CN106448771A - Center graphite pillar replacing device of nuclear reactor - Google Patents

Center graphite pillar replacing device of nuclear reactor Download PDF

Info

Publication number
CN106448771A
CN106448771A CN201611179172.5A CN201611179172A CN106448771A CN 106448771 A CN106448771 A CN 106448771A CN 201611179172 A CN201611179172 A CN 201611179172A CN 106448771 A CN106448771 A CN 106448771A
Authority
CN
China
Prior art keywords
handgrip
nuclear reactor
gear
platform
main shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611179172.5A
Other languages
Chinese (zh)
Other versions
CN106448771B (en
Inventor
盛选禹
成昱旻
徐雅晨
王亮君
王鑫磊
葛云贵
殷世聪
张志擎
刘传
孙嘉琦
邵荣
郭豹
孔文文
凌晨
尹娇妹
艾雪松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Institute of Advanced Equipment of Tsinghua University
Original Assignee
Tianjin Institute of Advanced Equipment of Tsinghua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Institute of Advanced Equipment of Tsinghua University filed Critical Tianjin Institute of Advanced Equipment of Tsinghua University
Priority to CN201611179172.5A priority Critical patent/CN106448771B/en
Publication of CN106448771A publication Critical patent/CN106448771A/en
Application granted granted Critical
Publication of CN106448771B publication Critical patent/CN106448771B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C19/00Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G21C19/34Apparatus or processes for dismantling nuclear fuel, e.g. before reprocessing ; Apparatus or processes for dismantling strings of spent fuel elements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

The invention discloses a center graphite pillar replacing device of nuclear reactor, comprising a lifting mechanism, a rotation driving mechanism and a grasp component mechanism which are linked to each other through a platform and an axial rod; the lifting mechanism drives the grasp component mechanism to vertically move, and the rotation driving mechanism drives the grasp component mechanism to rotate and move; a group of grasp corresponding to a grasp hole on the center graphite component is fixedly arranged on the main body of the grasp component mechanism. The replacing device can accurately position the grasp action through cooperation of rotation movement on horizontal direction and overall slow lifting movement, so as to conveniently replace the center graphite pillar of the reactor, and further fully use the nuclear reactor and prolong the overall service lie of the nuclear reactor.

Description

A kind of nuclear reactor center graphite column more changing device
Technical field
The invention belongs to nuclear equipment technical field, especially relate to one kind for crawl center graphite column in nuclear reactor heap Assembly such as carries out rotating, is lifted at being accurately positioned and grabbing device of displacement process.
Background technology
The service life of nuclear reactor about 60 years, and the service life of center graphite column only has 40 years about, therefore It is accomplished by periodic replacement center graphite column to extend nuclear reactor whole service life, and at present in nuclear reactor center graphite The design of post grasping mechanism, has the problems such as design is complicated, and manufacturing price is expensive, and the equipment requirements using in nuclear reactor It is required for very high reliability and safety, for this reason, considering problem above and feature has carried out the structure design of the present invention.
Content of the invention
It is an object of the invention to provide a kind of safe and reliable machinery, its function is in graphite column Renewal process In, can be accurately positioned and capture center graphite column by the slow velocity of displacement adjusting rotating driving device and elevating mechanism It is ensured that it captures the safety of process, the present invention improves the bulk life time of nuclear reactor by more switching center9's graphite column to assembly.
In view of this, it is contemplated that proposing a kind of nuclear reactor center graphite column more changing device, anti-to be convenient for changing core Answer the center graphite column of heap, and then so that the nuclear reactor heart is fully utilized, extend the bulk life time of nuclear reactor.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of nuclear reactor center graphite column more changing device, including:Elevating mechanism, by platform and the interconnection of shaft configurations phase The rotary drive mechanism connecing and handgrip components mechanism, constitute overall, and elevating mechanism drives handgrip components mechanism vertically movable, rotation Drive mechanism drives handgrip components mechanism rotary motion, in fixed and arranged You Yu center graphite components in handgrip components mechanism main body One group of corresponding handgrip of crawl hole;
Further, elevating mechanism includes:Reductor, lifting motor and be fixed on the flat surface of circular platform 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, Pass through first worm-gear driven the first main axis again, 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 be with the movement velocity of the whole driving mechanism of precise control and displacement, and reductor passes through transmission Axle drive gear wheel linkage tooth bar scroll-up/down on being fixed on sleeve for the little gear, so that whole circular platform is perpendicular on sleeve Straight motion;
Further, flat surface edge several slide blocks uniform, and slide block can slide on the line slideway 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 Cross second worm drive the second worm gear wheel, the second worm gear drives its second worm-wheel shaft to rotate, by first gear and the second tooth Second main axis of wheel linkage rotation drive mechanism, the second main shaft of rotary drive mechanism passes vertically through the center of platform, The lower end of the second main shaft is connected with the connecting bushing of handgrip components mechanism, drives handgrip components mechanism rotation fortune in the horizontal plane Dynamic;
Further, each handgrip includes electric magnet, guide rod, the linear bearing for guide rod slip, leader casing, is used for even Some groups of bearing pins, hook pawl seat and a pair of the hook pawl in hook pawl seat with bearing pin hinge joint connecing, to control electromagnetism by electric-controlled switch The polarity of ferrum, the repulsion of electric magnet or attraction make guide rod move up and down in leader casing, guide rod extremely lower and pole in leader casing Upper two kinds of positions have corresponded to relieving state and the retracted state hooking pawl respectively;
Further, the handgrip of handgrip components mechanism is configured with photographic head, and handgrip on handgrip components mechanism point Cloth design attitude is supporting corresponding with the position in the crawl hole of center graphite components;
Center graphite column changes crawl and the lifting that mechanism mainly realizes center graphite components, in crawl center graphite components When, by elevating mechanism drive handgrip components mechanism so that handgrip is moved downward, when handgrip move to close with center graphite components Afterwards, rotary fine adjustment makes the crawl hole pair of handgrip and center graphite components in the horizontal direction to drive handgrip mechanism by rotary drive mechanism Standard, Zai Shi mechanism integrally slowly moves downward certain distance, allows handgrip enter graphite components crawl hole, cardiolith in handgrip reaches After ink assembly captures the bottom in hole, control electric magnet to decontrol handgrip by proximity switch, realize the crawl work of center graphite components Make, after graphite components crawl, then make grasping mechanism and graphite components slow along the tooth bar of sleeve vertical rail by elevating mechanism Slowly move upwards, realize the lifting of graphite components.
With respect to prior art, nuclear reactor center of the present invention graphite column more changing device has the advantage that:
More changing device of the present invention can adapt to nuclear reactor environmental condition and realizes changing the slow of platform entirety And smoothly elevating movement, by rotary motion in the horizontal direction disposably by handgrip and crawl hole precise positioning, it is right to realize The quick-replaceable of nuclear reactor center graphite column, and then so that the nuclear reactor heart is fully utilized, extend the whole of nuclear reactor Body life time.
Brief description
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings:
Brief description
Fig. 1 is the elevating mechanism and platform general assembly drawing described in the embodiment of the present invention;
Fig. 2 is the broken section enlarged drawing of the general assembly drawing of Fig. 1;
Fig. 3 is the elevating mechanism and platform front view described in the embodiment of the present invention;
Fig. 4 is the elevating mechanism and platform top view described in the embodiment of the present invention;
Fig. 5 is partial sectional view at the elevating mechanism in Fig. 4 and platform W-W;
Fig. 6 is the rotating actuator sectional view described in the embodiment of the present invention;
Fig. 7 is sectional view at the V-V shown in Fig. 6;
Fig. 8 is the handgrip mechanism and view described in the embodiment of the present invention;
Fig. 9 is the handgrip mechanism assembling schematic diagram described in the embodiment of the present invention.
Description of reference numerals:
A- elevating mechanism;B- platform;C- rotary drive mechanism;D- handgrip components mechanism;1- reductor;2- gear housing; 3- flat surface;4- sleeve;5- lifting motor;6- driving gear;7- driven gear;8- first worm screw;9- first main shaft;10- One worm gear;11- transmission axle;12- gear wheel;13- little gear;14- tooth bar;15- slide block;16- line slideway;17- electric rotating machine; 18- second worm screw;19- second worm gear;20- second worm-wheel shaft;21- first gear;22- second gear;23- second main shaft;24- Connecting bushing;25- handgrip;26- electric magnet;27- guide rod;28- linear bearing;29- leader casing;30- bearing pin;31- hooks pawl seat; 32- hooks pawl.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases Mutually combine.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score, The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark Show the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right The restriction of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or hint phase To importance or the implicit quantity indicating indicated technical characteristic.Thus, the feature defining " first ", " second " etc. can To express or to implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple " It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected;Can To be to be mechanically connected or electrical connection;Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
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 is interconnected by platform B and shaft configurations, constitutes overall, elevating mechanism A drives handgrip assembly Mechanism D is vertically movable, and rotary drive mechanism C drives handgrip components mechanism D rotary motion;
As shown in Fig. 3,4,5, elevating mechanism A includes:Reductor 1, lifting motor 5 and the platform being fixed on circular platform B Face 3 is driven by lifting motor 5 close to the gear housing 2 of medium position, elevating mechanism A, by 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 entirely can be driven with precise control The movement velocity of mechanism and displacement, reductor 1 is being fixed on sleeve 4 by transmission axle 11 drive gear wheel 12 linkage little gear 13 On tooth bar 14 scroll-up/down so that whole circular platform B is vertically movable on sleeve 4;
Uniform four slide blocks 15 in flat surface 3 edge, and slide block 15 can slide on the line slideway 16 on sleeve for Support platform B;
As shown in Figure 6,7, rotary drive mechanism C is fixed on the center of platform B, 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 Second main shaft 23 of first gear 21 and second gear 22 linkage rotation drive mechanism C rotates, and the second of rotary drive mechanism C is main Axle 23 passes vertically through the center of platform B, and the lower end of the second main shaft 23 is connected with the connecting bushing 24 of handgrip components mechanism D, drives Dynamic handgrip components mechanism D rotary motion in the horizontal plane;
As shown in Figure 8,9, in fixed and arranged You Yu center graphite components in handgrip components mechanism D main body, crawl hole is 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 is alignd with the crawl hole in the graphite components of center;
Each handgrip 25 includes electric magnet 26, guide rod 27, the linear bearing 28 for guide rod slip, leader casing 29, is used for The some groups of bearing pins 30 connecting, hook pawl seat 31, and a pair of the hook pawl 32 being linked in hook pawl seat 31 with bearing pin 30, are opened by automatically controlled Close and to control the polarity of electric magnet 26, the repulsion of electric magnet or attraction that guide rod 27 is moved up and down in leader casing 29, guide rod 27 extremely go up down and extremely two kinds of positions in leader casing 29 has corresponded to relieving state and the retracted state hooking pawl 32 respectively.
Center graphite column changes crawl and the lifting that mechanism mainly realizes center graphite components, in crawl center graphite components When, drive handgrip components mechanism D so that handgrip 25 is moved downward by elevating mechanism A, when handgrip 25 moves to and center graphite group After part is close, rotary fine adjustment makes handgrip 25 and center graphite components in the horizontal direction to drive handgrip mechanism by rotary drive mechanism C Crawl hole be aligned, Zai Shi mechanism integrally slowly moves downward certain distance, allows handgrip 25 enter graphite components crawl hole, when grabbing After handss 25 reach the bottom that center graphite components capture hole, electric magnet 26 is controlled to decontrol handgrip 25 by proximity switch, in realization The crawl of cardiolith ink assembly, after graphite components crawl, then makes grasping mechanism and graphite components along sleeve 4 by elevating mechanism A The tooth bar 14 of vertical rail slowly moves upwards, realizes the lifting of graphite components;
It is configured with photographic head on the handgrip 25 of handgrip components mechanism D, photographic head 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 present invention can be matched and be carried out by rotary motion in the horizontal direction and overall slow elevating movement What crawl was dynamic is accurately positioned work.
The present invention is applied not only in the Renewal process of center graphite column of nuclear reactor, can also use in other classes with holes The occasion of material handling.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.

Claims (6)

1. a kind of nuclear reactor center graphite column more changing device, including:Elevating mechanism (A), by 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) drives handgrip components mechanism (D) Do vertical motion, rotary drive mechanism (C) drives handgrip components mechanism (D) to rotate, 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) wraps Include:Reductor (1), lifting motor (5), it is fixed on the flat surface (3) of platform (B), 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) drives canine tooth by transmission axle (11) Tooth bar (14) scroll-up/down on being fixed on sleeve (4) for the wheel (12) linkage little gear (13), 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) it is fixed on the geometric center of platform (B), rotary drive mechanism (C) is driven by electric rotating machine (17), by 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 Second main shaft (23) of second gear (22) linkage rotation drive mechanism (C) rotates, the second main shaft of rotary drive mechanism (C) (23) geometric center of platform (B), the connecting bushing of the lower end of the second main shaft (23) and handgrip components mechanism (D) are passed vertically through (24) it is connected, drive handgrip components mechanism (D) rotary motion 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) sliding for guide rod (27), leader casing (29), for some groups connected Bearing pin (30), hooks pawl seat (31), and is hooking a pair of in pawl seat (31) hook pawl (32) with bearing pin (30) hinge joint, by electric-controlled switch To control the polarity of electric magnet (26), the repulsion of electric magnet or attraction that guide rod (27) is moved up and down in leader casing (29), Guide rod (27) is extremely gone up down and extremely two kinds of positions in leader casing (29) and has been corresponded to the relieving state of hook pawl (32) respectively and withdrawn shape State.
5. nuclear reactor center according to claim 2 graphite column more changing device it is characterised in that:Flat surface (3) edge Uniform several slide blocks (15) in place, and slide block (15) can be in the upper slip of the line slideway (16) 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) it is configured with photographic head on handgrip (25).
CN201611179172.5A 2016-12-19 2016-12-19 A kind of nuclear reactor center graphite column more changing device Active CN106448771B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611179172.5A CN106448771B (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
CN201611179172.5A CN106448771B (en) 2016-12-19 2016-12-19 A kind of nuclear reactor center graphite column more changing device

Publications (2)

Publication Number Publication Date
CN106448771A true CN106448771A (en) 2017-02-22
CN106448771B CN106448771B (en) 2018-09-21

Family

ID=58215119

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611179172.5A Active CN106448771B (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) CN106448771B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107123453A (en) * 2017-06-08 2017-09-01 清华大学天津高端装备研究院 A kind of replacing platform for reactor inner part
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
CN110018320A (en) * 2019-03-29 2019-07-16 赫安仕科技(苏州)有限公司 A kind of detection driving device and driving method
CN114986199A (en) * 2022-05-08 2022-09-02 昆明云内动力股份有限公司 Turning operation device of cross workbench vertical drilling machine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH552877A (en) * 1972-12-01 1974-08-15 Bbc Brown Boveri & Cie Fuel element loading machine - for gas-cooled graphite-moderated nuclear reactor
JPH0527081A (en) * 1991-07-25 1993-02-05 Toshiba Eng & Constr Co Ltd Channel box loading confirming device for fuel assembly
CN101875196A (en) * 2010-03-15 2010-11-03 中国原子能科学研究院 Remote guide rail centering operation manipulator
CN103606386A (en) * 2013-11-19 2014-02-26 中国科学院光电技术研究所 Robot for checking claw of control rod driving mechanism of nuclear power station
CN104051035A (en) * 2014-07-02 2014-09-17 中国科学院合肥物质科学研究院 Reactor core assembly replacing device for liquid-state heavy metal reactor
CN104269197A (en) * 2014-09-27 2015-01-07 中国科学院合肥物质科学研究院 Verification device for in-pile refueling system in liquid-state heavy metal reactor
CN204209693U (en) * 2014-11-07 2015-03-18 广州市雄翔动漫科技有限公司 A kind of robot device
CN105965225A (en) * 2016-06-27 2016-09-28 中国原子能科学研究院 Reactor graphite removal device
CN206331797U (en) * 2016-12-19 2017-07-14 清华大学天津高端装备研究院 A kind of nuclear reactor center graphite column more changing device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH552877A (en) * 1972-12-01 1974-08-15 Bbc Brown Boveri & Cie Fuel element loading machine - for gas-cooled graphite-moderated nuclear reactor
JPH0527081A (en) * 1991-07-25 1993-02-05 Toshiba Eng & Constr Co Ltd Channel box loading confirming device for fuel assembly
CN101875196A (en) * 2010-03-15 2010-11-03 中国原子能科学研究院 Remote guide rail centering operation manipulator
CN103606386A (en) * 2013-11-19 2014-02-26 中国科学院光电技术研究所 Robot for checking claw of control rod driving mechanism of nuclear power station
CN104051035A (en) * 2014-07-02 2014-09-17 中国科学院合肥物质科学研究院 Reactor core assembly replacing device for liquid-state heavy metal reactor
CN104269197A (en) * 2014-09-27 2015-01-07 中国科学院合肥物质科学研究院 Verification device for in-pile refueling system in liquid-state heavy metal reactor
CN204209693U (en) * 2014-11-07 2015-03-18 广州市雄翔动漫科技有限公司 A kind of robot device
CN105965225A (en) * 2016-06-27 2016-09-28 中国原子能科学研究院 Reactor graphite removal device
CN206331797U (en) * 2016-12-19 2017-07-14 清华大学天津高端装备研究院 A kind of nuclear reactor center graphite column more changing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107123453A (en) * 2017-06-08 2017-09-01 清华大学天津高端装备研究院 A kind of replacing platform for reactor inner part
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
CN110018320A (en) * 2019-03-29 2019-07-16 赫安仕科技(苏州)有限公司 A kind of detection driving device and driving method
CN114986199A (en) * 2022-05-08 2022-09-02 昆明云内动力股份有限公司 Turning operation device of cross workbench vertical drilling machine

Also Published As

Publication number Publication date
CN106448771B (en) 2018-09-21

Similar Documents

Publication Publication Date Title
CN106448771A (en) Center graphite pillar replacing device of nuclear reactor
CN109095393B (en) Lifting device for medical equipment
CN206331797U (en) A kind of nuclear reactor center graphite column more changing device
CN105540489A (en) Rotating and lifting device for mobile platform
CN210713874U (en) Assembled building dress wallboard butt joint device now
EP0076432B1 (en) Handling apparatus
CN110092317B (en) A quick hoisting device for road and bridge construction
CN209828802U (en) Emulsification dispersion machine
CN109202831A (en) A kind of metal 3D printer hoistable platform
CN104590033A (en) Trolley pole hoisting mechanism
CN211436039U (en) Magnetic stirrer
CN207358145U (en) Rotation pull device for high temperature alloy directional solidification
CN110026998A (en) A kind of crusing robot mechanical structure being made of former and later two anti-explosion box bodies
CN203083386U (en) Stirring device of casting furnace
CN210757749U (en) Jacking device applying single screw rod
CN112044312B (en) Automatic stirring equipment
CN106863614A (en) A kind of mixing plant for concrete production based on Internet of Things
CN208774612U (en) Lifting device with fixed vehicle
CN201529713U (en) Twisting machine structural modification
CN207841658U (en) Vibratory equipment and die station flow system
CN213794845U (en) Mechanism applied to lifting and focusing of laser marking equipment and laser marking equipment
CN216024534U (en) Magnetic stirring system and lifting device thereof
CN108458150B (en) Electric straight-travel valve actuator
CN111822874A (en) Lifting platform for laser engraving machine
CN217610902U (en) Lifting device and cleaning robot

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant