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Gearbox of small tractor

A technology for tractors and gearboxes, which is applied to mechanical equipment, mechanical control devices, and controlled components. It can solve the problems of high modification costs, complex structure of transmission devices, and poor versatility of parts, so as to reduce design and manufacturing costs and facilitate Use and maintenance, easy to use effect

Inactive Publication Date: 2013-09-11
GUANGXI YIZHOU YUCHAI AGRI EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the shortcomings of the above-mentioned prior art, that is, when the existing small tractor is refitted into a front and rear drive with synchronous gear shifting, and can realize separate output of the front and rear drives, the structure of the transmission device is complex, the parts are not universal, and the cost of refitting is high. problem, the present invention proposes a solution

Method used

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  • Gearbox of small tractor
  • Gearbox of small tractor
  • Gearbox of small tractor

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Embodiment Construction

[0024] Such as figure 1 , 2 As shown, the small-sized tractor gearbox includes the main gearbox 5, and the main gearbox includes I~Ⅷ shafts, the I shaft is provided with a high-speed driving gear 11 and a low-speed driving gear 12, and the II shaft is provided with a reverse intermediate gear 21 , Shaft III is equipped with reverse gear 31, driving gear I gear 32, bridge gear 33, driving gear III gear 34 and driving gear II gear 35, front drive clutch gear 41 is set on axis IV, and front drive intermediate gear is set on shaft V 51. Differential gear sets (61, 62, 63) are arranged on the VI shaft, reduction gears 71 (72) are respectively arranged on the two VII shafts, and driving gears 81 are respectively arranged on the two VIII shafts.

[0025] An auxiliary gearbox 6 is also connected to the main gearbox 5, and the auxiliary gearbox is provided with shafts Ⅸ~XⅢ, and the shaft Ⅸ is provided with I-reverse gear 91, central transmission gear 92 and II-III gear passive gear. ...

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Abstract

The invention relates to the field of manufacturing and modification of agricultural machinery, in particular to a gearbox of a small tractor. A supplementary gearbox is additionally arranged on an existing gearbox, and a main variable shaft (IX shaft) is arranged in the supplementary gearbox. After a poking fork controls variable speed, on one hand, motive power is transmitted back to transmission gears of an original front drive through a carrier gear and a front drive clutch gear, and on the other hand, the motive power is transmitted to gears and shafts of a rear drive through a rear drive clutch gear. Due to the control by the poking fork, separation and reunion between the front drive clutch gear and the rear drive clutch gear are achieved, the front drive and the rear drive of the small tractor can carry out outputting in a completely synchronous mode, and at the same time, the front drive and the rear drive can be freely controlled to carry out the outputting independently according to needs. The gearbox of the small tractor can be flexibly matched with agricultural implements with different purposes, and is convenient to use. Most parts are universal with those of the existing gearbox, design and manufacturing expenses are reduced to the maximum extent, and the gearbox is convenient to use and maintain. The gearbox is suitable for transforming industry-agriculture-12 type small tractors.

Description

technical field [0001] The invention relates to the field of agricultural machinery manufacturing and refitting, in particular to a small tractor gearbox. Background technique [0002] Gongnong-12 small tractors are widely used in rural areas of our country with mature technology and a wide range of applications. In order to adapt to different usage patterns in rural areas, many improved products have appeared. For example, after the gear box is transformed, the output tool shaft is added to provide power for various agricultural machines. It can also be used on tractors with steering wheel type bending and steering. However, usually such gear transmissions do not achieve synchronization of the front and rear drive outputs in all gears. In order to achieve full synchronization of front-wheel drive and rear-drive output in all gears, it is often necessary to redesign the gearbox, which is very different from the original gearbox structure. The parts and gearbox accessories...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/38F16H3/22F16H63/32F16H57/023
Inventor 陈开振刘波
Owner GUANGXI YIZHOU YUCHAI AGRI EQUIP
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