CN209706720U - A kind of air duct flange bolt hole is away from detection instrument - Google Patents
A kind of air duct flange bolt hole is away from detection instrument Download PDFInfo
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- CN209706720U CN209706720U CN201920673703.9U CN201920673703U CN209706720U CN 209706720 U CN209706720 U CN 209706720U CN 201920673703 U CN201920673703 U CN 201920673703U CN 209706720 U CN209706720 U CN 209706720U
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- bolt hole
- blade
- flange bolt
- measuring jaw
- measurement portion
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Abstract
The utility model belongs to nuclear power station ventilating and thermal insulating mounting technique field, and in particular to is applied to one of the prefabricated installation process of gigawatt unit nuclear island air duct flange air duct flange bolt hole away from detection instrument.It include: blade, length is equal to the ruler of adjacent bolt hole maximum distance；One end of the blade is arranged in perpendicular to the blade for first measuring jaw；First measuring jaw includes the first measurement portion positioned at the blade side, the length of the first measurement portion of first measuring jaw be equal to first flange bolt hole rule from.After the completion of flange welding is formed and is drilled, the blade that will test tool is close to flange face angle root edges, first measurement portion of the first measuring jaw is directed at tested flange bolt hole, if bolt hole center is identical as the length of the first measurement portion away from flange face angle root edges distance, and adjacent bolt hole distance is then tested flange bolt hole and meets the requirements without departing from the length of blade.It is easy to operate, can quickly finish bolt hole away from inspection, save the time.
Description
Technical field
The utility model belongs to nuclear power station ventilating and thermal insulating mounting technique field, and in particular to is applied to gigawatt unit core
One of the prefabricated installation process of island air duct flange air duct flange bolt hole is away from detection instrument.
Background technique
Between AP1000 nuclear power unit builds Anqi, each air hose pipeline section, component carry out being bolted fixation by companion flange,
And ultimately form ventilating system.Air duct flange production amount is big, checks work weight, and the bolt hole position of air duct flange and other cores
The middle line that bolt hole in electricity and civil engineering is arranged in flange angle cross section is different, and each specification has corresponding bolt hole
It advises (distance of the bolt hole center apart from flange face angle root edges), easily makes empirical mistake in construction, it may
The flange of production is caused the common quality defect of batch drilling mistake occur.So in order to guarantee that flange bolt pitch-row checks work peace
Overall height effect carries out, and need to develop a kind of specific purpose tool, can quickly and easily verify bolt hole away from whether meeting design requirement.
Utility model content
The utility model provides a kind of air duct flange bolt hole away from detection instrument characterized by comprising
Blade, length are equal to the ruler of adjacent bolt hole maximum distance；
One end of the blade is arranged in perpendicular to the blade for first measuring jaw；
First measuring jaw includes the first measurement portion positioned at the blade side, the first measurement portion of first measuring jaw
Length be equal to first flange bolt hole rule from.
In above-mentioned technical proposal, after the completion of flange welding is formed and drilled, the blade that will test tool is close to method
Blue face angle root edges, the first measurement portion of the first measuring jaw is directed at tested flange bolt hole, if bolt hole center is away from flange face
Angle steel root edges distance is identical as the length of the first measurement portion, and adjacent bolt hole distance is without departing from the length of blade, then by
Flange bolt hole is surveyed to meet the requirements.It is easy to operate, can quickly finish bolt hole away from inspection, save the time.
Preferably, first measuring jaw includes the second measurement portion positioned at the blade other side；First measuring jaw
The second measurement portion length be equal to second flange bolt hole distance.
Preferably, the second measuring jaw, the other end of the blade is arranged in perpendicular to the blade；The second measuring jaw packet
The first measurement portion positioned at the blade side is included, the length of the first measurement portion of second measuring jaw is equal to third flange bolt
Hole gauge distance.
Preferably, second measuring jaw, the second measurement portion including being located at the blade other side, second measuring jaw
The second measurement portion length be equal to the 4th flange bolt hole rule from.
Preferably, the length direction of the blade is equipped with blade scale.Convenient for accurately detecting between adjacent bolt hole
Distance.
Preferably, the first measurement portion of first measuring jaw and/or the second measurement portion of first measuring jaw and/
Or the first measurement portion of second measuring jaw and/or the second measurement portion of second measuring jaw are equipped with measuring jaw scale.Convenient for essence
The position deviation of true detection bolt hole.
Preferably, the first flange bolt hole rule is from, the second flange bolt hole rule from, the third method
Blue bolt hole rule is at least two equal from from, the 4th flange bolt hole rule.Convenient for detecting different location direction
Flange bolt hole position deviation.
Preferably, the first flange bolt hole rule is from, the second flange bolt hole rule from, the third method
Blue bolt hole rule is unequal from, any two of the 4th flange bolt hole rule from.Suitable for different flanges
The detection of the flange bolt hole of bolt hole rule.
Preferably, being integrally designed using galvanized steel plain sheet.It is consistent with the air hose material of galvanized steel plain sheet material, it can be better
It fits, detects more accurate with air hose detection faces.
Preferably, being integrally designed using stainless steel plate.It is consistent with the air hose material of stainless steel plate material, it can be better
It fits, detects more accurate with air hose detection faces.
The application effect of the detection instrument of the utility model is obvious, easy to carry, saves manpower and material resources and checks work
When, it is in particular in the following:
1) easy to operate, can quickly finish bolt hole away from inspection, save the time；
2) common quality defect of the batch being likely to occur drilling mistake is avoided.
Detailed description of the invention
The detection instrument structural schematic diagram of Fig. 1 the utility model embodiment one.
The detection instrument structural schematic diagram of Fig. 2 the utility model embodiment two.
Specific embodiment
Term used herein is used only for the purpose of describing specific embodiments, and is not intended to limit the utility model.Unless
In addition it defines, otherwise all terms used herein have and are generally understood with the utility model those of ordinary skill in the art
Identical meaning.It will be further appreciated that essential term should be interpreted as having and it is in related fields and the disclosure
The consistent meaning of meaning in content.The disclosure will be considered as the example of the utility model, and be not intended to this is practical new
Type is restricted to specific embodiment.
Air duct flange is generally made of four angle steel welded connectings, and the flange that welding is completed must drill, different
The flange of specification corresponds to different bolt hole gauges (distance of the bolt hole center apart from flange face angle root edges), and adjacent two
A bolt pitch of holes must not exceed defined adjacent bolt hole maximum distance, such as 100mm.According to the flange bolt of different size
Hole gauge requirement designs different measuring jaws, and measuring jaw Design of length is at bolt hole scale cun；Tool ruler body length is designed as maximum spiral shell
Keyhole spacing dimension.
Embodiment one
A kind of air duct flange bolt hole as shown in Figure 1 is away from detection instrument, including blade 1, the first measuring jaw 2, the second measuring jaw
3.Blade 1 is the ruler that length is equal to adjacent bolt hole maximum distance (being 100mm in the present embodiment).First measuring jaw 2 and second
Measuring jaw 3 is arranged with blade 1 is respectively perpendicular in 1 two ends of blade.First measuring jaw 2 is similar with the structure of the second measuring jaw 3.Example
Such as, the first measuring jaw 2 may include only include the first measurement portion 21 positioned at 1 side of blade (upside of blade 1 as shown in figure 1),
It can also further include the second measurement portion 22 positioned at 1 other side of blade (downside of blade 1 as shown in figure 1).Second measuring jaw 3 can also be with
It can also further include being located at including only including the first measurement portion 31 positioned at 1 side of blade (upside of blade 1 as shown in figure 1)
Second measurement portion 32 of 1 other side of blade (downside of blade 1 as shown in figure 1).The length etc. of first measurement portion 21 of the first measuring jaw
In length of the first flange bolt hole rule from, the second measurement portion 22 of the first measuring jaw be equal to second flange bolt hole rule from,
The length of first measurement portion 31 of the second measuring jaw 3 is equal to third flange bolt hole rule from the second measurement portion 32 of the second measuring jaw 3
Length be equal to the 4th flange bolt hole rule from.In the present embodiment, the first flange bolt hole rule is from, second method
Blue bolt hole rule from, the third flange bolt hole rule from, the 4th flange bolt hole rule from being equal, be all same
The distance that the flange bolt hole gauge of one specification requires.In this way, the first measurement portion of the first measuring jaw, the second measurement portion and second
The first measurement portion, the second measurement portion of measuring jaw are respectively facing four different directions, are adapted to the flange bolt of different direction
Hole.
Preferably, the length direction of the blade 1 of the present embodiment is equipped with blade scale 11.First measurement of the first measuring jaw 2
Portion 21, the second measurement portion 22, the first measurement portion 31 of the second measuring jaw, the length direction of the second measurement portion 32 are equipped with measuring jaw scale
4。
The detection instrument of the present embodiment can be made of galvanized steel plain sheet or stainless steel plate, to match different air hose materials
Matter.Two measuring jaws and blade collectively form an entirety, and according to Fig. 1 in galvanized steel plain sheet or stainless steel lining out, cutting is cut
After need to cut surface carry out chamfering polishing, polishing treatment, remove flash removed, prevent from causing personal injury in detection process, and protect
It holds overall beautiful.
The operating procedure of the utility model specific embodiment is as follows:
1) after the completion of flange welding is formed and drilled, suitable amount is had according to flange specification (angle steel size) selection
The detection instrument of pawl measurement portion is checked；
2) blade 1 that will test tool is close to flange face angle root edges, one of measurement of one of measuring jaw
Portion is directed at tested flange bolt hole, if length phase of the bolt hole center away from flange face angle root edges distance with corresponding measurement portion
Together, and adjacent bolt hole distance is without departing from the length range of blade (i.e. without departing from maximum bolt hole spacing dimension), then is tested
Flange bolt hole is met the requirements；
3) blade 1 is moved to next tested bolt hole along flange angle steel root edges, step 2 is repeated, until all
Bolt hole has checked；
4) corresponding detection instrument is chosen for the flange of different size checked that checking step is identical.
Embodiment two
A kind of air duct flange bolt hole as shown in Figure 2 is away from detection instrument, including blade 1, the first measuring jaw 2, the second measuring jaw
3.Blade 1 is the ruler that length is equal to adjacent bolt hole maximum distance (being 100mm in the present embodiment).First measuring jaw 2 and second
Measuring jaw 3 is arranged with blade 1 is respectively perpendicular in 1 two ends of blade.First measuring jaw 2 is similar with the structure of the second measuring jaw 3.Example
Such as, the first measuring jaw 2 may include only include the first measurement portion 21 positioned at 1 side of blade (upside of blade 1 in such as Fig. 2),
It can also further include the second measurement portion 22 positioned at 1 other side of blade (downside of blade 1 in such as Fig. 2).Second measuring jaw 3 can also be with
It can also further include being located at including only including the first measurement portion 31 positioned at 1 side of blade (upside of blade 1 in such as Fig. 2)
Second measurement portion 32 of 1 other side of blade (downside of blade 1 in such as Fig. 2).The length etc. of first measurement portion 21 of the first measuring jaw
In length of the first flange bolt hole rule from, the second measurement portion 22 of the first measuring jaw be equal to second flange bolt hole rule from,
The length of first measurement portion 31 of the second measuring jaw 3 is equal to third flange bolt hole rule from the second measurement portion 32 of the second measuring jaw 3
Length be equal to the 4th flange bolt hole rule from.In the present embodiment, first flange bolt hole rule is from, the second flange spiral shell
Keyhole rule from, the third flange bolt hole rule from, the 4th flange bolt hole rule from equal difference, it is respectively different
The distance that the flange bolt hole gauge of specification requires.In this way, the first measurement portion of the first measuring jaw, the second measurement portion and the second amount
The first measurement portion, the second measurement portion of pawl may be respectively used for the detection of the flange bolt hole gauge of different size.
Preferably, the length direction of the blade 1 of the present embodiment is equipped with blade scale 11.First measurement of the first measuring jaw 2
Portion 21, the second measurement portion 22, the first measurement portion 31 of the second measuring jaw, the length direction of the second measurement portion 32 are equipped with measuring jaw scale
4。
The detection instrument of the present embodiment can be made of galvanized steel plain sheet or stainless steel plate, to match different air hose materials
Matter.Two measuring jaws and blade collectively form an entirety, and according to fig. 2 in galvanized steel plain sheet or stainless steel lining out, cutting is cut
After need to cut surface carry out chamfering polishing, polishing treatment, remove flash removed, prevent from causing personal injury in detection process, and protect
It holds overall beautiful.
The operating procedure of the utility model specific embodiment is as follows:
1) after the completion of flange welding is formed and drilled, suitable amount is had according to flange specification (angle steel size) selection
The detection instrument of pawl measurement portion is checked；
2) blade 1 that will test tool is close to flange face angle root edges, and (length is equal to method to corresponding measuring jaw measurement portion
Blue bolt hole requires the measurement portion of the measuring jaw of distance) it is directed at tested flange bolt hole, if bolt hole center is away from flange face angle root
Portion's Edge Distance is identical as the corresponding length of measurement portion, and the non-distance of adjacent bolt hole without departing from blade length range (i.e. not
Beyond maximum bolt hole spacing dimension), then it is tested flange bolt hole and meets the requirements；
3) blade 1 is moved to next tested bolt hole along flange angle steel root edges, step 2 is repeated, until all
Bolt hole has checked；
4) corresponding detection instrument is chosen for the flange of different size checked that checking step is identical.
Although describing the embodiments of the present invention, those of ordinary skill in the art can want in appended right
Various deformations or amendments are made in the range of asking.
Claims (10)
1. a kind of air duct flange bolt hole is away from detection instrument characterized by comprising
Blade, length are equal to the ruler of adjacent bolt hole maximum distance；
One end of the blade is arranged in perpendicular to the blade for first measuring jaw；
First measuring jaw includes the first measurement portion positioned at the blade side, the length of the first measurement portion of first measuring jaw
Degree be equal to first flange bolt hole rule from.
2. a kind of air duct flange bolt hole according to claim 1 is away from detection instrument, it is characterised in that:
First measuring jaw includes the second measurement portion positioned at the blade other side；
The length of second measurement portion of first measuring jaw is equal to second flange bolt hole distance.
3. a kind of air duct flange bolt hole according to claim 2 is away from detection instrument, which is characterized in that further include:
The other end of the blade is arranged in perpendicular to the blade for second measuring jaw；
Second measuring jaw includes the first measurement portion positioned at the blade side, the length of the first measurement portion of second measuring jaw
Degree be equal to third flange bolt hole rule from.
4. a kind of air duct flange bolt hole according to claim 3 is away from detection instrument, it is characterised in that:
Second measuring jaw, the second measurement portion including being located at the blade other side, the second measurement portion of second measuring jaw
Length be equal to the 4th flange bolt hole rule from.
5. a kind of air duct flange bolt hole according to claim 1 is away from detection instrument, it is characterised in that:
The length direction of the blade is equipped with blade scale.
6. a kind of air duct flange bolt hole according to claim 4 is away from detection instrument, it is characterised in that:
The second measurement portion and/or second amount of first measurement portion of first measuring jaw and/or first measuring jaw
First measurement portion of pawl and/or the second measurement portion of second measuring jaw are equipped with measuring jaw scale.
7. a kind of air duct flange bolt hole according to claim 4 is away from detection instrument, it is characterised in that:
The first flange bolt hole rule is well-behaved from, the third flange bolt hole from, the second flange bolt hole rule
It is at least two equal from from, the 4th flange bolt hole rule.
8. a kind of air duct flange bolt hole according to claim 4 is away from detection instrument, it is characterised in that:
The first flange bolt hole rule is well-behaved from, the third flange bolt hole from, the second flange bolt hole rule
It is unequal from, any two of the 4th flange bolt hole rule from.
9. a kind of air duct flange bolt hole described in any one of -4 is away from detection instrument according to claim 1, it is characterised in that:
It is integrally designed using galvanized steel plain sheet.
10. a kind of air duct flange bolt hole described in any one of -4 is away from detection instrument according to claim 1, it is characterised in that:
It is integrally designed using stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920673703.9U CN209706720U (en) | 2019-05-13 | 2019-05-13 | A kind of air duct flange bolt hole is away from detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920673703.9U CN209706720U (en) | 2019-05-13 | 2019-05-13 | A kind of air duct flange bolt hole is away from detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209706720U true CN209706720U (en) | 2019-11-29 |
Family
ID=68649459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920673703.9U Active CN209706720U (en) | 2019-05-13 | 2019-05-13 | A kind of air duct flange bolt hole is away from detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209706720U (en) |
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2019
- 2019-05-13 CN CN201920673703.9U patent/CN209706720U/en active Active
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