Double-type high-air-impermeability hydraulic pressure plunger pump piston

A hydraulic plunger pump and high airtight technology, applied in the field of plunger pump components and double-type high airtight hydraulic plunger pump pistons, can solve the problems of insufficient piston airtightness, high transmission power and high energy consumption , to achieve the effect of simple structure, lower power consumption and noise reduction

Inactive Publication Date: 2014-01-22
WUXI WEIFU PRECISION MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, the airtightness of the piston of the hydraulic plunger pump is not enough, which leads to the problems of high transmission power, high energy consumption and low efficiency, and it is necessary to improve it.

Method used

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  • Double-type high-air-impermeability hydraulic pressure plunger pump piston

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Embodiment Construction

[0013] Below the present invention will be further described in conjunction with the embodiment in the accompanying drawing:

[0014] Such as figure 1 As shown, the present invention mainly includes a piston rod 2, a piston barrel 3 and a piston cylinder 6, and a first piston ring 7 is fixed at one end of the piston barrel 3. The inner ring of the piston cylinder 3 fixes the piston rod 2 through the fixing ring 1, and the end of the piston rod 2 passes through the first piston ring 7 and is connected to the second piston ring 8 through the screw 9.

[0015] A first sealing slope of 45° is provided in the circumference of one side of the first piston ring 7, a second sealing slope of 45° is provided in the circumference of the second piston ring 8, and the first sealing slope is opposite to the second sealing slope. To set up. The first sealing slope and the second sealing slope can effectively play the role of sealing.

[0016] The diameter of the end portion of the piston ...

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PUM

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Abstract

The invention relates to a plunger pump component, in particular to a double-type high-air-impermeability hydraulic pressure plunger pump piston, and belongs to the technical field of plunger pumps. The double-type high-air-impermeability hydraulic pressure plunger pump piston comprises a piston rod, a piston barrel and a piston cylinder. A first piston ring is fixed at one end of the piston barrel. The piston rod is fixed on the inner ring of the piston barrel through a fixing ring, the end portion of the piston rod penetrates through the first piston ring and is connected with a second piston ring through a screw, and the first piston ring and the second piston ring are installed inside the piston cylinder in a sliding mode. The double-type high-air-impermeability hydraulic pressure plunger pump piston is simple, compact and reasonable in structure, the two piston rings are adopted, and a 45-degree inclining plane is arranged on the outer circumference of the piston rings so that the function of sealing can be achieved more effectively, power consumption can be reduced, noise can be lowered, working efficiency can be improved, using effect can be good and the popularization of the double-type high-air-impermeability hydraulic pressure plunger pump piston can be facilitated.

Description

technical field [0001] The invention relates to a plunger pump part, in particular to a double-type high airtight hydraulic plunger pump piston, which belongs to the technical field of plunger pumps. Background technique [0002] Hydraulic piston pump or solid pump, the hydraulic cylinder is driven by the hydraulic power pack, and the hydraulic cylinder pushes the conveying cylinder to output the material in the conveying cylinder to the pipeline. The pistons of hydraulic piston pumps are generally divided into single plunger and double plunger, which are especially suitable for long-distance pipeline transportation of high solid content and viscous materials. Up to 130Bar, the displacement can reach 0.5~500 cubic / hour. Widely used in sewage treatment, solid waste treatment, mining metallurgy, dredging, dredging, petrochemical, power plant, cement industry and other fields. However, in the prior art, the piston airtightness of the hydraulic plunger pump is not enough, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B53/14
Inventor 莫玉林
Owner WUXI WEIFU PRECISION MACHINERY MFG
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