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Test device and method for plunger pump reverse leakage of slurry pulse generator

A mud pulse and plunger pump technology, which is applied in pump testing, machine/engine, liquid variable capacity machinery, etc., can solve problems such as size out of tolerance, one-way valve scrapping, etc., to avoid disassembly and improve labor productivity Effect

Active Publication Date: 2018-03-13
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no independent reverse leakage test method and corresponding test device for the plunger pump of similar mud pulse generators at home and abroad. The pressure holding index can only be tested after the pulse generator is assembled. If it fails, the pulse generator needs to be disassembled. For the generator, the plunger pump needs to be reassembled after being ground and repaired. Repeated operations are required. Excessive grinding times will lead to out-of-tolerance dimensions, and the one-way valve will be scrapped.

Method used

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  • Test device and method for plunger pump reverse leakage of slurry pulse generator
  • Test device and method for plunger pump reverse leakage of slurry pulse generator
  • Test device and method for plunger pump reverse leakage of slurry pulse generator

Examples

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Embodiment 1

[0016] refer to figure 1 and figure 2 , the present embodiment provides a test device for reverse leakage of a mud pulse generator plunger pump, including a first test body 9, a second test body 15, a pressure detection device 7 and a hydraulic device; the second test body 15 and The pump body 13 of the plunger pump is connected, and the second test body 15 is provided with a second central oil hole; the first test body 9 is provided with a cavity, and the second test body 15 and the plunger pump are arranged in the cavity, and the first test The body 9 is also provided with a first central oil hole; the hydraulic device is used to deliver hydraulic oil to the inner cavity of the pump body, and the pressure detection device 7 is connected to the first test body 9 to detect the pressure at the corresponding position to determine whether the plunger pump reacts. to the leak.

[0017] Further, the hydraulic device includes a fuel tank 1, a first shut-off valve 2, a second shut...

Embodiment 2

[0019] refer to figure 1 , figure 2 and image 3 , the present embodiment provides a test method for the reverse leakage of the plunger pump of the mud pulse generator, including:

[0020] Step S101, the hydraulic oil is delivered to the cavity of the pump body through the hydraulic device to expel the air in the pipeline;

[0021] Step S102, the hydraulic oil is reversely delivered to the pump body through the reversing valve of the hydraulic device, and when the pressure at the corresponding position of the plunger pump rises to a preset value, the delivery of hydraulic oil is stopped, and the pressure at the corresponding position is detected to It is judged whether the plunger pump has reverse leakage.

[0022] Specifically, the oil plug screw 19 is screwed onto the pump body 13 of the plunger pump, the oil distribution plate 10 is equipped with an O-ring 17, the plunger pump is screwed onto the second test body 15 through the thread of the pump body 13, and then the ...

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Abstract

The invention provides a test device and method for plunger pump reverse leakage of a slurry pulse generator. The test device includes a first test body, a second test body, a pressure detection device, and a hydraulic device; the second test body is connected to a pump body of a plunger pump, and a second central oil hole is formed in the second test body; a cavity is formed in the first test body, the second test body and the plunger pump are arranged in the cavity, and a first central oil hole is formed in the first test body; the hydraulic device is used for conveying hydraulic oil to an inner cavity of the pump body; and the pressure detection device is connected to the first test body, and is used for detecting the pressure of a corresponding position so as to determine if reverse leakage of the plunger pumps happens or not.

Description

technical field [0001] The invention relates to a test device and method for reverse leakage of a plunger pump of a mud pulse generator. Background technique [0002] When the mud pulse generator is working, the plunger pump continuously injects hydraulic oil into the high-pressure area to provide upward force for the piston. Before the mud pulse generator is used, a pressure-holding test must be carried out. The most critical point affecting the pressure-holding situation is the reverse leakage of the check valve on the plunger pump. At present, there is no independent reverse leakage test method and corresponding test device for plunger pumps of similar mud pulse generators at home and abroad. The pressure holding index can only be tested after the pulse generator is assembled. If it fails, the pulse generator needs to be disassembled. For the generator, the plunger pump needs to be reassembled after grinding and repairing. Repeated operations are required. Too many grind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B51/00
CPCF04B51/00
Inventor 何永明肖占鹏赵鹏飞安金刚徐瑞魏晓东张东旭白璟孙海芳岳步江焦刚
Owner BC P INC CHINA NAT PETROLEUM CORP