73 results about "Three phase asynchronous motor" patented technology

The invention relates to an energy efficiency prediction method and system based on a three-phase asynchronous motor. According to the method, an equivalent circuit model based on a motor physical mechanism is constructed, and theoretical current and ideal loss are generated to serve as benchmark references; voltage and current signals of actual operation of the motor are collected in real time, and vector subtraction is carried out on actually measured current and theoretical current to obtain difference current signals; blind source separation processing under physical constraint is applied to the difference signal, independent components representing different physical loss sources are decoupled, and additional power of the independent components is quantified; and the ideal loss, the additional loss and the output power are fused to realize dynamic accurate prediction of the real-time energy efficiency of the motor. According to the scheme, through the synergistic effect of differential driving and a physical mechanism, penetrability diagnosis of loss roots such as power grid interference and mechanical degradation is achieved, and the self-adaptive precision of energy efficiency prediction under variable working conditions is improved more remarkably.

The utility model discloses a novel rapid disconnecting switch type electric braking device, which comprises an isolated-phase enclosed busbar cylinder, a main loop conductor, a static contact, a movable guide rod, a short-circuit copper bar, a transmission mechanism, an operating mechanism, a control box and the like, and is characterized in that the electric braking device is in three-phase linkage control, and is in three-phase short circuit at the tail end of the device to form braking short-circuit current; contact of a moving contact and a static contact of a main loop of the device is designed in a sliding connection mode, the transmission mechanism integrally adopts a swing rod mode to drive a moving guide rod to ascend or descend, and the operating mechanism is composed of a three-phase asynchronous motor, a gear reducer, an energy storage assembly, a crank arm assembly and other elements. And the transmission mechanism is driven by the external swing arm and the connecting rod to perform quick opening and closing actions.

The utility model discloses a three-phase asynchronous motor with a high-efficiency heat dissipation dustproof structure, which comprises a three-phase asynchronous motor main body, a mounting mechanism arranged at the bottom of the three-phase asynchronous motor main body, an output mechanism arranged at one end of the three-phase asynchronous motor main body, and a heat dissipation mechanism arranged on the outer side of the three-phase asynchronous motor main body. The heat dissipation mechanism comprises axial heat dissipation fins, spiral heat dissipation fins, a mounting shaft, a fastening bolt and a heat dissipation fan; a protection mechanism is arranged on the side wall of the three-phase asynchronous motor main body; the protection mechanism comprises a mounting block, a protection cover, a mounting stud and honeycomb heat dissipation holes, a first sealing mechanism is arranged on the inner wall of the protection cover, and a second sealing mechanism is arranged on the side wall of the protection cover; the outer surface heat dissipation air channel of the three-phase asynchronous motor is optimized through the additionally arranged spiral heat dissipation fins, the heat dissipation efficiency is improved, the protective cover and the air inlet and outlet part are sealed and protected through the first sealing mechanism and the second sealing mechanism, the risk that dust enters the protective cover can be reduced, and the three-phase asynchronous motor is suitable for severe working conditions such as mines and spinning.

The invention belongs to the technical field of motors, and discloses an explosion-proof three-phase asynchronous motor with a cooling structure, which comprises a motor shell and an output shaft arranged in the motor shell, the output shaft is externally connected with a rotor, the inner wall of the motor shell is connected with a stator coil matched with the rotor, and the outer wall of the motor shell is provided with an annular heat exchange groove. The upper end of the outer wall of the motor shell is provided with a liquid inlet groove. According to the explosion-proof three-phase asynchronous motor with the cooling structure, efficient heat exchange is achieved through the closed-loop liquid cooling channel design, the annular heat exchange grooves in the outer wall of the motor shell are communicated with the liquid inlet grooves and the liquid outlet grooves in the upper end and the lower end to form a complete cooling liquid circulation path, and the multiple heat exchange structures can ensure that heat is evenly transmitted and dissipated; the problem of local overheating caused by insufficient heat dissipation area of traditional natural heat dissipation is avoided, the heat management efficiency of the motor core component is remarkably improved, and the liquid cooling circulation channel is directly arranged in the motor shell, so that compared with a traditional external heat dissipation structure, the heat dissipation efficiency is high.

The utility model relates to motor heat dissipation technical field, and disclose the heat dissipation device for three-phase asynchronous motor, including motor, the motor is fixedly connected with stator in, the stator is rotatably connected with motor rotating shaft, one end of motor rotating shaft is fixedly connected with fan blade, the front end of motor rotating shaft is sleeved with the jet nozzle, the fan blade and jet nozzle are arranged respectively in the both ends of stator, the motor inner wall is opened with a plurality of the connection hole that sets up in the circumference, one end of jet nozzle is movably sleeved with the air inlet cover, the jet nozzle is fixedly sleeved on motor rotating shaft. The device can spray part of air into the motor shell to the front end of stator, effectively cools the front end of stator, to this guarantee the heat dissipation effect of stator front end, and the jet nozzle can rotate with rotor, make the jet orifice rotate along with, thereby make the airflow that the jet orifice sprays can cover the different positions of stator front end, effectively improved the uniformity of stator front end cooling.

The utility model discloses polishing equipment for box machining, and relates to the technical field of box machining. Comprising a rack, a feeding mechanism is installed on the rack, polishing mechanisms are installed on the portions, located on the front side and the rear side of the feeding mechanism, of the rack, the feeding mechanism comprises a linear module, a platen, a back-to-back type air cylinder and clamping plates, the platen is installed on the linear module, the back-to-back type air cylinder is installed at the bottom of the platen, and the clamping plates are installed on piston rods on the two sides of the back-to-back type air cylinder. According to the grinding equipment for box body machining, a box body is placed on the table plate, the back-to-back type air cylinder is used for driving the clamping plates to clamp and fix the box body, the propelling air cylinder is used for driving the carborundum roller to get close to the side face of the box body for tool setting, and the three-phase asynchronous motor is used for driving the carborundum roller to rotate at a high speed and make contact with the side face of the box body for grinding; in the polishing process, the linear module is used for feeding, the two side faces of the box can be polished at the same time, the automation degree is high, and the polishing efficiency is high.

1. Name of the product in this design: Three-phase asynchronous motor. 2. Application of this design: This design is mainly used to drive production machinery and equipment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a three-phase asynchronous motor database construction method and system, and the method comprises the steps: obtaining the source data of a three-phase asynchronous motor, and the source data comprises the common parameters, geometric dimensions and performance parameters of the motor; analyzing a data dependency relationship among the common parameters, the geometric dimensions and the performance parameters to determine a determination condition of each data set; creating a plurality of correlative data tables based on the data dependency relationship, wherein the data tables comprise a geometric dimension table group for storing geometric dimensions of the motor and a performance parameter table for storing performance parameters of the motor; and constructing an entity-relationship model of the database based on the association relationship among the plurality of data tables, and generating an SQL statement for data query. According to the technical scheme provided by the invention, structured and standardized storage of the motor data is realized, data redundancy is remarkably reduced, data reusability and query efficiency are improved, and industrial digital application is effectively supported.

The utility model relates to a tensioning hydraulic system which comprises a hydraulic oil tank, a tensioning oil cylinder and a three-position four-way electromagnetic directional valve, a P port of the three-position four-way electromagnetic directional valve is communicated with the hydraulic oil tank through a first pipeline, and a T port of the three-position four-way electromagnetic directional valve is communicated with the hydraulic oil tank through a second pipeline. A port A of the three-position four-way electromagnetic directional valve is communicated with a rodless cavity of the tensioning oil cylinder through a third pipeline, a port B of the three-position four-way electromagnetic directional valve is communicated with a rod cavity of the tensioning oil cylinder through a fourth pipeline, the first pipeline is provided with a first pump and a first one-way valve, and an outlet of the first one-way valve is communicated with the hydraulic oil tank through a fifth pipeline. The fifth pipeline is provided with a second pump and a second reversing valve, an inlet of the second reversing valve is communicated with the hydraulic oil tank through an electromagnetic overflow valve or a combination valve, and the combination valve is composed of a two-position four-way electromagnetic reversing valve and a pressure regulating valve. And the working efficiency is greatly improved under the condition that the power of the three-phase asynchronous motor is not increased.

The utility model discloses an asymmetric cooperative control three-phase balance motor soft starter, comprising a three-phase AC power supply input end, a power adjusting unit, an output end connected to a three-phase asynchronous motor, and a main controller which are connected in sequence. The power adjusting unit comprises an A-phase control module which is internally provided with a first thyristor at least controlled by a main controller; the B-phase control module is internally provided with a pair of antiparallel second thyristors controlled by the main controller; and the C-phase control module is internally provided with a pair of third thyristors which are controlled by the main controller and are reversely connected in parallel. The main controller cooperatively controls the conduction angles of the first thyristor, the second thyristor pair and the third thyristor pair in the starting process of the motor by outputting a control signal so as to adjust the voltage applied to the motor and improve the balance of the three-phase output voltage. According to the utility model, the three phases are controlled, so that the three-phase balance during starting is effectively improved, and the vibration and noise of the motor are reduced.

This invention belongs to the field of heat dissipation technology for three-phase asynchronous motors, specifically a heat dissipation structure for three-phase asynchronous motors, including a housing, stator, main shaft, main shaft bearing, air-cooled heat dissipation assembly, water-cooled heat dissipation assembly, and a linkage lubrication assembly. Addressing the shortcomings of existing three-phase asynchronous motors, such as a single heat dissipation method, cumbersome lubrication maintenance, and insufficient heat dissipation adaptability under different operating conditions, this invention effectively solves the technical problems of low heat dissipation efficiency, inconvenient bearing lubrication maintenance, and poor heat dissipation adaptability under low-speed and high-speed conditions by combining air-cooling and water-cooling dual heat dissipation modes with an automatic lubrication mechanism linked to the heat dissipation process. It achieves integrated control of heat dissipation and lubrication, improving the stability and reliability of the three-phase asynchronous motor operation, extending the service life of the three-phase asynchronous motor and its components, reducing the maintenance cost of the three-phase asynchronous motor, and adapting to the operating requirements of three-phase asynchronous motors in various industrial production scenarios.

The utility model discloses a molten plastic heating and stirring system of an injection molding machine, which is characterized by comprising a three-phase power supply; the three-phase power supply is connected with a circuit breaker QF; the circuit breaker QF is connected with a main circuit and a control circuit; wherein the main circuit comprises a three-phase asynchronous motor M, a heating resistor R, a first contactor KM1, a second contactor KM2, a third contactor KM3, a first thermal relay FR1 and a second thermal relay FR2; the control circuit comprises a starting control loop, a forward stirring control loop, a reverse stirring control loop and a heating control loop; the three-phase asynchronous motor M is used for stirring molten plastic in the injection molding machine; the first contactor KM1 is used for controlling forward stirring of the motor; the second contactor KM2 is used for controlling reverse stirring of the motor; and the third contactor KM3 is used for controlling the operation of the heating resistor R. The injection molding machine has the following beneficial effects that automatic heating and forward and reverse alternate stirring control of molten plastic in the injection molding machine are realized.

The present application belongs to the technical field of spare parts management, and discloses a spare parts management method for maintenance of a three-phase asynchronous motor, which comprises the following steps: preparing basic data information, establishing a standard subordinate relationship between the three-phase asynchronous motor and the spare parts; processing the basic data and arranging them in order; spare parts classification and control, combining the AHP-ABC method and the characteristic data clustering method; screening the number of important three-phase asynchronous motors on the production line; and inventory control and maintenance plan of important motor spare parts. The present application improves the reliability and accuracy of the three-phase asynchronous motor on the production line, and has good stability.

1. Name of the designed product: intelligent phase control speed controller (mechanical size M350). 2. Use of the designed product: the product is mainly used for speed control of three-phase asynchronous motor. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The utility model relates to the field of single-phase-to-three-phase power supplies, in particular to a portable single-phase-to-three-phase electrical control power supply device, which comprises a two-pole single-phase circuit breaker, a frequency converter, a three-phase autotransformer, a single-phase transformer, a two-pole circuit breaker and a three-pole circuit breaker, the input end of the two-pole single-phase circuit breaker is connected with an external alternating-current power source, the output end of the two-pole single-phase circuit breaker is connected with the input end of the frequency converter, the output end of the two-pole single-phase circuit breaker is further connected with the input end of the single-phase transformer, and the output end of the frequency converter is connected with the input end of the three-phase autotransformer. The output end of the three-phase autotransformer is connected with the input end of the three-pole circuit breaker, the output end of the three-pole circuit breaker is connected with the three-phase asynchronous motor, the output end of the single-phase transformer is connected with the input end of the two-pole circuit breaker, and the output end of the two-pole circuit breaker is connected with the control circuit. The device is small in size and convenient to install, and the cost is greatly reduced.

The utility model discloses a reinforced concrete door leaf platform, which relates to the technical field of door leaf manufacture and comprises a platform panel, elevators are fixedly mounted at four corners of the bottom of the platform panel respectively, and a speed reducer and a three-phase asynchronous motor are fixedly connected to the center of the bottom of the platform panel. An input shaft of the speed reducer is fixedly connected with an output shaft of the three-phase asynchronous motor, the front side and the rear side of the output shaft of the speed reducer are each fixedly connected with a transmission shaft, the tail ends of the transmission shafts are connected with a commutator, and the commutator is fixedly connected to the bottom of the platform panel. A connecting rod is connected between the reverser and each of the left and right adjacent elevators; and a plurality of positioning mechanisms are mounted at the bottom of the platform panel. The prefabricated door leaf can be horizontally jacked up through the four lifters, then the purpose of horizontal demolding of the prefabricated door leaf is achieved, damage to the corners of the concrete prefabricated door leaf is avoided, the demolding work efficiency is improved, and use is very convenient.

This utility model relates to a three-phase asynchronous motor for high-temperature environments, applicable to the field of electric motors. It includes a motor body, with a mounting plate fixedly connected to the upper end of the motor body. Two mounting shells are provided on the upper end of the mounting plate, and a lower mounting shell is fixedly connected to the mounting plate. A terminal block is fixedly connected to the inner bottom wall of the lower mounting shell, and multiple terminal heads are installed on the upper end of the terminal block. A pressure plate is fixedly connected to one end of each of the two mounting shells. Multiple outlet holes, corresponding to the multiple terminal heads, are chiseled at the front end of the pressure plate. A sealing strip is fitted onto the outer surfaces of the two pressure plates and the two mounting shells. A limit groove is chiseled at the end of the sealing strip near the mounting shell, and a limit strip is provided within the limit groove. This dual heat dissipation function significantly reduces the operating temperature of the junction box, avoiding long-term high-temperature operation, thereby reducing the risk of damage to internal components and effectively improving the stability and reliability of the motor operation.

The utility model discloses a novel grinding device which comprises a main shaft, a three-phase asynchronous motor and a silicon carbide ceramic lining, an inner taper sleeve is arranged on the main shaft, a front grinding seat is arranged on the inner taper sleeve, a rear grinding seat is arranged on the front grinding seat, and wear-resistant steel rod pins are arranged on the front grinding seat and the rear grinding seat. According to the utility model, the grinding structure is optimized, under the dragging of the motor, the grinding rod pin realizes high-speed rotation, the linear speed reaches 13-14m / s, and the rear grinding seat is of a hollow structure, so that when high-speed rotary and large-mass materials and grinding zirconium beads reach a grinding area due to larger centrifugal force, the constraint of high viscosity is effectively broken through, and the grinding efficiency is improved; by means of the characteristic of conical surface matching, large-torque transmission is achieved, and meanwhile the characteristic of being easy to disassemble is achieved.

The application belongs to the technical field of three-phase asynchronous motors, in particular to an explosion-proof three-phase asynchronous motor, which comprises a shell, the end of the shell is provided with a heat dissipation shell, and the lower part of the shell is provided with a cushion plate; a pair of air inlet pipes are symmetrically and communicatively arranged on the two sides of the heat dissipation shell; the explosion-proof three-phase asynchronous motor is provided with a filtering assembly in the air receiving box, in use, the first air pump draws the air outside into the air receiving box, the air is filtered by the filtering assembly in the air receiving box, then enters the heat dissipation shell through the air inlet pipe, and finally is discharged from the heat dissipation holes on the side of the heat dissipation shell, and the motor is cooled in the process; the dust in the air is filtered by the filtering assembly in the air receiving box, so that the dust is prevented from entering the motor and affecting the use of the motor, and the motor is prevented from malfunctioning due to a large amount of dust in the motor.

The utility model discloses a three -phase asynchronous motor with mute function relates to three -phase asynchronous motor technical field, the utility model discloses a three -phase asynchronous motor still includes: noise reduction mechanism, noise reduction mechanism sets up in the tail of three -phase asynchronous motor, and noise reduction mechanism is used for the noise of tail portion to carry out noise reduction, and sound absorption mechanism, sound absorption mechanism sets up in the output site of three -phase asynchronous motor, the utility model discloses the dust cover is positioned and is inserted with the positioning boss through the U -shaped block of inside, then the dust cover is fixed through screw, and the dust cover is limited with the cooperation of U -shaped block and positioning boss, reduces the shaking of dust cover, and the rubber pad can play the effect of shock attenuation when shaking, improves the mute effect, and the sound absorption cotton is in the rotation of radiating fan, absorbs the noise generated, improves the mute effect again, reduces the noise pollution in working environment greatly, thereby guarantees the comfort degree of staff.

1. Name of the designed product: permanent magnet synchronous and three-phase asynchronous motor. 2. Use of the designed product: power output device. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo that best shows the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The invention relates to the technical field of three-phase asynchronous motors, in particular to a high-efficiency explosion-proof three-phase asynchronous motor which comprises a motor body and an explosion-proof shell, and the outer side of the motor body is fixedly connected with the explosion-proof shell. The overheating clutch mechanism is arranged and comprises a heat absorption ring, a heat absorption expansion piece, a flowing heat dissipation assembly, an extrusion ring, a liquid storage ring, a pushing column, a pushing rod, a movable ring, a connecting piece, a connecting rod, a movable shaft and the like. Then liquid in a liquid storage ring is driven to be transmitted to a pushing column through a hose and drives a pushing rod and a movable ring to move, so that a connecting piece can trigger a connecting rod to be separated from the output end of the motor through displacement of the movable ring, and then the device can automatically and rapidly cut off power output when the motor is overheated; an external electronic control system is not needed, response is timely, the structure is reliable, and the motor is effectively prevented from being burnt due to overload.

The invention discloses a special low-noise three-phase asynchronous motor for a cooling tower, which comprises a motor and a mounting mechanism, the motor is mounted at the upper end of the mounting mechanism, the motor comprises a casing, a terminal, an inner stator core, a stator winding and a permanent magnet outer rotor, and the terminal is arranged outside the casing. Each iron core is formed by superposing a plurality of silicon steel sheets, an oxide layer is coated between the silicon steel sheets of each iron core, the oxide layers are used for blocking an eddy current path and reducing eddy current loss, the connecting cylinders made of epoxy resin are connected between the three groups of iron cores, micro-vibration between the iron cores is reduced, and therefore electromagnetic noise of a stator winding and a permanent magnet pole is reduced. And through the ventilation openings and the connecting plates arranged among the three groups of outer rotor magnet yokes, a relatively large flowing space exists between the inner stator iron core and the permanent magnet outer rotor, heat is rapidly conducted outwards, and the heat is prevented from being accumulated between the inner stator iron core and the permanent magnet outer rotor.

The application relates to a magnetic field assisted polishing technology, and particularly discloses a magnetic field assisted intelligent polishing device and method using a three-dimensional magic ring rotating magnetic field, and belongs to the polishing technical field.The device comprises a box body, a mechanical arm, a base, a polishing main body device, a medium circulation device, a control platform, a workpiece and a clamp, the polishing main body device comprises a magnetic field generating device, a magnetic pole base, an axial magnetic field vibration mechanism, a three-phase asynchronous motor, a transmission mechanism, a hollow rotating shaft and a magnetic pole isolation plate.The magnetic poles in the magnetic field generating device are magnetized in different directions to realize different coupling magnetic fields in the polishing area; the medium circulation device has the functions of a feedback control flow adjusting regulator and a temperature adjusting device, and can realize accurate control of the flow of the nozzle and the temperature of the polishing medium in the polishing area; in combination with the rotation and periodic vibration of the magnetic field generating device and the high-speed rotation and multi-degree-of-freedom control of the workpiece, efficient intelligent polishing of workpieces with different feature types can be realized.

The invention discloses an explosion-proof variable-frequency speed-regulation three-phase asynchronous motor, and relates to the technical field of motors, the explosion-proof variable-frequency speed-regulation three-phase asynchronous motor comprises a shell, a cooling shell is fixedly mounted in an inner cavity of the shell, a stator is fixed on the inner wall of the cooling shell, and the outer wall of the stator abuts against the inner wall of the cooling shell; a closed cooling cavity is formed between the outer arc face of the cooling shell and an inner cavity of the shell, a flow equalizing assembly used for providing cooling liquid for the cooling cavity is arranged at the upper end of the shell, a backflow structure used for recycling the cooling liquid is arranged at the lower end of the shell, and the backflow structure is connected with the flow equalizing assembly through a hose, a heat exchanger and a liquid pump. By means of the annular cooling cavity, the cooling liquid can form 360-degree full-covering contact around the outer arc face of the cooling shell, the heat exchange area of the cooling shell and the cooling liquid is maximized, the cooling liquid flowing out of each flow equalizing pipe can directly enter the corresponding flow equalizing channel through the flow equalizing assembly, the cooling liquid can be repeatedly used through closed-loop circulation, frequent supplement is not needed, and the cooling efficiency is improved. And the operation cost is reduced.

The utility model belongs to the technical field of small-sized excavators, and discloses a three-phase asynchronous motor for a small-sized excavator, which comprises a three-phase asynchronous motor, and symmetrically arranged supports are mounted on the three-phase asynchronous motor; the device further comprises a fixing base installed on the small excavator, clamping strips corresponding to the supports are installed on the top of the fixing base, hexagon socket screws are installed on the clamping strips in a threaded fit mode, the supports are installed on the clamping strips through the hexagon socket screws, and the three-phase asynchronous motor is installed on the fixing base through the supports, the clamping strips and the hexagon socket screws. The support comprises a rectangular clamping groove formed in the bottom of the support. The clamping strip comprises rectangular clamping plates which are fixed to the fixing base and correspond to the rectangular clamping grooves respectively, the rectangular clamping grooves are matched with the rectangular clamping plates, and side clamping grooves are formed in the left side and the right side of each rectangular clamping groove. According to the utility model, the three-phase asynchronous motor can be conveniently assembled on the mini-excavator, and the operation is simple and fast.

This application relates to the field of coal mine mud pump technology, specifically disclosing a mud pump truck for directional drilling in coal mines. It includes a track assembly, a frame assembly mounted on the track assembly, and, from left to right, an energy storage assembly, a mud pump assembly, a high-pressure filter assembly, a multi-way reversing valve assembly, an oil tank assembly, a mine explosion-proof LED locomotive light, a mine explosion-proof three-phase asynchronous motor, a mine explosion-proof and intrinsically safe vacuum electromagnetic starter, and a table-like mounting platform. A pilot control assembly, a portable methane detector alarm, a mine explosion-proof emergency stop button, and mine explosion-proof control buttons are bolted to the mounting platform. This invention solves the technical problem in existing technologies where, to achieve high-flow, high-pressure mud transportation in coal mines, a dual-pump design with greater flow and pressure or increased pump power is used, leading to accelerated contamination and deterioration of the pump truck's hydraulic oil.

The utility model discloses an industrial fan motor noise detection device, which relates to the technical field of noise detection and comprises a three-phase asynchronous motor mounting shell, a detection component mounting shell is mounted at the top end of the three-phase asynchronous motor mounting shell, and a water tank is fixedly connected to the inner top wall of the detection component mounting shell. A flow guide pipe is connected to the outer wall of one side of the water tank, a detection assembly is further installed in the detection assembly installation shell, and the detection assembly comprises a fixed shell fixedly connected with the inner bottom wall of the detection assembly installation shell; according to the utility model, the non-acoustic detection principle is adopted through the detection assembly, vibration detection is carried out, a clear positive correlation exists between motor noise and vibration, the larger the noise is, the more intense the vibration amplitude is, and the detection focus is transferred from a sound signal to the vibration state of the motor. And the direct influence of external noise on the detection result is fundamentally avoided.

The invention relates to the technical field of motors, in particular to an ultra-high-efficiency explosion-proof three-phase asynchronous motor, which comprises a motor shell, a stator coil is fixedly connected in the motor shell, a rotor is rotatably connected in the stator coil, and the stator coil is magnetically connected with the rotor. Through electromagnetic cooperation between the stator coil and the rotor, the rotor rotates in the motor shell, when the stator coil is powered on, the braking mechanism is closed, so that the rotor can keep smooth rotation, and when the stator coil is powered off and the rotor needs to stop braking, the stator coil is not powered on at the moment, so that the braking mechanism is in a working state; the rotor is stopped through the torque generated by friction; in the braking process, liquid in the liquid storage pipe is more and more through a piston suction and pushing method, and then whether the braking device is normal or not can be judged by observing the moving distance of the detection block.

The utility model relates to motor technical field, specifically disclose a split module's three phase asynchronous stator rotor assembly, include: stator mechanism is the stator of three phase asynchronous motor, the rotor mechanism is sleeved in the stator mechanism, and the rotor mechanism and stator mechanism constitute three phase asynchronous stator rotor assembly. This split module's three phase asynchronous stator rotor assembly, each stator core cylinder in stator mechanism and the structure part such as the core module in rotor mechanism all adopt modularization design, when the motor operation failure, maintenance personnel can locate the fault module quickly, further, the stator mechanism is formed gradually by stator core cylinder one, stator core cylinder two and stator core cylinder three, and the accurate snap fit connection of strip protruding block of outer wall and strip recess of inner wall between each cylinder, the installation of close cooperation optimizes the magnetic field conduction path, provides stronger electromagnetic driving force for the rotor, makes the motor more efficient in the operation process.