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A transmission mechanism for a tractor

A speed change mechanism and tractor technology, applied in the direction of vehicle gearboxes, mechanical equipment, gear transmissions, etc., can solve problems such as complex synchronizer structure, complex shift structure, and limited number of gears, so as to increase shift stability, Easy-to-manufacture, easy-to-produce effects

Active Publication Date: 2018-02-27
NINGBO BEIYE TRACTOR MFG
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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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  • A transmission mechanism for a tractor
  • A transmission mechanism for a tractor
  • A transmission mechanism for a 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 to the caliper shaft 4 in 6 rotations. specific:

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

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Abstract

The invention discloses a speed change mechanism for a tractor. The speed change mechanism is characterized by comprising a shell, an input shaft, an output shaft, a clamp shaft, a gear shifting lever, a clamp assembly and a planet carrier assembly; the input shaft and the output shaft are respectively rotatably connected to the shell, and the input shaft drives the output shaft to rotate; the planet carrier assembly is arranged on the outer side of the input shaft and used for controlling the rotation speed of the input shaft; the clamp shaft is fixed to the shell; the clamp assembly is rotatably connected to the clamp shaft. The speed change mechanism which is simple in structure and stable in gear shifting is provided in order to solve problems of existing gear shifting mechanisms.

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 Patents(China)
IPC IPC(8): F16H3/78F16H63/30F16H57/08
CPCF16H3/78F16H57/082F16H63/30F16H2063/3076F16H2200/203
Inventor 郭雪峰贾继永庞朝祥沈成龙
Owner NINGBO BEIYE TRACTOR MFG
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