CN101377228B - Middle arranging type planetary gear two-shift automatic speed variator - Google Patents
Middle arranging type planetary gear two-shift automatic speed variator Download PDFInfo
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- CN101377228B CN101377228B CN2007100926522A CN200710092652A CN101377228B CN 101377228 B CN101377228 B CN 101377228B CN 2007100926522 A CN2007100926522 A CN 2007100926522A CN 200710092652 A CN200710092652 A CN 200710092652A CN 101377228 B CN101377228 B CN 101377228B
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Abstract
The present invention discloses a two-gear automatic transmission of an intermediate type planetary gear, and comprises a power device, a fixed shaft which is fixed with the stator of the power device, a transmission sleeve which is sheathed on the fixed shaft and matches the transmission of the fixed shaft, and a power output wheel which is fixedly connected with the transmission sleeve. The two-gear automatic transmission also comprises a planetary gear speed change mechanism and a self-adaptive automatic gear shifting transmission assembly; wherein, the self-adaptive automatic gear shifting transmission assembly comprises a cam push rod type overrunning clutch, a low gear overrunning clutch and a variable speed spring self-adaptive annular axial cam mechanism. The present invention realizes the non-gear rigid transmission, self-adaptively and automatically shifts the gears for the speed change along with the changes of the running resistance when the driving force is not cut off, and satisfies the requirements for utilization under the condition with the mountainous area, the hill and the heavy load. The speed change is stable and slow. Simultaneously, the present invention has the advantages of small volume, compact structure and intermediate installation method; the center of gravity does not lean back, which facilitates the safe running.
Description
Technical field
The present invention relates to the speed changer of a kind of Motor Vehicle or mechanical and power equipment, particularly a kind of middle planetary gear two-shift automatic speed variator.
Background technique
In the prior art, electric vehicle, motorcycle, electric bicycle all are directly to control electric current or closure control rate by speed-regulating handle or accelerator pedal basically, or adopt manual mechanical automatic transmission mode to realize speed change.The operation of driver is depended in the operation of handle or accelerator pedal fully, usually can cause operation and garage's situation not to match, and causes engine misses or motor fluctuation of service, the stall phenomenon occurs.
Motor Vehicle need realize the intellectuality of electric current or closure control, and load, moment of torsion or rotating speed be important parameters.Generally adopt multiple sensors to obtain relevant parameter respectively to the measurement of this index, judge again.As adopt throttle position sensor and velocity transducer to judge load, or adopt intake manifold pressure sensor and speed probe to judge load.These two kinds load detection systems all are not record indirectly under the situation of bearing load do not participated in transmission, vehicle directly and do not have by sensor, and are acquired informations on motor.This measurement is to the coherence request strictness of motor, and often producer can't guarantee.The patent No. is that the utility model patent that ZL200520009329.0, name are called " motorcycle Hall differential type auto-adaptive driving and sensing device " discloses a kind of auto-adaptive driving and sensing device, this device can be when participating in transmission directly, detect moment of torsion and rate signal synchronously, for the motorcycle controller provides data, make control system possess adaptive function.But this device does not possess the self shifter function, and is mounted on the wheel hub from the structure design, scooter or electric bicycle weight are lighter, if be installed in the hypsokinesis of trailing wheel centre center of gravity, safety traffic is brought influence, and can not self shifter.
Other by rider under the situation of not knowing running resistance, only rule of thumb operate the speed change gear of control, have following problem unavoidably: 1. when startup, upward slope and heavy load, since running resistance increase, force motor or engine speed to descend in the work of poor efficiency district, cause battery to increase under the supply current operating mode, motor rotation blockage, heating even stop operating or engine misses.2. owing to there is not mechanical transmission to adjust moment of torsion and speed, rely on the big electric current power supply must the shortening of battery battery working life fully, can only promote the use of in the plains region, can not satisfy under mountain area, hills and the heavy load conditions and use, dwindled using scope; 3. the hub-type motor generally is installed in the hypsokinesis of trailing wheel centre center of gravity, and safety traffic is brought adverse effect; 4. driving wheel place installing space is little, has installed to be difficult to hold automatic transmission and other new technology behind the motor again; 5. do not possess adaptive function, can not detect, revise and get rid of driver's error in operation automatically; 6. change when unexpected in the speed of a motor vehicle, motor or motor are under the unsteady state operating mode turn round, must cause motor or power of motor and running resistance to be difficult to coupling.7. continuing, distance is short, grade ability is poor, and accommodation is little.
Therefore, need a kind of middle automatic transmission, can self adaption do not cut off under the situation of driving force and carry out shift speed change automatically, solve that motor or motor torque-rotation speed change are little can not to satisfy the problem that road uses under the complex conditions, and installation footprint is little with the change in resistance of travelling.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of middle planetary gear two-shift automatic speed variator, can make motor or motor output power and traveling state of vehicle be in the optimum Match state all the time, realize the Balance Control of vehicle traction moment and comprehensive running resistance; Can carry out shift speed change automatically with the change in resistance of travelling not needing to cut off under the situation of driving force self adaption, can satisfy under mountain area, hills and the heavy load conditions and use, the speed of a motor vehicle changes steady slow; Simultaneously, little, the compact structure of speed changer volume of the present invention, mounting type is a middle, center of gravity can hypsokinesis, helps safety traffic.
Middle planetary gear two-shift automatic speed variator of the present invention, comprise power plant, be fixedly installed on stationary axle on the power plant stator, be enclosed within driving sleeve that is rotatably assorted with stationary axle on the stationary axle and the power output wheel of fixedlying connected, also comprise fixing frame, the ring gear that is fixedly installed on the fixing frame right-hand member that is fixedly installed on the stationary axle left end, the supporting sleeve that is fixedly installed on the ring gear right-hand member with driving sleeve; Power plant are arranged in the cavity of fixing frame and ring gear and stationary axle formation; In the cavity of ring gear and supporting sleeve and stationary axle formation, be provided with epicyclic transmission and adaptive automatic gear shifting speed changing assembly;
A. epicyclic transmission comprise fixing frame, ring gear, external toothing, above planet pin, with ring gear, external toothing engagement and be enclosed within the planetary pinion that is rotatably assorted with it on the planet pin, be fixedly installed on planet carrier on the planet pin side by side, keep off drive sleeve and keep off drive sleeve slowly soon with planetary pinion; Planetary pinion is identical with planet pin with planet carrier quantity;
External toothing and stationary axle are rotatably assorted, and the rotor of external toothing left end and power plant is secure fit in a circumferential direction, right-hand member and the fast drive sleeve secure fit in a circumferential direction of keeping off; Planet carrier revolution circumference cylindrical with keep off drive sleeve secure fit in a circumferential direction slowly;
B. adaptive automatic gear shifting speed changing assembly comprises fast retaining cam post rod type overrunning clutch, keeps off free wheel device and speed change spring self-adaptive torus axial cam mechanism slowly;
I. keep off soon that cam post rod type overrunning clutch comprises the fast retaining overdrive clutch outer shroud driving sleeve fixedly connected with fast retaining drive sleeve, fast retaining push rod more than, the fast retaining engagement roller identical, fast gear shaft retainer ring in a left side and right fast gear shaft retainer ring that axial cross section is T shape with push rod quantity, keep off the overdrive clutch roller soon, the fast retaining that is enclosed within on the driving sleeve meshes the roller ring and keeps off the speed change roller soon;
Uniform being processed with and the identical circumferencial direction fast retaining radial cams groove from high to low of fast retaining push rod quantity on the described driving sleeve excircle, it is identical with the driving sleeve sense of rotation to keep off radial cams groove direction from high to low soon; Fast retaining engagement roller ring cylindrical is processed with fast retaining ring annular boss, uniform being processed with and the fast identical fast retaining engagement through hole of push rod quantity that keeps off on the fast retaining ring annular boss circumference, fast retaining engagement roller is put into the radial cams groove of driving sleeve by fast retaining engagement through hole, fast retaining push rod penetrates the fast retaining engagement through hole on the fast retaining engagement roller ring, withstand fast retaining engagement roller, keep off the push rod the other end soon and withstand with fast retaining overdrive clutch outer shroud and keep surmounting the fast retaining overdrive clutch roller that meshes contact condition;
Fast gear shaft retainer ring in a left side and right fast gear shaft retainer ring are arranged at the fast retaining push rod and the fast retaining overdrive clutch roller left and right sides respectively in the outside mode of T shape end face, left and right fast gear shaft retainer ring cylindrical is held fast retaining overdrive clutch roller, cooperates by the rolling of fast retaining speed change roller between interior circle and the fast retaining engagement roller ring cylindrical;
II. keep off free wheel device slowly and being set up in parallel with fast retaining cam post rod type overrunning clutch, comprise with keep off slowly that drive sleeve fixedlys connected keep off slowly the overdrive clutch outer shroud, with keep off slowly the overdrive clutch outer shroud keep surmounting mesh contact condition keep off the free wheel device of the retaining slowly inner ring that overdrive clutch roller and cylindrical are provided with the inner ring annular boss slowly;
Slowly keep off free wheel device inner ring Spielpassung and be enclosed within the driving sleeve cylindrical, cylindrical is provided with the inner ring annular boss, and inner ring annular boss cylindrical withstands and keeps off the overdrive clutch roller slowly; Slowly keeping off free wheel device inner ring left end fixedlys connected at circumferencial direction with fast retaining engagement roller ring right-hand member;
Right fast gear shaft retainer ring cooperates with keeping off slowly can doing relative motion in a circumferential direction between the free wheel device;
III. speed change spring self-adaptive torus axial cam mechanism comprises driving sleeve, speed change cirque body axial cam mechanism, speed change spring and speed change rolling element;
Speed change cirque body axial cam mechanism is by cooperating to mode movably with engagement shaft radially between speed change rolling element and the driving sleeve; Speed change cirque body axial cam mechanism cooperatively interacts by its speed change annular boss and the right-hand member that keeps off the free wheel device inner ring slowly, perhaps the end face impeller in the speed change cirque body axial end impeller of speed change cirque body axial cam mechanism left side meshes with the end face impeller that keeps off free wheel device inner ring right-hand member slowly, and the fast retaining of spline engagement connection that passes on left of the retaining free wheel device inner ring of waiting a moment meshes the roller ring; Speed change gapping of spring engage sleeves is on driving sleeve, and the speed change spring action can make fast retaining cam post rod type overrunning clutch engagement in speed change cirque body axial cam mechanism;
C. power output wheel and driving sleeve secure fit in a circumferential direction.
Further, described speed change spring self-adaptive torus axial cam mechanism is arranged on and keeps off the free wheel device right side slowly, speed change cirque body axial cam mechanism comprises speed change cirque body axial end impeller, speed change cirque body axial end impeller left side is processed with the end face impeller that expansion shape is an isosceles trapezoid, with the end face impeller engagement that keeps off the processing of free wheel device inner ring end face slowly, there is distance in speed change cirque body axial end impeller with the crest and the trough that keep off free wheel device inner ring engagement ear end face impeller slowly; Circle is provided with the axial straight trough that matches with the speed change rolling element more than in the speed change cirque body axial end impeller, and the driving sleeve cylindrical is provided with the axial straight trough that matches with the speed change rolling element more than; Cooperate to mode movably with engagement shaft radially by the speed change rolling element between speed change cirque body axial end impeller and the driving sleeve; The speed change spring presses speed change cirque body axial end impeller right side; The opposite side of speed change cirque body axial end impeller crest and the end face impeller crest that keeps off the processing of free wheel device inner ring end face slowly and driving sleeve sense of rotation with the driving sleeve sense of rotation mutually the same side near, fast retaining cam post rod type overrunning clutch is meshed;
Further, described speed change spring self-adaptive torus axial cam mechanism is arranged on and keeps off the free wheel device right side slowly, and speed change cirque body axial cam mechanism comprises speed change cirque body axial cam, speed change cirque body cam chair, shift cam pin;
Speed change cirque body cam chair is enclosed within the cylindrical of driving sleeve, and interior circle is provided with the axial straight trough that matches with the speed change rolling element more than; The driving sleeve cylindrical is provided with the axial straight trough that matches with the speed change rolling element more than; Cooperate to mode movably with engagement shaft radially by the speed change rolling element between speed change cirque body cam chair and the driving sleeve;
Speed change gapping of spring engage sleeves is pressed speed change cirque body cam chair on driving sleeve; Speed change cirque body axial cam with keep off the free wheel device inner ring in the circumferencial direction secure fit slowly; Speed change cirque body axial cam is provided with an above spiral cam slotted eye; Speed change cirque body cam chair is provided with an above speed change pin-and-hole; The shift cam pin passes the speed change pin-and-hole on the spiral cam slotted eye insertion speed change cirque body cam chair on the speed change cirque body axial cam; The rotary expansion direction of spiral cam slotted eye can make fast retaining cam post rod type overrunning clutch mesh under the speed change spring action;
Further, be set with the axle sleeve annular boss on the described driving sleeve, circle is processed with the speed change annular boss in the speed change cirque body axial cam left end, the speed change annular boss with keep off the free wheel device inner ring slowly and radially mesh, be provided with the 5th plane bearing between right side and the axle sleeve annular boss, between the annular boss that is provided with on the nose circle face in left side and the right slow gear shaft retainer ring the 6th plane bearing be set;
Speed change gapping of spring engage sleeves is at the driving sleeve cylindrical, and left end presses speed change cirque body cam chair; The rotary expansion direction of spiral cam slotted eye is opposite with the driving sleeve sense of rotation;
Further, described fast retaining cam post rod type overrunning clutch is that star-wheel keeps off cam post rod type overrunning clutch soon, the star-wheel working surface is arranged on fast retaining push rod and the end face that fast retaining overdrive clutch roller contacts, and keeps off push rod operative end surface Surface of action one side soon and is provided with the boss that radial height is higher than fast retaining overdrive clutch roller radius;
Further, the described free wheel device that keeps off slowly comprises that also axial cross section is the slow gear shaft retainer ring in a left side and the right slow gear shaft retainer ring of T shape;
Left slow gear shaft retainer ring and right slow gear shaft retainer ring are arranged at the inner ring annular boss that keeps off the free wheel device inner ring slowly respectively and keep off the overdrive clutch roller left and right sides slowly in the outside mode of T shape end face, left and right slow gear shaft retainer ring cylindrical is held and is kept off the overdrive clutch roller slowly, and interior circle rolls and cooperates with keeping off slowly between the free wheel device inner ring cylindrical by keeping off the speed change roller slowly; Be provided with Siping City's spherical bearing between the slow gear shaft retainer ring of a right fast gear shaft retainer ring and a left side;
Further, described driving sleeve left end is set with Left Drive axle sleeve bearing filler ring with it, circle is provided with annular boss I in the Left Drive axle sleeve bearing filler ring right-hand member, and annular boss I left side is disposed with first plane bearing, second radial bearing that is enclosed within on the stationary axle; Be provided with second plane bearing between annular boss I right side and the fast retaining engagement roller ring;
The driving sleeve right-hand member is engaged with and is provided with right driving sleeve bearing filler ring, circle being provided with annular boss II in the right driving sleeve bearing filler ring right-hand member, and annular boss II right side is disposed with the 3rd plane bearing, the 3rd radial bearing and the bearing shaft that are enclosed within on the stationary axle to positioning ring; Be rotatably assorted between the circle in right driving sleeve bearing filler ring cylindrical and the supporting sleeve right-hand member;
Described speed change spring right-hand member is near annular boss II left side, and left end is near speed change cirque body cam chair or speed change cirque body axial end impeller right side;
Further, also be provided with impacting force adjustment ring between described speed change spring and the annular boss II, described speed change spring is a butterfly spring group;
Further, also comprise the power output wheel drive sleeve that is enclosed within the supporting sleeve cylindrical, power output wheel drive sleeve right-hand member is fixedlyed connected at circumferencial direction with driving sleeve by driving sleeve right bearing filler ring, left end is fixedlyed connected with power output wheel, cooperates by needle bearing between circle and the supporting sleeve cylindrical in the power output wheel; Described power output wheel is a sprocket wheel;
Further, cooperate by the 4th annular bearing with rolling contact between described planet pin and the planetary pinion; Be rotatably assorted by the teflon axle sleeve between right driving sleeve bearing filler ring and the supporting sleeve;
Described speed change cirque body cam chair or speed change cirque body axial end impeller and the axial straight trough of driving sleeve are uniform on circumference, the speed change rolling element is a ball, the radial cross section of the axial straight trough of corresponding speed change cirque body cam chair or speed change cirque body axial end impeller and driving sleeve is a circular arc, be provided with retainer between the speed change ball: the cam slot circumferencial direction of described speed change cirque body axial cam is uniform, pin-and-hole circumferencial direction on the corresponding speed change cirque body cam chair is uniform, and the radial cross section of the fast retaining radial cams groove on the driving sleeve is a lineal shape;
Described planet pin is uniform on planetary pinion revolution circumference; Described external toothing is connected with a joggle by annular engagement cover with keeping off drive sleeve soon, and annular meshes to overlap in cylindrical and the planet carrier revolution and cooperates by the rolling of planet carrier roller between the circle;
Further, described fast retaining push rod radial cross section is a T shape, and fast retaining engagement roller ring engagement through hole radial cross section should be T shape with it relatively;
Further, described power plant are motor, motor left end cap and right end cap are fixedly connected on the rotor both sides respectively, and rolling with stationary axle by the 5th radial bearing and first radial bearing cooperates, and the stator of motor is arranged in the rotor chamber of motor left end cap and right end cap and rotor formation; Be provided with the location axle sleeve between first radial bearing and second radial bearing, the external toothing Spielpassung is enclosed within the location sleeve outer circle, and left end and motor right end cap are connected with a joggle.
The invention has the beneficial effects as follows: middle planetary gear two-shift automatic speed variator of the present invention adopts epicyclic transmission and adaptive automatic gear shifting speed changing assembly, can make motor or motor output power and traveling state of vehicle be in the optimum Match state all the time, realize the Balance Control of vehicle traction moment and comprehensive running resistance.Can carry out shift speed change automatically with the change in resistance of travelling not needing to cut off under the situation of driving force self adaption.Simultaneously, the kind of drive is non-gear positive drive in the speed changer of the present invention, has improved transmission efficiency greatly, not only helps vehicle and mechanical and power equipment is energy-efficient, can also control vehicle and reduce discharging, improve power character, Economy, drive safety and the travelling comfort of vehicle greatly.Owing to can under the situation of not cutting off driving force, self adaption carry out shift speed change automatically with the change in resistance of travelling, can satisfy under mountain area, hills and the heavy load conditions and use, it is mild that motor or motor load are changed, and motor vehicle operate steadily, and improves Security.Speed changer of the present invention is owing to reduced gear engagement mechanism, thereby volume is little, compact structure.Mounting type is a middle, and center of gravity can hypsokinesis, helps safety traffic, is fit to electric bicycle and the little light characteristics of scooter volume.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is first kind of embodiment's axial section of the present invention structural representation;
Fig. 2 is second kind of embodiment's axial section of the present invention structural representation;
Fig. 3 be Fig. 1 along A-A to sectional view;
Fig. 4 be Fig. 1 along B-B to sectional view;
Fig. 5 be Fig. 1 along C-C to sectional view;
Fig. 6 be Fig. 1 along D-D to sectional view;
Fig. 7 is an engagement roller ring axial section structural representation of the present invention;
Fig. 8 is a speed change cirque body axial cam plan view of the present invention;
Fig. 9 keeps off the free wheel device inner ring slowly for second kind of embodiment of the present invention;
Figure 10 is second kind of embodiment's speed change of the present invention cirque body axial end impeller structure figure.
Embodiment
Fig. 1 is an axial section structural representation of the present invention, and as shown in the figure: the power equipment of present embodiment is a motor, sees from left to right during work to turn clockwise.
The middle planetary gear two-shift automatic speed variator comprises the stationary axle 1 that fixedly installs with motor stator 51, is enclosed within the driving sleeve 28 that is rotatably assorted with stationary axle 1 on the stationary axle 1, the power output sprocket 20 of fixedlying connected with driving sleeve 28, by engagement axle sleeve 2 be fixedly connected on stationary axle 1 left end fixing frame 3, be arranged on the ring gear 11 of fixing frame 3 right-hand members, be connected the supporting sleeve 12 of ring gear 11 right-hand members by screw by screw; Motor left end cap 4 and right end cap 9 are connected rotor 5 both sides by screw respectively, cooperate with stationary axle 1 rolling by the 5th radial bearing 56 and first radial bearing 54, the stator 51 of motor is arranged in the cavity of motor left end cap 4 and right end cap 9 and rotor 5 formation.
In the cavity of ring gear 11 and supporting sleeve 12 and stationary axle 1 formation, be provided with epicyclic transmission and adaptive automatic gear shifting speed changing assembly.
Epicyclic transmission comprises fixing frame 3, ring gear 11, external toothing 6, planet pin 7, with inside and outside gear ring engagement and be enclosed within the planetary pinion 8 that is rotatably assorted by the 4th annular bearing with rolling contact 53 with it on the planet pin 7, be fixedly connected on planet carrier 10 on the planet pin 7 side by side, keep off drive sleeve 48 and keep off drive sleeve 13 slowly soon with planetary pinion 8.
First radial bearing, 54 right-hand members are provided with location axle sleeve 50, driving sleeve 28 left ends are engaged with and are set with Left Drive axle sleeve bearing filler ring 15, circle is provided with annular boss I in Left Drive axle sleeve bearing filler ring 15 right-hand members, and annular boss I left side is disposed with first plane bearing 14, second annular bearing with rolling contact 49 and the location axle sleeve 50 that is enclosed within on the stationary axle 1;
Driving sleeve 28 right-hand members are engaged with and are provided with right driving sleeve bearing filler ring 32, circle being provided with annular boss II in right driving sleeve bearing filler ring 32 right-hand members, and annular boss II right side is disposed with the 3rd plane bearing 55, the 3rd annular bearing with rolling contact 58 and the bearing shaft that are enclosed within on the stationary axle 1 to positioning ring 31; Bearing shaft is fixed by nut to positioning ring 31 right sides; Be rotatably assorted by teflon axle sleeve 57 between the circle in right driving sleeve bearing filler ring 32 cylindricals and supporting sleeve 12 right-hand members.
Adaptive automatic gear shifting speed changing assembly comprises fast retaining cam post rod type overrunning clutch, keeps off cam post rod type overrunning clutch and speed change spring self-adaptive torus axial cam mechanism slowly;
The fast retaining that fast retaining cam post rod type overrunning clutch comprises fast gear shaft retainer ring 47 in a left side and right fast gear shaft retainer ring 47a that fast retaining push rod that the fast retaining overdrive clutch outer shroud 18 of fixedlying connected by screw 40a with fast retaining drive sleeve 48, driving sleeve 28, three radial cross sections are T shape 45, three fast retaining engagement rollers 46, axial cross sections are T shape, keep off overdrive clutch roller 17 soon, be enclosed within on the driving sleeve 28 meshes roller ring 44 and keeps off speed change roller 19 soon;
On driving sleeve 28 excircles uniform be processed with three in a circumferential direction clockwise from high to low lineal shapes keep off radial cams groove 28b soon, fast retaining engagement roller ring 44 cylindricals are processed with fast retaining ring annular boss 44a, uniformly on the fast retaining ring annular boss 44a circumference be processed with the fast retaining engagement through hole 44b that three radial cross sections are T shape, fast retaining engagement roller 46 is put into the radial cams groove 28b of driving sleeve 28 by fast retaining engagement through hole 44b, fast retaining push rod 45T shape microcephaly penetrates the fast retaining engagement through hole 44b on the fast retaining engagement roller ring 44, withstand fast retaining engagement roller 46, fast retaining push rod 45T shape stub end withstands with fast retaining overdrive clutch outer shroud 18 and keeps surmounting the fast retaining overdrive clutch roller 17 that meshes contact condition, described fast retaining cam post rod type overrunning clutch is that star-wheel keeps off cam post rod type overrunning clutch soon, the star-wheel working surface is arranged on fast retaining push rod 45 and the end face that fast retaining overdrive clutch roller 17 contacts, and keeps off push rod 45 operative end surface Surface of action one side soon and is provided with the boss 45a that radial height is higher than fast retaining overdrive clutch roller 17 radiuses.
Fast gear shaft retainer ring 47 in a left side and right fast gear shaft retainer ring 47a are arranged at the fast retaining push rod 45 and fast retaining overdrive clutch roller 17 left and right sides respectively in the outside mode of T shape end face, left and right fast gear shaft retainer ring cylindrical is held fast retaining overdrive clutch roller 17, in roll by fast retaining speed change roller 19 between circle and fast retaining engagement roller ring 44 cylindricals and cooperate, keep off meshing between roller ring 44 left sides and the annular boss I being provided with second plane bearing 16 soon.
Slowly keep off free wheel device and being set up in parallel on its right side with fast retaining cam post rod type overrunning clutch, comprise with keep off slowly that drive sleeve 13 fixedlys connected keep off slowly overdrive clutch outer shroud 21, with keep off slowly overdrive clutch outer shroud 21 keep surmounting the engagement contact condition keep off slowly overdrive clutch roller 23, cylindrical be processed with the inner ring annular boss keep off free wheel device inner ring 22 slowly, axial cross section is the slow gear shaft retainer ring 42 in a left side and the right gear shaft retainer ring 42a slowly of T shape;
Slowly keep off free wheel device inner ring 22 Spielpassung and be enclosed within driving sleeve 28 cylindricals, slowly the inner ring annular boss cylindrical that keeps off the 22 excircle settings of free wheel device inner ring withstands and keeps off overdrive clutch roller 23 slowly, and the left side is meshed between the roller ring 44 with fast retaining and is connected by spline engagement at circumferencial direction;
Left slow gear shaft retainer ring 42 and right slow gear shaft retainer ring 42a are arranged at the inner ring annular boss that keeps off free wheel device inner ring 22 slowly respectively and keep off overdrive clutch roller 23 left and right sides slowly in the outside mode of T shape end face, left and right slow gear shaft retainer ring cylindrical is held and is kept off overdrive clutch roller 23 slowly, in circle roll and cooperate with keeping off slowly between free wheel device inner ring 22 cylindricals, right fast gear shaft retainer ring 47a and leftly be provided with Siping City's spherical bearing 43 between the gear shaft retainer ring 42 slowly by keeping off speed change roller 38 slowly;
Speed change spring self-adaptive torus axial cam mechanism comprises driving sleeve 28, speed change cirque body axial cam 362, speed change cirque body cam chair 27, shift cam pin 26, speed change butterfly spring group 29 and speed change ball 35.
Be processed with axle sleeve annular boss 28a on the driving sleeve 28, circle is processed with speed change annular boss 362b in speed change cirque body axial cam 362 left ends, speed change annular boss 362b with keep off the engagement of free wheel device inner ring 22 right-hand members slowly, can do relative motion in a circumferential direction by the 5th plane bearing 37 between speed change annular boss 362b right side and the axle sleeve annular boss 28a cooperates, and can do relative motion in a circumferential direction by the 6th plane bearing 25 between the annular boss that is provided with on the nose circle face in left side and the right slow gear shaft retainer ring 42a cooperates.
Speed change cirque body axial cam 362 is the uniform spiral cam slotted eye 362a that has three counterclockwise from left to right spirals expansion on circumference; Speed change cirque body cam chair 27 is uniform on circumference to have three speed change pin-and-hole 27a; Shift cam pin 26 passes spiral cam slotted eye 362a on the speed change cirque body axial cam 362 and inserts speed change pin-and-hole 27a on the speed change cirque body cam chair 27;
Speed change cirque body cam chair 27 is enclosed within the axle sleeve annular boss 28a right side shaft part cylindrical of driving sleeve 28, and interior circle has the axial straight trough 27b that the radial cross section that matches with speed change ball 35 is a circular arc; The axle sleeve annular boss 28a right side shaft part of driving sleeve 28 has the axial straight trough 28c that the radial cross section that matches with speed change ball 35 is a circular arc; Cooperate to mode movably with engagement shaft radially by speed change ball 35 between speed change cirque body cam chair 27 and the driving sleeve 28; Be equipped with two speed change balls 35 in the straight trough that every pair is matched.
Power output wheel drive sleeve 34 right-hand members and driving sleeve right bearing filler ring 32 are connected by screw, and left end and power output sprocket 20 are connected by screw, cooperate by needle bearing 24 rollings between circle and supporting sleeve 12 cylindricals in the power output sprocket 20.
Above embodiment is an optimum structure of the present invention, is not the qualification to protection domain of the present invention; Such as, the axle sleeve annular boss 28a on the driving sleeve 28, can the split setting and pass through screw; Radial bearing and plane bearing can be rolling bearing, also can be sliding bearings; External toothing 6 and engagement cover 41 can be made one; Left Drive axle sleeve bearing filler ring 15 also can be made one with driving sleeve 28; The radial cross section of push rod is not limited to T shape, also can be that other are as rectangular shape; Or the like some technical characteristicss all can make corresponding change, and do not influence the realization of this goal of the invention.
The fast retaining power transmission line of present embodiment:
Motor driving power is kept off drive sleeve 48 → keep off soon overdrive clutch outer shroud 18 → keep off soon overdrive clutch roller 17 → keep off soon T type push rod 45 → fast retaining engagement roller 46 → keep off radial cams groove 28b → driving sleeve 28 → sprocket driving cover 34 → sprocket wheel 20 → chain soon to trailing wheel through motor right end cap 9 → external toothing 6 → soon.
Slowly keep off power transmission line:
Motor driving power is kept off drive sleeve 13 → keep off slowly overdrive clutch outer shroud 21 → keep off slowly overdrive clutch roller 23 → keep off free wheel device inner ring 22 → speed change cirque body axial cam 362 → cam pin 26 → cam chair 27 → engagement ball 35 → driving sleeve 28 → sprocket driving cover 34 → sprocket wheel 20 → chain slowly to trailing wheel through motor right end cap 9 → external toothing 6 → planetary pinion 8 → planet wheel shaft 7 → planet carrier 10 → slowly.
Fast retaining of the present invention transmits the resistance transfer route:
Slowly retaining transmits the resistance transfer route:
Simultaneously, resistance also passes through following route: driving sleeve 28 → engagement ball 35 → cam chair 27 → cam pin 26 → speed change cirque body axial cam 362 → compression butterfly spring.
Fig. 2 is second kind of embodiment's axial section of the present invention structural representation, as shown in the figure: present embodiment and first kind of embodiment's difference is: speed change cirque body axial cam mechanism 36 comprises speed change cirque body axial end impeller 361, speed change cirque body axial end impeller 361 left sides are processed with the end face impeller that expansion shape is an isosceles trapezoid, with the end face impeller engagement that keeps off the processing of free wheel device inner ring 22 end faces slowly, there is distance in speed change cirque body axial end impeller 361 with the crest and the trough that keep off free wheel device inner ring 22 engagement ear end face impellers slowly; Circle is provided with the axial straight trough 361a that matches with speed change rolling element 35 more than in the speed change cirque body axial end impeller 361, and driving sleeve 28 cylindricals are provided with the axial straight trough 28c that matches with speed change rolling element 35 more than; Cooperate to mode movably with engagement shaft radially by speed change rolling element 35 between speed change cirque body axial end impeller 361 and the driving sleeve 28; Speed change spring 29 presses speed change cirque body axial end impeller 361 right sides; Speed change cirque body axial end impeller 361 crests are seen a counterclockwise side from left to right near the clockwise side of end face impeller crest of keeping off the processing of free wheel device inner ring 22 end faces slowly, make fast retaining cam post rod type overrunning clutch engagement under 29 effects of speed change spring; Slow gear shaft retainer ring 42a right side is provided with back-up ring 58 on the right side, keeps off free wheel device inner ring 22 cylindrical circumference slowly and is provided with groove, and groove is embedded with catch 57, and catch 57 is with back-up ring 58 and right slow gear shaft retainer ring 42a axial restraint.
Among first kind of embodiment, this speed changer is when operation, butterfly spring group 29 is relied on pressure adjustment ring 33, make speed change cirque body cam chair 27, shift cam pin 26 is along driving sleeve 28 axial straight troughs straight line motion left, because speed change cirque body axial cam 362 cam and driving sleeve 28 axial straight troughs are not on a movement locus, therefore force speed change cirque body axial cam 362 to be rotated counterclockwise several angle, drive keeps off free wheel device inner ring 22 slowly and keeps off roller ring 44 soon and also rotate, fast retaining engagement roller 46 is risen along driving sleeve 28 cam groove 28b cam, support fast retaining T type push rod 45 and fast retaining overdrive clutch roller 17 and 18 engagements of fast retaining overdrive clutch outer shroud, form an automatic transmission that keeps certain pressure, and can highly adjust the required pressure of clutches engaged by increasing adjustment speed change square adjustment ring 33, reach the transmission purpose, at this moment, rotor 5 drives motor right end cap 9, thereby drives external toothing 6, fast retaining drive sleeve 48, fast retaining overdrive clutch outer shroud 18, fast retaining overdrive clutch roller 17, fast retaining T type push rod 45, fast retaining engagement roller 46, fast retaining radial cams groove 28b, driving sleeve 28, sprocket driving cover 34, sprocket wheel 20 turns clockwise.At this moment, keeping off free wheel device slowly is in and surmounts state.
Resistance is greater than driving force during motor vehicle starting, resistance forces driving sleeve 28 to drive speed change cirque body cam chair 27, shift cam pin 26 rotation counterclockwise, speed change cirque body axial cam 362 clockwise rotates several angle, fast retaining roller ring 44 is also along clockwise mobile several angle, because being counterclockwise, driving sleeve 28 convexity race straight lines rise from low to high, therefore fast retaining engagement roller 46 descends along fast retaining radial cams groove 28b, fast retaining T type push rod 45 loses support, fast retaining overdrive clutch roller 17 hightails engagement with fast retaining overdrive clutch outer shroud 18, synchronously, keep off the free wheel device engagement slowly and continue transmission.Therefore, realize the bottom gear starting automatically, shortened the starting time, reduced starting force.Meanwhile, cam on the speed change cylindrical cam 36 promotes shift cam seat 27 and shift cam pin 26 moves axially to the right along driving sleeve 28 straight-line grooves, and compressing butterfly spring group 29 absorbs movement resistor moment energy, holds potential energy fully for recovering soon the gear transferring power.
After starting successfully, running resistance reduces, when component is reduced to less than in the speed change butterfly spring cylindrical cam automatic transmission that speed change butterfly spring group 29 produced pressure, because of producing butterfly spring group 29 pressure, the compression of passive movement resistance discharges promotion rapidly down, speed change cirque body cam chair 27, shift cam pin 26, speed change ball 35 moves axially left, drive speed change garden post cam 36, slowly keep off free wheel device inner ring 22, fast retaining roller ring 44, fast retaining engagement roller 46 is rotated counterclockwise along driving sleeve 28 cam lines, so, fast shelves T type push rod 45 rises, fast retaining overdrive clutch roller 17 and 18 engagements of fast retaining overdrive clutch outer shroud keep off free wheel device slowly and recover to surmount state.
In the running process,, realize variable block not needing to cut off under the situation of driving force, make whole locomotive operation steady, safe and low consumption along with the variation self shifter principle of resistance to motion is the same.
Second kind of embodiment and the first kind of embodiment principle of shifting gears is identical, finishes gearshift work by trapezoidal end face impeller.Second kind of embodiment and the first kind of embodiment principle of shifting gears is identical, finish gearshift work by trapezoidal end face impeller, the axial straight trough 361a of speed change cirque body axial end impeller 361, movement locus and speed change cirque body axial end impeller 361 crest side tracks are inconsistent, under 29 effects of speed change spring fast retaining cam post rod type overrunning clutch are thrown off or engagement.
Fig. 3 be Fig. 1 along A-A to sectional view, promptly fast retaining cam post rod type overrunning clutch radial section figure, this sectional drawing is for from right to left, as shown in the figure: in the cavity that supporting sleeve 12 forms: driving sleeve 28 is enclosed within stationary axle 1 cylindrical, uniform three counter clockwise directions lineal shape radial groove 28b from high to low on the circumference, fast retaining engagement roller ring 44 cylindricals are processed with ring annular boss 44a, uniformly on the ring annular boss 44a circumference be processed with three engagement through hole 44b, fast retaining engagement roller 46 is put into radial groove 28b by engaging hole, fast retaining T shape push rod 45 penetrates the engaging hole on the fast retaining engagement roller ring 44, withstand fast retaining engagement roller 46, push rod 45 the other ends withstand with fast retaining overdrive clutch outer shroud 18 and keep surmounting the fast retaining overdrive clutch roller 17 that meshes contact condition; Fast retaining overdrive clutch outer shroud 18 is maintained fixed coupled condition with fast retaining drive sleeve 48, the star-wheel working surface is arranged on fast retaining push rod 45 and the end face that fast retaining overdrive clutch roller 17 contacts, and keeps off push rod 45 operative end surface Surface of action one side soon and is provided with the boss 45a that radial height is higher than fast retaining overdrive clutch roller 17 radiuses.
Fig. 4 be Fig. 1 along B-B to sectional view, promptly keep off free wheel device radial section figure slowly, this sectional drawing is for from right to left, as shown in the figure, slowly keeping off free wheel device is the star-wheel free wheel device, in the cavity that supporting sleeve 12 forms: driving sleeve 28 is enclosed within stationary axle 1 cylindrical, slowly keep off drive sleeve 13 and keep off overdrive clutch outer shroud 21 slowly and be connected by screw, slowly keep off overdrive clutch outer shroud 21 and keep off overdrive clutch roller 23 slowly and keep surmounting the engagement contact condition, slowly keep off free wheel device inner ring 22 cylindricals and be processed with the inner ring annular boss, slowly keep off free wheel device inner ring 22 Spielpassung and be enclosed within driving sleeve 28 cylindricals, inner ring annular boss cylindrical withstands and keeps off overdrive clutch roller 23 slowly.
Fig. 5 be Fig. 1 along C-C to sectional view, be epicyclic transmission radial section figure, as shown in the figure: in the cavity that supporting sleeve 12 forms: epicyclic transmission comprises fixing frame 3, ring gear 11, external toothing 6, three planet pins 7, three planetary pinions 8 are enclosed within on the planet pin 7 by the 4th annular bearing with rolling contact 53, planetary pinion 8 and ring gear and external toothing engagement; External toothing 6 Spielpassung are enclosed within location axle sleeve 50 cylindricals, and location axle sleeve 50 is enclosed within and stationary axle 1 cylindrical.
Fig. 6 be Fig. 1 along D-D to sectional view, be self adaption cirque body cam mechanism radial section figure, as shown in the figure, in the cavity that supporting sleeve 12 forms: be processed with spiral cam slotted eye 362a on the speed change cirque body axial cam 362; Have pin-and-hole 27a on the speed change cirque body cam chair 27; Shift cam pin 26 passes spiral cam slotted eye 362a on the speed change cirque body axial cam 362 and inserts pin-and-hole 27a on the speed change cirque body cam chair 27;
Circle has the axial straight trough 27b that radial cross section is a circular arc in the speed change cirque body cam chair 27; Transmission shaft 28 cylindricals have the axial straight trough 28c that radial cross section is a circular arc; Speed change ball 35 is arranged between two straight troughs, and speed change cirque body cam chair 27 and driving sleeve 28 are cooperated to mode movably with engagement shaft radially, is provided with retainer between a plurality of speed change balls 35.
Fig. 7 is a fast retaining engagement roller ring axial section structural representation of the present invention, in conjunction with Fig. 3, fast retaining engagement roller ring 44 cylindricals are processed with fast retaining ring annular boss 44a, keep off soon uniformly on the ring annular boss 44a circumference being processed with the radially penetrating engaging hole 44b that 3 radial cross sections are T shape.
Fig. 8 is a speed change cirque body axial cam plan view of the present invention, as shown in the figure: be processed with from left to right the axially spiral cam slotted eye 362a of spiral expansion along clockwise direction on the speed change cirque body axial cam 362.
Fig. 9 keeps off the free wheel device inner ring slowly for second kind of embodiment of the present invention, Figure 10 is second kind of embodiment's speed change of the present invention cirque body axial end impeller structure figure, as shown in the figure: keep off inner ring 22 right-hand members slowly and speed change cirque body axial end impeller left end is arranged to the end face impeller structure, circle being provided with axial straight trough 361a in the speed change cirque body axial end impeller.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (12)
1. middle planetary gear two-shift automatic speed variator, comprise power plant, be fixedly installed on stationary axle (1) on the power plant stator (51), be enclosed within stationary axle (1) and go up and stationary axle (1) driving sleeve (28) that is rotatably assorted and the power output wheel (20) of fixedlying connected, it is characterized in that: also comprise fixing frame (3), the ring gear (11) that is fixedly installed on fixing frame (3) right-hand member that is fixedly installed on stationary axle (1) left end, the supporting sleeve (12) that is fixedly installed on ring gear (11) right-hand member with driving sleeve (28); Power plant are arranged in the cavity of fixing frame (3) and ring gear (11) and stationary axle (1) formation; In the cavity of ring gear (11) and supporting sleeve (12) and stationary axle (1) formation, be provided with epicyclic transmission and adaptive automatic gear shifting speed changing assembly;
A. epicyclic transmission comprise fixing frame (3), ring gear (11), external toothing (6), an above planet pin (7), with ring gear, external toothing engagement and be enclosed within the planetary pinion (8) that is rotatably assorted with it on the planet pin (7), be fixedly installed on planet carrier (10) on the planet pin (7) side by side, keep off drive sleeve (48) and keep off drive sleeve (13) slowly soon with planetary pinion (8); Planetary pinion (8) is identical with planet pin (7) with planet carrier (10) quantity:
External toothing (6) is rotatably assorted with stationary axle (1), the rotor (5) of external toothing (6) left end and power plant is secure fit in a circumferential direction, and right-hand member and fast retaining drive sleeve (48) be secure fit in a circumferential direction: planet carrier (10) revolution circumference cylindrical with keep off drive sleeve (13) secure fit in a circumferential direction slowly;
B. adaptive automatic gear shifting speed changing assembly comprises fast retaining cam post rod type overrunning clutch, keeps off free wheel device and speed change spring self-adaptive torus axial cam mechanism slowly;
I. keep off soon that cam post rod type overrunning clutch comprises the fast retaining overdrive clutch outer shroud (18) fixedly connected with fast retaining drive sleeve (48), driving sleeve (28), fast retaining push rod (45) more than, the fast retaining engagement roller (46) identical, the fast gear shaft retainer ring (47) in a left side that axial cross section is T shape and right fast gear shaft retainer ring (47a) with push rod quantity, soon keep off overdrive clutch roller (17), be enclosed within the fast retaining engagement roller ring (44) on the driving sleeve (28) and keep off speed change roller (19) soon;
Uniform being processed with and the identical circumferencial direction fast retaining radial cams groove (28b) from high to low of fast retaining push rod (45) quantity on described driving sleeve (28) excircle, it is identical with driving sleeve (28) sense of rotation to keep off radial cams groove (28b) direction from high to low soon; Fast retaining engagement roller pulls out ring (44) cylindrical and is processed with fast retaining and pulls out and encircle annular boss (44a), uniform being processed with and the fast identical fast retaining engagement through hole (44b) of push rod (45) quantity that keeps off on fast retaining ring annular boss (44a) circumference, fast retaining engagement roller (46) is put into the radial cams groove (28b) of driving sleeve (28) by fast retaining engagement through hole (44b), fast retaining push rod (45) penetrates the fast retaining engagement through hole (44b) on the fast retaining engagement roller ring (44), withstand fast retaining engagement roller (46), keep off push rod (45) the other end soon and withstand with fast retaining overdrive clutch outer shroud (18) and keep surmounting the fast retaining overdrive clutch roller (17) that meshes contact condition;
Fast gear shaft retainer ring (47) in a left side and right fast gear shaft retainer ring (47a) are arranged at the fast retaining push rod (45) and fast retaining overdrive clutch roller (17) left and right sides respectively in the outside mode of T shape end face, left and right fast gear shaft retainer ring cylindrical holds fast retaining overdrive clutch roller (17), cooperates by fast retaining speed change roller (19) rolling between interior circle and fast retaining engagement roller ring (44) cylindrical;
II. keep off free wheel device slowly and being set up in parallel with fast retaining cam post rod type overrunning clutch, comprise with keep off slowly the overdrive clutch of retaining slowly outer shroud (21) that drive sleeve (13) fixedlys connected, with keep off overdrive clutch outer shroud (21) maintenance slowly and surmount the free wheel device of the retaining slowly inner ring (22) that the overdrive clutch of the retaining slowly roller (23) that meshes contact condition and cylindrical are provided with the inner ring annular boss;
Slowly keep off free wheel device inner ring (22) Spielpassung and be enclosed within driving sleeve (28) cylindrical, cylindrical is provided with the inner ring annular boss, and interior solid annular boss cylindrical withstands and keeps off overdrive clutch roller (17) slowly; Slowly keeping off free wheel device inner ring (22) left end pulls out ring (44) right-hand member with fast retaining engagement roller and fixedlys connected at circumferencial direction;
Right fast gear shaft retainer ring (47a) cooperates with keeping off slowly can doing relative motion in a circumferential direction between the free wheel device;
III. speed change spring self-adaptive torus axial cam mechanism comprises driving sleeve (28), speed change cirque body axial cam mechanism (36), speed change spring (29) and speed change rolling element (35);
Speed change cirque body axial cam mechanism (36) is by cooperating to mode movably with engagement shaft radially between speed change rolling element (35) and the driving sleeve (28); Speed change cirque body axial cam mechanism (36) cooperatively interacts by its speed change annular boss (362b) and the right-hand member that keeps off free wheel device inner ring (22) slowly, perhaps the end face impeller in the speed change cirque body axial end impeller (361) of speed change cirque body axial cam mechanism (36) left side meshes with the end face impeller that keeps off free wheel device inner ring (22) right-hand member slowly, and the fast retaining of spline engagement connection that passes on left of the retaining free wheel device inner ring (22) of waiting a moment meshes roller ring (44); Speed change spring (29) Spielpassung is enclosed within on the driving sleeve (28), and speed change spring (28) acts in the speed change cirque body axial cam mechanism (36), can make fast retaining cam post rod type overrunning clutch engagement;
C. power output wheel (20) and driving sleeve (28) secure fit in a circumferential direction.
2. middle planetary gear two-shift automatic speed variator according to claim 1, it is characterized in that: described speed change spring self-adaptive torus axial cam mechanism is arranged on and keeps off the free wheel device right side slowly, speed change cirque body axial cam mechanism (36) comprises speed change cirque body axial end impeller (361), speed change cirque body axial end impeller (361) left side is processed with the end face impeller that expansion shape is an isosceles trapezoid, with the end face impeller engagement that keeps off the processing of free wheel device inner ring (22) end face slowly, there is distance in speed change cirque body axial end impeller (361) with the crest and the trough that keep off free wheel device inner ring (22) engagement ear end face impeller slowly; Circle is provided with the axial straight trough (361a) that matches with speed change rolling element (35) more than in the speed change cirque body axial end impeller (361), and driving sleeve (28) cylindrical is provided with the axial straight trough (28c) that matches with speed change rolling element (35) more than; Cooperate to mode movably with engagement shaft radially by speed change rolling element (35) between speed change cirque body axial end impeller (361) and the driving sleeve (28); Speed change spring (29) presses speed change cirque body axial end impeller (361) right side; The opposite side of speed change cirque body axial end impeller (361) crest and the end face impeller crest that keeps off the processing of free wheel device inner ring (22) end face slowly and driving sleeve sense of rotation with the driving sleeve sense of rotation mutually the same side near, under speed change spring (29) effect, fast retaining cam post rod type overrunning clutch is meshed.
3. middle planetary gear two-shift automatic speed variator according to claim 1, it is characterized in that: described speed change spring self-adaptive torus axial cam mechanism is arranged on and keeps off the free wheel device right side slowly, and speed change cirque body axial cam mechanism (36) comprises speed change cirque body axial cam (362), speed change cirque body cam chair (27), shift cam pin (26);
Speed change cirque body cam chair (27) is enclosed within the cylindrical of driving sleeve (28), and interior circle is provided with the axial straight trough (27b) that matches with speed change rolling element (35) more than: driving sleeve (28) cylindrical is provided with the axial straight trough (28c) that matches with speed change rolling element (35) more than; Cooperate to mode movably with engagement shaft radially by speed change rolling element (35) between speed change cirque body cam chair (27) and the driving sleeve (28);
Speed change spring (29) Spielpassung is enclosed within on the driving sleeve (28), presses speed change cirque body cam chair (27); Speed change cirque body axial cam (362) with keep off free wheel device inner ring (22) in the circumferencial direction secure fit slowly; Speed change cirque body axial cam (362) is provided with an above spiral cam slotted eye (362a); Speed change cirque body cam chair (27) is provided with an above speed change pin-and-hole (27a); Shift cam pin (26) passes the speed change pin-and-hole (27a) on last spiral cam slotted eye (362a) the insertion speed change cirque body cam chair of speed change cirque body axial cam (362) (27); The rotary expansion direction of spiral cam slotted eye (362a) can make the engagement under speed change spring (29) effect of fast retaining cam post rod type overrunning clutch.
4. middle planetary gear two-shift automatic speed variator according to claim 3 is characterized in that:
Be set with axle sleeve annular boss (28a) on the described driving sleeve (28), circle is processed with speed change annular boss (362b) in speed change cirque body axial cam (362) left end, speed change annular boss (362b) with keep off free wheel device inner ring (22) slowly and radially mesh, be provided with the 5th plane bearing (37) between right side and the axle sleeve annular boss (28a), between the annular boss that is provided with on left side and the right slow interior nose circle face of gear shaft retainer ring (40a) the 6th plane bearing (25) be set;
Speed change spring (29) Spielpassung is enclosed within driving sleeve (28) cylindrical, and left end presses speed change cirque body cam chair (27);
The rotary expansion direction of spiral cam slotted eye (362a) is opposite with driving sleeve (28) sense of rotation.
5. middle planetary gear two-shift automatic speed variator according to claim 4, it is characterized in that: described fast retaining cam post rod type overrunning clutch is that star-wheel keeps off cam post rod type overrunning clutch soon, the star-wheel working surface is arranged on fast retaining push rod (45) and the end face that fast retaining overdrive clutch roller (17) contacts, and keeps off push rod (45) operative end surface Surface of action one side soon and is provided with the boss (45a) that radial height is higher than fast retaining overdrive clutch roller (17) radius.
6. middle planetary gear two-shift automatic speed variator according to claim 5 is characterized in that:
The described free wheel device that keeps off slowly comprises that also axial cross section is the slow gear shaft retainer ring (42) in a left side and the right slow gear shaft retainer ring (42a) of T shape;
Slow gear shaft retainer ring (42) in a left side and right slow gear shaft retainer ring (42a) are arranged at the inner ring annular boss that keeps off free wheel device inner ring (22) slowly respectively and keep off overdrive clutch roller (23) left and right sides slowly in the outside mode of T shape end face, left and right slow gear shaft retainer ring cylindrical is held and is kept off overdrive clutch roller (23) slowly, and interior circle rolls and cooperates with keeping off slowly between free wheel device inner ring (22) cylindrical by keeping off speed change roller (38) slowly; Be provided with Siping City's spherical bearing (43) between the slow gear shaft retainer ring (42) of a right fast gear shaft retainer ring (47a) and a left side.
7. middle planetary gear two-shift automatic speed variator according to claim 6, it is characterized in that: described driving sleeve (28) left end is set with Left Drive axle sleeve bearing filler ring (15) with it, circle is provided with annular boss I in Left Drive axle sleeve bearing filler ring (15) right-hand member, and annular boss I left side is disposed with first plane bearing (14), second radial bearing (49) that is enclosed within on the stationary axle (1); Be provided with second plane bearing (16) between annular boss I right side and the fast retaining engagement roller ring (44);
Driving sleeve (28) right-hand member is engaged with and is provided with right driving sleeve bearing filler ring (32), circle being provided with annular boss II in right driving sleeve bearing filler ring (32) right-hand member, and annular boss II right side is disposed with the 3rd plane bearing (55), the 3rd radial bearing (58) and the bearing shaft that are enclosed within on the stationary axle (1) to positioning ring (31); Be rotatably assorted between the circle in right driving sleeve bearing filler ring (32) foreign country and supporting sleeve (12) right-hand member;
Described speed change spring (29) right-hand member is near annular boss II left side, and left end is near speed change cirque body cam chair (27) or speed change cirque body axial end impeller (361) right side.
8. middle planetary gear two-shift automatic speed variator according to claim 7 is characterized in that: also be provided with impacting force adjustment ring (33) between described speed change spring (29) and the annular boss II, described speed change spring (29) is a butterfly spring group.
9. middle planetary gear two-shift automatic speed variator according to claim 8, it is characterized in that: also comprise the power output wheel drive sleeve (34) that is enclosed within the supporting sleeve cylindrical, power output wheel drive sleeve (34) right-hand member is fixedlyed connected at circumferencial direction with driving sleeve (28) by driving sleeve right bearing filler ring (32), left end is fixedly connected with power output wheel (20), power output wheel (20) interior justify with the supporting sleeve cylindrical between cooperate by needle bearing (24); Described power output wheel (20) is a sprocket wheel.
10. middle planetary gear two-shift automatic speed variator according to claim 9 is characterized in that: cooperate by the 4th annular bearing with rolling contact (53) between described planet pin (7) and the planetary pinion (8); Be rotatably assorted by teflon axle sleeve (57) between right driving sleeve bearing filler ring (32) and the supporting sleeve (12);
Axially straight trough is uniform on circumference for described speed change cirque body cam chair (27) or speed change cirque body axial end impeller (361) and driving sleeve (28), speed change rolling element (35) is a ball, the radial cross section of the axial straight trough of corresponding speed change cirque body cam chair (27) or speed change cirque body axial end impeller (361) and driving sleeve (28) is a circular arc, and the speed change ball is provided with retainer between (35); The cam slot circumferencial direction of described speed change cirque body axial cam (362) is uniform, and the pin-and-hole circumferencial direction on the corresponding speed change cirque body cam chair (27) is uniform, and the radial cross section of the fast retaining radial cams groove (28b) on the driving sleeve (28) is a lineal shape;
Described planet pin (7) is uniform on planetary pinion (8) revolution circumference; Described external toothing (6) is connected with a joggle by annular engagement cover (41) with the fast drive sleeve (48) of keeping off, and annular meshes in cover (41) cylindrical and planet carrier (10) revolution and cooperates by planet carrier roller (52) rolling between the circle.
11. middle planetary gear two-shift automatic speed variator according to claim 10 is characterized in that: described fast retaining push rod (45) radial cross section is a T shape, and fast retaining engagement roller ring (44) engagement through hole radial cross section should be T shape with it relatively.
12. middle planetary gear two-shift automatic speed variator according to claim 11, it is characterized in that: described power plant are motor, motor left end cap (4) and right end cap (9) are fixedly connected on rotor (5) both sides respectively, cooperate with stationary axle (1) rolling by the 5th radial bearing (56) and first radial bearing (54), the stator of motor (51) is arranged in the rotor chamber of motor left end cap (4) and right end cap (9) and rotor (5) formation; Be provided with location axle sleeve (50) between first radial bearing (54) and second radial bearing (49), external tooth figure (6) Spielpassung is enclosed within location axle sleeve (50) cylindrical, and left end and motor right end cap (9) are connected with a joggle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100926522A CN101377228B (en) | 2007-08-31 | 2007-08-31 | Middle arranging type planetary gear two-shift automatic speed variator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100926522A CN101377228B (en) | 2007-08-31 | 2007-08-31 | Middle arranging type planetary gear two-shift automatic speed variator |
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| CN101377228A CN101377228A (en) | 2009-03-04 |
| CN101377228B true CN101377228B (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100926522A Active CN101377228B (en) | 2007-08-31 | 2007-08-31 | Middle arranging type planetary gear two-shift automatic speed variator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102996676B (en) * | 2012-12-16 | 2014-11-19 | 郭克亚 | Frictional self-adaptive torque-limiting clutch and two-gear conversion device |
| DE102013202013A1 (en) * | 2013-02-07 | 2014-08-07 | Robert Bosch Gmbh | Drive system for rear wheel of two-wheeler, has drive motor, rear wheel arranged on rear wheel swing arm, and chain or toothed belt coupling for providing reduction ratio and transmitting drive torque on rear wheel |
| CN109787394A (en) * | 2017-11-15 | 2019-05-21 | 天津职业技术师范大学 | A kind of driving motor for electric automobile |
| CN110030342B (en) * | 2019-04-18 | 2022-06-03 | 西南大学 | Mechanical double-overrunning clutch self-adaptive automatic transmission with planetary system output |
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| US5845727A (en) * | 1995-06-14 | 1998-12-08 | Seiko Epson Corporation | Driving force auxiliary device |
| CN1627053A (en) * | 2003-12-13 | 2005-06-15 | 西南师范大学 | Cam traction type displacement transmission device for sensing angle of rotate speed of mechanical torque |
| JP2005225489A (en) * | 2005-03-07 | 2005-08-25 | Moric Co Ltd | Drive for motor-driven bicycle |
| CN2827840Y (en) * | 2005-05-23 | 2006-10-18 | 西南师范大学 | Hall differential adaptive transmitting sensing linkage of motorcycle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5845727A (en) * | 1995-06-14 | 1998-12-08 | Seiko Epson Corporation | Driving force auxiliary device |
| CN1627053A (en) * | 2003-12-13 | 2005-06-15 | 西南师范大学 | Cam traction type displacement transmission device for sensing angle of rotate speed of mechanical torque |
| JP2005225489A (en) * | 2005-03-07 | 2005-08-25 | Moric Co Ltd | Drive for motor-driven bicycle |
| CN2827840Y (en) * | 2005-05-23 | 2006-10-18 | 西南师范大学 | Hall differential adaptive transmitting sensing linkage of motorcycle |
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