CN220789391U

CN220789391U - Prefabricated bridge

Info

Publication number: CN220789391U
Application number: CN202322391200.1U
Authority: CN
Inventors: 梁东; 王乐宁; 王恒; 洪成晶
Original assignee: China Road and Bridge Corp
Current assignee: China Road and Bridge Corp
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-16
Anticipated expiration: 2033-09-04

Abstract

The utility model discloses a prefabricated bridge, which comprises a bridge pier, wherein the top of the bridge pier is fixedly connected with a mounting frame, the bottom of the mounting frame is fixedly connected with a connecting block, and a fixed column is fixedly connected between the bottom of the connecting block and the bridge pier; this prefabricated bridge adds concrete from pier lateral wall top, the concrete can fall into the sliding plate top, the sliding plate has the trend of gliding downwards after bearing the gravity of concrete, but under the elasticity of first spring and the frictional force combined action between card post and the pier inner wall, the sliding plate descends slowly, the concrete can be constantly pile up at the sliding plate top this moment, along with the sliding plate slowly descends, until the sliding plate slides to the spout bottom, because the concrete pile up slowly at the sliding plate top and descend slowly along with the sliding plate, so the concrete can utilize self gravity effect to pile up each other, the compaction, reduce the bubble and the production in space between the concrete, reduce the probability of hole appearing.

Description

Prefabricated bridge

Technical Field

The utility model relates to the technical field of bridge preassembling, in particular to a prefabricated bridge.

Background

As the name implies, unlike the traditional bridge construction modes such as steel bar binding, concrete pouring and the like in site construction, for an assembled bridge, part or all of the components of the lower structure and the upper structure of the bridge are transported to a construction site to be hoisted and spliced into a bridge main body after being processed and formed in a prefabricated component factory, all the components of the bridge are mechanically connected through pre-buried hole sites, pre-buried steel bars and connecting devices which are processed in the prefabrication production process, grouting is carried out by using grouting sleeves in the components, so that the gaps among the components are fully filled with concrete, and the whole strengthening effect is achieved.

The prior assembled concrete pier column has the advantages that the prior assembled concrete pier column is mainly of a hollow structure, after the prior assembled concrete pier column is assembled, the interior of the prior assembled concrete pier column is grouted, so that the strength of the concrete structure is enhanced, but the concrete can quickly enter the inner cavity of the pier in the grouting process, as the inner cavity of the pier cannot be compacted like normal flat pouring concrete, the concrete poured in the inner cavity of the pier can be compacted, gaps and bubbles usually exist in the concrete poured in the inner cavity of the pier, partial holes exist after the concrete is solidified, and the quality of the pier can be influenced.

Disclosure of Invention

The present utility model is directed to a prefabricated bridge, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a prefabricated bridge, includes the pier, pier top fixedly connected with mounting bracket, mounting bracket bottom fixedly connected with connecting block, fixedly connected with fixed column between connecting block bottom and the pier, pier inner chamber fixedly connected with elastic component still includes:

the elastic component includes first spring, sliding plate, second spring and card post, and sliding plate slidable mounting is in the pier inner chamber, fixedly connected with first spring between sliding plate bottom and the diapire in the pier, sliding plate inner chamber sliding connection has the card post, fixedly connected with second spring between card post tip and the sliding plate inner wall.

Preferably, the inner wall of the pier is provided with a chute, the clamping column is in sliding connection with the chute, the side wall of the bottom of the chute is provided with a clamping groove, and the clamping column can penetrate through the clamping groove to extend to the outer side of the pier.

Preferably, the top of the side wall of the bridge pier is provided with a first hole, and the side wall of the bridge pier at the bottom of the chute is provided with a second hole.

Preferably, the connecting block bottom threaded connection has first screw bolt, connecting block and fixed column are provided with the multiunit.

Preferably, the side edge of the bottom of the mounting frame is connected with a second threaded bolt in a threaded manner, and the second threaded bolt is connected with the top of the pier in a threaded manner.

Preferably, the mounting frames are provided with a plurality of groups, and third threaded bolts are connected between the mounting frames in a threaded manner.

Advantageous effects

The utility model provides a prefabricated bridge, which has the following beneficial effects:

this prefabricated bridge adds concrete from pier lateral wall top, the concrete can fall into the sliding plate top, the sliding plate has the trend of gliding downwards after bearing the gravity of concrete, but under the elasticity of first spring and the frictional force combined action between card post and the pier inner wall, the sliding plate descends slowly, the concrete can be constantly pile up at the sliding plate top this moment, along with the sliding plate slowly descends, until the sliding plate slides to the spout bottom, because the concrete pile up slowly at the sliding plate top and descend slowly along with the sliding plate, so the concrete can utilize self gravity effect to pile up each other, the compaction, reduce the bubble and the production in space between the concrete, reduce the probability of hole appearing.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view (front view) of a three-dimensional structure of the present utility model;

FIG. 3 is a schematic view (front cross section) of a bridge pier according to the present utility model;

fig. 4 is a schematic view (in plan view) of the sliding plate of the present utility model.

In the figure: 1. bridge piers; 101. a mounting frame; 102. a connecting block; 103. fixing the column; 2. a first spring; 201. a sliding plate; 202. a second spring; 203. a clamping column; 204. a chute; 205. a clamping groove; 3. a first hole; 301. a second hole; 302. a first threaded bolt; 303. a second threaded bolt; 304. and a third threaded bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a prefabricated bridge, including pier 1, pier 1 top fixedly connected with mounting bracket 101, mounting bracket 101 bottom fixedly connected with connecting block 102, fixedly connected with fixed column 103 between connecting block 102 bottom and the pier 1, pier 1 inner chamber fixedly connected with elastic component still includes:

the elastic assembly comprises a first spring 2, a sliding plate 201, a second spring 202 and a clamping column 203, wherein the sliding plate 201 is slidably arranged in the inner cavity of the bridge pier 1, the first spring 2 is fixedly connected between the bottom of the sliding plate 201 and the inner bottom wall of the bridge pier 1, the clamping column 203 is slidably connected in the inner cavity of the sliding plate 201, and the second spring 202 is fixedly connected between the end part of the clamping column 203 and the inner wall of the sliding plate 201;

a chute 204 is formed in the inner wall of the bridge pier 1, a clamping column 203 is connected with the chute 204 in a sliding manner, a clamping groove 205 is formed in the side wall of the bottom of the chute 204, and the clamping column 203 can penetrate through the clamping groove 205 to extend to the outer side of the bridge pier 1;

it should be noted that: install mounting bracket 101 on pier 1, afterwards, mounting bracket 101 bottom utilizes connecting block 102 and fixed column 103 and pier 1 fixed connection, the fixed column 103 is being the slope form, be favorable to strengthening the connection between mounting bracket 101 and the pier 1, when adding the concrete to pier 1 inner chamber, at first, add the concrete from pier 1 lateral wall top, after the concrete enters pier 1 inner chamber, can fall into sliding plate 201 top, sliding plate 201 has the trend of gliding downwards after bearing the gravity of concrete, but under the elasticity effect of first spring 2 and card post 203 and spout 204 drive frictional action, sliding plate 201 descends slowly, at this moment the concrete can be constantly piled up at sliding plate 201 top, along with sliding plate 201 slowly descends, until sliding plate 201 slides to spout 204 bottom, at this moment because the existence of draw-in groove 205, second spring 202 can drive card post 203 run through draw-in groove 205 to pier 1 outside extension, promptly, because concrete pile up slowly at sliding plate 201 top and follow sliding plate 201 slowly descends, so sliding plate 201's elasticity effect and card post 203 drive friction effect, the concrete cavity is not had in the middle part to be added to the inner chamber 1, then, the concrete has a problem of pouring 1 from the concrete cavity to the side wall 1, then, the concrete has the concrete cavity is poured to the concrete cavity 1 is poured to the bottom.

Referring to fig. 1-4, a first hole 3 is formed in the top of the side wall of the bridge pier 1, and a second hole 301 is formed in the side wall of the bridge pier 1 at the bottom of the chute 204;

the bottom of the connecting block 102 is in threaded connection with a first threaded bolt 302, and a plurality of groups of connecting blocks 102 and fixing columns 103 are arranged;

it should be noted that: the concrete can be added to the inner cavity of the bridge pier 1 through the first hole 3, the concrete is added to the top of the sliding plate 201 at the moment, the concrete is added to the inner cavity of the bridge pier 1 through the second hole 301, the concrete is added between the bottom of the sliding plate 201 and the inner bottom wall of the bridge pier 1, the first spring 2 is poured into the inner cavity of the concrete, and the fixing between the connecting block 102 and the mounting frame 101 is fastened through the first threaded bolt 302.

Referring to fig. 1 to 4, a second screw bolt 303 is screwed to the side edge of the bottom of the mounting frame 101, and the second screw bolt 303 is screwed to the top of the pier 1;

the mounting frames 101 are provided with a plurality of groups, and third threaded bolts 304 are connected among the mounting frames 101 in a threaded manner;

it should be noted that: the second threaded bolt 303 reinforces the connection between the mounting frame 101 and the top of the pier 1, the third threaded bolt 304 reinforces the connection between the mounting frame 101, and when concrete is poured into the mounting frame 101, both the second threaded bolt 303 and the third threaded bolt 304 will be poured into the concrete cavity, so that the connection between the mounting frames 101 and between the mounting frame 101 and the pier 1 is more stable.

Working principle: the mounting frame 101 is arranged on the pier 1, afterwards, the bottom of the mounting frame 101 is fixedly connected with the pier 1 by utilizing the connecting block 102 and the fixing column 103, the fixing column 103 is inclined, the connection between the mounting frame 101 and the pier 1 is reinforced, the fixing between the connecting block 102 and the mounting frame 101 is more fastened by the first threaded bolt 302, concrete can be added into the inner cavity of the pier 1 through the first hole 3, after the concrete enters the inner cavity of the pier 1, the concrete falls into the top of the sliding plate 201, the sliding plate 201 has a downward sliding trend after bearing the gravity of the concrete, but the sliding plate 201 descends slowly under the elastic force of the first spring 2 and the friction effect driven by the clamping column 203 and the sliding groove 204, at this time, the concrete is continuously accumulated at the top of the sliding plate 201, along with the slow descent of the sliding plate 201 until the sliding plate 201 slides to the bottom of the sliding groove 204, at this time due to the existence of the clamping groove 205, the second spring 202 drives the clamping column 203 to extend to the outside of the pier 1 through the clamping groove 205, namely, the clamping column 203 is clamped and fixed with the clamping groove 205, because concrete is slowly accumulated at the top of the sliding plate 201 and slowly descends along with the sliding plate 201, the concrete at the top of the sliding plate 201 cannot be excessively fast added, so that a gap exists in the middle of the concrete, the concrete casting of the inner cavity of the pier 1 is caused to exist, the quality is problematic, the concrete is added to the inner cavity of the pier 1 through the second hole 301, the concrete is added between the bottom of the sliding plate 201 and the inner bottom wall of the pier 1, the first spring 2 and the sliding plate 201 are cast in the concrete inner cavity, the second threaded bolt 303 reinforces the connection between the mounting frame 101 and the top of the pier 1, the third threaded bolt 304 reinforces the connection between the mounting frame 101, and when the concrete is cast on the mounting frame 101, the second threaded bolt 303 and the third threaded bolt 304 are cast in the concrete inner cavity, so that the connection between the mounting frames 101 and the bridge pier 1 is more stable.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prefabricated bridge, includes pier (1), its characterized in that, pier (1) top fixedly connected with mounting bracket (101), mounting bracket (101) bottom fixedly connected with connecting block (102), fixedly connected with fixed column (103) between connecting block (102) bottom and pier (1), pier (1) inner chamber fixedly connected with elastic component still includes:

the elastic component includes first spring (2), sliding plate (201), second spring (202) and card post (203), and sliding plate (201) slidable mounting is in pier (1) inner chamber, fixedly connected with first spring (2) between sliding plate (201) bottom and the interior bottom of pier (1), sliding plate (201) inner chamber sliding connection has card post (203), fixedly connected with second spring (202) between card post (203) tip and sliding plate (201) inner wall.

2. A prefabricated bridge according to claim 1, wherein: the bridge pier (1) inner wall has offered spout (204), and card post (203) and spout (204) sliding connection, draw-in groove (205) have been seted up to spout (204) bottom lateral wall, and card post (203) can run through draw-in groove (205) and extend to pier (1) outside.

3. A prefabricated bridge according to claim 2, wherein: the top of the side wall of the bridge pier (1) is provided with a first hole (3), and the bottom of the chute (204) is provided with a second hole (301).

4. A prefabricated bridge according to claim 3, wherein: the bottom of the connecting block (102) is connected with a first threaded bolt (302) in a threaded mode, and a plurality of groups of connecting blocks (102) and fixing columns (103) are arranged.

5. The prefabricated bridge according to claim 4, wherein: the side edge of the bottom of the mounting frame (101) is connected with a second threaded bolt (303) in a threaded mode, and the second threaded bolt (303) is connected with the top of the pier (1) in a threaded mode.

6. A prefabricated bridge according to claim 5, wherein: the mounting frames (101) are provided with a plurality of groups, and third threaded bolts (304) are connected between the mounting frames (101) in a threaded mode.