產品描述: 1. 主機結構面底架采用角鋼精焊而成，內外升降支臂采用加厚鋼板設計，鋼性好，承載能力強；
2. 液壓系統、電機及限位裝置均采用內置式隱蔽設計，外型美觀，不占空間；
3. 操作用腳踏開關控制，簡單且不影響雙手其它工作；
4. 缸徑采用Φ100mm加大設計，與支架聯接處采用球面關節軸承，有效防止由負荷不均和側力所產生的支臂軸承損傷。

1. The bottom frame of the main machine structure is made of angle steel by fine welding,with thickened steel plate design adopted for the internal and external support arms, which ensures good rigidity and carrying capacity;
2. Built-in enshrouded design is adopted for the hydraulic system, the motor and the stop device, which enables nice exterior and no space occupation;
3. The operation is controlled by means of foot switch, which is simple and Ieaves the hands free for other work;
4. Φ100mm enlarged design is adopted for the cylinder diameter and spherical knuckle bearing is adopted for the joint with the bracket, which effectively prevents the damage to the support arm bearing caused by uneven load and side force