CN116006419B - Wind power generation blade part locking sleeve based on spheroidal graphite cast iron and use method thereof - Google Patents
Wind power generation blade part locking sleeve based on spheroidal graphite cast iron and use method thereof Download PDFInfo
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- CN116006419B CN116006419B CN202310012563.1A CN202310012563A CN116006419B CN 116006419 B CN116006419 B CN 116006419B CN 202310012563 A CN202310012563 A CN 202310012563A CN 116006419 B CN116006419 B CN 116006419B
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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
Abstract
The utility model discloses a wind power generation blade part locking sleeve based on spheroidal graphite cast iron, which comprises a hub main body, a locking sleeve fixing plate and a locking sleeve mounting adjusting frame, wherein a supporting plate is arranged on the front surface of the locking sleeve fixing plate, the locking sleeve mounting adjusting frame is arranged at the top of the supporting plate, a threaded rod is arranged at the inner side of the locking sleeve mounting adjusting frame, a moving block is sleeved at the outer side of the threaded rod, and a connecting plate is arranged at the back surface of the moving block. According to the utility model, the connecting plate is arranged on the back surface of the moving block, an operator rotates the rotating hand wheel, the rotating hand wheel drives the threaded rod to rotate through the rotating shaft, the threaded rod rotates to enable the moving block to slide on the inner side of the moving groove to drive the connecting plate to adjust the position in the vertical direction, the distance between the locking tooth block and the inner gear ring of the variable-pitch bearing is adjusted, the bearing block moves downwards to enable the locking tooth block to be clamped on the inner side of the inner gear ring of the variable-pitch bearing to lock the locking tooth block, and convenience is provided for the operator in conveniently locking the inner gear ring of the variable-pitch bearing.
Description
Technical Field
The utility model relates to the technical field of wind turbines, in particular to a wind turbine blade part locking sleeve based on spheroidal graphite cast iron and a use method thereof.
Background
The wind power generation converts kinetic energy of wind into electric energy, the wind energy is clean and pollution-free renewable energy, and when the wind generating set is used for hoisting an impeller of a wind power plant, a variable pitch motor in the impeller is failed, and blades or a variable pitch gearbox are maintained or replaced, the blades of the wind turbine are locked by utilizing a blade locking device so as to prevent the rotation of the blades of the wind turbine, so that the safety of operators and equipment is protected.
The locking sleeve in the prior art has the following defects:
1. 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 utility model has simple structure and convenient operation, can effectively improve the working efficiency of personnel, improve the safety of the machine set and the personnel, reduce the shutdown cost in the maintenance process and reduce the power generation loss. The blade locking device adopts the fixing bolt to fix the blade, and the blade locking device can be installed only by rotating the blade to the corresponding position during locking, so that the installation process is complex.
2. Patent document CN209943273U discloses a locking sleeve for a wind driven generator, "comprising a right fixing plate, a left fixing plate, a first connecting block, a limiting hole, a clamping block, a locking bolt, a threaded hole, a clamping groove, a second connecting block, a side plate, a sliding chute, a through hole, a connecting rod, a handle, a spring, a clamping plate, a movable plate and a bolt hole. The utility model has reasonable structure, the left fixing plate and the right fixing plate are respectively clamped at one end of the wind driven generator, the clamping block at one end of the first connecting block is clamped with the clamping groove at one end of the second connecting block, the threaded hole is coaxial with the center of the limiting hole, the locking bolt penetrates through the limiting hole and is in threaded connection with the threaded hole, so that the positions of the first connecting block and the second connecting block are fixed, the positions of the left fixing plate and the right fixing plate are fixed, the installation and the disassembly are convenient, and the maintenance efficiency of the wind driven generator is improved. The locking sleeve can easily cause the connecting rod to rotate to cause the accidental rotation of the blade in the operation process of the impeller after locking the rotor, and the safety performance during use can not be ensured.
3. The patent document CN212508664U discloses a blade locking device of a wind generating set, which comprises a plum blossom flange, a hydraulic cylinder, a locking pin and a limiting bracket, wherein the plum blossom flange is arranged on a hub of a blade, a plurality of positioning blocks are arranged on the circumference of the plum blossom flange at intervals, the hydraulic cylinder is connected with the locking pin, the limiting bracket comprises a supporting ring which is matched with the locking pin, two supporting legs are arranged in the radial direction of the supporting ring, and the supporting ring and/or the supporting legs are respectively abutted with two adjacent positioning blocks on the plum blossom flange and are used for limiting the position of the plum blossom flange; the blade locking device of the wind generating set has the advantages of simple structure, convenient operation and stable support, can improve the maintenance and installation operation efficiency of the blade, and avoids the potential safety hazard during the maintenance and installation operation in the horizontal blade. The blade locking device locks the blade only through the limiting support, the locking effect is poor, and the limiting support is positioned on the outer side of the blade, so that the locking is inconvenient for operators.
4. Patent document CN206770128U discloses a blade locking device of a wind generating set, "comprising 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 the 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, and can be used not only on hydraulic pitch-controlled units, but also on other pitch-controlled units such as electric ones. The blade locking device cannot buffer and protect the locking connection part, so that abrasion between the locking pin and the locking bolt is easy to occur, and the service life of the locking device is shortened.
Disclosure of Invention
The utility model aims to provide a wind power generation blade part locking sleeve based on spheroidal graphite cast iron and a use method thereof, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wind power generation blade portion dress locking cover based on spheroidal graphite cast iron, includes wheel hub main part, locking cover fixed plate and dress locking cover alignment jig, the inboard of wheel hub main part is provided with wheel hub web, the locking cover fixed plate is installed in the front of wheel hub web, the mounting panel is installed in the outside of locking cover fixed plate, fixing bolt is installed in the front run-through of mounting panel, the backup pad is installed in the front of locking cover fixed plate, the locking cover alignment jig is installed at the top of backup pad, the threaded rod is installed to the inboard of dress locking cover alignment jig, the movable block has been cup jointed in the outside of threaded rod, the back-mounted of movable block has the connecting plate.
Preferably, the inner side of the hub spoke plate is provided with a variable-pitch bearing inner gear ring, the front side of the hub spoke plate is provided with a locking jack in a penetrating way, the inner side of the hub main body is provided with a hub pin hole, the inner side of the locking jack is provided with a blade bolt in a penetrating way, and the outer side of the blade bolt is provided with a locking nut.
Preferably, a rotating hand wheel is arranged at the top of the locking sleeve mounting adjusting frame, a moving groove is formed in the inner wall of the locking sleeve mounting adjusting frame, and a limiting hole is formed in the top of the rotating hand wheel in a penetrating mode.
Preferably, the top of the locking sleeve installing adjusting frame is provided with a moving cavity, the inner side of the moving cavity is embedded with a limiting plate, the bottom wall of the moving cavity is provided with a reset spring, and the top of the limiting plate is provided with a limiting clamping column.
Preferably, the output end of the rotary hand wheel is connected with the input end of the threaded rod through a rotary shaft, the moving block is embedded and installed on the inner side of the moving groove, the top of the reset spring is connected with the bottom of the limiting plate, and the limiting clamping column is matched with the limiting hole.
Preferably, the bottom of the connecting plate is provided with a bearing block, the bottom of the bearing block is provided with a locking tooth block, and the locking tooth block is matched with the inner gear ring of the variable-pitch bearing.
Preferably, the mounting bracket is installed in the front of lock collar fixed plate, and the mounting hole has been seted up in the front of mounting bracket, and the locking frame is installed in the front of mounting bracket, and movable groove has been seted up in the top of locking frame running through, and movable rod is installed to the inboard movable mounting of movable groove, and spacing disc is installed on the top of movable rod, and spacing disc and movable groove cooperate.
Preferably, the locking piece is installed to the bottom of movable rod, and the locking pin is installed to the bottom of locking piece, and the locking pin cooperatees with the wheel hub pinhole, and locking groove has been seted up in the outside of locking piece, and fixed frame is installed to locking groove's inboard, has seted up the sliding tray on the inner wall of fixed frame, and the sliding plate is installed to the inboard gomphosis of sliding tray, installs compression spring on the inner wall of fixed frame, and compression spring's outer end is connected with the inboard of sliding plate, and wear-resisting clamp pad is installed in the outside of sliding plate, and wear-resisting clamp pad contacts with the outside of blade bolt.
Preferably, the working steps of the locking sleeve are as follows:
s1, firstly, an operator stably installs a mounting plate on the outer side of a hub web plate through a fixing bolt, so that the firmness of the locking sleeve fixing plate in use is ensured, and when the blade part is locked, a limiting clamping column is pressed to enable the limiting clamping column to push the limiting plate to move on the inner side of a moving cavity to squeeze a reset spring, and the limiting relation of the limiting clamping column to a rotating hand wheel is released;
s2, after the limiting clamping column is positioned at the inner side of the moving cavity, an operator rotates the rotating hand wheel, the rotating hand wheel drives the threaded rod to rotate through the rotating shaft, the threaded rod rotates to enable the moving block to slide at the inner side of the moving groove to drive the connecting plate to carry out position adjustment in the vertical direction, adjustment of the distance between the locking tooth block and the inner gear ring of the variable-pitch bearing is achieved, and the bearing block moves downwards to enable the locking tooth block to be clamped at the inner side of the inner gear ring of the variable-pitch bearing to lock the locking tooth block;
s3, adjusting the locking height and the horizontal position of the locking piece at the inner side of the movable groove, limiting the position adjusting range of the locking piece by the limiting disc, limiting the height of the locking piece by the blade bolt after the blade bolt is positioned at the inner side of the locking groove, pushing the movable rod to a direction close to the mounting frame by an operator, and clamping the locking pin at the inner side of the hub pin hole;
s4, when the wear-resistant clamping pad is in contact with the outer side of the blade bolt, the wear-resistant clamping pad pushes the sliding plate to move inside the sliding groove to squeeze the compression spring, so that clamping stability is guaranteed, and damage to the locking piece and the blade bolt caused by overlarge clamping force is prevented.
Preferably, in the step S2, the method further includes the following steps:
s21, after the inner gear ring of the variable-pitch bearing is locked, the limiting clamping column is loosened, and the reset spring enables the limiting clamping column to be clamped at the inner side of the limiting hole due to self elasticity, so that stable connection between the limiting clamping column and the rotating hand wheel is realized;
in the step S3, the method further includes the following steps:
and S31, installing a lock nut on the outer side of the blade bolt, and screwing the lock nut into the blade bolt to fasten the locking piece so as to lock the blade part.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the connecting plate is arranged on the back surface of the moving block, an operator rotates the rotating hand wheel, the rotating hand wheel drives the threaded rod to rotate through the rotating shaft, the threaded rod rotates to enable the moving block to slide on the inner side of the moving groove to drive the connecting plate to adjust the position in the vertical direction, the distance between the locking tooth block and the inner gear ring of the variable-pitch bearing is adjusted, the bearing block moves downwards to enable the locking tooth block to be clamped on the inner side of the inner gear ring of the variable-pitch bearing to lock the locking tooth block, and convenience is provided for the operator in conveniently locking the inner gear ring of the variable-pitch bearing.
2. According to the utility model, the limiting clamping column is arranged at the top of the limiting plate, when the blade part is locked, the limiting clamping column is pressed to enable the limiting plate to be pushed to move at the inner side of the moving cavity to extrude the reset spring, the limiting relation of the limiting clamping column to the rotating hand wheel is released, the limiting clamping column is released after the inner gear ring of the variable pitch bearing is locked, the reset spring enables the limiting clamping column to be clamped at the inner side of the limiting hole due to self elasticity, so that stable connection between the limiting clamping column and the rotating hand wheel is realized, accidental rotation of the blade caused by rotation of the rotating hand wheel in the impeller operation process is effectively avoided, and the safety performance in use is enhanced.
3. According to the utility model, the locking piece is arranged at the bottom end of the movable rod, the locking height and the horizontal position of the locking piece are adjusted at the inner side of the movable groove, the limiting disc limits the position adjusting range of the locking piece, the blade bolt is positioned at the inner side of the locking groove, the rear blade bolt limits the height of the locking piece, an operator pushes the movable rod to a direction close to the mounting frame, the locking pin is clamped at the inner side of the hub pin hole, the locking nut is arranged at the outer side of the blade bolt and screwed in to fasten the locking piece to lock the blade part, and the locking effect of the locking sleeve on the blade is improved while the locking of the operator is facilitated.
4. According to the utility model, the fixed frame is arranged on the inner side of the locking groove, and the wear-resistant clamping pad pushes the sliding plate to move on the inner side of the sliding groove to squeeze the compression spring when the wear-resistant clamping pad is contacted with the outer side of the blade bolt, so that the clamping stability is ensured, the damage to the locking piece and the blade bolt caused by excessive clamping force is prevented, the abrasion between the locking piece and the blade bolt is reduced, and the service life of the locking sleeve is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of the utility model at A;
FIG. 3 is a schematic view of the internal structure of the locking sleeve mounting adjusting bracket of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of the present utility model at B;
FIG. 5 is a schematic view of a connection structure of a limiting clip column according to the present utility model;
FIG. 6 is a schematic perspective view of a locking tooth block according to the present utility model;
FIG. 7 is a schematic perspective view of a locking member according to the present utility model;
fig. 8 is a schematic view of the internal structure of the fixing frame of the present utility model.
In the figure: 1. a hub main body; 2. a locking sleeve fixing plate; 3. installing a locking sleeve adjusting frame; 4. a moving chamber; 5. a connecting plate; 6. a mounting frame; 7. a locking member; 8. a hub web; 9. an inner gear ring of the variable-pitch bearing; 10. locking the jack; 11. hub pin holes; 12. blade bolts; 13. a lock nut; 14. a mounting plate; 15. a fixing bolt; 16. a support plate; 17. a threaded rod; 18. rotating a hand wheel; 19. a moving block; 20. a moving groove; 21. a limiting hole; 22. a limiting plate; 23. a return spring; 24. limiting clamping columns; 25. a bearing block; 26. locking the tooth block; 27. a mounting hole; 28. a locking frame; 29. a movable groove; 30. a movable rod; 31. a limit disc; 32. a locking pin; 33. a locking groove; 34. a fixed frame; 35. a sliding groove; 36. a sliding plate; 37. a compression spring; 38. wear-resistant clamping pads.
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 fixedly connected or movably connected, or may be 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 and 2, an embodiment of the present utility model is provided: wind power generation blade part locking sleeve based on spheroidal graphite cast iron and use method thereof;
including wheel hub main part 1, wheel hub web 8 and locking bush fixed plate 2, the inboard of wheel hub main part 1 is provided with wheel hub web 8, the inboard of wheel hub web 8 is provided with variable pitch bearing ring gear 9, the front of wheel hub web 8 runs through and installs locking jack 10, wheel hub pinhole 11 has been seted up to the inboard of wheel hub main part 1, the inboard of locking jack 10 runs through and installs blade bolt 12, locking jack 10 is used for the installation of blade bolt 12, pass through threaded connection between the two, lock nut 13 is installed in the outside of blade bolt 12, locking bush fixed plate 2 is installed in the front of wheel hub web 8, mounting panel 14 is installed in the outside of locking bush fixed plate 2, mounting panel 15 is run through to the front of mounting panel 14, backup pad 16 is installed in the outside of wheel hub web 8 with the front of mounting panel 14, the fastness when locking bush fixed plate 2 is used has been guaranteed, pass through welded connection between backup pad 16 and the locking bush fixed plate 2, backup pad 16 supports to adorning locking bush regulating frame 3.
Referring to fig. 1, 3, 4 and 5, a wind power generation blade part locking sleeve based on spheroidal graphite cast iron and a using method thereof;
comprises a locking sleeve adjusting frame 3, a rotating hand wheel 18 and a moving cavity 4, wherein the top of a supporting plate 16 is provided with the locking sleeve adjusting frame 3, the inner side of the locking sleeve adjusting frame 3 is provided with a threaded rod 17, the outer side of the threaded rod 17 is sleeved with a moving block 19, the top of the locking sleeve adjusting frame 3 is provided with the rotating hand wheel 18, the output end of the rotating hand wheel 18 is connected with the input end of the threaded rod 17 through a rotating shaft, the moving block 19 is embedded and arranged at the inner side of a moving groove 20, the inner wall of the locking sleeve adjusting frame 3 is provided with the moving groove 20, the top of the rotating hand wheel 18 is penetrated and provided with a limiting hole 21, an operator rotates the rotating hand wheel 18, the rotating hand wheel 18 drives the threaded rod 17 to rotate through the rotating shaft, the rotating of the threaded rod 17 enables the moving block 19 to slide at the inner side of the moving groove 20 to drive a connecting plate 5 to carry out position adjustment in the vertical direction, the distance between the locking tooth block 26 and the pitch bearing inner gear ring 9 is adjusted, the top of the locking sleeve adjusting frame 3 is provided with a moving cavity 4, the inner side of the moving cavity 4 is embedded with a limiting plate 22, the bottom wall of the moving cavity 4 is provided with a reset spring 23, the top of the limiting plate 22 is provided with a limiting clamping column 24, the top of the reset spring 23 is connected with the bottom of the limiting plate 22, the limiting clamping column 24 is matched with the limiting hole 21, the limiting clamping column 24 is pressed when the blade part is locked to enable the limiting clamping column 24 to push the limiting plate 22 to move at the inner side of the moving cavity 4 to squeeze the reset spring 23, the limiting relation of the limiting clamping column 24 to the rotating hand wheel 18 is released, the limiting clamping column 24 is released after the pitch bearing ring 9 is locked, the limiting clamping column 24 is clamped at the inner side of the limiting hole 21 due to self elastic force of the reset spring 23, the stable connection between the limiting clamping column 24 and the rotating hand wheel 18 is realized, accidental rotation of the blades due to rotation of the rotary handwheel 18 during operation of the impeller is avoided.
Referring to fig. 1, 2, 6, 7 and 8, a wind turbine blade assembly locking sleeve based on spheroidal graphite cast iron and a use method thereof;
comprises a connecting plate 5, a mounting frame 6 and a locking piece 7, wherein the connecting plate 5 is arranged on the back surface of a moving block 19, a bearing block 25 is arranged at the bottom of the connecting plate 5, a locking tooth block 26 is arranged at the bottom of the bearing block 25, the locking tooth block 26 is matched with an inner gear ring 9 of a variable pitch bearing, the bearing block 25 moves downwards to enable the locking tooth block 26 to be clamped on the inner side of the inner gear ring 9 of the variable pitch bearing to lock the inner gear ring, the convenient locking of the inner gear ring 9 of the variable pitch bearing is convenient for operators, the locking tooth block 26 is made of ductile cast iron, the front surface of a locking sleeve fixing plate 2 is provided with the mounting frame 6, the front surface of the mounting frame 6 is penetrated and provided with a mounting hole 27, the front surface of the mounting frame 6 is provided with a locking frame 28, the top of the locking frame 28 is penetrated and provided with a movable groove 29, the inner side of the movable groove 29 is movably provided with a movable rod 30, the top end of the movable rod 30 is provided with a limiting disc 31, the limit disc 31 is matched with the movable groove 29, the locking sleeve fixing plate 2 provides a mounting position for the mounting frame 6, the inner side of the spiral penetrating mounting hole 27 realizes stable connection between the mounting frame 6 and the locking sleeve fixing plate 2, the locking frame 28 is connected with the mounting frame 6 in a welding way, the inner side of the movable groove 29 is used for adjusting the locking height and the horizontal position of the locking piece 7, the limit disc 31 is used for limiting the position adjusting range of the locking piece 7, the locking piece 7 is mounted at the bottom end of the movable rod 30, the locking pin 32 is mounted at the bottom of the locking piece 7 and matched with the hub pin hole 11, the locking groove 33 is formed at the outer side of the locking piece 7, the fixing frame 34 is mounted at the inner side of the locking groove 33, the sliding groove 35 is formed on the inner wall of the fixing frame 34, the sliding plate 36 is mounted at the inner side of the sliding groove 35 in a jogging way, the pressing spring 37 is mounted on the inner wall of the fixing frame 34, and the outer end of the compression spring 37 is connected with the inner side of the sliding plate 36, the wear-resistant clamping pad 38 is arranged on the outer side of the sliding plate 36, the wear-resistant clamping pad 38 is in contact with the outer side of the blade bolt 12, the blade bolt 12 is positioned on the inner side of the locking groove 33, the blade bolt 12 limits the height of the locking piece 7, an operator pushes the movable rod 30 to be close to the direction of the mounting frame 6, the locking pin 32 is clamped on the inner side of the hub pin hole 11, the locking nut 13 is arranged on the outer side of the blade bolt 12 and screwed into the locking nut 13 to fasten the locking piece 7, the blade part is locked, and the wear-resistant clamping pad 38 pushes the sliding plate 36 to squeeze the compression spring 37 when the wear-resistant clamping pad 38 is in contact with the outer side of the blade bolt 12, so that the clamping stability is ensured.
The working steps of the locking sleeve are as follows:
s1, firstly, an operator firmly installs the mounting plate 14 on the outer side of the hub web 8 through the fixing bolt 15, so as to ensure the firmness of the locking sleeve fixing plate 2 during use, and presses the limiting clamping column 24 when the blade part is locked to enable the limiting clamping column 24 to push the limiting plate 22 to move inside the moving cavity 4 to extrude the reset spring 23, and release the limiting relation of the limiting clamping column 24 to the rotating hand wheel 18;
s2, after the limiting clamping column 24 is positioned at the inner side of the moving cavity 4, an operator rotates the rotating hand wheel 18, the rotating hand wheel 18 drives the threaded rod 17 to rotate through the rotating shaft, the threaded rod 17 rotates to enable the moving block 19 to slide at the inner side of the moving groove 20 to drive the connecting plate 5 to adjust the position in the vertical direction, the adjustment of the distance between the locking tooth block 26 and the inner gear ring 9 of the variable-pitch bearing is achieved, and the bearing block 25 moves downwards to enable the locking tooth block 26 to be clamped at the inner side of the inner gear ring 9 of the variable-pitch bearing to lock the same;
s3, adjusting the locking height and the horizontal position of the locking piece 7 at the inner side of the movable groove 29, limiting the position adjusting range of the locking piece 7 by the limiting disc 31, limiting the height of the locking piece 7 by the blade bolt 12 after the blade bolt 12 is positioned at the inner side of the locking groove 33, pushing the movable rod 30 to the direction approaching to the mounting frame 6 by an operator, and clamping the locking pin 32 at the inner side of the hub pin hole 11;
and S4, when the wear-resistant clamping pad 38 is contacted with the outer side of the blade bolt 12, the wear-resistant clamping pad 38 pushes the sliding plate 36 to move inside the sliding groove 35 to squeeze the compression spring 37, so that the clamping stability is ensured, and the damage to the locking piece 7 and the blade bolt 12 caused by excessive clamping force is prevented.
In step S2, the method further includes the steps of:
s21, after the inner gear ring 9 of the variable pitch bearing is locked, the limiting clamping column 24 is loosened, and the reset spring 23 enables the limiting clamping column 24 to be clamped inside the limiting hole 21 due to self elasticity, so that stable connection between the limiting clamping column 24 and the rotating hand wheel 18 is realized;
in step S3, the method further includes the steps of:
s31, the lock nut 13 is mounted on the outer side of the blade bolt 12, and the blade portion is locked by screwing the lock nut 13 to fasten the lock 7.
Working principle: when the device is used, firstly, an operator firmly installs the mounting plate 14 on the outer side of the hub web 8 through the fixing bolt 15, the firmness of the locking sleeve fixing plate 2 in use is ensured, when the blade part is locked, the limiting clamping column 24 is pressed to push the limiting plate 22 to move on the inner side of the moving cavity 4 to extrude the reset spring 23, the limiting relation of the limiting clamping column 24 to the rotating hand wheel 18 is released, the operator rotates the rotating hand wheel 18 after the limiting clamping column 24 is positioned on the inner side of the moving cavity 4, the rotating hand wheel 18 drives the threaded rod 17 to rotate through the rotating shaft, the threaded rod 17 rotates to enable the moving block 19 to slide on the inner side of the moving groove 20 to drive the connecting plate 5 to perform position adjustment in the vertical direction, the adjustment of the distance between the locking tooth block 26 and the variable-bearing ring 9 is realized, the bearing block 25 moves downwards to enable the locking tooth block 26 to be clamped on the inner side of the variable-bearing ring gear 9 to lock the variable-bearing ring gear 9, after the inner gear ring 9 of the variable pitch bearing is locked, the limiting clamping column 24 is loosened, the reset spring 23 enables the limiting clamping column 24 to be clamped at the inner side of the limiting hole 21 due to self elasticity, stable connection between the limiting clamping column 24 and the rotating hand wheel 18 is achieved, the locking height and the horizontal position of the locking piece 7 are adjusted at the inner side of the movable groove 29, the limiting disc 31 limits the position adjusting range of the locking piece 7, the blade bolt 12 is positioned at the inner side of the locking groove 33, the blade bolt 12 limits the height of the locking piece 7, an operator pushes the movable rod 30 towards the direction close to the mounting frame 6, the locking pin 32 is clamped at the inner side of the hub pin hole 11, the locking nut 13 is mounted at the outer side of the blade bolt 12 and screwed in to enable the locking nut 13 to fasten the locking piece 7, and the blade part is locked, the abrasion-resistant clamping pad 38 pushes the sliding plate 36 to move inside the sliding groove 35 to squeeze the compression spring 37 when the abrasion-resistant clamping pad 38 is in contact with the outer side of the blade bolt 12, so that clamping stability is guaranteed, and damage to the locking piece 7 and the blade bolt 12 due to excessive clamping force is prevented.
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 (6)
1. The utility model provides a wind power generation blade portion dress locking cover based on nodular cast iron, includes wheel hub main part (1), locking cover fixed plate (2) and dress locking cover alignment jig (3), its characterized in that: the novel bicycle hub comprises a hub main body (1), wherein a hub spoke plate (8) is arranged on the inner side of the hub main body (1), a locking sleeve fixing plate (2) is arranged on the front side of the hub spoke plate (8), a mounting plate (14) is arranged on the outer side of the locking sleeve fixing plate (2), a fixing bolt (15) is arranged on the front side of the mounting plate (14) in a penetrating mode, a supporting plate (16) is arranged on the front side of the locking sleeve fixing plate (2), a locking sleeve adjusting frame (3) is arranged on the top of the supporting plate (16), a threaded rod (17) is arranged on the inner side of the locking sleeve adjusting frame (3), a moving block (19) is sleeved on the outer side of the threaded rod (17), and a connecting plate (5) is arranged on the back side of the moving block (19);
the inner side of the hub spoke plate (8) is provided with a variable pitch bearing inner gear ring (9), the front side of the hub spoke plate (8) is provided with a locking jack (10) in a penetrating way, the inner side of the hub main body (1) is provided with a hub pin hole (11), the inner side of the locking jack (10) is provided with a blade bolt (12) in a penetrating way, and the outer side of the blade bolt (12) is provided with a locking nut (13);
the bottom of the connecting plate (5) is provided with a bearing block (25), the bottom of the bearing block (25) is provided with a locking tooth block (26), and the locking tooth block (26) is matched with the inner gear ring (9) of the variable-pitch bearing; the locking tooth block (26) is made of spheroidal graphite cast iron;
the front of the locking sleeve fixing plate (2) is provided with a mounting frame (6), the front of the mounting frame (6) is provided with a mounting hole (27) in a penetrating way, the front of the mounting frame (6) is provided with a locking frame (28), the top of the locking frame (28) is provided with a movable groove (29) in a penetrating way, the inner side of the movable groove (29) is movably provided with a movable rod (30), the top end of the movable rod (30) is provided with a limiting disc (31), and the limiting disc (31) is matched with the movable groove (29);
locking piece (7) are installed to the bottom of movable rod (30), locking pin (32) are installed to the bottom of locking piece (7), and locking pin (32) and wheel hub pinhole (11) cooperate, locking recess (33) have been seted up in the outside of locking piece (7), fixed frame (34) are installed to the inboard of locking recess (33), sliding tray (35) have been seted up on the inner wall of fixed frame (34), sliding plate (36) are installed in the inboard gomphosis of sliding tray (35), install compression spring (37) on the inner wall of fixed frame (34), and the outer end of compression spring (37) is connected with the inboard of sliding plate (36), wear-resisting clamp pad (38) are installed in the outside of sliding plate (36), and wear-resisting clamp pad (38) are contacted with the outside of blade bolt (12).
2. The spheroidal graphite cast iron-based wind power generation blade part locking sleeve according to claim 1, wherein: the top of dress locking bush alignment jig (3) is installed and is rotated hand wheel (18), has seted up on the inner wall of dress locking bush alignment jig (3) and has moved groove (20), and limit hole (21) have been run through at the top of rotating hand wheel (18).
3. The spheroidal graphite cast iron-based wind power generation blade part locking sleeve according to claim 2, wherein: the top of dress locking bush regulating frame (3) has seted up and has removed chamber (4), and limiting plate (22) are installed to the inboard gomphosis in removal chamber (4), installs reset spring (23) on the diapire in removal chamber (4), and limiting clip post (24) are installed at the top of limiting plate (22).
4. A spheroidal graphite cast iron-based wind power generation blade part locking sleeve according to claim 3, wherein: the output end of the rotary hand wheel (18) is connected with the input end of the threaded rod (17) through a rotary shaft, the moving block (19) is embedded and installed on the inner side of the moving groove (20), the top of the reset spring (23) is connected with the bottom of the limiting plate (22), and the limiting clamping column (24) is matched with the limiting hole (21).
5. The method for using a spheroidal graphite cast iron-based wind power generation blade part-mounted locking sleeve according to claim 4, wherein the working steps of the locking sleeve are as follows:
s1, firstly, an operator stably installs an installing plate (14) on the outer side of a hub web (8) through a fixing bolt (15), so that the firmness of the locking sleeve fixing plate (2) in use is ensured, when the blade part is locked, a limiting clamping column (24) is pressed, the limiting clamping column (24) pushes a limiting plate (22) to move inside a moving cavity (4) to extrude a reset spring (23), and the limiting relation of the limiting clamping column (24) to a rotating hand wheel (18) is released;
s2, an operator rotates a rotating hand wheel (18) after the limiting clamping column (24) is positioned at the inner side of the moving cavity (4), the rotating hand wheel (18) drives a threaded rod (17) to rotate through a rotating shaft, the threaded rod (17) rotates to enable a moving block (19) to slide at the inner side of a moving groove (20) to drive a connecting plate (5) to adjust the position in the vertical direction, adjustment of the distance between a locking tooth block (26) and an inner gear ring (9) of a variable pitch bearing is achieved, and a bearing block (25) moves downwards to enable the locking tooth block (26) to be clamped at the inner side of the inner gear ring (9) of the variable pitch bearing to lock the variable pitch bearing;
s3, adjusting the locking height and the horizontal position of the locking piece (7) at the inner side of the movable groove (29), limiting the position adjusting range of the locking piece (7) by the limiting disc (31), limiting the height of the locking piece (7) by the rear blade bolt (12) positioned at the inner side of the locking groove (33), pushing the movable rod (30) to a direction close to the mounting frame (6) by an operator, and clamping the locking pin (32) at the inner side of the hub pin hole (11);
s4, when the wear-resistant clamping pad (38) is in contact with the outer side of the blade bolt (12), the wear-resistant clamping pad (38) pushes the sliding plate (36) to move inside the sliding groove (35) to squeeze the compression spring (37), so that the clamping stability is ensured, and damage to the locking piece (7) and the blade bolt (12) caused by overlarge clamping force is prevented.
6. The method of using a spheroidal graphite cast iron-based wind power generation blade part locking sleeve according to claim 5, wherein in step S2, the method further comprises the steps of:
s21, after locking the inner gear ring (9) of the variable pitch bearing, loosening the limiting clamping column (24), wherein the limiting clamping column (24) is clamped at the inner side of the limiting hole (21) by virtue of self elasticity of the reset spring (23), so that stable connection between the limiting clamping column (24) and the rotating hand wheel (18) is realized;
in the step S3, the method further includes the following steps:
s31, installing a lock nut (13) on the outer side of the blade bolt (12) and screwing the lock nut into the blade bolt to enable the lock nut (13) to fasten the locking piece (7) so as to lock the blade.
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| CN116006419A (en) | 2023-04-25 |
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