46results about How to "Short time spent" patented technology

The invention discloses a picture resource identification method and a related device, and relates to the technical field of picture identification, and the method comprises the following steps: responding to a picture resource identification trigger instruction, and identifying a picture resource from a resource file name under a directory structure of an iOS project; screening out all first picture resource file names meeting a preset picture resource file extension name requirement to obtain a first array, determining second picture resource file names having a reference relationship with the code files from the code files under the directory structure of the iOS project to obtain a second array, and comparing the first array with the second array to obtain a first picture resource file name and a second picture resource file name; and searching the target picture resource file names which exist in the first array and do not exist in the second array, and determining the picture resources corresponding to all the target picture resource file names as the identified useless picture resources. According to the method and the device, the useless picture resources in the iOS project are automatically identified, the consumed time is short, the efficiency is high, and the useless picture resources can be accurately identified.

The utility model discloses a building facade net pulling plate curtain wall structure, which belongs to the technical field of net pulling plate curtain wall structures and comprises a net plate unit and a fixed beam, a plug connector is arranged on the rear end face of the net plate unit, a clamping connector is welded on the fixed beam, and the plug connector comprises a plug connector shell. Two convex sliding grooves which are arranged up and down are formed in the plugging shell, reset springs are fixedly arranged at the bottoms of the convex sliding grooves, convex sliding strips are arranged in the convex sliding grooves in a sliding mode, wedge-shaped clamping blocks are fixedly connected to the convex sliding strips, and wedge-shaped clamping grooves are formed in the clamping pieces. Therefore, when the net plate unit is installed, in the inserting process of the inserting piece, the wedge-shaped clamping block on the inserting piece can push the convex sliding strip to retract inwards under the extrusion effect of the clamping piece, so that the inserting piece can be normally inserted, after the inserting piece is completely inserted, the wedge-shaped clamping block can pop out and be clamped into the wedge-shaped clamping groove under the thrust effect of the reset spring, and therefore the net plate unit is installed. And the fixed connection of the plug connector and the clamping connector is realized.

The invention relates to a long-life room-temperature phosphorescent carbon dot-silicon dioxide composite material, which is prepared by the following steps: adding trinitropyrene and boric acid into an aqueous solution of sodium hydroxide, fully dissolving the trinitropyrene and the boric acid through ultrasonic treatment, carrying out hydrothermal reaction to obtain a brown solution, and freeze-drying to obtain brown carbon dot powder. Placing the powder in a beaker, and adding tetraethyl orthosilicate and ammonia water to obtain a milk white solution; and centrifuging, washing, drying, grinding and calcining the obtained milky white solution to obtain the long-life room-temperature phosphorescent carbon dot-silicon dioxide composite material. The preparation method is characterized in that the long-life room-temperature phosphorescent carbon dot and silicon dioxide composite material is obtained by a calcination method and has the advantages of simplicity and convenience in operation, high yield and the like. In addition, the long-service-life room-temperature phosphorescent carbon dot-silicon dioxide composite material prepared by a calcination method realizes that green phosphorescence can be seen by naked eyes for 30 seconds after an ultraviolet lamp is turned off. And the medicines used for preparation are nontoxic, harmless and low in price.

The utility model relates to a universal lifting appliance for steel shell tower sections, which comprises a frame, main balance beams, auxiliary balance beams and a lifting assembly, at least one main balance beam is welded inside the frame, a plurality of auxiliary balance beams are further welded between the main balance beams and the frame, and the lifting assembly is connected with the main balance beams and the auxiliary balance beams. A plurality of crane lifting lugs used for being connected with a crane in a hanging mode are evenly welded to the upper end face of the frame. And a plurality of hoisting assemblies are uniformly welded on the lower end surface of the frame. The steel shell tower crane has the advantages that the four crane lifting lugs and the four lifting assemblies are arranged, the four-point lifting design enables lifting stress to be plumb to the ground as much as possible, horizontal deformation of the upper end of a steel shell tower is reduced, and manufacturing precision is improved; 2, a *-shaped structure is adopted and is consistent with a steel shell tower shell, and auxiliary balance beams are mounted on diagonal lines to support horizontal stress and the like;

The present application relates to a kind of spectral analysis system and method, specifically, a kind of laser-induced breakdown spectroscopy analysis system and method based on suspended electrode and filter paper.The system includes filter paper, adjustable sample stage, high-voltage discharge device, suspended electrode, laser ablation device and spectral signal acquisition and analysis device.The present application uses suspended electrode to change the distribution characteristics of high-voltage electric field, increase local electric field line density and electric field intensity, improve the collision frequency of charged particles in plasma, so as to further enhance the detection sensitivity of LIBS to trace elements, and reduce its detection limit.High-voltage discharge device is used to excite laser plasma again, to improve the detection and analysis ability of target elements.Filter paper enrichment method is used for pretreatment of the sample to be measured, which can effectively reduce the interference of liquid matrix on plasma spectral signal, and improve the sensitivity and stability of detection signal.

The invention provides a method for checking the integrity of a starting function of a fuel nozzle in a complete machine state. A nitrogen cylinder, a valve switch, a pressure gauge and a gas supply pipeline connecting the nitrogen cylinder, the valve switch and the pressure gauge together form a pressure supply system; the process switching nozzle is a switching section designed to adapt to the checking method in the whole machine state, and a checked piece, namely a fuel oil main pipe with a nozzle, can be connected with a pressure supply system in series. When the starting function of the fuel main pipe needs to be checked, the engine pipeline is disconnected, and the process adapter nozzle and the pressure supply system are sequentially connected to complete the integrity check of the starting function of the fuel nozzle; and after inspection is completed, the process adapter nozzle is disconnected, the engine pipeline is reconnected, and the engine continues to complete the test run task according to the test run program. The method has the advantage that the problem of checking the integrity of the starting function of the fuel nozzle in the whole engine state is solved. Detection equipment is simple, easy to operate, high in function integration, high in precision and short in consumed time, and has huge economic benefits and social benefits.

The invention discloses a device capable of performing live deicing on a line, the device comprises an unmanned aerial vehicle body, the bottom of the unmanned aerial vehicle body is provided with a mounting assembly, a deicing assembly and a suspension assembly, the mounting assembly comprises a lantern ring, and the bottom of the lantern ring is fixedly connected with a telescopic rod. By arranging the lantern ring, the telescopic rod, the fixed pulley block, the spring, the traction rope, the movable pulley block, the lifting hook and the connecting rod, the connecting rod and the wire clamping groove are driven to stretch out and draw back through the self weight, and a line is conveniently clamped between the wire clamping groove and the icebreaking head subsequently; by arranging the icebreaking head, the piston barrel, the power assembly, the signal transmission device, the wire clamping groove, the sliding rod, the guide sleeve and the assembly plate, the piston barrel transmits vibration to a line between the icebreaking head and the connecting rod, high-frequency vibration of the line is caused, ice covering the line is removed, remote control deicing is achieved, the number of needed operators is small, the consumed time is short, and the deicing effect is good; and power-off operation is not needed.

The invention discloses a gear-shifting motor installation docking mechanism, relates to the technical field of motor installation, and is used for connecting the gear-shifting motor and electrical equipment, comprising: a docking seat, which is fixedly connected to a housing of the electrical equipment and has a plug-in groove thereon; a sliding ring, which is slidably connected in the plug-in groove, and the sliding ring is radially slidably connected with a plurality of locking rods distributed in an annular shape; a docking plate, which is fixedly connected to the housing of the gear-shifting motor and has a plurality of docking grooves distributed in an annular shape thereon; the gear-shifting motor installation docking mechanism drives each locking rod to lock the docking plate of the gear-shifting motor through a transmission component, and simultaneously synchronizes the output shaft of the gear-shifting motor with the special-shaped docking shaft hole in the inner tube, and the entire installation process does not require a mechanical docking method of flange bolt connection, and the operation steps are simple, the time spent is short, and the work intensity of the staff is reduced to a certain extent.

The utility model relates to a sensor rapid replacement structure of an SF6 on-line monitoring system, which comprises a high-voltage switch cabinet and an SF6 monitoring sensor, the lower end of the SF6 monitoring sensor extends into the high-voltage switch cabinet through a mounting port, a fixing device is arranged between the high-voltage switch cabinet and the SF6 monitoring sensor, and the SF6 monitoring sensor is arranged in the fixing device. The fixing device comprises a connecting rod, a vertical rod, an extrusion block, a fixing groove, a sliding block, a connecting shaft and an arc-shaped clamping block. According to the utility model, when the SF6 monitoring sensor extends into the high-voltage switch cabinet along the mounting port, the extrusion block extrudes the sliding block in the fixing groove, so that the sliding block moves towards the sensor, the arc-shaped clamping block clamps and fixes the sensor, and when the extrusion block completely enters the fixing groove, the arc-shaped clamping block cannot transversely move any more, so that the SF6 monitoring sensor is fixed. When the SF6 monitoring sensor is disassembled and replaced, only the sensor needs to be pulled out of the installation opening, a new sensor needs to be replaced, then the installation operation is repeated, the replacement steps are simple, the consumed time is short, and rapid replacement of the SF6 monitoring sensor is achieved.

The invention discloses a device for conveniently analyzing the distribution of soil nutrients in a root box and a method for using the device, comprising a root box body, a soil extractor punching plate, a soil guide punching plate and a container punching plate; the root box body is in a U-shaped structure; a back baffle and a front baffle are respectively arranged on the front and rear sides of the root box body; protrusions are fixedly connected to the outer sides of both sides of the front baffle and the back baffle; a plurality of clamping blocks are slidably connected between the mutually corresponding protrusions, and the clamping blocks are in a U-shaped structure; the soil in the root box body is collected by sleeve-setting with a first hollow column, so no matter it is inserted into the soil or pulled out of the soil, the soil will not fall off and be contaminated with each other. In the case of limiting the soil with the help of the back baffle and the insertion hole, the soil will not be mixed during the insertion and extraction process, so that the possibility of soil contamination between different areas is lower, and the measured data is more accurate.

The sectional type high-density steel wire reinforcing rib communication optical cable comprises a reinforcing layer, a cable core layer, a waterproof layer and a protective layer, the reinforcing layer is arranged in the center of the communication optical cable; the cable core layer wraps the reinforcing layer and comprises a plurality of cable core units, and each cable core unit comprises a loose tube and a communication optical fiber arranged in the loose tube; the cable core units are distributed on the outer side face of the reinforcing layer in a surrounding mode, and the lengths of the cable core units are different. The waterproof layer wraps the cable core layer. The protective layer wraps the waterproof layer. According to the communication optical cable, the communication optical fibers in the communication optical cable are arranged in a sectional mode, the communication optical fibers are manufactured into different length specifications for cabling according to the distribution positions of the optical fiber sensors in engineering, and the communication optical cable has the advantages of being accurate in opening, easy to weld, convenient and fast to seal and good in sealing performance; waste of communication optical fibers can be effectively avoided, and the protection capability of communication optical cables and the stability of communication signals in environments with complex natural conditions such as islands and reefs are improved.

The application relates to the technical field of mine mechanical equipment, and provides an underground multifunctional carrier vehicle, which comprises a main vehicle frame, a directional caster wheel arranged at the front end of the main vehicle frame, a rotary connecting rod, one end of the rotary connecting rod being rotationally connected with the main vehicle frame, a split vehicle frame, the split vehicle frame being connected with the other end of the rotary connecting rod, and a universal caster wheel arranged at the connecting end of the split vehicle frame and the rotary connecting rod. In a first mode of the split vehicle frame, the split vehicle frame is rotated and folded around the rotary connecting rod, the split vehicle frame and the main vehicle frame are parallel and superimposed, the universal caster wheel is lifted and suspended and is accommodated in the inner side of the directional caster wheel, and the directional caster wheel independently supports the main vehicle frame. In a second mode of the split vehicle frame, the split vehicle frame is rotated and unfolded around the rotary connecting rod, the split vehicle frame and the main vehicle frame form a preset included angle, the universal caster wheel falls and supports the main vehicle frame together with the directional caster wheel. Through the rotary deformation structure between the main vehicle frame and the split vehicle frame, function integration and conversion are realized.

The utility model relates to a water tank convenient to clean dirt, which belongs to the technical field of water tank cleaning and comprises a water tank body, a replacement cleaning mechanism is arranged on the water tank body and comprises a fixing ring fixedly mounted on the outer side of the water tank body, and a replacement tank cover is clamped at the top of the fixing ring. A cleaning box is fixedly installed at the bottom of the replacement box cover, and a spray head is installed at the bottom of the cleaning box. According to the water tank facilitating dirt cleaning, through the arranged replacing and cleaning mechanism, after the water tank body is used for a period of time, an original water tank cover is detached and replaced with a replacing tank cover through mutual cooperation of all structures on the water tank body; the driving motor drives the replacement tank cover upper structure to repeatedly clean the inner wall of the water tank body during operation, so that dirt accumulation is effectively prevented, the cleaning process takes a short time, the cleaning effect and the cleaning efficiency are improved, and meanwhile, the service life of the water tank body is prolonged.

The present invention discloses a method, device, equipment and medium for verifying interactive data of a programmable device, and belongs to the field of integrated circuit technology. It includes: obtaining interactive data to be verified; obtaining a first public key digest and a second public key digest of the interactive data through a first digest algorithm; obtaining a first data stream digest and a second data stream digest of the interactive data through an RSA encryption algorithm, and obtaining a third data stream digest of the interactive data through a second digest algorithm; judging whether the first public key digest and the second public key digest are consistent, and obtaining a public key judgment result; judging whether the first data stream digest, the second data stream digest and the third data stream digest are consistent, and obtaining a data stream judgment result; determining whether the interactive data has been tampered with or part of the data has been lost according to the public key judgment result and the data judgment result. The verification speed of the interactive data of the present invention is fast and the time spent is short, thereby shortening the development cycle of the entire programmable device.

The application discloses an annealing method of a cadmium zinc telluride wafer, which comprises the following steps: S1, placing the cadmium zinc telluride wafer and tellurium powder into different positions of an annealing furnace, and sealing the annealing furnace and then vacuumizing; S2, slowly heating the annealing furnace to 790-805 DEG C, and then performing heat preservation; and S3, slowly cooling, and thus obtaining the cadmium zinc telluride wafer. The annealing method has the advantages of easy operation, short technological process, strong controllability, short time required, low number of bright spots of the cadmium zinc telluride wafer with a diameter of 0.3 microns after annealing (less than 30), low internal stress, uniform composition, high resistivity, few particle inclusions, and the like, and the method can process hundreds of wafers at one time, so that the processing efficiency is high, and the method has considerable application prospect.

The utility model discloses a fire-fighting water pipe winding device, which relates to the technical field of fire-fighting equipment, and comprises a base, the base is connected with a winding plate, the winding plate is provided with a winding shaft, the winding shaft is connected with a three-jaw winding frame, the base is provided with a driving motor in transmission connection with the winding shaft, and the three-jaw winding frame is connected with the winding plate. And water squeezing mechanisms are arranged on the two sides of the winding plate. The fire hose winding device has the beneficial effects of being high in fire hose winding efficiency and short in consumed time.

The utility model discloses a fetching bag for a laparoscope, and relates to the technical field of fetching bags. The object taking bag comprises a hollow pipe, a fixing block is arranged at one end of the hollow pipe, an object taking bag body is arranged on the fixing block, a display screen is arranged on one side of the hollow pipe, a handle is arranged on one side of the hollow pipe, and an adjusting assembly is arranged on the fixing block. Operating forceps are placed in through the hollow pipeline of the hollow pipe, a specimen is pulled into a specimen bag in the framework, then the adjusting block is pushed in the opposite direction, the wedging block is located in the other wedging groove, the first trapezoidal block is matched with the first trapezoidal groove, and the pulling effect on the connecting block is achieved; the movable block drives the object taking bag body on the auxiliary framework of the adjusting assembly to contract, so that the contracted object taking bag body takes out the specimen through the natural cavity, the object taking device can be opened and closed autonomously, and the specimen bag can be straightened and opened in the abdominal cavity without assistance of other operators.

The invention relates to a subsea tunnel integrated maintenance device and a working method, belongs to the technical field of subsea tunnel maintenance, and solves the defect that multiple devices are needed during existing tunnel maintenance. The subsea tunnel integrated maintenance device comprises a walking vehicle, a mechanical arm is installed on the walking vehicle, a spraying pump is arranged in front of the mechanical arm, and an air compressor is arranged on one side of the spraying pump; storage boxes are arranged on the two sides of the mechanical arm, a water tank is fixed to the top faces of the storage boxes, a coating barrel is arranged in the storage box on one side and connected with a spraying pump, an air tank is arranged behind the mechanical arm and connected with an air compressor, a grouting pump is arranged behind the air tank, and slurrying mechanisms are arranged on the two sides of the area where the air tank and the grouting pump are located. The slurry making mechanism is connected with the water tank through a water pipe and a water pump, the slurry making mechanism is connected with the grouting pump through a slurry pipe, the maintenance device further comprises a clamping jaw mechanism and a nozzle mechanism, the clamping jaw mechanism and the nozzle mechanism can be detachably connected to the tail end of the mechanical arm, and the maintenance device is high in integration degree and saves labor.

The invention discloses an activated iron-based nanocrystalline alloy and application thereof in degradation of phenol, and belongs to the technical field of sewage treatment. According to the method, copper sulfate is used for activating the iron-based nanocrystalline alloy so as to expand the applicable pH range of the iron-based nanocrystalline alloy for degrading phenol, compared with other methods for degrading phenol, the raw material, namely the industrial iron-based nanocrystalline alloy, used in the method is low in price and convenient to obtain, the effect of reinforcing the phenol degradation of the iron-based nanocrystalline alloy is remarkable, and the cost is low. The phenol degradation method provided by the invention is simple to operate, high in practicability, high in degradation rate and convenient to popularize and industrialize, and has very important significance for realizing cyclic utilization of water resources, environmental governance, energy conservation and emission reduction and sustainable development.

The utility model relates to the technical field of melt flow grooves, in particular to a secondary aluminum melt flow groove which comprises a first groove body, a second groove body is arranged at the top of the first groove body, an open groove is formed in the second groove body, a filter box is arranged in the first groove body and corresponds to the open groove, and the filter box is connected with three first filter frames in a sliding mode. The bottom of the filter box is slidably connected with a second filter frame, and filter screens are fixedly connected to the interiors of the first filter frame and the second filter frame. According to the aluminum liquid filtering device, the filtering box is arranged in the first groove body, aluminum liquid can penetrate through the opening groove to fall into the filtering box, the aluminum liquid is filtered through the filtering nets on the first filtering frame and the second filtering frame, particle impurities stay in the filtering box, and the filtering box can be taken out of the first groove body and replaced with a new filtering box; and when particle impurities in the old filter box are cleaned, the molten aluminum can be continuously filtered through the new filter box, so that the influence of the cleaned particle impurities on the machining drainage of the molten aluminum can be reduced.

The utility model provides a high-strength mobile phone mainboard upper cover assembly, which comprises a decorative frame and an upper cover plate, a plurality of bolts are arranged on one side of the upper cover plate at intervals, a plurality of supporting seats are fixed in the decorative frame at intervals, the threaded ends of the bolts penetrate through the upper cover plate and extend into the supporting seats, and the upper cover plate is fixed on the upper cover plate. A battery mounting area is arranged on one side of the upper cover plate, a heat dissipation assembly is arranged on the other side of the upper cover plate, the heat dissipation assembly comprises cooling fins and heat conductors, a plurality of mounting grooves are formed in one side of the decoration frame in a penetrating mode, the heat conductors are mounted in the mounting grooves, and the heat conductors are arranged in the mounting grooves. According to the mobile phone mainboard upper cover, the problem that the separation and installation processes of the existing mobile phone mainboard upper cover and the decoration frame are time-consuming and labor-consuming is solved by adopting the mobile phone mainboard upper cover, the mobile phone mainboard upper cover and the decoration frame are separated from each other, and the installation process of the mobile phone mainboard upper cover and the decoration frame is time-consuming and labor-consuming.

The invention discloses a device for conveniently analyzing soil nutrient distribution in a root box and a use method of the device. The device comprises a root box body, a soil sampler punched plate, a soil guider punched plate and a container punched plate, the root box body is of a U-shaped structure; a back baffle and a front baffle are respectively arranged on the front and back surfaces of the root box body; protruding blocks are fixedly connected to the outer sides of the two sides of the front baffle and the back baffle. A plurality of clamping blocks are jointly connected between the protruding blocks corresponding to each other in a sliding mode, and each clamping block is of a U-shaped structure. Soil in the root box body is collected in a sleeved mode through the first hollow column, so that soil cannot fall off to cause mutual pollution no matter the root box is inserted into the soil or pulled out of the soil, soil cannot be mixed in the inserting and pulling process under the condition that the soil is limited through the reverse baffle and the inserting holes, and the soil is prevented from being damaged. Therefore, the possibility of mutual pollution of soil in different areas is lower, and the measured data is more accurate.

The application relates to a positioning self-calibration method of a mobile lamp and the mobile lamp, which comprises an absolute encoder for indicating the rotation angle of the mobile lamp and a driving device for driving the rotation of the mobile lamp; and the method comprises the following steps: S1. multiple preset positioning reference points are arranged in a circumferential range; before delivery, the driving device drives the rotation of the mobile lamp, and meanwhile, the first output values of the absolute encoder corresponding to all the preset positioning reference points are acquired; S2. after delivery, the driving device drives the rotation of the mobile lamp, and meanwhile, the second output values of the absolute encoder are acquired; when the second output values are equal to the first output values corresponding to the preset positioning reference points before delivery, the preset positioning reference points are taken as the calibrated positioning reference points; and S3. based on the calibrated positioning reference points, the positioning of the mobile lamp is performed. The reset process of the application does not need to rotate to the limit in a certain direction to stop by collision, so as to find the initial position, the positioning is fast, the situation that a larger noise is emitted by collision is avoided, and the use experience is improved.

The invention relates to a preparation method of a long-life room-temperature phosphorescent carbon dot and boron oxide composite material, which comprises the following steps: adding trinitropyrene and boric acid into a sodium hydroxide aqueous solution, fully dissolving the trinitropyrene and the boric acid through ultrasonic treatment, and carrying out hydrothermal reaction to obtain a brown solution; and finally, calcining the brown powder in a muffle furnace to obtain the long-service-life room-temperature phosphorescent carbon dot-boron oxide composite material. The preparation method is characterized in that the long-life room-temperature phosphorescent carbon dot and boron oxide composite material is obtained by a simple preparation method, and has the advantages of simplicity and convenience in operation, high yield and the like. In addition, the prepared long-service-life room-temperature phosphorescent carbon dot and boron oxide composite material has good phosphorescence performance, and orange phosphorescence can be seen by naked eyes for 12 s after an ultraviolet lamp is turned off. The medicines used for preparation are nontoxic, harmless and low in price, the preparation is simple, and the used time is short.

The performance verification system of the liquid carrier rocket self-destruction device comprises a solid rocket, a simulation storage box, a solid rocket fixing tool, a simulation storage box fixing tool and a power supply device, and the solid rocket fixing tool and the simulation storage box fixing tool are both fixed to the ground; the simulation storage tank is vertically fixed on the simulation storage tank fixing tool; the solid rocket is arranged on the outer side of the simulation storage tank, and the solid rocket is fixed on the solid rocket fixing tool and placed in the direction perpendicular to the simulation storage tank. The verification system meets rocket safety control requirements, and is low in cost, safe and effective.

The present invention discloses an upper drainage submerged membrane device and a flushing control method thereof, comprising a sealed space provided inside the device body, an exhaust hole provided on the top; at least one membrane box fixed in the device body, a membrane assembly provided in the membrane box; a water inlet unit provided below the membrane box; a water production unit provided above the membrane box; an aeration unit provided below the membrane box; a backwash unit; an upper discharge unit provided above the membrane box; and a lower discharge unit provided below the membrane box. The lower water inlet and upper drainage of the present invention can realize intermittent air-water flushing during water production operation, and realize non-stop water flushing and upper drainage, so as to reduce the concentration of suspended matter during operation and reduce the flushing frequency; it can realize simplified flushing and drainage of only upper drainage but not lower drainage or lower drainage but not emptying for several times in the water production stage, and then perform a complete air-water flushing, air-water backwashing upper drainage, lower drainage, and emptying shutdown flushing and drainage, and the flushing and drainage in the water production stage can shorten the time consumed for drainage and intake, and reduce the drainage volume.

The invention discloses an auxiliary binding device for a wedge-shaped wire clamp and a steel strand. The auxiliary binding device comprises a wire bending mechanism, a wire pulling mechanism and a binding mechanism which are arranged on a frame body, the wire bending mechanism is used for bending the steel strand to form a bending radian matched with the arc part of the tongue plate of the wedge-shaped wire clamp; the wire pulling mechanism is used for applying pulling force to a main wire of the steel strand after the bent steel strand is connected with the wedge-shaped wire clamp, so that the main wire of the steel strand is straightened on the frame body; and the binding mechanism is used for winding a binding wire on the main wire and the bent tail wire of the steel strand after the steel strand is straightened. The device can be used in a construction site, stay wire manufacturing can be completed by one person, labor intensity is low, consumed time is short, and working efficiency and stay wire manufacturing quality are greatly improved.

A time-space complementary information-based ultrasonic cardiac video frame ROI rapid and accurate extraction method comprises the following steps of inputting an ultrasonic cardiac video, and extracting an initial mask in combination with time-space complementary information; correcting the initial mask; and drawing the corrected initial mask by using a Hough transform straight line detection method to obtain a standard fan-shaped mask. According to the method, after an ROI initial mask is obtained by combining an input echocardiography video with time-space complementary information, geometric information for drawing a standard mask is obtained from the improved initial mask, and thus a standard ROI mask is obtained. The method does not need a large amount of training data, does not have the problem of algorithm overfitting, and has good accuracy and stability.

The present invention provides a hot pressing line mold destacking jig, comprising a supporting steel beam, a plurality of automatic destacking jig components are symmetrically arranged on both sides of the supporting steel beam, the automatic destacking jig component comprises a support, a first circular servo motor is arranged inside the support, a first supporting arm is arranged on the side of the first circular servo motor away from the supporting steel beam, a first movable groove is penetrated through the center of the upper surface of the first supporting arm, a first suction cup is arranged at the lower end of the first movable groove, a second supporting arm is arranged on the side of the first supporting arm away from the supporting steel beam, and a supporting cross bar is arranged at one end of the second supporting arm away from the first supporting arm; the present invention is structurally provided with an automatic destacking jig component, and the automatic destacking jig component can be automatically adjusted to a corresponding parameter position according to programming, so that when the new mold is replaced, the structure only needs to change the suction cup position through programming, and each set of molds does not need to be remade, and the mold changing speed is faster than the original structure, and the time used is shorter, which effectively improves the overall output efficiency.

This invention discloses a design method for an all-steel radial railway tire. The tire has a centrally symmetrical cross-section and includes an external contour structure, an internal contour structure, and the thickness of key components. The method includes the following steps: S1: Determine the tire's outer diameter and end face width, and calculate the tire's section height based on the outer diameter; S2: Design the external contour structure, which includes the crown contour line, shoulder contour line, sidewall contour line, and bead contour line; S3: Design the thickness of key components, which include the crown, shoulder, sidewall, and bead; S4: Design the internal contour structure, which includes the inner contour arc of the crown, shoulder, sidewall, and bead. After determining the tire's outer diameter and section width, the remaining parameters can be automatically calculated using coefficients. The entire process is not only time-efficient but also reduces the requirements for designers.