CN104533924B - A kind of fastening structure being applicable to packaged type floating nuclear power plant platform - Google Patents
A kind of fastening structure being applicable to packaged type floating nuclear power plant platform Download PDFInfo
- Publication number
- CN104533924B CN104533924B CN201510019805.5A CN201510019805A CN104533924B CN 104533924 B CN104533924 B CN 104533924B CN 201510019805 A CN201510019805 A CN 201510019805A CN 104533924 B CN104533924 B CN 104533924B
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- Prior art keywords
- bolt
- nut
- nuclear power
- stove
- fastening structure
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- 238000007667 floating Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010018265 Gigantism Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/041—Releasable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses a kind of fastening structure being applicable to packaged type floating nuclear power plant platform, the platform including bolt column body, connected by bolt column body and two nuts matched with bolt column body, described nut is evenly arranged with multiple stove bolt hole, by installing stove bolt connection in stove bolt hole between adjacent two nuts.The present invention is according to actual marine situation and characteristic, existing fastening structure is made that improvement: utilize bolt to screw principle, the end face of nut arranges multiple stove bolt hole and by configuring the frame mode of stove bolt, the multiple stove bolt holes arranged decrease the weight of mother nut, utilize the end face being fixed and dispersed within nut between being uniformly distributed nut of stove bolt simultaneously, contact area between two nuts is increased, lifting surface area each other strengthens, greatly reduce the loosening probability between nut, add the sealing property that bolt is overall.
Description
Technical field
The present invention relates to floating nuclear power plant field, a kind of fastening structure being applicable to packaged type floating nuclear power plant platform.
Background technology
Floating nuclear power plant can be used for generating electricity, desalinizes seawater, heating, can meet the special requirement of block supply, district heating, offshore oil exploitation, chemical industry, polar region or remote districts, isolated island etc..For China is domestic, floating nuclear power plant can meet the fairly large demand to the energy such as the island away from continent, oil drilling platform, the abundant energy is provided at the aspect such as supply of electric power, desalinization, it is possible to apply on military base and island as military small cores power supply for China coast Islands Exploitation, deep-sea oil gas exploitation.At present, domestic there is no in-service or at the marine nuclear power station built.External only Russia has one at the floating type nuclear power station built in shipyard, the Baltic Sea.By update search, can search for abroad that other, about the technical literature of Russia's floating nuclear power plant, but is all based on offshore and fixes the technical scheme of boat form floating nuclear power plant.
Marine floating nuclear power platform is because of the adverse circumstances of ocean and the restriction of the decay resistance of self platform material, general useful life only has about 20 years, and according to the standard of three generations's nuclear power, the useful life of General reactions heap can reach 60 years, and the effective storage life so causing floating nuclear power plant reactor will be considerably beyond the use time of ocean platform.In order to preferably realize the service efficiency of floating reactor, improve its economy, can consider that packaged type floating nuclear power plant designs, assemble after individually being built with platform by nuclear island again, reactor can be separated after having arrived service life and is continuing with above other platforms by platform.Employing fastening bolt is attached, and is a kind of simple and feasible connected mode, both can ensure that the fastness of connection, can be easy to again follow-up dismounting and remove.In addition, general ocean platform size is more than 300M, steel safety shell height is more than 30M, because of platform and the gigantism of metal containment and weight, installation specification requirement, the fastening bolt using super large-scale is needed to connect, general length more than 3 meters, the fastening bolt that diameter is 0.5 meter, weight can reach about 2t, because of weight relationships, at sea can be very inconvenient during installation screw.
But there is a lot of defects in the bolt fastening means of design at present during actual experiment uses: Attention problems does not has land convenient, limit the size of bolt, the fatigue aging of this outer bolt, constantly impacting and sustained vibration of fluid media (medium) generation etc. during reactor operation of sea water, platform will be produced and vibrate constantly, loosened screw can be caused, affect bolt fastening effect, finally affect the fixing situation of reactor steel safety shell and platform.
Summary of the invention
It is an object of the invention to provide and be applied to a kind of fastening structure being applicable to packaged type floating nuclear power plant platform, solve the problem being difficult to operation, being susceptible to loosen that current fastening structure exists.
The purpose of the present invention is achieved through the following technical solutions:
A kind of fastening structure being applicable to packaged type floating nuclear power plant platform, the platform including bolt column body, connected by bolt column body and two nuts matched with bolt column body, described nut is evenly arranged with multiple stove bolt hole, by installing stove bolt connection in stove bolt hole between adjacent two nuts.nullUsing bolt to carry out the connection between parts is common technology means of the prior art，The compounding technique of screw bolt and nut is the most ripe and is widely used，The floating nuclear power plant of China is design when，Also it is designed as using the structure that is connected of traditional bolts and nuts，Do not go wrong in software is simulated，Also it is and easy uncared-for technology point，But during the simulation of physical model uses，Due to sea, to float the installation environment in power station different from the installation environment of land，Therefore，The installation difficulty of bolt is bigger，And，The fixing bolt of this kind of platform，It is relatively large in diameter，Weight is bigger，The installation difficulty more making installation equipment strengthens，If need not dismounting and change，The mode that would generally use welding is fixed，Avoid occurring to loosen phenomenon，But under major diameter nut needs the requirement of dismounting，Float context at sea carries out the technology that the fastening problems of nut bolt can not used for reference，The most can be not for reference to the character introduction of this problem，In actual simulation uses，Applicant has carried out substantial amounts of research to this problem，According to actual marine situation and characteristic，Existing fastening structure is made that improvement: utilize bolt to screw principle，The end face of nut arranges multiple stove bolt hole、And by configuring the frame mode of stove bolt，The multiple stove bolt holes arranged decrease the weight of mother nut，Utilize the end face being fixed and dispersed within nut between being uniformly distributed nut of stove bolt simultaneously，Contact area between two nuts is increased，Lifting surface area each other strengthens，Greatly reduce the loosening probability between nut，Add the sealing property that bolt is overall.
Described stove bolt is dormant bolt, and its top is provided with " ten " word notch or " one " word notch.Use the form of dormant bolt, it is possible to achieve the entirety of nut meets use requirement, and arranges " ten " word notch or " one " word notch by the top of dormant bolt, can carry out the installing/dismounting of stove bolt at platform surface, reduce further installation difficulty.
The rotation direction of described bolt column body is oppositely oriented with stove bolt.By using the means of the rotation direction of bolt column body and the oppositely oriented of stove bolt, the sealing property between nut can be improved, thus reduce the probability loosened.
Two end faces up and down at described nut are provided with a plurality of antiskid groove.By the way of antiskid groove is set, the coefficient of friction between two nut contact surfaces can be increased, increase frictional resistance, improve sealing property.
Also include the elastic washer matched with described stove bolt.The effect of elastic washer is to improve prestressing force, can prevent stove bolt from loosening.
The present invention compared with prior art, has such advantages as and beneficial effect:
A kind of fastening structure being applicable to packaged type floating nuclear power plant platform of 1 present invention, according to actual marine situation and characteristic, existing fastening structure is made that improvement: utilize bolt to screw principle, the end face of nut arranges multiple stove bolt hole, and by configuring the frame mode of stove bolt, the multiple stove bolt holes arranged decrease the weight of mother nut, utilize the end face being fixed and dispersed within nut between being uniformly distributed nut of stove bolt simultaneously, contact area between two nuts is increased, lifting surface area each other strengthens, greatly reduce the loosening probability between nut, add the sealing property that bolt is overall；
A kind of fastening structure being applicable to packaged type floating nuclear power plant platform of 2 present invention, arranges " ten " word notch or " one " word notch by the top of dormant bolt, can carry out the installing/dismounting of stove bolt at platform surface, reduce further installation difficulty.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present invention.
Labelling and corresponding parts title in accompanying drawing:
1 bolt column body, 2 platforms, 3 nuts, 4 stove bolt holes, 5 stove bolts, 6 antiskid grooves, 7 elastic washers.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
Schematic diagram as shown in Figure 1, a kind of fastening structure being applicable to packaged type floating nuclear power plant platform, the platform 2 including bolt column body 1, connected by bolt column body 1 and two nuts 3 matched with bolt column body 1, nut 3 is evenly arranged with six stove bolt holes 4, is connected by installation stove bolt 5 in stove bolt hole 4 between adjacent two nuts 3；Using six common limits or eight limit nuts 3, at each corner angle, arrange corresponding stove bolt hole 4 according to certain specification, be used for installing stove bolt 5, general six limit bolts can install six small-sized fastening bolts, and eight limit bolts can install eight small-sized fastening bolts；Stove bolt 5 is dormant bolt, and its top is provided with " ten " word notch or " one " word notch；The rotation direction of bolt column body 1 is oppositely oriented with stove bolt 5, and two end faces up and down of nut 3 are provided with a plurality of antiskid groove 6；Stove bolt 5 is configured with the elastic washer 7 matched.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, and any simple modification that above example is made by every technical spirit according to the present invention, equivalent variations, within each falling within protection scope of the present invention.
Claims (5)
1. the fastening structure being applicable to packaged type floating nuclear power plant platform, the platform (2) including bolt column body (1), connected by bolt column body (1) and two nuts (3) matched with bolt column body (1), it is characterized in that: on described nut (3), be evenly arranged with multiple stove bolt hole (4), by installing stove bolt (5) connection in stove bolt hole (4) between adjacent two nuts (3).
A kind of fastening structure being applicable to packaged type floating nuclear power plant platform the most according to claim 1, it is characterised in that: described stove bolt (5) is dormant bolt, and its top is provided with " ten " word notch or " one " word notch.
A kind of fastening structure being applicable to packaged type floating nuclear power plant platform the most according to claim 1, it is characterised in that: the rotation direction of described bolt column body (1) is oppositely oriented with stove bolt (5).
A kind of fastening structure being applicable to packaged type floating nuclear power plant platform the most as claimed in any of claims 1 to 3, it is characterised in that: two end faces up and down at described nut (3) are provided with a plurality of antiskid groove (6).
A kind of fastening structure being applicable to packaged type floating nuclear power plant platform the most according to claim 4, it is characterised in that: also include the elastic washer (7) matched with described stove bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510019805.5A CN104533924B (en) | 2015-01-15 | 2015-01-15 | A kind of fastening structure being applicable to packaged type floating nuclear power plant platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510019805.5A CN104533924B (en) | 2015-01-15 | 2015-01-15 | A kind of fastening structure being applicable to packaged type floating nuclear power plant platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533924A CN104533924A (en) | 2015-04-22 |
| CN104533924B true CN104533924B (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510019805.5A Active CN104533924B (en) | 2015-01-15 | 2015-01-15 | A kind of fastening structure being applicable to packaged type floating nuclear power plant platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN104533924B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500351A (en) * | 2019-08-28 | 2019-11-26 | 嘉兴鼎祥汽车零部件有限公司 | A kind of double end high-strength impact-resistant automobile bolt |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE436064B (en) * | 1983-12-13 | 1984-11-05 | Skf Nova Ab | Lockable nut |
| FR2991410B1 (en) * | 2012-05-30 | 2014-07-04 | Ct Tech Des Ind Mecaniques | SCREW CLAMP ASSEMBLY |
| CN202756393U (en) * | 2012-06-25 | 2013-02-27 | 安徽禾恒冶金机械股份有限公司 | Left-and-right turning locking device with tightening screw on major diameter shaft end |
| CN203114845U (en) * | 2012-12-14 | 2013-08-07 | 贵阳险峰机床有限责任公司 | Symmetrical prepressing type anti-loosing screw nut assembly |
| CN203906509U (en) * | 2014-04-21 | 2014-10-29 | 长沙中联泵业有限公司 | Round nut locking structure |
| CN204387066U (en) * | 2015-01-15 | 2015-06-10 | 中国核动力研究设计院 | A kind of fastening structure being applicable to packaged type floating nuclear power plant platform |
-
2015
- 2015-01-15 CN CN201510019805.5A patent/CN104533924B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104533924A (en) | 2015-04-22 |
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