CN207161634U - Low noise mechanical transmission - Google Patents
Low noise mechanical transmission Download PDFInfo
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- CN207161634U CN207161634U CN201721016863.3U CN201721016863U CN207161634U CN 207161634 U CN207161634 U CN 207161634U CN 201721016863 U CN201721016863 U CN 201721016863U CN 207161634 U CN207161634 U CN 207161634U
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Abstract
The utility model proposes low noise mechanical transmission, including housing, power input shaft, jackshaft, power output shaft by bearings in housing, jackshaft is two, is symmetricly set on the both sides of power output shaft；Power output shaft is provided with mid-ambles device and ensures the power connector on jackshaft or disconnection；Six grades, seven grades of outputs six grades, seven grades of conversion passing powers are realized by top grade output synchronizer directly on power output shaft, when six grades, seven grades of disengagings, one to five grade of work, six grades, seven grades without drive noise；The method that the utility model is worked respectively by high and low shelves, eliminate the operating of other shifting gears caused by noise, improve service life；And be arranged symmetrically using two jackshafts, stable drive is good, with small vibration, one grade slowed down by primary cylinder gear, secondary planetary gear slows down, the utility model top gear can be completed and meet high-speed requirement, and one grade meets the needs of speed≤2.5km/h.
Description
Technical field
Wheeled vehicle mechanical transmission is the utility model is related to, is especially matched with the transfer gear of all-wheel drive vehicles low
Noise mechanical transmission.
Background technology
The mechanical transmission that current wheeled vehicle uses, in high gear all gears all in rotary work,
Form idle work energy consumption and abrasion, noise are big.
The content of the invention
In order that the wheeled rolling stock tool speed changer gear unrelated with high tap position power train in high tap position does not work, reduce
Energy consumption and noise, service life is improved, the utility model proposes low noise mechanical transmission.
The technical solution of the utility model is：Low noise mechanical transmission, including it is housing, power input shaft, jackshaft, dynamic
Power output shaft, power input shaft, jackshaft, power output shaft are by bearings in housing, it is characterised in that：Jackshaft is
Two, it is symmetricly set on the both sides of power output shaft；
Be connected the first driving gear on power input shaft, the first driven gear is set with power output shaft, first actively
Gear often engages with the first driven gear；Jackshaft drive pinion is set with power output shaft, centre is connected with jackshaft
Axle driven gear；Mid-ambles device is provided between jackshaft drive pinion and the first driven gear, mid-ambles device empty set is dynamic
On power output shaft；
First driven gear also serves as six grades of output gears, and power output shaft is provided with high-grade output synchronizer, top grade output
Synchronizer is engaged with six grades of output gears, realizes six grades of outputs；Seven grades of driven gears are also set with power output shaft, power is defeated
Enter and the second driving gear is fixed with axle, the second driving gear often engages with seven grades of driven gears, top grade output synchronizer and seven
Shelves driven gear occlusion, realizes seven grades of outputs；
Five grades of driving gears, fourth gear driving gear, third speed drive gear, two grades of actives are fixed with two jackshafts successively
Gear, one grade of driving gear, the stepped gear that reverses gear is set with two jackshafts；It is passive that fourth gear is correspondingly set with power output shaft
Gear, third gear driven gear, two grades of driven gears, one grade of driven gear, reverse gear stepped gear；Five grades of driving gears, fourth gear are actively
It is provided between gear between four Five-gear synchronizers, third speed drive gear, two grades of driving gears and is provided with two third gear synchronizers；
One grade of output gear, planetary cylindrical gear reduction unit, reverse output gear, one grade of quilt are set with power output shaft
Moving gear is engaged with the sun gear of planetary cylindrical gear reduction unit, the planet of one grade of output gear and planetary cylindrical gear reduction unit
Frame is affixed, and one grade of output gear is often engaged by idle wheel with the stepped gear that reverses gear, and the stepped gear that reverses gear often is nibbled with reverse output gear again
Close；One grade is provided with one grade and reversing-gear synchronizer between output gear and reverse output gear；
When middle synchronizer and jackshaft drive pinion disengage, jackshaft does not have power input, does not rotate；When high-grade defeated
Go out synchronizer to be engaged with the first driven gear, realize six grades of outputs；It is engaged when top grade exports synchronizer with the second driven gear, it is real
Existing seven grades of output.
Beneficial effect：The method that the utility model is worked respectively by high and low shelves, eliminate other shifting gear operating productions
Raw noise, improves service life；When top grade output synchronizer work realizes six grades（It is high-grade）Output, two jackshafts are not
Rotate, only power output shaft rotates alone, eliminates noise caused by other shifting gear operatings；When six grades, seven grades take off
From, one to five grade of work, six grades, seven grades without drive noise；And it is arranged symmetrically using two jackshafts, stable drive is good, shakes
Dynamic small, one grade is slowed down by primary cylinder gear, secondary planetary gear, can be completed the utility model top gear and be met high speed need
Ask, and one grade meets the needs of speed≤2.5km/h.
Brief description of the drawings
Fig. 1 is main structure figure of the present utility model.
Fig. 2 is along A-A sectional views in Fig. 1.
Fig. 3 is along B-B profiles in Fig. 2.
Fig. 4 is front view structure sketch of the present utility model.（It is corresponding with Fig. 1）
Fig. 5 is along A-A diagrammatic cross-sectional views in Fig. 1 of the present utility model（It is corresponding with Fig. 2）.
Embodiment
With reference to shown in Fig. 1-Fig. 5, it is as follows to further describe the utility model：Low noise mechanical transmission, including housing 1,
Power input shaft 2, jackshaft 13, power output shaft 3, power input shaft 2, jackshaft 13, power output shaft pass through bearings
In housing, jackshaft 13 is two, is symmetricly set on the both sides of power output shaft 3；
Be connected the first driving gear 4 on power input shaft, and the first driven gear 8, the first master are set with power output shaft
Moving gear 4 often engages with the first driven gear 8；It is set with jackshaft drive pinion 10 on power output shaft, it is affixed on jackshaft
There is jackshaft driven gear 11；Mid-ambles device 9 is provided between the driven gear 11 of jackshaft drive pinion 10 and first, it is middle same
The empty set of device 9 is walked on power output shaft 3；
First driven gear 8 also serves as six grades of output gears, and 3 are provided with high-grade output synchronizer 7 on power output shaft, high-grade defeated
Go out synchronizer 7 to be engaged with six grades of output gears, realize six grades of outputs；Seven grades of driven gears 6 are also set with power output shaft 3,
The second driving gear 5 is fixed with power input shaft, the second driving gear 5 often engages with seven grades of driven gears 8, and top grade output is same
Step device 7 is engaged with seven grades of driven gears 8, realizes seven grades of outputs；
Five grades of driving gears 12, fourth gear driving gear 14, third speed drive gear 15, two are fixed with two jackshafts successively
Shelves 16, one grades of driving gears 17 of driving gear, are set with the stepped gear 18 that reverses gear on two jackshafts；It is corresponding on power output shaft 3
It is set with fourth gear driven gear, third gear driven gear, two grades of driven gears, one grade of driven gear, reverse gear stepped gear；Five grades of actives
It is provided between gear, fourth gear driving gear between four Five-gear synchronizers 24, third speed drive gear, two grades of driving gears and is provided with two or three
Shelves synchronizer 23；
One grade of output gear, planetary cylindrical gear reduction unit, reverse output gear, one grade of quilt are set with power output shaft
Moving gear 22 is engaged with the sun gear of planetary cylindrical gear reduction unit 21, one grade of output gear and planetary cylindrical gear reduction unit 21
Planet carrier it is affixed, one grade of output gear 25 is often engaged by idle wheel with the stepped gear 18 that reverses gear, reverse gear stepped gear 18 again with reversing gear
Output gear 19 often engages；One grade is provided with one grade and reversing-gear synchronizer 20 between output gear and reverse output gear；
When middle synchronizer 9 and jackshaft drive pinion 10 disengage, jackshaft 13 inputs without power, does not rotate；When
Top grade output synchronizer 7 is engaged with the first driven gear 8, realizes six grades of outputs；When top grade exports the passive tooth of synchronizer 7 and second
The occlusion of wheel 6, realizes seven grades of outputs.
As shown in figure 3, planetary cylindrical gear reduction unit 21 is existing conventional techniques, including external toothing 21-1, planet carrier 21-
2nd, planetary cylindrical gear 21-3, sun gear 21-4.
Claims (1)
1. low noise mechanical transmission, including housing, power input shaft, jackshaft, power output shaft, power input shaft, centre
Axle, power output shaft are by bearings in housing, it is characterised in that：Jackshaft is two, is symmetricly set on power output
The both sides of axle；
Be connected the first driving gear on power input shaft, and the first driven gear, the first driving gear are set with power output shaft
Often engaged with the first driven gear；Jackshaft drive pinion is set with power output shaft, jackshaft quilt is connected with jackshaft
Moving gear；Mid-ambles device is provided between jackshaft drive pinion and the first driven gear, mid-ambles device empty set is defeated in power
On shaft；
First driven gear also serves as six grades of output gears, and power output shaft is provided with high-grade output synchronizer, and top grade output is synchronous
Device is engaged with six grades of output gears, realizes six grades of outputs；Seven grades of driven gears, power input shaft are also set with power output shaft
On be fixed with the second driving gear, the second driving gear often engages with seven grades of driven gears, top grade output synchronizer and seven grades of quilts
Moving gear is engaged, and realizes seven grades of outputs；
Five grades of driving gears, fourth gear driving gear, third speed drive gear, two grades of driving tooths are fixed with two jackshafts successively
Take turns, one grade of driving gear, the stepped gear that reverses gear is set with two jackshafts；Fourth gear passive tooth is correspondingly set with power output shaft
Wheel, third gear driven gear, two grades of driven gears, one grade of driven gear, reverse gear stepped gear；Five grades of driving gears, fourth gear driving tooth
It is provided between wheel between four Five-gear synchronizers, third speed drive gear, two grades of driving gears and is provided with two third gear synchronizers；
One grade of output gear, planetary cylindrical gear reduction unit, reverse output gear, one grade of passive tooth are set with power output shaft
Wheel is engaged with the sun gear of planetary cylindrical gear reduction unit, and the planet carrier of one grade of output gear and planetary cylindrical gear reduction unit is consolidated
Connect, one grade of output gear is often engaged by idle wheel with the stepped gear that reverses gear, and the stepped gear that reverses gear often engages with reverse output gear again；One
One grade and reversing-gear synchronizer are provided between shelves output gear and reverse output gear；
When middle synchronizer and jackshaft drive pinion disengage, jackshaft does not have power input, and jackshaft does not rotate；Work as top grade
Output synchronizer is engaged with the first driven gear, realizes six grades of outputs；It is engaged when top grade exports synchronizer with the second driven gear,
Realize seven grades of outputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721016863.3U CN207161634U (en) | 2017-08-15 | 2017-08-15 | Low noise mechanical transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721016863.3U CN207161634U (en) | 2017-08-15 | 2017-08-15 | Low noise mechanical transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161634U true CN207161634U (en) | 2018-03-30 |
Family
ID=61717263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721016863.3U Active CN207161634U (en) | 2017-08-15 | 2017-08-15 | Low noise mechanical transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420497A (en) * | 2017-08-15 | 2017-12-01 | 十堰戎马汽车特种传动有限公司 | Low noise mechanical transmission |
-
2017
- 2017-08-15 CN CN201721016863.3U patent/CN207161634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420497A (en) * | 2017-08-15 | 2017-12-01 | 十堰戎马汽车特种传动有限公司 | Low noise mechanical transmission |
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