CN213116339U - Wall-penetrating water stop structure for mechanical pipe-jacking circular working well opening - Google Patents
Wall-penetrating water stop structure for mechanical pipe-jacking circular working well opening Download PDFInfo
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- CN213116339U CN213116339U CN202021402390.2U CN202021402390U CN213116339U CN 213116339 U CN213116339 U CN 213116339U CN 202021402390 U CN202021402390 U CN 202021402390U CN 213116339 U CN213116339 U CN 213116339U
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- open caisson
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 20
- 238000010276 construction Methods 0.000 abstract description 19
- 230000008901 benefit Effects 0.000 abstract description 6
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009974 thixotropic effect Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model provides a circular working well entrance to a cave of machinery push pipe wears wall stagnant water structure, is located that machinery push pipe passes circular open caisson inner wall upper shed department, its characterized in that: include through by interior and outer steel flange, rubber flange, clamp plate one, clamp plate two and the through bolt that sets up in order, on the circular open caisson inner wall, machinery decide tub top and below all to be equipped with the T type and bury the board, the steel flange is cavity ring structure, from top to bottom respectively with T type bury board welded fastening, the left and right sides butt on circular open caisson inner wall, the annular wall is buckled towards circular open caisson inner wall direction in the rubber flange, and the kink outer wall supports on mechanical ejector tube outer wall, and the intussuseption of meeting water inflation stagnant water glue is filled in the space between rubber flange and the circular open caisson inner wall. The utility model discloses for cast-in-place stagnant water wall of circular open caisson and the pre-buried steel flange technology of square open caisson, have advantages such as easy operation, low, the construction cycle of construction cost is short and equipment cyclic utilization.
Description
Technical Field
The utility model relates to a municipal administration sewage pipe network field, in particular to circular work well entrance to a cave wall stagnant water structure of machinery pipe jacking is put.
Background
With the rapid development of economy and great social progress, the discharge amount of domestic sewage and industrial wastewater in cities and towns in China is increased greatly, and the old municipal sewage pipe network can not meet the normal use requirement far away, so that the construction and the improvement of the urban sewage pipe network are needed.
The construction of municipal sewage pipe networks is generally divided into two categories, namely grooving construction and non-grooving construction, underground sewage pipe non-grooving excavation is pipe-jacking construction, and the pipe-jacking construction has the advantages over the grooving excavation, solves the problems of damage to urban buildings, road traffic blockage and the like in the pipeline burying construction, and has obvious advantages in the aspects of soil layer stabilization and environmental protection. This is very important for cities with heavy traffic, dense population, numerous ground buildings and complex underground pipelines, which will create a clean, comfortable and beautiful environment for the cities.
The pipe-jacking construction can be divided into mechanical pipe jacking and artificial pipe jacking, and the pipe-jacking working well is divided into a round well and a rectangular well. The utility model discloses a mainly wear wall stagnant water to the entrance to a cave of the circular working well of machinery push pipe. Because of the round working well, the hole surface of the jacking pipe is in an irregular three-dimensional shape, and the hole water-stopping device is in a regular plane shape, so that a gap is formed between the hole surface and the water-stopping device, and the water-stopping effect cannot be achieved. Referring to the current state of the mechanical pipe jacking process in China, most construction teams often adopt a cast-in-place concrete water stop wall to achieve the purpose that the opening surface of the pipe jacking is a regular plane and is matched with a water stop device to solve the problem. The cast-in-place water stop wall often causes the problems of long construction period, more embedded parts, high construction cost and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wall-through water stop structure at the opening of a mechanical pipe-jacking circular working well, which aims to solve the technical problem that the prior art can not meet the construction requirement; and the problems of long construction period, more embedded parts and high construction cost in the prior art are solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a circular working well entrance to a cave of machinery push pipe wears wall stagnant water structure, is located the entrance to a cave department that the machinery push pipe passed circular open caisson inner wall, its characterized in that: include through by interior and outer steel flange, rubber flange, clamp plate one, clamp plate two and the through bolt that sets up in order, on the circular open caisson inner wall, machinery push pipe top and below all are equipped with the T type and bury the board, the steel flange is cavity ring structure, about respectively with T type bury board welded fastening, the left and right sides butt on circular open caisson inner wall, the annular wall buckles towards circular open caisson inner wall direction in the rubber flange, the kink outer wall supports on mechanical top pipe outer wall, and the space intussuseption water inflation stagnant water glue is met to water in rubber flange and the circular open caisson inner wall.
More preferably, the end of the through bolt at the T-shaped buried plate abuts against the steel flange, and other through bolts penetrate through the steel flange and are driven into the inner wall of the round open caisson.
Furthermore, the T-shaped buried plate comprises a horizontal part buried in the inner wall of the circular open caisson and a vertical part directly welded and fixed with the steel flange, and anchor bars are welded and fixed in the inner wall of the circular open caisson and on the horizontal part.
Further, the second pressing plate is a strip-shaped steel plate with the thickness of 10mm, the second pressing plates are arranged in a launching mode, and the included angle between every two adjacent pressing plates is 20 degrees.
In addition, a grouting pipe is embedded in the inner wall of the round open caisson.
More preferably, the first pressure plate is an annular steel plate with the thickness of 10 mm.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
the utility model adopts the principle that the water-swelling sealing glue swells when meeting water to plug the gap; square open caisson has pre-buried a whole circle of steel flange in entrance to a cave position, the utility model discloses then only at the top of push pipe entrance to a cave and the pre-buried T shaped steel component of two departments in the bottom, for cast-in-place stagnant water wall of circular open caisson and the pre-buried steel flange technology of square open caisson, have easy operation, construction cost is low, construction period is short and advantages such as equipment cyclic utilization, and it leaks to go out the hole when can be fine preventing groundwater seepage and push bench tunnelling, ensure that the thixotropic mud of pressure notes does not run off, have safety, characteristics such as being suitable for, there are fine popularization and practical value, can produce good economic benefits after extensive popularization and application.
Drawings
FIG. 1 is a cross-sectional view of the present invention in the vertical direction;
FIG. 2 is a cross-sectional view of the present invention in the left-right direction;
fig. 3 is a diagram illustrating a layout structure of the second pressing plate according to the present invention.
Reference numerals: 1-round open caisson inner wall; 2-mechanical pipe jacking; 3-water swelling waterproof glue; 4-steel flange; 5-a rubber flange; 6, pressing a first plate; 7-pressing a second plate; 8-T type buried plate; 9-through bolt; 10-anchor bars; 11-an opening; 12-grouting pipe.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention will be further described below.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
A wall-through water stop structure of a mechanical pipe-jacking circular working well opening is positioned at an opening 11 of a mechanical pipe-jacking 2 penetrating through the inner wall 1 of a circular open caisson and comprises a steel flange 4, a rubber flange 5, a first pressing plate 6, a second pressing plate 7 and a through bolt 9 which are sequentially arranged from inside to outside, as shown in fig. 1 and 2, on circular open caisson inner wall 1, mechanical push pipe 2 top and below all are equipped with the T type and bury board 8, steel flange 4 is the hollow ring structure, bury board 8 welded fastening with the T type from top to bottom respectively, the left and right sides butt is on circular open caisson inner wall 1, the rampart is buckled towards circular open caisson inner wall 1 direction in rubber flange 5, the kink outer wall supports on mechanical push pipe 2 outer wall, fill in the space between rubber flange 5 and circular open caisson inner wall 1 and meet water inflation stagnant water glue 3, be located T type and bury board 8 department through bolt 9 tip butt on steel flange 4, other part through bolt 9 passes steel flange 4 and squeezes into in circular open caisson inner wall 1.
The T-shaped buried plate 8 comprises a horizontal portion buried in the inner wall 1 of the circular open caisson and a vertical portion directly welded with the steel flange 4, anchor bars 10 are welded and fixed on the horizontal portion in the inner wall 1 of the circular open caisson, two pressing plates 7 are strip-shaped steel plates with the thickness of 10mm, the two pressing plates 7 are arranged in a launching mode, included angles of the two adjacent pressing plates are 20 degrees, a grouting pipe 12 is buried in the inner wall 1 of the circular open caisson, and one pressing plate 6 is an annular steel plate with the thickness of 10 mm.
The utility model discloses an it is key in using water-swelling stagnant water to glue 3 and meet water-swelling and fill up the irregular space between circular open caisson inner wall and stagnant water structure. When the inner wall 1 of the round open caisson is poured, the anchoring steel bars 10 with the pre-buried diameter of 16mm are used for being welded with the pre-buried T-shaped buried plates 8 with the thickness of 10mm, and pre-buried parts are pre-buried only at the top and the bottom of the top pipe opening, so that the using amount and pre-buried difficulty of steel members are reduced; the extending part of the embedded T-shaped embedded plate 8 is fixed with the steel flange 4 through welding, the thickness of the steel flange 4 is 10mm, and the length of the steel flange is reduced by 70mm compared with the diameter of the opening; the rubber flange 5 is tightly attached to the steel flange 4, the thickness of the rubber flange is 16mm, the rubber flange is in a natural extension state before the pipeline is jacked, the length of the rubber flange is reduced by 570mm compared with the diameter of a hole, and when the pipeline is jacked, the rubber flange is partially turned over, so that the rubber flange 5 and the outer wall of the mechanical jacking pipe 2 are tightly attached and sealed, and the effect of preventing underground water and thixotropic slurry from leaking is achieved; the first pressure plate 6 is an annular steel plate, the thickness of the first pressure plate is 10mm, the length of the first pressure plate is reduced by 270mm compared with the diameter of the hole, and the first pressure plate mainly has the function of ensuring that the rubber flange 5 and the steel flange 4 are tightly attached and sealed; the second pressing plate 7 is a plurality of strip-shaped steel plates, the thickness of the second pressing plate is 10mm, the length of the second pressing plate is 200mm smaller than the diameter of the hole, the second pressing plate 7 is uniformly arranged according to every 20 degrees, and particularly, the second pressing plate is shown in the attached drawing 3 and has the effect that the whole device is integrated through installation of the through bolts 9. The fixed through bolts 9 are arranged at positions 70mm away from the diameter of the hole, only penetrate through the steel flange 4 at the topmost part and the bottommost part of the top pipe, penetrate through the whole device at other places, and are driven into the well wall through bolt holes which are drilled in the well wall in advance for fixation; irregular space between circular open caisson inner wall and stagnant water device is filled up by meeting water inflation stagnant water glue 1 and meeting water inflation, it is fixed with the wall of a well that the first bonding through scribbling at the open caisson inner wall that meets water inflation stagnant water glue 1 is glued, then run through into the well wall through fixed through bolt 9 and make whole device form a whole, through looking into the standard, the expansion rate that meets water inflation stagnant water glue can reach 400%, through the slip casting pipe 7 injection clear water that pre-buried diameter is 25mm before the push pipe construction after whole device installation is accomplished, make the stagnant water glue meet water inflation, make whole space fill up, reach airtight stagnant water effect.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a circular working well entrance to a cave of machinery push pipe wall stagnant water structure, is located entrance to a cave (11) department that machinery push pipe (2) passed circular open caisson inner wall (1), its characterized in that: include through steel flange (4), rubber flange (5), clamp plate (6), clamp plate two (7) and through bolt (9) that from interior to exterior set up in order, on circular open caisson inner wall (1), machinery push pipe (2) top and below all are equipped with T type and bury board (8), steel flange (4) are cavity ring structure, from top to bottom bury board (8) welded fastening with T type respectively, and the left and right sides butt is on circular open caisson inner wall (1), and the inner ring wall is buckled towards circular open caisson inner wall (1) direction in rubber flange (5), and the kink outer wall supports on machinery push pipe (2) outer wall, and the space between rubber flange (5) and circular open caisson inner wall (1) is filled with water inflation stagnant glue (3).
2. The mechanical pipe-jacking circular working well opening wall-penetrating water stop structure as claimed in claim 1, wherein: the end parts of the through bolts (9) positioned at the T-shaped buried plate (8) are abutted against the steel flange (4), and other through bolts (9) penetrate through the steel flange (4) and are driven into the circular open caisson inner wall (1).
3. The mechanical pipe-jacking circular working well opening wall-penetrating water stop structure as claimed in claim 1, wherein: the T-shaped buried plate (8) comprises a horizontal part buried in the inner wall (1) of the circular open caisson and a vertical part directly welded and fixed with the steel flange (4), and anchor bars (10) are welded and fixed in the inner wall (1) of the circular open caisson and on the horizontal part.
4. The mechanical pipe-jacking circular working well opening wall-penetrating water stop structure as claimed in claim 1, wherein: the second pressing plate (7) is a strip-shaped steel plate with the thickness of 10mm, the second pressing plate (7) is arranged in a launching mode, and the included angle of the second pressing plate (7) is 20 degrees.
5. The mechanical pipe-jacking circular working well opening wall-penetrating water stop structure as claimed in claim 1, wherein: and a grouting pipe (12) is embedded in the inner wall (1) of the round open caisson.
6. The mechanical pipe jacking circular working well opening through-wall water stop structure according to any one of claims 1 to 5, characterized in that: the first pressure plate (6) is an annular steel plate with the thickness of 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021402390.2U CN213116339U (en) | 2020-07-16 | 2020-07-16 | Wall-penetrating water stop structure for mechanical pipe-jacking circular working well opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021402390.2U CN213116339U (en) | 2020-07-16 | 2020-07-16 | Wall-penetrating water stop structure for mechanical pipe-jacking circular working well opening |
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| Publication Number | Publication Date |
|---|---|
| CN213116339U true CN213116339U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021402390.2U Active CN213116339U (en) | 2020-07-16 | 2020-07-16 | Wall-penetrating water stop structure for mechanical pipe-jacking circular working well opening |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753870A (en) * | 2022-04-24 | 2022-07-15 | 广州市市政集团有限公司 | Business turn over hole stagnant water structure of little push pipe of direction formula |
-
2020
- 2020-07-16 CN CN202021402390.2U patent/CN213116339U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753870A (en) * | 2022-04-24 | 2022-07-15 | 广州市市政集团有限公司 | Business turn over hole stagnant water structure of little push pipe of direction formula |
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