CN217536916U

CN217536916U - Cut drainage processing apparatus

Info

Publication number: CN217536916U
Application number: CN202221090394.0U
Authority: CN
Inventors: 谢涛; 邬林宏; 党伟; 杜凌坤; 张昀; 杨海华
Original assignee: CCCC Second Railway Construction Co Ltd
Current assignee: CCCC Second Railway Construction Co Ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-10-04
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a cut-off drainage processing device, which comprises a water cut-off belt arranged on the side wall of a foundation pit at the lower end of the interface of different terranes, wherein the water cut-off belt is provided with a strip-shaped water cut-off groove, the upper end and one side surface of the water cut-off groove are both open, the side opening of the water cut-off groove is clung to the side wall of the foundation pit, at least one water drain pipe is arranged above the water cut-off groove, the water outlet end of the water drain pipe is arranged in the water cut-off groove, the water inlet end of the water drain pipe is inserted into the interface of different terranes, the side wall of the water cut-off groove is provided with a clamping strip, the clamping strip is provided with a plurality of clamping grooves for fixing the water outlet end of the water drain pipe, the bottom of the water cut-off groove is provided with a drain hole, and the drain hole is connected with an external drainage system through the drain pipe; this scheme simple structure easily realizes, can carry out effectual collection and discharge to the water that different rock strata interface departments oozed, and then the effectual ponding that has prevented to appear in the foundation ditch bottom.

Description

Cut drainage processing apparatus

Technical Field

The utility model relates to a foundation ditch engineering drainage technology field, concretely relates to cut drainage processing apparatus.

Background

Since the 21 st century, the process of urbanization in China is continuously promoted, infrastructure construction is continuously developed, urban land resources are in short supply in the first-line and beyond first-line big cities, underground spaces are developed and valued unprecedentedly, numerous ultra-deep underground space structures are generated, deep foundation pit engineering is continuously developed, in the deep foundation pit engineering, the problem of interface seepage can be caused for a long time due to the fact that different rock stratum interfaces such as sand pebbles and mudstones are inevitably encountered, and if the deep foundation pit engineering is not processed in time, the problem of the interface seepage can be caused at the bottom of a foundation pit and the construction environment in the foundation pit is further influenced.

SUMMERY OF THE UTILITY MODEL

The above-mentioned not enough to prior art, the utility model provides a cut drainage treatment device, it has solved the problem that different terrane interfaces infiltration are difficult to handle in the current deep basal pit engineering.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a cut drainage processing apparatus, it is including setting up the water-retaining area on the foundation ditch lateral wall of different terrane interface lower extreme, be provided with on the water-retaining area and be banding water-retaining groove, the equal opening in upper end and a side of water-retaining groove, and the side opening of water-retaining groove is hugged closely with the foundation ditch lateral wall, the top of water-retaining groove is provided with a water-release pipe at least, the delivery end setting of water-release pipe is in the water-retaining groove, the end of intaking of water-release pipe inserts in the boundary surface of different terranes, be provided with the card strip on the lateral wall of water-retaining groove, be provided with a plurality of draw-in grooves that are used for fixed water-release pipe delivery end on the card strip, the bottom of water-retaining groove is provided with the wash port, the wash port passes through the drain pipe and is connected with outside drainage system.

The beneficial effects of adopting the above technical scheme are: this scheme can cut off the water that comes out from different stratum interfaces department seepage through the cut-off area to reach good water-stopping effect, can also sluicing in advance to the inside of different stratum interfaces department through the downcomer simultaneously, and collect in the cut-off groove, discharge through the drain pipe of cut-off groove bottom, thereby prevented that ponding from appearing in the foundation ditch bottom.

Furthermore, a fixing pressing plate is arranged on the outer side face of the water cut-off belt, the fixing pressing plate and the water cut-off belt are fixed through a plurality of bolts fixedly inserted on the side wall of the foundation pit, the bolts penetrate through the water cut-off belt and the fixing pressing plate simultaneously, fastening nuts are arranged on the bolts, and the fastening nuts are abutted to the fixing pressing plate.

The beneficial effects of adopting the above technical scheme are: the pressure that a plurality of fastening nuts provided is transmitted to the lateral surface of intercepting area through fixed pressing plate on, sets up like this and has increased the lifting surface area of intercepting area, is favorable to intercepting the area and hugging closely with the foundation ditch lateral wall.

Further, a rubber gasket for water prevention is arranged on the bolt between the fastening nut and the fixed pressing plate.

Furthermore, the bolts comprise a plurality of water stopping bolts penetrating through the clamping strip, and a water stopping plate of each water stopping bolt is tightly attached to the surface of the clamping strip.

The beneficial effects of adopting the above technical scheme are: the water stop bolt plays a role in fixing the clamping strip and the water-stopping belt, so that the fastening of the water outlet end of the drain pipe is facilitated; meanwhile, the water stopping bolt can prevent water in the water intercepting tank from seeping out through the bolt hole in the clamping strip.

Furthermore, a filtering filter element for filtering impurities is arranged at the water inlet end of the water drain pipe, and a filtering head is arranged on the water drain hole.

Furthermore, a water stop for blocking a gap between the outer wall of the water drain pipe and a rock body is fixedly arranged on the water drain pipe.

Furthermore, the water intercepting belt and the clamping strip are integrally formed by elastic waterproof materials, so that the water intercepting belt is favorably tightly attached to the side wall of the foundation pit in a sealing manner.

The utility model has the advantages that: this scheme simple structure easily realizes, can carry out effectual collection and discharge to the water that different rock strata interface departments oozed, and then the effectual ponding that has prevented to appear in the foundation ditch bottom.

Drawings

Fig. 1 is a first isometric view of a cut-off water treatment device.

Fig. 2 is a second perspective view of the cut-off water treatment apparatus.

The water-stop device comprises a water-stop belt 1, a water-stop groove 2, a water-stop groove 3, a water drain pipe 4, a clamping strip 5, a clamping groove 6, a water drain hole 7, a water drain pipe 8, a fixed pressing plate 9, a bolt 10, a water-stop bolt 11, a water-stop plate 12, a filtering filter element 13 and a water-stop belt.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.

As shown in fig. 1, the cut-off and drainage treatment device of the scheme comprises a cut-off water belt 1 arranged on the side wall of a foundation pit at the lower end of a boundary surface of different strata, a strip-shaped cut-off water tank 2 is arranged on the cut-off water belt 1, the upper end and one side surface of the cut-off water tank 2 are both open, the side opening of the cut-off water tank 2 is tightly attached to the side wall of the foundation pit, at least one water drainage pipe 3 is arranged above the cut-off water tank 2, the water outlet end of the water drainage pipe 3 is arranged in the cut-off water tank 2, the water inlet end of the water drainage pipe 3 is inserted into the boundary surface of the different strata, a water stop belt 13 used for blocking a gap between the outer wall of the water drainage pipe 3 and a rock body is fixedly arranged on the water drainage pipe 3, a filter element 12 used for filtering impurities is arranged at the water inlet end of the water drainage pipe 3, a plurality of clamping strips 4 are arranged on the side wall of the cut-off water tank 2, the clamping strips 5 are semi-circular, a drain hole 6 is arranged at the bottom of the cut-off water tank 2, a filter head is arranged on the water drainage hole 6, and the drain hole 6 is connected with an external drainage system through a drain pipe 7.

A fixing pressing plate 8 is arranged on the outer side surface of the water cut-off belt 1, the fixing pressing plate 8 and the water cut-off belt 1 are fixed through a plurality of bolts 9 fixedly inserted on the side wall of the foundation pit, the bolts 9 simultaneously penetrate through the water cut-off belt 1 and the fixing pressing plate 8, fastening nuts are arranged on the bolts 9 and are abutted to the fixing pressing plate 8, and rubber gaskets for water prevention are arranged on the bolts 9 between the fastening nuts and the fixing pressing plate 8; the pressure that a plurality of fastening nuts provided is transmitted to on the lateral surface of intercepting area 1 through fixed pressing plate 8, sets up like this and has increased the lifting surface area of intercepting area 1, is favorable to intercepting area 1 and foundation ditch lateral wall to hug closely.

The bolts 9 comprise a plurality of water stopping bolts 10 penetrating through the clamping strip 4, and a water stopping plate 11 of each water stopping bolt 10 is tightly attached to the surface of the clamping strip 4; the water stop bolt 10 plays a role of fixing the clamping strip 4 and the water stopping belt 1, so that the fastening of the water outlet end of the drain pipe 3 is facilitated; meanwhile, the water stopping bolt 10 can prevent water in the water intercepting groove 2 from seeping out through the bolt 9 hole on the clamping strip 4.

Preferably, the water intercepting belt 1 and the clamping strip 4 are integrally formed by high-elasticity high-strength waterproof rubber, so that the water intercepting belt 1 is favorably sealed and attached to the side wall of the foundation pit; the water stop belt 13 is made of high-elastic waterproof rubber; the fixed pressing plate 8 is made of high-strength engineering plastics; the filtering element 12 is made of permeable foam cotton; the drain pipe 3, the drain pipe 7 and the filter head are all made of PVC plastics.

The concrete construction process of this scheme does: drilling at least one drain hole on the side wall of a foundation pit corresponding to the position of a sand-gravel and mudstone interface provided by geological exploration data, cleaning the wall surface of the installation position of the water intercepting pipe 1, installing the water inlet end of the drain pipe 3 into the drain hole, plugging a gap between the outer wall of the drain pipe 3 and the drain hole through a water stop belt 13, drilling a plurality of bolt holes below the drain pipe 3, fixing bolts 9 in the bolt holes, fixing the water intercepting pipe 1 through the bolts 9, enabling the water intercepting pipe to be tightly attached to the side wall of the foundation pit, fixing the water outlet end of the drain pipe 3 in a clamping groove 5, arranging at least one drain pipe 7 at the bottom of the water intercepting pipe 2, connecting the drain pipe 7 with an external drainage system, and ensuring smooth drainage.

This scheme can cut off the water that flows out from different stratum interfaces department seepage through cutting water area 1 to reach good water-cutting effect, can also sluicing in advance to the inside of different stratum interfaces department through water-drain mast 3 simultaneously, and collect in cut-off 2, discharge through drain pipe 7 of cut-off 2 bottoms.

To sum up, this scheme simple structure easily realizes, can carry out effectual collection and the discharge to the water that different rock strata interface departments oozed, and then the effectual ponding that has prevented to appear in the foundation ditch bottom.

Claims

1. The cut-off and drainage treatment device is characterized by comprising a cut-off water belt (1) arranged on the side wall of a foundation pit at the lower end of a boundary surface of different rock stratums, wherein a strip-shaped water cut-off groove (2) is formed in the cut-off water belt (1), the upper end and one side surface of the water cut-off groove (2) are both open, the side surface opening of the water cut-off groove (2) is tightly attached to the side wall of the foundation pit, at least one water drainage pipe (3) is arranged above the water cut-off groove (2), the water outlet end of the water drainage pipe (3) is arranged in the water cut-off groove (2), the water inlet end of the water drainage pipe (3) is inserted into the boundary surface of the different rock stratums, clamping strips (4) are arranged on the side wall of the water cut-off groove (2), a plurality of clamping grooves (5) used for fixing the water outlet end of the water drainage pipe (3) are formed in the clamping strips (4), a drainage hole (6) is formed in the bottom of the water cut-off groove (2), and the drainage hole (6) is connected with an external drainage system through a drainage pipe (7).

2. The water intercepting and draining treatment device according to claim 1, wherein a fixed pressing plate (8) is arranged on the outer side surface of the water intercepting belt (1), the fixed pressing plate (8) and the water intercepting belt (1) are fixed through a plurality of bolts (9) fixedly inserted on the side wall of the foundation pit, the bolts (9) penetrate through the water intercepting belt (1) and the fixed pressing plate (8) simultaneously, and fastening nuts are arranged on the bolts (9) and abut against the fixed pressing plate (8).

3. The cut-off water treatment device according to claim 2, characterized in that a rubber washer for waterproofing is provided on the bolt (9) between the fastening nut and the fixed pressing plate (8).

4. The cut-off water treatment device according to claim 2, characterized in that the plurality of bolts (9) comprise a plurality of water stop bolts (10) penetrating through the clamping strip (4), and a water stop plate (11) of each water stop bolt (10) is tightly attached to the surface of the clamping strip (4).

5. The cut-off water treatment device according to claim 1, characterized in that a filtering element (12) for filtering impurities is provided at the water inlet end of the drain pipe (3), and a filtering head is provided on the drain hole (6).

6. The cut-off water treatment device according to claim 1, characterized in that a water stop (13) for blocking a gap between an outer wall of the drain pipe (3) and a rock body is fixedly arranged on the drain pipe (3).

7. The cut-off water treatment device according to claim 1, characterized in that the cut-off water belt (1) and the clamping strip (4) are integrally molded by using a waterproof material with elasticity.