CN202083551U - Testing stand simulation loading device of wind generating set - Google Patents
Testing stand simulation loading device of wind generating set Download PDFInfo
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- CN202083551U CN202083551U CN2011200957787U CN201120095778U CN202083551U CN 202083551 U CN202083551 U CN 202083551U CN 2011200957787 U CN2011200957787 U CN 2011200957787U CN 201120095778 U CN201120095778 U CN 201120095778U CN 202083551 U CN202083551 U CN 202083551U
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Abstract
The utility model discloses a testing stand simulation loading device of a wind generating set. A driving shaft is connected with a loading shaft through a single flange flexible shaft coupling, a torque sensor and a flange; the flange is connected with the wind generator main shaft flange; two ends of the loading shaft are respectively supported in a bearing pedestal; one end of each of four vertical double acting oil cylinders is connected with the pedestal, and the other end of each of the four vertical double acting oil cylinders is respectively connected respective two sides of the loading bearing pedestal; one end of each of two axial double acting oil cylinders is respectively connected with the pedestal, and the other end of each of the two axial double acting oil cylinders is respectively connected with the loading bearing pedestal close to the wind generator main shaft flange; and one end of each of two connection rods is connected with the pedestal, and the other end of each of the two connection rods is connected with the lower portion of the two loading bearing pedestals. In the utility model, various loads under real operation condition of the wind generating set are simulated; oil cylinders are provided in a radial plane at the same direction; connection rods are utilized to transform a vertical force to a horizontal force, and the loading of any radial load is realized; the structure is simple and compact; the arrangement space and cost is reduced; and the testing stand simulation loading device of a wind generating set is easy to control.
Description
Technical field
The utility model relates to a kind of analog loading device, especially a kind of wind power generating set testing table analog loading device.
Background technology
Along with the continuous aggravation of energy crisis, wind-power electricity generation becomes the important channel that solves energy crisis with its environmental protection, continuable characteristics.Because the abominable degree of wind power generating set applied environment and to the specific (special) requirements of unit long-life, high reliability and security, set up the wind power generating set testing table, the vitals of wind power generating set such as gear case, main shaft, generator etc. are tested, to optimizing properties of product, ensureing that product quality has important effect.
Because wind power generating set actual operating mode complexity, spindle nose will be subjected to the acting in conjunction of 6 freedom degree forces in space such as radial load, axial load, moment of flexure and moment of torsion and moment.Therefore, wind power generating set bench run result's accuracy be guaranteed, the load under the wind power generating set actual operating mode must be simulated as far as possible accurately.Traditional wind power generating set testing table is mostly only simulated wind wheel and is rotated the moment of torsion around main-shaft axis that produces; Patent CN101614615B has realized the loading of 4 degree of freedom with three hydraulic cylinders at the loading characteristic of tail reducer of helicopter; Patent CN201680969U uses 12 hydraulic cylinders that the wind power generating set testing table is loaded, but between the power that four hydraulic cylinders in the sagittal plane apply restriction relation is arranged, increased the difficulty of control greatly, and hydraulic cylinder too much causes, and institute takes up space greatly, cost is high.
Summary of the invention
At wind power generating set load characteristics, that the purpose of this utility model aims to provide is simple and compact for structure, a kind of wind power generating set testing table analog loading device of easy control.Provide various load under the wind power generating set actual operating mode by this device for the wind power generating set testing table.
The technical solution adopted in the utility model is:
The utility model comprises torque sensor, loads axle, two load bearings seats, four vertical two-way cylinders, two axial two-way cylinders, two connecting rods; Driving shaft is connected with the wind driven generator principal shaft flange with flange with the loading axle by single flange flexible clutch, torque sensor, flange; Loading the axle two ends is supported in the load bearings seat by load bearings respectively, one end of four vertical two-way cylinders is connected with base respectively, two of the other ends of four vertical two-way cylinders are one group, the both sides on the symmetrical respectively load bearings seat circumferencial direction that is connected separately in the xy plane; One end of two axial two-way cylinders is connected with base respectively, and other end symmetry respectively is connected the both sides in the xy plane on the nearly wind driven generator principal shaft flange end load bearings seat circumferencial direction; One end of two connecting rods is connected on the base, and the other end is connected to the bottom on two load bearings seat xz planes.
The beneficial effects of the utility model are:
1, the utility model can be simulated the various load of six-freedom degree under the wind power generating set actual operating mode.
2, in the sagittal plane, only arrange the oil cylinder of a direction, utilize connecting rod that vertical force is converted into horizontal force, simple and compact for structure, realize the loading of any radial force, restricted problem between the oil cylinder power of having avoided y, z both direction all to arrange oil cylinder and having produced, be convenient to control, reduced arrangement space and cost.
Description of drawings
Fig. 1 is a wind power generating set actual operating mode load schematic.
Fig. 2 is the utility model tomograph.
Fig. 3 is the utility model sectional view.
Fig. 4 is that the sagittal plane loads force analysis figure.
Among the figure: 1-base, the vertical two-way cylinder of 2-, 3-load bearings seat, the axial two-way cylinder of 4-, 5-load axle, 6-load bearings seat, 7-wind driven generator principal shaft flange, 8-connecting rod, 9-driving shaft, the single flange flexible clutch of 10-, the 11-torque sensor, 12-flange, 13-load bearings, the 14-load bearings, the 15-flange;
-axial force,
-y direction radial force,
-z direction radial force,
-around x axle moment of torsion,
-around y axle moment of flexure,
-around z axle moment of flexure,
-left side oil cylinder power,
-right side oil cylinder power,
-connecting rod power,
-y direction counter-force radially,
-z direction counter-force radially,
-axis is to two side cylinder distances,
-axis place surface level is to the distance of connecting rod,
-counter-force radially,
-the angle of counter-force and y axle radially.
Embodiment
The utility model will be further described below in conjunction with drawings and embodiments.
As shown in Figure 1, during the wind power generating set actual motion, be subjected to axial force
, radial force
With
, around the moment of torsion of x axle
, around the moment of flexure of y axle and z axle
With
Therefore the load of six-freedom degree, guarantee wind power generating set bench run result's accuracy, must simulate the load under the wind power generating set actual operating mode.
The utility model structure such as Fig. 2, shown in Figure 3, the utility model comprise torque sensor 11, load 2, two axial two-way cylinders of axle 3,6, four vertical two-way cylinders of 5, two load bearings seats, two connecting rods 8; Driving shaft 9 is by single flange flexible clutch 10, torque sensor 11, flange 12 and load spools 5 and be connected with wind driven generator principal shaft flange 7 with flange 15; Loading axle 5 two ends is supported in the load bearings seat 3,6 by load bearings 13,14 respectively, one end of four vertical two-way cylinders 2 is connected with base 1 respectively, two of the other ends of four vertical two-way cylinders 2 are one group, the both sides on symmetrical respectively load bearings seat 3,6 circumferencial directions that are connected separately in the xy plane; One end of two axial two-way cylinders 4 is connected with base 1 respectively, and other end symmetry respectively is connected the both sides in the xy plane on nearly wind driven generator principal shaft flange 7 end load bearings seats 3,6 circumferencial directions; One end of two connecting rods 8 is connected on the base 1, and the other end is connected to the bottom on two load bearings seats 3,6xz plane.
The driving shaft that driving shaft 9 rotates for the simulation wind wheel, single flange flexible clutch 10 prevents the anti-drive end that is passed to of load force of loader, torque sensor 11 is realized measurement and the control to the moment of torsion of driving shaft transmission, flange 15 is given wind driven generator principal shaft by load and motion that wind driven generator principal shaft flange 7 transmits chargers, loads axle 5 and is provided with the shaft shoulder load bearings 13 is carried out axial location.All have sensor on vertical two-way cylinder 2 and the axial two-way cylinder 4, with convenient control; Be connected vertical oil cylinder 2 on the same load bearings seat 3,6 and connecting rod 8 in same sagittal plane, convenient calculating and control.
Around x axle moment of torsion
Provided by driving shaft 9, torque can be measured control by torque sensor 11; Axial force
With around z axle moment of flexure
Provide power to realize by two axial two-way cylinders 4; Moment of flexure around the y axle
Provide power to realize by four vertical two-way cylinders 2.
Radial force
,
Realize by vertical two-way cylinder 2 and connecting rod 8.Realize principle as shown in Figure 4, choose load bearings seat 6 for research object, analyze in the yz plane, bearing seat 6 is subjected to the power of the vertical two-way cylinder 2 in left side
, the vertical two-way cylinder 2 in right side power
, the power of connecting rod 8
, the y direction loads the axle 5 radially counter-forces that apply
, the z direction loads the axle 5 radially counter-forces that apply
, the distance of establishing axis vertical two-way cylinder 2 to both sides
, axis place surface level to the distance of connecting rod 8 is
, then can get following three formulas by power and equalising torque:
Can get by above three formulas:
(5)
Change
With
Value can obtain becoming arbitrarily angled with the y axle
Radially counter-force
, impose on power acting force and the reacting force each other that loads axle 5 owing to load power that axle 5 imposes on bearing seat 6 and bearing seat 6, so can obtain the radial force of y direction
Radial force with the z direction
And become arbitrarily angled with the y axle
Radial force.
Can calculate the power of each oil cylinder by loadometer as required during this device actual loaded, simulate various load under the wind power generating set actual operating mode by the power of controlling each oil cylinder.
Claims (1)
1. a wind power generating set testing table analog loading device is characterized in that: comprise torque sensor, load axle, two load bearings seats, four vertical two-way cylinders, two axial two-way cylinders, two connecting rods; Driving shaft is connected with the wind driven generator principal shaft flange with flange with the loading axle by single flange flexible clutch, torque sensor, flange; Loading the axle two ends is supported in the load bearings seat by load bearings respectively, one end of four vertical two-way cylinders is connected with base respectively, two of the other ends of four vertical two-way cylinders are one group, the both sides on the symmetrical respectively load bearings seat circumferencial direction that is connected separately in the xy plane; One end of two axial two-way cylinders is connected with base respectively, and other end symmetry respectively is connected the both sides in the xy plane on the nearly wind driven generator principal shaft flange end load bearings seat circumferencial direction; One end of two connecting rods is connected on the base, and the other end is connected to the bottom on two load bearings seat xz planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200957787U CN202083551U (en) | 2011-04-02 | 2011-04-02 | Testing stand simulation loading device of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200957787U CN202083551U (en) | 2011-04-02 | 2011-04-02 | Testing stand simulation loading device of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202083551U true CN202083551U (en) | 2011-12-21 |
Family
ID=45344177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200957787U Expired - Lifetime CN202083551U (en) | 2011-04-02 | 2011-04-02 | Testing stand simulation loading device of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202083551U (en) |
Cited By (5)
| 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 |
| CN109377841A (en) * | 2018-11-21 | 2019-02-22 | 大连理工大学 | Using the floating-type offshore wind power unit experimental provision and its method of stormy waves equivalent device |
| CN109406087A (en) * | 2018-11-21 | 2019-03-01 | 大连理工大学 | Floating-type offshore wind power unit mixed model experimental provision and the method being placed in wind-tunnel |
| CN110726495A (en) * | 2019-10-25 | 2020-01-24 | 中铁工程服务有限公司 | System and method for testing temperature field of shield main bearing |
| WO2024055834A1 (en) * | 2022-09-16 | 2024-03-21 | 中国电力科学研究院有限公司 | Load decoupling loading apparatus, method and system for wind turbine generator set, and control system |
-
2011
- 2011-04-02 CN CN2011200957787U patent/CN202083551U/en not_active Expired - Lifetime
Cited By (6)
| 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 |
| CN102156047B (en) * | 2011-04-02 | 2012-09-05 | 浙江大学 | Loading simulation device for test bed of wind turbine |
| CN109377841A (en) * | 2018-11-21 | 2019-02-22 | 大连理工大学 | Using the floating-type offshore wind power unit experimental provision and its method of stormy waves equivalent device |
| CN109406087A (en) * | 2018-11-21 | 2019-03-01 | 大连理工大学 | Floating-type offshore wind power unit mixed model experimental provision and the method being placed in wind-tunnel |
| CN110726495A (en) * | 2019-10-25 | 2020-01-24 | 中铁工程服务有限公司 | System and method for testing temperature field of shield main bearing |
| WO2024055834A1 (en) * | 2022-09-16 | 2024-03-21 | 中国电力科学研究院有限公司 | Load decoupling loading apparatus, method and system for wind turbine generator set, and control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20120905 |