CN208254498U - Nuclear power plant's plumb line coordinatograph verifies specific purpose tool - Google Patents
Nuclear power plant's plumb line coordinatograph verifies specific purpose tool Download PDFInfo
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- CN208254498U CN208254498U CN201821017935.0U CN201821017935U CN208254498U CN 208254498 U CN208254498 U CN 208254498U CN 201821017935 U CN201821017935 U CN 201821017935U CN 208254498 U CN208254498 U CN 208254498U
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- plumb line
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- vernier caliper
- line coordinatograph
- coordinatograph
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Abstract
The utility model discloses a kind of nuclear power plant's plumb line coordinatographs to verify specific purpose tool, comprising: verification auxiliary stand is rotationally fixed on the support of plumb line coordinatograph, and verification auxiliary stand includes crossbeam and stringer；Benchmark vernier caliper is fixed on the top of crossbeam, and can carry out levelness adjusting to benchmark vernier caliper by rotation stringer；Digital display level-meter is arranged on benchmark vernier caliper, for the real-time and accurately levelness of measuring basis vernier caliper online, and ensures that benchmark vernier caliper is in horizontality always；Hanging object and mobile logo object, one end of mobile logo object is fixed on the measuring jaw of benchmark vernier caliper, the other end hangs the measured hole that hanging object passes through plumb line coordinatograph, and shade is generated in measured hole, after shade analyzes identification by the ccd sensor of plumb line coordinatograph, the position coordinates of mobile logo object can be obtained by calculation processing.The verification specific purpose tool of the utility model significantly improves verification accuracy and working efficiency.
Description
Technical field
The utility model is verified especially with regard to a kind of nuclear power plant's plumb line coordinatograph dedicated about a kind of calibration tool
Tool.
Background technique
Plumb line coordinatograph is a kind of for monitoring the diameter change and entirety of nuclear power station third road safety curtain containment
The online equipment of tangential deformation behavior.By carrying out routine test and verification to plumb line coordinatograph online, guaranteeing the equipment just
Often operation, to obtain timely, accurate, reliable data.Since plumb line coordinatograph is mounted on the surrounding of containment outer wall, it is
The permanent online equipment of real-time monitoring containment deformation, its entirety can not be removed transport to metering institute verify, thus can only
It is verified at the scene.
Currently, the general verification mode of nuclear power plant is to fix the plumb line with weight with shift standards device, with composition
Plumb line verifies measuring system.As shown in Fig. 1, plumb line verification measuring system includes plumb line 101 and is connected to
Suspension centre 103 and weight 104 on 102 wall of containment of plumb line upper and lower ends, are installed between suspension centre 103 and weight 104
The plumb line coordinatograph 105 and shift standards device 106 for thering is measurement to be displaced.When plumb line is mobile, plumb line coordinatograph 105 is recorded
With the displacement indicating value of shift standards device 106, the two deviation is calculated, to judge whether plumb line coordinatograph meets equipment precision mark
It is quasi-.
However, there are some shortcomings and deficiencies for existing verification mode.Due to directly using plumb line as hatching designation
Object, when verification by plumb line binding on displacement standard, mobile plumb line will will receive the pulling force effect of wall and weight, cause
So that vertical line and shift standards device measuring surface is generated gap deviation, leads to the introducing of measurement error, to reduce verification accuracy.Together
When DATA REASONING need equal plumb lines to stablize after just can be carried out, and due to vertical line length it is longer (it is most about 17 meters short, up to approximately 50
Rice), and lower section has large volume of weight again, the stable time is long, and each measurement point is generally stable to need 5 to 10 minutes, leads
Cause verifying work time long low efficiency.Additionally due to 20Kg weight has been hung in live plumb line lower end, frequently movement, which has, leads to vertical
The risk of thread breakage, may make nearby equipment and staff come to harm, and post-rift maintenance cost and risk compared with
It is high.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Utility model content
The purpose of this utility model is to provide a kind of nuclear power plant's plumb line coordinatographs to verify specific purpose tool, can reduce
Error in checking procedure introduces source, improves verification accuracy, while making verifying work more rapidly and efficiently, moreover it is possible to effectively compared with
Low personnel and equipment injury risk.
To achieve the above object, the utility model provides a kind of nuclear power plant's plumb line coordinatograph verification specific purpose tool, packet
Include: verification auxiliary stand is rotationally fixed on the support of plumb line coordinatograph, and verification auxiliary stand includes crossbeam and indulges
Beam；Benchmark vernier caliper is fixed on the top of crossbeam, and can carry out levelness to benchmark vernier caliper by rotation stringer
It adjusts；Digital display level-meter is arranged on benchmark vernier caliper, for the real-time and accurately water of measuring basis vernier caliper online
Pingdu, and verification auxiliary stand is cooperated to adjust, to ensure that benchmark vernier caliper is in horizontality always；Hanging object and mobile logo
Object, one end of mobile logo object are fixed on the measuring jaw of benchmark vernier caliper, and the other end hangs hanging object and passes through plumb line coordinatograph
Measured hole, and generate shade in measured hole, after shade analyzes identification by the ccd sensor of plumb line coordinatograph, pass through
Calculation processing can obtain the position coordinates of mobile logo object.
In a preferred embodiment, mobile logo object is nylon wire.
In a preferred embodiment, benchmark vernier caliper is electronic digital display type vernier caliper, benchmark vernier caliper
Precision is higher than the precision of plumb line coordinatograph.
In a preferred embodiment, the range of benchmark vernier caliper is 150mm, and the precision of benchmark vernier caliper is greater than
Or 3 times of the precision equal to plumb line coordinatograph.
In a preferred embodiment, digital display level-meter has magnetism, so that digital display level-meter and benchmark vernier calliper
Ruler contact securely, and can be moved on benchmark vernier caliper, with the levelness at each position of monitoring criteria vernier caliper.
In a preferred embodiment, crossbeam and stringer vertically connect, wherein there are two for fixing for setting on crossbeam
The fixture block of benchmark vernier caliper.
In a preferred embodiment, stringer is rotationally fixed to the support of plumb line coordinatograph by fixed device
On, wherein fixed device is fixedly installed on support, stringer and fixed device rotation connection.
In a preferred embodiment, verification auxiliary stand is fixed the cross that should make to verify auxiliary stand on the support
Beam is parallel with the X-axis of plumb line coordinatograph or Y-axis.
In a preferred embodiment, the weight of hanging object is 150g~300g, and shape is cone.
In a preferred embodiment, plumb line coordinatograph verification specific purpose tool further includes that vernier caliper displacement occurs
Device, for pushing measuring jaw mobile.
Compared with prior art, plumb line coordinatograph verification specific purpose tool according to the present utility model has the advantages that
(1) modularization assembling, it is simple and practical in structure, it is easy for installation, firm；It (2), can be easy to be fast using verification auxiliary stand rotation mode
Speed and the levelness adjusting for being accurately realized benchmark vernier caliper；(3) levelness of on-line real time monitoring benchmark vernier caliper, and
Shi Faxian is because of misoperation or accidentally touches levelness is caused to change；(4) mobile logo object is separately provided to replace plumb line, can keep away
Exempt from gap displacement generation, to reduce measurement error introducing；(5) weight is replaced using hanging object, industry security can be effectively reduced
Risk, and stabilized speed is fast, improves verification efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing calibration technology.
Fig. 2 is the stereochemical structure signal that specific purpose tool is verified according to the plumb line coordinatograph of one embodiment of the utility model
Figure.
Fig. 3 is the main view that specific purpose tool is verified according to the plumb line coordinatograph of one embodiment of the utility model.
Fig. 4 is the left view that specific purpose tool is verified according to the plumb line coordinatograph of one embodiment of the utility model.
Fig. 5 is verification auxiliary when verifying specific purpose tool verification according to the plumb line coordinatograph of one embodiment of the utility model
The schematic diagram of bracket and the not parallel correcting process method of plumb line coordinatograph Y-axis.
Main appended drawing reference explanation:
1- verifies auxiliary stand, 2- benchmark vernier caliper, 3- digital display level-meter, 4- mobile logo object, 5- hanging object.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figures 2 to 4, it is verified according to nuclear power plant's plumb line coordinatograph of the preferred embodiments of the present invention dedicated
Tool, comprising: verification auxiliary stand 1, benchmark vernier caliper 2, digital display level-meter 3, hanging object 5 and mobile logo object 4.Wherein, school
It tests auxiliary stand 1 to be rotationally fixed in the support (not shown) of plumb line coordinatograph, verification auxiliary stand 1 includes cross
Beam 11 and stringer 12.Benchmark vernier caliper 2 is fixed on the top of crossbeam 11, and can be by rotation stringer 12 to benchmark vernier calliper
Ruler 2 carries out levelness adjusting.Digital display level-meter 3 is arranged on benchmark vernier caliper 2, for online real-time and accurately measuring basis
The levelness of vernier caliper 2, and verification auxiliary stand 1 is cooperated to adjust, to ensure benchmark vernier caliper 2 always in horizontal
State.One end of mobile logo object 4 is fixed on the measuring jaw 21 of benchmark vernier caliper 2, and the other end hangs hanging object 5 and sits across plumb line
The measured hole of instrument is marked, and generates shade in measured hole, after shade analyzes identification by the ccd sensor of plumb line coordinatograph,
The position coordinates of mobile logo object 4 can be obtained by calculation processing.
In a preferred embodiment, mobile logo object 4 is nylon wire, and hanging object 5 can have constant weight to be any
The object that mobile logo object 4 can be made sagging, the weight of hanging object is preferably 150g~300g, and shape is cone.
In a preferred embodiment, crossbeam 11 and stringer 12 vertically connect, wherein there are two use for setting on crossbeam 11
In the fixture block 13 of fixed reference vernier caliper 2.Stringer 12 passes through the branch that fixed device 6 is rotationally fixed to plumb line coordinatograph
On seat, wherein fixed device 6 is fixedly installed on support, and stringer 12 and fixed device 6 are rotatablely connected.By rotating stringer 12
Levelness adjusting is carried out to benchmark vernier caliper 2, when 3 numerical value of digital display level-meter is zero, benchmark vernier caliper 2 reaches horizontal
State.
In a preferred embodiment, benchmark vernier caliper is electronic digital display type vernier caliper, benchmark vernier caliper
Precision is higher than the precision of plumb line coordinatograph, it is preferable that the precision of benchmark vernier caliper is greater than or equal to plumb line coordinatograph
3 times of precision, the range of benchmark vernier caliper are 150mm.When the measuring jaw of benchmark vernier caliper is mobile, electronic digital display type vernier
Slide calliper rule can show that shift value.Digital display level-meter has magnetism, so that digital display level-meter is contacted with benchmark vernier caliper
Securely, it and can be moved on benchmark vernier caliper, with the levelness at each position of monitoring criteria vernier caliper.
In a preferred embodiment, plumb line coordinatograph verification specific purpose tool further includes that vernier caliper displacement occurs
Device, for pushing measuring jaw mobile.
When the plumb line coordinatograph verification specific purpose tool of the utility model formally verifies, benchmark vernier caliper is installed in advance
It is fixed on the support of plumb line coordinatograph onto the crossbeam of verification auxiliary stand, then by verification auxiliary stand, and to verify
The crossbeam of auxiliary stand is parallel with the X-axis of plumb line coordinatograph or Y-axis, then arranges that digital display is horizontal on benchmark vernier caliper
Instrument.Levelness adjusting is carried out to benchmark vernier caliper by the stringer of rotation verification auxiliary stand, when digital display level-meter numerical value is
When zero, benchmark vernier caliper reaches horizontality.By vernier caliper displacement generator or promotion measuring jaw movement manually, it is fixed on
Mobile logo object on measuring jaw is mobile with measuring jaw, and the numerical value of plumb line coordinatograph and benchmark vernier caliper can all become at this time
Change, records and calculates the two displacement deviation of reading and improved to judge whether plumb line coordinatograph meets equipment precision standard
Verify accuracy.
It should be noted that when installation and checking auxiliary stand, it is desirable that verify the crossbeam and plumb line coordinatograph of auxiliary stand
X-axis or Y-axis it is parallel, but in actual operation, the direction of benchmark vernier caliper can exist with the X or Y-axis of plumb line coordinatograph
Not parallel problem, needs at this time by being modified calculating to the plumb line coordinatograph X that is surveyed, Y-axis indicating value, by correction value with
The indicating value of benchmark vernier caliper compares, to reduce directly, relatively bring error influences.As shown in figure 5, to verify lead
For the correcting process of plumb line coordinator Y direction.Mobile logo object (nylon wire) is fixed on the measuring jaw of benchmark vernier caliper,
It is moved along the direction of benchmark vernier caliper, motion profile is an oblique line relative to Y-axis.The oblique line and its in X, Y-axis
Projection form right angled triangle.Indicating value variable quantity △ X and △ Y of the plumb line coordinatograph in X, Y-axis is subjected to data processing,
Bevel edge variable quantity △ L ' is obtained, wherein By Δ L ' and benchmark vernier caliper indicating value variable quantity into
The correcting process to plumb line coordinatograph Y direction is completed in the comparison of row deviation.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
Claims (10)
1. a kind of nuclear power plant's plumb line coordinatograph verifies specific purpose tool, which is characterized in that the plumb line coordinatograph verification is dedicated
Tool includes:
Auxiliary stand is verified, is rotationally fixed on the support of plumb line coordinatograph, the verification auxiliary stand includes cross
Beam and stringer；
Benchmark vernier caliper is fixed on the top of the crossbeam, and can be by rotating the stringer to the benchmark vernier
Slide calliper rule carry out levelness adjusting；
Digital display level-meter is arranged on the benchmark vernier caliper, for real-time and accurately measuring the benchmark vernier online
The levelness of slide calliper rule, and the verification auxiliary stand is cooperated to adjust, to ensure that the benchmark vernier caliper is in horizontal always
State；
Hanging object and mobile logo object, one end of the mobile logo object is fixed on the measuring jaw of the benchmark vernier caliper, another
End hangs the hanging object and passes through the measured hole of the plumb line coordinatograph, and generates shade in the measured hole, when the yin
Shadow can obtain the mobile logo object by calculation processing by after the ccd sensor analysis identification of the plumb line coordinatograph
Position coordinates.
2. plumb line coordinatograph as described in claim 1 verifies specific purpose tool, which is characterized in that the mobile logo object is Buddhist nun
Imperial line.
3. plumb line coordinatograph as described in claim 1 verifies specific purpose tool, which is characterized in that the benchmark vernier caliper is
Electronic digital display type vernier caliper, the precision of the benchmark vernier caliper are higher than the precision of the plumb line coordinatograph.
4. plumb line coordinatograph as claimed in claim 3 verifies specific purpose tool, which is characterized in that the benchmark vernier caliper
Range is 150mm, and the precision of the benchmark vernier caliper is greater than or equal to 3 times of the precision of the plumb line coordinatograph.
5. plumb line coordinatograph as described in claim 1 verifies specific purpose tool, which is characterized in that the digital display level-meter has
Magnetism, so that the digital display level-meter contacts securely with the benchmark vernier caliper, and can be in the benchmark vernier caliper
On moved, to monitor the levelness at each position of benchmark vernier caliper.
6. plumb line coordinatograph as described in claim 1 verifies specific purpose tool, which is characterized in that the crossbeam and the stringer
Vertical connection, wherein for fixing the fixture block of the benchmark vernier caliper there are two being arranged on the crossbeam.
7. plumb line coordinatograph as claimed in claim 6 verifies specific purpose tool, which is characterized in that the stringer passes through fixed dress
It sets and is rotationally fixed on the support of the plumb line coordinatograph, wherein the fixed device is fixedly installed in the support
On, the stringer and the fixed device are rotatablely connected.
8. plumb line coordinatograph as claimed in claim 7 verifies specific purpose tool, which is characterized in that the verification auxiliary stand quilt
The X-axis or Y-axis of the crossbeam and the plumb line coordinatograph that should make the verification auxiliary stand are fixed on the support
In parallel.
9. plumb line coordinatograph as described in claim 1 verifies specific purpose tool, which is characterized in that the weight of the hanging object is
100g~150g, shape are cone.
10. plumb line coordinatograph as described in claim 1 verifies specific purpose tool, which is characterized in that the plumb line coordinatograph
Verifying specific purpose tool further includes vernier caliper displacement generator, for pushing the measuring jaw mobile.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017935.0U CN208254498U (en) | 2018-06-29 | 2018-06-29 | Nuclear power plant's plumb line coordinatograph verifies specific purpose tool |
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| CN201821017935.0U CN208254498U (en) | 2018-06-29 | 2018-06-29 | Nuclear power plant's plumb line coordinatograph verifies specific purpose tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082591A (en) * | 2020-07-08 | 2020-12-15 | 中核武汉核电运行技术股份有限公司 | On-site calibration technical method for containment structure monitoring system |
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2018
- 2018-06-29 CN CN201821017935.0U patent/CN208254498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082591A (en) * | 2020-07-08 | 2020-12-15 | 中核武汉核电运行技术股份有限公司 | On-site calibration technical method for containment structure monitoring system |
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