CN102297805A - Nondestructive test method of wire rope - Google Patents
Nondestructive test method of wire rope Download PDFInfo
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- CN102297805A CN102297805A CN201010211399XA CN201010211399A CN102297805A CN 102297805 A CN102297805 A CN 102297805A CN 201010211399X A CN201010211399X A CN 201010211399XA CN 201010211399 A CN201010211399 A CN 201010211399A CN 102297805 A CN102297805 A CN 102297805A
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Abstract
The invention relates to a test method of wire rope, comprising manufacture of contrastive pattern: according to the diameter range of tested wire ropes, cutting off wire ropes with different diameters based on length L to manufacture the contrastive pattern of nondestructive test of wire ropes; selecting rope breaks of wire ropes that are the same as each other in structure and two meters long to manufacture the same defects at the middles thereof, performing breaking force tests to the wire ropes respectively, getting different defect test values by magnetizing, calibrating and testing manufactured contrastive pattern with an electromagnetic tester for wire rope, making a contrastive pattern parameter comparison table in correspondence with the breaking force; getting wire rope test data according to field test data and the contrastive pattern parameter comparison table, and then calculating the breaking force of the tested wire rope, thereby getting test determination conclusion. The invention can ensure the safe and normal service of the wire rope according to comparison between the contrastive pattern of nondestructive test of wire rope and test result conveniently, quickly and accurately.
Description
Technical field
The present invention relates to a kind of wire rope, relate in particular to a kind of wire rope detection method.
Background technology
Wire rope generally be by many single high-tensile steel wires around forming together strand, compile around forming around a wire rope core by several rope strands again.Even it has the intensity height, from heavy and light, good springiness, can withstand shocks, the strong high speed operation of overload capacity also steadily noiselessness, advantage such as can not rupture suddenly, always as flexure member and pulley, reel formation hoist, mechanism such as luffing.Wire rope is one of hoisting machinery strength member, also is the key link that guarantees hoisting operation safety.But for various reasons, make the damage or disrumpent feelings too early in use of some wire rope, by the wire rope Non-Destructive Testing, in time obtain detecting data, by detecting data, reflect the rupture pull force of wire rope, contrast with actual condition, judge the security of wire rope, all have crucial meaning guaranteeing safety in production, raising operating efficiency and economic benefit etc.
Carried out 100 years at the research of the disrumpent feelings mechanism of wire rope both at home and abroad, research does not make substantial breakthroughs as yet over 100 years, cause detection technique and method, because of the restriction of key condition is restricted, the exploitation of checkout equipment is not also walked out the laboratory study stage fully, can't satisfy growingly, need thorough in detail wire rope situation to check current demand with process monitoring.Domestic wire rope checkout equipment is mainly based on the magnetic nondestructive examination, and it detects the accuracy of data and the uncertainty of its testing result, is the difficult problem that wire rope detects always.For this reason, the exploitation of the method for making by a kind of wire rope Non-Destructive Testing contrast style effectively combines technical parameter and the on-the-spot actual detected of contrast style, has overcome the uncertainty of wire rope detection.
Detection method is by visual examination, scene the survey wire rope to be demarcated, chosen reference value on traditional wire rope, gets difference according to testing result and calibration value, judges the safety case of wire rope.The limitation of this method is that the wire rope reference value randomness of choosing is bigger, and the sample for reference of no standard causes the otherness of actual state rupture pull force trial value contrast of testing result and wire rope bigger.
Therefore the traditional detection and the shortcoming of determination methods are conspicuous, and the error of measurement can cause being difficult to find the potential safety hazard of wire rope.Influence is to the judgement of wire rope security, and the safety that seriously influences wire rope is normally used.
Summary of the invention
The present invention is intended to address the deficiencies of the prior art, and a kind of wire rope lossless detection method is provided.The present invention can contrast the contrast of style and testing result easily and fast, exactly according to the wire rope Non-Destructive Testing, guarantee that the safety of wire rope is normally used.
For solving the problems of the technologies described above, a kind of wire rope lossless detection method of the present invention, it comprises:
The making of control sample: steel rope fault, wearing and tearing, defective locations, according to the wirerope diameter scope that is detected, intercepting different-diameter length of steel wire rope L makes wire rope Non-Destructive Testing control sample;
Choosing two meters long wire rope ropes of identical steel cord structure breaks at middle part making same defect, do the breaking force of rope test respectively, the contrast style that is completing, use wire rope electromagnetism class testing instrument, by adding magnetic, demarcation, detection, obtain different defects detection values, the corresponding making contrast style parameters table of comparisons with rupture pull force;
The detection data and the contrast style parameters table of comparisons according to the scene is detected draw wire rope and detect data, go out the rupture pull force of the wire rope that detects in prediction on such basis, draw to detect and judge conclusion.
Described wire rope lossless detection method, described steel rope fault contrast style method for making is as follows:
According to steel cord structure commonly used: 6X9W diameter 8-36mm, 6X19S, 6X19W, 6X 25Fi, 6X26WS, 6X31WS diameter 22-46mm, intercepting length of steel wire rope L is 3m, the wire rope two ends install long 150mm, wall thickness 20mm steel metal gland additional; Begin at wire rope rope turn-off left end 800mm place, make of metal cutter respectively, sequence number be 1 broken wires be one fracture of wire, sequence number be 2 one 75% fracture of wire, sequence numbers be 3 one 50% fracture of wire, sequence numbers be 4 one 25% fracture of wire, sequence numbers be 5 one 10%, sequence number is 6 one 5% fracture of wires, sequence number 1 arrives 6, six fracture of wire defect points of sequence number at a distance of 500mm.
Described wire rope lossless detection method, described steel rope abrasion contrast style method for making is as follows:
According to steel cord structure commonly used: 6X9W diameter 8-36mm, 6X19S, 6X19W, 6X 25Fi, 6X26WS, 6X31WS diameter 22-46mm, intercepting length of steel wire rope L is 3m, the wire rope two ends install long 150mm, wall thickness 20mm steel metal gland additional; Begin at wire rope rope turn-off left end 800mm place, make of the metal sander respectively, sequence number be 1 rope diameter wearing and tearing 20%,, sequence number be 2 rope diameters wearing and tearing 15%,, sequence number is that 3 rope diameters wearing and tearing 10%, sequence number are that 4 rope diameters wearing and tearing 7%, sequence number are that 5 rope diameters wearing and tearing 5%, sequence number are 6 rope diameters wearing and tearing 3%, sequence number 1 arrives 6, six wear-out defect points of sequence number at a distance of 500mm.
Described wire rope lossless detection method, the method for making that described defect in rope detects the contrast style and the rupture pull force parameter table of comparisons is:
Choosing two meters long wire rope ropes of identical steel cord structure breaks at middle part making same defect, do the breaking force of rope test respectively, the contrast style that is completing, use wire rope electromagnetism class testing instrument, by adding magnetic, demarcation, detection, obtain different defects detection values, the corresponding making contrast style parameters table of comparisons with rupture pull force.
Embodiment
Below, in conjunction with embodiment, the present invention is further illustrated:
A kind of wire rope lossless detection method, it comprises:
The making of control sample: steel rope fault, wearing and tearing, defective locations, according to the wirerope diameter scope that is detected, intercepting different-diameter length of steel wire rope L makes wire rope Non-Destructive Testing control sample;
Choosing two meters long wire rope ropes of identical steel cord structure breaks at middle part making same defect, do the breaking force of rope test respectively, the contrast style that is completing, use wire rope electromagnetism class testing instrument, by adding magnetic, demarcation, detection, obtain different defects detection values, the corresponding making contrast style parameters table of comparisons with rupture pull force;
The detection data and the contrast style parameters table of comparisons according to the scene is detected draw wire rope and detect data, go out the rupture pull force of the wire rope that detects in prediction on such basis, draw to detect and judge conclusion.
According to steel cord structure commonly used: 6X9W (diameter 8-36mm), 6X19S, 6X19W, 6X 25Fi, 6X26WS, 6X31WS (diameter 22-46mm), the new wire rope of intercepting different-diameter, length L is 3 meters, makes wire rope Non-Destructive Testing contrast style; The wire rope of control sample should be complementary with employed instrument and tested wire rope; The wire rope that is used for control sample uses wire rope electromagnetism class testing instrument earlier, by adding magnetic, demarcation, detection, confirms the wire rope not damaged.
At intercepted length L is that the wire rope two ends of 3m install long 150mm, wall thickness 20mm steel metal gland additional, eliminates the influence of terrestrial magnetic field to magnetic detection; Begin at wire rope rope turn-off left end 800mm place, make of metal cutter respectively, sequence number be 1 broken wires be one fracture of wire, sequence number be 2 one 75% fracture of wire, sequence numbers be 3 one 50% fracture of wire, sequence numbers be 4 one 25% fracture of wire, sequence numbers be 5 one 10%, sequence number is 6 one 5% fracture of wires, sequence number 1 arrives 6, six fracture of wire defect points of sequence number at a distance of 500mm.Step 3, be that the wire rope two ends of 3m install long 150mm, wall thickness 20mm steel metal gland additional at intercepted length L; Begin at wire rope rope turn-off left end 800mm place, make of the metal sander respectively, sequence number be 1 rope diameter wearing and tearing 20%,, sequence number be 2 rope diameters wearing and tearing 15%,, sequence number is that 3 rope diameters wearing and tearing 10%, sequence number are that 4 rope diameters wearing and tearing 7%, sequence number are that 5 rope diameters wearing and tearing 5%, sequence number are 6 rope diameters wearing and tearing 3%, sequence number 1 arrives 6, six wear-out defect points of sequence number at a distance of 500mm.
Choose two meters long wire rope ropes of identical steel cord structure and break, do the breaking force of rope test respectively at middle part making same defect.In the contrast style that completes, use wire rope electromagnetism class testing instrument, by adding magnetic, demarcation, detection, obtain different defects detection values, the corresponding making contrast style parameters table of comparisons with rupture pull force.
Before and after each wire rope Non-Destructive Testing is implemented, select the contrast style with the steel cord structure of being tested, calibrate.The detection data and the contrast style parameters table of comparisons according to the scene is detected draw wire rope and detect data, go out the rupture pull force of the wire rope that detects in prediction on such basis, draw to detect and judge conclusion.
Claims (4)
1. a wire rope lossless detection method is characterized in that it comprises
The making of contrast style: steel rope fault, wearing and tearing, defective locations, according to the wirerope diameter scope that is detected, intercepting different-diameter length of steel wire rope L makes wire rope Non-Destructive Testing contrast style;
Choosing two meters long wire rope ropes of identical steel cord structure breaks at middle part making same defect, do the breaking force of rope test respectively, the contrast style that is completing, use wire rope electromagnetism class testing instrument, by adding magnetic, demarcation, detection, obtain different defects detection values, the corresponding making contrast style parameters table of comparisons with rupture pull force;
The detection data and the contrast style parameters table of comparisons according to the scene is detected draw wire rope and detect data, go out the rupture pull force of the wire rope that detects in prediction on such basis, draw to detect and judge conclusion.
2. wire rope lossless detection method according to claim 1 is characterized in that, described steel rope fault contrast style method for making is as follows:
According to steel cord structure commonly used: 6X9W diameter 8-36mm, 6X19S, 6X19W, 6X 25Fi, 6X26WS, 6X31WS diameter 22-46mm, intercepting length of steel wire rope L is 3m, the wire rope two ends install long 150mm, wall thickness 20mm steel metal gland additional; Begin at wire rope rope turn-off left end 800mm place, make of metal cutter respectively, sequence number be 1 broken wires be one fracture of wire, sequence number be 2 one 75% fracture of wire, sequence numbers be 3 one 50% fracture of wire, sequence numbers be 4 one 25% fracture of wire, sequence numbers be 5 one 10%, sequence number is 6 one 5% fracture of wires, sequence number 1 arrives 6, six fracture of wire defect points of sequence number at a distance of 500mm.
3. wire rope lossless detection method according to claim 1 is characterized in that, described steel rope abrasion contrast style method for making is as follows:
According to steel cord structure commonly used: 6X9W diameter 8-36mm, 6X19S, 6X19W, 6X 25Fi, 6X26WS, 6X31WS diameter 22-46mm, intercepting length of steel wire rope L is 3m, the wire rope two ends install long 150mm, wall thickness 20mm steel metal gland additional; Begin at wire rope rope turn-off left end 800mm place, make of the metal sander respectively, sequence number be 1 rope diameter wearing and tearing 20%,, sequence number be 2 rope diameters wearing and tearing 15%,, sequence number is that 3 rope diameters wearing and tearing 10%, sequence number are that 4 rope diameters wearing and tearing 7%, sequence number are that 5 rope diameters wearing and tearing 5%, sequence number are 6 rope diameters wearing and tearing 3%, sequence number 1 arrives 6, six wear-out defect points of sequence number at a distance of 500mm.
4. wire rope lossless detection method according to claim 1 is characterized in that, the method for making that described defect in rope detects the contrast style and the rupture pull force parameter table of comparisons is:
Choosing two meters long wire rope ropes of identical steel cord structure breaks at middle part making same defect, do the breaking force of rope test respectively, the contrast style that is completing, use wire rope electromagnetism class testing instrument, by adding magnetic, demarcation, detection, obtain different defects detection values, the corresponding making contrast style parameters table of comparisons with rupture pull force.
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| CN201010211399XA CN102297805A (en) | 2010-06-25 | 2010-06-25 | Nondestructive test method of wire rope |
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| CN201010211399XA CN102297805A (en) | 2010-06-25 | 2010-06-25 | Nondestructive test method of wire rope |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104603605A (en) * | 2012-09-04 | 2015-05-06 | 帝人芳纶有限公司 | Method for non-destructive testing of synthetic ropes and rope suitable for use therein |
| CN107228799A (en) * | 2017-07-14 | 2017-10-03 | 天津工业大学 | A kind of steel cable core conveying belt joint tensile test device |
| CN108663433A (en) * | 2018-06-14 | 2018-10-16 | 本钢板材股份有限公司 | A kind of magnetic leakage detection probe channel damage testing tool and detection method |
| CN109720966A (en) * | 2019-02-25 | 2019-05-07 | 北京鼎原电梯安装有限公司 | A kind of overhauling elevator technique |
| CN109867184A (en) * | 2019-02-25 | 2019-06-11 | 北京鼎原电梯安装有限公司 | A kind of elevator Quick overhaul technique |
| CN112098507A (en) * | 2020-08-20 | 2020-12-18 | 云浮（佛山）氢能标准化创新研发中心 | Pipe wall defect determining method |
| CN112710547A (en) * | 2019-10-25 | 2021-04-27 | 泰州市联顺机械有限公司 | Damage detection method for metal rope |
| CN114371078A (en) * | 2022-01-13 | 2022-04-19 | 马鞍山钢铁股份有限公司 | Stamping die acceptance check method based on forming safety margin |
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| CN2033122U (en) * | 1988-02-05 | 1989-02-22 | 华中工学院 | Electromagnetic nondestructive flaw detection feeler unit |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104603605A (en) * | 2012-09-04 | 2015-05-06 | 帝人芳纶有限公司 | Method for non-destructive testing of synthetic ropes and rope suitable for use therein |
| CN110514678A (en) * | 2012-09-04 | 2019-11-29 | 帝人芳纶有限公司 | For synthesizing the method for rope nondestructive test and being suitable for rope therein |
| CN107228799A (en) * | 2017-07-14 | 2017-10-03 | 天津工业大学 | A kind of steel cable core conveying belt joint tensile test device |
| CN108663433A (en) * | 2018-06-14 | 2018-10-16 | 本钢板材股份有限公司 | A kind of magnetic leakage detection probe channel damage testing tool and detection method |
| CN109720966A (en) * | 2019-02-25 | 2019-05-07 | 北京鼎原电梯安装有限公司 | A kind of overhauling elevator technique |
| CN109867184A (en) * | 2019-02-25 | 2019-06-11 | 北京鼎原电梯安装有限公司 | A kind of elevator Quick overhaul technique |
| CN109867184B (en) * | 2019-02-25 | 2020-08-07 | 北京鼎原电梯安装有限公司 | Elevator rapid overhauling process |
| CN112710547A (en) * | 2019-10-25 | 2021-04-27 | 泰州市联顺机械有限公司 | Damage detection method for metal rope |
| CN112710547B (en) * | 2019-10-25 | 2022-04-01 | 泰州市联顺机械有限公司 | Damage detection method for metal rope |
| CN112098507A (en) * | 2020-08-20 | 2020-12-18 | 云浮（佛山）氢能标准化创新研发中心 | Pipe wall defect determining method |
| CN114371078A (en) * | 2022-01-13 | 2022-04-19 | 马鞍山钢铁股份有限公司 | Stamping die acceptance check method based on forming safety margin |
| CN114371078B (en) * | 2022-01-13 | 2024-02-09 | 马鞍山钢铁股份有限公司 | Stamping die acceptance method based on forming safety margin |
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Owner name: SHANGHAI JINYI MATERIALS TEST TECHNOLOGY CO., LTD. Effective date: 20120713 |
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Effective date of registration: 20120713 Address after: 201900 Shanghai city Baoshan District Meipu Road No. 335 Applicant after: Shanghai Baosteel Industry Inspection Corp. Co-applicant after: Shanghai Jinyi Material Test Technology Co.,Ltd. Address before: 201900 Shanghai city Baoshan District Meipu Road No. 335 Applicant before: Shanghai Baosteel Industry Inspection Corp. |
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Application publication date: 20111228 |