CN106429918A - Double-rope hoisting mechanism of welding line ultrasonic inspection device of control rod drive mechanism - Google Patents
Double-rope hoisting mechanism of welding line ultrasonic inspection device of control rod drive mechanism Download PDFInfo
- Publication number
- CN106429918A CN106429918A CN201610874730.3A CN201610874730A CN106429918A CN 106429918 A CN106429918 A CN 106429918A CN 201610874730 A CN201610874730 A CN 201610874730A CN 106429918 A CN106429918 A CN 106429918A
- Authority
- CN
- China
- Prior art keywords
- duplex type
- gear
- hoisting mechanism
- steel wire
- hoist engine
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a double-rope hoisting mechanism of a welding line ultrasonic inspection device of a control rod drive mechanism. The double-rope hoisting mechanism comprises a hoisting frame, a first double-rope winch, a steel wire rope and a balance connecting piece. The balance connecting piece comprises an installing cover fixedly connected with the inspection device, connecting sleeves fixedly connected to the upper portion of the installing cover, stop pieces connected to the end portions of the steel wire rope, and springs which penetrate the steel wire rope and are connected between top covers of the connecting sleeves and the stop pieces. The hoisting frame comprises a frame and a middle pulley set arranged on the frame. Stable and accurate hoisting of the inspection device is achieved through the double-rope winch arranged on the frame, it is effectively guaranteed that the inspection device can be arranged in a control rod in a sleeved manner in the direct perpendicular to a grid layer, the inspection device is prevented from colliding and rubbing with the pipe wall, and the hoisting mechanism is light and capable of being conveniently and rapidly moved. The hoisting mechanism is small in size and can conduct hoisting from the middle portion or the two ends of the frame, and complete coverage of the control rod drive mechanism is achieved.
Description
Technical field
The present invention relates to nuclear power checks field, double particularly to a kind of CRDM welding line ultrasonic check device
Rope hoisting mechanism.
Background technology
Nuclear power station reactor control stick drive mechanism (hereinafter referred to as CRDM) is the servo for controlling pile reactivity
Device, be particularly used for lifting, decline, keep or soon plug in control rod, with complete reactor start-up, power adjustments, power maintain,
Scram under operating mode stall and accident conditions, is to directly affect the normal operation of nuclear reactor and safe and reliable critical equipment
One of.
At present, the second filial generation that China has and third generation compacted clay liners are all driven using magnetic force hoisting type control rod
Mechanism, it is mainly by hook assembly, actuated lever assemblies, pneumatic shell, yoke coil block and stick location probe assembly etc. 5 part group
Become.The CRDM of CEPR unit amounts to 89, and its control rod is bolted mode and is installed on reactor pressure
Above container cap, in matrix distribution.The length of single CRDM is about 5.2m.
CRDM 7（Control Rod Drive Mechanism, abbreviation CRDM）It is nuclear safety one-level portion
Part, it is the instruction according to reactor control and protection system, and drive control rod assembly is in the upper and lower motion of heap in-core it is ensured that anti-
Answer the key equipment of the functional realiey such as startup, power adjustments, power holding, normal shutdown and the breakdown of heap.According to correlation
4 weld seams of CRDM are both needed to implement ultrasonic or eddy current inspection by the regulation of in-Service Inspection of Nuclear Power Station outline.For CRDM control rod
Docking dissimilar metal welding line CW1/2, it is that the ultrasonic of mandatory check must examine weld seam, and the inspection special equipment for this weld seam is
A kind of tub equipment, is inserted in from CRDM top, is hung to position while welding to be checked with hoisting mechanism, implements ultrasonic examination, existing hangs
Mounting mechanism is mostly single rope lifting, and this kind of lifting mode cannot ensure that lifting is steady and check device energy vertical gate compartment is placed on
On control rod, equipment cannot be hung to the position of needs by the single hook lifting that common row hangs, and see that Fig. 1 analyzes, equipment needs to hang downwards
About 6 meters of dress distance, the suspension hook 8 of single hook lifting can be interfered with CRDM top, and in order to try one's best, minimizing equipment is rubbed with CRDM, need to avoid hanging
Hook deflection lifts, and therefore single hook lifting cannot realize the lifting of equipment；Also there is duplex type hoisting machine at present, such as Publication No.：
01271458.5 application, but it only discloses duplex type hoist engine, and the setting as mast-up does not refer to, therefore cannot be applied to
The lifting of CRDM welding line ultrasonic check device.
Content of the invention
It is an object of the invention to provide a kind of steadily accurate and safe CRDM welding line ultrasonic of lifting
The duplex type hoisting mechanism of check device.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of CRDM welding line ultrasonic
The duplex type hoisting mechanism of check device, it includes mast-up, the first duplex type hoist engine being installed on described mast-up, is connected to
Balance connector between the steel wire rope of described hoist engine and described check device, described balance connector includes and described inspection
Mounting cup that device phase is fixedly connected, it is fixedly connected on adapter sleeve above described mounting cup, is connected to described steel cord ends
Catch, between the top cover being arranged on described steel wire rope and being connected to described adapter sleeve and catch for the bullet of adjustment
Spring, described mast-up includes the framework of cuboid, in being provided with for being lifted from frame mid portion above described framework
Portion's assembly pulley, one end of described steel wire rope is fixed on the first duplex type hoist engine, and described steel wire rope bypasses middle part pulley respectively
It is connected with described balance connector after one pulley of group.
Optimize, described mast-up also includes being installed on above described framework and one end stretches out in prolonging outside described frame
Stretch frame, be installed on described Extension support both ends and the outside assembly pulley for being lifted from the outside of framework, described steel wire rope
One end is connected on described first duplex type hoist engine and middle part bypass described outside assembly pulley after be connected with described balance connector
Connect.
Further, middle part assembly pulley is located on the Extension support above frame mid portion.
Optimize, described first duplex type hoist engine includes hoist engine body, fixed cover located at the of described hoist engine body
Sleeve on one reel, the lateral surface of described sleeve offers oppositely oriented thread groove, described steel wire from two ends to centre
Rope has two, and the two ends of two described steel wire ropes are individually fixed in the symmetric position at the two ends of described sleeve, and two steel wire ropes divide
It is not set around on described sleeve along two thread grooves.
Further, described framework is additionally provided with the second duplex type hoist engine, described second duplex type hoist engine includes fixing peace
The base being loaded on described framework, the motor mount being fixedly installed on described base, it is installed in described motor mount
Motor, the transmission component mounting seat being fixedly installed on described base, be installed on the worm gear in described transmission component mounting seat
Worm component, it is connected to and between described worm and gear assembly and described motor, is used for the Bevel Gear Transmission assembly of commutation, fixing peace
The second reel installing plate being loaded on described base and triple barrel installing plate, be rotationally connected with respectively described second reel install
The second reel on plate and triple barrel installing plate and triple barrel, two worm gears with described worm and gear assembly are coaxial and solid
The fixed driving gear connecting, coaxial with the described second reel and triple barrel respectively and driven gear that is fixedly connected, described snail
The worm gear of worm and gear assembly and worm screw are all rotationally connected with described transmission component, two described driving gears pass through connecting shaft with
Described worm gear is connected, and described worm gear is located between two described driving gears, and described driven gear is located at described worm gear respectively
Both sides and be meshed with described driving gear respectively.
Further, described second duplex type hoist engine also includes connect coaxially fixing with described second reel or triple barrel
The second counting gear that the first counting gear connecing is meshed with described first counting gear, with described second counting gear phase
The motometer being in transmission connection.
Optimize, be provided with below described framework and be conveniently adjusted the roller of position, for making described framework determine after adjustment position
The support feet of position.
Further, it is additionally provided with below described framework for improving the fixation installing grid layer bonding strength with hoisting mechanism
Button.
The beneficial effects of the present invention is：The present invention achieves check device using the duplex type hoist engine being arranged on framework
Steadily precisely lift, check device is effectively ensured and can pack into control rod along the direction of vertical gate compartment, prevent check device with
There is grazing in tube wall, hoisting mechanism is light, can easily and fast move；Hoisting mechanism small volume, can be in the middle part of framework or two ends are entered
Row lifting, can be for every CRDM position adjustment position it is achieved that all standing of CRDM.
Brief description
Accompanying drawing 1 is the schematic diagram of single rope lifting；
Accompanying drawing 2 is the three-dimensional view of the present invention；
Accompanying drawing 3 is the schematic diagram of mast-up of the present invention；
Accompanying drawing 4 is the schematic diagram of balance connector；
Accompanying drawing 5,6 is the three-dimensional view of the second duplex type hoist engine.
Specific embodiment
Shown embodiment is described in detail below to the present invention below in conjunction with the accompanying drawings：
As shown in Fig. 2 the duplex type hoisting mechanism of CRDM welding line ultrasonic check device 0 includes mast-up 1, is installed on
The first duplex type hoist engine 2 on mast-up 1, the balance connector 3 being connected between the steel wire rope 4 of hoist engine and check device 0.
As shown in figure 4, balance connector 3 include mutually being fixedly connected with check device 0 mounting cup 31, be fixedly connected on peace
Dress covers the adapter sleeve 32 of 31 tops, is connected to the catch 33 of steel wire rope 4 end, is arranged on steel wire rope 4 and is connected to adapter sleeve
It is used for the spring 34 of adjustment between 32 top cover and catch 33.
As shown in figure 3, mast-up 1 includes the framework 11 of cuboid, is arranged on framework 11 top and for from framework 11
Middle part assembly pulley 12 that middle part is lifted, it is installed on framework 11 top and Extension support 13 that one end stretches out in outside frame, peace
It is loaded on Extension support 13 both ends and the outside assembly pulley 14 for being lifted from the outside of framework 11, in the present embodiment, in
Portion's assembly pulley 12 is located on the Extension support 13 of framework 11 middle part top.When carrying out middle part lifting, one end of steel wire rope 4 is fixed on
On first duplex type hoist engine 2, and steel wire rope 4 bypass respectively middle part assembly pulley 12 a pulley after with balance connector 3 be connected
Connect.When carrying out outside lifting, steel wire rope 4 one end is connected on the first duplex type hoist engine 2 and middle part bypasses outside assembly pulley 14
It is connected with balance connector 3 afterwards.
First duplex type hoist engine 2 includes hoist engine body 21, fixed cover on the first reel of hoist engine body 21
Sleeve 22, the lateral surface of sleeve 22 offers oppositely oriented thread groove from two ends to centre, and steel wire rope 4 has two, two
The two ends of steel wire rope 4 are individually fixed in the symmetric position at the two ends of sleeve 22, and two steel wire ropes 4 are respectively along two thread groove windings
On sleeve 22.
In the present embodiment, lifting efficiency for raising can be that middle part lifting is respectively provided with hoist engine with outside lifting,
Middle part lifting adopts the first duplex type hoist engine 2, and also sets up the second duplex type hoist engine 5 for outside lifting on the frame 11,
As shown in Figure 5,6, the second duplex type hoist engine 5 includes being fixedly installed on framework 11 base 51, it is fixedly installed on base 51
Motor mount 52, the motor 53 being installed in motor mount 52, the transmission component that is fixedly installed on base 51 install
Seat 54, the worm and gear assembly that is installed in transmission component mounting seat 54, is connected to and is used between worm and gear assembly and motor
The Bevel Gear Transmission assembly 56 of commutation, the second reel installing plate being fixedly installed on base 51 and triple barrel installing plate, point
It is not rotationally connected with the second reel 59 on the second reel installing plate and triple barrel installing plate and triple barrel 50, two and snail
The worm gear 510 of worm and gear assembly coaxial and be fixedly connected driving gear 511, respectively with the second reel 59 and triple barrel 50 with
The driving counting gear that axle and the driven gear 55 being fixedly connected are fixedly and coaxially connected with the second reel 59 or triple barrel 50
57 with drive the driven counting gears 58 that are meshed of counting gear 57, in the present embodiment, drive counting gear 57 with second
Reel 59 is fixedly and coaxially connected, the motometer 512 being mutually in transmission connection with driven counting gear 58, the worm gear of worm and gear assembly
510 and worm screw be all rotationally connected with transmission component, two driving gears 511 are connected with worm gear 510 by connecting shaft, worm gear
510 be located at two driving gears 511 between, driven gear 55 respectively be located at worm gear 510 both sides and respectively with driving gear 511
It is meshed.
It is provided with roller 15, the support feet for making framework 11 position after adjustment position being conveniently adjusted position below framework 11
16.It is additionally provided with below framework 11 for improving the clip 17 installing grid layer bonding strength with hoisting mechanism.
Above-described embodiment only technology design to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not be limited the scope of the invention with this.All according to the present invention
The equivalence changes made of spirit or modification, such as by balance connector be revised as inwall be densely covered with pressure transducer induction tube or
Connect set upper side and set up the induction tube that one section of inwall is densely covered with pressure transducer, sensing inside pipe wall is slightly larger than wirerope diameter, when
When check device has inclination, steel wire rope can extrude sensing inside pipe wall, sends signal, and can judge inclination side according to extruding point
To being conveniently adjusted, such change all should be included within the scope of the present invention.
Claims (8)
1. a kind of duplex type hoisting mechanism of CRDM welding line ultrasonic check device it is characterised in that：It includes lifting
Frame, the first duplex type hoist engine being installed on described mast-up, the steel wire rope and the described check device that are connected to described hoist engine
Between balance connector, mounting cup that described balance connector includes being fixedly connected with described check device phase, be fixedly connected
Adapter sleeve above described mounting cup, it is connected to the catch of described steel cord ends, is arranged on described steel wire rope and connects
It is used for the spring of adjustment between the top cover and catch of described adapter sleeve, described mast-up includes the framework of cuboid,
Middle part assembly pulley for being lifted from frame mid portion is installed above described framework, one end of described steel wire rope is fixed on
On one duplex type hoist engine, and described steel wire rope bypass respectively middle part assembly pulley a pulley after with described balance connector be connected
Connect.
2. the duplex type hoisting mechanism of CRDM welding line ultrasonic check device according to claim 1, its feature
It is：Described mast-up also includes Extension support, the installation being installed on above described framework and one end stretches out in outside described frame
In described Extension support both ends and for the outside assembly pulley that lifted from the outside of framework, described steel wire rope one end is connected to
On described first duplex type hoist engine and middle part is connected with described balance connector after bypassing described outside assembly pulley.
3. the duplex type hoisting mechanism of CRDM welding line ultrasonic check device according to claim 2, its feature
It is：Middle part assembly pulley is located on the Extension support above frame mid portion.
4. the duplex type hoisting mechanism of CRDM welding line ultrasonic check device according to claim 1, its feature
It is：Described first duplex type hoist engine includes hoist engine body, fixed cover on the first reel of described hoist engine body
Sleeve, the lateral surface of described sleeve offers oppositely oriented thread groove from two ends to centre, and described steel wire rope has two, and two
The two ends of steel wire rope described in root are individually fixed in the symmetric position at the two ends of described sleeve, and two steel wire ropes are respectively along two screw threads
Groove is set around on described sleeve.
5. the duplex type hoisting mechanism of CRDM welding line ultrasonic check device according to claim 2, its feature
It is：Second duplex type hoist engine is additionally provided with described framework, described second duplex type hoist engine includes being fixedly installed in described framework
On base, the motor mount being fixedly installed on described base, the motor being installed in described motor mount, fixing peace
It is loaded on the transmission component mounting seat on described base, be installed on worm and gear assembly in described transmission component mounting seat, connection
It is used for the Bevel Gear Transmission assembly of commutation between described worm and gear assembly and described motor, be fixedly installed in described base
The second reel installing plate and triple barrel installing plate, be rotationally connected with respectively described second reel installing plate and triple barrel peace
The second reel on dress plate and triple barrel, two worm gears with described worm and gear assembly be coaxial and the sliding tooth that is fixedly connected
Wheel, coaxial with the described second reel and triple barrel respectively and driven gear that is fixedly connected, the snail of described worm and gear assembly
Wheel and worm screw are all rotationally connected with described transmission component, and two described driving gears are connected with described worm gear by connecting shaft
Connect, described worm gear is located between two described driving gears, described driven gear is located at both sides and the difference of described worm gear respectively
It is meshed with described driving gear.
6. the duplex type hoisting mechanism of CRDM welding line ultrasonic check device according to claim 5, its feature
It is：Described second duplex type hoist engine also includes the first counting tooth being fixedly and coaxially connected with described second reel or triple barrel
Take turns the second counting gear being meshed with described first counting gear, the revolution being in transmission connection with described second counting gear phase
Meter.
7. the duplex type hoisting mechanism of CRDM welding line ultrasonic check device according to claim 1, its feature
It is：It is provided with roller, the support feet for making described framework positioning after adjustment position being conveniently adjusted position below described framework.
8. the duplex type hoisting mechanism of CRDM welding line ultrasonic check device according to claim 7, its feature
It is：It is additionally provided with below described framework for improving the clip installing grid layer bonding strength with hoisting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874730.3A CN106429918B (en) | 2016-09-30 | 2016-09-30 | The duplex type hoisting mechanism of control rod drive mechanism welding line ultrasonic check device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874730.3A CN106429918B (en) | 2016-09-30 | 2016-09-30 | The duplex type hoisting mechanism of control rod drive mechanism welding line ultrasonic check device |
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| Publication Number | Publication Date |
|---|---|
| CN106429918A true CN106429918A (en) | 2017-02-22 |
| CN106429918B CN106429918B (en) | 2019-04-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610874730.3A Active CN106429918B (en) | 2016-09-30 | 2016-09-30 | The duplex type hoisting mechanism of control rod drive mechanism welding line ultrasonic check device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946163A (en) * | 2017-05-03 | 2017-07-14 | 武汉科技大学 | Drum type filter screen A shapes frame installs special tooling |
| CN108044200A (en) * | 2017-11-29 | 2018-05-18 | 北京石油化工学院 | The control rod processing unit (plant) of built-up welding processing |
| CN112489837A (en) * | 2020-11-27 | 2021-03-12 | 中广核检测技术有限公司 | Sheet distribution device and method for in-service inspection of claw gasket of control rod drive mechanism |
| CN112850447A (en) * | 2021-02-03 | 2021-05-28 | 华能山东石岛湾核电有限公司 | Multi-station hoisting device for overhauling control rod driving mechanism of high-temperature gas cooled reactor |
| CN114974620A (en) * | 2022-06-27 | 2022-08-30 | 四川华都核设备制造有限公司 | Control rod drive mechanism reel assembly and control rod drive mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2517724Y (en) * | 2001-12-29 | 2002-10-23 | 潘颖聪 | Double wire rope capstan engine |
| US20130341578A1 (en) * | 2012-06-25 | 2013-12-26 | Michael Noah Mosdell | Line Hauler with Dualler Plate and Line Coiler |
| CN104979029A (en) * | 2015-05-20 | 2015-10-14 | 中广核检测技术有限公司 | Ultrasonic inspection device for omega welding seam of control rod drive mechanism in nuclear power station |
| CN105035983A (en) * | 2015-07-31 | 2015-11-11 | 河北宁通电子材料有限公司 | Lifting device for single crystals |
| CN105692477A (en) * | 2016-03-31 | 2016-06-22 | 马宏 | Two-purpose hoisting machine with trolley |
| CN105819356A (en) * | 2016-05-13 | 2016-08-03 | 马宏 | Application of express parcel delivery device |
-
2016
- 2016-09-30 CN CN201610874730.3A patent/CN106429918B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2517724Y (en) * | 2001-12-29 | 2002-10-23 | 潘颖聪 | Double wire rope capstan engine |
| US20130341578A1 (en) * | 2012-06-25 | 2013-12-26 | Michael Noah Mosdell | Line Hauler with Dualler Plate and Line Coiler |
| CN104979029A (en) * | 2015-05-20 | 2015-10-14 | 中广核检测技术有限公司 | Ultrasonic inspection device for omega welding seam of control rod drive mechanism in nuclear power station |
| CN105035983A (en) * | 2015-07-31 | 2015-11-11 | 河北宁通电子材料有限公司 | Lifting device for single crystals |
| CN105692477A (en) * | 2016-03-31 | 2016-06-22 | 马宏 | Two-purpose hoisting machine with trolley |
| CN105819356A (en) * | 2016-05-13 | 2016-08-03 | 马宏 | Application of express parcel delivery device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946163A (en) * | 2017-05-03 | 2017-07-14 | 武汉科技大学 | Drum type filter screen A shapes frame installs special tooling |
| CN108044200A (en) * | 2017-11-29 | 2018-05-18 | 北京石油化工学院 | The control rod processing unit (plant) of built-up welding processing |
| CN108044200B (en) * | 2017-11-29 | 2019-05-03 | 北京石油化工学院 | The control rod processing unit (plant) of built-up welding processing |
| CN112489837A (en) * | 2020-11-27 | 2021-03-12 | 中广核检测技术有限公司 | Sheet distribution device and method for in-service inspection of claw gasket of control rod drive mechanism |
| CN112489837B (en) * | 2020-11-27 | 2024-04-02 | 中广核检测技术有限公司 | Sheet distributing device and method for in-service inspection of claw gaskets of control rod driving mechanism |
| CN112850447A (en) * | 2021-02-03 | 2021-05-28 | 华能山东石岛湾核电有限公司 | Multi-station hoisting device for overhauling control rod driving mechanism of high-temperature gas cooled reactor |
| CN114974620A (en) * | 2022-06-27 | 2022-08-30 | 四川华都核设备制造有限公司 | Control rod drive mechanism reel assembly and control rod drive mechanism |
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| Publication number | Publication date |
|---|---|
| CN106429918B (en) | 2019-04-23 |
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