17 results about "Orbital ring" patented technology

The invention provides a ground simulation test method and device based on ground irradiation source combination parameter optimization. The method comprises the steps that an in-orbit space irradiation environment is simulated, an orbit environment particle energy spectrum of a to-be-tested space orbit is obtained through calculation, and an in-orbit PKA distribution spectrum in a to-be-tested material is calculated based on the orbit environment particle energy spectrum; based on the obtained on-orbit PKA distribution spectrum, determining optimal combination parameters of one or more groups of ground irradiation sources through a specified optimization algorithm and fitting calculation, so that a PKA energy spectrum generated by the ground irradiation sources in the to-be-measured space material is matched with the on-orbit PKA distribution spectrum, and an optimal fitting energy spectrum is obtained; and calculating and determining a critical dose rate, and calculating to obtain an acceleration fluence and a maximum acceleration multiplying power for guiding a ground acceleration test so as to carry out a ground simulation test of the to-be-tested space material. According to the application, the combined parameters of the ground irradiation source are optimized, and a more accurate ground simulation test is realized.

The application discloses a satellite orbit space environment disturbance coping method, equipment and computer program product. The method comprises the following steps: acquiring current position data and current space environment data of a target orbit, wherein the current space environment data comprises a first high-energy particle integrated flux at a target position of a high-energy particle flux and a first high-altitude atmospheric daily average atmospheric density; querying a second high-energy particle integrated flux at the target position of the high-energy particle flux and a second high-altitude atmospheric daily average atmospheric density when the target orbit environment is calm according to the current position data; calculating a high-energy particle radiation environment relative disturbance amount and a high-altitude atmospheric density maximum relative disturbance amount of the target orbit; determining a current high-energy particle radiation environment disturbance degree and a current atmospheric environment disturbance degree in combination with a disturbance degree discrimination range; and generating a risk coping suggestion. The application can accurately understand the disturbance situation of a spacecraft operating environment and improve the safety of the spacecraft in-orbit operation.

This invention discloses an inlaid, patch-type, dual-track screening machine and a dedicated cylinder, comprising a frame, a power control box, an air source control box, a cylinder, a chassis, a rotating track ring, a pressure ring, a main motor, a main reducer, an auxiliary motor, an auxiliary reducer, an inclined base, air pipes, and a compressed air source. The cylinder is characterized by being composed of an upper ring and a lower ring. The lower ring has an annular outer track groove, a flat-blowing pipe mounting hole, a guide groove, and a conveyor track mounting groove. The inner wall of the lower ring has a flat-blowing hole adapted to the flat-blowing pipe mounting hole. The guide groove is connected to the first end of the outer track groove. The end of the outer track groove is connected to the track groove of the conveyor track fixed on the conveyor track mounting groove. A guide plate is provided on the inner side wall of the upper ring, with the inner end of the baffle at the bottom of the guide plate inserted into the inner track groove. A cover plate is provided on the top of the outer track groove. This invention features two annular track grooves, ensuring smooth operation and normal production of high-speed production lines.

This invention discloses a precision bearing grinding device, relating to the technical field of bearing grinding equipment. It includes a feeding assembly for carrying bearing blanks; and a positioning and stamping assembly, comprising a positioning part and a stamping part. The upper surface of the positioning part is at the same horizontal plane as the bearing surface of the feeding assembly, while the stamping part is fixed to a stamping worktable directly above the positioning part, forming a vertical suspension relationship with the positioning part. This invention employs a dynamic mating and positioning mechanism consisting of an electric bidirectional telescopic actuator, a limiting track ring, and a track arm. This mechanism allows for flexible adaptive adjustment based on the inner ring size and tolerance deviations of different bearing blank models. Compared to traditional rigid positioning structures, it allows the limiting track ring to perform slow calibration and bidirectional fine-tuning before contacting the inner ring. During mating, the track arm guides the downward pressing path, effectively compensating for positioning offset problems caused by manufacturing errors and assembly posture deviations in the bearing blank.

This invention provides a positioning device and method for a surveying instrument used in engineering surveying, relating to the field of surveying instrument technology. In this invention, a first frame and a second frame are rotatably connected by a shaft. An extension frame is slidably connected to the outer surface of the second frame to extend its length. Fasteners are provided between the second frame and the extension frame for fixation. A target positioning component and an inclination sensor are provided on the first frame. The target positioning component also has a protective component to protect the positioning element. In this invention, the protective component, through the cooperation of a track ring, gear transmission, and baffle structure, can be unfolded and folded by rotating a handle. When unfolded, it forms a complete circular protective surface that wraps around the positioning prism, effectively preventing damage to the positioning prism from collisions, dust corrosion, etc., during transportation or when not in use. When folded, it does not affect the signal reception of the positioning prism, thus balancing protection and practicality.

The utility model belongs to the field of driving assemblies, and particularly relates to an adjustable driving assembly which comprises a main frame, the inner wall of the main frame is fixedly connected with a supporting shaft, the outer wall of the supporting shaft is rotatably connected with a rotating frame, the main frame is provided with an adjusting assembly, the rotating frame is provided with a driving assembly, and the adjusting assembly is connected with the driving assembly. The adjusting assembly comprises a first hinge rod, the inner wall of the main frame is fixedly connected with the first hinge rod, and the outer wall of the first hinge rod is hinged to a hinge base. According to the adjustable driving assembly, through a linkage structure of the cylinder base, the hinge block and the hinge rod, linear stretching of the electric cylinder base drives the rotating frame to rotate around the supporting shaft, the driving wheel is driven to move up and down, and the adjustable driving assembly is rapidly adaptive to sliding rails with different thicknesses and angles. According to the flexible adjusting mode, the tedious operation that a traditional driving device needs to manually replace accessories or reinstall the accessories is avoided, the applicability of the device in diversified track environments is remarkably improved, and the debugging cost and time are effectively reduced.

A kind of multi-group independent lifting rotating show device, it is related to performance stage prop technical field, including fixed truss, rotating truss, a certain number of rotating components and a certain number of lifting components, fixed truss is fixed in the top of show stage, a certain number of first support is arranged in the bottom of fixed truss, first support bottom is provided with hanging wheel, rotating truss top is provided with annular hanging track and annular friction track, annular hanging track is hung on hanging wheel, rotating component includes rotating drive motor and rotating friction wheel, rotating friction wheel and the side of annular friction track are in abutment, lifting component includes lifting winch group fixed on rotating truss, steering pulley, hanging point pulley, traction rope is sequentially through steering pulley and hanging point pulley, then vertically downward passes through rotating truss.The utility model can be used for the rotating movement and lifting movement when multiple actors perform in the air, realize the multidimensional position change of multiple actors in the air performance.

This invention discloses a device and method for detecting the water vapor composition and wind field occultation of planetary atmospheres, belonging to the field of planetary atmospheric detection technology. It includes a sealed mounting housing, a modular control unit, and an all-fiber optic unit. The device adopts a layered sealed structure of "upper-layer optics + lower-layer control." The optical unit receives sunlight passing through the planetary atmosphere via a solar telescope, mixes it with one laser beam split by a laser to generate a water vapor absorption spectrum, and extracts the peak wavelength λ'. Another laser beam passes through a built-in calibration gas cylinder to generate a standard absorption spectrum, and extracts the peak wavelength λ. Based on the Doppler frequency shift principle, the line-of-sight wind speed is inverted using the wavelength drift. This invention features strong adaptability to orbital environments, high integration, and high measurement accuracy. It can achieve synchronous in-situ detection of water vapor composition and wind speed in planetary atmospheric orbits, meeting the requirements of lightweight, radiation-resistant, and long-life interplanetary orbit detection, and is suitable for on-orbit occultation detection scenarios in planetary atmospheric orbits.

This invention discloses a lunar orbit space solar power station system, belonging to the field of spacecraft structure and energy system technology. Addressing the problems of traditional solar power generation failure in the lunar polar shadow regions and the inability of existing space power station structures to adapt to the lunar orbit environment, a novel system is proposed, comprising: a double-layered box-type central truss made of carbon fiber composite material; 12 thin-film solar subarrays, achieving independent solar tracking via a first conductive rotary joint; 5 laser transmitting antenna subarrays, achieving precise pointing via a second conductive rotary joint; and a rotary connection module. The system adopts a tree-like topological multibody structure, allowing independent attitude adjustment of the solar energy collection and laser transmitting modules, achieving decoupling between solar tracking and laser pointing. This invention offers advantages such as modular on-orbit assembly, lightweight and high rigidity, and flexible vibration suppression, providing continuous wireless energy transmission to the lunar polar regions.

The utility model provides an annular track centripetal force analysis experiment device comprising a track assembly which comprises a release track, an annular track and a recovery track; a small ball runs on the track assembly; the releasing mechanism comprises a sliding base, an electromagnetic assembly and a guide rod unit arranged on a releasing track, the electromagnetic assembly is arranged on the sliding base, and in the initial state, the electromagnetic assembly generates magnetic force to adsorb and fix the small ball; a driving screw rod is arranged on the guide rod unit, a driving plate arranged below the sliding base is nested on the driving screw rod, and a supporting bolt arranged on the driving screw rod is screwed in to adjust the height of the sliding base. According to the utility model, the supporting bolt is screwed on the driving screw, so that the tedious disassembly and assembly process in the height adjustment process is simplified, the preparation and disassembly and assembly work before and after an experiment is reduced, the experiment time is shortened, and the experiment progress is accelerated.

This invention belongs to the field of space electric propulsion in aerospace propulsion technology, and relates to a microwave DC cathode suitable for oxidizing working fluids and its operating method. The microwave DC cathode includes a discharge cavity body, a microwave antenna, leads, an insulating medium, contact electrodes, a microwave connector, and a high-temperature resistant component. The microwave antenna is horizontally mounted inside the discharge cavity body; the microwave connector is vertically fixed to the discharge cavity body; the high-temperature resistant component is installed between the discharge cavity and the microwave connector; the leads, insulating medium, and contact electrodes are sequentially stacked and fixed at the outlet end of the discharge cavity body from the inside out; lead-out holes are pre-machined at the center of the leads and contact electrodes, and a center hole is pre-machined at the center of the contact electrode; the discharge cavity is formed by the discharge cavity body, leads, and high-temperature resistant component forming an outer envelope, and the microwave antenna is the inner envelope; the head of the microwave antenna is pointed, with the pointed end facing the lead-out hole. This invention addresses the cathode requirements of electric propulsion systems in ultra-low Earth orbit environments.

The invention provides an anti-falling device for outboard test operation of a carrier rocket, belongs to the field of carrier rockets, and solves the problem of how to realize unmanned outboard anti-falling measures. Comprising a fixed connecting piece, a carrying bag and a sliding rail; a cavity structure is arranged in the fixed connecting piece; by increasing the volume of the cavity structure and increasing the pressure difference with the atmospheric pressure, the device is adsorbed and mounted below a falling target outside a carrier rocket cabin; the sliding rail comprises a pulley and a track, the pulley comprises a spherical part and an extension part, and the spherical part and the extension part are integrally formed; the slideway of the track is matched with the spherical part in shape; the pulley is fixed at the opening part of the carrying bag; the track is installed on the outer wall of the shell of the fixed connecting piece in a surrounding mode. The pulleys enter the rails, the extending parts extend out of the outer sides of the sliding ways, and the spherical parts slide along the sliding ways to adjust the direction and angle of the carrying bag and then catch a falling target outside the carrier rocket cabin; according to the invention, unmanned anti-falling measures outside the cabin are realized, and the operation risk is reduced.

The application discloses an intelligent vertical climbing robot, which comprises a horizontal track ring frame, a plurality of vertical power mechanisms arranged on the horizontal track ring frame, vertical power mechanisms driving the horizontal track ring frame to vertically climb, horizontal power mechanisms and spraying maintenance mechanisms arranged on the horizontal track ring frame, the horizontal power mechanisms and the spraying maintenance mechanisms horizontally moving on the horizontal track ring frame, and the horizontal power mechanisms being connected with the spraying maintenance mechanisms. The application has the advantages that the robot capable of self-climbing and ascending and descending is used to replace the traditional water column spraying, the horizontal track ring frame provides a reliable and stable platform basis for maintenance operation, and is beneficial to efficient and high-quality completion of the maintenance; the vertical power mechanisms realize overall movement, so as to change different working heights; and the horizontal power mechanisms realize one-circle movement, so as to spray the whole column circumferential surface at the height.

The utility model discloses a winding gear of a three-dimensional wound core transformer, which relates to the technical field of winding equipment, and comprises a track ring, a fixed ring, a gear ring and a fixed pressing plate, the track ring is in a circular ring shape, the fixed ring is connected to the track ring in a laminated manner, and the fixed ring is used for connecting an iron core of the three-dimensional wound core transformer; the gear ring is rotatably arranged outside the track ring in a sleeving mode, a first annular face is formed on the side, away from the fixing ring, of the gear ring in the thickness direction of the gear ring, a starting groove sunken towards the fixing ring is formed in the first annular face, and the starting groove penetrates from the inner edge of the gear ring to the outer edge of the gear ring in the radial direction; the fixed pressing plate is arranged in the starting groove, and a threading space for a coil to penetrate through is formed between the fixed pressing plate and the groove wall of the starting groove. The fixed pressing plate can be matched with the starting groove to press the starting end of the coil into the threading space, so that the starting end of the coil is kept fixed in the winding process, and the forming quality of the three-dimensional wound core transformer is improved.

This utility model discloses a crane anti-sway control system, belonging to the field of crane technology. It includes a track ring located outside the load-bearing rope. A track groove is formed on the upper surface of the track ring, and a movable seat is slidably engaged in the track groove. A control telescopic rod is fixed on the movable seat, and a buffer assembly is fixed to one end of the control telescopic rod. A locking mechanism is installed on the buffer assembly. The buffer assembly includes a movable plate, with edge plates fixed on both sides above the movable plate. Wing plates are fixed on both sides of the edge plates near the load-bearing rope. One end of the control telescopic rod is fixed to the wing plates. A limit protrusion is fixed to the bottom of the movable plate, and a bearing plate is fixed to the side wall of the movable seat. This control system is mainly used to reduce the sway amplitude of the load-bearing rope when lifting heavy objects. When swaying occurs, the drive mechanism can move the buffer assembly and the locking mechanism to the corresponding positions, and then the swaying of the load-bearing rope is slowed down by controlling the telescopic rod.