CN114388255A - Three-phase core type reactor core column height adjusting method - Google Patents

Three-phase core type reactor core column height adjusting method Download PDF

Info

Publication number
CN114388255A
CN114388255A CN202111593647.6A CN202111593647A CN114388255A CN 114388255 A CN114388255 A CN 114388255A CN 202111593647 A CN202111593647 A CN 202111593647A CN 114388255 A CN114388255 A CN 114388255A
Authority
CN
China
Prior art keywords
air gap
phase
adjusting
gap cushion
iron core
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.)
Granted
Application number
CN202111593647.6A
Other languages
Chinese (zh)
Other versions
CN114388255B (en
Inventor
马骁
张冠军
李勇
张建成
高扬
许丹
苗婧
王玮玄
谷月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baoding Tianwei Baobian Electric Co Ltd
Original Assignee
Baoding Tianwei Baobian Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baoding Tianwei Baobian Electric Co Ltd filed Critical Baoding Tianwei Baobian Electric Co Ltd
Priority to CN202111593647.6A priority Critical patent/CN114388255B/en
Publication of CN114388255A publication Critical patent/CN114388255A/en
Application granted granted Critical
Publication of CN114388255B publication Critical patent/CN114388255B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention belongs to the field of electrical equipment, and particularly relates to a method for adjusting the height of an iron core column of a three-phase core type reactor, which comprises the following steps; s1: firstly, opening boxes of all equipment to the site for inspection, checking the integrity of the name, the model, the type and the appearance of the equipment according to a supply contract and the counting number of equipment packing lists and construction drawings, and confirming whether product quality certification and technical documents are complete and effective or not; through the three-phase core type reactor core limb height adjusting method, workers can be effectively assisted to adjust and install the three-phase core type reactor core limbs, the problem that the height difference of three groups of core limbs is large after installation, so that the pressure distribution of the core is uneven in follow-up pressing operation is avoided, the efficiency of manually installing the three-phase core type reactor core limbs is improved, and the influence on the follow-up use of equipment is avoided.

Description

Three-phase core type reactor core column height adjusting method
Technical Field
The invention relates to the field of electrical equipment, in particular to a method for adjusting the height of an iron core column of a three-phase core type reactor.
Background
The reactor is not called as an inductor, and the inductor and the capacitive reactance are scientifically classified to be called as the reactor.
The reactor is great at the in-process iron core vibrations of operation, for the whole sound level and the vibrations level of controlgear, need compress tightly firmly to the iron-cored column, and three phase-core reactor is because of there is very big particularity in structure, and inside iron-cored column total is three combinations.
When the existing three-phase core type reactor is used for assembling the iron core column, the height of the iron core column after installation is different due to the fact that no method for clearly adjusting the height exists, and the pressure distribution of the iron core during subsequent pressing is directly influenced, so that the method for adjusting the height of the iron core column of the three-phase core type reactor is provided for solving the problems.
Disclosure of Invention
The invention provides a method for adjusting the height of an iron core column of a three-phase core type reactor, aiming at overcoming the defects of the prior art and solving the problems that the heights of the iron core column after installation are different and the pressure distribution of an iron core is not uniform when the subsequent compression is directly influenced because no method for clearly adjusting the height is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a method for adjusting the height of an iron core column of a three-phase core type reactor, which comprises the following steps;
s1: firstly, opening boxes of all equipment to the site for inspection, checking the integrity of the name, the model, the type and the appearance of the equipment according to a supply contract and the counting number of equipment packing lists and construction drawings, and confirming whether product quality certification and technical documents are complete and effective or not;
s2: after the step of S1 is completed, the three-phase iron core columns are installed and fixed according to the left, middle and right positions respectively, the three-phase iron core columns are assembled at the end parts of the lower iron yoke, after the three-phase iron core columns are installed and fixed, the horizontal ruler is used for measuring the distance from the upper end surface of the iron core column at the middle position to the lower end surface of the horizontal ruler, and air gap cushion blocks are adhered according to actual measurement data;
s3: placing the level bar in the S2 into a storage box for storage, arranging an air gap cushion block matched with the upper part of the iron core column at the middle position, determining the thickness of the used air gap cushion block after matching, wherein a gap smaller than 0.3-1.2mm possibly exists between the upper part of the air gap cushion block and the lower surface of the level bar, measuring the size of the gap by using a feeler gauge at the moment, and then adjusting and filling the gap by using a paper sheet according to a measurement result;
s4: after the paper sheets in the S3 are adjusted and placed, the air gap cushion blocks are bonded, glue is smeared on two surfaces of the air gap cushion blocks for bonding, the bottom surfaces of the air gap cushion blocks are bonded with the adjusting paper sheets in an attaching mode, and the end surfaces of the air gap cushion blocks are bonded with the upper iron yoke after being pressed tightly after the glue is smeared;
s5: and finally, checking the bonding position, measuring the three-phase iron core column by using a horizontal ruler, recycling the accessories and the used objects, packaging and pouring the generated construction waste into a nearest waste recycling station, and commissioning the equipment after the checking is finished.
Preferably, three thickness specifications are prepared before the air gap cushion block in the S2 is constructed, the thicknesses of the air gap cushion block are respectively 1-2mm, 3-4mm and 5-6mm, the air gap cushion block is bonded according to the measuring result of the leveling instrument, whether the height of the three-phase iron core column is horizontal or not is observed in real time during bonding, and a level meter is used for carrying out horizontal measurement; the height of the three-phase iron core column can be conveniently adjusted during installation by preparing air gap cushion blocks with various specifications in advance.
Preferably, three thickness specifications are prepared before construction of the paper sheet in S3, the thickness of the paper sheet is respectively 0.3-0.5mm, 0.6-0.8mm and 0.9-1.2mm, the paper sheet is bonded according to the measurement result of a horizontal ruler, and whether the height of the three-phase iron core column is horizontal or not is observed in real time during bonding, and a level gauge is used for horizontal measurement; through preparing the scraps of paper of multiple specification in advance, conveniently adjust the height of three-phase core limb when the installation.
Preferably, when the paper sheets in the step S3 are filled in the gap, the gap size is obtained through measurement by a feeler gauge, one of three specifications of paper sheets is selected according to the gap size, a mobile phone calculator is used to calculate the number of the required paper sheets, a plurality of groups of paper sheets are bonded, the paper sheets are plugged into the gap for bonding, and whether the height of the three-phase iron core column is horizontal or not is observed; the clearance size is measured to the clearance gauge to calculate the quantity that the scraps of paper needed, the accurate bonding of being convenient for ensures the high level of three-phase iron-cored column.
Preferably, before the paper sheet in the S3 is used, the paper sheet is perforated, glue is uniformly coated, whether the glue penetrates through the paper sheet or not is observed, the glue is firmly bonded with the air gap cushion block after penetrating through the paper sheet, and then the air gap cushion block of the bonded paper sheet is bonded and fixed with the iron core column; and observing whether the glue permeates the paper sheet or not, and confirming the tightness degree of the adhesion of the paper sheet and the air gap cushion block.
Preferably, when the air gap cushion block in S4 is used for bonding the paper sheets, glue is respectively applied to the bottom end of the air gap cushion block and the end of the adjusting paper sheet, the bottom end of the air gap cushion block is attached to the end of the adjusting paper sheet after the glue is uniformly applied, whether the attachment position of the air gap cushion block and the end of the adjusting paper sheet is inclined or not is observed, and after the attachment angle is adjusted, the redundant glue is applied to the side walls of the air gap cushion block and the adjusting paper sheet; the adhesion of the air gap pad to the sheet was observed to confirm whether the adhesion was tight and skewed.
Preferably, after glue at the end parts of the air gap cushion blocks in the S4 is uniformly coated, the glue is adhered and fixed with an upper iron yoke of the reactor, a limiting paper ring is additionally arranged on the outer side of each air gap cushion block, and the air gap cushion blocks are wrapped by the limiting paper rings; the added limiting paper ring is utilized to prevent the air gap cushion block from shifting during subsequent pressurization.
Preferably, when the three-phase iron core column in S2 is installed, a construction fence is first arranged at a construction site to surround a construction site, the fence area is larger than 1-2 times of the construction range, and then the lower iron yoke is clamped and fixed by an auxiliary bracket, and the auxiliary bracket is fixed by bolts to install the three-phase iron core column; through install the construction rail additional around the construction, avoid receiving the interference at the in-process of construction, influence the construction progress.
The invention has the advantages that:
1. according to the method for adjusting the height of the iron core column of the three-phase core-type reactor, workers can be effectively assisted in adjusting and installing the iron core column of the three-phase core-type reactor, the problem that the height difference of three groups of iron core columns is large after installation, so that the iron core pressure distribution is not uniform in the subsequent pressing operation is solved, the efficiency of manually installing the iron core column of the three-phase core-type reactor is improved, and the subsequent use of equipment is prevented from being influenced.
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 for adjusting the height of a core limb of a three-phase core type reactor according to the invention.
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, a method for adjusting the height of a core limb of a three-phase core-type reactor includes the following steps;
s1: firstly, opening boxes of all equipment to the site for inspection, checking the integrity of the name, the model, the type and the appearance of the equipment according to a supply contract and the counting number of equipment packing lists and construction drawings, and confirming whether product quality certification and technical documents are complete and effective or not;
s2: after the step of S1 is completed, the three-phase iron core columns are installed and fixed according to the left, middle and right positions respectively, the three-phase iron core columns are assembled at the end parts of the lower iron yoke, after the three-phase iron core columns are installed and fixed, the horizontal ruler is used for measuring the distance from the upper end surface of the iron core column at the middle position to the lower end surface of the horizontal ruler, and air gap cushion blocks are adhered according to actual measurement data;
s3: placing the level bar in the S2 into a storage box for storage, arranging an air gap cushion block matched with the upper part of the iron core column at the middle position, determining the thickness of the used air gap cushion block after matching, wherein a gap smaller than 0.3-1.2mm possibly exists between the upper part of the air gap cushion block and the lower surface of the level bar, measuring the size of the gap by using a feeler gauge at the moment, and then adjusting and filling the gap by using a paper sheet according to a measurement result;
s4: after the paper sheets in the S3 are adjusted and placed, the air gap cushion blocks are bonded, glue is smeared on two surfaces of the air gap cushion blocks for bonding, the bottom surfaces of the air gap cushion blocks are bonded with the adjusting paper sheets in an attaching mode, and the end surfaces of the air gap cushion blocks are bonded with the upper iron yoke after being pressed tightly after the glue is smeared;
s5: and finally, checking the bonding position, measuring the three-phase iron core column by using a horizontal ruler, recycling the accessories and the used objects, packaging and pouring the generated construction waste into a nearest waste recycling station, and commissioning the equipment after the checking is finished.
Preparing three thickness specifications of the air gap cushion block in the S2 before construction, wherein the thicknesses of the air gap cushion block are respectively 1-2mm, 3-4mm and 5-6mm, bonding the air gap cushion block according to the measuring result of a horizontal ruler, observing whether the height of the three-phase iron core column is horizontal or not in real time during bonding, and performing horizontal measurement by using a level gauge; the height of the three-phase iron core column can be conveniently adjusted during installation by preparing air gap cushion blocks with various specifications in advance.
Three thickness specifications are prepared before the construction of the paper sheet in the S3, the thickness of the paper sheet is respectively 0.3-0.5mm, 0.6-0.8mm and 0.9-1.2mm, the paper sheet is bonded according to the measuring result of a horizontal ruler, the height of the three-phase iron core column is observed in real time during bonding to determine whether the height is horizontal, and a level gauge is used for horizontal measurement; through preparing the scraps of paper of multiple specification in advance, conveniently adjust the height of three-phase core limb when the installation.
When the paper sheets in the S3 are filled in the gaps, the gap size is obtained through measuring by a feeler gauge, one of three specifications of paper sheets is selected according to the gap size, the number of the required paper sheets is calculated by using a mobile phone calculator, a plurality of groups of paper sheets are bonded, the paper sheets are plugged into the gaps for bonding, and whether the height of the three-phase iron core column is horizontal or not is observed; the clearance size is measured to the clearance gauge to calculate the quantity that the scraps of paper needed, the accurate bonding of being convenient for ensures the high level of three-phase iron-cored column.
Before the paper sheet in the S3 is used, punching is carried out on the paper sheet, glue is uniformly coated, whether the glue penetrates through the paper sheet or not is observed, the glue is firmly bonded with the air gap cushion block after penetrating through the paper sheet, and then the air gap cushion block of the bonded paper sheet is bonded and fixed with the iron core column; and observing whether the glue permeates the paper sheet or not, and confirming the tightness degree of the adhesion of the paper sheet and the air gap cushion block.
When the air gap cushion block in the S4 is used for bonding the paper sheets, firstly, respectively coating glue on the bottom end of the air gap cushion block and the end part of the adjusting paper sheet, uniformly coating the glue, attaching the bottom end of the air gap cushion block and the end part of the adjusting paper sheet, observing whether the attaching position of the air gap cushion block and the adjusting paper sheet is inclined, and after the attaching angle is adjusted, coating the redundant glue on the side walls of the air gap cushion block and the adjusting paper sheet; the adhesion of the air gap pad to the sheet was observed to confirm whether the adhesion was tight and skewed.
After glue at the end parts of the air gap cushion blocks in the S4 is uniformly coated, the glue is adhered and fixed with an upper iron yoke of the reactor, and a limiting paper ring is additionally arranged on the outer side of each air gap cushion block and wraps the air gap cushion blocks; the added limiting paper ring is utilized to prevent the air gap cushion block from shifting during subsequent pressurization.
When the three-phase iron core column in the step S2 is installed, a construction fence is arranged at a construction site to surround a construction site, the fence area is 1-2 times larger than the construction range, the lower iron yoke is clamped and fixed by using an auxiliary support, the auxiliary support is fixed by using bolts, and the three-phase iron core column is installed; through install the construction rail additional around the construction, avoid receiving the interference at the in-process of construction, influence the construction progress.
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 method for adjusting the height of the iron core column of the three-phase core type reactor is characterized by comprising the following steps of: the method comprises the following steps;
s1: firstly, opening boxes of all equipment to the site for inspection, checking the integrity of the name, the model, the type and the appearance of the equipment according to a supply contract and the counting number of equipment packing lists and construction drawings, and confirming whether product quality certification and technical documents are complete and effective or not;
s2: after the step of S1 is completed, the three-phase iron core columns are installed and fixed according to the left, middle and right positions respectively, the three-phase iron core columns are assembled at the end parts of the lower iron yoke, after the three-phase iron core columns are installed and fixed, the horizontal ruler is used for measuring the distance from the upper end surface of the iron core column at the middle position to the lower end surface of the horizontal ruler, and air gap cushion blocks are adhered according to actual measurement data;
s3: placing the level bar in the S2 into a storage box for storage, arranging an air gap cushion block matched with the upper part of the iron core column at the middle position, determining the thickness of the used air gap cushion block after matching, wherein a gap smaller than 0.3-1.2mm possibly exists between the upper part of the air gap cushion block and the lower surface of the level bar, measuring the size of the gap by using a feeler gauge at the moment, and then adjusting and filling the gap by using a paper sheet according to a measurement result;
s4: after the paper sheets in the S3 are adjusted and placed, the air gap cushion blocks are bonded, glue is smeared on two surfaces of the air gap cushion blocks for bonding, the bottom surfaces of the air gap cushion blocks are bonded with the adjusting paper sheets in an attaching mode, and the end surfaces of the air gap cushion blocks are bonded with the upper iron yoke after being pressed tightly after the glue is smeared;
s5: and finally, checking the bonding position, measuring the three-phase iron core column by using a horizontal ruler, recycling the accessories and the used objects, packaging and pouring the generated construction waste into a nearest waste recycling station, and commissioning the equipment after the checking is finished.
2. The method of adjusting the height of a three-phase core-type reactor core limb according to claim 1, characterized in that: the air gap cushion block in the S2 is prepared into three thickness specifications before construction, the thicknesses of the air gap cushion block are respectively 1-2mm, 3-4mm and 5-6mm, the air gap cushion block is bonded according to the measuring result of the leveling instrument, whether the height of the three-phase iron core column is horizontal or not is observed in real time during bonding, and a leveling instrument is used for carrying out horizontal measurement.
3. The method of adjusting the height of a three-phase core-type reactor core limb according to claim 1, characterized in that: three thickness specifications are prepared before construction of the paper sheet in the S3, the thickness of the paper sheet is respectively 0.3-0.5mm, 0.6-0.8mm and 0.9-1.2mm, the paper sheet is bonded according to the measuring result of the leveling instrument, whether the height of the three-phase iron core column is horizontal or not is observed in real time during bonding, and a level meter is used for horizontal measurement.
4. The method of adjusting the height of a three-phase core-type reactor core limb according to claim 1, characterized in that: when the paper sheets in the S3 are filled in the gaps, the gap size is obtained through the measurement of the feeler gauge, one of three specifications of paper sheets is selected according to the gap size, the number of the required paper sheets is calculated by using a mobile phone calculator, a plurality of groups of paper sheets are bonded, the paper sheets are plugged into the gaps for bonding, and whether the height of the three-phase iron core column is horizontal or not is observed.
5. The method of adjusting the height of a three-phase core-type reactor core limb according to claim 1, characterized in that: and (3) perforating the paper sheet before the paper sheet in the S3 is used, uniformly coating the glue, observing whether the glue penetrates through the paper sheet, firmly bonding the glue with the air gap cushion block after the glue penetrates through the paper sheet, and then bonding and fixing the air gap cushion of the bonded paper sheet with the iron core column.
6. The method of adjusting the height of a three-phase core-type reactor core limb according to claim 1, characterized in that: when the air gap cushion block in the S4 is used for bonding the paper sheets, glue is respectively coated on the bottom end of the air gap cushion block and the end part of the adjusting paper sheet, the bottom end of the air gap cushion block is attached to the end part of the adjusting paper sheet after the glue is uniformly coated, whether the attaching position of the air gap cushion block and the adjusting paper sheet is inclined or not is observed, and after the attaching angle is adjusted, the redundant glue is coated on the side walls of the air gap cushion block and the adjusting paper sheet.
7. The method of adjusting the height of a three-phase core-type reactor core limb according to claim 1, characterized in that: and after glue at the end parts of the air gap cushion blocks in the S4 is uniformly coated, the glue is adhered and fixed with an upper iron yoke of the reactor, and a limiting paper ring is additionally arranged on the outer side of each air gap cushion block and wraps the air gap cushion blocks.
8. The method of adjusting the height of a three-phase core-type reactor core limb according to claim 1, characterized in that: when the three-phase iron core column in the step S2 is installed, a construction fence is arranged at a construction site to surround the construction site, the area of the fence is 1 to 2 times larger than the construction range, the lower iron yoke is clamped and fixed by using the auxiliary support, the auxiliary support is fixed by using bolts, and the three-phase iron core column is installed.
CN202111593647.6A 2021-12-23 2021-12-23 Three-phase core type reactor iron core column height adjusting method Active CN114388255B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111593647.6A CN114388255B (en) 2021-12-23 2021-12-23 Three-phase core type reactor iron core column height adjusting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111593647.6A CN114388255B (en) 2021-12-23 2021-12-23 Three-phase core type reactor iron core column height adjusting method

Publications (2)

Publication Number Publication Date
CN114388255A true CN114388255A (en) 2022-04-22
CN114388255B CN114388255B (en) 2024-03-15

Family

ID=81197214

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111593647.6A Active CN114388255B (en) 2021-12-23 2021-12-23 Three-phase core type reactor iron core column height adjusting method

Country Status (1)

Country Link
CN (1) CN114388255B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH204154A (en) * 1935-11-02 1939-04-15 Licentia Gmbh Polyphase transformer.
WO2013051954A1 (en) * 2011-10-04 2013-04-11 Открытое Акционерное Общество "Государственный Ракетный Центр Имени Академика В. П. Макеева Rotor for a wind energy installation with a vertical axis of rotation
CN103125004A (en) * 2010-09-22 2013-05-29 住友电气工业株式会社 Reactor, converter, and electric power converter
CN107068383A (en) * 2017-03-17 2017-08-18 保定天威保变电气股份有限公司 A kind of shunt reactor sticking air gap cushion block of iron core cake device and technique
CN206516478U (en) * 2017-03-17 2017-09-22 保定天威保变电气股份有限公司 A kind of shunt reactor sticking air gap cushion block of iron core cake device
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
CN210953103U (en) * 2019-12-24 2020-07-07 保定天威保变电气股份有限公司 Reactor vibration noise measurement test device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH204154A (en) * 1935-11-02 1939-04-15 Licentia Gmbh Polyphase transformer.
CN103125004A (en) * 2010-09-22 2013-05-29 住友电气工业株式会社 Reactor, converter, and electric power converter
WO2013051954A1 (en) * 2011-10-04 2013-04-11 Открытое Акционерное Общество "Государственный Ракетный Центр Имени Академика В. П. Макеева Rotor for a wind energy installation with a vertical axis of rotation
CN107068383A (en) * 2017-03-17 2017-08-18 保定天威保变电气股份有限公司 A kind of shunt reactor sticking air gap cushion block of iron core cake device and technique
CN206516478U (en) * 2017-03-17 2017-09-22 保定天威保变电气股份有限公司 A kind of shunt reactor sticking air gap cushion block of iron core cake device
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
CN210953103U (en) * 2019-12-24 2020-07-07 保定天威保变电气股份有限公司 Reactor vibration noise measurement test device

Also Published As

Publication number Publication date
CN114388255B (en) 2024-03-15

Similar Documents

Publication Publication Date Title
CN105421211B (en) The preparation method of large span list arch rib steel case arch
CN103954384B (en) A kind of dynamic stress rest method of stator blade under gas-turbine unit running status
CN104060523A (en) Ultra-large type bridge box girder component, dedicated jig frame and assembling method thereof
CN108928502A (en) Assemble the tooling of composite material wing box and the method using tooling assembly wing box
CN105369738A (en) Prepressing method of flushing type bridge rubber raft
CN114388255A (en) Three-phase core type reactor core column height adjusting method
CN111472543A (en) Concrete pouring construction method for cylindrical wood formwork
CN111391361A (en) C-shaped frame paving method
CN107762011B (en) A kind of cladding glass deformation of image control method
CN105597536B (en) A kind of corrugated denitrating catalyst unit assembly platform and assemble method
CN211235665U (en) Building material structural performance detection device
CN104806024A (en) Seamless welding-free construction method of patterned steel plate
CN212614883U (en) Positioning template for determining diameter convergence measuring point position of subway tunnel
CN208108953U (en) A kind of bolt location degree detection device of vacuum servo liner
CN106002092A (en) Multi-cavity steel column shear wall structure and preparation method thereof
CN101615210B (en) Gas pipe shallow safeguard structure design and safeguard effect test and analysis method
CN104951619A (en) Method for calculating structural stress of welding structure with virtual SMD (surface mounted device) method
CN219800313U (en) Hydraulic generator stator overhauls real standard equipment of key technical skill
CN209859796U (en) Electromagnet core laminating device
CN209356150U (en) A kind of mounting tool for ZPW.J type receiver vibration test
CN220121448U (en) LED light source reflector
CN217438712U (en) Special-shaped curve structure steel-concrete combined tower segment
CN206803883U (en) The cubing of Automobile Right back rest floor covering extension
CN115493927A (en) Reinforced concrete center drawing test piece and preparation method thereof
CN206195896U (en) Cell -phone coupling test positioning jig

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