6329 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 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 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 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 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 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 collimator for optical instrument parallelism adjustment, which relates to the technical field of optical instrument detection equipment and comprises a laser generator and a cylinder fixedly connected to the output end of the laser generator, a frame is slidably connected to the inner arc wall of the cylinder, and a convex lens is coaxially arranged on the inner side of the frame. The outer arc wall of the convex lens is slidably connected with four fixing seats which are distributed in an annular array, and the ends, away from the convex lens, of the fixing seats are rotatably connected to the inner arc wall of the frame body; according to the utility model, the deflection angle of the lens is adjusted through the plurality of first adjusting knobs, the direction of a light beam output by the laser generator after being refracted by the lens can be finely adjusted, so that the light beam can more accurately point to a target position, and the second adjusting knob enables the lens to axially move so as to adjust the focusing position of the light beam. It is ensured that the light beam forms a clear focus at the target position, meanwhile, the adjustable lens can eliminate light beam deflection caused by manufacturing or assembling errors, and therefore the adjustment and calibration precision is improved.

The invention discloses a pipe jacking construction device and method based on an artificial freezing technology, and belongs to the technical field of pipe jacking construction, the pipe jacking construction device comprises a base, a side plate vertically fixed at the rear end of the base, hydraulic oil cylinders symmetrically mounted at the two ends of the inner side of the side plate, and a jacking table fixed between the output ends of the hydraulic oil cylinders. The strip-shaped grooves are evenly formed in the outer side edge of the top table in an annular array mode, the sliding bases are slidably arranged in the strip-shaped grooves, the hydraulic chucks are rotatably installed on the sliding bases, the hydraulic chucks can be used for fixing the drill rod during use, the drill rod is driven to rotate through the drilling motor, and therefore in the using process of the device, the drilling efficiency of the drill rod is improved. A drill rod can be inserted into soil, a hole for installing a freezing pipe is formed in the outer side of a pipe jacking channel so that the freezing pipe can be conveniently inserted and installed, the functionality of the device is improved, in addition, when the device is used, the interval adjusting mechanism is matched, the hole opening position during freezing pipe installation can be adjusted according to the outer diameter of the pipe jacking, and practicability is higher.

The invention discloses a multi-station parallel test automation device for a high-voltage mutual inductor, and relates to the technical field of mutual inductor testing, the multi-station parallel test automation device comprises a test base, a high-voltage test board and an annular station, the upper end of the test base is provided with a test frame, the upper end of the test frame is provided with a first electric push rod, and the rear end of the test frame is provided with a tester; a moving plate is arranged at the upper end of the high-voltage testing table and arranged at the lower side output end of the first electric push rod, a testing groove is formed in the lower end of the high-voltage testing table, a plurality of high-voltage conductive contact fingers distributed in an annular array are arranged in the testing groove in a sliding mode, and a plurality of electromagnetic adjusting assemblies corresponding to the high-voltage conductive contact fingers are arranged on the side wall of the testing groove. The electromagnetic adjusting assembly is used for driving the high-voltage conductive contact finger to slide, and a plurality of uniformly distributed guide rods are arranged between the moving plate and the test base; the annular station is rotationally arranged on the upper side of the test base, the annular station is located on the lower side of the high-pressure test board, and at least two sets of clamp assemblies are arranged on the annular station.

According to the etching end point detection system for improving the TSV etching uniformity, the etching end point is accurately judged by monitoring electrical parameter changes in the etching process in real time, and therefore the TSV etching uniformity and quality are improved. The electrode laying device comprises a central electrode, a peripheral annular array electrode group and an electrical parameter monitoring module; a data processing and feedback control module; and an end point determination and alarm module. The electrical parameter monitoring module of the electrode laying device is connected to the data processing and feedback control module, and the data processing and feedback control module is connected with the end point judgment and alarm module.

The utility model discloses a kind of anti-fouling osmometer of measuring osmotic pressure, belong to osmometer technical field, including osmometer main body, the top of osmometer main body is equipped with cable, the bottom of osmometer main body is provided with filter end, the periphery of osmometer main body is provided with multiple anti-sloshing pieces in annular array arrangement;The utility model, when using the anti-fouling osmometer of measuring osmotic pressure, first, the distance between multiple supporting feet is adjusted according to the diameter size of the dropped pipeline, the positioning plate can be pinched by hand, so that the positioning plate is deformed through the second weakened groove, until the arc-shaped tooth plate is disengaged from the bottom of the crown gear ring, so that the rotating disc can be manually rotated outside the fixed cylinder, and the setting of multiple inclined grooves is matched, so that the adjusting block connected by transmission column can be synchronously moved outward or synchronously moved inward, so that the distance between multiple supporting feet can be synchronously adjusted.

The invention belongs to the technical field of disc tool magazines, and particularly relates to a disc tool magazine tool reversing device which comprises a tool rest box, a rotating disc is rotationally arranged in the tool rest box and connected with a rotating motor, a tool outlet is formed in the bottom of the tool rest box, and mounting frames distributed in an annular array mode are arranged on the outer side of the circumference of the rotating disc. Sliding blocks are slidably connected to the two sides of the mounting frame in a limiting mode and slide in the radial direction of the rotary disc in a limiting mode, a tool sleeve structure is rotationally connected between the two sliding blocks through a torsional spring, a rotary driving mechanism and a pushing mechanism are arranged at the positions, corresponding to the tool outlets, of the tool rest box, and the rotary driving mechanism pushes the tool sleeve structure to rotate. And the pushing mechanism downwards pushes the sliding block and the knife pouch structure. When the tool pouch structure is in a horizontal placement state, the horizontal extension distance of the tool bit is reduced so as to reduce the movement range of the tool bit to ensure the working safety, and the distance of the tool bit extending out of the tool outlet is increased when the tool bit is taken.

The invention relates to the technical field of feed circular mold cleaning, in particular to a feed circular mold efficient cleaning device which comprises a second cylinder, a light block, a spraying assembly, a driving assembly and a lifting assembly. A cylinder II is fixedly connected in the cylinder I; a plurality of light blocks are connected to the outer ring face of the second cylinder in an annular array mode. The sections of the light blocks are isosceles triangles; the cylinder I is connected with a spraying assembly; clean water is blocked through a second cylinder, so that the clean water can be prevented from carrying impurities to be sprayed into a through hole in the other side of the feed circular mold, the cleaning efficiency is improved, meanwhile, the clean water splashed after making contact with the second cylinder is intercepted through a light block, the clean water is prevented from carrying impurities to be splashed back to the inner side face of the feed circular mold, and the cleaning effect is ensured. And the side, close to the feed circular mold, of the light block is arranged to be a long inclined face, so that when the clear water impacts the long inclined face of the light block, the clear water can flow towards the second cylinder along the long inclined face, the clear water sputtering phenomenon can be reduced, and the cleaning effect is further ensured.

The utility model provides a galvanized external blowing ring with adjustable pressure. The galvanized external blowing ring comprises a shell; the shell is of an annular structure, and an annular cavity structure is formed in the shell. An inner shell of a circular structure is fixedly arranged on the inner side of the shell. Six sets of sliding rods of cylindrical structures are fixedly arranged in a rectangular groove in the inner wall of the inner shell in an annular array shape. A sliding frame of a rectangular frame structure is slidably arranged on the outer side of the sliding rod. Adjustment can be conveniently carried out according to different use requirements, the practicability of the device is greatly improved, different production requirements are met, and adjustment operation is simple and rapid.

The invention provides an electromagnetic quasi-zero stiffness vibration isolator and a control method, and belongs to the technical field of vibration isolation. The vibration isolator comprises a base, a positive stiffness mechanism, a negative stiffness mechanism, a positive and negative stiffness connecting mechanism and a dynamic control module. The positive stiffness mechanism adopts a hydraulic spring to provide basic positive stiffness; the negative stiffness mechanism comprises a plurality of stator units distributed on the base in an annular array and a rotor suspended in the center of a magnetic field of the stator units, and is used for generating nonlinear negative stiffness; the top end of the hydraulic spring supports a load through the bearing table and keeps a preset gap with the inner wall of the rotor; the positive and negative stiffness connecting mechanism realizes displacement transmission and cooperative adjustment; the dynamic control module comprises a displacement sensor and a controller, the sensor collects displacement signals, and the controller adjusts excitation currents of the stator units according to the signals and dynamically adjusts electromagnetic force, so that the vibration isolator is kept in a quasi-zero stiffness state. The quasi-zero stiffness state can be still kept when the load changes, load self-adaption low-frequency vibration isolation is achieved, and the system stability and the vibration isolation performance are improved.

The invention relates to the field of pile foundation detection, and discloses a rapid pile foundation bearing capacity detector for an engineering field, which comprises a cabinet, left and right symmetrical supporting legs slide in the cabinet, one side of each supporting leg is provided with a mounting plate, the bottom of each mounting plate is provided with a crawler belt, and a limiting frame is fixed in the cabinet. A fixing ring is arranged on the outer wall of the limiting frame in a sliding mode, a limiting buckle is installed at one end of the limiting frame to limit the displacement range of the fixing ring, an inner ring is fixed in the fixing ring, a gear ring is rotationally arranged in the inner ring, first gears distributed in an annular array are rotationally arranged in the fixing ring, and the first gears are meshed with the gear ring. Through cooperation of the gear ring, the first gear, the first rack and other parts, the effect that the device carries out fine position adjustment on the pile foundation needing to be detected is achieved, the problem that when the pile foundation is detected, due to position deviation, the detection result is greatly different from the actual situation is solved, and therefore the detection accuracy of the device is improved.

The invention relates to a breathing pipeline adapter capable of adjusting the air displacement and a breathing nasal mask.The breathing pipeline adapter comprises a tubular body, a through airflow channel is formed in the tubular body, the tubular body is provided with a first end and a second end, the first end is used for being connected with nasal masks of different models, and the second end is used for being connected with an external breathing pipeline; the exhalation hole group comprises a plurality of exhalation holes, and the multiple exhalation holes are uniformly formed in the circumferential outer wall of the tubular body in an annular array mode and directly communicate with the airflow channel; the adjusting knob is coaxially arranged on the outer side of the tubular body in a sleeving mode, and a through hole is formed in the adjusting knob; the through holes can be aligned with or staggered with different numbers of exhalation holes, and the air displacement of the airflow channel is adjusted. According to the breathing nasal mask, the exhaust area can be adjusted, exhaled air can be exhausted out of the nasal mask more effectively, for a patient with a large amount of exhaled air, the effective exhaust area can be increased, the exhaled air can be exhausted in time, accumulation of the exhaled air in the nasal mask is avoided, and therefore the relapse phenomenon is reduced.

The invention discloses a three-magnification double-telecentric light path object detection system and method. A detection part is arranged between a light source module and an object space telecentric light path module; the light source module comprises a white light annular LED array light source set and an adjustable grating arranged on one side, and a light uniformizing piece is arranged in the white light annular LED array light source set. Light emitted by the array light source group is homogenized by the built-in light homogenizing sheet and then forms uniform light beams through the adjustable diaphragm, and the uniform light beams are projected to the surface of a detection part; a light path switching mechanism is arranged on one side of the object space telecentric light path module, and the object space telecentric light path module comprises a low-magnification object space light path, a medium-magnification object space light path and a high-magnification object space light path; the light path switching mechanism is used for switching any one of a low-magnification object space light path, a medium-magnification object space light path and a high-magnification object space light path to enable light rays to be projected to the beam splitter prism, ambient light is removed through the beam splitter prism, and the transmitted light rays are transmitted towards an image space telecentric light path to enable the light rays to be projected to the industrial camera for imaging.

The invention relates to the technical field of industrial detection, and provides a real-time monitoring method and device for slag in a boiler. A plurality of high-temperature-resistant cameras are installed around an observation opening in the bottom of a boiler in an annular array mode, the slag accumulation condition in the boiler is collected in real time through the high-temperature-resistant cameras, and a single-view-angle image is obtained; evaluating the visual field states of the high-temperature-resistant cameras according to the single-visual-angle images, and determining a plurality of to-be-modeled images from the plurality of high-temperature-resistant cameras; and generating slag point cloud data by using the at least one to-be-modeled image, and performing three-dimensional reconstruction on the slag point cloud data to obtain the slag pile volume. According to the method, the slag falling condition of the boiler bottom of the power plant boiler is monitored and recognized in real time, and the problems that the slag falling at the boiler bottom cannot be detected in real time depending on manpower, the detection accuracy is insufficient, the three-dimensional form of the slag falling at the boiler bottom cannot be synthesized by detecting the slag falling at the boiler bottom through sensor equipment, and practicability is poor are solved.

The invention provides an all-dimensional multi-layer connecting belt lifting anti-storm deep sea net cage, and relates to the technical field of aquaculture equipment.The all-dimensional multi-layer connecting belt lifting anti-storm deep sea net cage comprises a net cage body and a positioning mechanism used for positioning and installing the net cage body, and the positioning mechanism comprises an annular top frame and a top air bag arranged on the top frame and used for enabling the top frame to float on the water surface; the top frame is connected with a plurality of anchor bodies through a plurality of anchor ropes, each anchor body is anchored to the seabed, a plurality of rails are vertically arranged at the bottom of the top frame, and the rails are arranged in an annular array; the net cage body is arranged between the rails and can move up and down along the rails within the length range of the rails. The net cage aims to solve the technical problems that an existing deep sea net cage is poor in wind wave resistance and prone to damage, the breeding space is of a single-layer structure, the utilization rate is low, and surface environment risks cannot be effectively avoided.

The invention relates to the field of kiln early warning, and discloses an abnormal behavior detection early warning system in real-time kiln video monitoring, which is used for realizing a leap-type innovation of kiln anomaly detection from single threshold alarm to intelligent hierarchical control. Three-dimensional temperature field data of the surface of a steel pipe is collected through an infrared thermal imager arranged in an annular array, a multi-spectral video stream of a slab stacking area is synchronously obtained in combination with a visible light camera, and a vibration sensor array is deployed to collect roller way vibration phase signals. And environment radiation compensation is carried out based on the Stefan-Boltzmann law, and surface cracks and internal slag inclusion defects are identified through a Kirchhoff law deviation threshold. According to the scheme, through multi-modal data space-time synchronous coding, dynamic weight adjustment and gradient template library self-adaptive correction, the anomaly detection precision and the working condition adaptability are remarkably improved.

The invention discloses a chip stripping device and method, and belongs to the technical field of chip processing. The chip stripping device comprises an adsorption cylinder, a center ejector pin seat and an edge ejector pin seat arranged on the outer side of the center ejector pin seat in a sleeving mode, and a center ejector pin on the center ejector pin seat can stretch out of the adsorption face to jack a chip under driving of a first driving assembly through fan-ring-shaped first through holes formed in the adsorption face of the adsorption cylinder in an annular array mode. The first driving assembly can also drive the center ejector pin to rotate in the first through hole to change the abutting position of the center ejector pin and the chip. The periphery of the first through hole is provided with a second through hole, so that the edge ejector pin on the edge ejector pin seat can extend out of the adsorption surface to jack the chip under the driving of the second driving assembly. According to the chip stripping device, the bonding force between the chip and the blue film is reduced step by step in the jacking process, the bonding force at the final connecting position of the chip and the blue film can be further reduced, and therefore the probability that the chip breaks, deforms and flies when the chip is moved and taken is reduced.

The invention relates to the technical field of cell detection, and particularly discloses a physical detection and analysis device based on stem cell characteristics, the physical detection and analysis device comprises a detection mechanism arranged in an analyzer, the detection mechanism comprises mounting plates, the mounting plates are arranged in an annular array, and the ends, close to each other, of the mounting plates are fixedly connected; according to the stem cell detection liquid preparation device, a test tube is installed in an analyzer through the detection mechanism, so that preparation of the stem cell detection liquid can be completed, and compared with a traditional stem cell detection liquid preparation process, the stem cell detection liquid preparation device has the advantages that the detection efficiency is greatly improved; the test tube needs to be opened for multiple times to extract supernate or add a buffer solution and the like, the operation is simple, the detection and analysis efficiency of the stem cells is improved, stem cell suspension and the like cannot be exposed in an external environment, the damage of the stem cells is reduced, the supernate is conveniently and accurately extracted, and the influence on subsequent detection and analysis use is avoided.

The invention provides a double-constraint radial transduction ultrasonic motor, which comprises an annular rotor and a plurality of stators distributed in the annular rotor in an annular array, and is characterized in that each stator comprises a metal elastomer, a left fixing hole, a right fixing hole, a left piezoelectric ceramic, a right piezoelectric ceramic and an elastic blade group for forming pre-pressure on the annular rotor, the working vibration mode of the stator is first-order standing wave type bending vibration, the left fixing hole and the right fixing hole are formed in the metal elastic body and are formed in the two wave node positions of the first-order standing wave type bending vibration respectively, namely, the amplitude is zero during vibration, and the elastic blade set comprises a left-end elastic blade, a middle elastic blade and a right-end elastic blade. The vibration asymmetry of the metal elastomer can be effectively improved, the structural rigidity of the motor can be improved, the output torque of the motor can be improved, the energy transmission efficiency and the driving capacity can be improved, and the overall performance of the motor can be remarkably improved.

The invention belongs to the technical field of Fischer-Tropsch wax production, and particularly relates to a Fischer-Tropsch wax production continuous drying device which comprises a shell, a speed reduction motor set is fixedly connected to the bottom wall of the shell, a shaft rod is fixedly connected to the main shaft end of the speed reduction motor set, a bearing part is arranged on the outer wall of the shaft rod, and a containing cavity is formed in the inner wall of the shell; a plurality of supporting rods annularly arrayed on the outer wall of the shaft rod are arranged in the inner wall of the containing cavity, and an extrusion mechanism used for extruding powder is installed on the supporting rods. According to the continuous drying device for Fischer-Tropsch wax production, powder is continuously extruded through the extrusion mechanism in the process of continuously stirring the powder, agglomerated parts in the powder are extruded and broken through extrusion among the powder, waste is reduced, the powder can be rapidly clamped through the arrangement of a slow return assembly, a baffle is slowly reset, and the production efficiency of the Fischer-Tropsch wax is improved. And the powder which is squeezed and shoveled is prevented from flying.

The invention relates to the technical field of vertical shaft supporting equipment, and particularly discloses an anchor cable and a vertical shaft supporting structure, the anchor cable comprises an anchoring head, a connecting piece and an anchoring plate, the anchoring head is embedded in an anchor hole, the anchoring plate is located outside the anchor hole, and the connecting piece is connected with the anchoring head and the anchoring plate; the anchoring head comprises an anchoring body internally provided with a cavity, an elastic air bag and a plurality of anchoring shells arranged on the anchoring body in a surrounding mode. The elastic air bag is located in the cavity, and the portion between the elastic air bag and the inner wall of the anchoring head is filled with anchoring liquid. A plurality of overflow holes are formed in the anchoring body in an annular array mode, first thin films are arranged on the overflow holes, a plurality of long holes are formed in the anchoring body in an annular array mode, and second thin films are arranged on the long holes; the vertical shaft supporting structure comprises anchor cables, lining rings and anchor nets, the lining rings are arranged in a vertical shaft at intervals, the anchor nets are laid between the lining rings and the vertical shaft, and anchor plates of the anchor cables are connected with the lining rings. The problems of complicated steps, high support cost, low construction efficiency and the like during existing shaft support construction are solved.

The invention relates to the technical field of corrugated board detection, and particularly discloses a corrugated board stacking defect detection method and system based on machine vision, and the method comprises the steps: carrying out the time-sharing triggering of a side annular LED array light source and a top vertical diffusion light source of a stacking transmission line, and enabling an industrial CCD camera to synchronously obtain reflected light, transmission light and visible light channel images; fusing image features to generate a defect response map; eliminating corrugated texture interference through adaptive Gaussian filtering; dynamically adjusting high and low thresholds based on the maximum value proportion of the defect response map in combination with illumination; segmenting and merging candidate defect areas and calculating initial stacking defect indexes; and eliminating illumination artifacts in combination with the structural similarity index to finally obtain a real defect index. According to the method, the stacking defect detection accuracy is effectively improved, the missed and false alarm rate is reduced, the detection requirements of illumination fluctuation and bent edge washboard defects can be met, and the production quality control requirements of corrugated boards are met.

The invention discloses a process file system access optimization method and device based on an eBPF. The method comprises the following steps: collecting information of a procfs node through an eBPF program, and writing the information into eBPF annular buffer mapping mapped to address spaces of a plurality of user processes; the user process calculates a hash identifier according to the target procfs node path and searches a corresponding mapping item in a shared annular array based on the hash identifier, and the mapping item comprises an annular buffer address pointing to target procfs node information stored in eBPF annular buffer mapping; and if the searching is successful, reading the information of the target procfs node according to the address of the ring buffer. According to the method and the device, the problem of low efficiency of tools in the prior art, such as ps, when the system process information is acquired can be solved on the premise of ensuring the security.