CN204788237U - Wire rope length of lay on -line measuring device - Google Patents
Wire rope length of lay on -line measuring device Download PDFInfo
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- CN204788237U CN204788237U CN201520535589.5U CN201520535589U CN204788237U CN 204788237 U CN204788237 U CN 204788237U CN 201520535589 U CN201520535589 U CN 201520535589U CN 204788237 U CN204788237 U CN 204788237U
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- wire rope
- lay pitch
- measuring device
- line measuring
- acquisition unit
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Abstract
The utility model relates to a wire rope length of lay on -line measuring device, it includes: the wire rope length of lay detects sensor, data collection station, the length of lay detects the sensor and includes vortex displacement sensor, the signal conditioning circuit board, and the casing, the handle, wherein this vortex displacement sensor has two both ends that lie in this casing respectively, and this signal conditioning circuit board is the middle part in this casing, and this handle lies in this casing, the data collection station number of pass detects the sensor according to cable and this length of lay to be connected, and this data collection station openly is equipped with display screen and button, and this display screen is located this button upper portion, and this data collection station is inside to be equipped with CPU microprocessor, power and AD converting circuit, and this CPU microprocessor and this AD converting circuit are connected. Realize the non -contact developments on line measurement of the wire rope length of lay, satisfied real -time detection's requirement, and portable to field usage.
Description
Technical field
The utility model relates to a kind of wire rope lay pitch on-line measuring device, and the real-time detection of wire rope lay pitch change when being particularly useful for the equipment lifting such as hoister, winch or drawing, belongs to equipment Inspection and security technology area.
Background technology
The main load-carrying unit of mine hoisting is wire rope, and hoisting cable can bear the effect of various load in the course of the work, such as, stretch, bend, contact stress and dynamic loading etc.Research shows, along with the increase of well depth, distorting stress increase thereupon.When well depth is more than 800-900 rice, torsion is the main cause causing wire rope to damage.The torsion of wire rope can cause the lay pitch along the change of rope capacity.By the measurement to wire rope lay pitch, the size of wire rope intort stress just can be understood.
Mention a kind of measuring method of wire rope lay pitch in the existing patent documentation 1 announced, comprise the following steps: step one, tear face silk open.Face silk in wire rope is removed; Step 2, inscription rubbing.The equipment of described inscription rubbing comprises the first blank sheet of paper, transfer paper and the second blank sheet of paper, during inscription rubbing, place the first blank sheet of paper, transfer paper, wire rope and the second blank sheet of paper from top to down successively, then a pressure is given, the texture of wire rope is opened up on the first blank sheet of paper, described texture comprises the manifolding district of dash area and the clear area of blank parts, and the length in manifolding district is manifolding section length, and the length of clear area is clear area length; Step 3, the lay pitch calculates.Manifolding section length and clear area length is measured, the length=manifolding section length+clear area length of the lay pitch with survey instrument.
Patent documentation 1: Chinese invention patent application numbers 20148425294.2.
But the detection method of wire rope lay pitch at present, the noncontact that all can not realize wire rope lay pitch detects in real time, cannot meet the requirement of torsional Stress Analysis.
Because above-mentioned existing wire rope lay pitch pick-up unit, the present inventor is based on being engaged in the practical experience and professional knowledge that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of wire rope lay pitch on-line measuring device of new structure, general existing wire rope lay pitch pick-up unit can be improved, make it have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the utility model had practical value.
Summary of the invention
The utility model proposes a kind of wire rope lay pitch on-line measuring device, its technical matters solved is detect in real time and record the lay pitch change of hoisting cable in operational process, analyze damage of steel cable reason and practical information is provided, and effectively prevent hoister accident from occurring.
The utility model solves its technical matters and realizes by the following technical solutions.
A kind of wire rope lay pitch on-line measuring device, it comprises: wire rope lay pitch detecting sensor, data acquisition unit; Described wire rope lay pitch detecting sensor comprises eddy displacement sensor, signal conditioning circuit plate, housing, handle, wherein this eddy displacement sensor has two two ends laid respectively in this housing, and this signal conditioning circuit plate is middle part in this housing, and this handle is positioned on this housing; Described data acquisition unit is connected with this lay pitch detecting sensor by data cable, this data acquisition unit front is provided with display screen and button, this display location is in this button top, this data acquisition unit inside is provided with CPU microprocessor, power supply and A/D change-over circuit, this CPU microprocessor is connected with this A/D change-over circuit.
The utility model is solved its technical matters and is realized further by following technical measures.
Preferably, aforesaid a kind of wire rope lay pitch on-line measuring device, the side that wherein this wire rope lay pitch detecting sensor presses close to wire rope is provided with a concave arc.
Preferably, aforesaid a kind of wire rope lay pitch on-line measuring device, wherein this eddy displacement sensor is provided with Hall element and detecting coil, and this Hall element is in the middle part of this detecting coil.
Preferably, aforesaid a kind of wire rope lay pitch on-line measuring device, wherein this signal conditioning circuit plate is provided with two groups of multivibrators, amplifying circuit, peak detections, wherein each group is connected with amplifying circuit for multivibrator, another amplifying circuit is connected with peak detection, and each group is corresponding with an eddy displacement sensor.
Preferably, aforesaid a kind of wire rope lay pitch on-line measuring device, is characterized in that wherein power supply is battery in this data acquisition unit.
Preferably, aforesaid a kind of wire rope lay pitch on-line measuring device, is characterized in that wherein A/D change-over circuit is two in this data acquisition unit.
The utility model compared with prior art has obvious advantage and beneficial effect.By technique scheme, a kind of wire rope lay pitch of the utility model on-line measuring device can reach suitable technical progress and practicality, and has the extensive value in industry, and it at least has following advantages:
1. achieve the non-cpntact measurement of wire rope lay pitch.
2. achieve the kinetic measurement of wire rope lay pitch.
3. data acquisition unit is based on Embedded System Design, can meet the requirement detected in real time, and the onsite application that is easy to carry.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of instructions, and can become apparent to allow above and other object of the present utility model, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is a kind of wire rope lay pitch on-line measuring device of the utility model cross-section illustration intention;
Fig. 2 is the utility model wire pitch detecting sensor and wire rope vertical view;
Fig. 3 is the utility model structured flowchart.
[primary clustering symbol description]
1: wire rope 2: upper eddy displacement sensor
3: signal conditioning circuit plate 4: housing
5: handle 6: lower eddy displacement sensor
7: data acquisition unit 8: wire rope lay pitch detecting sensor
9: data cable 21: detecting coil
22: Hall element 31: amplifying circuit
32: multivibrator 33: amplifying circuit
34: multivibrator 35: amplifying circuit
36: peak detection 37: amplifying circuit
38: peak detection 61: detecting coil
62: Hall element 71: display screen
72: button 73:A/D change-over circuit
74:A/D change-over circuit 75:CPU microprocessor
Embodiment
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to a kind of its embodiment of wire rope lay pitch on-line measuring device, structure, feature and the effect thereof that the utility model proposes, be described in detail as follows.
Refer to shown in Fig. 1 to Fig. 3, a kind of wire rope lay pitch on-line measuring device of the utility model, it comprises: wire rope lay pitch detecting sensor 8, data acquisition unit 7; Described wire rope lay pitch detecting sensor 8 comprises eddy displacement sensor, signal conditioning circuit plate 3, housing 4, handle 5, wherein this eddy displacement sensor has two two ends laid respectively in this housing 4, be called eddy displacement sensor 2 and lower eddy displacement sensor 6, this signal conditioning circuit plate 3 is middle part in this housing 4, and this handle 5 is positioned on this housing 4; Described data acquisition unit 7 is connected with this wire rope lay pitch detecting sensor 8 by data cable 9, this data acquisition unit 7 front is provided with display screen 71 and button 72, this display screen 71 is positioned at the top of this button 72, this data acquisition unit 7 inside is provided with CPU microprocessor 75, power supply 76 and A/D change-over circuit, this CPU microprocessor 75 is connected with this A/D change-over circuit.
The side that this wire rope lay pitch detecting sensor 8 described presses close to wire rope 1 is provided with a concave arc.Wire rope 1 embeds in this cancave cambered surface to be convenient to detect.
Described on this eddy displacement sensor 2 be provided with Hall element 22 and detecting coil 21, this Hall element 22 is in the middle part of this detecting coil 21.This lower eddy displacement sensor 6 is provided with Hall element 62 and detecting coil 61, and this Hall element 62 is in the middle part of this detecting coil 61.
This signal conditioning circuit plate 3 described is provided with two groups of multivibrators, amplifying circuit, peak detections, wherein the multivibrator 32 in this upper eddy displacement sensor 2 region of signal conditioning circuit plate 3 correspondence is connected with amplifying circuit 31, and amplifying circuit 35 is connected with peak detection 36; The multivibrator 34 in lower eddy displacement sensor 6 region of this signal conditioning circuit plate 3 correspondence is connected with amplifying circuit 33, and amplifying circuit 37 is connected with peak detection 38.
In this data acquisition unit 7 described, power supply 76 is battery, for whole device is powered.Can the requirement detected in real time be met, and the onsite application that is easy to carry.
In this data acquisition unit described, A/D change-over circuit is two.Wherein A/D change-over circuit 73 receives the signal from upper eddy displacement sensor 2, and wherein A/D change-over circuit 74 receives the signal from lower eddy displacement sensor 6.
Wire rope is electric conductor, there is according to wire rope the feature of uneven twisting stock ripple, same upper eddy displacement sensor 2 and lower eddy displacement sensor 6 is being settled respectively apart from two places of wire rope surface certain distance, so when wire rope moves, because crest, trough are different from the spacing of this two sensors, cause the magnetic induction density at detecting coil center to change, then the Hall element in these two sensors can export the voltage signal of the dephased same frequency of the band corresponding with strand wire ripple with two similar sine waves of range value.When the distance of these two eddy displacement sensors is constant, the phase differential of two signals only depends on the variable quantity of wire rope lay pitch.When regulating these suitable two eddy displacement sensor distances, above-mentioned phase differential just can reflect the lay pitch change of corresponding length of cable sensitively.
According to the principle of above-mentioned detection wire rope lay pitch, a kind of wire rope lay pitch online test method of the utility model its comprise the steps: step one: the low frequency pulse signal that two groups of multivibrators in signal conditioning circuit plate produce inputs the detecting coil in corresponding eddy displacement sensor respectively through amplifying circuit; Step 2: the field signal that Hall element in two eddy displacement sensors detects is carried out amplifying and peak detection, by data cable, two paths of signals is sent into data acquisition unit; Step 3: this data acquisition unit carries out A/D conversion after receiving two paths of signals respectively, and calculates the phase differential of two paths of signals by CPU microprocessor, and goes out wire rope lay pitch according to phase difference calculating.
Refer to Fig. 2, Fig. 3, when wire rope 1 moves, wire rope lay pitch detecting sensor 8 cancave cambered surface is pressed close to wire rope 1 and starts this wire rope lay pitch on-line measuring device.Produce low frequency pulse signal by multivibrator 32 and input detecting coil 21 through amplifying circuit 31, Hall element 22 detects that field signal sends into A/D change-over circuit 73 through amplifying circuit 35 and peak detection 36 by data cable 9; Producing low frequency pulse signal by multivibrator 34 inputs detecting coil 61 through amplifying circuit 33 simultaneously, and Hall element 62 detects that field signal sends into A/D change-over circuit 74 through amplifying circuit 37 and peak detection 38 by data cable 9.Calculate the phase differential of two paths of signals finally by CPU microprocessor 75, the change going out wire rope lay pitch according to phase difference calculating is drawn the lay pitch of wire rope and is shown by display screen 71.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. a wire rope lay pitch on-line measuring device, is characterized in that it comprises: wire rope lay pitch detecting sensor, data acquisition unit;
Described lay pitch detecting sensor comprises eddy displacement sensor, signal conditioning circuit plate, housing, handle, wherein this eddy displacement sensor has two two ends laid respectively in this housing, and this signal conditioning circuit plate is middle part in this housing, and this handle is positioned on this housing;
Described data acquisition unit is connected with this lay pitch detecting sensor by data cable, this data acquisition unit front is provided with display screen and button, this display location is in this button top, this data acquisition unit inside is provided with CPU microprocessor, power supply and A/D change-over circuit, this CPU microprocessor is connected with this A/D change-over circuit.
2. a kind of wire rope lay pitch on-line measuring device according to claim 1, is characterized in that the side that wherein this wire rope lay pitch detecting sensor presses close to wire rope is provided with a concave arc.
3. a kind of wire rope lay pitch on-line measuring device according to claim 1, it is characterized in that wherein this eddy displacement sensor is provided with Hall element and detecting coil, this Hall element is in the middle part of this detecting coil.
4. a kind of wire rope lay pitch on-line measuring device according to claim 1, it is characterized in that wherein this signal conditioning circuit plate is provided with two groups of multivibrators, amplifying circuit, peak detections, wherein each group is connected with amplifying circuit for multivibrator, another amplifying circuit is connected with peak detection, and each group is corresponding with an eddy displacement sensor.
5. a kind of wire rope lay pitch on-line measuring device according to claim 1, is characterized in that wherein power supply is battery in this data acquisition unit.
6. a kind of wire rope lay pitch on-line measuring device according to claim 1, is characterized in that wherein A/D change-over circuit is two in this data acquisition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520535589.5U CN204788237U (en) | 2015-07-22 | 2015-07-22 | Wire rope length of lay on -line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520535589.5U CN204788237U (en) | 2015-07-22 | 2015-07-22 | Wire rope length of lay on -line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204788237U true CN204788237U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520535589.5U Expired - Fee Related CN204788237U (en) | 2015-07-22 | 2015-07-22 | Wire rope length of lay on -line measuring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066868A (en) * | 2015-07-22 | 2015-11-18 | 洛阳百克特摩擦材料有限公司 | Wire rope lay pitch on-line detection device and method |
| CN108116926A (en) * | 2017-12-08 | 2018-06-05 | 韩元元 | A kind of whole core belt mechanical splice on-line measuring device and method |
| CN110017777A (en) * | 2019-04-15 | 2019-07-16 | 太原理工大学 | A kind of wire rope lay pitch Real-time and Dynamic Detection appraisal procedure |
-
2015
- 2015-07-22 CN CN201520535589.5U patent/CN204788237U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066868A (en) * | 2015-07-22 | 2015-11-18 | 洛阳百克特摩擦材料有限公司 | Wire rope lay pitch on-line detection device and method |
| CN105066868B (en) * | 2015-07-22 | 2018-03-30 | 洛阳百克特科技发展股份有限公司 | A kind of wire rope lay pitch on-line measuring device and method |
| CN108116926A (en) * | 2017-12-08 | 2018-06-05 | 韩元元 | A kind of whole core belt mechanical splice on-line measuring device and method |
| CN110017777A (en) * | 2019-04-15 | 2019-07-16 | 太原理工大学 | A kind of wire rope lay pitch Real-time and Dynamic Detection appraisal procedure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 471000 Henan city of Luoyang province high tech Zone Heluo road and Wangchun Road intersection Patentee after: Luoyang BECOT technology development Limited by Share Ltd Address before: 471000 Henan city of Luoyang province high tech Zone Heluo road and Wangchun Road intersection in Luoyang Patentee before: Luoyang Becot Friction Materials Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |