CN101709766B - Gear box for snowmobile - Google Patents
Gear box for snowmobile Download PDFInfo
- Publication number
- CN101709766B CN101709766B CN2009101918556A CN200910191855A CN101709766B CN 101709766 B CN101709766 B CN 101709766B CN 2009101918556 A CN2009101918556 A CN 2009101918556A CN 200910191855 A CN200910191855 A CN 200910191855A CN 101709766 B CN101709766 B CN 101709766B
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- gear
- shaft
- wheel
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- output
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- 230000007704 transition Effects 0.000 claims description 42
- 238000003756 stirring Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000007935 neutral effect Effects 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention relates to a gear box for a snowmobile. A large input gear and a small input gear are supported by an input shaft; the large input gear is meshed with a small output gear which is arranged on a first output shaft; the small input gear is meshed with a large output gear which is arranged on the first output shaft; a first gear-shifting wheel is arranged between the large input gear and the small input gear; a driving gear-reversing wheel is arranged beside the small input gear; the driving gear-reversing wheel is meshed with a driven gear-reversing wheel which is arranged on a gear-reversing shaft; a transmitting gear-reversing wheel is supported by the gear-reversing shaft; the transmitting gear-reversing is meshed with the large input gear; the gear-reversing shaft is connected with a second gear-shifting wheel through a spline; a second output shaft is supported by the lower part of the body of the gear box; and the second output shaft is connected with the small input gear through a transitional gear mechanism. The gear box for the snowmobile is provided with two forward gears, one neutral gear and one reversing gear, can meet the actual requirement of running in different environment of the snowmobile, has the characteristics of simple structure, easy assembling, reliable transmission, high efficiency and strong impact resistance ability and is particularly suitable for the small and medium-size snowmobile bumping violently in the environment of below 40 DEG C.
Description
Technical field
The invention belongs to the snowmobile technical field, specifically, relate in particular to the gearbox of snowmobile.
Background technique
Crawler behind the skid can move at snowfield fast before snowmobile was generally, and was the most extensive, the traffic tool easily in accumulated snow district.Snowmobile had not both had plate armour, did not adorn weapon yet, and the major technology index is reliable in structure, light and flexible, have good accumulated snow ground (or multiple landform) mobility and certain delivered payload capability.The gearbox of existing snowmobile not only complex structure, assembling difficulty, cost is high, and the reliability of transmission is relatively poor, efficient is low, impact resistance a little less than, be unfavorable for that strenuous vibration under the severe cold low temperature overturns the middle-size and small-size snowmobile of operation.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of gear box for snowmobile of simple in structure, reliable transmission.
Technological scheme of the present invention is as follows: a kind of gear box for snowmobile, comprise casing, input shaft and output shaft, its key is: described input shaft is bearing on the casing by bearing, one end of input shaft stretches out from the side of casing, be positioned at input shaft on the axle body of casing and be supported with input gearwheel and input small gear by bearing, wherein import the output pinion engagement on the gearwheel and first output shaft, the output gearwheel engagement on the input small gear and first output shaft; Between the large and small gear of described input, be provided with first variable block wheel, this first variable block wheel is connected with the input shaft spline, and the annular groove on first variable block wheel circumference is connected with first shift fork, and the both ends of the surface of taking turns in first variable block are provided with the tooth that can engage with corresponding input gear; Next door at described input small gear is provided with the driving wheel that reverses gear, the follower engagement of reversing gear on this reverse gear driving wheel and reverse gear shaft, on reverse gear shaft, be supported with the drive wheel that reverses gear by bearing, this reverse gear drive wheel and the engagement of output gearwheel, go back spline on the described reverse gear shaft and be connected with second variable block wheel, annular groove on this second variable block wheel circumference is connected with second shift fork, and under the stirring of second shift fork, second variable block wheel can engage with the drive wheel that reverses gear; Bottom at described casing is supported with second output shaft by bearing, and this second output shaft is connected with output pinion by transition gear mechanism.
Adopt above technological scheme, first variable block wheel is under the stirring of first shift fork, can slippage on input shaft, selectively with the input pinion, perhaps with the engagement of input gearwheel, perhaps separate with input small gear and input gearwheel, the low-speed forward of corresponding snowmobile is kept off, is advanced at utmost speed and keep off and neutral respectively; Second variable block wheel can slippage on reverse gear shaft under the stirring of second shift fork, the retaining that falls back of corresponding snowmobile.The present invention adopts semiclosed self lubricating system, has ensured lubricating between each gear at low temperatures.The minimizing that stress was concentrated when the design of gear and axle had taken into full account cold-starting.The present invention is simple in structure, assembling is easy, cost is low, reliable transmission, efficient height, strong shock resistance, the environment work down that is specially adapted to severe cold low temperature and overturns strongly.
As preferably, an end of described first output shaft stretches out from the side of casing, and it is opposite with input shaft to stretch out direction; One end of described second output shaft stretches out from the side of casing, and it is identical with input shaft to stretch out direction.Above structure not only can be to the traveller transferring power of snowmobile, and can provide power for other mechanism, connection and reasonable arrangement, compact reliable.
For simplified structure, the convenient installation, and further ensure the reliability of transmission of power, described transition gear mechanism comprises the first transition tooth, first transition axis, the second transition tooth, second transition axis and following output wheel, wherein first, second transition axis is fixed in the casing, on first transition axis, support the first transition tooth by bearing, this first transition tooth and output pinion and the engagement of the second transition tooth, the described second transition tooth is bearing on second transition axis by bearing, and with second output shaft on the engagement of following output wheel.
Beneficial effect: the present invention has two forward gears, a neutral and the retaining that falls back, can satisfy the needs of actual walking under the snowmobile varying environment, have simple in structure, compact, assembling easily, cost is low, reliable transmission, efficient height, characteristics such as strong shock resistance are specially adapted to the middle-size and small-size snowmobile that-40 ℃ of strenuous vibrations are overturned operation.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1, be parallel to each other by bearing supporting input shaft 2, reverse gear shaft 11 and 5, three axles of first output shaft on the top of casing 1.Wherein the left end of input shaft 2 stretches out from the left surface of casing 1, and the right-hand member of first output shaft 5 stretches out from the right flank of casing 1.Be positioned on the axle body of casing 1 from left to right successively suit reverse gear driving wheel 10, input small gear 4, first variable block wheel 8 and input gearwheel 3 at input shaft 2, wherein import gearwheel 3 and input small gear 4 by bearing and input shaft 2 supportings, the driving wheel 10 that reverses gear is placed on the reverse gear shaft 11 admittedly, and first variable block wheel 8 is connected with input shaft 2 splines, and the annular groove that first variable block is taken turns on 8 circumference is connected with first shift fork 9, is provided with the tooth that can engage with corresponding input gear in the both ends of the surface of first variable block wheel 8.First variable block wheel 8 can slippage on input shaft 2 under the stirring of first shift fork 9, so that engage with importing gearwheel 3 or import small gear 4 by the end face tooth.
As can be known from Fig. 1, on first output shaft 5, be connected with output pinion 6 and output gearwheel 7, wherein export gearwheel 7 and the input small gear 4 and drive wheel 13 engagements of reversing gear by spline.The described drive wheel 13 that reverses gear is bearing on the reverse gear shaft 11 by bearing, in the left side of the drive wheel 13 that reverses gear the follower 12 that reverses gear is set, and this follower 12 that reverses gear is placed on the reverse gear shaft 11 admittedly, and meshes with the driving wheel 10 that reverses gear.Second variable block wheel 14 is set on the right side of the drive wheel 13 that reverses gear, this second variable block wheel 14 is connected with reverse gear shaft 11 by spline, the annular groove that second variable block is taken turns on 14 circumference is connected with second shift fork (not drawing among the figure), under the stirring of second shift fork, second variable block wheel 14 can slippage on reverse gear shaft 11, so that engage with the drive wheel 13 that reverses gear.
Further as can be known, described output pinion 6 meshes with the input gearwheel 3 and the first transition tooth 16 from Fig. 1.The first transition tooth 16 is bearing on first transition axis 17 by bearing, and first transition axis 17 is fixed in the casing 1.Below first transition axis 17, fix second transition axis 19, support the second transition tooth, 18, the second transition teeth 18 and the first transition tooth 16 and output wheel 20 engagements down by bearing on this second transition axis 19.Described output wheel 20 down is set on second output shaft 15, and the left end of second output shaft 15 stretches out from the left surface of casing 1.
The present invention has four gears, is specially:
1, the low-speed forward retaining: second variable block wheel 14 does not engage with the drive wheel 13 that reverses gear at this moment, and first variable block wheel 8 engages with input small gear 4, the power of motor drives input shaft 2 rotations, input shaft 2 drives first variable block wheel 8 by spline, first variable block wheel 8 is rotated by the moving input of end face cingulum small gear 4, and input small gear 4 drives first output shaft 5 and output pinion 6 rotations by output gearwheel 7, one side first output shaft 5 outside outputting powers, on the other hand, output pinion 6 is successively through the first transition tooth 16, the second transition tooth 18 and following output wheel 20 drive second output shaft 15, second output shaft 15 is rotated, and outside outputting power.
2, retaining advances at utmost speed: second variable block wheel 14 does not engage with the drive wheel 13 that reverses gear at this moment, and first variable block wheel 8 engages with input gearwheel 3, the power of motor drives input shaft 2 rotations, input shaft 2 drives first variable block wheel 8 by spline, first variable block wheel 8 is rotated by the moving input of end face cingulum gearwheel 3, and input gearwheel 3 drives 5 rotations of first output shaft by output pinion 6, one side first output shaft 5 outside outputting powers, on the other hand, output pinion 6 is successively through the first transition tooth 16, the second transition tooth 18 and following output wheel 20 drive second output shaft 15, second output shaft 15 is rotated, and outside outputting power.
3, neutral: second variable block wheel 14 does not engage with the drive wheel 13 that reverses gear at this moment, and first variable block wheel 8 neither engages with input gearwheel 3, does not also engage with input small gear 4, and input shaft 2 dallies, and first output shaft 5 and second output shaft 15 do not rotate.
4, the retaining that falls back: this moment this moment, second variable block wheel 14 engaged with the drive wheel 13 that reverses gear, and first variable block wheel 8 neither engages with importing gearwheel 3, also with import small gear 4 and do not engage.The power of motor drives input shaft 2 rotations, input shaft 2 drives reverse gear follower 12 and reverse gear shaft 11 rotations by the driving wheel 10 that reverses gear, reverse gear shaft 11 drives drive wheel 13 rotations of reversing gear by second variable block wheel 14, the drive wheel 13 that reverses gear drives first output shaft 5 and output pinion 6 by output gearwheel 7 again, when making the outside outputting power of first output shaft 5, output pinion 6 drives second output shaft 15 through the first transition tooth 16, the second transition tooth 18 and following output wheel 20 successively, second output shaft 15 is rotated, also outside outputting power.
Claims (4)
1. gear box for snowmobile, comprise casing, input shaft and output shaft, it is characterized in that: described input shaft (2) is bearing on the casing (1) by bearing, one end of input shaft (2) stretches out from the side of casing (1), be positioned at input shaft (2) on the axle body of casing (1) and be supported with input gearwheel (3) and import small gear (4) by bearing, wherein import output pinion (6) engagement on gearwheel (3) and first output shaft (5), output gearwheel (7) engagement on input small gear (4) and first output shaft (5); Between the large and small gear of described input (3,4), be provided with first variable block wheel (8), this first variable block wheel (8) is connected with input shaft (2) spline, and the annular groove on first variable block wheel (8) circumference is connected with first shift fork (9), both ends of the surface at first variable block wheel (8) are provided with the tooth that can engage with corresponding input gear, first variable block wheel (8) is under the stirring of first shift fork (9), can go up slippage at input shaft (2), so that engage with input gearwheel (3) or input small gear (4) by the end face tooth; Be provided with the driving wheel that reverses gear (10) on the next door of described input small gear (4), the follower that reverses gear (12) engagement on this driving wheel that reverses gear (10) and the reverse gear shaft (11), upward be supported with the drive wheel that reverses gear (13) at reverse gear shaft (11) by bearing, this drive wheel that reverses gear (13) and output gearwheel (7) engagement, go back spline on the described reverse gear shaft (11) and be connected with second variable block wheel (14), this second variable block wheel (14) can be gone up slippage at reverse gear shaft (11), annular groove on second variable block wheel (14) circumference is connected with second shift fork, under the stirring of second shift fork, second variable block wheel (14) can engage with the drive wheel that reverses gear (13); Bottom at described casing (1) is supported with second output shaft (15) by bearing, and this second output shaft (15) is connected with output pinion (6) by transition gear mechanism.
2. gear box for snowmobile according to claim 1 is characterized in that: an end of described first output shaft (5) stretches out from the side of casing (1), and it is opposite with input shaft (2) to stretch out direction.
3. gear box for snowmobile according to claim 1 and 2 is characterized in that: an end of described second output shaft (15) stretches out from the side of casing (1), and it is identical with input shaft (2) to stretch out direction.
4. gear box for snowmobile according to claim 1, it is characterized in that: described transition gear mechanism comprises the first transition tooth (16), first transition axis (17), the second transition tooth (18), second transition axis (19) and following output wheel (20), wherein first, second transition axis (17,19) be fixed in the casing (1), upward support the first transition tooth (16) at first transition axis (17) by bearing, this first transition tooth (16) and output pinion (6) and the engagement of the second transition tooth (18), the described second transition tooth (18) is bearing on second transition axis (19) by bearing, and with second output shaft (15) on following output wheel (20) engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101918556A CN101709766B (en) | 2009-12-10 | 2009-12-10 | Gear box for snowmobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101918556A CN101709766B (en) | 2009-12-10 | 2009-12-10 | Gear box for snowmobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101709766A CN101709766A (en) | 2010-05-19 |
| CN101709766B true CN101709766B (en) | 2011-09-21 |
Family
ID=42402566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101918556A Expired - Fee Related CN101709766B (en) | 2009-12-10 | 2009-12-10 | Gear box for snowmobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101709766B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9435413B2 (en) * | 2012-04-23 | 2016-09-06 | Sheng-Tsai Tseng | Transmission power switch device assembled with rotary shaft |
| RU168878U1 (en) * | 2016-08-01 | 2017-02-22 | Общество с ограниченной ответственностью "ВЕЛОМОТОРС"/ООО "ВЕЛОМОТОРС" | GEAR BOX |
| CN108443426A (en) * | 2018-03-16 | 2018-08-24 | 重庆永发工业有限公司 | A kind of transmission box of snowmobile assembly structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073159A (en) * | 1989-05-16 | 1991-12-17 | Nippon Seiko Kabushiki Kaisha | Vehicle transmission |
| CN200953729Y (en) * | 2006-09-26 | 2007-10-03 | 孙定忠 | Mini-size tillage machine all-gear walking box |
| CN201013849Y (en) * | 2007-02-17 | 2008-01-30 | 新昌鹤群机械有限责任公司 | Small-sized loading apparatus speed changing box |
-
2009
- 2009-12-10 CN CN2009101918556A patent/CN101709766B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073159A (en) * | 1989-05-16 | 1991-12-17 | Nippon Seiko Kabushiki Kaisha | Vehicle transmission |
| CN200953729Y (en) * | 2006-09-26 | 2007-10-03 | 孙定忠 | Mini-size tillage machine all-gear walking box |
| CN201013849Y (en) * | 2007-02-17 | 2008-01-30 | 新昌鹤群机械有限责任公司 | Small-sized loading apparatus speed changing box |
Non-Patent Citations (2)
| Title |
|---|
| JP昭58-88248A 1983.05.26 |
| JP特开2003-147737A 2003.05.21 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101709766A (en) | 2010-05-19 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING YONGFA TECHNOLOGY CO., LTD. Free format text: FORMER NAME: CHONGQING YONGFA MOTORCYCLE ACCESSORIES CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 400700 71 bridge, Beibei District, Chongqing Patentee after: Chongqing Yongfa Technology Co. Ltd. Address before: 400700 71 bridge, Beibei District, Chongqing Patentee before: Chongqing Yongfa Motorcycle Parts Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20151210 |
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| EXPY | Termination of patent right or utility model |