CN214506425U

CN214506425U - Buried modified polypropylene (MPP) plastic single-wall corrugated cable conduit

Info

Publication number: CN214506425U
Application number: CN202120936012.0U
Authority: CN
Inventors: 冯占果
Original assignee: Jiangxi Taiheng Electric Co ltd
Current assignee: Jiangxi Taiheng Electric Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-10-26
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a bury ground with modified polypropylene (MPP) plastics single jade corrugated cable pipe, concretely relates to cable pipe technical field, including the bellows main part, the inside bending mechanism that prevents that is equipped with of bellows main part, it includes a plurality of back up ring to prevent bending mechanism, back up ring is established inside the bellows main part, back up ring outer end and bellows main part inner wall fixed connection, back up ring both sides are fixed respectively and are equipped with two high-pressure hoses. The utility model discloses a mechanism of bending is prevented in the setting, aerifys the inside high-pressure hose of bellows main part of this section through the branch pipe, makes its inflation after stretch, and then makes the bellows main part in the high-pressure hose outside also stretch, lays straight bellows main part between two, can avoid making the bellows main part of laying crooked because of the human factor of external factors such as relief height fluctuation or construction, causes the waste of material, has increased the cost of laying.

Description

Buried modified polypropylene (MPP) plastic single-wall corrugated cable conduit

Technical Field

The utility model relates to a cable guide technical field, the more specifically modified polypropylene (MPP) plastics single jade corrugated cable guide that says so buries ground.

Background

The polypropylene is a white waxy material, the outer pipe is transparent and light, the polypropylene is prepared by propylene through addition polymerization, the polypropylene is a thermoplastic synthetic resin with excellent performance, the polypropylene has high-strength mechanical performance and good high-wear-resistant processing performance, and the polypropylene is widely applied to the production of conveying pipelines and chemical containers due to the excellent characteristics and plays an important role in the fields of pipeline engineering of municipal administration, telecommunication, electric power and the like.

The MPP is the English abbreviation of power cable protection tubular product, mainly used electric power field, lay usually with special districts such as railway, river course, building, place power cable in it, play the guard action to it, and current MPP tubular product is made by polypropylene material, has characteristics such as resistance to compression, tensile and high temperature resistant, the appearance can be the corrugate, be convenient for transport, but the characteristic that the corrugate pipe is flexible in the course of laying will make laying length increase, lead to unnecessary waste, increase laying cost.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned deficiencies of the prior art, embodiments of the present invention provide a buried modified polypropylene (MPP) plastic single-wall corrugated cable conduit to solve the above-mentioned problems occurring in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a buried modified polypropylene (MPP) plastic single-wall corrugated cable guide pipe comprises a corrugated pipe main body, wherein an anti-bending mechanism is arranged inside the corrugated pipe main body;

the anti-bending mechanism comprises a plurality of reinforcing rings, the reinforcing rings are arranged inside the corrugated pipe main body, the outer ends of the reinforcing rings are fixedly connected with the inner wall of the corrugated pipe main body, two high-pressure hoses are fixedly arranged on two sides of each reinforcing ring respectively, and the reinforcing rings are connected end to end through the high-pressure hoses.

Further, a branch pipe is fixedly arranged at the outer end of the high-pressure hose, one end of the branch pipe extends to the outer end of the corrugated pipe main body, a one-way valve is fixedly arranged on the branch pipe, and a quick connector is fixedly arranged at one end of the branch pipe.

Furthermore, the reinforcing ring is provided with a triangular plate on the inner side, and the outer end of the triangular plate is fixedly connected with the inner side of the reinforcing ring.

Furthermore, a plurality of inner pipes are arranged in the corrugated pipe main body, and the inner pipes penetrate through the reinforcing rings through the inner sides of the triangular plates and gaps between the reinforcing rings and the triangular plates.

Further, the inner tube includes the sponge, the fixed fire-retardant fiber cloth that is equipped with of sponge outer end, the fixed activated carbon cloth that is equipped with on the sponge inner wall.

Further, the corrugated pipe main body comprises a polypropylene pipe, a tensile rubber pad is fixedly arranged at the outer end of the polypropylene pipe, and heat insulation paint is sprayed on the outer end of the tensile rubber pad.

Furthermore, waterproof paint is sprayed at the outer end of the heat insulation paint, and antioxidant paint is sprayed at the outer end of the waterproof paint.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a mechanism of buckling is prevented in the setting, be fixed with a plurality of reinforcement rings in the inside of bellows main part, consolidate the bellows main part and support, and utilize high-pressure hose interconnect between the reinforcement ring, in laying the in-process, linear distance according to two places, select the bellows main part of corresponding length, inflate the inside high-pressure hose of bellows main part of this section through the branch pipe, make its inflation back stretch, and then make the bellows main part in the high-pressure hose outside also stretch, lay straight bellows main part between two, can avoid making the bellows main part of laying crooked because of the human factor of external factors such as relief or construction, cause the waste of material, the cost of laying has been increased.

2. The utility model discloses an inside a plurality of inner tubes that are provided with of bellows main part, the main part of inner tube is the sponge, the texture of sponge is soft, can protect the cable, reduce the friction between cable and the bellows main part, and play the heat retaining effect of winter protection in the lower underground of temperature, the outer end of sponge is fixed with flame retardant fiber cloth, flame retardant fiber cloth can play the purpose of fire prevention, avoid the inner tube burning and damage the cable, flame retardant fiber cloth inboard is fixed with activated carbon cloth, activated carbon cloth and cable direct contact, a moisture for absorbing inner tube inside, avoid the erosion of moisture.

3. The utility model discloses a spraying has thermal-insulated coating, water proof coating, anti-oxidant coating in proper order in tensile rubber pad outer end, and thermal-insulated coating is used for isolated heat, reduces the influence of outside temperature variation to the cable, and water proof coating can avoid the erosion of moisture to the bellows main part, and anti-oxidant coating is used for delaying the oxidation of bellows main part, improves its life.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a three-dimensional semi-sectional view of the present invention.

Fig. 3 is a perspective view of the reinforcing ring and the high-pressure hose of the present invention.

Fig. 4 is a three-dimensional half-sectional view of the bellows main body of the present invention.

Fig. 5 is a three-dimensional half-sectional view of the inner tube of the present invention.

The reference signs are: 1. a bellows body; 2. a reinforcing ring; 3. an inner tube; 4. a set square; 5. a high pressure hose; 6. a sponge; 7. flame-retardant fiber cloth; 8. activated carbon cloth; 9. a polypropylene tube; 10. a tensile rubber pad; 11. heat-insulating coating; 12. an antioxidant coating; 13. a waterproof coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached figures 1-3 of the specification, the plastic single-wall corrugated cable conduit for the buried modified polypropylene (MPP) comprises a corrugated pipe main body 1, wherein an anti-bending mechanism is arranged inside the corrugated pipe main body 1;

prevent mechanism of buckling includes a plurality of reinforcement rings 2, reinforcement ring 2 is established inside bellows

main part

1, 2 outer ends of reinforcement ring and 1 inner wall fixed connection of bellows main part, 2 both sides of reinforcement ring are fixed respectively and are equipped with two high-pressure hose 5, through 5 end to end of high-pressure hose between the reinforcement ring 2.

Furthermore, a branch pipe is fixedly arranged at the outer end of the high-pressure hose 5, one end of the branch pipe extends to the outer end of the corrugated pipe main body 1, a one-way valve is fixedly arranged on the branch pipe, and a quick connector is fixedly arranged at one end of the branch pipe, so that air is filled into the high-pressure hose 5.

Further, 2 inboards of reinforcement ring are equipped with set-

square

4, 4 outer ends of set-square and 2 inboard fixed connection of reinforcement ring, set-square 4 is triangle-shaped, can make reinforcement ring 2 more stable.

The implementation scenario is specifically as follows: when the corrugated pipe main body 1 is laid, because the inner wall of the corrugated pipe main body 1 is fixedly provided with the plurality of reinforcing rings 2, the reinforcing rings 2 can support the corrugated pipe main body 1 with smaller thickness and softer texture, so that the corrugated pipe main body 1 is firmer, in the laying process, if no large-scale obstacle exists between one part and the other part, a section of the corrugated pipe main body 1 with corresponding length can be selected according to the linear distance between the two parts, in the section, the interior of the branch pipe is inflated through the quick connector connected with one end of the branch pipe, gas can enter the high-pressure hose 5 through the branch pipe, after the high-pressure hose 5 is gradually expanded due to the inflation of the gas, the gas pressure in the high-pressure hose 5 can straighten the high-pressure hose 5, the reinforcing rings 2 at the two ends of the high-pressure hose 5 are also positioned on a straight line, and further, the corrugated pipe main body 1 at the outer side is in a straight state under the action of the high-pressure hose 5 and the reinforcing rings 2, because the straight line between two points is shortest, the straight corrugated pipe body 1 is laid between two points, the problem that the laid corrugated pipe body 1 is bent due to external factors such as terrain height and fluctuation or the like or human factors of construction to cause material waste can be avoided, the laying cost is increased, through the arrangement of the bending prevention mechanism, a plurality of reinforcing rings 2 are fixed in the corrugated pipe body 1 to reinforce and support the corrugated pipe body 1, the reinforcing rings 2 are mutually connected by utilizing high-pressure hoses 5, in the laying process, the corrugated pipe body 1 with the corresponding length is selected according to the straight line distance between the two points, the high-pressure hoses 5 in the section of the corrugated pipe body 1 are inflated through branch pipes, the corrugated pipe body 1 is expanded and straightened, the corrugated pipe body 1 outside the high-pressure hoses 5 is further straightened, the straight corrugated pipe body 1 is laid between the two points, and the problem that the laid corrugated pipe body 1 is caused by the external factors such as terrain height and fluctuation or the human factors of construction can be avoided Bending causes waste of materials and increases the laying cost, and the embodiment particularly solves the problem that the laying cost is increased due to unnecessary waste caused by the increase of the laying length due to the flexible characteristic of the corrugated conduit in the prior art.

Referring to the attached fig. 1-5 of the specification, the modified polypropylene (MPP) plastic single-wall corrugated cable conduit for underground use of the embodiment is characterized in that a plurality of inner pipes 3 are arranged inside a corrugated pipe body 1, and the inner pipes 3 penetrate through a reinforcing ring 2 through the inner side of a triangular plate 4 and a gap between the reinforcing ring 2 and the triangular plate 4.

Further, inner tube 3 includes sponge 6, the fixed fire-retardant fibre cloth 7 that is equipped with in 6 outer ends of sponge, the fixed activated carbon cloth 8 that is equipped with on the 6 inner walls of sponge, activated carbon cloth 8 and cable direct contact for absorb the inside moisture of inner tube 3, avoid the erosion of moisture.

The implementation scenario is specifically as follows: be provided with a plurality of inner tubes 3 in bellows main part 1 inside, the outer end at the cable is directly wrapped up in to inner tube 3, and alternate in the inboard of reinforcing ring 2 and set-square 4, utilize reinforcing ring 2 and set-square 4 protection cable, the main part of inner tube 3 is sponge 6 simultaneously, the texture of sponge 6 is soft, can protect the cable, reduce the friction between cable and the bellows main part 1, and play cold-proof heat retaining effect in the lower underground of temperature, the outer end of sponge 6 is fixed with flame retardant fiber cloth 7, flame retardant fiber cloth 7 can play the purpose of fire prevention, avoid the burning of inner tube 3 and damage the cable, 7 inboard of flame retardant fiber cloth are fixed with activated carbon cloth 8, activated carbon cloth 8 and cable direct contact, be used for absorbing the inside moisture of inner tube 3, avoid the erosion of moisture.

Referring to the attached drawings 1-5 in the specification, the modified polypropylene (MPP) plastic single-wall corrugated cable conduit for the underground construction of the embodiment comprises a corrugated pipe body 1 and a corrugated pipe 9, wherein a tensile rubber pad 10 is fixedly arranged at the outer end of the polypropylene pipe 9, and a heat insulation coating 11 is sprayed at the outer end of the tensile rubber pad 10.

Further, 11 outer ends of thermal insulation coating are sprayed with

waterproof coating

13, 13 outer ends of waterproof coating are sprayed with antioxidant coating 12, waterproof coating 13 can avoid erosion of moisture to corrugated pipe main body 1, and antioxidant coating 12 is used for delaying oxidation of corrugated pipe main body 1 and prolonging service life of corrugated pipe main body.

The implementation scenario is specifically as follows: bellows main part 1's main part is polypropylene pipe 9, polypropylene pipe 9's quality is lighter, high strength, protection cable that can be abundant, the fixed tensile rubber pad 10 in polypropylene pipe 9 outer end, can improve polypropylene pipe 9's tensile ability, tensile rubber pad 10 outer end has thermal-insulated coating 11 in the spraying in proper order, water proof coating 13, anti-oxidation coating 12, thermal-insulated coating 11 is used for isolated heat, reduce the influence of outside temperature variation to the cable, water proof coating 13 can avoid the erosion of moisture to bellows main part 1, anti-oxidation coating 12 is used for delaying the oxidation of bellows main part 1, improve its life.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bury ground with modified polypropylene (MPP) plastics single-walled ripple cable guide, includes bellows main part (1), its characterized in that: an anti-bending mechanism is arranged inside the corrugated pipe main body (1);

prevent mechanism of buckling includes a plurality of reinforcement rings (2), reinforcement ring (2) are established inside bellows main part (1), reinforcement ring (2) outer end and bellows main part (1) inner wall fixed connection, reinforcement ring (2) both sides are fixed respectively and are equipped with two high-pressure hose (5), through high-pressure hose (5) end to end between reinforcement ring (2).

2. A buried modified polypropylene (MPP) plastic single-wall corrugated cable conduit as set forth in claim 1, wherein: the outer end of the high-pressure hose (5) is fixedly provided with a branch pipe, one end of the branch pipe extends to the outer end of the corrugated pipe main body (1), the branch pipe is fixedly provided with a one-way valve, and one end of the branch pipe is fixedly provided with a quick connector.

3. A buried modified polypropylene (MPP) plastic single-wall corrugated cable conduit as set forth in claim 1, wherein: the reinforcing ring (2) inboard is equipped with set-square (4), set-square (4) outer end and reinforcing ring (2) inboard fixed connection.

4. A buried modified polypropylene (MPP) plastic single-wall corrugated cable conduit as set forth in claim 3, wherein: the corrugated pipe is characterized in that a plurality of inner pipes (3) are arranged inside the corrugated pipe main body (1), and the inner pipes (3) penetrate through the reinforcing rings (2) through the inner sides of the triangular plates (4) and gaps between the reinforcing rings (2) and the triangular plates (4).

5. A buried modified polypropylene (MPP) plastic single-wall corrugated cable conduit as set forth in claim 4, wherein: the inner tube (3) comprises a sponge (6), flame-retardant fiber cloth (7) is fixedly arranged at the outer end of the sponge (6), and activated carbon cloth (8) is fixedly arranged on the inner wall of the sponge (6).

6. A buried modified polypropylene (MPP) plastic single-wall corrugated cable conduit as set forth in claim 1, wherein: bellows main part (1) is including polypropylene pipe (9), polypropylene pipe (9) outer end is fixed and is equipped with tensile rubber pad (10), thermal-insulated coating (11) have been sprayed to tensile rubber pad (10) outer end.

7. A buried modified polypropylene (MPP) plastic single-wall corrugated cable conduit as set forth in claim 6, wherein: waterproof paint (13) is sprayed on the outer end of the heat insulation paint (11), and antioxidant paint (12) is sprayed on the outer end of the waterproof paint (13).