CN218161735U - MPP power cable protection tube - Google Patents

Abstract

The utility model discloses a MPP power cable protection pipe relates to the cable protection pipe field, including outer tube and inner tube, the outer wall of outer tube is provided with the arch, bellied inner wall is provided with a plurality of strengthening ribs, the inside of outer tube sets up a plurality of elasticity strips, the inside of inner tube is provided with the stay tube, the inside of stay tube is provided with the metal level. The utility model discloses changing original individual layer protection tube structure into the structure of outer tube and inner tube combination, the surface of outer tube sets up a plurality of archs, strengthening rib reinforcing bellied structural strength through protruding inside, the arch has promoted the compressive strength of protection tube exterior structure, the inside of inner tube sets up the stay tube, through the inside metal level of stay tube, the compressive strength of inner tube interior structure has been promoted, the effectual whole compressive strength who strengthens the protection tube of inside and outside bearing structure, the inside of outer tube sets up the elasticity strip, can cushion the shaking force of outside through the elasticity strip, the effectual shaking force that has cushioned the external environment and produced.

Description

MPP power cable protection tube

Technical Field

The utility model relates to a cable protection pipe field specifically is a MPP power cable protection pipe.

Background

The MPP power cable protection pipe is widely applied to pipeline projects of municipal administration, telecommunication, electric power, coal gas, tap water, heating power and the like, and urban and rural non-excavation directional drilling power calandria projects, and the raw material takes PP powder (modified polypropylene) as a main master batch, so that the MPP power cable protection pipe has the advantages of excellent high temperature resistance and external pressure resistance, has better electrical insulation property, light weight, smoothness and small frictional resistance, and is suitable for long-term use.

Chinese patent publication No. CN208782395U discloses an MPP power cable protection tube, which includes an outer tube, the outer surface of which is provided with a corrugated convex structure, the inner cavity of the outer tube is provided with an integrated inner tube core in a plum blossom shape, the integrated inner tube core is divided into a plurality of accommodating cavities for accommodating electric cables by partition plates; be equipped with flame retardant coating and metal network layer in proper order between the tube core in outer body and the integral type, outer body downside is equipped with the hydrofuge hole, and multiple cable conductor and optical cable can be placed simultaneously to this MPP power cable protection pipe, and can prevent to concentrate the condition of discharging and ponding, guarantees cable normal use.

In the technology, the compressive strength of the pipe body is enhanced through the protrusions of the protection pipe, but when the protection pipe is buried underground, the pressure applied to the protection pipe is enhanced along with the impact force, the external impact force and the pressure are difficult to buffer by the protection pipe, the cable protection pipe is easy to crack, and the like, so that the cable is damaged, and the service life of the cable is shortened.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a MPP power cable protection tube to solve general protection tube compressive strength not very high technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a MPP power cable protection pipe, includes outer tube and inner tube, the outer wall of outer tube is provided with the arch, bellied inner wall is provided with a plurality of strengthening ribs, the inside of outer tube sets up a plurality of elasticity strips, the inside of inner tube is provided with the stay tube, the inside of stay tube is provided with the metal level.

Through adopting above-mentioned technical scheme, the effectual whole compressive strength who strengthens the protection tube of inside and outside bearing structure.

The utility model discloses further set up to, the outer wall of inner tube is provided with a plurality of location strips, the draw-in groove with location strip matched with has been seted up to the inner wall of outer tube.

By adopting the technical scheme, the clamping groove is matched with the positioning strip, so that the outer pipe and the inner pipe can be conveniently and fixedly installed.

The utility model discloses further set up to, the inside of inner tube is provided with a plurality of cable pipes, the outer wall and the cable pipe of stay tube contact.

Through adopting above-mentioned technical scheme, the stay tube is as the center support of cable pipe, and the protection tube can both be supported by the stay tube by the pressure that receives on the circumference.

The utility model discloses further set up to, be provided with the space between elasticity strip and the outer tube, the inside packing of space and metal level has glass fiber.

Through adopting above-mentioned technical scheme, glass fiber can promote the support intensity of structure to the packing in space.

The utility model discloses it further sets up to, be connected for dismantling between outer tube and the inner tube.

Through adopting above-mentioned technical scheme, integrated configuration has strengthened the structural strength of inner tube.

To sum up, the utility model discloses mainly have following beneficial effect: the utility model discloses changing original individual layer protection tube structure into the structure of outer tube and inner tube combination, the surface of outer tube sets up a plurality of archs, strengthening rib reinforcing bellied structural strength through protruding inside, the arch has promoted the compressive strength of protection tube exterior structure, the inside of inner tube sets up the stay tube, through the inside metal level of stay tube, the compressive strength of inner tube interior structure has been promoted, the effectual whole compressive strength who strengthens the protection tube of inside and outside bearing structure, the inside of outer tube sets up the elasticity strip, can cushion outside vibrations power through the elasticity strip, when effectual buffering the protection tube buries in the ground end, the vibrations power that the external environment produced.

Drawings

FIG. 1 is a schematic view of the structural connection of the present invention;

FIG. 2 is a cross-sectional view of the protrusion structure of the present invention;

FIG. 3 is a schematic view of the structural connection between the outer tube and the inner tube according to the present invention;

fig. 4 is a schematic view of the structural connection of the inner tubes of the present invention.

In the figure: 1. an outer tube; 2. a protrusion; 3. an inner tube; 4. reinforcing ribs; 5. an elastic strip; 6. a void; 7. a cable duct; 8. supporting a pipe; 9. a metal layer; 10. and a positioning strip.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

The utility model provides a MPP power cable protection tube, as shown in fig. 1-4, including outer tube 1 and inner tube 3, the outer wall of outer tube 1 is provided with arch 2, arch 2's inner wall is provided with a plurality of strengthening ribs 4, outer tube 1's inside sets up a plurality of elastic strip 5, inner tube 3's inside is provided with stay tube 8, stay tube 8's inside is provided with metal level 9, change original individual layer protection tube structure into the structure of outer tube 1 with inner tube 3 combination, outer tube 1's surface sets up a plurality of arch 2, strengthen the structural strength of arch 2 through the inside strengthening rib 4 of arch 2, arch 2 has promoted the compressive strength of protection tube exterior structure, inner tube 3's inside sets up stay tube 8, metal level 9 through stay tube 8 inside, the compressive strength of inner tube 3's interior structure has been promoted, metal level 9 has guaranteed the structural strength of stay tube 8, further promoted the compressive strength of stay tube 8, the effectual whole compressive strength that strengthens the protection tube of inside and outside bearing structure, outer tube 1's inside sets up elastic strip 5, can cushion outside vibrations power through elastic strip 5, effectual buffering when burying the protection tube in the ground, the vibrations power that the external environment produced.

Referring to fig. 4, the outer wall of the inner tube 3 is provided with a plurality of positioning strips 10, the inner wall of the outer tube 1 is provided with clamping grooves matched with the positioning strips 10, the positioning strips 10 can enhance the structural strength of the inner tube 3 to a certain extent, and the outer tube 1 and the inner tube 3 are conveniently mounted and fixed through the matching of the clamping grooves and the positioning strips 10.

Referring to fig. 3, a plurality of cable pipes 7 are arranged inside the inner pipe 3 along a pipe wall circular array, the outer wall of the supporting pipe 8 is in contact with the cable pipes 7, the cable pipes 7 are in a small-interval structure, the cable wires are placed on different cable wires to isolate the cable wires, the safety is higher, the supporting pipe 8 is used as a central support of the cable pipes 7, and the pressure applied to the circumference of the protection pipe can be supported by the supporting pipe 8.

Referring to fig. 3, a gap 6 is formed between the elastic strip 5 and the outer tube 1, and glass fibers are filled in the gap 6 and the metal layer 9, so that the glass fibers are not easy to burn, the corrosion resistance effect is good, the cable inside can be effectively protected, and the supporting strength of the structure can be improved by filling the gap 6 with the glass fibers.

Referring to fig. 3-4, the outer tube 1 and the inner tube 3 are detachably connected, and the combined structure enhances the structural strength of the inner tube 3.

The utility model discloses a theory of operation does: change original individual layer protective tube structure into the structure of outer tube 1 and 3 combinations of inner tube, the surface of outer tube 1 sets up a plurality of archs 2, 4 reinforcing ribs through 2 inside archs strengthen the structural strength of 2, arch 2 has promoted the compressive strength of protection tube exterior structure, the inside of inner tube 3 sets up stay tube 8, metal level 9 through 8 insides of stay tube, the compressive strength of 3 interior structures of inner tube has been promoted, the effectual whole compressive strength who has strengthened the protection tube of inside and outside bearing structure, the inside of outer tube 1 sets up elastic strip 5, can cushion the vibrations power to the outside through elastic strip 5, effectual buffering the protection tube when burying in the ground end, the vibrations power that external environment produced.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims (6)

1. The utility model provides a MPP power cable protection tube, includes outer tube (1) and inner tube (3), its characterized in that: the outer wall of outer tube (1) is provided with arch (2), the inner wall of arch (2) is provided with a plurality of strengthening ribs (4), the inside of outer tube (1) sets up a plurality of elastic strips (5), the inside of inner tube (3) is provided with stay tube (8), the inside of stay tube (8) is provided with metal level (9).

2. The MPP power cable protection tube of claim 1, wherein: the outer wall of the inner pipe (3) is provided with a plurality of positioning strips (10), and the inner wall of the outer pipe (1) is provided with clamping grooves matched with the positioning strips (10).

3. The MPP power cable protection tube of claim 1, wherein: the inside of inner tube (3) is provided with a plurality of cable pipes (7), the outer wall and the cable pipe (7) of stay tube (8) contact.

4. The MPP power cable protection tube of claim 1, wherein: a gap (6) is arranged between the elastic strip (5) and the outer tube (1).

5. The MPP power cable protection tube of claim 4, wherein: the gap (6) and the metal layer (9) are filled with glass fibers.

6. The MPP power cable protection tube of claim 1, wherein: the outer pipe (1) and the inner pipe (3) are detachably connected.

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