CN102135171A - Respirator for gear case - Google Patents
Respirator for gear case Download PDFInfo
- Publication number
- CN102135171A CN102135171A CN2011100479760A CN201110047976A CN102135171A CN 102135171 A CN102135171 A CN 102135171A CN 2011100479760 A CN2011100479760 A CN 2011100479760A CN 201110047976 A CN201110047976 A CN 201110047976A CN 102135171 A CN102135171 A CN 102135171A
- Authority
- CN
- China
- Prior art keywords
- respirator
- oil
- transmission case
- resuscitation apparatus
- grease baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a respirator for a gear case, belonging to the hydraulic field. The respirator is mainly used for preventing liquid in the gear case from spilling out and has a filtering function on outside gaseous pollutant particles so as to effectively prevent the liquid in the gear case from being polluted. The respirator comprises a respirator cover, a filter core, a filter plate, a locating shaft, oil baffles, a respirator body and an oil stopping net. The respirator for the gear case is characterized in that the respirator body is internally provided with one or more oil baffles, and the adjacent oil baffles are crossed mutually in the certain angle theta, thus the oil-foam breakage and the oil-gas separation of gas expired from the interior of the gear case are realized by the special structure design of the oil stopping net, the oil baffles and the filter plate, and the respirator has a function of preventing the oil from spilling out. The respirator is arranged at the gear case, thus the respirator can further effectively prevent the oil from spilling out, besides being used for filtering gas and balancing a pressure, and does not ensure that the gas pressure in the gear case is increased. The respirator disclosed by the invention has the advantages of simple structure, convenience for installation, low manufacture cost and easy maintenance, and is suitable for wide application.
Description
Technical field
The invention belongs to Hydraulic Field, specifically relate to a kind of resuscitation apparatus that is used for transmission case.
Background technique
In the transmission or lubrication system of fluid, as the container that is the system stores medium, because the variation of liquid level can produce cell breath in the container, promptly in the course of the work, liquid level in the container can rise or descend, the gas of liquid level top can be discharged in the container when liquid level rises, and the gas when liquid level descends outside the container can enter in the container.If work under the environment preferably at environment, resuscitation apparatus can solve the breathing problem of container, if when working under the environment of inclement condition, container is breathed also except needs must sealing, to prevent that liquid in the container from spilling and ambient atmos pollutes the liquid in the container.
The transmission case resuscitation apparatus is to be used for filtered air, and the hydraulic pressure accessory of balance inner and outer air pressure.Transmission case with resuscitation apparatus in use is easy to occur the fault that resuscitation apparatus spatters oil, particularly when transmission case oil temperature is very high, the oil gas of high temperature even oily foam are emerged from resuscitation apparatus, cause overflowing of transmission oil, promptly polluted environment, again easy accident such as initiation fire.For the fault that resuscitation apparatus spatters oil, can take several different methods, as control volume read-out, control oil temperature, reasonable Arrangement return tube and reduce the foaming etc. of oil, the structure that on the structure of resuscitation apparatus, also should consider to prevent to spatter oil well.
As the hydraulic pressure auxiliary of transmission case, the resuscitation apparatus major function is a balance transmission case inner air and outer air pressure, filters the air that enters in the transmission case, avoids polluting, and prevents that again resuscitation apparatus spatters oily fault under the rugged environment simultaneously.
Resuscitation apparatus is aspect gas filtration to external world, usually with sieve element as suction filter, for stoping minimum dimension is micron number magnitude contaminant particles, two independent filters of the general employing of resuscitation apparatus with different filtering fineness, though can make hydraulic system reach long working life like this, in equipping at first and in maintenance, have a quite high cost.
Aspect spray-proof oil, existing resuscitation apparatus adopts the structure of pressure-bearing valve mostly, and when promptly the transmission case inner air pressure must be greater than setup pressure value, air could from inside to outside be discharged, and reduces the foaming of oil so on the one hand, has also reduced the chance of spattering oil simultaneously.The setup pressure value of existing product mainly contains 0.35bar, and 0.7bar etc. are several.But the transmission case resuscitation apparatus that is to use pressure-bearing type exists big not enough, because it has improved the air pressure in the transmission case, have higher requirement for transmission case input, the withstand voltage of output shaft oil sealing, the working pressure scope of general common oil sealing is less than 0.5bar, replace common oil sealing if adopt withstand voltage oil sealing, except cost improves, may also to change on the transmission case structure.
Therefore, need a kind of resuscitation apparatus of design, can effectively prevent to spatter oil, do not make that again the air pressure in the transmission case improves, can avoid the pollution of ambient atmos simultaneously liquid in the transmission case.
Summary of the invention
The object of the invention is to provide a kind of resuscitation apparatus that is used for transmission case, and this resuscitation apparatus is installed on the transmission case body, except can filtered air, the balance pressure, can also effectively prevent to spatter oil, do not make that again the air pressure in the transmission case improves.
In order to realize the foregoing invention purpose, the technological scheme that the present invention takes is as follows:
A kind of resuscitation apparatus that is used for transmission case, described resuscitation apparatus comprises resuscitation apparatus lid and respirator body, its improvements are that described resuscitation apparatus also comprises positioning shaft and the filter core that axially sets gradually, filter plate, grease baffle and the oily net of shelves, and described filter core, filter plate, positioning shaft and grease baffle are positioned at described respirator body; Described grease baffle is provided with groove; Described grease baffle is fixed on the described positioning shaft.
Another optimal technical scheme of the present invention is: described grease baffle be shaped as taper or bowl type, the taper of described grease baffle or a bowl profile are provided with n groove, described n value is the integer between the 1-10, described groove be shaped as U type or V-type.
An optimal technical scheme more of the present invention is: described grease baffle is fixed on the described positioning shaft by welding or bonding, riveted way, described grease baffle contacts with described respirator body inwall, the contact position of described grease baffle and described respirator body is higher than the position of described grease baffle and described positioning shaft, and described grease baffle is a V-shape.
Another optimal technical scheme of the present invention is: the groove that is fixed in described adjacent grease baffle is along the positioning shaft several angle θ that axially staggers mutually, the span of described θ be 0 ° to 180 °/n.
Another optimal technical scheme of the present invention is: the filter precision scope of described filter core is 0.1 μ m to 60 μ m.
Another optimal technical scheme of the present invention is: described filter plate is provided with the aperture that precision is 0.1-5mm.
Another optimal technical scheme of the present invention is: the described respirator body that is positioned at below the described grease baffle is provided with many row's apertures, and the precision of described aperture is 0.1mm-5mm.
Another optimal technical scheme of the present invention is: the oily net of described shelves is arranged at the outer wall at the position with holes of described respirator body.
Another optimal technical scheme of the present invention is: the oily net of described shelves is fixed in the outer wall with holes of described respirator body in the soldering mode.
Another optimal technical scheme of the present invention is: the oily net of described shelves is made of wire gaze or plastic silk screen, and the fineness of described wire gaze or plastic silk screen is 0.01mm-5mm.
Owing to adopted technique scheme, compared with prior art, beneficial effect of the present invention is:
1) simple in structure, easy for installation
Each design of part of resuscitation apparatus of the present invention is simple, is convenient to install, and is easy to manufacture;
2) effectively prevent to spatter oily fault
Special construction design by component such as leakproof oil net, grease baffle, filter plates, the oily foam of having realized the inner breath of transmission case breaks and Oil-gas Separation, have the function that prevents to spatter oil, can not improve the pressure of air in the transmission case simultaneously again, can not improve being equipped with of transmission case oil sealing and press;
3) effectively filter the ambient atmos contaminant particles
Resuscitation apparatus of the present invention, by the design of Rational structure such as filter plate and filter core, the contaminant particles in the effective filtered air of energy, and can be according to the Environmental Conditions difference of resuscitation apparatus, the diameter difference of the contaminant particles of need filtering is selected the filter core of different filtering fineness;
4) be easy to safeguard, cost is low
Cleaned and changed convenience, the resuscitation apparatus low cost of manufacture, long service life is suitable for extensive use, has high economic benefit.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is the resuscitation apparatus schematic perspective view;
Fig. 2 is the resuscitation apparatus generalized section;
Fig. 3 is the grease baffle schematic representation.
Reference character:
1-resuscitation apparatus lid, 2-filter core, 3-filter plate, 4-positioning shaft, 5-grease baffle, 6-respirator body, 7-leakproof oil net, 8-groove.
Embodiment
The present invention will be described in detail below in conjunction with example.
Embodiment 1:
Resuscitation apparatus of the present invention can be used for transmission case, and described resuscitation apparatus is fixed on the casing of transmission case by screw thread (or flange plate).The resuscitation apparatus bottom communicates with transmission case inside, and its top communicates with the outer atmosphere of transmission case.This respirator interior is equipped with filter core 2, and the contaminant particles in can filtered air guarantees that liquid is not polluted in the transmission case.
A kind of resuscitation apparatus that is used for transmission case of the present invention, it is simple and practical.Its main parts size comprises: resuscitation apparatus lid 1, filter core 2, filter plate 3, positioning shaft 4, grease baffle 5, respirator body 6 and leakproof oil net 7, as shown in Figure 1.Wherein be connected with nut by screw thread between filter plate 3 and the positioning shaft 4, and be fixed together by welding or modes such as bonding or colligation between positioning shaft 4 and the several grease baffle 5.The inward flange of grease baffle 5 central positions is fixed on the described positioning shaft 4 by welding manner, and the outward edge of position, grease baffle 5 outer contacts with respirator body 6 inwalls, and the outward edge of grease baffle 5 is positioned on grease baffle 5 inward flanges, forms V-shape.The taper of described grease baffle 5 or bowl profile are provided with n groove 8, and the shape approximation of described groove 8 is in the U type, and described n value is the integer between the 1-10.The angle θ that will stagger certain between two wherein adjacent grease baffles installs, and the described angle θ span that staggers is 0 ° of-360 °/2n.
Embodiment 2:
Owing to gear stirs mist of oil or the oily foam that has splashed, at first the many rows aperture through leakproof oil net 7 and respirator body 6 bottoms enters into respirator interior in the transmission case, and as shown in Figure 2, the fineness of many rows aperture of respirator body 6 bottoms is 0.1mm-5mm.The fluid that many rows aperture of leakproof oil net 7 and respirator body 6 bottoms splashes major part keeps off outside resuscitation apparatus, and air is entered.Many rows aperture of leakproof oil net 7 and respirator body 6 bottoms can make most oily foam bubble break, to break the oil catch of oily foam outside resuscitation apparatus, and its air is entered, and the oily net 7 of shelves is made of wire gaze or plastic silk screen, and the fineness of wire gaze or plastic silk screen is 0.01mm-5mm.
The gas that enters into respirator interior moves upward, and runs into a plurality of grease baffles 5, because the structure of grease baffle 5 has certain gradient, is convenient to the separation of oil gas, as Fig. 3.The groove 8 that one or more ventilation usefulness are arranged on the grease baffle 5 in addition because certain angle θ that staggers between the adjacent grease baffle 5 makes gas need the tortuous vent slot that flows through to rise, has certain damping property, also is easy to the separation of oil gas.Separated liquid oil falls along the inclined-plane of grease baffle 5, gets back to transmission case by respirator body 6 nethermost orifice flows.
Gas by grease baffle 5 continues to rise, and communicates with transmission case atmosphere outward by filter plate 3, filter core 2, as shown in Figure 2.Wherein, a plurality of fine and closely woven apertures are arranged on the filter plate 3, the fineness of aperture is 0.1mm-5mm, is convenient to the further separation of oil gas.
Invention has been described according to specific exemplary embodiment herein.It will be conspicuous carrying out suitable replacement to one skilled in the art or revise under not departing from the scope of the present invention.Exemplary embodiment only is illustrative, rather than to the restriction of scope of the present invention, scope of the present invention is by appended claim definition.
Claims (10)
1. resuscitation apparatus that is used for transmission case, described resuscitation apparatus comprises resuscitation apparatus lid (1) and respirator body (6), it is characterized in that filter core (2), filter plate (3), grease baffle (5) and shelves oily net (7) that described resuscitation apparatus also comprises positioning shaft (4) and axially sets gradually, described filter core (2), filter plate (3), positioning shaft (4) and grease baffle (5) are positioned at described respirator body (6); Described grease baffle (5) is provided with groove (8); Described grease baffle (2) is fixed on the described positioning shaft (4).
2. a kind of resuscitation apparatus that is used for transmission case as claimed in claim 1, it is characterized in that described grease baffle (5) be shaped as taper or the bowl type, the taper of described grease baffle (5) or bowl profile are provided with n groove (8), described n value is the integer between the 1-10, described groove (8) be shaped as U type or V-type.
3. a kind of resuscitation apparatus that is used for transmission case as claimed in claim 1, it is characterized in that described grease baffle (5) is fixed on the described positioning shaft (4) by welding or bonding, riveted way, described grease baffle (5) contacts with described respirator body (6) inwall, the contact position of described grease baffle (5) and described respirator body (6) is higher than the position of described grease baffle (5) and described positioning shaft (4), and described grease baffle (5) is a V-shape.
4. a kind of resuscitation apparatus that is used for transmission case as claimed in claim 1 or 2, the groove (8) that it is characterized in that being fixed in described adjacent grease baffle (5) be along positioning shaft (4) the several angle θ that axially staggers mutually, the span of described θ be 0 ° to 180 °/n.
5. a kind of resuscitation apparatus that is used for transmission case as claimed in claim 1, the filter precision scope that it is characterized in that described filter core (2) are 0.1 μ m to 60 μ m.
6. a kind of resuscitation apparatus that is used for transmission case as claimed in claim 1 is characterized in that described filter plate (3) is provided with the aperture that precision is 0.1-5mm.
7. a kind of resuscitation apparatus that is used for transmission case as claimed in claim 1 is characterized in that being positioned at the following described respirator body (6) of described grease baffle (5) and is provided with many row's apertures, and the precision of described aperture is 0.1mm-5mm.
8. as claim 1 or 7 described a kind of resuscitation apparatuss that are used for transmission case, it is characterized in that the described oily nets of shelves (7) are arranged at the outer wall at the position with holes of described respirator body (6).
9. a kind of resuscitation apparatus that is used for transmission case as claimed in claim 1 is characterized in that the described oily nets of shelves (7) are fixed in the outer wall with holes of described respirator body (6) in the soldering mode.
10. a kind of resuscitation apparatus that is used for transmission case as claimed in claim 1 is characterized in that the described oily nets of shelves (7) are made of wire gaze or plastic silk screen, and the fineness of described wire gaze or plastic silk screen is 0.01mm-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110047976 CN102135171B (en) | 2011-02-28 | 2011-02-28 | Respirator for gear case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110047976 CN102135171B (en) | 2011-02-28 | 2011-02-28 | Respirator for gear case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102135171A true CN102135171A (en) | 2011-07-27 |
| CN102135171B CN102135171B (en) | 2013-05-08 |
Family
ID=44295045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110047976 Expired - Fee Related CN102135171B (en) | 2011-02-28 | 2011-02-28 | Respirator for gear case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102135171B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267614A (en) * | 2013-05-28 | 2013-08-28 | 徐州徐工挖掘机械有限公司 | Oil leaking detection device of engine transmission case of hydraulic excavator |
| CN103968049A (en) * | 2014-04-25 | 2014-08-06 | 中煤平朔集团有限公司 | Exhaust oil returning cup device for speed reducer |
| CN105276170A (en) * | 2014-07-08 | 2016-01-27 | 上海汽车集团股份有限公司 | Transmission system and automobile |
| CN105485313A (en) * | 2014-09-19 | 2016-04-13 | 沃德(天津)传动有限公司 | Ventilation cap and speed reducer used for ventilation cap |
| DE102015002320A1 (en) * | 2015-02-26 | 2016-09-01 | Gkn Driveline International Gmbh | Ventilation device for a transmission housing |
| CN109356744A (en) * | 2018-08-28 | 2019-02-19 | 中国北方发动机研究所(天津) | A kind of transmission case integrating device used suitable for high-power engine |
| CN109945063A (en) * | 2019-03-08 | 2019-06-28 | 包头钢铁（集团）有限责任公司 | A kind of anti-spraying oil respirator |
| CN111853211A (en) * | 2020-06-23 | 2020-10-30 | 义乌吉利自动变速器有限公司 | Breathing device of transmission, assembling method and vehicle |
| CN113154015A (en) * | 2021-04-29 | 2021-07-23 | 徐州徐工传动科技有限公司 | Ventilating device for mechanical device |
| DE102020110775A1 (en) | 2020-04-21 | 2021-10-21 | Bayerische Motoren Werke Aktiengesellschaft | Ventilation device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348570A (en) * | 1993-04-05 | 1994-09-20 | Rockwell International Corporation | Axle housing breather |
| JP2002106687A (en) * | 2000-10-04 | 2002-04-10 | Aisin Aw Co Ltd | Breather |
| US20040025942A1 (en) * | 2002-08-08 | 2004-02-12 | Woo-Yeol Kim | Air breather for an automobile transmission |
| CN201621251U (en) * | 2009-07-28 | 2010-11-03 | 徐州工程机械科技股份有限公司 | Mini-type self-regulation respirator |
| CN201739749U (en) * | 2010-07-26 | 2011-02-09 | 宝山钢铁股份有限公司 | Oil-blockage respirator |
-
2011
- 2011-02-28 CN CN 201110047976 patent/CN102135171B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348570A (en) * | 1993-04-05 | 1994-09-20 | Rockwell International Corporation | Axle housing breather |
| JP2002106687A (en) * | 2000-10-04 | 2002-04-10 | Aisin Aw Co Ltd | Breather |
| US20040025942A1 (en) * | 2002-08-08 | 2004-02-12 | Woo-Yeol Kim | Air breather for an automobile transmission |
| CN201621251U (en) * | 2009-07-28 | 2010-11-03 | 徐州工程机械科技股份有限公司 | Mini-type self-regulation respirator |
| CN201739749U (en) * | 2010-07-26 | 2011-02-09 | 宝山钢铁股份有限公司 | Oil-blockage respirator |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267614A (en) * | 2013-05-28 | 2013-08-28 | 徐州徐工挖掘机械有限公司 | Oil leaking detection device of engine transmission case of hydraulic excavator |
| CN103968049A (en) * | 2014-04-25 | 2014-08-06 | 中煤平朔集团有限公司 | Exhaust oil returning cup device for speed reducer |
| CN105276170A (en) * | 2014-07-08 | 2016-01-27 | 上海汽车集团股份有限公司 | Transmission system and automobile |
| CN105276170B (en) * | 2014-07-08 | 2018-01-30 | 上海汽车集团股份有限公司 | Transmission system, automobile |
| CN105485313A (en) * | 2014-09-19 | 2016-04-13 | 沃德(天津)传动有限公司 | Ventilation cap and speed reducer used for ventilation cap |
| DE102015002320A1 (en) * | 2015-02-26 | 2016-09-01 | Gkn Driveline International Gmbh | Ventilation device for a transmission housing |
| DE102015002320B4 (en) | 2015-02-26 | 2022-11-24 | Gkn Automotive Ltd. | Process for separating oil |
| CN109356744A (en) * | 2018-08-28 | 2019-02-19 | 中国北方发动机研究所(天津) | A kind of transmission case integrating device used suitable for high-power engine |
| CN109945063A (en) * | 2019-03-08 | 2019-06-28 | 包头钢铁（集团）有限责任公司 | A kind of anti-spraying oil respirator |
| DE102020110775A1 (en) | 2020-04-21 | 2021-10-21 | Bayerische Motoren Werke Aktiengesellschaft | Ventilation device |
| CN111853211A (en) * | 2020-06-23 | 2020-10-30 | 义乌吉利自动变速器有限公司 | Breathing device of transmission, assembling method and vehicle |
| CN113154015A (en) * | 2021-04-29 | 2021-07-23 | 徐州徐工传动科技有限公司 | Ventilating device for mechanical device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102135171B (en) | 2013-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102135171B (en) | Respirator for gear case | |
| US10525386B2 (en) | Filter device | |
| US9260993B1 (en) | Oil and air separator system and method | |
| CN103987928B (en) | Air/oil separators component, part and method | |
| US20170340992A1 (en) | Filter apparatus | |
| CN106422473B (en) | Filter core | |
| US20180126305A1 (en) | Filter device and filter element | |
| CN213270955U (en) | Ventilation cap | |
| CN212855136U (en) | Gas coalescer | |
| JP2014226639A (en) | Air filter | |
| CN205699686U (en) | A kind of high-precision filtration tank | |
| CN211273762U (en) | Metal sintering felt filter core | |
| KR102177390B1 (en) | Complex filtering device for filtering magnetic materials and non-magnetic materials of fluid | |
| CN211423077U (en) | Air filter | |
| CN219469616U (en) | Oil tank respirator support installation assembly | |
| CN114535066A (en) | Breather for vibrating screen | |
| CN204419300U (en) | Internal combustion locomotive gas and oil separating plant | |
| CN208719316U (en) | A kind of straight-through breather valve of reducer gear case | |
| CN111734862A (en) | Scavenging air plug for gearbox or drive axle | |
| CN213609925U (en) | Aviation fuel coalescence-separation ware | |
| CN213159453U (en) | Bubble cap tower plate with high mass transfer efficiency | |
| CN211448792U (en) | Small oil-gas separator assembly | |
| CN110801691A (en) | Oil-gas separator | |
| CN210127994U (en) | Integrated hydraulic filtering station | |
| CN215964138U (en) | Novel air filtering device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20170228 |