Fan vibration measuring equipment
By designing automated fan vibration measurement equipment, using a gear system to facilitate installation and disassembly of the fan, and isolating it from external interference through a closed measurement chamber and partition boards, the problems of inaccurate measurement and complex operation in traditional equipment are solved, and efficient and stable fan vibration measurement is achieved.
Patent Information
- Application Number
- CN202510742634.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-05
- Publication Date
- 2025-09-23
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Traditional fan vibration measurement equipment has the following problems: the measurement environment is not closed, it is easily affected by external interference, it is inconvenient to operate, the fan installation and disassembly are complicated, and the measurement device has poor fixation, which affects the accuracy of the measurement results.
A fan vibration measurement device was designed, including a support frame, a measurement chamber, a sealing plate, a shelf plate, a gear plate, a turbine and other components. The fan was automatically installed and disassembled by a power motor-driven gear system. The measurement chamber was enclosed by a sealing plate and a partition board to avoid external interference. The rectangular column and the measurement plate were used for fixing and vertical measurement of the fan.
It improves the accuracy and stability of fan vibration measurement, simplifies the operation process, reduces the risk of equipment damage, and ensures the reliability of measurement results.
Smart Images

Figure CN120685198A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of vibration measuring equipment, in particular to a wind turbine vibration measuring equipment. Background Art
[0002] A fan is a type of driven fluid machine that relies on input mechanical energy to increase gas pressure and transport the gas. The term "fan" is a commonly used abbreviation for a gas compression and gas transport machine. Commonly referred to as fans, they include ventilators, blowers, and wind turbines. Fans are widely used for ventilation, dust removal, and cooling in factories, mines, tunnels, cooling towers, vehicles, ships, and buildings; for ventilation and draft in boilers and industrial furnaces; for cooling and ventilation in air conditioning equipment and household appliances; for drying and transporting grain; as wind tunnel air sources; and for inflation and propulsion of hovercraft.
[0003] Vibration measurement is a key step in fan performance testing and quality inspection. Traditional fan vibration measurement equipment often suffers from the following issues: The measurement environment is not closed, and the measurement chamber is not completely enclosed, making it susceptible to external interference such as airflow and noise, which affects measurement accuracy. Operation is also inconvenient, and the fan installation and removal process is complex and requires manual operation, which is inefficient and prone to damage to the equipment. The measurement device has poor fixation. The measurement device cannot effectively fix the fan, resulting in an unstable position during measurement, affecting the accuracy of the measurement results. Summary of the Invention
[0004] Technical Problems Solved: The fan installation and removal process is complex and manual, resulting in low efficiency and damage to the equipment. The measuring device is not able to effectively fix the fan, resulting in an unstable position during measurement, affecting the accuracy of the measurement results.
[0005] In view of the deficiencies in the prior art, the present invention provides a wind turbine vibration measuring device.
[0006] Technical Solution
[0007] In order to achieve the above-mentioned solution, the present invention provides the following technical solutions: a fan vibration measuring device, comprising a support frame and a measuring chamber installed on the support frame, a sealing plate is installed on the right side of the measuring chamber, a shelf plate is fixedly connected to the left side of the sealing plate, the top of the sealing plate is connected to a No. 1 tooth plate, the side of the No. 1 tooth plate is connected to a connecting plate, the front end of the connecting plate is connected to a No. 2 tooth plate, the No. 2 tooth plate is meshed with a turbine, a worm is installed on the front end movable cover of the measuring chamber, a flip cover plate is sleeved on the outer surface of the worm, the worm is meshed with the turbine, and one side of the No. 1 tooth plate is connected to a driving mechanism.
[0008] Furthermore, the driving mechanism includes a power motor, the output shaft of the power motor is fixedly sleeved with a No. 1 gear, a partition plate is installed inside the measuring chamber, and the No. 1 gear plate is movably connected to the internal top of the partition plate.
[0009] Furthermore, a protective cover is installed on the top of the partition plate, and the power motor is inside the protective cover.
[0010] Furthermore, the bottom end of the sealing plate is connected to a movable plate, the top end of the supporting frame is installed with a hollow plate, and the movable plate is movably connected to the hollow plate.
[0011] Furthermore, a circular groove is provided on the shelf, and a groove is provided on the circular groove.
[0012] Furthermore, a limit plate is installed in the middle of the measuring chamber, a rectangular column is movably sleeved inside the limit plate, and a spring is fixedly connected to the back of the rectangular column.
[0013] Furthermore, one end of the spring is connected to the rectangular column, and the other end is fixedly connected to the interior of the measuring chamber.
[0014] Furthermore, a protective plate is provided on the measuring chamber, and the protective plate is connected to a hollow block provided on the sealing plate.
[0015] Furthermore, a protective cover is provided on the top of the partition plate, and the outer shape of the protective cover is rectangular.
[0016] Furthermore, there are two rectangular columns, and the two rectangular columns have the same size.
[0017] Beneficial effects
[0018] Compared with the prior art, the present invention provides a wind turbine vibration measurement device with the following beneficial effects:
[0019] 1. This fan vibration measurement device starts the power motor, causing the rotation of gear No. 1 and the movement of rack No. 1. The output shaft of the power motor rotates gear No. 1, which in turn moves the rack No. 1. This in turn drives the connecting plate and worm gear. The movement of rack No. 1 drives both the connecting plate and the worm gear. The movement of the connecting plate rotates the turbine, which in turn rotates the flap to open. The cover plate then drives the shelf to the right. The shelf plate removes the fan from the measurement chamber, and the flap rotates to open, exposing the interior of the measurement chamber and allowing the operator to easily remove the fan.
[0020] This wind turbine vibration measurement equipment features a completely enclosed measurement chamber with a sealing plate. Partition panels isolate the power motor from the measurement area, effectively preventing external interference and noise from affecting the measurement results and ensuring accurate vibration measurement. The rectangular column and measuring plate design enable vertical measurement and fixation of the wind turbine, further improving measurement stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of the present invention;
[0022] Figure 2 It is a schematic cross-sectional structural diagram of the top of the present invention;
[0023] Figure 3 It is a structural schematic diagram of the top of the present invention;
[0024] Figure 4 It is a schematic cross-sectional structural diagram of the side of the present invention;
[0025] Figure 5 It is a structural schematic diagram of the bottom of the present invention.
[0026] In the figure: 1. Support frame; 2. Measuring chamber; 3. Partition plate; 4. Power motor; 5. Protective cover; 6. Gear No. 1; 7. Tooth plate No. 1; 8. Tooth plate No. 2; 9. Connecting plate; 10. Worm; 11. Turbine; 12. Flip plate; 13. Shelf plate; 14. Circular groove; 15. Closing plate; 16. Rectangular column; 17. Spring; 18. Limiting plate; 19. Protective cover; 20. Protective plate; 21. Hollow plate; 22. Moving plate. DETAILED DESCRIPTION
[0027] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in an exemplary manner in conjunction with the accompanying drawings.
[0028] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.
[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.
[0030] In the present invention, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.
[0031] In the present invention, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be such that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the reference terms "one scheme", "some schemes", "examples", "specific examples" or "some examples" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more schemes or examples.
[0032] See also Figures 1 to 5 This invention proposes a wind turbine vibration measurement device. Before conducting a wind turbine vibration measurement experiment, the operator needs to place the wind turbine in a dedicated test device. This test device is very sophisticated in design, and each component plays an important role, ensuring the accuracy and efficiency of the measurement process.
[0033] When using this wind turbine vibration measurement equipment, the operator first needs to place the wind turbine into the test equipment. This process is the first and most crucial step in the entire measurement process. The equipment is designed with ease of use and measurement accuracy in mind, with every detail carefully considered to ensure that the wind turbine is smoothly installed and remains stable during the measurement process.
[0034] The test equipment's support frame 1 is the fundamental structure of the entire setup. It provides stable support for the entire measurement system, much like the foundation of a building. The stability and robustness of support frame 1 are directly related to the overall performance of the equipment. Mounted atop support frame 1 is measurement chamber 2, the core component of the entire test equipment. Its internal structure and layout have been meticulously designed to meet the high-precision requirements of wind turbine vibration measurement. The space within chamber 2 has been optimized to ensure accurate wind turbine measurements and the proper functioning of the sensors and measurement devices within.
[0035] A sealing plate 15 is installed on the right side of the measuring chamber 2. The role of the sealing plate 15 is crucial. It seals the measuring chamber 2 as a whole, making the measuring chamber 2 form a relatively independent space. This closed design can effectively prevent external factors from interfering with the test process, ensuring the accuracy and reliability of the test results. During the test process, any external vibration, airflow or other interference factors may affect the vibration measurement of the fan, and the presence of the sealing plate 15 provides a stable testing environment for the measuring chamber 2. The design of the sealing plate 15 is not just for sealing. It also has a certain structural strength, can withstand a certain amount of pressure and impact, and protect the precision components inside the measuring chamber 2.
[0036] The bottom end of the sealing plate 15 is connected to a movable plate 22. The design of the movable plate 22 is also very clever. It provides a supporting function for the sealing plate 15 as a whole, ensuring that the sealing plate 15 remains stable during the movement. During the measurement process, the sealing plate 15 needs to be moved according to the operating requirements, and the supporting function of the movable plate 22 prevents the sealing plate 15 from shaking or deflecting during the movement. At the same time, the other end of the movable plate 22 is movably mounted inside the hollow plate 21. The setting of the hollow plate 21 serves to limit the movable plate 22 and also provides additional support for the movable plate 22. This design not only ensures the stability of the movable plate 22 during the movement, but also ensures the accuracy of its motion trajectory. In actual operation, the movement of the movable plate 22 needs to be carried out strictly in accordance with the predetermined trajectory to ensure the smooth progress of the measurement process. The limiting function of the hollow plate 21 can effectively prevent the movable plate 22 from deflecting or shaking during the movement, thereby ensuring the stability and reliability of the entire measurement system.
[0037] At the same time, a shelf 13 is fixedly connected to the left side of the sealing plate 15. The shelf 13 is a key component for placing the fan, and its design fully considers the convenience of operation and the fixed stability of the fan. A circular groove 14 is provided on the shelf 13. The shape and size of the circular groove 14 match the bottom structure of the fan, so that the fan can be stably placed on the shelf 13. In order to further improve the fixing effect of the fan, the operator can firmly fix the fan on the shelf 13 with bolts. This fixing method not only ensures that the fan will not shift or shake during the measurement process, but also ensures the accuracy of the measurement results. When the fan is fixed on the shelf 13, the entire measuring device is in a completely closed state. This closed state is crucial to the measurement process because it can effectively prevent external factors from interfering with the measurement results.
[0038] To facilitate the operator's operation, a partition board 3 is installed inside the measuring chamber 2. The partition board 3 isolates the internal structure of the measuring chamber 2 from the external environment. This isolation design not only protects the precision components inside the measuring chamber 2 from external contamination or damage, but also prevents external factors from affecting the vibration measurement results of the fan. A power motor 4 is installed inside the top of the partition board 3. The power motor 4 is the power source of the entire measuring equipment and provides power support for the entire measurement process. At the same time, a protective cover 5 is installed at the top of the partition board 3, and the power motor 4 is installed inside the protective cover 5. The design of the protective cover 5 is also very important. It can effectively isolate the noise generated by the power motor 4. During the measurement process, the operation of the power motor 4 will generate a certain amount of noise. If this noise is directly transmitted to the inside of the measuring chamber 2, it may interfere with the vibration measurement results of the fan. The presence of the protective cover 5 can effectively block the spread of noise, ensuring a quiet environment inside the measuring chamber 2, thereby ensuring the accuracy of the measurement results.
[0039] Next, the first gear 6 is mounted on the output shaft of the power motor 4. A key component of the entire transmission system, it transmits power from the power motor 4 to the first gear plate 7 through a meshing connection. The bottom end of the first gear plate 7 is mounted inside the top of the partition plate 3. This mounting arrangement limits the position of the first gear plate 7, ensuring that it follows a predetermined trajectory. A connecting plate 9 is attached to the outer surface of the first gear plate 7, which in turn meshes with a turbine 11. The turbine 11 is movably mounted inside the top of the partition plate 3, allowing it to rotate freely. A worm 10 is mounted on the front movable cover of the measuring chamber 2, with a flap 12 mounted on its outer surface. The flap 12 seals the measuring chamber 2 during vibration measurement. This sealed state is crucial to the measurement process, effectively preventing external factors from interfering with the measurement results. If it is necessary to remove the blower being measured, the flip cover 12 will be opened under the drive of the motor. This design allows the operator to easily take out or replace the blower, improving the convenience and efficiency of operation.
[0040] At this point, the operator starts the power motor 4, which begins to operate. The power motor 4 rotates the first gear 6 via its output shaft. The outer surface of the first gear 6 meshes with the outer surface of the first rack 7, allowing the rack 7 to move with the rotation of the first gear 6. The other end of the first rack 7 is fixedly connected to the top of the sealing plate 15. Therefore, the movement of the first rack 7 causes the sealing plate 15 to move leftward. At this point, the shelf 13 is pulled out, providing space for further operations. As the sealing plate 15 moves leftward, the first rack 7 also moves the second rack 8 and the connecting plate 9. The movement of the connecting plate 9 rotates the turbine 11, which in turn rotates the worm 10 meshing with it. The rotation of the worm 10 moves the flap 12, opening it. The interior of the measurement chamber 2 is now exposed, allowing the operator to easily position the fan.
[0041] After the operator places the blower on the shelf 13 and secures it with bolts, they restart the power motor 4. The output shaft of the power motor 4 rotates gear 6, which in turn causes rack 7 to move rightward. This movement of rack 7 drives the sealing plate 15 rightward, pushing the shelf 13 back into the measuring chamber 2. At this point, the front end of the shelf 13 is configured to be somewhat rounded. This design allows the shelf 13 to smoothly push the rectangular column 16 backward during its forward movement. A spring 17 is connected to the back of the rectangular column 16. This spring 17 cushions the rectangular column 16 when subjected to external forces and restores it to its original shape when the force is removed. The rectangular column 16 is flexibly connected to a stop plate 18, allowing it to move freely within the range of the stop plate 18. As the shelf 13 moves leftward, the spring 17 forces the rectangular column 16 back into the groove provided on the shelf 13. At this point, the measuring piece on the top of rectangular column 16 will contact the fan, enabling vibration measurement. Simultaneously, protective plate 20 on measurement chamber 2 will connect to the hollow block on cover plate 15. This connection not only allows for vertical measurement of the fan but also stabilizes the fan, ensuring it remains stable during measurement.
[0042] After the vibration measurement of the fan is completed, the operator needs to remove the entire fan. At this time, the operator will start the power motor 4 again. The output shaft of the power motor 4 will drive the No. 1 gear 6 to rotate, and the rotation of the No. 1 gear 6 will cause the No. 1 gear plate 7 to move. When the No. 1 gear plate 7 moves, it will drive the connecting plate 9 and the worm 10 to move together, so that the turbine 11 drives the worm 10 to rotate. In the process of driving the shelf 13 to the right by the closing plate 15, the flip plate 12 will also rotate to the open state. At this time, the shelf 13 will push the fan out from the inside of the measuring room 2, and the space inside the measuring room 2 will also be exposed to the operator's field of vision. This design allows the operator to easily remove the fan and also prepares for the next measurement operation.
[0043] Working principle: As the basic structure of the entire equipment, it provides stable support for the measuring chamber 2. Measuring chamber 2: The core component, the internal structure and layout meet the high-precision requirements of fan vibration measurement. Closing plate 15: Installed on the right side of the measuring chamber 2, it closes the measuring chamber 2 to avoid external interference, and its bottom end is connected to the movable plate 22. Moving plate 22: It is movably installed inside the hollow plate 21 to limit and support the hollow plate 21, ensuring smooth movement and accurate trajectory. Shelf plate 13: Fixed inside the left side of the closing plate 15, it is used to place the fan. The circular groove 14 on it matches the bottom of the fan, and the fan can be fixed by bolts.
[0044] During the fan installation process, the power motor 4 is started. The power motor 4 rotates the first gear 6 through its output shaft. This gear 6 meshes with the first rack 7, and its rotation drives the first rack 7 to the left. The first rack 7 drives the cover plate 15. The left end of the first rack 7 is fixedly connected to the top of the cover plate 15, causing the cover plate 15 to move leftward. The shelf 13 is extended. As the cover plate 15 moves leftward, the shelf 13 is pulled out, creating space for the fan installation. This movement drives other components. The movement of the first rack 7 simultaneously drives the second rack 8 and the connecting plate 9. The connecting plate 9 rotates the turbine 11, which in turn rotates the worm 10. The worm 10 opens the flap 12, exposing the interior of the measurement chamber 2. The fan is secured and measurement preparation is performed. The operator places the fan in the circular groove 14 of the shelf plate 13 and secures it securely with bolts, ensuring it does not shift or wobble during the measurement process. Start the power motor 4 again: the output shaft of the power motor 4 continues to drive the No. 1 gear 6 to rotate. The No. 1 gear plate 7 moves to the right: the rotation of the No. 1 gear 6 causes the No. 1 gear plate 7 to move to the right, driving the sealing plate 15 to move to the right, pushing the shelf 13 back into the measuring chamber 2. The rectangular column 16 and the spring 17 work together: the smooth design of the front end of the shelf 13 pushes the rectangular column 16 backward when it moves forward, and the spring 17 on the back of the rectangular column 16 acts as a buffer. When the shelf 13 moves into place, the rectangular column 16 enters the groove on the shelf 13 under the elastic recovery action of the spring 17. The measuring piece contacts the fan: the measuring piece at the top of the rectangular column 16 contacts the fan, preparing for vibration measurement. The protective plate 20 is connected to the hollow block: the protective plate 20 is connected to the hollow block on the sealing plate 15 to measure the vertical direction of the fan and fix the fan. During the fan vibration measurement process, the entire measurement chamber 2 remains sealed. Partition 3 isolates the internal structure of the measurement chamber 2 from the external environment, protecting the delicate components and preventing external interference. The noise generated by the power motor 4 is isolated by a protective cover 5, ensuring a quiet environment within the measurement chamber 2 and accurate measurement results. After the fan is removed and the measurement is completed, the operator restarts the power motor 4. Gear 1 (6) rotates, driving rack 1 (7). The output shaft of the power motor 4 rotates gear 1, which in turn moves rack 1. This in turn drives connecting plate 9 and worm 10. The movement of rack 1 (7) drives both connecting plate 9 and worm 10. The turbine 11 rotates worm 10. The movement of the connecting plate 9 rotates the turbine 11, which in turn rotates worm 10. The flap 12 opens. The rotation of the worm 10 rotates the flap 12, opening it. The shelf plate 13 pushes the fan out: the sealing plate 15 drives the shelf plate 13 to move rightward, and the shelf plate 13 pushes the fan out from the inside of the measuring chamber 2, exposing the internal space of the measuring chamber 2, and the operator can easily remove the fan.
[0045] This fan vibration measurement device starts the power motor, causing the No. 1 gear to rotate and drive the No. 1 rack. The output shaft of the power motor then drives the No. 1 gear to rotate, causing the No. 1 rack to move. This in turn drives the connecting plate and worm gear to move. The movement of the No. 1 rack gear drives both the connecting plate and the worm gear to move. The movement of the connecting plate drives the turbine to rotate, and the rotation of the worm gear drives the flap to rotate into an open state. The cover plate then drives the shelf plate to the right. The shelf plate removes the fan from the measurement chamber, and the flap plate rotates into an open state, exposing the interior of the measurement chamber and allowing the operator to easily remove the fan.
[0046] This wind turbine vibration measurement device features a completely enclosed measurement chamber with a sealing plate. Partition panels isolate the power motor from the measurement area, effectively preventing external interference and noise from affecting measurement results and ensuring accurate vibration measurement. The rectangular column and measuring plate design enable vertical measurement and fixation of the wind turbine, further improving measurement stability.
[0047] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. A wind turbine vibration measuring device, comprising a support frame (1) and a measuring chamber (2) mounted on the support frame (1), characterized in that: The right side of the measuring chamber (2) is provided with a sealing plate (15), the left side of the sealing plate (15) is fixedly connected to a shelf plate (13), the top of the sealing plate (15) is connected to a first tooth plate (7), the side of the first tooth plate (7) is connected to a connecting plate (9), the front end of the connecting plate (9) is connected to a second tooth plate (8), the second tooth plate (8) is meshedly connected to a turbine (11), the front end movable cover of the measuring chamber (2) is provided with a worm (10), the outer surface of the worm (10) is sleeved with a flip cover plate (12), the worm (10) is meshedly connected to the turbine (11), and one side of the first tooth plate (7) is connected to a driving mechanism.
2. A wind turbine vibration measurement device according to claim 1, characterized in that: The driving mechanism includes a power motor (4), the output shaft of the power motor (4) is fixedly sleeved with a first gear (6), a partition plate (3) is installed inside the measuring chamber (2), and the first gear plate (7) is movably connected to the top of the partition plate (3).
3. A wind turbine vibration measurement device according to claim 2, characterized in that: A protective cover (5) is installed on the top end of the partition plate (3), and the power motor (4) is inside the protective cover (5).
4. The wind turbine vibration measuring device according to claim 1, characterized in that: The bottom end of the sealing plate (15) is connected to a movable plate (22), the top end of the support frame (1) is installed with a hollow plate (21), and the movable plate (22) is movably connected to the hollow plate (21).
5. The wind turbine vibration measuring device according to claim 1, characterized in that: The shelf plate (13) is provided with a circular groove (14), and the circular groove (14) is provided with a groove.
6. The wind turbine vibration measuring device according to claim 1, characterized in that: A limiting plate (18) is installed in the middle of the measuring chamber (2), a rectangular column (16) is movably sleeved inside the limiting plate (18), and a spring (17) is fixedly connected to the back of the rectangular column (16).
7. A wind turbine vibration measurement device according to claim 6, characterized in that: One end of the spring (17) is connected to the rectangular column (16), and the other end is fixedly connected to the interior of the measuring chamber (2).
8. The wind turbine vibration measuring device according to claim 1, characterized in that: A protective plate (20) is provided on the measuring chamber (2), and the protective plate (20) is connected to a hollow block provided on the sealing plate (15).
9. The wind turbine vibration measuring device according to claim 2, characterized in that: A protective cover (19) is provided at the top end of the partition plate (3), and the protective cover (19) has a rectangular shape.
10. The wind turbine vibration measuring device according to claim 6, characterized in that: The number of the rectangular columns (16) is two, and the two rectangular columns (16) have the same size.