CN211815563U

CN211815563U - Rail engineering bridge expansion joint device

Info

Publication number: CN211815563U
Application number: CN202020109173.8U
Authority: CN
Inventors: 钱治国; 何炳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-10-30
Anticipated expiration: 2030-01-18

Abstract

The utility model provides a rail engineering bridge expansion joint device, which comprises a beam body, wherein a sealing support component is arranged at the gap between the beam body and the beam body, a connecting rod arranged along the length direction of the beam body is arranged at the bottom of the sealing support component, sleeves are arranged on the beam body corresponding to the two ends of the connecting rod, a bar-shaped floating hole matched with the connecting rod is arranged at one side, opposite to each sleeve, along the vertical direction, a support guide ring is arranged in each sleeve, the connecting rod movably passes through the bar-shaped floating hole and the support guide ring along the horizontal direction, and a positioning guide buffer component is arranged at the bottom of each support guide ring; the beam bodies are stretched through the mutual matching of the connecting rod, the sleeve and the telescopic spring, and the sealing support assembly is buffered through the mutual matching of the connecting rod, the support guide ring, the strip-shaped floating hole and the positioning guide buffer assembly; the utility model discloses simple structure, compactness, excellent in use effect is worth using widely.

Description

Rail engineering bridge expansion joint device

Technical Field

The utility model relates to an equipment for the track engineering specifically is a track engineering bridge expansion joint device.

Background

A bridge expansion joint is defined as an expansion joint between two beam ends, between a beam end and an abutment, or at a hinge joint of a bridge, in order to meet the requirement of deformation of a bridge deck. The existing expansion joint is found in the using process, the joint is not stable enough, the damage is easily caused, the safety of the bridge is affected, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a track engineering bridge expansion joint device 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 rail engineering bridge expansion joint device comprises a beam body, wherein a sealing support assembly is arranged at a gap between the beam body and the beam body, a connecting rod arranged along the length direction of the beam body is arranged at the bottom of the sealing support assembly, sleeves are arranged on the beam body corresponding to two ends of the connecting rod, two ends of the connecting rod movably extend into the corresponding sleeves, and expansion springs fixedly connected with the connecting rod are arranged in each sleeve along the horizontal direction;

a strip-shaped floating hole matched with the connecting rod is arranged on one side, opposite to each sleeve, of each sleeve along the vertical direction, a supporting guide ring is arranged in each sleeve, the connecting rod movably penetrates through the strip-shaped floating hole and the supporting guide ring along the horizontal direction, and a positioning guide buffer assembly is arranged at the bottom of each supporting guide ring; through mutually supporting of connecting rod, sleeve and expanding spring, stretch out and draw back between the roof beam body, through the mutually supporting of connecting rod, support guide ring, the unsteady hole of bar and location direction buffering subassembly, cushion sealed supporting component.

As a further aspect of the present invention: the sealing support component consists of a support plate arranged between the beam body and the beam body, a sealing strip arranged between two ends of the support plate and the corresponding beam body, and a support rod arranged at the bottom of the support plate and fixedly connected with the connecting rod.

As a further aspect of the present invention: the inner ring of the support guide ring is provided with ball grooves at intervals along the circumferential direction, balls are correspondingly arranged in the ball grooves, and the balls are tangent to the connecting rod.

As a further aspect of the present invention: and an auxiliary buffer spring is arranged between the top of the support guide ring and the sleeve.

As a further aspect of the present invention: the positioning guide buffering assembly comprises a supporting rod fixed to the bottom of a supporting guide ring, a connecting cylinder is arranged at the bottom of the sleeve along the vertical direction, the lower end of the supporting rod movably extends into the connecting cylinder, a limiting plate connected with the connecting cylinder in a sliding mode is arranged at the lower end of the supporting rod, and a buffering spring is arranged at the bottom of the limiting plate.

As a further aspect of the present invention: the both ends of connecting rod are equipped with the stopper, each expanding spring and the stopper fixed connection that corresponds, and the stopper is bigger than the unsteady hole of bar.

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

the utility model adopts the above structure after, through the bar floating hole that sets up, support the guide ring and fix a position mutually supporting between the direction buffering subassembly, when not influencing the expansion joint level flexible, can make the bridge freely stretch out and draw back in vertical direction to can cushion the backup pad, avoid the backup pad to damage, stability when increasing the device and using, it is firm reliable during the use, simple structure, convenient to use. Through mutually supporting of the ball that sets up and ball groove, can make things convenient for the connecting rod to follow and support the guide ring horizontal slip, reduce the friction, guarantee that the device can normal use. The utility model discloses simple structure, compactness, excellent in use effect is worth using widely.

Drawings

Fig. 1 is a schematic structural view of an expansion joint device for a railroad bridge.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

In the figure: 1. a beam body; 2. a seal support assembly; 201. a support plate; 202. sealing tape; 203. a support bar; 3. a connecting rod; 301. a limiting block; 4. a sleeve; 5. a tension spring; 6. a strip-shaped floating hole; 7. a support guide ring; 701. a ball groove; 702. a ball bearing; 703. an auxiliary buffer spring; 8. a positioning guide buffer component; 801. a strut; 802. a connecting cylinder; 803. a limiting plate; 804. a buffer spring.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a rail engineering bridge expansion joint device includes a beam body 1, a sealing support component 2 is disposed at a gap between the beam body 1 and the beam body 1, a connecting rod 3 disposed along a length direction of the beam body 1 is disposed at a bottom of the sealing support component 2, sleeves 4 are disposed on the beam body 1 corresponding to two ends of the connecting rod 3, two ends of the connecting rod 3 movably extend into the corresponding sleeves 4, and a telescopic spring 5 fixedly connected to the connecting rod 3 is disposed in each sleeve 4 along a horizontal direction; a strip-shaped floating hole 6 which is matched with the connecting rod 3 is arranged on one side, opposite to each sleeve 4, along the vertical direction, a supporting guide ring 7 is arranged in each sleeve 4, the connecting rod 3 movably penetrates through the strip-shaped floating hole 6 and the supporting guide ring 7 along the horizontal direction, and a positioning guide buffer assembly 8 is arranged at the bottom of each supporting guide ring 7; through mutually supporting of connecting rod 3, sleeve 4 and expanding spring 5, stretch out and draw back between the roof beam body 1, through the mutually supporting of connecting rod 3, support guide ring 7, the unsteady hole 6 of bar and location direction buffering subassembly 8, cushion sealed supporting component 2. When not influencing the expansion joint level and stretching out and drawing back, can make the bridge freely stretch out and draw back in vertical direction to can cushion sealed supporting component 2, avoid supporting component to damage, stability when increasing the device and using, it is firm reliable during the use, simple structure, convenient to use.

Furthermore, the sealing support component 2 is composed of a support plate 201 arranged between the beam body 1 and the beam body 1, a sealing strip 202 arranged between two ends of the support plate 201 and the corresponding beam body 1, and a support rod 203 arranged at the bottom of the support plate 201 and fixedly connected with the connecting rod 3, and can support the automobile running on the bridge floor, and the sealing strip 202 can prevent rainwater or other sundries from entering the expansion joint.

Furthermore, the inner ring of the support guide ring 7 is provided with ball grooves 701 at intervals along the circumferential direction, balls 702 are correspondingly arranged in the ball grooves 701, and the balls 702 are tangent to the connecting rod 3, so that the connecting rod 3 can conveniently slide horizontally along the support guide ring 7, friction is reduced, and normal use of the device is ensured.

Furthermore, an auxiliary buffer spring 703 is arranged between the top of the support guide ring 7 and the sleeve 4, so as to assist in buffering.

Further, location direction buffering subassembly 8 is including fixing the branch 801 in supporting guide ring 7 bottom, be equipped with connecting cylinder 802 along vertical direction in sleeve 4 bottom, branch 801 lower extreme activity stretches into in connecting cylinder 802, be equipped with at the lower extreme of branch 801 with connecting cylinder 802 sliding connection's limiting plate 803, be equipped with buffer spring 804 in the bottom of limiting plate 803, can fix a position support guide ring 7, make the unable horizontal migration of support guide ring 7, can make support guide ring 7 cushion by vertical direction simultaneously, thereby cushion other parts in the device.

Further, the both ends of connecting rod 3 are equipped with stopper 301, and each expanding spring 5 and the stopper 301 fixed connection that corresponds, stopper 301 are than the bar hole 6 that floats big, can carry on spacingly to connecting rod 3.

The utility model discloses a theory of operation is: when in use, the beam body 1 can horizontally stretch and contract through the mutual matching of the connecting rod 3, the sleeve 4 and the telescopic spring 5; through the mutual cooperation of connecting rod 3, support guide ring 7, the floating hole of bar 6 and location direction buffering subassembly 8, cushion sealed supporting component 2. When not influencing the expansion joint level and stretching out and drawing back, can make the bridge freely stretch out and draw back in vertical direction to can cushion sealed supporting component 2, avoid supporting component to damage, stability when increasing the device and using.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A rail engineering bridge expansion joint device comprises a beam body (1), and is characterized in that a sealing support component (2) is arranged at a gap between the beam body (1) and the beam body (1), a connecting rod (3) arranged along the length direction of the beam body (1) is arranged at the bottom of the sealing support component (2), sleeves (4) are arranged on the beam body (1) corresponding to the two ends of the connecting rod (3), the two ends of the connecting rod (3) movably extend into the corresponding sleeves (4), and an expansion spring (5) fixedly connected with the connecting rod (3) is arranged in each sleeve (4) along the horizontal direction;

a strip-shaped floating hole (6) which is matched with the connecting rod (3) is arranged on one side, opposite to each sleeve (4), along the vertical direction, a supporting guide ring (7) is arranged in each sleeve (4), the connecting rod (3) movably penetrates through the strip-shaped floating hole (6) and the supporting guide ring (7) along the horizontal direction, and a positioning guide buffer assembly (8) is arranged at the bottom of each supporting guide ring (7); through mutually supporting of connecting rod (3), sleeve (4) and expanding spring (5), stretch out and draw back between the roof beam body (1), through mutually supporting of connecting rod (3), support guide ring (7), the unsteady hole of bar (6) and location direction buffering subassembly (8), cushion sealed supporting component (2).

2. The rail-engineered bridge expansion joint device of claim 1, wherein the sealing support assembly (2) comprises a support plate (201) disposed between the beam body (1) and the beam body (1), a sealing tape (202) disposed between two ends of the support plate (201) and the corresponding beam body (1), and a support rod (203) disposed at the bottom of the support plate (201) and fixedly connected to the connecting rod (3).

3. The railroad engineering bridge expansion joint device according to claim 1, wherein the inner ring of the supporting and guiding ring (7) is provided with ball grooves (701) at intervals along the circumferential direction, balls (702) are correspondingly arranged in the ball grooves (701), and the balls (702) are tangent to the connecting rod (3).

4. The expansion joint device for the railroad engineering bridge as claimed in claim 1, wherein an auxiliary buffer spring (703) is provided between the top of the supporting guide ring (7) and the sleeve (4).

5. The rail-engineered bridge expansion joint device of claim 1, wherein the positioning, guiding and buffering assembly (8) comprises a supporting rod (801) fixed at the bottom of the supporting and guiding ring (7), a connecting cylinder (802) is arranged at the bottom of the sleeve (4) along the vertical direction, the lower end of the supporting rod (801) movably extends into the connecting cylinder (802), a limiting plate (803) slidably connected with the connecting cylinder (802) is arranged at the lower end of the supporting rod (801), and a buffering spring (804) is arranged at the bottom of the limiting plate (803).

6. The rail-engineered bridge expansion joint device of claim 1, wherein two ends of the connecting rod (3) are provided with limit blocks (301), each expansion spring (5) is fixedly connected with the corresponding limit block (301), and the limit blocks (301) are larger than the strip-shaped floating holes (6).