CN218313036U

CN218313036U - Reset fixing device for maintaining front and rear edges of wind driven generator blade in cracking mode

Info

Publication number: CN218313036U
Application number: CN202222179060.7U
Authority: CN
Inventors: 尹晓利; 侯占伟
Original assignee: Tianjin Mingyang Wind Turbine Rotor Blade Technology Co ltd
Current assignee: Tianjin Mingyang Wind Turbine Rotor Blade Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-01-17
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a solid device that closes that resets for aerogenerator blade front and back edge fracture maintenance, including spacing frame, still include demountable installation at the inboard centre gripping subassembly of spacing frame and demountable installation at the grip block of centre gripping subassembly lateral wall, the centre gripping subassembly includes first lead screw, second lead screw, stopper, movable block and jack, first lead screw and second lead screw all rotate respectively through the bearing frame and connect at the inside top surface and the inside bottom surface of spacing frame, and fixed mounting has the stopper between the tip of first lead screw and the tip of second lead screw, the periphery of first lead screw and the periphery threaded connection of second lead screw have the movable block of sliding connection at spacing frame inner wall, the lateral wall of movable block has all constructed the jack. The operation is convenient, the generator blade can be clamped and tightly pressed on the cracked part from two sides, and the maintenance operation of the cracking of the front edge and the rear edge of the wind driven generator blade is simplified.

Description

Reset fixing device for maintaining front and rear edges of wind driven generator blade in cracking mode

Technical Field

The utility model relates to a fan blade maintenance technical field, in particular to a solid device that closes that resets that is used for aerogenerator blade front and back edge fracture maintenance.

Background

A wind power generator is a power generation method in which energy of wind is converted into mechanical energy, and the mechanical energy is used to drive a generator to convert the mechanical energy into electric energy, thereby obtaining electric power.

The fan generator blade can generate self-vibration in the operation process, the self-vibration of the fan can cause the generation of cracks, the generated parts are generally arranged at the front edge and the rear edge of the middle lower part of the integral blade, the cracks can directly cause the hidden danger of extreme accidents of the blade, in order to ensure the normal operation of the fan blade and prevent the accidents, the fan blade needs to be maintained when the cracks occur, the maintenance mode is to clamp and fix the crack of the fan blade at first to reduce the crack, and then the crack is welded.

Because the blade combination plates at the front edge and the rear edge are thin, the bonding area is small, the fixing capacity is weak, the wind power plant needs to be stopped for maintenance when the blade combination plates are cracked, the maintenance difficulty is high, the cracked part is difficult to restore the original shape, and economic loss can be brought to the wind power plant.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a solid device that closes that resets that is used for aerogenerator blade front and back edge fracture maintenance, and it is comparatively convenient to operate, can support tight generator blade compaction fracture position from both sides centre gripping fast, simplifies aerogenerator blade front and back edge fracture maintenance operation, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the reset fixing device for maintaining the front edge and the rear edge of the blade of the wind driven generator comprises a limiting frame, a clamping component and a clamping plate, wherein the clamping component is detachably arranged on the inner side of the limiting frame;

the clamping assembly comprises a first lead screw, a second lead screw, a limiting block, a moving block and jacks, the first lead screw and the second lead screw are respectively connected to the inner top surface and the inner bottom surface of the limiting frame in a rotating mode through bearing seats, the limiting block is fixedly mounted between the end portion of the first lead screw and the end portion of the second lead screw, the moving block is connected to the inner wall of the limiting frame in a sliding mode in a threaded mode in the periphery of the first lead screw and the periphery of the second lead screw in a threaded mode, and the jacks are formed in the side walls of the moving block.

Furthermore, the side wall of the clamping plate is integrally connected with a loop bar, the end part of the loop bar is inserted in the inserting column, and the inserting column is inserted in the inserting hole.

Furthermore, the surface of the clamping plate is provided with a groove, and the surface of the clamping plate is bonded with a rubber anti-skid pad.

Furthermore, the moving blocks are symmetrically arranged relative to the limiting blocks.

Further, the top fixedly connected with of first lead screw runs through the extension post at spacing frame top, and the extension post rotates with spacing frame to be connected, the top demountable installation of extension post has the dwang, and the top demountable installation of dwang has the crank.

Furthermore, the periphery of the limiting frame is integrally formed and connected with a hanging ring.

Compared with the prior art, the utility model discloses following beneficial effect has: the two clamping plates are conveniently driven to be close to or far away from each other through the arranged clamping assembly, so that the generator blade is clamped and tightly abutted from two sides, and the cracked part is pressed and bonded and restored by using special glue; through the extension post, dwang and the crank that set up, be convenient for drive first lead screw and second lead screw and rotate to drive the grip block through control centre gripping subassembly and remove, it is comparatively convenient to operate, simplifies aerogenerator blade front and back edge fracture maintenance operation.

Drawings

Fig. 1 is the utility model discloses a whole structure schematic diagram that is used for the solid device that closes that resets of aerogenerator blade front and back reason fracture maintenance.

Fig. 2 is the utility model discloses a cross-sectional view of the spacing frame that closes the device admittedly that resets that is used for the maintenance of aerogenerator blade front and back reason fracture.

Fig. 3 is a schematic structural view of the clamping plate of the resetting and fastening device for the maintenance of the front and rear edges of the blade of the wind driven generator.

In the figure: 1. a limiting frame; 2. hanging a ring; 3. a first lead screw; 4. a second lead screw; 5. a limiting block; 6. a moving block; 7. a jack; 8. inserting a column; 9. a loop bar; 10. a clamping plate; 11. a rubber non-slip mat; 12. extending the column; 13. rotating the rod; 14. a crank handle.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, the resetting and fastening device for maintaining the front and rear edges of the blade of the wind driven generator comprises a limiting frame 1, a clamping assembly detachably mounted on the inner side of the limiting frame 1, and a clamping plate 10 detachably mounted on the side wall of the clamping assembly, wherein the clamping assembly comprises a first lead screw 3, a second lead screw 4, a limiting block 5, a moving block 6 and a jack 7, the first lead screw 3 and the second lead screw 4 are respectively rotatably connected to the inner top surface and the inner bottom surface of the limiting frame 1 through a bearing seat, the limiting block 5 is fixedly mounted between the end of the first lead screw 3 and the end of the second lead screw 4, the moving block 6 slidably connected to the inner wall of the limiting frame 1 is in threaded connection with the periphery of the first lead screw 3 and the periphery of the second lead screw 4, the jack 7 is formed on the side wall of the moving block 6, a sleeve rod 9 is integrally formed on the side wall of the clamping plate 10, the end of the sleeve rod 9 is arranged inside an insertion column 8, the insertion column 8 is inserted into the jack 7, a groove is formed on the surface of the clamping plate 10, a rubber anti-slip pad 11 is arranged on the surface of the clamping plate 10, and a limiting block 2 is symmetrically arranged on the periphery of the limiting frame 1.

In order to conveniently and manually control the clamping assembly and simplify the repairing operation, as shown in fig. 1 and 2, the top of the first lead screw 3 is fixedly connected with an extension column 12 which penetrates through the top of the limiting frame 1, the extension column 12 is rotatably connected with the limiting frame 1, a rotating rod 13 is detachably mounted at the top of the extension column 12, and a crank 14 is detachably mounted at the top of the rotating rod 13.

It should be noted that, the utility model discloses a reset and close device admittedly for being used for aerogenerator blade front and back reason fracture maintenance, in use, place grip block 10 in the outside of waiting to restore the position, manual rotation crank 14 afterwards, crank 14 passes through dwang 13 and drives extension post 12 and rotate with extension post 12 fixed connection's first lead screw 3, second lead screw 4 rotates along with it in the same direction, the movable block 6 of first lead screw 3 and second lead screw 4 periphery is close to each other in spacing frame 1, until driving grip block 10 and aerogenerator blade laminating, with blade fracture position pressfitting when continuing to be close to, in advance at fracture position coating speciality glue, after a period of standing afterwards, wait that glue solidifies back antiport crank 14 takes off spacing frame 1 and grip block 10.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The reset fixing device for the cracking maintenance of the front edge and the rear edge of the wind driven generator blade comprises a limiting frame (1), and is characterized by further comprising a clamping component and a clamping plate (10), wherein the clamping component is detachably mounted on the inner side of the limiting frame (1), and the clamping plate is detachably mounted on the side wall of the clamping component;

the clamping assembly comprises a first lead screw (3), a second lead screw (4), a limiting block (5), a moving block (6) and a jack (7), the first lead screw (3) and the second lead screw (4) are respectively connected to the inner top surface and the inner bottom surface of the limiting frame (1) in a rotating mode through bearing seats, the limiting block (5) is fixedly installed between the end portion of the first lead screw (3) and the end portion of the second lead screw (4), the periphery of the first lead screw (3) and the periphery of the second lead screw (4) are in threaded connection with the moving block (6) which is connected to the inner wall of the limiting frame (1) in a sliding mode, and the jack (7) is formed in the side wall of the moving block (6).

2. The resetting and fastening device for the crack repair of the front edge and the rear edge of the wind driven generator blade as claimed in claim 1, wherein: the side wall of the clamping plate (10) is integrally connected with a loop bar (9), the end part of the loop bar (9) is inserted in the inserting column (8), and the inserting column (8) is inserted in the inserting hole (7).

3. The resetting and fastening device for the crack repair of the front edge and the rear edge of the wind driven generator blade as claimed in claim 1, wherein: the surface of the clamping plate (10) is provided with a groove, and the surface of the clamping plate (10) is bonded with a rubber anti-skid pad (11).

4. The resetting and fastening device for the crack repair of the front edge and the rear edge of the wind driven generator blade as claimed in claim 1, wherein: the moving blocks (6) are symmetrically arranged relative to the limiting blocks (5).

5. The resetting and fastening device for the crack repair of the front edge and the rear edge of the wind driven generator blade as claimed in claim 1, wherein: the top fixedly connected with of first lead screw (3) runs through extension post (12) at spacing frame (1) top, and extension post (12) rotate with spacing frame (1) and be connected, the top demountable installation of extension post (12) has dwang (13), and the top demountable installation of dwang (13) has crank (14).

6. The resetting and fastening device for the crack repair of the front edge and the rear edge of the wind driven generator blade as claimed in claim 1, wherein: the periphery of the limiting frame (1) is integrally formed and connected with a hanging ring (2).