CN202119676U - Test stand for fatigue and strength of wind-power blade - Google Patents
Test stand for fatigue and strength of wind-power blade Download PDFInfo
- Publication number
- CN202119676U CN202119676U CN2011200994339U CN201120099433U CN202119676U CN 202119676 U CN202119676 U CN 202119676U CN 2011200994339 U CN2011200994339 U CN 2011200994339U CN 201120099433 U CN201120099433 U CN 201120099433U CN 202119676 U CN202119676 U CN 202119676U
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- slide rail
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a test stand for fatigue and strength of a wind-power blade, which comprises a base, a main framework arranged on the base and a double-piston-rod oil cylinder. The top end of the double-piston-rod oil cylinder is hinged to a transverse beam of the main framework and provided with a displacement sensor. One ends of piston rods extending downwards are sequentially connected with force transmission parts and transition connectors. Force sensors are arranged between the force transmission parts and the transition connectors. H-shaped tested parts are connected with the transition connectors through pins. An inner framework is fixed in the main framework. A vertical slide match mechanism and a horizontal slide match mechanism are arranged on the inner framework. The transition connectors are arranged on the vertical slide match mechanism and the horizontal slide match mechanism and can be suitable for freely performing vertical and horizontal slide. The H-shaped tested parts are fixed on a supporting frame on a base in double-point simple support mode. The displacement sensor and the force sensors are connected with a controller which is connected with a displaying device for displaying displacement measured by the displacement sensor and tension force and pressure measured by the force sensors.
Description
Technical field
The utility model relates to the technical field that is used for the standard specimen of wind electricity blade material is carried out torture test and strength testing facility, specifically is a kind of fatigue and strength test platform of wind electricity blade material.
Background technology
In the prior art, lack the equipment that the standard specimen of wind electricity blade material is carried out torture test and strength test, also lack relevant industry standard.Therefore, how the fatigue and the strength test device of the higher wind electricity blade of a kind of reliability being provided, to reach experiment purpose, is the technical matters of this area.
Summary of the invention
The technical matters that the utility model will solve provides a kind of fatigue and strength test platform of simple in structure, wind electricity blade that reliability is higher.
For solving the problems of the technologies described above; The utility model provides a kind of fatigue and strength test platform of wind electricity blade; It comprises: base, be located at the double rod cylinder on main frame on the base, the entablature that the top is articulated in main frame, the end that the piston rod of double rod cylinder stretches out downwards is connected with force transmission element and excessive joint in turn; Between force transmission element and excessive joint, be provided with force transducer; The H type part of being had a try links to each other through bearing pin with said excessive joint; Double rod cylinder is provided with and is used to detect the had a try displacement transducer of part length travel amount of H type; At the main frame internal fixation inner frame is arranged, inner frame is provided with vertically be slidingly matched mechanism and horizontal slip matching mechanism, and excessively joint is located on vertically be slidingly matched mechanism and the horizontal slip matching mechanism and is suitable for vertical and level is free to slide; The H type part of being had a try is fixed on the bracing frame of being located on the base with 2 freely-supported modes; Said displacement transducer links to each other with a controller with force transducer, and controller is connected with the displacement that is used to show displacement transducer and records, pulling force that force transducer records and the display device of force value.
Further, said main frame comprises that a pair of bottom is located at the column on the base, and said entablature is located at this column top.
Further, said inner frame is a rectangular frame, and the said mechanism that vertically is slidingly matched comprises: be vertical at said inner frame inboard four ends four vertical slide rail be located at the vertical slide block on each vertical slide rail; Said horizontal slip matching mechanism comprises: be located at the horizontal slide rail on two vertical slide blocks of fore-and-aft direction, each horizontal slide rail is provided with cross sliding clock; Excessively joint links to each other with each cross sliding clock with the bearing pin mode.Under the acting in conjunction of said horizontal slip matching mechanism and the vertical mechanism that is slidingly matched; Can make test specimen when making an experiment, only produce the flexural deformation of vertical direction and do not produce transverse curvature and torsional deflection; Test specimen others produce in process of the test destruction and interference have been eliminated; Guaranteed the uniqueness of test condition, thereby made test figure have more practicality.
The utlity model has positive effect: when the fatigue of the wind electricity blade of (1) the utility model and strength test platform use; Base, column, entablature are formed the framework of a confining force system; Make ground only bear the weight of equipment and do not bear the moment that double rod cylinder loads, reduced requirement ground.Equipment need not arrive and use the on-the-spot accurate Installation and Debugging of carrying out, can be in manufacturing plant's test run of loading.In the mainframe, for improving column rigidity, the section that adopts " H " type is as column.(2) of double rod cylinder of band displacement transducer is connected on the entablature with hinged mode, and the end that piston rod stretches out downwards links to each other with excessive joint through force transmission element; Force transmission element with excessively is connected a force transducer between the joint, in test process, the stroke that makes oil cylinder with add load synchronous recording, the accuracy of warranty test data and integrality.(3) part of being had a try is connected with bearing pin with excessive joint, thus another hinge of formation lower end, piston rod is in all the time only bear draw, 2 stresses that pressure does not have moment of flexure.(4) inner frame of guiding is arranged at the main frame internal fixation, be furnished with the mechanisms that are slidingly matched vertical, level two directions on it, excessively joint links to each other with cross sliding clock with bearing pin.The effect of guiding inner frame is to make test specimen when making an experiment, only produce the flexural deformation of vertical direction and do not produce transverse curvature and torsional deflection; Test specimen others produce in process of the test destruction and interference have been eliminated; Guaranteed the uniqueness of test condition; Thereby make test figure have more practicality, so the fatigue of the wind electricity blade of the utility model and strength test platform have characteristics simple in structure, that reliability is higher.
Description of drawings
For the content that makes the utility model is more clearly understood, below basis specific embodiment and combine accompanying drawing, the utility model is done further detailed explanation, wherein
Fig. 1 is the fatigue of the wind electricity blade among the embodiment and the Facad structure synoptic diagram of strength test platform.
Fig. 2 is the fatigue of the wind electricity blade among the embodiment and the side structure synoptic diagram of strength test platform.
Fig. 3 is the fatigue of the wind electricity blade among the embodiment and the skeleton view of strength test platform;
Fig. 4 is the fatigue of the wind electricity blade among the embodiment and the partial structurtes synoptic diagram of strength test platform.
Embodiment
See Fig. 1-3; The fatigue of the wind electricity blade of present embodiment and strength test platform comprise: base 1, be located at the double rod cylinder 3 on the entablature that main frame 2, top on the base 1 be articulated in main frame 2, the end that the piston rod 3-1 of double rod cylinder 3 stretches out downwards is connected with force transmission element 4 and excessive joint 5 in turn; Between force transmission element 4 and excessive joint 5, be provided with force transducer; The H type part 6 of being had a try links to each other through bearing pin 7 with said excessive joint 5; Double rod cylinder 3 is provided with and is used to detect the had a try displacement transducer of part 6 length travel amounts of H type; At main frame 2 internal fixation inner frame 8 is arranged, inner frame 8 is provided with vertically be slidingly matched mechanism 11 and horizontal slip matching mechanism 10, and excessively joint 5 is located on vertically be slidingly matched mechanism 11 and the horizontal slip matching mechanism 10 and is suitable for vertical and level is free to slide; The H type part 6 of being had a try is fixed on the bracing frame of being located on the base 19 with 2 freely-supported modes; Said displacement transducer links to each other with a controller with force transducer, and controller is connected with the displacement that is used to show displacement transducer and records, pulling force that force transducer records and the display device of force value.Said main frame 2 comprises that a pair of bottom is located at the column on the base 1, and said entablature is located at this column top.
Said inner frame 8 is a rectangular frame, and the said mechanism 11 that vertically is slidingly matched comprises: be vertical at said inner frame 8 inboard four ends four vertical slide rail 11-1 be located at the vertical slide block 11-2 on each vertical slide rail 11-1; Said horizontal slip matching mechanism 10 comprises: be located at the horizontal slide rail 10-1 on two vertical slide block 11-2 of fore-and-aft direction, each horizontal slide rail 10-1 is provided with cross sliding clock 10-2; Excessively joint 5 links to each other with each cross sliding clock 10-2 with the bearing pin mode.
Torture test:
Amplitude: with the equilibrium position is initial point, and the peak swing of test specimen and piston rod junction is ± 300mm, control system allow amplitude 0 to the ± 300mm scope Symmetrical Continuous adjust.
Frequency: the maximum frequency of oscillation during torture test is 1Hz when peak swing; Control system allows vibration frequency in being lower than the 1Hz scope, to adjust.
Utilize servo reversal valve control servo-cylinder, with the performance of the high natural frequency assurance system needs of servo reversal valve; Servo-cylinder loads standard specimen through force transducer, and loading force is not less than 40KN; At the mainframe internal fixation inner frame track segment is arranged, it is furnished with vertically, the mechanism that is slidingly matched of level two directions, so that standard specimen only produces the flexural deformation of vertical direction when making an experiment and do not produce transverse curvature and torsional deflection.
The foregoing description only be for explain clearly that the utility model does for example, and be not to be qualification to the embodiment of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation that these spirit that belong to the utility model are extended out or change still are among the protection domain of the utility model.
Claims (3)
1. the fatigue of a wind electricity blade and strength test platform; It is characterized in that comprising: base (1), be located at the double rod cylinder (3) on main frame (2) on the base (1), the entablature that the top is articulated in main frame (2), the end that the piston rod (3-1) of double rod cylinder (3) stretches out downwards is connected with force transmission element (4) and excessive joint (5) in turn; Between force transmission element (4) and excessive joint (5), be provided with force transducer;
The H type part (6) of being had a try links to each other through bearing pin (7) with said excessive joint (5); Double rod cylinder (3) is provided with and is used to detect the H type by the displacement transducer of the part of having a try (6) length travel amount;
At main frame (2) internal fixation inner frame (8) is arranged; Inner frame (8) is provided with mechanism that vertically is slidingly matched (11) and horizontal slip matching mechanism (10), and excessively joint (5) is located at the mechanism that vertically is slidingly matched (11) and is gone up with horizontal slip matching mechanism (10) and be suitable for vertical and level is free to slide;
The H type is fixed on the bracing frame of being located on the base (1) (9) by the part of having a try (6) with 2 freely-supported modes;
Said displacement transducer links to each other with a controller with force transducer, and controller is connected with the displacement that is used to show displacement transducer and records, pulling force that force transducer records and the display device of force value.
2. the fatigue of a kind of wind electricity blade according to claim 1 and strength test platform is characterized in that: said main frame (2) comprises that a pair of bottom is located at the column on the base (1), and said entablature is located at this column top.
3. the fatigue of a kind of wind electricity blade according to claim 1 and strength test platform; It is characterized in that: said inner frame (8) is a rectangular frame, and the said mechanism (11) that vertically is slidingly matched comprising: be vertical at said inner frame (8) inboard four ends four vertical slide rail (11-1) and be located at the vertical slide block (11-2) on each vertical slide rail (11-1); Said horizontal slip matching mechanism (10) comprising: be located at the horizontal slide rail (10-1) on two vertical slide blocks (11-2) of fore-and-aft direction, each horizontal slide rail (10-1) is provided with cross sliding clock (10-2); Excessively joint (5) links to each other with each cross sliding clock (10-2) with the bearing pin mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200994339U CN202119676U (en) | 2011-04-07 | 2011-04-07 | Test stand for fatigue and strength of wind-power blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200994339U CN202119676U (en) | 2011-04-07 | 2011-04-07 | Test stand for fatigue and strength of wind-power blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119676U true CN202119676U (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200994339U Expired - Lifetime CN202119676U (en) | 2011-04-07 | 2011-04-07 | Test stand for fatigue and strength of wind-power blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202119676U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393331A (en) * | 2011-04-07 | 2012-03-28 | 常州市华立液压润滑设备有限公司 | Fatigue and strength test table of wind-power blade |
| CN111795899A (en) * | 2020-07-30 | 2020-10-20 | 上海电气风电集团股份有限公司 | Torsion loading equipment and blade torsion testing method |
-
2011
- 2011-04-07 CN CN2011200994339U patent/CN202119676U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393331A (en) * | 2011-04-07 | 2012-03-28 | 常州市华立液压润滑设备有限公司 | Fatigue and strength test table of wind-power blade |
| CN111795899A (en) * | 2020-07-30 | 2020-10-20 | 上海电气风电集团股份有限公司 | Torsion loading equipment and blade torsion testing method |
| CN111795899B (en) * | 2020-07-30 | 2023-08-04 | 上海电气风电集团股份有限公司 | Torsion loading equipment and blade torsion testing method |
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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: 20120118 Effective date of abandoning: 20130703 |
|
| RGAV | Abandon patent right to avoid regrant |