CN205518753U - First backup pad lower surface water conservancy washing unit of steam generator secondary side - Google Patents
First backup pad lower surface water conservancy washing unit of steam generator secondary side Download PDFInfo
- Publication number
- CN205518753U CN205518753U CN201620183835.XU CN201620183835U CN205518753U CN 205518753 U CN205518753 U CN 205518753U CN 201620183835 U CN201620183835 U CN 201620183835U CN 205518753 U CN205518753 U CN 205518753U
- Authority
- CN
- China
- Prior art keywords
- steam generator
- assembly
- gun barrel
- barrel
- secondary side
- 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.)
- Active
Links
Abstract
The utility model relates to a steam generator rigidity mud sediment washing technology field specifically discloses a first backup pad lower surface water conservancy washing unit of steam generator secondary side. Head assembly supports the flange and is arranged in the fixed of head assembly drive arrangement including supporting flange, swing unit and step -by -step unit among the the device, simultaneously, makes head assembly fix on steam generator hand hole flange, swing unit and step -by -step unit are used for driving the swing, step -by -step of barrel subassembly, make the nozzle of barrel subassembly can correctly aim at the intertube, guide Assembly can fix in flow distribution board top, and the barrel subassembly can be driven by head assembly, the step -by -step removal of guide rail along the guide Assembly in. The device barrel component integration rack gear makes overall structure reduce, and the first backup pad lower surface of adaptation steam generator washes the constrictive requirement in space, track structure is simple, and the centre gripping is firm, and the skew can not appear in step -by -step in -process, and that improves first backup pad lower surface washes efficiency and accuracy.
Description
Technical field
The invention belongs to steam generator rigid sludge douching technique field, be specifically related to a kind of steam generator secondary side the first gripper shoe lower surface hydrodynamic cleaning device.
Background technology
Serious consequence steam generator being likely to result in due to subsidence settling, the important component part being cleared into nuclear power station steam generator maintenance management of body refuse, the problem solving subsidence settling preferably, increases anti-first gripper shoe lower surface on the basis of original vaporizer secondary side tube sheet rinses flow process and rinses.
Current body refuse sluice gun rinses mainly for steam generator secondary side tube sheet, within hand hole, the following free space of flow distribution baffle is bigger, and when carrying out the flushing of steam generator the first gripper shoe lower surface, body refuse sluice gun must be placed on more than flow distribution baffle along hand hole, dimensional space is less, and existing body refuse sluice gun cannot meet the rinsing requirement that the first gripper shoe lower surface rinses.
Summary of the invention
It is an object of the invention to provide a kind of steam generator secondary side the first gripper shoe lower surface hydrodynamic cleaning device, solve existing body refuse sluice gun structure and cannot adapt to steam generator the first gripper shoe lower surface rinsing requirement.
Technical scheme is as follows: a kind of steam generator secondary side the first gripper shoe lower surface hydrodynamic cleaning device, this flusher includes nose assembly, barrel assembly and guide assembly, wherein, nose assembly includes pivot flange, swing unit and stepping unit, pivot flange driving means fixing in the nose assembly, meanwhile, nose assembly is made to be fixed on steam generator hand hole flange；Swing unit and stepping unit, for driving the swing of barrel assembly, stepping, make the nozzle of barrel assembly can be correctly aligned between pipe；Guide assembly can be fixed on above flow distribution baffle, and barrel assembly can be driven by nose assembly, moves along the guide rail stepping in guide assembly.
Described barrel assembly includes swivel joint, gun barrel A, gun barrel B and nozzle block, wherein, the adaptor being arranged on swivel joint is stepped cylindrical body structure, gun barrel A and gun barrel B mates successively and is enclosed within adaptor, and coupling is cased with nozzle block in the stepped cylindrical body structure of gun barrel B front end, makes adaptor, gun barrel A, gun barrel B and nozzle block shaping form center and have the cylindrical structure of passage.
Described guide assembly includes long bolt, guide rail, fixing seat and sliding seat, and wherein, guide rail is the rectangular configuration that upper end has grooved tracks, and its right side front forms hook structure；It is fixed with fixing seat on the left of guide rail under rear end, and has screwed hole on fixing seat；Sliding seat on the right side of fixing seat snaps in one section of chute below guide rail；Long bolt sequentially passes through sliding seat and fixing seat on the right side of sliding seat, and utilizes the hook being fixed on sliding seat to compress the end on the right side of long bolt, and the helicitic texture on the left of long bolt matches with fixing seat；By rotating long bolt, sliding seat can be driven to move along guide rail relative to fixing seat.
The contact surface that described adaptor, gun barrel A, gun barrel B are connected two-by-two with nozzle block is provided with O RunddichtringO A and O RunddichtringO B and seals, and meanwhile, is provided with spring catch at the position connected two-by-two.
Have the tooth bar matched with stepping unit in nose assembly on described gun barrel A, and tooth bar tooth top is less than gun barrel A external diameter great circle.
The through hole of connection central passage is had on described nozzle block outer wall.
On the described long bolt on the left of fixing seat, tight split nut is installed.
The remarkable result of the present invention is: a kind of steam generator secondary side the first gripper shoe lower surface hydrodynamic cleaning device of the present invention, the integrated rack gear of barrel assembly, make overall structure reduce, adapt to steam generator the first gripper shoe lower surface and rinse space-constrained requirement；Guide rail structure is simple, firm grip, meets barrel assembly and supports and guide requirement, it is ensured that the nozzle of body refuse sluice gun is correctly aligned between pipe, does not haves skew during stepping, improves flush efficiency and the accuracy of the first gripper shoe lower surface.
Accompanying drawing explanation
Fig. 1 is a kind of steam generator secondary side the first gripper shoe lower surface hydrodynamic cleaning apparatus structure schematic diagram of the present invention；
Fig. 2 is barrel assembly structural representation in Fig. 1；
Fig. 3 is Fig. 1 middle guide modular construction schematic diagram；
In figure: 1, nose assembly；2, barrel assembly；3, guide assembly；4, swivel joint；5, adaptor；6, O RunddichtringO A；7, O RunddichtringO B；8, gun barrel A；9, spring catch；10, gun barrel B；11, slide block；12, nozzle block；13, long bolt；14, guide rail；15, fixing seat；16, tight split nut；17, sliding seat；18, hook.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the present invention is described in further detail by specific embodiment.
As shown in Figures 1 to 3, a kind of steam generator secondary side the first gripper shoe lower surface hydrodynamic cleaning device, including nose assembly 1, barrel assembly 2 and guide assembly 3, wherein, nose assembly 1 includes pivot flange, swing unit and stepping unit, pivot flange installation of driving means in nose assembly 1 is fixed, and makes nose assembly 1 be fixed on steam generator hand hole flange simultaneously；Swing unit and stepping unit, for driving the swing of barrel assembly 2, stepwise operation, make the nozzle of barrel assembly can be correctly aligned between pipe, it is ensured that the flush efficiency of high-pressure spray water and precision；Barrel assembly 2 includes swivel joint 4, gun barrel A8, gun barrel B10 and nozzle block 12, wherein, the adaptor 5 being arranged on swivel joint 4 is stepped cylindrical body structure, gun barrel A8 and gun barrel B10 mates successively and is enclosed within adaptor 5, and coupling is cased with nozzle block 12 in the stepped cylindrical body structure of gun barrel B10 front end, make adaptor 5, gun barrel A8, gun barrel B10 and nozzle block 12 shaping form center and have the cylindrical structure of passage, and mounting O-shaped sealing ring A6 and O RunddichtringO B7 seals on the contact surface connected two-by-two, simultaneously, at the position connected two-by-two, spring catch 9 is installed, wherein, nozzle block 12 outer wall has the through hole of connection central passage；Guide assembly 3 includes long bolt 13, guide rail 14, fixing seat 15 and sliding seat 17, and wherein, guide rail 14 has the rectangular configuration of grooved tracks for upper end, and its right side front forms hook structure；It is fixed with fixing seat 15 on the left of guide rail 14 under rear end, and has screwed hole on fixing seat 15；Sliding seat 17 on the right side of fixing seat 15 snaps in one section of chute below guide rail 14；Long bolt 13 sequentially passes through sliding seat 17 and fixing seat 15 on the right side of sliding seat 17, and utilize the hook 18 being fixed on sliding seat 17 to compress the end on the right side of long bolt 13, helicitic texture on the left of long bolt 13 matches with fixing seat 15, and is provided with tight split nut 16 on the long bolt 13 on the left of fixing seat 15；By rotating long bolt 13, sliding seat 17 can be driven to move along guide rail 14 relative to fixing seat 15.
A kind of steam generator secondary side the first gripper shoe lower surface hydrodynamic cleaning device specific works process of the present invention is: adjust the long bolt 13 of guide assembly 3, make sliding seat 17 near fixing seat 15, guide assembly 3 is put into above flow distribution baffle on the upside of steam generator hand hole, guide rail 14 is made to be suspended in flow distribution baffle on STH, rotate long bolt 14, sliding seat 19 is promoted to move forward, hook 18 is made to clamp the tapping at flow distribution baffle hand hole, tighten tight split nut 16, prevent guide assembly 3 from getting loose；The gun barrel B10 of barrel assembly 2 is overlapped top shoe 11, and front end connects nozzle block 12, and rear end connects gun barrel A8, then is directed at by slide block 11 in the chute loading guide assembly 3 middle guide 14, front and back promotes gun barrel, checks gun barrel moves back and forth whether there is jam；The center of nose assembly 1 is directed at the gun barrel assembled, makes the step gear of tooth bar alignment nose assembly 1 on gun barrel A8, finally reconnect the swivel joint 4 with adaptor 5, complete the installation of body refuse flusher.Connect high service pipeline and head cable, manually adjust the position of barrel assembly 2 nozzle block 12, it is made to be directed between steam generator the first comb, start control system, program reciprocally swinging under the effect of head 1 that barrel assembly 2 is set-mounted, step between next group pipe after completing to rinse work, reciprocally swinging carries out the first gripper shoe lower surface flushing between next group pipe again, rinse until completing half side steam generator the first gripper shoe lower surface, again body refuse flusher is removed and install to offside hand hole flange, carry out second half steam generator the first gripper shoe lower surface to rinse.
Claims (7)
1. steam generator secondary side the first gripper shoe lower surface hydrodynamic cleaning device, it is characterised in that:
This flusher includes nose assembly (1), barrel assembly (2) and guide assembly (3), wherein, head
Assembly (1) includes pivot flange, swing unit and stepping unit, and pivot flange is used for nose assembly (1)
Fixing of middle driving means, meanwhile, makes nose assembly (1) be fixed on steam generator hand hole flange；Pendulum
Moving cell and stepping unit are used for driving the swing of barrel assembly (2), stepping, make barrel assembly (2)
Nozzle can be correctly aligned between pipe；Guide assembly (3) can be fixed on above flow distribution baffle, barrel assembly (2)
Can be driven by nose assembly (1), move along the guide rail stepping in guide assembly (3).
A kind of steam generator secondary side the first gripper shoe lower surface waterpower punching the most according to claim 1
Cleaning device, it is characterised in that: described barrel assembly (2) include swivel joint (4), gun barrel A (8),
Gun barrel B (10) and nozzle block (12), wherein, the adaptor (5) being arranged on swivel joint (4)
Mate successively for stepped cylindrical body structure, gun barrel A (8) and gun barrel B (10) and be enclosed within adaptor (5),
And in the stepped cylindrical body structure of gun barrel B (10) front end coupling be cased with nozzle block (12), make adaptor (5),
Gun barrel A (8), gun barrel B (10) and nozzle block (12) shaping form center and have the cylindrical structure of passage.
A kind of steam generator secondary side the first gripper shoe lower surface waterpower punching the most according to claim 1
Cleaning device, it is characterised in that: described guide assembly (3) includes long bolt (13), guide rail (14), consolidates
Reservation (15) and sliding seat (17), wherein, guide rail (14) is the rectangle knot that upper end has grooved tracks
Structure, its right side front forms hook structure；Guide rail (14) left side is fixed with fixing seat (15) under rear end, and
Fixing seat (15) has screwed hole；The sliding seat (17) on fixing seat (15) right side snaps in guide rail (14)
In one section of chute of lower section；Long bolt (13) sequentially passes through sliding seat (17) from sliding seat (17) right side
With fixing seat (15), and the hook (18) that is fixed on sliding seat (17) is utilized to compress long bolt (13)
The end on right side, the helicitic texture in long bolt (13) left side matches with fixing seat (15)；By rotating
Long bolt (13), can drive sliding seat (17) to move along guide rail (14) relative to fixing seat (15).
A kind of steam generator secondary side the first gripper shoe lower surface waterpower punching the most according to claim 2
Cleaning device, it is characterised in that: described adaptor (5), gun barrel A (8), gun barrel B (10) and nozzle block
(12) contact surface being connected two-by-two is provided with O RunddichtringO A (6) and O RunddichtringO B (7) and carries out
Seal, meanwhile, spring catch (9) is installed at the position connected two-by-two.
A kind of steam generator secondary side the first gripper shoe lower surface waterpower punching the most according to claim 2
Cleaning device, it is characterised in that: have on described gun barrel A (8) and stepping unit in nose assembly (1)
The tooth bar matched, and tooth bar tooth top is less than gun barrel A (8) external diameter great circle.
A kind of steam generator secondary side the first gripper shoe lower surface waterpower punching the most according to claim 2
Cleaning device, it is characterised in that: have the through hole of connection central passage on described nozzle block (12) outer wall.
A kind of steam generator secondary side the first gripper shoe lower surface waterpower punching the most according to claim 3
Cleaning device, it is characterised in that: on the long bolt (13) in described fixing seat (15) left side, tight lock is installed
Nut (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620183835.XU CN205518753U (en) | 2016-03-10 | 2016-03-10 | First backup pad lower surface water conservancy washing unit of steam generator secondary side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620183835.XU CN205518753U (en) | 2016-03-10 | 2016-03-10 | First backup pad lower surface water conservancy washing unit of steam generator secondary side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205518753U true CN205518753U (en) | 2016-08-31 |
Family
ID=56781999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620183835.XU Active CN205518753U (en) | 2016-03-10 | 2016-03-10 | First backup pad lower surface water conservancy washing unit of steam generator secondary side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205518753U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152886A (en) * | 2017-05-03 | 2017-09-12 | 苏州热工研究院有限公司 | A kind of steam generator full section formula cleaning device and cleaning method |
| CN107175227A (en) * | 2016-03-10 | 2017-09-19 | 核动力运行研究所 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning device |
| CN108267045A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | A kind of rounded projections arranged heat-transfer pipe flexibility body refuse rinses pipette tips |
-
2016
- 2016-03-10 CN CN201620183835.XU patent/CN205518753U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175227A (en) * | 2016-03-10 | 2017-09-19 | 核动力运行研究所 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning device |
| CN108267045A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | A kind of rounded projections arranged heat-transfer pipe flexibility body refuse rinses pipette tips |
| CN108267045B (en) * | 2016-12-30 | 2024-01-12 | 核动力运行研究所 | Flexible mud flushing gun head for triangle-shaped arranged heat transfer tubes |
| CN107152886A (en) * | 2017-05-03 | 2017-09-12 | 苏州热工研究院有限公司 | A kind of steam generator full section formula cleaning device and cleaning method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107175227A (en) | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning device | |
| CN205518753U (en) | First backup pad lower surface water conservancy washing unit of steam generator secondary side | |
| CN204470174U (en) | A kind of steam generator body refuse sluice gun locating guide device | |
| CN206796129U (en) | A kind of die station clearing apparatus for precast concrete | |
| CN202036829U (en) | Device for cleaning inclined tube of sedimentation tank | |
| CN201930879U (en) | Square steam generator eyelet flushing rigid sludge gun | |
| CN201108909Y (en) | Special purpose equipment for cleaning pipe | |
| CN211319751U (en) | Washing unit of radioactive spent resin transmission system | |
| CN107175228A (en) | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning guider | |
| CN205868912U (en) | Guider is washed to first backup pad lower surface water conservancy of steam generator secondary side | |
| CN115184572A (en) | Wisdom is sewage quality of water monitoring devices for pipe network | |
| CN208965411U (en) | A kind of solid pier surface spraying device | |
| CN209287350U (en) | A kind of mixture iron exchange resin separator | |
| CN206351688U (en) | A kind of vacuum pumping-type feces collecting system | |
| CN201158689Y (en) | Nickel ion reclaimer | |
| CN109782288A (en) | Water supply pipe blockage detector based on acoustics | |
| CN203380689U (en) | Numerical control machine tool provided with rustproof flushing device | |
| CN109939748A (en) | A kind of mixture iron exchange resin separator | |
| CN112992395B (en) | Nuclear power plant radioactive waste resin transfer system and method | |
| CN220125681U (en) | Flushing mechanism for rotary grid dirt remover | |
| CN220412907U (en) | Landfill leachate treatment device | |
| CN215879117U (en) | A light belt cleaning device that makes a video recording for pipeline desilting robot | |
| CN217017629U (en) | Novel cleaning device for inclined tube sedimentation tank | |
| CN204866750U (en) | Granular sludge of anaerobism system anti - washing unit that takes a sample | |
| CN206144213U (en) | Clean water spray subassembly of high pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |