CN214459942U

CN214459942U - Rail guard for road and bridge

Info

Publication number: CN214459942U
Application number: CN202023000461.9U
Authority: CN
Inventors: 刘立强; 刘立胜
Original assignee: Tianjin Changdasheng Municipal Landscape Engineering Co ltd
Current assignee: Tianjin Changdasheng Municipal Landscape Engineering Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-10-22
Anticipated expiration: 2030-12-15

Abstract

The utility model belongs to the technical field of bridge construction, in particular to a road and bridge protective guard, aiming at the problem of inconvenient installation and disassembly, the utility model provides a scheme which comprises a central upright post, wherein the central upright post is provided with a second cavity, four fourth springs are symmetrically arranged on the inner wall of the top part and the inner wall of the bottom part of the second cavity, and two fourth springs on the inner wall of the top part are fixedly provided with a same buckle block, the bottom of the buckle block is meshed with a buckle rod, the buckle rod extends out of the second cavity, a second unlocking rod is slidably connected in the buckle rod, the second unlocking rod is in sliding contact with the buckle block, the structure of the utility model is simple, the unlocking shell can be taken down from the protective rod by pulling a handle, when the unlocking shell is extruded to one side close to each other, the protective rod can be disassembled from the central upright post, thereby realizing the rapid disassembly and rapid installation of the protective guard, simple operation and convenient use.

Description

Rail guard for road and bridge

Technical Field

The utility model relates to a bridge construction technical field especially relates to a rail guard for road and bridge.

Background

The bridge guardrail is mainly used for protecting the side of a highway bridge, preventing out-of-control vehicles from crossing the bridge and has the functions of preventing the vehicles from passing through, running through, turning over the bridge and beautifying the bridge building.

In the using process of the guard rail, due to car accidents and damage to the guard rail caused by some human methods, the existing guard rail is frequently required to be detached and replaced in a whole section after being damaged, and the installation and the detachment are inconvenient, so a guard rail for roads and bridges is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the prior art that the installation and the disassembly are inconvenient, and providing a road and bridge protective guard.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a guard railing for a road and a bridge comprises a central upright post, wherein a second cavity is formed in the central upright post, four fourth springs are symmetrically arranged on the inner walls of the top and the bottom of the second cavity, two fourth springs on the inner wall of the top are fixedly provided with the same buckle block, the bottom of the buckle block is meshed with a buckle rod, the buckle rod extends out of the second cavity, a second unlocking rod is connected in the buckle rod in a sliding manner and is in sliding contact with the buckle block, a first spring is sleeved on the second unlocking rod and is fixedly arranged on the buckle rod, a protection rod is arranged on one side of the central upright post, a first cavity is formed in the protection rod, the buckle rod extends into the protection rod and is connected to the inner wall of the first cavity in a sliding manner, a second spring is fixedly arranged on the inner wall of the first cavity, one side of center pillar is equipped with the unblock shell, be equipped with the handle in the unblock shell, the both ends of handle are all rotated and are connected with the connecting rod, the one end of connecting rod is rotated and is connected with the pulling rod, sliding connection has first unblock pole on the inner wall of unblock shell, the cover is equipped with the third spring on the first unblock pole, third spring fixed mounting is on the inner wall of unblock shell, the pulling rod runs through first unblock pole and extends to in the protective rod, one side top sliding contact of second spring and first unblock pole, second unblock pole and first unblock pole sliding contact, one of second unblock pole serves fixed mounting has the fifth spring, the one end fixed mounting of fifth spring has the meshing piece, meshing piece and pulling rod sliding contact.

Preferably, one side of the bottom of the pulling rod is provided with a square bulge, the first unlocking rod is provided with a square bulge which is the same as the pulling rod, and the two square bulges are in sliding contact and used for driving the first unlocking rod to be pulled when the pulling rod is pulled.

Preferably, the unlocking shell is provided with an opening, the handle is connected in the opening in a sliding mode and used for keeping the handle straight up and down, and the connecting rod and the pulling rod cannot deviate.

Preferably, a sliding block is fixedly mounted at one end of the second unlocking rod, the sliding block is in sliding connection with a buckling block, a triangular groove matched with the buckling rod is formed in the buckling block, and the triangular groove is in sliding contact with the buckling rod and is used for unlocking the buckling block and meshing the buckling block with the buckling rod.

Preferably, a baffle is fixedly mounted on the second unlocking rod, and one side of the baffle is fixedly connected with the first spring and used for extruding the first spring on the buckle rod.

The utility model provides a beneficial effect is: the connecting rod can be pulled to pull the pulling rod by pulling the handle, the pulling rod retracts the meshing block into the second unlocking rod, at the moment, the meshing block is separated from the pulling rod, the first unlocking rod and the pulling rod are retracted into the unlocking shell after the meshing block is separated from the pulling rod, and the unlocking shell can be taken down;

the unlocking shell is extruded to one side close to each other, the second unlocking rod separates the buckle block from the buckle rod firstly, then the second unlocking rod and the buckle rod are retracted by extruding the unlocking shell, and at the moment, the protective rod can be detached;

the utility model discloses simple structure just can take off the unblock shell on the fender rod through pulling the handle, when extruding unblock shell to one side that is close to each other, just can pull down the fender rod on center pillar, has realized quick dismantlement and quick installation rail guard, easy operation, convenient to use.

Drawings

Fig. 1 is a front plan view of a guard rail for road and bridge according to the present invention;

fig. 2 is a partial side view of a guard rail for road and bridge according to the present invention;

fig. 3 is an enlarged schematic view of a structure a of the guard rail for road and bridge according to the present invention;

fig. 4 is an enlarged schematic view of the structure B of the guard rail for road and bridge according to the present invention.

In the figure: the locking device comprises a central upright post 1, a first chamber 2, a second chamber 3, a buckling rod 4, a first spring 5, an engaging block 6, a second spring 7, a first unlocking rod 8, a pulling rod 9, a connecting rod 10, a handle 11, a protective rod 12, an unlocking shell 13, a fifth spring 14, a third spring 15, a second unlocking rod 16, a buckling block 17 and a fourth spring 18.

Detailed Description

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

Referring to fig. 1-4, a guard rail for a road and bridge comprises a central upright post 1, wherein a second chamber 3 is arranged on the central upright post 1, four fourth springs 18 are symmetrically arranged on the inner wall of the top and the inner wall of the bottom of the second chamber 3, the two fourth springs 18 on the inner wall of the top are fixedly provided with the same buckle block 17, the bottom of the buckle block 17 is meshed with a buckle rod 4, the buckle rod 4 extends out of the second chamber 3, a second unlocking rod 16 is slidably connected with the buckle rod 4, the second unlocking rod 16 is in sliding contact with the buckle block 17, the second unlocking rod 16 is sleeved with a first spring 5, the first spring 5 is fixedly arranged on the buckle rod 4, one side of the central upright post 1 is provided with a protection rod 12, the protection rod 12 is provided with a first chamber 2, the buckle rod 4 extends into the protection rod 12 and is slidably connected on the inner wall of the first chamber 2, the inner wall of the first chamber 2 is fixedly provided with a second spring 7, an unlocking shell 13 is arranged on one side of the central upright post 1, a handle 11 is arranged in the unlocking shell 13, two ends of the handle 11 are rotatably connected with a connecting rod 10, one end of the connecting rod 10 is rotatably connected with a pulling rod 9, the inner wall of the unlocking shell 13 is slidably connected with a first unlocking rod 8, a third spring 15 is sleeved on the first unlocking rod 8, the third spring 15 is fixedly installed on the inner wall of the unlocking shell 13, the pulling rod 9 penetrates through the first unlocking rod 8 and extends into a protective rod 12, a second spring 7 is in sliding contact with the top of one side of the first unlocking rod 8, a second unlocking rod 16 is in sliding contact with the first unlocking rod 8, a fifth spring 14 is fixedly installed on one end of the second unlocking rod 16, an engaging block 6 is fixedly installed on one end of the fifth spring 14, and the engaging block 6 is in sliding contact with the pulling rod 9; one side of the bottom of the pulling rod 9 is provided with a square bulge, the first unlocking rod 8 is provided with a square bulge which is the same as the pulling rod 9, and the two square bulges are in sliding contact and used for driving the first unlocking rod 8 to be pulled when the pulling rod 9 is pulled; an opening is formed in the unlocking shell 13, the handle 11 is connected in the opening in a sliding mode and used for keeping the handle 11 straight up and down, and the connecting rod 10 and the pulling rod 9 cannot deviate; one end of the second unlocking rod 16 is fixedly provided with a sliding block, the sliding block is connected with the buckling block 17 in a sliding manner, the buckling block 17 is provided with a triangular groove matched with the buckling rod 4, and the triangular groove is in sliding contact with the buckling rod 4 and is used for unlocking the buckling block 17 and meshing the buckling block 17 with the buckling rod 4; a baffle is fixedly arranged on the second unlocking rod 16, and one side of the baffle is fixedly connected with the first spring 5 and is used for extruding the first spring 5 on the buckling rod.

In the utility model, when installing the protective guard, firstly bury the bottom of the central upright 1 in the road surface of the bridge, at this time pull out the handle 11 in the unlocking shell 13, the handle 11 is pulled to drive the connecting rod 10 to pull the pulling rod 9, at this time the pulling rod 9 will pull the first unlocking rod 8 upwards, when the first unlocking rods 8 at the two ends of the unlocking shell 13 are withdrawn, the unlocking shell 13 can be inserted into the guard bar 12, at this time the buckle rod 4 at one end of the guard bar 12 and the second unlocking rod 16 are directly inserted into the buried central upright 1, at this time, two unlocking shells 13 need to be extruded to one side close to each other, at this time the unlocking shell 13 will pull the buckle rod 4 and the second unlocking rod 16 to withdraw into the guard bar 12, at this time, the guard bar 12 can be aligned to the open pores of two central uprights 1, inserted into the central upright 1, and the unlocking shells 13 are loosened, the second spring 7 on the protective rod 12 rebounds to unlock the shell 13, the second unlocking rod 16 and the buckle rod 4, the second unlocking rod 16 is inserted into the central upright post 1 first to extrude the two buckle blocks 17, the second unlocking rod 16 is separated from the buckle blocks 17 after being continuously inserted, the buckle rod 4 is meshed with the two buckle blocks 17 after being separated, the protective rod 12 is fixed with the central upright post 1, the whole protective guard is fixed, the unlocking shell 13 is extruded to one side close to each other when the protective rod 12 needs to be disassembled, the second unlocking rod 16 separates the two buckle blocks 17 from the buckle rod 4 at the moment, the second unlocking rod 16 and the buckle rod 4 are retracted into the protective rod 12 at the moment, the protective guard 12 can be taken down at the moment, the handle 11 is pulled on the unlocking shell 13 when the unlocking shell 13 needs to be taken down, the handle 11 pulls the pulling rod 9, the pulling rod 9 separates the meshing block 6 from the first unlocking rod 8 towards the contracting block 6 in the second unlocking rod 16, at this time, the handle 11 is pulled again to withdraw the first unlocking rod 8 and the pulling rod 9 into the unlocking shell 13, and at this time, the unlocking shell 13 can be detached, so that the operation is simple and the use is convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A protective guard for a road and bridge comprises a central upright post (1) and is characterized in that a second cavity (3) is formed in the central upright post (1), four fourth springs (18) are symmetrically arranged on the inner wall of the top and the inner wall of the bottom of the second cavity (3), two fourth springs (18) on the inner wall of the top are fixedly provided with the same buckle block (17), the bottom of the buckle block (17) is meshed with a buckle rod (4), the buckle rod (4) extends out of the second cavity (3), a second unlocking rod (16) is connected in the buckle rod (4) in a sliding manner, the second unlocking rod (16) is in sliding contact with the buckle block (17), a first spring (5) is sleeved on the second unlocking rod (16), the first spring (5) is fixedly arranged on the buckle rod (4), a protective rod (12) is arranged on one side of the central upright post (1), the utility model discloses a safety lock, including guard bar (12) last seted up first cavity (2), buckle pole (4) extend to in guard bar (12) and sliding connection on the inner wall of first cavity (2), fixed mounting has second spring (7) on the inner wall of first cavity (2), one side of center pillar (1) is equipped with unblock shell (13), be equipped with handle (11) in unblock shell (13), the both ends of handle (11) are all rotated and are connected with connecting rod (10), the one end of connecting rod (10) is rotated and is connected with pulling rod (9), sliding connection has first unblock pole (8) on the inner wall of unblock shell (13), the cover is equipped with third spring (15) on first unblock pole (8), third spring (15) fixed mounting is on the inner wall of unblock shell (13), pulling rod (9) run through first unblock pole (8) and extend to in guard bar (12), second spring (7) and one side top sliding contact of first unblock pole (8), second unblock pole (16) and first unblock pole (8) sliding contact, one of second unblock pole (16) is served fixed mounting and is had fifth spring (14), the one end fixed mounting of fifth spring (14) has meshing piece (6), meshing piece (6) and pulling rod (9) sliding contact.

2. The guardrail for roads and bridges of claim 1, wherein one side of the bottom of the pulling rod (9) is provided with a square protrusion, the first unlocking rod (8) is provided with a square protrusion identical to the pulling rod (9), and the two square protrusions are in sliding contact.

3. Guard rail for roads and bridges according to claim 1, characterized in that said unlocking case (13) is provided with an opening, said handle (11) being slidingly coupled in said opening.

4. The road and bridge protection fence according to claim 1, wherein a sliding block is fixedly installed at one end of the second unlocking rod (16), the sliding block is in sliding connection with a buckling block (17), a triangular groove matched with the buckling rod (4) is formed in the buckling block (17), and the triangular groove is in sliding contact with the buckling rod (4).

5. The protective guard for road and bridge according to claim 1, wherein a baffle is fixedly mounted on the second unlocking rod (16), and one side of the baffle is fixedly connected with the first spring (5).