CN204344821U - Speed-changing gear box - Google Patents
Speed-changing gear box Download PDFInfo
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- CN204344821U CN204344821U CN201420689718.1U CN201420689718U CN204344821U CN 204344821 U CN204344821 U CN 204344821U CN 201420689718 U CN201420689718 U CN 201420689718U CN 204344821 U CN204344821 U CN 204344821U
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Abstract
The utility model provides a kind of speed-changing gear box, belongs to field of mechanical technique.It solve the problem that the lubrication effect of existing speed-changing gear box is bad.This speed-changing gear box, comprise casing one and casing two, input shaft and output shaft is provided with in casing one, one end of output shaft to stretch out in outside casing one and is positioned at casing two, axially output gear and transition gear is fixed with in casing two, the outer end of output shaft is fixed with input gear, and transition gear is meshed with input gear and output gear respectively, and casing one and casing two are independently airtight cavity.This speed-changing gear box has the advantage of good lubrication effect.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of gearbox, particularly a kind of speed-changing gear box.
Background technique
Speed-changing gear box is the vitals of extensive use in mechanical transmission, during a pair gears meshing, owing to inevitably there is tooth pitch, profile of tooth equal error, can produce mesh impact and rub in operation process, it be very important for therefore carrying out lubrication to the gear in speed-changing gear box.
A kind of gearbox (application number: 200910191855.6 disclosed in Chinese patent literature; Application publication number: CN 101709766 A), comprise casing, input shaft and output shaft, input shaft is bearing on casing by bearing, one end of input shaft is stretched out from the side of casing, the axle body being positioned at casing at input shaft is supported with input gearwheel and input small gear by bearing, wherein input gearwheel to engage with the output pinion on the first output shaft, input small gear engages with the output gearwheel on the first output shaft; Input between large and small gear and be provided with the first variable block wheel, this first variable block wheel and input shaft spline joint, and the first variable block wheel annular groove is circumferentially connected with the first shift fork, is provided with the tooth that can engage with corresponding input gear in the both ends of the surface of the first variable block wheel; The driving wheel that reverses gear is provided with on the side of input small gear, this driving wheel that reverses gear engages with the follower that reverses gear on reverse gear shaft, reverse gear shaft is supported with reverse gear wheel by bearing, this reverse gear wheel engages with output gearwheel, reverse gear shaft is gone back spline joint and have the second variable block wheel, this second variable block wheel annular groove is circumferentially connected with the second shift fork, and under the stirring of the second shift fork, the second variable block wheel can be taken turns with reverse gear and be engaged; Be supported with the second output shaft in the bottom of casing by bearing, this second output shaft is connected with output pinion by transition gear mechanism.But because the height of this gearbox is comparatively large, and lubricating oil level is in the bottom of gearbox, therefore on the lubricant oil gear that is not easy to enter into top and bearing, make lubrication effect bad.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of speed-changing gear box with good lubrication effect.
The purpose of this utility model realizes by following technical proposal: speed-changing gear box, comprise casing one and casing two, input shaft and output shaft is provided with in described casing one, it is characterized in that, one end of described output shaft to stretch out in outside described casing one and is positioned at described casing two, axially output gear and transition gear is fixed with in described casing two, the outer end of described output shaft is fixed with input gear, described transition gear is meshed with described input gear and output gear respectively, described casing one is independently airtight cavity with described casing two.
Input shaft is fixed with gear one, output shaft is provided with the gear two that can be meshed with gear one.Operationally, power passes on output shaft by input shaft, output shaft by input gear by transmission of power to output gear.Because casing one and casing two are two independently airtight cavitys, therefore lubricant oil can be added toward casing one and casing two respectively, under any operating mode, the input gear in the gear in casing one and casing two and output gear all can be made all to be lubricated fully, there is longer advantage in working life.Alternatively, described input gear can directly be meshed with output gear, saves transition gear.
In above-mentioned speed-changing gear box, described casing two is rectangle, and described output gear is positioned at the lower end of described casing two.
In above-mentioned speed-changing gear box, the outer side wall of described casing one is provided with heating wire one and described heating wire one is arranged twist.The outer side wall of casing one is provided with heating wire one, and when starting, the outer side wall of heating wire a pair casing one heats, add the mobility of the lubricant oil in casing one, there is higher lubrication effect, and after lamp lubricant oil has good mobility, heating wire one stops heating.
In above-mentioned speed-changing gear box, described casing one is provided with inlet hole one.When just starting or slowly run, inlet hole one passes into gas, is blown to by the lubricant oil bottom casing one in the cavity of casing one, lubricates the gear in casing one, have the advantage of high lubricating effect.
In above-mentioned speed-changing gear box, the outer side wall of described casing two is provided with heating wire two and described heating wire two is arranged twist.The outer side wall of casing two is provided with heating wire two, and when starting, the outer side wall of heating wire two pairs of casings two heats, add the mobility of the lubricant oil in casing two, there is higher lubrication effect, and after lamp lubricant oil has good mobility, heating wire two stops heating.
In above-mentioned speed-changing gear box, described casing two is provided with inlet hole two, and described heating wire two is positioned at the outlet port of described inlet hole two.When just starting or slowly run, inlet hole two passes into gas, is blown to by the lubricant oil bottom casing two in the cavity of casing two, lubricates the gear in casing two, have the advantage of high lubricating effect.
Compared with prior art, this speed-changing gear box has the following advantages:
1, casing one and casing two are two independently airtight cavitys, therefore lubricant oil can be added toward casing one and casing two respectively, under any operating mode, the input gear in the gear in casing one and casing two and output gear all can be made all to be lubricated fully, there is longer advantage in working life;
2, the outer side wall of casing one and the outer side wall of casing two are provided with heating wire one and heating wire two, in startup or when slowly running, heating wire one and heating wire two heat the outer side wall of casing one and the outer side wall of casing two respectively, and the mobility of lubricant oil, has higher lubrication effect;
3, inlet hole one and inlet hole two pass into gas, blow in the cavity of casing one and casing two respectively by the lubricant oil bottom casing one and casing two, lubricate, have the advantage of high lubricating effect to the gear in casing one and casing two.
Accompanying drawing explanation
Fig. 1 is the sectional view of this speed-changing gear box embodiment one.
Fig. 2 is the stereogram of this speed-changing gear box embodiment one.
Fig. 3 is the stereogram of this speed-changing gear box embodiment two.
In figure, 1, casing one; 1a, heated filament one; 1b, inlet hole one; 2, casing two; 2a, heating wire two; 2b, inlet hole two; 3, output shaft; 4, input gear; 5, transition gear; 6, output gear.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As illustrated in fig. 1 and 2, speed-changing gear box, comprise casing 1 and casing 22, input shaft and output shaft 3 is provided with in casing 1, one end of output shaft 3 to stretch out in outside casing 1 and is positioned at casing 22, and is axially fixed with output gear 6 and transition gear 5 in casing 22, the outer end of output shaft 3 is fixed with input gear 4, transition gear 5 is meshed with input gear 4 and output gear 6 respectively, and casing 1 and casing 22 are independently airtight cavity.Casing 22 is rectangle, and described output gear 6 is positioned at the lower end of described casing 22.
Casing 1 is provided with gearshift mechanism, input shaft is fixed with gear one, and output shaft 3 is provided with the gear two that can be meshed with gear one.Operationally, power passes on output shaft 3 by input shaft, and output shaft 3 passes through input gear 4 by transmission of power to output gear 6.Because casing 1 and casing 22 are two independently airtight cavitys, therefore lubricant oil can be added toward casing 1 and casing 22 respectively, under any operating mode, the input gear 4 in the gear in casing 1 and casing 22 and output gear 6 all can be made all to be lubricated fully, there is longer advantage in working life.
Embodiment two
As shown in Figure 3, speed-changing gear box, comprise casing 1 and casing 22, input shaft and output shaft 3 is provided with in casing 1, one end of output shaft 3 to stretch out in outside casing 1 and is positioned at casing 22, and is axially fixed with output gear 6 and transition gear 5 in casing 22, the outer end of output shaft 3 is fixed with input gear 4, transition gear 5 is meshed with input gear 4 and output gear 6 respectively, and casing 1 and casing 22 are independently airtight cavity.Casing 22 is rectangle, and described output gear 6 is positioned at the lower end of described casing 22.
The outer side wall of casing 1 is provided with heating wire one 1a and heating wire one 1a is arranged twist, and casing 1 is provided with can inlet hole one 1b.The outer side wall of casing 22 is provided with heating wire two 2a and heating wire two 2a is arranged twist, and casing 22 is provided with can inlet hole two 2b, and heating wire two 2a is positioned at the outlet port of inlet hole two 2b.
Casing 1 is provided with gearshift mechanism, input shaft is fixed with gear one, and output shaft 3 is provided with the gear two that can be meshed with gear one.Operationally, power passes on output shaft 3 by input shaft, and output shaft 3 passes through input gear 4 by transmission of power to output gear 6.Because casing 1 and casing 22 are two independently airtight cavitys, therefore lubricant oil can be added toward casing 1 and casing 22 respectively, under any operating mode, the input gear 4 in the gear in casing 1 and casing 22 and output gear 6 all can be made all to be lubricated fully, there is longer advantage in working life.
Outer side wall due to casing 1 is provided with heating wire one 1a, and when starting, the outer side wall of heating wire one 1a to casing 1 heats, add the mobility of the lubricant oil in casing 1, there is higher lubrication effect, and after lamp lubricant oil has good mobility, heating wire one 1a stops heating.When just starting or slowly run, inlet hole one 1b passes into gas, heating lubricant oil bottom casing 1 is blown in the cavity of casing 1, lubricant oil is made better to be diffused in the cavity of casing 1, to being positioned at the gear of casing 1 cavity and bearing to lubricating, there is the advantage of high lubricating effect.Outer side wall due to casing 22 is provided with heating wire two 2a, when starting, the outer side wall of heating wire two 2a to casing 22 heats, add the mobility of the lubricant oil in casing 22, there is higher lubrication effect, and after lamp lubricant oil has good mobility, heating wire two 2a stops heating.Firm startup or when slowly running, inlet hole two 2b passes into gas, heating lubricant oil bottom casing 22 is blown in the cavity of casing 22, lubricant oil is made better to be diffused in the cavity of casing 22, the transmission paries such as the gear in casing 22 and bearing are lubricated, there is the advantage of high lubricating effect, make this speed-changing gear box have longer working life.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as casing 1, heated filament one 1a, inlet hole one 1b, casing 22, heating wire two 2a, inlet hole two 2b, output shaft 3, input gear 4, transition gear 5, output gear 6 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. speed-changing gear box, comprise casing one (1) and casing two (2), input shaft and output shaft (3) is provided with in described casing one (1), it is characterized in that, one end of described output shaft (3) stretches out in described casing one (1) outside and is positioned at described casing two (2), axially output gear (6) and transition gear (5) is fixed with in described casing two (2), the outer end of described output shaft (3) is fixed with input gear (4), described transition gear (5) is meshed with described input gear (4) and output gear (6) respectively, described casing one (1) is independently airtight cavity with described casing two (2).
2. speed-changing gear box according to claim 1, is characterized in that, described casing two (2) is rectangle, and described output gear (6) is positioned at the lower end of described casing two (2).
3. speed-changing gear box according to claim 1 and 2, is characterized in that, the outer side wall of described casing one (1) is provided with heating wire one (1a) and described heating wire one (1a) is arranged twist.
4. speed-changing gear box according to claim 1 and 2, is characterized in that, described casing one (1) is provided with inlet hole one (1b).
5. speed-changing gear box according to claim 1 and 2, is characterized in that, the outer side wall of described casing two (2) is provided with heating wire two (2a) and described heating wire two (2a) is arranged twist.
6. speed-changing gear box according to claim 5, it is characterized in that, described casing two (2) is provided with inlet hole two (2b), and described heating wire two (2a) is positioned at the outlet port of described inlet hole two (2b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689718.1U CN204344821U (en) | 2014-11-18 | 2014-11-18 | Speed-changing gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689718.1U CN204344821U (en) | 2014-11-18 | 2014-11-18 | Speed-changing gear box |
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| Publication Number | Publication Date |
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| CN204344821U true CN204344821U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420689718.1U Active CN204344821U (en) | 2014-11-18 | 2014-11-18 | Speed-changing gear box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683415A (en) * | 2019-09-26 | 2020-01-14 | 武汉永鑫船舶附件有限公司 | Four-reel cable reel |
| CN111306287A (en) * | 2020-03-25 | 2020-06-19 | 衢州市高昱机械有限公司 | Speed reducing mechanism for twisting machine and using method thereof |
-
2014
- 2014-11-18 CN CN201420689718.1U patent/CN204344821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683415A (en) * | 2019-09-26 | 2020-01-14 | 武汉永鑫船舶附件有限公司 | Four-reel cable reel |
| CN111306287A (en) * | 2020-03-25 | 2020-06-19 | 衢州市高昱机械有限公司 | Speed reducing mechanism for twisting machine and using method thereof |
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