CN201680969U - Load loading device of complete machine test stand of high-power wind turbine generator set - Google Patents
Load loading device of complete machine test stand of high-power wind turbine generator set Download PDFInfo
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- CN201680969U CN201680969U CN2010201957421U CN201020195742U CN201680969U CN 201680969 U CN201680969 U CN 201680969U CN 2010201957421 U CN2010201957421 U CN 2010201957421U CN 201020195742 U CN201020195742 U CN 201020195742U CN 201680969 U CN201680969 U CN 201680969U
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Abstract
The utility model relates to a load loading device of a complete machine test stand of a high-power wind turbine generator set, which comprises a loading shaft and twelve hydraulic cylinders, wherein two groups of bearings and bearing seats which are respectively matched with each group of the bearings are arranged in preset positions of the loading shaft at intervals, one end of the loading shaft is linked with a universal coupling at the driving end through a transition flange, and the other end thereof is connected with an input shaft of a testing machine set at the testing end through a transition flange; and the twelve hydraulic cylinders are respectively arranged on the two bearing seats along the x direction, the y direction and the z direction, one end of each hydraulic cylinder is linked on the bearing seat through a joint bearing, the other end of each hydraulic cylinder is linked on a support of the hydraulic cylinder through the joint bearing, and the support of each hydraulic cylinder is linked on a base of the test stand, wherein the x direction, the y direction and the z direction are pairwise and mutually perpendicular. The load loading device can carry out strict testing on product quality during the stages of the design, the assembly and the like of the wind turbine generator set, reduce the operational risk of a product after leaving a factory and realize the universality of loading tests of the generator sets with different power.
Description
Technical field
The utility model relates to a kind of load charger that is used for high-power wind-driven generator group overall test platform.
Background technology
Along with the continuous development of wind power technology, the power of wind-powered electricity generation unit mainstream model is increasing, and particularly the research and development and the installation progress of high-power unit accelerated in the exploitation of coastal waters wind energy resources to a great extent.At present each big main flow wind-powered electricity generation enterprise releases super-huge wind-powered electricity generation unit one after another for following offshore wind farm market of competition in the world, expects the year two thousand twenty, and single-machine capacity will reach 15MW.But because the restriction of the test condition of research and development and assembling stage, the reliability of large fan is difficult to guarantee.
For improving operational reliability, the reduction failure rate after the wind-powered electricity generation unit is installed, carry out equipment development and dispatch from the factory before performance test seem particularly important, by effective experimental test can before blower fan puts goods on the market, find design, produce, deficiency in the assembling, risk is dropped to minimum.
At present, domestic fan test testing table is because technical limitation, mostly be the test of dispatching from the factory of 3.0MW and following unit and use testing table, just simple performance test, particularly suffered load of blower fan and blower fan actual operating state difference are bigger in the test, can not reflect blower fan actual motion performance.Specifically, the form of existing wind power generating set system test testing table is: generator on the usefulness wind-powered electricity generation unit and gear case are as the drive end of testing table, and drive end connects the input end of unit to be measured by Hooks coupling universal coupling.During test, the drive end generator is made motor and is used, but test can only be simulated the torque load from drive end, has than large deviation with the actual suffered load of blower fan.So experimental test effect and the actual gap greatly of having compared can not reflect the actual operating state of testing unit.
Because still useless load in high-power unit loads the overall test platform, become the bottleneck of high-power unit research and development progress to a great extent both at home and abroad.For this reason, designer spy of the present utility model designs the experimental test ability that a kind of load charger that is used for high-power wind-driven generator group overall test platform can effectively solve the wind-powered electricity generation unit, to accelerate the research and development and the installation progress of high-power wind turbine unit.
Summary of the invention
The purpose of this utility model is to provide a kind of load charger of high-power wind-driven generator group overall test platform, to overcome the difference of present wind-powered electricity generation unit delivery test and actual fan operation situation, particularly more accurate aspect the simulation of the suffered load of unit, the operation conditions of real reflection unit is in the hope of obtaining the actual performance parameter of unit operation before the blower fan installation.In the stages such as the design of wind-powered electricity generation unit, assemblings product quality is carried out strict test, the operation risk behind optimization properties of product, the reduction product export.When experiment, load, simulate the suffered actual wind load situation of wind-powered electricity generation unit input shaft, and can realize the versatility of different capacity unit load test by load.
For reaching above-mentioned purpose, the load charger of a kind of high-power wind-driven generator group of the utility model overall test platform, it comprises:
Load axle, the bearing seat that is interval with two groups of bearings on its predeterminated position and matches with every group of bearing respectively, a described end that loads axle connects by counter flange with the Hooks coupling universal coupling of described drive end, and the described other end that loads axle is connected by counter flange with the test unit input shaft of test lead;
12 hydraulic cylinders, be located on described two bearing seats along x, y and z direction respectively, one end of each hydraulic cylinder is connected on the bearing seat by oscillating bearing, and the other end is connected on the hydraulic cylinder bearing by oscillating bearing, and the hydraulic cylinder bearing is connected on the testing table base;
Wherein, x direction, y direction and z direction are vertical in twos.
The load charger of described high-power wind-driven generator group overall test platform, wherein, a described bearing seat upper edge x direction is provided with two hydraulic cylinders, is provided with two hydraulic cylinders along the y direction, is provided with two hydraulic cylinders along the z direction; Another bearing seat upper edge x direction is provided with two hydraulic cylinders, is provided with two hydraulic cylinders along the y direction, is provided with two hydraulic cylinders along the z direction.
The load charger of described high-power wind-driven generator group overall test platform, wherein, described loading axle adopts the optical axis structure.
The load charger of described high-power wind-driven generator group overall test platform, wherein, the described axle that loads is equipped with sleeve with being installed between the bearing that loads spool.
The load charger of described high-power wind-driven generator group overall test platform, wherein, a described end that loads axle adopts castellated the connection with the Hooks coupling universal coupling of described drive end by counter flange.
The load charger of described high-power wind-driven generator group overall test platform wherein, is equipped with pressure transducer and controls each hydraulic cylinder by a cover hydraulic control system on each hydraulic cylinder.
Advantage of the present utility model is:
1) loads axle and adopt the optical axis structure, under equal load condition, reduce the diameter of axle, increase the safety coefficient of axle;
2) when the simulation axial force, four hydraulic cylinders are divided into two groups and act on two bearing seats, to reduce the axial bearing capacity of each bearing;
3) load axle and connect by counter flange, to satisfy the versatility requirement of the different units of test with the test unit;
4) load axle and adopt castellated the connection, thereby satisfy the requirement that to transmit in the experiment than high pulling torque with driving side Hooks coupling universal coupling counter flange.
Description of drawings
Fig. 1 is the actual suffered load schematic of wind power generating set;
Fig. 2 is that the loading end of the utility model load charger connects synoptic diagram;
Fig. 3 is the vertical view of load charger of the present utility model.
1,2,3,4,5,5 ', 6,6 ', 7,8,9, the 10-hydraulic cylinder description of reference numerals:; The 11-Hooks coupling universal coupling; The 12-counter flange; 13-loads axle; The 14-counter flange; 15-test unit input shaft; 16-hydraulic cylinder bearing; The 17-bearing seat; The 100-load charger; The 200-drive end; The 300-test lead; The Fx-axial force; Fy, Fz-radial force; The Mx-moment of torsion; My, Mz-moment of flexure.
Embodiment
About the utility model is the application target that reaches above-mentioned and effect and the technological means that adopted, now enumerate preferable feasible embodiment, and cooperate graphic shown in, details are as follows:
The load charger of a kind of high-power wind-driven generator group of the utility model overall test platform, they can 5 wind loads of simulation test unit except moment of torsion Mx, be axial force F x, the radial force Fy of y direction, radial force Fz, the moment M y of z direction, the moment M z of x direction, wherein x direction, y direction and z direction are vertical in twos, as shown in Figure 1.
As shown in Figure 2, load charger 100 of the present utility model, an end of described load charger 100 connects drive end 200, and the other end connects test lead 300.
Again as shown in Figure 3, it is the vertical view of the utility model load charger, and described load charger 100 mainly comprises: 12 hydraulic cylinders (1,2,3,4,5,5 ', 6,6 ', 7,8,9,10), loading axle 13, counter flange 14, bearing and bearing seat 17 etc.Wherein load the bearing seat 17 that is interval with two groups of bearing (not shown) and matches with every group of bearing respectively on the predeterminated position of axle 13, every group of bearing seat 17 is connected with six hydraulic cylinders respectively on x, y, z direction.Bearing and bearing seat 17 with left side among Fig. 3 are example, and bearing seat 17 is provided with hydraulic cylinder (5,6) along the x direction, is provided with hydraulic cylinder (9,10) along the y direction, is provided with hydraulic cylinder (1,2) along the z direction; Corresponding with it, the bearing seat 17 on right side is provided with hydraulic cylinder (5 ', 6 ') along the x direction among Fig. 3, is provided with hydraulic cylinder (7,8) along the y direction, is provided with hydraulic cylinder (3,4) along the z direction.Wherein an end of each hydraulic cylinder is connected on the bearing seat 17 by oscillating bearing, and the other end is connected on the hydraulic cylinder bearing 16 by oscillating bearing, and hydraulic cylinder bearing 16 is connected to (not shown) on the testing table base.In addition, pressure transducer and control the driving force size and the direction of each hydraulic cylinder according to the situation of test wind load by a cover hydraulic control system is installed on each hydraulic cylinder.
Described loading axle 13 adopts the optical axis structures, also the sleeve (not shown) can be installed at the described axle 13 that loads with being installed between the bearing that loads on the axle 13 so that with described Bearing Installation in an optional position that loads on spools 13.
A described end that loads axle 13 adopts castellated the connection with the Hooks coupling universal coupling 11 of drive end 200 by counter flange 12, adopts castellated connection to satisfy the requirement that can transmit big torque in the experiment; The other end that loads axle 13 is connected by counter flange 14 with the test unit input shaft 15 of test lead 300, can test the different units with different diameters of axle with this, satisfies versatility requirement.Be loaded into two loading transfer on the bearing seat 17 to loading axle 13 by hydraulic cylinder, load axle 13 and transfer loads to test unit input shaft 15, with simulation wind wheel load.
Return Fig. 1, wherein 12 hydraulic cylinders can be simulated the load of wind-powered electricity generation unit except that moment of torsion Mx, wherein:
(1) radial force Fz and moment M y shown in hydraulic cylinder (1,2,3, the 4) simulation drawing 1.
(2) axial force F x shown in hydraulic cylinder (5,5 ', 6, the 6 ') simulation drawing 1.
(3) radial force Fy and moment M z shown in hydraulic cylinder (7,8,9, the 10) simulation drawing 1.
Above-mentioned hydraulic cylinder allocative decision also will be guaranteed the coupling of three axle/radial force Fx, Fy, Fz and two moment M y, Mz in the testing program loadmeter when realizing 5 load of simulation.The simulation of moment of torsion Mx can realize by drive end 200.
Advantage of the present utility model is:
1) loads axle and adopt the optical axis structure, under equal load condition, can reduce the diameter of axle, increase the safety coefficient of axle simultaneously;
2) when the simulation axial force, four hydraulic cylinders (5,5 ', 6,6 ') are divided into two groups and act on two bearing seats, to reduce the axial bearing capacity of each bearing;
3) load axle and connect by counter flange, to satisfy the versatility requirement of the different units of test with the test unit;
4) load axle and adopt castellated the connection, thereby satisfy the requirement that to transmit in the experiment than high pulling torque with driving side Hooks coupling universal coupling counter flange.
Only the above, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, so the change of numerical value or displacement of equivalent elements such as, or, all should still belong to the category that the utility model patent contains according to equalization variation and modification that the utility model claim is done.
Claims (6)
1. the load charger of a high-power wind-driven generator group overall test platform is characterized in that, comprising:
Load axle, the bearing seat that is interval with two groups of bearings on its predeterminated position and matches with every group of bearing respectively, a described end that loads axle connects by counter flange with the Hooks coupling universal coupling of described drive end, and the described other end that loads axle is connected by counter flange with the test unit input shaft of test lead;
12 hydraulic cylinders, be located on described two bearing seats along x, y and z direction respectively, one end of each hydraulic cylinder is connected on the bearing seat by oscillating bearing, and the other end is connected on the hydraulic cylinder bearing by oscillating bearing, and the hydraulic cylinder bearing is connected on the testing table base;
Wherein, x direction, y direction and z direction are vertical in twos.
2. the load charger of high-power wind-driven generator group overall test platform according to claim 1, it is characterized in that, a described bearing seat upper edge x direction is provided with two hydraulic cylinders, is provided with two hydraulic cylinders along the y direction, is provided with two hydraulic cylinders along the z direction; Another bearing seat upper edge x direction is provided with two hydraulic cylinders, is provided with two hydraulic cylinders along the y direction, is provided with two hydraulic cylinders along the z direction.
3. the load charger of high-power wind-driven generator group overall test platform according to claim 1 is characterized in that, described loading axle adopts the optical axis structure.
4. the load charger of high-power wind-driven generator group overall test platform according to claim 3 is characterized in that, the described axle that loads is equipped with sleeve with being installed between the bearing that loads spool.
5. the load charger of high-power wind-driven generator group overall test platform according to claim 1 is characterized in that, a described end that loads axle adopts castellated the connection with the Hooks coupling universal coupling of described drive end by counter flange.
6. the load charger of high-power wind-driven generator group overall test platform according to claim 1 is characterized in that, pressure transducer is installed on each hydraulic cylinder and controls each hydraulic cylinder by a cover hydraulic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201957421U CN201680969U (en) | 2010-05-14 | 2010-05-14 | Load loading device of complete machine test stand of high-power wind turbine generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201957421U CN201680969U (en) | 2010-05-14 | 2010-05-14 | Load loading device of complete machine test stand of high-power wind turbine generator set |
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| Publication Number | Publication Date |
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| CN201680969U true CN201680969U (en) | 2010-12-22 |
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| CN2010201957421U Expired - Lifetime CN201680969U (en) | 2010-05-14 | 2010-05-14 | Load loading device of complete machine test stand of high-power wind turbine generator set |
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| CN (1) | CN201680969U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156047A (en) * | 2011-04-02 | 2011-08-17 | 浙江大学 | Loading simulation device for test bed of wind turbine |
| CN103134682A (en) * | 2011-11-24 | 2013-06-05 | 华锐风电科技(集团)股份有限公司 | Experiment table of wind generating set |
| CN103175678A (en) * | 2011-12-23 | 2013-06-26 | 华锐风电科技(集团)股份有限公司 | Loading test table |
| CN103323234A (en) * | 2013-05-28 | 2013-09-25 | 清华大学 | Fan speed-increasing gearbox test bed capable of achieving pose controlling and spindle loading |
| CN105067364A (en) * | 2015-08-21 | 2015-11-18 | 东方电气风电有限公司 | Overall strength test method and device for wind driven generator |
| CN105185206A (en) * | 2015-09-25 | 2015-12-23 | 南车株洲电力机车研究所有限公司 | Wind generating set wind load simulator |
| CN106405415A (en) * | 2016-08-26 | 2017-02-15 | 中车株洲电力机车研究所有限公司 | Wind generating set unidirectional offset load loading device |
| CN107327374A (en) * | 2016-12-13 | 2017-11-07 | 云南能投海装新能源设备有限公司 | A kind of wind power generating set workshop simulative debugging platform |
| CN109185073A (en) * | 2018-07-27 | 2019-01-11 | 江苏科技大学 | A kind of the wind load loading experimental apparatus and application method of marine floating type blower |
| CN113567160A (en) * | 2021-06-30 | 2021-10-29 | 明阳智慧能源集团股份公司 | Loading test system for wind driven generator |
-
2010
- 2010-05-14 CN CN2010201957421U patent/CN201680969U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156047A (en) * | 2011-04-02 | 2011-08-17 | 浙江大学 | Loading simulation device for test bed of wind turbine |
| CN103134682A (en) * | 2011-11-24 | 2013-06-05 | 华锐风电科技(集团)股份有限公司 | Experiment table of wind generating set |
| CN103134682B (en) * | 2011-11-24 | 2015-06-24 | 华锐风电科技(集团)股份有限公司 | Experiment table of wind generating set |
| CN103175678B (en) * | 2011-12-23 | 2015-09-16 | 华锐风电科技(集团)股份有限公司 | Bracket loading test platform |
| CN103175678A (en) * | 2011-12-23 | 2013-06-26 | 华锐风电科技(集团)股份有限公司 | Loading test table |
| CN103323234A (en) * | 2013-05-28 | 2013-09-25 | 清华大学 | Fan speed-increasing gearbox test bed capable of achieving pose controlling and spindle loading |
| CN103323234B (en) * | 2013-05-28 | 2015-07-08 | 清华大学 | Fan speed-increasing gearbox test bed capable of achieving pose controlling and spindle loading |
| CN105067364A (en) * | 2015-08-21 | 2015-11-18 | 东方电气风电有限公司 | Overall strength test method and device for wind driven generator |
| CN105185206A (en) * | 2015-09-25 | 2015-12-23 | 南车株洲电力机车研究所有限公司 | Wind generating set wind load simulator |
| CN106405415A (en) * | 2016-08-26 | 2017-02-15 | 中车株洲电力机车研究所有限公司 | Wind generating set unidirectional offset load loading device |
| CN107327374A (en) * | 2016-12-13 | 2017-11-07 | 云南能投海装新能源设备有限公司 | A kind of wind power generating set workshop simulative debugging platform |
| CN109185073A (en) * | 2018-07-27 | 2019-01-11 | 江苏科技大学 | A kind of the wind load loading experimental apparatus and application method of marine floating type blower |
| CN113567160A (en) * | 2021-06-30 | 2021-10-29 | 明阳智慧能源集团股份公司 | Loading test system for wind driven generator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |