CN201604777U - Two-speed driving rear axle transmission - Google Patents
Two-speed driving rear axle transmission Download PDFInfo
- Publication number
- CN201604777U CN201604777U CN2010201147195U CN201020114719U CN201604777U CN 201604777 U CN201604777 U CN 201604777U CN 2010201147195 U CN2010201147195 U CN 2010201147195U CN 201020114719 U CN201020114719 U CN 201020114719U CN 201604777 U CN201604777 U CN 201604777U
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- China
- Prior art keywords
- gear
- driving gear
- synchronous interface
- interface ring
- driving
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- Expired - Fee Related
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Abstract
An embodiment of the utility model discloses a two-speed riving rear axle transmission. A first driving gear and a second driving gear are both sleeved on a spline shaft but do not rotate along with the spline shaft, an inner gear of a synchronous clutch ring is sleeved onto the spline shaft and can rotate along with the spline shaft in the same direction, an outer gear of the synchronous clutch ring is sleeved onto the inner gear of the synchronous clutch ring, rotates along with the inner gear in the same direction, can axially move along the inner gear and is meshed with a second stepped gear of the first driving gear or the second driving gear, and a high-speed driven gear and an inner rotator body are made into an integral steel structure, thereby greatly reducing interior space and appearance size and greatly lightening self weight. The two-speed driving rear axle transmission stably transmits power of the spline shaft to the first driving gear or the second driving gear through a synchronous clutch ring combination, is added with an ultra-slow-speed gear so as to lead heavy-load running speed at mountains to be slower and safer, is added with a high-speed gear so as to lead speed of plain no-load running to be faster, and then provides conditions for users to create more economic benefit.
Description
Technical field
The utility model relates to the vehicular transmission technical field, more particularly, relates 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 used for deceleration force amplifier, another gear is used for the conversion of Chang Su, does not have high-speed functions, so can't realize fast running on the level land.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, makes when landform such as hills, mountain region are travelled dangerous.Can't run at high speed when making motor tricycle reach normal underloading, be unable to lift speed during empty wagons, 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.
The utility model content
In view of this, the utility model provides a kind of double speed drive rear axle transmission, makes motor tricycle can run at high speed during underloading on the level land, can travel by Ultra-Low Speed during heavy duty on the mountain region.
For achieving the above object, the utility model 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, the combination of synchronous interface ring, 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, and described first driving gear and second driving gear are equipped with the second rank external gear;
Described input shaft is provided with output gear, is fixed 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 synchronous interface ring combination is arranged between described first driving gear and second driving gear, wherein, described synchronous interface ring combination comprises synchronous interface ring inner gear and synchronous interface ring external gear, described synchronous interface ring inner gear is integral type with described castellated shaft or captives joint, described synchronous interface ring external gear is captiveed joint with described synchronous interface ring inner gear, and can on described synchronous interface ring inner gear, axially move, described synchronous interface ring external gear can mesh with the second rank external gear of described first driving gear, second rank external tooth or described second driving gear.
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 two semiaxis, castellated shaft and input shafts are all by described case supports.
Preferably, described high speed driven gear inner rotary member is whole steel part structure.
Preferably, described synchronous interface ring inner gear inner ring is and the suitable inner spline gear of described castellated shaft;
The external tooth that described synchronous interface ring inner gear outer ring is meshed for the inner ring gear with described synchronous interface ring external gear;
The inner ring of described synchronous interface ring external gear is provided with the internal tooth that is meshed with described first driving gear, second rank external gear and second driving gear, the second rank external gear;
One side of described synchronous interface ring external gear is provided with peripheral groove.
Preferably, 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, output gear on the described input shaft and described the 3rd gear are finishing bevel gear cuter.
Preferably, be provided with the circular flange dish in the middle part of the described casing.
Preferably, described flange can mate with existing regular three-wheeled motor axle shell formula back axle.
Preferably, also comprise 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 ring external gear;
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, among the utility model embodiment 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, be delivered to synchronous interface ring external gear by synchronous interface ring inner gear on the castellated shaft, synchronous interface ring external gear moving axially along synchronous interface ring inner gear, make synchronous interface ring external gear to be meshed with second rank external gear of first driving gear or the second rank external gear of second driving gear respectively, therefore can give first driving gear or second driving gear with transmission of power, 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 again.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 utility model 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; Use the synchronous interface ring, make gear shift operation convenient and swift; Because the bearing capacity of two semiaxis increases than the bearing capacity of an axle of prior art, can realize when making unit design surpassing at a slow speed, when making the mountain region heavy duty, moving velocity is slower safer; In like manner, can improve the speed of top gear when making unit design, make Plain deadhead operation speed faster, the condition of creating more economic benefits is provided to the user because the bearing capacity of semiaxis increases.Thereby can be implemented in underloading high speed on the level land, intersected country heavy-duty low-speed, the function of heavy-duty low-speed on the mountain region.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment 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 embodiment more of the present utility model, 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 utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of double speed drive rear axle transmission,, realize the function of heavy-duty low-speed on the mountain region and the hills on the level land, to realize underloading at a high speed.
See also Fig. 1, the double speed drive rear axle transmission structural representation that Fig. 1 provides for the utility model embodiment.
Wherein, 1 is semiaxis, and 2 is casing, 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, 8 is initiative taper tooth angle gear input shaft, and 9 is shift fork, and 10 is synchronous interface ring external gear, 11 is synchronous interface ring inner gear, 12 is second driving gear, and 13 is the 3rd gear, and 14 is the low speed driven gear, 15 is small planetary gear, 16 is semiaxis, and 17 is mafor planet gear, and 18 is small planetary gear, 19 is mafor planet gear, and 20 is rear axle case.Wherein, the combination of synchronous interface ring comprises synchronous interface ring external gear 10 and synchronous interface ring inner gear 11.
The double speed drive rear axle transmission that the utility model provides comprises: high speed driven gear inner rotary member 3, low speed driven gear 14, first driving gear, 6, the second driving gears 12, synchronous interface ring external gear 10, synchronous interface ring inner gear 11, castellated shaft 4, initiative taper tooth angle gear input shaft 8, small planetary gear 15, mafor planet gear 17, small planetary gear 18, mafor planet gear 19, semiaxis 1 and semiaxis 16;
Described mafor planet gear 19 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 19, and mafor planet gear 17 is installed in the low speed driven gear 14, and semiaxis 16 is installed in the mafor planet gear 17;
Described small planetary gear 15 and small planetary gear 18 are separately fixed between mafor planet gear 17 and the mafor planet gear 19, and mesh with mafor planet gear 17 and mafor planet gear 19;
Described first driving gear 6 and second driving gear 12 all are sleeved on the described castellated shaft 4, but not with castellated shaft 4 rotation, and described first driving gear 6 and second driving gear 12 are equipped with the second rank external gear;
Described initiative taper tooth angle gear input shaft 8 is provided with output gear, and described the 3rd gear 13 is packed on the castellated shaft 4, and output gear on the described initiative taper tooth angle gear input shaft 8 and described the 3rd gear 13 constant-meshes;
Described synchronous interface ring inner gear 11 is fixedly mounted on the described castellated shaft 4, and be arranged between described first driving gear 6 and second driving gear 12, it will be appreciated by those skilled in the art that, synchronous interface ring inner gear and castellated shaft can be made as integral structure, also can be captive joint formula structure, as adopt key to connect, as long as can make the described synchronous interface ring inner gear can be, and adopt form in the present embodiment at the suitable inner spline gear of the inner ring setting of synchronous interface ring inner gear 11 and described castellated shaft 4 with the coaxial equidirectional rotation of castellated shaft;
Described synchronous interface ring external gear 10 is captiveed joint with described synchronous interface ring inner gear 11, drive 10 rotations of synchronous interface ring external gear by described synchronous interface ring inner gear 11, synchronous interface ring external gear 10 moving vertically is meshed with second rank gear of first driving gear 6 or the second rank gear of second driving gear 12 respectively, power is passed to first driving gear 6 or second driving gear 12 respectively, described initiative taper tooth angle gear shaft holder 7 is used for fixing input shaft 8, make gear of output end and 13 engagements of described the 3rd gear on the input shaft 8, form the power input.
Wherein, the inner ring of described synchronous interface ring external gear 10 is provided with the internal tooth that is meshed with the second rank gear of the second rank gear of first driving gear or second driving gear, the outer ring of described synchronous interface ring inner gear 11 is provided with the external tooth that the inner ring gear with described synchronous interface ring external gear 10 is meshed, thereby make synchronous interface ring external gear 10 and synchronous interface ring inner gear 11 form quick, no impulsive force combination, and can transmit more high-power.
Described first driving gear 6 and described high speed driven gear inner rotary member 3 constant-meshes;
Described second driving gear 12 and described low speed driven gear 14 constant-meshes;
Described semiaxis 1 and semiaxis 16, castellated shaft 4 and input shaft 8 all support by described casing 2, and the middle part of casing 2 is provided with the circular flange dish and can mates with existing regular three-wheeled motor axle shell formula back axle flange.
In sum, among the utility model embodiment 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 13, the 3rd gear 13 arrives castellated shaft 4 with transmission of power, be delivered to synchronous interface ring external gear 10 by synchronous interface ring inner gear 11 on the castellated shaft 4, synchronous interface ring external gear 10 moving vertically given first driving gear 6 or second driving gear 12 with transmission of power, first driving gear 6 or second driving gear 12 are given high speed driven gear inner rotary member 3 or low speed driven gear 14 with transmission of power, because mafor planet gear 19 is installed in the high speed driven gear inner rotary member 3, another mafor planet gear 17 is installed in the low speed driven gear 14, semiaxis 1 is installed in the mafor planet gear 19, semiaxis 16 is installed in the mafor planet gear 17, 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 3 or low speed driven gear 14 inner rings rotates, because two small planetary gears and two mafor planet gear engagements are rotated simultaneously thereby drive two semiaxis.
The utility model is made as two semiaxis with output shaft, and these two semiaxis are coupled together by a planet circular system, has reduced the length of axle, improved the bearing capacity of output shaft, and then improved the single-piece torsional strength, and needn't worry when high speed, make output shaft damage owing to speed is too high; Also needn't worry when low-speed heave-load, to damage output shaft owing to load is excessive.In addition, also be because the torsional strength and the bearing capacity of output shaft increased, make that can to make the speed of top gear when unit design faster, slow block speed is slower, thereby can be implemented on the level land underloading at a high speed, the function of heavy-duty low-speed on the mountain region.
Another embodiment of the utility model has further optimized technique scheme, and wherein said high speed driven gear inner rotary member 3 is whole steel part structure, and first driving gear 6 and described high speed driven gear inner rotary member 3 are spur gear;
Described second driving gear 12 and described low speed driven gear 14 are helical wheel.
Output gear on the described input shaft 8 and described the 3rd gear 11 are finishing bevel gear cuter.
Declutch shift shaft is fixed by bolts in the casing, on the axle retracing spring and shift fork 9 are housed, shift fork 9 bipods snap in the peripheral groove of synchronous interface ring external gear 10, stage clip elastic force is passed shift fork 9, synchronous interface ring external gear 10 thereupon with the second rank external tooth engagement of first driving gear 6, 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; Second driving gear 12 and driven helical wheel 14 engagements of low speed, 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, connect torque arm, mobile torque arm, synchronous interface ring external gear 10 withdraws from from first driving gear, 6 second rank external tooths, with the 12 second rank external tooth engagements of second driving gear, form another gear.
In sum, the utility model 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 utility model.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 spirit or scope of the present utility model in other embodiments.Therefore, the utility model 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 (8)
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, the combination of synchronous interface ring, 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;
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 mesh with two mafor planet gears; Described first driving gear and second driving gear all are sleeved on the described castellated shaft, and described first driving gear and second driving gear are equipped with the second rank external gear;
Described input shaft is provided with output gear, is fixed 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 synchronous interface ring combination is arranged between described first driving gear and second driving gear, wherein, described synchronous interface ring combination comprises synchronous interface ring inner gear and synchronous interface ring external gear, described synchronous interface ring inner gear is integral structure with described castellated shaft or captives joint, described synchronous interface ring external gear is captiveed joint with described synchronous interface ring inner gear, and can on described synchronous interface ring inner gear, axially move, described synchronous interface ring external gear can mesh with the second rank external gear of described first driving gear, second rank external tooth or described second driving gear.
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 two semiaxis, castellated shaft and input shafts are all by described case supports.
2. double speed drive rear axle transmission as claimed in claim 1 is characterized in that, described high speed driven gear inner rotary member is whole steel part structure.
3. double speed drive rear axle transmission as claimed in claim 1 is characterized in that,
Described synchronous interface ring inner gear inner ring is provided with and the suitable inner spline gear of described castellated shaft;
Described synchronous interface ring inner gear outer ring is provided with the external tooth that the inner ring gear with described synchronous interface ring external gear is meshed;
The inner ring of described synchronous interface ring external gear is provided with the internal tooth that is meshed with described first driving gear, second rank external gear and second driving gear, the second rank external gear;
One side of described synchronous interface ring external gear is provided with peripheral groove.
4. double speed drive rear axle transmission as claimed in claim 3 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.
5. double speed drive rear axle transmission as claimed in claim 4 is characterized in that, output gear on the described input shaft and described the 3rd gear are finishing bevel gear cuter.
6. 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.
7. double speed drive rear axle transmission as claimed in claim 6 is characterized in that, described flange can mate with existing regular three-wheeled motor axle shell formula back axle.
8. double speed drive rear axle transmission as claimed in claim 3 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 ring external gear;
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 |
|---|---|---|---|
| CN2010201147195U CN201604777U (en) | 2010-02-09 | 2010-02-09 | Two-speed driving rear axle transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201147195U CN201604777U (en) | 2010-02-09 | 2010-02-09 | Two-speed driving rear axle transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201604777U true CN201604777U (en) | 2010-10-13 |
Family
ID=42949485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201147195U Expired - Fee Related CN201604777U (en) | 2010-02-09 | 2010-02-09 | Two-speed driving rear axle transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201604777U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234009A (en) * | 2013-05-15 | 2013-08-07 | 南京金腾重载齿轮箱有限公司 | Gear speed reducer for combined type copper pipe coil drawing machine |
| CN106838147A (en) * | 2016-08-16 | 2017-06-13 | 易体尔株式会社 | Single shaft double speed drive system |
| CN110481700A (en) * | 2019-08-04 | 2019-11-22 | 夏元峰 | Internal tooth wheel speed |
-
2010
- 2010-02-09 CN CN2010201147195U patent/CN201604777U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234009A (en) * | 2013-05-15 | 2013-08-07 | 南京金腾重载齿轮箱有限公司 | Gear speed reducer for combined type copper pipe coil drawing machine |
| CN106838147A (en) * | 2016-08-16 | 2017-06-13 | 易体尔株式会社 | Single shaft double speed drive system |
| CN110481700A (en) * | 2019-08-04 | 2019-11-22 | 夏元峰 | Internal tooth wheel speed |
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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 |
Granted publication date: 20101013 Termination date: 20150209 |
|
| EXPY | Termination of patent right or utility model |