Telescopic cantilever for unmanned aerial vehicle thickness measurement

By designing a telescopic cantilever structure and pulley system, the problem of sensors being easily bumped during drone thickness measurement was solved, achieving stable extension and retraction of sensors and orderly cable winding and unwinding, thus improving the efficiency and safety of drone thickness measurement.

CN224690452UActive Publication Date: 2026-08-28南京森思科技有限责任公司
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Patent Information

Application Number
CN202522142075.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-10
Publication Date
2026-08-28
Estimated Expiration
2035-10-10

AI Technical Summary

Technical Problem

During thickness measurement by drone, the sensor is rigidly connected to the drone body due to the cantilever. When the drone body is tilted, the sensor is prone to corner collisions when it comes into contact with the area being measured, which increases the difficulty of operation and the probability of sensor damage.

Method used

The system employs a telescopic cantilever structure, using a servo electric cylinder to drive the extension arm to achieve stable extension and retraction of the sensor. Combined with a pulley system and tension spring system, it ensures the orderly winding and unwinding of the sensor cable and the translation of the sensor, reducing the risk of collisions. Furthermore, the use of aluminum alloy materials enhances the structure's wear resistance and environmental adaptability.

Benefits of technology

It reduces the risk of sensor impact damage, improves the stability and flexibility of thickness measurement operations, reduces cable entanglement and wear, simplifies the maintenance process, and enhances the efficiency and safety of UAV thickness measurement.

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Abstract

The utility model discloses a telescopic cantilever for unmanned plane thickness measurement relates to unmanned plane thickness measurement technical field, the utility model discloses a cantilever main part is installed with servo electric jar one side of cantilever main part, and servo electric jar output end is connected with extension arm, and the inside connection of extension arm has ultrasonic thickness gauge, and ultrasonic thickness gauge outer surface installs sensor cable, and the below connection of extension arm inside has reversing pulley. The utility model discloses a cantilever main part, servo electric jar and the setting of extension arm, servo electric jar can drive extension arm and project or retract along cantilever main part, when extension arm retracts, can significantly reduce the horizontal space of cantilever overall occupation, reduce the risk of cantilever and external object to knock in the process of flight, improve the convenience of unmanned plane flight, the fixed cantilever structure of traditional unmanned plane thickness measurement is optimized as telescopic structure, need not unmanned plane tilt level flight, and the sensor can self -translation contact thickness measurement area, effectively reduce knock damage.
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