The invention discloses an electric and manual dual-purpose lever block which comprises a shell, a chain lifting hook, a block lifting hook, a chain, a transmission shaft, an upper wrench, a lower wrench, a handle, a ratchet wheel and a pawl, the upper wrench and the lower wrench are detachably connected with the transmission shaft, and a transmission gear is fixed to the transmission shaft; a spline shaft with the axis arranged in the horizontal direction is rotationally connected to the shell, a driving gear is slidably connected to the spline shaft, the driving gear can be meshed with the transmission gear in the process of sliding along the spline shaft, and the driving gear is driven by a motor. A traditional lever block is modified, and the electric transmission device is additionally arranged, so that the effects of convenience, labor saving and high efficiency are achieved; and meanwhile, a manual driving mode is reserved, the lever block can be freely switched between an automatic driving mode and a manual driving mode according to requirements in the actual use process, and the applicability of the lever block is improved.
本发明公开了一种电动、手动两用手扳葫芦,包括外壳、链条吊钩、葫芦吊钩、链条、传动轴、上下扳手、手柄以及棘轮棘爪,所述上下扳手与所述传动轴可拆卸连接,所述传动轴上固定有传动齿轮;所述外壳上转动连接有轴线沿水平方向布置的花键轴,所述花键轴上滑动连接有驱动齿轮,所述驱动齿轮沿着所述花键轴滑动的过程中能与所述传动齿轮啮合,所述驱动齿轮由电机驱动。本发明通过对传统手扳葫芦改装,加装电动传动装置,具有便捷,省力、高效的作用;同时保留了手动驱动方式,手扳葫芦在实际使用的过程中可根据需求在自动驱动方式与手动方式之间自由切换,提高手扳葫芦的适用性。
Electric and manual lever block
一种电动、手动两用手扳葫芦
10.11.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B66D Haspeln , CAPSTANS |