CN216446925U - Reinforcing construction device for entrance and exit of heavy-caliber jacking pipe in silt stratum - Google Patents
Reinforcing construction device for entrance and exit of heavy-caliber jacking pipe in silt stratum Download PDFInfo
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- CN216446925U CN216446925U CN202122370358.1U CN202122370358U CN216446925U CN 216446925 U CN216446925 U CN 216446925U CN 202122370358 U CN202122370358 U CN 202122370358U CN 216446925 U CN216446925 U CN 216446925U
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Abstract
The utility model relates to the technical field of large-diameter pipeline reinforcement, and discloses a reinforcing construction device for a silty-soil stratum large-diameter jacking pipe entrance/exit hole. The utility model solves the problems of unstable and unfirm installation and poor sealing of the large-diameter jacking pipe by matching the components, has compact overall structural design, increases the stability of connection between the jacking pipe and the inner wall of the opening, facilitates the filling of the right opening of the opening and further improves the air tightness.
Description
Technical Field
The utility model relates to the technical field of large-diameter pipeline reinforcement, in particular to a reinforcing construction device for a large-diameter jacking pipe entrance and exit hole of a silt stratum.
Background
Along with the development of municipal construction in China, the design diameter of municipal pipelines in cities is larger and larger, and the pipeline construction environment is more and more complex. In the aspect of constructing an underground pipeline by using a pipe jacking method, the technology of pipe jacking tool heads entering and exiting a hole is still a difficult problem which puzzles pipe jacking construction.
When the pipe jacking construction is carried out in areas rich in water, quicksand and silt, the following defects exist: 1. the problems that underground water flows from the periphery of a hole and a pipe jacking machine head sinks and the like are easily caused under the influence of underground water pressure when a pipe jacking enters and exits the hole; 2. in severe cases, the upper earthwork of the opening of the cave collapses, mud rushes into a working pit, and ground buildings or upper pipelines are endangered.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a reinforcing construction device for a heavy-caliber push pipe entrance/exit hole of a silt stratum.
In order to solve the problems in the prior art, the utility model adopts the following technical scheme:
silt stratum heavy-calibre push pipe business turn over entrance to a cave reinforcement construction equipment, including foundation ditch pouring diapire, stock subassembly, reinforcement subassembly, one side of foundation ditch pouring diapire is equipped with the concrete placement side wall, the entrance to a cave has transversely been seted up at the middle part of concrete placement side wall, the inside of entrance to a cave is equipped with the push pipe, is located the inboard of concrete placement side wall and is equipped with the reinforcement steel ring in the entrance to a cave, the equipartition is equipped with a plurality of arc closing plates between the inner wall of reinforcement steel ring and the outer wall of push pipe, every all be equipped with the stock subassembly on the arc closing plate, and every the arc closing plate all is connected with the concrete placement side wall through the reinforcement subassembly.
Further, the anchor rod assembly comprises a hollow anchor rod, a plurality of anchor rod holes are uniformly formed in the right side face of the arc-shaped sealing plate, a hollow anchor rod is inserted into each anchor rod hole, and an anchor rod nut is sleeved on the right end portion of the hollow anchor rod, which is located on the right side face of the arc-shaped sealing plate.
Furthermore, a sealing washer is sleeved at the right end of the hollow anchor rod between the arc-shaped sealing plate and the anchor rod nut, and an anchor rod plug is arranged in the right end opening of the hollow anchor rod.
Further, every hollow stock all extends to the depths in the entrance to a cave to left, is located the equipartition on the inherent hollow stock in entrance to a cave and has seted up a plurality of holes of pouring.
Furthermore, a fixing ring is arranged in the middle of the inner portion of the concrete pouring side wall and located at the position where the hole is concentric, and a plurality of embedded plates are arranged on the outer side face of the fixing ring.
Furthermore, the reinforcing component comprises L-shaped plates, a pair of L-shaped plates is arranged on the outer side faces of the arc-shaped sealing plates, the outer end portions of the L-shaped plates are tightly attached to the right side faces of the concrete pouring side walls, and chemical expansion bolts are inserted into the outer end portions of the L-shaped plates.
Furthermore, the inner end of each chemical expansion bolt is inserted into the concrete pouring side wall and extends through the corresponding embedded plate.
Furthermore, the outer side of the arc-shaped sealing plate is filled with expansion rubber between the outer walls of the opening and the top pipe, and the right side face of the expansion rubber is flush with the right side face of the concrete pouring side wall.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, through the matching use of the anchor rod assembly, grouting operation is carried out through the right end part of the hollow anchor rod, so that grout enters a gap between the top pipe and the opening along the pouring hole and is filled, solidified and molded, thereby improving the connection stability between the top pipe and the inner wall of the opening;
2. in the utility model, through the matching use of the reinforcing component, the inner end of each chemical expansion bolt is inserted into the concrete pouring side wall and extends to penetrate through the corresponding embedded plate, the L-shaped plate is fixed through the chemical expansion bolts, the stability of the arc-shaped sealing plate in the opening is also improved, and the right end opening of the opening is filled through the expansion rubber, so that the air tightness is further improved;
in conclusion, the large-diameter jacking pipe solves the problems of unstable and infirm installation and poor sealing of the large-diameter jacking pipe through the matching use of the components, has compact overall structural design, increases the stability of connection between the jacking pipe and the inner wall of the hole, facilitates the filling of the right end opening of the hole, and further improves the air tightness.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a front view of the utility model containing an expanded rubber;
FIG. 2 is a front view of the present invention without the intumescent rubber;
FIG. 3 is a left side schematic view of the present invention;
FIG. 4 is a schematic left side cross-sectional view of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;
number in the figure: the foundation pit is cast with the bottom wall 1, the concrete casting side wall 11, the opening 12, the reinforcing steel ring 13, the arc-shaped sealing plate 14, the hollow anchor rod 15, the sealing washer 16, the anchor rod nut 17, the jacking pipe 2, the L-shaped plate 21, the chemical expansion bolt 22, the fixing ring 23, the embedded plate 24 and the expansion rubber 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1: the embodiment provides a reinforcing construction device for entrance and exit holes of heavy-caliber jacking pipes in silt formations, which comprises a foundation pit casting bottom wall 1, an anchor rod assembly and a reinforcing assembly, and specifically comprises a foundation pit casting bottom wall 1, an anchor rod assembly and a reinforcing assembly, wherein the foundation pit casting bottom wall 1 is arranged at the bottom in a pipeline foundation pit, one side of the foundation pit casting bottom wall 1 is provided with a concrete casting side wall 11, the middle part of the concrete casting side wall 11 is transversely provided with a hole 12, and in entrance to a cave 12 extended to another pipeline foundation ditch to the left, the inside of entrance to a cave 12 was equipped with the push pipe 2 of placing with one heart, was located the inboard of concrete placement side wall 11 and was equipped with the reinforcement steel ring 13 of pre-buried rigid coupling in entrance to a cave 12, and the equipartition was equipped with a plurality of arc closing plates 14 between the inner wall of reinforcement steel ring 13 and the outer wall of push pipe 2, all was equipped with the stock subassembly on every arc closing plate 14, and every arc closing plate 14 all is connected with concrete placement side wall 11 through reinforcing the subassembly.
The anchor rod assembly comprises a hollow anchor rod 15, a plurality of anchor rod holes are uniformly distributed on the right side surface of an arc-shaped sealing plate 14, a hollow anchor rod 15 which transversely penetrates through the anchor rod holes is inserted into each anchor rod hole, an anchor rod nut 17 which is in threaded connection is sleeved at the right end of the hollow anchor rod 15 and positioned on the right side surface of the arc-shaped sealing plate 14, a sealing washer 16 is sleeved at the right end of the hollow anchor rod 15 and positioned between the arc-shaped sealing plate 14 and the anchor rod nut 17, and an anchor rod plug is arranged in the right end opening of the hollow anchor rod 15; after the grouting operation is completed, the hollow anchor rod 15 is blocked by the anchor rod plug, and the right end portion of the hollow anchor rod 15 is screw-locked by the anchor rod nut 17.
In the utility model, each hollow anchor rod 15 extends leftwards to the deep inside of the hole 12, and a plurality of pouring holes are uniformly distributed on the hollow anchor rods 15 in the hole 12; grouting operation is carried out through the right end part of the hollow anchor rod 15, so that grout enters a gap between the top pipe 2 and the opening 12 along a pouring hole and is filled, solidified and molded, and the connection stability between the top pipe 2 and the inner wall of the opening 12 is improved.
In the utility model, the fixing rings 23 which are fixedly embedded and fixed are arranged in the middle of the concrete pouring side wall 11 at the position concentric with the hole 12, the outer side surfaces of the fixing rings 23 are respectively provided with a plurality of embedded plates 24, and the fixing rings 23 and the embedded plates 24 are matched for use, so that the stability of the right port of the hole 12 is improved.
Example 2: in embodiment 1, there is also a problem that the right port of the opening has poor air tightness, so this embodiment further includes, on the basis of embodiment 1:
in the utility model, the reinforcing component comprises L-shaped plates 21, a pair of L-shaped plates 21 are arranged on the outer side surfaces of the arc-shaped sealing plates 14, the outer end part of each L-shaped plate 21 is tightly attached to the right side surface of the concrete pouring side wall 11, and a chemical expansion bolt 22 is inserted into the outer end part of each L-shaped plate 21.
In the utility model, the inner end of each chemical expansion bolt 22 is inserted into the concrete pouring side wall 11 and extends through the corresponding embedded plate 24, the L-shaped plate 21 is fixed through the chemical expansion bolts 22, and the stability of the arc-shaped sealing plate 14 installed in the hole 12 is also increased.
In the utility model, the expansion rubber 25 is filled between the opening 12 and the outer wall of the top pipe 2 at the outer side of the arc-shaped sealing plate 14, and the right side surface of the expansion rubber 25 is flush with the right side surface of the concrete pouring side wall 11, so that the right opening of the opening 12 can be conveniently filled, and the air tightness is further improved.
The utility model solves the problems of unstable and unfirm installation and poor sealing of the large-diameter jacking pipe by matching the components, has compact overall structural design, increases the stability of connection between the jacking pipe and the inner wall of the opening, facilitates the filling of the right opening of the opening and further improves the air tightness.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. Silt stratum heavy-calibre push pipe business turn over entrance to a cave reinforcing construction device pours diapire (1), stock subassembly, reinforcement assembly, its characterized in that including the foundation ditch: one side of foundational pit concreting diapire (1) is equipped with concrete placement side wall (11), entrance to a cave (12) have transversely been seted up at the middle part of concrete placement side wall (11), the inside of entrance to a cave (12) is equipped with push pipe (2), is located the inboard of concrete placement side wall (11) and is equipped with reinforcement steel ring (13) in entrance to a cave (12), the equipartition is equipped with a plurality of arc closing plate (14) between the inner wall of reinforcement steel ring (13) and the outer wall of push pipe (2), every all be equipped with the stock subassembly on arc closing plate (14), and every arc closing plate (14) all are connected with concrete placement side wall (11) through reinforcing the subassembly.
2. The silty soil stratum large-caliber jacking pipe entrance and exit hole reinforcing construction device according to claim 1, characterized in that: the anchor rod assembly comprises a hollow anchor rod (15), a plurality of anchor rod holes are uniformly formed in the right side face of the arc-shaped sealing plate (14), each anchor rod hole is internally provided with the hollow anchor rod (15) in an inserted mode, and an anchor rod nut (17) is sleeved on the right side face of the arc-shaped sealing plate (14) at the right end portion of the hollow anchor rod (15).
3. The silty soil stratum large-caliber jacking pipe entrance and exit hole reinforcing construction device according to claim 2, characterized in that: and a sealing washer (16) is sleeved at the right end part of the hollow anchor rod (15) between the arc-shaped sealing plate (14) and the anchor rod nut (17), and an anchor rod plug is arranged in the right end opening of the hollow anchor rod (15).
4. The silty soil stratum large-caliber jacking pipe entrance and exit hole reinforcing construction device according to claim 2, characterized in that: every hollow stock (15) all extend to the depths in entrance to a cave (12) left, are located the equipartition on entrance to a cave (12) the hollow stock (15) and have seted up a plurality of holes of pouring.
5. The silty soil stratum large-caliber jacking pipe entrance and exit hole reinforcing construction device according to claim 1, characterized in that: the fixing ring (23) is arranged in the concentric position of the opening (12) and in the middle of the concrete pouring side wall (11), and a plurality of embedded plates (24) are arranged on the outer side face of the fixing ring (23).
6. The silty soil stratum large-caliber jacking pipe entrance and exit hole reinforcing construction device according to claim 5, characterized in that: the reinforcing component comprises L-shaped plates (21), the outer side faces of the arc-shaped sealing plates (14) are provided with a pair of L-shaped plates (21), the outer end portions of the L-shaped plates (21) are tightly attached to the right side faces of the concrete pouring side walls (11), and chemical expansion bolts (22) are inserted into the outer end portions of the L-shaped plates (21).
7. The silt stratum large-caliber pipe jacking entrance-exit hole reinforcing construction device according to claim 6, characterized in that: the inner end of each chemical expansion bolt (22) is inserted into the concrete pouring side wall (11) and extends through the corresponding embedded plate (24).
8. The silty soil stratum large-caliber jacking pipe entrance and exit hole reinforcing construction device according to claim 1, characterized in that: and expansion rubber (25) is filled between the outer wall of the opening (12) and the outer wall of the top pipe (2) on the outer side of the arc-shaped sealing plate (14), and the right side surface of the expansion rubber (25) is flush with the right side surface of the concrete pouring side wall (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122370358.1U CN216446925U (en) | 2021-09-29 | 2021-09-29 | Reinforcing construction device for entrance and exit of heavy-caliber jacking pipe in silt stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122370358.1U CN216446925U (en) | 2021-09-29 | 2021-09-29 | Reinforcing construction device for entrance and exit of heavy-caliber jacking pipe in silt stratum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216446925U true CN216446925U (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122370358.1U Active CN216446925U (en) | 2021-09-29 | 2021-09-29 | Reinforcing construction device for entrance and exit of heavy-caliber jacking pipe in silt stratum |
Country Status (1)
| Country | Link |
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| CN (1) | CN216446925U (en) |
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2021
- 2021-09-29 CN CN202122370358.1U patent/CN216446925U/en active Active
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