The invention relates to the field of wharf bridge cranes, in particular to a bridge crane lifting two-stage speed reducer which comprises a rack, a steel cable used for lifting goods, a winding roller used for winding the steel cable and a driving shaft used for driving the winding roller to rotate are arranged on the rack, a brake disc is fixedly arranged on the driving shaft, a first hydraulic cylinder is arranged on the rack, and a second hydraulic cylinder is arranged on the rack. The first hydraulic cylinder is used for braking a brake block of the brake disc; the first driving assembly is used for driving the first hydraulic cylinder to move in the radial direction of the brake disc, the first reset assembly is used for driving the first hydraulic cylinder to reset, a driving wheel is fixedly arranged on the driving shaft, and a driving gear used for driving the first driving assembly to work is rotationally connected to the driving wheel. In order to overcome the defects in the prior art, the invention provides the two-stage speed reduction device for lifting of the bridge crane, and the two-stage speed reduction device for lifting of the bridge crane can decelerate and brake cargoes according to the lifting speed of the cargoes when the cargoes are lifted so as to ensure the safety of cargo lifting.
本发明涉及码头桥吊领域,特别地,涉及一种桥吊起升两级减速装置,包括机架,所述机架上设有用于吊装货物的钢缆,用于收卷钢缆的卷绕辊以及用于驱动所述卷绕辊转动的驱动轴,所述驱动轴上固设有刹车盘,所述机架上设有第一液压缸,所述第一液压缸用于制动所述刹车盘的制动块;还包括用于驱动所述第一液压缸沿所述刹车盘的径线方向移动的第一驱动组件以及用于驱动其复位的第一复位组件,所述驱动轴上固设有驱动轮,所述驱动轮上转动连接有用于驱动所述第一驱动组件工作的主动齿轮;本发明目的是克服现有技术的不足而提供一种桥吊起升两级减速装置,可在吊装货物时根据货物的起升速度对货物进行减速制动以保证货物吊装的安全性。
Two-stage speed reduction device for lifting of bridge crane
一种桥吊起升两级减速装置
16.05.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B66D Haspeln , CAPSTANS |
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