A high-viscosity grease supply pumping system and method

A viscous lubricating grease and lubricating grease technology, applied in lubricating pumps, lubricating parts, engine lubrication, etc., can solve the problems of easy pumping, large flow resistance, and easy blockage of pipelines, so as to improve the heating effect and fluidity , reliable pumping effect

Active Publication Date: 2020-11-20
ANHUI POLYTECHNIC UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] High-viscosity grease (grease with consistency grade NLGI 3 and above) has problems such as large flow resistance and easy blockage of the pipeline during the delivery process; The liquid volume is smaller than the theoretical volume), even unable to absorb liquid

Method used

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  • A high-viscosity grease supply pumping system and method
  • A high-viscosity grease supply pumping system and method

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Embodiment Construction

[0025] Through the description of the embodiments below, the specific implementation of the present invention includes the shape, structure, mutual position and connection relationship between the various parts, the function and working principle of each part, the manufacturing process and the operation and use method of the various components involved. etc., to make further detailed descriptions to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

[0026] The inventors carried out systematic research on the rheological properties of grease, and found that grease has relatively sensitive viscosity-temperature characteristics. As the temperature rises, the viscosity of the grease decreases and the fluidity becomes better. Even NLGI 3 greases with higher consistency grades exhibit better flow properties at higher temperatures. At the same time, the viscosity-tempera...

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Abstract

The invention discloses a high-viscosity lubricating grease supplying and pumping system and method, and relates to the technical field of lubricating grease pumping systems. The high-viscosity lubricating grease supplying and pumping system comprises a grease storing cavity, grease supplying pipelines, a grease supplying pump, a pressurizing part, a heating part, a detecting part and a controller; the grease storing cavity is provided with one or more movable side walls, the input end of the grease supplying pump is connected to the grease storing cavity through the corresponding grease supplying pipeline, and an outlet of the grease supplying pump is externally connected to a distributor through the corresponding grease supplying pipeline; and the output end of the pressurizing part pushes the one or more movable side walls of the grease storing cavity in an abutting mode, and all or one section of the grease supplying pipeline between the grease storing cavity and the grease supplying pump is wrapped with the heating part. Lubricating grease can be heated and pressurized before entering the grease supplying pump, the viscosity of the high-viscosity lubricating grease is improvedthrough heating, the liquidity of the high-viscosity lubricating grease is improved, the effect of grease supplying pump evacuation caused by the insufficient inlet pressure in the pumping process ofthe lubricating grease is avoided through pressurizing, and finally the high-viscosity lubricating grease is pumped stably and reliably.

Description

technical field [0001] The invention relates to the technical field of grease pumping systems, in particular to a pumping system and method for high-viscosity grease supply. Background technique [0002] High-viscosity grease (grease with consistency grade NLGI 3 and above) has problems such as large flow resistance and easy blockage of the pipeline during the delivery process; The liquid volume is smaller than the theoretical volume), and even cannot absorb liquid. Therefore, it has always been a technical difficulty to realize the reliable pumping of high-viscosity grease and to carry out concentrated grease of high-viscosity grease. The centralized lubrication system developed by well-known lubrication equipment companies (such as SKF in Sweden, BEKA in Germany, LINCOLN in the United States, etc.) can only realize the centralized delivery of grease with a consistency grade of NLGI 2 and below. How to achieve reliable pumping of higher consistency grades of lubrication h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16N11/08F16N13/22F16N29/02F16N39/04
CPCF16N11/08F16N13/22F16N29/02F16N39/04
Inventor 潘家保沈子钰唐冶邵璠张化萍尚正阳潘道远张荣芸王建平肖平钱明
Owner ANHUI POLYTECHNIC UNIV
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