The invention discloses an aircraft working ladder. The working ladder comprises a working ladder body, the working ladder body is fixed above a mounting bottom plate, four universal wheels are arranged below the mounting bottom plate, and the four universal wheels are arranged at four vertex angles below the mounting bottom plate respectively; the universal wheels are connected with the lower endof the mounting bottom plate through adapter plates, one end of each adapter plate is hinged to the mounting bottom plate, a bolt hole is formed in the other end of each adapter plate, fixing holes are formed in the mounting bottom plate, and the adapter plates are fixed to the lower end of the mounting bottom plate by inserting bolts into the fixing holes; and transverse supporting frames for supporting are further fixed to the front side and the rear side of the lower end of the mounting bottom plate correspondingly, the transverse supporting frames are lower than the universal wheels in the working process, and the heights of each transverse supporting frame is larger than the width of each adapter plate. The invention aims to provide the safe and reliable aircraft working ladder.
本发明公开了一种飞机工作梯,包括有工作梯本体,在安装底板的上方固定有所述工作梯本体,所述安装底板的下方设置有四个的所述万向轮,且四个的所述万向轮分别设于所述安装底板下方的四个顶角处;所述万项轮通过转接板连接所述安装底板的下端,所述转接板的一端铰接于所述安装底板,所述转接板的另一端设有螺栓孔,所述安装底板上设置有固定孔,所述固定孔通过插入螺栓将所述转接板固定在所述安装底板的下端;所述安装底板的下端前后两侧还分别固定有可供支撑的横向支撑架,所述横向支撑架的高度小于所述万向轮工作时的高度,且所述横向支撑架的高度大于所述转接板的宽度;本发明的目的是提供一种安全可靠的飞机工作梯。
Airplane working ladder
一种飞机工作梯
2020-04-10
Patent
Electronic Resource
Chinese
IPC: | B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen |
Folding type composite material airplane boarding ladder
European Patent Office | 2021
|