7 are stretched, the other two springs 7 are compressed, meanwhile, the springs 7 and the rubber ring 11 can absorb the energy generated by the impact, the impact force generated by the continuous impact of the vehicle is reduced, the larger damage generated by the impact is avoided, when the long rod 5 is damaged, the fixing bolt 9 is screwed out from the movable plate 8, and the rubber ring 11 is simultaneously dismounted from the two rolling blocks 10, the rod 5 can be replaced by disconnecting the projection 13 from the slot 14.

the utility model provides a rolling type anti-collision device for a road bridge, which has a buffering effect when being impacted by the arrangement of a base 1, a fixed plate 2, a through hole 3, a fixed rod 4, a long rod 5, a rubber block 6, a spring 7, a movable plate 8 and a fixed bolt 9, so that the impact of an impacting main body on the long rod 5 is reduced, and the vehicle is prevented from directly rushing out of the bridge or a viaduct when the impact is generated; through the setting of rolling piece 10, rubber circle 11 and ball 12, reach the purpose that changes the striking direction, the object drives rolling piece 10 and rolls on stock 5, disperses the impact force of straight long-rod 5, avoids producing bigger injury.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a road bridge roll formula buffer stop which characterized in that includes:

a base;

the two fixing plates are fixedly arranged on the top of the base;

the two through holes are respectively formed in the outer wall of one side of each of the two fixing plates;

the two fixing rods are fixedly arranged in the two through holes respectively;

the long rod is slidably mounted on the two fixing rods;

the four rubber blocks are respectively sleeved on the two fixing rods in a sliding manner, and the outer walls of one sides of the four rubber blocks are respectively fixedly connected with the two long rods;

the four springs are respectively sleeved on the two fixing rods, one ends of the four springs are respectively fixedly connected with the inner walls of the two through holes, and the other ends of the four springs are respectively fixedly connected with the four rubber blocks;

the four moving plates are respectively installed on the two fixed plates in a sliding mode;

the four fixing bolts are respectively and fixedly arranged on the four moving plates, and the bottom ends of the four fixing bolts are fixedly connected with the long rod;

the two rolling blocks are arranged on the long rod;

the rubber ring is sleeved on the two rolling blocks;

the rolling blocks are respectively embedded with a plurality of balls in a movable mode, and the outer wall of one side of each ball is in contact with the long rod.

2. The road bridge rolling type anti-collision device according to claim 1, wherein limiting grooves are formed in outer walls of two sides of each of the two moving plates, and one ends of the four moving plates extend into the four limiting grooves and are connected with inner walls of the limiting grooves in a sliding mode.

3. The rolling type road bridge anti-collision device according to claim 2, wherein a first internal thread hole is formed in the top of the moving plate, a second internal thread hole is formed in the top of the long rod, an external thread is formed on the outer wall of the fixing bolt, the fixing bolt penetrates through the first internal thread hole, the bottom end of the fixing bolt extends into the second internal thread hole, and the fixing bolt is screwed with the inner walls of the first internal thread hole and the second internal thread hole.

4. The road bridge rolling type anti-collision device according to claim 1, wherein slots are formed in outer walls of the two adjacent rolling blocks, and protruding blocks are fixedly mounted on the outer walls of the two adjacent rolling blocks, and extend into the corresponding slots and are slidably connected with inner walls of the slots.

5. The rolling type anti-collision device for road bridges as claimed in claim 1, wherein a plurality of annular grooves are formed in the outer wall of the long rod, and one sides of the plurality of balls extend into the corresponding annular grooves respectively.