CN211397771U - Anti-deformation tool for blades of wind generating set - Google Patents
Anti-deformation tool for blades of wind generating set Download PDFInfo
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- CN211397771U CN211397771U CN202020078200.XU CN202020078200U CN211397771U CN 211397771 U CN211397771 U CN 211397771U CN 202020078200 U CN202020078200 U CN 202020078200U CN 211397771 U CN211397771 U CN 211397771U
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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 provides an anti-deformation tool for blades of a wind generating set, which comprises a fixed disc and a plurality of supporting units arranged along the circumferential direction of the fixed disc, wherein each supporting unit comprises a supporting rod, a ball head screw rod and a locking structure, the supporting rod extends outwards along the circumferential direction of the fixed disc, the first end of the supporting rod is connected with the fixed disc, the ball head screw rod comprises a ball head and a screw rod part fixedly connected with the ball head, and the screw rod part is connected with the second end of the supporting rod; locking structure detachably is fixed in on the blade root bolt of blade, locking structure has and is used for holding the shrinkage pool of bulb, just the bulb can block to be located in the shrinkage pool, wherein, the at least one end of bracing piece is threaded connection. Because the deformation-preventing tool for the blades of the wind generating set is fixed on the blade root bolt before the blades are lifted, the blade root bolt can be supported, and the blades are prevented from deforming.
Description
Technical Field
The utility model belongs to the technical field of wind power generation, especially, relate to a deformation frock of preapring for an unfavorable turn of events of wind generating set blade.
Background
The wing-shaped structure of the offshore wind power blade directly determines the power generation capacity of the wind generating set, and different manufacturers have a set of design and calculation methods, so that the size and the material of the blade are greatly different. At present, the diameter of an impeller of an offshore 5MW unit and an offshore 6MW unit reaches 171 meters, even 184 meters, and a single blade exceeds 30 tons, so that in the hoisting process of storing and transporting the blade, the weight of the blade is increased, the flange at the position of the blade root of the blade is directly deformed and risks are increased, particularly in the long-term storage process of the blade, the blade root flange is deformed due to creep deformation caused by the self weight of the blade, and the blade root flange cannot be assembled on site.
The existing common solution is that a jack is used for propping the inner side baffle of the blade root on site, the distance between the baffles is propped open to adjust the distance, after a blade bolt is butted into a hub, the moment is exerted, and then the jack is disassembled.
SUMMERY OF THE UTILITY MODEL
One of the objects of the present invention is to provide an anti-deformation tool for wind turbine generator system blades to improve the roundness adjusting efficiency of the blade root flange.
Furthermore, the utility model provides a wind generating set blade's deformation frock of preapring for an unfavorable turn of events can also prevent that the blade root flange from taking place to warp.
To the above purpose, the present invention provides the following technical solutions:
according to one aspect of the utility model, the utility model provides an anti-deformation tool for wind generating set blades, which comprises a fixed disc and a plurality of supporting units arranged along the circumferential direction of the fixed disc, wherein each supporting unit comprises a supporting rod, a ball head screw rod and a locking structure, the supporting rod extends outwards along the circumferential direction of the fixed disc, the first end of the supporting rod is connected with the fixed disc, the ball head screw rod comprises a ball head and a screw rod part fixedly connected with the ball head, and the screw rod part is connected with the second end of the supporting rod; locking structure detachably is fixed in on the blade root bolt of blade, locking structure has and is used for holding the shrinkage pool of bulb, just the bulb can block to be located in the shrinkage pool, wherein, the at least one end of bracing piece is threaded connection.
According to the utility model discloses an exemplary embodiment, the periphery of fixed disk is provided with a plurality of screw holes, the periphery wall of screw hole is provided with the observation hole, just be provided with first scale district on the outer peripheral face of screw hole, follow in the first scale district a plurality of groove have been arranged to the extending direction of screw hole, the bracing piece first end be provided with the external screw thread that the screw hole matches.
Preferably, the ball screw is provided with a clamping part, the clamping part is positioned between the ball head and the screw rod part, and the outer peripheral surface of the clamping part is provided with a plane for clamping.
Specifically, the bracing piece the second end with lead screw portion threaded connection, the bracing piece the outer peripheral face of second end is provided with the second scale district, the orientation of lead screw portion the one end of bulb is provided with the third scale district, wherein, the second scale district is provided with many graduations and evenly arranges in the outer peripheral face of bracing piece, the third scale district is provided with a graduation, perhaps, the second scale district is provided with a graduation, the third scale district is provided with many graduations and evenly arranges in the outer peripheral face of lead screw portion.
Furthermore, the support rod comprises a first connecting rod and a second connecting rod which are connected with each other, one ends of the first connecting rod and the second connecting rod which deviate from each other are respectively connected with the fixed disc and the ball head screw rod, and a plane for clamping is arranged on the peripheral surface of at least one of the first connecting rod and the second connecting rod.
According to the utility model discloses a further exemplary embodiment, the locking structure is including being used for fixing first locking module on the blade root bolt is in with connect second locking module on the ball lead screw, deviating from of second locking module one side of shrinkage pool is provided with the recess, at least some card of first locking module is located in the recess.
Specifically, the first locking module comprises an L-shaped baffle, the edge of a first edge of the baffle is inwards recessed to form a first half groove for accommodating the blade root bolt, the center line of the first half groove is parallel to a second edge of the baffle, the edge of the second edge is outwards protruded to form a T-shaped protruding block, and the groove in the second locking module is a T-shaped groove matched with the T-shaped protruding block.
Preferably, the locking structure further comprises a clamping block having a second half-groove matching the first half-groove, the clamping block abutting the first edge to be fixable at the outer circumference of the blade root bolt.
Further, the locking structure still includes the briquetting, the briquetting is provided with the confession the through-hole that lead screw portion passed, the diameter of through-hole is less than the diameter of bulb, the briquetting set up in having of second locking module the one side of shrinkage pool, just the shrinkage pool passes through-hole and external intercommunication.
Preferably, the anti-deformation tool for the blades of the wind generating set further comprises a rotary lifting ring, and the rotary lifting ring is pivotally connected to the fixed disc.
The utility model provides a deformation frock of preapring for an unfavorable turn of events of wind generating set blade has following beneficial effect at least: the utility model provides a shape frock of preapring for an unfavorable turn of events of wind generating set blade can be fixed on the blade root bolt to avoided this wind generating set blade's shape frock of preapring for an unfavorable turn of events to break away from the landing and the potential safety hazard brought from the blade root, just also improved its factor of safety. Besides, the deformation-preventing tool for the blades of the wind generating set is fixed on the blade root bolt before the blades are lifted, so that the blade root bolt can be supported, and the blades are prevented from deforming.
Drawings
The above and/or other objects and advantages of the present invention will become more apparent from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:
fig. 1 is a structural diagram of a deformation preventing tool for a blade of a wind turbine generator system according to an exemplary embodiment of the present invention.
Fig. 2 is a use state diagram of the deformation preventing tool for the blade of the wind generating set in fig. 1 in cooperation with the blade.
Fig. 3 is a front view of the deformation preventing tool for the blade of the wind generating set in fig. 2.
Fig. 4 is a structural view of the fixed platter of fig. 1.
Fig. 5 is an exploded view of the supporting unit of fig. 1.
Fig. 6 is an enlarged view of a portion a of fig. 2.
Description of reference numerals:
2: a blade; 10: fixing the disc;
20: a support unit; 30: rotating the hoisting ring;
31: lifting holes; 40: a blade root bolt;
101: an observation hole; 102: a first scale zone;
103: a central through hole; 210: a support bar;
211: a first link; 212: a second link;
220: a ball screw; 221: a ball head;
222: a wire rod part; 223: a clamping portion;
230: a locking structure; 231: a first locking module;
232: a second locking module; 233: a clamping block;
234: briquetting; 2101: a second scale region;
2102: a plane; 2221: a third scale region;
2311: a first half-tank; 2312: a T-shaped bump;
2321: a groove; 2331: a second half-tank;
2341: and a through hole.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
Referring to fig. 1 to 3, a structural diagram of a deformation prevention tool for a wind turbine blade according to an exemplary embodiment of the present invention is shown, wherein the deformation prevention tool for a wind turbine blade includes a fixed disk 10 located at the center, a plurality of supporting units 20 radially extending from the center of the fixed disk 10, and a rotary ring 30 connected to the fixed disk 10. The deformation-preventing tool for the blades of the wind generating set can be installed on the blade root bolt 40 after the blades are manufactured, so that the blades are prevented from deforming in the assembling and transporting processes. Besides, the rotary hoisting ring 30 provides hoisting support, and compared with the traditional hoisting mode of hoisting the periphery of the blade root in the hoisting process, the deformation of the blade is further prevented.
Referring to the drawings, the deformation prevention tool for the blades of the wind generating set comprises 8 support units 20, but not limited thereto, the number of the support units 20 can be selected according to the needs, for example, 2, 3, 4, 5, 6, etc., and preferably, the support units 20 are uniformly arranged on the periphery of the fixed disk 10.
A plurality of threaded holes matched with the supporting units 20 are uniformly arranged in the circumferential direction of the fixed disk 10, external threads matched with the threaded holes are arranged at the first ends of the supporting units 20, and the supporting units 20 and the fixed disk 10 are combined together through threaded connection. Preferably, the center of the fixed disk 10 is provided with a central through hole 103 to reduce the weight and improve the economy of the anti-deformation tool for the blades of the wind turbine generator system.
Referring to fig. 4, the outer peripheral wall of the threaded hole is further provided with a viewing hole 101 and a first scale area 102, the position of the support unit 20 in the threaded hole can be viewed through the viewing hole 101, and a first reading can be accurately read through the scale line of the first scale area 102, and the first reading shows the length of the support unit 20 extending out of the threaded hole or retracting into the threaded hole.
In the case where only the first end of the support unit 20 is connected to the fixed platter 10 by means of the screw, the actual length of the support unit 20 can be read by the above-mentioned first reading. Specifically, the first scale area 102 may include a plurality of scale lines, wherein one of the scale lines located in the middle is a 0 scale line, when the end surface of the support unit 20 inserted into the threaded hole is located at the 0 scale line position, which indicates that the support unit 20 has a first length, the end surface of the support unit 20 may continue to approach the center of the fixed disk 10, and when the end surface is located at a certain scale line position, a first reading may be read, and the actual length of the support unit 20 is the difference between the first length and the first reading; if the end face of the support unit 20 moves from the 0-scribed line position to a position away from the center of the fixed disk 10, when in a certain scribed line position, another first reading can be taken, and the actual length of the support unit 20 is the sum of the first length and the other first reading.
The support unit 20 includes a support rod 210, a ball screw 220, and a locking structure 230. The first end of the support rod 210 is connected with the fixed plate 10 by screw thread, the second end is connected with the screw rod part 222 of the ball screw 220 by screw thread, the ball 221 of the ball screw 220 is accommodated in the concave hole of the locking structure 230, and the locking structure 230 is used for being fixed on the blade root bolt 40.
The support rod 210 is provided at both ends thereof with threads, for example, but not limited thereto, a first end connected to the fixed plate 10 may be provided with external threads, and a second end connected to the ball screw 220 may be provided with external or internal threads. By way of example, the second end, shown attached to the ball screw 220, is provided with internal threads.
The supporting rod 210 may be an integral structure, or may be formed by assembling the first link 211 and the second link 212 into an integral structure, or of course, may also be formed by assembling a plurality of first links 211 and a plurality of second links 212, and for convenience of description, the embodiment selects an example in which the supporting rod 210 is formed by assembling one first link 211 and one second link 212. Preferably, the first link 211 and the second link 212 may be connected by a screw thread, but not limited thereto. The outer peripheral surface of the support rod 210 is formed with a plane for clamping by a clamping tool, and the plane may be disposed on the first link 211 or the second link 212, and the plane is disposed on the second link 212 in the drawing for illustration.
The second scale area 2101 is arranged on the outer peripheral surface of the second end of the support rod 210, the third scale area 2221 on the outer peripheral surface of the screw rod part 222 of the ball screw rod 220 connected with the support rod 210, the ball screw rod 220 and the support rod 210 rotate relatively, when a certain scale line passing through the second scale area 2101 is positioned at a certain scale line position of the third scale area 2221, a second reading can be read, and the second reading can display the extending length or the retracting length of the ball screw rod 220 relative to the second connecting rod 212.
Referring to fig. 5, the supporting unit 20 is configured such that the length of the supporting unit 20 can be read through the second reading only when the second end of the supporting rod 210 is in threaded connection with the ball screw 220, i.e., the length between the two is adjustable. Specifically, the second scale region 2101 may have a single scale line, and the third scale region 2221 may have a plurality of scale lines uniformly arranged along the outer circumferential surface of the screw part 222, wherein there are 0 scale lines, when the scale line of the second scale region 2101 is located at the 0 scale line position, it indicates that the supporting unit 20 has a second length, and when the scale line of the second scale region 2101 is located at a certain scale line position on the left side of the 0 scale line, if the screw part 222 is partially retracted into the second end of the supporting rod 210 in the process, a second reading may be read, and the actual length of the supporting unit 20 is the difference between the second length and the second scale. Of course, in the above process, the screw part 222 may also be configured to extend from the second end of the support rod 210, and the actual length of the support unit 20 is the sum of the second length and the second scale. Similarly, when the scribed line of the second graduated area 2101 is located at a certain scribed line position on the right side of the 0 scribed line, the calculation method of the actual length of the support unit 20 is the same as that described above and will not be described again.
As shown in the drawing, in the case that both ends of the support rod 210 are respectively connected with the fixed disk 10 and the ball screw 220 through threads and are formed in a length-adjustable connection, the length of the entire support unit 20 can be displayed by combining the first reading and the second reading. Specifically, when the end surfaces of the two ends of the supporting rod 210 are located at the two 0-scribed line positions, respectively, the length of the whole supporting unit 20 may be a third length, and the relative positions of the two ends of the supporting rod 210, the fixed disk 10 and the ball screw 220 are adjusted, so as to read the first reading and the second reading, and at this time, the actual length of the supporting unit 20 is the third length ± the first reading ± the second reading, and can be read according to the actual situation.
Under the condition that a blade root flange is deformed, in an initial state, the deformation-preventing tool for the blades of the wind generating set is installed on a blade root bolt 40, the roundness of the blade root flange is measured through a laser range finder or a tape measure, the difference between the actual length of each supporting unit 20 and the theoretical required length is known, then the first reading and the second reading of each supporting unit 20 are adjusted through rotating a ball screw 220 and/or a supporting rod 210 until each supporting unit 20 displays the same length, the adjustment of the roundness of the blade root is completed, and finally, the rechecking can be carried out through the measurement of the laser range finder or the tape measure again.
Under the condition that the blade root flange is not deformed, in the process of installing each supporting unit 20, the rotary ball screw rod 220 extends or retracts relative to the second connecting rod 212, and the first reading and the second reading of each supporting unit 20 are adjusted until each supporting unit 20 displays the same length, which indicates that the fixed disc 10 is located at the center of the circle of the blade root flange, and the roundness adjustment of the blade root is also completed.
The ball screw 220 further includes a clamping portion 223 for clamping by a clamping tool, the clamping portion 223 is located between the ball 221 and the screw portion 222, and the cross section of the clamping portion 223 is polygonal, for example, but not limited to, regular hexagon.
The locking structure 230 may include a first locking module 231 fixedly coupled to the root bolt 40 and a second locking module 232 coupled to the ball screw 220, wherein the first locking module 231 includes an L-shaped baffle plate, and an edge of a first side of the baffle plate is inwardly recessed to form a first half groove 2311 for receiving the root bolt 40. The locking structure 230 further includes a clamp block 233 having a second half-slot 2331, the clamp block 233 abutting the edge of the first edge of the fence such that the first and second half- slots 2311, 2331 are formed as through holes matching the outer circumference of the root bolt 40 with their center lines parallel to the second edge of the fence. The edge of the end of the second edge of the baffle, which is far away from the first edge, protrudes outwards to form a T-shaped protrusion 2312, and the side of the second locking module 232, which is far away from the concave hole, is formed with a T-shaped groove matched with the T-shaped protrusion 2312.
After the deformation-preventing tool for the blades of the wind generating set and the blade root bolt 40 are fixed, the potential safety hazard of falling is avoided, and compared with a jack which is supported on an inner side baffle of the blade root in the prior art, the safety is improved. In addition, by adjusting the root bolts 40, the stress directly applied to the root flange can be dispersed, and the flange is not directly supported like a jack, so that deformation is generated due to stress concentration.
In this embodiment, for the sake of simplicity, the drawing shows that the first locking module 231 is provided with a first half-groove 2311, and the corresponding clamp block 233 is also provided with a second half-groove 2331, actually, two or three or more first half-grooves 2311 of the first locking module 231 may be provided according to the requirement, and the blade root bolt 40 may be fixed in a proper one of the first half-grooves 2311 when in use. Similarly, the second half-slots 2331 on the second locking module 232 may be provided in two or three or more.
Of course, as required, the second limit of baffle can also be formed into the lug that has other shapes, and the one side that deviates from the shrinkage pool of second locking module 232 is formed with recess 2321 with the second limit of this baffle cooperatees, and the shape of recess 2321 is unrestricted, as long as can cooperate with first locking module 231, forms the support to the blade root bolt 40 of blade, all is in the protection scope of the utility model.
The locking structure 230 further includes a pressing block 234 engaged with the second locking module 232, the pressing block 234 is provided with a through hole 2341, the screw rod portion 222 of the ball screw 220 can pass through the through hole 2341, and the ball 221 is clamped in the through hole 2341. Preferably, the through hole 2341 is a circular hole, the cross section of the screw rod portion 222 is circular, the diameter of the cross section of the screw rod portion 222 is not greater than that of the through hole 2341, and the diameter of the through hole 2341 is smaller than that of the ball head 221. The shaft portion 222 is inserted into the through hole 2341, and the pressing piece 234 is engaged with the recessed hole, so that the ball 221 is rotatably engaged in the recessed hole, for example, but not limited to, the pressing piece 234 may be fixed to the side of the second locking module 232 having the recessed hole by a fastener.
The assembling method of the deformation-preventing tool for the blade of the wind generating set can have various steps, and the embodiment is only taken as an example for convenience in understanding. The assembling method of the deformation-preventing tool for the wind generating set blade may include a fixing step of the first locking module 231, an assembling step of the support rod 210 and the second locking module 232, and a butting step of the first locking module 231 and the second locking module 232, wherein the fixing step of the first locking module 231 and the assembling step of the support rod 210 and the second locking module 232 may be performed simultaneously, or one step may be completed before another step is performed, and the two steps are not limited to primary and secondary steps. The specific introduction is as follows:
fixing of the first locking module 231: the first locking module 231 and the clamp 233 are butted so that the first locking module 231 is fastened to the outer circumference of the root bolt 40. For example, but not limiting of, the first locking module 231 and the clamp block 233 may be connected by fasteners.
Assembling the support rod 210 and the second locking module 232: the support rod 210 is connected to the fixing plate 10, the screw rod portion 222 is inserted into the through hole 2341 of the pressing block 234, the screw rod portion 222 is connected to the support rod 210, and the pressing block 234 is connected to the side of the second locking module 231 having the concave hole, so that the ball head 221 is rotatably clamped in the concave hole.
Docking of the first locking module 231 and the second locking module 232: the ball screw 220 is rotated to retract the screw portion 222 into the supporting rod 210 until the groove 2321 of the first locking module 231 faces the T-shaped protrusion 2312 of the first locking module 231, and then the ball screw 220 is rotated in the opposite direction to extend the screw portion 222 out of the supporting rod 210 until the T-shaped protrusion 2312 is clamped in the groove 2321 and the T-shaped protrusion 2312 abuts against the bottom of the groove 2321. In the process of rotating the ball screw 220, a clamping tool may be used to clamp the flat surface 2102 of the support rod 210, so that the support rod 210 may be prevented from rotating with the ball screw 220. It is understood that, in the process of rotating the ball screw 220, another clamping tool may be used to clamp the clamping portion 223 of the ball screw 220.
In the assembling process of the anti-deformation tool for the wind generating set blade, in order to improve the assembling efficiency on site, a part of the supporting rods 210 may be installed on the fixed disk 10 in a workshop in advance, and then fixed on the blade root bolt 40, and then the remaining supporting rods 210 are assembled, for example, but not limited to, the anti-deformation tool for the wind generating set blade may include 8 supporting rods 210 uniformly arranged along the circumferential direction of the fixed disk 10, 4 supporting rods 210 may be installed on the fixed disk 10 before being installed on the blade, and then the remaining 4 supporting rods 210 may be installed after the anti-deformation tool for the wind generating set blade is fixed on the blade root, but not limited thereto, for example, 3 supporting rods 210 or 5 supporting rods 210 may also be installed in advance.
Under the condition that the blade is deformed, after the supporting units 20 are installed, the length of each supporting unit 20 is read, the roundness of a flange of the blade root is measured through a laser range finder or a tape measure, the deformation deviation is determined to determine the distance of each supporting unit 20 to be adjusted, then the deviation is accurately adjusted through rotating the ball screw 220 and the supporting rod 210, and the adjusting efficiency is improved.
The utility model provides a deformation frock of preapring for an unfavorable turn of events of wind generating set blade can support on the blade root bolt 40 of blade, prevents effectively that the blade from taking place to warp to just also to a certain extent, improved the group of blade to efficiency. On the other hand, the length of the supporting unit 20 can be accurately read through the scale between the ball screw 220 and the supporting rod 210 and the scale on the fixed disk 10, so that the roundness adjusting efficiency is improved, and the roundness precision can be conveniently read through the scale.
In order to facilitate lifting, the anti-deformation tool for the blades of the wind generating set further comprises a rotary lifting ring 30, the rotary lifting ring 30 is connected to one side of the fixed disc 10 through a pivot shaft, lifting holes 31 for lifting are formed in the rotary lifting ring 30, the blades are lifted through the rotary lifting ring 30, stress of blade root parts is uniformly dispersed to each blade root bolt 40, uneven stress of the blade roots of the hanging ring is prevented, and therefore secondary deformation in the lifting process is avoided.
The described features, structures, or characteristics of the invention may be combined in any suitable manner in one or more embodiments. In the description above, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
Claims (10)
1. The utility model provides a wind generating set blade's deformation frock of preapring for an unfavorable turn of events, its characterized in that includes fixed disk (10) and edge a plurality of supporting element (20) that the circumference of fixed disk (10) set up, supporting element (20) include:
a support rod (210) extending outward along the circumferential direction of the fixed plate (10), and a first end of the support rod (210) is connected with the fixed plate (10),
the ball head screw rod (220) comprises a ball head (221) and a screw rod part (222) fixedly connected with the ball head (221), and the screw rod part (222) is connected with the second end of the supporting rod (210);
a locking structure (230) detachably fixed to a blade root bolt (40) of the blade, the locking structure (230) having a recess for receiving the ball head (221), and the ball head (221) being capable of being snapped into the recess,
wherein, at least one end of the support rod (210) is in threaded connection.
2. The deformation preventing tool for the blades of the wind generating set according to claim 1, wherein a plurality of threaded holes are formed in the periphery of the fixed disc (10), an observation hole (101) is formed in the peripheral wall of each threaded hole, a first scale area (102) is arranged on the peripheral surface of each threaded hole, a plurality of scribed lines are arranged in the first scale area (102) along the extending direction of each threaded hole, and an external thread matched with the threaded holes is formed in the first end of the supporting rod (210).
3. The deformation preventing tool for the blade of the wind generating set according to claim 1, wherein a clamping portion (223) is arranged on the ball-end screw rod (220), the clamping portion (223) is located between the ball end (221) and the screw rod portion (222), and the outer peripheral surface of the clamping portion (223) is provided with a plane for clamping.
4. The deformation preventing tool for the blade of the wind generating set according to claim 1, wherein the second end of the supporting rod (210) is in threaded connection with the threaded rod part (222), a second scale area (2101) is arranged on the outer peripheral surface of the second end of the supporting rod (210), a third scale area (2221) is arranged at one end of the threaded rod part (222) facing the ball head (221),
the second scale area (2101) is provided with a plurality of scales and is uniformly distributed on the outer peripheral surface of the support rod (210), the third scale area (2221) is provided with one scale, or the second scale area (2101) is provided with one scale, and the third scale area (2221) is provided with a plurality of scales and is uniformly distributed on the outer peripheral surface of the wire rod part (222).
5. The deformation preventing tool for the blades of the wind generating set according to claim 1, wherein the supporting rod (210) comprises a first connecting rod (211) and a second connecting rod (212) which are connected with each other, the ends of the first connecting rod (211) and the second connecting rod (212) which are away from each other are respectively connected to the fixed disc (10) and the ball screw rod (220), and a plane (2102) for clamping is arranged on the outer peripheral surface of at least one of the first connecting rod (211) and the second connecting rod (212).
6. The deformation preventing tool for the blade of the wind generating set according to claim 1, wherein the locking structure (230) comprises a first locking module (231) fixed on the blade root bolt (40) and a second locking module (232) connected to the ball screw (220), a groove (2321) is formed in one side of the second locking module (232) facing away from the recessed hole, and at least a part of the first locking module (231) is clamped in the groove (2321).
7. The anti-deformation tooling for the blade of the wind generating set according to claim 6, wherein the first locking module (231) comprises an L-shaped baffle, the edge of the first edge of the baffle is recessed inwards to form a first half groove (2311) for accommodating the blade root bolt (40), the center line of the first half groove (2311) is parallel to the second edge of the baffle, the edge of the second edge is protruded outwards to form a T-shaped lug (2312), and the groove (2321) on the second locking module (232) is a T-shaped groove matched with the T-shaped lug (2312).
8. The anti-deformation tooling for the blade of the wind generating set according to claim 7, wherein the locking structure (230) further comprises a clamp block (233), the clamp block (233) has a second half-groove (2331) matched with the first half-groove (2311), and the clamp block (233) is butted against the first edge to be fixed on the periphery of the blade root bolt (40).
9. The deformation preventing tool for the blade of the wind generating set according to claim 6, wherein the locking structure (230) further comprises a pressing block (234), the pressing block (234) is provided with a through hole (2341) for the wire rod portion (222) to pass through, the diameter of the through hole (2341) is smaller than that of the ball head (221), the pressing block (234) is arranged on the side of the second locking module (232) with the concave hole, and the concave hole is communicated with the outside through the through hole (2341).
10. The deformation preventing tool for the blades of the wind generating set according to any one of claims 1 to 9, wherein the deformation preventing tool for the blades of the wind generating set further comprises a rotary lifting ring (30), and the rotary lifting ring (30) is pivotally connected to the fixed disc (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020078200.XU CN211397771U (en) | 2020-01-14 | 2020-01-14 | Anti-deformation tool for blades of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020078200.XU CN211397771U (en) | 2020-01-14 | 2020-01-14 | Anti-deformation tool for blades of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211397771U true CN211397771U (en) | 2020-09-01 |
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| CN202020078200.XU Active CN211397771U (en) | 2020-01-14 | 2020-01-14 | Anti-deformation tool for blades of wind generating set |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479004A (en) * | 2020-12-11 | 2021-03-12 | 江苏常友环保科技股份有限公司 | Cabin cover overturning tool and overturning method thereof |
| CN112761869A (en) * | 2020-12-31 | 2021-05-07 | 华能国际电力开发公司吉林通榆风电分公司 | Wind turbine generator control mechanism and working method thereof |
| CN113103214A (en) * | 2021-04-09 | 2021-07-13 | 株洲时代新材料科技股份有限公司 | Wind power blade root baffle installation equipment and installation method |
| CN113878511A (en) * | 2021-09-26 | 2022-01-04 | 厦门双瑞风电科技有限公司 | Wind-powered electricity generation blade back shroud is with supporting and location installation frock |
| CN114393535A (en) * | 2022-03-14 | 2022-04-26 | 厦门双瑞风电科技有限公司 | Wind power blade deformation prevention and trial assembly tool and hub trial assembly method thereof |
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2020
- 2020-01-14 CN CN202020078200.XU patent/CN211397771U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479004A (en) * | 2020-12-11 | 2021-03-12 | 江苏常友环保科技股份有限公司 | Cabin cover overturning tool and overturning method thereof |
| CN112761869A (en) * | 2020-12-31 | 2021-05-07 | 华能国际电力开发公司吉林通榆风电分公司 | Wind turbine generator control mechanism and working method thereof |
| CN112761869B (en) * | 2020-12-31 | 2022-04-08 | 华能国际电力开发公司吉林通榆风电分公司 | Wind turbine generator control mechanism and working method thereof |
| CN113103214A (en) * | 2021-04-09 | 2021-07-13 | 株洲时代新材料科技股份有限公司 | Wind power blade root baffle installation equipment and installation method |
| CN113878511A (en) * | 2021-09-26 | 2022-01-04 | 厦门双瑞风电科技有限公司 | Wind-powered electricity generation blade back shroud is with supporting and location installation frock |
| CN114393535A (en) * | 2022-03-14 | 2022-04-26 | 厦门双瑞风电科技有限公司 | Wind power blade deformation prevention and trial assembly tool and hub trial assembly method thereof |
| CN114393535B (en) * | 2022-03-14 | 2023-11-21 | 厦门双瑞风电科技有限公司 | Wind power blade deformation prevention and trial assembly tool and hub trial assembly method thereof |
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