CN219364187U - Rail-entering device for toothed rail railway - Google Patents

Abstract

The utility model discloses a track entering device of a rack rail, which is positioned in front of the rack rail and comprises a rack, a gear and a driving part, wherein the rack, the gear and the driving part are positioned on a lifting part, the driving part drives the gear to rotate so as to drive the rack to move, the rack is positioned between two steel rails, and the lifting device can drive the rack to rise to a height position to be matched with the height position of the steel rails or drive the rack to fall below the steel rails. By adopting the device, the rigid collision when the train gear is meshed with the rack and the rack respectively can be reduced, the impact is reduced, the transition stability is improved, the service life of the train gear is prolonged, and the maintenance cost is reduced.

Description

Rail-entering device for toothed rail railway

Technical Field

The utility model relates to the technical field of rack railways, in particular to a track entering device of a rack railway.

Background

Compared with the traditional rail transit, the gear-train gear-entering transition device is always a key for realizing normal operation of the gear train, and whether the meshing state is good or not and the impact during gear entering can directly influence the train operation quality.

The track-in device is a key device on the toothed rail and is used for transiting the wheel track driving section and the toothed rail driving section. However, the existing rail entering device has the defects of large abrasion to wheels, high maintenance cost, low running speed and the like.

Disclosure of Invention

The utility model aims to overcome the defects of high abrasion to a train gear and high maintenance cost of a track entering device in the conventional toothed rail in the prior art, and provides the track entering device of the toothed rail.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a rack railway's income rail device, is located before the rack, contains rack, gear and drive unit, rack, gear and drive unit are located lifting unit, drive unit drives the gear rotation can drive the rack removes, the rack is located between two rails, lifting unit can drive the rack is risen to the high position adaptation of high position of rail or drive the rack descends to be less than the rail.

The position height of the rack is used for adapting to the train gear so as to drive the train gear to rotate before entering the track. No sleeper is arranged under the steel rail paved at the track entering device so as to be convenient for placing the track entering device.

The track-entering device of the toothed rail railway is arranged in front of the toothed rail and is used for being arranged on the inner sides of two steel rails, when a toothed rail vehicle runs from a wheel rail section to the toothed rail, the lifting component can drive the rack to be lifted to the height position to be matched with the height position of the steel rail so as to drive the train gear to rotate, after the train leaves, the lifting component can drive the rack to fall to the height position lower than the height position of the steel rail, the train running in the reverse direction is prevented from being interfered, flexible contact is formed between the train gear and the rack, rigid collision when the train gear is meshed with the rack and the toothed rail respectively is reduced, the impact is reduced, the transition stability is facilitated to be improved, the service life of the train gear is prolonged, and the maintenance cost is reduced.

Preferably, the device further comprises a tensioning gear, wherein the height position of the tensioning gear is higher than that of the gear.

Further preferably, the angle between the part of the rack between the gear and the tensioning gear and the axial direction of the steel rail is 2-5 degrees.

The rack is lifted to a certain height by arranging the tensioning gear with the height higher than that of the gear, so that the rack is meshed with the train gear more easily, and the train gear is effectively driven to rotate.

Further preferably, the tensioning gear is located at an end of the rack remote from the rack. I.e. near one end in the direction of the coming vehicle.

When the rack rail train just enters the device, the rotation speed of the train gear is low, and the contact stress of the train gear and the synchronous belt is overlarge.

Further preferably, the tension gear is supported by an elastic member.

The contact stress between the rack and the train gear is avoided from being too large, and meanwhile effective engagement with the train gear can be ensured.

Preferably, the distance between the track entering device and the toothed track is 300-400mm.

Preferably, the lifting component is a hydraulic mechanism.

Preferably, the device further comprises a distance sensor and a control system, wherein the control system is used for controlling the start and stop of the driving component and the lifting component.

Through the distance sensor, be convenient for rise the device of going into the track and drive the rack and remove when the coming train reaches preset distance, will go into the device of going into the track and descend and drive the rack and stop removing after the train leaves preset distance.

Preferably, the length of the track-laying device is 8m-10m.

Preferably, the end of the toothed rail, which is close to the track entering device, is provided with 3-5 rounded teeth.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. when the rack rail vehicle runs from the wheel rail section to the rack rail, the lifting component can drive the rack to be lifted to the height position to be matched with the height position of the steel rail so as to drive the train gear to rotate, after the train leaves, the lifting component can drive the rack to fall to the height position lower than the height position of the steel rail, the train running in the reverse direction is prevented from being interfered, and the train gear and the rack are in flexible contact, so that rigid collision when the train gear is meshed with the rack and the rack rail respectively is reduced, impact is reduced, transition stability is improved, the service life of the train gear is prolonged, and maintenance cost is reduced.

Description of the drawings:

fig. 1 is a structural perspective view of a rail-entering device (lifting member not shown) of a rack rail in embodiment 1;

fig. 2 is a structural elevation view of a track-laying device of a rack rail in embodiment 1;

fig. 3 is a schematic view showing a lifting state of an in-track device of a rack rail in embodiment 1;

fig. 4 is a schematic view showing a lowered state of a track-in device of a rack rail in embodiment 1.

The marks in the figure: 1-rack, 2-rack, 3-gear, 4-tensioning gear, 41-elastic component, 5-lifting component, 6-driving component.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings and specific examples. It should not be construed that the scope of the above subject matter of the present utility model is limited to the following embodiments, and all techniques realized based on the present utility model are within the scope of the present utility model.

Example 1

As shown in fig. 1-2, the track entering device of the rack rail is located before a rack 1 and comprises a rack 2, a gear 3 and a driving component 6, wherein the rack 2, the gear 3 and the driving component 6 are located on a lifting component 5, the driving component 6 drives the gear 3 to rotate so as to drive the rack 2 to move, the rack 2 is located between two steel rails, the lifting component 5 can drive the rack 2 to be lifted to a height position matched with the height position of the steel rails or drive the rack 2 to be lowered to be lower than the steel rails, and one end, close to the track entering device, of the rack 1 is provided with a transition tooth section.

Specifically, the length of the track entering device is preferably 8m-10m, no sleeper is arranged below the steel rail arranged at the track entering device, the distance between the track entering device and the toothed rail 1 is set according to practical conditions, for example, 300-400mm, and 3-5 rounded teeth are arranged at one end of the toothed rail 1, which is close to the track entering device.

The rack 2, the gear 3 and the driving part 6 are all located the base plate, the lifting part 5 is arranged below the base plate, the lifting part 5 can be a hydraulic mechanism, the two gears 3 are longitudinally distributed at intervals, the rack 2 is sleeved outside, a tensioning gear 4 is arranged between the two gears 3, the height position of the tensioning gear 4 is higher than that of the gear 3, the corresponding position of the rack 2 can be slightly lifted, if the included angle between the part of the rack 2 between the gear 3 and the tensioning gear 4 and the axial direction of a steel rail is 2-5 degrees, the tensioning gear 4 is supported by an elastic part 41, such as a spring, the contact stress between the rack 2 and a train gear is avoided, meanwhile effective engagement with the train gear can be guaranteed, the tensioning gear 4 is preferably located at one end of the rack 2 far away from the rack 1, namely, the gear 3 close to the rack 1 is arranged, and the train can be effectively driven to rotate as soon as the train drives into the device.

When the rack rail vehicle runs from the wheel rail section to the rack rail, the lifting part 5 is lifted to enable the height position of the rail feeding device to be matched with the height position of the steel rail, and the top surface of the rack 2 is higher than the steel rail due to the tensioning gear 4 and the elastic part 41, so that the rack can be stably contacted with the train gear so as to effectively drive the train gear to rotate, as shown in fig. 3; after the train leaves, the lifting part 5 falls down to enable the height position of the rack 2 to be lower than the height position of the steel rail, so that the train running in the reverse direction is prevented from being interfered, as shown in fig. 4.

The device is in flexible contact with the rack 2, so that rigid collision during meshing of the train gear and the rack 2 and meshing of the rack can be reduced, impact is reduced, the rounded teeth at the front end of the rack 1 are matched for transition, the moving train gear is meshed with the rack 1 more easily, the transition stability is improved, the service life of the train gear is prolonged, and maintenance cost is reduced.

In another embodiment, a distance sensor and a control system are also included, which control system is used to control the start and stop of the drive member 6 and the lifting member 5. Through the distance sensor, be convenient for rise the device of going into the track and drive rack 2 and remove when the coming train reaches preset distance, will go into the device of going into the track and descend and drive rack 2 and stop removing after the train leaves preset distance.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a rack rail railway's income rail device, is located before rack (1), its characterized in that contains rack (2), gear (3) and drive part (6), rack (2), gear (3) and drive part (6) are located on elevating part (5), drive part (6) drive gear (3) rotation can drive rack (2) removal, rack (2) are located between two rails, elevating part (5) can drive rack (2) rise to the high position of high position adaptation rail or drive rack (2) decline to be less than the rail.

2. The derailment device of a toothed rail according to claim 1, characterized in that it further comprises a tensioning gear (4), the height position of the tensioning gear (4) being higher than the height position of the gear (3).

3. A toothed rail railway track-laying device according to claim 2, characterized in that the angle between the part of the rack (2) located between the gearwheel (3) and the tensioning gearwheel (4) and the rail axis is 2 ° -5 °.

4. The derailing device for a rack rail according to claim 2, characterized in that the tensioning gear (4) is located at the end of the rack (2) remote from the rack (1).

5. A track-laying device for a toothed rail according to claim 2, characterized in that the tensioning gear (4) is supported by means of an elastic element (41).

6. A track-laying device for a toothed rail according to any one of claims 1-5, characterized in that the distance between the track-laying device and the toothed rail (1) is 300-400mm.

7. A rail-engaging device for a toothed rail railway according to any one of claims 1-5, characterized in that the lifting member (5) is a hydraulic mechanism.

8. The derailment device of any one of claims 1 to 5, further comprising a distance sensor and a control system for controlling the start and stop of the driving means (6) and the lifting means (5).

9. The track-laying device for a toothed rail railway according to any one of claims 1 to 5, characterized in that the length of the track-laying device is 8m to 10m.

10. A track-laying device for a toothed rail according to any one of claims 1-5, characterized in that the end of the toothed rail (1) adjacent to the track-laying device has 3-5 rounded teeth.