CN2079281U - Multi-function welding seam edges and mal postion checking rule - Google Patents

Multi-function welding seam edges and mal postion checking rule Download PDF

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Publication number
CN2079281U
CN2079281U CN 90205656 CN90205656U CN2079281U CN 2079281 U CN2079281 U CN 2079281U CN 90205656 CN90205656 CN 90205656 CN 90205656 U CN90205656 U CN 90205656U CN 2079281 U CN2079281 U CN 2079281U
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China
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scale
compressing tablet
moving chi
chute
detection ruler
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CN 90205656
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Chinese (zh)
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刘平
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Individual
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Individual
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Priority to CN 90205656 priority Critical patent/CN2079281U/en
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Abstract

The utility model relates to a multi-function welding seam edge and mal position checking rule. The utility model is composed of a fixed scale, support legs with inner and outer measuring heads, a movable scale of slide adjustment, a fixed right tabletting, an adjustable (or fixed) left tabletting, a spring leaf and a holding screw. The fixed scale, the movable scale and the right and left tabletting are respectively provided with a suite of scale line. The checking rule which can measure the angularity of the weld bead, the mal position, the weld reinforcement and the bevel angle is free from the limit of the edge angle direction and the structure of the weld bead. The utility model which has the advantages of multiple uses and easy measurement can raise the production quality and the safety of the boiler pressure container. The reading precision can reach as high as 0.1 mm.

Description

Multi-function welding seam edges and mal postion checking rule
The utility model relates to the welding survey instrument, particularly about the shape of boiler, pressure vessel butt-weld and the testing tool of position deviation.
Angularity, unfitness of butt joint are the shape and the position deviations of boiler, pressure vessel butt-weld, it makes weld seam produce extra-stress, thereby influence the security of boiler, pressure vessel and equipment, for this reason, China's relevant specification, standard have all proposed to measure the control requirement to corner angle, misalignment.The detection of past to angularity, unfitness of butt joint is to utilize the model of the system of cutting to measure, because pressure vessel is series of products, big and small nominal diameter certainly will be wanted many models, to making and taking care of and all make troubles, moreover the precision that model detects is low, speed slow, be subject to structure of container and the restriction of measured circular arc shape, so can't satisfy the detection needs of pressure vessel.
The weld seam corner angle detection ruler of application number 88210114 is to represent the two-end-point of chord length L and moving chi tip a bit to constitute the standard circular arc with scale leg spacing to measure the maximal clearance of measured circular arc and standard circular arc as the angularity of being surveyed.Though this structure has overcome some shortcoming of cutting the sample preparation plate because still there are following four big defectives in its reasons in structure: 1. the every scale on the scale only can be as the measuring basis in the inboard or the outside, and do not do according to the variety range of the tested container of difference scale to be adjusted accordingly under the replacing condition at scale, to adapt to the detection requirement of different nominal diameter series scopes; 2. moving chi adopts common 150 millimeters stainless rules to change it, and its scale spacing minimum is 1 millimeter, estimates that reading accuracy can only reach 0.5 millimeter, can not adapt to the detection requirement of thin-walled pressure vessel; 3. the leg spacing is non-adjustable, is difficult to adapt to the different needs that detect chord length, to such an extent as to required detection ruler kind level is more; 4. the corner angle that are not suitable for bottle type container detect.
The purpose of this utility model is to provide a scope of application angularity bigger, that contain whole pressure vessel nominal diameter series and bottle type container to detect in order to overcome the deficiencies in the prior art, measures easy, that a chi is used more, reading accuracy is high multi-functional weld seam corner angle, misalignment detection ruler.
Description of drawings.
Fig. 1 is the structural representation of one of the utility model embodiment.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is that the B of Fig. 1 is to view.
Fig. 4 is two the structural representation of the utility model embodiment.
Fig. 5 is that the C of Fig. 4 is to view.
The measurement situation of Fig. 6 weld seam when the left side.
The measurement situation of Fig. 7 weld seam when the right side.
Fig. 8 weld seam is situation when measuring mid point just in time.
Be described in detail according to above-mentioned accompanying drawing embodiment below.
The design concept of multi-functional weld seam corner angle, misalignment detection ruler is designed to represent the two-end-point of chord length L and moving chi tip a bit to constitute the standard circular arc with scale leg spacing with the general principle of known technology equally and measures the maximal clearance of measured circular arc and standard circular arc as the angularity of being surveyed.
This detection ruler (referring to Fig. 1--5) constitute by scale 9, leg 1, pressing plate 2, moving chi 6, left and right sides compressing tablet 4,7, spring leaf 8 and 3,15 of holding screws.
Scale 9 two ends have leg 1, on the leg 1 chute is arranged, scale 9 matches with it, by pressing plate 2, securing member scale 9 is fixed in the leg 1, leg 1 can slide along scale 9 length directions, determines behind the position fastening in aggregatesly by holding screw 3, and leg 1 one ends are inboard measuring head, the other end is an outside measuring head, to adapt in the tube and the outer measurement of tube.
Scale 9 is rectangular plate-like parts in addition, both sides have strip hole, and are heavy to alleviate chi, and scale 9 both sides along its length indicates the scale 10 of symmetrical distribution, this scale can contain the scale value of whole pressure vessel nominal diameter series at the measurement chord length position of different nominal diameters.
Detection ruler has the chute that slides up and down for moving chi 6, has sulculus in the groove again.The chute of one of embodiment (see figure 3) is opened in scale 9 middle part broad ways.Its middle part keeps left and opens the reference graduation 13 of a chute and one group of reflection nominal diameter successively again.
The chute of two (see figure 5)s of embodiment is made of jointly 4,7 of the left and right sides compressing tablets of scale 9 and angle square type.
The right compressing tablet 7 of the left-right symmetric configuration of one of embodiment (seeing Fig. 1-3) is for fixed, and it is marked with the scale 11 of the different nominal measuring basiss of expression.Left side compressing tablet 4 be a slidingtype, and the chute that the left compressing tablet of slidingtype 4 and scale 9 middle parts keep left on the Width matches, can be along this chute slip, and it is marked with and is spaced apart one group of scale 12 of 1 millimeter, and left compressing tablet 4 slides into to be needed to do fastening with holding screw 14 behind the position.
The right compressing tablet 7 of the left-right symmetric configuration of two (the seeing Fig. 4-5) of embodiment also is fixed, indicate the scale 11 of the different nominal measuring basiss of expression on it equally, left side compressing tablet 4 also is fixed, this moment, scale 9 left sides did not have scale, left side compressing tablet 4 is marked with the scale 12 of the different nominal measuring basiss of expression, be used to measure chord length L=1/2Dg and ≯ corner angle of 300 millimeters bottle type container detect.
Scale 11 on the fixing right compressing tablet 7 be used to measure chord length L=1/6Dg and ≮ 300 millimeters container corner angle detect.
Above formula L=1/2Dg and L=1/6Dg(see Fig. 6-7).
The angularity of L--standard code is measured chord length, and promptly the chord length of standard circular arc also is the spacing of detection ruler two legs.
The nominal diameter of Dg--vessel shell is often referred to internal diameter.
The two ends cone angle is respectively α 1=55 ° and α 2=65 ° moving chi 6 matches with the chute at scale 9 middle parts, can slide up and down in chute.Indicate six big lattice scales 5 for left compressing tablet 4 for moving chi 6 surfaces of slidingtype, every big lattice ten five equilibriums, 0.9 millimeter of every little lattice match with slidingtype left side compressing tablet 4 scales, can make direct reading accuracy reach 0.1 millimeter.
Indicate one group of scale 5 that is spaced apart 0.5 millimeter for left compressing tablet 4 for fixed moving chi 6 surfaces, match, estimate that reading accuracy is 0.25 millimeter with fixed left compressing tablet 4 scales.
Spring leaf 8 is arranged on scale 9 or a left side (right side) compressing tablet 4(7) in the sulculus of side, start chi 6 compresses usefulness, causes the variation of measured value in order to prevent in measuring process instrument from colliding, and does fastening so be provided with holding screw 15 at the back side of moving chi 6.
Under the constant prerequisite of scale 9 length, no matter any embodiment, right compressing tablet 7 is all replaceable, to change the measuring basis of different nominal diameters, enlarges measurement range.
During detection ruler when using first kind of embodiment, at first determine leg 1 spacing according to the nominal diameter and the respective standard of tested cylindrical shell, survey in surveying still outside decision is adopted according to field condition again, then leg 1 is adjusted on required scale 10 positions and does tightening, left compressing tablet 4 moved up and down its zero-bit is alignd with tested nominal diameter reference graduation line and tightening, with detection ruler across on the weld seam of tested cylindrical shell, press moving chi 6 and make it to paste mutually with weld seam one lateral edges, the deviate of moving chi 6 " 0 " line and left compressing tablet 4 " 0 " scale this moment is the angularity E of this side weld 1, in like manner, record the angularity E at another edge of weld seam 2, absolute value the greater is the angularity of this weld seam among both, and both differences are the welding seam misalignment amount.
E wherein 1--with the weld seam left side is standard circular arc and the maximum deflection difference value (see figure 6) of actual circular arc, the in like manner E of gained when measuring mid point 2--with the weld seam right side is the standard circular arc of gained when measuring mid point and the maximum deflection difference value (see figure 7) of actual circular arc.
Moving chi 6 is moved to the deviation E of measured moving chi 6 " 0 " position of weld seam peak and respective diameters datum line 3, press | E 3-E 1| and | E 3-E 2| the higher value among both is weld reinforcement.
E in the formula 3--with the face of weld mid point is that peak serves as when measuring mid point, the face of weld mid point to the standard circular arc apart from (see figure 8).
Groove angle is 60 ° ± 5 ° by standard-required, measures with the two ends cone angle of moving chi.
When using the detection ruler of second kind of embodiment, measuring method is the same, is that left compressing tablet 4 maintains static, with the deviate of the corresponding nominal diameter reference graduation line on moving chi 6 " 0 " line and left compressing tablet 4 or the right compressing tablet 7 angularity E as this weld seam.Unfitness of butt joint, weld reinforcement, groove angle detect with said method equally.
Press multi-functional corner angle, the misalignment detection ruler of the utility model design, has a chi multi-purpose function, can detect angularity, unfitness of butt joint, weld reinforcement and four projects of bevel angle, the weld seam detection needs that can adapt to the serial diameter container of kind surplus in the of 20, compared with prior art, this detection ruler measurement is easy, accuracy of reading is high, can directly read 0.1 millimeter precision, it is not subjected to the restriction of weld direction and structure, to the product quality that improves boilers and pressure vessel, be conducive to security reliability and play a positive role, have application value.

Claims (10)

1, a kind of multi-functional weld seam corner angle, misalignment detection ruler, by the scale (9) of band leg (1), indicate the moving chi (6) of scale (5), the chute that slides along scale (9) Width for moving chi (6), left and right compressing tablet (4) balanced configuration, that indicate scale (12), (11), (7), the holding screw (15) that is arranged in the spring leaf (8) of chute sulculus and is pressed in moving chi (6) width mid point formed, it is characterized in that:
A, leg have chute on (1), match with scale (9), and pressing plate (2) and holding screw (3) are arranged outward, and leg (1) can be along scale (9) length direction slippage;
B, scale (9) both sides along its length indicate the scale (10) of the reflection nominal diameter of symmetrical distribution.
2, detection ruler as claimed in claim 1 is characterized in that right compressing tablet (7) for fixed, and it is marked with the scale (11) of the different nominal measuring basiss of expression.
3, detection ruler as claimed in claim 1 is characterized in that left compressing tablet (4) is a slidingtype, and the chute on the Width that can keep left along scale (9) middle part slides, and it is marked with the one group of scale (12) that is spaced apart 1 millimeter.
4, detection ruler as claimed in claim 1 is characterized in that left compressing tablet (4) for fixed, and it is marked with the scale (12) of the different nominal measuring basiss of expression.
5,, it is characterized in that opening at scale (9) middle part for the chute that moving chi (6) broad ways is slided as claim 1 or 3 described detection rulers.
6,, it is characterized in that the chute that slides for moving chi (6) broad ways is made of jointly left and right compressing tablet (4), (7) of scale (9) and left-right symmetric configuration as claim 1 or 4 described detection rulers.
7,, it is characterized in that the scale (5) on the moving chi (6) is provided with 6 big lattice, every big lattice 10 five equilibriums, 0.9 millimeter of every little lattice as claim 1 or 3 described detection rulers.
8,, it is characterized in that moving chi (6) is provided with one group of scale (5) that is spaced apart 0.5 millimeter as claim 1 or 4 described detection rulers.
9, detection ruler as claimed in claim 1, the sulculus that it is characterized in that being provided with spring leaf (8) can be opened at scale (9) and go up or a left side (right side) compressing tablet (4), (7) side.
10, detection ruler as claimed in claim 1 is characterized in that the cone angle at moving chi (6) two ends is respectively α 1=55 ° and α 2=65 °.
CN 90205656 1990-04-25 1990-04-25 Multi-function welding seam edges and mal postion checking rule Withdrawn CN2079281U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 90205656 CN2079281U (en) 1990-04-25 1990-04-25 Multi-function welding seam edges and mal postion checking rule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 90205656 CN2079281U (en) 1990-04-25 1990-04-25 Multi-function welding seam edges and mal postion checking rule

Publications (1)

Publication Number Publication Date
CN2079281U true CN2079281U (en) 1991-06-19

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CN 90205656 Withdrawn CN2079281U (en) 1990-04-25 1990-04-25 Multi-function welding seam edges and mal postion checking rule

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101266126B (en) * 2007-03-16 2010-05-19 宝山钢铁股份有限公司 Straight welded pipe millet-shaped measuring apparatus and method
CN103624383A (en) * 2013-12-10 2014-03-12 北京隆盛泰科石油管科技有限公司 Welding seam weld reinforcement control device for welding steel pipe
CN104697412A (en) * 2015-03-26 2015-06-10 中国人民解放军驻国营三〇七厂军事代表室 Fast inspection tool and method for pipeline welding dislocation
CN105352413A (en) * 2015-10-14 2016-02-24 卢乐 Small-diameter tube radiography elliptical projection positioning ruler and operating method thereof
CN105444649A (en) * 2016-01-06 2016-03-30 东方电气集团东方锅炉股份有限公司 Boiler collecting box pipe joint circumferential inclination measurement apparatus and measurement method
CN109029214A (en) * 2018-05-03 2018-12-18 合肥江航飞机装备有限公司 A kind of resistance spot weld cup depth measuring appliance and measurement method
CN110375627A (en) * 2019-08-26 2019-10-25 付国军 A kind of flatness detection device
CN111412816A (en) * 2020-03-20 2020-07-14 海洋石油工程股份有限公司 Marine oil engineering steel structure weld angle height detection ruler

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101266126B (en) * 2007-03-16 2010-05-19 宝山钢铁股份有限公司 Straight welded pipe millet-shaped measuring apparatus and method
CN103624383A (en) * 2013-12-10 2014-03-12 北京隆盛泰科石油管科技有限公司 Welding seam weld reinforcement control device for welding steel pipe
CN103624383B (en) * 2013-12-10 2015-10-21 北京隆盛泰科石油管科技有限公司 A kind of welded still pipe weld reinforcement control device
CN104697412A (en) * 2015-03-26 2015-06-10 中国人民解放军驻国营三〇七厂军事代表室 Fast inspection tool and method for pipeline welding dislocation
CN104697412B (en) * 2015-03-26 2018-09-04 中国人民解放军驻国营三〇七厂军事代表室 A kind of welding of pipeline misplaces the quick instruments of inspection and method
CN105352413A (en) * 2015-10-14 2016-02-24 卢乐 Small-diameter tube radiography elliptical projection positioning ruler and operating method thereof
CN105352413B (en) * 2015-10-14 2018-05-15 广东晟惠检测科技有限公司 A kind of small diameter tube X radiography elliptic projection positioning rules and its operating method
CN105444649A (en) * 2016-01-06 2016-03-30 东方电气集团东方锅炉股份有限公司 Boiler collecting box pipe joint circumferential inclination measurement apparatus and measurement method
CN105444649B (en) * 2016-01-06 2018-05-11 东方电气集团东方锅炉股份有限公司 The circumferential inclined measuring device of boiler header pipe joint and measuring method
CN109029214A (en) * 2018-05-03 2018-12-18 合肥江航飞机装备有限公司 A kind of resistance spot weld cup depth measuring appliance and measurement method
CN110375627A (en) * 2019-08-26 2019-10-25 付国军 A kind of flatness detection device
CN111412816A (en) * 2020-03-20 2020-07-14 海洋石油工程股份有限公司 Marine oil engineering steel structure weld angle height detection ruler

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