33results about How to "Easy to adjust the placement angle" patented technology

The invention discloses an application method of an automatic winding system of a half spiral tube, belonging to the technical field of chemical engineering nonstandard equipment manufacture. The application method comprises the steps: mounting and fixing a roller carrier; placing a cylinder on the roller carrier; mounting a half spiral tube molding machine and a half spiral tube molding machine traveling mechanism; adjusting the horizontal discharge angle alpha of the half spiral tube molding machine; in a debugging mode, fitting the bend radius of the rolled half annular tube with the outer wall of the cylinder; then leading the molded half tube to a starting position of winding of the half tube outside the cylinder, welding the front end of the half tube with the cylinder for a section for fixation; starting a first motor, a second motor and a third motor simultaneously, evenly winding the molded half tube around the outer wall of the cylinder, performing spot welding once every 500mm by an electric welder; stopping system operation when the half tube is wound to an end position, cutting the surplus half tube; and welding fillet weld between the half tube and the cylinder to finish winding. The application method can realize automatic winding of the half spiral tube, has a controllable thread pitch and accuracy in winding, and is time-saving, labor-saving, high in efficiency, better in effects in mass production, economical and practical.

The invention relates to the technical field of assistant auxiliary devices for teaching and in particular relates to an assistant shorthand device for English words. The assistant shorthand device islow in use limit, convenient in adjusting placement angles of books, convenient for users to use, high in practicability, in addition, diverse in working mode, good in use effect, good in teaching assistant effect and thus improved in use reliability. The assistant shorthand device comprises a plate body, a plurality groups of magnetic buckles, a magnetic plate, a connecting rack, a vertical plate as well as two groups of front fixing stands, two groups of rear fixing stands, a conveyer belt, a servo motor, a clamping plate, a chain, a mounting rack, an audio player, a sound amplifier and a card reader, wherein the plurality groups of the magnetic buckles are fixed on the plate body in a sucked manner; two groups of transmission rollers are respectively arranged on a first rotating shaftand a second rotating shaft; the conveyer belt is arranged on the two groups of transmission rollers in a sleeving manner; the top end of the vertical plate is clamped inside a clamping groove; a mounting groove is formed in the plate body; the card reader is electrically connected with the audio player; a slot is formed in the card reader; a frequency variable device is arranged on the sound amplifier.

The invention relates to the field of agriculture, in particular to an agricultural eco-tourism bulletin board. The bulletin board comprises a bottom plate, two reinforcement plates, containing structures, writing boards, a sunshade structure, four supporting frames, display structures and a cleaning structure. The four supporting frames used for supporting and limiting are perpendicularly arranged between the two reinforcement plates; the sunshade structure used for sunshading and water gathering is arranged on the reinforcement plate deviating from the bottom plate; the cleaning structure used for cleaning hands is arranged on one supporting frame at the ends of the reinforcement plates; the corresponding containing structure used for storing advertising books, the corresponding writingboard used for advertising in blackboard writing and the corresponding display structure used for storing a poster are separately arranged between every two supporting frames. The corresponding containing structure used for storing and placing advertising books and advertising newspaper is arranged between every two supporting frames, in this way, the placing angle of the books and the newspaper is convenient to adjust, the contact area of the books and the containing structures is increased, the advertising books and the advertising newspaper are more convenient to place and are effectively prevented from being damaged, and the storing quality of the advertising books and the advertising newspaper is greatly improved.

The invention discloses a box separating device for a finished product logistics conveying line, and relates to the technical field of box separating devices. The box separating device for the finished product logistics conveying line comprises a sliding rail, a sliding base is movably connected to the sliding rail, the bottom end of the sliding rail is provided with a groove, a rack is fixedly connected to the interior of the groove, and a first servo motor is fixedly connected to the top end of the sliding base; and a telescopic rod is fixedly connected to the bottom end of the sliding base,a fixing base is arranged under the telescopic rod, a second servo motor is fixedly connected to the interior of the bottom end of the telescopic rod, and a rotation shaft is fixedly connected to thesecond servo motor. According to the box separating device for the finished product logistics conveying line, through cooperative arrangement of fixing plates, clamping discs, fixing rods and returnsprings, not only can boxes be firmly clamped, but also the buffering and damping effects can be achieved in the box separating work of the device; and through cooperative arrangement of fixing arms and second connectors, the putting positions can be conveniently adjusted in the clamping process, and missed clamping caused by object inclination is avoided.

The invention discloses a smart video interactive teaching terminal which comprises a bottom plate, a teaching terminal main body and a water cooling sheet. A protecting shell is mounted on a supporting leg at the top end of the bottom plate, hydraulic telescopic rods are mounted at four corners of the top end of the bottom plate, the output ends of the hydraulic telescopic rods stretch into the protecting shell, the teaching terminal main body is mounted at the output ends of the hydraulic telescopic rods, a water tank is arranged on one side in the protecting shell, a camera and a water pumpare mounted at the top end of the water tank, the water cooling sheet is arranged on the back surface of the teaching terminal main body, a snake-like pipe is arranged in the water cooling sheet, electric telescopic rods are mounted on two sides at one end in the protecting shell, cleaning brushes are mounted at the output ends of the electric telescopic rods, and a controller is mounted on one side of the protecting shell. The smart video interactive teaching terminal is convenient to store and is prevented from ash from falling onto, is convenient to dissipate heat, can adjust the angle according to the using condition of a teacher, and is easy to popularize and use.

The invention provides a photovoltaic panel bracket capable of conveniently adjusting an inclination angle, which comprises two oppositely arranged arc-shaped plates mounted on the top surface of a bottom plate, the central angle of each arc-shaped plate is greater than 90 degrees, and a guide groove is formed in each arc-shaped plate; a base is arranged on the side, away from the arc-shaped plates, of the top face of the bottom plate, driving assemblies are arranged at the two ends in the base, mounting frames are pivoted to the outer sides of the two ends of the base and driven by the driving assemblies, and the tops of the mounting frames move along the guide grooves; and an extending plate is arranged on one side of each arc-shaped plate, is of an arc-shaped structure and is arranged along the edge of the bottom of the arc-shaped plate, a plurality of inserting holes are formed in the extending plate, mounting plates are arranged on the two sides of the supporting rod, locking structures are arranged on the tops of the mounting plates, inserting rods are arranged on the locking structures, and the inserting rods are matched with the inserting holes to lock the mounting frame. According to the photovoltaic panel bracket, the inclination angle can be conveniently adjusted, a photovoltaic panel can be conveniently installed, the placing angle of the photovoltaic panel can be adjusted according to the actual environment, the light energy utilization efficiency is improved, and the photovoltaic panel can be protected.

The invention discloses an intelligent liquid crystal curved television base. The base comprises a base body, and a cavity formed in the base body; a rotary connecting rod rotationally connected with the base body is arranged at the back end of the cavity; the upper end of the rotary connecting rod extends out of the base body, and is fixedly connected with a television screen; a dustproof cover is fixedly arranged at the back end of the base body through a bolt; the front end of the dustproof cover covers the top of the television screen; an angle machine is arranged on the top end surface of the base body; a rod hole for enabling the rotary connecting rod to penetrate through is formed in the center of the angle machine; and the rotary connecting rod is provided with a tooth wheel in the top position of the cavity. The base is simple in overall structure, low in production cost and safe and stable in structure, can realize automatic adjustment and locking of the television screen placing angle, realizes automatic control and adjustment of the television screen placing angle, satisfies traditional demands on the television screen placing angle adjusting demands by people, and is simple and convenient in operation.

The invention discloses an inner and outer plates forming post-processing device for a carbon fiber engine hood. The device comprises a base and a drying cover, wherein a track is arranged on the base, the track extends into the drying cover, a self-locking roller is arranged in the track on the base, an other self-locking roller is fixed to the bottom of a workbench, a support is arranged on theworkbench, a rotating mechanism is arranged on the support, a limiting mechanism is fixed to the top of the rotating mechanism, a clamping mechanism is arranged on the left side of the rotating mechanism, a telescopic connecting rod is fixed on the clamping mechanism, and a sucker is arranged at the center of the telescopic connecting rod. According to the inner and outer plates forming post-processing device for the carbon fiber hood, the structure is not complex, the operation is simpler and more convenient, all the operation steps can be completed only by one person, compared with an existing mode that only one simple workbench is arranged for multiple people to operate, the labor force can be reduced, and the working efficiency can be greatly improved.

The invention relates to the technical field of a piano teaching accessory device, in particular to a tilting and falling prevention music stand for piano teaching. The use limitation is low; the placement angle of a music book is conveniently regulated; convenience is brought to a user; the practicability is high; the work modes are various; idle music books can be conveniently stored; and the use effect is high, so that the use reliability is improved. The tilting and falling prevention music stand for piano teaching comprises a support plate, a fixing plate and two groups of position limiting clamp buckles, wherein a fixing groove is formed in the top end of the support plate; the tilting and falling prevention music stand for piano teaching also comprises two groups of upper fixing frames, two groups of lower fixing frames, a conveying belt, a servo motor, a transmission belt, two groups of springs and a connecting plate; a group of transmission rollers is arranged on a first rotating shaft; a group of transmission rollers is arranged on a second rotating shaft; the conveying belt is arranged on the two groups of transmission rollers in a sleeving way; a driving plate is arranged on the conveying belt; a clamp plate is arranged at the bottom end of the connecting plate; the tilting and falling prevention music stand also comprises a placing plate, four groups of pulleys anda baffle plate; a placing cavity is formed in the fixing plate; a taking and placing opening is formed in the left end of the fixing plate; and two groups of slide grooves are respectively formed intwo groups of slide plates.

A water tank is installed at one end of the upper surface of a bottom plate, a negative pressure suction machine body is installed at the other end of the upper surface of the bottom plate, the water tank is connected with a cleaning hose through a water suction pump, the negative pressure suction machine body is connected with a suction hose, and a horizontal sliding groove is inwards carved in the upper surface of the bottom plate; the horizontal sliding groove is formed between the water tank and the negative pressure suction machine body, a linear motion mechanism is arranged in the horizontal sliding groove, a fixing rod is vertically installed on the linear motion mechanism, an adjusting rod is connected to the top of the fixing rod, a rectangular groove is formed in the end, away from the fixing rod, of the adjusting rod, and a U-shaped connecting buckle is installed in the rectangular groove. The oral cavity drainage device has the advantages that the oral cavity drainage device is reasonable in structure and convenient to operate and move, the placement angles of the suction hose and the cleaning hose can be conveniently adjusted, a doctor is not allowed to perform handheld operation, oral cavity drainage can be accurately realized, the working intensity of workers is relieved, and the working efficiency is improved.

The invention belongs to the automatic control teaching technology field, and especially relates to a curtain support for automatic control teaching. For an existing projection curtain support, curtain switching is inconvenient, a curtain is easy to mildew, and adjustment is inconvenient. Aiming at the above problems, the invention provides the following scheme. A winding drum is included. Telescopic rod components are rotatably connected to two ends of the winding drum. Round blocks are fixed to one ends, far away from the winding drum, of the two telescopic rod componets through bolts. Outerwalls of opposite sides of the two round blocks are rotatably connected with a same transverse shaft, a supporting plate is welded to one side of the transverse shaft, a rectangular hole is arrangedin the supporting plate, a balance weight water tank is clamped to the inner wall of the rectangular hole, a section of the winding drum is a structure shaped as a number eight, and two winding cavities are arranged in the winding drum. In the invention, different types of curtains can be accommodated conveniently, operation is simple, switching is convenient, the curtain can be heated by combining an arranged electric baking lamp tube, the curtain is ensured to be dry, the curtain is prevented from mildewing, and a service life of the curtain is prolonged.

The invention discloses a smart liquid crystal curved television, comprising a base body and a cavity arranged in the base body. The rear end of the cavity is equipped with a rotary connection rod which can be rotationally connected with the base body. The upper end of the rotary connection rod stretches out of the base body and is fixedly connected with a television screen. The rear end of the base body is fixedly equipped with a dustproof cover through a bolt. The front end of the dustproof cover covers the top of the television screen. An angle device is arranged on the top end face of the base body. A rod hole for penetration of the rotary connection rod is arranged at the core of the angle device. A first tooth wheel is arranged on the rotary connection rod at the top position of the cavity. The television is simple in integrated structure, low in production cost and safe and stable in structure. A placing angle of the television screen can be automatically adjusted and locked, so the placing angle of the television screen is automatically controlled and adjusted. A demand of a user for adjusting the placing angle of the television screen is satisfied, and the operation is simple and convenient.

The invention discloses manufacturing equipment for integrated circuit chips, which comprises a cross rod, a turnover motor is fixedly mounted on the surface of one end of the cross rod, a mounting ring is rotatably mounted at the shaft end of the turnover motor, a hollow rod is rotatably mounted on the side surface of the mounting ring, and a disc is fixedly connected to the surface of one end of the hollow rod. An empty groove is formed in the surface of one side of the disc, a rubber adsorption pad is fixedly connected to the side face of the empty groove, a negative pressure adsorption hole is formed in the surface of the rubber adsorption pad, a connecting through hole is formed in the surface of the other side of the disc, and one end of the connecting through hole is aligned to one end of the negative pressure adsorption hole. And a pressing plate is slidably mounted on the surface of the hollow rod, a mounting screw is in threaded connection with the surface of the pressing plate, and a rubber push rod is in threaded connection with one end of the mounting screw, so that use convenience and stability can be greatly improved, and high efficiency and universality of transfer manufacturing are guaranteed.

The invention relates to the field of agriculture, in particular to an agricultural eco-tourism bulletin board. The bulletin board comprises a bottom plate, two reinforcement plates, containing structures, writing boards, a sunshade structure, four supporting frames, display structures and a cleaning structure. The four supporting frames used for supporting and limiting are perpendicularly arranged between the two reinforcement plates; the sunshade structure used for sunshading and water gathering is arranged on the reinforcement plate deviating from the bottom plate; the cleaning structure used for cleaning hands is arranged on one supporting frame at the ends of the reinforcement plates; the corresponding containing structure used for storing advertising books, the corresponding writingboard used for advertising in blackboard writing and the corresponding display structure used for storing a poster are separately arranged between every two supporting frames. The corresponding containing structure used for storing and placing advertising books and advertising newspaper is arranged between every two supporting frames, in this way, the placing angle of the books and the newspaper is convenient to adjust, the contact area of the books and the containing structures is increased, the advertising books and the advertising newspaper are more convenient to place and are effectively prevented from being damaged, and the storing quality of the advertising books and the advertising newspaper is greatly improved.

The invention discloses a digital film projector with a safety protection effect, which comprises a protective shell, a protective door, a cooling mechanism, a protective cover, an adjusting mechanism, a support plate, a projector, an external thread ring and a projection debugging mechanism, and is characterized in that the protective door is connected to the protective shell through bolts, and the cooling mechanism is arranged on the protective shell; an external thread ring is fixedly connected to the outer side of the protective shell, a protective cover is connected to the external thread ring through threads, the protective cover makes contact with the protective shell, an adjusting mechanism is arranged on the protective shell, a supporting plate is fixedly connected to the interior of the protective shell, and a projector is installed on the supporting plate; the projector is in contact with the protective shell, and the protective door is provided with a projection debugging mechanism. The invention relates to a digital film projector with a safety protection effect. The digital film projector has the characteristics of being convenient to debug, convenient to adjust a placement angle and capable of preventing dust from influencing picture quality.

The invention discloses an automatic winding system for a spiral half-tube and belongs to the technical field of chemical non-standard equipment manufacturing. The automatic winding system comprises a half-tube forming machine, a roller frame and a half-tube forming machine walking mechanism. The roller frame comprises a driving roller frame body and at least one driven roller frame body. A second motor on the driving roller frame body is connected with rolling wheels on the driving roller frame body through a reducer in a transmission manner. A third motor at the end of a bed body of the half-tube forming machine walking mechanism is connected with a spiral lead screw through a coupling. The lead screw is sleeved with a supporting plate. The half-tube forming machine is fixedly arranged on the supporting plate. According to the automatic winding system for the spiral half-tube, in the winding process of the spiral half-tube, the screw pitch of the spiral half-tube is controllable, so that winding of the spiral half-tube is simpler and more precise, the personal error generated during traditional winding is reduced to a certain extent, and the labor force is reduced greatly; and the system is reasonable and simple in structural design, convenient to operate, capable of being monitored and controlled conveniently, capable of saving time and labor, efficient, economical and practical and has the good use value.

The invention discloses a curved screen of a liquid crystal display television. The curved screen comprises a base and a cavity formed in the base, wherein a spinning rod which is rotationally connected with the base is arranged at the rear end of the cavity; the upper end of the spinning rod extends out of the base and is fixedly connected with a television screen; a dust cover is fixedly arranged at the rear end of the base through bolts; the front end of the dust cover covers the top of the television screen; an angle apparatus is arranged on the top end face of the base; a rod hole through which the spinning rod penetrates is formed in the center of the angle apparatus; and a first tooth cone is arranged at a position, which is positioned on the top of the cavity, of the spinning rod. The curved screen of the liquid crystal display television disclosed by the invention is simple in overall structure, low in manufacturing cost and safe and stable in structure, and the placement angle of the television screen can be automatically adjusted and locked. Therefore, the placement angle of the television screen is automatically controlled and adjusted, the current requirements of people on adjustment of the placement angle of the television screen are met, and the operation is simple and convenient.

The invention discloses a multifunctional infrared digital night vision device convenient to use. The night vision device comprises a night vision device body, a sleeve shell, a sliding groove, a placing shell, a sponge block, a sliding plate, a moving block, a clamping block, a connecting block, a threaded hole, a camera, a fixing block, a fixing bolt, a storage battery, a placing box, a GPS positioner, a top cover, a handle, a micro display, a processor, a memory, a WiFi module, a connecting seat, a hoop, a first sponge pad and a second sponge pad. The multifunctional infrared digital nightvision device convenient to use is simple in structure and novel in design; a user can conveniently wear the infrared digital night vision device; meanwhile, the wearing comfort of a user is improved;the GPS positioner is simple in structure, convenient to use, convenient for improving the working efficiency of a user, convenient for the user to operate, convenient for placing the GPS positionerduring use, convenient for replacing and maintaining the GPS positioner, convenient to operate, convenient for an administrator to position the user at any time, convenient for the administrator to master the position of the user, and suitable for the user to use.

The invention discloses a medical child hand restraint device, and relates to the technical field of medical instruments, the medical child hand restraint device comprises a device body, a containing groove is formed in the device body, an adjusting device is arranged in the containing groove, and one side of the device body is rotatably connected with a palm placing plate through the adjusting device. When a hydraulic cylinder moves and extends, a buffer spring is driven to stretch, a gear rotating plate rotates clockwise, a rotating angle folding rod, a lap joint block, the gear rotating plate and a palm placing plate rotate clockwise at the same time, and during rotation, a sponge pressing block, an arc-shaped soft cushion and the angle folding plate above the palm placing plate are driven to rotate at the same time and are not separated from fingers, so that the design is more humanized; and when the palm placing plate rotates anticlockwise by more than 90 degrees, the palm placing plate can be reset due to the gravity of the palm placing plate, so that the palm placing plate is prevented from rotating anticlockwise by an overlarge angle, a certain safety assisting effect is achieved, the placing angle is convenient to adjust, and the treatment efficiency is improved.

The invention provides a photo wall photo fixing device which comprises a welding block, a hand wheel, a placing frame, a fixing seat, a fragrance bag, a breathable plate, a partition plate and a ventilation fan. The welding block is mounted on the front end face of the placing frame, the front end face of a supporting rod is provided with the fixing seat, a movable rod is assembled on the inner side of the fixing seat, the hand wheel is fixed on the right end face of the movable rod, fixed teeth are assembled on the annular side of the movable rod, and the left end face of the movable rod isprovided with a limiting block. According to the design, the problem that the replacement of an existing photo wall photo fixing device is not flexible and convenient enough is solved. The fragrance bag is mounted on the inner wall of the placing frame, the partition plate is mounted in the placing frame, the breathable plate is assembled on the upper end face of the partition plate, and the leftend face of the placing frame is provided with the ventilation fan. According to the design, the problems that the accommodating of the original photo wall photo fixing device is not convenient enoughand an effect of protection of accommodated articles is insufficient are solved. The photo wall photo fixing device is reasonable in structure, convenient to combine and install, good in accommodating protection effect, and convenient to place and adjust.

The invention discloses a smart liquid crystal curved television, comprising a base body and a cavity arranged in the base body. The rear end of the cavity is equipped with a rotary connection rod which can be rotationally connected with the base body. The upper end of the rotary connection rod stretches out of the base body and is fixedly connected with a television screen. The rear end of the base body is fixedly equipped with a dustproof cover through a bolt. The front end of the dustproof cover covers the top of the television screen. An angle device is arranged on the top end face of the base body. A rod hole for penetration of the rotary connection rod is arranged at the core of the angle device. A first tooth wheel is arranged on the rotary connection rod at the top position of the cavity. The television is simple in integrated structure, low in production cost and safe and stable in structure. A placing angle of the television screen can be automatically adjusted and locked, so the placing angle of the television screen is automatically controlled and adjusted. A demand of a user for adjusting the placing angle of the television screen is satisfied, and the operation is simple and convenient.

The invention belongs to the electronic product technical field and discloses a placement angle adjustment-facilitated electronic calendar. The placement angle adjustment-facilitated electronic calendar comprises a bracket; one end of the bracket is fixedly connected with a first rotating shaft; the other end of the bracket is fixedly connected with a second rotating shaft; the outer side of the first rotating shaft is rotatably connected with a demonstration panel; a display screen is fixedly mounted on the surface of the demonstration panel; a printed circuit board is fixedly mounted at thebottom of the display screen; the printed circuit board is fixedly mounted inside the demonstration panel; the bottom end of the demonstration panel is fixedly connected with a placement seat; the lower surface of the placement seat is fixedly connected with an anti-slip mat; and the outer side of the second rotating shaft is rotatably connected with a fixing plate. According to the placement angle adjustment-facilitated electronic calendar of the invention, the first rotating shaft and the second rotating shaft are adopted; the display demonstration can be adjusted through the first rotatingshaft, so that it can be ensured a user can conveniently observe time and date; and the placement angle of a solar panel on the fixing plate can be adjusted through the second rotating shaft, and therefore, it can be ensured that the solar panel can effectively absorb sunlight.

The invention is applicable to the field of teaching aids, and provides a music score recognition plate for music teaching. The device comprises a score recognition plate body; a first T-shaped fixing seat; a second T-shaped fixing seat; an angle adjusting protection assembly which comprises a horizontal bottom plate, a rotary positioning seat and a rotary supporting pressing plate; and a limiting assembly; the problems that the angle of an existing music score recognition plate body cannot be adjusted, and the music score recognition plate lacks protection when not in use are solved.

The invention discloses a microphone testing device, and relates to the technical field of microphone detection equipment. The microphone detection device comprises an oscillation feeder convenient for conveying microphones, and further comprises a feeding adjustment module convenient for adjusting the placement angle of the microphones and improving the detection efficiency of the microphones; and the screening test mechanism is convenient for detecting and screening different types of microphones. According to the invention, through mutual cooperation of the angle adjusting motor, the turbine, the angle adjusting base, the test module and the image collection element, the device is convenient to adjust the placement angle of the microphone, is convenient to test different types of microphones, avoids manual test of pin type microphones, improves the test efficiency of the microphones, and reduces the cost. And through mutual cooperation of a material jacking air cylinder, a limiting ring, a first sliding way, a second sliding way and a screening guide plate, the device can conveniently screen different types of microphones, the application range of the device is widened, and the device is convenient to use.

The invention discloses a cleaning device for the surface of a solar photovoltaic panel of a new energy street lamp. The cleaning device comprises a fixed frame, a sliding groove, a fixed plate, a connecting frame, a rotating rod, a rotating shaft, a spring, a fixed block, connecting cloth, a fixed side plate, a fixed seats, a cleaning brush, a sliding block, a connecting plate, a fixing bolt, a bottom plate, a connecting frame, a connecting rope, a pull ring, a rotating block, a screw and a pipe clamp. The cleaning device is simple in structure and novel in design; under the action of an arranged cleaning mechanism; a worker can conveniently clean the surface of the solar photovoltaic panel for the street lamp by manually moving the pull ring at any time, thereby guaranteeing the surface cleanness of the solar photovoltaic panel, improving the working efficiency of the solar photovoltaic panel, facilitating the adjustment of the placement angle of the fixing frame under the action of the arranged rotating mechanism, guaranteeing that the fixing frame and the solar photovoltaic panel sleeved with the fixing frame are placed in parallel, and enabling a cleaning brush of the cleaning mechanism to conveniently clean substances on the surface of the solar photovoltaic panel.

The invention discloses an application method of an automatic winding system of a half spiral tube, belonging to the technical field of chemical engineering nonstandard equipment manufacture. The application method comprises the steps: mounting and fixing a roller carrier; placing a cylinder on the roller carrier; mounting a half spiral tube molding machine and a half spiral tube molding machine traveling mechanism; adjusting the horizontal discharge angle alpha of the half spiral tube molding machine; in a debugging mode, fitting the bend radius of the rolled half annular tube with the outer wall of the cylinder; then leading the molded half tube to a starting position of winding of the half tube outside the cylinder, welding the front end of the half tube with the cylinder for a section for fixation; starting a first motor, a second motor and a third motor simultaneously, evenly winding the molded half tube around the outer wall of the cylinder, performing spot welding once every 500mm by an electric welder; stopping system operation when the half tube is wound to an end position, cutting the surplus half tube; and welding fillet weld between the half tube and the cylinder to finish winding. The application method can realize automatic winding of the half spiral tube, has a controllable thread pitch and accuracy in winding, and is time-saving, labor-saving, high in efficiency, better in effects in mass production, economical and practical.

The invention discloses a curved screen of a liquid crystal display television. The curved screen comprises a base and a cavity formed in the base, wherein a spinning rod which is rotationally connected with the base is arranged at the rear end of the cavity; the upper end of the spinning rod extends out of the base and is fixedly connected with a television screen; a dust cover is fixedly arranged at the rear end of the base through bolts; the front end of the dust cover covers the top of the television screen; an angle apparatus is arranged on the top end face of the base; a rod hole through which the spinning rod penetrates is formed in the center of the angle apparatus; and a first tooth cone is arranged at a position, which is positioned on the top of the cavity, of the spinning rod. The curved screen of the liquid crystal display television disclosed by the invention is simple in overall structure, low in manufacturing cost and safe and stable in structure, and the placement angle of the television screen can be automatically adjusted and locked. Therefore, the placement angle of the television screen is automatically controlled and adjusted, the current requirements of people on adjustment of the placement angle of the television screen are met, and the operation is simple and convenient.