Compound hydraulic oil as well as preparation method and application thereof
A technology of hydraulic oil and mixture, applied in the field of hydraulic system, can solve the problems of deteriorating friction pair surface, limited service life and high repair rate, and achieve the effect of reducing wear, reducing wear effect and good wear resistance stability.
Inactive Publication Date: 2015-07-22
TSINGHUA UNIV
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Problems solved by technology
Although the self-lubricating silver film of the coating can promote lubrication and reduce adhesive wear, its service life is limited and the repair rate is high
Method used
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Embodiment 1
[0051] Adopt the method of the present invention to prepare composite hydraulic oil, and under different temperature and load conditions, detect the lubrication and antifriction effect of composite hydraulic oil to friction pair, specifically as follows:
[0052] 1. Preparation of composite hydraulic oil
[0053] Take 100 mg of molybdenum disulfide nanoparticles and dispersant Span-80 (span80) and dissolve them in 9.8 g of commercially available base hydraulic oil, stir them by magnetic force for 1 hour, and then ultrasonically disperse them in a water bath at 50°C for 0.5 hours. The composite hydraulic oil is obtained.
[0054] 2. Detection of composite hydraulic oil
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Abstract
The invention discloses compound hydraulic oil as well as a preparation method and an application thereof. The compound hydraulic oil comprises molybdenum disulfide nano-particles and basic hydraulic oil. The compound hydraulic oil can effectively reduce wearing of a friction pair, is particularly applicable to working conditions of high temperature and different loads, and has better wear reducing effect and wear resisting stability.
Description
technical field [0001] The invention relates to the technical field of hydraulic systems, in particular to composite hydraulic oil and its preparation method and application. Background technique [0002] The friction pair is a key component in industrial equipment such as hydraulic pumps. The current hydraulic pumps are developing in the direction of high speed, high pressure and long life. However, high pressure and high speed will inevitably bring about alternating loads, high-frequency impact and system temperature rise, making the lubrication and friction behavior of the friction pair interface more complex, resulting in premature wear and failure of hydraulic pumps during use. Therefore, the problem of premature wear of friction pairs has been a problem to be solved briefly in the production industry of industrial equipment such as hydraulic pumps for a long time. [0003] At present, the hydraulic pump friction pair is mainly composed of bearing steel and copper allo...
Claims
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IPC IPC(8): C10M141/02C10M125/22C10N40/08C10N30/06
Inventor 何永勇赵军雒建斌王永富王伟
Owner TSINGHUA UNIV