CN106409347B - A kind of friction lock type magnetic raiser and its control method - Google Patents

A kind of friction lock type magnetic raiser and its control method Download PDF

Info

Publication number
CN106409347B
CN106409347B CN201610929322.3A CN201610929322A CN106409347B CN 106409347 B CN106409347 B CN 106409347B CN 201610929322 A CN201610929322 A CN 201610929322A CN 106409347 B CN106409347 B CN 106409347B
Authority
CN
China
Prior art keywords
armature
capsul
friction
lever
friction lever
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.)
Active
Application number
CN201610929322.3A
Other languages
Chinese (zh)
Other versions
CN106409347A (en
Inventor
杨方亮
杨晓晨
邓强
罗英
陈西南
彭航
唐向东
李维
张智峰
杨博
于天达
胥春燕
刘佳
晋舒颜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nuclear Power Institute of China
Original Assignee
Nuclear Power Institute of China
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nuclear Power Institute of China filed Critical Nuclear Power Institute of China
Priority to CN201610929322.3A priority Critical patent/CN106409347B/en
Publication of CN106409347A publication Critical patent/CN106409347A/en
Application granted granted Critical
Publication of CN106409347B publication Critical patent/CN106409347B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
    • G21C7/12—Means for moving control elements to desired position
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
    • G21C7/12—Means for moving control elements to desired position
    • G21C7/14—Mechanical drive arrangements
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Electromagnets (AREA)

Abstract

The invention discloses a kind of friction lock type magnetic raiser and its control method, including capsul, the actuated lever assemblies that are respectively positioned in capsul and armature, the actuated lever assemblies include friction lever；The armature accommodating chamber moved axially easy to armature along friction lever is provided between the actuated lever assemblies and capsul, the holding component that friction lever can be made to be adjacent to capsul, the lifting assembly that friction lever can be made to be adjacent to the moving assembly of armature and armature can be driven to be moved up along friction lever axis are provided with the capsul, it is described to keep component, moving assembly, lifting assembly to include yoke and the coil that is wound in yoke, using the structure lifter its wear that allowance is big, scram reliability is high.

Description

A kind of friction lock type magnetic raiser and its control method
Technical field
The present invention relates to command bundle rods for nuclear reactors driving mechanism field, and in particular to a kind of new control rod driving machine Structure, i.e. friction lock type magnetic raiser.
Background technology
Control rod drive mechanism be the servo control mechanism of nuclear reactor control and protection system, it is necessary to according to instruction lifting, under Insert, keep and power off release control rod assembly, so as to complete reactor start-up, adjust power, maintain power, normal shutdown and peace Full cut-off heap.Have in published patent of invention stepwise magnetic force hoisting type reactor control rod driving mechanism, it is totally-enclosed can moving-wire Magnet control rod drive mechanism, hydraulic drives type control rod drive mechanism, hybrid linear reluctance motor type control rod is enclosed to drive The control rod drive mechanism of a variety of principles such as motivation structure.
Control rod drive mechanism is usually to be pinned and control by hook or with the other title parts of similar functions at present The drive rod of rod assembly connection has the other title parts of similar functions, then is made by electromagnetic force or hydraulic pressure effect on drive rod Lower movement, such as patent CN 101178946A, CN 1256497A, the described control rod drive mechanism of CN 1442863A, due to Need by hook locking drive rod, therefore have higher requirement to moving component abrasion, once hook or other parts depreciations Measure larger, control rod drive mechanism may be caused to be unable to normal hoisting and underthrust C＆P systems, and because parts coordinate Gap is smaller, and because impurity enters or clamping stagnation occur in other reasons, it is normal easily may to influence control rod drive mechanism for moving component Scram.Principles of the patent CN 102956274A based on linear reluctance motor, although electric energy directly is directly changed into linear electromagnetic Thrust, drives the mover assembly being connected with C＆P systems to move up and down, but due to there is higher guiding requirement to mover assembly To reduce magnetic biasing pulling force, guiding clearance is smaller between mover assembly and capsul, correspondingly to movement parts wear also have compared with High request, also easily occurs because impurity enters or other reasons cause the phenomenon of card rod.
The content of the invention
In order to solve the above-mentioned technical problem the present invention provides a kind of friction lock type magnetic raiser and its control method, its Abrasion allowance is big, scram reliability is high.
The present invention is achieved through the following technical solutions：
A kind of friction lock type magnetic raiser, including capsul, the actuated lever assemblies that are respectively positioned in capsul and armature, The actuated lever assemblies include friction lever；The rank moved easy to the axis of armature along friction lever is provided between the capsul inside Iron accommodating chamber, is provided with the holding component that friction lever can be made to be adjacent to capsul outside the capsul, friction lever can be made to be adjacent to rank The moving assembly of iron and the lifting assembly that armature is moved up along friction lever axis can be driven, the holding component, moving assembly, lifting group Part includes yoke and coil.The lifter of the present invention is by controlling the coil for keeping component, the coil of lifting assembly, mobile group The logical sequence action that the coil of part is certain realizes that its core is, by component and moving assembly alternate energisation is kept, to produce Electromagnetic force alternately friction lever is contacted with armature or capsul inner wall, while allow friction lever and armature or sealing by frictional force Shell locking relative position is motionless；Producing electromagnetic force by lifting assembly makes armature upward, and armature is in self gravitation or elastomeric element Under the action of downwards.Compare prior art discovery, design principle of the invention is using friction lever and the direct amplexis of armature, is formed Frictional force, using frictional force lifting actuated lever assemblies height, and traditional hoisting mechanism is to hook actuated lever assemblies using hook The concave surface of outer wall, due to route problem, hook stroke is too small in order to prevent leads to not hook bar core, therefore it is required that bar outer core Small with hook gap, the gap also having led between bar core and whole bar core vias inner walls is the smaller the better, and gap is small past Toward after causing impurity to enter so that bar core casey can not move, and the present invention utilizes the position of magnetic drive friction lever so that rubs Pole forms amplexis with armature, and this design principle makes friction lever and armature allow to have very big wear extent, and after frictional dissipation Gap can also continue to increase, this gap size for ensuring that between the passage that friction lever and friction lever accommodate is not done small The requirement of trend, this ensure that impurity enter the gap when since gravity will not be detained, whole hoisting mechanism is not Influenced by impurity.The present invention's is simple and reliable for structure, and cost is low, and particularly the number of parts inside capsul is few and structure is simple It is single, be conducive to open and inspect maintenance.Action part friction lever and armature allow to have very big wear extent, have reached the magnitude of millimeter, it After diameter is worn several millimeters gap increase be conducive to the whereabouts of impurity, will not be because of impurity effect friction lock type magnetic force The operation of lifter so that the service life of friction lock type magnetic raiser is very long.In actuated lever assemblies and armature, capsul The gap of wall is larger, and friction lock type magnetic raiser run time is longer, actuated lever assemblies and mobile armature, capsul The gap of inner wall is bigger, and the foreign matter such as impurity is more not easy the clamping stagnation for causing actuated lever assemblies, improves the reliability of scram.It can pass through Increase keeps the coil of component, the number of coils or the number of turn of moving assembly, and the coil turn of increase lifting assembly to increase The increase of lifting force, number of coils and the number of turn will not cause technical drawback, therefore friction lock type magnetic raiser can Very easily to adapt to the needs of differential responses heap difference lifting force with the number of turn by varying number of coils, but also can lead to Increase number of coils and the number of turn are crossed to reduce outside diameter, to meet the needs of reactor minimizes control rod drive mechanism diameter； In the case where other conditions are identical, installed in the friction lock type magnetic raiser of reactor pressure vessel top or bottom not The change in any structure need to be made.
Preferably, the actuated lever assemblies further include core bar, more friction levers are arranged in parallel with core bar and are looped around core Outside bar, the both ends of the core bar and friction lever, which are respectively arranged with, is fixed both spacing magnetic patch and control rod connecting rod, One end that the capsul is located at magnetic patch is provided with stick location probe.
Further, stick location probe can use it is simple in structure, stretch into inside capsul magnetostriction type rod position detection Device；The line of induction ring type stick location probe being installed on outside capsul can also be used, to be reserved to actuated lever assemblies design The dimensional space of bigger and the intensity of enhancing actuated lever assemblies.
Preferably, the lower connector assembly that driving armature is moved down along actuated lever assemblies axis is additionally provided with the capsul.
Further, the lower connector assembly includes yoke and the coil being wound in yoke.
Further, the capsul armature accommodates and is provided with annular groove on cavity outer wall.
Preferably, it is provided with annular groove on the armature.
Preferably, the elastomeric element that can make to drive armature to be moved down along actuated lever assemblies axis is provided with the capsul.
A kind of control method of friction lock type magnetic raiser, including lifting rate-determining steps, underthrust rate-determining steps, holding At least one of rate-determining steps and quick release rate-determining steps, wherein：
Lifting rate-determining steps include：
A1, only control moving assembly work, friction lever is locked with armature motionless,
B1, control lifting assembly work, move up armature and drive friction lever to move up,
C1, control keep component operation, friction lever is locked with capsul inner wall motionless,
D1, stop moving assembly work and stop lifting assembly work, releases the locking action of friction lever and armature, armature Moved down under self gravitation effect；
E1, control moving assembly work after a period of time, friction lever is locked with armature motionless,
F1, stop keeping component operation,
G1, repeat the above steps A1 to F1；
Underthrust rate-determining steps include：
A2, only control keep component operation, friction lever is locked with capsul inner wall motionless；
B2, control lifting assembly work, armature move up；
C2, control moving assembly work, make friction lever be locked with armature motionless；
D2, stop keeping component operation and stop lifting assembly work, releases the locking action of friction lever and capsul, rank Iron and friction lever move down under self gravitation effect；
E2, control keep component operation, friction lever is locked with capsul inner wall motionless,
F2, stop moving assembly work, releases the locking action of friction lever and armature,
G2, repeat the above steps A2 to F2.
Preferably, step D1 further includes control underthrust component operation, step F1, which is further included, stops underthrust component operation；Step Rapid D2 further includes control underthrust component operation, and step F2, which is further included, stops underthrust component operation.
Compared with prior art, the present invention have the following advantages and advantages：
1st, the present invention keeps the coil of component, the coil of lifting assembly, the coil of moving assembly certain using by controlling Logical sequence realize that lifting, underthrust, holding and quick release act, action part allows to have very big wear extent, between abrasion Gap is bigger, and the foreign matter such as impurity is more not easy the clamping stagnation for causing actuated lever assemblies, the reliability higher of scram.
2nd, the wear extent of action part of the invention has reached the magnitude of millimeter, they after diameter is worn several millimeters still The operation of friction lock type magnetic raiser is not interfered with so.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Fig. 2 is a kind of embodiment of the longitudinal section view of core bar and friction lever.
Fig. 3 is a kind of embodiment of the longitudinal section view of core bar and friction lever.
Fig. 4 is a kind of embodiment of the longitudinal section view of core bar and friction lever.
Fig. 5 is a kind of embodiment of the longitudinal section view of core bar and friction lever.
Fig. 6 is a kind of embodiment of the longitudinal section view of core bar and friction lever.
Fig. 7 is a kind of embodiment of the longitudinal section view of core bar and friction lever.
Fig. 8 is the structure diagram of embodiment 3.
Mark and corresponding parts title in attached drawing：
1st, stick location probe, 2, capsul, 3, magnetic patch, 4, flange, 6, keep the coil of component, 8, the line of lifting assembly Circle, 10, the coil of moving assembly, 12, armature, 13, the coil of lower connector assembly, 15, Graphite pad, 16, tube socket, 17, friction Bar, 18, core bar, 19, control rod connecting rod, 20, elastomeric element.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and attached drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make For limitation of the invention.
Embodiment 1
A kind of friction lock type magnetic raiser as shown in Figure 1, including capsul 2, the drive rod that is respectively positioned in capsul 2 Component and armature 12, actuated lever assemblies include friction lever 17；Capsul 2 is internally provided with easy to axis of the armature 12 along friction lever 17 Mobile armature accommodating chamber, armature 12 are placed in armature accommodating chamber；The outside of capsul 2, which is set, to keep component, moving assembly and carries Component is risen, keeps component, moving assembly, lifting assembly to include yoke and the coil inside yoke, keeps component The electromagnetic force that coil 6 produces after being powered makes friction lever 17 be adjacent to capsul 2, the electromagnetism produced after the energization of coil 10 of moving assembly Power makes friction lever 17 be adjacent to armature 12, and the electromagnetic force produced after the energization of coil 8 of lifting assembly drives armature 12 along friction lever 17 Axis moves up.
Such as Fig. 1, component is kept to be arranged on the non-armature accommodating chamber section of capsul 2, moving assembly is arranged on the rank of capsul 2 Iron accommodating chamber section, lifting assembly are arranged on the linkage section of the armature accommodating chamber Duan Yufei armature accommodating chamber sections of capsul 2.
In use, actuated lever assemblies are in vertical state, by control the coil for keeping component, lifting assembly coil, Lifting, underthrust, holding and quick release C＆P systems are realized in the logical sequence action that the coil of moving assembly is certain.
By taking lifting as an example, lifting rate-determining steps include：
A1, only control moving assembly work, is powered to the coil of moving assembly, friction lever 17 is locked not with armature 12 It is dynamic,
B1, control lifting assembly work, are powered the coil of lifting assembly, move up armature and drive on friction lever 17 Move,
C1, control keep component operation, are powered to the coil for keeping component, friction lever 17 is locked with 2 inner wall of capsul It is motionless,
D1, stop moving assembly work and stop lifting assembly work, releases the locking action of friction lever 17 and armature 12, Armature 12 moves down under self gravitation effect；
E1, control moving assembly work after a period of time, friction lever 17 is locked with armature 12 motionless,
F1, stop keeping component operation,
G1, repeat the above steps A1 to F1.
Example is inserted as below, and underthrust rate-determining steps include
A2, only control keep component operation, are powered to the coil for keeping component, friction lever 17 is locked with 2 inner wall of capsul It is tight motionless,
B2, control lifting assembly work, are powered the coil of lifting assembly, the electromagnetic force that coil produces makes armature 12 upward A mobile step pitch,
C2, control moving assembly work, are powered the coil of moving assembly, the electromagnetic force that coil produces make friction lever 17 with Armature 12 lock it is motionless,
D2, stop keeping component operation and stop lifting assembly work, releases friction lever 17 and the locking of capsul 2 is moved To make, armature 12 and friction lever 17 can move down under the effect of gravity,
E2, control keep component operation, friction lever 17 is locked with 2 inner wall of capsul motionless,
F2, stop moving assembly work, releases the locking action of friction lever 17 and armature 12,
G2, repeat the above steps A2 to F2.
By taking holding as an example, keep rate-determining steps following methods can be used to realize：One, only lead to the coil for keeping component Electricity, the electromagnetic force that coil produces make friction lever 17 be contacted with 2 inner wall of capsul, and dependence frictional force allows friction lever 17 and capsul 2 locking relative positions are motionless, so that actuated lever assemblies and the C＆P systems of its connection keep given position motionless；Secondly, By being powered to the coil of moving assembly, producing electromagnetic force makes friction lever 17 be contacted with 12 inner wall of armature, and is allowed by frictional force Friction lever 17 and the locking of armature 12 relative position are motionless, so that actuated lever assemblies and C＆P systems of its connection keep given Position is motionless.
During quick release C＆P systems, to keeping the coil of component and the coil blackout of moving assembly, no matter carry at this time The state that the coil of component is switched on or powers off is risen, friction lever does not all contact with armature, capsul inner wall or even if contacts but rub Wipe power very little so that actuated lever assemblies and its connection C＆P systems under gravity can quick scram, reacting Heap needs to protect the safety of reactor during emergency shut-down.
Embodiment 2
The present embodiment refines on the basis of above-described embodiment, i.e., actuated lever assemblies further include core bar 18 and Duo Gen rubs Pole, more friction levers 17 are arranged in parallel and are looped around outside core bar 18 with core bar 18, if Fig. 2 to Fig. 7 is 6 kinds of different core bars 18 With the longitudinal section view of friction lever 17；The both ends of core bar 18 and friction lever 17, which are respectively arranged with, is fixed both spacing magnetic Block 3 and control rod connecting rod 19, control rod connecting rod are connected with C＆P systems；Stick location probe 1 is installed on capsul 2, Stick location probe 1 is by detecting the position to magnetic patch 3, so as to obtain actuated lever assemblies and the reality of the C＆P systems of its connection Position.
Stick location probe 1 may be provided at the top of capsul, and be inserted in inside the magnetic patch and core bar of actuated lever assemblies.But It is that central, tubular must be empty for using this kind of structure core bar, core bar intensity is affected.To solve the above-mentioned problems, rod position detects Device 1 uses line of induction ring type stick location probe, and such stick location probe is installed on outside capsul, is not required to extend into core bar endoporus In, core bar can be designed to solid pole to strengthen core bar intensity at this time.The quantity of friction lever 17 can be 2 and the above Any one.Single friction lever can use cylindrical-shaped structure, can also use several points of several structures of pipe.It is pipe such as Fig. 7 1/3rd structures.
In the above-described embodiments, armature is moved down by self gravitation, its speed is slow, and lifting speed is slow, Reliability of Microprocessor is poor, The not high occasion of lifting rate request is only applicable to, and in the second method of the holding rate-determining steps of embodiment 1, due to rank Iron axially has a gap of a step pitch inside capsul, thus armature and actuated lever assemblies may in external force such as reactor water Stream wash away or the effect such as seismic (seismal under in the range of a step pitch vibration, in order to solve the above-mentioned technical problem, the present embodiment exists Optimize on the basis of above-described embodiment, it there are two solutions.Concrete scheme such as embodiment 3 and embodiment 4.
Embodiment 3
The elastomeric element 20 that armature 12 can be driven to be moved down along actuated lever assemblies axis is provided with capsul 2.Elastomeric element It is preferred that using spring, spring has downward active force to armature, can accelerate moving down and ensureing to keep in rate-determining steps for armature The stability of armature and actuated lever assemblies.
Embodiment 4
The lower connector assembly that driving armature 12 is moved down along actuated lever assemblies axis is additionally provided with capsul 2, lower connector assembly is same Sample includes yoke and the coil being wound in yoke, and the electromagnetic force that coil produces after being powered drives armature 12 along actuated lever assemblies axis Move down.Lower connector assembly is arranged on the linkage section of armature accommodating chamber Duan Yufei armature accommodating chamber sections, with lifting assembly respectively positioned at rank The both ends of iron accommodating chamber section.Using this kind of structure, lifting rate-determining steps, underthrust rate-determining steps, holding control in embodiment 1 walk Rapid and quick release rate-determining steps can accordingly adjust.
Lifted in rate-determining steps, step D1 further includes control underthrust component operation, is powered, adds to the coil 13 of lower connector assembly Fast armature moves down speed, and at this time, friction lever will not move；Step F1, which is further included, stops underthrust component operation.
In underthrust rate-determining steps, step D2 further includes control underthrust component operation, is powered, accelerates to the coil of lower connector assembly Armature and friction lever move down speed；Step F2, which is further included, stops underthrust component operation.
During holding, in order to avoid armature and the vibration of actuated lever assemblies, according to keeping rate-determining steps two in embodiment 1, Also need to be powered to the coil of lifting assembly or the coil of lower connector assembly at the same time.
Using the structure of the friction lock type magnetic raiser of the present embodiment, can be fitted by adjusting number of coils and the number of turn The demand of reactor should not be passed through.Due to the friction of the lifting force and friction lever and armature residual gap of friction lock type magnetic raiser The direct phase of electromagnetic force that frictional force, the electromagnetic force of lifting assembly generation between power, friction lever and capsul, lower connector assembly produce Close.In the case where other factors are certain, the quantity or the number of turn of the coil for increasing moving assembly and the coil for keeping component can be with Increase the normal pressure between friction lever and armature residual gap, friction lever and capsul, so that the frictional force between increasing them；Increase lifting The electromagnetic force that the number of turn of the coil of the coil of component and lower connector assembly can also directly increase lifting assembly and lower connector assembly produces, When lifting assembly and the timing of lower connector assembly outside diameter one, increasing the number of turn of the coil of lifting assembly and the coil of lower connector assembly can cause Increase the axial length increase of the coil of lifting assembly and the coil of lower connector assembly, but the drawbacks of this will not be in generation technology.Cause This, need to such as improve the lifting force of friction lock type magnetic raiser, it is only necessary to which on the basis of structure shown in Fig. 1, appropriate increase is protected Hold the quantity or the number of turn of the coil of component and the coil of moving assembly, and the coil of the coil of lifting assembly and lower connector assembly The number of turn, to meet differential responses heap difference lifting force and have the needs of different limitations to control rod drive mechanism outside diameter.
The friction lock type magnetic raiser of the present embodiment can be installed on the top of reactor pressure vessel, can also install In the bottom of reactor pressure vessel, the friction lock type magnetic raiser structure installed in two positions can be identical, Any change is not done, and when only the coil of the coil of lifting assembly and lower connector assembly need to be connected with power supply wiring, the two wiring is mutual Change.
Embodiment 5
As described in Figure 1, the present embodiment optimizes in the inspection of above-described embodiment, i.e. one end of capsul passes through flange 4 are installed on tube socket 16, and the pressure boundary for forming reactor-loop is sealed by Graphite pad 15.
Accommodated in 2 armature of capsul and annular groove is set on cavity outer wall, this annular groove and core bar concentric, are moved towards with control magnetic flux.
Equally it is also provided with changing the annular groove of magnetic flux trend on armature.
The present invention have simple in structure, cost is low, be easy to maintenance, long lifespan, scram reliably, have to differential responses heap it is stronger Adaptability the advantages that.
Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect further Describe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should all include Within protection scope of the present invention.

Claims (8)

  1. A kind of 1. friction lock type magnetic raiser, it is characterised in that：Including capsul（2）, be respectively positioned on capsul（2）Interior drive Lever component and armature（12）, the actuated lever assemblies include friction lever（17）；The capsul（2）It is internally provided with easy to rank Iron（12）Along friction lever（17）Axis movement armature accommodating chamber, the capsul（2）Outside, which is provided with, can make friction lever（17） It is adjacent to capsul（2）Holding component, friction lever can be made（17）It is adjacent to armature（12）Moving assembly and armature can be driven（12） Along friction lever（17）The lifting assembly that axis moves up, the holding component, moving assembly, lifting assembly include yoke and coil；
    The actuated lever assemblies further include core bar（18）, more friction levers（17）With core bar（18）It is arranged in parallel and is looped around core bar （18）Outside, the core bar（18）And friction lever（17）Both ends be respectively arranged with both be fixed with spacing magnetic patch（3）With Control rod connecting rod（19）, the capsul（2）Positioned at magnetic patch（3）One end be provided with stick location probe（1）.
  2. A kind of 2. friction lock type magnetic raiser according to claim 1, it is characterised in that：The stick location probe （1）To stretch into capsul（2）Internal magnetostriction type stick location probe or installed in capsul（2）Exterior line of induction ring type Stick location probe.
  3. A kind of 3. friction lock type magnetic raiser according to claim 1, it is characterised in that：The capsul（2）On It is additionally provided with driving armature（12）Along capsul（2）The lower connector assembly that armature accommodating chamber moves down.
  4. A kind of 4. friction lock type magnetic raiser according to claim 3, it is characterised in that：The lower connector assembly includes Yoke and the coil being wound in yoke.
  5. A kind of 5. friction lock type magnetic raiser according to claim 1 or 4, it is characterised in that：The capsul（2） Armature accommodate cavity outer wall on be provided with annular groove.
  6. A kind of 6. friction lock type magnetic raiser according to claim 1, it is characterised in that：The armature（12）On set It is equipped with annular groove.
  7. A kind of 7. friction lock type magnetic raiser according to claim 1, it is characterised in that：The capsul（2）It is interior Armature can be driven by being provided with（12）The elastomeric element moved down along actuated lever assemblies axis（20）.
  8. A kind of 8. control method of friction lock type magnetic raiser, it is characterised in that：Including lifting rate-determining steps, underthrust control Step, keep rate-determining steps and quick release rate-determining steps, wherein：
    Lifting rate-determining steps include：
    A1, only control moving assembly work, makes friction lever（17）With armature（12）Lock it is motionless,
    B1, control lifting assembly work, move up armature and drive friction lever（17）Move up,
    C1, control keep component operation, make friction lever（17）With capsul（2）Inner wall locking is motionless,
    D1, stop moving assembly work and stop lifting assembly work, releases friction lever（17）With armature（12）Locking action, Armature（12）Moved down under self gravitation effect；
    E1, control moving assembly work after a period of time, makes friction lever（17）With armature（12）Lock it is motionless,
    F1, stop keeping component operation,
    G1, repeat the above steps A1 to F1；
    Underthrust rate-determining steps include：
    A2, only control keep component operation, make friction lever（17）With capsul（2）Inner wall locking is motionless；
    B2, control lifting assembly work, armature（12）Move up；
    C2, control moving assembly work, make friction lever（17）With armature（12）Lock motionless；
    D2, stop keeping component operation and stop lifting assembly work, releases friction lever（17）With capsul（2）Locking move Make, armature（12）And friction lever（17）Moved down under self gravitation effect；
    E2, control keep component operation, make friction lever（17）With capsul（2）Inner wall locking is motionless,
    F2, stop moving assembly work, releases friction lever（17）With armature（12）Locking action,
    G2, repeat the above steps A2 to F2；
    Step D1 further includes control underthrust component operation, and step F1, which is further included, stops underthrust component operation；
    Step D2 further includes control underthrust component operation, and step F2, which is further included, stops underthrust component operation.
CN201610929322.3A 2016-10-31 2016-10-31 A kind of friction lock type magnetic raiser and its control method Active CN106409347B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610929322.3A CN106409347B (en) 2016-10-31 2016-10-31 A kind of friction lock type magnetic raiser and its control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610929322.3A CN106409347B (en) 2016-10-31 2016-10-31 A kind of friction lock type magnetic raiser and its control method

Publications (2)

Publication Number Publication Date
CN106409347A CN106409347A (en) 2017-02-15
CN106409347B true CN106409347B (en) 2018-04-24

Family

ID=58012753

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610929322.3A Active CN106409347B (en) 2016-10-31 2016-10-31 A kind of friction lock type magnetic raiser and its control method

Country Status (1)

Country Link
CN (1) CN106409347B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107665741A (en) * 2017-11-01 2018-02-06 上海核工程研究设计院有限公司 A kind of control rod for nuclear reactor component is kept and release structure
CN111968763B (en) * 2019-11-27 2021-05-18 四川大学 Friction type control rod driving mechanism and method
CN112102969B (en) * 2020-09-21 2021-10-15 四川大学 Reactor driving device and method capable of self-locking and releasing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB960170A (en) * 1961-06-29 1964-06-10 Rolls Royce & Associates Ltd Improvements in or relating to nuclear reactors
CN101178946A (en) * 2007-12-11 2008-05-14 中国核动力研究设计院 Stepwise magnetic force hoisting type reactor control rod driving mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4825478B2 (en) * 2005-09-21 2011-11-30 株式会社東芝 Fast reactor
KR100932504B1 (en) * 2007-12-05 2009-12-17 한국전기연구원 Method and device for safe dual maintenance of reactor control rod drive system
KR101376915B1 (en) * 2012-07-10 2014-03-21 한국원자력연구원 Apparatus for control rods of nuclear reactors for nuclear power plant and method thereof
CN104616705B (en) * 2015-01-09 2017-08-29 中广核研究院有限公司 Reactor control rod control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB960170A (en) * 1961-06-29 1964-06-10 Rolls Royce & Associates Ltd Improvements in or relating to nuclear reactors
CN101178946A (en) * 2007-12-11 2008-05-14 中国核动力研究设计院 Stepwise magnetic force hoisting type reactor control rod driving mechanism

Also Published As

Publication number Publication date
CN106409347A (en) 2017-02-15

Similar Documents

Publication Publication Date Title
CN106409347B (en) A kind of friction lock type magnetic raiser and its control method
CN101178946B (en) Stepwise magnetic force hoisting type reactor control rod driving mechanism
RU2578172C2 (en) Control rod drive mechanism
CN111648016B (en) Hybrid magnetic suspension knitting needle driving device and control method thereof
CN108922637A (en) A kind of nuclear power station-service control rod drive mechanism
CN101356113A (en) Motor with brake, and elevator drive system using the motor
CN108869543B (en) A kind of hybrid superconducting magnetic bearing system of flywheel energy storage
CN109830310A (en) Ship reactor improved electric magnetic-type control rod drive mechanism
CN102874123A (en) Disk type water cooling self-excited eddy current retarder
CN106782993A (en) CRDM and its coil component
CN201388147Y (en) High-pressure resistant low-inertia direct-acting electro-mechanical converter
CN103326536B (en) A kind of employing coil and permanent magnet hybrid excitation type eddy current retarder
CN102956274B (en) Mixing linear reluctance motor type control rod driving mechanism
US3480807A (en) Linear motion devices
US20150139380A1 (en) Control rod drive mechanism built in nuclear reactor
KR20150079134A (en) Bottom mounted control rod drive device having permanent magnet inside electromagnet casing
CN109994224A (en) Ship reactor control rod drive mechanism
CN103560645B (en) Magnetic guiding loop mover cylinder-shape linear switched reluctance machines
CN105803622A (en) Heddle frame fixed shedding method and built-in mechanical device
CN102431461A (en) Electromagnetic actuating mechanism and relevant electromagnetic mechanism for parking electric automobile
CN209216597U (en) A kind of deepwater swimming-pool type reactor for supplying heat control rod drive mechanism
JPH1130683A (en) Nuclear reactor control rod driving device
CN113659796A (en) Hybrid excitation permanent magnet type reluctance linear motor type control rod driving mechanism
KR100287327B1 (en) Control rod driving device using linear pulse motor
KR20220081976A (en) Integrated electromagnet and maglev train

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant