Wind power blade cutting system
By designing an automated wind turbine blade cutting system, which utilizes chainsaws and lifting components for cutting and combines them with cyclone dust collectors to handle dust, the system solves the problems of low efficiency and dust pollution associated with manual cutting, achieving a highly efficient and environmentally friendly cutting process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-03-31
AI Technical Summary
In existing technologies, the cutting of wind turbine blades relies on manual operation, which results in high labor costs, low cutting efficiency, and environmental pollution from dust generated during cutting.
Design a wind turbine blade cutting system, including a cutting mechanism and a conveyor line, to automate the cutting process using a chainsaw and lifting components, and combine it with a cyclone dust collector to handle dust, ensuring cutting efficiency and environmental protection.
It improves the cutting efficiency of wind turbine blades, reduces labor intensity, and effectively prevents dust pollution in the environment through cyclone dust collectors.
Smart Images
Figure CN224058834U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of material recycling technology, specifically to a wind turbine blade cutting system. Background Technology
[0002] Currently, the main technologies for recycling and disposing of waste wind turbine blades include mechanical crushing, chemical degradation, pyrolysis, and co-processing in cement kilns. However, due to the long length and heavy weight of wind turbine blades, regardless of the recycling and disposal technology used, they all need to be "cut" into appropriate lengths before further processing.
[0003] Currently, retired wind turbine blades are mainly cut manually, but this method has many problems: First, manual cutting is costly and inefficient; second, the dust generated during cutting can easily cause environmental pollution. Utility Model Content
[0004] To address the aforementioned deficiencies, the technical problem to be solved by this utility model is to provide a wind turbine blade cutting system that can improve the cutting efficiency of wind turbine blades.
[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0006] A wind turbine blade cutting system includes: a cutting mechanism and a conveyor line;
[0007] The cutting mechanism includes a gantry frame, a lifting assembly, and a chainsaw. The chainsaw is connected to the gantry frame via the lifting assembly, which is used to drive the chainsaw to move up and down.
[0008] The conveyor line is used to transport wind turbine blades. The conveyor line is located inside the gantry and has a clearance opening for chainsaws to extend into.
[0009] By adopting the above scheme, during use, the wind turbine blades are placed on a conveyor line and transported along the conveying direction. After the wind turbine blades are transported to the predetermined position, they are positioned below a chainsaw. A lifting assembly drives the chainsaw to descend, cutting the wind turbine blade. Once the chainsaw descends into the clearance opening, the wind turbine blade is severed. After cutting, the wind turbine blade is transported forward a further distance by the conveyor line, and then cut again by the chainsaw. This process is repeated to divide the wind turbine blades into multiple segments, facilitating subsequent recycling. Using a conveyor line and cutting mechanism for wind turbine blade cutting reduces the intensity of manual labor and effectively improves work efficiency. Furthermore, using a chainsaw to cut the wind turbine blades provides stable cutting power and allows for a single, clean cut during vertical movement, making it more convenient and stable to use.
[0010] Preferably, the lifting assembly includes two parallel first hydraulic cylinders. The cylinder bodies of the first hydraulic cylinders are fixedly connected to the gantry frame, and the pistons of the first hydraulic cylinders are oriented towards the conveyor line. The pistons of the two first hydraulic cylinders correspond to the two ends of the chainsaw, and are connected to the corresponding ends of the chainsaw via connectors. By connecting the two first hydraulic cylinders to the two ends of the chainsaw, a stable support force can be provided to the chainsaw, ensuring that the chainsaw can smoothly cut the wind turbine blades.
[0011] Preferably, a pressure sensor is also included, which is mounted on the first hydraulic cylinder and is used to monitor the oil pressure in the first hydraulic cylinder. By monitoring the oil pressure of the first hydraulic cylinder through the pressure sensor, the resistance encountered by the chainsaw during cutting can be easily identified, thereby adaptively adjusting the chainsaw's forward speed and reducing the risk of chainsaw damage.
[0012] Preferably, the conveyor line includes a conveyor frame, a drive motor, a transmission assembly, and a plurality of conveyor rollers distributed along the length of the conveyor frame. The conveyor rollers are rotatably mounted on the conveyor frame, and the output of the drive motor can drive all the conveyor rollers to rotate through the transmission assembly. Using a plurality of conveyor rollers to support the wind turbine blades can reduce the local pressure of the wind turbine blades on the conveyor line and improve the stability of the conveying.
[0013] Preferably, the conveyor line is equipped with a limit switch, which is used to control the start and stop of the drive motor. When the wind turbine blades on the conveyor line are conveyed forward to a preset position, the limit switch controls the drive motor to stop working.
[0014] Preferably, a retainer is also included, which is mounted on the conveyor frame and used to secure the wind turbine blades. By securing the wind turbine blades with the retainer, displacement of the blades during the cutting process is prevented, thus improving the stability of the blades during cutting.
[0015] Preferably, the fixture includes two fixing frames respectively fixedly connected to both sides of the conveyor frame. Two clamping arms are hinged to each fixing frame, with the hinge points of the two clamping arms close to each other and the free ends of the two clamping arms far apart. Each fixing frame also has two drive cylinders corresponding to the two clamping arms. One end of each drive cylinder is hinged to the corresponding clamping arm, and the other end is hinged to the fixing frame. The drive cylinders are used to drive the corresponding clamping arms to abut against the wind turbine blade located on the conveyor line, so that the two clamping arms together clamp the wind turbine blade. Since the two fixing frames are located on both sides of the conveyor frame, the clamping arms and drive cylinders connected to the fixing frames are also located on both sides of the conveyor frame. In use, the wind turbine blade is located on the conveyor line. The two clamping arms connected to the first fixing frame clamp one side of the wind turbine blade, and the two clamping arms connected to the second fixing frame clamp the other side of the wind turbine blade. The four clamping arms together clamp the wind turbine blade, thereby fixing the wind turbine blade in place. Because the hinge joints of the two clamping arms corresponding to the same mounting bracket are close to each other while their free ends are far apart, the drive cylinder can drive the clamping arms to press against the wind turbine blade, and the two clamping arms can form a clamping posture for the wind turbine blade. Furthermore, the opening angle of the two clamping arms can adapt to the different cross-sectional shapes of the wind turbine blade along its entire length, thereby achieving a stable clamping effect for each cross-section of the wind turbine blade.
[0016] Preferably, the system also includes a limiting plate and a limiting assembly. The limiting plate is connected to the limiting assembly, which is fixedly connected to the conveyor frame. The limiting plate is positioned near the end of the conveyor line in the conveying direction. Because wind turbine blades are relatively heavy, after being conveyed a certain distance by the conveyor line, the blades will continue to move forward due to inertia, easily deviating from the predetermined cutting position. The limiting plate can hold the end of the wind turbine blade in place, preventing it from sliding further forward and ensuring it remains at the predetermined cutting position.
[0017] Preferably, the limiting assembly includes a positioning frame and a second hydraulic cylinder. The positioning frame is fixedly connected to the conveyor line, and the second hydraulic cylinder is fixedly connected to the positioning frame. The piston rod of the second hydraulic cylinder is fixedly connected to the limiting plate. By adjusting the extension length of the piston rod of the second hydraulic cylinder, the position of the limiting plate on the conveyor line can be adjusted to accommodate different cutting lengths of wind turbine blades.
[0018] Preferably, the system also includes a dust collector hood and a cyclone dust collector. The dust collector hood covers the cutting mechanism on its inner side. The dust collector hood is door-shaped, and its inner side allows the conveyor line and wind turbine blades to pass through. The air intake of the cyclone dust collector is connected to the interior of the dust collector hood. Specifically, the air intake of the cyclone dust collector is connected to the top of the dust collector hood. The dust collector hood can trap the dust generated from cutting the wind turbine blades inside, and the cyclone dust collector draws the dust from the hood into the cyclone dust collector for dust removal, preventing the dust generated from cutting the wind turbine blades from polluting the environment.
[0019] In summary, the wind turbine blade cutting system provided by this utility model has at least the following beneficial effects:
[0020] 1. Using a chainsaw to cut wind turbine blades can cut the blades in one stroke, improving cutting efficiency and stability.
[0021] 2. The powder generated during cutting is absorbed by a cyclone dust collector, which effectively prevents the powder from polluting the environment. Attached image description:
[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without any novel effort.
[0023] Figure 1 This is a schematic diagram of the structure of this utility model;
[0024] Figure 2 This is a schematic diagram of the cutting structure of the present invention before cutting the wind turbine blade;
[0025] Figure 3 This is a schematic diagram of the structure of the cutting structure after cutting the wind turbine blade in this utility model;
[0026] Figure 4 This is a schematic diagram of the fixture in this utility model.
[0027] The reference numerals in the attached drawings include: cutting mechanism 1, gantry frame 101, lifting assembly 102, first hydraulic cylinder 1021, connector 1022, chainsaw 103, conveyor line 2, clearance opening 3, fixture 4, fixing frame 401, clamping arm 402, drive cylinder 403, limit plate 5, limit assembly 6, positioning frame 601, second hydraulic cylinder 602, dust collector 7, electrical control system 8, wind turbine blade 9. Detailed Implementation
[0028] To enable those skilled in the art to better understand the technical solution of this utility model, the following description is provided in conjunction with the appendix. Figure 1-4 The present invention will be further described in detail below with reference to specific embodiments.
[0029] Please see Figure 1-4 This embodiment provides a wind turbine blade cutting system, including a cutting mechanism 1 and a conveyor line 2. The cutting mechanism 1 includes a gantry frame 101, a lifting assembly 102, and a chainsaw 103. The chainsaw 103 is connected to the gantry frame 101 via the lifting assembly 102, which drives the chainsaw 103 to move up and down. The conveyor line 2 is used to transport wind turbine blades 9. The conveyor line 2 is located inside the gantry frame 101 and has an opening 3 for the chainsaw 103 to extend into.
[0030] Please see Figure 2 The lifting assembly 102 includes two parallel first hydraulic cylinders 1021, with the cylinder body of the first hydraulic cylinder 1021 located above and the piston rod of the first hydraulic cylinder 1021 located below. The cylinder body of the first hydraulic cylinder 1021 is fixedly connected to the gantry frame 101, and the piston rod of the first hydraulic cylinder 1021 is arranged downwards and facing the direction of the conveyor line 2. The piston rods of the two first hydraulic cylinders 1021 correspond to the two ends of the chainsaw 103, and are connected to the corresponding ends of the chainsaw 103 through connectors 1022. To facilitate control of the cutting feed speed of the chainsaw 103, a pressure sensor is also included, which is installed on the first hydraulic cylinder 1021 and is used to monitor the oil pressure of the first hydraulic cylinder 1021.
[0031] By adopting the above scheme, during use, the wind turbine blade 9 is placed on the conveyor line 2, and the wind turbine blade 9 is conveyed along the conveying direction by the conveyor line 2. After the wind turbine blade 9 is conveyed to the predetermined position, the wind turbine blade 9 is located below the chainsaw 103. The lifting component 102 drives the chainsaw 103 to descend, and the chainsaw 103 cuts the wind turbine blade 9. The chainsaw 103 descends into the clearance opening 3, and the wind turbine blade 9 is cut off. After the wind turbine blade 9 is cut off, the wind turbine blade 9 is conveyed forward a certain distance by the conveyor line 2, and then the wind turbine blade 9 is cut by the chainsaw 103 again. The above operation is repeated to divide the wind turbine blade 9 into multiple segments, which facilitates subsequent recycling and processing. The cutting of the wind turbine blade 9 by the conveyor line 2 and the cutting mechanism 1 reduces the intensity of manual labor and effectively improves work efficiency. In addition, cutting the wind turbine blade 9 by the chainsaw 103 can provide stable cutting power on the one hand, and can cut the wind turbine blade 9 in one cut during vertical movement, making it more convenient and stable to use.
[0032] The conveyor line 2 includes a conveyor frame, a drive motor, a transmission assembly, and several conveyor rollers distributed along the length of the conveyor frame. The conveyor rollers are rotatably mounted on the conveyor frame, and the output of the drive motor can drive all the conveyor rollers to rotate via the transmission assembly. The right section of the conveyor frame, corresponding to the cutting mechanism 1, is designed with a downwardly recessed groove, forming a clearance opening 3. After the chainsaw 103 cuts down the wind turbine blade 9, the chainsaw 103 can enter the clearance opening 3. The conveyor line 2 is equipped with a limit switch, which controls the start and stop of the drive motor. When the wind turbine blade moves to a preset position, the limit switch controls the drive motor to stop working.
[0033] Please see Figure 1 To enhance the stability of the wind turbine blade 9 during the cutting process, a retainer 4 is also included. The retainer 4 is installed on the conveyor frame and is used to fix the wind turbine blade 9. Several retainers 4 are arranged along the conveying direction of the conveyor line 2, and the specific number of retainers 4 is selected according to the length of the wind turbine blade 9.
[0034] Please see Figure 4 The fixture 4 includes two fixtures 401 fixedly connected to the left and right sides of the conveyor frame, respectively. Two clamping arms 402 are hinged to each fixture 401. The hinge points of the two clamping arms 402 and their corresponding fixtures 401 are close to each other, while the free ends of the two clamping arms 402 are far apart. Specifically, the hinge points of the two clamping arms 402 and the fixtures 401 are located on the same axis, and the two clamping arms 402 are spaced a certain distance apart on the plane. The fixture 401 also has two drive cylinders 403 corresponding to the two clamping arms 402. One end of the drive cylinder 403 is hinged to the corresponding clamping arm 402, and the other end is hinged to the fixture 401. The drive cylinder 403 is used to drive the corresponding clamping arm 402 to press against the wind turbine blade 9 located on the conveyor line 2, so that the two clamping arms 402 together clamp the wind turbine blade 9. The drive cylinder 403 can specifically be a pneumatic cylinder or a hydraulic cylinder, as is available in the prior art. In practical use, the two clamping arms 402 located on the left side of the wind turbine blade 9 abut against the upper left and lower left sides of the wind turbine blade 9, respectively, and the two clamping arms 402 located on the right side of the wind turbine blade 9 abut against the upper right and lower right sides of the wind turbine blade 9, respectively, and the wind turbine blade 9 is fixed together by the four clamping arms 402.
[0035] Please continue reading. Figure 1 To prevent the wind turbine blade 9 from shifting due to inertia, a limiting plate 5 and a limiting component 6 are also included. The limiting plate 5 is connected to the limiting component 6, and the limiting component 6 is fixedly connected to the conveying frame. The limiting plate 5 is located near the end of the conveying line 2 in the conveying direction. In this embodiment, the wind turbine blade 9 is conveyed from left to right, and the limiting plate 5 is located on the right side of the cutting mechanism 1. The surface of the limiting plate 5 is used to contact the end face of the wind turbine blade 9.
[0036] Please continue reading. Figure 1 Specifically, the limiting component 6 includes a positioning frame 601 and a second hydraulic cylinder 602. The second hydraulic cylinder 602 is arranged horizontally. The positioning frame 601 is fixedly connected to the conveyor line 2, and the second hydraulic cylinder 602 is fixedly connected to the positioning frame 601. The piston rod of the second hydraulic cylinder 602 is fixedly connected to the limiting plate 5. The second hydraulic cylinder 602 can drive the limiting plate 5 to move in the left and right direction, that is, along the length direction of the conveyor line 2.
[0037] Please continue reading. Figure 1 It also includes a dust collector 7 and a cyclone dust collector. The dust collector 7 covers the cutting mechanism 1 on the inside. The dust collector 7 is door-shaped. The inside of the dust collector 7 allows the conveyor line 2 and the wind turbine blades 9 to pass through. The air intake of the cyclone dust collector is connected to the inside of the dust collector 7.
[0038] To facilitate the cutting of wind turbine blades 9, an electrical control system 8 is also included. When the conveying roller needs to transport the wind turbine blades 9 forward, the electrical control system 8 controls the drive cylinder to move the clamping arm 402 away from the wind turbine blades 9, thereby releasing the fixation of the wind turbine blades 9. When the drive motor stops running, the electrical control system 8 controls the drive cylinder to move the clamping arm 402 against the wind turbine blades 9, thereby fixing the wind turbine blades 9.
[0039] It should be noted that words indicating direction in this article, such as "up" and "down," are all in the format of "upper" and "lower." Figure 1 The direction setting is for ease of description only and has no other specific meaning.
[0040] It should also be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that an article or apparatus comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such an article or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the article or apparatus that includes the aforementioned element.
[0041] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.
Claims
1. A wind turbine blade cutting system, characterized in that, The utility model relates to a wind turbine blade cutting device, including: Cutting mechanism (1) and conveying line (2); The cutting mechanism (1) includes portal frame (101), lifting assembly (102) and chain saw (103), chain saw (103) is connected with portal frame (101) through lifting assembly (102), and lifting assembly (102) is used to drive chain saw (103) to lift; The conveying line (2) is used for conveying wind turbine blade (9), and the conveying line (2) is located inside portal frame (101), and the conveying line (2) is provided with an avoiding port (3) for chain saw (103) to extend into.
2. A wind turbine blade cutting system according to claim 1, wherein, The lifting assembly (102) includes two first hydraulic cylinders (1021) arranged in parallel, the cylinder body of the first hydraulic cylinder (1021) is fixedly connected to the portal frame (101), the piston rod of the first hydraulic cylinder (1021) is arranged towards the direction of the conveying line (2), and the piston rods of the two first hydraulic cylinders (1021) correspond to the two ends of the chain saw (103) respectively, and the piston rod of the first hydraulic cylinder (1021) is connected to the corresponding end of the chain saw (103) through a connecting piece (1022).
3. A wind turbine blade cutting system according to claim 2, wherein, Further comprising a pressure sensor, the pressure sensor is arranged on the first hydraulic cylinder (1021), and the pressure sensor is used for monitoring the oil pressure of the first hydraulic cylinder (1021).
4. A wind turbine blade cutting system according to any of claims 1-3, wherein, The conveying line (2) includes a conveying frame body, a drive motor, a transmission assembly and a plurality of conveying rollers distributed along the length direction of the conveying frame body, the conveying rollers are rotatably installed on the conveying frame body, and the output end of the drive motor can drive all the conveying rollers to rotate through the transmission assembly.
5. A wind turbine blade cutting system according to claim 4, wherein, The conveying line (2) is provided with a travel switch, and the travel switch is used to control the start and stop of the drive motor.
6. A wind turbine blade cutting system according to claim 4, wherein, Further comprising a fixer (4), the fixer (4) is arranged on the conveying frame body, and the fixer (4) is used for fixing the wind turbine blade (9).
7. A wind turbine blade cutting system according to claim 6, wherein, The fixer (4) includes two fixed frames (401) fixedly connected to the two sides of the conveying frame respectively, two clamping arms (402) are hinged to the fixed frame (401), the hinging positions of the two clamping arms (402) and the corresponding fixed frame (401) are close to each other, the free ends of the two clamping arms (402) are away from each other, two drive cylinders (403) corresponding to the two clamping arms (402) are further arranged on the fixed frame (401), one end of the drive cylinder (403) is hinged to the corresponding clamping arm (402), the other end of the drive cylinder (403) is hinged to the fixed frame (401), and the drive cylinder (403) is used to drive the corresponding clamping arm (402) to abut against the wind turbine blade (9) on the conveying line (2), so that the two clamping arms (402) jointly clamp the wind turbine blade (9).
8. A wind turbine blade cutting system according to claim 1, wherein, Further comprising a limiting plate (5) and a limiting assembly (6), the limiting plate (5) is connected with the limiting assembly (6), the limiting assembly (6) is fixedly connected to the conveying frame body, and the limiting plate (5) is arranged close to the end of the conveying direction of the conveying line (2).
9. A wind turbine blade cutting system according to claim 8, wherein, The limiting assembly (6) comprises a positioning frame (601) and a second hydraulic cylinder (602), the positioning frame (601) is fixedly connected on the conveying line (2), the second hydraulic cylinder (602) is fixedly connected on the positioning frame (601), and a piston rod of the second hydraulic cylinder (602) is fixedly connected with the limiting plate (5).
10. A wind turbine blade cutting system according to claim 1, wherein, Further comprising a dust removal cover (7) and a cyclone dust collector, the dust removal cover (7) covers the cutting mechanism (1) on the inside, the dust removal cover (7) is in the shape of a door, the inside of the dust removal cover (7) is provided for the conveying line (2) and the wind power blade (9) to pass through, and an air suction port of the cyclone dust collector is in communication with the inside of the dust removal cover (7).