CN106321603B - A kind of sun gasket of nuclear power station steam-water pipe suspension and support - Google Patents
A kind of sun gasket of nuclear power station steam-water pipe suspension and support Download PDFInfo
- Publication number
- CN106321603B CN106321603B CN201610948507.9A CN201610948507A CN106321603B CN 106321603 B CN106321603 B CN 106321603B CN 201610948507 A CN201610948507 A CN 201610948507A CN 106321603 B CN106321603 B CN 106321603B
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- gasket
- sun
- sticking department
- ontology
- Prior art date
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Links
- 239000000725 suspension Substances 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910000639 Spring steel Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 210000002105 tongue Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- 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
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
- F16B39/26—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
- Gasket Seals (AREA)
Abstract
The present invention discloses a kind of sun gasket of nuclear power station steam-water pipe suspension and support, the sun gasket is annular shape, and include the halfround bar slice of two centrosymmetric semi-annular shapes being detachably connected, halfround bar slice includes the ontology of arc-shaped, first connecting portion in the one end of the ontology is set, second connecting portion in described ontology the other end is set, and it is separately positioned on the first connecting portion, the first sticking department in the second connecting portion and the second sticking department, when two halfround bar slices it is combined at annular shape when, the first sticking department and the second sticking department on two halfround bar slices being capable of mutually lockings.The present invention forms sun gasket by two halfround bar slice mutually lockings, can carry out installation and replacement in the lower of premise for the suspension and support that do not disintegrate, simultaneously, it is simple in structure, and convenient for batch production, in addition, the self-locking performance matter of structure ensure that the risk to fall off is not present in the gasket and nut.
Description
Technical field
The present invention relates to nuclear power generating equipment field, especially a kind of sun gasket of nuclear power station steam-water pipe suspension and support.
Background technology
The connecting portion of nuclear power station steam-water pipe suspension and support is set there are two nut, by between two nuts torque and rub
Wipe the close and reliable of card connection of trying hard to keep.
On the one hand, since steam-water pipe is inevitably stimulated by fluids within pipes or extrinsic motivation, there are differences
The Vibration Condition of degree, causes nut inevitably to loosen;Another aspect nuclear power plant steam-water pipe suspension and support mainly according to
According to DL T982-2005《Nuclear power plant's steam-water pipe and suspension and support repair adjustment directive/guide》, each power plant's suspension and support maintenance procedure carry out mesh
Inspection is looked into, but due to remote visual inspection, is caused part high-altitude suspension and support locking nut to loosen and be not easy to be found, then by shaking
Dynamic influence eventually leads to nut high-altitude and falls off, and causes high-altitude junk to hit equipment and personnel, the safe operation to nuclear power station
Serious security threat is produced, similar situation also occurs repeatedly in other units, and carries out multiple Experience Feedback, becomes each core
Power station urgent problem to be solved.
Common method is to install the sun additional between two nuts(It is anti-skidding)Gasket, but installation process has in suspension and support
The construction and installation stage installs after disintegrating to the suspension and support to have worked.
The existing sun(It is anti-skidding)Gasket installation process has in suspension and support construction and installation stage or the branch to having worked
Hanger is installed after being disintegrated.The suspension and support of nuclear power station conventional island generally has many thousands of, if disintegrating installation in turn, is not only
Workload is huge, and a repair time window is difficult to realize(Repair time window is generally one month or so), it is often more important that,
Technically there are risks:Each suspension and support has designed bearing load on steam-water pipe, and disintegrates to install additional and mean that
Suspension and support unloaded, and need to substitute the load of the branch suspension centre otherwise, while ensured on pipeline
The load and piping displacement of each suspension and support do not change(The variation of load and displacement may all lead to pipeline internal stress point
Cloth changes, and damage may be generated to pipeline when serious), therefore also technically there is difficulty.
Therefore, it is badly in need of at present a kind of it is not necessary that the suspension and support to have worked is carried out the sun gasket that can be added that disintegrates.
Invention content
The object of the present invention is to provide a kind of for nuclear power station steam-water pipe suspension and support without the suspension and support that will work
Carry out the sun gasket that can be added that disintegrates.
In order to achieve the above objectives, the technical solution adopted by the present invention is:A kind of sun of nuclear power station steam-water pipe suspension and support
Gasket, the sun gasket are annular shape, include the halfround bar slice of two centrosymmetric semi-annular shapes being detachably connected, described
Halfround bar slice includes the ontology of arc-shaped;First connecting portion in the one end of the ontology is set;Setting is another in the ontology
The second connecting portion of end;And be separately positioned on the first connecting portion, the first sticking department in the second connecting portion and
Second sticking department, when two halfround bar slices it is combined at annular shape when, the first sticking department on two halfround bar slices and the second lock
Determining portion being capable of mutually locking.
Preferably, the outer ring of the ontology it is radial extend outwardly be provided with multiple blades.
Preferably, the blade is provided with 3.
It is further preferred that the angle between the two neighboring blade is 45 °.
Preferably, the sun gasket uses alloy spring steel.
Preferably, the first connecting portion and the second connecting portion close to the opening side of the ontology side along
The length direction distribution of a diameter of annulus where the ontology.
It is further preferred that first sticking department and second sticking department are in the first connecting portion and described second
Edge of the interconnecting piece close to the side of the opening of the ontology is arranged.
It is further preferred that first sticking department is the through-hole being arranged in the first connecting portion, second lock
It is that vertically plane where the ontology upwardly extends the lock tongue of setting from a side of the second connecting portion to determine portion.
It is further preferred that the through-hole is rectangular opening.
It is further preferred that the first connecting portion is put down where the edge part where the through-hole to the vertical ontology
Being extended upwardly has positioning region.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art:
The present invention forms sun gaskets by two halfround bar slice mutually lockings, the suspension and support that do not disintegrate premise it is lower
Carry out installation and replacement, meanwhile, it is simple in structure, and convenient for batch production, in addition, the self-locking performance matter of structure ensure that the gasket and
The risk to fall off is not present in nut.
Description of the drawings
Attached drawing 1 is the schematic diagram of sun gasket of the present invention;
Attached drawing 2 is the schematic diagram before halfround bar slice of the present invention folds;
Attached drawing 3 is the schematic diagram after halfround bar slice of the present invention folds.
In the figures above:1, halfround bar slice;11, ontology;12, first connecting portion;13, second connecting portion;21, the first locking
Portion;22, the second sticking department;3, blade;4, positioning region.
Specific implementation mode
The invention will be further described for embodiment shown in below in conjunction with the accompanying drawings:
Shown in attached drawing 1, a kind of sun gasket of nuclear power station steam-water pipe suspension and support, suspension and support in the present embodiment
The a diameter of 36mm of sunpender ruler, locking nut inscribed circle diameter are 63.5mm, and the part that nut connector is contacted with locking nut is
A diameter of 91mm, the present embodiment sun gasket is circular, internal diameter 40mm, outer diameter 120mm, including two centrosymmetric
The halfround bar slice 1 for the semi-annular shape being detachably connected, halfround bar slice 1 include the ontology 11 of arc-shaped;One end in ontology 11 is set
First connecting portion 12;Second connecting portion 13 in 11 the other end of ontology is set;And be separately positioned on first connecting portion 12,
The first sticking department 21 in second connecting portion 13 and the second sticking department 22, when two halfround bar slices 1 it is combined at annular shape when, two
The first sticking department 21 and the second sticking department 22 on halfround bar slice 1 being capable of mutually lockings.
The outer ring of ontology 11 is radial to extend outwardly and is provided with 3 blades 3, in 45 °, 90 °, 135 ° of distributions.
First connecting portion 12 and second connecting portion 13 are round along 11 place of ontology close to the side of the opening side of ontology 11
The length direction of one diameter of ring is distributed.First sticking department 21 and the second sticking department 22 are in first connecting portion 12 and second connecting portion
13 edge close to the side of the opening of ontology 11 is arranged.First sticking department 21 is the through-hole being arranged in first connecting portion 12,
Second sticking department 22 is the lock tongue that setting is upwardly extended from the vertical 11 place plane of ontology of a side of second connecting portion 13.Through-hole
For rectangular opening.First connecting portion 12 upwardly extends to 11 place plane of vertical ontology in the edge part where through-hole and is provided with positioning
Portion 4.
Shown in attached drawing 1, wherein each angle point rounded corner 1mm in the present embodiment.Gasket uses alloy spring steel, alloy bullet
Spring steel feature has higher yield point and yield tensile ratio, elastic limit, anti-fatigue ability, and ensures there are enough elastic deformation energy
Power simultaneously bears larger load.
Shown in attached drawing 2,1 processing method of halfround bar slice of the present embodiment is using primary stamping.Then such as 3 institute of attached drawing
Show, the second sticking department 22 and positioning region 4 are folded up in 90 °, that is, machines a halfround bar slice 1.
It shown in attached drawing 1, waits when in use, two 1 lock tongues of halfround bar slice is connected with through-hole and are combined into one completely
Sun gasket, after nut is tightened, two halfround bar slices 1 form the entirety of self-locking with nut, and sun gasket ensure that two up and down
The opposite changing of the relative positions does not occur between nut, and the changing of the relative positions does not occur and ensures that two halfround bar slices 1 disintegrate without space yet for nut, to
It ensure that nut will not be loosened or even be fallen.
In conclusion the sun gasket of this implementation have the characteristics that it is following:
1. under the premise of not disintegrating suspension and support, installation and replacement can be carried out, shutdown operation is not necessarily to, does not influence other journeys
The normal operation of sequence avoids unnecessary economic loss;
2. being arranged using symmetrical structure, it is suitble to large batch of production, it is also very convenient when use;
3. the self-locking of structure ensures that security reliability, while also thoroughly solving nut and gasket is easy to fall off
Problem;
4. having versatility, other industry can be used for.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of sun gasket of nuclear power station steam-water pipe suspension and support, in annular shape, it is characterised in that:The sun gasket packet
The halfround bar slice of two centrosymmetric semi-annular shapes being detachably connected is included, the halfround bar slice includes the ontology of arc-shaped;Setting
In the first connecting portion of the one end of the ontology;Second connecting portion in described ontology the other end is set;And it sets respectively
The first sticking department and the second sticking department in the first connecting portion, the second connecting portion are set, when two halfround bar slices
It is combined at annular shape when, the first sticking department and the second sticking department on two halfround bar slices being capable of mutually lockings;
The first connecting portion and the second connecting portion close to the opening side of the ontology side along the ontology institute
In the length direction distribution of a diameter of annulus;
First sticking department and second sticking department are in the first connecting portion and the second connecting portion close to described
The edge of the side of the opening of body is arranged;
First sticking department is the through-hole being arranged in the first connecting portion, and second sticking department is to connect from described second
Vertically plane where the ontology upwardly extends the lock tongue of setting to a side of socket part;
The through-hole is rectangular opening;
The first connecting portion is upwardly extended in plane where the edge part where the through-hole to the vertical ontology and is provided with
Positioning region.
2. a kind of sun gasket of nuclear power station steam-water pipe suspension and support according to claim 1, it is characterised in that:Described
The outer ring of body is radial to extend outwardly and is provided with multiple blades.
3. a kind of sun gasket of nuclear power station steam-water pipe suspension and support according to claim 2, it is characterised in that:The leaf
Piece is provided with 3.
4. a kind of sun gasket of nuclear power station steam-water pipe suspension and support according to claim 3, it is characterised in that:Adjacent two
Angle between a blade is 45 °.
5. a kind of sun gasket of nuclear power station steam-water pipe suspension and support according to claim 1, it is characterised in that:It is described too
Positive gasket uses alloy spring steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610948507.9A CN106321603B (en) | 2016-11-02 | 2016-11-02 | A kind of sun gasket of nuclear power station steam-water pipe suspension and support |
Applications Claiming Priority (1)
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CN201610948507.9A CN106321603B (en) | 2016-11-02 | 2016-11-02 | A kind of sun gasket of nuclear power station steam-water pipe suspension and support |
Publications (2)
Publication Number | Publication Date |
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CN106321603A CN106321603A (en) | 2017-01-11 |
CN106321603B true CN106321603B (en) | 2018-10-23 |
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CN201610948507.9A Active CN106321603B (en) | 2016-11-02 | 2016-11-02 | A kind of sun gasket of nuclear power station steam-water pipe suspension and support |
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CN107882849A (en) * | 2017-12-15 | 2018-04-06 | 保定华铁电气化供电器材设备有限公司 | A kind of anti-dropping gasket and anchor bolt antisepsis protector |
CN110091203B (en) * | 2019-05-28 | 2021-02-26 | 重庆九源机械有限公司 | Fast-assembling type lead screw prestretches structure |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US5079388A (en) * | 1989-12-01 | 1992-01-07 | Peter J. Balsells | Gasket for sealing electromagnetic waves |
CN103161867A (en) * | 2011-12-12 | 2013-06-19 | 湖北三环离合器有限公司 | Special-shaped damping spacer with variable controllable damping |
CN205424852U (en) * | 2015-12-25 | 2016-08-03 | 梅州市亮如昼科技有限公司 | Novel gasket |
CN205350017U (en) * | 2016-03-02 | 2016-06-29 | 尹兵兵 | Engineering machine tool quick assembly disassembly gasket |
CN206111803U (en) * | 2016-11-02 | 2017-04-19 | 苏州热工研究院有限公司 | Nuclear power station soda pipe -hanger's sun gasket |
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