CN219115143U - Rescue wheel for magnetic levitation vehicle and mounting structure of rescue wheel - Google Patents
Rescue wheel for magnetic levitation vehicle and mounting structure of rescue wheel Download PDFInfo
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- CN219115143U CN219115143U CN202222496149.6U CN202222496149U CN219115143U CN 219115143 U CN219115143 U CN 219115143U CN 202222496149 U CN202222496149 U CN 202222496149U CN 219115143 U CN219115143 U CN 219115143U
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- magnetic levitation
- rescue
- levitation vehicle
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Abstract
The utility model relates to the technical field of rescue structures of magnetic levitation vehicles, and aims to solve the problems that when the levitation function of the magnetic levitation vehicles fails, the magnetic levitation vehicles are directly contacted with a track, the friction force between the vehicles and the track is large, and the hauling rescue work is difficult in the prior art; the outer side of the wheel frame is provided with a guide frame, the guide frame is used for providing vertical guide for the wheel frame and limiting the rotation of the wheel frame, and the guide frame is used for being connected with a levitation frame of the magnetic levitation vehicle; the installation structure comprises the rescue wheel, wherein the vertical telescopic device and the guide frame are both connected to the suspension frame of the magnetic levitation vehicle; according to the utility model, the rescue wheel is additionally arranged on the magnetic levitation vehicle, so that the magnetic levitation vehicle is convenient to rescue when the levitation function of the magnetic levitation vehicle is invalid, and meanwhile, the guide frame is additionally arranged, so that vertical guide is provided for the wheel frame, and the rotation of the wheel frame is limited.
Description
Technical Field
The utility model relates to the technical field of rescue structures of magnetic levitation vehicles, in particular to a rescue wheel for a magnetic levitation vehicle and an installation structure of the rescue wheel.
Background
The magnetic suspension train is a train pushed by magnetic suspension force, realizes non-contact suspension and guiding between the train and the track by electromagnetic force, and then pulls the train to run by electromagnetic force generated by a linear motor. Because the magnetic force of the track is suspended in the air, the friction force is reduced, the running speed is different from the running speed of other trains, the running speed is only influenced by the resistance from the air, the speed of the high-speed magnetic levitation train can reach more than 400 km/h, and the medium-low speed magnetic levitation is mostly 100-200 km/h.
Because the non-contact suspension and guiding are realized between the magnetic levitation vehicle and the track through electromagnetic force, when the magnetic levitation vehicle breaks down and the suspension function fails, the magnetic levitation vehicle is directly contacted with the track, the friction force between the vehicle and the track is large, and the hauling rescue work is very difficult.
Disclosure of Invention
The utility model aims to provide a rescue wheel for a magnetic levitation vehicle and an installation structure thereof, which are used for solving the problems that in the prior art, when the magnetic levitation vehicle fails and the levitation function is invalid, the magnetic levitation vehicle is directly contacted with a track, the friction force between the vehicle and the track is large, and the hauling rescue work is very difficult.
The utility model is realized by adopting the following technical scheme:
the utility model provides a rescue wheel for a magnetic levitation vehicle, which comprises a wheel frame, wherein the wheel frame is connected with wheels, the top of the wheel frame is connected with a vertical telescopic device, and the vertical telescopic device is used for being connected with the magnetic levitation vehicle suspension frame;
the outside of wheel carrier is equipped with the leading truck, the leading truck is used for providing vertical direction to the wheel carrier, restriction wheel carrier rotation, the leading truck be used for with the magnetic levitation vehicle suspension frame links to each other.
The vertical telescopic device stretches and drives the wheel frame and the wheels to move up and down and is used for controlling whether the rescue wheels work or not.
The rescue wheel is arranged on the magnetic levitation vehicle, when the levitation function of the magnetic levitation vehicle fails, the vertical telescopic device is controlled to extend, so that the power and the supporting force for the wheel frame to move downwards are provided, the magnetic levitation vehicle is supported by the rescue wheel, the wheels of the rescue wheel are directly contacted with the track, and the rescue wheel can walk along the track, so that the friction between the magnetic levitation vehicle and the track is reduced, and the rescue wheel is convenient for rescue.
When the levitation function of the magnetic levitation vehicle is invalid but the traction function is normal, the magnetic levitation vehicle can complete self-rescue through the rescue wheel; when the levitation function and the traction function of the magnetic levitation vehicle are invalid, the normal no-load operation vehicle can rescue the full-load fault vehicle.
The guide frame is arranged on the outer side of the wheel frame and is used for providing vertical guide for the wheel frame and limiting the wheel frame to rotate, so that the wheel frame can only move up and down in the vertical direction under the drive of the vertical telescopic device. The guide frame plays a role in protecting the wheel frame, so that the wheel frame only provides supporting force in the vertical direction, and structural damage caused by torsion of the wheel frame is avoided.
During normal operation of the magnetic levitation vehicle, the vertical telescopic device is contracted, the wheel carrier and the wheels move upwards, and the wheels are separated from the track.
The rescue wheel provided by the utility model has the advantages of small weight increase, less space requirement, strong bearing capacity, low installation difficulty and small influence on the existing structure.
As a preferable technical scheme:
an elastic telescopic device is arranged between the wheel frame and the guide frame, the elastic telescopic device is a spring, the spring is arranged in the wheel frame, the upper surface of the spring is connected to the wheel frame, the lower surface of the spring is connected to a spring lower support, and the spring lower support can be abutted against the guide frame.
An elastic telescopic device is arranged between the wheel frame and the guide frame and used for providing a vertical upward reset driving force and a reset support for the wheel frame.
Because the guide frame is connected to the suspension frame of the magnetic levitation vehicle and is fixed, when the wheel frame moves downwards after the magnetic levitation vehicle fails, the spring lower support is kept in abutting connection with the guide frame, and the spring in the wheel frame is compressed between the wheel frame and the spring lower support.
As a preferable technical scheme:
the elastic expansion device is not limited to a spring, and other members capable of realizing elastic expansion may be used.
As a preferable technical scheme:
the side of leading truck has seted up the mating holes, spring undershot support part stretches into in the mating holes, the lower surface of spring undershot support can with the inner wall looks butt in mating holes.
When the magnetic levitation vehicle works normally, the spring lower support is positioned in the matching hole, and the lower surface of the spring lower support can be in contact with the inner wall of the matching hole or not.
When the magnetic levitation vehicle fails, the wheel carrier moves downwards, and the lower surface of the spring lower support is abutted against the inner wall of the matching hole.
As a preferable technical scheme:
the guide frame is provided with a guide hole, the wheel frame passes through the guide hole and is matched with the guide hole, and the wheel frame can move up and down along the matching surface in the vertical direction.
The surface of the guide hole is matched with the vertical outer surface of the wheel frame to provide transverse and longitudinal support for the wheel frame. The guide frame limits translation of the wheel frame in the horizontal plane and rotation about the vertical, lateral and longitudinal axes.
As a preferable technical scheme:
the vertical telescopic device is an oil cylinder, the oil cylinder comprises a cylinder barrel and a piston rod, the piston rod can move up and down relative to the cylinder barrel, and the cylinder barrel is used for being connected with the magnetic levitation vehicle suspension frame.
The piston rod moves downwards relative to the cylinder barrel to provide power for the downward movement of the wheel frame and supporting force.
As a preferable technical scheme:
the piston rod is connected with a piston rod adjusting shaft, the piston rod adjusting shaft can move on the piston rod, and the lower part of the piston rod adjusting shaft is connected with the upper part of the wheel frame.
The piston rod adjusting shaft can move on the piston rod and is used for controlling the stroke of the up-and-down movement of the wheel.
As a preferable technical scheme:
the wheel carrier comprises a wheel carrier guide part and a wheel carrier connecting part, wherein the outer side of the wheel carrier guide part is matched with the inner side of the guide hole, and the wheel carrier connecting part is used for connecting the wheels.
As a preferable technical scheme:
wheel connecting pieces are arranged on the wheel frame connecting parts in a penetrating mode, the middle parts of the wheel connecting pieces are connected with the wheels, the wheels can axially rotate around the wheel connecting pieces, and two ends of the wheel connecting pieces are connected with the wheel frame connecting parts.
The wheel can only rotate axially around the wheel connecting piece, and translation and rotation in the other directions are limited by the wheel connecting piece.
As a preferable technical scheme:
the part of the wheel contacted with the running surface is an insulating piece.
After the suspension function of the magnetic levitation vehicle fails, the rescue wheel is started to serve as a supporting system, and the supporting system needs to meet related insulation requirements.
The utility model further provides a mounting structure of the rescue wheel for the magnetic levitation vehicle, which comprises the rescue wheel for the magnetic levitation vehicle, wherein the vertical telescopic device and the guide frame are connected to the suspension frame of the magnetic levitation vehicle.
The utility model installs the vertical expansion device (such as the oil cylinder) on the levitation frame of the magnetic levitation vehicle, thereby connecting the wheel frame, the wheels and other components with the levitation frame of the magnetic levitation vehicle; and installing the guide frame on a suspension frame of the magnetic levitation vehicle, and limiting the wheel frame.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
the rescue wheel is arranged on the magnetic levitation vehicle, when the levitation function of the magnetic levitation vehicle fails, the oil cylinder is controlled to extend, the power and the supporting force for the wheel frame to move downwards are provided, the magnetic levitation vehicle is supported by the rescue wheel, the wheels of the rescue wheel are directly contacted with the track, and the rescue wheel can walk along the track, so that the friction between the magnetic levitation vehicle and the track is reduced, and the rescue wheel is convenient for rescue.
When the levitation function of the magnetic levitation vehicle is invalid but the traction function is normal, the magnetic levitation vehicle can complete self-rescue through the rescue wheel; when the levitation function and the traction function of the magnetic levitation vehicle are invalid, the normal no-load operation vehicle can rescue the full-load fault vehicle.
The guide frame is arranged on the outer side of the wheel frame and is used for providing vertical guide for the wheel frame and limiting the wheel frame to rotate, so that the wheel frame can only move up and down in the vertical direction under the drive of the oil cylinder. The guide frame plays a role in protecting the wheel frame, so that the wheel frame only provides supporting force in the vertical direction, and structural damage caused by torsion of the wheel frame is avoided.
The oil cylinder stretches, the wheel frame and the wheels move up and down, and the oil cylinder corresponds to whether the rescue wheels work or not. During normal operation of the magnetic levitation vehicle, the oil cylinder is retracted, the wheel carrier and the wheels are moved upward, and the wheels are separated from the track.
An elastic telescopic device is arranged between the wheel frame and the guide frame and used for providing a vertical upward reset driving force and a reset support for the wheel frame.
The rescue wheel provided by the utility model has the advantages of small weight increase, less space requirement, strong bearing capacity, low installation difficulty and small influence on the existing structure.
Drawings
Fig. 1 is a schematic installation diagram of a rescue wheel for a magnetic levitation vehicle.
Icon: the magnetic levitation vehicle suspension comprises a cylinder 1, a cylinder 1-1, a cylinder barrel 1-2, a piston rod adjusting shaft 3, a guide frame 4, a spring 5, a spring lower support, a wheel frame 6, a wheel frame guide part 6-1, a wheel frame connecting part 6-2, wheels 7, a wheel connecting piece 8 and a magnetic levitation vehicle suspension 9.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, this embodiment proposes to provide a rescue wheel for a magnetic levitation vehicle, which comprises a wheel frame 6, wherein the wheel frame 6 is connected with wheels 7, the top of the wheel frame 6 is connected with an oil cylinder 1, the oil cylinder 1 comprises a cylinder barrel 1-1 and a piston rod 1-2, the piston rod 1-2 can move up and down relative to the cylinder barrel 1-1, and the cylinder barrel 1-1 is used for being connected with a magnetic levitation vehicle suspension 9. When the piston rod 1-2 moves downwards relative to the cylinder barrel 1-1, the power and the supporting force for the downward movement of the wheel frame 6 are provided.
The piston rod 1-2 is connected with a piston rod adjusting shaft 2, and the piston rod adjusting shaft 2 can move on the piston rod 1-2 and is used for controlling the stroke of the up-and-down movement of the wheel 7. The lower part of the piston rod adjusting shaft 2 is connected with the upper part of the wheel frame 6, and the force in the vertical direction between the oil cylinder 1 and the wheel frame 6 is transmitted. Specifically, the piston rod adjusting shaft 2 is adjustably connected to the piston rod 1-2, and the up-and-down movement range of the wheel frame 6 is changed by changing the position of the piston rod adjusting shaft 2 on the piston rod 1-2, thereby changing the up-and-down movement stroke of the wheel 7.
The outside of wheel carrier 6 is equipped with leading truck 3, leading truck 3 is used for providing vertical direction to wheel carrier 6, restriction wheel carrier 6 rotates, leading truck 3 is used for linking to each other with magnetic levitation vehicle suspension frame 9. Specifically, the guide frame 3 is provided with a vertical guide hole, the wheel frame 6 vertically passes through the guide hole, the wheel frame 6 is matched with the guide hole, the wheel frame 6 can move up and down along the matching surface in the vertical direction, the guide frame 3 limits the translation of the wheel frame 6 in the horizontal plane and the rotation around the vertical direction, the transverse axis and the longitudinal axis, and meanwhile, the guide hole provides transverse and longitudinal support for the wheel frame 6.
In this embodiment, the wheel frame 6 includes a wheel frame guiding portion 6-1 and a wheel frame connecting portion 6-2, the outer side of the wheel frame guiding portion 6-1 is a vertical surface, and is matched with the inner side of the guiding hole, and the top of the wheel frame guiding portion 6-1 is connected with the piston rod adjusting shaft 2.
The wheel frame connecting part 6-2 is used for connecting the wheel 7, the wheel frame connecting part 6-2 is provided with a wheel connecting piece 8 in a penetrating way, the middle part of the wheel connecting piece 8 is connected with the wheel 7, the wheel 7 can axially rotate around the wheel connecting piece 8, and two ends of the wheel connecting piece 8 are connected with the wheel frame connecting part 6-2. The wheel 7 can only rotate axially around the wheel connection 8, the translation and rotation in the remaining directions being limited by the wheel connection 8. The part of the wheel 7, which is in contact with the running surface, is made of insulating material. After the suspension function of the magnetic levitation vehicle fails, the rescue wheel is started to serve as a supporting system, and the supporting system needs to meet related insulation requirements.
The wheel carrier guiding part 6-1 is internally provided with a spring 4, the upper surface of the spring 4 is connected to the wheel carrier 6, the lower surface of the spring 4 is connected to a spring lower support 5, and the spring lower support 5 provides vertical support for the spring 4.
The side of the guide frame 3 is provided with a matching hole, the spring lower support 5 partially stretches into the matching hole, and the lower surface of the spring lower support 5 can be abutted to the inner wall of the matching hole. When the magnetic levitation vehicle works normally, the spring lower support 5 is located in the matching hole, and the lower surface of the spring lower support 5 can be in contact with the inner wall of the matching hole or not. The lower surface of the spring lower support 5 can be directly connected with the inner wall of the matching hole, and the guide frame 3 provides vertical support for the spring lower support 5.
Since the guide frame 3 is connected to the suspension frame 9 of the magnetic levitation vehicle and is fixed, when the wheel frame 6 moves downwards after the magnetic levitation vehicle is in fault, the spring lower support 5 is kept in contact with the guide frame 3, the spring 4 in the wheel frame 6 is compressed between the wheel frame 6 and the spring lower support 5, and the spring 4 has a tendency of restoring deformation, so that the spring 4 can provide a vertically upward restoring driving force for the wheel frame 6.
During normal operation of the magnetic levitation vehicle, the cylinder 1 is in a retracted state and the wheels 7 are separated from the track.
When the suspension function of the magnetic levitation vehicle fails, the piston rod 1-2 of the oil cylinder 1 is controlled to extend, so that the power and the supporting force for the downward movement of the wheel frame 6 are provided, the magnetic levitation vehicle is supported by the rescue wheel, the wheels 7 of the rescue wheel are directly contacted with the track, and the rescue wheel walks along the track, so that the friction between the magnetic levitation vehicle and the track is reduced, and the rescue is facilitated.
When the levitation function of the magnetic levitation vehicle is invalid but the traction function is normal, the magnetic levitation vehicle can complete self-rescue through the rescue wheel; when the levitation function and the traction function of the magnetic levitation vehicle are invalid, the normal no-load operation vehicle can rescue the full-load fault vehicle.
Example 2
The embodiment provides a mounting structure of a rescue wheel for a magnetic levitation vehicle, which comprises the rescue wheel for a magnetic levitation vehicle according to embodiment 1, wherein the oil cylinder 1 and the guide frame 3 are both connected to a suspension frame 9 of the magnetic levitation vehicle.
The oil cylinder 1 is arranged on the levitation vehicle levitation frame 9, so that the wheel frame 6, the wheels 7 and other parts are connected with the levitation vehicle levitation frame 9; the guide frame 3 is arranged on a suspension frame 9 of the magnetic levitation vehicle, and the wheel frame 6 is guided and limited.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a rescue wheel for magnetic levitation vehicle which characterized in that:
the magnetic levitation vehicle suspension device comprises a wheel frame, wherein wheels are connected to the wheel frame, a vertical telescopic device is connected to the top of the wheel frame, and the vertical telescopic device is used for being connected with a magnetic levitation vehicle suspension frame;
the outside of wheel carrier is equipped with the leading truck, the leading truck is used for providing vertical direction to the wheel carrier, restriction wheel carrier rotation, the leading truck be used for with the magnetic levitation vehicle suspension frame links to each other.
2. The rescue wheel for a magnetically levitated vehicle of claim 1, wherein:
an elastic telescopic device is arranged between the wheel frame and the guide frame, the elastic telescopic device is a spring, the spring is arranged in the wheel frame, the upper surface of the spring is connected to the wheel frame, the lower surface of the spring is connected to a spring lower support, and the spring lower support can be abutted against the guide frame.
3. The rescue wheel for a magnetically levitated vehicle according to claim 2, characterized in that:
the side of leading truck has seted up the mating holes, spring undershot support part stretches into in the mating holes, the lower surface of spring undershot support can with the inner wall looks butt in mating holes.
4. The rescue wheel for a magnetically levitated vehicle of claim 1, wherein:
the guide frame is provided with a guide hole, the wheel frame passes through the guide hole and is matched with the guide hole, and the wheel frame can move up and down along the matching surface in the vertical direction.
5. The rescue wheel for a magnetically levitated vehicle of claim 1, wherein:
the vertical telescopic device is an oil cylinder, the oil cylinder comprises a cylinder barrel and a piston rod, the piston rod can move up and down relative to the cylinder barrel, and the cylinder barrel is used for being connected with the magnetic levitation vehicle suspension frame.
6. The rescue wheel for a magnetically levitated vehicle of claim 5, wherein:
the piston rod is connected with a piston rod adjusting shaft, the piston rod adjusting shaft can move on the piston rod, and the lower part of the piston rod adjusting shaft is connected with the upper part of the wheel frame.
7. The rescue wheel for a magnetically levitated vehicle of claim 4, wherein:
the wheel carrier comprises a wheel carrier guide part and a wheel carrier connecting part, wherein the outer side of the wheel carrier guide part is matched with the inner side of the guide hole, and the wheel carrier connecting part is used for connecting the wheels.
8. The rescue wheel for a magnetically levitated vehicle of claim 1, wherein:
wheel connecting pieces are arranged on the wheel frame connecting parts in a penetrating mode, the middle parts of the wheel connecting pieces are connected with the wheels, the wheels can axially rotate around the wheel connecting pieces, and two ends of the wheel connecting pieces are connected with the wheel frame connecting parts.
9. The rescue wheel for a magnetically levitated vehicle of claim 1, wherein:
the part of the wheel contacted with the running surface is an insulating piece.
10. The utility model provides a mounting structure of rescue wheel for magnetic levitation vehicle which characterized in that:
rescue wheel for a magnetic levitation vehicle according to any of claims 1-9, wherein the vertical telescopic device and the guide frame are both connected to the magnetic levitation vehicle suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222496149.6U CN219115143U (en) | 2022-09-21 | 2022-09-21 | Rescue wheel for magnetic levitation vehicle and mounting structure of rescue wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222496149.6U CN219115143U (en) | 2022-09-21 | 2022-09-21 | Rescue wheel for magnetic levitation vehicle and mounting structure of rescue wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219115143U true CN219115143U (en) | 2023-06-02 |
Family
ID=86529329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222496149.6U Active CN219115143U (en) | 2022-09-21 | 2022-09-21 | Rescue wheel for magnetic levitation vehicle and mounting structure of rescue wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219115143U (en) |
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2022
- 2022-09-21 CN CN202222496149.6U patent/CN219115143U/en active Active
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