Auxiliary tool for disassembling blades of wind driven generator

By designing a motor-driven threaded rod and clamp adjustment assembly, combined with an electric telescopic rod and anti-slip block, the adjustment and anti-slip problems of the auxiliary tooling for disassembling wind turbine blades were solved, improving disassembly efficiency and safety.

CN223447170UActive Publication Date: 2025-10-17XINHUA LONGNAN ELECTRIC POWER INVESTMENT CO LTD
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Patent Information

Application Number
CN202423224111.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-10-17
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing auxiliary tooling for disassembling wind turbine blades is simple in structure, difficult to adjust, and poses a risk of blade slippage, resulting in safety hazards.

Method used

A disassembly auxiliary tooling was designed, comprising a first adjustment component, a second adjustment component, and a third adjustment component. The tooling uses a motor to drive a threaded rod and a clamping plate for adjustment, combined with an electric telescopic rod and an anti-slip block, to achieve adjustable lifting and anti-slip functions for the blades.

Benefits of technology

It enables flexible adjustment of blades of different sizes and effective anti-slip, improves disassembly efficiency, reduces the risk of blades sliding off, and ensures safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wind driven generators, in particular to a wind driven generator blade dismounting auxiliary tool which comprises a first adjusting assembly, a fixing block is installed on the surface of the top of the first adjusting assembly, one end of a connecting block is installed on the surface of the top of the fixing block, and a lifting lug is installed at the other end of the connecting block. According to the improved dismounting auxiliary tool, the design convenient to adjust is adopted, the distance between a third adjusting assembly and a second adjusting assembly can be adjusted, the wind driven generator blade can be conveniently hoisted, the device can be rapidly adjusted, the dismounting efficiency is effectively improved, meanwhile, the antiskid design is adopted, and the dismounting effect is good. The wind driven generator can be limited to a certain extent, rubber coatings are arranged on the inner sides of the first hanging belt and the second hanging belt, the friction force between the first hanging belt and the blade and between the second hanging belt and the blade can be effectively increased through the rubber coatings, and the situation that the blade slides in the hanging process, and consequently the blade falls off is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wind driven generator technical field, concretely is a kind of wind driven generator blade dismounting auxiliary tool. BACKGROUND

[0002] Wind driven generator is a kind of equipment for converting wind energy into electric energy. Its basic principle is to use wind to drive windmill blades to rotate, and to improve the rotation speed through a speed increaser, finally to make the generator generate electricity. According to the prior art, about every three meters per second of breeze speed can start to generate electricity.

[0003] In the wind driven generator, the blade is an important component, and the blade of the wind driven generator may be worn, cracked, scratched or otherwise structurally damaged during long-term operation. Therefore, regular inspection and repair of the blade are important links to ensure the normal operation of the fan. If the blade is found to be damaged or has potential safety hazards, the blade must be disassembled and repaired or replaced.

[0004] The inventor found that the prior art has the following problems in the process of implementing the utility model: 1. The structure of the existing dismounting auxiliary tool is relatively simple, and the size of the wind driven generator blade varies. When the user needs to hoist the wind driven generator blade, it is not convenient to adjust the tool, which limits the use of the tool; 2. The existing dismounting auxiliary tool is not convenient to adjust and not convenient to prevent slipping during daily use, and the wind driven generator blade may slip when the dismounting auxiliary tool hoists the wind driven generator blade, which may cause the wind driven generator blade to fall and pose a certain safety hazard. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of wind driven generator blade dismounting auxiliary tool to solve the problem of inconvenient adjustment and anti-skid of the dismounting auxiliary tool in the above background art. To achieve the above purpose, the utility model provides the following technical scheme: a kind of wind driven generator blade dismounting auxiliary tool, including first adjusting assembly, the top surface of the first adjusting assembly is installed with fixed block, one end of the top surface of the fixed block is installed with connecting block, the other end of the connecting block is installed with lifting lug, the bottom surface of the first adjusting assembly is installed with second adjusting assembly and third adjusting assembly.

[0006] The first adjusting assembly includes a first housing mounted on the bottom surface of the fixed block, a first motor is mounted on one side surface of the first housing, a one-way threaded rod is mounted on the output end of the first motor, and a movable block is mounted on the outer wall of the one-way threaded rod.

[0007] The second adjusting assembly comprises a second shell mounted on one side surface of the bottom of the first shell, one side surface of the second shell is provided with a second motor, the output end of the second motor is provided with a first bidirectional threaded rod, the outer wall of the first bidirectional threaded rod is provided with a first clamping plate and a second clamping plate, one side surface of the first clamping plate and the second clamping plate is provided with a first sling, the bottom surface of the second shell is provided with one end of a first electric telescopic rod, the other end of the first electric telescopic rod is provided with a first anti-skid block.

[0008] The third adjusting assembly comprises a third shell mounted on the bottom surface of the movable block, one side surface of the third shell is provided with a third motor, the output end of the third motor is provided with a second bidirectional threaded rod, the outer wall of the second bidirectional threaded rod is provided with a third clamping plate and a fourth clamping plate, one side surface of the third clamping plate and the fourth clamping plate is provided with a second sling, the bottom surface of the third shell is provided with one end of a second electric telescopic rod, the other end of the second electric telescopic rod is provided with a second anti-skid block.

[0009] Further preferably, the first motor and the movable block constitute a transmission mechanism through a unidirectional threaded rod.

[0010] Further preferably, the second motor and the first clamping plate and the second clamping plate constitute a transmission mechanism through a first bidirectional threaded rod.

[0011] Further preferably, the third motor and the third clamping plate and the fourth clamping plate constitute a transmission mechanism through a second bidirectional threaded rod.

[0012] Further preferably, the first electric telescopic rod and the first anti-skid block constitute a telescopic mechanism.

[0013] Further preferably, the second electric telescopic rod and the second anti-skid block constitute a telescopic mechanism.

[0014] Further preferably, the shapes of the first sling and the second sling are both flat, and the inner sides of the first sling and the second sling are both provided with rubber coating.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The utility model discloses a convenient to adjust's design, through the first motor drive unidirectional screw rod rotation, the position of movable block is adjusted, can the position of third adjusting assembly is adjusted to the interval of third adjusting assembly and second adjusting assembly is adjusted, is convenient for hoisting the wind driven generator blade, and can drive first clamping plate and second clamping plate to draw close to each other through the second motor drive first two -way screw rod rotation, to the outer wall one side of blade is effectively wrapped up with first sling, and it is convenient for hoisting the wind driven generator blade, and can drive second clamping plate and fourth clamping plate to draw close to each other through the third motor drive second two -way screw rod rotation, to the outer wall one side of blade is effectively wrapped up with second sling, and it is convenient for hoisting the wind driven generator blade, the device can be adjusted quickly, effectively improve the efficiency of dismantling.

[0017] The utility model discloses a convenient to adjust's design, through the first motor drive unidirectional screw rod rotation, the position of movable block is adjusted, can the position of third adjusting assembly is adjusted to the interval of third adjusting assembly and second adjusting assembly is adjusted, is convenient for hoisting the wind driven generator blade, and can drive first clamping plate and second clamping plate to draw close to each other through the second motor drive first two -way screw rod rotation, to the outer wall one side of blade is effectively wrapped up with first sling, and it is convenient for hoisting the wind driven generator blade, and can drive second clamping plate and fourth clamping plate to draw close to each other through the third motor drive second two -way screw rod rotation, to the outer wall one side of blade is effectively wrapped up with second sling, and it is convenient for hoisting the wind driven generator blade, the device can be adjusted quickly, effectively improve the efficiency of dismantling. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is main view structural schematic drawing of the utility model;

[0019] Figure 2 It is first adjusting assembly enlarged structural schematic drawing of the utility model;

[0020] Figure 3 It is second adjusting assembly enlarged structural schematic drawing of the utility model;

[0021] Figure 4 It is third adjusting assembly enlarged structural schematic drawing of the utility model.

[0022] In the figure: 1, first adjusting assembly; 101, first shell; 102, first motor; 103, one-way threaded rod; 104, movable block; 2, fixed block; 3, connecting block; 4, lifting lug; 5, second adjusting assembly; 501, second shell; 502, second motor; 503, first bidirectional threaded rod; 504, first clamping plate; 505, second clamping plate; 506, first lifting belt; 507, first electric telescopic rod; 508, first anti-skid block; 6, third adjusting assembly; 601, third shell; 602, third motor; 603, second bidirectional threaded rod; 604, third clamping plate; 605, fourth clamping plate; 606, second lifting belt; 607, second electric telescopic rod; 608, second anti-skid block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary technical personnel in the field without creative labor are within the protection scope of the utility model.

[0024] Please refer to Figures 1 to 4 The utility model provides a kind of technical solutions: a wind turbine blade dismounting auxiliary tool, including first adjusting assembly 1, the top surface of first adjusting assembly 1 is equipped with fixed block 2, the top surface of fixed block 2 is equipped with one end of connecting block 3, the other end of connecting block 3 is equipped with lifting lug 4, the bottom surface of first adjusting assembly 1 is equipped with second adjusting assembly 5 and third adjusting assembly 6.

[0025] First adjusting assembly 1 includes the first shell 101 installed on the bottom surface of fixed block 2, the side surface of first shell 101 is equipped with first motor 102, the output end of first motor 102 is equipped with one-way threaded rod 103, the outer wall of one-way threaded rod 103 is equipped with movable block 104.

[0026] Second adjusting assembly 5 includes the second shell 501 installed on the bottom side surface of first shell 101, the side surface of second shell 501 is equipped with second motor 502, the output end of second motor 502 is equipped with first bidirectional threaded rod 503, the outer wall of first bidirectional threaded rod 503 is equipped with first clamping plate 504 and second clamping plate 505, the side surface of first clamping plate 504 and second clamping plate 505 is equipped with first lifting belt 506, the bottom surface of second shell 501 is equipped with one end of first electric telescopic rod 507, the other end of first electric telescopic rod 507 is equipped with first anti-skid block 508.

[0027] The third adjusting assembly 6 comprises a third shell 601 installed on the bottom surface of the movable block 104, one side surface of the third shell 601 is provided with a third motor 602, the output end of the third motor 602 is provided with a second bidirectional threaded rod 603, the outer wall of the second bidirectional threaded rod 603 is provided with a third clamping plate 604 and a fourth clamping plate 605, one side surface of the third clamping plate 604 and the fourth clamping plate 605 is provided with a second sling 606, and one end of a second electric telescopic rod 607 is installed on the bottom surface of the third shell 601, and the other end of the second electric telescopic rod 607 is provided with a second anti-skid block 608.

[0028] In the embodiment, as shown in the figure, Figure 2 the first motor 102 and the movable block 104 constitute a transmission mechanism through the unidirectional threaded rod 103; through the design, the first motor 102 can be started as required, the first motor 102 drives the unidirectional threaded rod 103 to rotate, the movable block 104 slides on the outer wall of the unidirectional threaded rod 103, and the movable block 104 slides on the inner wall of the first shell 101, so that the position of the movable block 104 can be adjusted, and then the position of the third adjusting assembly 6 can be adjusted, so that the distance between the third adjusting assembly 6 and the second adjusting assembly 5 can be adjusted according to different sizes of the wind turbine blade, the wind turbine blade can be hoisted conveniently, and the user is assisted to disassemble the wind turbine blade.

[0029] In the embodiment, as shown in the figure, Figure 3 the second motor 502, the first clamping plate 504 and the second clamping plate 505 constitute a transmission mechanism through the first bidirectional threaded rod 503; through the design, the second motor 502 can be started according to the width of the blade at different positions, the second motor 502 drives the first bidirectional threaded rod 503 to rotate, the first clamping plate 504 and the second clamping plate 505 are brought close to each other, so that the first sling 506 effectively wraps one side of the outer wall of the blade, the wind turbine blade can be hoisted conveniently, and the user is assisted to disassemble the wind turbine blade.

[0030] In the embodiment, as shown in the figure, Figure 4 the third motor 602, the third clamping plate 604 and the fourth clamping plate 605 constitute a transmission mechanism through the second bidirectional threaded rod 603; through the design, the third motor 602 can be started according to the width of the blade at different positions, the third motor 602 drives the second bidirectional threaded rod 603 to rotate, the third clamping plate 604 and the fourth clamping plate 605 are brought close to each other, so that the second sling 606 effectively wraps one side of the outer wall of the wind turbine blade, the wind turbine blade can be hoisted conveniently, and the user is assisted to disassemble the wind turbine blade.

[0031] In the embodiment, as shown in the figure, Figure 3As shown, the first electric telescopic rod 507 and the first anti-skid block 508 constitute a telescopic mechanism; through the design, when the user effectively wraps the outer wall side of the blade through the first sling 506, the first electric telescopic rod 507 can be started, the first electric telescopic rod 507 can extend the first anti-skid block 508 to contact the top surface of the blade, and the first anti-skid block 508 and the first sling 506 can limit the upper and lower sides of the wind turbine blade, preventing the wind turbine blade from slipping during hoisting and causing the wind turbine blade to fall off.

[0032] In the embodiment, as shown in Figure 4 , the second electric telescopic rod 607 and the second anti-skid block 608 constitute a telescopic mechanism; through the design, when the user effectively wraps the outer wall side of the blade through the second sling 606, the second electric telescopic rod 607 can be started, the second electric telescopic rod 607 can extend the second anti-skid block 608 to contact the top surface of the blade, and the second anti-skid block 608 and the second sling 606 can limit the upper and lower sides of the wind turbine blade, preventing the wind turbine blade from slipping during hoisting and causing the blade to fall off.

[0033] In the embodiment, as shown in Figure 3 , the first sling 506 and the second sling 606 are both flat, and the inner side of the first sling 506 and the second sling 606 are both provided with a rubber coating; through the design, the contact area of the first sling 506 and the second sling 606 with the wind turbine blade can be effectively increased, and the friction between the first sling 506 and the second sling 606 and the wind turbine blade can be effectively increased through the rubber coating, preventing the wind turbine blade from slipping during hoisting and causing the blade to fall off.

[0034] The use method and advantages of the utility model are as follows:

[0035] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, first, the hook of the crane can be connected with the lifting lug 4 of the device, then the device is sleeved on the outer side of the wind turbine blade, then the one-way threaded rod 103 is driven to rotate by the first motor 102, the position of the movable block 104 is adjusted, the position of the third adjusting assembly 6 is adjusted, the distance between the third adjusting assembly 6 and the second adjusting assembly 5 is adjusted, then the first clamping plate 504 and the second clamping plate 505 are brought together by rotating the first bidirectional threaded rod 503 driven by the second motor 502, so that the first sling 506 effectively wraps the outer wall of the wind turbine blade on one side, then the third clamping plate 604 and the fourth clamping plate 605 are brought together by rotating the second bidirectional threaded rod 603 driven by the third motor 602, so that the second sling 606 effectively wraps the outer wall of the blade on the other side, when the first sling 506 effectively wraps the outer wall of the wind turbine blade on one side, the first electric telescopic rod 507 can be started, the first electric telescopic rod 507 can extend the first anti-skid block 508 to contact the top surface of the blade, the first anti-skid block 508 and the first sling 506 can limit the upper and lower sides of the blade, and the second electric telescopic rod 607 can be started when the second sling 606 effectively wraps the outer wall of the blade on one side, the second electric telescopic rod 607 can extend the second anti-skid block 608 to contact the top surface of the blade, the second anti-skid block 608 and the second sling 606 can limit the upper and lower sides of the blade, so as to prevent the blade from sliding during hoisting, and the shapes of the first sling 506 and the second sling 606 are flat, and the inner sides of the first sling 506 and the second sling 606 are provided with rubber coatings, which can effectively increase the contact area of the first sling 506 and the second sling 606 with the wind turbine blade, and the rubber coating can effectively increase the friction between the first sling 506 and the second sling 606 and the wind turbine blade, the end of the wind turbine blade is manually fixed with the main shaft, then the wind turbine blade is taken down by the crane.

[0036] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A wind turbine blade disassembly auxiliary tool, comprising a first adjustment component (1), characterized in that: A fixing block (2) is mounted on the top surface of the first adjusting component (1), one end of a connecting block (3) is mounted on the top surface of the fixing block (2), and a lifting lug (4) is mounted on the other end of the connecting block (3); a second adjusting component (5) and a third adjusting component (6) are mounted on the bottom surface of the first adjusting component (1); The first adjustment assembly (1) comprises a first housing (101) mounted on the bottom surface of the fixed block (2); a first motor (102) is mounted on one side surface of the first housing (101); a one-way threaded rod (103) is mounted on the output end of the first motor (102); and a movable block (104) is mounted on the outer wall of the one-way threaded rod (103); The second adjustment assembly (5) comprises a second shell (501) mounted on a side surface of the bottom of the first shell (101); a second motor (502) is mounted on a side surface of the second shell (501); a first bidirectional threaded rod (503) is mounted on an output end of the second motor (502); a first clamping plate (504) and a second clamping plate (505) are mounted on an outer wall of the first bidirectional threaded rod (503); a first sling (506) is mounted on a side surface of the first clamping plate (504) and the second clamping plate (505); one end of a first electric telescopic rod (507) is mounted on the bottom surface of the second shell (501); and a first anti-sliding block (508) is mounted on the other end of the first electric telescopic rod (507); The third adjustment assembly (6) includes a third shell (601) mounted on the bottom surface of the movable block (104); a third motor (602) is mounted on one side surface of the third shell (601); a second bidirectional threaded rod (603) is mounted on the output end of the third motor (602); a third clamping plate (604) and a fourth clamping plate (605) are mounted on the outer wall of the second bidirectional threaded rod (603); a second sling (606) is mounted on one side surface of the third clamping plate (604) and the fourth clamping plate (605); one end of a second electric telescopic rod (607) is mounted on the bottom surface of the third shell (601); and a second anti-sliding block (608) is mounted on the other end of the second electric telescopic rod (607).

2. The wind turbine blade disassembly auxiliary tool according to claim 1, characterized in that: The first motor (102) forms a transmission mechanism through a one-way threaded rod (103) and a movable block (104).

3. The wind turbine blade disassembly auxiliary tool according to claim 1, characterized in that: The second motor (502) forms a transmission mechanism through a first bidirectional threaded rod (503), a first clamping plate (504) and a second clamping plate (505).

4. The wind turbine blade disassembly auxiliary tool according to claim 1, characterized in that: The third motor (602) forms a transmission mechanism through the second bidirectional threaded rod (603), the third clamping plate (604) and the fourth clamping plate (605).

5. The wind turbine blade disassembly auxiliary tool according to claim 1, characterized in that: The first electric telescopic rod (507) and the first anti-sliding block (508) form a telescopic mechanism.

6. The wind turbine blade disassembly auxiliary tool according to claim 1, characterized in that: The second electric telescopic rod (607) and the second anti-sliding block (608) form a telescopic mechanism.

7. The wind turbine blade disassembly auxiliary tool according to claim 1, characterized in that: The first sling (506) and the second sling (606) are both flat in shape, and the inner sides of the first sling (506) and the second sling (606) are both provided with a rubber coating.