CN101713703B - Variable-pitch slewing bearing experiment table of wind driven generator - Google Patents
Variable-pitch slewing bearing experiment table of wind driven generator Download PDFInfo
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- CN101713703B CN101713703B CN2009102628207A CN200910262820A CN101713703B CN 101713703 B CN101713703 B CN 101713703B CN 2009102628207 A CN2009102628207 A CN 2009102628207A CN 200910262820 A CN200910262820 A CN 200910262820A CN 101713703 B CN101713703 B CN 101713703B
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- 238000002474 experimental method Methods 0.000 title claims abstract description 19
- 238000011068 loading method Methods 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 238000012937 correction Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The invention discloses a wind driven generator variable pitch slewing bearing experiment table which comprises an axial loading frame, an axial force loading oil cylinder, a total loading plate, two variable pitch slewing bearings to be tested with the same specification, a large gear, a left connecting plate, a right connecting plate, a slewing bearing mounting base, an overturning moment loading arm, an overturning moment loading oil cylinder, a power driving module and a radial force loading oil cylinder. The invention can simulate the running state of the wind driven generator variable-pitch slewing bearing under various complex loads in a vertical installation state, simultaneously detect the starting torque of the variable-pitch slewing bearing, monitor the resistance torque, the roller path abrasion loss, the lubricant temperature and the vibration signal in real time during running and evaluate the fatigue life of the variable-pitch slewing bearing.
Description
Technical field
The present invention relates to a kind of large size bearing experiment table, be specifically related to a kind of experimental table of wind-driven generator pitching slewing support.
Background technology
Pivoting support generally can be regarded as a huge bearing, mainly comprises compositions such as inner ring, outer ring, rolling body, spacing block, is the indispensable parts of all rotating relatively large components of needs of machine.The MW class wind turbine of main flow nearly all is a paddle changing wind power generator in the market, is primarily characterized in that the blade root of every blade is connected with wheel hub by a cover pitching slewing support.In recent years, both at home and abroad aerogenerator installed capacity rapid growth has driven the development of wind-driven generator pitching slewing support industry, domestic and international many producers wind-driven generator pitching slewing support of going into operation one after another.Yet, the general stand under load complexity of wind-driven generator pitching slewing support, life-span and reliability requirement are high, and domestic and international many pitching slewing support quality all are difficult to guarantee.
At present, seldom there is wind-driven generator pitching slewing support manufacturing enterprise to provide both at home and abroad and can proves its product quality experimental data.Both at home and abroad all there are separately pivoting support load-bearing capacity and life formula in standard and many pivoting supports manufacturing firm, the pivoting support that these calculating formula and check are all installed based on level, however the pitching slewing support work of aerogenerator is in vertically or the inclination installment state often.In addition, relatively the correlation computations formula of each pivoting support is found, these formula all have identical form, be that correction factor multiply by basic rating life, for the pivoting support of same specification, its basic rating life is identical, still, different standards or producer but have nothing in common with each other to the processing of correction factor, so correction factor has reflected the quality of production and the applying working condition of each producer's pivoting support from certain degree.The correction of coefficient need be based on a large amount of experiments and practical application statistical data, and does not domesticly also have at present to carry out the complicated experimental assembly that loads and gather coherent signal to the different size wind-driven generator pitching slewing support and occur.
Summary of the invention
The objective of the invention is to propose a kind of experimental table of wind-driven generator pitching slewing support that can carry out life experiment to the wind-driven generator pitching slewing support of different size, can be used to assess the workmanship of wind-driven generator pitching slewing support, provide experimental data for setting up pitching slewing support correlation computations model.
Technical scheme of the present invention is:
A kind of experimental table of wind-driven generator pitching slewing support, comprise pivoting support installation basis, described pivoting support is installed the basis and is vertically placed, vertically install one on it and treat first pitching slewing support of experiment and second pitching slewing support to be tested, the moving-coil of first pitching slewing support to be tested and second pitching slewing support to be tested is installed in the both sides of gear wheel respectively, and first pitching slewing support to be tested is connected total load plate and pivoting support by left web joint respectively with second pitching slewing support to be tested the basis is installed with right web joint; Total load plate left end connects to loading frame by the axial force load cylinder, total load plate lower end is provided with the radial force load cylinder, gear wheel connects the power drive module, total load plate right-hand member connects the upsetting moment loading arm that passes first pitching slewing support to be tested and the second pitching slewing support inside to be tested, and upsetting moment loading arm right-hand member connects the upsetting moment load cylinder.
Can realize the experiment of different size pitching slewing support by changing left web joint and right web joint.
First pitching slewing support described to be tested and second pitching slewing support to be tested are the pitching slewing support of two cover same specifications, first pitching slewing support to be tested is connected with gear wheel by bolt respectively with the moving-coil of second pitching slewing support to be tested, and the circle of deciding of first pitching slewing support to be tested and second pitching slewing support to be tested is connected with right web joint with left web joint by bolt respectively.
Described total load plate is connected by bolt with left web joint, and right web joint is installed the basis with pivoting support and is connected by bolt.
Being written into by axial force load cylinder, upsetting moment load cylinder, radial force load cylinder combination loading of pivoting support of windmill generator is implemented in the running status of simulation wind-driven generator pitching slewing support under various complex loads under the vertical installment state, detect the staring torque of pitching slewing support simultaneously, the moment of resistance, lubricant temperature, vibration signal during monitoring operation in real time, the fatigue lifetime of evaluation pitching slewing support.
Described power drive module is made up of oil motor or motor, torque sensor, pinion wheel, installation foundation structure; Torque sensor is installed between oil motor and the pinion wheel or is installed between motor and the pinion wheel, and torque sensor is connected with oil motor or motor by shaft coupling or expansion set, and torque sensor is connected with pinion wheel by expansion set or shaft coupling.
Be provided with temperature sensor in one or several oil hole of first pitching slewing support described to be tested and/or second pitching slewing support to be tested.
Torque sensor is gathered in real time by the steering resistance square signal of experiment pitching slewing support, gathers the lubricant temperature signal in real time by the temperature sensor that is installed in oil hole.
The present invention adopts hydraulic way to load, and applies upsetting moment by the upsetting moment load cylinder, applies axial force by the axial force load cylinder, and radial force load cylinder and the combination of upsetting moment load cylinder realize being written into of any radial force.
Adopt the wind-driven generator pitching slewing support of two cover same sizes to test simultaneously during experiment, the moving-coil of two pitching slewing supports is installed relatively during installation, connect a gear wheel with bolt between two moving-coils, when experiment, drive the moving-coil and the relative revolution of fixed circle of pitching slewing support by gear wheel.Two pitching slewing supports the circle of deciding be connected with total load plate and pivoting support installation basic fixed with bolt by left web joint, right web joint respectively.
The invention has the beneficial effects as follows:
The present invention can monitor the situation of change of pivoting support steering resistance square, situation of change, rolling body and the raceway contact vibration situation of lubricating oil temperature in real time in wind-driven generator pitching slewing support loading experiment process, for the inefficacy of pivoting support provides criterion.
Experiment table of the present invention can be finished the fatigue experiment of large-scale wind driven generator pitching slewing support under complex load that different size is vertically installed, can be used for detecting the quality of pitching slewing support product, for the quality of estimating pitching slewing support provides foundation, provide great deal of experiment data for setting up the correlation computations model.
The present invention applies upsetting moment by the upsetting moment loading arm that links to each other with the upsetting moment load cylinder, can vertically simulate the running status of wind-driven generator pitching slewing support under various complex loads under the installment state, detect the staring torque of pitching slewing support simultaneously, the moment of resistance, lubricant temperature, vibration signal during monitoring operation in real time, the fatigue lifetime of evaluation pitching slewing support.Have reliable, widely applicable, simulate accurate advantage, and be convenient to Installation and Debugging.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention.
Fig. 2 is an one-piece construction cross-sectional schematic of the present invention.
Part description among the figure: 1, axial loading frame, 2, the axial force load cylinder, 3, total load plate, 4, left web joint, 5, first pitching slewing support to be tested, 6, gear wheel, 7, second pitching slewing support to be tested, 8, right web joint, 9, pivoting support installs the basis, 10, the upsetting moment loading arm, 11, upsetting moment load cylinder, 12, power drive module, 13, the radial force load cylinder, 14, pinion wheel.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described:
A kind of experimental table of wind-driven generator pitching slewing support, comprise pivoting support installation basis 9, described pivoting support is installed basis 9 and is vertically placed, first pitching slewing support 5 and second pitching slewing support 7 to be tested of experiment treated in vertical installation one on it, the moving-coil of first pitching slewing support 5 to be tested and second pitching slewing support 7 to be tested is installed in the both sides of gear wheel 6 respectively, and first pitching slewing support 5 to be tested is connected total load plate 3 and pivoting support by left web joint 4 respectively with second pitching slewing support 7 to be tested basis 9 is installed with right web joint 8; Total load plate 3 left ends connect to loading frame 1 by axial force load cylinder 2, total load plate 3 lower ends are provided with radial force load cylinder 13, gear wheel 6 connects power drive module 12, total load plate 3 right-hand members connect the upsetting moment loading arm 10 that passes first pitching slewing support 5 to be tested and second pitching slewing support, 7 inside to be tested, and upsetting moment loading arm 10 right-hand members connect upsetting moment load cylinder 11.
Can realize the experiment of different size pitching slewing support by changing left web joint 4 and right web joint 8.
First pitching slewing support 5 to be tested and second pitching slewing support 7 to be tested are the pitching slewing support of two cover same specifications, first pitching slewing support 5 to be tested is connected with gear wheel 6 by bolt respectively with the moving-coil of second pitching slewing support 7 to be tested, and the circle of deciding of first pitching slewing support 5 to be tested and second pitching slewing support 7 to be tested is connected with right web joint 8 with left web joint 4 by bolt respectively.
Being written into by axial force load cylinder 2, upsetting moment load cylinder 11, the 13 combination loadings of radial force load cylinder of pivoting support of windmill generator is implemented in the running status of simulation wind-driven generator pitching slewing support under various complex loads under the vertical installment state, detect the staring torque of pitching slewing support simultaneously, the moment of resistance, lubricant temperature, vibration signal during monitoring operation in real time, the fatigue lifetime of evaluation pitching slewing support.
Be provided with temperature sensor in one or several oil hole of first pitching slewing support 5 to be tested and/or second pitching slewing support 7 to be tested.
During concrete enforcement, can in some or several oil holes of first pitching slewing support 5 to be tested or second pitching slewing support 7 to be tested, be provided with temperature sensor.First pitching slewing support 5 to be tested or second pitching slewing support 7 to be tested are a kind of turntable bearings, and oil hole carries lubrication system for the turntable bearing product, during experiment, only need to change any one or several oil hole into the temperature sensor mounting hole and get final product.
Torque sensor is gathered in real time by the steering resistance square signal of experiment pitching slewing support, gathers the lubricant temperature signal in real time by the temperature sensor that is installed in oil hole.
As shown in Figure 1 and Figure 2, at first the moving-coil of two wind-driven generator pitching slewing supports to be tested and gear wheel 6 are connected by bolt, the Ding Quan and the right web joint 8 of second pitching slewing support 7 to be tested are bolted to connection, right web joint 8 is installed basis 9 by the pivoting support that is fixed in ground and is bolted to connection, left side web joint 4 is fixedlyed connected with first pitching slewing support 5 to be tested by bolt, total load plate 3 is bolted to connection with left web joint 4, and upsetting moment loading arm 10 is fixedlyed connected with total load plate 3.Axial force load cylinder 2 is bolted to connection with the axial force loading frame 1 that is fixed in ground, is connected by pin with total load plate 3; Radial force load cylinder 13 is fixedly connected on ground, is connected by pin with total load plate 3; Upsetting moment load cylinder 11 is fixedly connected on ground, is connected by pin with an end of upsetting moment loading arm 10, and the load of each oil cylinder is controlled respectively by control system, realizes the combination of various complex loads.Power drive module 12 provides power for waiting the gyration of testing pitching slewing support.
Claims (5)
1. experimental table of wind-driven generator pitching slewing support, comprise pivoting support installation basis (9), it is characterized in that vertically placement of described pivoting support installation basis (9), vertically install one on it and treat first pitching slewing support (5) of experiment and second pitching slewing support (7) to be tested, the moving-coil of first pitching slewing support (5) to be tested and second pitching slewing support (7) to be tested is installed in the both sides of gear wheel (6) respectively, and first pitching slewing support (5) to be tested is connected total load plate (3) and pivoting support by left web joint (4) respectively with second pitching slewing support (7) to be tested basis (9) is installed with right web joint (8); Total load plate (3) left end connects to loading frame (1) by axial force load cylinder (2), total load plate (3) lower end is provided with radial force load cylinder (13), gear wheel (6) connects power drive module (12), first pitching slewing support (5) to be tested and the inner upsetting moment loading arm (10) of second pitching slewing support (7) to be tested are passed in total load plate (3) right-hand member connection, and upsetting moment loading arm (10) right-hand member connects upsetting moment load cylinder (11).
2. experimental table of wind-driven generator pitching slewing support according to claim 1, it is characterized in that first pitching slewing support (5) described to be tested and second pitching slewing support (7) to be tested are the pitching slewing support of two cover same specifications, the moving-coil of first pitching slewing support (5) to be tested and second pitching slewing support (7) to be tested is connected with gear wheel (6) by bolt respectively, and the circle of deciding of first pitching slewing support (5) to be tested and second pitching slewing support (7) to be tested is connected with right web joint (8) with left web joint (4) by bolt respectively.
3. experimental table of wind-driven generator pitching slewing support according to claim 1 is characterized in that described total load plate (3) is connected by bolt with left web joint (4), and right web joint (8) is installed basis (9) with pivoting support and is connected by bolt.
4. experimental table of wind-driven generator pitching slewing support according to claim 1, it is characterized in that described power drive module (12) by oil motor or motor, torque sensor, pinion wheel (14), foundation structure be installed form; Torque sensor is installed between oil motor and the pinion wheel (14) or is installed between motor and the pinion wheel (14), torque sensor is connected with oil motor or motor by shaft coupling or expansion set, and torque sensor is connected with pinion wheel (14) by expansion set or shaft coupling.
5. experimental table of wind-driven generator pitching slewing support according to claim 1 is characterized in that being provided with temperature sensor in one or several oil hole of first pitching slewing support (5) described to be tested and/or second pitching slewing support (7) to be tested.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102628207A CN101713703B (en) | 2009-12-11 | 2009-12-11 | Variable-pitch slewing bearing experiment table of wind driven generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102628207A CN101713703B (en) | 2009-12-11 | 2009-12-11 | Variable-pitch slewing bearing experiment table of wind driven generator |
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| CN101713703B true CN101713703B (en) | 2011-04-27 |
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Families Citing this family (13)
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| CN102156047B (en) * | 2011-04-02 | 2012-09-05 | 浙江大学 | Loading simulation device for test bed of wind turbine |
| CN102288410B (en) * | 2011-07-11 | 2012-12-26 | 大连理工大学 | Large-scale bearing test table having hydrostatic loading closed structure |
| CN102288411B (en) * | 2011-07-25 | 2012-12-26 | 广州市特种机电设备检测研究院 | Fault diagnosis and health monitoring test device for large-scale rotary supporting mechanism |
| CN102636367B (en) * | 2012-04-23 | 2014-08-27 | 浙江大学 | Multi-degree-of-freedom dynamic loading device for simulating wind power and ocean current load |
| CN102981463A (en) * | 2012-09-14 | 2013-03-20 | 南京工业大学 | Test bed measurement and control system of slewing bearing simulating working condition |
| CN103344426B (en) * | 2013-07-12 | 2015-06-10 | 安徽工业大学 | Slewing bearing testing and detecting platform |
| CN104200724A (en) * | 2013-11-27 | 2014-12-10 | 沈阳工业大学 | Large wind turbine generator variable-pitch experiment table and simulation experiment method thereof |
| CN105185206B (en) * | 2015-09-25 | 2018-08-28 | 南车株洲电力机车研究所有限公司 | A kind of wind power generating set wind regime load simulator |
| DE102017205604B4 (en) * | 2017-04-03 | 2023-01-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Procedure for testing large bearings for wind turbines, bearing arrangement and test bench |
| CN110196163B (en) * | 2018-02-24 | 2024-09-27 | 洛阳轴承研究所有限公司 | Robot joint reducer main bearing test tool and test machine |
| CN110608886B (en) * | 2019-10-25 | 2024-05-28 | 西南交通大学 | Shield main bearing damage simulation test system and method |
| CN113465921B (en) * | 2021-07-26 | 2024-05-31 | 安徽理工大学 | Low-power-consumption slewing bearing test device based on multiple distributions and application method thereof |
| CN114486212B (en) * | 2021-12-31 | 2022-11-01 | 北京空间机电研究所 | Spacecraft substrate static test device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183044A (en) * | 2007-12-04 | 2008-05-21 | 瓦房店轴承集团有限责任公司 | Wind electricity pitch variable bearings test machine |
| CN101419124A (en) * | 2008-11-26 | 2009-04-29 | 瓦房店轴承集团有限责任公司 | Oar-changing bearing test methods for wind power generator |
| CN201255675Y (en) * | 2008-07-24 | 2009-06-10 | 上海联合滚动轴承有限公司 | Wind electricity bearing torsion force test device |
-
2009
- 2009-12-11 CN CN2009102628207A patent/CN101713703B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183044A (en) * | 2007-12-04 | 2008-05-21 | 瓦房店轴承集团有限责任公司 | Wind electricity pitch variable bearings test machine |
| CN201255675Y (en) * | 2008-07-24 | 2009-06-10 | 上海联合滚动轴承有限公司 | Wind electricity bearing torsion force test device |
| CN101419124A (en) * | 2008-11-26 | 2009-04-29 | 瓦房店轴承集团有限责任公司 | Oar-changing bearing test methods for wind power generator |
Non-Patent Citations (2)
| Title |
|---|
| 朱飞 等.基于LabVIEW的回转支承测试系统涉及.《工程机械》.2009,第40卷第45-48页. |
| 朱飞等.基于LabVIEW的回转支承测试系统涉及.《工程机械》.2009,第40卷第45-48页. * |
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Effective date of registration: 20191031 Address after: Building j1b, science and Technology Industrial Park, Gongda, No. 15, Wanshou Road, economic development zone, Jiangbei new district, Nanjing City, 211800, Jiangsu Province Patentee after: NANJING GONGDA CNC TECHNOLOGY Co.,Ltd. Address before: 210009 Nanjing City, Jiangsu Province, the new model road No. 5 Co-patentee before: NANJING GONGDA CNC TECHNOLOGY Co.,Ltd. Patentee before: Nanjing Tech University |