CN104180783A - Tool scale for measuring flat block or protrusion of welded tube and measuring method for using tool scale - Google Patents
Tool scale for measuring flat block or protrusion of welded tube and measuring method for using tool scale Download PDFInfo
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- CN104180783A CN104180783A CN201410459553.3A CN201410459553A CN104180783A CN 104180783 A CN104180783 A CN 104180783A CN 201410459553 A CN201410459553 A CN 201410459553A CN 104180783 A CN104180783 A CN 104180783A
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- pout
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Abstract
The invention provides a tool scale for measuring a flat block or a protrusion of a welded tube and a measuring method for using the tool scale. The tool scale comprises a transverse scale body, a vertical scale body and an electronic measurement component, wherein the vertical scale body is perpendicular to the transverse scale body, the vertical scale body is located in the center of the transverse scale body and can slide vertically relative to the transverse scale body, the vertical scale body is fixed relative to the transverse scale body in the left and right direction, the electronic measurement component is fixed to the transverse scale body, a main grid is arranged on the vertical scale body, and an auxiliary grid is arranged on the electronic measurement component. The electronic measurement component comprises a main grid and auxiliary grid relative displacement measuring device, an electronic computing device and a display device, wherein the main grid and auxiliary grid relative displacement measuring device and the display device are both connected to the electronic computing device. The tool scale can be used for measuring steel tubes of different specifications, influences of the surplus height of weld joints on the measuring process are avoided, measurement is as accurate as 0.01 mm, measurement accuracy is improved, and the tool scale is easy to operate, convenient to read and easy to control.
Description
Technical field
The present invention relates to petroleum pipe line conveying equipment technical field, especially relate to a kind of measuring method of measuring flat of welded tube or the tool ruler being in a pout and using it.
Background technology
(GB/T9711-2011) and in " pipeline steel tube specification " (API SPEC 5L 45TH), all the deviation of steel pipe physical dimension is made to relevant regulations at " industrial gas oil pipeline induction system steel pipe ".Wherein, clause 9.10.5.1 thes contents are as follows:
" except falling hole; depart from (as flat or be in a pout etc.) because steel pipe forming technique or manufacturing operation cause steel pipe real profile with respect to the physical dimension of the normal cylinder profile of steel pipe, the spacing (being the degree of depth) between its extreme point and steel pipe normal profile extension should not exceed 3.2mm (0.125in).”
Flat and the schematic diagram that is in a pout are as Fig. 1 and Fig. 2:
For the physical dimension deviation of controlling flat of steel pipe and being in a pout, in GB/T9711-2011 and API SPEC 5L45TH, clause 10.2.8.4 has made regulation specially: " should be in SAW and COW pipe end commissure; measure flat and be in a pout with respect to the maximum deviation of steel pipe theoretical profile by template, template perpendicular to steel shaft to ".
In actual applications, need to adopt template to coordinate the method for clearance gauge to measure, and mainly there are following 2 deficiencies: (1) each specification steel pipe all needs a template, even if the steel pipe of same diameter different wall also needs different templates, thereby need to make a large amount of templates; (2) particularly submerged-arc welding steel pipe of welded tube, flat is mainly present in weld seam both sides with being in a pout, and because the existence of weld seam need to be made reserved opening in template, even so also has the inconvenient situation of measuring.
Summary of the invention
The object of the invention is to design a kind of flat novel of measurement welded tube or the tool ruler being in a pout, address the above problem.
To achieve these goals, the technical solution used in the present invention is as follows:
The tool ruler measuring flat of welded tube or be in a pout, comprises crossfoot, perpendicular chi and electronic measuring part; Described perpendicular chi is perpendicular to described crossfoot, and described perpendicular chi is positioned at the central authorities of described crossfoot and slidably arranges up and down with respect to described crossfoot, but described perpendicular chi is fixing on left and right directions with respect to described crossfoot; Described electronic measuring part is fixed on described crossfoot; Described perpendicular chi is provided with main grid, and described electronic measuring part is provided with secondary grid;
Described electronic measuring part comprises primary and secondary gratings relative displacement measurement mechanism, computing electronics and display device, and described primary and secondary gratings relative displacement measurement mechanism and described display device are all connected to described computing electronics.
Described primary and secondary gratings relative displacement measurement mechanism is capacitive displacement transducer; Described display device is digital LCD.
The length of described crossfoot is 254mm, and the length of described main grid is 150mm.
The upper and lower end parts of described perpendicular chi is equipped with stop means, comprises that 0 end is spacing and maximal value is spacing.
Measurement, calculating and the display precision of described electronic measuring part is 0.01mm.
Described electronic measuring part also comprises six regulating keys:
" on/off " key, closes described electronic measuring part for opening;
" zero " key, for calibration equipment;
" set " key, for arranging pipe diameter;
" ok " key, for calculating flat or the irregular amount that is in a pout;
"+" key and "-" key, for regulating input data.
A measuring method for the tool ruler that uses flat described of measurement welded tube or be in a pout,
S1, open display device: take out survey instrument chi, press on/off button, open digital LCD, show current perpendicular chi amount of movement;
S2, input pipe diameter: press successively " set " key and regulate data by "+" key and "-" key, the theoretical internal diameter of input steel pipe;
S3, calibration equipment: mobile perpendicular chi to 0 end is spacing, when digital LCD is that 0.00mm is without calibration equipment; Otherwise press zero button and carry out verification;
S4, find steel pipe be in a pout or flat maximum irregular: described crossfoot two ends are contacted to Move tool chi the least regular point place that finds flat of steel pipe or be in a pout with steel pipe inner wall;
S5, calculating are in a pout or flat block size: press " ok " key, calculated voluntarily and shown and be in a pout or flat block size in digital LCD by electronic measuring part.
In S4, in the time that measurement is in a pout, perpendicular chi moves maximum, and liquid crystal display shows that numeral is maximum; In the time measuring flat, perpendicular chi moves minimum, and liquid crystal display shows that numeral is minimum;
In S5, the numerical values recited that is in a pout is positive number, and flat numerical values recited is negative.
For fear of the deficiency that adopts in actual applications template to measure, the present invention proposes a kind of novel for measuring flat of welded tube and the survey instrument chi that is in a pout, as shown in Figure 3:
The measuring principle of this tool ruler as shown in Figure 4.Wherein O is the steel pipe xsect center of circle, and OA=OD=OB is steel pipe inside radius, CD=OD-sqrt (OA
2-AC
2) be theoretical string distance.
Fig. 5 is dip stick partial enlarged drawing, wherein:
Crossfoot.Length is 254mm, and when measurement, its two ends are for fixing to steel pipe inner wall;
Perpendicular chi.On it, be fixed with main grid, length is 150mm, can in 3, realize and move up and down (left and right can not be moved), and upper and lower end parts is equipped with spacing (0 end and 150mm end are spacing);
Electronic unit case.Assembling and be fixed on crossfoot wherein built-in capacitive displacement transducer, storer, counter, appearance integrated circuit, display device, secondary grid and 6 adjusting buttons for grid;
Display device.When perpendicular chi moves up and down, main grid and secondary grid directly produce relative displacement, and convert digital quantity to, show by liquid crystal display, and precision is 0.01mm;
Six regulating keys.(1) " on/off " key, closes display device for opening; (2) " zero " key, for calibration equipment; (3) " set " key, for arranging pipe diameter; (4) " ok " key, for calculating flat or the irregular amount that is in a pout; (5) "+" key and "-" key, for regulating input data.
The use of flat of welded tube or the tool ruler that is in a pout
Taking Φ 813 × 14.2mm specification welded tube as example, the use of this survey instrument chi is described, be mainly following several step.
1, open display device.Take out survey instrument chi, press on/off button, open digital LCD, show current perpendicular chi amount of movement.As shown in Figure 6:
2, input pipe diameter.Press successively " set " key and regulate data by "+" key and "-" key, the theoretical internal diameter of input steel pipe is 813.00mm-2*14.20mm=784.60mm herein.See Fig. 7:
3, calibration equipment.Mobile perpendicular chi to 0 end is spacing, as digital LCD be 0.00mm without calibration equipment, carry out verification otherwise press zero button.See Fig. 8:
4, find steel pipe be in a pout or flat maximum irregular.Tool ruler crossfoot two ends are contacted to Move tool chi the least regular point place that finds flat of steel pipe or be in a pout with steel pipe inner wall.In the time that measurement is in a pout, perpendicular chi moves maximum, and liquid crystal display shows that numeral is maximum; In the time measuring flat, perpendicular chi moves minimum, and liquid crystal display shows that numeral is minimum.See Fig. 9 and Figure 10.
5, calculate and be in a pout or flat block size.Press " ok " key, calculate voluntarily and show and be in a pout or flat block size in digital LCD by electronic measuring part.Wherein, the numerical values recited that is in a pout is positive number, and flat numerical values recited is negative.As shown in FIG. 11 and 12:
Beneficial effect of the present invention can be summarized as follows:
1, the present invention one can be for the measurement of each specification steel pipe tool ruler;
2, the present invention has avoided the impact of weld reinforcement on measuring process;
3, the present invention's measurement is accurate to 0.01mm, has increased measuring accuracy;
4, the present invention operates succinctly, and convenient reading is easy to manipulation.
Brief description of the drawings
Fig. 1 is the schematic diagram of flat;
Fig. 2 is the schematic diagram being in a pout;
Fig. 3 is the overall situation figure of detection ruler of the present invention;
Fig. 4 is the schematic diagram of measuring principle of the present invention;
Fig. 5 is dip stick partial enlarged drawing of the present invention;
Fig. 6 is the schematic diagram of opening display device in the present invention;
Fig. 7 is the schematic diagram of input pipe diameter;
Fig. 8 is the schematic diagram of calibration equipment;
Fig. 9 is for finding the maximum irregular schematic diagram that is in a pout;
Figure 10 is for finding the flat irregular schematic diagram of maximum;
Figure 11 calculates the big or small schematic diagram that is in a pout;
Figure 12 calculates the schematic diagram of flat block size.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of tool ruler of measuring flat of welded tube or being in a pout as shown in Figure 3 and Figure 5, comprises crossfoot 1, perpendicular chi 2 and electronic measuring part 3; Described perpendicular chi 2 is perpendicular to described crossfoot 1, and described perpendicular chi 2 is positioned at the central authorities of described crossfoot 1 and slidably arranges up and down with respect to described crossfoot 1, but described perpendicular chi 2 is fixing on left and right directions with respect to described crossfoot 1; Described electronic measuring part 3 is fixed on described crossfoot 1; Described perpendicular chi 2 is provided with main grid, and described electronic measuring part 3 is provided with secondary grid; Described electronic measuring part 3 comprises primary and secondary gratings relative displacement measurement mechanism, computing electronics and display device 4, and described primary and secondary gratings relative displacement measurement mechanism and described display device 4 are all connected to described computing electronics.
In the embodiment being more preferably, described primary and secondary gratings relative displacement measurement mechanism is capacitive displacement transducer; Described display device 4 is digital LCD.
In the embodiment being more preferably, the length of described crossfoot 1 is 254mm, and the length of described main grid is 150mm.
In the embodiment being more preferably, the upper and lower end parts of described perpendicular chi 2 is equipped with stop means, comprises that 0 end is spacing and maximal value is spacing.
In the embodiment being more preferably, the measurement of described electronic measuring part 3, calculating and display precision are 0.01mm.
In the embodiment being more preferably, described electronic measuring part 3 also comprises six regulating keys 5:
" on/off " key, closes described electronic measuring part 3 for opening;
" zero " key, for calibration equipment;
" set " key, for arranging pipe diameter;
" ok " key, for calculating flat or the irregular amount that is in a pout;
"+" key and "-" key, for regulating input data.
A measuring method for the tool ruler that uses flat described of measurement welded tube or be in a pout,
S1, open display device 4: take out survey instrument chi, press on/off button, open digital LCD, show current perpendicular chi 2 amount of movements;
S2, input pipe diameter: press successively " set " key and regulate data by "+" key and "-" key, the theoretical internal diameter of input steel pipe;
S3, calibration equipment: mobile perpendicular chi 2 to 0 ends are spacing, when digital LCD is that 0.00mm is without calibration equipment; Otherwise press zero button and carry out verification;
S4, find steel pipe be in a pout or flat maximum irregular: described crossfoot 1 two ends are contacted to Move tool chi the least regular point place that finds flat of steel pipe or be in a pout with steel pipe inner wall;
S5, calculating are in a pout or flat block size: press " ok " key, calculated voluntarily and shown and be in a pout or flat block size in digital LCD by electronic measuring part 3.
In the embodiment being more preferably, in S4, in the time that measurement is in a pout, perpendicular chi 2 moves maximum, and liquid crystal display shows that numeral is maximum; In the time measuring flat, perpendicular chi 2 moves minimum, and liquid crystal display shows that numeral is minimum;
In S5, the numerical values recited that is in a pout is positive number, and flat numerical values recited is negative.
In certain preferred embodiment: a kind of tool ruler of measuring flat of welded tube or be in a pout as shown in Figure 3:
The measuring principle of this tool ruler as shown in Figure 4.Wherein O is the steel pipe xsect center of circle, and OA=OD=OB is steel pipe inside radius, CD=OD-sqrt (OA
2-AC
2) be theoretical string distance.
Fig. 5 is dip stick partial enlarged drawing, wherein:
Crossfoot 1.Length is 254mm, and when measurement, its two ends are for fixing to steel pipe inner wall;
Perpendicular chi 2.On it, be fixed with main grid, length is 150mm, can in 3, realize and move up and down (left and right can not be moved), and upper and lower end parts is equipped with spacing (0 end and 150mm end are spacing);
Electronic unit case.Assembling and be fixed on crossfoot 1 wherein built-in capacitive displacement transducer, storer, counter, appearance integrated circuit, display device 4, secondary grid and 6 adjusting buttons for grid;
Display device 4.When perpendicular chi 2 moves up and down, main grid and secondary grid directly produce relative displacement, and convert digital quantity to, show by liquid crystal display, and precision is 0.01mm;
Six regulating keys 5.(1) " on/off " key, closes display device 4 for opening; (2) " zero " key, for calibration equipment; (3) " set " key, for arranging pipe diameter; (4) " ok " key, for calculating flat or the irregular amount that is in a pout; (5) "+" key and "-" key, for regulating input data.
The use of flat of welded tube or the tool ruler that is in a pout
Taking Φ 813 × 14.2mm specification welded tube as example, the use of this survey instrument chi is described, be mainly following several step.
1, open display device 4.Take out survey instrument chi, press on/off button, open digital LCD, show current perpendicular chi 2 amount of movements.As shown in Figure 6:
2, input pipe diameter.Press successively " set " key and regulate data by "+" key and "-" key, the theoretical internal diameter of input steel pipe is 813.00mm-2*14.20mm=784.60mm herein.See Fig. 7:
3, calibration equipment.Mobile perpendicular chi 2 to 0 ends are spacing, as digital LCD be 0.00mm without calibration equipment, carry out verification otherwise press zero button.See Fig. 8:
4, find steel pipe be in a pout or flat maximum irregular.Tool ruler crossfoot 1 two ends are contacted to Move tool chi the least regular point place that finds flat of steel pipe or be in a pout with steel pipe inner wall.In the time that measurement is in a pout, perpendicular chi 2 moves maximum, and liquid crystal display shows that numeral is maximum; In the time measuring flat, perpendicular chi 2 moves minimum, and liquid crystal display shows that numeral is minimum.See Fig. 9 and Figure 10.
5, calculate and be in a pout or flat block size.Press " ok " key, calculate voluntarily and show and be in a pout or flat block size in digital LCD by electronic measuring part 3.Wherein, the numerical values recited that is in a pout is positive number, and flat numerical values recited is negative.As shown in FIG. 11 and 12:
More than by the detailed description of concrete and preferred embodiment the present invention; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; within the spirit and principles in the present invention all; any amendment of doing, be equal to replacement etc., within protection scope of the present invention all should be included in.
Claims (8)
1. the tool ruler measuring flat of welded tube or be in a pout, is characterized in that: comprise crossfoot, perpendicular chi and electronic measuring part; Described perpendicular chi is perpendicular to described crossfoot, and described perpendicular chi is positioned at the central authorities of described crossfoot and slidably arranges up and down with respect to described crossfoot, but described perpendicular chi is fixing on left and right directions with respect to described crossfoot; Described electronic measuring part is fixed on described crossfoot; Described perpendicular chi is provided with main grid, and described electronic measuring part is provided with secondary grid;
Described electronic measuring part comprises primary and secondary gratings relative displacement measurement mechanism, computing electronics and display device, and described primary and secondary gratings relative displacement measurement mechanism and described display device are all connected to described computing electronics.
2. flat of measurement welded tube according to claim 1 or the tool ruler that is in a pout, is characterized in that: described primary and secondary gratings relative displacement measurement mechanism is capacitive displacement transducer; Described display device is digital LCD.
3. flat of measurement welded tube according to claim 1 or the tool ruler that is in a pout, is characterized in that: the length of described crossfoot is 254mm, and the length of described main grid is 150mm.
4. flat of measurement welded tube according to claim 1 or the tool ruler that is in a pout, is characterized in that: the upper and lower end parts of described perpendicular chi is equipped with stop means, comprises that 0 end is spacing and maximal value is spacing.
5. flat of measurement welded tube according to claim 1 or the tool ruler that is in a pout, is characterized in that: measurement, calculating and the display precision of described electronic measuring part is 0.01mm.
6. flat of measurement welded tube according to claim 1 or the tool ruler that is in a pout, is characterized in that: described electronic measuring part also comprises six regulating keys:
" on/off " key, closes described electronic measuring part for opening;
" zero " key, for calibration equipment;
" set " key, for arranging pipe diameter;
" ok " key, for calculating flat or the irregular amount that is in a pout;
"+" key and "-" key, for regulating input data.
7. right to use requires flat of measurement welded tube described in 1 to 6 or a measuring method for the tool ruler that is in a pout, it is characterized in that:
S1, open display device: take out survey instrument chi, press on/off button, open digital LCD, show current perpendicular chi amount of movement;
S2, input pipe diameter: press successively " set " key and regulate data by "+" key and "-" key, the theoretical internal diameter of input steel pipe;
S3, calibration equipment: mobile perpendicular chi to 0 end is spacing, when digital LCD is that 0.00mm is without calibration equipment; Otherwise press zero button and carry out verification;
S4, find steel pipe be in a pout or flat maximum irregular: described crossfoot two ends are contacted to Move tool chi the least regular point place that finds flat of steel pipe or be in a pout with steel pipe inner wall;
S5, calculating are in a pout or flat block size: press " ok " key, calculated voluntarily and shown and be in a pout or flat block size in digital LCD by electronic measuring part.
8. use according to claim 7 is measured flat of welded tube or the measuring method of the tool ruler that is in a pout, it is characterized in that:
In S4, in the time that measurement is in a pout, perpendicular chi moves maximum, and liquid crystal display shows that numeral is maximum; In the time measuring flat, perpendicular chi moves minimum, and liquid crystal display shows that numeral is minimum;
In S5, the numerical values recited that is in a pout is positive number, and flat numerical values recited is negative.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410459553.3A CN104180783B (en) | 2014-09-11 | 2014-09-11 | Measuring method by using tool scale for measuring flat block or protrusion of welded tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410459553.3A CN104180783B (en) | 2014-09-11 | 2014-09-11 | Measuring method by using tool scale for measuring flat block or protrusion of welded tube |
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| Publication Number | Publication Date |
|---|---|
| CN104180783A true CN104180783A (en) | 2014-12-03 |
| CN104180783B CN104180783B (en) | 2017-02-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784706A (en) * | 2018-06-08 | 2018-11-13 | 深圳市赢领智尚科技有限公司 | Measuring scale and straight crotch depth, bulging amount, the measurement method for sticking up stern amount and bow-backed amount |
| CN108895946A (en) * | 2018-08-06 | 2018-11-27 | 河南省锅炉压力容器安全检测研究院新乡分院 | Corrugated flue detection ruler |
| CN109142892A (en) * | 2018-09-28 | 2019-01-04 | 京信通信系统（中国）有限公司 | Auxiliary device for antenna radiation performance detection |
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| CN108784706A (en) * | 2018-06-08 | 2018-11-13 | 深圳市赢领智尚科技有限公司 | Measuring scale and straight crotch depth, bulging amount, the measurement method for sticking up stern amount and bow-backed amount |
| CN108895946A (en) * | 2018-08-06 | 2018-11-27 | 河南省锅炉压力容器安全检测研究院新乡分院 | Corrugated flue detection ruler |
| CN109142892A (en) * | 2018-09-28 | 2019-01-04 | 京信通信系统（中国）有限公司 | Auxiliary device for antenna radiation performance detection |
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| Publication number | Publication date |
|---|---|
| CN104180783B (en) | 2017-02-15 |
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