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Four-ball friction wear test device lubricated by magnetic fluid

A friction and wear test, magnetic fluid technology, applied in measuring devices, testing wear resistance, instruments, etc., can solve problems such as insufficient accuracy and inconvenient experimental requirements, and achieve the effect of improving experimental accuracy

Inactive Publication Date: 2022-04-12
ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the accuracy of the existing magnetic fluid wear and friction test device is not high enough, and it is not convenient to meet the experimental requirements under various working conditions of magnetic field strength.

Method used

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  • Four-ball friction wear test device lubricated by magnetic fluid
  • Four-ball friction wear test device lubricated by magnetic fluid
  • Four-ball friction wear test device lubricated by magnetic fluid

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0029] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present invention shall have the usual meanings understood by those skilled in the art to which the present disclosure belongs. "First", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechan...

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Abstract

The invention provides a magnetofluid lubricated four-ball friction wear test device which comprises a fixing mechanism, a static ball box is arranged on the fixing mechanism, an extending opening is formed in the upper end of the static ball box, the static ball box is used for placing three tangent static balls and magnetofluid, a testing machine is arranged on one side of the fixing mechanism, and a lifting part is arranged on the testing machine. The lifting piece is connected with a rotating piece through a connecting frame, the rotating piece is connected with a movable ball, the lifting piece is used for controlling the movable ball to make contact with the three tangent static balls, and then the rotating piece is used for controlling the movable ball to make rotary friction contact with the three tangent static balls; an up-down adjusting assembly is arranged below the static ball box, provided with a permanent magnet ring and used for controlling the permanent magnet ring to move up and down. According to the invention, the experiment precision is improved, and the experiment requirements under the working conditions of various magnetic field intensities can be met.

Description

technical field [0001] One or more embodiments of this specification relate to the technical field of magnetic fluid wear and friction testing, and in particular to a four-ball friction and wear testing device for magnetic fluid lubrication. Background technique [0002] The ferromagnetic fluid with a diameter of nanometers is evenly dispersed in the base carrier liquid, and a small amount of surfactant is added at the same time. The van der Waals force between the surfactants can inhibit the agglomeration of the particles and form a solid-liquid with superparamagnetism. Two-phase colloidal solution is a new type of smart material with both solid magnetism and liquid fluidity. Commonly used magnetic particles mainly include Fe3O4, Fe3N, Fe, Co, Ni and other particles and their alloys. The most widely used magnetic particles are Fe3O4 particles. Commonly used base carrier fluids include silicone oil, mineral oil, synthetic oil, water and ethylene glycol, etc. According to t...

Claims

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Application Information

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IPC IPC(8): G01N3/56G01N3/02
Inventor 汪奥潘家保王银凤王子刘洪淼翟笃峰汪清周海霖陈清清王子辉李瑞汤天成李贻良周焰生
Owner ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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