CN114513098A - Motor stator protective sleeve mounting method - Google Patents
Motor stator protective sleeve mounting method Download PDFInfo
- Publication number
- CN114513098A CN114513098A CN202210105769.4A CN202210105769A CN114513098A CN 114513098 A CN114513098 A CN 114513098A CN 202210105769 A CN202210105769 A CN 202210105769A CN 114513098 A CN114513098 A CN 114513098A
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- CN
- China
- Prior art keywords
- stator
- winding
- protective sleeve
- winding group
- free end
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- 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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- 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
- H02K15/0025—Shaping or compacting conductors or winding heads after the installation of the winding in the core or machine ; Applying fastening means on winding heads
- H02K15/0037—Shaping or compacting winding heads
- H02K15/0043—Applying fastening means on winding headS
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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
- H02K15/10—Applying solid insulation to windings, stators or rotors
- H02K15/105—Applying solid insulation to windings, stators or rotors to the windings
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to a method for installing a motor stator protective sleeve, which is characterized in that after winding groups at two ends of a stator core are shaped by shaping equipment, a stator protective sleeve is sleeved at the end part of the winding group, the binding band arranged in the free end of the bottom of the stator protective sleeve is used for adjusting the connectivity between the stator protective sleeve and the end part of the winding group, and the fixing binding belt is wound on the surface of the winding group through the winding equipment automatically without taking down the stator protective sleeve, the fixed end at the top of the stator protective sleeve is bent towards the inner side of the notch arranged in the winding group, so as to expose the stator winding to completely wrap the external coil, coil the redundant binding belt in the free end on the surface of the stator core after confirming the connectivity between the stator protective sleeve and the end part of the winding group, the installation method greatly accelerates the installation speed of the stator protective sleeve and the winding end of the motor stator under the condition of not influencing the usability and the functionality of the stator protective sleeve.
Description
Technical Field
The invention relates to a motor stator production and manufacturing technology, in particular to a motor stator protective sleeve mounting method.
Background
During production and transportation of coils on the stator winding, the copper wires exposed outside the coils are damaged frequently due to weather factors and external factors. In order to solve the problems, in the protective structure used in the prior art, a coil of a stator winding exposed outside is wrapped, so that the adverse effect of the external environment on the stator winding is reduced, and the main material used in the protective structure is a winding tape; however, the existing protective structure has the following disadvantages: the adhesive tape which can completely wrap the coil of the stator winding exposed outside needs to be manually wound, time and labor are consumed, and the production efficiency is extremely low.
Disclosure of Invention
In order to solve the problems, the invention provides the method for installing the motor stator protection sleeve, which is simpler, more convenient, has high production rate and high automation degree and is low in cost compared with a method for coating a coil by manually winding a winding tape to expose a stator winding outside.
In order to achieve the purpose, the invention provides a mounting method of a motor stator protective sleeve, which comprises the following steps:
a. shaping the winding groups arranged at the two ends of the stator core by shaping equipment;
b. sleeving the bottom of the stator protective sleeve on the end part of the winding group;
c. sleeving the bottom of the stator protective sleeve on the outer side wall of the winding set, and tightly binding the stator protective sleeve through a binding band;
d. bending the part of the top of the stator protective sleeve exceeding the height of the outer side wall of the winding group to the inner side of the winding group to wrap the inner side wall of the winding group;
e. winding the redundant part of the binding band on the outer surface of the stator core;
f. and under the condition that the stator protective sleeve is not taken down, the fixing bandage is coiled on the surface of the winding group through the arranged winding equipment. According to the method, the winding groups at two ends of the stator core are firstly shaped, the stator protective sleeve is fixedly sleeved on the end part of the winding group, and the top of the stator protective sleeve is bent towards the inner side of the winding group, so that the stator winding is exposed out of the outer coil and completely wrapped, the mounting difficulty of sleeving the stator protective sleeve on the winding group is reduced, meanwhile, the fixing bandage is wound on the surface of the winding group through the winding equipment automatically without taking down the stator protective sleeve, and further the winding time of the fixing bandage is greatly saved.
In a further scheme, a step b-2 is added between the step a and the step b, and the step b-2 is to wind part of the fixing bandage on the surface of the winding group in advance through a set winding device. The method is characterized in that a part of the fixed binding belt disc is wound on the surface of the winding group in advance through the winding device between the step a and the step b, so that the mounting speed of the stator protective sleeve sleeved on the winding group is further improved.
In a further aspect, the bottom of the stator protective sleeve mentioned in step b is provided with a free end matched with the end of the winding set, and the free end is provided with a binding band for fixing the stator protective sleeve on the winding set. This kind of setting is through the bandage that sets up on the free end in the stator protective sheath, and the connectivity between stator protective sheath and the winding group tip is independently adjusted.
In a further aspect, the maximum diameter of the free end of the bottom of the stator protection sleeve mentioned in step c is larger than the diameter of the end of the winding group. The diameter of the opening is larger than that of the end part of the winding group, so that the stator protective sleeve is conveniently sleeved on the end part of the winding group.
A further scheme is that step d mentions when not taking off the stator protective sheath, will fix the bandage dish around winding group on the surface, specifically for the winding formula is equipped with the insulating layer on the stator core inner wall, the insulating layer adopt insulating paper, the copper wire in the insulating layer embedded setting winding group, and every clearance that exists between every pair of insulating layer to adjacent setting, spooling equipment is through every clearance between the insulating paper to adjacent setting, will fix the bandage winding on winding group on the surface. This arrangement allows the spooling equipment to wind a stationary tape reel around the surface of the winding group without removing the stator sheath.
In a further aspect, the excess part of the binding band mentioned in step e is specifically to wind the remaining binding band at the bottom of the stator protective sleeve on the surface of the stator core when the diameter of the free end at the bottom of the stator protective sleeve is equal to the diameter of the bottom of the winding group. The arrangement winds the redundant binding bands in the free end on the surface of the stator core, and prevents the stator protective sleeve from falling off due to external factors in the transportation process.
A further scheme is that the part of the top of the stator protective sleeve mentioned in the step f, which exceeds the height of the outer side wall of the winding group, is specifically a fixed end of the stator protective sleeve, which is not provided with a binding band, the opening diameter of the fixed end is smaller than that of the free end, and the fixed end is a foldable bending part. The arrangement turns the fixed end of the stator protective sleeve to the inner side of the winding group with the notch, so that the stator winding is exposed outside and the coil is completely wrapped.
The invention designs a method for installing a motor stator protective sleeve, which is characterized in that after winding groups at two ends of a stator iron core are shaped by shaping equipment, a stator protective sleeve is sleeved at the end part of the winding group, the binding band arranged in the free end of the bottom of the stator protective sleeve is used for adjusting the connectivity between the stator protective sleeve and the end part of the winding group, and the fixing binding belt is wound on the surface of the winding group through the winding equipment automatically without taking down the stator protective sleeve, the fixed end at the top of the stator protective sleeve is bent towards the inner side of the notch arranged in the winding group, so as to expose the stator winding to completely wrap the external coil, coil the redundant binding belt in the free end on the surface of the stator core after confirming the connectivity between the stator protective sleeve and the end part of the winding group, the installation method greatly accelerates the installation speed of the stator protective sleeve and the winding end of the motor stator under the condition of not influencing the usability and the functionality of the stator protective sleeve.
Drawings
Fig. 1 is a diagram of a motor stator protective sleeve installation process.
Fig. 2 is a schematic view of a motor stator protective sleeve installation.
Fig. 3 is a front view of a motor stator protective sleeve.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1.
As shown in fig. 1, fig. 2 and fig. 3, in the method for installing a stator protection sleeve of an electric machine described in this embodiment, the method for installing the stator protection sleeve 3 includes the following steps:
a. shaping the winding groups 2 arranged at two ends of the stator core 1 through shaping equipment;
b. a free end 6 arranged at the bottom of the stator protective sleeve 3 is matched and sleeved with the end part of the winding group 2, and the maximum diameter of the free end 6 is larger than that of the end part of the winding group 2;
c. the maximum diameter of the free end 6 is adjusted to be equal to the diameter of the end part of the winding group 2 through a binding belt 4 arranged in the free end 6 at the bottom of the stator protection sleeve 3, so that the stator protection sleeve is fixed at the end part of the winding group 2;
d. setting the stator protective sleeve 3 without the binding band 4 as a fixed end 7, wherein the opening diameter of the fixed end 7 is smaller than that of the free end 6, the fixed end 7 is a foldable bent part, and the fixed end 7 is bent towards the inner side of the winding group 2 to wrap the inner side wall of the winding group 2;
e. when the diameter of the free end 6 at the bottom of the stator protection sleeve 3 is equal to that of the end part of the winding group 2, winding the residual binding belt 4 at the bottom of the stator protection sleeve 3 on the surface of the stator core 1;
f. under the condition of not taking off stator protective sheath 3, 1 inner wall of stator core on the insulating paper of surrounding type setting, the copper wire in insulating paper embedded type sets up winding group 2, and every clearance that exists between the insulating layer to adjacent setting, spooling equipment is through every clearance between the insulating paper to adjacent setting, with the winding of fixing bandage 5 on winding group 2 on the surface.
Example 2.
As shown in fig. 1, fig. 2 and fig. 3, in the method for installing a stator protection sleeve of an electric machine described in this embodiment, the method for installing the stator protection sleeve 3 includes the following steps:
a. shaping the winding groups 2 arranged at two ends of the stator core 1 through shaping equipment;
b. a free end 6 arranged at the bottom of the stator protective sleeve 3 is matched and sleeved with the end part of the winding group 2, and the maximum diameter of the free end 6 is larger than that of the end part of the winding group 2;
b-2, pre-coiling part of the fixing binding band 5 on the surface of the winding group by the arranged winding equipment;
c. the maximum diameter of the free end 6 is adjusted to be equal to the diameter of the end part of the winding group 2 through a binding belt 4 arranged in the free end 6 at the bottom of the stator protection sleeve 3, so that the stator protection sleeve is fixed at the end part of the winding group 2;
d. setting the stator protective sleeve 3 without the binding band 4 as a fixed end 7, wherein the opening diameter of the fixed end 7 is smaller than that of the free end 6, the fixed end 7 is a foldable bent part, and the fixed end 7 is bent towards the inner side of the winding group 2 to wrap the inner side wall of the winding group 2;
e. when the diameter of the free end 6 at the bottom of the stator protection sleeve 3 is equal to that of the end part of the winding group 2, winding the residual binding belt 4 at the bottom of the stator protection sleeve 3 on the surface of the stator core 1;
f. under the condition of not taking off stator protective sheath 3, 1 inner wall of stator core on the insulating paper of surrounding type setting, the copper wire in the embedded formula of insulating paper sets up winding group 2, and every clearance that has between the insulating layer to adjacent setting, spooling equipment is through every clearance between the insulating paper to adjacent setting, with remaining fixed bandage 5 winding on winding group 2 on the surface.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A mounting method of a motor stator protective sleeve is characterized in that the mounting method of the stator protective sleeve (3) is divided into the following steps:
a. shaping the winding groups (2) arranged at the two ends of the stator core (1) through shaping equipment;
b. sleeving the bottom of the stator protective sleeve (3) on the end part of the winding group (2);
c. sleeving the bottom of the stator protective sleeve (3) on the outer side wall of the winding set (2), and tightly binding through a binding band (4);
d. bending the part of the top of the stator protective sleeve (3) exceeding the height of the outer side wall of the winding group (2) to the inner side of the winding group (2) to wrap the inner side wall of the winding group (2);
e. winding the redundant part of the binding band (4) at the connecting position of the winding group (2) and the stator core (1);
f. under the condition that the stator protective sleeve (3) is not removed, the fixing bandage (5) is wound on the surface of the winding group (2) through the arranged winding equipment.
2. The method for mounting the protective sleeve of the stator of the motor according to claim 1, characterized in that a step b-2 is added between the step a and the step b, and the step b-2 is to pre-coil a part of the fixing strap (5) on the surface of the winding group (2) by using a winding device to ensure the shape of the winding group (2).
3. A method for mounting a stator sheath of an electric machine according to claim 1, characterized in that the bottom of the stator sheath (3) mentioned in step b is provided with a free end (6) which is matched with the end of the winding group (2), and the free end (6) is provided with a binding band (4) for fixing the stator sheath (3) on the winding group (2).
4. Method for mounting a protective sleeve on the stator of an electric machine according to claim 2, characterized in that the maximum diameter of the free end (6) of the bottom of the protective sleeve (3) mentioned in step c is larger than the diameter of the bottom of the winding group (2).
5. The method for mounting a protective sleeve on a stator of an electric motor according to claim 1, 2 or 3, wherein the top of the protective sleeve (3) exceeds the height of the outer side wall of the winding set (2) in step d, specifically, the fixed end (7) of the protective sleeve (3) without the binding band (4) is provided, the opening diameter of the fixed end (7) is smaller than that of the free end (6), and the fixed end (7) is a foldable bent part.
6. Method for mounting a protective sleeve of a stator of an electric machine according to claim 4, characterized in that the excess of the tie (4) mentioned in step e is implemented by winding the remaining tie (4) at the bottom of the stator protective sleeve (3) at the position where the winding (2) is engaged with the stator core (1) when the diameter of the free end (6) at the bottom of the stator protective sleeve (3) is equal to the diameter of the bottom of the winding (2).
7. Method for mounting a protective sleeve of a stator of an electric machine according to claim 5, characterised in that step f provides for winding the fixing straps (5) around the surface of the winding groups (2) without removing the protective sleeve (3), in particular by providing an insulating layer around the inner wall of the stator core (1), in which the copper wires of the winding groups (2) are embedded, and in which there is a gap between each pair of adjacently positioned insulating layers, the winding device winding the fixing straps (5) around the surface of the winding groups (2) through the gap between each pair of adjacently positioned insulating papers.
8. A method of installing a protective sleeve on a stator of an electric machine according to claim 6, wherein the insulating layer is made of insulating paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210105769.4A CN114513098A (en) | 2022-01-28 | 2022-01-28 | Motor stator protective sleeve mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210105769.4A CN114513098A (en) | 2022-01-28 | 2022-01-28 | Motor stator protective sleeve mounting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114513098A true CN114513098A (en) | 2022-05-17 |
Family
ID=81548902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210105769.4A Pending CN114513098A (en) | 2022-01-28 | 2022-01-28 | Motor stator protective sleeve mounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114513098A (en) |
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2022
- 2022-01-28 CN CN202210105769.4A patent/CN114513098A/en active Pending
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