CN112713727A - Permanent magnet synchronous motor high-precision assembling and disassembling tool - Google Patents
Permanent magnet synchronous motor high-precision assembling and disassembling tool Download PDFInfo
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- CN112713727A CN112713727A CN202011599327.7A CN202011599327A CN112713727A CN 112713727 A CN112713727 A CN 112713727A CN 202011599327 A CN202011599327 A CN 202011599327A CN 112713727 A CN112713727 A CN 112713727A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 description 13
- 238000006073 displacement reaction Methods 0.000 description 11
- 230000003028 elevating effect Effects 0.000 description 8
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- 229910000831 Steel Inorganic materials 0.000 description 6
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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Abstract
The application provides a frock is dismantled in PMSM high accuracy assembly. The tool comprises a mounting rack, a left slide block center module, a right slide block center module, an axis alignment module and a control module; the left sliding block center module comprises a left fixing frame and a left center, the left fixing frame is arranged on the left side of the mounting rack, and the left center is arranged on the left fixing frame; the right sliding block center module comprises a right fixing frame and a right center, the right fixing frame is arranged on the right side of the mounting rack, the right center is arranged on the right fixing frame, and the right center and the left center can move in a linkage mode or independently; the axis alignment module comprises a lifting table and a machine shell fixing platform, wherein the lifting table is arranged in the middle of the mounting rack and is positioned between the left sliding block center module and the right sliding block center module; the shell fixing platform is arranged on the lifting platform; the control module comprises a pressure sensor and a control box; the pressure sensor is arranged on the left center or the right center; the control box is electrically connected with the left sliding block center module, the right sliding block center module, the axis alignment module and the pressure sensor respectively.
Description
Technical Field
The application relates to the technical field of motor disassembly and assembly, in particular to a permanent magnet synchronous motor high-precision assembling and disassembling tool.
Background
The permanent magnet synchronous motor uses the permanent magnet to provide excitation, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush are omitted, the running reliability of the motor is improved, and the efficiency and the power density of the motor are improved because excitation current is not needed and excitation loss is avoided, thereby being widely applied to various industry fields.
Permanent magnet synchronous machine comprises parts such as stator, permanent magnet rotor and end cover, at present, in permanent magnet synchronous machine's assembly (as shown in fig. 1) in-process, permanent magnet rotor is attracted one side by unilateral magnetic pulling force, make installation tang on the casing of taking stator core and preceding, there is certain eccentricity (as shown in fig. 2, usually about 2 millimeters) between the rear end cover, the assembly to permanent magnet synchronous machine has increased the degree of difficulty, easily make rotor and the casing of taking stator core take place the impact collision because of great unilateral magnetic pulling force in the assembly process, cause the damage to bearing and motor structure, make permanent magnet synchronous machine's assembly precision difficult to guarantee.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
An object of this application is to provide a frock is dismantled in permanent magnet synchronous motor high accuracy assembly to solve or alleviate the problem that exists among the above-mentioned prior art.
In order to achieve the above purpose, the present application provides the following technical solutions:
the application provides frock is dismantled in PMSM high accuracy assembly for assemble or dismantle PMSM, include: the device comprises a mounting rack, a left slide block center module, a right slide block center module, an axis alignment module and a control module; the top module of left slider includes: the left fixing frame is fixedly arranged on the left side of the mounting rack, and the left tip is slidably arranged on the left fixing frame and can move on the left fixing frame in the left-right direction; the top module of right slider includes: the right fixing frame is fixedly arranged on the right side of the mounting rack, the right center is slidably arranged on the right fixing frame and can move on the right fixing frame in the left-right direction, and the right center is linked with the left center and can clamp the rotor with the permanent magnet of the permanent magnet synchronous motor to move in the left-right direction; the axis alignment module includes: the lifting platform is slidably mounted in the middle of the mounting rack and is positioned between the left sliding block center module and the right sliding block center module; the shell fixing platform is slidably mounted on the lifting platform, can move on the lifting platform in the front-back direction and can move along with the lifting platform in the up-down direction under the driving of the lifting platform, and is used for fixedly mounting a shell with a stator iron core of the permanent magnet synchronous motor; the control module includes: a pressure sensor and a control box; the pressure sensor is detachably arranged on the left tip or the right tip; the control box is electrically connected with the left sliding block center module, the right sliding block center module, the axis alignment module and the pressure sensor respectively; the pressure sensor is used for determining the center of the installation spigot of the shell, so that the center of the installation spigot is overlapped with the axial lines of the left centre and the right centre.
Optionally, in any embodiment of the present application, the left center is slidably mounted on the left fixing frame through a screw-slider mechanism, and/or the right center is slidably mounted on the right fixing frame through a screw-slider mechanism;
preferably, along the moving direction of the left center, a first left limit switch and a second left limit switch are respectively arranged at two ends of the left fixing frame and used for limiting the movement of the left center on the left fixing frame; and/or a first right limit switch and a second right limit switch are respectively arranged at two ends of the right fixing frame along the moving direction of the right center, and are used for limiting the movement of the right center on the right fixing frame;
furthermore, a left sliding guide rod is arranged on the left fixing frame, the axis of the left sliding guide rod is parallel to the axis of the left tip, and the left sliding guide rod is used for guiding the left and right movement of the left tip on the left fixing frame; and/or a right sliding guide rod is arranged on the right fixing frame, the axis of the right sliding guide rod is parallel to the axis of the right tip, and the right sliding guide rod is used for guiding the right tip to move left and right on the right fixing frame.
Optionally, in any embodiment of the present application, a left rotating handwheel is disposed on the left side of the left fixing frame, and/or a left driving motor is disposed on the right side of the left fixing frame, and both the left rotating handwheel and the left driving motor can drive the left center to move on the left fixing frame; and/or a right driving motor is arranged on the left side of the right fixing frame, and/or a right rotating hand wheel is arranged on the right side of the right fixing frame, and the right driving motor and the right rotating hand wheel can drive the right tip to move on the right fixing frame.
Optionally, in any embodiment of the present application, the lifting platform is mounted in the middle of the mounting rack through a screw-threaded mechanism;
preferably, the mounting rack is further provided with a first lower limit switch and a second lower limit switch, and the first lower limit switch and the second lower limit switch are respectively positioned on the upper side and the lower side of the lifting platform and used for limiting the up-and-down movement of the lifting platform;
furthermore, an up-and-down sliding guide rod is further arranged on the mounting rack and used for guiding the up-and-down movement of the lifting platform.
Optionally, in any embodiment of the present application, the lifting table includes: mounting panel, movable plate and connecting rod, the mounting panel with the movable plate parallels, the movable plate pass through lead screw thread mechanism install in the middle part of installation rack, the mounting panel passes through connecting rod fixed connection be in the top of movable plate, just slidable mounting on the mounting panel casing fixed platform.
Optionally, in any embodiment of the present application, the casing fixing platform is mounted on the lifting platform through a lead screw thread mechanism to move on the lifting platform in a front-back direction;
preferably, the lifting platform is further provided with a first upper limit switch and a second upper limit switch, and the first upper limit switch and the second upper limit switch are respectively located on the front side and the rear side of the casing fixing platform and used for limiting the front and rear movement of the casing fixing platform.
Optionally, in any embodiment of the present application, a sliding rail is arranged on the lifting platform along the front-back direction, and correspondingly, a sliding groove adapted to the sliding rail is arranged on the casing fixing platform, so that the casing fixing platform can move along the sliding rail;
preferably, the cross sections of the sliding groove and the sliding rail are V-shaped or dovetail groove-shaped.
Optionally, in any embodiment of the present application, a sleeve is disposed on the pressure sensor, and the pressure sensor is sleeved on the left center or the right center through the sleeve.
Optionally, in any embodiment of the present application, the mounting spigot includes: the left mounting spigot is matched with a front end cover of the permanent magnet synchronous motor, and the right mounting spigot is matched with a rear end cover of the permanent magnet synchronous motor; correspondingly, the pressure sensor comprises: the left pressure sensor is detachably mounted on the left center, can move left and right along with the left center and extends into the left mounting seam allowance so as to determine the center of the left mounting seam allowance; the right pressure sensor is detachably mounted on the right tip, can move left and right along with the right tip and extends into the right mounting spigot so as to determine the center of the right mounting spigot.
Optionally, in any embodiment of the present application, the control box is fixedly mounted at a lower portion of the mounting rack and is located below the left slide block center module or below the right slide block center module.
Compared with the closest prior art, the technical scheme of the embodiment of the application has the following beneficial effects:
according to the technical scheme provided by the embodiment of the application, the center of the mounting spigot of the shell with the stator core of the permanent magnet synchronous motor fixed on the shell fixing platform is determined by using the pressure sensor through the up-and-down movement of the lifting platform and the back-and-forth movement of the shell fixing platform, so that the center of the mounting spigot is superposed with the axes of the left center and the right center, namely the axis of the shell is superposed with the axes of the left center and the right center; the left center and the right center which are coincident in axis are matched and linked, so that the rotor with the permanent magnet of the permanent magnet synchronous motor is clamped to move in the left and right directions, the high-precision assembling and disassembling of the rotor, the stator, the shell, the front end cover and the rear end cover are realized, and the eccentric distance between the mounting spigot and the front end cover and the eccentric distance between the mounting spigot and the rear end cover are effectively reduced; the difficulty in assembling the permanent magnet synchronous motor is reduced, the damage to a bearing and other structural parts is reduced, the assembling precision of the permanent magnet synchronous motor is improved, and the assembling reliability of the permanent magnet synchronous motor is ensured; meanwhile, the tool can be used for assembling or disassembling more permanent magnet synchronous motors with different machine base numbers, and the application range of the tool is widened.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. Wherein:
FIG. 1 is a block diagram of a typical permanent magnet synchronous machine;
FIG. 2 is a schematic diagram illustrating difficulty in assembly and disassembly caused by unilateral magnetic tension during assembly and disassembly of a permanent magnet synchronous motor;
fig. 3 is a front view of a permanent magnet synchronous motor high-precision assembling and disassembling tool provided according to some embodiments of the present application;
FIG. 4 is a top view of a permanent magnet synchronous motor high-precision assembling and disassembling tool provided in the embodiment of FIG. 3;
fig. 5 is a front view of a permanent magnet synchronous motor high-precision assembling and disassembling tool provided in accordance with some embodiments of the present application in adjusting a position of a housing;
FIG. 6 is a top view of the permanent magnet synchronous motor high precision assembling and disassembling tool provided in the embodiment of FIG. 5 in a position of the adjusting housing;
fig. 7 is a front view of a permanent magnet synchronous machine high precision assembly and disassembly tool in assembling or disassembling a permanent magnet synchronous machine provided in accordance with some embodiments of the present application;
fig. 8 is a top view of the permanent magnet synchronous motor high-precision assembling and disassembling tool provided in the embodiment of fig. 7 during assembling or disassembling of the permanent magnet synchronous motor;
fig. 9 is a schematic diagram of the permanent magnet synchronous motor high-precision assembling and disassembling tool provided in the embodiment of fig. 5 when the axis position of the casing is calculated.
Fig. 10 is a schematic flow chart of assembling a permanent magnet synchronous motor by using the high-precision assembling and disassembling tool for a permanent magnet synchronous motor according to some embodiments of the present application;
description of reference numerals:
1-a rotor; 2-a front bearing; 3-front end cover; 4-a housing; 5-rear end cap; 6-rear bearing;
7-mounting a rack; 8-a first left limit switch; 9-left screw rod; 10-a control box; 11-left pressure sensor; 12-left slider; 13-a second left limit switch; 14-left retarder; 15-left drive motor; 16-right drive motor; 17-right reducer; 18-a first right limit switch; 19-right lead screw; 20-right slider; 21-a second right limit switch; 22-right pressure sensor; 23-a lifting motor; 24-a lifting reducer; 25-lifting screw rod; 26-a lifting platform; 27-a second lower limit switch; 28-a first limit switch; 29-a housing fixing pressure plate; 30-upper driving motor; 31-upper decelerator; 32-a first upper limit switch; 33-a housing fixation platform; 34-feeding a screw rod; 35-second upper limit switch.
Detailed Description
The present application will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the application and are not limiting of the application. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the application. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present application cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
In the description of the present application, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present application but do not require that the present application must be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
As shown in fig. 3-9, the high-precision assembling and disassembling tool for a permanent magnet synchronous motor provided in the embodiment of the present application is used for assembling or disassembling the permanent magnet synchronous motor, and the high-precision assembling and disassembling tool for a permanent magnet synchronous motor includes: the mounting rack 7 comprises a left slide block center module, a right slide block center module, an axis alignment module and a control module; the top module of left slider includes: the left fixing frame is fixedly arranged on the left side of the mounting rack 7, and the left top is slidably arranged on the left fixing frame and can move on the left fixing frame in the left-right direction; the top module of right slider includes: the right fixing frame is fixedly arranged on the right side of the mounting rack 7, the right center is slidably arranged on the right fixing frame and can move on the right fixing frame in the left-right direction, and the right center is linked with the left center and can clamp the rotor 1 with the permanent magnet of the permanent magnet synchronous motor to move in the left-right direction; the axis alignment module includes: the lifting platform 26 is slidably mounted in the middle of the mounting rack 7 and is positioned between the left sliding block center module and the right sliding block center module; the casing fixing platform 33 is slidably mounted on the lifting table 26, can move on the lifting table 26 in the front-back direction, and can move along with the lifting table 26 in the up-down direction under the driving of the lifting table 26, and the casing fixing platform 33 is used for fixedly mounting the casing 4 with the stator core of the permanent magnet synchronous motor; a datum parallel to the axis of the tip exists on the fixed platform 33, so that the axis is parallel to the axis of the tip when the shell 4 is installed on the fixed platform 33; the control module includes: the pressure sensor and the control box 10 are detachably arranged on the left center or the right center; the control box 10 is electrically connected with the left sliding block center module, the right sliding block center module, the axis alignment module and the pressure sensor respectively; the axes of the left center and the right center are overlapped, and the pressure sensor is used for determining the center of the installation seam allowance of the shell 4, so that the center of the installation seam allowance is overlapped with the axes of the left center and the right center. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In this application embodiment, the installation rack 7 can adopt the section bar (for example, angle steel, square pipe etc.) welding to make the support, and the steel sheet (the steel sheet is fixed on the support) is laid to the support top and is formed, sets up mounting hole or mounting groove on the steel sheet, installs top module of left slider, top module of right slider, axis alignment module and control module on the steel sheet. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the present application, the mounting stages 7 are symmetrically disposed along a vertical plane in the front-rear direction and a vertical plane in the left-right direction, respectively. Therefore, the structural stability of the mounting rack 7 is improved, and meanwhile, the mounting rack is convenient to process and mount. It should be understood that the above description is only illustrative and not restrictive in any way.
In the embodiment of the application, the mounting rack 7 can be divided into three parts, wherein the left part is provided with a left slide block center module, the right part is provided with a right slide block center module, and the middle part is provided with an axis alignment module, wherein the mounting surface of the left part is flush with the mounting surface of the right part, the height of the mounting surface of the middle part is lower than that of the mounting surface of the left part (or the right part), a groove is formed, and the axis alignment module is mounted in the groove. Therefore, the tool is more compact in structure and occupies less space. It should be understood that the above description is only illustrative and not restrictive in any way.
In this application embodiment, the left fixing frame and the right fixing frame can be installed on the installation rack 7 in a detachable connection (such as bolting) or non-detachable connection (such as welding, riveting and the like) mode, so as to ensure the structural stability of the tool and improve the precision of assembling or disassembling the permanent magnet synchronous motor by using the tool. It should be understood that the above description is only illustrative and not restrictive in any way.
In the embodiment of the application, the casing 4 with the stator core of the permanent magnet synchronous motor is fixedly arranged on the casing fixing platform 33, and the axis of the casing is ensured to be parallel to the axis of the centre by the aid of the datum which is parallel to the axis of the centre and is arranged on the fixing platform 33; the pressure sensor is arranged on a left center (or a right center), the left center (or the right center) drives the pressure sensor to move on a left fixing frame (or a right fixing frame) along the left-right direction and extend into an installation seam allowance in the machine shell 4, the machine shell 4 moves upwards through the lifting platform 26 and stops after touching a test head of the pressure sensor, the control box 10 calculates and records the displacement Y1 of the machine shell and returns to the original position, the machine shell 4 moves downwards through the lifting platform 26 and stops after touching the test head of the pressure sensor, and the control box 10 calculates and records the displacement Y2 of the machine shell and returns to the original position; similarly, the engine shell 4 is moved forwards and backwards through the engine shell fixing platform 33, and lower displacements X1 and X2 are recorded respectively, as shown in FIG. 10, the axis where the tip is located is taken as the origin of coordinates (0, 0), the coordinates of the spherical center of the test head of the pressure sensor are (0, -h), and the coordinates of the axis position of the engine shell 4 are known to be (X1/2-X2/2, Y2/2-Y1/2-h); and controlling the lifting platform 26 to move up and down and/or the machine shell fixing platform 33 to move back and forth according to the calculation result, so that the center of the mounting spigot is superposed with the axis of the left centre (or the right centre). Meanwhile, the left sliding block center module and the right sliding block center module are installed on the installation rack 7 in a left-right mirror mode, and the axes of the left center and the right center are overlapped, so that after the left center and the right center are matched and clamped with the rotor 1, the central axis of the rotor 1 is overlapped with the axes of the left center and the right center. Therefore, the right center and the left center are in linkage to clamp the rotor 1 to move along the left-right direction, and the rotor 1, the shell 4 with the stator core, the front end cover 3 and the rear end cover 5 can be assembled or disassembled with high precision. It should be understood that the above description is only illustrative and not restrictive in any way.
In this embodiment, the test head rigidly connected to the pressure sensor may be a stress sensing element, for example, a probe including a small pin (e.g., a measuring rod) and a ball head, where one end of the small pin is fixedly connected to the ball head and the other end is detachably connected to the pressure sensor. The small needle can be made of ceramic, tungsten steel, stainless steel and the like, and the small needle is generally connected with the pressure sensor through detachable threads. It should be understood that the above description is only illustrative and not restrictive in any way.
In the embodiment of the present application, when the housing 4 moves, the ball touches the inner wall of the housing 4, and the small needle generates a strain. The strain amount of the stress sensing element can be set, when the housing 4 moves, the inner side wall touches the stress sensing element, the stress sensing element is strained, when the strain amount of the stress sensing element reaches a set value, the stress sensor feeds back a touch signal of the housing 4 and the stress sensing element to the control box, and the displacement amount of the housing 4 is recorded (for example, determined by the feeding amount of a lead screw). When the machine shell 4 moves along the up-down and front-back directions, the center of the installation seam allowance on the machine shell 4 can be determined through the displacement of at least 3 points of the machine shell 4. It should be understood that the above description is only illustrative and not restrictive in any way.
In the embodiment of the present application, the stress sensing element is detachably mounted on the pressure sensor, for example, the probe is screwed with the pressure sensor through a small needle. Therefore, the stress sensing element can be conveniently installed and replaced, the application range of the tool is improved, and the convenience of maintenance is improved. It should be understood that the above description is only illustrative and not restrictive in any way.
In the embodiment of the present application, the smaller the strain amount of the stress sensing element is set, the higher the detection precision when the housing 4 is in motion and in contact with the stress sensing element is, the more accurate the center positioning of the installation seam allowance of the housing 4 is, and the smaller the eccentricity between the installation seam allowance and the front end cover 3 and the rear end cover 5 is. When the strain of the stress sensing element is set to be infinitely close to zero, the eccentricity between the mounting spigot and the front end cover 3 and the rear end cover is infinitely close to zero. It should be understood that the above description is only illustrative and not restrictive in any way.
In the embodiment of the present application, when the pressure sensor is mounted on the left center (or the right center), the stress sensing element is mounted on the pressure sensor in an inclined manner (for example, in an inclined manner, and the housing 4 is prevented from colliding with the small pin of the stress sensing element during the up-down and back-and-forth movement. Therefore, the shell 4 can be touched with the ball head in the moving process, and the accuracy of determining the installation seam allowance on the shell 4 is improved. It should be understood that the above description is only illustrative and not restrictive in any way. In the embodiment of the application, when the permanent magnet synchronous motor is assembled or disassembled without the aid of the high-precision assembling and disassembling tool for the permanent magnet synchronous motor, the rotor 1 with the permanent magnet can be naturally adsorbed to the stator, the suction force is large, great difficulty is brought to assembling or disassembling, and when the rotor 1 is attempted to be moved to the central axis, the other side can be rapidly adsorbed to generate collision. When the permanent magnet synchronous motor is assembled or disassembled by means of the high-precision assembling and disassembling tool for the permanent magnet synchronous motor, the center of an installation seam allowance of a shell 4 with a stator iron core of the permanent magnet synchronous motor fixed on the shell fixing platform 33 is determined by a pressure sensor through the up-and-down movement of the lifting table 26 and the back-and-forth movement of the shell fixing platform 33, so that the center of the installation seam allowance is superposed with the axes of a left center and a right center, namely the axis of the shell 4 is superposed with the axes of the left center and the right center; the left center and the right center which are coincident in axis are matched and linked, the centers which are the same as the linking direction are driven by a displacement servo, and the centers which are opposite to the linking direction are driven by a force servo to compensate an error gap in the linkage process of the two centers, so that the clamping reliability of a rotor is ensured, the rotor 1 with a permanent magnet of a clamping permanent magnet synchronous motor moves along the left and right directions, the high-precision assembling and disassembling of the rotor 1, the shell 4 with a stator iron core, the front end cover 3 and the rear end cover 5 are realized, and the distance between an installation spigot and the front end cover 3 as well as the eccentric rear end cover 5 is effectively reduced; the difficulty in assembling the permanent magnet synchronous motor is reduced, the assembling precision of the permanent magnet synchronous motor is improved, and the assembling reliability of the permanent magnet synchronous motor is ensured. It should be understood that the above description is only illustrative and not restrictive in any way.
In some optional embodiments, the left center is slidably mounted on the left fixing frame through a lead screw slider mechanism, and/or the right center is slidably mounted on the right fixing frame through a lead screw slider mechanism. It should be understood that the above description is only illustrative and not restrictive in any way.
In this embodiment of the application, a left lead screw 9 is rotatably mounted on the left fixing frame, the left lead screw 9 extends along the left-right direction, a left slider 12 is mounted on the left lead screw 9, a left tip is mounted on the left slider 12, and the left lead screw 9 and the left slider 12 can be in threaded connection with each other. Therefore, the left sliding block 12 drives the left centre to move along the left-right direction through the rotation of the left lead screw 9 on the left fixing frame. Similarly, the right center and the right fixing frame can also adopt the same mechanism and structure form to realize the movement of the right center on the right fixing frame along the left-right direction. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the present application, the left fixing frame is composed of two metal plates, the two metal plates are respectively and fixedly mounted on the mounting rack 7 along the left-right direction, and the two metal plates are rotatably connected between the left lead screw 9 through a bearing. Therefore, on the basis of ensuring the structural stability of the left fixing frame, the structure is simplified, and meanwhile, the processing and the installation are convenient. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In a specific example, along the moving direction of the left centre, two ends of the left fixing frame are respectively provided with a first left limit switch 8 and a second left limit switch 13 for limiting the movement of the left centre on the left fixing frame; and/or a first right limit switch 18 and a second right limit switch 21 are respectively arranged at two ends of the right fixing frame along the moving direction of the right tip and used for limiting the movement of the right tip on the right fixing frame. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the application, the first left limit switch 8 is positioned on the left side of the left fixing frame, the second left limit switch 13 is positioned on the right side of the left fixing frame, and the left center moves between the first left limit switch 8 and the second left limit switch 13. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the present application, the first left limit switch 8 and/or the second left limit switch 13 may adopt a mechanical limit or an electrical limit; when the first left limit switch 8 and/or the second left limit switch 13 adopt mechanical limit, a mechanical limit structure (for example, a limit block installed on a left fixing frame) is used for stopping the left and right movement of the left center, and when the left center touches the mechanical limit structure, the mechanical limit structure stops the movement of the left center; when the first left limit switch 8 and/or the second left limit switch 13 adopt electrical limit, the first left limit switch 8 and/or the second left limit switch 13 are electrically connected with the control box 10, after the left tip touches the electrical limit element, the electrical limit element immediately sends a signal to the control box 10, and the right control box 10 cuts off the power source of the motion of the left tip to limit the motion of the left tip. No matter a mechanical limiting structure or an electrical limiting element is adopted, the movement of the left center can be effectively stopped in time, and the operation safety is guaranteed. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the application, the first right limit switch 18 and/or the second right limit switch 21 may adopt the same structure and mechanism form as the first left limit switch 8 and/or the second left limit switch 13, so as to effectively stop the movement of the right center in time and ensure the operation safety. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In another specific example, a left sliding guide rod is arranged on the left fixing frame, the axis of the left sliding guide rod is parallel to the axis of the left center, and the left sliding guide rod is used for guiding the left and right movement of the left center on the left fixing frame; and/or a right sliding guide rod is arranged on the right fixing frame, the axis of the right sliding guide rod is parallel to the axis of the right tip, and the right sliding guide rod is used for guiding the right tip to move left and right on the right fixing frame. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the application, the left sliding guide rod is arranged between the two metal plates of the left fixing frame and arranged in parallel with the left lead screw 9, and the left sliding block 12 is sleeved on the left sliding rod and the left lead screw 9 simultaneously; the rotation of left lead screw 9 drives left slider 12 and removes, and left slip guide bar plays the guide effect to the removal of left slider 12, makes left slider 12 drive left top and remove along left right direction on left lead screw 9, avoids rocking or rotation of left slider 12 around left lead screw 9. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In this application embodiment, left side slip guide can be a plurality of, and a plurality of left side slip guide can wind left lead screw 9 equipartitions to the direction accuracy when improving left slider 12 and moving on left lead screw 9 improves left slider 12's structural mechanics performance simultaneously, for example, can make left slider 12 bear even reaction force when pressing from both sides tight rotor 1 at left top and right top, and can not produce the unbalance loading. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the present application, the arrangement of the right sliding guide rod on the right fixing frame may adopt the same arrangement of the left sliding guide rod on the left fixing frame to guide the right and left movement of the right center on the right fixing frame, so as to improve the direction accuracy of the right slider 20 when moving on the right lead screw 19, and improve the structural mechanical property of the right slider 20. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, a left rotating hand wheel is arranged on the left side of the left fixing frame, and/or a left driving motor 15 is arranged on the right side of the left fixing frame, and both the left rotating hand wheel and the left driving motor 15 can drive the left centre to move on the left fixing frame; and/or a right driving motor 16 is arranged on the left side of the right fixing frame, and/or a right rotating hand wheel is arranged on the right side of the right fixing frame, and the right driving motor 16 and the right rotating hand wheel can drive the right tip to move on the right fixing frame. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In this application embodiment, the left hand wheel that rotates is located the left side of the left side metal sheet of left mount, and with left lead screw 9 fixed connection, can drive left lead screw 9 and rotate to make left slider 12 drive left top along left and right direction removal. The left driving motor 15 is located on the right side of the right metal plate of the left fixing frame and connected with the left lead screw 9 through the left speed reducer 14, power is transmitted to the left lead screw 9, the left lead screw 9 is driven to rotate, and therefore the left sliding block 12 drives the left center to move in the left-right direction. The left driving motor 15 is electrically connected to the control box 10, and outputs or cuts off power to the left lead screw 9 in response to an instruction from the control box 10. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the present application, both the left driving motor 15 and the left reducer 14 may be fixed on the mounting rack 7, an output end of the left driving motor 15 is connected to an output end of the left reducer 14, and an output end of the left reducer 14 is connected to the left lead screw 9 to transmit power of the left driving motor 15 to the left lead screw 9. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the present application, the right driving motor 16, the right reducer 17, and the right rotating hand wheel may adopt the same mechanism and structure form as the left driving motor 15, the left reducer 14, and the left rotating hand wheel, so as to drive the right center to move on the right fixing frame. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some alternative embodiments, the lift table 26 is mounted to the middle of the mounting table 7 by a lead screw threaded mechanism. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the application, the lifting platform 26 is installed at the groove in the middle of the installation rack 7 and is located above the installation surface at the groove; a lifting motor 23 is fixedly arranged on the mounting surface below the groove on the mounting rack 7, and the lifting motor 23 is connected with a lifting screw 25 through a lifting reducer 24; the elevating screw penetrates through the mounting surface of the groove and is in threaded connection with the elevating platform 26 above the groove. The elevating motor 23 drives the elevating screw 25 to rotate, so as to move the elevating platform 26 in the up-down direction. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the application, the lifting screw rod is installed on the installation rack 7 along the up-down direction through a bearing; can be on installation rack 7, a fixed connection (for example riveting, welding, bolt etc.) installation riser on the installation face of recess below, with elevator motor 23 fixed mounting on the installation riser, and elevator motor 23's output extends along the upper and lower direction, elevator reduction gear 24 installs on the installation face of recess below, and elevator reduction gear 24's input is connected with elevator motor 23's output, elevator reduction gear 24's output and elevator screw's bottom are connected to drive elevator screw and rotate, drive elevating platform 26 moves along the upper and lower direction. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the present application, in order to ensure the stability of the lifting platform 26 during the up-and-down movement, a fixing plate is further disposed on the mounting rack 7, and the fixing plate is fixedly connected in the groove through a fixing rod and is located above the groove; the upper end of the lifting screw rod is connected with the fixed plate through a bearing. Therefore, the lifting screw 25 can be effectively prevented from generating eccentricity when rotating, and the up-and-down motion of the lifting platform 26 is more stable. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In a specific example, the mounting rack 7 is further provided with a first lower limit switch 28 and a second lower limit switch 27, and the first lower limit switch 28 and the second lower limit switch 27 are respectively located at the upper side and the lower side of the lifting platform 26 and are used for limiting the vertical movement of the lifting platform 26. The first lower limit switch 28 and/or the second lower limit switch 27 may adopt the same mechanism and structure form as the first left limit switch 8 and/or the second left limit switch 13 to limit the up-and-down movement of the lifting platform 26, so as to effectively stop the movement of the lifting platform 26 in time and ensure the operation safety. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In another specific example, the mounting table 7 is further provided with an up-down sliding guide rod for guiding the up-down movement of the lifting table 26. The up-down sliding guide rod can adopt the same mechanism and structure form as the left sliding guide rod to guide the up-down movement of the lifting platform 26, so that the direction accuracy of the up-down movement of the lifting platform 26 is improved, and the structural mechanical property of the lifting platform 26 is improved. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In a specific application scenario, the lift table 26 includes: mounting panel, movable plate and connecting rod, the mounting panel with the movable plate parallels, the movable plate pass through lead screw thread mechanism install in the middle part of installation rack 7, the mounting panel passes through connecting rod fixed connection be in the top of movable plate, just slidable mounting on the mounting panel casing fixed platform 33. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In this application embodiment, the movable plate is located between the bottom surface of recess and the fixed plate, and the mounting panel is located the top of fixed plate, and the one end fixed connection mounting panel of connecting rod, other end pass fixed plate back fixed connection movable plate. The moving plate is in threaded connection with the lifting screw rod and can drive the mounting plate to move up and down along with the rotation of the lifting screw rod; meanwhile, an upper limit switch is arranged on the lower surface of the fixed plate, and a lower limit switch is arranged on the bottom surface of the groove, so that the up-and-down movement position of the moving plate is limited. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some alternative embodiments, the housing fixing platform 33 is mounted on the elevating platform 26 by a lead screw thread mechanism to move in the front-rear direction on the elevating platform 26. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the application, an upper driving motor 30 and an upper speed reducer 31 are fixedly installed on an installation plate, the output end of the upper driving motor 30 is connected with the input end of the upper speed reducer 31, the output end of the upper speed reducer 31 is connected with an upper screw rod 34, and the upper screw rod 34 is in threaded connection with a shell fixing platform 33; and the axis of the upper screw 34 extends along the front-rear direction, and both ends of the upper screw 34 are rotatably connected to the mounting plate through bearings, respectively. Therefore, the upper driving motor 30 drives the upper screw rod 34 to rotate through the upper speed reducer 31, so that the machine shell fixing platform 33 moves back and forth on the mounting plate, and the relative positions of the center of the mounting spigot of the machine shell 4 mounted on the machine shell fixing platform 33 and the axial lines of the left center and the right center are adjusted. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In a specific example, the lifting platform 26 is further provided with a first upper limit switch 32 and a second upper limit switch 35, and the first upper limit switch 32 and the second upper limit switch 35 are respectively located at the front side and the rear side of the casing fixing platform 33 and are used for limiting the front and rear movement of the casing fixing platform 33. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In this embodiment of the application, the first upper limit switch 32 and the second upper limit switch 35 may adopt the same mechanism and structure form as the first left limit switch 8 and the second left limit switch 13, so as to limit the front and back movement of the casing fixing platform 33, effectively stop the movement of the casing fixing platform 33 in time, and ensure the operation safety. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, the lifting platform 26 is provided with a sliding rail along the front-back direction, and correspondingly, the casing fixing platform 33 is provided with a sliding groove adapted to the sliding rail, so that the casing fixing platform 33 can move along the sliding rail. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In this application embodiment, cooperate through slide rail and spout, make casing fixed platform 33 remove along the slide rail, the effectual casing fixed platform 33 of having avoided probably produces when removing deflects about, guarantees that casing fixed platform 33 removes along the fore-and-aft direction, improves the casing 4 precision when carrying out position control of installation on casing fixed platform 33. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In this embodiment, a sliding groove may be further formed in the lifting platform 26 along the front-rear direction, and a sliding rail is further formed in the housing fixing platform 33, so that the left-right deflection possibly generated when the housing fixing platform 33 moves can be effectively avoided, the movement of the housing fixing platform 33 along the front-rear direction is ensured, and the accuracy of the housing 4 mounted on the housing fixing platform 33 during position adjustment is improved. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In a specific example, the cross section of the sliding groove and the sliding rail is V-shaped or dovetail groove-shaped. Therefore, the sliding rails with the V-shaped or dovetail groove-shaped cross sections are matched with the sliding grooves, so that the case fixing platform 33 can move on the lifting platform 26 in the front-back direction, meanwhile, the matched sliding rails and the sliding grooves have the automatic centering effect, and the moving precision of the case fixing platform 33 on the lifting platform 26 can be ensured after long-time use. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, a sleeve is arranged on the pressure sensor, and the pressure sensor is sleeved on the left tip or the right tip through the sleeve. Therefore, the pressure sensor can be conveniently and quickly mounted and dismounted on the left center or the right center, and the high-precision assembling or dismounting efficiency of the permanent magnet synchronous motor is improved. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some alternative embodiments, the mounting seam allowance comprises: the left mounting spigot is matched with a front end cover 3 of the permanent magnet synchronous motor, and the right mounting spigot is matched with a rear end cover of the permanent magnet synchronous motor; correspondingly, the pressure sensor comprises: the left pressure sensor 11 is detachably mounted on the left center, can move left and right along with the left center, and extends into the left mounting seam allowance to determine the center of the left mounting seam allowance; the right pressure sensor 22 is detachably mounted on the right tip, can move left and right along with the right tip, and extends into the right mounting seam allowance to determine the center of the right mounting seam allowance. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the present application, the left pressure sensor 11 extends into a left mounting seam allowance of the case 4 (for example, a small ball is located at any position in a left mounting seam allowance plane) along with the movement of the left center, the case 4 moves upward through the lifting platform 26, and stops after touching the test head of the pressure sensor 11, the control box 10 calculates and records the displacement Y1 of the case 4, and returns to the original position, the case 4 moves downward through the lifting platform 26, and stops after touching the test head of the pressure sensor, and the control box 10 calculates and records the displacement Y2 of the case 4, and returns to the original position; similarly, the engine shell 4 is moved forwards and backwards through the engine shell fixing platform 33, and lower displacements X1 and X2 are recorded respectively, as shown in FIG. 10, the axis where the tip is located is taken as the origin of coordinates (0, 0), the coordinates of the sphere center of the test head are (0, -h), and the coordinates of the axis position of the engine shell 4 are known to be (X1/2-X2/2, Y2/2-Y1/2-h); and controlling the lifting platform 26 to move up and down and/or the machine shell fixing platform 33 to move back and forth according to the calculation result, so that the centers of the left mounting seam allowance and the right mounting seam allowance are superposed with the axis of the left center (or the right center). Therefore, the eccentricity between the mounting spigot and the front end cover 3 and the rear end cover 5 is effectively reduced, and the high-precision assembly or disassembly of the rotor 1, the shell 4 with the stator core, the front end cover 3 and the rear end cover 5 is realized. It should be understood that the above description is only illustrative and not restrictive in any way.
In some alternative embodiments, the control box 10 is fixedly mounted at the lower part of the mounting rack 7 and is located below the left slide block tip module or below the right slide block tip module. Therefore, the tool is convenient to operate, the structure of the tool is more compact, the occupied space is smaller, and the adaptability of the tool is effectively improved. It should be understood that the above description is only illustrative and not restrictive in any way.
In the embodiment of the present application, the left driving motor 15, the right driving motor 16, the lifting motor 23, and the upper driving motor 30 may be servo motors with a locking braking function. It should be understood that the above description is only illustrative and not restrictive in any way.
As shown in fig. 10, the flow when the permanent magnet synchronous motor is assembled by using the high-precision assembling and disassembling tool for the permanent magnet synchronous motor provided in the embodiment of the present application is as follows:
step S901, the left center is reset to the first left limit switch 8 through the control box 10, and the right center is reset to the second right limit switch 21;
step S902, placing the housing 4 with the stator core on the housing fixing platform 33 according to a preset position and fixing;
in the embodiment of the present application, the housing 4 is placed on the housing fixing platform 33 with the mounting surface of the front cover 3 facing left; the casing 4 is fixed to the casing fixing table 33 by the casing fixing pressure plate 29. It should be understood that the above description is only illustrative and not restrictive in any way.
Step S903, the axis of the shell 4 is automatically adjusted to be coincident with the axes of the left center and the right center by using a pressure sensor;
in the embodiment of the application, the left pressure sensor 11 with the sleeve is sleeved on the left center, the control box 10 controls the left driving motor 15 to start, the left pressure sensor 11 moves along with the left center until a probe of the left pressure sensor 11 extends into the position of the left mounting spigot, the control box 10 controls the lifting platform 26 to move up and down and the machine shell fixing platform 33 to move back and forth, so that a testing head of the left pressure sensor 11 respectively touches the inner wall of the machine shell 4, displacement data of the machine shell 4 are collected, the central position of the left mounting spigot of the machine shell 4 is calculated, the lifting platform 26 is automatically adjusted to move up and down, and the machine shell fixing platform 33 moves back and forth until the axis of the machine shell 4 coincides with the axes of the left center and. It should be understood that the above description is only illustrative and not restrictive in any way.
Step S904, the pressure sensor is disassembled, the left center is returned to the first left limit switch 8, and the right center is returned to the second right limit switch 21;
step S905, enabling the rear end cover 5 to penetrate through the right center; installing a front end cover 3, a front bearing 2 and a rear bearing 6 on a rotor with a permanent magnet, and clamping the assembled rotor by a left center and a right center;
in the embodiment of the application, the left center is moved by the left driving motor 15 or the left rotating hand wheel, the right center is moved by the right driving motor 16 or the right rotating hand wheel, the left center and the right center are matched to clamp the assembled rotor and are positioned on the left side of the casing 4, so that the assembly is facilitated. It should be understood that the above description is only illustrative and not restrictive in any way.
Step S906, the assembled rotor is sent into the shell 4 through the matching of the left center and the right center;
in the embodiment of the application, the assembled rotor is sent into the shell 4 through linkage of the left center and the right center, and in the process, the left center moves by adopting displacement servo to push the assembled rotor to move rightwards; the right centre moves by adopting force servo and provides leftward thrust for the assembled rotor so as to ensure that the assembled rotor is in a clamping state in the process of being sent into the machine shell 4. It should be understood that the above description is only illustrative and not restrictive in any way.
Step S907, fixedly connecting the front end cover 3 and the rear end cover to the shell 4 respectively;
in the embodiment of the application, when the assembled rotor is sent into the casing 4, after the front end cover 3 completely enters the stator core, the left center and the right center stop moving and are locked, and the front end cover 3 is screwed with the casing 4 by using the connecting screws; the rear end cover on the right center is fed into the housing 4 and screwed down by the connecting screw. It should be understood that the above description is only illustrative and not restrictive in any way.
And step S908, taking down the assembled motor, and restoring the permanent magnet synchronous motor high-precision assembling and disassembling tool.
In the embodiment of the present application, the step of disassembling the permanent magnet synchronous motor is opposite to the step of assembling the permanent magnet synchronous motor, and is not described herein again.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a frock is dismantled in assembly of PMSM high accuracy for assemble or dismantle PMSM, its characterized in that includes: the device comprises a mounting rack, a left slide block center module, a right slide block center module, an axis alignment module and a control module;
the top module of left slider includes: the left fixing frame is fixedly arranged on the left side of the mounting rack, and the left tip is slidably arranged on the left fixing frame and can move on the left fixing frame in the left-right direction;
the top module of right slider includes: the right fixing frame is fixedly arranged on the right side of the mounting rack, the right center is slidably arranged on the right fixing frame and can move on the right fixing frame in the left-right direction, and the right center is linked with the left center and can clamp the rotor with the permanent magnet of the permanent magnet synchronous motor to move in the left-right direction;
the axis alignment module includes: the lifting platform is slidably mounted in the middle of the mounting rack and is positioned between the left sliding block center module and the right sliding block center module; the shell fixing platform is slidably mounted on the lifting platform, can move on the lifting platform in the front-back direction and can move along with the lifting platform in the up-down direction under the driving of the lifting platform, and is used for fixedly mounting a shell with a stator iron core of the permanent magnet synchronous motor;
the control module includes: a pressure sensor and a control box; the pressure sensor is detachably arranged on the left tip or the right tip; the control box is electrically connected with the left sliding block center module, the right sliding block center module, the axis alignment module and the pressure sensor respectively;
the pressure sensor is used for determining the center of the installation spigot of the shell, so that the center of the installation spigot is overlapped with the axial lines of the left centre and the right centre.
2. The permanent magnet synchronous motor high-precision assembling and disassembling tool according to claim 1, characterized in that the left center is slidably mounted on the left fixing frame through a lead screw slider mechanism, and/or the right center is slidably mounted on the right fixing frame through a lead screw slider mechanism;
preferably, along the moving direction of the left center, a first left limit switch and a second left limit switch are respectively arranged at two ends of the left fixing frame and used for limiting the movement of the left center on the left fixing frame; and/or a first right limit switch and a second right limit switch are respectively arranged at two ends of the right fixing frame along the moving direction of the right center, and are used for limiting the movement of the right center on the right fixing frame;
furthermore, a left sliding guide rod is arranged on the left fixing frame, the axis of the left sliding guide rod is parallel to the axis of the left tip, and the left sliding guide rod is used for guiding the left and right movement of the left tip on the left fixing frame; and/or a right sliding guide rod is arranged on the right fixing frame, the axis of the right sliding guide rod is parallel to the axis of the right tip, and the right sliding guide rod is used for guiding the right tip to move left and right on the right fixing frame.
3. The permanent magnet synchronous motor high-precision assembling and disassembling tool according to claim 1, characterized in that a left rotating hand wheel is arranged on the left side of the left fixing frame, and/or a left driving motor is arranged on the right side of the left fixing frame, and both the left rotating hand wheel and the left driving motor can drive the left center to move on the left fixing frame;
and/or the presence of a gas in the gas,
the left side of the right fixing frame is provided with a right driving motor, and/or the right side of the right fixing frame is provided with a right rotating hand wheel, and the right driving motor and the right rotating hand wheel can drive the right tip to move on the right fixing frame.
4. The permanent magnet synchronous motor high-precision assembling and disassembling tool according to claim 1, characterized in that the lifting table is mounted in the middle of the mounting rack through a lead screw thread mechanism;
preferably, the mounting rack is further provided with a first lower limit switch and a second lower limit switch, and the first lower limit switch and the second lower limit switch are respectively positioned on the upper side and the lower side of the lifting platform and used for limiting the up-and-down movement of the lifting platform;
furthermore, an up-and-down sliding guide rod is further arranged on the mounting rack and used for guiding the up-and-down movement of the lifting platform.
5. The permanent magnet synchronous motor high-precision assembling and disassembling tool according to claim 4, wherein the lifting platform comprises: mounting panel, movable plate and connecting rod, the mounting panel with the movable plate parallels, the movable plate pass through lead screw thread mechanism install in the middle part of installation rack, the mounting panel passes through connecting rod fixed connection be in the top of movable plate, just slidable mounting on the mounting panel casing fixed platform.
6. The tool for assembling and disassembling the permanent magnet synchronous motor at high precision according to claim 1, wherein the machine shell fixing platform is mounted on the lifting table through a lead screw thread mechanism so as to move on the lifting table in the front-back direction;
preferably, the lifting platform is further provided with a first upper limit switch and a second upper limit switch, and the first upper limit switch and the second upper limit switch are respectively located on the front side and the rear side of the casing fixing platform and used for limiting the front and rear movement of the casing fixing platform.
7. The tool for assembling and disassembling the permanent magnet synchronous motor at high precision according to claim 1, wherein a sliding rail is arranged on the lifting platform along the front-back direction, and correspondingly, a sliding groove matched with the sliding rail is arranged on the machine shell fixing platform, so that the machine shell fixing platform can move along the sliding rail;
preferably, the cross sections of the sliding groove and the sliding rail are V-shaped or dovetail groove-shaped.
8. The permanent magnet synchronous motor high-precision assembling and disassembling tool according to claim 1, characterized in that a sleeve is arranged on the pressure sensor, and the pressure sensor is sleeved on the left center or the right center through the sleeve.
9. The permanent magnet synchronous motor high-precision assembling and disassembling tool according to claim 1, wherein the mounting spigot comprises: the left mounting spigot is matched with a front end cover of the permanent magnet synchronous motor, and the right mounting spigot is matched with a rear end cover of the permanent magnet synchronous motor; correspondingly, the pressure sensor comprises: the left pressure sensor is detachably mounted on the left center, can move left and right along with the left center and extends into the left mounting seam allowance so as to determine the center of the left mounting seam allowance; the right pressure sensor is detachably mounted on the right tip, can move left and right along with the right tip and extends into the right mounting spigot so as to determine the center of the right mounting spigot.
10. The tool for assembling and disassembling the permanent magnet synchronous motor according to any one of claims 1 to 9, wherein the control box is fixedly mounted at the lower part of the mounting rack and is positioned below the left slide block center module or below the right slide block center module.
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| CN202011599327.7A CN112713727B (en) | 2020-12-29 | 2020-12-29 | Permanent magnet synchronous motor high-precision assembling and disassembling tool |
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| CN202011599327.7A CN112713727B (en) | 2020-12-29 | 2020-12-29 | Permanent magnet synchronous motor high-precision assembling and disassembling tool |
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| CN112713727B CN112713727B (en) | 2024-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523748A (en) * | 2021-07-02 | 2021-10-22 | 中冶宝钢技术服务有限公司 | Automatic assembly device and process for drying roller |
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