The invention discloses a variable-frequency dual-drive electric rotary lifting hook. The variable-frequency dual-drive electric rotary lifting hook comprises a lifting hook beam, wherein a slewing bearing is installed in the middle of the lifting hook beam, three-in-one speed reducers are installed on the two sides of the slewing bearing, and forward and reverse rotation driving pinions are rotationally connected to output shafts of the three-in-one speed reducers; lifting pulley blocks are fixedly connected to the two sides of the upper end surface of the lifting hook beam, a cross-shaped connector is fixedly connected to the lower end surface of the slewing bearing, and a lifting hook body is movably connected to the lower end of the cross-shaped connector. According to the electric rotary lifting hook, the dual-motor-drive slewing bearing is adopted, stress is more uniform, and the service life of motors and the speed reducers is prolonged; and meanwhile, the variable frequency motors are adopted to drive the three-in-one speed reducers, and the driving speed of the motors can be adjusted under the control of a frequency converter, so that the rotary speed of the whole liftinghook is controlled, the lifting hook can swing in four directions through the cross-shaped connector arranged below the slewing bearing in a matched mode, and the applicability of the equipment is improved.
本发明公开了一种变频双驱动电动旋转吊钩,包括吊钩梁,吊钩梁的中部安装有回转支承,回转支承的两侧安装有三合一减速机,三合一减速机的输出轴转动连接有正反转的驱动小齿轮;吊钩梁的上端面两侧固定连接有起升滑轮组,回转支承的下端面固定连接有十字连接头,十字连接头的下端活动连接有吊钩,电动旋转吊钩采用双电机驱动回转支承,受力更加均匀,提高电机及减速机的使用寿命,同时采用变频电机带动三合一减速机,通过变频器的控制,可以调整电机驱动的速度,从而控制整个吊钩的旋转速度,回转支承下配有十字连接头可以是吊钩具有四个方向的摆动,提高设备的适用性。
Variable-frequency dual-drive electric rotary lifting hook
一种变频双驱动电动旋转吊钩
2020-08-18
Patent
Elektronische Ressource
Chinesisch
IPC: | B66C Krane , CRANES |
Europäisches Patentamt | 2022
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