CN105299217A - Pendulum type self-adaption automatic variable speed drive assembly of electric motorcycle inner rotor motor bow cone - Google Patents
Pendulum type self-adaption automatic variable speed drive assembly of electric motorcycle inner rotor motor bow cone Download PDFInfo
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- CN105299217A CN105299217A CN201510572266.8A CN201510572266A CN105299217A CN 105299217 A CN105299217 A CN 105299217A CN 201510572266 A CN201510572266 A CN 201510572266A CN 105299217 A CN105299217 A CN 105299217A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02065—Gearboxes for particular applications for vehicle transmissions for motorcycles or squads
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
Abstract
The invention discloses a pendulum type self-adaption automatic variable speed drive assembly of an electric motorcycle inner rotor motor bow cone. The assembly comprises an inner rotor driving motor, a slow gear transmission mechanism and a mechanical intelligent self-adaption speed change assembly, wherein an annular recess is formed in an axial end surface of an outer ring of a overrunning clutch of the slow gear transmission mechanism; the inner ring is rotationally matched in the annular recess; an engagement space is formed between the outer circle of the inner ring and the inner wall of the radial outer side of the annular recess; and the slow gear transmission mechanism outputs power and locks a speed change elastic element through a pendulum type end surface cam engagement pair. The assembly prevents a structure of directly supporting the inner ring on a transmission shaft in a traditional structure, and prevents the amplifying problem of transmission errors of the overrunning clutch, so that the whole stability of the overrunning clutch is guaranteed, the stable support of long-period operation of a transmission is still guaranteed, the operation noise is reduced, the operation comfort is guaranteed, the transmission efficiency is improved, and the energy consumption is reduced; and the assembly prolongs the service life, improves the operation precision, and is suitable for heavy-load and high-speed service environments.
Description
Technical field
The present invention relates to a kind of vehicle transmission, particularly a kind of battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift drives assembly.
Background technique
In prior art, automobile, motorcycle, electric bicycle are all directly control closure or Current Control speed by speed-regulating handle or accelerator pedal substantially, or adopt hand-control mechanical automatic automatic transmission mode to realize speed change.The operation of driver is depended in the operation of handle or accelerator pedal completely, operation usually can be caused not mate with garage situation, cause motor fluctuation of service, occur stall phenomenon.
Motor Vehicle when by rider when not knowing running resistance, only rule of thumb operate the speed change gear of control, there is following problem unavoidably: 1. start, go up a slope and heavy load time, due to running resistance increase, force motor speed decline work in inefficient district.2., owing to not having mechanical transmission to adjust moment of torsion and speed, can only promote the use of in plains region, use under mountain area, hills and heavy load conditions can not be met, reduce using scope; 3. driving wheel place installing space is little, is difficult to hold automatic transmission and other new technology again after having installed motor or motor; 4. do not possess adaptive function, automatically can not detect, revise and get rid of the error in operation of driver; 5., when speed of a motor vehicle change is unexpected, power of motor and running resistance must be caused to be difficult to mate.6. continue apart from short, grade ability is poor, accommodation is little.
In order to overcome the above problems, present inventor has invented a series of cam self-adapting automatic gear shifting device, utilize running resistance driving cam, reach self shifter and the object according to running resistance Adaptive matching speed of a motor vehicle output torque, there is good effect; Although aforesaid cam self-adapting automatic gear shifting device has above-mentioned advantage, stability and high efficiency comparatively prior art improve a lot, but parts thereof structure is comparatively complicated, speed changer volume is larger, the distortion of long-term operation component obviously, does not have stable support, causes running noises larger, affect running comfort and affect transmission efficiency, thus energy consumption is higher.; Further, owing to have employed multiple cam structure, stability is still not ideal enough; Although comparatively prior art increases on service life, according to structural analysis, working life still has room for improvement; Meanwhile, the transmission of slow gear, owing to adopting cam auxiliary driving, although can pin speed change elastic element, is having pause and transition in rhythm or melody sense and is occurring noise in return process, increases the discomfort of addition.
Therefore, one is needed to improve above-mentioned cam self-adapting automatic gear shifting device, not only self adaption automatically can carry out shift speed change with travelling when change in resistance does not cut off driving force, solving the little problem that can not meet complex condition road occupation of moment of torsion one rotation speed change; Long-term operation still ensures stable support, reduces running noises, and has good stationarity and smoothness when slow gear transmission return release speed change elastic component, eliminate pause and transition in rhythm or melody sense and noise, be beneficial to and increase work efficiency further, there is better energy conservation and consumption reduction effects, and improve working life.
Summary of the invention
In view of this, the object of this invention is to provide a kind of battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift and drive assembly, not only self adaption automatically can carry out shift speed change with travelling when change in resistance does not cut off driving force, solving the little problem that can not meet complex condition road occupation of moment of torsion one rotation speed change; Long-term operation still ensures stable support, reduces running noises, and has good stationarity and smoothness when slow gear transmission return release speed change elastic component, eliminate pause and transition in rhythm or melody sense and noise, be beneficial to and increase work efficiency further, there is better energy conservation and consumption reduction effects, and improve working life.
Battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift of the present invention drives assembly, comprise drive motor, casing and coordinate with body pivot and the transmission shaft outputed power, the mechanical intelligent adaptive rate assembly also comprising slow gear driving mechanism and be arranged on transmission shaft;
Mechanical intelligent adaptive rate assembly comprises the axial external conical sleeve of cirque body, the axial inner conical drogue of cirque body and speed change elastic element;
The axial inner conical drogue inner circle of cirque body is the axial conical surface, and the axial external conical sleeve cylindrical of cirque body is the axial conical surface, and the axial inner conical drogue of cirque body is enclosed within the axial external conical sleeve excircle of cirque body in the mode that the conical surface is worked in coordination and forms the conical surface transmission transmitting fast shelves; Speed change elastic element applies to make the conical surface of the axial external conical sleeve of cirque body and the inner conical surface of cirque body axis inner conical drogue to fit the pretightening force of transmission; The axial external conical sleeve of described cirque body is coated at transmission shaft and is coordinated by the auxiliary driving of main transmission cam with it;
Described slow gear driving mechanism comprises free wheel device and intermediate reduction gear driving mechanism, described free wheel device comprises outer ring, inner ring and rolling element, the engagement space being used for being engaged by rolling element or being separated is formed between described outer ring and inner ring, described outer ring axial end forms ring-shaped depression, and described inner ring is set in rotation with in this ring-shaped depression and engagement space is formed between the inwall of inner ring cylindrical and ring-shaped depression radial outside; Power is inputed to free wheel device outer ring by intermediate reduction gear mechanism by the axial inner conical drogue of described cirque body, and slow shelves transmission of power is exported to the axial external conical sleeve of cirque body by described free wheel device inner ring;
Described free wheel device is exported by the slow shelves transmission of power of slow shelves cam-engaged adjutant; Described slow shelves cam-engaged pair at least comprises a pendulum-type end cam engagement pair, and pendulum-type end cam engagement pair is made up of the Bidirectional end face cam with Bidirectional end face cam-shaped line;
Described drive motor is inner rotor motor, and the stator of inner rotor motor is fixed on casing, and internal rotor coordinates with the axial inner conical drogue transmission of cirque body.
Further, pendulum-type end cam engagement pair comprises pendulum cam dish I and pendulum cam dish II, and pendulum-type end cam engagement pair is consisted of the Bidirectional end face cam-engaged with Bidirectional end face cam-shaped line be provided with pendulum cam dish I and pendulum cam dish II;
Further, pendulum cam dish I and pendulum cam dish II is equipped with bidirectional cam groove along the circumferential direction, described bidirectional cam groove is the structure shoaled gradually to two ends by centre, the cam rolling element engagement driving by being provided with in bidirectional cam groove between described pendulum cam dish I and pendulum cam dish II;
Further, the inner ring of described free wheel device and pendulum cam dish I coordinate in circumferencial direction transmission, are coordinated between the axial external conical sleeve of cirque body and pendulum cam dish II by cam pair in circumferencial direction transmission; The inner ring of described free wheel device makes in transmission power output sense of rotation and is surmounting between outer ring;
Further, described free wheel device also comprises Support roller assembly, described supporting roller assembly at least comprises and is parallel to free wheel device axis and support roll spaced with rolling element, described support roll cylindrical contacts with adjacent rolling element cylindrical, and described support roll is to arrange in the movable mode of the circumferencial direction of free wheel device;
Further, described inner ring axially extends the ring-shaped depression of outer ring and extension part inner circle has the inner ring supporting portion that can coordinate with transmission shaft, and described outer ring inner circle has the supporting portion, outer ring that can coordinate with transmission shaft;
Further, described supporting roller assembly also comprises supporting roller support, and described support roll is with between the inwall that can slide and be supported in by supporting roller support around the mode of own axis the ring-shaped depression radial outside of outer ring along free wheel device circumferencial direction and inner ring cylindrical;
Further, described supporting roller support comprises the pushing out ring I and pushing out ring II that arrange corresponding to support roll two ends, described pushing out ring I and pushing out ring II is respectively equipped with the circular groove along pushing out ring I and pushing out ring II circumferencial direction for penetrating for support roll two ends, and described support roll two ends are slidably matched with corresponding circular groove; The ring-shaped depression of described outer ring is axially provided with for the oil-through hole by lubricant oil in bottom, and described pushing out ring I is positioned at the axial bottom of ring-shaped depression and the circular groove bottom land of pushing out ring I is provided with axial hole;
Further, the external spiral cam that the secondary internal spiral cam that is provided with by the axial external conical sleeve inner circle of described cirque body of described main transmission cam and transmission shaft are provided with complements each other to form;
Further, the internal rotor of described drive motor is coordinated by the axial inner conical drogue transmission of transmission bracket and cirque body, and described transmission bracket forms the supporting portion coordinated with body pivot by bearing; Transmission bracket one end is connected to form transmission with the axial inner conical drogue of cirque body and coordinates, one end away from the axial inner conical drogue of cirque body is rotatably assorted and is supported in gearbox casing, the space of described speed change elastic element between supporting frame and transmission shaft and be coated at transmission shaft.
The invention has the beneficial effects as follows: battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift of the present invention drives assembly, there is all advantages of existing cam self-adapting automatic gear shifting device, if detect driving torque one rotating speed and running resistance one vehicle speed signal according to running resistance, output power of motor and traveling state of vehicle is made to be in optimum Match state all the time, the balance realizing vehicle traction moment and comprehensive running resistance controls, and when not cutting off driving force, self adaption carries out shift speed change automatically with traveling change in resistance; Use under can meeting mountain area, hills and heavy load conditions, make motor load change mild, motor vehicle operate steadily, and improve Security;
Simultaneously, the free wheel device of the slow shelves driving mechanism of this speed changer adopts inner ring to be positioned at the structure of the ring-shaped depression that inner ring is formed, inner ring embeds outer ring from structure, make between inner ring and outer ring, to form the impact mutually supported, inner ring on conventional construction is avoided directly to be supported in the structure of transmission shaft, it also avoid the problem that driving error is exaggerated on free wheel device, not only ensure the global stability of free wheel device, speed changer long-term operation is also made still to ensure stable support, reduce running noises, ensure running comfort and improve transmission efficiency, improve working life and running precision, be applicable to heavy duty and Environmental Conditions at a high speed, slow gear transmission and locking elastic element adopt the pendulum-type end cam engagement pair be made up of Bidirectional end face cam, have in shift process and swing buffering, during release speed change elastic component, there is good stationarity and smoothness, eliminate pause and transition in rhythm or melody sense and noise, be beneficial to and increase work efficiency further, reduce the transmission energy consumption in shift process, there is better energy conservation and consumption reduction effects, and improve working life, greatly improve the power character of vehicle, Economy, drive safety and travelling comfort.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is axial section structural representation of the present invention;
Fig. 2 is Bidirectional end face cam structure schematic diagram;
Fig. 3 is overrun clutch structure schematic diagram;
Fig. 4 is free wheel device axial cross-sectional views.
Embodiment
Fig. 1 is axial section structural representation of the present invention, Fig. 2 is Bidirectional end face cam structure schematic diagram, Fig. 3 is overrun clutch structure schematic diagram, Fig. 4 is free wheel device axial cross-sectional views, as shown in the figure: battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift of the present invention drives assembly, comprise drive motor, casing 3 and be rotatably assorted with casing 3 and the transmission shaft 1 outputed power, described casing 3 has hangs for side the assembly department being installed on hub side, or for directly forming the assembly department of wheel hub, do not repeat them here; The mechanical intelligent adaptive rate assembly also comprising slow gear driving mechanism and be arranged on transmission shaft 1;
Mechanical intelligent adaptive rate assembly comprises the axial external conical sleeve 6 of cirque body, the axial inner conical drogue 9 of cirque body and speed change elastic element 4;
Axial inner conical drogue 9 inner circle of cirque body is the axial conical surface, and axial external conical sleeve 6 cylindrical of cirque body is the axial conical surface, and the axial inner conical drogue 9 of cirque body is enclosed within axial external conical sleeve 6 excircle of cirque body in the mode that the conical surface is worked in coordination and forms the conical surface transmission transmitting fast shelves; Speed change elastic element 4 applies to make the conical surface of the axial external conical sleeve 6 of cirque body and the inner conical surface of cirque body axis inner conical drogue 9 to fit the pretightening force of transmission; The axial external conical sleeve 6 of described cirque body is coated at transmission shaft 1 and is coordinated by the auxiliary driving of main transmission cam with it;
Described slow gear driving mechanism comprises free wheel device and intermediate reduction gear driving mechanism, described free wheel device comprises outer ring 15, inner ring 14 and rolling element 20, the engagement space being used for engaging by rolling element 20 or being separated is formed between described outer ring 15 and inner ring 14, described outer ring 15 axial end forms ring-shaped depression, and described inner ring 14 is set in rotation with in this ring-shaped depression and engagement space is formed between the inwall of inner ring 14 cylindrical and ring-shaped depression radial outside; Power is inputed to free wheel device outer ring 15 by intermediate reduction gear mechanism by the axial inner conical drogue 9 of described cirque body, and slow shelves transmission of power is exported to the axial external conical sleeve 6 of cirque body by described free wheel device inner ring 14; The rolling element 20 of free wheel device and the structure in engagement space belong to prior art, do not repeat them here; Because outer ring 15 axial end forms ring-shaped depression, its warp-wise sectional view is then formed and is similar to arching, forms radial support after installing inner ring 14 to inner ring 14; Inner ring 14 is adopted to be positioned at the structure of the ring-shaped depression that outer ring 15 is formed, inner ring 14 embeds outer ring 15 from structure, make between inner ring 14 and outer ring 15, to form the impact mutually supported, inner ring 14 on conventional construction is avoided directly to be supported in the structure of transmission shaft 1, it also avoid the problem that driving error is exaggerated on free wheel device, not only ensure the global stability of free wheel device, also improve working life and running precision, be applicable to heavy duty and Environmental Conditions at a high speed; Intermediate reduction gear driving mechanism can be primary gear speed reducing transmission or other reducing transmission structures, and this intermediate reduction gear driving mechanism can ensure that the axial inner conical drogue 9 of cirque body is passed to the rotating speed of rotating speed lower than the axial inner conical drogue 9 of cirque body of the outer ring 15 of free wheel device; For realizing goal of the invention of the present invention, the inner ring 14 of described free wheel device exports in sense of rotation at power output member and surmounts between outer ring 15; As shown in the figure, described intermediate reduction gear driving mechanism comprises slow shelves jack shaft, be arranged at first slow grade of gear 11 and second slow grade of gear 12 that slow shelves jack shaft coordinates with its transmission, and slow shelves jack shaft is rotatably assorted in mission case 3 by annular bearing with rolling contact; Coordinate drive mechanisms such as () splines to be provided with slow shelves driving gear 13 with axial inner conical drogue 9 transmission of described cirque body, described slow shelves driving gear 13 coordinates with first slow grade of gear 11 engagement driving, outer ring 15 engagement driving of second slow grade of gear 12 and free wheel device; Simple and compact for structure, realize the transmission of power of slow shelves; Described free wheel device is exported by the slow shelves transmission of power of slow shelves cam-engaged adjutant; Described slow shelves cam-engaged pair at least comprises a pendulum-type end cam engagement pair, and pendulum-type end cam engagement pair is made up of the Bidirectional end face cam with Bidirectional end face cam-shaped line; Bidirectional end face cam refers to the end cam that can realize two-way engagement; Be beneficial to and transfer elimination gearshift pause and transition in rhythm or melody in fast shelves process in slow shelves transmission, slow shelves and fast shelves can be made to input to power output member from coaxial both direction, there is good adaptability, and save drive efficiency.
Described drive motor 7 is inner rotor motor, and the stator of inner rotor motor is fixed on casing 3, and internal rotor coordinates with axial inner conical drogue 9 transmission of cirque body.
In the present embodiment, the internal rotor of described drive motor 7 is coordinated by axial inner conical drogue 9 transmission of transmission bracket 8 and cirque body, and described transmission bracket 8 forms the supporting portion be rotatably assorted by bearing and casing 3; This structure is beneficial to and forms stable support transmission, and meanwhile, compact structure, is convenient to install and use; As shown in the figure, transmission bracket 8 one end forms the supporting portion be rotatably assorted by bearing and casing 3, and the other end coordinates with axial inner conical drogue 9 transmission of cirque body, and forms support.
In the present embodiment, the axial external conical sleeves 6 of the speed change elastic element 4 pairs of cirque body apply to make the inner conical surface of its male cone (strobilus masculinus) and the axial inner conical drogue 9 of cirque body to fit the pretightening force of transmission; During described transmission shaft 1 Power output, main transmission cam is secondary applies the axial thrust load contrary with speed change elastic element 4 pretightening force to the axial external conical sleeve 6 of cirque body;
In the present embodiment, pendulum-type end cam engagement pair comprises pendulum cam dish I and pendulum cam dish II, and pendulum-type end cam engagement pair is consisted of the Bidirectional end face cam-engaged with Bidirectional end face cam-shaped line be provided with pendulum cam dish I and pendulum cam dish II; Can be that pendulum cam dish I and pendulum cam dish II are equipped with end cam, also can be that one of them arranges end cam, all can realize goal of the invention.
In the present embodiment, pendulum cam dish I and pendulum cam dish II16 is equipped with bidirectional cam groove along the circumferential direction, described bidirectional cam groove is the structure shoaled gradually to two ends by centre, cam rolling element 10 engagement driving by being provided with in bidirectional cam groove between described pendulum cam dish I and pendulum cam dish II16; Form two-way engagement by cam rolling element 10, there is good guidance quality, meanwhile, reduce cam-engaged friction, reduce energy consumption; Cam rolling element is generally ball.
In the present embodiment, the inner ring 14 of described free wheel device and pendulum cam dish I coordinate in circumferencial direction transmission, simple and compact for structure, make, operation and maintenance cost is lower, and stable transmission; Coordinate in circumferencial direction transmission by cam is secondary between the axial external conical sleeve 4 of cirque body and pendulum cam dish II16, increase the flexibility of transmission; Certainly, when spatial condition possesses, also can be multiple cam secondary; The inner ring of described free wheel device makes in transmission power output sense of rotation and is surmounting between outer ring.
Free wheel device inner ring 14 and the axial external conical sleeve 6 of cirque body are coordinated by the transmission of pendulum-type end cam engagement pair and are passed to the axial external conical sleeve 6 of cirque body by keeping off the clutch end of power by intermediate reduction gear driving mechanism slowly, certainly, centre also can arrange intermediate cam cover and form multiple cam auxiliary driving; When slow shelves form transmission, utilize the axial thrust load compression elastic element of pendulum-type end cam engagement pair, cam pair, main transmission cam pair to form locking, and form slow shelves transmission; In the present embodiment, the internal spiral cam 6a that described main transmission cam pair is provided with by axial external conical sleeve 6 inner circle of described cirque body and the external spiral cam 1a that transmission shaft 1 is provided with complements each other to form, and forms spiral prominence wheel set; The shaft part transmission that described transmission shaft 1 extends casing 3 coordinates the driving component 2 be provided with for coordinating with hub drive, and as shown in the figure, this driving component 2 is the drive plate structure for being connected with wheel hub; As shown in the figure, axial inner conical drogue 9 outer rim of cirque body coordinates with transmission bracket 8 transmission; The axial external conical sleeve 6 of described cirque body is coated at transmission shaft 1 and inner circle is provided with internal spiral cam 6a, and transmission shaft 1 is provided with the external spiral cam 1a matched with internal spiral cam and jointly forms spiral prominence wheel set; Spiral prominence wheel set is the worm structure cooperatively interacted, and the two is spiral chute, and embedded ball 17 forms meshing transmission structure; When the axial external conical sleeve 6 of cirque body rotates, by spiral prominence wheel set, axis and circumferencial direction two component are produced to transmission shaft 1, wherein circumferencial direction component drives transmission shaft 1 to rotate and outputting power, the mounting structure that axial thrust load is transmitted axle 1 is offset, and its reaction force acts is in the axial external conical sleeve 6 of cirque body and put on speed change elastic element 4; When axial thrust load reaches setting numerical value, compression is formed to elastic element, the axial external conical sleeve 6 of cirque body is separated with the axial inner conical drogue 9 of cirque body, forms the condition of speed change, belong to the structure of prior art, do not repeat them here; Certainly, spiral prominence wheel set is the preferred structure of the present embodiment, and other cam pair existing also can be adopted to drive, such as end cam etc., but spiral prominence wheel set can make this structure more compact, manufactures, installs and keep in repair more convenient, and helix structure stable drive, uniform force, there is unrivaled stability and smoothness, increase work efficiency further, there is better energy conservation and consumption reduction effects, larger control vehicular discharge, is more suitable for the roadsters such as light two-wheel vehicle and uses.
As shown in the figure, slow shelves driving gear is rotatably assorted and is coated at supporting portion that free wheel device inner ring 14 formed and the axle sleeve position that the axial external conical sleeve 6 of cirque body is formed, the cam auxiliary driving position namely between free wheel device inner ring 14 and the axial external conical sleeve 6 of cirque body; And grade driving gear of waiting a moment coordinates with axial inner conical drogue 9 transmission of cirque body; General structure is simply compact, is beneficial to assembling, is suitable for the structure of inner rotor motor transmission.
In the present embodiment, free wheel device also comprises Support roller assembly, described supporting roller assembly at least comprises and is parallel to free wheel device axis and support roll 19 spaced with rolling element 20, described support roll cylindrical contacts with adjacent rolling element 20 cylindrical, and described support roll is to arrange in the movable mode of the circumferencial direction of free wheel device; Independent of the supporting roller structure of outer ring 15 and inner ring 14, and adopt servo-actuated structure, for keeping the spacing between rolling element 20, cancel elastic element and the position limit socket of prior art, avoid directly processing position limit socket on outer ring 15 or inner ring 14, simplify course of working, increase work efficiency, cut down finished cost, ensure processing and assembly precision, increase the service life and ensure transmission effect, and associated components is easily changed after damaging, and reduces maintenance and use cost; Owing to adopting support roll 4 structure, do not adopt independent elastic element, theory unlimited can extend the axial length of free wheel device and rolling element 20, increase length of action, that is, can need according to load-bearing the axial length increasing free wheel device, thus increase the bearing capacity of free wheel device, and reduce, compared with the free wheel device radial dimension under high bearing capacity, to extend the working life of free wheel device; Simultaneously, because support roll 19 directly contacts with rolling element 20, when particularly adopting roller construction, the unbalanced possibility that the applying of the point cantact to the roller pretightening force eliminating prior art produces, ensure the spacing balance to rolling element 20 under the prerequisite of longer axial dimension, what make it not depart from inner ring 14 axis is parallel, thus ensures the stable operation of free wheel device, avoids mechanical failure; Adopt back-up roll structure, rolling element 20 generally adopts roller construction;
Described supporting roller assembly also comprises supporting roller support, and described support roll is with between the inwall that can slide and be supported in by supporting roller support around the mode of own axis the ring-shaped depression radial outside of outer ring 15 along free wheel device circumferencial direction and inner ring 14 cylindrical; This structure ensures rotation or the free sliding degree of support roll, thus ensure the trackability of support roll further, make to form rolling friction when free wheel device runs between rolling element 20 and support roll, reduce power consumption, and make the stability of free wheel device better;
In the present embodiment, described supporting roller support comprises the pushing out ring I18 and pushing out ring II17 that arrange corresponding to support roll two ends, the circular groove along pushing out ring I18 and pushing out ring II17 circumferencial direction that described pushing out ring I18 and pushing out ring II17 is respectively equipped with for penetrating for support roll two ends (indicates the circular groove 18a on pushing out ring I18 in figure, circular groove 17a on pushing out ring II17 and the ring channel structures on pushing out ring I18 similar and all inside), described support roll two ends are slidably matched with corresponding circular groove, namely one end of support roll penetrates the circular groove on pushing out ring I18, the other end penetrates the circular groove on pushing out ring II17, adopt the mounting structure of circular groove, structure is simple, and assembling easily, makes the designs simplification of free wheel device further, reduces costs.
In the present embodiment, the ring-shaped depression of described outer ring 15 is axially provided with for the oil-through hole 15a by lubricant oil in bottom, and described pushing out ring I18 is positioned at the axial bottom of ring-shaped depression and the circular groove 18a bottom land of pushing out ring I18 is provided with axial hole 18b; Can be introduced and removal of lubricant by oil-through hole, together form grease channel with the opening of ring-shaped depression, realize lubrication and cleaning preferably, thus ensure the running of free wheel device.
In the present embodiment, described engagement space is formed by between the wedge slot of inner ring 14 Excircle machining and the inwall of the ring-shaped depression radial outside of outer ring 15; Simplified processing process, improves work efficiency, and cuts down finished cost.
In the present embodiment, the distribution of the axial hole 18b of the circular groove 18a bottom land of described pushing out ring I18 is corresponding with support roll and rolling element 20; Comparatively directly can provide lubrication preferably.
In the present embodiment, the diameter of described support roll is less than 1/3rd of the diameter of rolling element 20, and rolling element 20 is roller.
In the present embodiment, described inner ring 14 axially extends the ring-shaped depression of outer ring 15 and extension part inner circle has the inner ring supporting portion that can coordinate with transmission shaft 1, and described outer ring inner circle has the supporting portion, outer ring that can coordinate with transmission shaft; Described pendulum cam dish I is shaped in inner ring supporting portion; Namely supporting portion, outer ring and inner ring supporting portion are all set in rotation with transmission shaft; The whole free wheel device of this structure, by inner ring and outer ring common support, increases global stability, ensures working life and transmission accuracy.
In the present embodiment, inner ring 14 supporting portion of described inner ring 14 is provided with inner ring 14 needle bearing (representing in figure) for being rotatably assorted with transmission shaft 1, and the supporting portion, outer ring 15 of described outer ring 15 is provided with outer ring 15 needle bearing 9 for being rotatably assorted with transmission shaft 1; Adopt the structure of needle bearing, be applicable to be installed to transmission shaft 1, whole drive mechanism adaptability is stronger.
In the present embodiment, transmission bracket 8 one end is connected to form transmission with the axial inner conical drogue 9 of cirque body and coordinates, one end away from the axial inner conical drogue 9 of cirque body is rotatably assorted and is supported in gearbox casing 3, the space of described speed change elastic element 4 between supporting frame and transmission shaft 1 and be coated at transmission shaft 1; As shown in the figure, transmission shaft 1 is provided with free wheel device outer ring 15, the axial external conical sleeve 6 of cirque body and speed change elastic element 4 (the present embodiment adopts speed change disc spring) by left-to-right, the axial inner conical drogue 9 of transmission bracket 8 pairs of cirque body forms stable support, ensure transmission accuracy, simultaneously, speed change elastic element 4 is in the space of transmission bracket 8 between transmission shaft 1 and be coated at transmission shaft 1, compact structure.
Above embodiment is optimum structure of the present invention, is not limiting the scope of the present invention; The scheme that Placement adjusts to some extent, and do not affect the realization of this goal of the invention.
The fast gear power transmission line of the present embodiment:
External spiral cam 1a → transmission shaft 1 outputting power of the internal spiral cam 6a → transmission shaft 1 of the axial external conical sleeve 6 of the axial external conical sleeve 6 → cirque body of the axial inner conical drogue 9 → cirque body of power → cirque body;
Now free wheel device surmounts, and resistance transfer route: internal spiral cam 6a → cirque body axial external conical sleeve 6 → compression speed change butterfly spring of the axial external conical sleeve 6 of external spiral cam 1a → cirque body of transmission shaft 1 → transmission shaft 1; Transmission shaft 1 is applied axial force by the external spiral cam of transmission shaft 1 to the internal spiral cam 6a of the axial external conical sleeve 6 of cirque body and the axial external conical sleeve 6 of cirque body and compresses speed change butterfly spring, when running resistance is increased to a timing, this axial force speed change butterfly spring, the axial inner conical drogue 9 of cirque body is separated with the axial external conical sleeve 6 of cirque body, power is transmitted by following route, namely keeps off power transmission line slowly:
The axial inner conical drogue of power → cirque body 9 → keep off slowly driving gear → the first keeps off gear → keep off external spiral cam → transmission shaft 1 outputting power that jack shaft → the second keeps off the internal spiral cam → transmission shaft 1 of the axial external conical sleeve 6 of the axial external conical sleeve 6 → cirque body of outer ring 15 → free wheel device inner ring, 14 → pendulum-type end cam engagement pair → cam pair → cirque body of gear → free wheel device slowly slowly slowly.
Slow gear power transmission line is simultaneously also through following route: pendulum-type end cam engagement pair → cam pair → cirque body axial external conical sleeve 6 → compression speed change butterfly spring, prevent from keeping off slowly in transmission process and occur compression speed change butterfly spring reciprocating compression, thus when preventing slow shelves transmission, the axial inner conical drogue 9 of cirque body and the axial external conical sleeve 6 of cirque body are fitted.
Above-mentioned transfer route is had to find out, the present invention operationally, the inner conical surface of the axial inner conical drogue 9 of cirque body and the male cone (strobilus masculinus) of the axial external conical sleeve 6 of cirque body fit tightly under the effect of speed change butterfly spring, form the automatic transmission that keeps certain pressure, and the required pressure of clutch engagement can be adjusted by the axial thickness increasing speed change axle sleeve, reach transmission object, now, power drives the axial inner conical drogue 9 of cirque body, cirque body axial external conical sleeve 6, transmission shaft 1, and transmission shaft 1 outputting power is rotated counterclockwise; Now keep off free wheel device to be slowly in and to surmount state.
During motor vehicle starting, resistance is greater than driving force, and resistance forces transmission shaft 1 to rotate clockwise several angle, and under the effect of the external spiral cam of transmission shaft 1, the axial external conical sleeve 6 of cirque body compresses speed change butterfly spring; The axial external conical sleeve 6 of cirque body is separated with the axial inner conical drogue 9 of cirque body, synchronously, slow gear free wheel device engagement, power drives the axial inner conical drogue 9, first of cirque body to keep off gear slowly, keep off jack shaft, second slowly keeps off gear, the outer ring 15 of free wheel device, inner ring 14, pendulum-type end cam engagement pair, the axial external conical sleeve 6 of cirque body and transmission shaft 1 slowly, and transmission shaft 1 outputting power is rotated to keep off speed slowly; Therefore, automatically achieve bottom gear and start, shorten the starting time, decrease starting force.Meanwhile, speed change butterfly spring absorbs movement resistor moment energy, stores standby potential energy for recovering gear transferring power soon.
Start successfully, running resistance reduces, when component is reduced to less than the pressure that speed change butterfly spring produces, produce under speed change butterfly spring pressure discharges promotion rapidly because the compression of passive movement resistance, the inner conical surface of the male cone (strobilus masculinus) and the axial inner conical drogue 9 of cirque body that complete the axial external conical sleeve 6 of cirque body recovers to fit tightly state, and slow gear free wheel device is in and surmounts state.
In running process, along with the change self shifter principle of resistance to motion is the same, realizing variable block when not needing to cut off driving force, make whole locomotive operation steady, safe and low consumption, and transfer route being simplified, improving transmission efficiency.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift drives assembly, it is characterized in that: comprise drive motor, casing and coordinate with body pivot and the transmission shaft outputed power, the mechanical intelligent adaptive rate assembly also comprising slow gear driving mechanism and be arranged on transmission shaft;
Mechanical intelligent adaptive rate assembly comprises the axial external conical sleeve of cirque body, the axial inner conical drogue of cirque body and speed change elastic element;
The axial inner conical drogue inner circle of cirque body is the axial conical surface, and the axial external conical sleeve cylindrical of cirque body is the axial conical surface, and the axial inner conical drogue of cirque body is enclosed within the axial external conical sleeve excircle of cirque body in the mode that the conical surface is worked in coordination and forms the conical surface transmission transmitting fast shelves; Speed change elastic element applies to make the conical surface of the axial external conical sleeve of cirque body and the inner conical surface of cirque body axis inner conical drogue to fit the pretightening force of transmission; The axial external conical sleeve of described cirque body is coated at transmission shaft and is coordinated by the auxiliary driving of main transmission cam with it;
Described slow gear driving mechanism comprises free wheel device and intermediate reduction gear driving mechanism, described free wheel device comprises outer ring, inner ring and rolling element, the engagement space being used for being engaged by rolling element or being separated is formed between described outer ring and inner ring, described outer ring axial end forms ring-shaped depression, and described inner ring is set in rotation with in this ring-shaped depression and engagement space is formed between the inwall of inner ring cylindrical and ring-shaped depression radial outside; Power is inputed to free wheel device outer ring by intermediate reduction gear mechanism by the axial inner conical drogue of described cirque body, and slow shelves transmission of power is exported to the axial external conical sleeve of cirque body by described free wheel device inner ring;
Described free wheel device is exported by the slow shelves transmission of power of slow shelves cam-engaged adjutant; Described slow shelves cam-engaged pair at least comprises a pendulum-type end cam engagement pair, and pendulum-type end cam engagement pair is made up of the Bidirectional end face cam with Bidirectional end face cam-shaped line;
Described drive motor is inner rotor motor, and the stator of inner rotor motor is fixed on casing, and internal rotor coordinates with the axial inner conical drogue transmission of cirque body.
2. battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift according to claim 1 drives assembly, it is characterized in that: pendulum-type end cam engagement pair comprises pendulum cam dish I and pendulum cam dish II, pendulum-type end cam engagement pair is consisted of the Bidirectional end face cam-engaged with Bidirectional end face cam-shaped line be provided with pendulum cam dish I and pendulum cam dish II.
3. battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift according to claim 2 drives assembly, it is characterized in that: pendulum cam dish I and pendulum cam dish II is equipped with bidirectional cam groove along the circumferential direction, described bidirectional cam groove is the structure shoaled gradually to two ends by centre, the cam rolling element engagement driving by being provided with in bidirectional cam groove between described pendulum cam dish I and pendulum cam dish II.
4. battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift according to claim 3 drives assembly, it is characterized in that: the inner ring of described free wheel device and pendulum cam dish I coordinate in circumferencial direction transmission, coordinated in circumferencial direction transmission by cam pair between the axial external conical sleeve of cirque body and pendulum cam dish II; The inner ring of described free wheel device makes in transmission power output sense of rotation and is surmounting between outer ring.
5. battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift according to claim 1 drives assembly, it is characterized in that: described free wheel device also comprises Support roller assembly, described supporting roller assembly at least comprises and is parallel to free wheel device axis and support roll spaced with rolling element, described support roll cylindrical contacts with adjacent rolling element cylindrical, and described support roll is to arrange in the movable mode of the circumferencial direction of free wheel device.
6. battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift according to claim 5 drives assembly, it is characterized in that: described inner ring axially extends the ring-shaped depression of outer ring and extension part inner circle has the inner ring supporting portion that can coordinate with transmission shaft, and described outer ring inner circle has the supporting portion, outer ring that can coordinate with transmission shaft.
7. battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift according to claim 6 drives assembly, it is characterized in that: described supporting roller assembly also comprises supporting roller support, described support roll is with between the inwall that can slide and be supported in by supporting roller support around the mode of own axis the ring-shaped depression radial outside of outer ring along free wheel device circumferencial direction and inner ring cylindrical.
8. battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift according to claim 7 drives assembly, it is characterized in that: described supporting roller support comprises the pushing out ring I and pushing out ring II that arrange corresponding to support roll two ends, described pushing out ring I and pushing out ring II is respectively equipped with the circular groove along pushing out ring I and pushing out ring II circumferencial direction for penetrating for support roll two ends, and described support roll two ends are slidably matched with corresponding circular groove; The ring-shaped depression of described outer ring is axially provided with for the oil-through hole by lubricant oil in bottom, and described pushing out ring I is positioned at the axial bottom of ring-shaped depression and the circular groove bottom land of pushing out ring I is provided with axial hole.
9. battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift according to claim 1 drives assembly, it is characterized in that: the internal spiral cam that described main transmission cam pair is provided with by the axial external conical sleeve inner circle of described cirque body and the external spiral cam that transmission shaft is provided with complement each other to form.
10. battery-operated motor cycle inner rotor motor bow conical pendulm formula self-adapting automatic gear shift according to claim 1 drives assembly, it is characterized in that: the internal rotor of described drive motor is coordinated by the axial inner conical drogue transmission of transmission bracket and cirque body, and described transmission bracket forms the supporting portion coordinated with body pivot by bearing; Transmission bracket one end is connected to form transmission with the axial inner conical drogue of cirque body and coordinates, one end away from the axial inner conical drogue of cirque body is rotatably assorted and is supported in gearbox casing, the space of described speed change elastic element between supporting frame and transmission shaft and be coated at transmission shaft.
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| CN201510572266.8A CN105299217A (en) | 2015-09-09 | 2015-09-09 | Pendulum type self-adaption automatic variable speed drive assembly of electric motorcycle inner rotor motor bow cone |
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| CN201510572266.8A CN105299217A (en) | 2015-09-09 | 2015-09-09 | Pendulum type self-adaption automatic variable speed drive assembly of electric motorcycle inner rotor motor bow cone |
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| CN201510572266.8A Pending CN105299217A (en) | 2015-09-09 | 2015-09-09 | Pendulum type self-adaption automatic variable speed drive assembly of electric motorcycle inner rotor motor bow cone |
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| CN110985564A (en) * | 2019-12-04 | 2020-04-10 | 西南大学 | Electric drive system with multi-plate self-sequencing friction clutch speed reducing mechanism |
| CN111204407A (en) * | 2019-12-31 | 2020-05-29 | 西南大学 | Fixed shaft type large-load self-adaptive electric drive assembly adopting central drive form |
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