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Plunger pair seal gap automatic compensation verification test device

A technology of automatic compensation and sealing gap, applied in the field of hydraulic components, can solve the problem that the compensation effect cannot be measured separately, and achieve the effect of low processing and testing cost, less control components, and safe weight

Active Publication Date: 2017-01-18
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the compensation effect of the plunger pair automatic gap compensation device cannot be measured separately when the plunger pump is working, and to provide a test device for the plunger pair gap automatic compensation device in the plunger pump

Method used

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  • Plunger pair seal gap automatic compensation verification test device
  • Plunger pair seal gap automatic compensation verification test device
  • Plunger pair seal gap automatic compensation verification test device

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0030] Such as Figure 1-5 As shown, the automatic compensation verification test device for the plunger pair seal gap, the device includes the device housing bracket 1 and two bearing seats 2, the central shaft 3, the eccentric wheel 40, the bearing bush 39, the connecting rod 7, the plunger pin 9, the column Plug roller 8, plunger cylinder 13, cylinder end cover 12, sealing ring 38, eddy current sensor 15, micro flow meter 14.

[0031]The central axis 3 is fixed on the housing support 1 through two bearing supports 2, and the two bearing supports 2 are respectively fixed on the horizontal beam of the device housing 1, and the central axis 3 is located in the middle part between the two bearing supports 2 The flat key 41 is fixedly connected with the eccentric wheel 40, the outer surface of the eccentric wheel 40 is tightly wrapped by two ha...

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Abstract

The invention relates to an automatic clearance compensation verification test device for a secondary seal of a plunger. The device comprises a device shell bracket, two bearing bases, a central shaft, an eccentric wheel, a bearing bush, a connecting rod, a plunger pin, a plunger pin roller, a plunger cylinder body, a cylinder body end cover, a sealing ring, an electric eddy sensor and a micro flow meter, wherein the eccentric wheel in an eccentric mechanism is connected with a stepped shaft through a flat key. The eccentric distance of the eccentric wheel is the stroke of a plunger pump, and different eccentric wheels can be replaced according to different stroke demands of different plungers under detection without replacing the entire eccentric shaft, thereby reducing the detection cost. Friction between the connecting rod and the eccentric wheel is reduced through the bearing bush, thereby greatly reducing the size and weight of the device. The device has the advantages of simple structure, small number of control elements, convenience in replacing the plunger and a cylinder sleeve, low processing and detection costs, light weight and safety.

Description

technical field [0001] The invention relates to a mechanical device for measuring the gap automatic compensation effect of a water hydraulic plunger pump, which belongs to the technical field of hydraulic components. Background technique [0002] Hydraulic transmission technology is a new technology that directly replaces mineral oil with natural fresh water or sea water as the working medium of the hydraulic transmission system. This technology has outstanding advantages such as cleanness, environmental protection, safety, cheapness, energy saving and pollution-free, and can be widely used in nuclear energy. , marine, firefighting, hydro jetting, etc. Water hydraulic pump is an indispensable energy component in water hydraulic equipment. Its main function is to convert the mechanical energy of the prime mover into hydraulic energy of water, and provide liquid with a certain pressure and flow to the hydraulic system. With the advancement of science and technology and environ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B51/00
Inventor 聂松林米杰杰尹方龙王震刘帆
Owner BEIJING UNIV OF TECH
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