CN213270986U - Gear shifting mechanism adaptive to four-gear AMT - Google Patents

Gear shifting mechanism adaptive to four-gear AMT Download PDF

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Publication number
CN213270986U
CN213270986U CN202022260457.XU CN202022260457U CN213270986U CN 213270986 U CN213270986 U CN 213270986U CN 202022260457 U CN202022260457 U CN 202022260457U CN 213270986 U CN213270986 U CN 213270986U
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China
Prior art keywords
gear shifting
gear
worm
motor
shifting
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Expired - Fee Related
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CN202022260457.XU
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Chinese (zh)
Inventor
任伟龙
赵岭
张坤
杨增锟
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Liaocheng University
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Liaocheng University
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Priority to CN202022260457.XU priority Critical patent/CN213270986U/en
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Abstract

The utility model discloses a gear shifting mechanism adaptive to a four-gear AMT, which comprises a gear shifting motor, a gear shifting worm wheel, a gear shifting gear and a gear shifting rack; two sets of gear shifting motors, gear shifting worms, gear shifting worm wheels, gear shifting gears and gear shifting racks are arranged, and 1/2-gear shifting and 3/4-gear shifting are respectively carried out; the TCU module is respectively and electrically connected with and controls the two gear shifting motors. The utility model discloses simplified and selected gearshift, improved the reliability of shifting, the drive ratio of mechanism is less relatively, has improved the efficiency of shifting, has effectively reduced the power off-time when shifting.

Description

Gear shifting mechanism adaptive to four-gear AMT
Technical Field
The utility model relates to a gearshift exactly is a gearshift who adapts to four fender AMTs.
Background
The accuracy of the gear shifting mechanism as an important component of the AMT determines the gear shifting reliability of the AMT transmission. At present, the structural design of the gear shifting mechanism of the AMT transmission in the market has a plurality of modes, such as a motor type and a hydraulic type. The motor type gear shifting mechanism is also different in transmission structure and has transmission forms such as a ball screw, a worm gear, a sector gear and the like.
Two keep off the derailleur and only have a shift fork of shifting, need a gear motor can accomplish the task of shifting, nevertheless because the derailleur of third gear and above needs a plurality of shift forks of shifting, so the derailleur of third gear and above generally all is on original gear motor's basis, increase a selection and keep off the motor again, select to keep off, it can accomplish the gear just to shift to all need two motors to coordinate successively at every turn to shift gears, power consumptive and greatly increased system's complexity, if select to keep off the position accurate inadequately, cause the danger that the fender position advances simultaneously in the fender of keeping off easily.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an adaptation is in gear shift mechanism of four grades of AMT, this mechanism adopts the transmission combination mode of motor-worm gear to shift, has simplified gear shift mechanism's complexity, has improved the reliability of shifting, has reduced the power off-time when shifting, has improved the efficiency of shifting, and in one/two grades, when three/four grades of switches, only need a motor at work, can effectively save the electric energy to a certain extent.
In order to solve the above technical problem, the utility model discloses a following technical means:
a gear shifting mechanism adaptive to a four-gear AMT comprises a gear shifting motor, a gear shifting worm wheel, a gear shifting gear and a gear shifting rack, wherein the gear shifting motor is provided with a first gear shifting motor and a second gear shifting motor, the gear shifting worm is provided with a first gear shifting worm and a second gear shifting worm, the gear shifting worm is provided with a first gear shifting worm wheel and a second gear shifting worm, the gear shifting gear is provided with a first gear shifting gear and a second gear shifting gear, the gear shifting rack is provided with a first gear shifting rack and a second gear shifting rack, a driving shaft of the first gear shifting motor is connected with one end of the first gear shifting worm, the first gear shifting motor drives the first gear shifting worm, the first gear shifting worm is meshed with the first gear shifting worm, the first gear shifting worm drives the first gear shifting worm and the second gear shifting fork, completing the first/second gear shifting action; the driving shaft of the second gear shifting motor is connected with one end of the second gear shifting worm, the second gear shifting motor drives the second gear shifting worm, the second gear shifting worm is meshed with the second gear shifting worm wheel, the second gear shifting worm drives the second gear shifting worm wheel, the second gear shifting worm wheel is coaxially connected with the second gear shifting gear, the second gear shifting gear is meshed with the second gear shifting rack, and the second gear shifting rack drives the third/fourth gear shifting fork to complete the third/fourth gear shifting action.
The gear selecting motor is changed into a gear shifting motor, a one-to-one connection mode of a gear shifting motor and a gear shifting fork is adopted, the first gear shifting motor or the second gear shifting motor is directly controlled to work, the purpose of gear shifting is achieved, and the working mode of the gear selecting motor is specifically divided into the following steps:
the gear-up process comprises the following steps:
1. gear I → gear II, the gear shifting motor 1 works and is lifted to gear II;
2. II gear → III gear, the gear shifting motor 1 is moved back to the neutral gear, and the gear shifting motor 2 is in gear III;
3. and III gear → IV gear, the gear shifting motor 2 works and is lifted to IV gear.
(II) a downshift process:
1. II gear → I gear, the gear shifting motor 1 works and is reduced to I gear;
2. gear III → gear II, the gear shifting motor 2 is moved back to the neutral gear, and the gear shifting motor 1 is in gear II;
3. and (6) a fourth gear → a third gear, wherein the gear shifting motor 2 works and is reduced to the third gear.
Compared with the prior art, the outstanding characteristics are that:
the gear shifting mechanism saves a complex gear selecting process, reduces the complexity of the gear selecting and shifting mechanism, improves the gear shifting reliability, reduces the power interruption time during gear shifting, and improves the gear shifting efficiency.
The further preferred technical scheme is as follows:
the first gear shifting motor and the second gear shifting motor are the same motor.
The same first gear shifting motor and the second gear shifting motor are more convenient to control and maintain.
The first gear shifting worm and the second gear shifting worm are the same worm, the first gear shifting worm wheel and the second gear shifting worm wheel are the same worm wheel, the first gear shifting gear and the second gear shifting gear are the same gear, and the first gear shifting rack and the second gear shifting rack are the same racks.
The same worm, worm wheel, gear and rack transmission system is convenient to control and maintain.
The first gear shifting motor and the second gear shifting motor are respectively connected with the TCU module, and the first gear shifting motor and the second gear shifting motor determine forward rotation or reverse rotation according to instructions sent by the TCU module.
Through setting up the TCU module, conveniently utilize the TCU module to control first gear shifting motor, second gear shifting motor and just reverse the completion work of shifting.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic view of the working process of the present invention.
Description of reference numerals: 1. the gear shifting device comprises a first gear shifting motor, 2, a first gear shifting worm, 3, a first gear shifting worm wheel, 4, a first gear shifting gear, 5, a first gear shifting rack, 6, a second gear shifting motor, 7, a second gear shifting worm, 8, a second gear shifting worm wheel, 9, a second gear shifting gear, 10 and a second gear shifting rack.
Detailed Description
The present invention will be further described with reference to the following examples.
As can be seen from fig. 1 and 2, the gear shifting mechanism adapted to the four-gear AMT of the present invention is composed of a gear shifting motor, a gear shifting worm wheel, a gear shifting gear and a gear shifting rack; the gear shifting motor is provided with a first gear shifting motor 1 and a second gear shifting motor 6, the gear shifting worm is provided with a first gear shifting worm 2 and a second gear shifting worm 7, the gear shifting worm is provided with a first gear shifting worm wheel 3 and a second gear shifting worm wheel 8, the gear shifting gears are provided with a first gear shifting gear 4 and a second gear shifting gear 9, the gear shifting racks are provided with a first gear shifting rack 5 and a second gear shifting rack 10, the shaft of the first gear shifting motor 1 is mechanically connected with the shaft of the first gear shifting worm 2, the first gear shifting worm wheel 3 is meshed with the first gear shifting worm 2, the first gear shifting gear 4 is meshed with the first gear shifting rack 5, and the first gear shifting gear 4 is coaxially connected with the first gear shifting worm wheel 3, the first gear shifting motor 1 rotates to drive the first gear shifting worm 2 mechanically connected with the first gear shifting motor to rotate, the first gear shifting worm wheel 3 moves along with the first gear shifting worm wheel to drive the first gear shifting gear 4 coaxially connected with the first gear shifting worm wheel to move, and the first gear shifting gear 4 rotates to drive the first gear shifting rack 5 meshed with the first gear shifting gear to move. The second gear shifting motor 6 is mechanically connected with the second gear shifting worm 7, the second gear shifting worm wheel 8 is meshed with the second gear shifting worm 7, the second gear shifting gear 9 is meshed with the second gear shifting rack 10, the second gear shifting gear 9 is coaxially connected with the second gear shifting worm wheel 8, the second gear shifting motor 6 rotates to drive the second gear shifting worm 7 mechanically connected with the second gear shifting worm to rotate, the second gear shifting worm wheel 8 moves along with the second gear shifting worm wheel to drive the second gear shifting gear 9 coaxially connected with the second gear shifting worm wheel to move, and the second gear shifting gear 9 rotates to drive the gear shifting rack 10 meshed with the second gear shifting worm to move.
The TCU module is respectively and electrically connected with a first gear shifting motor 1 and a second gear shifting motor 6, the first gear shifting motor 1 determines forward rotation or reverse rotation according to an instruction sent by the TCU module, a first gear shifting worm 2 mechanically connected with the first gear shifting motor 1 is driven to rotate, the first gear shifting worm 2 meshed with the first gear shifting worm is transmitted to a first gear shifting gear 4 coaxially connected with the first gear shifting worm, the first gear shifting gear 4 rotates to enable a first gear shifting rack 5 to move, 1 and 2 gear shifting forks are driven, and one/two-gear shifting action is completed; the second gear shifting motor 6 determines whether to rotate forwards or reversely according to an instruction sent by the TCU module, drives a second gear shifting worm 7 mechanically connected with the second gear shifting motor 6 to rotate, transmits the second gear shifting worm to a coaxially connected second gear shifting gear 9 through a second gear shifting worm wheel 8 meshed with the second gear shifting worm, and the second gear shifting gear 9 rotates to enable a second gear shifting rack 10 to move, so that 3 and 4 gears are driven to shift forks, and the three/four-gear shifting action is completed.
As shown in fig. 2, when starting and shifting gears at a low speed, the second gear shifting motor is in a neutral position, the first gear shifting motor rotates forwards, the motor drives the gear shifting rack to shift gears through the gear shifting fork, and the gears are shifted from the neutral position to a first gear position; when the second gear shifting motor is located at the neutral position, the first gear shifting motor rotates reversely to drive the gear shifting rack to shift gears through the gear shifting fork, and the gear is shifted from the neutral position to the second gear position. When the gear is shifted at a high speed, the first gear shifting motor is in a neutral position, the second gear shifting motor rotates forwards to drive the gear shifting rack to shift gears through the gear shifting fork, and the gears are shifted from the neutral position to a third gear position; when the first gear shifting motor is located at the neutral position, the second gear shifting motor rotates reversely, the gear shifting fork drives the gear shifting rack to shift gears by the motor, and the gears are shifted from the neutral position to the fourth position. Namely, the functional requirement of automatic gear shifting is realized.
The system simplifies the complexity of the gear selecting and shifting mechanism and improves the gear shifting reliability; secondly, as the gear selecting process is omitted, the power interruption time during gear shifting can be effectively reduced, and the gear shifting efficiency is improved; when the gear is shifted, the two motors do not always need to work simultaneously, and partial gear shifting can be completed by a single motor, so that the energy consumption is saved to a certain extent; meanwhile, the mechanism has universality, can adapt to most of mechanical automatic transmissions formed by modifying manual transmissions, and effectively reduces the modification cost.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.

Claims (4)

1. The utility model provides an adaptation is in gearshift of four grades of AMT, includes the gear shifting motor, shifts the worm wheel, shift the gear, the rack of shifting, its characterized in that: the gear shifting motor is provided with a first gear shifting motor and a second gear shifting motor, the gear shifting worm is provided with a first gear shifting worm and a second gear shifting worm, the gear shifting worm is provided with a first gear shifting worm wheel and a second gear shifting worm wheel, the gear shifting gears are provided with a first gear shifting gear and a second gear shifting gear, the gear shifting racks are provided with a first gear shifting rack and a second gear shifting rack, a driving shaft of the first gear shifting motor is connected with one end of the first gear shifting worm, the first gear shifting motor drives the first gear shifting worm, the first gear shifting worm is meshed with the first gear shifting worm, the first gear shifting worm drives the first gear shifting worm wheel, the first gear shifting worm wheel is coaxially connected with the first gear shifting gear, the first gear shifting gear is meshed with the first gear shifting rack, and the first gear shifting rack drives the first gear shifting fork and the second gear shifting fork; the driving shaft of the second gear shifting motor is connected with one end of the second gear shifting worm, the second gear shifting motor drives the second gear shifting worm, the second gear shifting worm is meshed with the second gear shifting worm wheel, the second gear shifting worm drives the second gear shifting worm wheel, the second gear shifting worm wheel is coaxially connected with the second gear shifting gear, the second gear shifting gear is meshed with the second gear shifting rack, and the second gear shifting rack drives the third/fourth gear shifting fork to complete the third/fourth gear shifting action.
2. The shift mechanism adapted to a four-speed AMT according to claim 1, characterized in that: the first gear shifting motor and the second gear shifting motor are the same motor.
3. The shift mechanism adapted to a four-speed AMT according to claim 2, characterized in that: the first gear shifting worm and the second gear shifting worm are the same worm, the first gear shifting worm wheel and the second gear shifting worm wheel are the same worm wheel, the first gear shifting gear and the second gear shifting gear are the same gear, and the first gear shifting rack and the second gear shifting rack are the same racks.
4. The shift mechanism adapted to a four-speed AMT according to claim 1, characterized in that: the first gear shifting motor and the second gear shifting motor are respectively connected with the TCU module, and the first gear shifting motor and the second gear shifting motor determine forward rotation or reverse rotation according to instructions sent by the TCU module.
CN202022260457.XU 2020-10-13 2020-10-13 Gear shifting mechanism adaptive to four-gear AMT Expired - Fee Related CN213270986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022260457.XU CN213270986U (en) 2020-10-13 2020-10-13 Gear shifting mechanism adaptive to four-gear AMT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022260457.XU CN213270986U (en) 2020-10-13 2020-10-13 Gear shifting mechanism adaptive to four-gear AMT

Publications (1)

Publication Number Publication Date
CN213270986U true CN213270986U (en) 2021-05-25

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ID=75948351

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022260457.XU Expired - Fee Related CN213270986U (en) 2020-10-13 2020-10-13 Gear shifting mechanism adaptive to four-gear AMT

Country Status (1)

Country Link
CN (1) CN213270986U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210525

Termination date: 20211013