283results about "Centering/balancing rotors" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

To provide a motor capable of realizing high-speed rotation.SOLUTION: A motor 10 comprises: a shaft 2; at least two bearings 4a and 4b supporting the shaft 2; a magnet 3 supported by the shaft 2 between the two bearings 4a and 4b; a stator 5 enclosing the magnet 3; and a magnetic member 6a and a magnetic member 6b each disposed between the magnet 3 and the bearings 4a / 4b in a length direction of the shaft 2. The magnetic member 6a and the magnetic member 6b have outer diameters that are larger than an outer diameter of the magnet 3.SELECTED DRAWING: Figure 2

The utility model discloses an automobile motor rotor and stator automatic press-fitting device, which comprises a rack, a conveying line transversely penetrating through the rack, and a stator assembly supported by the conveying line through a transfer carrier. A downward pressing mechanism is installed on the rack above the conveying line, a grabbing mechanism for grabbing the rotor assembly is installed on the bottom face of the downward pressing mechanism, and a plurality of guide rods abutting against the top face of the rotor assembly are downwards installed on the bottom face of the downward pressing mechanism located on the inner side of the grabbing mechanism; a jacking mechanism is installed on the rack located below the conveying line and located under the downward pressing mechanism, and an upper jacking rod in the jacking mechanism upwards penetrates through the stator assembly and then abuts against the bottom face of the rotor assembly; the grabbing mechanism grabs the rotor assembly, so that the guide rod abuts against the top face of the rotor assembly, the jacking mechanism works to jack up the stator assembly, the upper ejector rod ascends to abut against the bottom face of the rotor assembly, the grabbing mechanism loosens, the rotor assembly is reliably installed in the stator assembly in combination with downward pressing of the downward pressing mechanism, and automatic rapid installation is achieved. And the installation efficiency and effect are effectively ensured.

The invention belongs to the technical field of motor assembly, and particularly relates to a large permanent magnet motor stator and rotor assembling device which comprises a base plate, an annular platform plate is installed on the base plate through a first supporting plate, and a stator is placed on the platform plate; a positioning cylinder is installed on the base plate, and a guide shaft is installed in the positioning cylinder in an inserted mode. A positioning frame is arranged in the stator and is arranged on the guide shaft in a sliding manner; the positioning frame gradually moves from the upper end to the lower end in the stator along with the downward assembly of the rotor into the stator, and a magnet vane is mounted on the outer side of the rotor; the device is simple in structure, the lower end and the upper end of the guide shaft can be positioned and fixed together, the phenomenon that the lower end and the upper end of the guide shaft attract each other during assembly is avoided, the uniformity of a circumferential air gap when a rotor enters a stator is affected, the influence of unilateral magnetic force on the assembly process is avoided or reduced, and it is guaranteed that assembly is conducted smoothly and the assembly quality is good.

A rotary electric machine (100, 660) arranged as a brushless electric ring motor is described and includes a rotor (50, 650) that is disposed within a stator (20, 620) and arranged to rotate on a guide element (13, 613). The rotor (50, 650) has a plurality of ferritic elements (60, 664) arranged on an outer surface (54, 663), and the stator (20, 620) is an annular device having a plurality of electro-magnetic elements (25, 668) arranged on an inner portion (32) between first (21, 667) and second flanges (22, 669). The first and second flanges both include an annular ring (652) that is fabricated from a non-magnetic material and has a plurality of ferromagnetic elements (28). The ferromagnetic elements (28) are magnetically coupled to corresponding ones of the electro-magnetic elements (25, 668) to exert magnetic force on the ferritic elements (60, 664) of the rotor when the electro-magnetic elements (25, 668) are activated. The rotary electric machine may operate as a first thrust generating system that is upstream of a second thrust generating system for a turbojet engine.

A receiving system (9) for a device for receiving a unit is shown and described, wherein the unit is rotatably mounted about an axis of rotation (5) on a frame (7) of the device in a received state, wherein a second connecting section (23) of a second receiving unit (13) has a contact surface (43) that is at least partially circumferential and radially outwardly extending, which is designed such that, in a connected state, it forms an interference fit with a contact surface (45) of a second connecting section (17) of a first receiving unit (11) that is at least partially circumferential and radially inwardly extending, such that at least a section of the second connecting section (17) of the first receiving unit (11) is deformed radially outwardly,that a contact surface (33) of the second connecting section (17) of the first receiving unit (11), which is at least partially circumferential and radially outwardly directed, and a contact surface of a section of the device, which is at least partially circumferential and radially inwardly directed, are force-fit together. Furthermore, a first receiving unit (11), a second receiving unit (13), and a device are shown and described.

A rotor assembly 10 for a brushless permanent magnet motor, the rotor assembly comprising a shaft 32; a permanent magnet 23 mounted to the shaft; and a rotor assembly component 20 mounted to the shaft

Embodiments of the present application provide motor and a machine tool. The motor includes a motor shaft and an optical encoder; the optical encoder is to be installed on the motor shaft, further includes a balancing disk, configured to be installed on the motor shaft, and located inside the optical encoder, a diameter of a circle formed by balancing holes on the balancing disk is larger than the optical encoder and a fixing element of the optical encoder, so as to enable the balancing holes to be operated without uninstalling the optical encoder; and a cover plate, configured to be located between the balancing disk and the optical encoder, and fixed on an end shield, the cover plate comprises: at least one operation window for exposing some of the balancing holes; and a mounting structure for fixing the fixing element of the optical encoder. The technical solutions of the present application can install a balancing disk on a motor.

To provide a rotor and a compressor capable of suppressing unbalance of a body of rotation at a low cost compared to a case when a balance weight is added.SOLUTION: A rotor (10) has a rotor core (30) and a plurality of magnets (32) arranged in a circumferential direction of the rotor core and embedded in the rotor core. The plurality of magnets include a first magnet (32A) and a second magnet (32B) whose at least any of thickness, width, angle pitch is different from that of the first magnet.SELECTED DRAWING: Figure 2

The present invention belongs to the field of locomotive maintenance technology and discloses a motor assembly device comprising a base unit, a rotor positioning unit, and a stator adjustment unit. The rotor positioning unit comprises a rotor fixing mechanism and a rotor hoisting mechanism. The rotor fixing mechanism is slidably connected to the base unit along the X direction, and the rotor hoisting mechanism is mounted on the rotor fixing mechanism and configured to hoist the motor rotor. The stator adjustment unit is mounted on the base unit and configured to position the motor stator. The rotor fixing mechanism slides on the base unit and can adjust the distance between the motor rotor and the motor stator. The motor assembly device reduces reliance on manual labor, achieves high assembly process accuracy, improves operational efficiency, and eliminates the safety hazards of high-altitude lifting.

The invention discloses a jacking aligning device which comprises a first bearing seat, a first mounting cavity is coaxially formed in the upper portion of the first bearing seat, a cushion block is coaxially arranged at the cavity bottom of the first mounting cavity, a second mounting cavity is coaxially formed in the upper portion of the cushion block, three steel balls are placed in the second mounting cavity, and a second bearing seat is connected to the upper end of the first bearing seat. The lower end of the second bearing seat extends into the first mounting cavity and is provided with a limiting cavity, the upper end of the second bearing seat is coaxially and rotatably connected with a bearing cover through a thrust roller bearing, and the upper end of the bearing cover is coaxially connected with a positioning connecting piece; at least three self-aligning rotation-stopping bolts used for adjusting the horizontal position of the second bearing seat are evenly arranged on the first bearing seat in the circumferential direction, and the screw rod ends of the self-aligning rotation-stopping bolts are in threaded connection with the first bearing seat and then are inserted into the second bearing seat in the radial direction. According to the self-aligning device, under the working condition that the three steel balls bear a large load during jacking at the same time, the stability of supporting and translation self-aligning of the device can be improved, and the self-aligning efficiency can also be improved.

The invention relates to a module for a turbomachine comprising a shaft in an axial direction and an electric machine (110) comprising: - a rotor (120) coupled in rotation with the shaft and comprising a disk (122) and magnetic elements (124) arranged regularly around the periphery of the disk, and - a stator (130) integral with a housing of the module comprising a ring (132) and coils distributed annularly inside the ring of the stator, the coils are arranged outside the magnetic elements of the rotor in a radial direction, wherein the rotor has an imbalance defect represented by a mechanical force (F1) when the magnetic elements are in a first position, and at least one magnetic element (124) is movable from the first position to a second position adapted to apply to the rotor a magnetic force (F2) opposite to the mechanical force when the electric machine is in operation.Figure for the abbreviation: Figure 2.

The present invention relates to an actuator (1) comprising a housing (2) defining a motor volume in which an electric motor (10) is received, a torque output element (16), a separating wall (20) closing the motor volume of the housing (2), a circuit board (40) arranged on the separating wall (20) on the side opposite the motor volume, the circuit board comprising connection holes, a cover (5) fastened to the housing (2) and defining, with the separating wall (20), an electronic volume in which the circuit board (40) is located, an electrical connector (30) comprising conductive tracks (35) able to be inserted into the connection holes of the circuit board (40); according to the invention, the separating wall (20) comprises a first means (25) for centering the circuit board (40) and a second means (26) for centering the electronic connector (30).

The present disclosure includes: a retention mechanism (4) insertable into a gap between a rotor (41) and a stator (31) of a rotary electric machine and allowing easy replacement and change of an ultrasonic probe (9); a three-dimensional drive mechanism (2) for following the curvature and gradient of a surface of an inspection object; elastic mechanisms (3) for adjusting a pressing force of the ultrasonic probe (9); and a support structure (5) for an inspector (51) to perform flaw detection operation. Fine adjustment of a pressing force of the ultrasonic probe (9) and scanning by sliding the ultrasonic probe (9) over the surface of the inspection object can be performed by the three-dimensional drive mechanism (2) causing the ultrasonic probe (9) to smoothly follow the curvature and gradient of the surface of the inspection object, whereby fine pressing force adjustment performed by a skilled inspector (51) can be reproduced.

A rotor comprising the following features: a rotor body having at least one section configured to interact with a shaft, a support element configured to interact with the rotor body section and / or the shaft, and an elastic element configured to interact with the rotor body section, the shaft, and / or the support element to substantially maintain a coaxial alignment of the shaft and rotor. The rotor is part of an actuator of a fluid valve system.

The application relates to a permanent magnet motor stator mounting device and a mounting method. The method process is as follows: after the bottom plate is connected with the four support columns, the bottom plate is placed on a horizontal table top; the motor front end cover is positioned and fixed on the upper end of the bottom plate, and a bearing is placed in the bearing hole of the front end cover; one end of a rotor shaft is passed through the inner ring of the bearing and the center hole of the bottom plate, and an open end sleeve is fastened on the lower end of the rotor shaft located on the bottom plate, the open end sleeve is fixedly connected with the lower end of the bottom plate, and the rotor shaft is fixed; the lower end of a guide sleeve is positioned and fixed with the other end of the rotor shaft; the lower end surface of a stator adapter plate is fixedly connected with the stator, and the upper end surface of the stator adapter plate is fixedly connected with the flange part of a sleeve-shaped nut; the lower end surface of a screw rod is vertically placed on the uppermost part of the guide sleeve; after the stator of the motor is slowly sleeved downward on the screw rod, the upper threaded center hole of the sleeve-shaped nut is threadedly connected with the screw rod; the upper end of the screw rod is fixed, the sleeve-shaped nut is rotated, and the stator of the motor is lowered to be in contact with the front end cover until the stator is mounted in place. The application improves the mounting precision and the mounting efficiency.

The present invention relates to a high-speed motor rotor mounting structure, comprising a rotor body, wherein the rotor body comprises an iron core, a winding is provided on the outside of the iron core, and a bearing is mounted on one end of the iron core, a circular groove is provided through the iron core, a round rod is inserted through the circular groove, the rotor body is mounted in a stator, a bearing groove is provided in the stator, and the bearing is slidably inserted in the bearing groove. The present invention mounts the round rod in the iron core of the rotor body, and during installation, first inserts one end of the round rod into the round rod positioning groove, then aligns the circular groove of the iron core with the round rod, and inserts the round rod into the circular groove. Under the guidance of the round rod, the rotor body is pushed to enter the stator, thereby preventing the rotor body from shaking when entering the stator. Moreover, due to the guidance of the round rod, the round rod plays a supporting role when the rotor body is inserted into the stator. After the rotor body is installed, the round rod is removed, effectively preventing the winding from being damaged.

The utility model discloses a motor disassembling device with a real-time displacement monitoring function. The motor disassembling device comprises a base and a stator fixing table fixed above the base, a sliding groove is formed in the upper surface of the base, a sliding seat is embedded in the sliding groove in a sliding mode, and a driving mechanism used for driving the sliding seat to slide is further installed on the base. The utility model relates to the technical field of motor dismantling, in particular to a motor dismantling device, which comprises a sliding seat, a displacement sensor and a linkage rod group, the two ends of the sliding seat are fixedly provided with two telescopic supporting columns which are symmetrically distributed along the middle part of the sliding seat, and the two supporting columns vertically stretch out and draw back. And the driving mechanism is controlled to stop moving when it is detected that the motor rotor deviates, so that further damage to the motor rotor or stator caused by disassembly is avoided, the motor disassembly device can adapt to disassembly of motors of different sizes due to the calibration function of the auxiliary calibration assembly, the flexibility of the motor disassembly device is improved, and the disassembly efficiency is improved. And the use effect is better.

The utility model discloses a kind of excitation generator mounting bracket, including bottom plate, the bottom plate upper wall is equipped with pad table, the pad table one side is equipped with lifting platform, the other side is equipped with auxiliary support component, the lifting platform is equipped with sliding slot along length direction, the sliding slot is equipped with sliding block, the sliding block upper wall is fixed with guiding support platform, the utility model relates to excitation generator installation technical field, guiding support platform is slid in lifting platform sliding slot by sliding block, provides axial direction guiding for rotor, cooperate hoisting equipment to make rotor steady insertion stator;Auxiliary support component can adjust auxiliary support platform height, after insertion rotor end portion is assisted and supported, the installation of subsequent front and rear end covers is facilitated;Lifting assembly is driven lifting platform lifting by to draw wire bar, sliding platform and connecting rod mechanism, guiding support platform height can be adjusted, rotating screw can drive auxiliary support platform up and down movement, adjust auxiliary support platform height, adapt the assembly height difference of stator and rotor, ensure that both axes are aligned.

A balancing disk (10) has an oil discharge port (13), and a first end face and a second end face (12) opposite to each other; the first end face is configured to fit on an end face of a rotor core, the second end face (12) has an annular groove (14), and the oil discharge port (13) is communicated with the first end face and the annular groove (14), to enable oil flowing out of the oil discharge port (13) to be discharged through the annular groove (14).