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Timing gear chamber assembly of an engine

A technology of timing gears and engines, which is applied in the direction of engine components, machines/engines, mechanical equipment, etc., can solve problems such as inability to provide lubricating oil continuously and effectively, dry friction, and sliding bearing burnout

Active Publication Date: 2017-06-16
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the above lubricating structure, due to the use of splash lubrication, the oil mist of the lubricating oil falls into the gap between the sliding bearing and the gear shaft accidentally, which cannot provide sufficient lubricating oil continuously and effectively, and when the speed of the gear is high, the lubricating oil film Difficult to build up, localized dry friction can result in burnout of plain bearings

Method used

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  • Timing gear chamber assembly of an engine
  • Timing gear chamber assembly of an engine
  • Timing gear chamber assembly of an engine

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Embodiment Construction

[0029] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] combine Figure 2-8 As shown, the present invention provides a timing gear chamber assembly of an engine, including a timing gear chamber housing 10, and a first idler gear group 20, a second idler gear group 20, and a second idler gear group meshing sequentially are installed in the timing gear chamber housing 10. Wheel set 30, the third idler set 40, the first idler set 20 includes the first shaft 21, and the first sliding bearing 22 that is sleeved on the first shaft 21 and fits in clearance with it, the second idler set 30 includes the second The shaft 31, and the second sliding bearing 32 fitted on the second shaft 31 and loosely fitted with it, the third idler group 40 includes the third shaft 41, and the third sliding bearing 42 fit...

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Abstract

The invention discloses a timing gear room assembly of an engine. The timing gear room assembly comprises a timing gear room shell, a first idle gear set, a second idle gear set and a third idle gear set are installed inside the timing gear room shell in a sequential engagement mode, and the timing gear room shell is provided with a lubricating oil channel and oil inlet holes communicated with an engine lubricating system. The first idle gear set is provided with a first lubricating branch circuit, the second idle gear set is provided with a second lubricating branch circuit, and the third idle gear set is provided with a third lubricating branch circuit. By the adoption of the technical scheme, lubricating oil accurately enters the connection faces of all the idle gear sets along a communication structure inside the timing gear room assembly and is constantly supplied through the lubricating system, and in this way, establishing of a lubricating oil film is promoted; compared with the lubricating scheme of spraying the lubricating oil in the prior art, the lubricating effect is better, and the service life of two connection parts is prolonged.

Description

technical field [0001] The invention relates to the technical field of lubrication, in particular to a timing gear chamber assembly of an engine. Background technique [0002] For the idler gear in the timing gear room of the engine, its main function is to change the direction of transmission. Therefore, the gear and the shaft cannot be linked, but are connected by a sliding bearing set on the shaft, which causes a gap between the sliding bearing and the shaft. If the sliding bearing is not lubricated effectively, the bearing will be sintered due to the dry friction of the joint surface. [0003] In the prior art, the commonly used lubrication method for sliding bearings is splash lubrication, that is, lubricating oil at a certain pressure is sprayed through nozzles to form oil mist, and the oil mist splashes into the gap between the sliding bearing and the shaft for lubrication. Such as figure 1 As shown, the idler gear 1' is an interference fit with the sliding bearing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02F7/00F01L1/34F01M9/10
CPCF01L1/34F01M9/10F02F7/0043
Inventor 钱多德李龙超赵文仲孙邦江周涛张雪林
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD