CN104373522A - Speed change assembly integrating reverse gear - Google Patents

Speed change assembly integrating reverse gear Download PDF

Info

Publication number
CN104373522A
CN104373522A CN201410633203.4A CN201410633203A CN104373522A CN 104373522 A CN104373522 A CN 104373522A CN 201410633203 A CN201410633203 A CN 201410633203A CN 104373522 A CN104373522 A CN 104373522A
Authority
CN
China
Prior art keywords
gear
reverse
driving
transmission
speed
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.)
Granted
Application number
CN201410633203.4A
Other languages
Chinese (zh)
Other versions
CN104373522B (en
Inventor
龚涛
崔兴健
程仕杰
祝婧娟
刁来春
杨武明
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 Longxin Engine Co Ltd
Original Assignee
Chongqing Longxin Engine 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 Longxin Engine Co Ltd filed Critical Chongqing Longxin Engine Co Ltd
Priority to CN201410633203.4A priority Critical patent/CN104373522B/en
Publication of CN104373522A publication Critical patent/CN104373522A/en
Application granted granted Critical
Publication of CN104373522B publication Critical patent/CN104373522B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • 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
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears

Landscapes

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

Abstract

The invention discloses a speed change assembly integrating a reverse gear. The speed change assembly comprises a power input shaft, a power output shaft, a reverse gear transmission chain and a shared driven gear, wherein the power output shaft is in gear transmission fit with the power input shaft. The reverse gear transmission chain can be matched with the shared driven gear in a joint transmission or separation mode; the shared driven gear is arranged on the power output shaft in the manner of being in a joint transmission mode with the power output shaft; the shared driven gear is matched with one forwarding gear driving gear in a transmission or transmission stop mode. According to the speed change assembly, the structure that the reverse gear and one forwarding gear share the same driven gear is adopted, through reasonable optimization of meshing and arrangement of the gears, the arrangement relationship between components is fully utilized, the reverse gear structure is arranged inside a speed changer, and therefore the speed change structure with the internally arranged reverse gear is achieved through the components in limited number, and the original forwarding gear is not omitted. Thus, compared with an existing independent reverse gear structure, the speed change assembly has the advantages that the speed changer is compact in structure, high in integrity, good in operation stability, attractive in appearance and suitable for mini-sized motor vehicles.

Description

The speed changing assembly of integrated reverse gear
Technical field
The present invention relates to a kind of automotive component, particularly a kind of speed changing assembly of integrated reverse gear.
Background technique
Motor Vehicle is the vehicle being driven by power plant (comprising electronic and fuel-firing gas-firing vehicle) or drawn, travel on road, generally comprises power plant, speed changer and wheel frame assembly; The outputting power of power plant is delivered to wheel and is used for driving vehicle to travel by speed changer after slowing down.In prior art, the major function for a change velocity ratio of speed changer, and for Motor Vehicle more than two-wheeled, generally also need to arrange reverse gear.
In prior art, multi-speed transmission, owing to having good adaptability to traveling road conditions, can travel for the gearshift of different resistances, the Power output of power plant can be mated to a certain extent with traveling road conditions, thus apply comparatively extensive.But, multi-speed transmission complex structure, and installation and the design of speed transmission drum will be adapted to, therefore, the general independent external setting of reverse gear structure, be not arranged on speed changer inner with simplified structure and the installation (such as starting axle) adapting to other appurtenances, thus enable speed changer adapt to the use of dilly.Due to the setting of above-mentioned reverse gear structure, make the installation of speed changer entirety, manufacture and use not compact, affect the installation of car load, and less stable.
Therefore, need to improve existing speed changer, reverse gear structure is arranged in speed changer inside, make speed changer compacter than existing independent reverse gear structure and integrity is strong, good operation stability, and make speed changer have good appearance, be applicable to mini motor vehicle.
Summary of the invention
In view of this, the invention provides a kind of speed changing assembly of integrated reverse gear, reverse gear structure is arranged in speed changer inside, make speed changer compacter than existing independent reverse gear structure and integrity is strong, good operation stability, and make speed changer have good appearance, be applicable to mini motor vehicle.
The speed changing assembly of integrated reverse gear of the present invention, the pto=power take-off, reverse gear chain and the shared driven gear that comprise power input shaft, coordinate with the transmission of power input shaft gear; Described reverse gear chain can the mode of couple drive or separation coordinate with shared driven gear;
Described shared driven gear is can be arranged at pto=power take-off with the mode of pto=power take-off couple drive; Share driven gear to engage with a wherein advance gear driving gear, this advance gear driving gear can slide axially with power input shaft couple drive or be disengaged; Namely this advance gear driving gear engages with shared driven gear is long, by advance gear driving gear slide axially with formed between power input shaft engage or empty set to adapt to the switching between the advance of shared driven gear and reverse gear;
Or share driven gear and a wherein engageable transmission of advance gear driving gear or to be departed to sliding by this advance gear driving gear shaft and engage, this advance gear driving gear and power input shaft coordinating in mode transmission in axial sliding; Namely this advance gear driving gear and shared driven gear do not belong to long and engage, sliding axially to be formed with shared driven gear and engage or depart from the switching of engaging with between the advance adapting to shared driven gear and reverse gear by advance gear driving gear;
Advance gear driving gear can be arbitrary advance gear, conveniently arranges and meet reverse gear needs to be as the criterion.
Further, described shared driven gear is set in rotation with pto=power take-off, and sharing driven gear sliding axially and pto=power take-off couple drive by a wherein advance gear driven gear, this advance gear driven gear and pto=power take-off coordinating in mode transmission in axial sliding; During reverse gear, adopt advance gear driven gear will share driven gear and pto=power take-off couple drive, do not need independent coupling, compact structure and simply, saving component costs.
Further, described reverse gear chain comprises duplex reverse driving gear and shared driven gear; Duplex reverse driving gear comprise input reverse driving gear and can with the output reverse driving gear of input reverse driving gear couple drive, the mode of joint can adopt coupling or the two one of the realization that slides axially; Described output reverse driving gear directly or indirectly engages (passing through intermediate gear) transmission with shared driven gear; This structure makes the layout of gear have good flexibility, avoids interference.
Further, also comprise start assembly, this start assembly comprises the startup axle be rotatably assorted with case of transmission, extends and with input reverse driving gear with export reverse driving gear and be rotatably assorted in the axial case of transmission of described startup; Utilize and start the operative gear that axle installs reverse gear chain, not only ensure that built-in reverse gear structure is not interferenceed with the layout of miscellaneous part, also assures that the overall compactness of structure, compared with the existing speed changer with reverse gear structure, decrease external reverse gear structure; In described startup axially, extended end portion is rotatably assorted and is supported in case of transmission; This structure ensure that starting axle has 2 supports, and structure driven is stablized, and is beneficial to the smooth rotation starting axle.
Further, also comprise reverse gear position-limit mechanism, this reverse gear position-limit mechanism comprises reverse gear position limited gear and the bounding means with reverse gear position limited gear friction driving, the speed transmission drum of speed changer is provided with the restraining groove that can be used for embedding bounding means, when speed changer is with forward-speed drive transmission adjacent to reverse gear, bounding means embeds restraining groove and limits speed transmission drum and rotates to reverse gear under the friction driving of reverse gear position limited gear, and described reverse gear position limited gear is by speed changer drive force; Because reverse gear is embedding structure, what this reverse gear position-limit mechanism was limited in reverse gear closes on gear, and restriction speed transmission drum, to reverse rotation, avoids the security incident that speed transmission drum misoperation causes; During normal gear change, bounding means is along the circumferential direction against speed transmission drum under reverse gear position limited gear drives, and overcome friction keeps motionless, and when the forward gears gear adjacent with reverse range, bounding means embeds restraining groove, avoids entering reverse gear, ensures safety traffic.
Further, described input reverse driving gear turns to contrary with pto=power take-off, and described output reverse driving gear is engaged with shared driven gear by intermediate gear; Convenient layout, simple and compact for structure, make speed changer be more suitable for compact car and use; Described intermediate gear is set in rotation with a jack shaft, and described reverse gear position limited gear is set in rotation with jack shaft; Intermediate gear and reverse gear position limited gear are arranged at same jack shaft, make speed changer internal placement rationally compact.
Further, described bounding means is a position-arresting disk, is provided with position-limited claw, when speed changer is in forward gears gear with one-body molded to extend radially out along outer rim of position-arresting disk, this position-limited claw is against speed transmission drum at circumferencial direction, and described speed transmission drum is by forming click structure between restraining groove and position-limited claw; Adopt position-arresting disk to accept the structure of friction driving, be beneficial to and form friction driving and frictional force is easy to control, meanwhile, conveniently install and arrange.
Further, be provided with the elasticity ring plate with axial pre tightening force between described position-arresting disk and reverse gear position limited gear and form friction driving; Certainly, need axially arranging bounding means to reach the object of position-arresting disk axial limiting, and elasticity ring plate is pressed on the axial end of reverse gear position limited gear, realize the object that frictional force is adjustable.
Further, the one-body molded formation of described input reverse driving gear is rotatably assorted and is coated at the axle sleeve of startup axle, and described output reverse driving gear is rotatably assorted and is coated at this axle sleeve and can slides axially and input reverse driving gear couple drive; Employing can the structure of couple drive or separation, has stronger adaptability, facilitates the layout of other gears, simple and compact for structure, does not need other coupling to carry out transmission joint.
Further, described speed changer is multi-speed transmission, wherein four advance gear driving gears and power input shaft coordinating in mode transmission in axial sliding, shares driven gear and the four engageable transmissions of advance gear driving gear or to be departed to sliding by four advance gear driving gear shafts to engage; Reverse gear and fourth gear share same driven gear, facilitate the layout of speed changer internal gear, meanwhile, ensure reverse gear power.
Further, wherein third gear driven gear and pto=power take-off coordinating in mode transmission in axial sliding, shares driven gear sliding axially and pto=power take-off couple drive by third gear driven gear; Third speed drive gear is set in rotation with power input shaft and sliding axially and power input shaft couple drive by fourth gear driving gear, with shared driven gear engagement driving while described fourth gear driving gear engages with third speed drive gear, depart from shared driven gear while described fourth gear driving gear is disengaged with third speed drive gear and engage; Five grades of driving gears and power input shaft are rotatably assorted and sliding axially and power input shaft couple drive by fourth gear driving gear; Described input reverse driving gear engages with second gear driven gear, and described second gear driven gear engagement is rotatably assorted with pto=power take-off, and sliding axially and pto=power take-off couple drive by five grades of driven gears; Certainly, third gear driven gear, fourth gear driving gear, five grades of driven gears need be provided with fork slot, are equivalent to the effect playing gear and coupling, do not repeat them here; On power input shaft, also transmission cooperation is provided with second gear driving gear, and pto=power take-off is rotatably assorted and is provided with second gear driven gear, wherein second gear driven gear is placed in pto=power take-off, does not repeat them here.
Beneficial effect of the present invention: the speed changing assembly of integrated reverse gear of the present invention, employing reverse gear and wherein a forward gears share the structure of same driven gear, by each gears meshing, the reasonably optimizing of arrangement, make full use of the arrangement relation between all parts, reverse gear structure is arranged in speed changer inside, adopt limited number of components, realize the speed changing structure that reverse gear is built-in, do not reduce original advance gear, make speed changer compacter than existing independent reverse gear structure and integrity is strong, good operation stability, and make speed changer have good appearance, be applicable to mini motor vehicle.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is deployed configuration schematic diagram of the present invention;
Fig. 2 is reverse gear position-limit mechanism schematic diagram.
Embodiment
Fig. 1 is deployed configuration schematic diagram of the present invention, Fig. 2 is reverse gear position-limit mechanism schematic diagram, as shown in the figure: the speed changing assembly of the integrated reverse gear of the present embodiment, the pto=power take-off, reverse gear chain and the shared driven gear that comprise power input shaft, coordinate with the transmission of power input shaft gear; Described reverse gear chain can the mode of couple drive or separation coordinate with shared driven gear;
As shown in the figure, in the present embodiment, described reverse gear chain comprises duplex reverse driving gear and shared driven gear 4;
Duplex reverse driving gear comprise input reverse driving gear 9 and can with the output reverse driving gear 17 of input reverse driving gear 9 couple drive, the mode of joint can adopt coupling or the two one of the realization that slides axially; Described output reverse driving gear and the direct or indirect engagement driving of shared driven gear;
Described shared driven gear 4 is can be arranged at pto=power take-off 8 with the mode of pto=power take-off 8 couple drive; Share driven gear 4 to engage with a wherein advance gear driving gear, this advance gear driving gear can slide axially with power input shaft 1 couple drive or be disengaged; Namely this advance gear driving gear engages with shared driven gear is long, by advance gear driving gear slide axially with formed between power input shaft engage or empty set to adapt to the switching between the advance of shared driven gear and reverse gear;
Or share driven gear 4 and a wherein engageable transmission of advance gear driving gear or to be departed to sliding by this advance gear driving gear shaft and engage, this advance gear driving gear and power input shaft 1 coordinating in mode transmission in axial sliding; Namely this advance gear driving gear and shared driven gear do not belong to long and engage, sliding axially to be formed with shared driven gear and engage or depart from the switching of engaging with between the advance adapting to shared driven gear and reverse gear by advance gear driving gear;
In the present embodiment, described shared driven gear 4 is set in rotation with pto=power take-off 8, and sharing driven gear 4 sliding axially and pto=power take-off 8 couple drive by a wherein advance gear driven gear, this advance gear driven gear and pto=power take-off 8 coordinating in mode transmission in axial sliding; Now, between described input reverse driving gear 9 and output reverse driving gear 17, transmission coordinates, as shown in the figure, input reverse driving gear 9 is one-body molded with output reverse driving gear 17, during reverse gear, adopt advance gear driven gear will share driven gear and pto=power take-off couple drive, do not need independent coupling, compact structure and simple, saves component costs.
In the present embodiment, also comprise start assembly, this start assembly comprises the startup axle 18 be rotatably assorted with case of transmission, certainly, also comprises the existing activation member coordinated with startup axle, does not repeat them here; Described startup axle 18 extends and with input reverse driving gear 9 with export reverse driving gear 17 and be rotatably assorted in case of transmission, as shown in the figure, input reverse driving gear 9 and output reverse driving gear 17 are arranged at startup axle 18 by needle bearing and ensure transmission and startup mutual noninterference; Utilize and start the operative gear that axle 18 installs reverse gear chain, not only ensure that built-in reverse gear structure is not interferenceed with the layout of miscellaneous part, also assures that the overall compactness of structure, compared with the existing speed changer with reverse gear structure, decrease external reverse gear structure.
In the present embodiment, described startup axle 18 end that extends internally is rotatably assorted and is supported in case of transmission; As shown in the figure, start axle 18 end that extends internally and be provided with the axle journal be rotatably assorted with case of transmission; This structure ensure that starting axle 18 has 2 supports, and structure driven is stablized, and is beneficial to the smooth rotation starting axle.
In the present embodiment, also comprise reverse gear position-limit mechanism, this reverse gear position-limit mechanism comprises reverse gear position limited gear 11 and the bounding means with reverse gear position limited gear 9 friction driving, friction driving refers to and utilizes frictional force to carry out transmission, when resistance arrives setting value, then produce slip, can be axial end laminating friction driving, also can be along the circumferential direction fit; The speed transmission drum 14 of speed changer is provided with the restraining groove that can be used for embedding bounding means, when speed changer is with forward-speed drive transmission adjacent to reverse gear, bounding means embeds restraining groove and limits speed transmission drum and rotates to reverse gear under the friction driving of reverse gear position limited gear 11, and described reverse gear position limited gear is by speed changer drive force; Because reverse gear is embedding structure, what this reverse gear position-limit mechanism was limited in reverse gear closes on gear, and restriction speed transmission drum, to reverse rotation, avoids the security incident that speed transmission drum misoperation causes; During normal gear change, bounding means is along the circumferential direction against speed transmission drum under reverse gear position limited gear drives, and overcome friction keeps motionless, and when the forward gears gear adjacent with reverse range, bounding means embeds restraining groove, avoids entering reverse gear, ensures safety traffic.
In the present embodiment, described input reverse driving gear 9 turns to contrary with pto=power take-off 8, and described output reverse driving gear 17 is engaged with shared driven gear 4 by intermediate gear 15; Convenient layout, simple and compact for structure, make speed changer be more suitable for compact car and use.
In the present embodiment, described bounding means is a position-arresting disk 10, position-limited claw 13 is provided with one-body molded to extend radially out along outer rim of position-arresting disk 10, when speed changer is in forward gears gear, this position-limited claw 13 is against speed transmission drum 14 at circumferencial direction, and described speed transmission drum 14 is by forming click structure between restraining groove and position-limited claw 13; After embedding restraining groove, can only rotate to a direction during action; Adopt position-arresting disk to accept the structure of friction driving, be beneficial to and form friction driving and frictional force is easy to control, meanwhile, conveniently install and arrange; Certainly, during reverse gear, friction driving position-arresting disk 10 counterrotating of reverse gear position limited gear 11, position-limited claw 13 is against other parts (other non-rotatable members etc. in such as shift shaft or case of transmission, the present embodiment adopts shift shaft to limit the opposite spin of position-limited claw 13), do not repeat them here.
In the present embodiment, be provided with the elasticity ring plate 12 with axial pre tightening force between described position-arresting disk 10 and reverse gear position limited gear 11 and form friction driving; Certainly, need axially arranging bounding means to reach the object of position-arresting disk 10 axial limiting, and elasticity ring plate 12 is pressed on the axial end of reverse gear position limited gear, realize the object that frictional force is adjustable; As shown in the figure, described reverse gear position limited gear 11 axial end is provided with the groove for holding elasticity ring plate, described position-arresting disk 10 is axially pressed on elasticity ring plate 12 and makes position-arresting disk 10 and reverse gear position limited gear 11 axial end this axial end of fitting remove the area of groove, can reduce friction, and this friction is mainly positioned at outer rim, be easy to drive; The axial dimension of mechanism can be made to reduce, conserve space, meanwhile, the mutual interference of elasticity ring plate and friction driving can be avoided, convenient installation and adjustment; The end that described position-limited claw 13 contacts with restraining groove 141 is smooth excessiveness, general employing ball head structure, embed and deviate from smooth and easy, the end of position-limited claw is avoided to cause damage to speed transmission drum, and reverse gear position limited gear 11 and position-arresting disk 10 frictional force larger in can reverse deviate from restraining groove 141, try to avert accidents.
In the present embodiment, described intermediate gear 15 is set in rotation with a jack shaft 16, and described reverse gear position limited gear 11 is set in rotation with jack shaft 16; Intermediate gear 15 and reverse gear position limited gear 11 are arranged at same jack shaft 16, make speed changer internal placement rationally compact.
In the present embodiment, the one-body molded formation of described input reverse driving gear 9 is rotatably assorted and is coated at the axle sleeve of startup axle, and described output reverse driving gear 17 is rotatably assorted and is coated at this axle sleeve and can slides axially and input reverse driving gear 9 couple drive; Employing can the structure of couple drive or separation, has stronger adaptability, facilitates the layout of other gears, simple and compact for structure, does not need other coupling to carry out transmission joint.
In the present embodiment, described speed changer is multi-speed transmission, share driven gear 4 and the four engageable transmissions of advance gear driving gear 19 or slid axially to depart from by four advance gear driving gears 19 and engage, four advance gear driving gears 19 and power input shaft 1 coordinating in mode transmission in axial sliding; Reverse gear and fourth gear share same driven gear, facilitate the layout of speed changer internal gear, meanwhile, ensure reverse gear power.
In the present embodiment, wherein third gear driven gear 2 and pto=power take-off 8 coordinating in mode transmission in axial sliding, shares driven gear sliding axially and pto=power take-off 8 couple drive by third gear driven gear 2; Third speed drive gear 3 is set in rotation with power input shaft 1 and sliding axially and power input shaft 1 couple drive by fourth gear driving gear 19, with shared driven gear 4 engagement driving while described fourth gear driving gear 19 engages with third speed drive gear 3, depart from shared driven gear 4 while described fourth gear driving gear 19 is disengaged with third speed drive gear 3 and engage; Five grades of driving gears 5 are rotatably assorted and sliding axially and power input shaft 1 couple drive by fourth gear driving gear 19 with power input shaft 1; Described input reverse driving gear 9 engages with second gear driven gear 20, and described second gear driven gear 20 engages and is rotatably assorted with pto=power take-off 8, and sliding axially and pto=power take-off 8 couple drive by five grades of driven gears 7; Certainly, third gear driven gear 2, fourth gear driving gear 19, five grades of driven gears 7 need be provided with fork slot, are equivalent to the effect playing gear and coupling, do not repeat them here; On power input shaft, also transmission cooperation is provided with second gear driving gear, and pto=power take-off is rotatably assorted and is provided with second gear driven gear 20, wherein second gear driven gear 20 is placed in pto=power take-off; Also there is one grade of driving gear and driven gear, be associated with start assembly, belong to prior art, do not repeat them here.
The present invention is in use:
Forward gears, only illustrates the switching between the forward gears relevant with reverse gear and reverse gear:
Third gear: power input shaft → fourth gear driving gear (now engaging with shared driven gear) → third speed drive gear → third gear driven gear → pto=power take-off;
Fourth gear: power input shaft → fourth gear driving gear → share driven gear → third gear driven gear (now depart from third speed drive gear and engage) → pto=power take-off;
Five grades: power input shaft → fourth gear driving gear (now cross with shared driven gear engage and neutral) → five grades of driving gear → five grade driven gear → pto=power take-offs (simultaneously driving reverse gear position limited gear);
When all forward gearss run, be disengaged between reverse input gear and reverse output gear;
Reverse gear: power input shaft → second gear driving gear → second gear driven gear → reverse input gear → reverse output gear → intermediate gear → share driven gear → third gear driven gear (slip joint) → pto=power take-off, now fourth gear driving gear and third speed drive gear are disengaged and depart to engage with fourth gear driven gear and slide to neutral gear.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (10)

1. a speed changing assembly for integrated reverse gear, is characterized in that: the pto=power take-off, reverse gear chain and the shared driven gear that comprise power input shaft, coordinate with the transmission of power input shaft gear; Described reverse gear chain can the mode of couple drive or separation coordinate with shared driven gear;
Described shared driven gear is can be arranged at pto=power take-off with the mode of pto=power take-off couple drive; Share driven gear to engage with a wherein advance gear driving gear, this advance gear driving gear can slide axially with power input shaft couple drive or be disengaged; Or share driven gear and a wherein engageable transmission of advance gear driving gear or to be departed to sliding by this advance gear driving gear shaft and engage, this advance gear driving gear and power input shaft coordinating in mode transmission in axial sliding.
2. the speed changing assembly of integrated reverse gear according to claim 1, it is characterized in that: described shared driven gear is set in rotation with pto=power take-off, and sharing driven gear sliding axially and pto=power take-off couple drive by a wherein advance gear driven gear, this advance gear driven gear and pto=power take-off coordinating in mode transmission in axial sliding.
3. the speed changing assembly of integrated reverse gear according to claim 1, it is characterized in that: described reverse gear chain comprises duplex reverse driving gear, duplex reverse driving gear comprise input reverse driving gear and can with output reverse driving gear, described output reverse driving gear and the direct or indirect engagement driving of shared driven gear of input reverse driving gear couple drive.
4. the speed changing assembly of integrated reverse gear according to claim 3, it is characterized in that: also comprise start assembly, this start assembly comprises the startup axle be rotatably assorted with case of transmission, extends and with input reverse driving gear with export reverse driving gear and be rotatably assorted in the axial case of transmission of described startup; In described startup axially, extended end portion is rotatably assorted and is supported in case of transmission.
5. the speed changing assembly of integrated reverse gear according to claim 1, it is characterized in that: also comprise reverse gear position-limit mechanism, this reverse gear position-limit mechanism comprises reverse gear position limited gear and the bounding means with reverse gear position limited gear friction driving, the speed transmission drum of speed changer is provided with the restraining groove that can be used for embedding bounding means, when speed changer is with forward-speed drive transmission adjacent to reverse gear, bounding means embeds restraining groove and limits speed transmission drum and rotates to reverse gear under the friction driving of reverse gear position limited gear, and described reverse gear position limited gear is by speed changer drive force.
6. the speed changing assembly of integrated reverse gear according to claim 5, is characterized in that: described input reverse driving gear turns to contrary with pto=power take-off, and described output reverse driving gear is engaged with shared driven gear by intermediate gear; Described intermediate gear is set in rotation with a jack shaft, and described reverse gear position limited gear is set in rotation with jack shaft.
7. the speed changing assembly of integrated reverse gear according to claim 5, it is characterized in that: described bounding means is a position-arresting disk, position-limited claw is provided with one-body molded to extend radially out along outer rim of position-arresting disk, when speed changer is in forward gears gear, this position-limited claw is against speed transmission drum at circumferencial direction, and described speed transmission drum is by forming click structure between restraining groove and position-limited claw.
8. the speed changing assembly of integrated reverse gear according to claim 7, is characterized in that: be provided with the elasticity ring plate with axial pre tightening force between described position-arresting disk and reverse gear position limited gear and form friction driving.
9. the speed changing assembly of integrated reverse gear according to claim 1, it is characterized in that: the one-body molded formation of described input reverse driving gear is rotatably assorted and is coated at the axle sleeve of startup axle, described output reverse driving gear is rotatably assorted and is coated at this axle sleeve and can slides axially and input reverse driving gear couple drive.
10. the speed changing assembly of integrated reverse gear according to claim 1, it is characterized in that: described speed changer is multi-speed transmission, wherein four advance gear driving gears and power input shaft coordinating in mode transmission in axial sliding, shares driven gear and the four engageable transmissions of advance gear driving gear or to be departed to sliding by four advance gear driving gear shafts to engage;
Wherein third gear driven gear and pto=power take-off coordinating in mode transmission in axial sliding, shares driven gear sliding axially and pto=power take-off couple drive by third gear driven gear; Third speed drive gear is set in rotation with power input shaft and sliding axially and power input shaft couple drive by fourth gear driving gear, with shared driven gear engagement driving while described fourth gear driving gear engages with third speed drive gear, depart from shared driven gear while described fourth gear driving gear is disengaged with third speed drive gear and engage; Five grades of driving gears and power input shaft are rotatably assorted and sliding axially and power input shaft couple drive by fourth gear driving gear;
Described input reverse driving gear engages with second gear driven gear, and described second gear driven gear engagement is rotatably assorted with pto=power take-off, and sliding axially and pto=power take-off couple drive by five grades of driven gears.
CN201410633203.4A 2014-11-10 2014-11-10 The speed changing assembly of integrated reverse gear Active CN104373522B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410633203.4A CN104373522B (en) 2014-11-10 2014-11-10 The speed changing assembly of integrated reverse gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410633203.4A CN104373522B (en) 2014-11-10 2014-11-10 The speed changing assembly of integrated reverse gear

Publications (2)

Publication Number Publication Date
CN104373522A true CN104373522A (en) 2015-02-25
CN104373522B CN104373522B (en) 2017-05-31

Family

ID=52552616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410633203.4A Active CN104373522B (en) 2014-11-10 2014-11-10 The speed changing assembly of integrated reverse gear

Country Status (1)

Country Link
CN (1) CN104373522B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677874A (en) * 1985-03-28 1987-07-07 Steyr-Daimler-Puch Aktiengesellschaft Transmission, particularly for cross-country motor vehicles
FR2686384B1 (en) * 1992-01-16 1994-04-22 Peugeot Automobiles
CN1570362A (en) * 2004-05-08 2005-01-26 重庆力帆实业(集团)有限公司 Engine built-in reversing mechanism
CN201125989Y (en) * 2007-11-03 2008-10-01 隆鑫工业有限公司 Motorcycle engine built-in reverse gear mechanism
CN204253752U (en) * 2014-11-10 2015-04-08 重庆隆鑫发动机有限公司 Compact type reverse-gear speed transmission

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677874A (en) * 1985-03-28 1987-07-07 Steyr-Daimler-Puch Aktiengesellschaft Transmission, particularly for cross-country motor vehicles
FR2686384B1 (en) * 1992-01-16 1994-04-22 Peugeot Automobiles
CN1570362A (en) * 2004-05-08 2005-01-26 重庆力帆实业(集团)有限公司 Engine built-in reversing mechanism
CN201125989Y (en) * 2007-11-03 2008-10-01 隆鑫工业有限公司 Motorcycle engine built-in reverse gear mechanism
CN204253752U (en) * 2014-11-10 2015-04-08 重庆隆鑫发动机有限公司 Compact type reverse-gear speed transmission

Also Published As

Publication number Publication date
CN104373522B (en) 2017-05-31

Similar Documents

Publication Publication Date Title
CN103807413B (en) mechanical transmission
CN105276101B (en) Auto-manual speed changer
CN103821897B (en) Electric motor car two grades of automatic speed changer for machine of single planet circular system
US8925410B2 (en) Synchronizer for transmission
CN203035874U (en) Two-gear automatic transmission applied to pure electric vehicle
CN103939536B (en) Many gear tractors change speed gear box
CN102494086B (en) Automatic overdrive transmission
KR101181746B1 (en) Double Clutch Transmission
CN102720810B (en) Automatic transmission, the vehicle comprising this automatic transmission and process for gear thereof
CN107191552A (en) A kind of double-clutch automatic gearbox transmission device
KR20140005457A (en) Automated manual transmission for vehicle
US20170320386A1 (en) Planetary Multi-Stage Transmission
CN106641135B (en) A kind of 12 speed automatic transmissions
CN206439348U (en) A kind of automotive transmission
CN203162129U (en) Gear shifting mechanism of automotive transmission
CN104791428A (en) Automobile transmission light in gear shifting
CN204253752U (en) Compact type reverse-gear speed transmission
CN112145677B (en) Gear shifting drum, gearbox and vehicle gear self-locking control method
CN202833882U (en) Large tractor transfer case
CN204253753U (en) There is the speed changing assembly of reverse gear structure
CN104373522A (en) Speed change assembly integrating reverse gear
CN206361111U (en) A kind of coaxial-type bi-motor electric drive axle
CN105190097A (en) Transmission
CN107191592B (en) Gear shifting drum gear shifting type speed changer assembly
CN104455230A (en) Built-in reverse gear transmission

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant