CN202108653U - Paddle regulator for axial-flow water pump turbine - Google Patents
Paddle regulator for axial-flow water pump turbine Download PDFInfo
- Publication number
- CN202108653U CN202108653U CN2011202170206U CN201120217020U CN202108653U CN 202108653 U CN202108653 U CN 202108653U CN 2011202170206 U CN2011202170206 U CN 2011202170206U CN 201120217020 U CN201120217020 U CN 201120217020U CN 202108653 U CN202108653 U CN 202108653U
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- accumulator
- valve bank
- axial flow
- water turbine
- turbine blade
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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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Abstract
The utility model discloses a paddle regulator for an axial-flow water pump turbine, which comprises an oil storage tank, a slip ring, an oil cylinder, a piston, a piston rod, a shaft coupler, a pedestal, a regulating rod, a chassis, a carbon brush frame, a hydraulic valve bank, a hydraulic station, a bracket, an annular energy accumulator, an outer cover, a displacement sensor and various oil tubes, wherein the hydraulic station is connected with the annular energy accumulator; the annular energy accumulator is connected with the hydraulic valve bank; the hydraulic valve bank is respectively connected with the upper part and the lower part of the oil cylinder; the upper end of the piston rod is connected with the piston, while the lower end is connected with the regulating rod by the shaft coupler; the lower end of the piston rod is further articulated with the displacement sensor which is positioned on the inner side of the pedestal by a rigid rod; the carbon brush frame is fixed close to the upper end of the oil storage tank on the inner side of the outer cover; a carbon brush positioned on the carbon brush frame has contact with the slip ring; and the slip ring is connected with the hydraulic valve bank, the hydraulic station and the displacement sensor positioned on the inner side of the pedestal by circuits. The regulator of the utility model can truly reflect the regulation state of the paddles of the axial-flow water turbine in time and can quickly, accurately and stably respond to various regulation commands.
Description
Technical field
The utility model belongs to the hydraulic machinery field, relates in particular to a kind of axial flow pump water turbine blade regulator.
Background technique
Water turbine is the machine tool in water power plant, and its energy conversion efficiency is directly connected to the economic benefit of hydropower investment.Blade is regulated or the axial flow hydraulic turbine of regulatory function difference to not possessing, and the utilization ratio of water resources can reduce greatly when its off-design operating mode.According to middle-size and small-size axial-flow wheel generator set actual operating data; Water can improve by transformation efficiency after the water power plant was adopted and transferred oar formula unit; And can adapt to the variation of flow, head, abandon water and significantly reduce, increase about 10%～30% than fixed blade machine group annual electricity generating capacity; Even higher, economic benefit is considerable.
At present, the accent oar mode of middle-size and small-size axial flow hydraulic turbine has: the machine of tearing open transfers oar, manual shut-down machinery to transfer oar, do not shut down machinery transfers oar and oil pressure to transfer four kinds on oar.Wherein, the machine of tearing open transfer oar in the water power plant because of the dismounting difficulty can't realize at all, in fact be equal to decide oar; Mechanical oar trouble, the effort of transferring of manual shut-down generally seldom adopts, though the employing that has, but because of regulating frequency is low, using effect is poor, is difficult to produce a desired effect; Transfer oar simple in structure, easy to operate though do not shut down machinery, the regulator bearing scaling loss of generating heat easily, functional reliability is poor; Oil pressure transfers oar owing to complex equipments, involve great expense, and maintenance workload is big, and oil leaking pollution is serious, and often cause that the operation oil pressure is unstable, generally only is applied to large medium-size station.
The built-in fluid pressure governor of development belongs to oil pressure accent oar in recent years; It has drawn the strong point of conventional hydraulic formula regulator and mechanical governor; The vibration of regulator leakage of oil of conventional hydraulic formula and mechanical governor unit operation, the continuous drawback of fault have been overcome respectively; Regulate but use it for the axial flow hydraulic turbine blade, can't satisfy the axial flow hydraulic turbine blade and regulate technical requirements aspects such as stability, quick-action property and validity.
The model utility content
To the deficiency of existing technology, the utility model provide a kind of can in time, truly reflect axial flow pump water turbine blade adjustment state, and can be fast, precisely, the stable axial flow pump water turbine blade regulator that various regulating commands are made a response.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is following:
A kind of axial flow pump water turbine blade regulator comprises that top is provided with accumulator (21), outer cover (22), displacement transducer (25) and all kinds of oil pipe that oil cylinder (7), piston (23), piston rod (9), coupling (10), base (11), adjustable lever (12), chassis (13), carbon brush holder (15), hydraulic valve bank (17), hydraulic station (18), support (19), top that the fuel reserve tank of air-strainer (14) (1), collector ring (2), inwall be provided with guide sleeve slip surface (24) are provided with inflation inlet (16); All kinds of oil pipes comprise return tube (3), oil inlet pipe (4), last high-pressure oil pipe (5), following high-pressure oil pipe (6), high-pressure oil pipe (20);
Hydraulic valve bank (17), hydraulic station (18), accumulator (21) all place fuel reserve tank (1) inside; Hydraulic valve bank (17) and hydraulic station (18) are fixed in the fuel reserve tank (1) through support (19); Device is gone up on chassis (13) has base (11), and base (11) is gone up device has oil cylinder (7), and oil cylinder (7) is gone up device has fuel reserve tank (1); Hydraulic station (18) links to each other with accumulator (21) through high-pressure oil pipe (20), and accumulator (21) links to each other with hydraulic valve bank (17) through oil inlet pipe (4), and hydraulic valve bank (17) links to each other with oil cylinder (7) upper and lower respectively through last high-pressure oil pipe (5), following high-pressure oil pipe (6); Piston (23) places in the oil cylinder (7); Piston rod (9) upper end connects piston (23); The lower end is connected with adjustable lever (12) through coupling (10); Piston rod (9) lower end is also through the hinged inboard displacement transducer (25) of base (11) that places of rigid rod; Outer cover (22) is inboard, fuel reserve tank (1) is fixed with carbon brush holder (15) near the upper end, places the carbon brush on the carbon brush holder (15) to contact with collector ring (2), collector ring (2) through circuit with hydraulic valve bank (17), hydraulic station (18) and place the displacement transducer (25) of base (11) inboard to link to each other.
Above-mentioned accumulator (21) places in the circular groove on fuel reserve tank (1) inwall.
Above-mentioned accumulator (21) inside is filled with nitrogen, because the compressibility of hydraulic oil is bad, can come accumulation of energy through the mode of compressed nitrogen.
Above-mentioned accumulator (21) can be bag type accumulator or piston accumulator.
Above-mentioned displacement transducer (25) is a magnetostrictive displacement sensor, can be used for measuring and adjusting bar (12) stroke, and feeds back the adjustment state of the utility model regulator in real time.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, the utility model device is provided with annular accumulator; Regard when regulating by a small margin; Can use the high pressure oil in the annular accumulator to regulate, avoid the frequent switching on and shutting down of hydraulic station, make the utility model regulator react more in time, regulate accurate more, more stable work simultaneously;
2, the utility model regulator is provided with displacement transducer at piston rod side, has reduced the regulator height, has saved piston top rod member and relevant Sealing simultaneously; Displacement transducer, hydraulic valve bank can cooperate the utility model regulator and stator to constitute the automatic control system of a closed loop; Make regulator in time precisely adapt to the needs that incoming flow and network load change, co-ordination is carried out in the action of fitted shaft flow water turbine entry guide vane.
Description of drawings
Fig. 1 is embodiment's a longitudinal section tectonic maps;
Fig. 2 is the plan view of embodiment's fuel reserve tank;
Among the figure: 1-fuel reserve tank, 2-collector ring, 3-return tube, 4-oil inlet pipe, the last high-pressure oil pipe of 5-, high-pressure oil pipe under the 6-, 7-oil cylinder; The 8-Sealing, 9-piston rod, 10-coupling, 11-base, 12-adjustable lever, 13-chassis, 14-air-strainer; The 15-carbon brush holder, 16-inflation inlet, 17-hydraulic valve bank, 18-hydraulic station, 19-support, 20-high-pressure oil pipe, 21-annular accumulator; The 22-outer cover, 23-piston, 24-guide sleeve slip surface, 25-displacement transducer, 26-set main shaft, 27-hydraulic turbine generator loam cake.
Embodiment
To combine accompanying drawing and embodiment that the utility model is described further below.
As shown in Figure 1, present embodiment comprises fuel reserve tank 1, collector ring 2, oil cylinder 7, piston 23, piston rod 9, coupling 10, base 11, adjustable lever 12, chassis 13, carbon brush holder 15, hydraulic valve bank 17, hydraulic station 18, support 19, accumulator 21, outer cover 22, displacement transducer 25 and all kinds of oil pipe; All kinds of oil pipes comprise return tube 3, oil inlet pipe 4, last high-pressure oil pipe 5, following high-pressure oil pipe 6, high-pressure oil pipe 20; Fuel reserve tank 1 top is provided with air-strainer 14; Oil cylinder 7 inwalls are provided with guide sleeve slip surface 24; Annular accumulator 21 tops are provided with inflation inlet 16; Hydraulic valve bank 17, hydraulic station 18, accumulator 21 all place fuel reserve tank 1 inside; Hydraulic valve bank 17 is fixed in the fuel reserve tank 1 through support 19 with hydraulic station 18;
Wherein,
Device has base 11 on the chassis 13, and device has oil cylinder 7 on the base 11, and device has fuel reserve tank 1 on the oil cylinder 7; Hydraulic station 18 links to each other with accumulator 21 through high-pressure oil pipe 20, and accumulator 21 links to each other with hydraulic valve bank 17 through oil inlet pipe 4, and hydraulic valve bank 17 is passed through last high-pressure oil pipe 5, time high-pressure oil pipe 6 links to each other with oil cylinder 7 upper and lowers respectively; Piston 23 places in the oil cylinder 7; Piston rod 9 upper ends connect piston 23; The lower end is connected with adjustable lever 12 through coupling 10, and also through the hinged displacement transducer 25 that places base 11 inboards of rigid rod, outer cover 22 inboards, fuel reserve tank are fixed with carbon brush holder 15 near 1 upper end in piston rod 9 lower ends; Place the carbon brush on the carbon brush holder 15 to contact with collector ring 2, collector ring 2 is through circuit and hydraulic valve bank 17, hydraulic station 18 and place base 11 inboard displacement transducers 25 to link to each other.
In the present embodiment, displacement transducer 25 adopts magnetostrictive displacement sensor; Accumulator 21 places in the circular groove on fuel reserve tank 1 inwall; Its inside is filled with nitrogen; Accumulator is formed by the steel welding production, can adopt bag type accumulator or piston accumulator, and the inflation inlet 16 that annular accumulator 21 its tops are provided with is used for to annular accumulator 21 inflated with nitrogen.Shown in Figure 2 is the plan view of fuel reserve tank.
The utility model regulator links to each other with the set main shaft 26 of axial flow hydraulic turbine through chassis 13, and outer cover 22 is fixed on the axial flow hydraulic turbine and covers.The working procedure of the utility model device is following: when needing the unit of adjusting axle flow water turbine because of reasons such as incoming flow or network load variations; Speed regulator joint stator in the axial flow hydraulic turbine peripheral control system and blade regulator; And through 17 unlatchings of collector ring 2 control hydraulic valve bank; Annular accumulator 21 supplies high pressure oil to oil cylinder 7, and piston 23 drives piston rod 9 and does axial displacement, and then drive adjustable lever 12 does to regulate action.In this process, displacement transducer 25 can be timely reaches speed regulator with the axial displacement of adjustable lever 12 through collector ring 2, and whether decision stops regulating action; When the oil pressure in the annular accumulator 21 was lower than setting value, hydraulic station 18 started automatically, for annular accumulator 21 oil-filled.
Claims (9)
1. axial flow pump water turbine blade regulator is characterized in that:
Comprise that top is provided with accumulator (21), outer cover (22), displacement transducer (25) and all kinds of oil pipe that oil cylinder (7), piston (23), piston rod (9), coupling (10), base (11), adjustable lever (12), chassis (13), carbon brush holder (15), hydraulic valve bank (17), hydraulic station (18), support (19), top that the fuel reserve tank of air-strainer (14) (1), collector ring (2), inwall be provided with guide sleeve slip surface (24) are provided with inflation inlet (16); All kinds of oil pipes comprise return tube (3), oil inlet pipe (4), last high-pressure oil pipe (5), following high-pressure oil pipe (6), high-pressure oil pipe (20);
Hydraulic valve bank (17), hydraulic station (18), accumulator (21) all place fuel reserve tank (1) inside; Hydraulic valve bank (17) and hydraulic station (18) are fixed in the fuel reserve tank (1) through support (19); Device is gone up on chassis (13) has base (11), and base (11) is gone up device has oil cylinder (7), and oil cylinder (7) is gone up device has fuel reserve tank (1); Hydraulic station (18) links to each other with accumulator (21) through high-pressure oil pipe (20), and accumulator (21) links to each other with hydraulic valve bank (17) through oil inlet pipe (4), and hydraulic valve bank (17) links to each other with oil cylinder (7) upper and lower respectively through last high-pressure oil pipe (5), following high-pressure oil pipe (6); Piston (23) places in the oil cylinder (7); Piston rod (9) upper end connects piston (23); The lower end is connected with adjustable lever (12) through coupling (10); Piston rod (9) lower end is also through the hinged inboard displacement transducer (25) of base (11) that places of rigid rod; Outer cover (22) is inboard, fuel reserve tank (1) is fixed with carbon brush holder (15) near the upper end, places the carbon brush on the carbon brush holder (15) to contact with collector ring (2), collector ring (2) through circuit with hydraulic valve bank (17), hydraulic station (18) and place the displacement transducer (25) of base (11) inboard to link to each other.
2. axial flow pump water turbine blade regulator according to claim 1 is characterized in that:
Described accumulator places in the circular groove on fuel reserve tank (1) inwall.
3. axial flow pump water turbine blade regulator according to claim 1 and 2 is characterized in that:
Described accumulator (21) inside is filled with nitrogen.
4. axial flow pump water turbine blade regulator according to claim 1 and 2 is characterized in that:
Described accumulator (21) is a bag type accumulator.
5. axial flow pump water turbine blade regulator according to claim 1 and 2 is characterized in that:
Described accumulator (21) is a piston accumulator.
6. axial flow pump water turbine blade regulator according to claim 1 and 2 is characterized in that:
Described displacement transducer (25) is a magnetostrictive displacement sensor.
7. axial flow pump water turbine blade regulator according to claim 3 is characterized in that:
Described displacement transducer (25) is a magnetostrictive displacement sensor.
8. axial flow pump water turbine blade regulator according to claim 4 is characterized in that:
Described displacement transducer (25) is a magnetostrictive displacement sensor.
9. axial flow pump water turbine blade regulator according to claim 5 is characterized in that:
Described displacement transducer (25) is a magnetostrictive displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202170206U CN202108653U (en) | 2011-06-24 | 2011-06-24 | Paddle regulator for axial-flow water pump turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202170206U CN202108653U (en) | 2011-06-24 | 2011-06-24 | Paddle regulator for axial-flow water pump turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202108653U true CN202108653U (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202170206U Expired - Fee Related CN202108653U (en) | 2011-06-24 | 2011-06-24 | Paddle regulator for axial-flow water pump turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202108653U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251915A (en) * | 2011-06-24 | 2011-11-23 | 武汉大学 | Axial flow water turbine paddle adjustor |
| CN103122823A (en) * | 2013-03-04 | 2013-05-29 | 金文奎 | Water turbine blade internal energy drive adjusting structure |
| CN107076162A (en) * | 2014-08-11 | 2017-08-18 | 韩国生产技术研究院 | Reversible type pump turbine includes the Optimization Design of its self-generating system and reversible type pump turbine |
| CN107747525A (en) * | 2017-11-27 | 2018-03-02 | 湖北拓宇水电科技有限公司 | A kind of modified hydraulic turbine, water pump blade angle hydraulic isochronous controller |
-
2011
- 2011-06-24 CN CN2011202170206U patent/CN202108653U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251915A (en) * | 2011-06-24 | 2011-11-23 | 武汉大学 | Axial flow water turbine paddle adjustor |
| CN103122823A (en) * | 2013-03-04 | 2013-05-29 | 金文奎 | Water turbine blade internal energy drive adjusting structure |
| CN103122823B (en) * | 2013-03-04 | 2015-12-02 | 金文奎 | Adjust structure can be driven in hydraulic turbine blades |
| CN107076162A (en) * | 2014-08-11 | 2017-08-18 | 韩国生产技术研究院 | Reversible type pump turbine includes the Optimization Design of its self-generating system and reversible type pump turbine |
| CN107747525A (en) * | 2017-11-27 | 2018-03-02 | 湖北拓宇水电科技有限公司 | A kind of modified hydraulic turbine, water pump blade angle hydraulic isochronous controller |
| CN107747525B (en) * | 2017-11-27 | 2024-02-13 | 湖北拓宇水电科技股份有限公司 | Improved hydraulic synchronous regulator for blade angle of water turbine and water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20130624 |