CN103216720B - Lubricating-oil mist discharging device for oil groove of sliding bearing of generator set - Google Patents
Lubricating-oil mist discharging device for oil groove of sliding bearing of generator set Download PDFInfo
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- CN103216720B CN103216720B CN201310166511.6A CN201310166511A CN103216720B CN 103216720 B CN103216720 B CN 103216720B CN 201310166511 A CN201310166511 A CN 201310166511A CN 103216720 B CN103216720 B CN 103216720B
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- blocking cover
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Abstract
The invention discloses a lubricating-oil mist discharging device for an oil groove of a sliding bearing of a generator set. The lubricating-oil mist discharging device comprises an oil groove cover, wherein an air inlet and an air exhaust port are formed in the oil groove cover; an air filter is arranged on the air inlet, and outside air is filtered by the air filter and then enters the oil groove; the air exhaust port is provided with a splash-proof oil retaining cover which is provided with an oil-mist discharging device; the splash-proof oil retaining cover is provided with an enveloping part which is arranged in the circumferential direction; the outer edge of the top part of the enveloping part is provided with a first connecting part; a bottom plate is arranged at the bottom part of the enveloping part; the enveloping part is internally provided with a labyrinth passage; and a labyrinth-passage inlet as an air inlet of the splash-proof oil retaining cover is arranged at the side wall of the enveloping part, and a labyrinth-passage outlet as an air exhaust port of the splash-proof oil retaining cover is arranged at the top part of the enveloping part. The lubricating-oil mist discharging device disclosed by the invention has the advantages that the purpose of purifying oil mist can be achieved, the oil mist discharging device also can be protected, and a first groove plate and a second groove plate are mutually embedded to play a role of accelerating the backflow of reflux and liquefied lubricating oil into the oil groove.
Description
Technical field
The present invention relates to a kind of lubricant oil mist of oil tapping equipment for generator set sliding bearing oil groove.
Background technique
High tacho generator group due to the mixing speed of lubricant oil in oil groove fast, very easily there is spilled oil phenomenon and mist of oil phenomenon, not only befouling environment but also may insulation fault be caused.
Bearing of hydraulic generator generally adopts self-lubricating plain bearing, and bearing liner invades profit in lubricant oil.When unit operates, lubricant oil stirs, clashes in oil groove on the one hand, produces a large amount of bubble, and bubble eruption forms mist of oil, tiling oil film local place temperature is higher on the other hand, lubricant oil is vaporized, and forms mist of oil, therefore for hydraulic turbine generator, the generation of mist of oil is inevitable, and increasing along with generating unit speed, oil is sputtered everywhere, and the mist of oil order of severity increases.
For solving turbine-generator units mist of oil problem, adopted the methods such as outside tonifying Qi, multilayer labyrinth seal, contact formation testing gear, oil mist absorbing device, but effect not obvious.When particularly using oil mist absorbing device, the oil sputtered in oil groove is directly sucked by oil mist absorbing device, causes oil mist absorbing device filter layer to be destroyed, does not reach purifying effect.
Summary of the invention
For the problems referred to above that prior art exists, the invention provides a kind of lubricant oil mist of oil tapping equipment for generator set sliding bearing oil groove, object is that solving the oil sputtered in oil groove is directly sucked by mist of oil tapping equipment, cause oil mist absorbing device filter layer to be destroyed, do not reach the problem of purifying effect.
To achieve these goals, the present invention adopts following technological scheme:
A kind of lubricant oil mist of oil tapping equipment for generator set sliding bearing oil groove, comprise oil groove lid, cover at oil groove and be provided with suction port, relief opening, it is characterized in that, described suction port is provided with air-strainer, and outside air enters in described oil groove after air-strainer filters; Described relief opening is provided with splashproof oil blocking cover, splashproof oil blocking cover is provided with mist of oil tapping equipment; Described splashproof oil blocking cover have circumferentially go along with sb. to guard him portion, be provided with the first joint going along with sb. to guard him outer, top, portion, base plate is provided with bottom the portion of going along with sb. to guard him, labyrinth channel is provided with in the portion of going along with sb. to guard him, labyrinth channel entrance as splashproof oil blocking cover suction port is located at and is gone along with sb. to guard him portion's sidewall, and the labyrinth channel outlet as splashproof oil blocking cover air outlet is located at and is gone along with sb. to guard him top, portion.
Further, described splashproof oil blocking cover have circumferentially go along with sb. to guard him portion, be provided with the first joint going along with sb. to guard him outer, top, portion, base plate is provided with bottom the portion of going along with sb. to guard him, going along with sb. to guard him first frid of portion's inner circumferential layout cross section in " U " shape, the opening of the first frid is towards going along with sb. to guard him center, portion, second frid of cross section in " U " shape is arranged in the first frid inner circumferential, the opening of the second frid is outside the portion of going along with sb. to guard him and the two side of the second frid is arranged in two adjacent first frids, between two adjacent the first frids, between the first frid sidewall with the second corresponding frid bottom land, jointly gas channel is formed between the second frid sidewall with the first corresponding frid bottom land and between two adjacent the second frids, splashproof oil blocking cover suction port is provided with at the portion sidewall of going along with sb. to guard him, splashproof oil blocking cover is located at inside relief opening and all edges of the first joint of splashproof oil blocking cover and relief opening upper end and is connected.
Further, described air-strainer has cylinder, filter layer is provided with in described cylinder air inlet, in cylinder top layout longitudinal section in falling " U " shape or the protective housing of " V " shape of falling, the height of protective housing lower end is less than the height on cylinder top and had gas passage between protective housing inwall and cylinder top, the second joint is provided with in cylinder periphery, wherein, the middle vacancy of gas passage, filter layer, the cylinder excessively that have between protective housing inwall and cylinder top forms gas channel jointly.
Further, primarily efficient filter layer is also provided with at the portion top of going along with sb. to guard him.
Further, described splashproof oil blocking cover suction port is the opening being arranged in some air holes or the some vertical layouts going along with sb. to guard him portion's sidewall.
Further, the first joint is flange plate.
Compared to existing technology, the present invention has following beneficial effect:
1, this splashproof oil blocking cover; adopt labyrinth sealing bottom surface formula structure around; effectively can stop that the oil of sputtering directly enters splashproof oil blocking cover inner; oil groove is back to along the labyrinth channel around splashproof oil blocking cover by the oil stopped; it is inner that mist of oil then enters splashproof oil blocking cover through labyrinth channel, is then separated by mist of oil tapping equipment or other cleaning equipment sucking-off, thus reach the object of purification mist of oil; therefore available protecting mist of oil tapping equipment, improve purifying effect.
2, first, second frid is mutually chimeric arranges, can not only stop that the lubricant oil of sputtering enters mist of oil tapping equipment, and, because it is vertical layout, also serve the oil return of acceleration backflow liquefaction to the effect in oil groove.
3, primarily efficient filter layer can filter the lubricant oil mist of oil in splashproof oil blocking cover, meanwhile, also stop portions can be sputtered onto the liquefaction lubricant oil at this place.
Accompanying drawing explanation
Fig. 1 is mist of oil tapping equipment and splashproof oil blocking cover structural representation.
Fig. 2 is A-A sectional view in Fig. 1.
Fig. 3 is S place enlarged view in Fig. 2.
Fig. 4 is air filtering device structure schematic diagram.
In figure, the direction of arrow represents air-flow direction.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As Figure 1-4, a kind of lubricant oil mist of oil tapping equipment for generator set sliding bearing oil groove, comprise oil groove lid 4, oil groove lid 4 is provided with suction port 100, relief opening 101, described suction port 100 is provided with air-strainer 8(and can adopts air-strainer of the prior art), outside air enters in described oil groove after air-strainer 8 filters, described relief opening 101 is provided with splashproof oil blocking cover 1, splashproof oil blocking cover 1 is provided with mist of oil tapping equipment 7, described splashproof oil blocking cover 1 have circumferentially go along with sb. to guard him portion, be provided with the first joint 5(first joint for being connected with mist of oil tapping equipment by splashproof oil blocking cover going along with sb. to guard him outer, top, portion, then splashproof oil blocking cover and mist of oil tapping equipment are integrally fixed on exhaust ports, by existing techniques in realizing, such as the first joint is flange plate, be fixed on oil groove further after the flange plate of mist of oil tapping equipment is connected with the flange plate of splashproof oil blocking cover to cover, do not describe in detail), base plate 2 is provided with bottom the portion of going along with sb. to guard him, labyrinth channel 3 is provided with in the portion of going along with sb. to guard him, labyrinth channel entrance as splashproof oil blocking cover suction port is located at and is gone along with sb. to guard him portion's sidewall, labyrinth channel outlet as splashproof oil blocking cover air outlet is located at and is gone along with sb. to guard him top, portion.
In prior art, labyrinth channel way of realization is more, in the present embodiment in the following way: described splashproof oil blocking cover have circumferentially go along with sb. to guard him portion, be provided with the first joint 5 going along with sb. to guard him outer, top, portion, base plate 2 is provided with bottom the portion of going along with sb. to guard him, going along with sb. to guard him first frid 31 of portion's inner circumferential layout cross section in " U " shape, the opening of the first frid is towards going along with sb. to guard him center, portion, second frid 32 of cross section in " U " shape is arranged in the first frid inner circumferential, the opening of the second frid is outside the portion of going along with sb. to guard him and the two side of the second frid is arranged in two adjacent first frids, between two adjacent the first frids, between the first frid sidewall with the second corresponding frid bottom land, jointly gas channel is formed between the second frid sidewall with the first corresponding frid bottom land and between two adjacent the second frids, splashproof oil blocking cover suction port is provided with at the portion sidewall of going along with sb. to guard him, splashproof oil blocking cover is located at inside relief opening (in oil groove) and the first joint of splashproof oil blocking cover is connected with relief opening upper end week edge.
For air-strainer, except adopting prior art, the present invention can be improved further and be, described air-strainer 8 has cylinder 81, filter layer 82(is provided with for the impurity in filtered air and steam) in described cylinder air inlet (cylinder top), in cylinder top layout longitudinal section in fall " U " shape or fall the protective housing 83(of " V " shape for stopping that outside larger foreign matter enters the intake grill of cylinder), the height of protective housing lower end is less than the height on cylinder top and had gas passage between protective housing inwall and cylinder top, the second joint 84 is provided with in cylinder periphery, second joint is used for air-strainer to be fixedly connected on suction port, form by existing techniques in realizing is more, such as the second joint can adopt the form of flange plate, wherein, what have between protective housing inwall and cylinder top crosses gas passage, filter layer, the middle vacancy of cylinder forms gas channel jointly, gas enters in oil groove from this passage.
May occur liquid lubricant to filter splashproof oil blocking cover air outlet place, the present invention can be improved further and be, is also provided with primarily efficient filter layer 6 at the portion top of going along with sb. to guard him.
The present invention can be improved further and be, described splashproof oil blocking cover suction port is the opening being arranged in some air holes or the some vertical layouts going along with sb. to guard him portion's sidewall, and advantage is to avoid the lubricant oil sputtered to enter splashproof oil blocking cover in a large number.
Working procedure of the present invention is as follows: splashproof shelves oil cover is arranged on generator oil groove lid 4, be prior art as this equipment of mist of oil tapping equipment 7(, be not described further) preposition equipment, after installing, in oil groove, the oil of sputtering is blocked by the sidewall of labyrinth channel, then be back to downwards in oil groove along labyrinth channel, the gas that oil groove includes mist of oil then enters splashproof oil blocking cover inside through labyrinth channel, then filter through primarily efficient filter layer, finally enter mist of oil tapping equipment to be separated, after the mist of oil condensation that mist of oil tapping equipment is separated, be back to splashproof oil blocking cover inner, sidewall again along labyrinth channel passes back in oil groove.Because oil groove includes the gas of mist of oil by mist of oil tapping equipment 7 sucking-off isolation of purified, make to form negative pressure in oil groove.So outside air constantly enters in oil groove through air-strainer 8, supplement the air of oil groove internal loss, reach air pressure balance.Outside air constantly enters oil groove, again by mist of oil tapping equipment 7 constantly sucking-off, thus takes away heat and mist of oil, reaches the object of cooling and purification mist of oil.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. the lubricant oil mist of oil tapping equipment for generator set sliding bearing oil groove, comprise oil groove lid (4), oil groove lid (4) is provided with suction port (100), relief opening (101), it is characterized in that, described suction port (100) is provided with air-strainer (8), and outside air enters in described oil groove after air-strainer (8) filters; Described relief opening (101) is provided with splashproof oil blocking cover (1), splashproof oil blocking cover (1) is provided with mist of oil tapping equipment (7); Described splashproof oil blocking cover (1) have circumferentially go along with sb. to guard him portion, be provided with the first joint (5) going along with sb. to guard him outer, top, portion, base plate (2) is provided with bottom the portion of going along with sb. to guard him, labyrinth channel (3) is provided with in the portion of going along with sb. to guard him, labyrinth channel entrance as splashproof oil blocking cover suction port is located at and is gone along with sb. to guard him portion's sidewall, and the labyrinth channel outlet as splashproof oil blocking cover air outlet is located at and is gone along with sb. to guard him top, portion.
2. the lubricant oil mist of oil tapping equipment for generator set sliding bearing oil groove according to claim 1, it is characterized in that, described splashproof oil blocking cover have circumferentially go along with sb. to guard him portion, be provided with the first joint (5) going along with sb. to guard him outer, top, portion, base plate (2) is provided with bottom the portion of going along with sb. to guard him, going along with sb. to guard him first frid (31) of portion's inner circumferential layout cross section in " U " shape, the opening of the first frid is towards going along with sb. to guard him center, portion, second frid (32) of cross section in " U " shape is arranged in the first frid inner circumferential, the opening of the second frid is outside the portion of going along with sb. to guard him and the two side of the second frid is arranged in two adjacent first frids, between two adjacent the first frids, between the first frid sidewall with the second corresponding frid bottom land, jointly gas channel is formed between the second frid sidewall with the first corresponding frid bottom land and between two adjacent the second frids, splashproof oil blocking cover suction port is provided with at the portion sidewall of going along with sb. to guard him, splashproof oil blocking cover is located at inside relief opening and all edges of the first joint of splashproof oil blocking cover and relief opening upper end and is connected.
3. the lubricant oil mist of oil tapping equipment for generator set sliding bearing oil groove according to claim 1, it is characterized in that, described air-strainer (8) has cylinder (81), filter layer (82) is provided with in described cylinder air inlet, in cylinder top layout longitudinal section in falling " U " shape or the protective housing (83) of " V " shape of falling, the height of protective housing lower end is less than the height on cylinder top and had gas passage between protective housing inwall and cylinder top, the second joint (84) is provided with in cylinder periphery, wherein, what have between protective housing inwall and cylinder top crosses gas passage, filter layer, the middle vacancy of cylinder forms gas channel jointly.
4. the lubricant oil mist of oil tapping equipment for generator set sliding bearing oil groove according to claim 2, is characterized in that, be also provided with primarily efficient filter layer (6) at the portion top of going along with sb. to guard him.
5. the lubricant oil mist of oil tapping equipment for generator set sliding bearing oil groove according to claim 2, is characterized in that, described splashproof oil blocking cover suction port is the opening being arranged in some air holes or the some vertical layouts going along with sb. to guard him portion's sidewall.
6., according to the arbitrary described lubricant oil mist of oil tapping equipment for generator set sliding bearing oil groove of claim 1-5, it is characterized in that, the first joint is flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310166511.6A CN103216720B (en) | 2013-05-08 | 2013-05-08 | Lubricating-oil mist discharging device for oil groove of sliding bearing of generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310166511.6A CN103216720B (en) | 2013-05-08 | 2013-05-08 | Lubricating-oil mist discharging device for oil groove of sliding bearing of generator set |
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| Publication Number | Publication Date |
|---|---|
| CN103216720A CN103216720A (en) | 2013-07-24 |
| CN103216720B true CN103216720B (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310166511.6A Active CN103216720B (en) | 2013-05-08 | 2013-05-08 | Lubricating-oil mist discharging device for oil groove of sliding bearing of generator set |
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| CN (1) | CN103216720B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674036B (en) * | 2016-03-30 | 2020-06-05 | 何凯 | Method for collecting oil mist of bearing oil groove of water turbine generator and oil mist collecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729409Y (en) * | 2004-09-21 | 2005-09-28 | 四川东风电机厂有限公司 | Thrust bearing of high-speed hydroelectric generating set |
| CN101625029A (en) * | 2008-07-07 | 2010-01-13 | 吴雳鸣 | Self-sucking type oil mist sealing purifier |
| CN102218251A (en) * | 2011-07-07 | 2011-10-19 | 张宏伟 | Straight emission type oil fog absorption device |
| CN202266363U (en) * | 2011-09-30 | 2012-06-06 | 东方电气集团东方电机有限公司 | Oil tank cap capable of preventing oil mist |
| CN202561414U (en) * | 2012-05-21 | 2012-11-28 | 张宏伟 | Combined oil mist sealing and collecting device |
| CN203215240U (en) * | 2013-05-08 | 2013-09-25 | 张宏伟 | Lubricating-oil mist exhausting device for generator-set sliding bearing oil groove |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5830600A (en) * | 1981-08-14 | 1983-02-23 | Hitachi Ltd | Oil leakage preventing apparatus for bearing |
| JP2003028387A (en) * | 2001-07-16 | 2003-01-29 | Mitsubishi Electric Corp | Oil mist preventing device for rotary electric machine |
| JP2004068986A (en) * | 2002-08-08 | 2004-03-04 | Nippon Koei Co Ltd | Oil mist cutoff device for bearing in power generator |
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2013
- 2013-05-08 CN CN201310166511.6A patent/CN103216720B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729409Y (en) * | 2004-09-21 | 2005-09-28 | 四川东风电机厂有限公司 | Thrust bearing of high-speed hydroelectric generating set |
| CN101625029A (en) * | 2008-07-07 | 2010-01-13 | 吴雳鸣 | Self-sucking type oil mist sealing purifier |
| CN102218251A (en) * | 2011-07-07 | 2011-10-19 | 张宏伟 | Straight emission type oil fog absorption device |
| CN202266363U (en) * | 2011-09-30 | 2012-06-06 | 东方电气集团东方电机有限公司 | Oil tank cap capable of preventing oil mist |
| CN202561414U (en) * | 2012-05-21 | 2012-11-28 | 张宏伟 | Combined oil mist sealing and collecting device |
| CN203215240U (en) * | 2013-05-08 | 2013-09-25 | 张宏伟 | Lubricating-oil mist exhausting device for generator-set sliding bearing oil groove |
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| CN103216720A (en) | 2013-07-24 |
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Effective date of registration: 20190408 Address after: 400054 Fourteenth Society of Huaxi Xianfeng Village, Banan District, Chongqing Patentee after: Chongqing Huaneng Hydroelectric Equipment Manufacturing Co., Ltd. Address before: 400054 Chongqing Huaneng Hydropower Equipment Manufacturing Co., Ltd. Transfer Patentee before: Zhang Hongwei |