Supporting device for fault maintenance of yaw speed reducer
By designing a support device for yaw reducer fault repair, and utilizing a combination of motor-driven threaded rod and threaded block, the problem of inconvenient lifting during yaw reducer repair was solved. This achieved applicable support and height adjustment for reducers of different sizes, thus improving repair efficiency.
Patent Information
- Application Number
- CN202520029189.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing technologies present challenges in lifting yaw reducers during maintenance, especially in maintenance centers where it is difficult to effectively support and lift large yaw reducers.
A support device for yaw reducer fault repair was designed, including components such as longitudinal support column, transverse support column, motor, threaded rod, threaded block, support plate and positioning bolt. The motor drives the threaded rod and threaded block to achieve clamping, positioning and height adjustment of the yaw reducer, meeting the support requirements of different repair heights.
It provides applicability support for yaw reducers of different sizes and flexible height adjustment, simplifying the maintenance process and improving maintenance efficiency.
Smart Images

Figure CN223917917U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of support devices, and in particular to a support device for yaw reducer fault repair. Background Technology
[0002] A yaw reducer typically consists of a motor, a reducer, and a steering system. It automatically monitors wind direction through an electronic control system and adjusts the steering angle accordingly to achieve wind turbine rotation. Currently, when a yaw reducer malfunctions, repairs require a crane to remove it and transport it to a repair center. Due to the large size and weight of the yaw reducer, lifting it during repairs at the center is inconvenient. Therefore, this paper proposes a support device for yaw reducer malfunction repairs to facilitate the lifting of the yaw reducer. Utility Model Content
[0003] The purpose of this invention is to provide a support device for yaw reducer fault repair, which has the advantage of being able to lift the yaw reducer.
[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a support device for yaw reducer fault repair, comprising a longitudinal support column, a motor I installed on the top of the longitudinal support column, a threaded rod fixedly installed on the output end of the motor I, a connecting block threadedly connected to the surface of the threaded rod, and a transverse support column fixedly connected to one side of the connecting block; a motor II installed on one side of the transverse support column, a bidirectional screw fixedly installed on the output end of the motor II via a coupling, two threaded blocks threadedly connected to the surface of the bidirectional screw, a support plate fixedly connected to the outer side of each of the two threaded blocks, a positioning bolt threadedly connected to the internal thread of the support plate, and an internally threaded lifting lug fixedly connected to the yaw reducer on the surface of the support plate.
[0005] By adopting the above technical solution, and by setting up a transverse support column, a second motor, a double-acting screw, two threaded blocks, two support plates, two positioning bolts, and two internally threaded lifting lugs fixedly connected to the yaw reducer, it is possible to clamp and position yaw reducers of different sizes, which is both applicable and practical. By setting up a first motor, a threaded rod, a connecting block, and a transverse support column, the transverse support column can be adjusted to drive the yaw reducer to different heights, thereby meeting the lifting requirements and support of the yaw reducer at different heights during maintenance.
[0006] The present invention is further configured such that: a guide groove is provided on the side of the longitudinal support near the transverse support, and a guide rod is provided inside the guide groove that is slidably connected to the connecting block, and the top and bottom ends of the guide rod are fixedly connected to the longitudinal support.
[0007] The above technical solution uses guide grooves and guide rods to guide the connecting block in a straight line and to limit the connecting block, preventing it from rotating with the threaded rod.
[0008] The present invention is further configured such that: a guide groove is provided on the side of the transverse support near the support plate, and a guide rod is provided inside the guide groove and fixedly connected to the transverse support; the guide rod is slidably connected to the interior of two threaded blocks.
[0009] The above technical solution uses guide grooves and guide rods to guide the two threaded blocks in a straight line, and also to restrict the two threaded blocks so that they cannot rotate with the rotation of the bidirectional screw.
[0010] The present invention is further configured such that: the threaded rod is rotatably connected to a bearing and a longitudinal support, and the output end of the motor is rotatably connected to a bearing and a longitudinal support.
[0011] By adopting the above technical solution, the threaded rod and the output end of the motor can be rotated in a fixed position by using the bearing inside the longitudinal support.
[0012] The present invention is further configured such that: the bidirectional screw is rotatably connected to the horizontal support via a bearing, and the output end of the second motor is rotatably connected to the horizontal support via a bearing.
[0013] By adopting the above technical solution, the use of bearings inside the transverse support can restrict the rotation of the bidirectional screw and the output end of the second motor to a fixed position.
[0014] The present invention is further configured such that: a base is installed at the bottom of the longitudinal support column, and the base has an installation hole inside.
[0015] Using the above technical solution, screws can be installed through the inside of the mounting hole, and expansion nuts can be installed on the ground. The expansion screws and expansion nuts pass through the inside of the mounting hole for installation, thereby positioning the longitudinal support.
[0016] Alternatively, screws can be passed through the bottom of the mounting holes to install positioning casters, which facilitates the movement of the device. However, the weight of the longitudinal support, its internal structure, and the motor must be greater than that of the supported yaw reducer. If this requirement cannot be met, the installation of casters is not permitted.
[0017] In summary, this utility model has the following beneficial effects:
[0018] This utility model, by setting up a horizontal support column, a second motor, a double-acting screw, two threaded blocks, two support plates, two positioning bolts, and two internally threaded lifting lugs fixedly connected to the yaw reducer, can clamp and position yaw reducers of different sizes, and has applicability and practicality.
[0019] By setting up a motor, threaded rod, connecting block, and transverse support, the transverse support can be adjusted to drive the yaw reducer to different heights, thereby meeting the different lifting requirements and support needs of the yaw reducer during maintenance. Attached Figure Description
[0020] Figure 1 This is a three-dimensional structural view of the present invention;
[0021] Figure 2 This is a schematic diagram of the structure of this utility model supporting the yaw reducer;
[0022] Figure 3 This is a top sectional view of the horizontal support column of this utility model;
[0023] Figure 4 This is a sectional view of the longitudinal support column of this utility model.
[0024] Reference numerals in the attached drawings: 1. Longitudinal support column; 2. Motor 1; 3. Threaded rod; 4. Connecting block; 5. Transverse support column; 6. Motor 2; 7. Bidirectional screw; 8. Threaded block; 9. Support plate; 10. Positioning bolt; 11. Guide rod; 12. Internal threaded lifting lug; 13. Base; 14. Mounting hole; 15. Guide groove; 16. Guide rod; 17. Guide groove. Detailed Implementation
[0025] The present invention will be further described in detail below with reference to the accompanying drawings.
[0026] Example 1:
[0027] refer to Figure 1 , Figure 2 and Figure 3A support device for troubleshooting a yaw reducer includes a longitudinal support column 1. A motor 2 is mounted on the top of the longitudinal support column 1. A threaded rod 3 is fixedly mounted on the output end of the motor 2. A connecting block 4 is threadedly connected to the surface of the threaded rod 3. A transverse support column 5 is fixedly connected to one side of the connecting block 4. A second motor 6 is mounted on one side of the transverse support column 5. A double-acting screw 7 is fixedly mounted on the output end of the second motor 6 via a coupling. Two threaded blocks 8 are threadedly connected to the surface of the double-acting screw 7. Support plates 9 are fixedly connected to the outer sides of both threaded blocks 8. Positioning bolts 10 are threadedly connected to the inside of the support plates 9. 9 has a threaded connection on its surface with an internal threaded lug 12 that is fixedly connected to the yaw reducer; by setting up a transverse support 5, a second motor 6, a double-acting screw 7, two threaded blocks 8, two support plates 9, two positioning bolts 10, and two internal threaded lugs 12 that are fixedly connected to the yaw reducer, it can clamp and position yaw reducers of different sizes, which is both applicable and practical; by setting up a first motor 2, a threaded rod 3, a connecting block 4, and a transverse support 5, the transverse support 5 can be adjusted to drive the yaw reducer to different heights, thereby meeting the lifting requirements and support of the yaw reducer at different heights during maintenance.
[0028] Furthermore, a guide groove 15 is provided on the side of the longitudinal support 1 near the transverse support 5. Inside the guide groove 15 is a guide rod 16 that is slidably connected to the connecting block 4. The top and bottom ends of the guide rod 16 are fixedly connected to the longitudinal support 1. The guide groove 15 and the guide rod 16 are used to guide the connecting block 4 in a straight line and to limit the connecting block 4 to prevent it from rotating with the threaded rod 3.
[0029] Furthermore, a guide groove 17 is provided on the side of the transverse support 5 near the support plate 9. Inside the guide groove 17, there is a guide rod 11 that is fixedly connected to the transverse support 5. The guide rod 11 is slidably connected to the inside of the two threaded blocks 8. The guide groove 17 and the guide rod 11 are used to guide the two threaded blocks 8 in a straight line, and also to restrict the two threaded blocks 8 so that they cannot rotate with the rotation of the bidirectional screw 7.
[0030] Furthermore, the threaded rod 3 is rotatably connected to the longitudinal support 1 via a bearing, and the output end of the motor 2 is rotatably connected to the longitudinal support 1 via a bearing.
[0031] Furthermore, the bidirectional screw 7 is rotatably connected to the transverse support 5 via bearings, and the output end of the second motor 6 is rotatably connected to the transverse support 5 via bearings. The use of bearings inside the transverse support 5 can restrict the rotation of the bidirectional screw 7 and the output end of the second motor 6 to a fixed position.
[0032] Furthermore, a base 13 is installed at the bottom of the longitudinal support 1. The base 13 has a mounting hole 14 inside. Screws can be installed through the mounting hole 14, and expansion nuts can be installed on the ground. The expansion screws and expansion nuts pass through the mounting hole 14 to install the longitudinal support 1, thereby positioning it. Alternatively, screws can be passed through the bottom of the mounting hole 14 to install a positioning caster, which facilitates the movement of the device. However, the weight of the longitudinal support 1, its internal structure, and the motor 2 must be greater than that of the supported yaw reducer. If this requirement cannot be met, the installation of casters is not allowed.
[0033] Brief description of usage:
[0034] When the yaw reducer malfunctions and requires repair, transport the yaw reducer to the installation location.
[0035] The motor 2 starts and drives the threaded rod 3 to rotate counterclockwise. The counterclockwise rotation of the threaded rod 3 drives the connecting block 4 to lower the horizontal support 5, so that the two positioning bolts 10 on one side of the horizontal support 5 are lowered to a position symmetrical to the internal threaded holes of the two internal threaded lifting lugs 12.
[0036] The motor 6 starts and drives the bidirectional screw 7 to rotate clockwise. When the bidirectional screw 7 rotates clockwise, it drives the two threaded blocks 8 on its surface to drive the two support plates 9 and the two positioning bolts 10 inside the two support plates 9 to move closer together. When the two positioning bolts 10 and the internal threaded holes of the two internal threaded lugs 12 correspond, the two positioning bolts 10 and the internal threaded holes of the two internal threaded lugs 12 are connected by threads in sequence.
[0037] Then, motor 2 starts, driving the threaded rod 3 to rotate clockwise. The threaded rod 3 drives the connecting block 4 on its surface, which in turn moves the transverse support 5, motor 2 6, double-acting screw 7, threaded block 8, support plate 9, and positioning bolt 10 upwards. The upward movement of the two positioning bolts 10 moves the two internally threaded lifting lugs 12 connected to them upwards. When the internally threaded lifting lugs 12 move upwards, they can move the yaw reducer downwards. When motor 2 starts, driving the threaded rod 3 to rotate counterclockwise, the threaded rod 3, with the cooperation of the connecting block 4, transverse support 5, and other structures, can lower the yaw reducer. This allows for support of the yaw reducer at different heights.
[0038] Maintenance personnel can perform maintenance work around the yaw reducer.
[0039] The rotation of the output terminals of the aforementioned motors 2 and 6 in different directions can be controlled by a controller. The controller's control of the motor's start and stop and its output terminal's clockwise or counterclockwise rotation is existing technology and will not be elaborated further here.
[0040] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.
Claims
1. A support device for troubleshooting a yaw reducer, comprising a longitudinal support column (1), characterized in that: A motor (2) is installed on the top of the longitudinal support (1). A threaded rod (3) is fixedly installed at the output end of the motor (2). A connecting block (4) is threadedly connected to the surface of the threaded rod (3). A transverse support (5) is fixedly connected to one side of the connecting block (4). A motor (6) is installed on one side of the transverse support (5). A bidirectional screw (7) is fixedly installed at the output end of the motor (6) through a coupling. Two threaded blocks (8) are threadedly connected to the surface of the bidirectional screw (7). A support plate (9) is fixedly connected to the outer side of each of the two threaded blocks (8). A positioning bolt (10) is threadedly connected to the inside of the support plate (9). An internal threaded lug (12) that is fixedly connected to the yaw reducer is threadedly connected to the surface of the support plate (9).
2. The support device for yaw reducer fault repair according to claim 1, characterized in that: The longitudinal support (1) has a guide groove (15) on the side near the transverse support (5). Inside the guide groove (15) is a guide rod (16) that is slidably connected to the connecting block (4). The top and bottom ends of the guide rod (16) are fixedly connected to the longitudinal support (1).
3. The support device for troubleshooting a yaw reducer according to claim 1, characterized in that: The transverse support (5) has a guide groove (17) on the side near the support plate (9). Inside the guide groove (17) is a guide rod (11) that is fixedly connected to the transverse support (5). The guide rod (11) is slidably connected to the inside of two threaded blocks (8).
4. The support device for troubleshooting a yaw reducer according to claim 1, characterized in that: The threaded rod (3) is rotatably connected to the longitudinal support (1) via a bearing, and the output end of the motor (2) is rotatably connected to the longitudinal support (1) via a bearing.
5. The support device for troubleshooting a yaw reducer according to claim 1, characterized in that: The bidirectional screw (7) is rotatably connected by a bearing and a transverse support (5), and the output end of the second motor (6) is rotatably connected by a bearing and a transverse support (5).
6. The support device for yaw reducer fault repair according to claim 1, characterized in that: The bottom of the longitudinal support (1) is fitted with a base (13), and the base (13) has an installation hole (14) inside.