CN106409347A - Friction locking type magnetic lifter and control method thereof - Google Patents
Friction locking type magnetic lifter and control method thereof Download PDFInfo
- Publication number
- CN106409347A CN106409347A CN201610929322.3A CN201610929322A CN106409347A CN 106409347 A CN106409347 A CN 106409347A CN 201610929322 A CN201610929322 A CN 201610929322A CN 106409347 A CN106409347 A CN 106409347A
- Authority
- CN
- China
- Prior art keywords
- armature
- friction
- capsul
- lever
- assembly
- 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.)
- Granted
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 friction locking type magnetic lifter and a control method thereof. The lifter comprises a sealed casing as well as a drive rod assembly and an armature which are located in the sealed casing, wherein the drive rod assembly comprises a friction rod; an armature accommodating cavity for the armature to axially move along the friction rod conveniently is formed between the drive rod assembly and the sealed casing, a retaining assembly for enabling the friction rod to be closely attached to the sealed casing, a moving assembly for enabling the friction rod to be closely attached to the armature and a lifting assembly for driving the armature to move upwards along the friction rod are arranged on the sealed casing, and each of the retaining assembly, the moving assembly and the lifting assembly comprises a magnetic yoke and a coil winding around the magnetic yoke. The lifter adopting the structure is large in wear allowance and high in rod falling reliability.
Description
Technical field
The present invention relates to command bundle rods for nuclear reactors drive mechanism field is and in particular to a kind of new control rod driving machine
Structure, i.e. friction lock type magnetic raiser.
Background technology
CRDM is the servo control mechanism of nuclear reactor control and protection system, need according to instruction lifting, under
Insert, keep and power-off release control rod assembly, thus completing reactor start-up, adjusting 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, totally-enclosed can moving-wire
Circle magnet control rod drive mechanism, hydraulic drives type CRDM, hybrid linear reluctance motor type control rod drive
The CRDM of multiple principle such as motivation structure.
CRDM is usually to rely on hook or have similar functions other title part pinning and control at present
Rod assembly connect drive rod or have similar functions other title part, then by electromagnetic force or hydraulic pressure effect make on drive rod
Lower movement, the CRDM as described by patent CN 101178946A, CN 1256497A, CN 1442863A, due to
Need to rely on hook locking drive rod, therefore have higher requirement to moving component abrasion, once hook or other parts depreciation
Amount is larger, and CRDM may be led to be unable to normal hoisting and lower slotting C＆P systems, and because parts cooperation
Gap is less, and moving component easily because impurity enters or clamping stagnation in other reason, may affect CRDM normal
Scram.The principle based on linear reluctance motor for the patent CN 102956274A is although be directly directly changed into linear electromagnetic by electric energy
Thrust, drives the mover assembly being connected with C＆P systems to move up and down, but due to there being higher guiding to require to mover assembly
To reduce magnetic biasing pulling force, between mover assembly and capsul, guiding clearance is less, correspondingly motion parts wear is also had relatively
High request, also easily occurs leading to the excellent phenomenon of card because of impurity entrance or other reason.
Content of the invention
The present invention provides a kind of friction lock type magnetic raiser and its control method to solve above-mentioned technical problem, 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, the actuated lever assemblies including capsul, being respectively positioned in capsul and armature, described
Actuated lever assemblies include friction lever；It is provided with the armature appearance being easy to armature along the axle movement of friction lever between described capsul inside
Receive chamber, be provided with outside described capsul and friction lever can be made to be adjacent to keeping assembly, friction lever being made to be adjacent to armature of capsul
Moving assembly and the lifting assembly that armature can be driven to move along along friction lever axle, described holding assembly, moving assembly, lifting assembly are equal
Including yoke and coil.The lifter of the present invention passes through to control and keeps the coil of assembly, the coil of lifting assembly, moving assembly
The certain logical sequence action of coil is realized, and its core is to rely on holding assembly and moving assembly alternate energisation, the electricity of generation
Magnetic force alternately makes friction lever and armature or capsul contact internal walls, relies on frictional force to allow friction lever to lock with armature or capsul simultaneously
Tight relative position is motionless；Producing electromagnetic force by lifting assembly makes armature upwards, and armature is in the work of self gravitation or elastomeric element
With lower downwards.Relatively prior art finds, the design principle of the present invention is using friction lever and the direct amplexis of armature, forms friction
Power, using frictional force lifting actuated lever assemblies height, and traditional hoisting mechanism is to hook actuated lever assemblies outer wall using hook
Concave surface, due to route problem, in order to prevent, hook stroke is too small to be led to not hook bar core, therefore it is required that bar outer core and hook
Pawl gap is little, and the gap also having led between bar core and whole bar core vias inner walls is the smaller the better, and gap is little often leads
Cause impurity after entering, bar core jam cannot to be moved, and the present invention utilizes the position of magnetic drive friction lever so that friction lever
Form amplexis with armature, this design principle makes friction lever and armature allow very big wear extent, and after frictional dissipation between
Gap also can persistently increase, and this ensures that the gap length between the passage that friction lever and friction lever accommodate does not do little trend
Requirement, this ensures that impurity will not be detained due to Action of Gravity Field when entering this gap, and whole hoisting mechanism is not subject to miscellaneous
The impact of matter.The present invention's simple and reliable for structure, low cost, the particularly number of parts within capsul are few and structure is simple,
Be conducive to opening and inspecting maintenance.Action part friction lever and armature allow very big wear extent, have reached the magnitude of millimeter, they
After diameter abrasion several millimeters, gap increases the whereabouts being conducive to impurity, will not be lifted because of impurity effect friction lock type magnetic force
The operation of device is so that the service life of friction lock type magnetic raiser is very long.Actuated lever assemblies and armature, capsul inwall
Gap is larger, and friction lock type magnetic raiser run time is longer, actuated lever assemblies and mobile armature, capsul inwall
Gap bigger, the foreign matter such as impurity is more difficult to cause the clamping stagnation of actuated lever assemblies, improves the reliability of scram.Can be by increasing
Keep the coil of assembly, the number of coils of moving assembly or the number of turn, and increase the coil turn of lifting assembly increasing lifting
The increase of power, number of coils and the number of turn also will not cause technical drawback, and therefore friction lock type magnetic raiser can be very
The convenient needs adapting to the different lifting force of differential responses heap by changing number of coils with the number of turn, but also can be by increasing
Plus number of coils and the number of turn are reducing external diameter, to meet the demand that reactor minimizes to CRDM diameter；At it
In the case of its condition identical, it is arranged on reactor pressure vessel top or the friction lock type magnetic raiser of bottom is not required to do
Change in any structure.
Preferably, described actuated lever assemblies also include core bar, many friction levers be arranged in parallel and are looped around core with core bar
Outside bar, the two ends of described core bar and friction lever are respectively arranged with and both are fixed with spacing magnetic patch and control rod connecting rod,
One end that described capsul is located at magnetic patch is provided with stick location probe.
Further, stick location probe can detect magnetostriction type rod position that is simple using structure, stretching within capsul
Device；Can also be using the line of induction ring type stick location probe being arranged on outside capsul, to reserve to actuated lever assemblies design
Bigger dimensional space and the intensity strengthening actuated lever assemblies.
Preferably, the lower connector assembly driving armature to move down along actuated lever assemblies axle is additionally provided with described capsul.
Further, the coil that described lower connector assembly includes yoke and is wound in yoke.
Further, described capsul armature receiving cavity outer wall is provided with annular groove.
Preferably, being provided with annular groove on described armature.
Preferably, be provided with described capsul can make to order about the elastomeric element that armature moves down along actuated lever assemblies axle.
A kind of control method of friction lock type magnetic raiser, including lifting rate-determining steps, lower slotting rate-determining steps, holding
At least one of rate-determining steps and quick release rate-determining steps, wherein：
Lifting rate-determining steps include：
A1, the only work of control moving assembly, make friction lever and armature locking motionless,
B1, control lifting assembly work, make to move on armature and drive to move on friction lever,
C1, control keep component operation, make friction lever and the locking of capsul inwall motionless,
D1, stopping moving assembly working and stop lifting assembly work, release the locking action of friction lever and armature, armature is certainly
Move down under body Action of Gravity Field；
E1, control moving assembly work after a period of time, make friction lever and armature locking motionless,
F1, stopping keep component operation,
G1, repeat the above steps A1 to F1；
Slotting rate-determining steps include down：
A2, only control keep component operation, make friction lever and the locking of capsul inwall motionless；
B2, control lifting assembly work, armature moves；
C2, control moving assembly work, make friction lever and armature locking motionless；
D2, stop keeping component operation and stopping lifting assembly work, release the locking action of friction lever and capsul, armature and
Friction lever moves down under self gravitation effect,；
E2, control keep component operation, make friction lever and the locking of capsul inwall motionless,
F2, stopping moving assembly work, release the locking action of friction lever and armature,
G2, repeat the above steps A2 to F2.
Preferably, step D1 also includes controlling lower connector assembly work, step F1 also includes stopping lower connector assembly work；Step
Rapid D2 also includes controlling lower connector assembly work, and step F2 also includes stopping lower connector assembly work.
The present invention compared with prior art, has such advantages as and beneficial effect：
1st, the present invention is using certain the patrolling of coil by controlling the coil keeping assembly, the coil of lifting assembly, moving assembly
Collect sequential and realize lifting, lower slotting, holding and quick release action, action part allows very big wear extent, and wearing clearance is got over
Greatly, the foreign matter such as impurity is more difficult to cause the clamping stagnation of actuated lever assemblies, and the reliability of scram is higher.
2nd, the wear extent of the action part of the present invention has reached the magnitude of millimeter, they diameter abrasion several millimeters after still
So do not interfere with the operation of friction lock type magnetic raiser.
Brief description
Accompanying drawing described herein is used for providing the embodiment of the present invention is further understood, and constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is present configuration schematic diagram.
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 structural representation of embodiment 3.
Mark and corresponding parts title in accompanying drawing：
1st, stick location probe, 2, capsul, 3, magnetic patch, 4, flange, 6, keep the coil of assembly, 8, the coil of lifting assembly,
10th, the coil of moving assembly, 12, armature, 13, the coil of lower connector assembly, 15, Graphite pad, 16, base, 17, friction lever,
18th, core bar, 19, control rod connecting rod, 20, elastomeric element.
Specific embodiment
For making the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present 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 actuated lever assemblies that are respectively positioned in capsul 2
With armature 12, actuated lever assemblies include friction lever 17；Capsul 2 is internally provided with the axle movement being easy to armature 12 along friction lever 17
Armature accommodating chamber, armature 12 is placed in armature accommodating chamber；The outside setting of capsul 2 keeps assembly, moving assembly and lifting group
Part, keeps assembly, moving assembly, lifting assembly all to include yoke and be arranged on coil yoke within, the coil 6 of holding assembly
The electromagnetic force producing after energising makes friction lever 17 be adjacent to capsul 2, and the electromagnetic force producing after coil 10 energising of moving assembly makes
Friction lever 17 is adjacent to armature 12, and the electromagnetic force producing after coil 8 energising of lifting assembly drives armature 12 along along friction lever 17 axle
Move.
As Fig. 1, assembly 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 is arranged on the linkage section of the armature accommodating chamber Duan Yufei armature accommodating chamber section of capsul 2.
During use, actuated lever assemblies are in vertical state, by control keep the coil of assembly, the coil of lifting assembly,
Lifting, lower slotting, holding and quick release C＆P systems are realized in the logical sequence action that the coil of moving assembly is certain.
Taking lifted as a example, lifting rate-determining steps include：
A1, the only work of control moving assembly, the coil electricity to moving assembly, make friction lever 17 and armature 12 lock motionless,
B1, control lifting assembly work, the coil electricity to lifting assembly, make to move on armature and drive to move on friction lever 17,
C1, control keep component operation, to the coil electricity keeping assembly, make friction lever 17 and the locking of capsul 2 inwall motionless,
D1, stopping moving assembly work and stopping lifting assembly work, release the locking action of friction lever 17 and armature 12, armature
12 move down under self gravitation effect,；
E1, control moving assembly work after a period of time, make friction lever 17 and armature 12 lock motionless,
F1, stopping keep component operation,
G1, repeat the above steps A1 to F1.
Hereinafter it is inserted as example, lower slotting rate-determining steps include
A2, only control keep component operation, to the coil electricity keeping assembly, so that friction lever 17 is locked not with capsul 2 inwall
It is dynamic,
B2, control lifting assembly work, the coil electricity to lifting assembly, the electromagnetic force that coil produces makes armature 12 move up
One step pitch,
C2, control moving assembly work, the coil electricity to moving assembly, the electromagnetic force that coil produces makes friction lever 17 and armature
12 lockings are motionless,
D2, stopping keep component operation and stop lifting assembly work, release the locking action of friction lever 17 and capsul 2, rank
Iron 12 and friction lever 17 can move down under gravity,
E2, control keep component operation, make friction lever 17 and the locking of capsul 2 inwall motionless,
F2, stopping moving assembly work, release the locking action of friction lever 17 and armature 12,
G2, repeat the above steps A2 to F2.
Taking keep as a example, keep rate-determining steps can realize using following methods：One, only to keep assembly coil lead to
Electricity, the electromagnetic force that coil produces makes friction lever 17 and capsul 2 contact internal walls, and relies on frictional force to allow friction lever 17 and capsul
2 locking relative positions are motionless, so that the C＆P systems of actuated lever assemblies and its connection keep given position motionless；Two,
By the coil electricity to moving assembly, producing electromagnetic force makes friction lever 17 and armature 12 contact internal walls, and relies on frictional force to allow
Friction lever 17 and armature 12 locking relative position are motionless, so that the C＆P systems of actuated lever assemblies and its connection keep given
Position is motionless.
During quick release C＆P systems, to keeping the coil of assembly and the coil blackout of moving assembly, now no matter carry
Rise assembly coil be switched on or power-off state, even if friction lever is not all contacted with armature, capsul inwall or contacts but rub
Wiping power very little, thus actuated lever assemblies and its C＆P systems of connecting 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, and that is, actuated lever assemblies also include core bar 18 and Duo Gen friction
Bar, many friction levers 17 be arranged in parallel and are looped around outside core bar 18 with core bar 18, and such as Fig. 2 to Fig. 7 is 6 kinds of different core bar 18 Hes
The longitudinal section view of friction lever 17；The two ends of core bar 18 and friction lever 17 are respectively arranged with and both are fixed with spacing magnetic patch
3 and control rod connecting rod 19, control rod connecting rod is connected with C＆P systems；Stick location probe 1 is arranged on capsul 2, rod
Location probe 1 passes through to detect the position to magnetic patch 3, thus obtaining the actual bit of the C＆P systems of actuated lever assemblies and its connection
Put.
Stick location probe 1 may be provided at the top of capsul, and is inserted in inside magnetic patch and the core bar of actuated lever assemblies.But
It is that central, tubular be must be empty for using this kind of structure core bar, core bar intensity is affected.In order to solve the above problems, excellent position detects
Device 1 adopts line of induction ring type stick location probe, and such stick location probe is arranged on outside capsul, is not required to extend into core bar endoporus
In, now core bar can be designed to solid pole to strengthen core bar intensity.The quantity of friction lever 17 can be 2 and above
Any one.Single friction lever can adopt cylindrical-shaped structure, it would however also be possible to employ several structures of several points of pipe.As Fig. 7, it is pipe
1/3rd structures.
In the above-described embodiments, armature relies on self gravitation to move down, and its speed is slow, and lifting speed is slow, Reliability of Microprocessor is poor,
It is only applicable to be lifted the not high occasion of rate request, and in the second method of the holding rate-determining steps of embodiment 1, due to rank
Iron the internal gap axially having a step pitch of capsul, therefore 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 above-mentioned technical problem, the present embodiment exists
Optimize on the basis of above-described embodiment, it has two solutions.Concrete scheme such as embodiment 3 and embodiment 4.
Embodiment 3
It is provided with capsul 2 and can order about the elastomeric element 20 that armature 12 moves down along actuated lever assemblies axle.Elastomeric element is preferred
Using spring, spring has downward active force to armature, can accelerate moving down and ensureing to keep armature in rate-determining steps of armature
Stability with actuated lever assemblies.
Embodiment 4
The lower connector assembly driving armature 12 to move down along actuated lever assemblies axle is additionally provided with capsul 2, lower connector assembly equally wraps
Include yoke and the coil being wound in yoke, the electromagnetic force producing after coil electricity drives armature 12 along under actuated lever assemblies axle
Move.Lower connector assembly is arranged on the linkage section of armature accommodating chamber Duan Yufei armature accommodating chamber section, is located at armature respectively with lifting assembly
The two ends of accommodating chamber section.Using this kind of structure, the lifting rate-determining steps in embodiment 1, lower slotting rate-determining steps, holding rate-determining steps
Accordingly can adjust with quick release rate-determining steps.
In lifting rate-determining steps, step D1 also includes controlling lower connector assembly work, and the coil 13 of lower connector assembly is energized, plus
Fast armature move down speed, now, friction lever will not move；Step F1 also includes stopping lower connector assembly work.
Down in slotting rate-determining steps, step D2 also includes controlling lower connector assembly work, the coil electricity to lower connector assembly, accelerates
Armature and friction lever move down speed；Step F2 also includes stopping lower connector assembly work.
During holding, in order to avoid the vibration of armature and actuated lever assemblies, keep rate-determining steps two according in embodiment 1,
Also need simultaneously to the coil of lifting assembly or the coil electricity of lower connector assembly.
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
Should not be by the demand of reactor.Due to the lifting force of friction lock type magnetic raiser and the friction of friction lever and armature residual gap
The direct phase of electromagnetic force that frictional force between power, friction lever and capsul, the electromagnetic force of lifting assembly generation, lower connector assembly produce
Close.In the case that other factorses are certain, increase the coil of moving assembly and the quantity of coil of holding assembly or the number of turn, permissible
Increase the normal pressure between friction lever and armature residual gap, friction lever and capsul, thus increasing the frictional force between them；Increase lifting
The number of turn of the coil of the coil of assembly and lower connector assembly can also directly increase the electromagnetic force that lifting assembly and lower connector assembly produce,
When lifting assembly and lower connector assembly external diameter one timing, increase the coil of lifting assembly and the number of turn of the coil of lower connector assembly can lead to
The axial length increasing the coil of the coil of lifting assembly and lower connector assembly increases, but this will not in generation technology the drawbacks of.Cause
This, as need improve the lifting force of friction lock type magnetic raiser it is only necessary on the basis of structure shown in Fig. 1, suitably increasing and protect
Hold quantity or the number of turn of the coil of assembly and the coil of moving assembly, and the coil of the coil of lifting assembly and lower connector assembly
The number of turn, with the demands meeting differential responses heap difference lifting force and have different restrictions to CRDM external diameter.
The friction lock type magnetic raiser of the present embodiment may be installed the top of reactor pressure vessel it is also possible to install
In the bottom of reactor pressure vessel, the friction lock type magnetic raiser structure being arranged on two positions can be identical,
Do not do any change, when only need to be connected the coil of the coil of lifting assembly and lower connector assembly 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, and that is, one end of capsul is pacified by flange 4
It is contained on base 16, seal the pressure boundary constituting reactor-loop by Graphite pad 15.
Accommodate in capsul 2 armature and annular groove, this annular groove and core bar concentric are arranged on cavity outer wall, to control magnetic flux to move towards.
Equally it is also provided with armature changing the annular groove of magnetic flux trend.
The present invention has that structure is simple, low cost, be easy to maintenance, life-span length, scram reliably, differential responses heap is had stronger
Adaptability the advantages of.
Above-described specific embodiment, has been carried out to the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be should be understood that the specific embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvement within the spirit and principles in the present invention, done etc., all should comprise
Within protection scope of the present invention.
Claims (10)
1. a kind of friction lock type magnetic raiser it is characterised in that：Including capsul（2）, be respectively positioned on capsul（2）Interior drive
Lever assembly and armature（12）, described actuated lever assemblies include friction lever（17）；Described capsul（2）It is internally provided with and be easy to hold in the mouth
Iron（12）Along friction lever（17）Axle movement armature accommodating chamber, described capsul（2）Outside is provided with can make friction lever（17）
It is adjacent to capsul（2）Holding assembly, 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 moved on axle, described holding assembly, moving assembly, lifting assembly all include yoke and coil.
2. a kind of friction lock type magnetic raiser according to claim 1 it is characterised in that：Described actuated lever assemblies are also
Including core bar（18）, many friction levers（17）With core bar（18）It is arranged in parallel and be looped around core bar（18）Outward, described core bar（18）
And friction lever（17）Two ends be respectively arranged with both be fixed with spacing magnetic patch（3）With control rod connecting rod（19）, institute
State capsul（2）Positioned at magnetic patch（3）One end be provided with stick location probe（1）.
3. a kind of friction lock type magnetic raiser according to claim 2 it is characterised in that：Described stick location probe
（1）For stretching into capsul（2）Internal magnetostriction type stick location probe or be arranged on capsul（2）Outside line of induction ring type
Stick location probe.
4. a kind of friction lock type magnetic raiser according to claim 1 it is characterised in that：Described capsul（2）On
It is additionally provided with driving armature（12）Along capsul（2）The lower connector assembly that armature accommodating chamber moves down.
5. a kind of friction lock type magnetic raiser according to claim 4 it is characterised in that：Described lower connector assembly includes
Yoke and the coil being wound in yoke.
6. according to claim 1 or 5 a kind of friction lock type magnetic raiser it is characterised in that：Described capsul（2）
Armature accommodate cavity outer wall on be provided with annular groove.
7. a kind of friction lock type magnetic raiser according to claim 1 it is characterised in that：Described armature（12）On set
It is equipped with annular groove.
8. a kind of friction lock type magnetic raiser according to claim 1 it is characterised in that：Described capsul（2）Interior
It is provided with and can order about armature（12）The elastomeric element moving down along actuated lever assemblies axle（20）.
9. a kind of control method of friction lock type magnetic raiser it is characterised in that：Including lifting rate-determining steps, lower slotting control
Step, holding at least one of rate-determining steps and quick release rate-determining steps, wherein：
Lifting rate-determining steps include：
A1, the only work of control moving assembly, make friction lever（17）With armature（12）Locking is motionless,
B1, control lifting assembly work, make to move on armature and drive friction lever（17）Upper shifting,
C1, control keep component operation, make friction lever（17）With capsul（2）Inwall locking is motionless,
D1, stopping moving assembly work and stopping lifting assembly work, release friction lever（17）With armature（12）Locking action,
Armature（12）Move down under self gravitation effect,；
E1, control moving assembly work after a period of time, make friction lever（17）With armature（12）Locking is motionless,
F1, stopping keep component operation,
G1, repeat the above steps A1 to F1；
Slotting rate-determining steps include down：
A2, only control keep component operation, make friction lever（17）With capsul（2）Inwall locking is motionless；
B2, control lifting assembly work, armature（12）Upper shifting；
C2, control moving assembly work, make friction lever（17）With armature（12）Locking is motionless；
D2, stopping keep component operation and stop lifting assembly work, release friction lever（17）With capsul（2）Locking move
Make, armature（12）And friction lever（17）Move down under self gravitation effect,；
E2, control keep component operation, make friction lever（17）With capsul（2）Inwall locking is motionless,
F2, stopping moving assembly work, release friction lever（17）With armature（12）Locking action,
G2, repeat the above steps A2 to F2.
10. a kind of friction lock type magnetic raiser according to claim 9 control method it is characterised in that：Step
D1 also includes controlling lower connector assembly work, and step F1 also includes stopping lower connector assembly work；
Step D2 also includes controlling lower connector assembly work, and step F2 also includes stopping lower connector assembly work.
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 true CN106409347A (en) | 2017-02-15 |
| CN106409347B 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) |
Cited By (3)
| 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 |
| CN111968763A (en) * | 2019-11-27 | 2020-11-20 | 四川大学 | Friction type control rod driving mechanism and method |
| CN112102969A (en) * | 2020-09-21 | 2020-12-18 | 四川大学 | Reactor driving device and method capable of self-locking and releasing |
Citations (6)
| 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 |
| JP2007085848A (en) * | 2005-09-21 | 2007-04-05 | Toshiba Corp | Fast neutron reactor |
| 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 |
| KR20090058633A (en) * | 2007-12-05 | 2009-06-10 | 한국전기연구원 | Method for secure double holding of control rod drive mechanism and apparatus thereof |
| US20140016732A1 (en) * | 2012-07-10 | 2014-01-16 | Korea Atomic Energy Research Institute | Apparatus and method for controlling control rod of nuclear reactor for nuclear power plant |
| CN104616705A (en) * | 2015-01-09 | 2015-05-13 | 中科华核电技术研究院有限公司 | Control system for reactor control rods |
-
2016
- 2016-10-31 CN CN201610929322.3A patent/CN106409347B/en active Active
Patent Citations (6)
| 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 |
| JP2007085848A (en) * | 2005-09-21 | 2007-04-05 | Toshiba Corp | Fast neutron reactor |
| KR20090058633A (en) * | 2007-12-05 | 2009-06-10 | 한국전기연구원 | Method for secure double holding of control rod drive mechanism and apparatus thereof |
| 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 |
| US20140016732A1 (en) * | 2012-07-10 | 2014-01-16 | Korea Atomic Energy Research Institute | Apparatus and method for controlling control rod of nuclear reactor for nuclear power plant |
| CN104616705A (en) * | 2015-01-09 | 2015-05-13 | 中科华核电技术研究院有限公司 | Control system for reactor control rods |
Cited By (5)
| 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 |
| CN111968763A (en) * | 2019-11-27 | 2020-11-20 | 四川大学 | Friction type control rod driving mechanism and method |
| CN111968763B (en) * | 2019-11-27 | 2021-05-18 | 四川大学 | Friction type control rod driving mechanism and method |
| CN112102969A (en) * | 2020-09-21 | 2020-12-18 | 四川大学 | Reactor driving device and method capable of self-locking and releasing |
| CN112102969B (en) * | 2020-09-21 | 2021-10-15 | 四川大学 | Reactor driving device and method capable of self-locking and releasing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106409347B (en) | 2018-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106409347A (en) | Friction locking type magnetic lifter and control method thereof | |
| JP6023042B2 (en) | Control rod drive mechanism and device for nuclear reactor | |
| CN101178946B (en) | Stepwise magnetic force hoisting type reactor control rod driving mechanism | |
| JP5886312B2 (en) | Hydraulic control rod drive mechanism for reactor internals | |
| CN111648016B (en) | Hybrid magnetic suspension knitting needle driving device and control method thereof | |
| CN202208605U (en) | High-positioning-accuracy hoisting mechanism of crane | |
| CN108922637A (en) | A kind of nuclear power station-service control rod drive mechanism | |
| CN205751538U (en) | A kind of built-in CRDM | |
| CN102956274B (en) | Mixing linear reluctance motor type control rod driving mechanism | |
| CN115376709A (en) | Motor lead screw type control rod driving mechanism and driving method thereof | |
| CN109994224A (en) | Ship reactor control rod drive mechanism | |
| CN211449460U (en) | Bidirectional hybrid driving type self-detection motor brake and motor thereof | |
| CN102431461A (en) | Electromagnetic actuating mechanism and relevant electromagnetic mechanism for parking electric automobile | |
| CN206419076U (en) | A kind of electromagnetic actuator suitable for engine cam shift system | |
| CN105803622A (en) | Heddle frame fixed shedding method and built-in mechanical device | |
| CN209216597U (en) | A kind of deepwater swimming-pool type reactor for supplying heat control rod drive mechanism | |
| CN109686461B (en) | Pool type low-temperature heat supply pile control rod guide cylinder structure | |
| CN103560644B (en) | A kind of magnetic guiding loop stator cylinder shape linear switched reluctance motor | |
| CN205666071U (en) | Pressure shell assembly and control rod drive mechanism | |
| CN109346195A (en) | A kind of deepwater swimming-pool type reactor for supplying heat control rod drive mechanism | |
| JP4825478B2 (en) | Fast reactor | |
| KR102187262B1 (en) | Control Element Drive Mechanism with Interrior permanent magnet | |
| CN221766356U (en) | Electromagnet for control rod driving mechanism, clamping assembly and control rod driving mechanism | |
| CN110985571B (en) | Magnetic force distribution type bidirectional hybrid driving self-detection motor brake and motor thereof | |
| CN202549320U (en) | Control rod assembly |
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 |