39results about How to "Achieve unexpected results" patented technology

The invention provides a digestive tract early cancer auxiliary diagnosis system based on depth learning and an examination device. The system comprises a feature extraction network, an image classification model, an endoscope classifier and an early cancer recognition model, wherein the feature extraction network is used for performing initial feature extraction on endoscope images according to aneural network model; the image classification model is used for extracting initial features and acquiring image classification features; the endoscope classifier is used for extracting initial features to obtain endoscope classification features and classifying gastroscope and coloscope images; the early cancer recognition model is used for splicing initial features, endoscope classification features and image classification features to obtain the probability of early cancer focuses of white light images, electronic straining images or chemical straining images corresponding parts or obtainwashing prompt or position recognition prompt of corresponding parts. The AI auxiliary diagnosis quality and digestive endoscopy diagnosis efficiency are improved.

An integrated AC motor used in a mixed motive car includes a stator, an inner rotor, an outer rotor, a solid shaft, a bearing, an end cover and a shell, among which, the left end of the solid shaft is installed with the inner bearing, a hollow shaft, an outer bearing and a left end cover, the right is set with the bearing and a right end cover, an inner rotor, a stator, an outer rotor, an outer rotor jacket and a shell are orderly installed in the middle part of the solid shaft vertically, the inner rotor is fixed on the solid shaft, a connecting rod linked with the right end cover is set at one side of the stator, the outer rotor jacket is connected with a rotating piece fixed on the hollow shaft by screws and the structure of double end shaft extension and single end shaft extension can be applied, in which, the inner wall and the outer wall are opened with slots for inserting winding coils, two sets of independent three-phase symmetric windings are inserted in the slots, the rotors can be a rotor cage or a permanent magnetic rotor structure and the pole number of the windings inserted on the walls can be equal or not.

A main branch shape of short-planted fruit tree, comprising a strong main branch, 50-60 horizontal fruit branches with different length from 3 cm to 60 cm are directly inserted in the main branch with the distance of its branch height to surface being 40-60 cm, the roughness degree ratio between main branch and fruit branch is 5-20:1, the diameter of crown is smaller than 1.3 meter, and tree height is between 2 and 3 meter. The process comprises planting middle branch, carving bud, keeping fruit and flower blooming, controlling branch growth to form crown shape, the plant line distance of apple tree can be smaller than 1*3 meter to reach the close planting degree per mou of 100-550 strains; the plant line distance of peach tree can be smaller than 1*2 meter to reach the close planting degree per mou of 100-550 strains; in orchard, natural weed growth and artificial weed growing can be implemented. The fruit branch grows surround main branch, the irradiation of fruit is longer and, fruit size is uniform and quality is good. The method makes full use of natural condition and reaches purpose of stable and high production.

The present invention relates to medicine, and is especially one kind of medicine for treating ischemic cardiac and cerebral vascular diseases. The present invention features that the medicine is prepared with privet fruit in 3-60 weight portions, figwort fruit in 3-60 weight portions, Chuanxiong rhizome in 3-60 weight portions, wild jujube seed in 3-60 weight portions, fleeceflower root in 3-60 weight portions, licorice in 3-60 weight portions, kudzu vine root in 3-60 weight portions and fleeceflower stem in 3-60 weight portions. The solution of the present invention is based on the pathogenesis and treating principle of cardiac and cerebral vascular diseases, and the medicine can improve the function of blood vessel, lower blood fat and soften blood vessels.

The invention relates to a preparation method of a cuprous iodide two-dimensional material. Cuprous iodide nanosheets and vertical heterojunctions thereof enrich the varieties of the new two-dimensional material and the heterojunctions, and provide new possibility for discovering new electronic and photoelectronic device equipment. The method comprises the following steps: putting a porcelain boat with cuprous iodide powder into a constant-temperature area of a tubular furnace, taking empty Si / 300nmSiO2 or Si / 300nmSiO2 with tungsten selenide and tungsten sulfide as a growing substrate of the nanosheet, and putting into a variable-temperature area at the downstream of the furnace to obtain proper crystal growth temperature; and taking argon as carrier gas, adjusting the flow of the argon to be 10 to 225 sccm, setting the temperature of the constant-temperature area to be 360 to 470 DEG C and maintaining constant temperature for 1 to 40 minutes to obtain the cuprous iodide two-dimensional material. The preparation methods of the tungsten selenide and tungsten sulfide nanosheets comprise the same steps as above. The cuprous iodide nanosheets have the thickness being 1 to 300 nm and the size being 1 to 5 microns, have regular triangular and hexagonal shapes and have high crystallinity, and the preparation method of the heterojunctions is simple.

The invention belongs to the technical field of food processing, and provides a wrapper making device and a dumpling automatic making line. The wrapper making device comprises a machine frame, whereina feeding hopper, a wrapper making roller group, a wrapper piling device and a conveyer belt are sequentially arranged on the machine frame; an opposite pressing device is also arranged on the machine frame, and comprises lower pressing plates which are oppositely arranged; the lower pressing plates are located at one end close to the feeding hopper, of the wrapper making roller group, and are used for enabling dough to be extruded to be flat before the dough enters the wrapper making roller group; the wrapper piling device comprises a material guiding hopper which is in reciprocating motion;the moving direction of the material guiding hopper is perpendicular to the transporting direction of the conveyer belt; and wrappers pressed by the wrapper making roller group are subjected to positive and negative piling after being guided by the material guiding hopper. The invention further comprises a quick-frozen dumpling automatic production line. A rough pressing device, a beating device,a fine pressing device, a filling injecting device, a guiding device, a shaping device and a recovering device are sequentially arranged on the quick-frozen dumpling automatic production line. Through the adoption of the wrapper making device and the quick-frozen dumpling automatic production line disclosed by the invention, the problems that in the prior art, the speed of manually making dumplings is too low, and the requirements of people cannot be met are solved; and the technical problem that problems exist in some dumpling making machines, so that the dumpling making machines are difficult to popularize and use, is solved.

The invention discloses a cooled meat fresh-keeping storage method and an electrostatic field fresh-keeping device for keeping fresh. The method comprises the following step of combining an electrostatic field fresh-keeping method and high-oxygen modified atmosphere packaging to carry out fresh-keeping storage on cooled meat, and further comprises the following steps: carrying out the high-oxygen modified atmosphere packaging on the cooled meat by adopting a high-barrier-property packaging material; and carrying out the fresh-keeping storage on the cooled meat subjected to the high-oxygen modified atmosphere packaging in a sealed low-temperature environment provided with the electrostatic field fresh-keeping device. The electrostatic field fresh-keeping device comprises a sealed box body or wall body and an electrostatic field generation device, wherein the electrostatic field generation device comprises an electrostatic field generation device body and electrodes; the electrodes are arranged in the sealed shell and are fixed on an inner wall of the sealed box body or wall body through an insulating material; the electrostatic field generation device body is arranged at the outer part of the sealed box body or wall body; the electrodes are electrically connected with the electrostatic field generation device body so that a space electrostatic field is formed in the sealed box body or wall body; and more than one electrode is arranged and the electrodes are distributed at different positions of the space in the sealed box body or wall body.

The invention belonging to a building decorative material relates to a ceramic tile with a special-shaped cross section, wherein the ceramic tile consists of a tile surface (1) and a tile back (2); one edge (3) of the tile is a thick edge, while the opposite edge (5) is a thin edge. The invention adopts the following use method: firstly, adhesives such as cement and so on are paved on a wall surface or the ground; secondly, a user, who holds the thin edge of the ceramic tile, puts the thick edge of the ceramic tile on the cement and then gradually extrudes the tile from the thick edge to the thin edge. Therefore, due to the action of an inclined plane, air and cement are gradually extruded towards the thin edge, thereby avoiding the falling off and the fracture of the ceramic tile and reaching the goal of firm cementation. The ceramic tile overcomes the bias that firm cementation can only be obtained when each edge of a ceramic tile is of identical thickness and the cross section is in the shape of a parallelogram; meanwhile, the ceramic tile reaches an unpredictable effect and solves a technical problem that people are eager to solve for a long time but do not succeed yet; therefore, the ceramic tile which is an invention with wide application is of great significance to the construction decoration industry.

The invention belongs to the field of the instrument and meter, relating to the operating keyboard of the instrument and meter, particularly to the direction key in the interactive instrument and meter operating keyboard, characterized in that, a rotatable blanking disk 2 is arranged at the lower middle part of the four transparent photic windows 1 of the four direction keys, wherein the axle center 6 of the blanking disk is arranged at the geometric symmetry center of the four transparent photic windows 1, arranged on the same arc using the axle center 6 of the blanking disk as the center; the arc is provided with a photic hole 4. When the photic hole 4 of the blanking disk 2 rotates to the photic windows 1 of the light sensitive transistor, the light sensitive transistor turns on, which realizes an electronic switch action; when the photic hole 4 of the blanking disk 2 does not rotate to photic windows of the blanking disk, all the light sensitive transistor turnes off.

The invention provides a pungent taste chewing gum, in particular a pungent taste chewing gum containing cayenne pepper and has health care function.

The invention discloses application of oak barks, functional filter stick additives, a preparation method for the functional filter stick additives and application on the functional filter stick additives. The oak barks serve as cigarette filter stick adding ingredients, and are compounded with binding agents, tobacco leaves and / or tobacco stem powder and tobacco flavor to obtain cigarette filter stick additives which are used for enhancing aroma of smoke of cigarettes and reducing the content of tar in the smoke of the cigarettes. The preparation method for the cigarette filter stick additives comprises the following steps of uniformly mixing oak bark powder and tobacco leaves and / or tobacco stem powder to obtain mixture; further mixing the mixture and aqueous solution with the binding agents and the tobacco flavor; and performing spray drying and screening to obtain the cigarette filter stick additives. By using the cigarette filter stick additives, the content of the tar in the smoke of the cigarettes can be effectively reduced, compound aroma can be added to the smoke of cigarettes, and moreover, the processing and forming property of filter sticks of the cigarettes can be improved. The preparation method is simple; raw materials are easy to obtain; the production cost is low; and requirements on industrial production can be met.

This invention discloses a design method of large space reinforced concrete sloping roof. It includes the following structural component of the overall layout settings : eaves edge beam of the office roof was supported on concrete wall, column or masonry walls; slopes of the roof slab from the roof to mid-span were placed with increasing tilt angle, its bottom was supported on edge above beam; the slope of the roof slab is cross-linked to each other to constitutes the roof; except roof edge beam, there are no concrete walls in internal plane and columns to form the space bellowing the elevation; the roof beams along the edge beam spacing sets up resistance against pushing thrust component. As a result of these technology programs, compared with the existing technology investment, it not only saves about 10% investment and shorten about 30% project time of the building the roof , bring professional benefit to structure, but also can give the building professional design to expand a new leeway ,let the users free to use the space,make the available space increased about 35% to a standard level.

The invention relates to a reconstruction system, in particular to an energy flow allocation reconstruction system of an energy source, and aims to provide an energy flow allocation reconstruction system capable of automatic reconstruction for the energy source. In order to solve the technical problem, the energy flow allocation reconstruction system of the energy source, provided by the invention, comprises a first power utilization device, a second power utilization device, a first circuit, a second circuit, a comparison device, a reconstruction device, a third circuit, a fourth circuit, a small power supply, a large power supply and a fifth circuit, wherein a right part of the first power utilization device is connected with the first circuit, a right part of the second power utilization device is connected with the second circuit, the first circuit and the second circuit are connected with the comparison device, the first circuit and the second circuit pass through the comparison device and then are connected with the reconstruction device, a right part of the reconstruction device is connected with the third circuit and the fourth circuit, and the third circuit is connected with the small power supply. By the energy flow allocation reconstruction system, the effects of automatic reconstruction and high reconstruction efficiency are achieved.

The invention discloses a CHO-S cell semisolid medium as well as a preparation method and an application thereof. The semisolid medium consists of the following components in percentage by weight: 2.46-2.48% of a CD FortiCHO medium and 2-3% of methyl cellulose. The CHO-S cell semisolid medium is prepared by the following steps: fully uniformly mixing the 2*CD FortiCHO and the 2*methyl cellulose according to a volume ratio of 1 to 1, conducting centrifuging so as to remove particles which are invisible to naked eyes, and collecting upper centrifugal liquid. The CHO-S cell semisolid medium disclosed by the invention can be used for replacing an imported CHO-S cell semisolid medium in cultivating CHO-S cells; cells are great in growth, high in protein expression quantity and good in growth status; and research and development cost and production cost can be greatly reduced.

The invention relates to a network monitoring module, and particularly relates to a low-power consumption network monitoring module for a building equipment energy flow. The invention aims to solve a technical problem of providing a low-power consumption network monitoring module, which is low in energy consumption, long in service life and wide in application range, for a building equipment energy flow. In order to solve the technical problem, the invention provides a low-power consumption network monitoring module for the building equipment energy flow. The low-power consumption network monitoring module comprises a power supply, a signal awakening module, a wireless temperature sensor and an anode line, wherein the signal awakening module comprises a shell, an expansion liquid tank, a piston, an L-shaped push rod, a rack, a gear, a rotating rod, an arc-shaped switch and a trigger device, and the power supply is connected with the signal awakening module through the anode line. According to the invention, variations in heat are converted into variations in rotation of the rotating rod, the arc-shaped switch on the rotating rod is contacted with an arc-shaped block in the rotating process, then the arc-shaped switch connects the anode line, and the wireless temperature sensor operates.

The invention discloses a sublingual oral preparation of torasemide. The sublingual oral preparation of torasemide comprises the following raw materials by weight: 15 to 35 parts of torasemide, 30 to 80 parts of a penetration enhancer, 35 to 55 parts of a disintegrating agent and 150 to 200 parts of a filler. According to the invention, a sublingual administration manner is employed for torasemide, so torasemide is prevented from entering in-vivo systemic circulation; and thus, the usage amount of torasemide is greatly lowered, and side effect of torasemide is reduced.

The invention discloses application of oak barks, functional filter stick additives, a preparation method for the functional filter stick additives and application on the functional filter stick additives. The oak barks serve as cigarette filter stick adding ingredients, and are compounded with binding agents, tobacco leaves and / or tobacco stem powder and tobacco flavor to obtain cigarette filter stick additives which are used for enhancing aroma of smoke of cigarettes and reducing the content of tar in the smoke of the cigarettes. The preparation method for the cigarette filter stick additives comprises the following steps of uniformly mixing oak bark powder and tobacco leaves and / or tobacco stem powder to obtain mixture; further mixing the mixture and aqueous solution with the binding agents and the tobacco flavor; and performing spray drying and screening to obtain the cigarette filter stick additives. By using the cigarette filter stick additives, the content of the tar in the smoke of the cigarettes can be effectively reduced, compound aroma can be added to the smoke of cigarettes, and moreover, the processing and forming property of filter sticks of the cigarettes can be improved. The preparation method is simple; raw materials are easy to obtain; the production cost is low; and requirements on industrial production can be met.

The invention discloses an elevator accident protection device. The elevator accident protection device comprises an elevator, a detection mechanism, a speed reducing mechanism and a buffering and vibration reducing mechanism, wherein a safety lock and a clamping column are arranged on the elevator, the safety lock achieves the effect that when the elevator falls rapidly, a movable bolt in the safety lock can clamp an elevator door, so that the elevator door cannot be opened, the clamping column and a clamping block are used in cooperation, the detection mechanism is installed on the side face of the elevator and achieves the effect of automatically starting the protection device when the elevator falls abnormally and rapidly, the speed reducing mechanism is installed on the side face of the elevator and achieves the effect of reducing the falling speed of the elevator when the elevator falls abnormally and rapidly, the buffering and vibration reducing mechanism is installed below the elevator, the impact force generated when the elevator falls is relieved through the buffering and vibration reducing mechanism, and the elevator cannot bounce repeatedly.

The invention relates to peony-seed nutritious blend oil and a preparation method thereof. The blend oil is prepared from the following ingredients in parts by weight: 40-50 parts of coconut oil, 30-40 parts of peony seed oil and 0.05-0.1 part of admixture, wherein the admixture is prepared from the following ingredients in parts by weight: 50-60 parts of peony leaf extract, 20-30 parts of vitamin E, 5-15 parts of beta-sitosterol and 5-15 parts of oryzanol. The peony seed oil and other edible oil are blended and can be complemented with one another nutritionally, and various nutrients and healthcare factors are integrated, so that nutritional and healthcare effects are achieved; the blend oil has obvious blood fat lowering and blood pressure lowering effects and can enhance autoimmunity.

The invention discloses a moistureprood processing method of an electric insulation board, which is characterized in that the electric insulation board is externally provided with a vinyl ester resin material coating which is prepared by vinyl ester resin and a curing agent, wherein the mass of the curing agent is 1.5-2% of the mass of the vinyl ester resin; and the electric insulation board also comprises a curing accelerator, and the mass of the curing accelerator is 0.2-1% of the mass of the vinyl ester resin. According to the invention, by utilizing the known anticorrosive material-vinyl ester resin, the moistureproof requirement of the electric insulation board used under high voltage can be met, the insulation strength of the epoxy resin board can be strengthened, the new use of the vinyl ester resin can be found and utilized, and the unexpected effect is achieved.

The invention relates to a preparation method of a cuprous iodide two-dimensional material. Cuprous iodide nanosheets and vertical heterojunctions thereof enrich the varieties of the new two-dimensional material and the heterojunctions, and provide new possibility for discovering new electronic and photoelectronic device equipment. The method comprises the following steps: putting a porcelain boat with cuprous iodide powder into a constant-temperature area of a tubular furnace, taking empty Si / 300nmSiO2 or Si / 300nmSiO2 with tungsten selenide and tungsten sulfide as a growing substrate of the nanosheet, and putting into a variable-temperature area at the downstream of the furnace to obtain proper crystal growth temperature; and taking argon as carrier gas, adjusting the flow of the argon to be 10 to 225 sccm, setting the temperature of the constant-temperature area to be 360 to 470 DEG C and maintaining constant temperature for 1 to 40 minutes to obtain the cuprous iodide two-dimensional material. The preparation methods of the tungsten selenide and tungsten sulfide nanosheets comprise the same steps as above. The cuprous iodide nanosheets have the thickness being 1 to 300 nm and the size being 1 to 5 microns, have regular triangular and hexagonal shapes and have high crystallinity, and the preparation method of the heterojunctions is simple.

The invention relates to the technical field of dam piping emergency treatment, in particular to a rescue pipe for a dam piping accident. The rescue pipe for the dam piping accident comprises a steel pipe and further comprises a sliding ring connected to the portion, close to the bottom end, of the steel pipe in a sliding mode, and anchor thorn pressure induction type firing pin blasting packages are distributed at the upper end of the sliding ring in the circumferential direction, wherein a adhesive bag and a small expansion ball bag are tightly attached to the left side and the right side of the pressure induction type firing pin blasting bag respectively. The rescue pipe provides a new water stopping method which can be regarded as a whole in which two leaking stoppage structures acting on different positions promote each other, and after the emergency rescue pipe fitting acting on a piping opening is added into the pipe, the pipe not only plays a role in fixing the emergency rescue pipe fitting main body, most importantly, the leaking stoppage function of the pipe is combined to quickly form a leaking stoppage layer at three layers of filter screens, so that efficiency is greatly improved, water can be quickly stopped, and repair time is shortened; the rescue pipe not only acts on a common river levee, but also can be used for a river levee dam with water on the two sides, and blocking of a low-water-level dam is rapid and effective.

An integrated AC motor for a hybrid electric vehicle, including a stator, an inner rotor, an outer rotor, a solid shaft, a hollow shaft, a bearing, an end cover, and a casing, and the left end of the solid shaft is sequentially assembled with an inner bearing, a hollow shaft, an outer bearing, and a left end cover , the right end is equipped with a bearing and a right end cover in sequence, and the middle of the solid shaft is equipped with an inner rotor, a stator, an outer rotor, an outer rotor sleeve and a casing in sequence in the vertical direction, the inner rotor is fixed on the solid shaft, and a connecting piece is provided at one end of the stator. The part is connected with the right end cover, and the outer rotor sleeve is connected with the rotating part fixed on the hollow shaft through screws, and two structures of double-ended shaft extension and single-ended shaft extension can be used. The inner and outer walls of the stator have grooves for embedding winding coils, and two sets of independent three-phase symmetrical windings are respectively embedded in the grooves of the inner and outer walls; the inner and outer double rotors can be either squirrel-cage or Various permanent magnet rotor structures; the number of poles of the two sets of windings embedded in the inner and outer walls of the stator can be the same or different.

The invention discloses that isolated PBMCs are used to induce culture to obtain NK cells, and after expanded culture, exosomes of NK cells are extracted, mixed with oxytetracycline and extracts of Asparagus japonica, and freeze-dried to obtain freeze-dried powder. Freeze-dried powder can significantly inhibit the infection of VSV, reduce the lesions of herpes zoster, shorten the course of the disease, and improve the prognosis, achieving the unexpected effect of traditional treatment methods.

The invention discloses a moistureprood processing method of an electric insulation board, which is characterized in that the electric insulation board is externally provided with a vinyl ester resin material coating which is prepared by vinyl ester resin and a curing agent, wherein the mass of the curing agent is 1.5-2% of the mass of the vinyl ester resin; and the electric insulation board also comprises a curing accelerator, and the mass of the curing accelerator is 0.2-1% of the mass of the vinyl ester resin. According to the invention, by utilizing the known anticorrosive material-vinyl ester resin, the moistureproof requirement of the electric insulation board used under high voltage can be met, the insulation strength of the epoxy resin board can be strengthened, the new use of the vinyl ester resin can be found and utilized, and the unexpected effect is achieved.

A main branch shape of short-planted fruit tree, comprising a strong main branch, 50-60 horizontal fruit branches with different length from 3 cm to 60 cm are directly inserted in the main branch with the distance of its branch height to surface being 40-60 cm, the roughness degree ratio between main branch and fruit branch is 5-20:1, the diameter of crown is smaller than 1.3 meter, and tree height is between 2 and 3 meter. The process comprises planting middle branch, carving bud, keeping fruit and flower blooming, controlling branch growth to form crown shape, the plant line distance of apple tree can be smaller than 1*3 meter to reach the close planting degree per mou of 100-550 strains; the plant line distance of peach tree can be smaller than 1*2 meter to reach the close planting degree per mou of 100-550 strains; in orchard, natural weed growth and artificial weed growing can be implemented. The fruit branch grows surround main branch, the irradiation of fruit is longer and, fruit size is uniform and quality is good. The method makes full use of natural condition and reaches purpose of stable and high production.

The invention is designed aiming at the field management deficiency of machinery equipment, especially the field management deficiency of machinery equipment for large-scaled production devices. The invention comprises the following steps of classifying by integrating various necessary conditions of machinery equipment, selecting the nearest and the safest places for the machinery equipment according to the number of files stored in the machinery equipment, installing and suspending proper data boxes, which can store all necessary data and information documents for the machinery equipment, including information, report, data, parameters, indexes and other documents required by all professional fields in the machinery equipment field management, inputting a door-opening password on a digital keyboard on the box door when using a document, pulling the handle to open the data box door, and inputting code of the document to be searched to allow the document to eject from a storage shelf, and saving the document into the data box according to a reverse operation after using the document,. For night work and cleaning the box, the inventive data box is also provided with an explosion proof safety lamp and a pneumatic cleaner, and for preventing damage to the data box due to corrosion and high temperature of fire behavior, the inventive data box is also provided with an umbrella and an automatic extinguisher. The inventive data box can remarkably reduce the occurrence of different types of accidents caused by field management error and uncompleted operation due to field management deficiency, especially the field management deficiency of machinery equipment for large-scaled production devices, so as to directly or indirectly, to different extents, recover personal, property and economic losses.

The invention relates to a network monitoring module, and particularly relates to a low-power consumption network monitoring module for a building equipment energy flow. The invention aims to solve a technical problem of providing a low-power consumption network monitoring module, which is low in energy consumption, long in service life and wide in application range, for a building equipment energy flow. In order to solve the technical problem, the invention provides a low-power consumption network monitoring module for the building equipment energy flow. The low-power consumption network monitoring module comprises a power supply, a signal awakening module, a wireless temperature sensor and an anode line, wherein the signal awakening module comprises a shell, an expansion liquid tank, a piston, an L-shaped push rod, a rack, a gear, a rotating rod, an arc-shaped switch and a trigger device, and the power supply is connected with the signal awakening module through the anode line. According to the invention, variations in heat are converted into variations in rotation of the rotating rod, the arc-shaped switch on the rotating rod is contacted with an arc-shaped block in the rotating process, then the arc-shaped switch connects the anode line, and the wireless temperature sensor operates.

The invention discloses a large-caliber steel pipe bending forming device which comprises a first chuck, a second chuck and a supporting seat. The first chuck and the second chuck are driven by a first rocker arm and a second rocker arm to rotate correspondingly. The first rocker arm drives the first chuck to conduct first-time arc bending on a steel pipe, and the second rocker arm drives the second chuck to conduct second-time arc bending on the steel pipe. The invention further discloses a large-caliber steel pipe bending forming technology. The large-caliber steel pipe bending forming technology sequentially includes the specific steps of verification before pipe bending, pipe bending size calculation, steel pipe mounting, primary bending, secondary bending and the correction process after bending. By means of the large-caliber steel pipe bending forming method and device, medium-frequency hot bending can be used for achieving bending with two different radiuses on the same steel pipe; and it is ensured that the thickness of the pipe walls of all parts in the pipe bending forming process is kept unchanged, and under the condition that the pipe bending machining quality is ensured, the steel pipe hot bending machining work efficiency is improved.