CN103883132B - Low head assemble method and jig structure on a kind of Nuclear Safety shell - Google Patents
Low head assemble method and jig structure on a kind of Nuclear Safety shell Download PDFInfo
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- CN103883132B CN103883132B CN201410143778.8A CN201410143778A CN103883132B CN 103883132 B CN103883132 B CN 103883132B CN 201410143778 A CN201410143778 A CN 201410143778A CN 103883132 B CN103883132 B CN 103883132B
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Abstract
The present invention discloses low head assemble method and jig structure on a kind of Nuclear Safety shell, utilize ring-type support column and central post fixed adjustment housing, complete the installation of upper and lower end socket, described support column adopts two sections formula, hypomere adopts hydraulic pressure adjustment mode, can meet the requirement of containment construction, and the mode of employing central post adjustment coverboard can be more effectively convenient, shore supports structure is more simple efficient simultaneously, can save a large amount of time costs and financial cost.
Description
Technical field
The present invention 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 the large assembly of bottom (head), lower cylinder, middle cylinder, top cylindrical shell and cover head 5, and material is SA738GrB.Main installation difficult point is in the assembling of upper low head, and upper low head internal diameter is 39624mm, height 11468mm, and each end socket is about 575T, and by 4 band compositions, be often with Spherical Tank Shell Plates quantity to be followed successively by 2,6,24 and 32 pieces, maximum veneer weight is about 10.5T.Because end socket diameter is large, Spherical Tank Shell Plates quantity is many, adopts assembled moulding bed assemble method in the past, uses some supporting legs, mesa-shaped reticulates support, then by the splicing of the coverboard of containment on moulding bed, utilize the ball pivot adjuster adjustment coverboard attitude on support, complete installation.The moulding bed of this method is complicated, has that difficulty of construction is large, the cycle long, high cost shortcoming, and adjusting device is overweight due to plate, 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, comprise support dome ring beam along whole inner ring column circumferentially, support dome radial girders one end along whole outer ring column circumferentially, support the dome radial girders other end along whole concrete foundation circumferentially.Inner ring column and outer ring column form by two sections vertically, after dome body is assembled, are removed by the upper semisection of inner ring column and outer ring column, and inner ring column is connected by supporting bracket with the lower semisection of outer ring column; Support bracket and dome model calling.This technology adopts double-deck column, and cost is high, complex structure.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide low head assemble method and jig structure on a kind of Nuclear Safety shell, concrete technical scheme is as follows:
Low head assemble method on a kind of Nuclear Safety shell, comprises the steps:
One. low head assemble method:
1) annular lower supporting rod braced structures is assembled;
Stanchion base arranges stone bolt, and slotted hole opened by pillar lower bolster, is convenient to adjust shore position, uses sky to hang and erects pillar and cylinder lever connecting rod, form closed loop cirque structure;
2) central post is erect;
Erect central post at annular brace center, central post divides two sections, with bolts, and upper central post arranges multiple hanger, lower end mat and ground slugging, ensures stability;
3) unwrapping wire; Total powerstation is set at the scene, measures shore position and by the tight knot adjustment shore position on pull bar, behind location, pillar lower bolster be welded fixing;
4) group is to equatorial zone; First be assembled with the coverboard of pier construction, then insert without pillar coverboard, and use locating piece to lock, by the chock adjustment group on locating piece to gap, repeat above step, until equatorial zone closes;
5) group is to lower temperate zone; Use sky to hang and lower temperate zone coverboard is lifted into precalculated position, connect dilatory between lower temperate zone coverboard and central post rope, adjustment coverboard angle, is connected with equatorial zone with locating piece after putting in place; After first piece of coverboard is in place, the coverboard of adjacent position is installed, adopts the method identical with first piece, be connected with equatorial zone and lastblock coverboard after in place; Repeat above step, until lower temperate zone closes; After lower temperate zone is closed, by the chock on adjustment locating piece, adjustment group, to gap, qualified rear dismounting lower temperate zone all draws rope;
6) group is to the dilatory rope in lower frigid zone and dismounting lower frigid zone; Assemble method is identical with lower temperate zone;
7) central post is removed; Central post is dismantled after installing and terminating by lower frigid zone, divides two sections and hangs dismounting with sky;
8) group is to bottom crown; After central post is removed, using sky to hang bottom crown hoisted in position, is lock with locating piece after adjusting to the right place; Same method installs another block bottom crown;
9) check assembled size, adjust 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;
10) connection transportation support, jacking end socket, removes all the other pillars, transport;
Two. upper cover assemble method
Adopt the turned legs identical with low head pillar and central post, comprise the steps:
1) group is to equatorial zone; Group is to the front backing plate being with welding material identical with coverboard inside coverboard under the line, epimere pillar is welded afterwards on backing plate, the equatorial zone coverboard having welded epimere pillar is installed on hypomere pillar, the equator zone plate of adjacent struts is installed again, equator zone plate not with epimere pillar in the middle of last grafting, and, location fastening by locating piece, repeat above step, until equatorial zone closes;
2) upper temperature zone, upper frigid zone and top crown is assembled; Assembling mode is identical with low head, uses sky to hang and locates with coordinating of dilatory rope, by the chock adjustment assembly clearance of locating piece.
The present invention further discloses the jig structure realizing described method, comprise the lower supporting rod braced structures that annular is arranged and the central post being 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 hypomere pillar, epimere pillar; Described hypomere pillar is hydraulic lifting structure, and described drag link connects two adjacent support columns, and described diagonal member is that diagonal form is connected with adjacent two support columns; Described central post divides two sections, with bolts, and upper central post arranges multiple hanger, lower end mat and ground slugging, ensures stability.
Described support column quantity is 16.
Described connection hanger quantity is 24.
Advantage of the present invention is: the present invention can meet the requirement of containment construction, and the mode of employing central post adjustment coverboard can be more effectively convenient, and shore supports structure is more simple efficient simultaneously, can save a large amount of time costs and financial cost.
Accompanying drawing explanation
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 pole band, and 5 is lower temperate zone, 6 is lower frigid zone, and 7 is lower pole band, and 8 is annular lower supporting rod braced structures, 81 is epimere pillar, and 82 is hypomere pillar, 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 present invention 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 pole band, and low head is equatorial zone, lower temperate zone, lower frigid zone, lower pole band; As shown in Figure 2, each band forms by the housing of varying number;
As shown in Figure 3 and Figure 4, jig structure comprises the lower supporting rod braced structures that annular is arranged and the central post being 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 hypomere pillar, epimere pillar; Described hypomere pillar is hydraulic lifting structure, and described drag link connects two adjacent support columns, and described diagonal member is that diagonal form is connected with adjacent two pillars; Described central post divides two sections, with bolts, and upper central post arranges multiple rigidity adjusting yoke and connects hanger, lower end mat and ground slugging, ensures 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 shell count, 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.Stanchion base arranges stone bolt, and slotted hole opened by pillar lower bolster, is convenient to adjust shore position, uses sky to hang and erects pillar and cylinder lever connecting rod, form closed loop cirque structure.
1.2 erect central post.Central post is erect at annular brace center.Central post divides two sections, with bolts, and upper central post arranges 24 dilatory ropes and connects hanger, lower end mat and ground slugging, ensures stability.
1.3 unwrapping wire.Total powerstation is set at the scene, measures shore position and by the tight knot adjustment shore position on pull bar, behind location, pillar lower bolster be 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 to lock, by the chock adjustment group on locating piece to gap, repeat above step, until leukorrhea with bloody discharge closes.
1.5 groups to lower temperate zone.Use sky to hang and lower temperate zone coverboard is lifted into precalculated position, connect dilatory between lower temperate zone coverboard and central post rope, by Chain block adjustment coverboard angle, be connected with equatorial zone with locating piece after putting in place.After first piece of coverboard is in place, the coverboard of adjacent position is installed, adopts the method identical with first piece, be connected with equatorial zone and lastblock coverboard after in place.Repeat above step, until lower temperate zone closes.
1.6 remove the dilatory rope of lower temperate zone.After lower temperate zone is closed, by the chock on adjustment locating piece, adjustment group, to gap, qualified rear dismounting lower temperate zone all draws rope.
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.Central post is dismantled after installing and terminating by lower frigid zone, divides two sections and hangs 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 lock with locating piece after putting in place.Same method installs another block 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 about the consideration of transporting.As Fig. 8, black round dot is expressed as the pillar of band hydraulic structure, after integral solder terminates, 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 the turned legs identical with low head pillar and central post, comprise the steps:
1) group is to equatorial zone; As shown in Figure 9, group is to the front backing plate being with welding material identical with coverboard inside coverboard under the line, upper supporting column is welded afterwards on backing plate, the equatorial zone coverboard having welded upper supporting column is installed in lower supporting rod braced structures, the equator zone plate of adjacent struts is installed again, the equator zone plate not with upper supporting column in the middle of last grafting, and, location fastening by locating piece, repeat above step, until equatorial zone closes.Pillar separately establishes inclined support structure, coverboard location, equatorial zone and anti-deformation can be helped.
2) upper temperature zone, upper frigid zone and top crown is assembled; Assembling mode is identical with low head, uses sky to hang and locates with coordinating of dilatory rope, by the chock adjustment assembly clearance of locating piece.
Claims (4)
1. a low head assemble method on Nuclear Safety shell, is characterized in that comprising the steps:
One. low head assemble method:
1) annular lower supporting rod braced structures is assembled;
Stanchion base arranges stone bolt, and slotted hole opened by pillar lower bolster, is convenient to adjust shore position, uses sky to hang and erects pillar and cylinder lever connecting rod, form closed loop cirque structure;
2) central post is erect;
Erect central post at annular brace center, central post divides two sections, with bolts, and upper central post arranges multiple hanger, lower end mat and ground slugging, ensures stability;
3) unwrapping wire; Total powerstation is set at the scene, measures shore position and by the tight knot adjustment shore position on pull bar, behind location, pillar lower bolster be welded fixing;
4) group is to equatorial zone; First be assembled with the coverboard of pier construction, then insert without pillar coverboard, and use locating piece to lock, by the chock adjustment group on locating piece to gap, repeat above step, until equatorial zone closes;
5) group is to lower temperate zone; Use sky to hang and lower temperate zone coverboard is lifted into precalculated position, connect dilatory between lower temperate zone coverboard and central post rope, adjustment coverboard angle, is connected with equatorial zone with locating piece after putting in place; After first piece of coverboard is in place, the coverboard of adjacent position is installed, adopts the method identical with first piece, be connected with equatorial zone and lastblock coverboard after in place; Repeat above step, until lower temperate zone closes; After lower temperate zone is closed, by the chock on adjustment locating piece, adjustment group, to gap, qualified rear dismounting lower temperate zone all draws rope;
6) group is to the dilatory rope in lower frigid zone and dismounting lower frigid zone; Assemble method is identical with lower temperate zone;
7) central post is removed; Central post is dismantled after installing and terminating by lower frigid zone, divides two sections and hangs dismounting with sky;
8) group is to bottom crown; After central post is removed, using sky to hang bottom crown hoisted in position, is lock with locating piece after adjusting to the right place; Same method installs another block bottom crown;
9) check assembled size, adjust 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;
10) connection transportation support, jacking end socket, removes all the other pillars, transport;
Two. upper cover assemble method
Adopt the turned legs identical with low head pillar and central post, comprise the steps:
1) group is to equatorial zone; Group is to the front backing plate being with welding material identical with coverboard inside coverboard under the line, epimere pillar is welded afterwards on backing plate, the equatorial zone coverboard having welded epimere pillar is installed on hypomere pillar, the equator zone plate of adjacent struts is installed again, equator zone plate not with epimere pillar in the middle of last grafting, and, location fastening by locating piece, repeat above step, until equatorial zone closes;
2) upper temperature zone, upper frigid zone and top crown is assembled; Assembling mode is identical with low head, uses sky to hang and locates with coordinating of dilatory rope, by the chock adjustment assembly clearance of locating piece.
2. one kind realizes the jig structure of method described in claim 1, it is characterized in that: comprise the lower supporting rod braced structures that annular is arranged and the central post being 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 hypomere pillar, epimere pillar; Described hypomere pillar is hydraulic lifting structure, and described drag link connects two adjacent support columns, and described diagonal member is that diagonal form is connected with adjacent two support columns; Described central post divides two sections, with bolts, and upper central post arranges multiple hanger, lower end mat and ground slugging, ensures stability.
3. structure according to claim 2, is characterized in that: described support column quantity is 16.
4. structure according to claim 2, is characterized in that: described connection hanger quantity is 24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143778.8A CN103883132B (en) | 2014-04-11 | 2014-04-11 | Low head assemble method and jig structure on a kind of Nuclear Safety shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143778.8A CN103883132B (en) | 2014-04-11 | 2014-04-11 | Low head assemble method and jig structure on a kind of Nuclear Safety shell |
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| CN103883132A CN103883132A (en) | 2014-06-25 |
| CN103883132B true CN103883132B (en) | 2016-01-13 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014251A (en) * | 2015-08-12 | 2015-11-04 | 上海核工程研究设计院 | Auxiliary equipment |
| CN105133881B (en) * | 2015-09-10 | 2017-07-07 | 中核能源科技有限公司 | HTGR Nuclear Power Plant containment bracket section wall body module method of construction |
| 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 |
| 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 |
| CN107093472B (en) * | 2017-05-03 | 2019-03-01 | 中国核工业第五建设有限公司 | The assemble method of steel containment vessel and its end socket in AP1000 nuclear power station |
| CN107824997B (en) * | 2017-10-31 | 2020-10-16 | 武汉一冶钢结构有限责任公司 | Method for mounting asymmetric equatorial belt shell plate |
| CN110145031A (en) * | 2019-06-03 | 2019-08-20 | 重庆宝汇钢结构工程有限公司 | A kind of major diameter slab steel construction hollow ball and preparation method thereof |
| CN114986445B (en) * | 2022-06-09 | 2023-12-01 | 浙江东南网架股份有限公司 | Factory assembling method for spherical reticulated shell dome structure |
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| JPH05287811A (en) * | 1992-04-08 | 1993-11-02 | Mamoru Kawaguchi | Dome shaped roof structure |
| CN101967886A (en) * | 2010-11-16 | 2011-02-09 | 中国核工业第五建设有限公司 | Assembly and installation methods of steel containment vessel of nuclear power station |
| CN102535870A (en) * | 2011-12-30 | 2012-07-04 | 大连理工大学 | Tooling support for assembling and transporting nuclear-power containment-vessel cover head |
| CN102700870A (en) * | 2011-10-11 | 2012-10-03 | 国家核电技术有限公司 | Seal head module, large container and method for manufacturing seal head module and large container |
| CN103015737A (en) * | 2012-12-28 | 2013-04-03 | 中国核工业第五建设有限公司 | Method for mounting steel containment cofferdam of nuclear power plant |
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2014
- 2014-04-11 CN CN201410143778.8A patent/CN103883132B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05287811A (en) * | 1992-04-08 | 1993-11-02 | Mamoru Kawaguchi | Dome shaped roof structure |
| CN101967886A (en) * | 2010-11-16 | 2011-02-09 | 中国核工业第五建设有限公司 | Assembly and installation methods of steel containment vessel of nuclear power station |
| CN102700870A (en) * | 2011-10-11 | 2012-10-03 | 国家核电技术有限公司 | Seal head module, large container and method for manufacturing seal head module and large container |
| CN102535870A (en) * | 2011-12-30 | 2012-07-04 | 大连理工大学 | Tooling support for assembling and transporting nuclear-power containment-vessel cover head |
| CN103015737A (en) * | 2012-12-28 | 2013-04-03 | 中国核工业第五建设有限公司 | Method for mounting steel containment cofferdam of nuclear power plant |
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| CN103883132A (en) | 2014-06-25 |
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