CN220394282U

CN220394282U - Bridge telescoping device and bridge

Info

Publication number: CN220394282U
Application number: CN202321466716.1U
Authority: CN
Inventors: 李星锐; 黎晓芙
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-01-26
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a bridge expansion device and a bridge, and particularly relates to the field of expansion devices and bridges.

Description

Bridge telescoping device and bridge

Technical Field

The utility model relates to the technical field of expansion devices and bridges, in particular to a bridge expansion device and a bridge.

Background

In order to meet the requirements of bridge deck deformation, expansion joints are usually arranged between two beam ends, between a beam end and a bridge abutment or at the hinge position of a bridge. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, so that the expansion joint is firm and reliable, and the vehicle is smooth and free from sudden jump and noise when running; can prevent rainwater and garbage soil from penetrating and blocking; the installation, inspection, maintenance and dirt elimination are all simple and convenient. At the expansion joint, the railing and the bridge deck pavement are disconnected.

Telescoping device and bridge of prior art mainly include box girder body, expansion joint body, base, vertical guardrail and horizontal guardrail, and expansion joint body installs between the box girder body, when the vehicle passes through, will box girder body receives to rock, through displacement and the connection between the expansion joint with the superstructure.

But in the use, the expansion joint body directly exposes in the nature for a long time, can meet various factor influences, and other hard things are filled into easily to the inside elasticity seam recess of expansion joint body, lead to the expansion joint body to be unable to carry out the free movement, make the expansion joint damage easily, will seriously influence speed, travelling comfort and the safety of driving, cause driving incident even.

Disclosure of Invention

The utility model aims to solve the problems that in the use process, the expansion joint body is directly exposed in the nature for a long time and can be influenced by various factors, and other hard objects are easy to fill in an elastic joint groove in the expansion joint body, so that the expansion joint body cannot freely move, the expansion joint is easy to damage, the speed, the comfort and the safety of driving are seriously influenced, and even driving safety accidents are caused. The bridge expansion device and the bridge are provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a bridge telescoping device and bridge, includes the box girder body and the expansion joint body, the surface top fixedly connected with base of the box girder body, one side of base is provided with vertical guardrail, one side sliding connection of vertical guardrail has horizontal guardrail, the outward appearance one side of the expansion joint body is provided with atress protector, one side of vertical guardrail is provided with quick detachable construction, atress protector includes the rectangular plate, rectangular channel has been seted up to the inner wall of rectangular plate, a plurality of circular channel has been seted up to the inner wall of rectangular channel, rectangular plate and expansion joint body fixed connection.

The effects achieved by the components are as follows: through setting up atress protector and quick detachable construction for the internal structure of the expansion joint body can be protected to the difficult other hard thing of filling of the inside elastic seam recess of expansion joint, makes the guardrail under the circumstances of damage through quick detachable construction, can carry out local change, the daily maintenance of being convenient for.

Preferably, the bottom of the inner wall of the circular groove is fixedly connected with a circular loop bar, and the inner wall of the circular loop bar is slidably connected with a circular bar.

The effects achieved by the components are as follows: through setting up round bar and circular loop bar for round bar can slide at the inner wall of circular loop bar, and then cooperates other parts to play a role.

Preferably, one end of the round rod is fixedly connected with an iron plate, a spring is sleeved on the outer surface of the round rod, and two ends of the spring are fixedly connected with the outer surface of the iron plate and one end of the outer surface of the round sleeve rod respectively.

The effects achieved by the components are as follows: through setting up spring and iron plate for the iron plate can reset under the circumstances of atress, protects the expansion joint body.

Preferably, one side of the iron plate is fixedly connected with a first steel tooth, the inner wall of the first steel tooth is slidably connected with a second steel tooth, one side of the outer surface of the iron plate is fixedly connected with a limiting rod, one side of the rectangular plate is fixedly connected with a square block, a limiting hole is formed in the inner wall of the square block, and the limiting rod is slidably connected with the limiting hole.

The effects achieved by the components are as follows: through setting up spacing hole and gag lever post for the iron plate is when rectangular groove inner wall carries out the side-to-side movement, does not deviate the position.

Preferably, the easy-to-detach structure comprises a rectangular block, a clamping groove is formed in the inner wall of the rectangular block, and a clamping hole is formed in the inner wall of one side of the rectangular block.

The effects achieved by the components are as follows: through setting up draw-in groove and screens hole for vertical guardrail can install and dismantle.

Preferably, the inner wall sliding connection of draw-in groove has the connecting block, the round hole has been seted up to the inner wall of connecting block, round hole inner wall sliding connection has the screens pole, the inner wall size and the shape of round hole and the inner wall size and the shape looks adaptation of screens hole. The connecting block is fixedly connected with the vertical guardrail.

The effects achieved by the components are as follows: through setting up screens pole and round hole for vertical guardrail can be fixed at the draw-in groove inner wall on the rectangular block.

Preferably, the T-shaped groove is formed in the inner wall of the vertical guardrail, a T-shaped block is fixedly connected to one side of the transverse guardrail, a clamping block is slidably connected to one end of the inner wall of the T-shaped groove, and the T-shaped groove is slidably connected with the T-shaped block.

The effects achieved by the components are as follows: through setting up T type groove and T type piece for horizontal guardrail can remove at vertical guardrail inner wall, convenient to detach.

The bridge provided by the embodiment of the application has the corresponding technical effect due to the adoption of the bridge expansion device.

In summary, the beneficial effects of the utility model are as follows:

according to the utility model, the stress protection device is arranged, so that the first steel teeth and the second steel teeth on the iron plate can be reset through the springs under the left and right sides of the stress, and the elastic seam grooves in the expansion joint body are not easy to fill other hard objects, so that the internal structure of the expansion joint body can be still protected, and the driving safety and the driving comfort are further promoted.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional structure of an expansion joint agent bridge body according to the utility model;

FIG. 3 is a schematic perspective view of a force-bearing protective device according to the present utility model;

FIG. 4 is a schematic perspective view of a rectangular plate structure of the present utility model;

fig. 5 is a schematic perspective view of the iron plate structure of the present utility model;

FIG. 6 is an enlarged view of the utility model at A in FIG. 3;

FIG. 7 is a schematic perspective view of a vertical guardrail structure of the present utility model;

FIG. 8 is a schematic perspective view of a transverse guardrail structure of the present utility model;

legend description: 1. a box girder body; 2. an expansion joint body; 3. a base; 4. vertical guardrails; 5. a transverse guardrail; 6. a stress protection device; 61. a rectangular plate; 62. rectangular grooves; 63. a circular groove; 64. a round loop bar; 65. a round bar; 67. an iron plate; 68. a spring; 69. a first steel tooth; 610. a limit rod; 611. square blocks; 612. a limiting hole; 613. a second steel tooth; 7. an easy-to-detach structure; 71. rectangular blocks; 72. a clamping groove; 73. a clamping hole; 74. a connecting block; 75. a round hole; 76. a clamping rod; 77. a T-shaped groove; 78. a T-shaped block; 79. and a clamping block.

Detailed Description

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a bridge telescoping device and bridge, including box girder body 1 and expansion joint body 2, the surface top fixedly connected with base 3 of box girder body 1, one side of base 3 is provided with vertical guardrail 4, one side sliding connection of vertical guardrail 4 has horizontal guardrail 5, the outward appearance one side of expansion joint body 2 is provided with atress protector 6, one side of vertical guardrail 4 is provided with quick detachable construction 7, through setting up atress protector 6 and quick detachable construction 7, make the inside elastic seam recess of expansion joint body 2 be difficult for filling other hard thing, can protect the inner structure of expansion joint body 2, make the guardrail under the circumstances of damaging through quick detachable construction 7, can carry out local change, the daily maintenance of being convenient for.

The specific arrangement and function of the force-bearing guard 6 and the detachable structure 7 will be described in detail below.

Referring to fig. 2, 3 and 4, in this embodiment: the stress protection device 6 comprises a rectangular plate 61, a rectangular groove 62 is formed in the inner wall of the rectangular plate 61, a plurality of round grooves 63 are formed in the inner wall of the rectangular groove 62, and the rectangular plate 61 is fixedly connected with the expansion joint body 2. Through setting up atress protector 6 and quick detachable construction 7 for the inside elastic seam recess of expansion joint body 2 is difficult for filling other hard things, can protect the inner structure of expansion joint body 2, makes the guardrail under the circumstances of damage through quick detachable construction 7, can carry out local change, the daily maintenance of being convenient for. The bottom of the inner wall of the circular groove 63 is fixedly connected with a circular sleeve rod 64, and the inner wall of the circular sleeve rod 64 is slidably connected with a circular rod 65. By providing the round bar 65 and the round bar 64, the round bar 65 can slide on the inner wall of the round bar 64, and then can work in cooperation with other components. An iron plate 67 is fixedly connected to one end of the round rod 65, a spring 68 is sleeved on the outer surface of the round rod 65, and two ends of the spring 68 are fixedly connected with the outer surface of the iron plate 67 and one end of the outer surface of the round sleeve rod 64 respectively. Through setting up spring 68 and iron plate 67 for iron plate 67 can reset under the condition of atress, protects expansion joint body 2. One side fixedly connected with first steel tooth 69 of iron plate 67, the inner wall sliding connection of first steel tooth 69 has second steel tooth 613, and the outward appearance one side fixedly connected with gag lever post 610 of iron plate 67, one side fixedly connected with square piece 611 of rectangular plate 61, spacing hole 612 has been seted up to the inner wall of square piece 611, gag lever post 610 and spacing hole 612 sliding connection. By providing the limiting hole 612 and the limiting rod 610, the iron plate 67 does not deviate from the position when the inner wall of the rectangular groove 62 moves left and right.

Referring to fig. 5, in this embodiment: the easy-to-detach structure 7 includes a rectangular block 71, a clamping groove 72 is formed in the inner wall of the rectangular block 71, and a clamping hole 73 is formed in the inner wall of one side of the rectangular block 71. By providing the clamping groove 72 and the clamping hole 73, the vertical guardrail 4 can be installed and detached. The inner wall sliding connection of draw-in groove 72 has connecting block 74, and round hole 75 has been seted up to the inner wall of connecting block 74, and round hole 75 inner wall sliding connection has screens pole 76, and the inner wall size and the shape of round hole 75 and the inner wall size and the shape looks adaptation of screens hole 73. The connecting block 74 is fixedly connected with the vertical guardrail 4. By arranging the clamping rod 76 and the round hole 75, the vertical guardrail 4 can be fixed on the inner wall of the clamping groove 72 on the rectangular block 71. T-shaped grooves 77 are formed in the inner walls of the vertical guardrails 4, T-shaped blocks 78 are fixedly connected to one sides of the transverse guardrails 5, clamping blocks 79 are slidably connected to one ends of the inner walls of the T-shaped grooves 77, and the T-shaped grooves 77 are slidably connected with the T-shaped blocks 78. Through setting up T type groove 77 and T type piece 78 for horizontal guardrail 5 can remove at vertical guardrail 4 inner wall, convenient to detach.

The working principle, but need carry out the atress protection to expansion joint body 2, the box girder body 1 is receiving driving external force and is rocking about this moment, under the extrusion of atress this moment, make second steel tooth 613 extrusion drive first steel tooth 69 motion, make iron plate 67 carry out side-to-side motion, make gag lever post 610 on iron plate 67 slide at spacing hole 612 inner wall, and then make round bar 65 slide at circular loop bar 64 inner wall, make spring 68 be in compression or be in the flexible state, after the atress, receive compressed or flexible spring 68 under the reaction force this moment, make iron plate 67 reset, when box girder body 1 receives the external force and carries out the oscilaltion, make first steel tooth 69 slide at second steel tooth 613 inner wall, and then make atress protector 6 can protect expansion joint body 2 under the effect of atress external force. When the vertical guardrail 4 and the transverse guardrail 5 need to be disassembled, the clamping blocks 79 and the transverse guardrail 5 are lifted upwards at the moment, the T-shaped blocks 78 slide on the inner walls of the T-shaped grooves 77, and the transverse guardrail 5 is separated from the vertical guardrail 4. At this time, the clamping rod 76 is pulled out, so that the clamping rod 76 slides on the inner wall of the round hole 75 and the inner wall of the clamping hole 73, and the vertical guardrail 4 is pulled up, so that the connecting block 74 slides on the inner wall of the clamping groove 72, and further, the vertical guardrail 4 leaves the base 3.

Claims

1. The utility model provides a bridge telescoping device, includes the box girder body and the expansion joint body, its characterized in that: the outer surface top fixedly connected with base of box girder body, one side of base is provided with vertical guardrail, one side sliding connection of vertical guardrail has horizontal guardrail, the outward appearance one side of the expansion joint body is provided with atress protector, one side of vertical guardrail is provided with quick detachable construction, atress protector includes the rectangular plate, rectangular channel has been seted up to the inner wall of rectangular plate, a plurality of circular channel has been seted up to the inner wall of rectangular channel, rectangular plate and expansion joint body fixed connection.

2. A bridge expansion apparatus according to claim 1, wherein: the inner wall bottom fixedly connected with circular loop bar of circular groove, the inner wall sliding connection of circular loop bar has the round bar.

3. A bridge expansion apparatus according to claim 2, wherein: an iron plate is fixedly connected to one end of the round rod, a spring is sleeved on the outer surface of the round rod, and two ends of the spring are fixedly connected with the outer surface of the iron plate and one end of the outer surface of the round sleeve rod respectively.

4. A bridge expansion apparatus according to claim 3, wherein: one side fixedly connected with first steel tooth of iron plate, the inner wall sliding connection of first steel tooth has the second steel tooth, outward appearance one side fixedly connected with gag lever post of iron plate, one side fixedly connected with square piece of rectangular plate, spacing hole has been seted up to the inner wall of square piece, gag lever post and spacing hole sliding connection.

5. A bridge expansion apparatus according to claim 1, wherein: the quick detachable structure includes the rectangle piece, the draw-in groove has been seted up to the inner wall of rectangle piece, the screens hole has been seted up to one side inner wall of rectangle piece.

6. The bridge telescoping device of claim 5, wherein: the inner wall sliding connection of draw-in groove has the connecting block, the round hole has been seted up to the inner wall of connecting block, round hole inner wall sliding connection has the screens pole, the inner wall size and the shape of round hole and the inner wall size and the shape looks adaptation of screens hole, connecting block and vertical guardrail fixed connection.

7. A bridge expansion apparatus according to claim 1, wherein: t-shaped grooves are formed in the inner walls of the vertical guardrails, T-shaped blocks are fixedly connected to one sides of the transverse guardrails, clamping blocks are slidably connected to one ends of the inner walls of the T-shaped grooves, and the T-shaped grooves are slidably connected with the T-shaped blocks.

8. A bridge, characterized in that: comprising a bridge and a bridge extension device according to any one of claims 1 to 7.