CN109826911A - A kind of unbroken two speed gear of coaxial-type bi-motor gear shift power - Google Patents

A kind of unbroken two speed gear of coaxial-type bi-motor gear shift power Download PDF

Info

Publication number
CN109826911A
CN109826911A CN201811606247.2A CN201811606247A CN109826911A CN 109826911 A CN109826911 A CN 109826911A CN 201811606247 A CN201811606247 A CN 201811606247A CN 109826911 A CN109826911 A CN 109826911A
Authority
CN
China
Prior art keywords
motor
tooth
input shaft
main
gear
Prior art date
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.)
Pending
Application number
CN201811606247.2A
Other languages
Chinese (zh)
Inventor
马存明
罗玉龙
周培良
景云勇
王祺
李相儒
于瑛冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Shenglong Automotive Powertrain System Co Ltd
Original Assignee
Ningbo Shenglong Automotive Powertrain System Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Shenglong Automotive Powertrain System Co Ltd filed Critical Ningbo Shenglong Automotive Powertrain System Co Ltd
Priority to CN201811606247.2A priority Critical patent/CN109826911A/en
Publication of CN109826911A publication Critical patent/CN109826911A/en
Pending legal-status Critical Current

Links

Landscapes

  • Structure Of Transmissions (AREA)

Abstract

The invention discloses a kind of unbroken two speed gears of coaxial-type bi-motor gear shift power, including the first power input mechanism, jackshaft and differential mechanism, first power input mechanism includes first motor, first motor is rotatably connected to the first input shaft, first input shaft lateral wall is rotatably connected to one grade of main tooth, one grade of main tooth is equipped with first far from first motor one end and combines gear ring, first input shaft lateral wall slidably connects a gearshift mechanism, jackshaft passes through final gear group transmission connection differential mechanism, first input shaft is rotatablely connected the second power input mechanism far from first power input mechanism one end lateral wall, second power input mechanism includes the second motor, second motor is rotatablely connected the second input shaft, second input shaft is equipped with two grades of main teeth away from second motor one end, two grades of main teeth are equipped with far from the second motor side can be with gearshift mechanism The second of gear connection combines gear ring.

Description

A kind of unbroken two speed gear of coaxial-type bi-motor gear shift power
Technical field
The invention belongs to pure electric vehicle transmission technology fields more particularly to a kind of coaxial-type bi-motor gear shift power not to interrupt Two speed gear.
Background technique
The wide popularization and application of new energy pure electric automobile brings new opportunities and challenges to orthodox car industry.
Single motor acceleration and deceleration device or bi-motor acceleration and deceleration are generallyd use on new energy pure electric vehicle passenger car on the market at present Device structure, in the commercially available extensive use of small passenger car, however large and medium-sized passenger car is proposed height to speed changer and motor Speed, large torque demand, high speed, high torque motor and transmission technology difficulty are larger at the same time, answer on large and medium-sized passenger car It is larger with retarder plus motor constructive difficulty.
Under the background that retarder plus electric machine structure constantly pursue the more high-revolving arms race of more large torque, extend list Motor adds common two speed transmission structure, and although common two speed transmission solves the problems, such as high speed, large torque, but two grades become Fast device gear shift power interruption is derived, and mainstream solution is to realize that presynchronization guarantees that gear shift is dynamic using double clutch construction Power is not interrupted, and this solves the above dynamic property, comfortableness problem, not can avoid double clutch construction low efficiency but, is continued Boat mileage falls sharply.Current battery technology does not have under the premise background of important breakthrough, and double-clutch type two speed transmission is difficult Wide popularization and application is obtained on passenger car.
Summary of the invention
It is better than retarder the technical problem to be solved by the invention is to provide a kind of dynamic property and adds electric machine structure, comfort It is better than common two speed transmission and adds electric machine structure, efficiency is higher than double clutch two speed transmission and adds electric machine structure, and by one grade The unbroken unbroken two speed transmission of bi-motor input power of power during shifting to two grades.
The present invention solves the above problems used technical solution are as follows: a kind of coaxial-type bi-motor gear shift power is unbroken Two speed gear, including the first power input mechanism, jackshaft and differential mechanism, the first power input mechanism include first motor, First motor is rotatably connected to the first input shaft, and the first input shaft lateral wall is rotatably connected to one grade of main tooth, and one grade of main tooth is separate First motor one end is equipped with first and combines gear ring, and the first input shaft lateral wall slidably connects one can be by the first input shaft and first In conjunction with the gearshift mechanism that gear ring gear connects, one grade of main tooth is connect with countershaft-gear, and jackshaft is passed by final gear group Dynamic connected with differential, the first input shaft are rotatablely connected the second power far from first power input mechanism one end lateral wall and input machine Structure, the second power input mechanism include the second motor, and the second motor is rotatablely connected the second input shaft, and the second input shaft deviates from second Motor one end is equipped with two grades of main teeth, and two grades of main teeth are equipped with the second knot that can be connect with gearshift mechanism gear far from the second motor side Gear ring is closed, two grades of main teeth are connect with countershaft-gear.
After using the above structure, the present invention has the advantage that with existing structure comparison
The unbroken two speed gear of one of the technical program coaxial-type bi-motor gear shift power is at two grades of tradition A set of power input mechanism has been added on the basis of speed changer;
Traditional two speed gear includes the first power input mechanism in the technical program, and the first power input mechanism Including first motor, first motor is rotatably connected to the first input shaft, and the first input shaft lateral wall is rotatably connected to one grade of main tooth, One grade of main tooth is equipped with first far from first motor one end and combines gear ring, and the first input shaft lateral wall slidably connects one can be by first The gearshift mechanism that input shaft is combined gear ring gear to connect with first, one grade of main tooth are connect with countershaft-gear, and jackshaft passes through master Train of reduction gears transmission connection differential mechanism;I.e. after the gear of gearshift mechanism is suspended to one grade by operator, gearshift mechanism Tooth set is connect with one grade of main tooth, and power is passed to the first input shaft from first motor at this time, the first input shaft by power pass through tooth hub, Tooth, which covers, is passed to one grade of main tooth, so that one grade of main tooth of driving is circumferentially rotated, will drive circumferential be set to when one grade of main tooth rotates One grade on jackshaft lateral wall rotates from tooth, so that jackshaft be driven to be circumferentially rotated, the rotation of jackshaft will drive again Circumferentially the main tooth of main deceleration of this and jackshaft lateral wall is rotated, and the rotation of the main main tooth that slows down drives the master being set on speed changer Deceleration is rotated from tooth, to be exported power by driving speed changer;The structure is motor power export structure, One grade of change, two grades of powershifts are carried out under this kind of structure and are easy to cause gear shift power interruption, are being grasped to largely effect on operator Comfort level during work;
The technical program is additionally arranged the second power input mechanism on the basis of traditional two speed gear, the technical program Second power input mechanism, which circumferentially rotates, is connected to the first input shaft far from first power input mechanism one end, in the technical program The second power input mechanism include include the second motor, the second motor is rotatably connected to the second input shaft, the second input shaft back Two grades of main teeth are equipped with from second motor one end, two grades of main teeth are rotationally connected with the first input shaft far from the by the second needle bearing One power input mechanism one end, two grades of main teeth are equipped with far from the second motor side and can be combined with second that gearshift mechanism is sequentially connected Gear ring, two grades of main teeth are connect with countershaft-gear;I.e. after the gear of gearshift mechanism is suspended to one grade by operator, gear shift knot The tooth set of structure is connect with one grade of main tooth, and power is passed to the first input shaft from first motor at this time, and the first input shaft passes through power Tooth hub, tooth, which cover, is passed to one grade of main tooth, so that one grade of main tooth of driving is circumferentially rotated, will drive circumferential direction when one grade of main tooth rotates One grade on jackshaft lateral wall rotates from tooth, so that jackshaft is driven to be circumferentially rotated, the rotation of jackshaft meeting again Circumferentially the main tooth of main deceleration of this and jackshaft lateral wall is rotated for drive, and the rotation of the main main tooth that slows down, which drives, to be set on speed changer Main deceleration rotated from tooth, to power be exported by driving speed changer, when the speed changer needs to adjust one grade When to two grades, the first motor of the first power input mechanism can reduce torque automatically, at the same time, in order to guarantee that the speed changer exists Power is not in interrupt in gearshift procedure, while first motor reduces torque, the second electricity of the second power input mechanism Machine increases torque, to guarantee that the torque total value of first motor and the second motor remains unchanged;Under the torque of first motor is continuous When being down to 0, tooth hub and the tooth set of gearshift mechanism completely disengage connection with one grade of main tooth and slide into neutral gear, the torsion of the second motor at this time The moment of torsion that first motor provides when square puts in the first speed with gearshift mechanism is same;Such as: the first torque is plus the total value of the second torque 200N.m, when operator hangs gear to one grade, tooth hub and tooth set are sequentially connected with the first main tooth completely, at this time the first electricity Machine provides the torque of 200N.m, and the second motor provides the torque of 0N.m, when speed changer needs gear fading to two grades from one grade When, first motor can be gradually reduced torque, and the second motor can be gradually increased torque, to guarantee first motor and the second motor Torque total value remains unchanged, i.e., when the torque of first motor is reduced to 150N.m, the torque of the second motor can extend to 50N.m, When the torque of first motor is reduced to 0N.m, when the torque of the second motor is improved to 200N.m, tooth set, the tooth hub of gearshift mechanism are complete It is disconnected entirely with one grade of main tooth and slides into neutral gear;Due to existing centainly between the first input shaft and the second input shaft at this time Rotational speed difference, therefore gearshift mechanism can not be adjusted to two grades, so when need to adjust the revolving speed of first motor so that first Revolving speed between input shaft and the second input shaft is consistent, and at this time can be adjusted gearshift mechanism to two grades, i.e. gear shift at this time Tooth set, tooth hub and the two grades of main teeth of structure are sequentially connected, and shift to two grades for one grade when power is not interrupted to realize Process, and the torque increase of first motor realizes the power coupling with two grades.
The technical program is compared with the prior art, comprising: power does not interrupt in gearshift procedure;It is avoided in gear shift speed regulation process Rotational speed difference, reduces shifting shock;One grade and two grades of power coupling takes full advantage of bi-motor performance in the technical program, It is unlikely to another motor to be used purely for preventing gear shift power from not interrupting.
As a kind of preferred: gearshift mechanism, which slides laterally, to be connected on the first input shaft lateral wall, and gearshift mechanism includes set Set on the tooth hub of the first input shaft lateral wall, tooth hub lateral wall, which is equipped with, to be combined gear ring or the second combination gear ring gear to connect with first The tooth set connect;The combination of tooth hub and tooth set ensure that the speed changer speed change be not in skidding the phenomenon that, ensure that entire The stability of gearshift mechanism.
As a kind of preferred: one grade of main tooth inner sidewall and the first input shaft lateral wall are connected by the rotation of the first needle bearing It connects, jackshaft lateral wall is circumferentially with can carry out one grade of gear connection from tooth with one grade of main tooth;One grade of main tooth and one grade are from tooth Between gear connecting way ensure that when one grade of main tooth is circumferentially rotated, one grade from tooth can effectively drive jackshaft into Row circumferentially rotates.
As a kind of preferred: two grades of main tooth inner sidewalls and the first input shaft are far from first power input mechanism one end lateral wall It is rotatablely connected by the second needle bearing, jackshaft lateral wall is equipped with from tooth side far from one grade and can carry out gear with two grades of main teeth Two grades of connection are from tooth;What two grades of main tooth centers were inserted into for the first input shaft far from first power input mechanism one end equipped with one First blind hole is equipped with facilitate that two grades of main teeth are circumferentially rotated the between the first blind hole inner sidewall and the first input shaft lateral wall Two roller bearings, two grades of main teeth and two grades make from the gear fit structure between tooth when two grades of main teeth are in the band of the second input shaft When being circumferentially rotated under dynamic, the second main tooth can drive second to be circumferentially rotated from tooth, to complete the input of the second power The power input process of mechanism.
As a kind of preferred: final gear group includes the main tooth of main deceleration for being rotationally connected with jackshaft lateral wall, differential Device lateral wall is equipped with can be with the main main deceleration that main gear be connect of slowing down from tooth.
As a kind of preferred: the second motor is rotatablely connected the second input shaft, and the second input shaft is solid far from second motor one end Surely two grades of main teeth are connected, the second main tooth center, which is equipped with, is inserted into the first blind hole far from first motor one end for the first input shaft, and The second rolling for facilitating two grades of main teeth to circumferentially rotate on the first input shaft lateral wall is equipped between first blind hole and the first input shaft Needle bearing;Two grades of main tooth centers be equipped with one be inserted into for the first input shaft far from first power input mechanism one end it is first blind Hole is equipped with the second roller bearing for facilitating two grades of main teeth to be circumferentially rotated between the first blind hole inner sidewall and the first input shaft lateral wall Bearing, two grades of main teeth and two grades from the gear fit structure between tooth make when two grades of main teeth under the drive of the second input shaft into When row circumferentially rotates, the second main tooth can drive second to be circumferentially rotated from tooth, to complete the second power input mechanism Power input process.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the unbroken two speed gear of coaxial-type bi-motor gear shift power of the invention.
In figure, the 1, first power input mechanism, 2, jackshaft, 3, differential mechanism, 4, final gear group, the 5, second power is defeated Enter mechanism, 101, first motor, the 102, first input shaft, 103, one grades of main teeth, 104, first combines gear ring, 105, gear shift knot Structure, the 106, first needle bearing, the 107, second needle bearing, 201, one grades from tooth, 202, two grades from tooth, 301, it is main slow down from Tooth, the 501, second motor, the 502, second input shaft, the 503, second main tooth, 504, second combine gear ring, the 505, first blind hole, 1051, tooth hub, 1052, tooth set.
Specific embodiment
It explains with reference to the accompanying drawing to a kind of specific embodiment of the invention.
Embodiment 1: the technical program is additionally arranged the second power input mechanism, this skill on the basis of traditional two speed gear Second power input mechanism of art scheme, which circumferentially rotates, is connected to the first input shaft far from first power input mechanism one end, this skill The second power input mechanism in art scheme include include the second motor, the second motor is rotatably connected to the second input shaft, second Input shaft is equipped with two grades of main teeth away from second motor one end, and two grades of main teeth are rotationally connected with the first input by the second needle bearing For axis far from first power input mechanism one end, two grades of main teeth are equipped with far from the second motor side can be with gearshift mechanism transmission connection Second combines gear ring, and two grades of main teeth are connect with countershaft-gear;I.e. when operator by the gear of gearshift mechanism be suspended to one grade it Afterwards, the tooth set of gearshift mechanism is connect with one grade of main tooth, and power is passed to the first input shaft from first motor at this time, and the first input shaft will Power is covered by tooth hub, tooth is passed to one grade of main tooth, so that one grade of main tooth of driving is circumferentially rotated, the meeting when one grade of main tooth rotates Circumferential one grade be set on jackshaft lateral wall is driven to rotate from tooth, so that jackshaft is driven to be circumferentially rotated, jackshaft Rotation will drive the circumferentially main tooth of main deceleration of this and jackshaft lateral wall again and be rotated, and the rotation drive of the main main tooth that slows down is set to Main deceleration on speed changer is rotated from tooth, to be exported power by driving speed changer, when the speed changer needs When being adjusted to two grades for one grade, the first motor of the first power input mechanism can reduce torque automatically, at the same time, in order to guarantee this Speed changer power in gearshift procedure is not in interrupt, while first motor reduces torque, the second power input mechanism The second motor increase torque, to guarantee that the torque total value of first motor and the second motor remains unchanged;When the torsion of first motor When square progressively decreases to 0, the tooth hub and tooth of gearshift mechanism set completely disengage connection with one grade of main tooth and slide into neutral gear, and at this time second The moment of torsion that first motor provides when the torque of motor puts in the first speed with gearshift mechanism is same;Such as: the first torque adds the second torque Total value be 200N.m, when operator hangs gear to one grade, tooth hub and tooth set are sequentially connected with the first main tooth completely, this When first motor provide 200N.m torque, and the second motor provide 0N.m torque, when speed changer is needed gear from one grade When fading to two grades, first motor can be gradually reduced torque, and the second motor can be gradually increased torque, to guarantee first motor and The torque total value of two motors remains unchanged, i.e., when the torque of first motor is reduced to 150N.m, the torque of the second motor can be stretched To 50N.m, when the torque of first motor is reduced to 0N.m, when the torque of the second motor is improved to 200N.m, the tooth of gearshift mechanism Set, tooth hub are disconnected with one grade of main tooth completely and slide into neutral gear;Due at this time between the first input shaft and the second input shaft There are certain rotational speed differences, therefore can not adjust gearshift mechanism to two grades, so when need to adjust the revolving speed of first motor, from And the revolving speed between the first input shaft and the second input shaft is consistent, gearshift mechanism can be adjusted at this time to two grades, I.e. the tooth set of gearshift mechanism, tooth hub and two grades of main teeth are sequentially connected at this time, to realize one grade when power is not interrupted Two grades of process is shifted to, and the torque increase of first motor realizes the power coupling with two grades.
Embodiment 2: when gearshift mechanism hangs shelves at one grade, in the state of the first power input mechanism normal driving, the Two power input mechanisms can also carry out power input, at this time the second power input mechanism power input process are as follows: the second motor will Kinetic force is transferred to the second input shaft to drive the second input shaft to be circumferentially rotated, and two grades of main teeth and the second input shaft are Fixed connection structure, therefore when the second input shaft is circumferentially rotated, two grades of main teeth also can due to the rotation of the second input shaft into Row circumferentially rotates, and two grades of main teeth will drive two grades and be circumferentially rotated from tooth, and two grades are set to jackshaft from tooth to be circumferentially fixed On lateral wall, therefore power can be transmitted to the main main tooth of slowing down by jackshaft when being circumferentially rotated from tooth for two grades, and main deceleration Power can be gone out to slow down from tooth progress power output by main tooth by speed changer again;To complete the first power input mechanism and the Power coupling between two power input mechanisms.
Embodiment 3: when the speed changer of the technical program is needed gear from when fading to one grade for two grades, first motor can be reduced Torque, the second motor will increase torque, when the torque of first motor is reduced to 0, the gearshift mechanism of the first output shaft lateral wall It hangs to neutral gear, adjusts the revolving speed of first motor at this time, until the revolving speed of first motor is consistent with the revolving speed of one grade of main tooth, change at this time The tooth set of mark structure can be sequentially connected with one grade of main tooth, to realize the speed changer from two grades to one grade of gear shift Journey.
The technical program is compared with the prior art, comprising: gear shift power does not interrupt;Revolving speed is avoided in gear shift speed regulation process Difference reduces shifting shock;One grade and two grades of power coupling takes full advantage of bi-motor performance in the technical program, is unlikely to Another motor is used purely for preventing gear shift power from not interrupting.
Referring to Fig. 1, the present invention solves the above problems used technical solution are as follows: a kind of coaxial-type bi-motor gear shift power Unbroken two speed gear, including the first power input mechanism 1, jackshaft 2 and differential mechanism 3, the first power input mechanism 1 packet First motor 101 is included, first motor 101 is rotatably connected to the first input shaft 102, the rotation connection of 102 lateral wall of the first input shaft There is one grade of main tooth 103, one grade of main tooth 103 is equipped with first far from 101 one end of first motor and combines gear ring 104, the first input shaft 102 Lateral wall slidably connects a gearshift mechanism 105 that gear ring 104 can be combined to be sequentially connected with first first input shaft 102, and one The main tooth 103 of shelves is connect with 2 gear of jackshaft, and jackshaft 2 passes through the transmission connection differential mechanism 3 of final gear group 4, the first input shaft 102 are rotatablely connected the second power input mechanism 5, the second power input mechanism 5 far from 1 one end lateral wall of the first power input mechanism Including the second motor 501, the second motor 501 is rotatablely connected the second input shaft 502, and the second input shaft 502 deviates from the second motor 501 One end is equipped with two grades of main teeth 503, and two grades of main teeth 503 are equipped with far from 501 side of the second motor and can be sequentially connected with gearshift mechanism 105 Second combine gear ring 504, two grades of main teeth 503 connect with 2 gear of jackshaft.
After using the above structure, the present invention has the advantage that with existing structure comparison
The unbroken two speed gear of one of the technical program coaxial-type bi-motor gear shift power is at two grades of tradition A set of power input mechanism has been added on the basis of speed changer;
Traditional two speed gear includes the first power input mechanism in the technical program, and the first power input mechanism Including first motor, first motor is rotatably connected to the first input shaft, and the first input shaft lateral wall is rotatably connected to one grade of main tooth, One grade of main tooth is equipped with first far from first motor one end and combines gear ring, and the first input shaft lateral wall slidably connects one can be by first The gearshift mechanism that input shaft is combined gear ring gear to connect with first, one grade of main tooth are connect with countershaft-gear, and jackshaft passes through master Train of reduction gears transmission connection differential mechanism;I.e. after the gear of gearshift mechanism is suspended to one grade by operator, gearshift mechanism Tooth set is connect with one grade of main tooth, and power is passed to the first input shaft from first motor at this time, the first input shaft by power pass through tooth hub, Tooth, which covers, is passed to one grade of main tooth, so that one grade of main tooth of driving is circumferentially rotated, will drive circumferential be set to when one grade of main tooth rotates One grade on jackshaft lateral wall rotates from tooth, so that jackshaft be driven to be circumferentially rotated, the rotation of jackshaft will drive again Circumferentially the main tooth of main deceleration of this and jackshaft lateral wall is rotated, and the rotation of the main main tooth that slows down drives the master being set on speed changer Deceleration is rotated from tooth, to be exported power by driving speed changer;The structure is motor power export structure, One grade of change, two grades of powershifts are carried out under this kind of structure and are easy to cause gear shift power interruption, are being grasped to largely effect on operator Comfort level during work;
The technical program is additionally arranged the second power input mechanism on the basis of traditional two speed gear, the technical program Second power input mechanism, which circumferentially rotates, is connected to the first input shaft far from first power input mechanism one end, in the technical program The second power input mechanism include include the second motor, the second motor is rotatably connected to the second input shaft, the second input shaft back Two grades of main teeth are equipped with from second motor one end, two grades of main teeth are rotationally connected with the first input shaft far from the by the second needle bearing One power input mechanism one end, two grades of main teeth are equipped with far from the second motor side and can be combined with second that gearshift mechanism is sequentially connected Gear ring, two grades of main teeth are connect with countershaft-gear;I.e. after the gear of gearshift mechanism is suspended to one grade by operator, gear shift knot The tooth set of structure is connect with one grade of main tooth, and power is passed to the first input shaft from first motor at this time, and the first input shaft passes through power Tooth hub, tooth, which cover, is passed to one grade of main tooth, so that one grade of main tooth of driving is circumferentially rotated, will drive circumferential direction when one grade of main tooth rotates One grade on jackshaft lateral wall rotates from tooth, so that jackshaft is driven to be circumferentially rotated, the rotation of jackshaft meeting again Circumferentially the main tooth of main deceleration of this and jackshaft lateral wall is rotated for drive, and the rotation of the main main tooth that slows down, which drives, to be set on speed changer Main deceleration rotated from tooth, to power be exported by driving speed changer, when the speed changer needs to adjust one grade When to two grades, the first motor of the first power input mechanism can reduce torque automatically, at the same time, in order to guarantee that the speed changer exists Power is not in interrupt in gearshift procedure, while first motor reduces torque, the second electricity of the second power input mechanism Machine increases torque, to guarantee that the torque total value of first motor and the second motor remains unchanged;Under the torque of first motor is continuous When being down to 0, tooth hub and the tooth set of gearshift mechanism completely disengage connection with one grade of main tooth and slide into neutral gear, the torsion of the second motor at this time The moment of torsion that first motor provides when square puts in the first speed with gearshift mechanism is same;Such as: the first torque is plus the total value of the second torque 200N.m, when operator hangs gear to one grade, tooth hub and tooth set are sequentially connected with the first main tooth completely, at this time the first electricity Machine provides the torque of 200N.m, and the second motor provides the torque of 0N.m, when speed changer needs gear fading to two grades from one grade When, first motor can be gradually reduced torque, and the second motor can be gradually increased torque, to guarantee first motor and the second motor Torque total value remains unchanged, i.e., when the torque of first motor is reduced to 150N.m, the torque of the second motor can extend to 50N.m, When the torque of first motor is reduced to 0N.m, when the torque of the second motor is improved to 200N.m, tooth set, the tooth hub of gearshift mechanism are complete It is disconnected entirely with one grade of main tooth and slides into neutral gear;Due to existing centainly between the first input shaft and the second input shaft at this time Rotational speed difference, therefore gearshift mechanism can not be adjusted to two grades, so when need to adjust the revolving speed of first motor so that first Revolving speed between input shaft and the second input shaft is consistent, and at this time can be adjusted gearshift mechanism to two grades, i.e. gear shift at this time Tooth set, tooth hub and the two grades of main teeth of structure are sequentially connected, and shift to two grades for one grade when power is not interrupted to realize Process, and the torque increase of first motor realizes the power coupling with two grades.
As a kind of preferred: gearshift mechanism 105, which slides laterally, to be connected on 102 lateral wall of the first input shaft, gearshift mechanism 105 include the tooth hub 1051 for being sheathed on 102 lateral wall of the first input shaft, and 1051 lateral wall of tooth hub, which is equipped with, to be combined gear ring with first 104 or second combine 504 gear of gear ring connection tooth set 1052;The combination of tooth hub and tooth set ensure that the speed changer is in speed change The phenomenon that being not in skidding, ensure that the stability of entire gearshift mechanism.
As a kind of preferred: one grade of main 103 inner sidewall of tooth and 102 lateral wall of the first input shaft pass through the first needle bearing 106 rotation connections, 2 lateral wall of jackshaft is circumferentially with can carry out one grade of gear connection from tooth 201 with one grade of main tooth 103;One The main tooth of shelves and one grade ensure that from the gear connecting way between tooth when one grade of main tooth is circumferentially rotated, and one grade can be with from tooth Effectively jackshaft is driven to be circumferentially rotated.
As a kind of preferred: two grades of main 503 inner sidewalls of tooth and the first input shaft 102 are far from the first power input mechanism 1 one Hold lateral wall to be rotatablely connected by the second needle bearing 107,2 lateral wall of jackshaft far from one grade from 201 side of tooth equipped with can be with Two grades of main teeth 503 carry out two grades of gear connection from tooth 202;Two grades of main tooth centers are equipped with one for the first input shaft far from first First blind hole of power input mechanism one end insertion, is equipped between the first blind hole inner sidewall and the first input shaft lateral wall and facilitates two The second roller bearing that the main tooth of shelves is circumferentially rotated, two grades of main teeth and two grades make from the gear fit structure between tooth when two When the main tooth of shelves is circumferentially rotated under the drive of the second input shaft, the second main tooth can drive second to carry out circumferential turn from tooth It is dynamic, to complete the power input process of the second power input mechanism.
As a kind of preferred: final gear group 4 includes the main tooth 401 of main deceleration for being rotationally connected with 2 lateral wall of jackshaft, 3 lateral wall of differential mechanism is equipped with can be with the main main deceleration that main 401 gear of tooth be connect of slowing down from tooth 301.
As a kind of preferred: the second motor 501 is rotatablely connected the second input shaft 502, and the second input shaft 502 is far from the second electricity 501 one end of machine is fixedly connected with two grades of main teeth 503, and the second main 503 center of tooth is equipped with for the first input shaft 102 far from first motor The first blind hole 505 is inserted into 101 one end, and is equipped between the first blind hole 505 and the first input shaft 102 and two grades of main teeth 503 is facilitated to exist The second needle bearing 107 circumferentially rotated on first input shaft, 102 lateral wall;Two grades of main tooth centers are equipped with one for the first input The first blind hole that axis is inserted into far from first power input mechanism one end, between the first blind hole inner sidewall and the first input shaft lateral wall Equipped with the second roller bearing for facilitating two grades of main teeth to be circumferentially rotated, two grades of main teeth and two grades cooperate knot from the gear between tooth Structure makes when two grades of main teeth are circumferentially rotated under the drive of the second input shaft, the second main tooth can drive second from tooth into Row circumferentially rotates, to complete the power input process of the second power input mechanism.

Claims (6)

1. a kind of unbroken two speed gear of coaxial-type bi-motor gear shift power, including the first power input mechanism (1), centre Axis (2) and differential mechanism (3), first power input mechanism (1) include first motor (101), and the first motor (101) turns Dynamic to be connected with the first input shaft (102), the first input shaft (102) lateral wall is rotatably connected to one grade of main tooth (103), and described one grade Main tooth (103) is equipped with first far from first motor (101) one end and combines gear ring (104), the first input shaft (102) lateral wall Slidably connect a gearshift mechanism (105) that gear ring (104) can be combined to be sequentially connected with first first input shaft (102), institute It states one grade of main tooth (103) to connect with jackshaft (2) gear, it is poor that the jackshaft (2) is sequentially connected by final gear group (4) Fast device (3), it is characterised in that: first input shaft (102) connects far from the rotation of the first power input mechanism (1) one end lateral wall It connects the second power input mechanism (5), second power input mechanism (5) includes the second motor (501), second motor (501) the second input shaft (502) are rotatablely connected, second input shaft (502) is equipped with two grades away from the second motor (501) one end Main tooth (503), two grades of main teeth (503) are equipped with far from the second motor (501) side and can be sequentially connected with gearshift mechanism (105) Second combine gear ring (504), two grades of main teeth (503) connect with jackshaft (2) gear.
2. a kind of unbroken two speed gear of coaxial-type bi-motor gear shift power according to claim 1, feature exist In: the gearshift mechanism (105), which slides laterally, to be connected on the first input shaft (102) lateral wall, gearshift mechanism (105) packet The tooth hub (1051) for being sheathed on the first input shaft (102) lateral wall is included, tooth hub (1051) lateral wall is equipped with can be with the first knot Close the tooth set (1052) of gear ring (104) or the second combination gear ring (504) gear connection.
3. a kind of unbroken two speed gear of coaxial-type bi-motor gear shift power according to claim 1, feature exist In: one grade of main tooth (103) inner sidewall and the first input shaft (102) lateral wall pass through the first needle bearing (106) rotation company It connects, jackshaft (2) lateral wall is circumferentially with can carry out one grade of gear connection from tooth (201) with one grade of main tooth (103).
4. a kind of unbroken two speed gear of coaxial-type bi-motor gear shift power according to claim 1, feature exist In: two grades of main tooth (503) inner sidewalls and the first input shaft (102) are far from the first power input mechanism (1) one end lateral wall It is rotatablely connected by the second needle bearing (107), jackshaft (2) lateral wall is equipped with far from one grade from tooth (201) side can Two grades of gear connection are carried out from tooth (202) with two grades of main teeth (503).
5. a kind of unbroken two speed gear of coaxial-type bi-motor gear shift power according to claim 1, feature exist In: the final gear group (4) includes the main tooth of main deceleration (401) for being rotationally connected with jackshaft (2) lateral wall, the differential Device (3) lateral wall is equipped with can be with the main main deceleration that main tooth (401) gear be connect of slowing down from tooth (301).
6. a kind of unbroken two speed gear of coaxial-type bi-motor gear shift power according to claim 4, feature exist In: second motor (501) is rotatablely connected the second input shaft (502), and second input shaft (502) is far from the second motor (501) one end is fixedly connected with two grades of main teeth (503), and second main tooth (503) center is equipped with remote for the first input shaft (102) The first blind hole (505) are inserted into from first motor (101) one end, and between first blind hole (505) and the first input shaft (102) Equipped with the second needle bearing (107) for facilitating two grades of main teeth (503) to circumferentially rotate on the first input shaft (102) lateral wall.
CN201811606247.2A 2018-12-27 2018-12-27 A kind of unbroken two speed gear of coaxial-type bi-motor gear shift power Pending CN109826911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811606247.2A CN109826911A (en) 2018-12-27 2018-12-27 A kind of unbroken two speed gear of coaxial-type bi-motor gear shift power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811606247.2A CN109826911A (en) 2018-12-27 2018-12-27 A kind of unbroken two speed gear of coaxial-type bi-motor gear shift power

Publications (1)

Publication Number Publication Date
CN109826911A true CN109826911A (en) 2019-05-31

Family

ID=66861296

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811606247.2A Pending CN109826911A (en) 2018-12-27 2018-12-27 A kind of unbroken two speed gear of coaxial-type bi-motor gear shift power

Country Status (1)

Country Link
CN (1) CN109826911A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116923088A (en) * 2023-09-19 2023-10-24 吉孚汽车技术(苏州)有限公司 Dual-motor two-gear variable speed driving device and torque distribution control method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105644335A (en) * 2014-11-14 2016-06-08 上海汽车集团股份有限公司 Dual-motor power system and dual-motor hybrid power system for vehicle
CN106274460A (en) * 2015-05-29 2017-01-04 上海汽车集团股份有限公司 The electricity of dual-motor electric vehicle drives controller of gear-boxes and method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105644335A (en) * 2014-11-14 2016-06-08 上海汽车集团股份有限公司 Dual-motor power system and dual-motor hybrid power system for vehicle
CN106274460A (en) * 2015-05-29 2017-01-04 上海汽车集团股份有限公司 The electricity of dual-motor electric vehicle drives controller of gear-boxes and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116923088A (en) * 2023-09-19 2023-10-24 吉孚汽车技术(苏州)有限公司 Dual-motor two-gear variable speed driving device and torque distribution control method
CN116923088B (en) * 2023-09-19 2023-12-12 吉孚汽车技术(苏州)有限公司 Dual-motor two-gear variable speed driving device and torque distribution control method

Similar Documents

Publication Publication Date Title
JP6352990B2 (en) Power transmission device
CN106321744B (en) The electronic automobile-used bi-motor two of one kind keeping off gearbox and its shift control method
CN106195194B (en) A kind of electric drive axle system and its control method based on two-gear transmission
CN207809033U (en) Hybrid electric drive system and vehicle
CN207809032U (en) Hybrid electric drive system and vehicle
CN207049266U (en) A kind of electric drive axle system based on double-clutch automatic gearbox
WO2020125465A1 (en) Multi-mode electromechanical coupling transmission device having two motors and two planetary gear sets
CN205997708U (en) A kind of electric drive axle system based on single planetary row two shift transmission
CN110259893A (en) A kind of automatic transmission drive train system and automobile
CN106314136B (en) A kind of electric drive axle system and its control method based on the shift transmission of single planetary row two
CN108099577B (en) Hybrid power system using multimode power coupling device
CN209725118U (en) A kind of unbroken two speed gear of coaxial-type bi-motor shifting power
CN109263460B (en) Hybrid power transmission system, control method and automobile
CN209725119U (en) A kind of different unbroken two speed gear of shaft type bi-motor shifting power
CN109826911A (en) A kind of unbroken two speed gear of coaxial-type bi-motor gear shift power
CN106585361B (en) Power assembly of hybrid electric vehicle
CN108099594B (en) Dual-motor multimode pure electric system
WO2019227815A1 (en) Hybrid power drive system
CN109882553A (en) A kind of unbroken two speed gear of different shaft type bi-motor gear shift power
CN109334443A (en) The arm-type double planet wheel rows of mixing driving device of automobile corotation
CN207433246U (en) Pure electric automobile dual-motor drive system
CN207514163U (en) A kind of horizontal vehicle traction assembly
CN205311322U (en) Control structure based on single file star row
JP5465157B2 (en) Vehicle driving force control device
CN107314087A (en) A kind of electric drive axle system and its control method based on double-clutch automatic gearbox

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination