CN102931763A - Transmission of electromobile motor - Google Patents
Transmission of electromobile motor Download PDFInfo
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- CN102931763A CN102931763A CN 201110271731 CN201110271731A CN102931763A CN 102931763 A CN102931763 A CN 102931763A CN 201110271731 CN201110271731 CN 201110271731 CN 201110271731 A CN201110271731 A CN 201110271731A CN 102931763 A CN102931763 A CN 102931763A
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Abstract
The invention discloses the technical field of power transmission of electromobile motors and solves the problem that a motor can not output different speeds and different torques under same rotating speed. A transmission of an electromobile motor comprises a box body, wherein the box body is provided with a motor, the motor is provided with a motor shaft, the motor shaft is in transmission connection with a main shaft, a drive gear is sleeved on the main shaft, a two-gear drive gear is in meshing transmission with an output gear fixed on an output shaft, a chute is processed on the main shaft, a sliding member is connected with a one-gear drive gear or two-gear drive gear under the action of the chute when the shaft rotates, the one-gear drive gear drives a one-gear output gear through a reversing gear so as to drive an output shaft to rotate; and the sliding member is combined or separated from the two-gear drive gear or one-gear drive gear through positive or negative rotation of the main shaft, therefore, one-gear or two-gear power output is switched.
Description
Technical field
The invention belongs to particularly rotating variable speed electric motors, particularly drive technology field of electric motor car power transmission technical field.
Background technology
Mainly by regulating the electric current and voltage of input motor, the rotating speed that changes motor carries out speed change to the driving power of common electric motor car.When but motor was adjusted to low-speed running, the power of its output and moment of torsion are corresponding to diminish, so that electric motor car is unable in the upward slope process, the motor feels hot in the electric current amplification during upward slope, and motor and control system are burnt easily.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure for solving above-mentioned deficiency; gear-change operation make things convenient for volume little, obtain can obtain under the same rotational speed the different speed of a motor vehicle and different moments of torsion simultaneously; motor had the gear shift speed governing make motor power performance be effectively played; thereby the efficient that makes motor reaches the higher energy-saving effect that reaches; just can reach large torsion with little electric current when going up a slope through gear shift in addition; protection motor and control system can not burnt thereby guaranteed the difficult heating of motor, can regulate the electric vehicle motor speed variator of realizing the multi-stage mechanical shift.
For realizing purpose of the present invention, the first technical scheme of the present invention is: a kind of electric vehicle motor speed variator, comprise casing, described casing is provided with motor, motor is provided with motor shaft, motor shaft connects with spindle drive, and described main shaft is provided with one grade of driving gear and second gear driving gear, described driving gear driver output gear and output shaft rotation; Described one grade of driving gear and second gear driving gear empty set can be rotated at main shaft on main shaft, described main shaft is provided with sliding part, sliding part is provided with tilted slotted hole, described sliding part can only follow main shaft to rotate by axial motion on main shaft, slide to the second gear driving gear at tilted slotted hole and the cooperation downslide moving part of skewed slot during described main shaft forward and be connected the rotation of drive second gear driving gear with it, the second gear driving gear drives second gear output gear and output shaft rotation again, when reversing, separates with the second gear driving gear with the mating reaction downslide moving part of skewed slot at tilted slotted hole by main shaft, sliding part slides to one grade of driving gear and is connected one grade of driving gear rotation of drive with it, and one grade of driving gear drives one grade of output gear and output shaft rotation again; Can make sliding part and second gear driving gear or one grade of driving gear be combined and separate during the rotation of described main shaft, thereby switch the power output of one grade or second gear.
Described electric vehicle motor speed variator, described sliding part is provided with dog, the dog engagement connection of its dog and second gear driving gear or one grade of driving gear when sliding part endwisely slips, described sliding part rubs mutually with the brake pad that is fixed on the casing.
For realizing same purpose of the present invention, the second technical scheme of the present invention is: a kind of electric vehicle motor speed variator, comprise casing, described casing is provided with motor, motor is provided with motor shaft, motor shaft connects with spindle drive, and described main shaft is provided with one grade of driving gear and second gear driving gear, described driving gear driver output gear and output shaft rotation; Be fixed with initiatively piece on the described main shaft, moving member is enclosed within on the main shaft, moving member and slope groove on the piece initiatively cooperated lower moving member to shift to the second gear driving gear to be connected with it and to drive the second gear driving gear and rotate second gear driving gear driving second gear output gear and output shaft rotation when the main shaft forward turned; Moving member and slope groove on the piece initiatively cooperate lower moving member to shift to one grade of driving gear to be connected with it and to drive one grade of driving gear and rotate one grade of driving gear one grade of output gear of driving and moving output shaft rotation when main shaft reverses; Can make moving member and second gear driving gear or one grade of driving gear be combined and separate during the rotation of described main shaft, thereby switch the power output of one grade or second gear.
Described electric vehicle motor speed variator, described moving member is provided with projection, and the projection engagement connection of its projection and driving gear was provided with cut spring between described moving member and the driving gear when moving member moved to the driving gear direction.
For realizing same purpose of the present invention, the third technical scheme of the present invention is: a kind of electric vehicle motor speed variator, comprise casing, described casing is provided with motor, motor is provided with motor shaft, motor shaft connects with spindle drive, is fixed with one grade of driving gear and second gear driving gear on the described main shaft; Be fixed with driven member on the output shaft, moving member is enclosed within on the output shaft, and moving member cooperates lower moving member to shift to driven member with slope on one grade of output gear and is connected the drive output shaft rotation with it during the rotation of one grade of output gear forward direction; Moving member cooperates lower moving member to shift to driven member with the slope of second gear output gear and is connected the drive output shaft rotation with it when second gear output gear forward direction is rotated; Described one grade of output gear can make moving member be combined with driven member and separate when rotating with the second gear output gear; Thereby switch the power output of one grade or second gear.
Described electric vehicle motor speed variator, described moving member is provided with projection, and the projection engagement connection of its projection and driven member was provided with cut spring between described moving member and the driven member when moving member moved to the driven member direction.
During use, casing is fixed on the vehicle frame, wheel is fixed on the output shaft.Behind the motor plugged, during motor-driven main shaft backward rotation, the effect downslide moving part of sliding part and skewed slot slides to one grade of driving gear and its connection of rotating, power rotates through one grade of output gear of commutation rear drive, finishes one grade power output thereby one grade of output gear connects the output shaft rotation.When motor-driven main shaft forward rotation, the effect downslide moving part of sliding part and skewed slot slides to second gear driving gear and the rotation of its engagement connection during the main shaft rotation, second gear driving gear engagement second gear output gear drives output shaft rotation, this moment, one grade of driving gear rotated around main shaft with contrary, finished the power output of second gear this moment.Control the effect lower transmission mechanism of rotating, gear steps and skewed slot of motor by controller in conjunction with realizing speed governing, can realize the electric vehicle motor speed variator of two-stage speed change.
Description of drawings
Fig. 1 is sectional structure chart after the general assembly of electric vehicle motor speed variator the first execution mode of the present invention;
Fig. 2 is the assembling stereochemical structure exploded view of the main shaft input tooth among Fig. 1, one grade of driving gear, second gear driving gear, main shaft, sliding part;
Fig. 3 is the three-dimensional structure diagram of the second gear driving gear of electric vehicle motor speed variator the first execution mode of the present invention;
Fig. 4 is one grade of drive connection plane graph of electric vehicle motor speed variator the first execution mode of the present invention;
Fig. 5 is the plane structure chart after main shaft, the power shaft tooth of electric vehicle motor speed variator the first execution mode of the present invention, one grade of driving gear, second gear driving gear, sliding part, the assembling;
Fig. 6 is the three-dimensional sectional structure chart after main shaft, the power shaft tooth of electric vehicle motor speed variator the first execution mode of the present invention, one grade of driving gear, second gear driving gear, sliding part, the assembling;
Fig. 7 is sectional structure chart after the general assembly of electric vehicle motor speed variator the second execution mode of the present invention;
Fig. 8 is main shaft, the power shaft tooth of electric motor car power transformation machine speed device the second execution mode of the present invention, one grade of driving gear, second gear driving gear, cut spring, moving member, packaged partition solution three-dimensional structure diagram initiatively;
Fig. 9 is one grade of driving gear three-dimensional structure diagram of electric vehicle motor speed variator the second execution mode of the present invention;
Figure 10 is that one grade of power transmission of electric vehicle motor speed variator the second execution mode of the present invention concerns plane graph;
Figure 11 is the planar structure view after the assembling among Fig. 8;
Figure 12 is sectional structure chart after the general assembly of the third execution mode of electric vehicle motor speed variator of the present invention;
Figure 13 is second gear output gear, output shaft, driven member, cut spring, the moving member among Figure 12, the solid assembling decomposition chart of one grade of output gear;
Figure 14 is that plane structure chart is decomposed in second gear output gear, output shaft, driven member, cut spring, the moving member among Figure 13, the solid assembling of one grade of output gear;
Figure 15 is that one grade of power transmission of the third execution mode of electric vehicle motor speed variator of the present invention concerns plane graph;
Figure 16 is the three-dimensional structure diagram of one grade of output gear of the third execution mode of electric vehicle motor speed variator of the present invention;
Figure 17 is the moving member stereochemical structure view of second and third kind of electric vehicle motor speed variator execution mode of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of electric vehicle motor speed variator of the present invention is described in further detail.
As shown in FIG., electric vehicle motor speed variator of the present invention comprises casing 1, chain stay 1A, motor 2, motor shaft 3, generator shaft gear 4, gap bridge tooth 5, gap bridge tooth axle 6, main shaft input tooth 7, main shaft 8, second gear driving gear 9, one grade of driving gear 9A, second gear output gear 10, one grade of output gear 10A, brake pad 11, dog 12, sliding part 13, tumbler gear 14, moving member 15, active piece 16, cut spring 17, slope 18, projection 19, skewed slot 20, driven member 21, brake rocker arm 23, brake-shoe 24, output shaft 25, oil sealing 26, bearing 27, power line 28, boss 31, tilted slotted hole 36, jump ring 37, controller 38.
Embodiment 1
Be the first execution mode of electric vehicle motor speed variator of the present invention such as Fig. 1 to shown in Figure 6, described electric vehicle transmission comprises casing 1 and relevant transmission mechanism, and casing 1 is connected with chain stay 1A, and chain stay 1A is for whole machine is connected to vehicle frame.
After motor 2 energisings were rotated, the motor shaft tooth 4 driving gap bridge teeth 5 of motor shaft 3 ends rotated, and rotated thereby gap bridge tooth 5 engagement main shaft input teeth 7 rotate drive main shaft 8.
As shown in fig. 1, described one grade of output gear 10A and second gear output gear 10 are fixed on the output shaft 25, and the diameter of two output gears is different with the number of teeth.Correspondence is set with different with 9, one grades of transmission speed ratios with second gear of second gear driving gear of second gear output gear 10 engaged transmission on the described main shaft 8.
When motor-driven main shaft 8 and sliding part 13 rotate counterclockwise, sliding part 13 is released states with second gear driving gear 9 under the effect of skewed slot 20, the power of main shaft 8 can not be delivered to 9 of second gear driving gears around the reverse idle running of main shaft, this moment, sliding part 13 and one grade of driving gear 9 engagement connection were rotated, as shown in Figure 4, power rotates through one grade of driving gear 9A engagement tumbler gear 14, mesh again one grade of output gear 10A forward direction by tumbler gear 14 and rotate, rotate the power output of finishing one grade thereby one grade of output gear 10A connects output shaft 25.
As shown in Figure 2, described main shaft 8 is provided with skewed slot 20, and described skewed slot 20 is screw type taper key grooves, and cover has sliding part 13 on the described skewed slot 20, and sliding part 13 can only left and right sides vibration reach and then main shaft 8 rotations under the rotation of main shaft 8 on main shaft 8.The centre bore of sliding part 13 is provided with the tilted slotted hole 36 that cooperates with skewed slot 20, and described tilted slotted hole 36 is screw type taper key grooves.
Such as Fig. 2, shown in 3, described sliding part 13 and one grade of driving gear, the end of second gear driving gear 9 is respectively equipped with dog 12, under the mating reaction of the skewed slot 20 when motor-driven main shaft 8 and sliding part 13 clockwise rotate on the tilted slotted hole 36 of sliding part 13 and the main shaft 8, sliding part 13 is turned downslide moving part 13 by brake pad 11 slight resistances and slides to second gear driving gear 9 and its engagement connection rotation, this moment sliding part 13 the connection that fastens of dog 12 dog 12 of being connected with the second gear driving gear, thereby the power of main shaft 8 connects drive second gear driving gear 9 by sliding part 13 to rotate, second gear driving gear 9 engagement second gear output gears 10 rotation of marching forward, second gear output gear 10 drives output shafts 25 and rotates, this moment one grade of driving gear 9A and main shaft 8 reverse skids.Thereby finish the power output of second gear.
Be the second execution mode of electric vehicle motor speed variator of the present invention such as Fig. 7 to shown in Figure 11, described electric vehicle transmission comprises casing 1 and relevant transmission mechanism, and casing 1 is connected with chain stay 1A, and chain stay 1A is for whole machine is connected to vehicle frame.
After motor 2 energisings were rotated, the motor shaft tooth 4 driving gap bridge teeth 5 of motor shaft 3 ends rotated, and main shaft input teeth 7 rotate drive main shaft 8 and active piece 16 rotates thereby gap bridge tooth 5 meshes.
When motor 2 driving main shaft 8 rotate counterclockwise with active piece 16, moving member 15 is separated states with second gear driving gear 9 under cut spring 17 effect, the power of main shaft 8 can not be delivered to second gear driving gear 9, and 9 of second gear driving gears are around main shaft 8 reverse idle running.As shown in figure 10, power rotates through one grade of driving gear 9A engagement tumbler gear 14, meshes one grade of output gear 10A forward direction by tumbler gear 14 again and rotates, and rotates the power output of finishing one grade thereby one grade of output gear 10A connects output shaft 25.
As shown in Fig. 8, Figure 11, be fixed with initiatively piece 16 on the described main shaft 8, initiatively piece 16 both ends are provided with slope 18, and moving member 15 is enclosed within on the main shaft 8, and moving member 15 1 ends are provided with boss 31 as shown in Figure 8.
Such as Fig. 8, shown in Fig. 9, described moving member 15 and one grade of driving gear 9A, the end of second gear driving gear 9 is respectively equipped with projection 19, when motor-driven main shaft 8 and when initiatively piece 16 clockwise rotates initiatively under the mating reaction of the boss 31 on the slope 18 of piece 16 and the moving member 15, moving member 15 is turned lower moving member 15 by the slight resistance of brake pad 11 and slides to second gear driving gear 9 and be connected with it, this moment the projection 19 of moving member 15 and the projection 19 mutual engagement connections of second gear driving gear 9, thereby moving member 15 connects drive second gear driving gear 9 to rotate, second gear driving gear 9 engagement second gear output gears 10 rotation of marching forward, second gear output gear 10 connects and drives output shafts 25 and rotate, this moment one grade of driving gear 9A and main shaft 8 reverse skidding.Thereby finish the power output of second gear.
Be the third execution mode of electric vehicle motor speed variator of the present invention such as Figure 12 to shown in Figure 17, described electric vehicle transmission comprises casing 1 and relevant transmission mechanism, and casing 1 is connected with chain stay 1A, and chain stay 1A is for whole machine is connected to vehicle frame.
After motor 2 energisings were rotated, the motor shaft tooth 4 driving gap bridge teeth 5 of motor shaft 3 ends rotated, thereby gap bridge tooth 5 engagement main shaft input teeth 7 rotate drive main shaft 8 and two driving gears rotate.
When motor-driven main shaft 8 and one grade of driving gear 9A and second gear driving gear 9 clockwise rotated, two driving gear driver output gears rotated.One grade of driving gear 9A engagement tumbler gear 14 rotates, power meshes one grade of output gear 10A direction that moves forward through tumbler gear 14 again and rotates, when one grade of output gear 10A move forward direction when rotating under the mating reaction of the boss 31 on the slope 18 on one grade of output gear 10A and the moving member 15, moving member 15 slides to driven member 21 and drives output shaft 25 rotations with its engagement connection, this moment second gear output gear 10 and output shaft 25 reverse idle running, are separated states with driven member 21 by the moving member 15 of second gear output gear 10 directions under the effect of cut spring 17, this moment, second gear output gear 10 power can not be delivered on the output shaft 25.Thereby finish one grade power output.
As shown in Figure 13, a described output gear 10A, second gear output gear 10 and moving member 15 empty sets are on output shaft 25, one grade of output gear 10A, second gear output gear 10 end faces are provided with slope groove 18, and described moving member 15 ends are provided with boss 31, and driven member 21 is fixed on the output shaft 25.
Such as Figure 13, shown in Figure 17, the end of described moving member 15 and driven member 21 is respectively equipped with projection 19, when motor-driven main shaft 8 and second gear driving gear 9 rotate counterclockwise, second gear driving gear 9 engagement second gear output gears 10 direction that moves forward is rotated, under the mating reaction of the slope 18 on the second gear output gear 10 and the boss 31 on the moving member 15, the pressure moving member 15 that moving member 15 overcomes cut spring 17 slides to driven member 21 and its connection of rotating, this moment, the projection 19 of moving member 15 was connected projection 19 connection that fastens with driven member, thereby second gear output gear 10 drives moving members 15 and connects and drive driven members 21 and output shaft 25 rotates, and one grade of driving gear 9A engagement tumbler gear 14 drives one grade of output gear 10A and moves with output shaft 25 reverse idle running as shown in figure 15.Thereby finish the power output of second gear.
Its effect of brake pad of the present invention be axle do not allow when rotating sliding part at once and then axle rotate, allow sliding part slide along the slope to allow it be combined with gear smoothly or separate.
Each gear of the present invention also can be belt pulley or sprocket wheel, and engaged transmission each other becomes belt or chain drive, also can reach the technique effect of driving coupling.
Claims (6)
1. electric vehicle motor speed variator, comprise casing (1), described casing (1) is provided with motor (2), motor (2) is provided with motor shaft (3), motor shaft (3) and main shaft (8) driving coupling, described main shaft (8) is provided with one grade of driving gear (9A) and second gear driving gear (9), and described driving gear driver output gear (10) and output shaft (25) rotate;
It is characterized in that:
Described one grade of driving gear (9A) and second gear driving gear (9) empty set can be rotated at main shaft (8) on main shaft (8), described main shaft (8) is provided with sliding part (13), sliding part (13) is provided with tilted slotted hole (36), described sliding part (13) can only follow main shaft (8) to rotate at the upper axial motion of main shaft (8), slide to second gear driving gear (9) at tilted slotted hole (36) and the cooperation downslide moving part (13) of skewed slot (20) during described main shaft (8) forward and be connected drive second gear driving gear (9) rotation with it, second gear driving gear (9) drives second gear output gear (10) again and output shaft (25) rotates, when reversing, separates with second gear driving gear (9) with the mating reaction downslide moving part (13) of skewed slot (20) at tilted slotted hole (36) by main shaft (8), sliding part (13) slides to one grade of driving gear (9A) and is connected one grade of driving gear of drive (9A) rotation with it, and one grade of driving gear (9A) drives one grade of output gear (10A) again and output shaft (25) rotates;
In described main shaft (8) when rotation, can make sliding part (13) and second gear driving gear (9) or one grade of driving gear (9A) combination and separate, thereby the power that switches one grade or second gear is exported.
2. electric vehicle motor speed variator according to claim 1, it is characterized in that: described sliding part (13) is provided with dog (12), dog (12) engagement connection of sliding part (13) its dog (12) and second gear driving gear (9) or one grade of driving gear (9A) when endwisely slipping, described sliding part (13) rubs mutually with the brake pad (11) that is fixed on the casing (1).
3. electric vehicle motor speed variator, comprise casing (1), described casing (1) is provided with motor (2), motor (2) is provided with motor shaft (3), motor shaft (3) and main shaft (8) driving coupling, described main shaft (8) is provided with one grade of driving gear (9A) and second gear driving gear (9), and described driving gear driver output gear (10) and output shaft (25) rotate;
It is characterized in that:
Be fixed with initiatively piece (16) on the described main shaft (8), moving member (15) is enclosed within on the main shaft (8), main shaft (8) when forward turns moving member (15) and slope groove (18) on the piece (16) initiatively cooperate lower moving member (15) to shift to second gear driving gear (9) to be connected with it and to drive second gear driving gear (9) and rotate, second gear driving gear (9) drives second gear output gear (10) and output shaft (25) rotation; Moving member (15) and slope groove (18) on the piece (16) initiatively cooperate lower moving member (15) to shift to one grade of driving gear (9A) to be connected with it and to drive one grade of driving gear (9A) and rotate when main shaft (8) reverses, and one grade of driving gear (9A) drives one grade of output gear (10A) and moving output shaft (25) rotation;
In described main shaft (8) when rotation, can make moving member (15) and second gear driving gear (9) or one grade of driving gear (9A) combination and separate, thereby the power that switches one grade or second gear is exported.
4. electric vehicle motor speed variator according to claim 3, it is characterized in that: described moving member (15) is provided with projection (19), projection (19) engagement connection of its projection (19) and driving gear was provided with cut spring (17) when moving member (15) moved to the driving gear direction between described moving member (15) and the driving gear.
5. electric vehicle motor speed variator, comprise casing (1), described casing (1) is provided with motor (2), motor (2) is provided with motor shaft (3), motor shaft (3) and main shaft (8) driving coupling are fixed with one grade of driving gear (9A) and second gear driving gear (9) on the described main shaft (8);
It is characterized in that:
Be fixed with driven member (21) on the output shaft (25), moving member (15) is enclosed within on the output shaft (25), and one grade of output gear (10A) forward direction when rotation moving member (15) cooperates lower moving member (15) to shift to driven member (21) with slope (18) on one grade of output gear (10A) and is connected drive output shaft (25) rotation with it; Moving member (15) cooperates lower moving member (15) to shift to driven member (21) with the slope (18) of second gear output gear (10) and is connected drive output shaft (25) rotation with it when second gear output gear (10) forward direction is rotated;
Described one grade of output gear (10A) can make moving member (15) and driven member (21) combination and separate when rotating with second gear output gear (10); Thereby switch the power output of one grade or second gear.
6. electric vehicle motor speed variator according to claim 5, it is characterized in that: described moving member (15) is provided with projection (19), moving member (15) is provided with cut spring (17) to projection (19) engagement connection of driven member (21) its projection (19) and driven member (21) when direction moves between described moving member (15) and the driven member (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110271731 CN102931763A (en) | 2011-08-13 | 2011-08-13 | Transmission of electromobile motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110271731 CN102931763A (en) | 2011-08-13 | 2011-08-13 | Transmission of electromobile motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102931763A true CN102931763A (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110271731 Pending CN102931763A (en) | 2011-08-13 | 2011-08-13 | Transmission of electromobile motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102931763A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448811A (en) * | 2018-05-17 | 2018-08-24 | 鹤山市恒富微型电机有限公司 | A kind of Novel speed-reducing variable speed electric motors, particularly |
| CN108895127A (en) * | 2018-08-09 | 2018-11-27 | 庄伟雄 | A kind of anti-gear interlocking structure of two grades of speed changes of single motor |
-
2011
- 2011-08-13 CN CN 201110271731 patent/CN102931763A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448811A (en) * | 2018-05-17 | 2018-08-24 | 鹤山市恒富微型电机有限公司 | A kind of Novel speed-reducing variable speed electric motors, particularly |
| CN108448811B (en) * | 2018-05-17 | 2024-02-09 | 鹤山市恒富微型电机有限公司 | Novel speed reduction variable speed motor |
| CN108895127A (en) * | 2018-08-09 | 2018-11-27 | 庄伟雄 | A kind of anti-gear interlocking structure of two grades of speed changes of single motor |
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Application publication date: 20130213 |