Magnetic adsorption wind power blade maintenance lifting hanging basket

Abstract

The invention relates to the technical field of machine manufacturing, in particular to a magnetic adsorption wind power blade overhaul lifting hanging basket which comprises a magnetic adsorption pole-climbing robot, a hanging basket lifter, a hanging basket assembly and a telescopic movable rod assembly. The magnetic adsorption pole-climbing robot comprises a plurality of combined permanent magnet wheels, a gear reducer, a clamping plate, a self-locking reduction gearbox, a motor, a middle shaft and a horizontal shaft. The hanging basket lifter is mounted at the top of the wind power tower drum and lifts or descends the hanging basket assembly through a steel wire rope; the distance of the hanging basket assembly is adjusted according to construction requirements by stretching and retracting the movable rod assembly. The lifting device can synchronously ascend and descend on a tower drum for overhauling work, the effects of resisting wind and stabilizing the hanging basket are achieved when fan blades are overhauled on the sea or on the land, the difficulty that the four corners of the hanging basket are stabilized through mooring ropes when the hanging basket is constructed on the sea or on the land is eliminated, the number of constructors is reduced, and the safety of the constructors during operation is guaranteed; the problem that the fan blade swings when being overhauled on the sea by using a hanging basket is solved.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical manufacturing, and in particular to a magnetic adsorption wind turbine blade maintenance lifting basket. Background Art

[0002] Wind energy from wind farms, as a natural resource with abundant reserves and widespread distribution, is one of the clean and renewable energy sources. Using wind energy to generate electricity not only helps reduce dependence on fossil fuels, but also helps reduce greenhouse gas emissions. It is an important means to achieve energy transformation and sustainable development goals.

[0003] With the advancement of technology and the reduction of costs, wind power is becoming one of the mainstream methods of renewable energy power generation in the world. With the rapid development of wind power around the world, the operation and maintenance of wind turbines has become increasingly important. Onshore wind turbines are affected by atmospheric corrosion, wind and sand erosion, dust accumulation, and ultraviolet aging. In addition to the common environmental impacts such as humidity, heat, and ultraviolet aging that are the same as onshore wind turbines, offshore wind turbines are also subject to chemical media, especially salt spray corrosion, which is also a major problem that plagues their operation and maintenance.

[0004] At present, the inspection and maintenance of towers and wind blades at home and abroad are mostly carried out by spidermen, or by electric wire rope hanging baskets. Spidermen and electric hanging baskets have huge safety hazards in the maintenance of towers and wind blades. The labor intensity of operators is high, the efficiency is low, and the quality of maintenance and protection often does not meet the requirements. At present, when some hanging baskets are repairing wind blades, the four corners of the hanging baskets must be connected to the ground with wire ropes on land to stabilize the hanging baskets before they can be repaired. However, when wind turbines are repairing wind blades at sea, it is impossible to fix the repair hanging baskets. Therefore, the market urgently needs an invention that can stabilize the hanging baskets when repairing wind blades at sea or on land, to fill the gap in this field and meet market demand.

[0005] Therefore, technical personnel in this field urgently need to provide a magnetically adsorbed wind turbine blade maintenance lifting basket, so that construction personnel can control the safe and stable lifting of the basket to perform wind blade maintenance operations, reducing the risk of the basket swinging with the wind, and safely, efficiently, intelligently, conveniently, multifunctionally and comprehensively inspect and repair wind turbine blades. Summary of the invention

[0006] The purpose of the present invention is to provide a magnetically adsorbed wind turbine blade maintenance lifting basket, so that construction personnel can control the safe and stable lifting of the basket to carry out wind blade maintenance operations, reducing the risk of the basket swinging with the wind, and safely, efficiently, intelligently, conveniently, multifunctionally and comprehensively inspecting and repairing wind turbine blades.

[0007] In order to achieve the above-mentioned object, the present invention provides a magnetic adsorption wind turbine blade maintenance lifting basket for repairing wind turbine blades, comprising: A magnetic adsorption pole climbing robot comprises a plurality of combined permanent magnetic wheels, a gear reduction box, a clamping plate, a self-locking reduction box, a motor, a central axis and a horizontal axis; the combined permanent magnetic wheels are mounted on the gear reduction box, and are adsorbed and closely attached to the wall of a wind power tower and move up and down along the surface thereof; the self-locking reduction box and the motor are mounted on the clamping plate, and the motor sequentially drives the self-locking reduction box and the gear reduction box to drive the combined permanent magnetic wheels to move vertically up and down; the central axis and the horizontal axis are mounted on the ends of the clamping plate; A hanging basket elevator is installed on the top of the wind turbine tower and is used to lift or lower the hanging basket assembly through a steel wire rope; The hanging basket assembly comprises a hanging basket body, a hanging basket ring and a hanging basket shaft. The upper end of the hanging basket body is provided with a hanging basket ring, the hanging basket ring is connected to the hanging basket elevator through a steel wire rope, and the hanging basket shaft is arranged on the side of the hanging basket body and connected to the telescopic movable rod assembly; The telescopic movable rod assembly enables the hanging basket assembly to adjust the distance according to the construction requirements; it includes a telescopic rod inner rod, an inner rod end sleeve, a telescopic rod outer rod, and an outer rod end sleeve; one end of the telescopic rod inner rod is welded to the inner rod end sleeve, and the other end is inserted into the telescopic rod outer rod for distance adjustment; the end of the telescopic rod outer rod is provided with the outer rod end sleeve, the inner rod end sleeve is used to connect the hanging basket shaft, and the outer rod end sleeve is used to connect the horizontal shaft.

[0008] Preferably, a connecting strut perpendicular to the telescopic rod is provided between the outer rods of the telescopic rod, and a connecting tension strut having a preset angle therewith is provided between the outer rods of the telescopic rod.

[0009] Preferably, there are multiple combined permanent magnet wheels, which are evenly distributed at the bottom of the gear reducer.

[0010] Preferably, the magnetic wheel surface of the combined permanent magnet wheel is subjected to non-metallization treatment.

[0011] Preferably, the hanging basket body comprises two transverse workbenches and two longitudinal workbenches, and there is a gap between the two transverse workbenches for the wind turbine blades to pass through.

[0012] Preferably, a collaborative robot is provided on the horizontal workbench, and the collaborative robot is provided with a spray gun, a manipulator, a video device and a high-pressure water pump to operate the wind turbine blades.

[0013] Preferably, guardrails are provided on both the transverse workbench and the longitudinal workbench.

[0014] Preferably, the magnetic adsorption pole climbing robot includes two groups, which are connected to the telescopic movable rod assembly through the horizontal axis.

[0015] Preferably, the two groups of magnetic adsorption pole climbing robots are respectively provided with vertical sensors to ensure that the walking speeds of the two groups of magnetic adsorption pole climbing robots remain synchronized.

[0016] Technical effects and advantages of the present invention: 1. The invention can be synchronously lifted and lowered on the tower for maintenance work, and plays the role of wind resistance and stabilizing the hanging basket when repairing wind turbine blades at sea or on land. It eliminates the difficulty of using cables to stabilize the four corners of the hanging basket during construction at sea or on land, reduces the number of construction personnel, and ensures the safety of personnel during operation; it solves the problem of swaying of wind blades when using a hanging basket for maintenance at sea, is safe and efficient, does not require cables, is intelligent and convenient, multifunctional, and can detect and repair wind turbines in all directions; 2. The magnetic adsorption pole climbing robot in the present invention can change according to the diameter of the wind power tower. The wall climbing robot not only has strong magnetic adsorption force and flexible walking, but also makes the platform safer and more stable. The self-locking mechanical structure design ensures the stability of the hanging basket assembly by adjusting the telescopic movable rod assembly, and the lifting is safer and more stable to meet the work needs; 3. The hanging basket elevator and the magnetic climbing robot in the present invention are lifted and lowered synchronously, and are flexibly connected without causing damage to the equipment. The two magnetic climbing robots walk synchronously in the horizontal direction, and the vertical tensile suction force of each robot at rest is greater than 500KG. The strong adsorption force is sufficient to meet the stability of the hanging basket lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the magnetic adsorption wind turbine blade maintenance lifting basket in the present invention; Figure 2 for Figure 1 AA cross-sectional view of the medium magnetic adsorption wind turbine blade maintenance lifting basket; Figure 3 for Figure 1 A partial enlarged view of the medium magnetic adsorption wind turbine blade maintenance lifting basket.

[0018] in, Figure 1-Figure 3 middle: 1. Wind turbine blades; 2. Wind turbine towers; 100, magnetic adsorption pole climbing robot; 110, combined permanent magnet wheel; 120, gear reduction box; 130, clamping plate; 140, self-locking reduction box; 150, motor; 160, middle shaft; 170, horizontal shaft; 200, hanging basket lift; 210, wire rope; 300, hanging basket assembly; 310, hanging basket body; 320, hanging basket ring; 330, hanging basket shaft; 400, telescopic movable rod assembly; 410, telescopic rod inner rod; 420, inner rod end sleeve; 430, telescopic rod outer rod; 440, outer rod end sleeve; 450, connecting support; 460, connecting tension support. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0020] like Figure 1-Figure 3 As shown, the present invention provides a magnetic adsorption wind turbine blade maintenance lifting basket, which is used to repair wind turbine blades. The wind turbine equipment includes a wind turbine, a wind turbine blade 1 and a wind turbine tower 2. The present invention includes a magnetic adsorption wind turbine blade maintenance lifting basket, which includes a magnetic adsorption climbing robot 100, a basket elevator 200, a basket assembly 300 and a telescopic movable rod assembly 400.

[0021] The magnetic adsorption pole climbing robot 100 of the present invention includes a plurality of combined permanent magnetic wheels 110, a gear reduction box 120, a clamping plate 130, a self-locking reduction box 140, a motor 150, a central axis 160 and a horizontal axis 170; the combined permanent magnetic wheels in this embodiment are two groups, which are respectively installed on two gear reduction boxes 120. The combined permanent magnetic wheels 110 are adsorbed and closely attached to the wall of the wind power tower 2 and move up and down along its surface. The number of combined permanent magnetic wheels can be determined according to needs. In this embodiment, the magnetic wheel surface of the combined permanent magnetic wheels 110 can be non-metallized to prevent surface corrosion. Each group of combined permanent magnetic wheels 110 includes four permanent magnetic wheels. Through the two groups of magnetic adsorption pole climbing robots walking synchronously in the horizontal direction, each stationary vertical tensile suction force is greater than 500KG, and the strong adsorption force is sufficient to meet the stability of the hanging basket lifting.

[0022] A self-locking reduction box 140 and a motor 150 are installed on the splint 130 . The motor 150 drives the self-locking reduction box 140 and the gear reduction box 120 in turn to drive the combined permanent magnet wheel 110 to move vertically up and down. A central shaft 160 and a horizontal shaft 170 are installed at the ends of the splint 130 .

[0023] The magnetic pole climbing robot of the present invention is driven by a motor 150 with a self-locking reduction box 140, the self-locking reduction box 140 drives the gear reduction boxes 120 at both ends, and the gear reduction boxes 120 drive a plurality of combined permanent magnetic wheels 110 at the lower end, and can be adsorbed on the wind power tower 2 and walk vertically up and down during operation. In order to synchronize the two groups of combined permanent magnetic wheels 110, the vertical sensor automatically adjusts the walking speed of the two magnetic pole climbing robots to keep them horizontally ascending and descending.

[0024] The magnetic adsorption pole climbing robot in the present invention can change according to the diameter of the wind power tower. The wall climbing robot not only has strong magnetic adsorption force and flexible walking, but also makes the platform safer and more stable, and has a self-locking mechanical structure design.

[0025] It is worth noting that the gear reducer 120 and the self-locking reducer 140 in the present invention are prior art, and existing products are already produced and sold in the market.

[0026] The hanging basket elevator 200 is installed on the top of the wind power tower 2, and the hanging basket assembly 300 is lifted or lowered by the steel wire rope 210. The synchronous lifting of the hanging basket elevator 200 and the magnetic adsorption climbing robot 100 is a flexible connection, which will not cause damage to the equipment.

[0027] The hanging basket assembly 300 includes a hanging basket body 310, a hanging basket ring 320 and a hanging basket shaft 330. The upper end of the hanging basket body 310 is provided with a hanging basket ring 320, and the hanging basket ring 320 is connected to the hanging basket elevator 200 through a wire rope 210. The hanging basket shaft 330 is arranged on the side of the hanging basket body 310 and is connected to the telescopic movable rod assembly 400.

[0028] The hanging basket body 310 includes two transverse working platforms and two longitudinal working platforms, and there is a preset spacing between the two transverse working platforms and the two longitudinal working platforms for the wind turbine blades 1 to pass through.

[0029] In addition, a collaborative robot may be provided on the upper hanging basket body 310, and the collaborative robot is provided with a spray gun, a manipulator, a video device and a high-pressure water pump to operate the wind turbine blade 1. To protect the operators, guardrails are provided on the horizontal workbench and the vertical workbench.

[0030] The telescopic movable rod assembly 400 is used to adjust the distance of the hanging basket assembly 300 according to construction requirements; it includes a telescopic rod inner rod 410, an inner rod end sleeve 420, a telescopic rod outer rod 430, and an outer rod end sleeve 440; one end of the telescopic rod inner rod 410 is welded with the inner rod end sleeve 420, and the other end is inserted into the telescopic rod outer rod 430 for distance adjustment. The end of the telescopic rod outer rod 430 is provided with an outer rod end sleeve 440, the inner rod end sleeve 420 is used to connect to the hanging basket shaft 330, and the outer rod end sleeve 440 is used to connect to the horizontal shaft 170.

[0031] A connecting strut 450 perpendicular to the telescopic rod outer rods 430 is provided between the telescopic rod outer rods 430, and a connecting tensioning strut 460 with a preset angle therewith is provided between the telescopic rod outer rods 430 to improve its stability.

[0032] In summary, the present invention can be synchronously lifted and lowered on the tower for maintenance work, and plays a role in wind resistance and stabilizing the hanging basket when repairing wind turbine blades at sea or on land. It eliminates the difficulty of using cables to stabilize the four corners of the hanging basket during construction at sea or on land, reduces the number of construction personnel, and ensures the safety of personnel during operation; it solves the problem of swaying of wind blades when repairing wind turbines at sea, is safe and efficient, does not require cables, is intelligent and convenient, multifunctional, and can detect and repair wind turbines in all directions.

[0033] The above describes in detail the structure, features and effects of the present invention based on the embodiments shown in the drawings. The above is only a preferred embodiment of the present invention, but the present invention is not limited to the scope of implementation shown in the drawings. Any changes made according to the concept of the present invention, or modifications to equivalent embodiments with equivalent changes, which still do not exceed the spirit covered by the description and drawings, should be within the protection scope of the present invention.

Claims

1. A magnetic adsorption wind turbine blade maintenance lifting basket, used for repairing wind turbine blades, characterized in that: include A magnetic adsorption pole climbing robot comprises a plurality of combined permanent magnetic wheels, a gear reduction box, a clamping plate, a self-locking reduction box, a motor, a central axis and a horizontal axis; the combined permanent magnetic wheels are mounted on the gear reduction box, and are adsorbed and closely attached to the wall of a wind power tower and move up and down along the surface thereof; the self-locking reduction box and the motor are mounted on the clamping plate, and the motor sequentially drives the self-locking reduction box and the gear reduction box to drive the combined permanent magnetic wheels to move vertically up and down; the central axis and the horizontal axis are mounted on the ends of the clamping plate; A hanging basket elevator is installed on the top of the wind turbine tower and is used to lift or lower the hanging basket assembly through a steel wire rope; The hanging basket assembly comprises a hanging basket body, a hanging basket ring and a hanging basket shaft. The upper end of the hanging basket body is provided with a hanging basket ring, the hanging basket ring is connected to the hanging basket elevator through a steel wire rope, and the hanging basket shaft is arranged on the side of the hanging basket body and connected to the telescopic movable rod assembly; A telescopic movable rod assembly enables the hanging basket assembly to adjust the distance according to construction requirements; It includes an inner rod of a telescopic rod, an end sleeve of the inner rod, an outer rod of a telescopic rod, and an end sleeve of the outer rod; One end of the inner rod of the telescopic rod is welded to the inner rod end sleeve, and the other end is inserted into the outer rod of the telescopic rod for distance adjustment. The end of the outer rod of the telescopic rod is provided with the outer rod end sleeve, the inner rod end sleeve is used to connect the hanging basket shaft, and the outer rod end sleeve is used to connect the horizontal shaft.

2. The magnetic adsorption wind turbine blade maintenance lifting basket according to claim 1 is characterized in that: A connecting brace perpendicular to the telescopic rods is provided between the outer rods of the telescopic rods, and a connecting tension brace with a preset angle therewith is provided between the outer rods of the telescopic rods.

3. The magnetic adsorption wind turbine blade maintenance lifting basket according to claim 1 is characterized in that: There are multiple combined permanent magnet wheels, which are evenly distributed at the bottom of the gear reducer.

4. The magnetic adsorption wind turbine blade maintenance lifting basket according to claim 3 is characterized in that: The magnetic wheel surface of the combined permanent magnetic wheel is subjected to non-metallization treatment.

5. The magnetic adsorption wind turbine blade maintenance lifting basket according to claim 1 is characterized in that: The hanging basket body comprises two transverse working tables and two longitudinal working tables, and there is a space between the two transverse working tables for the wind turbine blades to pass through.

6. The magnetic adsorption wind turbine blade maintenance lifting basket according to claim 5 is characterized in that: A collaborative robot is disposed on the horizontal workbench. The collaborative robot is provided with a spray gun, a manipulator, a video device and a high-pressure water pump to operate the wind turbine blades.

7. The magnetic adsorption wind turbine blade maintenance lifting basket according to claim 5 is characterized in that: The horizontal workbench and the vertical workbench are both provided with guardrails.

8. The magnetic adsorption wind turbine blade maintenance lifting basket according to claim 1 is characterized in that: The magnetic adsorption pole climbing robot includes two groups, which are connected to the telescopic movable rod assembly through the horizontal axis.

9. The magnetic adsorption wind turbine blade maintenance lifting basket according to claim 8 is characterized in that: The two groups of magnetic adsorption pole climbing robots are respectively provided with vertical sensors to ensure that the walking speeds of the two groups of magnetic adsorption pole climbing robots remain synchronized.

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