WO2016101500A1 - 一种矿井提升机缠绕卷筒乱绳监测***与判断方法 - Google Patents
一种矿井提升机缠绕卷筒乱绳监测***与判断方法 Download PDFInfo
- Publication number
- WO2016101500A1 WO2016101500A1 PCT/CN2015/078848 CN2015078848W WO2016101500A1 WO 2016101500 A1 WO2016101500 A1 WO 2016101500A1 CN 2015078848 W CN2015078848 W CN 2015078848W WO 2016101500 A1 WO2016101500 A1 WO 2016101500A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reel
- rope
- shaft encoder
- winding
- rotation angle
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
Definitions
- the invention relates to a wire rope reel rope monitoring system and method, in particular to a mine hoist winding reel rope monitoring system and a judging method, which is suitable for single rope or multi-rope winding reel, especially suitable for construction shaft Or the use of a mine hoist winding reel.
- the lifting system is an important part of the transportation system, and the wire rope plays an important role in the lifting system.
- the object being lifted is moved up and down by winding the wire rope on the reel.
- the wire rope may not be arranged according to the existing trajectory during the winding process on the reel, that is, the rope is disordered.
- the chaotic rope phenomenon is extremely harmful to the steel wire rope, and the light wire rope wears up quickly, and the wire rope winding structure is damaged.
- the wire rope is unevenly stressed or even causes a rope breakage accident.
- the ropes and ropes have seriously affected the safety of the lift. Therefore, it is of great significance to monitor the running state of the wire rope during the winding process and to accurately judge the ropes of the ropes to avoid serious accidents.
- the object of the present invention is to provide a monitoring system and a judging method for a rope hoisting rope of a mine hoist, and to solve the problem that the wire rope can not be judged and monitored during the operation of the winding machine of the mine hoist. Real-time, visualization, automation and intelligentization of mine hoist winding reel rope monitoring.
- the mine hoist winding reel rope monitoring system of the present invention comprises an industrial camera disposed at the rear or the lower front of the reel in the middle of the reel, and an axle code disposed at the end of the reel and connected to the shaft.
- the data acquisition card and the industrial computer connected in sequence with the shaft encoder; the industrial camera is connected to the industrial computer through a communication cable.
- the method for judging the winding rope of a mine hoist according to the present invention comprises:
- the industrial camera continuously collects the image of the wire rope during the winding process of the reel and transmits it to the industrial computer;
- the industrial computer will grayscale and threshold the image to separate the wire rope from the background;
- the industrial computer analyzes the T 1 , T 2 , T 3 ... T z set in time with one cycle T.
- the rotation angle of the reel measured by the inner encoder and the output position of the reel of the reel of the industrial camera:
- the monitoring system consists of fewer components, no need to change the structure of the reel, convenient installation, low cost and low investment;
- the non-contact monitoring of the running state of the wound reel and the wire rope can be carried out, and the rotation angle of the reel can be measured by the shaft encoder to detect the alarm of the rope and the state of the chaotic rope, thereby realizing the mine lifting.
- the real-time, visual, automated and intelligent monitoring of the rope rope reel of the machine ensures the safe operation of the mine hoist drum.
- FIG. 1 is a layout diagram of a wire rope reel rope monitoring system for a mine hoist according to the present invention.
- FIG. 2 is a schematic diagram of a wire rope image after being subjected to gradation and thresholding.
- Figure 3 is a schematic illustration of the extreme positions of the ends of the roll width.
- the invention includes monitoring systems and monitoring methods.
- FIG. 1 is a layout diagram of a wire rope reel rope monitoring system for a mine hoist according to the present invention.
- the monitoring system includes: an industrial camera 2 disposed at the rear or the lower front of the reel in the middle of the reel 1 , a shaft encoder 3 disposed at the axial end of the reel 1 and connected to the shaft, and data sequentially connected to the shaft encoder 3
- the acquisition card 4 and the industrial computer 5; the industrial camera 2 is connected to the industrial computer 5 via a cable 7.
- a method for judging a rope hoist of a mine hoist wire rope specifically:
- the industrial camera 2 is mounted on the rear side of the wire rope reel 1 so that the industrial camera 2 can completely capture the position of the wire rope 6 on the reel 1; the industrial camera 2 and the upper machine 5 are connected by the communication cable 7.
- the industrial camera 2 continuously collects the image of the wire rope 6 during the reeling process of the reel 1 and transmits it to the industrial computer 5;
- the industrial computer 5 grayscales and thresholds the image to separate the wire rope 6 from the background;
- the industrial computer 5 analyzes the T 1 , T 2 , T 3 ... T z set in time, the rotation angle measured by the inner shaft encoder 5 and the output of the reel 1 of the reel 1 measured by the industrial camera 2 Rope position:
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
Description
Claims (2)
- 一种矿井提升机缠绕卷筒乱绳监测***,其特征是:包括设置在卷筒中间出绳上后方或下前方的工业相机,设置在卷筒轴端并与轴相连接的轴编码器,与轴编码器依次连接的数据采集卡和工控机;所述的工业相机通过通讯线缆与工控机连接。
- 一种矿井提升机缠绕卷筒乱绳判断方法,其特征是:1)设定判断周期T、判断周期T内工业相机与轴编码器相同的采样次数n,即每次的采样间隔时间Δt=T/n,并设定以m·Δt为时间间隔的采样过程不同时间段、相同周期T的分析周期T1、T2、T3…Tz,以及设定长度S1和S2为判断是否乱绳的阀值,其中m≤n,S2〉S1;2)工业相机连续采集卷筒卷放过程中钢丝绳的图像并传给工控机;3)工控机将图像进行灰度化和阈值化处理,将钢丝绳从背景中分离出来;4)设定经阈值化处理后图像上靠近卷筒表面的一条水平线,在该水平线上方,钢丝绳区域设置一种颜色A,其它区域设置另一种颜色B,选定水平线上方颜色A区域的像素水平坐标值的平均值为钢丝绳的出绳位置;5)设定钢丝绳在不同卷绕层下,卷筒出绳位置在卷筒宽度两端的极限位置为Ai、Bi,其中i=1,2…j,为卷筒上从内到外第i层卷绕层;6)工控机分析随时间先后设定的T1、T2、T3…Tz一个周期T内轴编码器测量的卷筒旋转角度和工业相机测量的卷筒卷放钢丝绳的出绳位置:a)若一个周期T内出绳位置未到达Ai或Bi,则若轴编码器测量的卷筒的旋转角度持续变化,且钢丝绳的出绳最终位置与起始位置的差值绝对值处在设定的阀值S1范围内或者大于等于阀值S2,则判断卷筒卷绕过程发生乱绳状态,并进行报警;若轴编码器测量的卷筒的旋转角度持续变化,且钢丝绳的出绳最终位置与起始位置的差值绝对值超出设定的阀值S1,并小于阀值S2,则判断卷筒卷绕过程未发生乱绳;若轴编码器测量的卷筒的旋转角度存在相同值,则判断卷筒停止缠绕;b)若一个周期T内出绳位置达到Ai或Bi,则若轴编码器测量的卷筒的旋转角度持续变化,且钢丝绳的出绳最终位置与起始位置各自与Ai或Bi位置坐标差值的绝对值之和处在设定的阀值S1范围内或者大于等于阀值S2,则判断卷筒卷绕过程发生乱绳状态,并进行报警;若轴编码器测量的卷筒的旋转角度持续变化,且钢丝绳的出绳最终位置与起始位置各自与Ai或Bi位置坐标差值的绝对值之和超出设定的阀值S1,并小于阀值S2,则判断卷筒卷绕过程未发生乱绳;若轴编码器测量的卷筒的旋转角度存在相同值,则判断卷筒停止缠绕。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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AU2015372216A AU2015372216B2 (en) | 2014-12-25 | 2015-05-13 | Disorder rope monitoring system and judging method for winding reel of mine hoist |
Applications Claiming Priority (2)
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CN201410826012.XA CN104477723B (zh) | 2014-12-25 | 2014-12-25 | 一种矿井提升机缠绕卷筒乱绳监测***的判断方法 |
CN201410826012.X | 2014-12-25 |
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PCT/CN2015/078848 WO2016101500A1 (zh) | 2014-12-25 | 2015-05-13 | 一种矿井提升机缠绕卷筒乱绳监测***与判断方法 |
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Cited By (3)
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US10544012B2 (en) | 2016-01-29 | 2020-01-28 | Manitowoc Crane Companies, Llc | Visual outrigger monitoring system |
US10717631B2 (en) | 2016-11-22 | 2020-07-21 | Manitowoc Crane Companies, Llc | Optical detection and analysis of crane hoist and rope |
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CN104477723B (zh) * | 2014-12-25 | 2017-03-15 | 中国矿业大学 | 一种矿井提升机缠绕卷筒乱绳监测***的判断方法 |
CN105347129B (zh) * | 2015-12-03 | 2018-01-19 | 中国矿业大学 | 一种缠绕式滚筒卷放钢丝绳运动状态识别***与方法 |
CN106365061B (zh) * | 2016-08-31 | 2018-05-18 | 永春德鑫服饰有限公司 | 一种卷扬机滚筒侧安装的缆绳安全监测装置 |
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US10544012B2 (en) | 2016-01-29 | 2020-01-28 | Manitowoc Crane Companies, Llc | Visual outrigger monitoring system |
US10717631B2 (en) | 2016-11-22 | 2020-07-21 | Manitowoc Crane Companies, Llc | Optical detection and analysis of crane hoist and rope |
US10829347B2 (en) | 2016-11-22 | 2020-11-10 | Manitowoc Crane Companies, Llc | Optical detection system for lift crane |
US11124392B2 (en) | 2016-11-22 | 2021-09-21 | Manitowoc Crane Companies, Llc | Optical detection and analysis for boom angles on a crane |
US11130658B2 (en) | 2016-11-22 | 2021-09-28 | Manitowoc Crane Companies, Llc | Optical detection and analysis of a counterweight assembly on a crane |
CN114059793A (zh) * | 2021-12-01 | 2022-02-18 | 成都理工大学 | 一种土木工程建筑结构加固装置 |
Also Published As
Publication number | Publication date |
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CN104477723B (zh) | 2017-03-15 |
AU2015372216B2 (en) | 2017-07-06 |
CN104477723A (zh) | 2015-04-01 |
AU2015372216A1 (en) | 2016-07-28 |
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