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Plunger pump transmission mechanism, high-pressure constant flow pump system and medium flow control method

A high-pressure constant-current pump, transmission mechanism technology, applied in pump control, piston pump, machine/engine, etc., can solve problems such as excessive pressure and flow fluctuation, sudden drop in output pressure, inability to meet constant liquid delivery, etc. Smoothness, smooth flow and pressure without pulsation

Inactive Publication Date: 2016-07-27
BEIJING XINGDA TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This control method will easily lead to a sudden drop in output pressure, short-term no medium output, and excessive fluctuations in pressure and flow, which cannot meet the needs of constant liquid delivery.

Method used

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  • Plunger pump transmission mechanism, high-pressure constant flow pump system and medium flow control method
  • Plunger pump transmission mechanism, high-pressure constant flow pump system and medium flow control method
  • Plunger pump transmission mechanism, high-pressure constant flow pump system and medium flow control method

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Embodiment Construction

[0017] The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for ease of description, only parts related to the invention are shown in the drawings.

[0018] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0019] figure 1 It is a structural schematic diagram of a plunger pump transmission mechanism in an embodiment of the present invention.

[0020] Such as figure 1 As shown, in this embodiment, the plunger pump transmission mechanism provided by the present invention includes a motor 1, a ball sc...

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Abstract

The invention provides a plunger pump transmission mechanism, a high-pressure constant flow pump system and a medium flow control method. The medium flow control method comprises the steps that media are discharged out of a first set of cylinder barrels and sucked into a second set of cylinder barrels at the same time according to the set pressure; after plungers inside the second set of cylinder barrels reach the set second positions, the pressure of the media inside the second set of cylinder barrels is gradually pressurized to the set pressure, and the preparation for outwards discharging the media is made; when the media inside the first set of cylinder barrels are fully discharged, the second set of cylinder barrels discharge the media, and the first set of cylinder barrels suck the media at the same time; after plungers inside the first set of cylinder barrels reach the set first positions, the pressure of the media inside the first set of cylinder barrels is gradually pressurized to the set pressure; and when the media inside the second set of cylinder barrels are fully discharged, the start step is repeated. According to the plunger pump transmission mechanism, the high-pressure constant flow pump system and the medium flow control method, the flow and the pressure of the media discharged out of a high-pressure constant flow pump can be smooth and pulseless, and ultrahigh-pressure operation can be achieved.

Description

technical field [0001] This application relates to the technical field of high pressure pumps, in particular to a plunger pump transmission mechanism, a high pressure constant flow pump system and a medium flow control method Background technique [0002] The existing double-piston pump adopts the traditional connection method, that is, the plunger is fixedly connected with the ball screw, so as to determine the direction of movement of the plunger. The eccentric wear of the plug and the sealing ring causes the pump body to leak and cannot withstand the ultra-high pressure. At the same time, when the control system controls the switching of the two cylinders, one cylinder discharges liquid, and the other cylinder absorbs liquid. When the medium in the liquid discharge cylinder is exhausted, the other cylinder is just full of medium, and the original liquid discharge cylinder is turned into a suction cylinder at this time. liquid state, the other cylinder drains. This contr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B9/02F04B17/03F04B49/00F04B49/22
CPCF04B9/02F04B17/03F04B49/00F04B49/22F04B2205/00
Inventor 殷参胡紫阳尚兴龙杨辉杨谦马世伟杨广华杨丹
Owner BEIJING XINGDA TECH DEV
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