WO2012016522A1 - 单层四股不旋转钢丝绳 - Google Patents

单层四股不旋转钢丝绳 Download PDF

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Publication number
WO2012016522A1
WO2012016522A1 PCT/CN2011/077961 CN2011077961W WO2012016522A1 WO 2012016522 A1 WO2012016522 A1 WO 2012016522A1 CN 2011077961 W CN2011077961 W CN 2011077961W WO 2012016522 A1 WO2012016522 A1 WO 2012016522A1
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WO
WIPO (PCT)
Prior art keywords
wire rope
layer
steel wire
strand
strands
Prior art date
Application number
PCT/CN2011/077961
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English (en)
French (fr)
Inventor
朴喜球
Original Assignee
贝卡尔特（青岛）钢丝产品有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 贝卡尔特（青岛）钢丝产品有限公司 filed Critical 贝卡尔特（青岛）钢丝产品有限公司
Publication of WO2012016522A1 publication Critical patent/WO2012016522A1/zh

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Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/10—Making ropes or cables from special materials or of particular form from strands of non-circular cross-section
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/141—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases
    • D07B1/144—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases for cables or cable components built-up from metal wires
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/007—Making ropes or cables from special materials or of particular form comprising postformed and thereby radially plastically deformed elements
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/104—Rope or cable structures twisted
    • D07B2201/1044—Rope or cable structures twisted characterised by a value or range of the pitch parameter given
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2015—Strands
    • D07B2201/2019—Strands pressed to shape
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2401/00—Aspects related to the problem to be solved or advantage
    • D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
    • D07B2401/2015—Killing or avoiding twist

Definitions

  • the utility model relates to a steel wire rope structure, in particular to a single-layer four-strand non-rotating steel wire rope. Background technique
  • Wire ropes used on heavy duty mobile crawler cranes are typically 35W x 7-sided contact wire ropes.
  • the method of tanning is: the central stock is lx 7 common stock, the first layer is 6 1 7 contact strands, the second layer is 6 large and 6 small 1 X 7 surface contact strands are alternately distributed between the two. 18 strands are used as a rope core; the third layer is 16 1 X 7-face contact strands, wrapped around the core and opposite to the twist of the core.
  • This kind of steel wire rope has the characteristics of anti-rotation and good flexibility, and its strength is generally
  • 35W x 7 surface contact wire rope mainly has the following four disadvantages: 1.
  • the price is too high, the average price is above 40,000 yuan / ton; 2. Since the wire rope is all steel wire, the internal oil content of the wire rope is insufficient; 3.
  • the service life is short Insufficient, short-lived less than half a year, it is often difficult to reach agreement with suppliers to negotiate compensation; 4.
  • the rope structure is unstable, and it is easy to damage early ropes, strands and core extrusion in the multi-layer winding. Summary of the invention
  • the purpose of the utility model is to provide a single-layer four-strand non-replacement wire rope which can replace the 35W x 7 surface contact wire rope for the defect of the 35W x 7 surface contact wire rope. Rotate the wire rope.
  • the technical scheme of the utility model is as follows: A single-layer four-strand non-rotating steel wire rope, which is formed by forging and twisting four separately compacted outer strands and a core of an oil-containing polymer polymer material, each 5 ⁇ The outer diameter of the strands of the diameter of the strand is 8. 6-9. 0 times. Further, as described above, the single-layer four-strand non-rotating steel wire rope, wherein each outer layer has a compression ratio of 6% to 12% in real time.
  • the single-layer four-strand non-rotating steel wire rope has a compression ratio of 15% to 25% when the integral steel wire rope is forged.
  • the utility model has the following beneficial effects: the outer surface of the single-layer four-strand non-rotating steel wire rope provided by the utility model is smooth and smooth, improves the contact area between the steel wire rope and the pulley, the reel and the supporting wheel, reduces the stress concentration, and reduces the premature breaking of the steel wire rope.
  • Silk leads to the possibility of scrapping, ensuring the service life of the wire rope; the core is made of oil-containing polymer polymer materials (such as nylon-66, nylon-6, polypropylene, etc.) to ensure the internal lubrication of the wire rope; the manufacturing cost of the wire rope is relative to 35W The x 7-face contact wire rope is significantly reduced, which reduces the selling price; the reasonable parameter design ensures that the wire rope's anti-rotation is equivalent to the 35W x 7-face contact wire rope.
  • Figure 1 is a schematic cross-sectional view of the present invention
  • Figure 2 is a side elevational view of the present invention. detailed description
  • the non-rotating wire rope is a property in which the wire rope does not rotate around its own axis when the vertical suspension is in a working state.
  • the non-rotating properties of the wire rope are of great importance for use. In the case of sinking wells in new mines, lifting cranes and other heavy objects, etc., it is required that the wire ropes do not rotate in order to work properly. If the wire rope rotates, it will affect the work efficiency and property life safety. In addition, for the wire rope itself, due to the rotation, the fatigue performance will be continuously reduced, which will affect the service life of the wire rope.
  • the lay length of the strands should be reduced, and the pitch of the strands should be increased, and the number of strands should be reduced, and the strands should be made into shaped strands to increase the sum of the moments of the strands to offset the torque of the strands. Thereby meeting the requirements of non-rotation.
  • the single-layer four-strand non-rotating steel wire rope provided by the utility model is made up of four separately compacted outer layer strands 1 and a cord core 2 containing an oil-containing polymer polymer material.
  • polymer polymer materials such as nylon-66, nylon-6, polypropylene, etc. can be used. 5 ⁇
  • the length of the outer diameter of the strand is 6. 6-7. 0 times, such as 6.6 times, 6. 8 times, 7. 0 times; 9. 0 times, such as 8.6 times, 8. 8 times, 9. 0 times.
  • the lay length is an extremely important tanning process parameter for wire ropes. It has a major impact on the structural properties and production of steel wire ropes and is a major technical parameter for tanning equipment.
  • the interpupillary distance is defined as follows: In the case of a shin or strand, the linear distance between the starting and ending points of the wire around the core or strand around the core (360°).
  • the four outer strands 1 of the single-layer, four-strand non-rotating steel cord are individually compacted, shaped strands, which are compacted using WS (36) structural strands, each of which is individually pressed
  • the real-time compression ratio is 6% ⁇ 12%.
  • the wire rope made of yttrium is further compacted by forging, and the compression ratio during forging is 15% to 25%, which makes it have good wear resistance and increases the contact area with the parts.
  • using the inherent anti-rotation characteristics of the four-strand rope reducing the interpupillary distance of the strands (6. 6-7. 0 times the diameter of the strands), increasing the lay length of the rope (8. 6-9. 0 times the diameter of the rope), Achieve anti-rotation purposes.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Ropes Or Cables (AREA)

Description

单层四股不旋转钢丝绳 技术领域
本实用新型涉及一种钢丝绳结构， 具体为一种单层四股不旋 转钢丝绳。 背景技术
在重型移动式履带起重机上使用的钢丝绳， 一般为 35W x 7面接 触钢丝绳。 其捻制方法是： 中心股为 l x 7普通股， 第一层为 6根 1 7面接触股， 第二层为 6根大的和 6根小的 1 X 7面接触股相间交 替分布， 此 18根股为一次捻成作为绳芯； 第三层为 16根 1 X 7面接 触股， 包裹在绳芯的外面， 且与绳芯的捻向相反。 这样， 钢丝绳在运 转中， 绳芯和外层股产生的扭矩相互抵消， 从而达到抗旋转的目的。 这种钢丝绳具有抗旋转和良好的柔韧性等特性， 其强度一般在
1960Mpa以上。 它的使用要求非常苛刻， 一年内钢丝绳不得有断丝、 扭结、 缩径、 磨损超标等非正常损坏。
35W x 7面接触钢丝绳主要存在以下四个缺点： 1.价格太高， 平 均价格在 4万元 /吨以上； 2.由于钢丝绳全部为钢丝， 钢丝绳的内部 存油量不足； 3.使用寿命长短不一， 寿命短的不足半年， 与供应商协 商赔偿往往难以达成一致； 4. 钢丝绳结构不稳定， 在多层缠绕中容 易难绳、 散股和绳芯挤出等早期损坏。 发明内容
本实用新型的目的在于针对 35W x 7面接触钢丝绳的缺陷， 提供 一种可以替代 35W x 7面接触钢丝绳， 且性能更加优良的单层四股不 旋转钢丝绳。 本实用新型的技术方案如下： 一种单层四股不旋转钢丝绳， 由四 根经单独压实的外层股和一根含油聚合物高分子材料的绳芯经捻制 锻打而成，每根外层股的捻距为股直径的 6. 6~7. 0倍， 整体钢丝绳的 捻距为绳直径的 8. 6-9. 0倍。 进一步， 如上所述的单层四股不旋转钢丝绳， 其中， 每根外层股 在单独压实时的压缩率为 6%~12%。 进一步， 如上所述的单层四股不旋转钢丝绳， 其中， 整体钢丝绳 锻打时的压缩率为 15%~25%。 本实用新型的有益效果如下：本实用新型所提供的单层四股不旋 转钢丝绳外表面平整圓滑， 提高了钢丝绳与滑轮、 卷筒、 托轮的接触 面积， 减少了应力集中， 减少了钢丝绳提前断丝导致报废的几率， 确 保了钢丝绳的使用寿命； 绳芯采用含油聚合物高分子材料（如尼龙 -66、 尼龙 -6、 聚丙烯等）， 确保钢丝绳的内部润滑； 钢丝绳的制造成 本相对于 35W x 7面接触钢丝绳明显减少， 从而降低了销售价格； 采 用合理的参数设计， 确保钢丝绳的抗旋转性与 35W x 7面接触钢丝绳 相当。 附图说明
图 1为本实用新型的横截面示意图； 图 2为本实用新型的侧面示意图。 具体实施方式
下面结合附图和实施例对本实用新型进行详细的描述。
不旋转钢丝绳是指钢丝绳在竖直悬吊重物工作状态时，不会产生 围绕自身轴线旋转的一种性能。 钢丝绳的不旋转性能对使用来说， 有 着极为重要的意义。 在新建矿井时凿井、各种起重机提升重物等等使 用场合下， 都要求钢丝绳不旋转， 才能正常工作。 如果钢丝绳旋转， 会影响工作效率以及财产生命安全， 此外对钢丝绳本身来说， 由于旋 转， 会不断地降低疲劳性能， 而影响钢丝绳的使用寿命。 对于单层股 钢丝绳来说， 应该缩小股的捻距， 而且增大绳的捻距， 并尽量减少股 数， 将股制成异形股， 以便增大股的力矩之和来抵消绳的力矩， 从而 满足不旋转的要求。
如图 1、图 2所示，本实用新型所提供的单层四股不旋转钢丝绳， 由四根经单独压实的外层股 1和一根含油聚合物高分子材料的绳芯 2 经捻制锻打而成， 聚合物高分子材料可选用如尼龙 -66、 尼龙 -6、 聚 丙烯等。 每根外层股的捻距为股直径的 6. 6-7. 0倍， 如 6. 6倍、 6. 8 倍、 7. 0倍； 整体钢丝绳的捻距为绳直径的 8. 6-9. 0倍， 如 8. 6倍、 8. 8倍、 9. 0倍。 捻距是钢丝绳的一项极其重要的捻制工艺参数。 对 钢丝绳的结构性能和产量等方面有着重大影响，也是捻制设备的一项 主要技术参数。 捻距的定义如下： 在捻股或合绳时， 钢丝围绕股芯或 绳股围绕绳芯旋转一周（360。 ）的起止点间的直线距离。
上述单层四股不旋转钢丝绳的四根外层股 1 是经过单独压实的 异形股， 采用 WS (36)结构绳股进行压实加工， 每根外层股在单独压 实时的压缩率为 6%~12%。 捻制成的钢丝绳再经过锻打二次压实， 锻 打时的压缩率为 15%~25%, 使之具有良好的耐磨性并增加与之接触机 件的接触面积。 同时利用四股绳固有的抗旋转特性， 减小股的捻距 (6. 6-7. 0倍股直径）， 加大绳的捻距 (8. 6-9. 0倍绳直径）， 使之达到 抗旋转的目的。

Claims

权 利 要 求 书
1. 一种单层四股不旋转钢丝绳， 其特征在于： 由四根经单独压 实的外层股和一根含油聚合物高分子材料的绳芯经捻制锻打而成，每 根外层股的捻距为股直径的 6. 6-7. 0倍，整体钢丝绳的捻距为绳直径 的 8. 6-9. 0倍。
2. 如权利要求 1所述的单层四股不旋转钢丝绳， 其特征在于： 每根外层股在单独压实时的压缩率为 6%~12%。
3. 如权利要求 1所述的单层四股不旋转钢丝绳， 其特征在于： 整体钢丝绳锻打时的压缩率为 15%~25%。
PCT/CN2011/077961 2010-08-06 2011-08-03 单层四股不旋转钢丝绳 WO2012016522A1 (zh)

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CN111648146A (zh) * 2020-05-11 2020-09-11 贵州钢绳股份有限公司 一种超大直径金属芯涂塑压实股钢丝绳

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CN201835165U (zh) * 2010-08-06 2011-05-18 青岛韩线钢铁有限公司 单层四股不旋转钢丝绳
CN103669053A (zh) * 2013-10-14 2014-03-26 无锡通用钢绳有限公司 一种不旋转钢丝绳
CN106012623B (zh) * 2016-07-29 2018-06-12 贵州钢绳股份有限公司 多层股钢丝绳制造方法
CN108071030A (zh) * 2016-11-18 2018-05-25 江苏神王集团钢缆有限公司 一种钢丝绳
WO2019040563A1 (en) * 2017-08-22 2019-02-28 Breeze-Eastern Llc AN AIRCRAFT-MOUNTED WINCH SYSTEM HAVING A MULTI-STRANDED METAL CABLE CABLE
CN115045129A (zh) * 2022-07-20 2022-09-13 济宁长龙钢丝绳有限公司 一种风机塔筒免爬器用抗扭钢丝绳及其制造方法

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