WO2016086863A1 - 一种用于千米深井缠绕提升钢丝绳冲击摩擦试验系统 - Google Patents

一种用于千米深井缠绕提升钢丝绳冲击摩擦试验系统 Download PDF

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WO2016086863A1
WO2016086863A1 PCT/CN2015/096236 CN2015096236W WO2016086863A1 WO 2016086863 A1 WO2016086863 A1 WO 2016086863A1 CN 2015096236 W CN2015096236 W CN 2015096236W WO 2016086863 A1 WO2016086863 A1 WO 2016086863A1
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wire rope
roller
frame
friction wheel
friction
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PCT/CN2015/096236
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English (en)
French (fr)
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朱真才
彭玉兴
季红涛
陈国安
曹国华
王大刚
李伟
周公博
沈刚
卢昊
常向东
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中国矿业大学
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Publication of WO2016086863A1 publication Critical patent/WO2016086863A1/zh
Priority to ZA201606047A priority Critical patent/ZA201606047B/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/02—Measuring coefficient of friction between materials

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  • the invention relates to an impact friction test system for a kilometer deep well winding hoisting wire rope, which can conduct friction research on the impact friction fatigue behavior between the hoisting wire ropes, in particular relates to a measurable winding hoist driving wheel torque speed and a steel wire rope Test system for friction temperature rise and friction coefficient between steel wires.
  • the invention solves the problem that the existing friction test system can not simulate the impact friction of the wound wire rope, and proposes a kilometer deep well winding wire rope impact friction test system which is simple and compact and easy to operate.
  • the utility model relates to an impact friction test system for a kilometer deep well winding hoisting wire rope, comprising a frame.
  • the left end of the frame is provided with a roller, and the roller is erected in the bearing seat of the frame through the central axis of the roller, and the central axis of the roller passes through the torque tachometer and
  • the variable speed motor is connected, and the thrust cylinder is horizontally placed at the same height position as the center axis of the roller at the right end of the frame, and the thrust cylinder and the friction wheel are connected by the pin shaft.
  • the center position of the friction wheel is at the same height as the thrust cylinder, and the friction wheel is
  • the side is fixed on the movable support, the movable support is erected on the guide rail fixed on the frame, and the first wire rope is wound two times on the roller, the second wire rope is wound on the friction wheel, and the second wire rope is in contact with the two wires.
  • the first wire rope is in the middle of the gap.
  • the roller is wound with two turns of the first wire rope side by side; the variable speed motor can adjust different speeds and accelerations to drive the roller to rotate according to requirements; the friction wheel is fixed on the movable support and can slide horizontally along the guide rail Adjusting the thrust cylinder flow rate so that the friction wheel contacts the roller at different impact speeds along the guide rail, and adjusts The thrust cylinder oil pressure causes the friction wheel to contact the roller at different contact ratios along the guide rail; an infrared camera is disposed on a side of the first wire rope and the second wire rope contact position.
  • the invention can simulate the friction condition between the hoisting wire ropes of the deep well winding hoist of the kilometer, the mechanism is simple and compact, the method is simple and easy to operate, the installation is convenient, and the effect is outstanding.
  • the friction contact form between the wire ropes is basically the same as the actual working condition, which can truly reflect the tribological performance under the friction condition between the wire ropes;
  • Figure 1 is a schematic front view of the structure of the present invention.
  • FIG. 2 is a schematic top plan view of the present invention.
  • roller-1 friction wheel-2, movable support-3, thrust cylinder-4, frame-5, variable speed motor-6, torque tachometer-7, bearing block-8, rolling center axis- 9, the first wire rope - 10, infrared camera - 11, the second wire rope - 12, rail - 13;
  • an impact friction test system for a kilometer deep well winding hoisting wire rope comprises a roller 1, a friction wheel 2, a movable support 3, a thrust cylinder 4, a frame 5, a variable speed motor 6, and a turn Moment tachometer 7, bearing block 8, rolling center shaft 9, first wire rope 10, infrared camera 11, second wire rope 12 and guide rail 13, the left end of the frame 5 is provided with a roller 1, and the roller 1 is erected via the roller center shaft 9
  • the roller central shaft 9 is connected to the variable speed motor 6 via the torque tachometer 7, and the thrust cylinder 4 is horizontally disposed at the same height position of the roller center shaft 9 at the right end of the frame 5, and the thrust cylinder 4 is provided.
  • the friction wheel 2 is connected with the pin shaft.
  • the center position of the friction wheel 2 is at the same height as the thrust cylinder 4, and the friction wheel 2 is fixed on the movable support 3 on both sides (the friction wheel 2 cannot rotate), and the movable branch is movable.
  • the seat 3 is erected on the guide rail 13 fixed to the frame 5, and can slide along the guide rail 13 at a small distance.
  • the first steel wire rope 10 is wound side by side on the roller 2, and the second steel wire rope 12 is wound around the friction wheel 2, and the second Steel wire
  • the cord 12 is in contact with the gap between the two loops of the first wire rope 10, and the infrared camera 11 is disposed on the side of the contact position of the first wire rope 10 and the second wire rope 12, and is fixed to the frame 5.
  • variable speed motor 6 provides a power source for the system according to the set speed and acceleration, and the roller 1 is rotated by the torque tachometer 7, and the first wire rope wound on the roller 1 is wound.
  • the thrust cylinder 4 applies a force to the friction wheel 2, and adjusts the flow rate of the thrust cylinder 4 to set the impact speed to push the movable support 3 to move along the guide rail 13 toward the direction of the roller 1 until it is wound.
  • the second wire rope 12 of the friction wheel 2 is subjected to impact friction with the rotating first wire rope 10, and at this time, the second wire rope 12 is fixed to the friction wheel 2 and is stationary, and the first wire rope 10 is adjusted by adjusting the oil pressure of the thrust cylinder 4.
  • the contact pressure between the second wire ropes 12 is accurately simulated to simulate the winding condition of the winding wire rope; the impact speed between the first wire rope 10 and the second wire rope 12 and the contact specific pressure are obtained by the sensor of the thrust cylinder 4, and the speed of the roller 1
  • the acceleration and the torque are obtained by the torque tachometer 7, and the infrared camera 11 is used to measure the temperature rise of the first wire rope 10 and the second wire rope 12, by changing 10 to give friction force and friction factor variation between the first cable 12 and the second rope, on one thousand meters deep in order to achieve accurate measurement of the rope hoist winding impact tribological properties.

Abstract

一种用于千米深井缠绕提升钢丝绳冲击摩擦试验系统，包括机架(5)，机架(5)的左端设置滚轮(1)，滚轮(1)经滚轮中心轴(9)架设在机架(5)上的轴承座(8)内，滚轮中心轴(9)经转矩转速仪(7)与变速电机(6)相连，于机架(5)的右端与滚轮中心轴(9)同一高度位置水平设置推力油缸(4)，推力油缸(4)与摩擦轮(2)通过销轴连接在一起，摩擦轮(2)的形心位置与推力油缸(4)位于同一高度，摩擦轮(2)两侧固定于可移动支座(3)上，可移动支座(3)架设在固定于机架的导轨(13)上，滚轮(1)上并排缠绕钢丝绳(10)两圈，摩擦轮(2)上缠绕钢丝绳(12)一圈。该系统能模拟千米深井缠绕提升钢丝绳冲击摩擦的工况，研究不同转速、加速度、冲击速度、接触比压情况下钢丝绳摩擦学性能，其结构简单紧凑，方法简便，成本较低，效果突出。

Description

一种用于千米深井缠绕提升钢丝绳冲击摩擦试验系统 技术领域
本发明涉及一种用于千米深井缠绕提升钢丝绳冲击摩擦试验系统，能够对提升钢丝绳之间的冲击摩擦疲劳行为进行摩擦研究，具体涉及一种可测量缠绕提升机主动轮转矩转速、钢丝绳间摩擦温升以及钢丝绳间摩擦系数的试验系统。
背景技术
随着我国矿井提升深度的不断发展，深井提升机的设计、生产和使用，已经成为我国提升机发展的主流方向。对于千米深井提升机而言，钢丝绳失效是制约其寿命的关键因素。其中，在千米深井缠绕提升过程中，提升速度可达25m/s，钢丝绳间及不同层间的高速冲击、挤压摩擦磨损是致使钢丝绳失效的主要原因。目前尚无用来模拟千米深井缠绕提升钢丝绳冲击摩擦的试验系统。
因此，如能开发一种方便加工且能很好地模拟缠绕提升钢丝绳冲击摩擦的试验系统，则可以更好地研究缠绕式提升机钢丝绳间的冲击摩擦特性，从而为提高缠绕提升钢丝绳使用寿命提供有力依据。
发明内容
本发明为解决现有摩擦试验系统无法模拟缠绕提升钢丝绳冲击摩擦的问题，进而提出一种结构简单紧凑，易于操作的千米深井缠绕提升钢丝绳冲击摩擦试验系统。
本发明采用以下技术方案：
一种用于千米深井缠绕提升钢丝绳冲击摩擦试验系统，包括机架，机架的左端设置滚轮，滚轮经滚轮中心轴架设在机架上的轴承座内，滚轮中心轴经转矩转速仪与变速电机相连，于机架的右端与滚轮中心轴同一高度位置处水平放置推力油缸，推力油缸与摩擦轮通过销轴连接在一起，摩擦轮的形心位置与推力油缸位于同一高度，摩擦轮两侧固定于可移动支座上，可移动支座架设在固定于机架的导轨上，在滚轮上并排缠绕第一钢丝绳两圈，摩擦轮上缠绕第二钢丝绳一圈，第二钢丝绳接触于两圈第一钢丝绳缝隙中间。
所述的滚轮上并排缠绕两圈第一钢丝绳；所述变速电机可以按照要求调节不同的速度、加速度带动滚轮转动；所述的摩擦轮固定于可移动支座上，可沿导轨做水平方向滑动；通过调节所述推力油缸流量使摩擦轮沿导轨以不同冲击速度与滚轮接触，通过调节 所述推力油缸油压使摩擦轮沿导轨以不同接触比压与滚轮接触；在所述第一钢丝绳与第二钢丝绳接触位置侧面设置有红外热像仪。
有益效果：本发明能模拟千米深井缠绕提升机提升钢丝绳间的摩擦工况，其机构简单紧凑，方法简便易于操作，安装方便，效果突出。具有以下优点：
1)钢丝绳之间的摩擦接触形式与实际工况基本一致，能够真实反映钢丝绳间摩擦工况下的摩擦学性能；
2)采用变速电机，可以按照要求调节不同的速度、加速度，从而更加真实地模拟缠绕提升钢丝绳摩擦工况；
3)通过推力油缸、转矩转速仪以及红外热像仪实时动态监测冲击速度、钢丝绳接触比压、滚轮速度、加速度、转矩以及钢丝绳温升，从而真实地反映钢丝绳间冲击摩擦工况下的摩擦学性能。
附图说明
图1为本发明的主视结构示意图。
图2为本发明的俯视结构示意图。
图中：滚轮—1，摩擦轮—2，可移动支座—3，推力油缸—4，机架—5，变速电机—6，转矩转速仪—7，轴承座—8，滚动中心轴—9，第一钢丝绳—10，红外热像仪—11，第二钢丝绳—12，导轨—13；
具体实施方式
以下结合具体实施例，对本发明进行详细说明。
参考图1以及图2所示，一种用于千米深井缠绕提升钢丝绳冲击摩擦试验系统包括滚轮1、摩擦轮2、可移动支座3、推力油缸4、机架5、变速电机6、转矩转速仪7、轴承座8、滚动中心轴9、第一钢丝绳10、红外热像仪11、第二钢丝绳12以及导轨13,机架5的左端设置滚轮1，滚轮1经滚轮中心轴9架设在机架5上的轴承座8内，滚轮中心轴9经转矩转速仪7与变速电机6相连，于机架5的右端与滚轮中心轴9同一高度位置水平设置推力油缸4，推力油缸4与摩擦轮2通过销轴连接在一起，摩擦轮2的形心位置与推力油缸4位于同一高度，摩擦轮2两侧固定于可移动支座3上(摩擦轮2不能转动)，可移动支座3架设在固定于机架5的导轨13上，可沿导轨13做小距离滑动，在滚轮2上并排缠绕第一钢丝绳10两圈，摩擦轮2上缠绕第二钢丝绳12一圈，第二钢丝 绳12接触于两圈第一钢丝绳10的缝隙中间，在第一钢丝绳10与第二钢丝绳12接触位置侧面设置红外热像仪11，固定于机架5上。
工作原理及工作过程：当本发明需要工作时，变速电机6按照设定的速度和加速度工作为系统提供动力源，经由转矩转速仪7带动滚轮1转动，缠绕于滚轮1上的第一钢丝绳跟随滚轮1同步转动，此时推力油缸4施加作用力于摩擦轮2上，通过调节推力油缸4的流量以调定冲击速度推动可移动支座3沿导轨13向滚轮1靠近方向移动直至缠绕于摩擦轮2的第二钢丝绳12与转动的第一钢丝绳10发生冲击摩擦，此时第二钢丝绳12固定于摩擦轮2上静止不动，通过调整推力油缸4的油压来调整第一钢丝绳10与第二钢丝绳12之间的接触比压，从而准确模拟缠绕提升钢丝绳摩擦工况；第一钢丝绳10与第二钢丝绳12之间的冲击速度以及接触比压由推力油缸4的传感器获得，滚轮1转速、加速度以及转矩通过转矩转速仪7获得，红外热像仪11用来测量第一钢丝绳10与第二钢丝绳12的温升，通过换算得到第一钢丝绳10与第二钢丝绳12之间的摩擦力和摩擦因数变化规律，从而实现对千米深井缠绕提升钢丝绳冲击摩擦学性能的准确测量。
应当理解的是，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (4)

  1. 一种用于千米深井缠绕提升钢丝绳冲击摩擦试验系统，其特征在于：包括机架(5)，机架(5)的左端设置滚轮(1)，滚轮(1)经滚轮中心轴(9)架设在机架(5)上的轴承座(8)内，滚轮中心轴(9)经转矩转速仪(7)与变速电机(6)相连，于机架(5)的右端与滚轮中心轴(9)同一高度位置水平设置推力油缸(4)，推力油缸(4)与摩擦轮(2)通过销轴连接在一起，摩擦轮(2)的形心位置与推力油缸(4)位于同一高度，摩擦轮(2)两侧固定于可移动支座(3)上，可移动支座(3)架设在导轨(13)上，导轨(13)固定在机架(5)上方，在滚轮(2)上并排缠绕第一钢丝绳(10)两圈，摩擦轮(2)上缠绕第二钢丝绳(12)一圈，第二钢丝绳(12)接触于两圈第一钢丝绳(10)的缝隙中间。
  2. 根据权利要求1所述的冲击摩擦试验系统，其特征在于：所述变速电机(6)可以按照要求调节不同的速度、加速度带动滚轮(1)转动。
  3. 根据权利要求1所述的冲击摩擦试验系统，其特征在于：所述摩擦轮(2)固定于可移动支座(3)上，通过调节推力油缸(4)流量使摩擦轮(2)沿导轨(13)以不同冲击速度与滚轮(1)接触，通过调节推力油缸(4)油压使摩擦轮(2)沿导轨(13)以不同比压与滚轮(1)接触。
  4. 根据权利要求1所述的冲击摩擦试验系统，其特征在于：在所述第一钢丝绳(10)与第二钢丝绳(12)接触位置侧面设置有红外热像仪(11)。
PCT/CN2015/096236 2014-12-05 2015-12-03 一种用于千米深井缠绕提升钢丝绳冲击摩擦试验系统 WO2016086863A1 (zh)

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ZA201606047A ZA201606047B (en) 2014-12-05 2016-08-31 Wound lifting wire rope impact friction test system in a kilometer-deep well

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CN201410728399.5A CN104677816B (zh) 2014-12-05 2014-12-05 一种用于千米深井缠绕提升钢丝绳冲击摩擦试验系统
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CN105675280B (zh) * 2016-02-18 2018-02-02 中国矿业大学 千米深井提升机主轴弯扭复合疲劳损伤监测装置及方法
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