CN217974032U

CN217974032U - Public road bridge roof beam expansion joint structure

Info

Publication number: CN217974032U
Application number: CN202222067094.7U
Authority: CN
Inventors: 李强; 黄敏; 刘剑; 刘益; 刘超; 刘波; 周敢; 刘宇
Original assignee: Hunan Guohe Bridge Accessories Co ltd
Current assignee: Hunan Guohe Bridge Accessories Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-06
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a public road bridge roof beam expansion joint structure relates to bridge expansion joint technical field, including bridge end portion, both sides be provided with flexible protection mechanism between the bridge end portion, the top of flexible protection mechanism is provided with protection mechanism, it is equipped with waterproofing mechanism to add between protection mechanism and the bridge end portion, trapezoidal baffle sets up the top at flexible protection mechanism, the medial surface symmetry of trapezoidal baffle is provided with the telescopic link, the outside cover of telescopic link is equipped with buffer spring, the right-hand member swing joint of rectangle sliding block is in the inside of rectangle sliding tray, the inside of rectangle sliding tray still adds and is equipped with the damping spring, the bottom swing joint of flexible protection mechanism and telescopic link, the protection mechanism and the waterproofing mechanism of setting have avoided influencing the normal use of flexible protection structure and the corrosion problem of rainwater to flexible protection mechanism because of rubbish and earth, the effectual life who prolongs the device.

Description

Public road bridge roof beam expansion joint structure

Technical Field

The utility model relates to a bridge expansion joint technical field specifically is a public road bridge roof beam expansion joint structure.

Background

The expansion joints of the bridge are arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of the bridge in order to meet the requirement of bridge deck deformation, the expansion joints are required to freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joints are firm and reliable, smooth and free of sudden jump and noise when a vehicle runs, rainwater and garbage soil can be prevented from permeating and blocking, and meanwhile, installation, inspection, maintenance and dirt removal are simple and convenient.

The existing patent (publication number: CN 202123266974.9) discloses a connecting structure of a bridge expansion joint, which comprises a shielding plate arranged above the expansion joint and a plurality of iron chains arranged between the top surface of the end part of the bridge and the shielding plate, wherein the shielding plate comprises a rectangular expansion plate A, a rectangular sliding hole arranged on the inner side of the rectangular expansion plate A, a rectangular expansion plate B and a rectangular sliding block fixedly arranged on the rectangular expansion plate B and positioned in the rectangular sliding hole, the iron chains are respectively arranged between the top surface of the end part of the bridge and the rectangular expansion plate A and between the top surface of the end part of the bridge and the rectangular expansion plate B, impurities can be prevented from entering the expansion joint by arranging the shielding plate, the overturning of automobiles and the like can be met, the iron chains are in a stretched state between the shielding plate and the top surface of the end part of the bridge, the shielding plate can be fixed, but when the structure is used, as the rectangular sliding block the sliding block and the rectangular sliding hole slide relatively, so that garbage and soil can easily enter a groove formed between the rectangular expansion joint A, the rectangular expansion plate B and the rectangular expansion joint, thereby the bridge can be protected from rain, the road, and the road can be protected, and the road snow can be quickly crushed, and the road can be used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public road bridge roof beam expansion joint structure to block gliding smooth and easy nature between rectangle sliding block and the rectangle sliding hole easily because of rubbish and earth among the solution above-mentioned background art, make the influence to the protection at expansion joint and because sleet weather humidity is great, make fixed connector's corrosion with higher speed easily, and in addition the vehicle constantly rolls, can shorten fixed connector's life fast, thereby reduced the stability problem of structure.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a public road bridge expansion joint structure, includes the bridge tip, both sides be provided with flexible protection mechanism between the bridge tip, the top of flexible protection mechanism is provided with protection machanism, it is equipped with waterproof mechanism to add between protection machanism and the bridge tip.

Protection machanism includes trapezoidal baffle, trapezoidal baffle sets up the top at flexible protection mechanism, the both sides bottom of trapezoidal baffle is through buffer rubber piece and bridge tip fixed connection, the medial surface symmetry of trapezoidal baffle is provided with the telescopic link, the outside cover of telescopic link is equipped with buffer spring.

Optionally, flexible protection mechanism includes rectangle sliding block and rectangle sliding tray, the left side of rectangle sliding block and the right side of rectangle sliding tray all are through fixed connector and bridge tip fixed connection, the right side swing joint of rectangle sliding block is in the inside of rectangle sliding tray, the inside of rectangle sliding tray still adds and is equipped with damping spring, damping spring's both ends respectively with the inner wall fixed connection of rectangle sliding block and rectangle sliding tray, the bottom swing joint of flexible protection mechanism and telescopic link.

Optionally, the waterproof mechanism includes a water drainage tank, the water drainage tank is opened on the surface of the bridge end and is located outside the cushion rubber block, and a water retaining belt is additionally arranged between the water drainage tank and the cushion rubber block.

Optionally, an elastic filter screen is additionally arranged between the bottoms of the two ends of the trapezoidal baffle and the end part of the bridge.

Optionally, moving grooves are formed in the left side of the top of the rectangular sliding block and the right side of the top of the rectangular sliding groove, a moving block is connected inside the moving groove in a sliding mode, and the top of the moving block is fixedly connected with the bottom of the telescopic rod.

Optionally, the top of the right side of the rectangular sliding block and the bottom of the rectangular sliding block are fixedly connected with limiting sliding blocks, limiting sliding grooves are formed in the positions, corresponding to the limiting sliding blocks, of the inside of the rectangular sliding grooves, and the limiting sliding blocks are connected with the limiting sliding grooves in a sliding mode.

The utility model discloses a technological effect and advantage:

1. this equipment can play certain guard action to flexible protection architecture through the trapezoidal baffle that sets up, has not only avoided the vehicle that makes a round trip to pass to directly roll it, has prevented moreover that rubbish and earth from influencing flexible protection architecture's normal use, adds the elasticity filter screen of establishing can be further keep apart rubbish and earth outside to the life of device has been prolonged.

2. This equipment can in time discharge the rainwater through adding the water drainage tank of establishing, has avoided the rainwater to the corruption of cushion rubber piece and fixed connector, adds the manger plate area of establishing and can be further plays the effect of blockking to the rainwater, and the elasticity filter screen of setting can filter earth and rubbish smugglied secretly in the rainwater, prevents to bring into water drainage tank and cause water drainage tank's jam because of it is by the rainwater.

3. This equipment is preventing through the trapezoidal baffle that sets up that the vehicle is direct when rolling to flexible protection mechanism, and the elastic action through buffer spring, the flexible effect of telescopic link and the elastic action of cushion rubber piece can play certain cushioning effect, reduces the vehicle and rolls the pressure that brings, has further improved the protective capacities to flexible protection architecture.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the sliding connection between the telescopic rod and the rectangular sliding block and the rectangular sliding groove of the present invention;

fig. 3 is a schematic diagram of the longitudinal structure of the telescopic protection mechanism of the present invention.

In the figure: 1. the bridge end; 2. a telescopic protection mechanism; 3. a protection mechanism; 4. a waterproof mechanism; 5. a moving groove; 6. a moving block; 7. a limiting slide block; 8. a limiting chute; 21. a rectangular slider; 22. a rectangular sliding groove; 23. fixing the connecting piece; 24. a damping spring; 31. a trapezoidal baffle; 32. a buffer rubber block; 33. a telescopic rod; 34. a buffer spring; 41. a water discharge tank; 42. a water-retaining belt.

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.

The utility model provides a public road bridge roof beam expansion joint structure as shown in fig. 1-3, including bridge end 1, be provided with flexible protection mechanism 2 between the bridge end 1 of both sides, the top of flexible protection mechanism 2 is provided with protection machanism 3, adds between protection machanism 3 and the bridge end 1 and is equipped with waterproofing mechanism 4.

Protection machanism 3 includes trapezoidal baffle 31, trapezoidal baffle 31 sets up directly over flexible protection mechanism 2, fixed connection between buffer rubber piece 32 and the bridge tip 1 is passed through to the both sides bottom of trapezoidal baffle 31, the medial surface symmetry of trapezoidal baffle 31 is provided with telescopic link 33, the outside cover of telescopic link 33 is equipped with buffer spring 34, all add between the both ends bottom of trapezoidal baffle 31 and the bridge tip 1 and be equipped with the elasticity filter screen, the rainwater can be filtered to the elasticity filter screen, block rubbish and earth.

Roll trapezoidal baffle 31 through the vehicle, under the elastic action of cushion rubber piece 32, under the flexible effect of telescopic link 33 and buffer spring 34's elastic action, can reduce the pressure that the vehicle rolled and brought for play certain cushioning effect, be convenient for protect flexible protection machanism 2, trapezoidal baffle 31 can prevent simultaneously that rubbish and earth from influencing flexible protection machanism's normal use, further improvement the protecting effect.

The telescopic protection mechanism 2 comprises a rectangular sliding block 21 and a rectangular sliding groove 22, the left end of the rectangular sliding block 21 and the right end of the rectangular sliding groove 22 are fixedly connected with the surface of the bridge end portion 1 through a fixed connecting piece 23, the right side of the rectangular sliding block 21 is movably connected inside the rectangular sliding groove 22, a limiting sliding block 7 is fixedly connected at the top and the bottom of the right side of the rectangular sliding block 21, a limiting sliding groove 8 is formed in the position, corresponding to the limiting sliding block 7, inside the rectangular sliding groove 22, and is provided with a limiting sliding groove 8, the limiting sliding connection is formed between the limiting sliding block 7 and the limiting sliding groove 8, the rectangular sliding block 21 can be limited through sliding fit between the limiting sliding block 7 and the limiting sliding groove 8, the rectangular sliding block 21 is prevented from being separated from the rectangular sliding groove 22, a damping spring 24 is further additionally arranged inside the rectangular sliding groove 22, two ends of the damping spring 24 are fixedly connected with the inner walls of the rectangular sliding block 21 and the rectangular sliding groove 22 respectively, the telescopic protection mechanism 2 is movably connected with the bottom of a telescopic rod 33, a rectangular sliding groove 5 is formed in the left side of the top of the rectangular sliding block 21 and the right side of the rectangular sliding groove 22, the rectangular sliding block 5 is connected with the bottom of the sliding groove 22 through the sliding block 6, and is convenient for relative sliding connection between the telescopic rod.

The damping spring 24 is stretched and compressed through the relative sliding between the rectangular sliding block 21 and the rectangular sliding groove 22, so that the expansion and contraction caused by the deformation of the bridge are met, and when the bridge expands and contracts due to the deformation, the telescopic rod 33 and the buffer spring 34 can be protected to prevent the fracture and the bending deformation by utilizing the sliding fit of the moving block 6 and the moving groove 5.

The waterproof mechanism 4 comprises a drainage channel 41, the drainage channel 41 is arranged on the surface of the bridge end part 1 and is positioned on the outer side of the cushion rubber block 32, and a water retaining belt 42 is additionally arranged between the drainage channel 41 and the cushion rubber block 32.

The rubbish and the earth of rainwater are filtered through the elastic filter screen to prevent that it from getting into water drainage tank 41 and causing water drainage tank 41's jam, add the manger plate area 42 of establishing and can be further play the separation effect to the rainwater, prevent to flood water drainage tank 41 because of the rainwater is too big, avoided the rainwater to the corruption of cushion rubber piece 32 and fixed connector 23, prolonged the life of device.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a public road bridge roof beam expansion joint structure, includes bridge tip (1), its characterized in that: a telescopic protection mechanism (2) is arranged between the bridge end parts (1) at the two sides, a protection mechanism (3) is arranged above the telescopic protection mechanism (2), and a waterproof mechanism (4) is additionally arranged between the protection mechanism (3) and the bridge end parts (1);

protection machanism (3) are including trapezoidal baffle (31), trapezoidal baffle (31) set up the top at flexible protection mechanism (2), cushion rubber piece (32) and bridge tip (1) fixed connection are passed through to the both sides bottom of trapezoidal baffle (31), the medial surface symmetry of trapezoidal baffle (31) is provided with telescopic link (33), the outside cover of telescopic link (33) is equipped with buffer spring (34).

2. A road bridge expansion joint structure according to claim 1, wherein: flexible protection mechanism (2) include rectangle sliding block (21) and rectangle sliding tray (22), the left side of rectangle sliding block (21) all passes through fixed connector (23) and bridge tip (1) fixed connection with the right side of rectangle sliding tray (22), the right side swing joint of rectangle sliding block (21) is in the inside of rectangle sliding tray (22), the inside of rectangle sliding tray (22) still adds and is equipped with damping spring (24), the both ends of damping spring (24) respectively with the inner wall fixed connection of rectangle sliding block (21) and rectangle sliding tray (22), the bottom swing joint of flexible protection mechanism (2) and telescopic link (33).

3. The road bridge expansion joint structure of claim 1, wherein: waterproof mechanism (4) include water drainage tank (41), water drainage tank (41) are seted up on the surface of bridge tip (1) and are in the outside of cushion rubber piece (32), still add between water drainage tank (41) and cushion rubber piece (32) and be equipped with manger plate area (42).

4. A road bridge expansion joint structure according to claim 1, wherein: elastic filter screens are additionally arranged between the bottoms of the two ends of the trapezoidal baffle (31) and the end part (1) of the bridge.

5. The road bridge expansion joint structure of claim 2, wherein: the left side of the top of the rectangular sliding block (21) and the right side of the top of the rectangular sliding groove (22) are both provided with a moving groove (5), the inside of the moving groove (5) is connected with a moving block (6) in a sliding mode, and the top of the moving block (6) is fixedly connected with the bottom of the telescopic rod (33).

6. The road bridge expansion joint structure of claim 2, wherein: the right side top and the equal fixedly connected with spacing slider (7) in bottom of rectangle sliding block (21), spacing spout (8) have been seted up to the inside position that corresponds spacing slider (7) of rectangle sliding tray (22), sliding connection between spacing slider (7) and spacing spout (8).