CN113883012A - Connecting device for assembling blade and wind turbine generator - Google Patents
Connecting device for assembling blade and wind turbine generator Download PDFInfo
- Publication number
- CN113883012A CN113883012A CN202111135168.XA CN202111135168A CN113883012A CN 113883012 A CN113883012 A CN 113883012A CN 202111135168 A CN202111135168 A CN 202111135168A CN 113883012 A CN113883012 A CN 113883012A
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- Prior art keywords
- wind turbine
- blade
- fixing
- limiting column
- fixing base
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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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 invention discloses a connecting device for assembling a blade and a wind turbine generator, which comprises a first flange plate and a second flange plate, wherein the first flange plate is fixedly connected with the wind turbine generator, the second flange plate is fixedly connected with the blade, a first fixing seat is arranged on the first flange plate, a second fixing seat is arranged on the second flange plate, a limiting column is rotatably connected on the first fixing seat, a circular truncated cone section is arranged at the end part of the limiting column, a positioning block is also arranged on the limiting column along the circumferential direction, a limiting groove for inserting the limiting column and the circular truncated cone section is arranged on the second fixing seat, and a positioning groove for inserting the positioning block is also arranged on the side wall of the limiting groove; still include actuating mechanism, actuating mechanism is connected with spacing post and is used for driving spacing post and rotates relatively first fixing base. The method and the device can reduce the difficulty of butt joint operation of the blade and the wind turbine generator.
Description
Technical Field
The invention belongs to the field of power equipment, and particularly relates to a connecting device for assembling a blade and a wind turbine generator.
Background
Wind power generation is a clean energy power generation technology, and the equipment generally comprises a wind generating set, a wind power blade, a tower for supporting the generating set, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like. Due to the characteristics of large volume, heavy weight and the like of wind power generation equipment, the operation is complex and more dangerous sources exist during field assembly, for example, when the wind power blade and the wind power generator unit are assembled in the prior art, large-scale hoisting equipment is needed to hoist the wind power blade to a proper height for assembly, and the process has clear requirements on the specification of the hoisting equipment, the wind power of the working environment and the arrangement of field observation commanders. Generally, a first flange plate is arranged on a wind turbine generator in the prior art, a second flange plate is arranged on a blade, a first fixing seat is arranged on the first flange plate, a second fixing seat is arranged on the second flange plate, and the first fixing seat and the second fixing seat are aligned and attached to each other to be in contact with each other and then fixedly connected through bolts during assembly. Because wind-powered electricity generation blade easily rocks under the state of hoisting, be difficult to directly aim at first fixing base and second fixing base and laminating the contact, consequently convex locating part (generally be cylinder or cuboid) before being equipped with on first fixing base is equipped with on the second fixing base with locating part complex spacing groove, only need like this with the locating part plug-in to spacing groove in, just can avoid the relative wind turbine generator system of blade to take place radially to rock, reduce the assembly degree of difficulty to a certain extent.
However, the existing method still has quite high operation difficulty, and for an operator, the method still has quite high danger, firstly, the alignment insertion of the limiting member and the limiting groove has certain difficulty under the condition that the fan blade shakes (especially, the alignment insertion operation difficulty is higher when the limiting member is a cuboid), when the limiting member is a cylinder, the blade may circumferentially rotate relative to the wind turbine generator after the butt joint insertion is successful, and the alignment operation of the threaded holes on the first fixing seat and the second fixing seat is not facilitated. In addition, the problem that the first fixing seat and the second fixing seat are easy to loosen in a threaded fixed connection mode in the prior art is solved, axial displacement of the blades relative to the wind turbine generator is easy to cause, and the blades can even fall off when wind power is large and the rotating speed of the blades is high, so that major accidents and losses are caused.
Disclosure of Invention
The invention aims to provide a connecting device for assembling a blade and a wind turbine generator, which can effectively solve the problem that the blade and the wind turbine generator are difficult to align and stabilize during assembly in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: a connecting device for assembling a blade and a wind turbine generator comprises a first flange plate and a second flange plate, wherein the first flange plate is fixedly connected with the wind turbine generator, the second flange plate is fixedly connected with the blade, a first fixing seat is arranged on the first flange plate, a second fixing seat is arranged on the second flange plate, a limiting column is rotatably connected onto the first fixing seat, a circular truncated cone section is arranged at the end part of the limiting column, a positioning block is further arranged on the limiting column along the circumferential direction, a limiting groove for inserting the limiting column and the circular truncated cone section is formed in the second fixing seat, and a positioning groove for inserting the positioning block is further formed in the side wall of the limiting groove; still include actuating mechanism, actuating mechanism is connected with spacing post and is used for driving spacing post relative first fixing base and rotates.
Preferably, a fixed disc is arranged on the first fixed seat, an open slot for the rotation and insertion of the limiting column is formed in the fixed disc, an annular groove communicated with the open slot is formed in the end face of the fixed disc along the circumference of the open slot, a fixed cover is detachably covered on the fixed disc, and an avoiding through hole for avoiding the limiting column and the positioning block is formed in the fixed cover; the annular is cooperateed with fixed lid internal surface and is formed spacing annular, spacing post is equipped with the annular arch of rotation connection in spacing annular along circumference. Spacing post rotates to be connected on first fixing base through the fixed disk like this, and detachably is connected between spacing post and the fixed disk, the dismouting of being convenient for, maintenance and maintenance to through spacing annular to the bellied limiting displacement of annular, can prevent that spacing post from droing from the fixed disk.
Preferably, actuating mechanism includes driving motor and connects the drive fluted disc at the driving motor output shaft, the bellied outer lane face of annular is equipped with the ring gear, the clearance has between the bottom of ring gear and spacing annular, the part or whole of drive fluted disc stretch into to the clearance in and with ring gear meshing transmission. The driving fluted disc is controlled to rotate by the driving motor, and the annular protrusions are driven to rotate by the meshing transmission of the driving fluted disc and the gear ring, so that the limiting columns can be driven to rotate relative to the fixed disc. When the driving motor stops, the limiting column can stop rotating and is fixed relative to the fixed disc.
Preferably, an accommodating cavity for accommodating a driving mechanism is formed in the fixed disc, and the driving mechanism is located in the fixed disc. Therefore, the driving mechanism does not protrude out of the fixed disc, and the attachment and fixation between the first fixed seat and the second fixed seat are not influenced.
Preferably, the second fixing seat is provided with an accommodating groove for accommodating the fixing disc.
Preferably, the driving mechanism further comprises a remote controller for remotely controlling the start and stop of the driving motor. Therefore, an operator does not need to perform contact operation on the driving motor, and then the operator does not need to physically extend out of the wind turbine generator for operation, so that the danger in the butt joint operation process can be obviously and effectively reduced, and the personal safety is practically guaranteed.
Preferably, the first fixing seat and the second fixing seat are fixedly connected through bolt threads.
Preferably, the one side that first fixing base deviates from the second fixing base is equipped with first welding piece, the one side that the second fixing base deviates from first fixing base is equipped with second welding piece, the fixed solid fixed ring that is equipped with on the second welding piece, set up the first screw hole of intercommunication on first welding piece, first fixing base, second welding piece and the solid fixed ring, first screw hole internal rotation is twisted there is first bolt, and first bolt and first screw hole cooperation are with first fixing base and second fixing base screw thread fixed connection. Establish first welding piece, second welding piece and solid fixed ring through adding, can improve threaded connection's fastening nature between first fixing base and the second fixing base, can reduce the possibility that first fixing base and second fixing base take place the pine to take off to a certain extent.
Preferably, first bolt includes the screw rod, follows the radial second screw hole that has all seted up of solid fixed ring and screw rod to when the screw rod was screwed in first screw hole, the second screw hole on the solid fixed ring was linked together with the second screw hole on the screw rod, the second screw hole internal rotation has the second bolt, the second bolt is used for preventing first bolt not hard up with the cooperation of second screw hole. Add the second bolt of establishing and produce limiting displacement along the screw rod axial to the screw rod, can prevent that the screw rod from producing the removal along the axial, and then can prevent that first bolt is not hard up, effectively avoids taking place between first fixing base and the second fixing base not hard up, and then avoids the relative wind turbine generator system of fan blade to take place the accident and drop.
Preferably, a distance is formed between the end faces of the positioning block and the limiting column, and one end of the positioning block, which faces the second fixing seat, is arc-shaped. Through the guide of round platform section, spacing post can realize pegging graft with the spacing groove fast conveniently, but the locating piece can not directly accomplish with the constant head tank and aim at the grafting, consequently sets up one section interval between locating piece and spacing post terminal surface, can guarantee that the tip part of spacing post can insert partly in the spacing groove, realizes radially spacing to the second fixing base, prevents that the second fixing base from taking place radial run-out again relative to first fixing base. Secondly set up the locating piece tip into the arc, can reduce the area of contact on locating piece and second fixing base surface, reduce the friction of locating piece and second fixing base like this at the in-process of rotating spacing post, make things convenient for the alignment operation of locating piece and constant head tank.
Compared with the prior art, the invention has the following beneficial effects:
1. by arranging the circular platform section, when the limiting column is aligned with and spliced with the limiting groove, the end part diameter of the circular platform section is far smaller than the inner diameter of the limiting groove, so that splicing can be carried out without aligning the central axis of the limiting column with the central axis of the limiting groove;
2. the driving mechanism drives the limiting column to rotate, so that the positioning block and the positioning groove can be quickly inserted in an aligned mode, and the blades cannot circumferentially rotate relative to the limiting column;
3. the rotation of the spacing post relative to the first fixing base is driven by the driving mechanism, so that after the corresponding splicing of the spacing post, the positioning block, the spacing groove and the positioning groove is completed, the driving mechanism stops acting, the spacing post is fixed relative to the first fixing base, the second fixing base and the first fixing base are fixed relatively, the tightening operation of subsequent bolts is facilitated, and the assembling difficulty of the blade and the wind turbine generator is reduced.
Drawings
FIG. 1 is a schematic structural view of a connecting device for assembling a blade and a wind turbine generator set, provided by the invention;
FIG. 2 is a schematic structural view of the connecting device provided by the invention after assembly;
FIG. 3 is a front view of a second flange of the present invention;
FIG. 4 is a radial sectional view of the fixing plate and the limiting post of the present invention;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4;
FIG. 6 is a schematic structural view of a first bolt, a second bolt and a retaining ring according to the present invention.
Wherein: 1. the novel flange plate comprises a first flange plate, 10 parts of a first fixed seat, 100 parts of a limiting column, 101 parts of a circular table section, 102 parts of a positioning block, 103 parts of an annular protrusion, 11 parts of a fixed disc, 110 parts of an open slot, 111 parts of a limiting ring groove, 112 parts of an accommodating cavity, 12 parts of a fixed cover, 13 parts of a first welding block, 2 parts of a second flange plate, 20 parts of a second fixed seat, 200 parts of a limiting groove, 201 parts of a positioning groove, 202 parts of an accommodating groove, 21 parts of a second welding block, 22 parts of a fixed ring, 3 parts of a driving mechanism, 30 parts of a driving motor, 31 parts of a driving fluted disc, 32 parts of a gear ring, 4 parts of a first bolt and 5 parts of a second bolt.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In addition, the meaning of "a plurality" in the present invention is at least two, e.g., two, three, etc., unless specifically limited otherwise.
Example (b): as shown in fig. 1 and fig. 2, the connecting device for assembling the blade and the wind turbine provided in this embodiment includes a first flange 1 used for being fixedly connected with the wind turbine and a second flange 2 used for being fixedly connected with the blade, a first fixing seat 10 is provided on the first flange 1, a second fixing seat 20 is provided on the second flange 2, wherein the first fixing seat 10 is welded on the first flange 1, the second fixing seat 20 is welded on the second flange 2, and a plurality of reinforcing ribs are welded between the first fixing seat 10 and the first flange 1 and between the second fixing seat 20 and the second flange 2, so as to ensure the connection stability. The first fixing seat 10 is rotatably connected with a limiting column 100, the end of the limiting column 100 is provided with a circular truncated cone section 101, it should be noted that the circular truncated cone section 101 can be fixedly connected to the end of the limiting column 100 by welding or clamping, or the limiting column 100 and the circular truncated cone section 101 can be directly integrally formed during processing, the diameter of the bottom surface of the circular truncated cone section 101 is the same as that of the limiting column 100, and then the diameter is gradually reduced along the direction from the bottom surface of the circular truncated cone section 101 to the end surface. As shown in fig. 3, a limiting groove 200 for inserting the limiting column 100 and the circular truncated cone section 101 is formed in the second fixing seat 20, so that when the limiting column 100 is aligned with the limiting groove 200 for insertion, the end diameter of the circular truncated cone section 101 is far smaller than the inner diameter of the limiting groove 200, the central axis of the limiting column 100 is not required to be aligned with the central axis of the limiting groove 200 for insertion, after the circular truncated cone section 101 is inserted into the limiting groove 200, the circular truncated cone section 101 is matched with the inner wall of the limiting groove 200 to guide the second fixing seat 20, and the limiting column 100 can be rapidly and conveniently inserted into the limiting groove 200.
In this embodiment, the positioning blocks 102 are further disposed on the limiting column 100 along the circumferential direction, specifically, in this embodiment, four positioning blocks 102 are disposed, and are uniformly distributed along the circumferential direction of the limiting column 100, and the side wall of the limiting groove 200 is further provided with positioning grooves 201 for the positioning blocks 102 to be inserted into. Still include actuating mechanism 3, actuating mechanism 3 is connected with spacing post 100 and is used for driving spacing post 100 and rotates relative first fixing base 10. The driving mechanism 3 drives the position-limiting column 100 to rotate, so that the positioning block 102 can be quickly inserted into the positioning groove 201 in an aligned manner, and the vane cannot rotate circumferentially relative to the position-limiting column 100. In addition, the driving mechanism 3 drives the limiting column 100 to rotate relative to the first fixing seat 10, so that after the corresponding insertion of the limiting column 100, the positioning block 102, the limiting groove 200 and the positioning groove 201 is completed, the driving mechanism 3 stops acting, the limiting column 100 can be controlled to be fixed relative to the first fixing seat 10, the second fixing seat 20 and the first fixing seat 10 are fixed relative to each other, the subsequent screwing and fastening operation of bolts is facilitated, and the assembly difficulty of the blades and the wind turbine generator is reduced.
As shown in fig. 4 and 5, in the present embodiment, the rotation connection between the position-limiting column 100 and the first fixing seat 10 is realized through the following structures, which are specifically described as follows: a fixed disc 11 is arranged on the first fixed seat 10, an open slot 110 for the rotation insertion of the limiting column 100 is formed in the fixed disc 11, an annular slot communicated with the open slot 110 is formed in the end surface of the fixed disc 11 along the circumference of the open slot 110, a fixed cover 12 is detachably covered on the fixed disc 11, and an avoiding through hole for avoiding the limiting column 100 and the positioning block 102 is formed in the fixed cover 12; the ring groove and the inner surface of the fixed cover 12 are matched to form a limiting ring groove 111, and the limiting column 100 is provided with an annular bulge 103 which is rotatably connected in the limiting ring groove 111 along the circumferential direction. Spacing post 100 rotates through fixed disk 11 and connects on first fixing base 10 like this, and detachably is connected between spacing post 100 and the fixed disk 11, the dismouting of being convenient for, maintenance and maintenance to through spacing annular 111 to the bellied 103 limiting displacement of annular, can prevent that spacing post 100 from droing from fixed disk 11.
In this embodiment, the driving mechanism 3 includes a driving motor 30 and a driving fluted disc 31 connected to an output shaft of the driving motor 30, a toothed ring 32 is disposed on an outer ring surface of the annular protrusion 103, a gap is formed between the toothed ring 32 and a bottom end of the limit ring groove 111, and a part or all of the driving fluted disc 31 extends into the gap and is in meshing transmission with the toothed ring 32. The driving fluted disc 31 is controlled to rotate by the driving motor 30, and the annular protrusions 103 are driven to rotate by the meshing transmission of the driving fluted disc 31 and the gear ring 32, so that the limiting columns 100 can be driven to rotate relative to the fixed disc 11. When the driving motor 30 stops, the limiting column 100 stops rotating and is fixed relative to the fixed disk 11. As shown in fig. 4 and 5, the fixed disk 11 is provided with an accommodating cavity 112 for accommodating the driving mechanism 3, the driving mechanism 3 is located inside the fixed disk 11, and the second fixing seat 20 is provided with an accommodating groove 202 for accommodating the fixed disk 11. Therefore, the driving mechanism 3 does not protrude out of the fixed disk 11, and the fitting and fixing between the first fixed seat 10 and the second fixed seat 20 are not affected. Further, the driving mechanism 3 in this embodiment further includes a remote controller for remotely controlling the start and stop of the driving motor 30. Therefore, an operator does not need to perform contact operation on the driving motor 30, and then does not need to physically extend out of the wind turbine generator for operation, so that the danger in the butt joint operation process can be obviously and effectively reduced, and the personal safety is practically guaranteed.
In this embodiment, a distance is formed between the positioning block 102 and the end surface of the position-limiting post 100, and one end of the positioning block 102 facing the second fixing seat 20 is arc-shaped. Through the guide of the circular platform section 101, the limiting column 100 can be quickly and conveniently inserted into the limiting groove 200, but the positioning block 102 cannot be directly aligned with the positioning groove 201 to be inserted into the limiting groove, so that a distance is arranged between the positioning block 102 and the end face of the limiting column 100, the end part of the limiting column 100 can be ensured to be inserted into one part of the limiting groove 200, the second fixing seat 20 is limited along the radial direction, and the second fixing seat 20 is prevented from radially jumping relative to the first fixing seat 10. Secondly, the end of the positioning block 102 is set to be arc-shaped, so that the contact area between the positioning block 102 and the surface of the second fixing seat 20 can be reduced, the friction between the positioning block 102 and the second fixing seat 20 is reduced in the process of rotating the limiting column 100, and the alignment operation between the positioning block 102 and the positioning groove 201 is facilitated.
The first fixing seat 10 and the second fixing seat 20 are fixedly connected through the bolt threads, if the bolt is loosened, the fan blade can shake axially relative to the wind turbine generator, great in the wind, can even cause disastrous consequence when the fan blade rotational speed is higher, consequently in order to reduce the relative wind turbine generator system's of fan blade axial after the assembly and rock, this embodiment still is equipped with first welding piece 13 in the one side that first fixing base 10 deviates from second fixing base 20, the one side that second fixing base 20 deviates from first fixing base 10 is equipped with second welding piece 21, fixed solid fixed ring 22 that is equipped with on the second welding piece 21, first welding piece 13, first fixing base 10, second fixing base 20, set up the first screw hole of intercommunication on second welding piece 21 and the solid fixed ring 22, first screw hole internal rotation has first bolt 4, first bolt 4 and the cooperation of first screw hole are with first fixing base 10 and the fixed connection of second fixing base 20 screw thread. Through adding and establishing first welding piece 13, second welding piece 21 and solid fixed ring 22, threaded connection's fastening nature between first fixing base 10 and the second fixing base 20 can be improved, the possibility that first fixing base 10 and second fixing base 20 take place the pine to take off can be reduced to a certain extent.
Further, as shown in fig. 6, the first bolt 4 in this embodiment includes a screw, and second threaded holes are opened along the radial directions of the fixing ring 22 and the screw, and when the screw is screwed in the first threaded hole, the second threaded hole on the fixing ring 22 is communicated with the second threaded hole on the screw, the second threaded hole is screwed with the second bolt 5, and the second bolt 5 is matched with the second threaded hole to prevent the first bolt 4 from loosening. Add second bolt 5 of establishing and produce limiting displacement along the screw rod axial to the screw rod, can prevent that the screw rod from producing the removal along the axial, and then can prevent that first bolt 4 is not hard up, effectively avoids taking place between first fixing base 10 and the second fixing base 20 not hard up, and then avoids the relative wind turbine generator of fan blade to take place the accident and drop.
The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (10)
1. The utility model provides a connecting device for blade and wind turbine generator system assembly, including be used for with wind turbine generator system fixed connection's first ring flange (1) and be used for with blade fixed connection's second ring flange (2), be equipped with first fixing base (10) on first ring flange (1), be equipped with second fixing base (20), its characterized in that on second ring flange (2): the first fixing seat (10) is rotatably connected with a limiting column (100), the end part of the limiting column (100) is provided with a circular truncated cone section (101), the limiting column (100) is also provided with a positioning block (102) along the circumferential direction, the second fixing seat (20) is provided with a limiting groove (200) for the limiting column (100) and the circular truncated cone section (101) to be inserted into, and the side wall of the limiting groove (200) is also provided with a positioning groove (201) for the positioning block (102) to be inserted into;
the device is characterized by further comprising a driving mechanism (3), wherein the driving mechanism (3) is connected with the limiting column (100) and is used for driving the limiting column (100) to rotate relative to the first fixing seat (10).
2. A connection device for assembling a blade with a wind turbine according to claim 1, characterised in that: the first fixing seat (10) is provided with a fixing disc (11), the fixing disc (11) is provided with an open slot (110) for the rotation and insertion of the limiting column (100), the end face of the fixing disc (11) is provided with an annular groove communicated with the open slot (110) along the circumference of the open slot (110), the fixing disc (11) is detachably covered with a fixing cover (12), and the fixing cover (12) is provided with an avoiding through hole for avoiding the limiting column (100) and the positioning block (102);
the annular is cooperateed with fixed lid (12) internal surface and is formed spacing annular (111), spacing post (100) are equipped with annular arch (103) of rotation connection in spacing annular (111) along circumference.
3. A connection device for assembling a blade with a wind turbine according to claim 2, characterised in that: actuating mechanism (3) are including driving motor (30) and connect drive fluted disc (31) on driving motor (30) output shaft, the outer lane face of annular arch (103) is equipped with ring gear (32), have the clearance between the bottom of ring gear (32) and spacing annular (111), the part or whole of drive fluted disc (31) stretch into to the clearance in and with ring gear (32) meshing transmission.
4. A connection device for assembling a blade with a wind turbine according to claim 3, characterised in that: the fixed disc (11) is provided with an accommodating cavity (112) for accommodating the driving mechanism (3), and the driving mechanism (3) is positioned in the fixed disc (11).
5. A connection device for assembling a blade with a wind turbine according to claim 4, characterized in that: and the second fixing seat (20) is provided with an accommodating groove (202) for accommodating the fixing disc (11).
6. A connection device for assembling a blade with a wind turbine according to claim 3, characterised in that: the driving mechanism (3) further comprises a remote controller for remotely controlling the starting and stopping of the driving motor (30).
7. A connection device for assembling a blade with a wind turbine according to claim 1, characterised in that: the first fixing seat (10) and the second fixing seat (20) are fixedly connected through bolt threads.
8. A connection device for assembling a blade with a wind turbine according to claim 7, characterised in that: the one side that first fixing base (10) deviates from second fixing base (20) is equipped with first welding piece (13), the one side that second fixing base (20) deviates from first fixing base (10) is equipped with second welding piece (21), fixed solid fixed ring (22) of being equipped with on second welding piece (21), set up the first screw hole of intercommunication on first welding piece (13), first fixing base (10), second fixing base (20), second welding piece (21) and solid fixed ring (22), first screw hole internal rotation is twisted and is had first bolt (4), and first bolt (4) and first screw hole cooperation are with first fixing base (10) and second fixing base (20) thread fixed connection.
9. A connection device for assembling a blade with a wind turbine according to claim 8, characterised in that: first bolt (4) include the screw rod, follow the radial second screw hole has all been seted up of solid fixed ring (22) and screw rod to when the screw rod was screwed in first screw hole, the second screw hole on solid fixed ring (22) and the second screw hole on the screw rod were linked together, second screw hole internal rotation has second bolt (5), second bolt (5) are used for preventing first bolt (4) not hard up with the cooperation of second screw hole.
10. A connection device for assembling a blade with a wind turbine according to claim 1, characterised in that: a distance is reserved between the positioning block (102) and the end face of the limiting column (100), and one end, facing the second fixing seat (20), of the positioning block (102) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111135168.XA CN113883012B (en) | 2021-09-27 | 2021-09-27 | Connecting device for assembling blades and wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111135168.XA CN113883012B (en) | 2021-09-27 | 2021-09-27 | Connecting device for assembling blades and wind turbine generator |
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| CN113883012A true CN113883012A (en) | 2022-01-04 |
| CN113883012B CN113883012B (en) | 2023-08-11 |
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| CN206290364U (en) * | 2016-12-02 | 2017-06-30 | 中电博为电力工程勘测设计有限公司 | A kind of windmill type generator being easily installed |
| CN112135969A (en) * | 2018-04-02 | 2020-12-25 | 泰普爱复合材料股份有限公司 | Self-aligning pitch and yaw system for wind turbine blade rotating device |
| CN108443081A (en) * | 2018-06-14 | 2018-08-24 | 彭美江 | A kind of wind electricity blade mounting device quickly positioned |
| CN213598119U (en) * | 2020-07-31 | 2021-07-02 | 张聪慧 | Connecting flange for wind power |
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| CN113883012B (en) | 2023-08-11 |
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