CN106405415A - Wind generating set unidirectional offset load loading device - Google Patents
Wind generating set unidirectional offset load loading device Download PDFInfo
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- CN106405415A CN106405415A CN201610735176.0A CN201610735176A CN106405415A CN 106405415 A CN106405415 A CN 106405415A CN 201610735176 A CN201610735176 A CN 201610735176A CN 106405415 A CN106405415 A CN 106405415A
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- loading
- generating set
- wind power
- power generating
- unidirectional
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind generating set unidirectional offset load loading device. The loading device comprises a loading revolving shaft, wherein one end of the loading revolving shaft is connected with an input shaft of a wind generating set, the loading revolving shaft is sleeved with a bearing seat, a sliding bearing is arranged between the bearing seat and the loading revolving shaft, and one side of the bearing seat is provided with a loading assembly used for applying pull force or push force onto the bearing seat. The loading device is advantaged in that the structure is simple, loading is simple and convenient, and high precision is realized.
Description
Technical field
The invention mainly relates to technical field of wind power generation, refer in particular to a kind of wind power generating set unidirectional unbalance loading charger.
Background technology
Wind energy is greatly developed by countries in the world as a kind of novel energy, and wind power generating set is Wind Power Utilization
Exemplary device, it is a complicated electro-mechanical system, and bulky, and cost of installation and maintenance is very high, and its transmission
System is fault rate highest subsystem again.
Continuous improvement with power of fan grade and the development of offshore wind farm, in order to know wind turbine before batch is installed
The performance deficiency that group exists, generally requires for Wind turbines model machine newly developed to carry out actual trial operation in test wind field, this mistake
Journey needs to expend great manpower and materials, rents including test seat in the plane, model machine lifts and dismounting, blower fan are safeguarded, tester's length
Phase post, and in order to know its more comprehensively performance, typically at least carry out the trial operation testing time of half a year to 1 year, become
This high, inefficiency, and be difficult to obtain the desired working condition occurring of actual test.
At present in wind power generating set test process, often can only provide simulation wind wheel rotating torques as load,
Or the complicated and multiaxis loading loading system of costliness, both equipment is all complicated and the simulation to real operating mode
Less accurate.And when testing, typically only load the torque of transmission, and to unbalance loading concern seldom, lead in actual wind field fortune
During row, main shaft is affected by unbalance loading and is led to substantial amounts of oil leak.
Content of the invention
The technical problem to be solved in the present invention is that：The technical problem existing for prior art, the present invention provides one
Plant the wind power generating set unidirectional unbalance loading charger that structure is simple, loading is easy.
For solving above-mentioned technical problem, technical scheme proposed by the present invention is：
A kind of unidirectional unbalance loading charger of wind power generating set, including loading gyroaxis, one end of described loading gyroaxis and wind
The input shaft of power generator group is connected, and described loading gyroaxis is arranged with bearing block, described bearing block loads revolution with described
It is provided with sliding bearing, the side of described bearing block is provided with the loading group for bearing block is applied with pulling force or thrust between axle
Part.
Improvement further as technique scheme：
Described charging assembly includes pressure cylinder, and the movable end of described pressure cylinder is then connected with described bearing block.
Described pressure cylinder is hydraulic cylinder or cylinder.
The axis of described expansion link is located on same vertical line with the central point of described bearing block and sliding bearing.
Described charging assembly also includes force (forcing) pump, pressurizing valve and relief valve, and described force (forcing) pump passes through pressurizing valve respectively and lets out
Pressure valve is connected with pressure cylinder.
Described pressure cylinder is fixedly mounted on a base rack.
Described charging assembly is screw thread frame for movement or roller screw structure.
Compared with prior art, it is an advantage of the current invention that：
The wind power generating set unidirectional unbalance loading charger of the present invention, applies the mould being computed by charging assembly to gyroaxis
Intend the load of simulation result, the response to the drive system of blower fan, particularly axis system measures and analyzes, such that it is able to
Under laboratory conditions, Fast Modular draws up the deformation of various operating mode lower main axis, and the sealing situation at base bearing, such that it is able to carry
Defect in front solution technology is it is ensured that the installation quality of the main shaft system of generating set；In addition the charger structure letter of the present invention
Single, control is easy and loading accuracy is high.
Brief description
Fig. 1 is the enforcement illustration in concrete application for the present invention.
Fig. 2 is the control principle drawing of the charging assembly of the present invention.
In figure label represents：1st, base rack；2nd, load gyroaxis；3rd, bearing block；4th, sliding bearing；5th, charging assembly；
51st, pressure cylinder；52nd, force (forcing) pump；53rd, pressurizing valve；54th, relief valve.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As depicted in figs. 1 and 2, the wind power generating set of the present embodiment unidirectional unbalance loading charger, including loading gyroaxis
2, the one end loading gyroaxis 2 is connected with the input shaft of wind power generating set, loads and is arranged with bearing block 3, bearing on gyroaxis 2
Seat 3 and load and be provided with sliding bearing 4 between gyroaxis 2, the side of bearing block 3 be provided with for bearing block 3 is applied pulling force or
The charging assembly 5 of thrust.The wind power generating set unidirectional unbalance loading charger of the present invention, is applied to gyroaxis by charging assembly 5
Plus the load of the analog simulation result being computed, the response to the drive system of blower fan, particularly axis system measures
And analysis, the deformation of various operating mode lower main axis is drawn up such that it is able to Fast Modular under laboratory conditions, and the sealing at base bearing
Situation, such that it is able to the defect in solution technology in advance it is ensured that the installation quality of the main shaft system of generating set；The other present invention's
Charger structure is simple, control easy and loading accuracy is high.
In the present embodiment, the one end loading gyroaxis 2 is connected by adapter flange with the input shaft of generating set, works as wind-powered electricity generation
During unit rotary motion, rotary motion can be transmitted to loading gyroaxis 2.In addition load logical between gyroaxis 2 and sliding bearing 4
Cross reasonable clearance cooperation it is ensured that in loading procedure, loading the shadow that gyroaxis 2 is freely rotatable and is not subject to sliding bearing 4
Ring.
In the present embodiment, charging assembly 5 includes pressure cylinder 51 and is installed on expansion link in pressure cylinder 51, wherein pressure
Cylinder 51 is fixed on a base rack 1, and the movable end of expansion link is then connected with bearing block 3, and the Main Function of base rack 1 is to carry
For counteracting force, and keep stablizing of device during off working state；The wherein axis of expansion link and bearing block 3 and sliding bearing 4
Central point be located at same vertical line on, thus ensure load precision.Wherein pressure cylinder 51 is hydraulic cylinder or cylinder, permissible
Pulling force or thrust are provided.In other embodiments, charging assembly 5 can also be the screw thread machinery commonly used at present or roller screw comes
Load is provided.
As shown in Fig. 2 in the present embodiment, charging assembly 5 also includes force (forcing) pump 52, pressurizing valve 53 and relief valve 54, pressurization
Pump 52 is connected with pressure cylinder 51 with relief valve 54 by pressurizing valve 53 respectively.In experiment, start force (forcing) pump 52 to pressure cylinder 51
Pressurizeed, and the change by switch size controlled loading assembly 5 loading force of pressurizing valve 53；During pressure release, by controlling
The switch size of relief valve 54, to realize the change of loading force；In normal control, coordinate opening of pressurizing valve 53 and relief valve 54
Close size, be capable of the change of loading force.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonging under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, should be regarded as the protection of the present invention
Scope.
Claims (7)
1. a kind of unidirectional unbalance loading charger of wind power generating set is it is characterised in that include loading gyroaxis（2）, described loading
Gyroaxis（2）One end be connected with the input shaft of wind power generating set, described loading gyroaxis（2）On be arranged with bearing block（3）,
Described bearing block（3）With described loading gyroaxis（2）Between be provided with sliding bearing（4）, described bearing block（3）Side be provided with
For to bearing block（3）Apply the charging assembly of pulling force or thrust（5）.
2. the unidirectional unbalance loading charger of wind power generating set according to claim 1 is it is characterised in that described charging assembly
（5）Including pressure cylinder（51）, described pressure cylinder（51）Movable end then with described bearing block（3）It is connected.
3. the unidirectional unbalance loading charger of wind power generating set according to claim 2 is it is characterised in that described pressure cylinder
（51）For hydraulic cylinder or cylinder.
4. the unidirectional unbalance loading charger of the wind power generating set according to Claims 2 or 3 is it is characterised in that described pressure
Cylinder（51）Axis and described bearing block（3）And sliding bearing（4）Central point be located at same vertical line on.
5. the unidirectional unbalance loading charger of the wind power generating set according to Claims 2 or 3 is it is characterised in that described loading
Assembly（5）Also include force (forcing) pump（52）, pressurizing valve（53）And relief valve（54）, described force (forcing) pump（52）Pass through pressurizing valve respectively
（53）And relief valve（54）With pressure cylinder（51）It is connected.
6. the unidirectional unbalance loading charger of the wind power generating set according to Claims 2 or 3 is it is characterised in that described pressure
Cylinder（51）It is fixedly mounted on a base rack（1）On.
7. the wind power generating set unidirectional unbalance loading charger according to claim 1 or 2 or 3 is it is characterised in that described add
Carry assembly（5）For screw thread frame for movement or roller screw structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610735176.0A CN106405415B (en) | 2016-08-26 | 2016-08-26 | Unidirectional unbalance loading device of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610735176.0A CN106405415B (en) | 2016-08-26 | 2016-08-26 | Unidirectional unbalance loading device of wind generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106405415A true CN106405415A (en) | 2017-02-15 |
| CN106405415B CN106405415B (en) | 2020-02-18 |
Family
ID=58005294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610735176.0A Active CN106405415B (en) | 2016-08-26 | 2016-08-26 | Unidirectional unbalance loading device of wind generating set |
Country Status (1)
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| CN (1) | CN106405415B (en) |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08122192A (en) * | 1994-10-21 | 1996-05-17 | Mitsubishi Electric Corp | Equipment and method for detecting state of load of induction motor |
| JP2001251755A (en) * | 2000-03-07 | 2001-09-14 | Nishishiba Electric Co Ltd | Detector for single open phase of synchronous generator |
| JP2005062073A (en) * | 2003-08-19 | 2005-03-10 | Ntn Corp | Performance evaluation test machine of bearing for planetary gear support |
| DE102009026943B3 (en) * | 2009-06-15 | 2010-12-02 | Sven Henze | Bearing test device for testing of bearing units designed for bearing of rotor of wind power plant or shaft standing in drive connection with rotor, has torsional vibration chain, which is excited by drive unit and excitation unit |
| CN201680966U (en) * | 2010-05-14 | 2010-12-22 | 华锐风电科技(集团)股份有限公司 | Test bench commonly used by high-power wind generating set |
| CN201680969U (en) * | 2010-05-14 | 2010-12-22 | 华锐风电科技(集团)股份有限公司 | Load loading device of complete machine test stand of high-power wind turbine generator set |
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| CN106405415B (en) | 2020-02-18 |
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