CN104359447A - Steel pipe roundness measuring instrument - Google Patents
Steel pipe roundness measuring instrument Download PDFInfo
- Publication number
- CN104359447A CN104359447A CN201410754269.9A CN201410754269A CN104359447A CN 104359447 A CN104359447 A CN 104359447A CN 201410754269 A CN201410754269 A CN 201410754269A CN 104359447 A CN104359447 A CN 104359447A
- Authority
- CN
- China
- Prior art keywords
- annulus
- steel pipe
- telescopic arm
- frame
- electric pushrod
- 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.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
Abstract
The invention relates to a steel pipe roundness measuring instrument, comprising a rack, displacement sensors and a data collection and disposal system, wherein the displacement sensors are electrically connected with the data collection and disposal system. The steel pipe roundness measuring instrument is characterized in that a plurality of scored pulleys and a power mechanism are arranged on the rack, wherein a reference round ring is arranged on the rack, and is supported by the plurality of scored pulleys in a sliding manner; the output of the power mechanism is in transmission connection with the reference round ring; a plurality of telescopic booms pointing to the circle center are arranged on the equal diversion points of the circumference of the reference round ring; one displacement sensor is arranged at the end part of one end, which points to the circle center, of each telescopic boom; the plurality of telescopic booms are driven by a synchronizing mechanism; the plurality of displacement sensors are always kept on the same circumference; and the power mechanism and the synchronizing mechanism are controlled by the data collection and disposal system. The steel pipe roundness measuring instrument has the characteristics of being reasonable in design and simple in structure, and is capable of achieving the noncontact on-line measurement.
Description
Technical field:
The invention belongs to field, particularly a kind of roundness measurement instrument of steel pipe, especially can sample to outer surface of steel tube multiple spot, carry out the measurement of the molding parameters such as girth, diameter, deviation from circular from, unfitness of butt joint.
Background technology:
Steel pipe is widely used in oil and gas transmission, and for ensureing the almost T-stable of steel pipe forming, the geometric parameters such as outer diameter of steel pipes permissible variation, circularity permissible error (or out-of-roundness) have all formulated standard.At present, the employing of most domestic steel pipe's production producer is calibrated the instrument such as tape measure or slide calliper rule and is carried out hand dipping to the girth of steel tube section or diameter, and not only measuring speed is slow for it, but also there is the errors of principles.Adopt light curtain method to carry out the on-line measurement of steel pipe forming, can not the parameters such as steel pipe roundness be measured, the shape information of steel tube section cannot be obtained, also cannot avoid the error in measuring principle.Adopt the steel pipe almost T-stable on-line measurement system of laser displacement sensor, because the reflectivity, color, coating etc. of tested steel tube surface can have influence on measuring accuracy, therefore its application in actual production is subject to severely restricts.
CN1020800C, discloses a kind of macro-axis circularity, beat clinical measurement method and instrument, and its theory utilizes error separating technology, adopt two or more sensing element can simultaneously to macro-axis deviation from circular from and beat, the method for the precision measurement of face runout.It clamps a semicircular segmental support on the knife rest of lathe, this segmental support is laid said three sensors, two central angles are formed in the cross section perpendicular to tested axis, adopt photoelectric switching signal, continuous intensive sampling in a circle is rotated at measured axis, and by data processing unit computation and measurement result.
And CN102506800A, the method that a kind of diameter two 6 measures macrotype axes series parts deviation from circular from and machine tool chief axis kinematic error is disclosed, mention and two displacement transducers are set at diameter, the kinematic error of the deviation from circular from and main shaft that collect rotary motion macrotype axes series parts in six different transpositions are measured is separated, and realizes the deviation from circular to macrotype axes series parts and spindle motion error on-line measurement.
Above two disclosed measuring equipments, are static structure, the necessary rotatable engagement of workpiece, are difficult to meet line Pipe and measure.How to invent one, can the equipment of on-line measurement spiral welded pipe, namely become the object of the present invention's research.
Summary of the invention:
The object of the invention is the roundness measurement instrument of steel pipe inventing a kind of non-contact type on-line measurement girth, diameter, deviation from circular from and unfitness of butt joint parameter.
Technical solution of the present invention is achieved in that a kind of roundness measurement instrument of steel pipe, comprises frame, displacement transducer and data acquisition processing system, and institute's displacement sensors is electrically connected with data acquisition processing system; It is characterized in that: frame is provided with a plurality of sheave and actuating unit, one is arranged in described frame with reference to annulus, and takes turns sliding support by plurality of groove, and the output of described actuating unit is in transmission connection with reference to annulus; Described with reference to the circumference equal dividing point of annulus being provided with the telescopic arm that complex root points to the center of circle, the end that every root telescopic arm points to one end, the center of circle is all provided with a displacement transducer; Described complex root telescopic arm is driven by synchronizing linkage, remains that a plurality of displacement transducer is in circumferentially same; Described actuating unit and synchronizing linkage are controlled by data acquisition processing system.
Described telescopic arm is rigid arm, and the side of telescopic arm is provided with tooth bar, and through the gearcase be located at reference to annulus side, forms location of sliding; Be positioned with a gear by transmission shaft in described gearcase, this gear engages with the tooth bar of telescopic arm; The transmission shaft of described gear through reference annulus or gearcase, and fixes synchronizing wheel at end part of driving shaft, and a plurality of synchronizing wheel is driven by a Timing Belt; Described reference annulus is also provided with a little servomotor, and this little servomotor exports and drives Timing Belt through main synchronizing wheel; Described little servomotor, Timing Belt, a plurality of synchronizing wheel and plurality of pins wheel forms synchronizing linkage.
Described telescopic arm is electric pushrod, and electric pushrod is fixed on reference on annulus, and institute's displacement sensors is fixed on the retractable ends of electric pushrod; Described complex root electric pushrod is controlled by a power switch, forms synchronizing linkage by electric pushrod and power switch.
Described reference annulus is provided with outer shroud rail and inner ring rail towards the annulus of frame side, and inner ring rail is processed with teeth section, and this teeth section central angle is not more than 180 degree; Described frame is the Contraband shape structure of landing, include bottom girder and two heel posts of disjunctor, four sheaves are positioned with at its vertical plane side axis of symmetry, two sheaves are on described bottom girder, be supported on described with reference on the outer shroud rail of annulus bottom, another two sheaves are on described column, are supported on reference on annulus inner ring rail, and four sheaves coordinate and keep reference annulus plumbness; Described actuating unit comprises large servomotor and is fixed on the main drive gear on output shaft, and large servomotor is arranged on the bottom girder of frame, and the main drive gear on its output shaft engages with described teeth section, and formation is in transmission connection.
The present invention has the advantages that reasonable in design, structure is simple, can realize non-contact type on-line measurement; A plurality of displacement transducer is arranged on reference on annulus, can follow with reference to annulus rotary motion in certain angle, realize sampling to the multiple point of steel tube surface, complete the collection of steel tube section profile one week information; And displacement transducer is fixed on telescopic arm, utilize telescopic arm synchronization action, both can measure different-diameter steel pipe, displacement transducer and tested steel tube surface can be made again to remain in rational scope, realize fast on-line measurement.
Accompanying drawing illustrates:
Below in conjunction with concrete legend, the present invention will be further described:
Fig. 1 roundness measurement instrument of steel pipe front schematic view
Fig. 2 roundness measurement instrument of steel pipe schematic rear view
Fig. 3 roundness measurement instrument of steel pipe perspective exploded view
Wherein
1-frame, 11-sheave, 12-bottom girder, 13-column
2-displacement transducer, 3-actuating unit, 31-large servomotor 32-main drive gear
4-with reference to annulus 41-outer shroud rail 42-inner ring rail 43-teeth section
44-gearcase, 5-telescopic arm, 51-tooth bar, 6-synchronizing linkage
61-little servomotor 62-main synchronizing wheel 63-Timing Belt, 64-synchronizing wheel
65-gear, 66-transmission shaft
Embodiment:
With reference to Fig. 1, Fig. 2 and Fig. 3, roundness measurement instrument of steel pipe, comprises frame 1, displacement transducer 2 and data acquisition processing system; Frame 1 is provided with a plurality of sheave 11 and actuating unit 3, to be arranged in frame 1 with reference to annulus 4, and by a plurality of sheave 11 sliding support; More particularly, described reference annulus 4 is provided with outer shroud rail 41 and inner ring rail 42 towards the annulus of frame 1 side, and inner ring rail 42 is processed with teeth section 43, and this teeth section 43 central angle is not more than 180 degree; And the Contraband shape structure of frame 1 for landing, include bottom girder 12 and two heel posts 13 of disjunctor, four sheave 11 one-tenth axis of symmetry are positioned at its vertical plane side, two sheaves 11 are on bottom girder 12, be supported on the outer shroud rail 41 with reference to annulus 4 bottom, another two sheaves 11 are on column 13, are supported on the inner ring rail 42 with reference to annulus, four sheaves 11 coordinate and keep with reference to annulus 4 plumbnesss, and can flexible rotating; The main drive gear 32 that actuating unit 3 comprises large servomotor 31 and is fixed on output shaft, large servomotor 31 is arranged on the bottom girder 12 of frame 11, and the main drive gear 32 on its output shaft engages with the teeth section 43 with reference to annulus, and formation is in transmission connection.Also can be driven by large servomotor 31 and suitably rotate with reference to annulus 4, drive displacement transducer to complete measurement operation.
With reference to the circumference equal dividing point of annulus 4 being provided with the telescopic arm 5 that complex root points to the center of circle, the end that every root telescopic arm 5 points to one end, the center of circle is all provided with a displacement transducer 2; Complex root telescopic arm 5 is driven by synchronizing linkage 6, and remain that a plurality of displacement transducer 2 is in circumferentially same, displacement transducer 2 is electrically connected with data acquisition processing system, and in addition, actuating unit 3 and synchronizing linkage 6 are controlled by data acquisition processing system.
Described telescopic arm 5 is rigid arm, and the side of telescopic arm 5 is provided with tooth bar 51, and through the gearcase 44 be located at reference to annulus 4 side, forms location of sliding; Be positioned with a gear 65 by transmission shaft 66 in gearcase 44, this gear 65 engages with the tooth bar 51 of telescopic arm; The transmission shaft 66 of gear 65 is through reference annulus 4 or gearcase 44, and at transmission shaft 66 end winding support synchronizing wheel 64, a plurality of synchronizing wheel 64 is driven by a Timing Belt 63; Also be provided with a little servomotor 61 with reference on annulus 4, this little servomotor 61 exports and drives Timing Belt 63 through main synchronizing wheel 62, makes complex root telescopic arm 5 synchronization action; Described little servomotor 61, main synchronizing wheel 62, Timing Belt 63, a plurality of synchronizing wheel 64 and a plurality of gear 65 form synchronizing linkage 6.
In addition, described telescopic arm 5 is except above-mentioned formation synchronization telescope structure, and telescopic arm also can be electric pushrod, and electric pushrod is fixed on reference on annulus 4, and displacement transducer 2 is fixed on the retractable ends of electric pushrod; Complex root electric pushrod is controlled by a power switch, forms synchronization telescope action; And namely electric pushrod and power switch form synchronizing linkage.The electric pushrod related to is electrostrictive standard component.
Claims (4)
1. a roundness measurement instrument of steel pipe, comprises frame, displacement transducer and data acquisition processing system, and institute's displacement sensors is electrically connected with data acquisition processing system; It is characterized in that: frame is provided with a plurality of sheave and actuating unit, one is arranged in described frame with reference to annulus, and takes turns sliding support by plurality of groove, and the output of described actuating unit is in transmission connection with reference to annulus; Described with reference to the circumference equal dividing point of annulus being provided with the telescopic arm that complex root points to the center of circle, the end that every root telescopic arm points to one end, the center of circle is all provided with a displacement transducer; Described complex root telescopic arm is driven by synchronizing linkage, remains that a plurality of displacement transducer is in circumferentially same; Described actuating unit and synchronizing linkage are controlled by data acquisition processing system.
2. a kind of roundness measurement instrument of steel pipe according to claim 1, is characterized in that: telescopic arm is rigid arm, and the side of telescopic arm is provided with tooth bar, and through the gearcase be located at reference to annulus side, forms location of sliding; Be positioned with a gear by transmission shaft in described gearcase, this gear engages with the tooth bar of telescopic arm; The transmission shaft of described gear through reference annulus or gearcase, and fixes synchronizing wheel at end part of driving shaft, and a plurality of synchronizing wheel is driven by a Timing Belt; Described reference annulus is also provided with a little servomotor, and this little servomotor exports and drives Timing Belt through main synchronizing wheel; Described little servomotor, Timing Belt, a plurality of synchronizing wheel and plurality of pins wheel forms synchronizing linkage.
3. a kind of roundness measurement instrument of steel pipe according to claim 1, is characterized in that: telescopic arm is electric pushrod, and electric pushrod is fixed on reference on annulus, and institute's displacement sensors is fixed on the retractable ends of electric pushrod; Described complex root electric pushrod is controlled by a power switch, forms synchronizing linkage by electric pushrod and power switch.
4. a kind of roundness measurement instrument of steel pipe according to claim 1, is characterized in that: reference annulus is provided with outer shroud rail and inner ring rail towards the annulus of frame side, and inner ring rail is processed with teeth section, and this teeth section central angle is not more than 180 degree; Described frame is the Contraband shape structure of landing, include bottom girder and two heel posts of disjunctor, four sheaves are positioned with at its vertical plane side axis of symmetry, two sheaves are on described bottom girder, be supported on described with reference on the outer shroud rail of annulus bottom, another two sheaves are on described column, are supported on reference on annulus inner ring rail, and four sheaves coordinate and keep reference annulus plumbness; Described actuating unit comprises large servomotor and is fixed on the main drive gear on output shaft, and large servomotor is arranged on the bottom girder of frame, and the main drive gear on its output shaft engages with described teeth section, and formation is in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410754269.9A CN104359447A (en) | 2014-12-10 | 2014-12-10 | Steel pipe roundness measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410754269.9A CN104359447A (en) | 2014-12-10 | 2014-12-10 | Steel pipe roundness measuring instrument |
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| Publication Number | Publication Date |
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| CN104359447A true CN104359447A (en) | 2015-02-18 |
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| CN201410754269.9A Pending CN104359447A (en) | 2014-12-10 | 2014-12-10 | Steel pipe roundness measuring instrument |
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| CN (1) | CN104359447A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841627A (en) * | 2016-05-10 | 2016-08-10 | 中国航空工业集团公司北京航空精密机械研究所 | Apparatus for measuring geometric deformation of large-size annular casing type part |
| CN106017392A (en) * | 2016-07-21 | 2016-10-12 | 赵艳丽 | Method for detecting circular cross section contour and coaxiality of electric iron tower steel pipe from multiple points simultaneously |
| CN106123838A (en) * | 2016-07-28 | 2016-11-16 | 无锡乐华自动化科技有限公司 | Electric power tower steel pipe circular section contour detecting device |
| CN106197316A (en) * | 2016-07-21 | 2016-12-07 | 赵艳丽 | Utilize the method that averaging method carries out electric power tower steel pipe circular section contour detecting |
| CN106556358A (en) * | 2016-11-23 | 2017-04-05 | 西安航天计量测试研究所 | A kind of barrel swivel part installs concentricity high-speed adjustment device and measuring method |
| CN107063118A (en) * | 2017-03-22 | 2017-08-18 | 齐鲁工业大学 | The device of automatic measurement axial workpiece outer surface cylindricity |
| CN107152922A (en) * | 2017-05-03 | 2017-09-12 | 大连理工大学 | A kind of method of on-position measure annular plane form error |
| CN107167061A (en) * | 2017-03-30 | 2017-09-15 | 浙江亚德复合材料有限公司 | A kind of pipe detection device |
| CN107764216A (en) * | 2017-09-25 | 2018-03-06 | 重庆真测科技股份有限公司 | Roundness measuring device and measurement diameter method of adjustment for CT system |
| CN108195333A (en) * | 2018-04-04 | 2018-06-22 | 高雨荷 | A kind of fruit diameter measuring device |
| CN108940910A (en) * | 2018-07-02 | 2018-12-07 | 江苏众信绿色管业科技有限公司 | A kind of composite bimetal pipe automation machining production line based on Internet of Things |
| CN113607115A (en) * | 2021-07-27 | 2021-11-05 | 中石化石油机械股份有限公司沙市钢管分公司 | Roundness detection device |
| CN113776484A (en) * | 2021-08-13 | 2021-12-10 | 华电电力科学研究院有限公司 | Non-roundness measuring device and method for pressure-bearing equipment |
| CN114812617A (en) * | 2022-07-01 | 2022-07-29 | 深圳市沃感科技有限公司 | Intelligent inclination angle calibration device and calibration method thereof |
| CN117073519A (en) * | 2023-10-12 | 2023-11-17 | 联峰钢铁（张家港）有限公司 | Online detection system for continuous casting round billet |
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| CN101033936A (en) * | 2007-01-30 | 2007-09-12 | 常熟理工学院 | Method for measuring error of roller roundness and kinematic error of machine tool main axle using antipodal two points six positions |
| CN202188833U (en) * | 2011-07-20 | 2012-04-11 | 天津海浩石油机械制造有限公司 | Roundness measurement instrument of steel pipe |
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| JP5036714B2 (en) * | 2005-07-27 | 2012-09-26 | テキント コンパニア テクニカ インテルナツィオナレ ソシエタ ペル アチオニ | Independent measuring device for grinding machines |
| CN103063126A (en) * | 2012-12-25 | 2013-04-24 | 中国石油集团川庆钻探工程有限公司 | Coiled tubing ovality testing method |
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| US4574638A (en) * | 1982-11-30 | 1986-03-11 | Mitsubishi Denki Kabushiki Kaisha | Device for detecting end-shape of steel tube |
| DE4204562A1 (en) * | 1992-02-13 | 1993-08-19 | Mannesmann Ag | Pipe measuring system for detecting ovality of pipe - scans outer contour of pipe in selected cross=sectional plane with pin and display mounted on ring which acts as rail. |
| JPH116704A (en) * | 1997-06-18 | 1999-01-12 | Kubota Corp | Contour inspection equipment for cylindrical work |
| JP5036714B2 (en) * | 2005-07-27 | 2012-09-26 | テキント コンパニア テクニカ インテルナツィオナレ ソシエタ ペル アチオニ | Independent measuring device for grinding machines |
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| CN101033936A (en) * | 2007-01-30 | 2007-09-12 | 常熟理工学院 | Method for measuring error of roller roundness and kinematic error of machine tool main axle using antipodal two points six positions |
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| CN102501137A (en) * | 2011-11-03 | 2012-06-20 | 西安交通大学 | Online monitoring device for radial rotation accuracy of main shaft |
| CN103063126A (en) * | 2012-12-25 | 2013-04-24 | 中国石油集团川庆钻探工程有限公司 | Coiled tubing ovality testing method |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841627A (en) * | 2016-05-10 | 2016-08-10 | 中国航空工业集团公司北京航空精密机械研究所 | Apparatus for measuring geometric deformation of large-size annular casing type part |
| CN106017392B (en) * | 2016-07-21 | 2018-09-11 | 浙江海澄德畅机械有限公司 | The method that multiple spot detects electric power tower steel pipe circular section profile and concentricity simultaneously |
| CN106017392A (en) * | 2016-07-21 | 2016-10-12 | 赵艳丽 | Method for detecting circular cross section contour and coaxiality of electric iron tower steel pipe from multiple points simultaneously |
| CN106197316A (en) * | 2016-07-21 | 2016-12-07 | 赵艳丽 | Utilize the method that averaging method carries out electric power tower steel pipe circular section contour detecting |
| CN106197316B (en) * | 2016-07-21 | 2018-10-26 | 谢灵卫 | The method for carrying out electric power tower steel pipe circular section contour detecting using averaging method |
| CN106123838A (en) * | 2016-07-28 | 2016-11-16 | 无锡乐华自动化科技有限公司 | Electric power tower steel pipe circular section contour detecting device |
| CN106556358A (en) * | 2016-11-23 | 2017-04-05 | 西安航天计量测试研究所 | A kind of barrel swivel part installs concentricity high-speed adjustment device and measuring method |
| CN107063118A (en) * | 2017-03-22 | 2017-08-18 | 齐鲁工业大学 | The device of automatic measurement axial workpiece outer surface cylindricity |
| CN107167061A (en) * | 2017-03-30 | 2017-09-15 | 浙江亚德复合材料有限公司 | A kind of pipe detection device |
| CN107167061B (en) * | 2017-03-30 | 2020-02-18 | 浙江亚德复合材料有限公司 | Pipeline detection device |
| CN107152922A (en) * | 2017-05-03 | 2017-09-12 | 大连理工大学 | A kind of method of on-position measure annular plane form error |
| CN107152922B (en) * | 2017-05-03 | 2018-11-06 | 大连理工大学 | A kind of method of on-position measure annular plane form error |
| CN107764216A (en) * | 2017-09-25 | 2018-03-06 | 重庆真测科技股份有限公司 | Roundness measuring device and measurement diameter method of adjustment for CT system |
| CN108195333A (en) * | 2018-04-04 | 2018-06-22 | 高雨荷 | A kind of fruit diameter measuring device |
| CN108940910A (en) * | 2018-07-02 | 2018-12-07 | 江苏众信绿色管业科技有限公司 | A kind of composite bimetal pipe automation machining production line based on Internet of Things |
| CN113607115A (en) * | 2021-07-27 | 2021-11-05 | 中石化石油机械股份有限公司沙市钢管分公司 | Roundness detection device |
| CN113607115B (en) * | 2021-07-27 | 2024-04-12 | 中石化石油机械股份有限公司沙市钢管分公司 | Roundness detection device |
| CN113776484A (en) * | 2021-08-13 | 2021-12-10 | 华电电力科学研究院有限公司 | Non-roundness measuring device and method for pressure-bearing equipment |
| CN114812617A (en) * | 2022-07-01 | 2022-07-29 | 深圳市沃感科技有限公司 | Intelligent inclination angle calibration device and calibration method thereof |
| CN114812617B (en) * | 2022-07-01 | 2022-10-04 | 深圳市沃感科技有限公司 | Intelligent inclination angle calibration device and calibration method thereof |
| CN117073519A (en) * | 2023-10-12 | 2023-11-17 | 联峰钢铁（张家港）有限公司 | Online detection system for continuous casting round billet |
| CN117073519B (en) * | 2023-10-12 | 2023-12-22 | 联峰钢铁（张家港）有限公司 | Online detection system for continuous casting round billet |
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