52results about How to "Avoid health risks" patented technology

The invention provides an automatic management system and method for a steel plate warehouse area, and relates to the technical field of industrial automation and intelligent warehousing, and the system comprises a steel plate recognition warehousing module, a warehouse area division module, an informatization warehousing module, an automatic crane and a warehouse management system. Through an efficient automation technology and an intelligent management strategy, the operation efficiency and the storage utilization rate of a steel plate storage area are remarkably improved, the deflection problem caused by mixed storage of steel plates of multiple specifications is effectively avoided, accurate carrying is achieved, manual intervention is reduced, and the system is widely applied to the fields such as shipyards and steel mills with complex steel plate management requirements and has high popularization value. And the production efficiency and the operation safety are comprehensively improved.

The invention belongs to the technical field of high-purity gas preparation and catalysis, and discloses a copper-iron double-component composite catalyst for removing trace acetylene and ethylene in petrochemical byproduct hydrogen chloride gas to prepare electronic grade hydrogen chloride gas, and a preparation method of the copper-iron double-component composite catalyst comprises the following steps: immersing activated carbon in hydrochloric acid; washing the activated carbon carrier with deionized water until the pH is neutral, and drying to obtain the pretreated activated carbon carrier; and impregnating the active component on the pretreated active carbon carrier, carrying out ultrasonic-assisted impregnation, standing, and drying, thereby obtaining the product, the active components are Fe metal salt and Cu metal salt. According to the method, trace acetylene and ethylene in the petrochemical byproduct hydrogen chloride gas are catalyzed to react with the hydrogen chloride gas at the same time, so that acetylene and ethylene are removed at the same time, and the acetylene and ethylene removal step in the existing hydrogen chloride purification process is simplified. Compared with a traditional method, the reaction efficiency of preparing the electronic-grade hydrogen chloride gas is remarkably improved.

The invention discloses an employee work ability assessment method based on multi-modal health data fusion. The method comprises the steps of obtaining a plurality of health index values of physical examination data of an employee to be assessed, a plurality of self-assessment scale scores of psychological assessment data and a plurality of physiological monitoring index values of wearable device data; performing standardization processing on the acquired data, and converting the standardized data into feature vectors respectively; respectively inputting the feature vectors corresponding to the physical examination data and the psychological evaluation data into a trained multi-layer perceptron for feature extraction to obtain a physical examination feature vector and an evaluation feature vector; inputting the feature vector of the wearable device data into a trained long-short-term memory network for feature extraction to obtain a wearable feature vector; and inputting the physical examination feature vector, the evaluation feature vector and the wearing feature vector into a fusion module of a trained multi-modal learning model to perform feature fusion, and inputting the fused features into a DNN model of the multi-modal learning model to generate a work ability score.

The invention relates to the technical field of water quality monitoring, in particular to a distributed raw water quality real-time monitoring system which comprises an underground water sampling module, a sample analysis module, a water quality feedback terminal and a data storage terminal. And finally, the water body quality corresponding to the underground water quality in the target raw water body area is fed back to a system interface for interface display, the water quality evaluation can guarantee the safety and sustainability of the water resource, and the water quality evaluation efficiency is improved. Health risks and economic losses caused by water quality pollution are avoided, and underground water quality evaluation has direct influence on public health. Various health problems may be caused by drinking or using the water for a long time, the drinking water safety of residents can be guaranteed, health risks can be found and treated in time, and therefore the health of the residents is protected.

The invention provides a blood glucose trend prediction system and method based on digital twinning. The blood glucose trend prediction system based on digital twinning comprises a blood glucose prediction platform, detection equipment worn by a patient, a data transmission module and a patient mobile terminal, the detection equipment worn by the patient is used for collecting physiological signal parameters of the patient in real time; the data transmission module is used for sending the physiological signal parameters to a blood glucose prediction platform and feeding back a blood glucose trend result obtained by the blood glucose prediction platform to the patient mobile terminal; the blood glucose prediction platform is used for calling the trained and tested digital twin model after receiving the corresponding physiological signal parameters of the patient, and performing blood glucose trend prediction according to the corresponding physiological signal parameters of the patient to obtain a blood glucose trend result; the patient mobile terminal is used for receiving the blood glucose trend result in real time and visually displaying the blood glucose trend result. The method comprises steps corresponding to the system module.

The invention belongs to the technical field of carbon dioxide capture low-energy-consumption safe storage methods, and discloses a marine diesel engine tail gas carbon dioxide capture low-energy-consumption safe storage method which comprises a carbon dioxide capture system, a low-energy-consumption system and a safe storage system. The carbon dioxide trapping system is mainly used for separating carbon dioxide from tail gas of a marine diesel engine for subsequent sealing or utilization, the carbon dioxide trapping system is divided into a pretreatment unit and a carbon trapping unit, and the carbon dioxide can be conveniently transported and sealed through liquefaction storage; the volume of the liquefied carbon dioxide is greatly reduced, long-distance transportation and storage are facilitated, the transportation cost is reduced, the liquefied carbon dioxide can also be used as a resource, for example, the liquefied carbon dioxide can be used in the fields of industrial raw materials, refrigerants, food preservation and the like, sustainable utilization of the resource is achieved, and the energy storage mode has the advantages of low cost, high efficiency, long service life and the like. And the energy utilization efficiency can be improved.

The invention relates to the technical field of medical information, and particularly discloses a heart disease rehabilitation follow-up visit data management system and method based on data tracking, and the system collects health state data and activity level data of a patient, analyzes the data, and calculates a heart rate fluctuation index and a blood pressure fluctuation index; the heart rate and the blood pressure stability of the patient are evaluated; the activity time ratio of each patient is calculated, and a fitness score is calculated through a comprehensive formula and used for judging whether the health state of the patient is suitable for the current activity level or not; according to the fitness score, the patients are classified into two types of suitable activities and non-suitable activities; for patients suitable for activities, the system suggests to maintain the current activity level and properly reduces the monitoring frequency; for patients not suitable for activities, the monitoring frequency is enhanced, and rehabilitation ability scores are obtained through comprehensive analysis; finally, according to comparison of the rehabilitation ability score and a preset threshold value, whether a treatment scheme needs to be adjusted or not is determined.

The invention belongs to the technical field of high polymer materials, and particularly relates to a low-viscosity self-adhesion protective film and a preparation method thereof. The protective film comprises an outer contact layer, a support layer and a self-adhesive adhesion layer. The outer contact layer is made of a modified elastomer material; the supporting layer is made of a modified polyolefin material; the self-adhesive layer is a modified acrylate hot-melt pressure-sensitive adhesive and comprises an acrylate monomer, a reversible cross-linking agent, a plasticizer, an initiator, a hindered phenol antioxidant, a hindered amine light stabilizer and a reaction control aid; the acrylate monomers comprise butyl acrylate, isobornyl methacrylate and hydroxyethyl acrylate, the reversible cross-linking agent is bis (2-methallyl) ethyoxyl disulfide, the plasticizer is a polyurethane elastomer, and the hindered phenol antioxidant is an antioxidant 1010; the hindered amine light stabilizer is a light stabilizer 770, the reaction control aid is diethyl hydroxylamine, and the initiator is di-tert-butyl peroxide.

The present invention relates to the field of terminal management technology, and specifically discloses a terminal management system for the Internet of Things, which is used to solve the problems of difficulty in distinguishing the authenticity of drugs and unreasonable use of lighting by the elderly in existing home-based elderly care. The present invention gives users an identification label on a drug box, establishes a label application management program based on the identification label, downloads and installs it in a terminal management system for the Internet of Things, matches the information to be identified of the identification label through the label application management program to determine whether it is received, thereby generating and managing the identification information of the drug box, helping users to maintain a regular medication schedule and prevent health risks caused by forgetting or taking the wrong medication. Real-time video image acquisition in the room obtains the user's activity frequency, controls the switching of lighting equipment in each room, and issues an alarm when it detects that there is a problem with the user's sleep quality, thereby realizing an intelligent light switch function and avoiding energy waste caused by forgetting to turn off the lights.

The invention belongs to the technical field of microorganisms, and particularly relates to leuconostoc mesenteroides, fermented spicy cabbages with the effects of soothing the nerves, helping sleep and relieving anxiety and a preparation method of the fermented spicy cabbages. The leuconostoc mesenteroides NCU018046 provided by the invention is preserved in the China General Microbiological Culture Collection Center (CGMCC) on September 5, 2024, and the preservation number of the leuconostoc mesenteroides NCU018046 is CGMCC NO.31870. The strain has strong acid and cholate resistance, has strong inhibition capability on common food-borne pathogenic bacteria, and meets safety standards. The complex microbial inoculant provided by the invention is prepared from the strain and plant lactobacillus NCU0011098. The fermented spicy cabbages prepared by fermenting a single bacterial agent of leuconostoc mesenteroides NCU018046 or the complex bacterial agent are good in flavor and low in content of harmful substances, and have various biological activities of soothing the nerves, helping sleep, relieving anxiety, resisting hypertension, resisting oxidation, reducing uric acid, resisting colon cancer and the like.

The invention discloses a vehicle fence standby vehicle control method, a vehicle, a system, equipment, a medium and a program, and belongs to the technical field of automobile intelligence. The method comprises the steps that when it is recognized that a signal enters a fence standby vehicle activation area, a request instruction is sent to a controller system; according to request execution state feedback of the controller system, an opening instruction is sent to the area control system for adjusting the environment in the vehicle; and the area control system sends the opening execution state to the cabin area control system and feeds back the opening execution state. According to the method, the vehicle using scene of the user is recognized, the environment in the vehicle is adjusted in time under the emergency condition or when the user is negligible, and the vehicle using experience of the user is improved.

The invention relates to the technical field of motion sensing and intelligent analysis, in particular to a display system based on motion sensing and digital twinborn ecology fusion. Comprising a server, a dynamic analysis module and an intelligent display module, the exercise physiological deviation value is obtained by performing deviation analysis on the exercise data and the physiological data of each user, and then real-time trend analysis is performed on the exercise physiological deviation value, so that the exercise health state of the user can be accurately evaluated, and the future exercise physiological state can be predicted and managed; by displaying the overlapping value between the exercise posture of the user and the standard posture in real time, the user can be helped to clearly understand whether the exercise posture of the user is correct or not, posture adjustment suggestions are provided in time, and exercise injuries are reduced; in combination with simulation of the virtual scene, the user can experience the virtual scene matched with the actual exercise posture of the user, the effectiveness of exercise training and the input feeling of the user are enhanced, and the practicability and individuation of exercise guidance are improved.

The invention relates to the field of building waterproof materials, and discloses a polymer composite asphalt self-adhesive waterproof coiled material which comprises a surface layer protective film, a self-adhesive glue layer, a composite asphalt layer, an environment-friendly base material and an isolating film from top to bottom. The surface layer adopts a polylactic acid film, the self-adhesive layer consists of a polyurethane matrix, an acrylate tackifier and nano silicon dioxide, the composite asphalt layer is a mixture of recycled asphalt and new asphalt, an environment-friendly plasticizer is added, and the environment-friendly base material consists of a polylactic acid and polyhydroxyalkanoate composite material. The coiled material disclosed by the invention has excellent adhesive property, durability and environmental protection property, is particularly suitable for the waterproof requirement in a wet and cold environment, can keep stable adhesive force at the temperature of-20 DEG C to 40 DEG C, and has good biodegradability and low VOC (Volatile Organic Compounds) emission. Compared with a traditional waterproof coiled material, the service life is prolonged, the environment-friendly requirement of green buildings is met, and the waterproof coiled material is suitable for building waterproof engineering of roofs, basements, tunnels and the like.

This invention discloses a special consumable for a double-layer cat litter box and its preparation and usage method, relating to the field of pet cleaning products technology. The invention's upper layer of cat litter and lower layer of absorbent and deodorizing granules, through synergistic design of formula and process, form a complete pet excrement treatment system. The upper layer of cat litter is responsible for trapping and encapsulating feces and draining urine, while the lower layer of absorbent and deodorizing granules is responsible for absorbing and treating odors generated by urine and feces. The combined use of these two layers achieves a highly efficient usage mode with automatic urine seepage, direct feces removal, no need for stirring the upper layer, and regular replacement of the lower layer. This significantly simplifies daily maintenance procedures, reduces the labor intensity of pet ownership, and significantly improves the user experience for family pet cat owners.

The invention provides an automatic residual powder collecting device for metal 3D printing, which comprises a fan, a cyclone separator assembly, a powder collecting cover assembly, a powder collecting tank and a blowing system assembly, the fan is communicated with an exhaust port of the cyclone separator assembly, and a feeding port of the cyclone separator assembly is communicated with the powder collecting cover assembly; the powder collecting cover assembly collects residual powder blown and raised by the blowing system assembly, and a discharge port of the cyclone separator assembly is communicated with the powder collecting tank. According to the automatic residual powder collecting device and method for metal 3D printing, blowing and negative-pressure powder suction can be conducted at the same time in the powder collecting cover assembly through the draught fan and the blowing system assembly, and the surfaces of a construction bin, a 3D printing workpiece and a base plate are thoroughly cleaned; the blowing frequency of the blowing system assembly and the blowing angle of the blowing nozzle can be flexibly adjusted according to the structural characteristics of different workpieces and the printing process layout, the whole process is automatically controlled, and the health risk in the manual powder cleaning process is effectively avoided.

The utility model relates to the waste cracking technical field, and disclose a kind of waste plastic cracking oil is with oil gas quick separation device, comprising: container, the top of container is provided with outlet pipe, one end of outlet pipe is through container and extends to inside and is fixedly installed with filter screen, outlet pipe is fixedly installed with spiral plate on and located in container, the circumferential wall of container is fixedly installed with inlet pipe, one end of inlet pipe is through container, inlet pipe is located at one side of spiral plate, provide a kind of oil gas separation efficiency is high, cracking oil quality is stable, production efficiency is high and the oil gas quick separation device for waste plastic cracking oil with superior environmental performance, device is through optimization internal structure, oil gas can be quickly and thoroughly separated, to improve the quality and production efficiency of cracking oil, the device also pays attention to environmental performance, ensure that the discharged gas does not contain harmful substances, effectively avoid environmental pollution and health risk of operator.

The utility model relates to the technical field of livestock breeding, disclose a kind of livestock house disinfection spraying device, including slide rail located in both sides, further include: moving plate and liquid storage bucket;Moving plate is slidably arranged between the slide rail, and liquid storage bucket is arranged at the top of the moving plate, stirring structure is equipped in the liquid storage bucket, the both sides of the moving plate are respectively equipped with the winding structure that facilitates dismounting and assists moving plate movement;The top of the moving plate is equipped with concave plate, the top of the concave plate is equipped with and the liquid pump of the liquid storage bucket is connected, the both sides of the moving plate are equipped with inclined arrangement and the liquid pump is connected with the liquid spray pipe, the liquid spray pipe is equipped with multiple groups of atomizing spray head arranged up and down on it.The utility model has the advantages compared with prior art in that: it realizes the automatic disinfection of "unmanned close-range operation", reduces the contact between staff and disinfectant, fundamentally solves the occupational injury problem of traditional operation.

This utility model discloses a rotary worktable for a casting machine, comprising: a rotary table, a drive mechanism, a base, and several support components; the rotary table is provided with several workstations, and the rotary table is connected to the drive mechanism via transmission, and the rotary table is mounted on the base; the support components are located below the rotary table, and the support components include a support base, a support plate, a connecting seat, and rollers, the rollers are rotatably connected to the connecting seat, the connecting seat is mounted on the support plate, the support plate is mounted on the support base, and the rollers are in contact with the lower surface of the rotary table; this solution has the characteristics of improving casting efficiency, facilitating automated operation, and high stability.

The invention relates to a trans-valve blood pump which comprises a pump body, an input pipe, an output pipe, a first one-way valve, a second one-way valve, a bag body, a catheter, a third one-way valve, a fourth one-way valve and a pressure generating mechanism. A first opening communicated with the first containing space and a second opening communicated with the first containing space are formed in the surface of the pump body, one end of the input pipe is connected with the first opening of the pump body, and one end of the output pipe is connected with the second opening of the pump body. According to the trans-valve blood pump, through the design that the third one-way valve and the fourth one-way valve are arranged on the catheter, blood of a patient replaces external fluid to drive the bag body to expand and contract, so that the problem that the external fluid enters blood circulation is effectively avoided, and the blood pump works more safely and reliably; the health risk caused by external fluid leakage is avoided, and the stability and adaptability of the equipment are improved.

The invention discloses a special disinfection and sterilization device for medical equipment, belonging to the field of disinfection and sterilization, comprising: a shell, a disinfection and sterilization mechanism, a drying mechanism, a clamping and turning mechanism and a support plate driving mechanism, wherein the disinfection and sterilization mechanism comprises a purple light lamp, a spray pipe, a sliding frame, a rotating rod, a motor one, a water tank, a water pipe, a limit rod and a drainage tank; the disinfectant in the water tank flows into the spray pipe through the water pipe, and is sprayed out from the water spray hole of the spray pipe, and the sliding frame is driven by the motor to move the spray pipe back and forth, thereby expanding the spray range of the spray pipe, and the medical equipment is disinfected and sterilized by the spray pipe and the purple light lamp; the clamping and turning mechanism is bilaterally symmetrical, comprising a sliding rod group, a disinfection and sterilization cabinet, a rack group, a gear group, a motor two, a T-shaped rod, a trapezoidal plate, a rotating shaft frame, a medical equipment support plate, a transmission wheel, an electric cylinder one and a motor three; the clamping and turning mechanism can automatically turn over the medical equipment, thereby performing all-round sterilization and disinfection on the medical equipment.

The invention provides various vegetables and a sauce pickling processing method thereof.The processing method optimizes processing steps and comprises the steps of fine earlier-stage processing, pre-independent processing, batch pickling and the like, firstly, raw vegetables to be processed are sequentially subjected to cutting or picking, washing and airing treatment, secondly, the raw vegetables and bean fruit ingredients are classified and independently processed according to classes, and then the raw vegetables and the bean fruits are subjected to sauce pickling. And finally, dividing the vegetables to be pickled into a plurality of batches, and sequentially putting the vegetables in the constant-temperature warehouse in batches for pickling. Each step aims to improve the taste and flavor of the final product; and through reasonable seasoning matching and pickling time control, the produced pickled vegetables have unique flavor characteristics, and are fragrant in smell, good in mouth feel and long in aftertaste.

The invention relates to the technical field of tea drinks, in particular to black fungus based blood vessel softening red date ginger tea which comprises the following components in parts by weight: 150-450 parts of black fungus, 9-28 parts of red dates and 0.75-3 parts of fresh ginger. Through perfect fusion of the three food materials of the black fungus, the red dates and the fresh ginger, the black fungus-red date-fresh ginger beverage contains rich nutrition and pharmacological action and has the effects of expanding blood vessels, accelerating blood circulation and resisting cold, the black fungus, the red dates and the fresh ginger are ingeniously fused and can jointly play the effect of softening the blood vessels, and the black fungus has the effects of activating blood, resisting blood coagulation, resisting thrombus, reducing blood fat and softening the blood vessels and has the effects of promoting blood circulation, resisting blood coagulation and thrombus. The red dates, the ginger, the red dates and the ginger supplement one another and act together to provide comprehensive and balanced health-preserving nourishing for human bodies, so that blood flows smoothly, cerebral vessels are reduced, and blood can be helped to flow to capillary vessels around skin more easily, so that blood circulation is promoted, metabolism is accelerated, and the mental state is better; the food is prepared from pure food materials and does not contain any additive.

The invention relates to the technical field of biomacromolecule detection, and discloses a long-term preserved prefabricated gel for phosphorylated protein separation electrophoresis, the long-term preserved prefabricated gel comprises a polyacrylamide prefabricated gel, the polyacrylamide prefabricated gel comprises a binuclear metal complex capable of being specifically combined with a phosphorylated group, the binuclear metal complex is a compound T67772, and the binuclear metal complex is a compound T67772. Divalent metal ions are added into the polyacrylamide prefabricated glue, and the divalent metal ions are zinc ions or manganese ions. A binuclear metal complex (a compound T67772) and divalent metal ions (such as zinc ions or manganese ions) are added into prefabricated glue, and the prefabricated glue can be specifically combined with phosphate groups in phosphorylated proteins, so that the mobility of the phosphorylated proteins is remarkably reduced, effective separation from non-phosphorylated proteins is realized, and the yield of the phosphorylated proteins is improved. The specific binding mode ensures the migration difference of phosphorylated and non-phosphorylated proteins, and realizes the separation of protein subtypes with different phosphorylation numbers and sites.

The discharging mechanism comprises a discharging box, a discharging plate is obliquely arranged in the discharging box, a discharging pipe is arranged above the upper end of the discharging plate, the upper end of the discharging pipe penetrates through a top plate of the discharging box and extends out of the interior of the discharging box, and a discharging opening is formed in the bottom of the discharging box. A blower is installed at the position, located below the discharging pipe, of the discharging box, an air suction port is formed in the position, opposite to the blowing direction of the blower, of the discharging box and communicates with a dust collector, particle materials discharged by the granulator can fall onto the discharging plate through the discharging pipe, and the particle materials falling onto the discharging plate can roll down from the discharging plate and are discharged through a discharging port. Meanwhile, dust in the particle materials can be blown away through an air blower, can be blown into an air suction opening and is collected through a dust collector, pollution and health risks caused by the dust in the particle materials to the working environment and operators can be avoided, meanwhile, dust can be prevented from being attached to the surfaces of the particle materials, and it is ensured that the appearance and quality of the particle materials meet the requirements.

The invention provides a zero-formaldehyde high-fastness transparent waterproof fabric coating material and a preparation method thereof, and relates to the technical field of high polymer materials. The coating material is prepared from water, a compound emulsifier, a soft monomer, a hard monomer, a hydrophilic monomer, a crosslinking monomer, a crosslinking aid, an initiator, an oxidizing agent, a reducing agent, a defoaming agent, a sterilizing agent and a PH regulator. The defects in the prior art are overcome, generation of harmful substances such as formaldehyde is avoided by selecting specific environment-friendly raw materials and an innovative technological process, high fastness and good transparency of the coating are ensured, and the comprehensive requirements of modern textiles in the aspects of environmental protection, functionality and attractiveness are met.

This utility model discloses an anti-oxidation device for copper wire transmission. A fixed box is placed at the initial connection end of the traction mechanism, and the copper wire is then passed through the sealing colloid of the first and second openings. Antioxidant is poured into the solid box through a first liquid inlet pipe, continuously submerging the copper wire. The sealing colloid prevents significant liquid leakage during copper wire transmission. Once the antioxidant reaches a preset standard, the traction mechanism is activated, guiding the copper wire through the antioxidant in the solid box. The fixed box possesses high mechanical properties and rigidity, ensuring long-term use. This device solves the technical problem of existing plastic bottles being too soft, having poor mechanical properties, and easily damaged, leading to antioxidant leakage and affecting the anti-oxidation process of the copper wire.

The utility model discloses a kind of for vehicle skeleton inner hole processing equipment, including bottom plate, fixedly connected with operation table on bottom plate, chute is opened in operation table, controller is installed in operation table, clamping transport mechanism is provided in operation table, inner hole processing mechanism is provided in operation table, flush mechanism is provided between bottom plate and operation table.The utility model realizes the accurate position control of inner hole processing ware by second distance sensor and third electric push rod cooperation, in processing process, second distance sensor pre-set first threshold value and second threshold value, ensure that inner hole processing ware is accurate in position when descending and ascending, to effectively reduce inner hole roughness.

The present application provides a bathtub health monitoring management system and method based on AI control, which relates to the field of smart home technology, by collecting basic information of target users; performing intelligent analysis of bathtub parameters based on the basic information of target users to determine the tolerance range of bathtub parameters; interacting with the sensor array of the target bathtub to collect multiple temperature monitoring data sets, multiple water pressure monitoring data sets, and multiple user monitoring data sets; identifying the degree of abnormality of multiple temperature monitoring data sets, multiple water pressure monitoring data sets, and multiple user monitoring data sets, respectively, to generate a first abnormal coefficient, a second abnormal coefficient, and a third abnormal coefficient; performing health monitoring management of the target bathtub according to the first abnormal coefficient, the second abnormal coefficient, and the third abnormal coefficient. The present application solves the technical problem that traditional bathtubs cannot provide comprehensive and accurate health management according to the personalized needs of users, and improves the accuracy and adaptability of health management.

The utility model relates to the technical field of welding devices, and discloses a welding device with a cooling structure, which comprises a working table, four sliding chutes are arranged on the middle side of the upper part of the working table, support rods are fixedly connected to the inner walls of the sliding chutes, clamping plates are slidably connected to the outer parts of the support rods, and rotating shafts II are fixedly connected to the bottoms of the clamping plates. A movable block is fixedly connected to the middle side of the interior of the workbench, a disc is rotationally connected to the outer portion of the movable block, first rotating shafts are fixedly connected to the periphery of the edge of the disc, connecting rods are arranged between the first rotating shafts and the second rotating shafts, and a square block is slidably connected to the inner top wall of the workbench. According to the welding device, the air cylinders, the supporting rods, the side plates, the square blocks, the clamping plates, the first rotating shafts, the connecting rods, the second rotating shafts, the discs, the movable blocks, the sliding grooves and the workbench are matched with one another, the clamping plates are driven to work, sliding or overturning is avoided in the welding process, and the operation risk is reduced.

The invention relates to the technical field of intelligent health monitoring and auxiliary equipment, in particular to a safety monitoring and early warning system for an intelligent walking stick, which comprises a positioning module, an electronic fence module, a heart rate monitoring module, a fall recognition module, a comprehensive analysis module and an execution module, according to the intelligent walking stick, the GPS technology and the LBS base station positioning technology are combined, accurate positioning and positioning correction of the intelligent walking stick are achieved, the electronic fence module is arranged, whether a user crosses the border or not is monitored in real time, and the safety of old people or other users in need in outdoor activities is effectively guaranteed; the heart rate monitoring module monitors the heart rate condition of a user in real time, and when abnormal heart rate fluctuation is detected, a health alarm is given out in time to help prevent health risks; the posture of a user and the motion state of the walking stick are monitored in real time through the inertial measurement unit in combination with acceleration data, the falling behavior can be accurately recognized, and a certain safety guarantee is provided for old people living alone.