The invention discloses a hoisting machinery safety height limiting device which comprises a cargo boom, a hoisting mechanism is arranged on the cargo boom, the hoisting mechanism comprises a fixed bracket connected through a steel wire rope, a height limiting mechanism is arranged at the position, corresponding to the fixed bracket, of the cargo boom, a safety limiting mechanism is arranged on the fixed bracket, and the height limiting mechanism and the safety limiting mechanism are connected through a steel wire rope. The lifting mechanism, the height limiting mechanism and the safety limiting mechanism are all connected with the PLC. The height limiting mechanism is arranged on the hoisting mechanism, the safety limiting mechanism is further arranged on the hoisting mechanism, the situation that cargoes move out of the range and fall off can be prevented, the situation that the cargoes fall off due to breakage of a steel wire rope can be prevented in time, casualties are avoided, and operation is fast and convenient.
本发明公开了一种起重机械安全高度限位装置,包括起重臂,在所述起重臂上设有起升机构,所述起升机构包括由钢丝绳连接的固定托架,在所述起重臂上对应固定托架的位置处设有高度限位机构,在该固定托架设有安全限位机构,所述起升机构、高度限位机构和安全限位机构均与PLC控制器连接。本发明在起升机构上设置高度限位机构,并在起升机构上还设置了安全限位机构,既能防止货物移动超出范围而发生掉落,还能及时防止因钢丝绳断裂而造成货物的掉落,避免造成人员伤亡,操作快捷。
Safety height limiting device for crane
一种起重机安全高度限位装置
2023-09-01
Patent
Elektronische Ressource
Chinesisch
IPC: | B66C Krane , CRANES |
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