142results about How to "Solve operational difficulties" patented technology

The invention discloses a detection and protection method of lack of fluorine of air-conditioners, comprising the following steps: a compressor runs under the state of sufficient fluorine and the absolute value of the difference value between the temperature value of an internal coil tube of the compressor and the temperature value of the environment is set at least as delta T0; cooling or heating mode is selected; after the compressor is started up to run for some time, the temperature values of the internal coil tube and the environment are measured and the absolute value delta T1 of the difference value between the temperature values of the internal coil tube and the environment is compared with the delta T0; if delta T1 is more than or equal to delta T0, the air-conditioners are diagnosed to not lack fluorine; if delta T1 is less than delta T0, the air-conditioners are diagnosed to lack fluorine and alarm; after the compressor keeps running for some time, the temperature values of the internal coil tube and the environment are measured again and the absolute value delta T2 of the difference value between the temperature values of the internal coil tube and the environment is compared with the delta T0; if delta T2 is more than or equal to delta T0, the air-conditioners are diagnosed to not lack fluorine and the alarm is gotten rid of; if delta T2 is less than delta T0, the air-conditioners are diagnosed to lack fluorine and stop running. The method solves the problems of difficult operation of artificially detecting lack of fluorine and low diagnosis accuracy.

The invention relates to a balloon expandable stent with a side-hole channel, which belongs to the technical field of medical devices implantable into the blood vessel of human body. One end of the balloon is communicated with a balloon catheter that can inject and suck out contrast agent; an expandable compression stent is arranged outside the balloon; a main intracavity channel and an intracavity sub-channel are respectively arranged in the balloon and the balloon catheter; one opening of the main intracavity channel is positioned at the side wall of the balloon catheter, and the other opening is positioned at the top of the balloon; one opening of the intracavity sub-channel is positioned at the side wall of the balloon catheter, and the other opening is positioned at the side wall of the balloon; the expandable compression stent is provided with a side hole opposite to the side-wall hole of the balloon. The invention has the characteristics of simple structure, convenient operation and use, time saving and safety; meanwhile, the stent can break through the forbidden zone that the interventional therapy can not proceed due to the bifurcation and lesion of the blood vessel of brain, can simplify the steps of treating the bifurcation and lesion of the coronary artery, lower the operation risk and difficulty of stent-aiding embolism operation for wide-necked aneurysms, enhance interventional embolism / surgical clipping ratio, and alleviate patients' wound and pain.

The invention belongs to the technical field of medical CT (computed tomogram) image segmentation, and relates to a tooth CT image segmentation method based on deep learning. According to the technical scheme provided by the invention, a traditional Level Set algorithm and a U-net network model are combined, and a Level Set algorithm is used for solving the problem of a training set required by the neural network, so that the neural network can be trained by using unmarked tags, at the same time, the neural network model is used to complete the automatic segmentation of the image, the problemof non-convergence of curve evolution is avoided, and a sufficient and accurate segmentation effect can be obtained under the condition that a medical image training set is insufficient.

The invention belongs to the technical field of mobile terminals and provides a language file generation method and a language file generation device. The language file generation method comprises the following steps of: obtaining a language set in an Android system; unpacking the installation package of an application program for the Android system to generate an unpacked file; when the unpacked file lacks of a language file of the language, extracting a preset language file in the unpacked file; and translating the preset language file into the language file of the language being the same as the set language, and executing packing operation to the unpacked file to generate a new installation package corresponding to the application program. In the embodiment of the invention, since the preset language file is translated into the file language of the language being the same as the preset language, the problem that the application program is difficult to operate by a user when the preset language of the application program for the Android system is not the language used in the region or the country where the user is located is solved, and the user operating efficiency is improved.

The invention discloses a platform cover plate device and a wind turbine generator tower and a wind turbine generator comprising the same and belongs to the field of auxiliary equipment of wind turbine generator sets. The platform cover plate device comprises a translational slide rail system and a platform cover plate capable of sliding on the translational slide rail system, wherein the translational slide rail system comprises two tracks which are arranged on a tower platform and are separately connected to two sides of the platform cover plate; the two tracks are a primary track and a secondary track; a sliding track wheel capable of moving in a slot of the primary track is arranged on the primary track; the sliding track wheel is connected to one side of the platform cover plate for driving the platform cover plate to move; and the other end of the platform cover plate is movably connected to the secondary track. By designing the translational slide rail system, the platform coverplate can translate in the translational slide rail system to open and close, so that the problems that the operating stroke of the platform cover plate of an existing wind turbine generator tower islong, the difficulty of overturning the cover plate by a single arm is great, a connecting hinge is severely damaged as the closing process cannot be controlled and the like are solved.

The invention belongs to the field of mobile internet, and particularly relates to a mobile terminal for instant messaging. The mobile terminal is designed for user population who do not operate instant messaging programs on a touch screen conveniently. According to the mobile terminal disclosed by the invention, a plurality of solid buttons and indication lamps are installed at proper positions of the mobile terminal and are bound with an instant messaging chat group for receiving and transmitting various information of the chat group; chat information can be received, voice can be directly played and characters, images and videos are amplified, displayed and played by pressing buttons in a short time; and voice chat information can be transmitted by pressing the buttons in a long time.

The invention relates to the field of smart televisions, and provides a method for quickly registering / logging in a smart television account so as to register / log in a smart television account quickly. The method comprises the steps that a, registration / login information is generated into a two-dimensional code, and the two-dimensional code is stored to a server; b, the server detects whether there is a mobile client used for scanning the two-dimensional code or not at home, if so, the method gets into a step c, and otherwise, the method gets into a step d; c, the server adds the two-dimensional code to a member center entrance of a smart television terminal, and the method gets into a step e; d, the server prompts a user to input a remote mobile phone number, and the two-dimensional code is sent to a remote mobile phone if the user inputs the remote mobile phone number; e, the two-dimensional code is scanned by the mobile client, and a web page corresponding to the two-dimensional code is acquired; and f, a registration / login operation is carried out on the web page. The method provided by the invention is applicable to smart televisions with a troublesome input method.

The invention provides a back electrode structured impurity barrier band detector. The back electrode structured impurity barrier band detector comprises a high-conductivity silicon substrate, a silicon-doped phosphorus absorption layer, a high-purity silicon barrier layer, an electrode transitional region, a positive electrode region, a negative electrode region and a metal substrate, wherein the silicon-doped phosphorus absorption layer is arranged on the high-conductivity silicon substrate; the high-purity silicon barrier layer is arranged on the silicon-doped phosphorus absorption layer; the electrode transitional region is arranged on the high-purity silicon barrier layer; the positive electrode region is arranged on the electrode transitional region; a positive electrode lead is arranged on the positive electrode region; the negative electrode region is arranged at the bottom of the high-conductivity silicon substrate; the negative electrode region is connected with the metal substrate through conductive silver paste; and a negative electrode lead is arranged on the negative electrode region. The back electrode structured impurity barrier band detector has the beneficial effects as follows: the negative electrode and the metal substrate are glued together through the silver paste; gold lines are led from the positive electrode and the metal substrate separately through a lead bonding process to be connected to adjacent pins of the metal substrate respectively; and therefore, deep hole etching to the negative electrode in the conventional preparation method is avoided, and the problem of damage to the device caused by the conventional etching process is solved.

A cover plate assembly including a cover plate (15), an insulation element (11), an explosion-proof diaphragm (8), a pulling plate(5) and an assembling base (17), in which a chamber(28) communicated from upside to downside is provided on the assembling base (17), the cover plate(15) and the explosion-proof diaphragm(8) are insulated and fixed hermetcally inside the chamber(28) by the insulation element(11), and the cover plate(15) and the explosion-proof membrane(8) are connected electrically each other to form a decompression room(13),and the explosion-proof diaphragm(8) is electrically connected to the pulling plate (5) beneath thereof which is supported against on the assembling base (17) and is insulated from the assembling base (17) via the insulation element (11), so that the explosion-proof diaphragm(8) is broken and disconnect to the pulling plate(5) when the press applied to it is higher than a setting value. A battery using the above stated explosion-proof cover plate assembly is provided.

The invention discloses a method and device for controlling a travel tool and a travel tool system, and relates to the field of control. The travel tool can be operated without movement of body parts such as legs, arms and hands, and the problem that an existing travel tool is difficult to operate for a disabled person is solved. The device for controlling the travel tool comprises a camera, an image processing unit and a control unit, wherein the camera is used for shooting an image of eyes of a user, the image processing unit is connected with the camera and used for receiving the image, shot through the camera, of the eyes and identifying the movement of the eyes of the user, and the control unit is used for generating a corresponding movement instruction for controlling the travel tool to move according to the identified movement of the eyes.

The invention discloses a precise positioning and process regulation and control device for a vibration isolation support embedded plate. The positioning and process control device comprises the vibration isolation support embedded plate (1) and is characterized by further comprising a vertical elevation regulator and a horizontal positioning regulator. The vertical elevation regulator comprises a positioning reinforced steel bars (4), screw threads (5), nuts (6), a sleeve (7) and angle iron (8), wherein the screw threads (5) formed on each positioning reinforced steel bar (4), each nut (6) sleeves the corresponding positioning reinforced steel bar (4), and each sleeve (7) sleeves the corresponding nut (6) and fixedly connected with the angle iron (8) through welding. The horizontal positioning regulator comprises a short reinforced steel bar (9) and a sleeve (10), wherein the sleeve (10) is disposed at the threaded section of the short reinforced steel bar (9). The precise positioning and process regulation and control device is simple to operate and low in investment, operation difficulty caused by large size of the embedded plate is avoided, precise positioning and elevation control during mounting pouring of the embedded plate can be guaranteed effectively, and construction quality of the vibration isolation support embedded plate is guaranteed.

The invention provides a crane as well as a fixed point hoisting control method, equipment and system thereof. Wherein, the method comprises steps of: under a fixed point hoisting learning model, recording position parameters of a suspension arm and a hoisting mechanism on a hoisting track according to a set time interval; and controlling the next hoisting process according to the recorded position parameters. Due to the recording of the position parameters of each suspension arm and each hoisting mechanism on the hoisting track under the fixed point hoisting learning model, the subsequent hoisting process can be conducted automatically according to the position parameters, so that the commanding intensity of an operator can be lowered, the environment suitability and the humanization of the hoisting equipment can be improved, the problem of operation difficulty as the hoisted object moving track is controlled by a conductor each time in the fixed point hoisting operation process is solved, and the work efficiency is also improved.

An embodiment of the invention discloses a text searching method and device in touch type terminals and is applied to a wireless network comprising at least one touch type terminal. With the adoption of the technical scheme of the embodiment of the invention, text information can be selected directly on display interfaces of the touch type terminals, a background server is triggered to search the selected information, and corresponding search results are acquired, so that the problems that if searching is performed, a user is required to input characters into a mobile device, and difficulties are caused are solved, the time for the user to acquire the information is saved, and the efficiency is improved.

The invention belongs to the field of poultry feeds, and particularly relates to a feedstuff for young birds at a mouth-open period and a preparation method and application thereof. The feedstuff for young birds at the mouth-open period is characterized by comprising the following components in parts by weight: 50-60 parts of corn, 20-30 parts of bean pulp, 1-5 parts of steam fish meal, 0.3-0.5 parts of glucose, 0.8-1.1 parts of mountain flour, 0.8-1.0 part of calcium hydrophosphate, 0.2-0.3 parts of salt, 0.15-0.3 part of methionine, 0.2-0.5 part of lysine, 0.1% of choline chloride, 0.1-0.3 part of compound vitamins, 0.1-0.3 part of compound trace elements, 0.1-0.3 part of butyrin, 0.5 part of poultry complex enzyme and 0.01 part of poultry protease. The feedstuff for young birds at the mouth-open period is generally applied to all laying and meat young birds of 0-7 ages in days. By adopting the feedstuff for young birds at the mouth-open period, the nutritional requirements at the transition period from yolk to a feed are considered. no drug needs to be added to drinking water after the feedstuff is used, so that a difficult operation of adding the drug to the drinking water is solved, the problem that the dose is difficultly grasped is solved, and the problem that a nutritive additive is added to the drinking water to lead to easy deterioration under the environment of a high-temperature and high-humidity young birdhouse is also solved.

The invention discloses a high-alumina slag system for blast furnace smelting. The high-alumina slag system comprises the following components by mass percent: 20 to 32 percent of SiO2, 38 to 40 percent of CaO, 18 to 30 percent of Al2O3, 7 to 11 percent of MgO, and 0.5 to 1 percent of TiO2. The high-alumina slag system creatively utilizes the effect of Al2O3 in the slag system on the premise that the performance requirements of a blast furnace smelting slag system are met, takes Al2O3 to replace SiO2 in the existing slag system, meanwhile reduces the content of SiO2, converts aluminosilicate slag for traditional blast furnace smelting into the blast furnace smelting slag system, utilizes the current blast furnace smelting high-alumina mineral matched with other iron mines, can obtain a slag system with Al2O3 content reaching 20 to 30 percent or above, and meets the requirement of the blast furnace smelting slag system.

The invention relates to a duct type air conditioner with a detachable partition plate assembly. The duct type air conditioner comprises a duct type air conditioner body. A partition plate assembly fixing plate is arranged in the duct type air conditioner body, and provided with a wind wheel vent for ventilation and a first sliding structure. The partition plate assembly is arranged in the duct type air conditioner body and located on the partition plate assembly fixing plate. The partition plate assembly is provided with a second sliding structure fixed to the first sliding structure in a sliding mode. The partition plate assembly realizes sliding connection through the first sliding structure and the second sliding structure, and can be fixedly connected through a fixing device. The partition plate assembly is detachably fixed to the partition plate assembly fixing plate in the duct type air conditioner body through the first and second sliding structures, and is further fixed with the fixing device. Thus, the problem that operation of maintaining a duct type air conditioner in field is difficult is solved, and the duct type air conditioner is convenient to operate.

The invention relates to the field of automobile seats, in particular to a turnover automobile seat supporting device. The turnover automobile seat supporting device is mainly formed by combining a seat front foot welded part (1), a seat rear foot welded part (2) and a seat framework (3). The seat front foot welded part (1) is connected with the front portion of the seat framework (3). The seat rear foot welded part (2) is connected with the rear of the seat framework (3). The turnover automobile seat supporting device is connected with a floor (4) through bolts. According to the turnover automobile seat supporting device of the structure, the requirement for the manufacturing accuracy of automobile body parts is low, abnormal sound is not generated when an automobile runs, the service life of a turnover seat is prolonged, the problem of arduous turning over of the seat is solved, the number of parts and welding processes is decreased, working efficiency is improved, the problem that a safety belt fixing point shifts and is prone to exceeding the range required by regulations in a seat test is solved, and automobile safety is improved.

The invention discloses a method for preparing lead halide perovskite, and belongs to the field of lead halide perovskite. According to the method, a self-assembly behavior of hydroxy halide lead oresare regulated and controlled through regulation and control of the composition of ligands, so that hydroxy halide lead ore structures with different micron-sized microscopic shapes can be obtained; and then, Cs<+>, CH3NH3<+> or HC(NH2)2<+> ions are introduced by taking the structures as lead sources and templates, and lead halide perovskite materials with different structures can be obtained. Themethod is economical, simple and reliable, and the prepared lead halide perovskite materials have various three-dimensional structures and adjustable components.

The invention discloses a battery, which comprises a battery container, an electrode component which is arranged in the battery container, and a cover plate component which is used to seal the battery container. The cover plate component comprises a cover plate, an insulating part, an anti-explosion membrane and a pulling board. The battery is characterized in that the invention also comprises an assembling seat which is provided with an empty cavity that is communicated with the upper part and the lower part. A ring-shaped sealing groove is arranged on the internal wall of the empty cavity. The periphery of the anti-explosion membrane and the periphery of the cover plate are blocked, connected and fixed in the ring-shaped groove through an overlapping and tightening connection mode. The cover plate is communicated with the anti-explosion membrane, and a pressure release chamber is formed between the cover plate and the anti-explosion membrane. Pressure release holes are arranged on the cover plate. The anti-explosion membrane is communicated with the pulling board which is arranged at the lower part of the anti-explosion membrane and is fixed on the assembling seat after being insulated by the insulating part. When the pressure of the anti-explosion membrane is larger than the set value, the electric connection of the anti-explosion membrane and the pulling board is cut down. The assembling seat is welded on the battery container, and the container is sealed. The invention provides the battery that can be conveniently provided with anti-explosion devices no matter how high or low the mechanical strength of the battery container is.

The invention provides an assembly method of upper and lower interior walls and floors, including the following steps: S1, prefabricating interior wall shear walls and floors; S2, hoisting and installing: a first interior wall shear wall is hoisted and positioned, a first floor and a second floor are respectively hoisted on the two end faces of the top side of the first interior wall shear wall, asecond interior wall shear wall is hoisted on the top side of the first interior wall shear wall, and the two ends of the bottom side of the second interior wall shear wall are respectively pressed on the supporting ribs on the top sides of the first floor and the second floor; a cavity is formed between the floors and the first and second interior wall shear walls, and longitudinal steel bars, lacing wires and anchoring parts are ingeniously arranged in different ways; and S3, casting connection: concrete is poured into the cavity to form a double-overlapping post-poured connecting beam or adouble-anchorage horizontal post-poured strip which connects the floors and the interior wall shear walls together. The on-site construction work for the connection joint is less. The construction cost is lowered, and the construction period is shortened. The integrality and seismic strength of the building are greatly improved.

The invention discloses an image enlarging and displaying method and system for a mobile terminal. An image is divided into an array comprising M*N rectangles by an image dividing module, when a touch detection module detects that two touch points exist on the image, the rectangles where the two touch points are located are acquired, and a displaying and enlarging module enlarges and displays a rectangular array among rows and columns of the rectangles where the two touch points are located. According to the method and the system, rectangular division and numbering are performed on the image, when a touch screen detects two touch points, the rectangular array among the rows and the columns of the two touch points is enlarged and displayed, the operation that two fingers slide oppositely on the touch screen in the prior art is not required, and the operation difficulty that sliding operations of the two fingers cannot be consistent every time is avoided. The image enlarging operation is more convenient, the image is enlarged through fuzzy operation, and meanwhile, content of the image in the range of the rows and the columns of the two touch points can be enlarged through two touches on the touch screen, so that operation precision is greatly improved.

The invention provides a front-end rear release mechanism of an interventional stent conveyor, a conveyor and a using method. The front-end rear release function of an interventional stent is achieved by arranging a moving claw capable of moving on a first limiting piece in the axial direction on a front-end assembly and connecting the moving claw with a metal block of a rear-end assembly of the conveyor through a drawing wire. The rear end assembly realizes positioning locking and axial movement of a release sleeve and a screw rod through a guide locking mechanism arranged on the release sleeve and the screw rod, so that positioning locking and axial movement of the moving claw on the first limiting piece are realized, and the problem that the interventional stent is released in advance due to the fact that the moving claw is unlocked in advance can be solved; and meanwhile, the problem that the interventional stent cannot be released due to the fact that the moving claw cannot be unlocked can be solved. The guide locking mechanism is designed to be a guide column and an L-shaped guide groove formed in the outer surface of the screw rod, it is guaranteed that the front-end rear release mechanism is safe in self-locking and rapid in unlocking, and the safety, reliability and positioning accuracy of the conveyor are further improved.

The invention relates to a solar energy-based electric bicycle charging system. The electric bicycle charging system comprises a shed and solar battery panels, wherein the shed comprises four supporting columns; a rain baffle is arranged at the top ends of the four supporting columns in an erection manner; the solar battery panels are arranged above the rain baffle; an illuminating lamp and a display screen are arranged in the middle part of each of the four supporting columns separately; a supporting column storage battery is arranged in each supporting column; a plurality of charging piles are arranged in the shed; the supporting column storage batteries and the charging piles are all connected with the solar battery panels; an illumination sensor is arranged at the top end of the rain baffle; and the illumination sensor is connected with the display screens. By adoption of the system, the illuminating lamps and the charging piles are powered by solar energy; and by setting the illumination sensor on the top end of the shed, and by displaying the detected data through the display screens on the supporting columns in real time, people can know the current illumination intensity clearly, so that the application is quite convenient.

The invention relates to an air duct machine with a detachable draining pump located at a middle partition board and an air conditioner. The air duct machine comprises an air duct machine shell. The air duct machine shell is internally provided with the middle partition board. The middle partition board divides the air duct machine shell into a heat exchange cavity and a draught fan cavity. The heat exchange cavity is internally provided with a heat exchanger. A water pan is arranged below the heat exchanger. The draught fan cavity is internally provided with a motor assembly and a wind turbine volute assembly. The air outlet end of the wind turbine volute assembly penetrates through the middle partition board and faces the heat exchanger. The air duct machine shell is provided with a draining pump water outlet connecting pipe. The middle partition board is provided with a detachable draining pump assembly. The water inlet end of the draining pump assembly is communicated with the interior of the water pan. The draining end of the draining pump assembly is communicated with the draining pump water outlet connecting pipe. The draining pump assembly is detachably fixed in the air duct machine shell. When the air duct machine needs to be maintained, the draining pump assembly is directly dismantled from the middle partition board, and the draining end of the draining pump assembly is removed from the draining pump water outlet connecting pipe; the problem that a water pump assembly of an existing air duct machine is difficult to maintain on site is solved.

The invention relates to an integrated structure combining assembly and pouring for a mined metro station and a construction method thereof. The integrated structure combining assembly and pouring comprises a pipe shed, a vault, prefabricated parts, an intermediate load-bearing steel column, a side wall, a middle plate and a base plate, wherein the pipe shed is closely arranged by a plurality of steel pipes and a cross section forms a dome-shaped assembly, the top of the assembly is in a soil layer, the vault is tightly closed to the inner wall and arranged below the pipe shed; each prefabricated part comprises two first pilot tunnels, two positioning pilot tunnel and two second pilot tunnel; six prefabricated parts are respectively fixed by a pipe jacking method; the vault is composed ofa plurality of pipe segments, comprising a middle hole vault and a side hole vault, the intermediate load-bearing steel column is a steel pipe concrete structure, and the fixing installation is realized from the pilot tunnels above the intermediate load-bearing steel column to the positioning pilot tunnel; the side walls of the two sides pass through an auxiliary steel pipe structure, the jackingconstruction is carried out downwards from the second pilot tunnels above the side walls of the two sides and exceeds the base plate to extend in the ground; the intermediate plate, the base plate and the intermediate load-bearing steel column and the side wall are integrally poured and fixed to form the integrated structure combining assembly and pouring for the mined metro station.

The invention discloses a locking method and device for a large gate. Walking devices are arranged at the two ends of a gate locking beam, meanwhile, rails are arranged on the two sides of a gate groove of an overhauling platform of the gate, and the gate locking beam moves on the rails in a reciprocating manner through the walking devices; when the gate locking beam is located on the outer side of the gate groove, the gate is not limited by the gate locking beam and can slide along the gate groove up and down. When the gate and the gate groove need to be overhauled, the gate is lifted firstly, then the gate locking beam is operated to the gate groove through the walking devices, and finally the two ends of the gate are erected on the gate locking beam. By means of the locking method and device for the large gate, the operation difficulty caused by the large weight of large or ultra-large gate locking beams in a hydropower station can be solved, automated control over operation and remote operation can be achieved, operation safety and operation efficiency are improved beneficially, operation cost is lowered, and the locking method and device have good economic benefits and can be popularized in the field of hydropower station design.

The invention discloses an S-shaped wireless electron endoscope, comprising an operation part which is provided with a bending control device, one side of the operation part is connected with a lens main body through an endoscope body and the front end of the lens main body is an arc convex surface, the other side of the operation part is connected with a main frame through a protective sleeve, a water injection pipe, a gas injection pipe and a suction pipe are arranged inside the protective sleeve and connected with the lens main body, an object lens window, a light conducting window, a suction biopsy orifice and a water and gas injection orifice are arranged on the front end surface of the lens main body. An image collection processing, wireless emission and illuminating unit is arranged inside the lens main body and is connected with a charging battery arranged on the operation part through a power wire, a receiver and an image processor connected with the receiver are arranged inside the lens main body. The invention has reasonable design and advanced technique, and avoids the problem of difficult operation caused by the fault of signal cable conductor.

The present invention provides a method for adjusting the window size of a touch-controlled large screen. The method includes: S1: the user touches the large screen to make a gesture operation; S2: the sensor collects the image information of the large screen and sends it to the computer; S3: the computer uses the gesture The recognition algorithm judges the gesture type, calls out the screen information corresponding to the gesture type and sends it to the controller; S4: the controller sends the received screen information and the layout information of the screen on the large screen to the large screen; S5: the large screen The screen displays the picture information received from the computer to realize the adjustment of the size of the window. The method for adjusting the window size of the large touch screen provided by the present invention solves the problem of difficult operation of the window on the large screen, and effectively improves the accuracy and convenience of the touch operation of the large touch screen.

The invention relates to an aseptic blood-taking fixture for pigs, comprising a platform, a bracket is arranged under the platform, and two side panels are arranged on the upper part, and the two side panels are arranged obliquely so that the space formed by the side panels and the platform The cross-section is funnel-shaped, and the top edge of each side plate is provided with two clamping foot devices. One end of the table is provided with a headband. One end of the headband is connected to the table through a rotating shaft, and two extensions are provided at the other , the platen is provided with a through hole corresponding to the elongated section on the headband, so that the elongated section can be inserted into the through hole, the elongated section is provided with a scale groove, and the bottom of the platen is provided with a The two clamping strips can be snapped into the scale groove when the scale groove runs below the platen. Also included is a method of taking blood using the device. The invention can achieve aseptic blood collection, avoid blood contamination, and improve the yield and antibody titer of blood products.