CN104455290A - Electric adjusting drive wheel reducing mechanism and method of gasoline car progressive transmission - Google Patents

Electric adjusting drive wheel reducing mechanism and method of gasoline car progressive transmission Download PDF

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Publication number
CN104455290A
CN104455290A CN201410496519.3A CN201410496519A CN104455290A CN 104455290 A CN104455290 A CN 104455290A CN 201410496519 A CN201410496519 A CN 201410496519A CN 104455290 A CN104455290 A CN 104455290A
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CN
China
Prior art keywords
driving wheel
clutch
driving
cone dish
housing
Prior art date
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Pending
Application number
CN201410496519.3A
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Chinese (zh)
Inventor
李新民
刘冰雪
张绍培
宋凡
李炎红
张辉
雷晓倩
余萍
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LUOYANG RUINENG TRANSMISSION TECHNOLOGY Co Ltd
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LUOYANG RUINENG TRANSMISSION TECHNOLOGY Co Ltd
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Application filed by LUOYANG RUINENG TRANSMISSION TECHNOLOGY Co Ltd filed Critical LUOYANG RUINENG TRANSMISSION TECHNOLOGY Co Ltd
Priority to CN201410496519.3A priority Critical patent/CN104455290A/en
Publication of CN104455290A publication Critical patent/CN104455290A/en
Pending legal-status Critical Current

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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
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • 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
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14Inputs being a function of torque or torque demand
    • F16H59/18Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
    • 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
    • F16H2702/00Combinations of two or more transmissions

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmissions By Endless Flexible Members (AREA)

Abstract

The invention relates to the technical field of speed changing devices, and discloses an electric adjusting drive wheel reducing mechanism and method of a gasoline car progressive transmission. The electric adjusting drive wheel reducing mechanism is adopted in the method and comprises an adjusting motor, a speed reduction gear set, a clutch and a drive wheel. The drive wheel comprises a fixed drive wheel taper disc fixed to a drive shaft and a movable drive wheel taper disc arranged on the drive shaft in a sleeving mode. The movable drive wheel taper disc is connected with a spiral thrusting device arranged on the drive shaft in a sleeving mode through an angular contact ball bearing. The spiral thrusting device is connected with an adjusting motor through the speed reduction gear set. The drive shaft of the drive wheel is connected with an engine through the clutch. The drive wheel on the drive shaft is connected with a driven wheel through a conveying belt. The electric control progressive transmission composed of the electric adjusting drive wheel reducing mechanism can achieve low-speed and large-torque output during climbing and high-speed output in the flat ground, and the engine works in a high-efficiency area. The electric adjusting drive wheel reducing mechanism is simple in structure, convenient to operate, low in production cost and easy to apply and popularize.

Description

A kind of electricity of gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism and method
Technical field
The present invention relates to the technical field of gasoline car speed change gear, the electricity particularly relating to a kind of gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism and method.
Background technique
At present, the existing traffic tool generally adopt fuel-engined vehicle, usual two kinds of the speed change due to gasoline car: one cuts off power by clutch, just can carry out gear shift, frequent operation when there is gear shift, another kind is senior automaitc shfit, gear-change operation is convenient, but it is too high to there is price.A kind of gearshift performance of market in urgent need is good for this reason, easy to operate, cheap infinitely variable transmission.
Summary of the invention
For overcoming the deficiencies in the prior art, the electricity that the invention provides a kind of gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism and method.
For achieving the above object, the present invention adopts following technological scheme:
A kind of electricity of gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism, include and regulate motor, train of reduction gears, clutch, driving wheel, described driving wheel includes the driving wheel fixed cone dish be fixed on driving shaft cone dish movable with the driving wheel be nested with on driving shaft, has " V " type belt grooves forming and change the driving wheel upper driving band radius of clean-up between driving wheel fixed cone dish and the movable cone dish of driving wheel; The movable cone dish of driving wheel is connected with the spiral thrust device be nested with on driving shaft by angular contact ball bearing, spiral thrust device is connected with adjustment motor by train of reduction gears, the driving shaft of driving wheel is connected with motor by clutch, and the driving wheel on driving shaft is connected with follower by driving belt.
A kind of electricity of gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism, described clutch is centrifugal clutch, include clutch housing and spline housing, described clutch housing is fixedly connected with is formed by the inner ring of the shell with spline with band internal spline, clutch housing has the inner chamber holding spline housing bearing housing, and holds the exocoel of thrust collar dish;
The exocoel of clutch housing and thrust collar dish form in the tapered thrust cavity in cross section and are evenly equipped with some centrifugal steel balls; The inner ring of the band internal spline of clutch housing and the line shaft spline joint of connecting engine axle, the unidirectional sliding connection of unilateral bearing inner ring in line shaft external part and spline housing bearing housing; The outer chamber wall of clutch housing and stretch into this cavity spline housing outer wall between form clutch cavity, spring return function cavity respectively;
The spline of the clutch housing body wall in clutch cavity is evenly equipped with some clutch steel discs; Some clutch friction plates uniform on the spline of spline housing outer wall and some clutch steel disc intercross arrangement, the annular boss of thrust collar dish another side in clutch cavity contacts with the first clutch steel disc of intercross arrangement, the end clutch steel disc of intercross arrangement is provided with clutch snap ring, and clutch snap ring clip is in the outer chamber wall of clutch housing;
Be provided with return spring in the spring return function cavity of clutch housing, return spring one end is fixed on the return spring the other end in the spring groove on thrust disc and is fixed on by annular spring base in the draw-in groove of ring outer wall in clutch housing;
Wherein, the spline joint on clutch steel disc and clutch housing inwall, the spline joint on clutch friction plate and spline housing;
Wherein, the thrust disc of displacement to be vertically arranged in clutch housing band internal spline on ring outer wall by flat key.
A kind of electricity of gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism, described spiral thrust device has the speed regulation gear of movable part and the spiral thrust seat of fixed component, the internal thread that in timing gear wheel bore, one end is arranged and the outside thread screwed connection of spiral thrust seat, spiral thrust seat is nested with on driving shaft by bearing, and the outer ring of spiral thrust seat is arranged in the axis hole of casing; Spiral thrust seat and driving shaft axially locating, spiral thrust seat is provided with the locating slot that restriction spiral thrust seat rotates, locating slot is corresponding with the locating stud of casing axis hole; In timing gear wheel bore, the other end is provided with angular contact ball bearing seat, the angular contact ball bearing of angular contact ball bearing seat internal fixtion be nested with the movable cone dish of driving wheel that flat key on driving shaft is connected and be fixedly connected with; Or replace with ball screw thrust device; Ball screw thrust device is connected and composed by ball engagement by the internal thread of speed regulation gear and the outside thread of spiral thrust seat.
The electricity of gasoline car infinitely variable transmission regulates a driving wheel reducing method, and by electric speed regulation drive unit, spiral thrust device, change motor drives frictional rotation on the driving wheel driving belt radius of clean-up by clutch, driving shaft, its step is as follows:
1), the electronic radius of clean-up tuning up driving wheel upper driving band,
The adjustment motor of electric speed regulation drive unit rotates forward, and regulates the shaftgear of motor by train of reduction gears, spiral thrust device, the radius of clean-up of rubber transmission belting on driving wheel to be increased; Namely the speed regulation gear internal thread of spiral thrust device rotates along the outside thread of spiral thrust seat, the driving wheel activity cone rim driving wheel fixed cone dish that speed regulation gear is connected by angular contact ball bearing to, do axially slowly mobile, reduce cross section between the movable cone dish of driving wheel and driving wheel fixed cone dish and form the spacing of " V " type groove, rubber transmission belting is clamped; Along with the rotation of driving wheel and rubber transmission belting, gradually increase the movable cone dish of driving wheel and driving wheel fixed cone dish 3) between the radius of clean-up of rubber transmission belting;
2), the electronic radius of clean-up turning driving wheel upper driving band down,
The adjustment motor of electric speed regulation drive unit rotates backward, the shaftgear of motor is regulated to drive the rubber transmission belting radius of clean-up on spiral thrust device reduction driving wheel by train of reduction gears, namely the speed regulation gear internal thread of spiral thrust device rotates along the outside thread of spiral thrust seat, speed regulation gear is made to drive active movement cone rim axle slowly to leave initiatively fixed cone dish, increase cross section between the movable cone dish of driving wheel and driving wheel fixed cone dish and form the spacing of " V " type groove, along with the rotation of driving wheel and driving belt, driving belt is moved to drive sprocket axle core, reduce the radius of clean-up of driving wheel upper driving band.
Owing to adopting technological scheme as above, the present invention has following superiority:
The electricity of gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism and a method, the electric controlling stepless variable speed case of composition, can meet the requirement of running at high speed with low speed grade climbing performance with motor simultaneously; When vehicle is climbed, the engine throttle that foot treadle controls adjusts the speed ratio of driving shaft and driven shaft automatically by gearbox control, realizes exporting low-speed big, makes power plant be operated in high efficient area; The speed ratio of driving shaft and driven shaft can also be adjusted simultaneously by the hand push button of gearbox control, realize exporting low-speed big, make power plant be operated in high efficient area.When travelling on vehicle level land, the engine throttle controlled by gearbox control, foot treadle adjusts the speed ratio of driving shaft and driven shaft automatically, realizes speedy carding process, makes high vehicle speeds, make engine operation in high efficient area.Its structure is simple, and easy to operate, cost of production is low, is easy to popularize.
Accompanying drawing explanation
Fig. 1 is the structural representation of gasoline car electric controlling stepless variable speed case of the present invention;
Fig. 2 is the housing structure schematic diagram of gasoline car electric controlling stepless variable speed case;
Fig. 3 is the spiral thrust mechanism structure schematic diagram of gasoline car electric controlling stepless variable speed case;
Fig. 4 is the ball screw arrangement schematic diagram of electric controlling stepless variable speed case;
Fig. 5 is the driven movable cone dish structural representation of band spiral fluted;
Fig. 6 is the structural representation of the clutch of electric controlling stepless variable speed case.
Fig. 7 is that gearbox is along the cooperating structure schematic diagram of shelves, final gear and differential mechanism;
Fig. 8 is the structural representation of follower transfer mechanism;
Fig. 9 is down the structural representation along gear mechanism;
Figure 10 is the structural representation of spiral thrust device;
Figure 11 is the circuit block diagram of gearbox control;
In figure: 1--casing, 2--clutch, 3--driving wheel fixed cone dish, 4--train of reduction gears, 5--regulates motor, the movable cone dish of 6--driving wheel, 7--spiral thrust seat, 8--follower fixed cone dish, 9--rubber transmission belting, the movable cone dish of 10--follower, 11--final gear, 12--differential mechanism, 13--reverse gear third wheel, 14--shifting-fork gear-shifting bar, 15--driving shaft speed probe, 16--output speed sensor, 17--speed regulation gear, 18--angular contact ball bearing, 19--drive pin, 20--moves ahead gear, 21--gear shift spline housing, 22--backward gear, 23--fixes spline housing, 24--protecgulum, 25--main casing, 26--bonnet, 27--driving shaft, 28--driven shaft, 29--ball, 30--motor junction plane, 31--gear arm, 32--thrust spring.
Embodiment
Below in conjunction with accompanying drawing, also by best embodiment, the present invention is described in detail.
As shown in Figure 1 to 11, a kind of electricity of gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism, include and regulate motor, train of reduction gears, clutch, driving wheel, described driving wheel includes the driving wheel fixed cone dish 3 be fixed on driving shaft cone dish 6 movable with the driving wheel be nested with on driving shaft, has " V " type belt grooves forming and change the driving wheel upper driving band radius of clean-up between driving wheel fixed cone dish 3 and the movable cone dish 6 of driving wheel; The movable cone dish 6 of driving wheel is connected with the spiral thrust device be nested with on driving shaft by angular contact ball bearing, spiral thrust device is connected with adjustment motor by train of reduction gears, the driving shaft of driving wheel is connected with motor by clutch, and the driving wheel on driving shaft is connected with follower by driving belt.
The electric controlling stepless variable speed case of composition, comprises in casing 1, casing 1 and is provided with electric speed regulation drive unit, clutch 2, driving wheel transfer mechanism, follower transfer mechanism, suitable gear mechanism, final gear 11 and differential mechanism 12;
Described driving wheel transfer mechanism has driving shaft for connecting clutch 2 with being nested with and is bonded to the driving wheel of follower transfer mechanism transfer of torque on driving shaft, driving wheel is bonded by the movable cone dish 6 of the driving wheel fixed cone dish 3 be fixed on driving shaft and the driving wheel be nested with on driving shaft, and the movable cone dish 6 of driving wheel is connected with the spiral thrust device be nested with on driving shaft by angular contact ball bearing; And form " V " type belt grooves having and change the driving wheel upper driving band radius of clean-up between driving wheel fixed cone dish 3 and the movable cone dish 6 of driving wheel;
Described follower transfer mechanism comprises: the driven shaft of transfer of torque, the follower to driven shaft transfer of torque, follower has and to be nested with on driven shaft and fixing follower fixed cone dish 8 and the movable cone dish 10 of follower be nested with on driven shaft combine composition, the thrust spring that follower movable cone dish 10 axle sleeve is nested with contacts with the spring seat on driven shaft, or thrust spring is contacted with the spring seat on driven shaft by thrust-bearing; The driver slot that described follower movable cone dish 10 axle sleeve is arranged is nested with on the drive pin 19 of driven shaft, coordinates with the drive pin 19 on driven shaft; And form " V " type belt grooves had for changing the follower upper driving band radius of clean-up between follower fixed cone dish 8 and the movable cone dish 10 of follower;
The driving shaft of described driving wheel transfer mechanism is connected with motor by clutch 2, and the driving wheel be nested with on driving shaft is connected by the follower of driving belt with follower transfer mechanism; The spiral thrust device connecting the movable cone dish 6 of driving wheel is connected with electric speed regulation drive unit;
Falling that the driven shaft of described follower transfer mechanism is arranged has the gear that moves ahead engaged with final gear 11 along gear mechanism, and by backward gear that reverse gear engages with final gear 11; And final gear 11 is connected with differential mechanism 12 gears meshing;
Wherein, described electric speed regulation drive unit has adjustment motor 5, train of reduction gears 4, the gearbox control of speed change, is connected by train of reduction gears with the described adjustment motor 5 that gearbox control is electrically connected with described spiral thrust device; Train of reduction gears is made up of the input reduction gear 4.1 coaxially connected and output reduction gear 4.2.
Wherein, housing is provided with the driving shaft speed probe 15 of a monitoring driving shaft rotating speed; Housing is provided with the output speed sensor 16 of a monitoring output speed.
The clutch of this electric controlling stepless variable speed case is centrifugal clutch 2, comprising: clutch housing 2.2, spline housing 2.9, and the shell that described clutch housing 2.2 has band spline is fixedly connected with formation with the inner ring of band internal spline; Clutch housing 2.2 has the bearing housing inner chamber holding spline housing 2.9, and holds the exocoel of thrust collar dish 2.4, return spring 2.5, clutch steel disc 2.6, clutch friction plate 2.7;
The cross section that the exocoel of clutch housing 2.2 and thrust collar dish 2.4 connect and compose forms the thrust cavity of taper, some steel balls 2.3 are evenly equipped with in thrust cavity, the inner ring of the band internal spline of clutch housing 2.2 is fixedly connected with line shaft 2.1 spline of connecting engine axle, the unidirectional sliding connection of unilateral bearing 2.10 inner ring in line shaft 2.1 external part and spline housing 2.9 bearing housing, during reversion fixing together;
The outer chamber wall of clutch housing 2.2 and stretch into this cavity spline housing 2.9 outer wall between form clutch cavity, spring return function cavity respectively;
The spline of clutch housing 2.2 wall in clutch cavity is evenly equipped with some clutch steel discs 2.6; Some clutch friction plates 2.7 uniform on the spline of spline housing 2.9 outer wall and some clutch steel disc 2.6 intercross arrangement, the annular boss of thrust collar dish 2.4 another side in clutch cavity contacts with the first clutch steel disc 2.6 of intercross arrangement, the end clutch steel disc 2.6 of intercross arrangement is provided with clutch snap ring 2.8, and clutch snap ring 2.8 clip is in the outer chamber wall of clutch housing 2.2;
Be provided with return spring 2.5 in spring return function cavity, return spring one end is fixed on the return spring the other end in the spring groove on thrust disc 2.4 and is fixed on by annular spring base in the draw-in groove of ring outer wall in clutch housing 2.2;
Wherein, clutch steel disc 2.6 and the spline joint on clutch housing 2.2 inwall, clutch friction plate 2.7 and the spline joint on spline housing 2.9;
Wherein, the thrust disc 2.4 of displacement is vertically arranged on clutch housing 2.2 with on ring outer wall in internal spline by flat key.
Described clutch has the structure of one-way rotation, by unilateral bearing 2.10 control motor and driving shaft can only one-way clutch, when driving shaft rotates backward, driving shaft drives the counter-rotational feature of motor by unilateral bearing 2.10, as shown in Figure 6.This gearbox can also adopt the existing clutch work with one-way rotation.
This spiral thrust device described in electric controlling stepless variable speed case has the speed regulation gear 17 of movable part and the spiral thrust seat 7 of fixed component, the internal thread that in speed regulation gear 17 hole, one end is arranged and the outside thread screwed connection of spiral thrust seat 7, spiral thrust seat 7 is nested with on driving shaft by bearing, and the outer ring of spiral thrust seat 7 is arranged in the axis hole of casing; Spiral thrust seat 7 and driving shaft 27 axially locating, spiral thrust seat 7 is provided with the locating slot that restriction spiral thrust seat 7 rotates, locating slot is corresponding with the locating stud of casing axis hole; In speed regulation gear 17 hole, the other end is provided with angular contact ball bearing seat, the angular contact ball bearing 17.3 of angular contact ball bearing seat internal fixtion be nested with the movable cone dish 6 of driving wheel that flat key on driving shaft is connected and be fixedly connected with; Or replace with ball screw thrust device; Ball screw thrust device to be connected by ball 29 by the internal thread of speed regulation gear 17 and the outside thread of spiral thrust seat 7 and to form.
Wherein, speed regulation gear 17 is made up of gear disk 17.2 and gear bush 17.1, gear disk 17.2 is provided with projection 17.4, as shown in Figure 10.
Driven movable cone dish 10 described in this electric controlling stepless variable speed case has the cone dish be nested with on driven shaft and the axle sleeve be nested with on driven shaft and connects and composes, axle sleeve is provided with the spiral chute of two symmetrical transmission torsion, two spiral chutes are nested with drive pin 19 two ends fixing on driven shaft, and spiral fluted hypotenuse contacts with the drive pin be fixed on driven shaft is corresponding.
This driven shaft one end described in electric controlling stepless variable speed case is provided with the reduced diameter section in order to fixing follower fixed cone dish 8, the middle part of driven shaft is provided with the enlarged diameter section in order to the cone of follower activity in axial sliding dish 10, the driven shaft of enlarged diameter section is provided with the drive pin 19 corresponding with driver slot on follower movable cone dish 10 axle sleeve; The reduced diameter section of the driven shaft the other end is sequentially provided with the gear installation position of spring seat 34 installation position, driven shaft bearing 35 installation position, suitable gear mechanism, and wherein the gear segment axle of suitable gear mechanism is splined shaft position.
This electric controlling stepless variable speed case, described having on the splined shaft concentric with driven shaft along gear mechanism is equipped with the gear 20 that moves ahead, fixing spline housing 23, backward gear 22, and described fixing spline housing 23 and splined shaft spline joint, as position A; Described fixing spline housing 23 is provided with the gear shift spline housing 21 of slip, described gear shift spline housing 21 endoporus is provided with the spline be connected with the gear 20 that moves ahead, backward gear 22, and gear shift spline housing 21 is outside equipped with the fork slot be connected with gear-change operation bar 14 upper shift fork; The described gear 20 that moves ahead is connected with a joggle by final gear 11 and differential mechanism 12, and described backward gear 22 is connected with a joggle with differential mechanism 12 by reverse gear third wheel 13, final gear 11, and gear-change operation bar 14 stretches out outside housing and is connected with gear arm 31.Wherein, the gear 20 that moves ahead is provided with the wheel tooth 20a that moves ahead, backward gear 22 is provided with backward wheel tooth 22a, fixing spline housing 23 is provided with fixing spline housing tooth 23a and gear shift spline housing 21 spline joint, as position B.
This casing 1 described in electric controlling stepless variable speed case, comprising: the housing 25 of stepless speed variator be combined with bonnet 26 form rear chamber, stepless speed variator housing 25 be combined the front cavity formed with protecgulum 24; Described rear chamber, comprise: in order to hold electric speed regulation drive unit electric speed regulation drive unit cavity, in order to hold driving wheel transfer mechanism driving wheel transfer mechanism cavity, in order to hold the follower transfer mechanism cavity of follower transfer mechanism, the side of described driving wheel transfer mechanism cavity is set to automatically controlled speed governing cavity, and opposite side is set to follower transfer mechanism cavity;
The housing corresponding with described driving wheel transfer mechanism cavity has makes the driving shaft of driving wheel transfer mechanism pass and bearings mounted circular mounting hole; To be coaxially arranged with in cavity before corresponding with the circular mounting hole of housing drive shaft bearing to hold on driving shaft 27 and driving shaft be nested with the clutch cavity of clutch; The axial corresponding end holding clutch 2 axle with clutch cavity is provided with coaxial engine flywheel cavity; The dead in line of the axis of the circular mounting hole of described bearing, the axis of clutch cavity and engine flywheel cavity;
The housing corresponding with described follower transfer mechanism cavity has makes the driven shaft 28 of follower transfer mechanism pass and bearings mounted circular mounting hole; The suitable gearshift cavity that falls in order to hold to fall along gearshift is coaxially arranged with in cavity before corresponding with the circular mounting hole of housing driven shaft bearing;
Described suitable gearshift cavity side accommodates shifting-fork gear-shifting bar 14 cavity with the shifting-fork gear-shifting bar be connected along shifting sleeve on gearshift driven shaft; Opposite side accommodates the reverse gear cavity with the reverse gear be connected along backward gear on gearshift driven shaft, be provided with below reverse gear cavity in order to hold and to fall along the gear that moves ahead on gearshift driven shaft, and the final gear cavity of final gear 11 that reverse gear is connected;
The side-lower of described final gear cavity is provided with the differential mechanism cavity in order to hold the differential mechanism 12 be connected with a joggle with final gear.
The driving shaft speed probe 15 of microcontroller acquires interface with monitoring driving shaft rotating speed that this gearbox control described in electric controlling stepless variable speed case has processing signals, the output speed sensor 16 of monitoring output speed are electrically connected; The pulse-width modulation PWM end interface of microprocessor is electrically connected with the adjustment motor 5 for speed change through motor-drive circuit; Microprocessor analog-to-digital conversion interface is connected with the speed governing sensor electrical of monitoring engine throttle, is connected with the skidding sensor electrical of monitoring braking state.
The stepless change method of electric controlling stepless variable speed case, the spiral thrust device controlled by electric speed regulation drive unit, change the driving belt radius of clean-up on driving wheel transfer mechanism driving wheel and the driving belt radius of clean-up on follower transfer mechanism follower, regulate the speed ratio of driving shaft and driven shaft to change, its step is as follows:
1), forward travel time, electric speed regulation drive unit is energized, and the adjustment motor that gearbox control controls is in and treats working state, and the speed ratio of driving shaft and driven shaft, remains unchanged;
Ato unit, motor drives the driving wheel of driving wheel transfer mechanism to rotate by clutch 2, driving wheel drives the follower of follower transfer mechanism to rotate by rubber transmission belting 9, and driven movable cone dish 10 torque force on follower promotes drive pin 19 by the spiral chute on driven movable cone dish 10 axle sleeve and is delivered on driven shaft; Falling along gear mechanism by final gear 11, differential mechanism 12 externally output torque on driven shaft;
Simultaneously, the microprocessor of gearbox control is by monitoring the electrical signal of the electrical signal of the driving wheel speed probe 15 of driving shaft rotating speed, the secondary speed sensor 16 of monitoring output speed, and the electrical signal of the throttle line sensor of Monitoring and Controlling engine speed, process through microprocessor, the sense of rotation of regulating and controlling motor 5 and rotating speed, reach the speed ratio automatically regulating driving shaft and driven shaft;
A) when starting to walk or go up a slope, the microprocessor of gearbox control carries out computing to each electrical signal that monitoring receives, compared with the starting speed ratio of the driving shaft calculated and the speed ratio of driven shaft and the driving shaft of storage and driven shaft or upward slope speed ratio, speed ratio is identical, microprocessor judges is starting or upward slope state, increase speed ratio, regulating and controlling motor 5 rotates backward, spiral thrust device is driven to reduce work half radius of rubber transmission belting 9 on driving wheel by train of reduction gears 4, increase the radius of clean-up of rubber transmission belting 9 on follower, increase driving shaft and driven shaft speed ratio, assisted deceleration, increase moment of torsion, or manually the button controlled on gearbox control directly increases speed ratio, assisted deceleration, increases moment of torsion,
Wherein, speed regulation gear 17 internal thread of spiral thrust device rotates along the outside thread of spiral thrust seat 7, speed regulation gear 17 is made to drive active movement cone dish 6 slowly to leave initiatively fixed cone dish 3 along axle, increase cross section between the movable cone dish 6 of driving wheel and driving wheel fixed cone dish 3 and form the spacing of " V " type groove, driving belt 9 is moved to drive sprocket axle core, reduces the radius of clean-up of driving wheel upper driving band (9);
Simultaneously, along with the dragging of driving belt 9 at follower is loosened, on driven shaft, the movable cone dish 10 of follower is by the effect of thrust spring 32 axial force, rubber transmission belting 9 is moved to follower edge, reduce cross section between follower fixed cone dish 8 and follower movable cone dish 10 and form the spacing of " V " type groove, thus realize the movable cone dish 10 of follower and close up with follower fixed cone dish 8, increase the radius of clean-up of rubber transmission belting 9 on follower, drive pin 19 is promoted by the symmetric helix groove that follower movable cone dish 10 axle sleeve is arranged, directly torque force is delivered on driven shaft, thus reach vehicle deceleration,
B) when level road, the microprocessor of gearbox control carries out computing to each electrical signal that monitoring receives, the driving shaft calculated and the speed ratio of driven shaft are with the driving shaft of storage compared with the level road speed ratio of driven shaft, and speed ratio is identical, and microprocessor judges is level road state;
When motor 1 speedup, send instruction, reduce the speed ratio of driving shaft and driven shaft, regulating and controlling motor 5 rotates forward, and regulates motor 5 by train of reduction gears 4, spiral thrust device, the radius of clean-up of rubber transmission belting 9 on driving wheel to be increased; On follower, the radius of clean-up of rubber transmission belting 9 reduces, and reaches the speed ratio reducing driving shaft and driven shaft, and assisting vehicle accelerates;
Wherein, speed regulation gear 17 internal thread of spiral thrust device rotates along the outside thread of spiral thrust seat 7, the movable cone dish 6 of driving wheel that speed regulation gear 17 is connected by angular contact ball bearing 17.3 is axially slowly mobile to work along driving wheel fixed cone dish 3, reduce cross section between the movable cone dish 6 of driving wheel and driving wheel fixed cone dish 3 and form the spacing of " V " type groove, along with rubber transmission belting 9 drags the rotation of follower, gradually increase the radius of clean-up of rubber transmission belting 9 between the movable cone dish 6 of driving wheel and driving wheel fixed cone dish 3;
Simultaneously, the rubber transmission belting 9 of tension, impel the movable cone dish 10 of the follower on driven shaft overcome spring force and follower fixed cone dish 8 from, thus realize driven movable cone dish 10 and open with driven fixed cone dish 8, increase cross section between follower fixed cone dish 8 and follower movable cone dish 10 and form the spacing of " V " type groove, reduce the radius of clean-up of rubber transmission belting 9 on follower, thus realize vehicle speedup;
When the electrical signal that microprocessor monitors receives engine throttle line sensor reduces, microprocessor judges motor slows down, the adjustment motor 5 of Microprocessor S3C44B0X, and the speed ratio of driving shaft and driven shaft is remained unchanged;
When microprocessor monitors receives the electrical signal of brake, microprocessor sends instruction, make adjustment motor 5 reduce the radius of clean-up of rubber transmission belting 9 on driving wheel by spiral thrust device, increase the radius of clean-up of rubber transmission belting 9 on follower, deceleration auxiliary brake;
C) during descending, the microprocessor of gearbox control carries out computing to each electrical signal that monitoring receives, the driving shaft calculated and the speed ratio of driven shaft with the driving shaft of storage compared with the descending speed ratio of driven shaft, speed ratio is identical, Microprocessor S3C44B0X regulates motor 5 static, and the speed ratio of driving shaft and driven shaft remains unchanged;
When microprocessor monitors receives the electrical signal of brake, microprocessor sends instruction, by the radius of clean-up regulating motor 5, spiral thrust device to reduce rubber transmission belting 9 on driving wheel, increase the radius of clean-up of rubber transmission belting 9 on follower, deceleration auxiliary brake;
2), when traveling need be swung to, by the gear-change operation bar 14 along gear mechanism, gear shift spline housing 21 is departed from the gear 20 that moves ahead, make gear shift spline housing 21 and backward gear 22 spline joint, backward gear 22, by reverse gear third wheel 13, makes final gear 11, differential mechanism 12 externally reverse output torque; Fuel-engined vehicle backward backward travels;
Simultaneously, gearbox control sends instruction, motor 5 is regulated to rotate backward, train of reduction gears 4 is made to drive speed regulation gear 17 to drive active movement cone dish 6 gradually to leave initiatively fixed cone dish 3 vertically, reduce the radius of clean-up of rubber transmission belting 9 on driving wheel, increase the radius of clean-up of rubber transmission belting 9 on follower, realize the backward of lower-speed state.
Above embodiment is the one of the present invention's more preferably embodiment, and the usual change that those skilled in the art carry out within the scope of the technical program and replacing should be included in protection scope of the present invention.

Claims (4)

1. the electricity of a gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism, it is characterized in that: include and regulate motor, train of reduction gears, clutch, driving wheel, described driving wheel includes the driving wheel fixed cone dish (3) be fixed on driving shaft cone dish (6) movable with the driving wheel be nested with on driving shaft, has " V " type belt grooves forming and change the driving wheel upper driving band radius of clean-up between driving wheel fixed cone dish (3) and movable cone dish (6) of driving wheel; Movable cone dish (6) of driving wheel is connected with the spiral thrust device be nested with on driving shaft by angular contact ball bearing, spiral thrust device is connected with adjustment motor by train of reduction gears, the driving shaft of driving wheel is connected with motor by clutch, and the driving wheel on driving shaft is connected with follower by driving belt.
2. the electricity of a kind of gasoline car infinitely variable transmission according to claim 1 regulates driving wheel diameter changing mechanism, it is characterized in that: described clutch is centrifugal clutch (2), include clutch housing (2.2) and spline housing (2.9), described clutch housing (2.2) is fixedly connected with by the inner ring being with the shell of spline with band internal spline and forms, clutch housing (2.2) has the inner chamber of accommodation spline housing (2.9) bearing housing, and holds the exocoel of thrust collar dish (2.4);
The exocoel of clutch housing (2.2) and thrust collar dish (2.4) form in the tapered thrust cavity in cross section and are evenly equipped with some centrifugal steel balls (2.3);
The inner ring of the band internal spline of clutch housing (2.2) and line shaft (2.1) spline joint of connecting engine axle, the unidirectional sliding connection of unilateral bearing (2.10) inner ring in line shaft (2.1) external part and spline housing (2.9) bearing housing;
The outer chamber wall of clutch housing (2.2) and stretch into this cavity spline housing (2.9) outer wall between form clutch cavity, spring return function cavity respectively;
The spline of clutch housing (2.2) wall in clutch cavity is evenly equipped with some clutch steel discs (2.6); Some clutch friction plates (2.7) uniform on the spline of spline housing (2.9) outer wall and some clutch steel discs (2.6) intercross arrangement, the annular boss of thrust collar dish (2.4) another side in clutch cavity contacts with the first clutch steel disc (2.6) of intercross arrangement, the end clutch steel disc (2.6) of intercross arrangement is provided with clutch snap ring (2.8), and clutch snap ring (2.8) clip is in the outer chamber wall of clutch housing (2.2);
Be provided with return spring (2.5) in the spring return function cavity of clutch housing (2.2), return spring one end is fixed on the return spring the other end in the spring groove on thrust disc (2.4) and is fixed on by annular spring base in the draw-in groove of the interior ring outer wall of clutch housing (2.2);
Wherein, clutch steel disc (2.6) and the spline joint on clutch housing (2.2) inwall, clutch friction plate (2.7) and the spline joint on spline housing (2.9);
Wherein, the thrust disc (2.4) of displacement is vertically arranged on the interior ring outer wall of clutch housing (2.2) band internal spline by flat key.
3. the electricity of a kind of gasoline car infinitely variable transmission according to claim 1 regulates driving wheel diameter changing mechanism, it is characterized in that: described spiral thrust device has the speed regulation gear (17) of movable part and the spiral thrust seat (7) of fixed component, the internal thread that in speed regulation gear (17) hole, one end is arranged and the outside thread screwed connection of spiral thrust seat (7), spiral thrust seat (7) is nested with on driving shaft by bearing, and the outer ring of spiral thrust seat (7) is arranged in the axis hole of casing; Spiral thrust seat (7) and driving shaft axially locating, spiral thrust seat (7) is provided with the locating slot that restriction spiral thrust seat (7) is rotated, locating slot is corresponding with the locating stud of casing axis hole; In speed regulation gear (17) hole, the other end is provided with angular contact ball bearing seat, the angular contact ball bearing of angular contact ball bearing seat internal fixtion be nested with movable cone dish (6) of driving wheel that flat key on driving shaft is connected and be fixedly connected with; Or replace with ball screw thrust device; Ball screw thrust device is connected and composed by ball engagement by the internal thread of speed regulation gear (17) and the outside thread of spiral thrust seat (7).
4. a kind of electricity of gasoline car infinitely variable transmission regulates driving wheel reducing method as claimed in claim 1,
It is characterized in that: by electric speed regulation drive unit, spiral thrust device, change motor drives frictional rotation on the driving wheel driving belt radius of clean-up by clutch, driving shaft, its step is as follows:
1), the electronic radius of clean-up tuning up driving wheel upper driving band,
The adjustment motor (5) of electric speed regulation drive unit rotates forward, and regulates the shaftgear of motor (5) by train of reduction gears (4), spiral thrust device, the radius of clean-up of rubber transmission belting on driving wheel (9) to be increased; Namely speed regulation gear (17) internal thread of spiral thrust device rotates along the outside thread of spiral thrust seat (7), movable cone dish (6) of the driving wheel that speed regulation gear (17) is connected by angular contact ball bearing (17.3) along driving wheel fixed cone dish (3) to, do axially slowly mobile, reduce cross section between movable cone dish (6) of driving wheel and driving wheel fixed cone dish (3) and form the spacing of " V " type groove, rubber transmission belting is clamped; Along with the rotation of driving wheel and rubber transmission belting (9), gradually increase the radius of clean-up of rubber transmission belting (9) between movable cone dish (6) of driving wheel and driving wheel fixed cone dish (3);
2), the electronic radius of clean-up turning driving wheel upper driving band down,
The adjustment motor (5) of electric speed regulation drive unit rotates backward, the shaftgear of motor (2) is regulated to drive rubber transmission belting (9) radius of clean-up on spiral thrust device reduction driving wheel by train of reduction gears (4), namely speed regulation gear (17) internal thread of spiral thrust device rotates along the outside thread of spiral thrust seat (7), speed regulation gear (17) is made to drive active movement cone dish (6) slowly to leave initiatively fixed cone dish 3 along axle, increase cross section between movable cone dish (6) of driving wheel and driving wheel fixed cone dish (3) and form the spacing of " V " type groove, along with the rotation of driving wheel and driving belt (9), driving belt (9) is moved to drive sprocket axle core, reduce the radius of clean-up of driving wheel upper driving band (9).
CN201410496519.3A 2014-09-25 2014-09-25 Electric adjusting drive wheel reducing mechanism and method of gasoline car progressive transmission Pending CN104455290A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108274229A (en) * 2018-04-20 2018-07-13 陈云 It is a kind of to tighten robot manipulator collet from the nonstandard precision screw of reply
CN108453497A (en) * 2018-04-20 2018-08-28 陈云 It is a kind of to tighten robot from the nonstandard precision screw of reply
CN110376942A (en) * 2019-07-05 2019-10-25 中国人民解放军总医院 It is a kind of be easily installed pre- keep within bounds remote medical consultation with specialists dispatching device

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CN2683922Y (en) * 2004-03-24 2005-03-09 重庆通盛机械工业有限公司 Single stage automatic clutch
CN101382186A (en) * 2007-09-07 2009-03-11 程乃士 Metal belt type stepless variable drive without hydraulic pump for vehicle
CN101975269A (en) * 2010-11-10 2011-02-16 江苏技术师范学院 Speed ratio control device for belt type continuously variable transmission
CN204127241U (en) * 2014-09-25 2015-01-28 洛阳睿能传动科技有限公司 The electricity of gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2683922Y (en) * 2004-03-24 2005-03-09 重庆通盛机械工业有限公司 Single stage automatic clutch
CN101382186A (en) * 2007-09-07 2009-03-11 程乃士 Metal belt type stepless variable drive without hydraulic pump for vehicle
CN101975269A (en) * 2010-11-10 2011-02-16 江苏技术师范学院 Speed ratio control device for belt type continuously variable transmission
CN204127241U (en) * 2014-09-25 2015-01-28 洛阳睿能传动科技有限公司 The electricity of gasoline car infinitely variable transmission regulates driving wheel diameter changing mechanism

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108274229A (en) * 2018-04-20 2018-07-13 陈云 It is a kind of to tighten robot manipulator collet from the nonstandard precision screw of reply
CN108453497A (en) * 2018-04-20 2018-08-28 陈云 It is a kind of to tighten robot from the nonstandard precision screw of reply
CN108274229B (en) * 2018-04-20 2019-11-19 郭文炳 It is a kind of to tighten robot manipulator collet from the nonstandard precision screw of reply
CN108453497B (en) * 2018-04-20 2020-04-03 兰泽(荆门)智能科技有限公司 Self-return nonstandard precision screw tightening robot
CN110376942A (en) * 2019-07-05 2019-10-25 中国人民解放军总医院 It is a kind of be easily installed pre- keep within bounds remote medical consultation with specialists dispatching device
CN110376942B (en) * 2019-07-05 2024-03-08 中国人民解放军总医院 Appointment system remote consultation scheduling device convenient to install

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