CN203846786U - Nuclear power containment upper end socket and lower end socket assembly jig frame structure - Google Patents

Nuclear power containment upper end socket and lower end socket assembly jig frame structure Download PDF

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Publication number
CN203846786U
CN203846786U CN201420173437.0U CN201420173437U CN203846786U CN 203846786 U CN203846786 U CN 203846786U CN 201420173437 U CN201420173437 U CN 201420173437U CN 203846786 U CN203846786 U CN 203846786U
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CN
China
Prior art keywords
column
support
socket
support column
supporting rod
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Expired - Fee Related
Application number
CN201420173437.0U
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Chinese (zh)
Inventor
周大杰
刘旭东
殷国东
沈鏖
徐航
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Shenyang Industrial Installation Engineering Co Ltd
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Shenyang Industrial Installation Engineering Co Ltd
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Priority to CN201420173437.0U priority Critical patent/CN203846786U/en
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Publication of CN203846786U publication Critical patent/CN203846786U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a nuclear power containment upper end socket and lower end socket assembly jig frame structure which comprises a lower support column support structure arranged annularly and a center column arranged at the annular center position. The lower support column support structure comprises a transverse pull rod, an inclined pull rod and support columns. The support columns are composed of an upper support column and a lower support column. The lower support column is of a hydraulic lifting structure, the transverse pull rod is connected with the two adjacent support columns, and the inclined pull rod is connected with the two adjacent support columns in a diagonal mode. The center column is divided into an upper section and a lower section which are connected through a bolt, a plurality of connection lifting lugs are arranged on the upper section of the center column, a base plate of the lower section of the center column is welded with a ground embedded part, and stability is ensured. The frame structure has the advantages of being capable of meeting the requirement for safety casing construction, the center column is adopted to adjust a casing plate, and the adjusting is convenient and effective. Meanwhile, the support column support structure is simple and efficient, and a large amount of time cost and economical cost can be saved.

Description

Low head assembling jig frame structure on a kind of Nuclear Safety shell
Technical field
The utility model relates to industrial mounting technique field, is a kind of nuclear power housing assemble method and jig structure specifically.
Background technology
CV containment is made up of bottom (head), bottom cylindrical shell, middle cylinder, top cylindrical shell and the large assembly of cover head 5, and material is SA738GrB.The main difficult point of installing is in the assembling of upper low head, and upper low head internal diameter is 39624mm, height 11468mm, and the about 575T of each end socket, by 4 band compositions, every band Spherical Tank Shell Plates quantity is followed successively by 2,6,24 and 32, the about 10.5T of maximum veneer weight.Because end socket diameter is large, Spherical Tank Shell Plates quantity is many, adopts in the past assembled moulding bed assemble method, uses some supporting legs, mesa-shaped to reticulate support, then the coverboard of containment is spliced on moulding bed, utilizes the ball pivot adjuster on support to adjust coverboard attitude, completes installation.The moulding bed complexity of this method, exists that difficulty of construction is large, the cycle is long, high cost shortcoming, and adjusting device is because plate is overweight, often occurs regulating difficulty, the situation that even cannot regulate.Similar technology is the assembled moulding bed of a kind of AP1000 nuclear power dome as Chinese Patent Application No. 201320240731.4 discloses, and comprises the concrete foundation along whole circumferential arrangement that supports the inner ring column along whole circumferential arrangement of dome ring beam, the outer ring column along whole circumferential arrangement that supports dome radial girders one end, the support dome radial girders other end.Inner ring column and outer ring column form by two sections vertically, after dome body is assembled, the upper semisection of inner ring column and outer ring column are removed, and inner ring column is connected by supporting bracket with the lower semisection of outer ring column; Supporting bracket is connected with dome module.This technology adopts double-deck column, and cost is high, complex structure.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide low head assemble method and jig structure on a kind of Nuclear Safety shell, and concrete technical scheme is as follows:
Low head assembling jig frame structure on a kind of Nuclear Safety shell, comprise annular the lower supporting rod braced structures arranging and the central post that is arranged on annular center position, described lower supporting rod braced structures comprises drag link, diagonal member, support column, and described support column is made up of lower supporting rod, upper supporting column; Described lower supporting rod is hydraulic lifting structure, and described drag link connects two adjacent support columns, and described diagonal member is diagonal angle form with two adjacent support columns and is connected; Described central post divides two sections, with bolts, and upper central post arranges multiple connection hangers, and lower end mat and ground slugging ensure stability.
Described support column quantity is 16.
Described connection hanger quantity is 24.
The utility model has the advantages that: the utility model can meet the requirement of containment construction, the mode of employing central post adjusting coverboard can be more convenient effective, and shore supports structure is more simple efficient simultaneously, can save a large amount of time costs and financial cost.
Brief description of the drawings
Fig. 1 is containment structure schematic diagram;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is annular lower supporting rod braced structures;
Rod structure centered by Fig. 4;
Fig. 5 is equatorial zone scheme of installation;
Fig. 6 is lower temperate zone scheme of installation;
Fig. 7 is lower frigid zone scheme of installation;
Fig. 8 is transport schematic diagram;
Fig. 9 is upper cover equatorial zone scheme of installation;
In figure, 1 is equatorial zone, 2 upper temperature zones, 3 is upper frigid zone, and 4 is upper utmost point band, and 5 is lower temperate zone, 6 is lower frigid zone, and 7 is lower utmost point band, and 8 is annular lower supporting rod braced structures, 81 is upper supporting column, and 82 is lower supporting rod, and 83 is drag link, 84 is diagonal member, post centered by 9, and 91 for connecting hanger, 92 is bolt, and 101 is hoist cable, and 811 is backing plate.
Detailed description of the invention
Illustrate the utility model below in conjunction with accompanying drawing, as shown in Figure 1, housing can be divided into following components: upper cover is equatorial zone, upper temperature zone, upper frigid zone, upper utmost point band, and low head is equatorial zone, lower temperate zone, lower frigid zone, lower utmost point band; As shown in Figure 2, the housing of the equal oily varying number of each band composition;
As shown in Figure 3 and Figure 4, jig structure comprises annular the lower supporting rod braced structures arranging and the central post that is arranged on annular center position, and described lower supporting rod braced structures comprises drag link, diagonal member, support column, and described support column is made up of lower supporting rod, upper supporting column; Described lower supporting rod is hydraulic lifting structure, and described drag link connects two adjacent support columns, and described diagonal member is diagonal angle form with two adjacent pillars and is connected; Described central post divides two sections, with bolts, and upper central post arranges multiple rigidity adjusting yokes and connects hanger, and lower end mat and ground slugging ensure stability.Central post segment design can make the amount of deflection of steel column reduce, and is convenient to remove simultaneously.
In the present embodiment, described support column quantity is 16, and described connection hanger quantity is 24.According to different housing quantity, can make the appropriate adjustments.
As shown in Figure 5-Figure 8, the main construction process of low head comprises:
The annular lower supporting rod braced structures of 1.1 assembling.Stone bolt is set on stanchion base, and pillar lower bolster is opened slotted hole, is convenient to adjust pillar position, uses sky to hang and erects pillar cylinder lever connecting rod, forms closed loop cirque structure.
1.2 erect central post.Erect central post at annular brace center.Central post divides two sections, with bolts, and upper central post arranges 24 dilatory ropes and connects hanger, and lower end mat and ground slugging, ensure stability.
1.3 unwrapping wire.Total powerstation is set at the scene, measures pillar position and adjust pillar position by the tight knot on pull bar, behind location, pillar lower bolster is welded fixing.
1.4 groups to equatorial zone.First be assembled with the coverboard of pier construction, then insert without pillar coverboard, and use locating piece locking, to gap, repeat above step by the chock adjustment group on locating piece, until leukorrhea with bloody discharge closure.
1.5 groups to lower temperate zone.Use sky to hang lower temperate zone coverboard is lifted into precalculated position, connect dilatory rope between lower temperate zone coverboard and central post, adjust coverboard angle with Chain block, after putting in place, be connected with equatorial zone with locating piece.After first coverboard is in place, the coverboard of adjacent position is installed, is adopted the method identical with first, be in placely connected with equatorial zone and lastblock coverboard afterwards.Repeat above step, until lower temperate zone closure.
1.6 remove the dilatory rope of lower temperate zone.After lower temperate zone closure, by adjusting the chock on locating piece, adjustment group, to gap, is all drawn rope in qualified rear dismounting lower temperate zone.
1.7 groups to the dilatory rope in lower frigid zone and dismounting lower frigid zone.Assemble method is identical with lower temperate zone.
1.8 remove central post.After lower frigid zone is installed and finished, by central post dismounting, divide two sections and hang dismounting with sky.
1.9 groups to bottom crown.After central post is removed, using sky to hang bottom crown hoisted in position, with the Chain block adjustment on lifting rope, is to lock with locating piece after putting in place.Same method is installed another piece bottom crown.
1.10 check assembled size, tune seam.After overall package is in place, check integral assembling size, by the chock adjustment group on locating piece to gap, appearance and size, qualified rear preparation welding.
1.11 considerations about transport.As Fig. 8, black round dot is expressed as the pillar with hydraulic structure, after integral solder finishes, utilize hydraulic means to remove on these four pillars, ensure that haulage vehicle enters, in figure, arrow represents haulage vehicle and support approach axis, connection transportation support afterwards, jacking end socket, removes all the other pillars, transport.
The main construction process of 2 upper cover
Adopt annular pillar and the central post identical with low head pillar, comprise the steps:
1) group is to equatorial zone; As shown in Figure 9, group is to the front backing plate with the identical material of coverboard with the welding of coverboard inner side under the line, on backing plate, weld afterwards upper supporting column, the equatorial zone coverboard that has welded upper supporting column is installed on lower supporting rod, the equator zone plate of adjacent struts is installed again, the middle not equator zone plate with upper supporting column of finally pegging graft, and, location fastening by locating piece, repeat above step, until equatorial zone closure.On pillar, separately establish inclined support structure, can help coverboard location, equatorial zone and anti-deformation.
2) assembling upper temperature zone, upper frigid zone and top crown; Assembling mode is identical with low head, hangs with dilatory coordinating of restricting and locates with sky, adjusts assembly clearance by the chock of locating piece.

Claims (3)

1. low head assembling jig frame structure on a Nuclear Safety shell, comprise annular the lower supporting rod braced structures arranging and the central post that is arranged on annular center position, described lower supporting rod braced structures comprises drag link, diagonal member, support column, and described support column is made up of lower supporting rod, upper supporting column; Described lower supporting rod is hydraulic lifting structure, and described drag link connects two adjacent support columns, and described diagonal member is diagonal angle form with two adjacent support columns and is connected; Described central post divides two sections, with bolts, and upper central post arranges multiple connection hangers, lower end mat and ground slugging.
2. structure according to claim 1, is characterized in that: described support column quantity is 16.
3. structure according to claim 1, is characterized in that: described connection hanger quantity is 24.
CN201420173437.0U 2014-04-11 2014-04-11 Nuclear power containment upper end socket and lower end socket assembly jig frame structure Expired - Fee Related CN203846786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420173437.0U CN203846786U (en) 2014-04-11 2014-04-11 Nuclear power containment upper end socket and lower end socket assembly jig frame structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420173437.0U CN203846786U (en) 2014-04-11 2014-04-11 Nuclear power containment upper end socket and lower end socket assembly jig frame structure

Publications (1)

Publication Number Publication Date
CN203846786U true CN203846786U (en) 2014-09-24

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104763156A (en) * 2015-04-01 2015-07-08 中国核工业华兴建设有限公司 Assembling method of steel safety housing bottom seal head of nuclear power plant
CN106013815A (en) * 2016-05-24 2016-10-12 中国核工业二三建设有限公司 Installation tool and method for short supporting legs of bottom head of steel containment vessel of nuclear power station
CN106141476A (en) * 2016-07-22 2016-11-23 中国化学工程第三建设有限公司 A kind of super-large diameter is without the assemble method of ribbed stiffener thin-wall semi top seal closure
CN107345452A (en) * 2017-06-30 2017-11-14 中国核工业第五建设有限公司 Steel containment vessel of nuclear power station cover head assembles support
CN107507658A (en) * 2017-06-30 2017-12-22 中国核工业第五建设有限公司 The assembling and transportation resources of steel containment vessel of nuclear power station cover head
CN108071234A (en) * 2017-12-18 2018-05-25 中国冶集团有限公司 A kind of assemble method of large size Hydrogenation reactor spherical tank
CN108862071A (en) * 2018-08-22 2018-11-23 山东核电设备制造有限公司 A kind of metal containment hoist cable method for dismounting
CN109629594A (en) * 2018-12-29 2019-04-16 国家电网有限公司 Foundation bolt alignment device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104763156A (en) * 2015-04-01 2015-07-08 中国核工业华兴建设有限公司 Assembling method of steel safety housing bottom seal head of nuclear power plant
CN106013815A (en) * 2016-05-24 2016-10-12 中国核工业二三建设有限公司 Installation tool and method for short supporting legs of bottom head of steel containment vessel of nuclear power station
CN106013815B (en) * 2016-05-24 2019-07-09 中国核工业二三建设有限公司 The short supporting leg mounting tool of steel containment vessel of nuclear power station bottom (head) and installation method
CN106141476A (en) * 2016-07-22 2016-11-23 中国化学工程第三建设有限公司 A kind of super-large diameter is without the assemble method of ribbed stiffener thin-wall semi top seal closure
CN106141476B (en) * 2016-07-22 2018-06-29 中国化学工程第三建设有限公司 A kind of assemble method of super-large diameter without ribbed stiffener thin-wall semi top seal closure
CN107507658A (en) * 2017-06-30 2017-12-22 中国核工业第五建设有限公司 The assembling and transportation resources of steel containment vessel of nuclear power station cover head
CN107507658B (en) * 2017-06-30 2020-01-31 中国核工业第五建设有限公司 Assembling method of steel containment vessel top head of nuclear power station
CN107345452A (en) * 2017-06-30 2017-11-14 中国核工业第五建设有限公司 Steel containment vessel of nuclear power station cover head assembles support
CN107345452B (en) * 2017-06-30 2020-01-21 中国核工业第五建设有限公司 Nuclear power station steel containment vessel top head assembling support
CN108071234A (en) * 2017-12-18 2018-05-25 中国冶集团有限公司 A kind of assemble method of large size Hydrogenation reactor spherical tank
CN108862071A (en) * 2018-08-22 2018-11-23 山东核电设备制造有限公司 A kind of metal containment hoist cable method for dismounting
CN109629594A (en) * 2018-12-29 2019-04-16 国家电网有限公司 Foundation bolt alignment device

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140924

Termination date: 20160411

CF01 Termination of patent right due to non-payment of annual fee