A wind turbine blade sensor shock mount

Abstract

This utility model discloses a vibration damping bracket for a wind turbine blade sensor in the field of wind power monitoring. It includes a mounting plate, a spring-damped vibration isolation mechanism on the outer side of the mounting plate, and a gravity pendulum stabilizing mechanism above the spring-damped vibration isolation mechanism. The spring-damped vibration isolation mechanism provides elastic support to the sensor body and reduces the upward transmission of vibration during wind turbine blade operation. The gravity pendulum stabilizing mechanism includes a sensor body, a rotating shaft, a support bearing, a suspension rod, and a pendulum body. This wind turbine blade sensor vibration damping bracket, with its spring-damped vibration isolation mechanism providing stable support to the sensor mounting foundation and reducing vibration transmission, and the gravity pendulum stabilizing mechanism maintaining the relative horizontal orientation of the sensor body, addresses vibration interference and attitude changes respectively, thereby improving the installation stability and detection reliability of the wind turbine blade sensor.

Description

Technical Field

[0001] This utility model relates to the field of wind power monitoring, specifically a vibration damping bracket for a wind turbine blade sensor. Background Technology

[0002] Wind turbine blade sensors are detection elements installed on wind turbine blades to collect information on the vibration, strain, temperature, load, and other status data generated during blade operation. By sensing changes in blade stress and operating environment, they determine the blade's operating condition, providing data for wind turbine operation monitoring, fault analysis, and maintenance management. They help staff understand the blade's status in a timely manner, detect potential anomalies, reduce operational risks caused by blade damage or performance changes, and improve the safety and reliability of wind turbine generator sets.

[0003] Existing wind turbine blade sensors are typically fixedly installed inside the blade. During wind turbine blade operation, they are susceptible to continuous vibration, impact loads, and blade attitude changes, causing vibrations to be continuously transmitted to the sensor installation location, resulting in decreased sensor installation stability. Furthermore, as the blade rotates, the sensor installation attitude also changes, easily causing the detection reference of tilt sensors or attitude monitoring sensors to shift, affecting the stability and reliability of the detection results. In addition, the installation space inside wind turbine blades is relatively narrow and the installation surface is irregular, limiting the adaptability of existing installation structures to different installation environments and making stable installation difficult. Therefore, this invention designs a vibration damping bracket for wind turbine blade sensors to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a vibration damping bracket for wind turbine blade sensors to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A vibration damping bracket for a wind turbine blade sensor includes a mounting plate. A spring-damped vibration isolation mechanism is provided on the outer side of the mounting plate, and a gravity pendulum stabilizing mechanism is provided above the spring-damped vibration isolation mechanism. The spring-damped vibration isolation mechanism is used to elastically support the sensor body and reduce the upward transmission of vibration during the operation of the wind turbine blade. The gravity pendulum stabilizing mechanism includes a sensor body, a rotating shaft, a support bearing, a hanging rod, and a pendulum body. The sensor body is rotatably mounted on the spring-damped vibration isolation mechanism via the rotating shaft and the support bearing. The hanging rod is located at the lower end of the sensor body, and the pendulum body is installed at the lower end of the hanging rod to maintain the relative horizontal attitude of the sensor body using gravity.

[0006] Optionally, the spring damping vibration isolation mechanism includes a mounting column, a receiving tube, a telescopic rod, a mounting pad, a spring body, a support pad ring, and a bearing platform. Mounting columns are fixedly installed at both the front and rear ends of the mounting plate. A receiving tube is fixedly installed at the upper end of the mounting column. A telescopic rod is inserted into the inside of the receiving tube. A mounting pad is fixedly installed at the upper end of the telescopic rod. A support pad ring is provided on the outside of the receiving tube. A spring body is installed between the mounting pad and the support pad ring. A bearing platform is fixedly installed at the upper end of the mounting pad.

[0007] Optionally, a first support shaft is installed on the left end of the mounting plate, a first connecting rod is installed on the outer side of the first support shaft, and a first mounting pad is fixedly installed on the end of the first connecting rod away from the first support shaft. A second support shaft is installed on the right end of the mounting plate, a second connecting rod is installed on the outer side of the second support shaft, and a second mounting pad is fixedly installed on the end of the second connecting rod away from the second support shaft.

[0008] Optionally, a support bearing is fixedly installed at the upper end of the bearing platform, a rotating shaft is installed on the support bearing, and a sensor body is fixedly installed in the middle of the rotating shaft.

[0009] Optionally, a suspension rod is fixedly installed at the lower end of the sensor body, and a pendulum body is installed at the end of the suspension rod away from the sensor body.

[0010] Optionally, the first connecting rod can rotate around the first support shaft, and the second connecting rod can rotate around the second support shaft to adjust the positions of the first mounting plate and the second mounting plate to adapt to different installation positions inside the wind turbine blade.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model includes a spring-damped vibration isolation mechanism. Through the arrangement of the mounting column, receiving tube, telescopic rod, mounting pad, spring body, support ring, and bearing platform, the bearing platform receives stable elastic support. During wind turbine blade operation, this mechanism buffers the vibrations generated by the blade, reducing the upward transmission of vibrations to the sensor mounting position. Simultaneously, the cooperation of the receiving tube and telescopic rod guides the movement of the bearing platform, ensuring it remains stable under vibration and preventing significant displacement. Furthermore, the first support shaft, first connecting rod, first mounting pad, second support shaft, second connecting rod, and second mounting pad can be rotated and adjusted according to different mounting positions within the wind turbine blade. This allows the mounting structure to conform to the irregular mounting surface inside the blade, improving the overall stability and adaptability of the installation. It also provides a stable mounting foundation for the gravity pendulum stabilization mechanism, ensuring the sensor maintains a good mounting condition and reducing the impact of changes in the mounting foundation on sensor operation.

[0012] 2. In this utility model, a gravity pendulum stabilization mechanism is provided. By setting up a support bearing, a rotating shaft, a sensor body, a hanging rod, and a pendulum body, the sensor body can rotate relative to the supporting platform when the attitude of the wind turbine blade changes. The gravity of the pendulum body is used to keep the sensor body in a relatively horizontal attitude, providing a stable attitude reference for the tilt sensor or attitude monitoring sensor and reducing the impact of blade attitude changes on the sensor detection stability. Attached Figure Description

[0013] Figure 1 This is a three-dimensional front view structural diagram of the present invention; Figure 2 This is a schematic diagram of the structure of this utility model from a frontal view. Figure 3 This is a three-dimensional top view of the structure of this utility model; Figure 4 This is a top view of the structure of this utility model; Figure 5 This is a three-dimensional left-side view structural schematic diagram of the present invention; Figure 6 This is a schematic diagram of the three-dimensional structure of the present invention cut along the vertical direction. Figure 1 ; Figure 7 This is a three-dimensional structural diagram of the present invention cut in the transverse direction; Figure 8 This is a schematic diagram of the three-dimensional structure of the present invention cut along the vertical direction. Figure 2 ; Figure 9 This is a schematic diagram of the three-dimensional structure of the present invention cut along the vertical direction. Figure 3 .

[0014] In the diagram: 1. Mounting plate; 2. Spring damping vibration isolation mechanism; 201. Mounting column; 202. Storage tube; 203. Telescopic rod; 204. Mounting pad; 205. Spring body; 206. Supporting ring; 207. Bearing platform; 208. First support shaft; 209. First connecting rod; 210. First mounting pad; 211. Second support shaft; 212. Second connecting rod; 213. Second mounting pad; 3. Gravity pendulum stabilization mechanism; 301. Sensor body; 302. Rotating shaft; 303. Support bearing; 304. Hanging rod; 305. Pendulum body. Detailed Implementation

[0015] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0016] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0017] 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.

[0018] Please see Figures 1-9 In this embodiment of the utility model, a vibration damping bracket for a wind turbine blade sensor includes a mounting plate 1. A spring damping vibration isolation mechanism 2 is provided on the outer side of the mounting plate 1, and a gravity pendulum stabilizing mechanism 3 is provided above the spring damping vibration isolation mechanism 2. The spring damping vibration isolation mechanism 2 includes a mounting column 201, a receiving tube 202, a telescopic rod 203, a mounting pad 204, a spring body 205, a support pad ring 206, a bearing platform 207, a first support shaft 208, a first connecting rod 209, a first mounting pad 210, a second support shaft 211, a second connecting rod 212, and a second mounting pad 213. The gravity pendulum stabilizing mechanism 3 includes a sensor body 301, a rotating shaft 302, a support bearing 303, a hanging rod 304, and a pendulum body 305.

[0019] In this embodiment, the mounting plate 1 is fixed as the overall mounting base to the preset mounting position inside the wind turbine blade. The mounting column 201 is fixedly installed at both ends of the mounting plate 1. The storage tube 202 is fixedly installed at the upper end of the mounting column 201. The telescopic rod 203 is inserted into the inside of the storage tube 202. The mounting pad 204 is fixedly installed at the upper end of the telescopic rod 203. The support ring 206 is set on the outside of the storage tube 202. The spring body 205 is installed between the mounting pad 204 and the support ring 206. The bearing platform 207 is fixedly installed at the upper end of the mounting pad 204, thereby forming an elastic support structure for the bearing platform 207. A first support shaft 208 is installed on the left end of the mounting plate 1, a first connecting rod 209 is installed on the outside of the first support shaft 208, and a first mounting pad 210 is fixedly installed on the end of the first connecting rod 209 away from the first support shaft 208. A second support shaft 211 is installed on the right end of the mounting plate 1, a second connecting rod 212 is installed on the outside of the second support shaft 211, and a second mounting pad 213 is fixedly installed on the end of the second connecting rod 212 away from the second support shaft 211. By rotating the first connecting rod 209 and the second connecting rod 212 around the first support shaft 208 and the second support shaft 211 respectively, the first mounting pad 210 and the second mounting pad 213 can be adjusted in position according to the installation conditions of different positions inside the wind turbine blade, so as to fit the irregular installation surface inside the blade and improve the overall installation stability.

[0020] Furthermore, a support bearing 303 is fixedly installed on the upper end of the support platform 207, a rotating shaft 302 is installed on the support bearing 303, a sensor body 301 is fixedly installed in the middle of the rotating shaft 302, a hanging rod 304 is fixedly installed at the lower end of the sensor body 301, and a pendulum body 305 is installed at the end of the hanging rod 304 away from the sensor body 301. The support bearing 303 provides rotational support for the rotating shaft 302, allowing the sensor body 301 to rotate relative to the support platform 207. The hanging rod 304 and the pendulum body 305 form a gravity pendulum structure, providing gravity recovery for the sensor body 301.

[0021] In this embodiment, the mounting plate 1 is first fixedly installed inside the wind turbine blade. Then, according to the structural characteristics of the installation position inside the wind turbine blade, the first connecting rod 209 and the second connecting rod 212 are rotated respectively, so that the first mounting pad 210 and the second mounting pad 213 fit against the mounting surfaces at different positions inside the blade, thereby completing the stable installation of the mounting plate 1. After installation, the bearing platform 207 obtains stable support through the mounting pad 204, the telescopic rod 203, the receiving tube 202, the support pad ring 206, and the spring body 205. When the wind turbine blade is affected by wind load, running vibration, or attitude change during operation, the bearing platform 207 generates buffer displacement under the elastic action of the spring body 205. The telescopic rod 203 moves in and out along the inside of the receiving tube 202. The receiving tube 202 guides the movement of the telescopic rod 203, so that the bearing platform 207 maintains a stable support state, thereby reducing the upward transmission of vibration generated during the operation of the wind turbine blade to the sensor installation position and reducing the impact of vibration on the sensor operation.

[0022] With the support platform 207 providing stable support, the support bearing 303 provides rotational support for the rotating shaft 302. When the wind turbine blades change attitude with the operation of the wind turbine, the rotating shaft 302 can rotate relative to the support bearing 303. The sensor body 301, fixed in the middle of the rotating shaft 302, adjusts its attitude accordingly. At this time, the pendulum body 305 at the lower end of the boom 304 remains in a downward state under the action of gravity, and the boom 304 provides a gravity recovery effect on the sensor body 301, keeping the sensor body 301 in a relatively horizontal attitude. This provides a stable attitude reference for the tilt sensor or attitude monitoring sensor, reduces the impact of wind turbine blade attitude changes on the sensor installation attitude, enables the sensor to maintain a stable detection direction, and improves the stability and reliability of wind turbine blade operation status monitoring.

[0023] In this embodiment, the spring damping vibration isolation mechanism 2 mainly utilizes the mounting column 201, the receiving tube 202, the telescopic rod 203, the mounting pad 204, the spring body 205, the support pad ring 206, and the bearing platform 207 to form an elastic support structure, which buffers the vibration generated during the operation of the wind turbine blade. It also combines the first support shaft 208, the first connecting rod 209, the first mounting pad 210, the second support shaft 211, the second connecting rod 212, and the second mounting pad 213 to adapt to different installation positions inside the wind turbine blade, thereby improving the overall installation stability. The gravity pendulum stabilization mechanism 3 utilizes the support bearing 303, the rotating shaft 302, the sensor body 301, the hanging rod 304, and the pendulum body 305 to form a gravity pendulum structure, so that the sensor body 301 maintains a relatively horizontal attitude during the attitude change of the wind turbine blade, providing a stable attitude reference for the tilt sensor or attitude monitoring sensor, thereby meeting the requirements for stable installation and attitude maintenance of the sensor during the monitoring of the wind turbine blade's operating status.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wind turbine blade sensor shock mount comprising a mounting plate (1), characterised in that: A spring damping vibration isolation mechanism (2) is provided on the outside of the mounting plate (1). A gravity pendulum stabilization mechanism (3) is provided above the spring damping vibration isolation mechanism (2). The spring damping vibration isolation mechanism (2) is used to provide elastic support for the sensor body (301) and reduce the upward transmission of vibration during the operation of the wind turbine blade. The gravity pendulum stabilization mechanism (3) includes a sensor body (301), a rotating shaft (302), a support bearing (303), a hanging rod (304), and a pendulum body (305). The sensor body (301) is rotatably mounted on the spring damping vibration isolation mechanism (2) through the rotating shaft (302) and the support bearing (303). The hanging rod (304) is located at the lower end of the sensor body (301), and the pendulum body (305) is installed at the lower end of the hanging rod (304) to maintain the relative horizontal attitude of the sensor body (301) by using gravity.

2. A wind turbine blade sensor shock mount according to claim 1, wherein: The spring damping vibration isolation mechanism (2) includes a mounting column (201), a receiving tube (202), a telescopic rod (203), a mounting pad (204), a spring body (205), a support pad ring (206), and a bearing platform (207). The mounting plate (1) is fixedly mounted with mounting columns (201) at both ends. The receiving tube (202) is fixedly mounted on the upper end of the mounting column (201). The telescopic rod (203) is inserted into the receiving tube (202). The mounting pad (204) is fixedly mounted on the upper end of the telescopic rod (203). The support pad ring (206) is provided on the outer side of the receiving tube (202). The spring body (205) is installed between the mounting pad (204) and the support pad ring (206). The bearing platform (207) is fixedly mounted on the upper end of the mounting pad (204).

3. A wind turbine blade sensor shock mount according to claim 2, wherein: A first support shaft (208) is installed on the left end of the mounting plate (1). A first connecting rod (209) is installed on the outside of the first support shaft (208). A first mounting pad (210) is fixedly installed on the end of the first connecting rod (209) away from the first support shaft (208). A second support shaft (211) is installed on the right end of the mounting plate (1). A second connecting rod (212) is installed on the outside of the second support shaft (211). A second mounting pad (213) is fixedly installed on the end of the second connecting rod (212) away from the second support shaft (211).

4. The vibration damping bracket for a wind turbine blade sensor according to claim 2, characterized in that: A support bearing (303) is fixedly installed at the upper end of the bearing platform (207), a rotating shaft (302) is installed on the support bearing (303), and a sensor body (301) is fixedly installed in the middle of the rotating shaft (302).

5. A vibration damping bracket for a wind turbine blade sensor according to claim 4, characterized in that: A rod (304) is fixedly installed at the lower end of the sensor body (301), and a pendulum body (305) is installed at the end of the rod (304) away from the sensor body (301).

6. A wind turbine blade sensor shock mount according to claim 3, wherein: The first connecting rod (209) can rotate around the first support shaft (208), and the second connecting rod (212) can rotate around the second support shaft (211) to adjust the position of the first mounting pad (210) and the second mounting pad (213) to adapt to different installation positions inside the wind turbine blade.

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