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Automatic lubrication device for planet wheel bearing

A planetary axle, automatic lubrication technology, used in transmission parts, gear lubrication/cooling, belts/chains/gears, etc., can solve the problems of unreliable lubrication and complex structure, and achieve the effect of improved lubrication reliability and simple structure

Active Publication Date: 2011-09-21
XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP
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Problems solved by technology

[0002] In the prior art, two methods are often used for the lubrication of the planetary wheel bearings: in low-speed transmission, the planetary wheel bearings are often lubricated from the outside by immersing in the oil pool or splashing the oil, which has the disadvantage of unreliable lubrication; In heavy-duty transmission, pressure oil lubrication is often used to ensure reliable lubrication, that is, the pressure oil is introduced to the planetary wheel bearings for lubrication by arranging holes on the planetary wheel carrier and the planetary wheel shaft. The obvious disadvantage is that the structure is more complicated

Method used

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  • Automatic lubrication device for planet wheel bearing
  • Automatic lubrication device for planet wheel bearing
  • Automatic lubrication device for planet wheel bearing

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Embodiment Construction

[0013] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] see figure 1 , the present invention includes a planetary gear carrier 2, a positioning stop ring 3, a planetary wheel 7, and a planetary wheel shaft 9, the planetary wheel shaft 9 is arranged on the planetary wheel carrier 2, and is positioned by the positioning stop ring 3, and the planetary wheel 7 is sleeved on the planetary wheel shaft 9 Above, a bearing 8 is set between the two, and an adjusting washer 4, a circlip 5 for a hole, and a backing ring 6 are set between the bearing 8 and the planetary wheel frame 2 to form a planetary gear train, and the planetary wheel shaft 9 protrudes from the planetary wheel frame 2 and open a gap; the planet shaft 9 is provided with an axial oil passage 11 and a radial oil passage 12, one end of the axial oil passage communicates with the bottom of the gap, and the other end communicates with the...

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Abstract

The invention relates to an automatic lubrication device for a planet wheel bearing. In the prior art, the lubrication of the planet wheel bearing adopts two modes that: in the process of low-speed transmission, the planet wheel bearing is lubricated from the outside by immersing the planet wheel bearing in an oil sump or splashing oil, but the lubrication mode has the defect of unreliable lubrication; and in the process of high-speed overload transmission, pore paths are formed on a planet wheel carrier and a planet wheel shaft to introduce pressure oil to the plant wheel bearing for lubrication, but the lubrication mode has the obvious defect of complex structure. In the automatic lubrication device for the planet wheel bearing, the conventional planet wheel shaft protrudes out of the planet wheel carrier and is provided with a notch; an axial oil duct and a radial oil duct are arranged in the planet wheel shaft; one end of the axial oil duct is communicated with the bottom of the notch, while the other end is communicated with the radial oil duct; and the outlet of the radial oil duct is arranged at a gap between two plates of bearings to form the automatic lubrication device of the bearing. Compared with oil immersion lubrication or splash lubrication, the automatic lubrication device improves the reliability of the lubrication; and compared with the forced lubrication through the pressure oil, the automatic lubrication device has the advantage of simple structure.

Description

technical field [0001] The invention relates to a reducer and a gyrator, in particular to an automatic lubricating device for planetary gear bearings. technical background [0002] In the prior art, two methods are often used for the lubrication of the planetary wheel bearings: in low-speed transmission, the planetary wheel bearings are often lubricated from the outside by immersing in the oil pool or splashing the oil, which has the disadvantage of unreliable lubrication; In heavy-duty transmission, pressure oil lubrication is often used to ensure reliable lubrication, that is, the pressure oil is introduced to the planetary wheel bearings for lubrication by arranging holes on the planetary wheel carrier and the planetary wheel shaft. The obvious disadvantage is that the structure is more complicated. Contents of the invention [0003] The technical problem to be solved by the invention is to provide an automatic lubricating device for bearings of planetary gear trains wh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H57/04F16H57/08
CPCF16H57/0479
Inventor 胡少韵龚城田宏亮张宏钧孙保山
Owner XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP
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