1293 results about "Stator coil" patented technology

To provide a technique for suppressing influences caused by the presence of a space communicating in a radial direction in a protruding portion, which protrudes from a stator core, in a stator coil.SOLUTION: A compressor 100 comprises a compression mechanism part 120 and a motor 200 which are stored in a sealed container 110. A stator 300 of the motor 200 includes a stator coil 340 wound around a plurality of teeth of a stator core 310. The stator coil 340 includes a first protruding portion 340A and a second protruding portion 340B protruding from the stator core 310 to a first side and a second side in an axial direction. At least outside of the first protruding portion 340A, a first enclosure wall 350 is provided which extends without a gap in the axial direction and a circumferential direction.SELECTED DRAWING: Figure 1

The utility model belongs to the technical field of motor assembling, and particularly relates to motor assembling equipment which comprises a rack. The material moving device is installed on the machine frame, and the material moving device is provided with a plurality of stations used for containing machine shells; the feeding device is mounted on the side of the rack; the heating device is mounted on the rack; the coil press-fitting device is arranged on the rack and is used for press-fitting the stator coil into the heated casing; the rear cover press-fitting device is installed on the rack and used for press-fitting a rear cover into the machine shell provided with the stator coil; the screw locking device is installed on the rack and used for fastening the rear cover and the machine shell; the discharging device is mounted on the side of the rack; the machine shell is conveyed to a set position through the material moving device, and the stator coil and the rear cover are sequentially pressed into the machine shell through the coil press-fitting device and the rear cover press-fitting device, so that the assembly of the motor is realized, the mechanization of the assembly process is improved, the production efficiency is improved, and the labor cost is reduced.

The dual inverter system includes a first inverter connected to one end of a stator coil of the motor and a second inverter connected to the other end. The controller can execute a dual mode in which the motor is driven by two inverters and a single mode in which the motor is driven by only one inverter. The controller closes the upper SW elements of all of the first and second inverters, opens all the lower SW elements, and closes the connection switch when the voltage at the DC end of the first inverter exceeds the threshold voltage. Alternatively, the controllers close all the lower SW elements of the first and second inverters to open all the upper SW elements and close the connection switches.

The invention discloses a manufacturing method of a frameless torque motor stator core, the stator core comprises a stator yoke part, a stator tooth part and a stator coil, the stator yoke part is in a circular ring shape, the stator tooth part is in a sun tooth type structure, the stator tooth part comprises a circular ring part, a tooth boot part and a tooth body part, the stator tooth part is embedded in the stator yoke part, and the tooth body part is in a sun tooth type structure. The plurality of tooth body parts are uniformly distributed, high-temperature-resistant insulating films are prepared on the surfaces of the stator yoke part and the stator tooth parts, and the stator coils are arranged on the peripheral sides of the tooth body parts in a sleeving manner; the manufacturing method comprises the following steps: S100, manufacturing the stator yoke part and the stator tooth part, and carrying out coating treatment; s200, winding to form a stator coil; s300, assembling a stator iron core; s400, welding a wire pin; s500, pouring glue and drying; s600, boring and shaping: boring the inner side of the circular ring part and the solidified potting glue, and boring off the circular ring part, so that two adjacent tooth shoe parts are completely isolated, and the closed slot of the stator core is bored to form an open slot; and S700, carrying out performance detection.

The invention relates to the technical field of motor assembly assembling, in particular to iron core welding equipment for single-tooth concentrated winding stator coil machining. Comprising a workbench; a station table used for switching a welding station and a discharging station is assembled on the workbench. Two assembly clamps are assembled on the station table; two inner positioning mechanisms distributed over the two splicing clamps in a one-to-one correspondence mode are assembled on the station table through a supporting frame, and a welding mechanism is assembled on the workbench. The equipment provided by the invention is improved and designed on the basis of the existing equipment, and is provided with the integrated assembling clamp for assembling and clamping the iron core, so that the existing pre-assembling clamp is replaced, and the existing iron core assembling operation process of firstly pre-assembling and then clamping is changed; the continuous automatic assembling operation of horizontal discharging, overturning transposition and pushing, clamping and assembling is adopted for the assembling clamp, the assembling operation process is optimized, the difficulty of assembling and positioning is reduced, and the overall efficiency of welding operation is improved.

The invention relates to the technical field of pipeline robots, and discloses a miniature wheel type pipeline robot which comprises a bending assembly, walking units are connected to the two ends of the bending assembly correspondingly, each walking unit comprises two wheel train assemblies, each wheel train assembly comprises a walking mechanism and a reducing mechanism, and each walking mechanism comprises a stator coil, a rotor, a rotating disc and a plurality of elastic wheel legs. The stator coil is matched with the rotor, the rotating disc and the rotor are coaxially fixed, the elastic wheel leg comprises an elastic piece and a walking wheel, the walking wheel is rotatably arranged at one end of the elastic piece, the other end of the elastic piece is fixedly connected with the rotating disc, the end, provided with the walking wheel, of the elastic piece stretches outwards, and a rotating shaft of the walking wheel inclines relative to the axis of the rotating disc. The elastic wheel legs are evenly distributed on the circumference, and the two wheel train assemblies are connected and symmetrically arranged. The diameter changing mechanism can enable the ends, away from the rotating disc, of the elastic pieces to be synchronously retracted inwards, and the bending assembly can enable the two walking units to be bent. The miniature wheel type pipeline robot is suitable for being used in a small-pipe-diameter multi-way pipe network.

The invention relates to a flanging and paper inserting machine, and belongs to the technical field of new energy motor machining. Comprising a pre-forming mechanism; the pre-forming mechanism comprises a pre-forming support, a pre-forming mold is erected on the top of the pre-forming support, the pre-forming mold sequentially comprises a vertical forming mold body, an inward turning forming mold body and an inward folding forming mold body from front to back, and the bottom face, close to the chamfered side of the paper strip to be machined, of the vertical forming mold body is provided with an inward-concave vertical forming inclined face. The bottom face, close to the chamfered side of the paper strip to be machined, of the inward-turning forming mold is provided with an outward-protruding inward-turning forming inclined face, and the inward-folding forming mold comprises an inward-folding guide ramp connected with the inward-turning forming inclined face and an inward-folding forming inclined face perpendicular to the direction of the inward-folding guide ramp. When the formed paper strip finished product which is formed by automatic folding and is provided with the flanging structure is inserted into a stator coil hole to be inserted, the stroke length of the inserted insulation paper can be controlled through the fixed length of the flanging structure, so that the accurate insertion of the insulation paper is realized.

The utility model discloses full-automatic stator coil taping equipment, which comprises a machine table, a guide rail is fixedly arranged on the machine table, two ends of the guide rail are respectively and fixedly provided with a base plate, one end, far away from the machine table, of each base plate is provided with a placement plate, and the placement plates are used for placing stator coils; according to the full-automatic stator coil taping device, constant-tension stable winding and binding are achieved in a limited space, and it is guaranteed that accurate transverse translation is conducted in the constant-tension winding and binding process; when the equipment is taped, the posture is stable, and the movement is accurate; after one side of the stator coil is taped, the stator coil does not need to be disassembled, and the other side of the stator coil can be taped only by turning over the stator coil, so that the step of repeatedly clamping and positioning is saved, and the taping efficiency is improved.

The invention discloses a stator coil shaping device for an efficient explosion-proof motor, and belongs to the field of stator coil processing, the stator coil shaping device comprises a placing table, a positioning mechanism and a shaping mechanism, the positioning mechanism is arranged on the placing table; a plurality of sliding grooves are formed in the top of the containing table, the positioning mechanism comprises a first lead screw, a first bevel gear and a sliding block, a mounting cavity is formed in the containing table, the first lead screw is rotationally arranged in the mounting cavity, the first bevel gear is arranged at the end, close to the center of the containing table, of the first lead screw, and the bottom of the sliding block is arranged on the first lead screw; the top of the sliding block is in sliding fit with the sliding groove, a rotating motor is arranged at the bottom of the containing table, the output end of the rotating motor is connected with a second bevel gear, the first bevel gear is meshed with the second bevel gear, a coil body is arranged on the containing table, the sliding block is used for positioning a circular ring in the center of the coil body, and the shaping mechanism is used for shaping the coil body. The stator coil machining device can be suitable for machining stator coils of different sizes, and the machining precision is improved.

The invention relates to the technical field of motor stator coil winding machine control, in particular to a micro motor stator coil winding machine and a control method thereof.The control method specifically comprises the steps that the transmission lag value of an enameled wire indirect tension value is determined according to the synchronous fluctuation condition between a tension actual measurement sequence and indirect tension sequences under different moving step lengths; lagging correction is carried out on the indirect tension value, the tension period correlation strength in the running stage of the stator coil winding machine is considered, and the interference distortion degree is evaluated; according to the change trend of the paying-off linear speed and the difference between the tension measured value and the set value, the winding looseness of the enameled wire is obtained; obtaining a weight through the two indexes, carrying out weighted fusion on a measured value and a predicted value to obtain a tension correction value, and carrying out motor stator coil winding machine enameled wire tension control by combining a PID control algorithm; the tension control precision of the motor stator coil winding machine is improved, the tension control effect of the coil winding machine is enhanced, and the tension fluctuation ratio of enameled wires is reduced.

A temperature sensor holder with which it is possible to easily mount a temperature sensor without giving damage on an object to which the temperature sensor is mounted, etc., includes a sensor holding portion that holds the temperature sensor; a holder engagement portion that is to be engaged with an object; and an arm having a curved portion that connects the sensor holding portion and the holder engagement portion. A temperature sensor mounting method for easily mounting the temperature sensor to a motor without giving damage on the motor includes engaging the holder engagement portion with an insulator due to elastic force of the curved portion of the arm of the temperature sensor holder, and at the same time, bringing the temperature sensor into pressure contact with a stator coil by the sensor holding portion to mount the temperature sensor holder to the insulator.

Multi-source data of a rotor surface temperature value Tzz, a temperature value Dz of a stator coil, a resistance value of the stator coil, a voltage value I of the stator coil, a bearing vibration frequency and a bearing rotation speed of the permanent magnet synchronous motor are acquired, calculation accuracy is improved, a magnetic coefficient Tcd, a thermal short-circuit coefficient Dxs of the stator coil and a bearing wear vibration coefficient Zdxs are calculated respectively, and the stability of the permanent magnet synchronous motor is improved. And the fault of the permanent magnet synchronous motor is diagnosed through evaluation and analysis. A fault diagnosis recognition coefficient Sbx is obtained through comprehensive analysis and calculation, key fault parameters of the permanent magnet synchronous motor are comprehensively analyzed, and the fault diagnosis precision is remarkably improved; the fault diagnosis identification coefficient Sbx is analyzed and evaluated and is finally substituted into the unsupervised learning model; an efficient and reliable solution is provided for deep learning of fault diagnosis, operation monitoring and maintenance of the permanent magnet synchronous motor, and the method has important engineering application value and popularization significance.

The invention discloses a miniature disc type motor and a miniature fan thereof, the miniature disc type motor comprises a PCB stator assembly and a driving control circuit, the PCB stator assembly comprises a PCB and a stator coil arranged on the PCB, the stator coil is connected with the driving control circuit, and the driving control circuit is connected with the PCB. The structural layout of the stator coil and the rotor magnet adopts a two-phase four-slot six-pole, three-phase six-slot four-pole or three-phase six-slot eight-pole structural layout, and better slot-pole matching of the miniature disc type motor is adopted, so that unbalanced radial magnetic pulling force is reduced, the torque fluctuation of the motor is improved, the vibration noise of a product is reduced, the sound quality of the product is improved, and the service life of the product is prolonged. The protrusion ratio of the product can be reduced to below 4dB; the optimized three-phase six-slot quadrupole can improve the motor efficiency by about 5%, the optimized three-phase six-slot octupole can improve the motor efficiency by about 12%, the optimized two-phase four-slot six-pole structure can improve the motor efficiency by about 5%, in addition, the overall layout is reasonable, the winding space is effectively increased, miniaturization and flattening of the miniature fan are better facilitated, and the service life of the miniature fan is prolonged. The size is further reduced.

The dual inverter system includes a first inverter connected to one end of a stator coil of the motor and a second inverter connected to the other end. The controller is capable of executing a single mode in which the second inverter is disconnected from the battery and the motor is driven only by the first inverter. When driving the motor in a single mode, the controller selects one of an upper short-circuiting circuit that turns on all the upper SW devices of the second inverter and turns off all the lower SW devices, and a lower short-circuiting circuit that turns on all the lower SW devices of the second inverter and turns off all the upper SW devices. The controllers compare the loads of the upper SW devices and the lower SW devices of the second inverters.

The utility model relates to a rotor assembly, which comprises a rotating shaft and a rotor iron core, two ends of the rotor iron core are respectively provided with a rotor baffle A and a rotor baffle B, the rotor iron core is provided with a plurality of rotor iron core axial oil ways, and the rotor baffle A and the rotor baffle B are provided with a plurality of radial oil ways communicated with the rotor iron core axial oil ways. The interior of the rotating shaft is hollow to form a middle axial oil hole, and the side wall of the rotating shaft is further provided with a side wall oil hole used for communicating the middle axial oil hole with part of the radial oil duct; the rotor baffle A and the rotor baffle B are provided with oil spraying holes B. The radial oil channels comprise the baffle radial oil channel A and the baffle radial oil channel B. One end of the baffle radial oil channel A is communicated with the rotor iron core axial oil way, the other end of the baffle radial oil channel A is communicated with the oil spraying holes B. One end of the baffle radial oil channel B is communicated with the rotor iron core axial oil way, and the other end of the baffle radial oil channel B is communicated with the side wall oil holes. According to the utility model, the cooling efficiency of the rotor iron core can be improved, the cooling of the rotor iron core can be satisfied, and the stator coil can also be cooled.

A pumping system includes a plurality of interconnected integrated motor / pump modules (IMPs) submerged in a process liquid, such as liquid hydrogen (LH2), within a container, the IMPs being separately controlled by adjustable speed drives (ASDs). The rotation speeds of the IMP impellers are controlled such that the NPSH_A for each IMP remains above a minimum, critical suction head NPSH_c of the IMP, while the outlet pressure and flow of the last IMP is maintained at a specified level unless its NPSH_A falls substantially to its NPSH_c, or until the container is substantially empty. The IMPs can be identical, initially operating at the same speeds, or the first IMP can be an inducer IMP having a reduced NPSH_c. The IMPs can comprise permanent magnets or induction coils attached to their impellers that pass in proximate radial or axial alignment with stator coils. The ASDs can be variable frequency drives (VFDs).

According to the transmission system, the rotor position detection method and the computer readable storage medium, the stator comprises a stator, a rotor and a processing unit, the stator comprises a plurality of stator modules, the plurality of stator modules are sequentially arranged along a transmission path, each stator module comprises a stator coil, a first sensing unit, a second sensing unit and a third sensing unit, and the first sensing unit, the second sensing unit and the third sensing unit are sequentially arranged along the transmission path. The rotor comprises a power magnet array, a first sensing medium array and a second sensing medium array; the first sensing unit and the second sensing unit are correspondingly arranged, the first sensing unit is used for reading displacement signal data of the first sensing medium array, and the second sensing unit is used for reading coded signal data of the second sensing medium array; when the processing unit obtains data information of all effective signals generated by the third sensing unit, the absolute position jointly determined by displacement signal data read by the corresponding first sensing unit and coded signal data read by the second sensing unit serves as the absolute position of the rotor on the stator.

An electrically powered aircraft is configured to check the health of its motors by determining a flux linkage associated with each of the motors. The flux linkage may be determined by measuring the back-EMF of stator coils of the motor. The flux linkage may be measured while the motor is not powered or may be estimated when the motor is in use. The flux linkage of a motor may be compared to a corresponding threshold value to assess whether the magnet(s) of the motor have degraded to a point at which they pose safety concerns. The flux linkage values may also be used to project when the motor needs to be maintained and / or replaced. The flux linkage value of a motor may be displayed, along with historical flux linkage values for that motor, to show a magnitude of demagnetization of the magnet(s) of the motor.

The invention relates to a starting and power generation integrated control method based on externally distributed bosses of a permanent magnet motor, and the method comprises the following steps: determining the initial position of a rotor of the permanent magnet motor relative to a stator through a pulse voltage injection method, and applying a drive signal to a stator coil, so that the motor reaches the rotating speed at which an ignition trigger can stably detect the signal; an ignition trigger is used for obtaining boss signals and conducting shaping processing, and the specific position of the rotor relative to the stator is determined; the stator coil is electrified by utilizing the relative position of the rotor and the stator, the motor is driven to rotate, and flux-weakening voltage regulation control is carried out; and when the power-assisted condition is met, a stator coil corresponding to the permanent magnet motor is electrified by utilizing the relative position of the rotor and the stator, so that switching control from power generation voltage regulation to power-assisted driving of the motor is realized, and power-assisted driving operation is executed. According to the control method, the boss on the rotor is used for starting and power generation voltage regulation control of the permanent magnet motor, and the method is simple and easy to implement.

The invention discloses a stator coil copper wire assembling mechanism based on motor production, and particularly relates to motor production equipment, the stator coil copper wire assembling mechanism comprises a stator, insulation paper sleeves inserted into coil grooves of the stator and a pre-assembled flat wire group, the pre-assembled flat wire group comprises an adhesive layer and a metal layer, the stator coil copper wire assembling mechanism also comprises a plurality of auxiliary insertion angles driven to be inserted between two insulation paper sleeves; the paper fixing assembly comprises vertical attaching blocks connected to the two sides of the auxiliary inserting corner in a sliding mode. According to the invention, through the paper fixing assembly, during assembly, a plurality of auxiliary insertion angles are driven to get close to a stator in which an insulation paper sleeve is inserted, during assembly, a flat wire group is inserted along the insulation paper sleeve from a metal layer to an adhesive layer, and at the moment, a vertical fitting block moves to push against the middle section of the insulation paper sleeve; and a gap is formed between the insulation paper sleeve and the glue layer, so that the friction area between the insulation paper sleeve and the glue layer is reduced, the friction force is reduced, and the probability that the insulation paper sleeve is excessively immersed into the stator is reduced.

The invention relates to the field of motor pumps, in particular to a duplex-winding low-voltage motor pump. The double-low-pressure integrated controller and the hydraulic steering pump are connected to the two ends of the driving motor respectively. The driving motor comprises a double-winding stator assembly and a rotor assembly rotationally arranged on the inner side of the double-winding stator assembly, the input end of the hydraulic steering pump is connected with the rotor assembly, the hydraulic steering pump is provided with an oil inlet and an oil outlet, the double-low-pressure integrated controller comprises two sub-controllers, the double-winding stator assembly comprises two sets of stator coil windings, and the double-winding stator assembly comprises two sets of stator coil windings. And the two sub-controllers are respectively in control connection with the two sets of stator coil windings. The hydraulic steering pump is provided with the two sets of stator coil windings capable of running simultaneously or independently, when one set of stator coil winding breaks down, the other set of stator coil winding can be kept in the running state, the hydraulic steering pump is effectively driven by driving the rotor assembly to provide hydraulic steering assistance for a vehicle, and driving safety is guaranteed.

The invention relates to the technical field of medical instruments, in particular to an electromagnetic needleless injector which comprises a shell, a nozzle assembly, a liquid storage assembly, a driving assembly and an intelligent control system. Firstly, a series excitation linear motor is adopted to replace a traditional needleless injector driven by a spring, and the problems that driving force is limited and elasticity is attenuated due to the spring are effectively solved. According to the series excitation linear motor, through excitation magnetic field coupling between the stator coil and the rotor coil in the motor, the rotor directly drives the plunger rod to do linear motion in the axial direction so as to complete injection, the structure is simpler, the direct drive type connection structure is adopted, the stability is higher, and force transmission is more accurate. In addition, an intelligent control system integrated in the needleless injector enables the needleless injector to be more intelligent, control precision is higher, operation is more convenient, the needleless injector can be wirelessly connected with a breeding cloud management system, rapid, accurate and painless injection of live pigs and other animals can be achieved, and breeding efficiency and injection safety are improved.

To provide a motor cooling system capable of efficiently cooling the coil ends of a stator coil.SOLUTION: A motor cooling system S1 supplies cooling oil to each part of a motor 1, and includes a heat exchanger, a stator 10 having a stator core 11 on which a stator coil is mounted, a rotor 40 having a rotor core 41, and stator-side and rotor-side oil passages 80, 90 that can supply oil that has passed through the heat exchanger to the stator 10 and the rotor 40. The stator 10 is configured such that oil that has passed through the stator-side oil passage 80 is supplied to the first coil end 17a without flowing inside the stator core 11. The rotor 40 is configured such that oil that has passed through the rotor-side oil passage 90 is supplied to the first coil end 17a from the radially inner side without flowing inside the rotor core 41.SELECTED DRAWING: Figure 1

The invention relates to the technical field of bearing running-in testing, in particular to a running-in testing device of a liquid metal bearing for CT. The running-in testing device comprises a running-in testing tool, the running-in testing tool comprises an outer barrel shell, a running-in testing cavity is formed in the outer barrel shell, and an opening is formed in the upper end face of the outer barrel shell; an outer barrel cover capable of sealing the opening is arranged at the opening, and the outer barrel cover is connected to the upper end face of the outer barrel shell through a plurality of connecting pieces; the bottom end face of the outer barrel shell is detachably connected with an outer barrel bottom plate through a connecting piece, the upper end face of the outer barrel bottom plate is detachably connected with an inner barrel bottom plate through a connecting piece, an inner barrel shell is arranged above the inner barrel bottom plate, the inner barrel shell is located in the center of the running-in test cavity, and the outer ring of the inner barrel shell is sleeved with a stator coil. The liquid metal bearing running-in testing device can be suitable for running-in testing of the liquid metal bearing in a CT bulb tube, working performance parameters of the liquid metal bearing can be accurately obtained in time, and therefore the working reliability of the liquid metal bearing is verified.

To provide a stator capable of attaining improvement in assemblability, reduction in the number of components and downsizing, a rotary electric machine and a work machine.SOLUTION: A stator comprises a stator coil which is wound around a cylindrical stator core and includes a plurality of terminal side extension parts extending outward from a first end face of the stator core in an axial direction and disposed in a circumferential direction of the stator core. The plurality of terminal side extension parts includes a first extension part and a second extension part which are bent between a portion, to which a power line is connected, and the first end face, and are adjacent to each other in the circumferential direction. Bending positions of the first extension part and the second extension part are different from each other in the axial direction.SELECTED DRAWING: Figure 5

The invention discloses an automatic loading and unloading device and method for a stator coil linear hot pressing process, belongs to the field of stator coil manufacturing, and aims to improve loading and unloading efficiency and guarantee personal production safety. The device comprises a ground rail parallel to a linear hot press, a first joint robot and a second joint robot are arranged on the ground rail in a sliding mode, and loading and unloading devices are arranged at the tail ends of the first joint robot and the second joint robot. The first joint robot and the second joint robot convey a mold pressing plate on the lifting frame and a stator coil on the second power roller way into a mold cavity of the linear hot press through the loading and unloading device. Or the first joint robot and the second joint robot send the mold pressing plate in the mold cavity of the linear hot press to the placing lifting frame through the loading and unloading device, and the stator coil subjected to hot pressing is conveyed to the first power roller way. The loading and unloading efficiency is improved, manual loading and unloading operation is replaced, and the problems of high manual operation intensity, low loading and unloading efficiency and the like are solved.

A rotating machine has a rotor and a stator that faces the radial outer side of the rotor via a gap. The stator has a stator coil and a stator core having a slot accommodating the coil. The stator has a thin film member covering at least a portion of an inner circumferential surface of the core, and having a window unit exposing the core to the radial inner side. A cylindrical unit covers the inner peripheral surface of the core on both axial sides of the window. The thin film member has a radiating unit that expands to the radial outer side from the cylindrical unit across a side wall of the slot. The thin film member has a first flow path that reaches from the window unit to the radial outer side of the cylindrical unit, and extends to both axial ends along the radiating unit.

The invention provides an MW-level full-superconducting synchronous motor based on stepped superconducting coils, which relates to the field of motors and comprises a stator superconducting winding, a rotor superconducting winding, a stator low-temperature sealing system, a rotor dynamic low-temperature sealing system and a vacuum sealing system. The stator superconducting winding provides a low-temperature operation environment through the stator low-temperature sealing system, the rotor superconducting winding provides a low-temperature operation environment through the rotor dynamic low-temperature sealing system, and the vacuum sealing system of the motor provides a vacuum environment for the rotor dynamic low-temperature cooling system and the stator low-temperature cooling system at the same time. The design of the stepped stator coil and the rotor coil can effectively utilize the internal space of the superconducting motor, and improves the electromagnetic parameters of the motor at the same time.

The invention discloses a motor stator coil winding tension self-adaptive control device and method, and relates to the field of motor stator coil winding, the motor stator coil winding tension self-adaptive control device comprises a lifting plate, one side of the lifting plate is rotatably connected with a connecting arm, the connecting arm is L-shaped, the bottom of one end of the connecting arm is fixedly provided with a fixing rod, the bottom end of the fixing rod is connected with a winding plate, and the winding plate is fixedly connected with the lifting plate. A groove is formed in one side of the top end of the connecting arm, an electric push rod is fixed in the groove, one end of the electric push rod is connected with an arc-shaped plate, a pressure sensor is embedded in the middle of the interior of the arc-shaped plate, and due to the blocking effect of the arc-shaped plate, when a copper wire makes contact with the arc-shaped plate, the copper wire can be extruded on the pressure sensor; the pressure sensor can detect the extrusion force of the copper wire, if the extrusion force is too large, the tightness of the copper wire is high, at the moment, the copper wire can be released more quickly by retracting the electric push rod or enabling the second motor to release, the tightness of the copper wire is reduced, and the phenomenon that the wound copper wire is broken due to too large tension is avoided.

An electrical axial flux machine, in particular for a drive train of a hybrid or fully electrically operated motor vehicle is provided. The axial flux machine includes a stator having a plurality of stator coils distributed over the circumference of the stator; power electronics for supplying current to the stator coils; and a high-voltage terminal for establishing an electrical connection between the stator coils and the power electronics. Busbars are located above the stator coils, in the radial direction. The busbars enclosing, in an annular manner, the stator and / or a rotor that can be rotated relative to the stator, and electrically conductively connecting the stator coils to the high-voltage terminal.