CN209419467U - A kind of electromagnetic clutch for safe rod drive mechanism - Google Patents
A kind of electromagnetic clutch for safe rod drive mechanism Download PDFInfo
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- CN209419467U CN209419467U CN201920394864.4U CN201920394864U CN209419467U CN 209419467 U CN209419467 U CN 209419467U CN 201920394864 U CN201920394864 U CN 201920394864U CN 209419467 U CN209419467 U CN 209419467U
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Abstract
The utility model discloses a kind of electromagnetic clutch for safe rod drive mechanism, including outer barrel and inner cylinder, the a plurality of second axial cord is additionally provided on the outside of inner cylinder, a plurality of first axis cord is additionally provided on the outside of outer barrel, also there is gap between second axial cord and first axis cord, the above gap is for avoiding inner cylinder and outer barrel from touching during relatively rotating；The material of the inner cylinder and the second axial cord is magnetic conductive material；The outer barrel is connected in series by three sections of cylinder sections, and the cylinder section for forming outer barrel includes the end barrel section in both ends and the middle part cylinder section in centre, and the material of the end barrel section is magnetic conductive material, and the material of the middle part cylinder section is non-magnetic shape material.The structure design of this electromagnetic clutch may make it to have the characteristics that long service life, reliable performance.
Description
Technical field
The utility model relates to technical field of nuclear power, more particularly to a kind of electromagnetic clutch for safe rod drive mechanism
Device.
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
The structure design of a kind of electromagnetic clutch for safe rod drive mechanism, this electromagnetic clutch may make it has to use the longevity
The characteristics of life length, reliable performance.
A kind of electromagnetic clutch for safe rod drive mechanism provided by the utility model by following technical essential come
Solve the problems, such as: a kind of electromagnetic clutch for safe rod drive mechanism, including outer barrel and inner cylinder, the outer barrel with it is interior
In cylinder the two, one of them is as power rotor, and another one is as driven rotor, and inner cylinder is embedded in the inner hole of outer barrel
In, a plurality of second axial cord is additionally provided on the outside of inner cylinder, 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 extending direction of first axis cord along outer barrel axial direction, the extending direction of the second axial cord along
The axial direction of inner cylinder, and also there is gap between the second axial cord and first axis cord, the above gap is for avoiding
Inner cylinder and outer barrel are touched during relatively rotating；
The material of the inner cylinder and the second axial cord is magnetic conductive material；
The outer barrel is connected in series by three sections of cylinder sections, form outer barrel cylinder section include in both ends end barrel section and
In intermediate middle part cylinder section, the material of the end barrel section is magnetic conductive material, and the material of the middle part cylinder section is non-magnetic
Shape material.
In the structure design and material selection of this programme, it is intended to form such as under type as far as possible on inner cylinder and outer barrel
Magnetic circuit or the magnetic line of force: by outer barrel both ends and pass through inner cylinder, and be located across outer barrel by the part of inner cylinder
Between the part at both ends.In this way, due to being respectively included on outer barrel and inner cylinder as first axis cord and the second axial cord
Axial cord, outer barrel and inner cylinder are driven the torque of device application in outer barrel if outer barrel is as power rotor
When rotation, the respectively magnetic line of force distortion between axial cord of outer barrel and inner cylinder is always attempted to shrink using the magnetic line of force, so that
The feature of magnetic resistance minimum allows the outer barrel as power rotor and the inner cylinder as driven rotor on the path that it must be made to pass through
Salient pole center is opposite, at this moment, can be obtained a tangential component act on driven rotor be driven rotor obtain torque, make from
Turn follows power rotor to rotate, and electromagnetic clutch is in the connection status of transmitting torque in the case of this.When the above magnetic line of force
It disappears or magnetic flux becomes smaller, in this case, electromagnetic clutch becomes off-state or is gradually returned to off-state.
The electromagnetic clutch can be connected on when in use in the spindle drive chain of control rod drive mechanism, urgent to realize
Stick is released the control under operating condition, meanwhile, in the above inner cylinder and outer barrel transmitting torque scheme, distorts and complete by the magnetic line of force, therefore
The above electromagnetic clutch is a kind of contactless electromagnetic clutch, in this way, may make in the electromagnetic clutch course of work without abrasion,
So that electromagnetic clutch has the characteristics that long service life, reliable performance.
Specifically, generating the magnetic circuit, tool since electromagnetic clutch needs its working condition of solenoid controlled for matching
The electromagnetic coil of body may be configured as: including coil body, the coil body includes coil rack and coil windings, the coil
Skeleton includes tubular inner frame and outer skeleton, further includes end plate, and the inner frame, outer skeleton, end plate surround annular space,
The coil windings are installed in the annular space, and the material of the outer skeleton and end plate is magnetic conductive material, described interior
Skeleton overall material is non-permeable material or local material is non-permeable material；
It is the part of non-permeable material is cylinder section when inner frame part material is non-permeable material, and the cylinder
Section is connected between the both ends of inner frame.In above scheme, the form of inner frame is intended to so that not produced on coil rack
It gives birth to closed magnetic circuit and avoids that sufficiently large torque cannot be transmitted between inner cylinder and outer barrel, facilitate inner frame to add as a kind of
The technical solution of work, setting are as follows: the inner frame generally non-permeable material, projection of the inner frame left end towards left side end plate
It falls within left-hand end edges of boards edge, the projection of inner frame right end towards right side end plate is fallen within right-hand end edges of boards edge.
To enable coil rack to close the annular space to protect coil windings, it is arranged are as follows: the annular space
For airtight cavity.
As a kind of Redundancy Design, to guarantee the reliability of electromagnetic clutch work, setting are as follows: the coil windings are more
It is a, and each coil windings can work independently.Using this programme, when the work of single coil winding cannot enable electromagnetic clutch
It enough transmits enough torques or when single coil winding cannot work, by the coil windings of switch operating or multiple lines can be made
It encloses winding and works together the reliability for guaranteeing electromagnetic clutch work.
In the specific implementation, in the inner frame generally non-permeable material material, the end plate is towards outer barrel
Projection fall in end barrel section, and end plate and outer barrel section correspond；
It is described to state inner frame locally be non-permeable material material when, be other of the cylinder section two sides of non-permeable material
The projection of cylinder section towards outer barrel is fallen in end barrel section, and other described sections and outer barrel section correspond.Specifically, can
Setting are as follows: inner cylinder is set on main shaft, and the key for transmitting torque is arranged therebetween, and outer barrel is installed by bearing
On inner cylinder or main shaft, the coil rack of electromagnetic coil is directly anchored on the outer housing of control rod drive mechanism, while
Bearing is set between outer barrel on the inside of coil rack, in this way, electromagnetic coil, inner cylinder can be limited, between outer barrel three
Position.Restriction to the above inner cylinder, the second axial cord, outer barrel structure and material, as described in being set as outer barrel by
Three sections of cylinder sections are connected in series, and the cylinder section for forming outer barrel includes end barrel section in both ends and in intermediate middle part cylinder section,
The material of the end barrel section is magnetic conductive material, and the material of the middle part cylinder section is non-magnetic shape material, it is intended to so that by leading
The magnetic circuit that magnetic material is linked to be passes through the both ends of outer barrel, and will not pass through from the middle part of outer barrel, so that coil windings
After energization, the magnetic flux between first axis cord and the second axial cord is bigger, in this way, magnetic force as described above can be formed
Line, when first axis cord generates relative displacement with the second axial cord, passes through the magnetic line of force so that this programme is at work
The characteristic shunk is attempted, so that between inner cylinder and outer barrel torque can be transmitted with gap.This programme is
Providing one kind specifically can be used as electromagnetic clutch, and contactless between relative movement part during the work time, can avoid
The clutch scheme for fretting wear occur in the course of work and working reliably and with long-term.
Further technical solution are as follows:
As a kind of outer barrel scheme for facilitating manufacture, setting are as follows: the first axis cord is respectively positioned in end barrel section,
And first axis cord is all had in two end barrel sections, the first axle along the circumferential direction of outer barrel, in the cylinder section of both ends
It is in face relationship to cord.I.e. in the present solution, the above main magnetic circuit or the magnetic line of force by the both ends of outer barrel carry out transmitting or
The middle part cylinder section of extension, outer barrel plays linkage function.
For the transmission accuracy for optimizing electromagnetic clutch, setting are as follows: both the outer barrel, inner cylinder are coaxial.
As the above coaxial specific implementation is realized, may be configured as: further include be set to outer barrel and inner cylinder it
Between rolling bearing, the rolling bearing is used to limit the relative position of outer barrel and inner cylinder.Preferably, it is set as inner cylinder
The rolling bearing is all had between respectively holding with outer barrel.
It is moved, is arranged are as follows: the first axle with driving spindle to guarantee that electromagnetic clutch can transmit sufficiently large torque
Maximal clearance width to the gap between cord and the second axial cord is 3mm.As those skilled in the art, the above gap
It realizes the relative position that width can constrain between inner cylinder and outer barrel by using corresponding bearing.
To guarantee that electromagnetic clutch can transmit sufficiently large torque and move with driving spindle, be arranged are as follows: electromagnetic coil with
The maximal clearance width in the gap between outer barrel is 2mm.As those skilled in the art, the above gap width can be by using
It realizes relative position between corresponding bearing constraint inner cylinder and outer barrel.
Ferrite material, martensitic stain less steel etc. can be used in magnetic conductive material；Non-permeable material, can be used it is nonmetallic,
Austenitic stainless steel etc..
The utility model has the following beneficial effects:
In the structure design and material selection of this programme, it is intended to form such as under type as far as possible on inner cylinder and outer barrel
Magnetic circuit or the magnetic line of force: by outer barrel both ends and pass through inner cylinder, and be located across outer barrel by the part of inner cylinder
Between the part at both ends.In this way, due to being respectively included on outer barrel and inner cylinder as first axis cord and the second axial cord
Axial cord, outer barrel and inner cylinder are driven the torque of device application in outer barrel if outer barrel is as power rotor
When rotation, the respectively magnetic line of force distortion between axial cord of outer barrel and inner cylinder is always attempted to shrink using the magnetic line of force, so that
The feature of magnetic resistance minimum allows the outer barrel as power rotor and the inner cylinder as driven rotor on the path that it must be made to pass through
Salient pole center is opposite, at this moment, can be obtained a tangential component act on driven rotor be driven rotor obtain torque, make from
Turn follows power rotor to rotate, and electromagnetic clutch is in the connection status of transmitting torque in the case of this.When the above magnetic line of force
It disappears or magnetic flux becomes smaller, in this case, electromagnetic clutch becomes off-state or is gradually returned to off-state.
The electromagnetic clutch can be connected on when in use in the spindle drive chain of control rod drive mechanism, urgent to realize
Stick is released the control under operating condition, meanwhile, in the above inner cylinder and outer barrel transmitting torque scheme, distorts and complete by the magnetic line of force, therefore
The above electromagnetic clutch is a kind of contactless electromagnetic clutch, in this way, may make in the electromagnetic clutch course of work without abrasion,
So that electromagnetic clutch has the characteristics that long service life, reliable performance.
Detailed description of the invention
Fig. 1 is a kind of one specific embodiment of electromagnetic clutch for safe rod drive mechanism described in the utility model
Cross-sectional view；
Fig. 2 is the partial enlarged view of A portion shown in Fig. 1, wherein the dotted line of B instruction indicates needed for electromagnetic clutch work
The magnetic line of force transmission path wanted；
Fig. 3 is a kind of one specific embodiment of electromagnetic clutch for safe rod drive mechanism described in the utility model
Partial schematic diagram, the partial schematic diagram be side view, for reflecting the structure and matching relationship of outer barrel and inner cylinder；
Fig. 4 is a kind of one specific embodiment of electromagnetic clutch for safe rod drive mechanism described in the utility model
Partial schematic diagram, which is used to reflect the magnetic line of force between first axis cord and the second axial cord, B instruction
Lines be the magnetic line of force between both of the above.
Appended drawing reference in figure is successively are as follows: 1, coil body, 11, end plate, 12, coil windings, 13, outer skeleton, 14, in-seam
Frame, 2, outer barrel, 21, end barrel section, 22, middle part cylinder section, 3, inner cylinder, 4, first axis cord, the 5, second axial cord.
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 shown in Figures 1 to 4, a kind of electromagnetic clutch for safe rod drive mechanism, including outer barrel 2 and inner cylinder
3, the outer barrel 2 is with 3 the two of inner cylinder, and one of them is as power rotor, and another one is as driven rotor, and inner cylinder
In the inner hole of 3 insertion outer barreies 2, a plurality of second axial cord 5, the described second axial rib are additionally provided on the outside of inner cylinder 3
5 annular of item is distributed on inner cylinder 3, and a plurality of first axis cord 4, the first axis are additionally provided on the outside of outer barrel 2
4 annular of cord is distributed on outer barrel 2；
Axial direction of the extending direction of first axis cord 4 along outer barrel 2, the extending direction of the second axial cord 5
Also there is gap along the axial direction of inner cylinder 3, and between the second axial cord 5 and first axis cord 4, the above gap is used
In avoiding inner cylinder 3 from touching during relatively rotating with outer barrel 2；
The material of the inner cylinder 3 and the second axial cord 5 is magnetic conductive material；
The outer barrel 2 is connected in series by three sections of cylinder sections, and the cylinder section of composition outer barrel 2 includes the end barrel section in both ends
21 and in intermediate middle part cylinder section 22, the material of the end barrel section 21 is magnetic conductive material, the material of the middle part cylinder section 22
Matter is non-magnetic shape material.
In the structure design and material selection of this programme, it is intended to form such as lower section as far as possible on inner cylinder 3 and outer barrel 2
The magnetic circuit or the magnetic line of force of formula: it by the both ends of outer barrel 2 and by inner cylinder 3, and is located across by the part of inner cylinder 3
Between the part at 2 both ends of outer barrel.In this way, due to being respectively included on outer barrel 2 and inner cylinder 3 as first axis cord 4 and
The axial cord of two axial cords 5, outer barrel 2 and inner cylinder 3 are driven if outer barrel 2 is used as power rotor in outer barrel 2
When moving the torque rotation that device applies, the magnetic line of force between outer barrel 2 and the respective axial cord of inner cylinder 3 is distorted, and utilizes magnetic force
Line always attempts to shrink, so that feature of magnetic resistance minimum allows 2 He of outer barrel as power rotor on the path for passing through it
3 salient pole center of inner cylinder as driven rotor is opposite, at this moment, can be obtained a tangential component and acts on driven rotor and be
Driven rotor obtains torque, makes driven rotor that power rotor be followed to rotate, and electromagnetic clutch is in transmitting torque in the case of this
Connection status.When the above magnetic force heading line off or magnetic flux become smaller, in this case, electromagnetic clutch becomes off-state or gradually returns
To off-state.
The electromagnetic clutch can be connected on when in use in the spindle drive chain of control rod drive mechanism, urgent to realize
Stick is released the control under operating condition, meanwhile, the above inner cylinder 3 transmits in torque scheme with outer barrel 2, and it distorts and completes by the magnetic line of force,
Therefore the above electromagnetic clutch is a kind of contactless electromagnetic clutch, in this way, may make in the electromagnetic clutch course of work without mill
Damage, so that electromagnetic clutch has the characteristics that long service life, reliable performance.
Specifically, generating the magnetic circuit, tool since electromagnetic clutch needs its working condition of solenoid controlled for matching
The electromagnetic coil of body may be configured as: including coil body 1, the coil body 1 includes coil rack and coil windings 12, described
Coil rack includes tubular inner frame 14 and outer skeleton 13, further includes end plate 11, the inner frame 14, outer skeleton 13, end
Plate 11 surrounds annular space, and the coil windings 12 are installed in the annular space, the material of the outer skeleton 13 and end plate 11
Matter is magnetic conductive material, and 14 overall material of inner frame is non-permeable material or local material is non-permeable material；
It is the part of non-permeable material is cylinder section when the local material of inner frame 14 is non-permeable material, and described
Cylinder section is connected between the both ends of inner frame 14.In above scheme, the form of inner frame 14 is intended to so that coil rack
On do not generate closed magnetic circuit and avoid that sufficiently large torque cannot be transmitted between inner cylinder 3 and outer barrel 2, as a kind of convenience
The technical solution that inner frame 14 is processed, setting are as follows: the inner frame 14 generally non-permeable material, 14 left end court of inner frame
The projection of side end panel 11 to the left is fallen within 11 edge of end plate of left side, and the projection of inner frame 14 right end towards right side end plate 11 is fallen
Within 11 edge of right side end plate.
To enable coil rack to close the annular space to protect coil windings 12, it is arranged are as follows: the annular is empty
Between be airtight cavity.
As a kind of Redundancy Design, to guarantee the reliability of electromagnetic clutch work, setting are as follows: the coil windings 12 are
It is multiple, and each coil windings 12 can work independently.Using this programme, when the work of single coil winding 12 cannot make electromagnetism from
Clutch can transmit enough torques or when single coil winding 12 cannot work, can by the coil windings 12 of switch operating or
So that multiple coil windings 12 work together the reliability for guaranteeing electromagnetic clutch work.
In the specific implementation, in the generally non-permeable material material of inner frame 14, the end plate 11 is towards outer
The projection of cylinder 2 is fallen in end barrel section 21, and end plate 11 and outer barrel section correspond；
It is described to state the part of inner frame 14 be non-permeable material material when, be its of the cylinder section two sides of non-permeable material
The projection of his cylinder section towards outer barrel 2 is fallen in end barrel section 21, and other described sections and outer barrel section correspond.Specifically
, may be configured as: inner cylinder 3 is set on main shaft, and the key for transmitting torque is arranged therebetween, and outer barrel 2 passes through
Bearing is mounted on inner cylinder 3 or main shaft, and the coil rack of electromagnetic coil is directly anchored to the outer housing of control rod drive mechanism
On, while bearing is set between outer barrel 2 on the inside of coil rack, in this way, electromagnetic coil, inner cylinder 3, outer cylinder can be limited
Position between 2 three of body.Restriction to the axial cord 5 of the above inner cylinder 3, second, 2 structure of outer barrel and material, is such as arranged
It is connected in series for the outer barrel 2 by three sections of cylinder sections, the cylinder section of composition outer barrel 2 includes end barrel section 21 and place in both ends
In intermediate middle part cylinder section 22, the material of the end barrel section 21 is magnetic conductive material, and the material of the middle part cylinder section 22 is non-
Magnetic conduction shape material, it is intended to so that passing through the both ends of outer barrel 2 by the magnetic circuit that magnetic conductive material is linked to be, and will not be from outer barrel 2
Middle part is passed through, so that the magnetic flux between first axis cord 4 and the second axial cord 5 is more after coil windings 12 are powered
Greatly, in this way, the magnetic line of force as described above can be formed, so that this programme is at work, it is axial in first axis cord 4 and second
When cord 5 generates relative displacement, the characteristic shunk is attempted by the magnetic line of force, so that can have between inner cylinder 3 and outer barrel 2
Torque is transmitted in the case where having gap.This programme, which provides one kind, specifically can be used as electromagnetic clutch, and in the course of work
It is contactless between middle relative movement part, it can avoid fretting wear occur and the clutch side that works reliably and with long-term in the course of work
Case.
Embodiment 2:
As shown in Figures 1 to 4, the present embodiment is further qualified on the basis of embodiment 1: facilitating manufacture as a kind of
2 scheme of outer barrel, setting are as follows: the first axis cord 4 is respectively positioned in end barrel section 21, and in two end barrel sections 21
With first axis cord 4, along the circumferential direction of outer barrel 2, the first axis cord 4 in the cylinder section 21 of both ends is closed in face
System.I.e. in the present solution, the above main magnetic circuit or the magnetic line of force are transmitted or extended by the both ends of outer barrel 2, outer cylinder
The middle part cylinder section 22 of body 2 plays linkage function.
For the transmission accuracy for optimizing electromagnetic clutch, setting are as follows: both the outer barrel 2, inner cylinder 3 are coaxial.
As the above coaxial specific implementation is realized, it may be configured as: further including being set to outer barrel 2 and inner cylinder 3
Between rolling bearing, the rolling bearing is used to limit the relative position of outer barrel 2 Yu inner cylinder 3.Preferably, in being set as
Cylinder 3 and outer barrel 2 all have the rolling bearing between respectively holding.
It is moved, is arranged are as follows: the first axle with driving spindle to guarantee that electromagnetic clutch can transmit sufficiently large torque
Maximal clearance width to the gap between cord 4 and the second axial cord 5 is 3mm.As those skilled in the art, above
It realizes the relative position that gap width can constrain between inner cylinder 3 and outer barrel 2 by using corresponding bearing.
To guarantee that electromagnetic clutch can transmit sufficiently large torque and move with driving spindle, be arranged are as follows: electromagnetic coil with
The maximal clearance width in the gap between outer barrel 2 is 2mm.As those skilled in the art, the above gap width can be by adopting
The relative position between inner cylinder 3 and outer barrel 2 is constrained with corresponding bearing to realize.
Ferrite material, martensitic stain less steel etc. can be used in magnetic conductive material；Non-permeable material, can be used it is nonmetallic,
Austenitic stainless steel etc..
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 (5)
1. a kind of electromagnetic clutch for safe rod drive mechanism, including outer barrel (2) and inner cylinder (3), the outer barrel
(2) and in inner cylinder (3) the two, one of them is as power rotor, and another one is as driven rotor, and inner cylinder (3) is embedded in
In the inner hole of outer barrel (2), which is characterized in that be additionally provided with a plurality of second axial cord (5), institute on the outside of inner cylinder (3)
It states second axial cord (5) annular to be distributed on inner cylinder (3), is additionally provided with a plurality of first axis on the outside of outer barrel (2)
Cord (4), first axis cord (4) annular are distributed on outer barrel (2)；
Axial direction of the extending direction of first axis cord (4) along outer barrel (2), the extension side of the second axial cord (5)
Also there is gap to the axial direction along inner cylinder (3), and between the second axial cord (5) and first axis cord (4), with
Upper gap is for avoiding inner cylinder (3) from touching during relatively rotating with outer barrel (2)；
The material of the inner cylinder (3) and the second axial cord (5) is magnetic conductive material；
The outer barrel (2) is connected in series by three sections of cylinder sections, and the cylinder section of composition outer barrel (2) includes the end barrel section in both ends
(21) and in intermediate middle part cylinder section (22), the material of the end barrel section (21) is magnetic conductive material, the middle part cylinder section
(22) material is non-magnetic shape material.
2. a kind of electromagnetic clutch for safe rod drive mechanism according to claim 1, which is characterized in that described
One axial cord (4) is respectively positioned on end barrel section (21), and all has first axis cord (4) on two end barrel sections (21),
Along the circumferential direction of outer barrel (2), the first axis cord (4) in both ends cylinder section (21) is in face relationship.
3. a kind of electromagnetic clutch for safe rod drive mechanism according to claim 1, which is characterized in that described outer
Both cylinder (2), inner cylinder (3) are coaxial.
4. a kind of electromagnetic clutch for safe rod drive mechanism according to claim 3, which is characterized in that further include
The rolling bearing being set between outer barrel (2) and inner cylinder (3), the rolling bearing is for limiting outer barrel (2) and inner cylinder
The relative position of body (3).
5. a kind of electromagnetic clutch for safe rod drive mechanism according to claim 1, which is characterized in that described
The maximal clearance width in the gap between one axial cord (4) and the second axial cord (5) is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394864.4U CN209419467U (en) | 2019-03-26 | 2019-03-26 | A kind of electromagnetic clutch for safe rod drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394864.4U CN209419467U (en) | 2019-03-26 | 2019-03-26 | A kind of electromagnetic clutch for safe rod drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209419467U true CN209419467U (en) | 2019-09-20 |
Family
ID=67945687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920394864.4U Active CN209419467U (en) | 2019-03-26 | 2019-03-26 | A kind of electromagnetic clutch for safe rod drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209419467U (en) |
-
2019
- 2019-03-26 CN CN201920394864.4U patent/CN209419467U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Fulei Inventor after: Xia Fan Inventor after: Jin Fenglei Inventor after: Chen Shuming Inventor after: Wang Mingzheng Inventor after: Yang Kongli Inventor after: Liu Tao Inventor after: Huang Chaohui Inventor after: Wei Jing Inventor before: Liu Tao Inventor before: Huang Chaohui Inventor before: Wei Jing |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210113 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. |
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| TR01 | Transfer of patent right |