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A mechanical electric power split stepless transmission device

A technology of stepless speed change and transmission, which is applied in the direction of transmission, electromechanical devices, transmission parts, etc., can solve the problems of high cost of use, limited service life, complicated manufacturing process, etc., and achieve low cost of use, high conversion efficiency, The effect of long motor life

Active Publication Date: 2020-10-13
SHANDONG WEIFANG LUZHONG TRACTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1) The hydraulic continuously variable transmission is a hydraulic component, the manufacturing process is complicated, and the cost is high. At present, it is impossible to produce high-power hydraulic continuously variable transmission in China;
[0005] 2) The hydraulic continuously variable transmission needs hydraulic oil as the transmission medium when used, and has high requirements on the cleanliness of the hydraulic oil, which requires regular replacement and maintenance, and the use cost is high;
[0006] 3) The transmission efficiency of the hydraulic continuously variable transmission decays quickly and the service life is limited;
[0007] 4) There is useless power in the hydraulic mechanical continuously variable transmission system, and the excess power cannot be output in other forms, such as hydraulic energy or electric energy

Method used

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  • A mechanical electric power split stepless transmission device
  • A mechanical electric power split stepless transmission device
  • A mechanical electric power split stepless transmission device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Such as figure 2 As shown, a mechanical electric power split continuously variable transmission device includes a continuously variable transmission mechanism 13, an electric drive part and an engine 7, and the power of the engine 7 passes through the continuously variable transmission mechanism 13 and adopts a double planetary gear train for mechanical transmission. Transmission, the other way is to use the motor and power controller to carry out electric drive transmission through the electric drive part, and use the compound method of electric drive transmission and mechanical transmission to realize the vehicle's stepless speed change.

[0062] The electric drive part comprises a first motor 3 and a second motor 4, the first motor 3 and the second motor 4 are arranged side by side up and down, the first motor 3 and the second motor 4 are connected to the power controller 5 by cables, and the power control The controller 5 is located on the right side of the first m...

Embodiment 2

[0089] The same part as that of Embodiment 1 has been discussed in detail in Embodiment 1, and will not be repeated here. Compared with Embodiment 1, this embodiment is modified as follows:

[0090] Such as Figure 7 As shown, the right side of the input shaft 1 is rigidly connected to the gear z8, the gear z8 is meshed with the gear z9, the gear z9 is installed on the input shaft of the first motor 3, and the gear z8 and the gear z9 are arranged in the planetary section gear of the mechanical transmission part At the rear, the position of gear z8 and gear z9 changes, so that the first motor 3, the second motor 4 and the position change, the first motor 3 and the second motor 4 are arranged side by side, the first motor 3 and the second motor 4 It is connected to the power controller 5 through cables, and the power controller 5 is located on the upper side of the first motor 3 and the second motor 4 .

Embodiment 3

[0092] The same part as that of Embodiment 1 has been discussed in detail in Embodiment 1, and will not be repeated here. Compared with Embodiment 1, this embodiment is modified as follows:

[0093] Such as Figure 8 As shown, the input shaft 1 of the engine 7 is connected to a continuously variable transmission mechanism 13, the continuously variable transmission mechanism 13 includes a gear z8 and a gear z24, the gear z8 and the gear z24 are installed on the input shaft 1, and the gear z8 meshes with the gear z9 , gear z9 is installed on the input shaft of the first motor 3, gear z24 meshes with gear z25, gear z25 is connected with clutch F, clutch F is connected with gear z28 and gear z29, gear z28 meshes with gear z29.

[0094] The gear z25 is meshed with a gear z26, the gear z26 is meshed with a gear z27, and the gear z27 is connected with a clutch R.

[0095] The gear z29 and the clutch R are connected with the first sun gear z1, the first sun gear z1 is meshed with the...

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Abstract

The invention discloses a mechanical electric power shunt stepless speed change transmission device. The mechanical electric power shunt stepless speed change transmission device comprises a steplessspeed change transmission mechanism, an electric driving part and an engine, wherein the stepless speed change transmission mechanism is connected with the engine and the electric driving part; one path of power of the engine is mechanically transmitted by adopting a duplex planetary gear train through the stepless speed change transmission mechanism, and the other path of power of the engine is electrically driven by adopting a motor and an electric controller through the electric driving part; and stepless speed change of a vehicle is realized by adopting a composite mode of electric drivingtransmission and mechanical transmission. The mechanical electric power shunt stepless speed change transmission device has the advantages that the stepless speed change of the vehicle is realized byadopting the composite mode of electric driving transmission and mechanical transmission, the electric driving part can output redundant power outwards in an electric energy form, the conversion efficiency of electric energy and mechanical energy is high, the using condition of matched machines and tools is expanded, the conversion efficiency of the electric energy and the mechanical energy is high, the service life of the motor is long, attenuation is slow, and a hydraulic medium is not needed.

Description

technical field [0001] The invention relates to a continuously variable transmission device, in particular to a mechanical electric power split continuously variable transmission device, which realizes the vehicle's stepless speed change by using the compound mode of electric drive transmission and mechanical transmission. Background technique [0002] At present, most high-end tractors use hydraulic-mechanical stepless transmission technology, which has high transmission efficiency, and the transmission ratio can be adjusted steplessly. The power transmission is not interrupted during the adjustment process, and the engine can always be controlled to work at the highest efficiency condition. [0003] However, the hydraulic mechanical stepless transmission technology has the following disadvantages: [0004] 1) The hydraulic continuously variable transmission is a hydraulic component, the manufacturing process is complicated, and the cost is high. At present, it is impossibl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/76F16H3/72F16H3/70F16H57/08F16H61/32F16H61/66H02K7/116
CPCF16H3/70F16H3/725F16H3/76F16H57/082F16H61/32F16H61/66F16H2200/2007F16H2200/2041H02K7/116
Inventor 韩晓荣刘风平张军孟祥友李卫卫毕伟
Owner SHANDONG WEIFANG LUZHONG TRACTOR