CN213121071U - Wind power blade rotary fatigue loading system - Google Patents
Wind power blade rotary fatigue loading system Download PDFInfo
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- CN213121071U CN213121071U CN202021484406.9U CN202021484406U CN213121071U CN 213121071 U CN213121071 U CN 213121071U CN 202021484406 U CN202021484406 U CN 202021484406U CN 213121071 U CN213121071 U CN 213121071U
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Abstract
The utility model discloses a wind-powered electricity generation blade is towards rotary fatigue loading system, including the base that is used for installing the blade body, blade body below is equipped with the loading device body, blade body lateral wall cover is equipped with the mounting bracket, mounting bracket bottom inside wall fixedly connected with installation pole, the loading device body is connected with the installation pole through two universal hinges, installation pole upper surface is connected with through many connecting rods and decides splint, decide the splint top be equipped with mounting bracket inside wall sliding connection move splint. The utility model discloses, through mutually supporting between mounting bracket, installation pole, removal limiting plate, two-way threaded rod and the thread piece, after the rigidity of blade body, the rotation that utilizes two-way threaded rod can make two removal limiting plates remove to the centre in step, supports the both sides of blade body tightly, reduces the vibrations skew between blade body and the mounting bracket to reduce the error of test result.
Description
Technical Field
The utility model relates to a wind-powered electricity generation blade fatigue test technical field especially relates to a wind-powered electricity generation blade is towards rotatory fatigue loading system.
Background
The wind power blade is one of essential elements in wind power generation, and the airfoil design and the structural form of the blade can directly influence the performance and the power of a wind generating set, so that the rotating fatigue of the blade in the facing direction needs to be tested.
According to a fatigue loading test device suitable for wind-powered electricity generation blade that publication number CN206648792U proposed, include: clamping is in the blade anchor clamps at wind-powered electricity generation blade test position and being located loading mechanism under the blade anchor clamps, wherein, this loading mechanism contains: the armature core rod is connected to the bottom of the blade clamp through a double universal hinge; the solenoid coil is axially sleeved on the periphery of the armature core rod and is connected with an external control circuit; and a base for supporting and fixing the helical tube coil; the fatigue loading test device with the structure omits a transmission part, has the advantages of simple structure and high conversion efficiency, and can eliminate the influence of the self weight of the loading device on the fatigue loading test.
However, in the actual use process, only rely on first splint and second splint to carry out the centre gripping to the blade, can make between blade anchor clamps and the blade unstable to make loading device in the work engineering, the blade anchor clamps easily shake, thereby the error that easily leads to the test result is great, for this reason, we have designed a wind-powered electricity generation blade and have solved above-mentioned problem towards rotary fatigue loading system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that blade anchor clamps easily shake among the prior art and result in the test result error great, and the wind-powered electricity generation blade that proposes is towards rotatory fatigue loading system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a wind power blade rotary fatigue loading system comprises a base used for mounting a blade body, wherein a loading device body is arranged below the blade body, a mounting frame is sleeved on the outer side wall of the blade body, a mounting rod is fixedly connected to the inner side wall of the bottom of the mounting frame, the loading device body is connected with the mounting rod through a double universal hinge, the upper surface of the mounting rod is connected with a fixed clamping plate through a plurality of connecting rods, a movable clamping plate which is connected with the inner side wall of the mounting frame in a sliding mode is arranged above the fixed clamping plate, and an adjusting piece is arranged on the movable clamping; the mounting rod is characterized in that movable limiting plates are arranged on two sides of the mounting rod, and the side wall of the mounting rod is connected with an adjusting mechanism matched with the movable limiting plates.
Preferably, the movable clamping plate is fixedly connected with sliding blocks on two sides, and sliding grooves matched with the sliding blocks are formed in the inner side wall of the mounting frame.
Preferably, the outer side wall of the movable clamping plate is fixedly connected with two symmetrically arranged positioning plates, and the lower surfaces of the positioning plates are fixedly connected with rubber pads.
Preferably, the adjusting part is a handle bolt, the top of the mounting frame is provided with a thread through hole, the handle bolt is in threaded connection with the inner side wall of the thread through hole, and the bottom of the handle bolt is rotatably connected with the top of the movable clamping plate.
Preferably, adjustment mechanism is including seting up the installation cavity in installation pole inside, the installation cavity inside wall rotates and is connected with two-way threaded rod, two-way threaded rod wherein one end runs through installation cavity, installation pole and mounting bracket and fixedly connected with handle, two screw thread piece top respectively with two removal limiting plate bottom fixed connection, the removal mouth with removing limiting plate looks adaptation is seted up at the top in the installation cavity.
Preferably, the bottom of the thread block is fixedly connected with a dovetail block, and a moving groove matched with the dovetail block is formed in the mounting cavity.
The utility model has the advantages that:
1. through mutually supporting between mounting bracket, installation pole, removal limiting plate, two-way threaded rod and the thread piece, after the rigidity of blade body, utilize the rotation of two-way threaded rod can make two removal limiting plates remove to the centre in step, support the both sides of blade body tightly, reduce the vibrations skew between blade body and the mounting bracket to reduce the error of test result.
2. Through mutually supporting between movable clamp plate, regulating part, locating plate and the rubber pad, can drive locating plate and rubber pad removal in step when movable clamp plate removes to make the locating plate can further with the rigidity of blade body on vertical direction, reduce the vibrations skew of vertical direction, further avoid producing great error because of vibrations.
Drawings
Fig. 1 is a schematic structural view of a wind turbine blade oriented to a rotational fatigue loading system according to the present invention;
fig. 2 is a side view of the mounting rack of the wind turbine blade facing the rotational fatigue loading system according to the present invention;
fig. 3 is a schematic view of a connection structure of a movable limiting plate and a mounting rod of a wind turbine blade facing a rotational fatigue loading system according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is the utility model provides a wind-powered electricity generation blade towards the connection structure sketch map of locating plate and movable clamp plate among the rotatory fatigue loading system.
In the figure: 1. a blade body; 2. a base; 3. a loading device body; 4. a mounting frame; 5. mounting a rod; 6. a connecting rod; 7. fixing the clamping plate; 8. a movable clamping plate; 9. an adjustment member; 10. moving the limiting plate; 11. a slider; 12. a chute; 13. positioning a plate; 14. a rubber pad; 15. a mounting cavity; 16. a bidirectional threaded rod; 17. a handle; 18. a thread block; 19. moving the port; 20. a dovetail block; 21. the slot is moved.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-5, a wind power blade is towards rotatory fatigue loading system, including the base 2 that is used for installing blade body 1, blade body 1 below is equipped with loading device body 3, 1 lateral wall cover of blade body is equipped with mounting bracket 4, 4 bottom inside wall fixedly connected with installation pole 5 of mounting bracket, loading device body 3 is connected with installation pole 5 through two universal hinges, the upper surface of installation pole 5 is connected with through many connecting rods 6 and decides splint 7, decide splint 7 top be equipped with 4 inside wall sliding connection's of mounting bracket movable splint 8, movable splint 8 both sides fixedly connected with slider 11, the spout 12 with 11 looks adaptations of slider is seted up to 4 inside walls of mounting bracket, loading device body 3 is current mature technology, its concrete structure and principle can refer to the fatigue loading test device that a suitable for wind power blade that CN206648792U proposed shows.
The outer side wall of the movable clamping plate 8 is fixedly connected with two symmetrically-arranged positioning plates 13, the lower surfaces of the positioning plates 13 are fixedly connected with rubber pads 14, and the movable clamping plate 8 is provided with an adjusting piece 9; the regulating part 9 is a handle bolt, a thread through hole is formed in the top of the mounting frame 4, the handle bolt is in threaded connection with the inner side wall of the thread through hole, the bottom of the handle bolt is rotatably connected with the top of the movable clamping plate 8, and the positioning plate 13 can further fix the position of the blade body 1 in the vertical direction to reduce the vibration deviation in the vertical direction.
Wherein, both sides of the installation rod 5 are provided with a movable limiting plate 10, the side wall of the installation rod 5 is connected with an adjusting mechanism matched with the movable limiting plate 10, the adjusting mechanism comprises an installation cavity 15 arranged inside the installation rod 5, the inner side wall of the installation cavity 15 is rotationally connected with a bidirectional threaded rod 16, one end of the bidirectional threaded rod 16 penetrates through the installation cavity 15, the installation rod 5 and the installation frame 4 and is fixedly connected with a handle 17, the outer side wall of the bidirectional threaded rod 16 is in threaded sleeve connection with two threaded blocks 18, the top parts of the two threaded blocks 18 are respectively and fixedly connected with the bottoms of the two movable limiting plates 10, the top part inside the installation cavity 15 is provided with a movable port 19 matched with the movable limiting plate 10, the two threaded blocks 18 are symmetrically connected on the outer side wall of the bidirectional threaded rod 16, so that the two threaded blocks 18 can synchronously move when the bidirectional threaded rod 16 rotates, and the, the screw block 18 can be limited to prevent the screw block 18 from rotating.
Wherein, the bottom of the screw block 18 is fixedly connected with a dovetail block 20, and a moving groove 21 matched with the dovetail block 20 is formed in the mounting cavity 15, so that the screw block 18 can move more stably.
The utility model discloses its functional principle is explained to following mode of operation of accessible:
Then rotatable handle 17 drives two-way threaded rod 16 and rotates for two screw blocks 18 and removal limiting plate 10 remove to the centre in step, fix blade body 1's position once more from the side, reduce vibrations skew about between blade body 1 and the mounting bracket 4, and then reduce the error of test result, after the position of fixed loading device body 3, restart loading device body 3 and carry out fatigue loading test.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A wind power blade rotary fatigue loading system comprises a base (2) for mounting a blade body (1), wherein a loading device body (3) is arranged below the blade body (1), and is characterized in that a mounting frame (4) is sleeved on the outer side wall of the blade body (1), a mounting rod (5) is fixedly connected to the inner side wall of the bottom of the mounting frame (4), the loading device body (3) is connected with the mounting rod (5) through a double universal hinge, the upper surface of the mounting rod (5) is connected with a fixed clamping plate (7) through a plurality of connecting rods (6), a movable clamping plate (8) in sliding connection with the inner side wall of the mounting frame (4) is arranged above the fixed clamping plate (7), and an adjusting piece (9) is arranged on the movable clamping plate (8);
the two sides of the mounting rod (5) are provided with movable limiting plates (10), and the side wall of the mounting rod (5) is connected with an adjusting mechanism matched with the movable limiting plates (10).
2. The wind power blade rotary fatigue loading system according to claim 1, wherein sliding blocks (11) are fixedly connected to two sides of the movable clamping plate (8), and sliding grooves (12) matched with the sliding blocks (11) are formed in the inner side wall of the mounting frame (4).
3. The system for loading the wind power blade with the rotary fatigue facing function as claimed in claim 1, wherein two symmetrically arranged positioning plates (13) are fixedly connected to the outer side wall of the movable clamping plate (8), and a rubber pad (14) is fixedly connected to the lower surface of each positioning plate (13).
4. The wind power blade rotary fatigue loading system according to claim 1, wherein the adjusting member (9) is a handle bolt, a threaded through hole is formed in the top of the mounting frame (4), the handle bolt is in threaded connection with the inner side wall of the threaded through hole, and the bottom of the handle bolt is rotatably connected with the top of the movable clamping plate (8).
5. The wind-powered electricity generation blade is towards rotatory fatigue loading system of claim 1, characterized in that, adjustment mechanism is including seting up at inside installation cavity (15) of installation pole (5), installation cavity (15) inside wall is rotated and is connected with two-way threaded rod (16), two-way threaded rod (16) wherein one end runs through installation cavity (15), installation pole (5) and mounting bracket (4) and fixedly connected with handle (17), two thread blocks (18) have been cup jointed to two-way threaded rod (16) lateral wall screw thread, two thread block (18) top respectively with two removal limiting plate (10) bottom fixed connection, the removal mouth (19) with removal limiting plate (10) looks adaptation is seted up at the top in installation cavity (15).
6. The system for loading the wind turbine blade with the rotary fatigue facing surface as claimed in claim 5, wherein a dovetail block (20) is fixedly connected to the bottom of the threaded block (18), and a moving groove (21) matched with the dovetail block (20) is formed in the mounting cavity (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021484406.9U CN213121071U (en) | 2020-07-24 | 2020-07-24 | Wind power blade rotary fatigue loading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021484406.9U CN213121071U (en) | 2020-07-24 | 2020-07-24 | Wind power blade rotary fatigue loading system |
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| Publication Number | Publication Date |
|---|---|
| CN213121071U true CN213121071U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021484406.9U Active CN213121071U (en) | 2020-07-24 | 2020-07-24 | Wind power blade rotary fatigue loading system |
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| CN (1) | CN213121071U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674548A (en) * | 2022-05-30 | 2022-06-28 | 中国飞机强度研究所 | Local vibration load applying system for airplane fatigue strength test and design method thereof |
| CN117928924A (en) * | 2024-03-04 | 2024-04-26 | 常州达姆斯检测技术有限公司 | Combined loading type wind power blade fatigue testing device |
-
2020
- 2020-07-24 CN CN202021484406.9U patent/CN213121071U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674548A (en) * | 2022-05-30 | 2022-06-28 | 中国飞机强度研究所 | Local vibration load applying system for airplane fatigue strength test and design method thereof |
| CN114674548B (en) * | 2022-05-30 | 2022-08-26 | 中国飞机强度研究所 | Local vibration load applying system for airplane fatigue strength test and design method thereof |
| CN117928924A (en) * | 2024-03-04 | 2024-04-26 | 常州达姆斯检测技术有限公司 | Combined loading type wind power blade fatigue testing device |
| CN117928924B (en) * | 2024-03-04 | 2024-06-14 | 常州达姆斯检测技术有限公司 | Combined loading type wind power blade fatigue testing device |
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