270results about How to "No danger" patented technology

A curable composition comprising (A) an organopolysiloxane having functional groups capable of condensation reaction at both molecular terminals thereof and (B-1) a hydrophobic silica and a hydrophilic silica. A curable composition comprising (A) an organopolysiloxane having functional groups capable of condensation reaction at both molecular terminals thereof and (B-2) a hydrophobic silica, wherein the hydrophobic silica (B-2) is thermally treated together with the organopolysiloxane (A). The organopolysiloxane (A) is preferably represented by the formula: W3-a(R1a)Si(R2)O-(Si(R2)O)n-Si(R1a)W3-a [alpha] (wherein W represents a hydroxyl group or a hydrolyzable group; each of R1 and R independently represents an unsubstituted or substituted monovalent hydrocarbon group having 1 to 12 carbon atoms, provided that the hydrocarbon groups R1 as well as the hydrocarbon groups R may be identical with or different from each other; n is an integer of 5 or greater; and a is 0, 1 or 2). When, in the formula [alpha], W represents a hydroxyl group and a is 2, the curable composition preferably comprises, in addition to the components (A) and either (B-1) or (B-2), (C) an organosilane represented by the formula: R1bSiX4-b [I] (wherein R1 represents an unsubstituted or substituted monovalent hydrocarbon group having 1 to 8 carbon atoms; X represents a hydrolyzable group; and b is 0 or 1), or a partial hydrolyzate of the organosilane. Thus, a curable composition, especially a curable paint composition and an antifouling paint composition, and an antifouling coating film of the following characteristics can be provided. The curable composition, in particular when used as a coating material or a paint, is excellent in sprayability and enables forming a thick coating film by one-time application. The curable composition enables shortening the operating period for coating, and a coating film of uniform thickness can be obtained by the application thereof. The obtained coating film is excellent in film strength and film hardness and, when used for antifouling purposes, exerts excellent antifouling capability for a prolonged period of time. Further, the curable composition ensures excellent storage stability before application thereof.

The invention discloses a tunnel heading-along earthquake advanced detection device taking a heading machine as an earthquake focus and a method thereof. The device comprises an earthquake detector, an earthquake focus signal receiving sensor and an earthquake wave receiving detector array, wherein the earthquake focus signal receiving sensor is arranged on the arm of the heading machine; and the earthquake wave receiving detector array is arranged on a tunnel wall. The method comprises the following steps of: continuously acquiring earthquake wave signals through a three-component sensor which is coupled on the arm of the heading machine and a three-component sensor array which is arranged on tunnel surrounding rock by taking vibration generated by cutting rock with a cutting head during working of the heading machine as a hypocenter; and recording the acquired signals for processing, and forecasting the position and structural detail of a geological anomalous body in front of a tunnel by analyzing received wave field imaging geometrical characteristics. Due to the adoption of the device and the method, the problem of oneness of an earthquake wave field of a pure explosive source in near flat ground layer tunnel advanced detection can be solved without influencing the tunnel heading work; the device has high working efficiency and high detection accuracy, and is free from safety risks; and accurate positioning of a geometrical anomalous body can be realized.

The invention discloses a water epoxy floor coating which is a double-component emulsion coating comprising a component A and a component B, wherein the component A comprises water, a water epoxy curing agent, an addition agent, a filler and paint; and the component B comprises liquid epoxy resin, a reactive diluent and an environmentally-friendly type organic solvent; and the proportion of the component A to the component B is 10:3. The water epoxy floor coating has the advantages of the avoidance of the environmental pollution and the harm to the health of the human body, strong ventilation property, suitability for moist base planes and satisfaction of environmentally-friendly requirements and can be widely applied to the field of the industrial floor coating.

The invention belongs to the immunity application field, which relates to the related fields of animal molecular biochemistry and the immunology, etc. The invention discloses a reagent kit used for fast testing the antibody of Newcastle Disease, which comprises a case body, and the test paper card and sample diluent equipped inside the case body, wherein, the test paper card is formed by the absorption pad, nitrocellulose membrane, gold-label pad and sample pad affixed in turn on the non-absorbent supporting flake by taking the sample pad, absorption pad and the HN recombinant proteins coated with the Newcastle Disease as the detection line and the HN recombinant proteins coated with anti-mouse IgG as nitrocellulose membrane of the quality control line. The reagent kit used for testing the corresponding antibody has the obvious advantages of strong specificity, high sensitivity, easy operation and fast diagnosis.

The invention discloses a double side coated solvent-free polyurethane laminating adhesive, which comprises a component A and a component B, wherein the component B is prepared from one or a mixture of any two or above of polylol a of which the carbon chain length is C12 or below, polylol b with at least two degrees of functionality and above, vegetable oil modified polylol c, epoxy resin, acrylic resin and silicane resin, and a curing speed regulator d; besides being prepared from these ingredients, the component A is also prepared from a polyurethane prepolymer generated by the reaction of aromatic and / or aliphatic and / or alicyclic diisocyanate. The invention also discloses a preparation method, a coating process and application of the double side coated solvent-free polyurethane laminating adhesive. The problem that an existing solvent-free laminating adhesive needs to be previously mixed before being coated is solved.

The invention discloses a biological ink used for 3D biological printing and a preparation method thereof. The biological ink comprises the following components in percentage by mass: 8%-20% of a hydrophilic polymer with the crosslinking function, 10-20% of a water-soluble enzyme with the crosslinking function, 0.1%-1% of bacterial cellulose, and the balance a sterile PBS solution. The biologicalink can be used for 3D printing after mixed with cells, and the shear thinning properties of the used materials make the biological ink have the characteristics of self-supporting after extrusion. Theused materials have good cell compatibility, the enzyme crosslinking agent forms a hydrogel at physiological temperature (about 37 DEG C), the reaction conditions are mild, the cells are not damaged,a hydrogel support has relatively good stability in a culture medium, and thereby cell proliferation can be supported.

The invention discloses an upper and lower limb rehabilitation training device. The upper and lower limb rehabilitation training device is composed of four parts including a shell body, a resistance part, a pushing part and a pedal plate, wherein when the pedal plate is mounted on the pushing part, the pedal plate has a lower limb rehabilitation mode; when the pedal plate is taken off, the pedal plate has an upper limb rehabilitation mode; the resistance part is arranged in the shell body; the push part is mounted on the resistance part; and the resistance part meets damping heads with different section shapes in a non-Newtonian fluid flowing direction to generate different resistance, so that resistance adjustment is realized and rehabilitation trainings of upper and lower limbs are finished. According to the training device provided by the invention, the pedal plate is mounted and the training device can be converted into a lower limb training device from an upper limb training device; the upper and lower limb rehabilitation training device is small in size and convenient to move and has no dangers; the resistance generated by non-Newtonian fluid can be utilized without the need of utilizing electric energy and is suitable for various occasions to use; the pushing speed can be determined according to own rehabilitation conditions so that the practicability is increased.

The invention provides a surface processing method of a strip laser medium. According to the method, high surface figure accuracy and excellent surface smoothness can be obtained by the strip laser medium at the same time. The surface processing method of the strip laser medium comprises the following steps of: bonding and hanging the cut strip laser medium by a binder; respectively grinding and pre-polishing two large surfaces on a plane grinder; hanging the pre-polished strip laser medium in an elastic adsorption manner, and precisely polishing the strip laser medium after being hung in the elastic adsorption manner on the plane grinder by a synthesis polishing plate. By adopting the surface processing method of the strip laser medium provided by the invention, hanging in the elastic adsorption manner is adopted by precisely finishing; the operation is simple and convenient; a problem of surface deformation after a element is taken off is not caused; glass or crystal for tripping does not need to be adhered around the work-piece, and a risk of edge breakage or angle breakage of the element in a processing process is avoided.

The invention discloses a norovirus RNA fragment-containing pseudoviral particle and a preparation method thereof. The pseudoviral particle is a spherical RNA-protein complex which is prepared by coating a norovirus RNA with an MS2 bacteriophage coat protein. The pseudoviral particle is prepared by the following steps: designing and manually synthesizing a primer and obtaining a target gene MS2 by a by PCR (polymerase chain reaction) method; connecting the target gene MS2 to a plasmid pET-28b(+) to obtain a recombinant plasmid pET-28b / MS2; connecting the recombinant plasmid pET-28b / MS2 with a NV fragment to obtain a recombinant plasmid pET-28b / MS2 / NV; guiding the obtained recombinant plasmid pET-28b / MS2 / NV into escherichia coli for prokaryotic expression; and precipitating a virus-like particle by a polyethylene glycol method, wherein the obtained virus-like particle is the norovirus RNA fragment-containing pseudoviral particle. The pseudoviral particle can be used as a standard product and a quality control product for RT-PCR detection, is non-infectious, safe, reliable, and good in stability, and has an RNase-resistant characteristic.

The invention discloses an atmospheric drag passive aberrance device and a method applied to a medium-low orbital rocket tail stage and belongs to the field of prevention and management of space junk. The device comprises a control system, an inflation system, an ejection system and an inflation body, wherein the inflation body is folded in the ejection system, and is connected with the inflationsystem; the control system is connected with a power supply on a rocket, the ejection system and the inflation body; and the control system controls the ejection system, thus the inflation body is inflated by the ejection system. In the invention, the inflation body is rigidized through inflating the inflation body by using the inflation system, a large effective area is provided for the rocket tail stage, great atmospheric drag is generated, and the passive aberrance of the atmospheric drag at the rocket tail stage is realized, thus the service life of the rocket tail stage is shortened. According to the invention, the residual energy sources of the rocket tail stage can be fully utilized, thus the generation of space junk is reduced substantially, and the orbital service life of the rocket tail stage is shortened; and the inflation body in the invention is made of an Al-Mylar-Al laminating thin film material, thus the inflation body has light weight, and is easy to rigidize and fold.

Provided is a cleaning agent or cleaning method of a separation membrane which has cleaning effects equal or superior to those of conventional cleaning methods in cleaning a separation membrane used for filtration of drinking water, industrial water, river water, lake water, groundwater, reservoir water, secondary effluent, waste water, sewage water or the like; does not include a hypochlorite sothat it neither generates a toxic gas nor adversely affects the human health; and needs less cleaning time owing to elimination of a rinsing step with a large amount of water. The cleaning agent or cleaning method according to the present invention is therefore safe and economical. Disclosed by the present invention is a preferred cleaning agent containing hydrogen peroxide, a heavy metal compoundand a hydroxydicarboxylic acid, wherein the hydroxydicarboxylic acid is selected from the group consisting of malic acid, tartaric acid, tartronic acid, citramalic acid, dioxymaleic acid and dioxymalonic acid, while the heavy metal compound is an iron ion.

The invention discloses an elevator mechanism of an automatic stacking device. The elevator mechanism of the automatic stacking device comprises a hoisting cylinder and a connecting frame; a cylinder body of the hoisting cylinder is fixed on a horizontal walking frame; a piston rod of the hoisting cylinder is hinged with the connecting frame; a guide post which is arranged on the connecting frame slides in a guide sleeve on the horizontal walking frame; the elevator mechanism also comprises a hoisting control device and a position induction mechanism; the hoisting control device comprises a double-pump oil supply unit, a multi-stage pressure control unit and a control balance loop unit; the control balance loop unit is connected with an inlet-outlet opening of the hoisting cylinder through a pipeline; the position induction mechanism comprises an induction ruler and an inductor; the induction ruler is fixed on the horizontal walking frame; and the inductor is fixed on the connecting frame. The elevator mechanism of the automatic stacking device has a simple structure and low failure rate; a hoisting speed of the hoisting cylinder is adjusted gradually under the control of the hoisting control device; the elevator mechanism acts steadily; positioning is accurate when unburned bricks are stacked; the danger that the hoisting cylinder does not speed up suddenly or the speed is out of control is avoided; and the elevator mechanism of the automatic stacking device and the control method are safe and reliable, and guarantee the quality of brick stacking.

The invention relates to the field of food processing, in particular to a barley beta-glucan preparation method for extracting beta-glucan products from barley kernels endemic to Qinghai-Tibet Plateau. The preparation method comprises the following steps of: (1) riddling and crushing; (2) extracting; (3) centrifugally extracting; (4) acidifying; and (5) drying to obtain the beta-glucan products. The preparation method provided by the invention has the advantages that the adopted extracting technique is simple and is easy to operate, the required equipment is single, the used reagents are nontoxic, the waste materials generated in an extracting process can be used as stock food, the used ethanol can be recycled, water obtained after the ethanol is recovered can be reused, and no pollution is discharged in the whole extracting process, which is favorable for protecting the environment. The whole extracting process is free from danger, damage and pollution.

The invention belongs to the immunity application field, which relates to the related fields of animal molecular biochemistry and the immunology, etc. The invention discloses a reagent kit respectively used for antibody of infectious bronchitis of chicken, which comprises a case body, and the test paper card and sample diluent equipped inside the case body, wherein, the test paper card is formed by the absorption pad, nitrocellulose membrane, gold-label pad and sample pad affixed in turn on the non-absorbent supporting flake by taking the sample pad, absorption pad and the NP recombinant proteins coated with the nucleocapsid of the infectious bronchitis of chicken as the detection line and the NP recombinant proteins coated with anti-mouse IgG as nitrocellulose membrane of the quality control line. The reagent kit used for testing the corresponding antibody has the obvious advantages of strong specificity, high sensitivity, easy operation and fast diagnosis.

The invention relates to a method for preparing vanadyl sulfate by using a failure vanadium cell electrolyte. The method comprises the following steps of (A) taking the failure vanadium cell electrolyte as a raw material, testing total vanadium concentration and average valence state of the failure electrolyte by a method of potentiometric titration or cheicaml titration for estimating electrolysis time, and simultaneously testing sulfate radical concentration of the failure electrolyte by a method of chemical deposition; (B) adjusting the vanadium concentration of the failure concentration to be 1-4moL / L, preferably 1.5-3.5moL / L and the sulfate radical concentration to be 2-8moL / L, preferably 3-7moL / L by adding vanadium pentoxide or sulfuric acid and water; (C) carrying out electrolysis on the electrolyte to tetravalence by using an electrolysis groove according to the electrolysis time estimated in the step (A), monitoring the electrolyte, and carrying out electrolysis to trivalent or pentavalent vanadium to obtain a vanadyl sulfate solution; and (D) carrying out evaporation or solvent-out crystallization on the vanadyl sulfate solution to obtain the vanadyl sulfate.

The invention relates to a hollow fiber ultrafiltration membrane water purifier comprising a shell, a control mechanism, a coil, a cleaning slide block and a hollow fiber ultrafiltration membrane, wherein the cleaning slide block is fixedly connected with the hollow fiber ultrafiltration membrane into a whole; and a water producing port and a water inlet are arranged on the shell. Water to be filtered enters the water purifier from the water inlet, and after pollutants in the water are adsorbed by the hollow fiber ultrafiltration membrane, purified water flows out of the water producing port, therefore, the water purifier achieves the effect of water purification. Because an electromagnetic transmission mechanism is formed from the cleaning slide block and the coil, when the water purifier is cleaned, the coil is switched on to alternate voltage so that an alternating magnetic field is generated, the cleaning slide block drives the ultrafiltration membrane to do a reciprocating motion under the action of the alternating magnetic field so that the pollutants on the ultrafiltration membrane are removed, therefore, the purpose of cleaning is achieved. By adopting electromagnetic transmission, the cleaning method has simpler and more direct cleaning process, and because the filtration membrane is a bidirectional spiral hollow fiber ultrafiltration membrane, the hollow fiber ultrafiltration membrane water purifier has good filtration effect and high efficiency, and the method can be widely applied to cleaning the hollow fiber ultrafiltration membrane water purifier.

The invention relates the hot melt adhesion technology, comprising the following steps: a heat composite; b cutting; c stitching; d up-stripping and checking; e heat pressing; f checking. The technology can separately control temperature, press and time, has no solvent and environmental pollution; its binding power is ten times than that of pressure-sensitive adhesive; the technology can accurately control the quantity, position and shape of adhesive material; the technology has fast curing speed, short adhesion time; the product made with the technology has advantages of high strength and good property.

The invention discloses a preparation method for a bis-fluorosulfonyl imide compound. The preparation method comprises the following steps that (1) FSO2X, a nitrogen source, an acid-binding agent andan aprotic solvent are mixed so as to obtain a mixture; (2) heating is carried out to enable the mixture to be subjected to reflux reaction, and reaction is continuously carried out for 12-72 hours; (3) after the reflux reaction is ended, cooling is carried out, the pressure is released, the solvent is dried in a spun mode, water is added for washing, and filtering is carried out so as to obtain acrude product; and (4) the crude product is recrystallized so as to obtain a finished product of the bis-fluorosulfonyl imide compound. The preparation method for the bis-fluorosulfonyl imide compound has the advantages that raw materials are easy to obtain, the steps are simple, the risk is avoided, and pollution is avoided; the yield is high, separation and purification are easy; and the requirement for operating equipment is not rigorous, and the method is suitable for industrial production.

The invention discloses a hybrid rocket engine igniter which comprises an igniter thread ring, an igniter box body, an igniter heat insulation layer and ignition powder. The igniter thread ring is connected with the igniter box body through a large thread, and therefore a cavity structure with inner and outer annular side walls is formed. The containing cavity is filled with the ignition powder which is composed of ignition materials and fuel. The igniter thread ring, the igniter box body and the igniter heat insulation layer are adhesively connected. The inner wall face of the igniter box body and the inner wall face of the igniter heat insulation layer are provided with fire outlet holes. A sealing belt is laid on the inner annular side wall of the igniter box body. It is ensured that the ignition powder is reliably sealed before the igniter works. One end of an igniter lead is provided with an ignition head which produces electric sparks after being powered on, and the other end of the igniter lead is provided with an electric wire. The igniter starts to work after the igniter lead is powered on. The hybrid rocket engine igniter has the advantages that the start energy is high, the energy is released rapidly, the engine ignition delay is short, and the ignition delay time of the improved igniter is shorter than 1s when a large-flow hybrid rocket engine starts.

The present invention relates to a live pig hanging automatic processing system. The live pig hanging automatic processing system comprises a supporting bottom plate, a cutting plate, a guiding plateand a stablizing device, the cutting plate is arranged on a top part of a right end of the supporting bottom plate, the fixing device is arranged on a top part of the cutting plate, a left end of thecutting plate is connected with a right end of the guiding plate, and a left end of the guiding plate is arranged on a top part of a left end of the supporting bottom plate; and the stablizing devicecomprises a stabilizing bracket, a positioning telescopic body, a positioning spring, positioning push rods, a positioning connecting plate, positioning wheels, an external support mechanism, an extrusion mechanism and a separation guide block. The live pig hanging automatic processing system can solve problems that during live pig half cutting, many people are needed to assist cutting of the livepigs, the live pig half cutting has risks, the live pig half cutting is uneven, the live pig half cutting cuts thoracic cavity of the live pigs and causes waste, the live pig cutting is incomplete, and can achieve functions of positioning conveying and pressing cutting of the live pigs.

A heat pump type closed sludge drying system comprises: a drying room (1), an upper conveyor belt (2) which is arranged on the upper part of the drying room and used for conveying sludge, and a lowerconveyor belt (3) which is arranged on the lower part of the drying room and used for conveying sludge. The heat pump type closed sludge drying system also comprises a system housing (4) at one side of the drying room (1), where the top of the drying room and the top of the system housing are connected to form an air return channel (5). A main air supply port, connected with the system housing, isformed in the side wall where the lower part of the lower conveyor belt is connected with the system housing. The system also includes a first heating circulation system, a second heating circulationsystem and an air flue circulation system that are arranged inside the system housing. The sludge drying system and the control method of same are energy-saving, environment-friendly and high-effective.

A preliminary forming device capable of efficiently applying a pattern even on a deep-drawn or a complicatedly shaped formed product without applying any special working on an existing metal mold of a main forming device, a preliminary forming method using the preliminary forming device, and a main forming method; the preliminary forming device, comprising a film feeder (25) feeding a film with pattern (4) to a preliminary forming part (F) for performing a preliminary forming, a heater (30) movable closely to and away from the preliminary forming part and heating the film with pattern before the preliminary forming so as to be plasticized at the preliminary forming part (F), a preliminary forming mold (22) for preliminarily forming the film with pattern, and a film feeder (50) to feed a forming film for releasing the film from the mold after the preliminary forming of the film with pattern and inserting the film into a main forming mold, wherein, after the forming film is inserted into the main forming mold, resin is fed to provide a formed product with pattern, the preliminary forming being performed by vacuum forming or compressed air forming.

The present invention relates to novel crystalline forms of 11-cyclopropyl1-5, 11-dihydro-4-methyl-6H-dipyrido[3,2-b: 2′, 3′-e][1,4]diazepin-6-one, generically known as Nevirapine, and processes for making thereof. More specifically, the present invention provides novel crystalline Form-II and Form-III of Nevirapine.

The invention discloses a method for promoting germination of the seed of gomuti palm. The method comprises the following steps: step 1, uniformly mixing the seeds of gomuti palm with wet perlite according to a volume ratio of 1: 3, sealing the obtained mixture and subjecting the mixture to lamination at 10 to 15 DEG C for 90 d so as to obtain laminated gomuti palm seeds; and step 2, filling a brown paper bag with the laminated gomuti palm seeds, placing the brown paper bag in a drier equipped with drying silica gel and carrying out drying at room temperature for 3 h so as to obtain the dried gomuti palm seeds. The method has the advantages of simple operation, low cost, easiness in popularization, capacity of improving the germination rate of the seeds, etc.

The invention discloses an air-based oxygen-making electrolyte membrane. The electrolyte membrane comprises an electrolyte layer, and a cathode electrode used as an air side electrode layer and an anode electrode used as an oxygen side electrode layer positioned on two sides of the electrolyte layer; and the cathode electrode and the anode electrode have the same compositions. In addition, the invention further discloses an oxygen-making method of the electrolyte membrane and prepared oxygen products. The ionic conductivity of the electrolyte membrane is 100% in selectivity, the electrolyte membrane is dense, and pure oxygen can be obtained conveniently and efficiently; and in addition, the electrolyte membrane is simple in production of device assemblies, high in yield and low in energy consumption, so that breakthrough on the technical bottleneck of demands of most advanced industries on high-purity oxygen is made.

The invention relates to the field of medicines, and in particular relates to a method for preparing dapoxetine hydrochloride. The method comprises the following concrete steps: (1) by taking chiral L-phenylalanine hydrochloride as a starting material, and reducing by adopting a reducing system to obtain an intermediate II; (2) performing Eschweiler-Clark reaction on the intermediate II and paraformaldehyde or formaldehyde to obtain an intermediate III; and (3) performing Williamson aethrization reaction on the intermediate III and 1-naphthaline to obtain the dapoxetine hydrochloride. According to the invention, chiral L-phenylalanine hydrochloride is used as the raw material, so resolution of a product is avoided, the raw material is easily obtained and relatively low in price, conventional equipment can meet production requirements, expensive and virulent reagents are not used, reaction conditions are mild, pollution is little, control is easy and industrialized production is facilitated.

The invention relates to a method for preparing glycerin zinc. The method comprises the steps of placing zinc acetate glycerite into a microwave oven, carrying out reflux reaction by microwave heating under stirring till the solution becomes faint yellow and then stopping microwave heating to obtain the glycerin zinc. In the invention, the reaction occurs under normal pressure without any catalyst, the reaction condition of high-temperature heating is avoided, the reaction time is shortened to be within 10 minutes, any impurity can not be introduced, and any treatment is not needed for the reactant and product. The invention has simple and easy process, is safe and reliable and has no danger or environmental pollution. The glycerin zinc nanometer particles can be obtained by controlling the concentration of the zinc acetate glycerite, the microwave heating power and the reaction time.

A system designed to catch almost any kind of pest including rodents and insects. The system can be adapted for use in almost any environment (homes, businesses, factories, farms, outdoors, etc.) The system employs no poisonous sprays or powders which might be environmentally harmful and poses no danger to domestic pets or farm animals. A preferred embodiment of the present invention includes a conduit arrangement having multiple inlets opening to the ambient environment. A timer controlled vacuum motor or fan periodically induces air flow through the conduit system which will draw pests into the system. The conduit has an outlet connected to a small gas-fired furnace. The pests are injected into the furnace to be cremated. The furnace is equipped with an ash clean-out door for removal of the cremated residue, which residue may safely be disposed of.

The invention discloses a high-rise building fire rescuing device. The high-rise building fire rescuing device is simple in structure, when the high-rise building fire rescuing device is used, a fixing frame coordinates with extensible and retractable rods to be fixed to a window or a door frame of an inner wall of a building, and it is guaranteed that the transverse lengths of the fixing frame and the extensible and retractable rods are larger than the width of the window or the door frame. Fixing lugs are located on the middle portion of the side face of the fixing frame, a winch is installed between the two fixing lugs on the side face of the fixing frame, and the fixing lugs are used for abutting against the lower edge of the window and cannot move up or down in a working state. According to the high-rise building fire rescuing device, the winch is used as power, a stable lock switch is used for controlling the winch to lift or release a stable lock and a rope, and the situation that friction between the rope and the building wall affects stability is avoided. A human protection device is connected with the stable lock, a waist fixing band and leg fixing bands are used in cooperation, safety and reliability are achieved, and the human body is protected against danger in the downward sliding process. The high-rise building fire rescuing device is relatively small and safe and reliable when put at home at ordinary times and can also be put in a fire protection cabinet of a floor.