Fan blade hoisting protection device
By combining a two-way lead screw with a servo motor and designing an elastic buffer, the problems of unstable fixing and lack of protection in traditional hoisting methods are solved, achieving stable hoisting and safe protection of wind turbine blades.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-10
AI Technical Summary
In traditional wind turbine blade hoisting methods, the hoisting ropes are unstable and prone to swaying, failing to absorb impact vibrations, which can lead to blade damage and lack of protective structure, affecting safety.
The reinforcement module uses a bidirectional lead screw in conjunction with a servo motor to achieve flexible fixation, combined with an elastic buffer to absorb impact vibration, and provides additional protection through the protective plate of the extension module.
This improves the stability and safety of wind turbine blade hoisting, prevents blade damage from shaking and external impacts, and enhances the protection effect during the hoisting process.
Smart Images
Figure CN224105359U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fan field especially relates to a fan blade hoisting protection device. BACKGROUND
[0002] In the installation and maintenance operation process of the wind power generation equipment, the fan blade hoisting is the key core link, and the operation precision and safety directly relate to the installation quality and subsequent operation efficiency of the entire wind turbine generator system, and multiple factors such as weather, equipment and personnel need to be comprehensively considered in the hoisting process to ensure that the blade is accurately positioned and stably installed.
[0003] The traditional fan blade hoisting mode adopts the method that the hoisting rope is directly fixed to the blade, and this method is simple and convenient, but has the following shortcomings: firstly, due to the different sizes and shapes of the fan blades, the use of the hoisting rope leads to unstable fixation and easy shaking during hoisting, when the fan blade is impacted or vibrated by external factors, the hoisting rope cannot absorb and disperse the energy, directly leading to excessive stress on the blade and damage to the blade, and causing safety hazards to the blade and surrounding personnel; in addition, the traditional hoisting device lacks additional protective structures, cannot provide effective protection for the blade, and leads to damage to the blade during hoisting due to external factors. SUMMARY
[0004] In order to overcome the problems in the prior art that the traditional fan blade hoisting mode uses the hoisting rope for fixation, is prone to shaking, cannot absorb impact and vibration, causes damage to the blade, and lacks protective structures, and the blade is prone to damage due to external factors.
[0005] The technical scheme of the utility model is as follows: a fan blade hoisting protection device, comprising a lifting appliance, a fan blade connected to the lower end of the lifting appliance through a hoisting rope, a reinforcing module arranged at the lower end of the lifting appliance, the reinforcing module comprising two supporting plates arranged at the lower end of the lifting appliance, the surface of one of the supporting plates is provided with a bearing seat, the surface of the other supporting plate is provided with a servo motor, a bidirectional screw rod is rotatably connected in the bearing seat, one end of the bidirectional screw rod is connected with the output shaft of the servo motor, a moving seat is threadedly connected to the outer wall of the bidirectional screw rod, an elastic buffer is arranged at the lower end of the moving seat, the elastic buffer is in elastic contact with the surface of the fan blade, the upper end of the moving seat is connected with the lower end of the lifting appliance through a sliding structure, a stretching module is arranged in the lifting appliance, the stretching module comprises a cavity formed in the lifting appliance, a protective plate is arranged in the cavity, screw holes are formed in the side end of the protective plate, the screw holes are distributed along the long side direction of the protective plate, an extension block is integrally arranged at the side end of the lifting appliance, a screw rod is threadedly connected in the extension block, an operating part is arranged at one end of the screw rod, the other end of the screw rod is threadedly connected with the screw holes.
[0006] Preferably, the sliding structure comprises a guide rail arranged at the lower end of the lifting appliance, a sliding block is slidably connected to the guide rail, and the end surface of the sliding block is connected with the upper end of the moving seat.
[0007] As preferred, the operation part is a knob, and the surface of the knob is provided with anti-skid lines.
[0008] As preferred, the elastic buffer is a rubber soft disc, and the rubber soft disc is adsorbed on the surface of the fan blade.
[0009] As preferred, the other end of the screw rod extends to the outside of the extension block and is provided with a locking nut.
[0010] As preferred, the upper and lower inner walls of the cavity are provided with guide grooves, and the upper and lower sides of the protection plate are provided with convex strips matched with the guide grooves, and the convex strips are in sliding connection with the guide grooves.
[0011] As preferred, the convex strips and the guide grooves are provided with magnets, and the convex strips and the guide grooves are in magnetic connection.
[0012] The beneficial effects of the utility model are as follows:
[0013] The utility model discloses a reinforcing module and a servo motor cooperate through the bidirectional screw rod in the reinforcing module, realize flexible fixing and adjustment to different size fan blades, compared with the fixing mode of traditional hanging rope, improve stability, and the design of elastic buffer effectively absorbs the impact and vibration in the hoisting process, provides more reliable buffer protection for fan blade, and the protection plate of extension module can be drawn out and provide additional protection when needed, compared with the device without protection, further enhance the safety of fan blade in the hoisting process. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The utility model discloses a reinforcing module and a servo motor cooperate through the bidirectional screw rod in the reinforcing module, realize flexible fixing and adjustment to different size fan blades, compared with the fixing mode of traditional hanging rope, improve stability, and the design of elastic buffer effectively absorbs the impact and vibration in the hoisting process, provides more reliable buffer protection for fan blade, and the protection plate of extension module can be drawn out and provide additional protection when needed, compared with the device without protection, further enhance the safety of fan blade in the hoisting process.
[0015] Figure 2 The utility model discloses a reinforcing module and a servo motor cooperate through the bidirectional screw rod in the reinforcing module, realize flexible fixing and adjustment to different size fan blades, compared with the fixing mode of traditional hanging rope, improve stability, and the design of elastic buffer effectively absorbs the impact and vibration in the hoisting process, provides more reliable buffer protection for fan blade, and the protection plate of extension module can be drawn out and provide additional protection when needed, compared with the device without protection, further enhance the safety of fan blade in the hoisting process.
[0016] Figure 3 The utility model discloses a reinforcing module and a servo motor cooperate through the bidirectional screw rod in the reinforcing module, realize flexible fixing and adjustment to different size fan blades, compared with the fixing mode of traditional hanging rope, improve stability, and the design of elastic buffer effectively absorbs the impact and vibration in the hoisting process, provides more reliable buffer protection for fan blade, and the protection plate of extension module can be drawn out and provide additional protection when needed, compared with the device without protection, further enhance the safety of fan blade in the hoisting process.
[0017] Figure 4 The utility model discloses a reinforcing module and a servo motor cooperate through the bidirectional screw rod in the reinforcing module, realize flexible fixing and adjustment to different size fan blades, compared with the fixing mode of traditional hanging rope, improve stability, and the design of elastic buffer effectively absorbs the impact and vibration in the hoisting process, provides more reliable buffer protection for fan blade, and the protection plate of extension module can be drawn out and provide additional protection when needed, compared with the device without protection, further enhance the safety of fan blade in the hoisting process.
[0018] Figure 5 The utility model discloses a reinforcing module and a servo motor cooperate through the bidirectional screw rod in the reinforcing module, realize flexible fixing and adjustment to different size fan blades, compared with the fixing mode of traditional hanging rope, improve stability, and the design of elastic buffer effectively absorbs the impact and vibration in the hoisting process, provides more reliable buffer protection for fan blade, and the protection plate of extension module can be drawn out and provide additional protection when needed, compared with the device without protection, further enhance the safety of fan blade in the hoisting process.
[0019] The utility model discloses a reinforcing module and a servo motor cooperate through the bidirectional screw rod in the reinforcing module, realize flexible fixing and adjustment to different size fan blades, compared with the fixing mode of traditional hanging rope, improve stability, and the design of elastic buffer effectively absorbs the impact and vibration in the hoisting process, provides more reliable buffer protection for fan blade, and the protection plate of extension module can be drawn out and provide additional protection when needed, compared with the device without protection, further enhance the safety of fan blade in the hoisting process. DETAILED DESCRIPTION
[0020] The utility model is further explained in connection with the drawings and examples.
[0021] Please refer to Figure 1 - Figure 5The utility model provides a kind of embodiment: a fan blade 2 hoisting protection device, including lifting appliance 1, the lower end of lifting appliance 1 is connected with fan blade 2 by lifting rope, the lower end of lifting appliance 1 is provided with reinforcing module, reinforcing module includes the two plates 3 of being arranged in the lower end of lifting appliance 1, the surface of one plate 3 is provided with bearing seat 4, the surface of another plate 3 is provided with servo motor 5, bearing seat 4 is rotatably connected with bidirectional screw rod 6, one end of bidirectional screw rod 6 is connected with the output shaft of servo motor 5, the outer wall of bidirectional screw rod 6 is connected with moving seat 7 in screw thread, the lower end of moving seat 7 is provided with elastic buffer, and elastic buffer is elastically contacted with the surface of fan blade 2, and the lower end of lifting appliance 1 is connected with the lower end of lifting appliance 1 by sliding structure, lifting appliance 1 is provided with extension module, extension module includes the cavity 8 of being opened in lifting appliance 1, the cavity 8 is provided with protective plate 9, the side end of protective plate 9 is opened with screw hole 10, screw hole 10 is distributed along the long side direction of protective plate 9, and the side end of lifting appliance 1 is integrally provided with extension block 11, and screw rod 12 is connected in screw thread in extension block 11, one end of screw rod 12 is provided with operating part, and the other end of screw rod 12 is connected with screw hole 10 in screw thread, lifting appliance 1 is as the basic load-bearing component of entire device, lifting appliance 1 plays the role of connecting upper hoisting equipment and lower fan blade 2, bearing seat 4 is installed on the surface of one plate 3, provides stable rotating support for bidirectional screw rod 6, guarantees that bidirectional screw rod 6 can rotate smoothly, servo motor 5 is installed on the surface of another plate 3, as the power source of bidirectional screw rod 6 rotation, realizes accurate control to bidirectional screw rod 6 rotation, bidirectional screw rod 6 is converted into the linear motion of moving seat 7 by its special screw thread design to the rotary motion of servo motor 5, and due to its bidirectional thread characteristics, can make two moving seats 7 move simultaneously towards or away from each other, realize flexible fixing and adjustment to different size fan blade 2, the lower end of moving seat 7 is provided with elastic buffer, for elastically contacted with the surface of fan blade 2, provides buffer protection for fan blade 2 during hoisting, when fan blade 2 is impacted or vibrated by external force, elastic buffer can absorb and disperse energy by its elastic deformation, reduce the direct impact force on fan blade 2, avoid fan blade 2 from being damaged due to excessive stress, sliding structure makes moving seat 7 can be driven along specific direction by bidirectional screw rod 6 and move smoothly in straight line, guarantee the smoothness and stability of moving seat 7 movement, the cavity 8 is opened in lifting appliance 1 inside, provides space for the storage of protective plate 9, when not using protective plate 9, protective plate 9 can be stored in the cavity 8, reduce the overall volume of device, facilitate the storage and transportation of device, when the protection range needs to be expanded, protective plate 9 can be extracted from the cavity 8, fixed by cooperation with screw rod 12, provide additional protection for fan blade 2, prevent fan blade 2 from being collided or scraped by external objects during hoisting, extension block 11 provides installation base for screw rod 12, so that screw rod 12 can be stably connected with the screw hole 10 of protective plate 9, guarantee the fixing reliability of protective plate 9 in unfolded state.
[0022] Please refer to Figure 2 - Figure 3 In the embodiment, the sliding structure comprises a guide rail 13 arranged at the lower end of the lifting tool 1, a sliding block 14 is slidingly connected to the guide rail 13, the end surface of the sliding block 14 is connected to the upper end of the moving seat 7, the operation part is a knob 15, the surface of the knob 15 is provided with anti-skid lines, the elastic buffer is a rubber soft disc 16, the rubber soft disc 16 is adsorbed to the surface of the fan blade 2, the other end of the screw rod 12 extends to the outside of the extension block 11 and is provided with a locking nut, the guide rail 13 provides a sliding track for the sliding block 14, the end surface of the sliding block 14 is connected to the upper end of the moving seat 7, so that the sliding movement of the sliding block 14 is transmitted to the moving seat 7, driving the moving seat 7 to move correspondingly, the knob 15 can be rotated to drive the screw rod 12 to rotate, the anti-skid lines are arranged on the surface of the knob 15, which is used for increasing the friction between the hands of the operator and the knob 15, preventing the hands from slipping when rotating the knob 15, and improving the accuracy and convenience of operation, the rubber soft disc 16 has elasticity and can absorb and buffer the impact force or pressure acting on it, in the embodiment, the rubber soft disc 16 is adsorbed to the surface of the fan blade 2, which can reduce the rigid impact on the fan blade 2 during operation, protecting the fan blade 2 from being damaged, on the other hand, the elastic property of the rubber soft disc 16 can make it better fit the surface of the fan blade 2, the locking nut is arranged at the end of the screw rod 12 extending to the outside of the extension block 11, which is used for locking the position of the screw rod 12, when the screw rod 12 is adjusted to the required position, the locking nut can be tightened to prevent the screw rod 12 from loosening or moving due to external force.
[0023] Please refer to Figure 5 In the embodiment, the upper and lower inner walls of the cavity 8 are provided with guide grooves 17, the upper and lower sides of the protective plate 9 are provided with convex strips 18 matched with the guide grooves 17, the convex strips 18 are slidingly connected with the guide grooves 17, magnets are arranged in the convex strips 18 and the guide grooves 17, the convex strips 18 are magnetically connected with the guide grooves 17, the guide grooves 17 are matched with the convex strips 18 on the protective plate 9, the sliding function of the protective plate 9 is realized through the sliding connection of the convex strips 18 and the guide grooves 17, at the same time, magnets are arranged in the convex strips 18 and the guide grooves 17, the connection stability between the protective plate 9 and the cavity 8 is enhanced through magnetic connection, the magnetic connection can also play an auxiliary fixing role to a certain extent, so that the protective plate 9 can be adsorbed and fixed when sliding to a specific position.
[0024] Working principle: first, the hanger 1 and the upper hoisting equipment connection, and through the rope will be fixed fan blade 2 in the lower end of the hanger 1, then, start servo motor 5, servo motor 5 through the output shaft drive bidirectional screw rod 6 in bearing seat 4 rotation, because of the special screw design of bidirectional screw rod 6, its rotary motion is converted into the linear motion of moving seat 7. Two moving seat 7 under the drive of bidirectional screw rod 6, can be simultaneously towards or away from the movement, ensure that the blade is firmly fixed;
[0025] The lower end of the moving seat 7 is provided with rubber soft disc 16 as elastic buffer, it is in elastic contact with the surface of fan blade 2, in the process of hoisting, if the blade is impacted or vibration, rubber soft disc 16 can absorb and disperse energy through its elastic deformation, reduce the direct impact force on the blade, protect the blade from damage;
[0026] When the need to expand the protection range of fan blade 2, from the cavity 8 in the hanger 1 out of the protective plate 9, the upper and lower sides of protective plate 9 are provided with convex strip 18, and the guide groove 17 in the cavity 8 is connected with sliding, convex strip 18 and guide groove 17 are provided with magnet, through the magnetic connection to enhance the stability of protective plate 9, after sliding to the appropriate position of protective plate 9, through the rotation of knob 15 drive screw 12 rotation, the other end of screw 12 and the screw hole 10 on the protective plate 9 is screwed, and through the locking nut locking screw 12 position, ensure the reliable fixation of protective plate 9 in the state of expansion.
[0027] Through the above steps, through the use of bidirectional screw rod 6 and servo motor 5 cooperation, flexible fixation of different size fan blade 2, more stable than the traditional rope way, elastic buffer absorbs impact vibration, provides reliable protection, stretching module protective plate 9 can be extracted to increase protection, enhance the safety of hoisting, solves the traditional fan blade 2 hoisting way with rope fixed, easy to sway, can't absorb impact vibration, resulting in blade damage, and lack of protection structure, blade is easy to be damaged by external factors.
Claims
1. A wind turbine blade hoist protection device, characterized in that: The utility model relates to a wind turbine blade lifting device, including has the lifting appliance (1), the lower end of lifting appliance (1) is connected with the wind turbine blade (2) through the lifting rope, the lower end of lifting appliance (1) is provided with the reinforcing module, the reinforcing module includes the two plates (3) of setting in the lower end of lifting appliance (1), the surface of one plate (3) is provided with bearing seat (4), the surface of another plate (3) is provided with servo motor (5), bearing seat (4) is rotatably connected with the two -way screw rod (6) in, one end of two -way screw rod (6) is connected with the output shaft of servo motor (5), and the outer wall threaded connection of two -way screw rod (6) has the moving seat (7), and the lower end of moving seat (7) is provided with the elastic buffer, and the elastic buffer is in elastic contact with the surface of wind turbine blade (2), and the upper end of moving seat (7) is connected with the lower end of lifting appliance (1) through the sliding structure, and lifting appliance (1) is provided with the extension module in, and the extension module includes the cavity (8) of setting in lifting appliance (1), and the cavity (8) is provided with the protection board (9), and the side end of protection board (9) is provided with the screw hole (10), and the screw hole (10) is along protection board (9) long side direction distribution, and the side end of lifting appliance (1) is integrally provided with the extension block (11), and the extension block (11) is screw rod (12) is connected with, and one end of screw rod (12) is provided with operating part, and the other end of screw rod (12) is screw thread connection with screw hole (10).
2. A fan blade hoist protection device according to claim 1, characterised in that: The sliding structure includes a guide rail (13) disposed at the lower end of the lifting appliance (1), and a sliding block (14) is slidably connected to the guide rail (13), and the end face of the sliding block (14) is connected to the upper end of the moving seat (7).
3. A fan blade hoist protection device according to claim 2, characterised in that: The operating part is a knob (15), and the surface of the knob (15) is provided with anti-slip lines.
4. A fan blade hoist protection device according to claim 3, characterised in that: The elastic buffer is a rubber floppy disk (16), and the rubber floppy disk (16) is adsorbed to the surface of the wind turbine blade (2).
5. A fan blade hoist protection device according to claim 4, characterised in that: The other end of the screw rod (12) extends to the outside of the extension block (11) and is provided with a locking nut.
6. A fan blade hoist protection device according to claim 5, characterised in that: The upper and lower inner walls of the cavity (8) are provided with guide grooves (17), and the upper and lower sides of the protection board (9) are provided with protrusions (18) matched with the guide grooves (17), and the protrusions (18) are slidably connected with the guide grooves (17).
7. A fan blade hoist protection device according to claim 6, characterised in that: Magnets are arranged in the protrusions (18) and the guide grooves (17), and the protrusions (18) and the guide grooves (17) are magnetically connected.