CN104500316B - Water-turbine generator set - Google Patents
Water-turbine generator set Download PDFInfo
- Publication number
- CN104500316B CN104500316B CN201410824556.2A CN201410824556A CN104500316B CN 104500316 B CN104500316 B CN 104500316B CN 201410824556 A CN201410824556 A CN 201410824556A CN 104500316 B CN104500316 B CN 104500316B
- Authority
- CN
- China
- Prior art keywords
- generator
- bearing
- turbine
- bearing housing
- main shaft
- 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.)
- Expired - Fee Related
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
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- 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
-
- 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)
- Hydraulic Turbines (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a water-turbine generator set which comprises a power generator, a water turbine (1) and a mounting table (2), wherein the power generator and the water turbine (1) are respectively mounted at the upper part and the lower part of the mounting table (2); the power generator is a permanent magnetic direct driving hydraulic power generator (3); a power generator base (4) which is mounted on the mounting base (2) is further arranged between the permanent magnetic direct driving hydraulic power generator (3) and the water turbine (1); the permanent magnetic direct driving hydraulic power generator (3) is mounted on the power generator base (4); a bearing box is arranged in the power generator base (4); the output shaft and the input shaft of the bearing box are respectively connected with the input shaft of the permanent magnetic direct driving hydraulic power generator (3) and the output shaft of the water turbine (1); a main shaft water resistor is further arranged on a shaft hole between the bearing box and the water turbine (1). The water-turbine generator set is high in power generation efficiency.
Description
Technical field
The present invention relates to a kind of device that water can be converted to electric energy, be especially a kind of turbine-generator units.
Background technology
The turbine-generator units of prior art includes synchronous generator, the hydraulic turbine and the erecting bed poured by cement, institute
Synchronous generator, the hydraulic turbine stated are installed on erecting bed；The power input shaft of described synchronous generator, the hydraulic turbine dynamic
Power output shaft is all connected by shaft coupling.During use, drive rotary wheel of water turbine to rotate by current, and then drive electromotor to enter
Row generating.The turbine-generator units of said structure has the disadvantage that due in different seasons during actual use,
The head in power station can be continually changing.The hydraulic turbine is when the optimized rotating speed that different head is corresponding, and its efficiency is the highest.By
In the rotating speed of synchronous generator, mains frequency to be met (50Hz) requirement.Its rotating speed is specified constant.When head deviates
During rated head, the efficiency of the hydraulic turbine will reduce.
Summary of the invention
The technical problem to be solved in the present invention is to provide the turbine-generator units that a kind of generating efficiency is high.
The technical scheme is that, it is provided that a kind of turbine-generator units, including electromotor, the hydraulic turbine and erecting bed, institute
Electromotor, the hydraulic turbine stated are separately mounted to erecting bed upper and lower；Described electromotor is permanent magnet direct-drive hydroelectric generator；
Be additionally provided with a generator stand being arranged on erecting bed between described permanent magnet direct-drive hydroelectric generator and the hydraulic turbine, described forever
Magnetic straight expelling water power generator is arranged on generator stand；A bearing housing it is provided with, described bearing housing defeated in described generator stand
Shaft and power shaft are connected with the power shaft of permanent magnet direct-drive hydroelectric generator, the output shaft of the hydraulic turbine respectively；Described bearing housing
And it is additionally provided with main shaft water blocking device on the axis hole between the hydraulic turbine.
The inner chamber body of a closing it is provided with in described generator stand；Described bearing housing is located in inner chamber body；Described bearing housing
Including a bearing housing casing, a main shaft, an oil-sealing sleeve, a thrust bearing, Sleeve assembling assembly and a capping；Described
Bearing housing casing is arranged on the bottom of inner chamber body；Described oil-sealing sleeve is fixed on bearing housing casing；Described bearing housing casing
Upper end is connected with Sleeve assembling assembly；The upper end of described Sleeve assembling assembly is also connected with capping；Described oil-sealing sleeve is socketed in
On main shaft；Described thrust bearing is socketed in outside oil-sealing sleeve；Described thrust bearing is also connected with Sleeve assembling assembly；Described
Cooler it is additionally provided with in inner chamber body.
Described Sleeve assembling assembly also includes bearing shell fixed mount and is made up of babbit and is trapped among the guide bearing block outside main shaft,
The outward flange of described bearing shell fixed mount is connected with bearing housing casing, and the inward flange of described bearing shell fixed mount is connected with guide bearing block；Institute
The guide bearing block stated is provided with multiple confession lubricating oil and passes through eccentric orfice；The top of described guide bearing block is connected with capping；Described guide bearing block
Bottom be connected with thrust bearing.
It is additionally provided with breather on described bearing shell fixed mount.
Described cooler includes a fin, a water inlet pipe and an outlet pipe, described water inlet pipe, outlet pipe all with heat radiation
Sheet connects；The mouth of pipe of described water inlet pipe and the mouth of pipe of an outlet pipe are each provided at outside bearing housing casing.
The fore-set of a pushing tow thrust bearing it is also associated with between described thrust bearing and bearing housing casing.
Described main shaft water blocking device includes a support being fixed on the axis hole of erecting bed and the upper sealing being socketed on main shaft
Part and lower seal；Described upper sealing member is connected by a connection piece with lower seal；Described upper sealing member, lower seal
Also it is connected with support；Described upper sealing member be also arranged above a sealing lid preventing sealing member, lower seal from deviating from；Institute
The sealing lid stated also is connected with support.
After using above structure, the present invention compared with prior art, has the advantage that
Turbine-generator units of the present invention uses permanent magnet direct-drive hydroelectric generator, and by a bearing housing by permanent magnet direct-drive waterpower
Electromotor is connected with the hydraulic turbine.Due to permanent magnet direct-drive hydroelectric generator, by internal control inverter, make the hydraulic turbine in difference
Head operating mode under, be maintained under corresponding rotating speed operation.Therefore, when head changes, permanent magnet direct-drive hydroelectric generator can change
Become its rotating speed to adapt to generation frequency, so that the hydraulic turbine is maintained at high efficient area and runs, it is ensured that the generating of turbine-generator units
Efficiency is high.Permanent magnet direct-drive hydroelectric generator uses high-performance rare-earth magnet steel, and efficiency is high, and compact conformation, envelope-bulk to weight ratio electricity is encouraged
Magnetic generator declines 50%, reduces cost.It addition, the use of bearing housing makes the reliability of turbine-generator units of the present invention
It is improved.
Accompanying drawing explanation
Fig. 1 is the broken section structural representation of turbine-generator units of the present invention.
Fig. 2 is the broken section structural representation of bearing housing.
Fig. 3 is the enlarged diagram in A portion in Fig. 1.
Shown in figure 1, the hydraulic turbine, 2, erecting bed, 3, permanent magnet direct-drive hydroelectric generator, 4, generator stand, 5, interior
Cavity, 6, bearing housing casing, 7, main shaft, 8, oil-sealing sleeve, 9, thrust bearing, 10, capping, 11, bearing shell fixed mount,
12, guide bearing block, 13, eccentric orfice, 14, breather, 15, fin, 16, water inlet pipe, 17, outlet pipe, 18,
Fore-set, 19, support, 20, upper sealing member, 21, lower seal, 22, connector, 23, seal lid, 24, buffer stopper.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, one turbine-generator units of the present invention, including electromotor, the hydraulic turbine 1 and peace
Dress platform 2, general being poured by cement of erecting bed 2 forms, and is typically commonly called as turbine chamber ground, power station, and which floor this bottom surface watered by
The cement plate of note is constituted；Erecting bed 2 has two grades of flat boards, below one-level flat board be used for the hydraulic turbine 1 is installed, above one-level flat board
Generator stand 4, bearing housing are installed；Described electromotor, the hydraulic turbine 1 are separately mounted to erecting bed 2 upper and lower；Spiral shell
Bolt is installed；Described electromotor is permanent magnet direct-drive hydroelectric generator 3；Described permanent magnet direct-drive hydroelectric generator 3 and water
Being additionally provided with a generator stand 4 being arranged on erecting bed 2 between turbine 1, described permanent magnet direct-drive hydroelectric generator 3 is installed
On generator stand 4, i.e. the lower end of permanent magnet direct-drive hydroelectric generator 3 is arranged on generator stand 4, generator stand 4 times
End is arranged on erecting bed 2；A bearing housing, the output shaft of described bearing housing and power shaft it is provided with in described generator stand 4
It is connected with power shaft, the output shaft of the hydraulic turbine 1 of permanent magnet direct-drive hydroelectric generator 3 respectively；Described bearing housing and the hydraulic turbine
Main shaft water blocking device it is additionally provided with on axis hole between 1.
The inner chamber body 5 of a closing it is provided with in described generator stand 4；Described bearing housing is located in inner chamber body 5；Described
Bearing housing includes bearing housing casing 6, main shaft 7, oil-sealing sleeve 8, thrust bearing 9, Sleeve assembling assembly and
Capping 10；Described bearing housing casing 6 is arranged on the bottom of inner chamber body 5；Described oil-sealing sleeve 8 is fixed on bearing housing casing
On 6；The upper end of described bearing housing casing 6 is connected with Sleeve assembling assembly；The upper end of described Sleeve assembling assembly also with capping
10 connect；Described oil-sealing sleeve 8 is socketed on main shaft 7；Described thrust bearing 9 is socketed in outside oil-sealing sleeve 8；Described
Thrust bearing 9 is also connected with Sleeve assembling assembly；It is additionally provided with cooler in described inner chamber body 5.
Described Sleeve assembling assembly also includes bearing shell fixed mount 11 and is made up of babbit and is trapped among leading outside main shaft 7
Bearing shell 12, in the present embodiment, guide bearing block 12 is made up of multi-disc bearing shell, and every bearing shell is equipped with an eccentric orfice, so that
Oily easily by.
The outward flange of described bearing shell fixed mount 11 is connected with bearing housing casing 6, the inward flange of described bearing shell fixed mount 11 with lead
Bearing shell 12 connects；Described guide bearing block 12 is provided with multiple confession lubricating oil by eccentric orfice 13；Described guide bearing block 12 upper
Portion is connected with capping 10；The bottom of described guide bearing block 12 is connected with thrust bearing 9, in the present embodiment, and guide bearing block 12
Bottom and thrust bearing 9 between be provided with buffer stopper 24.
Being additionally provided with breather 14 on described bearing shell fixed mount 11, this breather 14 can be a columnar member, cylindricality
Passage is had in part.
Described cooler includes fin 15, water inlet pipe 16 and an outlet pipe 17, described water inlet pipe 16, water outlet
Pipe 17 all connects with fin 15；The mouth of pipe of described water inlet pipe 16 and the mouth of pipe of an outlet pipe 17 are each provided at bearing housing case
Outside body 6.
The fore-set 18 of a pushing tow thrust bearing 9, fore-set it is also associated with between described thrust bearing 9 and bearing housing casing 6
The upper end of 18 offsets with reasoning bearing 9, and the lower end of fore-set 18 is connected with bearing housing casing 6.
Described main shaft water blocking device includes the support 19 on an axis hole being fixed on erecting bed 2 and is socketed on main shaft 7
Upper sealing member 20 and lower seal 21；Described upper sealing member 20 is connected by a connection piece 22 with lower seal 21；Described
Upper sealing member 20, lower seal 21 is also connected with support 19；Being also arranged above of described upper sealing member 20 one prevents
The sealing lid 23 of sealing member 20, lower seal 21 abjection；Described sealing lid 23 is also connected with support 19.
Below only highly preferred embodiment of the present invention is described, but is not to be construed as limitations on claims.The present invention
Being not limited only to above example, its concrete structure allows to change.In every case in the protection domain of independent claims of the present invention
The various changes made are the most within the scope of the present invention.
Claims (6)
1. a turbine-generator units, including electromotor, the hydraulic turbine (1) and erecting bed (2), described electromotor,
The hydraulic turbine (1) is separately mounted to erecting bed (2) upper and lower；It is characterized in that: described electromotor is permanent magnet direct-drive
Hydroelectric generator (3)；It is additionally provided with one between described permanent magnet direct-drive hydroelectric generator (3) and the hydraulic turbine (1) and is arranged on peace
Generator stand (4) on dress platform (2), described permanent magnet direct-drive hydroelectric generator (3) is arranged on generator stand (4)；
Be provided with a bearing housing in described generator stand (4), the output shaft of described bearing housing and power shaft respectively with permanent magnet direct-drive water
The power shaft of power generator (3), the output shaft of the hydraulic turbine (1) connect；Between described bearing housing and the hydraulic turbine (1)
Axis hole on be additionally provided with main shaft water blocking device；The inner chamber body (5) of a closing it is provided with in described generator stand (4)；Described
Bearing housing is located in inner chamber body (5)；Described bearing housing includes a bearing housing casing (6), a main shaft (7), an oil sealing
Set (8), a thrust bearing (9), Sleeve assembling assembly and a capping (10)；Described bearing housing casing (6) is installed
Bottom in inner chamber body (5)；Described oil-sealing sleeve (8) is fixed on bearing housing casing (6)；Described bearing housing casing
(6) upper end is connected with Sleeve assembling assembly；The upper end of described Sleeve assembling assembly is also connected with capping (10)；Described
Oil-sealing sleeve (8) be socketed on main shaft (7)；Described thrust bearing (9) is socketed in oil-sealing sleeve (8) outward；Described
Thrust bearing (9) is also connected with Sleeve assembling assembly；Described inner chamber body is additionally provided with cooler in (5).
Turbine-generator units the most according to claim 1, it is characterised in that: described Sleeve assembling assembly also includes
Bearing shell fixed mount (11) and be made up and be trapped among the guide bearing block (12) that main shaft (7) is outside of babbit, described bearing shell is fixed
The outward flange of frame (11) is connected with bearing housing casing (6), the inward flange of described bearing shell fixed mount (11) and guide bearing block (12)
Connect；Described guide bearing block (12) is provided with multiple confession lubricating oil by eccentric orfice (13)；Described guide bearing block (12)
Top is connected with capping (10)；The bottom of described guide bearing block (12) is connected with thrust bearing (9).
Turbine-generator units the most according to claim 2, it is characterised in that: on described bearing shell fixed mount (11)
It is additionally provided with breather (14).
Turbine-generator units the most according to claim 2, it is characterised in that: described cooler includes a fin
(15), a water inlet pipe (16) and an outlet pipe (17), described water inlet pipe (16), outlet pipe (17) all with heat radiation
Sheet (15) connects；The mouth of pipe of described water inlet pipe (16) and the mouth of pipe of an outlet pipe (17) are each provided at bearing housing casing (6)
Outward.
Turbine-generator units the most according to claim 2, it is characterised in that: described thrust bearing (9) and bearing
The fore-set (18) of a pushing tow thrust bearing (9) it is also associated with between box body (6).
Turbine-generator units the most according to claim 1, it is characterised in that: described main shaft water blocking device includes that one is solid
Be scheduled on the support on the axis hole of erecting bed (2) (19) and the upper sealing member (20) being socketed on main shaft (7) and under close
Sealing (21)；Described upper sealing member (20) is connected by a connection piece (22) with lower seal (21)；Described is upper
Sealing member (20), lower seal (21) are also connected with support (19)；Being also arranged above of described upper sealing member (20)
One prevents the sealing lid (23) that sealing member (20), lower seal (21) are deviate from；Described sealing lid (23) also with
Frame (19) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824556.2A CN104500316B (en) | 2014-12-25 | 2014-12-25 | Water-turbine generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824556.2A CN104500316B (en) | 2014-12-25 | 2014-12-25 | Water-turbine generator set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500316A CN104500316A (en) | 2015-04-08 |
| CN104500316B true CN104500316B (en) | 2017-01-11 |
Family
ID=52941754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410824556.2A Expired - Fee Related CN104500316B (en) | 2014-12-25 | 2014-12-25 | Water-turbine generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500316B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927450A (en) * | 2016-05-25 | 2016-09-07 | 成都金克星气体有限公司 | Improved multi-blade large-runner-body high-efficiency hydroturbine runner and improvement method thereof |
| CN114567120B (en) * | 2022-02-21 | 2024-02-06 | 湖南红太东方机电装备股份有限公司 | Outer rotor permanent magnet hydraulic generator and hydraulic generator set |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035804U (en) * | 1988-07-19 | 1989-04-12 | 四川省仪陇县校办企业公司 | Vertical single-phase alternating-current permanent magnetic water turbine-generator |
| CN201396235Y (en) * | 2008-12-15 | 2010-02-03 | 湖南山立水电设备制造有限公司 | Vertical-type hydraulic generator elastic supporting thrust bearing |
| CN102032090A (en) * | 2009-09-30 | 2011-04-27 | 湖北广水水电设备制造有限公司 | Small-size metal volute axial-flow vertical type water turbine |
| CN202811180U (en) * | 2012-09-29 | 2013-03-20 | 中水珠江规划勘测设计有限公司 | Hydro electric generating unit for micro-water-head hydroenergy development |
| JP6079413B2 (en) * | 2013-04-30 | 2017-02-15 | 東京電力ホールディングス株式会社 | Vertical shaft turbine bearing device and vertical shaft turbine generator |
| CN204344363U (en) * | 2014-12-25 | 2015-05-20 | 萍乡市济田水电设备制造有限公司 | Turbine-generator units |
-
2014
- 2014-12-25 CN CN201410824556.2A patent/CN104500316B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104500316A (en) | 2015-04-08 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20171225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |