CN215041042U

CN215041042U - Buried pressure-resistant power pipeline

Info

Publication number: CN215041042U
Application number: CN202121565059.7U
Authority: CN
Inventors: 高文东
Original assignee: Hebei Plastic Pipe Manufacturing Co ltd
Current assignee: Hebei Plastic Pipe Manufacturing Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-07
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a withstand voltage power pipeline of underground, including the inner tube, the fixed surface of inner tube is connected with first spring, the one end difference fixedly connected with of inner tube and protecting crust down are kept away from to first spring, go up the equal fixedly connected with fixed block in both sides of protecting crust, the equal fixedly connected with in both sides of protecting crust and the locating piece that the fixed block cooperation was used down, the bottom fixedly connected with second spring of fixed block. The utility model discloses a cooperation that sets up first spring, fixed block, locating piece, second spring, fire-retardant layer, enhancement layer, waterproof layer, compressive layer, resistant layer and corrosion resistant layer is used, possesses the advantage that the crushing resistance is good, and it is poor to have solved current buried electric power pipeline withstand voltage effect, and electric power pipeline generally buries the pressure of receiving underground great in the use, if when receiving stronger extrusion, the crack can appear, makes the inside electric wire of pipeline expose impaired problem.

Description

Buried pressure-resistant power pipeline

Technical Field

The utility model relates to an electric power pipeline technical field specifically is a withstand voltage electric power pipeline of buried.

Background

The power calandria is one kind and is the requirement for satisfying transformer substation's cable business turn over line passageway and overhead line and go into the ground to for the supporting power channel that provides of the parcel along the line, power calandria is also known as cable duct, power cable pipe, cement cable pipe, power calandria, power calandria etc. current buried formula power pipeline is withstand voltage effect poor, and power pipeline generally buries the pressure of receiving in the underground great in the use, if receive stronger extrusion when, the crack can appear, makes the inside electric wire of pipeline expose impaired.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a withstand voltage power pipeline of underground possesses the advantage that the crushing resistance is good, and it is poor to have solved the withstand voltage effect of current underground power pipeline, and power pipeline generally buries the pressure of receiving in the underground great in the use, if when receiving stronger extrusion, the crack can appear, makes the inside electric wire of pipeline expose impaired problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a withstand voltage power pipeline of underground, includes the inner tube, the first spring of fixed surface of inner tube is connected with, the one end difference fixedly connected with upper protective housing and lower protective housing of inner tube are kept away from to first spring, the equal fixedly connected with fixed block in both sides of upper protective housing, the equal fixedly connected with in both sides of lower protective housing is with the locating piece that the fixed block cooperation was used, the bottom fixedly connected with second spring of fixed block, the bottom and the locating piece fixed connection of second spring, the inner tube includes fire-retardant layer, the fixed surface on fire-retardant layer is connected with the enhancement layer, the fixed surface on enhancement layer is connected with the waterproof layer, the material of upper protective housing and lower protective housing is the same, the upper protective housing includes the compression layer, the fixed surface on compression layer is connected with resistant time layer, the fixed surface on resistant time layer is connected with corrosion resistant time layer.

Preferably, the top of fixed block is run through and is provided with spacing bolt, the bottom and the locating piece fixed connection of spacing bolt.

Preferably, the flame-retardant layer is made of glass fiber, and the reinforcing layer is made of polyformaldehyde.

Preferably, the waterproof layer is made of polyethylene, and the pressure-resistant layer is made of polyphenylene sulfide.

Preferably, the weather-resistant layer is made of polyether-ether-ketone, and the corrosion-resistant layer is made of polysulfone.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a cooperation that sets up first spring, fixed block, locating piece, second spring, fire-retardant layer, enhancement layer, waterproof layer, compressive layer, resistant layer and corrosion resistant layer is used, possesses the advantage that the crushing resistance is good, and it is poor to have solved current buried electric power pipeline withstand voltage effect, and electric power pipeline generally buries the pressure of receiving underground great in the use, if when receiving stronger extrusion, the crack can appear, makes the inside electric wire of pipeline expose impaired problem.

Drawings

FIG. 1 is a perspective view of the structural pipe of the present invention;

FIG. 2 is a cross-sectional view of the inner tube of the present invention;

fig. 3 is a cross-sectional view of the upper protective shell and the lower protective shell of the present invention.

In the figure: 1 inner tube, 2 first springs, 3 upper protective shells, 4 lower protective shells, 5 fixed blocks, 6 positioning blocks, 7 limiting bolts, 8 second springs, 9 flame-retardant layers, 10 reinforcing layers, 11 waterproof layers, 12 pressure-resistant layers and 13 weather-resistant layers.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses an inner tube 1, first spring 2, go up protecting crust 3, protecting crust 4, fixed block 5, locating piece 6, spacing bolt 7, second spring 8, fire-retardant layer 9, enhancement layer 10, waterproof layer 11, resistance to compression layer 12 and resistant layer 13 part of waiting are the parts that general standard component or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a buried pressure-resistant power pipeline includes an inner pipe 1, a first spring 2 fixedly connected to the surface of the inner pipe 1, an upper protective shell 3 and a lower protective shell 4 respectively fixedly connected to one end of the first spring 2 away from the inner pipe 1, fixed blocks 5 fixedly connected to both sides of the upper protective shell 3, positioning blocks 6 used in cooperation with the fixed blocks 5 fixedly connected to both sides of the lower protective shell 4, a limit bolt 7 penetrating through the top of the fixed blocks 5, the bottom of the limit bolt 7 fixedly connected to the positioning blocks 6, a second spring 8 fixedly connected to the bottom of the fixed blocks 5, the bottom of the second spring 8 fixedly connected to the positioning blocks 6, the inner pipe 1 including a flame-retardant layer 9, a reinforcing layer 10 fixedly connected to the surface of the flame-retardant layer 9, the flame-retardant layer 9 being made of glass fiber material, the reinforcing layer 10 being made of polyoxymethylene material, a waterproof layer 11 fixedly connected to the surface of the reinforcing layer 10, the upper protective shell 3 and the lower protective shell 4 are made of the same material, the upper protective shell 3 comprises a pressure-resistant layer 12, a waterproof layer 11 is made of polyethylene, the pressure-resistant layer 12 is made of polyphenylene sulfide, a weather-resistant layer 13 is fixedly connected to the surface of the pressure-resistant layer 12, an anti-corrosion layer 14 is fixedly connected to the surface of the weather-resistant layer 13, the weather-resistant layer 13 is made of polyether-ether-ketone, the anti-corrosion layer 14 is made of polysulfone, by arranging the first spring 2, the fixed block 5, the positioning block 6, the second spring 8, the flame-retardant layer 9, the reinforcing layer 10, the waterproof layer 11, the compression-resistant layer 12, the weather-resistant layer 13 and the corrosion-resistant layer 14 for matching use, the buried power pipeline has the advantage of good compression resistance, solves the problem that the existing buried power pipeline has poor pressure-resistant effect, when the electric power pipeline is used, the electric power pipeline is generally buried underground and receives high pressure, and if the electric power pipeline receives high extrusion, cracks can occur, so that the electric wires in the pipeline are exposed and damaged.

Through setting up spacing bolt 7, can play spacing effect to fixed block 5 and locating piece 6, can prevent effectively that fixed block 5 and locating piece 6 from separating, through setting up first spring 2 and second spring 8, can play the effect of buffering, can prevent effectively that inner tube 1 is impaired, be the glass fiber material through setting up fire-retardant layer 9, can play fire-retardant effect, can prevent effectively that pipeline inside electric wire spontaneous combustion from igniting the pipeline, be the polyethylene material through setting up waterproof layer 11, can prevent effectively that water from getting into in the pipeline, it is the polyether ether ketone material to set up resistant layer 13, can play resistant effect, can be convenient for the pipeline adaptation difference to advance, through setting up corrosion-resistant layer 14, can play corrosion-resistant effect, it is impaired to prevent that the pipeline wins corrosive substance.

During the use, bury the pipeline underground, bear pressure through last protecting crust 3 and lower protecting crust 4, when meetting great pressure, do concertina movement through first spring 2 and second spring 8, absorb pressure, reduce the pressure that inner tube 1 received, it is impaired to prevent that inner tube 1 from responding to pressure, be the polyphenylene sulfide material through setting up crushing layer 12, can play the effect of reinforcing to last protecting crust 3 and lower protecting crust 4, can prevent effectively that protecting crust 3 and lower protecting crust 4 from being crushed, be the polyformaldehyde material through setting up enhancement layer 10, can play the effect of strengthening to inner tube 1, can prevent effectively that inner tube 1 from being crushed.

In summary, the following steps: this withstand voltage power pipeline of buried formula through setting up first spring 2, fixed block 5, locating piece 6, second spring 8, fire-retardant layer 9, enhancement layer 10, waterproof layer 11, resistance to compression layer 12, resistant layer 13 and corrosion resistant layer 14 of waiting, it is poor to have solved current withstand voltage effect of buried formula power pipeline, and power pipeline generally buries the pressure received underground great in the use, if when receiving stronger extrusion, the crack can appear, makes the inside electric wire of pipeline expose impaired problem.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a withstand voltage power pipeline of buried, includes inner tube (1), its characterized in that: the surface of the inner pipe (1) is fixedly connected with a first spring (2), one end, far away from the inner pipe (1), of the first spring (2) is fixedly connected with an upper protective shell (3) and a lower protective shell (4) respectively, both sides of the upper protective shell (3) are fixedly connected with fixed blocks (5), both sides of the lower protective shell (4) are fixedly connected with positioning blocks (6) matched with the fixed blocks (5) for use, the bottom of the fixed blocks (5) is fixedly connected with a second spring (8), the bottom of the second spring (8) is fixedly connected with the positioning blocks (6), the inner pipe (1) comprises a flame-retardant layer (9), the surface of the flame-retardant layer (9) is fixedly connected with a reinforced layer (10), the surface of the reinforced layer (10) is fixedly connected with a waterproof layer (11), and the materials of the upper protective shell (3) and the lower protective shell (4) are the same, the upper protective shell (3) comprises a pressure-resistant layer (12), a weather-resistant layer (13) is fixedly connected to the surface of the pressure-resistant layer (12), and a corrosion-resistant layer (14) is fixedly connected to the surface of the weather-resistant layer (13).

2. A buried pressure resistant power conduit according to claim 1, wherein: the top of the fixed block (5) is provided with a limiting bolt (7) in a penetrating mode, and the bottom of the limiting bolt (7) is fixedly connected with the positioning block (6).

3. A buried pressure resistant power conduit according to claim 1, wherein: the flame-retardant layer (9) is made of glass fiber, and the reinforcing layer (10) is made of polyformaldehyde.

4. A buried pressure resistant power conduit according to claim 1, wherein: the waterproof layer (11) is made of polyethylene, and the pressure-resistant layer (12) is made of polyphenylene sulfide.

5. A buried pressure resistant power conduit according to claim 1, wherein: the weather-resistant layer (13) is made of polyether-ether-ketone, and the corrosion-resistant layer (14) is made of polysulfone.