The invention discloses a round pipe inner crane which comprises a supporting plate and a lifting arm, the lifting arm is installed on the supporting plate, the supporting plate is provided with a side face, a supporting face and a bottom face, the supporting face and the bottom face are both planes, the supporting face is parallel to the bottom face, the lifting arm is installed on the supporting face, the side face comprises an arc attaching part and a flat attaching part, and the arc attaching part and the flat attaching part are arranged on the lifting arm. Two parallel side faces are provided with arc attaching parts and flat attaching parts, and the arc attaching parts on the two side faces are located on the same virtual circle. The clamping device has the following beneficial effects that the clamping device can stably slide in the circular pipe and can be clamped and fixed in the circular pipe after sliding to a preset position in the circular pipe.
本申请公开了圆管内吊车,包括支撑板及吊臂,所述吊臂安装在支撑板上,所述支撑板上设置有侧面、支撑面以及底面,所述支撑面与底面均为平面,且支撑面平行于底面,所述吊臂安装在支撑面上,所述侧面包括圆弧贴合部以及平贴部,且有两个平行的侧面设置有圆弧贴合部及平贴部,且两个侧面上的圆弧贴合部处于同一个虚拟的圆上。本发明具有如下有益效果:可以在圆管内稳定地滑动,当在圆管内滑动到预定位置后,可以被卡夹固定在圆管内。
Electric round pipe inner crane
电动圆管内吊车
2024-06-14
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
European Patent Office | 2020
|