CN114388254B - Step-by-step and step-by-step compaction method for iron core column of three-phase reactor - Google Patents
Step-by-step and step-by-step compaction method for iron core column of three-phase reactor Download PDFInfo
- Publication number
- CN114388254B CN114388254B CN202111590853.1A CN202111590853A CN114388254B CN 114388254 B CN114388254 B CN 114388254B CN 202111590853 A CN202111590853 A CN 202111590853A CN 114388254 B CN114388254 B CN 114388254B
- Authority
- CN
- China
- Prior art keywords
- phase
- iron core
- core column
- pressing
- oil cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Automatic Assembly (AREA)
Abstract
The invention belongs to the field of reactor manufacturing processes, in particular to a step-by-step and step-by-step compaction method for iron core columns of a three-phase reactor, which comprises the following steps of; s1: firstly, carrying out comprehensive quality detection on products of an iron core column body, an iron core column compression screw, a lock nut, a hydraulic cylinder, a compression beam, a tooling bolt and an upper iron yoke, and using the products after the quality of the products meets the requirements; s2: firstly, placing a three-phase hydraulic oil cylinder and a pressing beam, and then screwing a tooling bolt into a threaded hole of a pressing screw rod of an iron core column; the pressure increasing value is controlled to be not more than 0.2F each time by a step-by-step and step-by-step pressurizing method. The phase B is pressed in place at each time, and then the phase A, C hydraulic device is started at the same time, and the phase B is pressed to be consistent with the phase B, so that the pressure of three columns 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 compaction method for iron core columns of a three-phase reactor.
Background
The three-phase shunt reactor iron core sheet needs to be sheared by a high-speed punch when in production, so that the three-phase shunt reactor iron core sheet has the characteristics of small burrs, regular and uniform lamination, tidy and beautiful lamination, low temperature rise during operation, low noise and the like.
Because the iron core vibration is larger when the reactor operates, the overall sound level and vibration level of the product are higher, and therefore, the step-by-step and step-by-step compaction method for the iron core column of the three-phase reactor is provided for the problems.
Disclosure of Invention
In order to make up the deficiency of the prior art, solve the problem that the iron core vibration is large when the reactor is operated, which can result in the overall sound level and vibration level of the product to be higher, the invention provides a step-by-step and step-by-step compaction method for the iron core column of the three-phase reactor.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a step-by-step and step-by-step compaction method for iron core columns of a three-phase reactor, which comprises the following steps of;
s1: firstly, carrying out comprehensive quality detection on products of an iron core column body, an iron core column compression screw, a lock nut, a hydraulic cylinder, a compression beam, a tooling bolt and an upper iron yoke, and using the products after the quality of the products meets the requirements;
s2: firstly, placing a three-phase hydraulic cylinder and a pressing beam, and then screwing a tooling bolt into a threaded hole of a pressing screw of the iron core column body;
s3: after the hydraulic oil cylinder is started to prop against the pressing beam, the pressing beam is utilized to downwards press the upper iron yoke by the reaction force of the pressing beam on the upper iron yoke, so that the iron core column body at the lower part of the upper iron yoke is pressed;
s4: setting the final pressing force of a single iron core column body as F, starting a B-phase hydraulic device, enabling the B-phase iron core column body to be pressed firstly by the pressing force of 0.2F, and starting the B-phase hydraulic device after the B-phase is pressed to 0.2F, wherein the pressing force is consistent with the B-phase;
s5: the hydraulic system does not release pressure, the pressure of 0.2F is kept, 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: according to the requirements, the B-phase hydraulic device is started at first each time and cannot be pressed to the rated pressure F for one time, the pressure increasing value is controlled to be not more than 0.2F each time, the B-phase hydraulic device is started A, C at the same time after each time of pressing is in place, the B-phase hydraulic device is stopped after being pressed to be consistent with the B-phase value, and the three-column pressure is balanced at the moment;
s7: after the pressurization operation is completed, the values of L1, L2 and L3 are respectively measured, and the control requirement is that: is Max { (L1-L2), (L2-L3), (L1-L3) } E [ -1mm,1mm ].
The pressurization sequence and the control pressure are shown in table 1, and the overall compaction schematic is shown in fig. 2. After the pressurizing process is completed according to the requirements, the top nut of the pull rod is locked at the same time, so that the compressing operation is completed.
Preferably, the products of the iron core column body, the iron core column compression screw, the locking nut, the hydraulic cylinder, the press beam, the tooling bolt and the upper iron yoke in the S1 are subjected to comprehensive quality detection, whether the model, the hardness and the tightness of the products are incomplete or not is detected, and the quality of the three-phase reactor is ensured by comprehensively detecting the products of the iron core column body, the iron core column compression screw, the locking nut, the hydraulic cylinder, the press beam, the tooling bolt and the upper iron yoke.
Preferably, in the step S2, after the hydraulic cylinder and the pressing beam are placed, the hydraulic cylinder and the pressing beam are required to be held manually, and after the hydraulic cylinder and the pressing beam are held, the hydraulic cylinder and the pressing beam are prevented from being shifted by using the tooling bolts.
Preferably, before the hydraulic oil cylinder is used, the hydraulic oil cylinder needs to be lubricated 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 the step S3, before the hydraulic cylinder is used to prop against the pressing beam, the worker should be far away from the vicinity, and warn surrounding people to prohibit the approach, and by far away from the vicinity of the three-phase reactor, accidental damage to the worker can be avoided when the hydraulic cylinder is used to prop against the pressing beam.
Preferably, in the step S2, after the fixture bolts are screwed into the threaded holes of the compression screws of the core column body, the fixture bolts need to be checked, whether the fixture bolts are loose or not is observed, and the fixing effect of the fixture bolts can be improved by observing whether the fixture bolts are loose or not.
Preferably, a rubber pad is placed at the bottom of the pressing beam, and the rubber pad protects the pressing beam and the upper iron yoke when the pressing beam presses the upper iron yoke.
Preferably, when the hydraulic cylinder is used, the hydraulic cylinder is required to be kept in a state without pressure relief all the time so as to ensure the hydraulic effect of the hydraulic cylinder.
The invention has the advantages that:
1. the pressure increasing value is controlled to be not more than 0.2F each time by a step-by-step and step-by-step pressurizing method. The phase B is pressed in place at each time, and then a phase A, C hydraulic device is started at the same time, and the phase B is pressed to be consistent with the phase B in value and then stopped, so that the pressure of three columns is balanced, the effect of reliably pressing the core column is achieved, and the damping effect of the iron core is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a flow chart of the method of the present invention;
fig. 2 is a schematic structural view of the core limb.
In the figure: 1. an iron core column body; 2. a core column compression screw; 3. a lock nut; 4. a hydraulic cylinder; 5. pressing a beam; 6. a tooling bolt; 7. and (5) an upper iron yoke.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the step-by-step and step-by-step compaction method for the iron core column of the three-phase reactor comprises the following steps of;
s1: firstly, carrying out comprehensive quality detection on products of an iron core column body 1, an iron core column compression screw rod 2, a locking nut 3, a hydraulic cylinder 4, a compression beam 5, a tooling bolt 6 and an upper iron yoke 7, and using the products after the quality of the products meets the requirements;
s2: firstly, placing a three-phase hydraulic cylinder 4 and a pressing beam 5, and then screwing a tooling bolt 6 into a threaded hole of a pressing screw of the iron core column body 1;
s3: after the hydraulic oil cylinder 4 is started, the hydraulic oil cylinder 4 props against the pressing beam 5, the upper iron yoke 7 is pressed down by the reaction force of the pressing beam 5 to the upper iron yoke 7, so that the iron core column body 1 at the lower part of the upper iron yoke 7 is pressed;
s4: setting the final pressing force of the single iron core column body 1 as F, starting a B-phase hydraulic device, enabling the B-phase iron core column 1 to be pressed firstly by the pressing force of 0.2F, and starting the B-phase hydraulic device after the B-phase is pressed to 0.2F, wherein the pressing force is consistent with the B-phase;
s5: the hydraulic system does not release pressure, the pressure of 0.2F is kept, 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: according to the requirements, the B-phase hydraulic device is started at first each time and cannot be pressed to the rated pressure F for one time, the pressure increasing value is controlled to be not more than 0.2F each time, the B-phase hydraulic device is started A, C at the same time after each time of pressing is in place, the B-phase hydraulic device is stopped after being pressed to be consistent with the B-phase value, and the three-column pressure is balanced at the moment;
s7: after the pressurization operation is completed, the values of L1, L2 and L3 are respectively measured, and the control requirement is that: is Max { (L1-L2), (L2-L3), (L1-L3) } E [ -1mm,1mm ].
The products of the iron core column body 1, the iron core column compression screw 2, the locking nut 3, the hydraulic cylinder 4, the pressing beam 5, the tooling bolt 6 and the upper iron yoke 7 in the S1 are subjected to comprehensive quality detection, whether the model, the machine type, the hardness and the tightness of the products are incomplete or not is required to be detected, and the quality of the three-phase reactor is ensured by carrying out comprehensive quality detection on the products of the iron core column body 1, the iron core column compression screw 2, the locking nut 3, the hydraulic cylinder 4, the pressing beam 5, the tooling bolt 6 and the upper iron yoke 7.
In the step S2, after the hydraulic cylinder 4 and the press beam 5 are placed, the hydraulic cylinder 4 and the press beam 5 need to be manually held, and after the hydraulic cylinder 4 and the press beam 5 are held, the hydraulic cylinder 4 and the press beam 5 can be prevented from being deviated by using the tool bolts 6.
Before the hydraulic cylinder 4 is used, the hydraulic cylinder 4 needs to be lubricated firstly so as to reduce abrasion generated when the hydraulic cylinder 4 is used, and the service life of the hydraulic cylinder 4 is prolonged through the lubrication of the hydraulic cylinder 4.
In the step S3, before the hydraulic cylinder 4 is used to prop against the press beam 5, the worker should be far away from the vicinity, and warn surrounding people to prohibit the approach, and by far away from the vicinity of the three-phase reactor, the accidental damage to the worker caused when the hydraulic cylinder 4 props against the press beam 5 can be avoided.
In S2, after the tooling bolt 6 is screwed into the threaded hole of the compression screw of the iron core column body 1, the tooling bolt 6 needs to be checked, whether the tooling bolt 6 is loose or not is observed, and the fixing effect of the tooling bolt 6 can be improved by observing whether the tooling bolt 6 is loose or not.
Rubber pads are placed at the bottom of the press beam 5, and when the press beam 5 presses the upper iron yoke 7, the rubber pads protect the press beam 5 and the upper iron yoke 7.
When the hydraulic cylinder 4 is used, the hydraulic cylinder 4 is required to be kept in a state without pressure relief all the time so as to ensure the hydraulic effect of the hydraulic cylinder 4.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 has shown and described the basic principles, principal 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, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (8)
1. The step-by-step compaction method for the iron core column of the three-phase reactor is characterized by comprising the following steps of: the method comprises the following steps of;
s1: firstly, carrying out comprehensive quality detection on 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 compression beam (5), a tooling bolt (6) and an upper iron yoke (7), and using the products after the quality of the products meets the requirements;
s2: firstly, placing a three-phase hydraulic oil cylinder (4) and a pressing beam (5), and then screwing a tooling bolt (6) into a threaded hole of a pressing screw of the iron core column body (1);
s3: after the hydraulic oil cylinder (4) is started, the hydraulic oil cylinder (4) supports against the pressing beam (5), and the reaction force of the pressing beam (5) on the upper iron yoke (7) is utilized to press the upper iron yoke (7) down, so that the iron core column body (1) at the lower part of the upper iron yoke (7) is pressed;
s4: setting the final pressing force of a single iron core column body (1) as F, starting a B-phase hydraulic device, enabling the B-phase iron core column body (1) to be pressed firstly by the pressing force of 0.2F, and starting the B-phase hydraulic device after the B-phase is pressed to 0.2F, wherein the pressing force is consistent with the B-phase;
s5: the hydraulic system does not release pressure, the pressure of 0.2F is kept, 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: according to the requirements, the B-phase hydraulic device is started at first each time and cannot be pressed to the rated pressure F for one time, the pressure increasing value is controlled to be not more than 0.2F each time, the B-phase hydraulic device is started A, C at the same time after each time of pressing is in place, the B-phase hydraulic device is stopped after being pressed to be consistent with the B-phase value, and the three-column pressure is balanced at the moment;
s7: after the pressurization operation is completed, the values of L1, L2 and L3 are respectively measured, and the control requirement is that: is Max { (L1-L2), (L2-L3), (L1-L3) } E [ -1mm,1mm ].
2. The step-by-step and stepwise compacting method for three-phase reactor core limb according to claim 1, wherein: products of the iron core column body (1), the iron core column compression screw (2), the locking nut (3), the hydraulic cylinder (4), the pressing beam (5), the tooling bolt (6) and the upper iron yoke (7) in the S1 are subjected to comprehensive quality detection, and whether the model, the hardness, the tightness and the product of the products are incomplete or not is detected.
3. The step-by-step and stepwise compacting method for three-phase reactor core limb according to claim 1, wherein: in the step S2, after the hydraulic oil cylinder (4) and the pressing beam (5) are placed, the hydraulic oil cylinder (4) and the pressing beam (5) are required to be manually held.
4. The step-by-step and stepwise compacting method for three-phase reactor core limb according to claim 1, wherein: before the hydraulic oil cylinder (4) is used, the hydraulic oil cylinder (4) needs to be lubricated so as to reduce abrasion generated when the hydraulic oil cylinder (4) is used.
5. The step-by-step and stepwise compacting method for three-phase reactor core limb according to claim 1, wherein: in the step S3, before the hydraulic cylinder (4) is used for supporting the pressing beam (5), workers are far away from the vicinity, and surrounding people are warned to prohibit approaching.
6. The step-by-step and stepwise compacting method for three-phase reactor core limb according to claim 1, wherein: in the step S2, after the tooling bolts (6) are screwed into threaded holes of the compression screws of the iron core column body (1), the tooling bolts (6) are required to be checked, and whether the tooling bolts (6) are loose or not is observed.
7. The step-by-step and stepwise compacting method for three-phase reactor core limb according to claim 1, wherein: rubber pads are placed at the bottoms of the pressing beams (5), and when the pressing beams (5) press the iron yokes (7) downwards, the rubber pads can protect the pressing beams (5) and the upper iron yokes (7).
8. The step-by-step and stepwise compacting method for three-phase reactor core limb according to claim 1, wherein: when the hydraulic oil cylinder (4) is used, the hydraulic oil cylinder (4) needs to be kept in a state without pressure relief all the time so as to ensure the hydraulic effect of the hydraulic oil cylinder (4).
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114388254A CN114388254A (en) | 2022-04-22 |
| CN114388254B true CN114388254B (en) | 2023-08-29 |
Family
ID=81197948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111590853.1A Active 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114388254B (en) |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114388254A (en) | 2022-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203003556U (en) | Hydraulic quick-change clamp for drilling and tapping machining of belt pulley | |
| US2722144A (en) | Column support | |
| CN114388254B (en) | Step-by-step and step-by-step compaction method for iron core column of three-phase reactor | |
| CN203765515U (en) | Tool used for maintaining oil cylinder | |
| CN203665048U (en) | Press machine with special pressure | |
| CN107335739A (en) | The decompressor of automatic material jacking | |
| CN105014437B (en) | A kind of centering and clamping apparatus | |
| CN107030167A (en) | A kind of vehicle complete vehicle production punch press | |
| CN101944427A (en) | Pressing device of integral shunt reactor body | |
| CN216758980U (en) | Hauler frame equipment anchor clamps | |
| CN210982010U (en) | Hydraulic nut pressing device | |
| US4372144A (en) | Wrap ring assembly for precision no-draft forging | |
| CN210387393U (en) | Flash-free forging device for gear forging | |
| CN211990507U (en) | Aluminium foil cutlery box mould processing auxiliary device | |
| CN206780618U (en) | A kind of porcelain block isotactic pressing device | |
| CN203401755U (en) | Hydraulic tensioning device of pull rods of press machine | |
| CN219788198U (en) | Tool for disassembling copper bush of booster cylinder of high-pressure casting machine | |
| CN102000748B (en) | Anti-eccentricity pressing piston rod connecting device of no-guiding slider type hydraulic press | |
| CN206854653U (en) | A kind of pressure self-balancing Miniature oil press | |
| CN101386216A (en) | Press head of movable rotary press head portal shaped hydraulic press | |
| CN205851629U (en) | A kind of mechanical stamping equipment of light thin wall part processing | |
| CN210648056U (en) | Stamping die is used in processing of high strength cell-phone frame | |
| CN210907759U (en) | Hub bolt press-in device | |
| CN216095624U (en) | Locking device of continuous extruder | |
| CN215143761U (en) | Stamping die convenient to overhaul |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |