CN204341183U - A kind of single motor drives differential steering device - Google Patents

A kind of single motor drives differential steering device Download PDF

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Publication number
CN204341183U
CN204341183U CN201420845697.8U CN201420845697U CN204341183U CN 204341183 U CN204341183 U CN 204341183U CN 201420845697 U CN201420845697 U CN 201420845697U CN 204341183 U CN204341183 U CN 204341183U
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CN
China
Prior art keywords
gear
steering
power
planet gear
planet
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420845697.8U
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Chinese (zh)
Inventor
丛元英
王小平
孔维康
冯双诗
王继新
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Jilin University
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Jilin University
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Publication date
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Priority to CN201420845697.8U priority Critical patent/CN204341183U/en
Application granted granted Critical
Publication of CN204341183U publication Critical patent/CN204341183U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of single motor and drives differential steering device, it is characterized in that comprising drive motor, power selects control mechanism, steering hardware, driver train and power take-off mechanism; Drive motor is connected with power device for selection controlling by gears meshing, outputting power; Power device for selection controlling side is connected with steering hardware, and opposite side is connected with driver train; The power that drive motor sends carries out power dividing through power selecting arrangement, power take-off mechanism is delivered to through steering hardware and/or driver train, realize the straight-line travelling of vehicle and turn to, adopt motor as unique power input source, higher than the dual power source steering hardware reliability being driven by motor, realized turning to by HM Hydraulic Motor, be easy to control; By carrying out power dividing to realize turning to propulsion source, energy consumption is lower; Left and right turn system response is realized very fast by idle pulley; When high speed steering due to the effect of power dividing, passive reduction of speed can be realized, improve travel safety.

Description

A kind of single motor drives differential steering device
Technical field
The utility model relates to differential speed of vehicle steering hardware, more specifically, the present invention relates to a kind of electric drive differential steering device.
Background technology
Along with the development of construction machinery industry, construction machinery product drives towards electricity gradually, efficiently, the direction of energy-saving and environmental protection strides forward.But differential steering device generally adopts dual power source at present, drives straight-line travelling by motor, HM Hydraulic Motor realizes turning to, but hydraguide poor reliability, reduce travel safety.In addition, respond faster to ensure that differential steering device has, HM Hydraulic Motor need remain at running state, causes system energy consumption to increase.
Summary of the invention
The purpose of this utility model is just to provide a kind of single motor to drive differential steering device for above-mentioned the deficiencies in the prior art.
The purpose of this utility model is achieved through the following technical solutions, and accompanying drawings is as follows:
A kind of single motor drives differential steering device, comprises drive motor 19, power selects control mechanism, steering hardware, driver train and power take-off mechanism; Described power is selected control mechanism to comprise transfer gear 2, point moving axis II and is positioned at the power-transfer clutch 3,18 of transfer gear 2 bilateral symmetry installation, and mechanical brake 4,17, described power-transfer clutch 3,18, transfer gear 2 and mechanical brake 4,17 be loaded on point moving axis II respectively by spline; Described drive motor 19 is connected with power device for selection controlling by gears meshing, outputting power; Described power device for selection controlling side is connected with steering hardware, opposite side is connected with driver train, the power that described drive motor 19 sends carries out power dividing through power selecting arrangement, be delivered to power take-off mechanism through steering hardware and/or driver train, realize the straight-line travelling of vehicle and turn to.
Described steering hardware comprise toric transmission 5, steering shaft IV, reversing gear 6, commutation steering shaft III, right steering gear 7, combined cover 8, left steering gear 9 and steering gear 10, wherein toric transmission 5 toric transmission steamboat 5-2, be loaded on point moving axis II by spline.
Left steering gear 9, the right steering gear 7 of described steering hardware are set with in steering shaft IV, and the toric transmission bull wheel 5-1 of left steering gear 9, toric transmission 5 is loaded on steering shaft IV by spline.
Described power take-off mechanism comprises first planet gear mechanism 11, second sun and planet gear 12, third planet gear mechanism 13; Described first planet gear mechanism 11 comprises sun wheel I 11-1, satellite gear I 11-2, pinion carrier I 11-3 and gear ring I 11-4, second sun and planet gear 12 comprises sun wheel II 12-1, satellite gear II 12-2, pinion carrier II 12-3 and gear ring II 12-4, and third planet gear mechanism 13 comprises sun wheel III 13-1, satellite gear III 13-2, pinion carrier III 13-3 and fixed gear ring 13-4; Described central principal axis VI is connected by the sun wheel of spline with the first star gear mechanism 11, second star gear mechanism 12 and Norton gear mechanism 13; Described big gear wheel 14 is set in central principal axis VI, and is connected with pinion carrier II 12-3 of the second star gear mechanism 12; Gear ring II 12-4 of described second star gear mechanism 12 is connected with left end output shaft V with pinion carrier I 11-3 by satellite gear I 11-2 of the first star gear mechanism 11; Pinion carrier III 13-3 of described third planet gear mechanism 13 is connected to right-hand member output shaft VII.
Described steering gear 10 is combined with right steering gear 7 through combined cover 8, and power reaches gear ring I 11-4 of the first star gear mechanism through right steering gear 7, reversing gear 6, and reversing gear only changes transmission direction and do not change transmitting ratio.
Described steering gear 10 is combined with left steering gear 9 through combined cover 8, and power reaches gear ring I 11-4 of first planet gear mechanism through left steering gear 9.
Described driver train comprises driven wheel 16, axle drive shaft VIII and idle pulley 15, and described driven wheel 16 spline is loaded on point moving axis II, and idle pulley 15 is arranged on axle drive shaft VIII, and described driver train is connected by gears meshing with power take-off mechanism.
The beneficial effects of the utility model are that this device adopts motor as unique power input source, realize its straight line by the state of control clutch, mechanical brake travel and turn to, higher than the dual power source steering hardware reliability being driven by motor, realized turning to by HM Hydraulic Motor, be easy to control; This device is by carrying out power dividing to realize turning to propulsion source, and compared to the conventional apparatus needing HM Hydraulic Motor continuous running, energy consumption significantly reduces; Realize left and right turn by idle pulley, compared to the rotating of traditional differential gear by motor, system response is very fast; When high speed steering due to the effect of power dividing, passive reduction of speed can be realized, improve travel safety.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that single motor of the present utility model drives differential steering device structure;
Fig. 2 is the power transmission line figure that single motor of the present utility model drives differential steering device embodiment 1;
Fig. 3 is the transmission of power diagram of circuit of Fig. 2;
Fig. 4 is the power transmission line figure that single motor of the present utility model drives differential steering device embodiment 2;
Fig. 5 is the transmission of power diagram of circuit of Fig. 4;
Fig. 6 is the power transmission line figure that single motor of the present utility model drives differential steering device embodiment 3;
Fig. 7 is the transmission of power diagram of circuit of Fig. 6.
In figure, 1. input gear 2. transfer gear 3. steering clutch 4. steering, locking device 5. toric transmission 5-1. toric transmission bull wheel 5-2 toric transmission steamboat 6. reversing gear 7. right steering gear 8. combined cover 9. left steering gear 10. steering gear 11. first planet gear mechanism 11-1. sun wheel I 11-2. satellite gear I 11-3. pinion carrier I 11-4. gear ring I 12. second sun and planet gear 12-1. sun wheel II 12-2. satellite gear II 12-3. pinion carrier II 12-4. gear ring II 13. third planet gear mechanism 13-1. sun wheel III 13-2. satellite gear III 13-3. pinion carrier III 13-4. fixed gear ring 14. big gear wheel 15. idle pulley 16. driven wheel 17. drives mechanical brake 18. driving clutch I. input shaft II. to divide moving axis III. to turn to reversing shaft IV. steering shaft V. left end output shaft VI. central principal axis VII. right-hand member output shaft VIII. axle drive shaft 19. drive motor
Detailed description of the invention
Describe embodiment of the present utility model below in conjunction with accompanying drawing, but the utility model is not limited thereto:
As shown in Figure 1, the electrically operated traveling that the utility model provides and differential steering combination unit, by input gear 1, transfer gear 2, steering clutch 3, steering, locking device 4, toric transmission 5, reversing gear 6, right steering gear 7, combined cover 8, left steering gear 9, steering gear 10, first planet gear mechanism 11, second sun and planet gear 12, third planet gear mechanism 13, big gear wheel 14, idle pulley 15, driven wheel 16, driving clutch 18, drive mechanical brake 17, input shaft I, divide moving axis II, turn to reversing shaft III, steering shaft IV, left end output shaft V, central principal axis VI, right-hand member output shaft VII, axle drive shaft VIII is formed, the left end of central principal axis VI, middle part and right-hand member install first planet gear mechanism 11, second sun and planet gear 12 and third planet gear mechanism 13 successively, first planet gear mechanism 11 comprises sun wheel I 11-1, satellite gear I 11-2, pinion carrier I 11-3 and gear ring I 11-4, second sun and planet gear 12 comprises sun wheel II 12-1, satellite gear II 12-2, pinion carrier II 12-3 and gear ring II 12-4, and third planet gear mechanism 13 comprises sun wheel III 13-1, satellite gear III 13-2, pinion carrier III 13-3 and fixed gear ring 13-4, central principal axis VI is connected by the sun wheel of spline with first planet gear mechanism 11, second sun and planet gear 12 and third planet gear mechanism 13, big gear wheel 14 is set in central principal axis VI, and is connected with pinion carrier II 12-3 of the second sun and planet gear 12, gear ring II 12-4 of the second sun and planet gear 12 is connected with left end output shaft V with pinion carrier I 11-3 by satellite gear I 11-2 of first planet gear mechanism 11, pinion carrier III 13-3 of third planet gear mechanism 13 is connected to right-hand member output shaft VII.
Steering gear 10 combines through combined cover 8 and left steering gear 9 and is in transmission connection with gear ring I 11-4 of first planet gear mechanism 11, or steering gear 10 combines through combined cover 8 and right steering gear 7 and is connected by meshing transmission through reversing gear 6 gear ring I 11-4 with first planet gear mechanism 11, reversing gear only changes transmission direction and does not change transmitting ratio; Steering shaft IV from left to right installs left steering gear 9, steering gear 8, right steering gear 7, toric transmission bull wheel 5-1 according to this, left steering wheel 9, right steering wheel 7 are set in steering shaft IV, and steering gear 8, toric transmission bull wheel 5-1 are loaded on steering shaft IV by spline.
Divide moving axis II from left to right to install toric transmission steamboat 5-2, steering, locking device 4, steering clutch 3, transfer gear 2, driving clutch 18 according to this, drive mechanical brake 17, driven wheel 16, toric transmission steamboat 5-2, transfer gear 2, driven wheel 18 are loaded on a point moving axis II by spline;
This device adopts single motor as sole power input source, by controlling steering clutch 3, driving clutch 18, steering, locking device 4, driving the state of mechanical brake 17 realize straight-line travelling and turn to; When its straight line travels, the power that motor sends is all for travelling; During vehicle pivot stud, motor send power all for turning to; When vehicle to run turns to, the power that motor sends through transfer gear 2, point moving axis II for travelling and turning to.
Embodiment 1
As shown in Figures 2 and 3, when its straight line travels, driving clutch 18 combines, and drive mechanical brake 17 to discharge, steering clutch 3 is separated, steering, locking device 4 locking, the power that motor provides reaches transfer gear 2 through gear 1, power is reached driven wheel 16 through a point moving axis II by transfer gear 2, idle pulley 15, big gear wheel 14, power is reached pinion carrier II 12-3 by big gear wheel 14, after pinion carrier II 12-3, spread out of along both direction: a part of power reaches gear ring 12-4 via satellite gear II 12-2, left end output shaft V is reached by pinion carrier I 11-3, another part power then reaches sun wheel II 12-1 via after satellite gear II 12-2, power is reached sun wheel III 13-1 through central principal axis VI by sun wheel II 12-1, sun wheel III 13-1, satellite gear III 13-2, this part power is reached right-hand member output shaft VII by pinion carrier III 13-3 and fixed gear ring 13-4, the power of two output shafts is equal, and hand of rotation is consistent, vehicle linearly travels.
Embodiment 2
As shown in Figure 4 and Figure 5, during vehicle pivot stud, driving clutch 18 is separated, and drive mechanical brake 17 locking, steering clutch 3 combines, and steering, locking device 4 discharges; The power that motor provides reaches transfer gear 2 through gear 1, power is reached toric transmission 5 through a point moving axis II by transfer gear 2, power is reached steering gear 10 through axle IV by toric transmission 5, wherein, steering gear 10 can be combined with gear 7 through combined cover 8, power reaches gear ring 11-4 through gear 7, reversing gear 6, steering gear 10 also can be combined with gear 9 through combined cover 8, power reaches gear ring 11-4 through gear 9, after gear ring 11-4, spread out of along both direction: a part of power directly reaches left end output shaft V through pinion carrier I 11-3; Another part power reaches sun wheel I 11-1 through satellite gear I 11-2, power is reached sun wheel III 13-1 through central principal axis VI by sun wheel I 11-1, this part power is reached right-hand member output shaft VII by sun wheel III 13-1, satellite gear III 13-2, pinion carrier III 13-3 and fixed gear ring 13-4, the power of two output shafts is equal, hand of rotation is contrary, vehicle realizes pivot stud, i.e. zero turn radius.
Embodiment 3
As shown in Figure 6 and Figure 7, when vehicle to run turns to, driving clutch 18 combines, and drive mechanical brake 17 to discharge, steering clutch 3 combines, and steering, locking device 4 discharges, the power that motor provides reaches transfer gear 2 through gear 1, and power after point moving axis II, spreads out of along both direction: a part of power flows through straight-line travelling system through driven wheel 16, idle pulley 15, big gear wheel 14 by transfer gear 2, another part power reaches steering gear 10 through toric transmission 5 through axle IV, wherein, if steering gear 10 is combined with left steering gear 9 through combined cover 8, power flows through steering swivel system through left steering gear 9, reduce left side wheel speed, increase right side wheels speed, reach the speed official post vehicle left steering of both sides wheel, if steering gear 10 is combined with right steering gear 7 through combined cover 8, power is through right steering gear 7, when reversing gear 6 flows through steering swivel system, reduce right side wheels speed, increase left side wheel speed, reach the speed official post vehicle right steering of both sides wheel.

Claims (7)

1. single motor drives a differential steering device, selects control mechanism, steering hardware, driver train and power take-off mechanism to form, it is characterized in that by drive motor (19), power:
Described power is selected control mechanism by transfer gear (2), point moving axis (II) and is positioned at steering clutch (3), driving clutch (18), the steering, locking device (4) of transfer gear (2) bilateral symmetry installation and drives mechanical brake (17) to form, and described steering clutch (3), driving clutch (18), transfer gear (2) and steering, locking device (4), driving mechanical brake (17) are loaded on a point moving axis (II) respectively by spline; Described drive motor (19) is connected with power device for selection controlling by gears meshing, outputting power; Described power device for selection controlling side is connected with steering hardware, opposite side is connected with driver train, the power that described drive motor (19) sends carries out power dividing through power selecting arrangement, be delivered to power take-off mechanism through steering hardware and/or driver train, realize the straight-line travelling of vehicle and turn to.
2. single motor according to claim 1 drives differential steering device, it is characterized in that:
Described steering hardware is made up of toric transmission (5), steering shaft (IV), reversing gear (6), right steering gear (7), combined cover (8), left steering gear (9) and the steering gear (10) be contained in commutation steering shaft (III), wherein toric transmission (5) toric transmission steamboat (5-2), be loaded on a point moving axis (II) by spline; Left steering gear (9), the right steering gear (7) of described steering hardware are set with in steering shaft (IV), and the toric transmission bull wheel (5-1) of steering gear (10), toric transmission (5) is loaded on steering shaft (IV) by spline.
3. single motor according to claim 1 and 2 drives differential steering device, it is characterized in that:
Described power take-off mechanism is made up of first planet gear mechanism (11), the second sun and planet gear (12) and third planet gear mechanism (13); Described first planet gear mechanism (11) comprises sun wheel I (11-1), satellite gear I (11-2), pinion carrier I (11-3) and gear ring I (11-4), second sun and planet gear (12) comprises sun wheel II (12-1), satellite gear II (12-2), pinion carrier II (12-3) and gear ring II (12-4), and third planet gear mechanism (13) comprises sun wheel III (13-1), satellite gear III (13-2), pinion carrier III (13-3) and fixed gear ring (13-4).
4. single motor according to claim 3 drives differential steering device, it is characterized in that:
The sun wheel of described first planet gear mechanism (11), the second sun and planet gear (12) and third planet gear mechanism (13) is loaded on central principal axis (VI) by spline; Big gear wheel (14) is set on central principal axis (VI), and is connected with the pinion carrier II (12-3) of the second sun and planet gear (12); The gear ring II (12-4) of described second sun and planet gear (12) is connected with left end output shaft (V) with pinion carrier I (11-3) by the satellite gear I (11-2) of first planet gear mechanism (11); The pinion carrier III (13-3) of described third planet gear mechanism (13) is connected on right-hand member output shaft (VII).
5. single motor according to claim 4 drives differential steering device, it is characterized in that:
Described steering gear (10) combines through combined cover (8) and right steering gear (7), power reaches the gear ring I (11-4) of the first star gear mechanism 11 through right steering gear (7), reversing gear (6), and reversing gear only changes transmission direction and do not change transmitting ratio.
6. single motor according to claim 4 drives differential steering device, it is characterized in that:
Described steering gear (10) combines through combined cover (8) and left steering gear (9), and power reaches the gear ring I (11-4) of first planet gear mechanism (11) through left steering gear (9).
7. single motor according to claim 1 drives differential steering device, it is characterized in that:
Described driver train comprises driven wheel (16), axle drive shaft (VIII) and idle pulley (15), described driven wheel (16) is loaded on a point moving axis (II) by spline, idle pulley (15) is arranged on axle drive shaft (VIII), and described driver train and power take-off mechanism are by being connected with a joggle.
CN201420845697.8U 2014-12-26 2014-12-26 A kind of single motor drives differential steering device Expired - Fee Related CN204341183U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420845697.8U CN204341183U (en) 2014-12-26 2014-12-26 A kind of single motor drives differential steering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420845697.8U CN204341183U (en) 2014-12-26 2014-12-26 A kind of single motor drives differential steering device

Publications (1)

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CN204341183U true CN204341183U (en) 2015-05-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107856527A (en) * 2017-12-07 2018-03-30 吉林大学 A kind of motor-driven serial mixed power bull-dozer differential running gear of list
CN112032275A (en) * 2019-06-03 2020-12-04 哈尔滨工业大学 Mechanical four-axis differential device
CN113915309A (en) * 2021-12-15 2022-01-11 易如(山东)智能科技有限公司 Mechanical automatic stepless gearbox capable of realizing left-right forward and reverse rotation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107856527A (en) * 2017-12-07 2018-03-30 吉林大学 A kind of motor-driven serial mixed power bull-dozer differential running gear of list
CN107856527B (en) * 2017-12-07 2021-05-25 吉林大学 Single-motor-driven serial hybrid power bulldozer differential traveling device
CN112032275A (en) * 2019-06-03 2020-12-04 哈尔滨工业大学 Mechanical four-axis differential device
CN113915309A (en) * 2021-12-15 2022-01-11 易如(山东)智能科技有限公司 Mechanical automatic stepless gearbox capable of realizing left-right forward and reverse rotation

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150520

Termination date: 20151226

EXPY Termination of patent right or utility model