CN108257692A - A kind of reactor pressure vessel inspection quick-connect machanism - Google Patents

A kind of reactor pressure vessel inspection quick-connect machanism Download PDF

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Publication number
CN108257692A
CN108257692A CN201611241699.6A CN201611241699A CN108257692A CN 108257692 A CN108257692 A CN 108257692A CN 201611241699 A CN201611241699 A CN 201611241699A CN 108257692 A CN108257692 A CN 108257692A
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CN
China
Prior art keywords
connection strap
link slot
spring
pressure vessel
quick
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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CN201611241699.6A
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Chinese (zh)
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CN108257692B (en
Inventor
王俊涛
周文
王龙
朱琳
张军
付锐
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Research Institute of Nuclear Power Operation
China Nuclear Power Operation Technology Corp Ltd
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Research Institute of Nuclear Power Operation
China Nuclear Power Operation Technology Corp Ltd
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Priority to CN201611241699.6A priority Critical patent/CN108257692B/en
Publication of CN108257692A publication Critical patent/CN108257692A/en
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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C17/00Monitoring; Testing ; Maintaining
    • G21C17/003Remote inspection of vessels, e.g. pressure vessels
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C17/00Monitoring; Testing ; Maintaining
    • G21C17/003Remote inspection of vessels, e.g. pressure vessels
    • G21C17/007Inspection of the outer surfaces of vessels
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

The invention belongs to nuclear power plant's Measuring error technical fields, specifically disclose a kind of quick-connect machanism of high temperature gas-cooled heap-type reactor pressure vessel inspection.Connection strap includes connection strap cavity and unlocking board, and connection strap cavity is equipped with spring bearer plate, and spring bearer plate both sides are arranged with sliding slot, and spring bearer plate both sides difference connecting spring, the spring end connection movable lug per side, unlocking board upper end symmetrically processes two unlock guide grooves.Quick-connect machanism, including elevating lever, connection strap and link slot, the connection strap and link slot have two groups, every group of end for being located at elevating lever, in a manner that more piece is spliced, realization quickly connects into long guideway, can also fast quick-detach, operating personnel may be located remotely from radioactive environment;The structure of connection strap band elasticity movable lug realizes that connection strap is inserted into link slot and compresses automatically, into link slot, automatic spring when moving to the empty window of link slot.Realize quick insertion locking connection, it is simple and reliable for structure.

Description

A kind of reactor pressure vessel inspection quick-connect machanism
Technical field
The invention belongs to nuclear power plant's Measuring error technical fields, and in particular to a kind of high temperature gas-cooled heap-type reactor pressure holds The quick-connect machanism of device inspection.
Background technology
High temperature gas cooled reactor is to make cooling agent, the high nuclear reactor of outlet temperature with helium.In the support of national " 863 " plan Under, from last century the eighties mid-term, China has carried out the research of high-temperature gas-solid two-phase flow, exploitation, the advanced nuclear energy system of forth generation One of technology of system.The heap-type equally exists the nuclear reactor pressure container of similar presurized water reactor (reactorpressurevessel).Reactor pressure vessel is placement nuclear reaction and bears the closed of its huge operating pressure Container is the key equipment in HTGR Nuclear Power Plant, has the characteristics that manufacturing technology standard is high, difficulty is big and the period is long, And it is non-exchange equipment, it is necessary to assure it is perfectly safe reliable in lifetime of the nuclear power station more than 40 years.
In nuclear power station operational process, reactor pressure vessel is in high temperature, high pressure, the high environment radiated.With operation The increase of time, the metallicity of container material can continuously decrease, and metal discontinuity can also generate, so very it is necessary to right Pressure vessel is detected, and to find defect risk therein in time, can be handled as early as possible, so as to safeguard and protect Hinder the safety of nuclear power facility, avoid the occurrence of serious safe operation and nuclear leakage accident.
It is high radioactivity region inside container after nuclear reactor pressure container is run in power station, since high temperature nuclear reactor uses helium Gas makees cooling agent, and there is no the characteristics of opening container unloading shutdown.The inspection of high temperature gas cooled reactor reactor pressure vessel is from container Implement in outside.
In view of cylinder core region, radioactive dosage is higher after operation, and when inspection forbids under personnel to the heap outside cylinder Core region, therefore entire check device can only use the sealing flange face installation positioning in reactor cabin, mechanical device is from cylinder Implement to check, automatically moved to probe scanning device at cylinder any bar girth joint or longitudinal seam by motion guide rail in outside. When equipment installation, inspection and troubleshooting, operating personnel only need station above cabin, without entering cylinder core region.
Summary situation needs to design a set of device of reactor pressure vessel inspection that with remote control can implement, The world needs independently to set for the heap-type not about high temperature gas cooled reactor commercialization power station reactor pressure vessel Examined effect at present A kind of nuclear power plant reactor pressure vessel check device is counted out, which implements to check outside pressure vessel, according to this It checks embodiment, designs a kind of mechanism that can quickly connect.
Invention content
The object of the present invention is to provide a kind of reactor pressure vessel inspection quick-connect machanisms, can be directed to from pressure The long rod structure that external container is implemented in the check device checked is quickly connected.
Technical scheme is as follows:
A kind of connection strap, the unlocking board including connection strap cavity and above connection strap cavity, the connection strap chamber Body is equipped with spring bearer plate, and the spring bearer plate both sides are arranged with sliding slot, spring bearer plate both sides difference connecting spring, per side Spring end connection movable lug, the movable lug be equipped with pin, the pin lower end is located in corresponding sliding slot;Described Unlocking board upper end symmetrically processes two unlock guide grooves.
In a kind of above-mentioned reactor pressure vessel inspection quick-connect machanism:The unlocking board is equipped with locking spiral shell Female shifting chute, interior to be equipped with lock screw, the lock screw coordinates with lock screw shifting chute sidewall thread, by unlocking board It is fastened on the top of connection strap cavity.
In a kind of above-mentioned reactor pressure vessel inspection quick-connect machanism:The connection strap cavity is cuboid Shape, head rounded corner.
In a kind of above-mentioned reactor pressure vessel inspection quick-connect machanism:The unlock guide groove is symmetrical with unlock The center line of plate length direction, and bend certain angle to center position.
In a kind of above-mentioned reactor pressure vessel inspection quick-connect machanism:Including elevating lever, connection strap and connection Slot, the connection strap and link slot have two groups, every group of end for being located at elevating lever.
In a kind of above-mentioned reactor pressure vessel inspection quick-connect machanism:The elevating lever selects square to cut The aluminium alloy extrusions in face is made.
In a kind of above-mentioned reactor pressure vessel inspection quick-connect machanism:Gear is equipped in the lifting rod end surface Plate.
The remarkable result of the present invention is as follows:Quick-connect machanism is combined by elevating lever, connection strap assembly, link slot.With The mode of more piece splicing, realization quickly connect into long guideway, can also fast quick-detach, operating personnel may be located remotely from radioactivity ring Border;The structure of connection strap band elasticity movable lug realizes that connection strap is inserted into link slot and compresses automatically, into link slot, moves to connection Automatic spring during the empty window of slot.Realize quick insertion locking connection, it is simple and reliable for structure;The design of link slot both sides Perforated window, Realize that the movable lug on connection strap is clamped in link slot, under the weight effect on elevating lever, auto lock is not in simultaneously Surprisingly come off;Unlocking board is slided in design on connection strap, which realizes the dismounting of quick-connect machanism, while the locking of unlocking board Nut design can prevent maloperation.
Description of the drawings
Fig. 1 is reactor pressure vessel inspection quick-connect machanism schematic diagram;
Fig. 2 is movable lug connection diagram in connection strap;
Fig. 3 is connection strap schematic diagram;
In figure:1. movable lug;2. pin;3. unlock guide groove;4. lock screw;5. unlocking board;6. connection strap cavity;7. bullet Spring;8. lock screw shifting chute;9. sliding slot;10. spring bearer plate;11. connection strap;12. elevating lever;13. link slot.
Specific embodiment
Below by the drawings and the specific embodiments, the invention will be further described.
As shown in Figure 1, the quick-connect machanism is made of elevating lever 12, connection strap 11, link slot 13.Elevating lever 13 is selected The aluminium alloy extrusions of square section makes, and assembles connection strap 11 and link slot 13 respectively at the both ends of elevating lever 13, simultaneously In section bar end face equipped with baffle, it can prevent connection strap 11 and link slot 13 from moving axially.Connection strap 11 and link slot 13 are in every section Two are respectively installed on elevating lever 12, connection strap 11 and link slot 13 are respectively at both ends, while this Liang Tao bindiny mechanism is arranged symmetrically In section bar both sides.
Connection strap structure as shown in Figures 2 and 3, including connection strap cavity 6, for cuboid shape, head rounded corner. Two sliding slots 9 are symmetrically processed on connection strap cavity 6, spring bearer plate 10,10 liang of spring bearer plate are installed in described two sliding slots 9 Spring 7 is installed in side respectively, 7 end of the spring connection movable lug 1 per side, installs pin 2 on the movable lug 1,2 lower end of pin is located at In above-mentioned sliding slot 9.When external force inwardly squeezes movable lug 1 from outside, the pin 2 on movable lug 1 is along sliding slot 9 inward against shifting It is dynamic.
Unlocking board 5 is installed in the top of connection strap cavity 6, which is rectangular slab, and upper end symmetrically processes two Item unlocks guide groove 5, which is symmetrical with the center line of 5 length direction of unlocking board, and bends certain angle to center position Degree.Lock screw shifting chute 8 is machined in the lower end of unlocking board 5, it is interior that lock screw 4, lock screw 4 and lock screw are installed 8 sidewall thread of shifting chute coordinates, and unlocking board 5 is fastened on to the top of connection strap cavity 6.
Movable lug 1 can be contracted in inside connection strap cavity 6, while under external force extruding in the cavity under the action of spring 7 Nature is stretched out.There is the unlocking board 5 of slip in 11 upper surface of connection strap, pull the pin 2 on movable lug and realize that movable lug 1 is squeezed into In connection strap cavity 6.
When the movable lug 1 of connection strap 11 is inserted into link slot 13, movable lug 1 is shunk under the extruding of groove body inner wall, later, movable lug 1 It stretches out, is stuck in the eating dishes without rice or wine of link slot 13 under the effect of spring 7, realize that docking is completed.

Claims (7)

1. a kind of connection strap, it is characterised in that:Unlocking board including connection strap cavity (6) and above connection strap cavity (6) (5), the connection strap cavity (6) is equipped with spring bearer plate (10), and the spring bearer plate (10) both sides are arranged with sliding slot (9), spring bearer plate (10) both sides difference connecting spring (7), spring (7) end connection movable lug (1) per side, the movable lug (1) pin (2) is equipped with, the pin (2) lower end is located in corresponding sliding slot (9);Described unlocking board (5) upper end is symmetrical Two unlock guide grooves (5) of processing.
2. connection strap as described in claim 1, it is characterised in that:The unlocking board (5) is equipped with lock screw shifting chute (8), lock screw (4) is equipped in, the lock screw (4) coordinates with lock screw shifting chute (8) sidewall thread, will solve Jam plate (5) is fastened on the top of connection strap cavity (6).
3. connection strap as described in claim 1, it is characterised in that:The connection strap cavity (6) be cuboid shape, head Rounded corner.
4. connection strap as described in claim 1, it is characterised in that:The unlock guide groove (5) is symmetrical with unlocking board (5) length The center line in direction, and bend certain angle to center position.
5. a kind of reactor pressure vessel inspection quick-connect machanism, it is characterised in that:Including elevating lever (12), connection strap (11) and link slot (13), the connection strap (11) and link slot (13) have two groups, every group of end for being located at elevating lever (13).
6. a kind of reactor pressure vessel inspection quick-connect machanism as described in claim 1, it is characterised in that:Described Elevating lever (13) selects the aluminium alloy extrusions of square section to be made.
7. a kind of reactor pressure vessel inspection quick-connect machanism as described in claim 1, it is characterised in that:Described Elevating lever (12) end face be equipped with baffle.
CN201611241699.6A 2016-12-29 2016-12-29 Quick connecting mechanism for reactor pressure vessel inspection Active CN108257692B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611241699.6A CN108257692B (en) 2016-12-29 2016-12-29 Quick connecting mechanism for reactor pressure vessel inspection

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Application Number Priority Date Filing Date Title
CN201611241699.6A CN108257692B (en) 2016-12-29 2016-12-29 Quick connecting mechanism for reactor pressure vessel inspection

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CN108257692A true CN108257692A (en) 2018-07-06
CN108257692B CN108257692B (en) 2024-02-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109448877A (en) * 2018-12-21 2019-03-08 核动力运行研究所 A kind of nuclear reactor pressure container check device hoisting mechanism and implementation method

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB810043A (en) * 1956-01-23 1959-03-11 Slide Lock Ltd Improvements in or relating to adjustable holding or locking devices
US20050177943A1 (en) * 2004-01-08 2005-08-18 Traverse Rescue Llc Rail coupling and lock for split-apart basket stretchers
CN202301329U (en) * 2011-08-26 2012-07-04 祝贵佳 Locking mechanism and lifting rod
CN202707723U (en) * 2012-06-18 2013-01-30 中国航空工业集团公司西安飞机设计研究所 Butt joint structure of connecting rods
CN102969617A (en) * 2012-11-14 2013-03-13 中航光电科技股份有限公司 Fast pluggable electrical connector and components thereof
CN203879863U (en) * 2014-05-28 2014-10-15 张发辉 Locking device
CN104196841A (en) * 2014-07-16 2014-12-10 中国科学院上海光学精密机械研究所 Automatic-attached and easy-unlocking abutting-joint device
CN204441599U (en) * 2015-01-23 2015-07-01 昆山合真和光电科技有限公司 There is the connector of snap close and release mechanism
CN204533072U (en) * 2015-01-14 2015-08-05 西北农林科技大学 A kind of rapid pipe joint based on vertical droplet distribution measuring apparatus push rod place
CN204900463U (en) * 2015-08-31 2015-12-23 三一重型能源装备有限公司 Oil drilling equipment and guide rail mechanism and guide rail connection structure thereof
CN205654669U (en) * 2016-02-23 2016-10-19 中山宝益五金塑胶制品有限公司 A flexing pipe structure
CN206574493U (en) * 2016-12-29 2017-10-20 核动力运行研究所 A kind of connection strap and reactor pressure vessel inspection quick-connect machanism

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB810043A (en) * 1956-01-23 1959-03-11 Slide Lock Ltd Improvements in or relating to adjustable holding or locking devices
US20050177943A1 (en) * 2004-01-08 2005-08-18 Traverse Rescue Llc Rail coupling and lock for split-apart basket stretchers
CN202301329U (en) * 2011-08-26 2012-07-04 祝贵佳 Locking mechanism and lifting rod
CN202707723U (en) * 2012-06-18 2013-01-30 中国航空工业集团公司西安飞机设计研究所 Butt joint structure of connecting rods
CN102969617A (en) * 2012-11-14 2013-03-13 中航光电科技股份有限公司 Fast pluggable electrical connector and components thereof
CN203879863U (en) * 2014-05-28 2014-10-15 张发辉 Locking device
CN104196841A (en) * 2014-07-16 2014-12-10 中国科学院上海光学精密机械研究所 Automatic-attached and easy-unlocking abutting-joint device
CN204533072U (en) * 2015-01-14 2015-08-05 西北农林科技大学 A kind of rapid pipe joint based on vertical droplet distribution measuring apparatus push rod place
CN204441599U (en) * 2015-01-23 2015-07-01 昆山合真和光电科技有限公司 There is the connector of snap close and release mechanism
CN204900463U (en) * 2015-08-31 2015-12-23 三一重型能源装备有限公司 Oil drilling equipment and guide rail mechanism and guide rail connection structure thereof
CN205654669U (en) * 2016-02-23 2016-10-19 中山宝益五金塑胶制品有限公司 A flexing pipe structure
CN206574493U (en) * 2016-12-29 2017-10-20 核动力运行研究所 A kind of connection strap and reactor pressure vessel inspection quick-connect machanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109448877A (en) * 2018-12-21 2019-03-08 核动力运行研究所 A kind of nuclear reactor pressure container check device hoisting mechanism and implementation method
CN109448877B (en) * 2018-12-21 2024-05-10 核动力运行研究所 Hoisting mechanism of nuclear reactor pressure vessel inspection device and implementation method

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