CN206331797U - A kind of nuclear reactor center graphite column more changing device - Google Patents
A kind of nuclear reactor center graphite column more changing device Download PDFInfo
- Publication number
- CN206331797U CN206331797U CN201621398751.4U CN201621398751U CN206331797U CN 206331797 U CN206331797 U CN 206331797U CN 201621398751 U CN201621398751 U CN 201621398751U CN 206331797 U CN206331797 U CN 206331797U
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- China
- Prior art keywords
- handgrip
- nuclear reactor
- gear
- changing device
- platform
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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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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
A kind of nuclear reactor center graphite column more changing device, including：Elevating mechanism, the rotary drive mechanism and handgrip components mechanism being coupled to each other by platform and shaft configurations, elevating mechanism driving handgrip components mechanism is vertically movable, rotary drive mechanism, which drives, captures one group of corresponding handgrip of hole in the graphite components of fixed and arranged You Yu centers in handgrip components mechanism rotary motion, handgrip components mechanism main body.More changing device described in the utility model can be engaged by rotary motion in the horizontal direction and overall slow elevating movement carry out grasping movement be accurately positioned work, to be convenient for changing the center graphite column of nuclear reactor, and then nuclear reactor is fully used, extend the bulk life time of nuclear reactor.
Description
Technical field
The utility model belongs to nuclear equipment technical field, is used for cardiolith in being captured in nuclear reactor heap more particularly, to one kind
Black column assembly such as is rotated, lifted at being accurately positioned and grabbing device for displacement process.
Background technology
The service life of reactor core about 60 years, and the service life of center graphite column only has 40 years or so, if therefore
Extend nuclear reactor whole service life and be accomplished by periodic replacement center graphite column, and grabbed at present in nuclear reactor center graphite
The design of mechanism is taken, there is design complexity, the problems such as manufacturing price is expensive, and the equipment requirement used in nuclear reactor all needs
Will very high reliability and security, therefore, considering problem above and feature has carried out structure design of the present utility model.
The content of the invention
The purpose of this utility model is to provide a kind of safe and reliable mechanical device, and its function was changed in graphite column
Cheng Zhong, can be accurately positioned and capture center graphite by slowly adjusting the velocity of displacement of rotating driving device and elevating mechanism
Column assembly, it is ensured that it captures the security of process, the utility model improves the whole of nuclear reactor by more switching center9's graphite column
Body life time.
In view of this, the utility model is directed to a kind of nuclear reactor center graphite column more changing device, to be convenient for changing
The center graphite column of nuclear reactor, and then the nuclear reactor heart is fully utilized, extend the bulk life time of reactor.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of nuclear reactor center graphite column more changing device, including：Elevating mechanism, is mutually interconnected by platform and shaft configurations
The rotary drive mechanism and handgrip components mechanism connect, constitutes overall, elevating mechanism driving handgrip components mechanism vertical motion, rotation
Drive mechanism is driven in handgrip components mechanism rotary motion, handgrip components mechanism main body in the graphite components of fixed and arranged You Yu centers
Capture one group of corresponding handgrip of hole；
Further, elevating mechanism includes：Reductor, lifting motor and the flat surface of circular platform is fixed on close to middle part
The gear housing of position, elevating mechanism is driven by lifting motor, drives the first worm screw to rotate by driving gear and driven gear,
Again by first the first main axis of worm-gear driven, the first main shaft is connected on the reductor at platform two ends, the first main shaft and snail
Wheel is located at box house, and reductor can pass through transmission with the movement velocity of the whole driving mechanism of precise control and displacement, reductor
Axle drive gear wheel links little gear in the tooth bar scroll-up/down being fixed on sleeve, so that whole circular platform is erected on sleeve
Straight motion；
Further, several uniform sliding blocks of flat surface edge, and being slided on the line slideway that sliding block can be on sleeve
For support platform；
Further, rotary drive mechanism is fixed on the center of platform, and rotary drive mechanism is driven by electric rotating machine, leads to
Second the second worm gear wheel of worm drive is crossed, the second worm gear drives its second worm-wheel shaft to rotate, passes through first gear and the second tooth
The second main axis of linkage rotation drive mechanism is taken turns, the second main shaft of rotary drive mechanism passes vertically through the center of platform,
The lower end of second main shaft is connected with the connecting bushing of handgrip components mechanism, the rotation fortune of driving handgrip components mechanism in the horizontal plane
It is dynamic；
Further, each handgrip include electromagnet, guide rod, for guide rod slide linear bearing, leader casing, for even
Some groups of bearing pins, hook pawl seat and a pair of the hook pawls with bearing pin hinge joint on pawl seat is hooked connect, electromagnetism is controlled by electric-controlled switch
The polarity of iron, the repulsion or attraction of electromagnet make it that guide rod is moved up and down in leader casing, and guide rod is extremely descended and pole in leader casing
Upper two kinds of positions have corresponded to the relieving state and retracted state for hooking pawl respectively；
Further, camera, and point of the handgrip on handgrip components mechanism are configured with the handgrip of handgrip components mechanism
Cloth design attitude is supporting corresponding with the position in the crawl hole of center graphite components；
Center graphite column changes the crawl and lifting that mechanism mainly realizes center graphite components, in crawl center graphite components
When, handgrip is moved downward by elevating mechanism drive handgrip components mechanism, is approached when handgrip is moved to center graphite components
Afterwards, by rotary drive mechanism drive handgrip mechanism, rotary fine adjustment makes the crawl hole pair of handgrip and center graphite components in the horizontal direction
Standard, then mechanism is integrally slowly moved downward certain distance, allow handgrip to enter graphite components and capture hole, when cardiolith in handgrip arrival
Behind the bottom in ink assembly crawl hole, control electromagnet to decontrol handgrip by proximity switch, realize the crawl work of center graphite components
Make, graphite components crawl after, then by elevating mechanism make the tooth bar of grasping mechanism and graphite components along sleeve vertical rail delay
Slow motion upwards, realizes the lifting of graphite components.
Relative to prior art, nuclear reactor center described in the utility model graphite column more changing device has following excellent
Gesture：
More changing device described in the utility model can adapt to nuclear reactor environmental condition and realize change platform entirety
Slow and stable elevating movement, it is real by rotary motion in the horizontal direction disposably by handgrip with capturing hole precise positioning
Now to the quick-replaceable of nuclear reactor center graphite column, and then the nuclear reactor heart is fully utilized, extend nuclear reactor
Bulk life time.
Brief description of the drawings
Constitute a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Brief description of the drawings
Fig. 1 is the elevating mechanism and platform general assembly drawing described in the utility model embodiment；
Fig. 2 is the broken section enlarged drawing of Fig. 1 general assembly drawing；
Fig. 3 is the elevating mechanism and platform front view described in the utility model embodiment；
Fig. 4 is the elevating mechanism and platform top view described in the utility model embodiment；
Fig. 5 is partial sectional view at the elevating mechanism and platform W-W in Fig. 4；
Fig. 6 is the rotating actuator sectional view described in the utility model embodiment；
Fig. 7 is sectional view at the V-V shown in Fig. 6；
Fig. 8 is the handgrip mechanism and view described in the utility model embodiment；
Fig. 9 is the handgrip mechanism assembling schematic diagram described in the utility model embodiment.
Description of reference numerals：
A- elevating mechanisms；B- platforms；C- rotary drive mechanisms；D- handgrip components mechanisms；1- reductors；2- gear housings；
3- flat surfaces；4- sleeves；5- lifting motors；6- driving gears；7- driven gears；The worm screws of 8- first；The main shafts of 9- first；10-
One worm gear；11- transmission axles；12- gear wheels；13- little gears；14- tooth bars；15- sliding blocks；16- line slideways；17- electric rotating machines；
The worm screws of 18- second；The worm gears of 19- second；The worm-wheel shafts of 20- second；21- first gears；22- second gears；The main shafts of 23- second；24-
Connecting bushing；25- handgrips；26- electromagnet；27- guide rods；28- linear bearings；29- leader casings；30- bearing pins；31- hooks pawl seat；
32- hooks pawl.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, 2, a kind of nuclear reactor center graphite column more changing device, including：Elevating mechanism A, rotary driving machine
Structure C and handgrip components mechanism D are coupled to each other by platform B and shaft configurations, constitute overall, elevating mechanism A driving handgrip components
Mechanism D is vertically movable, rotary drive mechanism C driving handgrip components mechanism D rotary motions；
As shown in Fig. 3,4,5, elevating mechanism A includes：Reductor 1, lifting motor 5 and the platform for being fixed on circular platform B
Face 3 is close to the gear housing 2 of medium position, and elevating mechanism A drives by lifting motor 5, passes through driving gear 6 and driven gear 7
Drive the first worm screw 8 to rotate, then drive the first main shaft 9 to rotate by the first worm gear 10, the first main shaft 9 is connected on platform two ends
Reductor 1, the first main shaft 9 and the first worm gear 10 be located inside gear housing 2, and reductor 1 can be entirely driven with precise control
The movement velocity of mechanism and displacement, reductor 1 are being fixed on sleeve 4 by the drive gear wheel 12 of transmission axle 11 linkage little gear 13
On the scroll-up/down of tooth bar 14 so that whole circular platform B is vertically movable on sleeve 4；
Uniform four sliding blocks 15 in the edge of flat surface 3, and slided on the line slideway 16 that sliding block 15 can be on sleeve for branch
Support platform B；
As shown in Figure 6,7, rotary drive mechanism C is fixed on platform B center, and rotary drive mechanism C is by electric rotating machine
17 drivings, drive the second worm gear 19 to rotate by the second worm screw 18, and the second worm gear 19 drives its second worm-wheel shaft 20 to rotate, and passes through
First gear 21 and the linkage rotation drive mechanism C of second gear 22 the second main shaft 23 are rotated, rotary drive mechanism C the second master
Axle 23 passes vertically through platform B center, and the lower end of the second main shaft 23 is connected with handgrip components mechanism D connecting bushing 24, drives
The rotary motions of dynamic handgrip components mechanism D in the horizontal plane；
As shown in Figure 8,9, hole is captured in handgrip components mechanism D main bodys in the graphite components of fixed and arranged You Yu centers corresponding
One group of handgrip 25, can adjust handgrip components mechanism D by the second main shaft 23 on rotary drive mechanism C makes handgrip 25 in water
The projected position of plane aligns with the crawl hole in the graphite components of center；
Each handgrip 25 includes electromagnet 26, guide rod 27, the linear bearing 28 slided for guide rod, leader casing 29, is used for
Some groups of bearing pins 30 of connection, hook pawl seat 31, and link a pair of hook pawls 32 on pawl seat 31 is hooked with bearing pin 30, are opened by automatically controlled
Close to control the polarity of electromagnet 26, the repulsion or attraction of electromagnet make it that guide rod 27 is moved up and down in leader casing 29, guide rod
27 it is extremely lower in leader casing 29 and extremely on two kinds of positions corresponded to the relieving state and retracted state for hooking pawl 32 respectively.
Center graphite column changes the crawl and lifting that mechanism mainly realizes center graphite components, in crawl center graphite components
When, move downward handgrip 25 by elevating mechanism A drives handgrip components mechanism D, when handgrip 25 is moved to and center graphite group
Part drives handgrip mechanism after, by rotary drive mechanism C, and rotary fine adjustment makes handgrip 25 and center graphite components in the horizontal direction
The alignment of crawl hole, then mechanism is integrally slowly moved downward certain distance, allow handgrip 25 to enter graphite components and capture hole, when grabbing
Hand 25 is reached behind the bottom in center graphite components crawl hole, controls electromagnet 26 to decontrol handgrip 25 by proximity switch, in realization
The crawl of cardiolith ink assembly, after graphite components crawl, then by elevating mechanism A makes grasping mechanism and graphite components along sleeve 4
The slow motion upwards of the tooth bar 14 of vertical rail, realizes the lifting of graphite components；
Camera is configured with handgrip components mechanism D handgrip 25, camera is not shown, and handgrip 25 is in handgrip
Distribution design attitude on components mechanism D is supporting corresponding with the position in the crawl hole of center graphite components；
So the utility model can be engaged by rotary motion in the horizontal direction and overall slow elevating movement
What progress crawl was moved is accurately positioned work.
The utility model is applied not only in the Renewal process of center graphite column of nuclear reactor, can also be used in other bands
The occasion of hole class material handling.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modifications, equivalent substitutions and improvements made etc. should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of nuclear reactor center graphite column more changing device, including：Elevating mechanism (A), passes through circular platform (B) and axostylus axostyle
Rotary drive mechanism (C) and handgrip components mechanism (D) that structure is coupled to each other, elevating mechanism (A) driving handgrip components mechanism (D)
Vertical motion is done, rotary drive mechanism (C) driving handgrip components mechanism (D) rotates, in handgrip components mechanism (D) main body
Fixed and arranged has handgrip (25).
2. nuclear reactor center according to claim 1 graphite column more changing device, it is characterised in that：Elevating mechanism (A) is wrapped
Include：Reductor (1), lifting motor (5) is fixed on platform (B) flat surface (3), close to the gear housing (2) of medium position,
Elevating mechanism (A) is driven by lifting motor (5), drives the first worm screw (8) to rotate by driving gear (6) and driven gear (7),
The first main shaft (9) is driven to rotate by the first worm gear (10) again, the first main shaft (9) is connected on the reductor (1) at platform two ends,
First main shaft (9) and the first worm gear (10) are located at gear housing (2) inside, and reductor (1) passes through transmission axle (11) and drives canine tooth
(12) linkage little gear (13) is taken turns in tooth bar (14) scroll-up/down being fixed on sleeve (4), so that whole circular platform (B) exists
Sleeve does vertical motion on (4).
3. nuclear reactor center according to claim 1 graphite column more changing device, it is characterised in that：Rotary drive mechanism
(C) platform (B) geometric center is fixed on, rotary drive mechanism (C) is driven by electric rotating machine (17), passed through the second worm screw (18)
Drive the second worm gear (19) to rotate, the second worm gear (19) drives its second worm-wheel shaft (20) to rotate, by first gear (21) and
The second main shaft (23) of second gear (22) linkage rotation drive mechanism (C) is rotated, the second main shaft of rotary drive mechanism (C)
(23) platform (B) geometric center, the lower end of the second main shaft (23) and the connecting bushing of handgrip components mechanism (D) are passed vertically through
(24) it is connected, the rotary motion of driving handgrip components mechanism (D) in the horizontal plane.
4. nuclear reactor center according to claim 1 graphite column more changing device, it is characterised in that：Handgrip (25) includes electricity
Magnet (26), guide rod (27), the linear bearing (28) slided for guide rod (27), leader casing (29), some groups for connection
Bearing pin (30), hooks pawl seat (31), and links a pair of hook pawls (32) on pawl seat (31) is hooked with bearing pin (30), by electric-controlled switch
To control the polarity of electromagnet (26), the repulsion or attraction of electromagnet make it that guide rod (27) is moved up and down in leader casing (29),
Extremely lower and extremely upper two kinds of positions have corresponded to the relieving state of hook pawl (32) and have withdrawn shape guide rod (27) respectively in leader casing (29)
State.
5. nuclear reactor center according to claim 2 graphite column more changing device, it is characterised in that：Flat surface (3) edge
Several uniform sliding blocks (15) of place, and slided on the line slideway (16) that sliding block (15) can be on sleeve (4).
6. nuclear reactor center according to claim 1 graphite column more changing device, it is characterised in that：Handgrip components mechanism
(D) camera is configured with handgrip (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398751.4U CN206331797U (en) | 2016-12-19 | 2016-12-19 | A kind of nuclear reactor center graphite column more changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621398751.4U CN206331797U (en) | 2016-12-19 | 2016-12-19 | A kind of nuclear reactor center graphite column more changing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331797U true CN206331797U (en) | 2017-07-14 |
Family
ID=59290287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621398751.4U Expired - Fee Related CN206331797U (en) | 2016-12-19 | 2016-12-19 | A kind of nuclear reactor center graphite column more changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448771A (en) * | 2016-12-19 | 2017-02-22 | 清华大学天津高端装备研究院 | Center graphite pillar replacing device of nuclear reactor |
| CN107393614A (en) * | 2017-07-31 | 2017-11-24 | 清华大学天津高端装备研究院 | The grasping mechanism of graphite block in a kind of reactor |
-
2016
- 2016-12-19 CN CN201621398751.4U patent/CN206331797U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448771A (en) * | 2016-12-19 | 2017-02-22 | 清华大学天津高端装备研究院 | Center graphite pillar replacing device of nuclear reactor |
| CN106448771B (en) * | 2016-12-19 | 2018-09-21 | 清华大学天津高端装备研究院 | A kind of nuclear reactor center graphite column more changing device |
| CN107393614A (en) * | 2017-07-31 | 2017-11-24 | 清华大学天津高端装备研究院 | The grasping mechanism of graphite block in a kind of reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20211219 |