A convenient tooling for assembling and disassembling the yaw motor of a megawatt-class wind turbine.
Through innovative design of protective shell, support components and positioning components, the problem of difficult disassembly and assembly of the yaw motor body in the tooling of megawatt-level wind turbine yaw motors has been solved, realizing the functions of quick disassembly and assembly and adaptability to yaw motors of different sizes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Filing Date
- 2025-09-28
- Publication Date
- 2026-07-17
Smart Images
Figure CN224515304U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wind power technology, specifically a tooling for convenient disassembly and assembly of yaw motors in megawatt-class wind turbine units. Background Technology
[0002] The yaw motor of a megawatt-class wind turbine is a key component of the wind turbine generator. Due to the complex load and harsh working environment of the wind turbine generator, the yaw motor needs to be disassembled and replaced multiple times. The yaw motor tooling is an auxiliary tool specially designed for the assembly of yaw motors. The yaw motor tooling can improve efficiency and reduce the difficulty of operation. Chinese utility model patent CN219990945U discloses a jig for disassembling and assembling a yaw motor in a wind turbine, including a bracket with several legs, each leg equipped with rollers; a hoisting structure including a hand-operated hoist suspended on the bracket and an inner ring for binding the yaw motor, wherein the end of the hoist's sling is provided with a first lifting ring; a steel wire rope with a hook is fixed to the first lifting ring, and a sling with hooks at both ends is threaded through the first sling, the sling being equipped with a tensioner; this utility model uses the cooperation of the sling with tensioner, the steel wire rope, and the hand-operated hoist, allowing a single person to adjust the attitude of the yaw motor in the hoisting state, avoiding the problem of the motor shaft touching the ground first during the lowering process, and reducing damage to the motor shaft; Chinese utility model patent with authorization announcement number CN218598291U discloses a yaw motor replacement device for wind turbines, including an outer ring of fixtures and an inner ring of fixtures for binding the yaw motor. The top of the outer ring of fixtures is provided with an installation beam, and the installation beam is provided with a hand chain hoist for lifting the inner ring of fixtures. A lifting rope is provided between the hand chain hoist and the inner ring of fixtures, which solves the problem of the inconvenience of replacing traditional yaw motors. Based on existing solutions and actual production and processing, the existing yaw motor fixtures for megawatt-class wind turbines have the yaw motor body fixed inside the device, which makes it inconvenient to quickly disassemble and assemble the yaw motor body. Therefore, we propose a fixture for convenient disassembly and assembly of the yaw motor of megawatt-class wind turbines to solve the problems mentioned above. Utility Model Content
[0003] The purpose of this utility model is to provide a convenient tooling for disassembling and assembling the yaw motor of a megawatt-class wind turbine, so as to solve the problem mentioned in the background art that the existing tooling for the yaw motor of a megawatt-class wind turbine has the yaw motor body fixed inside the device, which makes it inconvenient to quickly disassemble and assemble the yaw motor body.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a tooling for convenient assembly and disassembly of a megawatt-class wind turbine yaw motor, comprising a protective shell, a hand-operated hoist, a limiting shell, and the yaw motor body: The bottom of the protective shell is equipped with a support component at an equal angle, and a hand chain hoist is installed inside the protective shell. The rope on the hand chain hoist is connected to a branch rope. The outer end of the limiting shell is fixed with a hanging lug, and the limiting shell is fixed with the yaw motor body by a positioning component.
[0005] Preferably, the support assembly includes a first support plate, a second support plate, screw holes, a brake wheel, and a plug rod. The lower surface of the protective shell is fixed with the first support plate, and the outer end of the first support plate is fixedly connected to the second support plate by screws. The interior of the second support plate is provided with screw holes at equal intervals, and the brake wheel is installed below the second support plate. The bottom end of the second support plate is threadedly connected to the plug rod.
[0006] Preferably, the branch rope is connected to the limiting shell via a lug.
[0007] Preferably, the positioning assembly includes a motor, a reverse lead screw, a moving plate, and an arc plate. The motor is fixed to the outer side of the limiting shell, and the output end of the motor is fixed to the reverse lead screw. The outer end of the reverse lead screw is threadedly connected to the moving plate, and the end of the moving plate is engaged with the arc plate.
[0008] Preferably, the outer end of the reverse lead screw is rotatably mounted on the limiting housing.
[0009] Preferably, the interior of the limiting shell is provided with a sliding groove, and the outer end of the movable plate is provided in the sliding groove of the limiting shell.
[0010] Preferably, the movable plate forms a left-right sliding structure with the limiting shell via a reverse lead screw.
[0011] Compared with the prior art, the beneficial effects of this utility model are: the tooling for convenient assembly and disassembly of megawatt-level wind turbine yaw motors can facilitate quick assembly and disassembly of the yaw motor body through the positioning components. By replacing the arc plates with different curvatures and adjusting the spacing between the two sets of arc plates, yaw motor bodies of different diameters can be fixed. 1. A support assembly is installed at the bottom of the protective shell at equal angles. The support assembly includes a first support plate, a second support plate, screw holes, a brake wheel, and a rod. The height of the tooling can be adjusted by adjusting the length of the structure formed by the first support plate and the second support plate. The brake wheel is used to facilitate the movement of the tooling. 2. The yaw motor body is fixed in the limiting shell by the positioning components. The positioning components include a motor, a reverse screw, a moving plate and an arc plate. When the yaw motor body needs to be installed, the yaw motor body is placed inside the limiting shell, the motor is started, the motor drives the reverse screw to rotate clockwise, and the moving plate and arc plate, which are threaded to the reverse screw, move inward. The yaw motor body is limited by the two sets of moving plates and arc plates. The positioning components facilitate quick installation and removal of the yaw motor body. 3. The connection between the movable plate and the arc plate is a snap-fit connection. By replacing the arc plates with different curvatures and adjusting the spacing between the two sets of arc plates, yaw motor bodies of different diameters can be fixed. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the first axial side structure of the present invention; Figure 2 This is a schematic diagram of the axial section structure of this utility model; Figure 3 This is a schematic diagram of the first structure of the positioning component of this utility model; Figure 4 This is a schematic diagram of the second structure of the positioning component of this utility model; Figure 5 This is a schematic diagram of the second axial side structure of the present invention.
[0013] In the diagram: 1. Protective shell; 2. First support plate; 3. Second support plate; 4. Screw hole; 5. Brake wheel; 6. Insert rod; 7. Hand chain hoist; 8. Branch rope; 9. Limiting shell; 10. Hanging lug; 11. Yaw motor body; 12. Motor; 13. Reverse lead screw; 14. Moving plate; 15. Arc plate. Detailed Implementation
[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0015] Please see Figures 1-5 The existing yaw motor tooling for megawatt-class wind turbines has the yaw motor body 11 fixed inside the device, which is inconvenient for quick disassembly and assembly of the yaw motor body 11. In order to solve this technical problem, this embodiment discloses the following technical content. A tooling for easy assembly and disassembly of the yaw motor of a megawatt-class wind turbine, comprising a protective shell 1, a support assembly, a hand chain hoist 7, a branch rope 8, a limiting shell 9, a hanging lug 10, a yaw motor body 11, and a positioning assembly; A support assembly is installed at the bottom of the protective shell 1 at equal angles. The support assembly includes a first support plate 2, a second support plate 3, screw holes 4, a brake wheel 5, and a plug rod 6. The first support plate 2 is fixed to the lower surface of the protective shell 1, and the second support plate 3 is fixedly connected to the outer end of the first support plate 2 by screws. Screw holes 4 are opened at equal intervals inside the second support plate 3, and a brake wheel 5 is installed below the second support plate 3. The plug rod 6 is threadedly connected to the bottom end of the second support plate 3. The operating height of the device can be adjusted as needed. The second support plate 3 can be raised or lowered inside the first support plate 2. The screw holes 4 on the second support plate 3 at a suitable height can be selected so that the screw holes 4 on the second support plate 3 are aligned with the screw holes 4 on the first support plate 2. The first support plate 2 and the second support plate 3 can be fixed with screws. When moving, the device can be moved with the assistance of the brake wheel 5. When the device needs to be positioned, the brake pads on the brake wheel 5 can be lowered. When the ground where the device is located is soil, the insertion rod 6 can be manually rotated so that the bottom end of the insertion rod 6 is inserted into the ground to increase the stability of the device. A hand chain hoist 7 is installed inside the protective shell 1. A branch rope 8 is connected to the rope on the hand chain hoist 7. A hanging ear 10 is fixed to the outer end of the limiting shell 9. The branch rope 8 is connected to the limiting shell 9 through the hanging ear 10. The height position of the branch rope 8, the limiting shell 9, and the yaw motor body 11 is controlled by the hand chain hoist 7. The limiting shell 9 is fixed with the yaw motor body 11 by a positioning component. The positioning component includes a motor 12, a reverse screw 13, a moving plate 14, and an arc plate 15. The motor 12 is fixed on the outer side of the limiting shell 9, and the output end of the motor 12 is fixed with the reverse screw 13. The outer end of the reverse screw 13 is threadedly connected to the moving plate 14, and the end of the moving plate 14 is engaged with the arc plate 15. The outer end of the reverse screw 13 is rotatably mounted on the limiting shell 9. A sliding groove is opened inside the limiting shell 9, and the outer end of the moving plate 14 is set in the sliding groove of the limiting shell 9. The moving plate 14 and the limiting shell 9 form a left and right sliding structure through the reverse screw 13. When it is necessary to quickly remove the yaw motor body 11, the motor 12 is started by the controller. The motor 12 drives the reverse screw 13 to rotate counterclockwise. The moving plate 14, which is threaded to the reverse screw 13, moves outward, so that the arc plate 15 leaves the yaw motor body 11, and the yaw motor body 11 is quickly removed. When it is necessary to fix yaw motor bodies 11 of different sizes, since the connection between the movable plate 14 and the arc plate 15 is a snap-fit connection, the arc plate 15 can be removed from the movable plate 14 and replaced with an arc plate 15 of different curvature to adapt to yaw motor bodies 11 of different diameters. The above completes a series of operations for the convenient assembly and disassembly of the yaw motor tooling for megawatt-class wind turbines. Any content not described in detail in this manual is existing technology known to those skilled in the art.
[0016] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.
[0017] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A tooling for convenient assembly and disassembly of a megawatt-class wind turbine yaw motor, comprising a protective shell (1), a hand-operated hoist (7), a limiting shell (9), and a yaw motor body (11), characterized in that: The bottom of the protective shell (1) is equipped with a support component at an equal angle, and a hand chain hoist (7) is installed inside the protective shell (1). The rope on the hand chain hoist (7) is connected to a branch rope (8). The outer end of the limiting shell (9) is fixed with a hanging ear (10), and the limiting shell (9) is fixed with the yaw motor body (11) by a positioning component.
2. The tooling for the yaw motor of the megawatt wind turbine generator according to claim 1, characterized in that: The support assembly includes a first support plate (2), a second support plate (3), screw holes (4), a brake wheel (5), and a plug rod (6). The lower surface of the protective shell (1) is fixed with the first support plate (2), and the outer end of the first support plate (2) is fixedly connected to the second support plate (3) by screws. The second support plate (3) has screw holes (4) evenly spaced inside, and the brake wheel (5) is installed below the second support plate (3). The bottom end of the second support plate (3) is threadedly connected to the plug rod (6).
3. The tooling for the yaw motor of the megawatt wind turbine generator according to claim 1, characterized in that: The branch rope (8) is connected to the limiting shell (9) via the lug (10).
4. The tooling for the yaw motor of the megawatt wind turbine generator according to claim 1, characterized in that: The positioning assembly includes a motor (12), a reverse lead screw (13), a moving plate (14), and an arc plate (15). The motor (12) is fixed on the outer side of the limiting shell (9), and the reverse lead screw (13) is fixed at the output end of the motor (12). The moving plate (14) is threaded to the outer end of the reverse lead screw (13), and the arc plate (15) is engaged at the end of the moving plate (14).
5. The tooling for the yaw motor of the megawatt wind turbine generator according to claim 4, characterized in that: The outer end of the reverse lead screw (13) is rotatably mounted on the limiting housing (9).
6. The tooling for the yaw motor of the megawatt wind turbine generator according to claim 4, characterized in that: The interior of the limiting shell (9) is provided with a sliding groove, and the outer end of the movable plate (14) is provided in the sliding groove of the limiting shell (9).
7. The tooling for the yaw motor of the megawatt wind turbine generator according to claim 4, characterized in that: The movable plate (14) forms a left-right sliding structure with the limiting shell (9) through the reverse lead screw (13).