A positioning structure for machining a wind turbine rotor

Abstract

The present invention relates to the technical field of wind turbines, and specifically, to a positioning structure for processing wind turbine rotors, comprising: a fixed base plate with a cylindrical through hole fixedly provided through the center; an inner support seat fixedly provided at the top center of the fixed base plate and located at the top of the cylindrical through hole, a through hole provided at the center of the inner support seat, a top seat provided in the through hole, one end of the top seat fixedly provided in the through hole, the other end of the top seat extends to the bottom of the cylindrical through hole and is fixedly connected to the top center of a displacement cylinder, a threaded hole fixedly provided at the bottom center of the displacement cylinder, a screw is threadedly connected to the threaded hole, and a module board interface is provided on one side of the fixed base plate for plugging in the module board.

Description

Technical Field

[0001] The present invention relates to the technical field of wind turbines, and in particular to a positioning structure for machining a wind turbine rotor. Background Art

[0002] A wind turbine is an electrical device that converts wind energy into mechanical work, which in turn drives the rotor to generate electricity. In a wind turbine, the rotor blades capture wind and transmit it to the rotor axis. The rotor axis is attached to the wind turbine's low-speed shaft, which is connected to the gearbox for power transmission. Therefore, the machining accuracy of the wind turbine rotor directly affects the efficient and stable operation of the wind turbine.

[0003] Currently, in existing wind turbine rotor machining processes, rotors are primarily secured in place using fixed-shaped clamps. This approach is not only incapable of adjusting for rotors of varying diameters, requiring the preparation of multiple sets of positioning fixtures as backup, but also fails to ensure rotor stability during machining. Rotor rotation can easily occur during machining, seriously endangering the safety of the workpiece and tool. To address these issues, we have designed a positioning structure for wind turbine rotor machining. Summary of the Invention

[0004] The purpose of the present invention is to provide a positioning structure for processing wind turbine rotors. On the one hand, the positioning structure for rotor processing is modularly designed, and there is no need to customize multiple fixtures for rotors of different diameters. The installation convenience can be improved by adjusting the position of the mounting holes. On the other hand, a clearance hole and a leakage hole are provided and baffles are used for discharge, so as to avoid long-term blockage of waste materials inside the clearance hole, which makes it unusable.

[0005] The embodiments of the present invention are achieved through the following technical solutions:

[0006] A positioning structure for processing a wind turbine rotor comprises: a fixed base plate with a cylindrical through hole fixedly provided through the center; an inner support seat fixedly provided at the top center of the fixed base plate and located at the top of the cylindrical through hole, a through hole provided at the center of the inner support seat, a top seat provided in the through hole, one end of the top seat fixedly provided in the through hole, the other end of the top seat extending to the bottom of the cylindrical through hole and fixedly connected to the top center of a displacement cylinder, a threaded hole fixedly provided at the bottom center of the displacement cylinder, a screw being threadedly connected to the threaded hole, and a module board interface provided on one side of the fixed base plate for plugging in the module board.

[0007] Optionally, the inner support seat is composed of four arc-shaped structures at the top, bottom, left and right sides, and a slide rail is fixedly provided at the bottom of each arc-shaped structure for sliding the arc-shaped structure.

[0008] Optionally, one end of the top seat located in the through hole is a cylindrical structure, and one end of the top seat located in the cylindrical through hole is a conical structure. The top seat is composed of a top cylindrical structure and a bottom conical structure fixedly connected.

[0009] Optionally, a module board is plugged into the module board interface of the fixed base plate, a displacement plate is provided inside the module board, and a locking screw hole is provided on one side of the fixed base plate close to the module board interface for assisting the fixation and removal of the module board.

[0010] Optionally, a sliding rod is fixedly provided inside the module plate, and the sliding rod assists the displacement plate in sliding in and out relative to the module plate.

[0011] Optionally, the displacement plate is specifically an inverted concave structure, and an adjustment rod is fixedly provided in the recess of the inverted concave structure, one end of the adjustment rod abuts against the inner side of the recess close to the fixed base plate, and the other end of the adjustment rod passes through and extends out of the inner side of the recess away from the fixed base plate, and a clamping block is fixedly provided on the adjustment rod at the inner side of the recess away from the fixed base plate.

[0012] Optionally, a yield hole is fixedly provided on one side of the top of the inverted concave structure, a rotating plate is rotatably provided between the top of the inverted concave structure and the recess, an interchangeable mounting hole is fixedly provided on one side of the top of the rotating plate, a leakage hole is fixedly provided on the other side of the top of the rotating plate, and an insertion interface is provided on one side of the rotating plate, and two insertion interfaces are fixedly provided symmetrically based on the center of the circle of the rotating plate, and a card plate is inserted into the insertion interface on the side away from the fixed base plate for sliding left and right.

[0013] Optionally, a baffle is obliquely provided inside the recess and at the top of the adjusting rod, and an oblique groove is provided at the connection between the fixed base plate and the module plate.

[0014] Optionally, the fixed base plate is provided with a module board interface in the east, south, west and north directions.

[0015] The technical solutions of the embodiments of the present invention have at least the following advantages and beneficial effects:

[0016] On the one hand, the embodiment of the present invention modularizes the positioning structure used for rotor processing, eliminating the need to customize multiple fixtures for rotors of different diameters. By adjusting the position of the mounting holes, the convenience of installation can be improved. On the other hand, clearance holes and leakage holes are provided and baffles are used for discharge, thereby preventing the clearance holes from being clogged with waste materials for a long time and becoming unusable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1A schematic structural diagram of a positioning structure for machining a wind turbine rotor provided by an embodiment of the present invention;

[0018] Figure 2 A schematic cross-sectional view of an inner support provided by an embodiment of the present invention;

[0019] Figure 3 A schematic structural diagram of a module panel provided by an embodiment of the present invention at a first cross-sectional angle;

[0020] Figure 4 A schematic structural diagram of a module panel according to a second cross-sectional angle provided by an embodiment of the present invention;

[0021] Figure 5 A schematic diagram of the specific structure of the rotating plate provided in an embodiment of the present invention;

[0022] Legend: 1. Fixed base plate; 2. Inner support seat; 3. Displacement cylinder; 4. Screw; 5. Top seat; 6. Module plate; 7. Locking screw hole; 8. Displacement plate; 9. Make way hole; 10. Slide rod; 11. Adjustment rod; 12. Baffle; 13. Clamping plate; 14. Rotating plate; 15. Interchangeable mounting hole; 16. Leakage hole. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0024] Reference Figure 1-Figure 5 As shown, Figure 1 A schematic structural diagram of a positioning structure for machining a wind turbine rotor provided by an embodiment of the present invention; Figure 2 A schematic cross-sectional view of an inner support provided by an embodiment of the present invention; Figure 3 A schematic structural diagram of a module panel provided by an embodiment of the present invention at a first cross-sectional angle; Figure 4 A schematic structural diagram of a module panel according to a second cross-sectional angle provided by an embodiment of the present invention; Figure 5 A schematic diagram of the specific structure of the rotating plate provided in an embodiment of the present invention.

[0025] In one embodiment, a positioning structure for processing a wind turbine rotor includes: a fixed base plate 1 with a cylindrical through hole fixedly provided in the center; an inner support seat 2 is fixedly provided in the top center of the fixed base plate 1 and located at the top of the cylindrical through hole, a through hole is provided in the center of the inner support seat 2, a top seat 5 is provided in the through hole, one end of the top seat 5 is fixed in the through hole, and the other end of the top seat 5 extends to the bottom of the cylindrical through hole and is fixedly connected to the top center of the displacement cylinder 3, a threaded hole is fixedly provided in the bottom center of the displacement cylinder 3, a screw 4 is threadedly connected to the threaded hole, and a module board interface is provided on one side of the fixed base plate 1 for plugging in the module board.

[0026] Specifically, the module board interface of the fixed base plate 1 is plugged with a module board 6, a displacement plate 8 is provided inside the module board 6, and a locking screw hole 7 is provided on the side of the fixed base plate 1 close to the module board interface for assisting the fixation and removal of the module board 6.

[0027] More specifically, the displacement plate 8 is an inverted concave structure, and an adjusting rod 11 is fixedly provided in the recess of the inverted concave structure. One end of the adjusting rod 11 abuts against the inner side of the recess close to the fixed base plate 1, and the other end of the adjusting rod 11 passes through and extends out of the inner side of the recess away from the fixed base plate 1. A blocking block is fixedly provided on the adjusting rod 11 at the inner side of the recess away from the fixed base plate 1.

[0028] More specifically, a yield hole 9 is fixedly provided on one side of the top of the inverted concave structure, a rotating plate 14 is rotatably provided between the top of the inverted concave structure and the recess, an interchangeable mounting hole 15 is fixedly provided on one side of the top of the rotating plate 14, a leakage hole 16 is fixedly provided on the other side of the top of the rotating plate 14, and an insertion interface is provided on one side of the rotating plate 14. Two insertion interfaces are fixedly provided symmetrically based on the center of the circle of the rotating plate 14, and a card plate 13 is inserted into the insertion interface on the side away from the fixed base plate 1 for sliding left and right.

[0029] In this embodiment, this embodiment includes a fixed base plate 1 for placing the workpiece, an inner support seat 2 that supports the inner circle of the workpiece from the inside, a top seat 5 that slides up and down to squeeze the inner support seat 2 from the inside, and a screw 4 threadedly connected to the displacement cylinder 3 to drive the top seat 5 to slide up and down. A module plate 6 is inserted into the fixed base plate 1 to facilitate the removal and replacement of bolts through the locking screw hole 7, a displacement plate 8 is installed inside the module plate 6 to change the position of the clearance hole 9 by sliding, a slide rod 10 that assists the displacement plate 8 in sliding relative to the module plate 6, an adjustment rod 11 that rotates to drive the displacement plate 8 to slide relative to the module plate 6, a baffle 12 is fixed and tilted above the adjustment rod 11 inside the displacement plate 8, a clamping plate 13 is installed on the side surface of the displacement plate 8 to limit the rotating plate 14 by engaging with the rotating plate 14, and the positions of the mounting hole 15 and the leakage hole 16 are interchanged by rotating the rotating plate 14 to achieve different functions of leaking waste and fixing the workpiece.

[0030] Specifically, a baffle 12 is obliquely provided inside the recess and at the top of the adjusting rod 11 , and an oblique groove is provided at the connection between the fixed base plate 1 and the module plate 6 .

[0031] The connection between the fixed base plate 1 and the module plate 6 designed in this embodiment is provided with an oblique groove to ensure that the waste guided by the baffle 12 will not interfere with the adjustment rod 11 and can flow down.

[0032] Specifically, the fixed base plate 1 is provided with a module board interface in the east, south, west and north directions.

[0033] The above design of this embodiment can facilitate the machining and fixing of the rotor and its workpiece in multiple directions, thereby improving the machining accuracy of the rotor.

[0034] In one embodiment, a sliding rod 10 is fixedly provided inside the module plate 6 , and the sliding rod 10 assists the displacement plate 8 in sliding in and out relative to the module plate 6 .

[0035] In this embodiment, the adjustment rod 11 or the sliding rod 10 can be used simultaneously or separately to slide the displacement plate in the module plate out, thereby improving the convenience of using the positioning structure.

[0036] In this embodiment, the position of the clearance hole 9 is changed by sliding the displacement plate 8 to facilitate the installation and fixation of different workpieces with bolts through the mounting holes 15. The requirements for different mounting bolt diameters are met by changing the inner diameter of the mounting hole 15 by replacing the module plate 6 as a whole. When the bottom lock hole is not pre-opened, the support of the inner support seat 2 from the inside is achieved by rotating the top seat 5 to slide upward, so that the inner support seat 2 spreads outward to support and clamp the inner circle of the workpiece from the inside.

[0037] To sum up, through the design of this embodiment, the rotor positioning structure can be modularly and quickly replaced, without the need to customize multiple fixtures for different workpieces. Combined with the adjustment of the mounting hole position, it is convenient to install a variety of workpieces; and clearance holes and leakage holes are provided and supplemented by baffles for discharge, to avoid long-term blockage of waste inside the clearance holes, which makes them unusable; the inner support seat can provide inner circle support for workpieces that cannot be locked at the bottom.

[0038] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A positioning structure for machining a wind turbine rotor, characterized in that: include: A fixed base plate (1) is fixedly provided with a cylindrical through hole in the center; an inner support seat (2) is fixedly provided at the top center of the fixed base plate (1) and located at the top of the cylindrical through hole, a through hole is provided at the center of the inner support seat (2), a top seat (5) is provided in the through hole, one end of the top seat (5) is fixedly provided in the through hole, the other end of the top seat (5) extends to the bottom of the cylindrical through hole and is fixedly connected to the top center of the displacement cylinder (3), a threaded hole is fixedly provided at the bottom center of the displacement cylinder (3), a screw (4) is threadedly connected to the threaded hole, and a module board interface is provided on one side of the fixed base plate (1) for plugging in the module board; The module board interface of the fixed base plate (1) is plugged with a module board (6), a displacement plate (8) is provided inside the module board (6), and a locking screw hole (7) is provided on one side of the fixed base plate (1) close to the module board interface for assisting the fixing and removal of the module board (6); A sliding rod (10) is also fixedly provided inside the module plate (6), and the sliding rod (10) assists the displacement plate (8) in sliding in and out relative to the module plate (6); The displacement plate (8) is specifically an inverted concave structure, and an adjusting rod (11) is fixedly provided in the notch of the inverted concave structure, one end of the adjusting rod (11) abuts against the inner side of the notch close to the fixed base plate (1), and the other end of the adjusting rod (11) passes through and extends out of the inner side of the notch away from the fixed base plate (1), and a clamping block is fixedly provided on the inner side of the notch away from the fixed base plate (1); A clearance hole (9) is fixedly provided on one side of the top of the inverted concave structure, a rotating plate (14) is rotatably provided between the top of the inverted concave structure and the recess, an interchangeable mounting hole (15) is fixedly provided on one side of the top of the rotating plate (14), a material leakage hole (16) is fixedly provided on the other side of the top of the rotating plate (14), an insertion interface is provided on one side of the rotating plate (14), two insertion interfaces are fixedly provided based on the center of the circle of the rotating plate (14), and a card plate (13) is inserted into the insertion interface on the side away from the fixed base plate (1) for sliding left and right.

2. The positioning structure for machining a wind turbine rotor according to claim 1, characterized in that: The inner support seat (2) is composed of four arc-shaped structures, namely, upper, lower, left and right. The bottom of each arc-shaped structure is fixedly provided with a slide rail for sliding the arc-shaped structure.

3. The positioning structure for machining a wind turbine rotor according to claim 2, characterized in that: One end of the top seat (5) located in the through hole is a cylindrical structure, and one end of the top seat (5) located in the cylindrical through hole is a conical structure. The top seat (5) is composed of a top cylindrical structure and a bottom conical structure fixedly connected.

4. The positioning structure for machining a wind turbine rotor according to claim 3, characterized in that: A baffle (12) is obliquely provided inside the recess and at the top of the adjusting rod (11), and an oblique slot is provided at the connection between the fixed base plate (1) and the module plate (6).

5. The positioning structure for machining a wind turbine rotor according to any one of claims 1 to 4, characterized in that: The fixed base plate (1) is provided with a module board interface in each of the east, south, west and north directions.

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