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Double-planetary-gear-set multi-stage multi-clutch type hydro-mechanical continuously variable transmission

A technology of continuously variable transmission and hydraulic machinery, which is applied in the direction of mechanical equipment, vehicle gearboxes, multi-ratio transmissions, etc., can solve the problems of increasing the complexity of the mechanical structure of the transmission, the inability to achieve continuous speed change, and the increase in cost. Increased gear stepless speed regulation performance requirements, increased speed range, and improved power performance

Inactive Publication Date: 2018-09-14
洛阳高新开发区众诚电子商行
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the stepped transmission in the prior art can meet certain requirements by shifting gears, it can only transmit power according to a fixed transmission ratio, and cannot realize continuous speed change. If the gears are increased, the complexity of the mechanical structure of the transmission will be increased. Moreover, the cost increases and the operation is difficult, which seriously restricts the improvement of its performance.

Method used

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  • Double-planetary-gear-set multi-stage multi-clutch type hydro-mechanical continuously variable transmission
  • Double-planetary-gear-set multi-stage multi-clutch type hydro-mechanical continuously variable transmission
  • Double-planetary-gear-set multi-stage multi-clutch type hydro-mechanical continuously variable transmission

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Embodiment 1, a purely mechanical transmission form M1 gear of a double-planet row multi-stage multi-clutch hydraulic-mechanical continuously variable transmission: as figure 2 As shown, the power transmitted from the engine passes through the first synchronizer 3, the first synchronizer 3 is engaged with the first gear 2, and one path of power is transmitted to the power output device through the input shaft 15; the other path of power passes through the first gear 2, the second gear The second gear 1 and the third gear 33. At this time, the third synchronizer 32 is engaged with the third gear 33, the clutch assembly is completely separated, the front ring gear 30 is in an unconstrained state, and the power is transmitted to the output through the third synchronizer 32. The shaft 22 is finally output to the vehicle traveling device.

[0027] There are also M2, M3, and M4 gears similar to the M1 gear in the purely mechanical transmission form, and will not be described...

Embodiment 2

[0028] Embodiment 2, a double planetary row multi-stage multi-clutch hydraulic-mechanical continuously variable transmission in the form of hydraulic-mechanical hybrid transmission in which the front planetary row confluences and outputs the HM1 gear: as image 3 As shown, the power transmitted from the engine passes through the first synchronizer 3, the first synchronizer 3 is engaged with the first gear 2, and the power along the way is transmitted to the hydraulic transmission assembly and the power output device through the input shaft 15 and the seventh gear 8, The power flowing through the hydraulic transmission assembly is finally transmitted to the front sun gear 36 of the front planetary confluence device; the other power is transmitted to the front planet carrier 35 through the first gear 2 and the second gear 1 . The two-way power flows are converging at the front planetary confluence device, and are output from the front ring gear 30 to the fifth gear 5 and the sixt...

Embodiment 3

[0030] Embodiment 3, a double-planet row multi-stage multi-clutch hydraulic-mechanical continuously variable transmission in which the front planetary row confluence passes through the rear planetary row output hydraulic-mechanical hybrid transmission HM5 gear: as Figure 4 As shown, the power transmitted from the engine passes through the first synchronizer 3, the first synchronizer 3 is engaged with the first gear 2, and the power along the way is transmitted to the hydraulic transmission assembly and the power output device through the input shaft 15 and the seventh gear 8, The power flowing through the hydraulic transmission assembly is finally transmitted to the front sun gear 36 of the front planetary confluence device; the other power is transmitted to the front planet carrier 35 through the first gear 2 and the second gear 1 . The two-way power flow is confluent at the front planetary row confluence device, and is output from the front ring gear 30 to the clutch assembl...

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Abstract

The invention relates to the field of engineering vehicle transmission equipment, in particular to a double-planetary-gear-set multi-stage multi-clutch type hydro-mechanical continuously variable transmission. The hydro-mechanical continuously variable transmission comprises a hydraulic transmission assembly, a mechanical transmission assembly, an input shaft and an output shaft, wherein the inputshaft and the output shaft are arranged in parallel. The hydro-mechanical continuously variable transmission has the advantages that on the premise that more modes are met, the structure is simpler and more compact, electromagnetic proportional hydraulic control can be adopted, so that multi-working-condition and multi-mode switching control can be more flexible, and therefore the stability of speed switching of a vehicle at different stages can be guaranteed, the impact strength can be reduced, and the dynamic property of the vehicle can be improved.

Description

technical field [0001] The invention relates to the field of engineering vehicle transmission equipment, in particular to a double planetary row multi-stage multi-clutch hydraulic mechanical continuously variable transmission. Background technique [0002] The operating conditions of high-power heavy-duty vehicles are complex, and the external load fluctuates frequently. The transmission is required to change the speed and torque in a timely manner to adapt to the continuous changes of the actual load, so as to ensure the power and fuel economy of the vehicle. Although the stepped transmission in the prior art can meet certain requirements through gear shifting, it can only transmit power according to a fixed transmission ratio, and cannot realize continuous speed change. If the gears are increased, the complexity of the mechanical structure of the transmission will be increased. Moreover, the cost increases and the operation is difficult, which seriously restricts the impro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/76F16H57/023F16H61/30
CPCF16H3/76F16H57/023F16H61/30F16H2200/0078F16H2200/0086
Inventor 曹付义李豪迪邓瑞涛张风丽王浩然马可李金龙崔梦凯
Owner 洛阳高新开发区众诚电子商行
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