CN209641360U - A kind of control rod relieving mechanism - Google Patents
A kind of control rod relieving mechanism Download PDFInfo
- Publication number
- CN209641360U CN209641360U CN201920390436.4U CN201920390436U CN209641360U CN 209641360 U CN209641360 U CN 209641360U CN 201920390436 U CN201920390436 U CN 201920390436U CN 209641360 U CN209641360 U CN 209641360U
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- outer barrel
- inner cylinder
- control rod
- electromagnetic coil
- relieving mechanism
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- 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
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Abstract
The utility model discloses a kind of control rod relieving mechanisms, including electromagnetic clutch, the electromagnetic clutch includes electromagnetic coil, outer barrel and inner cylinder, and the outer barrel is set in the outside of inner cylinder, and all has gap between inner cylinder outer wall each point and outer barrel inner wall each point；The electromagnetic coil is located at the outside of outer barrel or the inside positioned at inner cylinder；It further include the freewheel clutch with one-way check function being set between inner cylinder and outer barrel, the freewheel clutch makes in both outer barrel and inner cylinder, and one of them can be one-directionally rotated independently of another one.This control rod relieving mechanism is used to be connected in the spindle drive chain of control rod drive mechanism, releases the control stick under emergency work condition to realize, meanwhile, the structure design of this control rod relieving mechanism may make it to have the characteristics that long service life.
Description
Technical field
The utility model relates to technical field of nuclear power, more particularly to a kind of control rod relieving mechanism.
Background technique
Safe rod drive mechanism (control rod drive mechanism) is important component or equipment in reactor, lower end connection peace
Full stick (control rod), such as under emergency work condition, discharging safety rod to realize reactor emergency shut-down.Normal reactor operation
When safety rod be maintained at highest point for a long time, once accident occurs, safe rod drive mechanism changes its constraint, and safety rod is quick
It is inserted into reactor core, so that reactor is realized emergency shut-down, to guarantee the safety of reactor.
In control rod drive mechanism, spindle drive chain generally by gear driving have rack gear main shaft above mention or under
It inserts, to realize reactor emergency shut-down under emergency work condition, occurs electromagnetic clutch of connecting on spindle drive chain in the prior art
The implementation of device.
The structure design of control rod drive mechanism is advanced optimized, so that it is with longer service life and preferably
Performance reliability is those skilled in the art's technical problem urgently to be resolved.
Utility model content
For the structure design for advanced optimizing control rod drive mechanism set forth above, so that it makes with longer
It is those skilled in the art's technical problem urgently to be resolved with service life and better performance reliability, the utility model provides
A kind of control rod relieving mechanism, this control rod relieving mechanism for being connected in the spindle drive chain of control rod drive mechanism,
Stick is released the control under emergency work condition to realize, meanwhile, the structure design of this control rod relieving mechanism may make it has to use the longevity
Order long feature.
A kind of control rod relieving mechanism provided by the utility model is solved the problems, such as by following technical essential: a kind of control
Stick relieving mechanism, including electromagnetic clutch, the electromagnetic clutch include electromagnetic coil, outer barrel and inner cylinder, the outer cylinder
Body is set in the outside of inner cylinder, and all has gap between inner cylinder outer wall each point and outer barrel inner wall each point；
The electromagnetic coil is located at the outside of outer barrel or the inside positioned at inner cylinder；
It further include the freewheel clutch with one-way check function being set between inner cylinder and outer barrel, it is described to surmount
Clutch makes in both outer barrel and inner cylinder, and one of them can be one-directionally rotated independently of another one.
In the present solution, the electromagnetic clutch is used to be connected in the spindle drive chain of control rod drive mechanism, in electromagnetism
When clutch combines, electromagnetic clutch is as a part on spindle drive chain, for transmitting torque, so that main shaft drives control
It is pulled out in stick completion, underthrust movement.In reactor accident, if electromagnetic clutch powers off, electromagnetic clutch, which is in, disengages shape
State, at this point, spindle drive chain loses the restriction ability to control rod, control rod falls under the factors such as gravity with main shaft, plays
The purpose of reactor is protected under accident condition.
In the present solution, including inner cylinder, outer barrel and electromagnetic coil by being set as electromagnetic clutch, while being set as interior
Gap is all had between cylinder body outer wall each point and outer barrel inner wall each point, i.e. inner cylinder is alternatively arranged with outer barrel, inner cylinder with
Outer barrel is without directly contacting, and the bonding state of electromagnetic clutch is are as follows: electromagnetic coil is powered, the magnetic between inner cylinder and outer barrel
Power makes that torque can be transmitted between inner cylinder and outer barrel two, above to mention or when underthrust, pass through phase needing to carry out control rod
It answers driving mechanism to exert a force to main shaft: one of wherein being rotated under the action of the two magnetic force with another one.Electromagnetic coil such as
In the state of accident when power loss, the magnetic force between inner cylinder and outer barrel disappears or reduction, is equivalent to spindle drive under this state
Chain disconnects, and control rod can fall to the position of protection reactor.Due to inner cylinder and outer barrel between the two without being directly connected to and
Contact, thus compared to existing electromagnetic clutch, torque is transmitted by magnetic force when due to electromagnetic clutch work, thus it is both described
It is friction free both when transmission chain works normally, therefore this control rod relieving mechanism has that performance is more reliable, service life
Longer feature.
Occur control rod rebound situation when the above freewheel clutch is for avoiding main shaft tenesmus with dynamic conduit phase separation, uses
This programme, when electromagnetic clutch combines, since inner cylinder and outer barrel rotate synchronously, so when freewheel clutch upper-part simultaneously
Without relative motion, and when electromagnetic clutch disengages, the one of them can be one-directionally rotated independently of another one, i.e., super
More clutch allows one of to be connected directly with main shaft and rotate to allow main shaft to drop；Main shaft tenesmus rebounds because of collision in place
When, since freewheel clutch hinders one of to be connected directly reversion with main shaft, therefore it can reach the purpose for avoiding main shaft from rebounding.
Specifically, in electromagnetic clutch, setting are as follows: electromagnetic coil, including coil body, the coil body include coil
Skeleton and coil windings, the coil rack include tubular inner frame and outer skeleton, further include end plate, the inner frame,
Outer skeleton, end plate surround annular space, and the coil windings are installed in the annular space, the material of the outer skeleton and end plate
Matter is magnetic conductive material, and the inner frame overall material is non-permeable material or local material is non-permeable material；When
Be the part of non-permeable material be cylinder section when inner frame part material is non-permeable material, and the cylinder section be connected on it is interior
Between the both ends of skeleton；Meanwhile electromagnetic clutch include outer barrel, inner cylinder electromagnetic coil is the specific scheme is that the outer cylinder
Body is mounted on the inside of inner frame, and has gap between outer barrel and inner frame；The inner cylinder is mounted on the interior of outer barrel
Side is additionally provided with a plurality of second axial cord on the outside of inner cylinder, and the described second axial cord annular is distributed on inner cylinder,
A plurality of first axis cord is additionally provided on the outside of outer barrel, the first axis cord annular is distributed on outer barrel, the
The extending direction of one axial cord along outer barrel axial direction, the extending direction of the second axial cord along inner cylinder axis
To direction, and also there is gap between the second axial cord and first axis cord, the above gap is for avoiding inner cylinder and outer
Cylinder is touched during relatively rotating；The material of the inner cylinder and the second axial cord is magnetic conductive material；Institute
It states outer barrel to be connected in series by three sections of cylinder sections, the cylinder section for forming outer barrel includes being in the end barrel section at both ends and in intermediate
Middle part cylinder section, the material of the end barrel section are magnetic conductive material, and the material of the middle part cylinder section is non-magnetic shape material；Institute
State inner frame generally non-permeable material material when, the projection of the end plate towards outer barrel is fallen in end barrel section, and hold
Plate and outer barrel section correspond；It is described to state inner frame locally be non-permeable material material when, be non-permeable material
The projection of other sections towards the outer barrel of cylinder section two sides is fallen in end barrel section, and other described sections and outer barrel section are one by one
It is corresponding.
Specifically, such as connecting driving device on outer barrel, in both outer barrel and inner cylinder, outer barrel is actuating cylinder
Body: it when coil windings are powered, to power on as exciting current, at this point, coil windings generate magnetic field, is set as outside the above
The material of skeleton and end plate is magnetic conductive material, and the inner frame overall material is non-permeable material or local material is non-
Magnetic conductive material；It is the part of non-permeable material is cylinder section, and described when inner frame part material is non-permeable material
Cylinder section is connected between the both ends of inner frame, is selected by the material whole or local to outer barrel and inner cylinder, both may be used in this way
Guarantee, the above electromagnetic clutch is when being powered, the magnetic for the medium guidance magnetic flux that the above magnetic conductive material part is transmitted as magnetic field
Road, while the above non-permeable material can be limited to respective magnetic circuit or the magnetic line of force is annular in shape: main magnetic circuit or the magnetic line of force are in ring
Shape, and path covers the end plate of outer skeleton, two sides, while passing through outer barrel and inner cylinder, in this way, due to including the axial rib
Item, when outer barrel is driven the torque rotation of device application, the respective magnetic force between axial cord of outer barrel and inner cylinder
Line distortion, always attempts to shrink using the magnetic line of force, so that feature of magnetic resistance minimum allows as actively on the path for passing through it
The outer barrel of rotor is opposite with the inner cylinder salient pole center as driven rotor, at this moment, can be obtained a tangential component effect
It is that driven rotor generates torque in driven rotor, makes driven rotor that power rotor be followed to rotate, electromagnetic clutch in the case of this
Connection status in transmitting torque.When coil windings power loss, the above magnetic force heading line off or magnetic flux become smaller, in this case, electric
Magnet clutch becomes off-state or is gradually returned to off-state.
Further technical solution are as follows:
As noted previously, as there is rotation operating condition during the work time in inner cylinder and outer barrel, for convenience of transmission force and
Adapt to the structure design of existing control rod drive mechanism, setting are as follows: pass through connection key connection on the outer barrel and inner cylinder
There is fluted disc, the fluted disc on outer barrel and outer barrel are coaxial, and the fluted disc and inner cylinder on inner cylinder are coaxial.Using this programme, electromagnetism
Clutch is connected in series through the fluted disc that the fluted disc tooth engagement is set on corresponding transmission shaft on spindle drive chain.
The electromagnetic coil, outer barrel, inner cylinder three are coaxial, and electromagnetic coil is cylindrical in shape, and electromagnetic coil is set in outer cylinder
The outside of body；
The electromagnetic coil and outer barrel are mutually indepedent.In the present solution, electromagnetic coil and outer barrel, outer barrel and inner cylinder
Without directly contact, in this way, electromagnetic coil will not rotate electromagnetic clutch with outer barrel at work, therefore specifically used
When, electromagnetic coil is fixedly mounted in the casing of control rod drive mechanism, in this way, can not only simplify connecing for electromagnetic coil
Line, simultaneously because the power receiving section split-phase of electromagnetic clutch fixes casing, therefore this programme is additionally favorable for electromagnetic clutch performance
Reliability.This programme can be used outer barrel by bearing and casing connection, inner cylinder and pass through bearing and outer cylinder in specific use
The form of body connection.
As convenient for assembly and the technical solution of control rod drive mechanism diameter can be reduced, setting are as follows: further include for driving
Gear that dynamic main shaft moves in a straight line, for the transmission shaft of sliding tooth wheel rotation, the inner cylinder passes through transmission shaft and gear phase
Even.In the prior art, due to main shaft generally with control rod drive mechanism it is coaxial, using this programme, i.e. outer barrel passes through transmission shaft
Be connected with respective drive device, the driving device by transmission shaft drive outer barrel rotation make control rod completion above mention and
Underthrust movement, meanwhile, may be configured as: main shaft, outer barrel, inner cylinder, electromagnetic coil are coaxial, in this way, inner cylinder and main shaft
Itself it is located at the inside of outer barrel, therefore uses the above design, space in casing can be efficiently used, so that the installation of electromagnetic clutch
Or the setting of spindle drive chain does not expand the internal diameter of casing as far as possible.
As a kind of specific inner cylinder assembling form, setting are as follows: further include bearing, the inner cylinder is installed by bearing
In the inside of outer barrel.
To make the control rod after electromagnetic clutch power loss that there is smaller decline resistance, so that control rod can play
Better control rod protecting effect, setting are as follows: the material of the outer barrel and inner cylinder permeable section is soft magnet material.This
In scheme, the permeable section is the magnetic conductive material part.
The utility model has the following beneficial effects:
In the present solution, the electromagnetic clutch is used to be connected in the spindle drive chain of control rod drive mechanism, in electromagnetism
When clutch combines, electromagnetic clutch is as a part on spindle drive chain, for transmitting torque, so that main shaft drives control
It is pulled out in stick completion, underthrust movement.In reactor accident, if electromagnetic clutch powers off, electromagnetic clutch, which is in, disengages shape
State, at this point, spindle drive chain loses the restriction ability to control rod, control rod falls under the factors such as gravity with main shaft, plays
The purpose of reactor is protected under accident condition.
In the present solution, including inner cylinder, outer barrel and electromagnetic coil by being set as electromagnetic clutch, while being set as interior
Gap is all had between cylinder body outer wall each point and outer barrel inner wall each point, i.e. inner cylinder is alternatively arranged with outer barrel, inner cylinder with
Outer barrel is without directly contacting, and the bonding state of electromagnetic clutch is are as follows: electromagnetic coil is powered, the magnetic between inner cylinder and outer barrel
Power makes that torque can be transmitted between inner cylinder and outer barrel two, above to mention or when underthrust, pass through phase needing to carry out control rod
It answers driving mechanism to exert a force to main shaft: one of wherein being rotated under the action of the two magnetic force with another one.Electromagnetic coil such as
In the state of accident when power loss, the magnetic force between inner cylinder and outer barrel disappears or reduction, is equivalent to spindle drive under this state
Chain disconnects, and control rod can fall to the position of protection reactor.Due to inner cylinder and outer barrel between the two without being directly connected to and
Contact, thus compared to existing electromagnetic clutch, torque is transmitted by magnetic force when due to electromagnetic clutch work, thus it is both described
It is friction free both when transmission chain works normally, therefore this control rod relieving mechanism has that performance is more reliable, service life
Longer feature.
Occur control rod rebound situation when the above freewheel clutch is for avoiding main shaft tenesmus with dynamic conduit phase separation, uses
This programme, when electromagnetic clutch combines, since inner cylinder and outer barrel rotate synchronously, so when freewheel clutch upper-part simultaneously
Without relative motion, and when electromagnetic clutch disengages, the one of them can be one-directionally rotated independently of another one, i.e., super
More clutch allows one of to be connected directly with main shaft and rotate to allow main shaft to drop；Main shaft tenesmus rebounds because of collision in place
When, since freewheel clutch hinders one of to be connected directly reversion with main shaft, therefore it can reach the purpose for avoiding main shaft from rebounding.
Detailed description of the invention
Fig. 1 is the biography that one specific embodiment one kind of a kind of control rod relieving mechanism described in the utility model is specifically used
Dynamic schematic diagram；
Fig. 2 is a kind of structure sectional view of one specific embodiment of control rod relieving mechanism described in the utility model.
Appended drawing reference in figure is successively are as follows: 1, electromagnetic coil, 2, outer barrel, and 3, connecting key, 4, transmission shaft, 5, inner cylinder,
6, bearing, 7, gear, 8, rack gear, 9, main shaft, 10, freewheel clutch.
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail, but the structure of the utility model is not only
It is limited to following embodiment.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of control rod relieving mechanism, including electromagnetic clutch, the electromagnetic clutch include electricity
Magnetic coil 1, outer barrel 2 and inner cylinder 5, the outer barrel 2 are set in the outside of inner cylinder 5, and 5 outer wall each point of inner cylinder and outer
Gap is all had between 2 inner wall each point of cylinder；
The electromagnetic coil 1 is located at the outside of outer barrel 2 or positioned at the inside of inner cylinder 5；
It further include the freewheel clutch 10 with one-way check function being set between inner cylinder 5 and outer barrel 2, it is described
Freewheel clutch 10 makes in outer barrel 2 and 5 the two of inner cylinder, and one of them can be one-directionally rotated independently of another one.
In the present solution, the electromagnetic clutch is used to be connected in 9 transmission chain of main shaft of control rod drive mechanism, in electromagnetism
When clutch combines, electromagnetic clutch is as a part on 9 transmission chain of main shaft, for transmitting torque, so that the driving control of main shaft 9
It is pulled out in stick completion processed, underthrust movement.In reactor accident, if electromagnetic clutch powers off, electromagnetic clutch, which is in, to be disengaged
State, at this point, 9 transmission chain of main shaft loses the restriction ability to control rod, control rod falls under the factors such as gravity with main shaft 9,
Play the purpose that reactor is protected under accident condition.
In the present solution, including inner cylinder 5, outer barrel 2 and electromagnetic coil 1 by being set as electromagnetic clutch, it is arranged simultaneously
All having gap between 2 inner wall each point of 5 outer wall each point of inner cylinder and outer barrel, i.e. inner cylinder 5 is alternatively arranged with outer barrel 2,
Without directly contacting, the bonding state of electromagnetic clutch is for inner cylinder 5 and outer barrel 2 are as follows: electromagnetic coil 1 is powered, inner cylinder 5 and outer
Magnetic force between cylinder 2 makes that torque can be transmitted between inner cylinder 5 and 2 liang of outer barrel, above to mention needing to carry out control rod
Or when underthrust, is exerted a force by respective drive mechanism to main shaft 9: one of wherein being turned under the action of the two magnetic force with another one
It is dynamic.In such as power loss in the state of accident of electromagnetic coil 1, the magnetic force between inner cylinder 5 and outer barrel 2 disappears or reduction, this shape
The disconnection of 9 transmission chain of main shaft is equivalent under state, control rod can fall to the position of protection reactor.Due to inner cylinder 5 and outer barrel 2
Between the two without being directly connected to and contact, therefore compared to existing electromagnetic clutch, due to relying on magnetic when electromagnetic clutch work
Power transmits torque, therefore both described is friction free both when transmission chain works normally, therefore this control rod relieving mechanism has
The characteristics of performance is more reliable, the service life is longer.
Occur control rod rebound situation when the above freewheel clutch 10 is for avoiding the tenesmus of main shaft 9 with dynamic conduit phase separation,
Using this programme, when electromagnetic clutch combines, since inner cylinder 5 and outer barrel 2 rotate synchronously, so when freewheel clutch 10
Upper-part does not simultaneously have relative motion, and when electromagnetic clutch disengages, the one of them can be unidirectional independently of another one
One of rotation, i.e. freewheel clutch 10 allow and main shaft 9 is connected directly rotation is to allow main shaft 9 to drop；Main shaft 9 drops in place
Because of collision when rebounding, since freewheel clutch 10 one of hinders to be connected directly reversion with main shaft 9, therefore it can reach and avoid leading
The purpose that axis 9 rebounds.
Embodiment 2:
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1: further technical side
Case are as follows:
As noted previously, as there is rotation operating condition in inner cylinder 5 and outer barrel 2, for convenience of transmission force during the work time
And adapt to the structure design of existing control rod drive mechanism, setting are as follows: pass through connecting key 3 on the outer barrel 2 and inner cylinder 5
It is connected with fluted disc, the fluted disc and outer barrel 2 on outer barrel 2 are coaxial, and the fluted disc and inner cylinder 5 on inner cylinder 5 are coaxial.Using we
Case, electromagnetic clutch are connected in series through the tooth that the fluted disc tooth engagement is set on corresponding transmission shaft 4 on 9 transmission chain of main shaft
Disk.
The electromagnetic coil 1, outer barrel 2,5 three of inner cylinder are coaxial, and electromagnetic coil 1 is cylindrical in shape, and electromagnetic coil 1 is set in
The outside of outer barrel 2；
The electromagnetic coil 1 and outer barrel 2 are mutually indepedent.In the present solution, electromagnetic coil 1 and outer barrel 2, outer barrel 2 with
Inner cylinder 5 is without directly contact, in this way, electromagnetic coil 1 will not rotate electromagnetic clutch with outer barrel 2 at work, therefore
When specifically used, electromagnetic coil 1 is fixedly mounted in the casing of control rod drive mechanism, in this way, can not only simplify
The wiring of electromagnetic coil 1, simultaneously because the power receiving section split-phase of electromagnetic clutch fixes casing, therefore this programme is additionally favorable for electromagnetism
The reliability of clutch performance.This programme can be used outer barrel 2 and pass through bearing 6 and casing connection, inner cylinder in specific use
5 by way of bearing 6 is connect with outer barrel 2.
As convenient for assembly and the technical solution of control rod drive mechanism diameter can be reduced, setting are as follows: further include for driving
Gear 7 that dynamic main shaft 9 moves in a straight line, the transmission shaft 4 for driving gear 7 to rotate, the inner cylinder 5 by transmission shaft 4 with
Gear 7 is connected.In the prior art, due to main shaft 9 generally with control rod drive mechanism it is coaxial, transmission shaft 4 driving gear 7 rotate
When, gear 7 is meshed with the rack gear 8 on main shaft 9, achievees the purpose that drive control stick to change control rod height.Using we
Case, i.e. outer barrel 2 are connected by transmission shaft 4 with respective drive device, and the driving device drives outer barrel 2 by transmission shaft 4
It rotates and control rod completion is above mentioned and is acted with underthrust, meanwhile, it may be configured as: main shaft 9, outer barrel 2, inner cylinder 5, electromagnetic wire
It is coaxial to enclose 1 four, in this way, inner cylinder 5 and main shaft 9 itself are located at the inside of outer barrel 2, therefore uses the above design, it can be effectively sharp
With space in casing, so that the setting of 9 transmission chain of installation or main shaft of electromagnetic clutch does not expand the internal diameter of casing as far as possible.
As a kind of specific 5 assembling form of inner cylinder, setting are as follows: further include bearing 6, the inner cylinder 5 passes through bearing 6
It is mounted on the inside of outer barrel 2.
To make the control rod after electromagnetic clutch power loss that there is smaller decline resistance, so that control rod can play
Better control rod protecting effect, setting are as follows: the material of 5 permeable section of the outer barrel 2 and inner cylinder is soft magnet material.
The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize
Determine specific embodiment of the present utility model to be only limited to these instructions.For the common skill of the utility model technical field
For art personnel, the other embodiments obtained in the case where not departing from the technical solution of the utility model be should be included in practical
In novel protection scope.
Claims (6)
1. a kind of control rod relieving mechanism, including electromagnetic clutch, which is characterized in that the electromagnetic clutch includes electromagnetic coil
(1), outer barrel (2) and inner cylinder (5), the outer barrel (2) is set in the outside of inner cylinder (5), and inner cylinder (5) outer wall is each
Gap is all had between point and outer barrel (2) inner wall each point；
The electromagnetic coil (1) is located at the outside of outer barrel (2) or is located at the inside of inner cylinder (5)；
It further include the freewheel clutch (10) with one-way check function being set between inner cylinder (5) and outer barrel (2), institute
It states freewheel clutch (10) to make in outer barrel (2) and inner cylinder (5) the two, one of them can unidirectionally turn independently of another one
It is dynamic.
2. a kind of control rod relieving mechanism according to claim 1, which is characterized in that the outer barrel (2) and inner cylinder
(5) be connected with fluted disc by connecting key (3) on, the fluted disc on outer barrel (2) and outer barrel (2) coaxially, on inner cylinder (5)
Fluted disc and inner cylinder (5) are coaxial.
3. a kind of control rod relieving mechanism according to claim 1, which is characterized in that the electromagnetic coil (1), outer barrel
(2), inner cylinder (5) three is coaxial, and electromagnetic coil (1) is cylindrical in shape, and electromagnetic coil (1) is set in the outside of outer barrel (2)；
The electromagnetic coil (1) and outer barrel (2) are mutually indepedent.
4. a kind of control rod relieving mechanism according to claim 1, which is characterized in that further include for driving spindle (9)
Gear (7), the transmission shaft (4) for driving gear (7) to rotate moved in a straight line, the inner cylinder (5) pass through transmission shaft (4)
It is connected with gear (7).
5. a kind of control rod relieving mechanism as claimed in any of claims 1 to 4, which is characterized in that further include axis
It holds (6), the inner cylinder (5) is mounted on the inside of outer barrel (2) by bearing (6).
6. a kind of control rod relieving mechanism as claimed in any of claims 1 to 4, which is characterized in that the outer cylinder
The material of body (2) and inner cylinder (5) permeable section is soft magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920390436.4U CN209641360U (en) | 2019-03-26 | 2019-03-26 | A kind of control rod relieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920390436.4U CN209641360U (en) | 2019-03-26 | 2019-03-26 | A kind of control rod relieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641360U true CN209641360U (en) | 2019-11-15 |
Family
ID=68496759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920390436.4U Active CN209641360U (en) | 2019-03-26 | 2019-03-26 | A kind of control rod relieving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209641360U (en) |
-
2019
- 2019-03-26 CN CN201920390436.4U patent/CN209641360U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xia Fan Inventor after: Jin Fenglei Inventor after: Zheng Fulei Inventor after: Chen Shuming Inventor after: Wang Mingzheng Inventor after: Yang Kongli Inventor after: Tang Jumei Inventor after: Wei Jing Inventor after: Zhu Qing Inventor before: Tang Jumei Inventor before: Wei Jing Inventor before: Zhu Qing |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210104 Address after: 100000 Beifang, Xinzhen, Fangshan District, Beijing Patentee after: China Institute of Atomic of Energy Address before: 610000 Sichuan Chengdu Dujiangyan Sichuan Dujiangyan Economic Development Zone No. 5 Longxiang Road Patentee before: Sichuan Huadu Nuclear Equipment Manufacture Co.,Ltd. |