WO2020107889A1 - 提升机主轴裂纹在线监测系统及其工作方法 - Google Patents

提升机主轴裂纹在线监测系统及其工作方法 Download PDF

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Publication number
WO2020107889A1
WO2020107889A1 PCT/CN2019/094111 CN2019094111W WO2020107889A1 WO 2020107889 A1 WO2020107889 A1 WO 2020107889A1 CN 2019094111 W CN2019094111 W CN 2019094111W WO 2020107889 A1 WO2020107889 A1 WO 2020107889A1
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WIPO (PCT)
Prior art keywords
rope
main shaft
spiral tube
sliding body
zigbee module
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Ceased
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PCT/CN2019/094111
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English (en)
French (fr)
Inventor
卢昊
曹爽
朱真才
彭玉兴
周公博
曹国华
沈刚
李伟
王大刚
江帆
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China University of Mining and Technology CUMT
China University of Mining and Technology Beijing CUMTB
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China University of Mining and Technology CUMT
China University of Mining and Technology Beijing CUMTB
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Application filed by China University of Mining and Technology CUMT, China University of Mining and Technology Beijing CUMTB filed Critical China University of Mining and Technology CUMT
Priority to AU2019369209A priority Critical patent/AU2019369209B2/en
Priority to RU2020115102A priority patent/RU2732200C1/ru
Priority to US16/760,040 priority patent/US10989695B2/en
Publication of WO2020107889A1 publication Critical patent/WO2020107889A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • 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
    • 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
    • B66D1/28—Other constructional details
    • B66D1/40—Control devices
    • B66D1/48—Control devices automatic
    • B66D1/485—Control devices automatic electrical
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/041—Analysing solids on the surface of the material, e.g. using Lamb, Rayleigh or shear waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/043—Analysing solids in the interior, e.g. by shear waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/225—Supports, positioning or alignment in moving situation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2481—Wireless probes, e.g. with transponders or radio links
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0234—Metals, e.g. steel
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/0289—Internal structure, e.g. defects, grain size, texture

Definitions

  • the invention relates to the field of crack monitoring, in particular to an online monitoring system for the crack of the main shaft of a hoist.
  • the tensile force and torque of the steel wire rope on the main shaft are also A significant increase.
  • the static load of the elevator terminal will reach more than 240t, and the economic lifting speed will reach more than 20m/s.
  • the resulting huge dynamic load will seriously endanger the service life of the main shaft. Therefore, it is necessary to monitor the cracks on the main shaft of the thousand-meter deep well hoist online.
  • the object of the present invention is to provide an online monitoring system for the spindle crack of the hoist, which aims to solve the technical problem that the existing online crack monitoring system cannot monitor the cracks in the main shaft section of the drum.
  • An online monitoring system for the crack of the main shaft of the hoist which is arranged inside the reel and includes:
  • the crack detection part is used to detect the crack of the main shaft of the hoisting machine.
  • a sliding body is slidingly arranged on the guide rail, and both sides of the sliding body are respectively driven and connected with a rope traction member through a rope, and the rope traction member includes two, a first rope traction member and a second rope traction member, respectively, and two rope traction members
  • the component is used to drive the sliding body to move back and forth on the spiral tube guide rail;
  • the sliding body includes a curved tube body, an outer casing, and a thin-walled connection portion, wherein the curved tube body is a curved hollow tube body with a diameter smaller than the inner diameter of the spiral tube guide, and the curved tube body passes through the interior of the spiral tube guide ,
  • the spiral tube guide is provided with a through slot on the outward side, one end of the thin-walled connection portion is fixedly connected to the curved tube body, and the other end is connected to the outer housing through the through slot, the thin A bolt for fixing the rope is provided on the wall connection part, and an ultrasonic generator that emits ultrasonic waves to the main shaft of the hoist is installed at the bottom of the outer casing, and the ultrasonic generator is used to detect cracks on the main shaft of the hoist;
  • the wireless transmission part includes three zigbee wireless sensor modules, in which
  • the signal input end of the first zigbee module is connected to the signal output end of the first rope traction component
  • the signal input end of the second zigbee module is connected to the signal output end of the second rope traction component
  • the signal input end of the third zigbee module is connected to the signal output end of the ultrasonic generator;
  • the signal output terminal of the first zigbee module, the signal output terminal of the second zigbee module, and the signal output terminal of the third zigbee module are all connected to the signal input terminal of the computer;
  • the signal output terminal of the computer is respectively connected to the signal input terminal of the first rope traction component and the signal input terminal of the second rope traction component.
  • Bolts for fixing the rope are provided at both ends of the thin-walled connection part.
  • the structure of the first rope traction component and the second rope traction component are the same, both include: a stepper motor driver, a stepper motor and a rope guide wheel, wherein the stepper motor driver is installed at the spoke plate, and the rotation of the stepper motor
  • the rope guide wheel is connected to the shaft, the rope guide wheel is fixedly connected to one end of the rope, and the other end of the rope is connected to one side of the sliding body.
  • the left end of the spiral tube guide is sleeved with one end of the first rail joint, the other end of the first rail joint is fixedly connected to the cylindrical welded joint of the left spoke plate of the hoist, and the right end of the spiral tube rail is connected to the end of the second rail joint.
  • the other end of the second rail joint is fixedly connected to the cylindrical weld joint of the right spoke plate of the hoist.
  • the three zigbee wireless sensing modules include antennas, which extend to the outside through holes in the spoke plate during installation to avoid the influence of metal on wireless sensing.
  • the invention further discloses a working method based on the online monitoring system of the spindle crack of the hoist, the first zigbee module accepts the instruction sent by the computer, the first zigbee module transmits the instruction to the first stepper motor driver, the first step
  • the feeder motor drives the first guide wheel to rotate forward to realize the winding of the first traction rope to pull the sliding body to slide leftward on the spiral tube guide.
  • the ultrasonic generator clamped on the sliding body rotates along the spiral tube guide.
  • the spindle monitors, and the third zigbee module embedded in the ultrasonic generator transmits the monitored data to the computer in real time;
  • the computer sends a reverse instruction to the second zigbee module.
  • the second zigbee module transmits the instruction to the second stepper motor driver.
  • the second stepper motor drives the second guide wheel to reverse Rotate in the direction to realize the winding of the second traction rope to pull the sliding body to slide to the right on the spiral tube guide.
  • the ultrasonic generator clamped on the sliding body monitors the rotating main shaft along the spiral tube guide until the sliding body slides To the far right end of the spiral tube guide, such a cyclic reciprocation, real-time monitoring of the elevator main shaft.
  • the on-line monitoring system of the main shaft crack of the hoist of the present invention can monitor the internal crack of the main shaft section of the reel on-line, and can promptly and effectively warn the crack to expand one step further, to avoid the occurrence of safety accidents and loss of life and property.
  • the power part of the rope separates the power device from the sliding body mechanism, which can not only reduce the weight of the sliding body, but also meet the requirements of the small size of the sliding body in a small space with a small pitch of the spiral guide rail.
  • the zigbee wireless sensor module makes the transmission of computer commands more convenient and avoids the tangling of data lines caused by the rotation of the main shaft.
  • Fig. 1 is a schematic diagram of the overall structure of the online monitoring system for the spindle crack of the hoist of the present invention.
  • the first rail joint 2. The first traction rope; 3. The first guide wheel; 4. The first cylindrical welded joint; 5. The spiral tube rail; 6. The first stepper motor; 7. The sliding body; 8. Left spoke plate; 9. Right spoke plate
  • Figure 2 is a partially enlarged schematic view of Figure 1;
  • FIG. 3 is a schematic view of the structure of the spiral tube guide rail of the present invention.
  • FIG. 4 is a partially enlarged schematic diagram of FIG. 3;
  • FIG. 5 is a schematic view of the structure of the sliding body of the present invention.
  • 7-1 is the curved pipe body; 7-2, the outer shell; 7-3, the thin-walled connection portion; 16, bolts.
  • FIG. 1 is a schematic diagram of the overall structure of the online monitoring system for the spindle crack of the hoist of the present invention.
  • the on-line monitoring of the crack inside the main shaft section of the drum of the JK-2.5/20E single simple rope winding hoist is carried out, and a crack monitoring system is installed inside the drum, including the rope power part, the crack detection part and the wireless
  • the transmission part, the rope power part includes:
  • the right end of the second traction rope 13 is fixed to the guide wheel by a bolt on the end surface of the second guide wheel 12, the left end of the second traction rope 13 passes through the through hole at the upper end of the second rail joint 10, and then passes through the bolt and the sliding body at the right end of the sliding body 7 7 fixed.
  • Two stepper motor drivers installed at the left and right spokes respectively drive two stepper motors, which are a first stepper motor 6 and a second stepper motor 11, respectively, wherein the first stepper motor 6 drives the first
  • the guide wheel 3 rotates forward to realize the winding of the first traction rope 2
  • the second stepping motor 11 drives the second guide wheel 12 to rotate reversely to realize the winding of the second traction rope 13.
  • the crack detection part includes a spiral tube guide, a sliding body 7 and an ultrasonic generator, wherein the sliding body 7 tied by two ropes passes through the spiral tube guide, and the left end of the spiral tube guide is sleeved on the first rail joint 1, The other end of the first rail joint 1 is sleeved on the first cylindrical welded joint 4 of the left spoke of the hoist, the right end of the spiral tube guide is sleeved on the second rail joint 10, and the other end of the second rail joint 10 is sleeved on the right of the hoist
  • the ultrasonic generator is fixed to the bottom of the sliding body 7 by bolts;
  • the wireless transmission part includes three zigbee wireless sensor modules, the interface of the first zigbee module is connected in series with the interface of the first stepper motor driver, the interface of the second zigbee module is connected in series with the interface of the second stepper motor driver, and the third The interface of the zigbee module is connected in series with the interface of the ultrasonic generator.
  • the first zigbee module accepts the instruction sent by the computer and transmits it to the first stepper motor driver to drive the first stepper motor forward.
  • the second zigbee module accepts the instruction sent by the computer and transmits it to the first
  • the second stepper motor driver drives the second stepper motor to reverse
  • the third zigbee module transmits the data measured by the ultrasonic generator to the computer in real time.
  • the spiral tube guide is a tubular spiral tube guide with a through groove on the outer periphery.
  • the outer circumferential through groove communicates with the inside of the tubular spiral tube guide. Its function is to connect the inside of the sliding body 7 with the outside of the sliding body 7.
  • the sliding body 7 includes a curved tube body 7-1, an outer casing 7-2 and a thin-walled connection portion 7-3, wherein the curved tube body 7-1 is a curved hollow tube with a diameter smaller than the inner diameter of the spiral tube guide
  • the curved pipe body 7-1 passes through the inside of the spiral pipe guide, the spiral pipe guide is provided with a through-groove on the outward side, and one end of the thin-walled connecting portion 7-3 is fixedly connected to the curved pipe body 7 -1, the other end is connected to the outer casing 7-2 through the through slot, and the thin-walled connecting portion 7-3 is provided with bolts for fixing the rope, the outer casing 7-2
  • An ultrasonic generator that emits ultrasonic waves to the main shaft of the hoist is installed at the bottom of the machine, and the ultrasonic generator is used to detect cracks on the main shaft of the hoist;
  • the zigbee wireless sensing module includes an antenna, which extends to the outside through a hole on the spoke plate during installation to avoid the influence of metal on the wireless sensing.
  • the zigbee wireless sensor module includes a first zigbee module and a second zigbee module, and the first zigbee module and the second zigbee module simultaneously receive instructions from the computer, so that the first stepper motor is positive Rotation and reverse rotation of the second stepper motor are performed simultaneously.

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Abstract

一种提升机主轴裂纹在线监测系统及其工作方法，所述系统设置在卷筒内部，包括：绳索动力部分、裂纹检测部分、无线传输部分和计算机，绳索动力部分包括两条牵引绳索（2，13），两个导向轮（3，12），两个步进电机（6，11）和两个步进电机驱动器；裂纹检测部分包括螺旋管导轨，滑动体（7）以及超声波发生仪；无线传输部分包括3个zigbee无线传感模块。所述方法包括：zigbee无线传感模块接受计算机发出的指令传递给步进电机驱动器控制步进电机（6，11）转动，步进电机（6，11）带动导向轮转动实现牵引绳索（2，13）的缠绕来牵引滑动体（7）在螺旋管导轨上滑动，装夹在滑动体（7）上的超声波发生仪沿着螺旋管导轨对旋转的主轴进行监测，zigbee无线传感模块把检测的数据实时传递给计算机。

Description

提升机主轴裂纹在线监测系统及其工作方法 技术领域
本发明涉及裂纹监测领域，具体涉及一种提升机主轴裂纹在线监测系统。
背景技术
我国目前大多数煤井都是浅井，深至地面500～800m，而煤炭资源埋藏深度在1000～2000m的约占总储量的53％，必须采用千米深井提升系统(包括提升机、提升容器、提升钢丝绳等)。作为提升机的主要承载部件，主轴承担了提升、下放载荷的全部扭矩，同时也承受着两侧钢丝绳的拉力。随着井深达到千米以上，提升机最大静张力以及主轴卷筒的缠绕层数大大增加，导致钢丝绳在卷筒上产生远大于现有结构的缠绕压力，钢丝绳作用在主轴上的拉力以及扭矩也显著增加。当井深达到2000m时，提升机终端静载荷将达到240t以上，经济提升速度将达到20m/s以上，由此产生的巨大动载荷将严重危及主轴的使用寿命。因此，需要对千米深井提升机主轴的裂纹进行在线监测。
提升机卷筒内部主轴段的裂纹很难在线监测，一是由于提升机主轴转速达到81rad/s以上；二是卷筒内部空间很狭小，很难安装监测装置；三是有线传输很容易使数据线缠绕打结。
发明内容
发明目的：本发明的目的在于提供一种提升机主轴裂纹在线监测系统，旨在解决现有裂纹在线监测系统无法监测卷筒内部主轴段的裂纹技术问题。
为了实现上述目的，本发明采用了如下的技术方案：
一种提升机主轴裂纹在线监测系统，设置在卷筒内部，包括：
裂纹检测部分，用于对提升机主轴裂纹进行检测，包括：一螺旋管导轨，所述螺旋管导轨沿提升机主轴轴向套接于提升机主轴段外部并与提升机主轴相对固定，螺旋管导轨上滑动设置有滑动体，滑动体的两侧分别通过绳索与绳索牵引部件驱动连接，所述绳索牵引部件包括两个，分别是第一绳索牵引部件和第二绳索牵引部件，两个绳索牵引部件用于驱动所述滑动体在螺旋管导轨上来回移动；
所述滑动体包括弯曲管体，外部壳体以及薄壁连接部，其中，所述弯曲管体为一段直径小于螺旋管导轨内径的弯曲空心管体，弯曲管体穿过所述螺旋管导轨内部，所述螺旋管导轨朝外的一侧设有通槽，所述薄壁连接部一端固定连接所述弯曲管体，另一端穿过所述通槽与所述外部壳体相连，所述薄壁连接部上设有用于固定所述绳索的螺栓，所述外部壳体的底部安装向提升机主轴发射超声波的超声波发生仪，所述超声波发生仪用于对提升机主轴上裂纹进行检测；
无线传输部分，包括三个zigbee无线传感模块，其中，
第一zigbee模块的信号输入端与第一绳索牵引部件的信号输出端连接；
第二zigbee模块的信号输入端与第二绳索牵引部件的信号输出端连接；
第三zigbee模块的信号输入端与超声波发生仪的信号输出端连接；
第一zigbee模块的信号输出端、第二zigbee模块的信号输出端以及第三zigbee模块的信号输出端均与计算机的信号输入端连接；
计算机的信号输出端分别与第一绳索牵引部件的信号输入端、以及第二绳索牵引部件的信号输入端连接。
所述薄壁连接部的两端设有用于固定绳索的螺栓。
所述第一绳索牵引部件和第二绳索牵引部件的结构相同，均包括：步进电机驱动器、步进电机以及绳索导向轮，其中，步进电机驱动器安装在辐板处，步进电机的旋转轴上连接所述绳索导向轮，绳索导向轮与绳索的一端固定连接，绳索另一端与滑动体一侧连接。
所述螺旋管导轨的左端与第一导轨接头一端套接，第一导轨接头的另一端与提升机左辐板的圆柱焊接接头固定连接，螺旋管导轨的右端与第二导轨接头一端连接，第二导轨接头的另一端与提升机右辐板的圆柱焊接接头固定连接。
3个所述zigbee无线传感模块包含天线，在安装时通过辐板上的孔伸向外面，避免金属对无线传感的影响。
本发明还进一步公开了一种基于所述提升机主轴裂纹在线监测系统的工作方法，第一zigbee模块接受计算机发送的指令，第一zigbee模块把指令传递给第一步进电机驱动器，第一步进电机带动第一导向轮正向转动，实现第一牵引绳索的缠绕来牵引滑动体在螺旋管导轨上向左螺旋滑动，装夹在滑动体上的超声波发生仪沿着螺旋管导轨对旋转的主轴进行监测，内嵌在超声波发生仪内的第三zigbee模块实时把所监测的数据传给计算机；
当滑动体滑到螺旋管导轨最左端时，计算机发送反转的指令给第二zigbee模块，第二zigbee模块把指令传递给第二步进电机驱动器，第二步进电机带动第二导向轮反向转动，实现第二牵引绳索的缠绕来牵引滑动体在螺旋管导轨上向右螺旋滑动，装夹在滑动体上的超声波发生仪沿着螺旋管导轨对旋转的主轴进行监测，直到滑动体滑到螺旋管导轨最右端，这样循环往复，实现对提升机主轴的实时监测。
本发明的优点和积极效果在于：
1)本发明提升机主轴裂纹在线监测系统能对卷筒内部主轴段的裂纹在线监测，能及时有效地预警裂纹近一步扩展，避免安全事故发生和生命财产损失。
2)绳索动力部分使动力装置从滑动体机构上分离出来，既可以减轻滑动体的重量，也可以满足螺旋管导轨小螺距狭小空间内要求滑动体尺寸小的特点。
3)zigbee无线传感模块使计算机指令传输更加便捷，避免了由于主轴旋转而导致的数据线缠绕打结。
附图说明
图1为本发明提升机主轴裂纹在线监测系统总体结构示意图。
其中，1、第一导轨接头；2、第一牵引绳索；3、第一导向轮；4、第一圆柱焊接接头；5、螺旋管导轨；6、第一步进电机；7、滑动体；8、左辐板；9、右辐板
图2为图1的局部放大示意图；
其中，10、第二导轨接头；11、第二步进电机；12、第二导向轮；13、第二牵引绳索；14、第二圆柱焊接接头；
图3为本发明螺旋管导轨结构示意图。
图4为图3的局部放大示意图；
其中，15、通槽；
图5为本发明滑动体结构示意图；
其中，7-1为弯曲管体；7-2、外部壳体；7-3、薄壁连接部；16、螺栓。
具体实施方式：
下面结合附图和实施例对本发明做进一步的说明。
如图1所示，图1为本发明提升机主轴裂纹在线监测系统总体结构示意图。
在本实施例中，对JK-2.5/20E型单简单绳缠绕式提升机卷筒内部主轴段的裂纹进行在线监测，在卷筒内部安装裂纹监测系统，包括绳索动力部分、裂纹检测部分和无线传输部分，所述绳索动力部分包括：
两条牵引绳索、两个导向轮、两个步进电机、两个步进电机驱动器和两个导轨接头，第一牵引绳索2左端通过第一导向轮3端面上的螺栓与导向轮固定，第一牵引绳索2右端穿过第一导轨接头1上端的通孔，然后通过滑动体7左端的螺栓与滑动体7固定；
第二牵引绳索13右端通过第二导向轮12端面上的螺栓与导向轮固定，第二牵引绳索13左端穿过第二导轨接头10上端的通孔，然后通过滑动体7右端的螺栓与滑动体7固定。
安装在左、右辐板处的两个步进电机驱动器分别驱动两个步进电机，分别是第一步进电机6和第二步进电机11，其中，第一步进电机6带动第一导向轮3正向转动实现第一牵引绳索2的缠绕，第二步进电机11带动第二导向轮12反向转动实现第二牵引绳索13的缠绕。
所述裂纹检测部分包括螺旋管导轨、滑动体7以及超声波发生仪，其中，被两条绳索系住的滑动体7穿在螺旋管导轨上，螺旋管导轨左端套在第一导轨接头1上，第一导轨接头1的另一端套在提升机左辐板的第一圆柱焊接接头4上，螺旋管导轨右端套在第二导轨接头10上，第二导轨接头10的另一端套在提升机右辐板的第二圆柱焊接接头14上，超声波发生仪通过螺栓与滑动体7底部固定；
所述无线传输部分包括3个zigbee无线传感模块，第一zigbee模块的接口与第一步进电机驱动器的接口串联，第二zigbee模块的接口与第二步进电机驱动器的接口串联，第三zigbee模块的接口与超声波发生仪的接口串联，第一zigbee模块接受计算机发送的指令传递给第一步进电机驱动器驱动第一步进电机正转，第二zigbee模块接受计算机发送的指令传递给第二步进电机驱动器驱动第二步进电机反转，第三zigbee模块把超声波发生仪测得的数据实时传递给计算机。
所述螺旋管导轨为外周有通槽的管状螺旋管导轨，外周通槽与管状螺旋管导轨内部相通，其作用是使滑动体7内部与滑动体7外部相连。
所述滑动体7包括弯曲管体7-1，外部壳体7-2以及薄壁连接部7-3，其中，所述弯曲管体7-1为一段直径小于螺旋管导轨内径的弯曲空心管体，弯曲管体7-1穿过所述螺旋管导轨内部，所述螺旋管导轨朝外的一侧设有通槽，所述薄壁连接部7-3一端固定连接所述弯曲管体7-1，另一端穿过所述通槽与所述外部壳体7-2相连，所述薄壁连接部7-3上设有用于固定所述绳索的螺栓，所述外部壳体7-2的底部安装向提升机主轴发射超声波的超声波发生仪，所述超声波发生仪用于对提升机主轴上裂纹进行检测；
作为本发明技术方案的进一步优选，所述zigbee无线传感模块包含天线，在安装时通过辐板上的孔伸向外面，避免金属对无线传感的影响。
作为本发明技术方案的进一步优选，所述zigbee无线传感模块包含第一zigbee模块和第二zigbee模块，第一zigbee模块和第二zigbee模块同时接受计算机发出的指令，使得第一步进电机正转和第二步进电机反转同时进行。
本发明未详细阐述的部分属于本领域研究人员的公知技术。

Claims (6)

  1. 一种提升机主轴裂纹在线监测系统，设置在卷筒内部，其特征在于，包括：
    裂纹检测部分，用于对提升机主轴裂纹进行检测，包括：一螺旋管导轨，所述螺旋管导轨沿提升机主轴轴向套接于提升机主轴段外部并与提升机主轴相对固定，螺旋管导轨上滑动设置有滑动体，滑动体的两侧分别通过绳索与绳索牵引部件驱动连接，所述绳索牵引部件包括两个，分别是第一绳索牵引部件和第二绳索牵引部件，两个绳索牵引部件用于驱动所述滑动体在螺旋管导轨上来回移动；
    所述滑动体包括弯曲管体，外部壳体以及薄壁连接部，其中，所述弯曲管体为一段直径小于螺旋管导轨内径的弯曲空心管体，弯曲管体穿过所述螺旋管导轨内部，所述螺旋管导轨朝外的一侧设有通槽，所述薄壁连接部一端固定连接所述弯曲管体，另一端穿过所述通槽与所述外部壳体相连，所述薄壁连接部上设有用于固定所述绳索的螺栓，所述外部壳体的底部安装向提升机主轴发射超声波的超声波发生仪，所述超声波发生仪用于对提升机主轴上裂纹进行检测；
    无线传输部分，包括三个zigbee无线传感模块，其中，
    第一zigbee模块的信号输入端与第一绳索牵引部件的信号输出端连接；
    第二zigbee模块的信号输入端与第二绳索牵引部件的信号输出端连接；
    第三zigbee模块的信号输入端与超声波发生仪的信号输出端连接；
    第一zigbee模块的信号输出端、第二zigbee模块的信号输出端以及第三zigbee模块的信号输出端均与计算机的信号输入端连接；
    计算机的信号输出端分别与第一绳索牵引部件的信号输入端、以及第二绳索牵引部件的信号输入端连接。
  2. 根据权利要求1所述的提升机主轴裂纹在线监测系统，其特征在于，所述薄壁连接部上设有用于固定所述绳索的螺栓。
  3. 根据权利要求1所述的提升机主轴裂纹在线监测系统，其特征在于，所述第一绳索牵引部件和第二绳索牵引部件的结构相同，均包括：步进电机驱动器、步进电机以及绳索导向轮，其中，步进电机驱动器安装在辐板处，步进电机的旋转轴上连接所述绳索导向轮，绳索导向轮与绳索的一端固定连接，绳索另一端与滑动体一侧连接。
  4. 根据权利要求1所述的提升机主轴裂纹在线监测系统，其特征在于，所述螺旋管导轨的左端与第一导轨接头一端套接，第一导轨接头的另一端与提升机左辐板的圆柱焊接接头固定连接，螺旋管导轨的右端与第二导轨接头一端连接，第二导轨接头的另一端与提升机右辐板的圆柱焊接接头固定连接。
  5. 根据权利要求1所述的提升机主轴裂纹在线监测系统，其特征在于，3个所述zigbee无线传感模块包含天线，在安装时通过辐板上的孔伸向外面，避免金属对无线传感的影响。
  6. 一种基于权利要求1～4中任一所述提升机主轴裂纹在线监测系统的工作方法，其特征在于，第一zigbee模块接受计算机发送的指令，第一zigbee模块把指令传递给第一步进电机驱动器，第一步进电机带动第一导向轮正向转动，实现第一牵引绳索的缠绕来牵引滑动体在螺旋管导轨上向左螺旋滑动，装夹在滑动体上的超声波发生仪沿着螺旋管导轨对旋转的主轴进行监测，内嵌在超声波发生仪内的第三zigbee模块实时把所监测的数据传给计算机；
    当滑动体滑到螺旋管导轨最左端时，计算机发送反转的指令给第二zigbee模块，第二 zigbee模块把指令传递给第二步进电机驱动器，第二步进电机带动第二导向轮反向转动，实现第二牵引绳索的缠绕来牵引滑动体在螺旋管导轨上向右螺旋滑动，装夹在滑动体上的超声波发生仪沿着螺旋管导轨对旋转的主轴进行监测，直到滑动体滑到螺旋管导轨最右端，这样循环往复，实现对提升机主轴的实时监测。
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