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A fan on-line vibration monitoring sensor device
ActiveCN224380161UAdjustable spacingHigh precisionMachine part testingSubsonic/sonic/ultrasonic wave measurement
This utility model belongs to the field of wind turbine vibration monitoring technology, and in particular, it is a wind turbine online vibration monitoring sensor device. It includes an online wind turbine vibration monitoring system and an installation end face. The online wind turbine vibration monitoring system includes a processor, a sensor group, a signal conditioning module, a data acquisition module, and a data analysis and processing module, which are sequentially connected. This utility model has a reasonable structural design, allowing simultaneous rotation of four shafts. This enables the limiting blocks to rotate synchronously to align with the limiting holes, facilitating quick and efficient installation and disassembly of the connecting plate and sensors, improving installation efficiency. By screwing screws into two threaded grooves at different front and rear positions, the front and rear positions of the sensors can be adjusted to regulate the distance between the sensors and the wind turbine components being monitored, thereby improving monitoring accuracy.
Owner:CONSTR INVESTMENT YANSHAN GUYUAN WIND CO LTD
Portable rock soil sampler
ActiveCN224189574UQuick and effective removalQuick and efficient installationWithdrawing sample devicesAgricultural engineeringStructural engineering
Owner:YANTAI UNIV
Lap joint support for photovoltaic cleaning robot
ActiveCN224218351UImprove power generation efficiencyImprove cleanlinessPhotovoltaicsPhotovoltaic energy generationLap jointMechanical engineering
The utility model discloses a lap joint support for a photovoltaic cleaning robot, and relates to the technical field of lap joint supports. The device comprises a roof, the top of the roof is symmetrically and fixedly connected with bases, the tops of the two bases are fixedly connected with first rotating seats, the tops of the first rotating seats are rotatably connected with stand columns, the two stand columns are arranged in a high-low mode, the tops of the stand columns are rotatably connected with oblique beams, and the tops of the stand columns are provided with adjusting mechanisms; the angle of the oblique beam can be accurately adjusted by operating the first telescopic rod, and it is ensured that the photovoltaic cleaning robot is always at a proper working angle.
Owner:SUNINERGY TECH CO LTD
Multi-layer flexible sealing structure of underground artificial gas storage and implementation method
PendingCN121781972AGuaranteed stabilityGuaranteed tightnessMining devicesUnderground chambersThermodynamicsMechanical engineering
The invention provides a multi-layer flexible sealing structure of an underground artificial gas storage and an implementation method. The multi-layer sealing structure comprises a rock surrounding layer, a concrete lining layer, a steel plate layer and a flexible sealing layer which are sequentially arranged from outside to inside. Through step-by-step cooperative protection of surrounding rock pressure bearing, concrete lining pressure transmission, steel plate lining crack crossing and flexible sealing layer sealing, the sealing performance of the gas storage under the operation conditions of high air pressure, large temperature difference, frequent inflation and deflation and the like is met, the construction efficiency and economical efficiency are guaranteed, sealing and reliable operation of the gas storage are achieved, and the sealing performance of the gas storage is improved. Installation and construction processes are efficient and fast.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES CO LTD