Device for hydraulic support
The utility model discloses a device for hydraulic support, including running gear, the hydraulic pressure support column, 2 at least roofs are used for the drive the shrink supporting mechanism of roof, running gear on be equipped with the base skeleton, hydraulic pressure support column bottom set...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model discloses a device for hydraulic support, including running gear, the hydraulic pressure support column, 2 at least roofs are used for the drive the shrink supporting mechanism of roof, running gear on be equipped with the base skeleton, hydraulic pressure support column bottom sets up on the base skeleton, the top of hydraulic pressure support column with said roof swing joint is adjacent pass through hinged joint between the roof. The utility model discloses a shrink of can bending of rational design roof and support column structure, roof, the pressure release is shaken off to the colliery thing on the roof of being convenient for, is equipped with the spring on the telescopic link, can cushion the shrink when pressure changes suddenly, solved rigid structure to the impact force can not the active absorption the problem, it is convenient to move, the tunnel speedy drivage of being convenient for |
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