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US 2023/0127428 A1Published application
Guide wheel mounting base, guide device having same, and rail vehicle
AssigneeBYD Company Limited
InventorsLiujiang ZHENG, Zhicheng TAN, Di LI, Weida LIU
Life of this patent
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Abstract
A rail vehicle and a guide device and a guide wheel mounting base used for the rail vehicle are provided. The guide wheel mounting base includes a mounting bracket and a wheel shaft fixing shaft. A through guide hole is provided on the mounting bracket. An outer end of the wheel shaft fixing shaft is connected with a guide wheel. An inner end of the wheel shaft fixing shaft extends through the guide hole. The wheel shaft fixing shaft is movable along an extending direction of the guide hole.
Claims20
A guide wheel mounting base, configured to mount a guide wheel, wherein the guide wheel is mounted to a guide wheel shaft;
- and the guide wheel mounting base comprises:
- a mounting bracket, wherein a guide hole is provided on the mounting bracket;
- and
- a wheel shaft fixing shaft, wherein an outer end of the wheel shaft fixing shaft is configured to connect with the guide wheel shaft;
- a central axis of the guide wheel shaft is perpendicular to a central axis of the wheel shaft fixing shaft;
- an inner end of the wheel shaft fixing shaft extends through the guide hole;
- and in an extending direction of the guide hole, a space is reserved between the inner end of the wheel shaft fixing shaft and an inner end of the mounting bracket for the wheel shaft fixing shaft to move back and forth along the extending direction of the guide hole.
4 more elements
A guide device, applicable to a rail vehicle, comprising:
- a guide frame;
- a guide wheel, mounted to a guide wheel shaft and configured to engage with a side surface of a rail;
- and
- a guide wheel mounting base, wherein the guide wheel is mounted to the guide frame through the guide wheel mounting base;
- and the guide wheel mounting base comprises:
- a mounting bracket, wherein a guide hole is provided on the mounting bracket;
- a wheel shaft fixing shaft, wherein an outer end of the wheel shaft fixing shaft is configured to connect with the guide wheel shaft;
- a central axis of the guide wheel shaft is perpendicular to a central axis of the wheel shaft fixing shaft;
- an inner end of the wheel shaft fixing shaft extends through the guide hole;
- and in an extending direction of the guide hole, a space i s reserved between planes where the inner end of the wheel shaft fixing shaft and an inner end of the mounting bracket are respectively located for the wheel shaft fixing shaft to move back and forth along the extending direction of the guide hole;
- an elastic component, configured to push the wheel shaft fixing shaft to move from inside toward outside along the extending direction of the guide hole when the wheel shaft fixing shaft reaches an inner end limit position;
- a first stop, configured to define the inner end limit position of the wheel shaft fixing shaft in the extending direction of the guide hole;
- and
- a second stop, configured to define an outer end limit position of the wheel shaft fixing shaft in the extending direction of the guide hole.
11 more elements
A rail vehicle, configured to travel on a rail, comprising:
- an axle;
- and
- guide devices, connected with the axle and each comprising:
- a guide frame;
- a guide wheel, mounted to a guide wheel shaft;
- and
- a guide wheel mounting base, wherein the guide wheel is mounted to the guide frame through the guide wheel mounting base;
- and the guide wheel mounting base comprises:
- a mounting bracket, wherein a guide hole is provided on the mounting bracket;
- a wheel shaft fixing shaft, wherein an outer end of the wheel shaft fixing shaft is configured to connect with the guide wheel shaft;
- a central axis of the guide wheel shaft is perpendicular to a central axis of the wheel shaft fixing shaft;
- the wheel shaft fixing shaft is arranged inside the guide hole;
- and in an extending direction of the guide hole, a space is reserved between an inner end of the wheel shaft fixing shaft and an inner end of the mounting bracket for the wheel shaft fixing shaft to move back and forth along the extending direction of the guide hole;
- an elastic component, configured to push the wheel shaft fixing shaft to move from inside toward outside along the extending direction of the guide hole when the wheel shaft fixing shaft reaches an inner end limit position;
- a first stop, configured to define the inner end limit position of the wheel shaft fixing shaft in the extending direction of the guide hole;
- and
- a second stop, configured to define an outer end limit position of the wheel shaft fixing shaft in the extending direction of the guide hole.
14 more elements
Dependencies are inferred from the claim text.