CN104309474A - Transmission mechanism and transmission method for driven wheel of continuously variable transmission of electromobile - Google Patents
Transmission mechanism and transmission method for driven wheel of continuously variable transmission of electromobile Download PDFInfo
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- CN104309474A CN104309474A CN201410496173.7A CN201410496173A CN104309474A CN 104309474 A CN104309474 A CN 104309474A CN 201410496173 A CN201410496173 A CN 201410496173A CN 104309474 A CN104309474 A CN 104309474A
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Abstract
The invention relates to the technical field of transmission devices of electromobiles and discloses a transmission mechanism and a transmission method for a driven wheel of a continuously variable transmission of an electromobile. The transmission method is realized by a driven wheel transmission mechanism of the continuously variable transmission of the electromobile. The driven wheel transmission mechanism comprises a driven wheel, a driven shaft and a driven gear, wherein the driven wheel is formed by combining a driven wheel fixed conical disc and a driven wheel movable conical disc; a thrust spring which axially moves towards the driven wheel fixed conical disc is arranged outside a shaft sleeve of the driven wheel movable conical disc; one end of the thrust spring is in contact with the driven wheel movable conical disc; the other end of the thrust spring is in contact with a fixed thrust bearing fixed on a driven shaft spring seat; a driving groove for transmitting the torque to the driven shaft is axially formed in the shaft sleeve of the driven wheel movable conical disc; the driving groove sleeves a driving pin of the driven shaft. According to the continuously variable transmission consisting of the transmission mechanism disclosed by the invention, the performance requirements of the electromobile on high-speed driving, low-speed climbing and low-speed backing can be met. The transmission mechanism and the transmission method disclosed by the invention have the advantages of simple structure, convenience for operation, low production cost and easiness for popularization and generalization.
Description
Technical field
The present invention relates to speed-changing device of electric vehicle technical field, particularly relate to a kind of flower wheel transport sector and transmission method of battery-driven car progressive gear transmission.
Background technology
At present, as the new forms of energy vehicle of energy-saving and emission-reduction---the appearance of battery-driven car of riding instead of walk, explore a new road for saving energy and protect environment.
Although ride instead of walk, electric vehicle motor range of speed is adjustable, is also difficult to meet the performance requriements of running at high speed with during low speed climbing simultaneously.Current battery-driven car of riding instead of walk propulsion source used is all high-speed motor, particularly occupation rate alternating-current motor/AC motor in rising trend, and its maximum speed of revolution is mostly 6000 ~ 9000 revs/min, and the power that motor exports has to pass through reducing gearbox and could drive vehicle.The reduction ratio of gear case affects the performance of vehicle largely.Because having various different operating mode in vehicle is advanced, certain tractive force is had when should ensure starting and climbing, certain speed can be reached when ensureing flat pavement running again, weigh between the little moment of torsion of high speed and low-speed big again, looked after road speed often and but have lost a part of hill climbing ability.Be equipped with the vehicle of simple speed-changing gear box, when starting or climbing, electrical motor is in the work of low efficiency district, and the energy that meeting loss is more affects course continuation mileage and the service life of battery.
Because electric current required when its low speed is climbed is excessive and bring a series of drawbacks such as battery efficiency is on the low side, course continuation mileage decline, shorter battery life.Existing synchro formula gear transmission, needs when gear shift position to cut off power with power-transfer clutch, otherwise the gear shift that just can not be well on, due to the existence of power-transfer clutch, gear shift frequent operation difficulty, and increase cost, difficulty of processing is large.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of flower wheel transport sector and transmission method of battery-driven car progressive gear transmission.
For achieving the above object, the present invention adopts following technical scheme:
A kind of flower wheel transport sector of battery-driven car progressive gear transmission, comprise: flower wheel, driven shaft, driven gear, flower wheel by the flower wheel fixed cone dish be fixed on driven shaft with to be nested with on driven shaft the movable cone dish of flower wheel and to be combined and to form, flower wheel movable cone dish axle sleeve is outside equipped with the thrust spring moved axially to flower wheel fixed cone dish, thrust spring one end contacts with the movable cone dish of flower wheel, the thrust spring other end with to be fixed on driven shaft spring perch fixing thrust bearing contacts, and flower wheel movable cone dish axle sleeve radial direction is provided with the driver slot to driven shaft transfer of torque, driver slot is nested with on the drive pin of driven shaft, driven gear on driven shaft is connected with a joggle by reducing gear and diff,
Wherein, corresponding with the flower wheel of driven shaft housing is provided with the output speed sensor that is monitored secondary speed.
The flower wheel transport sector of this battery-driven car progressive gear transmission, described driven shaft one end is provided with the reduced diameter section in order to fixing flower wheel fixed cone dish, the centre of driven shaft is provided with the enlarged diameter section being nested with the movable cone dish of the flower wheel moved axially, and the driven shaft of enlarged diameter section is provided with the drive pin corresponding with driver slot on flower wheel movable cone dish axle sleeve; The reduced diameter section of the driven shaft other end is sequentially provided with spring perch installation position, driven shaft bearing installation position, driven gear installation position.
The flower wheel transport sector of this battery-driven car progressive gear transmission, on the axle sleeve of the movable cone dish of described flower wheel, driver slot is symmetrical equicrural triangle hole, symmetrical equicrural triangle hole is nested with respectively on the drive pin of driven shaft, there is in described equicrural triangle hole an isosceles limit corresponding to drive pin for forward drive transmission torsion, and for another isosceles limit corresponding to the drive pin of reverse drive transmission torsion.
A flower wheel transmission method for battery-driven car progressive gear transmission, adopt the method for the flower wheel transport sector transmission power of battery-driven car progressive gear transmission, its step is as follows:
1), forward travel, when driving force motor starts, forward runs, and driving force motor drives the driving wheel of driving wheel transport sector to rotate, and driving wheel drives the flower wheel of flower wheel transport sector to rotate by rubber transmission belting,
On flower wheel movable cone dish axle sleeve, torsional forces is directly delivered on driven shaft by drive pin by the inclined-plane, isosceles limit in equicrural triangle hole, and the driven gear on driven shaft is by the external output torque power of main reduction gear;
2), traveling is swung to, power motor rotates backward, power motor drives driving wheel to rotate backward, adjustment motor rotates backward, governor gear is driven to rotate by train of reduction gears, make governor gear drive active movement cone rim axially gradually to leave initiatively fixed cone dish, reduce the working diameter of rubber transmission belting on driving wheel, increase the working diameter of rubber transmission belting on flower wheel;
Driving wheel drives flower wheel reversion by rubber transmission belting, another inclined-plane, isosceles limit in equicrural triangle hole symmetrical on driven movable cone dish axle sleeve on the flower wheel of reversion drives driven shaft to rotate backward by drive pin, driven gear on driven shaft drives wheel shaft to rotate backward by main reduction gear, diff, carries out the backward of lower-speed state.
Owing to adopting technical scheme as above, the present invention has following preceence:
The flower wheel transport sector of battery-driven car progressive gear transmission and a transmission method, the progressive gear transmission of composition, can meet the requirement of running at high speed with low speed grade climbing performance simultaneously; The performance requriements of electronlmobil reversing can also be met, and when climbing, the electric current needed for low speed is adopted to remain unchanged, hill climbing ability is strong, can not be excessive because of discharge current, and bring a series of drawbacks such as the lost of life that efficiency reduces, battery uses that battery durable mileage declines, battery uses.Its structure is simple, easy to operate, productive costs is low, is easy to popularize.
Accompanying drawing explanation
Fig. 1 is the structural representation of battery-driven car progressive gear transmission of the present invention.
Fig. 2 is that driving wheel transmission drives with electric speed regulation the schematic diagram be connected through spiral thrust.
Fig. 3 is the structural representation of flower wheel transport sector.
Fig. 4 is the body structure schematic diagram of electronlmobil progressive gear transmission;
Fig. 5 is the spiral thrust structural scheme of mechanism of electronlmobil progressive gear transmission;
Fig. 6 is the structural representation of ball-screw thruster.
Fig. 7 is with tri-angle-holed driven movable cone dish structural representation.
In figure: 1--power motor, 2--regulates motor, 3--Speed sensing circle, 4--train of reduction gears, 4.1--input gear, 4.2--output gear, 5--driving wheel fixed cone dish, 6--driving band, the movable cone dish of 7--driving wheel, 8--governor gear, 8.1--cylindrical shell, 8.2--external tooth, 8.3--angular contact ball bearing, 8.4--boss, 9--spiral thrust seat, 9.1--ball, 10--position transduser, 11--flower wheel fixed cone dish, the movable cone dish of 12--flower wheel, 12.1--axle sleeve, 12.2--is tri-angle-holed, 13--drive pin, 14--main reduction gear, 15--diff, 16--spring perch, 16.1--oil sealing, 17--bonnet, 18--main casing, 19--protecgulum, 20--thrust spring, 21--thrust baring, 22--imput shaft tachogen, 23--output speed sensor, the shockproof sealing surface 24 of 24--, 25--imput shaft axis, 26--driven shaft axis, the driven bearing of 27--, 28--driven gear.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by best embodiment, the present invention is described in detail.
As Fig. 1, 2, 3, 4, 5, 6, shown in 7, a kind of flower wheel transport sector of battery-driven car progressive gear transmission, comprise: flower wheel, driven shaft, driven gear, flower wheel by the flower wheel fixed cone dish 11 be fixed on driven shaft with to be nested with on driven shaft the movable cone dish 12 of flower wheel and to be combined and to form, flower wheel movable cone dish 12 axle sleeve is outside equipped with the thrust spring 20 moved axially to flower wheel fixed cone dish 11, thrust spring 20 one end contacts with the movable cone dish of flower wheel, thrust spring 20 other end with to be fixed on driven shaft spring perch fixing thrust baring 21 and to contact, and flower wheel movable cone dish 12 axle sleeve radial direction is provided with the driver slot to driven shaft transfer of torque, driver slot is nested with on the drive pin 13 of driven shaft, driven gear on driven shaft is connected with a joggle by reducing gear 14 and diff 15, as shown in Figure 3.
The battery-driven car progressive gear transmission of composition, comprise: housing, driving wheel transport sector, flower wheel transport sector, electric speed regulation actuating device, spiral thrust device, the driving wheel of the driving wheel transport sector in described housing is connected with the flower wheel of flower wheel transport sector by driving band 6; Described driving wheel transport sector is formed by connecting the driving wheel to flower wheel transport sector transfer of torque that the imput shaft of power motor 1 and imput shaft are arranged, described driving wheel is made up of the movable cone dish 7 of the driving wheel fixed cone dish 5 be fixed in imput shaft and the driving wheel be nested with in imput shaft, and the movable cone dish 7 of driving wheel is connected with electric speed regulation actuating device by the spiral thrust device in imput shaft;
Described electric speed regulation actuating device comprises: variable-speed controller, adjustment motor 2 and train of reduction gears 4, input gear 4.1 in gear and train of reduction gears that the adjustment motor 2 that variable-speed controller controls is arranged is connected with a joggle, and another output gear 4.2 in train of reduction gears and the governor gear 8 of spiral thrust device are connected with a joggle; As shown in Figure 1, 2.
Described spiral thrust device comprises: the governor gear 8 of movable part, the spiral thrust seat 9 of fixed parts, the governor gear 8 of described movable part is made up of the external tooth 8.2 that cylindrical shell 8.1 is arranged, external tooth 8.2 and the train of reduction gears output gear 4.2 of governor gear are connected with a joggle, and move along train of reduction gears output gear 4.2; The negative thread of cylindrical shell 8.1 one end setting of governor gear and the outside thread screwed connection of spiral thrust seat 9, spiral thrust seat 9 one end is axially fixed in the axis hole of housing; The angular contact ball bearing 8.3 that the angular contact ball bearing seat that cylindrical shell 8.1 other end of governor gear is arranged is fixed be nested be fixed on the movable cone dish 7 of driving wheel axle sleeve on, form the governor gear 8 of described movable part under the effect of electric speed regulation actuating device, the spiral thrust seat 9 of relative fixed parts moves axially, and drives the movable cone dish 7 of driving wheel along the structure of imput shaft longitudinal travel; And the boss 8.4 that governor gear 8 side is arranged is corresponding with spacing block fixing on housing.As shown in Fig. 2,5.
Wherein, the movable cone dish 7 of driving wheel is done and driving wheel fixed cone dish 5 moving axially in opposite directions under electric speed regulation actuating device, the effect of spiral thrust device, and the movable cone dish 12 of the flower wheel of movement is done under the effect of driving band and flower wheel fixed cone dish 11 moving axially dorsad; Forms the driving band working diameter regulated in driving wheel " V " type belt grooves between the movable cone dish 7 of the driving wheel that moves axially and driving wheel fixed cone dish 5, and driving wheel activity cone dish 7 forms the driving band working diameter regulated in flower wheel " V " type belt grooves between the flower wheel activity cone dish 12 of movement and flower wheel fixed cone dish 11 dorsad; Thus draw the transmitting ratio regulating rotating speed between imput shaft and driven shaft;
Wherein, corresponding with driving wheel housing is provided with the position transduser 10 that the movable cone dish 7 of monitoring driving wheel moves axially; Imput shaft is provided with Speed sensing circle 3, the housing corresponding with Speed sensing circle in imput shaft is provided with the imput shaft tachogen 22 that is monitored imput shaft rotating speed; The housing corresponding with the flower wheel of driven shaft is provided with the output speed sensor 23 that is monitored secondary speed.
The spiral thrust device of this battery-driven car toric transmission or replace with ball-screw thruster; Ball-screw thruster is made up of governor gear 8, ball, spiral thrust seat 9, governor gear 8 is connected and composed by the external tooth on cylindrical shell and cylindrical shell, the ball be connected is evenly equipped with in the spiral channel formed between the negative thread of described cylindrical shell one end and the outside thread of spiral thrust seat 9, the cylindrical shell other end is nested with on the axle sleeve of the movable cone dish 7 of driving wheel by angular contact ball bearing, forms governor gear 8 and drives the movable cone dish 7 of driving wheel along the thrust structure of imput shaft longitudinal travel.As shown in Figure 6.
Driven shaft one end of this battery-driven car toric transmission is provided with the reduced diameter section in order to fixing flower wheel fixed cone dish 11, the centre of driven shaft is provided with the enlarged diameter section being nested with the movable cone dish 12 of the flower wheel moved axially, and the driven shaft of enlarged diameter section is provided with the drive pin 13 corresponding with driver slot on flower wheel movable cone dish 12 axle sleeve; The reduced diameter section of the driven shaft other end is sequentially provided with spring perch 16 installation position, driven shaft bearing 27 installation position, driven gear 28 installation position.As shown in Figure 3.
On the axle sleeve 12.1 of the movable cone dish 12 of flower wheel of this battery-driven car toric transmission, driver slot is symmetrical equicrural triangle hole 12.2, symmetrical equicrural triangle hole 12.2 is nested with respectively on the drive pin 13 of driven shaft, there is in described equicrural triangle hole 12.2 the isosceles limit of drive pin 13 correspondence for forward drive transmission torsion, and another isosceles limit of drive pin 13 correspondence for reverse drive transmission torsion.As shown in Figure 7.
The rear chamber that the housing 18 that the casing of this battery-driven car toric transmission has toric transmission is combined into bonnet 17, and housing 18 be combined into protecgulum 19 before cavity; As shown in Fig. 1,4.
Described rear chamber has the driving wheel transport sector cavity arranging driving wheel transport sector, above the side level of described driving wheel transport sector cavity, there is the cavity arranging electric speed regulation actuating device, there is above opposite side level the cavity arranging flower wheel transport sector; The housing 18 corresponding with described driving wheel transport sector cavity has makes the imput shaft of driving wheel transport sector pass and bearings mounted circular mounting hole; Corresponding with the circular mounting hole of housing 18 and be coaxially arranged with to hold the circular cavity of the induction coil 3 that the imput shaft of driving wheel transport sector and imput shaft are nested with; The housing 18 corresponding with described flower wheel transport sector cavity has makes the driven shaft of flower wheel transport sector pass and bearings mounted circular mounting hole;
Have in described front cavity in order to hold with driven shaft on be nested with driven gear 28 cavity, there is cavity in order to hold the main reduction gear 14 be connected with a joggle with the driven gear that is nested with on driven shaft, have in order to arrange and the cavity of diff 15 that main reduction gear is connected with a joggle;
The side being positioned at the cavity that driven gear 28 is set in order to the cavity arranging main reduction gear 14 had in front cavity, the described cavity arranging diff 15 is positioned at the side, below of the cavity arranging main reduction gear 14; Described cavity, the cavity arranging main reduction gear and the cavity that arranges diff arranging driven gear is circular cavity;
The slave axis line 26 of the axial line of the circular cavity of diff 15, the circular cavity of driven gear 28, the axial line of main reduction gear 14 circular cavity three some lines crossing with cross-sectional plane are obtuse-angled triangle, and the axial line Section Point of the circular cavity of diff 15 is obtuse angle through axial line Section Point to the angle of slave axis line 26 Section Point of the circular cavity of driven gear of main reduction gear 14 circular cavity; Wherein, the housing 18 that driving wheel transport sector cavity is corresponding and the face that electrical motor 1 is combined are the shockproof sealing surface 24 of elasticity.
The variable-speed controller of this battery-driven car toric transmission has the microprocessor of processing signals, by the position transduser 10 of analogue to digital conversion interface and the displacement of monitoring active movement cone dish 7, is connected with the sensor electrical of monitoring motor speed adjustment position potentiometer; By the imput shaft tachogen 22 of Gather and input interface and monitoring imput shaft rotating speed, be electrically connected with the output speed sensor 23 of monitoring output speed; Be connected with drag sensor electrical by data-interface; Be electrically connected with the adjustment motor in electric speed regulation actuating device through motor-drive circuit by pulse-width modulation PWM end interface.
A kind of infinite variable speed method of battery-driven car, the spiral thrust device controlled by electric speed regulation actuating device, change the driving band working diameter on the driving wheel of driving wheel transport sector and the flower wheel of flower wheel transport sector, regulate the speed ratio of imput shaft and driven shaft, its step is as follows:
1), forward travel time, electric speed regulation actuating device is energized, and the adjustment motor that variable-speed controller controls is in and treats mode of operation, and the speed ratio of imput shaft and driven shaft, remains unchanged;
When driving force motor 1 startup optimization, driving force motor 1 drives the driving wheel of driving wheel transport sector to rotate, simultaneously, the microprocessor of variable-speed controller receives the position transduser 10 of driving wheel movable cone dish 7 displacement by monitoring, monitoring receives the driving wheel tachogen 22 of imput shaft rotating speed, monitoring receives the secondary speed sensor 23 of output speed, and monitoring receives the electric signal controlling driving force motor 1 speed speed line sensor, process through microprocessor, the hand of rotation of control and regulation motor 2 and rotating speed, reach the speed ratio automatically regulating imput shaft and driven shaft, control the moment of torsion that wheel shaft is exported,
A) when starting to walk or go up a slope, the microprocessor of variable-speed controller carries out computing to each electric signal that monitoring receives, compared with the starting of the imput shaft calculated and the speed ratio of driven shaft and the imput shaft of storage and driven shaft or upward slope speed ratio, the speed ratio compared is identical, microprocessor judges increases speed ratio, control and regulation motor 2 rotates backward, spiral thrust device is driven to reduce the working diameter of rubber transmission belting 6 on driving wheel by train of reduction gears 4, increase the working diameter of rubber transmission belting 6 on flower wheel, increase moment of torsion;
Wherein, governor gear 8 negative thread of spiral thrust device rotates along the outside thread of spiral thrust seat 9, governor gear 8 is made to drive active movement cone dish 7 slowly to leave initiatively fixed cone dish 5 along axle, increase cross section between the movable cone dish 7 of driving wheel and driving wheel fixed cone dish 5 and form the spacing of " V " type groove, driving band 6 is moved to drive sprocket axle core, reduces the working diameter of driving wheel upper driving band 6;
Simultaneously, along with the dragging of driving band 6 at flower wheel is loosened, on driven shaft, the movable cone dish 12 of flower wheel is by the effect of thrust spring 20 axial force, rubber transmission belting 6 is moved to flower wheel edge, reduce cross section between flower wheel fixed cone dish 11 and flower wheel movable cone dish 12 and form the spacing of " V " type groove, thus realize the movable cone dish 12 of flower wheel and close up with flower wheel fixed cone dish 11, increase the working diameter of rubber transmission belting 6 on flower wheel, thus reach deceleration;
On flower wheel movable cone dish 12 axle sleeve, torsional forces is directly delivered on driven shaft by drive pin 13 by the inclined-plane, isosceles limit in equicrural triangle hole 12.2, and the driven gear 28 on driven shaft is by main reduction gear 14 externally output torque power;
B) when level road, the microprocessor of variable-speed controller carries out computing to each electric signal that monitoring receives, the imput shaft calculated and the speed ratio of driven shaft with the imput shaft of storage compared with the level road speed ratio of driven shaft, the speed ratio compared is identical, microprocessor judges reduces speed ratio, send instruction, control and regulation motor 2 rotates forward, and regulates motor 2 by train of reduction gears 4, spiral thrust device, the working diameter of rubber transmission belting 6 on driving wheel to be increased; On flower wheel, the working diameter of rubber transmission belting 6 reduces, and reaches the auxiliary object accelerated;
Wherein, governor gear 8 negative thread of spiral thrust device rotates along the outside thread of spiral thrust seat 9, the movable cone dish 7 of driving wheel that governor gear 8 is connected by angular contact ball bearing 8.3 is axially slowly mobile to work along driving wheel fixed cone dish 5, reduce cross section between the movable cone dish 7 of driving wheel and driving wheel fixed cone dish 5 and form the spacing of " V " type groove, along with rubber transmission belting 6 drags the rotation of flower wheel, gradually increase the working diameter of rubber transmission belting 6 between the movable cone dish 7 of driving wheel and driving wheel fixed cone dish 5;
Simultaneously, the rubber transmission belting 6 of tension, impel the movable cone dish 12 of the flower wheel on driven shaft overcome spring force and flower wheel fixed cone dish 11 from, thus realize driven movable cone dish 12 and open with driven fixed cone dish 11, increase cross section between flower wheel fixed cone dish 11 and flower wheel movable cone dish 12 and form the spacing of " V " type groove, reduce the working diameter of rubber transmission belting 6 on flower wheel, thus realize speedup;
When microprocessor monitors receives the electric signal reduction controlling driving force motor 1 speed potential device speed line sensor, microprocessor judges power motor 1 slows down, the adjustment motor 2 of Microprocessor S3C44B0X, makes the speed ratio of imput shaft and driven shaft remain unchanged;
When microprocessor monitors receives the electric signal of brake, microprocessor sends instruction, make adjustment motor 2 reduce the working diameter of rubber transmission belting 6 on driving wheel by spiral thrust device, increase the working diameter of rubber transmission belting 6 on flower wheel, deceleration assist brake;
C) during descending, the microprocessor of variable-speed controller carries out computing to each electric signal that monitoring receives, the imput shaft calculated and the speed ratio of driven shaft with the imput shaft of storage compared with the descending speed ratio of driven shaft, the speed ratio compared is identical, Microprocessor S3C44B0X regulates motor 2 static, and the speed ratio of imput shaft and driven shaft remains unchanged;
When microprocessor monitors receives the electric signal of brake, microprocessor sends instruction, by the working diameter regulating motor 2, spiral thrust device to reduce rubber transmission belting 6 on driving wheel, increase the working diameter of rubber transmission belting 6 on flower wheel, deceleration assist brake;
2), when traveling need be swung to, power motor 1 rotates backward, power motor 1 drives driving wheel to rotate backward, variable-speed controller sends instruction, regulate motor 2 to rotate backward, drive governor gear 8 to rotate by train of reduction gears 4, make governor gear 8 drive active movement cone dish 7 gradually to leave initiatively fixed cone dish 5 vertically, reduce the working diameter of rubber transmission belting 6 on driving wheel, increase the working diameter of rubber transmission belting 6 on flower wheel;
Driving wheel drives flower wheel to reverse by rubber transmission belting 6, on the flower wheel of reversion driven movable cone dish 12 axle sleeve on another inclined-plane, isosceles limit in symmetrical equicrural triangle hole 12.2 drive driven shaft to rotate backward by drive pin 13, driven gear 28 drives wheel shaft to rotate backward by main reduction gear 14, diff 15, carries out the backward of lower-speed state.
Power motor 1 of the present invention is directly connect by spline with the driving wheel fixed cone dish 5 of speed-changing mechanism, driving wheel fixed cone dish is equipped with the induction coil 3 that is measured rotating speed.The conical surface of driving wheel fixed cone dish and the movable cone dish 7 of driving wheel forms " V " type groove, along with moving axially of the movable cone dish 7 of driving wheel, changes the position of rubber transmission belting 6 on cone dish.Flower wheel fixed cone dish 11 and the movable cone dish 12 of flower wheel keep frequent clamped condition by spring force.When torque is being transferred, rubber transmission belting is applied to the power on driven movable cone dish 12, is delivered on driven shaft by drive pin 13, then drives main reduction gear 14 and diff 15 externally output torque.When needing speed change, micro computer sends instruction, and control and regulation motor 2 drives reducing gear 4, governor gear 8 and spiral thrust mechanism 9, and the movable cone dish 7 of driving wheel is moved axially.
The movable cone dish 7 of driving wheel moves axially stroke, monitors by position transduser 10, and when the movable cone dish 7 of driving wheel falls back on end position, the boss 8.4 on governor gear 8 is collided with the block on housing, stops the too movement of the movable cone dish 7 of driving wheel.
Power motor 1 is delivered to the moment on driving wheel fixed cone dish, by regulating motor 2, spiral thrust device, makes the rubber transmission belting work on the movable cone dish of driving wheel and driving wheel fixed cone dish, then by rubber transmission belting effect to flower wheel; Driven movable cone dish 12 on flower wheel is opened two leg-of-mutton holes 12.2, hypotenuse and drive pin 13 produce application force mutually, driven movable cone dish 12 is to while drive pin 13 transmitting force, drive pin 13 produces axial reaction force to the inclined-plane of driven movable cone dish 12, rubber transmission belting 6 is held tighter, its gripping power increases along with the increase of moment of torsion.Electric vehicle " V " type rubber transmission belting interacts with the cone dish that can change V-type well width, and change driving disc spacing pressing and clutch plate working diameter make speed ratio change respectively.The change of working diameter is driven by the adjustment motor 2 of microcomputerized control, thus reach self-shifting object.
Above embodiment is the one of the present invention's more preferably detailed description of the invention, and the usual change that those skilled in the art carry out within the scope of the technical program and replacing should be included in protection scope of the present invention.
Claims (4)
1. the flower wheel transport sector of a battery-driven car progressive gear transmission, comprise: flower wheel, driven shaft, driven gear, it is characterized in that: flower wheel by the flower wheel fixed cone dish (11) be fixed on driven shaft with to be nested with on driven shaft movable cone dish (12) of flower wheel and to combine and form, movable cone dish (12) axle sleeve of flower wheel is outside equipped with the thrust spring (20) moved axially to flower wheel fixed cone dish (11), thrust spring (20) one end contacts with the movable cone dish of flower wheel, thrust spring (20) other end with to be fixed on driven shaft spring perch fixing thrust baring (21) and to contact, and movable cone dish (12) the axle sleeve radial direction of flower wheel is provided with the driver slot to driven shaft transfer of torque, driver slot is nested with on the drive pin (13) of driven shaft, driven gear on driven shaft is connected with a joggle by reducing gear (14) and diff (15),
Wherein, corresponding with the flower wheel of driven shaft housing is provided with the output speed sensor (23) that is monitored secondary speed.
2. the flower wheel transport sector of battery-driven car progressive gear transmission according to claim 1, it is characterized in that: described driven shaft one end is provided with the reduced diameter section in order to fixing flower wheel fixed cone dish (11), the centre of driven shaft is provided with the enlarged diameter section being nested with movable cone dish (12) of the flower wheel moved axially, and the driven shaft of enlarged diameter section is provided with the drive pin (13) that on cone dish (12) axle sleeve movable with flower wheel, driver slot is corresponding; The reduced diameter section of the driven shaft other end is sequentially provided with spring perch (16) installation position, driven shaft bearing (27) installation position, driven gear (28) installation position.
3. the flower wheel transport sector of battery-driven car progressive gear transmission according to claim 1, it is characterized in that: the upper driver slot of axle sleeve (12.1) of movable cone dish (12) of described flower wheel is symmetrical equicrural triangle hole (12.2), symmetrical equicrural triangle hole (12.2) is nested with respectively on the drive pin (13) of driven shaft, have in described equicrural triangle hole (12.2) for an isosceles limit corresponding to the drive pin (13) of forward drive transmission torsion, and for another isosceles limit corresponding to the drive pin (13) of reverse drive transmission torsion.
4. a flower wheel transmission method for battery-driven car progressive gear transmission, adopt the method for the flower wheel transport sector transmission power of battery-driven car progressive gear transmission, its step is as follows:
1), forward travel, when driving force motor (1) starts, forward runs, and driving force motor (1) drives the driving wheel of driving wheel transport sector to rotate, and driving wheel drives the flower wheel of flower wheel transport sector to rotate by rubber transmission belting (6),
On movable cone dish (12) axle sleeve of flower wheel, torsional forces is directly delivered on driven shaft by drive pin (13) by the inclined-plane, isosceles limit in equicrural triangle hole (12.2), and the driven gear 28 on driven shaft is by main reduction gear (14) externally output torque power;
2), traveling is swung to, power motor (1) rotates backward, power motor (1) drives driving wheel to rotate backward, motor (2) is regulated to rotate backward, governor gear (8) is driven to rotate by train of reduction gears (4), make governor gear (8) drive active movement cone dish (7) gradually to leave initiatively fixed cone dish (5) vertically, reduce the working diameter of rubber transmission belting (6) on driving wheel, increase the working diameter of rubber transmission belting (6) on flower wheel;
Driving wheel drives flower wheel reversion by rubber transmission belting (6), another inclined-plane, isosceles limit in equicrural triangle hole (12.2) symmetrical on driven movable cone dish (12) axle sleeve on the flower wheel of reversion drives driven shaft to rotate backward by drive pin (13), driven gear 28 on driven shaft drives wheel shaft to rotate backward by main reduction gear (14), diff (15), carries out the backward of lower-speed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496173.7A CN104309474A (en) | 2014-09-25 | 2014-09-25 | Transmission mechanism and transmission method for driven wheel of continuously variable transmission of electromobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496173.7A CN104309474A (en) | 2014-09-25 | 2014-09-25 | Transmission mechanism and transmission method for driven wheel of continuously variable transmission of electromobile |
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| CN104309474A true CN104309474A (en) | 2015-01-28 |
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| CN201410496173.7A Pending CN104309474A (en) | 2014-09-25 | 2014-09-25 | Transmission mechanism and transmission method for driven wheel of continuously variable transmission of electromobile |
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| CN104791478A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Dual-gear automatic transmission assembly |
| CN104791458A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Double-gear gearbox assembly capable of automatically shifting gears |
| CN104791481A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Double-gear automatic gearbox assembly for automobile |
| CN104791477A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | High-torque double-gear automatic transmission assembly |
| CN108824059A (en) * | 2018-06-19 | 2018-11-16 | 东莞市联洲知识产权运营管理有限公司 | A kind of roller shell structure on paper-making drying cylinder |
| CN109968970A (en) * | 2017-12-28 | 2019-07-05 | 昆明南府电动车辆有限公司 | A kind of electronic automobile-used variable torque dynamical system |
| CN110979149A (en) * | 2019-12-31 | 2020-04-10 | 长沙凯瑞重工机械有限公司 | Power system and tank truck applying same |
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| CN1601144A (en) * | 2003-09-24 | 2005-03-30 | 财团法人工业技术研究院 | Back action mechanism of belt type stepless gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791476A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Double-gear automatic transmission assembly for electric vehicle |
| CN104791478A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Dual-gear automatic transmission assembly |
| CN104791458A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Double-gear gearbox assembly capable of automatically shifting gears |
| CN104791481A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Double-gear automatic gearbox assembly for automobile |
| CN104791477A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | High-torque double-gear automatic transmission assembly |
| CN109968970A (en) * | 2017-12-28 | 2019-07-05 | 昆明南府电动车辆有限公司 | A kind of electronic automobile-used variable torque dynamical system |
| CN108824059A (en) * | 2018-06-19 | 2018-11-16 | 东莞市联洲知识产权运营管理有限公司 | A kind of roller shell structure on paper-making drying cylinder |
| CN110979149A (en) * | 2019-12-31 | 2020-04-10 | 长沙凯瑞重工机械有限公司 | Power system and tank truck applying same |
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