CN212480383U

CN212480383U - Novel concrete pipe

Info

Publication number: CN212480383U
Application number: CN202020909936.7U
Authority: CN
Inventors: 吴剑飘
Original assignee: Pingtan Yuanlong Trading Co ltd
Current assignee: Pingtan Yuanlong Trading Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-05
Anticipated expiration: 2030-05-26

Abstract

The utility model relates to a building pipeline technical field provides a novel concrete pipe, include the body and locate the portion of accepting of body one end, the body is by interior outside including first concrete layer, fibre net layer, second concrete layer, prestressing wire layer, cement mortar layer, one side that fibre net layer was kept away from on first concrete layer is equipped with waterproof coating, waterproof coating is equipped with anticorrosive coating outward, and it is not enough to solve prior art concrete pipe corrosion resisting property, leads to the outside problem that arouses environmental pollution of permeating of intraductal sewage.

Description

Novel concrete pipe

Technical Field

The utility model relates to a building pipeline technical field especially relates to a novel concrete pipe.

Background

The concrete pipe is made of concrete or reinforced concrete material, is used for conveying water, oil, gas and other fluids, can be used as an urban sewer pipeline, an industrial water conveying pipeline or a deep soil covering pipeline, and has the functions of draining sewage and flood prevention and drainage.

Patent numbers: 201721317556.9 discloses a reinforced concrete pipe, which comprises a pipe body, wherein a cylindrical metal framework is arranged in the pipe body, a plurality of annular metal rings I are arranged on the inner side of the metal framework, and the annular metal rings I are arranged at intervals along the axial direction of the metal framework; a plurality of annular metal rings II are arranged on the outer side of the metal framework at intervals along the axial direction of the metal framework; the annular metal ring I of a plurality of and the annular metal ring two phase of a plurality of stagger the setting, and the concrete intraductal columniform metal framework that is equipped with and set up metal ring I and metal ring two in the metal framework outside for the overall structure of body obtains the enhancement that is showing, and metal ring I staggers the setting with metal ring two and makes body overall structure strengthen more evenly, has avoided appearing obvious weak position of intensity on the body, improves the ability that the body resisted uneven settlement. Because the concrete pipe is used for the blowdown more, often contain a large amount of harmful substance that have the corrosivity in the sewage, the corrosion resisting property of this strenghthened type concrete pipe is not enough, carries the waste water in-process concrete pipe to receive the corruption easily for a long time, and the intraductal sewage of concrete constantly outwards permeates along the pipe wall, leaks to the underground at last, causes groundwater pollution, exists the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Therefore, to the above, the utility model provides a novel concrete pipe solves prior art concrete pipe corrosion resisting property not enough, leads to the inside outside infiltration of intraductal sewage to arouse environmental pollution's problem.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a novel concrete pipe, includes the body and locates the portion of accepting of body one end, the body is by interior outside to including first concrete layer, fibre net layer, second concrete layer, prestressing wire layer, cement mortar layer, the portion of accepting is the round platform form, sets up in body one end along the horizontal direction, the portion of accepting includes left mouth of pipe and right mouth of pipe, right mouth of pipe and body fixed connection, right orificial inner wall diameter is the same with the outer wall diameter of body, left orificial inner wall diameter is greater than right orificial outer wall diameter, the orificial inner wall diameter of a left side cooperatees with the outer wall diameter of body, one side that fibre net layer was kept away from on first concrete layer is equipped with water proof coating, water proof coating keeps away from first concrete layer one side and is equipped with anticorrosive coating.

Further improvement: the prestressed wire layer comprises a plurality of annular stirrups and fixing rods, the annular stirrups are arranged on the second concrete layer in a surrounding mode and are parallel to each other, the annular stirrups are connected through the fixing rods, at least two connecting portions are arranged at the connecting positions of the fixing rods and the annular stirrups, one end of each connecting portion stretches into the second concrete layer, and the other end of each connecting portion stretches into the cement mortar layer.

Further improvement: the connecting parts comprise first connecting rods, second connecting rods and third connecting rods, the first connecting rods are connected with the third connecting rods through the second connecting rods, the first connecting rods extend into the cement mortar layer, the third connecting rods extend into the second concrete layer, the directions of the first connecting rods and the third connecting rods are opposite, and the connecting parts on two sides of the pipe body in the length direction are symmetrical in structure.

Further improvement: and a wear-resistant layer is arranged outside the cement mortar layer.

Further improvement: and polypropylene fibers are poured in the first concrete layer and the second concrete layer.

Further improvement: the thickness of the anticorrosive coating is 20-45 μm, and the thickness of the waterproof coating is 18-50 μm.

By adopting the technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a body of concrete pipe is from inside to outside including first concrete layer, fibre net layer, second concrete layer, prestressing wire layer, cement mortar layer, the fibre net layer that first concrete layer one side set up has toughness good, light in weight, the difficult shrink advantage that warp, can increase the intensity of concrete pipe; the other side of the first concrete layer is provided with an anticorrosive coating and a waterproof coating, the anticorrosive coating can effectively solve the problem that sewage corrodes the inner wall of the concrete pipe, and the waterproof coating can prevent the sewage from permeating into the concrete pipe and improve the waterproofness of the concrete pipe; the bearing part is arranged at one end of the pipe body and can be used for splicing a plurality of concrete pipes, the sealing performance of the joint is enhanced, and the structure is simple.

2. The intensity of concrete pipe has been strengthened in setting up on prestressed wire layer, and the prestressed wire layer includes a plurality of annular stirrups and dead lever, and the junction of dead lever and annular stirrups sets up connecting portion, and connecting portion one end stretches into in the second concrete layer, and in the cement mortar layer was stretched into to the other end, the prestressed wire layer took place to shift with other layers when connecting portion set up and can prevent expend with heat and contract with cold, influences the intensity of concrete pipe.

3. The surface cement mortar layer texture of concrete pipe is loose, takes place local collision wearing and tearing easily in transportation transport and installation, and water or other materials in the external environment can permeate into, corrode the prestressing wire layer, reduce the bulk strength of concrete pipe, consequently set up the wearing layer outside cement mortar layer, can reduce the wearing and tearing of concrete pipe surface, guarantees the intensity of concrete pipe.

4. Polypropylene fibers are poured in the first concrete layer and the second concrete layer, and the polypropylene fibers are distributed in the concrete, so that the growth and extension of early cracks can be effectively prevented, the crack resistance and the seepage resistance of the first concrete layer and the second concrete layer are improved, the phenomenon that sewage in a pipe permeates into the cracks and corrodes each layer of structure is reduced, and the strength of the concrete pipe is ensured.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a schematic structural view of the tube body of the present invention;

fig. 3 is a schematic structural diagram of a middle prestressed wire layer according to the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model provides a do:

referring to fig. 1 to 3, a novel concrete pipe comprises a pipe body 1 and a receiving part 2 arranged at one end of the pipe body 1, wherein the pipe body 1 comprises a first concrete layer 11, a fiber mesh layer 12, a second concrete layer 13, a prestressed wire layer 14, a cement mortar layer 15 and a wear-resistant layer 16 from inside to outside, polypropylene fibers are poured in the first concrete layer 11 and the second concrete layer 13, the fiber mesh layer 12 is glass fiber mesh cloth, the wear-resistant layer 16 is a polyurethane layer, the prestressed wire layer 14 comprises a plurality of annular stirrups 19 and fixing rods 20, each annular stirrup 19 surrounds the second concrete layer and is arranged in parallel along the length direction of the pipe body, the annular stirrups are connected through the fixing rods 20, the fixing rods 20 are arranged in parallel along the width direction of the pipe body, and a plurality of connecting parts are arranged at the connecting parts of the two symmetrical fixing rods 20 and the annular stirrups 19, connecting portion include head rod 21, second connecting rod 22 and third connecting rod 23, head rod 21 passes through second connecting rod 22 with third connecting rod 23 and links to each other, head rod 21 stretches into in cement mortar layer 15, third connecting rod 23 stretches into in second concrete layer 13, head rod 21 and the opposite direction of third connecting rod 23 are located the connecting portion structure symmetry of body 1 length direction both sides. The bearing part 2 is in a round table shape and is arranged at one end of the pipe body 1 along the horizontal direction, the bearing part 2 comprises a left pipe orifice 3 and a right pipe orifice 4, the right pipe orifice 4 is fixedly connected with the pipe body 1, the diameter of the inner wall of the right pipe orifice 4 is the same as that of the outer wall of the pipe body 1, the diameter of the inner wall of the left pipe orifice 3 is larger than that of the outer wall of the right pipe orifice 4, the diameter of the inner wall of the left pipe orifice 3 is matched with that of the outer wall of the pipe body 1, so that the other concrete pipe can be inserted into the bearing part, the side of the first concrete layer 11 far away from the fiber mesh layer 12 is provided with a waterproof coating 17, the waterproof coating 17 is an acrylic resin layer, an anti-corrosion coating 18 is arranged on one side of the waterproof coating 17, which is far away from the first concrete layer 11, the anti-corrosion coating 18 is an epoxy resin layer, the thickness of the anti-corrosion coating 18 is 45 micrometers, and the thickness of the waterproof coating 17 is 50 micrometers.

When the anti-crack concrete pipe is used, the polypropylene fibers are poured in the first concrete layer and the second concrete layer, and the polypropylene fibers are distributed in the concrete, so that the growth and extension of early cracks can be effectively prevented, the crack resistance and the seepage resistance of the first concrete layer and the second concrete layer are improved, the sewage in the pipe is prevented from permeating into the cracks and corroding each layer structure, and the strength of the concrete pipe is ensured. The fiber mesh layer can increase the strength of the concrete pipe; the other side of the first concrete layer is provided with an anticorrosive coating and a waterproof coating, the anticorrosive coating can effectively solve the problem that sewage corrodes the inner wall of the concrete pipe, and the waterproof coating can prevent the sewage from permeating into the concrete pipe and improve the waterproofness of the concrete pipe; the bearing part is arranged at one end of the pipe body and can be used for splicing a plurality of concrete pipes, the sealing performance of the joint is enhanced, and the structure is simple. Set up the wearing layer outside cement mortar layer, can reduce the wearing and tearing of concrete pipe surface, guarantee the intensity of concrete pipe, avoid taking place local collision wearing and tearing because of cement mortar layer texture is loose in transportation transport and installation, water or other materials among the external environment can permeate into, cause the corruption on prestressing wire layer, reduce the bulk strength of concrete pipe. The intensity of concrete pipe has been strengthened in setting up on prestressed wire layer, and the prestressed wire layer includes a plurality of annular stirrups and dead lever, and the junction of dead lever and annular stirrups sets up connecting portion, and connecting portion one end stretches into in the second concrete layer, and in the cement mortar layer was stretched into to the other end, the prestressed wire layer took place to shift with other layers when connecting portion set up and can prevent expend with heat and contract with cold, influences the intensity of concrete pipe.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a novel concrete pipe, includes the body and locates the portion of accepting of body one end, its characterized in that: the body is by interior outside to including first concrete layer, fibre net layer, second concrete layer, prestressed wire layer, cement mortar layer, the accepting is the round platform form, sets up in body one end along the horizontal direction, the accepting includes left mouth of pipe and right mouth of pipe, right side mouth of pipe and body fixed connection, the orificial inner wall diameter of right side is the same with the outer wall diameter of body, orificial inner wall diameter of left side is greater than orificial outer wall diameter of right side, orificial inner wall diameter of left side cooperatees with the outer wall diameter of body, one side that fibre net layer was kept away from to first concrete layer is equipped with waterproof coating, waterproof coating keeps away from first concrete layer one side and is equipped with anticorrosive coating.

2. The new concrete pipe according to claim 1, characterized in that: the prestressed wire layer comprises a plurality of annular stirrups and fixing rods, the annular stirrups are arranged on the second concrete layer in a surrounding mode and are parallel to each other, the annular stirrups are connected through the fixing rods, at least two connecting portions are arranged at the connecting positions of the fixing rods and the annular stirrups, one end of each connecting portion stretches into the second concrete layer, and the other end of each connecting portion stretches into the cement mortar layer.

3. The new concrete pipe according to claim 2, characterized in that: the connecting parts comprise first connecting rods, second connecting rods and third connecting rods, the first connecting rods are connected with the third connecting rods through the second connecting rods, the first connecting rods extend into the cement mortar layer, the third connecting rods extend into the second concrete layer, the directions of the first connecting rods and the third connecting rods are opposite, and the connecting parts on two sides of the pipe body in the length direction are symmetrical in structure.

4. The new concrete pipe according to claim 1, characterized in that: and a wear-resistant layer is arranged outside the cement mortar layer.

5. The new concrete pipe according to claim 1, characterized in that: and polypropylene fibers are poured in the first concrete layer and the second concrete layer.

6. The new concrete pipe according to claim 1, characterized in that: the thickness of the anticorrosive coating is 20-45 μm, and the thickness of the waterproof coating is 18-50 μm.