Heavy coaxial winch

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Heavy coaxial winch

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LIU JIAN / ZONG ZE / WEI JIAJIA / ZHOU GUANGQUAN / ZHANG FENG

The heavy coaxial winch comprises a base, supporting frames are symmetrically arranged on the two sides of the top of the base, a servo motor is arranged on one side of each supporting frame, a rotating shaft is arranged at the output end of each servo motor, and center gears are symmetrically arranged on the two sides of the outer side of each rotating shaft; under the cooperation of the rotating disc, the sliding rod, the sliding block, the sliding groove, the connecting block, the ejecting block and the limiting groove, protection can be conducted according to the rotating speed of the rotating disc during traction, in the descending process of a pulled heavy object, due to the fact that the rotating speed of the rotating disc is low, the centrifugal force is small, the ejecting block cannot conduct blocking, and if external driving force fails, protection can be conducted. The force of the heavy object can drive the rotating disc to rotate rapidly, at the moment, the centrifugal force is large, then the multiple sets of top blocks are unfolded and clamped in the limiting grooves, the rotating disc does not rotate any more, locking is conducted, rotation is not conducted any more, and the situation that the heavy object falls off is effectively prevented.

本发明公开了重型同轴卷扬机，包括底座，所述底座顶部的两侧对称设有支撑架，所述支撑架的一侧设有伺服电机，所述伺服电机的输出端设有转轴，所述转轴外侧的两侧对称设有中心齿轮；本发明本发明通过转盘、滑杆、滑块、滑槽、连接块、顶块和限位槽的配合下，能根据牵引时转盘的转速来进行防护，在牵引的重物下降的过程中，由于转盘的转速慢，其离心力较小，顶块不会进行阻挡，如果外界的驱动力失效的话，重物的力会带动转盘快速的进行旋转，此时离心力大，进而使得多组顶块展开卡于限位槽的内部，使得转盘不再进行旋转，从而进行锁紧，不再进行旋转，有效的防止重物掉落的情况发生。