CN216201342U - Reinforced concrete pipe jacking joint connection and waterproof structure - Google Patents
Reinforced concrete pipe jacking joint connection and waterproof structure Download PDFInfo
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- CN216201342U CN216201342U CN202121918745.8U CN202121918745U CN216201342U CN 216201342 U CN216201342 U CN 216201342U CN 202121918745 U CN202121918745 U CN 202121918745U CN 216201342 U CN216201342 U CN 216201342U
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Abstract
The utility model discloses a reinforced concrete pipe jacking joint connecting and waterproof structure. The joint of the front section of the jacking pipe is provided with a bellmouth steel lantern ring, and the joint of the rear section of the jacking pipe is provided with a spigot steel ring; a wedge-shaped rubber ring is arranged at the gap between the bellmouth steel lantern ring and the rear section jacking pipe to serve as a first waterproof structure; the bellmouths of the front section of push pipe and the rear section of push pipe are provided with slurry filling sealing ring bags, slurry is filled into the sealing ring bags after the push pipes are pushed in place, and the sealing ring bags are extruded with bellmouth concrete of the front section of push pipe and the rear section of push pipe after being expanded to achieve sealing and water proofing to serve as a second waterproof structure; and dovetail-shaped rubber gaskets are arranged on the inner sides of the bellmouths of the front-section jacking pipe and the rear-section jacking pipe and are used as a third waterproof structure. The wedge-shaped rubber ring is internally provided with the cavity, the extrusion deformation effect is good, the extrusion force with the socket steel lantern ring is more uniform, and the waterproof effect is better.
Description
Technical Field
The utility model relates to the field of municipal engineering, in particular to a reinforced concrete pipe jacking joint connection and waterproof structure.
Background
The existing pipe jacking joint connection and waterproof mode adopts an F-shaped socket joint type 3-way waterproof system joint. The interface steel lantern ring and the waterproof rubber ring form an outer side waterproof system, the waterproof rubber ring adopts a double-layer structure of a olecranon-shaped rubber ring and a semicircular rubber ring, and 2 constraint steel rings are additionally arranged; a groove is formed in the middle upper part of the pipe wall of the female end of the pipe joint, and a porous ethylene propylene diene monomer rubber sealing gasket is embedded to serve as a 2 nd waterproof system; and a caulking groove is arranged at the interface of the inner side of the pipe joint, and a bi-component polysulfide sealant is injected to form an inner side waterproof system.
The prior art has the following defects: 1) in the existing pipe jacking joint connection and waterproof mode, the olecranon-shaped rubber ring is a solid body, and the extrusion and coring effects are poor.
2) And a groove is formed in the middle upper part of the pipe wall of the female end of the pipe joint, and a porous ethylene propylene diene monomer rubber sealing gasket is embedded to serve as a 2 nd waterproof system. The ethylene propylene diene monomer achieves the deformation water stopping effect by means of extrusion force in the jacking process, the extrusion force among the sealing gaskets is related to the size of the joint, and the extrusion force among the sealing gaskets is not easy to control.
3) And a caulking groove is arranged at the interface of the inner side of the pipe joint, and the two-component polysulfide sealant is injected. The sealant has poor durability and is easy to fall off, so that the waterproof failure is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides a reinforced concrete pipe jacking joint connection and waterproof structure which is novel in structure and good in waterproof effect.
The utility model relates to a reinforced concrete push pipe joint connection and waterproof structure, which is realized by the following technical scheme, and comprises a front section push pipe and a rear section push pipe, wherein a joint of the front section push pipe is provided with a socket steel lantern ring, and a joint of the rear section push pipe is provided with a socket steel ring; a wedge-shaped rubber ring is arranged at the gap between the bellmouth steel lantern ring and the rear section jacking pipe to serve as a first waterproof structure; the bellmouths of the front section of push pipe and the rear section of push pipe are provided with slurry filling sealing ring bags, slurry is filled into the sealing ring bags after the push pipes are pushed in place, and the sealing ring bags are extruded with bellmouth concrete of the front section of push pipe and the rear section of push pipe after being expanded to achieve sealing and water proofing to serve as a second waterproof structure; and dovetail-shaped rubber gaskets are arranged on the inner sides of the bellmouths of the front-section jacking pipe and the rear-section jacking pipe and are used as a third waterproof structure.
Further, after the construction is completed, joint external grouting is performed by using an external grouting steel pipe, the end part of the grouting pipe is sealed by using an external square pipe plug, and epoxy mortar is used for leveling to form a fourth waterproof structure.
Furthermore, the front section of the jacking pipe and the rear section of the jacking pipe are accurately positioned by utilizing the positioning rods, the joints are connected by utilizing the curved bolts, and the joint is provided with a force transferring liner to avoid the local concrete from falling off due to compression.
Compared with the prior art, the utility model has the beneficial effects that:
1) the wedge-shaped rubber ring is internally provided with the cavity, so that the extrusion deformation effect is good, the extrusion force of the wedge-shaped rubber ring and the extrusion force of the bell mouth steel lantern ring are more uniform, and the waterproof effect is better.
2) And the bellmouths of the front section of push pipe and the rear section of push pipe are provided with slurry filling sealing ring bags, slurry is filled into the sealing ring bags after the push pipes are pushed in place, and the sealing ring bags are extruded with bellmouth concrete of the front section of push pipe and the rear section of push pipe after being expanded to achieve sealing and water prevention to serve as a second waterproof structure. The extrusion force between the annular bag and the socket can be controlled by controlling the grouting pressure in the slurry filling sealing annular bag, the pressure is controllable, and the operation is convenient.
3) And dovetail-shaped rubber gaskets are arranged on the inner sides of the bellmouths of the front-section jacking pipe and the rear-section jacking pipe and are used as a third waterproof structure. The dovetail-shaped sealing gasket is not easy to fall off in the later period, the durability is good, and the waterproof effect is better.
Drawings
FIG. 1 is a schematic view of the pipe jacking joint connection and waterproof structure of the present invention;
FIG. 2 is a cross-sectional shape of the wedge-shaped rubber ring before extrusion in the present invention;
FIG. 3 is a shape of a positioning rod according to the present invention;
FIG. 4 shows an arrangement of bolt holes, positioning rods and slurry-filled sealing ring bags in the cross section of the pipe jacking joint according to the utility model.
In the figure: 1. front-section jacking pipes; 2. a rear section of pipe jacking; 3. a socket steel collar; 4. a socket steel ring; 5. sticking an expansion rubber strip; 6. round steel stop bars; 7. polysulfide sealant; 8. a wedge-shaped rubber ring; 9. a force transfer liner; 10. filling slurry and sealing the ring bag; 11. a positioning rod; 12. bolt holes; 13. a connecting bolt; 14. a bolt hand hole; 15. dovetail-shaped rubber sealing strips; 16. a steel pipe; 17. a steel ring; 18. an outer joint; 19. plugging an outer square pipe; 20. epoxy mortar; 21. and (5) filling slurry and sealing the annular bag liquid filling pipe.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1-3, the device comprises a front section push pipe 1 and a rear section push pipe 2, wherein a bellmouth steel lantern ring 3 is arranged at the joint of the front section push pipe, a spigot steel ring 4 is arranged at the joint of the rear section push pipe, a sticking expansion rubber strip 5 and a round steel stop strip 6 are arranged on the inner side of the front section push pipe steel lantern ring, and polysulfide sealing paste 7 is arranged between the tail part of the front section push pipe and the steel lantern ring; a wedge-shaped rubber ring 8 serving as a first waterproof structure is arranged at the gap between the bell steel lantern ring and the rear section of jacking pipe; the bellmouths of the front section of push pipe and the rear section of push pipe are provided with slurry filling sealing ring bags 10, slurry is filled into the sealing ring bags after the slurry filling sealing ring bags are pushed in place, and the slurry filling sealing ring bags are extruded with bellmouth concrete of the front section of push pipe and the rear section of push pipe after being expanded to achieve sealing and water proofing to serve as a second waterproof structure; and dovetail-shaped rubber sealing gaskets 15 are arranged on the inner sides of the bellmouths of the front jacking pipe and the rear jacking pipe and are used as a third waterproof structure. In order to facilitate the connection of the two sections of jacking pipes, force transmission gaskets 9 and positioning rods 11 are arranged at the sockets of the front section jacking pipe and the rear section jacking pipe, bolt holes 12 are arranged at the inner side parts of the jacking pipes at the sockets of the front section jacking pipe and the rear section jacking pipe, connecting bolts 13 are arranged in the bolt holes, and bolt hand holes 14 are arranged at the same time for facilitating installation. Referring to fig. 4, the cross section bolt holes of the top pipe joint, the positioning rods and the slurry-filled sealing ring bags are arranged, and the slurry-filled sealing ring bags 10, the positioning rods 11, the bolt holes 12 and the slurry-filled sealing ring bag liquid filling pipes 21 are shown in the figure.
And after the construction is finished, performing external grouting on the joint by using an external grouting steel pipe, sealing the end part of the grouting pipe by using an external square pipe plug 19, and leveling by using epoxy mortar to form a fourth waterproof structure. The back section jacking pipe is provided with grouting holes at the interval between the back section jacking pipe and the socket steel lantern ring, and comprises the following components: a steel pipe 16, wherein a steel ring 17 and an outer joint 18 are welded on the outer side of the steel pipe, an outer square pipe plug 19 is arranged at the end part of the inner side of the grouting hole, and cement mortar 20 is used for leveling; anterior segment push pipe and back end push pipe utilize location stick 11 to carry out accurate location, and the joint utilizes bent bolted connection, and joint department is provided with the biography power liner, avoids local concrete pressurized to fall the piece.
The utility model has the following technical effects:
1. the inner sides of the bellmouths of the front section of jacking pipe and the rear section of jacking pipe are provided with dovetail-shaped rubber sealing gaskets, and cavities are arranged in the dovetail-shaped sealing gaskets.
2. And dovetail-shaped rubber gaskets are arranged on the inner sides of the bellmouths of the front-section jacking pipe and the rear-section jacking pipe and are used as a third waterproof structure. The dovetail-shaped sealing gasket is not easy to fall off in the later period, the durability is good, and the waterproof effect is better
3. And the bellmouths of the front section of push pipe and the rear section of push pipe are provided with slurry filling sealing ring bags, slurry is filled into the sealing ring bags after the push pipes are pushed in place, and the sealing ring bags are extruded with bellmouth concrete of the front section of push pipe and the rear section of push pipe after being expanded to achieve sealing and water prevention to serve as a second waterproof structure. The extrusion force between the annular bag and the socket can be controlled by controlling the grouting pressure in the slurry filling sealing annular bag, the pressure is controllable, and the operation is convenient.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a reinforced concrete push pipe articulate and waterproof construction, includes anterior segment push pipe and back end push pipe, its characterized in that: a bellmouth steel lantern ring is arranged at the joint of the front section of the jacking pipe, and a socket steel ring is arranged at the joint of the rear section of the jacking pipe; a wedge-shaped rubber ring is arranged at the gap between the bell steel lantern ring and the rear section of jacking pipe; slurry filling sealing ring bags are arranged at the sockets of the front section of push pipe and the rear section of push pipe, and slurry is filled into the sealing ring bags after the slurry filling sealing ring bags are pushed in place; the inner sides of the bellmouths of the front section of jacking pipe and the rear section of jacking pipe are provided with dovetail-shaped rubber sealing gaskets.
2. The reinforced concrete pipe jacking joint connecting and waterproofing structure according to claim 1, wherein: and (4) performing external grouting on the joint by using the external grouting steel pipe, plugging the end part of the grouting pipe by using an external square pipe, and leveling by using epoxy mortar.
3. The reinforced concrete pipe jacking joint connecting and waterproofing structure according to claim 1, wherein: anterior segment push pipe and back end push pipe utilize the location stick to carry out accurate location, and the joint utilizes bent bolted connection, and joint department is provided with biography power liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121918745.8U CN216201342U (en) | 2021-08-16 | 2021-08-16 | Reinforced concrete pipe jacking joint connection and waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121918745.8U CN216201342U (en) | 2021-08-16 | 2021-08-16 | Reinforced concrete pipe jacking joint connection and waterproof structure |
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| Publication Number | Publication Date |
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| CN216201342U true CN216201342U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121918745.8U Active CN216201342U (en) | 2021-08-16 | 2021-08-16 | Reinforced concrete pipe jacking joint connection and waterproof structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685416A (en) * | 2024-01-25 | 2024-03-12 | 安徽水安建设集团股份有限公司 | Water blocking structure and water blocking method suitable for rectangular pipe jacking membrane bag |
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2021
- 2021-08-16 CN CN202121918745.8U patent/CN216201342U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685416A (en) * | 2024-01-25 | 2024-03-12 | 安徽水安建设集团股份有限公司 | Water blocking structure and water blocking method suitable for rectangular pipe jacking membrane bag |
| CN117685416B (en) * | 2024-01-25 | 2024-04-23 | 安徽水安建设集团股份有限公司 | Water blocking structure and water blocking method suitable for rectangular pipe jacking membrane bag |
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