CN107917034A - A kind of cooling device for hydrogenerator main shaft - Google Patents
A kind of cooling device for hydrogenerator main shaft Download PDFInfo
- Publication number
- CN107917034A CN107917034A CN201711240249.XA CN201711240249A CN107917034A CN 107917034 A CN107917034 A CN 107917034A CN 201711240249 A CN201711240249 A CN 201711240249A CN 107917034 A CN107917034 A CN 107917034A
- Authority
- CN
- China
- Prior art keywords
- bearing block
- main shaft
- water
- bearing
- cooling
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/20—Heat transfer, e.g. cooling
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a kind of cooling device for hydrogenerator main shaft, including bearing and bearing block, the bearing to be installed on the main shaft of generator, and the bearing sleeve is arranged on the bearing, wherein：The bearing block is provided with water inlet, water outlet and cooling chamber, and the water inlet and the water outlet are arranged on the side wall of the bearing block, and the cooling chamber is arranged at the inside of the bearing block, and the cooling chamber is communicated with the water inlet and the water outlet.The water inlet is located in the right wall of the bearing block, and the water outlet is located in the left wall of the bearing block.The water inlet is with the water outlet with the symmetrical setting of the axial line of the bearing block.The present invention from water inlet by being passed through cooling water, and cooling water is flowed in cooling chamber in order to absorb the heat of main shaft generation, and the cooling water for carrying heat is discharged by water outlet, so as to carry out cooling down to main shaft.
Description
Technical field
The present invention relates to hydroelectric generator, more particularly to a kind of cooling device for hydrogenerator main shaft.
Background technology
In existing water-power plant, majority is generated electricity using hydrogenerator, as shown in Figure 1, in water wheels passage 4
Middle flowing water body impact water wheels are so that water wheels rotate, and water wheels are during rotation by turning in the drive generator 1 of main shaft 2
Son is rotated, and cutting magnetic induction line in rotor rotation process is so as to produce electricl energy.Since main shaft is chronically at rotary state, time
Long its can generate heat, and fail to take corresponding measure to radiate it in the prior art, if main shaft hot soak condition,
Its working life will reduce.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is an object of the invention to provide a kind of cooling device for hydrogenerator main shaft, so as to overcome the prior art
Middle main shaft hot soak condition, radiating condition is poor, is easy to cause the shortcomings that working life reduces.
To achieve the above object, the present invention provides a kind of cooling device for hydrogenerator main shaft, including bearing
And bearing block, the bearing are installed on the main shaft of generator, the bearing sleeve is arranged on the bearing, its feature exists
In：The bearing block is provided with water inlet, water outlet and cooling chamber, and the water inlet and the water outlet are arranged at the axis
On the side wall of bearing, the cooling chamber is arranged at the inside of the bearing block, the cooling chamber and the water inlet and it is described go out
The mouth of a river communicates.
Preferably, in above-mentioned technical proposal, the water inlet is located in the right wall of the bearing block, and the water outlet is located at
In the left wall of the bearing block.
Preferably, in above-mentioned technical proposal, the water inlet is with the water outlet with the axial line of the bearing block in a left side
The right side is symmetrical arranged.
Preferably, in above-mentioned technical proposal, the cooling chamber is ring-shaped.
Preferably, in above-mentioned technical proposal, the bearing block is provided with floor, and the bearing block is fixed by the floor
Installation.
Compared with prior art, the present invention has the advantages that：
1st, a kind of cooling device for hydrogenerator main shaft of the invention, it is cold by being passed through cooling water from water inlet
But water is flowed in cooling chamber in order to absorb the heat of main shaft generation, and the cooling water for carrying heat is discharged by water outlet, from
And cooling down can be carried out to main shaft.
2nd, water inlet of the invention and water outlet is are symmetrical set, in order to extend cooling water in cooling chamber
Flow, so as to improve cooling effectiveness.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of cooling device for hydrogenerator main shaft of the present invention is connected with generator
Figure.
Fig. 2 is the structure diagram of the bearing block of the present invention.
Fig. 3 is the right view of Fig. 2.
Main Reference Numerals explanation：
1- generators, 2- main shafts, 3- bearing blocks, 4- water stream channels, 31- water inlets, 32- cooling chambers, 33- floors, 34- go out
The mouth of a river.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Protect scope and from the limitation of embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
With reference to figure 1, a kind of cooling device for hydrogenerator main shaft, including bearing and bearing block 3, bearing installation
In on the main shaft 2 of generator 1, bearing block 3 is sheathed on bearing.With reference to figure 2, bearing block 3 is provided with water inlet 31, water outlet 34
And cooling chamber 32, water inlet 31 and water outlet 34 are arranged on the side wall of bearing block 3, cooling chamber 32 is arranged at bearing block 3
Inside, cooling chamber 32 communicates with water inlet 31 and water outlet 34, can be toward being passed through cooling in cooling chamber 32 from water inlet 31
Water, cooling water can absorb the heat of the generation of main shaft 2 in flow process, carry the cooling water of heat finally from 34 row of water outlet
Go out, so as to be cooled down to main shaft 2.
Water inlet 31 is located in the right wall of bearing block 3, and water outlet 34 is located in the left wall of bearing block 3, when 31 note of water inlet
When entering cooling water, cooling water can gradually flow to left wall from right wall, in order to increase the flow area of cooling water, so as to carry
High cooling efficiency.Water inlet 31 is with water outlet 34 with the symmetrical setting of the axial line of bearing block 3, water inlet 31 and water outlet
The distance between 34 is most long, and the injected slurry volume of cooling water is big, long flow path, so as to further improve cooling effectiveness.
Cooling chamber 32 is ring-shaped, and cooling chamber 32 can cover bearing, i.e. cooling chamber 32 can cover what is be connected with bearing
The outer wall of main shaft 2, in order to increase the heat exchange area to main shaft 2, so as to improve cooling effectiveness.
With reference to figure 3, bearing block 3 is provided with floor 33, and bearing block 3 is fixedly mounted by floor 33, and bearing block 3 can be fixed
In on hydrogenerator or mounting platform, in order to improve the stability that bearing and main shaft 2 operate, shaken so as to reduce
It is dynamic, beneficial to the stable operation of mechanism.
It is foregoing to the present invention specific exemplary embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (5)
1. a kind of cooling device for hydrogenerator main shaft, including bearing and bearing block, the bearing are installed on power generation
On the main shaft of machine, the bearing sleeve is arranged on the bearing, it is characterised in that：The bearing block is provided with water inlet, water outlet
Mouth and cooling chamber, the water inlet and the water outlet are arranged on the side wall of the bearing block, and the cooling chamber is arranged at
The inside of the bearing block, the cooling chamber are communicated with the water inlet and the water outlet.
2. the cooling device according to claim 1 for hydrogenerator main shaft, it is characterised in that：The water inlet position
In in the right wall of the bearing block, the water outlet is located in the left wall of the bearing block.
3. the cooling device according to claim 2 for hydrogenerator main shaft, it is characterised in that：The water inlet with
The water outlet is with the symmetrical setting of the axial line of the bearing block.
4. the cooling device according to claim 1 for hydrogenerator main shaft, it is characterised in that：The cooling chamber is
Ring-shaped.
5. the cooling device according to claim 1 for hydrogenerator main shaft, it is characterised in that：The bearing block is set
Floor is equipped with, the bearing block is fixedly mounted by the floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240249.XA CN107917034A (en) | 2017-11-30 | 2017-11-30 | A kind of cooling device for hydrogenerator main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240249.XA CN107917034A (en) | 2017-11-30 | 2017-11-30 | A kind of cooling device for hydrogenerator main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917034A true CN107917034A (en) | 2018-04-17 |
Family
ID=61897175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711240249.XA Pending CN107917034A (en) | 2017-11-30 | 2017-11-30 | A kind of cooling device for hydrogenerator main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107917034A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB782218A (en) * | 1954-06-25 | 1957-09-04 | Guinard Paul Andre | Improvements in bearings |
| CN1447024A (en) * | 2002-03-27 | 2003-10-08 | 张飞狂 | General hydraulic turbine for cooling tower |
| CN2653190Y (en) * | 2003-10-22 | 2004-11-03 | 长沙正中药机厂 | Cooler for hot air blower bearing for sterilizing drying machine |
| JP2007192265A (en) * | 2006-01-18 | 2007-08-02 | Sasakura Engineering Co Ltd | Bearing cooling mechanism of high-speed rotary shaft |
| CN202561045U (en) * | 2012-03-31 | 2012-11-28 | 辽宁三和环境工程有限公司 | Miniature water turbine for cooling towers |
| CN103644137A (en) * | 2013-12-04 | 2014-03-19 | 江苏大学 | Hot water circulating pump suspension body with outer wall provided with cooling water jacket |
-
2017
- 2017-11-30 CN CN201711240249.XA patent/CN107917034A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB782218A (en) * | 1954-06-25 | 1957-09-04 | Guinard Paul Andre | Improvements in bearings |
| CN1447024A (en) * | 2002-03-27 | 2003-10-08 | 张飞狂 | General hydraulic turbine for cooling tower |
| CN2653190Y (en) * | 2003-10-22 | 2004-11-03 | 长沙正中药机厂 | Cooler for hot air blower bearing for sterilizing drying machine |
| JP2007192265A (en) * | 2006-01-18 | 2007-08-02 | Sasakura Engineering Co Ltd | Bearing cooling mechanism of high-speed rotary shaft |
| CN202561045U (en) * | 2012-03-31 | 2012-11-28 | 辽宁三和环境工程有限公司 | Miniature water turbine for cooling towers |
| CN103644137A (en) * | 2013-12-04 | 2014-03-19 | 江苏大学 | Hot water circulating pump suspension body with outer wall provided with cooling water jacket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180417 |
|
| RJ01 | Rejection of invention patent application after publication |