| 摘要 |
A double-rack lift consists of a frame, in which racks and installed gears and an electric motor are fastened. Between two parallel racks a unit of gears is located, which has two separate sections, between channel-shaped walls of which the gears on the axles are installed, out of which the inner ones are engaged with the toothed gear of electric motor fastened on the lower plate of block. The extreme gears are engaged with the racks fixed on the frame. |
