CN204254201U - A kind of support device for the heat treated electric heater of circular seam local - Google Patents
A kind of support device for the heat treated electric heater of circular seam local Download PDFInfo
- Publication number
- CN204254201U CN204254201U CN201420719144.8U CN201420719144U CN204254201U CN 204254201 U CN204254201 U CN 204254201U CN 201420719144 U CN201420719144 U CN 201420719144U CN 204254201 U CN204254201 U CN 204254201U
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- CN
- China
- Prior art keywords
- support device
- crossbeam
- electric heater
- locating piece
- positioning disk
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Abstract
The utility model discloses a kind of support device for circular seam local heat treatment electric heater, this support device comprises adjustable support and fixed support device, wherein, adjustable support comprises supporting frame from outside to inside successively, connecting plate and flower basket bolt, wherein, the lateral ends of described flower basket bolt is fixedly connected with supporting frame by connecting plate, described supporting frame contacts with the inwall of electric heater, fixed support device comprises locating piece, crossbeam and positioning disk, in each end of described crossbeam, a locating piece is all set, crossbeam is fixed on the lower end side-walls of hydroecium dividing plate by described locating piece, crossbeam arranges positioning disk, described positioning disk is flexibly connected with the inner opposite end of flower basket bolt by being arranged on the positioning hole on positioning disk.This support device overall structure is simple, is easy to manufacture, and low cost of manufacture, easy to operate, safe and reliable, in addition, this support device has detachable and length-adjustable feature, meets the steam generator lower seal head of different size.
Description
Technical field
The utility model belongs to nuclear power field, especially, relates to a kind of support device for electric heater, especially, relates to a kind of support device for the heat treated electric heater of circular seam local.
Background technique
Steam generator (SG) utilizes the heat energy of fuel or other energy that water is heated as the machinery of hot water or steam, is one of capital equipment in nuclear island of nuclear power station; Tube sheet gets out the hole equally more bigger than tube outer diameter on circular steel plate, penetrated to weld by pipe and fix, and plays a kind of accessory of effect like this.
In the manufacture of nuclear steam generator, after steam generator lower seal head and tube sheet carry out girth welding, need to heat-treat.Due to the requirement in the restriction of steam generator product structure and manufacturing process, only carry out diffusion zone to eliminate weld residual stress, the performance of restorer.But because steam generator lower seal head diameter is large, closely, easily there is the uneven phenomenon of heating and cause the problems such as thermal stress in heat transfer complex distribution for the butt weld formed and tube sheet distance.Therefore, need the heat treatment of steam generator structure.A circle electric heater is close in inner side by dock circumferential weld with tube sheet at steam generator lower seal head, thus carries out postweld heat treatment.
Wherein, electric heater is a kind of bent rectangular structure, and length is 300 ~ 800mm, and width is 100 ~ 400mm, and thickness is about 40mm, and docks the internal diameter Φ 4000mm of circumferential weld.
But steam generator lower seal head various places inside does not exist any strong point for fixing electric heater, in addition, the inside of steam generator lower seal head does not allow carry out extra welding and produce any cut.
Therefore, need a kind of support device badly can by firmly fixing inside the butt weld of electric heater and steam generator lower seal head and tube sheet and easy accessibility, thus make to weld carrying out smoothly of rear localized heat treatment process.
Model utility content
In order to solve the problem, present inventor has performed and study with keen determination, found that: the lower end fixed installation fixed support device of the hydroecium dividing plate in steam generator lower seal head, this fixed support device is flexibly connected with the inner opposite end of adjustable support, the lateral ends of adjustable support and electric heater close contact, the circumferential weld place of docking that electric heater and steam generator lower seal head and tube sheet are formed fits tightly, ensure that docking circumferential weld in electric heater heating process is heated evenly, thus complete the utility model.
The purpose of this utility model is a kind of support device for circular seam local heat treatment electric heater provided, this support device comprises adjustable support 1 and fixed support device 2, described fixed support device 2 is positioned at the lower end side-walls of hydroecium dividing plate 31, described adjustable support 1 is between fixed support device 2 and electric heater 4, wherein
Adjustable support 1 comprises supporting frame 11, connecting plate 12 and flower basket bolt 13 from outside to inside successively, and wherein, the lateral ends of described flower basket bolt 13 is fixedly connected with supporting frame 11 by connecting plate 12, and described supporting frame 11 contacts with electric heater 4,
Fixed support device 2 comprises locating piece 21, crossbeam 22 and positioning disk 24, wherein, in each end of described crossbeam 22, a locating piece 21 is all set, crossbeam 22 is fixed on the lower end side-walls of hydroecium dividing plate 31 by described locating piece 21, crossbeam 22 arranges positioning disk 24, and described positioning disk 24 is flexibly connected with the inner opposite end of flower basket bolt 13 by the positioning hole 241 be arranged on positioning disk 24.
Another object of the present utility model is to provide a kind of using method of the support device for circular seam local heat treatment electric heater provided according to the utility model, and the method comprises the following steps:
1) by fixed support device) the lower end side-walls of hydroecium dividing plate 31 is fixed on by the locating piece 21 being positioned at the end of fixed support device 2;
2) inner opposite end of adjustable support 1 is flexibly connected with the positioning disk 24 in fixed support device 2, regulates the flower basket bolt in adjustable support 1, the supporting frame 11 in adjustable support 1 is contacted with electric heater 4.
A kind of support device for circumferential weld heat treatment electric heater that the utility model provides, has the following advantages:
1) this support device overall structure is simple, is easy to manufacture, and low cost of manufacture, in addition, this support device is easy to operate;
2) this support device adopts mechanical connection manner, has feature that is detachable and adjustable in length;
3) the overall structure uniform force of this support device, supporting and location is safe and reliable.
Accompanying drawing explanation
Fig. 1 illustrates and looks up structural representation according to the support device of a kind of preferred implementation of the utility model;
Fig. 2 illustrates the cross-sectional view of the support device according to a kind of preferred implementation of the utility model;
Fig. 3 illustrates the structural representation of the adjustable support according to a kind of preferred implementation of the utility model;
Fig. 4 illustrates the main TV structure schematic diagram of the supporting frame according to a kind of preferred implementation of the utility model;
Fig. 5 illustrates the main TV structure schematic diagram of the fixed support device according to a kind of preferred implementation of the utility model;
Fig. 6 illustrates the plan structure schematic diagram of the fixed support device according to a kind of preferred implementation of the utility model;
Fig. 7 illustrates the plan structure schematic diagram of the first crossbeam according to a kind of preferred implementation of the utility model;
Fig. 8 illustrates the plan structure schematic diagram of the second cross beam according to a kind of preferred implementation of the utility model.
Drawing reference numeral
1-adjustable support
11-supporting frame
12-connecting plate
13-flower basket bolt
2-fixed support device
21-locating piece
22-crossbeam
221-first crossbeam
222-first locates isolating plate
223-second cross beam
224-second locates isolating plate
23-crossbeam locating piece
231-crossbeam positioning plate
232-transom bolt
233-crossbeam nut
24-positioning disk
241-positioning hole
3-steam generator lower seal head
31-hydroecium dividing plate
4-electric heater
5-tube sheet
Embodiment
Be described in detail below by the utility model, feature of the present utility model and advantage will illustrate along with these and become more clear, clear and definite.
According to one side of the present utility model, a kind of support device for the heat treated electric heater of circular seam local is provided, this support device comprises adjustable support 1 and fixed support device 2, wherein, described fixed support device 2 is positioned at the lower end side-walls of hydroecium dividing plate 31, especially, two fixed support devices 2 are symmetrical about hydroecium dividing plate 31, and described adjustable support 1 is between fixed support device 2 and electric heater 4.
In a preferred embodiment, as depicted in figs. 1 and 2, described support device comprises multiple adjustable support 1 and two fixed support devices 2, wherein, two fixed support devices 2 lay respectively at two, the left and right side-walls of the lower end of hydroecium dividing plate 31, and each adjustable support 1 is all between fixed support device 2 and electric heater 4.
According to the utility model, the lower end of described hydroecium dividing plate 31 is on the part hydroecium dividing plate 31 of the port being positioned at steam generator lower seal head 3.
In described adjustable support 1, as shown in Figure 3, this device comprises supporting frame 11, connecting plate 12 and flower basket bolt 13 from outside to inside successively.
In above-mentioned adjustable support 1, the lateral ends of described flower basket bolt 13 is fixedly connected with supporting frame 11 by connecting plate 12, and described supporting frame 11 contacts with the inwall of electric heater 4.
According to the utility model, described electric heater 4 is positioned at the inside of steam generator lower seal head 3, and electric heater 4 is positioned at the weld joint that steam generator lower seal head 3 is formed with tube sheet.
According to the utility model, because flower basket bolt 13 can regulate length, therefore, adjustable supporting device 1 can meet the steam generator lower seal head varied in size.According to the actual requirements, the kind of flower basket bolt 13 can be selected.Especially, flower basket bolt is UU type flower basket bolt, and this UU spends the adjustable length of blue bolt.
According to the utility model, according to the actual requirements, the structure of supporting frame 11, material and size can be selected.
In a preferred embodiment, as shown in Figure 4, described supporting frame 11 is in I-shaped structure, and this supporting frame 11 is formed with the steel-pipe welding being connected two round steel by two round steel be parallel to each other.
The supporting frame in I-shaped structure provided in above-mentioned preferred implementation is provided, under the prerequisite not affecting using effect, farthest optimizes and alleviate structure and the weight of supporting frame self.
In described fixed support device 2, as shown in Figure 5 and Figure 6, this device comprises locating piece 21, crossbeam 22 and positioning disk 24.
In above-mentioned fixed support device, described crossbeam 22 is positioned at the lower end side-walls of hydroecium dividing plate 31, and described crossbeam 22 arranges positioning disk 24.
Especially, described positioning disk 24 is positioned at the center portion of crossbeam 22.
In a preferred embodiment, as shown in Figure 5, positioning disk 24 is semicircular structure, arranges positioning hole 241 in the edge of positioning disk 24.
According to the utility model, the number of positioning hole 241 does not limit especially, according to the actual requirements, can determine the number of positioning hole 241.Especially, the number of the positioning hole 241 on positioning disk 24 is identical with the number of adjustable support 1.
In above-mentioned fixed support device, all arrange a locating piece 21 in each end of described crossbeam 22, this locating piece 21 can regulate crossbeam 22 in the position of the inside of steam generator lower seal head 3 and make crossbeam 22 be fixed on the inside of steam generator lower seal head 3.
Especially, each locating piece 21 described is all positioned on the surface in the outside of crossbeam 22.
According to the utility model, the inner opposite end of the flower basket bolt 13 in each adjustable support 1 is flexibly connected with fixed support device 2 by the positioning hole 241 on positioning disk 24, especially, the inner opposite end of flower basket bolt 13 is flexibly connected with the positioning disk 24 in fixed support device 2 by bolt.
According to the utility model, the adjustable support 1 being positioned at hydroecium dividing plate homonymy is flexibly connected with fixed support device 2.
Due between flower basket bolt 13 with fixed support device 2 for being flexibly connected, therefore can according to the actual requirements, regulate the angle between any two adjacent adjustable supports, thus adjustable support rotated round positioning disk 24 on the whole.
In above-mentioned fixed support device, the length of described crossbeam 22 is slightly smaller than the diameter of the cross section of the steam generator lower seal head 3 of installed position.
In a preferred embodiment, locating piece 21 comprises jackscrew and set screw nut, and wherein, all fixedly mount set screw nut in each end of crossbeam 22, described jackscrew is connected with crossbeam 22 by set screw nut.
Due to the locating piece 21 arranged in each end of crossbeam 22, thus achieve the radial location effect of fixed support device 2 in the inside of steam generator lower seal head 3.
In a preferred embodiment, as shown in Figure 5 and Figure 6, described crossbeam 22 comprises first crossbeam 221 and second cross beam 223, wherein, described first crossbeam 221 is located on the same line with second cross beam 223, and first crossbeam 221 is fixedly connected with by crossbeam locating piece 23 with second cross beam 223.
Especially, arrange two first crossbeams 221 and a second cross beam 223, wherein, each first crossbeam 221 is all fixedly connected with second cross beam by crossbeam locating piece 23, and first crossbeam 221 and second cross beam 223 are all located on the same line.
According to the utility model, according to the size of the actual size of steam generator lower seal head, the length of crossbeam 22 is set, according to actual conditions, the length of first crossbeam 221 and second cross beam 223 is set.
In a preferred embodiment, as shown in Figure 5, described crossbeam locating piece 23 comprises crossbeam positioning plate 231, transom bolt 232 and crossbeam nut 233, and wherein, described crossbeam positioning plate 231 is fixedly connected with second cross beam 223 with first crossbeam 221 with crossbeam nut 233 by transom bolt 232.
In a preferred embodiment, as shown in Figure 7 and Figure 8, the first location isolating plate 222 and the second location isolating plate 224 is set on the inner surface of first crossbeam 221 and on the inner surface of second cross beam 223 respectively.
Due to the setting of the first location isolating plate 222 and the second location isolating plate 224, not only make fixed support device 2 and hydroecium dividing plate 31 accurately to locate, and fixed support device 2 and hydroecium dividing plate 31 can effectively be isolated.
In a preferred embodiment, described first crossbeam 221 and second cross beam 223 all select channel-section steel, and described first location isolating plate 222 and the second location isolating plate 224 all select corrosion resistant plate.
Especially, first crossbeam 221 and first is located isolating plate 222 and is formed integrative-structure by welding, and second cross beam 223 and second is located isolating plate 224 and formed integrative-structure by welding.
According to the utility model, according to the actual requirements, the number of the first location isolating plate 222 and the second location isolating plate 224 can be set.
According to the utility model, support device and steam generator lower seal head 3 and tube sheet 5 connecting part parts are all selected and are prepared by stainless steel material.
According to the utility model, before the support device that fixed installation the utility model provides, effectively should clean all parts.
According to the utility model, the length adjusting range of each adjustable support is 1020 ~ 1058mm, according to the actual size of steam generator lower seal head, can regulate the flower basket bolt in adjustable support.
Comprehensive, the integrated support point of the support device for circular seam local heat treatment electric heater that the utility model provides drops on the hydroecium dividing plate of steam generator lower seal head, adjustable support radially distributes round fixed support device, therefore, the overall uniform force of this support device, and safe and reliable.
In addition, the support device for circular seam local heat treatment electric heater that the utility model provides has dismountable feature, and the length of the adjustable support in this support device has adjustable feature, therefore, the size restriction solved due to steam generator lower seal head makes support device cannot hard-wired problem, in addition, this support device can be re-used in the steam generator lower seal head varied in size, and farthest reduces user cost.
According to another aspect of the present utility model, provide the using method of the support device for circular seam local heat treatment electric heater provided by the utility model, the method comprises following two steps:
Step one, fixed support device 2 is fixed on the inside of steam generator lower seal head 3 by the locating piece 21 being positioned at the end of fixed support device 2.
In above-mentioned steps one, the nut that locating piece comprises jackscrew and arranges on the securing means.
In above-mentioned steps one, two, the left and right of hydroecium dividing plate sidewall all arranges fixed support device, wherein, make the crossbeam in fixed support device be positioned at the lower end side-walls of hydroecium dividing plate.
Step 2, the inner opposite end of adjustable support 1 to be flexibly connected with fixed support device 2, and the supporting frame 11 in adjustable support 1 is contacted with electric heater 4.
In above-mentioned steps two, adjustable support is UU type flower basket bolt, then the inner opposite end of UU type flower basket bolt is flexibly connected with the positioning disk in fixed support device, especially, bolt is passed positioning hole thus the inner opposite end of UU type flower basket bolt is flexibly connected with positioning disk.
In above-mentioned steps two, described electric heater 4 is positioned at the inside of steam generator lower seal head 3, and be positioned at that steam generator lower seal head 3 formed with tube sheet 5 dock circumferential weld place.
In above-mentioned steps two, adjustment flower basket bolt that can be suitable, makes the supporting frame and the electric heater close contact that are arranged in adjustable support, thus is fixedly secured by electric heater at docking circumferential weld place.
More than in conjunction with embodiment and exemplary example, the utility model has been described in detail, but these explanations can not be interpreted as restriction of the present utility model.It will be appreciated by those skilled in the art that when not departing from the utility model spirit and scope, can carry out multiple equivalencing, modification or improvement to technical solutions of the utility model and mode of execution thereof, these all fall in scope of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (9)
1. the support device for circular seam local heat treatment electric heater, this support device comprises adjustable support (1) and fixed support device (2), described fixed support device (2) is positioned at the lower end side-walls of hydroecium dividing plate (31), described adjustable support (1) is positioned between fixed support device (2) and electric heater (4), wherein
Adjustable support (1) comprises supporting frame (11), connecting plate (12) and flower basket bolt (13) from outside to inside successively, wherein, the lateral ends of described flower basket bolt (13) is fixedly connected with supporting frame (11) by connecting plate (12), described supporting frame (11) contacts with electric heater (4)
Fixed support device (2) comprises locating piece (21), crossbeam (22) and positioning disk (24), wherein, a locating piece (21) is all set in each end of described crossbeam (22), crossbeam (22) is fixed on the lower end side-walls of hydroecium dividing plate (31) by described locating piece (21), crossbeam (22) arranges positioning disk (24), and described positioning disk (24) is flexibly connected with the inner opposite end of flower basket bolt (13) by the positioning hole (241) be arranged on positioning disk (24).
2. support device according to claim 1, wherein, described support device comprises multiple adjustable support (1) and two fixed support devices (2), two fixed support devices (2) lay respectively at two, the left and right side-walls of the lower end of hydroecium dividing plate (31), and each adjustable support (1) is all positioned between fixed support device (2) and electric heater (4).
3. support device according to claim 1 and 2, wherein, described locating piece (21) comprises jackscrew and set screw nut, wherein, all fixedly mount set screw nut in each end of crossbeam (22), jackscrew is connected with crossbeam (22) by set screw nut.
4. the support device according to any one of claims 1 to 3, wherein, described positioning disk (24) is semicircular structure, arranges positioning hole (241) in the edge of positioning disk (24).
5. the support device according to any one of Claims 1 to 4, wherein, described crossbeam (22) comprises first crossbeam (221) and second cross beam (223), wherein, described first crossbeam (221) is fixedly connected with by crossbeam locating piece (23), and described first crossbeam (221) and second cross beam (223) are located on the same line.
6. support device according to claim 5, wherein,
Described crossbeam locating piece (23) comprises crossbeam positioning plate (231), transom bolt (232) and crossbeam nut (233), and crossbeam positioning plate (231) is fixedly connected with second cross beam (223) with first crossbeam (221) with crossbeam nut (233) by transom bolt (232).
7. the support device according to claim 5 or 6, wherein,
First location isolating plate (222) and the second location isolating plate (224) are set on the inner surface of described first crossbeam (221) and on the inner surface of second cross beam (223) respectively.
8. the support device according to any one of claim 1 ~ 7, wherein, described supporting frame (11) is in I-shaped structure.
9. the support device according to any one of claim 1 ~ 8, wherein, described flower basket bolt (13) is UU type flower basket bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719144.8U CN204254201U (en) | 2014-11-25 | 2014-11-25 | A kind of support device for the heat treated electric heater of circular seam local |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719144.8U CN204254201U (en) | 2014-11-25 | 2014-11-25 | A kind of support device for the heat treated electric heater of circular seam local |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204254201U true CN204254201U (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420719144.8U Withdrawn - After Issue CN204254201U (en) | 2014-11-25 | 2014-11-25 | A kind of support device for the heat treated electric heater of circular seam local |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204254201U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456002A (en) * | 2014-11-25 | 2015-03-25 | 哈电集团（秦皇岛）重型装备有限公司 | Supporting device of electric heater for circular seam local heat treatment |
| CN105364348A (en) * | 2015-11-27 | 2016-03-02 | 安徽马钢工程技术集团有限公司 | Welding preheating device and application thereof |
-
2014
- 2014-11-25 CN CN201420719144.8U patent/CN204254201U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456002A (en) * | 2014-11-25 | 2015-03-25 | 哈电集团（秦皇岛）重型装备有限公司 | Supporting device of electric heater for circular seam local heat treatment |
| CN105364348A (en) * | 2015-11-27 | 2016-03-02 | 安徽马钢工程技术集团有限公司 | Welding preheating device and application thereof |
| CN106514075A (en) * | 2015-11-27 | 2017-03-22 | 安徽马钢工程技术集团有限公司 | Application of welding preheating device |
| CN106624491A (en) * | 2015-11-27 | 2017-05-10 | 安徽马钢工程技术集团有限公司 | Welding preheating device adopting bolt adjustment |
| CN105364348B (en) * | 2015-11-27 | 2017-07-28 | 安徽马钢工程技术集团有限公司 | One kind welding preheating device |
| CN106514075B (en) * | 2015-11-27 | 2017-12-15 | 安徽马钢工程技术集团有限公司 | A kind of application for welding preheating device |
| CN106624491B (en) * | 2015-11-27 | 2018-08-24 | 马钢集团设计研究院有限责任公司 | A kind of welding preheating device that bolt is adjusted |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150408 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |