CN209400433U - 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
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- CN209400433U CN209400433U CN201822158649.2U CN201822158649U CN209400433U CN 209400433 U CN209400433 U CN 209400433U CN 201822158649 U CN201822158649 U CN 201822158649U CN 209400433 U CN209400433 U CN 209400433U
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- steel band
- shaped flexible
- flexible steel
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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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Abstract
The utility model belongs to Steam Generators in NPP service technique field, 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 utility model belongs to Steam Generators in NPP service technique field, and in particular to one kind is based on arc-shaped flexible steel
Video check telescopic magic hand between the steam generator of band.
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.
Utility model content
The utility model is directed to cleannes video check demand between Steam Generators in NPP pipe, proposes a kind of based on arc
Video check telescopic magic hand between the steam generator of flexibility steel band, which is matched using motor driven spool attaches together
There is the reel of spring to realize that the flexibility steel band popped one's head in video check moves between pipe, there is compact-sized, stretching retract action
Fast response time is suitble in a limited space, such as the characteristics of heat-transfer pipe interval work.
The utility model is realized in this way:
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 utility model further includes outer housing；The outer housing seals spool, arc-shaped flexible steel band, reel, spring leaf
Mounted in inside, modular operation is realized；Outer housing front opening, for stretching out arc-shaped flexible steel band；Video probe device is located at
The outside of outer housing carries out video check operation under the drive of arc-shaped flexible steel band；In outer housing right end aperture, for stretching out
Cable.
The beneficial effects of the utility model 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 the flexibility steel band driving device structure schematic diagram of the utility model；
Fig. 2 a is the cross-sectional view of the video check probe of the utility model；
Fig. 2 b is the left view of the video check probe of the utility model；
Fig. 3 is the overall structure diagram of the utility model.
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 utility model 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 utility model further includes outer housing 7.The outer housing 7 by spool 1, arc-shaped flexible steel band 2,
Reel 3, spring leaf 4 are encapsulated in inside, realize modular operation.7 front opening of outer housing, 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 operation is carried out under the drive of arc-shaped flexible steel band 2.In shell
7 right end aperture of body, for stretching out cable 53.
The course of work of the utility model 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 utility model, but utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of various changes can be made.The content being not described in detail in the utility model specification 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 |
|---|---|---|---|
| CN201822158649.2U CN209400433U (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 |
|---|---|---|---|
| CN201822158649.2U CN209400433U (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 |
|---|---|
| CN209400433U true CN209400433U (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822158649.2U Active CN209400433U (en) | 2018-12-21 | 2018-12-21 | Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band |
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| CN (1) | CN209400433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444154A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band |
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2018
- 2018-12-21 CN CN201822158649.2U patent/CN209400433U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444154A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | Video check telescopic magic hand between steam generator based on arc-shaped flexible steel band |
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