3 results about "Conical pendulum" patented technology

The utility model discloses a conical pendulum demonstrator which comprises a base, a vertical rod and a swinging ball, a first motor is arranged in the base, the driving end of the first motor is fixedly connected with the vertical rod, the swinging ball connected through a flexible connecting piece is fixed at the upper end of the vertical rod, two clamping plates are oppositely arranged on the two sides of the vertical rod, and the swinging ball and the flexible connecting piece are located in a gap between the two clamping plates. The swing ball can rotate along with the vertical rod along the fixed point to be centrifugally lifted, when the vertical rod of the conical pendulum demonstrator is driven by the first motor to rotate, the flexible connecting piece connected to the vertical rod drives the swing ball to rotate along with the vertical rod to be centrifugally lifted, and the conical pendulum demonstrator is compact in design structure, small in size and convenient to move and operate; the arrangement of the clamping plates enables the phase angle of the swing ball to be fast synchronous with the rotating speed of the vertical rod, enables the conical pendulum to move fast and to be in a stable state, prevents the phase angle of the swing ball from lagging behind the rotating speed of the rotating vertical rod for a long time after the start of rotation, and improves the use efficiency.

The utility model discloses a reaction kettle based on shaking mixing, which belongs to the technical field of reaction kettles, and comprises a mounting frame, a guide ring, a reaction tank, a stirring shaft and a power component, the mounting frame comprises a bottom frame and two rectangular frames vertically mounted on the bottom frame; the number of the guide rings is two, the two guide rings are rotationally arranged in the two rectangular frames respectively, and the two guide rings are in a coaxial state; the reaction tank is obliquely arranged between the two guide rings, the reaction tank is connected with the guide rings through movable connecting pieces, and when the guide rings rotate, the reaction tank does conical pendulum motion by taking a geometric center as a circle center. According to the reaction kettle based on shaking mixing, the reaction tank is driven by the guide ring to do conical pendulum motion, materials in the reaction tank are shaken, the mixing limitation of a traditional static or single stirring mode is effectively broken through, and the materials are more sufficiently mixed and dispersed in a three-dimensional space.

The utility model discloses a step machine, it includes base, and two groups of footboard subassembly of assembly on the base, still be equipped with two handrails on the base, and each handrail all is connected with the base through a connecting piece, the connecting piece supports the handrail and keeps in the vertical initial position, when the external force is applied to the handrail, the connecting piece allows the handrail to deviate from the vertical position and deflects in many directions. The handrail of the utility model adds supports the plane simple pendulum and the conical pendulum movement, can simulate a variety of motion trajectories, increase the training diversity, realize the upper limb training while carrying out the lower limb training, improve the training effect.