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Bridge type manual hydraulic pump, hydraulic system and control method

A control method and hydraulic pump technology, applied in the direction of fluid pressure actuators, servo motor components, mechanical equipment, etc., can solve the problems of undisclosed multiple pump pressure environment integration equipment, etc., to reduce high costs and improve use efficiency Effect

Pending Publication Date: 2022-03-18
湖北超星液压自动化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] That is to say, for the current manual hydraulic pump application technology, there is still a combination of pump body and valve body that can only be used according to actual needs, and an integrated device that can adapt to various pump pressure environments has not been disclosed;

Method used

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  • Bridge type manual hydraulic pump, hydraulic system and control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] like figure 1 As shown, the first embodiment provides a bridge type manual hydraulic pump, the hydraulic pump includes: a hydraulic cylinder block 13, the upper and lower parts of the hydraulic cylinder block 13 are correspondingly provided with The first oil port 15 and the second oil port 16, and the hydraulic cylinder block 13 generates positive pressure or negative pressure through the internal movement of the piston assembly 14 relative to the hydraulic cylinder block 13; One end of an oil passage 6 communicates with the first oil port 15, and the other end of the first oil passage 6 communicates with an oil suction port 11. The first oil passage 6 is provided with a fourth valve body 4; One end of the second oil passage 7 communicates with the second oil port 16, the other end of the second oil passage 7 communicates with the oil suction port 11, and the second oil passage 7 is provided with a third Valve body 3; a third oil passage 8, the two ends of the third o...

Embodiment 2

[0044] The second embodiment provides a control method of a bridge-type manual hydraulic pump. The control method is applied to the above-mentioned bridge-type manual hydraulic pump. The control method includes: opening the first valve body, the second valve body, the third valve body, the first Four valve bodies and the fifth valve body; pull or push the piston assembly to make the piston assembly reciprocate in the hydraulic cylinder; wherein, when the piston assembly is at the origin of pulling: pull the piston assembly for the first time, so that the first oil circuit Negative pressure is generated, and the hydraulic oil at the oil suction port is absorbed into the first oil circuit through the first oil circuit, and flows into the hydraulic cylinder after passing through the fourth valve body; the first push of the piston assembly makes the first oil circuit generate positive pressure, The hydraulic oil in the hydraulic cylinder is delivered from the first oil circuit to t...

Embodiment 3

[0048] The third embodiment proposes a control method for a bridge-type manual hydraulic pump. The control method is applied to the above-mentioned bridge-type manual hydraulic pump. The control method includes: opening the first valve body, the second valve body, the third valve body and the first valve body. Four valve bodies, close the fifth valve body; pull or push the piston assembly to make the piston assembly reciprocate in the hydraulic cylinder; wherein, when the piston assembly is at the origin of pulling: pull the piston assembly for the first time, so that the first oil The hydraulic oil in the oil suction port is absorbed into the first oil circuit through the first oil circuit, and then flows into the hydraulic cylinder after passing through the fourth valve body; the piston assembly is pushed for the first time to make the first oil circuit generate positive pressure , so that the hydraulic oil in the hydraulic cylinder is delivered from the first oil circuit to ...

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Abstract

The invention provides a bridge type manual hydraulic pump which comprises a hydraulic cylinder body, a first oil port and a second oil port which communicate with the interior of the hydraulic cylinder body are correspondingly formed in the upper portion and the lower portion of the hydraulic cylinder body, and the hydraulic cylinder body generates positive pressure or negative pressure through movement of a piston assembly relative to the interior of the hydraulic cylinder body; one end of the first oil way communicates with the first oil port, the other end of the first oil way communicates with an oil suction port, and a fourth valve body is arranged on the first oil way; one end of the second oil way communicates with the second oil port, the other end of the second oil way communicates with the oil suction port, and a third valve body is arranged on the second oil way; the two ends of the third oil way correspondingly communicate with the middle of the first oil way and the middle of the second oil way, and a fifth valve body is arranged on the third oil way. One end of the fourth oil way is communicated with the intersection of the third oil way and the first oil way, the other end of the fourth oil way is communicated with the oil way outlet, and a first valve body is arranged on the fourth oil way; one end of the fifth oil way is communicated with the intersection of the third oil way and the second oil way, the other end of the fifth oil way is also communicated with the oil way outlet, and a second valve body is arranged on the fifth oil way.

Description

technical field [0001] The invention belongs to the technical field of manual hydraulic pumps, and in particular relates to a bridge-type manual hydraulic pump, a hydraulic system and a control method. Background technique [0002] At this stage, for the manual hydraulic pump technology, especially the plunger pump, the existing manual hydraulic pumps on the market are generally plunger pumps, which have two forms: single-stage and double-stage. All its valves are usually concentrated on the plunger pump, and the structure is relatively compact; the reversing valve and the plunger pump are divided into two independent parts, but they can be used in combination. However, in actual combination applications, there is no standard component that can adapt to different hydraulic environments. [0003] That is to say, for the current manual hydraulic pump application technology, there is still a combination of pump body and valve body that can only be used according to actual need...

Claims

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Application Information

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IPC IPC(8): F15B13/02
CPCF15B13/021
Inventor 王富戴慧博戴炎昌
Owner 湖北超星液压自动化有限公司