CN103673959A - Method, device and system for detecting number of wound/unwound steel wire ropes of winding drum and engineering machine - Google Patents

Method, device and system for detecting number of wound/unwound steel wire ropes of winding drum and engineering machine Download PDF

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Publication number
CN103673959A
CN103673959A CN201310683450.0A CN201310683450A CN103673959A CN 103673959 A CN103673959 A CN 103673959A CN 201310683450 A CN201310683450 A CN 201310683450A CN 103673959 A CN103673959 A CN 103673959A
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China
Prior art keywords
wire rope
reel
rope
layer
receipts
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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
Application number
CN201310683450.0A
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Chinese (zh)
Inventor
周万传
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Publication date
Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN201310683450.0A priority Critical patent/CN103673959A/en
Publication of CN103673959A publication Critical patent/CN103673959A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a method, device and system for detecting the number of wound/unwound steel wire ropes of a winding drum and an engineering machine. The method comprises the steps that the winding radius of the steel wire ropes in the winding drum is acquired; whether the layers where the steel wire ropes are located are changed or not is judged; if the layers where the steel wire ropes are located are not changed, the rotating angle of the winding drum is acquired, and the number of the wound/unwound steel wire ropes is determined according to the winding radius of the steel wire ropes in the winding drum and the rotating angle of the winding drum. The winding radius of the steel wire ropes in the winding drum is measured in real time, whether the layers where the steel wire ropes are located are changed or not is judged, and the number of the wound/unwound steel wire ropes is accurately acquired according to the winding radius of the steel wire ropes in the winding drum before and after the process of changing the layers of the steel wire ropes and the rotating angle of the winding drum.

Description

Reel steel wire ropes receipts/rope stretching quantity measuring method, device, system and engineering machinery
Technical field
The present invention relates to technical field of engineering machinery, particularly a kind of reel steel wire ropes receipts/rope stretching quantity measuring method, device, system and engineering machinery.
Background technology
Comprise the engineering machinery application of hoisting mechanism, need to gather the/rope closing amount of the reel of hoisting mechanism, thereby calculating the key parameters such as lifting altitude, luffing amplitude.
Measuring steel wire rope going out in reel/rope closing amount is generally measured by the potentiometric Multifunction position limiting device of being with being arranged in spool shaft, utilizes the angle that reel turns over and potentiometric resistance is linear obtains.
Because the winding radius of wire rope in reel can change along with the variation of the winding number of plies of wire rope in reel, so the rope stretching amount of reel and angle that reel turns over are not always linear; If do not consider the change in radius of wire rope in reel, the error of calculating can be increasing.
Summary of the invention
The object of the present invention is to provide a kind of reel steel wire ropes receipts/rope stretching quantity measuring method, device, system and engineering machinery, can accurately obtain reel steel wire ropes receipts/rope stretching amount.
The invention provides a kind of reel steel wire ropes receipts/rope stretching quantity measuring method, comprising:
Obtain the winding radius of wire rope in reel;
Judge whether wire rope changes layer;
If judgement wire rope does not change layer, obtain the angle that reel turns over, the winding radius according to described wire rope in reel, the angle that reel turns over are determined wire rope receipts/rope stretching amount.
The present invention also provides a kind of reel steel wire ropes receipts/rope stretching amount detecting device, comprising:
Obtain equipment, the angle turning at winding radius and the reel of reel for obtaining wire rope;
Treatment facility, for judging whether wire rope changes layer; If judgement wire rope does not change layer, the winding radius according to described wire rope in reel, the angle that reel turns over are determined wire rope receipts/rope stretching amount.
The present invention provides again a kind of reel steel wire ropes receipts/rope stretching amount detection systems, comprising:
The first distance measuring equipment and the second distance measuring equipment, be installed on respectively reel two ends, is respectively used to measure self to the first distance and the second distance of wire rope;
Angle detection device, the angle turning over for detection of reel; And
Reel steel wire ropes receipts/rope stretching amount detecting device as above.
The present invention provides a kind of engineering machinery again, comprises hoisting mechanism, also comprises reel steel wire ropes receipts/rope stretching amount detection systems as above.
The present invention is the winding radius in reel by real-time measuring steel wire rope, judges whether wire rope changes layer, according to changing the winding radius of wire rope in reel and the anglec of rotation of reel before and after layer, accurately obtains reel steel wire ropes receipts/rope stretching amount.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of reel steel wire ropes receipts/rope stretching quantity measuring method embodiment of the present invention;
Fig. 2 is the structural drawing of reel steel wire ropes receipts/rope stretching amount detecting device embodiment of the present invention;
Fig. 3 is the structural drawing of reel steel wire ropes receipts/rope stretching amount detection systems embodiment of the present invention;
Fig. 4 is the schematic diagram of reel steel wire ropes receipts/rope stretching amount detection systems embodiment of the present invention.
Embodiment
For making those skilled in the art more clearly understand the present invention, below in conjunction with accompanying drawing, do more detailed description, but these explanations are not limited to protection scope of the present invention.
As shown in Figure 1, the process flow diagram for reel steel wire ropes receipts/rope stretching quantity measuring method embodiment of the present invention, comprising:
S101, obtain the winding radius of wire rope in reel;
S102, judge whether wire rope changes layer;
If S103 judgement wire rope does not change layer, obtain the angle that reel turns over, the winding radius according to described wire rope in reel, the angle that reel turns over are determined wire rope receipts/rope stretching amount.
Describedly judge that whether wire rope changes layer step is the prerequisite that accurately obtains reel steel wire ropes receipts/rope stretching amount.
The label of described step does not limit the order of the inventive method step, for example, can first judge whether wire rope changes layer, then obtains the angle that the winding radius of wire rope in reel and reel turn over; Also can first obtain the angle that the winding radius of wire rope in reel and reel turn over, then judge whether wire rope changes layer.
The inventive method further comprises: if judgement wire rope has changed layer, obtain wire rope and change the angle that layer head-pulley turns over, according to wire rope, change winding radius and the wire rope of layer front wire rope in reel and change the definite layer front wire rope receipts/rope stretching amount of changing of angle that layer head-pulley turns over; Obtain and change winding radius and the wire rope of layer rear wire rope in reel and change layer angle that rear reel turns over, according to wire rope, change the winding radius of layer rear wire rope in reel and wire rope and change layer angle that rear reel turns over and determine layer rear wire rope receipts/rope stretching amount of changing; According to changing layer front wire rope receipts/rope stretching amount and changing a layer rear wire rope receipts/rope stretching amount, determine wire rope receipts/rope stretching amount.
If wire rope changes layer, according to wire rope, change and be wound around the variation of radius and angle that reel turns over before and after layer and obtain respectively the wire rope receipts/rope stretching amount before and after layer of changing, thereby accurately obtain the total receipts/rope stretching amount of wire rope.
In one embodiment, described basis is changed layer front wire rope receipts/rope stretching amount and is changed a layer rear wire rope receipts/rope stretching amount and determines that wire rope receipts/rope stretching amount is: described wire rope receipts/rope stretching amount is for changing layer front wire rope receipts/rope stretching amount and changing a layer rear wire rope receipts/rope stretching amount sum.
In one embodiment, the winding radius according to described wire rope in reel is determined wire rope receipts/rope stretching, when being wound around radius increase, is rope closing state, when winding radius reduces, is rope stretching state; Can also be according to other given command determination.
Preferably, the method for obtaining the winding radius of wire rope in reel described in comprises:
Obtain and be installed on respectively measured described the first distance measuring equipment in reel two ends the first distance measuring equipment in sustained height and the second distance measuring equipment and the second distance measuring equipment to the first distance and the second distance of wire rope; According to described the first distance, second distance and described the first distance measuring equipment or the second distance measuring equipment, to the distance of reel central shaft, determine the winding radius of wire rope in reel.
According to described the first distance, second distance and described the first distance measuring equipment or the second distance measuring equipment, to the distance of reel central shaft, determine the winding radius of wire rope in reel: r=R-(r 1+ r 2)/2;
Wherein r is the winding radius of wire rope in reel, and R is that the first distance measuring equipment or the second distance measuring equipment are to the distance of reel central shaft, r 1for described the first distance, r 2for described second distance.
Described according to described wire rope the winding radius in reel, angle that reel turns over determine that the formula that rope capacity changes is: L 0=(Sign) 2 π r Δ θ/360;
L wherein 0for rope capacity changes, r is the winding radius of wire rope in reel, and Δ θ is the size of the angle that turns over of reel.
Certainly, described the first distance measuring equipment and the second distance measuring equipment also can be in sustained heights, and just the computing formula of the winding radius of wire rope in reel is wanted corresponding change.
Inventive concept based on the inventive method, as shown in Figure 2, the structural drawing for reel steel wire ropes receipts/rope stretching amount detecting device embodiment of the present invention, comprising:
Obtain equipment 21, the angle turning at winding radius and the reel of reel for obtaining wire rope;
Treatment facility 22, for judging whether wire rope changes layer; If judgement wire rope does not change layer, the winding radius according to described wire rope in reel, the angle that reel turns over are determined wire rope receipts/rope stretching amount.
If described treatment facility 22 judgement wire rope have changed layer, also for change layer front wire rope wire rope receipts/rope stretching amount before the winding radius of reel and wire rope change that angle that layer head-pulley turn over is definite and change layer according to wire rope; According to wire rope, change winding radius and the wire rope of layer rear wire rope in reel and change the definite layer rear wire rope receipts/rope stretching amount of changing of layer angle that rear reel turns over; According to changing layer front wire rope receipts/rope stretching amount and changing a layer rear wire rope receipts/rope stretching amount, determine wire rope receipts/rope stretching amount.
In one embodiment, described in, obtaining equipment 21 obtains the winding radius of wire rope in reel and comprises: obtain and be installed on respectively measured described the first distance measuring equipment in reel two ends the first distance measuring equipment in sustained height and the second distance measuring equipment and the second distance measuring equipment to the first distance and the second distance of wire rope;
Described treatment facility 22 is determined the winding radius of wire rope in reel according to described the first distance, second distance and described the first distance measuring equipment or the second distance measuring equipment to the distance of reel central shaft.
In one embodiment, described treatment facility 22 judges that the method whether wire rope changes layer comprises: if the winding radius of wire rope in reel changes, judge that wire rope changes layer.
Described treatment facility 22 judgements are rope closing state when being wound around radius increase, when winding radius reduces, are rope stretching state.
In one embodiment, described treatment facility 22 determines that according to changing layer front wire rope receipts/rope stretching amount and changing a layer rear wire rope receipts/rope stretching amount wire rope receipts/rope stretching amount is: described wire rope receipts/rope stretching amount is for changing layer front wire rope receipts/rope stretching amount and changing a layer rear wire rope receipts/rope stretching amount sum.
Apparatus of the present invention by the winding radius of Real-time Obtaining wire rope in reel, judges whether wire rope changes layer, according to changing the winding radius of layer front and back wire rope in reel and the anglec of rotation of reel, accurately obtain reel steel wire ropes receipts/rope stretching amount.
Based on same inventive concept, shown in Fig. 3, Fig. 4 (in Fig. 4, label 1 is reel, and label 2 is wire rope), be respectively structural drawing and the schematic diagram of reel steel wire ropes receipts/rope stretching amount detection systems embodiment of the present invention, comprising:
The first distance measuring equipment 31 and the second distance measuring equipment 32, be installed on respectively reel two ends, is respectively used to measure self to the first distance and the second distance of wire rope;
Angle detection device 33, the angle turning over for detection of reel;
Reel steel wire ropes receipts/rope stretching amount detecting device 34 as above.
System of the present invention is the winding radius in reel by real-time measuring steel wire rope, judges whether wire rope changes layer, according to changing the winding radius of wire rope in reel and the anglec of rotation of reel before and after layer, accurately obtains reel steel wire ropes receipts/rope stretching amount.
Preferably, described the first distance measuring equipment, the second distance measuring equipment are: laser range finder, ultrasonic range finder, infrared range-measurement system or other device that can find range, and as radar etc.
Preferably, described angle detection device is: pot, incremental encoder, absolute value encoder or other device that can take measurement of an angle, and as code-disc, gyroscope etc.
The present invention also provides a kind of engineering machinery, comprises hoisting mechanism, also comprises reel steel wire ropes receipts/rope stretching amount detection systems as above.By this system, can accurately obtain reel steel wire ropes receipts/rope stretching amount, thereby calculate the key parameters such as lifting altitude, luffing amplitude
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.

Claims (18)

1. a reel steel wire ropes receipts/rope stretching quantity measuring method, is characterized in that, comprising:
Obtain the winding radius of wire rope in reel;
Judge whether wire rope changes layer;
If judgement wire rope does not change layer, obtain the angle that reel turns over, the winding radius according to described wire rope in reel, the angle that reel turns over are determined wire rope receipts/rope stretching amount.
2. method according to claim 1, is characterized in that, also comprises:
If judgement wire rope has changed layer, obtain wire rope and change the angle that layer head-pulley turns over, according to wire rope, change winding radius and the wire rope of layer front wire rope in reel and change the definite layer front wire rope receipts/rope stretching amount of changing of angle that layer head-pulley turns over;
Obtain and change winding radius and the wire rope of layer rear wire rope in reel and change layer angle that rear reel turns over, according to wire rope, change the winding radius of layer rear wire rope in reel and wire rope and change layer angle that rear reel turns over and determine layer rear wire rope receipts/rope stretching amount of changing;
According to changing layer front wire rope receipts/rope stretching amount and changing a layer rear wire rope receipts/rope stretching amount, determine wire rope receipts/rope stretching amount.
3. method according to claim 1 and 2, is characterized in that, described in obtain the winding radius of wire rope in reel and comprise:
Obtain and be installed on respectively measured described the first distance measuring equipment in reel two ends the first distance measuring equipment in sustained height and the second distance measuring equipment and the second distance measuring equipment to the first distance and the second distance of wire rope;
According to described the first distance, second distance and described the first distance measuring equipment or the second distance measuring equipment, to the distance of reel central shaft, determine the winding radius of wire rope in reel.
4. method according to claim 1 and 2, is characterized in that, described judge wire rope whether change layer method comprise:
If the winding radius of wire rope in reel changes, judge that wire rope changes layer.
5. method according to claim 4, is characterized in that, when being wound around radius increase, is rope closing state, when winding radius reduces, is rope stretching state.
6. method according to claim 2, it is characterized in that, described basis is changed layer front wire rope receipts/rope stretching amount and is changed a layer rear wire rope receipts/rope stretching amount and determines that wire rope receipts/rope stretching amount is: described wire rope receipts/rope stretching amount is for changing layer front wire rope receipts/rope stretching amount and changing a layer rear wire rope receipts/rope stretching amount sum.
7. method according to claim 3, is characterized in that, determines the winding radius of wire rope in reel: r=R-(r according to described the first distance, second distance and described the first distance measuring equipment or the second distance measuring equipment to the distance of reel central shaft 1+ r 2)/2;
Wherein r is the winding radius of wire rope in reel, and R is that the first distance measuring equipment or the second distance measuring equipment are to the distance of reel central shaft, r 1for described the first distance, r 2for described second distance.
8. method according to claim 7, is characterized in that, described according to described wire rope the winding radius in reel, angle that reel turns over determine that the formula that rope capacity changes is: L 0=(Sign) 2 π r Δ θ/360;
L wherein 0for rope capacity changes, r is the winding radius of wire rope in reel, and Δ θ is the size of the angle that turns over of reel.
9. a reel steel wire ropes receipts/rope stretching amount detecting device, is characterized in that, comprising:
Obtain equipment, the angle turning at winding radius and the reel of reel for obtaining wire rope;
Treatment facility, for judging whether wire rope changes layer; If judgement wire rope does not change layer, the winding radius according to described wire rope in reel, the angle that reel turns over are determined wire rope receipts/rope stretching amount.
10. device according to claim 9, is characterized in that,
If described treatment facility judgement wire rope has changed layer, also for change layer front wire rope wire rope receipts/rope stretching amount before the winding radius of reel and wire rope change that angle that layer head-pulley turn over is definite and change layer according to wire rope; According to wire rope, change winding radius and the wire rope of layer rear wire rope in reel and change the definite layer rear wire rope receipts/rope stretching amount of changing of layer angle that rear reel turns over; According to changing layer front wire rope receipts/rope stretching amount and changing a layer rear wire rope receipts/rope stretching amount, determine wire rope receipts/rope stretching amount.
11. according to the device described in claim 9 or 10, it is characterized in that,
The described equipment that obtains obtains the winding radius of wire rope in reel and comprises: obtain and be installed on respectively measured described the first distance measuring equipment in reel two ends the first distance measuring equipment in sustained height and the second distance measuring equipment and the second distance measuring equipment to the first distance and the second distance of wire rope;
Described treatment facility is determined the winding radius of wire rope in reel according to described the first distance, second distance and described the first distance measuring equipment or the second distance measuring equipment to the distance of reel central shaft.
12. according to the device described in claim 9 or 10, it is characterized in that, described treatment facility judges that the method whether wire rope changes layer comprises: if the winding radius of wire rope in reel changes, judge that wire rope changes layer.
13. devices according to claim 12, is characterized in that, described treatment facility judgement is rope closing state when being wound around radius increase, when winding radius reduces, is rope stretching state.
14. devices according to claim 10, it is characterized in that, described treatment facility determines that according to changing layer front wire rope receipts/rope stretching amount and changing a layer rear wire rope receipts/rope stretching amount wire rope receipts/rope stretching amount is: described wire rope receipts/rope stretching amount is for changing layer front wire rope receipts/rope stretching amount and changing a layer rear wire rope receipts/rope stretching amount sum.
15. 1 kinds of reel steel wire ropes receipts/rope stretching amount detection systems, is characterized in that, comprising:
The first distance measuring equipment and the second distance measuring equipment, be installed on respectively reel two ends, is respectively used to measure self to the first distance and the second distance of wire rope;
Angle detection device, the angle turning over for detection of reel;
Reel steel wire ropes receipts/rope stretching amount detecting device as described in claim 9-14 any one.
16. systems according to claim 15, is characterized in that, described the first distance measuring equipment, the second distance measuring equipment are but are not limited to: laser range finder, ultrasonic range finder, infrared range-measurement system or radar.
17. systems according to claim 15, is characterized in that, described angle detection device is but is not limited to: pot, incremental encoder, absolute value encoder, code-disc or gyroscope.
18. 1 kinds of engineering machinery, comprise hoisting mechanism, it is characterized in that, also comprise the reel steel wire ropes receipts/rope stretching amount detection systems as described in claim 15-17 any one.
CN201310683450.0A 2013-12-12 2013-12-12 Method, device and system for detecting number of wound/unwound steel wire ropes of winding drum and engineering machine Pending CN103673959A (en)

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Application Number Priority Date Filing Date Title
CN201310683450.0A CN103673959A (en) 2013-12-12 2013-12-12 Method, device and system for detecting number of wound/unwound steel wire ropes of winding drum and engineering machine

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CN104555768A (en) * 2014-12-23 2015-04-29 中联重科股份有限公司 Hoisting mechanism and crane
CN105157648A (en) * 2015-08-24 2015-12-16 国家电网公司 Take-up, pay-off and length measurement device for wires
CN105547091A (en) * 2015-12-18 2016-05-04 中国地质大学(武汉) Position calibrated detection method and system for large hook of spindle type drilling machine
CN106153382A (en) * 2015-03-31 2016-11-23 陈迪华 Depth encoder
CN107907052A (en) * 2017-12-12 2018-04-13 中国矿业大学 One kind winding reel serving rope stretching state monitoring apparatus and method

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CN102980545A (en) * 2012-11-28 2013-03-20 中海油田服务股份有限公司 Device and method for measuring length of cable and winch for ship
CN103389058A (en) * 2013-07-31 2013-11-13 华南农业大学 System and method for automatically metering winding length of laminated winding object of winch
CN103415754A (en) * 2010-12-20 2013-11-27 C·鲍德尔 Winch for providing a part of unwound cable with a predetermined length

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CN103415754A (en) * 2010-12-20 2013-11-27 C·鲍德尔 Winch for providing a part of unwound cable with a predetermined length
CN202175526U (en) * 2011-06-22 2012-03-28 三一汽车起重机械有限公司 Recognition device of number of layers of winding rope and crane with same
CN102346023A (en) * 2011-06-30 2012-02-08 三一汽车起重机械有限公司 Measurement and control device and method for winding stroke, as well as engineering machinery
CN102980545A (en) * 2012-11-28 2013-03-20 中海油田服务股份有限公司 Device and method for measuring length of cable and winch for ship
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104555768A (en) * 2014-12-23 2015-04-29 中联重科股份有限公司 Hoisting mechanism and crane
CN106153382A (en) * 2015-03-31 2016-11-23 陈迪华 Depth encoder
CN105157648A (en) * 2015-08-24 2015-12-16 国家电网公司 Take-up, pay-off and length measurement device for wires
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CN107907052A (en) * 2017-12-12 2018-04-13 中国矿业大学 One kind winding reel serving rope stretching state monitoring apparatus and method

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Application publication date: 20140326