A hoop and a driving mechanism are mounted on a driving disc, the driving mechanism drives the hoop to hold and open, and a first end lug and a second end lug are arranged at the two ends of the hoop respectively; one end of the second connecting rod is hinged to the second end lug, and the other end is hinged to the driving disc; one end of the first connecting rod is hinged to the first end lug, and the other end is connected with the driving mechanism. In the repeated and continuous holding and opening process of the hoop, the first connecting rod and the second connecting rod swing circularly, the cyclic deformation of repeated and continuous holding and opening of the hoop is reduced, the holding tension is reduced, and fatigue fracture of the hoop is avoided. Due to the fact that the deformation amount of the hoop is small, the radian of the hoop can be designed according to the holding state of the hoop, the attaching degree of the holding brake piece and the brake drum is high, the friction area is increased, the hoop is stressed evenly, the service life is long, and safety, reliability and sensitivity are high.
本发明公开了一种卷扬机抱式离合机构,在主动盘上安装有抱箍和驱动机构,驱动机构驱动抱箍抱紧和张开,抱箍两端分别设置有第一端耳和第二端耳;第二连接杆一端与第二端耳铰接,第二连接杆另一端与主动盘铰接;第一连接杆一端与第一端耳铰接,第一连接杆另一端与驱动机构连接。本发明抱箍在反复持续抱紧和张开过程中,第一连接杆和第二连接杆循环摆动,减少抱箍反复持续抱紧和张开循环变形量,减少抱紧拉力,避免抱箍疲劳断裂。由于抱箍变形量少,可以根据抱箍抱紧状态时设计抱箍弧度,抱刹片与制动鼓贴合度高,摩擦面积增大,抱箍受力均衡,使用寿命长,安全性和可靠性及灵敏性高。
Hoist embracing type clutch mechanism
一种卷扬机抱式离合机构
2023-08-18
Patent
Electronic Resource
Chinese