CN210088196U - Reinforced concrete pressure pipe and water delivery pipeline - Google Patents

Abstract

The utility model discloses a reinforced concrete pressure pipe and conduit relates to the pipe-line manufacture technology field. The reinforced concrete pressure pipe comprises a steel cylinder, a first concrete layer and a second concrete layer. Outside the steel cylinder was located to first concrete layer cover, and with steel cylinder fixed connection, the steel cylinder cover was located outside the second concrete layer, and with second concrete layer fixed connection, was provided with first steel reinforcement cage in the first concrete layer, be provided with the second steel reinforcement cage in the second concrete layer. Compared with the prior art, the utility model provides a reinforced concrete pressure pipe is owing to adopted to set up in the intraformational first steel reinforcement cage of first concrete and set up in the intraformational second steel reinforcement cage of second concrete, so can no longer use the steel wire of excelling in to avoid the condition emergence of the brittle failure of the steel wire that excels in, became invalid, prevent to warp, the durability is high, and the security is strong.

Description

Reinforced concrete pressure pipe and water delivery pipeline

Technical Field

The utility model relates to a pipeline manufacturing technical field particularly, relates to a reinforced concrete pressure pipe and raceway.

Background

Water resource distribution in China is extremely unbalanced, water resources in the south are rich, and drought in the north is deficient, so that industrial agriculture development is seriously influenced. With the increase of population, the promotion of urbanization and industrialization and the ecological civilization construction, the water demand is increased day by day, and the contradiction between water resource supply and demand in China is more prominent. In recent years, the country continuously improves a water conservancy infrastructure network through a large-scale water transfer project, constructs a water safety guarantee system and accelerates the promotion of water conservancy modernization construction. These large water transfer projects all require high quality large caliber pressure water pipes.

At present, concrete pressure pipelines mainly comprise Prestressed Concrete Cylinder Pipes (PCCP) and Prestressed Concrete Pipes (PCP) besides steel pipes and ductile cast iron pipes. Due to the structural limitation of the PCP, the PCP is generally used in water delivery projects with medium calibers and lower pressure grades. The PCCP adopts a structure that a prestressed high-strength steel wire is sleeved outside a steel cylinder, and the high-strength steel wire is easy to hydrogen and break and lose efficacy, so that pipe explosion is easily caused, and the problems of durability and safety are greatly controversial.

In view of the above, it is important to design and manufacture a safe and durable reinforced concrete pressure pipe and water delivery pipeline, especially in pipeline production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforced concrete pressure pipe, simple structure can avoid the condition emergence of the brittle failure of high strength steel wire, inefficacy, prevents to warp, and the durability is high, and the security is strong.

Another object of the utility model is to provide a water pipeline, simple structure can avoid the brittle failure of high strength steel wire, the condition of inefficacy to take place, prevents to warp, and the durability is high, and the security is strong, and is practical reliable.

The utility model is realized by adopting the following technical scheme.

The utility model provides a reinforced concrete pressure pipe, includes steel cylinder, first concrete layer and second concrete layer, outside the steel cylinder was located to first concrete layer cover, and with steel cylinder fixed connection, outside the second concrete layer was located to the steel cylinder cover, and with second concrete layer fixed connection, be provided with first steel reinforcement cage in the first concrete layer, be provided with the second steel reinforcement cage in the second concrete layer.

Further, first steel reinforcement cage includes first gyration muscle and a plurality of first support muscle, and a plurality of first support muscle intervals set up, and be the annular distribution, first gyration muscle respectively with a plurality of first support muscle fixed connection.

Furthermore, first gyration muscle twines outside a plurality of first support muscle, and first gyration muscle sets up in one side that the steel cylinder was kept away from to first support muscle.

Furthermore, the first rotary rib and the first support rib are both cold-rolled ribbon rib steel bars or hot-rolled twisted steel bars.

Further, the second steel reinforcement cage includes second gyration muscle and a plurality of second brace rod, and a plurality of second brace rod intervals set up, and are the annular distribution, and the second gyration muscle respectively with a plurality of second brace rod fixed connection.

Furthermore, the second rotary rib is arranged in the second support ribs, and the second rotary rib is arranged on one side, far away from the steel cylinder, of the second support rib.

Further, the quantity of first steel reinforcement cage is a plurality of, and the diameter of a plurality of first steel reinforcement cages is all inequality, and a plurality of first steel reinforcement cages coaxial interval sets up.

Further, the thickness of the steel cylinder ranges from 1.5 mm to 20 mm.

Furthermore, reinforced concrete pressure pipe still includes socket ring, bellmouth ring and rubber circle, and socket ring and bellmouth ring relatively connect in the both ends of steel cylinder, have seted up the ring channel on the socket ring, and the rubber circle cover is located in the ring channel.

The utility model provides a water pipeline, includes foretell reinforced concrete pressure pipe, this reinforced concrete pressure pipe includes steel cylinder, first concrete layer and second concrete layer, outside the steel cylinder was located to first concrete layer cover, and with steel cylinder fixed connection, the second concrete layer was located to the steel cylinder cover outside, and with second concrete layer fixed connection, be provided with first steel reinforcement cage in the first concrete layer, be provided with second steel reinforcement cage in the second concrete layer.

The utility model provides a reinforced concrete pressure pipe and conduit have following beneficial effect:

the utility model provides a reinforced concrete pressure pipe, outside the steel cylinder was located to first concrete layer cover, and with steel cylinder fixed connection, outside second concrete layer was located to the steel cylinder cover, and with second concrete layer fixed connection, be provided with first steel reinforcement cage in the first concrete layer, be provided with the second steel reinforcement cage in the second concrete layer. Compared with the prior art, the utility model provides a reinforced concrete pressure pipe is owing to adopted to set up in the intraformational first steel reinforcement cage of first concrete and set up in the intraformational second steel reinforcement cage of second concrete, so can no longer use the steel wire of excelling in to avoid the condition emergence of the brittle failure of the steel wire that excels in, became invalid, prevent to warp, the durability is high, and the security is strong.

The utility model provides a water pipeline, including the reinforced concrete pressure pipe, simple structure can no longer use the high strength steel wire to avoid the brittle failure of high strength steel wire, the condition of inefficacy to take place, prevent to warp, the durability is high, and the security is strong, and is practical reliable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an exploded view of a water pipe according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a viewing angle of a reinforced concrete pressure pipe according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another view angle of the reinforced concrete pressure pipe according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first reinforcement cage in a reinforced concrete pressure pipe according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second reinforcement cage in the reinforced concrete pressure pipe provided by the embodiment of the present invention.

Icon: 10-water pipeline; 100-reinforced concrete pressure pipe; 110-a steel cylinder; 120-a first concrete layer; 121-a first reinforcement cage; 122-a first turnrib; 123-first support ribs; 130-a second concrete layer; 131-a second reinforcement cage; 132-a second turnstile; 133-second support ribs; 140-a socket ring; 141-an annular groove; 150-a socket ring; 160-rubber ring; 200-drainage channels.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, e.g., as meaning 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.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Examples

Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides a water pipe 10 for conveying water. The steel wire anti-deformation device is simple in structure, capable of avoiding the conditions of brittle fracture and failure of the high-strength steel wire, capable of preventing deformation, high in durability, strong in safety, practical and reliable. It should be noted that the water conveying pipeline 10 includes a plurality of reinforced concrete pressure pipes 100, the plurality of reinforced concrete pressure pipes 100 are connected in sequence and form a drainage channel 200, and water can flow in the drainage channel 200 to realize the function of conveying water. The water pipe 10 can adapt to various buried use environments, has better safety and durability, and can be used for municipal road construction, farmland water conservancy construction, electric power and railway engineering construction.

The reinforced concrete pressure pipe 100 includes a steel cylinder 110, a first concrete layer 120, a second concrete layer 130, a socket ring 140, a socket ring 150, and a rubber ring 160. The first concrete layer 120 is sleeved outside the steel cylinder 110 and is fixedly connected with the steel cylinder 110, and the first concrete layer 120 can shield and protect the steel cylinder 110. The steel cylinder 110 is sleeved outside the second concrete layer 130 and is fixedly connected with the second concrete layer 130. The socket ring 140 and the socket ring 150 are connected to opposite ends of the steel cylinder 110, and in this embodiment, both the socket ring 140 and the socket ring 150 are welded to the steel cylinder 110 to improve the connection strength and fix the relative positions between the socket ring 140 and the socket ring 150 and the steel cylinder 110.

It should be noted that the lengths of the first concrete layer 120 and the second concrete layer 130 are the same, and the first concrete layer 120 and the second concrete layer 130 are arranged in a staggered manner. The socket ring 140 extends out of the first concrete layer 120 and is flush with the end surface of the second concrete layer 130, and the socket ring 150 extends out of the second concrete layer 130 and is flush with the end surface of the first concrete layer 120. The socket ring 140 of each reinforced concrete pressure pipe 100 is fitted with the socket ring 150 of an adjacent one of the reinforced concrete pressure pipes 100 to achieve the sequential connection of the plurality of reinforced concrete pressure pipes 100 to form the drainage passage 200.

In this embodiment, the socket ring 140 has an annular groove 141, and the rubber ring 160 is sleeved in the annular groove 141. When two adjacent reinforced concrete pressure pipes 100 are connected, the socket ring 140 is matched with the socket ring 150, the socket ring 150 is sleeved outside the socket ring 140 and abuts against the socket ring 140, and at the moment, one side of the rubber ring 160, which is far away from the bottom wall of the annular groove 141, abuts against the socket ring 150 to seal a gap between the socket ring 140 and the socket ring 150.

Specifically, the number of the annular grooves 141 and the rubber rings 160 is two, the two annular grooves 141 are arranged on the outer surface of the socket ring 140 at intervals in parallel, each rubber ring 160 is installed in one annular groove 141, and the two rubber rings 160 can seal the gap between the socket ring 140 and the socket ring 150, so that the sealing effect is improved, the leak resistance is enhanced, and the service life is prolonged.

It should be noted that the thickness of the steel cylinder 110 ranges from 1.5 mm to 20 mm, the steel cylinder 110 increases the anti-permeability rating of the pipe, and the steel cylinder 110 can withstand higher internal and external pressures. In this embodiment, the thickness of the steel cylinder 110 is 5 mm, but the invention is not limited thereto, and in other embodiments, the thickness of the steel cylinder 110 may be 1.5 mm, or may be 20 mm, and the thickness of the steel cylinder 110 is not particularly limited, and needs to be determined according to actual situations.

It is noted that a first reinforcement cage 121 is disposed in the first concrete layer 120, and a second reinforcement cage 131 is disposed in the second concrete layer 130. First steel reinforcement cage 121 can improve the intensity of first concrete layer 120, and second steel reinforcement cage 131 can improve the intensity of second concrete layer 130, and first steel reinforcement cage 121 and second steel reinforcement cage 131 combined action improve the intensity of reinforced concrete pressure pipe 100 for reinforced concrete pressure pipe 100 can keep sufficient intensity under the condition that does not use the high-strength steel wire, takes place with the condition of avoiding the brittle failure of high-strength steel wire, inefficacy.

It should be noted that the number of the first reinforcement cages 121 is plural, the diameters of the plural first reinforcement cages 121 are different, the plural first reinforcement cages 121 are coaxially arranged at intervals, and the first reinforcement cage 121 with the larger diameter is sleeved outside the first reinforcement cage 121 with the smaller diameter. In this embodiment, the number of the first reinforcement cages 121 is two, and the two first reinforcement cages 121 are coaxially spaced apart from each other and are all disposed in the first concrete layer 120.

Referring to fig. 4 and 5, the first reinforcement cage 121 includes a first rotating rib 122 and a plurality of first supporting ribs 123. A plurality of first support muscle 123 intervals set up, and be the annular and distribute, and first gyration muscle 122 is the heliciform, and first gyration muscle 122 spirals and sets up on a plurality of first support muscle 123, first gyration muscle 122 respectively with a plurality of first support muscle 123 fixed connection. In this embodiment, the first rotating rib 122 is welded to the first supporting rib 123 to improve the connection strength. Specifically, the first rotating rib 122 is wound outside the plurality of first supporting ribs 123, and the first rotating rib 122 is disposed on one side of the first supporting rib 123 far away from the steel cylinder 110, i.e., the first rotating rib 122 is disposed on one side of the first supporting rib 123 near the outside.

The second reinforcement cage 131 includes a second rotary rib 132 and a plurality of second brace bars 133, and a plurality of second brace bars 133 interval sets up, and is the annular distribution, and the second rotary rib 132 is the heliciform, and the second rotary rib 132 spirals and sets up on a plurality of second brace bars 133, and the second rotary rib 132 respectively with a plurality of second brace bars 133 fixed connection. In this embodiment, the second rotating rib 132 is welded to the second support rib 133 to improve the connection strength. Specifically, the second rotating rib 132 is disposed in the plurality of second support ribs 133, and the second rotating rib 132 is disposed on a side of the second support rib 133 away from the steel cylinder 110, that is, the second rotating rib 132 is disposed on a side of the second support rib 133 close to the drainage channel 200.

It should be noted that the reinforced concrete pressure pipe 100 has a circular cross section, and the stress is transmitted from the ring body to the inner side of the ring and the outer side of the ring. In the process that the stress of the reinforced concrete pressure pipe 100 is transmitted from the ring body to the outer side of the ring, the first support ribs 123 are firstly stressed and have a tendency of outward inclined expansion, and at the moment, the first rotary ribs 122 limit and fix the first support ribs 123 to prevent outward expansion, so that the reinforced concrete pressure pipe 100 is prevented from outward convex deformation. In the process that the stress of the reinforced concrete pressure pipe 100 is transferred from the ring body to the inner side of the ring, the plurality of second support ribs 133 are firstly stressed and have a tendency of inward inclined expansion, and at the moment, the second rotary ribs 132 limit and fix the plurality of second support ribs 133 to prevent the plurality of second support ribs 133 from inward expansion, so that the reinforced concrete pressure pipe 100 is prevented from being deformed inwards towards the drainage channel 200.

In this embodiment, the first rotating rib 122, the first supporting rib 123, the second rotating rib 132, and the second supporting rib 133 are cold-rolled ribbon rib steel or hot-rolled twisted steel. The cold-binding belt rib steel bar and the hot-rolling threaded steel bar have lower steel bar stress, do not have hydrogen embrittlement, have high safety factor, avoid stress corrosion and tube explosion, and can be used for grooving construction and jacking construction.

The embodiment of the utility model provides a reinforced concrete pressure pipe 100, first concrete layer 120 cover is located outside steel cylinder 110, and with steel cylinder 110 fixed connection, outside second concrete layer 130 was located to steel cylinder 110 cover, and with second concrete layer 130 fixed connection, be provided with first steel reinforcement cage 121 in the first concrete layer 120, be provided with second steel reinforcement cage 131 in the second concrete layer 130. Compared with the prior art, the utility model provides a reinforced concrete pressure pipe 100 is owing to adopted the first steel reinforcement cage 121 that sets up in first concrete layer 120 and set up the second steel reinforcement cage 131 in second concrete layer 130, so can no longer use the high-strength steel wire to avoid the condition emergence of the brittle failure of high-strength steel wire, inefficacy, prevent to warp, the durability is high, and the security is strong, makes conduit 10 reliable and stable, and the practicality is strong.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a reinforced concrete pressure pipe, its characterized in that, includes steel cylinder, first concrete layer and second concrete layer, first concrete layer cover is located outside the steel cylinder, and with steel cylinder fixed connection, the steel cylinder cover is located outside the second concrete layer, and with second concrete layer fixed connection, be provided with first steel reinforcement cage in the first concrete layer, be provided with second steel reinforcement cage in the second concrete layer.

2. The reinforced concrete pressure pipe as claimed in claim 1, wherein the first reinforcement cage includes a plurality of first support ribs and a plurality of first return ribs, the plurality of first support ribs are spaced apart and distributed in a ring shape, and the first return ribs are respectively fixedly connected to the plurality of first support ribs.

3. The reinforced concrete pressure pipe as claimed in claim 2, wherein said first gyrating rib is wound around a plurality of said first supporting ribs, said first gyrating rib being disposed on a side of said first supporting ribs remote from said steel cylinder.

4. The reinforced concrete pressure pipe as claimed in claim 2, wherein the first returning rib and the first supporting rib are both cold-rolled ribbon rib steel ribs or hot-rolled twisted steel ribs.

5. The reinforced concrete pressure pipe as claimed in claim 1, wherein the second reinforcement cage includes a plurality of second support ribs and a plurality of second return ribs, the plurality of second support ribs are spaced apart and distributed in a ring shape, and the second return ribs are respectively fixedly connected to the plurality of second support ribs.

6. The reinforced concrete pressure pipe as claimed in claim 5, wherein said second turnabout rib is provided in a plurality of said second support ribs, said second turnabout rib being provided on a side of said second support ribs remote from said steel cylinder.

7. The reinforced concrete pressure pipe as claimed in claim 1, wherein the number of the first reinforcement cages is plural, the diameters of the plural first reinforcement cages are different from each other, and the plural first reinforcement cages are coaxially arranged at intervals.

8. Reinforced concrete pressure pipe according to claim 1, wherein the thickness of the steel cylinder ranges from 1.5 mm to 20 mm.

9. The reinforced concrete pressure pipe as claimed in claim 1, wherein the reinforced concrete pressure pipe further comprises a socket ring, a socket ring and a rubber ring, the socket ring and the socket ring are oppositely connected to both ends of the steel cylinder, an annular groove is formed on the socket ring, and the rubber ring is sleeved in the annular groove.

10. A water transport pipeline comprising a reinforced concrete pressure pipe as claimed in any one of claims 1 to 9.

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