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A Radial Piston Digital Variable Hydraulic Transformer

A technology of hydraulic transformers and digital variables, which is applied in fluid pressure actuation devices, fluid pressure actuation system components, servo motors, etc., can solve the problems of simple structure, low efficiency, and difficulty in implementing hydraulic transformers, and achieve bidirectional performance without difference, work efficiency improvement, and the effect of increasing the pressure regulation range

Active Publication Date: 2022-04-05
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hydraulic transformer of the traditional structure uses two plunger cylinders to realize the function, the structure is simple but the efficiency is low; the hydraulic transformer of the new era is difficult to realize, and it is impossible to control the output pressure and flow at the same time, that is, the power control cannot be realized

Method used

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  • A Radial Piston Digital Variable Hydraulic Transformer
  • A Radial Piston Digital Variable Hydraulic Transformer
  • A Radial Piston Digital Variable Hydraulic Transformer

Examples

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings.

[0034] Such as figure 1 As shown, it includes a plunger cylinder 1, a rotary oil distribution valve 5, a return spring 2 and an eccentric rod 4. The outer circumference of the eccentric rod 4 is provided with a plurality of plunger cylinders 1 at intervals along the circumference, and each plunger cylinder 1 and an eccentric rod The surface of parts 4 is connected by return spring 2, and multiple plunger cylinders 1 are connected to the rotary oil distribution valve 5; the return spring 2 ensures that each plunger cylinder 1 is reset in time, and the plunger cylinder is in close contact with the eccentric rod to realize Continuous output of pressure oil. It is characterized in that it also includes a two-position two-way solenoid valve 3, an oil supply check valve 6, an oil suction check valve 7, an oil discharge check valve 8, a hydraulic pump two-position four-way s...

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Abstract

The invention discloses a radial plunger digital variable hydraulic transformer. The rotary oil distribution valve is provided with an oil inlet, an oil return port and multiple oil outlets. The multiple oil outlets are connected to multiple plunger cylinders. The oil tank is connected; the external module is connected through the oil supply check valve, the motor two-position four-way solenoid valve and the rotary oil distribution valve; the oil tank is connected through the oil suction check valve and the hydraulic pump two-position four-way solenoid valve, and the hydraulic pump two-position four-way solenoid valve The valve is connected to the external module through the oil discharge check valve, the two-position four-way solenoid valve of the hydraulic pump is connected to multiple plunger cylinders, and the multiple plunger cylinders are connected to the oil tank through the two-position two-way solenoid valve; the digital controller is connected to the To the hydraulic pump two-position four-way solenoid valve and the motor two-position four-way solenoid valve and two-position two-way solenoid valve. The invention can simultaneously adjust the output flow and output pressure of the transformer to realize power regulation, and can design hydraulic transformers with different voltage regulation accuracy and voltage regulation range according to actual working conditions.

Description

technical field [0001] The invention relates to a hydraulic transformer, in particular to a radial plunger digital variable hydraulic transformer. Background technique [0002] Compared with the mechanical system, the hydraulic system has better space layout flexibility and controllability, so it can replace the mechanical system; compared with the electric system, the hydraulic system has high power density characteristics and occupies a dominant position in high-power occasions. However, due to the low efficiency of the hydraulic system, its position in the traditional market is constantly being attacked by the power system. [0003] In recent years, in order to improve the flexibility and efficiency of the hydraulic system, the secondary regulation technology of the constant pressure network has emerged as the times require. However, in the actual application process, due to the lack of mature pressure regulating components such as gear transmissions in mechanical system...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B21/08F15B11/044F15B11/16F15B13/06
CPCF15B21/087F15B11/044F15B11/16F15B13/06F15B13/021
Inventor 王林翔张浩志李洪雨谢琦
Owner ZHEJIANG UNIV
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