9 results about "Simulated weightlessness" patented technology

The application belongs to the technical field of additive manufacturing equipment, and particularly discloses a double-spring-layer-plate buffering type simulated weightlessness 3D printing device and method, which comprises a slide rail base, double slide rails, a single slide rail, a base plate, a laser powder feeding system, a motor and a double-spring-layer plate, wherein the double slide rails and the single slide rail are vertically fixed on the slide rail base; the base plate is installed on the two slide rails of the double slide rails through sliding blocks on the two sides of the base plate, and a forming base plate is fixed on the base plate; the laser powder feeding system is installed on the single slide rail through a sliding block; the motor is used to drive the sliding block to move; the double-spring-layer plate is installed on the slide rail base, and the double slide rails penetrate through the double-spring-layer plate; and the double-spring-layer plate comprises an upper spring layer, a clamping plate and a lower spring layer which are sequentially and fixedly connected from top to bottom. The application realizes weightlessness 3D printing through free fall of a forming platform and laser, and the double-layer spring plate is combined to buffer and rebound, and then the motor is used to return to the initial position, so that the weightlessness 3D printing process can be continuously and stably simulated.

The application provides a device for measuring the moment and tension of a cable on a double super-satellite, comprising a gravity balance balloon, a displacement device and a force sensor; the displacement device comprises at least two moving platforms, two ends of the measured cable are connected to the two different moving platforms respectively, the gravity balance balloon is used to unload the gravity of the measured cable to simulate a weightless environment; the force sensor is installed on any moving platform at least one, and the moment and / or tension data generated by the measured cable are measured. The device has the characteristics of flexible use and convenient disassembly in the form of a hole mounting plate, and can simulate the bending conditions of various cables; the force condition changes of the cable when the structure and mechanism have a slight displacement and deformation can be simulated by operating the moving platform; the force sensor has high measurement precision, and data recording is convenient, and can satisfy the moment and tension measurement of the cable structure connecting the double super-satellite cabins.

The application provides a simulation weightlessness environment thermal hydraulic test device and a simulation weightlessness environment thermal hydraulic test method, and relates to the technical field of heat exchange testing. The simulation weightlessness environment thermal hydraulic test device is designed to solve the problem that there is no effective simulation weightlessness environment hydraulic test method. The simulation weightlessness environment thermal hydraulic test device comprises a unmanned aerial vehicle, a falling cabin and a test cabin. The test cabin comprises a weightlessness environment thermal hydraulic test platform. The unmanned aerial vehicle is detachably connected with the weightlessness environment thermal hydraulic test platform. A parachute is arranged in the falling cabin. The simulation weightlessness environment thermal hydraulic test device can improve the economy of the simulation weightlessness environment thermal hydraulic test.

The application discloses a satellite attitude control demonstration system in a simulated weightless environment, which comprises a cubic robot and a three-axis rotating table; the three-axis rotating table comprises a fixed part, and outer, middle and inner rings are sequentially arranged in the fixed part; the inner ring is a cubic frame, and the cubic robot is embedded in the inner ring; the inner ring is rotationally connected with the middle ring, the middle ring is arranged in the inner part of the outer ring, and axial interference is generated between the inner ring and the middle ring and between the middle ring and the outer ring; the inner ring rotates around an X axis to realize rolling motion, the middle ring rotates around a Y axis to realize pitching motion, and the outer ring rotates around a Z axis to realize yawing motion, so that the cubic robot is freely rotated around the X, Y and Z axes, and three-dimensional attitude motion of the satellite in the weightless environment is simulated; during the free rotation of the cubic robot around the X, Y and Z axes, friction torque is generated due to the axial interference, the friction torque offsets eccentric torque caused by the gravity center deviation, and interference suppression is realized.

The invention provides a weightlessness simulation seat, and relates to the technical field of driving flight simulation.The weightlessness simulation seat comprises an equipment base, and a mechanical transmission base is fixedly mounted on the outer surface of the equipment base. According to the weightlessness simulation seat, an upper body lifting system and a lower body lifting system are driven through double motors respectively, and accurate tension control over the upper body and the lower body of a human body is achieved; in the prior art, part of weightlessness simulation devices depend on a high-altitude falling or underwater environment, operation is complex, cost is high, and certain safety risks exist, however, according to the device, an upper body pull rope system and a lower body pull rope system are driven by a motor, the lifting force to a human body is cooperatively adjusted, and loading clothes are synchronously matched for inflation, so that the weight loss illusion is simulated. A user can generate a weightlessness illusion feeling without a special environment, the simulation cost and the operation difficulty are greatly reduced, meanwhile, the application scene of the device is expanded, and the device can be applied to the fields of flight training, science popularization education, entertainment experience and the like.

The invention discloses a device suitable for simulating a weightlessness model to carry out magnetic resonance examination, and relates to the technical field of simulation experiment devices. The device suitable for simulating the weightlessness model to perform the magnetic resonance examination comprises a base and a supporting frame rotationally connected with the top of the base, an angle adjusting mechanism is installed on the supporting frame, the angle adjusting mechanism is used for binding a biological model and detecting the moving angle of the biological model, and the angle adjusting mechanism can be rotationally folded at the top of the base; the biological model is bound through the angle adjusting mechanism, the angle deflection of the biological model in a weightless state can be detected, then the posture change of a human body or an animal in the weightless state is simulated, the biological model can be bound to different positions on the swing rod, and then the coordinate position of a sample can be adjusted according to experimental requirements; in addition, the device optimizes a precise calibration gauge for angle detection, changes of the longitudinal swing angle are converted into the rotation angle of the scale wheel disc, and then the precision of angle detection is accurate to 0.1 degree.

The invention discloses application of LGG in preparation of a product for preventing and / or treating weightlessness bone loss. The invention discloses application of LGG in preparation of a product for preventing and / or treating weightless bone loss. The weightless bone loss is bone loss caused by aerospace, weightlessness or flight conditions. The LGG can be used for preparing a product for preventing and / or treating weightlessness bone loss after being stimulated by a simulated weightlessness condition. The application mode comprises intragastric administration or oral administration. The LGG and the LGG subjected to weightlessness stimulation simulation can be used for preparing products for preventing and / or treating weightlessness bone loss, and have wide application prospects. The product can effectively relieve, prevent, treat or relieve weightlessness bone loss, and is convenient to carry. The preparation method disclosed by the invention is safe and efficient, the adhesion of the LGG can be improved by simulating weightlessness stimulation, the tolerance to gastrointestinal fluid and bile is also enhanced to different extents, and the LGG after simulating weightlessness stimulation can effectively resist weightlessness bone loss.

The utility model discloses a culture and observation device for a ground simulation weightlessness experiment, which comprises a culture bottle body, a cell carrying unit and an organ chip carrying unit, a bottle opening of the culture bottle body is provided with a gas-liquid separation plug, the bottle bottom can be opened and closed and is provided with a sealing gasket, and the cell carrying unit can be used for conventional cell culture after being arranged in the culture bottle body. A simulated weightlessness experiment can be carried out on a ground cell gyroscope by changing the solution and injecting the perfusion culture solution, and a cell carrying unit taken out after the experiment can be directly dyed; alternatively, the organ chip mounting unit is replaced and mounted, and the organ chip unit is mounted. The culture and observation device disclosed by the utility model has the advantages of simple perfusion operation and high perfusion culture solution utilization rate, can be conveniently used for experimental observation of cell and organ chips in a ground simulation weightless environment, and can be repeatedly used after sterilization, so that the experimental efficiency is improved, and the experimental cost is reduced.

The application discloses a kind of nutritional preparation capable of improving astronaut health index, and relates to the technical field of biological medicine.The preparation is composed of six main materials, namely, radix puerariae, cistanche deserticola, American ginseng, gastrodia elata blume, curcuma longa and angelica sinensis, in a specific proportion, and is prepared into tablets, powders or soft capsules by compounding different auxiliary materials.The preparation can effectively improve the comprehensive health index of astronauts by synchronously regulating immunity, metabolism, neural cognition, skeletal muscle and intestinal microecology through multi-target synergistic effect.The preparation shows good stability and biological activity in simulated weightlessness and radiation environment, is suitable for different stages of space missions, and has high safety and compliance.