CN203728393U - Distributor for lifting large thin-wall secure shell and passive water tank - Google Patents
Distributor for lifting large thin-wall secure shell and passive water tank Download PDFInfo
- Publication number
- CN203728393U CN203728393U CN201420044742.XU CN201420044742U CN203728393U CN 203728393 U CN203728393 U CN 203728393U CN 201420044742 U CN201420044742 U CN 201420044742U CN 203728393 U CN203728393 U CN 203728393U
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- Prior art keywords
- welded
- lifting seat
- plate
- lifting
- support beam
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 239000003351 stiffener Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
本实用新型公开了一种吊装大型薄壁安全壳和非能动水箱的分配器，分配器包括两个第一提升座、第二提升座、两个加强件、环形支撑梁、连接板、底板、9块吊耳板；第二提升座焊接在两个第一提升座上，两块加强件布置在第二提升座两侧并对称焊接在两个第一提升座上；两块加强件的底部焊接连接板，第一提升座和第二提升座的下部焊接环形支撑梁；环形支撑梁、第一提升座和第二提升座的底部平齐，并均焊接在底板上；由环形支撑梁、连接板和底板组成的环状凹槽内等间距焊接块吊耳板，每块吊耳板通过一对卸扣连接一块三角板；本实用新型结构的整体性强，底板、环形支撑梁和连接板所形成的整体体系能够承受由吊耳板偏离分配器中心位置所产生的弯矩。
The utility model discloses a distributor for hoisting a large thin-walled containment vessel and a passive water tank. The distributor comprises two first lifting seats, a second lifting seat, two reinforcements, an annular support beam, a connecting plate, a bottom plate, 9 lug plates; the second lifting seat is welded on the two first lifting seats, and the two reinforcements are arranged on both sides of the second lifting seat and welded symmetrically to the two first lifting seats; the bottom of the two reinforcements The connecting plate is welded, and the lower part of the first lifting seat and the second lifting seat is welded with an annular support beam; the bottoms of the annular support beam, the first lifting seat and the second lifting seat are flush and are all welded on the base plate; the annular support beam, The lug plates are welded at equal intervals in the annular groove formed by the connecting plate and the bottom plate, and each lug plate is connected to a triangular plate through a pair of shackles; The resulting overall system is capable of withstanding the bending moments caused by the misalignment of the lug plate from the center of the distributor.
Description
Technical field
The utility model belongs to hoisting technology field, relates to a kind of distributing box for large thin-wall containment and coolant storage tank lifting.
Background technology
Steel containment vessel (CV) is one of internal layer shielding construction assembly of CAP1400 nuclear power plant reactor factory building, and coolant storage tank (CB20) is the important component part of Passive containment cooling system, is all the nucleus equipment of three generations's nuclear power.Have that volume is large, the feature such as quality is large, wall thickness, be easy to produce distortion if therefore discontinuity or Lift-on/Lift-off System design are unreasonable in hoisting process.
Taking steel containment vessel bottom (head) member as example, the each member of CV is conventionally adopted with the following method and is lifted: utilize the assemblies such as many steel ropes and adjustable rod to connect CV member suspension centre and distributing box, by distributing box, top hoisting crane is concentrated and passed to the power of multiple dispersions.The unreasonable meeting of dispenser designs causes huge potential safety hazard to lifting work.
The CV bottom (head) member of domestic built AP1000 nuclear station all adopts 16 suspension centres at present, main distributor structure is generally designed to by 4 block length connecting panels and 8 M shape transition beam structures that short connecting panel forms, and 8 ends of rice font transition beam structure are established 16 for connecting the connecting bore of triangle joint device.And CAP1400 nuclear power technology containment bottom (head) used is provided with 18 suspension centres altogether, if distributing box also utilizes transition beam to design as agent structure, the problem that transition beam position cannot reasonable Arrangement will be there will be.
In addition, the CV of AP1000 nuclear station only considers the transmission of oblique pulling while lifting dispenser designs, do not consider because shackle plate separates orchestration centre distance compared with the larger moment of flexure far producing, and distributing box globality is poor, is in use easy to occur safety misadventure.
Above reason makes the distributing box of the CV bottom (head) for lifting CAP1400 nuclear power technology must redesign to meet lifting conditional request.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and the distributing box of a kind of hoisting large-size thin-walled containment and non-active water tank is provided.
The purpose of this utility model is achieved through the following technical solutions: the distributing box of a kind of hoisting large-size thin-walled containment and non-active water tank, comprises two the first upgrade blocks, the second upgrade block, two reinforcements, annular brace beam, connecting panel, base plate, 9 shackle plates, 9 set squares and shackle; Wherein, the second upgrade block is welded on two the first upgrade blocks, and two reinforcements are arranged in the second upgrade block both sides and are symmetrically welded on two the first upgrade blocks; The bottom welding connecting panel of two reinforcements, annular support beam is welded in the bottom of the first upgrade block and the second upgrade block; Annular brace beam, the first upgrade block are concordant with the bottom of the second upgrade block, and are all welded on base plate; Equidistant welding block shackle plate in the annular recess being made up of annular brace beam, connecting panel and base plate, every shackle plate connects a set square by a pair of shackle.
The beneficial effects of the utility model are: compare with traditional distributing box, the globality of the utility model structure is strong, and the integral system that base plate, annular brace beam and connecting panel form can bear by shackle plate and depart from the moment of flexure that distributing box center produces.Annular brace beam is stretched in upgrade block bottom, with using multiple-pass weld to connect between the integral system being formed by annular brace beam, base plate, connecting panel, greatly reduce the suffered friction stress in single junction, the weld seam junction drawing crack phenomenon of effectively having avoided distributing box in use may occur.The setting of reinforcement prevents the first upgrade block generation flexing unstability effectively, increases the stability of structure.The lifting hole place of the connecting bore of shackle plate and upgrade block all arranges ring stiffener, strengthens bearing capacity.The utility model has also made up the deficiency that traditional transition beam distributing box cannot design in the time that shackle plate layout does not meet bi-directional symmetrical.
Brief description of the drawings
Fig. 1 is the structural representation of containment Lift-on/Lift-off System;
Fig. 2 is the connection diagram of set square and main distributor structure;
Fig. 3 is distributing box schematic diagram of the present utility model;
Fig. 4 is the birds-eye view of Fig. 3 and has illustrated the position of set square;
Fig. 5 is the A-A section of distributing box;
Fig. 6 is the B-B section of distributing box;
Fig. 7 is the first upgrade block structural representation;
Fig. 8 is the second upgrade block structural representation;
Fig. 9 is shackle plate structural representation.
Detailed description of the invention
For the utility model is become apparent, below by specific embodiment, and coordinate accompanying drawing to elaborate.
As shown in Figure 3, the utility model provides a kind of distributing box for CAP1400 containment and coolant storage tank lifting, and utilize set square to be connected the equidistant layout that realizes rigging with shackle, make each hoist cable stressed evenly and do not interfere with each other, ensure that large deformation does not appear in containment bottom (head) in hoisting process.The utility model comprises two the first upgrade blocks 11, the second upgrade block 12, two reinforcements 13, annular brace beam 14, connecting panel 15,16,9 shackle plates 17 of base plate, in the process of lifting, also utilizes 9 set squares 3, shackle 4.
Two the first upgrade blocks 11 are connected by bearing pin with top suspender, and the second upgrade block 12 is welded on two the first upgrade blocks 11, and two reinforcements 13 are arranged in the second upgrade block 12 both sides and are symmetrically welded on two the first upgrade blocks 11.Annular support beam 14 is welded in bottom welding connecting panel 15, the first upgrade blocks 11 of two reinforcements 13 and the bottom of the second upgrade block 12, and annular brace beam 14, the first upgrade block 11 are concordant with the bottom of the second upgrade block 12, and are all welded on base plate 16.In the annular recess being formed by annular brace beam 14, connecting panel 15 and base plate 16, equidistantly weld 9 shackle plates 17.Every otic placode 17 connects a set square 3 by a pair of shackle 4.
The structure of described the first upgrade block 11 is as Fig. 7.Lifting hole 31 welds a pair of ring stiffener 32 in both sides around, and one groove 33 reserve in described the first upgrade block 11 bottoms, for described second upgrade block 12(Fig. 8) splice corresponding junction Ge Han tetra-road weld seams.For the consideration of shackle plate position optimum, on described upgrade block 2, arrange first shackle plate, all the other shackle plates are taking this piece shackle plate as benchmark, and to be separated by, the central angle of 40 ° is equidistantly arranged.Described shackle plate 17 is as Fig. 9, and connecting bore 35 around both sides welds a pair of ring stiffener 36.13 points of three manufactures of described reinforcement, are welded in upgrade block system with vertical weld seam.Described annular brace beam 14 and connecting panel 15 piecemeal manufactures, be welded in upgrade block system.
As illustrated in fig. 1 and 2, working process of the present utility model is as follows: 9 set squares 3 connect 18 suspension centres of the containment bottom (head) 5 of large thin-wall containment and non-active water tank by 18 groups of riggings 2, the load of each suspension centre is delivered on the set square 3 of connection by steel rope 2.Every set square 3 bottoms connect two groups of adjacent riggings 4, and top connects the connecting bore 35 of the shackle plate 17 of distributing box by a pair of shackle 4, and 18 suspension centre loads of containment bottom (head) are assigned on 9 shackle plates 17 equably.Every shackle plate 17 transmits vertical tension by vertical weld seam to annular brace beam 14; Base plate 16, annular brace beam 14 and connecting panel 15 form a whole, and bear by shackle plate 17 and depart from the moment of flexure that distributing box center produces.The second upgrade block 12 connects with the annular brace beam 14 use 4 vertical weld seams in road, and two the first upgrade block 11 bottoms are stretched into annular brace beam 14 and with the 4 vertical weld seams connections in road, between the first upgrade block 11 and the second upgrade block 12, connect with 8 road weld seams again.The object of such connection setting is first to make the second upgrade block 12 and annular brace beam 14 form an entirety, then carrys out this entirety of lifting with the first upgrade block 11 by the connection of multiple-pass weld.The setting of multiple tracks attachment weld greatly reduces the friction stress that single weld seam bears.Between two lifting holes 31 of the first upgrade block 11 and top loop wheel machine, connect by bearing pin, load is passed to hoisting crane.In addition, between two the first upgrade blocks 11, reinforcement 13 is set, further strengthens the stability of the first upgrade block 11, prevent plate generation flexing.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044742.XU CN203728393U (en) | 2014-01-24 | 2014-01-24 | Distributor for lifting large thin-wall secure shell and passive water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044742.XU CN203728393U (en) | 2014-01-24 | 2014-01-24 | Distributor for lifting large thin-wall secure shell and passive water tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203728393U true CN203728393U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044742.XU Expired - Lifetime CN203728393U (en) | 2014-01-24 | 2014-01-24 | Distributor for lifting large thin-wall secure shell and passive water tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN203728393U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106429791A (en) * | 2016-11-10 | 2017-02-22 | 大连益利亚工程机械有限公司 | Special hoisting sling and hoisting method for nuclear power station CR10 and reinforcing steel bar composite module |
| CN106744368A (en) * | 2015-11-25 | 2017-05-31 | 南京赛宝工业技术研究院 | A kind of radar equipment hanging method |
| CN108275559A (en) * | 2017-11-09 | 2018-07-13 | 中国核工业第五建设有限公司 | A kind of nuclear power steel containment vessel lifting distributor |
-
2014
- 2014-01-24 CN CN201420044742.XU patent/CN203728393U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104098017B (en) * | 2014-01-24 | 2015-12-09 | 浙江大学 | Distributor and force transmission method for hoisting large thin-wall containment and passive water tank |
| CN106744368A (en) * | 2015-11-25 | 2017-05-31 | 南京赛宝工业技术研究院 | A kind of radar equipment hanging method |
| CN106429791A (en) * | 2016-11-10 | 2017-02-22 | 大连益利亚工程机械有限公司 | Special hoisting sling and hoisting method for nuclear power station CR10 and reinforcing steel bar composite module |
| 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 |
| CN108275559A (en) * | 2017-11-09 | 2018-07-13 | 中国核工业第五建设有限公司 | A kind of nuclear power steel containment vessel lifting distributor |
| CN108275559B (en) * | 2017-11-09 | 2020-03-27 | 中国核工业第五建设有限公司 | Nuclear power steel containment hoisting distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310058 Xihu District, Zhejiang, Yuhang Tong Road, No. 866, No. Patentee after: Zhejiang University Patentee after: Chinese energy construction group Zhejiang construction of fire and electricity Co., Ltd Address before: 310058 Xihu District, Zhejiang, Yuhang Tong Road, No. 866, No. Patentee before: Zhejiang University Patentee before: Zhejiang Thermal Power Construction Co. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |