CN205300541U - Welded joint size and barrel circularity testing instruments - Google Patents

Welded joint size and barrel circularity testing instruments Download PDF

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Publication number
CN205300541U
CN205300541U CN201521106807.XU CN201521106807U CN205300541U CN 205300541 U CN205300541 U CN 205300541U CN 201521106807 U CN201521106807 U CN 201521106807U CN 205300541 U CN205300541 U CN 205300541U
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CN
China
Prior art keywords
support body
distance
calculator
numerical value
testing instruments
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 - Fee Related
Application number
CN201521106807.XU
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Chinese (zh)
Inventor
李培中
孙晓靖
于丛娟
唐志成
牟忱
陈耀强
钟锦林
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Special Equipment Inspection Research Institute Of Yantai City
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Special Equipment Inspection Research Institute Of Yantai City
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Priority to CN201521106807.XU priority Critical patent/CN205300541U/en
Application granted granted Critical
Publication of CN205300541U publication Critical patent/CN205300541U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a welded joint size and barrel circularity testing instruments, it belongs to pressure vessel and inspection of the boiler equipment field. It is including the support body that has the scale, the support body middle part is the installing zone, both ends are distinguished for flexible, be equipped with the distance measurement device at the support body center, be equipped with the slip reference block by the fastening bolt installation on the support body of distance measurement device one side, the distance measurement device is external to be used for calculating support body mid point apart from the distance of measuring point and the differences of value calculator of set numerical value or benchmark numerical value. The beneficial effects of the utility model are that: aim at the distance measurement device and await measuring a little, reach the calculator on reading distance value back, calculate by the procedure that the calculator is built -in, draw the difference voluntarily and show, but intuitive judgment goes out to connect the circularity etc. Of edges and corners, wrong variable or barrel whether meet the standard stipulates from this, overall structure reasonable in design, easy and simple to handle, surveying work efficiency improves greatly, measures the cost and can reduce.

Description

Welding point size and cylinder roundness testing instruments
Technical field
The utility model relates to a kind of welding point size and cylinder that can be applied to inspection pressure container and boilerWhether body circularity meets the testing instruments of test stone, relates in particular to one and is applicable to check welding point hoopThe welding point size of corner angle and hoop unfitness of butt joint and cylinder roundness testing instruments, it belongs to pressure vessel and potStove inspection machine field.
Background technology
At present, according to the regulation of GB150-2011 " pressure vessel ", inspection pressure container welding point hoopThe method of corner angle is, equals D by chord lengthi/ 6, and be not less than 300mm interior model (or outer model) check.GB150-2011 " pressure vessel " is arc or outer arc model measurement circularity in also specifying to adopt. Measure weldingJoint ring during to unfitness of butt joint, also needs to make inside and outside model. Although use the method for model simple, readNumber is inaccurate, easily occurs mistake; The internal diameter size that simultaneously also will consider different size all needs to be equipped with a set ofThe model of coupling specification, the replacing of carrying out along with the problems such as wearing and tearing appear in the use of model in addition, increasesThe cost of enterprise. In addition, because of size and reasons in structure, the reinforcement of some circumferential welds and wrong variable are used conventionalWhen welding detection ruler cannot detect, also to make welding point inspection template.
Summary of the invention
The utility model, for above-mentioned deficiency, provides the welding point size of a kind of inspection pressure container and boilerAnd whether cylinder roundness meets test stone, is particularly useful for checking welding point hoop corner angle and hoop misalignmentWelding point size and the cylinder roundness testing instruments of amount.
The technical scheme that the utility model solves the problems of the technologies described above is as follows:
A kind of welding point size and cylinder roundness testing instruments, comprise the support body with rule, describedBody middle part is that installing zone, two ends are breathing zone; Be provided with distance-measuring device at support body center, in range measurementThe support body that installs a side is provided with the slip reference block of being installed by fastening bolt; Described distance-measuring device is externalFor calculating the calculator of support body mid point apart from distance with the difference of setting numerical value or benchmark numerical value of measurement point; InstituteStating setting numerical value, is the numerical value storing in calculator, transfers by input diameter, thickness etc.; Described benchmarkNumerical value is the numerical value that before actual measurement, device is measured on given reference position;
Described distance-measuring device is high accuracy range sensor; Or
Described distance-measuring device comprises mobile cunning that is arranged on support body center and can be free to slide perpendicular to support bodyBar and move the displacement transducer of numerical value in support body vertical direction for measuring mobile slide bar, described displacement sensingDevice is arranged on installing zone.
Compared with prior art, the beneficial effects of the utility model are: support body breathing zone be arranged so that this instrumentDevice can meet the measurement of different size cylindrical shell; Distance-measuring device is aimed to tested point, read after distance valueBe uploaded to calculator, carry out computing by the program that calculator is built-in, automatically draw difference and show, thus canIntuitive judgment goes out the circularity of joint corner angle, unfitness of butt joint or cylindrical shell etc. and whether meets standard regulation; Overall structure is establishedRationally, easy and simple to handle, surveying work efficiency improves meter greatly, measures cost and is minimized.
On the basis of technique scheme, the utility model can also do following improvement.
Further, be provided with roller at support body two ends near cylindrical shell side.
Adopt the beneficial effect of above-mentioned further scheme to be: instrument is moved in arranging of roller can be convenient for measuring time.
Further, the breathing zone of described support body is strip or arc.
Adopt the beneficial effect of above-mentioned further scheme to be: the frame structure of strip, can facilitate in cylindrical shellThe surveying work of portion; The frame structure of arc, can measure cylindrical shell in outside.
Brief description of the drawings
Fig. 1 is the structural representation of distance-measuring device of the present utility model while being high accuracy range sensor;
Fig. 2 is the structure of distance-measuring device of the present utility model while being the combination of mobile slide bar and displacement transducerSchematic diagram;
Fig. 3 is the structural representation of arc support body of the present utility model.
Breathing zone in the drawings, 1; 2, slip reference block; 3, high accuracy range sensor; 31, mobile slidingBar; 32, displacement transducer; 4, calculator; 5, installing zone; 6, roller; 7, fastening bolt.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example is only for explainingThe utility model, is not intended to limit scope of the present utility model.
Embodiment mono-distance-measuring device is high accuracy range sensor 3
A kind of welding point size and cylinder roundness testing instruments, comprise the support body with rule, describedBody middle part is that installing zone 5, two ends are breathing zone 1; Be provided with high accuracy range sensor 3 at support body center, inThe support body of high accuracy range sensor 3 one sides is provided with the slip reference block 2 of being installed by fastening bolt 7; DescribedHigh accuracy range sensor 3 is external for calculating the distance and setting numerical value or benchmark of support body mid point apart from measurement pointThe calculator 4 of the difference of numerical value; High accuracy range sensor 3 can be integrated with calculator 4, also canConnect by data wire or other wireless technology, high accuracy range sensor 3 is surveyed for measuring support body centre-to-centre spacingThe distance of amount point, and the position that should send light instruction institute measuring point; Be provided with and roll near cylindrical shell side at support body two endsWheel 6, moves instrument while being convenient for measuring.
A, to measure welding point hoop corner angle as example in inner barrel
Select bar shaped support body. Before measurement, first instrument is returned to zero, then input in calculator 4 is surveyedThe internal diameter size of cylindrical shell, and according to the length of the internal diameter size adjustment support body breathing zone 1 of surveyed cylindrical shell, and willSupport body is perpendicular to bead direction, and the indicator lamp of high accuracy range sensor 3 points to the position of surveying, and measures distanceRead mid point that numerical computations that high accuracy range sensor 3 measures goes out support body apart from measurement point from, calculator 4Distance, and with in calculator 4 set numerical value compare, try to achieve cylindrical shell and connect at this positionThe hoop corner angle value of head. In like manner can record the circularity of cylindrical shell by the method.
B, to measure welding point hoop unfitness of butt joint as example in inner barrel
Select bar shaped support body. Before measurement, first instrument is returned to zero, then input in calculator 4 is surveyedThe internal diameter size of cylindrical shell, and according to the length of the internal diameter size adjustment support body breathing zone 1 of surveyed cylindrical shell, and willSupport body is perpendicular to bead direction, and the indicator lamp of high accuracy range sensor 3 points to welding point one side, and surveysSpan from, and then measure opposite side, calculator 4 reads numerical value that high accuracy range sensor 3 measures alsoCalculate the numerical difference of twice, try to achieve the hoop unfitness of butt joint of cylindrical shell at this position welding point.
C, taking the wrong variable of measuring the circumferential welded seam welding point that width is larger as example
According to the requirement of measuring, regulate the spacing of slip reference block 2 and high accuracy range sensor 3, reachMeasure and require the rear fastening bolt 7 of using by fixing slip reference block 2, by slip reference block 2 and high accuracy distanceCan measure the wrong variable of welding point from the difference in height of sensor 3. In like manner can record cylindrical shell by the methodThe reinforcement of the circumferential welded seam that width is larger.
Embodiment bis-distance-measuring devices are that mobile slide bar 31 and displacement transducer 32 combine
A kind of welding point size and cylinder roundness testing instruments, comprise the support body with rule, describedBody middle part is that installing zone 5, two ends are breathing zone 1; Be provided with at support body center and can be free to slide perpendicular to support bodyMobile slide bar 31 and move the displacement transducer 32 of numerical value for measuring mobile slide bar 31 in support body vertical direction,Described displacement transducer 32 is arranged on mobile slide bar 31; In the support body of mobile slide bar 31 1 sides be provided with byThe slip reference block 2 that fastening bolt 7 is installed; Described displacement transducer 32 is external for calculating support body mid point distanceThe calculator 4 of the difference of the distance of measurement point and setting numerical value or benchmark numerical value; Range sensor 32 and calculatingDevice 4 can be integrated, and also can connect by data wire or other wireless technology.
A, to measure welding point hoop corner angle as example in inner barrel
Select bar shaped support body. Before measurement, first instrument is returned to zero, then input in calculator 4 is surveyedThe internal diameter size of cylindrical shell, and according to the length of the internal diameter size adjustment support body breathing zone 1 of surveyed cylindrical shell, and willSupport body is perpendicular to bead direction, and the mobile slide bar 31 that slides, makes its tip touch measuring point, displacement transducer32 determine the vertical sliding momentum of mobile slide bar 31, and calculator 4 calculates support body mid point after receiving distance valueApart from the distance of measurement point, compare with the numerical value of setting, try to achieve the ring of cylindrical shell at this position welding pointTo corner angle value. In like manner can record the circularity of cylindrical shell by the method.
B, to measure welding point hoop unfitness of butt joint as example in inner barrel
Select bar shaped support body. Before measurement, first instrument is returned to zero, then input in calculator 4 is surveyedThe internal diameter size of cylindrical shell, and according to the length of the internal diameter size adjustment support body breathing zone 1 of surveyed cylindrical shell, and willSupport body is perpendicular to bead direction, and the mobile slide bar 31 that slides, makes its tip touch welding point one side, and surveysSpan from, and then measure opposite side, displacement transducer 32 determines the vertical sliding momentum of mobile slide bar 31,Calculator 4 calculates twice numerical difference measuring after receiving distance value, tries to achieve cylindrical shell and connects at this positionThe hoop unfitness of butt joint of head.
C, taking the wrong variable of measuring the circumferential welded seam welding point that width is larger as example
According to the requirement of measuring, regulate slip reference block 2 and mobile slide bar 31 to make them lay respectively at jointTwo ends, reach after measurement requires and use fastening bolt 7 by fixing slip reference block 2, are obtained by displacement transducer 32The difference in height at reference block 2 and mobile slide bar 31 tips that goes out to slide, thus measure the wrong variable of welding point.In like manner can record the reinforcement of the circumferential welded seam that cylindrical shell width is larger by the method.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, allWithin spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., all should wrapWithin being contained in protection domain of the present utility model.

Claims (3)

1. welding point size and cylinder roundness testing instruments, is characterized in that: comprise with ruleSupport body, described support body middle part for installing zone (5), two ends be breathing zone (1); Be provided with distance at support body centerFrom measurement mechanism, be provided with the slip base of being installed by fastening bolt (7) in the support body of distance-measuring device one sideAccurate piece (2); Described distance-measuring device is external for calculating the distance and setting number of support body mid point apart from measurement pointThe calculator (4) of the difference of value or benchmark numerical value;
Described distance-measuring device is high accuracy range sensor (3); Or
Described distance-measuring device comprises mobile cunning that is arranged on support body center and can be free to slide perpendicular to support bodyBar (31) and move the displacement transducer (32) of numerical value for measuring mobile slide bar (31) in support body vertical direction,Described displacement transducer (32) is arranged on installing zone (5).
2. welding point size according to claim 1 and cylinder roundness testing instruments, is characterized in that:Be provided with roller (6) at support body two ends near cylindrical shell side.
3. welding point size according to claim 1 and 2 and cylinder roundness testing instruments, its featureBe: the breathing zone (1) of described support body is strip or arc.
CN201521106807.XU 2015-12-25 2015-12-25 Welded joint size and barrel circularity testing instruments Expired - Fee Related CN205300541U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521106807.XU CN205300541U (en) 2015-12-25 2015-12-25 Welded joint size and barrel circularity testing instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521106807.XU CN205300541U (en) 2015-12-25 2015-12-25 Welded joint size and barrel circularity testing instruments

Publications (1)

Publication Number Publication Date
CN205300541U true CN205300541U (en) 2016-06-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521106807.XU Expired - Fee Related CN205300541U (en) 2015-12-25 2015-12-25 Welded joint size and barrel circularity testing instruments

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105783805A (en) * 2015-12-25 2016-07-20 烟台市特种设备检验研究院 Apparatus for examining welded joint dimension and cylindrical shell circularity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105783805A (en) * 2015-12-25 2016-07-20 烟台市特种设备检验研究院 Apparatus for examining welded joint dimension and cylindrical shell circularity
CN105783805B (en) * 2015-12-25 2018-09-25 烟台市特种设备检验研究院 Welding point size and cylinder roundness testing instruments

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160608

Termination date: 20161225