The invention discloses a marine rotatable crane which comprises a ship body, a rotating shaft is movably arranged at the top of a crane base, three hoisting traction lines are in traction connection with the interior of a hoisting traction seat, a hydraulic lifting rod is fixedly arranged on one side of the bottom of the crane base, and a first protection frame is fixedly installed on one side of the top of a rotating rack. A second protection frame is slidably connected to the outer side of the first protection frame, floating rods are arranged on the two sides of the bottom end of the ship body, and the bottom end of a traction screw rod is connected with the top end of a sliding rod; the rotating rack is arranged at the top of the crane base, the first protective frame and the second protective frame are arranged on one side of the rotating rack, the second protective frame is movably arranged, when the hoisting frame is suspended, the second protective frame is pulled to be unfolded through the traction wheel and the traction line, and the hoisting frame descends; and the air enters the first protection frame and the second protection frame, so that the air is protected, and erosion of sea wind is reduced.
本发明公开了一种船用可旋转式起重机,包括船体,起重机底座的顶部活动设置有转轴,吊装牵引座的内部牵引连接有三个吊装牵引线,起重机底座的底部一侧固定设置有液压升降杆,旋转台架的顶部一侧固定安装有第一防护框架,第一防护框架的外侧滑动连接有第二防护框架,船体的底端两侧均设置有浮杆,牵引丝杆的底端与滑杆的顶端连接;本发明起重机底座的顶部设置有旋转台架,且旋转台架的一侧设置第一防护框架和第二防护框架,第二防护框架活动设置,当吊装框架在暂停使用时,通过牵引轮和牵引线拉动第二防护框架展开,吊装框架下降,进入到第一防护框架和第二防护框架内部,进而对其进行保护,降低海风的侵蚀。
Marine rotatable crane
一种船用可旋转式起重机
2023-06-06
Patent
Electronic Resource
Chinese