CN219953443U - Freezing excavation guard gate of rich water sand layer communication channel - Google Patents
Freezing excavation guard gate of rich water sand layer communication channel Download PDFInfo
- Publication number
- CN219953443U CN219953443U CN202321514342.6U CN202321514342U CN219953443U CN 219953443 U CN219953443 U CN 219953443U CN 202321514342 U CN202321514342 U CN 202321514342U CN 219953443 U CN219953443 U CN 219953443U
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- CN
- China
- Prior art keywords
- plate
- door
- water
- seat
- sand layer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000004576 sand Substances 0.000 title claims abstract description 17
- 238000009412 basement excavation Methods 0.000 title claims abstract description 14
- 230000008014 freezing Effects 0.000 title claims abstract description 12
- 238000007710 freezing Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 title claims description 6
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000002689 soil Substances 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a freezing excavation protective door for a water-rich sand layer connecting channel, which comprises a duct piece and a bottom plate connected to the inner wall of the duct piece through pre-buried bolts, wherein the bottom plate is connected with a step seat through a side plate, the step seat and the side plate are of annular structures arranged around the connecting channel, a door plate is arranged on the inner side of the step seat, and a fixing assembly is arranged on one side, away from the step seat, of the door plate. According to the utility model, the bottom plate is connected inside the duct piece through the embedded bolts, the side plates, the step seat and the door plate encircle the connecting channel to form the plugging structure, so that the situation of water seepage and sand seepage is prevented when the connecting channel is excavated, the nut is rotated, the pressure is applied to the rotating plate, the pressure is applied to the door plate through the pressing block by the rotating plate, the door plate and the step seat are tightly adhered together, the leakage from the connecting seam is avoided, and as all parts in the fixing assembly are arranged outside, the sealing structure is not contacted with water and gas relative to the sealing structure, the possibility of corrosion is reduced, and the sealing structure is convenient to maintain.
Description
Technical Field
The utility model relates to the technical field of connection channel construction, in particular to a freezing excavation protection door for a water-rich sand layer connection channel.
Background
With the acceleration of the urban process, urban subways are increasingly favored by people due to the characteristics of safety, rapidness, punctual time and the like. The freezing method is safe and reliable as a temporary method for reinforcing the soil body of the subway tunnel connecting channel, has good social and economic benefits and development prospects, and is widely applied to the engineering construction of the connecting channel of the urban subway tunnel. The frozen soil curtain is a temporary support structure, and after the permanent support is formed, the frozen soil curtain stops freezing, and the frozen wall is melted.
By adopting the freezing method for construction, the underground water can be effectively isolated, the shape and the strength of the frozen soil curtain can be flexibly arranged and adjusted according to the construction site conditions, the frozen soil strength can reach 5MPa to 10MPa, and the work efficiency can be effectively improved. The stratum is reinforced by the freezing method, so that the construction safety of channel construction is effectively ensured, and the quality and the progress of engineering are ensured. With the rapid development of rail transit in China, the construction process of the freezing method is inevitably and widely applied to subway engineering; in the installation of the protective door, the connecting bolt is arranged inside and is easy to contact with water vapor, so that the protective door is corroded and is inconvenient to maintain.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a freeze excavation protection door for a water-rich sand layer connecting channel.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a rich water sand bed contact passageway freezes excavation guard gate, includes the section of jurisdiction and connects the bottom plate at its inner wall through pre-buried bolt, the bottom plate is connected with the ladder seat through the curb plate, and ladder seat and curb plate are the annular structure that encircles the contact passageway setting, and the ladder seat inboard is equipped with the door plant, and one side that the ladder seat was kept away from to the door plant is equipped with fixed subassembly, fixed subassembly and the fixed door plant of ladder seat centre gripping.
Preferably, the fixed subassembly is including fixing the fixing base at the ladder seat lateral wall, and the lateral wall of fixing base is connected with the double-screw bolt, has cup jointed the commentaries on classics board on the double-screw bolt, and the commentaries on classics board both sides are equipped with nut and spring respectively, and the nut is located the commentaries on classics board outside, and the one end inboard that the stud was kept away from to the commentaries on classics board is connected with the briquetting.
Preferably, the lap joint of the door plate and the step seat is in a step shape, and a plurality of sealing rings are arranged between the connecting surfaces.
Preferably, the door plate is of an arch structure, the inside of the door plate is hollow, and the inner wall of the door plate is connected with a plurality of rib plates.
Preferably, a drain pipe is installed on the door plate, and a pressure release valve is installed at the outer end of the drain pipe.
Preferably, the side walls of the bottom plate and the side plates are connected through a plurality of rib plates.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the bottom plate is connected inside the duct piece through the embedded bolts, the side plates, the step seat and the door plate encircle the connecting channel to form the plugging structure, so that the situation of water seepage and sand seepage is prevented when the connecting channel is excavated, the nut is rotated, the pressure is applied to the rotating plate, the pressure is applied to the door plate through the pressing block by the rotating plate, the door plate and the step seat are tightly adhered together, the leakage from the connecting seam is avoided, and as all parts in the fixing assembly are arranged outside, the sealing structure is not contacted with water and gas relative to the sealing structure, the possibility of corrosion is reduced, and the sealing structure is convenient to maintain.
Drawings
In order to more particularly and intuitively illustrate an embodiment of the present utility model or a technical solution in the prior art, a brief description of the drawings is provided below, which are required to be used in the description of the embodiment or the prior art.
FIG. 1 is a schematic structural view of a freeze excavation protection door for a water-rich sand layer communication channel of the utility model;
fig. 2 is an enlarged view of the part a of fig. 1.
In the figure: segment 1, door plant 2, floor 3, bottom plate 4, pre-buried bolt 5, curb plate 6, gusset 7, step seat 8, fixed subassembly 9, fixing base 91, double-screw bolt 92, revolving plate 93, nut 94, spring 95, briquetting 96, sealing washer 10, relief valve 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-2, a water-rich sand layer contact channel freezes excavation guard gate, including section of jurisdiction 1 and connect the bottom plate 4 at its inner wall through pre-buried bolt 5, bottom plate 4 is connected with ladder seat 8 through curb plate 6, and ladder seat 8 and curb plate 6 are the annular structure that encircles the contact channel setting, and ladder seat 8 inboard is equipped with door plant 2, and one side that door plant 2 kept away from ladder seat 8 is equipped with fixed subassembly 9, and fixed subassembly 9 and the fixed door plant 2 of ladder seat 8 centre gripping.
In this embodiment, fixed subassembly 9 is including fixing the fixing base 91 at the ladder seat 8 lateral wall, and the lateral wall of fixing base 91 is connected with double-screw bolt 92, has cup jointed the rotating plate 93 on the double-screw bolt 92, and rotating plate 93 both sides are equipped with nut 94 and spring 95 respectively, and the nut 94 is located the rotating plate 93 outside, and rotating plate 93 keeps away from the inboard briquetting 96 that is connected with of one end of double-screw bolt 92, and the setting of spring 95 guarantees the balance of rotating plate 93.
The bottom plate 4 is connected inside duct piece 1 through pre-buried bolt 5 to encircle the contact passageway through curb plate 6, ladder seat 8 and door plant 2 and form the shutoff structure, prevent when the contact passageway excavates, the circumstances that infiltration oozes sand appears, through swivel nut 94, exert pressure to swivel plate 93, swivel plate 93 exerts pressure to door plant 2 through briquetting 96, guarantee that door plant 2 closely pastes together with ladder seat 8, avoid from the joint seam seepage, and because each part in the fixed subassembly 9 all sets up in the outside, for setting up inside, can not contact with the aqueous vapor, reduce its possibility of corroding, in the outside, it is also comparatively convenient to maintain.
In this embodiment, the overlapping part of the door plate 2 and the step seat 8 is a step, and a plurality of sealing rings 10 are arranged between the connecting surfaces, so that the sealing performance of the connecting surfaces is improved.
In this embodiment, the door panel 2 has an arch structure, the interior of which is hollow, and the inner wall of which is connected with a plurality of rib plates 3, and the arch structure improves the impact resistance thereof.
In this embodiment, install the drain pipe on the door plant 2, and the relief valve 11 is installed to the outer end of drain pipe, and when needs, accessible relief valve 11 carries out the pressure release, and the lateral wall of bottom plate 4 and curb plate 6 links to each other through a plurality of gusset 7, improves its joint strength.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a rich water sand bed contact passageway freezes excavation guard gate, includes section of jurisdiction (1) and connects bottom plate (4) at its inner wall through pre-buried bolt (5), a serial communication port, bottom plate (4) are connected with ladder seat (8) through curb plate (6), and ladder seat (8) and curb plate (6) are the annular structure that encircles the contact passageway setting, and ladder seat (8) inboard is equipped with door plant (2), and one side that ladder seat (8) was kept away from to door plant (2) is equipped with fixed subassembly (9), and fixed door plant (2) are held to fixed subassembly (9) and ladder seat (8).
2. The freezing excavation protection door for the water-rich sand layer communication channel according to claim 1, wherein the fixing assembly (9) comprises a fixing seat (91) fixed on the side wall of the step seat (8), a stud (92) is connected to the side wall of the fixing seat (91), a rotating plate (93) is sleeved on the stud (92), nuts (94) and springs (95) are respectively arranged on two sides of the rotating plate (93), the nuts (94) are located on the outer side of the rotating plate (93), and a pressing block (96) is connected to the inner side of one end, far away from the stud (92), of the rotating plate (93).
3. The freezing excavation protection door for the water-rich sand layer connecting channel according to claim 2, wherein the lap joint of the door plate (2) and the step seat (8) is of a step shape, and a plurality of sealing rings (10) are arranged between the connecting surfaces.
4. A water-rich sand layer connecting channel freezing excavation protection door according to claim 3, characterized in that the door plate (2) is of an arch structure, the inside of the door plate is hollow, and a plurality of rib plates (3) are connected to the inner wall of the door plate.
5. The freeze excavation protection door for the water-rich sand layer communication channel according to claim 4, wherein a drain pipe is installed on the door plate (2), and a pressure release valve (11) is installed at the outer end of the drain pipe.
6. The freeze excavation protection door for the water-rich sand layer connecting channel according to claim 5, wherein the side walls of the bottom plate (4) and the side plates (6) are connected through a plurality of rib plates (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321514342.6U CN219953443U (en) | 2023-06-14 | 2023-06-14 | Freezing excavation guard gate of rich water sand layer communication channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321514342.6U CN219953443U (en) | 2023-06-14 | 2023-06-14 | Freezing excavation guard gate of rich water sand layer communication channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953443U true CN219953443U (en) | 2023-11-03 |
Family
ID=88546126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321514342.6U Active CN219953443U (en) | 2023-06-14 | 2023-06-14 | Freezing excavation guard gate of rich water sand layer communication channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953443U (en) |
-
2023
- 2023-06-14 CN CN202321514342.6U patent/CN219953443U/en active Active
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| GR01 | Patent grant |