CN212052387U

CN212052387U - Reinforcing structure for hollow slab beam bridge

Info

Publication number: CN212052387U
Application number: CN202020501286.2U
Authority: CN
Inventors: 詹磊; 刘政; 王林; 吴居涛; 赵明惺; 刘志国
Original assignee: Guangzhou Rapid Traffic Construction Co ltd
Current assignee: Guangzhou Rapid Traffic Construction Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-12-01
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a reinforced structure for hollow plate girder bridge, including connecting the support, the both sides of connecting the support all are provided with the connecting rod, through screw-thread fit fixed connection between connecting rod and the connection support, and the quantity of connecting rod sets up to three, and the one end of connecting rod is provided with bridge side fixing base, through nut fixed connection between connecting rod and the bridge side fixing base. The utility model has the characteristics of rational in infrastructure, equipment are convenient, through mutually supporting between the bridge side fixing base that sets up, connection support and the connecting rod to can let it can assemble the concatenation through nimble, and then can be applicable to the bridge of different width, and can let it constitute a netted whole below the bridge, and then can improve its reinforcing effect.

Description

Reinforcing structure for hollow slab beam bridge

Technical Field

The utility model relates to a bridge reinforcing apparatus technical field specifically is a reinforced structure for hollow slab beam bridge.

Background

The hollow slab beam bridge has simple structure and definite stress, and is a common bridge type with large quantity and wide range in highway bridges; in recent years, the wall thickness of the hollow plate beam is excessively reduced due to the pursuit of light structure, the rigidity of a main beam is low due to the extremely large hollowing rate of the structural section and the small beam height, the deformation of a beam body is large under the action of live load, the phenomenon of cracking is easily generated at multiple positions of the beam body, and the use function of the bridge is seriously influenced.

The utility model discloses an applicant discovers, and the current mode of consolidating bottom to hollow slab bridge often sets up the fixing base in the bridge both sides, lets the back use reinforcing bar to connect the fixing base, and such fixed method can't constitute a whole with adjacent fixing device, and then can influence the reinforcement effect of bridge.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforced structure for hollow slab beam bridge aims at improving the current mode of carrying out the reinforcement to the bottom of hollow slab bridge, often sets up the fixing base in the bridge both sides, lets the back use reinforcing bar to connect the fixing base, and such fixing method can't constitute a whole with adjacent fixing device, and then can influence the problem of the reinforcement effect of bridge.

The utility model discloses a realize like this:

the utility model provides a reinforced structure for hollow slab girder bridge, is including connecting the support, and the both sides of connecting the support all are provided with the connecting rod, through screw-thread fit fixed connection between connecting rod and the connection support, and the quantity of connecting rod sets up to three, and the one end of connecting rod is provided with bridge side fixing base, through nut fixed connection between connecting rod and the bridge side fixing base.

Furthermore, the shape of the bridge side fixing seat is designed to be an L-shaped structure, the inner side of the bridge side fixing seat is symmetrically provided with a reinforcing plate, the reinforcing plate and the bridge side fixing seat are fixedly connected in a welding mode, the top end of the bridge side fixing seat is provided with a positioning hole in a penetrating way, the bridge side fixing seat is designed into an L-shaped structure so as to be tightly attached to the side of the bridge, the reinforcing plates are symmetrically arranged on the inner sides of the bridge side fixing seats so as to reinforce the whole structure of the bridge side fixing seats, thereby can improve the overall structure stability of bridge side fixing base, through running through on bridge side fixing base top and seted up the locating hole, be for the ease of using expansion screw to fix bridge side fixing base and bridge, and then can let the installation of bridge side fixing base more convenient.

Further, the side of bridge side fixing base runs through and has seted up the regulation hole, and the equidistant distribution of regulation hole, runs through the side at bridge side fixing base and has seted up the regulation hole, is for the ease of erection joint pole, through letting the equidistant distribution of regulation hole, is for the ease of adjusting the position of connecting rod to can let the top of connecting the support and the lower terminal surface of bridge contact.

Further, the side of connecting the support is run through and has been seted up the arc and lead to the groove, and the inboard that the arc leads to the groove is provided with the atress board, pass through welding mode fixed connection between atress board and the arc leads to the groove, the up end fixedly connected with anti-skidding convex grain of connecting the support, anti-skidding convex grain evenly distributed, through running through and having seted up the arc and lead to the groove in the side of connecting the support, be in order to alleviate the whole weight of connecting the support, it is more even to be provided with the atress board through the inboard that leads to the groove at the arc, be in order to let the atress of connecting the support, through the up end fixedly connected with anti-skidding convex grain at the connection support, be in order to increase frictional force, thereby can let the friction between connection support and the.

Further, first thread groove has all been seted up at the both ends of connection support, and the quantity of first thread groove sets up to three, and the second thread groove has all been seted up at the other both ends of connection support, has all seted up first thread groove through the both ends at the connection support, is for the convenience of using the connecting rod to connect adjacent connection support, can let like this the utility model discloses can be applicable to the bridge of different width, and then improve the flexibility of its use, through all having seted up the second thread groove at the other both ends of connection support, be for can let adjacent connection support connect into a whole through the connecting rod to can carry out comprehensive reinforcement to the bottom of bridge.

Further, the both ends of connecting rod all are provided with the screw thread post, through welding mode fixed connection between screw thread post and the connecting rod, through all being provided with the screw thread post at the both ends of connecting rod, be for the convenience of letting connect through screw-thread fit between connecting rod and the connection support, can let like this the utility model discloses an equipment is more convenient.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the characteristics of rational in infrastructure, equipment are convenient, through mutually supporting between the bridge side fixing base that sets up, connection support and the connecting rod to can let it can assemble the concatenation through nimble, and then can be applicable to the bridge of different width, and can let it constitute a netted whole below the bridge, and then can improve its reinforcing effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a reinforcing structure for a hollow slab girder bridge according to the present invention;

fig. 2 is a schematic view of a split structure of a reinforcing structure for a hollow slab girder bridge according to the present invention;

fig. 3 is a schematic structural view of a bridge side fixing seat of the reinforcing structure for a hollow plate girder bridge according to the present invention;

fig. 4 is a schematic structural view of a connection support of a reinforcing structure for a hollow plate girder bridge according to the present invention;

fig. 5 is a schematic structural view of a connecting rod of a reinforcing structure for a hollow plate girder bridge according to the present invention.

In the figure: 1. fixing seats on the sides of the bridge; 11. a reinforcing plate; 12. an adjustment hole; 13. positioning holes; 2. connecting a support; 21. an arc-shaped through groove; 211. a stress plate; 22. a first screw groove; 23. a second screw groove; 24. anti-skid convex particles; 3. a connecting rod; 31. a threaded post.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3, 4 and 5, a reinforcing structure for a hollow plate girder bridge comprises a connecting support 2, an arc-shaped through groove 21 is formed through the side surface of the connecting support 2, a stress plate 211 is arranged on the inner side of the arc-shaped through groove 21, the stress plate 211 and the arc-shaped through groove 21 are fixedly connected by welding, anti-skid convex particles 24 are fixedly connected to the upper end surface of the connecting support 2, the anti-skid convex particles 24 are uniformly distributed, the arc-shaped through groove 21 is formed through the side surface of the connecting support 2 to reduce the overall weight of the connecting support 2, the stress plate 211 is arranged on the inner side of the arc-shaped through groove 21 to enable the connecting support 2 to be stressed more uniformly, the anti-skid convex particles 24 are fixedly connected to the upper end surface of the connecting support 2 to increase friction force, and accordingly the friction between the connecting support 2 and the bridge can be larger, thereby preventing a slip condition from occurring during use; the two ends of the connecting support 2 are provided with first screw grooves 22, the number of the first screw grooves 22 is three, the other two ends of the connecting support 2 are provided with second screw grooves 23, the two ends of the connecting support 2 are provided with the first screw grooves 22, so that the adjacent connecting supports 2 are connected by the connecting rod 3 conveniently, the utility model can be suitable for bridges with different widths, the use flexibility of the bridges is improved, the other two ends of the connecting support 2 are provided with the second screw grooves 23, so that the adjacent connecting supports 2 are connected into a whole by the connecting rod 3, and the bottom of the bridge can be reinforced comprehensively;

the connecting rods 3 are arranged on two sides of the connecting support 2, the connecting rods 3 are fixedly connected with the connecting support 2 through thread matching, the number of the connecting rods 3 is three, the threaded columns 31 are arranged at two ends of each connecting rod 3, the threaded columns 31 are fixedly connected with the connecting rods 3 through a welding mode, the threaded columns 31 are arranged at two ends of each connecting rod 3, so that the connecting rods 3 are connected with the connecting support 2 through thread matching, and the assembly of the utility model is more convenient; one end of the connecting rod 3 is provided with a bridge side fixing seat 1, the connecting rod 3 and the bridge side fixing seat 1 are fixedly connected through a nut, the shape of the bridge side fixing seat 1 is designed to be an L-shaped structure, reinforcing plates 11 are symmetrically arranged on the inner side of the bridge side fixing seat 1, the reinforcing plates 11 and the bridge side fixing seat 1 are fixedly connected through a welding mode, the top end of the bridge side fixing seat 1 is provided with a positioning hole 13 in a penetrating way, the shape of the bridge side fixing seat 1 is designed to be an L-shaped structure, so that the bridge side fixing seat 1 can be tightly attached to the side surface of a bridge, the reinforcing plates 11 are symmetrically arranged on the inner side of the bridge side fixing seat 1, so that the whole structure of the bridge side fixing seat 1 is reinforced, the whole structure stability of the bridge side fixing seat 1 can be improved, and the positioning, the bridge side fixing seat 1 is convenient to fix with a bridge by using expansion screws, so that the bridge side fixing seat 1 can be more conveniently installed; the side of bridge side fixing base 1 runs through and has seted up regulation hole 12, and the equidistant distribution of regulation hole 12, runs through and has seted up regulation hole 12 through the side at bridge side fixing base 1, is for the ease of erection joint pole 3, through letting the equidistant distribution of regulation hole 12, is for the ease of adjusting the position of connecting rod 3 to can let the top of connecting support 2 and the lower terminal surface of bridge contact.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A reinforced structure for a hollow slab beam bridge, comprising a connection support (2), characterized in that: the both sides of connecting support (2) all are provided with connecting rod (3), through screw-thread fit fixed connection between connecting rod (3) and connecting support (2), and the quantity of connecting rod (3) sets up to three, the one end of connecting rod (3) is provided with bridge side fixing base (1), through nut fixed connection between connecting rod (3) and bridge side fixing base (1).

2. The reinforcing structure for the hollow plate girder bridge is characterized in that the bridge side fixing seat (1) is designed to be an L-shaped structure, reinforcing plates (11) are symmetrically arranged on the inner side of the bridge side fixing seat (1), the reinforcing plates (11) and the bridge side fixing seat (1) are fixedly connected in a welding mode, and a positioning hole (13) is formed in the top end of the bridge side fixing seat (1) in a penetrating mode.

3. The reinforcing structure for the hollow plate girder bridge according to claim 2, wherein the adjusting holes (12) are formed through the side surface of the bridge side surface fixing seat (1), and the adjusting holes (12) are distributed at equal intervals.

4. The reinforcing structure for the hollow plate girder bridge according to claim 3, wherein an arc-shaped through groove (21) is formed in the side surface of the connecting support (2) in a penetrating manner, a stress plate (211) is arranged on the inner side of the arc-shaped through groove (21), the stress plate (211) and the arc-shaped through groove (21) are fixedly connected in a welding manner, anti-skid convex grains (24) are fixedly connected to the upper end surface of the connecting support (2), and the anti-skid convex grains (24) are uniformly distributed.

5. The reinforcing structure for the hollow plate girder bridge according to claim 4, wherein the connecting support (2) is provided with first screw grooves (22) at both ends thereof, the number of the first screw grooves (22) is three, and the connecting support (2) is provided with second screw grooves (23) at the other two ends thereof.

6. The reinforcing structure for the hollow plate girder bridge according to claim 5, wherein both ends of the connecting rod (3) are provided with threaded columns (31), and the threaded columns (31) and the connecting rod (3) are fixedly connected by welding.