CN102107416A - Detaching device for thyristor of converter valve - Google Patents
Detaching device for thyristor of converter valve Download PDFInfo
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- CN102107416A CN102107416A CN2011100265210A CN201110026521A CN102107416A CN 102107416 A CN102107416 A CN 102107416A CN 2011100265210 A CN2011100265210 A CN 2011100265210A CN 201110026521 A CN201110026521 A CN 201110026521A CN 102107416 A CN102107416 A CN 102107416A
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- igct
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- screw bolt
- radiator
- provision
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- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 239000003921 oil Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The invention relates to a detaching device for a thyristor of a converter valve, which comprises a support beam and two sets of unfolding blocks, wherein the unfolding blocks comprise left and right screw bolts and double screw nuts; the end parts of left and right screw bolts are of stair-shaped structures; thread holes which are arranged on the upper sides of the end faces are matched with the thread holes on a radiator; the screw bolts can be fixed on the radiator of the thyristor; the left and right screw bolts are provided with outer threads; and two sides of the double screw nuts are respectively provided with inner threads. When the detaching device is used, the radiator can be unfolded and the thyristor can be taken off, only by rotating the double screw nuts. The detaching device has simple structure. The auxiliary equipment required by the detaching process is less. The detaching device is conveniently used, is time- saving and labor-saving, and is safe and reliable.
Description
Technical field
The invention belongs to power system, be specifically related to a kind of provision for disengagement of converter valve IGCT.
Background technology
In power system, converter valve is very important dc power transmission equipment, and IGCT is the core parts of this equipment.In converter valve, several IGCTs and IGCT radiator are fitted in by very big pressure to be formed IGCT together and press-fits integrated TCA unit (TCA, Thyristor Clamp Assembly TCA is that IGCT press-fits integrated abbreviation).Along with the development of IGCT technology in the Power Electronic Technique, the diameter of IGCT rises to 6 inches by 5 inches, large diameter IGCT through-current capability Ceng Qiang, but it needs bigger pressure assembling force.The pressure assembling force of IGCT is big more, and is also just high more to the requirement of extracting tool.At present, it is the extracting tool of power that relevant device mainly adopts with hydraulic pressure, and its operation principle is to resist the pressure assembling force of TCA unit by the pressure that the small-sized hydraulic cylinder produces, thereby dismantles, changes IGCT.The hydraulic detachment handler is made up of high-pressure oil pump, hydraulic cylinder, high-pressure oil pipe and attaching parts, and this apparatus structure complexity needs parts such as high-pressure oil pump, hydraulic cylinder, high-pressure oil pipe.Take out IGCT in order to strut radiator, provision for disengagement need overcome the pressure assembling force of TCA unit, and this needs hydraulic pump that very big oil pressure (about 100Mpa) is provided.Therefore hydraulic detachment handler operation more complicated also may be brought danger because of hydraulic oil, and press-fits integrated unit with hydraulic detachment handler dismounting IGCT, wants the workload of a few hours usually.In order to overcome above-mentioned shortcoming, the present invention has adopted diverse principle to design this provision for disengagement.It is under the situation of TCA unit complete discharge pressure assembling force, with screw mechanism dismounting, replacing IGCT.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, easy to use, labour-saving IGCT provision for disengagement.
To achieve these goals, the present invention adopts following technical scheme:
A kind of provision for disengagement of converter valve IGCT, this IGCT provision for disengagement comprise that brace summer and two groups strut piece; This brace summer and to strut piece separate.
The described piece that struts is made up of left-handed double-screw bolt, dextrorotation double-screw bolt and bispin nut; On the left-handed double-screw bolt sinistral external thread is arranged, the dextrorotation external screw thread is arranged on the dextrorotation double-screw bolt, the both sides of bispin nut have left-hand screw, right-hand screw internal thread, and match with left-handed double-screw bolt and dextrorotation double-screw bolt respectively.
Above-mentioned left and right end of revolving double-screw bolt is hierarchic structure, and can just be stuck on the radiator of IGCT; All have a screwed hole on left and right top of revolving double-screw bolt, this screwed hole is identical with screwed hole size on the radiator, and is on the same vertical curve, and an available double-screw bolt is separately fixed at left and right double-screw bolt on the radiator on both sides.
Described bispin nut is cylindrical, and the middle part is outstanding nut structure.
Beneficial effect of the present invention:
(1) of the present invention simple in structure.This provision for disengagement only comprises that two separate parts form, and brace summer and strut piece is convenient to change at any time and keep in repair like this.
(2) the present invention easy to use, laborsaving, save time.This provision for disengagement is earlier brace summer to be placed on TCA assembly below in use, and the TCA assembly is unloaded power, struts piece and is fixed on the radiator; Rotate the bispin nut then, revolve double-screw bolt about promotion, strut radiator, just begin dismounting then.Unloading process carries out under the complete discharge pressure assembling force like this, so unloading process is laborsaving, convenient and time-saving, compares safer with former provision for disengagement simultaneously.
(3) the required auxiliary equipment of unloading process is few.Provision for disengagement of the present invention and hydraulic detachment handler structure compared are simple, and unloading process is simplified greatly, only need rotate the bispin nut during dismounting, so auxiliary equipment are few.
(4) used simple, easy to make, the saving use cost of component structure of the present invention.
Description of drawings
Provision for disengagement below in conjunction with description of drawings a kind of converter valve IGCT of the present invention.
Fig. 1 is the front view of provision for disengagement that is placed with of the present invention a kind of converter valve IGCT of converter valve;
Fig. 2 is the vertical view of provision for disengagement that is placed with of the present invention a kind of converter valve IGCT of converter valve;
Fig. 3 is the front view of the provision for disengagement brace summer of a kind of converter valve IGCT of the present invention;
Fig. 4 is the vertical view of the provision for disengagement brace summer of a kind of converter valve IGCT of the present invention;
Fig. 5 struts the schematic diagram of piece for the provision for disengagement of a kind of converter valve IGCT of the present invention;
Fig. 6 struts the cutaway view of piece for the provision for disengagement of a kind of converter valve IGCT of the present invention;
Wherein: 1-struts piece, 2-brace summer, 3-IGCT, 4-radiator, 5-base, the left-handed double-screw bolt of 1.1-, 1.2-dextrorotation double-screw bolt, 1.3-bispin nut, 1.4-screwed hole.
The specific embodiment
Be described in detail below in conjunction with the provision for disengagement of drawings and Examples a kind of converter valve IGCT of the present invention.
As illustrated in fig. 1 and 2, the provision for disengagement of a kind of converter valve IGCT of the present invention comprises that a brace summer 2 and one group strut piece 1, brace summer 2 and to strut piece 1 separate.Shown in Fig. 3 and 4, brace summer 2 is that the cross section is leg-of-mutton aluminium beam, makes structure lighter.On its facade, end has circular hole, is fixed on the base 5.The horizontal plane of brace summer contacts with the bottom surface of radiator 4, and behind the removal pressure assembling force, brace summer plays support, positioning action to radiator.As illustrated in Figures 5 and 6, strutting piece 1 is made up of left-handed double-screw bolt 1.1, dextrorotation double-screw bolt 1.2 and bispin nut 1.3.Left-handed double-screw bolt 1.1 and dextrorotation double-screw bolt 1.2 structures are identical, its end is inversion " two ladders " structure, top just can be stuck on the radiator 4 of IGCT, and also have a screwed hole 1.4 and identical on double-screw bolt 1.1 and 1.2 tops with screwed hole size on the radiator 4, the position on same straight line, just available screw with about revolve double-screw bolt 1.1 and 1.2 and be separately fixed on the corresponding radiator 4; On the left-handed double-screw bolt 1.1 sinistral external thread is arranged, the dextrorotation external screw thread is arranged on the dextrorotation double-screw bolt 1.2.Bispin nut 1.3 integral body are cylindrical, and the middle part is outstanding " nut " structure.The both sides of bispin nut 1.3 have left-hand screw, right-hand screw internal thread, respectively with left-handed double-screw bolt 1.1 and dextrorotation double-screw bolt 1.2 on screw thread be complementary.
The core component that IGCT press-fits integrated TCA unit is to gang up IGCT and the IGCT radiator that is fitted in together.Be inlaid with the dish spring in metal end plate inside, be in the dish spring of compressive state, IGCT and IGCT radiator are forced together closely.By the stiction that pressure assembling force and pressure assembling force produced, IGCT press-fits integrated unit and forms an integral body.The effect of busbar is the conducting electric current, and metal end plate and insulation board form jointly, and IGCT press-fits the outside framework of integrated unit.
When dismantling IGCT with the present invention, it is to press-fit after integrated TCA unit (TCA, Thyristor Clamp Assembly) assembly unloads power at IGCT that brace summer 2 and strut piece 1 and be used, brace summer 2 must act on, for IGCT 3, radiator 4 provide support.During the unloading IGCT, revolve double-screw bolt 1.1 and 1.2 about turn bispin nut 1.3 promotes and strut radiator 4, thereby take out IGCT 3, realize dismantling, changing the function of IGCT 3, its unloading process is as follows:
(1) brace summer 2 is fixed on TCA assembly below;
(2) the TCA assembly unloads power, and radiator 4 is propped up by brace summer 2;
(3) strut piece 1 with two and be placed on radiator 4 upper surfaces respectively, rotation bispin nut 1.3 is fixed on radiator 4 upper surfaces (radiator 4 upper surfaces have with screwed hole 1.4 corresponding) with the left and right double-screw bolt 1.1 and 1.2 that revolves by screw to suitable distance;
(4) two bispin nuts 1.3 that strut piece 1 of rotation promote left and right double-screw bolt 1.1 and 1.2 of revolving, and strut radiator 4;
(5) take out and change IGCT 3, rotation bispin nut 1.3, removal struts piece 1;
(6) the TCA assembly is from new loading pressure assembling force, load finish after, removal brace summer 2, dismounting, replacing process are finished.
Can find from this dismounting and change process, the provision for disengagement of a kind of converter valve IGCT of the present invention, only comprise that two separate parts form, brace summer and strut piece, simple in structure, easy to make, be convenient to change at any time like this and keep in repair, save use cost.With this device dismounting IGCT is to carry out under the situation of complete discharge pressure assembling force, so unloading process is laborsaving, convenient and time-saving, compares safer with former provision for disengagement simultaneously.In addition, the required auxiliary equipment of unloading process is few.This provision for disengagement and hydraulic detachment handler structure compared are simple, and unloading process is simplified greatly, only need rotate the bispin nut during dismounting, so auxiliary equipment are few.
Present embodiment is a kind of example of the present invention, and not exclusive embodiment, and it will be conspicuous carrying out suitable replacement to one skilled in the art or revise under not departing from the scope of the present invention, and all will be within protection scope of the present invention.
Claims (4)
1. the provision for disengagement of a converter valve IGCT is characterized in that: this IGCT provision for disengagement comprises brace summer (2) and struts piece (1); Said brace summer (2) and the said piece (1) that struts are separate.
2. the provision for disengagement of a kind of converter valve IGCT as claimed in claim 1 is characterized in that: the said piece (1) that struts is made up of left-handed double-screw bolt (1.1), dextrorotation double-screw bolt (1.2) and bispin nut (1.3); Said bispin nut (1.3) matches with left-handed double-screw bolt (1.1) and dextrorotation double-screw bolt (1.2) respectively.
3. as the provision for disengagement of claim 1 and 2 described a kind of converter valve IGCTs, it is characterized in that: above-mentioned left and right end of revolving double-screw bolt (1.1,1.2) is hierarchic structure, and can be stuck on the IGCT radiator (4); All have a screwed hole (1.4) on left and right top of revolving double-screw bolt (1.1) and (1.2), this screwed hole (1.4) is big or small identical with the screwed hole (1.4) on the radiator (4), and be on the same vertical curve, an available double-screw bolt is separately fixed at left and right double-screw bolt (1.1) and (1.2) on the radiator (4) on both sides.
4. as the provision for disengagement of claim 1 and 2 described a kind of converter valve IGCTs, it is characterized in that: described bispin nut (1.3) is for cylindrical, and the middle part is outstanding nut structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110026521.0A CN102107416B (en) | 2011-01-25 | 2011-01-25 | Detaching device for thyristor of converter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110026521.0A CN102107416B (en) | 2011-01-25 | 2011-01-25 | Detaching device for thyristor of converter valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102107416A true CN102107416A (en) | 2011-06-29 |
| CN102107416B CN102107416B (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110026521.0A Active CN102107416B (en) | 2011-01-25 | 2011-01-25 | Detaching device for thyristor of converter valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN102107416B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400740A (en) * | 2014-12-12 | 2015-03-11 | 国家电网公司 | Thyristor replacement tool for vertically adjusting opening and closing of calipers |
| CN106392954A (en) * | 2016-11-01 | 2017-02-15 | 中车株洲电力机车研究所有限公司 | Replacement tool for press-fitting string devices |
| CN108206152A (en) * | 2018-01-04 | 2018-06-26 | 许继集团有限公司 | A kind of IGBT takes method and the IGBT of implementation this method takes device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0177045A1 (en) * | 1984-10-04 | 1986-04-09 | Westinghouse Electric Corporation | Bladder mandrel for hydraulic expansions of tubes and sleeves |
| CN200988195Y (en) * | 2006-12-11 | 2007-12-12 | 陈国栋 | Crank pin pull-out device |
| CN201446387U (en) * | 2009-06-30 | 2010-05-05 | 中国西电电气股份有限公司 | Remover for thyristor in converter valve assembly |
| CN201603987U (en) * | 2009-10-23 | 2010-10-13 | 河南奔马股份有限公司 | Dismounting device for thrust lever of liquid methane slag inlet/outlet machine |
| CN201998124U (en) * | 2011-01-25 | 2011-10-05 | 中国电力科学研究院 | Dismounting device for thyristor of convertor valve |
-
2011
- 2011-01-25 CN CN201110026521.0A patent/CN102107416B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0177045A1 (en) * | 1984-10-04 | 1986-04-09 | Westinghouse Electric Corporation | Bladder mandrel for hydraulic expansions of tubes and sleeves |
| CN200988195Y (en) * | 2006-12-11 | 2007-12-12 | 陈国栋 | Crank pin pull-out device |
| CN201446387U (en) * | 2009-06-30 | 2010-05-05 | 中国西电电气股份有限公司 | Remover for thyristor in converter valve assembly |
| CN201603987U (en) * | 2009-10-23 | 2010-10-13 | 河南奔马股份有限公司 | Dismounting device for thrust lever of liquid methane slag inlet/outlet machine |
| CN201998124U (en) * | 2011-01-25 | 2011-10-05 | 中国电力科学研究院 | Dismounting device for thyristor of convertor valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400740A (en) * | 2014-12-12 | 2015-03-11 | 国家电网公司 | Thyristor replacement tool for vertically adjusting opening and closing of calipers |
| CN104400740B (en) * | 2014-12-12 | 2016-04-06 | 国家电网公司 | The IGCT of vertical adjusting clamp opening and closing changes instrument |
| CN106392954A (en) * | 2016-11-01 | 2017-02-15 | 中车株洲电力机车研究所有限公司 | Replacement tool for press-fitting string devices |
| CN106392954B (en) * | 2016-11-01 | 2018-05-11 | 中车株洲电力机车研究所有限公司 | Press fitting string device replaces frock |
| CN108206152A (en) * | 2018-01-04 | 2018-06-26 | 许继集团有限公司 | A kind of IGBT takes method and the IGBT of implementation this method takes device |
| CN108206152B (en) * | 2018-01-04 | 2021-05-18 | 许继集团有限公司 | IGBT (insulated Gate Bipolar transistor) switching method and IGBT switching device for implementing same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102107416B (en) | 2015-04-29 |
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Owner name: STATE ELECTRIC NET CROP. Effective date: 20130508 |
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Effective date of registration: 20130508 Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant after: China Electric Power Research Institute Applicant after: State Grid Corporation of China Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant before: China Electric Power Research Institute |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Luan Hongzhou Inventor after: Qu Haitao Inventor after: Zhang Sheng Inventor before: Qu Haitao Inventor before: Zhang Sheng Inventor before: Luan Hongzhou |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 15, Qinghe Xiaoying East Road, Haidian District, Beijing Co-patentee after: State Grid Corporation of China Patentee after: China Electric Science Research Institute Co., Ltd. Address before: No. 15, Qinghe Xiaoying East Road, Haidian District, Beijing Co-patentee before: State Grid Corporation of China Patentee before: China Electric Power Research Institute |