CN203732070U - Measurement device for center line of hoisting hole of barrel flange of reactor internal - Google Patents
Measurement device for center line of hoisting hole of barrel flange of reactor internal Download PDFInfo
- Publication number
- CN203732070U CN203732070U CN201420081074.8U CN201420081074U CN203732070U CN 203732070 U CN203732070 U CN 203732070U CN 201420081074 U CN201420081074 U CN 201420081074U CN 203732070 U CN203732070 U CN 203732070U
- Authority
- CN
- China
- Prior art keywords
- panel
- hoisting hole
- plate
- web joint
- hoist
- 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.)
- Expired - Lifetime
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000691 measurement method Methods 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model belongs to an in-service maintenance technology of reactor internals in a pressurized water reactor nuclear power plant, and particularly discloses a measurement device for a center line of a hoisting hole of a barrel flange of a reactor internal. The measurement device comprises a panel, a connecting plate, an adjusting plate and a datum plate, wherein two positioning pins are arranged on the panel; the diameter of each positioning pin is equal to a pore diameter D of the hoisting hole; and a distance between central axes of the two positioning pins is equal to a distance between two adjacent hoisting holes of the barrel flange of the reactor internal. A measurement method comprises the steps as follows: the diameter D of a target hoisting hole and a distance between the target hoisting hole and another adjacent hoisting hole are measured firstly; then the measurement device is utilized; and the outer side surface of the datum plate is determined as the datum plane of the center line of the target hoisting hole. The target hoisting hole required to be measured is simulated by the positioning pins, and then the datum plate is mounted by the panel, the connecting plate and the adjusting plate, so that the reference position of the center line of the target hoisting hole can be visually reflected by the datum plate, the measurement is accurate and convenient, and the positioning is precise.
Description
Technical field
The utility model belongs to the in-service maintenance technique of PWR nuclear power plant in-pile component, is specifically related to a kind of measurement mechanism of hanging basket flange hole for hoist center line.
Background technology
In the in-service maintenance of in-pile component, require, after the multiple fuel recycles of nuclear power generating sets, feet is occurred to the irradiation pipe holder of defect changes.Irradiation pipe holder is fixed in the cradle cylinder body outside wall surface that is positioned at reactor pressure vessel, lays for monitoring pressure container cylindrical shell and be subject to neutron irradiation and thermal environment to affect the irradiation monitoring pipe of caused changes in material properties in it.Irradiation sample in irradiation monitoring pipe needs regularly to test from piling interior extraction, can holding structure integrality under normal and accident conditions with proved response core pressure vessel.
After multiple fuel recycle operations, the irradiation dose on hanging basket surface is high, and people cannot close contact.Hanging basket need be placed to boric acid and carry out radiation shield under water, on personnel's workbench on the water, carry out inspection operation.Can successfully put into support or therefrom take out via hanging basket flange hole for hoist for guarantee irradiation monitoring pipe, the right alignment between tube hub and the hole for hoist center of the irradiation pipe holder of the installation of looking for novelty be within 1mm.
Ensure the right alignment between tube hub and the hanging basket flange hole for hoist center of irradiation pipe holder, first will determine the center line of hole for hoist.
Summary of the invention
The purpose of this utility model is to provide a kind of in-pile component hanging basket flange hole for hoist centre line measuring device that can accurately measure hole for hoist center line.
The technical solution of the utility model is as follows:
A kind of in-pile component hanging basket flange hole for hoist centre line measuring device, it comprises web joint, adjustment plate and datum plate below panel, panel, described panel is provided with two register pins, described panel below is vertically provided with web joint, described web joint is positioned at the dead ahead of one of them register pin, the lower end of described web joint is provided with the adjustment plate of level, and one end of described adjustment plate is connected with the lower end of above-mentioned web joint, and the other end is connected with the upper end of the vertically arranged datum plate of its below; The diameter of described register pin must be hole for hoist aperture D, and the distance between two described register pin central axis must be the pitch-row of adjacent two holes for hoist of in-pile component hanging basket flange.
In above-mentioned in-pile component hanging basket flange hole for hoist centre line measuring device: described panel, web joint, adjustment plate and datum plate all adopt aluminium alloy or stainless steel manufacture.
In above-mentioned in-pile component hanging basket flange hole for hoist centre line measuring device: described measurement mechanism is also included in the collet poppet of installing on panel, two described register pins are symmetrical installation centered by collet poppet.
The beneficial effects of the utility model are: measurement mechanism is simulated the target hole for hoist that needs measurement by register pin, recycling panel, web joint and adjustment plate reference for installation plate, make datum plate can reflect intuitively the center line reference position of target hole for hoist, such measurement mechanism records position of center line indirectly, and project organization is simply small and exquisite simultaneously; Due to the critical piece of measurement mechanism, as the parts such as web joint, panel, adjustment plate and datum plate adopt aluminium alloy or stainless steel manufacture, make that whole measurement mechanism quality is light, intensity is high;
Due to collet poppet being installed on panel, operating personnel can be lifted by this device of operated from a distance in addition, protection operating personnel avoid nuclear pollution.
Brief description of the drawings
Fig. 1 is in-pile component hanging basket flange hole for hoist centre line measuring device schematic diagram;
Fig. 2 is the side view of Fig. 1;
In figure: 1. collet poppet; 2. panel; 3. register pin; 4. web joint; 5. adjust plate; 6. datum plate; 7. datum plate lateral surface.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As depicted in figs. 1 and 2, collet poppet 1 is installed on panel 2, two register pins 3 are also installed simultaneously, these two register pins 3 are with symmetrical installation of axis of collet poppet 1, on panel 2, be vertically installed with web joint 4, installed and adjust plate 5 in the lower horizontal of panel 2 by web joint 4, one end of adjusting plate 5 is connected with the lower end of above-mentioned web joint 4, and the other end of adjusting plate 5 is connected with the upper end of the vertically arranged datum plate 6 of its below.The length of adjusting plate 5 makes the dead in line of datum plate lateral surface 7 and an above-mentioned register pin 3.
When installation, the plane A of the axis composition of above-mentioned two register pins 3 is parallel with the panel of above-mentioned web joint 4, web joint 4 is positioned at the dead ahead of one of them register pin 3 simultaneously, and the axis of this register pin 3 is vertical with upper plane A with the plane B of the center line composition of web joint 4.The length that is thus connected the adjustment plate 5 of plate 4 belows determined its connection datum plate 6 lateral surface 7 whether can with the central axes of the register pin 3 at web joint 4 rears.
The diameter of two register pins 3 in this measurement mechanism must be hole for hoist aperture D in addition.
Distance between two register pin 3 central axis must be the pitch-row of adjacent two holes for hoist of in-pile component hanging basket flange.
In addition, the panel 2 of above-mentioned measurement mechanism, web joint 4, adjustment plate 5 and datum plate 6 all adopt aluminium alloy or the stainless steel manufacture of the aqueous corrosion of resistance to boric acid and irradiation.
Claims (3)
1. an in-pile component hanging basket flange hole for hoist centre line measuring device, it is characterized in that: it comprises panel (2), the web joint (4) of panel (2) below, adjust plate (5) and datum plate (6), described panel (2) is provided with two register pins (3), described panel (2) below is vertically provided with web joint (4), described web joint (4) is positioned at the dead ahead of one of them register pin (3), the lower end of described web joint (4) is provided with the adjustment plate (5) of level, one end of described adjustment plate (5) is connected with the lower end of above-mentioned web joint (4), the other end is connected with the upper end of the vertically arranged datum plate (6) of its below, the diameter of described register pin (3) must be hole for hoist aperture D, and the distance between described two register pins (3) central axis must be the pitch-row of adjacent two holes for hoist of in-pile component hanging basket flange.
2. in-pile component hanging basket flange hole for hoist centre line measuring device as claimed in claim 1, is characterized in that: described panel (2), web joint (4), adjustment plate (5) and datum plate (6) all adopt aluminium alloy or stainless steel manufacture.
3. in-pile component hanging basket flange hole for hoist centre line measuring device as claimed in claim 1, it is characterized in that: described measurement mechanism is also included in the upper collet poppet (1) of installing of panel (2), and described two register pins (3) are symmetrical installation centered by collet poppet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081074.8U CN203732070U (en) | 2014-02-25 | 2014-02-25 | Measurement device for center line of hoisting hole of barrel flange of reactor internal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081074.8U CN203732070U (en) | 2014-02-25 | 2014-02-25 | Measurement device for center line of hoisting hole of barrel flange of reactor internal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732070U true CN203732070U (en) | 2014-07-23 |
Family
ID=51202136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420081074.8U Expired - Lifetime CN203732070U (en) | 2014-02-25 | 2014-02-25 | Measurement device for center line of hoisting hole of barrel flange of reactor internal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251695A (en) * | 2014-09-05 | 2014-12-31 | 上海第一机床厂有限公司 | Laser centering measure system and centering measure method thereof |
| CN104864856A (en) * | 2014-02-25 | 2015-08-26 | 上海核工程研究设计院 | Reactor internal hanging basket flange hoisting aperture center line measurement device and method |
-
2014
- 2014-02-25 CN CN201420081074.8U patent/CN203732070U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864856A (en) * | 2014-02-25 | 2015-08-26 | 上海核工程研究设计院 | Reactor internal hanging basket flange hoisting aperture center line measurement device and method |
| CN104251695A (en) * | 2014-09-05 | 2014-12-31 | 上海第一机床厂有限公司 | Laser centering measure system and centering measure method thereof |
| CN104251695B (en) * | 2014-09-05 | 2016-09-14 | 上海第一机床厂有限公司 | System and centering measurement method thereof are measured in a kind of laser alignment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: Shanghai Nuclear Engineering Research & Design Institute |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |