CN101734341A - Double speed drive rear axle transmission - Google Patents
Double speed drive rear axle transmission Download PDFInfo
- Publication number
- CN101734341A CN101734341A CN201010042081A CN201010042081A CN101734341A CN 101734341 A CN101734341 A CN 101734341A CN 201010042081 A CN201010042081 A CN 201010042081A CN 201010042081 A CN201010042081 A CN 201010042081A CN 101734341 A CN101734341 A CN 101734341A
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- gear
- driving gear
- speed driven
- shaft
- rear axle
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Abstract
The embodiment of the invention discloses a double speed drive rear axle transmission, comprising a main gear wheel arranged inside the internal rotary body of a high-speed follower gear, another main gear wheel in a low-speed follower gear, two semiaxis fixed inside the two main gear wheels, two planetary pinions fixed between the two main gear wheels and engaged with the two planetary pinions. A primary drive gear wheel and a secondary drive gear wheel are both attached to the spline shaft, a synchronic clutch gear is also attached to the spline shaft, an output gear wheel is connected with the input shaft, and the synchronic clutch gear can rotate along the axis direction of a spline shaft. The internal rotator of the high-speed follower gear is an integral steel structure. By forging the high-speed follower gear and the internal rotary body into an integral steel structure, the invention greatly reduces the internal space, measurement, weight as well as resource consumption. In the invention, a super-slow gear is added, which slows down the speed of heavy-loaded mountain area drive and ensures security of the drivers, a high-speed gear is added to gear up the speed for no-load drive in flat areas.
Description
Technical field
The present invention relates to the vehicular transmission technical field, more particularly, relate to a kind of double speed drive rear axle transmission.
Background technology
The present shaft drive motor tricycle that uses, though two speed transmissions are installed, one of them gear is the deceleration force amplifier effect, another gear is the transformation of Chang Su, does not have high-speed functions, so can't realize on the level land fast.Because the restriction of its structure, reinforcement effect is very poor during the reinforcement gear, and it is at a slow speed because the restriction of gear parameter and structure is slow inadequately at a slow speed.At a high speed, empty wagons is unable to lift speed in the time of can't making motor tricycle reach normal underloading, and it is quick still can not to solve the Plain, the hills low-medium speed, and mountain region situation is at a slow speed still made troubles to the user, and the user is still dissatisfied.
Summary of the invention
In view of this, the invention provides a kind of double speed drive rear axle transmission, high speed during with realization underloading on the level land, the function of Ultra-Low Speed when realizing heavy duty on the mountain region.
For achieving the above object, the invention provides following technical scheme:
A kind of double speed drive rear axle transmission comprises: casing, high speed driven gear inner rotary member, low speed driven gear, first driving gear, second driving gear, synchronous interface tooth, castellated shaft, input shaft, two mafor planet gears, two small planetary gears and two semiaxis;
Described high speed driven gear inner rotary member is the ladder tubular structure, and its outer ring is provided with the gear teeth;
One of them mafor planet gear is installed in the high speed driven gear inner rotary member, another mafor planet gear is installed in the low speed driven gear, two semiaxis are set in two mafor planet gears, two small planetary gears are separately fixed between two mafor planet gears, and mesh with two mafor planet gears;
Described first driving gear and second driving gear all are sleeved on the described castellated shaft;
Described synchronous interface tooth is sleeved on the described castellated shaft, and is arranged between described first driving gear and second driving gear;
Described input shaft is provided with output gear, also is provided with the 3rd gear on the described castellated shaft, and output gear on the described input shaft and described the 3rd gear constant-mesh;
Described first driving gear and described high speed driven gear inner rotary member constant-mesh;
Described second driving gear and described low speed driven gear constant-mesh;
Described synchronous interface tooth can move axially along described castellated shaft, and can drive first driving gear and the rotation of second driving gear;
Described two semiaxis, castellated shaft and input shafts are all by described case supports;
Described high speed driven gear inner rotary member is whole steel part structure.
Preferably, above-mentioned double speed drive rear axle transmission,
Described synchronous interface tooth inner ring is and the suitable inner spline gear of described castellated shaft;
Described first driving gear and the second driving gear inner ring, one end are provided with internal tooth;
Described synchronous interface tooth outer ring is provided with the gear teeth that are meshed with described first driving gear and the second driving gear internal tooth.
Preferably, above-mentioned double speed drive rear axle transmission, described first driving gear and described high speed driven gear are spur gear;
Described second driving gear and described low speed driven gear are helical wheel.
Preferably, above-mentioned double speed drive rear axle transmission, output gear on the described input shaft and described the 3rd gear are finishing bevel gear cuter.
Preferably, above-mentioned double speed drive rear axle transmission, described casing middle part is provided with the circular flange dish.
Preferably, above-mentioned double speed drive rear axle transmission, described flange can mate with existing regular three-wheeled motor axle shell formula back axle.
Preferably, above-mentioned double speed drive rear axle transmission also comprises declutch shift shaft, gearshift post and torque arm;
Described declutch shift shaft is fixed on the described casing, and it is provided with retracing spring and shift fork;
The bipod of described shift fork snaps in the peripheral groove of described synchronous interface tooth;
Described shift fork top is provided with notch;
One end of described gearshift post inserts in the groove at shift fork top, and the other end stretches out outside the casing, connects described torque arm.
From above-mentioned technical scheme as can be seen, in the embodiment of the invention when power is input to input shaft, input shaft by the output gear on it with transmission of power to the three gears, the 3rd gear arrives castellated shaft with transmission of power, by the moving vertically of synchronous interface tooth on the castellated shaft power is passed to first driving gear or second driving gear respectively, first driving gear or second driving gear are given high speed driven gear inner rotary member or low speed driven gear with transmission of power.Because a mafor planet gear is installed in the high speed driven gear inner rotary member, another mafor planet gear is installed in the low speed driven gear, two semiaxis are set in two mafor planet gears, two small planetary gears are separately fixed between two mafor planet gears, and with two mafor planet gear engagements, so when transmission of power arrives high speed driven gear inner rotary member or low speed driven gear, just can drive the mafor planet gear that is arranged on high speed driven gear inner rotary member or low speed driven gear inner ring rotates, because two small planetary gears and two mafor planet gear engagements are rotated simultaneously thereby drive two semiaxis.
The present invention dwindles inner space and oad greatly by high speed driven gear and inner rotary member are made whole steel part structure, alleviates own wt greatly, and consumption economizes on resources; Increase super slow block, make mountain region heavy duty moving velocity slower safer; Increase top gear and make Plain deadhead operation speed faster, the condition of creating more economic benefits is provided to the user.Thereby can be implemented in high speed, heavy duty on the level land, intersected country low speed, heavy duty, low speed, heavily stressed function on the mountain region.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The double speed drive rear axle transmission structural representation that Fig. 1 provides for the embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The invention discloses a kind of double speed drive rear axle transmission, on the level land, to realize high speed, underloading realizing low speed, heavily stressed function on the mountain region.
See also Fig. 1, the double speed drive rear axle transmission structural representation that Fig. 1 provides for the embodiment of the invention.
Wherein, 1 is semiaxis, and 2 is casing, and 3 is high speed driven gear inner rotary member, 4 is castellated shaft, and 5 is Box Cover, and 6 is first driving gear, 7 is initiative taper tooth angle gear shaft holder, and 8 is input shaft, and 9 is shift fork, 10 is second driving gear, and 11 is the 3rd gear, and 12 is the synchronous interface tooth, 13 is the low speed driven gear, and 14 is semiaxis, and 15 is small planetary gear, 16 is mafor planet gear, and 17 is small planetary gear, and 18 is mafor planet gear.
Double speed drive rear axle transmission provided by the invention comprises: high speed driven gear inner rotary member 3, low speed driven gear 13, first driving gear 6, second driving gear 10, synchronous interface tooth 12, castellated shaft 4, input shaft 8, small planetary gear 15, mafor planet gear 16, small planetary gear 17, mafor planet gear 18, semiaxis 1 and semiaxis 14;
Described mafor planet gear 18 is installed in the high speed driven gear inner rotary member 3, and this high speed driven gear inner rotary member 3 is the ladder tubular structure, and its outer ring is provided with the gear teeth;
Semiaxis 1 is installed in the mafor planet gear 18, and mafor planet gear 16 is installed in the low speed driven gear 13, and semiaxis 14 is installed in the mafor planet gear 16;
Described small planetary gear 15 and small planetary gear 17 are separately fixed between mafor planet gear 16 and the mafor planet gear 18, and mesh with mafor planet gear 16 and mafor planet gear 18;
Described first driving gear 6 and second driving gear 10 all are sleeved on the described castellated shaft 4;
Described synchronous interface tooth 12 is sleeved on the described castellated shaft 4, and is arranged between described first driving gear 6 and second driving gear 10;
Described input shaft 8 is provided with output gear, also is provided with the 3rd gear 11 on the described castellated shaft 4, and output gear on the described input shaft 8 and described the 3rd gear 11 constant-meshes;
Described first driving gear 6 and described high speed driven gear inner rotary member 3 constant-meshes;
Described second driving gear 10 and described low speed driven gear 13 constant-meshes;
Described synchronous interface tooth 12 can move axially along described castellated shaft 4, with first driving gear 6 or 10 engagements of second driving gear, and can drive first driving gear 6 or 10 rotations of second driving gear.
Described initiative taper tooth angle gear shaft holder 7 makes gear of output end and 11 engagements of described the 3rd gear on the input shaft 8, forms the power input.The casing middle part is provided with the circular flange dish and can mates with existing regular three-wheeled motor axle shell formula back axle flange.
Wherein, second driving gear 10 and first driving gear, 6 endoporus, one end are provided with internal tooth, described synchronous interface tooth 12 outer rings are provided with the external tooth that is meshed with described first driving gear 6 and second driving gear, 10 internal tooths, and inner ring is and the suitable circular hole of described castellated shaft 4 external diameters.Thereby, no impulsive force quick with 12 formation of synchronous interface tooth combines, and the energy transmission is more high-power.
In sum, in the embodiment of the invention when power is input to input shaft 8, input shaft 8 by the output gear on it with transmission of power to the three gears 11, the 3rd gear 11 arrives castellated shaft 4 with transmission of power, by the moving vertically of synchronous interface tooth 12 on the castellated shaft 4 power is passed to first driving gear 6 or second driving gear 10 respectively, first driving gear 6 or second driving gear 10 are given high speed driven gear inner rotary member 3 or low speed driven gear 13 with transmission of power, because mafor planet gear 18 is installed in the high speed driven gear inner rotary member 3, another mafor planet gear 16 is installed in the low speed driven gear 13, semiaxis 1 is installed in the mafor planet gear 18, semiaxis 14 is installed in the mafor planet gear 16, two small planetary gears are separately fixed between two mafor planet gears, and with two mafor planet gear engagements, so when transmission of power arrives high speed driven gear inner rotary member 3 or low speed driven gear 13, just can drive the mafor planet gear that is arranged on high speed driven gear inner rotary member 13 or low speed driven gear 3 inner rings rotates, because two small planetary gears and two mafor planet gear engagements are rotated simultaneously thereby drive two semiaxis.
The present invention is by being made as output shaft two semiaxis, and these two semiaxis are coupled together by a planet circular system, reduced the length of axle, thereby improved the torsional strength of axle, needn't worry when high speed, makes the output shaft damage owing to speed is too high; Also needn't worry when heavy duty, to damage output shaft owing to load is excessive, thereby can be implemented in high speed, underloading on the level land, low speed, heavily stressed function on the mountain region.
Further in order to optimize technique scheme, wherein first driving gear 6 and described high speed driven gear inner rotary member 3 are spur gear;
Described second driving gear 10 and described low speed driven gear 13 are helical wheel.
Output gear on the described input shaft 8 and described the 3rd gear 11 are finishing bevel gear cuter.
Input shaft 8 usefulness bearing installations are in initiative taper tooth angle gear shaft holder 7, and initiative taper tooth angle gear shaft holder 7 is fastened on Box Cover 5 front ends, output gear on the input shaft 8 (preferred input shaft 8 is a gear wheel shaft) and 11 engagements of the 3rd gear.Castellated shaft 4 two ends are connected in the casing with bearing, and first driving gear 6 and second driving gear 10 are sleeved on the castellated shaft 4, and are spacing with axle card and pad, can do rotating freely, and do not axially move.First driving gear 6 and second driving gear, 10 1 end face endoporus are processed with internal tooth, synchronous interface tooth 12 is installed in the middle of two gears, synchronous interface tooth 12 endoporus are female spliness, cooperate coaxial rotation with castellated shaft, can do axial side-to-side movement, the internal gearing of outer ring and first driving gear 6 and second driving gear 10, the 3rd gear 11 endoporus are female spliness, cooperate with castellated shaft 4, be installed between the bearing and second driving gear 10 castellated shaft 4 and the 11 synchronous coaxial rotations of the 3rd gear.Declutch shift shaft be fixed by bolts to casing in, on the axle retracing spring and shift fork 9 are housed, shift fork 9 bipods snap in the peripheral groove of synchronous interface tooth 12, and stage clip elastic force is passed shift fork 9, synchronous interface tooth 12 thereupon with first driving gear, 6 internal gearings, make it and castellated shaft 4 synchronous coaxial rotations.First driving gear 6 and driven spur gear inner rotary member 3 engagements of high speed, takeoff output is for becoming top gear, and second driving gear 10 meshes with the driven helical wheel 13 of low speed, and takeoff output is the Ultra-Low Speed retaining.Notch is arranged at shift fork 9 tops, and in the end insertion groove of gearshift post, an end stretches out outside the casing, connects torque arm, mobile torque arm, and synchronous interface tooth 12 withdraws from from first driving gear, 6 internal tooths, with second driving gear, 10 internal gearings, forms another gear.
In sum, the present invention dwindles inner space and oad greatly by high speed driven gear and inner rotary member are made whole steel part structure, alleviates own wt greatly, and consumption economizes on resources; Increase super slow block, make mountain region heavy duty moving velocity slower safer; Increase top gear and make Plain deadhead operation speed faster, the condition of creating more economic benefits is provided to the user.Thereby can be implemented in high speed, heavy duty on the level land, intersected country low speed, heavy duty, low speed, heavily stressed function on the mountain region.
Each embodiment adopts the mode of going forward one by one to describe in this specification sheets, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. double speed drive rear axle transmission, it is characterized in that, comprising: casing, high speed driven gear inner rotary member, low speed driven gear, first driving gear, second driving gear, synchronous interface tooth, castellated shaft, input shaft, two mafor planet gears, two small planetary gears and two semiaxis;
Described high speed driven gear inner rotary member is the ladder tubular structure, and its outer ring is provided with the gear teeth;
One of them mafor planet gear is installed in the high speed driven gear inner rotary member, another mafor planet gear is installed in the low speed driven gear, two semiaxis are set in two mafor planet gears, two small planetary gears are separately fixed between two mafor planet gears, and mesh with two mafor planet gears;
Described first driving gear and second driving gear all are sleeved on the described castellated shaft;
Described synchronous interface tooth is sleeved on the described castellated shaft, and is arranged between described first driving gear and second driving gear;
Described input shaft is provided with output gear, also is provided with the 3rd gear on the described castellated shaft, and output gear on the described input shaft and described the 3rd gear constant-mesh;
Described first driving gear and described high speed driven gear inner rotary member constant-mesh;
Described second driving gear and described low speed driven gear constant-mesh;
Described synchronous interface tooth can move axially along described castellated shaft, and can drive first driving gear and the rotation of second driving gear;
Described two semiaxis, castellated shaft and input shafts are all by described case supports;
Described high speed driven gear inner rotary member is whole steel part structure.
2. double speed drive rear axle transmission as claimed in claim 1 is characterized in that,
Described synchronous interface tooth inner ring is and the suitable inner spline gear of described castellated shaft;
Described first driving gear and the second driving gear inner ring, one end are provided with internal tooth;
Described synchronous interface tooth outer ring is provided with the gear teeth that are meshed with described first driving gear and the second driving gear internal tooth.
3. double speed drive rear axle transmission as claimed in claim 2 is characterized in that, described first driving gear and described high speed driven gear are spur gear;
Described second driving gear and described low speed driven gear are helical wheel.
4. double speed drive rear axle transmission as claimed in claim 3 is characterized in that, output gear on the described input shaft and described the 3rd gear are finishing bevel gear cuter.
5. double speed drive rear axle transmission as claimed in claim 1 is characterized in that, described casing middle part is provided with the circular flange dish.
6. double speed drive rear axle transmission as claimed in claim 5 is characterized in that, described flange can mate with existing regular three-wheeled motor axle shell formula back axle.
7. double speed drive rear axle transmission as claimed in claim 1 is characterized in that, also comprises declutch shift shaft, gearshift post and torque arm;
Described declutch shift shaft is fixed on the described casing, and it is provided with retracing spring and shift fork;
The bipod of described shift fork snaps in the peripheral groove of described synchronous interface tooth;
Described shift fork top is provided with notch;
One end of described gearshift post inserts in the groove at shift fork top, and the other end stretches out outside the casing, connects described torque arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010042081A CN101734341A (en) | 2010-01-13 | 2010-01-13 | Double speed drive rear axle transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010042081A CN101734341A (en) | 2010-01-13 | 2010-01-13 | Double speed drive rear axle transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101734341A true CN101734341A (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010042081A Pending CN101734341A (en) | 2010-01-13 | 2010-01-13 | Double speed drive rear axle transmission |
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| Country | Link |
|---|---|
| CN (1) | CN101734341A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775592A (en) * | 2012-10-24 | 2014-05-07 | 张家港市九鼎机械有限公司 | Vehicle speed changing device |
| CN103807423A (en) * | 2014-03-01 | 2014-05-21 | 姜国清 | Electric automatic-gear-shifting tricycle or quadricycle precursor shifting device |
-
2010
- 2010-01-13 CN CN201010042081A patent/CN101734341A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775592A (en) * | 2012-10-24 | 2014-05-07 | 张家港市九鼎机械有限公司 | Vehicle speed changing device |
| CN103807423A (en) * | 2014-03-01 | 2014-05-21 | 姜国清 | Electric automatic-gear-shifting tricycle or quadricycle precursor shifting device |
| CN103807423B (en) * | 2014-03-01 | 2016-10-05 | 姜国清 | The tricycle of electric automatic shift or carriage forerunner's selector |
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Application publication date: 20100616 |