8587 results about "Annular array" patented technology

The invention discloses a target positioning method and system based on a single reference station, and relates to the field of wireless positioning, and the method comprises the steps: generating vortex electromagnetic waves carrying orbital angular momentum based on a transmitting end of a reference station, and generating a time-varying phase modulation transmitting signal and a metasurface time-varying coding sequence through a programmable metasurface; a time-varying phase modulation emission signal forms a multipath superposition effect in a propagation environment, a receiving end obtains a mixed signal of a direct wave and a reflected wave, and the receiving end carries out OAM mode separation on the mixed signal of the direct wave and the reflected wave through a spiral phase plate and an annular array to obtain signal components in different modes; and based on the signal component and the metasurface time-varying coding sequence, reconstructing an equivalent virtual array response by adopting a compressed sensing algorithm. According to the invention, the orbital angular momentum modal separation technology and the metasurface dynamic coding technology are creatively fused, and high-precision real-time direction finding in a complex multi-path environment is realized under a single base station architecture.

A placing seat is fixed to the upper portion of a base through a plurality of supporting columns in a suspended mode, a plurality of linear sliding grooves distributed in an annular array mode are formed in the placing seat, and an inner supporting piece and an outer pressing piece are installed in each linear sliding groove; a clamping push plate is connected between the multiple supporting columns in an up-down sliding and sleeving mode, a plurality of pushing pieces are installed on the clamping push plate, the pushing pieces are in sliding connection with the inner supporting piece and the outer pressing piece, and a plurality of position adjusting mechanisms distributed in an annular array are installed below the containing base in a sliding mode; a plurality of inner supporting pieces and outer pressing pieces which are distributed in an annular array mode are arranged above the containing base, two positioning rollers on the inner supporting pieces and the outer pressing pieces can synchronously move in the opposite directions from the inner side and the outer side, the inner wall and the outer wall of a workpiece are clamped at the same time, clamping force appears in pairs, radial force is offset, the workpiece mainly bears uniform centripetal force, and the deformation risk is greatly reduced.

The invention belongs to the technical field of power transmission lines, and discloses a power transmission line icing breaking device, which comprises an annular shell, the outer surface of the annular shell is provided with mounting holes distributed in an annular array, the inner walls of the mounting holes are provided with knocking icing breaking mechanisms, and the knocking icing breaking mechanisms comprise movable pipes. According to the deicing device for the power transmission line, by arranging the knocking ice-breaking mechanism, reciprocating knocking on the ice layer on the surface of the power transmission line is achieved, the ice layer surrounding the power transmission line is broken, shoveling during subsequent rotation is facilitated, and the deicing device for the power transmission line is convenient to use. The deicing device has the advantages that the knocking distance of an ice layer is adjusted, the power transmission line is prevented from being damaged, the deicing device is suitable for power transmission lines of different diameters, potential safety hazards of manual operation are eliminated through automatic deicing, the deicing efficiency is improved, and the deicing cost is reduced.

The invention discloses a dimming method of a multifunctional mining lamp and related equipment. The method comprises the following steps: obtaining original illumination data and generating a panoramic illumination distribution diagram by sequentially lightening and controlling LEDs; performing polar coordinate system conversion and partition extraction on the illumination distribution diagram to obtain light spot deformation characteristics and brightness fluctuation characteristics, and calculating illumination transition continuity parameters; calculating an LED influence degree weight value according to a time sequence change rule of the feature data, and performing partition clustering; calculating a compensation parameter based on the initial parameter of the LED in each partition and generating a compensation sequence; and carrying out grading adjustment and dynamic correction on the LED according to the compensation sequence. According to the technical scheme, the mapping relation between the magnetic field interference and the LED luminous intensity fluctuation is established by analyzing the light spot distribution characteristics of the working plane, the spatial distribution characteristics of the annular LED array are combined, the partition dynamic compensation strategy is adopted, the problem of uneven illumination of the LED mining lamp in the high-intensity magnetic field environment is effectively solved, and the working efficiency is improved. And the lighting effect and the monitoring quality of an industrial site are improved.

The invention discloses an automatic soil moisture content detection method and system, a storage medium and a program product, and relates to the field of testing or analyzing materials by means of measuring chemical or physical properties of the materials.In the method, soil conductivity signals at the same depth are constructed into a closed-loop data sequence, and gradient values are calculated; identifying a local abnormal region according to the gradient value distribution characteristics in the annular array with the same depth; establishing a soil moisture permeation path based on the spatial distribution of the local abnormal region; dividing the time domain reflection sensors corresponding to the same soil moisture permeation path into the same group; determining a corrected soil conductivity signal; calculating the moisture permeation rate of each group of time domain reflection sensors; performing space-time weighted correction on the corrected soil conductivity signal according to the moisture permeation rate to obtain a target soil conductivity signal; and converting the target soil conductivity signal into the soil moisture content, and generating comprehensive soil moisture content data. The soil moisture content detection accuracy is improved.

The invention discloses a turning machine tool for continuous machining, and belongs to the technical field of turning machine tools, the turning machine tool comprises a machine tool body, a spindle box is arranged on the machine tool body, a rotating assembly used for clamping a plurality of workpieces is connected to the spindle box, the workpieces are arranged in an annular array, and a connecting assembly is sleeved with the output end of the spindle box. According to the lathe, the multiple workpieces to be machined are turned under the same machining condition, the consistency of the machining size, the shape and the surface quality can be guaranteed, when the multiple workpieces to be machined are continuously machined, the temperature of the lathe body and the temperature of the chuck are relatively stable, and the machining efficiency is improved. And the influence of thermal deformation caused by temperature change on the machining precision is reduced, and the operation frequency and the working intensity of operators can be reduced through batch clamping and unloading, so that the labor cost is reduced, the operators can complete more machining tasks in a shorter time, and the labor productivity is improved.

The invention provides a conveying platform for internal parts of a compact fusion reactor and a using method of the conveying platform, and belongs to the field of transportation of the internal parts of the fusion reactor. Vacuum outdoor transportation parts of the conveying platform comprise a supporting steel frame assembly, a transportation track assembly, a transportation trolley assembly and a mobile crane assembly, and the supporting steel frame assembly comprises a cage-shaped steel frame; one section of the transportation track assembly is straightly installed in the building channel, the other sections of the transportation track assembly are straightly located in the cage-shaped steel frame and extend to a window in the vacuum chamber, and the movable crane assembly and the transportation trolley are sequentially located on the transportation track assembly. The cable-stayed hanger rail component comprises cable-stayed rods, a bearing steel beam and an annular hanger rail, the cable-stayed rods are installed at the upper end of the regular polygon-shaped frame in an annular array mode, one end of each cable-stayed rod is connected with the upper window collar of the vacuum chamber, and the other end of each cable-stayed rod is connected with the bearing steel beam of the frame. According to the invention, after internal parts on the equatorial plane of the vacuum chamber are quickly conveyed, the internal parts can be conveyed through simple adjustment.

The utility model relates to the technical field of polycondensation kettles, in particular to a polycondensation kettle with a cleaning function, which comprises a kettle body and a scraping mechanism arranged on the inner side of the kettle body to scrape and sweep the inner wall of the kettle body. The triangular plate is arranged at the bottom of the scraping ring so as to move along the inner wall of the kettle body when the scraping ring moves up and down to clean the bottom of the scraping ring; the arc grooves are formed in the inner wall of the kettle body in an annular array manner so as to control the moving track of the triangular plate; the motor is adopted to drive the screw rod to rotate, so that the screw rod drives the scraping ring to move up and down to clean the inner wall of the kettle body under the action of threads of the scraping ring, and meanwhile, the inclined block drives the triangular plate and the inner scraping plate to rotate and move along the bottom and the inner side of the scraping ring in the up-and-down moving process of the scraping ring under the resisting action of the inclined block and the sliding groove; and the materials on the surface of the scraping ring are scraped off, the materials are prevented from being accumulated on the surface of the scraping assembly, and the cleaning effect is improved.

A cartridge for dissociating tissue, comprising: a processing chamber comprising a stator, a side wall, a top orifice, and a first processing chamber port positioned in the side wall; and a grinder assembly comprising a plunger comprising a rotor, a grinder assembly slidably positioned in the processing chamber through the top orifice; wherein: the stator comprises a plurality of teeth arranged in a spaced-apart array of rings; and the rotor comprises one or more central teeth and a plurality of teeth arranged in a spaced-apart array of rings, wherein one ring of teeth is positioned at or substantially at a circumference of the rotor; wherein the rings in the stator and the rings in the rotor are positioned such that when the rotor contacts the stator, rings of teeth in the stator mesh with the one or more central teeth and rings of teeth in the rotor

The utility model provides a stator assembly and a disc type motor, the stator assembly comprises a stator assembly, a winding assembly and an insulation assembly, and the stator assembly comprises a plurality of stator teeth in an annular array; the winding assembly comprises a coil which is independently wound on the periphery of each stator tooth; the insulation assembly comprises an axial insulation part and a radial insulation part, the axial insulation part is arranged on the stator teeth in a sleeving mode and attached to the axial end face of the coil, and the radial insulation part is attached to the radial surface of the stator teeth so as to insulate the inner side surface of the coil from making contact with the stator teeth. According to the coil framework, the axial insulating part and the radial insulating part are combined and can be separated, interference of the axial insulating part on assembling of the preformed coil is effectively avoided, and compared with a coil framework in the prior art, the design scheme improves flexibility and efficiency of coil installation while maintaining insulating performance.

The invention discloses a wrapping machine for photoelectric hybrid cable production, and relates to the technical field of wrapping devices.The wrapping machine is characterized in that a wire inlet frame is arranged on one side of a base, a wire inlet hole for wire inlet is formed in the wire inlet frame, a wire guiding frame is installed in the middle of the base, a wire guiding pipe is arranged on the wire guiding frame, and a wire winding frame is arranged at the other end, away from the wire guiding frame, of the base; the wire inlet frame is provided with a wrapping disc, a worm is connected to a center shaft of the wrapping disc, a wire leading pipe is arranged at the center shaft of the wrapping disc, a plurality of fixing plates are arranged on the wrapping disc in an annular array mode, worm wheels are rotationally connected into the fixing plates, a connecting plate is arranged on one side of each worm wheel, a wrapping cylinder is connected to the end, away from the corresponding worm wheel, of each connecting plate, and the wrapping cylinders are rotationally connected with the connecting plates; the device solves the problems that in the prior art, threaded holes are inconvenient to fix, the wrapping angle is inconvenient to adjust, a wrapping tape cannot be wound according to a fixed angle, different threaded holes need to be formed for angle adjustment, the time cost is large, and the overall photoelectric hybrid cable wrapping efficiency is affected.

The invention discloses a fan blade safety monitoring device, solves the problem that the measurement precision of the azimuth angle and the distance of a blade tip is limited to a certain extent due to weak reflection echo of a millimeter wave radar, and belongs to the technical field of safety monitoring and intelligent detection of new energy equipment. The system comprises an antenna, a passive electronic tag and a main control module. The passive electronic tag is attached to a to-be-monitored part of a fan blade and is used for reflecting the modulated electromagnetic wave signal after receiving the modulated electromagnetic wave signal; the antenna transmits a modulation electromagnetic wave signal to the passive electronic tag, and is also used for receiving a modulation signal reflected by the passive electronic tag and transmitting the modulation signal to the main control module; and the main control module controls the antenna to send a modulation electromagnetic wave signal, calculates a clearance distance and / or a vibration characteristic parameter in combination with a modulation signal reflected by the passive electronic tag, and carries out safety monitoring on the fan blade according to the clearance distance and / or the vibration characteristic parameter. An annular array millimeter wave radar can be selected as the antenna. According to the invention, the fan blade can be accurately monitored.

The present disclosure discloses a silent high-speed fan, including a shell; an air duct is formed on the shell; an air inlet and an air outlet are respectively provided at two ends of the air duct; a boosting mechanism is arranged in the air duct; a rectification mechanism is arranged at the air outlet; the rectification mechanism includes a necking hood that covers the air outlet and a rectification blade group composed of a plurality of rectification blades arranged coaxially on an inner side of the necking hood in an annular array. The present disclosure controls the details in an air flow stroke, so that the turbulence is eliminated step by step, and the turbulence is eliminated at the source, to achieve an effect of silently blowing air at a high speed.

The invention relates to the technical field of laser cutting, and discloses stainless steel fire extinguisher bottle laser notching equipment and a pressure-resistant stainless steel fire extinguisher bottle. The stainless steel fire extinguisher bottle laser notching equipment comprises a machine tool, a support arranged at the top of a working table top of the machine tool, and an air supply mechanism arranged on a mechanical arm of the machine tool; the adjusting mechanism is arranged in the air supply mechanism; the air supply mechanism comprises a shell arranged on the mechanical arm, a laser arranged at the top of the shell, a partition plate arranged in the shell, a rotating block arranged at the bottom of the laser, a three-way hole formed in the top of the rotating block, three air pipes arranged at the top of the shell in an annular array mode and branch pipes arranged at the bottoms of the air pipes. By arranging the gas supply mechanism and the adjusting mechanism, the laser cutting equipment can quickly switch different auxiliary gases, the cutting efficiency and flexibility are improved, and switching of the inner hole of the nozzle is achieved so as to adapt to different machining requirements.

The invention discloses a method for jointly detecting corrosion defects of a pressure pipeline by utilizing multiple guided wave modes, relates to an ultrasonic non-destructive testing technology, and is used for solving the problem that the accuracy is relatively low when a single guided wave mode is used for detecting. The method for detecting the corrosion defect of the pressure pipeline comprises the following steps: calculating ultrasonic guided wave dispersion data of the pressure pipeline, and determining the center frequency of a transducer according to the dispersion data; the method comprises the following steps: arranging ultrasonic transducer annular arrays on two sides of a to-be-detected pressure pipeline, and acquiring ultrasonic guided wave data detected by the pressure pipeline in an L (0, 1) mode and a T (0, 2) mode; preprocessing the array waveform data to obtain detection data which can be used for guided wave imaging; according to the L (0, 1) mode guided wave data, a full waveform inversion method is adopted to invert the wall thickness of the pipeline corrosion defect; judging whether the pipeline defect exceeds the detection depth range of the T (0, 2) mode, and if the pipeline defect exceeds the detection depth range, ending; and if not, inverting the wall thickness of the pipeline corrosion defect by adopting a full-waveform inversion method according to the T (0, 2) mode guided wave data.

The invention discloses a high-pressure sterilization device for food processing, and belongs to the technical field of food processing.The high-pressure sterilization device comprises a high-pressure sterilization tank and a tank cover installed at the top end of the high-pressure sterilization tank, and a food sterilization bearing mechanism used for loading food to be processed is arranged in an inner cavity of the high-pressure sterilization tank; the food sterilization bearing mechanism comprises two wheel discs which are symmetrically connected and spaced, a plurality of multi-directional rotating assemblies movably installed between the two wheel discs in an annular array mode and a sterilization basket, food to be processed is contained in the sterilization basket, and a U-shaped supporting frame is rotationally installed and supported on the lower portions of the outer sides of the two wheel discs; a second servo motor is installed on the outer wall of one side of the U-shaped supporting frame, an output shaft of the second servo motor penetrates through the U-shaped supporting frame and is fixedly connected with the wheel disc, and a lifting mechanism is arranged between the bottom face of the U-shaped supporting frame and the inner bottom wall of the high-pressure sterilization tank. The contact area of food and steam is increased, so that the sterilization effect is improved.

The artificial fish nest comprises a base and incubation plates which are arranged on the base and used for spawning, two side plates are installed on the base, a plurality of supporting pipes which are arranged from top to bottom are fixedly installed between the two side plates, the incubation plates are symmetrically arranged relative to the supporting pipes, and the incubation plates are fixedly installed on the base. The incubation device comprises an incubation plate, the edge of the incubation plate is connected with a sleeve, the sleeve is rotationally arranged on a supporting pipe in a sleeving mode, penetrating grooves are further formed in the position, overlapped with the sleeve, of the supporting pipe in an annular array mode, meshing teeth are slidably arranged in the penetrating grooves, and inner tooth grooves matched with the meshing teeth are formed in the inner wall of the sleeve. When the meshing teeth are meshed with the inner tooth grooves in the inner walls of the sleeves, the sleeves and the hatching plates can be limited, stability of the hatching plates is kept, and when the meshing teeth retract into the penetrating grooves, limitation can be released, the angles of the hatching plates can be conveniently adjusted, and water flow among the hatching plates can be conveniently kept smooth.

The invention discloses a sampling device for engineering geological survey, which is used for solving the problems that the sampling device is low in sampling efficiency and cannot obtain a plurality of samples at one time, and relates to the field of geological survey, the sampling device comprises a drilling barrel for drilling, a sampling mechanism is arranged in the drilling barrel, and the sampling mechanism comprises a sampling disc; the sampling disc is provided with at least two pipe seats which are distributed in an annular array, the pipe seats are used for installing sampling pipes, each sampling pipe is composed of an outer pipe and an inner pipe, a driving part is arranged on one side of each outer pipe and used for driving the corresponding inner pipe to move in the axial direction of the outer pipe, the sampling disc is connected with the first rotating part, and at least one sampling hole is formed in the drilling cylinder; through cooperation of the sampling mechanism, the rotary sampling disc and the multiple independent sampling pipes, the sampling pipes can be triggered to sequentially stretch out of the sampling holes at different depths by one-time drilling of the drilling barrel, continuous layered sample collection and single-time or multi-time sampling at the same position are achieved, sampling pipe replacement or secondary drilling in the midway is not needed, and the sampling efficiency is improved. And the sampling efficiency, accuracy and diversity are improved.

The utility model relates to the technical field of welding pipe devices, and in particular to a rapid cooling device for a welding pipe machine. Its technical solution includes a side ring, a welding machine, a motor, a second sleeve ring, a welding gun and a screw. The outer wall of the side ring is provided with support rods distributed in an annular array, and the support rod is provided with a first sleeve ring and a second sleeve ring. The first sleeve ring is provided with a screw hole, and a screw is rotatably inserted in the screw hole. A clamping block is provided at the lower end of the screw. A motor is provided between the support rods. The outer side of the second sleeve ring is connected to a ring seat, and the inside of the ring seat is respectively penetrated by a first sleeve ring and a second sleeve ring. A conveying pipe is inserted in the first sleeve ring, and a nozzle is provided at one end of the conveying pipe, and a welding gun is inserted in the second sleeve ring. The utility model uses the self-rotating second sleeve ring to perform annular self-propelled welding on the clamped pipe, and the end face after welding is cooled by the automatically transported cold medium, which solves the problem of slow natural cooling and reduced welding surface quality.

The invention relates to the technical field of reaction kettles, and discloses a reaction kettle device for synthesizing benzohydroxamic acid, the reaction kettle device comprises a reaction kettle body and a stirring structure arranged at the top of the reaction kettle body, a discharging pipe is arranged at the discharging end of the reaction kettle body, and supporting legs are arranged on the outer wall of the bottom of the reaction kettle body; three mounting plates distributed in an annular array are fixedly mounted on the inner wall of the reaction kettle body, a driving screw rod is rotationally mounted on the top surface of each mounting plate, the top end of each driving screw rod penetrates through the top surface of the reaction kettle body, and a guide frame is in threaded connection with the outer wall of each driving screw rod; when the feeding cylinder rotates, the transmission shaft is in intermittent contact with the protruding block, negative pressure adsorption and quantitative discharge of auxiliary materials are achieved through vertical sliding of the piston plate and cooperation of the one-way valve, it is guaranteed that raw materials can be accurately injected according to needs through the structural design, errors caused by manual control adding are avoided, the accuracy of the reaction proportion is guaranteed, and the production efficiency is improved. And the product quality stability can be improved.

The utility model belongs to the technical field of ball valves, and particularly relates to a ball body of a ball valve, which comprises a ball body, a flow channel hole for fluid to pass through is arranged in the center of the ball body, one end of the flow channel hole is an inlet end, the other end of the flow channel hole is an outlet end, and a plurality of spiral rifling grooves are arranged on the inner wall of the flow channel hole in an annular array mode. A plurality of groups of defoaming channels are formed in the spiral rifling groove, one end, close to the direction of the inlet end, of each defoaming channel is an inlet, the other end of each defoaming channel is an outlet, the hole diameter of each outlet is smaller than that of each inlet, and the hole diameters of the inlets and the outlets in the groups of defoaming channels from the inlet end to the outlet end tend to be gradually reduced. The shape and the layout of the spiral rifling groove can improve the flowing stability of the fluid, and the defoaming channel shrinks and crushes large bubbles in the fluid step by step to enable the large bubbles to be dissolved in the liquid, so that the detection precision of the metering equipment on the fluid flow is improved, and the quality of subsequent chemical preparations or liquid blending is guaranteed.

The invention provides a high-precision mute bearing for an industrial robot, which is suitable for the technical field of bearings and comprises a steel ball frame assembly, and the steel ball frame assembly comprises a steel ball retainer and steel balls; the steel ball retainer comprises a positioning ring structure and a plurality of unit steel ball retainers, and the unit steel ball retainers are distributed on the positioning ring structure in an annular array; the steel balls are correspondingly and rotationally assembled on the unit steel ball retainers; the positioning ring structure comprises a positioning ring, a plurality of adjusting grooves are formed in the positioning ring, and the unit steel ball retainers are slidably mounted in the adjusting grooves in a one-to-one correspondence manner; the unit steel ball retainers finish the distance adjustment among the plurality of unit steel ball retainers through the positions of the telescopic structures arranged on the unit steel ball retainers in the adjusting grooves, and are used for adjusting the structures to adapt to the supporting strength; an adaptive adjusting structure adapts to the supporting strength, the bearing is prevented from being damaged easily, and the service life is prolonged; and the structure is switched timely for rotating use and hovering, and the structure is adjusted flexibly and reasonably according to force bearing points.

The invention discloses a tool for a toroidal field magnet set for a nuclear fusion device, belonging to a toroidal field magnet set tool, wherein the fixed tool comprises an annular guide rail coaxially mounted on the inner wall of a host hall, the annular guide rail is coaxially arranged with a central column erected in the host hall, a plurality of vacuum chamber hangers with one end mounted on the inner wall of the host hall are arranged in an inner annular array of the annular guide rail, the bottom end of the vacuum chamber hanger is used to hang the vacuum chamber sector to the corresponding welding assembly position; a radial beam arranged radially along the annular guide rail is also provided above the vacuum chamber hanger, one end of the radial beam is rotatably mounted in the top bearing of the central column, and the other end is mounted on the annular guide rail through a tail drive system, and can move in a circle along the top surface of the annular guide rail with the center of the central column, so that the toroidal field magnet hoisted below the radial beam is sleeved on the outside of the corresponding vacuum chamber sector. The invention can greatly improve the assembly efficiency and positioning accuracy of the toroidal field magnet of the nuclear fusion device.

The invention discloses a sewage treatment system capable of flexibly switching AOA and AOAO, and relates to the technical field of sewage treatment.The sewage treatment system comprises an AOA sewage treatment pool set, the AOA sewage treatment pool set comprises an anaerobic pool, an aerobic pool and an anoxic pool, and further comprises an anaerobic pool reaction promoting mechanism and an anti-impact secondary sedimentation pool mechanism, the anaerobic pool reaction promoting mechanism comprises a rotary drum, and the rotary drum is connected with the anaerobic pool reaction promoting mechanism; the sewage treatment system comprises an anaerobic tank, a plurality of supports are arranged at the top of the anaerobic tank at equal intervals, the middle of each support is rotatably connected with a vertical rotating drum through a bearing, the top of each rotating drum is connected with a rotating power assembly, and three mounting sleeves are arranged on the peripheral side of the bottom of each rotating drum in an annular array mode. The two sewage treatment modes of AOA and AOAO can be flexibly switched according to the sludge sedimentation condition in the secondary sedimentation tank, the sludge turning phenomenon in the secondary sedimentation tank can be avoided, meanwhile, the sewage treatment energy consumption is reduced, and the sewage treatment efficiency is improved.

The all-dimensional scalloped segment spherical end socket welding machine comprises a circular plate, an annular plate is arranged on the outer side of the circular plate, an annular groove is formed in the top of the annular plate, a plurality of connecting plates are fixedly connected to the inner side wall of the annular plate, and the connecting plates are arranged in an annular array with the circle center of the annular plate as the center; through mutual cooperation of the annular plate, the circular plate, the connecting plate, the clamping plates, a middle position ring, a gear, a rack, a center motor, a moving ring, a limiting rod, a bottom plate and the like, when a worker needs to weld the scalloped segment spherical end sockets, the multiple scalloped segment spherical end sockets can be placed on the different clamping plates, the clamping plates are driven to move, and the welding efficiency is improved. When the first clamping plate moves, the remaining clamping plates can be driven to move, and therefore the multiple scalloped segment spherical end sockets are driven to move synchronously, synchronous splicing of the scalloped segment spherical end sockets is facilitated, and it is guaranteed that butt welding seams of all the segments are flat.

The invention discloses a casting defect infiltration type detection system, and relates to the technical field of casting defect detection. A permeation control mechanism is arranged on a permeation station, the permeation control mechanism comprises a walking power assembly arranged on a guide rail in a sliding mode, two sets of steering guide grooves are formed in the inner wall of a steering control cylinder in an annular array mode, a pipe body casting part is clamped and fixed between rotary clamping parts, and a steering guide part is arranged between the two steering guide grooves in a sliding mode; the steering control cylinder is sleeved with the casting clamping assembly, the steering guide piece slides along the steering guide groove to achieve 90-degree rotation of the pipe casting, and a penetrant output part is arranged on the inner side of the penetrant storage box and used for conveying a penetrant in the penetrant storage box into the pipe casting. The penetration station, the washing station, the drying station, the spraying station and the detection station are sequentially arranged in the direction of the guide rail, and the penetration control mechanism is arranged on the penetration station, so that the defects of the inner wall of the pipe body casting part can be automatically detected.

The invention relates to the technical field of bearing ring production, and discloses heat treatment equipment for bearing ring production and a heat treatment method thereof. The invention provides heat treatment equipment for bearing ring production, which comprises a quenching pool, a spraying ring is arranged right above the quenching pool, a coil is arranged right above the spraying ring, the interior of the spraying ring is hollow, a partition plate is fixedly mounted in the spraying ring, and the coil is arranged right above the spraying ring. A plurality of spraying holes distributed in an annular array mode are formed in the inner side of the spraying ring and divided into an upper layer and a lower layer. The spraying holes are cleaned through the friction force between the cleaning ring and the spraying holes, the water outlet flow of the spraying holes is guaranteed, the problems of soft blocks, deformation or uneven hardness and the like caused by insufficient local cooling of the bearing ring can be effectively avoided, and therefore the product quality is improved, the maintenance cost and downtime of equipment are greatly reduced, and the production efficiency is improved. And the continuity of a production line and the operation efficiency of equipment are greatly improved.

The utility model discloses a straight flow type safety valve which comprises a safety valve body, the upper surface of the safety valve body is fixedly connected with an installation cover body through a flange, the upper surface of the installation cover body is provided with an annular sliding groove, and the inner wall of the annular sliding groove is slidably connected with arc-shaped sliding blocks distributed in an annular array in a sleeved mode. The upper surfaces of the multiple arc-shaped sliding blocks are fixedly connected with threaded rings, the lower surfaces of the threaded rings make contact with the upper surface of the mounting cover body, the upper surfaces of the threaded rings are fixedly connected with connecting rods distributed in an annular array, and one ends of the multiple connecting rods are fixedly connected with adjusting rotary discs. The effects that the limit value of the medium is accurately adjusted by the safety valve body, the stability of the safety valve body in use is improved, and the use safety of the safety valve body is improved by stably adjusting the pressure of the supporting spring are achieved.

The utility model discloses a fireproof power cable with a long service life, comprising an inner sheath and conductors, the inner sheath is internally provided with the conductors distributed in an annular array, the outer surface of each conductor is fixedly sleeved with an insulating layer, the outer surface of each insulating layer is fixedly sleeved with a protective layer, the inner sheath is internally provided with a filling body, and the inner sheath is internally provided with an outer sheath. The filling body is used for carrying out filling protection on the outer sides of the multiple protection layers, circular holes distributed in an annular array mode are formed in the front face of the inner sheath, the inner walls of the circular holes are fixedly connected with liquid cooling pipes in a sleeving mode, and elastic supporting blocks distributed in an annular array mode are fixedly connected to the outer surface of the inner sheath; the outer surface of the inner sheath is fixedly sleeved with filling blocks distributed in an annular array, through the arrangement of the high-elastic buffer sheath, the elastic supporting blocks and the supporting rings, pressure caused by the external environment to the cable is buffered and absorbed, the cable structure is prevented from being damaged, and the service life of the cable is prolonged.

The invention is suitable for the field of part drilling, and provides a punching device and method for a wool type fiber spinneret plate, the punching device comprises a base table plate, a spinneret plate clamping mechanism is arranged at the top end of the base table plate, and a detection mechanism is arranged below the spinneret plate clamping mechanism; a stand column is fixedly arranged on one side of the base table plate, a torsion pipe sleeve is rotationally arranged on the outer side of the stand column, three rotating arms in an annular array are arranged on the outer side of the torsion pipe sleeve, and drill bit assemblies are arranged at the ends, back to the torsion pipe sleeve, of the three rotating arms. When the device is used, the torsion pipe sleeve and the rotating arm on the outer side of the torsion pipe sleeve rotate by 120 degrees every time along with the gear ring, then the three mold blocks can alternately reach the position over a spinneret plate to conduct drilling operation, and the drill rod below the torsion cap can drill holes in an annular array in the spinneret plate; after the three sets of drill rods open the holes in the annular array in the spinneret plate in turn, three circles of holes can be formed in the spinneret plate, and the efficient hole opening effect is achieved.