CN103673959A - Method, device and system for detecting winding/unwinding amount of reel steel wire rope and engineering machinery - Google Patents
Method, device and system for detecting winding/unwinding amount of reel steel wire rope and engineering machinery Download PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- wire rope
- reel
- rope
- receipts
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 title claims abstract description 71
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 42
- 239000010959 steel Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008859 change Effects 0.000 claims description 35
- 238000001514 detection method Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000002459 sustained effect Effects 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
Images
Landscapes
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a method, a device and a system for detecting the rope receiving/outputting amount of a reel steel wire rope and engineering machinery. The method comprises the following steps: acquiring the winding radius of a steel wire rope in a winding drum; judging whether the steel wire rope changes layers or not; and if the steel wire rope is judged not to be subjected to layer changing, acquiring the rotating angle of the winding drum, and determining the rope winding/unwinding amount of the steel wire rope according to the winding radius of the steel wire rope in the winding drum and the rotating angle of the winding drum. The invention judges whether the steel wire rope changes the layer or not by measuring the winding radius of the steel wire rope in the winding drum in real time, and accurately obtains the rope receiving/discharging amount of the steel wire rope of the winding drum according to the winding radius of the steel wire rope in the winding drum before and after the layer is changed and the rotating angle of the winding drum.
Description
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;
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683450.0A CN103673959A (en) | 2013-12-12 | 2013-12-12 | Method, device and system for detecting winding/unwinding amount of reel steel wire rope and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683450.0A CN103673959A (en) | 2013-12-12 | 2013-12-12 | Method, device and system for detecting winding/unwinding amount of reel steel wire rope and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103673959A true CN103673959A (en) | 2014-03-26 |
Family
ID=50312236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310683450.0A Pending CN103673959A (en) | 2013-12-12 | 2013-12-12 | Method, device and system for detecting winding/unwinding amount of reel steel wire rope and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103673959A (en) |
Cited By (6)
| 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 |
| 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 |
| CN112723207A (en) * | 2019-10-14 | 2021-04-30 | 广州彩熠灯光股份有限公司 | System and method for positioning output position of disc winch and disc winch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN102942114A (en) * | 2012-12-07 | 2013-02-27 | 廊坊凯博建设机械科技有限公司 | Method for measuring arm length of telescopic arm crane |
| 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 |
-
2013
- 2013-12-12 CN CN201310683450.0A patent/CN103673959A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102942114A (en) * | 2012-12-07 | 2013-02-27 | 廊坊凯博建设机械科技有限公司 | Method for measuring arm length of telescopic arm crane |
| 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 |
Cited By (7)
| 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 |
| 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 |
| CN105547091B (en) * | 2015-12-18 | 2018-05-22 | 中国地质大学（武汉） | The calibration detection method and system of a kind of spindle drill hook position |
| 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 |
| CN112723207A (en) * | 2019-10-14 | 2021-04-30 | 广州彩熠灯光股份有限公司 | System and method for positioning output position of disc winch and disc winch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103673959A (en) | Method, device and system for detecting winding/unwinding amount of reel steel wire rope and engineering machinery | |
| CN101665217B (en) | Method for detecting stability of crane and device thereof | |
| US8627575B2 (en) | Hook pose detecting equipment and crane | |
| CN104291231B (en) | System, method and device for detecting speed of hoisting steel wire rope and crane | |
| CN103940403B (en) | Method, device and system for measuring pitching angle of cantilever crane and movable arm tower crane | |
| CN110255379B (en) | Method and system for detecting lateral bending of suspension arm and lateral bending monitoring system | |
| CN107207222A (en) | For monitoring the method for crane safety and system for monitoring crane safety | |
| CN110988801A (en) | Radar installation angle adjusting method and device | |
| CN105480848A (en) | Port crane lifting system and stacking method thereof | |
| CN107922173B (en) | Rotary crane and orientation method thereof | |
| CN205076726U (en) | Tower machine lifting hook height measurement system and have its tower machine | |
| CN103318794A (en) | Power assist device, method of controlling power assist device, and program of power assist device | |
| JP6711877B2 (en) | Elevator inspection equipment | |
| CN102706310A (en) | Cantilever crane angle detecting method, device and pump truck with device | |
| CN104340894B (en) | Hoisting machinery moment protection system and automatic working condition recognition method | |
| AU2011217550B2 (en) | Luffing-jib tower crane | |
| CN107907874B (en) | Balancing device of hole and groove detection probe | |
| US11999601B2 (en) | Method for determining the rope reeving of a pulley block | |
| CN113401803B (en) | Method, device and controller for measuring arm length of tower crane | |
| CN103575249B (en) | Rotation angle detection equipment, system and method of rotating device and engineering machinery | |
| CN205537581U (en) | Cable reels is around radial measurement system | |
| JPH08192991A (en) | Lift measurement method of crane and device thereof | |
| CN114803832B (en) | Positioning method of lifting hook, processor, lifting equipment and storage medium | |
| CN104210976A (en) | Method and system for detecting load stroke of hoisting steel rope and hoisting control mechanism | |
| CN110500098A (en) | Traveling angle detecting method and development machine in a kind of tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140326 |
|
| RJ01 | Rejection of invention patent application after publication |