一种复合增强型MPP电缆导管

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The multi-layered composite structure of inner carbon fiber reinforcement, outer polyurethane coating and stainless steel sheath solves the problems of mechanical strength and weather resistance of MPP cable conduits in harsh environments, achieving higher safety and service life.

CN224520627UActive Publication Date: 2026-07-17SUZHOU LINGYU PLASTIC PIPE TECH CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: SUZHOU LINGYU PLASTIC PIPE TECH CO LTD
Filing Date: 2025-06-23
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

Traditional MPP cable conduits lack mechanical strength, have poor weather resistance, and are prone to aging in deep burial, heavy-load, or complex geological environments, affecting cable safety and service life.

Method used

It adopts a multi-layer composite structure with an inner carbon fiber reinforcing strip, an outer polyurethane coating, and an outer stainless steel sheath, combined with a bolt connection design to enhance mechanical strength and weather resistance.

Benefits of technology

It significantly improves the safety and stability of MPP cable conduits in harsh environments, extends their service life, and facilitates installation and maintenance.

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Abstract

本实用新型公开了一种复合增强型MPP电缆导管，包括MPP电缆导管、内防护层和外防护层，所述内防护层粘黏设置在所述MPP电缆导管的内部，所述外防护层设置在所述MPP电缆导管的外部，且所述内防护层为碳纤维增强带，所述外防护层为聚氨酯涂层。本实用新型采用多层复合结构，内碳纤维增强加中MPP基体加外聚氨酯防护加外包覆不锈钢护套，和可靠的螺栓连接设计，从根本上解决了传统MPP电缆导管机械强度不足、耐候性差、易老化损坏的核心问题，显著提升了其在恶劣环境如深埋、重载、复杂地质和户外暴露下的安全性、稳定性和使用寿命，同时兼顾了安装维护的便利性，使得MPP电缆导管使用方便使用寿命长。

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Claims

1. A composite reinforced MPP cable conduit, comprising an MPP cable conduit (4), an inner protective layer (8), and an outer protective layer (9), characterized in that: The inner protective layer (8) is adhered to the inside of the MPP cable conduit (4), and the outer protective layer (9) is disposed on the outside of the MPP cable conduit (4). The inner protective layer (8) is a carbon fiber reinforced strip, and the outer protective layer (9) is a polyurethane coating.

2. A composite reinforced MPP cable conduit according to claim 1, characterized in that: The outer protective layer (9) is provided with a first protective sleeve (1) and a second protective sleeve (5) on its outside, and the first protective sleeve (1) and the second protective sleeve (5) are symmetrically distributed with rubber, and the inner sides of the first protective sleeve (1) and the second protective sleeve (5) are adhered to the outer protective layer (9).

3. A composite reinforced MPP cable conduit according to claim 2, characterized in that: The first protective sleeve (1) and the second protective sleeve (5) are uniformly provided with first threaded holes (6), and the MPP cable conduit (4) and the outer protective layer (9) are uniformly provided with second threaded holes (7), and the first threaded holes (6) and the second threaded holes (7) are of the same specification.

4. A composite reinforced MPP conduit according to claim 3, characterized in that: The first threaded hole (6) and the second threaded hole (7) are internally threaded with fixing bolts (2).

5. A composite reinforced MPP conduit according to claim 4, characterised in that: The first protective sleeve (1) and the second protective sleeve (5) are evenly provided with mounting grooves (3), and the mounting grooves (3) are located at the upper end of the first threaded hole (6), and the outer end of the fixing bolt (2) is located inside the mounting grooves (3).

6. A composite reinforced MPP cable conduit according to claim 5, characterized in that: The first protective sleeve (1) and the second protective sleeve (5) are made of stainless steel.