The invention discloses lifting equipment of a portal crane. The lifting equipment comprises a lifting appliance, a mounting seat, a lifting device and a telescopic rod, the lifting appliance is used for lifting external objects; the mounting seat is arranged above the lifting appliance; the lifting device comprises a lifting rope and a rope winding device arranged on the mounting seat; the rope winding device is in transmission connection with the lifting appliance through a lifting rope and can drive the lifting appliance to ascend and descend by winding and unwinding the lifting rope. The top end of the telescopic rod is connected to the mounting seat, and the bottom end of the telescopic rod is connected to the lifting appliance; the telescopic rod can be driven by the lifting appliance to stretch out and draw back. According to the lifting equipment of the portal crane, the telescopic rod is connected between the lifting appliance and the mounting seat, the telescopic rod can prevent the lifting appliance from swinging relative to the mounting seat along with the lifting rope, the lifting appliance is prevented from swinging greatly in the using process, and then large potential safety hazards are avoided.
本发明公开了一种门式起重机的起升设备,包括吊具、安装座、提拉装置和伸缩杆;吊具用于吊起外部物件;安装座设置在吊具上方;提拉装置包括提拉绳和设在安装座上的卷绳装置;卷绳装置通过提拉绳与吊具传动连接,并能够通过卷放提拉绳带动吊具升降;伸缩杆的顶端连接在安装座上,伸缩杆的底端连接在吊具上;伸缩杆能够在吊具的带动下伸缩。本发明的门式起重机的起升设备通过在吊具和安装座之间连接伸缩杆,伸缩杆可阻止吊具带着提拉绳相对安装座摆动,避免在使用过程中,吊具发生较大摆动,继而避免存在较大安全隐患。
Lifting equipment of portal crane and portal crane
一种门式起重机的起升设备和门式起重机
2023-03-24
Patent
Electronic Resource
Chinese