CN113445372B

CN113445372B - Two-section type tooth entering adjusting mechanism for rack rail vehicle and rack rail railway

Info

Publication number: CN113445372B
Application number: CN202110681584.3A
Authority: CN
Inventors: 刘世博; 陈宇向; 潘喻
Original assignee: Zhuzhou Jiufang Equipment Driving Technology Co ltd; ZHUZHOU GOFRONT EQUIPMENT CO LTD
Current assignee: Zhuzhou Jiufang Equipment Driving Technology Co ltd; ZHUZHOU GOFRONT EQUIPMENT CO LTD
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-04-15
Anticipated expiration: 2041-06-18
Also published as: CN113445372A

Abstract

The invention discloses a two-section type rack rail vehicle gear-entering adjusting mechanism and a rack rail railway, which comprise a rack rail arranged between steel rails on two sides, wherein a roller transition device and a rack transition device are sequentially arranged at the driving-in end of the rack rail, the rack rail vehicle is smoothly transited from the rack rail section to the rack rail section through the sequence of the roller transition device and the rack transition device and the combination of rollers with different installation heights, and the gear of the rack rail vehicle can reach an expected motion state when being in any initial state, can be correctly meshed with the rack, realizes the correct meshing of the gear and the rack, and solves the problems of clamping stagnation and impact of the gear and the gear-entering adjusting mechanism, the service life of the device is shortened, and the operation and maintenance cost is increased. The spring damping systems are designed from the driving-in end to the driving-out end, so that the stability of the system is improved, the impact is reduced, and the service life is prolonged. The device disclosed by the invention is simple and reasonable in design, the processing difficulty and the cost are reduced, and the installation and maintenance are convenient and fast.

Description

Two-section type tooth entering adjusting mechanism for rack rail vehicle and rack rail railway

Technical Field

The invention relates to the technical field of transition devices, in particular to a two-section type tooth track vehicle tooth entering adjusting mechanism and a tooth track railway.

Background

The rack rail railway is a special line traffic mode with large relief, and is mainly characterized in that a driving gear is arranged in the middle of a train bogie, and the driving gear is meshed with a rack rail on the ground in a ramp area to improve the climbing capacity. When a vehicle enters a rack rail stage from a wheel rail stage, if the gear and the rack are not accurately meshed, a gear clamping phenomenon can be caused, the running of a train is influenced, and even the running safety is endangered. For example, 201810065846.1 discloses a non-stop three-stage wheel rail-rack transition device for a rack rail traffic system, which can achieve correct engagement with a rack, but has a complex structure, and can cause jamming and impact between a gear and a first roller, thereby reducing the service life of the roller and increasing the operation and maintenance costs.

Disclosure of Invention

The invention aims to solve the technical problems that a rack rail structure is complex, clamping stagnation is easy to occur, and the service life of the rack rail is shortened, and provides a two-section type rack rail vehicle gear-in adjusting mechanism.

The purpose of the invention is realized by the following technical scheme:

a two-section type toothed rail vehicle gear-entering adjusting mechanism comprises a toothed rail arranged between steel rails on two sides, wherein a roller transition device and a rack transition device are sequentially connected to the entering end of the toothed rail. The roller transition device comprises a roller, a roller mounting plate and a mounting seat, the roller is mounted in the roller mounting plate at equal intervals, the height of the upper surface of the roller is different, and the roller mounting plate is mounted on the mounting seat. The rack transition device comprises a rack and a supporting arm, and the rack is installed on the bottom installation position between the steel rails through the supporting arm. When the rack rail vehicle drives into the device, the rack rail gear and the wheel rotate at a relative angle, and when the rack rail gear enters the rack rail section, the gear and the rack form effective meshing, so that the safety, the efficiency and the stability of the running of the rack rail vehicle are ensured.

Furthermore, the roller section with the low upper surface height is arranged at the driving end of the roller transition device, so that the compression height of the gear and the roller under severe working conditions can be reduced, and the impact is reduced. And the roller with higher installation height is contacted with the gear tooth surface, so that the tooth top abrasion loss is reduced.

Furthermore, the roller comprises a large roller section and a small roller section which are different in diameter, the large roller section is arranged at the driving-in end of the roller transition device, and the upper surface of the large roller is lower than the upper surface of the small roller.

Further, the rollers are the same in diameter and size, but the heights of the mounting positions are different to form roller sections with different heights, and the roller sections with the lower mounting positions are arranged at the driving end of the roller transition device.

Further, the mount pad includes bottom plate mount pad, horizontal limiting plate and spring, and the spring mounting is between cylinder mounting panel and bottom plate mount pad, and horizontal limiting plate is located on the bottom plate mount pad.

Furthermore, horizontal limiting plate distributes in the both sides of cylinder mounting panel, plays limiting displacement to the cylinder mounting panel, increases the stability of system.

Furthermore, the mounting base further comprises an adjusting device, one end of the adjusting device is connected with the roller mounting plate, the other end of the adjusting device is connected with the lower base plate mounting base, the relative positions of the first section and the second section can be finely adjusted when the mechanical structure is free from being disassembled, and the gear rail sections can be smoothly meshed.

Further, the support arm includes an end swing arm and an intermediate swing arm.

Further, a spring is arranged between the rack and the steel rail.

A rack rail railway comprises the two-section type rack rail vehicle gear-in adjusting mechanism.

Compared with the prior art, the beneficial effects are:

according to the invention, through the arrangement of the roller transition device and the rack transition device, the rack vehicle smoothly transits from the wheel rail section to the rack rail section, and under the action of the roller, the gear of the rack vehicle can reach an expected motion state in any initial state, can be correctly meshed with the rack, realizes the correct meshing of the gear and the rack, ensures the safe, stable and efficient operation of the vehicle, and has high adaptability. In addition, the invention is provided with two rollers with different installation heights, the roller with higher installation height is contacted with the gear tooth surface to reduce the tooth top abrasion loss, and the roller with lower installation height can reduce the compression height of the gear and the roller under the severe working condition so as to reduce the impact on the device. The spring damping systems are designed from the driving-in end to the driving-out end, so that the stability of the system is improved, the impact is reduced, and the service life is prolonged. The device disclosed by the invention is simple and reasonable in design, the processing difficulty and the cost are reduced, and the installation and maintenance are convenient and fast.

Drawings

FIG. 1 is an isometric view of a two-segment rack-track vehicle entry adjustment mechanism;

FIG. 2 is a top view of a two-section rack-track vehicle entrance adjustment mechanism;

FIG. 3 is an isometric view of a first section of the entry adjustment mechanism;

FIG. 4 is a top view of a first section of the gear-in adjustment mechanism;

FIG. 5 is a second isometric view of the entry adjustment mechanism;

FIG. 6 is a front view of a second segment of the gear-in adjustment mechanism;

the device comprises a roller transition device 1, a roller 101, a roller mounting plate 102, a lower base plate mounting base 103, an adjusting device 104, a transverse limiting plate 105, a spring 106, a second section of a 2-in-tooth adjusting mechanism, a second section of a rack 201, a rear end swing arm 202, a middle swing arm 203, a spring 204 and a track 3.

Detailed Description

The following examples are further explained and illustrated, but the present invention is not limited in any way by the specific examples. Unless otherwise indicated, the methods and equipment used in the examples are conventional in the art and all materials used are conventional commercially available materials.

Example 1

Referring to fig. 1-6, a two-section type gear-rack vehicle gear-entering adjusting mechanism comprises a roller transition device 1, a rack transition device 2 and a track 3. And a roller transition device 1 and a rack transition device 2 are sequentially arranged between the tracks 3 from the driving-in end of the rack.

The roller transition device 1 comprises a roller 101, a roller mounting plate 102, a lower bottom plate mounting base 103, an adjusting device 104, a transverse limiting plate 105 and a spring 106, wherein the roller 101 comprises a large roller with a large diameter and a small roller with a small diameter, the small roller and the large roller are mounted on the roller mounting plate 102, the roller 101 can rotate around a shaft, the large roller is arranged at the entrance end of the roller transition device 1, and the upper surface of the large roller is lower than the height of the upper surface of the small roller. Two ends of the spring 106 are respectively mounted and connected to the roller mounting plate 102 and the lower base plate mounting base 103, one end of the adjusting device 104 is connected to the roller mounting plate 102, the other end of the adjusting device is connected to the lower base plate mounting base 103, and the lower base plate mounting base 103 is provided with a transverse limiting plate 105 for preventing transverse instability of the lower base plate mounting base 103 when a vehicle enters.

The gear of the rack vehicle is in clearance engagement with the two rollers 101 and is adjusted to enter the rack transition device 2, and when the gear enters the rack transition device 2 to generate interference, the position adjustment can be realized through the adjusting device 104, so that the interference condition is avoided. When the gear of the rack rail car is not accurately meshed with the roller 101 in a clearance way, the position of the gear close to the tooth top interferes with the roller 101, the gear presses the roller 101, and the roller 101 is arranged on the roller mounting plate 102, the spring 106 is arranged at the lower part of the roller mounting plate 102, and the roller mounting plate 102 is integrally pressed. The size of the pressure is related to the installation height of the roller 101, the roller 101 at a lower position is arranged at the beginning end, the pressure when the gap meshing between the gear and the roller 101 is inaccurate is effectively reduced, and the service life is prolonged. Under the rotation action of the roller 101, the gear of the rack vehicle deflects relative to the wheel by a certain angle, so that the gear and the roller 101 are meshed correctly in a clearance mode.

The rack transition device 2 includes a rack 201, a rear end swing arm 202, an intermediate swing arm 203, and a spring 204. One end of the initial section spring 204 is connected with the rack 201, and the other end of the initial section spring is installed with the installation position under the rail; one end of the middle swing arm 203 is hinged to the rack 201, and the other end of the middle swing arm is hinged to a mounting position under the rail; one end of the rear end swing arm 202 is mounted on the rack 201 through a hinge, and the other end of the rear end swing arm is mounted on the mounting position under the rail through a hinge. The rack 201, the middle swing arm 203, the rear end swing arm 202 and the under-rail mounting position form a four-bar linkage mechanism which can swing around the hinged position. If the gear and the rack 201 of the rack rail vehicle have deviation, the rack deflects by a certain angle under the action of the acting force between the gear and the rack 201, and the gear and the wheel deflect by a certain angle to adapt to the deviation, so that the final correct meshing of the gear and the rack 201 is realized, and the rack is reset under the action of the spring 204 to prepare for the next meshing deviation.

Example 2

A two-section type gear-track vehicle gear-entering adjusting mechanism comprises a roller transition device 1, a rack transition device 2 and a track 3. And a roller transition device 1 and a rack transition device 2 are sequentially arranged between the tracks 3 from the driving-in end of the rack.

The roller transition device 1 comprises a roller 101, a roller mounting plate 102, a lower base plate mounting seat 103, an adjusting device 104, a transverse limiting plate 105 and a spring 106, wherein the roller 101 comprises the rollers 101 with the same diameter, but the heights of mounting positions are different to form roller sections from low to high, the roller section with the low mounting position is arranged at the driving-in end of the roller transition device, the roller 101 can rotate around a shaft, and a small roller is arranged at the driving-in end of the roller transition device 1. Two ends of the spring 106 are respectively mounted and connected to the roller mounting plate 102 and the lower plate mounting base 103, one end of the adjusting device 104 is connected to the roller mounting plate 102, the other end is connected to the lower plate mounting base 103, and the lower plate mounting base 103 is provided with a transverse limiting plate 105.

The rack transition device 2 includes a rack 201, a rear end swing arm 202, an intermediate swing arm 203, and a spring 204. One end of the initial section spring 204 is connected with the rack 201, and the other end of the initial section spring is installed with the installation position under the rail; one end of the middle swing arm 203 is hinged to the rack 201, and the other end of the middle swing arm is hinged to a mounting position under the rail; one end of the rear end swing arm 202 is mounted on the rack 201 through a hinge, and the other end of the rear end swing arm is mounted on the mounting position under the rail through a hinge. The rack 201, the middle swing arm 203, the rear end swing arm 202 and the under-rail mounting position form a four-bar linkage mechanism which can swing around the hinged position.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A two-section type tooth rail vehicle tooth entering adjusting mechanism is characterized by comprising a tooth rail arranged between steel rails on two sides, wherein a roller transition device and a rack transition device are sequentially arranged at the entering end of the tooth rail; the roller transition device comprises rollers, a roller mounting plate and a mounting seat, the rollers are mounted in the roller mounting plate at equal intervals, the height of the upper surface of the roller at the driving-in end is lower than that of the upper surface of the roller at the driving-out end, and the roller mounting plate is mounted on the mounting seat; the rack transition device comprises a rack and a supporting arm, and the rack is installed on the bottom installation position between the steel rails through the supporting arm.

2. The two-segment type rack rail vehicle gear-in adjusting mechanism according to claim 1, wherein the roller comprises a large roller segment and a small roller segment with different diameters, the large roller segment is arranged at the driving-in end of the roller transition device, and the upper surface of the large roller is lower than the upper surface of the small roller.

3. The two-segment type rack rail vehicle gear-in adjusting mechanism according to claim 1, wherein the roller comprises roller segments with different installation positions, and the roller segment with the lower installation position is arranged at the driving end of the roller transition device.

4. The two-stage rack-rail vehicle gear-in adjusting mechanism according to claim 1, wherein the mounting seat comprises a lower plate mounting seat, a transverse limiting plate and a spring, the spring is mounted between the roller mounting plate and the lower plate mounting seat, and the transverse limiting plate is disposed on the lower plate mounting seat.

5. The two-stage rack-rail vehicle entering regulating mechanism according to claim 4, wherein the lateral limiting plates are distributed on both sides of the roller mounting plate.

6. The two-stage rack-rail vehicle entering tooth adjusting mechanism according to claim 4, wherein the mounting base further comprises an adjusting device, one end of the adjusting device is connected with the roller mounting plate, and the other end of the adjusting device is connected with the lower base plate mounting base.

7. The two-stage rack-track vehicle entry adjustment mechanism of claim 1, wherein the support arm comprises an end swing arm and an intermediate swing arm.

8. The two-segment type rack rail vehicle gear-in adjusting mechanism according to claim 1, wherein a spring is further provided between the rack and the steel rail.

9. A rack-track railway comprising a two-segment rack-track vehicle set-in adjustment mechanism according to any one of claims 1 to 8.