CN203024736U - Self-operated measuring device for radial supporting key assembly clearance - Google Patents
Self-operated measuring device for radial supporting key assembly clearance Download PDFInfo
- Publication number
- CN203024736U CN203024736U CN 201320016615 CN201320016615U CN203024736U CN 203024736 U CN203024736 U CN 203024736U CN 201320016615 CN201320016615 CN 201320016615 CN 201320016615 U CN201320016615 U CN 201320016615U CN 203024736 U CN203024736 U CN 203024736U
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- probe
- fit
- radial support
- support
- operated measuring
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- Monitoring And Testing Of Nuclear Reactors (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model belongs to the technical field of design of a nuclear reactor of a pressurized water reactor nuclear power plant, and particularly relates to a self-operated measuring device for a radial supporting key assembly clearance. The device comprises a probe, a camera, a horizontal telescopic bracket, a vertical telescopic bracket, and a mounting platform, wherein the camera is arranged at one side of the probe; the other side of the probe is connected with the front end of the horizontal telescopic bracket; the rear end of the horizontal telescopic bracket is connected with the upper end of the vertical telescopic bracket; and the lower end of the vertical telescopic bracket is connected with the mounting platform. The device has the characteristics of automatic measurement and high accuracy; the assembly clearance between the radial support key and a reactor core support block and an insert at different positions can be measured by moving the probe and controlling data collecting equipment outside a pressure container; the defect of manual measurement of the traditional operating personnel is avoided; and the limitation of entering the pressure container to measure is also avoided.
Description
Technical field
The utility model belongs to PWR nuclear power plant nuclear reactor designs technical field, is specifically related to a kind of radial support key fit-up gap self-operated measuring unit.
Background technology
The nuclear reactor in-pile component is designed with 4 and overlaps into the reactor core lower support structure that 90 degree are arranged, respectively by a radial support key, and a reactor core rest pad and two bottom radial supports composition of inserting.Inserting on radial support key and reactor core rest pad coordinates, and keeps certain fit-up gap, rotation and/or the translation of this fit-up gap to restriction cradle cylinder body lower end, and transmit horizontal load during thermal expansion and all play very important effect.Therefore radial support key and insert between the fit-up gap accuracy requirement very high, excessive or too small fit-up gap all can directly affect the installation of in-pile component and the safety and reliability in operational process.
In reactor current design, core radial support key and reactor core rest pad and insert between the fit-up gap be all to carry out on-the-spot manual measurement by operating personnel, brought series of problems to the equipment design and installation thus:
(1) owing to reserving operating space and operation possibility to manual measurement, cause some assembly could on-the-spotly install after this fit-up gap measurement is completed, reduced installation accuracy.Measure if adopt automatically, said modules can be installed in manufacturing plant in advance, has improved installation accuracy.
(2) manual measurement of this fit-up gap is also one of reactor core supporting lower plate manhole reason that must keep, and is region of stress concentration near manhole, has reduced the margin of safety of equipment.
When (3) measuring due to operating personnel, the operating space is limited, causes the measuring accuracy of some position and angle to be difficult to guarantee, has brought personal error.
(4) in later period maintenance between the stage of replacement, because there have been radiation in pressure vessel and in-pile component, therefore be unfavorable for operating personnel's manual measurement.
Summary of the invention
The purpose of this utility model is to provide a kind of high-precision, the radial support key fit-up gap self-operated measuring unit that can automatically measure, this device allows operating personnel at pressure vessel external control data acquisition equipment, just can obtain in real time the numerical value of fit-up gap, the limitation of having avoided the traditional operation personnel must enter the pressure vessel internal measurement.
For achieving the above object, technical solution adopted in the utility model is:
A kind of radial support key fit-up gap self-operated measuring unit comprises probe, camera, horizontal extension support, vertical telescope support, mounting platform; One side of probe is equipped with camera, and the opposite side of probe is connected with the front end of horizontal extension support, and the rear end of horizontal extension support is connected with the upper end of vertical telescope support, and vertically the lower end of telescope support is connected with mounting platform.
The front end of described horizontal extension support is forced syndeton, is designed with the bead that can be pressed into, and fixes with the spherical pit that probe is inner.
The lower end of described vertical telescope support is forced syndeton, is designed with the bead that can be pressed into, and fixes with the spherical pit of mounting platform inside.
Described horizontal extension support, vertically telescope support is telescopic structure, realizes movement in level, vertical direction certain limit by electronic or hydraulic way.
Described probe adopts laser mode or machine vision mode to measure, radial support key and the reactor core rest pad by scanning and probe vertical and insert between the fit-up gap, acquisition fit-up gap numerical value, and be transferred to data acquisition equipment by data line.
The compact illumination bulb is equipped with in the position at described camera real-time Transmission probe place on it.
Have four dormant bolt holes on described mounting platform, manufacture with four installing technological holes on radial support key, by four screws, mounting platform 5 is fixed on radial support key.
The obtained beneficial effect of the utility model is:
Radial support key described in the utility model fit-up gap self-operated measuring unit has automatic measurement and high-precision characteristics, by at pressure vessel external control data acquisition equipment, radial support key and reactor core back-up block and a fit-up gap of inserting thereof of can mobile probe measuring diverse location, avoid the defective of traditional operation personnel manual measurements, and must enter the limitation that pressure vessel inside is measured.
Description of drawings
Fig. 1 is radial support key described in the utility model fit-up gap self-operated measuring unit structural drawing;
In figure: 1, probe; 2, camera; 3, horizontal extension support; 4, vertical telescope support; 5, mounting platform.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, radial support key described in the utility model fit-up gap self-operated measuring unit comprises probe 1, camera 2, horizontal extension support 3, vertically telescope support 4, mounting platform 5; One side of probe 1 is equipped with camera 2, and the opposite side of probe 1 is connected with the front end of horizontal extension support 3, and the rear end of horizontal extension support 3 is connected with the upper end of vertical telescope support 4, and vertically the lower end of telescope support 4 is connected with mounting platform 5;
The front end of described horizontal extension support 3 is forced syndeton, is designed with the bead that can be pressed into, and fixes with the spherical pit of 1 inside of popping one's head in; The lower end of described vertical telescope support 4 is forced syndeton, is designed with the bead that can be pressed into, and fixes with the spherical pit of mounting platform 5 inside; Horizontal extension support 3, vertical telescope support 4 play the effect of supporting and static probe 1, have simultaneously for convenience detach and the high characteristics of bearing accuracy.
Described horizontal extension support 3, vertically telescope support 4 be telescopic structure, can realize movement in level, vertical direction certain limit by electronic or hydraulic way, thereby make probe 1 measurement range can cover the measured zone of whole radial support key needs.
Described probe 1 adopts laser mode or machine vision mode to measure, by scanning radial support key and the reactor core rest pad vertical with probe 1 and the fit-up gap between inserting, and acquisition fit-up gap numerical value, and be transferred to data acquisition equipment by data line; Described high-resolution camera 2 can real-time Transmission the position at probe 1 place, for the operating personnel of outside provide the measurement direction reference; On described camera 2, the compact illumination bulb is housed, can provides light source in case of necessity.
Have four dormant bolt holes on described mounting platform 5, manufacture with four installing technological holes on radial support key, by four screws, mounting platform 5 is fixed on radial support key.
Described probe 1, camera 2, horizontal extension support 3, vertically be connected with power lead and data line on telescope support 4, wherein data line is connected with the data acquisition equipment of pressure vessel outside, carries out data transmission.Operating personnel are externally by controlling data acquisition equipment, control the level of horizontal extension support 3, vertical telescope support 4 and vertically mobile, can real-time monitor the position at probe 1 place, and obtain radial support key and the measured value of a fit-up gap of inserting, realize high-precision automatic measurement; Simultaneously, when having avoided later period maintenance to change, operating personnel must enter the radiation risk that pressure vessel brings.
Claims (7)
1. radial support key fit-up gap self-operated measuring unit is characterized in that: this device comprises probe (1), camera (2), horizontal extension support (3), vertically telescope support (4), mounting platform (5); One side of probe (1) is equipped with camera (2), the opposite side of probe (1) is connected with the front end of horizontal extension support (3), the rear end of horizontal extension support (3) is connected with the upper end of vertical telescope support (4), and vertically the lower end of telescope support (4) is connected with mounting platform (5).
2. radial support key according to claim 1 fit-up gap self-operated measuring unit, it is characterized in that: the front end of described horizontal extension support (3) is forced syndeton, be designed with the bead that can be pressed into, fix with the spherical pit that probe (1) is inner.
3. radial support key according to claim 1 fit-up gap self-operated measuring unit, it is characterized in that: the lower end of described vertical telescope support (4) is forced syndeton, be designed with the bead that can be pressed into, fix with the spherical pit that mounting platform (5) is inner.
4. radial support key according to claim 1 fit-up gap self-operated measuring unit, it is characterized in that: described horizontal extension support (3), vertically telescope support (4) is telescopic structure, realizes movement in level, vertical direction certain limit by electronic or hydraulic way.
5. radial support key according to claim 1 fit-up gap self-operated measuring unit, it is characterized in that: described probe (1) adopts laser mode or machine vision mode to measure, by scanning radial support key and the reactor core rest pad vertical with pop one's head in (1) and the fit-up gap between inserting, obtain fit-up gap numerical value, and be transferred to data acquisition equipment by data line.
6. radial support key according to claim 1 fit-up gap self-operated measuring unit is characterized in that: the position at described camera (2) real-time Transmission probe (1) place, the compact illumination bulb is housed on it.
7. radial support key according to claim 1 fit-up gap self-operated measuring unit, it is characterized in that: have four dormant bolt holes on described mounting platform (5), manufacture with four installing technological holes on radial support key, by four screws, mounting platform (5) is fixed on radial support key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016615 CN203024736U (en) | 2013-01-14 | 2013-01-14 | Self-operated measuring device for radial supporting key assembly clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016615 CN203024736U (en) | 2013-01-14 | 2013-01-14 | Self-operated measuring device for radial supporting key assembly clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203024736U true CN203024736U (en) | 2013-06-26 |
Family
ID=48648715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320016615 Withdrawn - After Issue CN203024736U (en) | 2013-01-14 | 2013-01-14 | Self-operated measuring device for radial supporting key assembly clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203024736U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438843A (en) * | 2013-08-26 | 2013-12-11 | 浙江吉利汽车研究院有限公司 | Reticulation measurement instrument installation frame |
| CN103925884A (en) * | 2013-01-14 | 2014-07-16 | 上海核工程研究设计院 | Automatic measuring device for assembly clearance of radial support key |
| CN109578773A (en) * | 2018-09-28 | 2019-04-05 | 国家电网公司 | Power marketing data acquisition device |
-
2013
- 2013-01-14 CN CN 201320016615 patent/CN203024736U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925884A (en) * | 2013-01-14 | 2014-07-16 | 上海核工程研究设计院 | Automatic measuring device for assembly clearance of radial support key |
| CN103925884B (en) * | 2013-01-14 | 2017-04-26 | 上海核工程研究设计院 | Automatic measuring device for assembly clearance of radial support key |
| CN103438843A (en) * | 2013-08-26 | 2013-12-11 | 浙江吉利汽车研究院有限公司 | Reticulation measurement instrument installation frame |
| CN103438843B (en) * | 2013-08-26 | 2016-01-27 | 浙江吉利汽车研究院有限公司 | A kind of Reticulation measurement instrument installation frame |
| CN109578773A (en) * | 2018-09-28 | 2019-04-05 | 国家电网公司 | Power marketing data acquisition device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20170426 |