Movable rolling telescopic ladder stand
The utility model discloses a movable rolling telescopic ladder stand. The movable rolling telescopic ladder stand comprises a base; an opening is formed in the top of the base; the plurality of pulleys are arranged at the bottom of the base; the rolling and pulling expansion piece is arranged in th...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a movable rolling telescopic ladder stand. The movable rolling telescopic ladder stand comprises a base; an opening is formed in the top of the base; the plurality of pulleys are arranged at the bottom of the base; the rolling and pulling expansion piece is arranged in the base; the flexible crawling ladder is arranged on the rolling and pulling expansion piece in a winding manner and can penetrate through the opening to extend out of the base and retract into the base; and the fixer is arranged at the tail end of the flexible crawling ladder and is used for being clamped with a clamping groove in the valve chamber. The flexible ladder stand can be driven by the rolling telescopic device to retract into the base from the opening, so that the movable rolling telescopic ladder stand only occupies the space of one base when not used, the occupied space of the whole structure is reduced, and the utilization rate of the space in the valve chamber is increased.
本申请公开一种可移动式卷拉伸缩爬梯,其包括:底座;所 |
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