A wind power flange roller ring adjusting device and a roller ring adjusting method thereof

Abstract

The application provides a wind power flange rolling ring adjusting device and a rolling ring method thereof, and relates to the field of wind power flange processing. The device comprises a bottom plate, a central shaft located at the center of the bottom plate, a rolling mechanism located above the bottom plate, and a limiting mechanism located at the four sides of the bottom plate. The central shaft is rotationally installed on the bottom plate, and four groups of extrusion shafts are arranged in an annular array on the outer wall of the central shaft. The four groups of extrusion shafts can slowly expand outward, and the central shaft is driven to rotate by a power source. Thus, the extrusion shafts rotate along the inner wall of the flange forge piece, uniformly expanding the hole from the inside. Meanwhile, the outer wall of the flange forge piece is provided with limiting shafts, and the limiting shafts rotate along the outer wall of the flange forge piece with the central shaft. Through the extrusion of elastic members, radial extrusion is formed between the extrusion shafts and the limiting shafts. The rotation of the extrusion shafts and the limiting shafts ensures the uniformity of the deformation in the circumferential direction of the flange forge piece.

Description

Technical Field

[0001] This invention relates to the field of wind turbine flange processing technology, and in particular to a wind turbine flange rolling ring adjustment device and its rolling ring method. Background Technology

[0002] Wind power generation refers to converting the kinetic energy of wind into electrical energy. Wind energy is a clean and pollution-free renewable energy source that has been utilized by people for a long time, mainly through windmills for pumping water and grinding grain. People are interested in how to use wind to generate electricity. Wind power generation is very environmentally friendly, and wind energy reserves are huge, so it is receiving increasing attention from countries around the world. Simply put, a wind turbine flange is a flange for a wind turbine generator set. Since the diameter of wind turbine flanges varies, different ring rolling machines are used for ring rolling. Vertical ring rolling machines are often used for small-diameter wind turbine flanges.

[0003] Traditional ring rolling mills adjust the ring rolling process using a single-axis radial tension method, which cannot further process the flange top surface. Furthermore, the traditional single-axis radial tension adjustment method is not suitable for rolling and shaping the flange top surface. Therefore, this invention proposes a wind power flange ring rolling adjustment device and its ring rolling method to solve the problems existing in the prior art. Summary of the Invention

[0004] To address the aforementioned problems, this invention proposes a wind turbine flange rolling ring adjustment device and its rolling ring method. This device features four sets of slowly extending extrusion shafts on the outer wall of a central shaft. These shafts, driven by a power source, rotate the central shaft, causing the extrusion shafts to rotate along the inner wall of the flange forging. This uniformly expands the flange forging from the inside. Simultaneously, a limiting shaft is installed on the outer wall of the flange forging, rotating along the outer wall with the central shaft. Through the extrusion of an elastic element, radial extrusion is formed between the extrusion shafts and the limiting shafts. The rotation of the extrusion shafts and the limiting shafts ensures the uniformity of circumferential deformation of the flange forging.

[0005] To achieve the objectives of this invention, the invention is implemented through the following technical solution: First aspect: A wind turbine flange rolling ring adjustment device is provided, comprising a base plate, a central shaft located at the center of the base plate, a rolling mechanism located above the base plate, and a limiting mechanism located on the four sides of the base plate. The central shaft is rotatably mounted on the base plate. Four sets of extrusion shafts are arranged in a ring array on the outer wall of the central shaft. An adjustment mechanism for adjusting the position of the extrusion shafts is provided inside the central shaft. A power source for driving the central shaft to rotate is provided at the center of the bottom of the base plate.

[0006] The limiting mechanism includes a support assembly, a limiting shaft, an elastic element, and an adjusting assembly. The support assembly is distributed on the four sides of the base plate and aligned with the extrusion shaft. The limiting shaft is installed on the inner side of the support assembly through the elastic element. The adjusting assembly is provided on the outer side of the support assembly. The limiting shaft rotates synchronously with the central shaft along the outer wall of the flange forging.

[0007] The adjustment mechanism includes a bidirectional screw, a partition plate, a nut sleeve, an adjusting rod, and a drive motor. The interior and sidewalls of the central shaft are provided with slots. A bidirectional screw is rotatably mounted at the center of each slot. A partition plate is located at the middle end of the bidirectional screw and is fixedly connected to the central shaft. Nut sleeves are symmetrically arranged on the bidirectional screw. Four sets of adjusting rods are hinged to the outer wall of each nut sleeve. The other end of each adjusting rod is hinged to the end of the extrusion shaft. A drive motor for rotating the bidirectional screw is located at the top of the central shaft.

[0008] The support assembly includes a fixed plate and a movable plate. The fixed plate is attached to the outer side wall of the base plate and rotates synchronously with the central axis along the outer side wall of the base plate. The movable plate is slidably mounted on the top of the fixed plate, and the end of the fixed plate is provided with a mounting plate.

[0009] The elastic element includes a guide rod and a spring. The guide rod is symmetrically arranged on the side wall of the limiting shaft. One end of the guide rod passes through the moving plate. A spring is provided on the guide rod between the limiting shaft and the moving plate.

[0010] The rolling mechanism includes a support frame, a hydraulic drive component, and a rolling component. The top of the support frame is equipped with a hydraulic drive component, and the output end of the hydraulic drive component is fixed with the rolling component. The rolling component is located directly above the base plate.

[0011] The hydraulic drive component includes a first hydraulic drive ring, a second hydraulic drive ring, a third hydraulic drive ring, and a fourth hydraulic drive ring. The second hydraulic drive ring is located inside the first hydraulic drive ring, the third hydraulic drive ring is located inside the second hydraulic drive ring, and the fourth hydraulic drive ring is located inside the third hydraulic drive ring. The support frame is equipped with four sets of hydraulic oil pumps, which are connected to the first hydraulic drive ring, the second hydraulic drive ring, the third hydraulic drive ring, and the fourth hydraulic drive ring respectively through oil supply pipes.

[0012] The forming element includes a first forming ring, a second forming ring, a third forming ring, and a fourth forming ring. The second forming ring is located inside the first forming ring, the third forming ring is located inside the second forming ring, and the fourth forming ring is located inside the third forming ring.

[0013] The adjustment assembly includes four sets of adjustment cylinders. The output ends of the four sets of adjustment cylinders are respectively fixedly connected to the movable plate, and the adjustment cylinders are fixedly connected to the mounting plate.

[0014] Secondly, a rolling ring method is provided based on the above-mentioned wind power flange rolling ring adjustment device, including the following steps;

[0015] S1. First, the flange forging is placed on the central shaft, and the base plate supports the flange forging. Then, the moving plate is pushed by the adjusting component to drive the limit shaft to move and fit against the outer wall of the flange forging. At this time, the power source and the drive motor work synchronously.

[0016] S2. The drive motor drives the bidirectional screw to rotate, causing the adjusting rod to push the extrusion shaft to extrude outward. At the same time, the drive source drives the central shaft to rotate, causing the extrusion shaft to rotate synchronously along the inner wall of the flange forging. Meanwhile, the elastic element pushes the limiting shaft to extrude from the outside to the inside. Through bidirectional extrusion, the wall thickness of the forging becomes narrower. At the same time, as the extrusion shaft feeds outward, the elastic element contracts synchronously while ensuring inward extrusion.

[0017] S3. The extrusion shaft rotates synchronously with the central shaft, while the limiting shaft rotates synchronously along the outer wall of the forging with the central shaft.

[0018] S4. After the ring rolling is completed, the top surface of the flange forging is rolled as needed. The corresponding rolling element is driven by a hydraulic drive to press down and roll the top surface of the flange.

[0019] The beneficial effects of this invention are as follows: This invention sets four sets of extrusion shafts that can slowly extend outward on the outer wall of the central shaft. With the help of a power source, the central shaft is rotated, thereby causing the extrusion shafts to rotate along the inner wall of the flange forging. This allows for uniform expansion of the flange forging from the inside. At the same time, a limiting shaft is set on the outer wall of the flange forging. The limiting shaft rotates along the outer wall of the flange forging with the central shaft. Through the extrusion of the elastic element, radial extrusion is formed between the extrusion shaft and the limiting shaft. The rotation of the extrusion shaft and the limiting shaft ensures the uniformity of the circumferential deformation of the flange forging. The setting of the elastic element ensures that the extrusion shaft and the limiting shaft can still continuously extrude the flange forging during the outward expansion process. In addition, when processing heavy flange forgings, this device only needs to rotate the central shaft and the limiting mechanism, without rotating the flange forging, to complete the ring rolling work, which greatly reduces energy consumption. Attached Figure Description

[0020] Figure 1 This is a three-dimensional schematic diagram of the present invention; Figure 2 This is a schematic diagram of the grinding ring of the present invention; Figure 3 This is a schematic diagram of the limiting mechanism of the present invention; Figure 4 This is a schematic diagram of the rolling mechanism of the present invention; Figure 5This is a schematic diagram of the structure of the adjustment component of the present invention; Figure 6 This is a schematic diagram of the structure of the central axis of the present invention; Figure 7 This is a schematic diagram showing the location of the power source of the present invention; Figure 8 This is a schematic diagram of the linkage between the central axis and the fixed block of the present invention.

[0021] The components include: 1. Base plate; 2. Central shaft; 3. Extrusion shaft; 4. Power source; 5. Limiting shaft; 6. Bidirectional screw; 7. Partition plate; 8. Nut sleeve; 9. Adjusting rod; 10. Drive motor; 11. Empty slot; 12. Fixed plate; 13. Moving plate; 14. Mounting plate; 15. Guide rod; 16. Spring; 17. Support frame; 18. First hydraulic drive ring; 19. Second hydraulic drive ring; 20. Third hydraulic drive ring; 21. Fourth hydraulic drive ring; 22. First rolling ring; 23. Second rolling ring; 24. Third rolling ring; 25. Fourth rolling ring; 26. Adjusting cylinder; 27. Hydraulic oil pump; 28. Oil supply pipe. Detailed Implementation

[0022] To enhance understanding of the present invention, the present invention will be further described in detail below with reference to embodiments. These embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0023] according to Figures 1-8 As shown, this embodiment proposes a wind turbine flange rolling ring adjustment device, including a base plate 1, a central shaft 2 located at the center of the base plate 1, a rolling mechanism located above the base plate 1, and a limiting mechanism located on the four sides of the base plate 1. The central shaft 2 is rotatably mounted on the base plate 1. Four sets of extrusion shafts 3 are arranged in a ring array on the outer wall of the central shaft 2. An adjustment mechanism for adjusting the position of the extrusion shafts 3 is provided inside the central shaft 2. In this device, the adjustment mechanism is used to enable the extrusion shafts 3 to continuously and slowly expand outward. A power source 4 for driving the central shaft 2 to rotate is provided at the center of the bottom of the base plate 1.

[0024] The limiting mechanism includes a support assembly, a limiting shaft 5, an elastic element, and an adjusting assembly. The support assembly is distributed on the four sides of the base plate 1 and aligned with the extrusion shaft 3. The limiting shaft 5 is installed on the inner side of the support assembly through the elastic element. The adjusting assembly is provided on the outer side of the support assembly. The limiting shaft 5 rotates synchronously with the rotation of the central shaft 2 along the outer wall of the flange forging.

[0025] This device uses four sets of extrusion shafts 3 that can slowly extend outwards on the outer wall of the central shaft 2. With the help of the power source 4, the central shaft 2 is rotated, and the extrusion shafts 3 rotate along the inner wall of the flange forging, thereby uniformly expanding the flange forging from the inside. At the same time, a limiting shaft 5 is set on the outer wall of the flange forging. The limiting shaft 5 rotates along the outer wall of the flange forging with the central shaft 2. Through the extrusion of the elastic element, radial extrusion is formed between the extrusion shafts 3 and the limiting shafts 5. The rotation of the extrusion shafts 3 and the limiting shafts 5 ensures the uniformity of the circumferential deformation of the flange forging. The setting of the elastic element ensures that the extrusion shafts 3 and the limiting shafts 5 can still continuously extrude extrusion on the flange forging during the outward expansion process.

[0026] The adjustment mechanism includes a bidirectional screw 6, a partition 7, a nut sleeve 8, an adjusting rod 9, and a drive motor 10. The interior and side walls of the central shaft 2 are provided with slots 11. The bidirectional screw 6 is rotatably mounted at the center of the slots 11. The partition 7 is provided at the middle end of the bidirectional screw 6 and is fixedly connected to the central shaft 2. Nut sleeves 8 are symmetrically provided on the bidirectional screw 6. Four sets of adjusting rods 9 are hinged to the outer wall of the nut sleeves 8. The other end of the adjusting rod 9 is hinged to the end of the extrusion shaft 3. The top of the central shaft 2 is provided with a drive motor 10 that drives the bidirectional screw 6 to rotate.

[0027] The drive motor 10 drives the bidirectional screw 6 to rotate, thereby causing the nut sleeve 8 to move on the bidirectional screw 6, which in turn pushes the extrusion shaft 3 to move through the adjusting rod 9.

[0028] The support assembly includes a fixed plate 12 and a movable plate 13. The fixed plate 12 is attached to the outer side wall of the base plate 1 and rotates synchronously with the central axis 2 along the outer side wall of the base plate 1. The movable plate 13 is slidably installed on the top of the fixed plate 12, and the end of the fixed plate 12 is provided with a mounting plate 14.

[0029] This device drives the fixed plate 12 to rotate by rotating the central shaft 2, thereby driving the moving plate 13 and the mounting plate 14 on the fixed plate 12 to rotate synchronously, thus ensuring the uniformity of deformation of the ring forging when it expands into a ring.

[0030] The elastic element includes a guide rod 15 and a spring 16. The guide rod 15 is symmetrically arranged on the side wall of the limiting shaft 5. One end of the guide rod 15 passes through the moving plate 13. The spring 16 is provided on the guide rod 15 between the limiting shaft 5 and the moving plate 13.

[0031] The elastic element is composed of a spring 16 and a guide rod 15. The function of the spring 16 is to provide extrusion force and to contract synchronously when expanding outward. The guide rod 15 and the moving plate 13 are connected by a through connection to ensure the stability of the direction when the limit shaft 5 moves.

[0032] The rolling mechanism includes a support frame 17, a hydraulic drive component, and a rolling component. The top of the support frame 17 is provided with a hydraulic drive component, and the output end of the hydraulic drive component is fixed with the rolling component. The rolling component is located directly above the base plate 1.

[0033] The rolling mechanism uses the traditional downward rolling method to roll the ring. Combined with the rolling method of this device, the rolling of the ring can be integrated, which greatly facilitates the processing of wind power flanges.

[0034] The hydraulic drive component includes a first hydraulic drive ring 18, a second hydraulic drive ring 19, a third hydraulic drive ring 20, and a fourth hydraulic drive ring 21. The second hydraulic drive ring 19 is located inside the first hydraulic drive ring 18, the third hydraulic drive ring 20 is located inside the second hydraulic drive ring 19, and the fourth hydraulic drive ring 21 is located inside the third hydraulic drive ring 20. The support frame 17 is equipped with four sets of hydraulic oil pumps 27, which are connected to the first hydraulic drive ring 18, the second hydraulic drive ring 19, the third hydraulic drive ring 20, and the fourth hydraulic drive ring 21 respectively through oil supply pipes 28.

[0035] The forming element includes a first forming ring 22, a second forming ring 23, a third forming ring 24, and a fourth forming ring 25. The second forming ring 23 is located inside the first forming ring 22, the third forming ring is located inside the second forming ring 23, and the fourth forming ring 25 is located inside the third forming ring 24.

[0036] The internal structures of the first hydraulic drive ring 18, the second hydraulic drive ring 19, the third hydraulic drive ring 20, and the fourth hydraulic drive ring 21 in this device are the same as those of the hydraulic cylinders. By activating different hydraulic cylinders, the operation of the first hydraulic drive ring 18, the second hydraulic drive ring 19, the third hydraulic drive ring 20, and the fourth hydraulic drive ring 21 can be independently controlled, ensuring the rolling of the top surface of different types of wind turbine flanges and increasing the applicability of this device.

[0037] Wind turbine flanges can be divided into T-shaped wind turbine flanges and L-shaped wind turbine flanges according to their cross-section. Different shapes are rolled out on the top surface of the flange forging by controlling the downward movement of different rolling elements.

[0038] The adjustment assembly includes an adjustment cylinder 26, which is provided in four groups. The output ends of the four groups of adjustment cylinders 26 are respectively fixedly connected to the moving plate 13, and the adjustment cylinder 26 is fixedly connected to the mounting plate 14.

[0039] By adjusting the cylinder 26 to push the extrusion shaft 3 to fit against the outer wall of the flange forging, flange forgings of different outer diameters can be rolled into rings, further increasing the applicability of this device.

[0040] The ring rolling method using the above-mentioned wind turbine flange ring rolling adjustment device includes the following steps;

[0041] S1. First, the flange forging is placed on the central shaft 2, and the base plate 1 supports the flange forging. Then, the moving plate 13 is pushed by the adjusting component to drive the limit shaft 5 to move and fit against the outer wall of the flange forging. At this time, the power source 4 and the drive motor 10 work synchronously.

[0042] S2. The drive motor 10 drives the bidirectional screw 6 to rotate, which causes the adjusting rod 9 to push the extrusion shaft 3 to extrude outward. At the same time, the drive source drives the central shaft 2 to rotate, which causes the extrusion shaft 3 to rotate synchronously along the inner wall of the flange forging. Meanwhile, the elastic element pushes the limiting shaft 5 to extrude from the outside to the inside. Through bidirectional extrusion, the wall thickness of the forging becomes narrower. At the same time, as the extrusion shaft 3 feeds outward, the elastic element contracts synchronously while ensuring inward extrusion.

[0043] S3. While the extrusion shaft 3 rotates with the central shaft 2, the extrusion shaft 3 rotates synchronously, and the limiting shaft 5 rotates synchronously along the outer wall of the forging while rotating with the central shaft 2.

[0044] S4. After the ring rolling is completed, the top surface of the flange forging is rolled as needed. The corresponding rolling element is driven by a hydraulic drive to press down and roll the top surface of the flange.

[0045] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind turbine flange rolling ring adjustment device, characterized in that: It includes a base plate (1), a central shaft (2) located at the center of the base plate (1), a rolling mechanism located above the base plate (1), and a limiting mechanism located on the four sides of the base plate (1). The central shaft (2) is rotatably mounted on the base plate (1). Four sets of extrusion shafts (3) are arranged in a ring array on the outer wall of the central shaft (2). An adjustment mechanism for adjusting the position of the extrusion shafts (3) is provided inside the central shaft (2). A power source (4) for driving the central shaft (2) to rotate is provided at the center of the bottom of the base plate (1). The limiting mechanism includes a support assembly, a limiting shaft (5), an elastic element, and an adjustment assembly. The support assembly is distributed on the four sides of the base plate (1) and aligned with the extrusion shaft (3). The limiting shaft (5) is installed on the inner side of the support assembly through the elastic element. The adjustment assembly is provided on the outer side of the support assembly. The limiting shaft (5) rotates synchronously along the outer wall of the flange forging with the rotation of the central shaft (2).

2. The wind turbine flange rolling ring adjustment device according to claim 1, characterized in that: The adjustment mechanism includes a bidirectional screw (6), a partition (7), a nut sleeve (8), an adjustment rod (9), and a drive motor (10). The interior and side wall of the central shaft (2) are provided with slots (11). The bidirectional screw (6) is rotatably mounted in the center of the slot (11). The middle end of the bidirectional screw (6) is provided with a partition (7). The partition (7) is fixedly connected to the central shaft (2). Nut sleeves (8) are symmetrically provided on the bidirectional screw (6). Four sets of adjustment rods (9) are hinged to the outer wall of the nut sleeves (8). The other end of the adjustment rods (9) is hinged to the end of the extrusion shaft (3). The top of the central shaft (2) is provided with a drive motor (10) that drives the bidirectional screw (6) to rotate.

3. The wind turbine flange rolling ring adjustment device according to claim 2, characterized in that: The support assembly includes a fixed plate (12) and a movable plate (13). The fixed plate (12) is attached to the outer side wall of the base plate (1) and rotates synchronously with the central axis (2) along the outer side wall of the base plate (1). The movable plate (13) is slidably installed on the top of the fixed plate (12), and the end of the fixed plate (12) is provided with a mounting plate (14).

4. The wind turbine flange rolling ring adjustment device according to claim 3, characterized in that: The elastic element includes a guide rod (15) and a spring (16). The guide rod (15) is symmetrically provided on the side wall of the limiting shaft (5). One end of the guide rod (15) passes through the moving plate (13). The spring (16) is provided on the guide rod (15) between the limiting shaft (5) and the moving plate (13).

5. A wind turbine flange rolling ring adjustment device according to claim 4, characterized in that: The rolling mechanism includes a support frame (17), a hydraulic drive and a rolling component. The top of the support frame (17) is provided with a hydraulic drive, and the output end of the hydraulic drive is fixed with a rolling component. The rolling component is located directly above the base plate (1).

6. A wind turbine flange rolling ring adjustment device according to claim 5, characterized in that: The hydraulic drive component includes a first hydraulic drive ring (18), a second hydraulic drive ring (19), a third hydraulic drive ring (20), and a fourth hydraulic drive ring (21). The second hydraulic drive ring (19) is located inside the first hydraulic drive ring (18), the third hydraulic drive ring (20) is located inside the second hydraulic drive ring (19), and the fourth hydraulic drive ring (21) is located inside the third hydraulic drive ring (20). Four sets of hydraulic oil pumps (27) are provided on the support frame (17). The four sets of hydraulic oil pumps (27) are connected to the first hydraulic drive ring (18), the second hydraulic drive ring (19), the third hydraulic drive ring (20), and the fourth hydraulic drive ring (21) respectively through oil supply pipes (28).

7. A wind turbine flange rolling ring adjustment device according to claim 6, characterized in that: The rolling element includes a first rolling ring (22), a second rolling ring (23), a third rolling ring (24), and a fourth rolling ring (25). The second rolling ring (23) is located inside the first rolling ring (22), the third rolling ring is located inside the second rolling ring (23), and the fourth rolling ring (25) is located inside the third rolling ring (24).

8. A wind turbine flange rolling ring adjustment device according to claim 7, characterized in that: The adjustment assembly includes an adjustment cylinder (26), which is provided in four groups. The output ends of the four groups of adjustment cylinders (26) are respectively fixedly connected to the moving plate (13), and the adjustment cylinder (26) is fixedly connected to the mounting plate (14).

9. A method for rolling the rings of a wind turbine flange rolling ring adjustment device according to claim 8, characterized in that: Includes the following steps; S1. First, the flange forging is placed on the central shaft (2), and the base plate (1) supports the flange forging. Then, the moving plate (13) is pushed by the adjusting component to drive the limiting shaft (5) to move and fit against the outer wall of the flange forging. At this time, the power source (4) and the drive motor (10) work synchronously. S2. The drive motor (10) drives the bidirectional screw (6) to rotate, so that the adjusting rod (9) pushes the extrusion shaft (3) to extrude outward. At the same time, the drive source drives the central shaft (2) to rotate, so that the extrusion shaft (3) rotates synchronously along the inner wall of the flange forging. Meanwhile, the elastic element pushes the limiting shaft (5) to extrude from the outside to the inside. Through bidirectional extrusion, the wall thickness of the forging becomes narrower. At the same time, as the extrusion shaft (3) feeds outward, the elastic element contracts synchronously while ensuring inward extrusion. S3. While the extrusion shaft (3) rotates with the central shaft (2), the extrusion shaft (3) rotates synchronously, and the limiting shaft (5) rotates synchronously along the outer wall of the forging while rotating with the central shaft (2), and the limiting shaft (5) rotates synchronously. S4. After the ring rolling is completed, the top surface of the flange forging is rolled as needed. The corresponding rolling element is driven by a hydraulic drive to press down and roll the top surface of the flange.

Images