CN201875296U

CN201875296U - Prestressed reinforced concrete pipe with spigots with water blocking rings

Info

Publication number: CN201875296U
Application number: CN2008201442466U
Authority: CN
Inventors: 赵斌; 张亮
Original assignee: Tianjin Waterline Pipeline Engineering Co Ltd
Current assignee: Tianjin Waterline Pipeline Engineering Co Ltd
Priority date: 2008-12-10
Filing date: 2008-12-10
Publication date: 2011-06-22
Anticipated expiration: 2018-12-10

Abstract

The utility model relates to a prestressed reinforced concrete pipe with spigots with water blocking rings. The prestressed reinforced concrete comprises spigots, bellmouths, a reinforcing steel bar framework, a concrete pipe core, a prestressed steel wire and a protective layer, wherein both ends of the concrete pipe core are provided with the bellmouths and the spigots; the interior of the concrete pipe core is coaxially embedded with the reinforcing bar framework; the outer wall of the concrete pipe core is wound with the prestressed wire; and the prestressed wire and the outer wall of the concrete pipe core are fixedly provided with the protective layer, wherein the spigots in the concrete pipe core are fixedly provided with the water blocking rings. The prestressed reinforced concrete with the spigots with the water blocking rings has simple overall structure, scientific and reliable design, stronger anti-permeability and lower cost, is convenient to install and can effectively resist the increased internal water pressure.

Description

The prestressed reinforced concrete pipe of socket band water blocking ring

Technical field

The utility model relates to concrete plug, especially a kind of prestressed reinforced concrete pipe of socket band water blocking ring.

Background technique

The structure of prestressed reinforced concrete pipe comprises: socket, socket, Framework Of Steel Reinforcement, concrete tube core, reinforcement wire and protective layer, socket and socket are packed in the two ends of concrete tube core, the coaxial concrete pipe in-core that is inlaid in of Framework Of Steel Reinforcement, reinforcement wire is wrapped on the outer wall of concrete tube core, protective layer is packed on the outer wall of reinforcement wire and concrete tube core, its advantage is conspicuous, for example: 1. have the ability of resisting external pressure load and internal water pressure preferably; 2. the connection technology of steel bell and spigot is simple, easy construction; 3. have the ability of resisting uneven settlement preferably, or the like, the advantage of aforementioned tubes is inseparable with its concrete structure.Prestressed reinforced concrete pipe occupies very big market in bigbore concrete duct is used in municipal administration, water conservancy, electric power, urban water supply system at present.Though the concrete plug of said structure has certain advantage than other concrete plug, but need in actual applications the pitch of the intensity of concrete tube core and winding steel wire specifically to be set to adapt to different internal water pressure values according to operating mode, when the pitch one of the intensity of concrete tube core and winding steel wire regularly, internal water pressure increases 0.1Mpa concrete tube core seepage to some extent reaching the standard grade of critical field, and most seepages occur in concrete and steel socket seam crossing, if adopt the method that improves concrete strength and increase winding steel wire pitch to solve the leakage problems of tubing spigot, that production cost can increase considerably, the profit margin scaled-back of enterprise influences economic benefit of enterprises.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of simple in structure, and design science is reasonable, and impermeability is stronger, and cost is lower, and is easy for installation, can effectively resist the prestressed reinforced concrete pipe of the socket band water blocking ring of internal water pressure increase.

The utility model solves its technical problem and is achieved through the following technical solutions:

A kind of prestressed reinforced concrete pipe of socket band water blocking ring; constitute by socket, bellmouth, Framework Of Steel Reinforcement, concrete tube core, reinforcement wire, protective layer; be shaped on bellmouth and socket at the two ends of concrete tube core; at the coaxial Framework Of Steel Reinforcement that is embedded with of concrete pipe in-core; on the outer wall of concrete tube core, be wound with reinforcement wire; be fixed with protective layer on the outer wall of reinforcement wire and concrete tube core, wherein on the socket of concrete pipe in-core, install a water blocking ring.

And described water blocking ring is coaxial to be packed on the outer wall of socket of concrete pipe in-core.

And described water blocking ring is coaxial to be packed on the inwall of socket of concrete pipe in-core.

And the cross section of described water blocking ring is rectangle or circle.

And described socket outer wall radially is shaped on 1-3 groove or boss.

And described Framework Of Steel Reinforcement forms for being installed by the vertical muscle of N root, and the span of N is 1≤N≤50.

And described Framework Of Steel Reinforcement is for to install the cylindrical reinforcing bar cage that forms by circumferential reinforcement and longitudinal steel bar.

And described protective layer is cement mortar protective course or concrete cover.

Advantage of the present utility model and beneficial effect are:

1. install a water blocking ring on the socket in the concrete of the prestressed reinforced concrete pipe of this socket band water blocking ring, can effectively prevent the fluid seepage of socket steel plate and concrete tube core seam crossing, increase the ability that tubing integral body is resisted internal water pressure, cost is lower, technology is simple, and is easy for installation.

2. install a water blocking ring on the socket in the concrete of the prestressed reinforced concrete pipe of this socket band water blocking ring and also have the effect of the socket of enhancing concrete strength, improve pipeline jointing in installation process ability that is hit.

3. the prestressed reinforced concrete pipe of this socket band water blocking ring adopts the flexible faucet structure of rubber sealing, the socket outer wall radially is shaped on 1-3 groove or boss, the space that each groove and boss form can install O-ring seal additional, has good joint Watertightness, and constructing operation is easy, tube material and tube wall is thin, and the body own wt is lighter, and the opposing uneven settlement is very capable.

4. the concrete pipe in-core portion of the prestressed reinforced concrete pipe of this socket band water blocking ring adopts the form of having only vertical muscle or cylindrical reinforcing bar cage, technology is made simple, greatly reduce the fabricating cost of tubing, saved the molding time of whole tubing, improved the manufacturing efficiency of tubing.

5. the utility model overall structure is simple, and design science is reasonable, and impermeability is stronger, and cost is lower, and is easy for installation, can effectively resist the prestressed reinforced concrete pipe of the socket band water blocking ring of internal water pressure increase.

Description of drawings

Fig. 1 is the utility model structural representation (water blocking ring is packed in the socket inwall);

Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view;

Fig. 3 is that the B-B of Fig. 1 is to cross-sectional view;

Fig. 4 is the utility model structural representation (water blocking ring is packed in the socket outer wall).

Embodiment

The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.

The prestressed reinforced concrete pipe of this socket band water blocking ring; by bellmouth 8; socket 1; Framework Of Steel Reinforcement 4; concrete tube core 5; reinforcement wire 6; protective layer 7 constitutes; bellmouth and socket are steel; and be packed in the two ends of concrete tube core respectively; the socket outer wall radially is shaped on 1-3 groove or boss; the present embodiment accompanying drawing is depicted as the socket outer wall and is shaped on 2 grooves 2; when bellmouth is connected with socket; in the socket groove O-ring seal can be installed; Framework Of Steel Reinforcement is inlaid in the concrete pipe in-core; this Framework Of Steel Reinforcement can form for being installed by the vertical muscle of N root; the span of N is 1≤N≤50, also can be for installed the cylindrical reinforcing bar cage that forms by circumferential reinforcement and longitudinal steel bar.Present embodiment adopts the Framework Of Steel Reinforcement form of having only vertical muscle; and the quantity N of vertical muscle is 8; the coaxial uniform concrete pipe in-core that is packed in; protective layer is on the concrete pipe outer core; protective layer is cement mortar protective course or concrete cover; present embodiment is a cement mortar protective course; reinforcement wire is wrapped on the interior concrete pipe outer core of protective layer; innovative point of the present utility model is: install a water blocking ring 3 on the socket in the concrete; this water blocking ring can coaxially as shown in Figure 1 be packed on the inwall of the socket in the concrete; also can coaxially as shown in Figure 4 be packed on the outer wall of the socket in the concrete; the cross section of this water blocking ring can be rectangle or circle, and the cross section of present embodiment water blocking ring shown in the drawings is a rectangle.

Quantity 2≤N≤50 of the vertical muscle in the utility model concrete tube core o'clock, can adopt the production method of the prestressed reinforced concrete pipe of common socket band water blocking ring to realize, when the quantity N=1 of the vertical muscle in the concrete tube core, can add support at the mould of the prestressed reinforced concrete pipe of socket band water blocking ring, prop up socket or socket, to reach the purpose of cast, other technology is with adopting common prestress steel sleeve concrete pipe production method.

Joint socket of the present utility model is a flexible interface, therefore has good Watertightness, even also can effectively ensure the seal of whole pipeline under the situation of foundation settlement, and prevents that effectively fed sheet of a media from leaking.Because the utility model also is a reinforced concrete construction,, reduced the difficulty and the construction cost of construction, and maintenance maintenance is simply easy so can resist sizable external pressure load.

Claims

1. the prestressed reinforced concrete pipe of a socket band water blocking ring; constitute by socket, bellmouth, Framework Of Steel Reinforcement, concrete tube core, reinforcement wire, protective layer; be shaped on bellmouth and socket at the two ends of concrete tube core; at the coaxial Framework Of Steel Reinforcement that is embedded with of concrete pipe in-core; on the outer wall of concrete tube core, be wound with reinforcement wire; be fixed with protective layer on the outer wall of reinforcement wire and concrete tube core, it is characterized in that: on the socket of concrete pipe in-core, install a water blocking ring.

2. the prestressed reinforced concrete pipe of socket band water blocking ring according to claim 1 is characterized in that: described water blocking ring is coaxial to be packed on the outer wall of socket of concrete pipe in-core.

3. the prestressed reinforced concrete pipe of socket band water blocking ring according to claim 1 is characterized in that: described water blocking ring is coaxial to be packed on the inwall of socket of concrete pipe in-core.

4. according to the prestressed reinforced concrete pipe of claim 1 or 2 or 3 described socket band water blocking ring, it is characterized in that: the cross section of described water blocking ring is rectangle or circle.

5. according to the prestressed reinforced concrete pipe of claim 1 or 2 or 3 described socket band water blocking ring, it is characterized in that: described socket outer wall radially is shaped on 1-3 groove or boss.

6. the prestressed reinforced concrete pipe of socket band water blocking ring according to claim 1 is characterized in that: described Framework Of Steel Reinforcement forms for being installed by the vertical muscle of N root, and the span of N is 1≤N≤50.

7. the prestressed reinforced concrete pipe of socket band water blocking ring according to claim 1 is characterized in that: described Framework Of Steel Reinforcement is for to install the cylindrical reinforcing bar cage that forms by circumferential reinforcement and longitudinal steel bar.

8. the prestressed reinforced concrete pipe of socket band water blocking ring according to claim 1 is characterized in that: described protective layer is cement mortar protective course or concrete cover.