147results about How to "There will be no breakage" patented technology

The invention provides a high treatment capacity feed atomizing nozzle, and belongs to the field of petrochemical equipment. A combined cyclone, a multi-point gas injection structure and a spray-head with a porous impinging structure are adopted; and a hard alloy surfacing structure is adopted at orifices. The nozzle is suitable for feed atomizing nozzles of heavy oil FCC devices with the yield of 3,500,000-6,000,000 tons / year, the treatment capacity of a single nozzle is 60-100t / h, and a defect that the dimension of the nozzle is changed due to high treatment capacity so as to cause low atomizing effect is improved; meanwhile, the nozzle has the atomized particle size in a range of 60+ / -10 mu m, the liquid layer on the injected sector surface is distributed uniformly, the yield of light oil is high, the productivity of dry gas is low, and the coking in the tubes is improved; besides, the steam consumption is low, and the gas / liquid ratio is between 3 and 6 percent (raw materials). In addition, the injecting speed of the nozzle is medium, a phenomenon that a catalyst is broken cannot occur in the production, and the nozzle has high wear resistance and the service life of more than 5 years.

The invention discloses an umbrella-shaped detent hanger. An umbrella framework structure is used for reference, elastic rope yarns or springs are mounted to make surface frames have the unfolding trend, and a hanging fixed pulley is further arranged at the lower end of the structure. When the umbrella-shaped detent hanger is matched with a charging long bag for charging an upward or horizontal or downward gently inclined deep blind hole with the enlarged hole bottom, the umbrella-shaped detent hanger is clamped at the hole bottom, the charging long bag is dragged into the blast hole through a rope winds around the fixed pulley, breakage and deformation of a blasting charge can be avoided, accurate spacing charging and non-coupling charging are achieved, and the problems of charging and blockage of upward or horizontal or downward gently inclined deep blind holes are solved. The umbrella-shaped detent hanger is simple in structure and wide in available material source, and mass industrial production and usage are easy. The construction method provided by the invention is wide in application range and can be widely used for projects of demolition blasting, soil and rock blasting, controlled blasting and mine blasting, and the technical scheme with the high cost performance is provided for deep hole charging.

The invention provides a textile yarn guiding and tensioning device. The textile yarn guiding and tensioning device comprises a limiting frame, a guide-in device, a tensioning device and output devices. The guide-in device is arranged on the outer wall of the rear end of the limiting frame. The tensioning device is mounted on the middle portion of the limiting frame. The output devices are uniformly arranged on the outer wall of the front end of the limiting frame. Through the textile yarn guiding and tensioning device, the problems that in the existing yarn tensioning process, the tensile force of different thicknesses of yarns is inconvenient to adjust, the yarns are snapped frequently, the production efficiency is affected, the tensioned yarns are inconvenient to wind in the tensioningprocess, the yarns bear too much friction force and are likely to get snapped, and the yarns get loose and the tensioning effect is affected once yarn winding equipment stops operating can be solved.

The invention discloses a processing device for a hollow vitrified microbead insulation board, which comprises a base, a mixing bucket, a sealing cover, a feeding hopper and a liquid distribution pipe. The mixing bucket is installed on the base, and a top opening of the mixing bucket is installed The sealing cover hinged with it is provided with a feeding hopper for inputting hollow vitrified microbeads into the mixing tank and a liquid distribution pipe for inputting adhesive into the mixing tank. The fixed bracket of the hard gas distribution pipe has the beneficial effect of the present invention: a large number of air bubbles are generated through the pores, so that the hollow vitrified microbeads and the adhesive can be fully mixed. Stirring causes the hollow vitrified microspheres to be damaged, which improves the quality of the insulation board, and through the setting of the screw conveyor, the excess air bubbles in the mixture can be squeezed out during the screw conveying process, increasing the air bubble content in the insulation board , To ensure product quality.

The invention discloses a perforating bookbinding machine which comprises a perforating mechanism. The perforating mechanism comprises a base, a stand installed on the base and an operation handle articulated with the stand. The operation handle is connected with a guide column which can slidingly move up and down through a middle mechanism, a drilling cutter assembly which is connected with a drive motor is arranged in the guide column in a penetrating way, an axial scrap removal channel is arranged in the drilling cutter assembly, the lower end of the guide column is connected with a paper pressing mechanism, a guide mechanism for guiding paper scraps from axial direction to radial direction is arranged on the drilling cutter assembly at the upper end of the scrap removal channel, and the guide column is provided with an opening which corresponds to the outlet of the guide mechanism. The invention provides the perforating bookbinding machine which has smooth paper scrap discharge, is not easy to block to cause cutter breaking, and is convenient to use.

The invention discloses a foam plate perforating machine which is characterized by comprising a framework and a hole forming assembly. A hole forming space is arranged inside the framework, and the bottom of the hole forming space is used for placing to-be-perforated foam plates a stacked manner; the hole forming assembly is arranged on the framework and comprises a transmission shaft, a connecting plate and a plurality of heating rods, the connecting plate is fixed to the bottom of the transmission shaft, the heating rods are fixed to the bottom of the connecting plate, the transmission shaft is vertically movably arranged on the top of the framework, and the heating rods are electrically connected with a heating device; a lifting device is further arranged on the top of the framework, and the transmission shaft can vertically move under the control of the lifting device. The foam plate perforating machine has the advantages that holes can be efficiently and quickly formed in the foam plates, accordingly, requirements of large-scale batch production can be met, and the forming quality of the holes can be guaranteed.

The invention relates to an intelligent dining table convenient to clean. The intelligent dining table comprises a base, an adjusting dining table body and a cleaning device, the adjusting dining table body is mounted in the middle of the base, and the cleaning device is mounted at the front end of the base. According to the intelligent dining table convenient to clean, the problems that when a glass rotating disc on an existing circular dining table is cleaned, the middle of the rotating disc is difficult to clean during in-situ cleaning, the time and labor are consumed when the rotating disc is lifted away for cleaning, the glass rotating disc is a fragile product, and the glass rotating disc is inevitably smashed to pieces due to frequent carrying can be solved; and the intelligent dining table has the advantages that the surface of the upper end of the dish-placing rotating disc is cleaned omni-directionally, an uncleaned place does not exist, cleanliness is improved through multi-step cleaning, in-situ cleaning is realized, the situation of smashing to pieces is avoided, a middle-embedded-type table top can be dismantled by a single person, and the labor intensity of cleaning personnel is lowered.

Te invention provides a tensile testing machine fixture for wires. The tensile testing machine fixture comprises a first block and a second block, wherein the first block and the second block are fixedly connected through a nut. A plurality of parallel semicircular first grooves are formed in the first side of the first block. A plurality of parallel semicircular second grooves are formed in the second side of the second block. A cylindrical through hole is formed by each first groove and the corresponding second groove. In this way, multiple through holes are formed between the first block and the second block, the diameters of the through holes are different, and the through holes are used for carrying out tests on wires with different diameters. According to the tensile testing machine fixture, the through holes with different diameters are formed for the wires with different diameters, the wires are wound around a winding fixing part after penetrating the through holes and are fixed in a knotting mode or fixed in a bonding mode after passing through adhesive grooves, the wires are solidly fixed to the fixture and do not slip, the clamped ends of the wires are located in the through holes and are free of fractures, and therefore the accuracy of test results is improved.

The invention provides a patrol path map management system. When the patrol path map management system is adopted to perform patrol operation, a file calling instruction is sent to a processor through an instruction acquisition unit; the processor calls a TPK file matched with identifier information from a database in a memory; the TPK file is sent to a patrol mobile terminal through a data transmission interface; the patrol mobile terminal obtains and stores the TPK file through a map manager and then analyzes the TPK file to obtain a patrol map corresponding to the TPK file; and the patrol map is displayed through a display. According to the system, the patrol map is displayed in the form of an electronic map on the patrol mobile terminal, so that the problem of damage of a paper map does not exist; the system is convenient to carry; and the TPK file is easier to call, so that the working efficiency of the patrol operation is improved.

The invention discloses a knot detection device which comprises a base frame, a fixed plate, a movable plate and a monitoring device, wherein the base frame comprises a base plate, a tow leading-in hole and a tow leading-out hole, and the tow leading-in hole and the tow leading-out hole are formed at an interval; the fixed plate is fixedly arranged on the base plate and located between the tow leading-in hole and the tow leading-out hole; the movable plate can be rotationally arranged on the base plate and is located between the tow leading-in hole and the tow leading-out hole; an elastic reset device which can enable the movable plate to recover to a set position is arranged on the movable plate; a tow passes between the movable plate and the fixed plate; when a knot on the tow passes between the movable plate and the fixed plate, the movable plate rotates; the monitoring device monitors the rotation degree of the movable plate, when the rotation degree of the movable plate reaches a limit parameter of the monitoring device, the monitoring device is triggered, the allowed size of the knot is controlled, damage to an original tow is little, a single fiber glass filament cannot be pulled off, and the lengths of original combined tows are consistent. The invention further discloses a knot detection method.

The invention relates to the field of refrigerators, in particular to a refrigerator and a handle for carrying the same. The handle comprises a base plate. The base plate is provided with a first mounting fixing unit, a second mounting fixing unit and a hand holding groove. The first mounting fixing unit is fixedly connected with a lower bottom plate of the refrigerator, and the second mounting fixing unit is fixedly connected with a lower front beam of the refrigerator. The hand holding groove is positioned on the outer side of the second mounting fixing unit. People can carry the refrigerator through the hand hold groove, so that falling of the refrigerator during carrying can be prevented, personal injury caused by a crashed refrigerator or damage to the refrigerator due to falling can be avoided, and safety hazards existing during carrying can be effectively avoided.

The invention relates to precast pile end plate apron ring processing equipment, which comprises a working table (5), a fixed female die (2), a movable male die (3), a guiding structure (4) and a drive mechanism (6), wherein the fixed female die (2) and the guiding structure (4) are respectively arranged on the working table (5); the movable male die (3) is connected with the drive mechanism (6); the fixed female die (2) is provided with a female die working molded surface as same as an apron angle, an apron angle arc-shaped transition side radian and an apron outer surface shape; and the movable male die (3) is provided with a male die working molded surface as same as an apron angle, an apron angle arc-shaped transition side radian and an apron inner surface shape. According to the processing equipment, when an apron angle of an apron ring is formed, the phenomenon of breakage is not easy to occur, the noise is less, the limitation of strip length and apron angle number is avoided, the processing cost can be effectively reduced, the size is accurate, and the advantages of high automation degree and efficiency are achieved.

The invention discloses a connecting shank, and particularly discloses a bimetal hole saw connecting shank. The invention provides the bimetal hole saw connecting shank for preventing a hole saw from swaying after the hole saw is installed. The bimetal hole saw connecting shank comprises a connecting shank body and a transmission pin, wherein the connecting shank body comprises a motive power connecting end, a drilling saw connecting end provided with hole saw connecting threads and a spotter installing hole, and an installing part which is provided with an installing through hole. The installing part is arranged between the motive power connecting end and the drilling saw connecting end, and the transmission pin is arranged in the installing through hole and can move along the axial direction of the installing through hole. The bimetal hole saw connecting shank further comprises a hole saw firming device, wherein the hole saw stable device is arranged on the connecting shank body through a thread structure and can moves along the axis of the connecting shank body through the thread structure, and the hole saw stable device firms the hole saw through the movement along the axis of the connecting shank body. After the hole saw is connected with the drilling saw connecting end and the transmission pin is pushed into a pin hole, the hole saw firming device is continued to be twisted to be attached tightly to the top surface of the hole saw, so that the hole saw cannot sway in use.

The invention relates to a SiO2 aerogel / inorganic cotton compound thermal insulation felt and a preparation method of the SiO2 aerogel / inorganic cotton compound thermal insulation felt. The method comprises the following steps of: compounding silica sol and inorganic cotton; ageing the silica sol and the inorganic cotton; carrying out modification and solvent replacement processing; and drying at normal pressure to obtain the SiO2 aerogel / inorganic cotton compound thermal insulation felt. The preparation method of the SiO2 aerogel / inorganic cotton compound thermal insulation felt, which is disclosed by the invention, is characterized in that cheap and easily-obtained industrial raw materials, such as industrial sodium silicate, industrial silica sol, glass wool, rock wool and mineral wool are adopted, the production cost can be lowered, and the ordinary pressure drying technology is convenient and easy to realize, is simple to operate and is suitable for large-scale industrial production. Meanwhile, the product is nontoxic and harmless and does not pollute the environment.

The invention relates to the technical field of automobile fittings, and in particular relates to a metal high current connector. The metal high current connector comprises a socket assembly, a plug assembly and a locking device. A PIN pin is inserted in the through hole of the socket body of the socket assembly. A high voltage interlocking female terminal is snapped into an embedded groove in the socket body. A crown spring contact assembly is inserted into the through hole of the plug body of the plug assembly. A high voltage interlocking male terminal is snapped into an embedded groove in the plug assembly. A threaded post on the tail end of the crown spring contact assembly passes through a through hole in a wire nose, and then is in screwed connection with a locknut. The metal high current connector uses an all-metal casing, and matches a variety of shielding rings at a variety of parts to further improve the shielding effect. The mechanical resistance of the metal casing is strong, and the metal casing is not damaged during use. The one-piece casing and waterproof ring are used to improve the water resistance. The connector has the advantages of small size and large overload capacity, and is in line with the German Volkswagen LV215 standards and the United States USCAR37 standards.

The invention discloses a bag type dust collector. The bag type dust collector comprises a workbench, a swing head device, a hot pressing device and a bearing device, wherein the swing head device comprises a base, a rotating shaft, a support part and a limit device; the hot pressing device comprises an air cylinder, an electric hot plate and a buffer part; the bearing device comprises two bearing heads arranged symmetrically and an air suction device connected with the bearing heads; the air suction device comprises a fan and an air control device which are connected; and the swing head device, the hot pressing device and the bearing device are linked by solenoid valves. The bag type dust collector has a relatively high automation degree and adopts processing modes of double stations and air suction location, and the production efficiency and the product quality are greatly improved.

The invention relates to a laser holography anti-fake film nickel plate slicing method which comprises a step of manufacturing two special laser holography image nickel plates by using an electric casting method, wherein the thickness of each special laser holography image nickel plate is 30 microns, and the size of a nickel plate image is 10cm and 10cm in wide and length. The method scientifically explains the negative and positive relationship of a slicing unit, the nickel plates are accurately spliced in modes that splicing distance is preserved and photoresist is smeared, the nickel plates are not wasted and can be repeatedly used in the whole splicing process, the electric-plated nickel plates are smooth, and the plate seam is solid and durable, and is smaller than 0.1mm; the phenomenon that the slicing seams are fractured is avoided in the mold pressing process, and the binding strength of sub-plates is improved, and simple and precise alignment is achieved.

The invention relates to a light-emitting diode aftertreatment process. The light-emitting diode aftertreatment process mainly comprises the following multiple procedures of inspection operation, straightening treatment, detection treatment, collection packaging and the like. Adopted straightening equipment comprises a bottom plate, a taking device, a rotating device, a straightening device and aclamping device. The following problems existing during straightening of an existing light-emitting diode pin that a, when the traditional light-emitting diode pin is straightened, the middle end of alight-emitting diode needs to be manually held, the pin of the light-emitting diode is clamped by fingers to be straightened, consequently the work efficiency is low, mass production cannot be met, and when straightening is conducted manually through the fingers, the fingers are prone to being stabbed by the pin of the light-emitting diode; and b, when being straightened manually, the pin of thelight-emitting diode is often pulled cut due to excessive force, and consequently raw materials are wasted can be solved; and the straightening efficiency is high, the straightening effect is good, and the phenomenon that the pin is pulled cut is avoided.

The invention discloses a pneumatic precision seeder which comprises a main machine frame, a front fork combination, a rear wheel combination, a seed discharging device, a power device, a pneumatic device and a furrowing device. The pneumatic precision seeder is compact in structure, multifunctional and high in seeding efficiency, and can work stably, fine seeds can be effectively sown, the phenomena of repeated seeding, seeding omission and seed damage can be prevented, and the production cost and the labor cost are greatly reduced.

The invention relates to a method and a system for predicting the ultra-short-term irradiance of a photovoltaic power station. The method comprises the steps of obtaining a predicted irradiance according to a trained support vector regression model; calculating similarity values and sorting historical numerical weather forecast data according to similarity values; calculating the variances of historical numerical weather forecast irradiances and an actual irradiance, and conducting the weighted accumulation of the variances; calculating the weight of the predicted irradiance of the numerical weather forecast and the weight of the predicted irradiance of the support vector regression model; calculating to obtain the ultra-short-term prediction irradiance of the photovoltaic power station at a predicted moment tp. The invention further relates to a prediction system. The prediction system comprises a training support vector regression model module, a similarity calculation module, a variance calculation module, a weight calculation module and an ultra-short-term irradiance prediction module. By means of the prediction method and the prediction system, the prediction precision can be obviously improved. Meanwhile, the calculation efficiency and the performance meet the requirements of prediction, and the real-time scheduling requirement of the photovoltaic power generation is completely met.

The invention provides a twice-die-cutting device. The twice-die-cutting device comprises a framework, a feeding plate is arranged on one side of the framework, a discharging plate is arranged on the other side of the framework, a working plate is arranged between the feeding plate and the discharging plate, lifting rotating wheels are arranged at the bottom end of the working plate, the lifting rotating wheels are in driving connection with a main motor arranged on one side of the framework, a first lower die plate and a second lower die plate are arranged on the working plate at an interval, a first cutter and a second cutter are respectively arranged on the first lower die plate and the second lower die plate, a first upper die plate and a second upper die plate are respectively arranged on right above the first lower die plate and the second lower die plate via an upper die fixing plate, and a recovering device used for recovering finished products is arranged on the other side of the framework. By the aid of the first lower die plate and the second lower die plate, twice die cutting of products can be realized, die cutting speed can be increased, and meanwhile, cost can be reduced.

The invention discloses an improved split faucet which adopts a simple production technology and is low in material cost, long in service life and good in mounting and positioning effect. The improved split faucet comprises a metal faucet body and an internal plastic valve core tube arranged in the metal faucet body, wherein a valve core mounting tube is arranged on one side of the middle of the metal faucet body; the internal plastic valve core tube is provided with water inlet tubes and a water outlet tube in an axial direction and is inserted into the metal faucet body; a water outlet valve seat of the internal plastic valve core tube corresponds to the valve core mounting tube of the metal faucet body; a gap between the internal plastic valve core tube and the metal faucet body is filled with an anti-freezing protection layer; copper bushes are arranged in inner cavities in the bottoms of the water inlet pipes, and copper hole threads are formed on inner walls of the copper bushes; an axial positioning device capable of preventing the internal plastic valve core tube from axial displacement and a radial positioning device capable of limiting radial rotation of the internal plastic valve core tube are further arranged between the internal plastic valve core tube and the metal faucet body.

The invention discloses a packaging product transport device with good cushioning effect. The device comprises a housing; a lower surface of the inner wall of the housing is fixedly connected to the lower surface of the air cushion and the left end of the air cushion is connected to one end of an air inlet pipe; the other end of the air inlet pipe passes through the left side surface of the innerwall of the housing and extends to the left side of the housing to connect with an inflation port of an air pump; a right side of the air pump is fixedly connected to the left side of the housing, andthe left side of the air inlet tube is provided with a check valve; the right end of the air cushion is connected with the left end of an exhaust pipe. According to the packaging product transport device with good cushioning effect, by providing the housing, the air cushion, the air inlet pipe, the check valve, the chute, the slider, the first spring, the support plate, the telescopic device, thepush plate, the shell door, the hinge, the handle and the roller, when the device needs to be used for transporting articles, the air cushion can continuously play a good buffering function, therebyreducing the damage of the product during transportation, thereby reducing the economic loss of the manufacturer.

The invention discloses a measuring method for bonding force between a polymeric substrate and a metal coating .The measuring method comprises the steps that on the basis of the prior art, a mask plate with a central through hole is adopted and horizontally placed on the polymeric substrate, and the upper surface of the mask plate is uniformly smeared with a layer of strong bonding glue; the metal coating is deposited on the strong bonding glue, and then when a tensile force testing device exerts tensile force, only interface separation between the portion, under the through hole, of the metal coating and a polymer can be generated at an interface due to the fact that the thickness of the mask plate is larger than that of the metal coating .According to the method, the technical problem that in the prior art, the detected bonding force value between the metal coating and the polymer is actually the resultant force of the true bonding force value between the metal coating and the polymer and the consumption value that the edge of the metal coating is fractured to generate cohesive force is skillfully solved .The measuring result is true and accurate and has the universality.

The invention relates to a cutting and edging all-in-one machine for a building curtain wall marble plate material. The cutting and edging all-in-one machine comprises a workbench surface, a supporting frame, a placement plate, a protection cover, a cutting component, a water tank, a water feeding pipe, a motor and a driving component, wherein the upper end of the workbench surface is provided with the supporting frame; the water tank is placed on the top of the supporting frame; one end of the bottom of the water tank is connected with the water feeding pipe; the center position of the bottomof the supporting frame is provided with the protection cover; the internal center position of the protection cover is provided with the driving component; the outer side of the driving component isprovided with the cutting component; one side of the top of the supporting frame is welded with an L-shaped supporting plate; the upper end of the L-shaped supporting plate is provided with a motor; and the output shaft of the motor is connected with one end of the driving component through a coupling. By use of the cutting and edging all-in-one machine, an internal water discharging way is adopted for carrying out a cutting operation, in addition, dot-matrix arrangement is adopted, so that water resources are effectively saved, a good cooing effect is performed, and meanwhile, through a multistage cutting way, a situation that marble is broken when the marble is cut can be solved.

The invention belongs to the technical field of printing equipment, and particularly relates to a gravure printing machine. The gravure printing machine comprises a shell, a power device, a controller, a feeding roller, a discharging roller, a guiding roller set, an ink tank, an ink roller, a plate cylinder, an impression cylinder and a squeegee mechanism. The power device is mounted at the rear side of the shell for the operation of the printing machine; the controller is used for controlling the operation of the printing machine; the feeding roller, the discharging roller, the guiding rollerset, the ink tank, the ink roller, the plate cylinder, and the impression cylinder are rotationally arranged on the shell; and the squeegee mechanism is arranged on the shell. According to the gravure printing machine, a printed material sequentially winds across the feeding roller, the guiding roller set, the impression cylinder and the discharging roller, through cooperation of a plurality of sets of screws, a second servo motor and a U-shaped clamp plate, the squeegee can be replaced without stopping the machine, the printing machine can work efficiently for a long time, and the squeegee will not damage or break after the printing machine work for a long time.

The invention discloses a novel hydraulic oil cylinder, which comprises a cylinder body, a front end cover, a rear end cover, a piston and a piston rod, wherein the front end of the piston rod is step-shaped; the end surface of the front end of the piston rod is provided with a threaded hole; the piston is sleeved on the front end of the piston rod, and is fixed with the threaded hole by virtue of a matched bolt; the rear end cover is fixedly provided with an exhaust valve; the exhaust valve is provided with a channel communicated with the cylinder body; the exhaust valve comprises a valve, a spring, a valve casing and a valve body; the valve body is provided with an inner hole; the valve casing is embedded into one end of the inner hole of the valve body; one end of a valve rod is provided with a spring seat, and is connected with the valve by virtue of the spring seat; the spring is sheathed on the valve rod and the spring seat and is arranged in the valve casing; the other end of the valve rod penetrates through the valve casing and is provided with a limiting block. In the gas release process of the hydraulic oil cylinder, only one person is needed for the whole gas release process, labor force is reduced, simple, convenient, reliable and fast effects are realized, and gas release is clean and thorough.

The invention discloses a production line of an ultrathin flat coir mat and a manufacturing method of the flat coir mat. The production line comprises an unpacking device, a material fixing device, a first opening device, a lapping device, a second opening device, a needling device, a rubber spraying and drying device and a cutting device, wherein the unpacking device, the material fixing device, the first opening device, the lapping device, the second opening device, the needling device, the rubber spraying and drying device and the cutting device are sequentially arranged. According to the production line of the ultrathin flat coir mat, the second opening device is additionally arranged on a lapping conveying path to open and scatter a coir web, so that the coir web becomes particularly fluffy, glue can uniformly enter the middle layer of the coir web in a glue spraying process, the usage amount of coir can be reduced, the manufactured coir web is thinner than an existing coir web, the produced flat coir mat is thinner, the phenomenon of breakage is avoided, the product quality is improved, and more purposes can be achieved.

The invention discloses a welding method for use in high-quality steel continuous rolling, which comprises: 1) annealing the high-quality steel strips to be welded before welding; 2) placing the tail end of the high-quality steel strips delivered to a spiral loop device and the front end of a high-quality steel strips just placed on a conveying frame on a welding platform; 3) pressing the end part of the high-quality steel strips by using a pressure plate on the welding platform in order to ensure that the steel strips does not move; 4) heating the end parts of two high-quality steel strips uniformly by using injection-type torches for cutting, simultaneously heating the end faces of the high-quality steel strips forth and back, and ensuring uniform heating; 5) welding the heated high-quality steel strips by argon arc welding; 6) heating the welded part uniformly by using the injection-type torches for cutting; and 7) naturally cooling the high-quality steel strips, and releasing the pressure plate after the hot red color of the part to be welded fades for 2 to 5 minutes. By the method, a phenomenon that the high-quality steel strips break in a continuous rolling process is avoided.