Wind power main shaft bearing simulation testing machine
By setting up a fixed frame, slots, fixing blocks, and bolts in the wind turbine main shaft bearing simulation testing machine, the adaptability of bearing bodies of multiple specifications is realized, solving the problem of single specification applicability of existing devices, improving testing efficiency and practicality, and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-03-10
AI Technical Summary
Existing wind turbine main shaft bearing testing equipment is only applicable to one type of bearing, which reduces its practicality and increases equipment costs.
By setting up a fixed frame, slots, fixing blocks, locking blocks, and fixing bolts, the inner dimensions of the fixed frame are adjusted to accommodate bearing bodies of various specifications. The motor drives the rotating rod to rotate and the vibration machine simulates actual conditions to ensure stable rotation of the bearing body and data accuracy.
This expands the application range of bearing housings, reduces equipment costs, and improves the practicality and efficiency of testing equipment.
Smart Images

Figure CN223985853U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of wind turbine main shaft bearing technology, and in particular to a wind turbine main shaft bearing simulation testing machine. Background Technology
[0002] The published patent CN220251352U discloses a wind turbine main shaft bearing test bench, which includes a detector, a base, a testing mechanism and a motor fixed on the base, and a frame. The frame contains a bearing body and a pressure testing component for longitudinally and laterally securing the bearing body. A vibrator is located below the frame. The vibrator vibrates the frame, transmitting the vibration force to the bearing body through the pressure testing component. In use, by using the pressure testing component to longitudinally and laterally secure the bearing body within the frame, pressure is measured on the bearing body, allowing for early detection of problems caused by stress affecting the bearing body. By using the vibrator below the frame to vibrate the frame and transmit the vibration force to the bearing body through the pressure testing component, the test bench simulates real-world field conditions, enabling early detection of problems caused by vibration affecting the bearing body.
[0003] However, the wind turbine main shaft bearing testing device in the aforementioned patent can only test one type of bearing, and is therefore not applicable to other types of bearings, which greatly reduces the practicality of the testing device and further increases the equipment cost.
[0004] Therefore, this application proposes a wind turbine main shaft bearing simulation test machine. Utility Model Content
[0005] This application proposes a wind turbine main shaft bearing simulation testing machine to solve the problems mentioned in the background art. By setting a fixed frame, slot, fixing block, clamping block and fixing bolt, the inner size of the fixed frame can be adjusted according to the specifications of the bearing body, so that it can be used for a variety of bearing bodies of different specifications, thereby expanding the application range of bearing bodies, enhancing the practicality of the testing device, reducing equipment costs and greatly improving the practicality of the device.
[0006] To achieve the above objectives, this application adopts the following technical solution:
[0007] A wind turbine main shaft bearing simulation test machine includes a housing, a motor, a rotating rod, a bearing body, a fixing block, a fixing frame, and a vibration machine. Two vibration machines are symmetrically fixedly connected inside the housing, and a fixing frame is fixedly connected between the two vibration machines. A fixing block is detachably connected inside the vibration machine, and a bearing body is detachably connected inside the fixing block.
[0008] In a preferred embodiment, the fixed frame has multiple slots inside, and the fixed block is fixedly connected to multiple blocks outside, and the fixed block is engaged with the fixed frame through the blocks and slots.
[0009] By placing the fixing block inside the fixing frame, the locking block on the fixing block is engaged in the locking slot on the fixing frame for initial connection, thereby improving the practicality of the device.
[0010] In a preferred embodiment, each of the card blocks is internally threaded with a fixing bolt, and the bottom end of each fixing bolt extends into the interior of the fixing frame;
[0011] The practicality of the device is improved by fixing the bolts by drilling them into the fixing block and the fixing frame with a tool.
[0012] In a preferred embodiment, the housing has an internal mounting slot, a motor is fixedly connected inside the mounting slot, a rotating rod is fixedly connected to the output end of the motor, and the rotating rod passes through the bearing housing.
[0013] By starting the motor, the motor drives the rotating rod to rotate, and the rotation of the rotating rod will drive the bearing body to perform simulated operation, thereby improving the practicality of the device.
[0014] In a preferred embodiment, a base plate is fixedly connected to the outside of the rotating rod and located at the bottom of the bearing body, and a top plate is detachably connected to the outside of the rotating rod and located at the top of the bearing body, and a fastening block is detachably attached to the top of the top plate;
[0015] By setting up a base plate, a top plate, and fastening blocks, the bearing body can be stably rotated under the drive of the rotating rod, thereby improving test efficiency, ensuring the accuracy of the simulated data of the bearing body, and thus enhancing the practicality of the device.
[0016] In a preferred embodiment, a box cover is rotatably connected inside the box body, a limiting cylinder is fixedly connected to the box cover, and the top end of the rotating rod extends into the limiting cylinder;
[0017] By setting a limiting cylinder on the cover, the rotating rod can be limited during rotation, ensuring the stability of the bearing body during simulation, thereby improving the practicality of the device.
[0018] The beneficial effects of this application are:
[0019] 1. The wind turbine main shaft bearing simulation testing machine is equipped with a fixed frame, slot, fixed block, clamping block and fixing bolt. The inner size of the fixed frame can be adjusted according to the specifications of the bearing body, so that it can be used for a variety of bearing bodies of different specifications, thereby expanding the application range of the bearing body, enhancing the practicality of the testing device, reducing equipment cost and greatly improving the practicality of the device.
[0020] 2. This wind turbine main shaft bearing simulation testing machine, by setting a base plate, a top plate and fastening blocks, ensures that the bearing body can rotate stably under the drive of the rotating rod, thereby improving the testing efficiency, ensuring the simulation data of the bearing body, and greatly enhancing the practicality of the device. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the main body of the device in this application;
[0022] Figure 2 This is a schematic internal cross-sectional view of the device in this application;
[0023] Figure 3 This is a schematic diagram of the bearing housing of the device in this application;
[0024] Figure 4 This is a schematic internal cross-sectional view of the device in this application.
[0025] The following are the labels in the diagram: 1. Box body; 2. Mounting groove; 3. Box cover; 31. Limiting cylinder; 4. Motor; 5. Rotating rod; 6. Base plate; 7. Top plate; 8. Fastening block; 9. Bearing body; 10. Fixing block; 101. Clamping block; 102. Fixing bolt; 11. Fixing frame; 111. Clamping groove; 12. Vibrator. Detailed Implementation
[0026] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.
[0027] Reference Figures 1-4 A wind turbine main shaft bearing simulation test machine includes a housing 1, a motor 4, a rotating rod 5, a bearing body 9, a fixing block 10, a fixing frame 11, and a vibrator 12. Two vibrators 12 are symmetrically fixedly connected inside the housing 1, and a fixing frame 11 is fixedly connected between the two vibrators 12. The fixing block 10 is detachably connected inside the vibrator 12, and the bearing body 9 is detachably connected inside the fixing block 10.
[0028] Reference Figures 2-4The fixed frame 11 has multiple slots 111 inside, and the fixed block 10 has multiple locking blocks 101 fixedly connected to the outside. The fixed block 10 is engaged with the fixed frame 11 through the locking blocks 101 and the slots 111. By placing the fixed block 10 inside the fixed frame 11, the locking blocks 101 on the fixed block 10 are engaged in the slots 111 on the fixed frame 11 for initial connection, thereby improving the practicality of the device.
[0029] Reference Figures 2-4 Each locking block 101 has a threaded connection to a fixing bolt 102 inside, and the bottom end of each fixing bolt 102 extends into the interior of the fixing frame 11. By drilling the fixing bolt 102 into the interior of the fixing block 10 and the fixing frame 11 with a tool, the device is fixed together, thereby improving its practicality.
[0030] Reference Figures 1-4 The housing 1 has an installation slot 2 inside, and a motor 4 is fixedly connected inside the installation slot 2. The output end of the motor 4 is fixedly connected to a rotating rod 5, and the rotating rod 5 passes through the inside of the bearing body 9. By starting the motor 4, the motor 4 drives the rotating rod 5 to rotate, and the rotation of the rotating rod 5 will drive the bearing body 9 to perform simulated operation, thereby improving the practicality of the device.
[0031] Reference Figures 2-4 A base plate 6 is fixedly connected to the outside of the rotating rod 5 and located at the bottom of the bearing body 9. A top plate 7 is detachably connected to the outside of the rotating rod 5 and located at the top of the bearing body 9. A fastening block 8 is detachably attached to the top of the top plate 7. By setting the base plate 6, the top plate 7 and the fastening block 8, the bearing body 9 can be stably rotated under the drive of the rotating rod 5, thereby improving the test efficiency, ensuring the simulation data of the bearing body 9, and thus improving the practicality of the device.
[0032] Reference Figures 1-4 The box body 1 is rotatably connected to the box cover 3, and the box cover 3 is fixedly connected to the limit cylinder 31, and the top end of the rotating rod 5 extends into the limit cylinder 31; by setting the limit cylinder 31 on the box cover 3, the rotating rod 5 can be limited during rotation, ensuring the stability of the bearing body 9 during simulation, thereby improving the practicality of the device.
[0033] Working principle: Open the cover 3 using the handle, then install the corresponding fixing block 10 on the fixing frame 11 according to the specifications of the bearing body 9. Place the fixing block 10 inside the fixing frame 11, so that the locking block 101 on the fixing block 10 is engaged in the locking groove 111 on the fixing frame 11 for initial connection. Then, drill the fixing bolt 102 into the fixing block 10 and the fixing frame 11 with a tool to fix them together. After the fixing block 10 is installed, put the bearing body 9 on the rotating rod 5 and place it inside the fixing block 10. The bottom of the bearing body 9 is on the bottom plate 6. Then, put the top plate 7 and the fastening block 8 on the rotating rod 5 in sequence. Rotate the fastening block 8 with a tool to make the top plate 7 fit tightly against the top of the bearing body 9. Use the pressure of the bottom plate 6 and the top plate 7 to fix the bearing body 9. Finally, start the motor 4, and the motor 4 drives... Rotating rod 5 drives bearing body 9 to perform simulated operation. During the simulation, the vibration machine 12 vibrates the fixed frame 11, transmitting the vibration force to the bearing body 9. By observing the pressure sensor data and the bearing body 9, problems with the bearing body 9 can be identified. By setting the fixed frame 11, slot 111, fixing block 10, locking block 101, and fixing bolt 102, the inner size of the fixed frame 11 can be adjusted according to the specifications of the bearing body 9, making it suitable for various specifications of bearing bodies 9, thereby increasing the application range of the bearing body 9, enhancing the practicality of the test device, and reducing equipment costs. By setting the base plate 6, top plate 7, and fastening block 8, it is ensured that the bearing body 9 can rotate stably under the drive of rotating rod 5, thereby improving test efficiency and ensuring the simulation data of the bearing body 9.
[0034] The above are merely preferred embodiments of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and the inventive concept of this application, should be included within the scope of protection of this application.
Claims
1. A wind power main shaft bearing simulation testing machine, comprising a box (1), a motor (4), a rotating rod (5), a bearing body (9), a fixed block (10), a fixed frame (11) and a vibration machine (12), characterized in that, The inside of the box (1) is fixedly connected with two vibration machines (12) symmetrically, two vibration machines (12) are fixedly connected with a fixed frame (11), the inside of the vibration machine (12) is detachably connected with a fixed block (10), the inside of the fixed block (10) is detachably connected with a bearing body (9).
2. The wind power main shaft bearing simulation test machine according to claim 1, characterized in that, The inside of the fixed frame (11) is provided with a plurality of clamping grooves (111), the outside of the fixed block (10) is fixedly connected with a plurality of clamping blocks (101), and the fixed block (10) is clamped between the clamping block (101) and the clamping groove (111) and the fixed frame (11).
3. The wind power main shaft bearing simulation test machine according to claim 2, characterized in that, The inside of each clamping block (101) is threadedly connected with a fixed bolt (102), and the bottom end of each fixed bolt (102) extends into the fixed frame (11).
4. The wind power main shaft bearing simulation test machine according to claim 1, characterized in that, The inside of the box (1) is provided with a mounting groove (2), the inside of the mounting groove (2) is fixedly connected with a motor (4), the output end of the motor (4) is fixedly connected with a rotating rod (5), and the rotating rod (5) penetrates the inside of the bearing body (9).
5. The wind power main shaft bearing simulation test machine according to claim 1, characterized in that, The bottom of the rotating rod (5) is fixedly connected with a bottom plate (6), and the top of the rotating rod (5) is detachably connected with a top plate (7), and the top of the top plate (7) is detachably connected with a fastening block (8).
6. The wind power main shaft bearing simulation test machine according to claim 1, characterized in that, The inside of the box (1) is rotatably connected with a box cover (3), the box cover (3) is fixedly connected with a limiting cylinder (31), and the top end of the rotating rod (5) extends into the limiting cylinder (31).
Citation Information
Patent Citations
Wind power main shaft bearing test bench
CN220251352U