4results about How to "Meet teaching needs" patented technology

The embodiment of the utility model discloses a hydraulic support experiment device, and relates to the technical field of hydraulic support simulation. The hydraulic support experiment device comprises a base, a shield beam, a top beam, a connecting rod assembly, a first driving part and a second driving part, the base is rotationally connected with one end of the connecting rod assembly, the other end of the connecting rod assembly is rotationally connected with the shield beam, the shield beam is further rotationally connected with the top beam, and the first driving part is rotationally connected to the base and further rotationally connected to the top beam. The second driving part is rotatably connected to the shield beam and is further rotatably connected to the top beam and is used for driving the top beam to move, and the length of the connecting rod assembly can be adjusted, so that the connecting rod assembly can be adjusted, experiment parameters are changed, the comprehensiveness is improved, and the teaching requirements of mechanics and mechanical principles are met.

The utility model discloses an airplane main wheel brake fan simulation teaching aid, which comprises a fan motor simulation piece, a spline shaft, a fan impeller, a protection cover mounting bracket, a fan protection cover and a dust cover, a motor rotating shaft is rotationally arranged at the front end of the fan motor simulation piece, and an axis hole is formed in the motor rotating shaft; the spline shaft is rotatably mounted in the fan motor simulation piece and penetrates out of an axis hole of the motor rotating shaft, and a spline part is arranged at the front end of the spline shaft; the fan impeller is coaxially fixed at the front end of the motor rotating shaft; the fan protection cover covers the fan impeller and is fixed on the protection cover mounting bracket, a spline sleeve is arranged on the rear side of the center of the fan protection cover, and a spline part at the front end of the spline shaft is inserted and matched in the spline sleeve; and the dustproof cover is arranged outside the protective cover mounting bracket and is fixed on the protective cover mounting bracket. According to the utility model, the problems of incomplete dismounting and mounting practice process caused by lack of a brake fan on a main wheel aircraft teaching aid and huge cost caused by using an available aviation material as a teaching aid are solved.

This utility model relates to a simple geometry learning aid device, comprising two wooden boards; the two wooden boards are hinged together, and a digital angle ruler is installed on the front side of one of the wooden boards. At least two horizontal tubes are rotatably connected to the upper surfaces of both wooden boards. A scale is provided on the lower surface of each wooden board, and a groove is formed inside the scale along its length. Two fixed components are slidably connected inside the groove. A common pull rope is connected to the outer sides of the two fixed components, and a common zipper is also provided on the outer sides of the two fixed components. This simple geometry learning aid device can simultaneously demonstrate the teaching of plane analytic geometry and solid geometry, transforming abstract geometric knowledge into intuitive graphics and operable processes. It helps students better understand the definitions and characteristics of conic sections such as circles, ellipses, and hyperbolas, as well as the relationships between lines, lines and planes, and planes in solid geometry, reducing learning difficulty and improving learning efficiency.

The application discloses a sports teaching evaluation system based on artificial intelligence, and relates to the technical fields of sports teaching and artificial intelligence.The system comprises a data acquisition module, a posture estimation module, a motion template library, a template configuration interface, a motion matching and evaluation module, an error positioning and feedback generation module and an output module.The data acquisition module can acquire video streams in real time.The posture estimation module can extract a skeletal key point sequence.The motion template library can store four parts of structured data.The template configuration interface provides a graphical configuration interface for teaching personnel to add or modify motion standard templates.The motion matching and evaluation module can align the skeletal key point sequence with a template in a time axis and calculate a deviation value.The error positioning and feedback generation module can identify an error motion stage and a joint point, generate visual feedback containing a skeletal annotation image and a text correction prompt, and output feedback information.The application can extend multiple sports items without retraining a model, and the feedback is interpretable and convenient for teaching adjustment.