CN213511048U - Blade root load detection device based on wind generating set - Google Patents
Blade root load detection device based on wind generating set Download PDFInfo
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- CN213511048U CN213511048U CN202022443825.4U CN202022443825U CN213511048U CN 213511048 U CN213511048 U CN 213511048U CN 202022443825 U CN202022443825 U CN 202022443825U CN 213511048 U CN213511048 U CN 213511048U
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- blade root
- root load
- blade
- load sensor
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 2
- 244000309464 bull Species 0.000 description 12
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of wind power generation, especially, wind generating set is based on blade root load detection device, leads to the problem of the inconvenient change of blade root load sensor to current bolt corrosion, now proposes following scheme, and it includes the blade and locates the last blade root load sensor of blade one side, two recesses have been seted up to one side that the blade is close to last blade root load sensor, go up one side fixed mounting that blade root load sensor is close to the blade and have two reference columns, and two reference columns respectively movable mounting in two recesses, and the fixed slot has all been seted up to one side that two reference columns are close to each other, and two fixed slots are located two recesses respectively. The utility model discloses simple structure, reasonable in design, convenient operation, blade root load sensor in the change that can be quick has solved current bolt corrosion and has leaded to going up the inconvenient problem of changing of blade root load sensor, is fit for using widely.
Description
Technical Field
The utility model relates to a wind power generation technical field especially relates to a wind generating set is based on blade root load detection device.
Background
The competition of the wind power market is increasingly intensified, and the cost performance and the reliability of the wind power generator set become key factors occupying the market. The main directions of technical research and development and innovation of all machine manufacturers at present are to reduce the whole machine cost of the machine set and improve the operation reliability of the machine set. The blade is a main part for capturing wind energy, and the loading condition of the blade seriously affects the running reliability of the wind turbine generator, so that the real-time detection of the load of the blade of the wind turbine generator is very necessary.
The patent with the publication number of CN210152832U discloses an H type vertical axis wind generating set with detect unit load device, including the generator, be equipped with the vertical drive axle on the generator, the generator bottom surface is provided with a tower section of thick bamboo, is equipped with along the cantilever of vertical drive axle axial symmetry on the vertical drive axle, and the cantilever tip all is equipped with the blade, all be equipped with the blade sensor on arbitrary blade, the blade sensor is including setting gradually last root load sensor, the load sensor in the leaf, lower root load sensor on the blade surface. However, the upper blade root load sensor on the detection device is generally fixed on the blade through a bolt and is easy to rust after encountering tide, so that the upper blade root load sensor is inconvenient to replace.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the wind generating set who proposes is based on blade root load detection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a blade root load detection-based device of a wind generating set comprises a blade and an upper blade root load sensor arranged on one side of the blade, wherein one side of the blade close to the upper blade root load sensor is provided with two grooves, one side of the upper blade root load sensor close to the blade is fixedly provided with two positioning columns, the two positioning columns are respectively and movably arranged in the two grooves, one sides of the two positioning columns close to each other are respectively provided with a fixing groove, the two fixing grooves are respectively positioned in the two grooves, the blade is provided with a cavity which is positioned between the two grooves, two transverse plates are fixedly arranged between the inner walls of the two sides of the cavity, the tops of the two transverse plates are respectively provided with a through hole, a fixing rod is respectively and slidably arranged in the two through holes, the two ends of the fixing rod extend out of the through holes, and with fixed slot looks adaptation, the fixed cover has connect the stopper on the dead lever, and the diaphragm is located between stopper and the connecting block.
Preferably, a spring is fixedly installed between the transverse plate and the limiting block, and the spring is movably sleeved on the fixing rod.
Preferably, the pull rod is rotatably installed at one end, away from the upper blade root load sensor, of each of the two connecting blocks.
Preferably, one side of the blade, which is far away from the upper blade root load sensor, is provided with a mounting groove communicated with the cavity, and a rotating rod is rotatably mounted in the mounting groove.
Preferably, the one end of bull stick extends to outside the blade, and fixed mounting has the handle, and the other end of bull stick extends to in the cavity, and fixed cover has connect the runner.
Preferably, one end of each of the two pull rods, which is close to each other, is fixedly installed at the top and the bottom of one side of the rotating wheel, which is far away from the handle, respectively.
In the utility model, when the fault of the upper blade root load sensor needs to be replaced, the handle is rotated to drive the rotating rod to rotate, so that the rotating wheel fixedly sleeved on the rotating rod rotates, and the fixed rod is slidably arranged in the through hole, so that the fixed rod can only vertically slide along the through hole, and the connecting block fixedly connected with the fixed rod can only vertically move, and the connecting block can only vertically move due to the connection relation among the rotating wheel, the pull rod and the connecting block, so that the connecting block can be pulled by the pull rod along with the rotation of the rotating wheel, so that the two connecting blocks are mutually close to drive the two fixed rods to mutually close, and the limit block can be driven to move due to the fact that the limit block is fixedly sleeved on the fixed rod, and the spring is compressed, when the fixed rod is moved out of the fixed groove, the limit on the positioning column is removed, so that, then insert two new last blade root load cell one side fixed mounting's reference column respectively in two recesses, loosen the handle, because of the elastic restoring force of spring, extrude the stopper for the stopper moves towards the direction of reference column, thereby drives the dead lever and removes, makes in the dead lever reinserts the fixed slot, has finally accomplished last blade root load cell's quick replacement. The utility model discloses simple structure, reasonable in design, convenient operation, blade root load sensor in the change that can be quick has solved current bolt corrosion and has leaded to going up the inconvenient problem of changing of blade root load sensor, is fit for using widely.
Drawings
Fig. 1 is a schematic structural view of a blade root load detection device of a wind turbine generator system according to the present invention;
fig. 2 is a schematic structural diagram of a portion a of fig. 1 of a wind turbine generator system based on a blade root load detection device according to the present invention;
fig. 3 is a schematic structural diagram of part B of fig. 1 of a wind turbine generator system based on a blade root load detection device according to the present invention.
In the figure: 1 blade, 2 grooves, 3 positioning columns, 4 upper blade root load sensors, 5 fixing grooves, 6 cavities, 7 transverse plates, 8 through holes, 9 fixing rods, 10 connecting blocks, 11 limiting blocks, 12 springs, 13 pull rods, 14 mounting grooves, 15 rotating rods, 16 handles and 17 rotating wheels.
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.
Example one
Referring to fig. 1-3, a blade root load detection device of a wind generating set comprises a blade 1 and an upper blade root load sensor 4 arranged on one side of the blade 1, wherein one side of the blade 1 close to the upper blade root load sensor 4 is provided with two grooves 2, one side of the upper blade root load sensor 4 close to the blade 1 is fixedly provided with two positioning columns 3, the two positioning columns 3 are respectively movably arranged in the two grooves 2, one sides of the two positioning columns 3 close to each other are respectively provided with a fixing groove 5, the two fixing grooves 5 are respectively positioned in the two grooves 2, the blade 1 is provided with a cavity 6, the cavity 6 is positioned between the two grooves 2, two transverse plates 7 are fixedly arranged between the inner walls of the two sides of the cavity 6, the top parts of the two transverse plates 7 are respectively provided with a through hole 8, a fixing rod 9 is respectively slidably arranged in the two through holes, one end fixed mounting that recess 2 was kept away from to dead lever 9 has connecting block 10, and the other end of dead lever 9 extends to in the recess 2, and with 5 looks adaptations of fixed slot, fixed the cup joint has stopper 11 on the dead lever 9, and diaphragm 7 is located between stopper 11 and connecting block 10.
The utility model discloses in, fixed mounting has spring 12 between diaphragm 7 and the stopper 11, and the activity of spring 12 cup joints on dead lever 9, and stopper 11 can be extruded to spring 12's elastic restoring force for stopper 11 removes.
The utility model discloses in, two connecting blocks 10 keep away from the one end of last blade root load sensor 4 and all rotate and install pull rod 13, and pull rod 13 swings, can drive the vertical removal of connecting block 10.
The utility model discloses in, blade 1 keeps away from one side of last blade root load sensor 4 and offers the mounting groove 14 that is linked together with cavity 6, and bull stick 15 is installed to the 14 internal rotations in mounting groove, and bull stick 15 can be at 14 internal rotations in mounting groove.
The utility model discloses in, outside the one end of bull stick 15 extended to blade 1, and fixed mounting had handle 16, in the other end of bull stick 15 extended to cavity 6, and fixed cup joints runner 17, rotates handle 16, can drive runner 17 through bull stick 15 and rotate.
The utility model discloses in, the one end that two pull rods 13 are close to each other is fixed mounting respectively and keeps away from the top and the bottom of handle 16 one side at runner 17, and runner 17 rotates, can drive two pull rods 13 swings.
Example two
Referring to fig. 1-3, a blade root load detection device of a wind generating set comprises a blade 1 and an upper blade root load sensor 4 arranged on one side of the blade 1, wherein one side of the blade 1 close to the upper blade root load sensor 4 is provided with two grooves 2, one side of the upper blade root load sensor 4 close to the blade 1 is fixedly provided with two positioning columns 3, the two positioning columns 3 are respectively movably arranged in the two grooves 2, one sides of the two positioning columns 3 close to each other are respectively provided with a fixing groove 5, the two fixing grooves 5 are respectively positioned in the two grooves 2, the blade 1 is provided with a cavity 6, the cavity 6 is positioned between the two grooves 2, two transverse plates 7 are fixedly arranged between the inner walls of the two sides of the cavity 6, the top parts of the two transverse plates 7 are respectively provided with a through hole 8, a fixing rod 9 is respectively slidably arranged in the two through holes, one end fixed mounting that recess 2 was kept away from to dead lever 9 has connecting block 10, and the other end of dead lever 9 extends to in the recess 2, and with 5 looks adaptations of fixed slot, fixed the cup joint has stopper 11 on the dead lever 9, and diaphragm 7 is located between stopper 11 and connecting block 10.
The utility model discloses in, fixed mounting has spring 12 between diaphragm 7 and the stopper 11, and the activity of spring 12 cup joints on dead lever 9, and stopper 11 can be extruded to spring 12's elastic restoring force for stopper 11 removes.
The utility model discloses in, two connecting blocks 10 keep away from the one end of last blade root load sensor 4 and all rotate and install pull rod 13, and pull rod 13 swings, can drive the vertical removal of connecting block 10.
The utility model discloses in, blade 1 keeps away from one side of last blade root load sensor 4 and offers the mounting groove 14 that is linked together with cavity 6, and bull stick 15 is installed to the 14 internal rotations in mounting groove, and bull stick 15 can be at 14 internal rotations in mounting groove.
The utility model discloses in, outside the one end of bull stick 15 extended to blade 1, and fixed mounting had handle 16, in the other end of bull stick 15 extended to cavity 6, and fixed cup joints runner 17, rotates handle 16, can drive runner 17 through bull stick 15 and rotate.
The utility model discloses in, the one end that two pull rods 13 are close to each other is fixed mounting respectively and keeps away from the top and the bottom of handle 16 one side at runner 17, and runner 17 rotates, can drive two pull rods 13 swings.
In the utility model, when the fault of the upper blade root load sensor needs to be replaced, the handle 16 is rotated to drive the rotating rod 15 to rotate, thereby the rotating wheel 17 fixedly sleeved on the rotating rod 15 is rotated, because the fixed rod 9 is slidably arranged in the through hole 8, the fixed rod 9 can only vertically slide along the through hole 8, thereby the connecting block 10 fixedly connected with the fixed rod 9 can only vertically move, because of the connection relation among the rotating wheel 17, the pull rod 13 and the connecting block 10, along with the rotation of the rotating wheel 17, the connecting block 10 can be pulled by the pull rod 13 to enable the two connecting blocks 10 to mutually approach, thereby the two fixed rods 9 are driven to mutually approach, because the limiting block 10 is fixedly sleeved on the fixed rod 9, the limiting block 10 can be driven to move, and the spring 12 is compressed, when the fixed rod 9 is moved out of the fixed groove 5, the limitation on the positioning column 3 is removed, thereby the upper blade root load sensor, then insert two new reference columns 3 of going up blade root load sensor 4 one side fixed mounting respectively in two recesses 2, loosen handle 16, because of the elastic restoring force of spring 12, extrude stopper 11 for stopper 11 removes towards reference column 3's direction, thereby drives dead lever 9 and removes, makes dead lever 9 reinsert in fixed slot 5, has finally accomplished the quick replacement of going up blade root load sensor 4. The utility model discloses simple structure, reasonable in design, convenient operation, blade root load sensor in the change that can be quick has solved current bolt corrosion and has leaded to going up the inconvenient problem of changing of blade root load sensor, is fit for using widely.
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 generating set is based on a blade root load detection device, and comprises a blade (1) and an upper blade root load sensor (4) arranged on one side of the blade (1), and is characterized in that two grooves (2) are formed in one side, close to the upper blade root load sensor (4), of the blade (1), two positioning columns (3) are fixedly arranged on one side, close to the blade (1), of the upper blade root load sensor (4), the two positioning columns (3) are movably arranged in the two grooves (2) respectively, fixing grooves (5) are formed in one sides, close to the two positioning columns (3), of the two fixing grooves (5) are located in the two grooves (2) respectively, a cavity (6) is formed in the blade (1), the cavity (6) is located between the two grooves (2), two transverse plates (7) are fixedly arranged between the inner walls on the two sides of the cavity (6, through-hole (8) have all been seted up at the top of two diaphragm (7), equal slidable mounting has dead lever (9) in two through-holes (8), and outside the both ends of dead lever (9) all extended to through-hole (8), the one end fixed mounting that recess (2) were kept away from in dead lever (9) has connecting block (10), the other end of dead lever (9) extends to in recess (2), and with fixed slot (5) looks adaptation, fixed cover has connect stopper (11) on dead lever (9), and diaphragm (7) are located between stopper (11) and connecting block (10).
2. The blade root load detection device of the wind generating set according to claim 1, wherein a spring (12) is fixedly installed between the transverse plate (7) and the limiting block (11), and the spring (12) is movably sleeved on the fixing rod (9).
3. The blade root load detection device of the wind generating set according to claim 1, characterized in that the ends of the two connecting blocks (10) far away from the upper blade root load sensor (4) are rotatably provided with pull rods (13).
4. The blade root load detection device of the wind generating set according to claim 1, wherein a mounting groove (14) communicated with the cavity (6) is formed in one side of the blade (1) far away from the upper blade root load sensor (4), and a rotating rod (15) is rotatably mounted in the mounting groove (14).
5. The blade root load detection device of the wind generating set according to claim 4, wherein one end of the rotating rod (15) extends to the outside of the blade (1) and is fixedly provided with a handle (16), the other end of the rotating rod (15) extends to the inside of the cavity (6) and is fixedly sleeved with a rotating wheel (17).
6. A blade root load detection device for a wind generating set according to claim 3, characterized in that the ends of the two tie rods (13) close to each other are fixedly mounted on the top and bottom of the side of the rotating wheel (17) far from the handle (16), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022443825.4U CN213511048U (en) | 2020-10-29 | 2020-10-29 | Blade root load detection device based on wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022443825.4U CN213511048U (en) | 2020-10-29 | 2020-10-29 | Blade root load detection device based on wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213511048U true CN213511048U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022443825.4U Expired - Fee Related CN213511048U (en) | 2020-10-29 | 2020-10-29 | Blade root load detection device based on wind generating set |
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| CN (1) | CN213511048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847213A (en) * | 2021-11-17 | 2021-12-28 | 西安热工研究院有限公司 | Wind generating set blade load monitoring device and method |
-
2020
- 2020-10-29 CN CN202022443825.4U patent/CN213511048U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847213A (en) * | 2021-11-17 | 2021-12-28 | 西安热工研究院有限公司 | Wind generating set blade load monitoring device and method |
| CN113847213B (en) * | 2021-11-17 | 2024-01-23 | 西安热工研究院有限公司 | Wind generating set blade load monitoring device and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |