CN114388254A - Step-by-step and step-by-step compaction method for three-phase reactor core limb - Google Patents
Step-by-step and step-by-step compaction method for three-phase reactor core limb Download PDFInfo
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- CN114388254A CN114388254A CN202111590853.1A CN202111590853A CN114388254A CN 114388254 A CN114388254 A CN 114388254A CN 202111590853 A CN202111590853 A CN 202111590853A CN 114388254 A CN114388254 A CN 114388254A
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention belongs to the field of reactor manufacturing processes, and particularly relates to a step-by-step and step-by-step compacting method for an iron core column of a three-phase reactor, which comprises the following steps; s1: firstly, products of an iron core column body, an iron core column compression screw, a locking nut, a hydraulic oil cylinder, a compression beam, a tooling bolt and an upper iron yoke are subjected to comprehensive quality detection, and the products are used after the product quality meets the requirements; s2: firstly, placing a three-phase hydraulic oil cylinder and a pressing beam, and screwing a tool bolt into a threaded hole of an iron core column compression screw; the pressure increase value is controlled to be not more than 0.2F each time by a step-by-step and step-by-step pressurizing method. And the A, C-phase hydraulic device is started simultaneously after the phase B is pressed in place each time, and the pressure is stopped after the phase B is pressed to be consistent with the phase B, so that the three-column pressure is balanced, the effect of reliably pressing the iron core column body is achieved, and the damping effect of the iron core column body is improved.
Description
Technical Field
The invention relates to the field of reactor manufacturing processes, in particular to a step-by-step and step-by-step compacting method for an iron core column of a three-phase reactor.
Background
The three-phase parallel reactor core sheet is required to be punched and sheared by a high-speed punch during production, so that the three-phase parallel reactor core sheet has the characteristics of small burrs, regular and uniform structure, neat and attractive lamination, low operation temperature rise, low noise and the like.
The iron core of the reactor vibrates greatly during operation, so that the overall sound level and vibration level of a product are high, and therefore, a step-by-step and step-by-step compacting method for the iron core column of the three-phase reactor is provided for solving the problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problem that the integral sound level and the vibration level of a product are higher due to larger iron core vibration when the reactor operates, the invention provides a step-by-step and step-by-step compression method for an iron core column of a three-phase reactor.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a method for compacting a three-phase reactor core limb step by step, which comprises the following steps;
s1: firstly, products of an iron core column body, an iron core column compression screw, a locking nut, a hydraulic oil cylinder, a compression beam, a tooling bolt and an upper iron yoke are subjected to comprehensive quality detection, and the products are used after the product quality meets the requirements;
s2: firstly, placing a three-phase hydraulic oil cylinder and a pressing beam, and screwing a tool bolt into a threaded hole of a compression screw of a core column body;
s3: starting a hydraulic oil cylinder, pressing an iron yoke downwards by using the reaction force of the pressing beam on the upper iron yoke after the hydraulic oil cylinder props against the pressing beam, and pressing an iron core column body at the lower part of the upper iron yoke;
s4: setting the final pressing force of a single iron core column body as F, starting a B-phase hydraulic device, pressing the B-phase iron core column body by using the pressing force of 0.2F, and starting the A, C-phase hydraulic device after the B-phase is pressed to 0.2F, wherein the pressing force is consistent with that of the B-phase;
s5: the hydraulic system is not decompressed, the pressure is kept at 0.2F, the B-phase hydraulic device is started to 0.4F again, and then the A, C-phase hydraulic device is started to 0.4F;
s6: analogizing in sequence according to the above requirements, starting the B-phase hydraulic device every time, and not pressing to the rated pressure F once, controlling the pressure increase value at no more than 0.2F every time, starting the A, C-phase hydraulic device at the same time after the B-phase is pressed in place every time, stopping pressing until the pressure is consistent with the value of the B-phase, and keeping the three-column pressure in balance at the moment;
s7: after the pressurization operation is finished, the values of L1, L2 and L3 are measured respectively, and the control requirements are as follows: is Max { (L1-L2), (L2-L3), (L1-L3) } ∈ [ -1mm, 1mm ].
The sequence of pressurization and control pressure are shown in table 1, and the overall compaction scheme is shown in figure 2. And after the pressurizing process is completed according to the requirements, simultaneously locking the nut at the top of the pull rod to complete the compressing operation.
Preferably, the products of the iron core column body, the iron core column compression screw, the locking nut, the hydraulic oil cylinder, the pressing beam, the tooling bolt and the upper iron yoke in the S1 are subjected to comprehensive quality detection, whether the model, the hardness, the sealing performance and the product of the product have defects or not needs to be detected, and the products of the iron core column body, the iron core column compression screw, the locking nut, the hydraulic oil cylinder, the pressing beam, the tooling bolt and the upper iron yoke are subjected to comprehensive quality detection so as to ensure the quality of the three-phase reactor.
Preferably, in the step S2, after the hydraulic oil cylinder and the pressure beam are placed, the hydraulic oil cylinder and the pressure beam need to be manually held, and after the hydraulic oil cylinder and the pressure beam are held, the tool bolt is used again, so that the situation that the hydraulic oil cylinder and the pressure beam are displaced can be avoided.
Preferably, before the hydraulic oil cylinder is used, the hydraulic oil cylinder needs to be lubricated firstly so as to reduce abrasion generated when the hydraulic oil cylinder is used, and the service life of the hydraulic oil cylinder is prolonged through the lubrication of the hydraulic oil cylinder.
Preferably, in S3, before the hydraulic cylinder is used to prop against the pressure beam, a worker should be away from the vicinity, and the worker is warned that people around the worker are prohibited from approaching the pressure beam.
Preferably, after the tool bolt is screwed into the threaded hole of the compression screw of the core limb body in the step S2, the tool bolt needs to be checked, whether the tool bolt is loosened or not is observed, and the fixing effect of the tool bolt can be improved by observing whether the tool bolt is loosened or not.
Preferably, a rubber pad is placed at the bottom of the pressing beam, and when the pressing beam presses the iron yoke downwards, the rubber pad can protect the pressing beam and the upper iron yoke.
Preferably, when the hydraulic oil cylinder is used, the hydraulic oil cylinder is required to be kept in a non-pressure relief state all the time so as to ensure the hydraulic effect of the hydraulic oil cylinder.
The invention has the advantages that:
1. the pressure increase value is controlled to be not more than 0.2F each time by a step-by-step and step-by-step pressurizing method. And the A, C-phase hydraulic device is started after the phase B is pressed in place each time, and the pressure is stopped after the phase B is pressed to be consistent with the phase B, so that the three-column pressure is balanced, the effect of reliably pressing the center column is achieved, and the damping effect of the iron core is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a flow chart of a method of the present invention;
fig. 2 is a schematic structural view of the core leg.
In the figure: 1. a core limb body; 2. the iron core column compresses the screw rod; 3. locking the nut; 4. a hydraulic cylinder; 5. pressing the beam; 6. tooling bolts; 7. and an upper iron yoke.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a three-phase reactor core limb step-by-step and stepwise compacting method comprises the following steps;
s1: firstly, products of an iron core column body 1, an iron core column compression screw 2, a locking nut 3, a hydraulic oil cylinder 4, a pressing beam 5, a tooling bolt 6 and an upper iron yoke 7 are subjected to comprehensive quality detection, and the products are used after the product quality meets the requirements;
s2: firstly, placing a three-phase hydraulic oil cylinder 4 and a pressing beam 5, and then screwing a tool bolt 6 into a threaded hole of a pressing screw rod of the core limb body 1;
s3: starting a hydraulic oil cylinder 4, pressing an iron yoke 7 downwards by using the reaction force of the pressing beam 5 on the upper iron yoke 7 after the hydraulic oil cylinder 4 props against the pressing beam 5, and pressing an iron core column body 1 at the lower part of the upper iron yoke 7;
s4: setting the final pressing force of a single iron core column body 1 as F, starting a B-phase hydraulic device, pressing the B-phase iron core column 1 by using the pressing force of 0.2F, starting the A, C-phase hydraulic device after the B-phase is pressed to 0.2F, and keeping the pressing force consistent with the B-phase;
s5: the hydraulic system is not decompressed, the pressure is kept at 0.2F, the B-phase hydraulic device is started to 0.4F again, and then the A, C-phase hydraulic device is started to 0.4F;
s6: analogizing in sequence according to the above requirements, starting the B-phase hydraulic device every time, and not pressing to the rated pressure F once, controlling the pressure increase value at no more than 0.2F every time, starting the A, C-phase hydraulic device at the same time after the B-phase is pressed in place every time, stopping pressing until the pressure is consistent with the value of the B-phase, and keeping the three-column pressure in balance at the moment;
s7: after the pressurization operation is finished, the values of L1, L2 and L3 are measured respectively, and the control requirements are as follows: is Max { (L1-L2), (L2-L3), (L1-L3) } ∈ [ -1mm, 1mm ].
And in the S1, products of the iron leg body 1, the iron leg hold-down screw 2, the lock nut 3, the hydraulic oil cylinder 4, the press beam 5, the tooling bolt 6 and the upper iron yoke 7 are subjected to comprehensive quality detection, whether the model, the hardness, the sealing performance and the product of the product have defects or not is required to be detected, and the products of the iron leg body 1, the iron leg hold-down screw 2, the lock nut 3, the hydraulic oil cylinder 4, the press beam 5, the tooling bolt 6 and the upper iron yoke 7 are subjected to comprehensive quality detection to ensure the quality of the three-phase reactor.
In the S2, after the hydraulic oil cylinder 4 and the pressing beam 5 are placed, the hydraulic oil cylinder 4 and the pressing beam 5 need to be manually held, and the hydraulic oil cylinder 4 and the pressing beam 5 are held and then are used by the tool bolt 6, so that the situation that the hydraulic oil cylinder 4 and the pressing beam 5 are shifted can be avoided.
Before the hydraulic oil cylinder 4 is used, the hydraulic oil cylinder 4 needs to be lubricated firstly so as to reduce the abrasion generated when the hydraulic oil cylinder 4 is used, and the service life of the hydraulic oil cylinder 4 is prolonged through the lubrication of the hydraulic oil cylinder 4.
In S3, before the hydraulic oil cylinder 4 is used for propping the pressure beam 5, a worker is far away from the vicinity, and the worker is warned that people around the worker are forbidden to approach the pressure beam, so that the worker is prevented from being damaged by accidents when the hydraulic oil cylinder 4 props the pressure beam 5.
In S2, after the tool bolt 6 is screwed into the threaded hole of the compression screw of the core limb body 1, the tool bolt 6 needs to be checked, whether the tool bolt 6 is loosened or not is observed, and the fixing effect of the tool bolt 6 can be improved by observing whether the tool bolt 6 is loosened or not.
The rubber pad is placed at the bottom of the pressing beam 5, and when the pressing beam 5 presses the upper iron yoke 7, the rubber pad can protect the pressing beam 5 and the upper iron yoke 7.
When the hydraulic oil cylinder 4 is used, the state of no pressure relief is required to be kept all the time so as to ensure the hydraulic effect of the hydraulic oil cylinder 4.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. The step-by-step and step-by-step compaction method for the three-phase reactor core limb is characterized in that: the method comprises the following steps;
s1: firstly, products of an iron core column body (1), an iron core column compression screw (2), a locking nut (3), a hydraulic oil cylinder (4), a pressing beam (5), a tooling bolt (6) and an upper iron yoke (7) are subjected to comprehensive quality detection, and the products are used after the product quality meets the requirements;
s2: firstly, placing a three-phase hydraulic oil cylinder (4) and a pressing beam (5), and then screwing a tool bolt (6) into a threaded hole of a pressing screw rod of the iron core column body (1);
s3: starting a hydraulic oil cylinder (4), pressing an upper iron yoke (7) downwards by utilizing the reaction force of the pressing beam (5) to the upper iron yoke (7) after the hydraulic oil cylinder (4) props against the pressing beam (5), and further pressing an iron core column body (1) at the lower part of the upper iron yoke (7);
s4: setting the final pressing force of a single iron core column body (1) as F, starting a B-phase hydraulic device, pressing the B-phase iron core column body (1) by using the pressing force of 0.2F, starting the A, C-phase hydraulic device after the B-phase is pressed to 0.2F, and keeping the pressing force consistent with the B-phase;
s5: the hydraulic system is not decompressed, the pressure is kept at 0.2F, the B-phase hydraulic device is started to 0.4F again, and then the A, C-phase hydraulic device is started to 0.4F;
s6: analogizing in sequence according to the above requirements, starting the B-phase hydraulic device every time, and not pressing to the rated pressure F once, controlling the pressure increase value at no more than 0.2F every time, starting the A, C-phase hydraulic device at the same time after the B-phase is pressed in place every time, stopping pressing until the pressure is consistent with the value of the B-phase, and keeping the three-column pressure in balance at the moment;
s7: after the pressurization operation is finished, the values of L1, L2 and L3 are measured respectively, and the control requirements are as follows: is Max { (L1-L2), (L2-L3), (L1-L3) } ∈ [ -1mm, 1mm ].
2. The step-by-step and step-by-step compaction method of the three-phase reactor core limb according to claim 1, characterized in that: and in the S1, products of the iron core column body (1), the iron core column compression screw (2), the locking nut (3), the hydraulic oil cylinder (4), the pressing beam (5), the tooling bolt (6) and the upper iron yoke (7) are subjected to comprehensive quality detection, and the type, the model, the hardness, the sealing property and whether the products have defects or not are detected.
3. The step-by-step and step-by-step compaction method of the three-phase reactor core limb according to claim 1, characterized in that: in the step S2, after the hydraulic oil cylinder (4) and the pressure beam (5) are placed, the hydraulic oil cylinder (4) and the pressure beam (5) need to be manually supported.
4. The step-by-step and step-by-step compaction method of the three-phase reactor core limb according to claim 1, characterized in that: before the hydraulic oil cylinder (4) is used, the hydraulic oil cylinder (4) needs to be lubricated firstly, so that the abrasion of the hydraulic oil cylinder (4) in use is reduced.
5. The step-by-step and step-by-step compaction method of the three-phase reactor core limb according to claim 1, characterized in that: in the step S3, before the hydraulic cylinder (4) is used to press the pressing beam (5), the worker should be far away from the vicinity and the surrounding people are warned to prohibit approaching.
6. The step-by-step and step-by-step compaction method of the three-phase reactor core limb according to claim 1, characterized in that: and in the S2, after the tool bolt (6) is screwed into the threaded hole of the compression screw of the core limb body (1), the tool bolt (6) needs to be checked, and whether the tool bolt (6) is loosened or not is observed.
7. The step-by-step and step-by-step compaction method of the three-phase reactor core limb according to claim 1, characterized in that: a rubber pad is placed at the bottom of the pressing beam (5), and when the pressing beam (5) presses the upper iron yoke (7) downwards, the rubber pad can protect the pressing beam (5) and the upper iron yoke (7).
8. The step-by-step and step-by-step compaction method of the three-phase reactor core limb according to claim 1, characterized in that: when the hydraulic oil cylinder (4) is used, the hydraulic oil cylinder (4) is required to be kept in a non-pressure relief state all the time so as to ensure the hydraulic effect of the hydraulic oil cylinder (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111590853.1A CN114388254B (en) | 2021-12-23 | 2021-12-23 | Step-by-step and step-by-step compaction method for iron core column of three-phase reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111590853.1A CN114388254B (en) | 2021-12-23 | 2021-12-23 | Step-by-step and step-by-step compaction method for iron core column of three-phase reactor |
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| CN114388254A true CN114388254A (en) | 2022-04-22 |
| CN114388254B CN114388254B (en) | 2023-08-29 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205050675U (en) * | 2015-09-25 | 2016-02-24 | 佛山市万瀚隆磁电科技有限公司 | Three -phase reactor that ribbon line wound immediately |
| CN205230805U (en) * | 2015-12-28 | 2016-05-11 | 保定天威保变电气股份有限公司 | Three -phase parallel reactor pressure equipment structure |
| CN109378183A (en) * | 2018-12-05 | 2019-02-22 | 保定天威保变电气股份有限公司 | A kind of three-phase reactor press mounting structure and method |
| CN208706400U (en) * | 2018-08-15 | 2019-04-05 | 苏州吴变电气科技有限公司 | A kind of core of reactor compressing structure |
| CN110517879A (en) * | 2019-09-26 | 2019-11-29 | 苏州翰为电气科技有限公司 | A kind of power equipment body packaging technology |
-
2021
- 2021-12-23 CN CN202111590853.1A patent/CN114388254B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205050675U (en) * | 2015-09-25 | 2016-02-24 | 佛山市万瀚隆磁电科技有限公司 | Three -phase reactor that ribbon line wound immediately |
| CN205230805U (en) * | 2015-12-28 | 2016-05-11 | 保定天威保变电气股份有限公司 | Three -phase parallel reactor pressure equipment structure |
| CN208706400U (en) * | 2018-08-15 | 2019-04-05 | 苏州吴变电气科技有限公司 | A kind of core of reactor compressing structure |
| CN109378183A (en) * | 2018-12-05 | 2019-02-22 | 保定天威保变电气股份有限公司 | A kind of three-phase reactor press mounting structure and method |
| CN110517879A (en) * | 2019-09-26 | 2019-11-29 | 苏州翰为电气科技有限公司 | A kind of power equipment body packaging technology |
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