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Variable speed mechanism for tractor

A transmission mechanism, tractor technology, applied in the direction of mechanical equipment, gear transmission, components with teeth, etc., can solve the problems of complex synchronizer structure, complex shift structure, limited number of gears, etc., to increase shift stability The effect of high reliability, easy manufacturing, and easy production

Inactive Publication Date: 2018-05-08
余姚市奥祥轴承有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of transmission has some disadvantages: (1) affected by the arrangement of the shift forks, the number of gears is limited; (2) the shifting structure is complicated and the cost is high; (3) the shifting is unstable, and it is easy to skip gears out of gear
The widely used synchronizers include lock ring type inertial synchronizer and lock pin type inertial synchronizer, but there are some disadvantages in the synchronizer: (1) The structure of the synchronizer is complex and the cost is high; easily damaged

Method used

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  • Variable speed mechanism for tractor
  • Variable speed mechanism for tractor
  • Variable speed mechanism for tractor

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Embodiment Construction

[0025] The following description serves to disclose the present invention to enable those skilled in the art to carry out the present invention. The preferred embodiments described below are only examples, and those skilled in the art can devise other obvious variations.

[0026] Such as Figure 1-11 As shown, an embodiment of the present invention includes a housing 1, an input shaft 2, an output shaft 3, a caliper shaft 4, a shift lever 5, a caliper assembly 6 and a planet carrier assembly 7, and the input shaft 2 and the output shaft 3 are respectively Rotationally connected to the housing 1, and the input shaft 2 drives the output shaft 3 to rotate. The planet carrier assembly 7 is arranged outside the input shaft 2 to control the speed of the input shaft 2. The caliper shaft 4 is fixed on the housing. The caliper assembly It is connected with the caliper shaft 4 in 6 rotations. specific:

[0027] The planetary carrier assembly 7 includes a planetary carrier 71, a fourt...

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Abstract

The invention provides a variable speed mechanism for a tractor. The variable speed mechanism for the tractor is characterized in that the variable speed mechanism comprises a shell body, an input shaft, an output shaft, a caliper shaft, a shift lever, a caliper assembly and a planet carrier assembly; the input shaft and the output shaft are correspondingly connected with the shell in a rotatablemode, and the input shaft drives the output shaft to rotate; the planet carrier assembly is arranged on the outside of the input shaft to control the rotation speed of the input shaft. The caliper shaft is fixedly arranged on the shell body. The caliper assembly is connected with the caliper shaft in a rotatable mode. The existing problem in the current shift variable speed mechanism is solved, and a variable speed mechanism with simple structure and stable shifting is provided.

Description

technical field [0001] The invention relates to the field of mechanical transmission, in particular to a speed change mechanism used in tractor transmission. Background technique [0002] At present, the transmission mechanism widely used in tractors is a mechanical transmission. Generally speaking, this type of transmission can be divided into a two-shaft manual transmission and an intermediate shaft manual transmission. Push the driving gear and the driven gear to mesh to realize gear shifting. However, this type of transmission has some disadvantages: (1) affected by the arrangement of the shift forks, the number of gears is limited; (2) the shifting structure is complicated and the cost is high; (3) the shifting is unstable, and it is easy to skip gears out of gear. [0003] At the same time, in the shifting structure, in order to reduce the impact of shifting smoothly, the shifting structure is generally equipped with a synchronizer. The widely used synchronizers inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/44F16H61/26
CPCF16H3/44F16H61/26
Inventor 周栋
Owner 余姚市奥祥轴承有限公司
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