41 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 circuit breaker manipulator for performing a high-speed cycle blocking operation, comprising: a frame part composed of a magnetic body of which the centers of the front and rear surfaces are penetrated such that a front through-hole and a rear through-hole are formed therein and which has an upper plate having an upper through-hole formed in the center of the upper portion thereof, and a lower plate having a lower through-hole formed in the center of the lower portion thereof; a plunger part which is disposed to be spaced apart from the outer lower portion of the lower plate, and which has a plunger having a first through-hole penetrating the center thereof; a first coil part, which is inserted through the front through-hole or the rear through-hole so as to be arranged to penetrate the frame part, has a first coil having a second through-hole penetrating the center thereof, and applies, to the plunger part, magnetic force in the direction corresponding to current flowing in the first coil; and a second coil part, which has a second coil having a third through-hole penetrating the center thereof, is disposed to be spaced apart from the outer lower portion of the lower plate, is disposed to be spaced apart from the upper portion of the plunger part, and applies, to the plunger part, magnetic force in the direction corresponding to current flowing in the second coil.

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 invention relates to a method and a device for manufacturing a star yoke stator of an electric motor with distributed windings, and to a stator obtained by means of said method. A two-component stator is provided with a central star element provided with radial stator teeth and stator slots between the teeth, and a yoke in which the star element is inserted, and windings are received in the stator slots. The assembling method comprises the following steps of: positioning the star-shaped piece on the rotating main shaft; a linear portion of a coil formed of a wire pre-formed on a winding tool and preferably pressed and carburized is inserted into a stator slot to maintain an ordered arrangement of the wire. Winding is completed by alternating actions of inserting coils into stator slots and rotating stars. When the yoke is integrally formed, the yoke may be coupled to the star in a final step, or the yoke may be constructed by coupling sectors of the yoke around the star when the winding is completed. An apparatus configured for implementing the described method is also described. The invention further relates to a stator obtained directly by said method, and to an electric motor incorporating such a stator. According to the invention, a larger filling coefficient, higher efficiency, smaller leakage current and lower stator height are realized.

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.

To provide a winding component which can be easily manufactured and in which a bobbin and a coil can be accurately positioned, and to provide a power supply device.SOLUTION: Positioning can be performed at a plurality of positions by the first and second positioning mechanisms 5070 and. Further, the second positioning mechanism 70 includes, as the second locking portion 71, a hole 73 that receives the second engaging portion 72. By engaging the second engaging portion 72 with the hole portion 73, the second positioning mechanism 70 can restrict the displacement between the bobbin 40 and the coil 20 over the entire circumference. As a result, the bobbin 40 and the coil 20 can be accurately positioned. On the other hand, the first positioning mechanism 50 includes a guide portion 53 that relatively guides the first engagement portion 52 to the first lock portion 51 along the insertion direction D1 when the coil 20 is inserted into the bobbin 40. Therefore, when the coil 20 is inserted into the bobbin 40, positioning can be easily performed only by moving the coil 20 along the guide portion 53.SELECTED DRAWING: Figure 4

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.

The positioning can be performed at a plurality of positions by the first positioning mechanism and the second positioning mechanism. Further, the second positioning mechanism has a hole portion for receiving the second engaging portion as the second locking portion. By engaging the second engaging portion with the hole portion, the second positioning mechanism can restrict the displacement between the bobbin and the coil over the entire circumference. Thus, the bobbin and the coil can be accurately positioned. On the other hand, the first positioning mechanism includes a guide portion for relatively guiding the first engaging portion to the first locking portion along the insertion direction when the coil is inserted into the bobbin. Therefore, when the coil is inserted into the bobbin, the coil can be easily positioned only by moving the coil along the guide portion.

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.

The utility model relates to a coil expanding and shaping device which comprises an expanding assembly, a shaping assembly and an end extrusion assembly, the expanding assembly comprises an expanding driving piece and an expanding block, and the expanding driving piece moves axially to enable the expanding block to move outwards in the radial direction to expand a coil; the shaping assembly comprises a shaping driving piece and a shaping sleeve, the shaping sleeve is arranged on the outer side of the expanding driving piece in a sleeving mode, the expanding block is arranged on the shaping sleeve, and axial movement of the expanding block is limited by the shaping sleeve; the end extrusion assembly comprises an extrusion driving piece and an extrusion sleeve, and the extrusion sleeve conducts extrusion positioning on the expanded coil. The shaping assembly moves to a required position, the coil is pushed out of the stator slot through the expansion assembly to avoid the stator slot without coil insertion, and then the coil pushed away by the expansion assembly is extruded and positioned through the end extrusion assembly, so that coil insertion operation can be conveniently performed on the stator slot without coil insertion subsequently. And each line inserting process can be completed in a short time with high quality, so that the labor cost is effectively reduced.

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.

To securely fix a cover member covering a coil end part, while preventing or minimizing an increase in radial size of a rotary electric machine as a whole.SOLUTION: A rotary electric machine comprises: an iron core having a plurality of tooth parts; a coil wire which is wound around the iron core in such a manner that it is inserted into a slot, and which forms a coil end part on an axially outer side with respect to an axial end surface of the iron core; a first cover member which covers the coil end part from the axially outer side, a radially inner side, and a radially outer side; a second cover member which covers the axial end surface of the iron core; and a coolant space between the first cover member and the second cover member. In cross-sectional view of a plane passing through a central axis of the iron core, the first cover member and the second cover member are coupled to each other: via a first coupling part on the radially outer side of the coolant space; and via a second coupling part on the radially inner side of the coolant space. In axial view, the first coupling part and the second coupling part overlap the iron core.SELECTED DRAWING: Figure 1

A method of manufacturing a stator having a stator core with a plurality of slots extending in an axial direction, the method comprising: a forming step of forming a ring-shaped coil wound with a plurality of turns of a coil wire; a holding step of holding the coil to a vane disposed on an inner radial side of the stator core in a circumferential direction and extending in the axial direction; an inserting step of moving a coil moving mechanism disposed on an inner radial side of the vane in the axial direction to insert the coil into the slot from one side to the other side in the axial direction; and a moving step of moving a coil end of the coil held on the inner radial side of the vane to an outer radial side of the vane and the other side in the axial direction of the stator core, wherein in the moving step, the coil end is divided into a plurality of groups and moved by each group.

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 manufacturing efficiency of the armature is improved. An assembly jig (40), which is a jig for segment coils for arranging a plurality of segment coils (20) in a ring shape while overlapping the plurality of segment coils (20) in multiple layers, is provided with: an upper part (42) in which a plurality of assembly grooves (44) into which the plurality of segment coils (20) are inserted are formed; and a lower portion (48) against which the leg tips of the plurality of segment coils (20) inserted into the plurality of collection slots (44) abut. The lower portion (48) has an expansion prevention portion (52) and a closing prevention portion (54) on the outer diameter side and the inner diameter side of the leg tips of the plurality of segment coils (20).

This rotating electrical machine includes a stator having a core in which a plurality of slots are formed, a plurality of coils inserted into the plurality of slots, and bobbins disposed between the slots and the coils, wherein: the bobbins have projections formed thereon, said projections being disposed between the plurality of coils on the inner surface in the circumferential direction of the rotating electrical machine; an adhesive is disposed between the inner surface of the bobbins in the circumferential direction and the coils, and between the outer surface of the bobbins and the slots; and a flow path through which a refrigerant for cooling the coil flows is formed between the plurality of coils.

The present invention relates to a stator for an axial flux permanent magnet motor and a motor comprising the same, the stator comprising: a stator core having a predetermined number of slots in a circumferential direction; and a plurality of coils inserted into the predetermined number of slots and connected to the multi-phase power supply, in which the plurality of coils include odd-layer windings and even-layer windings, and in which each of the odd-layer windings and the even-layer windings is wound in a circumferential direction with end turns thereof alternately disposed inside and outside of the stator core such that the plurality of coils form a multi-helical structure.

Powertrain, comprising: an internal combustion engine (10) comprising a crankshaft (12) and an internal combustion engine block (14); a rotor section (40) which is connected to the crankshaft (12) and of which a magnet (42) is connected to a first side of the rotor section (40); a stator section (50) which is arranged between the rotor section (40) and the internal combustion engine block (14); a cylinder block water jacket (80) formed on the internal combustion engine (10) and in which an electric motor cooling opening (82) is formed for cooling an electric motor; and an electric motor housing (30) which is connected to the combustion engine block (14) and in which a housing opening (32) is formed, wherein an inlet (34) and an outlet (36), through which coolant from the electric motor cooling opening (82) can flow, are formed in the electric motor housing (30) for cooling the stator section (50), wherein the stator section (50) has: a core plate (54) on which a coil (52) is wound along a radial direction of the core plate (54); and a stator plate (56) in which a coil slot (57) is formed, into which the coil (52) is inserted, and wherein a cooling chamber (58) is formed within the stator plate (56) along a radial direction thereof, and the cooling chamber (58) is connected to the inlet (34) and the outlet (36).

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.