Swash plate piston hydraulic transformer controlled by swing hydraulic motor

A technology of swinging hydraulic motors and hydraulic transformers, applied in the field of hydraulic transformers, can solve the problems of unfavorable system automation flow and precise pressure control, and achieve the effects of no throttling loss, integration, and simple flow distribution structure

Inactive Publication Date: 2013-04-03
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a swash plate plunger type hydraulic transformer controlled by a swing hydraulic motor in order to solve the problems existing in the existing manual control hydraulic transformer that are not conducive to the automation of the system and the precise control of flow and pressure.

Method used

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  • Swash plate piston hydraulic transformer controlled by swing hydraulic motor
  • Swash plate piston hydraulic transformer controlled by swing hydraulic motor

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Experimental program
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specific Embodiment approach 1

[0009] Specific implementation mode one: combine figure 1 and figure 2 The present embodiment will be described. In the hydraulic transformer of the present embodiment, the flow plate 11 is mounted on the main shaft 8 of the swing hydraulic motor.

specific Embodiment approach 2

[0010] Specific implementation mode two: combination figure 1 Describe this embodiment, the transformer of this embodiment also includes a photoelectric encoder 1 and a mounting bracket 3, the casing of the photoelectric encoder 1 is mounted on the casing of the hydraulic transformer through the mounting bracket 3, and the rotor of the photoelectric encoder 1 is connected through an elastic coupling The device 2 is connected with the main shaft transmission of the swash plate plunger pump body 4 of the hydraulic transformer, and this structure realizes the measurement of the rotational speed of the hydraulic transformer. Other implementation manners are the same as the specific implementation manner 1.

specific Embodiment approach 3

[0011] Specific implementation mode three: combination figure 1 Describe this embodiment, the end cover 7 of the swing hydraulic motor of this embodiment is connected with the swash plate plunger type pump body 4 of the hydraulic transformer, the rear end cover of the swash plate plunger type pump body is omitted, and the hydraulic transformer is reduced. The axial dimension realizes the integrated design of the structure. Other implementation manners are the same as the specific implementation manner 1.

[0012] How it works: combined figure 1 and figure 2 Note that when the hydraulic transformer is connected to the hydraulic system, the pressure of the constant pressure network is connected to the distribution port A of the swing hydraulic motor shaft 8, the load end is connected to the distribution port B of the swing hydraulic motor shaft 8, and the low pressure end is connected to the swing hydraulic motor shaft 8, because the shaft 8 of the swing hydraulic motor is c...

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Abstract

The invention relates to a swash plate piston hydraulic transformer controlled by a swing hydraulic motor, and relates to a hydraulic transformer controlled by a hydraulic motor. The problem that the automation and precise control of flow and pressure are unfavorably realized by a system in the traditional manually controlled hydraulic transformer is solved. A thrust plate (11) of the hydraulic transformer is arranged on a spindle (8) of the swing hydraulic motor. The invention is applied to the hydraulic transformer.

Description

technical field [0001] The invention relates to a hydraulic transformer controlled by a hydraulic motor. Background technique [0002] The hydraulic constant pressure network secondary regulation technology developed in recent years has improved the flexibility and efficiency of the hydraulic system. The secondary regulation technology has many advantages in principle, but when driving a linear load, the traditional method is to achieve throttling control. Since there is a large pressure difference in throttling control, this control method brings a large energy loss. How to transfer the energy of the constant voltage network with high efficiency and variable pressure like power transformers and mechanical gear transmissions is the technical background of hydraulic transformers. [0003] The traditional hydraulic transformer directly connects the hydraulic motor and the hydraulic pump coaxially. By adjusting the displacement of the hydraulic motor, the input pressure is cha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B3/00
Inventor 姜继海刘成强高丽新张翼鹏孙毅杨冠中
Owner HARBIN INST OF TECH
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