Turnover device of wind power single-blade lifting appliance

By designing a combined structure of support plate, rotating shaft and limiting plate, the problem of center of gravity shift during the flipping of wind turbine blades was solved, achieving stability and safety in the flipping process and ensuring the safe hoisting of wind turbine blades.

CN223920895UActive Publication Date: 2026-02-17YA GUANG RIGGING CO LTD
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Patent Information

Application Number
CN202520740848.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-02-17
Estimated Expiration
2035-04-18

AI Technical Summary

Technical Problem

Existing wind turbine single-blade flipping devices are prone to excessive center of gravity shift during flipping, causing the blade to sway significantly or even fall off, resulting in damage.

Method used

A wind turbine single-blade lifting device was designed. Through the combination structure of support plate, rotating shaft, limiting plate and clamping plate, it can ensure that the center of gravity of the wind turbine single blade is on the same vertical plane when it is flipped, and prevent swaying by limiting the movement by friction plate.

Benefits of technology

It achieves stability and safety during the flipping of a single wind turbine blade, avoiding center of gravity shift and large-scale swaying, and ensuring safety and precise positioning during the flipping process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lifting appliances, in particular to a turnover device of a wind power single-blade lifting appliance, which comprises a support plate, mounting blocks are arranged on two sides of the support plate, and a first lifting ring and a second lifting ring for lifting the support plate and the mounting blocks are fixedly mounted on the two mounting blocks and the support plate respectively. A rotating shaft for driving the supporting plate to rotate is arranged between the two mounting blocks and the supporting plate, and two pairs of limiting plates which are symmetrically arranged and used for clamping the wind power single blade are arranged at the bottom of the supporting plate. The supporting plate is arranged between the two fixing blocks and matched with rotation of the rotating shaft, so that the wind power single blade is turned over, the gravity center of the lifting tool and the gravity center of the wind power single blade are located on the same vertical plane, the situation that the shaking amplitude is too large when the wind power single blade is turned over is avoided, and the wind power single blade is clamped through relative movement of the two clamping plates. And the friction plate limits the limiting disc, so that the supporting plate is prevented from rotating, and the stability of the wind power single blade after being overturned is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting appliance technical field, especially wind power single blade lifting appliance can overturn device. BACKGROUND

[0002] A wind power single blade lifting appliance can overturn device is the engineering equipment specially designed for wind turbine blade installation, and is used for realizing safe overturning and accurate positioning of the blade in the hoisting process.

[0003] At present, the overturning of the wind power single blade is usually carried out by lifting it through the lifting appliance, and the wind power single blade is overturned through the overturning mechanism on the lifting appliance, but the existing overturning mechanism is prone to causing the gravity center of the wind power single blade to deviate too much when overturning the wind power single blade, resulting in that the wind power single blade shakes greatly, and the wind power single blade is prone to falling from the lifting appliance in serious cases, causing damage to the wind power single blade. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem that the wind power single blade shakes greatly when overturning in the prior art, and provides a wind power single blade lifting appliance can overturn device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A wind power single blade lifting appliance can overturn device, including the support plate, the support plate both sides are provided with the mounting block, two The first lifting ring and the second lifting ring that lift the support plate and the mounting block are fixedly installed on two The mounting block and The support plate respectively, the rotating shaft that drives the support plate to rotate is arranged between two The mounting block and the support plate, the support plate bottom is provided with two pairs of symmetrically arranged and used for clamping the wind power single blade Limiting plate.

[0007] Preferably, the bottom end of the support plate is fixedly installed with two symmetrically arranged fixing blocks, and the bottom end of the two fixing blocks is fixedly installed with a U-shaped frame, two The placing groove is arranged in two The fixing block, and two Electric push rod is fixedly installed in two The placing groove, and the end of two Electric push rod extends into the U-shaped frame and is fixedly connected with the limiting plate.

[0008] Preferably, the support plate both ends are fixedly installed with two pairs of equidistant circumferentially arranged fixed rods, two The outer wall of the mounting block is fixedly installed with a circular slide rail, and two Circular slide rail is oppositely arranged, and two The end of the fixed rod is respectively arranged in two Circular slide rail.

[0009] Preferably, two The mounting block is provided with a cavity, and two The mounting block is provided with a through hole communicated with the cavity, and two The rotating shaft is arranged in two The through hole.

[0010] Preferably, the two ends of the rotating shaft are fixedly installed with a limiting disc, and two connecting shafts are symmetrically installed on the two limiting discs and arranged on the two sides of the rotating shaft and in the two through holes.

[0011] Preferably, two symmetrically installed mounting plates are fixedly installed in the cavity, and a hydraulic cylinder is fixedly installed on each of the two mounting plates, and the output end of the hydraulic cylinder penetrates the mounting plate and is fixedly installed with a driving block.

[0012] Preferably, two symmetrically installed protrusions are fixedly installed at the bottom end of the mounting plate, guide rails are fixedly installed on the two sides of the two protrusions, a clamping plate is slidingly arranged on the guide rails, and a friction plate is fixedly installed on the clamping plate.

[0013] Preferably, a second mounting groove is formed in each of the two clamping plates, a first mounting groove is formed on the two sides of the driving block, and a connecting plate is rotatably installed in the first mounting groove and the second mounting groove through a pin shaft.

[0014] Preferably, the rotating shaft is rotatably installed in the cavity, and a driving motor for driving the rotating shaft to rotate is fixedly installed on the outer wall of the mounting block.

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

[0016] 1. The utility model discloses a supporting plate is arranged between the two fixed blocks, and is matched with the rotation of the rotating shaft, so that the wind power single blade is turned over, the center of gravity of the lifting appliance and the wind power single blade is on the same vertical plane, and the wind power single blade is avoided from shaking too much when being turned over.

[0017] 2. The utility model discloses the relative movement of the two clamping plates, so that the friction plate limits the limiting disc, avoids the rotation of the supporting plate, and guarantees the stability of the wind power single blade after turning over. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a wind power single blade lifting appliance turnable device structure schematic drawing;

[0019] Figure 2 The utility model provides a wind power single blade lifting appliance turnable device structure schematic drawing;

[0020] Figure 3 The utility model provides a wind power single blade lifting appliance turnable device structure schematic drawing;

[0021] Figure 4 The utility model provides a wind power single blade lifting appliance turnable device structure schematic drawing;

[0022] Figure 5 The utility model provides a kind of driving block and clamping plate schematic view of wind power single-blade lifting appliance turnable device.

[0023] In the drawing: 1, support plate;2, fixed block;3, electric push rod;4, U-shaped frame;5, limiting plate;6, fixed rod;7, mounting block;8, circular slide rail;9, rotating shaft;10, connecting shaft;11, limiting disc;12, cavity;13, mounting plate;14, hydraulic cylinder;15, driving block;16, first installation slot;17, lug;18, guide rail;19, clamping plate;20, second installation slot;21, connecting plate;22, friction plate;23, first lifting ring;24, second lifting ring;25, driving motor. DETAILED DESCRIPTION

[0024] 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, not all the embodiments.

[0025] Refer to Figures 1-5 A kind of wind power single-blade lifting appliance turnable device, including support plate 1, support plate 1 both sides are provided with mounting block 7, first lifting ring 23 and second lifting ring 24 are respectively fixedly installed on two mounting blocks 7 and support plate 1, by setting second lifting ring 24, wind power single-blade is more stable when being hoisted, rotating shaft 9 for driving support plate 1 to rotate is arranged between two mounting blocks 7 and support plate 1, support plate 1 bottom is provided with two pairs of symmetrically arranged and used for clamping wind power single-blade limiting plate 5.

[0026] Support plate 1 bottom end is fixedly installed with two symmetrically arranged fixed blocks 2, and the bottom end of the two fixed blocks 2 is fixedly installed with U-shaped frame 4, two fixed blocks 2 are both provided with placing groove, and two placing grooves are both fixedly installed with electric push rod 3, and the end of two electric push rods 3 extends into U-shaped frame 4 and is fixedly connected with limiting plate 5.

[0027] Support plate 1 both ends are fixedly installed with two pairs of equidistant circumferentially arranged fixed rods 6, the outer wall of two mounting blocks 7 is fixedly installed with circular slide rail 8, and the two circular slide rails 8 are oppositely arranged, and the end of the two pairs of fixed rods 6 is slidably arranged in the two circular slide rails 8, by slidingly arranging fixed rod 6 in circular slide rail 8, the connection between support plate 1 and mounting block 7 is more stable, and the rotation of support plate 1 is ensured, to avoid that support plate 1 falls off from mounting block 7 due to insufficient stability between support plate 1 and mounting block 7.

[0028] Two mounting blocks 7 are both provided with cavity 12, and two mounting blocks 7 are both provided with through hole communicated with cavity 12, and two rotating shafts 9 are arranged in two through holes respectively.

[0029] Both ends of the rotating shaft 9 are fixedly installed with a limiting disc 11, two connecting shafts 10 are fixedly installed on the two limiting discs 11 and are arranged on the two sides of the rotating shaft 9 and in the two through holes, and the two connecting shafts 10 are fixedly connected through the two connecting shafts 10 and the limiting disc 11, so that when the two friction plates 22 limit the limiting disc 11, the rotating shaft 9 is reinforced to limit the supporting plate 1 through the two connecting shafts 10, and the stress between the rotating shaft 9 and the supporting plate 1 is avoided from being too large to cause rupture.

[0030] Two mounting plates 13 are fixedly installed in the cavity 12 and are symmetrically arranged, and a hydraulic cylinder 14 is fixedly installed on each of the two mounting plates 13, and a driving block 15 is fixedly installed on the output end of the hydraulic cylinder 14 and penetrates the mounting plate 13.

[0031] Two protrusions 17 are fixedly installed at the bottom end of the mounting plate 13 and are symmetrically arranged, guide rails 18 are fixedly installed on the two sides of the two protrusions 17, a clamping plate 19 is slidably arranged on the guide rail 18, and a friction plate 22 is fixedly installed on the clamping plate 19.

[0032] Second installation grooves 20 are formed in the two clamping plates 19, first installation grooves 16 are formed on the two sides of the driving block 15, and a connecting plate 21 is rotatably installed in the first installation groove 16 and the second installation groove 20 through a pin shaft.

[0033] The rotating shaft 9 is rotatably installed in the cavity 12, and a driving motor 25 is fixedly installed on the outer wall of the mounting block 7 to drive the rotating shaft 9 to rotate.

[0034] The function principle of the utility model can be described by the following operation modes:

[0035] In use, the telescopic electric push rod 3 drives the limiting plate 5 to move downward and clamp and limit the wind power single blade, the steel cable of the crane is connected with the first lifting ring 23 and the second lifting ring 24 respectively, and the wind power single blade is lifted;

[0036] When the wind power single blade needs to be turned over, the driving motor 25 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the supporting plate 1 to rotate, the telescopic steel cable of the crane is connected with the second lifting ring 24, and the wind power single blade is turned over.

[0037] When the wind power single blade is turned over, the hydraulic cylinder 14 drives the driving block 15 to move, the driving block 15 moves toward the mounting plate 13, the two clamping plates 19 are synchronously pulled by the two connecting plates 21, the distance between the two clamping plates 19 is reduced, the friction plate 22 on the clamping plate 19 is attached to the limiting disc 11, the limiting disc 11 is limited, and the wind power single blade is prevented from rotating.

[0038] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A reversible device for a single-blade wind turbine, comprising a support plate (1), characterized in that, Mounting blocks (7) are provided on both sides of the support plate (1). A first lifting ring (23) and a second lifting ring (24) for lifting the support plate (1) and the mounting blocks (7) are fixedly installed on the two mounting blocks (7) and the support plate (1), respectively. A rotating shaft (9) for driving the support plate (1) to rotate is provided between the two mounting blocks (7) and the support plate (1). Two pairs of symmetrically arranged limiting plates (5) for clamping the wind turbine blades are provided at the bottom of the support plate (1).

2. The wind turbine single-blade reversible device according to claim 1, characterized in that, The support plate (1) has two symmetrically arranged fixing blocks (2) fixedly installed at its bottom end, and a U-shaped frame (4) is fixedly installed at the bottom end of each of the two fixing blocks (2). Each of the two fixing blocks (2) has a placement groove, and an electric push rod (3) is fixedly installed in each of the two placement grooves. The ends of the two electric push rods (3) extend into the U-shaped frame (4) and are fixedly connected to the limiting plate (5).

3. The wind turbine single-blade reversible device according to claim 2, characterized in that, The support plate (1) has two pairs of fixed rods (6) arranged in a circular pattern at equal intervals at both ends. The outer walls of the two mounting blocks (7) are fixedly equipped with circular slide rails (8), and the two circular slide rails (8) are arranged opposite to each other. The ends of the two pairs of fixed rods (6) are respectively slidably arranged in the two circular slide rails (8).

4. The wind turbine single-blade reversible device according to claim 3, characterized in that, Both mounting blocks (7) have cavities (12) and both mounting blocks (7) have through holes that communicate with the cavities (12). The two rotating shafts (9) are respectively disposed in the two through holes.

5. A wind turbine single-blade reversible device according to claim 4, characterized in that, Limiting disks (11) are fixedly installed at the ends of both rotating shafts (9). Two symmetrically arranged connecting shafts (10) are fixedly installed on both limiting disks (11), and the two connecting shafts (10) are located on both sides of the rotating shafts (9) and in two through holes.

6. A wind turbine single-blade reversible device according to claim 5, characterized in that, Two symmetrically arranged mounting plates (13) are fixedly installed inside the cavity (12), and a hydraulic cylinder (14) is fixedly installed on each of the two mounting plates (13). The output end of the hydraulic cylinder (14) passes through the mounting plate (13) and is fixedly installed with a drive block (15).

7. A wind turbine single-blade reversible device according to claim 6, characterized in that, The mounting plate (13) has two symmetrically arranged protrusions (17) fixedly installed at its bottom end. Guide rails (18) are fixedly installed on both sides of the two protrusions (17), and a clamping plate (19) is slidably arranged on the guide rails (18). A friction plate (22) is fixedly installed on the clamping plate (19).

8. A wind turbine single-blade reversible device according to claim 7, characterized in that, The two clamping plates (19) are provided with second mounting slots (20), and the drive block (15) is provided with first mounting slots (16) on both sides. The first mounting slot (16) and the second mounting slot (20) are connected to a connecting plate (21) through a pin.

9. A wind turbine single-blade reversible device according to claim 8, characterized in that, The rotating shaft (9) is rotatably installed in the cavity (12), and a drive motor (25) for driving the rotating shaft (9) to rotate is fixedly installed on the outer wall of the mounting block (7).