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A kind of power shift transmission oil composition

A technology for power shifting and transmission oil, which is applied in the fields of construction machinery power shifting transmission transmission lubricating compositions and power shifting transmission oil compositions, can solve the problem of improving the friction coefficient and reducing the service life of friction plates. , friction plate slippage and other problems, to achieve the effect of excellent anti-oxidation performance, prolong the service life of friction plate, and high viscosity index

Active Publication Date: 2020-04-17
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the characteristics of heavy-duty off-highway equipment and heavy-duty mechanical power shift gearboxes, the current domestic hydraulic transmission oil products lack the evaluation of the durability of friction plates, and there is no additive for improving the friction coefficient in the oil formula. When the friction performance is required on construction machinery equipment, the friction plate will slip prematurely, which will significantly reduce the service life of the friction plate

Method used

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  • A kind of power shift transmission oil composition
  • A kind of power shift transmission oil composition
  • A kind of power shift transmission oil composition

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Experimental program
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Embodiment

[0028] The composition of the power shift transmission oil composition is shown in Table 2. The preparation process is as follows: the ingredients are added to the blending container according to the proportion and stirred at 60°C for 2 to 3 hours.

[0029] Table 2: Composition of the composition

[0030]

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Abstract

The invention relates to a power shift transmission oil composition. The power shift transmission oil composition comprises, by weight, 0.1 to 0.2% of alkyl diphenylamine, 0.2 to 0 .3% of a liquid phenolic antioxidant, 9.0 to 10.0% of a multi-functional composite additive, 0.5 to 1.0% of a pour point depressant, 0.1 to 0.2% of a friction modifier and 0 to 0.04% of an anti-foaming agent, with the balance being base oil with kinematic viscosity of 10.0 to 11.5 mm<2> / s. The power shift transmission oil composition provided by the invention has a very high viscosity index, excellent anti-oxidationperformance and high friction plate service life; compared with common power shift transmission oil, the power shift transmission oil composition allows the service life of a friction plate to be prolonged by more than one time; and the power shift transmission oil composition is reasonable in combination of raw materials, uses easily available raw materials, and has a wide application scope.

Description

Technical field [0001] The invention belongs to the chemical industry, and relates to a power shift gearbox oil composition, in particular to a composition used for the transmission lubrication of the power shift gearbox of engineering machinery. Background technique [0002] The power shift gearbox of construction machinery can meet the requirements of frequent start and stop, acceleration and deceleration of the equipment, and can automatically increase the torque at low speeds to improve the vehicle's starting performance, running speed and comfort. At the same time, the power shift gearbox can freely transform the torque during the vehicle's starting phase and high-speed driving phase, which can make full use of the engine output power. [0003] Due to the characteristics of heavy-duty off-highway equipment and heavy-duty mechanical power shift gearboxes, the current domestic hydraulic transmission oil products lack evaluation of the durability of friction linings, and there ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10N30/02C10N30/06C10N30/10C10N40/04
CPCC10M169/048C10M2209/084C10M2215/064C10N2030/02C10N2030/06C10N2030/10C10N2030/72C10N2040/042C10N2040/044
Inventor 李万英汤涛陈惠卿韦安柱曹玉发贾睿付丽雪桂砚楠刘卜瑜程安国李永超贾德强孙涛徐夏歌
Owner CHINA PETROLEUM & CHEM CORP
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