The invention provides a rope lifting device for a crane and an operation method of the rope lifting device, and the rope lifting device comprises a mounting frame used for mounting a rope lifting frame and provided with a friction wheel; the rope lifting frame is movably connected with the mounting frame, a pressure-bearing pulley and a rope pressing roller are arranged on the rope lifting frame, a steel wire rope penetrates through the space between the rope pressing roller and the friction wheel and then bypasses the pressure-bearing pulley to penetrate out, when the rope lifting frame is located at the first position, a certain distance is formed between the rope pressing roller and the friction wheel, and the steel wire rope passing through the space between the rope pressing roller and the friction wheel is in a free state; when the rope lifting frame is located at the second position, the rope pressing roller abuts against the friction wheel, the steel wire rope between the rope pressing roller and the friction wheel is pressed, and the rope lifting frame is in a working state; the driving assembly comprises a rope lifting frame driving oil cylinder and a friction wheel driving motor, the rope lifting frame driving oil cylinder drives the rope lifting frame to be switched between the first position and the second position, the friction wheel driving motor drives the friction wheel to rotate, and when the rope lifting frame is in the working state, the friction wheel rotates to drive the steel wire rope to move.
本发明提供一种用于吊机的提绳装置及其操作方法,提绳装置包括:安装架,用于安装提绳架,安装架上设置有摩擦轮;提绳架,与安装架活动连接,提绳架上设置有承压滑轮和压绳辊子,钢丝绳穿过压绳辊子与摩擦轮之间后绕过承压滑轮穿出,提绳架位于第一位置时,压绳辊子与摩擦轮具有一定间距,经过压绳辊子与摩擦轮之间的钢丝绳处于自由状态;提绳架位于第二位置时,压绳辊子与摩擦轮抵接,压绳辊子与摩擦轮之间的钢丝绳被压紧,提绳架处于工作状态;驱动组件,包括提绳架驱动油缸和摩擦轮驱动电机,提绳架驱动油缸驱动提绳架在第一位置和第二位置之间切换,摩擦轮驱动电机驱动摩擦轮旋转,在提绳架处于工作状态时,摩擦轮旋转带动钢丝绳移动。
Rope lifting device for crane and operation method of rope lifting device
一种用于吊机的提绳装置及其操作方法
2024-10-18
Patent
Electronic Resource
Chinese
IPC: | B66D Haspeln , CAPSTANS |
Rope drum of rope lifting machine and fastening device of lifting rope
European Patent Office | 2022
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