A trailer head is used for dragging the trailer, the front end of the trailer is connected with the trailer head, the left side and the right side of the rear end of the trailer are each provided with an extending frame outwards, two hydraulic motors are fixedly installed at the upper ends of the front sides of the extending frames on the two sides, and the two extending frames are each internally provided with a planetary gear mechanism; output shafts of the two hydraulic motors are coaxially and fixedly connected with center wheels in the planetary gear mechanisms correspondingly, the two hydraulic cylinders are installed at the lower ends of the front sides of the extension frames on the two sides, and insertion rods are arranged at the top ends of extension rods of the hydraulic cylinders. The left overturning frame and the right overturning frame are installed on the rear sides of the extending frames on the two sides respectively and form a rotating pair, rotating shafts are arranged on the upper sides of the front ends of the two overturning frames, the front ends of the rotating shafts are fixedly connected with the retainers in the corresponding planetary gear mechanisms to form a moving whole, and taper holes are formed in the lower sides of the front ends of the two overturning frames. A left wheel is transversely arranged at the rear end of the left overturning frame, a right wheel is transversely arranged at the rear end of the right overturning frame, and the two wheels can rotate freely.
本发明公开一种工程机械专用拖车,车头用于牵引拖车,拖车前端与车头连接,拖车后端左右两侧向外各设有一个延伸架,两个液压马达固定安装于两侧延伸架的前侧上端,两个延伸架内部均安装有一个行星齿轮机构,两个液压马达的输出轴分别对应与行星齿轮机构中的中心轮同轴紧固连接,两个液压缸安装于两侧延伸架前侧下端,液压缸的伸出杆顶端设有插杆;左侧翻转架和右侧翻转架分别安装于两侧延伸架的后侧并构成转动副,两个翻转架的前端上侧均设有转轴,转轴前端分别与对应行星齿轮机构中的保持架紧固连接为一个运动整体,两个翻转架的前端下侧设有锥孔,左侧翻转架的后端横向设有左车轮,右侧翻转架的后端横向设有右车轮,两个车轮均可自由转动。
Special trailer for engineering machinery
一种工程机械专用拖车
05.07.2022
Patent
Elektronische Ressource
Chinesisch
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