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Multi-gear tractor transmission case

A gearbox and tractor technology, which is applied in the direction of vehicle gearboxes, mechanical equipment, multi-ratio transmissions, etc., can solve the problems of gears that are difficult to share, increase production costs, operation and maintenance difficulties, etc., to reduce the number of transmission gears, The effect of simplifying the internal structure and facilitating operation and maintenance

Inactive Publication Date: 2014-07-23
JIANGSU JUNYUN MACHINERY TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0002] In the current tractor gearbox structure, it is generally composed of a main transmission mechanism, an auxiliary transmission mechanism and a shifting mechanism. It is located between the main transmission mechanism and the shifting mechanism. This arrangement makes it difficult to share the distribution of each gear. Therefore, in order to increase the number of gears in the gearbox and meet more requirements for use, the only way to use it is Increase the number of gear pairs, and the excessive number of gears leads to the length of the gearbox housing is too long, which affects the transmission efficiency, and also makes the transmission mechanism too complicated, which brings difficulties to operation and maintenance and increases the production cost

Method used

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[0012] The present invention will now be further described with reference to the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

[0013] like figure 1 The shown multi-speed tractor gearbox mainly includes a shuttle shift mechanism, a main speed change mechanism and an auxiliary speed change mechanism, and the output of the rotating speed is controlled by a control mechanism arranged on the gearbox. On the box body of the gearbox, there are input shaft 1 and output shaft 2 parallel to each other, the output shaft 2 is located below the input shaft 1, and coaxial with the input shaft 1 is provided with a first shaft 3 and an auxiliary transmission intermediate shaft 4, An intermediate shaft 5 and a second shaft 6 are arranged coaxially with the output shaft 2, a reverse ...

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Abstract

The invention discloses a multi-gear tractor transmission case which comprises an input shaft and an output shaft, wherein the input shaft and the output shaft are arranged parallel to each other. A main speed change mechanism with four gears of output, an auxiliary speed change mechanism for adjusting the output rotation speed of the main speed change mechanism in four gears, and a shuttle type gear shifting mechanism with the advancing function and retreating function are arranged on the power transmission route from the input shaft to the output shaft. The shuttle type gear shifting mechanism is arranged at one end of the input shaft and located in front of the main speed change mechanism. The auxiliary speed change mechanism is arranged at one end of the output shaft and located behind the main speed change mechanism. Through steering adjustment of the shuttle gear shifting mechanism, the four-gear speed change adjustment of the main speed change mechanism and four-gear speed change further adjustment of the auxiliary speed change mechanism, the tractor transmission case can conduct sixteen advancing gears of rotating speed output and sixteen retreating gears of speed output; by sharing gears between the shuttle type gear shifting mechanism and the main speed change mechanism and between the main speed change mechanism and the auxiliary speed change mechanism, the number of transmission gears is decreased, the structure is simplified, and transmission efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of agricultural machinery, in particular to a multi-speed tractor gearbox capable of realizing sixteen forward gears and sixteen reverse gears. Background technique [0002] In the current tractor gearbox structure, it is generally composed of a main transmission mechanism, an auxiliary transmission mechanism and a shifting mechanism. It is located between the main transmission mechanism and the shifting mechanism. This arrangement is difficult to achieve common use in the distribution of each gear. Therefore, in order to increase the number of transmission gears and meet more use requirements, the only way to use is The number of gear pairs is increased, and the excessive number of gears leads to the length of the gearbox casing being too long, which affects the transmission efficiency. At the same time, it also makes the transmission mechanism too complicated, which brings difficulties to operation and mai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/32
CPCF16H3/32F16H2200/0078F16H2200/0082
Inventor 赵新华叶婷婷汪兴阁周琛
Owner JIANGSU JUNYUN MACHINERY TECH CO LTD
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