CN104477021A - Double-motor multi-mode rotation speed coupling driving assembly - Google Patents
Double-motor multi-mode rotation speed coupling driving assembly Download PDFInfo
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- CN104477021A CN104477021A CN201410568164.4A CN201410568164A CN104477021A CN 104477021 A CN104477021 A CN 104477021A CN 201410568164 A CN201410568164 A CN 201410568164A CN 104477021 A CN104477021 A CN 104477021A
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Abstract
The invention provides a double-motor multi-mode rotation speed coupling driving assembly. According to the double-motor multi-mode rotation speed coupling driving assembly, overrun clutches achieve mode switching; a single planetary row system composed of a planetary gear mechanism 9 serves as the power coupling device of a first motor 18 and a second motor 12; a first bidirectionally controllable overrun clutch 9 and a second bidirectionally controllable overrun clutch 14 are used for limiting the rotation of the first motor 18 and the second motor 12 respectively and further achieving multiple working modes of a vehicle under advancing and backing conditions as well as non-impact switch of the working modes. The double-motor multi-mode rotation speed coupling driving assembly can achieve the multiple working modes double-motor single driving, double-motor rotation speed coupling driving, double-motor single brake energy recovery and double-motor rotation speed coupling driving energy recovery, meet the dynamic requirements of vehicle travelling and avoid impact during mode switching, and meanwhile, is low in requirements on motor torque control precision and high in efficiency of a transmission system.
Description
Technical field
The invention belongs to dynamic assembly component technology field, be specifically related to a kind of double-motor power couple drive assembly.
Background technology
The electric driver of current electric coach often adopts single high-power driving motor and change speed gear box, working in different converter speed ratio, regulating the torque rotary speed that drive system exports by controlling change speed gear box, with the requirement meeting vehicle climbing and run at high speed.But Automatic Transmission is being carried out in shift process, because needs cut off propulsion source, causing during vehicle shift and occurring power interruption, thus there will be vehicle stall and produce the problems such as impact.Drive system and the speed-changing mechanism of some power failure-free functions are born thus, as motor rotating speed couple drive structure and double-clutch speed changer.But because drg in shift process or power-transfer clutch mainly adopt liquid clutch, cause the efficiency comparison of system low.
Application number be 201010100671.7 Chinese patent disclose a kind of motor rotating speed couple drive assembly of applicable electric coach, be made up of one group of simple planetary mechanism, two drive motor, mechanical brakes.During low speed, a motor is connected with the sun wheel of planetary mechanism, mechanical brake locking gear ring, and power is inputted by sun wheel, is exported to realize deceleration no-load voltage ratio, export large torque by pinion carrier; During high speed, mechanical brake unlocks gear ring, and a motor power inputs to sun wheel, and No. two motor powers input to the gear ring of the sun and planet gear be attached thereto, and is realized the rotating speed coupling of two motor input powers by sun and planet gear; Program structure is simple and reduce torque capacity and the power of single motor.But exist following not enough: pattern switches higher to the control overflow of mechanical brake and motor, impacts larger.
Application number be 201210024534.9 Chinese patent disclose a kind of double-motor coupling transmission system, be made up of one group of sun and planet gear, one group of fixed axis gear mechanism, two drive motor, mechanical brake, two power-transfer clutchs.By exporting and rotating speed coupling output the torque coupling that can realize double-motor that jointly controls of two power-transfer clutchs and a mechanical brake, and the switching before two kinds of output modes.The program achieves power failure-free gearshift when vehicle travels; Realize large torque when low speed by double-motor torque coupling to export, realize high rotating speed by motor rotating speed coupling during high speed and export; No matter in torque coupling or under rotating speed coupling, two motors all participate in work, and degree of utilization is higher.But there is the deficiency of complicated in mechanical structure.
Summary of the invention
It is simple and convenient that the present invention aims to provide a kind of pattern switching controls process, without the rotating speed couple drive structure of shift shock and shift process power failure-free; During low speed, single motor drives, Dual-motors Driving during high speed, by the mode of operation of cooperation control two two-way controllable overrunning clutch, the pattern of drive system is switched simple and convenient without impacting, avoid in the use procedure of traditional wet power-transfer clutch due to band row loss exist the drive system degradation of energy that causes serious phenomenon.
The object of the present invention is achieved like this:
The power that No. two motors (12) send exports sun and planet gear (6) to through No. two change-speed boxs (13), No. two two-way controllable overrunning clutch (14), the power that motor (18) exports exports sun and planet gear (6) to through a change-speed box (17), and the power of No. two motors (12) and a motor (18) outputs to wheel (3) through sun and planet gear (6), pinion carrier (5), main reduction gear (4), diff (2), drive axle (1).A two-way controllable overrunning clutch (9) and No. two two-way controllable overrunning clutch (14) in order to realize double-motor multi-model coupling drive configuration various mode of operations between switching.This structure energy actv. realizes the demand of vehicle multiple-working mode.
Accompanying drawing explanation
Accompanying drawing is this kind of double-motor multi-mode rotating speed couple drive assembly composition constructional drawing.
Detailed description of the invention
Now further illustrate by reference to the accompanying drawings.
The present invention is by drive axle (1), diff (2), wheel (3), main reduction gear (4), sun and planet gear (6), a two-way controllable overrunning clutch (9), casing (11), No. two motors (12), No. two change-speed boxs (13), No. two two-way controllable overrunning clutch (14), a change-speed box (17), a motor (18), a shift fork (10), No. two shift fork (15) compositions, wherein sun and planet gear (6) is by satellite gear (7), gear ring (8), pinion carrier (5), sun wheel (16) forms, and it is characterized in that: the power that No. two motors (12) send is through No. two change-speed boxs (13), No. two two-way controllable overrunning clutch (14) export sun and planet gear (6) to, the power that motor (18) exports exports sun and planet gear (6) to through a change-speed box (17), and the power of No. two motors (12) and a motor (18) is through sun and planet gear (6), pinion carrier (5), main reduction gear (4), diff (2), drive axle (1) outputs to wheel (3).
The mode of operation of a two-way controllable overrunning clutch (9) is controlled by a shift fork (10), and the mode of operation of No. two two-way controllable overrunning clutch (9) is controlled by No. two shift forks (15).
By controlling the mode of operation of a shift fork (10), No. two shift forks (15), a motor (18) and No. two motors (12), the multiple-working mode of double-motor can be obtained, its assembled state is as shown in table 1, wherein " 1 " represents that overriding clutch is in forward and surmounts state, " 0 " represents that overriding clutch is in lockup state, "-1 " represents that overriding clutch is in and oppositely surmounts state, " M " represents that machine operation is at electric motor state, " G " represents that machine operation is at Generator Status, and " C " represents that motor cuts out.
Table 1 mode of operation
Forward travel state next number motor drive mode a: two-way controllable overrunning clutch (9) is operated in forward and surmounts state, No. two two-way controllable overrunning clutch (14) are operated in lockup state, a motor (18) is operated in electric model, No. two motors (12) quit work, motor (18) outputting power through a change-speed box (17), gear ring (8), pinion carrier (5), main reduction gear (4), diff (2), export drive axle (1) to, finally output power to wheel (3).
Forward travel state next number motor braking mode a: two-way controllable overrunning clutch (9) is operated in forward and surmounts state, No. two two-way controllable overrunning clutch (14) are operated in lockup state, a motor (18) is operated in power generation mode, No. two motors (12) quit work, the inertia torque of vehicle rotates through wheel (3), drive axle (1), diff (2), main reduction gear (4), pinion carrier (5), gear ring (8), dragging motor (18), carries out Brake energy recovery.
State of rolling backward next number motor drive mode a: two-way controllable overrunning clutch (9) is operated in and oppositely surmounts state, No. two two-way controllable overrunning clutch (14) are operated in lockup state, a motor (18) is operated in electric model, No. two motors (12) quit work, motor (18) outputting power through a change-speed box (17), gear ring (8), pinion carrier (5), main reduction gear (4), diff (2), export drive axle (1) to, finally output power to wheel (3).
State of rolling backward next number motor braking mode a: two-way controllable overrunning clutch (9) is operated in and oppositely surmounts state, No. two two-way controllable overrunning clutch (14) are operated in lockup state, a motor (18) is operated in power generation mode, No. two motors (12) quit work, the inertia torque of vehicle rotates through wheel (3), drive axle (1), diff (2), main reduction gear (4), pinion carrier (5), gear ring (8), dragging motor (18), carries out Brake energy recovery.
Lower No. two motor drive mode of forward travel state a: two-way controllable overrunning clutch (9) is operated in lockup state, No. two two-way controllable overrunning clutch (14) are operated in forward and surmount state, a motor (18) quits work, No. two motors (12) are operated in motoring condition, No. two motor (12) outputting powers through No. two change-speed boxs (13), sun wheel (16), pinion carrier (5), main reduction gear (4), diff (2), export drive axle (1) to, finally output power to wheel (3).
The lower No. two motor braking mode of forward travel state a: two-way controllable overrunning clutch (9) is operated in lockup state, No. two two-way controllable overrunning clutch (14) are operated in forward and surmount state, a motor (18) quits work, No. two motors (12) are operated in generating state, the inertia torque of vehicle rotates through wheel (3), drive axle (1), diff (2), main reduction gear (4), pinion carrier (5), sun wheel (16), dragging No. two motors (12), carries out Brake energy recovery.
Lower No. two motor drive mode of state of rolling backward a: two-way controllable overrunning clutch (9) is operated in lockup state, No. two two-way controllable overrunning clutch (14) are operated in and oppositely surmount state, a motor (18) quits work, No. two motors (12) are operated in motoring condition, No. two motor (12) outputting powers through No. two change-speed boxs (13), sun wheel (16), pinion carrier (5), main reduction gear (4), diff (2), export drive axle (1) to, finally output power to wheel (3).
The lower No. two motor braking energy recuperation mode of state of rolling backward a: two-way controllable overrunning clutch (9) is operated in lockup state, No. two two-way controllable overrunning clutch (14) are operated in and oppositely surmount state, a motor (18) quits work, No. two motors (12) are operated in generating state, the inertia torque of vehicle rotates through wheel (3), drive axle (1), diff (2), main reduction gear (4), pinion carrier (5), sun wheel (16), dragging No. two motors (12), carries out Brake energy recovery.
Dual-motors Driving pattern under forward travel state a: two-way controllable overrunning clutch (9) is operated in forward and surmounts state, No. two two-way controllable overrunning clutch (14) are operated in forward and surmount state, a motor (18) is operated in electric model, No. two motors (12) are operated in electric model, motor (18) outputting power is through a change-speed box (17), gear ring (8), be input to sun and planet gear (6), No. two motor (12) outputting powers are through No. two change-speed boxs (13), sun wheel (16), be input to sun and planet gear (6), the power of two motors is exported to main reduction gear (4) through pinion carrier (5) by sun and planet gear (6), diff (2), export drive axle (1) to, finally output power to wheel (3).
Double-motor braking mode under forward travel state a: two-way controllable overrunning clutch (9) is operated in forward and surmounts state, No. two two-way controllable overrunning clutch (14) are operated in forward and surmount state, a motor (18) and No. two motors (12) are operated in power generation mode, the inertia torque of vehicle is through wheel (3), drive axle (1), diff (2), main reduction gear (4), pinion carrier (5) is input to sun and planet gear (6), wherein part energy is through sun wheel (16), drag the rotation of No. two motors (12), carry out Brake energy recovery, another part energy is through gear ring (8), drag the rotation of a motor (18), carry out Brake energy recovery.
Dual-motors Driving pattern under state of rolling backward a: two-way controllable overrunning clutch (9) is operated in and oppositely surmounts state, No. two two-way controllable overrunning clutch (14) are operated in and oppositely surmount state, a motor (18) and No. two motors (12) are operated in electric model, motor (18) outputting power is through a change-speed box (17), gear ring (8), be input to sun and planet gear (6), No. two motor (12) outputting powers are through No. two change-speed boxs (13), sun wheel (16), be input to sun and planet gear (6), the power of two motors is exported to main reduction gear (4) through pinion carrier (5) by sun and planet gear (6), diff (2), export drive axle (1) to, finally output power to wheel (3).
Double-motor braking mode under state of rolling backward a: two-way controllable overrunning clutch (9) is operated in and oppositely surmounts state, No. two two-way controllable overrunning clutch (14) are operated in and oppositely surmount state, a motor (18) and No. two motors (12) are operated in power generation mode, the inertia torque of vehicle is through wheel (3), drive axle (1), diff (2), main reduction gear (4), pinion carrier (5) is input to sun and planet gear (6), wherein part energy is through sun wheel (16), drag the rotation of No. two motors (12), carry out Brake energy recovery, another part energy is through gear ring (8), drag the rotation of a motor (18), carry out Brake energy recovery.
A change-speed box (17) can be change-speed box, also can be the retarder of stable drive ratio, the power that will export from a motor (18) exports to gear ring (8), multiple speed change levels of this change-speed box at least can possess speedup speed change level or deceleration speed change level, and this retarder also can be cancelled as required.
No. two change-speed boxs (13) can be change-speed boxs, also can be the retarder of stable drive ratio, it can have multiple speed change level, the power that will export from No. two motors (12) exports to sun wheel (16), multiple speed change levels of this change-speed box at least can possess speedup speed change level or deceleration speed change level, and this retarder also can be cancelled as required.
Double-motor power source is not defined as motor, and also can be the combination of driving engine or other propulsions source, the characteristic of two propulsions source can be the same or different.Pinion carrier (5) latter linked device is not defined as main reduction gear (4).The driving that main reduction gear (4) may be used for conventional truck is connected afterwards in pinion carrier (5); Connect drive wheel afterwards in pinion carrier (5), realize the bilateral independent drive of vehicle with two these driving assemblies of cover, to meet the power demand of the High-Powered Vehicle of bilateral independent drive.
A two-way controllable overrunning clutch (9) and No. two two-way controllable overrunning clutch (14) can replace with two unidirectional controllable overrunning clutchs respectively.
As can be seen from above principle of work, this double-motor multi-model coupling drive configuration can realize the multiple-working mode that two motors drive separately, motor rotating speed couple drive, two motor independent brake energy regenerating, motor rotating speed are coupled Brake energy recovery, the dynamic property demand that vehicle travels can be met, pattern switches without impacting, the accuracy requirement controlled motor torque is low, and transmission system efficiency is high.
Claims (4)
1. a double-motor multi-mode rotating speed couple drive assembly, by drive axle (1), diff (2), wheel (3), main reduction gear (4), sun and planet gear (6), a two-way controllable overrunning clutch (9), casing (11), No. two motors (12), No. two change-speed boxs (13), No. two two-way controllable overrunning clutch (14), a change-speed box (17), motor (18) composition, wherein sun and planet gear (6) is by satellite gear (7), gear ring (8), pinion carrier (5), sun wheel (16) forms, the mode of operation of a two-way controllable overrunning clutch (9) is controlled by a shift fork (10), the mode of operation of No. two two-way controllable overrunning clutch (9) is controlled by No. two shift forks (15), it is characterized in that: the power that No. two motors (12) send is through No. two change-speed boxs (13), No. two two-way controllable overrunning clutch (14) export sun and planet gear (6) to, the power that motor (18) exports exports sun and planet gear (6) to through a change-speed box (17), and the power of No. two motors (12) and a motor (18) is through sun and planet gear (6), pinion carrier (5), main reduction gear (4), diff (2), drive axle (1) outputs to wheel (3).
2. a kind of double-motor multi-mode rotating speed couple drive assembly described by claim 1, it is characterized in that: motor (18) mode of operation is divided into forward travel state next number motor (18) to drive mode of operation and forward travel state next number motor (18) Brake energy recovery mode of operation and state of rolling backward next number motor (18) to drive mode of operation and state of rolling backward next number motor (18) power generation operation pattern, when forward travel state under motor (18) mode of operation, controlling No. two shift forks (15) makes No. two two-way controllable overrunning clutch (14) be operated in bidirectional locking state, sun wheel (16) is by locking, control a shift fork (10) to make a two-way controllable overrunning clutch (9) be operated in forward to surmount state simultaneously, when state of rolling backward under motor (18) mode of operation, controlling No. two shift forks (15) makes No. two two-way controllable overrunning clutch (14) be operated in bidirectional locking state, sun wheel (16) is by locking, control a shift fork (10) two-way controllable overrunning clutch (9) to be operated in oppositely surmount state simultaneously,
Under wherein when forward travel state and state of rolling backward, a motor (18) drives mode of operation, a motor (18) is operated in electric model, No. two motors (12) quit work, motor (18) outputting power through a change-speed box (17), gear ring (8), pinion carrier (5), main reduction gear (4), diff (2), export drive axle (1) to, finally output power to wheel (3);
When forward travel state and state of rolling backward under motor (18) Brake energy recovery mode of operation, a motor (18) is operated in power generation mode, No. two motors (12) quit work, the inertia torque of vehicle rotates through wheel (3), drive axle (1), diff (2), main reduction gear (4), pinion carrier (5), gear ring (8), dragging motor (18), carries out Brake energy recovery.
3. a kind of double-motor multi-mode rotating speed couple drive assembly described by claim 1, it is characterized in that: No. two motor (12) mode of operations are divided into lower No. two motors (12) of forward travel state to drive lower No. two motors (12) of mode of operation and lower No. two motor (12) the Brake energy recovery mode of operations of forward travel state and state of rolling backward to drive mode of operation and lower No. two motor (12) the power generation operation patterns of state of rolling backward, when forward travel state under No. two motor (12) mode of operations, control No. two shift forks (15) to make No. two two-way controllable overrunning clutch (14) be operated in forward to surmount state, control a shift fork (10) makes a two-way controllable overrunning clutch (9) be operated in lockup state simultaneously, by gear ring (8) locking, when state of rolling backward under No. two motor (12) mode of operations, control No. two shift forks (15) No. two two-way controllable overrunning clutch (14) to be operated in oppositely surmount state, control a shift fork (10) makes a two-way controllable overrunning clutch (9) be operated in bidirectional locking state simultaneously, by gear ring (8) locking,
Under wherein when forward travel state and state of rolling backward, No. two motors (12) drive mode of operation, No. two motors (12) are operated in electric model, a motor (18) quits work, No. two motor (12) outputting powers through No. two change-speed boxs (13), sun wheel (16), pinion carrier (5), main reduction gear (4), diff (2), export drive axle (1) to, finally output power to wheel (3);
Under when forward travel state and state of rolling backward, No. two motors (12) are operated in Brake energy recovery mode of operation, No. two motors (12) are operated in power generation mode, a motor (18) quits work, the inertia torque of vehicle rotates through wheel (3), drive axle (1), diff (2), main reduction gear (4), pinion carrier (5), sun wheel (16), dragging No. two motors (12), carries out Brake energy recovery.
4. a kind of double-motor multi-mode rotating speed couple drive assembly described by claim 1, it is characterized in that: rotating speed couple drive mode of operation and rotating speed coupling Brake energy recovery mode of operation when rotating speed couple drive mode of operation and rotating speed coupling Brake energy recovery mode of operation and vehicle backing state when motor rotating speed coupling work mode is divided into vehicle forward travel state, under forward travel state double-motor mode of operation, control a shift fork (10) and No. two shift forks (15) to make a two-way controllable overrunning clutch (9) and No. two two-way controllable overrunning clutch (14) be operated in forward to surmount state, when state of rolling backward under double-motor mode of operation, control a shift fork (10) and No. two shift forks (15) two-way controllable overrunning clutch (9) and No. two two-way controllable overrunning clutch (14) to be operated in oppositely surmount state,
Wherein under rotating speed couple drive mode of operation, a motor (18) and No. two motors (12) are operated in electric model, motor (18) outputting power is through a change-speed box (17), gear ring (8), be input to sun and planet gear (6), No. two motor (12) outputting powers are through No. two change-speed boxs (13), sun wheel (16), be input to sun and planet gear (6), sun and planet gear (6) says that the power of two motors exports to main reduction gear (4) through pinion carrier (5), diff (2), export drive axle (1) to, finally output power to wheel (3),
Under rotating speed coupling Brake energy recovery mode of operation, a motor (18) and No. two motors (12) are operated in power generation mode, the inertia torque of vehicle is input to sun and planet gear (6) through wheel (3), drive axle (1), diff (2), main reduction gear (4), pinion carrier (5), wherein part energy rotates through sun wheel (16), dragging No. two motors (12), carry out Brake energy recovery, another part energy rotates through gear ring (8), dragging motor (18), carries out Brake energy recovery.
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| CN114013263A (en) * | 2021-12-22 | 2022-02-08 | 吉林大学 | Four-mode double-motor coupling electric drive axle |
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| CN110126603A (en) * | 2018-02-08 | 2019-08-16 | 郑州宇通客车股份有限公司 | A kind of pure electric vehicle sanitation cart dynamical system and sanitation cart |
| CN108482088A (en) * | 2018-05-21 | 2018-09-04 | 福州大学 | Two grades of double-motor power coupling driving devices and its working method |
| CN108482088B (en) * | 2018-05-21 | 2023-12-15 | 福州大学 | Two-gear double-motor power coupling driving device and working method thereof |
| CN112747090A (en) * | 2021-01-25 | 2021-05-04 | 重庆胜特佳机械有限公司 | Double-power multi-mode stepless speed change coupling output mechanism |
| CN112747090B (en) * | 2021-01-25 | 2023-04-14 | 重庆胜特佳机械有限公司 | Double-power multi-mode stepless speed change coupling output mechanism |
| CN113022227A (en) * | 2021-04-27 | 2021-06-25 | 吉林大学 | Multi-mode double-motor coupling electric drive axle |
| CN114013263A (en) * | 2021-12-22 | 2022-02-08 | 吉林大学 | Four-mode double-motor coupling electric drive axle |
| CN114013263B (en) * | 2021-12-22 | 2024-03-08 | 吉林大学 | Four-mode double-motor coupling electric drive axle |
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