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Lightweight rigid self-lubricating composite rope and preparation method thereof

A composite rope and self-lubricating technology, applied in the rope field, can solve the problems of chemical fiber ropes such as poor wear resistance and scratch resistance, easy to cause accidents, fiber rope breakage, etc., to reduce operating strength and industrial energy consumption, and reduce friction The effect of low power and low cost

Pending Publication Date: 2019-04-16
SHANDONG ROPE TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the softness and lateral deformation of chemical fiber ropes, problems such as extrusion deformation and rope displacement during winch winding and overlapping use are likely to cause accidents; at the same time, chemical fiber ropes have poor wear resistance and scratch resistance. , once cut by external force during use, it is easy to cause the fiber rope to break and cause an accident

Method used

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  • Lightweight rigid self-lubricating composite rope and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0032] To make a lightweight rigid self-lubricating composite rope with a breaking strength of 180kN and a diameter of 24mm, it can be realized through the following steps:

[0033] 1) Rope design: the diameter of the rope is 24mm, the plastic coating layer is 2mm, the diameter of the rope before plastic coating is 20mm, the aromatic braided sheath is 2mm, and the diameter of the rope core is 16mm. Calculated according to the HMPE yarn accounting for 80%, the diameter sum of the yarn is 12.8mm, and the number of yarns is designed to be 30;

[0034] 2) Preparation of rope yarn: add 20-in-1500D ultra-high molecular weight polyethylene fiber multifilament with 15 twists / m, half of it is forward and half is reverse;

[0035] 3) Preparation of rope core: thread 30 rope yarns from the inner layer to the outer layer on the twisting rope machine according to the structure of 3+6+9+12, the first layer of 3 rope yarns rotates in the forward direction, and the second layer The 6 rope ya...

Embodiment 2

[0040] To make a lightweight rigid self-lubricating composite rope with a breaking strength of 198kN and a diameter of 20mm, it can be realized through the following steps:

[0041] 1) Rope design: the diameter of the rope is 20mm, the plastic coating layer is 1mm, the diameter of the rope before plastic coating is 18mm, the aromatic braided sheath is 1mm, and the diameter of the rope core is 16mm. Calculated according to the HMPE yarn accounting for 70%, the diameter of the yarn is 13.3mm, and the number of yarns is designed to be 36;

[0042] 2) Preparation of rope yarn: add 10 twists / m to 20-in-1500D ultra-high molecular weight fiber multifilament;

[0043]3) Prepare the rope core: thread 36 rope yarns on the twisting machine from the inner layer to the outer layer according to the structure of 3+6+12+15, the first layer of 3 rope yarns rotates in the forward direction, and the second layer The 6 ropes rotate in the reverse direction, the 12 ropes in the third layer rotate...

Embodiment 3

[0048] To make a lightweight rigid self-lubricating composite rope with a breaking strength of 33kN and a diameter of 10mm, it can be achieved through the following steps:

[0049] 1) Rope design: the diameter of the rope is 10mm, the plastic coating layer is 1mm, the diameter of the rope before plastic coating is 8mm, the aromatic braided sheath is 1mm, and the diameter of the rope core is 6mm. Calculated based on 90% of HMPE yarns, the diameter sum of the yarns is 5.8mm, and the number of yarns is designed to be 11;

[0050] 2) Preparation of rope yarn: add 10-in-1500D ultra-high molecular weight fiber multifilament with 20 twists / m;

[0051] 3) Preparation of rope core: thread 11 rope yarns from the inner layer to the outer layer on the twisting rope machine according to the structure of 3+8, the first layer of 3 rope yarns rotates in the forward direction, and the second layer of 8 rope yarns According to reverse rotation, the rope output speed is 0.2m / min, the rotating s...

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Abstract

The invention discloses a lightweight rigid self-lubricating composite rope and a preparation method thereof, and relates to the field of ropes. The lightweight rigid self-lubricating composite rope comprises a rope core (1), a wrapping layer (2) and a plastic-coated layer (3), wherein the rope core (1) is of a multilayer helical structure with a circular cross section formed by spirally interweaving ultrahigh-molecular-weight polyethylene fiber rope yarn, layers are spirally and reversely arranged, the outer portion of parallel rope yarn of each layer is provided with a composite finishing coating, the ingredients in a composite finishing liquid on the cross section of the rope core (1) account for 10-30%, the outer portion of the rope core (1) is provided with the wrapping layer (2), andthe outer portion of the wrapping layer (2) is provided with the plastic-coated layer (3). The lightweight rigid self-lubricating composite rope and the preparation method thereof have the advantagesthat the cross section of the rope is circular, the strength-to-weight ratio is high, and the rope can completely replace a steel wire rope in the fields of huge weight hoisting and well drilling exploration.

Description

technical field [0001] The invention relates to the field of ropes, in particular to a lightweight rigid self-lubricating composite rope and a preparation method thereof. Background technique [0002] At present, the use of steel wire ropes covers various fields - suspension bridges, lifting, etc. The characteristics of steel wire ropes are also very obvious. In addition to basic strength, steel wire ropes have considerable hardness, high temperature resistance, and certain corrosion resistance. They are conductors. However, compared with chemical fiber ropes, the disadvantages of steel wire ropes are that the material density is high, the quality is high, and it is not easy to operate. However, chemical fiber ropes have the advantages of softness, lightness, high strength, and easy knotting. Therefore, in many application fields, chemical fiber ropes have gradually replaced steel wire ropes. [0003] Although in some fields, chemical fiber ropes have completely replaced s...

Claims

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Application Information

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IPC IPC(8): D07B1/02D07B1/16
CPCD07B1/025D07B1/162D07B2201/209D07B2201/2087D07B2201/2088D07B2201/2065D07B2205/2064D07B2205/2042D07B2205/2032D07B2201/108D07B2801/10D07B2801/22
Inventor 宋炳涛沈明姜润喜邱延平李甜石士超
Owner SHANDONG ROPE TECH CO LTD
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