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CN109378092A - A kind of electromagnet device for driving mechanism of control rod of pool type cryogenic reactor - Google Patents

A kind of electromagnet device for driving mechanism of control rod of pool type cryogenic reactor Download PDF

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Publication number
CN109378092A
CN109378092A CN201811342649.6A CN201811342649A CN109378092A CN 109378092 A CN109378092 A CN 109378092A CN 201811342649 A CN201811342649 A CN 201811342649A CN 109378092 A CN109378092 A CN 109378092A
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CN
China
Prior art keywords
hook
control rod
pool
electromagnetic coil
driving mechanism
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Granted
Application number
CN201811342649.6A
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Chinese (zh)
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CN109378092B (en
Inventor
彭朝晖
郭志家
张金山
柯国土
刘兴民
衣大勇
周寅鹏
陈辉
范月容
石辰蕾
姚成志
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China Institute of Atomic of Energy
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China Institute of Atomic of Energy
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Priority to CN201811342649.6A priority Critical patent/CN109378092B/en
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    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1638—Armatures not entering the winding
    • 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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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Manipulator (AREA)
  • Electromagnets (AREA)

Abstract

The present invention relates to a kind of pool low temperature heap control rod drive mechanism electromagnet apparatus, including electromagnetic coil assembly, magnetic inductive block, hook component, end and mandril；The electromagnetic coil assembly fixed connection opposite with the hook component, the magnetic inductive block fixed connection opposite with the mandril；The electromagnetic coil assembly and the magnetic inductive block cooperate, and drive the mandril to act on the hook component so that the end is caught/unclamped to the hook of the hook component.Beneficial effects of the present invention are as follows: 1, driving hook component to grab end by electromagnetic coil assembly, provide the purpose of big grasp force with small electromagnetic force to realize, prevent the C&P systems in vibration below end from falling, reliable operation；2, realize that electromagnet apparatus is connect with C&P systems automatic centering by guide cylinder；3, by the setting of reset spring, guarantee under power blackout situation, energy Quick release releases the control rod assembly.

Description

A kind of pool low temperature heap control rod drive mechanism electromagnet apparatus
Technical field
The present invention relates to nuclear technology fields, and in particular to a kind of pool low temperature heap control rod drive mechanism electricity consumption magnet cartridge It sets.
Background technique
Control rod drive mechanism is the important equipment for guaranteeing reactor safety, and the performance of control rod drive mechanism directly affects The safety of nuclear reactor, and buckling and locking device is the critical component in pool low temperature heap control rod drive mechanism, it was both and nuclear reaction Heap it is safety-related also and technique of reloading have relationship.
Pool type heating reactor still has the experience used at home, but power is compared with small, control rod drive mechanism quantity is few, control rod The weight of component is also small, therefore required lifting force is also small, if the volume of electromagnet apparatus need to be increased by increasing its lifting force.Reaction Heap reactor core has the characteristics that characteristics of compact layout, and the space for generally leaving control rod drive mechanism for is limited, needs when designing electromagnet apparatus Consider limitation suffered by its size, and requires reliable operation.
The relevant technologies there is no to can satisfy the demand in the prior art.
In view of this, the present invention is specifically proposed.
Summary of the invention
In view of the deficiencies in the prior art, the object of the present invention is to provide a kind of pool low temperature heap control rod driving machines Structure electromagnet apparatus can be realized the function of to provide big grasp force with small electromagnetic force, being grabbed to end.
Technical scheme is as follows:
A kind of pool low temperature heap control rod drive mechanism electromagnet apparatus, including electromagnetic coil assembly, magnetic inductive block, hook Component, end and mandril；The electromagnetic coil assembly fixed connection opposite with the hook component, the magnetic inductive block and the top The relatively fixed connection of bar；The electromagnetic coil assembly and the magnetic inductive block cooperate, and the mandril is driven to act on the hook group Part is so that the end is caught/unclamped to the hook of the hook component.
Further, above-mentioned pool low temperature heap control rod drive mechanism electromagnet apparatus, the hook component include Hook；The hook is connect with the electromagnetic coil assembly by pin shaft and can be rotated around the pin shaft to catch/unclamp institute State end；The top tooth cooperated with the hook to drive the hook rotation is provided on the mandril.
Further, above-mentioned pool low temperature heap control rod drive mechanism electromagnet apparatus is also set up on the mandril There is lower teeth, the lower conical surface with lower teeth cooperation is provided on the hook；Described in when the hook release end Lower teeth resists the lower conical surface to prevent the hook from rotating.
Further, above-mentioned pool low temperature heap control rod drive mechanism electromagnet apparatus, the end of the hook is set It is equipped with the conical surface；When the mandril rises, the top tooth is acted on the upper conical surface to push the hook rotation to catch The end.
Further, above-mentioned pool low temperature heap control rod drive mechanism electromagnet apparatus, further includes outer tube wall；It is described Hook component further includes cylinder；The cylinder is set in outer tube wall and can move along the outer tube wall；It is set on the cylinder Set the centring hole passed through for mandril；The size of the cylinder is matched with the outer tube wall size.
Further, above-mentioned pool low temperature heap control rod drive mechanism electromagnet apparatus is also set up on the cylinder Be conducive to the mobile idler wheel of the cylinder.
Further, above-mentioned pool low temperature heap control rod drive mechanism electromagnet apparatus, the number of rollers are 2-4 It is a, it is uniformly arranged on around the cylinder.
Further, above-mentioned pool low temperature heap control rod drive mechanism electromagnet apparatus, the magnetic inductive block with it is described Reset spring is provided between electromagnetic coil assembly.
Further, above-mentioned pool low temperature heap control rod drive mechanism electromagnet apparatus, the reset spring quantity It is 1-4, is arranged on the central axis or reference circle of the magnetic inductive block.
Further, above-mentioned pool low temperature heap control rod drive mechanism electromagnet apparatus is provided on the end With the catching step of hook component cooperation.
Beneficial effects of the present invention are as follows:
1, it drives hook component to grab end by electromagnetic coil assembly, is provided to realize with small electromagnetic force The purpose of big grasp force prevents the C&P systems in vibration below end from falling, reliable operation；
2, realize that electromagnet apparatus is connect with C&P systems automatic centering by guide cylinder；
3, by the setting of reset spring, guarantee under power blackout situation, energy Quick release releases the control rod assembly.
Detailed description of the invention
Fig. 1 is structural schematic diagram (the crawl shape of pool low temperature heap control rod drive mechanism electromagnet apparatus of the invention State).
Fig. 2 is the structural schematic diagram (open shape of pool low temperature heap control rod drive mechanism electromagnet apparatus of the invention State).
Fig. 3 is the distribution schematic diagram of the idler wheel on cylinder of the invention.
Fig. 4 is the distribution schematic diagram of hook of the invention.
Fig. 5 is the distribution schematic diagram of reset spring of the invention.
In above-mentioned attached drawing, 1, outer tube wall；2, electromagnetic coil assembly；3, reset spring；4, magnetic inductive block；5, idler wheel；6, mandril； 7, end；8, hook；9, cylinder；10, attachment screw；11, cable；12, pin shaft；13, upper cover；14, pin shaft.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As depicted in figs. 1 and 2, the present invention provides a kind of pool low temperature heap control rod drive mechanism electromagnet apparatus, Including electromagnetic coil assembly 2, magnetic inductive block 4, hook component, end 7 and mandril 6；The electromagnetic coil assembly and the hook group The relatively fixed connection of part, the magnetic inductive block 4 and the relatively fixed connection of the mandril 6；The electromagnetic coil assembly 2 and the magnetic conduction Block 4 cooperates, and drives the mandril 6 to act on the hook component so that the end is caught/unclamped to the hook of the hook component First 7.The catching step with hook component cooperation is provided on the end 7.
As shown in Figure 1 and Figure 4, the hook component includes hook 8 and cylinder 9；The hook 8 by pin shaft 12 with it is described Electromagnetic coil assembly 2 is connected and can be rotated around the pin shaft 12 to catch/unclamp the end 7.(in the present embodiment, electromagnetism Coil block 2 is fixedly connected by attachment screw 10 with cylinder 9, and cable 11 stretches out the hook 8 from top and passes through pin shaft 12 It is installed on the cylinder 9.) top cooperated with the hook 8 to drive the hook 8 to rotate is provided on the mandril 6 Tooth.It is additionally provided with lower teeth on the mandril 6, the lower conical surface with lower teeth cooperation is provided on the hook 8；The hook Pawl 8 when unclamping the end 7 lower teeth resist the lower conical surface to prevent the hook 8 from rotating, that is, hook 8 is in such as When opening state shown in Fig. 2, the lower teeth of mandril 6 is bonded with the lower conical surface of hook 8 and limits its reverse rotation, avoids again Equipment damage is caused during crawl control rod.The end of the hook 8 is provided with the conical surface；When the mandril 6 rises, institute Top tooth is stated to act on the upper conical surface to push the rotation of hook 8 to catch the end 7.
The pool low temperature heap control rod drive mechanism electromagnet apparatus of the present embodiment further includes outer tube wall 1；The cylinder 9 It is set in outer tube wall 1 and can be moved along the outer tube wall 1；The centring hole that setting is passed through for mandril 6 on the cylinder 9； The size of the cylinder 9 is matched with 1 size of outer tube wall.The rolling mobile conducive to the cylinder 9 is additionally provided on the cylinder 9 Wheel 5.The number of rollers is 2-4, is uniformly arranged on around the cylinder 9.As shown in figure 3, idler wheel 5 is pacified by pin shaft 14 It fills, is provided with upper cover 13 on cylinder 9.When cylinder 9 is packed into outer tube wall 1 from top by driving mechanism electromagnet apparatus, 5 edge of idler wheel The inner wall of outer tube wall slides, 7 automatic centering of end being connected with C&P systems, when the backstop platform of electromagnet apparatus and end 7 When rank is overlapped, electromagnet apparatus, which is powered, is able to achieve crawl function.The catching step is cooperated to by electromagnet apparatus and end 7 Position, prevents the case where hook 8 fails to grip with end 7.
As shown in figure 5, being provided with reset spring 3 between the magnetic inductive block 4 and the electromagnetic coil assembly 2.The reset 3 quantity of spring is 1-4, is arranged on the central axis or reference circle of the magnetic inductive block 4.
In use, electromagnetic coil assembly 2 is powered, magnetic inductive block 4, which is attracted, to be bonded and resets with 2 lower surface of electromagnetic coil assembly Spring 3 compresses, and drives central ejector rod mobile, and mandril top tooth makes the closure of hook 8 clench end 7, to drive control rod Component moves up and down or is kept fixed position.Electromagnet apparatus electromagnetic coil assembly 2 powers off, effect of the magnetic inductive block 4 in spring force Under be open, so that central ejector rod be driven to move down, the self weight and under the action of mandril lower teeth in end 7, hook 8 opens release control Rod assembly processed.
In the present embodiment, it is not required to external force under power blackout situation and intervenes i.e. openable hook 8, realizes that control rod drive mechanism is fast Fast scram function.Spring works high reliablity, to also improve the reliability of the quick scram function of control rod drive mechanism.
Electromagnet apparatus working environment medium is water, and electric component only has electromagnetic coil, and coil is sealed in electromagnetic assembly In confined space, the external connection of electromagnetic coil only need to be therefrom drawn, the work of coil underwater sealing is reduced.
The present embodiment drives hook component to grab end 7 by electromagnetic coil assembly 2, to realize with small electricity Magnetic force provides the purpose of big grasp force, prevents the C&P systems in vibration below end 7 from falling, reliable operation；Pass through Guide cylinder realizes that electromagnet apparatus can be connect with C&P systems automatic centering；By the setting of reset spring 3, guarantee power-off feelings Under condition, energy Quick release releases the control rod assembly.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.If in this way, belonging to the model of the claims in the present invention and its equivalent technology to these modifications and changes of the present invention Within enclosing, then the present invention is also intended to include these modifications and variations.

Claims (10)

1.一种池式低温堆控制棒驱动机构用电磁铁装置，其特征在于：包括电磁线圈组件(2)、导磁块、钩爪组件、端头(7)和顶杆(6)；所述电磁线圈组件(2)与所述钩爪组件相对固定连接，所述导磁块与所述顶杆(6)相对固定连接；所述电磁线圈组件(2)与所述导磁块配合，带动所述顶杆(6)作用于所述钩爪组件以使所述钩爪组件的钩爪(8)抓住/松开所述端头(7)。1. an electromagnet device for a pool-type low-temperature stack control rod drive mechanism, characterized in that: it comprises an electromagnetic coil assembly (2), a magnetic guide block, a hook assembly, an end head (7) and an ejector rod (6); The electromagnetic coil assembly (2) is relatively fixedly connected to the hook assembly, and the magnetic conductive block is relatively fixedly connected to the ejector rod (6); the electromagnetic coil assembly (2) is matched with the magnetic conductive block, The top rod (6) is driven to act on the hook assembly so that the hook (8) of the hook assembly catches/releases the end head (7). 2.如权利要求1所述的池式低温堆控制棒驱动机构用电磁铁装置，其特征在于：所述钩爪组件包括钩爪(8)；所述钩爪(8)通过销轴(12)与所述电磁线圈组件(2)连接且能够绕所述销轴(12)转动以抓住/松开所述端头(7)；所述顶杆(6)上设置有与所述钩爪(8)配合以驱动所述钩爪(8)转动的上部齿。2 . The electromagnet device for a control rod driving mechanism of a pool-type cryogenic reactor according to claim 1 , wherein the hook assembly comprises a hook (8); the hook (8) passes through a pin shaft (12). 3 . ) is connected with the electromagnetic coil assembly (2) and can be rotated around the pin shaft (12) to catch/release the end head (7); the top rod (6) is provided with the hook The pawls (8) cooperate to drive the upper teeth of the pawls (8) in rotation. 3.如权利要求2所述的池式低温堆控制棒驱动机构用电磁铁装置，其特征在于：所述顶杆(6)上还设置有下部齿，所述钩爪(8)上设置有与所述下部齿配合的下锥面；所述钩爪(8)松开所述端头(7)时所述下部齿抵住所述下锥面以防止所述钩爪(8)转动。3. The electromagnet device for a pool-type cryogenic reactor control rod driving mechanism according to claim 2, characterized in that: the ejector rod (6) is also provided with lower teeth, and the hook (8) is provided with A lower conical surface matched with the lower teeth; when the hook (8) releases the end head (7), the lower teeth abut against the lower conical surface to prevent the hook (8) from rotating. 4.如权利要求2所述的池式低温堆控制棒驱动机构用电磁铁装置，其特征在于：所述钩爪(8)的端部设置有上锥面；所述顶杆(6)上升时，所述上部齿作用于所述上锥面上以推动所述钩爪(8)转动抓住所述端头(7)。4. The electromagnet device for a control rod driving mechanism of a pool-type cryogenic reactor according to claim 2, characterized in that: the end of the hook (8) is provided with an upper tapered surface; the ejector rod (6) rises When the upper teeth act on the upper conical surface to push the hooks (8) to rotate and grab the end head (7). 5.如权利要求2所述的池式低温堆控制棒驱动机构用电磁铁装置，其特征在于：还包括外筒壁(1)；所述钩爪组件还包括筒体(9)；所述筒体(9)设置于外筒壁(1)内且能够沿所述外筒壁(1)移动；所述筒体(9)上设置用于顶杆(6)穿过的对中孔；所述筒体(9)的尺寸与所述外筒壁(1)尺寸匹配。5. The electromagnet device for a control rod driving mechanism of a pool-type cryogenic reactor according to claim 2, characterized in that: it further comprises an outer cylinder wall (1); the hook assembly further comprises a cylinder body (9); the The cylinder body (9) is arranged in the outer cylinder wall (1) and can move along the outer cylinder wall (1); the cylinder body (9) is provided with a centering hole for the ejector rod (6) to pass through; The size of the cylinder body (9) matches the size of the outer cylinder wall (1). 6.如权利要求5所述的池式低温堆控制棒驱动机构用电磁铁装置，其特征在于：所述筒体(9)上还设置有利于所述筒体(9)移动的滚轮(5)。6. The electromagnet device for a pool-type cryogenic reactor control rod driving mechanism according to claim 5, characterized in that: the cylinder (9) is also provided with a roller (5) that is conducive to the movement of the cylinder (9). ). 7.如权利要求6所述的池式低温堆控制棒驱动机构用电磁铁装置，其特征在于：所述滚轮数量为2-4个，均匀设置在所述筒体(9)周围。7 . The electromagnet device for a control rod driving mechanism of a pool-type cryogenic reactor according to claim 6 , wherein the number of the rollers is 2-4, which are evenly arranged around the cylinder (9). 8 . 8.如权利要求1-7任一所述的池式低温堆控制棒驱动机构用电磁铁装置，其特征在于：所述导磁块(4)与所述电磁线圈组件(2)之间设置有复位弹簧(3)。8. The electromagnet device for a pool-type cryogenic stack control rod driving mechanism according to any one of claims 1-7, characterized in that: the magnetic conductive block (4) and the electromagnetic coil assembly (2) are arranged between the There is a return spring (3). 9.如权利要求8所述的池式低温堆控制棒驱动机构用电磁铁装置，其特征在于：所述复位弹簧(3)数量为1-4个，设置在所述导磁块(4)的中心轴线或分度圆上。9. The electromagnet device for a control rod driving mechanism of a pool-type cryogenic reactor according to claim 8, wherein the number of the return springs (3) is 1-4, which are arranged on the magnetic conductive block (4) on the central axis or indexing circle. 10.如权利要求1-7任一所述的池式低温堆控制棒驱动机构用电磁铁装置，其特征在于：所述端头(7)上设置有与所述钩爪组件配合的止挡台阶。10. The electromagnet device for a pool-type cryogenic reactor control rod driving mechanism according to any one of claims 1-7, wherein the end head (7) is provided with a stopper that cooperates with the hook assembly steps.
CN201811342649.6A 2018-11-12 2018-11-12 An electromagnet device for a control rod drive mechanism of a pool-type low-temperature reactor Active CN109378092B (en)

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GB1133300A (en) * 1966-12-14 1968-11-13 Commissariat Energie Atomique Axial-mechanism control rod actuator
JPH06281778A (en) * 1993-02-04 1994-10-07 Mitsubishi Heavy Ind Ltd Control rod aligning device of hydraulic-drive control rod drive device
JPH06235786A (en) * 1993-02-10 1994-08-23 Toshiba Corp Nuclear reactor shut down apparatus
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CN108231217A (en) * 2018-01-23 2018-06-29 上海第机床厂有限公司 Presurized water reactor control rod drive mechanism and its assembly method
CN209216598U (en) * 2018-11-12 2019-08-06 中国原子能科学研究院 An electromagnet device for a pool-type cryogenic reactor control rod drive mechanism

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