CN203979295U - Power taking gearshift type speed changer - Google Patents
Power taking gearshift type speed changer Download PDFInfo
- Publication number
- CN203979295U CN203979295U CN201420151228.6U CN201420151228U CN203979295U CN 203979295 U CN203979295 U CN 203979295U CN 201420151228 U CN201420151228 U CN 201420151228U CN 203979295 U CN203979295 U CN 203979295U
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- power taking
- gear
- power
- speed changer
- gearshift
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- 230000005540 biological transmission Effects 0.000 claims abstract description 65
- 230000001808 coupling Effects 0.000 claims abstract description 38
- 238000010168 coupling process Methods 0.000 claims abstract description 37
- 238000005859 coupling reaction Methods 0.000 claims abstract description 37
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000008188 pellet Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 108091006028 chimera Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of power taking gearshift type speed changer, comprise speed changer main body and power taking assembly, power taking assembly comprises power taking driving gear and the driven moving gear of power taking; Speed changer main body is provided with jack shaft, a shift gear of power taking driving gear and speed changer main body is set in rotation with jack shaft, jack shaft is provided with the power taking-gearshift coupling that engages or disconnect between power taking driving gear or shift gear and jack shaft for making, described power taking-gearshift coupling has room, the utility model has been removed middle transmission and switching construction with respect to existing power taking type speed changing structure, greatly reduce speed changer volume, integration, integrity are strong, be beneficial to the stationarity that keeps car load, there is good Security; When the utility model further improves transmission efficiency, save driving source, and can save installing space, be applicable to small tricycle and four-wheel wagon, not only realize more function by lower cost, be also beneficial to the Security that ensures vehicle.
Description
Technical field
The utility model relates to a kind of Motor Vehicle main body part, particularly a kind of power taking gearshift type speed changer.
Background technique
Motor Vehicle is divided into electric motor car (two-wheeled, three-wheel and electric vehicle) and the vehicle taking motor as 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 provide equipment (such as oil hydraulic pump) cause long-term operation and damage to the power of miscellaneous function, 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, do not have good adaptability and flexibility for compact sedan; 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.Main, even if the transmission between power taking assembly and speed changer can be cut off, and arranging of power taking assembly is generally relatively independent, and whole speed variator system volume is increased, and transmission efficiency is low.
Therefore, need a kind of speed changer, there is power taking function, can be used for the drive end of vehicle miscellaneous function, not only there is the function of cutting off as required and engaging at any time, and with respect to existing power taking type speed changing structure, need integration, integrity strong, compact structure, saves driving source when further improving transmission efficiency, and can save installing space.
Model utility content
In view of this, the utility model provides a kind of power taking gearshift type speed changer, there is power taking function, can be used for the drive end of vehicle miscellaneous function, not only there is the function of cutting off as required and engaging at any time, and with respect to existing power taking type speed changing structure, need integration, integrity strong, compact structure, saves driving source when further improving transmission efficiency, and can save installing space.
The utility model discloses a kind of power taking gearshift type speed changer, comprise speed changer main body, described speed changer main body is in transmission connection and is provided with power taking assembly, the driven moving gear of power taking that described power taking assembly comprises power taking driving gear and engages with power taking driving gear; Described speed changer main body is provided with jack shaft, described power taking driving gear is set in rotation with jack shaft, on described jack shaft, be also rotatably assorted and be provided with a shift gear of speed changer main body, jack shaft is provided with the power taking-gearshift coupling that engages or disconnect between power taking driving gear or shift gear and jack shaft for making, and described power taking-gearshift coupling has room.
Further, power taking assembly also comprises power taking output shaft, and the driven moving gear transmission of described power taking is equipped with in power taking output shaft, and described power taking output shaft is the hollow shaft that inner circle can engage with output member transmission.
Further, described power taking assembly is provided with power take-off housing, described power taking assembly is positioned at power take-off housing and power taking output shaft does not axially extend power take-off housing, this power take-off housing is provided with the through hole matching with the end of power taking output shaft, and described end is the one end that can engage with output member on power taking output shaft.
Further, described power taking output shaft inner circle is provided with the spline for directly engaging with output member, and the end that engages transmission with output member is provided with chamfering.
Further, described speed changer main body also comprises power input shaft and pto=power take-off, 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 top gear driven gear, described pto=power take-off is also provided with and makes power input shaft or keep off slowly the gearshift coupling that engages or disconnect between driven gear and pto=power take-off, and described gearshift coupling has room; Described jack shaft upper driving cooperation is provided with the intermediate input gear engaging with power input gear and the slow gear driving gear engaging with slow gear driven gear, and described shift gear is top gear driving gear and engages with top gear driven gear.
Further, described speed changer main body also comprises power input shaft and pto=power take-off, described power input shaft transmission cooperation is provided with power input gear, described pto=power take-off upper driving cooperation is provided with slow gear driven gear and is rotatably assorted and is provided with top gear driven gear, described pto=power take-off is also provided with and makes the gearshift coupling that engages or disconnect between power input shaft or top gear driven gear and pto=power take-off, and described gearshift coupling has room; Described jack shaft upper driving cooperation is provided with the intermediate input gear engaging with power input gear and the top gear driving gear engaging with top gear driven gear, and described shift gear is slow gear driving gear and engages with slow gear driven gear.
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, power taking assembly also comprises power taking output shaft, and the driven moving gear transmission of described power taking is equipped with in power taking output shaft; Described power taking assembly is provided with power take-off housing, described power taking assembly is positioned at power take-off housing and power taking output shaft does not axially extend power take-off housing, this power take-off housing is provided with the through hole matching with the end of power taking output shaft, described end is the one end that can engage with output member on power taking output shaft, and described power taking output shaft engages with output member by a word telescoping groove or cross telescoping groove and engages transmission;
Further, described speed changer main body also comprises case of transmission, and described power input shaft, pto=power take-off and jack shaft are all set in rotation with case of transmission, and described power take-off housing is integrally formed with case of transmission or be fixedly connected with; Described power taking-gearshift coupling and gearshift coupling drive by corresponding power taking pull-fork assembly respectively, power taking pull-fork assembly comprises shift fork and shifting shaft for being connected shift fork, in described case of transmission, be provided with gearshift axle bed, described shifting shaft is so that reciprocating mode is through transmission case body wall and gearshift axle bed vertically, and described shift fork is fixedly connected on shifting shaft inner end at least vertically.
Further, described shift fork comprises shift fork seat and the detachable shift fork body that is arranged at shift fork seat, and described shift fork seat is tubular structure and is coated at declutch shift shaft in the mode of axial restraint.
The beneficial effects of the utility model: power taking gearshift type speed changer of the present utility model, adopt a gearshift coupling to realize power taking gear shift operation, not only there is the repertoire of the existing speed changer with power taking function, can be used for the drive end of vehicle miscellaneous function and cut off as required at any time and engage, transmission and switching construction in the middle of also having removed with respect to existing power taking type speed changing structure, greatly reduce speed changer volume, integration, integrity are strong, be beneficial to the stationarity that keeps car load, there is good Security; When the utility model further improves transmission efficiency, save driving source, and can save installing space, be applicable to small tricycle and four-wheel wagon, not only realize more function by lower cost, be also beneficial to the Security that ensures vehicle.
Brief description of the drawings
Engaging drawings and Examples is below further described the utility model.
Fig. 1 is the utility model cross-sectional view;
Fig. 2 is other direction axle sectional view.
Embodiment
Fig. 1 is the utility model cross-sectional view, Fig. 2 is other direction axle sectional view, as shown in the figure: the power taking gearshift 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, the driven moving gear 10 of power taking that described power taking assembly comprises power taking driving gear 9 and engages with power taking driving gear 9, described speed changer main body is provided with jack shaft 16, described power taking driving gear 9 is set in rotation with jack shaft 16, on described jack shaft 16, be also rotatably assorted and be provided with a shift gear of speed changer main body, jack shaft 16 is provided with power taking-gearshift coupling for making to engage between power taking driving gear 9 or shift gear and jack shaft 16 or disconnect, and (the general power taking-gearshift of this structure coupling is between power taking driving gear 9 and shift gear, do not repeat them here), described power taking-gearshift coupling has room, with power taking driving gear and all asynthetic positions 12 of shift gear, as shown in the figure, power taking-gearshift coupling 12 engages with power taking driving gear 9 to the right, now power taking-gearshift coupling 12 disconnects with shift gear, power taking driving gear 9 is driven to rotate by jack shaft and realizes power taking, power taking-gearshift coupling 12 engages with shift gear left, power taking-gearshift coupling 12 disconnects with power taking driving gear 9, jack shaft drives shift gear to rotate, with this gear transmission, certainly, power taking-gearshift coupling 12 can mediate and all not engage with two gears, does not repeat them here, shift gear refers to any one shift gear for transmission in speed changer, can be a gear, two gears, three gears etc. initiatively and driven gear, that is to say, shift gear is a few gear gears, can need to design according to the layout of speed changer, power taking driving gear and power taking driven gear can be column gear, bevel gear etc., in the present embodiment, are column spur gear.
In the present embodiment, power taking assembly also comprises power taking output shaft 11, driven moving gear 10 transmissions of described power taking are equipped with in power taking output shaft 11, and described power taking output shaft 11 can engage with output member the hollow shaft of transmission for inner circle, and these power taking output shaft 11 inner circles can engage transmission with output member; Hollow shaft structure not only has good torque transmission capacity, also this shaft diameter can be made greatlyr, facilitate external equipment directly to access, and is beneficial to and avoids the interference that rotates of External Access Equipment and speed changer; Output member refers to any parts for the power of power taking assembly is exported, and because power taking output shaft in the present embodiment is hollow shaft, output member should be axle, outputs power by this output member.
In the present embodiment, described power taking assembly is provided with power take-off housing 21, described power taking assembly is positioned at power take-off housing 21 and power taking output shaft 11 does not axially extend power take-off housing 21, power taking output shaft 11 certainly and power take-off housing 21 be rotatably assorted and be supported in power take-off housing 21, do not repeat them here; When the normal transmission of speed changer or power taking transmission, because power taking output shaft does not stretch out power take-off housing 21, do not affect installation and the use of complete machine, security incident beyond preventing from causing, meanwhile, further ensures the integrity of whole speed changer; This power take-off housing 21 is provided with the through hole matching with the end of power taking output shaft 11, and described end is one end that on power taking output shaft 11, inner circle can engage with output member, simple in structure, easy to use.
In the present embodiment, described power taking output shaft 11 inner circles are provided with the spline 11a for directly engaging with output member, and the end that engages transmission with output member is provided with chamfering; Chamfering structure is beneficial to output member and directly engages with power taking output shaft, has leading role.
Certainly, power taking output shaft can not be also hollow-core construction, and end can arrange in-line projection or cross projection, with in-line groove or the chimeric transmission of cross groove of output member, certainly, and also can be contrary, all can realize object, do not repeating at this.
In the present embodiment, described speed changer main body also comprises power input shaft 1 and pto=power take-off 8, and described power input shaft 1 transmission cooperation is provided with power input gear 3, and as shown in the figure, the present embodiment position is integrally formed; On described pto=power take-off 8, be rotatably assorted and be provided with slow gear driven gear 6 and transmission and coordinate and be provided with top gear driven gear 7, as shown in the figure, slow gear driven gear 6 is rotatably assorted and is placed on pto=power take-off 8 by roller 5, top gear driven gear 7 can coordinate with pto=power take-off 8 transmissions by existing mechanical drive mode, such as spline etc.; Being rotatably assorted in the utility model is same or similar with the two with transmission cooperation, does not repeat them here; Described pto=power take-off 8 be also provided with make power input shaft 1 or keep off slowly driven gear 6 and pto=power take-off 8 between the gearshift coupling 4 that engages or disconnect, described gearshift coupling 4 has room, with power input shaft 3 and slow gear all asynthetic positions of driven gear; Described jack shaft 16 upper drivings cooperations are provided with the intermediate input gear 15 engaging with power input gear 3 and the slow gear driving gear 14 engaging with slow gear driven gear 6, and described shift gear is top gear driving gear 13 and engages with top gear driven gear 7; The speed changer of the present embodiment is three shift transmissions, and red three gears gearshifts and only two couplings of needs of power taking switching realized of whole speed changer are simple for structure and light, cost is lower, greatly reduce the volume of speed changer entirety, be beneficial to and be partial to light three-wheel, four-wheel wagon use, save driving source; The gear of slow gear, top gear and pto=power take-off and power input shaft one to, can realize object by the gear ratio adjustment between gear, does not repeat them here.
Certainly, speed changer also can adopt following structure: described speed changer main body also comprises power input shaft and pto=power take-off, described power input shaft transmission cooperation is provided with power input gear, described pto=power take-off upper driving cooperation is provided with slow gear driven gear and is rotatably assorted and is provided with top gear driven gear, described pto=power take-off is also provided with and makes the gearshift coupling that engages or disconnect between power input shaft or top gear driven gear and pto=power take-off, described gearshift coupling has room, with power input shaft and slow gear all asynthetic positions of driven gear; Described jack shaft upper driving cooperation is provided with the intermediate input gear engaging with power input gear and the top gear driving gear engaging with top gear driven gear, and described shift gear is slow gear driving gear and engages with slow gear driven gear; In this structure, shift gear is slow gear driving gear, can realize equally the purpose of this utility model.
From above structure, shift gear can be any gear of speed changer, as long as structure needs or structure allows, all can realize this structure; The output of power taking power can realize by the velocity ratio of adjusting between power taking driving gear and power taking driven gear, does not repeat them here.
In the present embodiment, the end that described pto=power take-off 8 is coaxial with power input shaft 1 and power input shaft 1 is relative with pto=power take-off 8 forms axle bed hole, namely axle sleeve structure; Described pto=power take-off 8 coaxially stretches into axle bed hole and is rotatably assorted with it; Whole speed changer structure compactness, integrity that this structure makes are strong, improve the stationarity of transmission, and the coaxial also formation of power input shaft 1 and pto=power take-off 8 is supported mutually; Described power input gear 3 is integrally formed with power input shaft 1 and relative with axle bed hole site; Power input gear 3 is integrally formed in power input shaft 1 and with respect to axle bed hole, can effectively increases this position intensity.
In the present embodiment, described speed changer main body also comprises case of transmission 2, and described power input shaft 1, pto=power take-off 8 and jack shaft 16 are all set in rotation with case of transmission 2, and described power take-off housing 21 is integrally formed with case of transmission 2 or be fixedly connected with; The present embodiment adopts integrally formed structure, and integrity is strong, simplified processing process, and meanwhile, integrally formed case of transmission and power take-off housing are beneficial to the running accuracy ensureing between each rotatable parts, simplify installation process.
In the present embodiment, described power taking-gearshift coupling 12 and gearshift coupling 4 drive by corresponding power taking pull-fork assembly respectively, power taking pull-fork assembly comprises shift fork 17 and shifting shaft 18 for being connected shift fork 17, in described case of transmission 2, be provided with gearshift axle bed, described shifting shaft 18 is so that reciprocating mode is through case of transmission 2 walls and gearshift axle bed vertically, and described shift fork 17 is fixedly connected on shifting shaft 18 inner ends at least vertically; Shifting shaft 18 supports by case of transmission 2 walls and gearshift axle bed, and good stability ensures gearshift precision and handling good.
As shown in the figure (because power taking-gearshift coupling is identical with gearshift coupling structure, only be described by the structure of gearshift coupling), on described gearshift axle bed, be provided with the pellet 20 with elasticity pretightening force for the pilot hole sidewall by shifting shaft 18, as shown in the figure, pretightening force is applied by spring 19; Shifting shaft 18 is provided with three gearshift grooves for coordinating with pellet 20 in shifting shaft 18 to-and-fro motion processes, gearshift groove coordinates with pellet clamping respectively in shifting shaft to-and-fro motion process and shift fork to-and-fro motion realizes two ends and middle location, three positions, realizes left joint, centre or right jointing state.
In the present embodiment, described shift fork 17 comprises shift fork seat and the detachable shift fork body that is arranged at shift fork seat, described shift fork seat is tubular structure and is coated at declutch shift shaft 18 in the mode of axial restraint, and as shown in the figure, shift fork seat is realized axial restraint by the pin through declutch shift shaft 18 radially and connected; The shift fork seat that adopts tubular structure, has increased the ability of bearing moment of flexure, is beneficial to and realizes shift fork driving coupling and do not produce larger upset surplus.
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 gearshift type speed changer, 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, the driven moving gear of power taking that described power taking assembly comprises power taking driving gear and engages with power taking driving gear; Described speed changer main body is provided with jack shaft, a shift gear of power taking driving gear and speed changer main body is set in rotation with jack shaft, jack shaft is provided with the power taking-gearshift coupling that engages or disconnect between power taking driving gear or shift gear and jack shaft for making, and described power taking-gearshift coupling has room.
2. power taking gearshift type speed changer according to claim 1, it is characterized in that: power taking assembly also comprises power taking output shaft, the driven moving gear transmission of described power taking is equipped with in power taking output shaft, and described power taking output shaft is the hollow shaft that inner circle can engage with output member transmission.
3. power taking gearshift type speed changer according to claim 1, it is characterized in that: described power taking assembly is provided with power take-off housing, described power taking assembly is positioned at power take-off housing and power taking output shaft does not axially extend power take-off housing, this power take-off housing is provided with the through hole matching with the end of power taking output shaft, and described end is the one end that can engage with output member on power taking output shaft.
4. power taking gearshift type speed changer according to claim 2, is characterized in that: described power taking output shaft inner circle is provided with the spline for directly engaging with output member, and the end that engages transmission with output member is provided with chamfering.
5. power taking gearshift type speed changer according to claim 1, it is characterized in that: described speed changer main body also comprises power input shaft and pto=power take-off, 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 top gear driven gear, described pto=power take-off is also provided with and makes power input shaft or keep off slowly the gearshift coupling that engages or disconnect between driven gear and pto=power take-off, and described gearshift coupling has room; Described jack shaft upper driving cooperation is provided with the intermediate input gear engaging with power input gear and the slow gear driving gear engaging with slow gear driven gear, and described shift gear is top gear driving gear and engages with top gear driven gear.
6. power taking gearshift type speed changer according to claim 1, it is characterized in that: described speed changer main body also comprises power input shaft and pto=power take-off, described power input shaft transmission cooperation is provided with power input gear, described pto=power take-off upper driving cooperation is provided with slow gear driven gear and is rotatably assorted and is provided with top gear driven gear, described pto=power take-off is also provided with and makes the gearshift coupling that engages or disconnect between power input shaft or top gear driven gear and pto=power take-off, and described gearshift coupling has room; Described jack shaft upper driving cooperation is provided with the intermediate input gear engaging with power input gear and the top gear driving gear engaging with top gear driven gear, and described shift gear is slow gear driving gear and engages with slow gear driven gear.
7. according to the power taking gearshift type speed changer described in claim 5 or 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 gearshift type speed changer according to claim 1, is characterized in that: power taking assembly also comprises power taking output shaft, and the driven moving gear transmission of described power taking is equipped with in power taking output shaft; Described power taking assembly is provided with power take-off housing, described power taking assembly is positioned at power take-off housing and power taking output shaft does not axially extend power take-off housing, this power take-off housing is provided with the through hole matching with the end of power taking output shaft, described end is the one end that can engage with output member on power taking output shaft, and described power taking output shaft engages with output member by a word telescoping groove or cross telescoping groove and engages transmission.
9. power taking gearshift type speed changer according to claim 7, it is characterized in that: described speed changer main body also comprises case of transmission, described power input shaft, pto=power take-off and jack shaft are all set in rotation with case of transmission, and described power take-off housing is integrally formed with case of transmission or be fixedly connected with; Described power taking-gearshift coupling and gearshift coupling drive by corresponding power taking pull-fork assembly respectively, power taking pull-fork assembly comprises shift fork and shifting shaft for being connected shift fork, in described case of transmission, be provided with gearshift axle bed, described shifting shaft is so that reciprocating mode is through transmission case body wall and gearshift axle bed vertically, and described shift fork is fixedly connected on shifting shaft inner end at least vertically.
10. power taking gearshift type speed changer according to claim 9, is characterized in that: described shift fork comprises shift fork seat and the detachable shift fork body that is arranged at shift fork seat, and described shift fork seat is tubular structure and is coated at declutch shift shaft in the mode of axial restraint.
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CN201420151228.6U CN203979295U (en) | 2014-03-31 | 2014-03-31 | Power taking gearshift type speed changer |
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CN201420151228.6U CN203979295U (en) | 2014-03-31 | 2014-03-31 | Power taking gearshift type speed changer |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107139516A (en) * | 2017-06-20 | 2017-09-08 | 西安交通大学 | A kind of modular punching machine unit head |
CN109664753A (en) * | 2019-01-28 | 2019-04-23 | 北京福田戴姆勒汽车有限公司 | Car transporter |
CN114233833A (en) * | 2021-12-03 | 2022-03-25 | 江铃汽车股份有限公司 | Power take-off mechanism for vehicle |
-
2014
- 2014-03-31 CN CN201420151228.6U patent/CN203979295U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107139516A (en) * | 2017-06-20 | 2017-09-08 | 西安交通大学 | A kind of modular punching machine unit head |
CN109664753A (en) * | 2019-01-28 | 2019-04-23 | 北京福田戴姆勒汽车有限公司 | Car transporter |
CN114233833A (en) * | 2021-12-03 | 2022-03-25 | 江铃汽车股份有限公司 | Power take-off mechanism for vehicle |
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