In this paper, the principle of variable speed pump control hydraulic differential cylinder is designed, and the simulation model of system is built, and the simulation research is carried out.

给出了采用变转速泵控闭式回路控制差动缸的原理，建立了该系统的数学模型，进行了计算机数字仿真研究。

youdao

Clear water hydraulic model test was done, and the result verifies that the late model automatic water expansion cylinder sluice can start and stop automatically.

首先对新型的水力自控滚筒闸进行清水水工模型试验，通过实验可以证实，新型的水力自控闸门是可以按设计要求自动启闭的。

youdao

The utility model is a sensor for measuring the strokes and the load of the hydraulic cylinder and is suitable for measuring the current stroke and the load of the hydraulic cylinder.

本实用新型是一种测量液压缸行程及其载荷的传感器，适用于测量液压缸的当前行程及载荷值。

youdao