CN218842855U

CN218842855U - Bridge expansion joint sealing structure

Info

Publication number: CN218842855U
Application number: CN202222773800.XU
Authority: CN
Inventors: 龚高
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-04-11
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a bridge expansion joint seal structure relates to bridge technical field, including two symmetrical bridge frame posts, a side fixedly connected with bridge girder that two bridge frame posts are close to each other, the top of bridge girder is equipped with two symmetrical bridgeboards, and the last fixed surface of bridge girder is connected with the backup pad, and the top of bridge girder is equipped with two symmetrical buffer gear, and the top of bridge girder is equipped with sealing mechanism, and sealing mechanism includes two symmetrical closing plates. It can be through setting up sealing mechanism and drainage groove, and the sealing mechanism who utilizes to set up can all seal the expansion joint all the time, and the drainage groove that utilizes to set up can carry out the drainage to the rainwater and discharge, has solved traditional bridge expansion joint and has adopted the sealed problem of ageing, sclerosis, droing even easily of rubber slab, guarantees that expansion joint structure's sealed effect can realize all the time, has reached the purpose that improves bridge expansion joint seal structure's leakproofness and durability.

Description

Bridge expansion joint sealing structure

Technical Field

The utility model relates to a bridge technical field specifically is a bridge expansion joint seal structure.

Background

The expansion joint of the bridge is designed to meet the requirement of bridge deck deformation, and is usually arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of the bridge, and is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, firm and reliable, and can prevent rainwater and garbage and soil from permeating and blocking. The function of bridge expansion joint: the displacement and connection between upper structures caused by vehicle load and bridge building materials are adjusted, once a telescopic device of the skew bridge is damaged, the speed, comfort and safety of driving are seriously influenced, and even driving safety accidents are caused.

At present, the traditional bridge expansion joint component is generally a rubber plate, and the two side edges of the rubber plate are fixed at the expansion joint of two sections of bridges through fasteners such as clamping plates, screws and the like, so as to realize the sealing of the bridge expansion joint, but the rubber plate is easy to age and harden after being exposed to the sun and soaked in rain all year round, and the aged rubber is very easy to fall off, so that the sealing effect of the expansion joint cannot be ensured; therefore, the sealing structure for the bridge expansion joint solves the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bridge expansion joint seal structure in order to compensate the not enough of prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bridge expansion joint seal structure, includes two symmetrical bridge frame posts, two a side fixedly connected with bridge girder that bridge frame post is close to each other, bridge girder's top is equipped with two symmetrical bridge plates, bridge girder's last fixed surface is connected with the backup pad, bridge girder's top is equipped with two symmetrical buffer gear, bridge girder's top is equipped with sealing mechanism, sealing mechanism includes two symmetrical closing plates, two the drainage groove has all been seted up to the upper surface of closing plate.

Further, the buffer mechanism comprises a first connecting plate, and the outer surface of the first connecting plate is fixedly connected with the outer surface of the bridge plate.

Furthermore, a group of first elastic pieces which are arranged at equal intervals are fixedly connected to the outer surface of the first connecting plate, and a second connecting plate is fixedly connected to one end, far away from the first connecting plate, of each first elastic piece.

Furthermore, the sealing mechanism comprises two symmetrical sliding grooves and two symmetrical positioning cylinders, the two sliding grooves are formed in the outer surface of the supporting plate, and a sliding block is fixedly connected to one side face, close to the sealing plate, of the two sealing plates.

Furthermore, the outer surfaces of the sliding blocks are connected with the inner portion of the sliding groove in a sliding mode, the bottom surfaces of the sealing plates are fixedly connected with fixing plates, supporting rods and lantern rings, one side face, away from each other, of the lantern rings is fixedly connected with the outer surface of the positioning cylinder.

Furthermore, two a side that a location section of thick bamboo kept away from each other all is connected with the external surface fixed of second connecting plate, two the equal sliding connection in inside of a location section of thick bamboo has the telescopic link, two the one end that a location section of thick bamboo was kept away from to the telescopic link all is connected with the external surface fixed of backup pad.

Furthermore, two the inside of the lantern ring all with the surface sliding connection of telescopic link, two the equal fixedly connected with second elastic component of a side that the bracing piece is close to each other, two the one end that the bracing piece was kept away from to the second elastic component all is connected with the surface fixed of backup pad.

Compared with the prior art, this bridge expansion joint seal structure possesses following beneficial effect:

1. the utility model discloses a set up sealing mechanism and drainage groove, the sealing mechanism who utilizes to set up all the time can seal the expansion joint, and the drainage groove that utilizes to set up can carry out the drainage to the rainwater and discharge, has solved traditional bridge expansion joint and has adopted the sealed problem of ageing, sclerosis, droing easily of rubber slab, guarantees that expansion joint structure's sealed effect can realize all the time, has reached the purpose that improves bridge expansion joint seal structure's leakproofness and durability.

2. The utility model discloses a set up first connecting plate and first elastic component, when the bridge plate takes place expend with heat and contract with cold, the bridge plate can drive first connecting plate and remove, compresses or stretch to first elastic component, can cushion the flexible produced pressure of bridge plate, reduces the flexible range of bridge plate to the mesh that prolongs bridge plate life has been reached.

Drawings

Fig. 1 is a schematic view of a three-dimensional front view structure of the present invention;

fig. 2 is a schematic view of the buffering mechanism of the present invention;

fig. 3 is a schematic view of the sealing mechanism of the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention.

In the figure: 1. a bridge post; 2. a bridge girder; 3. a bridge plate; 4. a drainage groove; 5. a support plate; 6. a buffer mechanism; 601. a first connecting plate; 602. a first elastic member; 603. a second connecting plate; 7. a sealing mechanism; 701. a chute; 702. a sealing plate; 703. a positioning cylinder; 704. a telescopic rod; 705. a collar; 706. a support bar; 707. a fixing plate; 708. a slider; 709. a second elastic member.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

This embodiment provides a bridge expansion joint seal structure, through setting up sealing mechanism 7 and drainage groove 4, the sealing mechanism 7 that utilizes to set up can all seal the expansion joint all the time, the drainage groove 4 that utilizes to set up can carry out the drainage to the rainwater and discharge, solved traditional bridge expansion joint and adopted the rubber slab to seal problem ageing easily, the sclerosis, drop even, guarantee that expansion joint structure's sealed effect can realize all the time, reached the purpose that improves bridge expansion joint seal structure's leakproofness and durability.

Referring to fig. 1 to 4, a sealing structure for a bridge expansion joint includes two symmetrical bridge columns 1.

Here, the bridge posts 1 are used to support the bridge deck 3.

One side face of each of the two bridge columns 1, which is close to each other, is fixedly connected with a bridge beam 2, and two symmetrical bridge plates 3 are arranged above the bridge beam 2.

Here, the bridge slab 3 may be a reinforced concrete slab.

The upper surface of the bridge girder 2 is fixedly connected with a supporting plate 5, and two symmetrical buffer mechanisms 6 are arranged above the bridge girder 2.

The damper mechanism 6 includes a first link plate 601.

Here, the first connection plate 601 and the bridge plate 3 are fixedly connected by screws.

The outer surface of the first connecting plate 601 is fixedly connected with the outer surface of the bridge plate 3.

A set of first elastic members 602 arranged at equal intervals is fixedly connected to the outer surface of the first connecting plate 601.

Here, the first elastic member 602 is a compression spring having a high stiffness coefficient, and can cushion a pressure generated by expansion and contraction of the bridge plate 3.

One end of each first elastic member 602 away from the first connecting plate 601 is fixedly connected with a second connecting plate 603.

When the bridge plate 3 takes place expend with heat and contract with cold, the bridge plate 3 can drive first connecting plate 601 and remove, compress or stretch first elastic component 602, can cushion the flexible produced pressure of bridge plate 3, reduce the flexible range of bridge plate 3 to the purpose that extension bridge plate 3 life has been reached.

And a sealing mechanism 7 is arranged above the bridge girder 2.

The sealing mechanism 7 comprises two symmetrical slide slots 701 and two symmetrical positioning cylinders 703, two slide slots 701.

Here, a baffle is disposed at the notch of the sliding groove 701, which can prevent the sealing plate 702 from taking out the sliding block 708 when moving, so that the expansion joint leaks out, and rainwater and dust enter the expansion joint.

Are all arranged on the outer surface of the supporting plate 5, and a sliding block 708 is fixedly connected on one side surface of the two sealing plates 702 close to each other.

The outer surfaces of the two sliding blocks 708 are connected with the inner portion of the sliding groove 701 in a sliding mode, the bottom surfaces of the two sealing plates 702 are fixedly connected with fixing plates 707, the bottom surfaces of the two fixing plates 707 are fixedly connected with supporting rods 706, and the bottom surfaces of the two supporting rods 706 are fixedly connected with lantern rings 705.

Here, the collar 705 is a square collar, so the shape of the extension rod 704 is consistent with the shape of the collar 705.

The side surfaces of the two collars 705 far away from each other are fixedly connected with the outer surface of the positioning cylinder 703.

One side face, away from each other, of the two positioning cylinders 703 is fixedly connected with the outer surface of the second connecting plate 603, the telescopic rods 704 are slidably connected inside the two positioning cylinders 703, and one ends, away from the positioning cylinders 703, of the two telescopic rods 704 are fixedly connected with the outer surface of the supporting plate 5.

The inside of the two lantern rings 705 is slidably connected with the outer surface of the telescopic rod 704, and one side of the two support rods 706 close to each other is fixedly connected with a second elastic part 709.

Here, the second elastic member 709 is a spring piece with a strong stiffness coefficient, which helps the support rod 706 to return when the bridge plate 3 shrinks.

One ends of the two second elastic members 709 away from the supporting rod 706 are fixedly connected with the outer surface of the supporting plate 5.

The sealing mechanism 7 includes two symmetrical sealing plates 702.

The face of the sealing plate 702 is set to be high at two sides and low in the middle, so that rainwater can be guided into the drainage grooves 4 more conveniently, and the sealing plate 702 and the bridge plate 3 can be fixedly connected through expansion screws.

Along with the removal of second connecting plate 603, it removes to drive a location section of thick bamboo 703, it slides at the surperficial of telescopic link 704 to drive lantern ring 705, it removes to drive bracing piece 706, compress or stretch second elastic component 709, it removes to drive fixed plate 707, it removes to drive sealing plate 702, it removes to drive slider 708 in spout 701 simultaneously, it all can seal the expansion joint to make sealing plate 702 all the time, drainage groove 4 can drain the rainwater simultaneously and discharge, prevent that the rainwater from soaking in the expansion joint, it adopts the rubber slab to seal easily ageing to have solved traditional bridge expansion joint, the sclerosis, the problem that drops even, guarantee that the sealed effect of expansion joint structure can realize all the time, the mesh of the leakproofness and the durability that improve bridge expansion joint seal structure has been reached.

Drainage grooves 4 are formed in the upper surfaces of the two sealing plates 702.

Here, drainage groove 4 can drain the rainwater, prevents that the rainwater from soaking in the expansion joint.

The working principle is as follows: when the bridge plate 3 expands with heat and contracts with cold, the bridge plate 3 can drive the first connecting plate 601 to move, the first elastic part 602 is compressed or stretched, and meanwhile, the second connecting plate 603 is driven to move, so that the pressure generated by the expansion and contraction of the bridge plate 3 can be buffered, the expansion and contraction amplitude of the bridge plate 3 is reduced, and the purpose of prolonging the service life of the bridge plate 3 is achieved; along with the removal of second connecting plate 603, it removes to drive a location section of thick bamboo 703, it slides at the surperficial of telescopic link 704 to drive lantern ring 705, it removes to drive bracing piece 706, compress or stretch second elastic component 709, it removes to drive fixed plate 707, it removes to drive sealing plate 702, it removes to drive slider 708 in spout 701 simultaneously, it all can seal the expansion joint to make sealing plate 702 all the time, drainage groove 4 can drain the rainwater simultaneously and discharge, prevent that the rainwater from soaking in the expansion joint, it adopts the rubber slab to seal easily ageing to have solved traditional bridge expansion joint, the sclerosis, the problem that drops even, guarantee that the sealed effect of expansion joint structure can realize all the time, the mesh of the leakproofness and the durability that improve bridge expansion joint seal structure has been reached.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a bridge expansion joint seal structure, includes two symmetrical crane span structure posts (1), its characterized in that: two a side fixedly connected with bridge beam (2) that bridge post (1) is close to each other, the top of bridge beam (2) is equipped with two symmetrical decking (3), the last fixed surface of bridge beam (2) is connected with backup pad (5), the top of bridge beam (2) is equipped with two symmetrical buffer gear (6), the top of bridge beam (2) is equipped with sealing mechanism (7), sealing mechanism (7) include two symmetrical closing plate (702), two drainage groove (4) have all been seted up to the upper surface of closing plate (702).

2. The seal structure for a bridge expansion joint according to claim 1, wherein: the buffer mechanism (6) comprises a first connecting plate (601), and the outer surface of the first connecting plate (601) is fixedly connected with the outer surface of the bridge plate (3).

3. The seal structure for a bridge expansion joint according to claim 2, wherein: the outer surface of the first connecting plate (601) is fixedly connected with a group of first elastic pieces (602) which are arranged at equal intervals, and one end, far away from the first connecting plate (601), of each first elastic piece (602) is fixedly connected with a second connecting plate (603).

4. The sealing structure for a bridge expansion joint according to claim 1, wherein: the sealing mechanism (7) comprises two symmetrical sliding grooves (701) and two symmetrical positioning cylinders (703), the two sliding grooves (701) are arranged on the outer surface of the supporting plate (5), and sliding blocks (708) are fixedly connected to one side surfaces, close to each other, of the two sealing plates (702).

5. The seal structure for a bridge expansion joint according to claim 4, wherein: the outer surfaces of the two sliding blocks (708) are connected with the inner portion of the sliding groove (701) in a sliding mode, the bottom surfaces of the two sealing plates (702) are fixedly connected with fixing plates (707), the bottom surfaces of the two fixing plates (707) are fixedly connected with supporting rods (706), the bottom surfaces of the two supporting rods (706) are fixedly connected with lantern rings (705), and one side face, away from each other, of each lantern ring (705) is fixedly connected with the outer surface of the positioning cylinder (703).

6. The seal structure for a bridge expansion joint according to claim 5, wherein: one side face, far away from each other, of each of the two positioning cylinders (703) is fixedly connected with the outer surface of the second connecting plate (603), the inner portions of the two positioning cylinders (703) are connected with telescopic rods (704) in a sliding mode, and one ends, far away from the positioning cylinders (703), of the two telescopic rods (704) are fixedly connected with the outer surface of the supporting plate (5).

7. The seal structure for a bridge expansion joint according to claim 6, wherein: two the inside of the lantern ring (705) all with the surface sliding connection of telescopic link (704), two a side that bracing piece (706) are close to each other all fixedly connected with second elastic component (709), two the one end that bracing piece (706) were kept away from to second elastic component (709) all is connected with the surface fixed of backup pad (5).