26 results about "Coil insertion" patented technology

Provided is an array device for a hairpin type stator coil. The array device, configured to array hairpin type stator coils on at least one array jig transported through a conveyor, may include i) a frame, ii) at least one magazine that is arranged in a magazine stack part installed in the frame and has the stator coils loaded along a set loading direction, iii) a magazine loading unit that is installed in the frame to load the at least one magazine into a magazine tilting part arranged in front of the magazine stack part, iv) at least one buffer unit that is arranged in front of the magazine tilting part, v) at least one cartridge unit that is arranged in front of the at least one buffer unit, and vi) a coil insertion unit that is arranged in front of the at least one cartridge unit to insert the stator coils.

The present invention relates to a hairpin wound around a stator and, more specifically, to a hairpin with improved ease of manufacture and assembly. In the hairpin and a method for manufacturing and assembling the hairpin according to the present invention, the hairpin includes at least two bending parts, and thus, when applied to an induction motor having a low number of poles, prevents the end height of a coil assembly comprising the hairpin from becoming excessively high, reduces manufacturing costs, and can ensure motor performance. Moreover, when a plurality of the hairpins are inserted into the stator, a portion of the overlapping parts of the hairpins is bent toward the outside of the center of the stator, thereby having the effect of making it easy for the plurality of hairpins to be inserted overlapped.

The utility model discloses an automatic rod coil assembling and detecting production line which comprises transfer jig conveying belts at the upper end, the lower end and the right side end, magnetic core assembling machines are arranged above the two sides of the transfer jig conveying belt on the right side, and a mechanical arm is arranged between a winding machine and the magnetic core assembling machines. The transfer jig conveying belt at the lower end penetrates through the drying furnace and then reaches the image detector on the left side; the tray placing area is arranged at the upper end of the left side, and the tray placing robot is arranged between the tray placing area and the image detector. The utility model has the advantages that the coil cannot be damaged when falling off, and the relative position of the coil and the magnetic bar cannot be changed during drying; in addition, the magnetic bar can be inserted into the coil while changing shaking, and interference between the magnetic bar and the coil is prevented; in addition, a two-time positioning method is adopted, so that the accuracy of the coil insertion position is ensured.

The utility model discloses a coil inserting machine. The automatic coil inserting device comprises a rack, an assembly line module arranged on the rack and used for transferring a circuit board, a feeding module arranged beside the assembly line module and used for providing a coil, and a plug-in manipulator module arranged between the feeding module and the assembly line module and used for grabbing the coil and installing the coil on the circuit board. The positioning and moving module is arranged below the assembly line module and is used for positioning circuit board matched plug-ins; and the detection device is arranged below the plug-in manipulator module and is used for acquiring coil pin information. The detection device is arranged below the plug-in manipulator module to detect the positions of the pins at the bottom of the coil, so that the plug-in manipulator module can obtain the accurate positions of the pins according to the detection device after grabbing the coil, and the coil is inserted into a hole site in a circuit board; production interruption caused by mismatching of the coil pins and the hole sites of the circuit board can be avoided, damage and deformation of the coil pins to the circuit board can be prevented, and meanwhile production efficiency can be improved.

The invention relates to an electromagnetic excitation system (1) for an electromagnetic brake (2) or clutch, comprising an electromagnet (10) and a permanent magnet (40), the electromagnet (10) comprising a pot-shaped and annular housing (20) about a longitudinal axis (L), the housing (20) having an inner ring portion (22), an outer ring portion (24), a bottom portion (26) connecting the inner ring portion (22) and the outer ring portion (24), and an excitation coil (30), an excitation coil (30) is inserted between an inner ring portion (22) and an outer ring portion (24) in a housing (20), a free end of the outer ring portion (24) forms a magnetic pole (15), a permanent magnet (40) is provided on a flange (50) on a side away from the excitation coil (30), and the flange (50) is provided on a side away from a bottom portion (26) of the excitation coil (30) and protrudes from the inner ring portion (22) toward the outer ring portion (24), an air gap (60) is formed between the flange (50) and the outer ring portion (24).

This motor has a stator having an annular stator core having a plurality of slots arranged in a circumferential direction, a plurality of coils inserted into the plurality of slots, and a plurality of plate-like bus bars connected to the plurality of coils. The plurality of bus bars each have a bus bar body part extending along the circumferential direction, and a bus bar connection part that extends from the bus bar body part toward a first direction, which is one side in a normal direction with respect to each of the circumferential direction and a plate thickness direction of the bus bar. The plurality of coils are formed by winding rectangular wiring around the stator core, and have a coil end part disposed separated from the bus bar body part in the first direction. The bus bar connection part has: a support part that comes into contact with a portion of the coil end part in a second direction opposite to the first direction and defines the position of the coil end part in a central axis direction; and a first surface contact part and a second surface contact part that make surface-to-surface contact with a first surface, which is one surface of the coil end part in the plate thickness direction, and a second surface, which is the surface on the other side.

The method for manufacturing a stator comprises: a segment coil insertion step in which a segment coil (30) having a coil end part (32A) serving as a coil end section (32) is inserted into each of a plurality of slots (13) of a stator core (10) such that the coil end part projects from an end face (10a) of the stator core in an axial direction along the axial direction to an outer surface in the axial direction; and a bending step in which, after the segment coil insertion step, each of a plurality of the coil end parts is bent in a circumferential direction of the stator core up to a tip end section (32Aa) of each of the plurality of coil end parts by moving a bending tool (200) relative to the stator core in a direction along the circumferential direction, each of the plurality of coil end parts being inserted into a recess (201) of the bending tool, the recess extending along the coil end part.

Provided is a clamping device for manufacturing a stator with hairpin-type coils. The device includes a main body, a sub-body that moves vertically, a core inner clamper that grips the stator core's inner diameter, and a coil inner clamper for lower coil portions. A shuttle plate and lifting plate support an upper coil clamp unit above a lower coil clamp unit, both positioning the stator core and coils at multiple angles for processes like coil insertion or welding. At least one sub-actuator moves the lower coil clamp independently from the lifting plate, allowing precise coil engagement. The upper and lower coil clamp units each includes clamp needles with multiple contact surfaces for radial and lateral clamping. By stabilizing the coils during production, the device minimizes positional errors and improves manufacturing efficiency.

This rotary electric machine includes: a stator having an annular stator core having a slot into which a coil is inserted and a flow path through which a cooling fluid for cooling a coil end of the coil flows; and a rotor. The flow path is composed of a coil end cover covering the coil end and a connection plate part constituting a part of a radially outer side surface of the flow path. The connection plate part has a conductor exposure part electrically connected to the coil and provided so as to protrude outward in the radial direction. A temperature sensor is attached to the conductor exposure part.

The utility model discloses a four-leg coil insert which comprises a spring cylinder, four sets of supporting legs are distributed on the outer side of the spring cylinder, each supporting leg is composed of a vertical part, a bent part and a horizontal part, a connecting sleeve is fixed in the spring cylinder, an inner thread is arranged on the inner wall of the connecting sleeve, a steel column is arranged in the connecting sleeve, and the steel column is connected with the spring cylinder. And external threads are arranged on the outer side wall of the steel column. The embedded part has the advantages that an original integrated embedded part is divided into four sets of independent inserting parts, the positions of the inserting parts can be adjusted according to actual conditions in the embedding process, applicability is high, operation is convenient, the project progress is accelerated, meanwhile, four sets of supporting legs of L-shaped structures are arranged at each corner, and the supporting legs are convenient to use. The embedded part is equivalently provided with sixteen connecting points with concrete, the stress performance and stability of a concrete structure can be enhanced, the bearing capacity and shock resistance of the structure are effectively enhanced, and therefore the overall safety and durability of a building are improved, and the embedded part has high use performance.

The utility model discloses an electrical threading apparatus for building electrical construction, and relates to the technical field of building electrical construction equipment, the electrical threading apparatus comprises a steel wire harness, one end of the steel wire harness is provided with a guide assembly, and the other end of the steel wire harness is provided with a plugging assembly; the plugging assembly comprises a cylindrical shell which is fixedly connected with the end part of the steel wire harness, one end of the cylindrical shell is provided with a plurality of coils, the coils extend into the cylindrical shell, and the coils are fixedly connected with a plurality of elastic clamping plates which are arranged in the cylindrical shell. According to the electrical threading apparatus for building electrical construction, a cable is inserted from a coil, a knob is operated, a worm is driven to rotate, a worm gear, a rotating shaft and a threaded rod are further driven to rotate, a connecting plate slides along a guide rod, a conical ring sleeve is driven to push an elastic clamping plate, the elastic clamping plate more tightly clamps the cable, and the cable is prevented from falling off in the threading process; and the operation does not need to bend the cable, so that the threading task can be completed more conveniently and efficiently.

A coil insertion device includes coil diameter expanders, the coil diameter expanders being configured to insert a coil assembly in a wound state into slots of a stator core by expanding the coil assembly in diameter from inside of the stator core, each of the coil diameter expanders includes: a coil presser that is arranged inside the coil assembly and presses coil end portions of the coil assembly outward from inside to expand the coil end portions in diameter; and a restrictor that is arranged outside the coil assembly, restricts outward movement of the coil end portions expanded in diameter by the coil presser, and sandwiches the coil end portions of the coil assembly inserted in the slots with the coil presser.

The present invention is to solve the problem of providing a stator assembly device that is capable of inserting a coil into a slot without biting into an installed insulating member in the slot when the coil is inserted into the slot from the inside of a stator core. To solve the above problem, the stator assembly device is provided with a leading guide member that is disposed so as to be movable in the direction of the central axis of the stator core, that by moving toward the stator core, inserts into the inside of the insulating member before the coil is inserted, in a state in which at least a portion is fitted inside the open end of the insulating member, and that is disposed in front of the moving direction of the coil that moves toward the slot. The leading guide member has a quadrilateral shape in the length direction, has a shape that is inclined with one end portion side in the radial direction of the stator core as a vertex, and is tapered toward the front end along the center line in the radial direction of the stator core, and the vertex is disposed on the radial direction outside of the stator core.

A stator includes: a stator core with a slot; a coil attached to the stator core with a part of the coil inserted into the slot; and insulating paper. An opening of the slot in an end surface of the stator core that faces an axial direction includes an expanded portion whose width is increased in a direction in which a coil end portion of the coil that protrudes from the end surface is bent. The insulating paper is inserted into the slot to insulate the stator core from the coil, and accommodated in the expanded portion with a part of the accommodated insulating paper overlapping twice or more.

A medical manipulator includes a multi-lumen tube including a flexible portion and a bending portion at a distal end of the flexible portion, a distal-end portion at a distal end of the bending portion, a proximal-end portion at a proximal end of the flexible portion, wires causing the bending portion to be bent, a reinforcement coil one end thereof being secured to the distal-end portion and the other end thereof being secured to the proximal-end portion, a flexible-portion cover member, and a bending-portion cover member formed more flexible than the flexible-portion cover member. The flexible and bending portions include a first lumen passing through the tube and into which the coil is inserted, and second lumens passing through the tube at positions farther outside than the first lumen is and into which the wires are inserted. The coil is disposed along an inner surface of the first lumen.

Arrangement for charging an energy storage device of an electrically powered vehicle, wherein a contactless energy transfer to the vehicle is carried out by inductively coupling a primary coil (4) to a secondary coil provided in the vehicle, by allowing the primary winding (41) to be inserted into a recess (5) surrounded by the secondary winding (40), wherein the primary coil (4) is incorporated in a unit which is essentially in the form of a fuel nozzle for refueling a vehicle with a gasoline engine, wherein a sensor is provided for detecting the insertion of the primary coil (4) and means for contactless data transmission are provided, wherein the primary coil (4) has a cylindrical outer shape, wherein the axial length of the cylinder exceeds twice the diameter of the cylinder, characterized by the fact that the primary coil (4) has a ferrite core (42), wherein a retaining tube part (46) or a retaining solid tube part is attached to the housing part (3), onto which the ferrite core (42), in particular its ferrite rings, is placed, wherein the primary coil (4) is attached to a housing part (3) to which a retaining bracket is also attached and into which the primary conductor cable (1) supplying the primary winding (41) of the primary coil (4) is also inserted and wherein the primary coil (4) and the entry direction of the primary conductor cable (1) into the housing part (3) have an angle to each other between 90° and 180°, i.e. do not run parallel.

The utility model discloses a double-positioning inserting device for a coil and a magnetic bar. The double-positioning inserting device comprises a magnetic bar conveying jig, a magnetic bar pneumatic claw, a manipulator and a coil pneumatic claw, the magnetic bar conveying jig is connected with the vibration hopper through a rail, and a propelling air cylinder is arranged at the rear end of the magnetic bar conveying jig. The positioning device further comprises a first positioning rod and a second positioning rod, and the first positioning rod and the second positioning rod are both arranged on the positioning seat. The magnetic bar pneumatic claw is fixed on a magnetic bar pneumatic claw seat with an XYZR function; the manipulator is located between the winding machine and the first positioning rod and can insert a coil wound by the winding machine into the first positioning rod; and the coil pneumatic claw is arranged on a coil pneumatic claw seat with an XYZR function. The utility model has the advantages that the magnetic bar can be inserted into the coil while changing shake, and interference between the magnetic bar and the coil is prevented; in addition, a two-time positioning method is adopted, so that the accuracy of the coil insertion position is ensured.

The present disclosure provides an arrangement device for hairpin type stator coils. An arrangement apparatus configured to arrange hairpin-type stator coils on at least one arrangement jig conveyed by a conveyor may include: i) a frame; ii) at least one cartridge arranged in a cartridge stacking part mounted in the frame and having a stator coil loaded along a set loading direction; iii) a magazine loading unit installed in the frame to load at least one magazine into a magazine tilting member disposed in front of the magazine stacking member; iv) at least one buffer unit arranged in front of the magazine tilting member; v) at least one cassette unit arranged in front of the at least one buffer unit; and vi) a coil insertion unit arranged in front of the at least one cartridge unit to insert the stator coil.

The present invention is to suppress the coil end portion after the insertion into the slot from returning to the inside due to the springback, and to improve the operability of the coil insertion work. In order to solve the above problem, a coil insertion device is provided with a coil expanding means which expands the coil assembly in the wound state from the inside of the stator core, thereby inserting the coil assembly into the slot of the stator core, the coil expanding means having: a coil pressing portion which is arranged on the inner side of the coil assembly, presses the coil end portion of the coil assembly from the inside to the outside, and expands the coil end portion; and a restriction portion which is arranged on the outer side of the coil assembly, restricts the movement of the coil end portion expanded by the coil pressing portion to the outside, and sandwiches the coil end portion of the coil assembly inserted into the slot between the coil pressing portion.

An AC electric machine (31) comprising: a stator (20) having a plurality of teeth (101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112) and a plurality of slots (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12) distributed along a circumferential direction (X); a rotor (30) rotatable in opposition to the stator (20); a concentrated winding layout (100) comprising a plurality of coils (201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212) wound respectively on the plurality of teeth (101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112) and belonging to at least six phases (A1, A2, B1, B2, C1, C2), the coils being wound so that, when considering three adjacent coils, the middle coil is interposed between one coil wound in the same direction of the middle coil and another coil wound in the opposite direction of the middle coil, wherein the plurality of slots (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12) comprises a first odd / even slots set (1, 3, 5, 7, 9, 11) and a second even / odd slots set (2, 4, 6, 8, 10, 12), each coil (201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212) in the first slots set (1, 3, 5, 7, 9, 11) being connected to an input conductor (401, 402, 403, 404, 405, 406) or to a neutral conductor (N1, N2) of one phase (A1, A2, B1, B2, C1, C2), each interconnection (301, 302, 303, 304, 305, 306) extending between two respective slots of the second slots set (2, 4, 6, 8, 10, 12).

A rotating electrical machine according to the present invention comprises: a stator including a stator core in which a slot is formed and a coil inserted into the slot; a rotor that faces the radial-direction inner side of the stator with a prescribed gap therebetween and rotates about an axis parallel to the axial direction; a housing that accommodates the stator and the rotor; and a guide member having a protrusion. The rotor comprises a discharge port through which a coolant is discharged toward a coil end that is part of the coil protruding from the slot. The guide member is disposed on at least a portion of the surface of the coil end that faces the discharge port, which is disposed radially outward of the coil end.

A method for producing a stator includes: a segment coil insertion step of inserting a segment coil including a coil end part serving as a coil end portion into each of a plurality of slots of a stator core such that the coil end part protrudes from an end surface of the stator core in an axial direction to an outer side in the axial direction; and a bending step of bending each of a plurality of the coil end parts in a circumferential direction of the stator core up to a tip end portion of each of the plurality of coil end parts by relatively moving a bending jig with respect to the stator core in a direction along the circumferential direction with each of the plurality of coil end parts inserted into a recess of the bending jig, the recess extending along the coil end part.

The problem this invention aims to solve is to provide a stator with high efficiency in coil insertion operations, which effectively utilizes the curl marks of insulating paper, thereby preventing inward warping of the insulating paper in the slots and enabling smooth insertion of the coil into the slots. To solve the above problem, the stator comprises: a stator core having multiple slots; and a coil, inserted into the slots through insulating paper, wherein the insulating paper is composed of a bent form, which is formed by bending a base paper with arc-shaped curl marks along a bending line extending in a direction of curvature with the concave side facing the back, and the insulating paper has unfolded marks with the open side facing outwards.

A coil insertion device that reduces load generated by a coil is provided. A coil insertion device (100) relatively moves a ring-shaped coil (10) in which a coil wire is wound from one side in an axial direction to the other side in the axial direction so as to be inserted into a plurality of slots (21) that pass through in the axial direction of a stator core (20), and includes a plurality of blades (110) that move in the axial direction, are disposed on an inner side in a radial direction of the stator core (20), and hold the coil (10); a coil moving mechanism that moves in the axial direction, is disposed on an inner side in the radial direction of the plurality of blades (110), and moves the coil (10); and a control section (130) that controls movement of the plurality of blades (110) and the coil moving mechanism. The control section (130) performs first control in which a relative position of the coil moving mechanism with respect to the plurality of blades (110) is moved in the axial direction, or the coil moving mechanism and the plurality of blades (110) are moved in the axial direction by the same amount.

An MRI system coil insert 2 for use within a bore B of a host MRI system 1, the coil insert 2 comprising at least one gradient coil for creating a spatially varying magnetic field along a respective axis and arranged to be electrically driven at ultrasound frequencies.

To provide a coil insertion method for inserting a coil into a mandrel.SOLUTION: Before the coil mounted on a coil truck is inserted into a mandrel, the coil truck is stopped, and the distance to each position on the side face of the coil is measured by using a first sensor fixed opposite to the side face of the coil as a scanning laser range finder. The position of the center of the inner diameter portion of the coil is obtained from the obtained distance data, and the lifting amount of the coil required for alignment with the preset axial center of the mandrel is calculated. A second sensor fixed opposite to the coil is used as a scanning laser range finder to measure the distance to each position in the coil width direction. The position of the center of the width of the coil is obtained from the obtained distance data, and the moving amount of the coil carriage to a preset line reference position is calculated. As a result, the information required for insertion into the mandrel can be calculated in a space-saving manner without the need for movement of the sensor or movement of the coil carriage.SELECTED DRAWING: Figure 2