CN203500431U - Power take-off type multi-gear speed changer - Google Patents
Power take-off type multi-gear speed changer Download PDFInfo
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- CN203500431U CN203500431U CN201320553935.3U CN201320553935U CN203500431U CN 203500431 U CN203500431 U CN 203500431U CN 201320553935 U CN201320553935 U CN 201320553935U CN 203500431 U CN203500431 U CN 203500431U
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Abstract
The utility model discloses a power take-off type multi-gear speed changer. The power take-off type multi-gear speed changer comprises a speed changer main body, wherein the speed changer main body is in transmission connection with a power take-off assembly, the speed changer main body is of a multi-gear speed change structure, one gear transmission chain can be formed between a power input shaft and a power output shaft by independently combining one-to-one transmission, and in addition, the gear transmission chain is of a gear speed change transmission structure. The power take-off type multi-gear speed changer disclosed by the utility model has a power take-off function, can be used for a driving end having a vehicle auxiliary function, is capable of expanding the function of the speed changer, is compact in structure, is suitable for being used by an existing compact vehicle and is more suitable for small-sized tricycles or quadricycles, and multiple functions can be realized through lower cost; a multi-gear transmission structure of one gear is formed between the power input shaft and the power output shaft by directly and independently combining transmission, thus the structure of the whole speed changer is compact, the size is small, a light weight characteristic is realized, not only is the smoothness of transmission increased, but also the driving energy source is saved while the transmission efficiency is increased, and the operating service life of a use device can be prolonged.
Description
Technical field
The utility model relates to a kind of Motor Vehicle main body part, particularly a kind of power taking type multi-speed transmission.
Background technique
Motor Vehicle is divided into the vehicle that electric motor car (two-wheeled, three-wheel and electric vehicle) and the motor of take are power, and speed changer is necessity equipment of system of vehicle transmission and stabilized walking; Along with general use of vehicle, also more and more to the requirement of its function; Such as, the miscellaneous functions such as hydraulic pressure tipping bucket unloading.In prior art, the general power of above-mentioned functions is from motor or motor, independent power takeoff is not set, provide miscellaneous function power also not there is controllable function, cause transmission efficiency lower, and to the power of miscellaneous function, provide equipment (such as oil hydraulic pump) cause long-term operation and damage, meanwhile, cause the waste of driving source.For addressing the above problem, there are a series of devices by driver for vehicle power taking, power taking kind of drive complexity and volume are larger, for compact sedan, do not have good adaptability and flexibility; And the existing speed changer with power takeoff generally adopts few mark structure, particularly for compact type vehicles such as tricycles, to guarantee lightweight and small volume.
Therefore, need a kind of speed changer, there is power taking function, the drive end that can be used for vehicle miscellaneous function, the function of expanding speed changer, needs compact structure, and integrity is strong, being applicable to existing compact sedan uses, and, there are many mark structures, guarantee the smoothness of transmission, when improving transmission efficiency, save driving source, and can extend the running life of use equipment.
Model utility content
In view of this, the utility model provides a kind of power taking type multi-speed transmission, has power taking function, the drive end that can be used for vehicle miscellaneous function, expand the function of speed changer, compact structure, integrity is strong, being applicable to existing compact sedan uses, and, there are many mark structures, guarantee the smoothness of transmission, when improving transmission efficiency, save driving source, and can extend the running life of use equipment.
The utility model discloses a kind of power taking type multi-speed transmission, comprise speed changer main body, described speed changer main body is in transmission connection and is provided with power taking assembly, described speed changer main body is many grades of speed changing structures, comprise power input shaft and pto＝power take-off, between described power input shaft and pto＝power take-off, can engage separately one to one transmission and form one of them gear Transmitted chains, gear Transmitted chains is gear graduation drive mechanism in addition.
Further, described speed changer main body is four-speed gear shift structure, also comprise speed change jack shaft, described power input shaft transmission cooperation is provided with power input driving gear, on described pto＝power take-off, be rotatably assorted and be provided with a gear driven gear, second gear driven gear and fourth gear driven gear, a gear driven gear, second gear driven gear, power input shaft and fourth gear driven gear all can engage with pto＝power take-off transmission separately; Described speed change jack shaft upper driving coordinate be provided with the power input driven gear of power input driving gear engagement, with one grade of driving gear of a gear driven gear engagement, with the second gear driving gear of second gear driven gear engagement and with the fourth gear driving gear of fourth gear driven gear engagement, between described power input shaft and pto＝power take-off, can engage separately one to one transmission formation third gear Transmitted chains;
Further, power input shaft and pto＝power take-off coaxially arrange, the cooperation of pto＝power take-off upper driving is provided with the first gearshift coupling and the second gearshift coupling, described the first gearshift coupling is between power input driving gear and fourth gear driven gear and can engage transmission with power input driving gear or fourth gear driven gear respectively, and described the second gearshift coupling is between second gear driven gear and first speed driven gear and can engage transmission with second gear driven gear or first speed driven gear respectively;
Further, described power taking assembly comprises power taking jack shaft for being in transmission connection with speed changer main body, being rotatably assorted is coated at power taking driving gear on power taking jack shaft and with the engagement of power taking driving gear and by the power taking driven gear of power taking power output; Described power taking jack shaft is provided with the power taking coupling that engages or disconnect between power taking driving gear and power taking jack shaft for making; Coordinate and be provided with power taking output shaft with the transmission of described power taking driven gear;
Further, described power taking assembly comprises that power taking jack shaft, power taking output shaft, transmission for being in transmission connection with speed changer coordinates the power taking driving gear being coated on power taking jack shaft and mesh with power taking driving gear and be rotatably assorted and is coated at the power taking driven gear of power taking output shaft; Described power taking pto＝power take-off is provided with the power taking coupling for making power taking driven gear engage or disconnect with power taking output shaft;
Further, power taking jack shaft upper driving coordinates the power taking input gear being provided with the engagement of power input driven gear;
Further, the end that described power input shaft is relative with pto＝power take-off forms axle bed hole, and described pto＝power take-off coaxially stretches into axle bed hole and is rotatably assorted with it; Described power input gear is one-body molded with power input shaft and relative with axle bed hole site;
Further, also comprise case of transmission, described power input shaft, pto＝power take-off, speed change jack shaft and power taking jack shaft are all set in rotation with case of transmission, described power taking driving gear and power taking driven gear are bevel gear, and power taking driven gear is set in rotation with a pinion stand, this pinion stand is fixedly connected on case of transmission;
Further, described power taking coupling drives by power taking pull-fork assembly, described power taking pull-fork assembly comprises by declutch shift shaft and is set in rotation with the shift fork of case of transmission and can longitudinally reciprocatingly sliding, is arranged at the shift fork locating stud of case of transmission, the rotation peripheral side of shift fork is provided with locating slot, and described shift fork locating stud is relative with locating slot and have a pretightening force that inserts it into locating slot;
Further, described locating slot is V-arrangement in sense of rotation, and the angle of this V-arrangement is greater than 30 °; Described shift fork locating stud front end is the V-arrangement adapting with locating slot.
The beneficial effects of the utility model: power taking type multi-speed transmission of the present utility model, adopt with speed changer main body switchable type and be in transmission connection the structure of power taking assembly is set, there is power taking function, the drive end that can be used for vehicle miscellaneous function, the function of expansion speed changer, compact structure, integrity is strong, be applicable to existing compact sedan and use, more can be applicable to small tricycle and four-wheel wagon, by lower cost, realize more function; And, power input shaft and pto＝power take-off directly engage separately the many grades of drive mechanisms that transmission forms one of them gear, make that whole speed changer structure is compact, volume is little, there is light-weighted feature, not only improve the smoothness of transmission, when improving transmission efficiency, save driving source, and can extend the running life of use equipment.
Accompanying drawing explanation
Engaging drawings and Examples is below further described the utility model.
Fig. 1 is the utility model structural representation;
Fig. 2 is that Fig. 1 is along A-A to sectional view.
Embodiment
Fig. 1 is the utility model structural representation, Fig. 2 is that Fig. 1 is along A-A to sectional view, as shown in the figure: the power taking type multi-speed transmission of the present embodiment, comprise speed changer main body, described speed changer main body is in transmission connection and is provided with power taking assembly, described speed changer main body is many grades of speed changing structures, comprise power input shaft 4 and pto＝power take-off 17, between described power input shaft 4 and pto＝power take-off 17, can engage separately one to one transmission and form one of them gear Transmitted chains, gear Transmitted chains is gear graduation drive mechanism in addition; Between power input shaft and pto＝power take-off, engage the Transmitted chains that forms to, can form any one gear in a grade to many grades, other gears adopt the kind of drive of gear engagement pair to form, certainly, adopt necessary gearshift mating part, such as synchronizer etc., do not repeat them here.
In the present embodiment, described speed changer main body is four-speed gear shift structure, also comprise speed change jack shaft 6,4 transmissions of described power input shaft coordinate be provided with power input driving gear 3(can be one-body molded or key connect), on described pto＝power take-off, 17 are rotatably assorted and are provided with a gear driven gear 19, second gear driven gear 21 and fourth gear driven gear 22, one gear driven gears 19, second gear driven gear 21, power input shaft 4 and fourth gear driven gear 22 all can engage with pto＝power take-off 17 transmissions separately; Described speed change jack shaft 6 upper drivings coordinate be provided with the power input driven gear 5 of power input driving gear 3 engagements, with one grade of driving gear 13 of gear driven gear 19 engagements, with the second gear driving gear 12 of second gear driven gear 21 engagements and with the fourth gear driving gear 11 of fourth gear driven gear 22 engagements, between power input driven gear 5, one grade of driving gear 13, second gear driving gear 12 and fourth gear driving gear 11 and speed change jack shaft 6, can pass through key connection for transmission, also can be as shown in the figure one-body molded; Between described power input shaft 4 and pto＝power take-off 17, can engage separately one to one transmission and form third gear Transmitted chains; The gear engagement structure joint power input shaft 4 of this fourth gear and the drive mechanism that engages of pto＝power take-off 17, make this speed changer agent structure compactness, small volume, more can be applicable to the compact type vehicles such as tricycle and use; According to different gear demands, switch a gear driven gear 19, second gear driven gear 21, power input shaft 4 and fourth gear driven gear 22 and engage or disconnect with the transmission of pto＝power take-off 17, realize different gear output, do not repeat them here.
In the present embodiment, power input shaft 4 and pto＝power take-off 17 coaxially arrange, pto＝power take-off 17 upper drivings cooperations are provided with the first gearshift coupling 23 and the second gearshift coupling 20, described the first gearshift coupling 23 is between power input driving gear 3 and fourth gear driven gear 22 and can engage transmission with power input driving gear 3 or fourth gear driven gear 22 respectively, and described the second gearshift coupling 20 is between second gear driven gear 21 and first speed driven gear 19 and can engage transmission with second gear driven gear 21 or first speed driven gear 19 respectively; Only adopt two gearshift coupling structures can realize fourth gear transmission, simple and compact for structure, connection and reasonable arrangement, saves component costs, is used in economy, compact type vehicle is further cost-saving, reduces energy consumption; The first gear shift coupling and the second gear shift coupling all can adopt existing synchronizer structure, adopt shift fork to drive and engage or disconnect, and do not repeat them here.Speed changer agent structure of the present utility model, can utilize comparatively compact layout, realizes effective reinforcement operation, is applicable to mountain road; Certainly, power taking input gear can with speed changer main body in any gear, all can realize object, this is simple and compact for structure, and is easy to installing/dismounting.
In the present embodiment, described power taking assembly comprises power taking jack shaft 7 for being in transmission connection with speed changer main body, being rotatably assorted is coated at power taking driving gear 8 on power taking jack shaft 7 and with 8 engagements of power taking driving gear and by the power taking driven gear 9 of power taking power output; Described power taking jack shaft 7 is provided with the power taking coupling 10 that engages or disconnect between power taking driving gear 8 and power taking jack shaft 7 for making; Coordinate and be provided with power taking output shaft 30 with described power taking driven gear 9 transmissions; Whole power takeoff can cut off Transmitted chains in used time not, saves driving source, and can extend the running life of use equipment when improving transmission efficiency; And there is good use flexibility; Power taking coupling 10 can adopt existing synchronizer to realize, and also can adopt clutch configuration, all can realize the purpose of this utility model.
Certainly, also can adopt lower array structure, described power taking assembly comprises that power taking jack shaft, power taking output shaft, transmission for being in transmission connection with speed changer coordinates the power taking driving gear being coated on power taking jack shaft and mesh with power taking driving gear and be rotatably assorted and is coated at the power taking driven gear of power taking output shaft; Described power taking pto＝power take-off is provided with the power taking coupling for making power taking driven gear engage or disconnect with power taking output shaft; That is to say, power taking coupling is arranged on power taking pto＝power take-off also can realize identical object.
In the present embodiment, power taking jack shaft 7 upper drivings coordinate the power taking input gear 24 being provided with 5 engagements of power input driven gear; By the transmission of gear engagement pair, mesh, there is higher transmission efficiency, and structure is compact with respect to band transmission and chain drive structure.
In the present embodiment, the end that described power input shaft 4 is relative with pto＝power take-off 17 forms axle bed hole, and described pto＝power take-off 17 coaxially stretches into axle bed hole and is rotatably assorted with it; Axle sleeve structure namely; Described pto＝power take-off 17 coaxially stretches into axle bed hole and is rotatably assorted with it, and whole speed changer structure compactness, integrity that this structure makes are strong, improve the stationarity of transmission, makes mutual support of the coaxial also formation of power input shaft 4 and pto＝power take-off 17; Described power input driving gear 3 is one-body molded with power input shaft 4 and relative with axle bed hole site; Power input driving gear 3 is one-body molded with power input shaft 4 and with respect to axle bed hole, can effectively increase this position intensity.
In the present embodiment, also comprise case of transmission 1, described power input shaft 4, pto＝power take-off 17, speed change jack shaft 6 and power taking jack shaft 7 are all set in rotation with case of transmission 1, are rotatably assorted and can adopt bearing fit, do not repeat them here; Described power taking driving gear 8 and power taking driven gear 9 are bevel gear, and power taking driven gear 9 is set in rotation with a pinion stand, this pinion stand is fixedly connected on case of transmission 1, can be detachable being fixedly connected with, and can be also as shown in the figure integrally formed; The engagement pair of bevel gear is beneficial to arranges power taking output orientation as required, improves adaptive capacity.
In the present embodiment, described power taking coupling logical 10 is crossed power taking pull-fork assembly and is driven, described power taking pull-fork assembly comprises by declutch shift shaft 28 and is set in rotation with the shift fork 26 of case of transmission 1 and can longitudinally reciprocatingly sliding, is arranged at the shift fork locating stud 29 of case of transmission 1, the rotation peripheral side of shift fork 26 is provided with locating slot 27, described shift fork locating stud 29 is relative with locating slot 27 and have a pretightening force that inserts it into locating slot, as shown in the figure, by column spring 25, realize this pretightening force, and shift fork locating stud 29 and column spring 25 are installed on case of transmission 1 by screw, the pull-fork assembly of this structure has certain positioning action to shift fork 26, and power taking coupling 10 has locating effect when engaging or disconnect power taking driving gear 8, to guarantee misoperation not to occur, certainly, the first gearshift coupling 23 and the second gearshift coupling 20 all can adopt the pull-fork assembly of this structure to drive gear shift.
In the present embodiment, described locating slot 27 is V-arrangement in sense of rotation, and the angle of this V-arrangement is greater than 30 °, and more employing is less than 45 °, to guarantee good location; Described shift fork locating stud 29 front ends are the V-arrangement adapting with locating slot 27; The angle of this structure limits, and is beneficial to and realizes preferably spacing and can larger interference not hang and take power shelves, is beneficial to smooth and easy engage a gear and guarantees to have limit effect.
As shown in the figure, in pto＝power take-off 17, be placed on the axle bed hole structure of power input shaft and it is rotatably assorted by needle bearing 19; Described first speed driven gear 19, second gear driven gear 21 and fourth gear driven gear 22 are corresponding to be respectively rotatably assorted by needle bearing and pto＝power take-off 17; In the utility model, transmission coordinate to adopt general spline, flat key or the transmission fit system such as one-body molded; Be rotatably assorted and can adopt the mode of bearing or empty set, cumulative is realized object, does not repeat them here.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. a power taking type multi-speed transmission, it is characterized in that: comprise speed changer main body, described speed changer main body is in transmission connection and is provided with power taking assembly, described speed changer main body is many grades of speed changing structures, comprise power input shaft and pto＝power take-off, between described power input shaft and pto＝power take-off, can engage separately one to one transmission and form one of them gear Transmitted chains, gear Transmitted chains is gear graduation drive mechanism in addition.
2. power taking type multi-speed transmission according to claim 1, it is characterized in that: described speed changer main body is four-speed gear shift structure, also comprise speed change jack shaft, described power input shaft transmission cooperation is provided with power input driving gear, on described pto＝power take-off, be rotatably assorted and be provided with a gear driven gear, second gear driven gear and fourth gear driven gear, a gear driven gear, second gear driven gear, power input shaft and fourth gear driven gear all can engage with pto＝power take-off transmission separately; Described speed change jack shaft upper driving coordinate be provided with the power input driven gear of power input driving gear engagement, with one grade of driving gear of a gear driven gear engagement, with the second gear driving gear of second gear driven gear engagement and with the fourth gear driving gear of fourth gear driven gear engagement, between described power input shaft and pto＝power take-off, can engage separately one to one transmission formation third gear Transmitted chains.
3. power taking type multi-speed transmission according to claim 2, it is characterized in that: power input shaft and pto＝power take-off coaxially arrange, the cooperation of pto＝power take-off upper driving is provided with the first gearshift coupling and the second gearshift coupling, described the first gearshift coupling is between power input driving gear and fourth gear driven gear and can engage transmission with power input driving gear or fourth gear driven gear respectively, and described the second gearshift coupling is between second gear driven gear and first speed driven gear and can engage transmission with second gear driven gear or first speed driven gear respectively.
4. power taking type multi-speed transmission according to claim 2, is characterized in that: described power taking assembly comprises power taking jack shaft for being in transmission connection with speed changer main body, being rotatably assorted is coated at power taking driving gear on power taking jack shaft and with the engagement of power taking driving gear and by the power taking driven gear of power taking power output; Described power taking jack shaft is provided with the power taking coupling that engages or disconnect between power taking driving gear and power taking jack shaft for making; Coordinate and be provided with power taking output shaft with the transmission of described power taking driven gear.
5. power taking type multi-speed transmission according to claim 2, is characterized in that: described power taking assembly comprises that power taking jack shaft, power taking output shaft, the transmission for being in transmission connection with speed changer coordinates the power taking driving gear being coated on power taking jack shaft and mesh with power taking driving gear and be rotatably assorted and is coated at the power taking driven gear of power taking output shaft; Described power taking pto＝power take-off is provided with the power taking coupling for making power taking driven gear engage or disconnect with power taking output shaft.
6. according to the power taking type multi-speed transmission described in claim 4 or 5, it is characterized in that: power taking jack shaft upper driving coordinates the power taking input gear being provided with the engagement of power input driven gear.
7. power taking type multi-speed transmission according to claim 6, is characterized in that: the end that described power input shaft is relative with pto＝power take-off forms axle bed hole, and described pto＝power take-off coaxially stretches into axle bed hole and is rotatably assorted with it; Described power input gear is one-body molded with power input shaft and relative with axle bed hole site.
8. power taking type multi-speed transmission according to claim 7, it is characterized in that: also comprise case of transmission, described power input shaft, pto＝power take-off, speed change jack shaft and power taking jack shaft are all set in rotation with case of transmission, described power taking driving gear and power taking driven gear are bevel gear, and power taking driven gear is set in rotation with a pinion stand, this pinion stand is fixedly connected on case of transmission.
9. power taking type multi-speed transmission according to claim 8, it is characterized in that: described power taking coupling drives by power taking pull-fork assembly, described power taking pull-fork assembly comprises by declutch shift shaft and is set in rotation with the shift fork of case of transmission and can longitudinally reciprocatingly sliding, is arranged at the shift fork locating stud of case of transmission, the rotation peripheral side of shift fork is provided with locating slot, and described shift fork locating stud is relative with locating slot and have a pretightening force that inserts it into locating slot.
10. power taking type multi-speed transmission according to claim 9, is characterized in that: described locating slot is V-arrangement in sense of rotation, and the angle of this V-arrangement is greater than 30 °; Described shift fork locating stud front end is the V-arrangement adapting with locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320553935.3U CN203500431U (en) | 2013-09-06 | 2013-09-06 | Power take-off type multi-gear speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320553935.3U CN203500431U (en) | 2013-09-06 | 2013-09-06 | Power take-off type multi-gear speed changer |
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| Publication Number | Publication Date |
|---|---|
| CN203500431U true CN203500431U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320553935.3U Expired - Fee Related CN203500431U (en) | 2013-09-06 | 2013-09-06 | Power take-off type multi-gear speed changer |
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| CN (1) | CN203500431U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299195A (en) * | 2015-12-09 | 2016-02-03 | 重庆先友科技开发有限公司 | Multifunctional transmission assembly with single shifting fork |
| CN105387151A (en) * | 2015-12-09 | 2016-03-09 | 重庆先友科技开发有限公司 | Multi-function gearbox assembly |
| CN105818681A (en) * | 2015-01-07 | 2016-08-03 | 比亚迪股份有限公司 | Vehicle, and power transmission system and transmission thereof |
| CN107606073A (en) * | 2017-10-30 | 2018-01-19 | 湖南真丰机械装备有限公司 | A kind of two gear motor wagon speed changers with power takeoff |
-
2013
- 2013-09-06 CN CN201320553935.3U patent/CN203500431U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818681A (en) * | 2015-01-07 | 2016-08-03 | 比亚迪股份有限公司 | Vehicle, and power transmission system and transmission thereof |
| CN105299195A (en) * | 2015-12-09 | 2016-02-03 | 重庆先友科技开发有限公司 | Multifunctional transmission assembly with single shifting fork |
| CN105387151A (en) * | 2015-12-09 | 2016-03-09 | 重庆先友科技开发有限公司 | Multi-function gearbox assembly |
| CN107606073A (en) * | 2017-10-30 | 2018-01-19 | 湖南真丰机械装备有限公司 | A kind of two gear motor wagon speed changers with power takeoff |
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