CN217108488U - Structure for improving differential settlement adjusting capability of large-section pipe jacking composite pipe joint - Google Patents
Structure for improving differential settlement adjusting capability of large-section pipe jacking composite pipe joint Download PDFInfo
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- CN217108488U CN217108488U CN202220200439.9U CN202220200439U CN217108488U CN 217108488 U CN217108488 U CN 217108488U CN 202220200439 U CN202220200439 U CN 202220200439U CN 217108488 U CN217108488 U CN 217108488U
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Abstract
The utility model discloses a structure for improving the differential settlement adjusting capability of a large-section pipe-jacking composite pipe joint, which is arranged between two steel pipe joints connected end to end; comprises a female opening and a male opening which are respectively positioned on two steel pipe joints and are mutually matched and connected; a stepped structure is arranged at one end of the female opening, which faces the male opening, and the part with smaller external dimension in the stepped structure is sleeved in the interface steel sleeve ring; at least three steel rings and corresponding elastic sealing gaskets are arranged between the male opening and the interface steel lantern ring along the axial direction; a water-swelling rubber is arranged between one end of the interface steel sleeve ring facing the male opening and the appearance size mutation position of the stepped structure for caulking; the male opening and the female opening are fastened through bolts. The utility model discloses an use and to ensure the continuity that the tube coupling is connected when taking place to warp between the tube coupling, improve the difference settlement adjustment ability of tube coupling.
Description
Technical Field
The utility model relates to the technical field of, in particular to improve big section push pipe composite pipe section joint difference and subside the structure of regulating power.
Background
Along with more and more in municipal works field application of push pipe, the section of push pipe is also bigger and bigger. For large-section jacking pipes, in order to facilitate road transportation and on-site hoisting and assembling, the jacking pipe joints usually adopt a steel-concrete composite structure to reduce the weight of a single pipe joint.
For pipe jacking engineering, the connection of pipe joints is the most important thing, and the quality and the safety of the whole engineering are concerned. Meanwhile, the jacking pipe belongs to linear engineering, the passing geological condition and the surrounding environment are complex, particularly in a soft soil area, the soil body is low in strength, high in compressibility and complex and changeable in geological condition, and large uneven settlement is easy to generate, so that the pipe joint is cracked and damaged.
In view of the above situation, in the existing pipe jacking structure, the rigidity of the whole pipe jacking is increased through rigid connection of pipe joints, and meanwhile, the foundation is reinforced, so that the total settlement of the pipe jacking is reduced, and further the differential settlement between the pipe joints is reduced.
However, in practical application, the pipe joints are connected in a completely rigid manner, the differential settlement adjusting capability is weak, measures such as foundation reinforcement are required, and the cost is high.
Therefore, how to ensure the continuity between pipe joints and improve the differential settlement adjusting capability of the pipe joints is a technical problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model provides an improve the structure that the compound pipe coupling joint difference of large-section push pipe subsides the regulating power, the continuity of connecting between the pipe coupling when taking place to warp is ensured to the purpose of realization, improves the difference of pipe coupling and subsides the regulating power.
In order to realize the purpose, the utility model discloses a differential settlement structure of a large-section pipe-jacking composite pipe joint, which is arranged between two steel pipe joints connected end to end; the steel pipe joint comprises a female opening and a male opening which are respectively positioned on the two steel pipe joints, matched with each other and connected with each other.
One end of the female opening, which faces the male opening, is provided with an interface steel lantern ring, the appearance of which is matched with that of the corresponding steel pipe joint;
the male notch is provided with an inwards concave annular tongue-and-groove matched with the interface steel sleeve ring at a position corresponding to the interface steel sleeve ring to form a stepped structure, the overall dimension of the part close to the female notch is smaller than that of the part far away from the female notch, and the part with smaller overall dimension in the stepped structure is sleeved in the interface steel sleeve ring;
the part of the male port sleeved in the interface steel sleeve ring and the interface steel sleeve ring are axially arranged at least three steel rings, and an annular elastic sealing gasket is arranged between every two adjacent steel rings;
the inner side of one end, facing the male opening, of the interface steel sleeve ring is provided with a conical surface which is smaller than the male opening and has a larger inner hole size;
water-swelling rubber is arranged between the conical surface and the sudden change position of the overall dimension of the stepped structure for caulking;
the end face of the part, sleeved in the interface steel sleeve ring, of the male opening and the end face, facing the male opening and connected with the interface steel sleeve ring, of the female opening are provided with matched bolt holes, and the male opening and the end face connected with the interface steel sleeve ring are fastened by arranging bolts in the bolt holes.
Preferably, the cross-sectional dimensions of the female opening and the male opening are 2/3 of the corresponding cross-sectional dimension H of the steel pipe joint.
Preferably, a single-component rainwater expansion sealant is adopted to seal the connecting joint between the two steel pipe joints at the position aligned with the connecting joint of the steel pipe joints;
the connection seams are provided with butyronitrile cork rubber and a middle buried water stop.
Preferably, each steel pipe section, and the corresponding female opening or the corresponding male opening are provided with concrete pouring openings.
Preferably, each elastic sealing gasket is made of neoprene.
The utility model has the advantages that:
the utility model discloses an use and to ensure the continuity that the tube coupling is connected when taking place to warp between the tube coupling, improve the difference settlement adjustment ability of tube coupling.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is a schematic view showing a connection structure between a female port and a male port according to an embodiment of the present invention.
Fig. 2 shows a schematic view of a connection structure between two steel pipe joints in an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1 to fig. 1, the structure for improving the differential settlement adjusting capability of the large-section pipe-jacking composite pipe joint is arranged between two steel pipe joints which are connected end to end; comprises a female opening 1 and a male opening 2 which are respectively positioned on two steel pipe joints and are matched and connected with each other.
Wherein, one end of the female opening 1 facing the male opening 2 is provided with an interface steel lantern ring 3 with the shape matched with that of the corresponding steel pipe section;
the male notch 2 is provided with an inwards concave annular tongue-and-groove matched with the interface steel lantern ring 3 corresponding to the interface steel lantern ring 3, a stepped structure is formed, wherein the external dimension of the part close to the female notch 1 is smaller than that of the part far away from the female notch 1, and the part with the smaller external dimension in the stepped structure is sleeved in the interface steel lantern ring 3;
at least three steel rings 6 are axially arranged between the part of the male opening 2 sleeved in the interface steel lantern ring 3 and the interface steel lantern ring 3, and an annular elastic sealing gasket 4 is arranged between every two adjacent steel rings 6;
the inner side of one end of the interface steel lantern ring 3 facing the male opening 2 is provided with a conical surface which is smaller than the male opening 2 and has larger inner hole size;
water-swelling rubber 5 is arranged between the conical surface and the sudden change position of the overall dimension of the stepped structure for caulking;
the terminal surface of the part that the male opening 2 cup jointed in the interface steel lantern ring 3 is equipped with the bolt hole of matcing with the terminal surface that female opening 1 is connected towards male opening 2 and interface steel lantern ring 3, fastens through setting up bolt 7 in the bolt hole.
In certain embodiments, the female 1 and male 2 ports have a cross-sectional dimension of 2/3 of the cross-sectional dimension H of the corresponding steel tube section.
In some embodiments, a single-component rainwater expansion sealant 10 is used for sealing the connecting joint between two steel pipe sections at the position aligned with the connecting joint of the steel pipe sections;
the connection seam is provided with a butyronitrile cork rubber 11 and a middle buried water stop 12.
As shown in figure 2, after the steel pipe joints are connected, single-component rainwater expansion sealant 10 is firstly adopted to seal the joints at the positions aligned with the joint joints of the steel pipe joints, nitrile cork rubber 11 and a buried water stop 12 are arranged at the positions aligned with the joint joints of the steel pipe joints, and finally concrete is poured after through a reserved concrete pouring hole 8 in the pipe joints to form an integral composite pipe joint structure.
In a stratum with simple geological conditions and good soil property, the nitrile cork rubber 11 and the buried water stop 12 are not required to be arranged.
In some embodiments, each steel pipe section, and either the corresponding female port 1 or the corresponding male port 2, is provided with a concrete pouring port 8.
The utility model discloses implement the concrete pipe section again at interval 3-6 months after the completion at the steel pipe section, the difference subsides coordination effect better.
In some embodiments, each resilient seal 4 is made of neoprene.
In practical application, after the whole steel pipe joint jacking pipe is constructed, the post-cast concrete 9 is constructed to form a pipe joint structure, and the steel pipe joint connection structure and the pipe joint connection structure formed by the post-cast concrete 9 are weakened, so that on one hand, induced deformation occurs at the pipe joint, on the other hand, the continuity of connection between the pipe joints when the pipe joints deform is ensured through the interface steel lantern ring on the steel pipe joints, and the differential settlement adjusting capability of the pipe joints is improved.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. The structure for improving the differential settlement adjusting capability of the large-section pipe jacking composite pipe joint is arranged between two end-to-end connected steel pipe joints; the steel pipe joint is characterized by comprising a female opening (1) and a male opening (2) which are respectively positioned on the two steel pipe joints and are matched and connected with each other;
one end of the female opening (1) facing the male opening (2) is provided with a connector steel lantern ring (3) with the shape matched with that of the corresponding steel pipe joint;
the male notch (2) is provided with a concave annular tongue-and-groove matched with the interface steel lantern ring (3) at a position corresponding to the interface steel lantern ring (3), a step structure is formed, wherein the external dimension of the part close to the female notch (1) is smaller than the external dimension of the part far away from the female notch (1), and the part with smaller external dimension in the step structure is sleeved in the interface steel lantern ring (3);
the male opening (2) is sleeved between the part in the interface steel lantern ring (3) and the interface steel lantern ring (3), at least three steel rings (6) are arranged along the axial direction, and an annular elastic sealing gasket (4) is arranged between every two adjacent steel rings (6);
the inner side of one end, facing the male opening (2), of the interface steel lantern ring (3) is provided with a conical surface which is away from the male opening (2) and has a smaller inner hole size and a larger inner hole size;
a water-swelling rubber (5) is arranged between the conical surface and the sudden change position of the overall dimension of the stepped structure for caulking;
the male opening (2) is sleeved on the end face of the part in the interface steel lantern ring (3) and the female opening (1) faces towards the male opening (2) and the end face connected with the interface steel lantern ring (3) is provided with a matched bolt hole, and the male opening is fastened by arranging a bolt (7) in the bolt hole.
2. The structure for improving the differential settlement adjusting capability of the large-section pipe-jacking composite pipe joint according to claim 1, wherein the section sizes of the female port (1) and the male port (2) are 2/3 of the section size H of the corresponding steel pipe joint.
3. The structure for improving the differential settlement adjusting capability of the joint of the large-section pipe-jacking composite pipe joint according to claim 1, wherein a single-component rainwater expansion sealant (10) is adopted to seal the joint between the two steel pipe joints at the position aligned with the joint;
the connection seams are provided with butyronitrile cork rubber (11) and a buried water stop (12).
4. The structure for improving the differential settlement adjusting capability of the large-section pipe-jacking composite pipe joint according to claim 1, wherein each steel pipe joint, and the corresponding female port (1) or the corresponding male port (2) is provided with a concrete pouring port (8).
5. The structure for improving the differential settlement adjusting capability of the large-section pipe-jacking composite pipe joint according to claim 1, wherein each elastic sealing gasket (4) is made of neoprene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220200439.9U CN217108488U (en) | 2022-01-25 | 2022-01-25 | Structure for improving differential settlement adjusting capability of large-section pipe jacking composite pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220200439.9U CN217108488U (en) | 2022-01-25 | 2022-01-25 | Structure for improving differential settlement adjusting capability of large-section pipe jacking composite pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217108488U true CN217108488U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220200439.9U Active CN217108488U (en) | 2022-01-25 | 2022-01-25 | Structure for improving differential settlement adjusting capability of large-section pipe jacking composite pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217108488U (en) |
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2022
- 2022-01-25 CN CN202220200439.9U patent/CN217108488U/en active Active
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