CN207583890U - A kind of rocker-arm automatic clutch actuator - Google Patents
A kind of rocker-arm automatic clutch actuator Download PDFInfo
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- CN207583890U CN207583890U CN201721538545.3U CN201721538545U CN207583890U CN 207583890 U CN207583890 U CN 207583890U CN 201721538545 U CN201721538545 U CN 201721538545U CN 207583890 U CN207583890 U CN 207583890U
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- shift fork
- arm
- gearshift
- rocking arm
- driving motor
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Abstract
The utility model provides a kind of rocker-arm automatic clutch actuator, and the executing agency is made of rocking arm drive component, shift fork executive module and control assembly；The coaxially connected output terminal in gearshift driving motor of worm screw in rocking arm drive component, worm gear is driven with worm engaging, worm gear, shaft, short rocker arm|, drag-line, long rocking arm and shift fork axle are sequentially connected, power is transferred to shift fork axle successively after gearshift driving motor output, power assistant spring is connect with short rocker arm|, and the shift fork crown of shift fork is leaned against on the work shoulder of release bearing in shift fork executive module；The vehicle status sensor that control assembly is connect by gearshift controller and respectively with gearshift controller signal forms, and gearshift controller is connect with gearshift driving motor signal.The utility model is stable and reliable for performance, simple and compact for structure, and can carry out friction disc wear compensation, and transmission efficiency, control performance are good.
Description
Technical field
The utility model belongs to the automatic clutch technical field in automatic mechanical transmission, and in particular to a kind of rocking arm
Formula automatic clutch actuator.
Background technology
With the gradual maturation in pure electric vehicle market, market proposes its comfort, dynamic property and economy higher
It is required that.In order to meet the requirement of diversification, the more gears of drive system of electric motor vehicle are the important developments of nowadays pure electric vehicle
Trend.
Automatic mechanical transmission is developed on the basis of manual transmission.Remain conventional manual transmission biography
The advantages of efficiency of movement is high, at low cost, easy to operate, is widely used.
For the performance characteristics of pure electric vehicle, Chinese patent：It a kind of electric vehicle power failure-free manual transmission and its changes
It is proposed in gear control method (CN105864368A) a kind of based on two gear mechanical automatic speed changings of the pure electric vehicle of clutch
Device.The utility model is used in combination by controllable one-way clutch device and friction plate dry clutch, realizes two gears
Power failure-free switches.Wherein, dry clutch combine with separation process automatically control be the speed changer key technology,
The quality of control performance directly affects shift quality and vehicle comfort.
Existing automatic clutch actuator is broadly divided into electrical-control hydraulic and electric-controlled mechanical.Electrical-control hydraulic has
Control accuracy is high, response is fast, is easily achieved the advantages that safeguard protection, while have again and be affected by temperature big, of high cost, easy leakage
The shortcomings of.Electric-controlled mechanical has the advantages that simple in structure, strong, at low cost to environmental suitability, receives in recent years extensive
Concern.But there are still following problems：On the one hand, it in order to reduce the capacity of gearshift driving motor to reduce cost, often uses
More step reduction mechanism, it is difficult to complicate mechanism with avoiding, occupied space is larger, and reliability reduces；On the other hand, certain mechanisms
The debugging process of (such as lever mechanism) is difficult complicated, and the backlash compensation after clutch friction pad wear is difficult to realize.
Invention content
Defect present in for the above-mentioned prior art, the utility model provide it is a kind of it is stable and reliable for performance, structure is simple
It is single compact, and friction disc wear compensation can be carried out, and the rocker-arm automatic clutch execution that transmission efficiency, control performance are good
Mechanism, with reference to Figure of description, the technical solution of the utility model is as follows：
A kind of rocker-arm automatic clutch actuator, by rocking arm drive component, shift fork executive module and control assembly
Composition；
The rocking arm drive component by gearshift driving motor 2, worm screw 3, worm gear 4, shaft 5, short rocker arm| 6, power assistant spring 7,
Drag-line 8, long rocking arm 9 and shift fork axle 10；Wherein, the worm screw 3 it is coaxially connected gearshift driving motor 2 output terminal, worm gear 4 with
3 engaged transmission of worm screw, the worm gear 4, shaft 5, short rocker arm| 6, drag-line 8, long rocking arm 9 and shift fork axle 10 are sequentially connected, power
It is transferred to shift fork axle 10 successively after gearshift driving motor 2 exports, described 7 one end of power assistant spring is connect with short rocker arm| 6, the other end
It is fixed on housing；
The shift fork executive module by be fixed on the shift fork 19 at the middle part of shift fork axle 10 and with clutch 14 it is coaxial mounted
Release bearing 13 forms, and the shift fork crown of the shift fork 19 is leaned against on the work shoulder of release bearing 13, with top pressure release bearing
13 move along its axis direction；
The vehicle-state that the control assembly is connect by gearshift controller TCU and respectively with gearshift controller TCU signals
Sensor forms, and the gearshift controller TCU is connect with gearshift 2 signal of driving motor, realizes the dynamic of control gearshift driving motor 2
Power exports, so as to control the motion state of shift fork executive module by rocking arm drive component.
Further, the both ends of the shaft 5 are coordinated respectively with the D-shaped hole on worm gear 4 and short rocker arm| 6 by D-shaped axis and connected
It connects, realizes circumferencial direction positioning, mutually transmit torque；Also pass through the axis in shaft 5 between worm gear 4 and short rocker arm| 6 and shaft 5
Shoulder and clamp spring carry out axially position；
The bottom of the short rocker arm| 6 is connect with shaft 5, and top is connect with power assistant spring 7, and middle part is rotated with 8 one end of drag-line
Connection；
The other end of drag-line 8 is connect with the top of long rocking arm 9, and bottom end and the shift fork axle 10 of long rocking arm 9 pass through spline drived
Connection.
Further, the drag-line 8 is equipped with adjusting nut with long 9 junction of rocking arm, is adjusted by adjusting adjusting nut
The active length of drag-line 8 between whole long rocking arm 9 and short rocker arm| 6.
Further, the both ends of the shift fork axle 10 are separately mounted on shift fork bracing strut 20, the shift fork bracing strut 20
It is fixedly mounted on the housing of gearbox, is rotatably connected between the shift fork axle 10 and shift fork bracing strut 20 by copper sheathing.
Further, the vehicle status sensor is sensed by rotary angle transmitter 12, gas pedal depth transducer, speed
Device or brake pedal depth transducer composition.
Further, the rotary angle transmitter 12 is connected with the end of shift fork axle 10, and the end of the shift fork axle 10 adds
Work is Flat plug, which is inserted into rotary angle transmitter 12, and the rotor of rotary angle transmitter 12 is driven to rotate synchronously, and then
The corner of shift fork axle 10 is detected by rotary angle transmitter 12.
Compared with prior art, the beneficial effects of the utility model are：
1st, compared to existing electric-controlled mechanical clutch actuating mechanism, rocker-arm automatic clutch described in the utility model
Executing agency is using long and short rocking arm as transmission parts so that under equal conditions, first-stage worm gear worm gear box can expire
Sufficient requirement does not need to use double reduction mechanism so that the structure of executing agency described in the utility model is compacter, easily
In arrangement.
2nd, parts used by the working portion of rocker-arm automatic clutch actuator described in the utility model, packet
It includes：Shift fork axle, long rocking arm etc., be on the basis of existing manual transmission clutch actuating mechanism, it is improved design and
Come, the technology of the parts thereof is ripe, and parts are stable and reliable in work or even can be by ready-made batch parts
It directly applies, exploitation and use cost has been reduced to a great extent.
3rd, rocker-arm automatic clutch actuator described in the utility model easily realizes friction disc wear compensation function, and mends
Repay that functional effect is good, i.e., using the clutch of executing agency described in the utility model, after clutch friction pad wear, diaphragm bullet
Spring separation finger evagination drives release bearing to be moved outside the position when clutch combines, at this point, identifying new knot in control system
After chalaza, it need to only change the initial position of short rocker arm|, you can realize wear extent compensation, the process is simple and reliable and stable.
4th, in rocker-arm automatic clutch actuator described in the utility model, as a result of power assistant spring so that
During clutch separation, gearshift driving motor overcomes the power needed for diaphragm spring resistance to be substantially reduced, and effectively reduces exchange
The power requirement of driving motor is kept off, is further reduced costs.
5th, rocker-arm automatic clutch actuator described in the utility model when mounted, only needs control system oneself to identify
The initial binding site of clutch, and calculate determine clutch separation point on this basis, without complicated debugging link.
6th, in rocker-arm automatic clutch actuator described in the utility model, long rocking arm is connected to using drag-line and is shaken with short
Shifting power is transmitted between arm, effectively improves the transmission efficiency of device reliability and shift process.
Description of the drawings
Fig. 1 is the overall structure axonometric drawing of rocker-arm automatic clutch actuator described in the utility model (no housing)；
Fig. 2 becomes for rocker-arm automatic clutch actuator (having housing) described in the utility model and automated mechanical transmission
Overall structure axonometric drawing after the fast mating installation of case；
Fig. 3 is worm gear and short rocker arm| installation connection office in rocker-arm automatic clutch actuator described in the utility model
Portion's enlarged drawing；
Fig. 4 is long rocking arm and shift fork installation connection office in rocker-arm automatic clutch actuator described in the utility model
Portion's enlarged drawing；
Fig. 5 is schematic diagram when rocker-arm automatic clutch actuator described in the utility model controls clutch separation；
Fig. 6 is schematic diagram when rocker-arm automatic clutch actuator described in the utility model controls clutch combination；
In figure：
1- gearshifts driving motor stent, 2- gearshifts driving motor, 3- worm screws, 4- worm gears,
5- shafts, 6- short rocker arm|s, 7- power assistant springs, 8- drag-lines,
9- long rocking arms, 10- shift fork axles, 11- housings, 12- rotary angle transmitters,
13- release bearings, 14- clutches, 15- diaphragm springs, 16- clutch compressing discs,
17- clutch friction plates, 18- Flywheel discs, 19- shift forks, 20- shift fork bracing struts.
Specific embodiment
For the technical solution of the utility model is expanded on further, with reference to Figure of description, the specific implementation of the utility model
Mode is as follows：
The utility model provides a kind of rocker-arm automatic clutch actuator, and the execution end of the executing agency is
It controls shift fork that release bearing is driven to move along a straight line in an axial direction by rocker arm body, and then controls clutch separation or combination.Specifically
Ground, the executing agency are made of rocking arm drive component, shift fork executive module and control assembly.
As depicted in figs. 1 and 2, the rocking arm drive component is by gearshift driving motor 2, gearshift driving motor stent 1, worm screw
3rd, worm gear 4, shaft 5, short rocker arm| 6, power assistant spring 7, drag-line 8, long rocking arm 9, shift fork axle 10 and shift fork bracing strut 20 form；
The gearshift driving motor 2 is fastened by bolts on gearshift driving motor stent 1, and gearshift driving motor 2 passes through
Vehicle power supply provides the energy, and gearshift driving motor stent 1 is fixedly mounted on gear box casing, and gearshift driving motor 2 is sent out
Gearshift torque is by gearshift controller TCU by the way that its operating voltage is controlled to control；It is described gearshift driving motor 2 power output end with
3 coaxial transmission of worm screw connection (output shaft for driving motor 2 of shifting gears is worm screw 3), the other end of worm screw 3 is installed by copper sheathing
On housing 11, the rotating freely relative to housing 11 of worm screw 3 is realized；The worm gear 4 is meshed with worm screw 3 forms worm and gear
Transmission, primary speed-down torque mechanism of the Worm Wheel System pair as power transfer part, gearshift driving motor 2
Rotation drives 3 high speed rotation of worm screw, and then drives the low speed rotation of worm gear 4.
As shown in figure 3, the worm gear 4 is mounted on one end of shaft 5, the center of 4 end face of worm gear is provided with D-shaped hole, with
Correspondingly, one end of the shaft 5 is the D-shaped axis unidirectionally penetrated through, the D-shaped hole of worm gear 4 and the D-shaped shaft end of 5 one end of shaft
It matches, realizes the limiting on the two circumferencial direction, to ensure the ability of reliable delivery gearshift torque between worm gear 4 and shaft 5；
It is fixed in addition, worm gear 4 carries out axial limiting with shaft 5 by the shaft shoulder in shaft 5 and clamp spring so that worm gear 4 exists with shaft 5
It, can be around its axis synchronous rotary under the drive rotation of worm screw 3；The short rocker arm| 6 is mounted on the other end of shaft 5,6 bottom of short rocker arm|
The end face center position at end is provided with D-shaped hole, corresponds ground, and the other end of the shaft 5 is also processed as the D-shaped unidirectionally penetrated through
Axis, the D-shaped hole of short rocker arm| 6 are matched with the D-shaped shaft end of shaft 5, the limiting on the two circumferencial direction are realized, to ensure shaft 5
It being capable of reliable delivery gearshift torque between short rocker arm| 6；Also by the shaft shoulder and clamp spring in shaft 5 between short rocker arm| 6 and shaft 5
It carries out axial limiting to fix so that under the drive of shaft 5, short rocker arm| 6 is rotated synchronously around the axis of its shaft 5；
As previously mentioned, the end face of 6 bottom end of short rocker arm| is provided with D-shaped hole, for being connected with shaft 5；It is in addition, described
The top of short rocker arm| 6 is equipped with bolt, is installed for coordinating with power assistant spring 7；The middle part of the short rocker arm| 6 is also provided with through-hole, uses
It is connect in drag-line 8.
In addition, with worm screw 3 analogously, the end of the shaft 5 is mounted on also by copper sheathing on housing 11, is turned with realizing
Axis 5 is freely rotated relative to housing 11；
As shown in Figure 1, one end of the power assistant spring 7 is linked with gearshift driving motor stent 1, the other end and short rocker arm| 6
The bolt on top links.The function of the power assistant spring 7 is：It is swung when the top of short rocker arm| 6 to the direction far from power assistant spring 7
When, power assistant spring 7 occurs elastic deformation and is elongated, and the spring force of power assistant spring 7 is as resistance, mechanical energy conversion at this time
It is stored for elastic potential energy；When the top of short rocker arm| 6 to close to power assistant spring 7 direction swing when, power assistant spring 7 be released and
Restore elastic deformation, the spring force of power assistant spring 7 is as driving force, i.e. power-assisted at this time, the elasticity stored when being stretched
Potential energy is converted to mechanical energy；The use of power assistant spring 7 effectively reduces the power requirement to driving motor 2 of shifting gears, Rated motor
Capacity reduces, the cost reduction of entire executing agency.
The drag-line 8 is connected between short rocker arm| 6 and long rocking arm 9 so that when 6 large angle pendulum of short rocker arm|, can be passed through
Drag-line 8 pulls long 9 small angle oscillation of rocking arm.Wherein, one end of the drag-line 8 is fixed on the through hole at 6 middle part of short rocker arm|, drag-line
8 other end is connected to the top through hole of long rocking arm 9, and the drag-line 8 is equipped with adjusting nut with long 9 junction of rocking arm,
By turning rotation adjusting nut, the length of the drag-line 8 between long rocking arm 9 and short rocker arm| 6 can adjust, you can adjust drag-line 8
Active length.
As shown in figure 4, the top of the long rocking arm 9 is provided with through-hole, for fastening drag-line 8；The bottom end of long rocking arm 9 is provided with flower
Keyhole connect for the shaft end spline fitted with shift fork axle 10, realizes and reliably transmits gearshift torque.
One end of the shift fork axle 10 is processed as splined shaft, is matched with the splined hole of long 9 bottom end of rocking arm so that long rocking arm
9 swing can drive shift fork axle 10 to be rotated along its axis；Another end mill of the shift fork axle 10 is Flat plug, flat to insert
Head is inserted into rotary angle transmitter 12, the rotor of rotary angle transmitter 12 is driven to rotate synchronously so that rotary angle transmitter 12 can be surveyed accurately
Obtain the corner of shift fork axle 10；The both ends of the shift fork axle 10 are separately mounted on shift fork bracing strut 20, the shift fork bracing strut 20
It is fixedly mounted on gear box casing, is rotatably attached, made by copper sheathing between the shift fork axle 10 and shift fork bracing strut 20
Obtaining shift fork axle 10 can be freely rotated along its axis.
As depicted in figs. 1 and 2, the shift fork executive module is made of shift fork 19 and release bearing 13；
As shown in figure 4, the shift fork 19 is welded on the middle part of shift fork axle 10, the shift fork 19 is in the drive of shift fork axle 10
Under, it is rotated synchronously with shift fork axle 10；The release bearing 13 is coaxially mounted to the outside of clutch 14；The shift fork of shift fork 19 is installed
The axis of axis 10 is distributed with the axis misalignment of clutch 14, i.e. the axis misalignment cloth of the axis of shift fork axle 10 and release bearing 13
It puts；The shift fork head of the shift fork 19 is acted on the work shoulder of 13 both sides of release bearing, and the shift fork 19 is in shift fork axle 10
Drive under swung, and then press release bearing 13 and move along a straight line along its axis direction, the release bearing 13 is along its axis
The separation finger of the diaphragm spring 15 of the athletic meeting compressing of line direction or release clutch, so that clutch 14 is detached or combined.
The control assembly is by gearshift controller TCU and including rotary angle transmitter 12, gas pedal depth transducer, speed
Vehicle status sensor including sensor, brake pedal depth transducer etc.；
The control signal output of the gearshift controller TCU is connect with the signal receiving end for driving motor 2 of shifting gears, described
Vehicle-state including rotary angle transmitter 12, gas pedal depth transducer, vehicle speed sensor, brake pedal depth transducer etc.
Signal receiving end of the signal output end of sensor respectively with gearshift controller TCU is connect；
The rotary angle transmitter 12 is fixedly mounted on shift fork bracing strut 20, and is connect with the end of shift fork axle 10, as before
Described, another end mill of the shift fork axle 10 is Flat plug, and Flat plug is inserted into rotary angle transmitter 12, drives sensor
12 rotor rotates synchronously so that rotary angle transmitter 12 can accurately measure the corner of shift fork axle 10；Rotary angle transmitter 12, which measures, to be dialled
After the corner information of fork shaft 10, corner information Real-time Feedback is controlled into foundation, gearshift control to gearshift controller TCU as gearshift
Device TCU makes and sends control instruction to gearshift driving motor 2 after gearshift judges, finally shift fork is controlled to hold by rocking arm drive component
Row component operation；Receive the throttle of detection vehicle accelerator pedal depth with gearshift controller TCU described in the rotary angle transmitter 12
Tread depths sensor signal, the vehicle speed sensor signal for detecting car speed, the brake pedal depth for detecting brake pedal depth
Spend sensor signal etc.；Gearshift controller TCU makes gearshift using above-mentioned Vehicular status signal data as gearshift basis for estimation
Decision finally sends out command signal to rocking arm drive component, is combined or is detached with shift fork executive module control clutch, tool
Operating voltage, current direction and the start-stop of the existing driving motor 2 of shifting gears in order to control of body surface；In addition, gearshift controller TCU is also
By adjusting the torques of gearshift driving motor 2 in real time with the separation that controls clutch 14 or with reference to speed, to ensure to shift gears
Quality.
The course of work of rocker-arm automatic clutch actuator described in the utility model is specific as follows：
In order to make gearshift implementation procedure clearer, a kind of patent " electric vehicle power failure-free will be combined in the present embodiment
The gearbox proposed in manual transmission and its shift control method (CN105864368A) ", is specifically described the utility model institute
The specific work process for stating rocker-arm automatic clutch actuator is as follows：
1st, clutch separation implementation procedure；
As shown in figure 5, gearshift controller TCU is received respectively through rotary angle transmitter 12, gas pedal depth transducer, speed
Angular signal that sensor and brake pedal depth transducer are detected and sent, gas pedal depth signal, speed signal with
And the Vehicular status signals such as brake pedal depth signal, using Vehicular status signal as basis for estimation, done through analyzing calculation processing
Go out gearshift to judge, and then send out clutch separation instruction, at this point, gearbox changes a gear process for two gears；At this point, gearshift controller
TCU control driving gearshift driving motors 2 rotate in the forward direction startup, and gearshift driving motor 2 drives worm screw 3 to rotate forward, and worm screw 3 will
Power is transferred to worm gear 4, and worm gear 4 is driven to rotate clockwise, and then, worm gear 4 drives shaft 5 to rotate clockwise, and short rocker arm| 6 follows
Shaft 5, which synchronizes, to be rotated clockwise, and then pulls drag-line 8；At this point, power assistant spring 7 becomes free state from tensioning state, elasticity
Potential energy is mechanical energy, and the elastic restoring force of power assistant spring 7 helps to change as the inside elastically-deformable power-assisted of diaphragm spring 15
Gear driving motor 2 overcomes the elastic force of diaphragm spring 15 to do work；By drag-line 8, the large angle pendulum clockwise of short rocker arm| 6 drives length
The small angle oscillation clockwise of rocking arm 9, and then shift fork axle 10 is driven to rotate synchronously clockwise；At the same time, angular transducer 12
By the rotational angle information Real-time Feedback of shift fork axle 10 to TCU, closed-loop control is realized；
In above-mentioned clutch separation implementation procedure, the rotation of shift fork axle 10 drives the shift fork 19 of welding thereon along shift fork
The axis both clockwise of axis 10 is swung, and the shift fork head of shift fork 19 is caused to oppress release bearing 13 along its axis to close to clutch 14
Direction movement, the separation finger of diaphragm spring 15 is pressed into, and clutch compressing disc 16 is made to be detached with clutch friction plate 17；Gearshift control
The shift fork axle angular signal that device TCU real-time receptions rotary angle transmitter 12 processed detects monitors the corner situation of change of shift fork axle 10,
To calculate the movement velocity of release bearing 13, by being moved to the output torque control for driving motor 2 of shifting gears to release bearing 13
Speed is modified, and then controls the sliding wear process time of clutch 14 in shift process, ensures preferable shift quality and row
Vehicle comfort；In addition, by controlling the angular stop of short rocker arm| 6 that release bearing 13 is made to be in suitable position, make clutch separation
Thoroughly, the self-locking performance of worm gear mechanism, the counter spring force of diaphragm spring 15 are born by worm gear mechanism in addition, gearshift driving
For motor 2 without persistently loading, clutch 14 is reliably maintained at discrete state, i.e. speed changer keeps a gear steady-working state.
2nd, clutch combination implementation procedure；
As shown in fig. 6, gearshift controller TCU is received respectively through rotary angle transmitter 12, gas pedal depth transducer, speed
Angular signal that sensor and brake pedal depth transducer are detected and sent, gas pedal depth signal, speed signal with
And the Vehicular status signals such as brake pedal depth signal, using Vehicular status signal as basis for estimation, done through analyzing calculation processing
Go out to shift gears and judge, and then send out clutch and combine instruction, at this point, gearbox keeps off the process that shifts into second for one；At this point, gearshift controller
TCU control driving gearshift driving motors 2, which reversely rotate, to be started, and gearshift driving motor 2 drives worm screw 3 to rotate backward, and worm screw 3 will
Power is transferred to worm gear 4, and worm gear 4 is driven to rotate counterclockwise, and then, worm gear 4 drives shaft 5 to rotate counterclockwise, and short rocker arm| 6 follows
Shaft 5, which synchronizes, to be rotated counterclockwise, and then discharges drag-line 8；The reactive spring force of diaphragm spring 15 causes long rocking arm 9 has reversely to turn
Dynamic trend so that drag-line 8 is still tensioned；At this point, power assistant spring 7 is gradually tensioned from free state, bullet is converted mechanical energy into
Property potential energy storage get up, the elastic restoring force of power assistant spring 7 helps to drive as the elastically-deformable resistance outward of diaphragm spring 15
Motor 2 overcomes the elastic force of diaphragm spring 15 to do work, and can improve the control performance of 14 cohesive process of clutch；
Under the action of 15 counter-force of diaphragm spring, release bearing 13 is displaced outwardly, and reversely push along 14 axis of clutch
The shift fork head of shift fork 19 drives shift fork axle 10 to rotate counterclockwise, and then drives long 9 counter-clockwise swing of rocking arm, long by drag-line 8
The small angle oscillation of rocking arm 9 drives the wide-angle counter-clockwise swing of short rocker arm| 6, is driven by the pulling force that power assistant spring 7 provides and gearshift
Dynamic motor 2 provides combination speed of the counter current opplied moment as draught control clutch 14；
At the same time, the signal of gearshift controller TCU real-time receptions rotary angle transmitter 12, the corner of monitoring shift fork axle 10 become
Change situation to calculate the movement velocity of release bearing 13, is controlled by the output torque to driving motor 2 of shifting gears to release bearing
13 movement velocitys are modified, and then control the sliding wear process time of clutch 14 in shift process, ensure preferable gearshift product
Matter and road-ability；Release bearing 13 is made to be in suitable position by the stop angle for controlling short rocker arm| 6, make clutch 14
It is completely combined.
3rd, friction disc wear self-compensating process；
In the implementation procedure of above-mentioned drag-line clutch control executing agency, with VMT Vehicle-Miles of Travel and gearshift number
Increase, clutch friction plate 17 due to abrasion gradually it is thinning, by the structural principle of clutch it is found that with clutch friction plate
17 is thinning, and the separation finger of 15 inner ring of diaphragm spring is more raised compared with initial position (i.e. further from clutch), when clutch combines
When, if position when position of the release bearing 13 when clutch 14 combines remains as original state, can make clutch compressing disc
Pressing force between 16 and clutch friction plate 17 becomes smaller, and sliding is generated between clutch friction plate 17 and clutch compressing disc 16,
Cause clutch 14 can not reliable delivery torque.
To overcome the above problem, need to compensate the abrasion of clutch friction plate 17, process is as follows：
When each gearshift controller control clutch 14 detaches, judged by driving motor operating current sign mutation, it will
Shift fork head just touches the shoulder of release bearing 13, and corner when release bearing 13 has just touched diaphragm spring separation finger is denoted as
" binding site ", when combining gearshift controller TCU control clutches 14, by the way that rocking arm drive component is controlled to make release bearing 13
" binding site " when being combined than last clutch 14 is moved to further from the position of clutch 14, in next secondary control clutch
During 14 separation, gearshift controller TCU judges shift fork 19 again according to driving motor operating current signal and shift fork angular signal
Shift fork head touches release bearing 13 and works shoulder and release bearing 13 shift fork axle 10 when touching diaphragm spring separation finger
Corner, and in this, as new " binding site ", when next secondary control clutch 14 combines, make release bearing 13 in new " knot
On the basis of chalaza ", the position further from clutch 14 is moved to；
So cycle, with the abrasion of clutch friction plate 17, " binding site " position is constantly updated therewith, " binding site " by
Gradually moved to the direction far from clutch, after ensureing that clutch friction plate 17 is worn with this, clutch 14 remains to reliable connection, into
And reliable delivery power.
Claims (6)
1. a kind of rocker-arm automatic clutch actuator, it is characterised in that：
It is made of rocking arm drive component, shift fork executive module and control assembly；
The rocking arm drive component is by gearshift driving motor (2), worm screw (3), worm gear (4), shaft (5), short rocker arm| (6), power-assisted
Spring (7), drag-line (8), long rocking arm (9) and shift fork axle (10)；Wherein, the worm screw (3) is coaxially connected in gearshift driving motor
(2) output terminal, worm gear (4) and worm screw (3) engaged transmission, the worm gear (4), shaft (5), short rocker arm| (6), drag-line (8), length
Rocking arm (9) and shift fork axle (10) are sequentially connected, and power is transferred to shift fork axle successively after gearshift driving motor (2) exports
(10), described power assistant spring (7) one end is connect with short rocker arm| (6), and the other end is fixed on housing；
The shift fork executive module is co-axially mounted by the shift fork (19) that is fixed in the middle part of shift fork axle (10) and with clutch (14)
Release bearing (13) composition, the shift fork crown of the shift fork (19) is leaned against on the work shoulder of release bearing (13), with top pressure
Release bearing (13) is along its axial linear movement；
The vehicle-state sensing that the control assembly is connect by gearshift controller TCU and respectively with gearshift controller TCU signals
Device forms, and the gearshift controller TCU is connect with gearshift driving motor (2) signal, realizes the dynamic of control gearshift driving motor (2)
Power exports, so as to control the motion state of shift fork executive module by rocking arm drive component.
2. a kind of rocker-arm automatic clutch actuator as described in claim 1, it is characterised in that：
The both ends of the shaft (5) are connected by D-shaped axis with the D-shaped hole on worm gear (4) and short rocker arm| (6) respectively, are realized
Circumferencial direction positions, to transmit torque；Also pass through the axis in shaft (5) between worm gear (4) and short rocker arm| (6) and shaft (5)
Shoulder and clamp spring carry out axially position；
The bottom of the short rocker arm| (6) is connect with shaft (5), and top is connect with power assistant spring (7), middle part and drag-line (8) one end
Rotation connection；
The other end of drag-line (8) is connect with the top of long rocking arm (9), and bottom end and the shift fork axle (10) of long rocking arm (9) pass through spline
It is sequentially connected.
3. a kind of rocker-arm automatic clutch actuator as claimed in claim 1 or 2, it is characterised in that：
The drag-line (8) is equipped with adjusting nut with long rocking arm (9) junction, and long rocking arm is adjusted by adjusting adjusting nut
(9) between short rocker arm| (6) drag-line (8) active length.
4. a kind of rocker-arm automatic clutch actuator as described in claim 1, it is characterised in that：
The both ends of the shift fork axle (10) are separately mounted on shift fork bracing strut (20), and the shift fork bracing strut (20) is fixedly mounted
On the housing of gearbox, it is rotatably connected between the shift fork axle (10) and shift fork bracing strut (20) by copper sheathing.
5. a kind of rocker-arm automatic clutch actuator as described in claim 1, it is characterised in that：
The vehicle status sensor is stepped on by rotary angle transmitter (12), gas pedal depth transducer, vehicle speed sensor or brake
Plate depth transducer forms.
6. a kind of rocker-arm automatic clutch actuator as claimed in claim 5, it is characterised in that：
The rotary angle transmitter (12) is connected with the end of shift fork axle (10), and the end of the shift fork axle (10) is processed as flat insert
Head, the Flat plug are inserted into rotary angle transmitter (12), the rotor of rotary angle transmitter (12) are driven to rotate synchronously, and then by turning
The corner of angle transducer (12) detection shift fork axle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538545.3U CN207583890U (en) | 2017-11-17 | 2017-11-17 | A kind of rocker-arm automatic clutch actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721538545.3U CN207583890U (en) | 2017-11-17 | 2017-11-17 | A kind of rocker-arm automatic clutch actuator |
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| CN207583890U true CN207583890U (en) | 2018-07-06 |
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| CN201721538545.3U Expired - Fee Related CN207583890U (en) | 2017-11-17 | 2017-11-17 | A kind of rocker-arm automatic clutch actuator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607712A (en) * | 2022-03-16 | 2022-06-10 | 中国原子能科学研究院 | Deflector rod mechanism and clutch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607712A (en) * | 2022-03-16 | 2022-06-10 | 中国原子能科学研究院 | Deflector rod mechanism and clutch |
| CN114607712B (en) * | 2022-03-16 | 2023-09-29 | 中国原子能科学研究院 | Driving lever mechanism and clutch |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20211117 |