一种高强度耐油耐磨物探光电复合缆

Abstract

本实用新型涉及电缆技术领域，具体涉及一种高强度耐油耐磨物探光电复合缆，包括设置在电缆中心的缆芯以及包覆在缆芯外的外护套，所述缆芯和外护套之间设有多个依次排列的抗拉层，每层所述抗拉层包括多根凯夫拉丝纤维，多根所述凯夫拉丝纤维环绕缆芯整体绞合，或者多根所述凯夫拉丝纤维环绕与之相邻的抗拉层整体绞合，其中相邻的两个所述抗拉层反向绞合，所述外护套是在位于最外层的抗拉层外挤包而成。所述物探光电复合缆，通过多层抗拉层的设具有高强度、高模量、耐磨性和高韧性的特性，可大幅增强了物探光电复合缆的整体抗拉伸能力，可有效抵御外界物体的刮擦、碰撞。

Claims

1. A high-strength, oil-resistant, and wear-resistant geophysical optical-electric composite cable, characterized in that: The cable includes a cable core located at the center of the cable and an outer sheath (10) covering the cable core. Between the cable core and the outer sheath (10), there are multiple tensile layers (9) arranged in sequence. Each tensile layer (9) includes multiple Kevlar fibers (91). The multiple Kevlar fibers (91) are twisted together around the cable core as a whole, or the multiple Kevlar fibers (91) are twisted together around the adjacent tensile layer (9) as a whole. The two adjacent tensile layers (9) are twisted in opposite directions. The outer sheath (10) is extruded from the outermost tensile layer (9).

2. The high strength oil resistant and abrasion resistant geophysical optical composite cable of claim 1, wherein: The cable core includes an inner core and a shielding layer (8) and an inner sheath (6) that sequentially cover the inner core. The shielding layer (8) is wound around the cable core by wrapping or longitudinal wrapping. The inner sheath (6) is extruded outside the shielding layer (8). Multiple tensile layers (9) are sequentially wrapped around the inner sheath (6).

3. The high strength oil resistant and abrasion resistant geophysical optical composite cable of claim 2, wherein: All gaps in the shielding layer (8) are filled with water-resistant grease (7).

4. The high strength oil resistant and abrasion resistant optical exploration photoelectric composite cable according to claim 2, characterized in that: The shielding layer (8) is a copper strip.

5. The high strength oil resistant and abrasion resistant optical exploration photoelectric composite cable according to claim 2, characterized in that: The inner core includes multiple high-power core wires (1) and multiple functional core wires. The multiple high-power core wires (1) are arranged in a ring array, and two adjacent high-power core wires (1) are attached to each other. The multiple functional core wires are located outside the high-power core wires (1) and fill the gaps between the high-power core wires (1). The multiple functional core wires are optical fibers (5) and multiple low-power core wires (2).

6. The high strength oil resistant and abrasion resistant optical exploration photoelectric composite cable according to claim 5, characterized in that: The optical fiber (5) includes a central optical cable (51) and a rigid sheath (52) and a water-blocking layer (53) that are sequentially wrapped around the central optical cable (51).

7. The high-strength, oil-resistant, and wear-resistant geophysical optical-electric composite cable according to claim 6, characterized in that: The rigid sheath (52) is made of argon-arc welded stainless steel.

8. The high strength oil resistant and abrasion resistant optical exploration composite cable according to claim 6, characterized in that: The water-blocking layer (53) is woven from water-blocking fibers.

9. The high strength oil resistant and abrasion resistant optical exploration composite cable of claim 5, wherein: Both the high-power core wire (1) and the low-power core wire (2) include a conductor (3) and an insulating layer (4) covering the conductor (3).

10. The high strength oil resistant and abrasion resistant optical exploration composite cable according to claim 9, characterized in that: The conductor (3) is made of multiple strands of oxygen-free copper wire or tin-plated copper wire twisted together.

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