Wind power tower drum overhauling device

By using a servo motor-driven take-up roller and guide mechanism, combined with a sliding ball and rod limiting structure, the problem of output shaft deflection in the wind turbine tower maintenance device was solved, enabling stable detection and safe movement inside the tower.

CN223739566UActive Publication Date: 2025-12-30GCL ENERGY ENG CO LTD
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Patent Information

Application Number
CN202520500198.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2025-12-30
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

When the existing wind turbine tower maintenance equipment is idle, the output shaft of the winch is prone to large deflection torque due to the weight of the traction object, resulting in hard deflection and damage to the output shaft.

Method used

It employs a servo motor, take-up roller, traction line, and guide mechanism, along with a detection camera. The servo motor drives the take-up roller to rotate, and a ball and spring structure is used to achieve stable movement of the support plate. The rotating plate is limited by a rod and hole structure to prevent hard deflection of the servo motor output shaft.

Benefits of technology

It enables automatic detection and stable movement inside the wind turbine tower, avoiding hard deflection and damage to the servo motor output shaft, and improving the safety and reliability of the maintenance device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of wind power tower drum overhauling, and particularly relates to a wind power tower drum overhauling device which comprises a tower drum body, an installation frame is fixedly connected to the right side of the tower drum body, a servo motor is fixedly installed at the right end of the installation frame, and an output shaft of the servo motor is rotationally connected with the installation frame. And an output shaft of the servo motor is rotationally connected with the tower drum body, the outer side of the output shaft of the servo motor is fixedly sleeved with a winding roller, and a pull wire is arranged on the surface of the winding roller. Under the action of structures such as the servo motor, the wind-up roller and the pull wire, the supporting disc can be pulled and moved for use, the interior of the tower drum can be automatically detected in cooperation with the detection camera, convenience is brought to follow-up positioning and overhauling of operators, under the structures such as the sliding balls and the first springs, the supporting disc can be moved and guided, and the working efficiency is improved. Therefore, stable movement of the supporting disc is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wind power tower cylinder overhauling technical field, concretely to a kind of wind power tower cylinder overhauling device. BACKGROUND

[0002] The wind power tower cylinder overhauling device is a device specially used for the internal and external inspection, maintenance and repair of the wind turbine tower cylinder. Due to the high height (usually more than 80 meters) and narrow internal space of the wind power tower cylinder, the traditional manual overhauling method is low in efficiency and high in risk. The wind power tower cylinder overhauling device can safely and efficiently complete the overhauling task in an automated or semi-automated manner, ensuring the normal operation of the wind turbine.

[0003] In the utility model patent with patent authorization announcement No. CN218760258U, a device for overhauling the internal platform of a wind power tower is disclosed, which comprises a wind power tower body, two guide rods fixedly connected to the inside of the wind power tower body, guide blocks slidingly connected to the outside of the guide rods, the guide blocks connected to the outside of a transport frame, a transport frame connected to the top of the wind power tower body through a winch, the bottom of the winch connected to the top of the wind power tower body through a connecting seat, a U-shaped groove formed in the front and back of the top of the transport frame, a toothed plate groove formed in the two sides of the top of the transport frame, and a load-bearing plate connected to the top of the transport frame through a spring.

[0004] However, the existing wind power tower cylinder overhauling device also has certain deficiencies. Although the existing wind power tower cylinder overhauling device uses the functions of winches, traction ropes and other structures to complete the traction and movement of the overhauling platform, the output shaft of the winch is subjected to a large deflection torque due to the influence of factors such as the weight of the traction object in the idle state, which easily causes the hard deflection and damage of the output shaft. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a wind power tower cylinder overhauling device, which solves the problem of the existing wind power tower cylinder overhauling device, which uses the functions of winches, traction ropes and other structures to complete the traction and movement of the overhauling platform, and the output shaft of the winch is subjected to a large deflection torque due to the influence of factors such as the weight of the traction object in the idle state, which easily causes the hard deflection and damage of the output shaft.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a wind power tower drum overhauling device, the right side of the tower drum body is fixedly connected with the mounting bracket, the right end of the mounting bracket is fixedly installed with the servo motor, the output shaft of the servo motor is rotatably connected with the mounting bracket, the output shaft of the servo motor is rotatably connected with the tower drum body, the outside of the output shaft of the servo motor is fixedly sleeved with the winding roller, the surface of the winding roller is provided with the traction line, the lower end of the traction line is fixedly connected with the support disc, the upper end of the support disc is provided with the detection camera, the support disc is provided with the guide mechanism, the output shaft of the servo motor and the mounting bracket are provided with the auxiliary mechanism.

[0007] Preferably, the guide mechanism includes a fixed plate, the lower end of the support disc is fixedly connected with the fixed plate, the inner wall of the fixed plate is slidably connected with the telescopic rod, the surface of the telescopic rod is fixedly connected with the guide block, the guide block is slidably connected with the fixed plate, the end surface of the telescopic rod is fixedly connected with the sliding ball, the sliding ball is slidably connected with the tower drum body, through the action of the sliding ball, the telescopic rod and other structures, the support disc can be moved and guided for use, so as to ensure the stable movement of the support disc.

[0008] Preferably, the guide block is provided with a plurality of guide blocks, and the plurality of guide blocks are evenly distributed on the telescopic rod, and through the arrangement of the guide block, the telescopic rod can be moved and guided.

[0009] Preferably, the vertical part of the telescopic rod is welded with a spring one, and the other end of the spring one is welded with the fixed plate, and through the arrangement of the spring one, the telescopic rod can be connected and used.

[0010] Preferably, the auxiliary mechanism includes a rotating disc, the outside of the output shaft of the servo motor is fixedly sleeved with the rotating disc, the side of the rotating disc is provided with a bushing, the upper end of the mounting bracket is fixedly connected with a fixed frame, the fixed frame is in contact with the tower drum body, the inner side wall of the fixed frame is slidably connected with a magnetic plate, the lower end of the magnetic plate is fixedly connected with a plug rod, the plug rod is slidably connected with the mounting bracket, the plug rod is slidably connected with the bushing, the outside of the plug rod is provided with a spring two, the inner side top of the fixed frame is fixedly installed with an electromagnet, and the electromagnet is located directly above the magnetic plate, through the arrangement of the electromagnet, the magnetic plate and other structures, the plug rod can be moved, and the rotating disc is in a rotatable state.

[0011] Preferably, the bushing is provided with a plurality of bushings, and the plurality of bushings are arranged in an annular array on the rotating disc, and through the arrangement of the bushing, the plug rod can be inserted and used.

[0012] Preferably, one end of the spring two is fixedly connected with the magnetic plate, and the other end of the spring two is welded with the mounting bracket, and through the arrangement of the spring two, the magnetic plate can be connected and used.

[0013] Compared with the prior art, the utility model have the advantages that:

[0014] 1、The utility model discloses a servo motor, winding roller, towline and other structure's effect can be used to the traction movement of support disc, and cooperate the effect of detection camera, can automatically detect the inside of tower drum, be convenient for the positioning maintenance of subsequent operating personnel uses, under the structure of sliding ball, spring one, can move the guiding of support disc, guarantee the stable movement of support disc.

[0015] 2、The utility model discloses the setting of plug rod, socket, spring two and other structures can limit the rotation disc, and then the output shaft of servo motor in the idle state is assisted fixed, avoid under the action of external force, cause the hard deflection of servo motor output shaft, the problem of damage. DRAWINGS

[0016] Figure 1 It is the overall structure perspective drawing of the utility model;

[0017] Figure 2 It is the top view of the utility model; Figure 1

[0018] Figure 3 It is the front view of the utility model; Figure 1

[0019] Figure 4 It is the A place enlarged view of the utility model; Figure 3

[0020] Figure 5 It is the auxiliary mechanism enlarged view of the utility model; Figure 1

[0021] In the drawing: 1, tower drum body;2, mounting frame;3, servo motor;4, winding roller;5, towline;6, support disc;7, detection camera;8, guiding mechanism;9, auxiliary mechanism;81, fixed plate;82, telescopic link;83, guide block;84, sliding ball;85, spring one;91, rotation disc;92, socket;93, fixed frame;94, magnetic plate;95, plug rod;96, spring two;97, electromagnet. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model. ​​​​

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 A wind power tower cylinder overhauling device, including tower cylinder body 1, the right side of tower cylinder body 1 is fixedly connected with mounting bracket 2, the right end of mounting bracket 2 is fixedly installed with servo motor 3, the output shaft of servo motor 3 is rotatably connected with mounting bracket 2, the output shaft of servo motor 3 is rotatably connected with tower cylinder body 1, the output shaft of servo motor 3 is fixedly sleeved with winding roller 4, the surface of winding roller 4 is provided with traction line 5, the lower end of traction line 5 is fixedly connected with support disc 6, the upper end of support disc 6 is provided with detection camera 7.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 Support disc 6 is provided with guide mechanism 8, guide mechanism 8 includes fixed plate 81, the lower end of support disc 6 is fixedly connected with fixed plate 81, the inner wall of fixed plate 81 is slidably connected with telescopic rod 82, the surface of telescopic rod 82 is fixedly connected with guide block 83, guide block 83 is slidably connected with fixed plate 81, the end surface of telescopic rod 82 is fixedly connected with sliding ball 84, sliding ball 84 is slidably connected with tower cylinder body 1, through the action of sliding ball 84, telescopic rod 82 and other structures, support disc 6 can be moved and guided for use, to ensure the stable movement of support disc 6.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 A plurality of guide blocks 83 are evenly distributed on telescopic rod 82, through the setting of guide block 83, telescopic rod 82 can be moved and guided, the vertical part of telescopic rod 82 is welded with spring one 85, the other end of spring one 85 is welded with fixed plate 81, through the setting of spring one 85, telescopic rod 82 can be connected and used.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 5The output shaft of the servo motor 3 is externally fixedly sleeved with a rotating disc 91, the side surface of the rotating disc 91 is provided with a plug hole 92, the upper end of the mounting frame 2 is fixedly connected with a fixed frame 93, the fixed frame 93 is in contact with the tower drum body 1, the inner side wall of the fixed frame 93 is slidably connected with a magnetic plate 94, the lower end of the magnetic plate 94 is fixedly connected with a plug rod 95, the plug rod 95 is slidably connected with the mounting frame 2, the plug rod 95 is slidably connected with the plug hole 92, the outer side of the plug rod 95 is provided with a spring 96, the inner side top of the fixed frame 93 is fixedly installed with an electromagnet 97, the electromagnet 97 is located directly above the magnetic plate 94, through the arrangement of the electromagnet 97, the magnetic plate 94 and the like, the plug rod 95 can be moved, and the rotating disc 91 is in a rotatable state.

[0027] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 The plug hole 92 is provided with a plurality of plug holes 92, and the plurality of plug holes 92 are arranged in an annular array on the rotating disc 91, and through the arrangement of the plug hole 92, the plug rod 95 is conveniently inserted and used, one end of the spring 96 is fixedly connected with the magnetic plate 94, the other end of the spring 96 is welded with the mounting frame 2, and through the arrangement of the spring 96, the magnetic plate 94 can be connected and used.

[0028] The specific implementation process of the utility model is as follows: when in use, the electromagnet 97 is started to magnetically attract the magnetic plate 94, so that the magnetic plate 94 slides along the inner side wall of the fixed frame 93 and drives the plug rod 95 to move, so that the spring 96 is deformed, and finally the plug rod 95 is separated from the plug hole 92;

[0029] The servo motor 3 is started to drive the output shaft to rotate, so as to drive the winding roller 4 to rotate, wind the traction line 5, move the supporting disc 6, and drive the detection camera 7 to move, detect the inside of the tower drum body 1, and facilitate the positioning and maintenance of subsequent workers, when the supporting disc 6 moves, the fixed plate 81 can be driven to move, and then the telescopic rod 82 is driven to move, and finally the sliding ball 84 slides along the inner wall of the tower drum body 1, so as to ensure the stable movement of the supporting disc 6, under the deformation of the spring 85, the telescopic rod 82 can drive the sliding ball 84 to slide along the inner wall of the tower drum body 1 at all times, so as to ensure good guiding effect;

[0030] The electromagnet 97 is turned off, so that the electromagnet 97 no longer magnetically attracts the magnetic plate 94, and the spring 96 restores the deformation to pull the magnetic plate 94 to move downward, thereby driving the insertion rod 95 to be inserted into the next insertion hole 92 on the surface of the rotating disc 91, limiting the rotating disc 91, thereby assisting in limiting the output shaft of the servo motor 3, avoiding the problem of hard deflection damage of the output shaft of the servo motor 3.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wind turbine tower inspection device comprising a tower body (1), characterized in that: The right side of the tower barrel body (1) is fixedly connected with a mounting rack (2), a servo motor (3) is fixedly installed at the right end of the mounting rack (2), the output shaft of the servo motor (3) is rotatably connected with the mounting rack (2), the output shaft of the servo motor (3) is rotatably connected with the tower barrel body (1), a winding roller (4) is fixedly sleeved outside the output shaft of the servo motor (3), a traction line (5) is arranged on the surface of the winding roller (4), a supporting disc (6) is fixedly connected to the lower end of the traction line (5), a detection camera (7) is arranged on the upper end of the supporting disc (6), a guide mechanism (8) is arranged on the supporting disc (6), and an auxiliary mechanism (9) is arranged on the output shaft of the servo motor (3) and the mounting rack (2).

2. The wind power tower maintenance device of claim 1, wherein: The guide mechanism (8) comprises a fixed plate (81), the lower end of the supporting disc (6) is fixedly connected with the fixed plate (81), the inner wall of the fixed plate (81) is slidably connected with a telescopic rod (82), the surface of the telescopic rod (82) is fixedly connected with a guide block (83), the guide block (83) is slidably connected with the fixed plate (81), and the end face of the telescopic rod (82) is fixedly connected with a sliding ball (84). The sliding ball (84) is slidably connected with the tower barrel body (1).

3. The windmill tower maintenance device according to claim 2, characterized in that: The guide block (83) is provided with a plurality of guide blocks (83) which are uniformly distributed on the telescopic rod (82).

4. The windmill tower maintenance device according to claim 2, characterized in that: The vertical part of the telescopic rod (82) is welded with a spring (85), and the other end of the spring (85) is welded with the fixed plate (81).

5. The windmill tower maintenance device according to claim 1, characterized in that: The auxiliary mechanism (9) comprises a rotating disc (91), the rotating disc (91) is fixedly sleeved outside the output shaft of the servo motor (3), the side of the rotating disc (91) is provided with a bushing (92), the upper end of the mounting rack (2) is fixedly connected with a fixed frame (93), the fixed frame (93) is in contact with the tower barrel body (1), the inner side wall of the fixed frame (93) is slidably connected with a magnetic plate (94), the lower end of the magnetic plate (94) is fixedly connected with a plug rod (95), the plug rod (95) is slidably connected with the mounting rack (2), the plug rod (95) is slidably connected with the bushing (92), the outer side of the plug rod (95) is provided with a spring (96), the inner side of the fixed frame (93) is fixedly installed with an electromagnet (97), and the electromagnet (97) is located directly above the magnetic plate (94).

6. The wind turbine tower access device of claim 5, wherein: The bushing (92) is provided with a plurality of bushings (92) which are arranged in a ring array on the rotating disc (91).

7. The wind turbine tower access device of claim 5, wherein: One end of the spring (96) is fixedly connected with the magnetic plate (94), and the other end of the spring (96) is welded with the mounting rack (2).