CN108533638A - Automatic clutch operating mechanism - Google Patents

Automatic clutch operating mechanism Download PDF

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Publication number
CN108533638A
CN108533638A CN201810323705.5A CN201810323705A CN108533638A CN 108533638 A CN108533638 A CN 108533638A CN 201810323705 A CN201810323705 A CN 201810323705A CN 108533638 A CN108533638 A CN 108533638A
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CN
China
Prior art keywords
clutch
hydraulic cylinder
rocker
piston rod
cylinder piston
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810323705.5A
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Chinese (zh)
Other versions
CN108533638B (en
Inventor
何耀华
吴帮辉
张祥勃
徐甜子
周自勇
孙士衡
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN201810323705.5A priority Critical patent/CN108533638B/en
Publication of CN108533638A publication Critical patent/CN108533638A/en
Application granted granted Critical
Publication of CN108533638B publication Critical patent/CN108533638B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00External control of clutches
    • F16D48/02Control by fluid pressure

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The present invention relates to a kind of automatic clutch operating mechanisms, control hydraulic cylinder piston rod stretching makes push jack that secondary-rocker be pushed to drive the rotation of clutch rocker arm shaft after controller receives separation signal, controller, which receives control hydraulic cylinder piston rod retraction after engagement signal, enables resetting spring that clutch rocker arm shaft to be driven to reset, and movable sleeve moves and not sliding active bar along motion bar when hydraulic cylinder piston rod moves;Motion bar pull-up movable sleeve makes master rocker drive the rotation of clutch rocker arm shaft when operating clutch pedal, and resetting spring drives clutch rocker arm shaft to reset when releasing the clutch pedal, and secondary-rocker empty set moves on extension rod when clutch pedal moves;Controller by real-time hydraulic cylinder piston rod position control hydraulic cylinder piston rod stretch out in place, retract in place and retraction speed.The pedal clutch and fluid pressure type automatic clutch of the mechanism, which respectively work independently, to be independent of each other, and improves ride comfort when clutch engagement.

Description

Automatic clutch operating mechanism
Technical field
The invention belongs to vehicular fields, and in particular to a kind of automatic clutch operating mechanism.
Background technology
With fluid pressure type automatic clutch maturation and it is universal, some vehicles can be added on the basis of traditional pedal clutch Fluid pressure type automatic clutch, some vehicles, e.g., tractor, lorry etc., it is still desirable to use pedal clutch, therefore can adopt simultaneously With fluid pressure type automatic clutch and pedal clutch, the occasion for the fluid pressure type automatic clutch being either transformed by pedal clutch, still The occasion that fluid pressure type automatic clutch and pedal clutch share, all has the following problems:Fluid pressure type automatic clutch and pedal clutch are total With a clutch rocker arm shaft and resetting spring, the rotation of clutch rocker arm shaft realizes that separation, clutch rocker arm shaft are resetted by resetting spring Realize that engagement, fluid pressure type automatic clutch and pedal clutch when driving the rotation of clutch rocker arm shaft, can interfere with each other between the two, from And the normal operating of driver is influenced, and both there are problems that engaging irregularity, when shift, will appear serious Frustrate sense.
Invention content
The object of the present invention is to provide a kind of automatic clutch operating mechanism, the pedal clutch and fluid pressure type of the mechanism are automatic Clutch respectively works independently and is independent of each other, and improves ride comfort when clutch engagement.
The technical solution adopted in the present invention is:
A kind of automatic clutch operating mechanism, including controller, to controller send separation/engagement signal manipulation open Pass, hydraulic cylinder detect the displacement sensor of hydraulic cylinder piston rod real time position, clutch pedal, are connect with clutch pedal Motion bar, the movable sleeve being sleeved on motion bar, one end and the hinged master rocker of movable sleeve, with the fixed extension of hydraulic cylinder piston rod Bar and push jack, one end are sleeved on the secondary-rocker on extension rod, and the other end of master rocker and secondary-rocker is fixed with clutch rocker arm shaft;Control Control hydraulic cylinder piston rod stretching makes push jack that secondary-rocker be pushed to drive the rotation of clutch rocker arm shaft, control after device processed receives separation signal Control hydraulic cylinder piston rod retraction enables resetting spring that clutch rocker arm shaft to be driven to reset after device receives engagement signal, hydraulic cylinder piston Movable sleeve moves and not sliding active bar along motion bar when bar moves;Motion bar pull-up movable sleeve makes master when operating clutch pedal Rocking arm drives the rotation of clutch rocker arm shaft, and resetting spring drives clutch rocker arm shaft to reset when releasing the clutch pedal, clutch pedal Secondary-rocker empty set moves on extension rod when movement;Controller controls hydraulic cylinder piston rod by real-time hydraulic cylinder piston rod position Stretch out in place, retract in place and retraction speed.
Further, displacement-rate pattern is prestored in controller, displacement-rate pattern includes hydraulic cylinder piston everywhere The corresponding retraction speed that can reduce joint impact degree in bar position, controller obtain behind real-time hydraulic cylinder piston rod position according to position Corresponding retraction speed controls hydraulic cylinder piston rod in shifting-rate pattern.
Further, the switching that controller is extended and retracted by solenoid directional control valve realization hydraulic cylinder piston rod, passes through ratio Example flow valve realizes the control of retraction speed.
Further, the spring of compression is set on extension rod between push jack and secondary-rocker, push jack and secondary-rocker are at least logical Cross spring mediate contact.
Further, be set with steel ball on extension rod between push jack and secondary-rocker, secondary-rocker is equipped with bellmouth, steel ball with Bellmouth contacts.
Further, the spring, gasket and steel ball of compression are set on extension rod between push jack and secondary-rocker, on secondary-rocker Equipped with bellmouth, steel ball is contacted with bellmouth, and gasket is stuck between spring and steel ball.
Further, enlarged slot is equipped in the middle part of movable sleeve, motion bar bottom end is stretched into after passing through at the top of movable sleeve in enlarged slot, Motion bar bottom end is equipped with block, and block makes motion bar not fall out enlarged slot, and enlarged slot is opposite when hydraulic cylinder piston rod moves Block moves, and motion bar pulls up movable sleeve by block when operating clutch pedal.
Further, the one end of movable sleeve far from motion bar is connected with u shaped connector, and master rocker is hinged on the U-shaped of u shaped connector In slot.
Further, displacement sensor is fixed on by sensor stand on hydraulic cylinder, the measuring rod of displacement sensor with Push jack is connected and fixed.
Further, hydraulic cylinder is mounted on by hydraulic cylinder base on automobile chassis.
The beneficial effects of the invention are as follows:
The pedal clutch and fluid pressure type automatic clutch of the mechanism, which respectively work independently, to be independent of each other --- it is connect with master rocker Motion bar and movable sleeve ensure that hydraulic cylinder can not drive clutch pedal, i.e., fluid pressure type automatic clutch do not interfere with ride from It closes, secondary-rocker, which is sleeved on, ensure that the action of clutch pedal will not interfere hydraulic cylinder, i.e. pedal clutch not to interfere on extension rod Fluid pressure type automatic clutch;Be suitble to the fluid pressure type automatic clutch being transformed by pedal clutch occasion and fluid pressure type automatic clutch and The shared occasion of pedal clutch.
Since the retraction speed of hydraulic cylinder piston rod is controllable, clutch can be reduced by controlling retraction speed The shock extent generated is engaged, ride comfort when clutch engagement is improved.
Description of the drawings
Fig. 1 is the structural schematic diagram (not including controller, clutch pedal and resetting spring) of the embodiment of the present invention.
Fig. 2 is hydraulic cylinder in the embodiment of the present invention, displacement sensor, sensor stand, push jack, extension rod, spring, pad The scheme of installation of piece, steel ball and secondary-rocker.
Fig. 3 is the installation signal of motion bar in the embodiment of the present invention, movable sleeve, u shaped connector, master rocker and clutch rocker arm shaft Figure.
In figure:1- hydraulic cylinder bases;2- hydraulic cylinders;3- push jacks;4- springs;5- gaskets;6- steel balls;7- extension rods;8- pairs Rocking arm;9- sensor stands;10- displacement sensors;11- master rockers;12- movable sleeves;13- motion bars;14- clutch rocker arm shafts; 15-U type joints.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of automatic clutch operating mechanism, including controller, to controller send separation/engagement signal Manipulation switch (general manipulations switch is all in driver's cabin), (in the present embodiment, hydraulic cylinder 2 passes through liquid to hydraulic cylinder 2 Cylinder pressure pedestal 1 be mounted on automobile chassis on), detection 2 piston rod real time position of hydraulic cylinder displacement sensor 10, clutch step on Plate, the motion bar 13 being connect with clutch pedal, the movable sleeve 12 being sleeved on motion bar 13, one end and the hinged master of movable sleeve 12 Rocking arm 11 is sleeved on the secondary-rocker 8 on extension rod 7, master rocker with the fixed extension rod 7 of 2 piston rod of hydraulic cylinder and push jack 3, one end 11 and secondary-rocker 8 the other end with clutch rocker arm shaft 14 fix;Controller controls 2 piston rod of hydraulic cylinder after receiving separation signal Stretching makes push jack 3 push secondary-rocker 8 that clutch rocker arm shaft 14 is driven to rotate, and control hydraulic cylinder 2 is lived after controller receives engagement signal Stopper rod retraction enables resetting spring that clutch rocker arm shaft 14 to be driven to reset, and movable sleeve 12 is along motion bar when 2 piston rod movement of hydraulic cylinder 13 movements and not sliding active bar 13;Motion bar 13, which pulls up movable sleeve 12, when operating clutch pedal makes master rocker 11 drive clutch Rocker arm shaft 14 rotates, and resetting spring drives clutch rocker arm shaft 14 to reset when releasing the clutch pedal, pair when clutch pedal moves 8 empty set of rocking arm moves on extension rod 7;Controller controls 2 piston rod of hydraulic cylinder by 2 piston rod position of real-time hydraulic cylinder and stretches out In place, it retracts in place and retraction speed.
The pedal clutch and fluid pressure type automatic clutch of the mechanism, which respectively work independently, to be independent of each other --- connect with master rocker 11 The motion bar 13 and movable sleeve 12 connect ensure that hydraulic cylinder 2 can not drive clutch pedal, i.e. fluid pressure type automatic clutch will not shadow Ring pedal clutch, secondary-rocker 8, which is sleeved on, ensure that the action of clutch pedal will not interfere hydraulic cylinder 2 on extension rod 7, that is, ride from Conjunction does not interfere with fluid pressure type automatic clutch;It is suitble to the occasion and fluid pressure type of the fluid pressure type automatic clutch being transformed by pedal clutch The occasion that automatic clutch and pedal clutch share.
Since the retraction speed of 2 piston rod of hydraulic cylinder is controllable, clutch can be reduced by controlling retraction speed The shock extent that device engagement generates improves ride comfort when clutch engagement.
In the present embodiment, displacement-rate pattern is prestored in controller, displacement-rate pattern includes hydraulic cylinder 2 everywhere The corresponding retraction speed that can reduce joint impact degree of piston rod position, after controller obtains 2 piston rod position of real-time hydraulic cylinder 2 piston rod of hydraulic cylinder is controlled according to corresponding retraction speed in displacement-rate pattern.By the experiment of early period or simulate in place Shifting-rate pattern, it is not necessary to add the extra sensor such as force snesor, you can obtain rational retraction speed, response is fast.
In the present embodiment, the switching that controller is extended and retracted by solenoid directional control valve realization 2 piston rod of hydraulic cylinder, leads to Cross the control that proportional flow control valve realizes retraction speed.It is the control that comparative maturity is stablized using solenoid directional control valve and proportional flow control valve Method.
As depicted in figs. 1 and 2, in the present embodiment, the bullet of compression is set on extension rod 7 between push jack 3 and secondary-rocker 8 Spring 4, gasket 5 and steel ball 6, secondary-rocker 8 are equipped with bellmouth, and steel ball 6 is contacted with bellmouth, and gasket 5 is stuck in spring 4 and steel ball 6 Between.Stiffness equivalent between push jack 3 and secondary-rocker 8 to suitable range can be improved ride comfort when engagement by spring 4, compared with Mutation is lacked;Steel ball 6 is contacted with bellmouth pushes secondary-rocker 8, increases contact area and the uniformity of contact, improves use Service life.
As shown in figures 1 and 3, in the present embodiment, 12 middle part of movable sleeve is equipped with enlarged slot, and 13 bottom end of motion bar, which passes through, lives Dynamic set stretches into behind 12 top in enlarged slot, and 13 bottom end of motion bar is equipped with block, and block makes motion bar 13 not fall out enlarged slot, Enlarged slot is moved with respect to block when 2 piston rod movement of hydraulic cylinder, and motion bar 13 is pulled up by block and lived when operating clutch pedal Dynamic set 12.Motion bar 13 and movable sleeve 12 are arranged enlarged slot and block, ensure that motion bar 13 on the basis of mutual socket Stretchy movable sleeve 12, and when 12 upward sliding of movable sleeve will not sliding active bar 13, thus hydraulic cylinder 2 can not drive clutch Pedal.
As shown in figures 1 and 3, in the present embodiment, the one end of movable sleeve 12 far from motion bar 13 is connected with u shaped connector 15, master rocker 11 is hinged in the U-type groove of u shaped connector 15.Master rocker 11 and movable sleeve 12 are hinged by u shaped connector 15, It can ensure that the active force of master rocker 11 is applied on the axial centre face of movable sleeve 12.
As depicted in figs. 1 and 2, in the present embodiment, displacement sensor 10 is fixed on hydraulic cylinder 2 by sensor stand 9 On, measuring rod and the push jack 3 of displacement sensor 10 are connected and fixed.The ontology and measuring rod of displacement sensor 10 respectively with hydraulic cylinder 2 and push jack 3 fix, measure will not by hydraulic cylinder 2 shake be influenced, Measurement reliability is good.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description, And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (10)

1. a kind of automatic clutch operating mechanism, it is characterised in that:Separation/engagement signal is sent including controller, to controller Manipulation switch, hydraulic cylinder, detect the displacement sensor of hydraulic cylinder piston rod real time position, clutch pedal, stepped on clutch The hinged master rocker of the motion bar of plate connection, movable sleeve, one end and the movable sleeve being sleeved on motion bar is consolidated with hydraulic cylinder piston rod Fixed extension rod and push jack, one end are sleeved on the secondary-rocker on extension rod, the other end of master rocker and secondary-rocker with clutch rocking arm Axis is fixed;Control hydraulic cylinder piston rod stretching makes push jack that secondary-rocker be pushed to drive clutch rocker arm shaft after controller receives separation signal Rotation, controller, which receives control hydraulic cylinder piston rod retraction after engagement signal, enables resetting spring that clutch rocker arm shaft to be driven to reset, Movable sleeve moves and not sliding active bar along motion bar when hydraulic cylinder piston rod moves;Motion bar pulls up when operating clutch pedal Movable sleeve makes master rocker drive the rotation of clutch rocker arm shaft, and resetting spring drives clutch rocker arm shaft to reset when releasing the clutch pedal, Secondary-rocker empty set moves on extension rod when clutch pedal moves;Controller controls liquid by real-time hydraulic cylinder piston rod position Pressure cylinder piston bar stretch out in place, retract in place and retraction speed.
2. automatic clutch operating mechanism as described in claim 1, it is characterised in that:Displacement-speed is prestored in controller Model, displacement-rate pattern include the corresponding retraction speed that can reduce joint impact degree in hydraulic cylinder piston rod position everywhere, control Device processed obtains controlling hydraulic cylinder piston according to corresponding retraction speed in displacement-rate pattern behind real-time hydraulic cylinder piston rod position Bar.
3. automatic clutch operating mechanism as described in claim 1, it is characterised in that:Controller is realized by solenoid directional control valve The control of retraction speed is realized in the switching that hydraulic cylinder piston rod extends and retracts by proportional flow control valve.
4. automatic clutch operating mechanism as described in claim 1, it is characterised in that:On extension rod between push jack and secondary-rocker The spring of compression, push jack and secondary-rocker are set at least through spring mediate contact.
5. automatic clutch operating mechanism as described in claim 1, it is characterised in that:On extension rod between push jack and secondary-rocker It is set with steel ball, secondary-rocker is equipped with bellmouth, and steel ball is contacted with bellmouth.
6. automatic clutch operating mechanism as described in claim 1, it is characterised in that:On extension rod between push jack and secondary-rocker It is set with the spring, gasket and steel ball of compression, secondary-rocker is equipped with bellmouth, and steel ball is contacted with bellmouth, and gasket is stuck in spring Between steel ball.
7. automatic clutch operating mechanism as described in claim 1, it is characterised in that:Enlarged slot is equipped in the middle part of movable sleeve, it is living Lever bottom end is stretched into after passing through at the top of movable sleeve in enlarged slot, and motion bar bottom end is equipped with block, and block makes motion bar not take off Go out enlarged slot, enlarged slot is moved with respect to block when hydraulic cylinder piston rod moves, and motion bar passes through block when operating clutch pedal Pull up movable sleeve.
8. automatic clutch operating mechanism as described in claim 1, it is characterised in that:The one end of movable sleeve far from motion bar connects It is connected to u shaped connector, master rocker is hinged in the U-type groove of u shaped connector.
9. automatic clutch operating mechanism as described in claim 1, it is characterised in that:Displacement sensor passes through sensor stand It is fixed on hydraulic cylinder, measuring rod and the push jack of displacement sensor are connected and fixed.
10. automatic clutch operating mechanism as described in claim 1, it is characterised in that:Hydraulic cylinder is pacified by hydraulic cylinder base On automobile chassis.
CN201810323705.5A 2018-04-11 2018-04-11 Automatic clutch operating mechanism Expired - Fee Related CN108533638B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810323705.5A CN108533638B (en) 2018-04-11 2018-04-11 Automatic clutch operating mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810323705.5A CN108533638B (en) 2018-04-11 2018-04-11 Automatic clutch operating mechanism

Publications (2)

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CN108533638A true CN108533638A (en) 2018-09-14
CN108533638B CN108533638B (en) 2019-10-01

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200945924Y (en) * 2006-06-21 2007-09-12 韩群山 Motorcycle clutch control device
CN201137653Y (en) * 2007-11-22 2008-10-22 吉林大学 Pneumatic liquid-control type clutch automatic control device
CN201240485Y (en) * 2008-07-26 2009-05-20 王熙波 Manual and automatic integrated clutch of motorcycle
CN201626308U (en) * 2010-03-15 2010-11-10 山东时风(集团)有限责任公司 Motor vehicle clutch power assisting device
CN101893044A (en) * 2010-07-21 2010-11-24 吉林大学 Pneumatic, manual and automatic integrated clutch control system
CN202463578U (en) * 2012-01-15 2012-10-03 福田雷沃国际重工股份有限公司 Hydraumatic-power-assisted tractor clutch controlling mechanism
CN102797768A (en) * 2012-08-27 2012-11-28 安徽江淮汽车股份有限公司 Hydraulic clutch executing mechanism of AMT (automatic mechanical transmission)
CN102979835A (en) * 2012-11-23 2013-03-20 武汉理工通宇新源动力有限公司 Driving device of double-mode clutch
CN103129379A (en) * 2013-01-31 2013-06-05 杨勇 Device for controlling clutch pedal to be separated and combined automatically by using engine oil pressure
CN204371986U (en) * 2014-12-31 2015-06-03 于潇哲 A kind of semi-automatic clutch
CN204755652U (en) * 2015-06-29 2015-11-11 陈洪波 Automatic wheeling unit of fluid pressure type
CN206754226U (en) * 2017-05-27 2017-12-15 河南瑞创通用机械制造有限公司 A kind of body clutch operating device with power-assisted
CN107676474A (en) * 2017-11-27 2018-02-09 潍坊职业学院 A kind of two-way function cable type speed-changer operation device
CN207064516U (en) * 2017-07-24 2018-03-02 山东潍坊鲁中拖拉机有限公司 Tractor electric control clutch

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200945924Y (en) * 2006-06-21 2007-09-12 韩群山 Motorcycle clutch control device
CN201137653Y (en) * 2007-11-22 2008-10-22 吉林大学 Pneumatic liquid-control type clutch automatic control device
CN201240485Y (en) * 2008-07-26 2009-05-20 王熙波 Manual and automatic integrated clutch of motorcycle
CN201626308U (en) * 2010-03-15 2010-11-10 山东时风(集团)有限责任公司 Motor vehicle clutch power assisting device
CN101893044A (en) * 2010-07-21 2010-11-24 吉林大学 Pneumatic, manual and automatic integrated clutch control system
CN202463578U (en) * 2012-01-15 2012-10-03 福田雷沃国际重工股份有限公司 Hydraumatic-power-assisted tractor clutch controlling mechanism
CN102797768A (en) * 2012-08-27 2012-11-28 安徽江淮汽车股份有限公司 Hydraulic clutch executing mechanism of AMT (automatic mechanical transmission)
CN102979835A (en) * 2012-11-23 2013-03-20 武汉理工通宇新源动力有限公司 Driving device of double-mode clutch
CN103129379A (en) * 2013-01-31 2013-06-05 杨勇 Device for controlling clutch pedal to be separated and combined automatically by using engine oil pressure
CN204371986U (en) * 2014-12-31 2015-06-03 于潇哲 A kind of semi-automatic clutch
CN204755652U (en) * 2015-06-29 2015-11-11 陈洪波 Automatic wheeling unit of fluid pressure type
CN206754226U (en) * 2017-05-27 2017-12-15 河南瑞创通用机械制造有限公司 A kind of body clutch operating device with power-assisted
CN207064516U (en) * 2017-07-24 2018-03-02 山东潍坊鲁中拖拉机有限公司 Tractor electric control clutch
CN107676474A (en) * 2017-11-27 2018-02-09 潍坊职业学院 A kind of two-way function cable type speed-changer operation device

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Granted publication date: 20191001

Termination date: 20200411