CN214301813U

CN214301813U - Subway foundation pit plugging device convenient for BIM data acquisition

Info

Publication number: CN214301813U
Application number: CN202022179224.7U
Authority: CN
Inventors: 温淑荔; 王雷; 李为为; 李凯; 朱男; 刘畅; 祁小龙
Original assignee: China Railway 18th Bureau Group Co Ltd; Fourth Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Current assignee: China Railway 18th Bureau Group Co Ltd; Fourth Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-09-28
Anticipated expiration: 2030-09-29

Abstract

The utility model provides a make things convenient for in subway foundation ditch plugging device of BIM data acquisition, includes base square slab, observation pipe and honeycomb duct, wherein base square slab passes through expansion bolts rigid coupling on the foundation ditch side wall, the connecting hole has been made at the middle part of base square slab, the sealed observation pipe that is equipped with axial intercommunication connecting hole on one lateral wall of base square slab admittedly, compound bonding has rubber seal on the other lateral wall of base square slab, and the base square slab that is located rubber seal periphery department fills with the clearance of foundation ditch side wall has the mortar sealing layer that excels in. The device organically combines the traditional subway foundation pit side wall plugging device with the BIM building information model of the emerging technology, and is convenient for observing the liquid level inside the plugging device and controlling the pressure of a leakage point.

Description

Subway foundation pit plugging device convenient for BIM data acquisition

Technical Field

The utility model relates to a subway construction technical field relates to a make things convenient for in BIM data acquisition's subway foundation ditch plugging device.

Background

The foundation pit enclosure structure is an underground concealed project, and the foundation pit construction and the surrounding environment are greatly influenced by the water leakage of the foundation pit, so that the water leakage position needs to be subjected to leak stoppage treatment in time in the foundation pit excavation process. In addition, in the leakage process, if the sand gushing phenomenon occurs, sand and soil gush out along with gushing water, so that the foundation pit is damaged, and the leakage stoppage work under the condition is more urgent and complex.

The leakage stopping device for the side wall of the foundation pit is particularly important, leakage point leakage liquid is mostly drained in a pressure reducing and drainage mode through the subway side wall leakage stopping device in the prior art, a building Information modeling model of the whole subway section is mostly constructed through BIM (building Information modeling) in the current subway construction, and the marking, the leakage amount and the life cycle monitoring of the leakage pressure of the side wall leakage point of the subway foundation pit are required.

Through published patent search, the following patent schemes are found to be similar to the scheme:

the utility model provides a stagnant water measure (CN210395371U) that bottom plate and basement outer wall were worn to excavation supporting steel pipe bracing a excavation supporting steel pipe bracing wears bottom plate and basement outer wall, includes outer wall and floor, opens in the floor and is equipped with the foundation ditch, and is connected with the steel pipe in the foundation ditch, and the one end that the foundation ditch was kept away from to the steel pipe runs through outer wall and fixedly connected with self-compaction concrete. The utility model has the advantages that the steel pipe is obliquely connected between the basement outer wall and the floor, on one hand, the water stop wing ring is connected on the outer wall of the steel pipe, and the elliptical steel plate is welded inside the steel pipe, so as to provide the first water stop protection; on the other hand, the self-compacting concrete is connected to one end, penetrating through the outer wall, of the steel pipe, so that the limiting support can be provided for the outer wall, and a second water stop protection can be provided for the outer wall; compromise inside and outside stagnant water measure of steel pipe bracing, ensured concrete structure intensity again simultaneously, can effectively stagnant water when guaranteeing structure security, prevent that the seepage hidden danger from appearing in the basement structure.

Through analysis, the leaking stoppage structure of the above-mentioned patent has great difference with the present application, and especially it is the closed condition, and the detection of its inside leakage liquid volume and leakage liquid pressure is not convenient for, also is not convenient for BIM's data acquisition, therefore does not influence the novelty of this application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's weak point, provide a convenient in BIM data acquisition's subway foundation ditch plugging device, this plugging device combines traditional subway foundation ditch lateral wall plugging device and emerging technique BIM (building Information modeling) building Information-based model organic, is convenient for survey the inside liquid level of plugging device and is convenient for control leak source pressure.

The utility model provides a make things convenient for in subway foundation ditch plugging device of BIM data acquisition, includes base square slab, observation pipe and honeycomb duct, wherein base square slab passes through expansion bolts rigid coupling on the foundation ditch side wall, the connecting hole has been made at the middle part of base square slab, the sealed observation pipe that is equipped with axial intercommunication connecting hole on one lateral wall of base square slab admittedly, compound bonding has rubber seal on the other lateral wall of base square slab, and the base square slab that is located rubber seal periphery department fills with the clearance of foundation ditch side wall has the mortar sealing layer that excels in.

And, the feed liquor end of honeycomb duct pierces through the observation pipe lateral wall and extends to in the observation pipe, is connected with the filtration air stone on the feed liquor end of honeycomb duct, and the honeycomb duct is located one section of observation outside and communicates on and be provided with the overflow valve.

And one end of the observation tube is fixedly welded with the side wall of the square base plate at the periphery of the connecting hole, and the other end of the observation tube is in threaded and sealed connection with an observation sealing cover.

And the middle part of the observation sealing cover is coaxially and fixedly provided with a transparent window in a sealing way, and a graduated scale for displaying the depth of water in the observation pipe is marked on the transparent window.

The utility model has the advantages and the technical effect be:

the utility model discloses a subway foundation pit plugging device convenient to BIM data acquisition, provide fixed through base square plate and make, fix the intermediate position of foundation pit leak source by the connecting hole on the base square plate, realize the fixed connection of base square plate and foundation pit side wall by expansion bolts; an observation tube, a flow guide tube and an observation sealing cover which are coaxially and fixedly arranged on one side of the square base plate form a visual observation area for storing leaked liquid, so that the amount and pressure of the leaked liquid can be monitored and controlled conveniently; in addition, the rubber sealing ring provides extrusion sealing for a visual observation area consisting of the observation tube, the flow guide tube and the observation sealing cover; sealing the expansion bolt connecting position and the periphery of the rubber sealing ring by a high-strength mortar sealing layer; and finally, the overflow valve on the flow guide pipe controls the liquid leakage pressure, the filtering air stone at the liquid inlet end of the flow guide pipe is used for filtering to prevent the flow guide pipe from being blocked, and finally, the scale and the transparent window on the sealing cover are observed to facilitate observation and recording of the liquid leakage condition of a leakage point.

The utility model discloses a convenient in BIM data acquisition's subway foundation ditch plugging device, this plugging device combine traditional subway foundation ditch lateral wall plugging device and emerging technology BIM (building Information modeling) building Information-based model, be convenient for survey the inside liquid level of plugging device and be convenient for control leak source pressure, be one kind and have higher creative subway foundation ditch plugging device.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

in the figure: 1-high-strength mortar sealing layer; 2-a square base plate; 3-expansion bolts; 4-rubber sealing ring; 5-observing the sealing cover; 6-observation tube; 7-a transparent window; 8-a graduated scale; 9-an overflow valve; 10-a flow guide pipe; 11-side walls of the foundation pit; 12-missing points; 13-connecting holes; 14-Filtering the air stone.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.

The utility model provides a make things convenient for in subway foundation ditch plugging device of BIM data acquisition, including base square plate 2, observation pipe 6 and honeycomb duct 10, wherein base square plate passes through expansion bolts 3 rigid coupling on foundation ditch side wall 11, connecting hole 13 has been made at the middle part of base square plate, the sealed observation pipe who is equipped with axial intercommunication connecting hole that is adorned admittedly on a lateral wall of base square plate, compound bonding has rubber seal 4 on another lateral wall of base square plate, and the base square plate that is located rubber seal periphery department and the clearance intussuseption of foundation ditch side wall are filled with high strength mortar sealing layer 1.

And the liquid inlet end of the flow guide pipe penetrates through the side wall of the observation pipe and extends into the observation pipe, the liquid inlet end of the flow guide pipe is connected with a filter air stone 14, and one section of the flow guide pipe, which is positioned outside the observation pipe, is communicated with an overflow valve 9.

And one end of the observation tube is fixedly welded with the side wall of the square base plate at the periphery of the connecting hole, and the other end of the observation tube is in threaded and sealed connection with an observation sealing cover 5.

And, the middle part of observing the closing cap is coaxial and sealed and fixedly equipped with transparent window 7, mark on this transparent window and observe intraductal depth of water's scale 8 of demonstration.

Additionally, the utility model discloses it is preferred, the rubber seal of base square plate one side should the suit at leak source 12 outside and with foundation ditch side wall extrusion seal, prevent that the leak source from leaking outward, by the rubber seal week, the interior week of connecting hole, observe interior week of pipe, observe the closing cap lateral wall and have the foundation ditch side wall lateral wall of leak source and constitute the weeping jointly and store up the district.

Additionally, the utility model discloses it is preferred, each edge of base square plate all pierces through and pierces through the rigid coupling has a plurality of expansion bolts to guarantee that the horizontal gesture and the foundation ditch side wall of base square plate are parallel, avoid base square plate slope or because of the uneven middle part that leads to of expansion bolt tightening force is protruding.

Additionally, the utility model discloses preferred, the play liquid end of honeycomb duct can communicate the ponding discharge apparatus among escape canal or the prior art.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides a make things convenient for in subway foundation ditch plugging device of BIM data acquisition which characterized in that: the device comprises a square base plate, an observation tube and a flow guide tube, wherein the square base plate is fixedly connected to a side wall of a foundation pit through an expansion bolt, a connecting hole is formed in the middle of the square base plate, the observation tube axially communicated with the connecting hole is fixedly sealed on one side wall of the square base plate, a rubber sealing ring is compositely bonded on the other side wall of the square base plate, and a high-strength mortar sealing layer is filled in a gap between the square base plate located on the periphery of the rubber sealing ring and the side wall of the foundation pit.

2. The subway foundation pit plugging device convenient for BIM data acquisition as claimed in claim 1, wherein: the feed liquor end of honeycomb duct pierces through the observation pipe lateral wall and extends to in the observation pipe, is connected with the filtration air stone on the feed liquor end of honeycomb duct, and the honeycomb duct is located the outside one section of observation pipe and goes up the intercommunication and be provided with the overflow valve.

3. The subway foundation pit plugging device convenient for BIM data acquisition as claimed in claim 1, wherein: one end of the observation tube is fixedly welded with the side wall of the square base plate at the periphery of the connecting hole, and the other end of the observation tube is in threaded and sealed connection with an observation sealing cover.

4. A subway foundation pit plugging device convenient for BIM data acquisition as claimed in claim 3, characterized in that: the middle part of the observation sealing cover is coaxially and fixedly provided with a transparent window in a sealing way, and a graduated scale for displaying the depth of water in the observation pipe is marked on the transparent window.