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2159 results about "Fixed bearing" patented technology

Three-freedom Halback array permanent magnetism sphericity synchronous motor

The invention relates to a three-freedom degree Halbach array permanent magnetism spherical synchronous motor, belonging to spherical electric machine manufacturing technical field, which comprises a base, a support bearing positioned on the base, a spherical rotor body, an outside stator, an output shaft, the spherical rotor body comprises a hollow spherical rotor yoke made by non-guide magnetism materials and a Halbach array permanent magnetism body, the output shaft is through the upper of the hollow spherical rotor yoke and is fixingly connected with the hollow spherical rotor yoke, column-shaped slots are provided around a cycle of the hollow spherical rotor yoke equator, the Halbach array permanent magnetism body are fixed evenly on one cycle of the rotor yoke equator along the column-shaped slots, the contact surface of the rotor yoke lower and the support bearing is ring-shaped arc surface; the outer stator comprises a stator casing and multi-row coils, an adjustable fixing bearing is provided on the lower side of the stator casing cover. The spherical synchronous motor of the invention can realize three-freedom degree movement, has simple mechanical structure and improved dynamic and static performance of the drive system.

Self-navigation full-automatic cleaning device for photovoltaic cell panel

The invention discloses a self-navigation full-automatic cleaning device for a photovoltaic cell panel. The device has the full-automatic functions of automatically navigating travelling, automatically regulating a cleaning state, automatically selecting a cleaning mode and automatically charging an accumulator. The load-bearing trolley of the device realizes the automatic travelling function of a fixed route by utilizing a self-navigation sensing system and detecting characteristic markers previously placed on site; the lifting platform, telescopic link, brush roller bracket and fixed bearing of the device can completely substitute for the design of a mechanical arm to realize the automatic real-time control of the angle height of the brush roller bracket and realize the function of automatically regulating the cleaning state according to pressure sensing data; a photoelectric sensing system can feed back the dust dirty degree of the surface of the photovoltaic cell panel in real time so as to regulate the travelling speed of the load-bearing trolley and the rotation speed of a brush roller and determine whether a water spray cleaning mode is adopted or not. The self-navigation full-automatic cleaning device disclosed by the invention is simple in structure, can not only save the cost, but also increase the cleaning efficiency, and is very suitable for large-area popularization and usage.
Owner:邵俊松 +1

Test device for simulating tunnel seismic response under fault movements and test methods

InactiveCN106226808ANo excessive displacementGuaranteed continuous misalignmentSeismologyMaterial strength using steady shearing forcesFixed bearingMobile bearing
The invention discloses a test device for simulating a tunnel seismic response under fault movements, which comprises a vibration table, a model test box, a guide rail underframe, a guide rail, a calibrated rod, a spring matrix, a spring mounting plate, a load-bearing bottom plate, an adjustment connecting rod, a fixed bearing, a mobile bearing, a lifting drawer, a jack base and a hydraulic jack. The invention further discloses two test method adopted by the test device for simulating the tunnel seismic response under the fault movements, and the two methods are respectively used for normal fault simulation and reverse fault simulation. A dynamic response of a seismic action in a condition that a fault movement force acts on a tunnel model can be realized by adopting the test device disclosed by the invention, the fault movement force is provided by the hydraulic jack, faults with any inclination angle can be simulated, and the spring matrix can ensure continuous dynamic movements of a hanging side soil body when the vibration table is in operation, so that stress of the tunnel model is enabled to be more consistent with actual situations, the authenticity and the precision of a test result are significantly improved, and research on anti-seismic and shock absorption design of a fault crossing tunnel is facilitated.

Clamp structure used for parallel face milling of glass mold

The invention provides a clamp structure used for parallel face milling of a glass mold, and belongs to the technical field of tool clamps used for manufacture of the glass mold. The clamp structure comprises a bottom plate, a base, a first action cylinder, a second action cylinder, and a movable bearing base. The base is fixed on the upward side of the bottom plate, a connection shaft plate connecting base is formed on the upper portion of one end of the base, a fixed bearing base is fixed on the upper portion of the other end of the base, and a glass mold base plate is fixed in the middle of the base. The first action cylinder and the second action cylinder are located on two sides of the base respectively and fixed on the base. The upper portion of the movable bearing base corresponds to the fixed bearing base, the middle of the movable bearing base is connected with the connection shaft plate connecting base, one end of the lower portion of the movable bearing base is connected with the first action cylinder, the other end of the lower portion of the movable bearing base is connected with the second action cylinder, the upper portion of the movable bearing base corresponds to the upper portion of one end of the glass mold base plate in a vacant state, and the fixed bearing base faces one end of the movable bearing base and corresponds to the upper portion of the other end of the glass mold base plate. Milling efficiency is high, industrialization widened production requirements are met, operation intensity of workers is reduced, the parallelism of parallel faces of the glass mold can be guaranteed, and energy-saving effects are ideal.

Powder mixing and stirring equipment for hydraulic engineering construction

The invention discloses powder mixing and stirring equipment for hydraulic engineering construction. The powder mixing and stirring equipment comprises a basic rectangular stirring tank, wherein cushioning devices are arranged at the lower end of the basic rectangular stirring tank; a feeding device is arranged at the upper end of the basic rectangular stirring tank; a stirring device and a cleaning device are arranged in an inner cavity of the basic rectangular stirring tank; the feeding device consists of a feeding funnel, a feeding cylinder, guide rails, a sliding chute and a material controlling plate; the stirring device consists of a crushing device, rotating shafts, stirring paddles, a rotating motor I, a screw rod, a nut and the cleaning device; the screw rod is separately connected with the rotating shafts at the upper end and the lower end through couplings II; the crushing device consists of fixed supports, fixed bearings, a rolling shaft, a crushing frame and a rotating motor II; the cleaning device consists of a hollow support, brush handles, scraping hairbrushes and a water inlet device; the water inlet device consists of a circular water inlet pipe, an L-shaped waterinlet cylinder, a water inlet pipe and a water suction pump; a discharging cylinder is arranged at the lower end of the basic rectangular stirring tank; a manual switch valve is arranged on the innerwall of the discharging cylinder. The powder mixing and stirring equipment disclosed by the invention has the advantages of simple structure and high practicality.
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