CN104500316A - Water-turbine generator set - Google Patents
Water-turbine generator set Download PDFInfo
- Publication number
- CN104500316A CN104500316A CN201410824556.2A CN201410824556A CN104500316A CN 104500316 A CN104500316 A CN 104500316A CN 201410824556 A CN201410824556 A CN 201410824556A CN 104500316 A CN104500316 A CN 104500316A
- Authority
- CN
- China
- Prior art keywords
- generator
- bearing
- turbine
- bearing housing
- sealing
- 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
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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
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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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- 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, is specifically a kind of turbine-generator units.
Background technique
The mounting platform that the turbine-generator units of prior art comprises synchronous generator, water turbine and built by cement, described synchronous generator, water turbine are installed on mounting platform; The power input shaft of described synchronous generator, the pto＝power take-off of water turbine are all connected by coupling.During use, drive rotary wheel of water turbine to rotate by current, and then drive electrical generators generate electricity.The turbine-generator units of said structure has the following disadvantages in the using process of reality: due in different seasons, and the head in water power plant can constantly change.Water turbine is when the optimized rotating speed that different heads is corresponding, and it is most effective.Due to the rotating speed of synchronous generator, mains frequency (50Hz) requirement be met.Its rotating speed is specified constant.When head departs from rated head, the efficiency of water turbine will reduce.
Summary of the invention
The technical problem to be solved in the present invention is, provides the turbine-generator units that a kind of generating efficiency is high.
Technological scheme of the present invention is, provides a kind of turbine-generator units, comprises generator, water turbine and mounting platform, and described generator, water turbine are arranged on mounting platform upper and lower respectively; Described generator is permanent magnet direct-drive hydroelectric generator; Also be provided with one between described permanent magnet direct-drive hydroelectric generator and water turbine and be arranged on generator stand on mounting platform, described permanent magnet direct-drive hydroelectric generator is arranged on generator stand; Be provided with a bearing housing in described generator stand, the output shaft of described bearing housing is all connected with the input shaft of permanent magnet direct-drive hydroelectric generator, the output shaft of water turbine respectively with input shaft; Axis hole between described bearing housing and water turbine is also provided with main shaft water blocking device.
An inner chamber body closed is provided with in described generator stand; Described bearing housing is located in inner chamber body; Described bearing housing comprises 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; The upper end of described bearing housing casing 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 on main shaft; Described thrust-bearing is socketed in outside oil-sealing sleeve; Described thrust-bearing is also connected with Sleeve assembling assembly; Also cooler is provided with in described inner chamber body.
Described Sleeve assembling assembly also comprises bearing shell fixing frame and is made up of Babbitt and is trapped among the guide bearing block of main shaft outside, and the outward edge of described bearing shell fixing frame is connected with bearing housing casing, and the inward flange of described bearing shell fixing frame is connected with guide bearing block; Described guide bearing block is provided with multiple lubricant oil that supplies and passes through eccentric opening; The top of described guide bearing block is connected with capping; The bottom of described guide bearing block is connected with thrust-bearing.
Described bearing shell fixing frame is also provided with air-breather.
Described cooler comprises a radiating fin, an intake pipe and an outlet pipe, and described intake pipe, outlet pipe are all communicated with radiating fin; The mouth of pipe of described intake pipe and the mouth of pipe of an outlet pipe are all located at outside bearing housing casing.
The fore-set of a pushing tow thrust-bearing is also connected with between described thrust-bearing and bearing housing casing.
Described main shaft water blocking device comprises one and is fixed on the support on the axis hole of mounting platform and the upper Sealing that is socketed on main shaft and lower seal; Described upper Sealing is connected by a connection piece with lower seal; Described upper Sealing, lower seal are also connected with support; The top of described upper Sealing is also provided with the sealing cover that prevents Sealing, lower seal is deviate from; Described sealing cover is also connected with support.
After adopting above structure, the present invention compared with prior art, has the following advantages:
What turbine-generator units of the present invention adopted is permanent magnet direct-drive hydroelectric generator, and is connected with water turbine by permanent magnet direct-drive hydroelectric generator by a bearing housing.Due to permanent magnet direct-drive hydroelectric generator, by internal control inverter, make water turbine under different head operating modes, run under remaining on corresponding rotating speed.Therefore when head changes, permanent magnet direct-drive hydroelectric generator can change its rotating speed to adapt to the frequency that generates electricity, thus makes water turbine remain on high efficient area operation, ensures that the generating efficiency of turbine-generator units is high.Permanent magnet direct-drive hydroelectric generator adopts high-performance rare-earth magnet steel, and efficiency is high, compact structure, and envelope-bulk to weight ratio electric excitation generator declines 50%, reduces cost.In addition, the use of bearing housing makes the reliability of turbine-generator units of the present invention be 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, water turbine, 2, mounting platform, 3, permanent magnet direct-drive hydroelectric generator, 4, generator stand, 5, inner chamber body, 6, bearing housing casing, 7, main shaft, 8, oil-sealing sleeve, 9, thrust-bearing, 10, capping, 11, bearing shell fixing frame, 12, guide bearing block, 13, eccentric opening, 14, air-breather, 15, radiating fin, 16, intake pipe, 17, outlet pipe, 18, fore-set, 19, support, 20, upper Sealing, 21, lower seal, 22, link, 23, sealing cover, 24, buffer stopper.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of turbine-generator units of the present invention, comprises generator, water turbine 1 and mounting platform 2, and general being built by cement of mounting platform 2 forms, and be generally commonly called as turbine chamber ground, water power plant, the cement board which floor this bottom surface poured into a mould by is formed; Mounting platform 2 has secondary dull and stereotyped, below one-level dull and stereotyped for installing water turbine 1, above one-level flat board generator stand 4, bearing housing are installed; Described generator, water turbine 1 are arranged on mounting platform 2 upper and lower respectively; , bolt is installed; Described generator is permanent magnet direct-drive hydroelectric generator 3; Also be provided with one between described permanent magnet direct-drive hydroelectric generator 3 and water turbine 1 and be arranged on generator stand 4 on mounting platform 2, described permanent magnet direct-drive hydroelectric generator 3 is arranged on generator stand 4, namely the lower end of permanent magnet direct-drive hydroelectric generator 3 is arranged on generator stand 4, and the lower end of generator stand 4 is arranged on mounting platform 2; Be provided with a bearing housing in described generator stand 4, the output shaft of described bearing housing is all connected with the input shaft of permanent magnet direct-drive hydroelectric generator 3, the output shaft of water turbine 1 respectively with input shaft; Axis hole between described bearing housing and water turbine 1 is also provided with main shaft water blocking device.
An inner chamber body 5 closed is provided with in described generator stand 4; Described bearing housing is located in inner chamber body 5; Described bearing housing comprises bearing housing casing 6, main shaft 7, oil-sealing sleeve 8, thrust-bearing 9, Sleeve assembling assembly and a 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 6; The upper end of described bearing housing casing 6 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 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; Also cooler is provided with in described inner chamber body 5.
Described Sleeve assembling assembly also comprises bearing shell fixing frame 11 and is made up of Babbitt and is trapped among the guide bearing block 12 of main shaft 7 outside, and in the present embodiment, guide bearing block 12 is made up of multi-disc bearing shell, every sheet bearing shell is equipped with an eccentric opening, easily passes through to make oil.
The outward edge of described bearing shell fixing frame 11 is connected with bearing housing casing 6, and the inward flange of described bearing shell fixing frame 11 is connected with guide bearing block 12; Described guide bearing block 12 is provided with multiple lubricant oil that supplies by eccentric opening 13; The top of described guide bearing block 12 is connected with capping 10; The bottom of described guide bearing block 12 is connected with thrust-bearing 9, in the present embodiment, is provided with buffer stopper 24 between the bottom of guide bearing block 12 and thrust-bearing 9.
Described bearing shell fixing frame 11 is also provided with air-breather 14, and this air-breather 14 can be a columnar member, has vent in columnar member.
Described cooler comprises radiating fin 15, intake pipe 16 and an outlet pipe 17, and described intake pipe 16, outlet pipe 17 are all communicated with radiating fin 15; The mouth of pipe of described intake pipe 16 and the mouth of pipe of an outlet pipe 17 are all located at outside bearing housing casing 6.
Also be connected with the fore-set 18 of a pushing tow thrust-bearing 9 between described thrust-bearing 9 and bearing housing casing 6, upper end and the reasoning bearing 9 of fore-set 18 offset, and the lower end of fore-set 18 is connected with bearing housing casing 6.
Described main shaft water blocking device comprises one and is fixed on the support 19 on the axis hole of mounting platform 2 and the upper Sealing 20 be socketed on main shaft 7 and lower seal 21; Described upper Sealing 20 is connected by a connection piece 22 with lower seal 21; Described upper Sealing 20, lower seal 21 are also connected with support 19; The top of described upper Sealing 20 is also provided with the sealing cover 23 that prevents Sealing 20, lower seal 21 is deviate from; Described sealing cover 23 is also connected with support 19.
Below only just most preferred embodiment of the present invention is described, but can not be interpreted as it is limitations on claims.The present invention is not limited only to above embodiment, and its concrete structure allows to change.In every case the various change done in the protection domain of independent claims of the present invention is all in protection scope of the present invention.
Claims (7)
1. a turbine-generator units, comprises generator, water turbine (1) and mounting platform (2), and described generator, water turbine (1) are arranged on mounting platform (2) upper and lower respectively; It is characterized in that: described generator is permanent magnet direct-drive hydroelectric generator (3); Also be provided with one between described permanent magnet direct-drive hydroelectric generator (3) and water turbine (1) and be arranged on generator stand (4) on mounting 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 is all connected with the input shaft of permanent magnet direct-drive hydroelectric generator (3), the output shaft of water turbine (1) respectively with input shaft; Axis hole between described bearing housing and water turbine (1) is also provided with main shaft water blocking device.
2. turbine-generator units according to claim 1, is characterized in that: be provided with an inner chamber body (5) closed in described generator stand (4); Described bearing housing is located in inner chamber body (5); Described bearing housing comprises a bearing housing casing (6), a main shaft (7), an oil-sealing sleeve (8), a thrust-bearing (9), Sleeve assembling assembly and a 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 (6); The upper end of described bearing housing casing (6) 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) is 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 also provided with cooler in (5).
3. turbine-generator units according to claim 2, it is characterized in that: described Sleeve assembling assembly also comprises bearing shell fixing frame (11) and is made up of Babbitt and is trapped among the outside guide bearing block (12) of main shaft (7), the outward edge of described bearing shell fixing frame (11) is connected with bearing housing casing (6), and the inward flange of described bearing shell fixing frame (11) is connected with guide bearing block (12); Described guide bearing block (12) is provided with multiple lubricant oil that supplies by eccentric opening (13); The top of described guide bearing block (12) is connected with capping (10); The bottom of described guide bearing block (12) is connected with thrust-bearing (9).
4. turbine-generator units according to claim 3, is characterized in that: described bearing shell fixing frame (11) is also provided with air-breather (14).
5. turbine-generator units according to claim 3, it is characterized in that: described cooler comprises a radiating fin (15), an intake pipe (16) and an outlet pipe (17), described intake pipe (16), outlet pipe (17) are all communicated with radiating fin (15); The mouth of pipe of described intake pipe (16) and the mouth of pipe of an outlet pipe (17) are all located at bearing housing casing (6) outward.
6. turbine-generator units according to claim 3, is characterized in that: the fore-set (18) being also connected with a pushing tow thrust-bearing (9) between described thrust-bearing (9) and bearing housing casing (6).
7. turbine-generator units according to claim 1, is characterized in that: described main shaft water blocking device comprises one and is fixed on the support (19) on the axis hole of mounting platform (2) and the upper Sealing (20) be socketed on main shaft (7) and lower seal (21); Described upper Sealing (20) is connected by a connection piece (22) with lower seal (21); Described upper Sealing (20), lower seal (21) are also connected with support (19); The top of described upper Sealing (20) is also provided with the sealing cover (23) that prevents Sealing (20), lower seal (21) is deviate from; Described sealing cover (23) is also connected with support (19).
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 true CN104500316A (en) | 2015-04-08 |
| CN104500316B 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) |
Cited By (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 |
| CN114567120A (en) * | 2022-02-21 | 2022-05-31 | 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 |
Citations (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 |
| JP2014214859A (en) * | 2013-04-30 | 2014-11-17 | 東京電力株式会社 | Bearing device of vertical shaft water turbine and vertical shaft water turbine power 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
Patent Citations (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 |
| JP2014214859A (en) * | 2013-04-30 | 2014-11-17 | 東京電力株式会社 | Bearing device of vertical shaft water turbine and vertical shaft water turbine power 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 |
Cited By (3)
| 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 |
| CN114567120A (en) * | 2022-02-21 | 2022-05-31 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104500316B (en) | 2017-01-11 |
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Granted publication date: 20170111 Termination date: 20171225 |