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Single gearbox front and rear four-wheel drive tractors

A four-wheel drive and gearbox technology, applied in the field of tractors, can solve the problems of unavailable front-wheel drive mode and small application range, and achieve the effects of small investment, simple manufacture and high versatility

Inactive Publication Date: 2016-01-13
NANNING WUTUO MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: there is no power separation box between the rear drive shaft and the transfer case, the front-wheel drive mode cannot be obtained, and the application range is small

Method used

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  • Single gearbox front and rear four-wheel drive tractors
  • Single gearbox front and rear four-wheel drive tractors
  • Single gearbox front and rear four-wheel drive tractors

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] As shown in the figure, the present invention includes a vehicle body 7, a front wheel 3 installed at the front portion of the vehicle body 7, a rear wheel 12 installed at the rear portion of the vehicle body 7, an engine 1, a V-belt 2, Clutch 4, gearbox 5, transfer case 6, front transmission shaft 8, separation box 9, rear transmission shaft 10, rear drive axle package 11, described gearbox 5 includes I shaft 28, II shaft 16 that transmit power in sequence , III axis 29, IV axis 30, V axis 31, VI axis 32, VII axis 33 and transmission gears on each axis thereof, described gearbox 5 is also provided with VIII axis 18, and VIII axis 18 is provided with switching gear 17 meshes with the synchronous output gear 13 or constant speed output gear 15 installed on the II shaft 16, the synchronous output gear 13 is connected with the II shaft 16 through the bearing 14, and the switching gear 17 is located in the middle of the VIII shaft 18 One end of the VIII shaft 18 is also pro...

Embodiment 2

[0028] The difference from Embodiment 1 is that the power is transmitted from the I shaft 28 to the VII shaft 33 and the front wheel 3 through the shift fork engaging the synchronous output gear 13 and cutting off the engagement of the constant speed output gear 15, and at the same time the power is transmitted from the III shaft 29 through the synchronous output Gear 13 is transmitted to switching gear 17, VIII shaft 18, rear output gear 19, driven gear 20, rear drive output shaft 21, transmission bevel gear 23, driven bevel gear 22, front transmission shaft 8, separation gear 27, upper shaft 26, driven gear 25, lower shaft 24, rear transmission shaft 10, rear drive axle bag 11, rear wheel 12, realize front-wheel, rear wheel gear synchronous drive.

[0029] In the present embodiment, the separation gear 27 of the separation box 9 is meshed with the driven gear 25, and the separation box 9 has no gear position change, and the gear change can be completed only by changing the ge...

Embodiment 3

[0031] Any difference from Embodiment 1-2 is that the meshing of the synchronous output gear 13 is cut off by the shift fork and the connection of the meshing constant speed output gear 15 and the switching gear 17, and the power is transmitted to the VIII shaft 18, the rear output gear 19, from Driven gear 20, rear drive output shaft 21, transmission bevel gear 23, driven bevel gear 22, front drive shaft 8, separation gear 27, upper shaft 26, driven gear 25, lower shaft 24, rear drive shaft 10, rear drive axle Bag 11, trailing wheel 12, realize trailing wheel drives separately.

[0032] In this embodiment, the separation gear 27 of the separation box 9 is meshed with the driven gear 25, and the separation box 9 has no gear change, and the gear change can be completed only by changing the gear of the gearbox 5.

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PUM

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Abstract

The invention discloses a front and back four wheel driving tractor of a single speed changing box. The front and back four wheel driving tractor of the single speed changing box only needs to operate one speed changing box for performing gear shifting front wheel independent driving and front wheel and rear wheel same-gear driving, a synchronous output gear is added on a shaft II of a traditional speed changing box, a shaft VIII is increased simultaneously, a switching gear and a rear output gear are arranged on the shaft VIII, and the two driving modes of front wheel independent driving and front wheel and rear wheel same-gear driving can be achieved. The front and back wheel driving tractor of the single speed changing box solves the problem that the tractor is poor in gradeability, the tires can slip under loading and parts can be damaged due to different gears and is particularly suitable for using in severe environments of mountains, slopes, forestry, pasture, roadlessness areas and the like.

Description

technical field [0001] The invention relates to a tractor, in particular to a front and rear four-wheel drive tractor with a single gearbox. Background technique [0002] The most commonly used small-scale agricultural tractors in rural areas of our country are four-wheel transport vehicles developed from the improvement of walking tractors. This kind of tractors often only have front-wheel drive, and it is very easy to drive on muddy, undulating, potholes, and steep roads. Slippage occurs due to insufficient front wheel traction. In response to these problems, some modified agricultural tractors have appeared at present. The main improvement is to output the walking power from the implement output axis of the traditional gearbox to the rear wheels of the carriage, with independent front wheel drive, simultaneous front and rear wheel drive, and independent rear wheel drive. There are three driving modes, and the driver can choose the driving mode according to the specific r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K17/344
Inventor 陈日能
Owner NANNING WUTUO MACHINERY
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