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Reinforced rat-proof threaded steel tube bow-type drop cable

A technology of threaded steel pipes and leading optical cables, which is applied in the direction of light guides, optics, optical components, etc., can solve problems such as poor compression resistance, increased manpower and material costs, and inability to apply long-span laying conditions, so as to improve tensile and compressive properties , Improve the effect of anti-rat bite performance

Inactive Publication Date: 2021-08-03
宏安集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the commonly used butterfly-shaped lead-in optical cable has problems of poor tensile and compressive resistance when used, and cannot be applied to long-span laying conditions, which increases unnecessary manpower and material costs.

Method used

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  • Reinforced rat-proof threaded steel tube bow-type drop cable
  • Reinforced rat-proof threaded steel tube bow-type drop cable
  • Reinforced rat-proof threaded steel tube bow-type drop cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1, a reinforced rat-proof threaded steel pipe butterfly drop optical cable of the present invention includes a first outer sheath 1, an optical cable sub-unit 2, a glass fiber ribbon 3, a second outer sheath 5, and a second reinforcing member 6. and connector 7, the glass fiber ribbon 3 is sleeved on the outer wall of the optical cable sub-unit 2 by the tight sleeve process, the first outer sheath 1 is sleeved on the circumferential outer wall of the glass fiber ribbon 3 by the tight sleeve process, and the first outer sheath Two sets of first strength members 4 are arranged inside the sleeve 1 to improve the tensile performance of the optical cable. The unit 2 is axially symmetric, the second outer sheath 5 is sleeved on the circumferential outer wall of the second reinforcing member 6 through the tightening process, and the second outer sheath 5 is fixedly connected with the outer wall of the first outer sheath 1 through the connecting member 7. The axis of...

Embodiment 2

[0024] Embodiment 2, a reinforced rodent-proof threaded steel pipe butterfly drop optical cable, comprising a first outer sheath 1, an optical cable subunit 2, a glass fiber ribbon 3, a second outer sheath 5, a second reinforcing member 6 and a connector 7. The glass fiber ribbon 3 is sleeved on the outer wall of the optical cable sub-unit 2 through the tight sleeve process, and the first outer sheath 1 is sleeved on the peripheral outer wall of the glass fiber ribbon 3 through the tight sleeve process. The inside of the first outer sheath 1 Two sets of first strength members 4 are provided for improving the tensile performance of the optical cable, the axes of the two sets of first strength members 4 are parallel to the axis of the optical cable sub-unit 2, and the two sets of first strength members 4 are about the axis of the optical cable sub-unit 2. Symmetrical, the second outer sheath 5 is sleeved on the circumferential outer wall of the second reinforcing member 6 through...

Embodiment 3

[0025] Embodiment 3, a reinforced rat-proof threaded steel pipe butterfly drop optical cable, including a first outer sheath 1, an optical cable sub-unit 2, a glass fiber ribbon 3, a second outer sheath 5, a second reinforcing member 6 and a connector 7. The glass fiber ribbon 3 is sleeved on the outer wall of the optical cable sub-unit 2 through the tight sleeve process, and the first outer sheath 1 is sleeved on the peripheral outer wall of the glass fiber ribbon 3 through the tight sleeve process. The inside of the first outer sheath 1 Two sets of first strength members 4 are provided for improving the tensile performance of the optical cable, the axes of the two sets of first strength members 4 are parallel to the axis of the optical cable sub-unit 2, and the two sets of first strength members 4 are about the axis of the optical cable sub-unit 2. Symmetrical, the second outer sheath 5 is sleeved on the circumferential outer wall of the second reinforcing member 6 through th...

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Abstract

The invention belongs to the technical field of optical cables and relates to a reinforced rat-proof threaded steel tube bow-type drop cable. According to the reinforced rat-proof threaded steel tube bow-type drop cable,the tensile and compressive properties of the cable can be improved, and the cable can meet a long-span laying condition, and meanwhile, the rat-proof performance of the cable is improved. The reinforced rat-proof threaded steel tube bow-type drop cable comprises a first outer sheath, an optical cable sub-unit, a glass fiber band, a second outer sheath, a second reinforcing piece and a connecting piece; the glass fiber band sleeves the outer wall of an optical cable sub-unit through a tight sleeving process; the first outer sheath sleeves the circumferential outer wall of the glass fiber band through the tight sleeving process; the first outer sheath is internally provided with two groups of first reinforcing pieces used for improving the tensile performance of the optical cable; the axes of the two groups of first reinforcing pieces are parallel to the axis of the optical cable sub-unit; the two groups of first reinforcing pieces are symmetrical about the axis of the optical cable sub-unit; the second outer sheath sleeves the circumferential outer wall of the second reinforcing piece through the tight sleeving process; and the second outer sheath is fixedly connected with the outer wall of the first outer sheath through the connecting piece.

Description

technical field [0001] The invention relates to the technical field of optical cables, in particular to a reinforced rodent-proof threaded steel pipe butterfly-shaped lead-in optical cable. Background technique [0002] With the continuous deepening of China's FTTH network construction, the research and development of new optical cables is promoted to meet the market's requirements for convenient construction, flexible networking, line safety and convenient maintenance. [0003] At present, the commonly used butterfly drop optical cable has the problem of poor tensile and compressive resistance in use, and cannot be applied to long-span laying conditions, which increases unnecessary labor and material costs. SUMMARY OF THE INVENTION [0004] In order to solve the above-mentioned technical problems, the present invention provides a butterfly-shaped introduction of a reinforced rat-proof threaded steel pipe which is beneficial to improve the tensile and compressive performan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/44
CPCG02B6/4433G02B6/443G02B6/4436G02B6/4427G02B6/44384
Inventor 王杨陈卫东张桂林张洪雷丛晓红陈宁
Owner 宏安集团有限公司
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