CN103175476A - Pipe material length automatic measurement devices and measurement method thereof - Google Patents
Pipe material length automatic measurement devices and measurement method thereof Download PDFInfo
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- CN103175476A CN103175476A CN2011104420588A CN201110442058A CN103175476A CN 103175476 A CN103175476 A CN 103175476A CN 2011104420588 A CN2011104420588 A CN 2011104420588A CN 201110442058 A CN201110442058 A CN 201110442058A CN 103175476 A CN103175476 A CN 103175476A
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Abstract
The invention relates to length measurement equipment, particularly to pipe material length automatic measurement devices and a measurement method thereof. Each of the two pipe material length automatic measurement devices comprises a positioning detection mechanism, a driving mechanism and a base. The positioning detection mechanism and the driving mechanism are arranged on the base. The positioning detection mechanism which is connected with the driving mechanism is driven through the driving mechanism to perform reciprocating motion on the base. The measurement method includes that the bilateral sides of pipe materials to be measured are respectively provided with an automatic measurement device and a distance between zero points of the two automatic measurement devices is known; the positioning detection mechanism of each of the two automatic measurement devices moves towards a direction of the pipe materials to be measured and stops when end faces which are arranged at two ends of the pipe materials to be measured are detected to obtain respective displacement distances of the bilateral positioning detection mechanisms; and the distance between the zero points of the two automatic measurement devices subtracts the respective displacement distances of the bilateral positioning detection mechanisms to obtain a length of the pipe materials to be measured. The pipe material length automatic measurement devices have the advantages of achieving length automatic measurement and being simple in structure. The measurement method of the pipe material length has the advantages of saving time and effort and achieving rapid and reliable detection.
Description
Technical field
The present invention relates to linear measure longimetry equipment, specifically a kind of materials in the tube length self-operated measuring unit and measuring method thereof.
Background technology
Large Diameter Pipeline heavy wall industrial pipeline occupies an important position in commercial production.This class pipeline adopts all that steel plate is curling to be welded, and is steel pipe processing enterprise problem demanding prompt solution for the survey farm labourer of each section welded pipe line always.The rectangular method of tradition survey is all held tape measure by the operator and is come amount, and this method mainly contains following shortcoming:
1. need to coordinate more than two people complex operation;
2. can bring artificial reading error by the method that manually reads tape measure;
3. to by manually carrying out computer input, easily produce mistake after manually reading.
Under the formula that becomes greatly that industrial automation is produced, the measurement of Product Process parameter is required to realize robotization, so traditional method of measuring by the people can't satisfy the needs of automated production.
Summary of the invention
Survey in order to solve Traditional Man the above-mentioned shortcoming that rectangular method exists, the object of the present invention is to provide a kind of materials in the tube length self-operated measuring unit and measuring method thereof.
The objective of the invention is to be achieved through the following technical solutions:
Self-operated measuring unit of the present invention comprises positioning detection mechanism, driving mechanism and base, wherein positioning detection mechanism is arranged on base, described driving mechanism is arranged on base, and described positioning detection mechanism is connected with driving mechanism, and the driving by driving mechanism moves back and forth on described base.
Wherein: two line slideways that are parallel to each other are installed on described base, and described positioning detection mechanism moves back and forth along line slideway; Described driving mechanism comprises servomotor, ball-screw and screw, wherein servomotor is arranged on described base, the two ends of described ball-screw are rotationally connected with respectively base, ball-screw is passed with the output shaft of described servomotor by base away from an end of tested materials in the tube and is connected, with the output shaft rotation of servomotor, screw has been threaded on described ball-screw; One side of described servomotor be provided be arranged on base, whether detection and location testing agencies is positioned at zero point approach switch; Described servomotor is with scrambler; Described positioning detection mechanism comprises slide unit, support and optoelectronic switch, and wherein slide unit is connected with driving mechanism, and an end of support is arranged on slide unit, and the other end is provided with the optoelectronic switch that detects the materials in the tube end face; The two ends of described slide unit are separately installed with support, each support is " L " type, the horizontal edge of " L " type support is parallel with the upper surface of described base, and the vertical edge of " L " type support is perpendicular to the upper surface of base, and described optoelectronic switch is positioned at the top of the vertical edge of " L " type support; Two residing height of optoelectronic switch are identical.
Measuring method of the present invention is:
Both sides in tested materials in the tube, place respectively self-operated measuring unit, the distance of two self-operated measuring units between zero point is known, the driving mechanism of positioning detection mechanism in each self-operated measuring unit by separately drive, move to the direction of tested materials in the tube, when the positioning detection mechanism of both sides detects the two ends end face of tested materials in the tube, positioning detection mechanism stops, draw both sides positioning detection mechanism displacement separately, deduct both sides positioning detection mechanism displacement separately by the distance of two self-operated measuring units between zero point and but be the length of tested materials in the tube.
before detection, the positioning detection mechanism of both sides is all got back to null position, measure the distance of tested materials in the tube both sides self-operated measuring unit between zero point, then allow the positioning detection mechanism of driven by servomotor self-operated measuring unit of driving mechanism of tested materials in the tube both sides move to tested materials in the tube simultaneously, when detecting the end face of tested materials in the tube of this side, sends by the optoelectronic switch of either side positioning detection mechanism signal, stopping this side positioning detection mechanism moves, after the both sides positioning detection mechanism all stops, record the displacement of both sides positioning detection mechanism, deduct both sides positioning detection mechanism displacement separately by the distance of two self-operated measuring units between zero point and just be the length of tested materials in the tube.
Advantage of the present invention and good effect are:
1. novel structure of the present invention, adopt switch detection and driven by servomotor to realize the automatic measurement of length, and process is simple, is connected reliable.
2. due to the servo positioning method that adopts fast and reliable, whole testing process is time saving and energy saving, has realized the detection of fast and reliable, and the online linear measure longimetry time is protected.
3. the present invention can guarantee that whole testing process is reliably efficient.
Description of drawings
Fig. 1 is the structural representation of measurement mechanism of the present invention;
Wherein: 1 is servomotor, and 2 is ball-screw, and 3 is screw, and 4 is slide unit, and 5 is support, and 6 is optoelectronic switch, and 7 is line slideway, and 8 is base, and 9 is tested materials in the tube;
Fig. 2 is the structure principle chart of measurement mechanism of the present invention;
Fig. 3 is the control flow chart of measuring method of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, self-operated measuring unit of the present invention comprises positioning detection mechanism, driving mechanism and base 8, two line slideways that are parallel to each other 7 wherein are installed on base 8, positioning detection mechanism is arranged on the line slideway 7 of base 8, described driving mechanism is arranged on base 8, positioning detection mechanism is connected with driving mechanism, moves along line slideway 7 horizontal reciprocatings by the driving of driving mechanism.
Driving mechanism comprises servomotor 1, ball-screw 2 and screw 3, wherein the two ends of ball-screw 2 are rotationally connected with respectively on base 8, ball-screw 2 is passed, is connected by shaft coupling with the output shaft of the servomotor 1 that is arranged on base 8 these ends by base 8 away from an end of tested materials in the tube 9, with the output shaft rotation of servomotor 1, screw 3 has been threaded on described ball-screw 2.Be provided with in a side of servomotor 1 be arranged on base 1, whether detection and location testing agencies is positioned at zero point approach switch, servomotor 1 is with scrambler.
Positioning detection mechanism comprises slide unit 4, support 5 and optoelectronic switch 6, and wherein slide unit 4 is fixed on screw 3, and the two ends of slide unit 4 are connected with line slideway 7 respectively; The two ends of slide unit 4 are separately installed with support 5, and each support 5 is " L " type, and the horizontal edge of " L " type support 5 is parallel with the upper surface of base 1, and the vertical edge of " L " type support 5 is perpendicular to the upper surface of base 1; Horizontal edge and the slide unit 4 of " L " type support 5 are affixed, and two residing height of optoelectronic switch 6 that the top of the vertical edge of " L " type support 5 is provided with on 6, two supports 5 of optoelectronic switch that detect the materials in the tube end face are identical.
In order to realize the automatic control of self-operated measuring unit of the present invention, optoelectronic switch 6 (the material detector switch is arranged) has been installed on support 5, servomotor 1 carries scrambler, a side at base 8 close servomotors 1 is equipped with approach switch, wherein whether optoelectronic switch 6 (the material detector switch is arranged) detection and location testing agencies moves to the end of tested materials in the tube 9, scrambler is used for the position of Real-time Feedback slide unit 4, and when approach switch powers on for system, slide unit 4 returns zero detection.
Measuring method of the present invention is:
Both sides in tested materials in the tube 9, place respectively self-operated measuring unit, the distance of two self-operated measuring units between zero point is known, the driving mechanism of positioning detection mechanism in each self-operated measuring unit by separately drive, move to the direction of tested materials in the tube 9, when the positioning detection mechanism of both sides detects the two ends end face of tested materials in the tube 9, positioning detection mechanism stops, draw both sides positioning detection mechanism displacement separately, deduct both sides positioning detection mechanism displacement separately by the distance of two self-operated measuring units between zero point and but be the length of tested materials in the tube 9.
before detection, the positioning detection mechanism of both sides is all got back to null position, measure the distance of tested materials in the tube 9 both sides self-operated measuring units between zero point, then the positioning detection mechanism that allows the servomotor 1 of driving mechanism of tested materials in the tube 9 both sides drive self-operated measuring unit moves to tested materials in the tube 9 simultaneously, when detecting the end face of tested materials in the tube 9 of this side, sends by the optoelectronic switch 6 of either side positioning detection mechanism signal, stopping this side positioning detection mechanism moves, after the both sides positioning detection mechanism all stops, record the displacement of both sides positioning detection mechanism, deduct both sides positioning detection mechanism displacement separately by the distance of two self-operated measuring units between zero point and just be the length of tested materials in the tube 9.
As shown in Figure 3, measuring method of the present invention is specific as follows:
The present embodiment is with diameter 2m, and the materials in the tube of long 8m are example.Beginning starts self-check program, parameter, mechanism's initialization; Parameter comprises: in the self-operated measuring unit of both sides positioning detection mechanism between zero point distance for 14m; Two optoelectronic switch 6 center lines of every side are 0m apart from the distance at zero point; The travelling speed of slide unit 4 is 0.8m/s; The zeroing that returns of tested materials in the tube 9 both sides positioning detection mechanism is completed in mechanism's initialization.
Judged whether to begin to detect the enable signal that external signal provides for Upper system by external signal; As allowing, thus the servomotor 1 of driving mechanism drive ball-screw 2 rotations drive slide units 4 and on support 5 and optoelectronic switch 6 advance;
When the optoelectronic switch 6 on support 5 detects the end face of tested materials in the tube 9, stop advancing of slide unit 4;
The pulse reading of record both sides scrambler this moment;
Survey long data calculate (be in the self-operated measuring unit of both sides positioning detection mechanism between zero point distance deduct for 14m the distance that every side positioning detection mechanism moves);
The positioning detection mechanism of both sides is got back to null position under driving mechanism drives;
Result of calculation is offered that upper structure is preserved and sent to host computer by controller and survey long complete signal, wait for that the survey of next materials in the tube is long.
The PLC-200 controller that the present embodiment adopts Siemens Company to produce is done main control unit, the optoelectronic switch that the approach switch that approach switch adopts Tours gram company to produce, optoelectronic switch 6 (the material detector switch is arranged) adopt the military company in mountain to produce.
Claims (10)
1. materials in the tube length self-operated measuring unit, it is characterized in that: comprise positioning detection mechanism, driving mechanism and base (8), wherein positioning detection mechanism is arranged on base (8), described driving mechanism is arranged on base (8), described positioning detection mechanism is connected with driving mechanism, and the driving by driving mechanism moves back and forth on described base (8).
2. by materials in the tube length self-operated measuring unit claimed in claim 1, it is characterized in that: two line slideways that are parallel to each other (7) are installed on described base (8), and described positioning detection mechanism moves back and forth along line slideway (7).
3. by the described materials in the tube length of claim 1 or 2 self-operated measuring unit, it is characterized in that: described driving mechanism comprises servomotor (1), ball-screw (2) and screw (3), wherein servomotor (1) is arranged on described base (8), the two ends of described ball-screw (2) are rotationally connected with respectively base (8), ball-screw (2) is passed with the output shaft of described servomotor (1) by base (8) away from an end of tested materials in the tube (9) and is connected, output shaft rotation with servomotor (1), screw (3) has been threaded on described ball-screw (2).
4. by materials in the tube length self-operated measuring unit claimed in claim 3, it is characterized in that: the approach switch that a side of described servomotor (1) is provided with and is arranged on that base (1) is upper, whether detection and location testing agencies is positioned at zero point.
5. by materials in the tube length self-operated measuring unit claimed in claim 3, it is characterized in that: described servomotor (1) is with scrambler.
6. by the described materials in the tube length of claim 1 or 2 self-operated measuring unit, it is characterized in that: described positioning detection mechanism comprises slide unit (4), support (5) and optoelectronic switch (6), wherein slide unit (4) is connected with driving mechanism, one end of support (5) is arranged on slide unit (4), and the other end is provided with the optoelectronic switch (6) that detects the materials in the tube end face.
7. by materials in the tube length self-operated measuring unit claimed in claim 6, it is characterized in that: the two ends of described slide unit (4) are separately installed with support (5), each support (5) is " L " type, the horizontal edge of " L " type support (5) is parallel with the upper surface of described base (1), the vertical edge of " L " type support (5) is perpendicular to the upper surface of base (1), and described optoelectronic switch (6) is positioned at the top of the vertical edge of " L " type support (5).
8. by materials in the tube length self-operated measuring unit claimed in claim 7, it is characterized in that: the residing height of two optoelectronic switches (6) is identical.
9. measuring method by the described materials in the tube length of claim 1 self-operated measuring unit, it is characterized in that: the both sides in tested materials in the tube (9), place respectively self-operated measuring unit, the distance of two self-operated measuring units between zero point is known, positioning detection mechanism in each self-operated measuring unit drives by driving mechanism separately, direction to tested materials in the tube (9) moves, when the positioning detection mechanism of both sides detects the two ends end face of tested materials in the tube (9), positioning detection mechanism stops, draw both sides positioning detection mechanism displacement separately, deduct both sides positioning detection mechanism displacement separately by the distance of two self-operated measuring units between zero point and but be the length of tested materials in the tube (9).
10. by measuring method claimed in claim 9, it is characterized in that: before detection, the positioning detection mechanism of both sides is all got back to null position, measure the distance of tested materials in the tube (9) both sides self-operated measuring unit between zero point, then allow the servomotor (1) of driving mechanism of tested materials in the tube (9) both sides drive the positioning detection mechanism of self-operated measuring unit mobile to tested materials in the tube (9) simultaneously, when detecting the end face of tested materials in the tube (9) of this side, sends by the optoelectronic switch (6) of either side positioning detection mechanism signal, stopping this side positioning detection mechanism moves, after the both sides positioning detection mechanism all stops, record the displacement of both sides positioning detection mechanism, deduct both sides positioning detection mechanism displacement separately by the distance of two self-operated measuring units between zero point and just be the length of tested materials in the tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110442058.8A CN103175476B (en) | 2011-12-26 | 2011-12-26 | A kind of materials in the tube length self-operated measuring unit and measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110442058.8A CN103175476B (en) | 2011-12-26 | 2011-12-26 | A kind of materials in the tube length self-operated measuring unit and measuring method thereof |
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| Publication Number | Publication Date |
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| CN103175476A true CN103175476A (en) | 2013-06-26 |
| CN103175476B CN103175476B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110442058.8A Expired - Fee Related CN103175476B (en) | 2011-12-26 | 2011-12-26 | A kind of materials in the tube length self-operated measuring unit and measuring method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279964A (en) * | 2014-10-30 | 2015-01-14 | 黑龙江中科诺晟自动化设备开发有限公司 | Pill case width measuring method based on optical signals and encoder signals |
| CN110455174A (en) * | 2019-08-01 | 2019-11-15 | 福州国化智能技术有限公司 | A kind of rod piece flexibility self-operated measuring unit |
| CN112284318A (en) * | 2020-10-22 | 2021-01-29 | 广州文冲船厂有限责任公司 | Pipe fitting measuring device and measuring method |
Citations (5)
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| JPH02208501A (en) * | 1989-02-08 | 1990-08-20 | Hitachi Ltd | Recognition of hole position |
| JPH0771921A (en) * | 1993-09-01 | 1995-03-17 | Daido Steel Co Ltd | Length measuring device for steel |
| CN201051041Y (en) * | 2007-04-28 | 2008-04-23 | 天津赛瑞机器设备有限公司 | Length measuring device for static water pressure tester |
| CN201269746Y (en) * | 2008-09-16 | 2009-07-08 | 宝山钢铁股份有限公司 | Steel pipe length measurement apparatus |
| CN202372143U (en) * | 2011-12-26 | 2012-08-08 | 中国科学院沈阳自动化研究所 | Automatic pipe length measuring device |
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2011
- 2011-12-26 CN CN201110442058.8A patent/CN103175476B/en not_active Expired - Fee Related
Patent Citations (5)
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|---|---|---|---|---|
| JPH02208501A (en) * | 1989-02-08 | 1990-08-20 | Hitachi Ltd | Recognition of hole position |
| JPH0771921A (en) * | 1993-09-01 | 1995-03-17 | Daido Steel Co Ltd | Length measuring device for steel |
| CN201051041Y (en) * | 2007-04-28 | 2008-04-23 | 天津赛瑞机器设备有限公司 | Length measuring device for static water pressure tester |
| CN201269746Y (en) * | 2008-09-16 | 2009-07-08 | 宝山钢铁股份有限公司 | Steel pipe length measurement apparatus |
| CN202372143U (en) * | 2011-12-26 | 2012-08-08 | 中国科学院沈阳自动化研究所 | Automatic pipe length measuring device |
Non-Patent Citations (2)
| Title |
|---|
| 刘亮: "钢管推杆式测长误差产生的原因分析和解决方案", 《冶金自动化》, 31 December 2009 (2009-12-31), pages 224 - 226 * |
| 方力 等: "一种间接测量钢管长度的新方法", 《计量技术》, no. 2, 31 December 2010 (2010-12-31), pages 37 - 38 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279964A (en) * | 2014-10-30 | 2015-01-14 | 黑龙江中科诺晟自动化设备开发有限公司 | Pill case width measuring method based on optical signals and encoder signals |
| CN110455174A (en) * | 2019-08-01 | 2019-11-15 | 福州国化智能技术有限公司 | A kind of rod piece flexibility self-operated measuring unit |
| CN112284318A (en) * | 2020-10-22 | 2021-01-29 | 广州文冲船厂有限责任公司 | Pipe fitting measuring device and measuring method |
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| CN103175476B (en) | 2016-01-20 |
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