The anti-sliding and anti-overturning device of the portal crane comprises a crane frame, a clamping mechanism hinged to the crane frame, and a push-pull mechanism which is hinged to the clamping mechanism and can enable the clamping mechanism to rotate, the clamping mechanism comprises a clamping frame, a clamping arm capable of rotating, a driving connecting rod which is hinged to the clamping arm and can push and pull the clamping arm to rotate, and a driving power part which is hinged to the driving connecting rod and can drive the driving connecting rod; the rotating center of the clamping arm is arranged in the middle of the clamping arm, the driving connecting rod is arranged at one end of the clamping arm, the rail clamping device is arranged at the other end of the clamping arm, and the rail clamping device can clamp a rail under the rotating action of the clamping arm; and the rail clamping device can be far away from the rail through the overall rotation of the clamping mechanism. The section shape of the rail clamping device is matched with that of the rail, and the rail clamping device can surround the upper portion of the rail.
门式起重机抗滑防倾覆装置,包括起重机架、铰接于起重机架的夹紧机构、以及铰接于夹紧机构并能够使所述夹紧机构转动的推拉机构;所述夹紧机构包括夹紧架、能够转动的夹臂、铰接于所述夹臂并能够推拉所述夹臂转动的驱动连杆,以及铰接于所述驱动连杆并能够驱动所述驱动连杆的驱动动力部件;所述夹臂的转动中心设置于所述夹臂的中部,所述驱动连杆设置于所述夹臂的一端,所述夹臂的另一端设置夹轨器,所述夹轨器能够在所述夹臂的转动作用下夹紧轨道;所述夹轨器还可以通过所述夹紧机构的整体转动远离轨道。夹轨器的截面形状与轨道的截面形状相配合,并能够对轨道的上部形成包围。
Anti-sliding and anti-overturning device of portal crane and control system
门式起重机抗滑防倾覆装置及控制系统
2022-12-02
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
Crane stability analysis method and crane anti-overturning control method and device
European Patent Office | 2022
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