CN108953032A - The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator and operating method - Google Patents
The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator and operating method Download PDFInfo
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- CN108953032A CN108953032A CN201810878743.7A CN201810878743A CN108953032A CN 108953032 A CN108953032 A CN 108953032A CN 201810878743 A CN201810878743 A CN 201810878743A CN 108953032 A CN108953032 A CN 108953032A
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- oil
- operating system
- pressure oil
- piston
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Classifications
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- 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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/14—Rotors having adjustable blades
-
- 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
- F03B15/00—Controlling
-
- 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
Abstract
The present invention provides a kind of machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator and operating method, operating system includes the turbine shaft set gradually from top to bottom, wheel blade servomotor and web, piston is equipped in wheel blade servomotor, piston base is connect with setting in the intracorporal crosshead of runner by piston rod, crosshead is connect with connecting rod by pin shaft, the other end of connecting rod is connect with pivoted arm by pin shaft, and pivoted arm is connect with pivot, blade by bolt and pin shaft.Fuel tank is equipped in the turbine shaft, oil is delivered in pressure oil tank by the fuel tank by pressure oil pump group, and air bag is equipped in pressure oil tank, and pressure oil tank is connected to by pipeline and distributing valve with two oil pockets that piston on the side and downside is arranged in.It realizes blade operating system and the integrated design of big axis rotatable parts, fundamentally solves series of problems present in Split paddle operating system, while greatly reducing plant maintenance difficulty and maintenance cost.
Description
Technical field
The present invention relates to axial-flow wheel machine equipment, in particular to a kind of machine integrated blade of axial-flow rotary propeller type hydraulic generator
Operating system and operating method.
Background technique
Axial-flow rotary propeller type turbine-generator units blade operating system is all made of traditional split-type design at present, such as Fig. 2 institute
Show, i.e., hydraulic control system and forced oil device are arranged in workshop region, hydraulic actuating mechanism is arranged in hydraulic turbine rotatable parts
It is internal.Forced oil device provides operation power oil sources, and hydraulic control system passes through electro-hydraulic conversion equipment according to governor regulating command
Power oil sources is passed through operating oil line by oil head, controls the oil pressure of open and close chamber oil circuit, so that hydraulic actuating mechanism is driven,
Control blade is rotated.Hydraulic actuating mechanism is made of piston, crosshead, connecting rod, pivoted arm and pivot, is controlled oil and is entered operation
Oil pipe, control the upper and lower chamber of piston oil pressure, then control piston be moved upwardly or downwardly along wheel hub, drive crosshead upwards or
It moves downward, traction link movement drives pivoted arm and pivot to move in a circle around pivot center line, and driving blade is turned
It is dynamic.
Traditional design method shares a set of forced oil device (including oil using blade operating system and guide vane operating system
Case, oil tank, gas tank, pressure oil pump group), hydraulic control system and forced oil device are arranged in independently of the factory except unit running gear
Room region.Turbine oil removes driving hydraulic actuating mechanism from forced oil device, by hydraulic control system, and intermediate palpus is by electro-hydraulic
Conversion equipment, oil head and longer operating line.It is found according to real work, there are many problems for the arragement construction:
1, traditional blade operating system design has the components such as oil head, operating oil line, spilled oil basin, and structure is complicated, and breakthrough is more,
Maintenance difficulties are big, and maintenance cost is high；
2, hydraulic control system and forced oil device are arranged in workshop region, and hydraulic actuating mechanism is arranged in hydraulic turbine rotatable parts
It is internal.Turbine oil reaches hydraulic actuating mechanism from forced oil device, by hydraulic control system, and intermediate oil circuit is too long, causes
System oil amount is big, and it is poor to adjust quick-action；
3, the sealing between the open and close chamber oil circuit of operating oil line fully relies on the gap between oil head floating-bush and operating oil line
Sealing.There are throw when due to operating oil line operating, seal clearance cannot be designed too small, and the floating-bush of oil head is long-term
It is easily worn in operational process, therefore open and close chamber alters that oily phenomenon is serious, and unit time system oil amount is larger, leads to oil pump
Frequent starting, oil temperature increase；
4, blade operating system and guide vane operating system share a set of forced oil device, due to the contaminated feelings of blade operating system oil
Condition is generally heavier, largely affects the use oil quality of guide vane operating system, jeopardizes unit safety；
5, the mist of oil formed in spilled oil basin can pollute collector ring, influence unit safety.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of machine integrated blade operations of axial-flow rotary propeller type hydraulic generator
System and operating method realize blade operating system and the integrated design of turbine shaft rotatable parts, fundamentally solve to divide
Series of problems present in body formula blade operating system, while greatly reducing plant maintenance difficulty and maintenance cost.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of axial-flow rotary propeller type hydrogenerator
Integrated blade operating system, turbine shaft, wheel blade servomotor and web, wheel blade including setting gradually from top to bottom connect
Piston is equipped in power device, piston base is connect with setting in the intracorporal crosshead of runner by piston rod, and crosshead and connecting rod are logical
Pin shaft connection is crossed, the other end of connecting rod is connect with pivoted arm by pin shaft, and pivoted arm is connect with pivot, blade by bolt and pin shaft,
Fuel tank is equipped in the turbine shaft, oil is delivered in pressure oil tank by the fuel tank by pressure oil pump group, and gas is equipped in pressure oil tank
Capsule, pressure oil tank are connected to by distributing valve with two oil pockets that piston on the side and downside is arranged in.
In preferred scheme, the normal pressure oil pocket of the intracorporal wheel hub of runner is connected to by liaison tube with fuel tank.
In preferred scheme, electro-control converter is equipped in the turbine shaft, electro-control converter is connect with distributing valve.
In further embodiment, the pressure oil tank connects pressure sensor.
In further scheme, controller, controller and electro-control converter, solenoid valve block are equipped in the turbine shaft
And pressure sensor is electrically connected, controller is wirelessly connected by communication module with governor electrical cabinet and oil gear control cabinet
It connects.
In preferred scheme, the electrical source of power of the pressure oil pump group is introduced by the way of brush from collector ring.
A kind of operating method of the machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator, first pressure oil pump group are from oil
Oil liquid is drawn in case, pressure oil tank is pumped into after pressurized, and the air bag in pressure oil tank carries out storage pressure, electro-hydraulic converting means after being compressed by oil liquid
The regulating command for receiving governor electrical cabinet is set, distributing valve is operated, controls the oil pressure of upper and lower two oil pockets of piston, controls piston
It is moved upwardly or downwardly, crosshead is driven to be moved upwardly or downwardly, traction link movement drives pivoted arm and pivot in pivot
Heart line moves in a circle, and driving blade is rotated.
A kind of machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator provided by the invention and operating method, by paddle
All components of the leaf operating system in addition to electrical cabinet, control cabinet are integrated in inside turbine shaft, and are eliminated complicated by oil
Device, spilled oil basin and interminable operating oil line, it is greatly simplified in structure design, fundamentally solve conventional two-piece blade behaviour
Make series of problems present in system, while greatly reducing plant maintenance difficulty and maintenance cost, specific advantage is as follows:
1, it due to eliminating interminable operating oil line, can largely shorten operation oil circuit, greatly reduce operating system use
Oil mass improves blade and adjusts quick-action.
2, due to eliminating complicated oil receiver structure, it is oily can thoroughly to solve the problems, such as that control oil pipe open and close chamber is altered.
3, due to eliminating spilled oil basin, it can completely avoid the contaminated with oil mist caused by collector ring.
4, it since blade operating system uses independent forced oil device, can completely avoid and guide vane operating system oil phase
Mutually pollution.
5, design uses higher nominal operation oil pressure grade, can reduce the size of hydraulic actuating mechanism, accordingly can be with
The volume for reducing web improves the conveyance capacity of runner, increases output of hydraulic turbine, generates huge economic benefit.
6, structure design is upper greatly simplified, eliminates complicated vulnerable part, and breakthrough is reduced, and greatly reduces plant maintenance
Difficulty.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural schematic diagram of the prior art.
Fig. 3 is control figure of the invention.
In figure: turbine shaft 1, wheel blade servomotor 2, web 3, piston 4, piston rod 5, crosshead 6, connecting rod 7, pivoted arm 8,
Pivot 9, blade 10, fuel tank 11, pressure oil tank 12, air bag 13, distributing valve 14, electro-control converter 15, pressure oil pump group 16, liaison tube
17, wheel hub 18.
Specific embodiment
As shown in figure 1, the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator, including successively set from top to bottom
Turbine shaft, wheel blade servomotor and the web set are equipped with piston in wheel blade servomotor, and piston base is by piston rod and sets
It sets in the intracorporal crosshead connection of runner, crosshead is connect with connecting rod by pin shaft, and the other end and pivoted arm of connecting rod pass through pin shaft
Connection, pivoted arm are connect with pivot, blade by bolt and pin shaft, and fuel tank is equipped in the turbine shaft, and the fuel tank passes through pressure
Oil is delivered in pressure oil tank by oil pump group, is equipped with air bag in pressure oil tank, pressure oil tank by distributing valve and setting in piston on the side and
Two oil pockets of downside are connected to.
The normal pressure oil pocket of the intracorporal wheel hub of runner is connected to by liaison tube with fuel tank, and the work of oiling and concora crush is played
With.
Electro-control converter is equipped in the turbine shaft, electro-control converter is connect with distributing valve.
The electrical source of power of the pressure oil pump group is introduced by the way of brush from collector ring.
The pressure oil tank connects pressure sensor.Pressure sensor can select keller section to strangle the PA-23S/ produced
Pressure sensor is mounted on the pipeline being connected to pressure oil tank and measures in pressure oil tank by the pressure sensor of 80565.55 models
Oil pressure.
As shown in figure 3, being equipped with controller, controller and solenoid valve block, pressure sensor and electricity in the turbine shaft
Liquid converter is electrically connected, and controller is wirelessly connected by communication module and governor electrical cabinet and oil gear control cabinet.Control
Device processed selects AT89S52 single-chip microcontroller, and communication module can select 4G communication module or GPRS communication module to be wirelessly transferred.
The pressure oil pressure inside the tank that pressure sensor measures is sent to oil pressure by communication module after handling by controller and fills
Control cabinet is set, the pressure value that oil gear control cabinet passes through the pressure oil tank measured controls the start and stop of pressure oil pump group.
When needing to adjust the speed the hydraulic turbine, the regulating command of governor electrical cabinet is sent to control by communication module
Device, electro-hydraulic conversion equipment receive regulating command, operate distributing valve.
The forced oil device uses higher nominal operation oil pressure grade, does function so as to improve unit volume oil liquid
Power can substantially reduce the volume of forced oil device, conveniently be arranged in inside turbine shaft, while can reduce hydraulic actuating mechanism
Size accordingly can reduce the volume of web, improve the conveyance capacity of runner, increase output of hydraulic turbine.
Specifically, the operating method of the machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator are as follows: pressure oil pump first
Group draws oil liquid from fuel tank, pressure oil tank is pumped into after pressurized, the air bag in pressure oil tank carries out storage pressure after being compressed by oil liquid, electro-hydraulic
Conversion equipment receives the regulating command of governor electrical cabinet, operates distributing valve, controls the oil pressure of upper and lower two oil pockets of piston, control
Piston processed is moved upwardly or downwardly, and crosshead is driven to be moved upwardly or downwardly, and traction link movement drives pivoted arm and pivot to surround
Pivot center line moves in a circle, and driving blade is rotated.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this hair
Bright protection scope should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (7)
1. a kind of machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator, including the hydraulic turbine set gradually from top to bottom
Axis, wheel blade servomotor and web are equipped with piston in wheel blade servomotor, and piston base is by piston rod and is arranged in web
Interior crosshead connection, crosshead are connect with connecting rod by pin shaft, and the other end of connecting rod is connect with pivoted arm by pin shaft, pivoted arm and
Pivot, blade are connected by bolt with pin shaft, it is characterised in that: fuel tank are equipped in the turbine shaft, the fuel tank passes through pressure
Oil is delivered in pressure oil tank by oil pump group, air bag is equipped in pressure oil tank, pressure oil tank is by pipeline and distributing valve and setting in piston
Two oil pockets of the upper side and lower side are connected to.
2. the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator according to claim 1, feature exist
In: the normal pressure oil pocket of the intracorporal wheel hub of runner is connected to by liaison tube with fuel tank.
3. the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator according to claim 1, feature exist
In: electro-control converter is equipped in the turbine shaft, electro-control converter is connect with distributing valve.
4. the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator according to claim 3, feature exist
In: the pressure oil tank connects pressure sensor.
5. the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator according to claim 4, feature exist
In: controller is equipped in the turbine shaft, controller electrically connects with electro-control converter, solenoid valve block and pressure sensor
It connects, controller is wirelessly connected by communication module and governor electrical cabinet and oil gear control cabinet.
6. the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator according to claim 1, feature exist
In: the electrical source of power of the pressure oil pump group is introduced by the way of brush from collector ring.
7. a kind of operating method of the machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator, it is characterised in that: press first
Oil pump group draws oil liquid from fuel tank, and pressure oil tank is pumped into after pressurized, and the air bag in pressure oil tank carries out storage pressure after being compressed by oil liquid,
Electro-hydraulic conversion equipment receives the regulating command of governor electrical cabinet, operates distributing valve, controls the oil of upper and lower two oil pockets of piston
Pressure, control piston are moved upwardly or downwardly, and crosshead is driven to be moved upwardly or downwardly, and traction link movement drives pivoted arm and pivot
Axis moves in a circle around pivot center line, and driving blade is rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878743.7A CN108953032A (en) | 2018-08-03 | 2018-08-03 | The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator and operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878743.7A CN108953032A (en) | 2018-08-03 | 2018-08-03 | The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator and operating method |
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| Publication Number | Publication Date |
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| CN108953032A true CN108953032A (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810878743.7A Pending CN108953032A (en) | 2018-08-03 | 2018-08-03 | The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator and operating method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156122A (en) * | 2020-01-08 | 2020-05-15 | 浙江大学 | Hydraulic direct-drive type ocean current energy generator set variable pitch mechanism |
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2018
- 2018-08-03 CN CN201810878743.7A patent/CN108953032A/en active Pending
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| SU302490A1 (en) * | Ленинградский дважды ордена Ленина металлический завод | DEVICE FOR AUTOMATIC REGULATION | ||
| CN102923287A (en) * | 2012-11-13 | 2013-02-13 | 江苏科技大学 | Full circle swinging propeller hydraulic distance-adjusting mechanism |
| JP2016156349A (en) * | 2015-02-25 | 2016-09-01 | 日立三菱水力株式会社 | Moving vane operation device |
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| CN208669497U (en) * | 2018-08-03 | 2019-03-29 | 中国长江电力股份有限公司 | The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator |
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| CN111156122A (en) * | 2020-01-08 | 2020-05-15 | 浙江大学 | Hydraulic direct-drive type ocean current energy generator set variable pitch mechanism |
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