CN113914155A

CN113914155A - Suspension type track switch roof beam and track locking compensation mechanism for roof beam

Info

Publication number: CN113914155A
Application number: CN202111366686.2A
Authority: CN
Inventors: 张宁; 朱舟; 张立学; 余锋; 张子恒
Original assignee: China Railway Baoji Bridge Group Co Ltd
Current assignee: China Railway Baoji Bridge Group Co Ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-01-11

Abstract

The invention discloses a suspension type track turnout beam and a locking compensation mechanism for the track beam, which comprise a locking device, a linkage device and a compensation plate, wherein the locking device can lock or unlock the track beam and the turnout beam, and the locking device can drive the linkage device to drive the compensation plate to realize vertical lifting when locking or unlocking; by adopting the structure, the compensation plate does not need to be turned over to give way or compensate, but gives way or compensate through vertical movement, so that no hinged relation exists between the compensation plate and the track beam, and the travelling wheel can not impact the joint of the compensation plate and the track plate when passing through, so that the device is stable in operation, safe and reliable.

Description

Suspension type track switch roof beam and track locking compensation mechanism for roof beam

Technical Field

The invention relates to the field of suspension type rail transit, in particular to a turnout beam and rail beam locking compensation mechanism.

Background

The suspension type rail transit system is a new national traffic system, the mobile suspension type vehicle wire changing equipment is an important component of the suspension type rail transit, and meanwhile, the wire changing equipment has the characteristics of high switching precision, good stability, safety, reliability, long service life and the like.

Need remove through the switch roof beam at suspension type track traffic switch department and realize the line change operation, can leave the clearance between switch roof beam and the corresponding track roof beam butt joint back that targets in place, it is flexible mainly to consider track roof beam and switch roof beam to receive ambient temperature to influence the production, must reserve the expansion joint, the expansion joint can dwindle under the higher condition of temperature, and the expansion joint can increase under the lower condition of temperature, can all produce great vibrations when the driving wheel passes through, in order to compensate these not enough, set up trapezoidal breach and pass through the compensating plate and fill the breach in switch roof beam and track roof beam butt joint department, thereby make the expansion joint and the driving wheel axis become the contained angle and reduce vibrations.

At present, after the mobile suspension type vehicle wire-changing equipment is switched in place, two methods exist for locking and interface compensation functions, one method adopts two power sources to respectively realize two functions, the other method adopts a locking turnover mechanism to realize two functions through one power source (as in patent 201720215581.X), but certain defects exist in the two methods, the first power source is too much, and because of the limitation of a suspension type track system, the interface compensation power source is inconvenient to arrange, although realize one power source in the second, but the driving wheel can form vibration impact on the hinged part of the compensation plate when passing through the compensation plate, easily cause the compensation plate to tilt, cause driving vibration aggravation, can not fully satisfy the requirements of high stability and safety and reliability.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a locking compensation mechanism which is stable in operation, safe and reliable, and adopts the technical scheme that:

the utility model provides a suspension type track switch roof beam and track locking compensation mechanism for roof beam, includes locking device and aggregate unit and compensating plate, locking device can carry out track roof beam and switch roof beam locking or unblock action, locking device can drive aggregate unit and drive the compensating plate and realize vertical lift when locking or unblock action.

Furthermore, the linkage device and the compensation plate are symmetrically provided with a pair on two sides of the track beam.

Furthermore, locking device include distance rod, guide holder, locking seat and stop pin, the stop pin be connected with the distance rod and the slip sets up in the guide holder, the distance rod can promote the stop pin and insert the locking of realizing track roof beam and switch roof beam in the locking seat.

Furthermore, the thrust rod is an electric push rod or a hydraulic rod.

Furthermore, the linkage device comprises a slideway, a connecting rod and a lifting rod, the connecting rod is connected with a locking device and is arranged in the slideway in a sliding manner, the locking device can drive the connecting rod to move along the slideway, and two ends of the lifting rod are respectively hinged with the connecting rod and the compensating plate; and a guide groove is also formed in the side wall of the track beam along the vertical direction, and a hinge pin shaft at the hinge position of the lifting rod and the compensation plate is arranged in the guide groove in a sliding manner.

Furthermore, a lifting lug hinged with the lifting rod is arranged on the compensation plate and is positioned on the center line of the compensation plate.

Furthermore, the compensation plate is fixedly connected with a hinge pin shaft at the hinge position of the lifting rod, and one end of the hinge pin shaft, which is positioned in the guide groove, is a rectangular sliding block or a pin shaft with a plane.

Furthermore, the bottom of the compensation plate is provided with a limiting plate which can be clamped on the support ribs of the track beam and the turnout beam.

By adopting the structure, the compensation plate does not need to be turned over to give way or compensate, but gives way or compensate through vertical movement, so that no hinged relation exists between the compensation plate and the track beam, and the travelling wheel can not impact the joint of the compensation plate and the track plate when passing through, so that the device is stable in operation, safe and reliable.

Drawings

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

FIG. 2 is a schematic bottom view of the present invention.

Detailed Description

The invention provides a locking compensation mechanism which is characterized in that a turnout beam in a suspension type track beam is butted with the track beam through movement, the turnout beam is required to be locked and positioned when being butted with the track beam after the turnout beam is moved, the deviation of the turnout beam caused by vibration in the running process of a vehicle is avoided, meanwhile, the expansion joint between the turnout beam and the track beam is also required to be compensated, in order to realize the locking between the turnout beam and the track beam and compensate the expansion joint, the locking compensation mechanism provided by the invention comprises a locking device 1, a linkage device 2 and a compensation plate 3, when the turnout beam A is moved to a position butted with the track beam B, the locking device 1 can lock and position the turnout beam A and the track beam B, the linkage device 2 is driven to drive the compensation plate 3 to realize the compensation of the position of the gap of the expansion joint in the locking process, and the linkage device 2 can be driven to drive the compensation plate 3 to be separated from the position of the expansion joint in the unlocking process of the locking device 1, the turnout beam is moved to give way, so that the movement of the turnout beam cannot be blocked, and the compensation plate 3 is lifted in the locking and unlocking processes of the locking device 1.

The specific structure is as shown in figure 1, the locking device 1 comprises a thrust rod 1-1, a guide seat 1-2, a locking seat 1-3 and a locking pin 1-4, the thrust rod 1-1 and the guide seat 1-2 are fixed on a track beam, the locking seat 1-3 is arranged on a turnout beam, the locking pin 1-4 is arranged in the guide seat 1-2 in a sliding manner and connected with the thrust rod 1-1, the thrust rod 1-1 can drive the locking pin 1-4 to move in the guide seat 1-2, the thrust rod 1-1 can drive the locking pin 1-4 to be inserted into the locking seat 1-3 after the turnout beam is in butt joint with the track beam so as to realize locking action on the track beam B and the turnout beam A, the unlocking process is opposite, namely the thrust rod 1-1 drives the locking pin 1-4 to be separated from the locking seat 1-3 to realize unlocking, the thrust rod 1-1 can be realized by a straight moving device such as an electric push rod or a hydraulic rod.

The linkage device 2 comprises a slideway 2-1, a connecting rod 2-2 and a lifting rod 2-3, wherein the slideway 2-1 is arranged on a track beam, the connecting rod 2-2 is connected with a locking device 1, referring to figure 1, namely the connecting rod 2-2 is connected with a thrust rod 1-1, the thrust rod 1-1 can drive the connecting rod 2-2 to move in the slideway 2-1 when moving, two ends of the lifting rod 2-3 are respectively hinged with the connecting rod 2-2 and the thrust rod 1-1, one side of the track beam B is also provided with a guide groove 2-4, the guide groove 2-4 is vertically arranged, a hinge pin at the hinge position of the lifting rod 2-3 and a compensation plate 3 is arranged in the guide groove 2-4 in a sliding manner, in order to avoid the compensation plate 3 from rotating around the hinge position of the lifting rod 2-3, a rectangular sliding block is arranged at the hinge pin end part of the hinge position of the lifting rod 2-3 and the compensation plate 3 or the hinge pin is provided with the hinge pin The planar pin shaft, the hinge pin shaft and the guide groove 2-4 are matched to realize rotation prevention, namely, the compensation plate 3 is fixedly connected with the hinge pin shaft, the lifting rod 2-3 is movably connected with the hinge pin shaft, one end of the hinge pin shaft, which is arranged in the guide groove 2-4, is provided with a rectangular sliding block or a planar pin shaft, so that the compensation plate 3 can be prevented from rotating, and the hinge relation between the lifting rod 2-3 and the compensation plate can be ensured. When the thrust rod 1-1 moves, the connecting rod 2-2 can be driven to move along the slideway 2-1, the connecting rod 2-2 moves to drive the lifting rod 2-3 to drive the compensating plate 3 to move, and the compensating plate 3 moves to realize lifting through the guide of the guide groove 2-4.

As shown in figure 2, the power wheel passes through the compensating plate 3 to generate certain impact compared with the compensating plate 3 and apply certain pressure, in order to avoid damaging the linkage device 2 by the impact, a section of supporting rib C extends from the bottoms of the turnout beam and the track beam, and the bottom of the compensating plate 3 can be supported by the supporting rib when falling into a compensating position so as to provide enough supporting force for the compensating plate and offset the impact force to the compensating plate 3 and the linkage device 2 when the power wheel passes through. And in order to provide better spacing for the compensating plate 3, the bottom of the compensating plate 3 is also provided with a limiting plate 3-2, and when the compensating plate 3 falls into the compensating position, the limiting plate 3-2 can be clamped on two sides of the supporting rib C to limit the compensating plate 3.

As the expansion joints at two sides of the track beam and the turnout beam are compensated by the compensation plate 3 as shown in figure 1, a pair of linkage devices 2 and the compensation plate 3 are symmetrically arranged at two sides of the track beam, and the specific structure is consistent with the structure.

Claims

1. The utility model provides a suspension type track switch roof beam and track locking compensation mechanism for roof beam, includes locking device (1) and aggregate unit (2) and compensating plate (3), its characterized in that: the locking device (1) can lock or unlock the track beam and the turnout beam, and the locking device (1) can drive the linkage device (2) to drive the compensation plate (3) to realize vertical lifting when locking or unlocking.

2. The locking compensation mechanism for the turnout beam and track beam of the suspension track according to claim 1, wherein: and a pair of linkage devices (2) and compensation plates (3) are symmetrically arranged on two sides of the track beam.

3. The locking compensation mechanism for the turnout beam and track beam of the suspension track according to claim 1, wherein: the locking device (1) comprises a thrust rod (1-1), a guide seat (1-2), a locking seat (1-3) and a locking pin (1-4), wherein the locking pin (1-4) is connected with the thrust rod (1-1) and is arranged in the guide seat (1-2) in a sliding mode, and the thrust rod (1-1) can push the locking pin (1-4) to be inserted into the locking seat (1-3) to achieve locking of the track beam and the turnout beam.

4. The locking compensation mechanism for the turnout beam and track beam of a suspended track according to claim 3, wherein: the thrust rod (1-1) is an electric push rod or a hydraulic rod.

5. The locking compensation mechanism for the switch beam and the track beam of the suspension track according to claim 1, 2, 3 or 4, wherein: the linkage device (2) comprises a slide way (2-1), a connecting rod (2-2) and a lifting rod (2-3), the connecting rod (2-2) is connected with a locking device (1) and is arranged in the slide way (2-1) in a sliding mode, the locking device (1) can drive the connecting rod (2-2) to move along the slide way (2-1), and two ends of the lifting rod (2-3) are hinged to the connecting rod (2-2) and a compensation plate (3) respectively; and guide grooves (2-4) are also formed in the side wall of the track beam along the vertical direction, and hinge pin shafts at the hinged parts of the lifting rods (2-3) and the compensation plate (3) are arranged in the guide grooves (2-4) in a sliding manner.

6. The locking compensation mechanism for the turnout beam and track beam of a suspended track according to claim 5, wherein: lifting lugs (3-1) hinged with the lifting rods (2-3) are arranged on the compensating plate (3), and the lifting lugs (3-1) are positioned on the middle line of the compensating plate (3).

7. The locking compensation mechanism for the turnout beam and track beam of a suspended track according to claim 5, wherein: the compensation plate (3) is fixedly connected with a hinge pin shaft at the hinge position of the lifting rod (2-3), and one end of the hinge pin shaft, which is positioned in the guide groove (2-4), is a rectangular sliding block or a pin shaft with a plane.

8. The locking compensation mechanism for the turnout beam and track beam of a suspended track according to claim 5, wherein: and the bottom of the compensating plate (3) is provided with a limiting plate (3-2) which can be clamped on the rail beam and the turnout beam supporting rib.