153results about How to "Same size" patented technology

The invention relates to the technical field of polishing devices, in particular to a motorcycle handlebar production polishing device which comprises an operation platform, a clamping mechanism, a polishing mechanism, a driving mechanism and a fitting mechanism, and by arranging the fitting mechanism, an abrasive belt is fitted with a handlebar body in the process that the abrasive belt rotates in the winding direction. The problem that in the prior art, when a grinding device grinds a handle body, in order to guarantee the grinding effect of the position, far away from an abrasive belt, between the handle body and the abrasive belt, the position, close to the abrasive belt, between the handle body and the abrasive belt is excessively ground is solved. In order to solve the problem that the part, far away from the abrasive belt, of the handle body is not sufficiently polished due to the fact that the position, close to the abrasive belt, of the handle body is excessively polished, handle bodies of different sizes and different shapes can be polished on the premise that the handle bodies are evenly polished, and the polishing efficiency is improved. And the universality and the grinding efficiency are improved.

The invention provides a high-gain large-angle beam deflection antenna based on a metasurface, and relates to the technical field of wireless communication. Comprising a first metasurface structure and a dual-polarized microstrip antenna structure which are arranged at an interval from top to bottom; the first metasurface structure is composed of a plurality of first annular patches, a plurality of first cross-shaped round patches, a plurality of first square annular patches, a first dielectric substrate and a second dielectric substrate, and the plurality of first annular patches which are periodically arranged are printed on the upper surface of the first dielectric substrate; a plurality of first cross-shaped circular patches which are periodically arranged are printed on the lower surface of the first dielectric substrate, the plurality of first cross-shaped circular patches are connected to the upper surface of the second dielectric substrate, and a plurality of first square annular patches which are periodically arranged are printed on the lower surface of the second dielectric substrate; the outer diameters of the first annular patches are not changed, and the inner diameters of the first annular patches are reduced along the positive half axis of the x axis. The outer diameters of the first square annular patches are not changed, and the inner diameters of the first square annular patches are reduced along the positive half axis of the x axis. Therefore, the antenna beam deflection is controlled, and the antenna gain is improved.

The invention provides a passenger car blind area pedestrian detection method and system based on improved YOLOv7, and relates to the technical field of artificial intelligence technology and intelligent automobiles, images of passenger car blind area pedestrians are obtained through visual shooting equipment, the collected passenger car visual angle blind area pedestrian images and 17 key point pedestrian images are marked through a Labelimg marking tool, and the passenger car blind area pedestrian detection method and system based on the improved YOLOv7 are obtained. According to the method, a passenger car blind area pedestrian detection data set is constructed, the data set is divided into a training set and a test set, and a YOLOv7 network structure is optimized by embedding a feature extraction enhancement module FEE with hole convolution operation in a detection network Head by taking a YOLOv7 algorithm as a reference through technical innovation. The cavity convolution enlarges the receptive field of the improved model under the condition of keeping the number of parameters unchanged, ensures that the size of an output feature map is kept unchanged, and enables a YOLOv7 detection network to be capable of extracting multi-scale information of a detection target.

The portable packaging paper sleeve for the canned drinks comprises a bottom piece, a first side piece, a second side piece, a first lifting handle piece and a second lifting handle piece, the first side piece and the second side piece are arranged at the two ends of the bottom piece respectively, the first lifting handle piece is arranged on the first side piece, the second lifting handle piece is arranged on the second side piece, and the first lifting handle piece and the second lifting handle piece are arranged on the bottom piece. The first side piece is located between the first handle piece and the bottom piece, the second side piece is located between the second handle piece and the bottom piece, bottom clamping notches are formed in the first side piece and the second side piece, and the bottom clamping notches are located in the positions, close to the bottom piece, of the first side piece and the second side piece. The packaging paper sleeve has the following beneficial effects that the bottom clamping notch and the top clamping notch are formed, the bottom clamping notch and the top clamping notch are used for clamping a can body from the upper end and the lower end correspondingly, and meanwhile the bottom piece, the first lifting handle piece and the second lifting handle piece are used for pressing the can body from the upper end and the lower end correspondingly; therefore, the whole packaging paper sleeve has high stability when clamping the beverage cans.

The invention belongs to the technical field of plant leaf punching and sampling devices, particularly relates to a puncher for accurately detecting nucleic acid of plant leaves and a use method, and aims to solve the problems that existing sampling devices are all provided with metal modules and are reusable sampling devices, and single sampling device is large in size and inconvenient to use. In order to solve the problem that in the prior art, in the prior art, in the prior art, the use requirements of portability and disposable use required by plant leaf pathogen collection are difficult to meet, the following scheme is provided: the device comprises a punching cylinder; the first limiting hole and the second limiting hole are formed in the outer side of the punching barrel; according to the present invention, during the use process, the portable rapid pathogen detection device has characteristics of portability, easy installation, simple sampling operation, convenient and rapid sampling process, consistent size of the cut leaf tissue, regular and uniform shape, and increase of the accuracy of the pathogen detection result, and can be used for the field rapid detection of the field plant, the method has important significance on quarantine, detection, monitoring and prevention and control of plant diseases and insect pests.

The invention discloses an experiment mold for silicone adhesive performance testing, and belongs to the field of experiment molds, the experiment mold comprises a drying box, an operation table is fixedly connected to the outer surface of the lower end of the drying box, a supporting plate is fixedly connected to the outer surface of the upper end of the operation table, a shaping assembly is arranged on the upper side of the supporting plate, and the shaping assembly comprises a hinge part and an extrusion part; and the extrusion part comprises an electric push rod fixedly connected with the outer surface of the lower end of the drying box, and an upper mold is fixedly connected with the outer surface of the lower end of the electric push rod. By arranging the forming assembly, the specification and the size of a silicone adhesive test sample can be kept consistent in the contrast experiment process, so that the initial structure of the silicone adhesive sample can be kept consistent, the silicone adhesive performance can be compared and analyzed better, the test error can be effectively reduced, and the test efficiency is improved. And the silicone adhesive performance test precision is improved.

The invention relates to the field of building material detection, in particular to a quality evaluation method based on low-water-binder-ratio concrete, which comprises the following steps: acquiring a low-water-binder-ratio concrete sample, confirming a sample detection environment based on the low-water-binder-ratio concrete sample, performing cutting operation on the low-water-binder-ratio concrete sample by using a table-type cutting machine, and determining the quality of the low-water-binder-ratio concrete sample. Calculating an intensity value by using a drying tester and a burning tester; calculating a penetration value by using a penetration controller and a penetration tester; starting an ultrasonic sensor; calculating a loss value by using a sending voltage and a receiving voltage; and constructing a concrete quality evaluation model based on a regression analysis result, substituting the strength value, the permeation value and the hydration value into the concrete quality evaluation model to calculate an evaluation value, and completing quality evaluation of the concrete with the low water-binder ratio. According to the invention, the detection speed and accuracy of the low-water-binder-ratio concrete can be improved.

The utility model discloses chip tray detection equipment. The chip tray detection equipment comprises a track assembly, a conveying disc assembly, a shooting assembly and a detection assembly, the track assembly comprises a long-ring-shaped track, the multiple sets of conveying disc assemblies are evenly arranged on the track, the conveying disc assemblies bear chip trays, and the shooting assembly and the detection assembly are erected on the outer side of the track; wherein a camera of the shooting assembly is located above the chip tray, and a detection disc assembly of the detection assembly is located above the chip tray. According to the invention, the chips are embedded in the unified tray, so that the transportation and packaging of the chips are facilitated, and the shooting assembly can shoot the chip tray from the front side, so that whether the tray and the chips in the tray are flat or not is detected; and the detection assembly can effectively detect the length and width of the chip tray, thereby ensuring the consistent size of the chip tray and facilitating transportation and storage.

The invention discloses a jig for identifying a DCB substrate defective product and an identification method of the jig. A jig for identifying defective DCB substrates comprises a bottom plate, a first sliding plate capable of moving along a first straight line is mounted on the bottom plate, and a second sliding plate capable of moving along a second straight line is mounted on the second sliding plate; the center of the first sliding plate and the center of the second sliding plate are each provided with a hollowed-out structure. The second sliding plate is provided with a limiting groove used for containing a product, the product comprises a metal ring, a transparent supporting film is fixed to the metal ring, and a copper-clad ceramic substrate is installed on the transparent supporting film. The outer edge of the bottom plate is connected with an infrared light-emitting mechanism through an external bracket; an air cylinder is installed in the center of the bottom plate, a telescopic rod of the air cylinder is connected with a marking pen, the telescopic direction of the air cylinder is the vertical direction, and the light-emitting direction of the infrared light-emitting mechanism faces the pen point of the marking pen. The position of the defective product and the position of the marking pen are determined through the infrared light-emitting mechanism.

The utility model relates to the technical field of building materials, in particular to a building material smashing device which comprises a main box, a side box is fixedly connected to the lower portion of the right end of the main box, a feeding port is fixedly connected to the upper end of the main box, an operation board is fixedly connected to the upper portion of the front end of the main box, and supporting legs are fixedly connected to the left portion of the main box and the right portion of the side box. Driving motors are fixedly connected to the left parts of the front ends of the main box and the side box, crushing shafts are fixedly connected to the output ends of the two driving motors, side baffles are fixedly connected to the upper parts of the left inner wall and the right inner wall of the main box, and driving round rods are movably connected to the right parts of the main box and the side box in a penetrating and inserting manner; and crushing shafts are fixedly connected to the two driving round rods in a penetrating manner. According to the building material smashing device, gaps of the smashing shaft can be prevented from being clamped when the building material smashing device is used, meanwhile, large-particle metal can be smashed again, and uneven particles are prevented.

The utility model belongs to the field of green plants, and particularly relates to a standard tree ring mold which comprises a green plant fixing ring, a supporting rib and an external fixing ring, one end of the supporting rib is detachably installed on the outer side of the green plant fixing ring in an inserted mode, and the other end of the supporting rib is detachably installed on the inner side of the external fixing ring in an inserted mode. The hard blocking ring is detachably clamped on the external fixing ring; and the shaping scraping piece is detachably mounted on the external fixing ring in an inserted manner. During installation, all the components are combined with a tree trunk as the center, then ridging and shaping are conducted on the outer side of the external fixing ring, the manufactured tree rings are consistent in size, neat, attractive and firm, the shaping scraping piece can shape mixed soil, one side of the shaping scraping piece expands outwards to expand collection of the soil, and the shaping scraping piece is convenient to use. And by means of the handle arranged on the outer side of the shaping scraping piece, a worker can better exert force, a large amount of time is saved, and meanwhile the working efficiency is improved.

The utility model discloses a point pressing die for wafer temperature measurement point wiring, which belongs to the technical field of wafer temperature measurement, and structurally comprises a circular ring inner film, a groove is arranged on the circular ring inner film, a wiring groove is arranged at the bottom of the groove, a pressing film is arranged above the wiring groove, and the pressing film is used for pressing a signal line fixed in the wiring groove; in specific implementation, the signal line of the thermocouple is fixed in the wiring groove, then the signal line is pressed tightly through the pressing film, and the annular inner film is fixed on the wafer, so that when the signal line is pulled, part of pulling force can be differentiated to the annular inner film and then to the wafer, and the situation that the force is concentrated at the joint of the thermocouple and the signal line is avoided; the mold can also standardize wiring of signal lines of the thermocouples and avoid winding disorder of the signal lines, in addition, the sizes of fixed glue points for fixing the thermocouples can be consistent through the mold, pressure is applied to the fixed glue of temperature measuring points through the mold, glue bubbles are discharged, the density of the glue is consistent, and therefore heat conduction consistency is achieved.

The utility model relates to the technical field of lithium battery pole piece manufacturing, and particularly discloses a pole piece rolling device and a pole piece rolling machine. The roller assembly is installed on the installation frame, the roller assembly comprises a first roller and a second roller, and the first roller and the second roller are oppositely arranged; the water cooling assembly is installed on one side of the installation frame, the water cooling assembly is connected with the installation frame, and an adjusting valve used for adjusting the liquid flow is arranged on the water cooling assembly; the roller assembly is in heat conduction connection with the water cooling assembly; the first roller and the second roller can be cooled in the working process, so that the temperature of the first roller and the second roller is kept constant in the working process, the influence of thermal expansion caused by too high temperature on roller gaps is prevented, the sizes of the roller gaps are kept consistent in the working process, and then it is ensured that the thicknesses of rolled pole pieces are kept consistent in the transverse direction and the longitudinal direction.

The utility model relates to the technical field of papermaking equipment, in particular to a stacking and collecting platform for flexographic printing. Comprising a rack, a stacking table, a lifting driving mechanism, two flapping and tidying mechanisms arranged above the stacking table, a position adjusting mechanism arranged at the top of the rack, a distance adjusting mechanism arranged at the adjusting end of the position adjusting mechanism and a rear material blocking mechanism arranged on the rear side of the rack and located between the two flapping and tidying mechanisms. A feeding port is formed in the front side of the machine frame, the feeding port and the rear material blocking mechanism are oppositely arranged, a stacking space is defined by the stacking table, the rear material blocking mechanism and the two beating tidying mechanisms, a counter is arranged at the top of the machine frame, and the counter and the stacking space are correspondingly arranged. According to the paperboard stacking device, printed paperboards can be automatically and neatly stacked, the number of the stacked paperboards can be counted, it is guaranteed that the number of the paperboards stacked every time is consistent, the size of the stacking space is adjustable, and the requirement for stacking the paperboards of different specifications and sizes can be met.

The invention relates to the technical field of plastic manufacturing, in particular to a double-screw granulation device for manufacturing reprocessed plastic pellets, which comprises a machine body, four fan-shaped die heads are fixedly connected around the center of a discharge end of the machine body in an annular array, an outer cylinder is fixedly connected to the edge of the discharge end of the machine body, and every two adjacent fan-shaped die heads are fixedly connected. By means of synchronous contraction type movement and synchronous expansion type movement of the four first arc-shaped cutters and the four second arc-shaped cutters, strip-shaped plastic emerging from two sets of die holes in the four fan-shaped die heads can be continuously and synchronously cut, the sizes of cut granules are consistent, and therefore the granulation quality is improved. And the four arc-shaped cutters I and the four arc-shaped cutters II are always in certain fit with the corresponding fan-shaped die heads, so that the cutting effect on the strip-shaped plastic is better. And the four arc-shaped cutters I and the four arc-shaped cutters II can rotate and are vibrated, so that material blockage is avoided.

This utility model relates to the field of silicon steel coil processing technology, specifically disclosing a base plate for cooling silicon steel coils. It includes: a first base plate arranged in a plurality of circumferential arrays and a second base plate arranged in a plurality of circumferential arrays. The array axes of the first and second base plates are collinear, and the first and second base plates are staggered. The two sides of the top surface of each first base plate are fixedly connected to one edge of the bottom surface of two second base plates, forming a heat dissipation groove between the top surface of each first base plate and the edges of the two connected second base plates. The heat dissipation groove of this base plate significantly improves the heat dissipation conditions at the bottom of the silicon steel coil, increases the heat dissipation area, promotes air convection, and allows heat to be dissipated more quickly and evenly. This solves the problem of limited heat dissipation conditions when silicon steel coils are statically cooled, achieving the effect of improving cooling speed and uniformity, and improving product quality.

The utility model discloses a food package leakproofness detection device, which relates to the technical field of food package leakproofness detection devices, and comprises a base, specifically, the top of the base is fixedly connected with a water tank, the water tank is positioned in the center of the base, and four first electric telescopic rods are fixedly mounted on the inner bottom wall of the water tank; the first electric telescopic rods are evenly distributed at the four corners of the inner bottom wall of the water tank, the telescopic ends of the first electric telescopic rods are fixedly connected with first fixing blocks, the inner side wall of the first fixing block on the left side is rotationally connected with a first rotating rod, and the inner side wall of the first fixing block on the right side is rotationally connected with a first driven rod. The outer sides of the first driven rod and the first rotating rod are rotationally connected with a first conveying belt, the outer side wall of the first fixing block on the left side is fixedly provided with a first motor, the first motor is in transmission connection with the first rotating rod, and the food package sealing detection device is easy to use, convenient to operate and capable of effectively detecting the sealing performance of a plurality of food packages.

The utility model discloses a cell screening device for stem cells, which relates to the related technical field of cell screening devices and comprises a scattering cylinder, a stirring motor, a stirring rod, a filter screen, a centrifugal cylinder and a collecting cylinder. A sealing cover is arranged on the scattering barrel, a cell liquid inlet and a physiological water inlet are formed in the sealing cover, the stirring rod is vertically arranged in the scattering barrel, the stirring motor is arranged on the sealing cover, and the output end of the stirring motor penetrates through the sealing cover and is arranged on the stirring rod; the lower end of the scattering barrel is in a funnel shape, the bottom of the scattering barrel is communicated with a liquid discharging pipe, a valve plate is arranged on the liquid discharging pipe, the filter screen is arranged at the bottom of the liquid discharging pipe, the filter screen is located on the upper portion of the interior of the centrifugal barrel, and the centrifugal barrel is arranged in the collecting barrel in a sleeved mode; the cell screening device can automatically screen out stem cells, and the filtering and separating efficiency of the stem cells is improved.

The utility model relates to the technical field of assembled house, concretely to a new -type composite wallboard for low -rise assembled steel structure house, include: wallboard, connecting piece, connecting piece includes first screw rod and tension structure, first screw rod and tension structure clasp, be used for in horizontal direction tension adjacent two wallboards, fixed part, fixed part is used for the fixation between wallboard and steel structure main part, the utility model discloses, utilize the clasp of second screw and first screw rod, can realize the fixation of adjacent two wallboards, guarantee the size same of the joint gap between wallboard, utilize the clasp of second screw and first screw rod, can drive two sealing pieces and press mutually, realize the sealing of wallboard joint gap, can avoid the movement in horizontal direction between wallboard simultaneously, through setting up the cushion block between wallboard top surface and upper clamping groove, can avoid the up and down movement of wallboard, can be convenient for post -stage dismounting simultaneously, the repeated use of wallboard is convenient.

The utility model relates to the technical field of engineering machinery, and discloses a trolley suitable for a flat arm mode and a movable arm mode and a tower crane. The trolley comprises a frame and a hoisting wheel assembly; the lifting wheel assembly comprises a lifting wheel frame, a first pulley, a second pulley and a third pulley, the lifting wheel frame is arranged on the frame, the first pulley, the second pulley and the third pulley are arranged on the lifting wheel frame at intervals in the linear direction, and the included angle formed by the connecting line direction of the first pulley, the second pulley and the third pulley and the length direction of the frame is an acute angle. The trolley can be suitable for the boom in a movable arm mode or a flat arm mode, the size of the trolley frame does not need to be increased, the size and the weight of the trolley can be kept unchanged, and therefore the suspended load performance of the boom is guaranteed.

The invention discloses a high-temperature alloy thin-wall cylindrical part and a manufacturing method thereof. The manufacturing method comprises the steps that a three-dimensional model of the thin-wall cylindrical part is established; grid division is conducted on the three-dimensional model of the thin-walled cylindrical part, and a three-dimensional grid model of the thin-walled cylindrical part is obtained; material parameters and 3D printing process parameters are determined; heat treatment simulation optimization is conducted according to the three-dimensional mesh model and the material parameters of the thin-walled cylindrical part, and final heat treatment process parameters are obtained; 3D printing is conducted according to the three-dimensional mesh model, the material parameters and the 3D printing process parameters of the thin-wall cylindrical part, and a middle thin-wall cylindrical part is obtained; and carrying out heat treatment on the middle thin-wall cylindrical part according to the final heat treatment process parameters to obtain the final thin-wall cylindrical part. According to the method, deformation of the final thin-wall cylindrical part can be reduced by simulating and optimizing the heat treatment process, meanwhile, it is guaranteed that the size of the final thin-wall cylindrical part is not changed, existing equipment does not need to be changed, and the workload of follow-up treatment is effectively reduced.

The present invention discloses an automatic bag taking structure in the technical field of cement production and a bagging machine for a cement production line, comprising a woven bag, a material storage mechanism, the material storage mechanism is used to store cement produced by the cement production line; a quantitative mechanism, the quantitative mechanism is arranged at the right end of the material storage mechanism; a rectangular cylinder, the rectangular cylinder is fixedly connected to the lower end of the quantitative mechanism; the woven bag is sleeved on the rectangular cylinder, and the lower end of the rectangular cylinder is inserted into the bottom of the woven bag; a supporting mechanism; a bagging mechanism, the bagging mechanism is arranged on the outer wall of the rectangular cylinder; the present invention sleeves the woven bag on the outer wall of the rectangular cylinder, and first loads the cement in the woven bag to be loaded into the rectangular cylinder and then transfers it to the woven bag, so that the packaging process can effectively reduce the impact force during the cement loading process, thereby effectively improving the flatness of the surface of the woven bag; at the same time, reducing the impact force during the cement loading process can also effectively reduce the amount of dust during the cement packaging process.

The invention discloses biogas purification equipment, and relates to the technical field of biogas purification, the biogas purification equipment comprises an absorption tank, a regeneration tank and a settling tank which are fixedly mounted on a mounting seat, a gas inlet pipe and an exhaust pipe are fixedly mounted on the absorption tank, and a spray pipe and an extraction pipe are communicated between the absorption tank and the regeneration tank; a spray head is fixedly installed at the end, located in the absorption tank, of the spray pipe, a fixed pipe is fixedly installed in the absorption tank, the inner diameter of the fixed pipe is larger than that of the spray head, a plurality of fan-shaped plates are fixedly installed in the fixed pipe in sequence from top to bottom, and a mounting frame is further fixedly installed at the bottom of the fixed pipe; and a rotating shaft is rotationally mounted on the mounting frame. The device has the advantages that the quantitative desulfurization solution pumped into the absorption tank is expanded into a water film form and is mixed with the quantitative biogas input into the absorption tank, so that the mixing uniformity of the desulfurization solution and the biogas and the maximum desulfurization effect can be ensured, and the problem of high loss of the desulfurization solution is avoided.

The invention relates to the technical field of food processing, and discloses a cheese powder mixing device, comprising a chassis, a mixing drum is rotatably installed in the inner cavity of the chassis, a door covering the front entrance of the mixing drum is hingedly installed on the front of the chassis, a driving motor for driving the mixing drum to rotate is arranged on the lower side of the chassis, a mounting plate is fixedly installed inside the chassis, a feeding shaft is fixedly installed on the end face of the mounting plate, a rotating sleeve is rotatably installed on the surface of the feeding shaft, and a rotating roller is rotatably installed on the end face of the mounting plate. The device utilizes the raised strips on the surface of the rotating roller to extrude the transmission sleeve, and extrude the cheese into cheese balls. Since the transmission sleeve and the feeding trough contain cheese powder, the cheese balls are extruded and formed in the cheese powder, so that the powder coated on the surface of the cheese balls is not easy to fall off, and the problem of cheese balls sticking to each other is solved. Then, the mixing drum is used for screening, and the extrusion, coating and screening processes of food processing are completed at one time, thereby improving production efficiency and product quality.

The cutting machine comprises a shell, a transmission mechanism, a cutting mechanism and a conveying mechanism, the transmission mechanism is fixed to the side wall of the shell, the cutting mechanism is erected in the shell, the transmission mechanism is fixedly connected with the cutting mechanism, the conveying mechanism comprises a feeding conveying belt, one end of the feeding conveying belt is arranged on the transmission mechanism in a sleeved mode, and the other end of the feeding conveying belt is fixedly connected with the cutting mechanism. By controlling the transmission mechanism to rotate, when the cutting mechanism is lifted, food materials are fed forwards along with the intermittent transmission mechanism, and when the cutting mechanism falls, the food materials are stopped from being fed, so that under the driving of the transmission mechanism, the food materials are fed forwards along with the intermittent transmission mechanism. By means of the intermittent cutting mode, the up-and-down cutting speed of the cutting mechanism can be kept consistent with the food material feeding speed of the feeding conveying belt, so that the food material cutting quality is guaranteed, the cut food sections are consistent in shape and size, the cutting process can be precisely controlled through the intermittent cutting mode, and the cutting efficiency is improved. And the quality standard of industrial batch cutting is met, blade abrasion is reduced, the maintenance cost is reduced, and the working efficiency is improved.

The utility model relates to chicken manure reprocessing technical field, specifically disclose a kind of air-drying chicken manure bagging auxiliary device, including central funnel;The lower end of the central funnel is communicated and is fixed with square tube;Sliding plug-in has movable pipe in the square tube;The movable pipe is equipped with vertical through slot;The vertical through slot center is fixed with center baffle;Two ends of the movable pipe are symmetrically fixed with movable limit plate;By filling the chicken manure in central funnel after air-drying, then by pulling movable pipe and displacing, center baffle and the lower end opening of central funnel are misaligned, air-drying excrement falls from central funnel and fills in the vertical through slot of one side under the action of gravity, then continue pulling movable pipe, so that movable limit plate is attached fixed limit plate, so that the lower end of vertical through slot is completely exposed, so that air-drying excrement falls, bagging collection is carried out, so that the volume of air-drying chicken manure collected each time is same, convenient statistics and bagging.

The present invention relates to the field of data communication technology, and in particular to a communication method based on a multi-operating system, the method comprising determining the data type of data to be transmitted and the sensitive type and sensitivity of each data type, determining the data sensitivity equivalent of each data packet, dividing the data packet into data transmission packets, determining the number of transmission channel occupancy of each data transmission packet according to the data sensitivity equivalent of the data packet to determine the occupied transmission channel, determining the backup lower limit and transmission lower limit of each data packet according to the associated type to determine the to-be-transmitted packets and partial transmission packets of the corresponding data packet, determining the actual transmission packets of each data transmission packet, and performing data communication according to the actual transmission packets of each data transmission packet and the occupied transmission channel. The present invention reduces resource waste, improves the overall responsiveness and efficiency of the system, and provides a basis for cross-system communication.

The present invention relates to the technical field of three-dimensional parking garages, and specifically to a wire rope traction three-dimensional parking garage lifting system; it solves the technical problems that the chain and sprocket are easily separated during high-speed transmission in the existing super-high-rise three-dimensional parking garage lifting system, and the noise is large during high-speed operation, and the transmission stability is poor. The technical solution of the present invention is: a wire rope traction three-dimensional parking garage lifting system, including a frame, a power transmission system, and two combined wheel trains; the power transmission system includes a reduction motor and a main shaft connected at both ends thereof; the combined wheel train includes a traction wheel, a first support pulley, a second support pulley, a third support pulley, a guide wheel train, a first wire rope, and a second wire rope; one end of the first wire rope is connected to the elevator, and the other end is connected to the counterweight mechanism after passing through the second support pulley, the traction wheel, the first support pulley, and the first guide wheel train; the second wire rope is connected in the same way as the first wire rope.

The magnesium alloy comprises the following components in percentage by mass: 9.53% of aluminum, 0.59% of zinc, 0.28% of manganese, 0.0025% of iron, 0.04% of silicon, 0.003% of copper and the balance of magnesium element. The invention also discloses a preparation method of the shock-absorbing and noise-reducing magnesium alloy, which comprises the following steps: step 1, determining the components and weight of the magnesium alloy powder, preheating the powder of each component in a vacuum drying oven, and taking out the powder after cooling; secondly, a magnesium alloy base plate is selected and preheated; thirdly, modeling is conducted on the three-dimensional structure of the magnesium alloy, a model is stored and transmitted into layering software, and after slicing layering treatment is conducted, the model is guided into selective laser melting additive manufacturing equipment; fourthly, the selective laser melting additive manufacturing equipment is started, and printing parameters are set; and fifthly, the structural magnesium alloy formed part obtained through printing is cut and separated from the base plate, and a structural magnesium alloy finished product is obtained after polishing.