CN105275715A - Guide bearing external circulation spraying and cooling structure - Google Patents
Guide bearing external circulation spraying and cooling structure Download PDFInfo
- Publication number
- CN105275715A CN105275715A CN201510751263.0A CN201510751263A CN105275715A CN 105275715 A CN105275715 A CN 105275715A CN 201510751263 A CN201510751263 A CN 201510751263A CN 105275715 A CN105275715 A CN 105275715A
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- guide bearing
- pipe
- external circulation
- cooling structure
- tube
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a guide bearing external circulation spraying and cooling structure which comprises a three-way pipe, a branch pipe, a flow pump, a guide bearing bush, a spray pipe, a thrust rotor, a ring pipe, spray holes and an external circulation pipe. The guide bearing external circulation spraying and cooling structure is characterized in that the branch pipe is arranged at one end of the external circulation pipe and connected with the external circulation pipe; the three-way pipe is arranged at one end of the branch pipe and connected with the branch pipe; the flow pump is arranged on the external circulation pipe and connected with the external circulation pipe; the ring pipe is arranged above the guide bearing bush and connected with the other end of the external circulation pipe; the spray pipe is arranged on one side of the ring pipe and fixedly connected with the ring pipe; the spray holes are formed in the spray pipe. The guide bearing external circulation spraying and cooling structure has the advantages that the three spray holes are formed in the spray pipe from top to bottom, so that the whole guide bearing bush is cooled more uniformly, the running temperature of the guide bearing bush can be lowered by 10-15 DEG C on the condition of occupying the equal size, and the cooling effect is uniform.
Description
Technical field
The present invention relates to mechanism of power generation technology for making field, particularly relate to a kind of guide bearing outer circulation spraying cooling structure.
Background technique
At present, guide bearing is one of critical component of turbine-generator units, the cooling of guide bearing block is the problem that guide bearing relates to outbalance, the height of its temperature is also directly connected to the safe operation of unit, current known guide bearing is radial imbalance force and the electromagnetic unbalance power that hydraulic turbine generator is used for bearing unit rotating part, and unit axis is swung within the scope of specified value.It is spacing that turbine-generator units generally needs the displacement of countershaft substantially horizontal to carry out, so need guide bearing to complete limit function, guide bearing can produce a large amount of heats at work, and guide bearing is for bearing radial imbalance force, and lubrication is provided, make rotating part smooth rotation.When rotating part High Rotation Speed, can produce a lot of heat with guide bearing friction, carry out cooling guide shoe with regard to needs, therefore guide bearing needs heat dissipation design.
At present about the cooling of guide bearing, employing be mostly guide bearing in the upper outside hydronic method of large-sized unit, but due to cold oil circulation route not smooth; guide bearing temperature is relatively high; when guide bearing block is burnt because temperature is too high, just by forced-stopping machine, huge economic loss can only be caused.The box-type water-cooled but device that traditional guide bearing needs design complicated, not only considerably increases motor cost and complexity, has also increased considerably the demand of Industrial cleaning facility water; Especially in drought and water shortage region, inland, add the operation expense of motor guide bearing, and waste is caused to local valuable water resources.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, provide a kind of guide bearing outer circulation spraying cooling structure, the present invention adopts spraying cooling, instead of the thrust rotor oilhole circulating cooling of traditional approach, directly cold oil is caused guide bearing, circulation route shortens also more direct.The present invention adopts cold oil spraying cooling, can not cause waste to the water resources of drought and water-scarce area preciousness.
Technological scheme of the present invention is: a kind of guide bearing outer circulation spraying cooling structure, comprise: three-way pipe, arm, flow pump, guide bearing, jet pipe, thrust rotor, endless tube, spray orifice and outer circulating tube, it is characterized in that: described outer circulating tube one end is provided with arm, described arm and outer circulating tube are interconnected, described arm one end is provided with three-way pipe, described three-way pipe and arm are interconnected, described outer circulating tube is provided with flow pump, described flow pump and outer circulating tube are interconnected, described endless tube is arranged at above guide bearing, described endless tube and the described outer circulating tube the other end are interconnected, described endless tube side is provided with jet pipe, described jet pipe and described endless tube are mutually permanently connected, described jet pipe is provided with spray orifice, described guide bearing side is provided with thrust rotor.
Further, described spray orifice is provided with three.
Further, the material of described three-way pipe is stainless steel.
Further, the material of described endless tube is stainless steel.
Beneficial effect of the present invention is:
1. the present invention adopts spraying cooling, instead of the thrust rotor oilhole circulating cooling of traditional approach, directly cold oil is caused guide bearing, and circulation route shortens also more direct.The present invention adopts cold oil spraying cooling, can not cause waste to the water resources of drought and water-scarce area preciousness.
2. the present invention arranges three spray orifices from top to bottom on jet pipe, whole guide bearing is cooled more even, can reduce 10-15 DEG C in the running temperature occupying comparable size condition down guide bearing bush, has the uniform advantage of cooling effect.
3. the present invention utilizes arm to draw three-way pipe branch in outer circulating tube one end, and arranges the cold oil that flow pump controls to cause guide bearing wherein, and arranges endless tube on guide bearing, and it can make isostasy and structural safety is reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: 1, three-way pipe 2, arm 3, flow pump
4, guide bearing 5, jet pipe 6, thrust rotor
7, endless tube 8, spray orifice 9, outer circulating tube
Embodiment
Below in conjunction with accompanying drawing, brief description is made to the specific embodiment of the present invention.
As shown in Figure 1, a kind of guide bearing outer circulation spraying cooling structure, comprise: three-way pipe 1, arm 2, flow pump 3, guide bearing 4, jet pipe 5, thrust rotor 6, endless tube 7, spray orifice 8 and outer circulating tube 9, it is characterized in that: described outer circulating tube 9 one end is provided with arm 2, described arm 2 is interconnected with outer circulating tube 9, described arm 2 one end is provided with three-way pipe 1, described three-way pipe 1 is interconnected with arm 2, described outer circulating tube 9 is provided with flow pump 3, described flow pump 3 is interconnected with outer circulating tube 9, described endless tube 7 is arranged at above guide bearing 4, described endless tube 7 is interconnected with described outer circulating tube 9 the other end, described endless tube 7 side is provided with jet pipe 5, described jet pipe 5 is mutually permanently connected with described endless tube 7, described jet pipe 5 is provided with spray orifice 8, described guide bearing 4 side is provided with thrust rotor 6.
The present invention is provided with arm in external circulation line one end, and arm and outer circulating tube are interconnected, and arm one end is provided with three-way pipe, utilizes three-way pipe to draw branch.The present invention is provided with flow pump on outer circulating tube, and arranges the cold oil that flow pump controls to cause guide bearing wherein, and arranges endless tube on guide bearing.Arranging of endless tube can make isostasy, and between each guide bearing, arranges jet pipe at endless tube.Jet pipe is arranged along guide bearing axle, jet pipe is provided with three spray orifices from top to bottom, jet pipe and thrust rotor are interconnected, cold oil is sprayed onto on thrust rotor by spray orifice by jet pipe, and by thrust rotor rotation, cold oil is taken on guide bearing, to reach the object of cooling guide bearing, this kind of structural safety is reliable.Because the present invention adopts spraying cooling, instead of the thrust rotor oilhole circulating cooling of traditional approach, directly cold oil is caused guide bearing, circulation route shortens also more direct.And be evenly provided with three spray orifices from top to bottom, whole guide bearing is cooled more even.Can 10-15 DEG C be reduced in the running temperature occupying comparable size condition down guide bearing bush, there is the uniform advantage of cooling effect.The present invention draws branch from external circulation line, and arranges endless tube above guide bearing, and endless tube is welded with jet pipe, utilizes three spray orifices arranged above jet pipe to carry out the cooling of guide bearing.Compare its cooling effectiveness of conventional construction so more efficient, and holistic cost being not high, easily arranges, is the preferred option of guide bearing outer circulation cooling.
Above embodiment, only in order to technological scheme of the present invention to be described, can not limit scope of the present invention with this; To the amendment that the technological scheme described in foregoing embodiments is carried out, or to the equivalent replacement that wherein portion of techniques feature is carried out, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme, all should still remain within the scope of the patent.
Claims (4)
1. a guide bearing outer circulation spraying cooling structure, comprise: three-way pipe, arm, flow pump, guide bearing, jet pipe, thrust rotor, endless tube, spray orifice and outer circulating tube, it is characterized in that: described outer circulating tube one end is provided with arm, described arm and outer circulating tube are interconnected, described arm one end is provided with three-way pipe, described three-way pipe and arm are interconnected, described outer circulating tube is provided with flow pump, described flow pump and outer circulating tube are interconnected, described endless tube is arranged at above guide bearing, described endless tube and the described outer circulating tube the other end are interconnected, described endless tube side is provided with jet pipe, described jet pipe and described endless tube are mutually permanently connected, described jet pipe is provided with spray orifice, described guide bearing side is provided with thrust rotor.
2., according to a kind of guide bearing outer circulation spraying cooling structure described in claim 1, it is characterized in that: described spray orifice is provided with three.
3., according to a kind of guide bearing outer circulation spraying cooling structure described in claim 1, it is characterized in that: the material of described three-way pipe is stainless steel.
4., according to a kind of guide bearing outer circulation spraying cooling structure described in claim 1, it is characterized in that: the material of described endless tube is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510751263.0A CN105275715B (en) | 2015-11-03 | 2015-11-03 | A kind of guide bearing outer circulation spraying cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510751263.0A CN105275715B (en) | 2015-11-03 | 2015-11-03 | A kind of guide bearing outer circulation spraying cooling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105275715A true CN105275715A (en) | 2016-01-27 |
| CN105275715B CN105275715B (en) | 2019-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510751263.0A Active CN105275715B (en) | 2015-11-03 | 2015-11-03 | A kind of guide bearing outer circulation spraying cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105275715B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179444A (en) * | 1998-12-15 | 2000-06-27 | Fuji Electric Co Ltd | Bearing cooling device for vertical axis type rotary machine |
| CN1924346A (en) * | 2006-09-11 | 2007-03-07 | 四川东风电机厂有限公司 | Cooling system for hydraulic generator set thrust bearing |
| CN201025222Y (en) * | 2007-03-30 | 2008-02-20 | 天津市天发重型水电设备制造有限公司 | Push force bearing cooling structure for vertical water wheel generation unit |
| CN201218163Y (en) * | 2008-05-30 | 2009-04-08 | 浙江金轮机电实业有限公司 | Guide bearing with oil supply by pitot tube |
| CN201461208U (en) * | 2009-07-29 | 2010-05-12 | 哈尔滨电机厂有限责任公司 | Bearing bush clapboard device of outer circulating cooling system of water wheel generator thrust bearing external pump |
| CN102678767A (en) * | 2011-12-24 | 2012-09-19 | 河南科技大学 | Radiating method for rolling bearing |
| JP5323154B2 (en) * | 2011-09-02 | 2013-10-23 | 中国電力株式会社 | Oil smoke recovery device |
| CN204458186U (en) * | 2015-02-16 | 2015-07-08 | 国家电网公司 | Thrust-bearing guide shoe self-pump type outer circulation jet-loop cooling system |
-
2015
- 2015-11-03 CN CN201510751263.0A patent/CN105275715B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179444A (en) * | 1998-12-15 | 2000-06-27 | Fuji Electric Co Ltd | Bearing cooling device for vertical axis type rotary machine |
| CN1924346A (en) * | 2006-09-11 | 2007-03-07 | 四川东风电机厂有限公司 | Cooling system for hydraulic generator set thrust bearing |
| CN201025222Y (en) * | 2007-03-30 | 2008-02-20 | 天津市天发重型水电设备制造有限公司 | Push force bearing cooling structure for vertical water wheel generation unit |
| CN201218163Y (en) * | 2008-05-30 | 2009-04-08 | 浙江金轮机电实业有限公司 | Guide bearing with oil supply by pitot tube |
| CN201461208U (en) * | 2009-07-29 | 2010-05-12 | 哈尔滨电机厂有限责任公司 | Bearing bush clapboard device of outer circulating cooling system of water wheel generator thrust bearing external pump |
| JP5323154B2 (en) * | 2011-09-02 | 2013-10-23 | 中国電力株式会社 | Oil smoke recovery device |
| CN102678767A (en) * | 2011-12-24 | 2012-09-19 | 河南科技大学 | Radiating method for rolling bearing |
| CN204458186U (en) * | 2015-02-16 | 2015-07-08 | 国家电网公司 | Thrust-bearing guide shoe self-pump type outer circulation jet-loop cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105275715B (en) | 2019-01-04 |
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