396results about How to "Fast rotation" patented technology

The invention discloses a rotating spray arm for a dish-washing machine, which is structurally characterized in that: a lid is provided with a plurality of tapered nozzles, and the side face of the lower part of each tapered nozzle is provided with a plurality of small holes; the lid is fixed on a water tank; the underside of the water tank is connected with a water feed pipe; the lower end of the water feed pipe is connected with a hollow rotating shaft; a water inlet pipe is inserted into a water sealing ring on the inner side of the lower end of the hollow rotating shaft; the upper sectionof the water inlet pipe is provided with a flange; the hollow rotating shaft is wrapped with a copper bearing bush, and a bearing bracket is fixed on the flange; an air inlet pipe extends to the inside of the water inlet pipe; the sharp part of each tapered nozzle is connected with a capillary air pipe, and the other end of the capillary air pipe is connected to the outside of an air feed pipe; the air feed pipe is fixed on the underside of the lid; and the lower inside of the air feed pipe is provided with an air sealing ring, an outlet of the water inlet pipe is provided with a supporting frame, and the upper section of the air inlet pipe is inserted into the air sealing ring after stretching out from a central hole of the supporting frame. When in use, the air in the air inlet pipe is sprayed out from the sharp parts of the tapered nozzles through the air feed pipe and the capillary air pipes so as to form air bubbles; and the water in the water inlet pipe enters the tapered nozzles through the water feed pipe and a water entering tank and then is sprayed out with the air bubbles in the tapered nozzles so as to form atomized water for washing dishes.

A device for selectively inverting a workpiece about the longitudinal axis of the workpiece within a single lug space of a lugged transfer without impeding lumber flow along a flow path on the lugged transfer, wherein the device includes a workpiece speed-up for urging the workpiece at an increased translation speed along the flow path, a selectively operable workpiece brake to inhibit accelerated translation of the workpiece by the workpiece speed-up so as to selectively at least momentarily delay translation of the workpiece at the increased translation speed of the workpiece speed-up, and a workpiece turning arm mounted downstream along the workpiece speed-up. The board turning arm is selectively actuable into the flow path so as to invert the workpiece about its longitudinal axis within a corresponding lug space of the lugged transfer once the workpiece has been translated by the speed-up to a downstream end of the corresponding lug space.

The invention discloses a reaction spraying preparation method of oxide eutectic ceramic amorphous powder, relates to a preparation method of oxide amorphous powder, and aims at solving the problems that a conventional amorphous ceramic preparation method is relatively low in ceramic conversion rate, high in cost and not applicable to industrial production and no preparation method for ultrahigh temperature eutectic ceramic amorphous powder is available in the field. The reaction spraying preparation method comprises the following steps: I, drying nitrate, thereby obtaining a nitrate reaction agent; II, drying metal powder, thereby obtaining a metal powder reaction agent; III, drying pressure control metal powder, thereby obtaining a pressure control agent; IV, drying oxide powder, thereby obtaining a diluent; and V, ball-milling and mixing the above raw materials, filling into a reaction spraying device, igniting the raw materials to initiate the reaction, keeping the temperature for certain time after obtaining melt, opening a nozzle for spraying, curing, drying, and subsequently grinding, thereby obtaining the oxide eutectic ceramic amorphous powder.

A system used in a remotely controlled firearm device includes a circular gear and two worm gears. The worm gears engage the outer diameter of the circular gear and rotate synchronously to rotate the circular gear to align the firearm device with a target. Once the firearm device is aligned, the circular gear is locked into a fixed position that does not have any hysteresis by rotating the two worm gears asynchronously.

The present invention relates to pulverizing apparatus, and is especially one continuously producing planetary ball mill with great flow rate. The planetary ball mill includes main shaft, central gear, idle gear, grinding barrel and grinding barrel gear. The ratio between the effective inner diameter D1 of the grinding barrel and the distance R0 between the grinding barrel axis and the spindle axis is 1 to 0.8-1.2, and the ratio between the teeth number Z1 of the grinding barrel gear and the teeth number Z2 of the central gear is 1 to 0.8-1.2. The present invention has high efficiency, great flow rate, low power consumption and low alloy steel wear.

The invention discloses a medical sewage disinfection and purification device with a waste separation function. The medical sewage disinfection and purification device comprises a box body, wherein acircular through groove is arranged in the middle of the rear side of the box body; the inner periphery of the circular through groove is rotatably connected with the outer periphery of a rotating plate through a bearing; the front side of the rotating plate is fixedly connected with the rear end of a coaxial transverse shaft; the front end of the transverse shaft is rotatably connected with the corresponding inner wall of the box body; the outer periphery of the transverse shaft is uniformly hinged with one sides of a plurality of net plates; and scraping plates are fixedly arranged at the other sides of the net plates respectively. The medical sewage disinfection and purification device is simple in structure and ingenuous concept; the net plates are used for primary filtration, and finefiltering holes are used for advanced filtering, so filtering is hierarchically performed, and the filtering efficiency can be accelerated; impurities primarily filtered out are thrown out through rotation inertia and self gravity of the net plates, and the impurities in holes of the net plates are shaken off through vibration, while the impurities filtered out of the fine filtering holes are scraped off through the scraping plates, so effective filtering of the fine filtering holes is kept, and the filtering efficiency is further improved; thus, the medical sewage disinfection and purification device can meet the market requirements, and is applicable to popularization.

The invention relates to an automatic stamping device, which comprises a casing and an automatic stamping mechanism arranged in the casing, wherein the automatic stamping mechanism comprises a support frame, a stamp rotating mechanism and a stamping mechanism, the stamp rotating mechanism is arranged in the support frame and is used for rotating a stamp to the preset position, the stamping mechanism is arranged on the support frame and is used for pushing the stamp to realize downward stamping, the stamp rotating mechanism rotates the stamp to the preset position, the stamping mechanism pushes the stamp to be downwards pressed to a limit position, and the stamping is completed. The automatic stamping device has the advantages that the size of equipment can be reduced to a great degree through the stamp rotating mechanism, in addition, the rotating speed is high, and the noise is low; and secondly, an adopted electronic lock is completely controlled to be unlocked by a personnel computer, and high safety is realized.

The invention pertains to the field of water-electrolytic hydrogen making and power generation by a micro turbine and relates to a combined water-electrolytic hydrogen making and power generating machine made up of a micro turbine and a switched reluctance motor, including the micro turbine, a high-speed switched reluctance motor and water-electrolytic hydrogen making equipment; wherein the micro turbine is directly connected with the high-speed switched reluctance motor by a shaft and the current of the switched reluctance motor is connected with the grid through an inverter. The input end of the inverter is also connected with a DC-DC converter, which provides electric energy for the water-electrolytic hydrogen making equipment. The hydrogen produced by the water-electrolytic hydrogen making equipment serves as the fuel of the micro turbine. The combined power generator makes use of the direct connection between the micro turbine and the high-speed switched reluctance motor and simultaneously adopts the power generating method by which the water-electrolytic hydrogen making equipment is adopted to improve the efficiency of the micro turbine system so as to realize more proper recycling use of the energy.

The spiral-flow mouth tooth straight band mounted in the heat transfer tube is composed of straight band and power tooth of spiral-flow mouth, on the straight band the auxiliary tooth can be set also. Under the retention guide action of power tooth and auxiliary tooth a portion of fluid in the tube can be axially flowed, another portion of fluid can be spirally flowed via spiral-flow mouth. Said invention can be extensively used in the shell-and-tube heat transfer equipment for automatically-cleaning tube scale and implementing heat transfer intensification.

The invention relates to a stagnation-prevention drilling tool capable of reducing a stick slip phenomenon through a multi-head helical pair. The stagnation-prevention drilling tool is installed on the upper portion of a drill bit in a thread connection mode and comprises an upper assembly, a vibration absorption assembly and a lower assembly. The rear end of the vibration absorption assembly is provided with an upper connector assembly, and the front end of the vibration absorption assembly is provided with the lower assembly. Vibration generated in the work process of the tool is absorbed through disc springs connected in series, a pressure cavity and a rubber spring. Through matching of a spiral outer shell and a spiral transmission shaft, the multi-head helical pair is formed. When the reaction torque acting on the drill bit is increased and a stick slip or clamping phenomenon occurs, the spiral transmission shaft rotates backwards relative to the spiral outer shell, and therefore small-amplitude reverse rotation is applied to the drill bit. The reaction force of the ground to the drill bit is lowered, stress of the drill bit reaches balance again, and therefore efficient rock breaking with the drill bit is realized. According to the stagnation-prevention drilling tool capable of reducing the stick slip phenomenon through the multi-head helical pair, the vibration generated during rock breaking with the drill bit can be absorbed, the stick slip phenomenon is reduced, and continuous drilling of the drill bit is guaranteed.

The invention discloses a wind driven generator with a telescopic blade. The wind driven generator with the telescopic blade comprises a support, wherein a fan rotary shaft, a rotary unit, a generation unit and the telescopic blade are arranged on the support; the fan rotary shaft is connected with the generation unit; the telescopic blade is rotatably connected with the fan rotary shaft through the rotary unit; a control unit is arranged in the support; and the generation unit, the rotary unit and the telescopic blade are connected with the control unit. According to the wind driven generatorwith the telescopic blade provided by the invention, through designing the telescopic blade and the rotary unit, the problems of transportation and installation are solved; meanwhile, during use, thelength of the telescopic blade can be adjusted according to the air volume, so that the rotation speed of the blade is prevented from being too fast; and meanwhile, under a high wind and even a typhoon, the telescopic blade can be rotated until a plane of the telescopic blade to be parallel to a wind direction through the rotary unit, so that a wind area is reduced, the blade and the wind drivengenerator are prevented from being damaged by the high wind, the service life of the wind driven generator is prolonged, and the wind driven generator has a broad market prospect and a broad application prospect.

The invention belongs to the field of numerical control machine tools, particularly provides a quick tool replacement method for a numerical control machine tool and a tool magazine, and aims to solve the problem of excessively long tool replacement time between a tool magazine and an electro-spindle of a conventional numerical control machine tool. The quick tool replacement method comprises the following steps: a numerical control system gives a tool replacement command; a tool chamber servomotor drives a tool chamber to rotate and to rotate a target tool to a tool replacement position; a manipulator servomotor drives a manipulator to quickly rotate to the position of a to-be-replaced tool; a tool striking cylinder starts to strike tools while the manipulator rotates, and the tool striking cylinder just finishes the tool striking action when the manipulator holds a tool on an electro-spindle; and the manipulator conducts tool replacement. Furthermore, encoders are used for accurately positioning all the tools on the tool chamber and the manipulator. The quick tool replacement method for the numerical control machine tool can not only prevent the tools from falling and being disordered, but also improve the tool replacement speed.

The invention discloses a multifunctional sweeping vehicle. The multifunctional sweeping vehicle comprises a vehicle body, a driving module, a lifting module, a sweeping module, a dust absorbing module and a steering module. The vehicle body is used for holding and supporting the other modules. The driving module is used for providing advancing power for the sweeping vehicle, providing rotary power for the sweeping module and providing lifting power for the lifting module. The lifting module is used for making the sweeping module rise and fall in the vertical direction. The sweeping module is of a rolling brush structure. The dust absorbing module is used for absorbing and collecting dust gathered by the sweeping module. The steering module is used for steering of the sweeping vehicle. The multifunctional sweeping vehicle has the advantages that the sweeping speed can be adjusted in real time along with change of vehicle speed so as to improve the sweeping effect, and a wall and other objects perpendicular to the ground can be swept.

The invention relates to a mechanical pulverizing device, in particular to a mechanical ceramic-pulverizing device. The device comprises an overall support, a pulverizing barrel, a power mechanism, afeedback mechanism, a transmission mechanism and a pulverizing mechanism. The feedback mechanism and the transmission mechanism can be driven by the power mechanism to rotate simultaneously, the transmission mechanism performs transverse transmission through threads and pushes the pulverizing mechanism to move downwards, a compression spring II arranged on the pulverizing mechanism produces certain extrusion force on a pulverizing wheel, the pulverizing wheel is driven by a cone friction wheel II to rotate in a pulverizing conical barrel, the conical degree of the pulverizing wheel is smallerthan that of the pulverizing conical barrel, the diameters of the upper ends of the pulverizing wheel and the pulverizing conical barrel are greater than those of the lower ends of the pulverizing wheel and the pulverizing conical barrel correspondingly, and after being pulverized by means of the pulverizing wheel, ceramic in the pulverizing conical barrel falls into a storage box through a screening plate.

The invention relates to the field of laser radar, and particularly relates to a scanning device. The scanning device comprises: a rotation support capable of rotation motion around a rotation shaft;a reflector fixedly arranged on the rotation support; a magnetic member fixedly arranged on the rotation support; and a magnetic field generating mechanism generating a magnetic field having a variable direction, wherein the magnetic member is arranged in the magnetic field and performs reciprocation under the action of the magnetic field to drive the reciprocation rotation of the rotation support. The present invention further relates to a laser radar. Compared to a rotation scanning system driven by a motor, the scanning device is small in size and fast in rotation speed, high in efficiency,compared to a traditional galvanometer scanning system, the scanning device is lower in cost, smaller in size, lower in power consumption and better in environmental adaptability, and compared to a MEMS system, the scanning device is larger in scanning area and wider in scanning angle range and is closer to the practicality.

The invention discloses a wire bending fatigue test device which comprises a frame and a motor as well as an input shaft (1), a tractive connecting link (2), a balance wheel (3) and a runner wheel (4). The motor drives the input shaft (1) to rotate through a transmission device; a guide and slide block (7) is arranged on the end surface of the input shaft (1); a pin shaft at the driving end of the tractive connecting link (2) is connected with the guide and slide block (7); a pin shaft (11) at the driven end of the tractive connecting link (2) is connected with the balance wheel (3) and positioned in an arc-shaped groove (8) of a frame to slide along the arc-shaped groove (8); wire grooves are formed on the peripheral surfaces of the balance wheel (3) and the runner wheel (4); after a to-be-detected wire passes through the wire grooves on the peripheral surfaces of the balance wheel (3) and the runner wheel (4), two ends of the to-be-detected wire are fixed on the balance wheel (3); the runner wheel (4) is hung under the balance wheel (3) by the to-be-detected wire; and a counter weight load (12) is hung on the runner wheel (4).

The invention discloses a heat dissipation power distribution cabinet for communication. The cabinet comprises a cabinet body. The inner wall, close to the upper end, of the cabinet body is fixedly connected with a mounting plate. A heat dissipation mechanism is arranged at the upper end of the mounting plate. The heat dissipation mechanism comprises a fixed plate fixedly connected to the upper wall of the mounting plate, and the upper wall of the fixed plate is fixedly connected with the upper inner wall of the cabinet body. A mounting groove is formed in the side wall, close to the lower end, of the fixed plate in a penetrating mode. A motor is arranged on the upper wall of the mounting plate and located in the mounting groove. An output shaft of the motor is fixedly connected with a rotating shaft, and a plurality of fan blades are fixedly connected to the side wall of the rotating shaft. A temperature controller is arranged on the side wall, close to the upper end, of the fixed plate. When the temperature is high, electrical components in the power distribution cabinet are cooled. The higher the temperature is, the faster the fan blades rotate. The heat dissipation effect of the device can be further improved through cooperation of rotation of a ventilation plate and the fan blades. Rainwater can be prevented from entering the power distribution cabinet in rainy days, and the electrical components are protected.

A vacuum pump includes shaft, two spaced from each other, dynamic gas bearings for supporting the shaft for rotation, and a pumping system arranged on the shaft between the two gas bearings and having two pumping sections which are so formed that compressed gas from each section is delivered in a direction of a gas bearing adjacent to this pumping section.

Provided is a gear controlling device of a vehicle. The gear controlling device comprises a gear-selecting operation valve, a forward gear clutch, a backward gear clutch, a hydraulic pump, a fuel tank, a switch control mechanism, a power supply, a button switch, an electromagnetic valve, a first conducting sliding ring and a second conducting sliding ring. The switch control mechanism comprises acentrifugal column, a spring and a connecting disc. The centrifugal column is slidably connected into a sliding groove of the connecting disc. One end of the spring is arranged onto the connecting disc in a hooking manner. The other end of the spring is outwardly arranged onto the centrifugal column in a hooking manner along the radial direction. The button switch is fixedly connected onto the connecting disc. The centrifugal column contacts or separates from the button switch. The hydraulic pump communicates with an oil inlet of the electromagnetic valve. An execution opening of the electromagnetic valve communicates with an oil inlet of the gear-selecting operation valve. The power supply, the first conducting sliding ring, the button switch, the second conducting sliding ring are orderly and electrically connected with a wiring end of the electromagnetic valve so that a loop is formed. When the button switch is connected, the wiring end of the electromagnetic valve gets electricitywhile the oil inlet of the electromagnetic valve does not communicate with the execution opening. When the vehicle overspeeds, a neutral gear is automatically engaged.