Precise hoisting and positioning device for fan blade
By designing a precise lifting and positioning device for wind turbine blades, and utilizing guide tubes, positioning rods, and buffer components, the problems of tilting and collision during blade lifting were solved, thereby improving lifting efficiency and safety.
Patent Information
- Application Number
- CN202511240144.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-02
- Publication Date
- 2025-11-18
AI Technical Summary
In the existing technology, the wind turbine blade lifting tool lacks positioning components and buffer components, which makes the blades prone to tilting or rotating and colliding during the lifting process.
A precise lifting and positioning device for wind turbine blades was designed, including a clamp body, a support column, a positioning component, and a buffer component. Through the cooperation of the guide tube, positioning rod, limiting plate, and buffer component, the precise positioning and collision prevention of the blades are achieved.
This effectively prevents the blades from tilting or rotating due to wind or other factors during hoisting, improving hoisting efficiency and safety, reducing accident risks, and meeting offshore operation standards.
Smart Images
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Abstract
Description
Technical Field
[0001] This invention relates to the field of offshore wind turbine blade hoisting technology, specifically to a precise hoisting and positioning device for wind turbine blades. Background Technology
[0002] With technological advancements and increasing demand for clean energy, wind power technology has made significant progress. Wind power generation refers to a method of generating electricity by converting wind energy into electrical energy using wind power generation facilities. These facilities typically include a wind turbine tower, turbine blades, and a generator set. Regardless of whether the installation environment is offshore or onshore, the general installation process is as follows: first, a support base is constructed; then, the wind turbine tower is installed on the support base; next, the generator set is installed on top of the wind turbine tower; and finally, the wind turbine blades are installed on the generator set.
[0003] Because of the large size and weight of the wind turbine blades, as well as the high installation height, cranes and corresponding hoisting equipment are usually required to install the wind turbine blades.
[0004] However, as the hoisting device gradually lifts the wind turbine blades, external environmental factors such as wind force can cause the blades to tilt or rotate, colliding with the hoisting equipment. Current technology lacks positioning and buffer components in the blade hoisting equipment, making it impossible to prevent the blades from colliding with the equipment during hoisting.
[0005] Therefore, it is necessary to provide a precise hoisting and positioning device for wind turbine blades. Summary of the Invention
[0006] The purpose of this invention is to provide a precise lifting and positioning device for wind turbine blades, so as to solve the problem that the blade lifting tools in the prior art do not have positioning components and buffer components, and cannot prevent the blades from colliding with the lifting tools during the lifting process.
[0007] To achieve the above objectives, the present invention adopts the following technical solution: A precise hoisting and positioning device for wind turbine blades includes: The lifting device body includes a clamp body and a support column, wherein the clamp body is suspended on one side of the support column; A positioning component for limiting the blade is disposed on the side of the clamp body and is detachably connected to the lifting device body; A buffer assembly is connected to the side of the positioning assembly near the blade.
[0008] Furthermore, the positioning component includes: a guide tube and a positioning rod, wherein there are two guide tubes, which are arranged vertically at intervals along one side of the support column, and the sidewall of the guide tube is connected to the sidewall of the support column; the positioning rod is inserted into the guide tube. A limiting plate is connected to one end of the two positioning rods near the blade, and a buffer assembly is connected to the end of the limiting plate away from the positioning rods.
[0009] Furthermore, the positioning component also includes: a positioning pin; guide holes are correspondingly opened on the two opposite sides of the guide tube; a positioning hole is opened on the positioning rod; and the positioning pin is simultaneously inserted into the positioning hole and the guide hole.
[0010] Furthermore, both ends of the guide tube are rotatably connected to guide wheels, and the guide wheels are slidably connected to the positioning rod.
[0011] Furthermore, the buffer assembly includes: a telescopic rod and a first anti-collision plate; The telescopic rods are of two types, and the two telescopic rods are symmetrically connected to both ends of the limiting plate. The first anti-collision plate is disposed on the side of the telescopic rod away from the limiting plate. The telescopic ends of the two telescopic rods are respectively fixedly connected to both ends of the first anti-collision plate. Each telescopic rod is provided with a first spring, one end of which abuts against the fixed end of the telescopic rod, and the other end abuts against the first anti-collision plate.
[0012] Furthermore, the buffer assembly also includes: a first connecting rod, a first hinge rod, and a second hinge rod; The first connecting rod is connected to the side of the limiting plate away from the positioning rod. A first slider and a second slider are symmetrically arranged and slidably connected on the first connecting rod. A second spring is connected between the first slider and the second slider. The first anti-collision plate has a hinge seat connected to its middle part; the first hinge rod and the second hinge rod are symmetrically arranged; one end of the first hinge rod is hinged to the hinge seat and the other end is hinged to the first slider; one end of the second hinge rod is hinged to the hinge seat and the other end is hinged to the second slider.
[0013] Furthermore, there are multiple positioning holes and multiple guide holes. The multiple positioning holes are arranged at intervals along the length direction of the positioning rod, and the multiple guide holes are arranged at intervals along the length direction of the guide tube.
[0014] Furthermore, the limiting plate is connected to the positioning rod via a flange.
[0015] Furthermore, the bottom of the support column is connected to a reinforcing member for stabilizing the support column.
[0016] The present invention has the following beneficial effects: This invention, through the cooperative connection between the lifting device body and the positioning component, and between the positioning component and the buffer component, avoids the wind turbine blades from tilting or rotating and colliding with the lifting device due to the influence of external environmental factors such as wind force. It solves the problem in the prior art that the blade lifting device does not have a positioning component and a buffer component, and therefore cannot prevent the blades from colliding with the lifting device during the lifting process. Attached Figure Description
[0017] Figure 1 A three-dimensional structural schematic diagram of the wind turbine blade precision hoisting and positioning device provided by the present invention; Figure 2 This is an enlarged structural diagram of the positioning component and buffer component in the wind turbine blade precision hoisting and positioning device provided by the present invention; Figure 3 A schematic diagram of the internal structure of the buffer assembly in the wind turbine blade precision hoisting and positioning device provided by the present invention; Figure 4 This is an enlarged structural schematic diagram of the positioning rod in the wind turbine blade precision hoisting and positioning device provided by the present invention; Figure 5 This is an enlarged schematic diagram of the overall structure of the buffer component in the precise hoisting and positioning device for wind turbine blades provided by the present invention; Figure 6 This is a three-dimensional structural diagram of the guide tube in the wind turbine blade precision hoisting and positioning device provided by the present invention; Figure 7 This is an enlarged three-dimensional structural diagram of the positioning pin in the precise hoisting and positioning device for wind turbine blades provided by the present invention.
[0018] The components include: 1. Guide tube; 101. Guide hole; 2. Positioning pin; 3. Positioning rod; 301. Positioning hole; 4. Buffer assembly; 401. First anti-collision plate; 402. First spring; 403. First connecting rod; 404. First slider; 405. Second spring; 406. First hinge rod; 407. Hinge seat; 408. Second hinge rod; 409. Second slider; 410. Telescopic rod; 5. Lifting device body; 501. Support column; 6. Guide wheel; 7. Flange; 8. Limiting plate; 9. Blade. Detailed Implementation
[0019] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application. Example
[0020] Reference Figure 1-7 In this embodiment, a precise hoisting and positioning device for wind turbine blades includes: a hoisting body 5, the hoisting body 5 including a clamping body and a support column 501, the clamping body being hoisted on one side of the support column 501, and the bottom of the support column 501 being connected to a reinforcing rib for keeping the support column 501 stable.
[0021] A positioning component is located on the side of the clamp body and is detachably connected to the lifting device body 5, used to limit the movement of the blade 9. A buffer component 4 is connected to the positioning component on the side closest to the blade 9.
[0022] In this embodiment, the cooperative connection between the lifting device body and the positioning component, and between the positioning component and the buffer component, avoids the wind turbine blades from tilting or rotating and colliding with the lifting device due to the influence of external environmental factors such as wind force. This solves the problem in the prior art that the blade lifting device does not have a positioning component and a buffer component, and therefore cannot prevent the blades from colliding with the lifting device during the lifting process.
[0023] It is worth noting that in this embodiment, the positioning component includes: a guide tube 1, a positioning rod 3, and a positioning pin 2; there are two guide tubes 1, which are arranged vertically and horizontally along one side of the support column 501, and the side wall of the guide tube 1 is connected to the side wall of the support column 501; guide holes 101 are correspondingly opened on the two opposite sides of the guide tube 1, and multiple guide holes 101 are arranged at intervals along the length direction of the guide tube 1.
[0024] Multiple positioning holes 301 are arranged at intervals along the length of the positioning rod 3. The spacing between adjacent positioning holes 301 can be adjusted to 1-5mm to reduce blade installation errors and improve the operational stability of the wind turbine. The multiple positioning holes 301 correspond one-to-one with multiple guide holes 101. The positioning rod 3 is inserted into the guide tube 1, and the positioning pin 2 is simultaneously inserted into both the positioning hole 301 and the guide hole 101. The ends of the two positioning rods 3 closest to the blade 9 are connected to the limiting plate 8 via flange 7. In practice, the guide tube 1 is welded to the side of the clamp body; the positioning rod 3 and the limiting plate 8 are secured together with locking screws to form a C-shaped frame. The C-shaped frame is inserted into the guide tube 1, and the positioning pin 2 is inserted into the corresponding holes of the positioning rod 3 and the guide tube 1. The smoothness of adjustment is tested, and the adjustment time is shortened from 10-15 minutes in the original technology to 2-3 minutes, increasing hoisting efficiency by 30%-50%, reducing project cycle time, time waste, and rework, and lowering energy consumption and labor costs.
[0025] Guide wheels 6 are rotatably connected to both ends of the guide tube 1. When the positioning rod 3 is inserted into the guide tube 1, the guide wheels provide rolling friction, making the adjustment process smooth. The limiting plate 8 is made of rubber and is used for blade collision prevention and auxiliary positioning. The limiting plate 8 effectively protects the blade, reduces the risk of accidents, and meets the safety standards for offshore operations. In specific implementation, a guide wheel 6 is installed at each of the four corners of the guide tube 1. The guide wheels 6 can rotate freely on the guide tube 1, ensuring rolling friction on the contact surface with the C-shaped frame. When the position of the C-shaped frame needs to be adjusted, the C-shaped frame is pushed to make it roll along the guide wheels 6. Since rolling friction is less than sliding friction, the adjustment process is easier and less strenuous. A single person can easily complete the adjustment operation, greatly saving hoisting and positioning time.
[0026] It should be noted in detail that, in this embodiment, the buffer assembly 4 includes: a first connecting rod 403, a telescopic rod 410, a first anti-collision plate 401, a first hinge rod 406, and a second hinge rod 408. The first anti-collision plate 401 is made of rubber and is used for blade anti-collision and auxiliary positioning.
[0027] The first connecting rod 403 is connected to the side of the limiting plate 8 away from the positioning rod 3. A first slider 404 and a second slider 409 are symmetrically connected to the first connecting rod 403. A second spring 405 connects the first slider 404 and the second slider 409. The second spring 405 is a damping spring. In addition to utilizing the elasticity of the spring, it also uses damping materials or structures to impede the relative movement of the first slider 404 and the second slider 409, converting mechanical energy into heat energy or other forms of dissipable energy. The damper in the damping spring generates damping force during the spring's extension and contraction, suppressing excessive rebound and vibration of the damping spring.
[0028] There are two telescopic rods 410, which are symmetrically connected to both ends of the limiting plate 8. The first anti-collision plate 401 is located on the side of the telescopic rods 410 away from the limiting plate 8. The telescopic ends of the two telescopic rods 410 are fixedly connected to both ends of the first anti-collision plate 401, respectively. Each telescopic rod 410 is equipped with a first spring 402, one end of which abuts against the fixed end of the telescopic rod 410, and the other end abuts against the first anti-collision plate 401. The first spring 402 is a shock-absorbing spring.
[0029] A hinge seat 407 is connected to the middle of the first anti-collision plate 401; a first hinge rod 406 and a second hinge rod 408 are symmetrically arranged; one end of the first hinge rod 406 is hinged to the hinge seat 407 and the other end is hinged to the first slider 404; one end of the second hinge rod 408 is hinged to the hinge seat 407 and the other end is hinged to the second slider 409.
[0030] In this embodiment, when the first anti-collision plate 401 is hit by the blade, the first anti-collision plate 401 will press the telescopic rod 410 to the right, at which time the first spring 402 plays a buffering role; at the same time, the hinge seat 407 presses the first hinge rod 406 and the second hinge rod 408 to extend to both sides, causing the first slider 404 and the second slider 409 to separate, at which time the second spring 405 plays a buffering role.
[0031] The working process of the precise hoisting and positioning device for wind turbine blades in this embodiment is as follows: Insert the C-shaped frame into the guide tube 1. The guide wheel 6 can rotate freely on the guide tube 1, ensuring that the contact surface with the C-shaped frame is rolling friction. When it is necessary to adjust the position of the C-shaped frame, push the C-shaped frame to make it roll along the guide wheel 6. Since rolling friction is less than sliding friction, the adjustment process is easier and less strenuous. A single person can easily complete the adjustment operation, which greatly saves the hoisting and positioning time. After adjusting the position, insert the positioning pin 2 into the corresponding hole of the positioning rod 3 and the guide tube 1.
[0032] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0033] Optionally, specific examples in this embodiment can refer to the examples described in the above embodiments, and will not be repeated here.
[0034] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.
[0035] In the above embodiments of this application, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.
[0036] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.
Claims
1. A precise hoisting and positioning device for wind turbine blades, characterized in that, include: The lifting device body (5) includes a clamp body and a support column (501), wherein the clamp body is suspended on one side of the support column (501); A positioning component for limiting the blade (9) is provided on the side of the clamp body and is detachably connected to the lifting device body (5); The buffer assembly (4) is connected to the side of the positioning assembly near the blade (9).
2. The precise hoisting and positioning device for wind turbine blades according to claim 1, characterized in that, The positioning assembly includes: a guide tube (1) and a positioning rod (3). There are two guide tubes (1), which are arranged vertically and horizontally along one side of the support column (501). The side wall of the guide tube (1) is connected to the side wall of the support column (501). The positioning rod (3) is inserted into the guide tube (1). The two positioning rods (3) are connected to a limiting plate (8) at one end near the blade (9), and a buffer assembly (4) is connected to the end of the limiting plate (8) away from the positioning rods (3).
3. The precise hoisting and positioning device for wind turbine blades according to claim 2, characterized in that, The positioning component further includes: a positioning pin (2); guide holes (101) are provided on the two opposite sides of the guide tube (1); a positioning hole (301) is provided on the positioning rod (3); and the positioning pin (2) is inserted into both the positioning hole (301) and the guide hole (101).
4. The precise hoisting and positioning device for wind turbine blades according to claim 2, characterized in that, Both ends of the guide tube (1) are rotatably connected to guide wheels (6), and the guide wheels (6) are slidably connected to the positioning rod (3).
5. The precise hoisting and positioning device for wind turbine blades according to claim 2, characterized in that, The buffer assembly (4) includes: a telescopic rod (410) and a first anti-collision plate (401). There are two telescopic rods (410), which are symmetrically connected to the two ends of the limiting plate (8). The first anti-collision plate (401) is located on the side of the telescopic rod (410) away from the limiting plate (8). The telescopic ends of the two telescopic rods (410) are respectively fixedly connected to the two ends of the first anti-collision plate (401). Each telescopic rod (410) is provided with a first spring (402). One end of the first spring (402) abuts against the fixed end of the telescopic rod (410), and the other end abuts against the first anti-collision plate (401).
6. The precise hoisting and positioning device for wind turbine blades according to claim 5, characterized in that, The buffer assembly (4) further includes: a first connecting rod (403), a first hinge rod (406), and a second hinge rod (408). The first connecting rod (403) is connected to the side of the limiting plate (8) away from the positioning rod (3). A first slider (404) and a second slider (409) are symmetrically arranged on the first connecting rod (403). A second spring (405) is connected between the first slider (404) and the second slider (409). The first anti-collision plate (401) is connected to a hinge seat (407) in the middle; the first hinge rod (406) and the second hinge rod (408) are symmetrically arranged; one end of the first hinge rod (406) is hinged to the hinge seat (407), and the other end is hinged to the first slider (404); one end of the second hinge rod (408) is hinged to the hinge seat (407), and the other end is hinged to the second slider (409).
7. The precise hoisting and positioning device for wind turbine blades according to claim 3, characterized in that, The number of positioning holes (301) and guide holes (101) are both multiple. The multiple positioning holes (301) are arranged at intervals along the length direction of the positioning rod (3), and the multiple guide holes (101) are arranged at intervals along the length direction of the guide tube (1).
8. The precise hoisting and positioning device for wind turbine blades according to claim 2, characterized in that, The limiting plate (8) is connected to the positioning rod (3) via a flange (7).
9. The precise hoisting and positioning device for wind turbine blades (9) according to claim 1, characterized in that, The bottom of the support column (501) is connected to a reinforcing member for stabilizing the support column (501).