CN204191183U - A kind of ratchet mower special gear box - Google Patents
A kind of ratchet mower special gear box Download PDFInfo
- Publication number
- CN204191183U CN204191183U CN201420641314.5U CN201420641314U CN204191183U CN 204191183 U CN204191183 U CN 204191183U CN 201420641314 U CN201420641314 U CN 201420641314U CN 204191183 U CN204191183 U CN 204191183U
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- China
- Prior art keywords
- power shaft
- roll bearing
- taper roll
- shaft
- casing
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- General Details Of Gearings (AREA)
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Abstract
The utility model discloses a kind of ratchet mower special gear box, comprise casing and be arranged on the end cap on casing, power shaft, output shaft, described power shaft is vertically arranged in the middle of casing, the bottom of described power shaft passes bottom half, the bottom of power shaft is power intake, top and the casing top of power shaft are rotationally connected, middle part and the output the tip of the axis of power shaft are in transmission connection by bevel-gear sett, bevel-gear sett is the first bevel gear be connected in the middle part of power shaft and the second bevel gear being connected to output shaft end, described power shaft is provided with clutch slot, the clutch key of spring leaf and cooperation spring leaf is provided with in described clutch slot, described second bevel gear is provided with the keyway coordinating clutch key.The precision of the utility model transferring power is higher, and power transmission efficiency is high; Being in transmission connection between the first bevel gear and power shaft can also be cut off in time, prevent cutterhead whipping inertia from producing reverse impact to gear and rotating shaft, increase the service life, reduce use cost.
Description
Technical field
The utility model relates to a kind of gear-box, particularly relates to a kind of ratchet mower special gear box.
Background technology
Ratchet mower is as conventional farm machinery, be used widely, the gear-box wherein transmitted for power is is also constantly researched and developed and is improved, at present, not only structure is comparatively complicated for conventional ratchet mower gear-box, cost is higher, and it is general when mower stops, although the Power output in gear-box stops, together with but the interior parts (as gear and rotating shaft) for transmission of power of gear-box can be in transmission connection toward contact, and now arrive dish also can because of free-wheel for a moment, therefore the whipping inertia of cutterhead can produce reverse impact to mechanism, damage in-house power transmission member (as gear and rotating shaft), thus shorten its service life, but also improve operative's difficulty.
Utility model content
The utility model is in order to solve defect and the deficiency of the existence of above-mentioned prior art, provide a kind of structure simple, being in transmission connection between gear and rotating shaft can be cut off in time, prevent cutterhead whipping inertia from producing reverse impact to gear and rotating shaft, thus increase the service life, reduce the ratchet mower special gear box of use cost.
The technical solution of the utility model: a kind of ratchet mower special gear box, comprise casing and be arranged on the end cap on casing, power shaft, output shaft, it is characterized in that: described power shaft is vertically arranged in the middle of casing, the bottom of described power shaft passes bottom half, the bottom of power shaft is power intake, top and the casing top of power shaft are rotationally connected, middle part and the output the tip of the axis of power shaft are in transmission connection by bevel-gear sett, bevel-gear sett is the first bevel gear be connected in the middle part of power shaft and the second bevel gear being connected to output shaft end, described power shaft is provided with clutch slot, the clutch key of spring leaf and cooperation spring leaf is provided with in described clutch slot, described second bevel gear is provided with the keyway coordinating clutch key.
The utility model adopts bevel-gear sett to be delivered to output shaft by after the direction-variable power of power shaft, and the precision of transferring power is higher, and can arrange higher rotation speed, improves power transmission efficiency; Being in transmission connection between the first bevel gear and power shaft can also be cut off in time simultaneously, prevent cutterhead whipping inertia from producing reverse impact to gear and rotating shaft, thus increase the service life, reduce use cost.
Preferably, described power shaft and junction, casing top are provided with the second taper roll bearing, power shaft and lower box junction are provided with the 4th taper roll bearing, described 4th taper roll bearing is arranged on the below of the first bevel gear, described output shaft and casing junction are provided with the first taper roll bearing and the 3rd taper roll bearing, described first taper roll bearing is arranged on the front side of the second bevel gear, and described 3rd taper roll bearing is arranged on the front side of the first taper roll bearing.
This kind of structure makes the transmission of power between power shaft and output shaft more steadily reliable; Make the connection between output shaft and casing more solid and reliable simultaneously, also make the connection between power shaft and casing more solid and reliable.
Preferably, described first taper roll bearing side is provided with the first adjustment pad, described second taper roll bearing side is provided with the second adjustment pad, and the 3rd taper roll bearing side is provided with the 3rd adjustment pad, and the 4th taper roll bearing side is provided with the 4th adjustment pad.
This kind of structure makes the connection of the first taper roll bearing, the 3rd taper roll bearing and output shaft more steady, makes the connection of the second taper roll bearing, the 4th taper roll bearing and power shaft more steady.
Preferably, described power shaft and lower box junction are also provided with heavy circlip for hole and the double-deck oil sealing of the first inner frame, described heavy circlip for hole is arranged on below the 4th taper roll bearing, and described first inner frame two-lip seal is arranged on below heavy circlip for hole.
This kind of structure makes the connection between power shaft and casing more solid and reliable, makes the better tightness between power shaft and casing simultaneously.
Preferably, described 3rd taper roll bearing and side, output shaft junction are provided with the first heavy circlip for shaft, and described first bevel gear and side, power shaft junction are provided with the second heavy circlip for shaft.
This kind of structure makes the 3rd connection between taper roll bearing and output shaft more solid and reliable, makes the connection between the first bevel gear and power shaft more solid and reliable simultaneously.
Preferably, described output shaft and casing junction are also provided with the second inner frame two-lip seal, and described second inner frame two-lip seal is arranged on front side of the first heavy circlip for shaft.
This kind of structure makes the better tightness between output shaft and casing.
Preferably, described casing top is also provided with solid oil sealing, and described solid oil sealing is arranged on above the second adjustment pad.
This kind of structure makes the better tightness at casing top.
Preferably, described end cap is fastenedly connected by coarse thread turret head screw bolt and casing, and end cap is provided with circular oil scale.
This kind of structure makes the connection between end cap and casing more solid and reliable.
The utility model adopts bevel-gear sett to be delivered to output shaft by after the direction-variable power of power shaft, and the precision of transferring power is higher, and can arrange higher rotation speed, improves power transmission efficiency; Being in transmission connection between the first bevel gear and power shaft can also be cut off in time simultaneously, prevent cutterhead whipping inertia from producing reverse impact to gear and rotating shaft, thus increase the service life, reduce use cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that in the utility model, clutch key coordinates with spring leaf;
1. casings in figure, 2. end cap, 3. power shaft, 4. output shaft, 5. the first bevel gear, 6. the second bevel gear, 7. clutch key, 8. the first taper roll bearing, 9. the second taper roll bearing, 10. the first inner frame two-lip seal, 11. second inner frame two-lip seals, 12. solid oil sealings, 13. heavy circlip for holes, 14. first heavy circlips for shaft, 15. second heavy circlips for shaft, 16. first adjustment pads, 17. second adjustment pads, 18. the 3rd adjustment pads, 19. the 4th adjustment pads, 20. circular oil scales, 21. coarse thread turret head screw bolts, 22. spring leafs, 23. the 3rd taper roll bearings, 24. the 4th taper roll bearings.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but is not the restriction to the utility model protection domain.
As shown in Figure 1, a kind of ratchet mower special gear box, the end cap 2 comprising casing 1 and be arranged on casing 1, power shaft 3, output shaft 4, power shaft 3 is vertically arranged in the middle of casing 1, the bottom of power shaft 3 passes bottom casing 1, the bottom of power shaft 3 is power intake, top and casing 1 top of power shaft 3 are rotationally connected, the middle part of power shaft 3 and the end of output shaft 4 are in transmission connection by bevel-gear sett, bevel-gear sett is the first bevel gear 5 be connected in the middle part of power shaft 3 and the second bevel gear 6 being connected to output shaft 4 end, power shaft 3 is provided with clutch slot, the clutch key 7 of spring leaf 22 and cooperation spring leaf 22 is provided with in clutch slot, second bevel gear 6 is provided with the keyway coordinating clutch key 7.Power shaft 3 and junction, casing 1 top are provided with the second taper roll bearing 9, power shaft 3 and junction, casing 1 bottom are provided with the 4th taper roll bearing 24,4th taper roll bearing 24 is arranged on the below of the first bevel gear 5, output shaft 4 and casing 1 junction are provided with the first taper roll bearing 8 and the 3rd taper roll bearing 23, first taper roll bearing 8 is arranged on the front side of the second bevel gear 6, and the 3rd taper roll bearing 23 is arranged on the front side of the first taper roll bearing 8.First taper roll bearing 8 side is provided with the first adjustment pad 16, second taper roll bearing 9 side is provided with the second adjustment pad 17,3rd taper roll bearing 23 side is provided with the 3rd adjustment pad the 18, four taper roll bearing 24 side and is provided with the 4th adjustment pad 19.Power shaft 3 and junction, casing 1 bottom are also provided with heavy circlip for hole 13 and the double-deck oil sealing 10 of the first inner frame, heavy circlip for hole 13 is arranged on below the 4th taper roll bearing 24, and the first inner frame two-lip seal 10 is arranged on below heavy circlip for hole 13.3rd taper roll bearing 23 and side, output shaft 4 junction are provided with the first heavy circlip for shaft 14, first bevel gear 5 and are provided with the second heavy circlip for shaft 15 with side, power shaft 3 junction.Output shaft 4 and casing 1 junction are also provided with the second inner frame two-lip seal 11, second inner frame two-lip seal 11 and are arranged on front side of the first heavy circlip for shaft 14.Casing 1 top is also provided with solid oil sealing 12, and solid oil sealing 12 is arranged on above the second adjustment pad 17.End cap 2 is fastenedly connected by coarse thread turret head screw bolt 21 and casing 1, and end cap 2 is provided with circular oil scale 20.
As shown in Figure 2,1, work time, power shaft turns clockwise, by clutch key by transmission of power give the second bevel gear, then the second bevel gear passes to output shaft and cutterhead by the first bevel gear again, and cutterhead starts whipping work;
2, when power shaft stops operating, now cutterhead has a whipping inertia and drives output shaft rotation, output shaft can drive the second bevel gear to rotate counterclockwise by the first bevel gear, now spring leaf will be depressed, clutch key departs from the keyway on the second bevel gear, makes the power of the second bevel gear not pass to power shaft.The whipping inertia being cutterhead when mower stopping like this would not producing mechanism and impact, and plays a protective role.
Define power shaft and output shaft link in the utility model for export the tip of the axis, the output of output shaft is front end (after namely the left side is, the right is front); The front and back position of other parts is also with this criterion.
The utility model adopts bevel-gear sett to be delivered to output shaft by after the direction-variable power of power shaft, and the precision of transferring power is higher, and can arrange higher rotation speed, improves power transmission efficiency; Being in transmission connection between the first bevel gear and power shaft can also be cut off in time simultaneously, prevent cutterhead whipping inertia from producing reverse impact to gear and rotating shaft, thus increase the service life, reduce use cost.
Claims (8)
1. a ratchet mower special gear box, comprise casing and be arranged on the end cap on casing, power shaft, output shaft, it is characterized in that: described power shaft is vertically arranged in the middle of casing, the bottom of described power shaft passes bottom half, the bottom of power shaft is power intake, top and the casing top of power shaft are rotationally connected, middle part and the output the tip of the axis of power shaft are in transmission connection by bevel-gear sett, bevel-gear sett is the first bevel gear be connected in the middle part of power shaft and the second bevel gear being connected to output shaft end, described power shaft is provided with clutch slot, the clutch key of spring leaf and cooperation spring leaf is provided with in described clutch slot, described second bevel gear is provided with the keyway coordinating clutch key.
2. a kind of ratchet mower special gear box according to claim 1, it is characterized in that: described power shaft and junction, casing top are provided with the second taper roll bearing, power shaft and lower box junction are provided with the 4th taper roll bearing, described 4th taper roll bearing is arranged on the below of the first bevel gear, described output shaft and casing junction are provided with the first taper roll bearing and the 3rd taper roll bearing, described first taper roll bearing is arranged on the front side of the second bevel gear, described 3rd taper roll bearing is arranged on the front side of the first taper roll bearing.
3. a kind of ratchet mower special gear box according to claim 2, it is characterized in that: described first taper roll bearing side is provided with the first adjustment pad, described second taper roll bearing side is provided with the second adjustment pad, 3rd taper roll bearing side is provided with the 3rd adjustment pad, and the 4th taper roll bearing side is provided with the 4th adjustment pad.
4. a kind of ratchet mower special gear box according to claim 3, it is characterized in that: described power shaft and lower box junction are also provided with heavy circlip for hole and the double-deck oil sealing of the first inner frame, described heavy circlip for hole is arranged on below the 4th taper roll bearing, and described first inner frame two-lip seal is arranged on below heavy circlip for hole.
5. a kind of ratchet mower special gear box according to claim 3, it is characterized in that: described 3rd taper roll bearing and side, output shaft junction are provided with the first heavy circlip for shaft, described first bevel gear and side, power shaft junction are provided with the second heavy circlip for shaft.
6. a kind of ratchet mower special gear box according to claim 5, is characterized in that: described output shaft and casing junction are also provided with the second inner frame two-lip seal, and described second inner frame two-lip seal is arranged on front side of the first heavy circlip for shaft.
7. a kind of ratchet mower special gear box according to claim 3, it is characterized in that: described casing top is also provided with solid oil sealing, described solid oil sealing is arranged on above the second adjustment pad.
8. a kind of ratchet mower special gear box according to claim 1, is characterized in that: described end cap is fastenedly connected by coarse thread turret head screw bolt and casing, and end cap is provided with circular oil scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641314.5U CN204191183U (en) | 2014-10-31 | 2014-10-31 | A kind of ratchet mower special gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641314.5U CN204191183U (en) | 2014-10-31 | 2014-10-31 | A kind of ratchet mower special gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204191183U true CN204191183U (en) | 2015-03-11 |
Family
ID=52649208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641314.5U Expired - Fee Related CN204191183U (en) | 2014-10-31 | 2014-10-31 | A kind of ratchet mower special gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204191183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956856A (en) * | 2017-12-28 | 2018-04-24 | 绍兴前进齿轮箱有限公司 | A kind of one-way clutch uni-drive gear box of dual output |
-
2014
- 2014-10-31 CN CN201420641314.5U patent/CN204191183U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956856A (en) * | 2017-12-28 | 2018-04-24 | 绍兴前进齿轮箱有限公司 | A kind of one-way clutch uni-drive gear box of dual output |
| CN107956856B (en) * | 2017-12-28 | 2024-05-14 | 绍兴前进齿轮箱有限公司 | Double-output one-way clutch transmission gear box |
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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: 20150311 Termination date: 20191031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |