CN102734350A - Mechanical intelligent self-adaptation automatic clutch - Google Patents
Mechanical intelligent self-adaptation automatic clutch Download PDFInfo
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- CN102734350A CN102734350A CN2012102012108A CN201210201210A CN102734350A CN 102734350 A CN102734350 A CN 102734350A CN 2012102012108 A CN2012102012108 A CN 2012102012108A CN 201210201210 A CN201210201210 A CN 201210201210A CN 102734350 A CN102734350 A CN 102734350A
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Abstract
The invention discloses a mechanical intelligent self-adaptation automatic clutch, which comprises a transmission shaft, a low-gear transmission mechanism, a torus axial outer cone sleeve and a torus axial inner cone sleeve, wherein the torus axial outer cone sleeve is sleeved outside the transmission shaft and is transmitted through a spiral cam pair; lubrication grooves are respectively arranged on an axial inner cone face of the torus axial inner cone sleeve or/and an axial outer cone face of the torus axial outer cone sleeve; and each lubricating groove is provided with an oil inlet port and an oil outlet port. The mechanical intelligent self-adaptation automatic clutch has all advantages of the existing cam self-adaptation automatic variable-speed gear, and is provided with sufficient lubricating oil on an adjoining plane; wet-type clutching is realized; the flexibility in a gear shifting process can be ensured; the sudden jerks and the jams when the gear is shifted are eliminated; simultaneously, the lubricating oil can form a cycle in a lubricating oil channel so as to have a certain flushing effect and a better radiating effect; and the aims of prolonging the service life, improving the riding comfortableness, further saving energy and reducing consumption, and greatly improving dynamic property, economic performance, driving safety and comfortableness of vehicles are realized.
Description
Technical field
The present invention relates to a kind of Vehicular hub, particularly a kind of mechanical intelligence self-adapting automatic clutch.
Background technique
In the existing technology, automobile, motorcycle, electric bicycle all are directly to control closure or Current Control speed through speed-regulating handle or accelerator pedal basically, or adopt manual mechanical automatic transmission mode to realize clutch speed-changing.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 the stall phenomenon appears in causes motor or motor fluctuation of service.
Motor Vehicle by rider under the situation of not knowing running resistance; The speed change gear that only rule of thumb controls; Have following problem unavoidably: 1. when startup, upward slope and heavy load, because running resistance increases, force motor or engine speed to descend in the work of poor efficiency district.2. owing to do not have mechanical transmission adjustment moment of torsion and speed, can only promote the use of, can not satisfy under mountain area, hills and the heavy load conditions and use, dwindle using scope in the plains region; 3. driving wheel place installing space is little, has installed to be difficult to hold automatic transmission and other new technology behind motor or the motor again; 4. do not possess adaptive function, can not detect, revise and get rid of driver's error in operation automatically; 5. change when unexpected in the speed of a motor vehicle, must cause motor or engine power and running resistance to be difficult to coupling.6. continuing, distance is short, grade ability is poor, and accommodation is little.
In order to overcome the above problems; The application inventor has invented a series of cam self-adapting automatic gear shifting device; Utilize the running resistance driving cam, reach self shifter and, have effect preferably according to the purpose of running resistance Adaptive matching speed of a motor vehicle output torque; Though aforesaid cam self-adapting automatic gear shifting device has above-mentioned advantage; Stability and high efficiency improve a lot than existing technology; But the part component structural is comparatively complicated, and the speed changer volume is bigger, simultaneously; Owing to adopted a plurality of cams (same circumference) structure, stability is still not ideal enough; And, influence the smoothness of self shifter process through having bite in the cam clutch process; Though on working life, increase,, still have room for improvement working life according to structural analysis than existing technology.
Therefore; Need a kind of clutch mechanism to improve, not only can self adaption do not cut off under the situation of driving force and carry out clutch shifting automatically, solve that moment of torsion-rotation speed change is little can not to satisfy the problem that road uses under the complex conditions with the change in resistance of going to above-mentioned cam self-adapting automatic gear shifting device; Stationarity is good; Further increase work efficiency, have better energy conservation and consumption reduction effects, and reduce volume; Simultaneously, the smooth and easy no bite of clutch procedures is quick on the draw, and practices thrift driving source, cuts down the consumption of energy, and further improves working life, is applicable to that motor vehicle use.
Summary of the invention
In view of this; The purpose of this invention is to provide a kind of mechanical intelligence self-adapting automatic clutch, not only can self adaption do not cut off under the situation of driving force and carry out clutch shifting automatically, solve that moment of torsion-rotation speed change is little can not to satisfy the problem that road uses under the complex conditions with the change in resistance of going; Stationarity is good; Further increase work efficiency, have better energy conservation and consumption reduction effects, and reduce volume; Simultaneously, the smooth and easy no bite of clutch procedures is quick on the draw, and practices thrift driving source, cuts down the consumption of energy, and further improves working life, is applicable to that motor vehicle use.
Mechanical intelligence self-adapting automatic clutch of the present invention comprises the transmission shaft that outputs power, and also comprises the mechanical intelligence self adaption clutch assembly that is arranged on the transmission shaft;
Mechanical intelligence self adaption clutch assembly comprises the axial external conical sleeve of cirque body, the axial inner conical drogue of cirque body and elastic element;
The axial inner conical drogue of said cirque body is used to import power, and the axial inner conical drogue of cirque body is provided with axial inner conical surface and is coated at the axial external conical sleeve of cirque body, and the axial external conical sleeve of cirque body is provided with the axial male cone (strobilus masculinus) that matches with the axial inner conical surface of the axial inner conical drogue of cirque body; The axial external conical sleeve of said cirque body is coated at transmission shaft and cooperates through the auxiliary driving of main transmission cam with it;
Elastic element applies the pretightening force of the inner conical surface applying transmission that makes its male cone (strobilus masculinus) and the axial inner conical drogue of cirque body to the axial external conical sleeve of cirque body; When said transmission shaft power was exported, main transmission cam pair applied the axial thrust load opposite with the elastic element pretightening force to the axial external conical sleeve of cirque body; The axial inner conical surface of the axial inner conical drogue of said cirque body or be provided with oil groove with the axial male cone (strobilus masculinus) of the axial external conical sleeve of cirque body, this oil groove is provided with and is used for oil-feed and fuel-displaced port.
Further; The axial male cone (strobilus masculinus) of the axial external conical sleeve of said cirque body is provided with oil groove, and said oil groove is left-handed and right hand helix shape interleaved discs and is around in axial male cone (strobilus masculinus) and its port and is coiled in axial male cone (strobilus masculinus) two ends with right hand helix and forms naturally by oil groove is left-handed;
Further; Said transmission shaft is provided with free wheel device; The inner ring of free wheel device is rotatably assorted and is coated at transmission shaft; The inner ring of said free wheel device surmounts between the power of transmission shaft output sense of rotation and outer ring, is provided with the intermediate cam cover between the axial external conical sleeve of the inner ring of said free wheel device and cirque body, described intermediate cam cover two ends corresponding respectively through cam-engaged secondary with keep off inner ring and the cirque body axial external conical sleeve transmission of power slowly and cooperate by free wheel device;
Further, the cam-engaged pair at intermediate cam cover two ends is the end cam engagement pair, and the shape line lift angle of its end cam all varies in size smaller or equal to the shape line lift angle of 45 ° and intermediate cam cover two ends end cam;
Further, said free wheel device is the spring-piece type free wheel device, comprises roller and retainer, is formed for the engaging groove that meshes or separate with roller between the outer ring of free wheel device and the inner ring; Said retainer comprises support plate, supporting post and reed; Said supporting post is corresponding one by one with roller; Said support plate is arranged at supporting post and between support plate and supporting post outer surface, forms slot in the circumferencial direction secure fit; Said reed is provided with the embedding part that embeds slot, and reed extends slot and along the engagement direction of engaging groove roller applied pretightening force, and said slot is provided with reed owing to roller applied the distortion allowance of resiliently deformable that pretightening force produces;
Further, said embedding part is provided with pressure-bearing portion, and said support plate is provided with pressure-bearing portion applied and makes embedding part embed the pressure of slot and limit embedding part from pressing portion that slot is deviate from;
Further, said pressure-bearing portion is formed in one in embedding part and outward extending elastic piece structure, and pressure-bearing portion forms the pressure-bearing section to the bending of pressing portion, and pressing portion forms superimposed in pressure-bearing section outer surface and pressing section that the pressure-bearing section is exerted pressure to the bending of pressure-bearing portion;
Further, circle is provided with the internal spiral cam in the axial external conical sleeve of cirque body, and transmission shaft is provided with the external spiral cam that matches with the internal spiral cam and forms the spiral prominence wheel set jointly;
Further; Said elastic element is the speed change butterfly spring that is coated at transmission shaft; Said speed change butterfly spring and free wheel device are respectively in the axial both sides of the axial external conical sleeve of cirque body; Speed change butterfly spring is coated at transmission shaft successively through being slidingly matched speed change axle sleeve and speed change plane bearing withstand axial external conical sleeve one axial end portion of cirque body, and another axial end portion of the axial external conical sleeve of cirque body cooperates through corresponding end cam auxiliary driving with the intermediate cam cover;
Further, said speed change butterfly spring is arranged on the right side of the axial external conical sleeve of cirque body, and free wheel device is positioned at the axial external conical sleeve of cirque body left side; The expansion direction of the internal spiral cam of the axial external conical sleeve of said cirque body and the external spiral cam of transmission shaft is identical with transmission shaft power output sense of rotation from left to right; The inner ring of said intermediate cam cover two ends and free wheel device and the axial external conical sleeve of cirque body are provided with end cam respectively and through the end cam formation end cam engagement pair of intermeshing; The inner ring of intermediate cam cover two ends and free wheel device and the end cam line of contact expansion direction of the axial external conical sleeve of cirque body are opposite with transmission shaft power output sense of rotation from left to right.
The invention has the beneficial effects as follows: mechanical intelligence self-adapting automatic clutch of the present invention; Whole advantages with existing cam self-adapting automatic clutch device; If can detect driving torque-rotating speed and running resistance-GES according to running resistance; Make motor or engine output 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, self adaption is carried out clutch and gearshift automatically with the change in resistance of going under the situation of not cutting off driving force; Can satisfy under mountain area, hills and the heavy load conditions and use, it is mild that motor or engine load are changed, and motor vehicle operate steadily, and improve Security;
Simultaneously, the clutch structure that the present invention adopts the conical surface to fit, and faying surface is provided with oil leab; The mating face has sufficient lubricating oil, realizes the wet type clutch, can guarantee the sensitivity in shift process; Eliminate gearshift pause and transition in rhythm or melody sense and bite sense, simultaneously, lubricant oil can form circulation in oil leab; Have certain flushing effect and better radiating effect, reach and increase the service life, improve ride comfort; Further save energy and reduce the cost, improve the purpose of power character, Economy, drive safety and the travelling comfort of vehicle greatly.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Fig. 1 is an axial section structural representation of the present invention;
Fig. 2 is the axial external conical sleeve structure schematic representation of cirque body;
Fig. 3 is the inner ring structural representation of free wheel device;
Oil duct structural representation on the axial external conical sleeve conical surface of Fig. 4 cirque body;
Fig. 5 is an intermediate cam nested structure schematic representation;
Fig. 6 launches schematic representation for the cam at intermediate cam cover two ends;
Fig. 7 is the free wheel device structural representation;
Fig. 8 is that supporting post, support plate and reed cooperate schematic representation;
Fig. 9 is the reed structure schematic representation;
Figure 10 is the axial broken section structural representation of free wheel device.
Embodiment
Fig. 1 is an axial section structural representation of the present invention, and Fig. 2 is the axial external conical sleeve structure schematic representation of cirque body, and Fig. 3 is the inner ring structural representation of free wheel device, oil duct structural representation on the axial external conical sleeve conical surface of Fig. 4 cirque body; Fig. 5 is an intermediate cam nested structure schematic representation; Fig. 6 launches schematic representation for the cam at intermediate cam cover two ends; Fig. 7 is the free wheel device structural representation; Fig. 8 is that supporting post, support plate and reed cooperate schematic representation; Fig. 9 is the reed structure schematic representation; Figure 10 is the axial broken section structural representation of free wheel device; As shown in the figure: mechanical intelligence self-adapting automatic clutch of the present invention, comprise the transmission shaft 1 (such as wheel or machine tool chief axis etc.) that outputs power, also comprise the mechanical intelligence self adaption clutch assembly that is arranged on the transmission shaft; As shown in the figure, transmission shaft 1 two ends are respectively equipped with annular bearing with rolling contact 4 and annular bearing with rolling contact 13, the installation of being convenient to be rotatably assorted; As shown in the figure, transmission shaft 1 transmission cooperation is provided with the middleware 3 that is used to output power, and middleware 3 cooperates through the spline transmission with transmission shaft 1;
Mechanical intelligence adaptive rate assembly comprises the axial external conical sleeve of cirque body 14, the axial inner conical drogue 17 of cirque body and elastic element 25;
The axial inner conical drogue 17 of said cirque body is used to import power, such as cooperating with the power output part transmission of motor equal power device; The axial inner conical drogue 17 of cirque body is provided with axial inner conical surface and is coated at the axial external conical sleeve 14 of cirque body; The axial external conical sleeve 14 of cirque body is provided with the axial male cone (strobilus masculinus) that matches with the axial inner conical surface of the axial inner conical drogue of cirque body; Cooperate transmission through the tapered sleeve structure; Inner conical surface and male cone (strobilus masculinus) one of at least need have certain roughness, belongs to those skilled in the art and can know according to this record, repeats no more at this; The axial external conical sleeve 14 of said cirque body is coated at transmission shaft 1 and interior circle is provided with internal spiral cam 14a, and transmission shaft 1 is provided with the external spiral cam 1a that matches with the internal spiral cam and forms the spiral prominence wheel set jointly; The spiral prominence wheel set is the worm structure that cooperatively interacts; When the axial external conical sleeve 14 of cirque body rotates; Through the spiral prominence wheel set transmission shaft 1 is produced axially and two component of circumferencial direction; Wherein circumferencial direction component drives transmission shaft 1 and rotates also outputting power, and axial thrust load is offset by the mounting structure of transmission shaft 1, and its reaction force acts is in the axial external conical sleeve 14 of cirque body and put on elastic element 25; Certainly, the spiral prominence wheel set is the preferred structure of present embodiment, also can adopt the secondary driving of existing other cam, such as end cam or the like; But the spiral prominence wheel set can make this structure more compact, make, install and keep in repair more convenient, and helix structure stable drive; Stressed evenly have unrivaled stability and smoothness, further increases work efficiency; Have better energy conservation and consumption reduction effects, bigger control vehicular discharge is applicable to that lighter roadsters such as two-wheel vehicle use;
The axial external conical sleeve 14 of 25 pairs of cirque body of elastic element applies the pretightening force of the inner conical surface applying transmission that makes its male cone (strobilus masculinus) and the axial inner conical drogue 17 of cirque body; When said transmission shaft 1 power was exported, the spiral prominence wheel set applied and the opposite axial thrust load of elastic element 25 pretightening forces the axial external conical sleeve 14 of cirque body; That is to say; The rotation direction of the spiral cam of spiral prominence wheel set is relevant with the power of transmission shaft output sense of rotation; Those skilled in the art are according to above-mentioned record; Under the prerequisite of learning transmission shaft power outbound course, can learn that which kind of rotation direction of spiral cam can apply the axial thrust load of which kind of direction, repeats no more at this;
The axial inner conical surface of the axial inner conical drogue 17 of cirque body or be provided with oil groove with the axial male cone (strobilus masculinus) of the axial external conical sleeve 14 of cirque body, this oil groove is provided with the port that communicates with cabinets cavity; This oil groove does not need other fuel feeding, directly utilizes the lubricant oil in the casing can realize lubricating; Port be generally positioned at the axial inner conical drogue of cirque body axial inner conical surface or with the axial end portion of the axial male cone (strobilus masculinus) of the axial external conical sleeve of cirque body, be beneficial to formation circulating lubrication.
In the present embodiment; The axial male cone (strobilus masculinus) of the axial external conical sleeve 14 of said cirque body is provided with oil groove 9, and said oil groove 9 is left-handed and right hand helix shape interleaved discs and is around in axial male cone (strobilus masculinus) and its port and is coiled in axial male cone (strobilus masculinus) two ends with right hand helix and forms naturally by oil groove 9 is left-handed; As shown in Figure 4, oil groove 9 be left-handed and right hand helix shape interleaved discs around, be circuitous coiled state; And the port of oil groove 9 blocks formation naturally at the two ends of axial male cone (strobilus masculinus), owing to form the coiled coil structure, and port is positioned at axial two ends; When axial external conical sleeve 14 high-speed rotation of cirque body; One port utilizes centrifugal force in oil groove 9, to produce vacuum, and the another port then utilizes rotation to meet to lubricant oil and through vacuum lubricant oil is introduced oil groove 9 from the port outflow, forms the circulation of lubricant oil; Form the flushing effect, be beneficial to and take away impurity and heat; This circulation just not only makes and keeps clean between axial inner conical drogue 17 of cirque body and the axial external conical sleeve 14 of cirque body; Also be beneficial to and throw off and keep good relative movement when the two separates rapidly when keeping off transmission slowly; The generation of the heat of reducing friction is beneficial to the good running state that keeps entire mechanism.
In the present embodiment, transmission shaft 1 is provided with free wheel device, and the inner ring 16 of free wheel device is rotatably assorted and is coated at transmission shaft 1, and is as shown in the figure, and the surface that transmission shaft 1 cooperates with inner ring 16 is provided with oil groove 7, guarantees the flexibility of rotating; The inner ring 16 of said free wheel device is exported between sense of rotation and the outer ring 15 at the power of transmission shaft 1 and is surmounted, and when engaging with the axial inner conical drogue 17 of axial external conical sleeve 14 of assurance cirque body and cirque body, free wheel device surmounts; The outer ring 15 of free wheel device is used to import the power of retaining slowly than jogging speed, will keep off power slowly through intermediate cam cover 6 between the axial external conical sleeve 14 of the inner ring 16 of said free wheel device and cirque body and be passed to the axial external conical sleeve 14 of cirque body by the inner ring 16 of free wheel device; The cam-engaged pair that intermediate cam is overlapped 6 two ends is the end cam engagement pair; And the shape line lift angle that intermediate cam is overlapped the secondary end cam of the cam-engaged at 6 two ends all varies in size smaller or equal to the shape line lift angle that 45 ° and intermediate cam are overlapped 6 two ends end cams; As shown in the figure; The end cam that intermediate cam is overlapped 6 two ends is respectively end cam 6a and end cam 6b, forms the end cam engagement pair with the end cam of the inner ring 16 of free wheel device and the end cam engagement of the axial external conical sleeve 14 of cirque body respectively; Intermediate cam cover 6 carry out than jogging speed keep off transmission slowly in also the axial external conical sleeve 14 of cirque body is applied axial force and makes elastic element 25 compressions; Keep separating of axial external conical sleeve 14 of cirque body and the axial inner conical drogue 17 of cirque body, guarantee not interfered than the transmission of retaining slowly of jogging speed; End cam is beneficial to and reduces radial dimension, is applicable to that dilly uses; End cam shape line lift angle is beneficial to less than 45 ° and forms enough big axial thrust load and circumferential driving force, and can avoid bite; The shape line lift angle that intermediate cam is overlapped 6 two ends end cams varies in size; That is to say; Big another lift angle of lift angle is little, as shown in the figure, with the lift angle α of the end cam 6a of the end cam engagement of the inner ring 16 of free wheel device less than with the lift angle β of the end cam 6a of the end cam engagement of the axial external conical sleeve 14 of cirque body; The circumferential driving force of the assurance of lift angle β, and the assurance circumferential misalignment of lift angle α and realize that sensitive axis to the axial external conical sleeve 14 of cirque body is to driving.
In the present embodiment, said free wheel device is the spring-piece type free wheel device, comprises roller 19 and retainer, is formed for the engaging groove that meshes or separate with roller between the outer ring 15 of free wheel device and the inner ring 16; Said retainer comprises support plate 26, supporting post 22 and reed 20; Said supporting post 22 is corresponding one by one with roller 19; Said support plate 26 is arranged at supporting post 22 and between support plate 26 and supporting post 22 outer surfaces, forms slot 27 in the circumferencial direction secure fit; Said reed 20 is provided with the embedding part 20a that embeds slot 27; Reed 20 extends slot 27 and along the engagement direction of engaging groove roller 19 is applied pretightening force, and said slot 27 is provided with reed 20 owing to roller 19 applied the distortion allowance of resiliently deformable that pretightening force produces; The free wheel device of this structure is avoided on outer ring 15, directly processing position limit socket, simplifies course of working, increases work efficiency; Cut down finished cost, guarantee processing and assembly precision, and be different from the structure of concentrating immovable point in the existing technology; Do not adopt the fixed structure of spot welding, the consequence that metallographic structure changes can not take place, eliminated since the engagement of free wheel device with to separate the stress that the elasticity of spring leaf distortion causes concentrated; And make reed 20 have freedom of movement preferably; Thereby can improve the consequently service life of whole free wheel device of reed 20, reed can reach the resiliently deformable that has pretightening force more than 5,000,000 times, reduces greatly and uses and maintenance cost; Associated components of the present invention damages the back and changes easily, and outer ring 15 does not need integral body to scrap, and reduces maintenance and user cost; Owing to adopt the retainer structure beyond the outer ring 15; The axial length that can theory unlimited prolongs free wheel device and roller 19, the increase length of action that is to say; Can increase the axial length of free wheel device according to the load-bearing needs; Thereby increase the bearing capacity of free wheel device, and reduce to prolong the working life of free wheel device than the free wheel device radial dimension under the high bearing capacity; Simultaneously; Because reed is for distribute vertically; Thereby can carry out multiple spot to roller as required and apply pretightening force, guarantee than major axis spacing balance to roller under the prerequisite of size, make it not depart from parallel with inner ring axis; Thereby guarantee the stable operation of free wheel device, avoid mechanical failure;
As shown in the figure; Said support plate 26 is along circumferentially being wrapped in supporting post 22 and setting and hold pretightening force tightly; The cross section of said supporting post 22 is circumferentially non-circular in relative rotation for limiting support plate 26, forms slot 27 between a side of support plate 26 and supporting post 22 1 side surfaces; The cross section of supporting post 22 adopts polymorphic structure, and support plate 26 can limit it along circumferentially rotating after being wrapped in supporting post 22, and is simple in structure; Enforcement, easy accessibility utilize non-circular structure to limit the circumferential movement of support plate 26, form comparatively stable slot 27 structures; For the installation of reed 20 provides condition; Do not need other mechanical fixed structure, avoid guaranteeing its working life because structures such as spot welding form the mechanical force to reed; As shown in the figure, the polymorphic structure of supporting post 22 cross sections for constituting by circular arc and straight line, and support plate 26 is wrapped in the polymorphic structure periphery, makes it not have condition in relative rotation.
In the present embodiment, said embedding part 20a is provided with the 20b of pressure-bearing portion, and said support plate 26 is provided with the 20a of pressure-bearing portion applied and makes embedding part 20a embed the pressure of slot 27 and limit embedding part 20a from the 26a of pressing portion that slot is deviate from; Guarantee when avoiding embedding part 20a to deviate from that reed 20 has degrees of freedom swing preferably, prolongs its working life.
In the present embodiment; The said pressure-bearing 20b of portion is formed in one in embedding part 20a and outward extending elastic piece structure; The 20b of pressure-bearing portion forms pressure-bearing section 20c to the 26a of pressing portion bending, and the 26a of pressing portion forms superimposed in pressure-bearing section 20c outer surface and pressing section 26b that pressure-bearing section 20c is exerted pressure to the 20b of pressure-bearing portion bending; This pressure makes embedding part be embedded in slot 27, forms to stablize embedded structure; As shown in the figure, the rounding off structure is adopted in bending, avoids stress to concentrate; Directly slip into through external force during installation and the pressure-bearing section is superimposed in the pressing section, utilize pressure-bearing section self elasticity to form insertion force, simple in structure; Easy for installation, can't produce bigger distortion and stress and concentrate.
As shown in the figure; Said retainer also comprises pushing out ring I18 and pushing out ring II 24; Said pushing out ring I 18 and pushing out ring II 15 axial two ends, 24 apportion outer rings and with outer ring 15 in the circumferencial direction secure fit; Said supporting post 4 two ends correspondence respectively are supported in pushing out ring I 18 and pushing out ring II 24, supporting post 22 in self circumferencial direction and pushing out ring I 18 or/and pushing out ring II 24 secure fit; After the assembling, pushing out ring I 18 and pushing out ring II 24 can be passed through screw, riveted fixing in the outer ring 15, also can be fixed in outer ring 15 to its axial limiting through other parts; As shown in the figure, supporting post 22 is parallel to roller 19; Engaging groove engagement direction is the direction that engaging groove shoals gradually, the direction that the engagement space of engaging groove and inner ring 16 cylindricals formation just narrows down gradually; The elasticity of reed 20 enough avoids roller oppositely to mesh when free wheel device surmounts; As shown in the figure; Said supporting post 22 axial ends form flat axle and penetrate the structure of the flat hole of pushing out ring I 18 with formation circumferencial direction secure fit through flat axle correspondence; Simple in structure, realize easily, and owing to form the shaft shoulder between flat axle and supporting post 22 bodies; Thereby better positioning effect is arranged, be beneficial to assembling and keep running state preferably; The supporting post 22 axial the other ends pass the circular hole on the pushing out ring II 24, and the end that supporting post passes the circular hole on the pushing out ring II forms conical head, and the conehead structure has adaptability preferably, is beneficial to penetrate assembling, increases work efficiency.
Said pushing out ring I 18 is all processed sliding bearing structure with pushing out ring II 24; As shown in the figure; 15 axial two ends, said outer ring form deep gouge (deep gouge 15a as shown in the figure and deep gouge 15b) respectively; The radial groove (radial groove 15a and radial groove 15b) at 15 axial two ends, said outer ring is arranged at circle in the corresponding deep gouge cell wall respectively; Said pushing out ring I 18 and the corresponding respectively deep gouge that embeds of pushing out ring II 24; Pushing out ring I 18 is respectively equipped with pushing out ring II 24 and is used for the corresponding radial protrusion (radial protrusion 18a and radial protrusion 24a) that embeds radial groove (radial groove 15a and radial groove 15b); The radial protrusion (radial protrusion 18a and radial protrusion 24a) of pushing out ring I 18 and pushing out ring II 24 and corresponding radial groove (radial groove 15a and radial groove 15b) over against, push vertically and get final product; It is stable with assembling between outer ring 15 and inner ring 16, to form the compact structure that supports and be beneficial to the maintenance retainer, can not disturb because of external force to come off; Simultaneously, be beneficial to stable operation between outer ring and the inner ring.
In the present embodiment; Said elastic element 25 is for being coated at the speed change butterfly spring of transmission shaft 1; The inner ring 16 of said speed change butterfly spring and free wheel device is respectively in the axial both sides of the axial external conical sleeve 14 of cirque body; Speed change butterfly spring is coated at transmission shaft 1 through being slidingly matched speed change axle sleeve 21 withstands axial external conical sleeve 14 1 axial end portions of cirque body, and axial external conical sleeve 14 another axial end portions of cirque body cooperate through corresponding end cam auxiliary driving with intermediate cam cover 6; Simple in structure, arrangement space is little, utilizes the transfer route reasonable Arrangement parts of power, makes the present invention more be applicable to the use of less space.
In the present embodiment, said speed change butterfly spring is arranged on the right side of the axial external conical sleeve 14 of cirque body, and free wheel device is positioned at the axial external conical sleeve of cirque body 14 left sides; The expansion direction of the internal spiral cam of the axial external conical sleeve 14 of said cirque body and the external spiral cam of transmission shaft 1 is identical with transmission shaft power output sense of rotation from left to right; The inner ring 16 that said intermediate cam is overlapped 6 two ends and free wheel device is provided with end cam respectively with the axial external conical sleeve 14 of cirque body and intermeshes through end cam and forms the end cam engagement pair; As shown in the figure; Slowly keep off driving gear 10 and be rotatably assorted and be coated at intermediate cam cover 6, axial inner conical drogue 17 cylindricals of cirque body through annular bearing with rolling contact 23 in casing 3; The end cam 16a of the inner ring 16 of free wheel device, the end cam 14b of the axial external conical sleeve 14 of cirque body cooperates between end cam 14b and end cam 16a and the intermediate cam cover 6 to form the end cam pair, is used for transmission; As shown in the figure; Inner ring 16 cylindricals of free wheel device are positioned at the free wheel device right side and are provided with annular boss; This annular boss is provided with plane bearing 8 and limited ring 11 successively with keeping off driving gear 10 slowly, and it is carried out axial limiting, and inner ring 16 left ends of free wheel device are provided with plane bearing 11; And through machinery realization is installed and locatees, reach its more stable axial limiting; The end cam line of contact expansion direction of inner ring 16 and the axial external conical sleeve 14 of cirque body that intermediate cam is overlapped 6 two ends and free wheel device is opposite with transmission shaft power output sense of rotation from left to right.
Above embodiment is an optimum structure of the present invention, is not the qualification to protection domain of the present invention; The scheme of adjustment to some extent on Placement, and do not influence the realization of this goal of the invention.
The power transmission line of present embodiment:
External spiral cam 1a → transmission shaft 1 output of the internal spiral cam 14a → transmission shaft 1 of the axial external conical sleeve of the axial external conical sleeve 14 → cirque body of the axial inner conical drogue 17 → cirque body of power → cirque body;
Free wheel device has slower speed input, thereby is surmounted, and the resistance transfer route: the axial external conical sleeve 14 of internal spiral cam 14a → cirque body of the axial external conical sleeve of external spiral cam 1a → cirque body of transmission shaft 1 → transmission shaft 1 → compression speed change butterfly spring; The external spiral cam 1a of transmission shaft through transmission shaft 1 applies axial force and compresses speed change butterfly spring the internal spiral cam 14a and the axial external conical sleeve 14 of cirque body of the axial external conical sleeve of cirque body; When running resistance is increased to one regularly; This axial force speed change butterfly spring; The axial inner conical drogue 17 of cirque body is separated with the axial external conical sleeve 14 of cirque body, and slower speed is imported from free wheel device, the free wheel device engagement driving:
External spiral cam 1a → transmission shaft 1 output of the internal spiral cam 14a → transmission shaft 1 of the axial external conical sleeve of outer ring 15 → free wheel device inner ring, 16 → intermediate cam cover axial external conical sleeve 14 → cirque body of 6 → cirque body of free wheel device.
Also there is following power path simultaneously: the axial external conical sleeve 14 of intermediate cam cover 6 → cirque body → compression speed change butterfly spring; Prevent to keep off slowly the past compound compression of appearance compression speed change butterfly spring in the transmission process, thereby prevent axial external conical sleeve 14 applyings of axial inner conical drogue 17 of cirque body and cirque body.
Have above-mentioned transfer route to find out, the present invention is when operation, and the male cone (strobilus masculinus) of the inner conical surface of the axial inner conical drogue 17 of cirque body and the axial external conical sleeve 14 of cirque body fits tightly under the effect of speed change butterfly spring; Form a driving mechanism that keeps certain pressure; And can adjust the required pressure of clutches engaged through the axial thickness that increases speed change axle sleeve 21, reach the transmission purpose, at this moment; Power drives the axial external conical sleeve of the axial inner conical drogue of cirque body 17, cirque body 14, transmission shaft 1, outputs power; Slowly keeping off free wheel device this moment is in and surmounts state.
Resistance is greater than driving force during startup, and resistance forces transmission shaft 1 and the opposite direction of power output to turn an angle, under the effect of the external spiral cam 1a of transmission shaft 1, and the axial external conical sleeve 14 compression speed change butterfly springs of cirque body; The axial external conical sleeve 14 of cirque body separates with the axial inner conical drogue 17 of cirque body; Synchronously; Input to than jogging speed and to keep off free wheel device (input mode can realize by intermediate reduction gear mechanism through the axial inner conical drogue 17 of cirque body) slowly; And engagement, power drives outer ring 15, inner ring 16, intermediate cam cover 6, the axial external conical sleeve 14 of cirque body and the transmission shaft 1 of free wheel device, makes wheel 5 with retaining speed rotation slowly; Therefore, realize low retaining starting automatically, shortened the starting time, reduced starting force.Meanwhile, speed change butterfly spring 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 the pressure that speed change butterfly spring produced; Discharge promotion rapidly down because of the compression of passive movement resistance produces speed change butterfly spring pressure, accomplish the male cone (strobilus masculinus) of the axial external conical sleeve 14 of cirque body and the inner conical surface of the axial inner conical drogue 17 of cirque body and recover to fit tightly state, free wheel device is in and surmounts state.
In the running process,, under the situation that need not cut off driving force, realize clutch shifting, make whole locomotive operation steady along with the variation self shifter principle of resistance to motion is the same, safe and low consumption, and also transfer route is oversimplified the raising transmission efficiency.
Explanation is at last; Above embodiment is only unrestricted in order to technological scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technological scheme of the present invention; And not breaking away from the spirit and the scope of technological scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. a mechanical intelligence self-adapting automatic clutch comprises the transmission shaft that outputs power, and it is characterized in that: also comprise the mechanical intelligence self adaption clutch assembly that is arranged on the transmission shaft;
Mechanical intelligence self adaption clutch assembly comprises the axial external conical sleeve of cirque body, the axial inner conical drogue of cirque body and elastic element;
The axial inner conical drogue of said cirque body is used to import power, and the axial inner conical drogue of cirque body is provided with axial inner conical surface and is coated at the axial external conical sleeve of cirque body, and the axial external conical sleeve of cirque body is provided with the axial male cone (strobilus masculinus) that matches with the axial inner conical surface of the axial inner conical drogue of cirque body; The axial external conical sleeve of said cirque body is coated at transmission shaft and cooperates through the auxiliary driving of main transmission cam with it;
Elastic element applies the pretightening force of the inner conical surface applying transmission that makes its male cone (strobilus masculinus) and the axial inner conical drogue of cirque body to the axial external conical sleeve of cirque body; When said transmission shaft power was exported, main transmission cam pair applied the axial thrust load opposite with the elastic element pretightening force to the axial external conical sleeve of cirque body; The axial inner conical surface of the axial inner conical drogue of said cirque body or be provided with oil groove with the axial male cone (strobilus masculinus) of the axial external conical sleeve of cirque body, this oil groove is provided with and is used for oil-feed and fuel-displaced port.
2. mechanical intelligence self-adapting automatic clutch according to claim 1; It is characterized in that: the axial male cone (strobilus masculinus) of the axial external conical sleeve of said cirque body is provided with oil groove, and said oil groove is left-handed and right hand helix shape interleaved discs and is around in axial male cone (strobilus masculinus) and its port and is coiled in axial male cone (strobilus masculinus) two ends with right hand helix and forms naturally by oil groove is left-handed.
3. mechanical intelligence self-adapting automatic clutch according to claim 2; It is characterized in that: said transmission shaft is provided with free wheel device; The inner ring of free wheel device is rotatably assorted and is coated at transmission shaft; The inner ring of said free wheel device is exported between sense of rotation and the outer ring at the power of transmission shaft and is surmounted; Be provided with the intermediate cam cover between the axial external conical sleeve of the inner ring of said free wheel device and cirque body, described intermediate cam cover two ends corresponding respectively through cam-engaged secondary with keep off inner ring and the cirque body axial external conical sleeve transmission of power slowly and cooperate by free wheel device.
4. mechanical intelligence self-adapting automatic clutch according to claim 3; It is characterized in that: the cam-engaged pair at intermediate cam cover two ends is the end cam engagement pair, and the shape line lift angle of its end cam all varies in size smaller or equal to the shape line lift angle of 45 ° and intermediate cam cover two ends end cam.
5. mechanical intelligence self-adapting automatic clutch according to claim 4; It is characterized in that: said free wheel device is the spring-piece type free wheel device; Comprise roller and retainer, be formed for the engaging groove that meshes or separate with roller between the outer ring of free wheel device and the inner ring; Said retainer comprises support plate, supporting post and reed; Said supporting post is corresponding one by one with roller; Said support plate is arranged at supporting post and between support plate and supporting post outer surface, forms slot in the circumferencial direction secure fit; Said reed is provided with the embedding part that embeds slot, and reed extends slot and along the engagement direction of engaging groove roller applied pretightening force, and said slot is provided with reed owing to roller applied the distortion allowance of resiliently deformable that pretightening force produces.
6. mechanical intelligence self-adapting automatic clutch according to claim 5; It is characterized in that: said embedding part is provided with pressure-bearing portion, and said support plate is provided with pressure-bearing portion applied and makes embedding part embed the pressure of slot and limit embedding part from pressing portion that slot is deviate from.
7. mechanical intelligence self-adapting automatic clutch according to claim 6; It is characterized in that: said pressure-bearing portion is formed in one in embedding part and outward extending elastic piece structure; Pressure-bearing portion forms the pressure-bearing section to pressing portion bending, and pressing portion forms superimposed in pressure-bearing section outer surface and pressing section that the pressure-bearing section is exerted pressure to the bending of pressure-bearing portion.
8. mechanical intelligence self-adapting automatic clutch according to claim 7 is characterized in that: circle is provided with the internal spiral cam in the axial external conical sleeve of cirque body, and transmission shaft is provided with the external spiral cam that matches with the internal spiral cam and forms the spiral prominence wheel set jointly.
9. mechanical intelligence self-adapting automatic clutch according to claim 8; It is characterized in that: said elastic element is the speed change butterfly spring that is coated at transmission shaft; Said speed change butterfly spring and free wheel device are respectively in the axial both sides of the axial external conical sleeve of cirque body; Speed change butterfly spring is coated at transmission shaft successively through being slidingly matched speed change axle sleeve and speed change plane bearing withstand axial external conical sleeve one axial end portion of cirque body, and another axial end portion of the axial external conical sleeve of cirque body cooperates through corresponding end cam auxiliary driving with the intermediate cam cover.
10. mechanical intelligence self-adapting automatic clutch according to claim 9 is characterized in that: said speed change butterfly spring is arranged on the right side of the axial external conical sleeve of cirque body, and free wheel device is positioned at the axial external conical sleeve of cirque body left side; The expansion direction of the internal spiral cam of the axial external conical sleeve of said cirque body and the external spiral cam of transmission shaft is identical with transmission shaft power output sense of rotation from left to right; The inner ring of said intermediate cam cover two ends and free wheel device and the axial external conical sleeve of cirque body are provided with end cam respectively and through the end cam formation end cam engagement pair of intermeshing; The inner ring of intermediate cam cover two ends and free wheel device and the end cam line of contact expansion direction of the axial external conical sleeve of cirque body are opposite with transmission shaft power output sense of rotation from left to right.
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| CN201210201210.8A CN102734350B (en) | 2012-06-18 | 2012-06-18 | Mechanical intelligent self-adaptation automatic clutch |
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| CN201210201210.8A CN102734350B (en) | 2012-06-18 | 2012-06-18 | Mechanical intelligent self-adaptation automatic clutch |
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| CN102734350B CN102734350B (en) | 2015-04-15 |
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| CN103775539A (en) * | 2014-02-20 | 2014-05-07 | 重庆广播电视大学 | Mechanical automatically-pre-tightening type clutch |
| CN104632933A (en) * | 2014-12-05 | 2015-05-20 | 中国航天科技集团公司第九研究院第七七一研究所 | Axial tension safe clutch for large load |
| CN105370847A (en) * | 2015-09-08 | 2016-03-02 | 梁稚子 | Double-cone friction transmission self-adaptation automatic speed changing spindle assembly |
| CN105782267A (en) * | 2016-05-09 | 2016-07-20 | 黄山奔马集团有限公司 | Separate multi-piece type clutch assembly |
| CN105864425A (en) * | 2016-06-02 | 2016-08-17 | 立马车业集团有限公司 | Force transmission structure |
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| CN105370847A (en) * | 2015-09-08 | 2016-03-02 | 梁稚子 | Double-cone friction transmission self-adaptation automatic speed changing spindle assembly |
| CN105370847B (en) * | 2015-09-08 | 2017-11-24 | 梁稚子 | Bipyramid frictional drive self-adapting automatic gear shift main shaft assembly |
| CN105782267A (en) * | 2016-05-09 | 2016-07-20 | 黄山奔马集团有限公司 | Separate multi-piece type clutch assembly |
| CN105864425A (en) * | 2016-06-02 | 2016-08-17 | 立马车业集团有限公司 | Force transmission structure |
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| CN102734350B (en) | 2015-04-15 |
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