193results about How to "With rotation function" patented technology

Disclosed are a well completion sand prevention process and sand prevention strings thereof. The process comprises the following steps of assembling an inner string and an outer ring; mounting a hydraulic rotation device; connecting a top packer and a setting tool; performing function testing; drilling down to a set position; performing completion fluid replacement, gel breaking fluid replacement, gel breaking and well flushing; performing ball feeding, setting the top packer and examining the sealing performance; pulling out a feeding drill and the inner string. The sand prevention strings comprise the outer string and the inner string, the inner string is arranged inside the cavity of the outer string and comprises an insertion seal, a positioning head and a flushing pipe, and the outer string comprises a sealing bore, a screen pipe and a blank tubing; the tops of the blank tubing and the flushing pipe are connected with the top packer, and the top packer is connected with the feeding drill through the setting tool; the outside of the outer string is also provided with the hydraulic rotation device, and the inside of the inner string is provided with a fluid path for the driving fluid of the hydraulic rotation device to pass through; the hydraulic rotation device is connected with a surface pump through the fluid path.

This invention discloses a rotary multifunction lamp base including a base, a fixed shaft in the base and extending out of the base, a lamp installation frame set on the fixed shaft and a motor in the base characterizing that the lamp base includes a turnplate connected with the motor by a drive piece and driven by the motor. Apart from illumination function, the lamp base also has the function of rotation, so it can be used in other fields.

This invention relates to a high precision positioning and accessing system for waste nuclear material. Wherein, for improvement while keeping original workshop and devices, arranging a frequency-changing system on the dual-speed motor for continual regulation within 0~50Hz; adding a band-brake power controlled by a PLC digital interface for single band-brake release; and measuring position of the sling by two laser rangers and one rotary coder. This invention reduces nuclear radiation to operators and workers and shaking amplitude of the trash receptacle, increases crane position precision to 1mm, and improves warehouse utilization rate.

The invention discloses a car seat assembly operating platform. The operating platform comprises an operating platform frame (11), a rotary disk (7) and a rotary station limiting mechanism (3) and is used for the assembly of a car seat assembly (1), wherein the rotary disk (7) is provided with a rollover chassis (6); the rollover chassis (6) is provided with a rollover disk (5); and the car seat assembly (1) is fixed on the rollover disk (5) through a pneumatic clamping mechanism (4). The invention also relates to an operation method of the car seat assembly operating platform. By adopting the technical scheme of the invention, the installation operating platform of the car seat can have the functions of rotation, rotational positioning and rollover, each surface of the car seat can be assembled on one operating platform, the assembly and production efficiency of the car seat can be greatly increased and the labor intensity of the operator can be reduced.

The invention discloses a workpiece containing device used for a rail conveying trolley, and a sliding plate and a sliding plate conveying line applied to the workpiece containing device. The workpiece containing device comprises a sliding branched rail, a support and guide wheels fixed on the support, the sliding branched rail is fixed on a rail conveying trolley body and provided with a sliding rail opening towards one side of the rail conveying trolley, the support is used for placement of to-be-contained workpieces, the guide wheels are matched with an auxiliary rail, and track of the auxiliary rail can guide the support to slide out from the open side of the sliding branched rail through the guide wheels. The rail conveying trolley is provided with the workpiece containing device which can be drawn out from the bottom of the rail conveying trolley, and more convenience and quickness in workpiece fetching, placing and containing are realized.

The invention discloses a medical bed with a rotation function. The medical bed comprises a square-box-shaped lower bed board (hereinafter referred to as a lower bed board), a square-box-shaped upperbed board (hereinafter referred to as an upper bed board), a bedstead, a left bed head, a right bed head, bed legs, casters and an air pump. A lower air cushion and an upper air cushion are arranged above the lower bed board, and the upper bed board is arranged above the upper air cushion; left and right frames of the upper bed board and the lower bed board are provided with connecting devices; arotation device is arranged on a transverse beam of the right bed head, and a control panel is arranged above the left bed head; angle positioning devices are connected with a transverse beam of the left bed head. The medical bed has the advantages that two sunken locations which are similar to the shapes and the thicknesses of human bodies are arranged inside the lower air cushion and the upper air cushion, square through holes are formed in the upper half portion of the lower air cushion, and shaking cushions can be replaced by the aid of the square through holes; circular through holes areformed in the upper portions of the upper bed board and the upper air cushion; the lower bed board, the lower air cushion, a patient, the upper air cushion and the upper bed board can be rotationallycombined with one another at treatment locations, accordingly, the whole body of the patient can be supported, the patient can be in comfortable posture and can be prevented from being injured, and the medical bed is favorable for sputum drainage and sputum excretion treatment.

The invention discloses a double-concentric controllable-speed cutter using abrasive jets and solves the problem that an existing cutter is complex in structure and difficult to process. The cutter comprises a cutting nozzle, eccentric spouts, a main mandrel, an outer shell, a friction speed-limiting ring, and a pneumatic shell. The cutter is characterized in that the a pore axis of each spout mounting channel is mutually perpendicular to the axis of the cutting nozzle and has an offset distance e relative to the cutting nozzle, and an axis of a straight cylindrical segment of a pore of each spout and the axis thereof intersect to form an eccentric angle alpha; the main mandrel and the pneumatic shell are provided with corresponding sector openings, respectively, so that flow area is periodically changed during a rotation of the main mandrel, pressure is periodically changed, and speed monitoring is achieved; in addition, whether to mount the friction speed-limiting ring or not and whether to use the eccentric spouts to precisely control nozzle speed or not can be selected according to different displacements. The cutter is available for cutting in a string having an inner diameter 62mm and is controllable in speed, high in cutting efficiency, low in manufacturing cost and simple in structure.

The invention discloses an intelligent laundry rack and relates to the technical field of intelligent laundry racks. The intelligent laundry rack comprises a suspended ceiling box, a lifting seat anda rotary rack and is characterized in that two sides of the bottom of the suspended ceiling box are connected with the lifting seat through shear type telescoping mechanisms, and the bottom end of thelifting seat is rotatably connected with the top end of the rotary rack; the bottom end of the rotary rack is provided with a cylindrical inner cavity, a fluted disc is fixed to the inner wall of thecylindrical inner cavity, a rotation motor is fixed to the bottom end of the lifting seat, and a gear meshing with the fluted disc is fixed to the output end of the rotation motor; an air duct is fixed to the bottom of the cylindrical inner cavity, and the bottom end of the air duct is provided with an air inlet. The intelligent laundry rack has the advantages that the laundry rack is provided with the rotary rack with a lifting function, the lower end of the rotary rack is provided with the air duct, a circle of downwardly inclined air outlets is arranged in the peripheral side of the air duct, clothes hanger hanging rods are distributed in a stepped manner, air discharged from the air outlets can be blown towards clothes aired around, high drying efficiency is achieved, the clothes canbe rotated to change directions during airing, and the clothes can be sufficiently and evenly dried by sunlight.

The invention discloses a two-in-one device for audio transmission of a TWS earphone and a Bluetooth speaker. The device comprises a sound box and a TWS earphone. The loudspeaker box comprises a loudspeaker box shell, a charging box, a charging box PCB, a loudspeaker box control PCB, a loudspeaker base cover, a loudspeaker base, a loudspeaker box loudspeaker and a rotating cover. The charging boxis rotationally connected with the sound box shell through a pin shaft; wherein a connector of the loudspeaker seat cover is connected with the rear end of the charging box, a PIN on a PCB of the charging box is in contact connection with a conductive contact of a TWS earphone placed in an earphone groove of the charging box, a light touch switch is connected to the loudspeaker box control PCB, and a switch contact body is arranged on the loudspeaker seat cover. The multifunctional TWS sound box is convenient to carry and rich in function, the TWS earphone can be charged, the earphone and thesound box can be combined to form a Bluetooth sound box, wireless audio playing is achieved, the earphone can be rotated into the sound box shell to be stored and protected, in addition, a switch of the sound box can be controlled through rotation, and operation is convenient.

The invention relates to mixing equipment for micro-steel fiber reinforced concrete applied to a lab. The mixing equipment comprises a mixing assembly and a feeding assembly; the mixing assembly comprises a main rack, a mixing bucket, a mixing shaft, a shaft rotating device and a bucket rotating device; and the feeding assembly comprises a secondary rack, a feeding tray, a feeding cylinder and a tray rotating device. The mixing equipment for the micro-steel fiber reinforced concrete applied to the lab, provided by the invention, can make micro-steel fibers be uniformly distributed in the concrete and can save materials so as to obtain high-quality micro-steel fiber reinforced concrete.

A tower crane with the function of adjusting the spatial position of a lifting component omnidirectionally belongs to the technical field of tower cranes. The tower crane comprises two parallel lifting mechanisms and a trolley with a slewing gear; the two parallel lifting mechanisms are installed back and forth on balance arms of the tower crane in the axis direction; the trolley is connected to a lower chord member of a crane jib, and slides along the crane jib; lifting steel wire ropes on the two lifting mechanisms are connected to wedged joints of the crane jib through a guide rope pulley block on a tower head, a lifting weight limiter, a trolley center guide rope pulley block, a slewing beam guide pulley block on the trolley and a lifting pulley block as well as a guide pulley block of the slewing beam, a central guide rope pulley block and two anti-twisting device pulleys at the end of the crane jib; the lift or decent of the lifting pulley blocks is controlled through the lifting mechanisms. In the invention, the +/- 90 DEG rotation function of the lifting component can be achieved, and the spatial position of the lifting component can be adjusted omnidirectionally; different lifting components can be rotated and adjusted in place on a construction side, and the efficiency and construction quality are improved in the lifting process.

The invention provides a mechanical cleaning device for food processing, which relates to the field of food machinery. The mechanical cleaning equipment for food processing includes a fixed bottom plate, the top of the fixed bottom plate is fixedly connected with a shock-absorbing buffer device, and a fixed plate is arranged above the shock-absorbing buffer device, and the right side of the fixed plate is fixedly connected with a support horizontal plate, the top of the fixed plate is provided with a semicircular groove, the interior of the semicircular groove is provided with a cleaning roller, the inner wall of the semicircular groove is fixedly connected with two connecting blocks, and the two connecting blocks Axles are arranged between the blocks. The mechanical cleaning equipment for food processing, when the cleaning roller rolls and cleans the vegetable and fruit raw materials inside, the roller can be driven to rotate when the vegetable and fruit roll, which effectively reduces the direct contact between the cleaning roller and the vegetable and fruit raw materials, effectively reducing the The friction between the fruits and vegetables and the cleaning roller when they are rolling reduces the damage of the raw materials of fruits and vegetables and improves the preservation time of fruits and vegetables.

The invention provides a flexible welding workstation of a rectangular flange intelligent robot. The flexible welding workstation comprises a rotary workbench and a welding robot located beside the rotary workbench, two sets of flexible tools capable of horizontally rotating along with the rotary workbench are symmetrically arranged on the rotary workbench, and for each set of the flexible tool, electric bidirectional sliding tables with bidirectional synchronous linear displacement are arranged on the transverse and longitudinal central lines of a rectangular framework respectively; the two ends of each electric bidirectional sliding table are correspondingly provided with sliding plates with bottom plates, a fixing plate is arranged on the center side, adjacent to the rectangular frame,of each bottom plate, and each fixing plate is provided with a rotary air cylinder; and a pushing air cylinder is arranged on the center side, away from the rectangular frame, of each bottom plate, and a piston rod of each pushing air cylinder is connected to a movable pushing plate. According to the flexible welding workstation, automatic splicing and welding manufacture of the rectangular flangecan be realized, the rectangular flanges with different specifications and sizes can be automatically spliced, the working efficiency is high, the size precision of the flange can be guaranteed, andthe labor intensity of workers is reduced.

The invention discloses a computer sales display stand comprising a base. The upper surface of the base is fixedly connected with a power box, the upper surface of the power box is fixedly connected with a driving motor, and the upper surface of the driving motor is fixedly connected with a supporting sleeve, the upper end of the supporting sleeve is fixedly connected with a display table, the bottom inner wall of the display table is movably connected with a hydraulic push rod, the upper end of the hydraulic push rod is movably connected with a movable rod, the upper end of the movable rod isrotatably connected with a rotating shaft, the upper surface of the rotating shaft is provided with a display box, the bottom of the display box is provided with a supporting plate, and the top of the display box is movably connected with a dust cover. The sales display stand has functions of dust prevention and focusing lighting, makes consumers pay more attention to a computer needing to sold,keeps a computer clean, and has a function of random lifting and rotation, thereby attracting consumers well and achieving the purpose of marketing.

The invention discloses a shuttle vehicle layer-changing elevator for a three-dimensional warehouse and a shuttle vehicle transportation device. The shuttle vehicle layer-changing elevator comprises athree-dimensional supporting frame and a vehicle carrying device used for carrying a shuttle vehicle. A lifting driving piece is arranged on the three-dimensional supporting frame, and the lifting driving piece is used for driving the vehicle carrying device to move in the vertical direction. The vehicle carrying device is located in the three-dimensional supporting frame and comprises a main frame structure and a rotatable vehicle carrying structure arranged in the main frame structure. The shuttle vehicle layer-changing elevator for the three-dimensional warehouse has the lifting and rotating functions at the same time, can be suitable for a bidirectional shuttle vehicle, matched three-dimensional goods shelves and roadways are easy to arrange, and the bidirectional shuttle vehicle cantransport goods between different height layers of the same three-dimensional goods shelf and between different three-dimensional goods shelves.

The invention discloses an X-ray tube with a cathode and an anode which have rotation functions. The X-ray tube comprises a cathode, an anode, a vacuum tube and a driving device, wherein the anode and the cathode are both arranged in the vacuum tube, the vacuum tube comprises a vacuum cover, a cathode fixing tube and an anode fixing tube, a driving device is arranged in each of the cathode fixing tube and the anode fixing tube and is connected with a coil, an anode handle of the anode is connected with the driving device by a rotation part, and a cathode root of the cathode is connected with the driving device. In the X-ray tube provided by the invention, the cathode and the anode both have the rotation functions, a target arranged in the anode is bombed through an electron beam generated by a tungsten filament of the cathode so as to high-efficiently generate X-ray, and the X-ray radiates outwards through an arbitrary protruding position; and moreover, the cathode and the anode simultaneously rotate, and the purpose of rotary radiation can be achieved. Therefore, the X-ray tube provided by the invention is simple in structure and high in working efficiency, is convenient to use, can operate in no need of labor consumption, and can be applied to various occasions of industrial X-ray machines.

The invention discloses an impact testing device of an automobile seat. The impact testing device of the automobile seat comprises a testing table, a stand column, a pendulum rod and a pendulum. The stand column is fixed on the testing table, the upper end of the pendulum rod is hinged on the upper portion of the stand column through a shaft, and the pendulum is fixed on the lower end of the stand column. The pendulum is formed by a pendulum body, a counterweight block, a stiffness adjustment mechanism and a punch mechanism. The stiffness adjustment mechanism is composed of a piston rod, a spring and a counterweight block, a step hole is arranged at the center of the pendulum body, a spring is arranged at the rear end of the step hole, the piston rod is arranged at the front end of the step hole and the front portion of the counterweight block is connected withthe rear end of the step hole in a threaded mode. The punch mechanism is formed by a ball head rod and a punch head, the rod portion of the ball head rod is connected inside the piston rod in a threaded mode, and the punch head and the ball head portion of the ball head rod form a rotating pair. The impact testing device of protecting board of automobile seat can simulate a comprehensive action effect of size, direction and acting time of the action force of a safe belt to a protecting board during a front impacting process.

The invention relates to a combined vehicle, combined units (1 and 2) and a combined connector (4) thereof. Either combined unit of the combined vehicle comprises a vehicle body frame and two wheels (6) respectively mounted in parallel on a left axle fixing plate and a right axle fixing plate of the vehicle body frame; and parallel transmission rods (14) with gears are mounted on a bearing frame (16) at the bottom of the vehicle body frame and drive flywheels or gears on the two wheels (6) to rotate by chain transmission. Connecting plates (7 and 8) for connecting with the combined connector (4) are respectively arranged in the front or/and at the rear of the vehicle body frame, and the combined connector (4) comprise a fixed connecting plate, a direction steering shaft capable of rotating relatively to the fixed connecting plate, an upper-and-down sliding shaft and a movable connecting plate capable of rotating around the upper-and-down sliding shaft. The combined connector can rapidly adopt a tread driving mode and a power driving mode of the combined vehicle formed by combining at least two combined units and is easy and economic, random to use, convenient to stop, suitable for city and countryside and convenient for the public to grasp.