CN109444154A - Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band - Google Patents
Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band Download PDFInfo
- Publication number
- CN109444154A CN109444154A CN201811574789.6A CN201811574789A CN109444154A CN 109444154 A CN109444154 A CN 109444154A CN 201811574789 A CN201811574789 A CN 201811574789A CN 109444154 A CN109444154 A CN 109444154A
- Authority
- CN
- China
- Prior art keywords
- arc
- steel band
- shaped flexible
- flexible steel
- video
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 239000000523 sample Substances 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims description 8
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002393 scratching effect Effects 0.000 claims description 2
- 235000014676 Phragmites communis Nutrition 0.000 claims 1
- 238000006748 scratching Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 229920003266 Leaf® Polymers 0.000 description 14
- 238000007689 inspection Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
-
- 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
Abstract
The invention belongs to Steam Generators in NPP service technique fields, more particularly to video check telescopic magic hand between a kind of steam generator based on arc-shaped flexible steel band, it is proposed video check telescopic magic hand between a kind of steam generator based on arc-shaped flexible steel band, the telescopic magic hand realizes that the flexibility steel band popped one's head in video check moves between pipe equipped with the reel of spring using the cooperation of motor driven spool, with compact-sized, stretch out retract action fast response time, it is suitble in a limited space, such as the characteristics of heat-transfer pipe interval work.It is characterized in that, it includes spool, arc-shaped flexible steel band, reel, spring leaf and video probe device；Spool is connected to motor, and can rotate under the drive of the motor；The end of arc-shaped flexible steel band is fixedly connected with the spring leaf in reel, and front end is fixedly connected with video probe device；Video probe device protrudes into the gap between heat-transfer pipe, checks pipe.
Description
Technical field
The invention belongs to Steam Generators in NPP service technique fields, and in particular to a kind of based on arc-shaped flexible steel band
Video check telescopic magic hand between steam generator.
Background technique
Steam generator, abbreviation SG are one of nuclear power plant's key equipments, play the isolation and heat exchange of one, secondary circuit
Effect.Most of SG of nuclear power station uses the structure type of the vertical Natural Circulation of built-in steam-water separator at present.In nuclear power machine
In group normal course of operation, even if carrying out stringent control to secondary circuit water chemistry, it can also be generated not in SG and water supply system
Dissolubility corrosion product.These corrosion products, can be in the secondary side tube sheet surface SG and pipe while being discharged by drainage part
The problems such as beam deposits in gap, forms body refuse accumulation, eventually leads to the decline of the heat-transfer pipe burn into thermal efficiency and unstable water level.
Domestic and international operating experience shows the deposit for periodically removing tube sheet upper surface, can slow down heat-transfer pipe corrosion and rupture
Trend.Pass through SG secondary side cleannes video check, it will be appreciated that the distribution of SG secondary side body refuse has checked whether that exotic is deposited
Power station operations staff is being allowed to understand the state of SG in time, while can assess whether current cleannes meet power plant safety operation
It is required that and take subsequent related measure on this basis, eliminate in time potentially hazardous.
Current country SG secondary side cleannes video check work is using the video check tool specially designed, by checking
Personnel's manual operation carries out cleannes video check.Although the mode checked manually has Work tool structure to be simple and convenient to operate,
The good advantage of adaptability, but need inspection personnel to work near SG for a long time when inspection, personnel's collection is not only resulted in this way
Body dosage increases, and inspection personnel's continuous work in the hot environment in the room SG, and there is also certain security risks.
Summary of the invention
The present invention is directed to cleannes video check demand between Steam Generators in NPP pipe, proposes a kind of based on arc-shaped flexible
Video check telescopic magic hand between the steam generator of steel band, the telescopic magic hand are equipped with bullet using the cooperation of motor driven spool
The reel of spring realizes that the flexibility steel band popped one's head in video check moves between pipe, has compact-sized, stretching retract action response
Speed is fast, is suitble in a limited space, such as the characteristics of heat-transfer pipe interval work.
The present invention is implemented as follows:
Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band, including spool, arc-shaped flexible
Steel band, reel, spring leaf and video probe device；Spool is connected to motor, and can rotate under the drive of the motor；Arc-shaped flexible
The end of steel band is fixedly connected with the spring leaf in reel, and front end is fixedly connected with video probe device；Video probe device is stretched
Enter the gap between heat-transfer pipe, checks pipe.
Spool generally cylindrical as described above is evenly equipped with type gear protrusion in outer end face, is used for and arc-shaped flexible
Steel band cooperation, drives the stretching and withdrawal of arc-shaped flexible steel band.
Arc-shaped flexible steel band as described above uses arc-shaped cross-section, so that arc-shaped flexible steel band had not only had linear but also had
Flexibility, convenient for being operated in small space；Arc-shaped flexible steel band is evenly equipped with multiple through-holes along its length, with the class tooth on spool
Wheel protrusion matches, and realizes that spool drives the movement of arc-shaped flexible steel band.
Arc-shaped flexible steel band as described above is made of spring steel material.
As coiling automatic drawing back steel ruler mechanism by spring plate group at one end of spring leaf is fixed within the roll
The heart, the other end are connected to arc-shaped flexible steel band end, and when arc-shaped flexible steel band stretches out, spring leaf can generate turning power, so that
Arc-shaped flexible steel band is kept in the center.
Video probe device as described above includes headlamp, probe cover, cable, positioning pin and camera；Probe cover is whole
Body is hollow cuboid, left and right both ends open；Headlamp and camera are mounted on inside probe cover, pass through a probe cover left side
The opening at end carries out illumination and video acquisition；Positioning pin is arranged in probe cover right-end openings position, before arc-shaped flexible steel band
End is fixedly connected；One end of cable is separately connected headlamp and camera, and the other end extends to outside probe cover, with control mechanism
And power supply connection.
The invention also includes outer housings；Spool, arc-shaped flexible steel band, reel, spring leaf are encapsulated in by the outer housing
Modular operation is realized in inside；Outer housing front opening, for stretching out arc-shaped flexible steel band；Video probe device is located at shell
The outside of body carries out video check operation under the drive of arc-shaped flexible steel band；In outer housing right end aperture, for stretching out line
Cable.
The beneficial effects of the present invention are:
1. structure is simple, occupied space is effectively reduced, all parts may be integrated into an etui, convenient
Into evaporator internal work；
2. linear intensity increases, steel band is processed into the shape of arc-shaped cross-section, can automatically keep after its stretching linear
State, vertical direction is not flexible, and the enhancing of linear intensity is not so that probe needs the auxiliary implement such as nylon of additional lift rigidity
Lath etc., can be more convenient protrude between heat-transfer pipe of evaporator pipe.
3. modularized design, all parts of the present apparatus are finally integrated in inside a capsule, and control need to only lead to
Crossing an integrated cable can be completed, and capsule can then complete the video of different requirements by being attached on different feed mechanisms
Inspection task.Such as rigid irrigation rifle etc. on the feed arrangement in direction is mounted between central tube, so that it may complete between central tube
Inspection, be mounted in magnetic suck trolley etc. along the feed mechanism in outer ring direction, so that it may complete to check between the pipe of outer ring.
Detailed description of the invention
Fig. 1 is flexibility steel band driving device structure schematic diagram of the invention；
Fig. 2 a is the cross-sectional view of video check probe of the invention；
Fig. 2 b is the left view of video check probe of the invention；
Fig. 3 is overall structure diagram of the invention.
Wherein: 1. spools, 2. arc-shaped flexible steel bands, 3. reels, 4. spring leafs, 5. video probe devices, 6. heat-transfer pipes, 7.
Outer housing, 8. cable holes, 51. headlamps, 52. probe covers, 53. cables, 54. positioning pins, 55. cameras.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, video check telescopic magic hand between the steam generator based on arc-shaped flexible steel band, including spool
1, arc-shaped flexible steel band 2, reel 3, spring leaf 4 and video probe device 5.Spool 1 is connected to motor, can be in the driving of motor
Lower rotation.The end of arc-shaped flexible steel band 2 is fixedly connected with the spring leaf 4 in reel 3, and front end and video probe device 5 are fixed
Connection.Video probe device protrudes into the gap between heat-transfer pipe 6, checks pipe.
The generally cylindrical of spool 1 is evenly equipped with type gear protrusion in outer end face, is used for and arc-shaped flexible steel band
2 cooperations, drive the stretching and withdrawal of arc-shaped flexible steel band 2.
The arc-shaped flexible steel band 2 uses arc-shaped cross-section, so that arc-shaped flexible steel band 2 is not only with linear again with scratching
Property, convenient for being operated in small space, such as in such as heat-transfer pipe gap.Arc-shaped flexible steel band 2 is evenly equipped with multiple along its length
Type gear protrusion on through-hole, with spool 1 matches, and realizes that spool 1 drives the movement of arc-shaped flexible steel band 2.Arc-shaped flexible steel
Band 2 is made of spring steel material.
The mechanism of the automatic drawing back steel ruler of the reel 3 is made of spring leaf 4, and one end of spring leaf 4 is fixed on volume
3 centers of cylinder, the other end are connected to 2 end of arc-shaped flexible steel band, and when arc-shaped flexible steel band 2 stretches out, spring leaf can generate one kind
Turning power, so that arc-shaped flexible steel band 2 is kept in the center.This structure is used on the reel 3 of driving device, in clockwork spring product
The lower winding of poly- turning power effect, enables the arc-shaped flexible steel band 2 retracted to be closely wrapped on reel 3.
As shown in Fig. 2, the video probe device 5 includes headlamp 51, probe cover 52, cable 53,54 and of positioning pin
Camera 55.The generally hollow cuboid of probe cover 52, left and right both ends open.Headlamp 51 and camera 55 are mounted on
Inside probe cover 52, illumination and video acquisition are carried out by the opening of 52 left end of probe cover.Positioning pin 54 is arranged in probe cover 52
Right-end openings position is fixedly connected with the front end of arc-shaped flexible steel band 2.One end of cable 53 is separately connected headlamp 51 and camera shooting
First 55, the other end extends to outside probe cover 52, connect with control mechanism and power supply.
As shown in figure 3, the invention also includes outer housings 7.The outer housing 7 is by spool 1, arc-shaped flexible steel band 2, reel
3, spring leaf 4 is encapsulated in inside, realizes modular operation.7 front opening of outer housing, for stretching out arc-shaped flexible steel band 2.Video
Probe apparatus 5 is located at the outside of outer housing 7, and video check operation is carried out under the drive of arc-shaped flexible steel band 2.In outer housing 7
Right end aperture, for stretching out cable 53.
The course of work of the invention is as follows:
When telescopic magic hand works, motor driven spool 1 is rotated, and type gear protrusion drives flexibility steel band outside on spool 1
It stretches out, band movable reel 3 rotates, and arc-shaped flexible steel band 2 is connected with 3 upper spring piece 4 of reel, and the arc-shaped flexible steel band 2 of stretching drives
4 warp of spring leaf, makes on spring leaf 4 with certain turning power, with driving motor drive the active force collective effect of spool 1 in
Arc-shaped flexible steel band 2 keeps steel band state during video check more stable, after checking out between a comb, driving motor reversion,
Spool 1 drives arc-shaped flexible steel band 2 to retract, and 3 upper spring 4 of reel discharges turning power, ensure that steel band is bonded in removal process
In on reel 3.
It is explained in detail above in conjunction with implementation method of the embodiment to invention, but invention is not limited to above-mentioned implementation
Example, within the knowledge of a person skilled in the art, can also make without departing from the purpose of the present invention
Various change out.The content that description in the present invention is not described in detail can use the prior art.
Claims (7)
1. video check telescopic magic hand between the steam generator based on arc-shaped flexible steel band, it is characterised in that: it includes volume
Axis (1), arc-shaped flexible steel band (2), reel (3), spring leaf (4) and video probe device (5)；Spool (1) is connected to motor, can
To rotate under the drive of the motor；The end of arc-shaped flexible steel band (2) is fixedly connected with the spring leaf (4) in reel (3), front end
It is fixedly connected with video probe device (5)；Video probe device protrudes into the gap between heat-transfer pipe (6), checks pipe.
2. video check telescopic magic hand between the steam generator according to claim 1 based on arc-shaped flexible steel band,
It is characterized by: spool (1) the generally cylindrical, is evenly equipped with type gear protrusion in outer end face, for scratching with arc
Property steel band (2) cooperate, drive arc-shaped flexible steel band (2) stretching and withdrawal.
3. video check telescopic magic hand between the steam generator according to claim 2 based on arc-shaped flexible steel band,
It is characterized by: the arc-shaped flexible steel band (2) uses arc-shaped cross-section, so that arc-shaped flexible steel band (2) had both had linearly
There is flexibility again, convenient for operating in small space；Arc-shaped flexible steel band (2) is evenly equipped with multiple through-holes along its length, with volume
Type gear protrusion on axis (1) matches, and realizes that spool (1) drives the movement of arc-shaped flexible steel band (2).
4. video check telescopic magic hand between the steam generator according to claim 3 based on arc-shaped flexible steel band,
It is characterized by: the arc-shaped flexible steel band (2) is made of spring steel material.
5. video check telescopic magic hand between the steam generator according to claim 2 based on arc-shaped flexible steel band,
It is characterized by: the mechanism of the automatic drawing back steel ruler of the reel (3) is made of spring leaf (4), by one end of spring leaf (4)
It is fixed on reel (3) center, the other end is connected to arc-shaped flexible steel band (2) end, when arc-shaped flexible steel band (2) are stretched out, bullet
Reed can generate turning power, so that arc-shaped flexible steel band (2) is kept in the center.
6. video check telescopic magic hand between the steam generator according to claim 2 based on arc-shaped flexible steel band,
It is characterized by: the video probe device (5) includes headlamp (51), probe cover (52), cable (53), positioning pin (54)
With camera (55)；The generally hollow cuboid of probe cover (52), left and right both ends open；Headlamp (51) and camera
(55) it is internal to be mounted on probe cover (52), illumination and video acquisition are carried out by the opening of probe cover (52) left end；Positioning pin
(54) it is arranged in probe cover (52) right-end openings position, is fixedly connected with the front end of arc-shaped flexible steel band (2)；The one of cable (53)
End is separately connected headlamp (51) and camera (55), and the other end extends to probe cover (52) outside, with control mechanism and power supply
Connection.
7. video check telescopic magic hand between the steam generator according to claim 6 based on arc-shaped flexible steel band,
It is characterized by: it further includes outer housing (7)；The outer housing (7) is by spool (1), arc-shaped flexible steel band (2), reel
(3), spring leaf (4) is encapsulated in inside, realizes modular operation；Outer housing (7) front opening, for stretching out arc-shaped flexible steel band
(2)；Video probe device (5) is located at the outside of outer housing (7), and video check is carried out under the drive of arc-shaped flexible steel band (2)
Operation；In outer housing (7) right end aperture, for stretching out cable (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574789.6A CN109444154A (en) | 2018-12-21 | 2018-12-21 | Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811574789.6A CN109444154A (en) | 2018-12-21 | 2018-12-21 | Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109444154A true CN109444154A (en) | 2019-03-08 |
Family
ID=65534798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811574789.6A Pending CN109444154A (en) | 2018-12-21 | 2018-12-21 | Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109444154A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686154A (en) * | 2019-09-11 | 2020-01-14 | 苏州热工研究院有限公司 | Probe adjusting device suitable for video inspection robot between pipes |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86210932U (en) * | 1986-12-30 | 1987-11-11 | 陈松岳 | Band tape with marking gauge |
| FR2751117A1 (en) * | 1996-07-09 | 1998-01-16 | Framatome Sa | Visual inspection inside evaporator section of PWR steam generator |
| CN2586565Y (en) * | 2002-11-12 | 2003-11-19 | 上海大学 | Retractable flexible arm equipment |
| US6672257B1 (en) * | 1994-05-06 | 2004-01-06 | Foster-Miller, Inc. | Upper bundle steam generator cleaning system and method |
| US20040258190A1 (en) * | 2003-06-23 | 2004-12-23 | Neau David Matthew | Device to perform visual inspection and in-vessel maintenance on vessel components in a nuclear boiling water reactor vessel |
| CN101936679A (en) * | 2009-07-01 | 2011-01-05 | 韩电Kps株式会社 | Apparatus for visually inspecting and removing foreign object in gaps of bundle of heating tubes of upper portion of tube sheet of secondary side of steam generator |
| CN202340300U (en) * | 2011-10-31 | 2012-07-18 | 邴鑫 | Earphone storage box |
| CN203469416U (en) * | 2013-10-21 | 2014-03-12 | 宁波大学 | Smash training device |
| US20150271366A1 (en) * | 2014-03-24 | 2015-09-24 | Korea Plant Service & Engineering Co., Ltd | Remote inspection apparatus for heating tube of steam generator |
| CN209400433U (en) * | 2018-12-21 | 2019-09-17 | 核动力运行研究所 | Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band |
-
2018
- 2018-12-21 CN CN201811574789.6A patent/CN109444154A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86210932U (en) * | 1986-12-30 | 1987-11-11 | 陈松岳 | Band tape with marking gauge |
| US6672257B1 (en) * | 1994-05-06 | 2004-01-06 | Foster-Miller, Inc. | Upper bundle steam generator cleaning system and method |
| FR2751117A1 (en) * | 1996-07-09 | 1998-01-16 | Framatome Sa | Visual inspection inside evaporator section of PWR steam generator |
| CN2586565Y (en) * | 2002-11-12 | 2003-11-19 | 上海大学 | Retractable flexible arm equipment |
| US20040258190A1 (en) * | 2003-06-23 | 2004-12-23 | Neau David Matthew | Device to perform visual inspection and in-vessel maintenance on vessel components in a nuclear boiling water reactor vessel |
| CN101936679A (en) * | 2009-07-01 | 2011-01-05 | 韩电Kps株式会社 | Apparatus for visually inspecting and removing foreign object in gaps of bundle of heating tubes of upper portion of tube sheet of secondary side of steam generator |
| CN202340300U (en) * | 2011-10-31 | 2012-07-18 | 邴鑫 | Earphone storage box |
| CN203469416U (en) * | 2013-10-21 | 2014-03-12 | 宁波大学 | Smash training device |
| US20150271366A1 (en) * | 2014-03-24 | 2015-09-24 | Korea Plant Service & Engineering Co., Ltd | Remote inspection apparatus for heating tube of steam generator |
| CN209400433U (en) * | 2018-12-21 | 2019-09-17 | 核动力运行研究所 | Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686154A (en) * | 2019-09-11 | 2020-01-14 | 苏州热工研究院有限公司 | Probe adjusting device suitable for video inspection robot between pipes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4231419A (en) | Manipulator for inspection and possible repair of the tubes of heat exchangers, especially of steam generators for nuclear reactors | |
| DE2711364C2 (en) | Pressurized water nuclear reactor | |
| US8485139B2 (en) | Apparatus for visually inspecting and removing foreign object in gaps of bundle of heating tubes of upper portion of tube sheet of secondary side of steam generator | |
| EP2299173B1 (en) | Dual type lancing device of secondary side of steam generator | |
| CN209400433U (en) | Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band | |
| WO2012105410A1 (en) | Fastening/loosening device | |
| CN109444154A (en) | Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band | |
| CN208916518U (en) | A kind of communication cable draw off gear | |
| CN109263510A (en) | A kind of new-energy automobile charging pile and its cable accommodation method convenient for storing cable | |
| CN108792798A (en) | A kind of cord winder of the cable production with degreasing function | |
| SE8500647L (en) | EQUIPMENT TRANSMISSOR FOR A NUCLEAR POWER ANG GENERATOR | |
| CN214326813U (en) | Be used for electric power design winding mechanism | |
| CN112090893A (en) | Underwater cleaning robot | |
| CN206940121U (en) | Reel and pipe-reeling device | |
| GB849277A (en) | Improvements in nuclear reactors | |
| CN208815220U (en) | Warping apparatus with automatic shutdown function | |
| JPH0926107A (en) | Cleaning device of steam generator | |
| CN217331814U (en) | Supercritical extraction pretreatment device | |
| CN110686154B (en) | Probe adjusting device suitable for video inspection robot between pipes | |
| CN109148145B (en) | Winding device of inductor | |
| CN208561231U (en) | A kind of power grid fast wire restoring device | |
| CN209703090U (en) | A kind of continuity printing and dyeing ironing machine | |
| KR102487516B1 (en) | Treating apparatus for steam generator | |
| CN209685026U (en) | A kind of power engineering route wind | |
| CN209480813U (en) | A kind of full-automatic jet printer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |