The invention discloses a lifting pull rod. A stand column penetrates through an upper through hole and a lower through hole of a sliding frame; an upper clamping plate is arranged above the sliding frame; the lower part of the upper clamping plate is rotationally connected with the upper side of the sliding frame; a first through hole is formed in the middle of the upper clamping plate; the standcolumn penetrates through the first through hole; a second through hole is further formed in the upper part of the upper clamping plate; rotating shafts arranged in parallel are arranged in the second through hole; a swinging rod is arranged between the rotating shafts; the lower part of the swinging rod is fixed on the upper plane of a sliding block; a pressure spring is installed outside the swinging rod in a sleeving mode and between the upper clamping plate and the upper plane of the sliding frame; a lower clamping plate is arranged at the position, in the middle of the sliding frame, ofthe stand column; the stand column penetrates through a through hole of the lower clamping plate; a tension spring is arranged between the middle of the lower clamping plate and the upper part of thesliding frame; the outer side of a pressure seat is connected with the lower part of the vertical surface of the sliding frame through a shaft; a pressure rod is arranged on the pressure seat; and thepressure rod abuts against the upper side of the lower clamping plate. The lifting pull rod is small and exquisite in structure, large in lifting force, convenient to carry and suitable for any smalllifting place.
本发明公开一种起重拉杆,立柱穿套在滑框的上下通孔内,滑框的上方设置上夹板,所述上夹板的下部与滑框的上侧转动连接,上夹板的中部设置通孔一,所述通孔一穿套于立柱上,所述上夹板的上部还设置通孔二,通孔二内设置平行排列的转轴,所述转轴间设置摆杆,摆杆的下方固定在滑块的上平面上,摆杆的外侧、上夹板与滑框上平面间套装压簧,位于所述滑框中部位置的立柱上设置下夹板,所述下夹板的通孔穿套在立柱上,下夹板的中部与滑框的上部间设置拉簧,压座的外侧与滑框的垂直面的下方轴接,压座上设置压杆,所述压杆与下夹板的上侧抵接;本发明的优点是:结构小巧,起重力较大,且方便携带,适用于任何小型起重场所。
Lifting pull rod
一种起重拉杆
2020-11-24
Patent
Electronic Resource
Chinese
IPC: | B66D Haspeln , CAPSTANS |