CN214170549U - Device for emergency flood prevention of shield tunnel - Google Patents
Device for emergency flood prevention of shield tunnel Download PDFInfo
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- CN214170549U CN214170549U CN202023290699.XU CN202023290699U CN214170549U CN 214170549 U CN214170549 U CN 214170549U CN 202023290699 U CN202023290699 U CN 202023290699U CN 214170549 U CN214170549 U CN 214170549U
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Abstract
The utility model relates to a shield tunnel flood prevention technical field, concretely relates to a device for shield tunnel emergency flood prevention, which comprises a substrate, the base plate passes through section of jurisdiction arc bolt fastening and on entrance to a cave ring canal piece, be equipped with the packing unit in the base plate, packing unit and base plate fixed connection and base plate top are equipped with the manger plate unit, the manger plate unit comprises a plurality of breakwaters, fixed connection between the adjacent breakwaters, the device can arrange in advance under the prerequisite that does not influence normal construction, in the middle or low degree flood situation of proruption, do not need interim urgent preparation flood prevention material, operating personnel can establish one waterproof barricade in shield tunnel fast, prevent that the water from rushing into shield tunnel, avoided because of the economic loss and the incident that the tunnel caused is gone into to the water, through artifical alright operation completion during the installation, the operation security under the circumstances that there is water on the spot has been improved, Convenience and timeliness.
Description
The technical field is as follows:
the utility model relates to a shield tunnel flood prevention technical field, concretely relates to a device for shield tunnel emergency flood prevention.
Background art:
with the development and utilization of underground space in China and the continuous improvement of urban rail transit networks, shield tunnel construction has the advantages of high mechanization degree, high construction speed, small environmental influence and the like, the shield tunnel construction is more and more widely applied, the subway tunnels of the cities are almost constructed by a shield machine at present, some larger sewage, rainwater pipe galleries and electric power tunnels are also gradually constructed by the shield machine, the shield tunnel construction is used in more and more occasions along with the development of the shield tunnel construction technology, the maturity of equipment and the reduction of construction cost, the shield tunnel is generally circular in shape and is formed by splicing formed segments, the tunnel mouth of the shield tunnel in a station structure is open, tunnel construction segments, turnover materials, muck and the like are conveyed by a transport vehicle during construction, the bottom of the tunnel is paved with a track for transporting vehicle operation, the construction is convenient.
However, the existing shield tunnels are all provided with flood prevention devices, when a large amount of rainwater or sewage enters a station structure suddenly in summer flood season or under special conditions (such as pipeline breakage, side leakage of the station structure and the like), excessive water enters the shield tunnel through an open tunnel portal, when the accumulated water in the tunnel is excessive, the damage to valuable construction equipment can be caused, the life safety of construction personnel can be threatened, and great economic loss and serious safety accidents are caused.
The invention content is as follows:
the problem to current shield tunnel can't effectively prevent flood, the utility model provides a shield tunnel emergency flood prevention device, when having solved shield tunnel in the flood situation of unexpected low or middle degree, can be quick establish one waterproof barricade, prevent that water from gushing into shield tunnel, and do not need electric welding operation or gas cutting operation, operation security and convenience under the on-the-spot circumstances that has water have been improved, the purpose of quick manger plate water shutoff has been realized, avoided adopting the sand bag to prevent flood shield tunnel, the inefficiency of sand bag is piled, flood prevention height is low, can't satisfy the condition that shield tunnel flood prevention needs.
The utility model provides a scheme that its technical problem adopted is: a device for emergency flood prevention of a shield tunnel comprises a tunnel door ring duct piece, and further comprises a substrate, a filling unit and a water retaining unit, wherein the substrate is of a concave structure, the bottom of the substrate is fixed on the tunnel door ring duct piece through a duct piece arc bolt, a rubber sealing strip is arranged between the substrate and the tunnel door ring duct piece, the filling unit is arranged in the substrate and comprises a first filling plate and a second filling plate, the bottoms of the first filling plate and the second filling plate are fixedly connected with the substrate, the bottoms of the first filling plate and the second filling plate are provided with the sealing strip, and the tops of the first filling plate and the second filling plate are flush with the top of the substrate; the water retaining unit is arranged above the base plate, two ends of the water retaining unit are fixedly connected with the hole door ring pipe piece through the pipe piece arc-shaped bolt, a rubber sealing strip is arranged between the two ends of the water retaining unit and the hole door ring pipe piece, the bottom of the water retaining unit is fixedly connected with the base plate, the water retaining unit comprises a plurality of water retaining plates which are evenly arranged, the adjacent water retaining plates are fixedly connected, and a sealing strip is arranged at the bottom of each water retaining plate.
Further, the base plate comprises a first steel panel, the thickness of the first steel panel is 6mm, a connecting flange plate is arranged on the top and the inner side wall of the first steel panel, a rubber sealing strip is fixed on the inner side of the first steel panel, the first steel panel is fixedly connected with the hole door ring pipe piece through a pipe piece arc-shaped bolt, the width of the connecting flange plate on the top of the first steel panel is 160mm, and the width of the connecting flange plate on the inner side wall of the first steel panel is 80 mm.
Further, the thickness of the connecting flange plate is 20 mm.
Further, first infill panel includes steel panel two, and the second infill panel includes steel panel three, and the thickness of steel panel two and steel panel three is 6mm, and steel panel two all is equipped with flange plate with the week side of steel panel three, and steel panel two is 80mm with the flange plate width of being connected of three bottoms of steel panel and side, and the flange plate width of being connected on steel panel two and three tops of steel panel is 160mm, and first infill panel and second infill panel bottom are passed through fixing bolt and are fixed with the base plate.
Furthermore, the periphery of the water baffle is provided with a connecting flange plate, the width of the connecting flange plates on the two sides of the water baffle is 80mm, the width of the connecting flange plates at the top and the bottom of the water baffle is 160mm, a sealing strip is arranged in the connecting flange plate at the bottom of the water baffle, and the adjacent water baffles are fixedly connected through bolts.
Furthermore, a pipeline interface and a line interface are arranged on the substrate.
Furthermore, the filling unit and the water retaining unit are detachable.
The utility model has the advantages that:
first, the structure is unique, it is convenient to dismantle, the integrated device intensity is higher, it is firm to connect, at the base plate, under the effect of the flange plate that the load position of filling unit and manger plate unit was equipped with, the stability of integrated device has been improved, the security of integrated device has also been improved, in the time of the flood situation of the unexpected low or middle degree, the operation personnel can be in shield tunnel quick establish one waterproof barricade, prevent that water from rushing into shield tunnel, economic loss and the incident of causing because of water rushing into tunnel have been avoided, high efficiency, flood prevention ability is strong, adaptability is wide.
Secondly, the base plate, adopt bolt fixed connection between filling unit and the manger plate unit, do not need extra fixed part when the installation, do not need electric welding operation or gas cutting operation yet, through artifical alright operation completion, operation security and convenience under the on-the-spot circumstances that has water have been improved, the purpose of quick manger plate water shutoff has been realized, easy dismounting not only, also can cyclic utilization, avoided adopting the sand bag to prevent flood the shield tunnel, the inefficiency of pile sand bag, flood prevention height is low, can't satisfy the condition that the shield tunnel need flood prevention.
Thirdly, under the effect of rubber sealing strip and sealing strip, can avoid water to ooze from between base plate, filling unit and the manger plate unit, improved the device's waterproof performance.
Fourthly, after the installation of base plate, under normal operation, can lay track and guidance tape on the base plate, the needs of normal construction flow have been satisfied, track and guidance tape are detachable, dismantlement track and guidance tape that can be quick under emergency, set up waterproof barricade, this device can arrange well in advance under the prerequisite that does not influence normal construction, simple to operate, during the emergency flood situation, need not interim urgent preparation flood prevention goods and materials, the convenience of constructor operation under the flood situation has been improved, security and ageing.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Fig. 4 is an enlarged view of the portion B in fig. 2.
FIG. 5 is a schematic view of a base structure.
Fig. 6 is a sectional view taken along line B-B in fig. 5.
Fig. 7 is a top view of the base.
Fig. 8 is a front view of the first infill panel.
Fig. 9 is a sectional view taken along line D-D in fig. 8.
Fig. 10 is a front view of the second infill panel.
Fig. 11 is a sectional view taken along line C-C in fig. 10.
FIG. 12 is a front view of the splash plate.
Fig. 13 is a sectional view taken along line E-E in fig. 12.
Fig. 14 is a schematic structural view of the water blocking unit.
FIG. 15 is a schematic view of a substrate in use.
In the figure: 1-hole door ring pipe piece, 2-base plate, 3-steel panel I, 31-steel panel II, 32-steel panel III, 41-first filling plate, 42-second filling plate, 5-water retaining unit, 51-water retaining plate, 6-pipe piece arc bolt, 7-rubber sealing strip, 8-fixing hole, 9-connecting flange plate, 10-pipeline through hole, 11-line through hole, 12-screw hole, 13-sealing strip, 14-track and 15-transport vehicle.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the drawings and examples.
In order to solve the above problems, the embodiment provides a device for emergency flood prevention of a shield tunnel, as shown in fig. 1, which includes a tunnel portal ring segment 1, a base plate 2 is disposed at the bottom of the tunnel portal ring segment 1, as shown in fig. 5-7, the base plate 2 is in a concave structure, the base plate 2 includes a first steel panel 3 with a thickness of 6mm, the first steel panel 3 is provided with a pipeline through hole 10 and a line through hole 11, a water pipe passes through the pipeline through hole 10 and is sealed by welding, a line passes through the line through hole 11 and is sealed by a rubber strip, a connecting flange plate 9 is disposed at the top and the inner side wall of the first steel panel 3, the connecting flange plate 9 is uniformly provided with a plurality of screw holes 13, the connecting flange plate at the top of the first steel panel 3 has a width of 160mm, the connecting flange plate at the inner side wall of the first steel panel 3 has a width of 80mm, as shown in fig. 3, the inner side of the first steel panel 3 is provided with a rubber sealing strip 7, the rubber sealing strip 7 is fixed on the first steel panel 3, a screw hole corresponding to the duct piece arc-shaped bolt 6 is formed in the first steel panel 3, and the first steel panel 3 is fixedly connected with the hole door ring duct piece 1 through the duct piece arc-shaped bolt 6, so that the substrate 2 is fixedly arranged on the hole door ring duct piece 1; a filling unit is arranged in the base plate 2, the filling unit is detachable and comprises a first filling plate 41 and a second filling plate 42, as shown in fig. 8-9, the first filling plate 41 comprises a second steel panel 31, the thickness of the second steel panel 31 is 6mm, a connecting flange plate 9 is arranged on the periphery of the second steel panel 31, a plurality of screw holes 13 are uniformly formed in the connecting flange plate 9, the width of the connecting flange plate at the bottom end and the side edge of the second steel panel 31 is 80mm, a sealing strip 13 is arranged in the connecting flange plate at the bottom end of the second steel panel 31, and the width of the connecting flange plate at the top end of the second steel panel 31 is 160 mm; as shown in fig. 10-11, the second filling plate 42 includes a third steel panel 32, the third steel panel 32 has a thickness of 6mm, a connecting flange plate 9 is disposed on the periphery of the third steel panel 32, a plurality of screw holes 13 are uniformly formed in the connecting flange plate 9, the width of the connecting flange 9 at the bottom end and the side edge of the third steel panel 32 is 80mm, a sealing strip 13 is disposed in the connecting flange plate 9 at the bottom end of the third steel panel 32, and the width of the connecting flange plate at the top end of the third steel panel 32 is 160 mm; the connecting flange plate with the bottom end length of 80mm of the first filling plate 41 and the second filling plate 42 is in bolted connection with the connecting flange plate with the inner side wall length of 80mm of the substrate 2 through fixing bolts, the adjacent first filling plate 41 and the second filling plate 42 are connected together through fixing bolts, and after the first filling plate 41 and the second filling plate 42 are installed in the substrate 2 through bolts, the tops of the first filling plate 41 and the second filling plate 42 are flush with the top of the substrate 2.
As shown in fig. 1, a water retaining unit 5 is arranged above a base plate 2, rubber sealing strips 7 are arranged on the inner side surfaces of two ends of the water retaining unit 5, the rubber sealing strips 7 are fixed on the water retaining unit 5, and two ends of the water retaining unit 5 are fixedly connected with a tunnel door ring pipe piece 1 through a pipe piece arc bolt 6, so that the sealing property between the water retaining unit and the tunnel door ring pipe piece 1 is improved; as shown in fig. 12 to 14, the water retaining unit 5 is composed of a plurality of water retaining plates 51 which are uniformly arranged, the connecting flange plate 9 is arranged on the periphery of the water retaining plate 51, a plurality of screw holes 13 are uniformly formed on the connecting flange plate 9, the width of the connecting flange plate on both sides of the water retaining plate 51 is 80mm, the width of the connecting flange plate on the top and bottom of the water retaining plate 51 is 160mm, the left and right adjacent water retaining plates 51 are fixed by the connecting flange plate bolts on both sides, the upper and lower adjacent water retaining plates 51 are fixed by the connecting flange plate bolts on the top and bottom, as shown in fig. 4 and 13, a sealing strip 13 is arranged in the connecting flange plate at the bottom of the water retaining plate 51, so that water can be prevented from seeping between the water retaining plates 51, and each water retaining plate 51 is detachable.
As shown in fig. 15, after the substrate 2 is mounted on the tunnel gate ring segment 1 through the segment arc bolt 6, a track 14 and a walkway plate can be laid above the substrate 2 to meet the requirements of normal construction process, a transport vehicle 15 transports the tunnel construction segment, turnover materials, slag and the like required during construction through the track 14, the track 14 and the walkway plate are detachable and do not need to be detached by a cutting tool in a detachable manner, under the normal construction condition, a storage area is set near the substrate 2, and the first filling plate 41, the second filling plate 42 and each water baffle 51 in the water baffle unit are stored in the storage area and provided with corresponding construction tools; when the shield tunnel is in a low-degree sudden flood situation, a constructor detaches the track 14 and the walkway plates through a construction tool, manually carries and places the first filling plate 41 into the base plate 2, enables the screw hole 13 of the connecting flange plate at the bottom end of the steel panel II 31 to align with the screw hole 13 of the connecting flange plate at the inner side wall of the steel panel I3, then installs the first filling plate 41 and the second filling plate 42 together through a fixing bolt, carries and places the second filling plate 42 into the base plate 2, enables the screw hole 13 of the connecting flange plate at the bottom end of the steel panel III 32 to align with the screw hole 13 of the connecting flange plate at the inner side wall of the steel panel I3, then installs the first filling plate 41 and the second filling plate 42 together through a fixing bolt, fixes the connecting flange plates at the side edges of the adjacent first filling plate 41 and the second filling plate 42 through a fixing bolt, then the constructor fixedly installs the water baffle plates 51 in the water baffle unit 5 above the base plate 2 in sequence, first infill panel 41, second infill panel 42 and each breakwater 51 installation completion back, retighten all fixing bolt, thereby constitute the waterproof barricade of the high non-deformable of a side intensity, the device can arrange well in advance under the prerequisite that does not influence normal construction, in the flood situation of the low degree in proruption, need not prepare flood prevention goods and materials promptly, the operation personnel can be quick in shield tunnel establish one waterproof barricade, prevent that water from gushing into shield tunnel, economic loss and the incident of causing because of water gushing into the tunnel have been avoided, do not need extra fixed part during the installation, do not need electric welding operation or gas cutting operation yet, through artifical alright operation completion, the operational safety under the on-the-spot circumstances that has water has been improved, convenience and timeliness.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement and improvement made within the spirit and principle scope of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A device for emergency flood prevention of a shield tunnel comprises a tunnel portal ring pipe piece, and is characterized by further comprising a base plate, a filling unit and a water retaining unit, wherein the base plate is of a concave structure, the bottom of the base plate is fixed on the tunnel portal ring pipe piece through a pipe piece arc-shaped bolt, a rubber sealing strip is arranged between the base plate and the tunnel portal ring pipe piece, the filling unit is arranged in the base plate and comprises a first filling plate and a second filling plate, the bottoms of the first filling plate and the second filling plate are fixedly connected with the base plate, the bottoms of the first filling plate and the second filling plate are provided with the sealing strip, and the tops of the first filling plate and the second filling plate are flush with the top of the base plate; the water retaining unit is arranged above the base plate, two ends of the water retaining unit are fixedly connected with the hole door ring pipe piece through the pipe piece arc-shaped bolt, a rubber sealing strip is arranged between the two ends of the water retaining unit and the hole door ring pipe piece, the bottom of the water retaining unit is fixedly connected with the base plate, the water retaining unit comprises a plurality of water retaining plates which are evenly arranged, the adjacent water retaining plates are fixedly connected, and a sealing strip is arranged at the bottom of each water retaining plate.
2. The emergency flood prevention device for the shield tunnel according to claim 1, wherein the base plate comprises a first steel panel, the first steel panel is 6mm thick, connecting flange plates are arranged on the top and the inner side wall of the first steel panel, a rubber sealing strip is fixed on the inner side of the first steel panel, the first steel panel is fixedly connected with the portal pipe ring piece through a pipe piece arc bolt, the connecting flange plate on the top of the first steel panel is 160mm wide, and the connecting flange plate on the inner side wall of the first steel panel is 80mm wide.
3. The device for shield tunnel emergency flood prevention according to claim 2, wherein the thickness of the connecting flange plate is 20 mm.
4. The emergency flood prevention device for the shield tunnel according to claim 2, wherein the first filling plate comprises a second steel panel, the second filling plate comprises a third steel panel, the thicknesses of the second steel panel and the third steel panel are 6mm, the peripheral sides of the second steel panel and the third steel panel are respectively provided with a connecting flange plate, the widths of the connecting flange plates at the bottom ends and the side edges of the second steel panel and the third steel panel are 80mm, the widths of the connecting flange plates at the top ends of the second steel panel and the third steel panel are 160mm, and the bottom ends of the first filling plate and the second filling plate are fixed to the base plate through fixing bolts.
5. The device of claim 1, wherein the shield tunnel is provided with connecting flange plates at the circumferential sides of the breakwater, the connecting flange plates at the two sides of the breakwater are 80mm in width, the connecting flange plates at the top and bottom of the breakwater are 160mm in width, sealing strips are arranged in the connecting flange plates at the bottom of the breakwater, and adjacent breakwaters are fixedly connected by bolts.
6. The device for shield tunnel emergency flood prevention according to claim 1, wherein a pipeline interface and a line interface are arranged on the base plate.
7. The device for shield tunnel emergency flood prevention according to claim 1, wherein the filling unit and the water blocking unit are detachable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023290699.XU CN214170549U (en) | 2020-12-30 | 2020-12-30 | Device for emergency flood prevention of shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023290699.XU CN214170549U (en) | 2020-12-30 | 2020-12-30 | Device for emergency flood prevention of shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214170549U true CN214170549U (en) | 2021-09-10 |
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ID=77611105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023290699.XU Active CN214170549U (en) | 2020-12-30 | 2020-12-30 | Device for emergency flood prevention of shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214170549U (en) |
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2020
- 2020-12-30 CN CN202023290699.XU patent/CN214170549U/en active Active
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