CN203051643U - Angle intersection transmission five-gear speed changer of medium bus - Google Patents
Angle intersection transmission five-gear speed changer of medium bus Download PDFInfo
- Publication number
- CN203051643U CN203051643U CN 201220676984 CN201220676984U CN203051643U CN 203051643 U CN203051643 U CN 203051643U CN 201220676984 CN201220676984 CN 201220676984 CN 201220676984 U CN201220676984 U CN 201220676984U CN 203051643 U CN203051643 U CN 203051643U
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- gear
- housing
- shaft
- gear pair
- output shaft
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Abstract
The utility model discloses an angle intersection transmission five-gear speed changer of a medium bus. The angle intersection transmission five-gear speed changer of the medium bus comprises a shell body, a first haft, an intermediate shaft, a second shaft, a reverse gear pair, a first gear pair, a second gear pair, a third gear pair, a fourth gear pair, a fifth gear pair, a corresponding first reverse gear joint sleeve, a corresponding second and third gear synchronizer, and a corresponding fourth and fifth gear synchronizer, wherein the first haft, the intermediate shaft, the second shaft, the reverse gear pair, the first gear pair, the second gear pair, the third gear pair, the fourth gear pair, the fifth gear pair, the second and third gear synchronizer and the fourth and fifth gear synchronizer are arranged inside the shell body. Gear pairs are selectively connected with corresponding synchronizers or the first reverse gear joint sleeve. When some gear is selected, an idler gear which corresponds to a gear pair in a centering mode is locked on a shaft through a synchronizer. A spline at the rear end of the second shaft is connected with a driving spiral bevel gear. An output shaft which is perpendicular to the intermediate shaft is arranged on the shell body. A driven spiral bevel gear which is meshed with the driving spiral bevel gear is arranged at the front end of the output shaft. The other end of the output shaft is connected with an output flange. The angle intersection transmission five-gear speed changer of the medium bus is capable of carrying out angle intersection to transmit power and shortening the length of the angle intersection transmission five-gear speed changer of the medium bus, thus the length of a rear overhang of the medium bus is shortened, and stability of travel of the medium bus is improved.
Description
Technical field
The utility model relates to a kind of speed changer, and the transmission Five block transmission is handed at the angle that particularly relates to a kind of middle bus.
Background technique
Along with the increasing of the construction scale of the high speed development of China and domestic highway, the population of each counties and cities' contact is more and more, and therefore the demand of the middle bus of domestic 7-9 rice also significantly increases, and the demand of speed changer of mating this type of middle bus is also growing.But there are many defectives in the middle bus of existing 7-9 rice in actual use with speed changer.Middle bus is generally the engine at extreme rear rear wheel drive, and motor head connects speed changer, and back axle is connected the speed changer rear end, and motor, speed changer become with back axle vertically to arrange.At present, the common gear wherein of the speed changer that is using usually is for what connect, and the speed changer of series-mode frame is longer, occupation space is bigger, causes the passenger vehicle rear overhang long thus, and the span between the bridge of front and back is unreasonable, the stationarity that car load travels is relatively poor, and interior space is limited.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, provides a kind of angle of middle bus to hand over the transmission Five block transmission, and this speed changer can turn to transferring power, shortens speed changer length, thereby shortens the length of passenger vehicle rear overhang, improves the stationarity of bus driving.
The purpose of this utility model is achieved in that
The transmission Five block transmission is handed at a kind of angle of middle bus, comprise first that is provided with in housing and the housing, jack shaft, second, the reverse gear pair, the first gear pair, the second gear pair, three retaining gear pairs, four retaining gear pairs, five retaining gear pairs and corresponding clutch collars that reverse gear, two or three retaining synchronizers, four or five retaining synchronizers, wherein, described first end by bearings in housing, one end of first the other end and jack shaft is fixedlyed connected by spline housing, the two ends of jack shaft by bearings in housing, described second two ends are propped up by bearing and are held in housing, described reverse gear pair, the first gear pair, the second gear pair, three retaining gear pairs, four retaining gear pairs, five retaining gear pairs are positioned on jack shaft and second, described gear pair is selected to be connected with described respective synchronization device, when selecting a certain gear, the idler gear of respective teeth wheel set centering passes through the synchronizer locking to axle; Described second rear end spline connects initiatively helical bevel gear, described active helical bevel gear by bolt axis to being positioned second, housing is provided with an output shaft, described output shaft is vertical with jack shaft, the front end of output shaft by bearings in housing, this end of output shaft is provided with the driven helical bevel gear with the engagement of active helical bevel gear, the other end of output shaft is supported in housing by selfaligning roller bearing, this end spline of output shaft connects an output flange, output flange by nut shaft to being positioned output shaft.
Described housing is provided with selector fork, and an end of described selector fork contacts with synchronizer.
Bearing on described first is roller bearing.
The bearing at described jack shaft two ends is the N-type roller bearing.
The bearing at described second two ends is tapered roller bearing.
Owing to adopted such scheme, import the power that motor transmits into through first, connect with jack shaft by spline housing power is reached jack shaft, first coaxial with jack shaft, the power that is passed to jack shaft respectively keeps off gear through jack shaft and respectively keeps off gear and mesh and reach second with two, second front end is equipped with an initiatively helical bevel gear, the power that reaches second is exported by the active helical bevel gear, second axis and output shaft axis normal, driven helical bevel gear engagement on active helical bevel gear on second and the output shaft, driven helical bevel gear and output shaft are fixedly connected, the driven helical bevel gear that obtains power reaches power on the output shaft, because second axis and output shaft axis normal have namely realized dynamic angle and have handed over 90 ° that power is outwards exported through output flange.
The utility model shortens speed changer length by the said structure transferring power, thereby shortens the length of passenger vehicle rear overhang, use behind this speed changer before and after span between the bridge more reasonable, and interior space is bigger, improves the stationarity of bus driving.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a kind of embodiment's of the present utility model structural representation.
In the accompanying drawing, 1 is housing, and 2 is first, 3 is jack shaft, and 4 is second, and 5 is the reverse gear pair, 6 is the first gear pair, and 7 is the second gear pair, and 8 is three retaining gear pairs, 9 is four retaining gear pairs, and 10 is five retaining gear pairs, and 11 is the clutch collar that reverses gear, 12 is two or three retaining synchronizers, and 13 is four or five retaining synchronizers, and 14 is spline housing, 15 is the active helical bevel gear, 16 is output shaft, and 17 is driven helical bevel gear, and 18 is selfaligning roller bearing, 19 is output flange, 20 is selector fork, and 21 is roller bearing, and 22 is the N-type roller bearing, 23 is tapered roller bearing
Embodiment
Be a kind of embodiment that the transmission Five block transmission is handed at the angle of middle bus referring to Fig. 1, this speed changer comprises first 2 of being provided with in housing 1 and the housing 1, jack shaft 3, second spool 4, reverse gear pair 5, first gear pair 6, second gear pair 7, three retaining gear pairs 8, four retaining gear pairs 9, five retaining gear pairs 10 and corresponding reverse gear clutch collar 11, two or three retaining synchronizers 12, four or five retaining synchronizers 13, wherein, in housing 1, the bearing on described first 2 is roller bearing 21 to described first 2 end by bearings.Because speed changer receives the power of motor, it is bigger to load, so select roller bearing for use, the cylindrical roller of roller bearing and raceway are line contact bearing, and load carrying capacity is big, mainly bear radial load, rolling element and the friction of lasso rib are little, are suitable for rotation at a high speed.One end of first 2 the other end and jack shaft 3 is fixedlyed connected by spline housing 14, and the connecting end of first 2 and jack shaft 3 is respectively equipped with external splines, and spline housing 14 is provided with internal spline.In housing 1, the bearing at described jack shaft 3 two ends is N-type roller bearing 22 by bearings at the two ends of jack shaft 3.The outer ring of N-type roller bearing does not have rib, and there is rib the both sides of inner ring.Can allow the displacement of jack shaft 3 relative housings 1 on axial both direction.Described second 4 two ends are propped up by bearing and are held in housing 1, and the bearing at described second 4 two ends is tapered roller bearing 23.It radially is main footpath, axial connected load that tapered roller bearing mainly bears, because through regular meeting the vibration of all directions takes place according to the difference of road conditions in the vehicle traveling process, so tapered roller bearing can satisfy the user demand of automobile under various road conditions.Described reverse gear pair 5, first gear pair 6, second gear pair 7, three retaining gear pairs 8, four retaining gear pairs 9, five retaining gear pairs 10 are positioned on jack shaft 3 and second 4.Described gear pair is selected to be connected with described respective synchronization device, when selecting a certain gear, the idler gear of respective teeth wheel set centering passes through the synchronizer locking to axle, two different gears of rotational speed mesh by force impact will inevitably take place, damage gear, synchronizer makes and will reach consistent rotating speed and engagement smoothly by meshed gears.Described second 4 rear end spline connects initiatively helical bevel gear 15, and described active helical bevel gear 15 to being positioned second 4, is provided with a backing plate between the nut of bolt and second 4 by bolt axis, and the diameter of backing plate is greater than second 4 diameter.Housing 1 is provided with an output shaft 16, and described output shaft 16 is vertical with jack shaft 3, the front end of output shaft 16 by bearings in housing 1.This end of output shaft 16 is provided with the driven helical bevel gear 17 with 15 engagements of active helical bevel gear, the other end of output shaft 16 is supported in housing 1 by selfaligning roller bearing 18, selfaligning roller bearing 18 has two row rollers, mainly bear radial load, also can bear the thrust load of either direction simultaneously.High radial capacity is arranged, be specially adapted to work under heavy duty or the oscillating load, such bearing outer ring ball track is sphere shape, so its aligning performance is good, and can compensating coaxial degree error.This end spline of output shaft 16 connects an output flange 19, this end of this end of output shaft 16 is provided with external splines, output flange 19 is provided with internal spline, and output flange 19 to being positioned output shaft 16, makes output flange 19 fixedly connected with output shaft 16 by nut shaft.Described housing 1 is provided with selector fork 20, and an end of described selector fork 20 contacts with synchronizer, to control the rotation of each gear pair, reaches the purpose of gearshift.
The power of motor transmission imports into through first, connect with jack shaft by spline housing power is reached jack shaft, first coaxial with jack shaft, the power that is passed to jack shaft respectively keeps off gear through jack shaft and respectively keeps off gear and mesh and reach second with two, second front end is equipped with an initiatively helical bevel gear, the power that reaches second is exported by the active helical bevel gear, second axis and output shaft axis normal, driven helical bevel gear engagement on active helical bevel gear on second and the output shaft, driven helical bevel gear and output shaft are fixedly connected, the driven helical bevel gear that obtains power reaches power on the output shaft, because second axis and output shaft axis normal have namely realized dynamic angle and have handed over 90 ° that power is outwards exported through output flange.
The utility model not only is confined to above-described embodiment, carries out the technological scheme of a little change under the situation that does not deviate from the technical solutions of the utility model spirit, should fall into protection domain of the present utility model.
Claims (5)
1. the transmission Five block transmission is handed at the angle of a middle bus, comprise first that is provided with in housing and the housing, jack shaft, second, the reverse gear pair, the first gear pair, the second gear pair, three retaining gear pairs, four retaining gear pairs, five retaining gear pairs and corresponding clutch collars that reverse gear, two or three retaining synchronizers, four or five retaining synchronizers, wherein, described first end by bearings in housing, one end of first the other end and jack shaft is fixedlyed connected by spline housing, the two ends of jack shaft by bearings in housing, described second two ends are propped up by bearing and are held in housing, described reverse gear pair, the first gear pair, the second gear pair, three retaining gear pairs, four retaining gear pairs, five retaining gear pairs are positioned on jack shaft and second, described gear pair is selected to be connected with described respective synchronization device, when selecting a certain gear, the idler gear of respective teeth wheel set centering passes through the synchronizer locking to axle; It is characterized in that: described second rear end spline connects initiatively helical bevel gear, described active helical bevel gear by bolt axis to being positioned second, housing is provided with an output shaft, described output shaft is vertical with jack shaft, the front end of output shaft by bearings in housing, this end of output shaft is provided with the driven helical bevel gear with the engagement of active helical bevel gear, the other end of output shaft is supported in housing by selfaligning roller bearing, this end spline of output shaft connects an output flange, output flange by nut shaft to being positioned output shaft.
2. the transmission Five block transmission is handed at the angle of middle bus according to claim 1, and it is characterized in that: described housing is provided with selector fork, and an end of described selector fork contacts with synchronizer.
3. the transmission Five block transmission is handed at the angle of middle bus according to claim 1, and it is characterized in that: the bearing on described first is roller bearing.
4. the transmission Five block transmission is handed at the angle of middle bus according to claim 1, and it is characterized in that: the bearing at described jack shaft two ends is the N-type roller bearing.
5. the transmission Five block transmission is handed at the angle of middle bus according to claim 1, and it is characterized in that: the bearing at described second two ends is tapered roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676984 CN203051643U (en) | 2012-12-11 | 2012-12-11 | Angle intersection transmission five-gear speed changer of medium bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676984 CN203051643U (en) | 2012-12-11 | 2012-12-11 | Angle intersection transmission five-gear speed changer of medium bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051643U true CN203051643U (en) | 2013-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220676984 Expired - Fee Related CN203051643U (en) | 2012-12-11 | 2012-12-11 | Angle intersection transmission five-gear speed changer of medium bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016646A (en) * | 2012-12-11 | 2013-04-03 | 綦江齿轮传动有限公司 | Angle-intersection transmission five-gear transmission of medium bus |
-
2012
- 2012-12-11 CN CN 201220676984 patent/CN203051643U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016646A (en) * | 2012-12-11 | 2013-04-03 | 綦江齿轮传动有限公司 | Angle-intersection transmission five-gear transmission of medium bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20161211 |