CN209100845U - A kind of armored concrete propulsion tube ring-groove-type joint connecting structure - Google Patents
A kind of armored concrete propulsion tube ring-groove-type joint connecting structure Download PDFInfo
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- CN209100845U CN209100845U CN201821752253.4U CN201821752253U CN209100845U CN 209100845 U CN209100845 U CN 209100845U CN 201821752253 U CN201821752253 U CN 201821752253U CN 209100845 U CN209100845 U CN 209100845U
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- pipe
- annular groove
- type joint
- propulsion
- ring
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- 239000004567 concrete Substances 0.000 title abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 239000011150 reinforced concrete Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 229920002943 EPDM rubber Polymers 0.000 claims description 5
- 239000010963 304 stainless steel Substances 0.000 claims description 4
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 239000012634 fragment Substances 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to a kind of armored concrete propulsion tube ring-groove-type joint connecting structures, including pipe and annular groove type joint after propulsion tube front tube, propulsion tube；The fixing sleeve of annular groove type joint is set in propulsion tube front tube, rear end is connect as extended segment with the seal of tube after propulsion tube, the corresponding fragment position that extends of pipe is provided with the heavy platform for accommodating extended segment after propulsion tube, extended segment is placed in heavy platform, extended segment includes first annular groove and seal section, the bottom of first annular groove is butted on the outer peripheral surface of the heavy platform of pipe after propulsion tube, sealing ring is provided with after seal section and propulsion tube between pipe outer ring, one end that ring-groove-type connector is placed on propulsion tube front tube has the second annular groove for the outer peripheral surface notch for being placed in propulsion tube front tube.The antiseepage leakproof of the utility model junction, and can be realized by first annular groove the deflection or deformation of propulsion tube tube body junction low-angle, it is good so as to the bad sedimentation of anti-geology, shock resistance；Meanwhile curve propulsion can be coped with.
Description
Technical Field
The utility model belongs to the technical field of the building engineering technique and specifically relates to a reinforced concrete impels pipe ring cell type joint connection structure.
Background
The municipal sewage pipe network is a necessary infrastructure for municipal construction, and is a fundamental measure for collecting municipal sewage to a sewage treatment plant, preventing the sewage from permeating into underground water and protecting the underground water environment. The normal use of municipal pipe networks is closely related to the life of people.
The sewage pipe network in the city is laid by a pipe jacking machine, and a concrete propelling pipe is used as a sewage channel. The inner diameter of the concrete propelling pipe is 300mm to 1000mm, and the pipeline joint adopts a flat type, a tongue-and-groove type or a bell and spigot type. In recent years, municipal sewage concrete pipelines are often rusted and damaged due to long-term contact with sewage and underground water; or the pipeline is deviated due to geological uneven settlement, and the joint is disconnected; thereby causing the problems of unsmooth sewage discharge, sewage leakage, water and soil environment pollution and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the ring groove type joint connecting structure of the reinforced concrete propelling pipe solves the problems that a plain type joint, a tongue-and-groove type joint or a bell and spigot type joint of a concrete propelling pipe cannot be prevented from being corroded and damaged, the joint is disengaged and the like.
The utility model discloses the technical scheme who adopts does: the utility model provides a reinforced concrete impels pipe ring cell type joint connection structure which characterized in that: comprises a propelling pipe front pipe, a propelling pipe rear pipe and a ring groove type joint for connecting the propelling pipe front pipe and the propelling pipe rear pipe;
the ring groove type joint is annular;
the front end of the annular groove type joint is sleeved and axially fixed on the front pipe of the propelling pipe, and the rear end of the annular groove type joint is used as an extension section and is hermetically connected with the rear pipe of the propelling pipe;
the sealing connection structure of the extension section and the rear pipe of the propulsion pipe is that the rear pipe of the propulsion pipe is provided with a sinking platform for accommodating the extension section corresponding to the position of the extension section, the extension section is sleeved on the sinking platform, the extension section comprises a first annular groove and a sealing section, the bottom of the first annular groove is abutted to the surface of the outer ring of the sinking platform of the rear pipe of the propulsion pipe, and a sealing ring is arranged between the sealing section and the outer ring of the sinking platform of the rear pipe of the propulsion pipe.
Specifically, for the convenience of processing, the annular groove type joint is sleeved and axially fixed on the front pipe of the propulsion pipe, and the front end of the annular groove type joint is provided with a second annular groove which is accommodated in a notch corresponding to the surface of the outer ring of the front pipe of the propulsion pipe. Therefore, the same annular groove structure is used on the fixing structure, and the processing cost can be reduced due to the same process.
Furthermore, in order to maintain the integrity and facilitate the propulsion of the propulsion pipe, the diameter of the outer contour of the annular groove type joint is consistent with the diameter of the outer contour of the front pipe and the rear pipe of the propulsion pipe.
Still further, the sealing ring is an ethylene propylene diene monomer elastic sealing ring; the inner ring and the outer ring of the sealing ring are respectively abutted against the outer ring surface of the sinking platform of the rear pushing pipe and the inner ring surface of the sealing section. The sealing ring is compounded by ethylene propylene diene monomer and expanded rubber, has aging resistance, excellent elasticity and chemical medium resistance, and has good sealing and water stopping effects.
Still further, the tail part of the sealing section is integrally formed with a check ring for preventing the sealing ring from sliding out.
Still further, in order to enable the annular groove type joint to be firmly and hermetically connected with the front pipe of the propulsion pipe, the annular groove type joint is sleeved at the front end of the front pipe of the propulsion pipe and is also provided with a third annular groove, the third annular groove is accommodated in another groove corresponding to the surface of the outer ring of the front pipe of the propulsion pipe, the second annular groove is connected with the third annular groove through a connecting section, and a water stop belt is arranged between the connecting section and the outer ring of the front pipe of the propulsion pipe.
Still further, the thrust pipe front tube and the thrust pipe rear tube are provided with a force transmission pad between end faces of a joint.
Still further, the ring groove type joint of the present invention is a 304 stainless steel joint, which has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; good hot workability such as stamping and bending, and no heat treatment hardening phenomenon.
The utility model has the advantages that: not only has stronger corrosion resistance; the small-angle deflection or deformation of the connection part of the pipe body of the propelling pipe can be realized through the first annular groove, the seepage-proofing and leakage-proofing effects of the sealing ring and the water stop belt are good when the sealing ring and the water stop belt are used in a combined mode, the bad geological settlement can be resisted, and the shock resistance is good; meanwhile, curve pushing can be responded.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the pipe in an offset condition;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
in the figure: 1. advancing the tube front tube; 2. pushing the rear tube; 3. a ring groove type joint; 4. a first annular groove; 5. a second annular groove; 6. a third annular groove; 7. a joining section; 8. a water stop; 9. a force transfer pad; 10. sinking a platform; 11. a sealing section; 12. a seal ring; 13. and a retainer ring.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-2, a reinforced concrete propulsion pipe ring groove type joint connection structure includes a propulsion pipe front pipe 1, a propulsion pipe rear pipe 2, and a ring groove type joint 3 connecting the propulsion pipe front pipe 1 and the propulsion pipe rear pipe 2, where the ring groove type joint 3 is a circular ring, two ends of the ring groove type joint are respectively sleeved on the propulsion pipe front pipe 1 and the propulsion pipe rear pipe 2, the ring groove type joint 3 in this embodiment is a three-groove type joint, and has a first annular groove 4, a second annular groove 5, and a third annular groove 6, the second annular groove 5 is connected with the third annular groove 6 through a connection section 7, a water stop 8 is arranged between the connection section 7 and an outer ring of the propulsion pipe front pipe 1, and a force transmission pad 9 is arranged between end faces of a connection part of the propulsion pipe front pipe 1 and the propulsion pipe rear pipe 2.
The front end of the annular groove type joint 3 is sleeved and axially fixed on the propulsion pipe front pipe 1, and the rear end of the annular groove type joint 3 is used as an extension section and is hermetically connected with the propulsion pipe rear pipe 2;
the sealing connection structure of the extension section and the propulsion pipe rear pipe 2 is that a sinking platform 10 for accommodating the extension section is arranged at the position of the propulsion pipe rear pipe 2 corresponding to the extension section, and the extension section is sleeved on the sinking platform 10; the extension section comprises a first annular groove 4 and a sealing section 11, the bottom of the first annular groove 4 is abutted to the surface of the outer ring of the sinking platform 10 of the rear tube 2 of the propelling tube, and a sealing ring 12 is arranged between the sealing section 11 and the outer ring of the sinking platform 10 of the rear tube 2 of the propelling tube. The first annular groove 4 not only provides an inward grip, but also provides a better range of deformation than a horizontal configuration.
The annular groove type joint 3 is sleeved and axially fixed on the propulsion pipe front pipe 1, a second annular groove 5 is formed in the front end of the annular groove type joint 3, and the second annular groove 5 is accommodated in a groove corresponding to the surface of the outer ring of the propulsion pipe front pipe 1.
The diameter of the outer contour of the ring groove type joint 3 is consistent with the diameter of the outer contour of the propelling pipe front pipe 1 and the propelling pipe rear pipe 2.
The sealing ring 12 is an ethylene propylene diene monomer elastic sealing ring, and the inner ring and the outer ring of the sealing ring 12 respectively abut against the outer ring surface of the sinking platform 10 and the inner ring surface of the sealing section 11 of the propulsion pipe rear tube 2.
The end of the sealing section 11 is integrally formed with a retainer ring 13 for preventing the sealing ring 12 from sliding out, and as can be seen from the drawings, the retainer ring 13 is formed into a tail hook form, thereby effectively preventing the sealing ring 12 from sliding out.
The annular groove type joint 3 is sleeved on the front end of the propulsion pipe front pipe 1 and is also provided with a third annular groove 6, and the third annular groove 6 is accommodated in the other notch corresponding to the outer ring surface of the propulsion pipe front pipe 1.
The ring groove type joint 3 is made of 304 stainless steel, wherein the 304 stainless steel is chromium-nickel stainless steel which is widely applied, and has good corrosion resistance, heat resistance, low-temperature strength and mechanical properties; good hot workability such as stamping and bending, and no heat treatment hardening phenomenon. The 3S-shaped joint can be normally used for a long time under water-rich geology due to good corrosion resistance.
One end of the annular groove type joint 3 is sleeved on the propulsion pipe front pipe 1 and fixedly connected with the propulsion pipe front pipe 1, and the bottoms of the second annular groove 5 and the third annular groove 6 are respectively propped against the outer ring notch of the propulsion pipe front pipe 1, so that the second annular groove 5 and the third annular groove 6 can form a gripping force on the outer ring surface of the propulsion pipe front pipe 1, and the joint is prevented from being separated from the propulsion pipe.
The sealing ring 12 is compounded by ethylene propylene diene monomer and expanded rubber, has aging resistance, excellent elasticity and chemical medium resistance, plays a good role in sealing and water stopping, and can usually bear external pressure of 0.2 MPa.
As shown in fig. 3-4, in practical conditions, because the concrete pipe may cause the pipe to deviate due to geological uneven settlement or perform curve propulsion, the pipe at the joint has a certain deflection angle, in this embodiment, the extension section of the annular groove type joint 3 can realize displacement and a deflection included angle of a certain length in the sinking platform of the rear pipe of the propulsion pipe, and meanwhile, it is ensured that the air tightness is not lost, thereby solving the problem caused by resisting geological poor settlement.
Wherein,
s1, the thickness is generally larger than 2mm according to the setting of the pipe material, construction conditions and the like.
D: pipe diameter (m);
l: pipe length (m);
r: radius of the curve (m);
the maximum allowable displacement S2 of the extension section is 20mm, and the use is not influenced.
The annular groove type joint 3 can be an integral structure, structures such as a groove, a connecting section, a sealing section and a retainer ring are formed and processed on the annular groove type joint 3, the annular groove type joint 3 is fixed on the front pipe 1 of the propulsion pipe through a centrifugal pouring method and forms a combined piece with the front pipe 1 of the propulsion pipe, the propulsion pipe is arranged in sequence and connected end to end during construction, of course, the front pipe and the rear pipe described in the application are only convenient to express, the directions of the front pipe and the rear pipe can be interchanged, namely the annular groove type joint 3 can also be fixed on the rear pipe 2 of the propulsion pipe, and the sinking platform 10 is arranged on the front pipe 1 of the propulsion pipe.
In addition, the connection of the annular groove type joint 3 to the propulsion pipe rear pipe 2 described in the present application means contact connection, and only contact in a state limits radial displacement of the propulsion pipe rear pipe 2 by the annular groove type joint 3.
It should be noted that, because the propulsion pipes are arranged end to end, the connection structure of the propulsion pipe claimed in the present application is specifically applied to the structure of a single-section propulsion pipe, if one end of the manufactured single-section propulsion pipe is provided with a ring groove type joint with the same or similar structure, and the other end of the manufactured single-section propulsion pipe is provided with a sinking platform to be connected with the ring groove type joint, such a connection structure is inevitably applied, belongs to the same technical scheme, and falls into the scope claimed in the present application; from another perspective, it is also necessary to realize such a connection structure whether two or more of such single-length pipes are manufactured or used, and it is also within the scope of the present application.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (8)
1. The utility model provides a reinforced concrete impels pipe ring cell type joint connection structure which characterized in that: comprises a propulsion pipe front pipe (1), a propulsion pipe rear pipe (2) and a ring groove type joint (3) for connecting the propulsion pipe front pipe (1) and the propulsion pipe rear pipe (2);
the ring-groove-shaped joint (3) is annular;
the front end of the annular groove type joint (3) is sleeved and axially fixed on the propulsion pipe front pipe (1), and the rear end of the annular groove type joint (3) is used as an extension section and is hermetically connected with the propulsion pipe rear pipe (2);
the sealing connection structure of the extension section and the propulsion pipe rear pipe (2) is that, the propulsion pipe rear pipe (2) correspond the extension section position and be provided with heavy platform (10) that are used for holding the extension section, the extension section cover is located on heavy platform (10), the extension section include first annular groove (4) and seal segment (11), the bottom of first annular groove (4) support the outer lane surface in heavy platform (10) of propulsion pipe rear pipe (2), seal segment (11) and propulsion pipe rear pipe (2) heavy platform (10) outer lane between be provided with sealing washer (12).
2. A reinforced concrete propulsion pipe annular groove type joint connecting structure as recited in claim 1, wherein: the annular groove type joint (3) is sleeved and axially fixed on the propulsion pipe front pipe (1) in a structure that a second annular groove (5) is formed in the front end of the annular groove type joint (3), and the second annular groove (5) is accommodated in a groove corresponding to the surface of the outer ring of the propulsion pipe front pipe (1).
3. A reinforced concrete propulsion pipe annular groove type joint connecting structure as recited in claim 1, wherein: the diameter of the outer contour of the annular groove type joint (3) is consistent with the diameter of the outer contour of the propulsion pipe front pipe (1) and the diameter of the outer contour of the propulsion pipe rear pipe (2).
4. A reinforced concrete propulsion pipe annular groove type joint connecting structure as recited in claim 1, wherein: the sealing ring (12) is an ethylene propylene diene monomer elastic sealing ring; the inner ring and the outer ring of the sealing ring (12) are respectively abutted against the outer ring surface of the sinking platform (10) and the inner ring surface of the sealing section (11) of the propelling pipe rear pipe (2).
5. A reinforced concrete propulsion pipe annular groove type joint connecting structure as recited in claim 1, wherein: and a check ring (13) for preventing the sealing ring (12) from sliding out is integrally formed at the tail part of the sealing section (11).
6. A reinforced concrete propulsion pipe annular groove type joint connecting structure as recited in claim 2, wherein: the annular groove type joint (3) is sleeved at the front end of the propulsion pipe front pipe (1) and is further provided with a third annular groove (6), the third annular groove (6) is accommodated in another groove corresponding to the surface of the outer ring of the propulsion pipe front pipe (1), the second annular groove (5) and the third annular groove (6) are connected through a connecting section (7), and a water stop belt (8) is arranged between the connecting section (7) and the outer ring of the propulsion pipe front pipe (1).
7. A reinforced concrete propulsion pipe annular groove type joint connecting structure as recited in claim 1, wherein: and a force transmission pad (9) is arranged between the end surfaces of the joints of the front pipe (1) and the rear pipe (2) of the propelling pipe.
8. A reinforced concrete propulsion pipe annular groove type joint connecting structure as recited in claim 1, wherein: the ring groove type joint (3) is a 304 stainless steel joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821752253.4U CN209100845U (en) | 2018-10-26 | 2018-10-26 | A kind of armored concrete propulsion tube ring-groove-type joint connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821752253.4U CN209100845U (en) | 2018-10-26 | 2018-10-26 | A kind of armored concrete propulsion tube ring-groove-type joint connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100845U true CN209100845U (en) | 2019-07-12 |
Family
ID=67156847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821752253.4U Active CN209100845U (en) | 2018-10-26 | 2018-10-26 | A kind of armored concrete propulsion tube ring-groove-type joint connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100845U (en) |
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2018
- 2018-10-26 CN CN201821752253.4U patent/CN209100845U/en active Active
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