The invention discloses a speed-adjustable trolley, which belongs to the field of transportation tools. The speed-adjustable trolley is characterized in that the trolley comprises a trolley body, a main shaft, wheels and a speed limiting box; the speed limiting box is mounted on the wheels; a first fixing plate and a second fixing plate are fixedly installed on the main shaft; an inner gear is arranged at the position, close to the first fixing plate, in a shell; and an acceleration gear set is arranged in the shell, a box body is arranged at the tail end of the acceleration gear set, a sliding block is arranged in the box body and sequentially connected with a connecting rod and a rocker, and a balance weight is arranged at the tail end of the rocker. Compared with the prior art, the trolley has the characteristic that the speed can be automatically limited when the trolle goes downhill.
本发明公开了一种可调速手推车,属于运输工具领域,其特征在于:包括车体、主轴、车轮和限速箱;所述的限速箱安装在车轮上;主轴上分别固定安装一号固定板和二号固定板;壳体内靠近一号固定板的位置设有内齿轮;可体内设有一组加速齿轮组,加速齿轮租的末端设有盒体,盒体内设有滑块,滑块依次连接连杆和摇杆,摇杆末端设有配重。与现有技术相比较具有推车下坡时能够自动限速的特点。
Speed-adjustable trolley
一种可调速手推车
2020-04-10
Patent
Electronic Resource
Chinese
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |
Extensible gauge-adjustable low-speed rail trolley frame structure
European Patent Office | 2021
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