CN101823432B - Manual-automatic integrated self-adaptive transmission sensing electric control automatic gear shifting device for engine - Google Patents
Manual-automatic integrated self-adaptive transmission sensing electric control automatic gear shifting device for engine Download PDFInfo
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- CN101823432B CN101823432B CN 201010120735 CN201010120735A CN101823432B CN 101823432 B CN101823432 B CN 101823432B CN 201010120735 CN201010120735 CN 201010120735 CN 201010120735 A CN201010120735 A CN 201010120735A CN 101823432 B CN101823432 B CN 101823432B
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Abstract
The invention discloses a manual-automatic integrated self-adaptive transmission sensing electric control automatic gear shifting device for an engine, and the device comprises a gearbox body, a clutch, a power input shaft, a power output shaft, a gear shifting drum, a self-adaptive transmission device, an automatic gear shifting control system and a manual gear shifting system; when a vehicle is in normal running, a controller controls the clutch and the gear shifting drum automatically to drive a servo motor to shift up or shift down automatically according to the resistance moment; when the resistance changes, a torque value is obtained, a rotational speed value of the output shaft is detected by a rotational speed sensor, and the gear shifting action and the gear shifting position are determined by torque-rotational speed change, thus realizing automatic gear shifting which is determined by the torque-rotational speed change and the opening degree of a throttle and meeting the operating requirements under the condition of complex roads; and automatic gear shifting can be switched to the manual gear shifting system according to actual conditions, and a gear shifting switch is utilized for inputting a gear position order to the controller and for controlling the clutch and the gear shifting drum to drive the servo motor to realize manual gear shifting.
Description
Technical field
The present invention relates to a kind of motorcycle transmission gearing, particularly a kind of manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine.
Background technology
Motor bike is traffic and the transportation means of commonplace use, is that armrest is two-wheeled or the three-wheel vehicle of handling front-wheel steering.Motor bike has low price, light and flexible and the advantage rapidly of travelling, and can arrive the ground such as mountain area that the Large-sized Communication instrument can't arrive and rural area, and purposes is more extensive.
Motor bike comprises wheel, vehicle frame and power and driving system, and power and driving system are the important device of motor bike, and the performance of device own and running state directly affect the overall performance of motor bike.
In prior art, motor bike generally adopts manually (foot-propelled) control clutch and completes gear shift, and handle is directly controlled throttle cable to coordinate walking and gear shift;
Manually the subjectivity of navigating mate is depended in the operation of (foot-propelled) fully, due to the operation mistake that does not possess automatic detection, correction and eliminating chaufeur, when speed of a motor vehicle variation is unexpected, can't reach the optimum matching of rotating speed, moment of torsion and gear, driving engine is under the unstable state operating mode to turn round, must cause engine power and resistance to motion to be difficult to coupling, cause the driving engine fluctuation of service; Simultaneously; self-propelled vehicle is not in the situation that knowing resistance to motion by rider; only rule of thumb operate the transmission system of controlling; usually can be when startup, upward slope and heavy load, because resistance to motion increases; force engine speed to descend in low efficiency district's work, driving engine even stops operating, and can't satisfy motor bike and use under mountain area, hills and heavy load conditions; dwindled range of use, the advantage of motor bike light and flexible can't be brought into play.
Go out to have beyond above problem, existing motor bike generally adopts the gear changing mode of foot-propelled, is unfavorable for keeping stability and balance when making driver's operation, and safety misadventure easily occurs.
In prior art, a kind of autoshift structure has appearred, gear shift drum and power-transfer clutch adopt driven by servomotor and are automatically controlled by controller (ECU), directly input gear shift and notch command by change-over switch, complete gear shift by servomotor, save driver's manual labor, and be beneficial to the maintenance stability and balance when making it to operate, avoided the safety misadventure that causes due to overbalance.But this version still can not be got rid of people's subjectivity operation to the adverse effect of motor bike running state.
Therefore, need to improve the existing speed-changing mechanism of motor bike, during autoshift, can partly get rid of the subjective consciousness of navigating mate to the impact of operation, can automatically detect and automatically carry out shiftedly with the change in resistance of travelling according to detecting the numerical value self adaptation at complicated highway section, solving the problem that motorcycle gear box determines gear shift by moment of torsion-rotation speed change and satisfies the complex condition road occupation; Simultaneously, can also realize the manual switchover gear shift.
Summary of the invention
In view of this, the invention provides a kind of manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine, during autoshift, can partly get rid of the subjective consciousness of navigating mate to the impact of operation, can automatically detect and automatically carry out shiftedly with the change in resistance of travelling according to detecting the numerical value self adaptation at complicated highway section, solving the problem that motorcycle gear box determines gear shift by moment of torsion one rotation speed change and satisfies the complex condition road occupation; Simultaneously, can also realize the manual switchover gear shift.
Manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine of the present invention, comprise gearbox body, power-transfer clutch, power input shaft, power take-off shaft and gear shift drum, described power-transfer clutch is with engine power input power input shaft, power input shaft outputs power to power take-off shaft by the gear speed-changing gear pair, described gear shift drum is controlled gear shift by control fork, also comprises self adaptation driving device, gear shift autonomous cruise speed system and hand shift system;
The self adaptation driving device comprises cam cover and the elastic element that is provided with axial cam I, and described power take-off shaft is provided with axial cam II, and described axial cam I and axial cam II match and form the cam drive pair; Described power take-off shaft cylindrical normal-running fit cover has sprocket wheel, and described cam cover and sprocket wheel coordinate to mode movably with the circumferencial direction anchor shaft, and described elastic element withstands the cam cover along the direction opposite with the axial component of the secondary formation of cam drive;
Described gear shift autonomous cruise speed system comprises controller, the driving servomotor is roused in the power-transfer clutch driving servomotor and the gear shift that provide throttle signal sensor, displacement pickup and power output shaft speed sensor and reception control order signal of signal input controller; Describedly provide the throttle signal that the throttle signal sensor provides for detection of chaufeur, displacement pickup is for detection of the longitudinal travel of cam cover, the power output shaft speed sensor is for detection of the tach signal of power take-off shaft, and power-transfer clutch drives the clutch that servomotor is used for driving clutch; The gear shift drum drives servomotor and completes the gear shift action for driving the gear shift drum;
The hand shift system comprises manual automatic transfer switch and hand shift driving switch, and described manual automatic transfer switch is with manual automatic switching signal input control device, and the hand shift driving switch inputs to controller with gear signal.
Further, described cam cover is enclosed within the power take-off shaft cylindrical, and an end and sprocket wheel coordinate to mode movably with the circumferencial direction anchor shaft, and the other end is withstood by the elastic element that is enclosed within the power take-off shaft cylindrical;
Further, described displacement pickup comprise Hall element I with its relative magnet steel I vertically, described magnet steel I is fixedly installed on a displacement magnet steel seat, described displacement magnet steel seat arranges in the fixing mode of axially movable circumferencial direction, described displacement magnet steel seat under the effect of a return elastic element along the direction opposite with the secondary axial component that forms of cam drive near the cam cover; Described power output shaft speed sensor comprise Hall element II and with the output shaft rotating speed magnet steel seat of power take-off shaft in the circumferencial direction heavy keying fit, the magnet steel II relative with Hall element II is set on described output shaft rotating speed magnet steel seat; Described gear shift autonomous cruise speed system also comprises the power input shaft tachogen that is comprised of Hall element III and magnet steel III, and described magnet steel III is relative with Hall element III and be arranged on power input shaft on the input shaft rotating speed magnet steel seat of circumferencial direction heavy keying fit;
Further, also comprise the gear read-out, described gear read-out receives the gear signal that controller imports into;
Further, described output shaft rotating speed magnet steel seat is arranged on the end face of power take-off shaft by screw vertically, and described elastic element one end withstands the cam cover, and the other end withstands output shaft rotating speed magnet steel seat;
Further, in the housing that described self adaptation driving device is arranged on gearbox body is captiveed joint, described displacement magnet steel seat is coated at power take-off shaft, in the cavity that described elastic element forms between displacement magnet steel seat and power take-off shaft, displacement magnet steel seat cylindrical arranges position-limited trough vertically, and a stop screw screw thread fit passes housing and stretches into position-limited trough; The end that described cam cover coordinates with sprocket wheel is at least two transmission projections vertically of the uniform setting of circumferencial direction, the driving hole that arrange vertically corresponding to it on described sprocket wheel, described transmission projection correspondence one by one stretch into driving hole cam cover and sprocket wheel are coordinated to mode movably with the circumferencial direction anchor shaft;
further, the shell that described power-transfer clutch drives servomotor is fixedly installed on gearbox body, rotor shaft is provided with eccentric cam in the circumferencial direction heavy keying fit, described power-transfer clutch comprises stator, moving plate and clutch cap, described stator coordinates by the transmission of gear Meshing Pair with power input shaft, moving plate and clutch cap are in the circumferencial direction heavy keying fit, to heavy keying fit, drive spindle is set at the circumferencial direction turning cylinder with clutch cap, described drive spindle can reciprocatingly slide vertically with mission case and coordinate, the eccentric cam flange coordinates with the drive spindle end contact and drive spindle moves axially, the gear shift drum drives the servomotor shell and is fixedly installed on gearbox body, and rotor shaft and gear shift drum are in the circumferencial direction heavy keying fit,
Further, described elastic element is at least one group of butterfly spring; Described cam cover cylindrical arranges annular boss, passes through the plane rolling bearing fit between displacement magnet steel seat end face and annular boss end face;
Further, the axial cam I of described cam cover is the internal helical gear structure that inner circle arranges, the axial cam II of power take-off shaft is the outer oblique gear structure that cylindrical arranges, and described cam cover is enclosed within the power take-off shaft cylindrical and the internal helical gear structure is meshed with the outer oblique gear structure form the cam drive pair.
The invention also discloses a kind of manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine, comprise gearbox body, power-transfer clutch, power input shaft, power take-off shaft and gear shift drum, described power-transfer clutch is with engine power input power input shaft, power input shaft outputs power to power take-off shaft by the gear speed-changing gear pair, described gear shift drum is controlled gear shift by control fork, also comprise self adaptation driving device and gear shift autonomous cruise speed system, described power take-off shaft cylindrical normal-running fit cover has sprocket wheel;
The self adaptation driving device comprises elastic element and the cam cover that is provided with edge type strainer I, and described sprocket wheel is provided with edge type strainer II, and described edge type strainer I and edge type strainer II match and form the cam drive pair; Described cam cover is coated at power take-off shaft and coordinates to mode movably with the circumferencial direction anchor shaft, and described elastic element withstands the cam cover along the direction opposite with the secondary axial component that forms of cam drive;
Described gear shift autonomous cruise speed system comprises controller, the driving servomotor is roused in the power-transfer clutch driving servomotor and the gear shift that provide throttle signal sensor, displacement pickup and power output shaft speed sensor and reception control order signal of signal input controller; Describedly provide the throttle signal that the throttle signal sensor provides for detection of chaufeur, displacement pickup is for detection of the longitudinal travel of cam cover, the power output shaft speed sensor is for detection of the tach signal of power take-off shaft, and power-transfer clutch drives the clutch that servomotor is used for driving clutch; The gear shift drum drives servomotor and completes the gear shift action for driving the gear shift drum.
Beneficial effect of the present invention: manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine of the present invention, when normally travelling, controller drives servomotor according to the resisting moment automatic control clutch and gear shift drum driving servomotor adds downshift automatically; When resistance changes, the cam drive pair is under the effect of resistance, produce component, make the cam cover that longitudinal travel occur, draw torque value by conversion, and the speed revolution value of output shaft detected by tachogen, determine gear shift action and gear shift gear according to moment of torsion one rotation speed change, the present invention can be under electrical control mechanism be controlled, carry out shiftedly with the change in resistance of travelling, realized that motorcycle gear box determines autoshift and satisfies operating needs under complicated road conditions by moment of torsion-rotation speed change; Simultaneously, the hand shift system is set, autoshift can be switched to the hand shift system according to actual conditions, utilize Gear-shift switch to drive servomotor and gear shift drum to controller input notch command and control clutch and drive servomotor and realize hand shift.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is Figure 1A place enlarged drawing;
Fig. 3 is the axial cam II structural representation of outer oblique gear structure on power take-off shaft of the present invention;
Fig. 4 is cam cover radial section structural representation of the present invention;
Fig. 5 is the chain sprocket structure schematic diagram;
Fig. 6 is the self adaptation transmission structures schematic diagram of the embodiment of the present invention two.
The specific embodiment
Embodiment one
Fig. 1 is the structural representation of the embodiment of the present invention one, Fig. 2 is Figure 1A place enlarged drawing, Fig. 3 is the axial cam II structural representation of outer oblique gear structure on power take-off shaft of the present invention, Fig. 4 is cam cover radial section structural representation of the present invention, Fig. 5 is the chain sprocket structure schematic diagram, as shown in the figure: the manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine of the present embodiment, comprise gearbox body 9, power-transfer clutch 1, power input shaft 5, power take-off shaft 6 and gear shift drum 7, described power-transfer clutch 1 passes through gear 4 with engine power input power input shaft 5, power input shaft 5 outputs power to power take-off shaft 6 by the gear speed-changing gear pair, the gear speed-changing gear pair can be 2 to 6 grades according to different structures and needs, also can comprise reverse gear, described gear shift drum 7 is controlled gear shift by control fork, also comprise self adaptation driving device, gear shift autonomous cruise speed system and hand shift system,
The self adaptation driving device comprises cam cover 12 and the elastic element 13 that is provided with axial cam I 12a, and described power take-off shaft 6 is provided with axial cam II 6a, and described axial cam I 12a and axial cam II 6a match and form the cam drive pair; Described power take-off shaft 6 cylindrical normal-running fit covers have sprocket wheel 10, and described cam cover 12 and sprocket wheel 10 coordinate to mode movably with the circumferencial direction anchor shaft, and described elastic element 13 withstands cam along the direction opposite with the secondary axial component that forms of cam drive and overlaps 12;
Described gear shift autonomous cruise speed system comprises controller 21, driving servomotor 8 is roused in the power-transfer clutch driving servomotor 23 and the gear shift that provide throttle signal sensor, displacement pickup and power output shaft speed sensor and reception controller 21 command signals of signal input controller 21; Describedly provide the throttle signal that the throttle signal sensor provides for detection of chaufeur, provide the throttle signal sensor and can adopt any sensor that to realize this function, the present embodiment adopts Hall element 22a and magnet steel 22b, as shown in the figure, Hall element 22a and magnet steel 22b are arranged on throttle control handle 22, magnet steel 22b is fixedly installed on the manual drives rotatable parts of throttle control handle 22, Hall element 22a is oppositely arranged on it on fixed parts of throttle control handle, and the signal output part of Hall element 22a connects controller; Displacement pickup is for detection of the longitudinal travel of cam cover 12, and the power output shaft speed sensor is for detection of the tach signal of power take-off shaft 6, and power-transfer clutch drives the clutch that servomotor 23 is used for driving clutch 1; The gear shift drum drives servomotor 8 and completes the gear shift action for driving gear shift drum 7;
The hand shift system comprises manual automatic transfer switch 27 and hand shift driving switch 28, and described manual automatic transfer switch 27 is with manual automatic switching signal input control device 21, and hand shift driving switch 28 inputs to controller 21 with gear signal; When navigating mate need to there was a mechanical failure by hand shift or automatic shift system, switch by manual automatic transfer switch 27, to controller 21 input hand shift orders, controller directly receives the notch command of hand shift driving switch 28 according to program, and send corresponding order to power-transfer clutch driving servomotor 23 and gear shift drum driving servomotor 8, realize hand shift; Can satisfy the different needs of different situations, guarantee the normal operation of driving engine.
In the present embodiment, described cam cover 12 is enclosed within power take-off shaft 6 cylindricals, and an end and sprocket wheel 10 coordinate to mode movably with the circumferencial direction anchor shaft, and the other end is withstood by the elastic element 13 that is enclosed within power take-off shaft 6 cylindricals; This structure is beneficial to Assembly ﹠Disassembly, and is beneficial to the stable installation that keeps structure.
In the present embodiment, described displacement pickup comprise Hall element I 17 with its relative magnet steel I 18 vertically, described magnet steel I 18 is fixedly installed on a displacement magnet steel seat 18a, described displacement magnet steel seat 18a arranges in the fixing mode of axially movable circumferencial direction, as shown in the figure, displacement magnet steel seat 18a arranges in the fixing mode of axially movable circumferencial direction by housing 11; Described displacement magnet steel seat 18a overlaps 12 along the direction opposite with the secondary axial component that forms of cam drive near cam under the effect of a return elastic element 24, in the present embodiment, return elastic element 24 is a column spring; Described power output shaft speed sensor comprise Hall element II 15 and with the output shaft rotating speed magnet steel seat 16a of power take-off shaft 6 in the circumferencial direction heavy keying fit, the upper setting of the described output shaft rotating speed magnet steel seat 16a magnet steel II 16 relative with Hall element II 15, described magnet steel II 16 is along the circumferential direction uniform arranges six, certainly, quantity can be a plurality of as required; The signal output part that Hall element I 17 is connected with Hall element II connects controller 21; Adopt the sensor construction of Hall element, testing result is accurate, avoids interfering; Described gear shift autonomous cruise speed system also comprises the power input shaft tachogen that is comprised of Hall element III25 and magnet steel III26, described magnet steel III 26 is relative with Hall element III25 and be arranged on power input shaft 6 on the input shaft rotating speed magnet steel seat 26a of circumferencial direction heavy keying fit, magnet steel III 26 is along the circumferential direction uniform arranges six, certainly, quantity can be a plurality of as required; The power input shaft sensor is set, makes controller 21 determine the gear shift gear according to the rotating speed between power input shaft 5 and power take-off shaft 6, avoid the pause and transition in rhythm or melody sense that produces in gearshift procedure, and avoid driving gear pair to occur damaging.
In the present embodiment, also comprise gear read-out 29, described gear read-out 29 receives the gear signal that controller 21 imports into; The operator can carry out gear-change operation according to the gear display, prevents maloperation, guarantees traffic safety.
In the present embodiment, described output shaft rotating speed magnet steel seat 16a is arranged on the end face of power take-off shaft 6 by screw 14 vertically, and described elastic element 13 1 ends withstand cam cover 12, and the other end withstands output shaft rotating speed magnet steel seat 16a; This structure consists of output shaft rotating speed magnet steel seat 16a can regulate mobile structures by screw 14 vertically, can be used for the predetermincd tension of adjustable elastic element, thereby is adjusted at the distance that moves axially of cam cover 12 under certain resistance.
In the present embodiment, described self adaptation driving device is arranged in the housing 11 of captiveing joint with gearbox body 9, described displacement magnet steel seat 18a is coated at power take-off shaft 6, in the cavity that described elastic element 13 forms between displacement magnet steel seat 18a and power take-off shaft 6; Make compact conformation of the present invention, stable after assembling, installing/dismounting is easy; Displacement magnet steel seat 18a cylindrical arranges position-limited trough vertically, and stop screw 19 screws thread fit pass housing 11 and stretch into position-limited trough, can move axially at the degree of freedom of circumferencial direction and realization with better simply structural limitations displacement magnet steel seat; Described cam cover 12 ends that coordinate with sprocket wheel 10 are at least two transmission projection 12b vertically of the uniform setting of circumferencial direction, the driving hole 10a that arrange vertically corresponding to it on described sprocket wheel 10, described transmission projection 12b correspondence one by one stretch into driving hole 10a cam cover 12 and sprocket wheel 10 are coordinated to mode movably with the circumferencial direction anchor shaft; Be beneficial to the assembly technology of simplifying this device.
in the present embodiment, the shell that described power-transfer clutch drives servomotor 23 is fixedly installed on gearbox body 9, rotor shaft is provided with eccentric cam 23a in the circumferencial direction heavy keying fit, described power-transfer clutch 1 comprises stator, moving plate and clutch cap 2, described stator coordinates by the transmission of gear Meshing Pair with power input shaft, moving plate and clutch cap 2 are in the circumferencial direction heavy keying fit, to heavy keying fit, drive spindle 3 is set at the circumferencial direction turning cylinder with clutch cap 2, described drive spindle 3 and mission case 9 vertically (clutch on-off direction) reciprocatingly sliding coordinates, as shown in the figure, moving antifriction-bearing box between clutch cap 2 and drive spindle 3 coordinates, eccentric cam 23a flange coordinates with drive spindle 3 end contacts and drive spindle 3 moves axially, and adopts the eccentric cam knot to drive, and makes the driving process smoothly stable, is applicable to clutch driving structure, the gear shift drum drives servomotor 8 shells and is fixedly installed on gearbox body 9, and rotor shaft and gear shift drum 7 are in the circumferencial direction heavy keying fit.
In the present embodiment, described elastic element 13 is at least one group of butterfly spring, and the present embodiment adopts four groups according to actual conditions; Described cam cover 12 cylindricals arrange annular boss, coordinate by plane rolling bearing 20 between displacement magnet steel seat 18a end face and annular boss end face;
In the present embodiment, the axial cam I 12a of described cam cover 12 is the internal helical gear structure that inner circle arranges, the axial cam II 6a of power take-off shaft 6 is the outer oblique gear structure that cylindrical arranges, and described cam cover 12 is enclosed within power take-off shaft 6 cylindricals and the internal helical gear structure is meshed with the outer oblique gear structure form the cam drive pair; Adopt the axial cam of helical wheel structure, can reduce to greatest extent the back lash, the relation between more accurate reaction torque and cam cover miles of relative movement, thus make the automatic control process of controller more accurate.
Power transmission line of the present invention:
Power-transfer clutch 1 → power input shaft 5 → gear speed-changing gear pair → power take-off shaft 6 → axial cam II 6a → axial cam I 12a → cam cover 12 → sprocket wheel 10;
Power transmission line also passes through following route simultaneously: axial cam II 6a → axial cam I 12a → axial component → cam cover 12 → compression elastic element 13;
Can be found out by above bang path, resistance to motion is larger, the axial component that is produced by axial cam II and axial cam I is just larger, the compressed amount of elastic element is just larger, measured and displacement that pass to controller (ECU) is just larger by displacement pickup, controller goes out resistance to motion to the requirement of power take-off shaft moment of torsion according to displacement calculation, and according to the rotary speed data of power output shaft speed sensor, Proper Match moment of torsion-speed revolution value sends suitable shift command to power-transfer clutch driving servomotor and gear shift drum drive motor.
Embodiment two
Fig. 6 is the self adaptation transmission structures schematic diagram of the embodiment of the present invention two, and as shown in the figure: the manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine of the present embodiment only is with the difference of embodiment one: the self adaptation driving device; The self adaptation driving device of the present embodiment comprises elastic element 13 and the cam cover 12 that is provided with edge type strainer I 121, and sprocket wheel 10 is provided with edge type strainer II 101, and described edge type strainer I 121 and edge type strainer II 101 match and form the cam drive pair; Described cam cover 12 is coated at power take-off shaft 6 and coordinates to mode movably with the circumferencial direction anchor shaft, and described elastic element 13 withstands cam cover 12 along the direction opposite with the secondary axial component that forms of cam drive.Other structures and the embodiment one of the present embodiment are identical, and the principle of cam drive pair is also identical; This structure Assembly ﹠Disassembly is comparatively easy.
The present embodiment power transmission line:
Power-transfer clutch 1 → power input shaft 5 → gear speed-changing gear pair → power take-off shaft 6 → cam cover 12 → edge type strainer I 121 → edge type strainer II 101 → sprocket wheel 10;
Power transmission line also passes through following route simultaneously: the antagonistic force of edge type strainer I 121 → edge type strainer II 101 → axial component → cam cover 12 → compression elastic element 13.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine, comprise gearbox body, power-transfer clutch, power input shaft, power take-off shaft and gear shift drum, described power-transfer clutch is with engine power input power input shaft, power input shaft outputs power to power take-off shaft by the gear speed-changing gear pair, described gear shift drum is controlled gear shift by control fork, it is characterized in that: also comprise self adaptation driving device, gear shift autonomous cruise speed system and hand shift system;
The self adaptation driving device comprises cam cover and the elastic element that is provided with axial cam I, and described power take-off shaft is provided with axial cam II, and described axial cam I and axial cam II match and form the cam drive pair; Described power take-off shaft cylindrical normal-running fit cover has sprocket wheel, and described cam cover and sprocket wheel coordinate to mode movably with the circumferencial direction anchor shaft, and described elastic element withstands the cam cover along the direction opposite with the axial component of the secondary formation of cam drive;
Described gear shift autonomous cruise speed system comprises controller, the driving servomotor is roused in the power-transfer clutch driving servomotor and the gear shift that provide throttle signal sensor, displacement pickup and power output shaft speed sensor and reception control order signal of signal input controller; Describedly provide the throttle signal that the throttle signal sensor provides for detection of chaufeur, displacement pickup is for detection of the longitudinal travel of cam cover, the power output shaft speed sensor is for detection of the tach signal of power take-off shaft, and power-transfer clutch drives the clutch that servomotor is used for driving clutch; The gear shift drum drives servomotor and completes the gear shift action for driving the gear shift drum;
The hand shift system comprises manual automatic transfer switch and hand shift driving switch, and described manual automatic transfer switch is with manual automatic switching signal input control device, and the hand shift driving switch inputs to controller with gear signal.
2. manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine according to claim 1, it is characterized in that: described cam cover is enclosed within the power take-off shaft cylindrical, one end and sprocket wheel coordinate to mode movably with the circumferencial direction anchor shaft, and the other end is withstood by the described elastic element that is enclosed within the power take-off shaft cylindrical.
3. manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine according to claim 2, it is characterized in that: described displacement pickup comprise Hall element I with its relative magnet steel I vertically, described magnet steel I is fixedly installed on a displacement magnet steel seat, described displacement magnet steel seat arranges in the fixing mode of axially movable circumferencial direction, described displacement magnet steel seat under the effect of a return elastic element I along the direction opposite with the secondary axial component that forms of cam drive near the cam cover; Described power output shaft speed sensor comprise Hall element II and with the output shaft rotating speed magnet steel seat of power take-off shaft in the circumferencial direction heavy keying fit, the magnet steel II relative with Hall element II is set on described output shaft rotating speed magnet steel seat; Described gear shift autonomous cruise speed system also comprises the power input shaft tachogen that is comprised of Hall element III and magnet steel III, and described magnet steel III is relative with Hall element III and be arranged on power input shaft on the input shaft rotating speed magnet steel seat of circumferencial direction heavy keying fit.
4. manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine according to claim 3, is characterized in that: also comprise the gear read-out, the gear signal that described gear read-out reception controller imports into.
5. manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine according to claim 4, it is characterized in that: described output shaft rotating speed magnet steel seat is arranged on the end face of power take-off shaft by screw vertically, described elastic element one end withstands the cam cover, and the other end withstands output shaft rotating speed magnet steel seat.
6. manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine according to claim 5, it is characterized in that: in the housing that described self adaptation driving device is arranged on gearbox body is captiveed joint, described displacement magnet steel seat is coated at power take-off shaft, in the cavity that described elastic element forms between displacement magnet steel seat and power take-off shaft, displacement magnet steel seat cylindrical arranges position-limited trough vertically, and a stop screw screw thread fit passes housing and stretches into position-limited trough; The end that described cam cover coordinates with sprocket wheel is at least two transmission projections vertically of the uniform setting of circumferencial direction, the driving hole that arrange vertically corresponding to it on described sprocket wheel, described transmission projection correspondence one by one stretch into driving hole cam cover and sprocket wheel are coordinated to mode movably with the circumferencial direction anchor shaft.
7. manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine according to claim 6, it is characterized in that: the shell that described power-transfer clutch drives servomotor is fixedly installed on gearbox body, rotor shaft is provided with eccentric cam in the circumferencial direction heavy keying fit, described power-transfer clutch comprises stator, moving plate and clutch cap, described stator coordinates by the transmission of gear Meshing Pair with power input shaft, moving plate and clutch cap are in the circumferencial direction heavy keying fit, to heavy keying fit, drive spindle is set at the circumferencial direction turning cylinder with clutch cap, described drive spindle can reciprocatingly slide vertically with gearbox body and coordinate, the eccentric cam flange coordinates with the drive spindle end contact and drive spindle moves axially, the gear shift drum drives the servomotor shell and is fixedly installed on gearbox body, and rotor shaft and gear shift drum are in the circumferencial direction heavy keying fit.
8. manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine according to claim 7, it is characterized in that: described elastic element is at least one group of butterfly spring, described cam cover cylindrical arranges annular boss, passes through the plane rolling bearing fit between displacement magnet steel seat end face and annular boss end face.
9. manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine according to claim 8, it is characterized in that: the axial cam I of described cam cover is the internal helical gear structure that inner circle arranges, the axial cam II of power take-off shaft is the outer oblique gear structure that cylindrical arranges, and described cam cover is enclosed within the power take-off shaft cylindrical and the internal helical gear structure is meshed with the outer oblique gear structure form the cam drive pair.
10. manual-automatic integrated automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine, comprise gearbox body, power-transfer clutch, power input shaft, power take-off shaft and gear shift drum, described power-transfer clutch is with engine power input power input shaft, power input shaft outputs power to power take-off shaft by the gear speed-changing gear pair, described gear shift drum is controlled gear shift by control fork, it is characterized in that: also comprise self adaptation driving device and gear shift autonomous cruise speed system, described power take-off shaft cylindrical normal-running fit cover has sprocket wheel;
The self adaptation driving device comprises elastic element and the cam cover that is provided with edge type strainer I, and described sprocket wheel is provided with edge type strainer II, and described edge type strainer I and edge type strainer II match and form the cam drive pair; Described cam cover is coated at power take-off shaft and coordinates to mode movably with the circumferencial direction anchor shaft, and described elastic element withstands the cam cover along the direction opposite with the secondary axial component that forms of cam drive;
Described gear shift autonomous cruise speed system comprises controller, the driving servomotor is roused in the power-transfer clutch driving servomotor and the gear shift that provide throttle signal sensor, displacement pickup and power output shaft speed sensor and reception control order signal of signal input controller; Describedly provide the throttle signal that the throttle signal sensor provides for detection of chaufeur, displacement pickup is for detection of the longitudinal travel of cam cover, the power output shaft speed sensor is for detection of the tach signal of power take-off shaft, and power-transfer clutch drives the clutch that servomotor is used for driving clutch; The gear shift drum drives servomotor and completes the gear shift action for driving the gear shift drum.
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| CN 201010120735 CN101823432B (en) | 2010-03-09 | 2010-03-09 | Manual-automatic integrated self-adaptive transmission sensing electric control automatic gear shifting device for engine |
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| CN 201010120735 CN101823432B (en) | 2010-03-09 | 2010-03-09 | Manual-automatic integrated self-adaptive transmission sensing electric control automatic gear shifting device for engine |
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| CN101823432B true CN101823432B (en) | 2013-05-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101825174B (en) * | 2010-03-09 | 2013-04-24 | 西南大学 | Automatic gear shift device with self-adaptive transmission, sensing and electrical control in engine |
| CN102765380B (en) * | 2012-07-23 | 2015-09-23 | 刘厚荣 | Battery-driven car variable speed drive system and automatic control of transmission method |
| CN102797800A (en) * | 2012-09-03 | 2012-11-28 | 重庆通盛建设工业有限公司 | Shift speed-changing system for electric vehicles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963267A (en) * | 2005-11-09 | 2007-05-16 | 西南大学 | Self-adaptive torque and rotation rate transmission sensing device for speed changing gear |
| CN101382184A (en) * | 2007-09-03 | 2009-03-11 | 西南大学 | Adaptive automatic gear shifting speed changing assembly |
| CN201678019U (en) * | 2010-03-09 | 2010-12-22 | 西南大学 | Electrical-control, manual and automatic speed change gear of engine |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963267A (en) * | 2005-11-09 | 2007-05-16 | 西南大学 | Self-adaptive torque and rotation rate transmission sensing device for speed changing gear |
| CN101382184A (en) * | 2007-09-03 | 2009-03-11 | 西南大学 | Adaptive automatic gear shifting speed changing assembly |
| CN201678019U (en) * | 2010-03-09 | 2010-12-22 | 西南大学 | Electrical-control, manual and automatic speed change gear of engine |
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