The overall design for the hydraulic top drive, discussed how to choice the motor, pump, and the design and layout of the gear box, the brake energy recovery and so on.
对液压顶驱进行了总体设计，讨论了马达、泵等的选择，减速箱的设计方案与布局，刹车制动能量回收等。
In the two kinds of the tubular pump sets, the gear box transmission scheme is much better in hydraulic performance.
而这两种贯流泵装置，又以齿轮箱传动方案的水力性能为优。
An oil pump (18) is arranged on the external part of the casing of the gear box and on a power output shaft (17), and an oil cylinder (9) is arranged on the rear upper part of the gear box.
在变速箱的壳体外部，于动力输出轴(17)上装有油泵(18)，而油缸(9)被安放在变速箱的后上部。
High pressure cleaning pump High pressure cleaning pump, portable or stationary, has two kind of transition devices: transmitting belt or inner-placed gear box.
系列高压清洗泵有移动式、固定式，又有皮带和内置减速器两种。传动型式使用方便，压力高，流量大，运行平稳，安全可靠，清洗范围广。
High pressure cleaning pump High pressure cleaning pump, portable or stationary, has two kind of transition devices: transmitting belt or inner-placed gear box.
系列高压清洗泵有移动式、固定式，又有皮带和内置减速器两种。传动型式使用方便，压力高，流量大，运行平稳，安全可靠，清洗范围广。
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