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Hydraulic system with instantaneous unloading

A hydraulic system and hydraulic oil technology, which is applied in the field of instantaneous unloading hydraulic system, can solve the problems of high instantaneous unloading pressure, slow unloading speed, and large loss along the oil return of the pipeline, so as to speed up the unloading speed , Increase the oil return volume and speed up the unloading progress

Active Publication Date: 2020-04-24
CHINA UNIV OF MINING & TECH (BEIJING)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the viscosity of the hydraulic oil, the returned hydraulic oil will stick to the original hydraulic oil in the oil circuit, which will cause a large loss along the way when the oil returns to the pipeline, and a certain back pressure will be generated, which will make the instantaneous unloading If the load pressure is too large, the unloading speed will slow down

Method used

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  • Hydraulic system with instantaneous unloading
  • Hydraulic system with instantaneous unloading

Examples

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Embodiment Construction

[0035] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0036] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification only for convenience, for example, according to the description in the accompanying drawings directions for the example described above. It will be appreciated that if the illustrated device is turned over so...

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Abstract

The invention provides an instantaneous unloading hydraulic system, and relates to the technical field of hydraulic loading. The instantaneous unloading hydraulic system comprises an oil inlet channel, a hydraulic servo valve, an oil return channel and a hydraulic control reversing valve, wherein the oil inlet channel is provided with an oil inlet and an oil outlet, the oil inlet communicates withan oil tank, and the oil outlet communicates with a hydraulic cylinder; the hydraulic servo valve is arranged in the oil inlet channel, is positioned between the oil inlet and the oil outlet and is used for opening or closing the oil inlet; one end of the the oil return channel communicates with the hydraulic cylinder, and the other end of the oil return channel communicates with the oil tank; and the hydraulic control reversing valve is arranged in the oil return channel and is used for controlling hydraulic oil to flow to the oil tank from the hydraulic cylinder. According to the instantaneous unloading hydraulic system, the oil return speed can be increased, and instantaneous unloading can be realized.

Description

technical field [0001] The present disclosure relates to the technical field of hydraulic loading, in particular, to a hydraulic system for instantaneous unloading. Background technique [0002] At present, the hydraulic loading system usually requires high pressure loading when in use, and needs to change the flow direction of the hydraulic oil when unloading, so that it can return to the original path. However, due to the viscosity of the hydraulic oil, the returned hydraulic oil will stick to the original hydraulic oil in the oil circuit, causing a large loss along the way when the oil returns to the pipeline, and a certain back pressure will be generated, which will make the instantaneous unloading If the load pressure is too high, the unloading speed will slow down. [0003] It should be noted that the information disclosed in the above background section is only for enhancing the understanding of the background of the present disclosure, and therefore may include info...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B11/08
CPCF15B11/08F15B2211/45
Inventor 何满潮李杰宇任富强刘冬桥王炀
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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