CN112083058A - Signal acquisition and processing device suitable for broken wire detection of steel wire rope of multi-row pulley block - Google Patents
Signal acquisition and processing device suitable for broken wire detection of steel wire rope of multi-row pulley block Download PDFInfo
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- CN112083058A CN112083058A CN202010832259.8A CN202010832259A CN112083058A CN 112083058 A CN112083058 A CN 112083058A CN 202010832259 A CN202010832259 A CN 202010832259A CN 112083058 A CN112083058 A CN 112083058A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 206010012586 Device interaction Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
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- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
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Abstract
A signal acquisition and processing device suitable for multi-row pulley block steel wire rope broken wire detection comprises an electromagnet, a Hall module, a permanent magnet, a power module and a signal acquisition and processing module. The electromagnet and the Hall module are matched to form a circular ring structure, a closed circular hole is formed in the middle of the circular ring structure, the steel wire rope penetrates through the circular hole, the permanent magnet is fixed on the surface of the Hall module, the power supply module is respectively connected with the electromagnet and the permanent magnet, and the Hall module is connected with the signal acquisition and processing module. The signal acquisition and processing device is suitable for detecting the broken wire of the steel wire rope of the multi-row pulley block, greatly improves the acquisition efficiency of the broken wire signal of the steel wire rope for the ship lift, and is simple and convenient to operate.
Description
Technical Field
The invention relates to the technical field of wire rope breakage detection, in particular to a signal acquisition and processing device suitable for wire rope breakage detection of a multi-row pulley block.
Background
In the course of the operation of the ship lift, the wire rope plays an important role. During the process of raising and lowering the cabin, the steel wire ropes are subjected to great tensile stress, the mechanical performance of the steel wire ropes directly influences whether the ship lift can safely operate, and for large hoisting machinery such as a ship lift, accidents are not allowed to happen, or the consequences are very disastrous. Therefore, the worker must regularly check the mechanical properties of the steel cord, wherein the detection of broken filaments is particularly important. In the conventional broken wire detection, the main method is observation, and the reliability of the method is still to be improved because the surface of the steel wire rope is entirely covered with thick grease. At present, in the aspect of wire breakage detection of a steel wire rope, the most application is a magnetic flux leakage detection method, and a Hall module is attached to the surface of the detected steel wire rope in the conventional magnetic flux leakage detection method, so that the method is complex to operate and is easy to cause a magnetic flux leakage phenomenon.
Disclosure of Invention
In order to solve the technical problems, the invention provides a signal acquisition and processing device suitable for wire breakage detection of a steel wire rope of a multi-row pulley block, which can ensure that a magnetic flux leakage signal can be fully acquired and processed while the steel wire rope moves; meanwhile, the device has the advantages of easy disassembly and assembly and simple operation, and is suitable for continuous detection operation of the steel wire ropes of the multi-row pulley block.
The technical scheme adopted by the invention is as follows:
a signal acquisition and processing device suitable for multi-row pulley block steel wire rope broken wire detection comprises an electromagnet, a Hall module, a permanent magnet, a power module and a signal acquisition and processing module. The electromagnet and the Hall module are matched to form a circular ring structure, a closed circular hole is formed in the middle of the circular ring structure, the steel wire rope penetrates through the circular hole, the permanent magnet is fixed on the surface of the Hall module, the power supply module is respectively connected with the electromagnet and the permanent magnet, and the Hall module is connected with the signal acquisition and processing module.
The power module is used for outputting a high-frequency alternating current constant current power supply and a constant current power supply, the high-frequency alternating current constant current power supply is used for providing a power supply for the electromagnet, and the constant current power supply is used for providing the power supply for the Hall module.
The high-frequency alternating current constant current power supply output port of the power supply module is communicated with the electromagnet through a cable, and the joint of the cable and the electromagnet is in a detachable quick joint form.
The Hall module and the electromagnet installation surface are wedge-shaped structures which are matched with each other, and the positioning and guiding effects are achieved.
The Hall module and the electromagnet are respectively arranged on the first bottom plate and the second bottom plate;
the device also comprises a first base and a second base, wherein a first guide rail sliding block and a second guide rail sliding block are respectively arranged on the first base and the second base; the first base plate is matched with the first base through the first guide rail sliding block, the second base plate is matched with the second base through the second guide rail sliding block, and the Hall module and the electromagnet respectively move in opposite directions along the radial direction of the steel wire rope through the first guide rail sliding block and the second guide rail sliding block.
Four walking wheels and a guide wheel are installed on the bottom surfaces of the first base and the second base, wheel grooves in the guide wheel are assembled with the track, and the length of the track is greater than that of a row of pulley blocks. The device is guaranteed to move in the track, the travel can cover the range of a row of pulley blocks, all steel wire ropes in the range are detected, and the device is moved and positioned quickly.
The cross section of the electromagnet is of a smaller arc structure with the arc length smaller than the arc length of the semicircle, the cross section of the Hall module is of a larger arc structure with the arc length larger than the arc length of the semicircle, and the smaller arc structure and the larger arc structure are matched to form a circular ring structure.
The signal acquisition and processing device is suitable for detecting the broken wire of the steel wire rope of the multi-row pulley block, greatly improves the acquisition efficiency of the broken wire signal of the steel wire rope for the ship lift, and is simple and convenient to operate.
Drawings
Fig. 1 is a schematic view of a front view mounting structure of the present invention.
Fig. 2 is an enlarged view at a of fig. 1.
Fig. 3 is a side view of the mounting structure of the present invention.
Fig. 4 is an enlarged view of fig. 3 at B.
Fig. 5 is a schematic structural diagram of the present invention.
Fig. 6 is a schematic view of the assembly of the electromagnet and the hall module according to the present invention.
Detailed Description
As shown in fig. 1 to 6, a signal acquisition and processing device suitable for detecting wire breakage of a steel wire rope of a multi-row pulley block comprises an electromagnet 3, a hall module 4, a permanent magnet 5, a power module 6 and a signal acquisition and processing module 7. The steel wire rope 2 is positioned on the pulley block 1.
The electromagnet 3 and the Hall module 4 are matched to form a circular ring structure, a closed circular hole is formed in the middle of the circular ring structure, the steel wire rope 2 penetrates through the circular hole, the permanent magnet 5 is fixed on the surface of the Hall module 4, the power supply module 6 is respectively connected with the electromagnet 3 and the permanent magnet 5, and the Hall module 4 is connected with the signal acquisition and processing module 7.
The power module 6 is used for outputting a high-frequency alternating current constant current power supply and a constant current power supply, the high-frequency alternating current constant current power supply is used for providing a power supply for the electromagnet 3, and the constant current power supply is used for providing a power supply for the Hall module 4.
The high-frequency alternating current constant current power supply output port of the power supply module 6 is communicated with the electromagnet 3 through a cable, and the joint of the cable and the electromagnet 3 is in a detachable quick joint form.
The installation surfaces of the Hall module 4 and the electromagnet 3 are wedge-shaped structures which are matched with each other, so that the positioning and guiding effects are achieved.
The Hall module 4 and the electromagnet 3 are respectively arranged on the first bottom plate 8 and the second bottom plate;
the device also comprises a first base 10 and a second base, wherein the first base 10 and the second base are respectively provided with a first guide rail sliding block 9 and a second guide rail sliding block.
The first bottom plate 8 is matched with the first base 10 through a first guide rail sliding block 9, and the second bottom plate is matched with the second base through a second guide rail sliding block. The slide block of the guide rail slide block is fixed at the bottom of the bottom plate. The bottom plate is provided with a handle. The handle is operated, so that the bottom plate 8 can conveniently move along the guide rail, and the electromagnet 3 and the Hall module 4 can be separated or folded.
As shown in fig. 2, the power module 6 is disposed on the first bottom plate 8, and the power module 6 and the first bottom plate 8 move synchronously to avoid secondary transportation.
The Hall module 4 and the electromagnet 3 respectively move along the radial direction of the steel wire rope 2 in opposite directions through the first guide rail slide block and the second guide rail slide block.
Four walking wheels 11 and a leading wheel 12 are all installed to first base 10, second base bottom surface, the wheel groove assembles with track 13 on the leading wheel 12, track 13 length is greater than a row of assembly pulley length.
The cross section of the electromagnet 3 is of a smaller arc structure with the arc length smaller than the arc length of the semicircle, the cross section of the Hall module 4 is of a larger arc structure with the arc length larger than the arc length of the semicircle, and the smaller arc structure and the larger arc structure are matched to form a circular ring structure.
Make hall module 4 and 3 binding surfaces of electro-magnet be less than cross centre of a circle cross-section, hall module 4 parcel area increase improves and detects the accuracy, and wire rope is at the removal in-process simultaneously, and the influence to the binding surface with detection device's interaction force is less, guarantees device stability. And a closed round hole is formed in the middle of the assembly of the electromagnet 3 and the Hall module 4, the steel wire rope 2 penetrates through the round hole, and the diameter of the steel wire rope 2 is smaller than that of the round hole.
The Hall module 4 comprises a plurality of magnetic Hall sensors SS94A2D, and the plurality of magnetic Hall sensors SS94A2D are embedded in an arc structure and are uniformly arranged along a circle, so that the integral movement is facilitated; need not alone and paste many times on being detected the wire rope, it is high to detect the precision, reduces the amount of labour.
The signal acquisition and processing module 7 comprises an amplifier LM741, an A/D converter ADC0809, a singlechip AT89C51, a nixie tube and a buzzer; hall module 4 connects amplifier LM741, and amplifier LM741 connects A/D converter ADC0809, and A/D converter ADC0809 connects singlechip AT89C51, and singlechip AT89C51 connects charactron, bee calling organ respectively.
The magnetic leakage signal is induced by the Hall module 4 to form voltage signal output, the A/D converter ADC0809 performs analog-to-digital conversion on the transmitted analog voltage signal, then performs data processing through the singlechip AT89C51, sends data to the nixie tube and displays the data, and meanwhile, the buzzer performs alarm operation. The wire breakage condition of the steel wire is detected by detecting the magnetic flux leakage of the steel wire rope, so that the method is simple and intelligent, the result is reliable, and some artificial factor interference is eliminated.
A wire breakage detection method suitable for a multi-row pulley block steel wire rope is characterized in that a power supply module 6 outputs a high-frequency alternating current constant current power supply to electrify an electromagnet 3, the electromagnet 3 is electrified and automatically adsorbed together with a permanent magnet 5, and when a steel wire rope 2 moves, the power supply module 6 outputs a constant current power supply to electrify a Hall module 4; the signal acquisition and processing module 7 acquires and processes the wire breakage signal of the steel wire rope 2; after signal acquisition and processing are completed, the electromagnet 3 is powered off, the electromagnet 3 and the Hall module 4 are operated to move oppositely along the guide rail slide block until the electromagnet and the Hall module are completely separated, the two bases are moved to the next steel wire rope along the guide rail, and signal acquisition is repeated.
The working principle is as follows:
two bases move along track 13, electro-magnet 3 and hall module 4 reach and wait to detect 2 departments of wire rope, operation electro-magnet 3 and hall module 4 are close to each other along rail block 9, wire rope 2 is arranged in forming the sealed round hole in the middle of electro-magnet 3 and the assembly of hall module 4, power module 6 outputs high frequency alternating current constant current power supply and gives electro-magnet 3 circular telegram, after electro-magnet 3 obtains magnetism tightly adsorb together with hall module 4 surperficial permanent magnet 5, when wire rope moved, power module 6 output constant current power supply gives hall module 4 circular telegram, hall module 4 gathers disconnected silk signal incoming signal collection and processing module 7.
After signal acquisition is finished, the electromagnet 3 is powered off, the Hall module 4 is separated from the electromagnet 3, the electromagnet 3 and the Hall module 4 are operated to move in opposite directions along the guide rail slide block until the electromagnet and the Hall module are completely separated, the two bases are operated to move along the track 13, the electromagnet 3 and the Hall module 4 reach the next steel wire rope 2 to be detected, and the wire breakage signal acquisition and processing of the next steel wire rope are carried out.
Claims (8)
1. The utility model provides a signal acquisition and processing apparatus suitable for multirow assembly pulley wire rope broken wire detects, includes electro-magnet (3), hall module (4), permanent magnet (5), power module (6), signal acquisition and processing module (7), its characterized in that: electromagnet (3) and hall module (4) cooperation constitute a ring structure, and the centre forms and seals the round hole, and wire rope (2) pass the round hole, and permanent magnet (5) are fixed on hall module (4) surface, and electromagnet (3), permanent magnet (5) are connected respectively in power module (6), and hall module (4) are connected signal acquisition and processing module (7).
2. The signal acquisition and processing device suitable for wire breakage detection of a steel wire rope of a multi-row pulley block according to claim 1, wherein: the power module (6) is used for outputting a high-frequency alternating current constant current power supply and a constant current power supply, the high-frequency alternating current constant current power supply is used for providing a power supply for the electromagnet (3), and the constant current power supply is used for providing a power supply for the Hall module (4).
3. The signal acquisition and processing device suitable for wire breakage detection of a steel wire rope of a multi-row pulley block according to claim 1, wherein: the high-frequency alternating current constant current power supply output port of the power supply module (6) is communicated with the electromagnet (3) through a cable, and the joint of the cable and the electromagnet (3) is in a detachable quick joint form.
4. The signal acquisition and processing device suitable for wire breakage detection of a steel wire rope of a multi-row pulley block according to claim 1, wherein: the installation surfaces of the Hall module (4) and the electromagnet (3) are wedge-shaped structures which are matched with each other, and the positioning and guiding effects are achieved.
5. The signal acquisition and processing device suitable for wire breakage detection of a steel wire rope of a multi-row pulley block according to claim 1, wherein: the Hall module (4) and the electromagnet (3) are respectively arranged on the first bottom plate (8) and the second bottom plate;
the device also comprises a first base (10) and a second base, wherein a first guide rail sliding block (9) and a second guide rail sliding block are respectively arranged on the first base (10) and the second base;
the first bottom plate (8) is matched with the first base (10) through a first guide rail sliding block (9), the second bottom plate is matched with the second base through a second guide rail sliding block,
the Hall module (4) and the electromagnet (3) move in opposite directions along the radial direction of the steel wire rope (2) through the first guide rail slide block and the second guide rail slide block respectively.
6. The signal acquisition and processing device suitable for wire breakage detection of a steel wire rope of a multi-row pulley block according to claim 1, wherein: four walking wheels (11) and a leading wheel (12) are all installed to first base (10), second base bottom surface, wheel groove and track (13) assembly on leading wheel (12), track (13) length is greater than one row of assembly pulley length.
7. The signal acquisition and processing device suitable for wire breakage detection of a steel wire rope of a multi-row pulley block according to claim 1, wherein: the cross section of the electromagnet (3) is of a smaller arc structure with the arc length smaller than the arc length of the semicircle, the cross section of the Hall module (4) is of a larger arc structure with the arc length larger than the arc length of the semicircle, and the smaller arc structure and the larger arc structure are matched to form a circular ring structure.
8. The wire breakage detection method for the steel wire rope by adopting the signal acquisition and processing device as claimed in any one of claims 1 to 7, is characterized in that: the power supply module (6) outputs a high-frequency alternating current constant current power supply to electrify the electromagnet (3), the electromagnet (3) is electrified and automatically adsorbed together with the permanent magnet (5), and when the steel wire rope (2) moves, the power supply module (6) outputs a constant current power supply to electrify the Hall module (4); the signal acquisition and processing module (7) acquires and processes a wire breakage signal of the steel wire rope (2); after signal acquisition and processing are completed, the electromagnet (3) is powered off, the electromagnet (3) and the Hall module (4) are operated to move in opposite directions along the guide rail sliding block until the electromagnet and the Hall module are completely separated, the two bases are moved to the next steel wire rope along the guide rail, and signal acquisition is repeated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410110678.9A CN118032918A (en) | 2020-08-18 | 2020-08-18 | Wire breakage detection method suitable for multi-row pulley block steel wire ropes |
| CN202010832259.8A CN112083058B (en) | 2020-08-18 | 2020-08-18 | Signal acquisition and processing device suitable for multi-row pulley block steel wire rope broken wire detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010832259.8A CN112083058B (en) | 2020-08-18 | 2020-08-18 | Signal acquisition and processing device suitable for multi-row pulley block steel wire rope broken wire detection |
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| CN202410110678.9A Division CN118032918A (en) | 2020-08-18 | 2020-08-18 | Wire breakage detection method suitable for multi-row pulley block steel wire ropes |
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| CN112083058A true CN112083058A (en) | 2020-12-15 |
| CN112083058B CN112083058B (en) | 2024-03-12 |
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| CN202410110678.9A Pending CN118032918A (en) | 2020-08-18 | 2020-08-18 | Wire breakage detection method suitable for multi-row pulley block steel wire ropes |
| CN202010832259.8A Active CN112083058B (en) | 2020-08-18 | 2020-08-18 | Signal acquisition and processing device suitable for multi-row pulley block steel wire rope broken wire detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114660258A (en) * | 2022-03-11 | 2022-06-24 | 江阴兴澄特种钢铁有限公司 | Flaw detection repairing device for steel wire rope |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114660258A (en) * | 2022-03-11 | 2022-06-24 | 江阴兴澄特种钢铁有限公司 | Flaw detection repairing device for steel wire rope |
| CN114660258B (en) * | 2022-03-11 | 2024-05-17 | 江阴兴澄特种钢铁有限公司 | Flaw detection repairing device for steel wire rope |
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| Publication number | Publication date |
|---|---|
| CN112083058B (en) | 2024-03-12 |
| CN118032918A (en) | 2024-05-14 |
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