87results about How to "Realize in and out" patented technology

The invention relates to a method for preparing a hollow mesoporous silicon dioxide ball with continuously-changing cavity diameter, which is characterized by specifically comprising the following steps: (1) dissolving 0.05 to 2 g of hexadecyl trimethyl ammonium bromide into 12 to 70 ml of ethanol to be stirred for 10 minutes to be dissolved fully, and adding 0.5 to 9 ml of ethyl orthosilicate for stirring fully; (2) preparing 0.01 to 0.4M of ammonia solution; (3) stirring the ammonia solution at a high speed, adding the mixed solution prepared in the step (1) into the ammonia solution quickly; stopping stirring after five minutes; and generating white floccule floating on the surface of the liquid, wherein the volume ratio of the mixed solution to the ammonia solution is 1:5-1:20; and (4) heating up the filtered white precipitate to 600 DEG C at a speed of 2 DEG C / min, and keeping the temperature for 1 hour to obtain the hollow mesoporous silicon dioxide ball.

The invention relates to a device for adjusting lifting of an aero seat. The device comprises a bracket, an adjustment mechanism and slide rails, wherein the adjustment mechanism comprises a drive motor, a housing, a gear, a clutch, a screw nut and a screw rod; the drive motor is fixedly mounted on the housing; the gear and the screw nut are mounted on the housing through bearings respectively; teeth are arranged outside the screw nut; a thread is arranged on the outer diameter of the screw rod; the screw rod is mounted on the screw nut in a matched way through the thread; an output gear of the drive motor is connected with the screw nut through the clutch and the gear; the screw rod is connected with the aero seat; the slide rails are fixed to the aero seat and matched with guide rails arranged on the bracket. The device is reasonable in structure, low in space requirement and reliable in work, can be used for finishing an adjustment function of the aero seat in a small space and manually adjusting the aero seat under the circumstance that the drive motor loses power, and can be operated by an aviator to enable the aviator to enter or exit from an aircraft and guarantee that the aviator escapes from an accident.

The invention discloses a controllable atmosphere protection device for laser rapid prototyping of titanium alloy parts. The device is composed of a rigid sealed box body and a flexible bag-type sealed cover. The rigid sealed box body is provided with an inflation port and an exhaust port. There are valves on the inflation port and the exhaust port respectively; during the pumping process of the device, the air in the cavity is drawn out along with the exhaust port, and the flexible bladder-type sealing cover will gradually seal with the inner wall and cavity of the rigid box under the action of negative pressure. The bottom is close to the inner wall and the bottom of the cavity of the rigid sealed box, so as to discharge all the air in the cavity; then close the valve on the suction port, open the valve on the inflation port to fill in the required protective gas, and in the process of filling the protective gas During the process, the flexible bladder sealing cover is raised and inflated accordingly, so that the required protective atmosphere is formed in the cavity; the thickness of the flexible bladder sealing cover is 0.1 mm to 100 mm; the thickness of the rigid sealing box is 0.5 mm ~ 2m.

The invention discloses an integrated sand core feeding and discharging device for a drying room, and relates to the technical field of cast molding core treatment. The device comprises more than two core storing channels which are formed in parallel, and flowing and rotating channels which are connected with core feeding channels, wherein two ends of each core storing channel are respectively connected with the core feeding channels and core discharging channels; the flowing and rotating channels are parallel to the core storing channels; the flowing and rotating channels, the core feeding channels, the core storing channels and the core discharging channels are the same in the structure and respectively comprise brackets; tracks are arranged on the brackets; sand core trays are arranged on the tracks; sand core tray jacking mechanisms are respectively arranged at the inlet ends of the flowing and rotating channels, the core feeding channels, the core storing channels and the core discharging channels; the sand core trays in which sand cores are placed are promoted by the sand core tray jacking mechanisms to sequentially enter the flowing and rotating channels, the core feeding channels and the core storing channels, then the sand cores are taken out from the core discharging channels, and the empty trays are pushed to the flowing and rotating channels. The device is simple in structure, convenient to operate and high in working efficiency, and can be used for guaranteeing the drying quality and lightening the working intensity of a worker.

The invention relates to an air detection device, an air sampling device and an air sampling method. The air sampling device comprises a housing, the top and the bottom of the housing are respectively provided with pores, a VOC sensor and a particle sampling unit are arranged in the housing and the VOC sensor is provided with a heating unit. The air detection device comprises the air sampling device and a signal processing device for computing a corresponding detection result according to the sampling result. The air sampling method is realized based on the air sampling device and comprises applying heating voltage for the VOC sensor so that the VOC sensor has a detection temperature, heating the VOC sensor and simultaneously carrying out thermal convection of air currents so that air enters into the housing by the pores and is respectively collected by the VOC sensor and the particle sampling unit. The air sampling device has a small volume and a low cost and realizes sampling of air particles and VOC.

The invention relates to an airplane electric seat horizontally adjusting device, which includes a shell, a drive motor, a speed reducer, slide rails, guide rails, a rack and a clutch, wherein an aero seat, the speed reducer and the guide rails are mounted on the shell; the slide rails and the rack are parallel and are mounted on the floor of an airplane cockpit; the drive motor is connected with an input gear of the speed reducer via the clutch; an output gear of the speed reducer is meshed with the rack mounted on the floor; the guide rails are mounted on the slide rails. Through the speed reducer and the gear and rack structure, the aero seat can be adjusted; in case of power failure of the drive motor, the aero seat can be manually adjusted via the clutch; therefore, an aviator can operate and get in and out of an aircraft, and can escape in an accident.

The invention provides an oxygen-free outburst-prevention green and efficient tunneling technology suitable for a gas-outburst coal road and belongs to the technical field of mining safety. The oxygen-free outburst-prevention green and efficient tunneling technology mainly relates to the outburst predicting and forecasting technique, an intrinsic-safety tunneling device, an intrinsic-safety transportation device, a noxious gas monitoring system, a dynamic variable-frequency gas drainage system, the inert gas blocking technique, and the accident emergency rescue technique. By the adoption of the oxygen-free outburst-prevention green and efficient tunneling technology suitable for the gas-outburst coal road, harm caused by coal and gas outburst accidents can be effectively controlled and eliminated, safe and efficient tunneling is achieved, asphyxia, fires and explosion caused by gas can be effectively avoided, the situation that people are injured by coal and rock flow can be prevented, life safety of personnel and equipment safety are guaranteed, gas emission is reduced, and environmental friendliness is achieved; meanwhile, production efficiency is improved, production cost is reduced, and economic benefit of enterprises are increased.

The invention relates to the detection technology of a nuclear reactor fuel rod, in particular to a pressurized water reactor nuclear fuel rod neutrongraphy detection device and detection method. The device comprises a nuclear fuel rod channel, a beam current channel and a conversion screen channel which are arranged on a shielding base, wherein the nuclear fuel rod channel is vertically arranged in the shielding base; an opening of the nuclear fuel rod channel is located at the top of the shielding base; the beam current channel is arranged in the shielding base along the direction of neutron beam current; an opening of the beam current channel is located on the side surface of the shielding base towards the neutron beam current; the beam current channel is communicated with the nuclear fuel rod channel; and the conversion screen channel is arranged in the shielding base along the direction vertical to the neutron beam current, and connected with the tail end of the beam current channel. Through the detection technology in the invention, the requirement of obtaining neutrongraphy detection imaging of the nuclear fuel rod through an indirect imaging method can be completely met.

The invention belongs to the technical field of textile, and especially discloses a textile air permeability detection device. The textile air permeability detection device is used for solving problems in the prior art that detection of conventional textile air permeability detection devices is inconvenient, and operation is complex. The textile air permeability detection device comprises a bottomplate; the top of the bottom plate is provided with a protective cover; a bottom platform which is fixedly connected with the bottom plate is arranged in the protective cover; the top part of the bottom platform is provided with a cylindrical air inlet channel; the bottom plate is provided with a gas inlet pipeline communicated with the cylindrical air inlet channel; a driving mechanism is arranged right above the bottom platform, and is fixedly connected with one side of the internal side wall of the protective cover; a placing bottom plate is arranged on the driving mechanism in parallel tothe bottom platform; the top of the placing bottom plate is provided with a butt joint channel designed to penetrate the placing bottom plate. The textile air permeability detection device is simplein structure; operation is convenient and rapid; cloth unloading is convenient and rapid; and effective cloth air permeability detection can be realized.

The invention discloses a rotating disc type compact disc library, and belongs to the technical field of compact disc libraries. The rotating disc type compact disc library comprises a shell, a disc frame, a compact disc driver, an external interface and a control device; a compact disc entrance / exit is formed in the shell; the disc frame is rotatably mounted on a central shaft; a plurality of storage grooves are radially formed in the top surface of the disc frame by taking the central shaft as a centre; the compact disc driver is arranged in the shell and can correspondingly communicate witheach storage groove; a first driving mechanism is arranged on the compact disc driver, and is used for moving the compact disc between a storage groove and the compact disc driver. The control devicehas command decoding and coding capacity, and can identify and inquire pre-accessed storage groove information, the information of the compact disc which is stored or taken out, and a network configuration command. The compact disc driver is built in; the compact disc library can be accessed and compact disc data can be read directly by accessing a network without taking out the compact disc; therotating disc type compact disc library is easy to operate and convenient to use; the external interface can be connected to a user terminal.

The invention discloses a silt-preventing function-based sediment overflow ballast tank, which comprises ballast tank spaces which are positioned at a board and a hull bottom and are communicated with each other, wherein a sediment tank with an enclosed lower part is independently isolated from the ballast tank space at the board; the upper part of the sediment tank is provided with upper through holes communicated with other spaces of the ballast tank and used for overflow; and one side of the bottom of the sediment tank is provided with a water inlet / outlet. The board of the ballast tank is provided with the independent sediment tank, so that silt can be controlled to be precipitated in the easily cleaned sediment tank as far as possible; and the fundamental watertight division is not changed, the silt-preventing function-based sediment overflow ballast tank is kept consistent with the conventional ballast tank, and the operating complexity of crew is not improved. By the silt-preventing function-based sediment overflow ballast tank, the working difficulty of cleaning the silt is reduced, and the potential safety hazard of a ship is reduced further.

The invention discloses an automatic foldable vehicle. The automatic foldable vehicle comprises a front handle frame, a foldable chassis and a foldable wheel frame, and is characterized in that a driving motor is arranged on the foldable chassis and connected with a telescopic arm, the telescopic arm is connected with a locking pin, the locking pin comprises a spring, the telescopic arm has a reserved travel distance where the locking pin is pulled out of a pin hole, and a connecting rod is arranged between the foldable chassis and the foldable wheel frame. By the application of the automatic foldable vehicle, one-key automatic folding and unfolding of the whole vehicle are achieved, and the automatic foldable vehicle is high in automation degree, rapid and convenient to use, small in size after the being folded in place, small in occupied space and convenient to carry, and saves labor.

The invention provides a bottom blowing reduction device. The bottom blowing reduction device comprises a furnace body, a feed port, a discharge port, a reduction gas inlet and a reduction gas outlet;the furnace body is transversely arranged, and forms a certain included angle with the horizontal direction; in the length direction of the furnace body, a gas cavity and a material cavity are formedin the furnace body; the gas cavity and the material cavity are separated by a porous plate; the feed port is formed in one higher end of the furnace body; and the reduction gas inlet and the reduction gas outlet both communicate with the gas cavity. The invention further provides a method for bottom blowing reduction by using the device; and materials to be reduced are fed in the material cavityfrom the feed port, slowly move downwards along the inclined furnace body under coaction of the gravity and the reduction gas, and are finally reduced and output from the discharge port. The method has no need to use a push rod or a conveying belt for driving a boat container to move, so that the boat container and a conveying device are omitted.

The invention discloses a modular disassembly construction method for a shield tunneling machine in a closed narrow space. The modular disassembly construction method comprises the steps that components of the shield tunneling machine are sequentially disassembled and placed on a tunnel transport vehicle, then the components are transported to a shield lower wellhead through the tunnel transport vehicle, and finally the components are hoisted out through a crane outside the shield lower wellhead. The modular disassembly construction method is suitable for the working condition that a reservedhoisting hole does not exist in the receiving end of a shield tunnel and the hoisting condition of the shield tunneling machine is not met, the disassembled components are placed on the tunnel transport vehicle, the tunnel transport vehicle drives the components of the shield tunneling machine to go back to the shield lower wellhead to be hoisted out, the technical problem and the safety problem of disassembly construction of the shield tunneling machine in the closed narrow space are solved, and the shield tunneling machine enters and exits from the same tunnel portal. The designed bending-moment-resistant guide beam movable type gantry crane for assisting in disassembly of the shield tunneling machine is used for assisting, a winch on the gantry crane can move within the range of transverse and longitudinal beams, the hoisting range is wide, and hoisting of the components of the shield tunneling machine can be met.

The invention relates to a heat-treatment flue-gas collecting device, in particular to an oil-quenching-tank flue-gas collecting device. The oil-quenching-tank flue-gas collecting device comprises atleast two cover bodies, wherein the cover bodies are of semi-shell structures, and cover the upper portion of an oil quenching tank; at least one cover body in the at least two cover bodies is a rotating cover body, and the rotating cover body can rotate at the upper portion of the oil quenching tank; the at least two cover bodies can form a closed shell through rotating of the rotating cover body, or form an in-out opening for a workpiece to pass in and out the oil quenching tank. By means of the oil-quenching-tank flue-gas collecting device, it can be achieved that the workpiece passes in and out the oil quenching tank all around, the limitation performance of operation space is smaller, and operation is more convenient; in addition, the oil-quenching-tank flue-gas collecting device is ingenious and simple in structural design, smaller in device occupied space and lower in acquisition cost.

The invention belongs to the technical field of semiconductor production and manufacturing, and particularly relates to a semiconductor wafer groove type cleaning machine which comprises a cleaning groove and a mechanical arm used for taking a flower basket into the cleaning groove. The mechanical arm comprises a mechanical claw, the flower basket is taken into the cleaning tank through the mechanical claw to be cleaned, and a guiding and positioning mechanism is arranged above the mechanical arm. According to the groove type cleaning machine for the semiconductor wafer, by arranging the speed change mechanism, when the moving speed of the mechanical arm needs to be adjusted, meshing teeth are driven by stretching out and drawing back of the first air cylinder to make meshing movement with the synchronous belt, the synchronous belt is driven, and the moving speed of the synchronous belt and the mechanical arm is adjusted at the same time; and the moving speed of the manipulator is controlled, and the manipulator after speed regulation has the effect of uniform and stable moving speed.

The invention discloses a double-safety die. The double-safety die comprises an upper die, a lower die, a die opening safety part, a die closing safety part, a top plate, side pulling blocks and a pulling rod, the upper end of the pulling rod is arranged on the top plate, and an obliquely-arranged limiting sliding rail is arranged at the lower end of the pulling rod; the side pulling blocks are arranged in the upper die in a sliding mode, a forming cavity is defined by the side pulling blocks, the upper die and the lower die, and the ends, away from the forming cavity, of the side pulling blocks are arranged in the limiting sliding rail in a sliding mode; the top plate is movably arranged on the upper portion of the upper die in the up-down direction, and the side pulling blocks can be forced to slide in and out of the forming cavity by moving the top plate up and down; and the die opening safety part is arranged between the upper die and the lower die, and the die closing safety partis arranged between the top plate and the upper die. All the side pulling blocks can be controlled to achieve core pulling and core feeding at the same time by moving the top plate up and down, the upper die and the lower die are locked through the die opening safety part before core pulling, core feeding is limited through the die closing safety part before die closing, and the double-safety dieis simple in structure, reasonable in layout, low in cost, and convenient to install and control and has small requirement for an air cylinder.

The invention discloses high-accuracy paper printing equipment. The high-accuracy paper printing equipment comprises a plurality of constant-temperature moisturizing boxes, printing components and printing paper, wherein each constant-temperature moisturizing box is of a cylindrical structure, and mainly comprises a housing and a plurality of rolling shafts which are uniformly distributed in the housing; a plurality of through grooves are arranged in the sidewall of the housing along a central axis direction, and a cylindrical bar is arranged on the sidewalls of the two ends of each through groove along the central axis direction of the housing respectively; each printing component comprises an impression roller, a printing plate roller, an ink container, an ink foundation roll, an anilox roll and a scraping plate which are arranged outside the corresponding constant-temperature moisturizing box; and the printing paper is provided with an input end, and the middle part is sequentially wound on the rolling shafts, guide rods and the impression rollers. According to the high-accuracy paper printing equipment disclosed by the invention, constant-temperature moisturizing devices are additionally arranged in traditional printing equipment and used for adjusting the temperature and humidity of the surface of the paper in a short time, thus achieving an accuracy requirement of printing.

The invention discloses a new energy car seat with a built-in trash can, comprising a seat and a seat back, the bottom end of the seat back is fixedly connected with the upper surface of the seat, and the upper surface of the seat is provided with cotton pad, the front of the chair back is provided with a first groove, a second groove and a third groove, the first groove communicates with the second groove, and the second groove communicates with the third groove The upper surface and the lower surface of the inner wall of the first groove are respectively fixedly connected with the top end and the bottom end of the rotating shaft, the surface of the rotating shaft is sleeved with a bearing, and the surface of the bearing is fixedly connected with a rotating rod. The new energy car seat with a built-in trash can fixes the position of the trash can body by installing the trash can body inside the back of the seat, making it easy for people to find the trash can body, thus bringing more convenience to people when throwing garbage. It is very convenient, saves the space inside the car, and facilitates people's travel.

The invention provides a PCR reaction device. According to the PCR reaction device, a first through hole and a second through hole are formed in a semi-closed channel to realize communication between the PCR reaction device and outside, wherein a reaction system can enter a PCR reaction tube through one of the through holes; the other through hole through which the reaction system does not pass realizes inside-outside gas pressure balance, under a semi-closed state, of the PCR reaction device, so that connection between the PCR reaction device and a reaction device at the front end and conveying of the reaction system are realized. The invention further provides a using method of the PCR reaction device. After a tubular body enters the semi-closed channel, a closing head is pressed to realize charging and discharging of the tubular body, so that the through holes are closed and opened by the tubular body, and therefore, a closing process of the PCR reaction device is simplified; and the closing of the PCR reaction device can be easily realized in manual and mechanical ways. The PCR reaction device provided by the invention is simple in structure, is easy in preparation, can effectively realize semi-closing of the PCR reaction device, is simple and convenient in operation process, and is easy to implement.

The invention discloses a sterile liquid medicine package which comprises a self-resetting bottle and a combined bottle plug system mounted on the upper portion of the self-resetting bottle. The self-resetting bottle is filled with the sterile liquid medicine, the combined bottle plug system comprises a fastener bottle plug shell, a filter device and a liquid medicine channel one-way valve, the fastener bottle plug shell is fixedly mounted at a self-resetting bottle opening, the filter device and the liquid medicine channel one-way valve are mounted in the fastener bottle plug shell, the filter device is provided with a liquid medicine channel and an air filter channel, the fastener bottle plug shell is provided with an air channel inlet communicated with the air filter channel, and the liquid medicine channel one-way valve is mounted in the liquid medicine channel of the filter device and used for controlling sterile liquid medicine to be ejected towards the outside from the inside ofthe self-resetting bottle and cannot inhale from the outside. The package is provided with the filter device and solves the problem that liquid medicine in a package system contacts with common environmental air, and the air entering the package system reaches a sterile level.

The invention relates to a barrel type tobacco package storage device and belongs to the technical field of object or material packaging machines, devices or equipment provided with buffer storage units. The barrel type tobacco package storage device comprises a barrel body of the barrel type tobacco package storage device. A rotary disc set provided with a transmission mechanism is mounted in the barrel body. A series of tobacco storage units diverged radially are fixed to the rotary disc set and distributed on a plurality of concentric circles with the circle center of the rotary disc set as the circle center. The tobacco storage units are of a tubular structure, one ends of the tobacco storage units are closed, blow holes are reserved in the surfaces of the closed ends, and high-pressure gas is injected into the blow holes. According to the barrel type tobacco package storage device, the multiple circles and layers of tobacco storage units are arranged in the barrel body, the limited space is fully and reasonably utilized so that massive tobacco packages can be stored, and the phenomena such as tobacco stacking are avoided. The device adopts the mode that the tobacco packages can be discharged by blowing the gas, so that the whole device is simple in structure, and no extra matched tobacco package discharging device is needed for coordinate operation.

The invention relates to a lifting oil cylinder with a buffer structure. The lifting oil cylinder comprises a cylinder barrel, a cylinder bottom, a cylinder cover, a plunger rod and a plunger. According to the improvement, a three-stage step hole serves as a center oil hole of the cylinder bottom and comprises a buffer sleeve hole, a buffer column hole and a center oil hole which are communicatedin sequence; a buffer sleeve is arranged in the buffer sleeve hole, and an oil return hole is formed in the buffer sleeve; an outwards-protruding buffer column is arranged at the rod end of the plunger rod, and the buffer column and an inner hole of the buffer sleeve are in movable fit; four or more plunger grooves are formed in the outer circumference of the plunger; and when a buffer function isachieved during work, the plunger rod moves towards one side of the cylinder bottom, the buffer column gradually stretches into the buffer column hole through the buffer sleeve, a small gap is formedbetween the cylindrical face of the buffer column and the inner hole of the buffer sleeve, most oil flows back to an oil tank through the oil return hole in the buffer sleeve, and buffer is formed. During work, when entering oil ascends, part of hydraulic oil directly acts on the bottom of the buffer column, part of hydraulic oil enters the cylinder barrel through 6 oil grooves around the buffersleeve, ascending fast responding is achieved, pressure losses are small, and oil temperature is prevented from being increased.

The invention relates to the technical field of waste gas treatment equipment, in particular to a semiconductor waste gas treatment equipment reaction cavity support. The semiconductor waste gas treatment equipment reaction cavity support comprises an installing plate and a bearing plate, the bearing plate is fixedly welded to the outer side wall of a cavity body of a reaction cavity, the bearingplate comprises an arc-shaped plate welded to the outer side wall of the cavity body of the reaction cavity, and connecting plates are integrally arranged at the upper and lower ends of the arc-shapedplate and are connected with arms through bolts arranged in a through manner. The semiconductor waste gas treatment equipment reaction cavity support has the beneficial effects that the rotating angle can reach 300 degrees, and the cavity body can completely enters and exists from a machine table; touch with other parts of the machine table can be easily avoided, and damage to the parts is avoided; and a plastic liner is installed, so that the cavity body is rotated more easily and freely. By means of the device, connection through a lock pin is achieved, and dismounting and mounting are facilitated. The cavity body can be moved up and down more easily, and the aim of conveniently dismounting and mounting the cavity body is achieved. The device is firm in structure, safe, reliable, capable of achieving operation by one person and capable of saving manpower.

The invention discloses an odontoscope device for dual purposes of cleaning and inspecting in a stomatology department. The device comprises a handle base, an odontoscope mounting shell, a first groove, a second groove, an odontoscope wiping device, a shell and a water outlet pipeline, wherein the handle base is arranged on the lower portion of the odontoscope mounting shell, the shell is providedwith the first groove and the second groove, the first groove and the second groove has a same specification, and are arranged in parallel, the odontoscope wiping device is arranged in the shell, thewater outlet pipeline is arranged on the bottom of the shell, the water outlet pipeline penetrates through the shell, and the odontoscope wiping device is communicated with the water outlet pipeline.According to odontoscope device for the dual purposes of cleaning and inspecting in the stomatology department, the wiping of the odontoscope is achieved and the water wiped from the odontoscope aredrained under the combined action of a first gear, second gear, third gear, toothed strip, telescopic fog output pipeline, sponge and other structures.

The invention discloses gas-liquid flow dividing sterile drug liquid packaging. The packaging comprises a self-resetting bottle body and a combined bottle plug system installed on the self-resetting bottle body, the self-resetting bottle body is used for containing sterile drug liquid, and the combined bottle plug system comprises a buckle bottle plug shell body used for making the self-resettingbottle body fixedly installed; a filter device is provided with a drug liquid passage and an air filter passage, an air passage inlet communicated with the air filter passage is formed in the buckle bottle plug shell body, a drug liquid passage one-way valve is installed inside the drug liquid passage of the filter device, and the drug liquid passage one-way valve is used for controlling the sterile drug liquid to be sprayed from the self-resetting bottle body to the outside and cannot suck from the outside. The arranged filter passage solves the problem of the contact between the drug liquidinside a packaging system and the general ambient air, and the air entering into the packaging system reaches a sterile grade.

The invention provides an intensively stacked orifice plate vertical face inclined axis driving input and output device of a distribution instrument, and belongs to the technical field of medium distribution equipment. The device comprises a base, a driver, an orifice plate box, a first supporting block, a second supporting block, a first driving shaft, a second driving shaft, a first driven shaft, a second driven shaft, a first transmission mechanism, a second transmission mechanism, a third transmission mechanism and a fourth transmission mechanism. The orifice plate input and output functions can be comprehensively achieved by the adoption of the driver, a vertical face inclined axis driving transmission mechanism, the two supporting blocks, the orifice plate box and the like. The driver drives the first supporting block and the second supporting block to work together through the transmission mechanisms to achieve input and output of orifice plates in the bottom layer. The device is used in the medium distribution instrument, is good in compatibility and can be used for operating the orifice plates of different specifications. The mechanical structure is simple, requirements for machining precision and installation precision are low, only one driver is needed, a control system is simple, the orifice plates are tightly stacked in the orifice plate box, and the utilization rate of space is high.

The invention discloses a reaction cup incubator with a manipulator. The reaction cup incubator comprises an enclosed incubator apparatus, a cup propulsion manipulator apparatus, a cup pull-out manipulator and a protective cover, the incubator apparatus includes a housing, an incubation heating module, a motor, and an optical axis slide rail, a position detecting device is fixed on the left and right side plates of the housing, the cup propulsion manipulator apparatus and a cup pull-out manipulator are fixed above the housing, the incubation heating module moves along the optical axis slide rail in the incubator apparatus under the driving of the motor, Compared with the prior art, the incubator provided by the invention adopts an up-and-down heating method, the temperature at each point in the incubation chamber is constant, the accuracy of each test is ensured, the incubator apparatus is kept in dark place and is isolated, and the motor drives the movement of the incubation heating module and cooperates with the manipulator structure to realize the cup feeding in and out of the incubator apparatus.

The invention relates to the detection technology of a nuclear reactor fuel rod, in particular to a pressurized water reactor nuclear fuel rod neutrongraphy detection device and detection method. The device comprises a nuclear fuel rod channel, a beam current channel and a conversion screen channel which are arranged on a shielding base, wherein the nuclear fuel rod channel is vertically arranged in the shielding base; an opening of the nuclear fuel rod channel is located at the top of the shielding base; the beam current channel is arranged in the shielding base along the direction of neutron beam current; an opening of the beam current channel is located on the side surface of the shielding base towards the neutron beam current; the beam current channel is communicated with the nuclear fuel rod channel; and the conversion screen channel is arranged in the shielding base along the direction vertical to the neutron beam current, and connected with the tail end of the beam current channel. Through the detection technology in the invention, the requirement of obtaining neutrongraphy detection imaging of the nuclear fuel rod through an indirect imaging method can be completely met.

The invention relates to a magnetic-lifting electric caldron. The magnetic-lifting electric caldron comprises an outer pot and an inner pot connected with the outer pot through a magnetic-lifting mechanism and is characterized in that the inner pot is located in the outer pot, and the magnetic-lifting mechanism comprises a first magnetic device arranged at the bottom of the outer pot and a secondmagnetic device arranged at the bottom of the inner pot. The magnetic-lifting electric caldron has the advantages that the inner pot is allowed to move vertically in the outer pot by the aid of a magnetic effect, lifting device exposure is avoided, a complex mechanical structure is omitted by using magnetic force to drive the inner pot to move vertically, and demounting and washing are facilitated.