CN107777535A - A kind of nuclear power steel containment vessel lifts distributor - Google Patents

A kind of nuclear power steel containment vessel lifts distributor Download PDF

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Publication number
CN107777535A
CN107777535A CN201711099107.6A CN201711099107A CN107777535A CN 107777535 A CN107777535 A CN 107777535A CN 201711099107 A CN201711099107 A CN 201711099107A CN 107777535 A CN107777535 A CN 107777535A
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CN
China
Prior art keywords
crossbeam
main
distributor
center
edge rail
Prior art date
Application number
CN201711099107.6A
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Chinese (zh)
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CN107777535B (en
Inventor
尹付军
刘卫华
王贵洪
刘红霞
李俊明
聂铁军
杨久贺
王丽鹏
Original Assignee
中国核工业第五建设有限公司
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Priority to CN201711099107.6A priority Critical patent/CN107777535B/en
Publication of CN107777535A publication Critical patent/CN107777535A/en
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Publication of CN107777535B publication Critical patent/CN107777535B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12Slings comprising chains, wires, ropes, or bands; Nets

Abstract

The invention belongs to nuclear power steel containment vessel mounting technique field, and in particular to a kind of nuclear power steel containment vessel lifts distributor.In order to solve using existing lifting distributor in the hoisting process of steel containment vessel, lifting distributor be present and the problem of weld seam drawing crack and mother metal lamellar tearing easily occur, the invention discloses a kind of brand-new nuclear power steel containment vessel to lift distributor.The lifting distributor, including center crossbeam, main beam, side crossbeam, edge rail, top flange, lower flange and hanger, wherein being mutually arranged connection between each crossbeam, top flange, lower flange and hanger are used to be welded and fixed and are connected with crossbeam respectively.The nuclear power steel containment vessel lifting distributor of the present invention, not only convenient processing and manufacture, is easy to ensure final product quality, and compared with existing conventional lifting distributor, with safety and stability more reliable during higher bearing capacity and use.

Description

A kind of nuclear power steel containment vessel lifts distributor

Technical field

The invention belongs to nuclear power steel containment vessel mounting technique field, and in particular to a kind of nuclear power steel containment vessel lifting point Orchestration.

Background technology

In the steel containment vessel installation process of nuclear power station, because hoisting rig quantity is more, crane hook and rigging are difficult To be directly connected to, it usually needs by lifting distributor transition connection crane hook and rigging.

At present, in the lifting distributor of nuclear power station onsite application directly it is welded by plurality of steel plates or shaped steel, Pulling force is by weld seam transmission and undertakes, and weld seam often uses corner joint or T connector form, so holds in hoisting process It is easily caused weld seam drawing crack or mother metal lamellar tearing.It is for example, just open in the Chinese invention patent that notification number is 104098017A A kind of lifting distributor, directly it is fixedly connected by way of welding between all parts of the lifting distributor, and And mainly using corner joint or the solder design of T connector.So, in hoisting process, mainly bear to act on by weld seam Power, and because the pulling force that the weld seam of corner joint or T connector is born is relatively low, therefore easily there is drawing crack in solder design position. In addition, the distributor easily causes mother metal lamellar tearing using double-decker, its connecting plate.

The content of the invention

In order to solve using it is existing lifting distributor in the hoisting process of steel containment vessel, easily occur weld seam drawing crack and The problem of mother metal lamellar tearing, the present invention propose a kind of brand-new nuclear power steel containment vessel lifting distributor.The lifting distributes Device, including center crossbeam, main beam, side crossbeam, edge rail, top flange, lower flange and hanger;Wherein, the main beam and The edge rail is arranged with the center crossbeam and is connected and is welded and fixed simultaneously;The side crossbeam simultaneously with the main beam It is arranged with the edge rail and connects and be welded and fixed;The hanger and the center crossbeam, the main beam, the side are horizontal The end butt welding of beam and the edge rail is fixed;It is the top flange and the center crossbeam, the main beam, described Side crossbeam and the edge rail are arranged connection, above the hanger, and with the center crossbeam, the main horizontal stroke Beam, the side crossbeam, the edge rail and the hanger are welded and fixed;The lower flange is located at the center crossbeam and institute The lower section of main beam is stated, and welds and connects with the center crossbeam, the main beam, the side crossbeam and the edge rail Connect.

Preferably, the center crossbeam is long slab structure, and is set respectively in the main beam and the edge rail There is a rectangular connecting hole, the size of the connecting hole is corresponding with the appearance and size of the center crossbeam.

It is further preferred that the center crossbeam is provided with positioning step, the positioning step is along the center crossbeam Short transverse is stretched out.

It is further preferred that the center crossbeam is provided with two positioning steps, and two positioning steps are along institute State the short transverse outreach of center crossbeam respectively with the connecting hole size and the edge rail on the main beam Connecting hole size is corresponding.

Preferably, the main beam and the edge rail are long slab structure, and the side crossbeam is provided with extremely Few two rectangular connecting holes, the size of the connecting hole respectively with the main beam and the appearance and size of the edge rail It is corresponding.

It is further preferred that the main beam and the edge rail are respectively equipped with positioning step, the positioning step edge The short transverse of the main beam and the edge rail is stretched out, and outreach and the connecting hole size on the side crossbeam It is corresponding.

Preferably, the top flange is platy structure, and provided with the through hole and neck that run through, for through the center Crossbeam, the main beam, the side crossbeam and the edge rail.

Preferably, the quantity of the center crossbeam, the main beam, the side crossbeam and the edge rail is respectively It is more than two pieces or two pieces

It is further preferred that the center crossbeam, the main beam, the side crossbeam and the edge rail are two Part;Wherein, it is be arranged in parallel between center crossbeam described in two pieces;Edge rail described in main beam described in two pieces and two pieces respectively with institute State center crossbeam to be vertically arranged, and be respectively symmetrically distributed in the both sides of the intermediate cross-section of the center crossbeam;Described in two pieces Side crossbeam be arranged in parallel with the center crossbeam simultaneously, and symmetrical respectively in the both sides of the center crossbeam.

Preferably, the main beam is provided with lifting hole(eyelet) or suspension hook, for connecting the gib head of crane;The hanger is provided with and hung Hole or suspension hook, for butt rigging.

The nuclear power steel containment vessel of the present invention lifts distributor compared with existing conventional lifting distributor, has with following Beneficial effect:

First, in the present invention, by setting center crossbeam, main beam, edge rail and side crossbeam, and four kinds of horizontal strokes The connection of joinery and its construction is formed between beam by connecting hole first, then by the connection between each crossbeam by way of welding Gap is welded and fixed.Now, lifted existing in distributor mainly by weld seam transmission and the lifting pulling force born, in this hair By the mortise-tenon joint structure between each crossbeam in bright, directly by the main part of each crossbeam lift the transmission of pulling force With undertake.So, the dependence of welding quality is not only weakened significantly, and by changing transmission of the lifting distributor to pulling force And bearing mode, greatly improve bearing capacity of the whole lifting distributor to pulling force.

Secondly, in the present invention, by the mortise-tenon joint between each crossbeam, make the end of each crossbeam length direction complete Portion exposes, so that hanger can be fixed on the end of each crossbeam using butt-welded mode, and then in hanger and crossbeam Between form butt weld.So, in hoisting process, the mother metal thickness in hanger and crossbeam can be avoided by butt weld Pulling force is produced on direction, so as to avoid occur mother metal lamellar tearing, further improve lifting distributor bearing capacity with And the safety and stability of hoisting process.

Brief description of the drawings

Fig. 1 is the first visual angle outline structural diagram that nuclear power steel containment vessel of the present invention lifts distributor;

Fig. 2 is the second visual angle outline structural diagram that nuclear power steel containment vessel of the present invention lifts distributor;

Fig. 3 is the decomposing schematic representation that nuclear power steel containment vessel of the present invention lifts distributor;

Fig. 4 be center crossbeam in the present invention, main beam, be interconnected and fixed between edge rail and side crossbeam after knot Structure is illustrated;

Fig. 5 is that the structural representation after being connected of hanger is completed on the basis of Fig. 4.

Embodiment

Technical scheme is described in detail below in conjunction with the accompanying drawings.

With reference to shown in Fig. 1, Fig. 2 and Fig. 3, nuclear power steel containment vessel of the invention lifting distributor, including center crossbeam 1, Main beam 2, edge rail 3, side crossbeam 4, hanger 5, top flange 6 and lower flange 7.Wherein, main beam 2 and edge rail 3 be simultaneously It is arranged and is connected with center crossbeam 1, and is fixed by way of welding.Side crossbeam 4 simultaneously with main beam 2 and edge rail 3 are arranged connection, and are fixed by way of welding.Hanger 5 and center crossbeam 1, main beam 2, edge rail 3 and side Crossbeam 4 is connected using butt-welded mode.Top flange 6 is simultaneously horizontal with center crossbeam 1, main beam 2, edge rail 3 and side Beam 4 is arranged connection, and is welded and fixed with center crossbeam 1, main beam 2, edge rail 3, side crossbeam 4 and hanger 5.Lower flange 7 are welded to connect with center crossbeam 1, main beam 2, edge rail 3 and side crossbeam 4.

With reference to shown in Fig. 3 and Fig. 4, in the present embodiment, center crossbeam 1 uses the steel construction of long plate shape, and in main horizontal stroke Beam 2 is provided with the first connecting hole 21, and the second connecting hole 31 is provided with edge rail 3.Wherein, the first connecting hole 21 and second connects It is rectangle through hole to connect hole 31, and corresponding with the appearance and size of center crossbeam 1.Now, main beam 2 and edge rail 3 are connected by the first connecting hole 21 and the realization of the second connecting hole 31 with being arranged for center crossbeam 1 respectively.

Preferably, it is additionally provided with the first positioning boss 11 on center crossbeam 1, and the first positioning boss 11 is along center crossbeam 1 short transverse is stretched out.So, by the first positioning boss 11, it can not only increase the height dimension of center crossbeam 1, improve Its bending resistance, and position when can be arranged connection to main beam 2 or edge rail 3 positions, and improves installation Efficiency and installation site precision.

It is further preferred that with reference to shown in Fig. 3, the second positioning boss 12 is additionally provided with the length direction along center crossbeam 1, And short transverse of second positioning boss 12 along the first positioning boss 11 is stretched out, so as to form two on center crossbeam 1 not With the positioning boss of size.

So, by by the length dimension of the first connecting hole 21 be designed as more than the first positioning boss 11 height dimension and Less than the height dimension of the second positioning boss 12, the length dimension of the second connecting hole 31 is designed as the height more than center crossbeam 1 Spend size and less than the height dimension of the first positioning boss 11, then can realize respectively simultaneously to main beam 2 and edge rail 3 Installation positioning, further improve the precision of installation effectiveness and installation site.

With reference to shown in Fig. 3 and Fig. 4, in the present embodiment, the steel construction of main beam 2 and the long plate shape of the use of edge rail 3, and And the 3rd connecting hole 41 and the 4th connecting hole 42 are provided with side crossbeam 4.Wherein, the 3rd connecting hole 41 is rectangle through hole, It is and corresponding with the appearance and size of main beam 2;4th connecting hole 42 is rectangle through hole, and outer with edge rail 3 Shape size is corresponding.So, side crossbeam 4 be arranged being connected by the 3rd connecting hole 41 with main beam 2, passes through the 4th connecting hole 42 be arranged being connected with edge rail 3.

Preferably, the 3rd positioning boss 22 and the 4th positioning boss are also respectively arranged with main beam 2 and edge rail 3 32, and the 3rd positioning boss 22 is identical with the length dimension of the 4th positioning boss 32, i.e. the 3rd positioning boss 22 is along main beam 2 Alignd respectively along two end faces of the length direction of edge rail 3 with the 4th positioning boss 32 two end faces of length direction.So, By the 3rd positioning boss 22 and the 4th positioning boss 32, can not only be positioned with the installation that is arranged of offside crossbeam 4, Er Qieke To increase the height dimension of main beam 2 and edge rail 3, its bending resistance is improved.

With reference to shown in Fig. 3 and Fig. 5, hanger 5 equally uses tabular steel construction, and by butt-welded mode with it is each The vertical end face connection of crossbeam length direction, so as to form butt weld in the link position of hanger 5 and crossbeam.So, hanging During filling use, it can avoid producing pulling force on the mother metal thickness direction of hanger 5 and crossbeam by butt weld, prevent from sending out The lamellar tearing of breeder mother's material, so as to improve the security of the bearing capacity of whole lifting distributor and hoisting process and stably Property.

With reference to shown in Fig. 3 to Fig. 5, in the present embodiment, provided with two center crossbeams 1, two main beams, 2, two edges Crossbeam 3 and two side crossbeams 4.Wherein, it is be arranged in parallel between two center crossbeams 1, with two main beams 2 and two edge rails 3 are vertically arranged connection simultaneously, and along the length direction of center crossbeam 1, two main beams 2 and two edge rails 3 The both sides of center crossbeam 1 are symmetrically distributed in, i.e., using the intermediate cross-section of the length direction of center crossbeam 1 as the plane of symmetry, both sides are respectively set Put a main beam 2 and an edge rail 3.Meanwhile two side crossbeams 4 be arranged in parallel with center crossbeam 1, and it is symmetrical In the outside of two center crossbeams 1.

So, by being mutually arranged connection between above-mentioned each crossbeam, foring 16 altogether can be welded and fixed The vertical end face of hanger 5, i.e., the end face of each crossbeam along its length.Therefore, in the present embodiment, distributor one is entirely lifted 16 hangers 5 are provided with altogether.Equally, in other embodiments, can also according to lift distributor lifting bearing requirements with And the requirement to hanger quantity, the quantity of different crossbeams is adjusted, so as to which the lifting to whole lifting distributor carries energy Power and the installation number of hanger are changed.

With reference to shown in Fig. 1, Fig. 3 and Fig. 4, in the present embodiment, top flange 6 uses circular plate type steel construction, and in centre Position is provided with square through hole 61, and neck 62 is respectively equipped with four sides of through hole 61.Wherein, in through hole 61 two opposite side it Between it is relative with the distance between the distance between two edge rails 3 size and two side crossbeams 4 size respectively apart from size Should, the positions and dimensions of the positions and dimensions of neck 62 vertical end with each crossbeam along its length respectively are corresponding.

So, top flange 6 vertically can carry out being arranged connection simultaneously to all crossbeams from top to bottom, and pass through card Groove 62 carries out being arranged fixation to the vertical end of all crossbeams, and by between top flange 6 and each crossbeam by way of welding Connection gap be welded and fixed, the integrated connection of all crossbeams is fixed so as to realize, improve lifting distributor main body Structural stability.At the same time, the upper surface of the lower surface of top flange 6 and hanger 5 weld admittedly by way of welding It is fixed, increase the stability of hanger 5, prevent from occurring in hoisting process the flexing unstability of hanger 5.

With reference to shown in Fig. 2 and Fig. 3, in the present embodiment, lower flange 7 is made up of the steel plate of four block length bar shapeds, in being located at The lower section of heart line crossbeam 1 and main beam 2, and by way of welding simultaneously with center crossbeam 1, main beam 2, edge rail 3 It is fixedly connected with side crossbeam 4, so as to strengthen the tightness connected between each crossbeam.Equally, in other embodiments, lower flange 7 can also use the overall structure of similar top flange 6, by opening up through hole in centre position, realize the connection between crossbeam.

In addition, with reference to described in Fig. 3, in the present embodiment, the first lifting hole(eyelet) 23 is provided with main beam 3, for connecting crane Gib head.The second lifting hole(eyelet) 51 is provided with hanger 5, for butt rigging.Equally, in other embodiments, can also by Suspension hook is set on main beam 2 and hanger 5, realizes and is attached with the suspender and rigging of different structure.

It is first, right when being assembled to nuclear power steel containment vessel lifting distributor of the invention with reference to shown in Fig. 1 to Fig. 5 Each crossbeam is carried out being arranged connection each other, and the connection gap between each crossbeam is welded and fixed, and forms a master Body structure;Then, multiple hangers 5 are respectively welded and are fixed on center crossbeam 1, main beam 2, edge rail 3 and side crossbeam 4 The end of length direction, butt weld is formed, wherein during being welded and fixed of hanger 5 is carried out, ensure the upper of all hangers 5 End face is located in the same horizontal plane;Then, top flange 6 is sheathed with to the top of hanger 5, and to top flange 6 and all crossbeams Contact position between hanger is welded and fixed;Finally, lower flange 7 is placed in the lower section of center crossbeam 1 and main beam 2, And the contact position between lower flange 7 and all crossbeams is welded and fixed.

Claims (10)

1. a kind of nuclear power steel containment vessel lifts distributor, it is characterised in that including center crossbeam, main beam, side crossbeam, edge Crossbeam, top flange, lower flange and hanger;Wherein, the main beam and the edge rail are arranged with the center crossbeam simultaneously Connect and be welded and fixed;The side crossbeam is arranged with the main beam and the edge rail simultaneously to be connected and welds admittedly It is fixed;The hanger and the end butt welding of the center crossbeam, the main beam, the side crossbeam and the edge rail It is fixed;The top flange is arranged and is connected with the center crossbeam, the main beam, the side crossbeam and the edge rail, Above the hanger, and with the center crossbeam, the main beam, the side crossbeam, the edge rail and institute Hanger is stated to be welded and fixed;The lower flange is located at the lower section of the center crossbeam and the main beam, and horizontal with the center Beam, the main beam, the side crossbeam and the edge rail are welded to connect.
2. nuclear power steel containment vessel according to claim 1 lifts distributor, it is characterised in that the center crossbeam is length Slab structure, and rectangular connecting hole, the chi of the connecting hole are respectively equipped with the main beam and the edge rail It is very little corresponding with the appearance and size of the center crossbeam.
3. nuclear power steel containment vessel according to claim 2 lifts distributor, it is characterised in that is set on the center crossbeam There is positioning step, short transverse of the positioning step along the center crossbeam is stretched out.
4. nuclear power steel containment vessel according to claim 3 lifts distributor, it is characterised in that is set on the center crossbeam Have two positioning steps, and short transverse outreach of two positioning steps along the center crossbeam respectively with it is described The connecting hole size in connecting hole size and the edge rail on main beam is corresponding.
5. nuclear power steel containment vessel according to claim 1 lifts distributor, it is characterised in that the main beam and described Edge rail is long slab structure, and the side crossbeam is provided with least two rectangular connecting holes, the connecting hole Size it is corresponding with the appearance and size of the main beam and the edge rail respectively.
6. nuclear power steel containment vessel according to claim 4 lifts distributor, it is characterised in that the main beam and described Edge rail is respectively equipped with positioning step, and short transverse of the positioning step along the main beam and the edge rail is stretched Go out, and outreach is corresponding with the connecting hole size on the side crossbeam.
7. the nuclear power steel containment vessel lifting distributor according to any one in claim 1-6, it is characterised in that described Top flange is platy structure, and provided with the through hole and neck that run through, for through the center crossbeam, the main beam, institute State side crossbeam and the edge rail.
8. the nuclear power steel containment vessel lifting distributor according to any one in claim 1-6, it is characterised in that described Center crossbeam, the main beam, the quantity of the side crossbeam and the edge rail are respectively more than two pieces or two pieces.
9. nuclear power steel containment vessel according to claim 8 lifts distributor, it is characterised in that the center crossbeam, institute It is two pieces to state main beam, the side crossbeam and the edge rail;Wherein, it is parallel between center crossbeam described in two pieces to set Put;Edge rail is vertically arranged with the center crossbeam respectively described in main beam described in two pieces and two pieces, and is respectively symmetrically divided Cloth is in the both sides of the intermediate cross-section of the center crossbeam;Side crossbeam described in two pieces be arranged in parallel with the center crossbeam simultaneously, And symmetrically respectively in the both sides of the center crossbeam.
10. the nuclear power steel containment vessel lifting distributor according to any one in claim 1-6, it is characterised in that institute State main beam and be provided with lifting hole(eyelet) or suspension hook, for connecting the gib head of crane;The hanger is provided with lifting hole(eyelet) or suspension hook, for connecting Rigging.
CN201711099107.6A 2017-11-09 2017-11-09 Nuclear power steel containment hoisting distributor CN107777535B (en)

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CN201711461823.4A CN108275559B (en) 2017-11-09 2017-11-09 Nuclear power steel containment hoisting distributor
CN201711099107.6A CN107777535B (en) 2017-11-09 2017-11-09 Nuclear power steel containment hoisting distributor

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Publication number Priority date Publication date Assignee Title
CN101830392A (en) * 2010-04-30 2010-09-15 中国核工业第五建设有限公司 Special lifting tool for steel containment vessel of nuclear power station and lifting method
CN102659019A (en) * 2012-06-01 2012-09-12 中国核工业第五建设有限公司 Special lifting appliance for steel containment cover head in nuclear power station nuclear island and lifting method thereof
CN104098017A (en) * 2014-01-24 2014-10-15 浙江大学 Distributor for lifting large thin-wall safety shell and passive water tank and force transfer method thereof

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CN102363498B (en) * 2011-10-11 2014-07-09 国家核电技术有限公司 Hoisting system for hoisting assembly module of large container
CN103241644A (en) * 2013-05-28 2013-08-14 中国核工业中原建设有限公司 Assembly method of large-scale thin-wall steel containment vessel and auxiliary hoisting pieces
CN203319508U (en) * 2013-05-28 2013-12-04 中国核工业中原建设有限公司 Hoisting auxiliary element for large thin-wall steel containment vessel
CN103407872B (en) * 2013-08-16 2015-11-25 上海核工程研究设计院 Nuclear power plant's metal containment module self-balancing type suspender
CN203728393U (en) * 2014-01-24 2014-07-23 浙江大学 Distributor for lifting large thin-wall secure shell and passive water tank
CN106429791B (en) * 2016-11-10 2019-07-26 大连益利亚工程机械有限公司 A kind of the Special-purpose hanger rigging and hanging method of nuclear power station CR10 and reinforcing bar composite module
CN107285181A (en) * 2017-06-09 2017-10-24 中国核工业二三建设有限公司 The hanging method of steel containment vessel in nuclear power station

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101830392A (en) * 2010-04-30 2010-09-15 中国核工业第五建设有限公司 Special lifting tool for steel containment vessel of nuclear power station and lifting method
CN102659019A (en) * 2012-06-01 2012-09-12 中国核工业第五建设有限公司 Special lifting appliance for steel containment cover head in nuclear power station nuclear island and lifting method thereof
CN104098017A (en) * 2014-01-24 2014-10-15 浙江大学 Distributor for lifting large thin-wall safety shell and passive water tank and force transfer method thereof

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CN107777535B (en) 2020-01-21
CN108275559A (en) 2018-07-13
CN108275559B (en) 2020-03-27

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