CN218888093U

CN218888093U - Wear-resisting MPP electric power pipe fitting

Info

Publication number: CN218888093U
Application number: CN202222786819.8U
Authority: CN
Inventors: 楚鑫; 陈贝贝; 曾献崇
Original assignee: Henan Zhongtai Pipe Technology Co ltd
Current assignee: Henan Zhongtai Pipe Technology Co ltd
Priority date: 2022-10-23
Filing date: 2022-10-23
Publication date: 2023-04-18
Anticipated expiration: 2032-10-23

Abstract

The utility model discloses a wear-resisting MPP electric power pipe fitting, which comprises a pipe body, body one end is provided with preceding go-between, the body other end is provided with the back go-between, the interval is provided with the through-hole on the back go-between, the body includes outer tube layer and interior tube layer, be provided with the epoxy layer in the outer tube layer, interior tube layer is by interior outer wearing layer, anti-corrosion coating and prevention of seepage permeable layer, the wearing layer, adhere by the high strength adhesive between anti-corrosion coating and the prevention of seepage permeable layer, be provided with high temperature resistant coating between anti-corrosion coating and the wearing layer, through being provided with the wearing layer, improve the wear resistance of this pipe fitting, prevent to cause wearing and tearing to the pipe fitting inner wall in the cable installation data send process, through being provided with anti-corrosion coating, bury underground for a long time, promote the corrosion resistance of this pipe fitting, improve its life, through being provided with high temperature resistant coating, prevent special situations such as cable high temperature work, and inside is fire-retardant coating, effectually prevent fires, protect electric power component.

Description

Wear-resisting MPP electric power pipe fitting

Technical Field

The utility model belongs to the technical field of the electric power pipe fitting, especially, relate to a wear-resisting MPP electric power pipe fitting.

Background

At present, the power cable pipe is generally a PVC pipe and a common MPP power pipe, wherein the PVC pipe has the following defects that 1 is not environment-friendly, has poor heat resistance and can only reach 93 ℃;2, the external pressure resistance is low, and the hot compression force of the ring segment is only more than 450N;3, the welding cannot be carried out, the non-excavation sealing cannot be used for non-excavation, and the sealing performance is poor.

Therefore, an MPP power pipe is mostly used at present, the MPP power pipe is also called an MPP cable pipe or an MPP power cable protection pipe, the modified polypropylene is adopted for manufacturing, in the prior art, the MPP modified polypropylene power cable protection pipe is adopted for embedding and replacing a traditional hollow cement pipe, but in the embedding process of a pipeline, because foreign matters such as soil stones always exist in the embedded calandria, the scratch phenomenon can exist in the outer protection in the traction and pipe penetrating process of the cable, the damage of the outer insulation of the cable is caused, the resistance of the cable is reduced, the outer protection of the cable can be broken under the serious condition, the outer protection of the cable can be filled with water and enter damp air, the steel is affected with damp and rusty corrosion and other conditions, the traditional wear-resistant MPP power pipe adopts an internal thread structure to realize wear resistance, but the structure can cause the blockage in the pipeline, the foreign matters such as small soil stones can be extruded on the inner side of the thread, and the wear-resistant MPP power pipe is provided based on the basis.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, the utility model provides a wear-resisting MPP electric power pipe fitting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resisting MPP electric power pipe fitting, includes the body, body one end is provided with preceding go-between, the body other end is provided with the back go-between, the interval is provided with the through-hole on the back go-between, the body includes outer pipe layer and interior pipe layer, the intraductal epoxy layer that is provided with of outer pipe, interior pipe layer is by interior outer wearing layer, anti-corrosion layer and prevention of seepage permeable layer, just by the bonding of high strength adhesive between wearing layer, anti-corrosion layer and the prevention of seepage permeable layer, be provided with high temperature resistant coating between anti-corrosion layer and the wearing layer.

Further, the wear-resistant layer is made of a wear-resistant rubber layer, and the thickness of the wear-resistant layer is 300-500 μm.

Further, the material of the anti-corrosion layer is a polytetrafluoroethylene layer.

Further, the high-temperature-resistant coating is a fireproof flame-retardant coating, the fireproof flame-retardant coating is a polyolefin fireproof insulating coating, and the thickness of the fireproof flame-retardant coating is 200-300 mu m.

Furthermore, the epoxy resin layer is filled in the outer pipe layer, and the epoxy resin layer is an insulating anti-static layer.

Furthermore, the anti-seepage layer is a solvent-free epoxy coal tar asphalt paint layer.

Compared with the prior art, the beneficial effects of the utility model are that: through being provided with the wearing layer in the body, improve the wear resistance of this pipe fitting, prevent to cause wearing and tearing to the pipe fitting inner wall in cable erection data send process, through being provided with anti-corrosion coating, bury underground for a long time, promote the corrosion resistance of this pipe fitting, improve its life, through being provided with high temperature resistant coating, prevent special situations such as cable high temperature work, and inside is fire prevention flame retardant coating, effectually prevent fires fire-retardant, protection electric power component, through being provided with the epoxy layer, carry out insulation protection to pipe fitting whole, guarantee subaerial safety, prevent static processing, through being provided with the barrier layer, prevent inside the infiltration of ground internal water or other corrosive liquids, cause the damage to electric power spare.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a schematic view of the cross-sectional structure of the tube body of the present invention.

Fig. 4 is a schematic side view of the present invention.

In the figure: the pipe comprises a pipe body 1, a front connecting ring 2, a rear connecting ring 3, an outer pipe layer 4, an inner pipe layer 5, an epoxy resin layer 6, a wear-resistant layer 7, an anti-corrosion layer 8, an anti-seepage layer 9 and a high-temperature-resistant layer 10.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to the accompanying drawings 1-4, the wear-resistant MPP power pipe fitting comprises a pipe body 1, wherein a front connecting ring 2 is arranged at one end of the pipe body 1, a rear connecting ring 3 is arranged at the other end of the pipe body 1, through holes are formed in the rear connecting ring 3 at intervals, the pipe body 1 comprises an outer pipe layer 4 and an inner pipe layer 5, an epoxy resin layer 6 is arranged in the outer pipe layer 4, the inner pipe layer 5 comprises a wear-resistant layer 7, an anti-corrosion layer 8 and an anti-permeation layer 9 from inside to outside, the wear-resistant layer 7, the anti-corrosion layer 8 and the anti-permeation layer 9 are bonded through a high-strength adhesive, and a high-temperature-resistant coating 10 is arranged between the anti-corrosion layer 8 and the wear-resistant layer 7.

Further, the material of the wear-resistant layer 7 is a wear-resistant rubber layer, and the thickness of the wear-resistant layer 7 is 300-500 μm.

Further, the material of the anti-corrosion layer 8 is a polytetrafluoroethylene layer.

Further, the high-temperature-resistant coating 10 is a fireproof flame-retardant coating, the fireproof flame-retardant coating is a polyolefin fireproof insulating coating, and the thickness of the fireproof flame-retardant coating is 200-300 μm.

Further, the epoxy resin layer 6 is filled in the outer tube layer, and the epoxy resin layer is an insulating antistatic layer.

Further, the anti-seepage layer 9 is a solvent-free epoxy coal tar pitch paint layer.

When in use: place this MPP electric power pipe fitting in the cable department that needs use, through be provided with wearing layer 7 in the body, improve the wear resistance of this pipe fitting, prevent to cause wearing and tearing to the pipe fitting inner wall in cable installation data send process, through being provided with anti-corrosion coating 8, bury in the underground for a long time, promote the corrosion resisting property of this pipe fitting, improve its life, through being provided with high temperature resistant coating 10, prevent special cases such as cable high temperature work, and inside is fire prevention flame retardant coating, the effectual fire prevention that prevents fires is fire-retardant, protect the electric power component, through being provided with epoxy layer 6, carry out insulation protection to the pipe fitting whole, guarantee subaerial safety, prevent electrostatic treatment, through being provided with prevention osmosis membrane 9, prevent inside the infiltration of ground water or other corrosive liquids, cause the damage to the electric power piece.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, it will be obvious to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a wear-resisting MPP electric power pipe fitting, includes body (1), body (1) one end is provided with preceding go-between (2), body (1) other end is provided with back go-between (3), the interval is provided with through-hole, its characterized in that on back go-between (3): the pipe body (1) comprises an outer pipe layer (4) and an inner pipe layer (5), an epoxy resin layer (6) is arranged in the outer pipe layer (4), the inner pipe layer (5) comprises a wear-resistant layer (7), an anti-corrosion layer (8) and an anti-seepage layer (9) from inside to outside, the wear-resistant layer (7), the anti-corrosion layer (8) and the anti-seepage layer (9) are bonded through a high-strength adhesive, and a high-temperature-resistant coating (10) is arranged between the anti-corrosion layer (8) and the wear-resistant layer (7).

2. The wear-resistant MPP electric power pipe fitting of claim 1, characterized in that: the wear-resistant layer (7) is made of a wear-resistant rubber layer, and the thickness of the wear-resistant layer (7) is 300-500 mu m.

3. The wear-resistant MPP electric power pipe fitting of claim 1, characterized in that: the anti-corrosion layer (8) is made of a polytetrafluoroethylene layer.

4. The wear-resistant MPP power pipe fitting of claim 1, wherein: the high-temperature resistant coating (10) is a fireproof flame-retardant coating, the fireproof flame-retardant coating is polyolefin fireproof insulating paint, and the thickness of the fireproof flame-retardant coating is 200-300 mu m.

5. The wear-resistant MPP power pipe fitting of claim 1, wherein: the epoxy resin layer (6) is filled in the outer pipe layer, and the epoxy resin layer is an insulating anti-static layer.

6. The wear-resistant MPP electric power pipe fitting of claim 1, characterized in that: the anti-seepage layer (9) is a solvent-free epoxy coal asphalt paint layer.