CN217782112U - Deep basal pit engineering pressure-bearing water piping plugging device - Google Patents

Abstract

The utility model discloses a deep basal pit engineering pressure-bearing water piping plugging device, including the mounting panel, the inside fixedly connected with annular bottom plate of mounting panel, the arc connecting plate is all installed to the top both sides of annular bottom plate, two the top of arc connecting plate is fixed the intercommunication jointly and has annular roof, two fixedly connected with thread bush between the arc connecting plate, the inside threaded connection of thread bush has outer steel pipe, the bottom of outer steel pipe links firmly to have the intubate, the bottom annular equidistance of intubate has seted up a plurality of tooth's sockets, the inside slip of outer steel pipe is provided with inner steel pipe; the outer steel pipe, the insertion pipe, the inner steel pipe and the plugging pipe are matched for use, the water pressure and the soil pressure of a piping part are balanced by inserting the inner steel pipe and the plugging pipe, and the inner space and the outer space generated by the outer steel pipe and the inner steel pipe are utilized to ensure that the inner steel pipe is sealed.

Description

Deep foundation pit engineering confined water piping plugging device

Technical Field

The utility model relates to a deep basal pit engineering technical field especially relates to deep basal pit engineering pressure-bearing water piping plugging device.

Background

With the development and development of urban underground space, the excavation depth of the deep foundation pit is deeper and deeper. When a confined aquifer exists at the lower part of the excavation surface of the foundation pit, confined water gushing possibly occurs in the excavation process, the confined water gushing threatens the stability of the foundation pit and the safety of facilities around the foundation pit, and measures are required to be taken in time to perform confined water gushing plugging.

The existing plugging device for the pressure-bearing water piping of the deep foundation pit engineering is only suitable for the conditions of small water volume and small pressure of the pressure-bearing water piping; when the cement is pressed into the geotechnical model bag, the pressed cement slurry flows away along with the confined water due to the action of the confined water in the flow, cannot be solidified at a preset position, cannot effectively exert the pressing effect, and causes the plugging failure.

Therefore, the pressure-bearing water piping plugging device for the deep foundation pit engineering is provided.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a deep basal pit engineering pressure-bearing water piping plugging device overcomes above-mentioned technical problem or solves above-mentioned problem at least partially.

In order to solve the technical problem, the utility model provides a following technical scheme: deep basal pit engineering pressure-bearing water piping plugging device, including the mounting panel, the inside fixedly connected with annular bottom plate of mounting panel, the arc connecting plate is all installed to the top both sides of annular bottom plate, two the common fixed intercommunication in top of arc connecting plate has annular roof, two fixedly connected with thread bush between the arc connecting plate, the inside threaded connection of thread bush has outer steel pipe, the bottom of outer steel pipe links firmly to lead to there is the intubate, a plurality of tooth's sockets have been seted up to the bottom annular equidistance of intubate, the inside slip of outer steel pipe is provided with interior steel pipe.

As the utility model discloses a deep basal pit engineering pressure-bearing water piping plugging device is preferred technical scheme, the external screw thread has been seted up on the surface of outer steel pipe, external screw thread threaded connection is in the inside of thread bush, outer steel pipe is close to fixedly connected with limiting plate on the outer wall at top, the limiting plate sets up in the top of annular roof.

As the utility model discloses a deep basal pit engineering pressure-bearing water piping plugging device is preferred technical scheme, the fixed intercommunication in bottom of interior steel pipe has the shutoff pipe, the slide has all been pegged graft in the both sides of interior steel pipe, the inside both sides of outer steel pipe all seted up with slide assorted spout.

As the utility model discloses a preferred technical scheme of deep basal pit engineering pressure-bearing water piping plugging device, the equal fixedly connected with spring in the other both sides of inside of outer steel pipe, two the equal fixedly connected with arc splint of one end of spring, two the equal joint of arc splint is in the outside of inner steel pipe.

As the utility model discloses a preferred technical scheme of deep basal pit engineering pressure-bearing water piping plugging device, two the inside that the arc connecting plate just extended to the intubate is all seted up to the spout.

As the utility model discloses a preferred technical scheme of deep basal pit engineering pressure-bearing water piping plugging device, annular equidistance distributes on the mounting panel has a plurality of positioning bolt, every positioning bolt's one end all runs through in the mounting panel, the arm-lift is all installed to the both sides of annular roof.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the outer steel pipe, the insertion pipe, the inner steel pipe and the plugging pipe are matched for use, the water pressure and the soil pressure of a piping part are balanced by inserting the inner steel pipe and the plugging pipe, and the internal and external space difference generated by the outer steel pipe and the inner steel pipe is utilized, so that the beneficial effect on sealing the inner steel pipe is achieved;

2. through adopting fine sand, multilayer gradation rubble and cement shutoff inner steel pipe, take the slip casting mode to cut off the piping route, simple effective, can the emergence of the piping phenomenon of quick shutoff deep basal pit, can in time, effectively, conveniently control confined water piping accident risk, eliminate foundation ditch potential safety hazard, ensure foundation ditch engineering and peripheral facilities safety, whole shutoff process construction is easy and simple to handle, efficient, the shutoff is reliable.

Drawings

Fig. 1 is a schematic perspective view of the first embodiment of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic three-dimensional structure diagram of the present invention.

Wherein: 1. mounting a plate; 2. an annular base plate; 3. an arc-shaped connecting plate; 4. an annular top plate; 5. lifting the plate; 6. a threaded sleeve; 7. an outer steel tube; 8. a limiting plate; 9. an external thread; 10. inserting a tube; 11. a tooth socket; 12. an inner steel tube; 13. a spring; 14. an arc-shaped splint; 15. a chute; 16. a slide plate; 17. plugging the pipe; 18. and (6) positioning the bolt.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

please refer to fig. 1-3, the pressure-bearing water piping plugging device for deep foundation pit engineering comprises a mounting plate 1, an annular bottom plate 2 is fixedly connected inside the mounting plate 1, arc-shaped connecting plates 3 are mounted on two sides of the top of the annular bottom plate 2, annular top plates 4 are fixedly communicated with the tops of the two arc-shaped connecting plates 3 together, a thread bush 6 is fixedly connected between the two arc-shaped connecting plates 3, an outer steel pipe 7 is connected to the inner thread of the thread bush 6, an insertion pipe 10 is fixedly connected to the bottom of the outer steel pipe 7, a plurality of tooth grooves 11 are formed in the bottom of the insertion pipe 10 at equal annular intervals, and an inner steel pipe 12 is arranged inside the outer steel pipe 7 in a sliding manner.

In other embodiments, external screw thread 9 has been seted up on the surface of outer steel pipe 7, external screw thread 9 threaded connection is in the inside of thread bush 6, fixedly connected with limiting plate 8 on the outer wall at outer steel pipe 7 near the top, limiting plate 8 sets up in the top of annular roof 4, hold limiting plate 8 and rotate outer steel pipe 7, under the screw thread effect of thread bush 6, outer steel pipe 7 spiral moves down, remove to intubate 10 bottom and piping surface laminating, adopt heavy pressure to squeeze into piping surface with outer steel pipe 7 and intubate 10 along tooth's socket 11 surface, use the piping effluent water extraction in the outer steel pipe 7 of suction pump.

In other embodiments, the bottom of the inner steel pipe 12 is fixedly communicated with a plugging pipe 17, two sides of the inner steel pipe 12 are respectively inserted with a sliding plate 16, two sides of the inside of the outer steel pipe 7 are respectively provided with a sliding groove 15 matched with the sliding plate 16, the sliding plates 16 slide downwards along the sliding grooves 15, the plugging pipe 17 is inserted into a crack hole at the piping position by pulling out cloth and is driven by heavy pressure.

In other embodiments, the other equal fixedly connected with spring 13 in both sides of inside of outer steel pipe 7, the equal fixedly connected with arc splint 14 of one end of two springs 13, two arc splint 14 all the joint in the outside of interior steel pipe 12, two arc splint 14 of outside pulling for spring 13 compresses, and interior steel pipe 12 is no longer fixed.

In other embodiments, the two sliding grooves 15 are opened in the arc-shaped connecting plate 3 and extend to the inside of the insertion tube 10, so as to facilitate the separation between the inner steel tube 12 and the outer steel tube 7.

In other embodiments, annular equidistance distributes on mounting panel 1 has a plurality of positioning bolt 18, and the one end of every positioning bolt 18 all runs through in mounting panel 1, and lifter plate 5 is all installed to the both sides of annular roof 4, with deep basal pit piping department surface water treatment, seeks piping department crack hole, adopts the preliminary stopper of cloth to fill out, reduces the volume of gushing water, installs mounting panel 1 on crack hole through positioning bolt 18.

When the utility model is used, the surface water of the piping position of the deep foundation pit is treated, the cracking hole of the piping position is searched, the cloth is adopted for preliminary filling, the water inflow is reduced, the mounting plate 1 is mounted on the cracking hole through the positioning bolt 18, the axes of the outer steel pipe 7, the inner steel pipe 12, the annular bottom plate 2 and the annular top plate 4 are positioned at the cracking hole, the limiting plate 8 is held to rotate the outer steel pipe 7, the outer steel pipe 7 moves downwards in a spiral mode under the action of the thread sleeve 6 and moves to the bottom of the insertion pipe 10 to be attached to the surface of the piping, the outer steel pipe 7 and the insertion pipe 10 are driven into the surface of the piping along the surface of the tooth socket 11 by adopting heavy pressure, and the water pumping pump is used for pumping the piping effluent water in the outer steel pipe 7;

then, pulling the two arc-shaped clamping plates 14 outwards to compress the spring 13, enabling the inner steel pipe 12 not to be fixed any more, sliding downwards along the sliding chute 15 through the sliding plate 16, pulling out cloth to insert the plugging pipe 17 into a cracking hole at the piping position and using heavy pressure to drive the plugging pipe, completely pumping the piping effluent between the outer steel pipe 7 and the inner steel pipe 12 by using a water suction pump, filling fine sand and graded broken stones, filling the graded broken stones again after settling for 1h, then sealing the upper cement layer, wherein the sealing position of the upper cement layer is not higher than the height of the inner steel pipe 12, and the diameter of the graded broken stones is required to be gradually increased from the bottom; the static cement sealing upper strata solidifies the back, squeeze into piping department crack completely with interior steel pipe 12 in, the detection piping condition stews, when waiting not taking place the piping, get rid of outer steel pipe 7 and fill cement to filling up interior steel pipe 12 completely in interior steel pipe 12, the emergence of the piping phenomenon of the deep basal pit of shutoff fast, can be timely, effectively, control confined water piping accident risk conveniently, eliminate foundation ditch potential safety hazard, ensure foundation ditch engineering and peripheral facilities safety, whole shutoff process construction easy and simple to handle, high efficiency, the shutoff is reliable.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. Deep basal pit engineering confined water piping plugging device, including mounting panel (1), its characterized in that: the inside fixedly connected with annular bottom plate (2) of mounting panel (1), arc connecting plate (3), two are all installed to the top both sides of annular bottom plate (2) the common fixed intercommunication in top of arc connecting plate (3) has annular roof (4), two fixedly connected with thread bush (6) between arc connecting plate (3), the inside threaded connection of thread bush (6) has outer steel pipe (7), the bottom of outer steel pipe (7) links firmly to lead to and has intubate (10), a plurality of tooth's sockets (11) have been seted up to the bottom annular equidistance of intubate (10), the inside slip of outer steel pipe (7) is provided with interior steel pipe (12).

2. The deep foundation pit engineering pressure-bearing water piping plugging device of claim 1, characterized in that: external screw thread (9) have been seted up on the surface of outer steel pipe (7), external screw thread (9) threaded connection is in the inside of thread bush (6), fixedly connected with limiting plate (8) on outer steel pipe (7) are close to the outer wall at top, limiting plate (8) set up in the top of annular roof (4).

3. The deep foundation pit engineering pressure-bearing water piping plugging device of claim 1, characterized in that: the bottom of interior steel pipe (12) is fixed the intercommunication has shutoff pipe (17), the both sides of interior steel pipe (12) are all pegged graft and are had slide (16), the inside both sides of outer steel pipe (7) all seted up with slide (16) assorted spout (15).

4. The deep foundation pit engineering confined water piping plugging device of claim 3, characterized in that: the equal fixedly connected with spring (13) in the other both sides of inside of outer steel pipe (7), two the equal fixedly connected with arc splint (14) of one end of spring (13), two equal joint in the outside of interior steel pipe (12) of arc splint (14).

5. The deep foundation pit engineering pressure-bearing water piping plugging device of claim 4, wherein: two the spout (15) all set up in arc connecting plate (3) and extend to the inside of intubate (10).

6. The deep foundation pit engineering confined water piping plugging device of claim 1, characterized in that: annular equidistance distributes on mounting panel (1) has a plurality of positioning bolt (18), every the one end of positioning bolt (18) all runs through in mounting panel (1), lifter plate (5) are all installed to the both sides of annular roof (4).

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