CN202608560U - Electromobile power assembly - Google Patents
Electromobile power assembly Download PDFInfo
- Publication number
- CN202608560U CN202608560U CN 201220128362 CN201220128362U CN202608560U CN 202608560 U CN202608560 U CN 202608560U CN 201220128362 CN201220128362 CN 201220128362 CN 201220128362 U CN201220128362 U CN 201220128362U CN 202608560 U CN202608560 U CN 202608560U
- Authority
- CN
- China
- Prior art keywords
- external
- tooth
- cover
- internal tooth
- external tooth
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Retarders (AREA)
Abstract
An electromobile power assembly comprises a gearbox casing. A bearing in the gearbox casing is connected with a differential device which is connected with two semi-shafts, a motor is connected onto the gearbox casing, a rotor spindle of the motor is tubular and sleeved outside the semi-shafts, a rotor spindle inner tooth is manufactured on an end head of the rotor spindle, a first outer tooth sleeve is sleeved outside the semi-shafts, one end of the first outer tooth sleeve is meshed with the rotor spindle inner tooth, an inner tooth connection sleeve is sleeved on the outside of the middle portion of the first outer tooth sleeve in a interference fit mode, a third bearing is arranged between the inner tooth connection sleeve and a lateral cover of the gearbox casing, the other end of the first outer tooth sleeve is meshed with a driving gear, an inner tooth is arranged in an inner hole of the driving gear, and the driving gear is sleeved at one end of a second outer tooth sleeve in an interference mode, the second outer tooth sleeve is sleeved on a support shaft, one end of the support shaft is fixedly connected with a lateral cover of the gearbox casing, the other end of the second outer tooth sleeve is meshed with a right inner tooth on one side of a ring gear, and the other side of the ring gear is connected with a casing of the differential device. The gearbox casing is high in accuracy, easy to assemble, stable in operation, small in noise and long in service life.
Description
Technical field
The utility model relates to a kind of dynamic assembly, particularly a kind of electric vehicle dynamic assembly.
Background technology
Application number is that 201110327154.8 application for a patent for invention discloses a kind of electric vehicle dynamic assembly; Its structure is following: comprise gear box; In gear box, be connected with differential casing through bearing; Be that differential casing can rotate with respect to change speed gear box in the casing of change speed gear box, the differential parts are installed in differential casing, the differential parts are connected with left half axle that stretches out to the left and the right axle shaft that stretches out to the right.On the side cover of gear box, be fixedly connected with drive motor, the rotor shaft of drive motor in a tubular form and be enclosed within the semiaxis outside of this side.Between rotor shaft and differential casing, be provided with transmission device; The structure of this transmission device is: the outside, termination of rotor shaft is processed with spline, and the endoporus of external tooth cover is processed with spline, through this spline external tooth cover is sleeved on the rotor shaft; Tooth on the external tooth cover excircle is meshed with big gear wheel; Big gear wheel is sleeved on the pivot shaft, and pivot shaft one end is fixed on the side cover of change speed gear box, and miniature gears and big gear wheel are structure as a whole and form the cone pulley shape; Miniature gears is meshed with internally toothed annulus, is connected through spline between internally toothed annulus and the differential casing.Wherein pivot shaft and cone pulley are three groups, along the circumferential direction rectangular distribution.The back axle that during installation mission case is fixedly connected on chassis with (or) in the mounting groove on the propons, two semiaxis terminations are connected with wheel.Drive motor drives differential casing through transmission device and rotates, and has driven two semiaxis simultaneously and has rotated, and reaches the purpose of vehicle operating, turns to or during Uneven road, the wheel of both sides can be adjusted through diff voluntarily.The battery-driven car dynamic assembly of this structure has following shortcoming: the cone pulley in the transmission device is structure as a whole, and each Transmission is promptly respectively organized gear and must be adopted the gear shaping mode to process with each group spline, and this mainly is due to its structure; Working accuracy is relatively low, and because of carrying out roll flute processing again behind the structure design constraint carburizing and quenching, the gear shifting quadrant texturing problem can't solve; Cause precision low, preferably can only be controlled at the 8-9 class precision, maximum shortcoming is that the big miniature gears angle of three pairs of cone pulleys can't guarantee unitarity; Cause the assembling difficulty, even can't assemble, the engagement of respectively organizing cone pulley and internally toothed annulus after the assembling is inharmonious each other; Produce stress, not only noise is big during running, and vibration is severe; Inconsistent because of angle, three little teeth of cone pulley and internally toothed annulus can't guarantee whole engagements, are easy to broken teeth during the place in operation running.
Summary of the invention
The purpose of the utility model provide a kind of each drive disk assembly can adopt after the heat be behind the carburizing and quenching roll flute mode process, improve working accuracy, assembling easily, each drive disk assembly of assembling back do not produce stress each other, operates steadily, noise is little, the battery-driven car dynamic assembly of long service life, overcomes the deficiency of prior art.
The battery-driven car dynamic assembly of the utility model; Comprise gear box, in gear box, be connected with differential casing, the differential parts are installed in differential casing through the 5th bearing; The differential parts are connected with left half axle that stretches out to the left and the right axle shaft that stretches out to the right; On the side cover of gear box, be fixedly connected with drive motor, the rotor shaft of drive motor in a tubular form and be enclosed within the semiaxis outside of this side is provided with transmission device between rotor shaft and differential casing; The structure of described transmission device is: the end machining of rotor shaft has the rotor shaft internal tooth; First external tooth cover is sleeved on the semiaxis outside; One end of first external tooth cover is meshed with described rotor shaft internal tooth, and the outside, middle part of first external tooth cover is set with the internal tooth adapter sleeve through interference fit, is provided with third axle between internal tooth adapter sleeve and the gear box side cover and holds; The other end of first external tooth cover is meshed with tooth on the driven wheel excircle; The endoporus of driven wheel has internal tooth and engage sleeves to be contained in an end of second external tooth cover, and second external tooth cover is sleeved on the pivot shaft, captives joint between an end of pivot shaft and the side cover of change speed gear box; The other end of second external tooth cover is meshed with the right internal tooth of internally toothed annulus one side, and the opposite side of internally toothed annulus is connected with described differential casing.
The battery-driven car dynamic assembly of the utility model; Connection mode between wherein said internally toothed annulus and the differential casing is: on differential casing, be processed with external gear; Be processed with the left internal tooth that matches with this external gear on the internally toothed annulus; Internally toothed annulus is contained on the external gear on the differential casing through left internal tooth casing, and the number of teeth of left internal tooth and this external gear equates.
The battery-driven car dynamic assembly of the utility model, the other end of wherein said pivot shaft is captiveed joint with stay bearing plate, is provided with the 4th bearing between stay bearing plate and the diff shell.
The battery-driven car dynamic assembly of the utility model is provided with needle bearing between wherein said second external tooth cover and the pivot shaft.
The battery-driven car dynamic assembly of the utility model owing to adopted the power delivery mode of two external tooth covers, has been cancelled cone pulley Transmission and spline structure; Make whole drive disk assemblies all can adopt the roll flute mode to process, promptly each external tooth can precisely be located grinding-shaping behind the carburizing and quenching, does not have the inconsistent situation of circumference upper angle; Working accuracy and assembly precision have been improved greatly, assembling more easily, unstressed generation between each parts of assembling back; Gear meshing is harmonious each other, operates steadily friction; Noise is little, long service life.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment;
Fig. 2 is the structural representation of first external tooth cover shown in Fig. 1;
Fig. 3 is that scheme drawing is looked on the right side shown in Figure 2;
Fig. 4 is the structural representation of the internally toothed annulus shown in Fig. 1;
Fig. 5 is the structural representation of second external tooth cover shown in Fig. 1;
Fig. 6 is that scheme drawing is looked on the right side shown in Figure 5.
The specific embodiment
Like Fig. 1,2,3, shown in 4: gear box comprises gear-box case 2, and the left end of gear-box case 2 is connected with change speed gear box left side lid 28 through bolt, and right-hand member is connected with the right lid 11 of change speed gear box through bolt.
27 is the differential left housing, and 4 is the differential right casing body, passes through tie bolt 24 captive joints between differential left housing 27 and the differential right casing body 4.Through screw retention support sleeve 1 is arranged in gear-box case 2 inboards, between support sleeve 1 and differential casing, be provided with the 5th bearing 23, and through screw retention baffle ring 3 is arranged, be used for axial limiting the 5th bearing 23 outer rings in the side of support sleeve 1.Between differential left housing 27 and change speed gear box left side lid 28, be provided with the 6th bearing 25.In differential casing, be provided with the differential parts, the differential parts are connected with left half axle 26 that stretches out to the left and the right axle shaft 17 that stretches out to the right.
The right-hand member of motor housing 14 and motor bonnet 16 are connected through bolt; The left end of motor housing 14 and motor protecgulum 20 are connected through bolt; Form the housing of drive motor, the rotor shaft 15 of drive motor is installed in motor protecgulum 20 and motor bonnet 16 central hole through the clutch shaft bearing 18 and second bearing 19.Motor protecgulum 20 is connected through bolt between covering 11 with change speed gear box is right.Rotor shaft 15 is sleeved on right axle shaft 17 outsides in a tubular form.
Between rotor shaft 15 and differential casing, transmission device is arranged, the concrete structure of this transmission device is following: the left end of rotor shaft 15 is processed with endoporus, on the sidewall of endoporus, is processed with rotor shaft internal tooth 13.12 is first external tooth cover; Its outside face axially is processed with elongated external tooth, and the left part external diameter forms step-like (referring to Fig. 2,3) greater than the external diameter of middle part and right part; First external tooth cover 12 is sleeved on right axle shaft 17 outsides; The right part of first external tooth cover 12 is meshed with rotor shaft internal tooth 13, and promptly the right part of first external tooth cover 12 inserts in the rotor shaft internal tooth 13, and the number of teeth equates.
The outside, middle part of first external tooth cover 12 is set with internal tooth adapter sleeve 10 through interference fit; Be that the endoporus of internal tooth adapter sleeve 10 is processed with the internal tooth and the number of teeth that match with first external tooth cover 12 and equates; Internal tooth and external tooth are the running clearance interference fit, form a fixed connection behind the suit.Be provided with third axle between the right lid 11 of internal tooth adapter sleeve 10 and change speed gear box and hold 21.
The external tooth of first external tooth cover, 12 left parts is meshed with tooth on driven wheel 9 excircles; The endoporus of driven wheel 9 is processed with internal tooth and is sleeved on the right part of second external tooth cover 7 through transition fit mode or interference fit; The outside face of second external tooth cover 7 axially is processed with elongated external tooth; The left part external diameter is greater than the external diameter of right part; Form step-like (referring to Fig. 5,6), the external tooth in the internal tooth of drive wheel 9 endoporus and second external tooth cover, 7 outsides is running clearance transition fit or interference fit, forms seamless connectivity behind the suit.The internal tooth of drive wheel 9 endoporus is identical with the external tooth number of teeth in second external tooth cover, 7 outsides.Second external tooth cover 7 is sleeved on the pivot shaft 8, is provided with needle bearing between second external tooth cover 7 and the pivot shaft 8.The right-hand member of pivot shaft 8 is connected through bolt between covering 11 with change speed gear box is right.The left end of pivot shaft 8 and stay bearing plate 5 are connected through bolt, are provided with the 4th bearing 22 between stay bearing plate 5 and the differential right casing 4.The left part of second external tooth cover 7 is meshed with the right internal tooth 30 on internally toothed annulus 6 right sides; The left side of internally toothed annulus 6 is processed with left internal tooth 29; On differential right casing 4, be processed with external gear, left internal tooth 29 inserts each other with external gear on the differential right casing 4 and is connected, and the number of teeth of left internal tooth 29 and this external gear equates.
Between right lid 11 of change speed gear box and stay bearing plate 5, also be connected with three adapter shafts that are used to support, be evenly distributed between the pivot shaft 8, connection mode is identical with pivot shaft 8.
During drive motor work; Rotor shaft 15 drives first external tooth cover 12 and rotates; First external tooth cover 12 drives driven wheel 9, second external tooth cover 7, internally toothed annulus 6, differential right casing body 4 successively and rotates; Differential casing is rotated in gearbox body, and two semiaxis rotate thereupon, reach the purpose that battery-driven car is advanced.
Owing to adopted the power delivery mode of two external tooth covers in the transmission device, cancelled cone pulley Transmission of the prior art and spline structure, make whole drive disk assemblies all can adopt heat back high precision roll flute mode to process; Eliminate the defective of heat back distortion, do not have the inconsistent situation of each gear cluster circumference upper angle, improved working accuracy and assembly precision greatly; Assembling more easily, unstressed generation between each parts of assembling back, it is harmonious each other that each organizes gear meshing; Operate steadily; Friction, noise is little, long service life.
First external tooth cover, 12 design length tooth one modes in the utility model can roll flute, first external tooth cover, 12 left ends and driven wheel 9 engagements behind the carburizing and quenching.The middle part adds internal tooth adapter sleeve 10, packs into after the heating, and promptly the endoporus with first external tooth cover 12 is the outer shaft cushion cap and the oil sealing external diameter of positioning reference mill internal tooth adapter sleeve 10 after the interference fit.The internal tooth 13 plug-in type free-running fits of rotor shaft 15 left ends of right-hand member and motor can be eliminated the footpath of rotor axis of electric internal tooth and jump error, also friction during high rotating speed.
Second external tooth cover 7 also is designed to length tooth one mode; Driven wheel 9 and second external tooth cover, 7 short external tooths insert engagement, and for precise transition cooperates, external tooth is the ground finish of accurate location and forms; Can guarantee after the assembling that three groups of driven wheel angles are consistent, error can guarantee at 0.002mm.
The modulus and the number of teeth of identical parameters adopted in the internal tooth at internally toothed annulus 6 two ends (diff inserts end of engagement, three second external tooth cover engagement in rotation ends) design; Processing can once be installed and accomplish simultaneously; Eliminated the footpath of two ends internal tooths effectively and jumped error, two teeth are directly jumped error each other and can be guaranteed in the 0.001mm.
The external tooth of differential right casing body 4 can be processed by roll flute, and synthesis precision improves, and inserts with internally toothed annulus to cooperate the no transmission shake in back to put.
Claims (4)
1. battery-driven car dynamic assembly; Comprise gear box; In gear box, be connected with differential casing through the 5th bearing (23); The differential parts are installed in differential casing, and the differential parts are connected with left half axle (26) that stretches out to the left and the right axle shaft (17) that stretches out to the right, on the side cover of gear box, are fixedly connected with drive motor; The rotor shaft of drive motor (15) in a tubular form and be enclosed within the semiaxis outside of this side is provided with transmission device between rotor shaft (15) and differential casing; It is characterized in that: the structure of described transmission device is: the end machining of rotor shaft (15) has rotor shaft internal tooth (13); First external tooth cover (12) is sleeved on the semiaxis outside; One end of first external tooth cover (12) is meshed with described rotor shaft internal tooth (13); The outside, middle part of first external tooth cover (12) is set with internal tooth adapter sleeve (10) through interference fit; Be provided with third axle between internal tooth adapter sleeve (10) and the gear box side cover and hold (21), the other end of first external tooth cover (12) is meshed with tooth on driven wheel (9) excircle, and the endoporus of driven wheel (9) has internal tooth and engage sleeves to be contained in an end of second external tooth cover (7); Second external tooth cover (7) is sleeved on the pivot shaft (8); Captive joint between one end of pivot shaft (8) and the side cover of change speed gear box, the other end of second external tooth cover (7) is meshed with the right internal tooth (30) of internally toothed annulus (6) one sides, and the opposite side of internally toothed annulus (6) is connected with described differential casing.
2. battery-driven car dynamic assembly according to claim 1; It is characterized in that: the connection mode between described internally toothed annulus (6) and the differential casing is: on differential casing, be processed with external gear; Be processed with the left internal tooth (29) that matches with this external gear on the internally toothed annulus (6); Internally toothed annulus (6) is sleeved on the external gear on the differential casing through left internal tooth (29), and the number of teeth of left internal tooth (29) and this external gear equates.
3. battery-driven car dynamic assembly according to claim 2 is characterized in that: the other end of described pivot shaft (8) is captiveed joint with stay bearing plate (5), is provided with the 4th bearing (22) between stay bearing plate (5) and the diff shell.
4. battery-driven car dynamic assembly according to claim 3 is characterized in that: be provided with needle bearing between described second external tooth cover (7) and the pivot shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220128362 CN202608560U (en) | 2012-03-30 | 2012-03-30 | Electromobile power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220128362 CN202608560U (en) | 2012-03-30 | 2012-03-30 | Electromobile power assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202608560U true CN202608560U (en) | 2012-12-19 |
Family
ID=47342285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220128362 Expired - Lifetime CN202608560U (en) | 2012-03-30 | 2012-03-30 | Electromobile power assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202608560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616133A (en) * | 2012-03-30 | 2012-08-01 | 陈晓金 | Power assembly for electrombile |
-
2012
- 2012-03-30 CN CN 201220128362 patent/CN202608560U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616133A (en) * | 2012-03-30 | 2012-08-01 | 陈晓金 | Power assembly for electrombile |
| CN102616133B (en) * | 2012-03-30 | 2016-03-16 | 陈晓金 | Electrical vehicular power assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102653231B (en) | Electrocar dynamic assembly | |
| CN102616133A (en) | Power assembly for electrombile | |
| US20180257476A1 (en) | Support structure for rotating shafts of vehicle | |
| CN103620264A (en) | Motor drive force transmission device | |
| CN103206517A (en) | Speed Reduction Mechanism, And Motor Torque Transmission Device Including The Same | |
| CN103807361B (en) | Planetary gear set with several gear stages | |
| WO2020098494A1 (en) | Wheel hub motor drive system and motor vehicle | |
| JP6160478B2 (en) | Drive device for hybrid vehicle | |
| CN202608560U (en) | Electromobile power assembly | |
| CN106864252B (en) | Steering and driving integrated wheel electric driving system and vehicle | |
| CN206628944U (en) | A kind of electric automobile direct driving motor | |
| CN203039496U (en) | All-in-one two-shift motor transmission for pure electric automobile | |
| CN110450612B (en) | Integrated electric drive assembly | |
| CN114396461A (en) | Industrial robot hollow cycloid speed reduction all-in-one machine | |
| CN202753776U (en) | Electric car power assembly | |
| CN202703262U (en) | Wheel driving device and vehicle including the same | |
| CN207565329U (en) | A kind of electric vehicle integral type power assembly | |
| CN106870232A (en) | Engine high pressure common rail pump drive mechanism | |
| CN220850585U (en) | Planetary gear speed change device and hub motor | |
| CN202900399U (en) | Water pump installation structure of stepless speed change water cooled engine | |
| CN219242565U (en) | Hollow hypocycloid speed reduction integrated machine of industrial robot | |
| CN205715581U (en) | Planetary transmission for wind power equipment | |
| CN201471017U (en) | Eccentric main shaft mechanism of gear grinding machine of numerical control spiral bevel gear | |
| CN108290491B (en) | In-wheel motor driving device | |
| CN214367631U (en) | Novel transmission structure in gear box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121219 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |