A kind of engine intermediate double helical gear transmission device

A transmission and helical gear technology, applied in transmission parts, machines/engines, transmission boxes, etc., can solve the problems of affecting the normal meshing of gears, large swing, etc., and achieve good reliability, reduced axial force, and extended use. effect of life

Active Publication Date: 2017-05-31
HENAN DIESEL ENGINE IND
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  • Abstract
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Problems solved by technology

Most of the existing engine intermediate gear shafts are cantilevered on the box body. For example, the patent "An Intermediate Gear Transmission Mechanism" (CN201934634U) adopts this structure. Because the gear shaft of this structure adopts a single support, it swings greatly during work. It affects the normal meshing of the gears; on the other hand, the lubrication effect of the intermediate double gear assembly is directly related to the reliability of the entire gear train, and it is necessary to continuously improve the lubrication conditions of the gears

Method used

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  • A kind of engine intermediate double helical gear transmission device
  • A kind of engine intermediate double helical gear transmission device
  • A kind of engine intermediate double helical gear transmission device

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Embodiment Construction

[0012] The present invention is described in conjunction with accompanying drawing and specific embodiment:

[0013] Such as figure 1 Shown, a kind of engine middle double helical gear transmission, described middle double helical gear transmission includes double helical gear and intermediate gear shaft 8; The right end of described intermediate gear shaft 8 is positioned at the body of engine and Interference fit with the body; the left end surface of the body 11 is provided with a thrust ring 7, the thrust ring 7 is in an annular structure, and the thrust ring 7 is sleeved on the intermediate gear on the shaft and in clearance fit with the intermediate gear shaft 8, the end face of one side of the thrust ring is closely attached to the end face of the body 11 through the positioning pin 15; the left end of the intermediate gear shaft 8 is provided with a support shaft 1; the left end face of the intermediate gear shaft 8 is The middle part has a groove for connecting with ...

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Abstract

The invention relates to the technical field of diesel manufacture and provides an engine intermediate dual bevel gear transmission device comprising a dual bevel gear and an intermediate gear shaft (8); the right end of the intermediate gear shaft (8) is located in a body (11) of an engine and is in interference fit with the body (11); a thrust ring (7) is fixed to the left end surface of the body (11) and is disposed on the intermediate gear shaft (8) in a sleeving manner. The left end of the intermediate gear shaft (8) is provided with a support shaft (1) fixedly connected to the intermediate gear shaft (8); the left section cylindrical body of the support shaft (1) is located in a front end box body (21) of the engine and is in clearance fit with the front end box body (21); the dual bevel gear is disposed on the intermediate gear shaft (8) in a sleeving manner and is arranged between the thrust ring (7) and the front end box body (21). The engine intermediate dual bevel gear transmission device has the advantages of more reliable transmission and long service life.

Description

technical field [0001] The invention belongs to the technical field of diesel engine manufacturing, and in particular relates to a double helical gear transmission device in the middle of the engine. Background technique [0002] The middle double gear is an important power transmission part of the engine. It is an important bridge connecting the crankshaft and the camshaft. On some diesel engines with a high degree of strengthening, the middle double gear has to carry a large power and the operating condition is relatively bad. , Its installation method with the intermediate gear shaft and the quality of lubrication conditions determine the working life of the gear, and directly affect the reliability of the engine as a whole. On the other hand, due to the high power transmission of the intermediate gear, the existing enhanced engine usually adopts a helical gear structure, which will inevitably cause the gear to generate axial thrust. How to accurately ensure the axial cle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H57/023F16H57/027F16H57/04F16H57/02F02B75/32
CPCF02B75/32F16H57/0018F16H57/023F16H57/027F16H57/043F16H2057/0203
Inventor 王黎明季永会陈松孙红军于秀梅
Owner HENAN DIESEL ENGINE IND
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