A low-speed high-torque hydraulic motor system based on internal gear shaft transmission
A low-speed, high-torque, hydraulic motor technology, applied in servo motors, servo motor components, fluid pressure actuation devices, etc., can solve the problems of increasing the complexity of hydraulic control circuits and hydraulic motor working systems, and achieve simple and reliable hydraulic control principles. , Easy to lock, improve the effect of output torque
Active Publication Date: 2022-04-05
ZHEJIANG UNIV
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Problems solved by technology
The expansion and contraction sequence of each plunger is regulated by control elements such as hydraulic valves, which also increases the complexity of the hydraulic control circuit and the working system of the hydraulic motor
Method used
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[0028] DETAILED DESCRIPTION OF THE INVENTION The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.
[0029] Such as figure 1 and figure 2 As shown, the present invention includes a mechanical transmission mechanism and a hydraulic control circuit, and the mechanical transmission mechanism is a main body portion, a mechanical transmission mechanism, and a hydraulic control circuit of the present invention through a joint and hose or the like;
[0030] The mechanical transmission mechanism includes a housing, a cylinder 1, a plurality of transmission structures, and an internal gear shaft 5, a cylinder body 1, a transmission structure, and an internal gear shaft 5, and in the outer casing, the cylinder 1 coaxial fixation is mounted to the internal gear shaft 5 In the axial interval along the cylinder 1, there is a plurality of step cylindrical through holes, which are simplified, and only one step through hole ...
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The invention discloses a low-speed high-torque hydraulic motor system based on internal gear shaft transmission. Including the mechanical transmission mechanism and the hydraulic control circuit, the mechanical transmission mechanism and the hydraulic control circuit are connected; the mechanical transmission mechanism includes the outer casing, the cylinder body, several transmission structures and the inner gear shaft, and the cylinder body, the transmission structure and the inner gear shaft are all located in the outer casing Among them, the cylinder body is coaxially and fixedly installed in the internal gear shaft, and a plurality of stepped cylindrical through holes are evenly spaced along the axial direction of the cylinder body, and each stepped cylindrical through hole is arranged along the radial direction of the cylinder body, and each stepped cylindrical through hole The hole is connected with the inner wall of the internal gear shaft through a transmission structure, and each cylindrical cavity communicates with its own hydraulic control circuit. The present invention integrates a double-acting hydraulic cylinder and an internal gear mechanism into a hydraulic motor, reduces its output speed by virtue of the large reduction ratio of the internal gear transmission, and further increases the output torque by relying on multiple sets of external gears meshing with the internal gear at the same time.
Description
Technical field [0001] According to the field of hydraulic motor design and control technology, the present invention relates to a batch-based hydraulic cylinder as a drive element, which has a low output speed, a large output torque, a hydraulic motor system for obtaining a low output speed, a large output torque. Background technique [0002] The hydraulic motor is used as a hydraulic actuetic element that outputs a rotational movement, which can be divided into two major categories: high-speed hydraulic motor and low speed hydraulic motor according to its rated speed. The low-speed hydraulic motor mainly adopts the radial plunger structure, which has the characteristics of low speed and large output torque. The working characteristics of the radial plunger hydraulic motor are reliable, but their output speed and output torque are often limited to structural dimensions, requiring a respective deceleration apparatus to obtain further reduction in rotational speed and further imp...
Claims
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IPC IPC(8): F15B15/06F15B13/044F15B11/08
CPCF15B15/063F15B13/044F15B11/08F15B2013/0448F15B2211/205
Inventor 王林翔韩宇翔
Owner ZHEJIANG UNIV