352results about "Embedding prefabricated windings" patented technology

A stator (1) for an electric machine (101), whereinthe stator (1) has N≥3 phases (U, V, W), P≥2 pole pairs, and q≥1 holes,the stator (1) comprises a stator core (3) having at least 2NPq slots (4) and a number of 2NPqL shaped conductors (5) arranged in an even number of L≥4 layers (6a-h) radially layered in the slots (4),the shaped conductors (5) form 2q paths (7a-d) per phase and are arranged in 2P winding zones (8), which each extend radially over L layers (6a-h) and in the circumferential direction over at least q directly adjacent slots (4),the shaped conductors (5) of each path are connected in a series circuit, which is provided by connectors (9a-e, 10a-f, 11a-g) arranged at both end faces (2a, 2b) of the stator core,each path comprises L / 2 groups (12a-d) of shaped conductors (5) successively connected in series,each group (12a-d) is formed by at least one arrangement (13a, 13b) of at least four shaped conductors (5) which are arranged alternately in two immediately adjacent layers (6a-g) and are connected in series by first connectors (9a-e) which each provide an offset by qN slots (4) and an offset by one layer, andpairs of groups (12a-d) adjacent with respect to the series connection are each connected by a second connector (10a-f) which provides an offset by a plurality of slots (4) and an offset by two layers.

The invention relates to the technical field of axial magnetic flux motors, in particular to wire inserting equipment and a wire inserting method of an axial magnetic flux motor insulation framework. An axial flux motor insulation framework coil inserting device applied to the axial flux motor insulation framework coil inserting method comprises an opening and closing tool, a first driving assembly, a second driving assembly and a third driving assembly, the opening and closing tool is used for bearing an insulation framework, and multiple sets of elastic structures are arranged in the opening and closing tool; each group of elastic structures is used for connecting a single insulating framework, and the first driving assembly can drive the elastic structures to synchronously stretch or contract along the radial direction of a preset point, so that the plurality of insulating frameworks connected with the plurality of groups of elastic structures are switched among a divergent state, an initial state and a folded state; the second driving assembly is used for being connected with a stator iron core and driving the stator iron core to move in the preset direction, the third driving assembly can drive the insulating framework in the folded state to be separated from the opening and closing tool in the preset direction, and the winding requirement, the wire arranging requirement and the wire inserting requirement of the insulating framework are met.

A rotor for an electric machine includes a rotor shaft and a laminated core which is arranged on the rotor shaft and formed from stacked electrical laminations and which has radially outwardly projecting laminated core protrusions. Rotor windings are each wound around a laminated core protrusion. A pole separator is arranged between two adjacent laminated core protrusions and has a cooling duct, which runs in the pole separator, for a coolant.

An electric motor casing. A method of manufacturing an electric motor casing. A method of assembling an electric motor. An electric motor including a motor casing and an interior assembly press fitted to the motor casing. According to certain examples, the motor casing includes a structural feature that changes shape to allow the motor casing to expand when the interior assembly is press fitted to the motor casing. According to certain examples, the interior assembly is press fitted to the motor casing without heating the motor casing.

This method for manufacturing a stator coil of a rotating electrical machine includes: a winding step of arraying the plurality of conductive wires in one row and winding, while maintaining an arrayed state, each of the conductive wires a predetermined number of times on each of a plurality of the reels having different diameters, to form a plurality of coils connected to each other by a jumper wire; a gripping step of detaching each of the plurality of coils from the corresponding reel while maintaining the arrayed state of the plurality of conductive wires; and an insertion step of disposing, in the stator core, the plurality of gripped coils so as to stack the coils in an order of insertion into the core slots, and then inserting the coils into the core slots.

The invention relates to a coil packaging method of a galvanometer motor stator assembly. The coil packaging method comprises the following steps: winding an enameled wire into a coil; assembling the coil and a stator into a stator assembly; in a vacuum environment at the temperature of 20-60 DEG C, glue pouring is carried out on a coil in the stator assembly; and after the glue filling is completed, the glue is cured for 30-60 minutes at the temperature of 70-160 DEG C, and the coil is packaged and is embedded, bonded and fixed with the stator. According to the coil packaging method of the galvanometer motor stator assembly, the manufactured galvanometer motor can be small in size, the exciting current can be reduced, the power factor can be improved, the torque and dynamic response of the galvanometer motor can be improved, the adaptive scene of the galvanometer motor can be increased, and the service life of the galvanometer motor can be prolonged. And the insulating property of the coil, the overall mechanical strength of the stator assembly, the stability of the stator assembly and the service life of the stator assembly can be improved.

This method for manufacturing a stator involves: providing, radially around the center axis of a stator core (13) of a stator, wire guides (31) having provided on one sides thereof notches (31a) which allow entry of the end portions (12a) of coil segments; arranging the wire guides (31) between the continuous end portions spaced apart from each other in the circumferential direction to cause the notches (31a) of the wire guides (31) to face the end portions (12a) in the circumferential direction; and moving the wire guides (31) in the circumferential direction, thereby allowing the end portions (12a) to enter the notches (31a) of the wire guides (31) and align the same.

A stator includes: a stator core having an annular shape, a coil, and a cover member having a cylindrical shape. The stator core includes a plurality of teeth portions that are aligned in a circumferential direction and a plurality of slots that are formed between the teeth portions which are adjacent to each other in the circumferential direction. In the coil, a plurality of conductor wire portions are wound around each of the teeth portions through the slots. The cover member is arranged to be inserted into an inner circumferential portion of the stator core such that an outer circumferential surface faces an opening on an inside in a radial direction of the plurality of slots. A foamable insulation member that covers an outer surface of the plurality of the conductor wire portions of the coil and is bonded to the outer circumferential surface of the cover member through the opening of the slots is loaded in each of the slots.

The invention provides a feeding mechanism, which comprises at least one group of feeding and separating structures for conveying a plurality of stored hairpins in sequence and separating the hairpins one by one; and the at least one group of feeding lifting structure is arranged at the discharging end of the feeding separation structure, is matched with the feeding separation structure, receives the sequentially separated single hairpins, and sequentially conveys the hairpins to the corresponding hairpin discharging device according to the sequence required by the winding hairpins of each layer. The device has the beneficial effects that hairpins of various length specifications can be adapted according to the design requirements of stator windings, the hairpins of various length specifications can be stored and fed at the same time, a clamp does not need to be independently replaced for the hairpins of various length specifications, the clamp replacement time and maintenance cost are reduced, and the production efficiency is improved.

A method for the making of a stator for electric motors, comprising providing two jigs, each having a circular opening inside the jig and a series of teeth inside the circular opening extending towards a central axis, the teeth defining a series of slots; arranging the two jigs coaxially spaced along a central axis; winding, between the teeth, a plurality of wires to form a plurality of windings, so the wires of each winding occupy a plurality of the slots of both jigs; the windings including linear wire portions extending between the two jigs; inserting, from the inside, a plurality of first stator portions between the linear wire portions; and inserting, from the outside, a plurality of second stator portions complementary to the first stator portions between the linear wire portions, to form a stator body.

The utility model relates to the technical field of stator coil inserting, in particular to a coil inserting die and a coil inserting machine, the coil inserting die comprises a push head and a push seat, the push head is located at the front side of the push seat, the push head and the push seat are connected through at least one connecting column, the push head and the push seat can be driven to move together, and the push head is located at the front side of the push seat. The push head is used for pushing a coil to insert the coil, and the push seat is used for pushing slot cover paper into a stator iron core. According to the wire inserting die provided by the utility model, the conventional structure is simplified and improved, a paper beating mechanism and a paper storage mechanism are removed, the push rod structure is simplified, and a simple wire inserting scheme which is simple in structure and low in cost is formed.

The invention provides automatic wire plugging equipment and a wire plugging method for a flat wire motor, and the equipment comprises a material storage and feeding mechanism which is used for storing hairpins and carrying out the hairpin feeding according to the needed sequence of the hairpins in each layer of winding; the hairpin turnover feeding mechanism is provided with a plurality of hairpin discharging devices, and each hairpin discharging device receives hairpins needed by a layer of winding and conveyed by the storage feeding mechanism and conveys the hairpins of each layer of winding; the winding mechanism is matched with the card issuing turnover feeding mechanism, receives the card issuing of each card issuing arrangement device, and winds the winding card issuing of each layer in sequence to form an annular winding structure; the wire inserting mechanism is arranged opposite to the material rolling mechanism, the wire inserting mechanism is matched with the material rolling mechanism, wire arranging is conducted on the annular winding structure, the annular winding structure is inserted into the stator iron core, feeding can be conducted on hairpins and the stator iron core while material rolling is conducted, the hairpins can be arranged more tidily and tightly before being inserted into the stator iron core, and the quality of the stator iron core is improved. The device can adapt to hairpins with different lengths, and is high in adaptability.

A claw gripping device compatible with multiple U pin spans. The claw gripping device comprises a frame (1), a first claw gripping mechanism (2), a second claw gripping mechanism (3), and a control system (5). The second claw gripping mechanism (3) comprises a first slide seat structure (31), a rotating structure (32), a second slide seat structure (33), a second finger cylinder (35), and a second claw (36); the control system (5) is electrically connected to the first claw gripping mechanism (2) and the second claw gripping mechanism (3), and the control system (5) controls the first claw gripping mechanism (2) and the second claw gripping mechanism (3) to act to grip a hairpin coil (4); for coils having different spans, the rotating structure (32) drives the first slide seat structure (31) to make arc motion to adjust the horizontal angles of the second slide seat structure (33) and the second finger cylinder (35), and drives, under the drive of the second finger cylinder (35), the second claw (36) to grip a second vertical segment (43) of the hairpin coil (4), thereby achieving gripping actions for multiple Upin spans.

Provided are a motor, a stator, and a manufacturing method of the stator. The stator of the motor includes a stator core and a stator winding. The stator core has a plurality of winding slots formed at an end surface of the stator core in an axial direction of the stator core and arranged at intervals in a circumferential direction of the stator core, and each of the plurality of winding slots extends through an inner wall and an outer wall of the stator core. The stator winding includes at least one coil unit, and each of the at least coil unit includes a plurality of first conductors assembled together. Each of the plurality of first conductors includes at least one insertion portion inserted into a corresponding one of the plurality of winding slots. The coil unit is formed by assembling and connecting the plurality of first conductors. Therefore, when mounting the stator winding at the stator core, the plurality of first conductors may be connected to each other in advance to form the coil unit, and then the coil unit is arranged at the stator as a whole. In this way, the wire embedding process can be simplified, and the batch automated production can be easily realized. Therefore, the structure and assembly steps of the motor can be simplified, thereby improving assembly efficiency of the motor.

The utility model belongs to the technical field of motor assembly equipment, and particularly relates to a stator coil press fitting device which comprises a supporting frame. The material carrying table is arranged at the lower end of the supporting frame; the clamping and pressing mechanism is mounted on the supporting frame; the material clamping and press-fitting mechanism comprises a moving assembly arranged on the supporting frame; the press-fitting assembly is mounted on the moving assembly; the press-fitting assembly is provided with a third driving part, a mounting frame, a pressing die and a first clamping jaw air cylinder, the pressing die is hollow, the first clamping jaw air cylinder is provided with a plurality of first clamping jaw parts, and the lower ends of the first clamping jaw parts penetrate through the pressing die. The material clamping and press-fitting mechanism can be used for conveying the stator coil and can also be used for press-fitting the stator coil, the size of a machine is reduced, the press-fitting efficiency of the stator coil is improved, a first clamping jaw piece of a first clamping jaw air cylinder penetrates through a pressing die to internally support and fix the stator coil, and when the first clamping jaw piece loosens the stator coil, the stator coil is pressed by the first clamping jaw air cylinder. The stator coil press-fitting device is simple and rapid to operate, and ensures the production efficiency.

The utility model belongs to the technical field of flat wire motor stator production, and specifically relates to a flat wire motor stator wire pressing machine, comprising a workbench, a support frame is installed on the workbench, a first motor is installed on the top of the support frame, a first gear is installed on the output end of the first motor, a ball screw is installed on the support frame, a nut sleeve of the ball screw is provided with a second gear, a screw of the ball screw is fixedly connected with a pressing plate, and a chain is installed between the first gear and the second gear; a tripod is installed on the workbench, a second motor is installed on the tripod, the output end of the second motor is meshed and connected with a fourth gear through a third gear, and a base including a mounting barrel is installed on the fourth gear through a transmission shaft; the pressing plate comprises a pressing portion and a limiting portion, and a guide rod penetrating the limiting portion is installed on the top of the support frame; it is realized that when one flat wire motor is fixed in the wire pressing process, another flat wire motor that has completed the wire pressing can be removed and installed, thereby increasing production efficiency.

An e-machine includes a stator core having a first axial end and a second axial end that are separated along a longitudinal axis. The stator core has a slot that extends between the first axial end and the second axial end. The e-machine further includes a plurality of winding members. The plurality of winding members comprise a plurality of longitudinal segments that are received in the slot and that extend between the first axial end and the second axial end. Individual ones of the plurality of longitudinal segments have a cross-sectional profile that is non-circular. The plurality of longitudinal segments are disposed in an abutting arrangement to define a fluid passageway within the slot and between neighboring ones of the plurality of longitudinal segments. The fluid passageway extends between the first axial end and the second axial end of the stator core.

The present invention provides a welding method which makes it possible to suppress variations in welding inside an assembly. Provided is a welding method in which welding is performed with a conductive wire 15 and a terminal 17 inside an assembly 1 brought into contact with each other, wherein a jig 19 which is operable from the outside of the assembly 1 is driven to cause a contact between the conductive wire 15 and the terminal 17. By managing this drive force of the jig 19, welding is performed with a predetermined pressing force applied between the conductive wire 15 and the terminal 17.

The invention discloses a stator coil installation production line, and relates to the technical field of stator coil installation production equipment.The stator coil installation production line comprises a plurality of turnover discs, a feeding device, a first conveying device, a turning-around device, a second conveying device, a third conveying device, a discharging device and a transferring device; each device is also provided with a corresponding specific structure, for example, the first conveying device and the third conveying device are respectively provided with a carrier roller, a lifting mechanism, an installation operation mechanism and the like, and the installation operation of the stator coil can be carried out on the first conveying device, the second conveying device and the third conveying device. According to the invention, automatic feeding, conveying, turning around and discharging of the stator coil and transfer operation of the turnover disc are realized, the efficiency of installation and production of the stator coil is improved, and the labor intensity of workers is reduced.

An e-machine includes a stator core having a first axial end and a second axial end that are separated along a longitudinal axis. The stator core has a slot that extends between the first axial end and the second axial end. The e-machine further includes a plurality of winding members. The plurality of winding members comprise a plurality of longitudinal segments that are received in the slot and that extend between the first axial end and the second axial end. Individual ones of the plurality of longitudinal segments have a cross-sectional profile that is non-circular. The plurality of longitudinal segments are disposed in an abutting arrangement to define a fluid passageway within the slot and between neighboring ones of the plurality of longitudinal segments. The fluid passageway extends between the first axial end and the second axial end of the stator core.

To enable a coil body to be supported by an armature core and ensure the positional accuracy of the coil body with respect to the armature core.SOLUTION: A stator has a stator core, a coil body 32, and a coil body support member 60. The coil body 32 has a band member 34 wound annularly in the circumferential direction, a coil 16 formed on the band member 34, and a coil body side recess 34D provided on the band member 34. The coil body support member 60 is provided between the stator core and the coil body 32 and is attached to the stator core. The coil body support member 60 has a support member side protrusion 62D. The coil body 32 is positioned with respect to the stator core by engaging the support member side protrusion 62D and the coil body side recess 34D.SELECTED DRAWING: Figure 17

An electric motor casing. A method of manufacturing an electric motor casing. A method of assembling an electric motor. An electric motor including a motor casing and an interior assembly press fitted to the motor casing. According to certain examples, the motor casing includes a structural feature that changes shape to allow the motor casing to expand when the interior assembly is press fitted to the motor casing. According to certain examples, the interior assembly is press fitted to the motor casing without heating the motor casing.

The invention specifies a method for producing a stator (11) for an electric machine (1), in which method a stator laminated core (12) having a plurality of helically extending stator slots (15), which form a skewing of the stator laminated core (12), is provided. A stator winding (14, 14a, 14b) is also provided, which comprises a plurality of straight and mutually parallel conductor portions (B, B1, B2) and a plurality of connecting portions (C), wherein at least in each case two of the parallel conductor portions (B, B1, B2) are connected to each other at a respective one of their ends by means of one of the connecting portions (C). Finally, the stator winding (14, 14a, 14b) is inserted into the stator slots (15), the stator winding (14, 14a, 14b) already having an asymmetry corresponding to the skew before being inserted into the stator slots (15). The invention also specifies an intermediate product of a stator winding (14, 14a, 14b), an electric machine (1) having a stator (11) of the kind mentioned, and also a vehicle (22) having such an electric machine (1).

The utility model relates to the technical field of motor stator coil installation auxiliary tools, in particular to a motor stator coil insertion tool which can enable the periphery of a stator coil to descend synchronously, prevent the stator coil from inclining and being clamped, enable the stator coil to be installed more smoothly and bring convenience to workers. Comprising a base, three sets of ground feet are fixedly arranged at the bottom end of the base in an annular array mode, three sets of supporting plates are fixedly arranged at the top end of the base in an annular array mode, clamping studs are arranged on the three sets of supporting plates in a screwed mode, and the outer ends of the three sets of clamping studs are fixedly sleeved with rotary knobs. A guide sleeve is fixedly arranged on one side of the support, a guide rod is fixedly connected to one side of the top end of the pressing disc, the guide rod is arranged on the guide sleeve in a sliding mode, and a limiting plate is fixedly connected to the top end of the guide rod.

The utility model provides a wire embedding cooperation mechanism of an embedding and expanding all-in-one machine, and belongs to the technical field of stator processing. The wire embedding matching mechanism of the embedding and expanding all-in-one machine comprises a paper pushing and wire hanging structure, a push plate moving structure, a guide seat clamping structure and a feeding and shearing structure, the push plate moving structure is arranged between the front machine plate and the rear machine plate and mainly comprises a front thrust fixing plate and a rear thrust fixing plate; the paper pushing and line hanging structure is arranged between the front machine plate and the rear machine plate, protrudes out of the front machine plate and structurally comprises a guiding head, a tooth guiding base, a clamping gear, a discharging warehouse, a fixing base, a paper pushing strip, a front pushing plate gasket and a rear pushing plate gasket in sequence from front to back. The guide seat clamping structure is arranged on the front machine plate and comprises a guide seat rotating structure and a clamping fixing structure; the feeding and shearing structure is arranged on the rear side of the front machine plate and below the paper pushing and line hanging structure and mainly comprises a shearing tool apron, a pre-feeding box and a paper passing plate. The device has the advantages of simple transmission structure, simplicity, high efficiency, lower maintenance cost and higher practicability.

The present invention relates to a stator of a rotating electric machine and a method for manufacturing same. The stator of the rotating electric machine of the present invention comprises: a stator core provided with a plurality of slots spaced apart from each other along the circumferential direction; and a stator coil wound on the stator core, wherein the stator coil is configured to be provided with a plurality of magnet wire modules including a plurality of magnet wires, each having a straight shape disposed along the axial direction, and molding parts surrounding and fixing the plurality of magnet wires, the plurality of magnet wire modules are configured to be inserted into the plurality of slots, respectively, and the plurality of magnet wires are configured to be bent along the circumferential direction of the stator core so as to be in contact with each other, and then, to be connected to conduct electricity. Accordingly, the bending operation of the magnet wire can be suppressed before slot insertion to facilitate the insertion of the magnet wire.

According to the hydro-generator stator auxiliary inlaying device and the use method, through mechanical combination of the sliding mechanism, the circumferential moving mechanism and the lifting pulley block, an operator can easily lift a stator bar to a designated position and carry out accurate inlaying, the labor intensity of manual carrying is reduced, the working efficiency is improved, and the working efficiency is improved. Meanwhile, the accuracy of the inlaying position is also ensured; the auxiliary embedding device for the stator of the hydraulic generator comprises a stand column, the bottom of the stand column is fixedly connected to a fixed base, and first rolling wheels are arranged on the two sides of the bottom of the fixed base; one end of a horizontal frame is welded to one side of the top of the stand column, and a circumferential moving mechanism is fixed to the other end of the horizontal frame. A sliding mechanism is arranged on the horizontal frame, and the bottom of the sliding mechanism is connected with a lifting pulley block.

The invention belongs to the technical field of motor production lines, and provides a card issuing and layered collecting device and an automatic wire inserting system and method, and the device comprises a conveying line, a tray mechanism and a tensioning mechanism; the tray mechanism is provided with a guide tool, a cavity tool and a tray; the tray is positioned on a conveying path of the conveying line; the tensioning mechanism is arranged along the conveying path of the conveying line. According to the hairpin layered collecting device, the tray mechanisms are placed on the conveying line and matched with the corresponding tensioning mechanisms, radial pressure is applied to the pressing pieces in the tensioning mechanisms so that the pressing pieces can press the hairpins on the upper layer, enough space is provided for installation of the hairpins on the layer, efficiency is improved, and stability of product quality is improved.

The invention discloses a high-voltage motor stator processing and forming method, a high-voltage motor stator and a high-voltage motor with the high-voltage motor stator. During stator processing, a ring type stator coil and a hanging handle ring type stator coil are processed and formed firstly, and then a whole-circle non-sectioning or sectioning embedding mode is adopted to form a ring type stator coil and a hanging handle ring type stator coil; respectively embedding the formed ring-type stator coil and the hanging handle ring-type stator coil into the stator iron core; the whole circle non-sectioning embedding is that the initial slot of the appointed sub-iron core pitch coil wire embedding uses the hanging handle ring type stator coil, and the residual slots are embedded with the forming ring type stator coil; according to split coil embedding, a hanging handle ring type stator coil is used in an initial slot of coil embedding of each stator core pitch coil, forming ring type stator coils are embedded in other slots, then a forming ring type stator coil of one pitch is reserved for each stator core, and the forming ring type stator coil is embedded after the stator core is assembled into a circle. The method is suitable for a whole machine non-split stator and also suitable for a split stator, the coil inserting and embedding efficiency can be effectively improved, the manufacturing cost is reduced, and the installation period is shortened.