CN213712142U

CN213712142U - Non-cracking high-strength double-wall corrugated pipe

Info

Publication number: CN213712142U
Application number: CN202020989125.2U
Authority: CN
Inventors: 张国华
Original assignee: Nantong Daming Molding Technology Co ltd
Current assignee: Nantong Daming Molding Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-07-16
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a high strength double-walled bellows does not ftracture, including the bellows main part, bellows main part inner wall is provided with reinforcing means, reinforcing means includes epoxy paint layer, pitch lacquer layer, enhancement layer and carbon fiber layer, the inner wall of bellows main part is scribbled and is brushed epoxy paint layer, and the inner coating of epoxy paint layer is scribbled and is brushed pitch lacquer layer, the inner layer that pitch lacquer was scribbled is provided with the enhancement layer, and is provided with the carbon fiber layer in the enhancement layer, the both ends opening part of bellows main part is provided with dust keeper. This non-cracking high-strength double-wall corrugated pipe is provided with a reinforcing device, wherein the reinforcing device comprises an epoxy resin coating layer, an asphalt paint layer, a reinforcing layer and a carbon fiber layer, the strength of the inner wall of the corrugated pipe main body can be obviously improved through the reinforcing device, and the reinforcing device has better corrosion resistance and prolongs the service life of the corrugated pipe main body.

Description

Non-cracking high-strength double-wall corrugated pipe

Technical Field

The utility model belongs to the technical field of the bellows production, concretely relates to high strength double-walled bellows that does not ftracture.

Background

The double-wall corrugated pipe is applied to the drainage and recovery of urban sewage and rainwater, the laying of power cables and the like, has the characteristics of light weight, high pressure resistance, long service life, low cost and the like, and still has various problems in the using process.

The existing corrugated pipe has a solid-wall structure, is insufficient in external pressure load resistance, easy to deform, damage and wear, and is likely to crack and deform when in contact with a hard medium, and meanwhile, the inner wall has poor corrosion resistance; meanwhile, when the existing corrugated pipe is not used to be placed in a pile, a merchant often needs to clean the inner wall of the pipe because the inner wall of the pipe cannot enter dust, which is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a non-cracking high-strength double-wall corrugated pipe, which solves the problems of the prior corrugated pipe material in the background art that the corrosion resistance and the compressive strength are not high; and the problem that the inner wall is easy to enter dust when not in use.

In order to achieve the above object, the utility model provides a following technical scheme: non-cracking high-strength double-wall corrugated pipe comprises a corrugated pipe main body, wherein a reinforcing device is arranged on the inner wall of the corrugated pipe main body and comprises an epoxy resin coating layer, an asphalt paint layer, a reinforcing layer and a carbon fiber layer, the epoxy resin coating layer is coated on the inner wall of the corrugated pipe main body, the asphalt paint layer is coated on the inner layer of the epoxy resin coating layer, the reinforcing layer is arranged on the inner layer of the asphalt paint layer, the carbon fiber layer is arranged in the reinforcing layer, and dustproof devices are arranged at openings at two ends of the corrugated pipe main body.

Preferably, the thickness of the epoxy resin coating layer is half of that of the asphalt paint layer, and the epoxy resin coating layer is a polycondensation product.

Preferably, the reinforcing layer is internally and uniformly paved with a carbon fiber layer.

Preferably, dust keeper includes bandage, bolted plate, fixing bolt, connecting block and dust guard, the bandage has been cup jointed on bellows main part surface, and is fixed with the bolted plate on the bandage, the threaded tightening has fixing bolt on the bolted plate, be fixed with the connecting block on the bandage, and the connecting block is fixed with the dust guard.

Preferably, the caliber of the dust guard is equal to the caliber of the corrugated pipe body.

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

(1) the non-cracking high-strength double-wall corrugated pipe is provided with a reinforcing device, wherein the reinforcing device comprises an epoxy resin coating layer, an asphalt paint layer, a reinforcing layer and a carbon fiber layer, the inner wall of the corrugated pipe main body is provided with the epoxy resin coating layer which has better bonding strength and corrosion-resistant chemical property, meanwhile, the inner layer of the epoxy resin coating layer is provided with an asphalt paint layer which is formed by taking coal tar pitch and coal tar as main raw materials and adding organic solvents such as a diluent, a modifier, a drier and the like, has good anticorrosion effect and excellent weather resistance, the inner layer of the asphalt paint layer is provided with a reinforced layer, the carbon fiber layer in the reinforced layer has the two characteristics of strong tensile resistance of carbon material and soft processability of fiber, the device can obviously improve the strength of the inner wall of the corrugated pipe main body, has better corrosion resistance and prolongs the service life of the corrugated pipe main body.

(2) This non-cracking high strength double-wall corrugated pipe is provided with dust keeper, wherein dust keeper includes the bandage, the bolt board, fixing bolt, connecting block and dust guard, when corrugated pipe main part does not use and puts in the shop, can cup joint the bandage at corrugated pipe main part's opening part, after the position of adjusting, then tighten fixing bolt, make four group's bolt board cooperation bandages fix corrugated pipe main part outer wall, at this moment the dust guard just in time seals the opening part of corrugated pipe main part dustproof, can make corrugated pipe main part place the show through this device when not using the inner wall can not get into the dust at ordinary time, and is time-saving and labor-saving.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 3 is a schematic front sectional view of the partial structure of the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 5 is a schematic side view of the structure of the present invention.

In the figure: 1. a bellows body; 21. an epoxy resin coating layer; 22. an asphalt paint layer; 23. an enhancement layer; 24. a carbon fiber layer; 31. a bandage; 32. a bolt plate; 33. fixing the bolt; 34. connecting blocks; 35. a dust guard.

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 fig. 1-5, the present invention provides a technical solution of non-cracking high strength double-wall corrugated pipe: non-cracking high-strength double-wall corrugated pipe, including corrugated pipe main body 1, corrugated pipe main body 1 inner wall is provided with reinforcing device, reinforcing device includes epoxy paint layer 21, asphalt paint layer 22, enhancement layer 23 and carbon fiber layer 24, corrugated pipe main body 1's inner wall is painted with epoxy paint layer 21, and the inner coating of epoxy paint layer 21 is painted with asphalt paint layer 22, asphalt paint layer 22's inlayer is provided with enhancement layer 23, and be provided with carbon fiber layer 24 in the enhancement layer 23, corrugated pipe main body 1's both ends opening part is provided with dust keeper.

In this embodiment, preferably, the thickness of the epoxy coating layer 21 is one half of the thickness of the asphalt paint layer 22, the epoxy coating layer 21 is a polycondensation product, and the epoxy coating layer 21 has good adhesive strength and chemical resistance to corrosion.

In this embodiment, preferably, carbon fiber layer 24 is uniformly laid in enhancement layer 23, and carbon fiber layer 24 is a novel fiber material, so that the strength of inner wall of bellows main body 1 can be significantly improved by the device, and the service life of bellows main body 1 is prolonged.

In this embodiment, preferably, the dustproof device includes a bandage 31, a bolt plate 32, a fixing bolt 33, a connecting block 34 and a dustproof plate 35, the bandage 31 is sleeved on the surface of the corrugated pipe main body 1, the bolt plate 32 is fixed on the bandage 31, the fixing bolt 33 is screwed on the bolt plate 32 through threads, the connecting block 34 is fixed on the bandage 31, and the connecting block 34 is fixed with the dustproof plate 35.

In this embodiment, preferably, the diameter of the dust-proof plate 35 is equal to the diameter of the bellows body 1, so that the bellows body 1 can be sealed to prevent dust when the dust-proof plate 35 is attached to the opening of the bellows body 1.

The utility model discloses a theory of operation and use flow: the inner wall of the corrugated pipe main body 1 is provided with the epoxy resin coating layer 21, the epoxy resin coating layer 21 has good bonding strength and corrosion-resistant chemical performance, meanwhile, the inner layer of the epoxy resin coating layer 21 is provided with the asphalt paint layer 22, the asphalt paint layer 22 is formed by taking coal tar pitch and coal tar as main raw materials and adding organic solvents such as diluents, modifiers, drying agents and the like, the anti-corrosion effect is good, the weather resistance is excellent, the inner layer of the asphalt paint layer 22 is provided with the enhancement layer 23, and the carbon fiber layer 24 in the enhancement layer 23 has two characteristics of strong tensile strength of carbon materials and soft processability of fibers.

When bellows main part 1 does not use and puts in the shop, can cup joint bandage 31 at the opening part of bellows main part 1, after adjusting 65 the position, then screw up fixing bolt 33, make four group's bolt boards 32 cooperate bandage 31 to fix bellows main part 1 outer wall, at this moment the dust guard 35 just in time seals dustproof with the opening part of bellows main part 1, can make bellows main part 1 place the show through this device and can not get into the dust when not using at ordinary, and is time-saving and labor-saving, so far the operation finishes.

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. Non-cracking high-strength double-wall corrugated pipe comprises a corrugated pipe main body (1) and is characterized in that: bellows main part (1) inner wall is provided with the reinforcing apparatus, the reinforcing apparatus includes epoxy paint layer (21), pitch paint layer (22), enhancement layer (23) and carbon fiber layer (24), the inner wall of bellows main part (1) is scribbled and is brushed epoxy paint layer (21), and the inner layer of epoxy paint layer (21) is scribbled and is brushed pitch paint layer (22), the inlayer of pitch paint layer (22) is provided with enhancement layer (23), and is provided with carbon fiber layer (24) in enhancement layer (23), the both ends opening part of bellows main part (1) is provided with dust keeper.

2. The non-cracking high-strength double-wall corrugated pipe according to claim 1, wherein: the thickness of the epoxy resin coating layer (21) is one half of that of the asphalt paint layer (22), and the epoxy resin coating layer (21) is a polycondensation product.

3. The non-cracking high strength double-walled corrugated pipe of claim 2, wherein: and a carbon fiber layer (24) is uniformly laid in the reinforcing layer (23).

4. The non-cracking high-strength double-wall corrugated pipe according to claim 1, wherein: the dustproof device comprises a bandage (31), a bolt plate (32), a fixing bolt (33), a connecting block (34) and a dustproof plate (35), the bandage (31) is sleeved on the surface of the corrugated pipe main body (1), the bolt plate (32) is fixed on the bandage (31), the fixing bolt (33) is screwed up through threads on the bolt plate (32), the connecting block (34) is fixed on the bandage (31), and the connecting block (34) is fixed with the dustproof plate (35).

5. The non-cracking high-strength double-wall corrugated pipe according to claim 4, wherein: the caliber of the dust guard (35) is equal to that of the corrugated pipe main body (1).