The invention discloses a load-bearing wheel set switching device suitable for a pallet truck. A second connecting rod is connected between a load-bearing wheel assembly and a roller assembly, and a supporting wheel assembly is movably installed in the middle of the second connecting rod; a driving mechanism drives a roller of a roller assembly to move upwards, so that a first connecting rod movably connected to the roller swings anticlockwise, a second connecting rod is driven to move rightwards, at the moment, a third connecting rod on a supporting wheel assembly rotates clockwise, and a supporting wheel movably installed on the third connecting rod descends; when the second connecting rod moves rightwards, a fourth connecting rod of the loading wheel assembly is pulled to rotate clockwise, so that a loading wheel of the loading wheel assembly ascends until the loading wheel is tangent to the upper surface of the fork arm. The additional supporting wheels are additionally arranged in the middles of the fork arms, the supporting wheels are folded when not needed, and any available space is not occupied. When the driving mechanism acts, the wheel set switching process is automatically achieved.
本发明公开了一种适用于托盘车的承重轮组切换装置,负重轮组件和滚子组件之间连接有第二连杆,且支撑轮组件活动安装在第二连杆中部;驱动机构驱动滚子组件的滚子向上运动,使得滚子上活动连接的第一连杆逆时针摆动,从而带动第二连杆向右移动,此时,支撑轮组件上的第三连杆顺时针旋转,第三连杆上活动安装的支撑轮下降;第二连杆向右移动的同时,拉动负重轮组件的第四连杆顺时针转动,从而使得负重轮组件的负重轮上升,直至负重轮与叉臂上表面相切。本发明将额外的支撑轮加装于叉臂中部,并在无需支撑轮时将其收起,不占用任何可用空间。在驱动机构动作的同时,自动实现轮组切换的过程。
Load-bearing wheel set switching device suitable for pallet truck
一种适用于托盘车的承重轮组切换装置
2024-04-09
Patent
Electronic Resource
Chinese
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
Pallet truck suitable for matts-shaped pallets and using method of pallet truck
European Patent Office | 2024
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