CN215120480U - Tool for permanent magnet motor final assembly - Google Patents
Tool for permanent magnet motor final assembly Download PDFInfo
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- CN215120480U CN215120480U CN202120844692.3U CN202120844692U CN215120480U CN 215120480 U CN215120480 U CN 215120480U CN 202120844692 U CN202120844692 U CN 202120844692U CN 215120480 U CN215120480 U CN 215120480U
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- motor
- shaft
- assembly
- permanent magnet
- connecting sleeve
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Abstract
The utility model relates to an assembly for permanent magnet motor, belonging to the field of motor manufacture, in particular to a tool for the assembly of permanent magnet motor; the technical scheme is as follows: a frock for permanent-magnet machine final assembly, includes: the motor comprises a lifting ring for lifting a rotor assembly, a positioning guide assembly and an operating platform for connecting with a front end cover of a transmission end of a motor base; the positioning guide assembly comprises a guide shaft, a connecting sleeve, a plurality of guide rods and a process sleeve sleeved on the motor shaft; one end of the connecting sleeve, which is provided with the counter bore, is attached to the process sleeve, one end of the connecting sleeve, which is provided with the threaded hole, is connected with the guide shaft, and the counter bore and the threaded hole are communicated through the connecting hole; the shaft head of the motor shaft is inserted into the counter bore of the connecting sleeve and fixed through a bolt, the bolt penetrates through the connecting hole, and the nut of the bolt is positioned in the threaded hole; one end of the guide shaft is inserted into the threaded hole of the connecting sleeve, and the other end of the guide shaft penetrates through the front outer bearing cover; the guide rod penetrates through the fastening hole of the rear end cover assembly and then is in threaded connection with the non-transmission end of the motor stator base.
Description
Technical Field
The utility model discloses a frock for permanent-magnet machine's final assembly belongs to the motor field of making, concretely relates to final assembly for permanent-magnet machine.
Background
The permanent magnet synchronous motor has the obvious characteristics of simple structure, low loss, high efficiency, high power density and the like, along with the increasing requirements of international society on low-carbon economy and energy conservation, the permanent magnet synchronous motor is widely applied to various fields such as servo systems, electric automobiles, rail transit, wind power generation and the like by virtue of performance advantages, the permanent magnet synchronous motor generates various types with different characteristics and performances due to extremely diverse rotor structures, and meanwhile, when the permanent magnet motor is assembled, the motor is extremely easy to be damaged due to the magnetic force between the rotor and the stator, so that the radial deviation of the rotor and the stator need to be strictly restricted when the permanent magnet motor is assembled.
At present, a permanent magnet motor fixing machine (special equipment) is usually used during assembly of a (medium-large) permanent magnet motor, a special tool is matched with each type of motor, the motor adopts a stator component to axially move along the center of a rotor component, the fixing machine is large in input, high in cost and inconvenient to move when being used, and the permanent magnet motor fixing machine is suitable for large-batch production and assembly line production and is not suitable for single-batch production and small-batch production and trial production.
SUMMERY OF THE UTILITY MODEL
The utility model provides a frock for permanent-magnet machine's final assembly has overcome inconvenient removal, the unsuitable problem of single trial production.
In order to solve the technical problem, the utility model discloses a technical scheme be: a frock for permanent-magnet machine final assembly, includes: the motor base comprises a lifting ring for lifting a rotor assembly, a positioning guide assembly and an operating platform for connecting with a front end cover of a transmission end of the motor base;
the positioning guide assembly comprises a guide shaft, a connecting sleeve, a plurality of guide rods and a process sleeve sleeved on the motor shaft;
one end of the connecting sleeve, which is provided with the counter bore, is attached to the process sleeve, one end of the connecting sleeve, which is provided with the threaded hole, is connected with the guide shaft, and the counter bore and the threaded hole are communicated through the connecting hole;
the shaft head of the motor shaft is inserted into the counter bore of the connecting sleeve and fixed through a bolt, the bolt penetrates through the connecting hole, and the nut of the bolt is positioned in the threaded hole;
one end of the guide shaft is inserted into the threaded hole of the connecting sleeve and is in threaded connection with the connecting sleeve, and the other end of the guide shaft penetrates through the front outer bearing cover;
the guide rod penetrates through the fastening hole of the rear end cover assembly and then is in threaded connection with the non-transmission end of the motor stator base.
The lifting ring is installed in a center hole of a non-transmission end of the motor shaft.
The operation panel includes: the mounting seat for placing the permanent magnet motor body and the supporting component for stabilizing the mounting seat are arranged on the mounting seat;
the mounting seat is provided with a mounting hole, and the guide shaft is matched with the mounting hole.
The inner diameter of the counter bore is in clearance fit with a shaft head of a motor shaft.
The outer diameters of the guide shaft, the connecting sleeve and the process sleeve are equal.
The sum of the length of the counter bore of the connecting sleeve and the length of the process sleeve is equal to the length of the motor shaft extension.
The front end cover and the front outer bearing cover are arranged at the transmission end of the stator component.
The rear end cap assembly is mounted at the non-drive end of the rotor assembly.
And a front inner bearing cover and a front bearing are arranged at the rotating end of the rotor component.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model adopts the positioning guide component to lead the guide rod to penetrate through the fastening hole of the rear end cover component and then be connected with the non-transmission end thread of the motor stator frame, and when the assembly is carried out, the length of the guide rod is larger than the distance from the upper end surface of the rear end cover to the non-transmission end surface of the motor stator frame; the length of the guide shaft can realize that the lower end surface of the iron core of the rotor assembly and the upper end surface of the iron core of the stator assembly are not overlapped in the axial direction during final assembly; meanwhile, the sum of the length of the counter bore of the connecting sleeve and the length of the process sleeve is equal to the length of the motor shaft extension; the utility model discloses can retrain the rotor subassembly when permanent-magnet machine assembles, make the rotor subassembly can only follow stator module's center, axial displacement, change mounting means in the past to simple structure, the removal of being convenient for can use in different occasions, single, small batch production and trial production.
The utility model discloses an installation flow does:
before the utility model is used, a worker installs the front end cover and the front outer bearing cover at the transmission end of the stator component and then puts the transmission port of the stator component downwards on a perforated operating platform; then, the rear end cover assembly is arranged at the non-transmission end of the rotor assembly, and the hanging ring is arranged in a central hole of the non-transmission end of the rotating shaft; the front inner bearing cover and the front bearing are arranged at a bearing position at the transmission end of the rotor assembly, the process sleeve is arranged on a shaft head of the motor shaft, the shaft head of the motor shaft penetrates through the process sleeve and then is inserted into a counter bore of the connecting sleeve and is fixed through a bolt, and the guide shaft is inserted into the threaded hole and is in threaded connection with the connecting sleeve; hoisting the stator assembly above the stator assembly through a hoisting ring by using hoisting equipment; slowly and vertically lowering the rotor assembly until the front end of the guide shaft penetrates into the hole of the front outer bearing cover, and then, penetrating a plurality of guide rods through fastening holes of the rear end cover assembly and then connecting the guide rods with the non-transmission end of the motor stator base through threads; then continuing to lower the rotor assembly, assembling the rotor assembly and the stator assembly in place, dismantling the guide rod and fastening the rear end cover; hoisting the assembled motor, placing the motor on an operation table, and removing a hoisting ring, a guide shaft, a screw (standard part), a connecting sleeve and a process sleeve; fastening the front inner bearing cover, and installing a rear cover of the motor; checking whether each part is fastened, making anti-loosening marks, and finishing the final assembly.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention;
FIG. 3 is a schematic view of a second embodiment of the present invention;
fig. 4 is the schematic structural diagram of the positioning and guiding assembly of the present invention.
In the figure: the structure comprises a rotor assembly 1, a lifting ring 2, a front end cover 3, a guide shaft 4, a connecting sleeve 5, a counter bore 51, a threaded hole 52, a connecting hole 53, a guide rod 6, a motor shaft 7, a shaft head 71, a process sleeve 8, a bolt 9, a front outer bearing cover 10, a rear end cover assembly 11, a motor stator base 12, a mounting seat 13, a supporting part 14, a stator assembly 15, a front inner bearing cover 16 and a front bearing 17.
Detailed Description
As shown in the figures, a frock for permanent-magnet machine final assembly includes: the lifting ring 2 is used for lifting the rotor assembly 1, the positioning guide assembly and the operating platform is used for being connected with the front end cover 3 of the transmission end of the motor base;
the positioning guide assembly comprises a guide shaft 4, a connecting sleeve 5, a plurality of guide rods 6 and a process sleeve 8 sleeved on a motor shaft 7;
one end, provided with a counter bore 51, of the connecting sleeve 5 is attached to the process sleeve 8, one end, provided with a threaded hole 52, of the connecting sleeve 5 is connected with the guide shaft 4, and the counter bore 51 is communicated with the threaded hole 52 through a connecting hole 53;
the shaft head 71 of the motor shaft 7 penetrates through the technical sleeve 8 and is inserted into the counter bore 51 of the connecting sleeve 5 and is fixed through the bolt 9, the bolt 9 penetrates through the connecting hole 53, and the nut of the bolt is positioned in the threaded hole 52;
one end of the guide shaft 4 is inserted into the threaded hole 52 of the connecting sleeve 5 and is in threaded connection with the connecting sleeve 5, and the other end of the guide shaft 4 penetrates through the front outer bearing cover 10;
the guide rod 6 penetrates through the fastening hole of the rear end cover assembly 11 and then is in threaded connection with the non-transmission end of the motor stator base 12, and the guide rod 6 is in clearance fit with the rear end cover assembly 11.
Preferably, the suspension ring 2 is mounted in a central hole of the non-transmission end of the motor shaft 7.
Preferably, the operation table includes: a mounting seat 13 for placing the permanent magnet motor body and a supporting component 14 for stabilizing the mounting seat 13;
the mounting seat 13 is provided with a mounting hole, and the guide shaft 4 is matched with the mounting hole.
Preferably, the inner diameter of the counterbore 51 is in clearance fit with the shaft head 71 of the motor shaft 7.
Preferably, the outer diameters of the guide shaft 4, the connecting sleeve 5 and the process sleeve 8 are all equal;
preferably, the inner diameter of the technical sleeve 8 can be adjusted according to the size of the shaft head of the motor shaft.
Preferably, the sum of the length of the counter bore 51 of the connecting sleeve 5 and the length of the process sleeve 8 is equal to the length of the motor shaft extension.
Preferably, the front end cap 3 and the front outer bearing cap 10 are mounted to the drive end of the stator assembly 15.
Preferably, the rear end cap assembly 11 is mounted to the non-drive end of the rotor assembly 1.
Preferably, a front inner bearing cover 16 and a front bearing 17 are mounted on the rotating end of the rotor assembly 1.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (9)
1. The utility model provides a frock for permanent-magnet machine final assembly which characterized in that includes: the lifting ring (2) is used for lifting the rotor assembly (1), the positioning guide assembly and the operating platform is used for being connected with the front end cover (3) at the transmission end of the motor base;
the positioning guide assembly comprises a guide shaft (4), a connecting sleeve (5), a plurality of guide rods (6) and a process sleeve (8) sleeved on a motor shaft (7);
one end of the connecting sleeve (5) provided with a counter bore (51) is attached to the process sleeve (8), one end of the connecting sleeve (5) provided with a threaded hole (52) is connected with the guide shaft (4), and the counter bore (51) is communicated with the threaded hole (52) through a connecting hole (53);
a shaft head (71) of the motor shaft (7) penetrates through the technical sleeve (8) and is inserted into a counter bore (51) of the connecting sleeve (5) and fixed through a bolt (9), the bolt (9) penetrates through the connecting hole (53), and a nut of the bolt is positioned in the threaded hole (52);
one end of the guide shaft (4) is inserted into a threaded hole (52) of the connecting sleeve (5) and is in threaded connection with the connecting sleeve (5), and the other end of the guide shaft (4) penetrates through the front outer bearing cover (10);
the guide rod (6) penetrates through the fastening hole of the rear end cover assembly (11) and then is in threaded connection with the non-transmission end of the motor stator base (12).
2. A tool for permanent magnet motor final assembly according to claim 1, characterized in that the suspension ring (2) is mounted in the central hole of the non-transmission end of the motor shaft (7).
3. The tool for permanent magnet motor final assembly according to claim 1 or 2, wherein the operation table comprises: a mounting seat (13) for placing the permanent magnet motor body and a supporting component (14) for stabilizing the mounting seat (13);
the mounting seat (13) is provided with a mounting hole, and the guide shaft (4) is matched with the mounting hole.
4. A tool for permanent magnet motor final assembly according to claim 3, characterized in that the inner diameter of the counterbore (51) is clearance fitted with the shaft head (71) of the motor shaft (7).
5. The tooling for permanent magnet motor final assembly according to claim 4, wherein the outer diameters of the guide shaft (4), the connecting sleeve (5) and the process sleeve (8) are all equal.
6. The tool for the final assembly of the permanent magnet motor according to claim 5, wherein the sum of the length of the counter bore (51) of the connecting sleeve (5) and the length of the technical sleeve (8) is equal to the length of the motor shaft extension.
7. A tooling for permanent magnet motor final assembly according to claim 6, characterized in that the front end cover (3) and the front outer bearing cap (10) are mounted at the driving end of the stator assembly (15).
8. A tooling for permanent magnet motor final assembly according to claim 7, characterized in that the rear end cover assembly (11) is mounted at the non-driving end of the rotor assembly (1).
9. Tool for permanent magnet motor final assembly according to claim 8, characterized in that a front inner bearing cover (16) and a front bearing (17) are mounted on the rotating end of the rotor assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120844692.3U CN215120480U (en) | 2021-04-23 | 2021-04-23 | Tool for permanent magnet motor final assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120844692.3U CN215120480U (en) | 2021-04-23 | 2021-04-23 | Tool for permanent magnet motor final assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215120480U true CN215120480U (en) | 2021-12-10 |
Family
ID=79271303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120844692.3U Active CN215120480U (en) | 2021-04-23 | 2021-04-23 | Tool for permanent magnet motor final assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215120480U (en) |
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2021
- 2021-04-23 CN CN202120844692.3U patent/CN215120480U/en active Active
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