CN212534418U - Inspection well - Google Patents
Inspection well Download PDFInfo
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- CN212534418U CN212534418U CN202020588202.3U CN202020588202U CN212534418U CN 212534418 U CN212534418 U CN 212534418U CN 202020588202 U CN202020588202 U CN 202020588202U CN 212534418 U CN212534418 U CN 212534418U
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- connecting column
- well
- well chamber
- chamber
- construction
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- 238000007689 inspection Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000004519 grease Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 240000004282 Grewia occidentalis Species 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006333 epoxy cement Polymers 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an inspection shaft relates to drainage construction technical field, and the inspection shaft includes: the first well chamber and the second well chamber are spliced along the vertical direction; the first connecting column and the second connecting column are respectively arranged in the first well chamber and the second well chamber in a penetrating mode in the vertical direction, the connecting end faces of the first connecting column and the second connecting column are not coplanar with the splicing faces of the first well chamber and the second well chamber, the situation that the joints are prone to dislocation can be avoided, the overall stability of the inspection well is improved, the inspection well is simple in structure, construction is facilitated, and construction efficiency and engineering quality are improved. The utility model provides a connection stability is good, inspection shaft of easily being under construction.
Description
Technical Field
The utility model relates to a drainage construction technical field, concretely relates to inspection shaft.
Background
The inspection well is the underground drainage facility that often uses in the current municipal construction, and the inspection well need carry out the fixed construction of wall of a well after the foundation ditch excavation. The well wall fixing construction in the prior art is mainly in the following two modes: the first method is that the well wall pouring construction or the brick block stacking construction is directly carried out at the bottom of a deep foundation pit, although the integrity of the well wall is good, the construction period is greatly influenced by underground water and rainfall, and the construction efficiency is low. The second kind is prefabricated well room concrete member, and it is fixed with prefabricated component concatenation in deep basal pit, this kind of mode has improved the efficiency of construction, but still adopts the concrete connection between the wall of a well multistage prefabricated concrete well room, and the wholeness is poor, easily causes the dislocation between the well section under the effect of unbalanced side direction construction load.
Therefore, the chinese patent document CN105862990B discloses a prefabricated well wall structure, which is formed by splicing and assembling a plurality of prefabricated pipe pieces in the longitudinal direction and the circumferential direction, wherein a plurality of prestressed through holes penetrating through the upper end and the lower end are arranged in the prefabricated pipe pieces at intervals, and prestressed connecting pieces are arranged in the prestressed through holes, and are steel strands or steel bars, so that the prefabricated pipe pieces are stably connected together through the prestressed steel strands or the steel bars in the longitudinal direction, and are connected through pins between two longitudinally adjacent prefabricated pipe pieces. However, a specific connection mode of the prestressed connecting piece is not disclosed, and as can be seen from the attached drawing 3 in the specification, the pin is located at the joint of two adjacent prefabricated pipe segments, so that when unbalanced lateral construction load is applied, particularly when the load acts on the joint of two prefabricated pipe segments, the pin is still easy to move, and the connection stability is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the assembled inspection shaft among the prior art and easily causing the well intersegment dislocation under the effect of uneven side direction construction load, connects the poor defect of stability to an inspection shaft is provided.
In order to solve the technical problem, the utility model provides an inspection well, include:
the first well chamber and the second well chamber are spliced along the vertical direction; the first connecting column and the second connecting column are respectively arranged in the first well chamber and the second well chamber in a penetrating mode in the vertical direction, and the connecting end faces of the first connecting column and the second connecting column are not coplanar with the splicing faces of the first well chamber and the second well chamber.
The connecting device also comprises a fastener sleeved on the connecting end face.
The fastener is the screw thread sleeve pipe, first spliced pole with the second spliced pole is close to the one end of connection terminal surface all the shaping have with the external screw thread of screw thread sleeve pipe adaptation.
And the first well chamber is internally provided with an accommodating space of the fastener, and the fastener is in sliding connection with the inner wall of the accommodating space.
And a grouting layer is filled between the splicing surfaces of the first well chamber and the second well chamber.
And a sheath is arranged outside the first connecting column and the second connecting column, and lubricating grease is filled between the inner walls of the sheaths.
And an elastic fastening component is arranged at one end of the first connecting column and one end of the second connecting column, which are far away from the connecting end face.
The utility model discloses technical scheme has following advantage:
1. the utility model provides an inspection well, which is formed by splicing a first well chamber and a second well chamber arranged along the vertical direction, reduces the number of splicing components and ensures that the whole structure is more stable; wear to establish first spliced pole and the second spliced pole in first well room and the second well room along vertical direction respectively, play joint support fixed action to the well room, and the connection terminal surface of first spliced pole and second spliced pole is not coplane with the concatenation face of first well room and second well room, the connection terminal surface is located different level with the concatenation face promptly, the direct dislocation removal of the connection terminal surface that causes when having avoided unbalanced side direction construction load direct action to the concatenation face, the holistic steadiness of well room has been strengthened.
2. The utility model provides an inspection shaft still establishes the fastener on connecting the terminal surface including the cover, and the fastener is threaded sleeve, will be close to the first spliced pole and the second spliced pole fixed connection that the terminal surface shaping has the external screw thread of connection, plays and connects the fixed action, and the accommodation space inner wall sliding connection that sets up in fastener and the first well room, the construction concatenation of the first well room of being convenient for and second well room improves the efficiency of construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of the inspection well of the present invention;
fig. 2 is a side view of the inspection well of the present invention;
FIG. 3 is a partial cross-sectional structural view of the splice face and the connection end face shown in FIG. 1;
FIG. 4 is a schematic structural view of the elastic fastening assembly shown in FIG. 1;
FIG. 5 is a top view of FIG. 1;
FIG. 6 is a partial schematic view of a connection end face of the inspection well of FIG. 1;
description of reference numerals:
1. a first well chamber; 2. a first connecting column; 3. splicing the surfaces; 4. a second well chamber; 5. a concrete cushion; 6. an accommodating space; 7. a fastener; 8. anchoring recesses; 9. anchoring a prepared mother; 10. anchoring the baffle; 11. an anchor nut; 12. an anchor backing plate; 13. a spiral rib; 14. a grouting pipe; 15. epoxy daub; 16. a second connecting column; 17. a sheath.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1 to 6 illustrate a specific embodiment of the manhole provided by the present invention, which takes the manhole of an underground drainage facility as an example, and includes:
a first well chamber 1 and a second well chamber 4 which are spliced along the vertical direction; a first connecting column 2 and a second connecting column 16 respectively vertically penetrating the first well chamber 1 and the second well chamber 4.
The connection end faces of the first connection column 2 and the second connection column 16 are located above the splicing faces 3 of the first well chamber 1 and the second well chamber 4, so that the dislocation deformation of the well chamber caused by the fact that the connection end faces and the splicing faces 3 are stressed in a coplanar mode when the well chamber is subjected to lateral construction load is avoided, and the stability of the overall structure of the well chamber is enhanced.
Specifically, as shown in fig. 3, the joint surfaces 3 of the first well 1 and the second well 4 are tongue-and-groove joint surfaces to prevent a through-gap. Arranging the connecting end surface above the splicing surface 3 in the first well chamber 1; the threaded sleeve used as the fastener 7 is sleeved on the connecting end surfaces of the first connecting column 2 and the second connecting column 16, and external threads are formed at the ends, close to the connecting end surfaces, of the first connecting column 2 and the second connecting column 16 respectively, so as to form a tight fit with the threaded sleeve. For the convenience at the sliding connection of threaded sleeve in first well room 1 in assembly process, have seted up accommodation space 6 near splice face 3 department in first well room 1, accommodation space 6 diameter slightly is greater than threaded sleeve diameter, highly is greater than threaded sleeve's height to first spliced pole 2 and threaded sleeve follow reciprocating of accommodation space 6 when making things convenient for first spliced pole 2 and the connection of second spliced pole 16.
In order to ensure that the first connecting column 2 and the second connecting column 16 are connected in the first well chamber 1 and the second well chamber 4 in a sliding manner in the construction process, through holes for accommodating the first connecting column 2 and the second connecting column 16 are formed in the first well chamber 1 and the second well chamber 4 which are prepared by using a steel bar core pulling process, and the inner walls of the through holes are fixedly embedded with sheaths 17 made of high-density polyethylene resin materials and are respectively sleeved outside the first connecting column 2 and the second connecting column 16. In order to further reduce the friction between the first connecting post 2 and the second connecting post 16 and the inner wall of the through hole, the inner wall of the sheath 17 is coated with grease.
The end, far away from the connection end face, of the first connecting column 2 and the second connecting column 16 is provided with an elastic fastening assembly, the end portions of the first connecting column 2 and the second connecting column 16 are fixed in an anchor recess 8 formed in the inner portion of the well chamber, and the depth of the anchor recess 8 is not smaller than the length of the elastic fastening assembly, the first connecting column 2 and the second connecting column 16 extending out of the inner portion of the well chamber.
As shown in fig. 4, the elastic fastening assembly includes an anchor backing plate 12, an anchor nut 11, an anchor baffle 10, and an anchor nut 9, which are sequentially sleeved from the end of the first connecting column 2 or the second connecting column 16 to the direction far away from the connecting end surface, wherein the anchor nut 9 and the anchor nut 11 are both in threaded connection with the first connecting column 2 and the second connecting column 16, and the anchor baffle 10 and the anchor backing plate 12 are both in clearance fit and sliding connection with the first connecting column 2 and the second connecting column 16; spiral ribs 13 with one ends elastically and fixedly connected to the end face of the anchor backing plate 12 are arranged on the inner wall of the well chamber on one side of the first connecting column 2 and one side of the second connecting column 16 far away from the anchor recess 8.
As shown in fig. 6, a grouting layer is further filled between the splicing surfaces 3 of the first well chamber 1 and the second well chamber 4, and a grouting pipe 14 laid on the tongue-and-groove connection surface is used for performing a grouting process in a construction process, so that the accommodating space 6, the gaps between the first connection column 2 and the inner wall of the well chamber and the gaps between the second connection column 16 and the inner wall of the well chamber are all filled with grouting, and the connection firmness and the overall stability of the well chamber are ensured. The grouting pipe 14 is a PVC hose, and a quincunx grouting hole with the diameter of 12mm is arranged on the pipe.
The inspection well comprises the following steps in the construction process:
The well chamber plane ruler is 3400mm multiplied by 1900mm multiplied by 4400mm, a group of elastic fastening components and a second connecting column 16 are embedded in the manufacturing process of a second well chamber 4, a pore channel is reserved at the position of a first connecting column 2 by adopting a mould in the prefabricating process of a first well chamber 1, the first well chamber 1 and the second well chamber 4 are respectively provided with 20 first connecting columns 2 and 20 second connecting columns 16 along the circumferential direction, four corners of the well chamber are respectively provided with 5 connecting columns at uniform intervals, a sheath is arranged in the pore channel, and protective lubricating grease is smeared in the sheath; the first connecting column 2 is inserted into the pore channel of the first well chamber 1 in a sliding manner, and the other group of elastic fastening components at the end part of the first connecting column 2 are firstly preliminarily fixed to prevent the first connecting column 2 from falling off.
Placing the second well chamber 4 which is well manufactured above a concrete cushion 5, hoisting the first well chamber 1 to be hung 50cm above the second well chamber 4, aligning the first connecting column 2 and the second connecting column 16, sleeving the threaded casing on one end, close to the connecting end face, of the first connecting column 2 for fixing, inserting the second connecting column 16 into the threaded casing, and paving the grouting pipe 14 on the splicing face on the second well chamber 4.
Hoisting the first well chamber 1 to a position 1cm above a splicing surface 3 of the second well chamber, sequentially screwing an anchor nut 11 and an anchor backup nut 9 at the top of the first well chamber 1, performing single-end single-support tensioning on the first connecting column 2, wherein the position label of each first connecting column 2 is shown in fig. 5, the tensioning must be performed simultaneously in a four-corner axis symmetry manner, namely the tensioning sequence is N1 → N2 → N3 → N4 → N5, performing double control on the tensioning force and the stretching amount, mainly controlling the tensioning force, and controlling the difference between the actual stretching amount and the theoretical stretching amount within 6% when the tensioning reaches the designed tonnage; after the prestressed steel bundles are tensioned, the anchor is sealed by C40 concrete.
And after the prestress of the inspection well is completely tensioned, grouting is carried out on the tongue-and-groove connecting surface from the grouting pipe 14, C40 cement slurry is adopted, PO.42.5 common portland cement is adopted as the cement, the water-cement ratio is not more than 0.35, bleeding is avoided, and the final setting time of the cement is not more than 24 hours. Before grouting, whether the tongue-and-groove connecting surface is tightly blocked is checked, and the part which is not tightly blocked is blocked by adopting epoxy cement gum 15.
As an alternative embodiment, the well chamber may comprise three or more spliced in a vertical direction according to the actual depth.
As an alternative embodiment, the connection end faces of the first and second connection columns 2, 16 are located below the joint faces 3 of the first and second chambers 1, 4.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (7)
1. An inspection well, comprising:
the well comprises a first well chamber (1) and a second well chamber (4) which are spliced in the vertical direction;
the first connecting column (2) and the second connecting column (16) are respectively arranged in the first well chamber (1) and the second well chamber (4) in a penetrating mode in the vertical direction, and the connecting end faces of the first connecting column (2) and the second connecting column (16) are not coplanar with the splicing faces (3) of the first well chamber (1) and the second well chamber (4).
2. The manhole according to claim 1, further comprising a fastener (7) fitted over the connection end face.
3. The manhole according to claim 2, wherein the fastening element (7) is a threaded sleeve, and the ends of the first connecting column (2) and the second connecting column (16) close to the connecting end face are each formed with an external thread adapted to the threaded sleeve.
4. The manhole according to claim 2, wherein a housing space (6) for the fastening element (7) is provided in the first chamber (1), the fastening element (7) being slidingly coupled to an inner wall of the housing space (6).
5. The manhole according to any of claims 1 to 4, wherein a grouting layer is further filled between the spliced faces (3) of the first and second chambers (1, 4).
6. The manhole according to any of claims 1 to 4, wherein a jacket (17) is provided outside the first connecting column (2) and the second connecting column (16), and grease is filled between the inner walls of the jacket (17).
7. Manhole according to any of claims 1 to 4, wherein a resilient fastening assembly is provided at the ends of the first (2) and second (16) connecting columns remote from the connection end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020588202.3U CN212534418U (en) | 2020-04-17 | 2020-04-17 | Inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020588202.3U CN212534418U (en) | 2020-04-17 | 2020-04-17 | Inspection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212534418U true CN212534418U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020588202.3U Active CN212534418U (en) | 2020-04-17 | 2020-04-17 | Inspection well |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501965A (en) * | 2020-04-17 | 2020-08-07 | 中建科工集团有限公司 | Inspection well and construction method thereof |
| CN114108392A (en) * | 2021-11-29 | 2022-03-01 | 成都蜀禹通途新材料科技有限公司 | Fully-assembled underground seepage and drainage system |
-
2020
- 2020-04-17 CN CN202020588202.3U patent/CN212534418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501965A (en) * | 2020-04-17 | 2020-08-07 | 中建科工集团有限公司 | Inspection well and construction method thereof |
| CN114108392A (en) * | 2021-11-29 | 2022-03-01 | 成都蜀禹通途新材料科技有限公司 | Fully-assembled underground seepage and drainage system |
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