2078results about How to "Ingenious structure" patented technology

An electronic cigarette and method for assembling same is provided, wherein the electronic cigarette comprises an electronic cigarette body including a smoking end, an oil reservoir configured for reserving tobacco tar, an atomizer assembly configured for atomizing the tobacco tar, and a battery assembly electrically connected to the atomizer assembly and configured for supplying power to the atomizer assembly; the battery assembly and the oil reservoir are arranged in parallel; the atomizer assembly includes a heating wire assembly which is arranged at one end of the oil reservoir and is deposited outside the oil reservoir; a smoking channel is provided inside the electronic cigarette body, wherein the smoking channel is arranged outside the oil reservoir and is configured for discharging the smoke atomized by the atomizer assembly to the outside of the electronic cigarette body. The electronic cigarette can prevent the oil from penetrating into the smoking channel.

The invention discloses a medical waste rapid crushing device. The medical waste rapid crushing device comprises a crushing chamber; a separation plate is arranged in the crushing chamber horizontallyand fixedly; a plurality of separation holes are formed in the separation plate; an oval cam abuts against the left side wall of a first push plate and the right side wall of a second push plate; a right pull rope is arranged on the right side wall of the first push plate; the right pull rope is wound on a first fixed pulley and a fourth fixed pulley sequentially from top to bottom; a reset spring is connected between a left pressing plate and the crushing chamber; a reset spring is connected between a right pressing plate and the crushing chamber; and a driven belt wheel is arranged on a rotating wheel coaxially and fixedly. The medical waste rapid crushing device is ingenious in structure; a rotating motor can do up-and-down reciprocating motion while driving a crushing roller to rotatably crush the medical waste, so that the medical waste is completely crushed; and the left pressing plate and the right pressing plate move towards each other in opposite directions and move towards opposite directions repeatedly, so that the medical waste is extruded and crushed, the medical waste is gathered, the crushing effect of the crushing roller on the medical waste is improved, and the crushing efficiency is improved.

The invention relates to a light source capable of supplying polychromatic light and a method thereof. The light source comprises a light emitting source (2), a motion device (1), a light beam (41), a second light beam (42), a second light emitting source (3) and a light beam (43), wherein the motion surface comprises the motion device (1) with a plurality of areas with different characteristics, the areas sequentially face to the light beam (41) from the light emitting source along motion and sequentially generate light with different wavelengths to form the second light beam (42); particularly, the second light emitting source (3) is arranged in the light source and guides the light beam (43) from the second light emitting source and the second light beam (42) to be collected so as to form an output light beam of the light source; the output light beam of the light source has a preset color or color change by adopting a control unit of the light emitting sources to respectively control lightening time intervals of the light emitting source (2) and the second light emitting source (3), for example, in the period of spoke, the light source more suitable for a projection display system can be supplied in such a way that the light source only outputs the light beam (43) of the second light emitting source. The invention has the advantages of simple control processing and easy realization.

The automatic stereo storehouse for plates includes bracket type shelves with multilayer trays; lane tracked piling crane with forks and capable of lifting vertically and accessing trays horizontally; peripheral mechanical facilitates for storehouse operation; and automatic storehouse managing and controlling system. It features the piling crane with two parallel forks driven with the same driving unit, and the trays with space for hiding the forks. Compared with available technology, the present invention is scientific, novel, reasonable and smart in structure, and has high loading volumetric fraction, low cost and other advantages.

The invention discloses an eccentric rotary cone type stone crushing device for mineral processing, which comprises a bottom box with a hollow structure inside the bottom box, and a grinding basket is horizontally slidable inside the bottom box, and a grinding basket is connected with the inner wall on the right side of the bottom box. The first return spring, the driven shaft is rotated in the bearing table, the driven shaft is provided with a driven pulley, the driven shaft extends into the grinding basket, and the side wall of the conical cover plate is slidingly provided with thread positioning The inside of the grinding basket is connected to the flexible bellows through the channel formed by the bearing platform, the crushing cone and the conical cover plate; the design of the invention is reasonable, and the distance between the pressing plate and the crushing cone can be adjusted according to the specific ore size. The adjustment is stronger, the eccentrically set driven shaft drives the crushing cone to rotate, and the conical cover plate can move left and right under the action of the second return spring, which has a good buffering and shock absorption effect and prevents the ore from crushing the cone Stuck, greatly reducing the failure rate and improving work efficiency.

The invention discloses a full-automatic packaging machine. The full-automatic packaging machine comprises a stander, a driving device and a packaging executing device, wherein the driving device is arranged at the lower part of the stander, and the packaging executing device is arranged at the upper part of the stander; the packaging executing device comprises a driving disc, anchor arms, an anchor arm guide rail, stations and a transmission shaft; the number of the anchor arms is eight pairs, and the anchor arms are arranged at eight equal diversion positions of the driving disc in pairs; the anchor arms are glidingly connected with the anchor arm guide rail; the driving device drives the driving disc to rotate by the transmission shaft and drives the anchor arms arranged on the driving disc to slide on the anchor arm guide rail; and the number of the stations is eight, each station corresponds to a pair of the anchor arms, and the stations sequentially include a bagging station, a code printing station, a bag opening station, a rough filling station, a fine material supplementing station, a dust extraction station, an exhausting and heat-seal station and a cold-compacting reshaping station according to an anticlockwise sequence. According to the full-automatic packaging machine, the filling manner is simple and flexible, powders in different forms can be automatically adjusted, the dose precision and the filling speed of various materials are guaranteed, and the full-automatic packaging machine is simultaneously suitable for liquids, particles and irregular materials.

The invention relates to a suspended force-sensitive sensor chip capable of eliminating encapsulation stress and a manufacture method thereof. The chip comprises a monocrystalline silicon substrate, and a cantilever beam and a pressure sensor which are both integrated on the monocrystalline silicon substrate, wherein the cantilever beam and the pressure sensor are integrated on the same surface of the monocrystalline silicon substrate by a monocrystalline silicon substrate single-side microprocessing method, the pressure sensor is integrated on the structure of the cantilever beam, and a reference pressure cavity is directly embedded in the cantilever beam. The dynamic properties of a freedom of movement structure at the tail end of the cantilever beam are fully utilized by the suspended force-sensitive sensor chip, the adverse effect of the outer encapsulation stress of the chip on the detection performance of the force-sensitive sensor can be effectively inhibited by the pressure sensor on the cantilever beam, the friendly encapsulation of encapsulation base plates of different materials is realized by the force-sensitive sensor, and the detection stability of the sensor and encapsulation environment adapting reliability are improved. The suspended force-sensitive sensor chip has the advantages of novel design, simple structure, low encapsulation cost, small chip size and low chip cost. The requirement of massive production is met.

A full-automatic installation device for building outer wall stones comprises a walking device (1) and is characterized in that an adjustable platform (2) is installed on the upper surface of the walking device (1) through horizontal adjusters (13), a lifting device (4) is arranged on one side of the upper surface of the adjustable platform (2), a lifting platform (3) is installed on the lifting device (4), and a positioning panel turning mechanism (5) is arranged on the lifting platform (3). One or more mechanical arms (8) are installed on one side, close to the panel turning mechanism (5), of the lifting platform (3), the problem that in the traditional process that the stones or ceramic tile panels are constructed on a wall space, an automatic device can not be adopted for installation and construction is effectively solved, the stones or the ceramic tile panels can be fully automatically installed for a building outer wall in the whole process, installation efficiency and precision are high, construction safety is good, and the full-automatic installation device has incomparable superiority compared with traditional manual installation and has good using prospects in the future.

The invention discloses an agricultural grain screening and drying device, which comprises a drying chamber, a limit chute is symmetrically arranged on the left and right side walls of the drying chamber, a drying screen cylinder is horizontally arranged in the drying chamber, and a right end of a rotating nozzle is provided. A limit bearing seat is sleeved; a horizontal plate is arranged on the drying chamber, a left vertical plate and a right vertical plate are symmetrically arranged on the horizontal plate, a driving device is installed on the elliptical cam, and left limit plates are respectively arranged on the left and right sides of the elliptical cam and the right limit plate, the bottom ends of the left limit plate and the right limit plate are both provided with guide sliders slidingly connected with the horizontal plate; both ends of the screen plate extend to the outside of the drying chamber, the first extension plate and the second extension plate The bottom surface is provided with a boom, and the boom is rotatably provided with a swing rod. The structure of the invention is ingenious. The rotating nozzle is driven by the driving motor and drives the stirring block to turn and stir the grains, so that the grains are more dispersed. The jetted hot air dries the grains by wind, which greatly improves the drying effect of the grains.

The invention relates to a fixing assisting device for the anesthesiology department. The problem that as an existing fixing assisting device is poor in fixing effect, complex in step and inconvenientto relieve, blood of the arm of a patient is unsmooth in circulation is effectively solved. According to the technical scheme, the fixing assisting device comprises an operating bed, an anesthesia device is arranged at the front end of the operating bed, a pillow is fixed in the bed head direction at the upper end of the operating bed, and a forehead part fixing device is arranged on the pillow;a foot hoop box with an opening formed in the back end is arranged in the bed tail direction of the upper end of the operating bed, and the lower end of the foot hoop box penetrates through the operating bed and is fixedly provided with a rack arranged in the length direction of the operating bed; the operating bed comprises a bed board and a partition board, a lead screw arranged between the bedboard and the partition board is rotationally and cooperatively arranged in the length direction of the operating bed, a thread is formed in the lead screw, a gear is rotationally and cooperatively arranged at the lower end of the bed board, the upper end of the gear is meshed with the rack, the lower end of the gear is meshed with the thread, and a rotating handle arranged on the outer side of the operating bed is fixed to the front end of the lead screw. The fixing assisting device for the anesthesiology department is ingenious in structure, high in practicability and good in fixing effect.

The invention discloses a two-level particle product screening device for chemical production. The two-level particle product screening device comprises a bottom plate. A left vertical plate and a right vertical plate are vertically and fixedly arranged on the bottom plate. A screening tank is arranged above the bottom plate and internally provided with a rotation tank. The rotation tank is of a hemisphere shell-shaped structure and is evenly provided with a plurality of through holes. A guiding rod rightwards penetrating the left side wall of the screening tank is horizontally and fixedly arranged on the inner wall of the right side of the left vertical plate. A fan-shaped gear is fixedly provided with a transmission plate, and the diameter of sieve holes in a sieve plate is smaller thanthat of the through holes. The two-level particle product screening device achieves screening of particle-shaped products through rotation of the rotation tank, two-level screening of the particle-shaped products is conducted through the sieve plate, shaking and scattering of raw materials in the rotation tank are accelerated through rotation of the rotation tank, and the screening efficiency is improved; and a scraper blade moves left and right to conduct transverse scraping on particle raw materials on the sieve plate, the particle products are promoted to penetrate the sieve holes of the sieve plate, and the screening efficiency of the particle products is greatly improved.

The invention provides an air conditioner heat pump hot water unit and a working method thereof, the performance is optimized, waste heat generated by an air conditioning unit can be recycled, and a heat pump principle with high energy efficiency is utilized to produce hot water so as to save energy, protect environment and be favorable for realizing multi-mode and multifunctional control. The air conditioner heat pump hot water unit comprises a control system, an air conditioning outdoor unit, an indoor unit, a water heater and a plurality of refrigerant pipelines connected among the air conditioning outdoor unit, the indoor unit and the water heater, wherein the water heater comprises a water tank, a hot water generator and a water pipe; the air conditioning outdoor unit comprises a compressor, a heat exchanger, a throttling device and a refrigerant pipeline control device, and the compressor, the heat exchanger, the throttling device and the refrigerant pipeline control device are all connected via the refrigerant pipeline; the refrigerant pipeline control device of the air conditioning outdoor unit comprises a four-way valve A, the port 1 of the four-way valve A is connected with the hot water generator via the refrigerant pipeline; and each indoor unit is provided with a four-way valve, and the four-way valve arranged on the indoor unit is connected with the heat exchanger of the indoor unit via the refrigerant pipeline.

The invention discloses a centrifugal pump used for three-dimensional particle image velocimetry (PIV) measurement. The centrifugal pump is mainly used for internal flow PIV calibration and measurement. The centrifugal pump comprises a volute, an impeller, an end cover, a grooved flat end fastening screw, a guide rod, an internal hexagonal flat end fastening screw, a slide block, a calibration target disk and an internal hexagonal cylindrical head screw and is characterized in that: the square volute is not formed by integral casting with organic glass for putting a self-manufactured target disk into the centrifugal pump conveniently for three-dimensional calibration so as to improve the calibration precision of the centrifugal pump. The position of the target disk can be adjusted outsidethe pump, so that the calibration of different sections inside the impeller is facilitated. The centrifugal pump is simple in structure, easy to operate, high in university and suitable for three-dimensional (3D) PIV measurement occasions of all single-stage single-suction centrifugal pumps.

The invention relates to a skin medicine-applying device for the surgery department. Therefore, problems of a conventional medicine-applying method such as poor efficiency, great waste and low cleanness are effectively resolved. In order to the resolve the above problems, the technical scheme is characterized in that the device comprises a housing; the housing is divided into a medicine liquid cavity and a separation cavity; a liquid inlet pipe is connected between the medicine liquid cavity and the separation cavity; the bottom of the separation cavity is equipped with multiple liquid outletpipes which is internally provided with liquid outlet heads; conical surfaces of the liquid outlet heads are matched with conical surfaces of the liquid outlet pipes; the upper ends of the liquid outlet heads are sealed; the conical surfaces of the liquid outlet heads are equipped with first through holes; the lower ends of the liquid outlet heads are equipped with rolling balls; spherical surfaces of the rolling balls are equipped with grooves; a piston is installed in the separation cavity; a pressure spring is arranged above the piston; the upper end of the pressure spring is equipped witha pressing board; the upper surface of the pressing board is connected with a screw rod; a fixed nut sleeves the rod; a separation sleeve sleeving outside the pressure spring is installed in the medicine liquid cavity; and the upper surface of the piston is fixedly connected with a vertical pull rod; the upper end of the pull rod penetrates through the pressure spring, the pressing board and the screw rod and extends out of the housing. The skin medicine-applying device for the surgery department is novel in concept and indigenous in structure.

The invention discloses a device for assembling and welding a fan casing combined piece. The device comprises a body assembly, a gas protecting assembly and a positioning assembly; the body assembly comprises a hollow disk; a plurality of bosses used for supporting a casing are arranged on the periphery of the hollow disk; the positioning assembly comprises a casing positioning assembly used for positioning the axial direction, the angular direction and the circle center of the casing, an inner ring positioning assembly used for positioning the axial direction, the angular direction and the circle center of an inner ring, a blade boss positioning assembly used for positioning the angular direction of blades, and a blade axial direction positioning assembly; the blade axial direction positioning assembly is arranged on the inner side of the hollow disk, and comprises a hinge plate; one end of the hinge plate is hinged to an overturning base, and the other end of the hinge plate is connected with a positioning block in a sliding manner; a first pressing device is fixedly arranged on the hinge plate; and a pressing head of the first pressing device is fixedly connected with the positioning block. The device is convenient to operate, fast and capable of saving labor, reducing the number of operators, and making blade welding kept consistent.

The invention relates to a folding mechanism used for a flexible screen. The folding mechanism comprises a first shell and a second shell; the first shell and the second shell are rotationally connected; the folding mechanism further comprises a first accommodation support sliding part and a second accommodation support sliding part; one side of the first accommodation support sliding part is connected with the first shell in a sliding manner; one side of the second accommodation support sliding part is connected with the second shell in a sliding manner; one side, far away from the first shell, of the first accommodation support sliding part is inserted with one side, far away from the second shell, of the second accommodation support sliding part; and the first shell and the second shelldrive the first accommodation support sliding part and the second accommodation support sliding part to slide through driving parts respectively during rotation. The folding mechanism used for the flexible screen is skillful in structure and low in cost; through mechanism linkage, the reciprocating movement of the accommodation support sliding parts is driven by utilizing relative rotation of thefolding mechanism; and finally an accommodation function for a deformable screen region in a folding state and a support function for the deformable screen region in an unfolding state are realized.

A high-efficiency spraying device for disinfectant on a building construction site, comprising a car body, a driving motor is fixedly installed on the top of the car body, a driving bevel gear is fixedly installed on the stirring shaft, a runner is fixedly installed coaxially on the left end of the driven shaft, and the runner A connecting rod is hinged on the edge of the left side; the upper side of the lifting block is connected with the first steel wire rope, and the end of the first steel wire rope away from the lifting block is fixed on the upper slider; the rotation type in the car body is equipped with a limit pulley, and the lower end of the lifting block is connected with the second steel wire rope , the second steel wire rope is wound on the limit pulley, and the right end of the second steel wire rope is fixed on the limit baffle; the water drawing sleeve is connected with a liquid outlet hose, and the first one-way hose is installed on the liquid outlet hose. Valve, the invention has ingenious structure and reasonable design. Through the up and down reciprocating movement of the lifting block, the up and down reciprocating movement of the nozzle and the fan is realized, so that the up and down spraying range of the disinfectant is wider, the distance is longer, and the disinfection and sterilization effect is better.

The invention relates to a microwave ablation antenna for large hepatic cellular cancer treatment. The microwave ablation antenna for large hepatic cellular cancer treatment comprises a zirconia puncture head, a pole core, a coaxial cable, a water diversion pipe and a needle rod. The zirconia puncture head is provided with an axial center blind hole, the pole core is inserted into the the center blind hole of the zirconia puncture head, the rear end of the pole core is in cold pressing fixed connection with an inner conductor of the coaxial cable, a metal choking ring sleeves the coaxial cable, the front end of the choking ring is mounted on the outer circle on the rear portion of the zirconia puncture head in a sleeving mode, the front end of the needle rod is mounted on the outer circle on the rear portion of the choking ring in a sleeving mode, and the front end of the water diversion pipe is fixed to the rear end of the choke ring. The microwave ablation antenna for large hepatic cellular cancer treatment is ingenious in structure and easy to machine. The choking is specially arranged and is in short circuit with an outer conductor of the thickened coaxial cable for ensuring that the antenna is wide in ablation range and round in ablation. The parameters of the choking ring and the coaxial cable are particularly important, so that the effective heating area (the ablation range) of the antenna can reach 4.5*5.5 cm or larger, and the antenna is suitable for large hepatic cellular cancer interventional ablation treatment.

The invention relates to a finishing device for cultured fishes. The finishing device is arranged in front of a feeding platform and comprises at least three upright posts, a net cage and drag ropes, wherein two upright posts are vertically inserted into two sides of the feeding platform; other upright posts are vertically inserted into a pond; the upper ends of the upright posts are exposed out of the water surface by a certain length; rope penetrating pieces for the drag ropes to pass through are arranged at the upper ends of the upright posts; the net cage is arranged in an area defined by at least three upright posts; when the net cage is not subjected to tensile force of the drag rope, the net cage is sunken into the water bottom for a certain depth; the drag rope sequentially penetrates through each side of a net cage opening and the rope penetrating pieces at the upper end of the upright posts; two ends of the drag rope are used as operating ends at which the net cage is pulled up; when the drag rope is tightened, the net cage is raised; and when the drag rope is loosen, the net cage is sunken. The invention has the advantages of simple and ingenious structure, simpleness, convenience and feasibility for operation, high finishing amount, low production cost, high fishing rate for fishes, scientific fishing mode and low possibility of injuring fish bodies in the fishing process; the labor capacity for fishing can be greatly reduced; and large fishes can be fished and small fishes can be left.

The invention discloses a shock-absorbing ore crushing device with a screening function, comprising a crushing box, a plurality of crushing teeth are uniformly arranged on the inner wall of the upper part of the crushing box, a connecting frame is fixedly installed horizontally in the crushing box, and a rotating device is installed on the connecting frame. There is a first crushing roller, a waist-shaped through hole is opened on the side of the connecting frame, the limit baffle is located outside the crushing box, and a shock-absorbing spring is arranged between the limit baffle and the crushing box; The guide pulley and the horizontal baffle, the output shaft of the deceleration motor are vertically fixed with the drive shaft through the coupling; the invention has an ingenious structure and a reasonable design, and the second crushing roller can be realized under the action of the shock-absorbing spring during the rotating crushing process. The movement in the left and right direction plays the role of cushioning and shock absorption, the crushing process is more stable, and at the same time, the service life of the second crushing roller and the first crushing roller is improved. The sieve plate is driven by the wire rope and the limit spring. Screening of ore by sieve plate.

The invention discloses a feed feeding device for animal husbandry, which comprises a bottom plate, on which a vertical plate is fixed vertically, and a horizontal plate is fixed horizontally on the vertical plate; Connection, the rotation type on the rotating shaft has a blanking baffle plate, and a drop hole corresponding to the through hole is vertically opened on the blanking baffle plate, and a driving gear that is meshed with the driven outer ring gear is coaxially fixed on the driven shaft ; The vertical plate is rotatably provided with a driven bevel gear meshed with the driving bevel gear, and a disc-shaped cam is coaxially fixed on the driven bevel gear; the invention has an ingenious structure and is easy to operate. Automatic feeding and spreading, low labor intensity, small labor load, when the feeding stop plate rotates until the falling hole coincides with the through hole, the feed will fall into the storage tank, and then the intermittent falling of the feed will be realized, which avoids the waste of feed and improves the production efficiency. feed efficiency.

The invention discloses an efficient sheet metal paint spraying device. The efficient sheet metal paint spraying device comprises a frame body, a movable frame, a cylinder body, a movable block and a clamping device; a clapboard is arranged in the middle part of the inner cavity of the frame body, the movable frame and the cylinder body are located above the clapboard, sliding seats are symmetrically arranged on two sides of the top of the movable frame, and slidably fixed to a sliding rail which is fixed on the top of the inner cavity of the frame body in a clamped mode, and a drive motor which drives the motor to move back and forth is arranged on the movable frame; the left center of the movable frame is fixed with a piston rod which is matched with the cylinder body, and the cylinder body is provided with a two-channel design of a feeding pipe and a discharging pipe, and the discharging pipe is connected with a telescopic hose; a fluid passage is formed in the movable block, and the inlet end of the fluid passage is connected with the telescopic hose, and the outlet end of the fluid passage is connected with a nozzle; and the clamping device is located below the movable block, and provided with a rotating motor. According to efficient sheet metal paint spraying device, paint spraying work of the sheet metal parts can be efficiently completed, and meanwhile, the paint spraying effect is good, the operation is simple, and is worth popularizing and using.

The invention discloses a sandstone grinding and screening plant for construction engineering. The sandstone grinding and screening plant comprises a raw material automatic conveyer, a filter unit and a grinding and screening plant, wherein the lower part of the raw material automatic conveyer is provided with the filter unit; the filter unit comprises a shell; the right side of the filter unit is provided with the grinding and screening plant; the grinding and screening plant comprises a housing; and a lifting conveyor belt is arranged between the shell and the housing. When the excessive raw material is accumulated in the filter unit, the blanking conveyor belt automatically stops, the baffle automatically resets to automatically block the blanking port, the driving roller on the lower side increases the vibration amplitude of the filter screen through an elastic rope so as to enhance the filter effect, the grinding and screening plant grinds the raw material and divides the raw material into three types with different particle sizes, and the raw material with different particle sizes is adopted according to the construction requirements. The sandstone grinding and screening plant has the advantages of ingenious structure and reasonable design, and is convenient for popularization.

The invention discloses a feed efficient smashing and mixing device for livestock breeding. The device comprises a supporting frame, a stirring barrel is arranged in the supporting frame, and a secondlongitudinal limiting sleeve is fixedly sleeved with a second driven bevel gear which is concentric with a stirring shaft; a plurality of second stirring blades are horizontally arranged on a stirring frame, and a plurality of first stirring blades which are staggered with the second stirring blades are uniformly arranged on the surface of the stirring shaft; a transverse limiting sliding sleevewhich is in horizontal sliding connection with a smashing shaft is arranged on a supporting column; a screw rod is horizontally arranged on the supporting column through threads. The feed efficient smashing and mixing device is ingenious in structure, the operation of a servo motor is used for smashing feed in a smashing box by a smashing blade, and the first stirring blades and the second stirring blades are used for stirring and mixing the feed in the stirring barrel, so that the electric power consumption is effectively reduced; the stirring shaft drives the first stirring blades and the second stirring blades to rotate in opposite directions, and the mixing efficiency is high.

The invention discloses an FPGA (Field Programmable Gate Array) realization method for a multi-code-length LDPC (Low Density Parity Check) code decoder on the basis of a hierarchical NMS (Network Management System) algorithm, which comprises the following steps of: 1) replacing a check matrix of which the code rate is 1/2 in a WiMax protocol to obtain a new check matrix, and keeping the performance of the original matrix; 2) applying the new check matrix into a parallel hierarchical iterative decoding structure, generating the read-write address of a storage unit in a decoder by an address generation module, and realizing the design of a multi-code-length decoder; and 3) designing a memory structure according to the characteristics of a QC (Quality Control)-LDPC code in the design, and simultaneously reading and writing in information in each path of parallel processing unit. With the FPGA realization method, the storage volume of updated information in the decoding process is reduced, the information updating speed is effectively improved, the decoder iteration times is reduced, the decoding time delay is greatly lowered by the design structure of the memory, and the decoding efficiency is improved. Meanwhile, wiring is simple by a fixed cable of a storage unit and an updating unit, and the hardware realization difficulty is lowered.

The invention relates to a simplified alternating-current zero-crossing detecting and amplitude value sampling unit which comprises a microprocessor, a current transformer, and a voltage amplitude value sampling component and a current zero-crossing detecting component which are connected with the current transformer, wherein the voltage amplitude value sampling component comprises a rectifying bridge, a voltage-stabilizing tube D18 and a first filter circuit which are sequentially connected, and the current value obtained by sampling of the current transformer sequentially flows the rectifying bridge, the voltage-stabilizing tube D18 and the first filter circuit, and a direct-current voltage signal is output to the AD (analog/digital) conversion port of the microprocessor for processing by the microprocessor; and the current zero crossing detecting component comprises a second filter circuit, a differential comparator, and a schmitt trigger which are sequentially connected, and the current value obtained by sampling of the current transformer flows through the second filter circuit, the differential comparator and the schmitt trigger and then is transmitted to the microprocessor for generating interrupt. The simplified alternating-current zero-crossing detecting and amplitude value sampling unit has the advantages of simple and compact structure, low cost, wide application range, capability of greatly improving the working stability and reliability and the like.

The invention discloses a fabricated RC structure beam-column connection joint convenient to maintain rapidly after an earthquake, and relates to fabricated RC structure connection joints. A column joint pre-buried steel piece is provided with a first connecting bulge, a beam joint pre-buried steel piece is provided with a second connecting bulge, a column end positioning steel plate is installed at the outer end of the first connecting bulge in a matched and buckling mode and fixedly connected through a plurality of pulling-resistant bolts, and a beam end positioning steel plate is installed at the outer end of the second connecting bulge in a matched and buckling mode and fixedly connected through a plurality of pulling-resistant bolts; and a column end lug plate is fixed to the column end positioning steel plate, a beam end lug plate is fixed to the beam end positioning steel plate, the column end lug plate is hinged to the beam end lug plate, one end of each buckling-proof dissipative member is detachably and fixedly connected with the column end positioning steel plate and the first connecting bulge, and the other end of each buckling-proof dissipative member is detachably and fixedly connected with the beam end positioning steel plate and the second connecting bulge. According to the fabricated RC structure beam-column connection joint convenient to maintain rapidly after the earthquake, a good energy-dissipating capacity is achieved, the probability of the situation that a structure is seriously injured is reduced when the earthquake intensity is relatively low, and replacing and maintaining can be conducted rapidly when the earthquake intensity is relatively high.

The invention relates to a monitoring device with a dust removal function for urban traffic management. The device comprises a bottom plate, a connecting box, a protective cover and a camera, whereinthe bottom plate is horizontally arranged; the connecting box is arranged at the bottom of the bottom plate; the protective cover is in a spherical shape. a through hole is formed in the bottom of theconnecting box; the protective cover is arranged in the through hole; the inner wall of the through hole is attached to the protective cover; the sphere center of the protective cover is arranged inthe connecting box; the camera is arranged in the protective cover; the camera is arranged below the connecting box; the connecting box is internally provided with a cleaning mechanism and two fastening mechanisms, the two fastening mechanisms are arranged on the two sides of the protective cover respectively, the monitoring device with the dust removal function for urban traffic management achieves the dust removal function through the cleaning mechanism, and in addition, the function of being convenient to disassemble and assemble is achieved through the fastening mechanisms.

The invention relates to a boosting type intermittent seeding apparatus of natural meadows and an operation method thereof, which is characterized in that the seeding apparatus comprises a seed box fixed on an integral rack, a seed push device, a seed case and a seed protection wheel; a seed push opening is arranged on one side of the side wall on the lower part of the seed box, and a seeding opening is arranged on a symmetrical side; the seed push device comprises a push plate, the push plate is arranged in the seed box through the seed push opening in a penetration manner and is situated above the box wall of the bottom part of the seed box, a connecting rod is connected on the end away from the seeding opening of the push plate, the other end of the connecting rod is connected with a gear, and a plurality of connecting holes used for connecting the connecting rod are arranged on the gear; the seed case is arranged on the side of the seed box where the seeding opening is situated, a seed inlet on the seed case is corresponding to the seeding opening on the seed box, and a seed conduit is arranged on the bottom part of the seed case; the seed protection wheel is arranged in the seed case, the seed protection wheel comprises four seed protection wheel side walls, and the four seed protection wheel side walls are respectively welded with wheel shafts through a spoke; the seed protection wheel side walls have the same dimension and shape and are arched plates, and the plate surfaces are cylindrical surfaces; and the seed protection wheel side walls are tangent to the seed inlet on the seed case and the seeding opening on the seed box.

The invention discloses a paint spraying device for a surface of a large-diameter chemical pipeline. The paint spraying device for the surface of the large-diameter chemical pipeline comprises a bottom plate; a left vertical plate and a right vertical plate are fixedly mounted on the bottom plate in a vertical welding manner; cross bridgings are arranged at the two sides of sliding sleeve barrelsand fixing plates; electric telescoping rods connected with the sliding sleeve barrels are arranged on a driven rotary shaft or a driving shaft; an output shaft of a positive and negative rotation motor is fixedly connected with the driving shaft in an axial manner and a driving pulley is arranged on the driving shaft; a threaded sleeve barrel is arranged on a threaded rod in a sleeving manner bythreaded connection; a paint spraying shield plate is of a half-arc-plate-shaped structure and a plurality of spray nozzles are uniformly arranged at the inner side of the paint spraying shield platealong the cambered surface; a cavity which communicates with the spray nozzles are arranged in the paint spraying shield plate. The device is strong in adjustability and adaptable to fixing function of steel pipes of different internal diameter; the steel pipe can rotate itself and the spray nozzles can move back and forth along the steel pipe and spray paint on the surface of the steel pipe at the same time, so that the paint spraying effect of the steel pipe can be better, the paint can uniformly attach on the surface of the steel pipe and the waste of the paint can be avoided.