30results about How to "Winding method is simple" patented technology

The invention discloses an endoscopic esophageal variceal ligation apparatus which comprises a ligation outer tube and an endoscope connecting base. The ligation outer tube is in a cone shape of which the front part is thin and the rear part is thick; a ligation inner tube is arranged in the ligation outer tube; the front end of the ligation inner tube is in sealing connection with the front end of the ligation outer tube; the rear end of the ligation inner tube is connected with a negative pressure suction tube; a plurality of positioning holes are distributed at an equal interval front and back on the side wall of the ligation outer tube; a positioning pin is arranged in each positioning hole; a pulling ring is arranged at the inner end of each positioning pin; the pulling rings of a plurality of positioning pins are fixedly connected with a stay wire; the ligation outer tube is sleeved with rubber rings of which the number is equal to that of the positioning pins; each rubber ring is respectively limited by one positioning pin to be prevented from sliding forwards by the self. The endoscopic esophageal variceal ligation apparatus has a simple, small and compact structure, can be used for continuously carrying out ligation and is high in efficiency; the endoscopic esophageal variceal ligation apparatus is convenient and rapid to operate and works stably and ligation success efficiency is improved; moreover, the esophageal wall cannot be contused, so that pain of a patient is reduced and the infection risk is reduced.

The invention provides a rope-free curtain used for simplifying the winding mode of a digging rope. According to the technical scheme, the rope-free curtain comprises a moving part, an extensible part, a pulling rope fixing base and a pulling rope. One end of the extensible part is used for being fixedly connected with an external environment, the other end of the extensible part is connected with the moving part, and the moving part moves left and right along with the extensible part. The pulling rope fixing base is used for being fixedly connected with the external environment. The moving part is provided with at least one first transverse pillar which is transversely arranged, the pulling rope fixing base is provided with at least one second transverse pillar which is transversely arranged, and the pulling rope which penetrates through a curtain body bypasses the first transverse pillar and the second transverse pillar and then is fixed on the moving part or the pulling rope fixing base.

A double-splitting photovoltaic variable structure comprises a barrel-shaped high-voltage coil (1) and a first low-voltage coil (2.1) and a second low-voltage coil (2.2) which are located in the high-voltage coil (1), the first low-voltage coil (2.1) and the second low-voltage coil (2.2) are axially arranged, a gap is formed between the first low-voltage coil (2.1) and the second low-voltage coil (2.2) in the axial direction, the first low-voltage coil (2.1) is provided with a first conductive copper bar (3.1), and the second low-voltage coil (2.2) is provided with a second conductive copper bar (3.2); the double-splitting photovoltaic variable structure further comprises a first transposition copper bar (3.3) and a second transposition copper bar (3.4) which are internally embedded in the low-voltage coils, and the two ends of the first transposition copper bar (3.3) and the two ends of the second transposition copper bar (3.4) are welded to the first low-voltage coil (2.1) and the second low-voltage coil (2.2) respectively.

The invention relates to the technical field of photovoltaic panel cleaning equipment, in particular to a photovoltaic panel self-cleaning device and a photovoltaic panel cleaning robot. The photovoltaic panel self-cleaning device comprises a photovoltaic panel, a frame, a cleaning assembly and a pull rope. At least two edges of the photovoltaic panel and the frame are clamped, the cleaning assembly is crossed over the photovoltaic panel, the two ends of the cleaning assembly are in sliding connection with the frame, and the pull rope is fixedly connected with the two ends of the cleaning assembly. The photovoltaic panel cleaning robot comprises the photovoltaic panel self-cleaning device. The photovoltaic panel self-cleaning device is directly installed on the photovoltaic panel cleaningrobot and moves along with the robot, dust on the photovoltaic panel of the cleaning robot can be cleaned at any time, the two edges of the photovoltaic panel and the frame are clamped, the frame andthe robot are fixedly connected, the installing structure is simplified, and it is ensured that the photovoltaic panel is stably installed.

The invention relates to the technical field of a transformer coil winding method, and specifically relates to a transformer foil type coil winding method. The winding method comprises the following steps of: (1) selecting a proper winding former according to the inner diameter of a coil, and suspending and clamping the winding former on a spindle of a winding machine; (2) taking out a copper busbar going out of the coil, flatly shearing the end part of a copper foil synchronously, pulling out the copper foil, inserting the copper foil into a welder crack of the winding machine, and welding a prepared internally led-out uranium busbar on the copper foil; and (3) pulling back the copper foil, fixing the internally led-out copper busbar of the coil in a winding former groove, and then winding the coil. According to the invention, the existing winding machine is used for directly winding the coil without new devices and tools, the short-circuit resistance is improved, and the stability of the winding to impact over-voltage is improved.

The invention relates to a primary coil winding structure of a power supply transformer. In the structure, when an input voltage on a primary side is transformed between 220V and 380V, an output voltage on a secondary side is unchanged. A primary coil of the transformer comprises a first winding wire, a second winding wire and a third winding wire, wherein the turn number of the first winding wire is N11, and the first winding wire has a first connecting end and a second connecting end; the turn number of the second winding wire is N12, and the second winding wire has the second connecting end and a third connecting end; the turn number of the third winding wire is N13, and the third winding wire has a fourth connecting end and a fifth connecting end; the turn number N13 of the third winding wire is equal to the turn number N12 of the second winding wire; the ratio of the turn number N11 of the first winding wire to the turn number N12 of the second winding wire is 3: 8; when the input voltage on the primary side of the transformer is 220V, the third and second winding wires are connected in parallel; and when the input voltage on the primary side of the transformer is 380V, the third and second winding wires are connected in series. The winding method of the invention has the advantages of simplicity, winding cost reduction, convenient connection operation, safety and reliability.

The invention provides a precision controllable linear driver comprising a base, a mover part and at least one drive member. The base is provided with a first cavity allowing relative movement of the mover part and a second cavity used for holding the drive members. The mover part comprises two outer end parts and a middle part; the outer end parts are detachably and rigidly connected with or integrated to the middle part; the mover part is made of permeability magnetic material; magnetic circuit structures in mutual action are formed between the drive members and the mover part. The invention further provides a combined precision controllable linear driver based on the precision controllable linear driver. The precision controllable linear driver and its combination are simple in structure and light in weight and meet the need of the modern industry for precision control drive equipment.

The invention discloses a six-guide-wheel multi-line cutter. The six-guide-wheel multi-line cutter comprises a rack, a work line roller, a worktable, a worktable driving device, a reverse wheel, a first line roller, a first auxiliary wheel, a first adjusting wheel, a first tensioning wheel, a second line roller, a second tensioning wheel, a second adjusting wheel and a second auxiliary wheel. The work line roller comprises three triangularly-arranged work main shafts. The reverse wheel is arranged on one side of the work line roller. The first line roller, the first auxiliary wheel, the first adjusting wheel, the first tensioning wheel, the second line roller, the second tensioning wheel, the second adjusting wheel and the second auxiliary wheel are arranged on the other side of the rack. The first line roller, the first auxiliary wheel, the first adjusting wheel and the first tensioning wheel are arranged in sequence from bottom to top. The second tensioning wheel, the second adjusting wheel, the second auxiliary wheel and the second line roller are arranged on one sides of the first line roller, the first auxiliary wheel, the first adjusting wheel and the first tensioning wheel in sequence from top to bottom. A steel wire is wound through the six guide wheels, the winding mode is simple, under the premise of completing functions, each work cycle time is reduced greatly, and the time cost of the equipment is also reduced to a certain extent.

The invention provides a transformer flat wire vertical winding coil manufacturing tool applied to the technical field of transformers and further relates to a transformer flat wire vertical winding coil manufacturing method. The tool is characterized in that a mounting groove hole (2) is formed on a tool bottom plate (1) of the transformer flat wire vertical winding coil manufacturing tool, a threaded sleeve (3) is mounted in the mounting groove hole (2), a threaded hole (4) is arranged in the threaded sleeve (3), a middle rod (6) is movably mounted on a stud (5), a threaded part (7) is arranged at a lower end of the middle rod (6), the middle rod (6) is movably screwed with the threaded hole (4) in the threaded sleeve (3) through the threaded part (7), and a starting pressing part (8) isfurther arranged on the tool bottom plate (1). According to the transformer flat wire vertically-wound coil manufacturing tool and the coil manufacturing method, winding manufacturing of the flat wire vertically-wound coil can be conveniently and rapidly achieved, when different types of flat wires are replaced or different types of coils are manufactured, only a small number of parts of the toolneed to be replaced, the manufacturing cost is reduced, and the machining time is saved.

The invention provides a rope-free curtain for simplifying a winding mode of a traction rope. According to the specific technical scheme, the rope-free curtain comprises a telescopic component, a movable wire sliding set, a wire fixing seat set and the traction rope; one end of the telescopic component is fixed, and the other end of the telescopic component is connected with the wire sliding set; the wire fixing seat set is fixed and connected with the wire sliding set through the traction rope.

The invention discloses a motor stator, a manufacturing method of the motor stator and a hairpin motor. Independent loops forming the first-phase winding, the second-phase winding and the third-phase winding in the motor stator are respectively and sequentially arranged in three adjacent continuous winding grooves in a staggered manner, each independent loop is formed by alternately connecting winding coils with the span of (1+3m) winding grooves, and m is a positive integer; a repeated winding unit is contained in three adjacent winding grooves forming an independent loop and having the span of (1+3m) winding grooves, and the repeated winding unit is formed in the three adjacent winding grooves through two-time lap winding, one-time wave winding and two-time lap winding. The number of conductors in each winding groove is set to be odd number layers, the winding mode is simple, the adjustability of the number of turns of the winding is improved, the power and torque during motor design are balanced, the collector ring is simplified, and the wire outlet height is reduced.

The embodiment of the invention discloses a transformer and a DC/DC converter and relates to the technology of transformers. According to the transformer and the DC/DC converter, the size of a magnetic material is reduced, the limitation on the increase of power is eliminated, and the coupling performance and noise output performance are improved. The transformer comprises a magnetic core and a framework, wherein the magnetic core is a surface mount device, the framework comprises a cylinder, neither end of the cylinder is provided with a bottom, the outer wall of each end of the cylinder is provided with two fan-shaped surfaces which are in axial symmetry, the distance between the two fan-shaped surfaces on the outer wall of one end is equal to the distance between the two fan-shaped surfaces on the outer wall of the other end, the fan-shaped surfaces are perpendicular to the surface of the cylinder, and a winding is arranged on the surface of the cylinder and is led out through notches between the fan-shaped surfaces. The transformer is mainly used for the DC/DC converter.

The invention relates to the technical field of motors, in particular to a motor device and an electric toothbrush. The motor device comprises a shell; a motor shaft, an insulation wire frame and at least one pair of stator iron cores are arranged in the shell, a magnetic steel structure is arranged in each stator iron core, the insulation wire frame comprises a first framework and a second framework, and a first connecting frame body is arranged between the first framework and the second framework and is connected through the first connecting frame body; the first framework is provided with an open groove, the stator iron core comprises a first arc-shaped punching sheet and a second arc-shaped punching sheet, and a second connecting frame body is arranged between the first arc-shaped punching sheet and the second arc-shaped punching sheet and connected with the first arc-shaped punching sheet and the second arc-shaped punching sheet through the second connecting frame body. Accordingto the invention, the stator iron core slides into the insulating wire frame; the coil winding, the stator core and the insulation coil holder are assembled in a split independent structure, so that the space structure in the insulation coil holder is expanded, the winding mode of the coil is simplified, the electromagnetic assembly with higher output power can be accommodated in the insulation coil holder, the motor can transmit higher torque, and the motor performance is improved.

The invention discloses a modular filter consisting of a winding iron core and a three-phase winding ABC, wherein the winding iron core is formed by overlapping a plurality of steel discs. The modular filter is characterized in that the winding iron core is provided with three wrapping posts; the first winding of a three-phase line is respectively wound on the three wrapping posts in sequence; the second winding of the three-phase line is wound as follows: phase A is wound below phase B wound below phase C, phase C is wound below phase A; the third winding of the three-phase line is wound as follows: phase A is wound below phase C wound below phase B, phase B is wound below phase A; and in the winding method, current flowing past phase A and opposing windings wound on the iron cores of phase B and phase C are utilized to offset partial current of phase B and phase C, thereby preventing the generation of harmonics.

The invention discloses a magnetizing fixture for multi-pole magnetization of the outer circumference surface of an annular magnet. The magnetizing fixture comprises a tubular substrate with an upper open end and a lower open end and 2n magnetizing coils, wherein n is an integer more than or equal to 1; each magnetizing coil includes a spiral magnetizing pole head and a multi-turn lead winding on the spiral magnetizing pole head; the spiral magnetizing pole head takes the shape of a spiral which is formed by stretching along a cylindrical spiral from a horizontal reference plane; the spiral magnetizing pole head is provided with a left curved surface, a right curved surface, an upper end face, a lower end face, an internal cylindrical surface and an external cylindrical surface; one lead is formed into the multi-turn lead by uniformly winding on a closed ring surface formed by the left curved surface, the right curved surface, the upper end face and the lower end face of the spiral magnetizing pole head. The magnetizing fixture adopts the winding manner of winding the single lead, thus being simple in winding mode, uniform in winding displacement, high in magnetizing field energy and magnetizing consistency; and furthermore, due to the single lead, the potential safety hazard of electric leakage caused by damage is inexistent, and thereby the magnetizing fixture is high in safety.