Wire saw cutting equipment for wind power blade

By designing a rope saw cutting equipment for wind power blades, the synergistic effect of guide motor, guide members and oil cylinders is used to achieve efficient cutting of wind power blades, solving the problem of low cutting efficiency in the prior art.

CN222944633UActive Publication Date: 2025-06-06JIUQUAN SHUNFENG COMPOSITE MATERIAL RECYCLING CO LTD
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Patent Information

Application Number
CN202421680314.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-06-06
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The existing wind power blade recycling devices need to be continuously clamped, cut and disassembled during the cutting process, resulting in low cutting efficiency.

Method used

A rope saw cutting equipment for wind power blades is designed. By providing a guide motor, a first guide member, an oil cylinder and a second guide member, the synergistic effect of these components is used to achieve tightness and uniform stress of the rope saw, thereby efficient cutting.

Benefits of technology

The equipment can directly cut without clamping the wind power blades, which eliminates the work of handling the blades, significantly improves the cutting efficiency, and avoids the reduction in cutting efficiency caused by slack of the rope saw.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wind power blade cutting devices, in particular to rope saw cutting equipment for wind power blades, which comprises a connecting frame, the side face of the connecting frame is mounted on one side of a rotary oil cylinder, a cutting frame is mounted on the other side of the rotary oil cylinder, and a cutting motor is mounted in the center of the interior of the cutting frame. A power wheel is installed at the output end of the cutting motor, a first guide part is rotationally connected to the side face of the cutting frame, a cutting rod is connected to one side of the cutting frame, and a second guide part is slidably connected to the cutting rod. When the wind power blade cutting device is used, the connecting plate is installed on a workbench or an operation vehicle body, cutting operation can be directly carried out without clamping a wind power blade, cutting operation can be directly carried out in a wind power plant, the work of carrying the blade is omitted, and operation time is saved; and through opening and closing of the first guide piece, the second guide piece moves back and forth on the cutting rod, the rope saw can be tightened all the time, and therefore the problem that the cutting efficiency is reduced due to loosening of the rope saw in the cutting process is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine blade cutting devices, in particular to a rope saw cutting device for wind turbine blades. Background Art

[0002] Wind turbine blades are the core components of wind turbines that convert natural wind energy into electricity for wind turbines, and are also the main basis for measuring the design and technical level of wind turbines. In actual use, wind turbine blades are affected by factors such as product quality, as well as natural temperature, rain, snow, wind force, etc. Their service life is generally 15-20 years. When they reach the end of their service life, they need to be disassembled. In order to recycle the discarded wind turbine blades, they are generally crushed for use as mixed materials in certain fields. However, since the blades of wind turbines are as small as tens of meters and as large as more than one hundred meters long, they are very large. At present, there are few equipments that can directly crush wind turbine blades. They are often cut into sections longitudinally before being put into the crushing equipment.

[0003] Through searching, the announcement number CN114406351A provides a recycling device and recycling method for waste wind turbine blades, wherein the recycling device for waste wind turbine blades includes a longitudinal moving mechanism, a blade clamping device, a rope saw transverse moving mechanism and a rope saw main structure, the blade clamping device is arranged on the longitudinal moving mechanism, the rope saw main structure is installed on the corresponding rope saw transverse moving mechanism, the rope saw transverse moving mechanism is symmetrically arranged at the front end of the longitudinal moving mechanism, the blade clamping device includes a blade root clamping mechanism, the blade root clamping mechanism includes an annular fixed track relatively fixed to the longitudinal moving platform and a blade root clamping mechanism moving along the annular fixed track, the transverse moving platform is sequentially provided with a guide wheel bracket, a tightening transverse moving mechanism and a rope saw main machine from the inside to the outside, the tightening transverse moving mechanism is used to drive the tightening wheel to move transversely, and the guide wheel bracket includes an arc beam and a guide wheel structure installed on the front side of the arc beam. The present invention uses a device to cut the entire wind turbine blade in sections, has high working efficiency, and the blade is not easy to deform, which reduces safety risks.

[0004] However, the recovery device is difficult to clamp and install on the blade, and the clamping time is long. During the cutting process, it is necessary to continuously perform clamping → cutting → disassembly → clamping until the blade is cut into several sections, which makes the entire cutting process inefficient. Utility Model Content

[0005] In response to the existing problems, the utility model provides a rope saw cutting device for wind turbine blades, aiming to solve the problems mentioned in the background technology related to the difficulty and long clamping time of the blades, the need to continuously clamp, cut and disassemble during the cutting process until the blades are cut into several sections, which makes the entire cutting process inefficient.

[0006] To solve the above problems, the utility model provides a rope saw cutting device for wind turbine blades, including a connecting frame, wherein the connecting frame is installed on one side of a rotary oil cylinder, and a cutting frame is installed on the other side of the rotary oil cylinder, a cutting motor is installed in the center of the cutting frame, a power wheel is installed at the output end of the cutting motor, a protective plate is provided on the side of the cutting frame and at the outer side of the power wheel, a pair of first guide members are symmetrically connected to the side of the cutting frame and at one end away from the protective plate, a guide motor is installed on the side of the cutting frame and between the pair of first guide members, a transmission member is connected to the output end of the guide motor, a moving member is installed on the transmission member, a cutting rod is connected to the side of the cutting frame away from the protective plate, a slide groove is provided in the cutting rod, and a second guide member is slidably connected in the slide groove.

[0007] Furthermore, the first guide member includes a connecting rod, one end of the connecting rod is hinged on the cutting frame, and the other end is rotatably mounted with a first guide wheel, and a moving hole is opened on the connecting rod.

[0008] Furthermore, the transmission part includes a fixing part A installed on the side of the guide motor, the output end of the guide motor is connected to one end of a screw rod, the screw rod is rotatably connected in the fixing part A and the fixing part B, the other end of the screw rod is connected to the fixing part B, and a plurality of fixing rods are arranged between the fixing part A and the fixing part B.

[0009] Furthermore, the moving member includes a moving block, both sides of which are respectively connected to one end of a guide rod, and the other end of the guide rod is provided with a moving slide rod, and the moving slide rod is slidably installed inside a moving hole on the connecting rod.

[0010] Furthermore, a threaded hole is provided in the center of the moving block, and a plurality of fixing holes are provided at the edge. The threaded hole is sleeved on the outside of the screw rod, and the fixing holes are sleeved on the outside of the fixing rod.

[0011] Furthermore, the second guide member includes a guide slider slidably installed in a slide groove, a guide plate is provided at the upper end of the guide slider, and a second guide wheel is rotatably installed at the center of the upper side of the guide plate.

[0012] Furthermore, the side surface of the guide plate is connected to one end of a pair of oil cylinders, and the other end of the oil cylinders is connected to the cutting frame.

[0013] Furthermore, a rope saw is sleeved on the outer sides of the power wheel, the first guide wheel and the second guide wheel.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. When the utility model is in use, the connecting plate is installed on a workbench or a work vehicle body, and the cutting operation can be directly performed without clamping the wind turbine blades. When the connecting plate is installed on the work vehicle body, the cutting operation can be performed directly in the wind farm, eliminating the work of transporting the blades and saving operation time.

[0016] 2. The utility model is provided with a guide motor, a first guide member, an oil cylinder, and a second guide member. By starting the guide motor in a forward or reverse direction, the lead screw is driven to rotate, thereby pushing the movable member on the lead screw to move forward and backward. The first guide member is pushed to open and close by the guide rod connected to the movable member. By operating the oil cylinder, the second guide member is pushed to move forward and backward on the cutting rod. The rope saw mounted on the first guide wheel, the second guide wheel and the power wheel can be tightened, and all the guide wheels are arranged to be coplanar with the cutting surface to ensure that the rope saw is evenly stressed, thereby avoiding the problem of reduced cutting efficiency caused by slack of the rope saw during the cutting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure is a schematic diagram of the overall structure of a wire saw cutting device for wind turbine blades;

[0018] Figure 2 A schematic diagram of a cutting frame portion of a wire saw cutting device for wind turbine blades;

[0019] Figure 3 It is a schematic diagram of a first guide part of a wire saw cutting device for wind turbine blades;

[0020] Figure 4 A schematic diagram of a moving rod portion of a wire saw cutting device for wind turbine blades;

[0021] Figure 5 A schematic diagram of a moving part of a wire saw cutting device for wind turbine blades;

[0022] Figure 6 It is a schematic diagram of a second guide part of a wire saw cutting device for wind turbine blades;

[0023] Figure 7 It is a schematic diagram of the actual use state of a wire saw cutting device for wind turbine blades;

[0024] Description of the numbers in the figure:

[0025] 1. Fixed plate; 2. Rotary oil cylinder; 3. Cutting frame; 4. Cutting motor; 5. Driving wheel; 6. Protective plate; 7. Guide motor; 8. First guide member; 801. Connecting rod; 802. Moving hole; 803. First guide wheel; 9. Moving member; 901. Fixed member A; 902. Screw rod; 903. Fixed rod; 904. Fixed member B; 10. Moving member; 1001. Moving block; 1002. Guide rod; 1003. Moving slide rod; 1004. Threaded hole; 1005. Fixed hole; 11. Cutting rod; 12. Slide groove; 13. Second guide member; 1301. Guide slide block; 1302. Guide plate; 1303. Second guide wheel; 14. Oil cylinder; 15. Rope saw. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-Figure 7 The utility model provides a rope saw cutting device for wind turbine blades, including a connecting frame 1, the connecting frame side is installed on one side of a rotary cylinder 2, a cutting frame 3 is installed on the other side of the rotary cylinder 2, a cutting motor 4 is installed in the center of the cutting frame 3, a power wheel 5 is installed at the output end of the cutting motor 4, a protective plate 6 is arranged on the side of the cutting frame 3 and at the outer position of the power wheel 5, a pair of first guide members 8 are symmetrically rotatably connected to the side of the cutting frame 3 and one end away from the protective plate 6, a guide motor 7 is installed on the side of the cutting frame 3 and located between the pair of first guide members 8, a transmission member 9 is connected to the output end of the guide motor 7, a moving member 10 is installed on the transmission member 9, a cutting rod 11 is connected to the side of the cutting frame 3 away from the protective plate 6, a slide groove 12 is opened in the cutting rod 11, and a second guide member 13 is slidably connected in the slide groove 12.

[0028] The first guide member 8 includes a connecting rod 801 , one end of which is hinged on the cutting frame 3 , and the other end of which is rotatably mounted with a first guide wheel 803 . A moving hole 802 is provided on the connecting rod 801 .

[0029] Among them, the transmission part 9 includes a fixing part A901 installed on the side of the guide motor 7, and the output end of the guide motor 7 is connected to one end of a screw rod 902, and the screw rod 902 is rotatably connected in the fixing part A901 and the fixing part B903, and the other end of the screw rod 902 is connected to the fixing part B903, and a plurality of fixing rods 904 are arranged between the fixing part A901 and the fixing part B903.

[0030] The movable member 10 includes a movable block 1001 , both sides of which are respectively connected to one end of a guide rod 1002 , and the other end of the guide rod 1002 is provided with a movable slide bar 1003 , and the movable slide bar 1003 is slidably installed inside a movable hole 802 on the connecting rod 801 .

[0031] The moving block 1001 has a threaded hole 1004 at its center and a plurality of fixing holes 1005 at its edge. The threaded hole 1004 is sleeved on the outside of the screw rod 902 , and the fixing holes 1005 are sleeved on the outside of the fixing rod 904 .

[0032] The second guide member 13 includes a guide slider 1301 slidably mounted in the slide groove 12 , a guide plate 1302 is disposed at the upper end of the guide slider 1301 , and a second guide wheel 1303 is rotatably mounted at the center of the upper side of the guide plate 1302 .

[0033] The side surface of the guide plate 1302 is connected to one end of a pair of oil cylinders 14 , and the other end of the oil cylinders 14 is connected to the cutting frame 3 .

[0034] The outer sides of the power wheel 5 , the first guide wheel 803 and the second guide wheel 1303 are sleeved with a rope saw 15 .

[0035] Specific embodiments of the utility model:

[0036] In this example, before starting the cutting operation, the connecting frame 1 needs to be installed in front of the working vehicle, and the working vehicle provides oil pressure for the rotary cylinder 2 and the cylinder 14.

[0037] When performing cutting operations, start the rotary cylinder 2 and the cylinder 14 to rotate the cutting frame 3 and push the second guide member to a position suitable for the operation of the rope saw 15. Operate the vehicle to the operating position and sleeve the rope saw 15 on the wind turbine blade to be cut. By controlling the guide motor 7 to start forward and reverse, the screw rod 902 is driven to rotate, and then the moving block 1001 sleeved on the screw rod 902 is driven to move forward and backward. The guide slider 1005 on the guide rod 1002 slides in the moving hole 802, driving the connecting rod 801 and the first guide wheel 803 to open and close, so that the rope saw 15 sleeved on the first guide wheel 803, the second guide wheel 1303 and the power wheel 5 is always taut; start the cutting motor 4, and then drive the power wheel 5 and the rope saw 15 sleeved thereon, and then the wind turbine blade can be cut.

[0038] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A wire saw cutting device for wind turbine blades, comprising a connecting frame (1), the connecting frame is laterally mounted on one side of a rotary cylinder (2), a cutting frame (3) is mounted on the other side of the rotary cylinder (2), and is characterized in that: A cutting motor (4) is installed in the center of the cutting frame (3), a power wheel (5) is installed at the output end of the cutting motor (4), a protective plate (6) is arranged on the side of the cutting frame (3) and at the outer side of the power wheel (5), a pair of first guide members (8) are symmetrically rotatably connected to one end of the side of the cutting frame (3) away from the protective plate (6), a guide motor (7) is installed on the side of the cutting frame (3) and located between the pair of first guide members (8), a transmission member (9) is connected to the output end of the guide motor (7), a moving member (10) is installed on the transmission member (9), a cutting rod (11) is connected to the side of the cutting frame (3) away from the protective plate (6), a slide groove (12) is provided in the cutting rod (11), and a second guide member (13) is slidably connected in the slide groove (12).

2. A wire saw cutting device for wind turbine blades according to claim 1, characterized in that: The first guide member (8) comprises a connecting rod (801), one end of the connecting rod (801) is hinged on the cutting frame (3), and the other end is rotatably mounted with a first guide wheel (803), and a movable hole (802) is opened on the connecting rod (801).

3. The wire saw cutting device for wind turbine blades according to claim 2, characterized in that: The transmission member (9) comprises a fixing member A (901) mounted on the side of the guide motor (7); the output end of the guide motor (7) is connected to one end of a screw rod (902); the other end of the screw rod (902) is connected to a fixing member B (903); the screw rod (902) is rotatably connected inside the fixing member A (901) and the fixing member B (903); and a plurality of fixing rods (904) are arranged between the fixing member A (901) and the fixing member B (903).

4. The wire saw cutting device for wind turbine blades according to claim 3, characterized in that: The moving member (10) comprises a moving block (1001), the two sides of the moving block (1001) are respectively connected to one end of a guide rod (1002), the other end of the guide rod (1002) is provided with a moving slide rod (1003), and the moving slide rod (1003) is slidably installed inside a moving hole (802) on the connecting rod (801).

5. The wire saw cutting device for wind turbine blades according to claim 4, characterized in that: The moving block (1001) has a threaded hole (1004) at its center and a plurality of fixing holes (1005) at its edge. The threaded hole (1004) is sleeved on the outside of the screw rod (902), and the fixing holes (1005) are sleeved on the outside of the fixing rod (904).

6. The wire saw cutting device for wind turbine blades according to claim 5, characterized in that: The second guide member (13) comprises a guide slider (1301) slidably mounted in the slide groove (12); a guide plate (1302) is arranged at the upper end of the guide slider (1301); and a second guide wheel (1303) is rotatably mounted at the center of the upper side of the guide plate (1302).

7. The wire saw cutting device for wind turbine blades according to claim 6, characterized in that: One end of a pair of oil cylinders (14) is connected to the side of the guide plate (1302), and the other end of the pair of oil cylinders (14) is connected to the cutting frame (3).

8. The wire saw cutting device for wind turbine blades according to claim 7, characterized in that: A rope saw (15) is sleeved on the outer sides of the power wheel (5), the first guide wheel (803) and the second guide wheel (1303).

Citation Information

Patent Citations

  • Recovery device and recovery method for waste wind power blades

    CN114406351A