36results about How to "Solve the problems existing in the background technology" patented technology

The invention mainly relates to the technical field of the numerical control system control machine tool retraction, in particular to a power failure retraction and emergency retraction control method and a device of a machine tool. A power failure automatic knife retracting control method of a numerical control machine tool comprises the following steps that: interrupt signals are processed, the power is supplied, a feeding servo motor caries out energy consumption on a servo motor capacitance module through a grinding carriage retracting module, and the capacitance module is fast consumed, i.e. the power failure automatic knife retraction of the numerical control machine tool is completed. The invention also provides the power failure automatic knife retracting control device of the numerical control machine tool, which comprises a power failure detection signal module, a programmable logic controller, a numerical control machine tool control unit and a servo driving module, wherein the servo driving module drives the feeding servo motor for knife retraction. The control method and the control device have the advantages that an asynchronous sub procedure function of a siemens 802Dsl system is used for controlling and realizing the power failure knife retraction and emergency knife retraction functions of the machine tool, the cost is saved, and the structure is simple.

The invention discloses a cultivation method and application of a cordyceps militaris liquid fermentation culture. The method comprises the following steps of (1) inoculating a pure culture of cordyceps militaris into a liquid cultivation solution, and carrying out shake cultivation to obtain a liquid culture at the early stage of germination; (2) trans-inoculating the liquid culture obtained through shaking into fermentation cultivation liquid, and feeding sterile air for carrying out fermental cultivation to obtain the fermentation culture. The invention also provides a high-efficient culture cultivation solution formula. The culture activity is improved, the fungus ball breeding speed is fast, the pollution rate is low, and the cycle of cultivating bacteria is shortened, so that the production efficiency and the yield of cordyceps militaris fruiting bodies are improved.

The invention relates to a method for achieving satellite three-axis stable control through a single control moment gyroscope and two flywheels. A ground measurement and control station remotely controls a satellite to control the attitude through a thruster. Angular momentum corresponding to the rotating speed of the CMG inner rotor is obtained according to the rotating speed instruction of the CMG inner rotor; a magnetic unloading target angular momentum is set according to the CMG outer frame position and the effective rotating speed instructions of the two flywheels; a changed angular momentum control instruction is calculated according to the instruction torque, the CMG frame angular position, the frame rotating speed, the system control period, the effective angular momentum controlinstructions of the two flywheels and the like, and the CMG frame angle is resolved: allowing single CMG control, selecting single CMG access, effectively connecting the two flywheels, and controllingthe satellite attitude by using the flywheels. For satellites adopting flywheels and control moment gyroscopes as attitude control main actuating mechanisms, stable attitude control can be realized under the condition that only one control moment gyroscope and two reaction flywheels are effective on the satellite.

The invention discloses an automobile filter. The automobile filter comprises a shell, a sump oil inlet, a central pipe and a filter element, wherein the filter element is arranged on the outer surface of the central pipe in a sleeving mode; a one-way valve is arranged at the position, positioned between the shell and the filter element, of the bottom of the inner surface of the shell; a blockagefiltering device is further arranged at the bottom end of the shell; the blockage filtering device comprises a bottom shell body; a communicating pipe is fixedly connected to the position, positionedon the central pipe, of the inner surface of the bottom shell body; the inner surface of the communicating pipe communicates with the central pipe; and a plurality of oil passing holes are formed in the outer surface of the communicating pipe. According to the automobile filter, after the filter element arranged on the outer surface of the central pipe in the sleeving mode is blocked, the one-wayvalve can be opened in a jacking mode, sump oil flows into the bottom shell body, is filtered through the filter element in the connecting pipe and then flows to an engine through the central pipe, and therefore the problems existing in the background technology can be effectively solved.

The invention provides a method for establishing an unsupervised pedestrian re-recognition model, and the method comprises the steps: carrying out the training of an image sample data set on a source domain, and obtaining a source domain model; creating a collaborative network and a joint network in the target domain, migrating model parameters of the source domain model to the target domain, and initializing the collaborative network and the joint network; respectively inputting the image sample data set into a first temporary average model and a second temporary average model to obtain two groups of image samples, respectively extracting sample features, and obtaining an average sample feature of the sample features of the two groups of image samples; performing clustering processing on the image sample data set to obtain a clustering center and a pseudo tag; image sample data set segmentation processing is carried out on the image sample data set, and the image sample data set is segmented into a trust set and a noise set; and alternately training the joint network and the cooperative network to obtain a trained unsupervised pedestrian re-identification model. The invention further provides an unsupervised pedestrian re-identification method, electronic equipment and a readable storage medium.

The invention provides a full-automatic unmanned intelligent anchor cable blanking machine. A pair of main feeding pressing wheels correspondingly arranged up and down or left and right are mounted onan operating table in a relatively-rotating manner, one main feeding pressing wheel is in transmission connection with a hydraulic motor, a hydraulic station motor and an electromagnetic valve set are fixedly mounted on a hydraulic pump station, a cutting mechanism comprises a cutting machine and a cutting hydraulic cylinder, the cutting hydraulic cylinder is in control connection with the hydraulic pump station, and the cutting machine and the cutting hydraulic cylinder are both fixedly connected to the operating table. The cutting machine is provided with a handle, a tension spring is connected between the handle and a telescopic arm of the cutting hydraulic cylinder, and anchor cables pass through the revolution path of a saw web of the cutting machine. The anchor cable blanking machine further comprises a fixed-length sliding way. The fixed-length sliding way comprises a blanking support, a transversely-arranged fixed shell is fixedly connected to the blanking support, a movable shell is hinged to the outer face of the fixed shell, the anchor cables stretch into the space formed by the fixed shell and the movable shell, and after the movable shell rotates relative to the fixedshell, an opening formed by the space between the movable shell and the fixed shell is downward.

The invention provides a shifting-type stepless limit guardrail opening and closing structure. The guardrail opening and closing structure comprises a hollow fixed sleeve which is provided with a guardrail installation insertion hole penetrating through the top and the bottom of the hollow fixed sleeve; a fixed seat is arranged at the outer side of the hollow fixed sleeve, a linear sliding slot extending to two ends is formed in the side face of the fixed seat, an extension line of the linear sliding slot penetrates through the hollow fixed sleeve, a sliding block is arranged in the linear sliding slot in a matched mode, and a clamping plate is arranged at the end, close to the hollow fixed sleeve, of the sliding block; and an opening is formed in the position, corresponding to the clamping plate, on the side wall of the hollow fixed sleeve, and the clamping plate moves in a straight line along with the sliding block to stretch into or retreat from the hollow fixed sleeve through the opening. According to the opening and closing structure, the clamping plate is made to slide leftwards to block the lower end of the opening of a guardrail frame, and the whole guardrail frame cannot be lifted up and then cannot rotate; and reversely, the clamping plate is made to slide rightwards to move away from the top of the lower end of the opening of the guardrail frame, then the guardrail frame can be lifted up and rotate, and the opening and closing functions through guardrail rotation are achieved.

The invention relates to a mobile mouse pad device, which is characterized by connecting a mouse pad on a mobile; when the mouse pad is a non-soft device, an axial cell body is connected with the mobile; an axial cell device is arranged between the mobile and the mouse pad and is used for rotating the mouse pad.

The invention discloses an automobile air filter assembly which comprises a filter housing sub assembly. A filter element assembly is arranged in the filter housing sub assembly and comprises a filterelement assembly frame box adaptive to the inner surface of the filter housing sub assembly; multiple folded filter paper is horizontally arranged on the inner surface of the filter element assemblyframe box at intervals; a slotted hole is formed in the position, between each two adjacent folded filter paper, on the bottom part of the filter element assembly frame box; a communication pipe is arranged at the position, located on the filter element assembly frame box, on the bottom part of the filter housing sub assembly; the inner surfaces of the slotted holes communicate with the communication pipe; and an air pump communicates to one end, far away from the filter element assembly frame box, of the communicating pipe. According to the automobile air filter assembly provided by the invention, a controller controls an electromagnetic valve to turn on and then controls the air pump to work, dust attached to one sides, close to each other, of the folded filter paper is discharged through the air pump from the slotted holes and the communication pipe, the controller controls the electromagnetic valve to turn off after the treatment is accomplished, and the cyclic operation is carriedout at time intervals, so that the problems existed in the background technology can be effectively solved.

The invention discloses a cutting device for bearing machining and manufacturing. The cutting device for bearing machining and manufacturing comprises a cutting fixing frame, a cutting machine is arranged on the cutting fixing frame, an operation platform is arranged under the cutting machine, and the operation platform comprises a top fixing area, a middle chipping area and a base; a fixing holeis formed in the top of the fixing area, a limiting rod is embedded into the inner surface of the fixing hole, and the chipping area is communicated with the fixing hole. According to the invention, abearing is placed in the fixing area; the limiting rod is embedded in the fixing hole in the corresponding position, then the position of the bearing is limited, chippings of the bearing can fall into the chipping area through the fixing hole during cutting, the fixing structure is simple, the cutting chippings can be concentrated in the chipping area to be cleaned conveniently, and the problemsexisting in the background technology can be effectively solved.

The invention provides a method for configured file sharing based on InData-Kudu object storage, belonging to the technical field of object storage application. The method comprises the steps of directly storing the configuration files used by the application as an object in InData-Kudu object storage, wherein the configuration file name is used as the object name, and the configuration file contents exist in the object, and the object name is compatible with the path name of the configuration file; when accessing this profile, using an API interface or Rest service provided by InData-Kudu, inputting the IP address, port and object name (configuration file name), user name, password, etc of the InDatA-Kudu to access. As long as the network is connected, the configuration file information can be obtained from any computer, so as to achieve the purpose of configuration file sharing.

The invention discloses plastic woven bag stitch removing equipment which comprises a machine base. Electric telescopic rods are arranged at the symmetrical positions, close to the front face of a conveying roller and close to the middle of the machine base, of the top of the inner surface of the machine base, the ends close to each other of the electric telescopic rods are connected with a pressing base, a stitch removing roller is rotationally connected to the position, located above the conveying roller and located on the back face of the pressing base, on the top of the inner surface of the machine base, and a gear motor is in transmission connection with the right end of the rotating shaft through a transmission gear box. The gear motor, a transmission belt motor and a driving machineare controlled by a controller to work according to feedback information, therefore, the stitch removing roller is controlled to do winding work, and the problems in the prior art can be effectivelysolved.

The invention is suitable for the technical field of transportation, and provides a fabricated building external wall panel production transfer trolley which comprises a trolley body. A scraper conveying mechanism is arranged in the trolley body, fixed damping mechanisms are arranged on the scraper conveying mechanism, and a wall panel is arranged between the fixed damping mechanisms. The scraper conveying mechanism comprises a shell and a conveying assembly, the shell is arranged on the trolley body, and the conveying assembly is arranged on the shell. Each fixed damping mechanism comprises a fixed damping assembly and a rotating assembly, each rotating assembly is installed on the scraper conveying mechanism, and each fixed damping assembly is movably arranged on the corresponding rotating assembly. The wall panel enters the trolley body to push the fixed damping assemblies so as to drive the rotating assemblies to rotate, the next fixed damping assembly abuts against one side of the wall panel, the driving assembly of the scraper conveying mechanism drives the wall panel to move to a preset position through a transmission assembly and a conveying assembly, and feeding of the wall panel is completed. And elastic pieces in the fixed damping assemblies can effectively buffer the external impact, and the advantages of being convenient to transfer and good in protection effect are achieved.

The invention is suitable for the technical field of grinding, and provides an environment-friendly stone grinding device which comprises a body, a machining table and a cooling liquid box used for storing cooling liquid are arranged in the body, a grinding assembly is movably connected with a transmission assembly, a spraying mechanism is movably connected with the transmission assembly, and a first movable part and a second movable part are both movably connected with a hydraulic part. A water outlet of the hydraulic part communicates with the spraying part, the driving mechanism adjusts the positions of the grinding assembly and the spraying mechanism, the grinding assembly drives the first movable part to do reciprocating linear movement through the transmission assembly while grinding stone, and the first movable part drives the second movable part to move in the direction opposite to the first movable part. When the first movable part sucks the cooling liquid into the compression part, the second movable part conveys the cooling liquid in the compression part to the spraying part to be sprayed out, on the contrary, in the same way, synchronous and on-demand supply of the cooling liquid is achieved, the cooling effect is good, the cooling liquid is saved, the spraying part shunts the cooling liquid, and impurity removal and dust falling are facilitated.

The invention discloses a tap water production detection system for a waterworks, and relates to the technical field of tap water production. It includes a water source detection system; the water source detection system includes a support plate, a first electric push rod is fixed on the lower surface of the support plate, a piston rod is fixed at the end of the first electric push rod and a piston is connected to the end of the piston rod; the support plate A second electric push rod is also fixed on the lower bottom surface of the second electric push rod, and an L-shaped support arm is fixed at the end of the second electric push rod, and a hoop is connected to the end of the L-shaped support arm; a sampling cup is arranged on the hoop, and the sampling cup includes A cup body that cooperates with the movement of the piston, the upper port of the cup body is connected with an extension cup body; a threaded through hole is opened on the support plate above the extension cup body and a threaded rod is screwed on the top of the threaded through hole, and the end of the threaded rod A first detection device is installed. The present invention uses a water source detection system composed of two electric push rods, a sampling cup and a piston to avoid long-term immersion of the water quality sensor in water.

The invention is suitable for the technical field of constructional engineering, and provides a constructional engineering quality detection device which comprises a body. The body is movably connected with a supporting frame, a detection mechanism is arranged on the body and comprises a driving assembly, a transmission assembly and a plurality of first distance measuring instruments, and the transmission assembly is arranged in the body and connected with the driving assembly; the transmission assembly is connected with the first distance measuring instruments, a plane formed by the first distance measuring instruments is parallel to a to-be-measured plane, the rotating assembly drives the body to rotate to level the first distance measuring instruments, and if data, measured by the first distance measuring instruments, of distances between the first distance measuring instruments and the to-be-measured plane are the same, the plane formed by the first distance measuring instruments is parallel to the to-be-measured plane. The first distance measuring instrument is perpendicular to the to-be-detected plane, the driving assembly drives the first distance measuring instrument to rotate through the transmission assembly so as to change the distance measuring angle of the first distance measuring instrument, measured data are compared, the flatness of the to-be-detected plane is obtained, and the advantages of being high in detection efficiency and precision are achieved.

The invention relates to a method for realizing satellite three-axis stable control with a single control moment gyroscope and two flywheels. The ground measurement and control station remotely controls the satellite using a thruster to control the attitude; according to the CMG inner rotor speed instruction, the angular momentum corresponding to the CMG inner rotor speed is obtained ;According to the position of the CMG outer frame and the effective rotational speed commands of the two flywheels, set the target angular momentum of magnetic unloading; , calculate the changed angular momentum control command, solve the CMG frame angle: allow single CMG control, select single CMG access, effective two flywheel access, use flywheel to control satellite attitude. For a satellite using a flywheel and a control moment gyroscope as the main actuators for attitude control, the invention can realize attitude stability control under the condition that only one control moment gyroscope and two reaction flywheels are effective on the satellite.

The invention discloses a device convenient for cable threading. The device comprises a cable clamping device, the cable clamping device is formed by sequentially connecting a plurality of clamping blocks, one end of each clamping block is provided with a connector, the other end of each clamping block is provided with a connecting seat matched with the connector, and a rolling device is rotatablyconnected to the position, between the connector and the connecting seat, of the front surface of each clamping block. According to the invention, the clamping block connector is in pin joint with aconnecting seat of another connected clamping block, the plurality of clamping blocks are rotationally connected to form a wire clamping device, and the length of the wire clamping device is controlled according to the actual threading diameter, then the wire clamping device is bent into a circular ring to be matched with an iron wire, so that the wire clamping device locks a wire head, the rolling device is located at the outer side of the wire clamping device at the moment, and the rolling device is in rolling friction with the pipe wall during threading, and accordingly the threading difficulty can be effectively reduced, and the problems existing in the prior art can be effectively solved.

The invention discloses a method for measuring the liquid level in a water tank. The method comprises the following steps that a sensor is arranged in the side wall of the water tank; a voltage balance electrode is arranged at the lowermost end of the sensor; detecting electrodes are arranged above the voltage balance electrode, and the detecting electrodes are connected to a control circuit of the sensor through a high resistance state; the control circuit judges whether the detection electrode is submerged by water or is in contact with the detection electrode according to the change of the voltage value on the detection electrode or the change of the current between the detection electrode and the voltage balance electrode; and the water level or the water quantity is obtained through the predetermined position of the detection electrode. According to the method, the electrical conductivity of water (except purified water) is utilized, the resistance change condition between the electrodes is detected through the control circuit, and the water level is obtained.

The invention discloses a cutter frame regulating mechanism of a three-surface trimmer, comprising a main shaft (1), cutter frames (3, 3'), a sleeve reed, a left screw (4) and a right screw (4'), wherein the sleeve reed is provided with a left sleeve reed (2) and a right sleeve reed (2') which are sheathed on the main shaft (1); and the left and the right sleeve reeds (2, 2') are respectively connected with the corresponding cutter frames (3, 3'); the left sleeve reed (2) is screwed with the left screw (4); the right sleeve reed (2') is screwed with the right screw (4'); the left screw (4) is connected with the right screw (4'); the spiral direction of the left screw (4) is opposite to that of the right screw (4'); the left screw (4) or the right screw (4') is in transmission connection with a decelerating motor (7); and the decelerating motor (7) is electrically connected with a programmable controller. The invention is characterized in that lower reed arms (16) of the left and right sleeve reeds (2, 2') are all provided with cylinders (14), and handspikes (13) of the cylinders (14) are all connected to the corresponding upper reed arms (10). In the cutter frame regulating mechanism with the structure, a command is transmitted to a servo motor by the controllable interface setting of the programmable controller; the motor rotates to drive the left screw and right screw to rotate, thereby regulating a distance between the cutter frames and precisely regulating to cut the length of a book. The cutter frame regulating mechanism has the advantage of precise and stable regulation.

The invention discloses a lithium battery cap. The lithium battery cap comprises a battery body, a combined cap is embedded in the top of the battery body, and the combined cap comprises a cap body, sealing rings, a top cap, a bottom cap, an elastic long piece, an elastic short piece and an aluminum piece. Protruding blocks with conical sections are arranged at the positions, located between the sealing rings and symmetrical to the positions contacted with the elastic short piece, of the top of the aluminum piece, and adaptive grooves are formed at the positions, located on the protruding blocks, of the elastic short piece, namely when the battery body and the combined cap are assembled, the guide pieces of the battery body penetrate through the adaptive grooves. According to the invention, the guide sheets can be bent into the hook shapes under the action of the adaptive grooves and the protruding blocks to hook the protruding blocks, and then the battery body and the combined cap areassembled, the battery body abuts against the elastic short piece to enable the adaptive grooves of the elastic short piece to be far away from each other so as to clamp the guide pieces and preventthe guide pieces from sliding off, during disassembly, the combined cover cap is taken out, the elastic short piece is reset, then the guide pieces are not be clamped and are pulled out, so that the operation is convenient and rapid, and the process is simple and practical.

The invention discloses a plastic woven bag thread removal device, which comprises a machine base. An electric telescopic rod is arranged at a symmetrical position close to the front of the conveying roller on the top of the inner surface of the machine base and close to the middle of the machine base. The ends of the electric telescopic rods close to each other are connected with The pressing seat, the top of the inner surface of the base is located above the transmission roller and the position on the back of the pressing seat is connected to the thread removal roller through the bracket and the rotating shaft, and the right end of the rotating shaft is connected to the geared motor through the transmission gearbox; the present invention uses the controller according to The feedback information controls the geared motor, the belt motor and the driving machine to work, and then controls the unthreading roller to perform the winding work, which can effectively solve the problems existing in the background technology.

The invention discloses a method for manufacturing a display module and a related full-screen image display. The method comprises the following steps: providing a substrate; arranging a plurality of light-emitting elements on the substrate in a matrix arrangement mode; and at least one optical sensing element is arranged on the substrate, and when the plurality of light-emitting elements and the at least one optical sensing element are arranged on the substrate, the at least one optical sensing element is located between two corresponding light-emitting elements in the plurality of light-emitting elements. In addition, the invention also discloses a full-screen image display which comprises the display module manufactured by the method. The display module manufactured by the invention can provide a full-screen image without any gap.

The high-standard water inlet and outlet pipe special for farmland construction comprises a pipe body, a plurality of valve ports are formed in the outer side of the pipe body, and one-way valves are arranged in the valve ports; the pipe body can serve as a water supply pipe and a drainage pipe, when the pipe body serves as the water supply pipe, the one-way valve is closed to guarantee sealing of the pipe wall of the pipe body to guarantee normal water supply, when the pipe body serves as the drainage pipe, water is not supplied inside the pipe body, water outside the pipe body jacks open the one-way valve to flow into the pipe body, the function of the drainage pipe is achieved, cost can be effectively saved, and arrangement of field pipelines is reduced.

The invention discloses sample preparation equipment for ceramic production. The sample preparation equipment for ceramic production comprises a base, a supporting arm is arranged on the top of the base, a lever arm is rotatably connected to the right end of the supporting arm, the inner surface of the lever arm is rotatably connected with a mold rod sleeve, a mold rod is detachably connected to the inner surface of the mold rod sleeve, and an upper mold is connected to the bottom end of the mold rod in a threaded mode; a lower mold is slidably connected to the portion, located at the positionunder the upper mold, of the top of the base through a slide rail; and a lever base is arranged on the portion, close to the right side of the supporting arm, of a gap between the top of the supporting arm and the lever arm, and a rod arm is rotatably connected to the inner surface of the lever base. According to the sample preparation equipment for ceramic production, the rod arm is pressed to rotate, then the upper mold and the lower mold are attached to complete sample preparation, the structure is simple and small, the manufacturing cost is low, and the practicability is high.

The invention is applicable to the technical field of material carrying, and provides a material carrying device for tunnel construction, comprising: a body, in which a storage member and a fixed separator are arranged; the storage part is connected with a first driving assembly and comprises a first rotating part and limiting parts, the rotating part is provided with a plurality of limiting parts, a containing groove is formed between every two limiting parts, and the fixed partition part is movably connected with a second rotating part and the first driving assembly; during feeding, tubular materials fall into the containing grooves through the feeding port and the first material guide groove, the first driving assembly rotates forwards through the first rotating piece and the limiting piece, so that the next containing groove communicates with the first material guide groove, and the second driving assembly drives the second rotating piece to synchronously rotate forwards to fix the partition piece; the fixed partition piece is matched with the storage piece to wind the tubular materials so as to fix and separate the tubular materials, the principle is the same as above during discharging, the second driving assembly drives the second rotating piece to synchronously rotate reversely to wind the fixed partition piece, the fixed partition piece leaves the tubular materials so as to loosen the tubular materials, the tubular materials are separated, and feeding and discharging are convenient.