Power cable protection pipe with multi-layer structure

Abstract

The utility model discloses a power cable protection tube with a multilayer structure, which comprises a structure main body, the structure main body comprises an outer protection tube, an inner protection tube and a cable, the inner protection tube is sleeved outside the cable, and the outer protection tube is sleeved outside the inner protection tube; a braid layer is arranged outside the inner protective tube, a plurality of groups of buffer air bags are arranged outside the braid layer, a compression-resistant steel belt layer is arranged outside the buffer air bags, and the outer protective tube is arranged outside the compression-resistant steel belt layer; through the combined arrangement of the inner protection tube and the outer protection tube, a dual protection effect on the cable is achieved; through the arrangement of the braid layer, the braid layer is tightly wound outside the inner protection pipe, and the torsion-resistant and bending-resistant effects are achieved; through the arrangement of a plurality of groups of buffering air bags, the effect of all-directional buffering and pressure resistance is achieved; and through the arrangement of the compression-resistant steel belt layer, the compression-resistant steel belt layer is spirally and tightly wound outside the buffering air bag, and meanwhile, the compression-resistant and torsion-resistant effects are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable protection pipe technical field, concretely relates to a multi -layer structure's power cable protection pipe. BACKGROUND

[0002] Cable is directly exposed outside without any protection in the past laying process, causing cable to be damaged after suffering from sun exposure and rain for a long time, and further reducing the service life of the cable. Therefore, cable protection pipe is needed to protect the cable before laying to prolong the service life of the cable. Cable protection pipe refers to the metal protection pipe with certain mechanical strength laid on the outer layer of the cable to prevent the cable from being damaged.

[0003] However, the traditional cable protection pipe is a one-time injection molding pipe, and the structure is simple. When the pressure in the use process is too large, or when it is in the bent state for a long time, there is a risk of breaking of the cable protection pipe, and the internal cable will also be damaged, affecting the normal use of the cable. SUMMARY

[0004] The utility model discloses a multi -layer structure's power cable protection pipe can solve the above -mentioned technical problems.

[0005] The utility model discloses a multi -layer structure's power cable protection pipe, including a structure main part, the structure main part includes outer protection pipe, inner protection pipe and cable, the inner protection pipe is set up in the cable outside, the outer protection pipe is set up in the inner protection pipe outside;

[0006] The outer portion of the inner protection pipe is provided with a braided layer, the outer portion of the braided layer is provided with a plurality of buffer air bags, the outer portion of the buffer air bag is provided with a compression-resistant steel belt layer, and the outer protection pipe is arranged outside the compression-resistant steel belt layer.

[0007] Preferably, the outer protection pipe, the inner protection pipe and the cable are arranged in a concentric circle.

[0008] Preferably, the braided layer is a braided layer made of nylon material, and the braided layer is tightly connected to the outer portion of the inner protection pipe by being arranged in a cladding mode.

[0009] Preferably, a plurality of buffer air bags are evenly distributed on the outer portion of the braided layer.

[0010] Preferably, the compression-resistant steel belt layer is composed of a spiral steel belt, and the compression-resistant steel belt layer is tightly wound on the outer portion of the buffer air bag.

[0011] Preferably, the outer protection pipe is provided with a corrosion-resistant coating.

[0012] The utility model discloses a beneficial effect is:

[0013] 1. Through the combination setting of inner protection pipe and outer protection pipe, the double protection effect to cable is played;

[0014] 2. Through the setting of braided layer, the braided layer is closely wound in the outer portion of inner protection pipe, plays the effect of resisting torsion, resisting bending;

[0015] 3. Through the setting of multiple groups of buffer air bag, the all -round buffering pressure -resisting effect is played;

[0016] 4. Through the setting of compression -resistant steel band layer, the compression -resistant steel band layer is spiral closely wound in the outer portion of buffer air bag, plays the effect of resisting compression, resisting torsion simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the utility model multi -layer structure's electric power cable protection pipe;

[0018] Figure 2 It is cross -sectional view of the utility model multi -layer structure's electric power cable protection pipe;

[0019] Figure 3 It is one of inside structure schematic diagram of the utility model multi -layer structure's electric power cable protection pipe;

[0020] Figure 4 It is two of inside structure schematic diagram of the utility model multi -layer structure's electric power cable protection pipe. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor all belong to the range of the utility model protection.

[0022] As Figures 1-4 Indicated:

[0023] The embodiment is a multi-layer structure power cable protection pipe, which comprises a structure body, the structure body comprises an outer protection pipe 1, an inner protection pipe 5 and a cable 6, the inner protection pipe 5 is sleeved outside the cable 6, the outer protection pipe 1 is sleeved outside the inner protection pipe 5, and the combination of the outer protection pipe 1 and the inner protection pipe 5 plays a double protection role on the cable 6; the inner protection pipe 5 is externally provided with a braided layer 4, the braided layer 4 is externally provided with a plurality of buffer air bags 3, the buffer air bags 3 are externally provided with a pressure-resistant steel belt layer 2, and the outer protection pipe 1 is externally provided with the pressure-resistant steel belt layer 2; the braided layer 4 is tightly wound outside the inner protection pipe 5, plays a role of resisting torsion and bending, a plurality of the buffer air bags 3 play a role of omnidirectional buffer pressure resistance, and the pressure-resistant steel belt layer 2 plays a role of pressure resistance.

[0024] It should be noted that the outer protection pipe 1, the inner protection pipe 5 and the cable 6 are arranged in concentric circles, and the outer protection pipe 1 and the inner protection pipe 5 double-protect the cable 6.

[0025] It should be noted that the braided layer 4 is a braided layer made of nylon material, and the braided layer 4 is tightly connected to the outer surface of the inner protection pipe 5 by being cladded on the outer surface of the inner protection pipe 5; the braided layer 4 is made of nylon material and is woven by interlacing the warp and weft of the textile thread, and the braided layer 4 plays a role of resisting torsion and bending.

[0026] It should be noted that a plurality of the buffer air bags 3 are evenly distributed in the circumferential direction of the braided layer 4, a plurality of the buffer air bags 3 are located between the braided layer 4 and the pressure-resistant steel belt layer 2, and the buffer air bags 3 are in extrusion contact with the braided layer 4 and the pressure-resistant steel belt layer 2 on both sides.

[0027] It should be noted that the pressure-resistant steel belt layer 2 is composed of a spiral steel belt, and the pressure-resistant steel belt layer 2 is tightly wound outside the buffer air bags 3, and the pressure-resistant steel belt layer 2 effectively improves the pressure resistance of the cable 6.

[0028] It should be noted that the outer protection pipe 1 is provided with a corrosion-resistant coating on the surface, and the corrosion-resistant coating is cladded on the surface of the outer protection pipe 1 to play a role of corrosion resistance.

[0029] Working principle:

[0030] The cable 6 is arranged inside the inner protection pipe 5, the outer protection pipe 1 is sleeved outside the inner protection pipe 5, the combination of the inner protection pipe 5 and the outer protection pipe 1 is arranged to the cable 6, which plays a double protection role; through the arrangement of the braided layer 4, the braided layer 4 is tightly wound outside the inner protection pipe 5, which plays a role of resisting torsion and bending; through the arrangement of the multiple groups of buffer air bags 3, a role of all-round buffer compression is played; through the arrangement of the compression-resistant steel belt layer 2, the compression-resistant steel belt layer 2 is tightly wound outside the buffer air bag 3 in a spiral manner, which plays a role of resisting compression and torsion.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than that of the above description, and it is intended to cover all changes and modifications of the application equivalent to those which are suggested by the meaning and scope of claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0032] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A multi-layered electric power cable protection tube, characterized in that, The utility model relates to a kind of cable structures, including a structure main body, the structure main body includes outer protective tube (1), inner protective tube (5) and cable (6), the inner protective tube (5) is set outside the cable (6), the outer protective tube (1) is set outside the inner protective tube (5); The outer protective tube (1) is set outside the anti-pressure steel band layer (2).

2. A multi-layered power cable protection tube according to claim 1, characterized in that: The outer protective tube (1), the inner protective tube (5) and the cable (6) are arranged in concentric circles.

3. A multi-layered power cable protection tube according to claim 1, characterized in that: The braided layer (4) is a braided layer of nylon material, and the braided layer (4) is tightly connected to the outer surface of the inner protective tube (5) by being wrapped around the outer surface of the inner protective tube (5).

4. A multi-layered power cable protection tube according to claim 1, characterized in that: A plurality of sets of the buffer air bags (3) are evenly distributed on the outer surface of the braided layer (4).

5. A multi-layered power cable protection tube according to claim 1, characterized in that: The anti-pressure steel band layer (2) is composed of spiral steel bands, and the anti-pressure steel band layer (2) is tightly wound around the outer surface of the buffer air bags (3).

6. A multi-layered power cable protection tube according to claim 1, characterized in that: The outer protective tube (1) has a corrosion-resistant coating on the surface.

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