CN212925754U

CN212925754U - Seamless expansion joint structure of bridge

Info

Publication number: CN212925754U
Application number: CN202021164539.8U
Authority: CN
Inventors: 何能
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-04-09
Anticipated expiration: 2030-06-22

Abstract

The utility model relates to the technical field of bridge construction, in particular to a seamless expansion joint structure of a bridge, which comprises a left base plate, wherein a left comb plate is fixedly connected to the right side of the left base plate, a right comb plate is arranged below the left comb plate, a right base plate is fixedly connected to the right side of the right comb plate, a left groove is arranged on the right side of the left base plate and on the right comb plate, a right groove is arranged on the left side of the right base plate and on the left comb plate, guide rods are fixedly connected above and below the center of the left groove and the right groove, a baffle is connected on the guide rods, guide grooves are arranged in the baffle and on the guide rod, through arranging the left comb plate, the right comb plate, the baffle, the guide rods and springs, the problem that the expansion joint of the comb plate is commonly used in bridge construction at present is solved, sundries such as stones often fall into the gaps among the comb teeth, so that the problem of normal expansion and contraction of the expansion joint of the comb plate is influenced.

Description

Seamless expansion joint structure of bridge

Technical Field

The utility model relates to a bridge building technical field specifically is a seamless expansion joint structure of bridge.

Background

In order to prevent the damage to the bridge structure caused by the factors such as thermal expansion and cold contraction, concrete shrinkage and creep, live load effect and the like caused by temperature change, meet the requirements of the beam body and the bridge deck on expansion and contraction deformation, and ensure that vehicles smoothly pass through, expansion joints are usually arranged between two beam ends, between the beam ends and the bridge abutment or at the hinged position of the bridge.

At present the universal use is the fishback expansion joint in bridge construction, and the fishback expansion joint is when using, often can have debris such as stone to fall into the gap between the broach to influence the normal flexible of fishback expansion joint, consequently need a seamless expansion joint structure of bridge to improve this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seamless expansion joint structure of bridge to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a seamless expansion joint structure of a bridge comprises a left base plate, wherein a left comb plate is fixedly connected with the right side of the left base plate, a right comb plate is arranged below the left comb plate, the right side of the right comb plate is fixedly connected with a right base plate, a left groove is arranged on the right side of the left base plate and at the position of the right comb plate, a right groove is arranged on the left side of the right base plate and at the position of the left comb plate, the upper part and the lower part of the center of the left groove and the right groove are fixedly connected with guide rods, the guide rods are connected with baffle plates, a guide groove is arranged in the baffle plate and at the position of the guide rod, a spring is fixedly connected at the center of one side of the baffle plate close to the guide rod, the guard plate is far away from guide bar one side fixedly connected with protection pad, the equal fixedly connected with mounting panel in the left side of left side base plate and the right side of right side base plate, the anchor hole has been seted up on the mounting panel.

Preferably, the left and right comb plates and the baffle are made of stainless steel, and the protection pad is made of rubber.

Preferably, left fishback and right fishback all are provided with a plurality ofly, and left fishback and right fishback staggered arrangement.

Preferably, the shape of left fishback and the shape looks adaptation of right fishback, and the shape of baffle and the shape looks adaptation of left fishback.

Preferably, the guide rod, the guide groove and the baffle are provided with a plurality of parts, and the baffle is connected with the left groove in a sliding manner.

Preferably, the spring and the left groove and the spring and the right groove are fixedly connected, and the guide rod and the guide groove are connected in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up left fishback, right fishback, the baffle, the guide bar, the spring, when left fishback and right fishback remove, the spring can promote the baffle and remove, left fishback and right fishback are hugged closely to messenger's baffle, the baffle blocks the gap between left fishback and the right fishback, debris such as stone are difficult to fall into the gap, it is the fishback expansion joint to have solved present generally used in the bridge construction, the fishback expansion joint is when using, debris such as stone often can fall into the gap between the broach, thereby influence the normal flexible problem of fishback expansion joint.

2. The utility model discloses in, through setting up the protection pad, the protection pad plays the guard action to the baffle, avoids the baffle excessively to extrude left fishback and right fishback and leads to left fishback and right fishback impaired.

3. The utility model discloses in, through left fishback and the right fishback that the setting was made by the stainless steel, left fishback and right fishback intensity that the stainless steel was made are higher, can bear the internal stress that produces when the bridge is flexible, and stainless steel material has stronger corrosion resistance simultaneously, is difficult to be corroded by the rainwater.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: 1-left base plate, 2-left comb plate, 3-right comb plate, 4-right base plate, 5-left groove, 6-right groove, 7-guide rod, 8-baffle, 9-guide groove, 10-spring, 11-protection pad, 12-mounting plate and 13-anchoring hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a seamless expansion joint structure of a bridge comprises a left base plate 1, a left comb plate 2, a right comb plate 3 and a baffle plate 8 which are made of stainless steel, a protective pad 11 is made of rubber, the left base plate 1 and the right base plate 4 made of stainless steel are firm and durable, the service life is long, the right side of the left base plate 1 is fixedly connected with the left comb plate 2, the left comb plate 2 and the right comb plate 3 are respectively provided with a plurality of left comb plates 2 and right comb plates 3, the left comb plate 2 and the right comb plate 3 are arranged in a staggered manner, the right comb plate 3 is arranged below the left comb plate 2, the left comb plate 2 is matched with the right comb plate 3 in shape, the baffle plate 8 is matched with the left comb plate 2 in shape, the right side of the right comb plate 3 is fixedly connected with the right base plate 4, the right groove 5 is formed in the position of the right comb plate 3 on the right side of the left base plate 1, the left side of the right base plate 4 is formed in the position of the left comb plate 2, top and the equal fixedly connected with guide bar 7 in below at left recess 5 and right recess 6 center department, guide bar 7 and guide way 9 and baffle 8 all are provided with a plurality ofly, and baffle 8 and left recess 5 and baffle 8 are sliding connection with the connected mode of right recess 6, be connected with baffle 8 on the guide bar 7, guide way 9 has been seted up to baffle 8 interior and guide bar 7 position department, baffle 8 is close to the fixedly connected with spring 10 of 7 one side centers of guide bar, spring 10 is fixed connection with left recess 5 and the connected mode of spring 10 and right recess 6, and the connected mode of guide bar 7 and guide way 9 is sliding connection, 7 one side fixedly connected with protection pad 11 of guide bar is kept away from to baffle 8, the equal fixedly connected with mounting panel 12 in left side of left base plate 1 and the right side of right base plate 4, anchor hole 13 has been seted up on mounting panel 12.

The utility model discloses work flow: during the use, use the earth anchor to fix left base plate 1 and right base plate 4 respectively in the both sides at the expansion joint, when the bridge extends, the bridge can promote left base plate 1 and right base plate 4 inward displacement, left base plate 1 and right base plate 4 drive left fishback 2 and right fishback 3 respectively and move together, left fishback 2 and right fishback 3 can promote baffle 8 inward displacement, when the bridge contracts, the bridge can drive left base plate 1 and right base plate 4 outward displacement, left base plate 1 and right base plate 4 drive left fishback 2 and right fishback 3 respectively and move together, baffle 8 no longer is pushed down to left fishback 2 and right fishback 3, spring 10 can promote baffle 8 and move outwards along guide bar 7, make baffle 8 hug closely left fishback 2 and right fishback 3, baffle 8 and left fishback 2 and baffle 8 and by all can not produce great gap between the fishback 3.

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

Claims

1. The utility model provides a seamless expansion joint structure of bridge, includes left base plate (1), its characterized in that: the right side of the left base plate (1) is fixedly connected with a left comb plate (2), a right comb plate (3) is arranged below the left comb plate (2), the right side of the right comb plate (3) is fixedly connected with a right base plate (4), a left groove (5) is formed in the right side of the left base plate (1) and in the position of the right comb plate (3), a right groove (6) is formed in the left side of the right base plate (4) and in the position of the left comb plate (2), guide rods (7) are fixedly connected above and below the centers of the left groove (5) and the right groove (6), a baffle (8) is connected onto the guide rods (7), guide grooves (9) are formed in the baffle (8) and in the position of the guide rods (7), a spring (10) is fixedly connected to the center of one side of the baffle (8) close to the guide rods (7), and a protection pad (11) is fixedly connected to one side of the baffle (8) far away from the guide rods (7), the equal fixedly connected with mounting panel (12) in left side of left side base plate (1) and right side of right base plate (4), anchor hole (13) have been seted up on mounting panel (12).

2. The seamless expansion joint structure for bridge according to claim 1, wherein: left side fishback (2) and right fishback (3) and baffle (8) are made by the stainless steel, and protection pad (11) are made by rubber.

3. The seamless expansion joint structure for bridge according to claim 1, wherein: the left comb plate (2) and the right comb plate (3) are provided with a plurality of comb plates, and the left comb plate (2) and the right comb plate (3) are arranged in a staggered mode.

4. The seamless expansion joint structure for bridge according to claim 1, wherein: the shape of left fishback (2) and the shape looks adaptation of right fishback (3), and the shape looks adaptation of the shape of baffle (8) and left fishback (2).

5. The seamless expansion joint structure for bridge according to claim 1, wherein: the guide rod (7), the guide groove (9) and the baffle (8) are arranged in a plurality of numbers, and the baffle (8) is connected with the left groove (5) in a sliding manner and the baffle (8) is connected with the right groove (6) in a sliding manner.

6. The seamless expansion joint structure for bridge according to claim 1, wherein: the spring (10) and the left groove (5) and the spring (10) and the right groove (6) are fixedly connected, and the guide rod (7) and the guide groove (9) are connected in a sliding manner.