CN218487683U - Stator core dismounting device - Google Patents
Stator core dismounting device Download PDFInfo
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- CN218487683U CN218487683U CN202222414190.4U CN202222414190U CN218487683U CN 218487683 U CN218487683 U CN 218487683U CN 202222414190 U CN202222414190 U CN 202222414190U CN 218487683 U CN218487683 U CN 218487683U
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- stator core
- jacking
- threaded
- dismounting device
- lifting claw
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 210000000078 claw Anatomy 0.000 claims description 41
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of machinery, in particular to a stator core dismounting device, which comprises a fastening mechanism for locking a stator core, a jacking mechanism in threaded connection with the fastening mechanism, and an external force application part for applying external force to the jacking mechanism; the utility model discloses a mode of rotatory jack-up nut makes the slow jack-up of jack-up mechanism stator core, the utility model discloses simple structure, convenient operation, low in labor strength need not beat repeatedly, and can not destroy the stator and influence the performance of stator.
Description
Technical Field
The utility model relates to the technical field of machinery, concretely relates to stator core dismounting device.
Background
Some direct current motors are locally maintained, and when the direct current motors are subjected to reversing, compensating and exciting windings are mutually overlapped, the direct current motors need to be drawn out of a stator for maintenance and then pressed into a motor shell, and because one side of the motor shell is closed, a stator core is difficult to disassemble after being pressed in.
In the prior art, a knocking method or an impacting method is often used when the stator is disassembled, but both the knocking method and the impacting method have many disadvantages, for example, the stator coil is damaged due to uneven force application during knocking, so that the performance of the stator is influenced; the time and labor are wasted during the impact, the working efficiency is not high, and safety accidents are easily caused by the instability of the impact caused by the knocking.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a stator core dismounting device, which aims to solve the defects existing in the prior art for dismounting the stator core, such as damage of a stator coil caused by uneven force application during knocking, thereby affecting the performance of the stator; the technical problems that time and labor are wasted during impact, the working efficiency is not high, and safety accidents are easily caused due to the instability of knocking impact are solved.
In order to solve the above problem, the utility model provides a stator core dismounting device, include:
the fastening mechanism comprises a stator core lifting claw which penetrates through the stator core and is tightly attached to the bottom of the stator core, and a pressing disc which is tightly attached to the other side of the stator core, and two ends of the stator core are accommodated between the stator core lifting claw and the pressing disc;
the jacking mechanism comprises a jacking rod, a jacking seat arranged on the jacking rod and a jacking nut for fixing the jacking seat on the jacking rod, and the jacking rod is matched with the internal thread of the stator core lifting claw and/or the pressing disc;
and an external force application member for driving the jack nut.
The stator core lifting claw is a cylinder with a threaded through hole, and at least two lifting claw parts used for lifting the stator core are arranged at the bottom of the stator core lifting claw.
The pressing disc is a circular plate with a threaded through hole in the center.
The surface of the pressing disc is also provided with a plurality of uniformly distributed threaded through holes, the lifting claw is provided with threaded holes, and a plurality of fastening screws penetrate through the threaded through holes and are matched with the threaded holes of the lifting claw.
And a preset avoidance vacancy is reserved on one side, close to the stator core, of the jacking seat, and a threaded through hole is further formed in the center of the jacking seat.
The jacking nut is installed on one side face, far away from the stator core, of the jacking seat.
The number of the claw parts is the same as that of the iron cores in the stator iron core.
The number of the fastening screws is consistent with the number of the threaded through holes in the lifting claw and the pressing disc.
The external force application part is any force application part capable of screwing the jacking nut.
The utility model discloses a mode of rotatory jack-up nut makes the slow jack-up of jack-up mechanism stator core, the utility model discloses simple structure, convenient operation, low in labor strength need not beat repeatedly, and can not destroy the stator and influence the performance of stator.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a stator core dismounting device provided by an embodiment of the present invention.
The technical features of the reference numbers in the drawings are as follows:
1. a fastening mechanism; 11. a stator core lifting claw; 12. a compression disc; 13. fastening screws; 2. a stator core; 3. a semi-enclosed housing; 4. a jack-up mechanism; 41. a jacking rod; 42. lifting the jacking seat; 43. jacking a nut; 5. an external force applying member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
The embodiment discloses a stator core dismounting device for dismounting a stator core of an electric motor, which comprises: the device comprises a fastening mechanism 1, a jacking mechanism 4 and an external force application part 5;
wherein, the fastening mechanism 1 is used for clamping the stator core 2; the jacking mechanism 4 is connected with the fastening mechanism 1 through a screw rod; and the external force application part 5 applies force slowly to enable the jacking mechanism 4 to move upwards slowly until the stator core 2 is completely moved out, so that the disassembly action is completed.
Further, the fastening mechanism 1 includes a stator core lifting claw 11 penetrating through the stator core 2 and closely attached to the bottom of the stator core 2, and a pressing disc 12 closely attached to the other end of the stator core 2, and two ends of the stator core 2 are accommodated between the stator core lifting claw 11 and the pressing disc 12.
Stator core carries claw 11 for having the cylinder of screw thread through-hole, and the bottom is equipped with at least two and is used for mentioning stator core 2 carry claw portion 111, the during operation will stator core carries claw 11 to pass behind the stator core 2, it is rotatory stator core carries 11 to certain angle backs of claw, stator core carries claw 11 upwards to mention, carry claw portion 111 with 2 bottom steps of stator core are hugged closely.
Preferably, the lifting claw part 111 is provided with a threaded through hole.
The pressing disc 12 is a circular plate with a threaded through hole in the center, a plurality of uniformly distributed threaded through holes are further formed in the surface of the pressing disc, and a plurality of fastening screws 13 penetrate through the threaded through holes and are matched with threaded holes of the lifting claw parts 111.
When the stator core clamping device works, the pressing disc 12 is tightly attached to the top of the stator core 2, the fastening screw 13 is used for connecting and fastening the pressing disc 12 and the stator core lifting claw 11 in a threaded mode, and the stator core 2 is completely fastened.
The fastening mechanism described above may be implemented by a number of different mechanisms.
For example, a boss may be disposed on one side of the pressing plate 12 close to the stator core lifting claw 11, and a thread may be disposed on the boss, one end of the stator core lifting claw 11 close to the pressing plate 12 is also disposed on a thread engaged with the boss, and the boss may be directly screwed with the stator core lifting claw 11, so as to fix the stator core 2.
For another example, the lifting claw part may be a foldable lifting claw, the lifting claw is retracted before the stator core lifting claw 11 passes through the stator core 2, the lifting claw naturally opens and closes under the influence of gravity after passing through the stator core 2, and then the lifting claw 11 is lifted and fixed with the pressing plate 12 through the fastening screw 13, so as to complete the fixation of the stator core 2.
Further, the jack mechanism 4 includes a jack screw 41, a jack 42 mounted on the jack screw, and a jack nut 43 for fixing the jack 42 to the jack screw 41.
The top screw rod 41 is a threaded rod.
A preset vacancy avoiding position is reserved on one side, close to the stator core 2, of the jacking seat 42, a threaded through hole is further formed in the center of the jacking seat 42, and when the semi-closed type motor shell works, the jacking screw rod 41 is firstly matched with the central threaded through hole of the pressing disc 42 and the central threaded through hole of the stator core lifting claw 11 and is screwed to be in contact with the bottom of the semi-closed type machine shell 3; and then, the jacking seat 42 is in threaded fit with the jacking rod 41, screwed to the semi-closed type casing 3 and tightly attached, finally, the jacking nut 43 is in threaded fit with the jacking rod 41, screwed to the jacking seat 42 and tightly pinched to complete preparation work, finally, the jacking nut 43 is screwed by an external force application member 5, the fastening mechanism 1 and the stator core 2 are slowly lifted until the stator core 2 is completely separated from the semi-closed type casing 3, and thus, the whole working process is completed.
The external biasing member 5 is any biasing member capable of screwing the jack nut 43.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A stator core dismounting device, comprising:
the fastening mechanism (1) comprises a stator core lifting claw (11) which penetrates through the stator core (2) and is attached to the bottom of the stator core (2), and a pressing disc (12) which is attached to the other side of the stator core (2), wherein two ends of the stator core (2) are accommodated between the stator core lifting claw (11) and the pressing disc (12);
the jacking mechanism (4) comprises a jacking rod (41), a jacking seat (42) installed on the jacking rod (41), and a jacking nut (43) for fixing the jacking seat (42) on the jacking rod (41), wherein the jacking rod (41) is matched with the internal thread of the stator core lifting claw (11) and/or the compression disc (12);
and an external force application member (5) for driving the jacking nut (43) to rotate.
2. A stator core dismounting device according to claim 1, characterized in that said stator core lifting claw (11) is a cylinder with a threaded through hole, and at least two lifting claw parts (111) for lifting said stator core (2) are provided at the bottom.
3. A stator core dismounting device according to claim 1, characterized in that said pressing disc (12) is a circular plate with a threaded through hole in the center.
4. A stator core dismounting device according to claim 2, characterized in that the surface of the pressing disc (12) is further provided with a plurality of uniformly distributed threaded through holes, the lifting claw part (111) is provided with threaded holes, and a plurality of fastening screws (13) pass through the threaded through holes and are matched with the threaded holes of the lifting claw part (111).
5. A stator core dismounting device according to claim 1, characterized in that a preset clearance is left at one side of the jacking seat (42) close to the stator core (2), and a threaded through hole is further arranged at the center of the jacking seat (42).
6. A stator core dismounting device according to claim 1, characterized in that the jacking nut (43) is mounted on a side of the jacking seat (42) remote from the stator core (2).
7. A stator core dismounting device according to claim 2, characterized in that the number of the lifting claw parts (111) is the same as the number of cores in the stator core (2).
8. A stator core dismounting device according to claim 4, characterized in that the number of fastening screws (13) corresponds to the number of threaded through holes in the lifting claw part (111) and the pressing disc (12).
9. A stator core dismounting device according to claim 1, characterized in that said external forcing member (5) is any forcing member capable of screwing said jacking nut (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222414190.4U CN218487683U (en) | 2022-09-08 | 2022-09-08 | Stator core dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222414190.4U CN218487683U (en) | 2022-09-08 | 2022-09-08 | Stator core dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218487683U true CN218487683U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222414190.4U Active CN218487683U (en) | 2022-09-08 | 2022-09-08 | Stator core dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218487683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117140020A (en) * | 2023-09-04 | 2023-12-01 | 上海中浦电磁科技有限公司 | Automatic separating equipment for sensor magnetic core strings |
-
2022
- 2022-09-08 CN CN202222414190.4U patent/CN218487683U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117140020A (en) * | 2023-09-04 | 2023-12-01 | 上海中浦电磁科技有限公司 | Automatic separating equipment for sensor magnetic core strings |
| CN117140020B (en) * | 2023-09-04 | 2024-03-19 | 上海中浦电磁科技有限公司 | Automatic separating equipment for sensor magnetic core strings |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240330 Address after: No. 3 and 4, 4th Floor, Building 1, Chonghua Xintong Science and Technology Park, No. 777-9 Guanggu Third Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee after: Wuhan Fengyue Electric Technology Co.,Ltd. Country or region after: China Address before: No. 299, Optics Valley Avenue, Donghu Development Zone, Wuhan City, Hubei Province 430000 Patentee before: Wuhan Yifeng Electric Technology Co.,Ltd. Country or region before: China |