Relieve disaster with quick erection bracing frame in colliery
The utility model relates to a colliery supporting device technical field discloses a relieve disaster with quick erection bracing frame in colliery, include: the holding surface, a plurality of section of thick bamboos of inserting, a plurality of jack, a plurality of chassis and a plurality of spr...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a colliery supporting device technical field discloses a relieve disaster with quick erection bracing frame in colliery, include: the holding surface, a plurality of section of thick bamboos of inserting, a plurality of jack, a plurality of chassis and a plurality of spring, the bottom at the holding surface is fixed to a plurality of section of thick bamboos of inserting, the upper end diameter of jack and the internal diameter phase -match of inserting a section of thick bamboo, the lower extreme of jack and the top fixed connection on chassis, the bottom on chassis is fixed with a plurality of ground claw, the outer fixed surface who inserts a section of thick bamboo has a plurality of first pull rings, the upper portion of jack is fixed with a plurality of second pull rings, spring one end is connected with first pull ring, the other end and the second pull ring of spring are connected, this kind of relieve disaster with quick erection bracing frame in colliery, and installati |
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