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Multi-speed tractor gearbox

A gearbox and tractor technology, which is applied to vehicle gearboxes, mechanical equipment, multi-ratio transmissions, etc., can solve the problems of gears that are difficult to share, increase production costs, and affect transmission efficiency, so as to reduce the number of transmission gears and facilitate Operation and maintenance, and the effect of improving transmission efficiency

Inactive Publication Date: 2016-06-29
JIANGSU JUNYUN MACHINERY TECH CO LTD
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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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Embodiment Construction

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

[0013] like figure 1 The shown multi-gear tractor gearbox mainly includes a shuttle shift mechanism, a main transmission mechanism and an auxiliary transmission mechanism, and the control mechanism arranged on the gearbox is manipulated to change the rotational speed output. 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 the first shaft 3 and the auxiliary transmission intermediate shaft 4 are arranged coaxially with the input shaft 1. An intermediate shaft 5 and a second shaft 6 are arranged coaxially with the output shaft ...

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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-gear tractor gearbox capable of realizing 16 forward gears and 16 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 shift 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 also increases the produ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/32
CPCF16H3/32F16H2200/0078F16H2200/0082
Inventor 王晓燕
Owner JIANGSU JUNYUN MACHINERY TECH CO LTD
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