CN102270897A - Automatic variable speed motor for electric vehicle - Google Patents
Automatic variable speed motor for electric vehicle Download PDFInfo
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- CN102270897A CN102270897A CN2010102011055A CN201010201105A CN102270897A CN 102270897 A CN102270897 A CN 102270897A CN 2010102011055 A CN2010102011055 A CN 2010102011055A CN 201010201105 A CN201010201105 A CN 201010201105A CN 102270897 A CN102270897 A CN 102270897A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention discloses an automatic variable speed motor for an electric vehicle, which belongs to the technical field of electric vehicle power transmission and solves the problem that the conventional electric vehicle motor cannot automatically realize mechanic gear shifting. The automatic variable speed motor comprises a case body, wherein the case body is provided with a motor which is provided with a motor shaft; an input shaft, an output shaft and a driver shaft are arranged on the sidewall o the case body; the motor shaft is in rotating connection with the input shaft; the output shaft is in drive connection with a differential; a high speed driving gear and a low speed driving gear are arranged on the input shaft; a clutch is arranged on the output shaft; a high speed driven gear is fixed on the clutch; a one-way driver is arranged between the output shaft and a low speed driven gear; a driven keyway sleeve is arranged on the output shaft; a driven friction plate and a driving friction plate are arranged between the driven keyway sleeve and a clutch shell; the end face part of the friction plate is provided with a friction plate separation spring; a slope slot is formed between the friction plate and the bottom end part of the clutch; a centrifugal ball is arranged in the slope slot; and the slope slot and the centrifugal ball form a centrifugal axial thrust mechanism.
Description
Technical field
The invention belongs to electric motor car power transmission technical field.
Background technology
Existing speed change electro-tricycle or carriage mainly input to the electric current and voltage of motor by adjusting, change rotating speed of motor and carry out speed change, but when motor was adjusted to low-speed running, the power of its output is corresponding to diminish, and makes electric motor car unable in the upward slope process; Or by manually regulating gear shift, whether the driver's situation that will analyze the road surface will shift gears in addition, this carries out having brought inconvenience according to the speed of a motor vehicle of different road conditions control electric motor cars for the electric motor car driver, just because this inconvenience directly influences the performance of the power optimum performance of electric vehicle motor.Exist shift smooth flexibly in the armstrong's patent shift motor technology, and do not have to solve the electric motor car rotating speed automatic gear-shifting different with motor at all, realize different power output according to different road conditions along problem.
Summary of the invention
For solving the deficiency that prior art exists, the object of the present invention is to provide a kind of simple in structure, flexible engagement during gear shift, not having the sense of impact during speed change makes the person for driving a car feel comfortable, left and right wheels has differential in addition, and Ackermann steer angle is not easy to turn over side, and tire is not easy to wear yet, obtain the different speed of a motor vehicle and different moments of torsion under the different rotating speeds simultaneously, can fluid drive and can take into account simultaneously about the drive mechanism of electric motor car of two wheel differentials.
For realizing purpose of the present invention, first kind of technical scheme of electric motor car automatic speed changing motor of the present invention, a kind of electric motor car automatic speed changing motor, it comprises casing, and wall box is provided with motor, and motor is provided with motor shaft; Described wall box is provided with input shaft bore, output shaft hole and axle hole, is provided with power shaft, output shaft and differential bag in the described casing; Described motor shaft is connected rotation with power shaft; Described output shaft and tail tooth driving coupling, tail tooth and axle shaft gear driving coupling; Be provided with axle shaft gear and angular wheel in the described differential bag; Described power shaft is provided with high speed driving gear and low-speed active gear; Described output shaft is provided with automatic clutch, and the high speed driven gear is fixed on the automatic clutch; High speed driven gear and high speed driving gear driving coupling; Be provided with unidirectional driver between described output shaft and the low speed driven gear, described low-speed active gear and low speed driven gear driving coupling.
Described run-out key fluted shaft is provided with driven keyway cover, be provided with from movable friction plate and active friction plate between driven keyway cover and the automatic clutch shell, be provided with the friction plate cut spring between the friction plate, be provided with the slope groove between friction plate and the automatic clutch bottom, centrifugal ball is located in the groove of slope, and slope groove and centrifugal ball are formed a centrifugal axial thrust mechanism.
During use, casing is fixed on the vehicle frame, wheel is fixed on the semiaxis, when the motor energized, motor shaft produces rotation, motor shaft connects power shaft and is fixed on the height of power shaft, low-speed active gear is rotated thereupon, under the lower-speed state, the friction plate cut spring will be installed in the active friction plate on driven keyway cover and the automatic clutch shell and back down from movable friction plate, this moment active friction plate and be in released state from movable friction plate, this moment, centrifugal ball also was in not apocarpy, and power is sent to the low speed driven gear by low-speed active gear, and the low speed driven gear drives output shaft by unidirectional driver and rotates, output shaft connects differential with transmission of power to the tail tooth again and wraps, moving axle shaft gear of differential band and semiaxis rotate, thereby finish one grade power output, otherwise the speed of vehicle also is that the slowest moment of torsion is maximum.
When the motor speed rising reaches certain rotating speed, the centrifugal inertial force of automatic clutch increases, the centrifugal ball that is installed in the automatic clutch bottom along the slope groove by the outside centrifugal rolling of lining radius vector, because of the space of slope groove that centrifugal ball place is installed big outer narrow in being, centrifugal ball produces axial thrust when the radially outward centrifugal rolling of clutch, force friction plate to overcome the pressure of friction plate cut spring, make on the automatic clutch active friction plate and from movable friction plate in conjunction with transmission, power is delivered to the high speed driven gear by the high speed driving gear on the power shaft, the high speed driven gear passes through active friction plate again, be delivered to output shaft from movable friction plate combination and driven keyway cover, the unidirectional driver that cooperate with the low speed driven gear this moment surmounts down at the output shaft rotating speed, low speed driven gear and unidirectional driver produce and skid, make the low speed driven gear not give output shaft transmission of power, this moment, output shaft was just driven by the high speed driven gear, thereby finish the output of second gear power, realize fluid drive.Otherwise, when motor speed descends, because reducing of clutch centrifugal inertial force, centrifugal ball recovers the position of original bottom land, make opposite action with upper-part, the driving and driven friction plate of automatic clutch is separated, and at this moment the power of high speed driven gear can not be transferred on the output shaft, this moment the low speed driven gear again by unidirectional driver to the output shaft transferring power.
For realizing same purpose of the present invention, electric motor car automatic speed changing motor of the present invention, it comprises casing; Described wall box is provided with motor, and motor is provided with motor shaft, and described wall box is provided with input shaft bore, output shaft hole and axle hole, is respectively equipped with power shaft, output shaft and differential bag in its hole; Described motor shaft is connected rotation with power shaft; Described output shaft and differential bag driving coupling; Described power shaft is provided with high speed driving gear and low-speed active gear, and described output shaft is provided with automatic clutch, and the high speed driven gear is fixed on the automatic clutch, high speed driven gear and high speed driving gear driving coupling; Described output shaft is provided with driven keyway cover, be provided with from movable friction plate and active friction plate between driven keyway cover and the automatic clutch shell, the friction plate end face portion is provided with the friction plate cut spring, be provided with the slope groove between friction plate and the clutch bottom, centrifugal ball is located in the groove of slope, and slope groove and centrifugal ball are formed a centrifugal axial thrust mechanism; Be provided with unilateral bearing between described power shaft and the low-speed active gear, described low-speed active gear and low speed driven gear driving coupling.
Description of drawings
Fig. 1 is the solid assembling decomposition texture view of first kind of execution mode of electric motor car automatic speed changing motor of the present invention;
Fig. 2 is sectional structure chart after the assembling of first kind of execution mode of electric motor car automatic speed changing motor of the present invention;
Fig. 3 is the power shaft among Fig. 1, high low-speed active gear, high low speed driven gear, automatic clutch shell, centrifugal ball, active friction plate, assembles the decomposition texture view from the solid of movable friction plate, friction plate cut spring, back-up ring, output shaft, driven keyway cover, bearing, unidirectional driver;
Fig. 4 is the unidirectional driver constitutional detail exploded perspective topology view among Fig. 1;
Fig. 5 is the unidirectional driver assembling back sectional structure chart of Fig. 4;
Fig. 6 is the constitutional detail exploded perspective topology view of the another kind of execution mode of unidirectional driver of the present invention;
Fig. 7 is a sectional structure chart after the assembling among Fig. 6;
Fig. 8 is the high speed driven gear and the slope groove sectional structure view of electric motor car automatic speed changing motor of the present invention;
Fig. 9 is the sectional structure view after the automatic clutch among Fig. 1 assembles;
Figure 10 is the solid assembling decomposition texture view of second kind of execution mode of electric motor car automatic speed changing motor of the present invention;
Figure 11 is a sectional structure chart after the assembling among Figure 10;
Figure 12 is the automatic clutch part exploded perspective topology view among Figure 10;
Figure 13 is the sectional structure view after Figure 12 automatic clutch assembling;
Figure 14 is an electric motor car automatic speed changing motor differential bag exploded perspective topology view of the present invention;
Figure 15 is the reverse gear mechanism part exploded perspective topology view of electric motor car automatic speed changing motor of the present invention;
Figure 16 is the outside stereochemical structure view of electric motor car automatic speed changing motor of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of electric motor car automatic speed changing motor of the present invention is described in further detail.
As shown in FIG., electric motor car automatic speed changing motor of the present invention comprises casing 1, motor 2, motor shaft 3, axle hole 4, differential bag 5, tail tooth 6, reverse driving gear 7, semiaxis 8, reverse idler gear 9, jack shaft 10, driving gear 11 advances, driven gear 12 advances, power shaft installing hole 13, power shaft 14, high speed driving gear 15, high speed driven gear 16, low-speed active gear 17, low speed driven gear 18, automatic clutch 19, unidirectional driver 20, output shaft installing hole 21, output shaft 22, oil sealing 23, bearing 24, jump ring 25, jack shaft output gear 26, bolt 27, vehicle frame connecting hole 28, sliding part 29, shift fork 30, unilateral bearing 31, slope groove 32, centrifugal ball 33, friction plate cut spring 34, from movable friction plate 35, roller bearing spring 36, active friction plate 37, driven keyway cover 38, back-up ring 39, isolator spline housing 40, spring base 41, roller shaft seat 42, roller bearing 43, ratchet 44, spring 45, isolator seat 46, internal tooth 47, roller bearing slope groove 48, intermediate shaft hole 49, counter gear 50, groove 51, axle shaft gear 52, conical tooth wheel shaft 53, angular wheel 54; Rocker arm 55; rocker arm bracket 56; control cord 57; hole 58; boss 59; reverse idler gear axle 60; spring eye 61; dowel hole 62; keyway 63; shift fork axle bed 64; reverse idler gear axle bed 65; output shaft axle bed 66; jack shaft axle bed 67; declutch shift shaft 68.
Shown in Fig. 1 to Fig. 9 and Figure 14, Figure 15,16, be first kind of execution mode of electric motor car automatic speed changing motor of the present invention, described electric motor car automatic gear-shifting motor comprises casing 1, casing 1 is provided with vehicle frame connecting hole 28, and vehicle frame connecting hole 28 is used for entire machine is fixed on vehicle frame.Described motor 2 is fixed by bolts on the sidewall of casing 1, be respectively equipped with power shaft installing hole 13 on casing 1 madial wall, with output shaft installing hole 21, axle hole 4, intermediate shaft hole 49, be respectively equipped with bearing 24 in its hole, be respectively equipped with power shaft 14 in described bearing 24 endoporus, output shaft 22, jack shaft 10, differential bag 5, high low-speed active gear is fixed on the power shaft 14, be actively installed on the output shaft 22 with the high low speed driven gear of high low-speed active gear engagement, driven gear by isolator 20 or automatic clutch 19 with power transmission to output shaft 22, the driving gear 11 that advances is fixed on the output shaft 22, be located on the jack shaft 10 with driven gear 12 rotations of advancing of driving gear 11 engagements of advancing, the tail tooth 6 of last 10 jack shaft output gear 26 engages fixed on differential bag 5 rotates in the middle of being fixed on, and tail tooth 6 drives the differential incrustation, conical tooth wheel shaft 53, angular wheel 54, axle shaft gear 52 and semiaxis 8 rotate.
During use, casing 1 is fixed on the vehicle frame, wheel is fixed on the semiaxis 8, when motor 1 energized, motor shaft 3 produces rotation, motor shaft 3 connects the power shaft rotation, be fixed on the height on the power shaft 14, low driving gear 15,17 rotate thereupon, under the initial condition, friction plate cut spring 34 will be installed in the active friction plate 37 on driven keyway cover 38 and automatic clutch 19 shells and back down from movable friction plate 35, this moment active friction plate 37 be in released state from movable friction plate 35, this moment, centrifugal ball 33 also was in not apocarpy, this moment, power was sent to low speed driven gear 18 by low-speed active gear 17, low speed driven gear 18 drives output shaft 22 rotations by unidirectional driver 20, output shaft 22 by advance driving gear 11 or reverse driving gear 7 again with transmission of power on sliding part 29 and jack shaft 10 and jack shaft output gear 26, jack shaft output gear 26 engages fixed are rotated at the tail tooth of differential bag 5, differential bag 5 drives conical tooth wheel shaft 53, angular wheel 54, thereby axle shaft gear 52 and semiaxis 8 rotate the power output of finishing one grade, otherwise the speed of vehicle also is that the slowest moment of torsion is maximum.
When the rising of motor 1 rotating speed reaches certain rotating speed, the centrifugal inertial force of clutch 19 increases, the centrifugal ball 33 that is installed in automatic clutch 19 bottoms along slope groove 32 by the outside centrifugal rolling of lining radius vector, because of the space of slope groove 32 that centrifugal ball 33 places are installed big outer narrow in being, centrifugal ball 33 produces axial thrust when the radially outward centrifugal rolling of automatic clutch 19, force friction plate to overcome the pressure of friction plate cut spring 34, make on the automatic clutch 19 active friction plate 37 and from movable friction plate 35 in conjunction with transmission, power is delivered to high speed driven gear 16 by the high speed driving gear 15 on the power shaft 14, high speed driven gear 16 is again by main, be delivered to output shaft 22 from movable friction plate and driven keyway cover 38, the rotating speed of output shaft 22 exceeds the rotating speed of low speed driven gear 18 at this moment, the unidirectional driver 20 that cooperates with low speed driven gear 18 surmounts down at output shaft 22 rotating speeds, low speed driven gear 18 and unidirectional driver 20 produce and skid, make low speed driven gear 18 not give output shaft 22 transmission of power, this moment, output shaft 22 was just driven by high speed driven gear 16, thereby finish the output of second gear power, realize automatic gear-shifting.Otherwise, when motor 1 rotating speed descends, because reducing of automatic clutch 19 centrifugal inertial forces, centrifugal ball 33 recovers the position of original skewed slot 32 bottoms, make opposite action with upper-part, the driving and driven friction plate of automatic clutch 19 is separated, and at this moment the power of high speed driven gear 16 can not be transferred on the output shaft 22, this moment low speed driven gear 18 again by unidirectional driver 20 to output shaft 22 transferring power.
As Fig. 4, shown in Fig. 5, described unidirectional driver 20, roller bearing spring 36 pushes away roller bearing 43 on the narrow position of roller bearing slope groove 48 during initial condition, roller 43 is stuck on the inner hole wall of low speed driven gear 18, make low speed driven gear 18 and roller shaft seat 42 in conjunction with rotating, thereby driving output shaft 22 rotates, roller bearing 43 is cast down aside the pressure roller 43 that roller bearing 43 overcomes roller bearing spring 36 by roller shaft seat 42 and is thrown in roller bearing slope groove 48 when the rotating speed of output shaft 22 exceeds low speed driven gear 18, this moment, low speed driven gear 18 and roller shaft seat 42 lost transmission capacity, and isolator 20 and low speed driven gear 18 can only unidirectional transmissions.
As Fig. 6, shown in Fig. 7, the another kind of execution mode of described unidirectional driver 20, described output shaft 22 is provided with isolator seat 46, isolator seat 46 is provided with spring eye 50 and groove 51, spring 45 is located in the spring eye 50, ratchet 44 is located in the groove 51, spring 45 is with ratchet 44 1 end jack-up and be stuck in the internal tooth of low speed driven gear 18 during initial condition, low speed driven gear 18 and isolator seat 46 are in conjunction with transmission, when the rotating speed of output shaft 22 exceeds low speed driven gear 18, ratchet 44 is just cast internal tooth 47 aside, and low speed driven gear 18 and isolator seat 46 lose transmission capacity, and isolator 20 and low speed driven gear 18 can only unidirectional transmissions; Unidirectional driver 20 of the present invention yet can adopt axial ratchet to move the isolator of disengaging type.
As shown in figure 14, the power of motor 2 is transferred to tail tooth 6 and directly drives differential bag 5 after speed change, the differential incrustation drives conical tooth wheel shaft 53, angular wheel 54, drive left and right half gear 52, axle shaft gear 52 drives left and right sides semiaxis 8 and then drive wheels, when the vehicle straight-line travelling, differential bag 5 shells, angular wheel 54, the identical differential mechanism with the drive wheels rotating speed of left and right half gear 52 are not worked this moment.Work as Ackermann steer angle, wheel interior at one time distance of being walked in both sides does not wait, the distance that foreign steamer moves is bigger than interior wheel, because the left and right wheels stressing conditions changes, feedback is on axle shaft gear 52, and this moment, differential mechanism was in work, angular wheel 54, axle shaft gear 52 produce rotation in revolution, automatically increased the rotating speed of outer wheel, outer wheel is accelerated, interior wheel is slack-off and play the effect of differential.
As shown in Fig. 1, Figure 15, described sliding part 29 is provided with dowel hole 62, dowel hole 62 is enclosed within on the keyway 63, and sliding part 29 can not be rotated on jack shaft 10 only with axial move left and right, and the described counter gear 50 and the driven gear 12 that advances can rotate on jack shaft 10.Differential bag 5 and semiaxis 8 need counter-rotating during reversing, reverse driving gear 7 engagement reverse idler gears 9, and the reverse idler gear 9 engagement counter gears 50 and driven gear 12 phase reversals of advancing realize that finally 5 counter-rotatings of differential bag realize the reversing purpose.At this moment spur control cord 57 rocker arm brackets 56 and drive Rocker arm 5s 5 swings; Rocker arm 55 is stirred shift fork 30; shift fork 30 is stirred boss 59 that sliding part 29 moves sliding part 29 when counter gear 50 and injected in the hole 58 of counter gears 50 and make sliding part 29, counter gear 50 and jack shaft 10 in conjunction with rotating, and sliding part 29 drives jack shaft 10 and 26 counter-rotatings of jack shaft output gear when rotating; Otherwise spur another root control cord 57 shift forks 30 sliding part 29 is moved to the driven gear 12 that advances, thereby the switching of realization rotating.
As shown in Figure 10,11,12,13,14,15,16, be second kind of execution mode of electric motor car automatic speed changing motor of the present invention, be that with implementing 1 difference output shaft 22 and low speed driven gear 18 do not establish unidirectional driver 20, and between power shaft 14 and low-speed active gear 17, be provided with unilateral bearing 31.Described electric motor car automatic gear-shifting motor comprises casing 1, and casing 1 is provided with vehicle frame connecting hole 28, and vehicle frame connecting hole 28 is used for entire machine is fixed on vehicle frame.Described motor 2 usefulness bolts 27 are fixed on the wall of casing 1 side, be respectively equipped with input shaft bore 13 on casing 1 madial wall, with output shaft installing hole 21, wheel shaft installing hole 4, intermediate shaft hole 49, be respectively equipped with bearing 24 in its hole, be respectively equipped with power shaft 14 in described bearing 24 endoporus, output shaft 22, jack shaft 10, differential bag 5, high speed driving gear 15 is fixed on the power shaft 14, low-speed active gear 17 is rotated by unilateral bearing 31 and is located on the power shaft 14, be fixed on the output shaft 22 by the internal key slotted eye with the low driven gear 18 of low-speed active gear 17 engagements, high speed driven gear 16 by automatic clutch 19 with power transmission to output shaft 22, advance driving gear 11 and reverse driving gear 7 is fixed on the output shaft 22, be located at rotationally on the jack shaft 10 with the driven gear 12 that advances of driving gear 11 engagements of advancing, the tail tooth 6 of jack shaft output gear 26 engages fixed on differential mechanism 5 that is fixed on the jack shaft 10 rotates, and tail tooth 6 drives the differential mechanism shell, angular wheel 54, conical tooth wheel shaft 53, axle shaft gear 52 and semiaxis 8 rotate.
During use, casing 1 is fixed on the vehicle frame, wheel is fixed on the semiaxis 8, when motor 1 energized, motor shaft 3 produces rotation, motor shaft 3 connects power shaft 14 and rotates thereupon, driving gear 15 on the power shaft 14,17 rotate thereupon, under the initial condition, friction plate cut spring 34 will be installed in the active friction plate 37 on driven keyway cover 38 and automatic clutch 19 shells and back down from movable friction plate 35, this moment, active friction plate 37 was in released state from movable friction plate 35, this moment, centrifugal ball 33 also was in not apocarpy, the power of power shaft 14 is transferred to low-speed active gear 17 by unilateral bearing 31 and is sent to low speed driven gear 18 again, low speed driven gear 18 drives output shaft 22, output shaft 22 by advance driving gear 11 or reverse driving gear 7 again with transmission of power on sliding part 29 and jack shaft 10 and jack shaft output gear 26, jack shaft output gear 26 engages fixed are rotated at the tail tooth of differential bag 5, the differential incrustation drives conical tooth wheel shaft 53, thereby axle shaft gear 52 and semiaxis 8 rotate the power output of finishing one grade, otherwise the speed of vehicle also is that the slowest moment of torsion is maximum.
When the rising of motor 1 rotating speed reaches certain rotating speed, the centrifugal inertial force of automatic clutch 19 increases, the centrifugal ball 33 that is installed in automatic clutch 19 ends along slope groove 32 by the outside centrifugal rolling of lining radius vector, because of slope groove 32 spaces that centrifugal ball 33 places are installed big outer narrow in being, centrifugal ball 33 produces axial thrust when the radially outward centrifugal rolling of automatic clutch 19, force friction plate to overcome the pressure of friction plate cut spring 34, make on the automatic clutch 19 active friction plate 37 and from movable friction plate 35 in conjunction with transmission, power is delivered to high speed driven gear 16 by the high speed driving gear 15 on the power shaft 14, high speed driven gear 16 is again by main, be delivered to output shaft 22 from movable friction plate combination and driven keyway cover 38, the rotating speed of low-speed active gear 17 exceeds the rotating speed of power shaft 14 at this moment, the unilateral bearing 31 that cooperates with power shaft 14 surmounts down at low-speed active gear 17 rotating speeds, power shaft 14 and unilateral bearing 31 produce and skid, make the power of power shaft 14 can not pass to low-speed active gear 17, this moment, output shaft 22 was just driven by high speed driven gear 16, thereby finish the output of second gear power, realize automatic gear-shifting.Otherwise, when motor 1 rotating speed descends, because reducing of automatic clutch 19 centrifugal inertial forces, the position that centrifugal ball 33 recovers original skewed slot 32 bottom lands, make opposite action with upper-part, the driving and driven friction plate of automatic clutch 19 is separated under the effect of friction plate cut spring 34, at this moment the power of high speed driven gear 16 can not be transferred on the output shaft 22, and this moment, the power of power shaft 14 was delivered to low-speed active gear 17 engagement low speed driven gears 18 again to output shaft 22 transferring power by unilateral bearing 31 again; Described unilateral bearing is available pawl formula or one-way clutch also.
As shown in Figure 10, Figure 15, described sliding part 29 is provided with dowel hole 62, dowel hole 62 is enclosed within on the keyway 63, and sliding part 29 can not be rotated on jack shaft 10 only with axial move left and right, and the described counter gear 50 and the driven gear 12 that advances can rotate on jack shaft 10.Differential bag 5 and semiaxis 8 need counter-rotating during reversing, reverse driving gear 7 engagement reverse idler gears 9, and the reverse idler gear 9 engagement counter gears 50 and driven gear 12 phase reversals of advancing realize that finally 5 counter-rotatings of differential bag realize the reversing purpose.At this moment spur control cord 57 rocker arm brackets 56 and drive Rocker arm 5s 5 swings; Rocker arm 55 is stirred shift fork 30; shift fork 30 is stirred sliding part 29 and moved and make sliding part 29, counter gear 50 and jack shaft 10 in conjunction with rotating when counter gear 50 in boss 59 inserting holes 58; sliding part 29 drives jack shaft 10 and 26 counter-rotatings of jack shaft output gear when rotating; otherwise spur another root control cord 57 shift forks 30 sliding part 29 is moved to the driven gear 12 that advances, thereby realize the switching of rotating.
As shown in figure 14, the power of motor 2 is transferred to tail tooth 6 and directly drives whole differential bag 5 rotations after speed change, be delivered to conical tooth wheel shaft 53, angular wheel 54, drive left and right sides axle shaft gear 52 in the differential bag 5 again, axle shaft gear 52 drives left and right sides semiaxis 8 and then drive wheels, when the vehicle straight-line travelling, differential bag 5 shells, angular wheel 54, the identical differential mechanism with the drive wheels rotating speed of left and right half gear 52 are not worked this moment.Work as Ackermann steer angle, wheel interior at one time distance of being walked in both sides does not wait, the distance that foreign steamer moves is bigger than interior wheel, because the left and right wheels stressing conditions changes, feedback is on axle shaft gear 52, and this moment, differential wrapped in work, angular wheel 54, axle shaft gear 52 produce rotation in revolution, automatically increased the rotating speed of outer wheel, outer wheel is accelerated, interior wheel is slack-off and play the effect of differential.
Each gear of the present invention also can change belt pulley or sprocket wheel into, and engaged transmission each other becomes belt or chain drive, also can reach the technique effect of driving coupling; Unilateral bearing of the present invention also can be one-way clutch, also can reach the technique effect of driving coupling.
Claims (10)
1. electric motor car automatic speed changing motor, it comprises casing (1), and casing (1) sidewall is provided with motor (2), and motor (2) is provided with motor shaft (3);
It is characterized in that:
Described casing (1) sidewall is provided with power shaft installing hole (13), output shaft installing hole (21) and axle hole (4), is provided with power shaft (14), output shaft (22) in the described casing (1);
Described motor shaft (3) connects rotation with power shaft (14); Described output shaft (22) and tail tooth (6) driving coupling, tail tooth (6) and axle shaft gear (52) driving coupling;
Described power shaft (14) is provided with high speed driving gear (15) and low-speed active gear (17);
Described output shaft (22) is provided with automatic clutch (19), and high speed driven gear (16) is fixed on the automatic clutch (19); High speed driven gear (16) and high speed driving gear (15) driving coupling; Be provided with unidirectional driver (20) between described output shaft (22) and the low speed driven gear (18), described low-speed active gear (17) and low speed driven gear (18) driving coupling.
2. electric motor car automatic speed changing motor according to claim 1, it is characterized in that: described output shaft (22) is provided with driven keyway cover (38), be provided with from movable friction plate (35) and active friction plate (37) between driven keyway cover (38) and automatic clutch (19) shell, the friction plate end face portion is provided with friction plate cut spring (34), friction plate and clutch (19) are provided with slope groove (32) between the bottom, centrifugal ball (33) is located in the slope groove (32), and slope groove (32) and centrifugal ball (33) are formed a centrifugal axial thrust mechanism.
3. electric motor car automatic speed changing motor according to claim 1, it is characterized in that: described tail tooth (6) is connected on the differential bag (5), differential bag (5) lining is provided with conical tooth wheel shaft 53, axle shaft gear (52) and angular wheel (54), and semiaxis 8 is connected on the axle shaft gear (52).
4. electric motor car automatic speed changing motor according to claim 1, it is characterized in that: described output shaft (22) is provided with advance driving gear 11 and reverse driving gear 7, advance driving gear 11 with advance driven gear 12 engaged transmission, described reverse driving gear 7 and counter gear 50 driving coupling, described advancing is provided with sliding part (29) between driven gear 12 and the counter gear 50, described advance driven gear 12 and counter gear 50 can be gone up at jack shaft (10) and rotate, jack shaft output gear 26 is fixed on the jack shaft (10), sliding part (29) is provided with and can makes the axially movable shift fork in its left and right sides (30), shift fork (30) stir sliding part (29) when mobile sliding part (29) can rotate with advance driven gear 12 or counter gear 50 engagement connections.
5. electric motor car automatic speed changing motor according to claim 1, it is characterized in that: be provided with roller shaft seat (42) in the described unidirectional driver (20), roller shaft seat (42) is provided with roller bearing slope groove (48), be provided with roller bearing (43) in the roller bearing slope groove (48), be provided with spring (36) between spring base (41) and the roller bearing (43).
6. electric motor car automatic speed changing motor, it comprises casing (1), and casing (1) sidewall is provided with motor (2), and motor (2) is provided with motor shaft (3);
It is characterized in that:
Described casing (1) sidewall is provided with power shaft installing hole (13), output shaft installing hole (21) and axle hole (4), is provided with power shaft (14), output shaft (22) in the described casing (1);
Described motor shaft (3) connects rotation with power shaft (14); Described output shaft (22) and tail tooth (6) driving coupling, tail tooth (6) and axle shaft gear (52) driving coupling;
Described power shaft (14) is provided with high speed driving gear (15) and low-speed active gear (17);
Described output shaft (22) is provided with automatic clutch (19), and high speed driven gear (16) is fixed on the automatic clutch (19); High speed driven gear (16) and high speed driving gear (15) driving coupling; Low-speed active gear (17) is fixed on the output shaft (22), described low-speed active gear (17) and low speed driven gear (18) driving coupling;
Be provided with unilateral bearing (31) between described power shaft (14) and the low-speed active gear (17).
7. electric motor car automatic speed changing motor according to claim 6, it is characterized in that: described output shaft (22) is provided with driven keyway cover (38), be provided with between driven keyway cover (38) and automatic clutch 19 shells from movable friction plate (35) and active friction plate (37), the friction plate end face portion is provided with friction plate cut spring (34), friction plate and clutch (19) are provided with slope groove (32) between the bottom, centrifugal ball (33) is located in the slope groove (32), and slope groove (32) and centrifugal ball (33) are formed a centrifugal axial thrust mechanism.
8. electric motor car automatic speed changing motor according to claim 6, it is characterized in that: described tail tooth (6) is connected on the differential bag (5), differential bag (5) lining is provided with conical tooth wheel shaft 53, axle shaft gear (52) and angular wheel (54), and semiaxis 8 is connected on the axle shaft gear (52).
9. electric motor car automatic speed changing motor according to claim 6, it is characterized in that: described output shaft (22) is provided with advance driving gear 11 and reverse driving gear 7, advance driving gear 11 with advance driven gear 12 engaged transmission, described reverse driving gear 7 and counter gear 50 driving coupling, described advancing is provided with sliding part (29) between driven gear 12 and the counter gear 50, described advance driven gear 12 and counter gear 50 can be gone up at jack shaft (10) and rotate, jack shaft output gear 26 is fixed on the jack shaft (10), sliding part (29) is provided with and can makes the axially movable shift fork in its left and right sides (30), shift fork (30) stir sliding part (29) when mobile sliding part (29) can rotate with advance driven gear 12 or counter gear 50 engagement connections.
10. electric motor car automatic speed changing motor according to claim 6, it is characterized in that: be provided with roller shaft seat (42) in the described unidirectional driver (20), roller shaft seat (42) is provided with roller bearing slope groove (48), be provided with roller bearing (43) in the roller bearing slope groove (48), be provided with spring (36) between spring base (41) and the roller bearing (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102011055A CN102270897A (en) | 2010-06-03 | 2010-06-03 | Automatic variable speed motor for electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102011055A CN102270897A (en) | 2010-06-03 | 2010-06-03 | Automatic variable speed motor for electric vehicle |
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| CN102270897A true CN102270897A (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102011055A Pending CN102270897A (en) | 2010-06-03 | 2010-06-03 | Automatic variable speed motor for electric vehicle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184255A (en) * | 2014-08-28 | 2014-12-03 | 浙江力宝高新建材股份有限公司 | Automatic gear shifting differential motor |
| CN107336774A (en) * | 2017-06-13 | 2017-11-10 | 昆明理工大学 | A kind of balance car base apparatus |
| CN107791805A (en) * | 2017-11-29 | 2018-03-13 | 常州格力博有限公司 | From Force system of walking about |
| CN110939698A (en) * | 2019-12-04 | 2020-03-31 | 西南大学 | Full-mechanical self-adaptive automatic speed change system with reverse gear |
| CN110949129A (en) * | 2019-12-04 | 2020-04-03 | 西南大学 | Intelligent self-adaptive automatic speed changing system with transmission sensing function |
| WO2020187046A1 (en) * | 2019-03-18 | 2020-09-24 | 重庆宗申集研机电科技有限公司 | Automatic transmission system of electric vehicle |
| CN111917237A (en) * | 2019-08-09 | 2020-11-10 | 浙江安保龙智能安防科技有限公司 | Wide intelligent curtain motor that opens and shuts of range of application |
| CN113665725A (en) * | 2021-09-22 | 2021-11-19 | 浙江创台车业有限公司 | Two-wheel hybrid power motorcycle and one-way transmission mechanism |
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2010
- 2010-06-03 CN CN2010102011055A patent/CN102270897A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184255A (en) * | 2014-08-28 | 2014-12-03 | 浙江力宝高新建材股份有限公司 | Automatic gear shifting differential motor |
| CN104184255B (en) * | 2014-08-28 | 2017-02-15 | 浙江力宝高新建材股份有限公司 | Automatic gear shifting differential motor |
| CN107336774A (en) * | 2017-06-13 | 2017-11-10 | 昆明理工大学 | A kind of balance car base apparatus |
| CN107791805A (en) * | 2017-11-29 | 2018-03-13 | 常州格力博有限公司 | From Force system of walking about |
| WO2020187046A1 (en) * | 2019-03-18 | 2020-09-24 | 重庆宗申集研机电科技有限公司 | Automatic transmission system of electric vehicle |
| CN111917237A (en) * | 2019-08-09 | 2020-11-10 | 浙江安保龙智能安防科技有限公司 | Wide intelligent curtain motor that opens and shuts of range of application |
| CN110939698A (en) * | 2019-12-04 | 2020-03-31 | 西南大学 | Full-mechanical self-adaptive automatic speed change system with reverse gear |
| CN110949129A (en) * | 2019-12-04 | 2020-04-03 | 西南大学 | Intelligent self-adaptive automatic speed changing system with transmission sensing function |
| CN110939698B (en) * | 2019-12-04 | 2022-03-01 | 西南大学 | Full-mechanical self-adaptive automatic speed change system with reverse gear |
| CN110949129B (en) * | 2019-12-04 | 2022-04-22 | 西南大学 | Intelligent self-adaptive automatic speed changing system with transmission sensing function |
| CN113665725A (en) * | 2021-09-22 | 2021-11-19 | 浙江创台车业有限公司 | Two-wheel hybrid power motorcycle and one-way transmission mechanism |
| CN113665725B (en) * | 2021-09-22 | 2023-01-10 | 浙江创台车业有限公司 | Two-wheel hybrid power motorcycle and one-way transmission mechanism |
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Application publication date: 20111207 |