CN105781901B - For the intermediate system of connections of generator and gear-box - Google Patents
For the intermediate system of connections of generator and gear-box Download PDFInfo
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- CN105781901B CN105781901B CN201410823708.7A CN201410823708A CN105781901B CN 105781901 B CN105781901 B CN 105781901B CN 201410823708 A CN201410823708 A CN 201410823708A CN 105781901 B CN105781901 B CN 105781901B
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- shaft coupling
- brake
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Classifications
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention provides a kind of intermediate system of connections for generator and gear-box, it is characterised in that：Including pedestal, shaft coupling, shackle device, brake, barring gear, electrical appliance, upper cover, lower cover, it is installed on the flat base between gear-box and generator, frame structure is upwardly formed in the axis of generator, visualization elongation fiberglass pipe and torsion sensor are pasted on the shaft coupling, elongation or torsion slight movement occur for fiberglass pipe, can be shown on the window reserved on upper cover shell；The brake includes actively pincers and passive pincers, and friction plate and microswitch are installed, it is pushed and actively clamped and the mobile generation clamping force of passive pincers by hydraulic way, detectable friction disc wear variation simultaneously, output alarm signal, generator drive gear chain is effectively integrated by intermediate system of connections, cost has been saved, has improved system stability and safety.
Description
Technical field
The present invention relates to a kind of device of two axis connection, more particularly to a kind of wind-force hair generator shaft and gear-box axle sleeve
Coupling arrangement belongs to mechanical coupling range.
Background technology
Green energy resource exploitation at present is the grand strategy target of sustainable development of China, and offshore wind power generation is pushed greatly
Extensively, on wind power generation unit gearing chain ring section, coupling between gear-box and generator carries and the realization of consolidation function is outstanding
It is important；Traditional adjustment and installation is typically that motor drives reduction box by a shaft coupling, and reduction box passes through Cardon universal joint again
Two-way universal shaft coupling device is connect with a ring flange, the ring flange flanged joint with the main shaft of wind-power electricity generation group again, so as to motivation
The entire transmission chain of group, due to being driven from the low speed end of wind power generating set, rotary inertia is relatively large, starting torque
Height, this is more demanding to reduction box and generator, such as to realize emergency braking at driving end, need to also be in reduction box and motor
Between separately with brake system, so as to considerably increase cost again；In its installation, generator needs centering repeatedly, such as 4MW
SCI generator gear casees are connect with generator with shaft coupling, and generator is mounted on an inclined-plane, 10 tons of generator weight, gravity
Generator is moved downward along inclined-plane component F, shaft coupling is flexible connection, is not enough to eliminate gravity G component, so generator pair
In after, the continuous movement of generator so that centering need of work is repeated, not only system complex, but also operate it is extremely inconvenient；
Then increase floating rack solve generator repeatedly to the problems in, floating rack is connect with pedestal with elastic mechanism, realization
The needs that gear-box floats, but in the case where generator long-play shakes operating mode, often will appear shaft coupling distortion and burst apart
Phenomenon, reliability be not also high.
It would therefore be desirable to solve the technical issues of aforementioned using a kind of preferred technical solution, the present invention program is used for
Improve between gear-box and generator that connection is carried and consolidation function realizes a kind of intermediate system of connections, below we will be further
The characteristics of illustrating the technical solution.
Invention content
For overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of centres for gear-box and generator
System of connections effectively integrates generator drive gear chain by intermediate system of connections, can greatly improve the performance of generator,
Reduce the process of generator drive gear chain assembling, reach the unification of artificial high efficiency and equipment assembling quality, saved cost,
Improve system stability and safety.
The purpose of the present invention is achieved through the following technical solutions：
The present invention provides a kind of intermediate system of connections for generator and gear-box, it is characterised in that：Including pedestal, connection
Axis device, shackle device, brake, barring gear, electrical appliance, upper cover, lower cover are installed on the plane bottom between generator and gear-box
On seat, frame structure is upwardly formed in the axis of generator, generator and gear-box are connected using flexural pivot mode, composition is double
Link mechanism；Visualization elongation fiberglass pipe and torsion sensor, fiberglass pipe are securely pasted on the shaft coupling
Elongation or torsion slight movement occurs, can intuitively be shown on visualization elongation fiberglass pipe and torsion sensor, positioned at upper
A visualization active window is reserved on cover shell, shaft coupling is visually detected；The brake include actively pincers and
Passive pincers, and friction plate and microswitch are installed, active pincers and passive pincers movement is pushed to generate clamping force by hydraulic way,
Detectable friction disc wear variation simultaneously, output alarm signal.
Further, the pedestal uses alloy material integral casting forming, by generator requirement by shaft coupling, shackle
Device, brake, barring gear, electrical appliance are mounted thereon, and scattered component is integrated into modular installation, can both be saved in this way
About assembly work, and scattered purchase cost can be saved.
In addition, the upper cover, lower cover material are spheroidal graphite cast-iron, die sinking is molded, and a visualization is reserved on upper cover shell
Active window had not only met and shaft coupling had visually been detected, but also can emergency situations be formed with certain protection, in the axial direction of generator
Generator using flexural pivot mode with gear-box is connected, can reduce master section partical gravity, make whole by upper formation frame structure
A transmission system movement is more steady.
Further, the shaft coupling is the shaft coupling with toothed disc and shackle device, is mounted on by shackle device
On the base plane, visualization elongation fiberglass pipe and torsion sensor, glass are securely pasted on the shaft coupling
Elongation or torsion slight movement occur for glass fibre pipe, can intuitively be shown on visualization elongation fiberglass pipe and torsion sensor
Show, shaft coupling operating condition can be understood at the first time.
Then, the shackle device is the buckle on shaft coupling, fixed in advance, adjustment and unloading shaft coupling,
Realize the transition and conversion of pedestal and the connection of gear-box main shaft.
Further, the brake is mounted on pedestal, comprising active pincers and passive pincers, is evenly distributed on described
The toothed disc both sides of shaft coupling, select normally opened or closed type, the brake control with toothed disc end face be bonded or the depth of parallelism, with
Determine the connection and interface requirement of specification brake.
Here, the barring gear be mounted on pedestal I-shaped bracket on, when that need to be adjusted to blade, system without
Method provides power source, and providing the toothed disc that power source plugs into shaft coupling by barring gear transmits torque, then by change gear box,
Fan blade is driven to be adjusted, rotating wheel hub realizes jiggering requirement, can set motor-driven and artificial actuating function respectively.
Here, the electrical appliance uses soft strength with base support, electrical appliance is enable to follow the machine of gear-box transmission of electricity axis
Tool variation provides corresponding electric energy, meets the needs of wheel hub variable pitch.
It is still further, accurate to shaft coupling, shackle device, brake, barring gear, electrical appliance component by generator requirement
When installation, wherein shaft coupling are assembled with brake, two mounting holes are set on the brake, are set behind mounting hole suitable thick
The cushion block of degree is connected to shaft coupling, brake and cushion block on pedestal with stay bolt；When assembling generator, shaft coupling and gear
After the connection of case high speed axis shrink disk, installation bolt is unclamped, takes out cushion block, quick attachment of removing is, it can be achieved that Fast Installation.
In addition, it is 3432.4 that this, which is used for generator and the intermediate system of connections gearratio of gear-box,：1, for double external toothing stars
Type gear drive, external servo motor driving, barring gear output shaft setting freewheel clutch when generator works normally, surpass
More slipping of clutch, cut-out power input, when generator is repaired in assembling, servo motor can reversely drive freewheel clutch, make
Power output.
The present invention is as follows with unique advantages and beneficial effects：
(1) technical solution of the present invention can realize that generator module makeup is matched, the brake of prior art, mounting disc,
The multinomial part such as cushion block, hand turning, stent, safety guard can be substituted, and after assembling, only two assembly components, alleviate
Weight saves assembly work, saves maintenance time, saves separate components purchase cost；
(2) for technical solution of the present invention compared with the technical solution before improvement, thoroughly solving generator needs centering repeatedly
Problem；Robust protective cover, shaft coupling are flexible connection, and multi-purpose content can not only protect assembly driving member, but also can solve
Certainly generator and gearbox drive shaft assignment problem；
(3) existing shield mounting bracket fracture is solved the problems, such as, protective cover is upwardly formed frame structure in the axis of generator,
It is connect with generator and gear-box, master section partical gravity can be reduced, by improving the flexibility of system, reduce entire gear
The maximum dynamic load of case influences, and gear and bearing are by smaller loading effect so that the service life extends, and can improve the operation time limit 5 years；
(4) components such as shaft coupling of the technical program visualize, and visualization is securely pasted on shaft coupling fiberglass pipe
Elongation or torsion slight movement occur for elongation and torsion sensor, fiberglass pipe, can be in visualization elongation and torsion sensor
Intuitive display, can understand shaft coupling operating condition at the first time.
Description of the drawings
Fig. 1 is the technical program for generator and the dimensional structure diagram of the intermediate system of connections of gear-box；
Fig. 2 is the technical program for generator and the Standard figure of the intermediate system of connections of gear-box；
Fig. 3 is the coupler structure installation diagram described in the technical program；
The meaning of each reference numeral is in figure：
1~pedestal, 2~shaft coupling, 3~shackle device, 4~brake, 5~barring gear, 6~electrical appliance, 7~upper cover, 8
~lower cover, A~generator, B~gear-box.
Specific embodiment
Technical solution of the present invention is described in detail with reference to the accompanying drawings of the specification：
As shown in Figure 1 and Figure 2, a kind of intermediate system of connections for generator and gear-box, it is characterised in that：The bottom of including
Seat 1, shaft coupling 2, shackle device 3, brake 4, barring gear 5, electrical appliance 6, upper cover 7, lower cover 8, are installed on generator A and gear
On flat base between case B, frame structure is upwardly formed in the axis of generator A, using flexural pivot mode generator A and gear
Case B is connected, and forms double connecting rod；Visualization elongation fiberglass pipe and torsion are securely pasted on the shaft coupling 2
Turn sensor, elongation or torsion slight movement occur for the fiberglass pipe, can be in visualization elongation fiberglass pipe and torsion
Turn intuitively to show on sensor, a visualization active window is reserved on 7 shell of upper cover, shaft coupling 2 is visually examined
It surveys；The brake 4 includes actively pincers and passive pincers, and is equipped with friction plate, by hydraulic way push actively pincers and by
Dynamic pincers are mobile to generate clamping force, and jogging switches measurement friction disc wear variation is also equipped on brake 4, exports alarm signal
Number.
Specifically, the upper cover 7,8 material of lower cover are spheroidal graphite cast-iron, and die sinking is molded, and one is reserved on 7 shell of upper cover can
Depending on changing active window, not only met and shaft coupling 2 had visually been detected, but also can emergency situations be formed with certain protection, described is upper
Cover 7, axis of the lower cover 8 in generator A are upwardly formed frame structure, and generator A has been connected with gear box B using flexural pivot mode
Come, form double connecting rod, it can not only meet universal requirement caused by the micro floating of gear box B, but also can offset power generation
Generator A, gear box B and other driving members are connected into an entirety, overall stiffness by machine A inclined-planes glide part partical gravity
It greatly improves, makes entire transmission system movement more steady.
Further, the pedestal 1 is parts mounting disc, using alloy material integral casting forming, sound construction,
It is light-weight, rigid high, corrosion-resistant, it is accurately positioned, ensure that the good operation of each component；By generator A requirements by shaft coupling 2,
Shackle device 3, brake 4, barring gear 5, electrical appliance 6 are installed, and will assemble the shaft coupling with toothed disc and shackle device 3
2 are fixed on pedestal 1 by cushion block and bolt, install the active pincers of brake 4 by bolt and passive pincers are fixed on pedestal 1, institute
The barring gear 5 stated is mounted on the I-shaped bracket of pedestal 1, then is installed barring gear 5 by bolt and be fixed on pedestal 1, described
Electrical appliance 6 and 1 stent of pedestal using soft strength, enable electrical appliance 6 that the machinery change of gear box B transmission of electricity axis to be followed to provide corresponding
Electric energy, meet the needs of wheel hub variable pitch, scattered component be integrated into modular installation, can both save assembler in this way
When, and scattered purchase cost can be saved.
Further, the active pincers of the brake 4 and passive pincers install a friction plate, configuration oil cylinder, liquid respectively
Cylinder pressure and resetting spring, which are located at, actively clamps side, and setting sliding axle is in passively pincers side；When hydraulic oil establishes pressure in oil cylinder, liquid
Pressure oil enters hydraulic cylinder, the piston in actively pincers is pushed to be moved to 4 direction of brake, when active friction plate touches brake 4
During one side surface, reaction force moves the negative direction on sliding axle of brake 4, so as to which driven friction be made to be pressed on brake
4 opposite side generates clamping force in 4 both sides of brake；When hydraulic oil rushes down pressure, the resetting spring on friction plate is friction plate
It is retracted with piston, in piston retraction hydraulic cylinder, brake force declines therewith, and brake 4 unclamps；It is also installed on the brake 4
There are two microswitches, it can detect stroke variation during friction disc wear, and have two groups of contact outputs, work as friction disc wear
When to a certain extent and friction plate is seriously worn, output alarm respectively.
By this method, the shaft coupling 2 is the shaft coupling with toothed disc and shackle device 3, can be with using flexible connection
Radial and axial load is absorbed, is mounted in 1 plane of pedestal by shackle device 3, on the shaft coupling 2 securely
Visualization elongation fiberglass pipe and torsion sensor is pasted, elongation or torsion slight movement occur for fiberglass pipe, can be can
It is intuitively shown in elongation fiberglass pipe and torsion sensor depending on changing, shaft coupling operating condition can be understood at the first time.
Meanwhile the barring gear 5 be mounted on pedestal 1 I-shaped bracket on, by motor, pinion gear, gear wheel,
Meshing gear, helical axis, jiggering gear, safety plug, handle composition；When that need to be adjusted to blade, system can not provide dynamic
Power source, the toothed disc transmission torque for shaft coupling 2 of being plugged by the offer power source of barring gear 5, then pass through change gear box B, it drives
Fan blade is adjusted, and rotating wheel hub realizes jiggering requirement, and sets motor-driven and artificial actuating function respectively.
Further, when needing to put into jiggering, safety plug is first extracted, pushing handle, motor coupling is until engaging tooth
Wheel is all engaged with jiggering gear；When handle is pushed to operating position, limit switch contact is closed, and connects jiggering power supply, electricity
After engine start to full speed, turbine rotor rotation is driven to carry out jiggering；If jiggering need to be stopped manually, can hand press barring motor
Stop button, motor stalling, meshing gear exits, and jiggering stops.
The technical program particularly suitable is meeting generator A and gear for the intermediate system of connections of generator and gear-box
The intermediate module of installation connection procedure complexity and later maintenance adjustment difficulty between case B, installation procedure is few after implementation, is easy to
It assembles, be conveniently adjusted, safeguard easy to use.
In conclusion above example is only one of the preferred embodiment of the present invention, this technical solution is not done into
It limits to one step, those of ordinary skill carries out the technical solution in the art conventional variation and unsubstantiality replace
It changes and is intended to be included in the protection domain of present patent application.
Claims (10)
1. a kind of intermediate system of connections for generator and gear-box, it is characterised in that：Including pedestal, shaft coupling, unload spiral-lock
It puts, brake, barring gear, electrical appliance, upper cover, lower cover, is installed on the flat base between generator and gear-box, generating electricity
The axis of machine is upwardly formed frame structure, and generator and gear-box are connected using flexural pivot mode, forms double connecting rod；
Visualization elongation fiberglass pipe and torsion sensor are securely pasted on the shaft coupling, fiberglass pipe occurs elongation or turns round
Turn slight movement, can intuitively show on visualization elongation fiberglass pipe and torsion sensor, be reserved on upper cover shell
One visualization active window, visually detects shaft coupling；The brake includes actively pincers and passive pincers, and installs
There are friction plate and microswitch, push actively pincers and passive pincers are mobile to generate clamping force, while can detect and rub by hydraulic way
Pad abrasion variation, output alarm signal；Wherein, the shaft coupling is the shaft coupling with toothed disc and shackle device.
2. the intermediate system of connections according to claim 1 for generator and gear-box, it is characterised in that：The bottom
Seat is using alloy material integral casting forming, by generator requirement by shaft coupling, shackle device, brake, barring gear, electrical appliance
It is mounted thereon.
3. the intermediate system of connections according to claim 1 for generator and gear-box, it is characterised in that：Described is upper
Cover, lower cover material are spheroidal graphite cast-iron, and die sinking is molded, and a visualization active window is reserved on upper cover shell, had both been met to shaft coupling
Device visually detects, and can emergency situations be formed with certain protection, is upwardly formed frame structure in the axis of generator, uses ball
Hinge mode connects generator with gear-box.
4. the intermediate system of connections according to claim 2 for generator and gear-box, it is characterised in that：The connection
Axis device is mounted on by shackle device on the base plane, and visualization elongation glass is securely pasted on the shaft coupling
Elongation or torsion slight movement occur for fibre pipe and torsion sensor, fiberglass pipe, can extend fiberglass pipe in visualization
With intuitively shown in torsion sensor, shaft coupling operating condition can be understood at the first time.
5. the intermediate system of connections according to claim 4 for generator and gear-box, it is characterised in that：Described unloads
Spiral-lock is set to the buckle on shaft coupling, and fixed in advance, adjustment and unloading shaft coupling realize pedestal and gear-box main shaft connection
The transition and conversion connect.
6. the intermediate system of connections according to claim 1 for generator and gear-box, it is characterised in that：The system
Dynamic device is mounted on pedestal, comprising active pincers and passive pincers, is evenly distributed on the toothed disc both sides of the shaft coupling, is selected normally opened
Or closed type, brake control with toothed disc end face be bonded or the depth of parallelism, with determine specification brake connection with connect
Mouth requirement.
7. the intermediate system of connections according to claim 6 for generator and gear-box, it is characterised in that：The system
The active pincers and passive pincers of dynamic device install a friction plate respectively, and configuration oil cylinder, hydraulic cylinder and resetting spring, which are located at, actively clamps one
Side, setting sliding axle is in passively pincers side；When hydraulic oil establishes pressure in oil cylinder, hydraulic oil enters hydraulic cylinder, pushes and actively clamps
Interior piston is moved to brake direction, and when active friction plate touches one side surface of brake, reaction force makes brake
Negative direction moves on sliding axle, and so as to which driven friction be made to be pressed on the opposite side of brake, folder is generated in brake both sides
Clamp force；When hydraulic oil rushes down pressure, the resetting spring on friction plate retracts friction plate and piston, in piston retraction hydraulic cylinder,
Releasing of brake；Two microswitches are also equipped on the brake, stroke when it can detect friction disc wear becomes
Change, and have the output of two groups of contacts, when friction disc wear is to a certain extent and when friction plate is seriously worn, output alarm respectively.
8. the intermediate system of connections according to claim 1 for generator and gear-box, it is characterised in that：The disk
Vehicle device is mounted on the I-shaped bracket of pedestal, by motor, pinion gear, gear wheel, meshing gear, helical axis, jiggering tooth
Wheel, safety plug, handle composition；When that need to be adjusted to blade, system can not provide power source, and power is provided by barring gear
The plug into toothed disc of shaft coupling of source transmits torque, then by change gear box, fan blade is driven to be adjusted, rotating wheel hub realizes disk
Vehicle requirement, and motor-driven and artificial actuating function respectively is set.
9. the intermediate system of connections according to claim 1 for generator and gear-box, it is characterised in that：Described is defeated
Electric appliance uses soft strength with base support, and the machinery change that electrical appliance follows gear-box transmission of electricity axis is enable to provide corresponding electric energy,
Meet the needs of wheel hub variable pitch.
10. the intermediate system of connections according to claim 1 for generator and gear-box, it is characterised in that：This is used for
The intermediate system of connections gearratio of generator and gear-box is 3432.4：1, for double external toothing star gear systems, external servo
Motor drives, and barring gear output shaft setting freewheel clutch, when generator works normally, freewheel clutch skids, and cut-out is dynamic
Power inputs, and when generator is repaired in assembling, servo motor can reversely drive freewheel clutch, make power output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823708.7A CN105781901B (en) | 2014-12-26 | 2014-12-26 | For the intermediate system of connections of generator and gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823708.7A CN105781901B (en) | 2014-12-26 | 2014-12-26 | For the intermediate system of connections of generator and gear-box |
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| CN105781901A CN105781901A (en) | 2016-07-20 |
| CN105781901B true CN105781901B (en) | 2018-06-08 |
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| CN110487573B (en) * | 2019-08-16 | 2021-06-01 | 太原重工股份有限公司 | Composite test device and test method for variable pitch system of wind turbine generator |
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| CN202382464U (en) * | 2011-12-29 | 2012-08-15 | 西南科技大学 | Water heater with water full and insufficiency alarming device |
| CN202441780U (en) * | 2012-02-20 | 2012-09-19 | 华锐风电科技(集团)股份有限公司 | Brake disc and coupling |
| CN202811229U (en) * | 2012-09-21 | 2013-03-20 | 华锐风电科技(集团)股份有限公司 | Wind turbine generator set high-speed shaft protective cover |
| CN204493088U (en) * | 2014-12-26 | 2015-07-22 | 南京朗劲风能设备制造有限公司 | For the middle system of connections of generator and gear-box |
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|---|---|
| CN105781901A (en) | 2016-07-20 |
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Address after: No. 669 Jiangjun Avenue, Jiangning Development Zone, Nanjing City, Jiangsu Province, 211102 Patentee after: Nanjing Langjin Intelligent Manufacturing Co.,Ltd. Country or region after: China Address before: No. 669 Jiangjun Avenue, Jiangning Development Zone, Nanjing City, Jiangsu Province, 211102 Patentee before: NANJING LONGWIN WINDPOWER EQUIPMENT MANUFACTURING CO.,LTD. Country or region before: China |