CN208331469U - Unbonded prestressed concrete pipe - Google Patents
Unbonded prestressed concrete pipe Download PDFInfo
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- CN208331469U CN208331469U CN201820790331.3U CN201820790331U CN208331469U CN 208331469 U CN208331469 U CN 208331469U CN 201820790331 U CN201820790331 U CN 201820790331U CN 208331469 U CN208331469 U CN 208331469U
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- socket
- tube body
- bellmouth
- prestressed concrete
- groove
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Abstract
The utility model discloses a kind of unbonded prestressed concrete pipes, its key points of the technical solution are that including tube body, tube body one end is provided with bellmouth, the other end is provided with socket, only sealing groove and accommodation groove equipped with annular are spaced apart on the outer peripheral surface of socket, accommodation groove is located at only between sealing groove and tube body, only O-ring seal is mounted in sealing groove, O-shaped rubber ring is mounted in accommodation groove, the rectangular in cross-section of accommodation groove, it, which is internally provided with, holds out against component, holding out against component includes several compressed springs using socket as center of circle circumference array in the accommodating groove bottom wall, the axis of compressed spring is directed toward the axis of socket, compressed spring is fixedly connected with curved roof away from one end of the socket, it is spaced between adjacent top plate.The pipe of concrete of the utility model increases the installation gap that bell and spigot goes out, and solves the problems, such as that traditional tube body joint is easily destroyed, tube body is facilitated to install.
Description
Technical field
The utility model relates to a kind of for conveying or the tubing of fluid storage medium, in particular to a kind of soap-free emulsion polymeization are answered in advance
Power pipe of concrete.
Background technique
Mainly three stage prestressing techniques is used to make in prestressed concrete pipe road production field at present, it is external
There are nearly 50 years developing histories, be very mature technology, is other tubing because its service life is long, good characteristic of good airproof performance
It cannot replace.
But there is also some problems, such as prestressed concrete during manufacture and use for traditional prestressed concrete pipe
Pipe steel bell and spigot joint installs gap regulation and only has Δ=1mm, and installation accuracy is high, is not easy smoothly to install during the installation process,
As jacking by force reduces the load resistant power of pipeline, influence service life easily by the local joint concrete destruction of pipe.
Utility model content
The purpose of this utility model is to provide a kind of unbonded prestressed concrete pipes, it increases the peace that bell and spigot goes out
Gap is filled, tube body is facilitated to install.
The above-mentioned purpose of the utility model has the technical scheme that
A kind of unbonded prestressed concrete pipe, including tube body, described tube body one end is provided with bellmouth, the other end is provided with
Socket, is spaced apart only sealing groove and accommodation groove equipped with annular on the outer peripheral surface of the socket, and the accommodation groove, which is located at, described only to be sealed
Between slot and the tube body, it is mounted with O-ring seal in the only sealing groove, O-shaped rubber ring is mounted in the accommodation groove, it is described
The rectangular in cross-section of accommodation groove is internally provided with and holds out against component, and the component that holds out against includes several using socket as center of circle circumference
Compressed spring of the array in the accommodating groove bottom wall, the axis of compressed spring are directed toward the axis of socket, the compressed spring back
One end from the socket is fixedly connected with curved roof, spaced between the adjacent top plate.
It is when pipe of concrete is installed, the bellmouth of adjacent tubes, tap position is corresponding by using above-mentioned technical proposal, so
Socket is inserted into bellmouth afterwards, installation gap Δ=4mm of pipe of concrete, installation gap between the two increases, and reduces insertion
After a possibility that process is collided with makes the convenient smoothness of the installation process of tube body, and adjacent tubes are mating, it is placed in socket
On sealing ring and the conflict of rubber ring and adjacent bellmouth inner wall cooperate, adapted to form one after cooperating adjacent tubes
The sealed tube of a certain range of displacement and vibration, it is strong to adapt to soft foundation ability.
And when corner displacement occurs for adjacent tube body, bellmouth inner wall squeezes sealing ring and rubber ring, wherein holding
Displacement of the mouth between one end and socket of tube body is smaller, and the border of sealing ring remains to closely be clamped in bellmouth and insert
Between mouthful, and the one end of bellmouth far from tube body and the relative shift of its inside receptacle are larger, to make rubber ring away from bellmouth
The side of direction of displacement and the closer cooperation of socket are easy to produce gap towards the side of direction of displacement, influence tube body connection
Leakproofness afterwards；Component is held out against by setting, after rubber ring is by unidirectional pressure, rubber ring can be whole along pressure direction
Body shifts, and on the one hand the compressed spring of circle distribution generates the elastic force opposite with pressure direction by top plate, with bellmouth
The conflict that the pressure cooperation of generation keeps the rubber ring of the side compact is together；On the other hand bullet identical with pressure direction is generated
Power, elastic force push the rubber ring of respective side equally to contradict on the inner wall of bellmouth, to realize to the gap between bell and spigot close
Envelope, guarantees the leakproofness of tube body.
The utility model is further arranged to: rounded structure is arranged away from the top of tube body side in the rubber ring.
By using above-mentioned technical proposal, rounded structure makes rubber ring be inserted into more convenient operation stream during adjacent bellmouth
Freely.
The utility model is further arranged to: the bellmouth is cylindrical tube, and diameter is greater than the straight of the tube body port
Diameter；The socket is cylindrical tube, and the inside adaptation of diameter and bellmouth is provided with inclined-plane knot between the bellmouth and the tube body
The end of structure, the socket is provided with chamfering structure.
By using above-mentioned technical proposal, after socket and bellmouth cooperation, chamfering structure is bonded abutting with bevel structure, increases
The contact area of bellmouth and socket improves tube body leak preventing effect.
The utility model is further arranged to: annular groove, the ring are provided on the inclined surface of the chamfering structure
O-ring seal is provided in connected in star.
By using above-mentioned technical proposal, annular groove and O-ring seal cooperate, and further increase between socket and bellmouth
Leakproofness, to improve leak preventing effect.
The utility model is further arranged to: the tube body is made by plastic concrete, and it is pre- that soap-free emulsion polymeization is equipped in tube body
Prestress steel strand.
By using above-mentioned technical proposal, concrete tube body is made by plastic concrete, improves concrete workability, is easy
Guarantee the quality of concrete, very high water passing capacity is kept in the inner surface of tube body smooth guarantee runtime.And birdsmouth form is adopted
Kept fabrication and installation technique more simplified without being done preservative treatment with concrete joint, save permanent operation and maintenance cost.
Un-bonded prestressed steel strand is equipped with along axial reciprocating in pipe of concrete body, the two of un-bonded prestressed steel strand
End is fixed on the anchorage on tube body tube wall, and concrete tube body uses vertical one-time cast-forming technique of vibrating, and makes pre- answer
Power cover to reinforcement and tube core one-time cast-forming, improve the globality and protective layer anti-permeability performance of tube body.
In conclusion the utility model has the following beneficial effects:
1, by setting concrete tube body for tube body, installation gap Δ=4mm between bellmouth and socket is increased, is made
It is more convenient when tube body installation cooperation, and concrete joint keeps fabrication and installation technique more simplified, saves length without doing preservative treatment
Long operation and maintenance cost；
2, by the way that sealing ring and rubber ring are arranged on socket, dual-seal is carried out to the gap between bellmouth and socket,
Leak preventing effect after improving tube body installation；
3, component is held out against by being arranged between socket and rubber ring, rubber ring is made integrally to shift along pressure direction
Compact conflict is remained to afterwards on the inner wall of bellmouth, to guarantee the leakproofness between bell and spigot.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in embodiment after adjacent tubes installation；
Fig. 2 is the cross-sectional view of the line A-A along Fig. 1；
Fig. 3 is the portion C enlarged drawing in Fig. 2；
Fig. 4 is the cross-sectional view of the line B-B along Fig. 1.
In figure, 1, tube body；2, bellmouth；3, socket；31, stop sealing groove；32, accommodation groove；33, chamfering structure；34, annular is recessed
Slot；4, bevel structure；5, sealing ring；6, rubber ring；61, rounded structure；7, component is held out against；71, compressed spring；72, top plate.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: a kind of unbonded prestressed concrete pipe, as shown in Figure 1, including concrete tube body 1, the radial direction of tube body 1
Section is the shape of a hoof, and one end of tube body 1 has the concrete bellmouth 2 for connecting between Guan Yuguan, is had in the other end of tube body 1
There is concrete socket 3；As shown in Fig. 2, bellmouth 2 is cylindrical tube, and diameter is greater than the diameter of 1 port of tube body, sets between the two
Bevel structure 4 is equipped with to make bellmouth 2 and 1 inclined sliding transition of tube body；Socket 3 is cylindrical tube, the inside of diameter and bellmouth 2
Adaptation, installation gap Δ=4mm between the two.
Only sealing groove 31 and accommodation groove 32(reference Fig. 3 equipped with annular are spaced apart on the outer peripheral surface of socket 3), accommodation groove 32
In only between sealing groove 31 and tube body 1, stopping to be mounted with O-ring seal 5 in sealing groove 31, O-shaped rubber is mounted in accommodation groove 32
Circle 6, the rectangular in cross-section of accommodation groove 32, rubber ring 6 be entrenched in in accommodation groove 32 after, side wall is bonded with 32 side wall of accommodation groove
It is arranged, is spaced between bottom and the bottom wall of accommodation groove 32, and the promising rubber ring 6 of setting provides holding out against for pressure in interval
Component 7.
As shown in Figure 3, Figure 4, hold out against component 7 include it is several with socket 3 be center of circle circumference array on 32 bottom wall of accommodation groove
Compressed spring 71, the axis of compressed spring 71 is directed toward the axis of socket 3, and each compressed spring 71 is equal away from one end of socket 3
It is fixedly connected with curved roof 72, the extrados of top plate 72 is bonded abutting with the inner ring surface of rubber ring 6, and between adjacent top plate 72
There are activity surpluses, in order to avoid interfered when radially displaced.
It is when pipe of concrete is installed, the bellmouth 2 of adjacent tubes 1,3 position of socket is corresponding, socket 3 is then inserted into bellmouth 2
Interior, installation gap between the two increases, and reduces a possibility that insertion process is collided with, keeps the installation process of tube body 1 convenient
Smoothness, and after adjacent tubes 1 are mating, the sealing ring 5 and rubber ring 6 being placed on socket 3 are supported with adjacent 2 inner wall of bellmouth
Touching cooperation adapts to form the sealed tube for adapting to a certain range of displacement and vibration after cooperating adjacent tubes 1
Soft foundation ability is strong.
When corner displacement occurs for adjacent tube body 1,2 inner wall of bellmouth squeezes sealing ring 5 and rubber ring 6, wherein
Displacement of the bellmouth 2 between one end and socket 3 of tube body 1 is smaller, and the border of sealing ring 5 remains to closely be clamped in hold
Between mouth 2 and socket 3, and the one end of bellmouth 2 far from tube body 1 and the relative shift of its inside receptacle 3 are larger, to make rubber
Circle 6 is easy to produce gap away from the side of 2 direction of displacement of bellmouth and the closer cooperation of socket 3, towards the side of direction of displacement,
Influence the leakproofness after tube body 1 connects.
Component 7 is held out against by setting, after rubber ring 6 is by unidirectional pressure, rubber ring 6 can be whole along pressure direction
Body shifts, and on the one hand the compressed spring 71 of circle distribution generates the elastic force opposite with pressure direction by top plate 72, with
The conflict that the pressure cooperation that bellmouth 2 generates keeps the rubber ring 6 of the side compact is together；On the other hand it generates identical as pressure direction
Elastic force, elastic force push respective side rubber ring 6 equally contradict on the inner wall of bellmouth 2, thus to the gap between bell and spigot 3
It realizes sealing, guarantees the leakproofness of tube body 1.
As shown in figure 4, rounded structure 61 is arranged away from the top of 1 side of tube body in rubber ring 6, rubber ring 6 is made to be inserted into phase
More convenient operation is smooth during adjacent bellmouth 2.
Chamfering structure 33 is arranged in the end of 1 socket 3 of tube body, after socket 3 and bellmouth 2 cooperate, chamfering structure 33 and inclined-plane
The fitting of structure 4 abuts, and increases the contact area of bellmouth 2 and socket 3, improves leak preventing effect；In the inclined surface of chamfering structure 33
On offer annular groove 34, the O-ring seal 5 of size fit is equally set in annular groove 34, further increase leakproof effect
Fruit.
Concrete tube body 1 is made by plastic concrete, is improved concrete workability, is easily guaranteed that the quality of concrete, is managed
Very high water passing capacity is kept in 1 inner surface of the body smooth guarantee runtime.And birdsmouth form uses concrete joint, without doing
Preservative treatment keeps fabrication and installation technique more simplified, saves permanent operation and maintenance cost.
It is equipped with un-bonded prestressed steel strand (not shown) along axial reciprocating in concrete tube body 1, soap-free emulsion polymeization is pre-
The both ends of prestress steel strand are fixed on the anchorage on 1 tube wall of tube body, and concrete tube body 1 uses the vertical once-cast that vibrates
Moulding process makes prestress steel tendon protective layer and tube core one-time cast-forming, and globality and the protective layer for improving tube body 1 are impervious
Performance.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of unbonded prestressed concrete pipe, including tube body (1), described tube body (1) one end is provided with bellmouth (2), another
End be provided with socket (3), it is characterised in that: on the outer peripheral surface of the socket (3) be spaced apart equipped with annular only sealing groove (31) and
Accommodation groove (32), the accommodation groove (32) are stopped between sealing groove (31) and the tube body (1) positioned at described, in only sealing groove (31)
It is mounted with O-ring seal (5), is mounted with O-shaped rubber ring (6) in the accommodation groove (32), the section of the accommodation groove (32) is in
Rectangle is internally provided with and holds out against component (7), it is described hold out against component (7) include it is several with socket (3) be center of circle circumference array exist
Compressed spring (71) on accommodation groove (32) bottom wall, the axis of compressed spring (71) are directed toward the axis of socket (3), the pressure
Contracting spring (71) is fixedly connected curved roof (72) away from the one end of the socket (3), is stayed between the adjacent top plate (72)
There is interval.
2. unbonded prestressed concrete pipe according to claim 1, it is characterised in that: the rubber ring (6) is away from pipe
Rounded structure (61) are arranged in the top of body (1) side.
3. unbonded prestressed concrete pipe according to claim 1, it is characterised in that: the bellmouth (2) is cylinder
Pipe, and diameter is greater than the diameter of the tube body (1) port；The socket (3) is cylindrical tube, the inside of diameter and bellmouth (2)
It adapts to.
4. unbonded prestressed concrete pipe according to claim 3, it is characterised in that: the bellmouth (2) and the pipe
It is provided between body (1) bevel structure (4), the end of the socket (3) is provided with chamfering structure (33).
5. unbonded prestressed concrete pipe according to claim 4, it is characterised in that: chamfering structure (33) incline
It is provided on skewed surface annular groove (34), is provided with O-ring seal (5) in the annular groove (34).
6. unbonded prestressed concrete pipe according to claim 1, it is characterised in that: the tube body (1) is mixed by plasticity
Solidifying soil production.
7. unbonded prestressed concrete pipe according to claim 1, it is characterised in that: the radial direction of the tube body (1) is cut
Face is the shape of a hoof.
8. unbonded prestressed concrete pipe according to claim 1, it is characterised in that: be equipped in the tube body (1)
Un-bonded prestressed steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820790331.3U CN208331469U (en) | 2018-05-24 | 2018-05-24 | Unbonded prestressed concrete pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820790331.3U CN208331469U (en) | 2018-05-24 | 2018-05-24 | Unbonded prestressed concrete pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331469U true CN208331469U (en) | 2019-01-04 |
Family
ID=64775105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820790331.3U Active CN208331469U (en) | 2018-05-24 | 2018-05-24 | Unbonded prestressed concrete pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208331469U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030437A (en) * | 2019-04-19 | 2019-07-19 | 宁波冶金勘察设计研究股份有限公司 | Buried pipeline |
| WO2023232101A1 (en) * | 2022-06-02 | 2023-12-07 | 郝百顺 | Concrete pipe |
-
2018
- 2018-05-24 CN CN201820790331.3U patent/CN208331469U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030437A (en) * | 2019-04-19 | 2019-07-19 | 宁波冶金勘察设计研究股份有限公司 | Buried pipeline |
| WO2023232101A1 (en) * | 2022-06-02 | 2023-12-07 | 郝百顺 | Concrete pipe |
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