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Plunger pump

A plunger pump and plunger chamber technology, applied in the field of reciprocating plunger pumps, can solve the problem of unsafe use of balance pipes, inability to complete the positioning holes of packing sleeves, one-time processing of oil retaining head body, cylinder block, inconvenience, etc. problems, to achieve the effect of safe use, easy installation and convenient maintenance

Inactive Publication Date: 2015-08-19
东营盛昶石油机械有限公司
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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 provide a plunger pump to solve the problem that the existing plunger pump cannot complete the one-time processing of the packing sleeve positioning hole, the oil retaining head body seat, and the cylinder body, and because the balance pipe is unsafe and difficult to use. Inconvenient question

Method used

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Embodiment Construction

[0023] The invention will be further described below in conjunction with the accompanying drawings.

[0024] In order to make the purpose and features of the invention more obvious and understandable, the specific implementation manners of the invention will be further described below in conjunction with the accompanying drawings. It should be noted that the drawings are all in a very simplified form and use imprecise ratios, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0025] A kind of plunger pump provided by the invention, such as Figure 1~Figure 3 As shown, it includes a box body 100 and a pump head 300 connected with the box body, and also includes a power transmission mechanism, a plunger guide mechanism, and a pump head mechanism; the box body includes a rear cover plate 101 located at the rear end of the box body 100, located at The upper cover plate 102 at the upper end of the casing and...

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Abstract

The invention relates to a pump, and particularly relates to a reciprocating booster plunger pump. The plunger pump comprises a power end and a hydraulic end, and is characterized in that the power end is composed of a box body and a power transmission mechanism; the box body comprises a rear cover plate located at the rear end of the box body, an upper cover plate located at the upper end of the box body, and a ventilation cap and a magnetic device which are located at the upper side and the lower side of the box body respectively; and the power transmission mechanism comprises a crankshaft, a bearing bush, a connecting rod, a cross head pin, a cross head and a middle rod. A pump head mechanism comprises a liquid inlet, a liquid outlet, an upper gland, a liquid inlet device, a liquid discharging device and a valve body. The plunger pump provided by the invention has the advantages of convenient and easy maintenance, safe use, and ability of reducing the labor intensity of water injection workers. The plunger pump also has the advantage that no balance pipe is exposed outside.

Description

technical field [0001] The invention relates to a pump, in particular to a reciprocating plunger pump. Background technique [0002] The plunger pump is an important device of the hydraulic system. It relies on the reciprocating movement of the plunger in the cylinder to change the volume of the sealed working chamber to realize liquid suction and discharge. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow adjustment. It is widely used in high pressure, large flow and flow adjustment occasions, such as oil field sewage reinjection, cleaning machines, construction machinery and ships. [0003] There is following shortcoming in existing plunger pump: [0004] The box body cannot be processed at one time, which is inconvenient and prone to safety problems in the process of production and maintenance; [0005] Traditional plunger pumps have external balance tubes in the pump body. Because the balance tubes are e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B9/02F04B53/00F04B53/14
Inventor 曲冬青章尚帅屈兴刚
Owner 东营盛昶石油机械有限公司