147results about "Centering/balancing rotors" patented technology

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 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.

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.

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.

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.

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).

The invention discloses a permanent magnet motor assembling device with an intelligent positioning function, and relates to the technical field of assembling equipment.The permanent magnet motor assembling device comprises a rack, a first driving part, an assembling device, a positioning device and a feeding device, the feeding device feeds a stator and a rotor into the positioning device, the positioning device can move the rotor to a preset position, and the positioning device is connected with the rack; the assembling device adopts a multi-stage buffer mechanism, so that the flywheel mechanism can quickly absorb and disperse instantaneous magnetic attraction force borne by the rotor when sudden magnetic attraction change occurs in the assembling process of the stator and the rotor, the instantaneous acceleration of the rotor is effectively inhibited, and the rotor is prevented from being violently impacted due to sudden attraction force; meanwhile, the damping mechanism provides a softer damping effect, the descending speed of the rotor is slowed down, the rotor is kept in a stable and controllable motion state in the process of approaching the final assembly position, and therefore secondary impact caused by inertia or residual magnetic force is avoided.

The present invention relates to a rotor (116) for an electric machine (102), in particular for a separately excited synchronous motor, comprising a rotor shaft (120) rotatable about an axis of rotation (124) of the electric machine (102); a magnetically acting rotor core (118) arranged in a rotationally fixed manner relative to the rotor shaft (120); a balancing disk (126, 140) attached to an end face of the rotor core (118), wherein the balancing disk (126, 140) is designed in the shape of a spoked wheel with several spokes (132) and openings (138, 138a-d, 142a-d) arranged between the spokes (132) and distributed in a circumferential direction; wherein at least one of the spokes (132) is designed to provide a coolant channel (139a-e) for the flow of a coolant through the rotor (116) such that the coolant passes through at least one of the openings (138, 138a-d, 142a-d) into an interior of the rotor core (107) and / or vice versa.The present invention further relates to an electric motor (102) with such a rotor (116), an electric axle drive with such an electric motor (102), and an at least partially electrified vehicle (100) with such an electric axle drive.

The invention discloses a combined coaxial limiting motor assembling method. The method comprises the following steps: adjusting a rotor assembly and a stator assembly to be in a to-be-assembled state; limiting the side part of the rotor assembly main body; the first rotor assembly positioning device drives the rotor assembly to move to a first position, and the second positioning module is in contact with the rotor assembly at the first position; the second rotor assembly positioning device drives the rotor assembly to move to a second position, and side limiting is canceled at the second position; and the second rotor assembly positioning device drives the rotor assembly to move to the assembly finishing position. According to the assembling method provided by the invention, after the rotor assembly moves into the magnetic force action range, offset caused by magnetic force adsorption can be counteracted; and after the rotor assembly moves to a preset position in the stator assembly, the rotor assembly is contacted from the assembling end and is guided to continuously descend, the coaxial limiting protection is enhanced under the combined action with the side contact limiting mechanism, the off-axis degree is prevented from being further expanded, and the stability in the assembling process is effectively guaranteed.

This utility model discloses a rotor device tooling for power generation, including a base plate, a push cylinder, a movable seat, a placement seat, and a fixed seat. The push cylinder is connected to the base plate, the movable seat is movably connected to the base plate, the piston rod of the push cylinder is connected to the movable seat, the fixed seat is fixedly connected to the base plate, and the placement seat is disposed between the movable seat and the fixed seat. An mounting head is provided on the movable seat, and a fixing head is provided on the fixed seat. The mounting head is fixedly connected to the movable seat, and the top of the fixed head has a placement groove on one side near the fixed seat and a movable groove on the other side. A positioning groove is provided on the top of the fixed head, and a positioning component is also connected to the top of the fixed head. The positioning component is detachably and fixedly connected to the fixed head, and a clamping screw is threaded onto the positioning component, with the bottom of the clamping screw extending into the positioning groove. Through the cooperation of the positioning groove, the clamping screw, and the placement seat, the rotor shaft remains stable during bearing press-fitting, avoiding displacement or skew and ensuring assembly accuracy.

The present application relates to an axial flux machine (1) for a high-voltage fan (100). The axial flux machine (1) comprises a housing (10), two stators (20), a rotor assembly (30), and a bearing assembly (40). The rotor assembly (30) comprises a shaft (34) and a rotor disk (32) mounted thereon. The bearing assembly (40) rotatably supports the rotor assembly (30) in the housing (10). The rotor assembly (30) is supported at a first axial side (30a) against an axial bearing surface (12a) of the housing (10) via a fixed bearing (42) of the bearing assembly (40). The axial flux machine further comprises a spacer element (50) designed and arranged between the rotor disk (32) and the axial bearing surface (12a) to establish axial gaps (122a, 122b) between the rotor disk (32) and the stators (20).

The present application provides a power assembly and a method for assembling a power assembly, the power assembly comprising: a main housing, which is provided with a first mounting hole; a rear cover, which is provided with a second mounting hole and an assembling hole, the assembling hole being used for matching with an assembling tool, so as to mount the rear cover on one side of the main housing, and a containing cavity being formed by the rear cover and the main housing; and a motor shaft, which is mounted in the containing cavity, two ends of the motor shaft in the length direction being movably inserted into the first mounting hole and the second mounting hole, respectively. By means of the described arrangement, the motor shaft can be rapidly assembled between the main housing and the rear cover by matching the assembling hole with the assembling tool, thus omitting the step of matching the assembling tool with a cover plate, and reducing the process of assembling, which facilitates improvement in the efficiency of assembling the power assembly. Also, by omitting the cover plate, the number of parts of the power assembly is reduced, and the size in the axial length of the power assembly and the weight of the power assembly are effectively reduced, leading to a more compact structure of the power assembly.

The application discloses an axial flow compressor rotor assembling guide mechanism and an assembling method, and relates to the technical field of compressor assembling. The first auxiliary assembly comprises a base, radial and axial limiters, and is connected with the inlet end of the stator to form radial and axial limitation for the first end of the rotor. The second auxiliary assembly comprises a base, radial and axial limiters, and is connected with the outlet end of the stator to form symmetrical limitation for the second end of the rotor. The first and second auxiliary assemblies are symmetrically installed along the stator axis to form eight guide areas to guide the rotor to stably descend into the stator. The first and second auxiliary assemblies are respectively connected with the inlet and outlet ends of the stator and are symmetrically arranged. The radial and axial limiters form eight guide areas for the two ends of the rotor. The multiple-point constraint guides the rotor to stably descend and avoids contact with the stator blades, effectively improving the stability and safety of the assembly.

The invention relates to an annular electric machine, comprising: a stator assembly of an annular construction; a rotor assembly of an annular structure, the rotor assembly being arranged inside the stator assembly in the radial direction of the annular motor; and a support assembly, the support assembly being configured to movably mount the stator assembly relative to the rotor assembly along an axial direction of the annular motor. The invention further relates to a mill and a method for assembling the mill.

This invention provides a stator-rotor separation device for a permanent magnet synchronous motor, comprising a frame on which an electrical control mechanism, a first separation mechanism for connecting the stator, and a second separation mechanism for connecting the rotor are mounted. The first separation mechanism can move along a first direction on the frame under the control of the electrical control mechanism, and the first and second separation mechanisms are distributed along the first direction. The second separation mechanism can move along a second direction on the frame or be fixed by a limiting mechanism; the second direction is perpendicular to the first direction. This invention, through the coordinated action of the limiting mechanism, the first separation mechanism, and the second separation mechanism, ensures the coaxiality of the stator and rotor during the separation process, preventing them from colliding and being damaged, thus achieving non-destructive separation.

This disclosure generally relates to techniques for radial alignment of motor components relative to each other to achieve a motor with rotor bores having submicron end-to-end misalignment. In an embodiment, a rotor bore alignment tool is disclosed herein, which can be inserted between motor components, and more specifically, between orifices / through holes defined by each motor component, such as housing sections and stator assemblies. The rotor bore alignment tool includes extendable members that can selectively transform to an extended position such that each motor component is radially aligned, the motor components being then securely joined in a so-called “stack” to form a motor. For example, once the motor components are joined together, the resulting motor includes a rotor shaft extending from end to end, preferably including a submicron misalignment of less than 10 micrometers, and more preferably less than or equal to 5 micrometers.

The present application relates to direct drive motor assembly technical field, specifically direct drive motor tool, including the lower pressure tool, the lower pressure tool includes the pressure assembly support frame and the pressure assembly platform, the pressure assembly support frame and the pressure assembly platform bottom are provided with the lower pressure tool support column for supporting the lower pressure tool, the pressure assembly platform is arranged on the pressure assembly support frame, a plurality of lower pressure guide columns are arranged on the pressure assembly support frame, the upper table plate is arranged on the top position of the lower pressure guide column, the lower pressure table is movably installed on the lower pressure guide column, the lower pressure table bottom position is also fixedly installed with the machine base support frame, the lower pressure table can drive the machine base support frame to move together in the lower pressure guide column, the assembly of the direct drive motor is through the special assembly work and the assembly process, the assembly precision can be greatly improved, and the working performance of the direct drive motor is further improved.

The application relates to the technical field of motor assembly, and discloses a motor stator-rotor combined assembly device. The motor stator-rotor combined assembly device comprises a rack, a bearing table, a combined assembly table, a first positioning unit and a second positioning unit. The bearing table is adjustably arranged on the rack along the Z direction and is used for bearing a motor rotor. The combined assembly table is arranged on the rack and is used for placing a motor stator and can rotate the motor stator. The first positioning unit comprises a first positioning rod and a first clamp arranged on the first positioning rod, and the first positioning rod is adjustably arranged on the rack along the X direction. The second positioning unit comprises a second positioning rod and a second clamp arranged on the second positioning rod, and the second positioning rod is adjustably arranged on the rack along the X direction and can penetrate through the center hole of the motor stator. The application guarantees the assembly precision of the motor stator-rotor combined assembly and improves the assembly efficiency of the motor stator-rotor combined assembly.

The application discloses a kind of permanent magnet motor with intelligent positioning function's combined equipment, it is related to combined equipment technical field, including rack, first driving part, combined device, positioning device and feeding device, feeding device is fed to positioning device in stator rotor, positioning device can move rotor to predetermined position, it is convenient for combined device to carry out combined, combined device adopts multistage buffer mechanism, when magnetic attraction mutation occurs in the process of stator rotor combination, flywheel mechanism can quickly absorb and disperse the instantaneous magnetic attraction that rotor is subjected to, effectively inhibit the instantaneous acceleration of rotor, avoid that rotor occurs violent impact due to sudden attraction, while damping mechanism provides more soft damping effect, slow down the descending speed of rotor, so that rotor keeps stable, controllable motion state in the process of approaching final assembly position, to avoid the impact caused by inertia or residual magnetic force again.

The invention relates to a ring motor comprising a stator assembly of ring configuration, a rotor assembly of ring configuration arranged inside the stator assembly along the radial direction of the ring motor, and a support assembly, wherein the support assembly is configured to movably mount the stator assembly with respect to the rotor assembly along the axial direction of the ring motor. Furthermore, the invention relates to a mill and a method of assembling the mill.

The invention relates to the technical field of motors, in particular to a permanent magnet synchronous motor, and aims to solve the technical problems that the assembly difficulty is increased, the assembly efficiency is reduced and the assembly quality of a motor is unstable due to the fact that a bearing outer ring of a self-aligning bearing is difficult to centralize in the prior art. The permanent magnet synchronous motor comprises a rotor assembly and a stator assembly. The rotor assembly comprises a motor shaft and an elastic centering bearing arranged on the motor shaft in a sleeving mode. The elastic centering bearing comprises a bearing body and an annular elastic piece arranged on the bearing body in a sleeving mode. According to the permanent magnet synchronous motor, an elastic piece expansion automatic righting mode is adopted, the requirement of motor assembly for the coaxiality of the stator assembly and the rotor assembly is lowered, the motor assembly quality stability is improved, the assembly difficulty is lowered, and the assembly efficiency is improved. The technical problems that the assembling difficulty is increased, the assembling efficiency is reduced and the assembling quality of the motor is unstable due to the fact that the bearing outer ring of the self-aligning bearing is difficult to centralize in an existing permanent magnet synchronous motor are solved.

To easily assemble a stator and a rotor equipped with a permanent magnet regardless of the magnetic attraction force of the permanent magnet.SOLUTION: In an assembling method of a permanent magnet rotating electric machine of assembling a rotor 11 equipped with a permanent magnet 13 and a stator 12, the rotor 11 and a stator insertion jig 21 are integrated while aligning their central axes 11P and 21P and then in a state in which a center axis 12P of the stator 12 and the center axis 21P of the stator insertion jig 21 are aligned with each other, the stator is moved to be close to the rotor 11 using the stator insertion jig 21 as a guide in a vertical direction along the central axes so that the stator 12 is inserted into the rotor 11 and assembled.SELECTED DRAWING: Figure 2