CN216811780U - Emergency flood-proof door for construction of connecting channel - Google Patents
Emergency flood-proof door for construction of connecting channel Download PDFInfo
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- CN216811780U CN216811780U CN202220413421.7U CN202220413421U CN216811780U CN 216811780 U CN216811780 U CN 216811780U CN 202220413421 U CN202220413421 U CN 202220413421U CN 216811780 U CN216811780 U CN 216811780U
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Abstract
The utility model discloses an emergency flood gate for construction of a connecting channel, which comprises a gate body, a horizontal section steel support and a pair of vertical section steel supports, wherein the horizontal section steel support and the pair of vertical section steel supports are arranged in the channel, the horizontal section steel support corresponds to the top of the pair of vertical section steel supports to form a door frame structure, the top of the gate body is hinged and connected with the horizontal section steel support through a hinge, a lifting lug for lifting and opening is arranged on the gate body, the gate body is connected with the vertical section steel supports through a detachable bolt structure, and steel plate structures are arranged between the horizontal section steel support and the vertical section steel support and between duct pieces arranged in the channel. The installation is simple, stable and reliable, and the sealing effect is good; the flood-proof door fully utilizes the temporary steel supports erected in the tunnel during the excavation of the contact channel, and the door body adopts an up-and-down opening and closing structure.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to an emergency flood gate for construction of a connecting channel.
Background
The communication channel is a transverse channel arranged between two subway tunnels, and has the functions of safely evacuating passengers, draining water in the tunnels, preventing fire, fighting fire and the like. The 'subway design Specification' of China stipulates: two single line interval tunnels are provided with communication channels, and the distance between two adjacent communication channels is not more than 600 m.
The connection channel is generally constructed from one side tunnel to the other side tunnel after the left and right shield tunnels are communicated, and the current domestic subway connection channel is mainly constructed by a subsurface excavation method and an advanced pre-support method. The construction of the contact channel is a major hazard source, and particularly, the construction of the contact channel of a water-rich sand-containing stratum is easy to cause water gushing and sand gushing accidents, and has extremely high risk. At home and abroad, a plurality of communication channels have collapse and other emergency situations in the excavation process and cannot be timely isolated from the shield tunnel, so that a large amount of silt flows into the shield tunnel, and the serious safety quality accidents such as ground collapse, tunnel flooding, casualties and the like are directly caused.
In order to timely block the communication channel and the shield tunnel in case of emergency, an emergency flood gate is usually installed on an excavation opening of the communication channel, and the current common flood gate structure forms (such as a plane structure, a horizontal push-pull structure and the like) have the defects of difficult installation, slow closing speed, poor sealing effect and the like, so that the problem cannot be fundamentally solved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the emergency flood gate used for the construction of the connecting passage, so as to achieve the purposes of simple installation, stability and reliability.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
this emergent flood gate that contact passageway construction was used, including the door body, still support with a pair of vertical shaped steel including the horizontal shaped steel that sets up in the passageway, horizontal shaped steel supports and corresponds a pair of vertical shaped steel support top and sets up and form the door frame structure, the top of the door body is passed through the hinge and is supported articulated continuous with horizontal shaped steel, is equipped with the lug that is used for lifting by crane and opens on the door body, link to each other through detachable bolt structure between the door body and the vertical shaped steel support, horizontal shaped steel support and vertical shaped steel support all are equipped with the steel sheet structure with establishing between the section of jurisdiction in the passageway.
Further:
the door body and the vertical section steel support are provided with corresponding bolt holes.
The door body is provided with a group of connected back edges.
And a fan-shaped steel plate is arranged between the vertical section steel support and the duct piece, and the inner side of the fan-shaped steel plate is connected with the side horizontal section steel support in a welding manner.
And a rectangular steel plate is arranged between the horizontal steel support at the top of the door frame structure and the duct piece.
And the edge part of the vertical section steel support corresponding to the door body is provided with a sealing rubber pad.
Sealing strips are arranged among the abutted seams in the fan-shaped steel plates, the duct pieces and the vertical parts of the door frame structures.
Sealing strips are arranged between the rectangular steel plate and the duct piece and between the rectangular steel plate and the horizontal parts of the doorframe structure.
Compared with the prior art, the utility model has the following advantages:
the emergency flood-proof door used for the construction of the communication channel has the advantages of reasonable structural design, simple and convenient installation, stability, reliability and good sealing effect; when an emergency situation occurs during excavation of the communication channel, the communication channel and the through tunnel can be blocked in time, so that a large amount of silt is prevented from flowing into the tunnel, and the safety of personnel and mechanical equipment is endangered; the flood-proof door fully utilizes the temporary steel supports erected in the tunnel during the excavation of the contact channel, and the door body adopts an up-and-down opening and closing structure.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic structural diagram of the door body of the utility model.
Fig. 2 is a front view of the flood gate structure of the present invention.
FIG. 3 is a side view of the flood gate structure of the present invention.
FIG. 4 is a top view of the flood gate structure of the present invention.
In the figure:
1. the door body, 2 back edges, 3 lifting lugs, 4 hinges, 5 vertical section steel supports, 6 bolt holes, 7 fan-shaped steel plates, 8 side horizontal section steel supports, 9 rectangular steel plates and 10 top horizontal section steel supports.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the emergency flood gate used for the construction of the communication channel comprises a gate body 1, a horizontal section steel support and a pair of vertical section steel supports, wherein the horizontal section steel support is arranged in the channel and corresponds to the top of the pair of vertical section steel supports to form a gate frame structure, the top of the gate body is hinged with the horizontal section steel support through a hinge, namely is connected with the top of the gate frame structure through the hinge 4, a lifting lug 3 for lifting and opening is arranged on the gate body, and the gate body is opened through a chain block or an electric hoist; the door body and the vertical section steel support are connected through a detachable bolt structure, and the horizontal section steel support, the vertical section steel support and the duct piece arranged in the channel are both provided with steel plate structures, so that the door body is stable and reliable.
The door body 1 and the vertical section steel support are both provided with corresponding bolt holes 6, and the door body is provided with a group of connected back edges. Specifically, the door body is manufactured by welding steel plates with back edges, the hinge is installed at the top of the door body, lifting lugs are installed on the door body in the vertical and horizontal directions, bolt holes are formed in the left side and the right side of the door body, and the door body is closed stably and reliably through bolt fastening.
The utility model fully utilizes the temporary profile steel support erected in the tunnel during the contact construction, forms a three-dimensional closed structure at the excavated opening, separates the silt outside the shield tunnel, and adopts an up-and-down opening and closing structure for the door body.
Further, a fan-shaped steel plate 7 is arranged between the vertical section steel support and the duct piece, and the inner side of the fan-shaped steel plate is connected with a side horizontal section steel support 8 in a welding mode; a rectangular steel plate 9 is arranged between the horizontal steel support 10 at the top of the doorframe structure and the pipe piece; the vertical section steel supports 5, and sealing rubber pads are arranged on the edge parts corresponding to the door body. Sealed effectual, can in time block contact passageway and the tunnel that has link up when emergency appears in the contact passageway excavation, avoid inside a large amount of silt gushes into the tunnel, endanger personnel, mechanical equipment safety.
Furthermore, sealing strips are arranged among the abutted seams in the fan-shaped steel plates, the duct pieces and the vertical parts of the door frame structures. And sealing strips are arranged between the rectangular steel plate and the duct piece and between the rectangular steel plate and the horizontal part of the doorframe structure, so that the sealing performance is good.
Preferred specific examples are:
according to the emergency flood-proof door structure, the temporary support, the door body, the fan-shaped steel plate and the rectangular steel plate in the tunnel are combined, and the door body is opened and closed up and down, so that the emergency flood-proof door structure for the connection channel excavation hole is formed, and silt of the connection channel can be effectively prevented from flowing into the tunnel.
In this embodiment, the door body 1 is fixed on the top horizontal section steel support 10 through the hinge 4, the back edge 2 is arranged on the door body 1 to increase the rigidity of the door body, and the lifting lug 3 is arranged on the door body 1 to open the door body through the chain block.
In this embodiment, fan-shaped steel sheet 7 is installed between the vertical shaped steel support 5 in door 1 both sides and the section of jurisdiction to it is firm with the horizontal shaped steel support 8 welding in side, plays the effect of closed silt in door both sides.
In this embodiment, the rectangular steel plate 9 is installed between the horizontal steel support 10 and the duct piece at the top of the door body 1, and plays a role in sealing silt at the top of the door body.
In this embodiment, all set up the sealing strip between 7 patchings of fan-shaped steel sheet, between 9 patchings of rectangle steel sheet, between 7 and section of jurisdiction and the vertical shaped steel support 5 of fan-shaped steel sheet, between 9 and section of jurisdiction and the horizontal shaped steel support 10 in top and seal.
In this embodiment, all set up the rubber pad sealing washer on vertical shaped steel supports 5 and the horizontal shaped steel support 10 in top to it is inseparable with the laminating of door body 1.
In the normal excavation process of the communication channel, the door body 1 is in an upward opening state, and at the moment, the door body 1 is integrally suspended through the lifting lug 3 and the chain block (one end of the chain block is fixed on the segment bolt, and the other end of the chain block is connected with the lifting lug) and is temporarily fixed.
When an emergency situation occurs in the excavation of the communication channel, the chain block is loosened, and the door body 1 automatically turns downwards into a closed state under the action of gravity; after the door body 1 is attached to the vertical section steel support 5 and the top horizontal section steel support 10, bolts between the door body and the door frame are quickly screwed; the door body 1, the fan-shaped steel plate 7, the rectangular steel plate 9 and the vertical section steel support 5 and the top horizontal section steel support 10 act together to resist and block silt flowing from the communication channel.
The installation and use method of the emergency flood gate for the construction of the communication channel comprises the following steps:
1) manufacturing a door body structure according to the size of the hole door and the temporary supporting interval;
2) firmly welding one end of the door body provided with the hinge with the top horizontal section steel support;
3) welding fan-shaped steel plates between the vertical profile steel supports on the two sides of the door body and the duct pieces, and arranging sealing strips between the fan-shaped steel plates and the duct pieces and between the fan-shaped steel plates and the door frame for sealing;
4) welding rectangular steel plates between the horizontal steel supports at the top of the door body and the duct pieces, and arranging sealing strips between the rectangular steel plates and the duct pieces and between the rectangular steel plates and the door frame for sealing;
5) the whole flood gate structure is installed;
6) in the normal excavation process of the communication channel, the door body is in an upward opening state. The door body is suspended by a lifting lug on the door body and a chain block (one end is fixed on the segment bolt, and the other end is connected with the lifting lug on the door body);
7) when the emergency situation occurs in the connection channel excavation, the chain block is loosened, and the door body is automatically closed under the gravity. After the door body is put down, the bolt between the door body and the inner side doorframe is fastened in time. The door body, the fan-shaped steel plate, the rectangular steel plate and the temporary steel support in the tunnel act together to resist the silt gushed from the communication channel.
The above-mentioned technical features can be arbitrarily combined to form a plurality of embodiments of the present invention.
The utility model is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the utility model is not limited by the above-mentioned manner, and it is within the scope of the utility model to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (8)
1. The utility model provides an emergent flood gate that networking channel construction used, includes the door body, its characterized in that: still support and a pair of vertical shaped steel including the horizontal shaped steel that sets up in the passageway, horizontal shaped steel supports and corresponds a pair of vertical shaped steel support top and set up and form the door frame structure, the top of the door body is passed through the hinge and is supported articulated linking to each other with horizontal shaped steel, is equipped with on the door body to be used for lifting by crane the lug of opening, link to each other through detachable bolt structure between the door body and the vertical shaped steel support, horizontal shaped steel supports and vertical shaped steel supports and establishes all to be equipped with the steel sheet structure between the section of jurisdiction in the passageway.
2. An emergency flood gate for use in communication channel construction as claimed in claim 1, wherein: the door body and the vertical section steel support are provided with corresponding bolt holes.
3. An emergency flood gate for use in communication channel construction as claimed in claim 1, wherein: the door body is provided with a group of connected back edges.
4. An emergency flood gate for use in communication channel construction as claimed in claim 1, wherein: and a fan-shaped steel plate is arranged between the vertical section steel support and the duct piece, and the inner side of the fan-shaped steel plate is connected with the horizontal section steel support in a welding manner.
5. An emergency flood gate for use in communication channel construction as claimed in claim 1, wherein: and a rectangular steel plate is arranged between the horizontal steel support at the top of the door frame structure and the duct piece.
6. An emergency flood gate for use in communication channel construction as claimed in claim 1, wherein: and the edge part of the vertical section steel support corresponding to the door body is provided with a sealing rubber pad.
7. An emergency flood gate for use in communication channel construction as claimed in claim 4, wherein: sealing strips are arranged among the abutted seams in the fan-shaped steel plates, the duct pieces and the vertical parts of the door frame structures.
8. An emergency flood gate for use in communication channel construction as claimed in claim 5, wherein: sealing strips are arranged between the rectangular steel plate and the duct piece and between the rectangular steel plate and the horizontal parts of the doorframe structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220413421.7U CN216811780U (en) | 2022-02-28 | 2022-02-28 | Emergency flood-proof door for construction of connecting channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220413421.7U CN216811780U (en) | 2022-02-28 | 2022-02-28 | Emergency flood-proof door for construction of connecting channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216811780U true CN216811780U (en) | 2022-06-24 |
Family
ID=82042487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220413421.7U Active CN216811780U (en) | 2022-02-28 | 2022-02-28 | Emergency flood-proof door for construction of connecting channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216811780U (en) |
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2022
- 2022-02-28 CN CN202220413421.7U patent/CN216811780U/en active Active
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