Three-piece type through channel top plate device
The invention belongs to the technical field of rail transit equipment, and particularly relates to a three-piece type through channel top plate device, wherein a main structure of the device comprises a middle top plate, a left protective plate, a right protective plate and a connecting rod mechani...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention belongs to the technical field of rail transit equipment, and particularly relates to a three-piece type through channel top plate device, wherein a main structure of the device comprises a middle top plate, a left protective plate, a right protective plate and a connecting rod mechanism. Compared to the prior art, the device is characterized in that: 1, a protective plate panel of an upper top plate is widened, and flanges are added at positions close to two ends and the middle; and 2, the middle position area of the protective plate panel of the lower top plate is widened; the lap joint amount of the protection plate panel and the middle top plate is increased, the separation and falling prevention performance of the upper top plate, the lower top plate and the middle top plate in the operation process is improved, extrusion, contact, collision and interference of the upper top plate and the lower top plate are avoided through the flanges, and the upper top plate and the lower top plate can be |
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