CN117949202B - Wind driven generator blade detection device - Google Patents
Wind driven generator blade detection device Download PDFInfo
- Publication number
- CN117949202B CN117949202B CN202410346096.0A CN202410346096A CN117949202B CN 117949202 B CN117949202 B CN 117949202B CN 202410346096 A CN202410346096 A CN 202410346096A CN 117949202 B CN117949202 B CN 117949202B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- driven generator
- wind turbine
- wind driven
- glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000005488 sandblasting Methods 0.000 claims abstract description 27
- 239000003292 glue Substances 0.000 claims description 75
- 238000005507 spraying Methods 0.000 claims description 73
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 56
- 239000004576 sand Substances 0.000 claims description 45
- 229910052742 iron Inorganic materials 0.000 claims description 28
- 238000003860 storage Methods 0.000 claims description 26
- 238000001035 drying Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 5
- 210000001503 joint Anatomy 0.000 claims 4
- 229920006335 epoxy glue Polymers 0.000 claims 1
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 238000011056 performance test Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 13
- 238000003825 pressing Methods 0.000 description 6
- 238000005422 blasting Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000011157 advanced composite material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of wind driven generator application, in particular to a wind driven generator blade detection device, which comprises a base plate and a vertical plate fixedly connected to the base plate, wherein a plurality of wind driven generator blades are arranged on the front side of the upper part of the vertical plate at equal intervals, a belt rotating assembly for synchronously driving the plurality of wind driven generator blades to rotate is arranged on the rear side of the upper part of the vertical plate, a loading mechanism for sand blasting and weighting the single wind driven generator blade is arranged on the top of the vertical plate, a piezoresistance mechanism for rotating and increasing resistance of the whole frame of the wind driven generator blade is arranged on the front side of the vertical plate, and the belt rotating assembly, the loading mechanism and the piezoresistance mechanism are matched for use, so that the durability performance test can be carried out on a plurality of groups of wind driven generator blades at one time, and continuous cyclic load detection is carried out on the blades through simulating wind load and fatigue load under the actual use condition so as to evaluate the service life and durability of the wind driven generator blades.
Description
Technical Field
The invention relates to the technical field of wind driven generator application, in particular to a wind driven generator blade detection device.
Background
Wind power generators are divided into large wind power generators and small wind power generators, wherein the small wind power generators are more common, blades of the small wind power generators are usually made of light and high-strength materials such as glass fiber reinforced plastics (GRP) or carbon fibers, the light and high-strength materials have blade profile designs which are in line with aerodynamic characteristics and good wind load resistance, the light and high-strength materials are manufactured by adopting an advanced composite material process, the blades are important components of the wind power generator and are used for extracting kinetic energy from wind and driving a generator rotor to generate electric energy, and the performance of the blades directly influences the power generation efficiency and reliability of the wind power generator, so that performance detection can be carried out on the wind power generator blades before the wind power generator blades leave a factory for use.
The performance detection items of small-size aerogenerator blade are more, and common performance detection items include: mechanical property testing, dynamic balance testing, noise testing, density and tissue structure testing, wind tunnel testing, and durability testing, wherein the durability testing is capable of evaluating the service life and durability of the wind turbine blade.
The existing endurance performance test mode of the small wind driven generator blade is to detect the whole frame of the single wind driven generator blade, no comparison of products in the same batch is made, the specific situation of the test is not easy to judge, in the test, the whole frame of the blade is driven by unidirectional wind power to rotate, although the operation condition of the actual wind driven generator blade is met, but under natural conditions, the wind power changes variously, the influence position of wind resistance on the blade also changes continuously, the wind resistance condition of the actual wind driven generator blade is obviously difficult to simulate by means of unidirectional wind power to drive the whole frame of the blade, and some small wind driven generators are installed in areas with severe natural environment, the problem of surface icing can occur, the self load of the blade can be increased, the situation that the load of the blade is increased is not taken into consideration in the existing mode, and the limit endurance of the wind driven generator blade cannot be accurately determined.
Disclosure of Invention
The technical problems to be solved are as follows: the invention provides a wind driven generator blade detection device which can solve the problems.
The technical scheme is as follows: in order to achieve the above purpose, the invention adopts the following technical scheme that the wind driven generator blade detection device comprises a base plate and a vertical plate fixedly connected to the base plate, wherein a plurality of wind driven generator blade whole frames are equidistantly arranged on the front side of the upper part of the vertical plate, a belt rotating assembly for synchronously driving the plurality of wind driven generator blade whole frames to rotate is arranged on the rear side of the upper part of the vertical plate, a loading mechanism for carrying out sand blasting weighting on single wind driven generator blade is arranged on the top of the vertical plate, and a piezoresistance mechanism for carrying out rotation resistance increasing on the whole frames of the wind driven generator blade is arranged on the front side of the vertical plate.
The loading mechanism comprises a rectangular frame body fixedly connected to the top of the vertical plate, a movable plate type frame is connected to the inside of the rectangular frame body in a sliding mode, the right end of the movable plate type frame is fixedly connected to the output end of a first electric push rod, the first electric push rod is fixedly connected to the top of the vertical plate, glue spraying units used for spraying glue to the back surfaces of single wind turbine blades according to sequence are arranged on the movable plate type frame and the base plate, sand spraying units used for spraying iron sand to the back surfaces of the single wind turbine blades after glue spraying are arranged, and drying units used for rapidly drying the glue to the back surfaces of the single wind turbine blades after glue spraying and sand spraying are arranged.
The piezoresistive mechanism comprises a plurality of second electric push rods fixedly connected to the front side of the vertical plate, the output ends of the second electric push rods are fixedly connected with mounting frames together, the front sides of the mounting frames are fixedly connected with arches corresponding to the positions of the whole wind turbine blades, the tops of the arches are fixedly connected with jacking plates together, one side wall of each arch close to each wind turbine blade corresponds to two ends of each wind turbine blade and is slidably connected with movable rods in the middle, one end of each movable rod, far away from each wind turbine blade, is rotatably provided with contact rollers, a jacking spring sleeved on each movable rod is arranged between each contact roller and one side wall of each arch close to each wind turbine blade, the central axes of the pressing rings at the same arch position coincide with the central axes of the corresponding wind turbine blades, each cam at the same arch position is fixedly connected to a first rotating shaft in a rolling mode, the upper end of each first rotating shaft extends out of the arch and is fixedly connected with a second bevel gear, the first bevel gear is meshed with each first rotating shaft, each first bevel gear is fixedly connected to the first bevel gear in a jacking plate, and the first bevel gear is fixedly connected to the first rotating shaft through the first bevel gear jacking plates.
As a preferable technical scheme of the invention, the rotating component comprises connectors which are rotationally connected to the vertical plates corresponding to the positions of the whole frames of the wind driven generator blades, the rear ends of the connectors are fixedly connected with fourth bevel gears, the fourth bevel gears are in meshed connection with third bevel gears, the third bevel gears are fixedly connected to third rotating shafts together, the third rotating shafts are rotationally connected to the rear sides of the vertical plates through mounting blocks, one ends of the third rotating shafts are fixedly connected to the output ends of second motors, the second motors are fixedly connected to the rear sides of the vertical plates, the front ends of the connectors are provided with symmetrically distributed butt-joint arc plates, gaps are reserved between the two butt-joint arc plates, the two butt-joint arc plates are fixedly connected through a plurality of connecting bolts, and the mounting shafts of the whole frames of the wind driven generator blades are inserted into the connectors.
As a preferable technical scheme of the invention, the glue spraying unit comprises a glue storage tank fixedly connected to the base plate, epoxy resin glue is filled in the glue storage tank, a glue spraying pump is fixedly arranged on the glue storage tank, an input end pipeline of the glue spraying pump is connected into the glue storage tank, an output end of the glue spraying pump is connected with three groups of hoses through a four-way joint pipeline, one ends of the three groups of hoses, far away from the four-way joint, are respectively connected onto three groups of glue spraying main pipes through pipelines, the glue spraying main pipes are distributed at positions corresponding to the whole wind driven generator blade frame, a plurality of glue spraying joints are fixedly arranged on the glue spraying main pipes, and the glue spraying joints are fixedly connected onto the movable plate frame.
As a preferable technical scheme of the invention, the sand blasting unit comprises an iron sand storage box fixedly connected to a base plate, iron sand powder is filled in the iron sand storage box, a sand blasting pump is fixedly arranged on the iron sand storage box, an input end pipeline of the sand blasting pump is connected into the iron sand storage box, an output end of the sand blasting pump 322 is connected with three groups of hoses through a four-way joint pipeline, one ends of the three groups of hoses, far away from the four-way joint, are respectively connected with three groups of sand blasting cover heads through pipelines, and the sand blasting cover heads are fixedly connected to a movable plate type frame and are positioned at the left side of a glue spraying joint.
As a preferable technical scheme of the invention, the drying unit comprises a fan fixedly connected to a base plate, an output port pipeline of the fan is connected with one end of a spiral pipe group, the spiral pipe group is made of high-temperature-resistant glass, a cylinder body is fixedly coated outside the spiral pipe group, a plurality of heating resistors are fixedly arranged between the cylinder body and the spiral pipe group, the other end of the spiral pipe group is connected with three groups of heat-resistant hoses through a four-way joint pipeline, one ends of the three groups of heat-resistant hoses, far away from the four-way joint, are respectively connected to three groups of air spraying hood heads through pipelines, and the air spraying hood heads are fixedly connected to a movable plate frame and are positioned on the left side of the sand spraying hood heads.
As a preferable technical scheme of the invention, three groups of cams on the same second rotating shaft are sequentially distributed in a staggered way of 120 degrees.
The beneficial effects are that: 1. according to the loading mechanism, the weight of the wind driven generator blade can be increased by means of the way that iron sand is condensed on the wind driven generator blade through glue, icing and weight increasing conditions of the wind driven generator blade caused by cold weather are simulated, the influence of weight increasing on the service life and durability of the wind driven generator blade is detected, the limit durability of the wind driven generator blade can be estimated, the test is more accurate, the glue can be softened through heating and is directly scraped, and normal use of the detected wind driven generator blade is not affected.
2. According to the piezoresistive mechanism adopted by the invention, the piezoresistive rings at three different positions can alternately piezoresistive the two ends and the middle part of the wind driven generator blade, the condition that the wind resistance position of the wind driven generator blade is continuously changed in the using stage is simulated, the influence of wind resistance on the service life and the durability of the wind driven generator blade is detected, and the wind resistance strength can be regulated through the expansion and contraction of the second electric push rod.
3. The belt rotating assembly, the loading mechanism and the piezoresistive mechanism are matched for use, so that the durability test can be carried out on a plurality of groups of wind driven generator blades at one time, the continuous cyclic load detection is carried out on the blades by simulating wind load and fatigue load under the actual use condition, the service life and durability of the wind driven generator blades are estimated, the whole structure is simple, the whole frames of the plurality of groups of wind driven generator blades can be synchronously tested, test data are compared, and the test effect is easier to judge.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of a first view of the present invention.
Fig. 2 is a schematic view of a second perspective structure of the present invention.
FIG. 3 is a schematic perspective cross-sectional view of the piezoresistive mechanism of the present invention.
Fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present invention.
FIG. 5 is a schematic perspective cross-sectional view of the present invention with the loading mechanism removed.
Fig. 6 is a schematic view showing the connection structure of the first rotating shaft, the cam and the second bevel gear according to the present invention.
FIG. 7 is a schematic view showing the connection structure of the cylinder, the coil group and the heating resistor according to the present invention.
In the figure: 1. a base plate; 2. a piezoresistive mechanism; 21. a first motor; 22. a first rotating shaft; 23. a second rotating shaft; 24. a first bevel gear; 25. a second bevel gear; 26. a contact roller; 27. a resistance pressing ring; 28. a movable rod; 29. a pushing spring; 2010. a cam; 3. a loading mechanism; 31. a glue spraying unit; 311. a glue storage tank; 312. a glue spraying pump; 313. a glue spraying main pipe; 314. a glue spraying joint; 32. a blasting unit; 321. an iron sand storage box; 322. a sand-blasting pump; 323. a blasting hood head; 33. a drying unit; 331. a blower; 332. a cylinder; 333. a wind spraying hood head; 334. a heating resistor; 335. a spiral tube group; 34. a rectangular frame; 35. a movable plate type frame; 36. a first electric push rod; 4. a belt rotating assembly; 41. a second motor; 42. a third rotating shaft; 43. a third bevel gear; 44. a fourth bevel gear; 45. a connector; 46. a connecting bolt; 47. butt-jointing arc plates; 5. a vertical plate; 6. a mounting frame; 61. a top plate; 62. an arch frame; 7. and the second electric push rod.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1, a wind turbine blade detection device comprises a base plate 1 and a vertical plate 5 fixedly connected to the base plate 1, wherein a plurality of wind turbine blade whole frames are arranged on the front side of the upper portion of the vertical plate 5 at equal intervals, a belt rotating assembly 4 for synchronously driving the plurality of wind turbine blade whole frames to rotate is arranged on the rear side of the upper portion of the vertical plate 5, a loading mechanism 3 for carrying out sand blasting weighting on single wind turbine blades is arranged at the top of the vertical plate 5, and a piezoresistance mechanism 2 for carrying out rotation resistance increasing on the wind turbine blade whole frames is arranged on the front side of the vertical plate 5.
Referring to fig. 1, fig. 2, fig. 3 and fig. 7, the loading mechanism 3 includes a rectangular frame 34 fixedly connected to the top of the vertical plate 5, a movable plate frame 35 is slidably connected to the inside of the rectangular frame 34, the right end of the movable plate frame 35 is fixedly connected to the output end of a first electric push rod 36, the first electric push rod 36 is fixedly connected to the top of the vertical plate 5, glue spraying units 31 for spraying glue on the back surfaces of the single wind turbine blades in sequence are arranged on the movable plate frame 35 and the base plate 1, sand spraying units 32 for spraying iron sand on the back surfaces of the single wind turbine blades after glue spraying are arranged on the movable plate frame 35 and the base plate 1, and then drying units 33 for quickly drying the glue sprayed glue and the back surfaces of the single wind turbine blades after sand spraying are arranged on the movable plate frame 35 and the base plate 1.
The glue spraying unit 31 comprises a glue storage tank 311 fixedly connected to the base plate 1, epoxy resin glue is filled in the glue storage tank 311, a glue spraying pump 312 is fixedly installed on the glue storage tank 311, an input end pipeline of the glue spraying pump 312 is connected into the glue storage tank 311, an output end of the glue spraying pump 312 is connected with three groups of hoses (not shown in the figure) through four-way joint pipelines, one ends of the three groups of hoses, far away from the four-way joint, are respectively connected with three groups of glue spraying manifolds 313 through pipelines, the glue spraying manifolds 313 correspond to the position distribution of the wind driven generator blade whole frame, a plurality of glue spraying joints 314 are fixedly installed on the glue spraying manifolds 313, and the glue spraying joints 314 are fixedly connected with the movable plate type frame 35.
The sand blasting unit 32 comprises an iron sand storage box 321 fixedly connected to the base plate 1, iron sand powder is filled in the iron sand storage box 321, a sand blasting pump 322 is fixedly installed on the iron sand storage box 321, an input end pipeline of the sand blasting pump 322 is connected into the iron sand storage box 321, the output end of the sand blasting pump 322 is connected with three groups of hoses through a four-way joint pipeline, one ends of the three groups of hoses, far away from the four-way joint, are respectively connected with three groups of sand blasting cover heads 323 through pipelines, and the sand blasting cover heads 323 are fixedly connected with the movable plate type frame 35 and are positioned on the left side of the sand blasting joint 314.
The drying unit 33 comprises a fan 331 fixedly connected to the base plate 1, one end of a spiral pipe group 335 is connected to an output port pipeline of the fan 331, the spiral pipe group 335 is made of high-temperature-resistant glass, a cylinder 332 is fixedly covered outside the spiral pipe group 335, a plurality of heating resistors 334 are fixedly arranged between the cylinder 332 and the spiral pipe group 335, the other end of the spiral pipe group 335 is connected with three heat-resistant hoses through a four-way joint pipeline, one ends of the three heat-resistant hoses, far away from the four-way joint, are respectively connected to three air spraying cover heads 333 through pipelines, and the air spraying cover heads 333 are fixedly connected to the movable plate frame 35 and are positioned on the left side of the sand spraying cover heads 323.
Specifically, during operation, the movable plate frame 35 is controlled to move in the rectangular frame 34 through the telescopic movement of the first electric push rod 36, the glue spraying unit 31, the sand spraying unit 32 and the drying unit 33 are sequentially opposite to the blades of the wind driven generator, glue in the glue storage box 311 is pumped through the glue spraying pump 312 during glue spraying, the glue is conveyed to each glue spraying main pipe 313 under pressure, then the glue is sprayed on a single blade of the whole wind driven generator blade frame through the glue spraying joint 314, during sand spraying, iron sand powder in the iron sand storage box 321 is pumped through the sand spraying pump 322, the pressure is conveyed to each sand spraying cover head 323, then the iron sand powder is sprayed on the blade covered with the glue through the sand spraying cover head 323, during air spraying, the air is pumped into the spiral pipe group 335 through the fan 331, the air in the spiral pipe group 335 is heated by electrifying the heating resistor 334, the hot air is conveyed to the air spraying cover head 333 under pressure, the mixture of the iron sand and the glue on the blade is quickly dried and shaped through the air spraying cover head 333, and the air flow can be prolonged, and the air flow can be ensured.
Referring to fig. 1, fig. 2, fig. 5 and fig. 6, the piezoresistive mechanism 2 includes a plurality of second electric push rods 7 fixedly connected to the front side of the riser 5, the output end of each second electric push rod 7 is fixedly connected to a mounting frame 6, the front side of the mounting frame 6 is fixedly connected to an arch 62 corresponding to the position of a plurality of wind turbine blade brackets, the top of each arch 62 is fixedly connected to a top plate 61, the arch 62 is closely attached to two ends of a side wall of a wind turbine blade corresponding to a single wind turbine blade and is slidingly connected to a movable rod 28 in a middle position, one end of the movable rod 28 far away from the wind turbine blade is rotatably provided with a contact roller 26, a pushing spring 29 sleeved on the movable rod 28 is arranged between the contact roller 26 and one side wall of the arch 62 close to the wind turbine blade, one end of the movable rod 28 close to the wind turbine blade is fixedly connected to a piezoresistive ring 27, the central axis of each pressing ring 27 in the same arch 62 is coincident with the central axis of the corresponding wind turbine blade bracket, the contact roller 26 is in rolling contact with a cam 2010, each cam 2010 in the same arch 62 is fixedly connected to the first rotating shaft 22 in a rolling manner, each cam 2010 in the same arch 62 is fixedly connected to the first rotating shaft 22, the first rotating shaft 22 is rotatably connected to the first bevel gear 22 in a rolling manner, the first rotating shaft 22 is fixedly connected to the first bevel gear 23, the first rotating shaft 22 is fixedly connected to the first rotating shaft 22 and the upper end of the cam 22 is fixedly connected to the first rotating shaft 22, and the upper end of the upper bevel gear 23 is fixedly connected to the upper end of the upper bevel gear 23.
During specific work, the distance between the piezoresistive mechanism 2 and the loading mechanism 3 is controlled in a telescopic mode through the second electric push rod 7, the installation of the integral frame of the wind driven generator blade can be facilitated by enlarging the distance, the pressing resistance of the piezoresistive mechanism 2 to the integral frame of the wind driven generator blade can be adjusted by reducing the distance, the second rotating shaft 23 is controlled to rotate through the operation of the first motor 21, the first bevel gear 24 drives the second bevel gear 25 to rotate so as to control the first rotating shaft 22 to rotate, the first rotating shaft 22 controls the cam 2010 to rotate so as to carry out position adjustment on the contact roller 26, the movable rod 28 is controlled to extend by the movement of the contact roller 26, the movable rod 28 drives the piezoresistive ring 27 to carry out friction obstruction on the front side face of the integral frame of the wind driven generator blade, the condition that the wind driven generator blade is affected by wind resistance is simulated, and the pushing spring 29 can ensure close contact of the contact roller 26 and the cam 2010 and the movable rod 28 is reset.
Referring to fig. 1, 2 and 4, the rotating component 4 includes a connector 45 rotatably connected to the riser 5 corresponding to the position of the whole frame of each wind turbine blade, a fourth bevel gear 44 fixedly connected to the rear end of the connector 45, a third bevel gear 43 engaged and connected to the fourth bevel gear 44, the third bevel gears 43 are fixedly connected to the third rotating shafts 42 together, the third rotating shafts 42 are rotatably connected to the rear side of the riser 5 through mounting blocks, one end of each third rotating shaft 42 is fixedly connected to the output end of the second motor 41, the second motor 41 is fixedly connected to the rear side of the riser 5, symmetrically distributed butt arc plates 47 are arranged at the front end of the connector 45, a gap is reserved between the two butt arc plates 47, the two butt arc plates 47 are fixedly connected through a plurality of connecting bolts 46, and the mounting shaft of the whole frame of the wind turbine blade is inserted into the connector 45.
When the wind driven generator blade whole frame is particularly in operation, after the installation shaft of the wind driven generator blade whole frame is inserted into the connector 45, the butt arc plate 47 is locked through the connecting bolt 46, the installation shaft of the wind driven generator blade whole frame is rapidly installed on the connector 45, the third rotating shaft 42 is controlled to rotate through the operation of the second motor 41, the third bevel gear 43 drives the fourth bevel gear 44 to rotate so as to control the connector 45 to rotate, the connector 45 drives the wind driven generator blade whole frame to rotate, and the wind driven generator blade wind receiving rotation condition is simulated.
Referring to fig. 6, three sets of cams 2010 on the same second rotating shaft 23 are sequentially staggered by 120 °.
When the device specifically works, when the first rotating shaft 22 rotates, the cams 2010 on the same first rotating shaft 22 can sequentially and alternately eject the corresponding movable rods 28 by taking 120 degrees as a period, so that three groups of resistance pressing rings 27 sequentially and alternately pressure-resistance the whole frame of the wind driven generator blade, the actual wind resistance stress condition of the wind driven generator blade also has variability due to the variability of wind power, the condition that the stress is concentrated at any position inside and outside the wind driven generator blade can occur in stages, and the detection process is closer to the actual wind resistance condition through the alternate pressure-resistance wind driven generator blades of the three groups of resistance pressing rings 27 inside, middle and outside.
When in use, the utility model is characterized in that: s1: firstly, the distance between the piezoresistive mechanism 2 and the loading mechanism 3 is controlled by stretching the second electric push rod 7, after the distance is enlarged, the mounting shaft of the whole wind driven generator blade frame is quickly mounted on the connector 45 through the connecting bolt 46, and then the distance between the piezoresistive mechanism 2 and the loading mechanism 3 is reduced.
S2: the third rotating shaft 42 is controlled to rotate by the slow running of the second motor 41, the third bevel gear 43 drives the fourth bevel gear 44 to rotate so as to control the connector 45 to rotate, the connector 45 drives the whole wind driven generator blade to rotate slowly, any wind driven generator blade is vertical, glue in the glue storage tank 311 is pumped by the glue spraying pump 312, the pressure is conveyed to each glue spraying main pipe 313, the glue is sprayed on a single blade of the whole wind driven generator blade frame by the glue spraying connector 314, the movable plate frame 35 is pushed to move by the first electric push rod 36, the sand spraying cover head 323 is opposite to the wind driven generator blade with glue sprayed, then the sand spraying pump 322 pumps the iron sand powder in the iron sand storage tank 321, the pressure is conveyed to each sand spraying cover head 323, the sand blasting cover head 323 sprays iron sand powder onto the blades covered with glue, the movable plate type frame 35 is pushed to move by the first electric push rod 36, the air is pumped by the fan 331 to be conveyed into the spiral pipe group 335, the air in the spiral pipe group 335 is heated by the heat generated by electrifying the heating resistor 334, the hot air is conveyed to the air blasting cover head 333 by pressure, the mixture of the iron sand and the glue on the blades is quickly dried and shaped by the hot air sprayed by the air blasting cover head 333, then the second motor 41 is slowly operated again, the next wind driven generator blade is rotated to the vertical position, and then the processes of glue spraying, sand blasting and drying are carried out until all the wind driven generator blades are loaded.
S3: the second motor 41 is used for fast running control of the rotation of the wind driven generator blade, meanwhile, the distance between the piezoresistive mechanism 2 and the loading mechanism 3 is shortened through the second electric push rod 7, then the second rotating shaft 23 is controlled to rotate through the operation of the first motor 21, the first bevel gear 24 drives the second bevel gear 25 to rotate to control the first rotating shaft 22 to rotate, the first rotating shaft 22 controls the cam 2010 to rotate to carry out position adjustment on the contact roller 26, the movable control movable rod 28 of the contact roller 26 extends out, the piezoresistive ring 27 is driven by the movable rod 28 to carry out friction obstruction on the front side surface of the whole frame of the wind driven generator blade, S3 is continuously carried out, the service life and durability of the wind driven generator blade are tested, and whether the wind driven generator blade is qualified or not is judged through whether larger noise is generated or not.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a wind-driven generator blade detection device, includes bed plate (1) and riser (5) of fixed connection on bed plate (1), its characterized in that: the rear side of the upper part of the vertical plate (5) is provided with a belt rotating assembly (4) for synchronously driving the whole frames of the plurality of wind driven generator blades to rotate, the top of the vertical plate (5) is provided with a loading mechanism (3) for sand blasting weighting, and the front side of the vertical plate (5) is provided with a piezoresistive mechanism (2) for rotating and increasing resistance;
The loading mechanism (3) comprises a rectangular frame body (34) fixedly connected to the top of the vertical plate (5), a movable plate frame (35) is slidably connected to the inside of the rectangular frame body (34), the right end of the movable plate frame (35) is fixedly connected to the output end of a first electric push rod (36), the first electric push rod (36) is fixedly connected to the top of the vertical plate (5), glue spraying units (31) for spraying glue to the back surfaces of single wind turbine blades, sand spraying units (32) for spraying iron sand to the back surfaces of the single wind turbine blades after glue spraying and drying units (33) for drying the back surfaces of the single wind turbine blades after sand spraying are arranged on the movable plate frame (35) and the base plate (1);
The piezoresistive mechanism (2) comprises a plurality of second electric push rods (7) fixedly connected to the front side of the vertical plate (5), a mounting frame (6) is fixedly connected to the output end of each second electric push rod (7), a plurality of arches (62) are fixedly connected to the front side of the mounting frame (6) corresponding to the whole frame of the wind turbine blades, a jacking plate (61) is fixedly connected to the top of each arch (62), movable rods (28) are slidingly connected to one side wall of each arch (62) close to each wind turbine blade corresponding to two ends and the middle position of each wind turbine blade, contact rollers (26) are rotatably arranged at one ends of the movable rods (28) far away from the wind turbine blades, pushing springs (29) are arranged between the contact rollers (26) and the arches (62), piezoresistive rings (27) are fixedly connected to one ends of the movable rods (28) close to the wind turbine blades, cams (2010) are in rolling contact with the contact rollers (26), the cams (2010) are fixedly connected to the same arch (62) at the same position, the cams (2010) are rotatably connected to the first rotating shafts (22), the first rotating shafts (22) are rotatably connected between the upper walls and the lower walls of the arches (62), the first rotating shafts (22) are rotatably connected to the second bevel gears (25) are fixedly connected to the outer bevel gears (25), each first bevel gear (24) is fixedly connected to a second rotating shaft (23), the second rotating shaft (23) is rotatably connected to the top plate (61) through a mounting block, one end of the second rotating shaft (23) is fixedly connected to the output end of the first motor (21), and the first motor (21) is fixedly connected to the top plate (61).
2. A wind turbine blade inspection apparatus according to claim 1, wherein: the utility model provides a take commentaries on classics subassembly (4) including corresponding the connector (45) of the whole frame of each aerogenerator blade on riser (5) of position rotation connection, connector (45) rear end fixedly connected with fourth bevel gear (44), fourth bevel gear (44) meshing is connected with third bevel gear (43), each third bevel gear (43) are fixed connection jointly on third pivot (42), third pivot (42) are rotated through the installation piece and are connected on riser (5) rear side, third pivot (42) one end fixed connection is on the output of second motor (41), second motor (41) fixed connection is at riser (5) rear side, the front end of connector (45) is equipped with butt joint arc board (47) of symmetric distribution, leave the space between two butt joint arc boards (47), two butt joint arc boards (47) are fixed to link to each other through a plurality of connecting bolts (46), the installation axle of the whole frame of aerogenerator blade inserts in connector (45).
3. A wind turbine blade inspection apparatus according to claim 1, wherein: glue spraying unit (31) are including glue bin (311) of fixed connection on bed plate (1), glue bin (311) intussuseption is filled with epoxy glue, install on glue bin (311) and be fixed with on spouting gluey pump (312), the input pipeline of spouting gluey pump (312) is inserted into glue bin (311), spout the output of gluey pump (312) and pass through three hose of cross connection pipe connection, the one end that the cross connection was kept away from to three hose is pipeline connection respectively on three group spouts gluey house stewards (313), spout gluey house stewards (313) and correspond the position distribution of wind-driven generator blade whole frame, spout and install on gluey house stewards (313) and be fixed with a plurality of spouts gluey joints (314), spout gluey joint (314) fixed connection on movable plate type frame (35).
4. A wind turbine blade inspection apparatus according to claim 1, wherein: the sand blasting unit (32) comprises an iron sand storage box (321) fixedly connected to the base plate (1), iron sand powder is filled in the iron sand storage box (321), a sand blasting pump (322) is fixedly installed on the iron sand storage box (321), an input end pipeline of the sand blasting pump (322) is connected into the iron sand storage box (321), the output end of the sand blasting pump (322) is connected with three groups of hoses through a four-way joint pipeline, one ends of the three groups of hoses, far away from the four-way joint, are respectively connected onto three groups of sand blasting cover heads (323), and the sand blasting cover heads (323) are fixedly connected onto the movable plate frame (35) and are positioned on the left side of the sand blasting joint (314).
5. A wind turbine blade inspection apparatus according to claim 1, wherein: the drying unit (33) comprises a fan (331) fixedly connected to the base plate (1), an output port pipeline of the fan (331) is connected with one end of a spiral pipe group (335), the spiral pipe group (335) is made of high-temperature-resistant glass, a cylinder body (332) is fixedly covered on the outer portion of the spiral pipe group (335), a plurality of heating resistors (334) are fixedly arranged between the cylinder body (332) and the spiral pipe group (335), the other end of the spiral pipe group (335) is connected with three heat-resistant hoses through a four-way joint pipeline, one ends of the three heat-resistant hoses, far away from the four-way joint, are respectively connected with three groups of air spraying hood heads (333) through pipelines, and the air spraying hood heads (333) are fixedly connected to the movable plate type frame (35) and are positioned on the left side of the sand spraying hood heads (323).
6. A wind turbine blade inspection apparatus according to claim 1, wherein: three groups of cams (2010) on the same second rotating shaft (23) are sequentially distributed in a staggered mode at 120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410346096.0A CN117949202B (en) | 2024-03-26 | 2024-03-26 | Wind driven generator blade detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410346096.0A CN117949202B (en) | 2024-03-26 | 2024-03-26 | Wind driven generator blade detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117949202A CN117949202A (en) | 2024-04-30 |
| CN117949202B true CN117949202B (en) | 2024-05-28 |
Family
ID=90798130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410346096.0A Active CN117949202B (en) | 2024-03-26 | 2024-03-26 | Wind driven generator blade detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117949202B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156040A (en) * | 2011-03-02 | 2011-08-17 | 株洲时代新材料科技股份有限公司 | Method for controlling rotation eccentricity mass and load during wind turbine blade fatigue test |
| CN103512732A (en) * | 2012-06-15 | 2014-01-15 | 上海同韵环保能源科技有限公司 | Wind turbine generator system wind turbine blade fatigue loading test device and method |
| CN105386940A (en) * | 2015-12-21 | 2016-03-09 | 上海电气自动化设计研究所有限公司 | Wind power blade online real-time dynamic monitoring device and installation method thereof |
| CN106679719A (en) * | 2016-12-13 | 2017-05-17 | 云南能投海装新能源设备有限公司 | Fan icing detection device |
| CN107035627A (en) * | 2017-06-16 | 2017-08-11 | 叶井龙 | A kind of multi-functional fan blade |
| CN107121276A (en) * | 2017-06-27 | 2017-09-01 | 华北电力大学（保定） | A kind of high-power wind mill blade fatigue test loading device |
| CN109915331A (en) * | 2019-04-30 | 2019-06-21 | 东北农业大学 | Wind-driven generator icing weatherability experimental system and test method |
| CN110057518A (en) * | 2019-05-21 | 2019-07-26 | 山东理工大学 | A kind of loading method and device for rear edge of wind turbine blade component |
| CN110369039A (en) * | 2019-07-26 | 2019-10-25 | 蚌埠学院 | A kind of water mill rice noodle processing device and its method |
| CN110608138A (en) * | 2019-10-21 | 2019-12-24 | 南京工业大学 | Wind turbine blade real-scale simulation wind power distributed loading test system and operation method |
| KR102252594B1 (en) * | 2020-03-17 | 2021-05-17 | 주식회사 뉴원 | Apparatus Testing for Blade of Wind Turbine |
| CN114323610A (en) * | 2021-12-20 | 2022-04-12 | 武汉理工大学 | Multi-point double-freedom-degree fatigue testing device and control method for large offshore wind power blade |
| CN115127943A (en) * | 2022-07-07 | 2022-09-30 | 西安热工研究院有限公司 | Multifunctional testing platform and testing method for wind turbine blade |
| CN115235774A (en) * | 2022-07-15 | 2022-10-25 | 浙江海骆航空科技有限公司 | Device and method for measuring axial dynamic load of blade |
| CN115628871A (en) * | 2022-11-24 | 2023-01-20 | 兰州理工大学 | Bending and twisting combined loading wind power blade fatigue testing device and method |
| CN116465612A (en) * | 2023-04-11 | 2023-07-21 | 武汉科技大学 | Test equipment for testing aeroelastic stability of fan blade |
-
2024
- 2024-03-26 CN CN202410346096.0A patent/CN117949202B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156040A (en) * | 2011-03-02 | 2011-08-17 | 株洲时代新材料科技股份有限公司 | Method for controlling rotation eccentricity mass and load during wind turbine blade fatigue test |
| CN103512732A (en) * | 2012-06-15 | 2014-01-15 | 上海同韵环保能源科技有限公司 | Wind turbine generator system wind turbine blade fatigue loading test device and method |
| CN105386940A (en) * | 2015-12-21 | 2016-03-09 | 上海电气自动化设计研究所有限公司 | Wind power blade online real-time dynamic monitoring device and installation method thereof |
| CN106679719A (en) * | 2016-12-13 | 2017-05-17 | 云南能投海装新能源设备有限公司 | Fan icing detection device |
| CN107035627A (en) * | 2017-06-16 | 2017-08-11 | 叶井龙 | A kind of multi-functional fan blade |
| CN107121276A (en) * | 2017-06-27 | 2017-09-01 | 华北电力大学（保定） | A kind of high-power wind mill blade fatigue test loading device |
| CN109915331A (en) * | 2019-04-30 | 2019-06-21 | 东北农业大学 | Wind-driven generator icing weatherability experimental system and test method |
| CN110057518A (en) * | 2019-05-21 | 2019-07-26 | 山东理工大学 | A kind of loading method and device for rear edge of wind turbine blade component |
| CN110369039A (en) * | 2019-07-26 | 2019-10-25 | 蚌埠学院 | A kind of water mill rice noodle processing device and its method |
| CN110608138A (en) * | 2019-10-21 | 2019-12-24 | 南京工业大学 | Wind turbine blade real-scale simulation wind power distributed loading test system and operation method |
| KR102252594B1 (en) * | 2020-03-17 | 2021-05-17 | 주식회사 뉴원 | Apparatus Testing for Blade of Wind Turbine |
| CN114323610A (en) * | 2021-12-20 | 2022-04-12 | 武汉理工大学 | Multi-point double-freedom-degree fatigue testing device and control method for large offshore wind power blade |
| CN115127943A (en) * | 2022-07-07 | 2022-09-30 | 西安热工研究院有限公司 | Multifunctional testing platform and testing method for wind turbine blade |
| CN115235774A (en) * | 2022-07-15 | 2022-10-25 | 浙江海骆航空科技有限公司 | Device and method for measuring axial dynamic load of blade |
| CN115628871A (en) * | 2022-11-24 | 2023-01-20 | 兰州理工大学 | Bending and twisting combined loading wind power blade fatigue testing device and method |
| CN116465612A (en) * | 2023-04-11 | 2023-07-21 | 武汉科技大学 | Test equipment for testing aeroelastic stability of fan blade |
Non-Patent Citations (1)
| Title |
|---|
| 徐萍.风力机叶片损伤监测技术研究.《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》.2017,C042-290. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117949202A (en) | 2024-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108414260A (en) | Martian surface thermal environment simulation system | |
| CN111665191A (en) | Multi-angle on-site simulation detection concrete surface crack resistance inspection device and method | |
| CN117949202B (en) | Wind driven generator blade detection device | |
| CN209495842U (en) | The shot-peening simulator of aero-engine compressor blade blade | |
| CN106423929A (en) | Photovoltaic power generation panel cleaning device | |
| CN108212595A (en) | A kind of electronic component circuit plate processing circuit overlay device | |
| CN106730749A (en) | A kind of tennis transmitter | |
| CN212250338U (en) | Reliability test device for large-megawatt wind power cabin cover | |
| CN209146596U (en) | A kind of detecting robot of pipe | |
| CN108871824A (en) | A kind of building doors and windows curtain wall wind resistance detection system | |
| CN114165396A (en) | Adsorption type wind power blade crawling robot based on pneumatic muscle driving | |
| CN117213965B (en) | Fabric tearing resistance detection equipment and detection method | |
| CN201781923U (en) | Drum type superheated steam fixation machine | |
| CN201781924U (en) | Efficient hot-air tea fixation machine | |
| CN218892635U (en) | Wind driven generator blade axial flow impeller negative pressure adsorption climbing detection robot platform | |
| CN209432913U (en) | A kind of cable circulating-heating controlling test measuring device | |
| CN104806845B (en) | Double-crank slide block type pipeline backflow walking robot | |
| CN108036673B (en) | Robot for cleaning rifling of fireworks | |
| CN108331709A (en) | A kind of wind power generating set with vertical shaft | |
| CN114790970A (en) | Wind driven generator set shaft centering monitoring and adjusting test device and test method | |
| CN208982316U (en) | A kind of energy conservation and environmental protection material handling fan | |
| CN113600431A (en) | Compact type long-span steel wire rope traction postposition throwing coating head swinging device | |
| CN209385307U (en) | A kind of air compressor machine | |
| CN209081726U (en) | A kind of furnace body of quick heating glass | |
| CN113514253A (en) | Complex meteorological condition testing platform applied to intelligent networked automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |