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transmission

A technology of transmission and speed, applied in gear transmission, components with teeth, belts/chains/gears, etc., can solve the problems of slow response, unsmooth reverse gear, etc., and achieve the effect of convenient and quick reverse gear

Inactive Publication Date: 2017-01-11
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the reverse gear needs to be driven by three gears, the driving gear, the passive gear and the idler gear, that is, two-stage transmission is required, so the current transmission will have the problem of unsmooth reverse gear and slow response.

Method used

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Examples

Experimental program
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Embodiment Construction

[0027] figure 1 It is a front view three-dimensional structural schematic diagram of the transmission of the present invention.

[0028] figure 2 It is a rear view three-dimensional structure schematic diagram of the transmission of the present invention.

[0029] The transmission 100 includes a power part, a mechanical transmission part, a confluence part, a reverse gear part, and a rear power output part.

[0030] The power part is used to provide power, including hydraulic combination pump 2 , hydraulic input shaft 4 and mechanical input shaft 34 . The mechanical transmission part is used to transmit mechanical power, including the sun gear pinion 25 , the ring gear 24 , the brake 22 , the first planetary gear 8 , the second planetary gear 23 , and the output shaft 19 of the planetary carrier. The converging part is used to merge the hydraulic power into the mechanical power to realize the forward speed change of the vehicle, and includes the first converging transmissi...

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PUM

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Abstract

The invention provides a transmission. The transmission is characterized by comprising a mechanical transmission portion, a flow concentration portion and a gear reversing portion connected with a hydraulic input shaft. The gear reversing portion is used for transmitting power to gear reversing of a vehicle, and comprises a synchronous clutch, a first backward gear on the hydraulic input shaft in a sleeving mode, a second backward gear and a synchronizer. The synchronous clutch is arranged on the hydraulic input shaft and used for being engaged with or disengaged from the mechanical transmission portion. The second backward gear is fixed to a power output shaft and meshed with the first backward gear. The synchronizer is arranged on the hydraulic input shaft, the rotating speed of the synchronizer is identical to that of the hydraulic input shaft, and the synchronizer can be engaged with a mechanical input shaft and the mechanical transmission portion. The hydraulic input shaft can rotate forwardly and reversely, when the hydraulic input shaft rotates reversely, the synchronizer separates the mechanical input shaft and the mechanical transmission portion, and when the synchronizer is engaged with the first backward gear, the transmission achieves the gear reversing function through pure hydraulic transmission. The transmission can achieve gear reversing conveniently and fast.

Description

technical field [0001] The invention relates to a transmission, which belongs to the technical field of mechanical transmission. Background technique [0002] In the actual driving process, different road conditions often require the driving force and speed of the car to change within a considerable range. In order to solve this problem, a transmission is provided in the transmission system. The main function of the transmission is to change the transmission ratio to meet the requirements of different vehicle speeds. The power output by the engine is transferred to the final reducer through the drive shaft after the transmission changes the torque and speed, and finally the power is transmitted to the drive wheels through the differential and the half shaft. Another important function of the transmission is to allow the car to run in reverse. The transmission can also use the neutral gear to interrupt the power transmission to ensure the normal start of the car. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/44F16H61/00
CPCF16H3/44F16H61/00F16H2003/445
Inventor 张振东谢乃流尹丛勃
Owner UNIV OF SHANGHAI FOR SCI & TECH
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