Auxiliary protection equipment for wind turbine maintenance
By designing an auxiliary protection device for wind turbine maintenance, using components such as magnetic suction cups, movable blocks and belts, the safety problems of maintenance personnel when working at high altitudes and the problem of smooth generator surface increasing difficulty, achieving a safe and stable maintenance process.
Patent Information
- Application Number
- CN202421623017.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-07-10
AI Technical Summary
During the maintenance of wind turbines, the maintenance personnel are at high places and are prone to fall due to wind power. The blades of the wind turbine may cause harm to the maintenance personnel. At the same time, the generator surface is smooth and lacks a force point, which increases the difficulty of repair.
Design an auxiliary protection device, including supporting table, magnetic suction cup, movable block, upper rod, cylinder and waist belt, etc. The magnetic suction cup is adsorbed on the outer wall of the wind turbine, and the sliding mechanism of the movable block and cylinder is used to tighten and relax the compression spring, providing stable support, and is fixed to the stress point on the maintenance personnel through the combination of belt and damping rope to ensure safety and stability.
It effectively prevents maintenance personnel from falling and being damaged by blades due to wind, and also provides a leverage point, reducing maintenance difficulty and improving work safety and efficiency.
Smart Images
Figure CN222717009U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wind power generation equipment, in particular to an auxiliary protection device used for repairing a wind power generator. Background Art
[0002] A wind turbine is a device that converts wind energy into electrical energy, and is mainly composed of a wind wheel, a generator, a rotor, a tower, a control system, an inverter, etc. Its working principle is to use wind power to drive the wind wheel to rotate, convert wind energy into mechanical energy, and then convert mechanical energy into electrical energy through a generator.
[0003] When a wind turbine needs maintenance, it is necessary for a person to climb up to the top of the wind turbine through the stairs from the inside of the wind turbine cabin, come out of the hatch, connect the safety clothing and the traction rope to the fixed points through the fixed points at the hatch, and then walk out of the hatch to the various outer surfaces of the wind turbine for maintenance. Although the connection of fixed points and traction ropes has been utilized in the prior art to ensure personal safety, when repairing the wind turbine, the maintenance personnel are at a very high place, the maintenance time is long, and the wind will blow towards the maintenance personnel in gusts, making it easy for them to fall from a height. The maintenance personnel wear safety clothing, but the wind may blow the maintenance personnel to the blades of the wind turbine, and the blades of the wind turbine are also driven by wind. When the maintenance personnel blow over, the blades are likely to cause harm to the maintenance personnel, which greatly increases the danger of the work. During the maintenance of the wind turbine, the surface of the generator is smooth and there is no point for leverage, which increases the difficulty of the maintenance work. Utility Model Content
[0004] The purpose of the utility model is to solve the problem in the prior art that when repairing a wind turbine, the maintenance personnel are at a very high place, the maintenance time is long, the wind will blow towards the maintenance personnel in gusts, and it is easy to fall from the height. The maintenance personnel wear safety clothes, but the wind may blow the maintenance personnel to the blades of the wind turbine, and the blades of the wind turbine are also driven by wind. When the maintenance personnel blow over, the blades are likely to cause harm to the maintenance personnel, which greatly increases the danger of the work. During the maintenance of the wind turbine, the surface of the generator is smooth and there is no point for leverage, which increases the difficulty of the maintenance work.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an auxiliary protection device for repairing wind turbines, comprising: a support platform, a movable block and a cylinder, a magnetic suction cup is fixedly installed on the bottom of the support platform, a button is movably installed on the top of the magnetic suction cup, an outer surface of one side of the support platform is movably connected to two upper round rods through a movable block, the other side of the two upper round rods is movably connected to an upper fixed plate through a movable block, the other side of the two upper fixed plates is fixedly connected to a cylinder, and the other side of the two cylinders is fixedly connected to a lower fixed plate.
[0006] The technical effect of adopting the above further solution is: the button starts the magnetic suction cup to suck the outer wall of the wind turbine, the movable block drives the upper round rod to move on the outer surface of the support platform, and the upper round rod also moves on the outer surface of the upper fixed plate through the movable block.
[0007] As a preferred embodiment, it also includes a compression spring, which is connected in the middle of the two cylinders. The compression spring surrounds the outer surface of the cylinder. A lower fixed plate is fixedly connected to the other side of the two cylinders, and the two cylinders are movably connected to the outer surface of the cylinder.
[0008] The technical effect of adopting the above further solution is that the two cylinders slide on the cylinder to tighten and relax the compression spring, and the movement of the cylinder drives the lower fixed plate to move synchronously.
[0009] As a preferred embodiment, limit blocks are fixedly installed on both sides of the cylinder, the two lower fixed plates are movably connected to the lower round rods through movable blocks, and the other sides of the two lower round rods are movably connected to the connecting plates through movable blocks.
[0010] The technical effect of adopting the above further solution is that the lower fixed plate drives the lower round rod to move inside the connecting plate through the movable block.
[0011] As a preferred embodiment, a fixing block is fixedly mounted on the outer surface of the other side of the connecting plate, and two connecting rings are fixedly mounted on the outer surface of the fixing block.
[0012] The technical effect of adopting the above further solution is that the fixing block is used for fixing, and when the connecting plate is subjected to the force brought by tightening from above, the force can be transmitted to the connecting ring.
[0013] As a preferred embodiment, it also includes buckles, two of which are movably connected inside the connecting ring, and a damping rope is fixedly connected to the outer surface of one side of the two buckles.
[0014] The technical effect of adopting the above further solution is: the two buckles are connected inside the two connecting rings, and the connecting rings are subjected to force, which is transmitted to the damping rope through the buckles.
[0015] As a preferred embodiment, the other sides of the two damping ropes are fixedly connected to a connecting block, and one side of the connecting block is fixedly connected to a waist belt.
[0016] The technical effect of adopting the above further scheme is: two connecting blocks are fixed on both sides of the belt, the belt is used to be worn by the maintenance personnel, the force on the damping rope is transmitted to the belt through the connecting blocks, and the force points are located on both sides of the waist of the maintenance personnel.
[0017] As a preferred embodiment, a buckle is movably connected to an outer surface of one side of the waist belt, and a back pad is fixedly installed on an inner wall of one side of the waist belt.
[0018] The technical effect of adopting the above further solution is: the back pad is used to support the back of the maintenance personnel, and the buckle is used to clamp the maintenance personnel when wearing the belt.
[0019] As a preferred embodiment, a buckle seat is fixedly mounted on the outer surface of one side of the waist belt, a safety buckle is provided at the ring opening of the buckle seat, and the safety buckle is movably connected to the inside of the buckle seat.
[0020] The technical effect of adopting the above further scheme is: by arranging a buckle seat for fixing the safety buckle, the safety buckle is connected to the towing rope installed by the maintenance personnel at the fixed point at the cabin door, which plays a protective role.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] 1. When the utility model is in use, the staff connects the traction rope to the fixed point of the hatch and the other side to the safety buckle, adjusts the size of the belt according to the waist size, fastens it with the buckle after putting it on, then goes to the maintenance point, contacts the magnetic suction cup with the outer surface of the wind turbine, and turns it on by pressing the button. When the wind blows, the movable block drives the upper round rod to move on the outer surface of the support platform, and the upper round rod also moves on the outer surface of the upper fixed plate through the movable block, prompting the two cylinders to slide on the cylinder to squeeze and tighten the compression spring.
[0023] 2. In the utility model, the movement of the cylinder drives the lower fixed plate to move synchronously, and the lower fixed plate drives the lower round rod to move inside the connecting plate through the movable block. At this time, the belt tightens the damping rope through the connecting block, and the damping rope is tightened in the ring of the connecting ring through the buckle. By connecting the magnetic suction cup to the outer wall of the wind turbine, when there is no wind, it can also be used as a leverage point for maintenance personnel during operation, which solves the problem of smooth surface of the generator and increased work difficulty. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 A schematic diagram of the main structure of an auxiliary protection device for wind turbine maintenance provided by the utility model;
[0025] Figure 2 A schematic diagram of the side structure of an auxiliary protection device for wind turbine maintenance provided by the utility model;
[0026] Figure 3 The utility model provides an auxiliary protection device for wind turbine maintenance Figure 1 Schematic diagram of the middle compression spring;
[0027] Figure 4 The utility model provides an auxiliary protection device for wind turbine maintenance Figure 1 Schematic diagram of the structure at the middle waistband.
[0028] Legend:
[0029] 1. Support platform; 2. Fixed block; 3. Belt; 101. Magnetic suction cup; 102. Button; 103. Movable block; 104. Upper round rod; 105. Upper fixed plate; 106. Limit block; 107. Cylinder; 108. Cylinder; 109. Compression spring; 110. Lower fixed plate; 111. Lower round rod; 112. Connecting plate; 201. Connecting ring; 202. Buckle; 203. Damping rope; 204. Connecting block; 301. Back pad; 302. Lock buckle; 303. Buckle seat; 304. Safety buckle. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] See also Figure 1-4The utility model provides a technical solution: an auxiliary protection device for repairing a wind turbine generator, comprising: a support platform 1, a movable block 103 and a cylinder 107, a magnetic suction cup 101 is fixedly installed at the bottom of the support platform 1, a button 102 is movably installed on the top of the magnetic suction cup 101, one side outer surface of the support platform 1 is movably connected to two upper round rods 104 through the movable block 103, the other side of the two upper round rods 104 is movably connected to an upper fixed plate 105 through the movable block 103, the other side of the two upper fixed plates 105 is fixedly connected to a cylinder 108, and the other side of the two cylinders 108 is fixedly connected to a lower fixed plate 110, the button 102 starts the magnetic suction cup 101 to suck the outer wall of the wind turbine generator, the movable block 103 drives the upper round rod 104 to move on the outer surface of the support platform 1, and the upper round rod 104 also moves on the outer surface of the upper fixed plate 105 through the movable block 103.
[0032] like Figure 1-4 As shown, it also includes a compression spring 109, which is connected between the two cylinders 108. The compression spring 109 surrounds the outer surface of the cylinder 107. The other side of the two cylinders 108 is fixedly connected with a lower fixed plate 110. The two cylinders 108 are movably connected to the outer surface of the cylinder 107. The two cylinders 108 slide on the cylinder 107 to tighten and relax the compression spring 109. The movement of the cylinder 108 drives the lower fixed plate 110 to move synchronously.
[0033] like Figure 1-4 As shown, limit blocks 106 are fixedly installed on both sides of the cylinder 107, and the two lower fixed plates 110 are movably connected to the lower round rods 111 through the movable blocks 103. The other sides of the two lower round rods 111 are movably connected to the connecting plates 112 through the movable blocks 103. The lower fixed plates 110 drive the lower round rods 111 to move inside the connecting plates 112 through the movable blocks 103.
[0034] like Figure 1-4 As shown, a fixing block 2 is fixedly installed on the outer surface of the other side of the connecting plate 112, and two connecting rings 201 are fixedly installed on the outer surface of the fixing block 2. The fixing block 2 is used for fixing, and when the connecting plate 112 is subjected to the force brought by tightening above, the force can be transmitted to the connecting ring 201.
[0035] like Figure 1-4 As shown, it also includes buckles 202, two buckles 202 are movably connected inside the connecting ring 201, and the outer surface of one side of the two buckles 202 is fixedly connected with a damping rope 203. The two buckles 202 are connected inside the two connecting rings 201, and the connecting ring 201 is subjected to force, which is transmitted to the damping rope 203 through the buckles 202.
[0036] like Figure 1-4As shown, the other side of the two damping ropes 203 is fixedly connected to a connecting block 204, one side of the connecting block 204 is fixedly connected to a waist belt 3, the two connecting blocks 204 are fixed on both sides of the waist belt 3, the waist belt 3 is used to be worn by the maintenance personnel, and the force on the damping ropes 203 is transmitted to the waist belt 3 through the connecting block 204, and the force points are located on both sides of the waist of the maintenance personnel.
[0037] like Figure 1-4 As shown, a buckle 302 is movably connected to the outer surface of one side of the belt 3, and a back pad 301 is fixedly installed on one side of the inner wall of the belt 3. The back pad 301 is used to support the back of the maintenance personnel, and the buckle 302 is used to clamp the belt 3 when the maintenance personnel wears it.
[0038] like Figure 1-4 As shown, a buckle seat 303 is fixedly installed on the outer surface of one side of the belt 3, and a safety buckle 304 is provided at the loop of the buckle seat 303. The safety buckle 304 is movably connected to the inside of the buckle seat 303. The buckle seat 303 is provided for fixing the safety buckle 304. The safety buckle 304 is connected to a traction rope installed by maintenance personnel at a fixed point at the cabin door, thereby playing a protective role.
[0039] Working principle: This equipment is an auxiliary protection equipment for wind turbine maintenance. When in use, the staff connects the traction rope to the fixed point of the hatch, and the other side is connected to the safety buckle 304. The size of the waist belt 3 is adjusted according to the waist size. After wearing it, it is fastened by the lock buckle 302. Then go to the maintenance point, make the magnetic suction cup 101 contact the outer surface of the wind turbine, and turn it on through the button 102. When the wind blows, the movable block 103 drives the upper round rod 104 to move on the outer surface of the support platform 1, and the upper round rod 104 also moves on the outer surface of the upper fixed plate 105 through the movable block 103, prompting the two cylinders 108 to slide on the cylinder 107 to squeeze and tighten the compression spring 109. The cylinder 10 8 moves and drives the lower fixed plate 110 to move synchronously. The lower fixed plate 110 drives the lower round rod 111 to move inside the connecting plate 112 through the movable block 103. At this time, the belt 3 tightens the damping rope 203 through the connecting block 204, and the damping rope 203 is tightened in the ring of the connecting ring 201 through the ring buckle 202. This solves the problem that when maintenance personnel are working at high places and the wind blows over in gusts, it is easy for the maintenance personnel to be driven to the blades and the blades to scratch the personnel. By connecting the magnetic suction cup 101 to the outer wall of the wind turbine, when there is no wind, it can also be used as a leverage point for maintenance personnel during operation, solving the problem that the surface of the generator is smooth and the difficulty of work is increased.
[0040] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. An auxiliary protection device for wind turbine maintenance, characterized in that: include: A support platform (1), a movable block (103) and a cylinder (107); a magnetic suction cup (101) is fixedly mounted on the bottom of the support platform (1); a button (102) is movably mounted on the top of the magnetic suction cup (101); an outer surface of one side of the support platform (1) is movably connected to two upper round rods (104) via a movable block (103); the other sides of the two upper round rods (104) are movably connected to an upper fixed plate (105) via the movable block (103); the other sides of the two upper fixed plates (105) are fixedly connected to a cylinder (108); and the other sides of the two cylinders (108) are fixedly connected to a lower fixed plate (110).
2. The auxiliary protection device for wind turbine maintenance according to claim 1, characterized in that: It also includes a compression spring (109), which is connected between the two cylinders (108). The compression spring (109) surrounds the outer surface of the cylinder (107), and the two cylinders (108) are movably connected to the outer surface of the cylinder (107).
3. The auxiliary protection device for wind turbine maintenance according to claim 2 is characterized in that: Limit blocks (106) are fixedly installed on both sides of the cylinder (107); the two lower fixed plates (110) are movably connected to lower round rods (111) via movable blocks (103); and the other sides of the two lower round rods (111) are movably connected to connecting plates (112) via movable blocks (103).
4. The auxiliary protection device for wind turbine maintenance according to claim 3 is characterized in that: A fixing block (2) is fixedly mounted on the outer surface of the other side of the connecting plate (112), and two connecting rings (201) are fixedly mounted on the outer surface of the fixing block (2).
5. The auxiliary protection device for wind turbine maintenance according to claim 4, characterized in that: It also includes a ring buckle (202), wherein two of the ring buckles (202) are movably connected inside the connecting ring (201), and a damping rope (203) is fixedly connected to the outer surface of one side of the two ring buckles (202).
6. The auxiliary protection device for wind turbine maintenance according to claim 5, characterized in that: The other sides of the two damping ropes (203) are fixedly connected to a connecting block (204), and one side of the connecting block (204) is fixedly connected to a waist belt (3).
7. The auxiliary protection device for wind turbine maintenance according to claim 6, characterized in that: A buckle (302) is movably connected to the outer surface of one side of the waist belt (3), and a back pad (301) is fixedly mounted on one side of the inner wall of the waist belt (3).
8. The auxiliary protection device for wind turbine maintenance according to claim 7, characterized in that: A buckle seat (303) is fixedly mounted on the outer surface of one side of the waist belt (3), a safety buckle (304) is arranged at the loop opening of the buckle seat (303), and the safety buckle (304) is movably connected to the inside of the buckle seat (303).