(cylinder) 液压马达(motor) 液压回路(circuit) 压力控制回路(pressure control) 流量(速度)控制回路(speed control) 方向控制回路(directional valve control) 安全回路(security control) 定位回路(position control) 同步回路(synchronise circuit) 顺序动作回路(sequeunt circuit) 液压泵(pump) 阀(valve) 压力控制阀...
Rotary motion can be achieved by directly driving the arm connecting component with the piston rod of the hydraulic cylinder and driving the arm connecting component with a direct current (DC) motor with a harmonic transmission device. The arm connecting component should generally have at least ...
Figure 6.Hydraulic PTO unit circuit diagram. In theFigure 6, 1 is a hydraulic cylinder, 2 is a rectifying circuit composed of a one-way valve, 3 is a high-pressure accumulator, 4 is a low-pressure accumulator, 5 is a variable hydraulic motor, 6 is the PTO system relief valve, 7 and...
In this manner, leakage of pressure oil from the hydraulic cylinder can be prevented and an extension/contraction state of the hydraulic cylinder can be maintained at low cost. The hydraulic circuit may be formed so that oil flows between the undercarriage and the revolving superstructure via a ...
circuit diagram into an assembly, and d) illustrating the function of the circuit in interaction with the valves and elements by means of a movable base frame and an appliance wall (wet) vertically arranged thereon as well as by means of a hydraulic tank and at least one hydraulic cylinder....
(two-position four-way reversing valve), extension and retraction of the executive element (double-acting hydraulic cylinder), and opening and closing of the overflow valve. For both the actuator and the control element, the presentation is based on the loop symbol, which also prepares the loop...
When this occurs, the fluid pressure in the power chamber 51 remains constant so that the braking effort applied through the output rod 50 on the master cylinder 22 remains constant. If the vehicle operator applies an input force of increasing magnitude on the input rod 31, the input rod ...
美 英 un.液压系统 英汉 网络释义 un. 1. 液压系统 释义: 全部,液压系统
FIG. 2is a schematic diagram of the hydraulic circuit of the hydraulic jack of the present invention. DESCRIPTION OF ILLUSTRATIVE EMBODIMENTS Referring toFIG. 1, the hydraulic jack of the present invention comprises a base25, an oil pump1, a working oil cylinder2, a piston3, an oil box6an...
Indicated at 16 is a cylinder with a piston 16-a for operating the changeover valve 15, at 17 a changeover valve for controlling the piston-cylinder 16, at 18 a change-over valve for delayed return, and at 19 a flow regulator valve. The change-over valve 17 detects the pressure of the...