Double middle shaft transmission structure with hollow shaft synchronism and shifting method thereof

A technology of double intermediate shafts and intermediate shafts, which is applied to vehicle gearboxes, components with teeth, gear transmissions, etc., can solve the problems of high manufacturing cost, small layout space, and large layout space, so as to reduce production costs, The effect of small layout space and low production cost

Active Publication Date: 2014-05-28
DONGFENG COMML VEHICLE CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the problems of large layout space and high manufacturing cost in the prior art, and provide a hollow shaft synchronous double countershaft transmission structure with small layout space and low manufacturing cost and its shifting method

Method used

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  • Double middle shaft transmission structure with hollow shaft synchronism and shifting method thereof

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Embodiment 1

[0072] see figure 1 , a hollow-shaft synchronous double countershaft transmission structure, including a solid input shaft 1 and a hollow input shaft 2, the solid input shaft 1 is driven and matched with the output shaft 5 through an odd-numbered gear counter shaft 3, and the hollow input shaft 2 is passed through Even-number gear intermediate shaft 4 is in transmission cooperation with output shaft 5; the hollow input shaft 2 is sequentially sleeved with a hollow shaft fixed synchronous gear 21 and a hollow shaft fixed gear 22 from its head end to its end, and the hollow shaft is fixedly connected The gear 22 meshes with the idler gear 33 of the odd-numbered gear countershaft and the fixed gear 41 of the even-numbered gear countershaft respectively. The intermediate shaft 3 is sequentially set with an odd-numbered intermediate shaft idler synchronous gear 31, a synchronous friction wheel 32, an odd-numbered intermediate shaft idler gear 33, an odd-numbered intermediate shaft ...

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Abstract

The invention relates to a double middle shaft transmission structure with hollow shaft synchronism and a shifting method thereof. The structure comprises a solid input shaft and a hollow input shaft, wherein the solid input shaft is in transmission matching with an output shaft through an odd-shift middle shaft, the hollow input shaft is in transmission matching with an output shaft through an even-shift middle shaft, the hollow input shaft is sequentially sheathed with a fixing connecting synchronous gear of the hollow shaft and a fixing connecting gear of the hollow shaft from front end to tail end, the fixing connecting gear of the hollow shaft is respectively engaged with a hollow sheath synchronous gear of the odd-shift middle shaft and a fixing connecting gear of the even-shift middle shaft, the fixing connecting synchronous gear of the hollow shaft is engaged with the hollow sheath synchronous gear of the odd-shift middle shaft, the odd-shift middle shift is respectively in transmission matching with the hollow sheath synchronous gear of the odd-shift middle shaft and the hollow sheath gear of the odd-shift middle shaft through synchronous friction wheels, the fixing connecting gear of the odd-shift middle shaft is engaged with the fixing connecting gear of the solid input shaft, and the fixing connecting gear of the solid input shaft is sheathed on the solid input shaft. The structure has the advantages that the structure is simple, the arrangement space is little, the overhauling is convenient, and the production cost is low.

Description

technical field [0001] The invention relates to a gearbox synchronous structure, in particular to a hollow-shaft synchronous double countershaft transmission structure and a shifting method thereof, which are particularly suitable for simplifying the gearbox structure, optimizing the shifting mode, and reducing production costs. Background technique [0002] The dual-clutch transmission enables the vehicle to automatically shift gears without power interruption, which not only makes the driving of the car easier, but also effectively improves the comfort, power and safety of the car. [0003] The Chinese patent application publication number is CN103032528A, and the application publication date is April 10, 2013. The invention patent discloses a double intermediate shaft DCT structure and its gear ratio calculation method, including double clutches, solid input shafts and hollow input shafts. One end of the coaxially arranged solid input shaft and the hollow input shaft are ...

Claims

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Application Information

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IPC IPC(8): F16H3/12F16H3/093F16H59/02
CPCF16H3/08F16H3/097F16H3/12F16H63/20F16H2003/0931F16H2200/0056F16H2200/0082
Inventor 张成海殷政魏为民刘旭
Owner DONGFENG COMML VEHICLE CO LTD
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