CN110797820A - Manufacturing method of isolated-phase enclosed bus conductor holding tile - Google Patents
Manufacturing method of isolated-phase enclosed bus conductor holding tile Download PDFInfo
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- CN110797820A CN110797820A CN201911012158.XA CN201911012158A CN110797820A CN 110797820 A CN110797820 A CN 110797820A CN 201911012158 A CN201911012158 A CN 201911012158A CN 110797820 A CN110797820 A CN 110797820A
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- Prior art keywords
- isolated
- tile
- phase
- bus conductor
- enclosed bus
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the technical field of mechanical structures of electrical equipment, and discloses a manufacturing method of an isolated-phase enclosed bus conductor tile, which comprises the following steps: calculating the blanking size: calculating the unfolding length of the isolated-phase enclosed bus conductor holding tile according to the specification of the isolated-phase enclosed bus conductor holding tile; breaking the opening: performing 30-degree crevasse in the same single-sided direction on both sides in the width W direction of the phase-isolated closed bus conductor imbricating, and reserving the thickness t2 at the bottom of the plate; pressing a semicircle: performing a pre-test, adjusting a mould, then putting the conductor tile-holding plate material with the crevasse surface facing downwards into a lower mould, and pressing; pre-installation and validation: performing burr treatment after demoulding the press-formed semicircular isolated phase enclosed bus conductor holding tile, then combining the isolated phase enclosed bus conductors with the same specification, and visually inspecting and measuring and checking gaps; polishing anti-oxidation treatment: and finally, packaging. The phase-isolated enclosed bus conductor tile-sticking method provided by the invention has the advantages of high production efficiency, simplicity in operation and obvious increase of primary qualified rate.
Description
Technical Field
The invention relates to the technical field of mechanical structures of electrical equipment, in particular to a manufacturing method of an isolated-phase enclosed bus conductor tile.
Background
The conductor holding tile is composed of two symmetrical semi-circular tube bodies, is a connecting piece for performing combined welding on each section of bus conductor when a power plant is installed with an isolated phase closed bus, and is one of key parts for outputting electric energy of the power plant. At present, the large specification is manufactured by a rolling method, the small specification is manufactured by a hammering forming method, but the manufacturing efficiency is low, and the one-time qualification rate is low. If the conductor is not regular, the concentricity is poor when the bus conductor is connected on site, the fit clearance is not uniform after combination, the air holes are more after welding, the surface forming is poor, and the heating problem can occur at the connection position of the tile in the operation process, so that the potential safety hazard is caused.
Disclosure of Invention
The invention provides a manufacturing method of an isolated-phase closed bus conductor tile in order to make up for the defects of the prior art.
The invention is realized by the following technical scheme: a manufacturing method of an isolated phase enclosed bus conductor tile comprises the following steps:
(1) calculating the blanking size: calculating the expansion length of the isolated-phase enclosed bus conductor holding tile A according to a calculation formula according to the specification of the isolated-phase enclosed bus conductor holding tile A;
(2) blanking: sawing and blanking are carried out according to the numerical value calculated in the step (1), plates of an isolated phase enclosed bus conductor tile A and an isolated phase enclosed bus conductor tile B with the same specification are prepared, and the diagonal error of the plates of the isolated phase enclosed bus conductor tile A and the isolated phase enclosed bus conductor tile B is less than or equal to 1 mm;
(3) breaking the opening: performing 30-degree crevasse on the width W direction of the plate materials of the isolated phase closed bus conductor holding tile A and the isolated phase closed bus conductor holding tile B in the same single-sided direction, reserving the thickness t2 of the crevasse at the bottom of the plate materials, and polishing all burrs;
(4) pressing a semicircle: assembling a corresponding pressing mold on hydraulic equipment according to the specification of an isolated phase enclosed bus conductor tile-hanging A plate material, and testing by using the plate material with the same material and thickness to adjust the mold; respectively placing the plate materials of the isolated phase enclosed bus conductor holding tile A and the isolated phase enclosed bus conductor holding tile B into a lower die with the crevasse surfaces facing downwards, performing hydraulic pressing, maintaining the pressure after the pressing is in place, and then performing a demoulding process;
(5) pre-installation and validation: respectively demoulding the semi-circular phase-isolated enclosed bus conductor tile A and the phase-isolated enclosed bus conductor tile B which are formed by pressing, then carrying out burr treatment, then combining the phase-isolated enclosed bus conductor tile A and the phase-isolated enclosed bus conductor tile B between the corresponding phase-isolated enclosed bus conductor A1 and the phase-isolated enclosed bus conductor A2 with the same specification, and visually inspecting and measuring the reserved thickness surface clearance at the broken opening of the phase-isolated enclosed bus conductor tile A and the phase-isolated enclosed bus conductor tile B and the matching clearance between the inner arc surface of the phase-isolated enclosed bus conductor tile A and the outer diameter arc surface of the phase-isolated enclosed bus conductor tile B;
(6) polishing anti-oxidation treatment: grinding and polishing the inner arc surface and the two end surfaces of the semi-circle of the phase-isolated enclosed bus conductor tile A and the phase-isolated enclosed bus conductor tile B which are qualified in inspection to meet the requirement of no oxidation on the surfaces;
(7) packaging: wrapping the isolated phase enclosed bus conductor tile A and the isolated phase enclosed bus conductor tile B on the surface of the non-oxidation layer with soft paper, wrapping with a plastic film tape, performing oxygen-isolation moisture-proof treatment, and boxing for later use.
Further, the calculation formula of step (1) is:
the diameter of the conductor A1 of the isolated phase closed bus section is D, the thickness of the conductor A1 of the isolated phase closed bus section is t, the semi-circle expansion length of the encirclement tile A of the isolated phase closed bus conductor is L, the thickness of the encirclement tile A of the isolated phase closed bus conductor is t1, the outer radius of the encirclement tile A of the isolated phase closed bus conductor is R, the inner radius of the encirclement tile A of the isolated phase closed bus conductor is R, t = t1 and t = R-R.
Further, the thickness of the plate material A of the isolated-phase enclosed bus conductor tile A in the step (3) is 10-12mm, and the reserved thickness t2 of the crevasse is 2 mm.
Further, the thickness of the plate material A of the isolated-phase enclosed bus conductor tile A in the step (3) is 15-16mm, and the reserved thickness t2 of the crevasse is 3mm.
Further, the pressure maintaining time in the step (4) is 1 min.
Further, the gap between the reserved thickness surfaces at the broken openings of the isolated-phase enclosed bus conductor holding tile A and the isolated-phase enclosed bus conductor holding tile B in the step (5) is 0-1 mm.
Further, in the step (5), the fit clearance between the inner arc surfaces of the isolated phase enclosed bus conductor holding tile A and the isolated phase enclosed bus conductor holding tile B and the outer diameter arc surface of the isolated phase enclosed bus conductor is 0-0.2 mm.
Compared with the prior art, the invention has the advantages that: the phase-isolated enclosed bus conductor tile-sticking production method provided by the invention has the advantages of high production efficiency, simplicity in operation and obvious increase of primary qualified rate; the method solves the problems that the concentricity is poor when the bus conductor is connected on site due to unqualified conductor tile holding, the fit clearance is not uniform after combination, the number of air holes is large after welding, and the surface molding is poor, and reduces the potential safety hazard caused by the problem that the tile holding joint is likely to generate heat in the operation process due to unqualified conductor tile holding.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the field assembly of the phase isolated busbar conductor tile holding of the present invention;
FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 3 is a schematic view of a split opening of an isolated phase bus conductor;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
in the figure, 1 is an isolated phase enclosed bus conductor tile A, 2, a isolated phase enclosed bus conductor tile B, 3, an isolated phase enclosed bus section conductor A1, 4, an isolated phase enclosed bus section conductor A2, 5, an isolated phase enclosed bus section casing A1, 6 and an isolated phase enclosed bus section casing A2.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-4, the present invention provides a method for manufacturing an isolated phase enclosed bus conductor tile, wherein an isolated phase enclosed bus conductor tile a 13 and an isolated phase enclosed bus conductor a 24 are connected by an isolated phase enclosed bus conductor tile A1 and an isolated phase enclosed bus conductor tile B2, the isolated phase enclosed bus conductor tile A1 and the isolated phase enclosed bus conductor tile B2 are semi-circular structures with the same specification, and surround the surfaces of an isolated phase enclosed bus conductor a 13 and an isolated phase enclosed bus conductor a 24, and the isolated phase enclosed bus conductor a 13 and the isolated phase enclosed bus conductor a 24 are respectively sleeved in an isolated phase enclosed bus section casing a 15 and an isolated phase enclosed bus section casing a 26.
A manufacturing method of an isolated phase enclosed bus conductor tile comprises the following steps:
(1) calculating the blanking size: calculating the expansion length of the isolated-phase enclosed bus conductor holding tile A according to a calculation formula according to the specification of the isolated-phase enclosed bus conductor holding tile A;
(2) blanking: sawing and blanking are carried out according to the numerical value calculated in the step (1), plates of an isolated phase enclosed bus conductor tile A and an isolated phase enclosed bus conductor tile B with the same specification are prepared, and the diagonal error of the plates of the isolated phase enclosed bus conductor tile A and the isolated phase enclosed bus conductor tile B is less than or equal to 1 mm;
(3) breaking the opening: performing 30-degree crevasse on the width W direction of the plate materials of the isolated phase closed bus conductor holding tile A and the isolated phase closed bus conductor holding tile B in the same single-sided direction, reserving the thickness t2 of the crevasse at the bottom of the plate materials, and polishing all burrs; when the thickness of the plate material A of the isolated phase enclosed bus conductor imbricate is 10-12mm, the reserved thickness t2 of the crevasse is 2 mm; the thickness of a plate material A of the isolated phase enclosed bus conductor tile is 15-16mm, and the reserved thickness t2 of the crevasse is 3 mm;
(4) pressing a semicircle: assembling a corresponding pressing mold on hydraulic equipment according to the specification of an isolated phase enclosed bus conductor tile-hanging A plate material, and testing by using the plate material with the same material and thickness to adjust the mold; respectively placing the plate materials of the isolated phase enclosed bus conductor holding tile A and the isolated phase enclosed bus conductor holding tile B into a lower die with the crevasse surfaces facing downwards, performing hydraulic pressing, and performing a demoulding process after the pressing is in place, namely maintaining the pressure for 1min after the pressing is finished, so as to prevent the rebound deformation caused by the stress action;
(5) pre-installation and validation: the semi-circular isolated phase enclosed bus conductor tile A and the isolated phase enclosed bus conductor tile B which are formed by pressing are demoulded respectively and then subjected to burr treatment, in the embodiment, angle grinding abrasive belt wheels are adopted to treat burrs, then the isolated phase enclosed bus conductor tile A and the isolated phase enclosed bus conductor tile B are combined between the corresponding isolated phase enclosed bus conductor A1 and the isolated phase enclosed bus conductor A2 with the same specification, visual inspection and measurement inspection are carried out, the reserved thickness surface gap at the broken part of the isolated phase enclosed bus conductor tile A and the isolated phase enclosed bus conductor tile B is ensured to be within 0-1mm, the matching gap between the inner arc surface of the isolated phase enclosed bus conductor tile A and the isolated phase enclosed bus conductor tile B and the outer diameter arc surface of the isolated phase enclosed bus conductor is ensured to be within 0-0.2mm, and the measuring tool is a feeler.
(6) Polishing anti-oxidation treatment: carrying out grinding and polishing treatment on an inner arc surface and two semi-circumference end surfaces of an isolated phase enclosed bus conductor tile A and an isolated phase enclosed bus conductor tile B which are qualified through inspection by using a pneumatic grinding and polishing machine to meet the requirement of no oxidation on the surface, wherein if an oxide film is formed on the isolated phase enclosed bus conductor tile in the grinding process, air holes are generated during welding;
(7) packaging: wrapping the isolated phase enclosed bus conductor tile A and the isolated phase enclosed bus conductor tile B on the surface of the non-oxidation layer with soft paper, wrapping with a plastic film tape, performing oxygen-isolation moisture-proof treatment, and boxing for later use.
The above embodiment must follow the following calculation:
the diameter of the conductor A1 of the isolated phase closed bus section is D, the thickness of the conductor A1 of the isolated phase closed bus section is t, the semi-circle expansion length of the tile A of the isolated phase closed bus conductor is L, the thickness of the tile A of the isolated phase closed bus conductor is t1, the outer radius of the tile A of the isolated phase closed bus conductor is R, the inner radius of the tile A of the isolated phase closed bus conductor is R, t = t1, and t = R-R.
The dimensions of a typical phase isolated busbar conductor (aluminum plate 1060) are as follows:
Claims (6)
1. a manufacturing method of an isolated phase enclosed bus conductor tile is characterized by comprising the following steps: the method comprises the following steps:
(1) calculating the blanking size: calculating the expansion length of the isolated-phase enclosed bus conductor holding tile A according to a calculation formula according to the specification of the isolated-phase enclosed bus conductor holding tile A;
(2) blanking: sawing and blanking are carried out according to the numerical value calculated in the step (1), plates of an isolated phase enclosed bus conductor tile A and an isolated phase enclosed bus conductor tile B with the same specification are prepared, and the diagonal error of the plates of the isolated phase enclosed bus conductor tile A and the isolated phase enclosed bus conductor tile B is less than or equal to 1 mm;
(3) breaking the opening: performing 30-degree crevasse on the width W direction of the plate materials of the isolated phase closed bus conductor holding tile A and the isolated phase closed bus conductor holding tile B in the same single-sided direction, reserving the thickness t2 of the crevasse at the bottom of the plate materials, and polishing all burrs;
(4) pressing a semicircle: assembling a corresponding pressing mold on hydraulic equipment according to the specification of an isolated phase enclosed bus conductor tile-hanging A plate material, and testing by using the plate material with the same material and thickness to adjust the mold; respectively placing the plate materials of the isolated phase enclosed bus conductor holding tile A and the isolated phase enclosed bus conductor holding tile B into a lower die with the crevasse surfaces facing downwards, performing hydraulic pressing, maintaining the pressure after the pressing is in place, and then performing a demoulding process;
(5) pre-installation and validation: respectively demoulding the semi-circular phase-isolated enclosed bus conductor tile A and the phase-isolated enclosed bus conductor tile B which are formed by pressing, then carrying out burr treatment, then combining the phase-isolated enclosed bus conductor tile A and the phase-isolated enclosed bus conductor tile B between the corresponding phase-isolated enclosed bus conductor A1 and the phase-isolated enclosed bus conductor A2 with the same specification, and visually inspecting and measuring the reserved thickness surface clearance at the broken opening of the phase-isolated enclosed bus conductor tile A and the phase-isolated enclosed bus conductor tile B and the matching clearance between the inner arc surface of the phase-isolated enclosed bus conductor tile A and the outer diameter arc surface of the phase-isolated enclosed bus conductor tile B;
(6) polishing anti-oxidation treatment: grinding and polishing the inner arc surface and the two end surfaces of the semi-circle of the phase-isolated enclosed bus conductor tile A and the phase-isolated enclosed bus conductor tile B which are qualified in inspection to meet the requirement of no oxidation on the surfaces;
(7) packaging: wrapping the isolated phase enclosed bus conductor tile A and the isolated phase enclosed bus conductor tile B on the surface of the non-oxidation layer with soft paper, wrapping with a plastic film tape, performing oxygen-isolation moisture-proof treatment, and boxing for later use.
2. The manufacturing method of the isolated-phase enclosed busbar conductor tile according to claim 1, wherein the method comprises the following steps: the calculation formula of the step (1) is
The diameter of the conductor A1 of the isolated phase closed bus section is D, the thickness of the conductor A1 of the isolated phase closed bus section is t, the semi-circle expansion length of the encirclement tile A of the isolated phase closed bus conductor is L, the thickness of the encirclement tile A of the isolated phase closed bus conductor is t1, the outer radius of the encirclement tile A of the isolated phase closed bus conductor is R, the inner radius of the encirclement tile A of the isolated phase closed bus conductor is R, t = t1 and t = R-R.
3. The manufacturing method of the isolated-phase enclosed busbar conductor tile according to claim 1, wherein the method comprises the following steps: in the step (3), the thickness of the plate material A of the isolated phase enclosed busbar conductor imbricate is 10-12mm, and the reserved thickness t2 of the crevasse is 2 mm.
4. The manufacturing method of the isolated-phase enclosed busbar conductor tile according to claim 1, wherein the method comprises the following steps: in the step (3), the thickness of the plate material A of the isolated phase enclosed busbar conductor imbricate is 15-16mm, and the reserved thickness t2 of the crevasse is 3mm
The manufacturing method of the isolated-phase enclosed busbar conductor tile according to claim 1, wherein the method comprises the following steps: and (4) keeping the pressure for 1 min.
5. The manufacturing method of the isolated-phase enclosed busbar conductor tile according to claim 1, wherein the method comprises the following steps: and (5) a gap between the reserved thickness surfaces at the broken openings of the isolated-phase enclosed bus conductor holding tile A and the isolated-phase enclosed bus conductor holding tile B is 0-1 mm.
6. The manufacturing method of the isolated-phase enclosed busbar conductor tile according to claim 1, wherein the method comprises the following steps: and (5) the fit clearance between the inner arc surfaces of the isolated phase enclosed bus conductor holding tile A and the isolated phase enclosed bus conductor holding tile B and the outer diameter arc surface of the isolated phase enclosed bus conductor is 0-0.2 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911012158.XA CN110797820B (en) | 2019-10-23 | 2019-10-23 | Manufacturing method of isolated-phase enclosed bus conductor holding tile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911012158.XA CN110797820B (en) | 2019-10-23 | 2019-10-23 | Manufacturing method of isolated-phase enclosed bus conductor holding tile |
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| CN110797820A true CN110797820A (en) | 2020-02-14 |
| CN110797820B CN110797820B (en) | 2021-06-11 |
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| US4142162A (en) * | 1978-01-03 | 1979-02-27 | Gte Automatic Electric Laboratories, Inc. | Low-distortion double sideband suppressed carrier monolithic modulator |
| JPH1014063A (en) * | 1996-06-26 | 1998-01-16 | Showa Electric Wire & Cable Co Ltd | Inter-panel connecting bus system |
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| CN110797820B (en) | 2021-06-11 |
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Denomination of invention: A kind of manufacturing method of isolated-phase closed busbar conductor holding tile Effective date of registration: 20220919 Granted publication date: 20210611 Pledgee: Weihai City Commercial Bank Co.,Ltd. Heze Branch Pledgor: SHANDONG ALFADACHI ELECTRIC Co.,Ltd. Registration number: Y2022980015662 |