65results about How to "Block circulation" patented technology

The invention discloses a nursing type mixed fabric and a production method thereof. The nursing type mixed fabric is characterized by being formed by mixing milk silk fibres, Modal fibres, Newdal fibres and urethane elastic fibres which are taken as raw materials and being counted by raw material percentage by weight, a finished fabric is made of the following raw materials by weight: 10-55 percent of milk silk fibres, 20-50 percent of Modal fibres, 20-60 percent of Newdal fibres and 2-8 percent of urethane elastic fibres, and the gram weight of the finished fabric is 250-300g / M<2>. The nursing type mixed fabric has the aroma of milk silk, good heat preservation and ventilation property, natural skin nursing function and soft, smooth and silky feel. The invention also provides two coloration methods aiming at the nursing type mixed fabric. With the two coloration methods, each dyefastness index reaches or surpasses national standards.

The invention provides an aluminum-coated plastic energy-saving fire-resistant window. Square steel is fixedly installed in a PVC section chamber. A structural aluminum section is fixed on a PVC section and the square steel. The internal of the PVC section chamber and the external surface of the PVC section are bonded with refractory materials. After the assembly of the PVC section and the structural aluminum section is completed, an L-shaped glass support plate is installed on the PVC section, a lap of refractory materials is pasted in the same position of the PVC section, with the refractory materials covering the L-shaped glass support plate, then glass is put in, and a T-shaped protection component is installed. The invention also provides the fire protection method of the aluminum-coated plastic energy-saving fire-resistant window. The aluminum-coated plastic energy-saving fire-resistant window is tested according to the GB / T12513-2006 standard, and the time of fire-resistant integrity obtained is 60 min. Both the PVC section chamber and the surface of the PVC section are bonded with the refractory materials which can expand at high temperature to fully support softened PVC. The four corners of a window frame are connected by metal screw connectors, breaking the welding barrier of plastic steel window corners.

The invention provides an intelligent and safe elevator. The intelligent and safe elevator comprises a rechargeable battery mechanism, a disaster escape mechanism, a detection mechanism, a plurality of lifting mechanisms, a visual intercom mechanism, a fireproof mechanism, a function module and a communication module. By means of the technical means, when an emergency happens to the elevator, different lifting manners can be adopted in the elevator, and therefore it is ensured that a rechargeable battery achieves the optimal function, so that safe and effective running of the elevator is achieved. The technical problems that an existing elevator is likely to be disturbed, and consequently energy waste is caused, effective running cannot be ensured when a disaster happens, communication between passengers and the outside is not humanized enough, and remote calling or control cannot be achieved are effectively solved; and then the technical effects that the elevator runs intelligently and safely, energy is saved, effective running is ensured when the disaster happens, remote calling and control of the passengers are achieved, and humanized communication between the passengers and the outside is achieved are achieved.

The invention relates to a clamp for preparing graphene and a method for preparing graphene. The clamp comprises a horizontal top frame, a bottom frame and a loading tray, wherein the top frame and the bottom frame are fixedly connected through a first side plate, a second side plate and a baffle plate, which are vertically arranged; both the top frame and the bottom frame are of plane structures with openings in the middle parts; the top frame, the bottom frame, the first side plate, the second side plate and the baffle plate form a quad structure with an opening in one side surface; the first side plate and the second side plate are oppositely arranged in parallel; a plurality of tray grooves are uniformly formed in both the first side plate and the second side plate; two opposite side edges of the loading tray are respectively inserted in the tray grooves. The clamp reasonably utilizes the limited growth space in a process cavity, so that the quantity of the graphene thin films prepared in one batch is increased to the greatest extent to realize the minimization of the resource waste and the maximization of the cost while ensuring the quality of the prepared graphene thin films.

The invention discloses a multifunctional safety door, comprising a door body and a door frame, wherein a sealing strip is arranged at the contact part of the door frame and door panels; a door lock and handles are arranged on the door body; a transverse rectangular slot is arranged in the middle part of the door body; a baffle plate is arranged inside the slot; the baffle plate is pulled up and down by inner and outer handles, so as to open or close the slot; a store room is also arranged between the inner and outer door panels at the lower part of the slot; a storage basket is arranged at the lower side of the slot at the interior side, and can receive and dispatch letters, objects and the like when no person is at home; meanwhile, a sound and light alarm is generated when the door body is opened, so as to prompt timely closing and insuring. The multifunctional safety door has the effects of sound insulation, collision avoidance, smoke control, poison gas protection and cold and heat insulation; not only can smoke be prevented from entering inside a room in a fire, but also a fireproof swelling strip also can expand for a plurality of times; the multifunctional safety door plays the roles of increasing security and preventing burglary.

The invention provides a light-weight thermal-insulation type concrete material and a preparation method thereof. The preparation method of the light-weight thermal-insulation concrete material comprises the following specific steps: adding 0.1-0.2 part by weight of manganese dioxide into 1 part by weight of hydrogen peroxide with the mass concentration of 30-40%, adding the prefabricated slurry while stirring, uniformly stirring, carrying out vibration molding, and curing to obtain the light-weight thermal-insulation concrete material. Hydrogen peroxide is decomposed to generate gas under thecatalytic action of manganese dioxide, so that micro pores are uniformly formed in concrete, and light weight thermal insulation are achieved; meanwhile, a three-dimensional network structure is formed in a cement gel network by adjusting slurry components and forming polyaniline in the preparation process, the strength of the concrete is improved, the high-strength requirement of a building canbe met, and the application prospect is wide.

The invention provides a test tube storage device suitable for the cardiovascular department and a method thereof, and belongs to the technical field of cardiovascular department medical instruments. The test tube storage device suitable for the cardiovascular department comprises a storage box, at least one heat preservation device and a damping device. The storage box comprises a box body. an accommodating cavity and a refrigerating cavity are respectively formed in the box body; the heat preservation device is distributed in the containing cavity. The heat preservation device comprises a heat preservation pipe, a base and a sealing cover. The push rod pushes the rotating disc to rotate to drive the first sliding block at the bottom of the opening and closing plate to slide along with the sliding groove of the rotating disc, so that the guide rod moves towards the outer side of the cover body in the guide hole. Through the guiding effect of the guiding hole on the guiding rod, the opening and closing plate changes the angle along with the guiding hole, so that the opening and closing plate tends to move away from or close to complete opening and closing of the second through hole; the test tubes can be conveniently taken, and the heat preservation cavity can be sealed in time to block air circulation.

The invention discloses an industrial robot traction demonstration system, and relates to the field of robots. The industrial robot traction demonstration system comprises a mechanical arm with multiple degrees of freedom; the mechanical arm comprises a base and a plurality of movable arms; a movable joint is arranged between every two adjacent movable arms, and the movable arms are sequentially connected with the base by the movable joints; a U-shaped bag is arranged between every two adjacent movable arms, and two ends of each U-shaped bag are correspondingly in fixed connection with the twoadjacent movable arms; each U-shaped bag is internally provided with a magnetic valve dividing the U-shaped bag into two parts; a though hole is formed in the side, away from the base, of each U-shaped bag; a film is arranged at each through hole; a strip-shaped pipe is connected with the film at each U-shaped bag; a cone-shaped cover shell is in sleeving connection with the end, away from the corresponding U-shaped bag, of each strip-shaped pipe; and each cone-shaped cover shell is internally provided with a spring piece. According to the industrial robot traction demonstration system, the problem of danger caused by sudden power-off during traction demonstration of an existing robot is solved; and an industrial robot traction demonstration system capable of sending a warning during thesudden power-off of a robot to guarantee safety of workers near the robot is achieved.

The invention provides a preparation method of a low-smoke flame-retardant modified polyethylene foaming material for a cavity of an automobile. The method comprises the steps: firstly, preparing a foaming masterbatch by using a plastic mixer, that is, placing linear low density polyethylene resin and a nucleating agent into an internal mixer, adding levapren rubber and olefin elastomer resin to be internally mixed, then, internally mixing ethylene-propylene-diene rubber and butadiene rubber in the internal mixer, and finally, discharging to obtain the foaming masterbatch; and then, preparing a foaming material mixture by using an open mill, that is, mixing the foaming masterbatch, a foaming promoter, a crosslinking agent and a crosslinking promoter in the open mill, delivering the foaming material mixture into an extruder, and carrying out extrusion molding on the foaming material mixture to form a sheet, i.e., the low-smoke flame-retardant modified polyethylene foaming material for the cavity of the automobile. The foaming material has the height ratio of larger than or equal to 800% and the foaming ratio of over 3000% at the temperature of 140-180 DEG C, so that the expected excellent effects of low smoke, flame retardance and soft and hard-knot-free surface after foaming are achieved, and the environment friendliness and safety of the automobile are improved.

The invention discloses a milk silk quilt which comprises a bedding bag and a quilt core, wherein the bedding bag is made of ice silk fabrics, is smooth and cool, and has better shape maintaining property and drapability; and the quilt core is formed by mixing and processing milk fibers and silk fibers. The milk protein fibers are protein fibers extracted from milk, are soft and smooth, and have better thermal insulation property and elasticity. The milk silk quilt has the functions of moisture removal and ventilation, mite prevention, antibiosis and the like, and has better derma sensitive property and capabilities of promoting cell metabolism of a human body and improving sleeping quality.

The invention relates to the technical field of furniture supplies, in particular to a hollow heat-preserving door curtain. The hollow heat-preserving door curtain is characterized by comprising at least one door curtain body, a fastening piece is connected to the upper edge of the door curtain body and used for being installed on a door frame or a wall, and the upper edge of the door curtain body can be clamped into the fastening piece in a connecting mode. The door curtain body is designed to be of the width of 30cm or 40cm, and the height of the door curtain body can be cut freely in order to meet the installation requirements of all door bodies. Due to the fact that the hollow door curtain design is adopted for the hollow heat-preserving door curtain, circulation of the inside air and the outside air is effectively obstructed, and the heat preserving effect is improved. Due to the fact that the hooking method is adopted for connection and installation, holes do not need to be punched for installation any more, and the hollow heat-preserving door curtain can be installed without using professional installation tools and needing special installation personnel. All the components can be produced in a standardized mode, thus, production cost is effectively reduced, and the hollow heat-preserving door curtain is convenient to store, transport and sell.

The invention discloses a flat gate valve easy to open and close. The flat gate valve comprises a valve body and a pressure reducing mechanism. A gate for separating a medium circulating passage into an upstream passage and a downstream passage is disposed in the valve body. The pressure reducing mechanism comprises a flow retaining plate, two valve seats, a cavity, a lifting rod and a lifting hand wheel, wherein the cavity is fixed on the valve body corresponding to the upstream passage, the two valve seats are symmetrically fixed in the upstream passage, one end of the lifting rod is connected with the flow retaining plate, the other end of the lifting rod is connected with the lifting hand wheel which is disposed on the cavity, the lifting hand wheel cooperates with the lifting rod to allow the gate the move up and down between cavity and the two valve seats. The flat gate valve has the advantages that the pressure borne by the gate during opening and closing of the gate valve can be reduced, and the opening and closing of the gate valve is allowed to be easy, convenient and fast.

The invention discloses an efficient automatic compensation type gate valve and a using method thereof, belongs to the field of gate valves, and can realize that an elastic feeler lever rubs with an extrusion cylinder to generate vibration when a valve rod is rotated to drive a gate plate body to ascend, so that a carbon dioxide aqueous solution shakes, and carbon dioxide is promoted to overflow into a telescopic hose. A rack rod is jacked to move upwards to drive a gear to rotate by 180 degrees, so that a magnetic ball rotates to be in the same polarity with a magnet piece, a piston is driven to move downwards, air in an extrusion barrel is extruded to be blown into a telescopic air bag, the telescopic air bag expands to push an extrusion plate and a movable frame to tightly abut against a heat insulation sealing gasket, and gaps are not prone to being generated between the telescopic air bag and a gate plate body; airtightness is improved; and after the heat insulation sealing gasket is abraded and has a notch in use, heat generated by friction between the heat insulation sealing gasket and the flashboard body is transmitted into the sealing frame, so that the memory telescopic rod is heated to extend, the extrusion film is extruded to promote the repair colloid to be sprayed out and repair the notch, and along with the heat, the heat insulation sealing gasket is rapidly dried, and the repair effect is enhanced.

The invention discloses a battery fire protection sealing device. The battery fire protection sealing device comprises a cavity bin space composed of five mutually perpendicular sides, and a bin doorcapable of being drawn out and buckled, and the bin space and the bin door integrally form a space capable of being closed and accommodating a battery pack; the battery fire protection sealing deviceis characterized in that the bin door and the bin space are provided with a tensioning device for tensioning the bin door and the bin space in the case of fire, and the tensioning device comprises anlinear actuator arranged on the bin space, a strong magnet block arranged at one side, close to the bin door, of the linear actuator, and an iron block arranged on the bin door and cooperating with the strong magnet block, when the inside of the battery is on fire, the strong magnet block on the tensioning device attracts the iron block on the bin door so as to further completely seal the bin doorand the bin space, smoke and fire are prevented from breaking out from the bin door, and safety is improved.

The invention discloses a spontaneous combustion preventing composition, use of the composition, a preparation method for the composition and a method for inhibiting coal and coal gangue from spontaneous combustion. The spontaneous combustion preventing composition disclosed by the invention contains the ingredients in parts by weight: 100 parts of polyvinyl acetate, 0.1-3 parts of bisphenol A, 1.5-30 parts of emulsifier, 0.3-2 parts of organosilicon defoamer and 50-200 parts of water. The spontaneous combustion preventing composition disclosed by the invention can be used for forming a layer of protective film on the surface of each coal and coal gangue granule, so that rainwater erosion is prevented, the process that water is evaporated from the coal and the coal gangue and surface ash content is increased is retarded, the circulation of air inside deposits is blocked, and the risk of spontaneous combustion of the coal or coal gangue is reduced.

The invention discloses a civil air defense door based on a high barrier effect, and relates to the technical field of civil air defense doors. The civil air defense door comprises a door frame main body, the door frame main body is mainly composed of pre-buried layers, a lining frame and a sealing frame, wherein the lining frame is arranged on one side of the sealing frame and is integrally formed with the sealing frame, the pre-buried layers are arranged on the side surfaces of the lining frame, the pre-buried layers are connected with the installation position through concrete pouring, a filling sealing groove is formed in the middle position of the inner side of the sealing frame along the sealing frame, the edge position of the front side of the sealing frame protrudes forwards to form a sealing protrusion, sliding groove rods are arranged at the top and the bottom of one side of the sealing frame, and a sealing groove is formed in the edge of the outer side of the sealing protrusion. The impact force generated by explosion and damage of armor-piercing bullets can be effectively resisted, the sealing performance of the door body is higher, water seepage, toxic gas and toxic smoke flowing and the like can be effectively prevented, and the use convenience by people is greatly improved.

The invention discloses an underground building entrance flood control method and device and a vehicle flood control method. According to the method and the device, water in the flood and chemical substances are subjected to chemical reaction to generate gas; and a preset structure is driven by the air pressure generated by the release of the air to move to form a waterproof structure, or the preset structure is started by the release of the air to form the waterproof structure, the chemical substance is calcium carbide, the calcium carbide is calcium carbide, after the flood is in contact with the calcium carbide, violent reaction occurs, acetylene is released, acetylene generation starts or drives the preset structure to form the waterproof structure, manual control is not needed, and power obtained by the device is more sufficient than power obtained by purely utilizing buoyancy of water.

The invention discloses a light aggregate self-leveling material, a preparation method and a construction method. Coal gangue powder, gypsum and the like are used as raw materials; prefabricated particles are obtained through formation of polyaniline and decomposition of hydrogen peroxide; tetraethoxysilane, trimethyl borate and aluminum nitrate are taken as raw materials to prepare aerogel; perlite, floating beads, prefabricated particles and aerogel are used as raw materials to prepare light aggregate, and finally gypsum, cement, mineral powder, the light aggregate, a defoaming agent, methylcellulose, a thickening time control agent, a water reducer and a waterproof agent are fully mixed to obtain the light aggregate self-leveling material, which is light, environmentally friendly, goodin construction performance and easy to construct.

The invention discloses an antiperspirant mint cream. The cream is prepared from the following components according to certain weight proportion: 1-3% of menthol, 0.5-4% of mint oil, 0.5-3% of camphor, 10-20% of basic aluminum chloride, 4-12% of glycerol, 0.7-2% of triethanolamine, 0.2-2.5% of vitamin C, 2-5% of glycerol monostearate, 5-9% of octadecanol, 1-4% of beewax, 3-10% of liquid wax, 0.1-0.5% of ethyl p-hydroxybenzoate, 0.1-0.5% of butylparaben and the balance of deionized water. The invention has the beneficial effect that the antiperspirant mint cream can inhibit excessive discharge of sweat, clean the skin, inhibit the breeding of bacteria, and prevent or eliminate the generated odor; the added metal salt astringent namely basic aluminum chloride can coagulate the protein on the skin surface, make the sweat gland swelling and congest sweat from circulation, thereby inhibiting or reducing the excessive secretion of sweat.

The invention discloses a flat-plate type extraction centrifuge, including a flat plate base, an outer shell, a revolving drum, a motor, a transmission device and an inlet pipe, wherein the outer shell is fixed to the flat plate base, the upper end face of the outer shell is detachably provided with a top cover, the inlet pipe is arranged on top cover and extends into the revolving drum, the upperend of the revolving drum is open, ribbed plates are uniformly distributed on the inner wall of the revolving drum, the upper end of the revolving drum is provided with a weir plate flange, the center hole of the weir plate flange is a light phase discharge hole, the side wall of the revolving drum is provided with a heavy phase discharge hole, the revolving drum is rotatably mounted on the flatplate base, the inner wall of the outer shell is provided with a light phase collection trough, the light phase collection trough extends to the lower side of the weir plate flange, a light phase collecting cavity is formed between the inner wall of the outer shell, the inner wall of the light phase collection trough and the top cover, the light phase collecting cavity is connected with a light phase discharge tube, a heavy phase collection cavity is formed between the inner wall of the outer shell, the flat plate base, the revolving drum and the outer wall of the light phase collection trough, the flat plate base is provided with a heavy phase discharge tube, and the heavy phase collection cavity communicates with the heavy phase discharge tube. The centrifuge can be quickly disassembledand assembled, and the production efficiency is high.

The invention relates to an emergency protection circuit device and method for a charging pile based on the Internet of Things, belonging to the field of Internet of Things infrastructure. The emergency protection circuit device comprises a charging shell, wherein the front face of the charging shell is connected with a sealing door, the bottoms of the two sides of the charging shell are provided with heat dissipation holes, and the bottom of the inner wall of the charging shell is fixedly connected with an electric appliance mounting frame. According to the invention, a sensing control unit can control a sealing mechanism to seal heat dissipation holes under simultaneous sensing of tripping of an air switch and smoke, so air circulation in the charging shell is blocked, oxygen supply is blocked, and continuous expanded combustion of a circuit is blocked; when a fire disaster occurs, information is sent to a mobile phone end of a person through a WIFI module; and when the person approaches the charging pile in daily use, the Bluetooth module sends basic information to a mobile phone of the person, so interconnection between the charging pile and the mobile phone of the person is achieved through the operation, and the function of the Internet of Things is achieved.

The invention discloses a refrigerator. The refrigerator comprises a box body, a door body, an evaporator, a left sealing block and a right sealing block, wherein the evaporator comprises multiple evaporation pipes and multiple connection parts connecting the evaporation pipes end to end; the evaporation pipes are respectively mounted between a left mounting plate and a right mounting plate, and the connection parts are respectively located in a left-side reserved space and a right-side reserved space; the left sealing block and the right sealing block are respectively mounted in the left-side reserved space and the right-side reserved space; and assembly slots adaptive to the connection parts are respectively formed in the right side surface of the left sealing block and the left side surface of the right sealing block. According to the refrigerator disclosed by the embodiment of the invention, the left sealing block and the right sealing block are respectively mounted on the two sides of the evaporator and can prevent cold air from circulating on the two sides of the evaporator, and thus the cold air is subjected to sufficient heat exchange through the evaporation pipes of the evaporator. Therefore, the cold air utilization rate of the evaporator is improved, a defrosting effect is improved, and energy consumption is reduced.

The invention relates to a vertical smoke tube type biomass boiler. The vertical smoke tube type biomass boiler is overall of a vertical structure, and comprises a boiler body. A combustion chamber is arranged on the lower portion in the boiler body, and a strile-back chamber communicating with the combustion chamber through a threaded smoke tube is arranged on the upper portion in the boiler body. A baffle is arranged in the threaded smoke tube in the axial direction, and a plurality of small holes in circular truncated cone shapes are formed in the baffle. A gas outlet is formed in the lower portion of the boiler body, and the strile-back chamber communicates with the gas outlet through a return smoke tube. A liquid inlet and a liquid outlet are formed in the boiler body, a liquid cavity communicating with the liquid inlet and the liquid outlet is formed in the boiler body, and the liquid cavity is in contact with the threaded smoke tube, the return smoke tube and the outer wall. The baffle is arranged in the threaded smoke tube, the multiple small holes are formed in the baffle, and by means of the arranged baffle, harmful matter can be further stopped from entering the strile-back chamber. Upward flowing of smoke cannot be stopped through the small holes formed in the baffle. Meanwhile, according to the structure, the flowing time of the smoke in the threaded smoke tube can be further prolonged, and heat exchange efficiency is further improved.

The invention discloses an environment-friendly concentrated brine treatment device. The device comprises a box body; a partition plate which is horizontally arranged is welded on the inner wall of one side of the box body; main heaters which are distributed at equal distances are fixed on the inner wall of the bottom of the box body through bolts; the output end of each main heater is in contactwith the bottom of the partition plate; a feeding opening is formed in the outer wall of one side of the box body; a hinge is fixed on the top of the box body through bolts; and a top cover is hingedto one side of the hinge. According to the device, concentrated brine in the box body can be pumped to be drained to a wave plate from a drainage pipe for further drainage, so that evaporation of theconcentrated brine is promoted, the wave plate can be prevented from blocking gas circulation, and thus more gas is promoted to pass through a ventilation pipe. Steam is promoted to flow into an exhaust pipe, and the wave plate can be heated, so that the concentrated brine flowing through the wave plate can be heated. An inclined upward kinetic energy can be provided for the concentrated brine onthe upslope to promote upward movement of the concentrated brine, and evaporation efficiency of the device is improved.

The invention provides a preparation method of a low-smoke flame-retardant modified polyethylene foaming material for a cavity of an automobile. The method comprises the steps: firstly, preparing a foaming masterbatch by using a plastic mixer, that is, placing linear low density polyethylene resin and a nucleating agent into an internal mixer, adding levapren rubber and olefin elastomer resin to be internally mixed, then, internally mixing ethylene-propylene-diene rubber and butadiene rubber in the internal mixer, and finally, discharging to obtain the foaming masterbatch; and then, preparing a foaming material mixture by using an open mill, that is, mixing the foaming masterbatch, a foaming promoter, a crosslinking agent and a crosslinking promoter in the open mill, delivering the foaming material mixture into an extruder, and carrying out extrusion molding on the foaming material mixture to form a sheet, i.e., the low-smoke flame-retardant modified polyethylene foaming material for the cavity of the automobile. The foaming material has the height ratio of larger than or equal to 800% and the foaming ratio of over 3000% at the temperature of 140-180 DEG C, so that the expected excellent effects of low smoke, flame retardance and soft and hard-knot-free surface after foaming are achieved, and the environment friendliness and safety of the automobile are improved.

The invention discloses an injection mold device for automobile sealing parts and relates to the technical field of the automobile sealing parts. The injection mold device comprises an upper mold base and a lower mold base arranged corresponding to the upper mold base, mold grooves are formed in the upper mold base and the lower mold base correspondingly, an injection molding opening is formed in the upper portion of the upper mold base, a connection stabilizing mechanism is arranged on the outer side of the top of the injection molding opening, a movable swing groove is formed in the position, close to the lower portion, of the interior of the injection molding opening, guide limiting mechanisms are evenly and fixedly connected to the top end of the interior of the movable swing groove, and a separation shoveling mechanism is arranged in the position, below the movable swing groove, of the interior of the inner wall of the injection molding opening. According to the injection mold device for the automobile sealing parts, automatic discharge of air is achieved through injection pressure, and the influence of injection air on the injection molding quality is avoided.

The invention discloses an industrial robot traction teaching system, which relates to the field of robots and includes a multi-degree-of-freedom mechanical arm. The mechanical arm includes a base and a plurality of movable arms. The arms are sequentially connected to the base through movable joints. A U-shaped bag is arranged between two adjacent movable arms. The electromagnetic valve of the U-shaped capsule is divided into two parts; the side of the U-shaped capsule away from the base is provided with a through hole, and a thin film is provided at the through hole, and a strip tube is connected to the U-shaped capsule film, and the strip tube is far away from the U-shaped One end of the capsule is sleeved with a conical casing, and a reed is arranged in the conical casing. The invention solves the problem that the existing industrial robot is prone to danger when the power is suddenly cut off during the traction teaching process, and mainly provides an industrial robot traction teaching that sends a warning when the robot is suddenly powered off to ensure the safety of workers around the robot system.