CN203500391U - Power take-off speed changer - Google Patents

Power take-off speed changer Download PDF

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Publication number
CN203500391U
CN203500391U CN201320519935.1U CN201320519935U CN203500391U CN 203500391 U CN203500391 U CN 203500391U CN 201320519935 U CN201320519935 U CN 201320519935U CN 203500391 U CN203500391 U CN 203500391U
Authority
CN
China
Prior art keywords
gear
power
power taking
speed changer
transmission
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.)
Expired - Fee Related
Application number
CN201320519935.1U
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Chinese (zh)
Inventor
蒋辉
王吉龙
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 CN201320519935.1U priority Critical patent/CN203500391U/en
Application granted granted Critical
Publication of CN203500391U publication Critical patent/CN203500391U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a power take-off speed changer, which comprises a speed changer main body and a power take-off assembly, wherein the power take-off assembly comprises a power take-off intermediate shaft, a power take-off driving gear, a power take-off driven gear and a power take-off adapter. In the power take-off speed changer, the power take-off assembly is in switchable transmission connection with the speed changer main body, so that a power take-off function is realized; the power take-off speed changer can be applied to a driving end having a vehicle assisting function, and the function of the speed changer is expanded; the power take-off speed changer is compact in structure, is high in integrity, is suitable for the conventional compact car and can be more suitable for small-sized tricycles and quadricycles, and multiple functions are realized at low cost; moreover, when the power take-off device is not in use, a transmission chain of the entire power take-off device can be switched off, so that driving energy is saved while the transmission efficiency is increased, and the running service life of the use equipment can be prolonged.

Description

Power taking type speed changer
Technical field
The utility model relates to a kind of Motor Vehicle main body part, particularly a kind of power taking type speed changer.
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; Meanwhile, generally adopt the inseverable relation that is in transmission connection between existing power takeoff and speed changer, transmission efficiency is also lower, and by getting power-actuated equipment long-term operation, waste driving source also reduces service life of equipment.
Therefore, need a kind of speed changer, there is power taking function, can be used for the drive end of vehicle miscellaneous function, expand the function of speed changer, need compact structure, integrity is strong, is applicable to existing compact sedan and uses, and, 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.
Model utility content
In view of this, the utility model provides a kind of power taking type speed changer, has power taking function, can be used for the drive end of vehicle miscellaneous function, expand the function of speed changer, compact structure, integrity is strong, is applicable to existing compact sedan and uses, and, 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.
The utility model discloses a kind of power taking type speed changer, comprise speed changer main body, described speed changer main body is in transmission connection and is provided with power taking assembly, and described power taking assembly comprises power taking jack shaft for being in transmission connection with speed changer, 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.
Further, coordinate and be provided with power taking output shaft with the transmission of described power taking driven gear.
The present invention also discloses a kind of power taking type speed changer in addition, comprise speed changer main body, described speed changer main body is in transmission connection and is provided with power taking assembly, and 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.
Further, described speed changer main body comprises power input shaft, pto=power take-off and speed change jack shaft, described power input shaft transmission cooperation is provided with power input gear, on described pto=power take-off, be rotatably assorted and be provided with slow gear driven gear and transmission and coordinate and be provided with the first gearshift coupling, described the first gearshift coupling is with can be with power input shaft or keep off slowly the mode that driven gear engages and arrange, and described speed change jack shaft upper driving coordinates and is provided with and the first intermediate gear of power input gear engagement and the second intermediate gear meshing with slow gear driven gear; Described power taking jack shaft upper driving coordinates the power taking input gear being provided with the first intermediate gear engagement;
Further, described speed changer main body also comprises top gear assembly, and described top gear assembly comprises high speed transmission of power to the high gear engagement pair of pto=power take-off with by the second gear shift coupling of the high speed power cut of high gear engagement pair or joint;
Further, described high gear engagement pair comprises being rotatably assorted and is coated at the top gear driving gear of speed change jack shaft and coordinates with top gear driving gear engagement and transmission the top gear driven gear that is coated at pto=power take-off, and described the second gear shift coupling is arranged at speed change jack shaft and so that top gear driving gear engages with speed change jack shaft or the mode that disconnects arranges;
Or, described high gear engagement pair comprises that transmission coordinates and is coated at the top gear driving gear of speed change jack shaft and with the engagement of top gear driving gear and be rotatably assorted and be coated at the top gear driven gear of pto=power take-off, and described the second gear shift coupling is arranged at pto=power take-off and so that top gear driven gear engages with pto=power take-off or the mode that disconnects arranges;
Further, the end that described pto=power take-off is coaxial with power input shaft and 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 speed changer 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 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.
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 speed changer 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, and described power taking assembly comprises power taking jack shaft 12 for being in transmission connection with speed changer, being rotatably assorted is coated at power taking driving gear 8 on power taking jack shaft 12 and with 8 engagements of power taking driving gear and by the power taking driven gear 11 of power taking power output; Described power taking jack shaft 12 is provided with the power taking coupling 9 that engages or disconnect between power taking driving gear 8 and power taking jack shaft 12 for making; Power taking coupling 9 can adopt existing synchronizer to realize, and also can adopt clutch configuration, all can realize the purpose of this utility model.
In the present embodiment, coordinate and be provided with power taking output shaft 25 with described power taking driven gear 11 transmissions; During use, can directly by power taking output shaft 25, output power, easy to use, speed changer integrity is stronger.
Certainly, power taking type speed changer of the present invention can also adopt lower array structure, and 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, described speed changer main body comprises power input shaft 17, pto=power take-off 3 and speed change jack shaft 15, described power input shaft 17 transmissions cooperations are provided with power input gear, on described pto=power take-off 3, be rotatably assorted and be provided with slow gear driven gear 2 and transmission and coordinate and be provided with the first gearshift coupling 20, described the first gearshift coupling 20 arranges can or keep off slowly with power input shaft 17 mode that driven gear 2 engages, described speed change jack shaft 15 upper drivings cooperations are provided with and the first intermediate gear 16 of power input gear 18 engagements and the second intermediate gear 5 meshing with slow gear driven gear 2, as shown in the figure, power input gear 18 and the first intermediate gear 16 form primary speed-down transmission, the second intermediate gear 5 forms double reduction transmission with slow gear driven gear 2, adopt speed changer agent structure of the present utility model, can utilize comparatively compact layout, realize effectively once power operation, be applicable to mountain road, wherein, the first gearshift coupling 20 can adopt the synchronizer structure of prior art, adopts shift fork to drive and engages or disconnect, described power taking jack shaft 12 upper drivings coordinate the power taking input gear 14 being provided with the first intermediate gear 16 engagements, certainly, power taking input gear 14 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 speed changer main body also comprises top gear assembly, and described top gear assembly comprises high speed transmission of power to the high gear engagement pair of pto=power take-off with by the second gear shift coupling 7 of the high speed power cut of high gear engagement pair or joint; This structure makes speed changer main body form three mark structures, saves driving source while running at high speed after acceleration, improves running efficiency, thereby expansion is as the use function of the compact type vehicles such as tricycle.
In the present embodiment, described high gear engagement pair comprises being rotatably assorted and is coated at the top gear driving gear 4 of speed change jack shaft and coordinates with top gear driving gear 4 engagement and transmission the top gear driven gear 26 that is coated at pto=power take-off 3, and described the second gear shift coupling 7 is arranged at speed change jack shaft 15 and so that top gear driving gear 4 engages with speed change jack shaft 15 or the mode that disconnects arranges; Do not need top gear Transmitted chains is set separately, guaranteed that the compactness of speed changer is flexible, more can be applicable to dilly and use.
Certainly, also can adopt following structure, be that described high gear engagement pair comprises that transmission coordinates and is coated at the top gear driving gear of speed change jack shaft and with the engagement of top gear driving gear and be rotatably assorted and be coated at the top gear driven gear of pto=power take-off, described the second gear shift coupling is arranged at pto=power take-off and so that top gear driven gear engages with pto=power take-off or the mode that disconnects arranges; Can realize the purpose of this utility model equally.
In the present embodiment, the end that described pto=power take-off 3 is coaxial with power input shaft 17 and power input shaft 17 is relative with pto=power take-off 3 forms axle bed hole, namely axle sleeve structure; Described pto=power take-off 3 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 17 and pto=power take-off 3; Described power input gear 18 is one-body molded with power input shaft 17 and relative with axle bed hole site; Power input gear 18 is one-body molded with power input shaft 17 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 17, pto=power take-off 3, speed change jack shaft 15 and power taking jack shaft 12 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 11 are bevel gear, and power taking driven gear 11 is set in rotation with a pinion stand 10, and this pinion stand 10 is fixedly connected on case of transmission 1, can be detachable being fixedly connected with, and can be also; 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 9 is crossed power taking pull-fork assembly and is driven, described power taking pull-fork assembly comprises by declutch shift shaft 22 and is set in rotation with the shift fork 21 of case of transmission 1 and can longitudinally reciprocatingly sliding, is arranged at the shift fork locating stud 23 of case of transmission 1, the rotation peripheral side of shift fork 21 is provided with locating slot 27, described shift fork locating stud 23 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 24, realize this pretightening force, and shift fork locating stud 23 and column spring 24 are installed on case of transmission 1 by screw, the pull-fork assembly of this structure has certain positioning action to shift fork 21, and power taking coupling 9 has locating effect when engaging or disconnect power taking driving gear 8, to guarantee misoperation not to occur, certainly, the first gearshift coupling 20 and the second gearshift coupling 7 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 23 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 3, be placed on the axle bed hole structure of power input shaft and it is rotatably assorted by needle bearing 19; Described slow gear driven gear 2, top gear driving gear 4 are corresponding to be respectively rotatably assorted by needle bearing 28,6 and pto=power take-off 3 and speed change jack shaft 15; In the utility model, transmission coordinates transmission fit systems such as adopting general spline, flat key; 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 speed changer, 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, and described power taking assembly comprises power taking jack shaft for being in transmission connection with speed changer, 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.
2. power taking type speed changer according to claim 1, is characterized in that: coordinate and be provided with power taking output shaft with the transmission of described power taking driven gear.
3. a power taking type speed changer, 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, and 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.
4. according to the power taking type speed changer described in claim 1 or 3, it is characterized in that: described speed changer main body comprises power input shaft, pto=power take-off and speed change jack shaft, described power input shaft transmission cooperation is provided with power input gear, on described pto=power take-off, be rotatably assorted and be provided with slow gear driven gear and transmission and coordinate and be provided with the first gearshift coupling, described the first gearshift coupling is with can be with power input shaft or keep off slowly the mode that driven gear engages and arrange, described speed change jack shaft upper driving cooperation is provided with and the first intermediate gear of power input gear engagement and the second intermediate gear meshing with slow gear driven gear, described power taking jack shaft upper driving coordinates the power taking input gear being provided with the first intermediate gear engagement.
5. power taking type speed changer according to claim 4, it is characterized in that: described speed changer main body also comprises top gear assembly, described top gear assembly comprises high speed transmission of power to the high gear engagement pair of pto=power take-off with by the second gear shift coupling of the high speed power cut of high gear engagement pair or joint.
6. power taking type speed changer according to claim 5, it is characterized in that: described high gear engagement pair comprises being rotatably assorted and be coated at the top gear driving gear of speed change jack shaft and coordinate with top gear driving gear engagement and transmission the top gear driven gear that is coated at pto=power take-off, described the second gear shift coupling is arranged at speed change jack shaft and so that top gear driving gear engages with speed change jack shaft or the mode that disconnects arranges;
Or, described high gear engagement pair comprises that transmission coordinates and is coated at the top gear driving gear of speed change jack shaft and with the engagement of top gear driving gear and be rotatably assorted and be coated at the top gear driven gear of pto=power take-off, and described the second gear shift coupling is arranged at pto=power take-off and so that top gear driven gear engages with pto=power take-off or the mode that disconnects arranges.
7. power taking type speed changer according to claim 6, it is characterized in that: the end that described pto=power take-off is coaxial with power input shaft and 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 speed changer 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 speed changer 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 speed changer 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.
CN201320519935.1U 2013-08-23 2013-08-23 Power take-off speed changer Expired - Fee Related CN203500391U (en)

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Application Number Priority Date Filing Date Title
CN201320519935.1U CN203500391U (en) 2013-08-23 2013-08-23 Power take-off speed changer

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Application Number Priority Date Filing Date Title
CN201320519935.1U CN203500391U (en) 2013-08-23 2013-08-23 Power take-off speed changer

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Cited By (7)

* Cited by examiner, † Cited by third party
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
CN105351454A (en) * 2015-12-09 2016-02-24 重庆先友科技开发有限公司 Center-positioned multifunctional gearbox assembly
CN105345671A (en) * 2015-12-07 2016-02-24 重庆大江工业有限责任公司 Transmission system of ground shot blasting machine
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
CN108488362A (en) * 2018-05-29 2018-09-04 力帆实业(集团)股份有限公司 Engine for motorcycle speed changer structure
CN109664753A (en) * 2019-01-28 2019-04-23 北京福田戴姆勒汽车有限公司 Car transporter

Cited By (7)

* Cited by examiner, † Cited by third party
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
CN105345671A (en) * 2015-12-07 2016-02-24 重庆大江工业有限责任公司 Transmission system of ground shot blasting machine
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
CN105351454A (en) * 2015-12-09 2016-02-24 重庆先友科技开发有限公司 Center-positioned multifunctional gearbox assembly
CN105387151A (en) * 2015-12-09 2016-03-09 重庆先友科技开发有限公司 Multi-function gearbox assembly
CN108488362A (en) * 2018-05-29 2018-09-04 力帆实业(集团)股份有限公司 Engine for motorcycle speed changer structure
CN109664753A (en) * 2019-01-28 2019-04-23 北京福田戴姆勒汽车有限公司 Car transporter

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Granted publication date: 20140326

Termination date: 20180823