CN105756080A - Multifunctional nuclear-power-plant reactor-core cross-beam underframe foundation - Google Patents
Multifunctional nuclear-power-plant reactor-core cross-beam underframe foundation Download PDFInfo
- Publication number
- CN105756080A CN105756080A CN201610271546.XA CN201610271546A CN105756080A CN 105756080 A CN105756080 A CN 105756080A CN 201610271546 A CN201610271546 A CN 201610271546A CN 105756080 A CN105756080 A CN 105756080A
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- China
- Prior art keywords
- girder steel
- studs
- underframe
- steel beam
- reactor core
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
Abstract
The invention relates to a multifunctional nuclear-power-plant reactor-core cross-beam underframe foundation.The multifunctional nuclear-power-plant reactor-core cross-beam underframe foundation comprises a #-shaped underframe arranged on concrete and composed of a first upper steel beam, a first lower steel beam, a first left steel beam and a first right steel beam.A second left steel beam and a second right steel beam are perpendicularly arranged at the two ends between the first upper steel beam and the first lower steel beam respectively, a second upper steel beam and a second lower steel beam are perpendicularly arranged at the two ends between the first left steel beam and the first right steel beam respectively, and the second left steel beam, the second right steel beam, the second upper steel beam and the second lower steel beam are each provided with a plurality of fixing assemblies.According to the underframe foundation, the installing size and the measuring size are guaranteed by designing device bolts; the double-screw bolt lengthening aim is achieved by connecting two double-screw bolts, the effect of fixing the underframe is achieved, installing is convenient, and recycling is easy.
Description
Technical field
The invention belongs to building machinery engineering field, relate to a kind of underframe basis, especially relate to the multi-functional cross beam underframe basis of a kind of nuclear power station reactor core.
Background technology
Nuclear island of nuclear power station engineering, compared with civilian, industrial building engineering, is characterized in that floor space is little, and engineering subitem is many；Cast-in-place concrete amount is big, cycle length, basis are deep, and Factory Building height differs；Each building horizontal layout is compact, except around the containment of reactor building and except being provided with expansion joint between other Factory Buildings and indivedual Factory Building, other Factory Buildings are whole to be watered together, middle tight, forms city, all round closure district, and whole construction area is without horizontal transport channel, therefore tower crane has become the key equipment of construction, existing nuclear island tower crane is generally adopted concrete foundation, but due to the core level requirement of nuclear island reactor core concrete, adopts said method to easily cause tower crane and in running, reactor core concrete is damaged.
Summary of the invention
Present invention seek to address that drawbacks described above, it is provided that the multi-functional cross beam underframe basis of a kind of nuclear power station reactor core.
In order to overcome the defect existed in background technology, the technical solution adopted for the present invention to solve the technical problems is: the multi-functional cross beam underframe basis of a kind of nuclear power station reactor core, including be arranged on concrete by upper girder steel one, lower girder steel one, the groined type underframe of left girder steel one and right girder steel one composition, two ends between described upper girder steel one and lower girder steel one are respectively perpendicular and are provided with left girder steel two and right girder steel two, two ends between left girder steel one and right girder steel one are respectively perpendicular and are provided with girder steel two and lower girder steel two, left girder steel two, right girder steel two, upper girder steel two and lower girder steel two are equipped with some fixation kits.
In a preferred embodiment of the present invention, fixation kit includes girder steel three, studs two, pipe and the built-in fitting being embedded in concrete, described built-in fitting is made up of embedded nut group and studs one, described embedded nut group connects one end of studs one, the other end of studs one stretches out concrete and is arranged with pipe, described girder steel three is vertically set on girder steel two, and it is parallel with girder steel one, studs two it is provided with in girder steel three, girder steel three is stretched out in one end of described studs two, and fixed by nut group, the other end of described studs two is contacted with studs one and is fastenedly connected by pipe.
In a preferred embodiment of the present invention, pipe two ends are provided with the screw thread matched with studs one and studs two, and are provided with local strengthening at studs one and studs two joint on pipe.
In a preferred embodiment of the present invention, outside nut group, it is arranged with preventer.
In a preferred embodiment of the present invention, fixation kit is 16 groups, is arranged on uniformly respectively on left girder steel two, right girder steel two, upper girder steel two and lower girder steel two.
In a preferred embodiment of the present invention, girder steel one and lower girder steel one are all stretched out in the two ends of left girder steel two and right girder steel two, left girder steel one and right girder steel one are all stretched out in the two ends of upper girder steel two and lower girder steel two, and described fixation kit is distributed along upper girder steel one, lower girder steel one, left girder steel one and right girder steel one axial symmetry respectively.
In a preferred embodiment of the present invention, between girder steel one and concrete, it is provided with backing plate.
In a preferred embodiment of the present invention, girder steel one, girder steel two all adopt I-steel, and described girder steel three adopts channel-section steel that spelling is formed.
The invention has the beneficial effects as follows: owing to nuclear island reactor core concrete core level requires and nuclear island reactor core narrow space, can not there is bigger pre-buried embedment concrete, and greater depth or the heavy seam of larger area can not occur, damage to concrete to prevent tower crane from running, so conventional base cannot meet reactor core tower crane installation requirement, need plus the measurement in nuclear island, must install at reactor core and measure pylon, therefore this underframe basis not only acts as installation tower crane effect, also provides underframe and space for the installation of construction stage other equipment of reactor core.Equipment bolt two studs of employing on underframe basis connect and reach the purpose of spreading stud, are used for fixing underframe, and easy for installation, it is easy to reclaim.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is A-A sectional view in Fig. 1.
Detailed description of the invention
The multi-functional cross beam underframe basis of a kind of nuclear power station reactor core as depicted in figs. 1 and 2, including be arranged on concrete by upper girder steel 1, lower girder steel 1, the groined type underframe of left girder steel 1 and right girder steel 1 composition, two ends between upper girder steel 1 and lower girder steel 1 are respectively perpendicular and are provided with left girder steel 2 23 and right girder steel 2 24, two ends between left girder steel 1 and right girder steel 1 are respectively perpendicular and are provided with girder steel 2 21 and lower girder steel 2 22, left girder steel 2 21, right girder steel 2 22, upper girder steel 2 23 and lower girder steel 2 24 are equipped with some fixation kits 4, by some fixation kits, groined type underframe is firmly fixed, ensure that the firmness of underframe.
nullFixation kit 4 includes girder steel 33、Studs 2 41、Pipe 42 and the built-in fitting being embedded in concrete，Built-in fitting is made up of embedded nut group 43 and studs 1，Embedded nut group 43 connects one end of studs 1，The other end of studs 1 stretches out concrete and is arranged with pipe 42，Described girder steel 33 is vertically set on girder steel 22，And it is parallel with girder steel 1，Studs 2 41 it is provided with in girder steel 33，Girder steel 33 is stretched out in one end of studs 2 41，And fixed by nut group 45，Make girder steel three and girder steel two close contact，Strengthen the globality between girder steel three and girder steel two，Improve bulk strength，The other end of studs 2 41 contacts with studs 1 and passes through pipe 42 and is fastenedly connected，Fix tower crane not owing to equipment bolt exposes concrete size and measure the underframe of pylon，Therefore with studs two spreading studs one in this basis，Reach the effect of fixed frame.
Pipe two ends are provided with the screw thread matched with studs 1 and studs 2 41, conveniently it is connected with studs one and the quick of studs two, and pipe is provided with local strengthening at studs one and studs two joint, be conducive to increasing the intensity of studs one and studs two junction.
It is arranged with preventer 47 outside nut group 45, plays the effect of protection nut group and studs two end.
Fixation kit 3 is 16 groups, is arranged on left girder steel 2 23, right girder steel 2 24, upper girder steel 2 21 and lower girder steel 2 22 respectively uniformly, can according to field demand suitable adjust the position of fixation kit and quantity.
Girder steel 1 and lower girder steel 1 are all stretched out in the two ends of left girder steel 2 23 and right girder steel 2 24, left girder steel 1 and right girder steel 1 are all stretched out in the two ends of upper girder steel 2 21 and lower girder steel 2 22, described fixation kit 3 is distributed along upper girder steel 1, lower girder steel 1, left girder steel 1 and right girder steel 1 axial symmetry respectively, and the arrangement mode firmness of above-mentioned fixing piece is of a relatively high.
It is provided with backing plate 5 between girder steel 1 and concrete, plays levelling effect.
Girder steel 1, girder steel 22 all adopt I-steel, and girder steel 33 adopts channel-section steel that spelling is formed.
The installation of embedded parts that embedded nut group 43 and studs 1 form is postponed casting concrete to specific bit, then mounting shaft font chassis member, girder steel two and girder steel three are installed successively again, pipe is connected with the studs one being exposed at outside concrete, then between two channel-section steels of girder steel three, penetrate studs two, and be connected with pipe, the two ends of one end nut group fastening pipe that studs two finally stretches out girder steel three are equipped with the screw thread mated with studs one and studs two, and pipe is provided with local strengthening, this kind of mode adds studs one and the intensity of studs two junction, increase the firmness on whole underframe basis.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (8)
1. the multi-functional cross beam underframe basis of nuclear power station reactor core, it is characterized in that: include the groined type underframe being made up of upper girder steel one, lower girder steel one, left girder steel one and right girder steel one being arranged on concrete, two ends between described upper girder steel one and lower girder steel one are respectively perpendicular and are provided with left girder steel two and right girder steel two, two ends between described left girder steel one and right girder steel one are respectively perpendicular and are provided with girder steel two and lower girder steel two, described left girder steel two, right girder steel two, upper girder steel two and lower girder steel two are equipped with some fixation kits.
2. the multi-functional cross beam underframe of nuclear power station reactor core is basic according to claim 1, it is characterized in that: described fixation kit includes girder steel three, studs two, pipe and the built-in fitting being embedded in concrete, described built-in fitting is made up of embedded nut group and studs one, described embedded nut group connects one end of studs one, the other end of studs one stretches out concrete and is arranged with pipe, described girder steel three is vertically set on girder steel two, and it is parallel with girder steel one, it is provided with studs two in described girder steel three, girder steel three is stretched out in one end of described studs two, and fixed by nut group, the other end of described studs two is contacted with studs one and is fastenedly connected by pipe.
3. the multi-functional cross beam underframe of nuclear power station reactor core is basic according to claim 2, it is characterized in that: described pipe two ends are provided with the screw thread matched with studs one and studs two, and are provided with local strengthening at studs one and studs two joint on pipe.
4. the multi-functional cross beam underframe of nuclear power station reactor core is basic according to claim 1, it is characterised in that: it is arranged with preventer outside described nut group.
5. the multi-functional cross beam underframe of nuclear power station reactor core is basic according to claim 1, it is characterised in that: described fixation kit is 16 groups, is arranged on uniformly respectively on left girder steel two, right girder steel two, upper girder steel two and lower girder steel two.
6. the multi-functional cross beam underframe basis of nuclear power station reactor core according to claim 1 or 5, it is characterized in that: girder steel one and lower girder steel one are all stretched out in the two ends of described left girder steel two and right girder steel two, left girder steel one and right girder steel one are all stretched out in the two ends of described upper girder steel two and lower girder steel two, and described fixation kit is distributed along upper girder steel one, lower girder steel one, left girder steel one and right girder steel one axial symmetry respectively.
7. the multi-functional cross beam underframe of nuclear power station reactor core is basic according to claim 1, it is characterised in that: it is provided with backing plate between described girder steel one and concrete.
8. the multi-functional cross beam underframe of nuclear power station reactor core is basic according to claim 2, it is characterised in that: described girder steel one, girder steel two all adopt I-steel, and described girder steel three adopts channel-section steel that spelling is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610271546.XA CN105756080A (en) | 2016-04-28 | 2016-04-28 | Multifunctional nuclear-power-plant reactor-core cross-beam underframe foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610271546.XA CN105756080A (en) | 2016-04-28 | 2016-04-28 | Multifunctional nuclear-power-plant reactor-core cross-beam underframe foundation |
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|---|---|
| CN105756080A true CN105756080A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610271546.XA Pending CN105756080A (en) | 2016-04-28 | 2016-04-28 | Multifunctional nuclear-power-plant reactor-core cross-beam underframe foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575034A (en) * | 2017-08-25 | 2018-01-12 | 上海建工集团股份有限公司 | A kind of corner structure and construction method of steel platform formwork system bottom steel crossbeam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11336097A (en) * | 1998-05-26 | 1999-12-07 | Fujita Corp | Foundation construction method |
| KR20020017306A (en) * | 2000-08-29 | 2002-03-07 | 김희, 이방주 | connetion structure of fixing and connecting steel girder in reinforcement concrete column and construction method |
| CN104404975A (en) * | 2014-11-22 | 2015-03-11 | 孙晨 | Universal five-point support loading type tower crane foundation and construction method |
| CN205712166U (en) * | 2016-04-28 | 2016-11-23 | 中核华兴达丰机械工程有限公司 | Nuclear power station reactor core multi-functional cross beam underframe basis |
-
2016
- 2016-04-28 CN CN201610271546.XA patent/CN105756080A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11336097A (en) * | 1998-05-26 | 1999-12-07 | Fujita Corp | Foundation construction method |
| KR20020017306A (en) * | 2000-08-29 | 2002-03-07 | 김희, 이방주 | connetion structure of fixing and connecting steel girder in reinforcement concrete column and construction method |
| CN104404975A (en) * | 2014-11-22 | 2015-03-11 | 孙晨 | Universal five-point support loading type tower crane foundation and construction method |
| CN205712166U (en) * | 2016-04-28 | 2016-11-23 | 中核华兴达丰机械工程有限公司 | Nuclear power station reactor core multi-functional cross beam underframe basis |
Non-Patent Citations (1)
| Title |
|---|
| 赵广平: "塔式起重机的扶墙与地梁设计探讨", 《价值工程》, pages 126 - 127 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575034A (en) * | 2017-08-25 | 2018-01-12 | 上海建工集团股份有限公司 | A kind of corner structure and construction method of steel platform formwork system bottom steel crossbeam |
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