16697 results about "Manual handling" patented technology

The invention relates to steel box girder high-strength bolt operation, in particular to a high-strength bolt automatic tightening machine based on machine vision positioning and a tightening method. The automatic tightening machine for the high-strength bolts is used for automatically tightening the bolts of the steel box girder and comprises a multi-shaft moving support, a tightening assembly and a control unit. The multi-axis moving support achieves plane movement of a steel box girder top plate through a servo-driven moving part, a multi-axis support provides three-dimensional space freedom, and the tightening assembly is driven to accurately adjust the posture. The tightening assembly adopts a double-station design, a first tightening head and a second tightening head which are symmetrically arranged on the two sides synchronously move through a door frame type lifting shaft, the image obtaining set is combined to collect position and posture data of a nut and a screw in real time, and a three-dimensional motion path is generated to guide centering. The control unit coordinates multi-axis motion and torque output based on machine vision feedback, full-process automation of the bolt from recognition, positioning to tightening is achieved, the problems that manual operation is low in efficiency and large in error are solved, and screwing precision and structural reliability are ensured.

The embodiment of the invention provides a portable coil turnover machine, and relates to the field of coil turnover. A portable coil upender comprises an upper cross beam, a first moving beam and a second moving beam are slidably mounted at the two ends of the upper cross beam respectively, holding mechanisms are rotatably mounted at the lower ends of the first moving beam and the second moving beam respectively, and the lower ends of the two holding mechanisms are slidably connected with the two ends of a bearing chassis respectively. And the two groups of holding mechanisms are close to each other to fix the two sides of the coil. The motor drives the two-way lead screw to enable the first moving beam and the second moving beam to be close to each other, so that the two sets of inner beams and the embracing grabs fix the two sides of an aluminum wire, meanwhile, the device is connected with a hoisting mechanism through the hoisting ring, and after the aluminum wire is hoisted, the gear motor drives the rotating rod to rotate, so that the two sets of embracing grabs drive the aluminum wire to rotate; therefore, the device can meet the overturning requirements of aluminum wires of different specifications and different weights, has high universality and flexibility, and reduces manual operation.

The invention discloses a sow vaccine injection method based on deep learning and machine vision. The sow vaccine injection method comprises the following steps that 1, an AGV chassis is controlled to arrive at a work station according to an instruction; 2, visually recognizing the posture of the sow to be injected, and if the recognition result is that the sow to be injected is in a non-standing posture, driving up the sow to be injected with manual assistance; if the recognition result is a standing posture, visually guiding the mechanical arm to move to a photographing position; 3, the RGBD camera shoots in real time to obtain the injection position and distance of the sow to be injected, and the mechanical arm moves to position the injection clamp to the pre-injection position; 4, injection is completed, and an injection result is recorded; the invention further discloses a sow vaccine injection system based on deep learning and machine vision. Manual operation is replaced by mechanical operation, automation of the vaccine injection process is achieved, direct contact between personnel and sows is reduced, and the risk of infectious disease transmission is reduced.

The invention relates to the technical field of hydrogen fuel cells, in particular to an air-cooled reactor automatic loading line for hydrogen fuel cell stack production, which comprises a rack, a storage rack, a material moving mechanism and two conveyor belts, the material moving mechanism comprises a support frame, a driving assembly and a pressing assembly, and electrode plates and bipolar plates are alternately conveyed to the material moving mechanism through the two conveyor belts. The electrode plate or the bipolar plate is supported through the sliding rollers at the bottoms of the overturning frames, and then the two overturning frames are synchronously driven to move through the driving assembly, so that the electrode plate or the bipolar plate naturally falls between the two overturning frames. The auxiliary electrode plate or the bipolar plate can stably fall on the storage rack in cooperation with downward pressing of the downward pressing assembly; the process does not need manual intervention, and the accuracy and regularity of stacking are ensured. The automatic stacking reduces the dependence on manual operation, reduces the labor cost, and further reduces the rework cost caused by unqualified materials due to the reduction of the surface damage of the electrode plates and the bipolar plates.

The invention discloses a packaging method for electronic products and packaging equipment used in the packaging method. The packaging method comprises the following steps that (1) the electronic products are sorted; (2) inner packaging box paperboard feeding; (3) tearing the release paper from the paperboard; (4) folding the paper board into a paper box; (5) boxing in an inner box; and (6) boxing in an outer box. The packaging equipment comprises an electronic product sorting station, a detection mechanism, an adhesive tape release paper tearing mechanism, a paper box folding mechanism, a multi-position mechanical arm mechanism, an upper cover feeding mechanism, a lower cover feeding mechanism and an outer packaging box packaging station. And the product classification disorder is avoided, manual operation is replaced, and the working efficiency is high.

The invention discloses an AI technology-based rail transit industry crew member intelligent management system, which comprises a crew member scheduling management module, and is characterized in that the crew member scheduling management module scientifically and reasonably arranges work tasks of crew members by introducing an AI-based intelligent scheduling optimization engine according to a travel diagram and operation requirements of a line; the AI-based intelligent scheduling optimization engine constructs a multi-target crew scheduling model by using traffic operation data, and generates an intelligent and dynamically adjusted scheduling scheme by using the multi-target crew scheduling model. The system has the advantages that the problems of manual shift arrangement, paper document storage, health state monitoring, attendance and attendance information management and the like in the prior art are solved. The efficiency, safety and accuracy of crew management are effectively improved, the risks of manual operation and information lag are reduced, and a more intelligent and flexible solution is provided for rail transit operation.

The invention discloses an intelligent assembly loading control system of a geotextile laying ship, and belongs to the technical field of ship intelligent control. According to the invention, through the intelligent stowage planning module, based on standardized scheme matching and an adaptive optimization algorithm, objectives of balanced material distribution, shortest conveying path and ship stress rationalization are realized, stowage precision is improved, and sailing stability is optimized; the operation scheduling and arranging module dynamically generates an efficient operation time sequence graph through real-time cabin state recognition, process decomposition, operation time sequence optimization and remote cooperative control, precise scheduling is achieved, manual intervention is reduced, the automatic operation execution module is combined with real-time monitoring, abnormal early warning and intelligent feedback, the safety and adaptability of the operation process are ensured, and the working efficiency is improved. According to the method, loading deviation overrun and ballast abnormity are avoided, the decision-making capacity of the system is continuously optimized, manual operation errors are effectively reduced, the safety and economical efficiency of ship operation are improved, and green, energy-saving and efficient operation is helped to be achieved.

The invention relates to a cooperative control system and method for a building concrete strength detection robot. The system comprises a control module, a chassis, a lifting mechanism and an operation execution module, the chassis, the lifting mechanism and the operation execution module are electrically connected with the control module, and the control module comprises an upper computer and an embedded controller which are connected through the Ethernet. The operation execution module comprises a concrete strength detection unit, a carbonization depth detection unit, a four-degree-of-freedom execution mechanism and a visual sensing module communicating with the upper computer, and the control module is used for controlling the concrete strength detection unit to perform rebound detection on concrete and controlling the carbonization depth detection unit to perform carbonization depth detection on the concrete. The visual sensing module is used for identifying the to-be-rebounded detection area and the to-be-carbonized depth detection area and reading the carbonization depth value. Compared with the prior art, the method has the advantages that dependence on manual operation is effectively avoided, risks caused by manual operation are reduced, and whole-process automation of concrete strength and carbonization depth integrated detection is achieved.

The invention relates to the technical field of logistics informatization management, and discloses a warehousing method for logistics informatization management, and the method comprises the steps: 1, determining the target and demands of warehouse management, and reasonably planning a warehouse region according to the actual condition of a warehouse; 2, inputting detailed information of the goods into a warehouse management system, and inputting and managing customer information; 3, receiving purchased commodities, and carrying out inventory management and ex-warehouse management; 4, collecting various data in the warehousing operation process in real time, including the warehousing quantity, the ex-warehouse quantity, the stock quantity and the operation efficiency, and providing a decision support function according to a data analysis result; and 5, regularly maintaining and checking the warehouse management system to ensure the stable operation of the system and the safety of data. According to the warehousing system for reducing manual operation and paper file processing and logistics informatization management, automatic equipment, an information system and the Internet of Things technology are adopted, and the management efficiency and accuracy are greatly improved.

The invention provides a depth image-based position and posture adjustment method for a reinforcing steel bar binding robot. In the method, firstly, a depth image of a reinforcement cage is obtained; then feature extraction is carried out on the depth image to obtain feature points; then, pose information of the reinforcement cage is obtained through calculation based on the feature points, and coordinate information of the target position is calculated based on the pose information; and based on the current coordinates and the coordinate information of the reinforcing steel bar binding robot, planning an operation path of the reinforcing steel bar binding robot, and based on the operation path, controlling the reinforcing steel bar binding robot to move to a target position. And when the steel bar binding robot reaches the target position, the pose of the steel bar binding robot is adjusted based on the pose information. Therefore, by means of the method, the steel bar binding robot can autonomously move, adjust the posture and quickly reach the working position to work, manual operation is not needed, and the working efficiency and quality are improved. The problem that in the prior art, the operation efficiency of a steel bar binding robot is low is solved.

The invention provides connector assembly automation equipment, a connector comprises a frame and a contact pin, the connector assembly automation equipment comprises a divider turntable rotating around the axis of the divider turntable, and a plurality of stations matched with the frame are arranged on the divider turntable at intervals in the circumferential direction. A frame feeding mechanism, a contact pin feeding mechanism, a contact pin press-fitting mechanism and a product discharging mechanism which correspond to different stations are distributed on the outer side of the divider rotating disc. According to the connector assembly automation equipment, manual operation is replaced by automatic and intelligent equipment, the production efficiency is comprehensively improved, efficient line production can be achieved through the multi-station divider rotating disc and the automatically-controlled feeding and discharging system, the bottleneck in production is reduced, the output speed of products is increased, and the production efficiency is improved. The visual inspection mechanism is introduced to replace naked eyes of operators to observe the assembly quality, and the qualified rate of products is increased.

The invention relates to the technical field of metal wire machining, in particular to a metal wire drawing production system which is characterized in that after production order information is uploaded to a central control unit through a man-machine interaction APP, the central control unit commands an intelligent pay-off module to complete wire coil placement, and the APP can be used for personnel to check the system state and remotely access; the intelligent pay-off module ensures that the pay-off tension is stable by means of a tension sensor and a PID algorithm; the wire rod preprocessing module collects images by using a high-definition camera, and defect conditions are determined through preprocessing of the central control unit and analysis of a convolutional neural network; and the intelligent control module dynamically adjusts the rotating speed of the motor by adopting a variable-frequency speed regulation technology and combining various data according to the requirements of a wire drawing process, so that the whole production process is efficient, accurate and stable. Precise placement of the wire coil is achieved through the automatic recognition device and the automatic transmission equipment, the time needed by manual operation is greatly shortened, and the working efficiency of the whole pay-off link is improved.

The invention relates to the technical field of building template repairing equipment, in particular to a building template surface building repairing device, and provides a building template surface building repairing device aiming at solving the problems that existing building template repairing equipment does not have an automatic discharging function, and materials can only be manually taken and loaded to a designated vehicle. Comprising a first conveying table, a second conveying table and a repairing box, and two polishing rollers capable of rotating are arranged on the inner wall of the repairing box; a material blocking table and a side plate are arranged at the right end of the second conveying table, a driving rod is arranged on the side plate, a four-claw frame is further arranged on the side plate, a U-shaped groove is formed in the side plate, a loading vehicle is arranged at the right end of the material blocking table, and when the driving rod rotates, the structure that the four-claw frame moves along the U-shaped groove to enable the building formworks on the material blocking table to be carried to the loading vehicle can be formed. When the four-claw frame moves along the U-shaped groove, a structure that the four-claw frame vibrates and moves up and down after being turned over can be formed; and after being polished, the building template can be automatically unloaded to a designated position for loading, manual operation is replaced, and the working risk is reduced.

The invention discloses tunnel deeply-buried ditch construction equipment and method.The method comprises the following steps that S1, a self-propelled inverted arch trestle is moved to a construction section, a total station is adopted for lofting an excavation sideline of a deeply-buried ditch, and the sideline is marked; s2, driving tunneling equipment into an operation area, adjusting the center line of the tunneling equipment to be aligned with the designed center line of the ditch, meanwhile, lifting a slag removal conveying belt of a bridge approach machine to a specified height, enabling a transport vehicle to be in place, and enabling the equipment to run in a no-load manner; s3, a tunneling system of the tunneling equipment is started, and the tunneling equipment is driven by the control system to conduct tunneling operation according to a preset track; s4, muck in the muck collecting system is conveyed to a transport vehicle through a conveying belt to be transported outwards; and S5, after the ditch is excavated, a base is formed at the bottom, and meanwhile a temporary protection wall is installed. According to the device, the randomness of manual operation is avoided through mechanical operation, process control is more convenient, meanwhile, procedure connection gaps are reduced through continuous construction, and the problem that the exposure time of the inverted arch is too long is effectively solved.

The full-biodegradable film mulching and punching equipment for crop planting comprises a sleeve, the sleeve is in threaded connection with the outer side of a connecting roller, and the upper portion of a punch is connected with an adjusting mechanism capable of adjusting the size of a discharging opening according to different crop vegetable seeds. The lower portion of the punch is connected with a frame plate through a first transverse rod and a limiting rod, and flow guiding mechanisms used for guiding crop vegetable seeds to the inner side of the frame plate are installed on the two sides of the frame plate. According to the equipment, the processes of film mulching, punching and sowing are automatically completed, the speed is high, the efficiency is high, the planting time is greatly shortened, and the agricultural production efficiency is improved. Automatic equipment replaces manual operation, manpower input is reduced, labor cost is reduced, meanwhile, labor intensity is relieved, the equipment can control the seeding quantity, the seeding uniformity and depth are guaranteed, the seed germination rate and the crop yield are improved, in addition, the equipment does not need any electric control unit, and cost is greatly saved.

The invention discloses composite pipe assembly equipment, relates to the technical field of composite pipe assembly, and aims to solve the problems of poor forming quality and low production efficiency of a bimetal composite pipe caused by the fact that manual operation is needed and grinding and sleeving of an inner pipe and an outer pipe are carried out step by step when the bimetal composite pipe is assembled at present. Comprising a first grinding device, a second grinding device, a conveying device and an assembling device; wherein the conveying device is located between the first polishing device and the second polishing device, the conveying device comprises a conveying frame body and two parallel conveying rails, the conveying rails are movably arranged on the conveying frame body, and the moving directions of the two conveying rails are both perpendicular to the axial direction of the first pipe and the axial direction of the second pipe; the assembling device is provided with two ends which are located on the two opposite sides of the two conveying rails respectively, a pushing component is arranged on the assembling device, and the pushing component is used for pushing the first pipe and the second pipe which are located on the two conveying rails respectively in the axial direction of the first pipe and the second pipe, so that the first pipe and the second pipe are nested to form the composite pipe.

The invention discloses a vegetable planting robot which is characterized in that a rack of the vegetable planting robot can be horizontally and movably arranged on a fixing frame through a horizontal debugging mechanism, and operation components on the rack comprise a punching mechanism, a seeding mechanism and a soil shifting mechanism which are sequentially arranged from front to back; the punching mechanism and the sowing mechanism perform equidistant punching and sowing on field ridges, and the soil shifting mechanism performs continuous soil shifting; before the planting robot is used, the rack is adjusted to different horizontal positions through the horizontal debugging mechanism according to the width of a field ridge and the number of rows of vegetables to be planted on the width, and then one row of holes, seeds and soil are punched, sown and shifted on the positions of different widths of the field ridge. The debugging structure is designed corresponding to the planting scene of the field ridge structure, the planting efficiency is improved, and the burden of manual operation is reduced.

The invention provides a gear keyway width measuring method applying machine vision, and relates to the technical field of gear detection. The method comprises the steps of image acquisition, preprocessing, boundary extraction, contour separation, central point calculation, pixel equivalent calculation, symmetric line slope calculation and keyway width calculation. The method specifically comprises the steps of extracting a boundary through a Sobel operator, separating a contour based on a connected domain area, calculating a central point through an arithmetic average method, determining a pixel equivalent in combination with the actual size of an inner hole, achieving symmetric line slope calculation and point classification through iterative fitting and Hough conversion, and finally completing width measurement. According to the invention, a non-contact machine vision technology is adopted to replace traditional contact measurement, so that the problems of large manual operation error, low automation level and insufficient online detection capability are solved, high-precision and automatic measurement of the width of the gear keyway is realized, the measurement efficiency and the result reliability are improved, and the production cost is reduced. The method is suitable for a rapid detection scene in gear batch production.

The invention relates to the technical field of circuit board assembly, and discloses an automatic circuit board feeding device and method.The automatic circuit board feeding device comprises a machining platform, a feeding mechanism is installed at the bottom of the machining platform and used for controlling a plurality of supporting plates to vertically move, a material suction arm is slidably connected to the rear side of the top of the machining platform, and a mounting mold is arranged on the left side of the machining platform; a deviation rectifying mechanism is arranged in the material suction arm, a material suction plate is installed at the bottom of the material suction arm, a detection lamp is installed in the middle of the machining platform and used for visually detecting a circuit board, and a recycling mechanism is arranged on the side, close to the material suction arm, of the rear end of the machining platform. Related gears, threaded rods and other parts are driven by the motor, accurate positioning and efficient conveying of the tray are achieved, the material suction arm can automatically suck circuit boards, all the parts are in close cooperation, the automation degree is high, manual operation links are greatly reduced, and the feeding time is effectively shortened.

The embodiment of the invention provides an animal feeding method, an electronic device, a storage medium and a program product, and the method comprises the steps: firstly determining a comprehensive feeding strategy as a general direction guide based on an expected feeding target of a period of time in the future, and then aiming at each subdivision time period in the period of time, according to the specific health behavior data of each animal, determining a comprehensive feeding strategy for the future period of time; the parameters of the feeding device are finely adjusted to ensure that the feeding of animals by the feeding device conforms to the established feeding strategy, so that the full-automatic process of animal feeding from planning to execution is realized, the dependence on manual decision making and manual operation of the feeding device is reduced, and the overall efficiency of breeding is remarkably improved while the feeding quality is guaranteed.

The invention relates to the technical field of circuit breakers, in particular to a pole-mounted circuit breaker convenient to install. The pole-mounted circuit breaker convenient to install comprises an installation frame, a circuit breaker body, a positioning plate, a supporting plate, a buffer spring, a V-shaped groove block, a positioning rod and a positioning assembly, the installation frame is fixedly installed on a telegraph pole of an electric power transmission and distribution network through a hoop assembly, and the supporting plate is horizontally installed at the top in the installation frame. Through clamping cooperation of the V-shaped groove blocks on two sides of the positioning plate and the circuit breaker positioning rod, rapid and accurate correction of the horizontal position of the circuit breaker is realized by using the automatic centering characteristic of the V-shaped structure; the circuit breaker can be quickly assembled and disassembled by matching with the clamping connection of the clamping block in the positioning assembly and the clamping groove of the connecting strip, and all the assemblies can be automatically unlocked and reset only by lifting the circuit breaker by virtue of a crane, so that the installation and maintenance time is remarkably shortened, the working efficiency is improved, and the manual operation difficulty and the labor intensity are reduced.

The invention relates to a badge cover body and buckle pin combining device which comprises a rack, a cover body conveying mechanism, a buckle pin conveying mechanism, a bending mechanism and a control system, a rotating cylinder and a rotation driving mechanism for driving the rotating cylinder to rotate are rotationally arranged on the rack, and a plurality of station grooves evenly distributed around the center of the rotating cylinder are concavely formed in the circumferential side face of the rotating cylinder; the rotating driving mechanism is a matching structure of a servo motor and a speed reducer, the cover body conveying mechanism, the buckle pin conveying mechanism and the bending mechanism are all located on the rotating path of the rotating cylinder and are sequentially distributed in the rotating direction of the rotating cylinder, and the cover body conveying mechanism is used for conveying cover bodies into the station grooves; the buckle pin conveying mechanism is used for buckling a buckle pin into a metal bending sheet of a cover body, the bending mechanism is used for bending the metal bending sheet after the buckle pin is sleeved with the metal bending sheet, manual operation is replaced by a machine, the buckling efficiency of the buckle pin and the cover body in batch machining is high, the product yield is high, and the production efficiency is high. And automatic production is beneficial for saving labor cost of enterprises.

The invention discloses casting shakeout treatment equipment and a casting shakeout treatment process, and relates to the technical field of casting shakeout treatment. The device comprises a workbench and a fixing frame, a plurality of first springs are symmetrically and fixedly connected to the bottom of the workbench, and bottom plates are fixedly connected to the bottoms of the first springs. According to the casting shakeout treatment device, the net type conveying belt, the first motor, the vibration motor and the sand removal assembly are arranged, through mutual cooperation of the vibration motor and the first spring, a casting on the top of the net type conveying belt can be continuously shaken to complete shakeout treatment, and when a rotating shaft rotates, the sand removal assembly in the supporting frame can be driven to operate together; by means of the sand removing assembly, casting sand on the outer surface of the casting can be removed while the casting vibrates, so that residual sand grains on the surface of the casting can be removed more quickly, the overall cleaning efficiency is improved, the workload of manual grinding and cleaning is reduced, the labor intensity is reduced, and meanwhile casting damage possibly caused by improper manual operation is reduced.

The invention relates to the technical field of gas pipeline construction, in particular to a welding device for gas pipeline construction, which comprises a base, a left bracket, a left lifting frame, a welding gun, a middle bracket, a material box, a middle lifting frame, an overturning frame, a gear, a pneumatic clamping jaw, a rack, a worktable, a charging barrel and the like, a left lifting frame is connected to the left support in a sliding mode, a welding gun is fixedly installed on the left lifting frame, a material box used for storing steel pipes is fixedly connected to the middle support, a middle lifting frame is connected to the middle support in a sliding mode, the middle lifting frame is fixedly connected with the left lifting frame, an overturning frame is connected to the middle lifting frame in a rotating mode, and a gear is fixedly connected to the overturning frame. A pneumatic clamping jaw used for clamping a steel pipe is slidably connected to the overturning frame, a rack is fixedly connected to the middle support, the gear is matched with the rack to drive the steel pipe to rotate to be in a vertical state, and a material barrel used for storing flange plates is fixedly connected to the material box. According to the device, the steel pipe and the flange can be automatically butted and welded together, and the steps of manual operation are reduced.

The invention discloses a tunnel surrounding rock deformation and support deformation synchronous monitoring system and a construction method. The system comprises a vision unit and multiple groups of displacement acquisition modules, the multiple groups of displacement acquisition modules are uniformly distributed on the support, and each displacement acquisition module comprises an inner displacement assembly and an outer displacement assembly; the outer displacement assembly is fixedly installed on the support and used for monitoring deformation of the support, and the inner displacement assembly is movably installed in the outer displacement assembly and makes contact with surrounding rock so as to monitor deformation of the surrounding rock. And the visual unit performs fixed-point installation and synchronously acquires the displacement of the inner displacement assembly and the outer displacement assembly. The construction method is used for installing the system. The beneficial effects of the invention are that the method can measure the deformation change of the inner and outer layer structures at the same time, achieves the deformation measurement of the inner and outer layer structures, and provides necessary information for employees. Meanwhile, the installation point position of the visual unit is defined, manual carrying by monitoring personnel is not needed, and manpower consumption is reduced.

The invention discloses an AVI one-driving-two testing and sorting integrated automation device and method. The device comprises an automatic feeding lifting table A, an automatic feeding lifting table B, an electrical testing machine A, an electrical testing machine B, a post-material-number-test OK and NG plate table storage table A, a post-material-number-test OK and NG plate table storage table B, a buffer section A, a buffer section B, a discharging conveyor A, a discharging conveyor B, a signal transmission sensor, an AVI detection machine, a discharging lifting table and temporary storage area, a feeding section, a sorting manipulator and an OK plate storage area. An NG plate storage area and an NG plate maintenance area. According to the AVI one-driving-two testing and sorting integrated automation device and method, the production efficiency is remarkably improved, the tedious process of manual carrying and circulation is successfully replaced, and great convenience is brought to field management. And meanwhile, the quality risk and the labor cost are effectively reduced, and powerful technical support is provided for optimization and upgrading of an automatic production line.

The invention discloses a low-voltage power distribution anti-misoperation device which comprises an anti-reverse power transmission module, an anti-misoperation module, a power regulation anti-misoperation auxiliary module, an interaction control screen and a state logic switching module. The invention discloses a low-voltage power distribution anti-misoperation method and device, and the method and device can effectively eliminate the above problems through an anti-reverse power transmission module, an anti-misoperation module and a power adjustment anti-misoperation auxiliary module, have the functions of preventing reverse power transmission and preventing power failure of a user caused by manual operation, and have a locking function when a line does not meet a loop closing condition. On the basis that an original secondary loop is provided with three locks and two keys, three heat reverse connection points are added, the device keeps the original three-lock and two-key protection function of a power supply company, and the intelligent heat reverse loop closing operation function is achieved. Therefore, the five-prevention function under the condition that the electric operation cannot be realized due to the defects of the device or the electrical secondary circuit can be met.

The invention discloses a laminating device for food packaging bag production, and relates to the technical field of laminating devices.The laminating device comprises an outer frame, the outer surface of the outer frame is fixedly connected with a first motor, the output end of the first motor penetrates through the outer frame and extends to the inner side, and the output end of the first motor is fixedly connected with a driving roller; according to the film laminating device for food packaging bag production, after a packaging bag subjected to film laminating processing is sent out, the packaging bag continues to be put in, a first motor is started for conveying and feeding, then a second motor is started to operate, after the second motor operates, a second rotating shaft can be driven to rotate along with the second motor, and a winding roller can be driven to rotate along with the second rotating shaft; the winding roller rotates to wind the film, so that a new film is located above a packaging bag to wait for laminating, cutting and laminating, the purpose of automatically finishing laminating operation is achieved, the manual operation step is omitted, and the processing efficiency is effectively improved.

The utility model discloses a hook for a cargo transportation unmanned aerial vehicle, which belongs to the technical field of unmanned aerial vehicle transportation and comprises an unmanned aerial vehicle body, a connecting pipe is fixedly mounted at the bottom end of the unmanned aerial vehicle body, a butt joint structure for automatic butt joint is inserted into the connecting pipe, and a hook for hanging cargoes is fixedly mounted at the bottom end of the butt joint structure. Clamping frames used for assisting in stable automatic butt joint are rotationally installed on the two sides of the connecting pipe, one ends of the clamping frames are rotationally connected with control structures used for controlling the clamping frames to stretch, and spin lock structures used for locking the clamping frames are fixedly installed at the other ends of the clamping frames. A connecting pipe and a connecting rod are in butt joint and move downwards, a movable block retracts along a clamping block, meanwhile, a first spring pushes the movable block to move to the position between the clamping block and a bottom block, fixed connection between an unmanned aerial vehicle body and a lifting hook is completed, and close-distance contact between personnel and the unmanned aerial vehicle can be reduced; and safety risks and health problems caused by the fact that the stability of the unmanned aerial vehicle is influenced by pulling the unmanned aerial vehicle through manual operation are avoided.

A full-automatic quantitative packaging device for polycrystalline silicon relates to the technical field of polycrystalline silicon packaging equipment, and adopts the technical scheme that the full-automatic quantitative packaging device comprises a rack, a weighing unit, a bag opening unit and a conveying unit, a collecting hopper is arranged at the top of the rack, and a discharging pipe is arranged at the bottom of the collecting hopper; a plurality of weighing units are arranged at the top of the collection hopper, and each weighing unit comprises a weighing bin and a weighing sensor; the bag opening unit comprises a supporting frame and a vertical moving device, the supporting frame is provided with a pair of first telescopic devices, the pair of first telescopic devices are both provided with first connecting plates, and the first connecting plates are provided with suction cups; the conveying unit comprises a conveyor. The steps of automatic quantitative weighing, bag opening packaging, conveying and the like are completed through cooperation of all the assemblies, flexible switching operation among materials with different particle sizes can be achieved, the problem that the labor intensity of manual operation is large is solved, the occupied area is small, the packaging technology is achieved, the structure is simple, and cost is low.