CN109967424A - A kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure - Google Patents
A kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure Download PDFInfo
- Publication number
- CN109967424A CN109967424A CN201711459743.5A CN201711459743A CN109967424A CN 109967424 A CN109967424 A CN 109967424A CN 201711459743 A CN201711459743 A CN 201711459743A CN 109967424 A CN109967424 A CN 109967424A
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- deflection
- steel band
- bracket
- away
- flexible steel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/01—Spray pistols, discharge devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Cleaning In General (AREA)
Abstract
The invention belongs to steam generator secondary side tube sheet flexibility mud gun douching technique fields, and in particular to a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure；The pipette tips structure includes steel band cover board, rotating dog, machine cavity, connecting bracket, pushes away and pull out bracket, deflection bracket, flexible steel band, push away and pull out driving mechanism and deflection driven mechanism；Machine cavity, connecting bracket and push away the cylindrical cavity for pulling out that frame upper is a flat mouth, steel band cover board and motor gun body, connecting bracket and pushing away pulls out upper area between bracket and forms steel band channel, flexible steel band be arranged in steel band channel, flexible steel band end from push away pull out bracket and deflection bracket between the other side stretch out；The flexible steel band pulled out in driving mechanism driving steel band channel is pushed away to retreat；The opening angle of flexible steel band section of stretching out in the deflection driven mechanism controls steel band channel.The present invention reduces the energy loss of high-pressure water jet, improves flushing effect.
Description
Technical field
The invention belongs to steam generator secondary side tube sheet flexibility mud gun douching technique fields, and in particular to a kind of steam
Generator secondary side tube sheet flexibility body refuse sluice gun header structure.
Background technique
The serious consequence that steam generator secondary side tube sheet subsidence settling may cause steam generator, the removing of body refuse
Become an important component of nuclear power station steam generator maintenance management.Existing steam generator secondary side tube sheet body refuse
Sweep-out method mainly uses rigid irrigation, i.e., setting can be along the high pressure water jets of center piping lane axial direction stepping in the piping lane of center
Mouth, high pressure water are sprayed from nozzle, are injected between heat-transfer pipe pipe, are rinsed between the body refuse pipe.But it is sprayed in the body refuse cleaning method
Mouth on the piping lane axis of center, has certain distance, high pressure water is within this distance in course of injection always between heat-transfer pipe tube sheet
Can decay certain pressure, and time hardness and rigid body refuse that are formed after steam generator longtime running are difficult to clean off；Simultaneously should
Method can not be rinsed between the heat-transfer pipe pipe for being parallel to center piping lane direction.
For above-mentioned status, it is currently suggested flexible irrigation method, i.e., the steel band for carrying high-pressure hose is protruded into heat-transfer pipe
Guan Jian carries out fixed point flushing to heat-transfer pipe tube sheet.But the limit by steam generator hand hole size and center piping lane internal structure
System, conventional steel band, which pushes away, pulls out the requirement that transmission device is unable to satisfy flexible irrigation, and existing steam generator is flexible at present
Body refuse flushing pushes away head of drawing guns and sends out only for the steam in the steam generator of rounded projections arranged, arrangement square for heat-transfer pipe
Raw device is simultaneously not suitable for.
Summary of the invention
The purpose of the present invention is to provide a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure, for
The steam generator of the square arrangement of heat-transfer pipe pushes away the flexible steel band for carrying high-pressure hose between pulling out disengaging heat-transfer pipe pipe, directly
It connects alignment body refuse stack layer to be rinsed, to reduce the energy loss of high-pressure water jet.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that:
A kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure, the pipette tips structure include steel band cover board,
Rotating dog, connecting bracket, pushes away and pulls out bracket, deflection bracket, flexible steel band, pushes away and pull out driving mechanism and deflection driven machine machine cavity
Structure；
Connecting bracket is set on the right side of the machine cavity, and setting, which pushes away, on the right side of connecting bracket pulls out bracket, pushes away and pulls out top on the right side of bracket
Deflection bracket is arranged by rotating dog in portion；The steel band cover board is circular arc covering plate structure, and steel band cover board is arranged by rotating dog
It pushes away and pulls out bracket left upper portion；
The machine cavity, connecting bracket and push away the cylindrical cavity for pulling out that frame upper is a flat mouth, the steel band
Cover board and motor gun body, connecting bracket and pushing away pulls out upper area between bracket and forms steel band channel, and flexible steel band is arranged in steel band
In channel, flexible steel band end from push away pull out bracket and deflection bracket between the other side stretch out；
It is described push away pull out driving mechanism driving steel band channel in flexible steel band retreat, adjust flexible steel band from push away pull out bracket and
The length stretched out between deflection bracket；
The opening angle of flexible steel band section of stretching out in the deflection driven mechanism controls steel band channel adjusts deflection bracket
It is rotated around rotating dog, realizes the adjusting of the angle between flexible steel band section of stretching out and flexible steel band steel band channel inner segment.
The pipette tips structure further includes housing screw, and the housing screw is arranged at left section of machine cavity；The steel band cover board
It can rotarily open around rotating dog, under the steel band cover plate closing state, be fixed in machine cavity by housing screw.
Angle minimum angles between the flexible steel band section of stretching out and flexible steel band steel band channel inner segment are 90 °.
It is described push away pull out driving mechanism include sprocket wheel, worm gear, push away pull out rotary shaft, worm tooth wheel shaft, push away pull out gear shaft and
It pushes away and pulls out driving motor；
Described push away pulls out driving motor setting in machine cavity, pushes away to pull out driving motor output shaft and push away and pull out under gear shaft
End connection, worm tooth wheel shaft lower section pull out gear shaft upper section and engage with pushing away, and worm tooth wheel shaft upper section is engaged with worm gear, and worm gear is set
It sets and pulls out in rotary shaft pushing away, push away to pull out rotary shaft and be fixed on to push away and pull out on bracket, sprocket wheel, sprocket wheel and flexible steel is arranged in worm gear axial sides
Band engagement；
Described push away pulls out the rotation of driving motor drive sprocket, to drive flexible steel band mobile, realization pushes away flexible steel band
Pull out movement.
It is described to push away that pull out driving mechanism further include pushing away to pull out encoder gear axis and encoder；Described push away is pulled out encoder gear axis and is pulled out with pushing away
Gear shaft is arranged in parallel, and pushes away and pulls out encoder gear axis upper section and engage with worm tooth wheel shaft lower section, pushes away and pull out encoder gear axis lower end
It is connect with encoder；
The encoder will push away pulls out driving motor revolving speed as signal and feeds back to control module, and control module is according to obtaining
Signal record, which pushes away, pulls out sprocket circle number, and calculates and record the length for pushing away and pulling out between flexible steel band disengaging heat-transfer pipe pipe.
The deflection driven mechanism is including being oriented to side plate, deflection screw rod, deflection nut, pin, deflecting transition gear axle, inclined
Turn gear shaft, deflection motor and transition pin；
The deflection motor is arranged in machine cavity, and deflection motor output shaft is connect with deflection driven gear shaft lower end,
Deflection driven gear shaft upper section is engaged with deflection transition gear axle lower section；Transition gear axle is parallel sets with deflection for the deflection screw rod
It sets, deflection screw rod upper section is machined with gear structure, and deflection screw rod upper section gear structure is engaged with deflection transition gear axle upper section；Partially
Turn screw rod lower section and be machined with external screw thread, deflection nut is connect with deflection screw rod lower section by being threadedly engaged；
The deflection nut two sides setting guiding side plate, guiding side plate lower section are connect with deflection nut by pin, are oriented to
Side plate upper section is connect by transition pin with deflection bracket；
The deflection motor drives the rotation of deflection driven gear shaft, and drives deflection screw rod rotation by deflection transition gear axle
Turn, the rotation for deflecting screw rod drives deflection nut to move downward, and deflection nut moves downward band action-oriented side plate and moves downward, and leads
It drives deflection bracket to be rotated down around rotating dog again to side plate, realizes the deflection action of flexible steel band.
The deflection nut two sides are equipped with position detection sensor, after deflection nut drops to limit position, trigger position
It checks that sensor gives control module feedback signal, controls deflection motor stop motion.
The pipette tips structure further includes monitoring and lighting system；The monitoring includes monitoring camera and camera shooting with lighting system
Head holder；The monitoring camera is arranged on deflection bracket by camera holder, monitoring camera alignment flexible steel band
Section of stretching out.
It is equipped with purging gas circuit below the monitoring camera, blows down the water mist on monitoring cam lens.
Of the invention has the technical effect that:
(1) a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention, it is soft will to carry high pressure
Between the flexible steel band of pipe pushes away the steam generator heat-transfer pipe pipe for pulling out the disengaging square arrangement of heat-transfer pipe, directly alignment body refuse accumulation
Layer is rinsed, and to reduce the energy loss of high-pressure water jet, improves flushing effect in such a way that fixed point is rinsed.
(2) a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention, pushes away body of drawing guns and integrally ties
Structure is compact, especially circumferencial direction, can smoothly walk in steam generator hand hole and center piping lane, be directed at different biographies
Flexible irrigation is carried out between heating pipe.
(3) a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention pushes away and pulls out movement and pass through snail
Worm and gear it is self-locking, guarantee flushing process in steel band will not front and back play, improve safety.
(4) a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention pushes away and pulls out movement with volume
Code device can effectively record steel band and protrude into or exit length between heat-transfer pipe pipe, and raising pushes away the safety for pulling out movement.
(5) a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention, pushing away head of drawing guns can pass through
The opening angle for deflecting pinch roller adjustment steel band, had both facilitated the installation of steel band, while can also make the flexibility entered in steam generator
Steel band is stretched out along the direction perpendicular to center piping lane, between smooth disengaging heat-transfer pipe pipe.
(6) a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention, yaw motion is in the limit
Position is equipped with position-detection sensor, improves the safety of yaw motion.
(7) a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention, pushes away a front end of drawing guns and sets
There are camera, blow device and lighting device, between whether capable of being directed at heat-transfer pipe pipe with the picture real-time monitoring steel band of high quality, mentions
High security.
Detailed description of the invention
Fig. 1 is a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure schematic diagram of the present invention；
Fig. 2 pushes away for a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention stirs work transmission knot
Structure schematic diagram；
Fig. 3 is a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure deflection action transmission knot of the present invention
Structure schematic diagram；
Fig. 4 is that a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure camera of the present invention monitors structure
Schematic diagram；
In figure: 1- steel band cover board；2- rotating dog；3- machine cavity；4- connecting bracket；5-, which is pushed away, pulls out bracket；6- deflects bracket；
7- sprocket wheel；8- worm gear；9-, which is pushed away, pulls out rotary shaft；10- worm tooth wheel shaft；11-, which is pushed away, pulls out gear shaft；12-, which is pushed away, pulls out driving motor；
13-, which is pushed away, pulls out encoder gear axis；14- encoder；15- is oriented to side plate；16- deflects screw rod；17- deflects nut；18- pin；19- is inclined
Turn transition gear axle；20- deflection driven gear shaft；21- deflection motor；22- monitors camera；23- camera holder；24- mistake
Cross pin；25- housing screw；26- flexible steel band.
Specific embodiment
A kind of steam generator secondary side tube sheet flexibility body refuse of the present invention is rushed with attached drawing With reference to embodiment
Wash the detailed description of pipette tips structure.
As shown in Figures 1 to 4, a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention, packet
Steel band cover board 1 is included, rotating dog 2, machine cavity 3, connecting bracket 4, pushes away and pulls out bracket 5, deflection bracket 6, flexible steel band 26, pushes away and pull out drive
Motivation structure and deflection driven mechanism；
As shown in Figure 1, connecting bracket 4 is arranged on the right side of the machine cavity 3, setting, which pushes away, on the right side of connecting bracket 4 pulls out bracket 5,
Push away pull out 5 for right hand top of bracket by rotating dog 2 setting deflection bracket 6；The steel band cover board 1 is circular arc covering plate structure, steel band lid
Plate 1 is arranged by rotating dog 2 pulls out 5 for left upper portion of bracket pushing away；
The machine cavity 3, connecting bracket 4 and push away the cylindrical cavity for pulling out that 5 top of bracket is a flat mouth, the steel
Cover plate 1 and motor gun body 3, connecting bracket 4 and pushing away pulls out upper area between bracket 5 and forms steel band channel, and flexible steel band 26 is set
Set in steel band channel, 26 end of flexible steel band from push away pull out bracket 5 and deflection bracket 6 between the other side stretch out；
The steel band cover board 1 can be rotarily opened around rotating dog 2, facilitate flexible steel band under 1 Unscrew state of steel band cover board
26 handling；
The flexible steel band 26 pulled out in driving mechanism driving steel band channel that pushes away is retreated, and is adjusted flexible steel band 26 from pushing away and is pulled out branch
The length stretched out between frame 5 and deflection bracket 6；
The opening angle of 26 section of stretching out of flexible steel band in the deflection driven mechanism controls steel band channel adjusts deflection support
Frame 6 is rotated around rotating dog 2, to realize the angle between 26 steel band channel inner segment of 26 section of stretching out of flexible steel band and flexible steel band
It adjusts.
A kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention further includes housing screw 25, institute
It states housing screw 25 to be arranged under 3 left sections of machine cavity, 1 closed state of steel band cover board, motor is fixed on by housing screw 25
On cavity 3.
Angle minimum angles between 26 steel band channel inner segment of 26 section of stretching out of flexible steel band and flexible steel band are 90 °.
As shown in Fig. 2, described push away pulls out driving mechanism and includes sprocket wheel 7, worm gear 8, pushes away and pull out rotary shaft 9, worm tooth wheel shaft 10, push away
It pulls out gear shaft 11 and pushes away and pull out driving motor 12；
Described push away pulls out the setting of driving motor 12 in machine cavity 3, pushes away to pull out 12 for output shaft of driving motor and push away and pulls out sliding tooth
The connection of 11 lower end of wheel shaft, 10 lower section of worm tooth wheel shaft pull out 11 for upper section of gear shaft and engage with pushing away, 10 upper section of worm tooth wheel shaft and
Worm gear 8 engages, and the setting of worm gear 8 is pulled out in rotary shaft 9 pushing away, and pushes away to pull out rotary shaft 9 and be fixed on to push away and pull out on bracket 5,8 axial sides of worm gear
Sprocket wheel 7 is set, and sprocket wheel 7 is engaged with flexible steel band 26；
Described push away pulls out the rotation of 12 drive sprocket 7 of driving motor, to drive flexible steel band 26 mobile, realizes to flexible steel band
Movement is pulled out in 26 push away；
It is described to push away that pull out driving mechanism further include pushing away to pull out encoder gear axis 13 and encoder 14；Described push away pulls out encoder gear axis 13
It pulls out gear shaft 11 with pushing away and is arranged in parallel, push away and pull out 13 for upper section of encoder gear axis and engaged with 10 lower section of worm tooth wheel shaft, push away and pull out volume
13 lower end of code gear shaft is connect with encoder 14；
The encoder 14, which will push away, to be pulled out 12 for revolving speed of driving motor as signal and feeds back to control module, and control module is according to obtaining
Number is enclosed in the signal record movement of sprocket wheel 7 obtained, in prediction on such basis the length between the record disengaging heat-transfer pipe pipe of flexible steel band 26.
As shown in figure 3, the deflection driven mechanism includes guiding side plate 15, deflection screw rod 16, deflection nut 17, pin
18, transition gear axle 19, deflection driven gear shaft 20, deflection motor 21 and transition pin 24 are deflected；
The deflection motor 21 is arranged in machine cavity 3, under 21 output shaft of deflection motor and deflection driven gear shaft 20
End connection, 20 upper section of deflection driven gear shaft are engaged with deflection 19 lower section of transition gear axle；The deflection screw rod 16 with deflect past
It crosses gear shaft 19 to be arranged in parallel, deflection 16 upper section of screw rod is machined with gear structure, deflection 16 upper section gear structure of screw rod and deflection
The engagement of 19 upper section of transition gear axle；Deflection 16 lower section of screw rod is machined with external screw thread, and deflection nut 17 and deflection 16 lower section of screw rod are logical
It crosses and is threadedly engaged connection；
17 two sides of the deflection nut setting guiding side plate 15, guiding 15 lower section of side plate pass through pin 18 and deflection nut 17
Connection, guiding 15 upper section of side plate are connect by transition pin 24 with deflection bracket 6；
The deflection motor 21 drives deflection driven gear shaft 20 to rotate, and drives deflection by deflection transition gear axle 19
Screw rod 16 rotates, and the rotation of deflection screw rod 16 drives deflection nut 17 to move downward, and deflection nut 17 moves downward band action-oriented
Side plate 15 moves downward, and guiding side plate 15 drives deflection bracket 6 to be rotated down around rotating dog 2 again, realizes the inclined of flexible steel band 26
Rotation is made；
17 two sides of deflection nut are equipped with position detection sensor, after deflection nut 17 drops to limit position, triggering
Position detection sensor gives control module feedback signal, controls 21 stop motion of deflection motor.
As shown in figure 4, a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure of the present invention further includes prison
Depending on lighting system；The monitoring includes monitoring camera 22 and camera holder 23 with lighting system；The monitoring camera
22 are arranged on deflection bracket 6 by camera holder 23, and monitoring camera 22 is deflected with the rotation of deflection bracket 6, protect
Card monitoring camera 22 is directed at the section of stretching out of flexible steel band 26 always, monitors and is equipped with purging gas circuit below camera 22, blows down prison
Depending on the water mist on 22 camera lens of camera, monitoring video pictures quality is improved.
Claims (9)
1. a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure, it is characterised in that: the pipette tips structure includes
Steel band cover board, rotating dog, machine cavity, connecting bracket, push away pull out bracket, deflection bracket, flexible steel band, push away pull out driving mechanism and partially
Turn driving mechanism；
Connecting bracket is set on the right side of the machine cavity, and setting, which pushes away, on the right side of connecting bracket pulls out bracket, pushes away that pull out bracket right hand top logical
Cross rotating dog setting deflection bracket；The steel band cover board is circular arc covering plate structure, and steel band cover board is pulled out by rotating dog setting pushing away
Bracket left upper portion；
The machine cavity, connecting bracket and the cylindrical cavity for pulling out that frame upper is a flat mouth is pushed away, the steel band cover board
Upper area between bracket is pulled out with motor gun body, connecting bracket and pushing away and forms steel band channel, and flexible steel band is arranged in steel band channel
It is interior, flexible steel band end from push away pull out bracket and deflection bracket between the other side stretch out；
The flexible steel band pulled out in driving mechanism driving steel band channel that pushes away is retreated, and is adjusted flexible steel band from pushing away and is pulled out bracket and deflection
The length stretched out between bracket；
The opening angle of flexible steel band section of stretching out in the deflection driven mechanism controls steel band channel adjusts deflection bracket around rotation
It ships and resell on another market rotation, realizes the adjusting of the angle between flexible steel band section of stretching out and flexible steel band steel band channel inner segment.
2. a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure according to claim 1, feature
Be: the pipette tips structure further includes housing screw, and the housing screw is arranged at left section of machine cavity；The steel band cover board can be around
Rotating dog rotarily opens, and under the steel band cover plate closing state, is fixed in machine cavity by housing screw.
3. a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure according to claim 1, feature
Be: the angle minimum angles between the flexible steel band section of stretching out and flexible steel band steel band channel inner segment are 90 °.
4. a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure according to claim 1, feature
Be: described push away pulls out driving mechanism and includes sprocket wheel, worm gear, pushes away and pull out rotary shaft, worm tooth wheel shaft, push away to pull out gear shaft and push away and pull out
Driving motor；
Described push away pulls out driving motor setting in machine cavity, pushes away to pull out driving motor output shaft and push away and pulls out gear shaft lower end company
It connects, worm tooth wheel shaft lower section pulls out gear shaft upper section and engages with pushing away, and worm tooth wheel shaft upper section is engaged with worm gear, and worm gear setting exists
It pushes away and pulls out in rotary shaft, push away to pull out rotary shaft and be fixed on to push away and pull out on bracket, sprocket wheel is arranged in worm gear axial sides, and sprocket wheel is nibbled with flexible steel band
It closes；
Described push away pulls out the rotation of driving motor drive sprocket, to drive flexible steel band mobile, realization pulls out fortune to pushing away for flexible steel band
It is dynamic.
5. a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure according to claim 4, feature
It is: described to push away that pull out driving mechanism further include pushing away to pull out encoder gear axis and encoder；Described push away pulls out encoder gear axis and pushes away and pull out drive
Movable gear shaft is arranged in parallel, and pushes away and pulls out encoder gear axis upper section and engage with worm tooth wheel shaft lower section, push away pull out encoder gear axis lower end with
Encoder connection；
The encoder, which will push away, to be pulled out driving motor revolving speed as signal and feeds back to control module, and control module is according to the signal obtained
Record, which pushes away, pulls out sprocket circle number, and calculates and record the length for pushing away and pulling out between flexible steel band disengaging heat-transfer pipe pipe.
6. a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure according to claim 1, feature
Be: the deflection driven mechanism includes guiding side plate, deflection screw rod, deflection nut, pin, deflection transition gear axle, deflection
Gear shaft, deflection motor and transition pin；
The deflection motor is arranged in machine cavity, and deflection motor output shaft is connect with deflection driven gear shaft lower end, deflection
Gear shaft upper section is engaged with deflection transition gear axle lower section；The deflection screw rod is arranged in parallel with deflection transition gear axle,
Deflection screw rod upper section is machined with gear structure, and deflection screw rod upper section gear structure is engaged with deflection transition gear axle upper section；Deflection
Screw rod lower section is machined with external screw thread, and deflection nut is connect with deflection screw rod lower section by being threadedly engaged；
The deflection nut two sides setting guiding side plate, guiding side plate lower section are connect by pin with deflection nut, and side plate is oriented to
Upper section is connect by transition pin with deflection bracket；
The deflection motor drives the rotation of deflection driven gear shaft, and drives deflection screw rod rotation by deflection transition gear axle,
The rotation of deflection screw rod drives deflection nut to move downward, and deflection nut moves downward band action-oriented side plate and moves downward, and is oriented to
Side plate drives deflection bracket to be rotated down around rotating dog again, realizes the deflection action of flexible steel band.
7. a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure according to claim 6, feature
Be: the deflection nut two sides are equipped with position detection sensor, after deflection nut drops to limit position, trigger position inspection
Sensor gives control module feedback signal, controls deflection motor stop motion.
8. a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure according to claim 1, feature
Be: the pipette tips structure further includes monitoring and lighting system；The monitoring includes monitoring camera and camera with lighting system
Holder；The monitoring camera is arranged on deflection bracket by camera holder, and monitoring camera alignment flexible steel band is stretched
Section out.
9. a kind of steam generator secondary side tube sheet flexibility body refuse sluice gun header structure according to claim 8, feature
It is: is equipped with purging gas circuit below the monitoring camera, blows down the water mist on monitoring cam lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459743.5A CN109967424B (en) | 2017-12-28 | 2017-12-28 | Flexible mud residue flushing gun head structure of secondary side tube plate of steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459743.5A CN109967424B (en) | 2017-12-28 | 2017-12-28 | Flexible mud residue flushing gun head structure of secondary side tube plate of steam generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109967424A true CN109967424A (en) | 2019-07-05 |
| CN109967424B CN109967424B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711459743.5A Active CN109967424B (en) | 2017-12-28 | 2017-12-28 | Flexible mud residue flushing gun head structure of secondary side tube plate of steam generator |
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| CN (1) | CN109967424B (en) |
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| CN113477592A (en) * | 2021-07-13 | 2021-10-08 | 苏州热工研究院有限公司 | Cleaning device and method for secondary side hard sludge of steam generator |
| CN115739871A (en) * | 2022-10-27 | 2023-03-07 | 中核武汉核电运行技术股份有限公司 | Hydraulic impact grinding device suitable for deposited sludge between heat transfer pipes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477592A (en) * | 2021-07-13 | 2021-10-08 | 苏州热工研究院有限公司 | Cleaning device and method for secondary side hard sludge of steam generator |
| CN115739871A (en) * | 2022-10-27 | 2023-03-07 | 中核武汉核电运行技术股份有限公司 | Hydraulic impact grinding device suitable for deposited sludge between heat transfer pipes |
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| CN109967424B (en) | 2023-10-20 |
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