CN104700906B - A kind of equipment gate end socket - Google Patents

A kind of equipment gate end socket Download PDF

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Publication number
CN104700906B
CN104700906B CN201510061053.9A CN201510061053A CN104700906B CN 104700906 B CN104700906 B CN 104700906B CN 201510061053 A CN201510061053 A CN 201510061053A CN 104700906 B CN104700906 B CN 104700906B
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CN
China
Prior art keywords
socket
gate
equipment gate
socket main
main
Prior art date
Application number
CN201510061053.9A
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Chinese (zh)
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CN104700906A (en
Inventor
陈科
范章
梁文元
刘天斌
赵伟
郑岳山
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中国核电工程有限公司
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Application filed by 中国核电工程有限公司 filed Critical 中国核电工程有限公司
Priority to CN201510061053.9A priority Critical patent/CN104700906B/en
Publication of CN104700906A publication Critical patent/CN104700906A/en
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Publication of CN104700906B publication Critical patent/CN104700906B/en

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Classifications

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C13/00Pressure vessels; Containment vessels; Containment in general
    • G21C13/02Details
    • G21C13/06Sealing-plugs
    • G21C13/073Closures for reactor-vessels, e.g. rotatable
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The present invention discloses a kind of equipment gate end socket, end socket main body is butterfly structure, the outward flange of end socket main body is provided with the flange for being connected with containment, the built-in shell ring in openend of end socket main body, the shell ring is affixed with end socket main body, shell ring is provided with for controlling the tensioning apparatus with adjustment barrel pitch circle degree, and the both sides of end socket main body are provided with the guider for playing guide-localization.The equipment gate end socket, is easy to unlatching and the shutoff operation of equipment gate, saves taking up room for equipment gate;End socket can be prevented due to being produced excessive deformation by external pressure, the rigidity of end socket and flange is improve, so as to ensure the integrally-built sealing property of equipment gate;And end socket can be accurately positioned specified location under outside effect of contraction, and rocking for end socket is prevented effectively from, improve its shock resistance, it is ensured that the stability of gate.

Description

A kind of equipment gate end socket

Technical field

The invention belongs to equipment gate technical field in large nuclear power station, and in particular to a kind of equipment gate end socket.

Background technology

With the improvement and development of nuclear power technology, the heap-type of nuclear power plant just towards high power development, especially with existing three It is representative for nuclear power technology.After containment dome installation, the unique passage of large scale equipment turnover containment is exactly equipment gate. Cause that the main equipment in containment is constantly becoming big because the power of nuclear power plant increases, in order that large scale equipment can be passed in and out smoothly Containment, this is necessarily required to the equipment gate of bigger passage.After Fukushima accident, the shockproof requirements to nuclear power plant are tighter Lattice, ground peak accelerator is further improved.In equipment gate opening, when gate end socket is suspended on transport channel top, It is required that end socket can resist earthquake does not produce missile.

Containment is last one barrier for preventing radioactive substance from leaking, to reduce nuclear accident to the public and the shadow of environment Sound vital effect.When there is loss of-coolant accident (LOCA) in reactor building, containment needs to bear what is produced by accident High temperature and high pressure.Equipment gate is arranged on containment vessel, as a part for containment pressure boundary, must be carried The influence that temperature and pressure brings, and ensure sealing of the containment at equipment gate.

In large nuclear power station, equipment gate is undoubtedly one of visual plant on containment, and equipment gate end socket knot Structure then carries most of function of equipment gate, and this is accomplished by equipment gate end enclosure structure will have sufficiently large passage empty Between, large scale equipment is transported, there are enough strength and stiffness again, it is ensured that the sealing at equipment gate.When gate opening, lock Door seal head suspension is above transport channel, it is desirable to which gate end socket meets shockproof requirements.It will be apparent that original equipment gate end socket knot Structure cannot meet above-mentioned functions, therefore need to develop new equipment gate end enclosure structure pattern.

The content of the invention

For defect present in prior art, the present invention provides a kind of equipment gate end socket, can realize equipment gate Possess large scale equipment transport channel function and sealing sexual function, and have to earthquake-resistant function in suspension status;Structure Simply, convenient disassembly.

To achieve the above objectives, the technical solution adopted by the present invention is:A kind of equipment gate end socket, including end socket sheet are provided Body, the end socket main body is butterfly structure, and the outward flange of the end socket main body is provided with the flange for being connected with containment, end socket The built-in shell ring in openend of body, the shell ring is affixed with the end socket main body, and the shell ring is provided with for control and adjustment barrel The tensioning apparatus of pitch circle degree.

Further, the tensioning apparatus include multiple backing plates, multiple connecting plates, multiple screw-buttons, multiple connecting rods and One center disk;Multiple backing plates are distributed on shell ring, and multiple connecting plates are connected with corresponding backing plate respectively, the multiple spiral Deduction of points is not connected with corresponding connecting plate, and multiple connecting rod one end connect with corresponding screw-button respectively, and multiple connecting rods are another End is connected with the center disk.

Further, the screw-button is bidirectional screw, can adjust the screw-button of length.

Further, the guider for being respectively provided on two sides with guide-localization function of the end socket main body, the guiding dress Put including support beam and the guide finger being fixed in the support beam, the support beam is fixed on the end socket main body.

Further, the support beam be some steel plate splicings into box cantilever beam.

Further, the end socket main body includes some end socket monomers, is assembled into after some end socket monomer machine-shapings described End socket main body.

Further, the end socket main body is provided with the hanger for slinging and falling whole end socket.

Advantageous Effects of the invention are:

(1) equipment gate end socket of the invention, by using flange type of attachment, when large scale equipment is transported, dismounting side Just;End socket main body uses butterfly structure simultaneously, has been effectively saved the space of hold facility;

(2), by being provided with guider, be directed to for gate end socket in lifting process by equipment gate end socket of the invention Hanging position, after gate end socket enters suspension status, constrains the displacement of guider horizontal direction, reduces the rolling of gate end socket It is dynamic, so as to ensure the seismic stability of gate end socket;

(3) equipment gate end socket of the invention, by being provided with tensioning apparatus, it is ensured that equipment gate cover flange is sealed The rigidity in face and integrally-built sealing property.

Brief description of the drawings

Fig. 1 is the structural representation of present device gate end socket;

Fig. 2 is the A-A sectional views of Fig. 1;

Fig. 3 is the structural representation of guider in Fig. 2;

Fig. 4 is the structural representation of tensioning apparatus in Fig. 1;

Fig. 5 is tensioning apparatus part attachment structure schematic diagram in Fig. 4.

In figure:

1. flange, 2. shell ring, 3. end socket main body, 4. hanger, 5. backing plate, 6. connecting plate, 7. screw-button, 8. connecting rod, 9. Center disk, 10. guide finger, 11. support beams, shell ring component, 13. gasket seals in 12..

Specific embodiment

Below in conjunction with the accompanying drawings, specific embodiment of the invention is described in further detail.

As shown in Figure 1, 2, it is the structural representation of present device gate end socket, the equipment gate end socket includes end socket sheet Body 3, end socket main body 3 uses butterfly structure, thereby saving taking up room in containment.The openend of the end socket main body 3 Built-in shell ring 2, the shell ring 2 is fixedly connected with end socket main body 3, and the outward flange of end socket main body 3 is provided with flange 1, the flange 1 with safety The interior shell ring component 12 that pairing is carried on shell is bolted, and gasket seal 13 is provided with junction.Bolt is opened, can be with Whole equipment gate end socket is sling, the operation passage of large scale equipment is opened.Thus, the present invention is connected by flange, is easy to set The opening and closing of standby gate are operated.

Because end socket main body 3 is relatively large in diameter, processing and manufacturing is difficult, so end socket main body 3 can be divided into several end socket lists Body, it is assembled after several end socket monomer machine-shapings.For the ease of slinging and falling end socket, it is provided with end socket main body 3 Hanger 4.

As shown in figure 3, end socket main body 3 is respectively provided on two sides with guider, the guider include support beam 11 and It is fixed on the guide finger 10 in support beam 11.Wherein, support beam 11 be by some steel plate splicings into box cantilever beam, the cantilever Beam is fixed on end socket main body.When equipment gate is opened to be lifted, the guider of end socket main body both sides is in outside effect of contraction It is lower that end socket is accurately positioned specified location;In suspension status, guider can resist level with external constraint synergy Seismic (seismal, is prevented effectively from rocking for end socket, improves its shock resistance, it is ensured that the stability of gate.

As shown in Fig. 1,4,5, it is provided with shell ring 2 for controlling the tensioning apparatus with adjustment barrel pitch circle degree.The tensioning apparatus Including multiple backing plates 5, multiple connecting plates 6, multiple screw-buttons 7, multiple connecting rods 8 and a center disk 9.Multiple backing plates 5 It is distributed on shell ring 2, multiple connecting plates 6 are connected with corresponding backing plate 5 respectively, multiple screw-buttons 7 connect with corresponding connecting plate 6 respectively Connect, the one end of multiple connecting rods 8 connects with corresponding screw-button 7 respectively, the other end of multiple connecting rods 8 is connected with center disk 9. Wherein, backing plate 5 is welded on shell ring 2, and connecting plate 6 is bolted with backing plate 5 and is fixed together, screw-button 7 and connecting plate 6 Connected using bearing pin, overall structure can be dismantled.Using the tensioning apparatus of said structure so that total uniform force, conjunction Reason.

Thus, in actual operation, because of being relatively large in diameter for end enclosure structure, the circle of equipment is ensured by tensioning apparatus Degree, can prevent end socket due to being produced excessive deformation by external pressure, by regulating and controlling the circularity of end socket shell ring, improve the firm of end socket and flange Degree, so as to ensure the integrally-built sealing property of equipment gate.Screw-button 7 be it is a kind of with bidirectional screw, length can be adjusted A kind of short device, by rotating screw button 7, can adjust the distance of connecting plate 6 and connecting rod 8, it is ensured that shell ring 2 and flange 1 Circularity, makes the uniform force of cover flange 1.When equipment gate is closed, end enclosure structure is combined well with interior shell ring component 12, really When guarantor's whole equipment gate occurs loss of-coolant accident (LOCA) in reactor building, the high-temperature and high pressure band produced by accident can be born The influence for coming, and ensure sealing of the containment at equipment gate.

In sum, equipment gate end enclosure structure of the invention, can realize that equipment gate possesses large scale equipment transport logical Road function and sealing sexual function, and have to earthquake-resistant function in suspension status;Simple structure, convenient disassembly.

Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technology Within, then the present invention is also intended to comprising these changes and modification.

Claims (6)

1. a kind of equipment gate end socket, including end socket main body (3), it is characterized in that:The end socket main body (3) is butterfly structure, institute The outward flange for stating end socket main body (3) is provided with flange (1) for being connected with containment, the built-in cylinder in openend of end socket main body (3) Section (2), the shell ring is affixed with the end socket main body (3), and the shell ring (2) is provided with for controlling and adjusting shell ring (2) circularity Tensioning apparatus;The guider for being respectively provided on two sides with guide-localization function of the end socket main body (3), the guider Including support beam (11) and the guide finger (10) being fixed in the support beam (11), the support beam (11) is fixed in described On end socket main body (3).
2. a kind of equipment gate end socket as claimed in claim 1, it is characterized in that:The support beam (11) is some steel plate splicings Into box cantilever beam.
3. a kind of equipment gate end socket as claimed in claim 2, it is characterized in that:The tensioning apparatus include multiple backing plates (5), Multiple connecting plates (6), multiple screw-buttons (7), multiple connecting rods (8) and a center disk (9);Multiple backing plates (5) are uniform On shell ring (2), multiple connecting plates (6) respectively with corresponding backing plate (5) connect, the multiple screw-button (7) respectively with it is corresponding Connecting plate (6) connection, multiple connecting rod (8) one end connect with corresponding screw-button (7) respectively, and multiple connecting rods (8) are another End is connected with the center disk (9).
4. a kind of equipment gate end socket as claimed in claim 3, it is characterized in that:The screw-button (7) for bidirectional screw and The screw-button of length can be adjusted.
5. a kind of equipment gate end socket as described in claim any one of 1-4, it is characterized in that:The end socket main body (3) includes Some end socket monomers, the end socket main body is assembled into after some end socket monomer machine-shapings.
6. a kind of equipment gate end socket as claimed in claim 5, it is characterized in that:The end socket main body (3) is provided with for inciting somebody to action The hanger (4) that whole end socket is sling and fallen.
CN201510061053.9A 2015-02-05 2015-02-05 A kind of equipment gate end socket CN104700906B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510061053.9A CN104700906B (en) 2015-02-05 2015-02-05 A kind of equipment gate end socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510061053.9A CN104700906B (en) 2015-02-05 2015-02-05 A kind of equipment gate end socket

Publications (2)

Publication Number Publication Date
CN104700906A CN104700906A (en) 2015-06-10
CN104700906B true CN104700906B (en) 2017-05-31

Family

ID=53347940

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510061053.9A CN104700906B (en) 2015-02-05 2015-02-05 A kind of equipment gate end socket

Country Status (1)

Country Link
CN (1) CN104700906B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54112443A (en) * 1978-02-22 1979-09-03 Toshiba Corp Frieze seal structure
JPH04127089A (en) * 1990-09-19 1992-04-28 Toshiba Corp Hatch operator for equipment
JP2002221587A (en) * 2001-01-26 2002-08-09 Ishikawajima Harima Heavy Ind Co Ltd Method for modifying shape of mirror lid for hatch
JP5621215B2 (en) * 2009-06-08 2014-11-12 株式会社Ihi Large aperture hatch
CN102701066B (en) * 2011-10-11 2014-06-25 国家核电技术有限公司 Hoisting method for hoisting assembling module of large container

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