CN219509681U - Simple assembly type shield tunnel steel seal door emergency device - Google Patents
Simple assembly type shield tunnel steel seal door emergency device Download PDFInfo
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- CN219509681U CN219509681U CN202320484655.5U CN202320484655U CN219509681U CN 219509681 U CN219509681 U CN 219509681U CN 202320484655 U CN202320484655 U CN 202320484655U CN 219509681 U CN219509681 U CN 219509681U
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- sealing plate
- shield tunnel
- plate
- inclined support
- upper sealing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model relates to a simple assembly type shield tunnel steel seal door emergency device which comprises an upper sealing plate, a lower sealing plate and an inclined support, wherein the upper sealing plate is arranged on the upper sealing plate; the upper sealing plate and the lower sealing plate are semicircular flat plates, have the same size and can be spliced into a sealing door which is suitable for the tunnel portal of the shield tunnel; the periphery of the sealing door and the splicing position of the upper sealing plate and the lower sealing plate are respectively provided with a water-swelling water stop strip; the edge of the sealing door is respectively provided with a plurality of bolt holes; the bolt holes correspond to the mounting nuts on the shield tunnel portal steel ring, and the upper sealing plate and the lower sealing plate can be mounted on the shield tunnel portal steel ring by bolts to seal the shield tunnel portal; the inclined support is in a straight rod shape, the upper end of the inclined support is connected with the sealing door, and the lower end of the inclined support is fixed on the bottom plate of the working well. According to the utility model, when the unexpected risk of water and mud surge possibly occurs in the construction process of the negative ring dismantling and the well joint of the shield tunnel, the tunnel portal of the shield tunnel can be plugged rapidly and effectively, and sufficient time is reserved for emergency rescue.
Description
Technical Field
The utility model relates to a building member, in particular to a tunnel construction member, and specifically relates to a simple assembly type shield tunnel steel seal door emergency device.
Background
When the method is used, the subway tunnel constructed by the shield method becomes the most mainstream and the safest method in urban rail transit construction. However, underground tunnel construction often creates unforeseen risks to the undermining project due to geological and groundwater complexities. Particularly, the risk of water and mud gushing occurs in the shield tunnel in the hole entering and exiting stage, the tunneling stage and the well joint sealing process, so that serious consequences such as ground collapse, house collapse, tunnel flooding, station well flooding, shield burying and the like are caused, and huge economic loss and bad social influence are caused for construction units and building units.
At present, when water and mud burst occur suddenly and unexpected, and the whole station is at risk of being flooded, the tunnel portal and the working well are backfilled mainly by adopting plain concrete or plain soil, and then the secondary excavation is carried out by adopting a grouting method. However, the method cannot deal with the leakage problem in the first time, consumes a large amount of concrete and other materials, and has the problem of grouting and plugging in the subsequent process, so that the construction is seriously affected.
Disclosure of Invention
The utility model aims to solve the problems in the current tunnel construction process, and provides a simple assembly type shield tunnel steel seal door emergency device which can effectively cope with unexpected risks such as water gushing, mud gushing and the like in the process of dismantling a negative ring of a shield tunnel and constructing a well joint, and can timely seal a tunnel door opening to provide sufficient time for emergency rescue.
The technical scheme of the utility model is as follows:
a simple assembly type shield tunnel steel seal door emergency device comprises an upper sealing plate, a lower sealing plate and an inclined support; the upper sealing plate and the lower sealing plate are semicircular flat plates, have the same size and can be spliced into a sealing door which is suitable for the tunnel portal of the shield tunnel; the periphery of the sealing door and the splicing position of the upper sealing plate and the lower sealing plate are respectively provided with a water-swelling water stop strip; the edge of the sealing door is respectively provided with a plurality of bolt holes; the bolt holes correspond to the mounting nuts on the shield tunnel portal steel ring, and the upper sealing plate and the lower sealing plate can be mounted on the shield tunnel portal steel ring by bolts to seal the shield tunnel portal; the inclined support is in a straight rod shape, the upper end of the inclined support is connected with the sealing door, and the lower end of the inclined support is fixed on the bottom plate of the working well.
Further, the upper end of the inclined support is connected with the sealing plate through an inclined support bracket, and the lower end of the inclined support is connected with the working well bottom plate through a ground anchor steel plate.
Further, 3 groups of diagonal bracing brackets are arranged on the upper sealing plate; and 6 groups of diagonal bracing brackets are arranged on the lower sealing plate.
Further, the inclined support is made of steel pipes and is different in length.
Further, two water-swelling water stop bars are arranged on the periphery of the sealing door; the water-swelling water stop bars are arc-shaped, are mutually spaced and concentrically arranged, and are provided with water-swelling water stop glue therebetween.
Further, the device also comprises a cross bar; the transverse latch is in a straight rod shape, is transversely arranged and is clamped in a plurality of clamping grooves arranged in rows, and two ends of the transverse latch are adjacent to the edge of the sealing door; the cross bars are a plurality of and are arranged in parallel at intervals; the clamping groove is L-shaped, the transverse limb ends of the clamping groove are fixed on the plate surfaces of the upper sealing plate and the lower sealing plate, and the vertical limb ends of the clamping groove are suspended.
Further, the steel is also included, and the wedge is arranged between the cross bar and the clamping groove.
Further, the device also comprises a plurality of rib plates; the rib plate is in a short plate shape, has different lengths, is vertically arranged on the upper sealing plate and the lower sealing plate, and is arranged between the cross bars.
Further, the device also comprises a limiting plate; the limiting plate is in a short plate shape and is arranged at the outer sides of the diameter sides of the upper sealing plate and the lower sealing plate; limiting plates on the upper sealing plate and the lower sealing plate are arranged in a staggered mode; the limiting plate on the upper sealing plate protrudes downwards; and the limiting plate on the lower sealing plate protrudes upwards.
The utility model has the beneficial effects that:
the utility model has reasonable design, simple structure and convenient use, and can rapidly mount the upper and lower sealing plates on the steel ring of the tunnel portal of the shield tunnel when the negative ring of the shield tunnel is dismantled and unexpected risks such as water and mud burst and the like possibly occur in the construction process of the well joint, and then support and strengthen the upper and lower sealing plates through the cross bolts, the inclined supports and the like, thereby ensuring that the tunnel portal is effectively plugged and providing sufficient time for emergency rescue.
Drawings
Fig. 1 is a schematic front view of the present utility model.
Fig. 2 is a schematic side view of the present utility model.
Fig. 3 is an enlarged schematic view at a in fig. 2.
Fig. 4 is an enlarged schematic view at B in fig. 2.
Fig. 5 is an enlarged schematic view at C in fig. 3.
Wherein, 1-upper sealing plate; 2-limiting plates; 3-rib plates; 4-lower sealing plates; 5-bolt holes; 6-cross bar; 7-clamping grooves; 8-diagonal bracing brackets; 9-steel mixing; 10-inclined support; 11-ground anchor steel plates; 12-a water-swelling water stop strip; 13-water swelling water stop glue.
Description of the embodiments
The utility model is further described below with reference to the drawings and examples.
As shown in fig. 1 to 5.
A simple assembly type shield tunnel steel seal door emergency device comprises an upper sealing plate 1, a lower sealing plate 4, a cross bar 6, an inclined support 10 and the like.
The upper sealing plate 1 and the lower sealing plate 4 are semicircular flat plates with the same size and are made of steel plates, and can be spliced up and down to form a sealing door which is suitable for a shield tunnel portal. Simultaneously, a plurality of bolt holes 5 are respectively arranged at the edges of the upper sealing plate 1 and the lower sealing plate 4. Moreover, the bolt holes 5 correspond to the mounting nuts on the steel ring of the shield tunnel portal, and the upper sealing plate 1 and the lower sealing plate 4 can be mounted on the steel ring of the shield tunnel portal by bolts to seal the shield tunnel portal.
Two water-swelling water stop strips 12 are arranged on the periphery of the sealing door. The two water-swelling water stop strips 12 are circular arc-shaped, have different diameters, are mutually spaced and concentrically arranged, and are provided with water-swelling water stop glue 13 therebetween so as to improve the sealing effect of the periphery of the sealing door. Meanwhile, the water-swelling water stop strip 12 is arranged on the splicing surface of the upper sealing plate 1 and the lower sealing plate 4, so that the tightness of the splicing position of the upper sealing plate 1 and the lower sealing plate 4 is ensured.
The cross bar 6 is in a straight bar shape and is made of I-steel. The cross bar 6 is transversely arranged and clamped in a plurality of clamping grooves 7 arranged in rows, and two ends of the cross bar are adjacent to the edge of the sealing door. The clamping groove 7 is L-shaped and is made of hot-rolled L-shaped steel, the transverse limb ends of the clamping groove are fixed on the plate surfaces of the upper sealing plate 1 and the lower sealing plate 4, and the vertical limb ends of the clamping groove are suspended, so that the clamping groove is convenient to install and use. The cross bars 6 are arranged in parallel at intervals so as to increase the overall rigidity of the door. Preferably, steel mixture 9 is wedged between the cross bar 6 and the clamping groove 7, so that the cross bar is more firmly installed.
The joint of the upper sealing plate 1 and the lower sealing plate 4 is provided with the clamping groove 7, and the height of the clamping groove 7 is matched with the height of the two cross bars 6, so that the two cross bars 6 are arranged in the clamping groove, and the strength of the joint is increased.
A plurality of rib plates 3 are further arranged on the upper sealing plate 1 and the lower sealing plate 4. The rib 3 is formed in a short plate shape and made of I-steel, and is welded between the cross bars 6 to improve the strength of the upper and lower sealing plates.
The splice of the upper sealing plate 1 and the lower sealing plate 4 is also provided with a plurality of limiting plates 2. The limiting plate 2 is in a short plate shape, can be made of a 20mm steel plate, and is uniformly arranged on the outer sides of the diameter sides of the upper sealing plate 1 and the lower sealing plate 4. Simultaneously, limiting plate on the upper seal plate 1 protrudes downwards, limiting plate on the lower seal plate 4 protrudes upwards, makes upper seal plate and lower seal plate can support on corresponding limiting plate when splice, ensures that the splice is leveled in place. Preferably, limiting plates on the upper sealing plate and the lower sealing plate are arranged in a staggered mode, and convenience in construction is improved.
The inclined support 10 is in a straight rod shape and is made of steel pipes, the upper end of the inclined support is connected with the upper sealing plate and the lower sealing plate through inclined support brackets 8, the lower end of the inclined support is connected with a working well bottom plate through a ground anchor steel plate 11, and the inclined support can be formed for the upper sealing plate and the lower sealing plate. The position of the diagonal bracing bracket 8 can be determined according to the horizontal stress of the upper sealing plate and the lower sealing plate and the operation convenience. In this embodiment, the diagonal bracing brackets are provided with three channels, which are respectively located at 1/6, 1/3 and 2/3 of the height of the tunnel portal of the shield tunnel, that is, the first channel and the second channel are located on the lower sealing plate 4, and the third channel is located on the upper sealing plate 1. And 2 diagonal bracing brackets are arranged on the first rail. And 4 diagonal bracing brackets are arranged on the second channel. And 3 diagonal bracing brackets are arranged on the third channel. Thus, an effective and stable support can be formed. Correspondingly, the length of the inclined support is different so as to adapt to inclined support brackets at different positions.
The utility model can finish the manufacture in a factory according to the corresponding size of the shield tunnel portal, and then the shield tunnel portal is transported to a construction site. During installation, the upper sealing plate or the lower sealing plate is firstly lifted to the tunnel portal by adopting a crane, and is quickly connected with a tunnel portal steel ring by adopting phi 22 bolts. Then, install the bearing diagonal on this shrouding to link to each other with the earth anchor steel sheet of installing on the working well bottom plate, ensure to support firmly. And then repeating the steps to finish the installation of the other sealing plate. And finally, all cross bars and steel mixtures are installed, so that the whole structure is firmly installed, and the blocking of the tunnel portal is realized.
The utility model has simple structure and convenient assembly and disassembly, and can rapidly and effectively plug the tunnel portal of the shield tunnel when the negative ring of the shield tunnel is dismantled and unexpected risks such as water and mud burst and the like possibly occur in the construction process of the well joint, thereby leaving sufficient time for emergency rescue.
The utility model is not related in part to the same as or can be practiced with the prior art.
Claims (9)
1. A simple assembly type shield tunnel steel seal door emergency device comprises an upper sealing plate, a lower sealing plate and an inclined support; the shield tunnel portal sealing device is characterized in that the upper sealing plate and the lower sealing plate are semicircular flat plates, have the same size and can be spliced into a sealing door which is matched with the shield tunnel portal; the periphery of the sealing door and the splicing position of the upper sealing plate and the lower sealing plate are respectively provided with a water-swelling water stop strip; the edge of the sealing door is respectively provided with a plurality of bolt holes; the bolt holes correspond to the mounting nuts on the shield tunnel portal steel ring, and the upper sealing plate and the lower sealing plate can be mounted on the shield tunnel portal steel ring by bolts to seal the shield tunnel portal; the inclined support is in a straight rod shape, the upper end of the inclined support is connected with the sealing door, and the lower end of the inclined support is fixed on the bottom plate of the working well.
2. The simple assembly type shield tunnel steel seal door emergency device according to claim 1, wherein the upper end of the inclined support is connected with the seal door through an inclined support bracket, and the lower end of the inclined support is connected with a working well bottom plate through a ground anchor steel plate.
3. The simple assembly type shield tunnel steel seal door emergency device according to claim 2, wherein 3 groups of diagonal bracing brackets are arranged on the upper sealing plate; and 6 groups of diagonal bracing brackets are arranged on the lower sealing plate.
4. The simple assembled shield tunnel steel seal door emergency device according to claim 1, wherein the inclined support is made of steel pipes and has different lengths.
5. The simple assembly type shield tunnel steel seal door emergency device according to claim 1, wherein two water-swelling water stop bars are arranged on the periphery of the seal door; the water-swelling water stop bars are arc-shaped, are mutually spaced and concentrically arranged, and are provided with water-swelling water stop glue therebetween.
6. The simple assembled shield tunnel steel seal door emergency device according to claim 1, further comprising a cross bar; the transverse latch is in a straight rod shape, is transversely arranged and is clamped in a plurality of clamping grooves arranged in rows, and two ends of the transverse latch are adjacent to the edge of the sealing door; the cross bars are a plurality of and are arranged in parallel at intervals; the clamping groove is L-shaped, the transverse limb ends of the clamping groove are fixed on the plate surfaces of the upper sealing plate and the lower sealing plate, and the vertical limb ends of the clamping groove are suspended.
7. The easy-to-assemble shield tunnel steel seal door emergency device of claim 6, further comprising steel, wedged between the cross bar and the clamping groove.
8. The easy-to-assemble shield tunnel steel seal door emergency device of claim 6, further comprising a plurality of ribs; the rib plate is in a short plate shape, has different lengths, is vertically arranged on the upper sealing plate and the lower sealing plate, and is arranged between the cross bars.
9. The simple assembly type shield tunnel steel seal door emergency device according to claim 1, further comprising a limiting plate; the limiting plate is in a short plate shape and is arranged at the outer sides of the diameter sides of the upper sealing plate and the lower sealing plate; limiting plates on the upper sealing plate and the lower sealing plate are arranged in a staggered mode; the limiting plate on the upper sealing plate protrudes downwards; and the limiting plate on the lower sealing plate protrudes upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320484655.5U CN219509681U (en) | 2023-03-14 | 2023-03-14 | Simple assembly type shield tunnel steel seal door emergency device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320484655.5U CN219509681U (en) | 2023-03-14 | 2023-03-14 | Simple assembly type shield tunnel steel seal door emergency device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219509681U true CN219509681U (en) | 2023-08-11 |
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ID=87525135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320484655.5U Active CN219509681U (en) | 2023-03-14 | 2023-03-14 | Simple assembly type shield tunnel steel seal door emergency device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219509681U (en) |
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2023
- 2023-03-14 CN CN202320484655.5U patent/CN219509681U/en active Active
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