CN216467812U

CN216467812U - Stabilizing wheel device for railway vehicle

Info

Publication number: CN216467812U
Application number: CN202123019920.2U
Authority: CN
Inventors: 沈文虎
Original assignee: Changzhou Daqian Machinery Co ltd
Current assignee: Changzhou Daqian Machinery Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-10
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a rail vehicle is with stabilizer device, stabilizer device installs on the bogie, the bogie includes preceding lateral part and back lateral part, rail vehicle is with stabilizer device includes polyurethane wheel, lever plate is downwarping arc, polyurethane wheel passes through the stabilizer shaft and installs in the arc minimum of lever plate, the one end of lever plate through rotate the round pin axle install in the preceding lateral part of bogie, the other end of lever plate through the adjustment end round pin axle with the back lateral part butt of bogie. Through installing at the bogie the utility model discloses a rail vehicle is with stabilizing wheel device has realized providing the function of the steady force that heels for the vehicle operation, through reasonable structural connection, has realized the succinct compactness of structure, has reached the requirement of lightweight design, can effectively guarantee the vehicle straight line operation, the left side curve passes through, the right side curve passes through, the stationarity of vehicle when the reverse operation.

Description

Stabilizing wheel device for railway vehicle

Technical Field

The utility model relates to a stable theory device, in particular to stable theory device that is used for guaranteeing rail vehicle steady operation suitable for rail vehicle.

Background

The wheel set of a railway vehicle with a certain-shaped tread generates a special movement with an increasing trend of amplitude when rolling along a straight steel rail, namely, one side of the wheel set moves transversely and the other side rotates around a plumb shaft passing through the mass center of the wheel set, and the coupling of the two movements is called the snake-shaped movement of the wheel set. In addition, when the rail vehicle runs, self-excited vibration and vibration generated by converting non-vibration energy inside the system into excitation force of vibration are also generated. For forced vibration systems, resonance occurs as long as a certain frequency of the exciting force is equal to a certain frequency of the natural vibration of the system, and the resonance phenomenon disappears after the critical speed of resonance is exceeded. For self-excited vibration systems, the system begins to destabilize when the vehicle's operating speed slightly exceeds a certain minimum critical speed value. Once the system is destabilized, the degree of destabilization is also more severe as the speed is increased. How to prevent the instability phenomenon of the rail vehicle in operation is a problem to be solved urgently by a rail vehicle system.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, the utility model provides a can effectively guarantee the stable wheel device for rail vehicle of vehicle stationarity when vehicle straight line operation, left curve pass through, right curve pass through, the reverse operation.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a rail vehicle is with stabilizer wheel device, stabilizer wheel device installs on the bogie, the bogie includes front portion and posterolateral part, rail vehicle is with stabilizer wheel device includes polyurethane wheel, lever plate is the arc of downwarping, the polyurethane wheel passes through stabilizer wheel shaft and installs in the arc minimum of lever plate, the one end of lever plate through rotating the round pin axle install in the front portion of bogie, the other end of lever plate through adjustment end round pin axle with the posterolateral part butt of bogie. The polyurethane wheel is adopted for stabilizing the wheel stabilizing device, the wear resistance is good, the service life of the tire is prolonged, the maintenance cost of the vehicle is reduced, the economy is good, the friction resistance of the polyurethane wheel is small, and the energy consumption of the vehicle in running is reduced.

Furthermore, the rotating pin shaft is fixedly connected with the front side part of the bogie through a mounting bolt sleeve.

Further, the stabilizing wheel device for the rail vehicle is installed at a rail, the rail comprises a rail beam cover plate, the stabilizing wheel device for the rail vehicle is located below the rail beam cover plate, and the polyurethane wheels are abutted to the bottom surface of the rail beam cover plate.

Furthermore, the pin shaft at the adjusting end is abutted against the rear side part of the bogie through a rubber spring mechanism. This steady wheel device has solved the polyurethane wheel hardness height through adopting rubber spring device, the poor problem of travelling comfort, and rubber spring device's setting can guarantee the irregularity of vehicle adaptation circuit, obtains higher travelling comfort.

Further, the rubber spring mechanism includes metal block and block rubber, the metal block is cylindrical, the block rubber is the trapezoidal form, the metal block links to each other with adjustment end round pin axle, the block rubber is fixed to be set up on the metal block, the block rubber and the rear side portion butt of bogie.

Further, still be provided with between rubber spring mechanism and the adjustment end round pin axle and fill up guiding mechanism, fill up guiding mechanism and include the gasket with filling up, adjust through the quantity that changes the gasket the contact force size of polyurethane wheel and track roof beam apron. The stabilizing wheel device is provided with the pad adding adjusting mechanism, so that the contact force between the polyurethane wheel and the track beam can be conveniently adjusted, the guide wheel device is always in the best working state, and the problem of change of the working height after long-term use of rubber is solved.

Further, the gasket is a NORDLOCK gasket. This steady wheel device adopts NORDLOCK gasket to lockingly, has guaranteed to connect reliably, and factor of safety is high.

Further, the stabilizing wheel device for the railway vehicle has a lever ratio of 1: 2. The lever elasticity ratio of 1: 2 is set, so that the stability of the pre-pressure of the wheel stabilizing device is ensured, and the wheel stabilizing device can always provide stabilizing force for a vehicle.

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

through installing at the bogie the utility model discloses a rail vehicle is with stabilizing wheel device has realized providing the function of the steady force that heels for the vehicle operation, and the structure of this leading wheel device has passed through intensity calculation, ensures to satisfy the requirement of bearing of vehicle. The stabilizing wheel device is connected through a reasonable structure, so that the structure is simple and compact, and the requirement of light weight design is met. The stabilizing wheel device effectively ensures the stability of the vehicle in straight line running, left curve passing, right curve passing and reverse running.

Drawings

FIG. 1 is a schematic structural view of a stabilizing wheel assembly for a rail vehicle;

fig. 2 is a usage state diagram of the stabilizer device for a railway vehicle.

The labels in the figure are: 1. a polyurethane wheel; 2. locking the nut; 3. a lever plate; 4. a rubber spring mechanism; 5. a cushioning adjustment mechanism; 6. rotating the pin shaft; 7. installing a bolt kit; 8. a bogie; 8-1, a front lateral part; 8-2, a rear lateral part; 9. stabilizing the wheel axle; 10. adjusting the end pin shaft; 11. a track beam cover plate; 12. a left stabilizing wheel arrangement; 13. and the right stabilizing wheel device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The stabilizer wheel device for a railway vehicle of the present embodiment is mounted on a bogie 8 of a railway vehicle, and as shown by a dotted line portion in fig. 1, the bogie 8 of the railway vehicle includes a front side portion 8-1 and a rear side portion 8-2. The stabilizer wheel device is mounted on a vehicle bogie 8, is connected with a bogie frame, and is in contact with the lower surface of an upper cover plate of a track beam when in use. After the stabilizing wheel device is applied to a rail vehicle, the stability of the vehicle in linear running, left curve passing, right curve passing and reverse running can be effectively ensured.

The stabilizer wheel device for a rail vehicle is configured as shown in fig. 1, and includes a polyurethane wheel 2 and a lever plate 3. The lever plate 3 is an arc-shaped plate-shaped lever which is bent downwards, and the lever plate 3 comprises two end points and the lowest point of the arc. The polyurethane wheel 2 is rotatably mounted at the lowest point of the arc shape of the lever plate 3 through a wheel stabilizing shaft 9. The polyurethane wheel is adopted for stabilizing the wheel stabilizing device, the wear resistance is good, the service life of the tire is prolonged, the maintenance cost of the vehicle is reduced, the economy is good, the friction resistance of the polyurethane wheel is small, and the energy consumption of the vehicle in running is reduced.

The right end (the view angle in fig. 1) of the lever plate 3 is provided with a rotating pin shaft 6, the right end of the lever plate 3 is fixedly connected with the front side part 8-1 of the bogie 8 through the rotating pin shaft 6, and specifically, the rotating pin shaft 6 is fixedly connected with the front side part 8-1 of the bogie 8 through a mounting bolt kit 7. The right end of the lever plate 3 is rotatable relative to the front side 8-1 of the bogie 8. An adjusting end pin shaft 10 is arranged at the left end (the view angle in fig. 1) of the lever plate 3, the left end of the lever plate 3 is abutted against the rear side part 8-2 of the bogie 8 through the adjusting end pin shaft 10, and the left end of the lever plate 3 can rotate relative to the rear side part 8-2 of the bogie 8.

The slewing bearings in this embodiment, i.e., the rotating pin shaft 6, the stabilizing wheel shaft 9 and the adjusting end pin shaft 10, preferably adopt paired conical bearings, and can be provided with grease filling holes, so that the bearing capacity of the stabilizing wheel device can be enhanced, the lubrication is good, and the service life is long.

In this embodiment, a rubber spring mechanism 4 is further added at the adjustment end of the stabilizer wheel device, specifically, the rubber spring mechanism 4 includes a metal block and a rubber block, wherein the metal block is cylindrical, the rubber block is trapezoidal, the metal block is connected with an adjustment end pin shaft 10, the diameter increasing end of the rubber block is fixed on the metal block, and the diameter smaller end of the rubber block is abutted to the rear side portion 8-2 of the bogie 8. This steady wheel device has solved the polyurethane wheel hardness height through adopting rubber spring device, the poor problem of travelling comfort, and rubber spring device's setting can guarantee the irregularity of vehicle adaptation circuit, obtains higher travelling comfort.

In this embodiment, a pad-adding adjusting mechanism 5 is further disposed between the rubber spring mechanism 4 and the adjusting end pin shaft 10, specifically, the pad-adding adjusting mechanism 5 includes a gasket, and the magnitude of the contact force between the polyurethane wheel and the track beam cover plate is adjusted by changing the number of the gaskets. Preferably, the gasket is a NORDLOCK gasket. This steady wheel device adopts NORDLOCK gasket to lockingly, has guaranteed to connect reliably, and factor of safety is high. The stabilizing wheel device is provided with the pad adding adjusting mechanism, so that the contact force between the polyurethane wheel and the track beam can be conveniently adjusted, the guide wheel device is always in the best working state, and the problem of change of the working height after long-term use of rubber is solved.

In the present embodiment, the rail vehicle stabilizer device has a lever ratio of 1: 2. The lever elasticity ratio of 1: 2 is set, so that the stability of the pre-pressure of the wheel stabilizing device is ensured, and the wheel stabilizing device can always provide stabilizing force for a vehicle.

The stable wheel device for a railway vehicle according to the present embodiment is used in a state where 2 stable wheel devices 12 on the left side and 13 on the right side are arranged per bogie as shown in fig. 2, and is installed at a railway, the railway includes a railway beam cover plate, the stable wheel device is located below the railway beam cover plate, and a polyurethane wheel is in contact with the bottom surface of the railway beam cover plate. The stabilizing wheel device is hooked below the track beam cover plate, so that the vehicle can be ensured not to be separated from the track beam under any fault working condition, and the absolute safety of the vehicle is ensured. The stabilizing wheel device can provide a counter moment when the gravity center of the vehicle is deviated together with the running wheels of the vehicle, and can also provide a roll-preventing counter moment required by the vehicle independently. The requirements of vehicle stability during straight line running, left curve passing, right curve passing and reverse running of the vehicle can be effectively met.

The stabilizing device of the stabilizing wheel device is a stabilizing device of a railway vehicle, which can ensure the straight line smooth running of the vehicle on a straight track and can ensure that the vehicle can smoothly move forwards along the track when passing through a curve, thereby effectively reducing the roll motion of the vehicle. The whole structure of the wheel stabilizing device has good nonlinear rigidity, can reduce impact load when a vehicle passes through a curve, and is provided with proper pretightening force to keep the polyurethane wheels always in contact with the track beam and provide stabilizing force for the vehicle. The stabilizing wheel device is compact in structure, small in occupied space, convenient to install, convenient to adjust pretightening force, stable in guiding performance, low in noise and good in maintainability after being applied to a traveling monorail transit vehicle, and effectively improves the running stability of the vehicle.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. 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 present invention.

Claims

1. The utility model provides a rail vehicle is with stabilizer wheel device, stabilizer wheel device installs on the bogie, the bogie includes front portion and posterolateral part, a serial communication port, rail vehicle is with stabilizer wheel device includes polyurethane wheel, lever plate is the arc of downwarping, polyurethane wheel passes through the stabilizer wheel shaft and installs in the arc minimum of lever plate, the one end of lever plate is installed through rotating the round pin axle in the front portion of bogie, the other end of lever plate through adjustment end round pin axle with the posterolateral part butt of bogie.

2. A stabilizer wheel apparatus for railway vehicles as claimed in claim 1, wherein said pivot pin is fixedly connected to the front side portion of said bogie by means of a mounting bolt kit.

3. A rail vehicle stabilizer wheel device according to claim 1, wherein said rail vehicle stabilizer wheel device is installed at a rail, said rail comprises a rail beam cover plate, said rail vehicle stabilizer wheel device is located below said rail beam cover plate, and said polyurethane wheel abuts against a bottom surface of said rail beam cover plate.

4. A stabilizer wheel apparatus for a railway vehicle as claimed in claim 1, wherein the adjustment end pin abuts against a rear side portion of the bogie via a rubber spring mechanism.

5. A stabilizer wheel device for railway vehicles as claimed in claim 4, wherein said rubber spring mechanism comprises a metal block and a rubber block, said metal block is cylindrical, said rubber block is trapezoidal, said metal block is connected with said adjusting end pin shaft, said rubber block is fixedly arranged on said metal block, said rubber block is abutted with the rear side portion of the bogie.

6. A stable wheel device for a railway vehicle as claimed in claim 4 or 5, wherein a padded adjustment mechanism is further arranged between the rubber spring mechanism and the adjustment end pin shaft, the padded adjustment mechanism comprises a gasket, and the contact force between the polyurethane wheel and the rail beam cover plate is adjusted by changing the number of the gaskets.

7. A stabilising wheel arrangement according to claim 6, wherein the shim is a NORDLOCK shim.

8. A stabilizer wheel device for railway vehicles according to claim 1, characterized in that it has a lever ratio of 1: 2.