The invention provides a floor type four-rocker arm derrick which comprises a base, a derrick body, a lifting sleeve frame and a mast, the base is fixed to a ground foundation, the derrick body is fixed to the base, the lifting sleeve frame is fixedly installed on the base and located on the outer side of the derrick body, a base section is fixed to the top of the derrick body, and the mast is fixed to the derrick body. A rotary support is fixed to the top of the base section, a rocker arm base is fixed to the top of the rotary support, a mast is fixed to the top of the rocker arm base, four rocker arms are further fixed to the periphery of the rocker arm base, lifting ropes are arranged on the rocker arms, and the four rocker arms are provided with ground stay wires respectively. The single rocker arm is used for hoisting, the other two rocker arms are anchored on the tower leg, hoisting balance is carried out on the rocker arm on the opposite side in a hoisting rope landing anchoring mode, and the mast part at the head of the rocker arm is stable. Rocker arm derrick lifting can be carried out by adopting a lifting frame manual lifting mode or an iron tower leg lifting mode.
本发明提供了一种座地式四摇臂抱杆,包括底座、杆身、提升套架和桅杆,所述底座固定在地面基础上,所述杆身固定在底座上,所述提升套架固定安装在所述底座上,所述提升套架位于所述杆身的外侧,所述杆身的顶部固定有基座节,所述基座节的顶部固定有回转支撑,所述回转支撑的顶部固定有摇臂基座,所述摇臂基座的顶部固定有桅杆,所述摇臂基座的四周还固定有四个摇臂,所述摇臂上设有起吊绳,四个所述摇臂分别设有对地拉线。本发明采用单根摇臂起吊,其余两根锚固在塔腿,起吊对侧摇臂使用起吊绳落地锚固的方式进行吊重平衡、摇臂头部桅杆部分稳固。本发明抱杆可采用提升架人工提升的方式或利用铁塔腿部提升的方式进行摇臂抱杆提升。
Floor type four-rocker-arm derrick
一种座地式四摇臂抱杆
2023-09-29
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
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