CN113963938A - Transformer winding tensioning method - Google Patents
Transformer winding tensioning method Download PDFInfo
- Publication number
- CN113963938A CN113963938A CN202111202582.8A CN202111202582A CN113963938A CN 113963938 A CN113963938 A CN 113963938A CN 202111202582 A CN202111202582 A CN 202111202582A CN 113963938 A CN113963938 A CN 113963938A
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- China
- Prior art keywords
- wire
- crank arm
- arm
- brake
- transformer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/094—Tensioning or braking devices
Abstract
The invention relates to a transformer winding tensioning method, wherein a bracket is arranged on the surface of a base, a crank arm is arranged at the top of the bracket, one end of a lead sequentially penetrates through a wire coil, the bracket and the crank arm to the winding end of a transformer, and one end of a brake cable sequentially penetrates through the crank arm, the bracket to the brake end; a weight is hung on the crank arm, the tension force of the lead is adjusted by increasing or decreasing the weight, the tension trend of the lead is sensed, the tension force of the lead is maintained, the rotation of a lead wire coil is correspondingly controlled in real time, and the tension state of the lead is maintained when the moving speed of the lead changes; the method is simple to operate, stable and reliable, the cost of the device is low, and a good solution is provided for controlling the tension state of the lead in the winding process of the transformer.
Description
Technical Field
The invention relates to a transformer winding tensioning method, and belongs to the technical field of transformer winding devices.
Background
The influence of dry-type transformer coil winding quality to the performance parameter of transformer is great, whether there is enough tension to wire in-process wire is the important link of guaranteeing the winding quality, and say at present, the way of winding into the coil is received to the coil still relies on the manpower wire winding generally, this just leads to winding inefficiency, simultaneously because taut degree can't obtain the assurance ability, the homogeneity that leads to the wire winding also has great hidden danger, consequently how to obtain better wire tension is the problem that needs to be solved urgently in the transformer production process.
Disclosure of Invention
The invention provides a transformer winding tensioning method, which utilizes the gravity of a counterweight on a weight to adjust the tensioning degree of a wound wire of a transformer and still maintains the tensioning force of the wire when the moving speed of the wire changes.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a transformer winding tensioning method specifically comprises the following steps:
step S1: mounting a bracket on the surface of a base, and mounting a crank arm on the top of the bracket;
step S2: one end of the lead sequentially penetrates through the wire coil, the bracket and the crank arm to the wire winding end of the transformer, wherein when the lead penetrates through the crank arm, the rotating wheel frame on the driving arm of the crank arm is arranged on the lead;
step S3: one end of the brake cable sequentially penetrates through the crank arm and the bracket to the brake end, wherein the other end of the brake cable is fixed on the brake arm of the crank arm;
step S4: the lead hanger is suspended on a driving arm of the crank arm, and the end part of the driving arm provided with the lead hanger is the end part provided with the rotating wheel;
step S5: installing a weight on the weight hanger;
the required wire tension force is obtained by adjusting the number of counterweight blocks hung on the blocks, the active arm of the crank arm tends to be parallel to the surface of the base in a state without counterweight, the wire penetrating through the crank arm is slightly bent towards the direction of the base, and the crank arm has an obvious clockwise rotation tendency;
in the operation process of the device, when the tension force of the transformer for winding the wire is small, the bending degree of the wire close to the rotating wheel is increased, the weight hanger descends towards the base, the crank arm rotates anticlockwise, the brake wire is tightened, the resistance of the brake to the wire coil is increased, the rotating speed of the wire coil is reduced, the wire is continuously pulled by the winding end of the transformer, the bending degree of the wire penetrating through the crank arm is reduced, and the supporting force of the wire to the rotating wheel and the tension force of the weight hanger to the crank arm are balanced;
in the operation process of the device, when the tension force of the transformer for winding the wire is too large, the bending degree of the wire close to the rotating wheel is reduced, the wire provides thrust in the direction opposite to that of the base for the rotating wheel, the crank arm rotates clockwise, the brake wire is loosened, the resistance of the brake to the wire coil is reduced, the rotating speed of the wire coil is increased, the wire is continuously pulled by the winding end of the transformer, the bending degree of the wire penetrating through the crank arm is increased, and the supporting force of the wire to the rotating wheel and the pulling force of the weight hanger to the crank arm are balanced;
as a further preferable aspect of the present invention, one end of the active arm of the crank arm is connected to one end of the brake arm;
the connecting part of one end of the driving arm and one end of the brake arm is provided with an assembling hole, the top of the bracket is provided with a crank arm shaft, the crank arm is fixed on the crank arm shaft through the assembling hole, and the crank arm can rotate around the crank arm shaft;
as a further preferred aspect of the invention, a suspended weight shaft is mounted at the other end of the driving arm, the suspended weight shaft extends out of the driving arm, and a rotating wheel is sleeved at the extended end part;
as a further preferred aspect of the present invention, the other end of the brake arm is inserted through the pull spool, and the other end of the brake cable is fixed on the pull spool;
as a further preferred aspect of the present invention, the top of the bracket is a U-shaped structure, and two vertical arms of the U-shaped structure are parallel to the base at the same time; the transverse part of the U-shaped structure is provided with an extension frame; a bogie is arranged at the position of the bracket close to the base;
as a further preferred aspect of the present invention, a vertical arm close to the brake arm is provided with a wire inlet hole, the other vertical arm is provided with a wire outlet hole, the extension frame is provided with a wire passing hole, and the bogie is provided with a steering hole;
one end of the wire is sequentially penetrated through a wire coil, a wire inlet hole and a wire outlet hole to be connected with the transformer and is attached to the rotating wheel in the penetrating process;
one end of the brake cable sequentially penetrates through the cable hole and the steering hole to be connected with the brake end, and the other end of the brake cable is connected to the cable pulling shaft;
in a further preferred embodiment of the present invention, in step S5, when the lead wire inserted into the crank arm portion is bent slightly in the direction of the base, the distance between the wire axis and the wire passing hole is small.
Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. according to the transformer winding tensioning method provided by the invention, a counterweight weight with required weight is placed on a weight hanger, the counterweight weight enables a driving arm of a crank arm to have a downward movement trend away from an assembly hole end, a brake arm and the driving arm are fixed, the downward movement of the driving arm can cause a wire drawing shaft of the brake arm to be away from a wire passing hole, a brake is tensioned, the brake acts on a wire coil of a wound transformer, the rotation resistance of the wire coil is increased, the tension of the wire is correspondingly increased, and therefore the tensioning degree of the wire is ensured;
2. the transformer winding tensioning method provided by the invention is simple to operate, and the balance of the device is realized by adjusting the posture of the transformer winding tensioning method, so that the purpose of self-adjustment is achieved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the structure of an apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the top of the bracket of the preferred embodiment of the present invention in the configuration of the device;
fig. 3 is a schematic structural diagram of a crank arm in the structure of the device according to the preferred embodiment of the present invention.
In the figure: the device comprises a base 1, a support 11, a crank arm shaft 12, a wire inlet hole 13, a wire outlet hole 14, a wire passing hole 15, a steering hole 16, a crank arm 2, a driving arm 21, a brake arm 22, a rotating wheel 23, a suspended weight shaft 24, a wire pulling shaft 25, an assembling hole 26, a weight hanger 3, a counterweight 31, a lead 4 and a brake wire 5.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. In the description of the present application, it is to be understood that the terms "left side", "right side", "upper part", "lower part", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and that "first", "second", etc., do not represent an important degree of the component parts, and thus are not to be construed as limiting the present invention. The specific dimensions used in the present example are only for illustrating the technical solution and do not limit the scope of protection of the present invention.
In the prior art, the method for winding the transformer into the coil generally still depends on manual winding, which leads to low winding efficiency, and meanwhile, because the tension degree cannot be ensured, the uniformity of the winding also has great hidden trouble, so after a plurality of tests, the application provides a transformer winding tension method, the principle of which is based on is mainly that a weight hanger 3 is hung on a crank arm, and the adjustment of the tension force of the lead is realized by adjusting the balance weight of the weight hanger.
Before explaining the tensioning method provided by the application, a tensioning device based on the tensioning method needs to be introduced, as shown in fig. 1, the tensioning device mainly comprises a base 1, a support 11, a crank arm 2, a lead 4 and a brake cable 5, the support is arranged on the surface of the base, the crank arm is arranged at the top of the support, one end of the lead sequentially penetrates through a wire coil, the support and the crank arm to the winding end of a transformer, and one end of the brake cable sequentially penetrates through the crank arm and the support to the brake end; since it is important to adjust the balance weight of the weight 3 to meet the requirements, the crank arm is used as an intermediate linkage, and a preferred embodiment of the crank arm is provided in the present application, and as shown in fig. 3, the crank arm comprises a driving arm 21 and a braking arm 22, and one end of the driving arm is connected with one end of the braking arm; an assembly hole 26 is formed in a connecting part between one end of the driving arm and one end of the brake arm, a crank arm shaft 12 is arranged at the top of the support as shown in figure 2, the crank arm is fixed on the crank arm shaft through the assembly hole, and the crank arm can rotate around the crank arm shaft; therefore, the secondary crank arm is used as a middle linkage mechanism, the balance of the tension device can be realized through the adjustment of the posture of the secondary crank arm, and the purpose of self-adjustment is achieved.
A suspended weight shaft 24 penetrates through the other end of the driving arm, one end of the suspended weight shaft extends out of the driving arm, and a rotating wheel 23 is sleeved at one end of the suspended weight shaft extending out of the driving arm; the rotating wheel frame is arranged on a lead which passes through the rotating wheel frame, and the rotating wheel is driven to rotate in the moving process of the lead; the other end of the brake arm is penetrated with a pull wire shaft 25; a weight is suspended on the suspension weight shaft, and the descending direction of the weight faces to the base; a plurality of counterweight steelyards 31 are arranged on the steelyard.
In the above device, the bracket is crucial as a mounting part of the crank arm, and in the preferred embodiment, the top of the bracket is in a U-shaped structure, and two vertical arms of the U-shaped structure are parallel to the base at the same time; the transverse part of the U-shaped structure is provided with an extension frame; a bogie is arranged at the position of the bracket close to the base; a vertical arm close to the brake arm is provided with a wire inlet hole 13, the other vertical arm is provided with a wire outlet hole 14, the extension frame is provided with a wire passing hole 15, and the bogie is provided with a steering hole 16;
one end of the wire is sequentially penetrated through a wire coil, a wire inlet hole and a wire outlet hole to be connected with the transformer and is attached to the rotating wheel in the penetrating process; one end of the brake cable sequentially penetrates through the cable hole and the steering hole to be connected with the brake end, and the other end of the brake cable is connected to the cable pulling shaft; the change of the wire to the tension of the wire coil is reflected in whether the wire can support the gravity of the counterweight through the rotating wheel, so that the tensile degree of the brake cable is influenced immediately, the rotation of the wire coil is influenced, and the self-balancing adjustment of the whole device is realized.
In the process of balancing and adjusting the whole device, in order to improve the winding quality, some details are restricted, such as that the wire inlet hole and the wire outlet hole are positioned on the same horizontal line. The wire inlet hole, the wire outlet hole, the wire passing hole and the steering hole can be replaced by the steering wheel.
Next, the present application specifically provides a transformer winding tensioning method, which requires calibration before the device is used, except for a necessary installation process, the number of counterweight blocks hung on the blocks is adjusted to adjust the required wire tensioning force, in a normal tensioning force state, the active arm of the crank arm is located near the horizontal position, the wire between the wire inlet hole and the wire outlet hole is slightly bent downward due to the gravity of the counterweight blocks, and the wire pulling shaft on the brake arm is closer to the wire passing hole.
When the device is operated, the device comprises two conditions, when the tension force of a wire wound by a transformer is insufficient, the supporting force of the wire between a wire inlet hole and a wire outlet hole to a rotating wheel on a crank arm is reduced, the wire cannot support the gravity of a counterweight weight on the weight through the rotating wheel, the bending degree of the wire is increased, the position of the weight hanging end of a driving arm descends towards the direction of a base, a brake arm rotates around a crank arm shaft along with the driving arm (the crank arm rotates anticlockwise when seen from a visual angle in figure 1), the brake arm is far away from a wire passing hole, a brake wire is tightened, the brake resistance borne by the rotation of a wire coil is increased, the tension of the wire is reduced, the rotating speed of the wire coil is reduced, because the winding state of the transformer is continuous, the speed of the winding end of the transformer for pulling the wire is unchanged, the length of the wire between the wire inlet hole and the wire outlet hole is reduced, the bending degree of the wire between the wire inlet hole and the wire outlet hole is reduced, the tension of the wire is increased, and the supporting force of the wire on the crank arm rotating wheel and the tension of the lead on the crank arm reach balance again.
When the tension force of a wound wire of the transformer is too large, the bending degree of the wire between the wire inlet hole and the wire outlet hole is reduced, the wire between the wire inlet hole and the wire outlet hole provides an upward thrust force for a rotating wheel on a crank arm, the position of the rotating wheel rises, the rotating wheel drives a lead hanging end of a driving arm to rise, the brake arm rotates around a crank arm shaft along with the driving arm (the crank arm rotates clockwise when seen from a visual angle in fig. 1), the brake arm is closer to the wire outlet hole, the brake wire is loosened, the brake resistance borne by the rotation of the wire coil is reduced, the tension force of the wire is increased, the rotating speed of the wire coil is increased, the speed of the wire pulled by the winding end of the transformer is unchanged, the length of the wire between the wire inlet hole and the wire outlet hole is increased, the bending degree of the wire between the wire inlet hole and the wire outlet hole is increased, the tension force between the wires is reduced, the lead hanging end of the driving arm descends to the base direction, and then balance is achieved again.
In conclusion, the transformer winding tensioning method provided by the application adjusts the tensioning degree of a wound wire of a transformer by using the gravity of a counterweight on a weight hanger, the counterweight weight with required weight is placed on the weight hanger, the counterweight weight enables a driving arm of a crank arm to have a downward movement trend away from an assembly hole end, a brake arm and the driving arm are fixed, the downward movement of the driving arm can cause a wire pulling shaft of the brake arm to be away from a wire passing hole, a brake is tensioned, the brake acts on a wire coil of the wound wire of the transformer, the rotation resistance of the wire coil is increased, the tension of the wire is correspondingly increased, and therefore the tensioning degree of the wire is ensured; the tensioning method is simple to operate, does not need manual intervention, and is suitable for large-scale popularization.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A transformer winding tensioning method is characterized in that: the method specifically comprises the following steps:
step S1: the bracket (11) is arranged on the surface of the base (1), and the crank arm (2) is arranged at the top of the bracket (11);
step S2: one end of the lead (4) sequentially penetrates through a wire coil, a bracket (11) and a crank arm (2) to the winding end of the transformer, wherein when the lead (4) penetrates through the crank arm (2), a rotating wheel (23) on a driving arm (21) of the crank arm is erected on the lead (4);
step S3: one end of the brake cable (5) penetrates through the crank arm (2) and the bracket (11) to the brake end in sequence, wherein the other end of the brake cable (5) is fixed on the brake arm (22) of the crank arm (2);
step S4: the weight hanger (3) is suspended on the driving arm (21) of the crank arm (2), and the end part of the driving arm (21) provided with the weight hanger (3) is the end part provided with the rotating wheel (23);
step S5: a counterweight weight (31) is arranged on the weight hanger (3);
the required conductor tension force is obtained by adjusting the number of balance weight blocks (31) on the block hanger (3), in a state without balance weight, the active arm (21) of the crank arm (2) tends to be parallel to the surface of the base (1), the conductor (4) penetrating through the crank arm (2) is slightly bent towards the direction of the base (1), and the crank arm (2) has an obvious clockwise rotation tendency;
in the operation process of the device, when the tension force of the transformer for winding the wire (4) is small, the bending degree of the wire (4) close to the rotating wheel (23) is increased, the weight (3) descends towards the base (1), the crank arm (2) rotates anticlockwise, the brake cable (5) is tightened, the resistance of the brake to the wire coil is increased, the rotating speed of the wire coil is reduced, the wire (4) is continuously pulled by the winding end of the transformer, the bending degree of the wire (4) penetrating through the crank arm (2) is reduced at the moment, and the supporting force of the wire (4) to the rotating wheel (23) and the tension of the weight (3) to the crank arm (2) are balanced;
the device operation in-process, when the tensioning force of transformer coiling wire (4) is too big, wire (4) bending degree near runner (23) reduces, wire (4) provide runner (23) with base (1) opposite direction's thrust, crank arm (2) clockwise rotation, brake cable (5) are loosened, the resistance of brake to the drum reduces, the drum rotational speed increases, the wire winding end of transformer lasts pulling wire (4), wire (4) bending degree grow of wearing to establish crank arm (2) part this moment, wire (4) reach the equilibrium to the pulling force of crank arm (2) with stone roller hanging (3) to the holding power of runner (23).
2. The transformer winding tensioning method according to claim 1, wherein: one end of an active arm (21) of the crank arm (2) is connected with one end of a brake arm (22);
a connecting part of one end of the driving arm (21) and one end of the brake arm (22) is provided with an assembling hole (26), the top of the bracket (11) is provided with a crank arm shaft (12), the crank arm (2) is fixed on the crank arm shaft (12) through the assembling hole (26), and the crank arm (2) can rotate around the crank arm shaft (12).
3. The transformer winding tensioning method according to claim 2, wherein: the other end of the active arm (21) is provided with a suspended weight shaft (24), the suspended weight shaft (24) extends out of the active arm (21), and the extended end part is sleeved with a rotating wheel (23).
4. The transformer winding tensioning method according to claim 3, wherein: the other end of the brake arm (22) penetrates through the pull wire shaft (25), and the other end of the brake wire (5) is fixed on the pull wire shaft (25).
5. The transformer winding tensioning method according to claim 4, wherein: the top of the bracket (11) is of a U-shaped structure, and two vertical arms of the U-shaped structure are parallel to the base (1) at the same time; the transverse part of the U-shaped structure is provided with an extension frame; the position of the bracket (11) close to the base (1) is provided with a bogie.
6. The transformer winding tensioning method according to claim 5, wherein: a vertical arm close to the brake arm (22) is provided with a wire inlet hole (13), the other vertical arm is provided with a wire outlet hole (14), the extension frame is provided with a wire passing hole (15), and the bogie is provided with a steering hole (16);
one end of the lead (4) is sequentially connected with the transformer through a wire coil, a wire inlet hole (13) and a wire outlet hole (14) in a penetrating way and is attached to the rotating wheel (23) in the penetrating process;
one end of the brake cable (5) sequentially penetrates through the cable hole (15) and the steering hole (16) to be connected with the brake end, and the other end of the brake cable (5) is connected to the cable pulling shaft (25).
7. The transformer winding tensioning method according to claim 6, wherein: in step S5, when the lead wire (4) passing through the crank arm (2) is slightly bent toward the base (1), the distance between the wire pulling shaft (25) and the wire passing hole (15) is small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202582.8A CN113963938A (en) | 2021-10-15 | 2021-10-15 | Transformer winding tensioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202582.8A CN113963938A (en) | 2021-10-15 | 2021-10-15 | Transformer winding tensioning method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113963938A true CN113963938A (en) | 2022-01-21 |
Family
ID=79463944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111202582.8A Withdrawn CN113963938A (en) | 2021-10-15 | 2021-10-15 | Transformer winding tensioning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113963938A (en) |
-
2021
- 2021-10-15 CN CN202111202582.8A patent/CN113963938A/en not_active Withdrawn
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Application publication date: 20220121 |
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| WW01 | Invention patent application withdrawn after publication |