CN105365996A - Laterally hung bow cone type two-gear self-adaption automatic speed change driving assembly for electric motorcycle - Google Patents

Laterally hung bow cone type two-gear self-adaption automatic speed change driving assembly for electric motorcycle Download PDF

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Publication number
CN105365996A
CN105365996A CN201510564539.4A CN201510564539A CN105365996A CN 105365996 A CN105365996 A CN 105365996A CN 201510564539 A CN201510564539 A CN 201510564539A CN 105365996 A CN105365996 A CN 105365996A
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China
Prior art keywords
torus
ring
axial
transmission
cam
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CN201510564539.4A
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Chinese (zh)
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CN105365996B (en
Inventor
梁稚子
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Southwest University
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Individual
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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)
  • Mechanical Operated Clutches (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)

Abstract

The invention discloses a laterally hung bow cone type two-gear self-adaption automatic speed change driving assembly for an electric motorcycle, comprising a box and a transmission shaft as well as a low-gear transmission mechanism and a mechanical intelligent self-adaption speed change assembly, wherein the box has a mounting part for being arranged at the side of a hub in a laterally hung way, the mechanical intelligent self-adaption speed change assembly is arranged on the transmission shaft, an annular pit is formed in the axial end face of the outer ring of an overrunning clutch of the low-gear transmission mechanism, the inner ring is arranged in the annular pit in a rotatable fit way, and a meshing space is formed between the outer circle of the inner ring and the inner wall of the radial outer side of the annular pit. According to the invention, the conventional structure that the inner ring is supported by the transmission shaft directly is avoided, and the problem that transmission error is amplified on the overrunning clutch is avoided, and therefore, the overall stability of the overrunning clutch is ensured, steady support is still ensured for long-period operation of a speed changer, operation noise is lowered, operation comfort is ensured, and transmission efficiency is improved, and further energy consumption is reduced; and the service life is prolonged, the operation precision is improved, and the driving assembly is applicable to use environments with heavy load and requiring high speed.

Description

Battery-operated motor cycle side hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly
Technical field
The present invention relates to a kind of vehicle transmission, particularly a kind of battery-operated motor cycle side hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly.
Background technology
In prior art, automobile, motor bike, Electrical Bicycle are all directly control throttle gate or current control speed by governor handle or acceleration pedal substantially, or adopt hand-control mechanical automatic automatic transmission mode to realize speed change.The operation of navigating mate is depended in the operation of handle or acceleration pedal completely, operation usually can be caused not mate with garage situation, cause motor or driving engine fluctuation of service, occur stall phenomenon.
Self-propelled vehicle when by rider when not knowing resistance to motion, only rule of thumb operate the transmission system of control, there is following problem unavoidably: 1. starting, go up a slope and heavy load time, because resistance to motion increases, force motor or engine speed to decline and work in low efficiency district.2., owing to not having mechanical transmission to adjust moment of torsion and speed, can only promote the use of in region of no relief, use under mountain area, hills and heavy load conditions can not be met, reduce range of use; 3. drive wheel place installing space is little, is difficult to hold automatic transmission with hydraulic torque converter and other up-to-date technology again after having installed driving engine or motor; 4. do not possess adaptive function, automatically can not detect, revise and get rid of the operation mistake of chaufeur; 5., when speed of a motor vehicle change is unexpected, motor or engine power must be caused to be difficult to mate with resistance to motion.6. continue apart from short, hill climbing ability is poor, applicable area is little.
In order to overcome the above problems, present inventor has invented a series of cam self-adapting automatic gear shifting device, utilize resistance to motion power cam, reach autoshift and the object according to resistance to motion 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, change-speed box volume is larger, the distortion of long-term operation parts obviously, does not have stable support, causes running noises larger, affect running comfort and affect driving efficiency, thus energy consumption is higher.
Therefore, one is needed to improve above-mentioned cam self-adapting automatic gear shifting device, not only can self adaptation automatically carry out when not cutting off propulsive effort with traveling change in resistance shifted, solve moment of torsion-rotation speed change little problem that can not meet complex condition road occupation; Long-term operation still ensures stable support, reduces running noises, ensures running comfort and improves driving efficiency, thus reduces energy consumption.
Summary of the invention
In view of this, the object of this invention is to provide a kind of battery-operated motor cycle side and hang bow bevel-type two grades of self-adapting automatic gear shifts driving assemblies, not only can self adaptation automatically carry out when not cutting off propulsive effort with traveling change in resistance shifted, solve moment of torsion-rotation speed change little problem that can not meet complex condition road occupation; Long-term operation still ensures stable support, reduces running noises, ensures running comfort and improves driving efficiency, thus reduces energy consumption.。
Battery-operated motor cycle side of the present invention hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, comprise casing and coordinate with body pivot and the transmission shaft outputed power, described casing has hangs for side the installation portion being installed on hub side, also comprises slow shelves transmission device and is arranged on the mechanical intelligent adaptive rate assembly on transmission shaft;
Mechanical intelligent adaptive rate assembly comprises the axial external conical sleeve of torus, the axial inner conical drogue of torus and speed change elastic element;
The axial inner conical drogue inner circle of torus is the axial conical surface, and the axial external conical sleeve cylindrical of torus is the axial conical surface, and the axial inner conical drogue of torus is enclosed within the axial external conical sleeve excircle of torus 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 torus and the inner conical surface of torus axis inner conical drogue to fit the predetermincd tension of transmission; The axial external conical sleeve of described torus is coated at transmission shaft and is coordinated by the auxiliary driving of main gear cam with it;
Described slow shelves transmission device comprises overriding clutch and intermediate reduction gear transmission device, described overriding clutch comprises outer ring, inner ring and rolling body, the engagement space being used for being engaged by rolling body 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 overriding clutch outer ring by intermediate reduction gear mechanism by the axial inner conical drogue of described torus, and slow shelves transmission of power is exported to the axial external conical sleeve of torus by described overriding clutch inner ring.
Further, also comprise motor and power input mechanism, described power input mechanism comprises power input driving gear, the first power input driven gear, power input tween drive shaft and the second power input driven gear, described power input driving gear is driven by rotor axis of electric, described first power input driven gear inputs driving gear with power and engages, first power input driven gear and the transmission of the second power input driven gear are equipped with in power input tween drive shaft, and power input tween drive shaft normal-running fit is supported in casing; Power is inputed to the axial inner conical drogue of torus by described second power input driven gear;
Further, speed change elastic element applies to make the inner conical surface of its male cone (strobilus masculinus) and the axial inner conical drogue of torus to fit the predetermincd tension of transmission to the axial external conical sleeve of torus; During described transmission shaft Power output, main gear cam is secondary applies the axial component contrary with speed change elastic element predetermincd tension to the axial external conical sleeve of torus;
Further, normal-running fit is coated at transmission shaft and is at least provided with an intermediate cam cover, described intermediate cam is overlapped the axial external conical sleeve of one end and torus and is coordinated by cam secondary I transmission, and the other end to be coordinated with the transmission of overriding clutch inner ring by cam secondary II and slow shelves power is passed to torus axis external conical sleeve by the clutch end of intermediate reduction gear transmission device;
Further, described overriding clutch also comprises Support roller assembly, described supporting roller assembly at least comprises and is parallel to overriding clutch axis and anvil roll spaced with rolling body, described anvil roll cylindrical contacts with adjacent rolling body cylindrical, and described anvil roll is to arrange in the movable mode of the circumferencial direction of overriding clutch;
Further, described inner ring axially extends the ring-shaped depression of outer ring and extension inner circle has the inner ring support portion that can coordinate with transmission shaft, and described outer ring inner circle has the support portion, outer ring that can coordinate with transmission shaft; The cylindrical of described inner ring support portion forms external spiral cam I, and intermediate cam is arranged with inside spin cam I, and this inside spin cam I complements each other to form spiral prominence wheel set I with external spiral cam I, and spiral prominence wheel set I is cam pair II;
Further, described supporting roller assembly also comprises supporting roller support, and described anvil 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 overriding clutch circumferencial direction and inner ring cylindrical; Described supporting roller support comprises the pushing out ring I and pushing out ring II that arrange corresponding to anvil roll two ends, described pushing out ring I and pushing out ring II are respectively equipped with the circular groove along pushing out ring I and pushing out ring II circumferencial direction for penetrating for anvil roll two ends, described anvil roll two ends and corresponding circular groove bearing fit; The ring-shaped depression of described outer ring is axially provided with for the oil-through hole by lubricating 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 axially extending bore;
Further, the inside spin cam that the secondary inside spin cam that is provided with by the axial external conical sleeve inner circle of described torus of described main gear cam and transmission shaft are provided with complements each other to form; The shaft part transmission that described transmission shaft extends casing coordinates the Transmission be provided with for coordinating with hub drive;
Further, the bracing frame being provided with tubular structure is fixedly connected with the axial inner conical drogue of torus, this bracing frame is supported in gearbox body away from one end normal-running fit of the axial inner conical drogue of torus, the space of described speed change elastic element between bracing frame and transmission shaft and be coated at transmission shaft.
The invention has the beneficial effects as follows: battery-operated motor cycle side of the present invention hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, there is all advantages of existing cam self-adapting automatic gear shifting device, if detect driving torque-rotating speed and resistance to motion-vehicle speed signal according to resistance to motion, motor or engine output and traveling state of vehicle is made to be in optimum matching state all the time, the balance realizing vehicular drive moment and comprehensive resistance to motion controls, and when not cutting off propulsive effort, self adaptation is carried out shifted with traveling change in resistance automatically; Use under can meeting mountain area, hills and heavy load conditions, make motor or engine load change gently, power actuated vehicle operates steadily, and improves safety;
Simultaneously, the overriding clutch of the slow shelves transmission device of this change-speed box 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 confguration is avoided directly to be supported in the structure of transmission shaft, it also avoid the problem that driving error is exaggerated on overriding clutch, not only ensure the resistance to overturning of overriding clutch, change-speed box long-term operation is also made still to ensure stable support, reduce running noises, ensure running comfort and improve driving efficiency, thus reduction energy consumption, also improve service life and running precision, be applicable to heavy duty and environment for use at a high speed.
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 overrun clutch structure schematic diagram;
Fig. 3 is overriding clutch circumference cutaway view.
Detailed description of the invention
Fig. 1 is axial section structural representation of the present invention, Fig. 2 is overrun clutch structure schematic diagram, Fig. 3 is overriding clutch circumference cutaway view, as shown in the figure: battery-operated motor cycle side of the present invention hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, comprise casing 13 and coordinate with body pivot and the transmission shaft 1 outputed power, described casing 13 has hangs for side the installation portion being installed on hub side, during use, motor is fixedly connected on casing 13, casing 13 is fixedly connected on the vehicle frame of hub side, forms side hanging hang structure;
Also comprise slow shelves transmission device and be arranged on the mechanical intelligent adaptive rate assembly on transmission shaft;
Mechanical intelligent adaptive rate assembly comprises the axial external conical sleeve 4 of torus, the axial inner conical drogue 5 of torus and speed change elastic element 2;
Axial inner conical drogue 5 inner circle of torus is the axial conical surface, and axial external conical sleeve 4 cylindrical of torus is the axial conical surface, and the axial inner conical drogue of torus is enclosed within the axial external conical sleeve excircle of torus 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 inner conical surface of the axial inner conical drogue of the conical surface of the axial external conical sleeve of torus and torus to fit the predetermincd tension of transmission, and described torus axis external conical sleeve is coated at transmission shaft and is coordinated by the auxiliary driving of main gear cam with it;
Described slow shelves transmission device comprises overriding clutch and intermediate reduction gear transmission device, described overriding clutch comprises outer ring 15, inner ring 14 and rolling body 23, the engagement space being used for being engaged by rolling body or being separated is formed between described outer ring 15 and inner ring 14, 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 overriding clutch outer ring by intermediate reduction gear mechanism by the axial inner conical drogue of described torus, and slow shelves transmission of power is exported to the axial external conical sleeve of torus by described overriding clutch inner ring; The rolling body of overriding clutch and the structure in engagement space belong to prior art, do not repeat them here; Because outer ring axial end forms ring-shaped depression, its warp-wise cutaway view is then formed and is similar to arching, internal cast support radially after installing inner ring; Inner ring is adopted to be positioned at the structure of the ring-shaped depression that outer 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 confguration is avoided directly to be supported in the structure of transmission shaft, it also avoid the problem that driving error is exaggerated on overriding clutch, not only ensure the resistance to overturning of overriding clutch, also improve service life and running precision, be applicable to heavy duty and environment for use at a high speed; Intermediate reduction gear transmission device can be primary gear speed reducing transmission or other reducing transmission structures, and this intermediate reduction gear transmission device can ensure that the axial inner conical drogue of torus is passed to the rotating speed of rotating speed lower than the axial inner conical drogue of torus of the outer ring of overriding clutch; For realizing goal of the invention of the present invention, the inner ring of described overriding clutch exports on hand of rotation at power output member and surmounts between outer ring; As shown in the figure, described intermediate reduction gear transmission device comprises slow shelves tween drive shaft 19, be arranged at first slow grade of gear 21 and second slow grade of gear 16 that slow shelves tween drive shaft 19 coordinates with its transmission, slow shelves tween drive shaft 19 by annular bearing with rolling contact normal-running fit in mission case; Coordinate drive mechanisms such as () splines to be provided with slow shelves driving gear with the external toothing transmission of the axial inner conical drogue of described torus, described slow shelves driving gear coordinates with first slow grade of meshed transmission gear, the outer ring engaged transmission of second slow grade of gear and overriding clutch; Simple and compact for structure, realize the transmission of power of slow shelves.
In the present embodiment, also comprise motor 22 and power input mechanism, described power input mechanism comprises power input driving gear, first power input driven gear, power input tween drive shaft and the second power input driven gear, described power input driving gear is driven by rotor axis of electric, as shown in the figure, rotor shaft drive cooperation is provided with the power input shaft being set in rotation with casing, described first power input driven gear inputs driving gear with power and engages, first power input driven gear and the transmission of the second power input driven gear 6 are equipped with in power input tween drive shaft, power input tween drive shaft 8 normal-running fit is supported in casing 13, power is inputed to the axial inner conical drogue 5 of torus by described second power input driven gear 6, and in the present embodiment, the axial inner conical drogue of torus is provided with the external toothing 7 inputting driven gear with the second power and engage, this structure is beneficial to and forms preliminary deceleration, and meanwhile, compact conformation, is convenient to side and hangs.
In the present embodiment, speed change elastic element applies to make the inner conical surface of its male cone (strobilus masculinus) and the axial inner conical drogue of torus to fit the predetermincd tension of transmission to the axial external conical sleeve of torus; During described transmission shaft Power output, main gear cam is secondary applies the axial component contrary with speed change elastic element predetermincd tension to the axial external conical sleeve of torus;
In the present embodiment, normal-running fit is coated at transmission shaft and is at least provided with an intermediate cam cover 20, and the present embodiment is one, certainly, when space condition possesses, also can be multiple; Described intermediate cam is overlapped the axial external conical sleeve 4 of 20 one end and torus and is coordinated by cam secondary I transmission, and the other end to be coordinated with the inner ring transmission of overriding clutch by cam secondary II 17 and slow shelves power is passed to torus axis external conical sleeve by the clutch end of intermediate reduction gear transmission device; When slow shelves form transmission, utilize the axial component of cam pair II 17, cam pair I, spiral prominence wheel set to compress elastic element and form locking, and form slow shelves transmission; In the present embodiment, the inside spin cam that described main gear cam pair is provided with by the axial external conical sleeve inner circle of described torus and the inside spin cam that transmission shaft is provided with complement each other to form; The shaft part transmission that described transmission shaft extends casing coordinates the Transmission be provided with for coordinating with hub drive, and as shown in the figure, this Transmission 11 is the drive plate structure for being connected with wheel hub; As shown in the figure, axial inner conical drogue 5 outer rim of torus is provided with the external toothing 7 for input power; The axial external conical sleeve 4 of described torus is coated at transmission shaft 1 and inner circle is provided with inside spin cam 4a, and transmission shaft 1 is provided with the external spiral cam 10 matched with inside spin cam 4a and jointly forms spiral prominence wheel set; Spiral prominence wheel set is the helicitic texture cooperatively interacted, and the two is plug helix, and embedded ball forms meshing transmission structure; When the axial external conical sleeve of torus rotates, by spiral prominence wheel set, axis and circumferencial direction two component are produced to transmission shaft, wherein circumferencial direction component drives drive axis and outputting power, the mounting structure that axial component is transmitted axle is offset, and its reaction force acts is in the axial external conical sleeve of torus and put on speed change elastic element; When axial component reaches setting numerical value, compression is formed to elastic element, the axial external conical sleeve of torus is separated with the axial inner conical drogue of torus, 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 edge type strainer etc., but spiral prominence wheel set can make this structure more compact, manufactures, installs and keep in repair more convenient, and helical 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 car and uses.
In the present embodiment, overriding clutch also comprises Support roller assembly, described supporting roller assembly at least comprises and is parallel to overriding clutch axis and anvil roll spaced with rolling body, described anvil roll cylindrical contacts with adjacent rolling body cylindrical, and described anvil roll is to arrange in the movable mode of the circumferencial direction of overriding clutch; Independent of the supporting roller structure of outer ring and inner ring, and adopt servo-actuated structure, for keeping the spacing between rolling body, cancel elastic element and the limit base of prior art, avoid directly processing limit base on outer ring or inner ring, simplify the course of processing, 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 anvil roll 24 structure, do not adopt independent elastic element, theory unlimited can extend the axial length of overriding clutch and rolling body, increase length of action, that is, can need according to load-bearing the axial length increasing overriding clutch, thus increase the load-carrying capacity of overriding clutch, and reduce, compared with the overriding clutch radial dimension under high bearing capacity, to extend the service life of overriding clutch; Simultaneously, because anvil roll directly contacts with rolling body, when particularly adopting roller construction, the unbalanced possibility that the applying of the point cantact to the roller predetermincd tension eliminating prior art produces, ensure the spacing balance to rolling body under the prerequisite of longer axial dimension, what make it not depart from inner ring axis is parallel, thus ensures the smooth operation of overriding clutch, avoids mechanical breakdown; Adopt backing roll structure, rolling body generally adopts roller construction;
Described supporting roller assembly also comprises supporting roller support, and described anvil 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 overriding clutch circumferencial direction and inner ring cylindrical; This structure ensures rotation or the free sliding degree of anvil roll, thus ensure the trackability of anvil roll further, make to form friction of rolling when overriding clutch runs between rolling body 23 and anvil roll 24, reduce power consumption, and make the stability of overriding clutch better;
In the present embodiment, described supporting roller support comprises the pushing out ring I 25 and pushing out ring II 26 that arrange corresponding to anvil roll two ends, the circular groove along pushing out ring I 25 and pushing out ring II 26 circumferencial direction that described pushing out ring I 25 and pushing out ring II 26 are respectively equipped with for penetrating for anvil roll 24 two ends (indicates the circular groove 25a on pushing out ring I 25 in figure, circular groove 26a on pushing out ring II 26 and the ring channel structures on pushing out ring I similar and all inside), described anvil roll two ends and corresponding circular groove bearing fit, namely one end of anvil roll penetrates the circular groove on pushing out ring I, the other end penetrates the circular groove on pushing out ring II, adopt the mounting structure of circular groove, structure is simple, and assembling easily, makes the designs simplification of overriding clutch 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 lubricating oil in bottom, and described pushing out ring I 25 is positioned at the axial bottom of ring-shaped depression and the circular groove 25a bottom land of pushing out ring I 25 is provided with axially extending bore 25b; 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 overriding clutch.
In the present embodiment, described engagement space is formed by between the webge slot of inner ring 14 Excircle machining and the inwall of the ring-shaped depression radial outside of outer ring; Simplified processing process, improves work efficiency, and cuts down finished cost.
In the present embodiment, the distribution of the axially extending bore 25b of the circular groove 25a bottom land of described pushing out ring I 25 is corresponding with anvil roll 24 and rolling body 23; Comparatively directly can provide lubrication preferably.
In the present embodiment, the diameter of described anvil roll 24 is less than 1/3rd of the diameter of rolling body, and rolling body is roller.
In the present embodiment, described inner ring 14 axially extends the ring-shaped depression of outer ring and extension inner circle has the inner ring support portion that can coordinate with transmission shaft 1, and described outer ring inner circle has the support portion, outer ring that can coordinate with transmission shaft; Namely support portion, outer ring and inner ring support portion are all set in rotation with transmission shaft; The whole overriding clutch of this structure, by inner ring and outer ring common support, increases resistance to overturning, ensures service life and transmission accuracy; The cylindrical of described inner ring support portion forms external spiral cam I, and intermediate cam is arranged with inside spin cam I, and this inside spin cam I complements each other to form spiral prominence wheel set I with external spiral cam I, and spiral prominence wheel set I is cam secondary II 18; As shown in the figure, intermediate cam cover 20 is fixedly connected with and is provided with a major diameter axle sleeve 17, this major diameter axle sleeve 17 inner circle is provided with spiral prominence race, the cylindrical that overriding clutch inner ring axially extends the part of outer ring is provided with the spiral prominence race 27 with the spiral cam slot fit of major diameter axle sleeve inner circle, ball is provided with, to ensure that two spiral cam grooves form engagement in certain spiral prominence race; Adopt the drive mechanism of spiral prominence wheel set I, be beneficial to elimination diameter clearance, ensure quality of fit, meanwhile, eliminate axial fit clearance, thus be beneficial to elimination transmission pause and transition in rhythm or melody sense.
In the present embodiment, the inner ring support portion of described inner ring 14 is provided with the inner ring needle bearing (not representing in figure) for coordinating with drive axis, and the support portion, outer ring of described outer ring 15 is provided with the cup needle roller bearings 9 for coordinating with drive axis; Adopt the structure of needle bearing, be applicable to be installed to transmission shaft 1, whole drive mechanism comformability is stronger.
In the present embodiment, the bracing frame 3 being provided with tubular structure is fixedly connected with the axial inner conical drogue 5 of torus, this bracing frame 3 is supported in gearbox body 13 away from one end normal-running fit of the axial inner conical drogue of torus, the space of described speed change elastic element 2 between bracing frame 3 and transmission shaft 1 and be coated at transmission shaft; As shown in the figure, transmission shaft is provided with overriding clutch outer ring 15, intermediate cam cover 20, the axial external conical sleeve 4 of torus and speed change elastic element 2 (the present embodiment adopts speed change disc spring) by left-to-right, the axial inner conical drogue of bracing frame 3 pairs of torus of tubular structure forms stable support, ensure transmission accuracy, simultaneously, speed change elastic element is in the space of bracing frame between transmission shaft and be coated at transmission shaft, compact conformation.
Above embodiment is optimum structure of the present invention, is not limiting the scope of the present invention; The scheme that connection mode adjusts to some extent, and do not affect the realization of this goal of the invention.
The fast shelves power transmission line of the present embodiment:
External spiral cam 10 → transmission shaft outputting power of the inside spin cam 4a → transmission shaft 1 of the axial external conical sleeve of the axial external conical sleeve 4 → torus of the axial inner conical drogue 5 → torus of power → torus;
Now overriding clutch surmounts, and resistance transfer route: the axial external conical sleeve → compression speed change butterfly spring of inside spin cam → torus of the axial external conical sleeve of external spiral cam → torus of transmission shaft → transmission shaft; Transmission shaft is applied axial force by the external spiral cam of transmission shaft to the inside spin cam of the axial external conical sleeve of torus and the axial external conical sleeve of torus and compresses speed change butterfly spring, when resistance to motion is increased to a timing, this axial force speed change butterfly spring, the axial inner conical drogue of torus is separated with the axial external conical sleeve of torus, power is transmitted by following route, i.e. slow shelves power transmission line:
External spiral cam 10 → transmission shaft outputting power of the inside spin cam 4a → transmission shaft 1 of the axial external conical sleeve of outer ring 15 → overriding clutch inner ring, 14 → spiral prominence wheel set, I → intermediate cam cover, 20 → cam axial external conical sleeve 4 → torus of pair I → torus of the axial inner conical drogue of power → torus 5 → slow shelves driving gear 9 → the first slow grades of gears 21 → slow shelves tween drive shaft 19 → the second slow grades of gear 16 → overriding clutchs.
Slow shelves power transmission line is simultaneously also through following route: intermediate cam cover 20 → torus axial external conical sleeve 4 → compression speed change butterfly spring, prevent from slow shelves transmission process, occurring compression speed change butterfly spring reciprocating compression, thus the axial inner conical drogue of torus and torus axial external conical sleeve laminating when preventing slow shelves transmission.
Above-mentioned transfer route is had to find out, the present invention operationally, the inner conical surface of the axial inner conical drogue of torus and the male cone (strobilus masculinus) of the axial external conical sleeve of torus fit tightly under the effect of speed change butterfly spring, form the automatic transmission that keeps certain pressure, and the required pressure of power-transfer clutch engagement can be adjusted by the axial width increasing speed change axle sleeve, reach transmission object, now, power drives the axial inner conical drogue of torus, torus axial external conical sleeve, transmission shaft, makes transmission shaft outputting power left-hand revolution; Now slow shelves overriding clutch is in and surmounts state.
During motor vehicle starting, resistance is greater than propulsive effort, and resistance forces transmission shaft 1 to rotate clockwise certain angle, and under the effect of the external spiral cam 10 of transmission shaft 1, the axial external conical sleeve 4 of torus compresses speed change butterfly spring; The axial external conical sleeve 4 of torus is separated with the axial inner conical drogue 5 of torus, synchronously, slow shelves overriding clutch engagement, power drives the axial inner conical drogue 5 of torus, first slow grade of gear 21, slow shelves tween drive shaft 19, second slow grade of gear 16, the outer ring 15 of overriding clutch, inner ring 14, intermediate cam cover 20, the axial external conical sleeve 4 of torus and transmission shaft 1, and transmission shaft 1 outputting power is rotated with slow shelves speed; Therefore, automatically achieve low gear and start, shorten cranking time, decrease starting power.Meanwhile, speed change butterfly spring absorbs movement resistor moment energy, stores standby potential energy for recovering fast shelves gear transferring power.
Start successfully, resistance to motion 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 5 of torus that complete the axial external conical sleeve 4 of torus recovers to fit tightly state, and slow shelves overriding clutch is in and surmounts state.
In driving process, along with the change autoshift principle of resistance of motion is the same, realizing shift when not needing to cut off propulsive effort, make whole locomotive operation steady, safe and low consumption, and transfer route being simplified, improving driving efficiency.
What finally illustrate is, above embodiment is only in order to illustrate technical 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 technical 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 side hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, it is characterized in that: comprise casing and coordinate with body pivot and the transmission shaft outputed power, described casing has hangs for side the installation portion being installed on hub side, also comprises slow shelves transmission device and is arranged on the mechanical intelligent adaptive rate assembly on transmission shaft;
Mechanical intelligent adaptive rate assembly comprises the axial external conical sleeve of torus, the axial inner conical drogue of torus and speed change elastic element;
The axial inner conical drogue inner circle of torus is the axial conical surface, and the axial external conical sleeve cylindrical of torus is the axial conical surface, and the axial inner conical drogue of torus is enclosed within the axial external conical sleeve excircle of torus 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 torus and the inner conical surface of torus axis inner conical drogue to fit the predetermincd tension of transmission; The axial external conical sleeve of described torus is coated at transmission shaft and is coordinated by the auxiliary driving of main gear cam with it;
Described slow shelves transmission device comprises overriding clutch and intermediate reduction gear transmission device, described overriding clutch comprises outer ring, inner ring and rolling body, the engagement space being used for being engaged by rolling body 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 overriding clutch outer ring by intermediate reduction gear mechanism by the axial inner conical drogue of described torus, and slow shelves transmission of power is exported to the axial external conical sleeve of torus by described overriding clutch inner ring.
2. battery-operated motor cycle side according to claim 1 hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, it is characterized in that: also comprise motor and power input mechanism, described power input mechanism comprises power input driving gear, first power input driven gear, power input tween drive shaft and the second power input driven gear, described power input driving gear is driven by rotor axis of electric, described first power input driven gear inputs driving gear with power and engages, first power input driven gear and the transmission of the second power input driven gear are equipped with in power input tween drive shaft, power input tween drive shaft normal-running fit is supported in casing, power is inputed to the axial inner conical drogue of torus by described second power input driven gear.
3. battery-operated motor cycle side according to claim 1 hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assemblies, it is characterized in that: speed change elastic element applies to make the inner conical surface of its male cone (strobilus masculinus) and the axial inner conical drogue of torus to fit the predetermincd tension of transmission to the axial external conical sleeve of torus; During described transmission shaft Power output, main gear cam is secondary applies the axial component contrary with speed change elastic element predetermincd tension to the axial external conical sleeve of torus.
4. battery-operated motor cycle side according to claim 3 hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, it is characterized in that: normal-running fit is coated at transmission shaft and is at least provided with an intermediate cam cover, described intermediate cam is overlapped the axial external conical sleeve of one end and torus and is coordinated by cam secondary I transmission, and the other end to be coordinated with the transmission of overriding clutch inner ring by cam secondary II and slow shelves power is passed to torus axis external conical sleeve by the clutch end of intermediate reduction gear transmission device.
5. battery-operated motor cycle side according to claim 4 hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, it is characterized in that: described overriding clutch also comprises Support roller assembly, described supporting roller assembly at least comprises and is parallel to overriding clutch axis and anvil roll spaced with rolling body, described anvil roll cylindrical contacts with adjacent rolling body cylindrical, and described anvil roll is to arrange in the movable mode of the circumferencial direction of overriding clutch.
6. battery-operated motor cycle side according to claim 5 hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, it is characterized in that: described inner ring axially extends the ring-shaped depression of outer ring and extension inner circle has the inner ring support portion that can coordinate with transmission shaft, and described outer ring inner circle has the support portion, outer ring that can coordinate with transmission shaft; The cylindrical of described inner ring support portion forms external spiral cam I, and intermediate cam is arranged with inside spin cam I, and this inside spin cam I complements each other to form spiral prominence wheel set I with external spiral cam I, and spiral prominence wheel set I is cam pair II.
7. battery-operated motor cycle side according to claim 6 hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, it is characterized in that: described supporting roller assembly also comprises supporting roller support, described anvil 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 overriding clutch circumferencial direction and inner ring cylindrical.
8. battery-operated motor cycle side according to claim 1 hangs bow bevel-type two grades of self-adapting automatic gear shifts and 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 anvil roll two ends, described pushing out ring I and pushing out ring II are respectively equipped with the circular groove along pushing out ring I and pushing out ring II circumferencial direction for penetrating for anvil roll two ends, described anvil roll two ends and corresponding circular groove bearing fit; The ring-shaped depression of described outer ring is axially provided with for the oil-through hole by lubricating 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 axially extending bore.
9. battery-operated motor cycle side according to claim 1 hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, it is characterized in that: the inside spin cam that described main gear cam pair is provided with by the axial external conical sleeve inner circle of described torus and the inside spin cam that transmission shaft is provided with complement each other to form; The shaft part transmission that described transmission shaft extends casing coordinates the Transmission be provided with for coordinating with hub drive.
10. battery-operated motor cycle side according to claim 9 hangs bow bevel-type two grades of self-adapting automatic gear shifts and drives assembly, it is characterized in that: be fixedly connected with the axial inner conical drogue of torus the bracing frame being provided with tubular structure, this bracing frame is supported in gearbox body away from one end normal-running fit of the axial inner conical drogue of torus, the space of described speed change elastic element between bracing frame and transmission shaft and be 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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CN110030332A (en) * 2019-04-16 2019-07-19 西南大学 Double overdrive clutch axle sleeve output adaptive automatic transmission
CN111075893A (en) * 2019-12-04 2020-04-28 西南大学 Compact type super-large load self-adaptive automatic speed changing system

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CN103307140A (en) * 2013-05-31 2013-09-18 西南大学 Floating auxiliary roller type overrun clutch

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Publication number Priority date Publication date Assignee Title
CN110030332A (en) * 2019-04-16 2019-07-19 西南大学 Double overdrive clutch axle sleeve output adaptive automatic transmission
CN111075893A (en) * 2019-12-04 2020-04-28 西南大学 Compact type super-large load self-adaptive automatic speed changing system
WO2021110157A1 (en) * 2019-12-04 2021-06-10 西南大学 Compact and ultra-large load adaptive automatic transmission system

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