CN220190554U - Rotor pressing ring - Google Patents
Rotor pressing ring Download PDFInfo
- Publication number
- CN220190554U CN220190554U CN202120658973.XU CN202120658973U CN220190554U CN 220190554 U CN220190554 U CN 220190554U CN 202120658973 U CN202120658973 U CN 202120658973U CN 220190554 U CN220190554 U CN 220190554U
- Authority
- CN
- China
- Prior art keywords
- pressing ring
- rotor
- clamping ring
- wall
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003973 paint Substances 0.000 claims abstract description 57
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 13
- 239000011810 insulating material Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a rotor pressing ring, which comprises a front pressing ring and a rear pressing ring which are arranged in parallel, wherein opposite end surfaces of the front pressing ring and the rear pressing ring are vertically connected through a plurality of reinforcing ribs, a cylinder is sleeved on the outer wall of the front pressing ring, the height of the cylinder is smaller than the distance between the opposite end surfaces of the front pressing ring and the rear pressing ring, and a gap is formed between the end surfaces of the cylinder and the rear pressing ring. Compared with the prior art, the cylinder is sleeved on the outer wall of the front pressing ring. The height of the cylinder is smaller than the distance between the opposite end surfaces of the front pressing ring and the rear pressing ring, namely, a gap is reserved between the end surface of the cylinder and the end surface of the rear pressing ring, the rotor rotates slowly while being immersed with insulating paint, and the insulating paint can flow to the inner wall of the rotor coil from the gap, so that the inner wall of the rotor coil can be immersed with paint better, and the ventilation effect of the inner wall of the rotor coil can be achieved.
Description
Technical Field
The utility model relates to the technical field of rotor pressing rings, in particular to a rotor pressing ring.
Background
The fixed part of the motor is called a stator, on which a pair of DC excited stationary main poles are arranged; the rotating part is called an armature core, on which an armature winding is arranged, and generates induced electromotive force after being electrified, and the induced electromotive force acts as a rotating magnetic field.
The rotor pressing ring is a part of the inner wall of the rotor coil of the wound motor, is separated from the inner wall of the rotor coil by insulating materials during wire embedding, and needs a certain strength.
After the insulating material is used at the excircle of a rotor pressing ring of a general air-cooled wound motor, the insulating material outside the pressing ring and the pressing ring form a whole, after the rotor is soaked with paint, redundant insulating paint cannot flow out from the inner wall of the rotor coil to form large paint nodules inside the pressing ring, the paint nodules are difficult to clean after the insulating paint is solidified, and the paint nodules can cause unbalance in the dynamic balance of a rotor in the later period.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide a rotor pressing ring. The outer wall of the front pressing ring is sleeved with a cylinder. The height of the cylinder is smaller than the distance between the opposite end surfaces of the front pressing ring and the rear pressing ring, namely, a gap is reserved between the end surface of the cylinder and the end surface of the rear pressing ring, the rotor rotates slowly while being immersed with insulating paint, and the insulating paint can flow to the inner wall of the rotor coil from the gap, so that the inner wall of the rotor coil can be immersed with paint better, and the ventilation effect of the inner wall of the rotor coil can be achieved.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme.
The utility model provides a rotor clamping ring, includes preceding clamping ring and the back clamping ring of parallel arrangement, connects perpendicularly through a plurality of strengthening ribs between the relative terminal surface of preceding clamping ring and back clamping ring, and the cover is equipped with the drum on the outer wall of preceding clamping ring, and the height of drum is less than the distance between the relative terminal surface of preceding clamping ring and back clamping ring, forms the space between the terminal surface of drum and back clamping ring.
Preferably, the front pressing ring is provided with a plurality of paint discharging through holes near the edge of the cylinder.
Preferably, the paint discharging through holes are long-strip-shaped holes, the length of the long-strip-shaped holes is 4-8mm, and the width of the long-strip-shaped holes is 3-5mm.
Preferably, the number of paint discharging through holes is 6.
Preferably, a circle of ventilation holes are uniformly formed in the front pressing ring.
The utility model provides a generator, includes horizontally rotor core, the cover is equipped with rotor coil on rotor core's the outer wall, rotor coil's length is greater than rotor core's length, be formed with the cavity between rotor core's two terminal surfaces and rotor coil's the inner wall respectively, be provided with the rotor clamping ring in every cavity, every back clamping ring is hugged closely with rotor core's terminal surface, is provided with the insulating layer between every drum and rotor coil's the inner wall, is provided with the insulating layer between every back clamping ring's lateral wall and rotor coil's the inner wall.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The outer wall of the front pressing ring is sleeved with a cylinder. The height of the cylinder is smaller than the distance between the opposite end surfaces of the front pressing ring and the rear pressing ring, namely, a gap is reserved between the end surface of the cylinder and the end surface of the rear pressing ring, the rotor rotates slowly while being immersed with insulating paint, and the insulating paint can flow to the inner wall of the rotor coil from the gap, so that the inner wall of the rotor coil can be immersed with paint better, and the ventilation effect of the inner wall of the rotor coil can be achieved.
(2) The paint discharging through hole is used for enabling the insulating paint at the dead angle between the front pressing ring and the cylinder to smoothly flow out when the rotor is immersed in the insulating paint.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a front press ring and a rear press ring of the present utility model;
FIG. 2 is a left side view of the front and rear press rings of the present utility model;
fig. 3 is a schematic overall structure of the present utility model.
In the figure: 1. a front pressing ring; 2. a rear pressing ring; 3. reinforcing ribs; 4. a cylinder; 5. paint discharging through holes; 6. a vent hole; 7. a rotor coil; 8. and a rotor core.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a rotor clamping ring, includes preceding clamping ring 1 and back clamping ring 2 of parallel arrangement, preceding clamping ring 1 with connect perpendicularly through a plurality of strengthening ribs 3 between the relative terminal surface of back clamping ring 2, the cover is equipped with drum 4 on the outer wall of preceding clamping ring 1, the height of drum 4 is less than preceding clamping ring 1 is with the distance between the relative terminal surface of back clamping ring 2, drum 4 with form the space between the terminal surface of back clamping ring 2.
In the above embodiment, the rotor pressing ring comprises a front pressing ring 1 and a rear pressing ring 2 which are arranged in parallel, opposite end surfaces of the front pressing ring 1 and the rear pressing ring 2 are vertically connected through a plurality of reinforcing ribs 3, and a cylinder 4 is sleeved on the outer wall of the front pressing ring 1. Since the excessive insulating paint cannot flow out from the inner wall of the rotor coil 7 after the rotor is immersed in the insulating paint, large paint nodules are formed inside the rotor pressing ring, the paint nodules are difficult to clean after the insulating paint is solidified, and unbalance is caused in the dynamic balance of the rotor at the later stage, so that the height of the cylinder 4 is smaller than the distance between the opposite end surfaces of the front pressing ring 1 and the rear pressing ring 2, namely, a gap is reserved between the end surface of the cylinder 4 and the end surface of the rear pressing ring 2, and when the rotor is immersed in the insulating paint, the insulating paint can flow to the inner wall of the rotor coil 7 from the gap, so that the inner wall of the rotor coil 7 is better immersed in the paint, and the ventilation effect of the inner wall of the rotor coil 7 can be achieved.
Preferably, the front pressing ring 1 is provided with a plurality of paint discharging through holes 5 near the edge of the cylinder 4.
In the above embodiment, the paint discharging through hole 5 is used to make the insulating paint smoothly flow out at the dead angle between the front pressing ring 1 and the cylinder 4 when the rotor is immersed in the insulating paint.
Preferably, the paint discharging through holes 5 are long-strip-shaped holes, the length of the long-strip-shaped holes is 4-8mm, and the width of the long-strip-shaped holes is 3-5mm.
In the above embodiment, the paint discharging through hole 5 is a long-strip-shaped hole, the length of the long-strip-shaped hole is 4-8mm, and the width of the long-strip-shaped hole is 3-5mm. The long-strip-shaped paint discharging through holes 5 can ensure the smooth outflow of the insulating paint.
Preferably, the number of the paint discharging through holes 5 is 6.
In the above embodiment, the number of the paint discharging through holes 5 is 6, so that the insulation paint at the dead angle between the front pressing ring 1 and the cylinder 4 can be ensured to smoothly flow out when the rotor is immersed in the insulation paint.
Preferably, a circle of ventilation holes 6 are uniformly formed on the front pressing ring 1.
In the above embodiment, a circle of exhaust through holes are uniformly formed on the end face of the front pressing ring 1 for heat dissipation and ventilation of the rotor.
The utility model provides a generator, includes horizontally rotor core 8, the cover is equipped with rotor coil 7 on rotor core 8's the outer wall, rotor coil 7's length is greater than rotor core 8's length, rotor core 8's two terminal surfaces respectively with be formed with the cavity between rotor coil 7's the inner wall, every be provided with the rotor clamping ring in the cavity, every back clamping ring 2 with rotor core 8's terminal surface is hugged closely, every drum 4 with be provided with the insulating layer between rotor coil 7's the inner wall, every back clamping ring 2's lateral wall with be provided with the insulating layer between rotor coil 7's the inner wall.
In the above embodiment, the generator includes horizontal rotor core 8, the cover is equipped with rotor coil 7 on the outer wall of rotor core 8, rotor coil 7's length is greater than rotor core 8's length, be formed with the cavity between rotor core 8's two terminal surfaces respectively and rotor coil 7's the inner wall, be used for being provided with the rotor clamping ring in the cavity, every back clamping ring 2 is hugged closely with rotor core 8's terminal surface, be provided with the insulating layer between every drum 4 and rotor coil 7's the inner wall, be provided with the insulating layer between the lateral wall of every back clamping ring 2 and rotor coil 7's the inner wall. The insulating layer is provided to prevent the risk of leakage during operation.
Working principle:
when the rotor core is used, the rotor coil 7 is sleeved on the outer wall of the rotor core 8, the length of the rotor coil 7 is larger than that of the rotor core 8, a cavity is formed between the two end faces of the rotor core 8 and the inner wall of the rotor coil 7 respectively, a rotor pressing ring can be arranged in the cavity, each rear pressing ring 2 is tightly attached to the end face of the rotor core 8, an insulating layer is arranged between the cylinder 4 and the inner wall of the rotor coil 7 extending out of the end face of the rotor core 8, an insulating layer is arranged between the outer side wall of the rear pressing ring and the inner wall of the rotor coil 7 extending out of the end face of the rotor core 8, and the insulating layer is used for preventing the danger of electric leakage in the working process.
The opposite end surfaces of the front pressing ring 1 and the rear pressing ring 2 are vertically connected through a plurality of reinforcing ribs 3, and a cylinder 4 is sleeved on the outer wall of the front pressing ring 1. Since the excessive insulating paint cannot flow out from the inner wall of the rotor coil 7 after the rotor is immersed in the insulating paint, large paint nodules are formed inside the rotor pressing ring, the paint nodules are difficult to clean after the insulating paint is solidified, and unbalance is caused in the dynamic balance of the rotor at the later stage, so that the height of the cylinder 4 is smaller than the distance between the opposite end surfaces of the front pressing ring 1 and the rear pressing ring 2, namely, a gap is reserved between the end surface of the cylinder 4 and the end surface of the rear pressing ring 2, and when the rotor is immersed in the insulating paint, the insulating paint can flow to the inner wall of the rotor coil 7 from the gap, so that the inner wall of the rotor coil 7 is better immersed in the paint, and the ventilation effect of the inner wall of the rotor coil 7 can be achieved.
In addition, in the process of immersing the rotor coil 7 in the insulating paint, the insulating paint is left at dead corners formed between the front pressing ring 1 and the cylinder 4, so that a plurality of paint discharging through holes 5 are formed at the edge of the front pressing ring 1, which is close to the cylinder 4, and the insulating paint at the dead corners can be smoothly discharged. And a circle of exhaust through holes are uniformly formed in the end face of the front pressing ring 1 and are used for heat dissipation and ventilation of the rotor.
While the utility model has been described in detail in this specification with reference to the general description and the specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the scope of the utility model as claimed.
Claims (5)
1. The utility model provides a rotor clamping ring, its characterized in that includes preceding clamping ring (1) and back clamping ring (2) of parallel arrangement, preceding clamping ring (1) with connect perpendicularly through a plurality of strengthening ribs (3) between the relative terminal surface of back clamping ring (2), the cover is equipped with drum (4) on the outer wall of preceding clamping ring (1), the height of drum (4) is less than distance between the relative terminal surface of preceding clamping ring (1) and back clamping ring (2), drum (4) with form the space between the terminal surface of back clamping ring (2).
2. Rotor pressing ring according to claim 1, characterized in that the front pressing ring (1) is provided with a plurality of paint discharge through holes (5) near the edge of the cylinder (4).
3. Rotor clamping ring according to claim 2, characterized in that the paint discharge through hole (5) is a strip-shaped hole, the length of which is 4-8mm and the width of which is 3-5mm.
4. Rotor clamping ring according to claim 2, characterized in that the number of paint discharge through holes (5) is 6.
5. Rotor clamping ring according to claim 1, characterized in that the front clamping ring (1) is evenly provided with a ring of ventilation holes (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120658973.XU CN220190554U (en) | 2021-03-31 | 2021-03-31 | Rotor pressing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120658973.XU CN220190554U (en) | 2021-03-31 | 2021-03-31 | Rotor pressing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220190554U true CN220190554U (en) | 2023-12-15 |
Family
ID=89109284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120658973.XU Active CN220190554U (en) | 2021-03-31 | 2021-03-31 | Rotor pressing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220190554U (en) |
-
2021
- 2021-03-31 CN CN202120658973.XU patent/CN220190554U/en active Active
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