CN105365996B - Battery-operated motor cycle side hanging bends two grades of self-adapting automatic gear shift drive assembly of bevel-type - Google Patents

Battery-operated motor cycle side hanging bends two grades of self-adapting automatic gear shift drive assembly of bevel-type Download PDF

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Publication number
CN105365996B
CN105365996B CN201510564539.4A CN201510564539A CN105365996B CN 105365996 B CN105365996 B CN 105365996B CN 201510564539 A CN201510564539 A CN 201510564539A CN 105365996 B CN105365996 B CN 105365996B
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China
Prior art keywords
ring
axial direction
transmission
torus
cam
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CN201510564539.4A
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Chinese (zh)
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CN105365996A (en
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梁稚子
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Southwest University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/28Generation 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
    • F16H61/32Electric motors actuators or related electrical control means therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00Freewheels or freewheel clutches
    • F16D41/06Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
    • F16D41/064Freewheels 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
    • F16D41/066Freewheels 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/0018Shaft assemblies for gearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H2057/02039Gearboxes for particular applications
    • F16H2057/02043Gearboxes for particular applications for vehicle transmissions
    • F16H2057/02065Gearboxes for particular applications for vehicle transmissions for motorcycles or squads

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

The invention discloses a kind of battery-operated motor cycle side hangings to bend two grades of self-adapting automatic gear shift drive assembly of bevel-type,Including cabinet and transmission shaft,Cabinet has the mounting portion that hub side is installed on for side hanging,The mechanical intelligent adaptive rate assembly for further including slow shelves transmission mechanism and being arranged on transmission shaft,The freewheel clutch outer ring axial end face of slow shelves transmission mechanism forms ring-shaped depression,Inner ring is set in rotation in the ring-shaped depression and engagement space is formed between inner ring outer circle and the inner wall of ring-shaped depression radial outside,The present invention avoids inner ring on traditional structure from being supported directly upon the structure of transmission shaft,Driving error is also avoided the problem of being amplified on freewheel clutch,Not only guarantee the overall stability of freewheel clutch,Speed changer long-term operation is also made still to guarantee to stablize support,Reduce running noises,Guarantee running comfort and improves transmission efficiency,To reduce energy consumption;It also improves service life and running precision, the use environment suitable for heavy duty and high speed.

Description

Battery-operated motor cycle side hanging bends two grades of self-adapting automatic gear shift drive assembly of bevel-type
Technical field
The present invention relates to a kind of vehicle transmission, in particular to a kind of two grades of bevel-type of battery-operated motor cycle side hanging bow adaptive Fluid drive drive assembly.
Background technique
In the prior art, automobile, motorcycle, electric bicycle are essentially all direct by speed adjusting lever or accelerator pedal Air throttle or current control speed are controlled, or speed change is realized using hand-control mechanical automatic automatic transmission mode.Handle or acceleration are stepped on The operation of plate depends entirely on the operation of driver, usually will cause operation and garage's situation mismatches, cause motor or hair , there is blocking phenomenon in motivation fluctuation of service.
Motor vehicle, in the case where being unaware of running resistance, is filled by rider according only to the speed change of experiential operating control It sets, inevitably has the following problems:1. in starting, upward slope and heavy load, due to running resistance increase, force motor or engine Revolving speed decline works in inefficient area.2. can only be promoted in plains region due to there is no mechanical transmission adjustment torque and speed It uses, is not able to satisfy under mountain area, hills and heavy load conditions and uses, reduce use scope;3. installation space is small at driving wheel, It is difficult to accommodate automatic transmission and other new technologies again after being mounted with engine or motor;4. not having adaptive function, no The operating mistake of driver can be detected, corrects and excluded automatically;5. necessarily causing motor or engine when speed variation is unexpected Power is difficult to match with running resistance.6. continuing apart from short, climbing capacity is poor, adaptation range is small.
In order to solve problem above, present inventor has invented a series of cam self-adapting automatic gear shifting device, benefit Cam is driven with running resistance, achievees the purpose that fluid drive and according to running resistance Adaptive matching speed output torque, tool There is preferable application effect;Although cam self-adapting automatic gear shifting device above-mentioned has the above advantages, stability and high efficiency compared with The prior art improves a lot, but parts thereof structure is complex, and speed changer volume is larger, long-term operation components Deformation is obvious, and unstable support causes running noises larger, influences running comfort and influences transmission efficiency, thus energy consumption It is higher.
Therefore, it is necessary to one kind to improve above-mentioned cam self-adapting automatic gear shifting device, is not only able to adaptively accompany Sail carried out automatically in the case that driving force is not cut off in resistance variation it is shifted, solve torque-rotation speed change it is small is not able to satisfy it is multiple Under the conditions of miscellaneous the problem of road occupation;Long-term operation still guarantees to stablize support, reduces running noises, guarantee running comfort And transmission efficiency is improved, to reduce energy consumption.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of battery-operated motor cycle side hangings to bend two grades of self-adapting automatic gear shifts of bevel-type Drive assembly is not only able to carry out shifted, solution in the case where adaptively not cutting off driving force with running resistance variation automatically Certainly torque-rotation speed change small the problem of not being able to satisfy complex condition road occupation;Long-term operation still guarantees to stablize branch Support reduces running noises, guarantees running comfort and improves transmission efficiency, to reduce energy consumption.
Battery-operated motor cycle side hanging of the invention bends two grades of self-adapting automatic gear shift drive assembly of bevel-type, including cabinet and and case The transmission shaft that body is rotatably assorted and outputs power, the cabinet have the mounting portion for being installed on hub side for side hanging, also wrap The mechanical intelligent adaptive rate assembly for including slow shelves transmission mechanism and being arranged on transmission shaft;
Mechanical intelligent adaptive rate assembly includes torus axial direction external conical sleeve, torus axial direction inner conical drogue and speed change bullet Property element;
Torus axial direction inner conical drogue inner circle is the axial conical surface, and torus axial direction external conical sleeve outer circle is the axial conical surface, torus Axial inner conical drogue covers in such a way that the conical surface is worked in coordination to be passed in torus axial direction external conical sleeve outer circumferential at the conical surface for transmitting fast shelves Dynamic pair;The application of speed change elastic element makes the conical surface of torus axial direction external conical sleeve and the inner conical surface of torus axial direction inner conical drogue be bonded biography Dynamic pretightning force;The torus axial direction external conical sleeve is coated at transmission shaft and is cooperated with it by the auxiliary driving of main transmission cam;
The slow shelves transmission mechanism includes freewheel clutch and intermediate reduction gear transmission mechanism, and the freewheel clutch includes outer Circle, inner ring and rolling element are formed between the outer ring and inner ring and are used for through rolling element engagement or isolated engagement space, described Outer ring axial end face forms ring-shaped depression, in the inner ring is set in rotation in the ring-shaped depression and engagement space is formed in It encloses between outer circle and the inner wall of ring-shaped depression radial outside;The torus axial direction inner conical drogue passes through intermediate reduction gear mechanism for power It is input to freewheel clutch outer ring, the freewheel clutch inner ring exports the transmitting of slow shelves power to torus axial direction external conical sleeve.
Further, further include motor and power input mechanism, the power input mechanism include power input driving gear, First power inputs driven gear, power input jackshaft and the second power and inputs driven gear, and the power inputs driving tooth Wheel is driven by rotor axis of electric, and the first power input driven gear is engaged with power input driving gear, the first power Input driven gear and the input driven gear transmission of the second power are equipped with and input jackshaft in power, and power inputs jackshaft It is rotatably assorted and is supported in cabinet;Power is input to torus axial direction inner conical drogue by the second power input driven gear;
Further, speed change elastic element makes its male cone (strobilus masculinus) and torus axial direction inner conical drogue to the application of torus axial direction external conical sleeve Inner conical surface fitting transmission pretightning force;When the transmission shaft power output, main transmission cam pair is to torus axial direction external conical sleeve Apply the axial thrust load opposite with speed change elastic element pretightning force;
Further, it is rotatably assorted and is coated at transmission shaft at least provided with an intermediate cam set, the intermediate cam covers one end Cooperated with torus axial direction external conical sleeve by I transmission of cam pair, the other end is driven by cam pair II with freewheel clutch inner ring Slow shelves power is transferred to torus axial direction external conical sleeve by the power output end of intermediate reduction gear transmission mechanism with merging;
Further, the freewheel clutch further includes Support roller assembly, and the supporting roller assembly is super including at least being parallel to More clutch axis and with the spaced backing roll of rolling element, the backing roll outer circle contacts with adjacent rolling element outer circle, The backing roll is arranged in the movable mode of the circumferencial direction in freewheel clutch;
Further, the inner ring it is axially extending go out outer ring ring-shaped depression and extension inner circle have can cooperate with transmission shaft Inner ring support portion, the outer ring inner circle have can with transmission shaft cooperate outer ring support portion;The outer circle of the inner ring support portion External spiral cam I is formed, intermediate cam is arranged with inside spin cam I, and the inside spin cam I and external spiral cam I cooperate Spiral prominence wheel set I is formed, spiral prominence wheel set I is cam pair II;
Further, the supporting roller assembly further includes supporting roller support, and the backing roll is with can be along freewheel clutch circumference Direction sliding and around own axis mode outer ring is supported in by supporting roller support ring-shaped depression radial outside in Between wall and inner ring outer circle;The supporting roller support includes the pushing out ring I and pushing out ring II corresponding to the setting of backing roll both ends, the support Ring I and pushing out ring II are respectively provided with the annular groove along II circumferencial direction of pushing out ring I and pushing out ring penetrated for backing roll both ends, described Backing roll both ends are slidably matched with corresponding annular groove;The ring-shaped depression axial direction bottom of the outer ring is equipped with for passing through lubricating oil Oil-through hole, the annular groove slot bottom that the pushing out ring I is located at ring-shaped depression axial direction bottom and pushing out ring I is equipped with axially extending bore;
Further, the inside spin cam and biography that the main transmission cam pair is equipped with by the torus axial direction external conical sleeve inner circle The inside spin cam that moving axis is equipped with complements each other to form;The transmission shaft extend cabinet shaft part transmission cooperation be equipped with for The driving member of hub drive cooperation;
Further, the support frame for being provided with tubular structure is fixedly connected with torus axial direction inner conical drogue, the support frame is separate One end of torus axial direction inner conical drogue, which is rotatably assorted, is supported in gearbox body, and the speed change elastic element is located at support frame and transmission Space between axis and it is coated at transmission shaft.
The beneficial effects of the invention are as follows:Two grades of self-adapting automatic gear shift drivings of battery-operated motor cycle side hanging bow bevel-type of the invention Assembly, all advantages with existing cam self-adapting automatic gear shifting device, as can detecting driving torque-according to running resistance Revolving speed and running resistance-speed signal make motor or engine output and traveling state of vehicle be in best always With state, realize that vehicle traction torque and the balance of comprehensive running resistance control, it is adaptive in the case where not cutting off driving force It is carried out automatically with running resistance variation shifted;It can satisfy and used under mountain area, hills and heavy load conditions, make motor or hair Engine load variation is gentle, and motor vehicles run smoothly, and improves safety;
Meanwhile the freewheel clutch of the slow shelves transmission mechanism of this speed changer using inner ring be located at inner ring be formed by it is annular recessed Interior structure is fallen into, inner ring is embedded in outer ring from structure, makes to form the influence mutually supported between inner ring and outer ring, avoid conventional junction Inner ring is supported directly upon the structure of transmission shaft on structure, also avoids driving error the problem of being amplified on freewheel clutch, no But the overall stability for guaranteeing freewheel clutch also makes speed changer long-term operation still guarantee to stablize support, reduces operation Noise guarantees running comfort and improves transmission efficiency, to reduce energy consumption;It also improves service life and running precision, is applicable in In the use environment of heavy duty and high speed.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is axial section structural schematic diagram of the invention;
Fig. 2 is overrun clutch structure schematic diagram;
Fig. 3 is freewheel clutch circumferential direction cross-sectional view.
Specific embodiment
Fig. 1 be axial section structural schematic diagram of the invention, Fig. 2 be overrun clutch structure schematic diagram, Fig. 3 be surmount from Clutch circumferential direction cross-sectional view, as shown in the figure:Two grades of self-adapting automatic gear shift drivings of battery-operated motor cycle side hanging bow bevel-type of the invention are total At including cabinet 13 and the transmission shaft 1 for cooperating and outputing power with body pivot, the cabinet 13 has to be installed for side hanging In the mounting portion of hub side, in use, motor is fixedly connected on cabinet 13, cabinet 13 is fixedly connected on the vehicle frame of hub side, Form side hanging structure;
The mechanical intelligent adaptive rate assembly for further including slow shelves transmission mechanism and being arranged on transmission shaft;
Mechanical intelligent adaptive rate assembly includes torus axial direction external conical sleeve 4, torus axial direction inner conical drogue 5 and speed change Elastic element 2;
5 inner circle of torus axial direction inner conical drogue is the axial conical surface, and 4 outer circle of torus axial direction external conical sleeve is the axial conical surface, annulus Body axial direction inner conical drogue is covered in torus axial direction external conical sleeve outer circumferential in such a way that the conical surface is worked in coordination into the conical surface for transmitting fast shelves Transmission;The application of speed change elastic element is bonded the conical surface of torus axial direction external conical sleeve and the inner conical surface of torus axial direction inner conical drogue The pretightning force of transmission, the torus axial direction external conical sleeve are coated at transmission shaft and are cooperated with it by the auxiliary driving of main transmission cam;
The slow shelves transmission mechanism includes freewheel clutch and intermediate reduction gear transmission mechanism, and the freewheel clutch includes outer Circle 15, inner ring 14 and rolling element 23, formation is used to engage by rolling element between the outer ring 15 and inner ring 14 or what is separated nibbles Space is closed, the outer ring axial end face forms ring-shaped depression, and the inner ring is set in rotation in the ring-shaped depression and engages Space is formed between inner ring outer circle and the inner wall of ring-shaped depression radial outside;The torus axial direction inner conical drogue is subtracted by centre Power is input to freewheel clutch outer ring by fast mechanism, and the freewheel clutch inner ring exports the transmitting of slow shelves power to torus Axial external conical sleeve;The rolling element of freewheel clutch and the structure in engagement space belong to the prior art, and details are not described herein;Due to outer It encloses axial end face and forms ring-shaped depression, then formed to cross-sectional view and be similar to arching, inner ring is formed after inner ring is installed Radial support;Outer ring is located at using inner ring and is formed by the structure in ring-shaped depression, inner ring is embedded in outer ring from structure, makes interior The influence mutually supported is formed between circle and outer ring, avoids inner ring on traditional structure from being supported directly upon the structure of transmission shaft, also keeps away Driving error is exempted from the problem of being amplified on freewheel clutch, has not only guaranteed the overall stability of freewheel clutch, also improve Service life and running precision, the use environment suitable for heavy duty and high speed;Intermediate reduction gear transmission mechanism can be one-stage gear Deceleration transmission or other reducing transmission structures, the intermediate reduction gear transmission mechanism can guarantee that torus axial direction inner conical drogue is transferred to The revolving speed of the outer ring of freewheel clutch is lower than the revolving speed of torus axial direction inner conical drogue;Goal of the invention to realize the present invention, it is described The inner ring of freewheel clutch surmounts between outer ring on power output member output direction of rotation;As shown, the centre subtracts Fast transmission mechanism includes slow shelves jackshaft 19, is set to the first slow shelves gear 21 and that slow shelves jackshaft 19 is driven cooperation with it Two slow shelves gears 16, slow shelves jackshaft 19 are rotatably assorted by annular bearing with rolling contact in mission case;With the torus axis Cooperation (drive mechanisms such as spline), which is driven, to the outer gear ring of inner conical drogue is equipped with slow shelves driving gear, the slow shelves driving gear and the One slow shelves gear engaged transmission cooperation, the outer ring engaged transmission of the second slow shelves gear and freewheel clutch;It is simple and compact for structure, it is real The now power transmitting of slow shelves.
It further include motor 22 and power input mechanism in the present embodiment, the power input mechanism includes power input master Moving gear, the first power input driven gear, power input jackshaft and the second power input driven gear, the power input Driving gear is driven by rotor axis of electric, as shown, rotor axis of electric transmission cooperation is equipped with and is set in rotation with cabinet Power input shaft, first power input driven gear engages with power input driving gear, and the first power inputs driven Gear and the input transmission of driven gear 6 of the second power, which are equipped with, inputs jackshaft in power, and the power input rotation of jackshaft 8 is matched Conjunction is supported in cabinet 13;Power is input to torus axial direction inner conical drogue 5, this implementation by the second power input driven gear 6 In example, torus axial direction inner conical drogue is equipped with the outer gear ring 7 engaged with the second power input driven gear;The structure is conducive to be formed just The deceleration of step, meanwhile, it is compact-sized, it is convenient for side hanging.
In the present embodiment, speed change elastic element keeps its male cone (strobilus masculinus) and torus axis inside the application of torus axial direction external conical sleeve The pretightning force of the inner conical surface fitting transmission of tapered sleeve;When the transmission shaft power output, main transmission cam pair is outside to torus axis Tapered sleeve applies the axial thrust load opposite with speed change elastic element pretightning force;
In the present embodiment, it is rotatably assorted and is coated at transmission shaft at least provided with an intermediate cam set 20, the present embodiment one It is a, it can also be multiple in the case where steric requirements has certainly;The intermediate cam covers 20 one end and torus axis is outside Tapered sleeve 4 is cooperated by I transmission of cam pair, and the other end, which is driven by cam pair II 17 with the inner ring of freewheel clutch, matches that merge will be slow Shelves power is transferred to torus axial direction external conical sleeve by the power output end of intermediate reduction gear transmission mechanism;When slow shelves form transmission, benefit Elastic element formation locking is compressed with the axial thrust load of cam pair II 17, cam pair I, spiral prominence wheel set, and forms slow shelves and passes It is dynamic;In the present embodiment, inside spin cam and biography that the main transmission cam pair is equipped with by the torus axial direction external conical sleeve inner circle The inside spin cam that moving axis is equipped with complements each other to form;The transmission shaft extend cabinet shaft part transmission cooperation be equipped with for The driving member of hub drive cooperation, as shown, the driving member 11 is the transmission dish structure for connecting with wheel hub;As schemed Show, 5 outer rim of torus axial direction inner conical drogue is equipped with the outer gear ring 7 for input power;The torus axial direction external conical sleeve 4 is coated at Transmission shaft 1 and inner circle are equipped with inside spin cam 4a, and it is total that transmission shaft 1 is equipped with the external spiral cam 10 matched with inside spin cam 4a With formation spiral cam pair;Spiral prominence wheel set is mutually matched helicitic texture, both for helicla flute, and embedded ball-shaped At meshing transmission structure;When torus axial direction external conical sleeve rotates, axial direction and circumference side are generated to transmission shaft by spiral prominence wheel set To two component, wherein simultaneously output power, axial thrust load are transmitted the installation knot of axis to the rotation of circumferencial direction component driving transmission shaft Structure is offset, and reaction force acts are in torus axial direction external conical sleeve and are applied to speed change elastic element;Reach in axial thrust load and sets Elastic element is formed when fixed number value and is compressed, so that torus axial direction external conical sleeve and the separation of torus axial direction inner conical drogue, form and become The condition of speed, belongs to the structure of the prior art, details are not described herein;Certainly, spiral prominence wheel set is the preferred structure of the present embodiment, Existing other cam pair drivings, such as edge cam etc. can also be used, but spiral prominence wheel set can make this structure more tight It gathers, manufactures, installs and repair more convenient, and helical structure stable drive, uniform force has unrivaled stabilization Property and smoothness, further increase working efficiency, there are better energy conservation and consumption reduction effects, biggish control vehicle discharges, more suitable It is used for roadsters such as light two wheelers.
In the present embodiment, freewheel clutch further includes Support roller assembly, and the supporting roller assembly is super including at least being parallel to More clutch axis and with the spaced backing roll of rolling element, the backing roll outer circle contacts with adjacent rolling element outer circle, The backing roll is arranged in the movable mode of the circumferencial direction in freewheel clutch;Independently of the backing roll knot of outer ring and inner ring Structure, and using servo-actuated structure cancels the elastic element and limit base of the prior art for keeping the spacing between rolling element, It avoids directly processing limit base on outer ring or inner ring, simplifies process, improve working efficiency, reduce processing cost, guarantee Processing and assembly precision prolong the service life and guarantee to be driven effect, and readily replaceable after associated components damage, reduce maintenance And use cost;Due to use 24 structure of backing roll, do not use individual elastic element, can it is theory unlimited extension surmount from The axial length of clutch and rolling element increases length of action, that is to say, that can need to increase freewheel clutch according to load-bearing Axial length to increase the bearing capacity of freewheel clutch, and reduces radial compared with the freewheel clutch under high bearing capacity Size extends the service life of freewheel clutch;Simultaneously as backing roll is directly contacted with rolling element, especially with roller When structure, the point contact to roller for eliminating the prior art applies unbalanced possibility caused by pretightning force, guarantees longer To the limit balance of rolling element under the premise of axial dimension, make it without departing from parallel with inner ring axis, to guarantee to surmount The stable operation of clutch, avoids mechanical breakdown;Using support roll structure, rolling element generally uses roller structure;
The supporting roller assembly further includes supporting roller support, and the backing roll along freewheel clutch circumferencial direction can slide The inner wall and inner ring of the ring-shaped depression radial outside of outer ring are supported in by supporting roller support with the mode around own axis Between outer circle;This structure guarantees that the rotation of backing roll or free sliding degree make to be further ensured that the trackability of backing roll Form rolling friction when freewheel clutch is run between rolling element 23 and backing roll 24, reduce power consumption, and to surmount from The stability of clutch is preferable;
In the present embodiment, the supporting roller support includes the pushing out ring I 25 and pushing out ring II 26 corresponding to the setting of backing roll both ends, The pushing out ring I 25 and pushing out ring II 26 be respectively provided with for 24 both ends of backing roll penetrate along II 26 circumference of pushing out ring I 25 and pushing out ring The annular groove in direction (indicates the annular groove 25a on pushing out ring I 25, on the annular groove 26a on pushing out ring II 26 and pushing out ring I in figure Ring channel structures it is similar and inside), the backing roll both ends are slidably matched with corresponding annular groove, i.e. one end of backing roll The annular groove on pushing out ring I is penetrated, the other end penetrates the annular groove on pushing out ring II;Using the mounting structure of annular groove, structure is simple, Assembly is easy, further such that the structure of freewheel clutch simplifies, reduces cost.
In the present embodiment, the ring-shaped depression axial direction bottom of the outer ring 15 is equipped with for the oil-through hole 15a by lubricating oil, The pushing out ring I 25 is located at ring-shaped depression axial direction bottom and the annular groove 25a slot bottom of pushing out ring I 25 is equipped with axially extending bore 25b;Passed through Oilhole can introduce and removal of lubricant, together form grease channel with the opening of ring-shaped depression, realize preferable lubrication and Cleaning, to guarantee the operating of freewheel clutch.
In the present embodiment, the engagement space is outside by the wedge groove of 14 Excircle machining of inner ring and the ring-shaped depression diameter of outer ring It is formed between the inner wall of side;Simplify processing technology, improves processing efficiency, and reduce processing cost.
In the present embodiment, the distribution of the axially extending bore 25b of the annular groove 25a slot bottom of the pushing out ring I 25 and backing roll 24 and Rolling element 23 is corresponding;It being capable of preferable relatively straightforward offer lubrication.
In the present embodiment, the diameter of the backing roll 24 is less than the one third of the diameter of rolling element, and rolling element is roller.
In the present embodiment, the inner ring 14 it is axially extending go out outer ring ring-shaped depression and extension inner circle have can be with transmission The inner ring support portion that axis 1 cooperates, the outer ring inner circle have the outer ring support portion that can cooperate with transmission shaft;I.e. outer ring support portion and Inner ring support portion is set in rotation with transmission shaft;The entire freewheel clutch of this structure is supported jointly by inner ring and outer ring, Increase overall stability, guarantees service life and transmission accuracy;The outer circle of the inner ring support portion forms external spiral cam I, in Between cam sleeve be equipped with inside spin cam I, the inside spin cam I and external spiral cam I complement each other to form spiral prominence wheel set I, spiral shell Cam pair I is revolved for cam pair II 18;As shown, intermediate cam set 20 is fixedly connected equipped with a major diameter axle sleeve 17, this is big straight 17 inner circle of diameter axle sleeve is equipped with spiral prominence race, freewheel clutch inner ring it is axially extending go out outer ring part outer circle be equipped with it is big straight The spiral prominence race 27 of the spiral prominence race cooperation of diameter axle sleeve inner circle, certain spiral prominence race is interior to be equipped with ball, to guarantee two Spiral cam slot forms engagement;Using the drive mechanism of spiral prominence wheel set I, it is conducive to eliminate radial clearance, guarantees cooperation precision, together When, axial fit clearance is eliminated, to be conducive to eliminate transmission pause and transition in rhythm or melody sense.
In the present embodiment, the inner ring support portion of the inner ring 14 is equipped with the inner ring needle roller axis for being rotatably assorted with transmission shaft It holds and (is not indicated in figure), the outer ring support portion of the outer ring 15 is equipped with the cup needle roller bearings for being rotatably assorted with transmission shaft 9;Using the structure of needle bearing, it is adapted for mounting to transmission shaft 1, entire drive mechanism adaptability is stronger.
In the present embodiment, the support frame 3 for being provided with tubular structure, the support are fixedly connected with torus axial direction inner conical drogue 5 Frame 3 is rotatably assorted far from one end of torus axial direction inner conical drogue and is supported in gearbox body 13, and the speed change elastic element 2 is located at branch Space between support 3 and transmission shaft 1 and it is coated at transmission shaft;As shown, being surpassed on transmission shaft by left-to-right be equipped with More (the present embodiment uses speed change for clutch outer 15, intermediate cam set 20, torus axial direction external conical sleeve 4 and speed change elastic element 2 Disc spring), the support frame 3 of tubular structure forms stable support to torus axial direction inner conical drogue, guarantee transmission accuracy, meanwhile, become Fast elastic element is located at space of the support frame between transmission shaft and is coated at transmission shaft, compact-sized.
Above embodiments are optimum structure of the invention, are not limiting the scope of the present invention;In connection side The scheme adjusted in formula, the realization without influencing this hair goal of the invention.
The fast shelves power transmission line of the present embodiment:
Power → torus axial direction inner conical drogue 5 → torus axial direction external conical sleeve 4 → torus axial direction external conical sleeve inside spin Cam 4a → transmission shaft 1 external spiral cam 10 → transmission shaft output power;
Freewheel clutch surmounts at this time, and resistance transfer route:Transmission shaft → transmission shaft external spiral cam → torus The inside spin cam of axial external conical sleeve → torus axial direction external conical sleeve → compression speed change butterfly spring;Transmission shaft passes through the outer spiral shell of transmission shaft Rotation cam applies axial force to the inside spin cam and torus axial direction external conical sleeve of torus axial direction external conical sleeve and compresses speed change butterfly Spring, when running resistance is increased to a timing, which makes torus axial direction inner conical drogue and torus axial direction outer cone Set separation, power are transmitted by following routes, i.e., slow shelves power transmission line:
The slow shelves gear of power → torus axial direction inner conical drogue 5 → slow shelves driving gear 9 → the first 21 → slow shelves jackshaft 19 Outer ring 15 → freewheel clutch inner ring 14 → spiral prominence, I → intermediate cam of wheel set of → the second slow 16 → freewheel clutch of shelves gear The inside spin cam 4a → transmission shaft 1 for covering 20 → cam pair, I → torus axial direction external conical sleeve 4 → torus axial direction external conical sleeve is outer Spiral cam 10 → transmission shaft output power.
Slow shelves power transmission line also passes through following route simultaneously:Intermediate cam set 20 → torus axial direction external conical sleeve 4 → Speed change butterfly spring is compressed, prevents occurring compression speed change butterfly spring reciprocating compression in slow shelves transmission process, thus circle when slow shelves being prevented to be driven Ring body axial direction inner conical drogue and the fitting of torus axial direction external conical sleeve.
There is above-mentioned transfer route to can be seen that the present invention at runtime, the inner conical surface and annulus of torus axial direction inner conical drogue The male cone (strobilus masculinus) of body axial direction external conical sleeve fits closely under the effect of speed change butterfly spring, forms the automatic speed variator of a holding certain pressure Structure, and pressure needed for clutch engagement can be adjusted by increasing the axial width of speed change axle sleeve, reach transmission purpose, this When, power drives torus axial direction inner conical drogue, torus axial direction external conical sleeve, transmission shaft, revolves transmission shaft output power counterclockwise Turn;Slow shelves freewheel clutch, which is in, at this time surmounts state.
Resistance is greater than driving force when motor vehicle starting, and resistance forces transmission shaft 1 to rotate clockwise certain angle, in transmission shaft Under the action of 1 external spiral cam 10, torus axial direction external conical sleeve 4 compresses speed change butterfly spring;Torus axial direction external conical sleeve 4 and annulus Body axial direction inner conical drogue 5 separates, synchronous, and slow shelves freewheel clutch engagement, power drives torus axial direction inner conical drogue 5, the first slow shelves Gear 21, slow shelves jackshaft 19, the second slow shelves gear 16, the outer ring 15 of freewheel clutch, inner ring 14, intermediate cam set 20, circle Ring body axial direction external conical sleeve 4 and transmission shaft 1 rotate 1 output power of transmission shaft with slow notch speed degree;Therefore, low speed is realized automatically Shelves start, and shorten the starting time, reduce starting power.At the same time, speed change butterfly spring absorbs resistance of motion square energy, to restore Fast shelves gear transmitting power stores standby potential energy.
After starting successfully, running resistance is reduced, when pressure caused by component is reduced to less than speed change butterfly spring, because being transported Dynamic resistance is compressed and generates speed change butterfly spring pressure and discharge rapidly under promotion, and the male cone (strobilus masculinus) and circle of torus axial direction external conical sleeve 4 are completed The inner conical surface recovery of ring body axial direction inner conical drogue 5 fits closely state, and slow shelves freewheel clutch, which is in, surmounts state.
In driving process, as the variation fluid drive principle of the resistance of motion is same as above, in the feelings for not needing cutting driving force Shift is realized under condition, keeps entire locomotive operation steady, safe and low consumption, and also transfer route is simplified, and transmission efficiency is improved.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention Art scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered at this In the scope of the claims of invention.

Claims (5)

1. a kind of battery-operated motor cycle side hanging bends two grades of self-adapting automatic gear shift drive assembly of bevel-type, it is characterised in that:Including cabinet With the transmission shaft for cooperating and outputing power with body pivot, the cabinet has the installation that hub side is installed on for side hanging The mechanical intelligent adaptive rate assembly that portion further includes slow shelves transmission mechanism and is arranged on transmission shaft;
Mechanical intelligent adaptive rate assembly includes torus axial direction external conical sleeve, torus axial direction inner conical drogue and speed change elasticity member Part;
Torus axial direction inner conical drogue inner circle is the axial conical surface, and torus axial direction external conical sleeve outer circle is the axial conical surface, and torus is axial Inner conical drogue is covered in torus axial direction external conical sleeve outer circumferential in such a way that the conical surface is worked in coordination into the conical surface transmission for transmitting fast shelves; Speed change elastic element, which applies, makes the conical surface of torus axial direction external conical sleeve be bonded transmission with the inner conical surface of torus axial direction inner conical drogue Pretightning force;The torus axial direction external conical sleeve is coated at transmission shaft and is cooperated with it by the auxiliary driving of main transmission cam;
The slow shelves transmission mechanism includes freewheel clutch and intermediate reduction gear transmission mechanism, the freewheel clutch include outer ring, Inner ring and rolling element are formed between the outer ring and inner ring and are used for through rolling element engagement or isolated engagement space, described outer It encloses axial end face and forms ring-shaped depression, the inner ring is set in rotation in the ring-shaped depression and engagement space is formed in inner ring Between outer circle and the inner wall of ring-shaped depression radial outside;The torus axial direction inner conical drogue is defeated by power by intermediate reduction gear mechanism Enter to freewheel clutch outer ring, the freewheel clutch inner ring exports the transmitting of slow shelves power to torus axial direction external conical sleeve;
What the inside spin cam and transmission shaft that the main transmission cam pair is equipped with by the torus axial direction external conical sleeve inner circle were equipped with Inside spin cam complements each other to form;The shaft part transmission cooperation that the transmission shaft extends cabinet is equipped with for matching with hub drive The driving member of conjunction;
The freewheel clutch further includes supporting roller assembly, and the supporting roller assembly includes at least and is parallel to freewheel clutch axis And with the spaced backing roll of rolling element, the backing roll outer circle contacts with adjacent rolling element outer circle, the backing roll with It is arranged in the movable mode of the circumferencial direction of freewheel clutch;The supporting roller assembly further includes supporting roller support, the branch Runner by can along freewheel clutch circumferencial direction slide and around own axis in a manner of by supporting roller support be supported in outside Between the inner wall and inner ring outer circle of the ring-shaped depression radial outside of circle;
It is rotatably assorted and is coated at transmission shaft at least provided with an intermediate cam set, the intermediate cam covers one end and torus is axial External conical sleeve is cooperated by secondary I transmission of cam, and the other end is matched with the transmission of freewheel clutch inner ring by cam pair II and merged slow shelves Power is transferred to torus axial direction external conical sleeve by the power output end of intermediate reduction gear transmission mechanism;
The inner ring it is axially extending go out outer ring ring-shaped depression and extension inner circle there is the inner ring support portion that cooperates with transmission shaft, The outer ring inner circle has the outer ring support portion cooperated with transmission shaft;The outer circle of the inner ring support portion forms external spiral cam I, Intermediate cam is arranged with inside spin cam I, and the inside spin cam I and external spiral cam I complement each other to form spiral prominence wheel set I.
2. battery-operated motor cycle side hanging according to claim 1 bends two grades of self-adapting automatic gear shift drive assembly of bevel-type, special Sign is:It further include motor and power input mechanism, the power input mechanism includes power input driving gear, the first power It inputs driven gear, power input jackshaft and the second power and inputs driven gear, the power input driving gear passes through electricity The driving of machine rotor axis, the first power input driven gear are engaged with power input driving gear, and the input of the first power is driven Gear and the input driven gear transmission of the second power, which are equipped with, inputs jackshaft in power, and power input jackshaft is rotatably assorted It is supported in cabinet;Power is input to torus axial direction inner conical drogue by the second power input driven gear.
3. battery-operated motor cycle side hanging according to claim 1 bends two grades of self-adapting automatic gear shift drive assembly of bevel-type, special Sign is:Speed change elastic element applies the inner conical surface for making its male cone (strobilus masculinus) Yu torus axial direction inner conical drogue to torus axial direction external conical sleeve It is bonded the pretightning force of transmission;When the transmission shaft power output, main transmission cam pair applies and becomes to torus axial direction external conical sleeve The opposite axial thrust load of fast elastic element pretightning force.
4. battery-operated motor cycle side hanging according to claim 1 bends two grades of self-adapting automatic gear shift drive assembly of bevel-type, special Sign is:The supporting roller support includes pushing out ring I and pushing out ring II, and the pushing out ring I is set to backing roll one end, and pushing out ring II is set to The backing roll other end, the pushing out ring I and pushing out ring II, which are respectively provided with, to be justified for what backing roll both ends penetrated along pushing out ring I and pushing out ring II The annular groove of circumferential direction, the backing roll both ends are slidably matched with corresponding annular groove;The ring-shaped depression axial direction bottom of the outer ring Portion is equipped with for the oil-through hole by lubricating oil, and the pushing out ring I is located at the annular groove slot bottom of ring-shaped depression axial direction bottom and pushing out ring I Equipped with axially extending bore.
5. battery-operated motor cycle side hanging according to claim 1 bends two grades of self-adapting automatic gear shift drive assembly of bevel-type, special Sign is:The support frame for being provided with tubular structure is fixedly connected with torus axial direction inner conical drogue, the support frame is far from torus axis It is rotatably assorted to one end of inner conical drogue and is supported in gearbox body, the speed change elastic element is between support frame and transmission shaft Space and it is coated at transmission shaft.
CN201510564539.4A 2015-09-08 2015-09-08 Battery-operated motor cycle side hanging bends two grades of self-adapting automatic gear shift drive assembly of bevel-type Expired - Fee Related CN105365996B (en)

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CN110030332B (en) * 2019-04-16 2022-07-12 西南大学 Output self-adaptive automatic transmission with double overrunning clutch shaft sleeves
CN111075893B (en) * 2019-12-04 2021-05-04 西南大学 Compact type super-large load self-adaptive automatic speed changing system

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JPH07224917A (en) * 1994-02-14 1995-08-22 Shoden On Non-stage speed change gear having large change gear ratio
CN202203304U (en) * 2011-07-14 2012-04-25 石光林 Retainer positioning mechanism of freewheel clutch
CN102748450A (en) * 2012-07-02 2012-10-24 西南大学 Mechanical intelligent adaptive two-gear multi-cam automatic speed change driver
CN103307140A (en) * 2013-05-31 2013-09-18 西南大学 Floating auxiliary roller type overrun clutch

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