Portable fan blade measuring tool
By designing a portable wind turbine blade measuring tool, which utilizes magnetic adsorption and a distance measuring unit to obtain the distance change during blade rotation, the problem of complex and bulky equipment in traditional measurement methods is solved, achieving the effects of simplified operation, improved installation accuracy, and reduced wind turbine vibration.
Patent Information
- Application Number
- CN202423088075.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-14
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-14
AI Technical Summary
Existing methods for measuring wind turbine blades are complex and require bulky equipment, making them inconvenient for on-site maintenance. They also fail to quickly and accurately obtain measurement data for blades at different locations, potentially leading to vibration issues after wind turbine installation.
Design a portable wind turbine blade measuring tool, including a housing, a power supply unit, a data processing unit, a display unit, a distance measuring unit, and a magnet. The tool is attached to the wind turbine housing by the magnet, and the distance measuring unit obtains the distance change during the blade rotation process to guide the blade installation, simplify the operation process, and improve the measurement accuracy.
It enables portable measurement, simplifies the operation process, improves blade installation accuracy, reduces wind turbine vibration, extends service life, and improves operating efficiency.
Smart Images

Figure CN223678370U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fan detection equipment technical field, concretely relates to a portable fan blade measuring tool. BACKGROUND
[0002] During the maintenance and installation of the fan, ensuring the installation accuracy of the fan blade is crucial for the normal operation of the fan. The traditional fan blade measurement method often requires complex equipment and cumbersome operation steps, and many devices are bulky and inconvenient to use on the maintenance site. In addition, the traditional method may not be able to quickly and accurately obtain the measurement data of the blade at different positions (radial, front and rear axial, etc.), resulting in a large vibration problem after the fan is installed, affecting the performance and service life of the fan. Therefore, there is an urgent need for a portable, easy-to-operate tool that can accurately measure the fan blade. SUMMARY
[0003] The technical problem to be solved by the utility model is to provide a portable fan blade measuring tool to overcome the deficiencies in the prior art.
[0004] The technical solution of the utility model to solve the above technical problem is as follows: a portable fan blade measuring tool, comprising a shell, a power supply unit and a data processing unit arranged in the shell, a display unit arranged on the top wall of the shell, a distance measuring unit arranged on one side of the shell, the distance measuring unit being arranged towards the direction of the fan blade, the display unit, the power supply unit and the distance measuring unit being electrically connected to the data processing unit respectively, a magnet arranged at the bottom of the shell, and the measuring tool being adsorbed on the fan shell by the magnet.
[0005] The utility model has the beneficial effects that: the measuring tool accurately obtains the distance change in the rotation process of the blade through the distance measuring unit, guides the installation of the blade, and improves the installation accuracy of the fan blade; the operation is simple, the measuring tool only needs to be adsorbed on the fan shell, and the measurement can be performed by starting the disc, without the need for complex installation and debugging process, thereby reducing the technical requirements for the operator; the volume is small, the weight is light, and the measuring tool is convenient to carry to the maintenance site, can be used on different fan equipment, improves the universality and use flexibility of the equipment; the radial and front and rear axial data of the blade can be measured by being installed at multiple positions of the blade, which provides a basis for comprehensively evaluating the installation state of the blade, improves the installation accuracy of the blade, helps to reduce the vibration after the fan is started, prolongs the service life of the fan, and improves the operation efficiency of the fan. BRIEF DESCRIPTION OF DRAWINGS
[0006] Figure 1 The structure of the utility model is shown in the figure Figure 1 ;
[0007] Figure 2 The circuit module block diagram of the utility model is shown in the figure
[0008] Figure 3 Structure diagram of the utility model Figure 2 .
[0009] In the drawings, the components represented by each reference numeral are listed as follows:
[0010] 1, shell; 2, power supply unit; 3, data processing unit; 4, display unit; 5, distance measuring unit; 6, magnet; 7, data storage unit; 8, charging interface. DETAILED DESCRIPTION
[0011] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.
[0012] As shown in Figures 1-3 Example 1, a portable fan blade measuring tool, comprising a shell 1, and a power supply unit 2 and a data processing unit 3 arranged in the shell 1, the top wall of the shell 1 is provided with a display unit 4, one side of the shell 1 is provided with a distance measuring unit 5, the distance measuring unit 5 is arranged towards the direction of the fan blade, the display unit 4, the power supply unit 2 and the distance measuring unit 5 are all respectively electrically connected with the data processing unit 3, the bottom of the shell 1 is provided with a magnet 6, and the measuring tool is adsorbed on the fan shell through the magnet 6.
[0013] The measuring tool accurately obtains the distance change in the blade rotation process through the distance measuring unit 5, guides the blade installation, and improves the installation precision of the fan blade; it is simple to operate, only needs to be adsorbed on the fan shell, and can be measured by starting the turning, without complex installation and debugging process, reducing the technical requirements for the operator; small in size, light in weight, convenient to carry to the maintenance site, can be used on different fan equipment, improving the versatility and use flexibility of the equipment; by being installed at multiple positions of the blade, the radial and front and rear axial data of the blade can be measured, providing a basis for comprehensive evaluation of the blade installation state, improving the installation precision of the blade, helping to reduce the vibration after the fan starts, prolonging the service life of the fan, and improving the operation efficiency of the fan.
[0014] Specific operation steps: the on-site operator first checks whether each part of the measuring tool is working normally, ensures that the battery power is sufficient, carries the measuring tool to the fan maintenance site, selects the appropriate fan shell position according to the fan model and measurement requirements, firmly adsorbs the measuring tool on the shell through the magnet 6, turns on the power supply, starts the turning device to make the fan blade slowly rotate, the distance change in the blade rotation process is accurately obtained by the distance measuring unit 5, the measurement value is transmitted to the display unit 4 through the data processing unit 3, the operator observes the measurement data on the display unit 4, and records the distance change value of the blade at different positions; according to the measurement data, it is judged whether the blade installation is qualified; if not, the blade position is adjusted according to the measurement result, and then the measurement is carried out again until the blade installation precision meets the requirements; after completing the measurement of one position, the measuring tool can be moved to other positions of the fan shell, and the above operation is repeated to complete the data measurement in multiple directions such as radial and front and rear axial directions of the blade, so as to comprehensively evaluate the installation state of the blade;
[0015] In the specific implementation, the data processing unit 3 adopts a microprocessor, which can be an MCU microprocessor chip, the power supply unit 2 adopts a lithium battery, and a charging interface 8 is arranged on the shell 1 to facilitate charging of the lithium battery; in addition, the display unit 4 adopts a liquid crystal display screen, which can directly display the measurement result, facilitating intuitive understanding by the operator, and in addition, the shell 1 is also provided with a control button electrically connected with the data processing unit 3, and the measurement data of the measuring tool is viewed through the cooperation of the control button and the display unit 4.
[0016] Embodiment 2, this embodiment is a further improvement based on embodiment 1, which is as follows:
[0017] The data storage unit 7 is also arranged in the shell 1 and is electrically connected with the data processing unit 3. The data storage unit 7 can store the measurement data for subsequent analysis and tracing.
[0018] Embodiment 3, this embodiment is a further improvement based on embodiment 1, which is as follows:
[0019] The distance measuring unit 5 is connected in the shell 1 through a universal damper with a lock, the fixed end of the universal damper is fixedly connected with the shell 1, and the movable end of the universal damper is fixedly connected with the distance measuring unit 5. The distance measuring unit 5 has an adjustable function, so as to adjust the measurement angle of the distance measuring unit 5 according to the actual situation on site.
[0020] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.
Claims
1. A portable fan blade measurement tool, characterized by, The utility model relates to a kind of wind turbine distance measuring device, including shell (1), and the power supply unit (2) and data processing unit (3) are arranged in the shell (1), the shell (1) top wall is provided with display unit (4), one side of the shell (1) is provided with ranging unit (5), the ranging unit (5) is set to the direction of fan blade, the display unit (4), the power supply unit (2) and the ranging unit (5) are electrically connected with the data processing unit (3) respectively, the shell (1) bottom is provided with magnet (6), measuring tool is adsorbed on fan shell by the magnet (6).
2. A portable fan blade measurement tool according to claim 1, wherein, The shell (1) is also provided with a data storage unit (7), which is electrically connected with the data processing unit (3).
3. A portable fan blade measurement tool according to claim 1, wherein, The ranging unit (5) includes a laser ranging sensor and / or an ultrasonic ranging sensor.
4. A portable fan blade measurement tool according to claim 1, wherein, The ranging unit (5) is connected to the shell (1) through a gimbal damper with a lock, the fixed end of the gimbal damper is fixedly connected with the shell (1), and the movable end of the gimbal damper is fixedly connected with the ranging unit (5).