CN102767614B - Step-down gear and breather thereof - Google Patents
Step-down gear and breather thereof Download PDFInfo
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- CN102767614B CN102767614B CN201210280994.8A CN201210280994A CN102767614B CN 102767614 B CN102767614 B CN 102767614B CN 201210280994 A CN201210280994 A CN 201210280994A CN 102767614 B CN102767614 B CN 102767614B
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- down gear
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Abstract
The present invention discloses a kind of breather for step-down gear, comprising: for being arranged on the casing top of described step-down gear and the ventpipe being connected with described casing, the base plate being fixed on described ventpipe, and the top cover being connected with described base plate; Described base plate is provided with straight up multiple, and spaced apart first dividing plate; Described top cover is provided with straight down multiple, and spaced apart second partition; Described first dividing plate and described 2nd dividing plate staggered arrangement, and form the snakelike air flue being connected with described ventpipe; Described snakelike air flue is in communication with the outside by means of only its exit end. Breather provided by the invention, compared to existing ventilation breather, can be avoided changing filter core, reduce the cost in use procedure. The present invention is open a kind of step-down gear also, comprises casing and is arranged on the breather on described casing top; Described breather breather provided by the invention. Step-down gear provided by the invention applies breather disclosed by the invention, it may also be useful in process, cost is low.
Description
Technical field
The present invention relates to aeration equipment technical field, more specifically, it relates to a kind of ventilation breather for step-down gear, also relate to a kind of step-down gear.
Background technology
Step-down gear is power transmission mechanism common in industrial production. Be provided with a large amount of lubricating oil in the casing of step-down gear, in its working process in casing temperature raise, in casing gas can expand, pressure increase.
In prior art, in order to make the air of heat expansion in casing freely discharge outside step-down gear, casing top is provided with the ventilation breather of band filter core, it is possible to avoid pressure in casing excessive, prevents lubricating oil by gap leakages such as the sealing stations stretching out axle on casing.
Existing ventilation breather is directly exposed in air, a lot of impurity can be infected with after work certain time, therefore regularly change filter core to prevent impurity from entering casing domestic demand, but the cost of filter core is higher, especially the step-down gear being applied in the inferior severe environment of coal mine, needing the frequent filter core changing step-down gear, its cost is higher.
In sum, how providing a kind of breather for step-down gear, to avoid changing frequently filter core, reducing ventilation cost is those skilled in the art's problem demanding prompt solutions.
Summary of the invention
In view of this, the present invention provides a kind of breather for step-down gear, with the cost reduced in breather use procedure. Present invention also offers a kind of step-down gear, with the cost reduced on it in breather use procedure.
For achieving the above object, the present invention provides following technical scheme:
For a breather for step-down gear, comprising:
For being arranged on the casing top of described step-down gear, and the ventpipe being connected with described casing;
The base plate being fixed on described ventpipe, which is provided with straight up multiple, and spaced apart first dividing plate; With
With the top cover that described base plate is connected, which is provided with straight down multiple, and spaced apart second partition; Described first dividing plate and described 2nd dividing plate staggered arrangement, and form the snakelike air flue being connected with described ventpipe; Described snakelike air flue is in communication with the outside by means of only its exit end.
Preferably, in above-mentioned breather, described base plate and described top cover are circle, and described first dividing plate and described second partition are tubular.
Preferably, in above-mentioned breather, described base plate is set with by the open holes in the middle part of it and is fixed on described ventpipe; Described top cover is connected with described base plate by described ventpipe, is provided with the sleeve being fixed on described ventpipe end in the middle part of it; The pore that described sleeve is provided with the described air flue that crawls is connected.
Preferably, in above-mentioned breather, described sleeve is screw thread sleeve, and it is by being screwed in the end of described ventpipe.
Preferably, in above-mentioned breather, also comprise for preventing the lubricating oil splash in described casing from going out outside described ventpipe, and baffle plate that is relative and staggered arrangement up and down, it is fixed on described ventpipe, and below the interface being positioned on described ventpipe to be connected with described snakelike air flue.
Preferably, in above-mentioned breather, described baffle plate is fixed on described ventpipe by tubular installation sleeve; Described installation sleeve is fixed in described ventpipe by the mode of shrink-fit.
Preferably, in above-mentioned breather, the number of described baffle plate is two.
Preferably, in above-mentioned breather, described base plate is provided with the sediment flushing outlet of band stopple, and it is between adjacent described first dividing plate and between described ventpipe and described first dividing plate.
A kind of step-down gear, comprises casing and is arranged on the breather on described casing top, and described breather is breather described in any one in technique scheme.
The breather that the present invention is provided for step-down gear comprises ventpipe, base plate and top cover, and wherein, ventpipe is for being arranged on the casing top of step-down gear, and realizes being connected with box house; First dividing plate is fixed on ventpipe, which is provided with straight up multiple, and spaced apart first dividing plate; Top cover is connected with above-mentioned base plate, which is provided with straight down multiple, and spaced apart second partition; Above-mentioned first dividing plate and second partition staggered arrangement, and form the snakelike air flue that is connected by inlet end with ventpipe, and above-mentioned snakelike air flue enters and is in communication with the outside by means of only its exit end.
When applying breather provided by the invention, ventpipe is fixed on the top of box body of speed reducer, can be discharged by ventpipe and snakelike air flue after gas expansion in box body of speed reducer, the impurity such as extraneous dust can only enter in snakelike air flue by the exit end of above-mentioned snakelike air flue, reasonably arrange that the length of snakelike air flue can prevent impurity from arriving the inlet end of snakelike air flue effectively by the model according to step-down gear and Working environment etc., impurity is avoided to enter in casing by ventpipe, and, it is compared to ventilation breather of the prior art, can avoid changing filter core, cost in use procedure is low.
The present invention also provides a kind of step-down gear, comprises casing and is arranged on the breather on described casing top, and wherein, breather is breather provided by the invention.
Step-down gear provided by the invention applies breather provided by the invention, it may also be useful to the cost in process is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the breather for step-down gear that Fig. 1 provides for the embodiment of the present invention;
The wiring layout of the breather that Fig. 2 provides for the embodiment of the present invention and step-down gear;
Wherein, in Fig. 1-Fig. 2:
Top cover 101; Second partition 102; Baffle plate 103; Installation sleeve 104; Sleeve 105; Stopple 106; First dividing plate 107; Base plate 108; Ventpipe 109; Casing 201; Breather 100.
Embodiment
The embodiment of the invention discloses a kind of breather for step-down gear, to avoid frequently changing filter core, reduce the cost in its use procedure. The embodiment of the present invention also provides a kind of step-down gear, and on it, the use cost of breather is low.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only the present invention's part embodiment, instead of whole embodiments. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1-Fig. 2, the breather that the embodiment of the present invention is provided for step-down gear comprises ventpipe 109, base plate 108 and top cover 101, and wherein, ventpipe 109 is for being arranged on casing 201 top of step-down gear, and realizes being connected with casing 201 inside; Top cover 101 is fixed on ventpipe 109, which is provided with straight up multiple, and spaced apart first dividing plate 107; Top cover 101 is connected with above-mentioned base plate 108, which is provided with straight down multiple, and spaced apart second partition 102; Above-mentioned first dividing plate 107 and second partition 102 staggered arrangement, and form the snakelike air flue that is connected by inlet end with ventpipe 109, and above-mentioned snakelike air flue enters and is in communication with the outside by means of only its exit end.
During the breather that the application embodiment of the present invention provides, ventpipe 109 is fixed on the top of box body of speed reducer 201, can be discharged by ventpipe 109 and snakelike air flue after gas expansion in box body of speed reducer 201, the impurity such as extraneous dust can only enter in snakelike air flue by the exit end of above-mentioned snakelike air flue, reasonably arrange that the length of snakelike air flue can prevent impurity from arriving the inlet end of snakelike air flue effectively by the model according to step-down gear and Working environment etc., impurity is avoided to enter in casing 201 by ventpipe 109, and, it is compared to ventilation breather of the prior art, can avoid changing filter core, cost in use procedure is low.
In the breather that above-described embodiment provides, top cover 101 and base plate 108 can be set to rectangle, and both connect by being arranged on the side plate of both sides, and form the tubular structure that cross section is rectangle; Accordingly, the first dividing plate 107 is fixedly connected with two side plates respectively with second partition 102, to form snakelike air flue.
Concrete, in the breather that above-described embodiment provides, ventpipe 109 can be set to the one end with base plate 108 and be fixedly connected with, accordingly, the end corresponding with ventpipe 109 of above-mentioned snakelike air flue is shut, to prevent extraneous impurity arrives ventpipe 109 by this port, and it is inner to enter casing 201; Preferably, ventpipe 109 is set to the middle part with base plate 108 and is fixedly connected with, and accordingly, the two ends of snakelike air flue are its exit end.
Preferably, in the breather that above-described embodiment provides, top cover 101 and base plate 108 are set to circle respectively, first dividing plate 107 and second partition 102 are set to tubular structure, accordingly, snakelike air flue in annular, the gas of the expansion being convenient in casing 201 by after ventpipe 109 along all directions in plane simultaneously discharged to ambient atmosphere, exhaust efficiency height. Concrete, above-mentioned top cover 101 can be connected with base plate 108 by the column that two ends are fixedly connected with top cover 101 with base plate 108 respectively, now, the end face of ventpipe 109 can be set to concordant with the end face of base plate 108, it is also possible to is set between base plate 108 and top cover 101; Above-mentioned top cover 101 can also be placed through ventpipe 109 and be connected with base plate 108:
Base plate 108 is set with by the open holes in the middle part of it and is fixed on ventpipe 109; It is fixed with sleeve 105 in the middle part of top cover 101, and this sleeve 105 is fixed on the end of ventpipe 109, accordingly, sleeve 105 is also provided with and the pore that snakelike air flue is connected.
Concrete, in the breather that above-described embodiment provides, sleeve 105 can be plugged in ventpipe 109 by the mode of shrink-fit or be coated on outside ventpipe 109; Preferably, sleeve 105 is set to screw thread sleeve, and accordingly, the screw thread that ventpipe 109 is provided with above-mentioned screw thread sleeve coordinates, the mode that both are threaded connection is fixedly connected with. Above-mentioned screw thread sleeve can arrange internal thread, and ventpipe 109 arranges the outside screw coordinated with it; Above-mentioned screw thread cover can also arrange outside screw, and ventpipe 109 arranges the internal thread coordinated with it.
Owing to lubricating oil in step-down gear often splashes under the drive of step-down gear internal wheel, therefore in order to prevent lubricating oil from splashing in snakelike air flue by ventpipe 109, the breather that the present embodiment provides also comprises the baffle plate 103 of relative and upper and lower staggered arrangement, and the interface of snakelike air flue is led in its position vertically lower than ventpipe 109; Above-mentioned baffle plate 103 can be fixed on ventpipe 109, it is also possible to is fixed on sleeve 105 according to the position of pore. As shown in Figure 1, baffle plate 103 is fixed in the installation sleeve 104 of tubular, and installation sleeve 104 is fixed in sleeve 105 by the mode of shrink-fit; Above-mentioned installation sleeve 104 can also be fixed in ventpipe 109 by the mode of shrink-fit.
In the breather that above-described embodiment provides, baffle plate 103 can be set to upwards to the bearing of trend of its free end by inboardend, downwards or in the horizontal direction, preferably, it is set to downwards, to prevent the lube oil retention splashed is in the angle of baffle plate 103 with sleeve 105, reduce the inconvenience of follow-up cleaning.
The gaseous tension expanded in step-down gear is bigger, it is bigger through the speed of ventpipe 109 and snakelike air flue, the lubricating oil carrying splashing unavoidably arrives snakelike air flue, above-mentioned lubricating oil drops down onto on base plate 108 in snakelike air flue, simultaneously, enter the impurity in snakelike air flue also can save bit by bit on base plate 108, therefore in order to get rid of above-mentioned lubricating oil and extraneous impurity, in the breather that the embodiment of the present invention provides, base plate 108 is provided with the sediment flushing outlet of band stopple 106, and above-mentioned sediment flushing outlet is between the first adjacent dividing plate 107 and between ventpipe 109 and the first dividing plate 107; As shown in Figure 1. During application, need to regularly take off stopple 106 so that the impurity etc. on base plate 108 is discharged outside snakelike air flue. Concrete, above-mentioned stopple 106 is set to silk and blocks up.
Preferably, in the breather that above-described embodiment provides, the first dividing plate 107 and base plate 108 are set to integral structure, and above-mentioned second partition 102 and top cover 101 are set to integral structure.
The breather structure that the embodiment of the present invention provides is simple, it may also be useful to the life-span is long, is convenient to produce, and production cost is low.
The embodiment of the present invention also provides a kind of step-down gear, it breather 202 comprising casing 201 and being arranged on casing, wherein, and the breather that breather 202 provides for foregoing invention embodiment. Concrete, breather 202 is arranged on the top of the casing 201 of step-down gear.
The step-down gear that the embodiment of the present invention provides applies the breather 202 that the embodiment of the present invention provides, and compared to existing step-down gear, avoids the frequent filter core changing breather in use procedure, reduces the cost in use procedure.
In this specification sheets, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment emphasis illustrated is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are enable to realize or use the present invention. To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments. Therefore, the present invention can not be limited in these embodiments shown in this article, but be met the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. the breather for step-down gear, it is characterised in that, comprising:
For being arranged on the casing top of described step-down gear, and the ventpipe being connected with described casing;
The base plate being fixed on described ventpipe, which is provided with straight up multiple, and spaced apart first dividing plate; With
With the top cover that described base plate is connected, which is provided with straight down multiple, and spaced apart second partition; Described first dividing plate and described 2nd dividing plate staggered arrangement, and form the snakelike air flue being connected with described ventpipe; Described snakelike air flue is in communication with the outside by means of only its exit end;
Described base plate and described top cover are circle, and described first dividing plate and described second partition are tubular; Described base plate is set with by the open holes in the middle part of it and is fixed on described ventpipe; Described top cover is connected with described base plate by described ventpipe, is provided with the sleeve being fixed on described ventpipe end in the middle part of it; The pore that described sleeve is provided with the described air flue that crawls is connected.
2. breather according to claim 1, it is characterised in that, described sleeve is screw thread sleeve, and it is by being screwed in the end of described ventpipe.
3. breather according to claim 1, it is characterized in that, also comprise for preventing the lubricating oil splash in described casing from going out outside described ventpipe, and baffle plate that is relative and staggered arrangement up and down, it is fixed on described ventpipe, and below the interface being positioned on described ventpipe to be connected with described snakelike air flue.
4. breather according to claim 3, it is characterised in that, described baffle plate is fixed on described ventpipe by tubular installation sleeve; Described installation sleeve is fixed in described ventpipe by the mode of shrink-fit.
5. breather according to claim 3, it is characterised in that, the number of described baffle plate is two.
6. breather according to claim 1, it is characterised in that, described base plate is provided with the sediment flushing outlet of band stopple, and it is between adjacent described first dividing plate and between described ventpipe and described first dividing plate.
7. a step-down gear, comprises casing and is arranged on the breather on described casing top, it is characterised in that, described breather is the breather described in claim 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280994.8A CN102767614B (en) | 2012-08-08 | 2012-08-08 | Step-down gear and breather thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280994.8A CN102767614B (en) | 2012-08-08 | 2012-08-08 | Step-down gear and breather thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102767614A CN102767614A (en) | 2012-11-07 |
| CN102767614B true CN102767614B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210280994.8A Active CN102767614B (en) | 2012-08-08 | 2012-08-08 | Step-down gear and breather thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6250081B2 (en) * | 2016-02-25 | 2017-12-20 | 本田技研工業株式会社 | Breather equipment |
| JP6479080B2 (en) * | 2017-03-30 | 2019-03-06 | 本田技研工業株式会社 | Breather equipment |
| CN110805686A (en) * | 2019-11-27 | 2020-02-18 | 安徽江淮汽车集团股份有限公司 | Speed reducer |
| CN112728045B (en) * | 2020-12-28 | 2022-04-15 | 浙江中烟工业有限责任公司 | Gravity self-balancing exhaust device for mechanical arm gear box |
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| CN101842615A (en) * | 2007-10-18 | 2010-09-22 | Nok株式会社 | Breather |
| DE102011008274A1 (en) * | 2010-01-15 | 2011-07-21 | GM Global Technology Operations LLC, ( n. d. Ges. d. Staates Delaware ), Mich. | Transmission vent assembly |
| CN202118216U (en) * | 2011-06-07 | 2012-01-18 | 南京创力传动机械有限公司 | Ventilation cap of high speed gear case |
| CN202732900U (en) * | 2012-08-08 | 2013-02-13 | 莱芜钢铁集团有限公司 | Speed reducer and air breather thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5793674U (en) * | 1980-11-28 | 1982-06-09 | ||
| JP3946412B2 (en) * | 2000-05-15 | 2007-07-18 | 本田技研工業株式会社 | Vehicle power transmission device |
| JP4870376B2 (en) * | 2005-03-29 | 2012-02-08 | キーパー株式会社 | Breather equipment |
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2012
- 2012-08-08 CN CN201210280994.8A patent/CN102767614B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101842615A (en) * | 2007-10-18 | 2010-09-22 | Nok株式会社 | Breather |
| DE102011008274A1 (en) * | 2010-01-15 | 2011-07-21 | GM Global Technology Operations LLC, ( n. d. Ges. d. Staates Delaware ), Mich. | Transmission vent assembly |
| CN202118216U (en) * | 2011-06-07 | 2012-01-18 | 南京创力传动机械有限公司 | Ventilation cap of high speed gear case |
| CN202732900U (en) * | 2012-08-08 | 2013-02-13 | 莱芜钢铁集团有限公司 | Speed reducer and air breather thereof |
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| CN102767614A (en) | 2012-11-07 |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Luan Zhaohua Inventor after: Tian Jinggang Inventor after: Shi Yuanhai Inventor after: Chen Chuansheng Inventor before: Luan Zhaohua Inventor before: Shi Yuanhai Inventor before: Chen Chuansheng |
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Free format text: CORRECT: INVENTOR; FROM: LUAN ZHAOHUA SHI YUANHAI CHEN CHUANSHENG TO: LUAN ZHAOHUA TIAN JINGGANG SHI YUANHAI CHEN CHUANSHENG |
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