CN201739649U

CN201739649U - Socket prestressed reinforced concrete pipe with water check rings

Info

Publication number: CN201739649U
Application number: CN2008201442447U
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: 2011-02-09
Anticipated expiration: 2018-12-10

Abstract

The utility model relates to a socket prestressed reinforced concrete pipe with water check rings, which comprises a bellmouth, a spigot, a framework of steel reinforcement, a concrete pipe core, a prestressed wire and a protecting layer, wherein the bellmouth and the spigot are arranged at two ends of the concrete pipe core, the framework of steel reinforcement is coaxially embedded in the concrete pipe core, the prestressed wire is wound on the outer wall of the concrete pipe core, the protecting layer is fixedly arranged on the outer walls of the prestressed wire and the concrete pipe core, a water check ring is fixedly arranged on the bellmouth in the concrete pipe core, and a water check ring is fixedly arranged on the spigot in the concrete pipe core. The socket prestressed reinforced concrete pipe with water check rings has simple integral structure, is designed scientifically and reasonably, has higher anti-permeability and lower cost, is convenient to install, and can effectively prevent increase of internal water pressure.

Description

The faucet prestress reinforced concrete pipe of band water blocking ring

Technical field

The utility model relates to concrete plug, especially a kind of faucet prestress reinforced concrete pipe with water blocking ring.

Background technique

In municipal administration, water conservancy, electric power, urban water supply system, often use concrete duct at present, and the steel faucet prestressed concrete pipe occupies very big market in bigbore concrete duct is used, 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; this kind pipe structure comprises: bellmouth; socket; Framework Of Steel Reinforcement; the concrete tube core; reinforcement wire and protective layer; bellmouth 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; though the concrete plug of this kind 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 bellmouth or 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 bellmouth and 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, impermeability is stronger, cost is lower, and is easy for installation, can effectively resist the faucet prestress reinforced concrete pipe of the 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 faucet prestress reinforced concrete pipe with water blocking ring; constitute by bellmouth, socket, 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 bellmouth of concrete pipe in-core, install a water blocking ring, on the socket of concrete pipe in-core, install a water blocking ring.

And, the coaxial water blocking ring that installs on the outer wall of the bellmouth of described concrete pipe in-core, the coaxial water blocking ring that installs on the outer wall of the socket of concrete pipe in-core.

And, the coaxial water blocking ring that installs on the inwall of the bellmouth of described concrete pipe in-core, the coaxial water blocking ring that installs on the outer wall of the socket of concrete pipe in-core.

And, the coaxial water blocking ring that installs on the outer wall of the bellmouth of described concrete pipe in-core, the coaxial water blocking ring that installs on the inwall of the socket of concrete pipe in-core.

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

2. install a water blocking ring respectively on the bellmouth of the concrete pipe in-core of the faucet prestress reinforced concrete pipe of this band water blocking ring and the socket, this water blocking ring can be packed on the inwall or outer wall of bellmouth and socket, have and strengthen bellmouth and the effect of socket end concrete strength, improve pipeline jointing in installation process ability that is hit.

3. the faucet prestress reinforced concrete pipe of this 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 faucet prestress reinforced concrete pipe of this 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 faucet prestress reinforced concrete pipe of the 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 respectively on bellmouth and 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 respectively on bellmouth and 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 faucet prestress reinforced concrete pipe of this band water blocking ring; by bellmouth 9; socket 1; Framework Of Steel Reinforcement 4; concrete tube core 5; reinforcement wire 6; protective layer 7 constitutes; the two ends of concrete tube core are shaped on bellmouth and socket respectively; bellmouth and socket are steel; 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 socket is connected with bellmouth; 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 8 on the bellmouth of concrete pipe in-core; on the socket of concrete pipe in-core, install a water blocking ring 3; these two water blocking ring can coaxially respectively as shown in Figure 1 be packed on the inwall of the bellmouth of concrete pipe in-core and socket; also can coaxially respectively as shown in Figure 4 be packed on the outer wall of the bellmouth of concrete pipe in-core and socket; two water blocking ring also can an outer wall that be packed in concrete pipe in-core bellmouth; an inwall that is packed in concrete pipe in-core socket; perhaps on the inwall that is packed in concrete pipe in-core bellmouth; on the outer wall that is packed in concrete pipe in-core socket; 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 faucet prestress reinforced concrete pipe of common 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 faucet prestress reinforced concrete pipe of being with water blocking ring, prop up socket or bellmouth, 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. faucet prestress reinforced concrete pipe with water blocking ring; constitute by bellmouth, socket, 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 bellmouth of concrete pipe in-core, install a water blocking ring, on the socket of concrete pipe in-core, install a water blocking ring.

2. the faucet prestress reinforced concrete pipe of band water blocking ring according to claim 1, it is characterized in that: the coaxial water blocking ring that installs on the outer wall of the bellmouth of described concrete pipe in-core, the coaxial water blocking ring that installs on the outer wall of the socket of concrete pipe in-core.

3. the faucet prestress reinforced concrete pipe of band water blocking ring according to claim 1, it is characterized in that: the coaxial water blocking ring that installs on the inwall of the bellmouth of described concrete pipe in-core, the coaxial water blocking ring that installs on the outer wall of the socket of concrete pipe in-core.

4. the faucet prestress reinforced concrete pipe of band water blocking ring according to claim 1, it is characterized in that: the coaxial water blocking ring that installs on the outer wall of the bellmouth of described concrete pipe in-core, the coaxial water blocking ring that installs on the inwall of the socket of concrete pipe in-core.

5. the faucet prestress reinforced concrete pipe of band water blocking ring according to claim 1, it is characterized in that: the coaxial water blocking ring that installs on the inwall of the bellmouth of described concrete pipe in-core, the coaxial water blocking ring that installs on the inwall of the socket of concrete pipe in-core.

6. according to the faucet prestress reinforced concrete pipe of claim 1 or 2 or 3 or 4 or 5 described band water blocking ring, it is characterized in that: the cross section of described water blocking ring is rectangle or circle.

7. according to the faucet prestress reinforced concrete pipe of claim 1 or 2 or 3 or 4 or 5 described band water blocking ring, it is characterized in that: described socket outer wall radially is shaped on 1-3 groove or boss.

8. the faucet prestress reinforced concrete pipe of 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.

9. the faucet prestress reinforced concrete pipe of 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.

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