Three-piece type through channel top plate device
The utility model belongs to the technical field of rail transit equipment, and particularly relates to a three-piece type through channel top plate device which mainly comprises a middle top plate, a left protection plate, a right protection plate and a connecting rod mechanism. The left side of th...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model belongs to the technical field of rail transit equipment, and particularly relates to a three-piece type through channel top plate device which mainly comprises a middle top plate, a left protection plate, a right protection plate and a connecting rod mechanism. The left side of the middle top plate is provided with a left side protection plate, the right side of the middle protection plate is provided with a right side protection plate, the middle top plate is connected with the left side protection plate and the right side protection plate through 2-3 connecting rod mechanisms, and the right side of the left side protection plate and the left side of the right side protection plate are in lap joint with the middle top plate. Flangings are additionally arranged at the positions close to the two ends and the middle; 2, widening the middle position area of the protective plate panel of the lower top plate; the lap joint amount of the guard plate panel and the middle top plate is increased, th |
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