CN107202141A - Cam shift type double-clutch speed changer - Google Patents

Cam shift type double-clutch speed changer Download PDF

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Publication number
CN107202141A
CN107202141A CN201710489887.9A CN201710489887A CN107202141A CN 107202141 A CN107202141 A CN 107202141A CN 201710489887 A CN201710489887 A CN 201710489887A CN 107202141 A CN107202141 A CN 107202141A
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CN
China
Prior art keywords
clutch
double
speed changer
cam
gear
Prior art date
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.)
Pending
Application number
CN201710489887.9A
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Chinese (zh)
Inventor
王吉龙
郭军敬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Longwang Electromechanical Co Ltd
Original Assignee
Chongqing Longwang Electromechanical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Longwang Electromechanical Co Ltd filed Critical Chongqing Longwang Electromechanical Co Ltd
Priority to CN201710489887.9A priority Critical patent/CN107202141A/en
Publication of CN107202141A publication Critical patent/CN107202141A/en
Pending legal-status Critical Current

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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
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention discloses a kind of cam shift type double-clutch speed changer, including double clutch, transmission assembly and shifting cam;The shifting cam is used for driving transmission assembly and double clutch respectively and accordingly shifted gears and replaced engagement, the double clutch and transmission assembly that a shifting cam in the double-clutch speed changer of the present invention is manipulated in double-clutch speed changer simultaneously are acted, so as to significantly simplify the structure of double clutch operating mechanism, the manufacturing cost and assembly difficulty of double-clutch speed changer are reduced.

Description

Cam shift type double-clutch speed changer
Technical field
The present invention relates to speed changer field, specifically a kind of cam shift type double-clutch speed changer.
Background technology
Double-clutch speed changer combines the advantage of manual transmission and automatic transmission, not using torque-converters, then adopts With two sets of clutches, work is alternateed by two sets of clutches, to reach the effect of gapless gearshift, not only makes automobile Driving becomes simpler, but also is effectively improved the comfortableness, dynamic property and security of automobile.
In the prior art, the double clutch and speed changer of dual-clutch transmission generally utilize two independent gearshifts Shifted gears, such as Publication No. CN205101493U Chinese patent application discloses a kind of double-clutch speed changer device, this pair The double clutch and transmission assembly of clutch speed changer are controlled by two cylinder grooved cams respectively, this structure type Double-clutch speed changer operating mechanism, due to need two sets of operating mechanisms double clutch and speed changer are manipulated respectively, because This, adds the amount of parts and manufacturing cost of double-clutch speed changer assembly, in addition, in existing double-clutch speed changer, by Need to be linked in two sets of operating mechanisms, cause the assembly technology of transmission assembly complex, and operating mechanism work Reliability is told somebody what one's real intentions are.
Therefore, for solution problem above, it is necessary to a kind of cam shift type double-clutch speed changer, the double clutches of the cam shift type The double clutch and transmission assembly that a shifting cam in speed changer is manipulated in double-clutch speed changer simultaneously are acted, from And significantly simplify the structure of double clutch operating mechanism, reduce the manufacturing cost and assembly difficulty of double-clutch speed changer.
The content of the invention
In view of this, the purpose of the present invention is to overcome defect of the prior art there is provided a kind of double clutches of cam shift type A shifting cam in speed changer, the cam shift type double-clutch speed changer manipulates double clutches in double-clutch speed changer simultaneously Device and transmission assembly are acted, so as to significantly simplify the structure of double clutch operating mechanism, reduce double-clutch speed changer Manufacturing cost and assembly difficulty.
The cam shift type double-clutch speed changer of the present invention, including double clutch, transmission assembly and shifting cam;It is described Shifting cam is used for driving transmission assembly and double clutch respectively and accordingly shifted gears and replaced engagement;
Further, the shifting cam is cylinder end face grooved cam;The end face of the cylinder end face grooved cam is used for Double clutch is driven alternately to engage;The chute of cylinder end face grooved cam is used to drive transmission assembly to shift gears;
Further, the transmission assembly is provided with multiple gearshift fasteners and reciprocal vertically by the gearshift fastener Movement is shifted gears;It is described that the chute of the cylinder end face grooved cam drives multiple gearshift gearshift fasteners to carry out simultaneously Move back and forth;
Further, the double clutch includes power intake and corresponds to the first clutch by alternately engagement respectively Receive the first clutch end and the second clutch end of the power of the power intake with second clutch;Described first Clutch end is the first clutch that contains the cover body of first clutch and second clutch and be connected with the cover body External diameter is more than the external diameter of second clutch;
Further, the transmission assembly includes inputting with the first power that first clutch end is connected Axle, the second power input shaft and power output shaft being connected with second clutch end;First power is defeated Enter between axle and power output shaft, be respectively formed gear shift drive mechanism between the second power input shaft and power output shaft;
Further, the cover body is integral type structure, and its diameter is gradually reduced from oral area to bottom;
Further, first power input shaft is coaxially rotatably to be coated at the hollow of second power input shaft Axle;
Further, the double clutch also includes the clutch heart set being connected with the power intake, described the One clutch includes the first static friction piece for being fixed on the first movable friction plate of clutch heart set and coordinating with the first movable friction plate, Second clutch includes the second static friction for being fixed on the second movable friction plate of clutch heart set and coordinating with the second movable friction plate Piece, the clutch heart set includes co-axially fixed big footpath cylinder and path cylinder;The first movable friction plate overcoat is fixed on The big footpath cylinder is cylindrical, and it is cylindrical that the second movable friction plate overcoat is fixed on path cylinder;
Further, the double clutch also include have be linked and by slide axially circumferencial direction transmission in the way of with The clutch heart set connection the first platen and the second platen, second platen vertically be provided with guide pillar, the guide pillar pass through from The clutch heart set is fixedly connected with the first platen, the second platen be provided with make second clutch engagement pretightning force, the first platen can gram The pretightning force is taken to link with the formation of the second platen and separate second clutch and engage first clutch;
First gear that further, the gear shift drive mechanism includes axially being sequentially distributed along power output shaft is secondary, Second gear is secondary, three gear gear pairs and four keep off gear pairs;By described between first power input shaft and power output shaft Second gear is secondary and four gear gear pairs transmit power, and first gear is passed through between second power input shaft and power output shaft Secondary and three gear gear pair transmission power.
The beneficial effects of the invention are as follows:The cam shift type double-clutch speed changer of the present invention, shifting cam drives double simultaneously Double clutch and speed changer in clutch speed changer accordingly carry out alternately engagement and gearshift;Therefore, this double-clutch speed changer assembly It only can just control whole double-clutch speed changer to complete gear shifting action by a cam, and then enormously simplify double-clutch speed changer Structure, reduce the manufacturing cost and assembly difficulty of transmission assembly, improve double-clutch speed changer assembly gearshift it is reliable Property.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation of the cylinder end face grooved cam of the present invention;
Fig. 3 is the molded line expanded schematic diagram of the cylinder end face groove profile of the present invention.
Embodiment
Fig. 1 is structural representation of the invention, as illustrated, the cam shift type double-clutch speed changer of the present embodiment, bag Include double clutch and transmission assembly, including double clutch, transmission assembly and shifting cam;The shifting cam is used to distinguish Driving transmission assembly and double clutch are accordingly shifted gears and replaced engagement;The double clutch speed-changings of cam shift type of the present embodiment Device, shifting cam drives double clutch and speed changer in double-clutch speed changer accordingly to carry out alternately engagement and gearshift simultaneously;Cause This, this double-clutch speed changer assembly only can just control whole double-clutch speed changer to complete gear shifting action by a cam, and then Enormously simplify the structure of double-clutch speed changer, reduce the manufacturing cost and assembly difficulty of transmission assembly, improve it is double from Close the reliability of transmission assembly gearshift.
In the present embodiment, the shifting cam is cylinder end face grooved cam;As shown in Fig. 2 cylinder end face grooved cam At least one end face 17 be cam type surface, its is cylindrical provided with curve chute 18, and therefore, cylinder end face grooved cam is made simultaneously It is that cylindrical end face cam and cylinder grooved cam are used, at least two gearshifts can be driven to be acted simultaneously.This knot The cylindrical cam of structure can reduce the quantity of the cylindrical upper hopper chute 18 of cam, so as to reduce the manufacturing cost of cylindrical cam;Due to double Clutch is generally possible to self-return, and the gearshift fastener of speed changer is general without self-return function, therefore, cylinder end face groove The end face 17 of type cam is used to drive double clutch alternately engagement, and the chute 18 of cylinder end face grooved cam is used to drive speed change Device assembly is shifted gears, as shown in figure 3, molded line expanded view of the curve 19 for the end face of cylinder end face grooved cam, curve 20 is cylinder The chute molded line expanded view of end face groove profile.
In the present embodiment, the transmission assembly is provided with multiple gearshift fasteners (synchronizer or clutch collar) and by described Gearshift fastener is moved back and forth vertically is shifted gears;The chute 18 of the cylinder end face grooved cam drives multiple described simultaneously Gearshift is shifted gears to be moved back and forth described in fastener progress, and transmission assembly also includes corresponding the multiple of cooperation with gearshift fastener Shift fork;A cylindrical molded line chute 18 of the cylinder end face grooved cam drives multiple shift forks back and forth to move vertically simultaneously It is dynamic to be shifted gears;Therefore, it can reduce cylinder end face grooved cam it is cylindrical on molded line chute 18 quantity, simplify cam knot Structure, what is enabled be arranged in the speed changer of small volume, finally improves the compactedness and speed changer of transmission assembly Manufacturing cost.
In the present embodiment, the double clutch include power intake and respectively correspond to by alternately engagement first from Clutch and second clutch receive the first clutch end 5 and the second clutch end 7 of the power of the power intake;Institute State the first clutch end 5 for contain the cover body of first clutch and second clutch and be connected with the cover body first from The first clutch end 5 that the external diameter of clutch is more than double clutch in the external diameter of second clutch, the present embodiment is cover body, first Clutch and second clutch are coaxially included in the cover body, and whole double clutch is used as by the use of the first clutch end 5 Housing is used;First clutch of the present invention is close to cover body oral area, and second clutch is close to cover body bottom, the external diameter of second clutch Less than the external diameter of first clutch, therefore, the first clutch end 5 can use the columnar structured or mouth diameters of standard More than the horn-like structure of base diameter, and then enable the disposable casting of whole cover body, it is to avoid when double clutch works, Second clutch is interfered with the cover body inner circle as the first clutch end 5, because cover body need not use existing split Formula structure, therefore and then reduce double clutch assembly number of parts, simplify double clutch production process simultaneously save its production Cost.
In the present embodiment, the transmission assembly includes the first power being connected with first clutch end 5 Input shaft 10, the second power input shaft 13 and power output shaft being connected with second clutch end 7;Described first Gear shift biography is respectively formed between power input shaft 10 and power output shaft, between the second power input shaft 13 and power output shaft Dynamic structure, i.e., the power shift gear pair differed by multigroup gearratio is between the first power input shaft 10 and power output shaft And second transmit between power input shaft 13 and power output shaft between power, adjacent power shift gear pair provided with synchronizer or connect The gearshift fastener such as trap.
In the present embodiment, the cover body is integral type structure, and its diameter is gradually reduced from oral area to bottom, due to this implementation Second clutch diameter in example is less than the diameter of first clutch, and mouth can be used as the cover body of the first clutch end 5 Portion's diameter is more than the horn-like structure of base diameter, and on the one hand this structure make it that the structure of whole double clutch is compacter, On the other hand make cover body that there is certain pattern draft, it is easy to casting.
In the present embodiment, first power input shaft 10 is coaxially rotatably to be coated at second power input shaft 13 Hollow shaft;Therefore the first clutch end 5 and the second clutch end 7 due to double clutches, first is moved to be coaxially disposed Power input shaft 10, which is set to rotate coaxially the hollow shaft for being coated at the second power input shaft 13, ensure that the first power input shaft 10 and second power input shaft 13 be connected with two output end coaxial transmissions of double clutch.It is of course also possible to by the second power Input shaft 13 is set to coaxially rotatably be coated at the hollow shaft of the first power input shaft 10, the arrangement and the present embodiment Arrangement is similar, repeats no more.
In the present embodiment, the double clutch also includes the clutch heart set 2 being connected with the power intake, institute State first clutch includes being fixed on the first movable friction plate 18 of clutch heart set 2 and with the first movable friction plate 18 coordinating first Static friction piece 19, second clutch includes being fixed on the second movable friction plate 3 of clutch heart set 2 and matched somebody with somebody with the second movable friction plate 3 The the second static friction piece 4 closed, the clutch heart set 2 includes co-axially fixed big footpath cylinder and path cylinder;Described first moves The overcoat of friction plate 18 is fixed on that the big footpath cylinder is cylindrical, and it is cylindrical that the overcoat of the second movable friction plate 3 is fixed on path cylinder;Big footpath cylinder Spacer ring is provided between body and path cylinder, the first platen 1 and the second platen 6 are respectively in spacer ring both sides, first clutch vertically Between spacer ring and the first platen 1, second clutch is located between spacer ring and the second platen 6, due to clutch heart set 2 and the One platen 1 and the second platen 6 are connected, therefore, and the first platen 1 and the second platen 6 will be rotated with clutch heart set 2, by the Two movable friction plates 3 have enough contacts loaded on the clutch heart set cylindrical friction plate for ensureing second clutch of 2 path cylinders Area.
In the present embodiment, the double clutch is also included with the side for being linked and being driven with the circumferencial direction that slides axially Formula covers 2 the first platens 1 and the second platen 6 being connected with the clutch heart, and second platen 6 is provided with guide pillar vertically, described to lead Post is fixedly connected through clutch heart set 2 with the first platen 1, and the second platen 6 is provided with the pretightning force for engaging second clutch, the One platen 1 can overcome the pretightning force to be linked with the formation of the second platen 6 and separate second clutch and engage first clutch; Can be using being fixedly connected or elastic connection is linked so as to being formed, and then when first between first platen 1 and the second platen 6 While platen 1 is compressed, the second platen 6 is separated;Likewise, when the second platen 6 is compressed, the first platen 1 is separated, so as to realize First clutch is alternately engaged or separated with second clutch.
In the present embodiment, the power intake is the splined hub 8 for being coaxially integrally formed in the clutch heart set 2, institute Splined hub 8 is stated positioned at the axial direction middle part of clutch heart set 2;This structure causes power intake (being splined hub 8 in the present embodiment) It can be axially located between first clutch and second clutch, double clutch overall stress during transmission is more put down Weighing apparatus.
In the present embodiment, the power shift gear pair is respectively the first gear pair being axially sequentially distributed along power output shaft 14th, the gear of second gear pair 9, three gear pair 12 and four gear gear pair 11;First power input shaft 10 and power output shaft it Between pass through the second gear pair 9 and four gear gear pair 11 transmit power, second power input shaft 13 and power output shaft Between by first gear pair 14 and three gear gear pair 12 transmit power, second gear pair 9 and four gear gear pair 11 between be provided with First clutch collar, the gear gear pair 12 of first gear pair 14 and three is provided with the second clutch collar, and the first clutch collar and the second clutch collar are equal Moved back and forth and shifted gears by the chute driving of cylinder end face grooved cam.
The cam shift type double-clutch speed changer of the present invention also includes being driven on differential mechanism 16, the power output shaft coordinating Dynamic output gear 17 simultaneously outputs power to the differential mechanism 16 by the power output gear 17, the differential mechanism 16 Including the housing of differential mechanism 16 and the component of 16 gear of differential mechanism 15 and the housing of differential mechanism 16 transmission be equipped with for power it is defeated Go out the gear 15 of differential mechanism 16 of the engagement of gear 17, export power distribution to semiaxis eventually through the component of 16 gear of differential mechanism 15.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this Among the right of invention.

Claims (10)

1. a kind of cam shift type double-clutch speed changer, it is characterised in that:It is convex including double clutch, transmission assembly and gearshift Wheel;The shifting cam is used for driving transmission assembly and double clutch respectively and accordingly shifted gears and replaced engagement.
2. cam shift type double-clutch speed changer according to claim 1, it is characterised in that:The shifting cam is cylinder End face grooved cam;The end face of the cylinder end face grooved cam is used to drive double clutch alternately engagement;Cylinder end face groove profile The chute of cam is used to drive transmission assembly to shift gears.
3. cam shift type double-clutch speed changer according to claim 1, it is characterised in that:The transmission assembly is provided with Multiple gearshift fasteners are simultaneously moved back and forth shifted gears vertically by the gearshift fastener;The cylinder end face grooved cam Chute simultaneously drive it is multiple it is described gearshift gearshift fasteners carry out described in move back and forth.
4. cam shift type double-clutch speed changer according to claim 1, it is characterised in that:The double clutch includes dynamic Power input and respectively corresponding first clutch and second clutch by alternately engagement receive the power intake The first clutch end and the second clutch end of power;First clutch end is containing first clutch and second The external diameter of the cover body of clutch and the first clutch being connected with the cover body is more than the external diameter of second clutch.
5. cam shift type double-clutch speed changer according to claim 1, it is characterised in that:The transmission assembly includes The first power input shaft for being connected with first clutch end, the be connected with second clutch end Two power input shafts and power output shaft;Between first power input shaft and power output shaft, the second power input shaft Gear shift drive mechanism is respectively formed between power output shaft.
6. cam shift type double-clutch speed changer according to claim 4, it is characterised in that:The cover body is integral type knot Structure, its diameter is gradually reduced from oral area to bottom.
7. cam shift type double-clutch speed changer according to claim 5, it is characterised in that:First power input shaft To be coaxially rotatably coated at the hollow shaft of second power input shaft.
8. cam shift type double-clutch speed changer according to claim 4, it is characterised in that:The double clutch also includes The clutch heart set being connected with the power intake, the first clutch includes being fixed on the first of clutch heart set Movable friction plate and the first static friction piece coordinated with the first movable friction plate, second clutch include being fixed on the of clutch heart set Two movable friction plates and the second static friction piece coordinated with the second movable friction plate, the clutch heart set include co-axially fixed big footpath Cylinder and path cylinder;It is cylindrical that the first movable friction plate overcoat is fixed on the big footpath cylinder, and the second movable friction plate overcoat is consolidated It is cylindrical due to path cylinder.
9. cam shift type double-clutch speed changer according to claim 8, it is characterised in that:The double clutch also includes Pressed with being linked and covering the first platen being connected and second with the clutch heart in the way of the circumferencial direction transmission that slides axially Disk, second platen is provided with guide pillar vertically, and the guide pillar is fixedly connected through clutch heart set with the first platen, the second pressure Disk is provided with the pretightning force for engaging second clutch, and the first platen can overcome the formation of the pretightning force and the second platen to link and make the Two clutch separations simultaneously engage first clutch.
10. cam shift type double-clutch speed changer according to claim 5, it is characterised in that:It is described to be passed into gear shift Dynamic structure includes second gear pair, four gear gear pairs, three gear gear pairs and the gear tooth being axially sequentially distributed along power output shaft Wheel set;It is dynamic by second gear pair and four gear gear pairs transmission between first power input shaft and power output shaft Power, power are transmitted between second power input shaft and power output shaft by first gear pair and three gear gear pairs.
CN201710489887.9A 2017-06-24 2017-06-24 Cam shift type double-clutch speed changer Pending CN107202141A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710489887.9A CN107202141A (en) 2017-06-24 2017-06-24 Cam shift type double-clutch speed changer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710489887.9A CN107202141A (en) 2017-06-24 2017-06-24 Cam shift type double-clutch speed changer

Publications (1)

Publication Number Publication Date
CN107202141A true CN107202141A (en) 2017-09-26

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CN201710489887.9A Pending CN107202141A (en) 2017-06-24 2017-06-24 Cam shift type double-clutch speed changer

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CN (1) CN107202141A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101398078A (en) * 2007-09-28 2009-04-01 本田技研工业株式会社 Twin clutch type speed-change apparatus
US20100101366A1 (en) * 2007-04-06 2010-04-29 Braford Thomas E Four wheel drive powertrain
EP2469130A1 (en) * 2010-12-21 2012-06-27 Saab Automobile AB Transmission control arrangement, transmission, vehicle and method for transmission control
CN205101493U (en) * 2015-09-07 2016-03-23 重庆隆旺机电有限责任公司 Two separation and reunion derailleurs of cam formula of shifting
CN205244269U (en) * 2015-12-24 2016-05-18 重庆隆旺机电有限责任公司 Compact is indulged and is put formula derailleur assembly
CN106090143A (en) * 2016-08-18 2016-11-09 重庆隆旺机电有限责任公司 The double clutch transmission system of many gears
CN206175575U (en) * 2016-08-18 2017-05-17 重庆隆旺机电有限责任公司 Two separation and reunion derailleur assemblies
CN207316059U (en) * 2017-06-24 2018-05-04 重庆隆旺机电有限责任公司 The double-clutch speed changer shifted gears using cam

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100101366A1 (en) * 2007-04-06 2010-04-29 Braford Thomas E Four wheel drive powertrain
CN101398078A (en) * 2007-09-28 2009-04-01 本田技研工业株式会社 Twin clutch type speed-change apparatus
EP2469130A1 (en) * 2010-12-21 2012-06-27 Saab Automobile AB Transmission control arrangement, transmission, vehicle and method for transmission control
CN205101493U (en) * 2015-09-07 2016-03-23 重庆隆旺机电有限责任公司 Two separation and reunion derailleurs of cam formula of shifting
CN205244269U (en) * 2015-12-24 2016-05-18 重庆隆旺机电有限责任公司 Compact is indulged and is put formula derailleur assembly
CN106090143A (en) * 2016-08-18 2016-11-09 重庆隆旺机电有限责任公司 The double clutch transmission system of many gears
CN206175575U (en) * 2016-08-18 2017-05-17 重庆隆旺机电有限责任公司 Two separation and reunion derailleur assemblies
CN207316059U (en) * 2017-06-24 2018-05-04 重庆隆旺机电有限责任公司 The double-clutch speed changer shifted gears using cam

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Application publication date: 20170926