CN117386566B - Fan blade defect detection device based on unmanned aerial vehicle - Google Patents
Fan blade defect detection device based on unmanned aerial vehicle Download PDFInfo
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- CN117386566B CN117386566B CN202311658223.2A CN202311658223A CN117386566B CN 117386566 B CN117386566 B CN 117386566B CN 202311658223 A CN202311658223 A CN 202311658223A CN 117386566 B CN117386566 B CN 117386566B
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- 238000001514 detection method Methods 0.000 title claims abstract description 133
- 230000007547 defect Effects 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims description 26
- 238000004140 cleaning Methods 0.000 claims description 20
- 239000004744 fabric Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 19
- 230000005611 electricity Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 13
- 239000000428 dust Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U20/00—Constructional aspects of UAVs
- B64U20/80—Arrangement of on-board electronics, e.g. avionics systems or wiring
- B64U20/87—Mounting of imaging devices, e.g. mounting of gimbals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
- B64U10/13—Flying platforms
- B64U10/14—Flying platforms with four distinct rotor axes, e.g. quadcopters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
- F03D80/55—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/25—UAVs specially adapted for particular uses or applications for manufacturing or servicing
- B64U2101/26—UAVs specially adapted for particular uses or applications for manufacturing or servicing for manufacturing, inspections or repairs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
Abstract
The invention relates to a fan blade defect detection device based on an unmanned aerial vehicle, and belongs to the technical field of fan detection. Including unmanned aerial vehicle, control module is installed to unmanned aerial vehicle, control module with remote control terminal with the equal electricity of unmanned aerial vehicle is connected, unmanned aerial vehicle installs first driving motor, first driving motor with the control module electricity is connected, the output shaft fixedly connected with pivot of first driving motor, the pivot with unmanned aerial vehicle rotates to be connected, pivot fixedly connected with rotary shell, rotary shell sliding connection has first removal shell. According to the invention, the first movable shell drives the detection module to rotate together, so that the detection module always keeps a state of vertically facing the fan blade, and the detection quality is prevented from being influenced by relative deflection of the detection module and the fan blade in the detection process, so that the quality of the obtained image, the consistency of data and the accuracy of damage identification are improved.
Description
Technical Field
The invention relates to the technical field of fan detection, in particular to a fan blade defect detection device based on an unmanned aerial vehicle.
Background
The fan blade is the important component part of wind driven generator, and the operating condition of fan blade has decided the work efficiency of fan, and along with the long growth of fan blade use, fan blade receives external environmental factor's influence, and the surface of fan blade more or less can appear wearing and tearing, mar scheduling problem, in order to guarantee the normal operating of fan, need regularly carry out corresponding detection to the fan.
The existing detection technology adopts the form of an unmanned aerial vehicle, and the unmanned aerial vehicle directly carries detection equipment to detect the fan blade, but in the detection process of the lower side surface and the upper side surface of the fan blade, the detection equipment cannot keep a certain angle with the fan blade in operation, if different detection angles are used, the inconsistency of data of the fan blade at all positions in the detection process can be caused, and finally the accuracy of the defect detection of the fan blade is reduced.
Disclosure of Invention
The invention provides a fan blade defect detection device based on an unmanned aerial vehicle, and aims to overcome the defect that in the process of detecting fan blades in the prior art, detection equipment cannot keep a certain angle with the fan blades in operation, and the defect detection accuracy of the fan blades is poor.
The technical proposal is as follows: the utility model provides a fan blade defect detection device based on unmanned aerial vehicle, including unmanned aerial vehicle, control module is installed to unmanned aerial vehicle, control module with remote control terminal with unmanned aerial vehicle all electricity is connected, unmanned aerial vehicle installs first driving motor, first driving motor with the control module electricity is connected, first driving motor's output shaft fixedly connected with pivot, the pivot with unmanned aerial vehicle rotates to be connected, pivot fixedly connected with rotatory shell, rotatory shell sliding connection has first removal shell, first removal shell is kept away from one side of pivot is installed detection module, detection module with the control module electricity is connected, detection module is used for carrying out defect detection to fan blade, be provided with in the rotatory shell and be used for changing detection module and fan blade between distance's telescopic machanism, first removal shell is provided with the mechanism of blowing that is used for carrying out the clearance to fan blade.
As a further technical scheme of the invention, the telescopic mechanism comprises a second driving motor, the second driving motor is arranged in the rotary shell, the second driving motor is electrically connected with the control module, the output shaft of the second driving motor is fixedly connected with a first gear, a first rack is fixedly connected in the first movable shell, and the first rack is meshed with the first gear.
According to the invention, a second movable shell is slidably connected in the rotary shell, the second movable shell and the first movable shell are arranged in a central symmetry manner, a second rack is fixedly connected in the second movable shell, the second rack is meshed with the first gear, the second rack and the first rack are arranged in a central symmetry manner along the axis of the first gear, and a balancing weight is fixedly connected on one side of the second movable shell away from the first gear.
As a further technical scheme of the invention, the weight of the balancing weight is equal to the weight of all parts on the first movable shell.
As a further technical scheme of the invention, the blowing mechanism comprises a wind box, the wind box is fixedly connected to one side of the first movable shell, which is far away from the rotating shaft, a first air outlet is formed in one side of the wind box, limiting plates which are arranged at equal intervals are fixedly connected to the wind box, the limiting plates are provided with first limiting grooves, movable rods are fixedly connected between the limiting plates which are arranged at equal intervals, the wind box is slidably connected with limiting rods, the first limiting grooves which are arranged at equal intervals are matched with the limiting rods, a wind shield is fixedly connected to the middle part of the limiting rods, the wind shield is slidably connected with the wind box, and a first one-way valve, a second one-way valve, a third one-way valve and a fourth one-way valve are arranged in the wind box, and a power assembly for enabling the movable rods to move is arranged in the unmanned aerial vehicle.
As a further technical scheme of the invention, the first limit grooves of the limit plates which are arranged in a mirror image mode are arranged in a central symmetry mode.
As a further technical scheme of the invention, the power assembly comprises a gear ring which is arranged in a mirror mode, the gear rings which are arranged in the mirror mode are fixedly connected to the unmanned aerial vehicle, the rotating shaft is fixedly connected with a fixing plate which is arranged in the mirror mode, opposite sides of the fixing plate which are arranged in the mirror mode are respectively and rotatably connected with a second gear, connecting rods are fixedly connected between the second gears which are arranged in the mirror mode, the connecting rods are located at eccentric positions of the second gears which are arranged in the mirror mode, a movable frame is connected to the outer side of the rotary shell in a sliding mode, connecting rods are hinged between the movable frame and the connecting rods, an electric push rod is installed on one side, close to the movable rod, of the movable frame, the electric push rod is electrically connected with the control module, and a telescopic end of the electric push rod is fixedly connected with the movable rod.
The cleaning mechanism is arranged on the first movable shell, the cleaning mechanism comprises a fixed block, the fixed block is fixedly connected to one side, close to the detection module, of the first movable shell, a rotating rod is slidably connected to the fixed block, a second limit groove is formed in the rotating rod, a cloth strip is fixedly connected to one side, close to the detection module, of the rotating rod, a limit block is fixedly connected to the fixed block, the limit block is matched with the second limit groove of the rotating rod, and a transmission assembly used for enabling the rotating rod to move is arranged on the movable frame.
As a further technical scheme of the invention, the transmission assembly comprises a moving plate, the moving plate is fixedly connected to one side of the moving frame, one side of the moving plate is also provided with the electric push rod which is electrically connected with the control module, the telescopic end of the electric push rod is fixedly connected with a first electromagnet, the first electromagnet is electrically connected with the control module, one side of the fixed block, which is far away from the first moving shell, is slidably connected with a third rack, the third rack is a magnetic substance, the third rack is matched with the first electromagnet, one side of the fixed block, which is far away from the first moving shell, is rotationally connected with a third gear meshed with the third rack, the third gear is in spline connection with the rotating rod, and the bellows is provided with a wind direction assembly for changing the wind outlet direction.
As a further technical scheme of the invention, the wind direction component comprises an opening plate, the opening plate is rotatably connected to a first air outlet of the air box, the opening plate is a magnetic substance, a second air outlet is formed in one side, close to the rotating rod, of the air box, a second electromagnet is arranged on one side, far away from the opening plate, of the first air outlet of the air box, the second electromagnet is electrically connected with the control module, and the second electromagnet is matched with the opening plate.
The invention provides a fan blade defect detection device based on an unmanned aerial vehicle, which has the beneficial effects that: according to the invention, the detection module is driven to rotate together through the first movable shell, so that the detection module always keeps a state of vertically facing the fan blade, and the detection quality is prevented from being influenced by the relative deflection of the detection module and the fan blade in the detection process, so that the quality of an obtained image, the consistency of data and the accuracy of damage identification are improved; the distance between the detection module and the fan blade to be detected is reduced on the premise that the distance between the unmanned aerial vehicle and the fan blade is kept at a safe distance, so that the image acquired during detection is clearer and more accurate, the detection precision is improved, the condition of missing detection or false detection is reduced, the risk of collision between the unmanned aerial vehicle and the fan blade is reduced, and the protection of the unmanned aerial vehicle is enhanced; the balancing weight is moved to the opposite direction of the movement of the detection module, so that the stability of the integral gravity center of the unmanned aerial vehicle is maintained in the process of detecting the fan blade, the stability in the detection process is improved, and the detection effect on the fan blade is further improved; repeatedly extruding air in a right cavity in the bellows through the wind shield, and continuously blowing and wiping fan blades in a detection area, so that the cleaning effect on the fan blades is improved, and the detection effect on the fan blades is improved; utilize pivoted cloth and from bellows second air outlet department exhaust air with the dust clearance on the detection module, prevent that the dust on the detection module from sheltering from the detection position to this improves the detection effect to fan blade.
Drawings
FIG. 1 is a schematic perspective view of the whole structure of the present invention;
fig. 2 is a schematic perspective view of the unmanned aerial vehicle and its upper parts;
FIG. 3 is a schematic perspective view of the shaft and its upper parts according to the present invention;
FIG. 4 is a schematic perspective view of the telescopic mechanism of the present invention;
FIG. 5 is an exploded view of the three-dimensional structure of the telescopic mechanism of the present invention;
FIG. 6 is a schematic perspective view of a power assembly according to the present invention;
FIG. 7 is a schematic perspective view of a blower mechanism according to the present invention;
FIG. 8 is a schematic perspective view of a wind direction assembly according to the present invention;
FIG. 9 is an exploded view of the bellows and opening and closing plate of the present invention in a three-dimensional configuration;
FIG. 10 is a schematic perspective view of a transmission assembly according to the present invention;
FIG. 11 is a schematic perspective view of a cleaning mechanism according to the present invention;
fig. 12 is an exploded view of a three-dimensional structure of the cleaning mechanism and drive assembly of the present invention.
Reference numerals: the device comprises a first unmanned aerial vehicle, a 2-control module, a 3-first driving motor, a 4-rotating shaft, a 5-rotating shell, a 6-first moving shell, a 7-detection module, an 8-telescopic mechanism, a 801-second driving motor, a 802-first gear, a 803-first rack, a 804-second moving shell, a 805-second rack, a 806-balancing weight, a 9-blowing mechanism, a 901-bellows, a 902-limiting plate, a 903-moving rod, a 904-limiting rod, a 905-wind shield, a 906-first one-way valve, a 907-second one-way valve, a 908-third one-way valve, a 909-fourth one-way valve, a 10-power assembly, a 1001-gear ring, a 1002-fixed plate, 1003-second gear, a 1004-connecting rod, a 1005-moving frame, a 1006-connecting rod, a 1007-electric push rod, a 11-cleaning mechanism, 1101-fixed block, a 1102-rotating rod, a 1103-cloth bar, a 1104-limiting block, a 12-transmission assembly, a 1201-moving plate, a 1202-first electromagnet, a 1203-third rack 1204, a third gear, a 13-1301-wind-side assembly, a 1302-second electromagnet and a second electromagnet.
Detailed Description
In which the drawings are schematic representations, not physical drawings, and are not to be construed as limiting the present patent, and in which some mechanisms of the drawings may be omitted, enlarged or reduced in order to better illustrate the embodiments of the present invention, and not to represent the actual product size, it is possible that some well-known structures and descriptions in the drawings may be omitted to those skilled in the art.
Example 1: the utility model provides a fan blade defect detection device based on unmanned aerial vehicle, as shown in fig. 1-5, including unmanned aerial vehicle 1, unmanned aerial vehicle 1 installs the control module 2 who is connected with it electricity, control module 2 is connected with the remote control terminal electricity, first driving motor 3 who is connected with control module 2 electricity is installed to unmanned aerial vehicle 1's front side, the output shaft fixedly connected with of first driving motor 3 rotates the pivot 4 of being connected with unmanned aerial vehicle 1, the middle part fixedly connected with rotatory shell 5 of pivot 4, rotatory shell 5 runs through pivot 4, sliding connection has first removal shell 6 in rotatory shell 5, the detection module 7 who is connected with control module 2 electricity is installed in the left side of first removal shell 6, detection module 7 comprises infrared probe and camera, detection module 7 is prior art, the detection module 7 is located first removal shell 6 for the detection module 7 in the protection course of working, detection module 7 is used for carrying out defect detection to fan blade, be provided with in the rotatory shell 5 and be used for changing the detection module 7 and fan blade distance 8, the first removal shell 6 is provided with the detection module and is used for making the fan blade detection device that detects the blade and is consistently and is used for detecting the fan blade detection device that the blade detection device is consistently and is used for detecting the blade detection device is consistently perpendicular to the blade detection device is detected to the blade position and is consistently the detection device is used for detecting blade detection device and is consistently to the blade detection device is detected to the blade detection device is the detection device is used for detecting blade is the detection device is more than 9 in the state is the state of the prior art.
As shown in fig. 3-5, the telescopic mechanism 8 includes a second driving motor 801 electrically connected to the control module 2, the second driving motor 801 is mounted in the middle of the rear side of the inner wall of the rotating shell 5, an output shaft of the second driving motor 801 is fixedly connected with a first gear 802, a front part of the upper side of the inner wall of the first moving shell 6 is fixedly connected with a first rack 803 meshed with the first gear 802, by reducing the distance between the detection module 7 and a fan blade to be detected, the acquired image during detection is clearer and more accurate, the detection accuracy is improved, the condition of missing detection or false detection is reduced, the risk of collision between the unmanned aerial vehicle 1 and the fan blade is reduced, the protection of the unmanned aerial vehicle 1 is enhanced, a second moving shell 804 is slidably connected in the rotating shell 5, the second moving shell 804 and the first moving shell 6 are arranged in a central symmetry manner, a second rack 805 meshed with the first gear 802 is fixedly connected in the second moving shell 804, the second rack 805 and the first rack 803 are arranged in a central symmetry manner along the axis of the first gear 802, the right side of the second moving shell 804 is fixedly connected with a balancing weight 806, and the weight 806 is detected by the balancing weight 803 and the weight of the first rack 803 is not equal to the first rack 803, and the detection effect of the weight of the unmanned aerial vehicle 1 is improved, and the overall position of the unmanned aerial vehicle 1 is not detected, and the detection position of the mobile device is further improved, and the weight is detected by the weight of the balancing weight is detected on the whole weight and the weight is 6.
As shown in fig. 2 and 6-8, the blowing mechanism 9 comprises a bellows 901, the bellows 901 is fixedly connected to the upper part of the left side of the first movable shell 6, two cavities are arranged in the bellows 901, a first air outlet communicated with the upper left cavity is arranged at the middle lower part of the left side of the bellows 901, limiting plates 902 are fixedly connected to the front side and the rear side of the bellows 901, the two limiting plates 902 are equidistantly arranged, the limiting plates 902 are provided with first limiting grooves, the rear ends of the first limiting grooves of the limiting plates 902 deflect rightwards, a movable rod 903 is fixedly connected between the right sides of the two limiting plates 902, the bellows 901 is slidably connected with a limiting rod 904, the first limiting grooves of the two limiting plates 902 are in limiting fit with the limiting rod 904, the limiting rod 904 moves leftwards and rightwards through the two limiting plates 902, a wind shield 905 which is slidably connected with the bellows 901 is fixedly connected to the middle part of the limiting rod 904, the wind guard 905 is located the right side cavity of bellows 901, install first check valve 906 in the bellows 901, the second check valve 907, third check valve 908 and fourth check valve 909, the circulation direction of first check valve 906 is from right to left, the circulation direction of second check valve 907 is from the back to the front, the circulation direction of third check valve 908 is from the front to the back, the circulation direction of fourth check valve 909 is from the right to the left, unmanned aerial vehicle 1 is provided with the power pack 10 that is used for making the carriage bar 903 remove, through the repeated back and forth movement of wind guard 905, extrude the air in the cavity of bellows 901 right side, make the air that is extruded be discharged from the first air outlet of bellows 901, and blow and wipe the fan blade, so guarantee the cleanliness factor of detection area, and then improve the detection effect to the fan blade.
As shown in fig. 6, the power assembly 10 includes two gear rings 1001 arranged in a front-rear mirror mode, the two gear rings 1001 are fixedly connected to the unmanned aerial vehicle 1, the rotating shaft 4 is fixedly connected with two fixing plates 1002 arranged in a front-rear mirror mode, opposite sides of the two fixing plates 1002 are rotatably connected with second gears 1003, a connecting rod 1004 is fixedly connected between the two second gears 1003, the connecting rod 1004 is located at an eccentric position of the two second gears 1003, a moving frame 1005 is slidingly connected to a left portion outside the rotating shell 5, a connecting rod 1006 is hinged between the moving frame 1005 and the connecting rod 1004, an electric push rod 1007 electrically connected with the control module 2 is mounted on an upper portion of the left side of the moving frame 1005, and a telescopic end of the electric push rod 1007 is fixedly connected with the moving rod 903.
When the device is required to detect the defects of the fan blades, a worker moves the device to the area of the fan to be detected, then the worker transmits the data of the movement of the fan blades to the control module 2, so as to plan the flight track of the unmanned aerial vehicle 1 (the track is an 'Azithrone line' which takes the centers of three blades of the fan as the center, so that the unmanned aerial vehicle 1 detects the running fan blades), after the preparation work is finished, the worker applies a signal to the control module 2 through a remote controller, then the control module 2 starts the unmanned aerial vehicle 1 (for convenience of explanation, the worker starts or closes … … operation through the control module 2), the unmanned aerial vehicle 1 starts to move upwards, the unmanned aerial vehicle 1 drives parts on the unmanned aerial vehicle 1 to move upwards together, after the unmanned aerial vehicle 1 moves to the target area, the unmanned aerial vehicle 1 enters a hovering state, when a fan blade rotates to be vertical and is not overlapped with a fan tower, the unmanned aerial vehicle 1 starts to move along a set track, at the moment, a detection module 7 faces to the right, a worker starts a first driving motor 3 through a control module 2, an output shaft of the first driving motor 3 starts to rotate anticlockwise, an output shaft of the first driving motor 3 drives a rotating shaft 4 to rotate anticlockwise together, the rotating shaft 4 drives a rotating shell 5 to rotate anticlockwise together, the rotating shell 5 drives a first movable shell 6 to rotate anticlockwise together, the first movable shell 6 drives the detection module 7 to rotate anticlockwise together, so that the detection module 7 always keeps a state of facing the fan blade vertically, the detection module 7 and the fan blade are prevented from deflecting relatively to influence detection quality in a detection process, and the quality of an obtained image is improved, consistency of data and accuracy of lesion recognition.
After the unmanned aerial vehicle 1 enters a hovering state, a worker starts a second driving motor 801 through a control module 2, an output shaft of the second driving motor 801 starts to rotate anticlockwise, an output shaft of the second driving motor 801 drives a first gear 802 to rotate anticlockwise together, the first gear 802 drives a first rack 803 to move leftwards, the first gear 802 drives a second rack 805 to move rightwards, the first rack 803 drives a first movable shell 6 to move leftwards together, the first movable shell 6 drives a detection module 7 to move leftwards together until the detection module 7 moves leftwards to an area (the distance between the detection module 7 and the fan blade is determined according to the actual situation and is not a fixed distance), the worker closes the second driving motor 801 through the control module 2, the distance between the detection module 7 and the fan blade to be detected is reduced on the premise that the unmanned aerial vehicle 1 is kept at a safe distance with the fan blade, the image collected during detection is clearer and more accurate, the detection precision is improved, the condition of missing detection or false detection is reduced, meanwhile, the risk of collision between the unmanned aerial vehicle 1 and the fan blade is reduced, and the protection of the unmanned aerial vehicle 1 is enhanced.
In the process of rightward movement of the second rack 805, the second rack 805 drives the second movable housing 804 to move rightward together, and the second movable housing 804 drives the balancing weight 806 to move rightward together, so that the distances between the detection module 7 and the balancing weight 806 and the first gear 802 are always consistent, and the stability of the overall gravity center of the unmanned aerial vehicle 1 is maintained in the process of detecting the fan blade, the stability in the detection process is improved, and the detection effect of the fan blade is further improved.
In the process of moving the first moving shell 6 leftwards, the first moving shell 6 drives the bellows 901 to move leftwards together, the bellows 901 drives the parts on the bellows 901 to move leftwards together, the two limiting plates 902 drive the moving rod 903 to move leftwards together, in the process of moving the first moving shell 6 leftwards, a worker starts the electric push rod 1007 through the control module 2, the telescopic end of the electric push rod 1007 starts to move leftwards, the speed of moving the telescopic end of the electric push rod 1007 leftwards is equal to the speed of moving the moving rod 903 leftwards, and after the to-be-detected module 7 moves leftwards to a target area, the worker closes the electric push rod 1007 through the control module 2.
In the process of rotating the rotating shaft 4 anticlockwise, the rotating shaft 4 drives the two fixing plates 1002 to rotate anticlockwise together, the fixing plates 1002 drive the adjacent second gears 1003 to move together, the second gears 1003 start to roll anticlockwise along the adjacent gear rings 1001, the two second gears 1003 drive the connecting rod 1004 between the two gears to rotate clockwise together, the connecting rod 1004 starts to press the connecting rod 1006 leftwards, the connecting rod 1006 presses the moving frame 1005 leftwards, the moving frame 1005 starts to slide leftwards along the rotating shell 5, the connecting rod 1006 rotates relative to the connecting rod 1004 and the moving frame 1005 respectively, the moving frame 1005 drives the electric push rod 1007 to move leftwards together, the electric push rod 1007 drives the moving rod 903 to move leftwards together, the moving rod 903 and the two limiting plates 902 move leftwards together, the first limiting grooves on the two limiting plates 902 both press the limiting rods 904 backwards, the limiting rods 904 start to slide backwards along the bellows 901, the limit rod 904 drives the wind shield 905 to move backwards together, the wind shield 905 starts to extrude air in the right cavity of the wind box 901 and is positioned behind the wind shield 905, and external air is sucked into the area in front of the wind shield 905 in the right cavity of the wind box 901 through the third one-way valve 908, the extruded air enters the left cavity of the wind box 901 through the first one-way valve 906, then the air is discharged from the first air outlet of the wind box 901, the discharged air of the first air outlet of the wind box 901 is utilized to blow the fan blades in the nearby area, dust on the fan blades is blown off, so that the cleanliness of a detection area is ensured, the detection effect on the fan blades is improved, the wind shield 905 repeatedly extrudes the air in the right cavity of the wind box 901 along with the continuous rotation of the two second gears 1003, the fan blades in the detection area are continuously blown, thereby improving the cleaning effect on the fan blade.
After one of the blades in the fan is detected, a worker moves to a hovering area through the control module 2, the worker turns over the first driving motor 3 through the control module 2, the output shaft of the first driving motor 3 starts to rotate clockwise, the output shaft of the first driving motor 3 drives the rotating shaft 4 to rotate clockwise together, the rotating shaft 4 drives the rotating shell 5 and parts thereon to rotate clockwise, the second gear 1003 starts to roll along the adjacent gear ring 1001, the two second gears 1003 drive the connecting rod 1004 between the two to rotate anticlockwise, the connecting rod 1004 starts to pull the connecting rod 1006 rightwards, the connecting rod 1006 pulls the moving frame 1005 rightwards, the moving frame 1005 starts to slide rightwards along the rotating shell 5, the connecting rod 1006 rotates relatively with the connecting rod 1004 and the moving frame 1005, the moving frame 1005 drives the electric push rod 1007 to move rightwards together, the electric push rod 1007 drives the moving rod 903 to move rightwards together, the moving rod 903 drives the two limiting plates 902 to move rightwards together, the first limiting grooves on the two limiting plates 902 are all used for extruding the limiting rod 904 forwards, the limiting rod 904 starts to slide forwards along the bellows 901, the limiting rod 904 drives the wind shield 905 to move forwards together, the wind shield 905 starts to extrude air in the right cavity of the bellows 901 and is positioned in front of the wind shield 905, the outside air is sucked into the area behind the wind shield 905 in the right cavity of the bellows 901 through the second one-way valve 907, the extruded air enters the left cavity of the bellows 901 through the fourth one-way valve 909, then the air is discharged from the first air outlet of the bellows 901, after the rotating shaft 4 and parts on the rotating shaft are reset, the staff control module 2 controls the unmanned aerial vehicle 1 to detect the rest blades of the fan until the detection of all blades of the fan is completed, then the staff controls the unmanned aerial vehicle 1 to move to the initial position through the control module 2.
Example 2: on the basis of embodiment 1, as shown in fig. 9-12, the cleaning mechanism 11 for cleaning the detection module 7 is further included, the cleaning mechanism 11 is disposed on the first movable shell 6, the cleaning mechanism 11 includes a fixed block 1101, the fixed block 1101 is fixedly connected to the left portion of the lower side of the first movable shell 6, the fixed block 1101 is slidably connected with a rotating rod 1102, the rotating rod 1102 is provided with a second limit groove, the second limit groove is a spiral groove, the upper side of the rotating rod 1102 is fixedly connected with a plurality of cloth strips 1103 in an annular array, the cloth strips 1103 are used for cleaning the detection module 7, the fixed block 1101 is fixedly connected with a limiting block 1104 in limiting fit with the second limit groove of the rotating rod 1102, the limiting block 1104 limits the second limit groove of the rotating rod 1102, the rotating rod 1102 moves up and down in the rotating process, the cleaning area of the cloth strips 1103 to the detection module 7 is further increased, the moving frame 1103 is provided with a transmission component 12 for enabling the rotating cloth strips 1102 to move, dust on the detection module 7 is prevented from being cleaned, the dust on the detection module 7 is prevented from blocking the detection position, and the fan is prevented from blocking the detection position, and the effect of the fan is improved.
As shown in fig. 9-12, the transmission assembly 12 includes a moving plate 1201, the moving plate 1201 is fixedly connected to the middle of the lower side of the moving frame 1005, an electric push rod 1007 is also disposed on the rear side of the moving plate 1201, the electric push rod 1007 is also electrically connected to the control module 2, a first electromagnet 1202 electrically connected to the control module 2 is fixedly connected to a telescopic end of the electric push rod 1007, a third rack 1203 matched with the first electromagnet 1202 is slidingly connected to the rear portion of the lower side of the fixed block 1101, the third rack 1203 is made of iron, a third gear 1204 spline-connected to the rotating rod 1102 is rotatably connected to the left portion of the lower side of the fixed block 1101, the third gear 1204 is meshed with the third rack 1203, and the wind box 901 is provided with a wind direction assembly 13 for changing the wind outlet direction.
As shown in fig. 8, the wind direction component 13 includes an opening and closing plate 1301, the opening and closing plate 1301 is rotatably connected to the lower side of the first air outlet of the air box 901, the opening and closing plate 1301 is made of iron, the left part of the lower side of the air box 901 is provided with a second air outlet, the second air outlet of the air box 901 is communicated with a cavity on the upper left side of the second air outlet, a second electromagnet 1302 electrically connected with the control module 2 is installed on the upper side of the first air outlet of the air box 901, the second electromagnet 1302 is matched with the opening and closing plate 1301, whether the opening and closing plate 1301 is adsorbed by the second electromagnet 1302 or not is changed, so that the opening and closing states of the first air outlet and the second air outlet of the air box 901 are changed, the air blowing range is increased, and the cleaning effect is further improved.
In the process of rotating the rotating shaft 4 anticlockwise, the moving plate 1201 moves along with the moving frame 1005, the moving plate 1201 drives the electric push rods 1007 at the lower side to move along with the moving frame 1005, the first electromagnet 1202 is not started, in the process of rotating the rotating shaft 4 clockwise, the first electromagnet 1202 and the second electromagnet 1302 are started by a worker through the control module 2, the first electromagnet 1202 starts to attract the third rack 1203, the first electromagnet 1202 and the third rack 1203 are fixedly connected at the moment, then in the process of moving the moving frame 1005 to the right, the moving frame 1005 drives the moving plate 1201 to move along with the moving plate 1201 to the right, the adjacent electric push rods 1007 move along with the right, the electric push rods 1007 at the lower side drive the first electromagnet 1202 to move along with the right, the first electromagnet 1202 drives the third rack 1203 to move rightwards together, the third rack 1203 drives the third gear 1204 to start rotating, the third gear 1204 drives the rotating rod 1102 to rotate together, the rotating rod 1102 drives a plurality of cloth strips 1103 on the rotating rod 1102 to rotate together, the cloth strips 1103 start to deflect outwards under the action of centrifugal force, the rotating rod 1102 extrudes the rotating rod 1102 upwards in the rotating process, the rotating rod 1102 also moves upwards while rotating, the rotating rod 1102 drives the plurality of cloth strips 1103 to move upwards together, when the plurality of rotating cloth strips 1103 move upwards to be in contact with the detection module 7, the rotating cloth strips 1103 clean dust on the detection module 7, dust on the detection module 7 is prevented from shielding the detection position, and therefore the detection effect on fan blades is improved.
When the first electromagnet 1202 attracts the third rack 1203, the second electromagnet 1302 attracts the opening plate 1301, the opening plate 1301 starts to deflect upwards until the opening plate 1301 deflects to open the second air outlet of the bellows 901 after the first air outlet of the bellows 901 is blocked, then air in the bellows 901 starts to be discharged from the second air outlet on the opening plate, the discharged air blows to the detection module 7, dust on the detection module 7 is further cleaned, the cleaning effect of the detection module 7 is further improved, meanwhile, the air discharged from the second air outlet of the bellows 901 blows off the dust adhered to the cloth 1103, the cleaning degree of the cloth 1103 is kept, the moving frame 1005 repeatedly moves left and right along with the continuous clockwise rotation of the rotating shaft 4, the rotating rod 1005 and the cloth 1103 thereon repeatedly move up and down, and the detection module 7 is cleaned for a plurality of times until the rotating shaft 4 stops rotating.
The above embodiments are only for illustrating the present invention, and are not limiting of the present invention. While the invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, and substitutions can be made thereto without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a fan blade defect detection device based on unmanned aerial vehicle, its characterized in that, including unmanned aerial vehicle (1), control module (2) are installed to unmanned aerial vehicle (1), control module (2) with remote control terminal with all electric connections of unmanned aerial vehicle (1), first driving motor (3) are installed to unmanned aerial vehicle (1), first driving motor (3) with control module (2) electric connection, the output shaft fixedly connected with pivot (4) of first driving motor (3), pivot (4) with unmanned aerial vehicle (1) rotate to be connected, pivot (4) fixedly connected with rotary shell (5), rotary shell (5) sliding connection has first movable shell (6), one side that first movable shell (6) kept away from pivot (4) is installed detection module (7), detection module (7) with control module (2) electric connection, detection module (7) are used for carrying out defect detection to fan blade, be provided with in rotary shell (5) and be used for changing between detection module (7) and fan (8) are used for carrying out telescopic link mechanism (9) to fan blade and are provided with in rotary shell (5) and are used for carrying out telescopic link mechanism (9); the utility model provides a blowing mechanism (9) including bellows (901), bellows (901) fixed connection in first removal shell (6) keep away from one side of pivot (4), one side of bellows (901) is provided with first air outlet, limiting plate (902) that bellows (901) fixedly connected with equidistance was arranged, limiting plate (902) are provided with first spacing groove, equidistant arrangement between limiting plate (902) fixedly connected with movable rod (903), bellows (901) sliding connection has gag lever post (904), equidistant arrangement first spacing groove of limiting plate (902) all with gag lever post (904) cooperation, the middle part fixedly connected with of gag lever post (904) is provided with limiting plate (905), bellows (901) sliding connection, install first check valve (906), second check valve (907), third check valve (908) and fourth check valve (909) in bellows (901), machine (1) are provided with and are used for making power pack (10) of movable rod (903). The first limit grooves of the limit plates (902) which are arranged in a mirror image mode are arranged in a central symmetry mode; the power assembly (10) comprises a gear ring (1001) which is arranged in a mirror mode, the gear ring (1001) which is arranged in a mirror mode is fixedly connected to the unmanned aerial vehicle (1), a fixing plate (1002) which is arranged in a mirror mode is fixedly connected to a rotating shaft (4), a second gear (1003) is rotatably connected to the opposite side of the fixing plate (1002) which is arranged in a mirror mode, a connecting rod (1004) is fixedly connected between the second gears (1003) which are arranged in a mirror mode, the connecting rod (1004) is located at the eccentric position of the second gear (1003) which is arranged in a mirror mode, a moving frame (1005) is connected to the outer side of the rotating shell (5) in a sliding mode, a connecting rod (1006) is hinged to the connecting rod (1004), an electric push rod (1007) is installed on one side, close to the moving frame (1005), of the electric push rod (1007) is electrically connected to the control module (2), and the telescopic end of the electric push rod (1007) is fixedly connected to the moving rod (903).
2. The fan blade defect detection device based on the unmanned aerial vehicle according to claim 1, wherein the telescopic mechanism (8) comprises a second driving motor (801), the second driving motor (801) is installed in the rotary shell (5), the second driving motor (801) is electrically connected with the control module (2), an output shaft of the second driving motor (801) is fixedly connected with a first gear (802), a first rack (803) is fixedly connected in the first movable shell (6), and the first rack (803) is meshed with the first gear (802).
3. The fan blade defect detection device based on the unmanned aerial vehicle according to claim 2, wherein a second movable shell (804) is connected in the rotary shell (5) in a sliding manner, the second movable shell (804) is arranged in a central symmetry manner with the first movable shell (6), a second rack (805) is fixedly connected in the second movable shell (804), the second rack (805) is meshed with the first gear (802), the second rack (805) and the first rack (803) are arranged in a central symmetry manner along the axis of the first gear (802), and a balancing weight (806) is fixedly connected to one side of the second movable shell (804) away from the first gear (802).
4. A fan blade defect detection device based on unmanned aerial vehicle according to claim 3, wherein the weight of the balancing weight (806) is equal to the weight of all the parts on the first mobile casing (6).
5. The fan blade defect detection device based on the unmanned aerial vehicle according to claim 1, further comprising a cleaning mechanism (11) for cleaning the detection module (7), wherein the cleaning mechanism (11) is arranged on the first movable shell (6), the cleaning mechanism (11) comprises a fixed block (1101), the fixed block (1101) is fixedly connected to one side of the first movable shell (6) close to the detection module (7), the fixed block (1101) is slidably connected with a rotating rod (1102), the rotating rod (1102) is provided with a second limiting groove, a cloth strip (1103) is fixedly connected to one side of the rotating rod (1102) close to the detection module (7), the fixed block (1101) is fixedly connected with a limiting block (1104), the limiting block (1104) is matched with a second limiting groove of the rotating rod (1102), and the movable frame (1005) is provided with a transmission assembly (12) for enabling the rotating rod (1102) to move.
6. The unmanned aerial vehicle-based fan blade defect detection device according to claim 5, wherein the transmission assembly (12) comprises a moving plate (1201), the moving plate (1201) is fixedly connected to one side of the moving frame (1005), another electric push rod electrically connected with the control module (2) is also arranged on one side of the moving plate (1201), a first electromagnet (1202) is fixedly connected to a telescopic end of the other electric push rod, the first electromagnet (1202) is electrically connected with the control module (2), a third rack (1203) is slidingly connected to one side, far away from the first moving shell (6), of the fixed block (1101), the third rack (1203) is magnetic substance, the third rack (1203) is matched with the first electromagnet (1202), a third gear (1204) meshed with the third rack (1203) is rotatably connected to one side, far away from the first moving shell (6), of the third gear (1204) is rotatably connected with the wind box (901), and the wind outlet direction of the wind box (1102) is changed by a spline (1102) for changing the wind outlet direction of the wind outlet assembly (13).
7. The unmanned aerial vehicle-based fan blade defect detection device according to claim 6, wherein the wind direction component (13) comprises an opening plate (1301), the opening plate (1301) is rotatably connected to a first air outlet of the air box (901), the opening plate (1301) is a magnetic substance, a second air outlet is formed in one side, close to the rotating rod (1102), of the air box (901), a second electromagnet (1302) is mounted on one side, far away from the opening plate (1301), of the first air outlet of the air box (901), the second electromagnet (1302) is electrically connected with the control module (2), and the second electromagnet (1302) is matched with the opening plate (1301).
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