CN219010940U

CN219010940U - Assembled bridge expansion joint

Info

Publication number: CN219010940U
Application number: CN202223442637.5U
Authority: CN
Inventors: 啜明明; 刘路杨; 刘路平; 孙国辉; 陈凯
Original assignee: Hebei Juntu Metal Products Co ltd
Current assignee: Hebei Juntu Metal Products Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-12
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses an assembled bridge expansion joint, which relates to the technical field of bridge expansion joints and comprises a left beam body, a right beam body and two concrete blocks, wherein mounting plates are arranged on the outer surface of the left beam body and the outer surface of the right beam body, a water stop belt is arranged between the left beam body and the right beam body, two side surfaces of the water stop belt are respectively arranged on the outer surfaces of the two concrete blocks, a left comb plate is arranged on the upper surface of one concrete block, and a right comb plate is arranged on the upper surface of the other concrete block. The damping mechanism is arranged, so that the damping effect of the bridge expansion joint can be effectively improved, the vehicle can be driven smoothly, the speed and the comfortableness of the vehicle can be effectively guaranteed, and when the vehicle passes through the left comb plate and the right comb plate, the piston plate can be driven to slide along the piston cylinder and compress the air inside the second spring and the piston cylinder through the cooperation among the piston cylinder, the piston plate, the second spring and the piston rod, so that the vibration suffered by the vehicle can be greatly lightened.

Description

Assembled bridge expansion joint

Technical Field

The utility model relates to the technical field of bridge expansion joints, in particular to an assembled bridge expansion joint.

Background

The bridge is provided with the expansion joint, so that the bridge can be longitudinally and freely expanded and deformed under the actions of temperature change, concrete shrinkage and creep and live load, and excessive secondary internal force is prevented. The bridge expansion joint device must have good flatness, can bear various vehicle load effects, is firm, reliable and durable, and has the characteristics of convenient installation, convenient maintenance and replacement. Because the bridge expansion joint bears the repeated action of the wheel load, the impact caused by the unevenness of the expansion joint position can damage the expansion joint, so the expansion joint is one of the parts of the bridge which are most easily damaged and have higher maintenance difficulty, and the maintenance or replacement frequency is higher.

According to the chinese patent of application number 202221993657.9, an assembled bridge expansion joint structure is disclosed, including the bridge body, the bridge body is including the bridge board that distributes in pairs, and two first recess and second recess have been seted up respectively on the opposite one side top of bridge board, fixed mounting has first broach board and second broach board in first recess and the second recess respectively, just install the waterproof board between first recess and the second recess, first broach board and second broach board with same group all be equipped with fixed knot constructs between the elastic sealing pad.

By adopting the scheme, the movable distance of the first comb plate and the second comb plate can be supplemented, the waterproof effect is achieved, soil is prevented from entering gaps of the first comb plate and the second comb plate, the practicability of the equipment is improved, but the shock absorption effect of the scheme is poor, and the speed and the comfort of a passing vehicle cannot be guaranteed; for this reason, we provide an assembled bridge expansion joint solving the above problems.

Disclosure of Invention

The utility model aims to make up the defects of the prior art and provides an assembled bridge expansion joint.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an assembled bridge expansion joint, includes the left beam body, right beam body and two concrete blocks, the mounting panel is all installed to the surface of the left beam body and the surface of the right beam body, be provided with the waterstop between the left beam body and the right beam body, the surface at two concrete blocks is installed respectively to the both sides face of waterstop, one of them the upper surface mounting of concrete block has left broach board, another the upper surface mounting of concrete block has right broach board, two the top of mounting panel all is provided with damper.

Further, the damping mechanism comprises a first U-shaped plate fixedly connected to the upper surface of the mounting plate, and a cylinder shaft is fixedly connected to the inner part of the first U-shaped plate.

Further, the surface sliding connection of cylinder axle has two second U-shaped boards, two the equal fixedly connected with first spring of one side that the second U-shaped board kept away from each other, two the one end that the first spring kept away from each other all with the inner wall fixed connection of first U-shaped board.

Further, two the inside of second U shaped plate all articulates there is the connecting rod, the bottom surface fixedly connected with worker's board of concrete block, two the connecting rod is kept away from the one end of two second U shaped plates and all is articulated mutually with the worker's board.

Further, the damping mechanism further comprises a piston cylinder fixedly connected to the upper surface of the mounting plate, a piston plate is slidably connected to the interior of the piston cylinder, a second spring is fixedly connected to the bottom surface of the piston plate, and one end, away from the piston plate, of the second spring is fixedly connected with the inner bottom wall of the piston cylinder.

Further, one surface of the piston plate, which is far away from the second spring, is fixedly connected with a piston rod, and one end of the piston rod, which is far away from the piston plate, penetrates through the piston cylinder and is fixedly connected with the bottom surface of the concrete block.

Compared with the prior art, the assembled bridge expansion joint has the following beneficial effects:

1. according to the utility model, the damping effect of the bridge expansion joint can be effectively improved by arranging the damping mechanism, so that the vehicle can be driven smoothly, and the speed and the comfort of the passing vehicle are effectively ensured.

2. According to the utility model, through the cooperation among the piston cylinder, the piston plate, the second spring and the piston rod, when a vehicle passes through the left comb plate and the right comb plate, the piston plate can be driven to slide along the piston cylinder and compress air in the second spring and the piston cylinder, so that vibration suffered by the vehicle can be greatly reduced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a schematic illustration of the connection of the concrete block and the water stop of the present utility model;

FIG. 4 is a schematic perspective view of the mounting plate and shock absorbing mechanism of the present utility model;

fig. 5 is a schematic illustration of the connection of the piston plate and piston rod of the present utility model.

In the figure: 1. a left beam body; 2. a right beam body; 3. a concrete block; 4. a left comb plate; 5. a right comb plate; 6. a mounting plate; 7. a damping mechanism; 701. a first U-shaped plate; 702. a cylindrical shaft; 703. a second U-shaped plate; 704. a first spring; 705. a I-shaped plate; 706. a connecting rod; 707. a piston cylinder; 708. a piston plate; 709. a second spring; 710. a piston rod; 8. and a water stop.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

The embodiment provides an assembled bridge expansion joint, and the device is used for installing bridge telescoping device fast, through the damper 7 that sets up, can effectively improve the shock attenuation effect of bridge expansion joint to can make the vehicle drive smoothly, effectively guarantee the speed and the travelling comfort of going through the vehicle.

Referring to fig. 1 to 5, an assembled bridge expansion joint comprises a left beam body 1, a right beam body 2 and two concrete blocks 3, wherein mounting plates 6 are respectively arranged on the outer surface of the left beam body 1 and the outer surface of the right beam body 2, a water stop belt 8 is arranged between the left beam body 1 and the right beam body 2, two side surfaces of the water stop belt 8 are respectively arranged on the outer surfaces of the two concrete blocks 3, a left comb plate 4 is arranged on the upper surface of one concrete block 3, a right comb plate 5 is arranged on the upper surface of the other concrete block 3, and damping mechanisms 7 are respectively arranged above the two mounting plates 6.

The notch with mounting panel 6 looks adaptation has all been seted up to the inside of the left beam body 1 and the inside of the right beam body 2, and this device each position all passes through screw field installation, and during maintenance was changed, only need unscrew the screw carry out the part change can, need not to construct bridge itself to can reach the effect of quick installation and change, through setting up damper 7, can effectively improve the shock attenuation effect of bridge expansion joint, thereby can make the vehicle drive smoothly, effectively guaranteed the speed and the travelling comfort of going through the vehicle.

The damper 7 includes the first U-shaped plate 701 of fixed connection at mounting panel 6 upper surface, the inside fixedly connected with cylinder axle 702 of first U-shaped plate 701, the surface sliding connection of cylinder axle 702 has two second U-shaped plates 703, the equal fixedly connected with first spring 704 of one side that two second U-shaped plates 703 kept away from each other, the one end that two first springs 704 kept away from each other all with the inner wall fixed connection of first U-shaped plate 701, have great sliding friction between cylinder axle 702 and the second U-shaped plate 703, when first spring 704 takes place deformation, can prevent that second U-shaped plate 703 from reciprocating sliding along cylinder axle 702.

The inside of two second U-shaped plates 703 all articulates there is connecting rod 706, the bottom surface fixedly connected with worker's shaped plate 705 of concrete piece 3, the one end that two connecting rod 706 kept away from two second U-shaped plates 703 all articulates with worker's shaped plate 705, when the vehicle walk left broach board 4 and right broach board 5, can drive concrete piece 3 and move down, concrete piece 3 moves down and can drive worker's shaped plate 705 and piston rod 710 to move down, worker's shaped plate 705 moves down and can drive two connecting rod 706 and rotate down, two connecting rod 706 rotates down and can drive two second U-shaped plates 703 and move and compress two first springs 704 along cylinder 702 to their direction that keeps away from each other.

The damping mechanism 7 further comprises a piston cylinder 707 fixedly connected to the upper surface of the mounting plate 6, a piston plate 708 is slidingly connected to the interior of the piston cylinder 707, a second spring 709 is fixedly connected to the bottom surface of the piston plate 708, one end of the second spring 709, which is far away from the piston plate 708, is fixedly connected to the inner bottom wall of the piston cylinder 707, a piston rod 710 is fixedly connected to one surface of the piston plate 708, which is far away from the second spring 709, and one end of the piston rod 710, which is far away from the piston plate 708, penetrates through the piston cylinder 707 and is fixedly connected with the bottom surface of the concrete block 3, and the piston rod 710 moves downwards to drive the piston plate 708 to slide along the piston cylinder 707 and compress air inside the second spring 709 and the piston cylinder 707, so that vibration suffered by a vehicle can be greatly relieved, and the speed and comfort of the traveling vehicle are effectively ensured.

Working principle: when the hydraulic bridge is used, the two mounting plates 6 are firstly respectively mounted on the left beam body 1 and the right beam body 2 through the first screws, then the water stop belt 8 is mounted between the two concrete blocks 3 through the second screws, then the left comb plate 4 and the right comb plate 5 are respectively mounted on the two concrete blocks 3 through the third screws, all parts are mounted on site through the screws, and when the hydraulic bridge is maintained and replaced, only the screws are required to be unscrewed for part replacement, construction on the bridge is not needed, so that the effect of quick mounting and replacement can be achieved, when a vehicle passes through the left comb plate 4 and the right comb plate 5, the concrete blocks 3 can be driven to move downwards, the working plate 705 and the piston rod 710 can be driven to move downwards through the second screws, the working plate 705 can be driven to rotate downwards through the third screws, the two connecting rods 706 can be driven to move downwards along the directions of the second U-shaped plates 702 far away from each other, the two first springs 704 and the piston springs 708 are compressed, the working plate 708 can be driven to move downwards along the cylinder 702, the second springs 709 and the cylinder piston rod 709 can be compressed, and the vibration of the vehicle can be greatly relieved, and the vehicle can be driven to vibrate through the cylinder 707 can be compressed, and the vehicle can be greatly and the vehicle can be driven to vibrate and the vehicle can be more comfortable.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides an assembled bridge expansion joint, includes left beam body (1), right beam body (2) and two concrete blocks (3), its characterized in that: the utility model discloses a concrete bridge, including left roof beam body (1), right roof beam body (2), mounting panel (6) are all installed to the surface of left roof beam body (1) and the surface of right roof beam body (2), be provided with waterstop (8) between left roof beam body (1) and right roof beam body (2), the surface at two concrete blocks (3) is installed respectively to the both sides face of waterstop (8), one of them the upper surface mounting of concrete block (3) has left broach board (4), another the upper surface mounting of concrete block (3) has right broach board (5), two the top of mounting panel (6) all is provided with damper (7).

2. The assembled bridge expansion joint of claim 1, wherein: the damping mechanism (7) comprises a first U-shaped plate (701) fixedly connected to the upper surface of the mounting plate (6), and a cylindrical shaft (702) is fixedly connected to the inside of the first U-shaped plate (701).

3. A fabricated bridge expansion joint as claimed in claim 2, wherein: the outer surface sliding connection of cylinder axle (702) has two second U shaped plates (703), two the equal fixedly connected with first spring (704) of one side that second U shaped plate (703) kept away from each other, two the one end that first spring (704) kept away from each other all with the inner wall fixed connection of first U shaped plate (701).

4. A fabricated bridge expansion joint according to claim 3, wherein: the inside of two second U shaped plate (703) all articulates there is connecting rod (706), the bottom surface fixedly connected with worker shaped plate (705) of concrete piece (3), two connecting rod (706) keep away from the one end of two second U shaped plate (703) all with worker shaped plate (705) articulated mutually.

5. The assembled bridge expansion joint of claim 1, wherein: the damping mechanism (7) further comprises a piston cylinder (707) fixedly connected to the upper surface of the mounting plate (6), a piston plate (708) is slidably connected to the interior of the piston cylinder (707), a second spring (709) is fixedly connected to the bottom surface of the piston plate (708), and one end, far away from the piston plate (708), of the second spring (709) is fixedly connected with the inner bottom wall of the piston cylinder (707).

6. The assembled bridge expansion joint of claim 5, wherein: one surface of the piston plate (708) far away from the second spring (709) is fixedly connected with a piston rod (710), and one end of the piston rod (710) far away from the piston plate (708) penetrates through the piston cylinder (707) and is fixedly connected with the bottom surface of the concrete block (3).