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456results about "Centering/balancing rotors" patented technology

Motor assembling equipment and motor assembling method

The invention provides motor assembling equipment and a motor assembling method. The motor assembling equipment comprises a turnover displacement device, an assembling device and a rotor supporting device, and the turnover displacement device is used for clamping and displacement of a stator; the assembling device comprises a clamping module and an ejector pin module, wherein the clamping module comprises a chuck and a yoke part mounting part which can be close to or far away from each other; the ejector pin module comprises two ejector pins which are oppositely arranged and can be close to or far away from each other, and the two ejector pins are coaxial with the chuck; the rotor supporting device is used for supporting the rotor, is arranged below the assembling area and can move horizontally, and the rotor supporting device can move up and down to achieve adjustment and avoidance. According to the motor assembly equipment and the motor assembly method, high-efficiency and high-precision automatic assembly of the rotor module and the stator can be realized, so that the problems of low manual assembly efficiency, poor safety and unstable assembly quality in the prior art are solved.
Owner:ZHEJIANG JUNRUI INTELLIGENT EQUIP CO LTD

Axial flux motor assembly tool and method

The invention discloses an axial magnetic flux motor assembly tool and method which are used for assembling a single-stator double-rotor axial magnetic flux motor. The axial magnetic flux motor assembly tool comprises a rack, and a stator tool piece, a first rotor tool piece, a second rotor tool piece and a driving piece which are mounted on the rack. The stator tool piece, the first rotor tool piece and the second rotor tool piece are used for installing a stator assembly, a first rotor assembly and a second rotor assembly respectively, so that the stator assembly, the first rotor assembly and the second rotor assembly are always kept in a stable state, and magnetic disk adsorption force between a stator and a rotor is resisted. The first rotor assembly, the second rotor assembly and the stator assembly are always kept at the same interval in the assembling process, it is ensured that stator and rotor air gaps on the two sides of the stator are consistent, the magnetic attraction force of the rotor assemblies on the two sides to an iron core of the stator assembly is mutually counteracted, and therefore the axial magnetic flux motor high in assembling precision is obtained.
Owner:VOYAH AUTOMOBILE TECH CO LTD

Stator and rotor assembling equipment for motor

The utility model discloses stator and rotor assembling equipment for a motor, and the equipment comprises a rack which is provided with a substrate suitable for supporting a motor housing; the frame is arranged on the rack, and a sliding rail extending in the height direction is arranged on the frame; the first supporting plate is located on one side, in the height direction, of the base plate and is in sliding connection with the sliding rail, a first limiting part is detachably arranged on the first supporting plate, and the first limiting part selectively abuts against one end of the motor rotor; the second supporting plate is located on the other side, in the height direction, of the base plate and is in sliding connection with the sliding rail, a second limiting part is detachably arranged on the second supporting plate, and at least part of the second limiting part penetrates through the base plate and selectively abuts against the other end of the motor rotor. According to the stator and rotor combination equipment for the motor, the stator and rotor combination equipment can be used for carrying out stator and rotor combination on various motors with different specifications, and the compatibility is higher.
Owner:BEIJING HAINACHUAN AUTOMOTIVE PARTS

Airplane electric seat motor assembling device

The invention relates to the technical field of motor assembly tools, and particularly provides an aircraft electric seat motor assembly device. The rotor assembly and stator assembly press-fitting device comprises a workbench, and a rack is fixed to the surface of the workbench; the side clamping mechanism is assembled on the rack and is used for carrying out side clamping and positioning on the stator assembly; the buffer positioning frame is arranged at the top end of the rack and comprises two positioning supporting plates which are horizontally and oppositely arranged; the shaft positioning mechanism is arranged below the rack; and a pressing mechanism. When press fitting is executed, the pressing part drives the rotor part and the positioning supporting plate to descend synchronously, the lifting part pushes the guide cylinder to move upwards, and the rotor shaft enters the position between the two side clamping pieces; according to the device provided by the invention, the precision of press-fitting positioning and the stability of press-fitting operation are greatly improved, the coaxiality of press-fitting cooperation between the rotor assembly and the stator assembly is improved, the uniformity of air gaps is ensured, and the press-fitting quality is improved.
Owner:上海高博航空制造有限公司

Motor stator and rotor assembly machine and assembly method thereof

The invention relates to a motor stator and rotor assembly machine and an assembly method thereof. The motor stator and rotor assembly machine comprises a rack, and a rotor clamping mechanism, a stator clamping mechanism and an ejector pin positioning mechanism which are sequentially arranged on the rack at intervals from one end to the other end. The rotor clamping mechanism comprises a first supporting base, a clamping device installed on the first supporting base and a servo combined assembly electric cylinder, one end of the servo combined assembly electric cylinder is connected with the stator clamping mechanism, and the stator clamping mechanism can move close to or away from the rotor clamping mechanism under driving of the servo combined assembly electric cylinder. The stator clamping mechanism comprises a second supporting seat, a lifting driver, a base, a positioning clamping assembly and a positioning flange plate, wherein the second supporting seat is mounted on the rack in a sliding manner and is connected with the servo combined mounting cylinder; the lifting driver and the base are mounted on the second supporting seat and are connected with each other; the positioning clamping assembly and the positioning flange plate are mounted on the base; the motor stator and rotor assembly machine can replace manual assembly, and is high in assembly efficiency, good in assembly quality, good in assembly universality and very practical.
Owner:DONGGUAN MACWELL AUTOMATION TECH CO LTD

Electric motor

A field of electric motors, such as electric motors and electric generators for industrial applications, and more particularly to an electric motor. The electric motor of the present invention includes a rotor including a shaft and a rotor core supported on the shaft, a stator surrounding the rotor, a motor frame surrounding the stator and including a first end plate at a drive end of the electric motor, and a bearing shield attached to the first end plate, wherein a non-drive end of the electric motor is supported by a non-drive end supporting foundation, and a drive end of the electric motor is configured to be mounted together with a load with help of an adjustment flange, and wherein the electric motor further includes at least three threaded adjustment pieces fixed to the bearing shield or to the adjustment flange, and at least three threaded adjustment screws, each of the adjustment screws configured for being driven through a respective threaded adjustment piece and for moving the adjustment flange radially.
Owner:ABB (SCHWEIZ) AG

System for assembling a generator, generator vertical assembly device and corresponding assembling method

The invention relates to a system (2, 102) for assembling a generator (3, 103), preferably a permanently excited generator (3, 103) of a wind turbine, comprising a rotor (16, 116) and a stator (10, 110). According to the invention a vertical assembly device (4, 104) being connectable to the rotor (16, 116) and the stator (10, 110) is proposed, for guiding the rotor (16, 116) in parallel and coaxially aligned to the stator (10, 110) during assembly, the vertical assembly device (4, 104) comprising a first assembly element (26, 126) being connectable to the rotor (16, 116), a second assembly element (6, 106) being connectable to the stator (10, 110), and guiding means (28, 128) for guiding the first assembly element (26, 126) coaxially aligned to the second assembly element (6, 106).
Owner:WOBBEN PROPERTIES GMBH

Rotating disc type intelligent assembling equipment for motor

The invention discloses rotating disc type intelligent assembling equipment for a motor. The intelligent assembling equipment comprises a machining table body. The top of the machining table body is rotationally connected with a rotating disc, multiple sets of connecting bases are distributed in the rotating disc at equal intervals, limiting assemblies are arranged in the connecting bases, buffer assemblies are arranged at the bottoms of the limiting assemblies and located in the connecting bases, a connecting table is arranged on the outer side of the machining table body, and the top of the connecting table is fixedly connected with a first conveying belt. A first feeding assembly, a positioning assembly, a perforating machine, a gluing machine, a second feeding assembly, a pressing assembly and two discharging assemblies are sequentially arranged on the top of the machining table body with the rear end of the first conveying belt as the head and located on the outer side of the rotating disc. The limiting assembly is used for limiting the stator placed in the connecting base. Compared with existing assembly equipment, the overall practicability of the assembly equipment can be improved through design.
Owner:DONGGUAN TIANYI MOTOR MFG CO LTD

Motor assembling device and assembling method of rotor module

The invention provides a motor assembling device and an assembling method of a rotor module, the motor assembling device comprises a clamping module, an ejector pin module and a rotor supporting device, the clamping module comprises a first assembling table and a second assembling table which horizontally slide along the X-axis direction, the first assembling table is provided with a chuck, the second assembling table is provided with a yoke part mounting part, and the ejector pin module is provided with an ejector pin. An assembling area is formed between the chuck and the yoke part mounting part; the ejector pin module comprises a first ejector pin and a second ejector pin which horizontally slide in the X-axis direction. The rotor supporting device is arranged below the assembling area and can horizontally move in the X-axis direction, and the rotor supporting device can move up and down to achieve adjustment and avoidance. According to the motor assembling device and the assembling method of the rotor module, automatic assembling of the rotor module can be achieved, the assembling efficiency is improved, the labor cost is reduced, meanwhile, the assembling precision and stability are guaranteed through precise mechanical positioning and automatic control, and the motor assembling device and the assembling method of the rotor module are suitable for the flexible production requirements of rotor modules of different specifications.
Owner:ZHEJIANG JUNRUI INTELLIGENT EQUIP CO LTD

High-precision trial-manufacturing assembling machine for axial flux motor

The invention relates to a high-precision trial-production assembling machine for an axial magnetic flux motor, and belongs to the technical field of magnetic flux motor assembly.The high-precision trial-production assembling machine for the axial magnetic flux motor comprises a workbench; the stator loading mechanism comprises two mounting frames connected to the workbench in a sliding mode and a driving assembly used for driving the mounting frames on the two sides to be relatively close to or away from each other; the rotor supporting mechanism comprises a supporting seat which is arranged on the workbench and is positioned between the two mounting frames, and a jacking piece which is used for driving the supporting seat to lift; and the rotor jacking mechanism comprises two center seats which are arranged on the workbench and are respectively positioned on the opposite sides of the two mounting frames, and two center shafts which are respectively arranged on the two center seats. The assembling machine can solve the problem of part scrapping caused by strong magnetism and high precision in assembling of the double-stator single-rotor axial flux motor, and ensures the assembling precision of the double-stator single-rotor axial flux motor.
Owner:ZHIXIN TECH CO LTD

Automatic permanent magnet motor assembling production line and assembling method

The invention relates to the technical field of motor assembling, and particularly discloses an automatic permanent magnet motor assembling production line and an assembling method.The automatic permanent magnet motor assembling production line comprises a base, the top of the base is provided with a supporting assembly, a driving assembly, a feeding assembly and a feeding assembly, the supporting assembly comprises a supporting frame and a supporting seat, and the supporting seat is fixedly connected to the interior of the supporting frame; the driving assembly comprises guide rails symmetrically and fixedly installed in the supporting frame. The driving assembly can synchronously drive the clamping assembly and the positioning assembly to operate, so that the clamping assembly clamps the rotor in the moving process, the positioning assembly takes the shell out of the feeding assembly in the moving process, and after the clamping assembly and the positioning assembly move to specific positions, the movable sleeve moves downwards to drive the rotor, so that the rotor is clamped. The connecting shaft pushes the positioning seat to move upwards to jack up the shell, so that stable butt joint of the rotor and the shell in the moving period is achieved, interference of attraction force generated by residual magnetism of the stator on butt joint precision is effectively avoided, and the quality level of butt joint installation of the rotor and the shell is guaranteed.
Owner:HUNAN DONGFANGHONG ELECTROMECHANICAL MFG CO LTD

Permanent magnet coupling rotor folding tool and axial force calculation method thereof

The invention belongs to the technical field of permanent magnet coupling assembly, and discloses a permanent magnet coupling rotor folding tool and an axial force calculation method thereof. The permanent magnet coupler rotor folding tool comprises a cast iron floor, a T-shaped nut block, a sliding bearing seat base, a screw rod, a shaft clamp spring, a sliding bearing seat, an inner rotor supporting flange, a permanent magnet coupler inner rotor, a permanent magnet coupler outer rotor and an outer rotor supporting seat. According to the calculation method, a magnetic force analysis model between a pair of cuboid permanent magnets is taken as an entry, and a magnetic force action principle is mapped between a pair of permanent magnet rings formed by alternately arranging N-S pole paired permanent magnets by virtue of a coordinate transformation and vector superposition method; meanwhile, the influence of a permanent magnet machining and assembling process and a rotor hub material is comprehensively considered, and the axial acting force at different assembling positions when the inner rotor and the outer rotor of the permanent magnet coupler are closed is accurately calculated; the method is clear in solving thought and high in speed, provides theoretical reference for the actual assembly process, and is a method with engineering universality and convenience.
Owner:DALIAN UNIV OF TECH

Automatic rotor assembling equipment

The invention discloses automatic rotor assembling equipment, which belongs to the technical field of motor assembling, and comprises a feeding conveying line, a discharging conveying line, a carrying table and a rotor carrying plate for loading a rotor, a rotor standardized feeding assembly is arranged on the carrying table and comprises a first pushing assembly arranged at the rear end of the carrying table, a second pushing assembly arranged at the front end of the carrying table and a rotor positioning assembly, and in this way, a large number of rotor carrying plates can be densely placed in the temporary storage area so as to achieve the temporary storage effect on rotors; through cooperation of the first material pushing assembly and the second material pushing assembly, rotor carrying plates fed into a temporary storage area from a feeding conveying line can be gradually pushed forwards, rotors on the feeding conveying line are pushed one by one to be aligned with the clamping end of the rotor material moving assembly, and the rotors are loaded into stators through the rotor material moving assembly; continuous feeding operation on a large batch of rotors is achieved, and accurate positioning of the rotors is achieved under the cooperation of the rotor positioning assembly.
Owner:SUZHOU NANXIN MOTOR

Permanent magnet motor dismounting tool

The utility model relates to the technical field of motor assembly, in particular to a permanent magnet motor dismounting tool. The permanent magnet motor disassembling and assembling tool comprises a base, the base is provided with a fixing structure used for fixing a motor, a left ejector rod and a right ejector rod, the left ejector rod and the right ejector rod are movably installed on the base in the left-right direction, the base is further provided with a rotor lifting mechanism, and the rotor lifting mechanism is provided with a lifting face used for making contact with the peripheral face of a rotor in a lifting mode. In the disassembly and assembly process, the lifting face lifts the rotor, so that the jacking acting force of the rotor center shaft, the stator center shaft, the left jacking rod and the right jacking rod is located on the same straight line. In the rotor moving process, the rotor lifting mechanism always provides a lifting effect on the rotor, it can be guaranteed that the jacking acting force of a rotor center shaft, a stator center shaft, a left jacking rod and a right jacking rod is located on the same straight line all the time, the rotor is reliably fixed in an overhead mode, and therefore it is guaranteed that the rotor does axial linear motion all the time; and abrasion or collision damage caused by rotor deflection is avoided.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Motor assembling method capable of achieving self-centering through magnetic force

The invention relates to the technical field of motors, in particular to a magnetic self-centering motor assembling method which is applied to a motor and comprises the following steps: forming a rotor assembly; a rotor assembly is rotatably and preliminarily installed on a base through a rotating shaft assembly, an end cover is preliminarily installed on the base, a bearing chamber of the end cover supports an outer ring of a bearing on the rotating shaft assembly through a radial elastic supporting unit, and the radial elastic supporting unit allows the outer ring of the bearing to slightly and radially float; a driving current is applied to the stator assembly, so that the rotor assembly generates a rotation trend or rotates at a low speed, and the rotor assembly is driven to overcome the micro radial rigidity of the radial elastic supporting unit by utilizing the unbalanced magnetic pulling force of interaction between the rotor assembly and the stator assembly; and the rotation axis of the stator assembly is automatically adjusted to a position which tends to be coaxial with the central axis of the stator assembly. The method can actively compensate radial dimension chain errors and assembly deviations accumulated in the previous process.
Owner:BENMO POWER (GUANGDONG) CO LTD

Motor stator and rotor assembly equipment

The present invention relates to the field of motor assembly and discloses a motor stator and rotor assembly device, including a device main body, a bottom frame is provided at the bottom of the device main body, a transfer mechanism that can carry two sets of rotor bodies and stator bodies is slidably provided in the bottom frame, the transfer mechanism can drive the rotor body and the stator body to move up and down, the stator clamping mechanism is provided with a stator automatic positioning mechanism that can automatically determine the position of the stator body, and the device main body is provided with a rotor fixing mechanism that fixes the rotor body by cooperating with the device main body. The beneficial effect of the present invention compared with the prior art is that: the present invention is provided with a stator automatic positioning mechanism, which does not require an additional power source during the entire process of positioning and subsequently resetting the stator body. The stator body can be accurately positioned only through the interaction between mechanical structures, effectively simplifying the power system design of the device and reducing the energy consumption and maintenance costs of the device.
Owner:XUZHOU UNITED MOTOR CO LTD

Motor stator center deviation measuring equipment and measuring method

The invention belongs to the technical field of motor assembly detection, and particularly provides a motor stator center deviation measurement device and method, and the device comprises a stator adjustment table, and a first measurement assembly and a second measurement assembly which are symmetrically arranged along the stator adjustment table. The stator adjusting table is used for placing a to-be-detected motor stator; each of the first measuring assembly and the second measuring assembly comprises a supporting frame, a fixed underframe, an axial displacement driving assembly, a ruler group mounting rack, a first measuring ruler group, a second measuring ruler group and a third measuring ruler group; the fixed underframe is arranged on the supporting frame; the axial displacement driving assembly is connected with the fixed bottom frame and the ruler group mounting frame; the first measuring scale group, the second measuring scale group and the third measuring scale group are all mounted on the scale group mounting frame and are matched with one another, so that a plurality of point positions on the inner hole of the motor stator are measured in a three-point circle measuring manner. According to the invention, manual operation is replaced by electrically-driven automatic adjustment, and high speed and high consistency of measurement are realized.
Owner:CHINA MACHINERY INT ENG DESIGN & RES INST

Assembling machine of large-scale synchronous motor

The utility model discloses an assembly machine of a large-scale synchronous motor. The assembly machine comprises a workbench, a stator translation device, a rotor carrying device, a lifting platform, an upper tip device, a lower tip, a carrier plate and a rotor placing rack. The lifting table and the lower tip are arranged in the center in the workbench, and the upper tip device is arranged on the workbench and corresponds to the lower tip; the stator translation device and the rotor carrying device are installed on the workbench. The stator translation device drives the carrier plate to translate; the lifting table can place the carrier plate and drive the carrier plate to ascend and descend. The rotor carrying device comprises a rotor translation mechanism and a rotor lifting mechanism, the rotor placing rack is arranged on the rotor lifting mechanism, the rotor translation mechanism drives the rotor lifting mechanism to translate, and the rotor lifting mechanism drives the rotor placing rack to lift; the upper tip device and the lower tip position upper and lower center holes of the rotor respectively; the utility model is applied to the stator and rotor assembly process of a large-scale synchronous motor, can keep the stator and the rotor concentric, avoids the damage of the bearing, the stator and the rotor, and improves the yield of the motor.
Owner:REALLAND ELECTRIC MOTORS MFG CO LTD

Motor stator and rotor assembling equipment

The invention relates to the field of motor assembling, and discloses motor stator and rotor assembling equipment which comprises an equipment body, a bottom frame is arranged at the bottom of the equipment body, a transfer mechanism capable of bearing two groups of rotor bodies and stator bodies is slidably arranged in the bottom frame, and the transfer mechanism can drive the rotor bodies and the stator bodies to move up and down. The stator clamping mechanism is provided with an automatic stator positioning mechanism capable of automatically determining the position of a stator body, and the equipment body is provided with a rotor fixing mechanism which is matched with the equipment body to fix a rotor body. In the whole process of position positioning and subsequent resetting of the stator body, a power source does not need to be additionally arranged, accurate positioning of the stator body can be achieved only through interaction between mechanical structures, the design of a power system of equipment is effectively simplified, and energy consumption and maintenance cost of the equipment are reduced.
Owner:XUZHOU UNITED MOTOR CO LTD

Stator and rotor assembling machine

The utility model relates to a stator and rotor combining machine which comprises a machine table, a horizontal conveying mechanism and a combining platform are arranged on the machine table, a combining mechanism located above the combining platform is further arranged on the machine table, and the combining mechanism comprises a pressing air cylinder, a base, an elastic reset piece, a first magnetic suction plate and an elastic telescopic shaft. The base is arranged at the output end of the pressing air cylinder, the first magnetic attraction plate is located below the base, the first magnetic attraction plate and the base are connected through the elastic reset piece, the fixed end of the elastic telescopic shaft is arranged on the base, and the telescopic end of the elastic telescopic shaft penetrates through the first magnetic attraction plate to sleeve the snap spring; the magnetic attraction face of the first magnetic attraction plate faces downwards to attract the rotor, and the pressing air cylinder drives the base to press downwards to complete combination. Through the integrated layout of the structure of the combined stator and rotor and the fixed clamp spring, the operation of the combined stator and rotor and the fixed clamp spring can be completed in one working procedure, the batch processing and production of motors are facilitated, and the production efficiency is effectively improved.
Owner:SHENZHEN HONEST MECHATRONIC EQUIP CO LTD

Measuring a stator shaft and assembling a stator and a generator

It is described a method of measuring a geometric characteristic of a stator component (2) of an electrical machine (30), the method comprising: arranging an optical measurement device (5) at a predetermined position (6) relative to the stator component (2), in particular at a first side of the stator component; measuring, by the optical measurement device (5), positions of plural measurement locations (10a, 10b) being in predetermined spatial relations to plural stator component locations (23a, 23b) while keeping the position of the optical measurement device (5) and the stator segment (2) fixed; determining the geometric characteristic based on the measured positions of the plural measurement locations (10a, 10b).
Owner:SIEMENS GAMESA RENEWABLE ENERGY AS

Concentricity positioning device for motor rotor and stator

The utility model relates to the technical field of motor production, and specifically discloses a concentricity positioning device for a motor rotor and a stator, comprising a table and a positioning mechanism, wherein the positioning mechanism comprises a lifting plate, a supporting disk, a sleeve, a plurality of groups of abutting components, a lifting component, a placing component and a fixing component, wherein each group of abutting components comprises a fixing block, a round rod, a abutting block, a spring and a disc, wherein one end of the lifting plate is threadedly matched with the lifting component, and the other end of the lifting plate is fixedly connected with the supporting disk, the supporting disk has a plurality of through holes, the fixing block is fixedly connected with the supporting disk, the round rod passes through the fixing block, one end of the round rod is fixedly connected with the abutting block, the other end of the round rod is fixedly connected with the disc, one end of the spring is fixedly connected with the fixing block, and the other end of the spring is fixedly connected with the disc, and through the above arrangement, it is convenient to perform concentric press-fitting of the rotor and the stator, thereby improving production efficiency.
Owner:CHONGQING YANQI ELECTRICAL & MECHANICAL CO LTD

Hollow shaft rotor and stator combined guide device

InactiveCN119628354AReduce the probability of skewreduce collisionCentering/balancing rotorsClassical mechanicsControl theory
The invention discloses a hollow shaft rotor and stator combined installation guiding device which comprises a positioning base used for supporting a stator, the positioning base is provided with a positioning guiding piece used for limiting the stator, the positioning base is provided with a positioning hole, and after the stator is positioned, the positioning hole is coaxial with the inner circle of the stator, and the hollow shaft rotor and stator combined installation guiding device further comprises a hanging rod, a hanging plate and a hanging piece. The hoisting piece moves a hoisting rod through a hoisting plate, a guide column is arranged at the lower end of the hoisting rod, and the guide column is matched with the hoisting plate to clamp and position a rotor rotating shaft, so that when the hoisting piece moves the rotor, the rotor is coaxial with the guide column, and the stator and the rotor are assembled, the guide column is matched with a positioning hole, the rotor is guided to enter the stator, and transverse displacement of the rotor is limited. The rotor and stator assembling device has the effect of improving the rotor and stator assembling working efficiency.
Owner:QINGDAO LIJIU MOTOR TECH CO LTD

Display of rotor and stator concentricity changes

An asset management system can be configured to receive at least a portion of a plurality of data and to determine a concentricity of at least one of the rotor or stator. The rotor or stator concentricity can be a vector including an amplitude and an angle and can characterizes a difference between a location of a predetermined center point and a location of a geometric center point of the rotor or stator, respectively. The system can also receive a concentricity vector selection including at least one of the rotor concentricity vector or the stator concentricity vector and can receive a selection of one of the correlated operating parameters. A plot format selection can be received and a graphical user interface (GUI) including a plot can be generated. The plot can include a portion of the selected concentricity vector as a function of the selected correlated operating parameter.
Owner:BAKER HUGHES CO

A production method for a modular arc motor

A method for producing a modular arc-shaped motor belongs to the field of motor technology. The method includes the following steps: assembling an intermediate assembly; setting the intermediate assembly shaft on a support portion to position the module mounting portion in a predetermined position; fixing the arc-shaped motor module to be installed in the predetermined position of the module mounting portion; connecting the winding of the arc-shaped motor module to a motor drive controller; applying a set current to the motor drive controller; detecting whether the next adjacent module mounting portion can rotate to the predetermined position; if so, proceeding to step S5; if not, proceeding to step S3; S5: disconnecting the winding from the motor drive controller, and re-executing step S3, repeating this cycle until all arc-shaped motor modules are installed. This method for producing a modular arc-shaped motor achieves the purpose of detecting the pass rate of the stator module units during motor assembly, greatly shortening the overall production cycle of the arc-shaped motor.
Owner:CHINA COAL TECH & ENG GRP SHENYANG ENG CO +1

Rotor assembly circumferential limiting mechanism and motor assembling equipment applying same

The invention relates to a rotor assembly circumferential limiting mechanism and motor assembling equipment applying the same, the rotor assembly circumferential limiting mechanism comprises a limiting pushing module and a lateral limiting module, and the lateral limiting module is used for contacting the side part of a rotor assembly main body, is installed on the limiting pushing module, and is driven by the limiting pushing module to move; the motor assembling equipment comprises a mounting rack, and a first rotor assembly positioning mechanism, a rotor assembly circumferential limiting mechanism and a stator assembly positioning mechanism which are mounted on the mounting rack. According to the circumferential limiting mechanism, rotor assembly center deviation caused by mechanical errors in the stator and rotor assembling process can be effectively reduced, motor assembling equipment can quickly verify the self assembling precision, the precision is easy to guarantee, and in different assembling stages, different rotor assembly positioning structure combinations are switched and used, so that the assembling precision is greatly improved. And concentricity of the combined assembly is guaranteed.
Owner:NANJING KINGYOUNG INTELLIGENT SCI & TECH

Techniques for sub-micron radial alignment of electric motor components and air flow management to extend motor lifespan

The present disclosure is generally directed to techniques for radial alignment of motor components relative to each other to achieve a motor with a rotor bore having sub-micron end-to-end deviation. In an embodiment, a rotor bore alignment tool is disclosed herein that can be inserted between motor components, and more particularly, apertures / through holes defined by each of the motor components such as housing sections and a stator assembly. The rotor bore alignment tool includes expandable members that can be selectively transitioned to an extended position to cause each of the motor components to be radially aligned prior to securely coupling the same in a so-called "stack" to form a motor. Once the motor components are coupled together, the resulting motor includes a rotor shaft extending from end-to-end that preferably includes a sub-micron deviation of less than 10 microns, and more preferably less than or equal to 5 microns, for example.
Owner:SHARKNINJA OPERATING LLC

Electric Motor

ActiveCN110718988Bhigh speed rotationWindingsMagnetic circuit
The present invention provides an electric motor capable of high-speed rotation. The electric motor (10) comprises: a shaft (2); at least two bearings, namely a bearing (4a) and a bearing (4b), which are used to support the shaft (2); a magnet (3) which is supported by the shaft (2) between the two bearings (4a) and the bearing (4b); a stator (5) which surrounds the magnet (3); and a magnetic component (6a) and a magnetic component (6b) which are arranged between the magnet (3) and the bearings (4a) and the bearings (4b) in the length direction of the shaft (2), and the magnetic component (6a) and the magnetic component (6b) have an outer diameter larger than the outer diameter of the magnet (3).
Owner:MINEBEAMITSUMI INC

Stable installation device of steam turbine generator unit rotor

A stable installation device of a steam turbine generator unit rotor relates to a rotor installation device of a steam turbine generator, a first supporting plate, a second supporting plate and a third supporting plate are of the same structure, a semicircular plate is arranged at the upper end of a lifting pipe of the third supporting plate, and the lower end of the lifting pipe is fixedly connected to the middle of a height adjusting plate; the front and the back of the lifting opening in the lower surface of the plate body are fixedly connected with the upper ends of supporting pipes respectively, and the lower ends of the supporting pipes are fixed on the upper surface of the bottom plate; the two ends of the height adjusting plate are located on the two sides of the supporting pipe, two adjusting screws penetrate through unthreaded holes, close to the two ends, of the plate body and then are connected with screw holes, close to the two ends, of the height adjusting plate, and the height of the semicircular plate is adjusted through the two adjusting screws. Through mutual cooperation of the first supporting plate, the second supporting plate, the third supporting plate and the stator trolley, stable installation of the stator iron core and the rotor iron core is achieved.
Owner:HENAN INSTALLATION GRP