CN115977894B - High-toughness fan blade locking device for wind power generation - Google Patents
High-toughness fan blade locking device for wind power generation Download PDFInfo
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- CN115977894B CN115977894B CN202310050738.8A CN202310050738A CN115977894B CN 115977894 B CN115977894 B CN 115977894B CN 202310050738 A CN202310050738 A CN 202310050738A CN 115977894 B CN115977894 B CN 115977894B
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- 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
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Abstract
The utility model discloses a high-toughness fan blade locking device for wind power generation, which comprises a connecting shaft block, a pairing block, a locking groove and a locking block, wherein a hoisting assembly is arranged on the inner wall of the locking block, a first spring is arranged on the inner wall of the locking block, two groups of air cylinders are arranged on the inner wall of a moving block, a locking camera is arranged on the outer wall of the locking block, and a clamping block is arranged on the outer wall of the connecting plate. According to the utility model, the clamping blocks, the air cylinders and the winding components are arranged, when the fan blade is locked, the installation components of the fan blade are embedded into the locking grooves, an installer can check the positions of the locking blocks and the installation components of the fan blade according to the locking camera, the air cylinders drive the connecting plates to move, the clamping blocks are movably embedded into the fan blade components, then the winding components wind the connecting ropes, the connecting ropes pull the moving blocks to move, the moving blocks move and pull the clamping blocks to move, and the installation components of the fan blade are pulled by the clamping blocks to be locked in the locking grooves, so that the fan blade is simpler and more convenient to install, and the installation difficulty is reduced.
Description
Technical Field
The utility model relates to the technical field of blade locking, in particular to a blade locking device for high-toughness wind power generation.
Background
Wind power generation is to convert kinetic energy of wind into electric energy, the wind is pollution-free energy, the wind is environment-friendly by using the wind power generation, and the generated electric energy is huge, so that more and more countries pay more attention to the wind power generation, the fan blades for seat wind power generation are generally made of high-toughness materials, so that the fan blades are not easy to break when rotating, and the fan blade locking device is a device for locking the fan blades on a connecting shaft.
The existing fan blade locking device has the following defects:
1. patent document CN102226445a discloses a fan impeller locking device, "which includes a locking pin, a locking hole, an optical triggering unit, and a control unit provided on a stator main shaft and a rotation shaft, respectively. Wherein the optical triggering unit is used for sending a triggering signal to the control unit when the locking pin is aligned with the locking hole or is about to be aligned; the control unit is used for driving the locking pin to execute corresponding locking action according to the trigger signal. The utility model further provides a wind generating set provided with the fan impeller locking device. The fan impeller locking device and the wind generating set provided by the utility model can realize automatic, efficient and accurate locking operation of the fan impeller, and simultaneously can effectively avoid the locking problem between the locking pin and the locking hole, but the pairing and locking of the existing fan blades are troublesome when the existing fan blades are locked, and a large amount of time is needed when the existing fan blades are locked;
2. patent document CN216407046U discloses an impeller locking device of a wind generating set, "specifically comprising a protecting shell, wherein one side of the protecting shell is clamped with a rear cover, the other side of the protecting shell is clamped with a front cover, the inner side wall of the protecting shell is fixedly provided with a first bearing part, the inner cambered surface of the first bearing part is fixedly provided with a blocking part, and the middle part of the surface of one side of the rear cover is provided with a first clamping hole. Through the arrangement of the decelerating magnetic wheel, the electric push rod, the magnetic attraction piece, the first clamping hole and the blocking piece on the protecting shell, a worker can more conveniently and easily maintain the protecting shell, the impeller rod is subjected to magnetic resistance through the cooperation between the magnetic attraction piece and the decelerating magnetic wheel, the rotating speed of the impeller rod is effectively reduced, the impeller is further gradually stopped to rotate, the energy loss is effectively reduced, meanwhile, the impeller rod can be rapidly limited in the process of stopping rotating the impeller, the work safety of the worker during maintenance is greatly ensured, but the existing fan blades are easy to be inconsistent when locked, and the locking is not firm enough;
3. patent document CN212717012U discloses a blade locking device of a wind generating set, "comprising a base, a guide sleeve, a guide shaft, a positioning rod, a positioning block, a locking shaft and a fixing bolt; the locking device is characterized in that locking holes for fixing bolts to screw in are formed in the central line of the base, two guide sleeves are welded on the base symmetrically and parallelly by taking the central line of the base as a symmetrical line, a guide shaft is sleeved in each guide sleeve, the tops of the two guide shafts are connected through a positioning rod, a positioning block is welded at the top of the positioning rod, the side face of the positioning block, facing the base, of the positioning block is contacted with the base, a through hole for the fixing bolts to penetrate in is formed in the surface of the positioning block, the bottoms of the two guide shafts are connected through a connecting block, one end of each locking shaft is vertically connected with the connecting block, and the other end of each locking shaft extends outwards. The fan blade has a simple structure and is convenient to operate, the working efficiency of personnel can be effectively improved, the safety of a unit and the personnel is improved, the shutdown cost in the maintenance process is reduced, and the generated energy loss is reduced;
4. patent document CN206770128U discloses a blade locking device of a wind generating set, which comprises a blade, a blade locking pin, a locking nut and a locking groove, wherein the blade is installed on a moving ring of a pitch bearing through a blade root stud and a blade root nut, a stationary ring of the pitch bearing is fixed on a hub, the locking groove is arranged on the hub or a hub fixed connecting piece, a pin head is arranged on one side of the locking pin at the locking groove, the pin head is positioned in the locking groove, and the locking pin is fastened on the blade root stud through the locking nut. The beneficial effects are as follows: the locking device has the advantages that the structure is simple, the weight is light, the locking groove on the hub is easy to process, and the locking nut adopts a standard component, so that the cost of the locking device is low; the problem of difficult installation caused by blade pitch variation deviation can be solved; the utility model has wide application range, not only can be used on a hydraulic pitch-controlled unit, but also can be used on other pitch-controlled units such as an electric motor, but the existing fan blade has no looseness detection structure, so that the fan blade has potential safety hazard when looseness occurs.
Disclosure of Invention
The utility model aims to provide a high-toughness fan blade locking device for wind power generation, which aims to solve the technical problems that when a fan blade is locked, the matching and locking of the fan blade are troublesome, and when the fan blade is locked, a great deal of time is required to be consumed.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the fan blade part locking device for high-toughness wind power generation comprises a connecting shaft block, a pairing block, a locking groove and a locking block, wherein a winch assembly is arranged on the inner wall of the locking block;
a first spring is arranged on the inner wall of the locking block, a moving block is arranged at the end part of the first spring, a connecting rope is arranged on the outer wall of the moving block, one end of the connecting rope is connected with a reel of the hoisting assembly, two groups of air cylinders are arranged on the inner wall of the moving block, a locking camera is arranged on the outer wall of the locking block, a connecting plate is arranged at the output end of the air cylinder, and a clamping block is arranged on the outer wall of the connecting plate;
the inner wall of the clamping block is provided with a sliding rod.
Preferably, the slide plate is installed to the outer wall of slide bar, and the laminating piece is installed to the outer wall of slide plate, and the double-threaded rod is installed to the inner wall of fixture block, and the drive tooth is installed to the outer wall of double-threaded rod.
Preferably, the first motor is installed to the inner wall of fixture block, and the connecting tooth is installed to the output of first motor, and the outer wall of connecting tooth is connected with the outer wall of drive tooth.
Preferably, the outer wall of the connecting shaft block is provided with a matching block, and the inside of the connecting shaft block is provided with a locking groove.
Preferably, the inside of connecting axle piece has seted up the cell body, and No. two motors are installed to the inside roof of cell body, and the screw rod is installed to the output of No. two motors, and the drive plate is installed to the outer wall of screw rod.
Preferably, the piston is installed to the bottom of drive plate, and the bracing piece is installed at the top of piston, and the top of bracing piece is connected with the inside roof of cell body, the gasbag is installed to the tip of mating piece is embedded, and the trachea is installed to the outer wall of gasbag, and tracheal one end extends into the inside of cell body.
Preferably, a transmission groove is formed in the connecting shaft block, a third motor is installed on the inner wall of the transmission groove, a screw rod is installed at the output end of the third motor, an inner thread block is installed on the outer wall of the screw rod, and a connecting plate is installed at the top of the inner thread block.
Preferably, the telescopic link is installed to the outer wall of linking the board, and detection piece is installed to the one end of telescopic link, and control module is installed to the inner wall of detection piece, and information transmission module is installed to the inner wall of detection piece, and pressure sensor is embedded to be installed to the outer wall of detection piece, and elastic component is installed to pressure sensor's outer wall, and the pick-up plate is installed to elastic component's one end, and No. two springs are installed to the inner wall of locking groove, and the touch panel is installed to No. two spring's one end.
Preferably, the working steps of the fan blade locking device are as follows:
s1, when in locking, an installation part of a fan blade is embedded into a locking groove, an installer can check the positions of a locking block and the fan blade installation part according to a locking camera, so that a fan blade assembly is easier to mate with the locking block, then a cylinder drives a connecting plate to move, the connecting plate moves to drive a clamping block to move, the clamping block is moved to be embedded into the fan blade assembly, the clamping block is smaller than the installation groove of the fan blade assembly, so that the clamping block is easier to be embedded into the fan blade installation part, then a winding assembly winds a connecting rope, the connecting rope pulls a moving block to move, the moving block moves to pull the clamping block to move, and the clamping block pulls the installation part of the fan blade to be locked in the locking groove, so that the installation of the fan blade is simpler and more convenient, and the installation difficulty is reduced;
s2, after a clamping block of the double-threaded rod is embedded into a mounting part of the fan blade, the first motor rotates to drive the connecting teeth to rotate, the connecting teeth rotate to drive the transmission teeth to rotate, the transmission teeth rotate to drive the double-threaded rod to rotate, and the double-threaded rod rotates to drive the two groups of attaching blocks to synchronously move, so that the attaching blocks are completely attached to the mounting groove of the fan blade mounting part, the fan blade is easier to mount, and the fan blade is more consistent and firm after the fan blade is mounted;
s3, after the fan blades are connected, the second motor rotates to drive the screw to rotate, the screw rotates to drive the transmission plate to move, the transmission plate moves to drive the piston to move, the piston moves to charge gas in the tank body into the air bag through the air pipe, the air bag bulges to be connected with the end parts of the fan blades, so that the connecting parts of the fan blades are seamless, water vapor is difficult to enter the locking device, internal instruments are difficult to rust, and the service life of the internal instruments is prolonged;
s4, when the fan blade is connected, the touch plate is touched, the second spring can press and store force at the moment, then the third motor rotates to drive the screw rod to rotate, the screw rod rotates to drive the internal thread block to move, the internal thread block moves to drive the telescopic rod to move, the detection block is positioned on one side of the touch plate, the detection plate is slightly attached to the touch plate, the pressure sensor is slightly stressed, when the fan blade is connected to generate looseness, the second spring enables the touch plate to shake repeatedly when the fan blade rotates, the pressure coefficient of the pressure sensor changes repeatedly, the control module uploads abnormal data to the terminal through the information transmission module, maintenance personnel can conveniently detect the abnormality, and the phenomenon that the fan blade loosens more and falls is avoided.
Preferably, in the step S1, the method further includes the following steps:
s11, the moving block is rectangular, and the clamping block penetrates through the outer wall of the locking block and has a limiting effect on the movement of the moving block;
in the step S4, the method further includes the following steps:
s41, the elastic component of the pressure sensor enables the detection plate to have a certain movement space, so that the touch plate can be attached to the detection plate all the time under the loose condition.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the clamping blocks, the air cylinders and the winding components are arranged, when the fan blade is locked, the installation components of the fan blade are embedded into the locking grooves, an installer can check the positions of the locking blocks and the fan blade installation components according to the locking camera, so that the fan blade components are easier to mate with the locking blocks, then the air cylinders drive the connecting plates to move, the connecting plates move to drive the clamping blocks to move, the clamping blocks move to be embedded into the fan blade components, the clamping blocks are smaller than the installation grooves of the fan blade components, so that the clamping blocks are easier to be embedded into the fan blade installation components, then the winding components wind the connecting ropes, the connecting ropes pull the moving blocks to move, the moving blocks move to pull the clamping blocks to move, and the installation components of the fan blade are pulled by the clamping blocks to be locked in the locking grooves, so that the fan blade is simpler and more convenient to install, and the installation difficulty is reduced;
2. according to the utility model, after the fixture block is embedded into the installation part of the fan blade, the first motor rotates to drive the connecting teeth to rotate, the connecting teeth rotate to drive the driving teeth to rotate, the driving teeth rotate to drive the double-threaded rod to rotate, and the double-threaded rod rotates to drive the two groups of the lamination blocks to synchronously move, so that the lamination blocks are completely laminated with the installation grooves of the fan blade installation part, the fan blade is easier to install, and more consistent and firm after the installation is finished;
3. according to the utility model, after the fan blades are connected, the second motor rotates to drive the screw rod to rotate, the screw rod rotates to drive the transmission plate to move, the transmission plate moves to drive the piston to move, the piston moves to charge gas in the tank body into the air bag through the air pipe, the air bag bulges to be connected with the end parts of the fan blades, so that the connecting part of the fan blades is seamless, water vapor is difficult to enter the locking device, internal instruments are difficult to rust, and the service life of the internal instruments is prolonged;
4. according to the utility model, the touch plate, the detection plate and the pressure sensor are arranged, when the fan blades are connected, the touch plate is touched, the second spring can press and store force at the moment, then the third motor rotates to drive the screw rod to rotate, the screw rod rotates to drive the internal thread block to move, the internal thread block moves to drive the telescopic rod to move, the detection block is positioned on one side of the touch plate, the detection plate is slightly attached to the touch plate, the pressure sensor is slightly stressed by certain pressure, when the fan blades are connected to generate looseness, the second spring enables the touch plate to shake repeatedly when the fan blades rotate, so that the pressure coefficient of the pressure sensor changes repeatedly, and the control module uploads abnormal data to the terminal through the information transmission module, so that maintenance personnel can conveniently detect the abnormality, and the phenomenon that the fan blades are loosened more and fall is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the front structure of the present utility model;
FIG. 3 is a schematic diagram of a locking slot structure of the present utility model;
FIG. 4 is a schematic diagram of a latch according to the present utility model;
FIG. 5 is a schematic view of structure A of the present utility model;
FIG. 6 is a schematic diagram of a tank structure according to the present utility model;
FIG. 7 is a schematic diagram of a driving slot structure of the present utility model;
FIG. 8 is a schematic diagram of a detection block according to the present utility model.
In the figure: 1. a connecting shaft block; 2. pairing blocks; 3. a locking groove; 4. a locking block; 5. a hoisting assembly; 6. a first spring; 7. a moving block; 8. a connecting rope; 9. a cylinder; 10. locking the camera; 11. a connecting plate; 12. a clamping block; 13. a slide bar; 14. a slide plate; 15. a bonding block; 16. a double threaded rod; 17. a drive tooth; 18. a motor I; 19. a connecting tooth; 20. a tank body; 21. a motor II; 22. a screw; 23. a drive plate; 24. a piston; 25. a support rod; 26. an air bag; 27. an air pipe; 28. a transmission groove; 29. a motor II; 30. a screw rod; 31. an internal thread block; 32. a connecting plate; 33. a telescopic rod; 34. a detection block; 35. a control module; 36. an information transmission module; 37. a pressure sensor; 38. an elastic component; 39. a detection plate; 40. a second spring; 41. a touch panel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-8, an embodiment of the present utility model is provided: the utility model provides a high toughness fan blade portion locking device for wind power generation, includes connecting axle piece 1, pairs piece 2, locking groove 3 and locking piece 4, pair piece 2 is installed to the outer wall of connecting axle piece 1, and locking groove 3 has been seted up to the inside of connecting axle piece 1, and its pair piece 2 pairs with the connecting part of fan blade, and it embeds the inside of locking groove 3 with the connecting part of fan blade.
The inner wall of locking piece 4 is installed hoist assembly 5, spring 6 is installed to the inner wall of locking piece 4, movable block 7 is installed to the tip of spring 6, connecting rope 8 is installed to the outer wall of movable block 7, and the one end of connecting rope 8 is connected with hoist assembly 5's reel, two sets of cylinders 9 are installed to the inner wall of movable block 7, locking camera 10 is installed to the outer wall of locking piece 4, connecting plate 11 is installed to the output of cylinder 9, fixture block 12 is installed to the outer wall of connecting plate 11, and when locking, embedding the installation component of fan blade in locking groove 3, its installer can look over the position of locking piece 4 and fan blade installation component according to locking camera 10 for the fan blade subassembly is paired easily with locking piece 4, and then cylinder 9 drives connecting plate 11 and removes and drive fixture block 12 and remove, and the fixture block 12 removes and imbeds in the fan blade subassembly, and fixture block 12 is less than the mounting groove of fan blade subassembly more, makes fixture block 12 more easily imbeds in the installation component, and then hoist assembly 5 twines connecting rope 8, and connecting rope 8 pulls the installation component 7, and the removal block 7 is moved in the locking groove 3, and the installation component has reduced the locking difficulty.
The inner wall of fixture block 12 is installed slide bar 13, slide plate 14 is installed to the outer wall of slide bar 13, and laminating piece 15 is installed to the outer wall of slide plate 14, and double-threaded rod 16 is installed to the inner wall of fixture block 12, and transmission tooth 17 is installed to the outer wall of double-threaded rod 16, motor 18 is installed to the inner wall of fixture block 12, and connecting tooth 19 is installed to the output of motor 18, and the outer wall of connecting tooth 19 and the outer wall connection of transmission tooth 17, and behind the installation component of its fixture block 12 embedding fan blade, motor 18 rotation drive connecting tooth 19 rotation, and connecting tooth 19 rotation drives transmission tooth 17 rotation, and transmission tooth 17 rotation drives double-threaded rod 16 rotation, and double-threaded rod 16 rotation drives two sets of laminating pieces 15 synchronous motion for laminating piece 15 is laminated completely with the mounting groove of fan blade installation component, makes the fan blade before installation easier, and more coincide firmly after the installation.
The inside of connecting axle piece 1 has seted up cell body 20, and motor No. two 21 is installed to the inside roof of cell body 20, and screw rod 22 is installed to motor No. two 21's output, and drive plate 23 is installed to screw rod 22's outer wall, piston 24 is installed to drive plate 23's bottom, and bracing piece 25 is installed at piston 24's top, and the top of bracing piece 25 is connected with cell body 20's inside roof, the tip of pair piece 2 is embedded installs gasbag 26, and trachea 27 is installed to gasbag 26's outer wall, and the inside of cell body 20 is extended to trachea 27's one end, after the fan blade connection finishes, and motor No. two is rotatory to drive screw rod 22 afterwards, and screw rod 22 is rotatory to drive plate 23 and remove, and drive plate 23 removes and drive piston 24 removes the gas in with cell body 20 and fills in gasbag 26 through trachea 27, and gasbag 26 bulge and fan blade's end connection to make the junction of fan blade seamless, make difficult access to locking device in, make the inside apparatus be difficult for corrosion, thereby improve its inside apparatus's life.
The inside of connecting axle piece 1 has seted up the transmission groove 28, no. three motors 29 are installed to the inner wall of transmission groove 28, no. three motors 29's output installs lead screw 30, and internal thread piece 31 is installed to the outer wall of lead screw 30, and link plate 32 is installed at the top of internal thread piece 31, telescopic link 33 is installed to the outer wall of link plate 32, and detection piece 34 is installed to one end of telescopic link 33, and control module 35 is installed to the inner wall of detection piece 34, and information transmission module 36 is installed to the inner wall of detection piece 34, and the outer wall of detection piece 34 is embedded to be installed pressure sensor 37, and elastic component 38 is installed to pressure sensor 37's outer wall, and detection plate 39 is installed to one end of elastic component 38, and No. two springs 40 are installed to the inner wall of locking groove 3, and No. two springs 40's one end is installed to touch plate 41, and the fan blade when being connected, touches plate 41, and No. two springs 40 make with the pressure hold the power, and then No. three motors 29 rotate and drive lead screw 30 rotate and drive internal thread piece 31 and move, and internal thread piece 31 moves telescopic link plate 33, makes detection piece 34 be located one side of plate 34 and is located the pressure sensor 37 and is received the pressure sensor 37 and is more easily to the pressure sensor 37 and is changed when it is passed through the pressure sensor 37 and is more easily to the pressure sensor 37 and is connected to the pressure sensor, and is changed the error and is more easily and is connected to the pressure sensor, and is difficult to the error and is a little by the pressure sensor when the pressure sensor is connected.
The working steps of the fan blade locking device are as follows:
s1, when in locking, the installation part of the fan blade is embedded into the locking groove 3, an installer can check the positions of the locking block 4 and the fan blade installation part according to the locking camera 10, so that the fan blade assembly is easier to mate with the locking block 4, then the air cylinder 9 drives the connecting plate 11 to move, the connecting plate 11 moves to drive the clamping block 12 to move, the clamping block 12 moves to be embedded into the fan blade assembly, the clamping block 12 is smaller than the installation groove of the fan blade assembly, so that the clamping block 12 is easier to be embedded into the fan blade installation part, then the winding assembly 5 winds the connecting rope 8, the connecting rope 8 pulls the moving block 7 to move, the moving block 7 moves to pull the clamping block 12 to move, and the clamping block 12 pulls the installation part of the fan blade to be locked in the locking groove 3, so that the installation of the fan blade is simpler and more convenient, and the installation difficulty is reduced;
s2, after a clamping block 12 of the fan blade is embedded into a mounting part of the fan blade, a motor 18 rotates to drive a connecting tooth 19 to rotate, the connecting tooth 19 rotates to drive a transmission tooth 17 to rotate, the transmission tooth 17 rotates to drive a double-threaded rod 16 to rotate, and the double-threaded rod 16 rotates to drive two groups of attaching blocks 15 to synchronously move, so that the attaching blocks 15 are completely attached to a mounting groove of the fan blade mounting part, the fan blade is easier to mount, and the fan blade is more anastomotic and firm after the fan blade is mounted;
s3, after the fan blades are connected, the second motor 21 rotates to drive the screw 22 to rotate, the screw 22 rotates to drive the transmission plate 23 to move, the transmission plate 23 moves to drive the piston 24 to move, the piston 24 moves to charge air in the groove body 20 into the air bag 26 through the air pipe 27, the air bag 26 bulges to be connected with the end parts of the fan blades, so that the connection parts of the fan blades are seamless, water vapor is difficult to enter the locking device, internal instruments are difficult to rust, and the service life of the internal instruments is prolonged;
s4, when the fan blade is connected, the touch plate 41 is touched, the second spring 40 is used for pressing and storing force, then the third motor 29 is rotated to drive the screw rod 30 to rotate, the screw rod 30 is rotated to drive the internal thread block 31 to move, the internal thread block 31 is moved to drive the telescopic rod 33 to move, the detection block 34 is positioned on one side of the touch plate 41, the detection plate 39 is slightly attached to the touch plate 41, the pressure sensor 37 is slightly stressed by certain pressure, when the fan blade is connected to loosen, the second spring 40 is used for repeatedly shaking the touch plate 41 when the fan blade rotates, the pressure coefficient of the pressure sensor 37 is repeatedly changed, the control module 35 is used for uploading abnormal data to a terminal through the information transmission module 36, so that maintenance personnel can conveniently detect abnormality, and the fan blade is prevented from loosening more and falling.
In the step S1, the method further includes the following steps:
s11, the moving block 7 is rectangular, and the clamping block 12 penetrates through the outer wall of the locking block 4 and has a limiting effect on the movement of the moving block 7;
in the step S4, the method further includes the following steps:
s41, the elastic component 38 of the pressure sensor 37 of the touch panel 41 enables the detection panel 39 to have a certain movement space, so that the touch panel 41 is always attached to the detection panel 39 under the loose condition.
The working principle is that when in locking, the installation part of the fan blade is embedded into the locking groove 3, an installer can check the positions of the locking block 4 and the fan blade installation part according to the locking camera 10, so that the fan blade assembly is easier to be matched with the locking block 4, then the air cylinder 9 drives the connecting plate 11 to move, the connecting plate 11 moves to drive the clamping block 12 to move, the clamping block 12 moves to be embedded into the fan blade assembly, the clamping block 12 is smaller than the installation groove of the fan blade assembly, so that the clamping block 12 is easier to be embedded into the fan blade installation part, then the winding assembly 5 winds the connecting rope 8, the connecting rope 8 pulls the moving block 7 to move, the moving block 7 pulls the clamping block 12 to move, the clamping block 12 pulls the installation part of the fan blade to be locked in the locking groove 3, the installation of the fan blade is simpler and more convenient, the installation difficulty of the fan blade is reduced, after the clamping block 12 is embedded into the installation part of the fan blade, the first motor 18 rotates to drive the connecting teeth 19 to rotate, the connecting teeth 19 rotate to drive the transmission teeth 17 to rotate, the transmission teeth 17 rotate to drive the double-threaded rod 16 to rotate, the double-threaded rod 16 rotates to drive the two groups of attaching blocks 15 to synchronously move, so that the attaching blocks 15 are completely attached to the mounting grooves of the fan blade mounting parts, the fan blades are easier to attach, the fan blades are more anastomotic and firmer after being mounted, after the fan blades are connected, the second motor 21 rotates to drive the screw 22 to rotate, the screw 22 rotates to drive the transmission plate 23 to move, the transmission plate 23 moves to drive the piston 24 to move, the piston 24 moves to charge the air in the tank body 20 into the air bag 26 through the air pipe 27, the air bag 26 bulges to be connected with the end parts of the fan blades, so that the connecting parts of the fan blades are seamless, water vapor is difficult to enter the locking device, internal devices are difficult to rust, the service lives of the internal devices are prolonged, and the fan blades are connected, the touch panel 41 is touched, the second spring 40 can hold the holding force, then the third motor 29 rotates to drive the screw rod 30 to rotate, the screw rod 30 rotates to drive the internal thread block 31 to move, the internal thread block 31 moves to drive the telescopic rod 33 to move, the detection block 34 is positioned on one side of the touch panel 41, the detection plate 39 is slightly attached to the touch panel 41, the pressure sensor 37 is slightly stressed, when the fan blade connection is loosened, the second spring 40 enables the touch panel 41 to shake repeatedly when the fan blade rotates, the pressure coefficient of the pressure sensor 37 changes repeatedly, the control module 35 uploads abnormal data to the terminal through the information transmission module 36, so that maintenance personnel can detect the abnormality conveniently, and the fan blade is prevented from loosening more and falling.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a high toughness fan blade portion locking device for wind power generation, includes connecting axle piece (1), pair piece (2), locking groove (3) and locking piece (4), its characterized in that: the inner wall of the locking block (4) is provided with a hoisting assembly (5);
a first spring (6) is arranged on the inner wall of the locking block (4), a moving block (7) is arranged at the end part of the first spring (6), a connecting rope (8) is arranged on the outer wall of the moving block (7), one end of the connecting rope (8) is connected with a winding wheel of the winding assembly (5), two groups of air cylinders (9) are arranged on the inner wall of the moving block (7), a locking camera (10) is arranged on the outer wall of the locking block (4), a connecting plate (11) is arranged at the output end of the air cylinder (9), and a clamping block (12) is arranged on the outer wall of the connecting plate (11);
a sliding rod (13) is arranged on the inner wall of the clamping block (12);
the outer wall of the sliding rod (13) is provided with a sliding plate (14), the outer wall of the sliding plate (14) is provided with a fitting block (15), the inner wall of the clamping block (12) is provided with a double-threaded rod (16), and the outer wall of the double-threaded rod (16) is provided with a transmission tooth (17);
a first motor (18) is arranged on the inner wall of the clamping block (12), a connecting tooth (19) is arranged at the output end of the first motor (18), and the outer wall of the connecting tooth (19) is connected with the outer wall of the transmission tooth (17);
the outer wall of the connecting shaft block (1) is provided with a matching block (2), the inside of the connecting shaft block (1) is provided with a locking groove (3), the matching block (2) is matched with the connecting part of the fan blade, and the connecting part of the fan blade is embedded into the locking groove (3).
2. The blade locking device for high-toughness wind power generation according to claim 1, wherein: a groove body (20) is formed in the connecting shaft block (1), a second motor (21) is installed on the inner top wall of the groove body (20), a screw (22) is installed at the output end of the second motor (21), and a transmission plate (23) is installed on the outer wall of the screw (22);
the bottom of drive plate (23) is installed piston (24), and bracing piece (25) are installed at the top of piston (24), and the top of bracing piece (25) is connected with the inside roof of cell body (20), the tip of pairing piece (2) is embedded installs gasbag (26), and trachea (27) are installed to the outer wall of gasbag (26), and the inside of cell body (20) is extended to the one end of trachea (27).
3. A blade lock device for high-toughness wind power generation according to claim 2, wherein: a transmission groove (28) is formed in the connecting shaft block (1), a third motor (29) is arranged on the inner wall of the transmission groove (28), a screw rod (30) is arranged at the output end of the third motor (29), an inner thread block (31) is arranged on the outer wall of the screw rod (30), and a connecting plate (32) is arranged at the top of the inner thread block (31);
the utility model discloses a detection device, including connecting board (32), measuring block (34) is installed to the outer wall of linking board (32), measuring block (34) is installed to the one end of measuring block (33), control module (35) is installed to the inner wall of measuring block (34), information transmission module (36) is installed to the inner wall of measuring block (34), pressure sensor (37) is embedded to be installed in the outer wall of measuring block (34), elastic component (38) is installed to the outer wall of pressure sensor (37), pick-up board (39) is installed to the one end of elastic component (38), no. two springs (40) are installed to the inner wall of locking groove (3), touch panel (41) are installed to the one end of No. two springs (40).
4. A method of using a blade lock for high-toughness wind power generation according to claim 3, wherein the working steps of the blade lock are as follows:
s1, when in locking, an installation part of a fan blade is embedded into a locking groove (3), an installer can check the positions of a locking block (4) and the fan blade installation part according to a locking camera (10), so that a fan blade assembly is easy to mate with the locking block (4), then a cylinder (9) drives a connecting plate (11) to move, the connecting plate (11) moves to drive a clamping block (12) to move, the clamping block (12) moves to be embedded into the fan blade assembly, the clamping block (12) is smaller than the installation groove of the fan blade assembly, so that the clamping block (12) is easier to be embedded into the fan blade installation part, then a connecting rope (8) is wound by a winding assembly (5), the connecting rope (8) pulls a moving block (7) to move, the moving block (7) moves to pull the clamping block (12) to move, and the installation part of the fan blade is locked in the locking groove (3), so that the installation of the fan blade is simpler and more convenient, and the installation difficulty is reduced;
s2, after a clamping block (12) of the double-threaded rod is embedded into a mounting part of a fan blade, a first motor (18) rotates to drive a connecting tooth (19) to rotate, the connecting tooth (19) rotates to drive a transmission tooth (17) to rotate, the transmission tooth (17) rotates to drive a double-threaded rod (16) to rotate, and the double-threaded rod (16) rotates to drive two groups of laminating blocks (15) to synchronously move, so that the laminating blocks (15) are completely laminated with a mounting groove of the fan blade mounting part;
s3, after the fan blades are connected, a second motor (21) rotates to drive a screw rod (22) to rotate, the screw rod (22) rotates to drive a transmission plate (23) to move, the transmission plate (23) moves to drive a piston (24) to move, the piston (24) moves to charge air in a groove body (20) into an air bag (26) through an air pipe (27), the air bag (26) bulges to be connected with the end parts of the fan blades, so that the connecting parts of the fan blades are seamless, water vapor is difficult to enter a locking device, internal instruments are difficult to rust, and the service life of the internal instruments is prolonged;
s4, when the fan blades of the fan are connected, the touch plate (41) is touched, the second spring (40) can press and store force, then the third motor (29) rotates to drive the screw rod (30) to rotate, the screw rod (30) rotates to drive the internal thread block (31) to move, the internal thread block (31) moves to drive the telescopic rod (33) to move, the detection block (34) is positioned on one side of the touch plate (41), the detection plate (39) is slightly attached to the touch plate (41), the pressure sensor (37) is slightly stressed by certain pressure, when the fan blades are connected to loosen, the second spring (40) enables the touch plate (41) to shake repeatedly when the fan blades rotate, so that the pressure coefficient of the pressure sensor (37) changes repeatedly, and the control module (35) transfers abnormal data to the terminal through the information transmission module (36) to facilitate the detection of abnormal fan blades, and the fan blades are prevented from loosening and falling.
5. The method for using a high-toughness wind turbine blade locking device according to claim 4, wherein in step S4, the method further comprises the steps of:
s41, the elastic component (38) of the pressure sensor (37) enables the detection plate (39) to have a certain movement space, so that the touch plate (41) can be attached to the detection plate (39) all the time under the loose condition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310050738.8A CN115977894B (en) | 2023-02-01 | 2023-02-01 | High-toughness fan blade locking device for wind power generation |
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| CN202310050738.8A CN115977894B (en) | 2023-02-01 | 2023-02-01 | High-toughness fan blade locking device for wind power generation |
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| CN115977894B true CN115977894B (en) | 2023-09-19 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206770128U (en) * | 2017-05-23 | 2017-12-19 | 北京三力新能科技有限公司 | A kind of blade locking arrangement of wind power generating set |
| CN210033710U (en) * | 2019-03-18 | 2020-02-07 | 明阳智慧能源集团股份公司 | Automatic blade locking device for wind generating set to be locked along axial direction of blade root |
| CN212717012U (en) * | 2020-06-08 | 2021-03-16 | 明阳智慧能源集团股份公司 | Blade locking device of wind generating set |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009008607A1 (en) * | 2009-02-12 | 2010-08-19 | Nordex Energy Gmbh | Device for locking a rotor blade of a wind energy plant |
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2023
- 2023-02-01 CN CN202310050738.8A patent/CN115977894B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206770128U (en) * | 2017-05-23 | 2017-12-19 | 北京三力新能科技有限公司 | A kind of blade locking arrangement of wind power generating set |
| CN210033710U (en) * | 2019-03-18 | 2020-02-07 | 明阳智慧能源集团股份公司 | Automatic blade locking device for wind generating set to be locked along axial direction of blade root |
| CN212717012U (en) * | 2020-06-08 | 2021-03-16 | 明阳智慧能源集团股份公司 | Blade locking device of wind generating set |
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