CN218813824U - Foundation pit plugging device - Google Patents
Foundation pit plugging device Download PDFInfo
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- CN218813824U CN218813824U CN202223188477.6U CN202223188477U CN218813824U CN 218813824 U CN218813824 U CN 218813824U CN 202223188477 U CN202223188477 U CN 202223188477U CN 218813824 U CN218813824 U CN 218813824U
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Abstract
The utility model provides a foundation pit plugging device, which comprises a suction pump and a pipeline component which are arranged outside a foundation pit, wherein the pipeline component is provided with a water inlet end and a water outlet end, and the water outlet end of the pipeline component is communicated with the liquid pumping end of the suction pump; the device also comprises a hollow outer cylinder, an inner cylinder and a filtering layer, wherein a seepage hole is formed in the seepage position on the side wall of the foundation pit; the outer cylinder is arranged at the side wall seepage position of the foundation pit, and one end of the outer cylinder extends into the seepage hole; the inner cylinder body is arranged in the outer cylinder body, and a gap is formed between the inner cylinder body and the outer cylinder body; the filtering layer is filled in the gap; wherein, the outer sides of the outer cylinder body and the inner cylinder body are both provided with water leakage holes which are uniformly distributed, and the water inlet end of the pipeline component extends into the outer cylinder body and is communicated with the inner cylinder body; the percolating water passes outer barrel, filtering layer and interior barrel in proper order and filters aquatic silt, avoids silt to cause the internal damage when long-time through the self priming pump, the effectual normal operating who guarantees the leaking stoppage operation.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a foundation ditch plugging device.
Background
The foundation pit support structure is underground concealed engineering, the closure or the water tightness of the whole support structure cannot be known during construction, the water leakage position and the water leakage condition of the support structure can be found after foundation pit excavation, foundation pit water leakage can cause influences of different degrees on foundation pit construction, failure of foundation pit excavation and damage of the surrounding environment can be caused in serious conditions, influences on foundation pit construction and the surrounding environment are avoided due to foundation pit water leakage, and leaking stoppage treatment is performed on the water leakage position in time after the foundation pit excavation.
Chinese patent publication No. CN210341960U discloses a deep basal pit plugging device, uncovered including be used for inserting the insert tube of the exterior seepage water department of envelope of foundation ditch, insert tube one end communicates simultaneously has drinking-water pipe and defeated thick liquid pipe, the drinking-water pipe other end is connected with the self priming pump that is located outside the foundation ditch, the defeated thick liquid pipe other end is connected with the slurry pump that is located outside the foundation ditch, wherein, prior art pumps the water of water leakage point out through self priming pump and drinking-water pipe cooperation, but the aquatic of usually foundation ditch side leakage out all contains a large amount of silt, prior art does not set up relevant filtration to filter silt, its silt can cause inside to take place to damage when long-time self priming passes through the pump, thereby cause inconvenience for the leaking stoppage operation.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a foundation ditch plugging device can filter the aquatic silt that the side leak oozes out, prevents to draw water the operation silt for a long time and causes the damage to the pump body, the foundation ditch leaking stoppage operation of being convenient for.
The technical scheme of the utility model is realized like this: the utility model provides a foundation pit plugging device, which comprises a suction pump and a pipeline component which are arranged outside a foundation pit, wherein,
the pipeline component is provided with a water inlet end and a water outlet end, and the water outlet end of the pipeline component is communicated with the liquid pumping end of the suction pump;
also comprises a hollow outer cylinder body, an inner cylinder body and a filtering layer, wherein,
a seepage hole is formed in the seepage position of the side wall of the foundation pit;
the outer cylinder is arranged at the side wall seepage position of the foundation pit, and one end of the outer cylinder extends into the seepage hole;
the inner cylinder body is arranged in the outer cylinder body, and a gap is formed between the inner cylinder body and the outer cylinder body;
the filter layer is filled in the gap;
wherein, the outer sides of the outer cylinder body and the inner cylinder body are both provided with water leakage holes which are uniformly distributed, and the water inlet end of the pipeline component extends into the outer cylinder body and is communicated with the inner cylinder body; the seepage water passes through the outer cylinder, the filtering layer and the inner cylinder in sequence to filter the sediment in the water.
On the basis of the above technical solution, it is preferable that the container further comprises a cover member and a connecting pipe, wherein,
the outer cylinder body and the inner cylinder body are of a structure with one closed end and one open end;
the sealing cover piece is in threaded connection with the inner side of the outer cylinder body, and one side close to the filter layer is abutted with the opening end part of the inner cylinder body;
the connecting pipe is fixed on the sealing cover part, and one end of the connecting pipe penetrates through the sealing cover part and extends into the inner cylinder body.
On the basis of the technical scheme, preferably, an annular groove is formed in one side, close to the filter layer, of the sealing cover piece, a sealing ring is arranged on the outer side of the opening of the inner cylinder body, the inner cylinder body is inserted into the annular groove, and the outer side wall of the sealing ring is attached to the inner side wall of the annular groove.
On the basis of the technical scheme, preferably, the filtering layer is quartz sand particles, and the diameter of the particles is larger than the pore diameter of the water leakage hole.
On the basis of the above technical solution, preferably, the device further comprises a mounting plate, wherein,
the mounting plate is fixed at the water seepage position on the side wall of the foundation pit through bolts, mounting holes matched with the water seepage holes are formed in the mounting plate, and the positions of the mounting holes and the positions of the water seepage holes are located at the same position;
one end of the outer cylinder body close to the filtering layer penetrates through the mounting hole and extends into the leakage hole, and the outer cylinder body is in threaded connection with the mounting hole.
On the basis of the above technical solution, it is preferable that the device further comprises a grouting pipe, wherein,
grouting holes are also formed in the water seepage positions on the side wall of the foundation pit;
the mounting plate is provided with a positioning hole matched with the grouting hole, the positioning hole and the grouting hole are located at the same position, one end of the grouting pipe penetrates through the positioning hole and extends into the grouting hole, and the other end of the grouting pipe is communicated with the grout conveying end of an external grout feeding pump.
On the basis of the above technical solution, preferably, the pipeline assembly includes a water pumping pipe and a water outlet pipe, wherein,
one end of the water pumping pipe is communicated with the liquid pumping end of the suction pump, and the other end of the water pumping pipe is communicated with one end of the connecting pipe, which is far away from the inner cylinder;
one end of the water outlet pipe is communicated with the liquid outlet end of the suction pump, and the other end of the water outlet pipe is communicated with the inside of an external water storage tank.
On the basis of the technical scheme, preferably, the pipeline assembly further comprises a three-way pipe, a back flushing pipe and two valves, wherein,
the three-way pipe is arranged between the water outlet pipe and the liquid outlet end of the suction pump;
one end of the back flushing pipe penetrates through the sealing cover part and extends into the inner cylinder body, and the other end of the back flushing pipe is communicated with the unconnected end of the three-way pipe;
the two valves are respectively arranged between the joints of the back flushing pipe and the three-way pipe and between the joints of the water outlet pipe and the three-way pipe;
wherein, the water leakage pumped by the suction pump carries out back flushing on the water leakage hole through the selective opening and closing of the valve.
The utility model discloses a foundation ditch plugging device has following beneficial effect for prior art:
(1) By the arrangement of the outer barrel, the filter layer and the inner barrel, leakage water sequentially passes through the outer barrel, the filter layer and the inner barrel to filter silt in water and is discharged outside a foundation pit through the pipeline assembly and the suction pump, the silt in the leakage water on the side wall of the foundation pit can be filtered in the process, internal damage caused by the fact that the silt passes through the self-suction pump for a long time is avoided, and normal operation of plugging operation is effectively guaranteed;
(2) Through the cooperation of the three-way pipe, the backflushing pipe and the two valves, the leakage water pumped by the suction pump backflushes the water leakage hole, the water leakage hole is prevented from being blocked, and the using effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of the foundation pit plugging device of the present invention;
fig. 2 is a schematic sectional view of the foundation pit plugging device of the present invention;
fig. 3 is a partially enlarged schematic view of a part a in fig. 2 of the foundation pit plugging device of the present invention;
fig. 4 is the utility model discloses a pipeline subassembly structure stereogram of foundation ditch plugging device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model discloses a foundation pit plugging device, it is including setting up suction pump 1 and pipeline subassembly 2 outside the foundation pit, wherein, pipeline subassembly 2 has one and intakes end and goes out the water end, and the play water end of pipeline subassembly 2 is linked together with the drawing liquid end of suction pump 1.
It should be noted that the suction pump 1 is communicated with the pipeline assembly 2, and the water leaking from the side wall of the foundation pit can be pumped out through the pipeline assembly 2 by starting the suction pump 1 and discharged outside the foundation pit, so that the water leaking amount can be reduced.
In order to solve the problem that the suction pump 1 is damaged by a large amount of silt contained in the leaked water on the side wall of the foundation pit, the scheme is provided with a hollow outer cylinder 31, an inner cylinder 32 and a filter layer 33, wherein a leakage hole is formed in the water seepage position on the side wall of the foundation pit; the outer cylinder 31 is arranged at the water seepage position on the side wall of the foundation pit, and one end of the outer cylinder 31 extends into the seepage hole; the inner cylinder 32 is arranged in the outer cylinder 31, and a gap is formed between the inner cylinder 32 and the outer cylinder 31; the filter layer 33 is filled in the gap; the outer sides of the outer cylinder 31 and the inner cylinder 32 are both provided with water leakage holes 300 which are uniformly distributed, and the water inlet end of the pipeline component 2 extends into the outer cylinder 31 and is communicated with the inner cylinder 32; the leaked water sequentially passes through the outer cylinder 31, the filtering layer 33 and the inner cylinder 32 to filter the sediment in the water;
it should be noted that the water leaking from the side wall of the foundation pit sequentially passes through the water leaking holes 300 and the filtering layers 300 on the outer cylinder 31 and the inner cylinder 32, wherein when the water leaking passes through the water leaking holes 300 and the filtering layers 33, the silt in the water is filtered out, and the filtered water is discharged out of the foundation pit through the pipeline assembly 2 and the suction pump 1.
It can be understood that, can filter the silt of foundation ditch lateral wall seepage aquatic through the outer barrel 31, interior barrel 32 and the filtering layer 33 that set up, avoid silt to cause internal damage when long-time through the self priming pump, the effectual normal operating who guarantees the leaking stoppage operation.
In order to solve the problem of convenient replacement of the filter layer 33, the scheme is further provided with a sealing cover piece 34 and a connecting pipe 35, and the outer cylinder 31 and the inner cylinder 32 are both of a structure with one closed end and one open end; the sealing cover 34 is screwed on the inner side of the outer cylinder 31, and one side close to the filtering layer 33 is abutted with the opening end part of the inner cylinder 32; a connecting tube 35 is fixed to the closure member 34, and one end of the connecting tube 35 penetrates the closure member 34 and extends into the inner cylinder 32.
It should be noted that the inner side of the outer cylinder 31 is screwed through the sealing member 34, and by this connection, the sealing member 34 can be detached from the outer cylinder 31, thereby facilitating the filling of the filter layer 33 in the gap region between the outer cylinder 31 and the inner cylinder 32, and then the center of the sealing member 34 is penetrated and fixed by a connection pipe 35, and the filtered water is discharged to the outside through the connection pipe 35.
The opening directions of the outer body 31 and the inner cylinder 32 are located at one end in the axial direction.
In order to solve the problem of sealing between the inner cylinder 32 and the sealing cover 34, the scheme further comprises that an annular groove is formed in one side, close to the filter layer 33, of the sealing cover 34, a sealing ring is arranged on the outer side of the opening of the inner cylinder 32, the inner cylinder 32 is inserted into the annular groove, and the outer side wall of the sealing ring is attached to the inner side wall of the annular groove.
It should be noted that, after the sealing cover 34 is completely connected to the outer cylinder 31, the sealing ring on the outer side of the inner cylinder 32 is just abutted to the annular groove, so that the inner cylinder 32 and the sealing cover 34 are in a sealed state, thereby preventing leakage water from penetrating into the inner cylinder 32 from the gap at the joint, and improving the water filtering effect.
Specifically, the filtering layer 33 in this embodiment is made of quartz sand particles, and the diameter of the particles is larger than the diameter of the water leakage holes 300, so as to prevent the small particles from flowing away from the water leakage holes 300.
In order to solve the problem of installation stability of the outer cylinder 31 during water pumping, the scheme is further provided with an installation plate 4, the installation plate 4 is fixed at the water seepage position of the side wall of the foundation pit through bolts, an installation hole 400 matched with the seepage hole is formed in the installation plate 4, and the position of the installation hole 400 and the position of the seepage hole are located at the same position; one end of the outer cylinder 31 close to the filter layer 33 penetrates through the mounting hole 400 and extends into the leakage hole, and the outer cylinder 31 is screwed in the mounting hole.
It should be noted that, through setting up mounting panel 4 in foundation ditch lateral wall infiltration department to at mounting panel 4 drilling, extend to the permeable stratum all the time, during the installation, insert outer barrel 31 into in the permeable stratum from mounting hole 400, the threaded connection is carried out with mounting hole 400 to the rethread outer barrel 31, and then can install fixedly to outer barrel 31's position, prevents that in the process of drawing water, outer barrel 31 position takes place to become flexible, influences going on of leaking stoppage operation.
At present, after water seepage on the side wall of the foundation pit is pumped out, a hole is usually drilled beside the foundation pit, slurry is poured inwards, gaps among soil are filled with the slurry and the slurry is solidified into blocks, and then water seepage on the side wall of the foundation pit can be stopped.
Furthermore, the foundation pit structure further comprises a grouting pipe 5, wherein a grouting hole is formed in the water seepage position of the side wall of the foundation pit; the mounting plate 4 is provided with a positioning hole matched with the grouting hole, the positioning hole and the grouting hole are located at the same position, one end of the grouting pipe 5 penetrates through the positioning hole and extends into the grouting hole, and the other end of the grouting pipe 5 is communicated with the grout conveying end of an external grout feeding pump.
It should be noted that, external slurry is conveyed into the grouting hole along the grouting pipe 5 by an external slurry conveying pump so as to fill the gap of soil at the water seepage position on the side wall of the foundation pit.
The pipeline component 2 comprises a water pumping pipe 21 and a water outlet pipe 22, wherein one end of the water pumping pipe 21 is communicated with the liquid pumping end of the suction pump 1, and the other end of the water pumping pipe is communicated with one end, far away from the inner cylinder 32, of the connecting pipe 35; one end of the water outlet pipe 22 is communicated with the liquid outlet end of the suction pump 1, and the other end is communicated with the inside of an external water storage tank.
It should be noted that, the filtered water can be pumped away through the suction pump 1, the water pumping pipe 21 and the connecting pipe 35, and then discharged to the outside of the foundation pit through the water outlet pipe 22.
In order to solve the problem of blockage inside the outer cylinder 31, the inner cylinder 32 and the filtering layer 33 for a long time, the scheme is further provided with a three-way pipe 23, a backflushing pipe 24 and two valves 25, wherein the three-way pipe 23 is arranged between the water outlet pipe 22 and the liquid outlet end of the suction pump 1; one end of the back flushing pipe 24 penetrates through the sealing cover piece 34 and extends into the inner cylinder body 32, and the other end of the back flushing pipe is communicated with the unconnected end of the three-way pipe 23; the two valves 25 are respectively arranged between the joints of the back flushing pipe 24 and the three-way pipe 23 and between the joints of the water outlet pipe 22 and the three-way pipe 23; wherein the water leakage hole 300 is backwashed by the water leakage pumped by the suction pump 1 through the selective opening and closing of the valve 25.
It should be noted that, during normal use, the valve 25 between the water outlet pipe 22 and the three-way pipe 23 is opened, the other valve 25 is in a closed state, the suction pump 1 can pump out the filtered water through the water pumping pipe 21 and the water outlet pipe 22 and discharge the filtered water to the outside of the foundation pit, when the back flushing is required, the reverse arrangement is performed, the valve 25 between the back flushing pipe 24 and the three-way pipe 23 is opened, the other valve 25 is in a closed state, and the suction pump 1 pumps out the filtered water through the water pumping pipe 21 and enters the inner cylinder 32 through the back flushing pipe 24 for back flushing, so that the water leakage hole 300 is prevented from being blocked.
The utility model discloses the theory of operation:
firstly, arranging a mounting plate 4 at a water seepage position on the side wall of a foundation pit, and drilling a hole towards a water seepage layer at the position of a mounting hole 400 formed in the mounting plate 4;
then, the outer cylinder 31 is inserted into the mounting hole 400 and fixed with the mounting plate 4;
then, the valve 25 between the water outlet pipe 22 and the three-way pipe 23 is opened, the other valve 25 is closed, the water leakage on the side wall of the foundation pit sequentially passes through the water leakage hole 300 on the outer cylinder 31, the filter layer 33 and the water leakage hole 300 on the inner cylinder 32, wherein, when the water leakage passes through the water leakage hole 300 and the filter layer 33, the silt in the water can be filtered out, the filtered water can be discharged to the outside of the foundation pit through the water pumping pipe 21, the water outlet pipe 22 and the suction pump 1, the valve 25 between the backwash pipe 24 and the three-way pipe 23 is opened, the other valve 25 is closed, and the suction pump 1 sucks out the filtered water through the water pumping pipe 21 and reenters the inner cylinder 32 through the backwash pipe 24 for backwashing;
and finally, conveying external slurry into the grouting hole along the grouting pipe 5 by an external slurry conveying pump so as to fill the gap of soil at the water seepage position of the side wall of the foundation pit.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A foundation pit plugging device, which comprises a suction pump (1) and a pipeline component (2) which are arranged outside a foundation pit, wherein,
the pipeline component (2) is provided with a water inlet end and a water outlet end, and the water outlet end of the pipeline component (2) is communicated with the liquid pumping end of the suction pump (1);
the method is characterized in that: also comprises a hollow outer cylinder body (31), an inner cylinder body (32) and a filtering layer (33), wherein,
a seepage hole is formed in the seepage position of the side wall of the foundation pit;
the outer cylinder (31) is arranged at the water seepage position of the side wall of the foundation pit, and one end of the outer cylinder (31) extends into the seepage hole;
the inner cylinder (32) is arranged in the outer cylinder (31), and a gap is formed between the inner cylinder (32) and the outer cylinder (31);
a filter layer (33) is filled in the gap;
wherein, the outer sides of the outer cylinder (31) and the inner cylinder (32) are both provided with water leakage holes (300) which are uniformly distributed, and the water inlet end of the pipeline component (2) extends into the outer cylinder (31) and is communicated with the inner cylinder (32); the seepage water passes through the outer cylinder (31), the filtering layer (33) and the inner cylinder (32) in sequence to filter the silt in the water.
2. The foundation pit plugging device according to claim 1, wherein: further comprising a closure member (34) and a connecting tube (35), wherein,
the outer cylinder body (31) and the inner cylinder body (32) are both of a structure with one closed end and one open end;
the sealing cover part (34) is in threaded connection with the inner side of the outer cylinder body (31), and one side close to the filtering layer (33) is abutted against the opening end part of the inner cylinder body (32);
the connecting pipe (35) is fixed on the sealing cover part (34), and one end of the connecting pipe (35) penetrates through the sealing cover part (34) and extends into the inner cylinder body (32).
3. The foundation pit leakage stopping device according to claim 2, wherein: the pipeline component (2) comprises a water pumping pipe (21) and a water outlet pipe (22), wherein,
one end of the water pumping pipe (21) is communicated with the liquid pumping end of the suction pump (1), and the other end of the water pumping pipe is communicated with one end of the connecting pipe (35) far away from the inner cylinder (32);
one end of the water outlet pipe (22) is communicated with the liquid outlet end of the suction pump (1), and the other end is communicated with the inside of an external water storage tank.
4. A foundation pit plugging device according to claim 3, wherein: the pipeline assembly (2) further comprises a three-way pipe (23), a backflushing pipe (24) and two valves (25), wherein,
the three-way pipe (23) is arranged between the water outlet pipe (22) and the liquid outlet end of the suction pump (1);
one end of the backflushing pipe (24) penetrates through the sealing cover piece (34) and extends into the inner cylinder body (32), and the other end of the backflushing pipe is communicated with the unconnected end of the three-way pipe (23);
the two valves (25) are respectively arranged between the joints of the back flushing pipe (24) and the three-way pipe (23) and between the joints of the water outlet pipe (22) and the three-way pipe (23);
wherein the water leakage pumped by the suction pump (1) performs back flushing on the water leakage hole (300) through the selective opening and closing of the valve (25).
5. The foundation pit leakage stopping device according to claim 2, wherein: an annular groove is formed in one side, close to the filter layer (33), of the sealing cover piece (34), a sealing ring is arranged on the outer side of an opening of the inner cylinder body (32), the inner cylinder body (32) is inserted into the annular groove, and the outer side wall of the sealing ring is attached to the inner side wall of the annular groove.
6. The foundation pit plugging device according to claim 1, wherein: the filtering layer (33) is quartz sand particles, and the diameter of the particles is larger than the aperture of the water leakage hole (300).
7. A foundation pit plugging device according to claim 1, wherein: also comprises a mounting plate (4), wherein,
the mounting plate (4) is fixed at the water seepage position of the side wall of the foundation pit through bolts, a mounting hole (400) matched with the seepage hole is formed in the mounting plate (4), and the position of the mounting hole (400) and the position of the seepage hole are located at the same position;
one end of the outer cylinder (31) close to the filter layer (33) penetrates through the mounting hole (400) and extends into the leakage hole, and the outer cylinder (31) is in threaded connection with the mounting hole.
8. The foundation pit plugging device according to claim 7, wherein: also comprises a grouting pipe (5), wherein,
grouting holes are also formed in the water seepage positions on the side wall of the foundation pit;
the mounting plate (4) is provided with a positioning hole matched with the grouting hole, the positioning hole and the grouting hole are located at the same position, one end of the grouting pipe (5) penetrates through the positioning hole and extends into the grouting hole, and the other end of the grouting pipe (5) is communicated with the grout conveying end of an external grout conveying pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223188477.6U CN218813824U (en) | 2022-11-29 | 2022-11-29 | Foundation pit plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223188477.6U CN218813824U (en) | 2022-11-29 | 2022-11-29 | Foundation pit plugging device |
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| Publication Number | Publication Date |
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| CN218813824U true CN218813824U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223188477.6U Active CN218813824U (en) | 2022-11-29 | 2022-11-29 | Foundation pit plugging device |
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| Country | Link |
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| CN (1) | CN218813824U (en) |
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