CN112502174A - Quick dewatering device for deep foundation pit - Google Patents

Abstract

The invention discloses a quick dewatering device for a deep foundation pit, which comprises a first support frame, wherein a first pump, a water storage mechanism and a second support frame are sequentially arranged on the upper side of the first support frame from left to right, the upper side of the water storage mechanism is fixedly connected with a second pump, a filter bin is arranged on the upper side of the second support frame, the first pump and the water storage mechanism are connected through a pipeline, a second connecting pipe is arranged between the water storage mechanism and the filter bin, a first connecting pipe is arranged between the second pump and the filter bin, a main drainage pipe is fixedly connected to the left side of the first pump, a drainage pipe joint is arranged on the lower side of the other end of the main drainage pipe, a fixed water guide pipe is arranged on the lower side of the drainage pipe joint, and a movable water guide pipe is movably connected inside the fixed water guide pipe. According to the invention, the soil in the foundation pit is washed, so that muddy water containing the soil in the foundation pit can be conveniently and rapidly discharged, meanwhile, the arrangement by workers is convenient, and the foundation pit dewatering speed can be greatly improved.

Description

Quick dewatering device for deep foundation pit

Technical Field

The invention relates to the technical field of foundation pit dewatering, in particular to a quick dewatering device for a deep foundation pit.

Background

The supporting system of the deep foundation pit engineering not only relates to deeper earthwork excavation to ensure the safety and normal use of adjacent buildings and underground pipelines of the foundation pit, but also has the functions of blocking the seepage of underground water into the foundation pit and ensuring the dryness of a construction operation surface in the foundation pit. In order to ensure the stability of the foundation pit side slope, accelerate the construction speed of the engineering and reduce the engineering cost, effective precipitation measures must be taken before the foundation soil is excavated. With the continuous development of the building industry, in the construction process of excavating the deep foundation pit, if precipitation construction cannot be well done, great difficulty is brought to excavation support and engineering foundation construction of the foundation pit. Therefore, the precipitation scheme and the construction process of the deep foundation pit are very important.

However, because the foundation pit contains a large amount of soil, when the precipitation is carried out, muddy water in the foundation pit is easy to block the precipitation device, so that the precipitation device is blocked, and the precipitation speed is greatly reduced; simultaneously, because the deposit of earth, the adhesion of earth easily taking place in the foundation ditch hardens, and the earth of bottom is changeed and is caused the precipitation device and block when precipitation, and upper portion water is taken out to appear, and bottom earth remains the problem that is difficult to get rid of, needs the manual work to clear up, need consume a large amount of manpower and materials, has further reduced precipitation construction speed in the foundation ditch.

Therefore, the rapid dewatering device for the deep foundation pit is provided to solve the problems.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, a precipitation device is easy to block when in use, so that the precipitation construction speed is low due to the fact that the deep foundation pit contains soil, and provides a rapid precipitation device for the deep foundation pit.

In order to achieve the purpose, the invention adopts the following technical scheme:

a quick dewatering device for a deep foundation pit comprises a first support frame, wherein a first pump machine, a water storage mechanism and a second support frame are sequentially arranged on the upper side of the first support frame from left to right, a second pump machine is fixedly connected to the upper side of the water storage mechanism, a filter bin is arranged on the upper side of the second support frame, the first pump machine is connected with the water storage mechanism through a pipeline, a second connecting pipe is arranged between the water storage mechanism and the filter bin, a first connecting pipe is arranged between the second pump machine and the filter bin, a main drainage pipe is fixedly connected to the left side of the first pump machine, a drainage pipe joint is arranged on the lower side of the other end of the main drainage pipe, a fixed water guide pipe is arranged on the lower side of the drainage pipe joint, a movable water guide pipe is movably connected to the inside of the fixed water guide pipe, a water spray head is fixedly connected to the lower end of the movable water guide pipe, a main drainage pipe is, the other end downside of main blowdown pipe is equipped with two blowdown pipe joints, the downside of blowdown pipe joint is equipped with fixed mud pumping pipe, the inside swing joint of fixed mud pumping pipe has movable mud pumping pipe, the lower extreme of activity mud pumping pipe is L shape, the lower extreme setting of activity mud pumping pipe is in the both sides of sprinkler bead, two the mud pumping pipe mouth of pipe is taken out to one side fixedly connected with that the activity mud pumping pipe is relative.

In the above-mentioned quick dewatering device of deep basal pit, the downside fixedly connected with a plurality of bracing pieces of first support frame, the lower extreme fixedly connected with bottom plate of bracing piece.

In foretell a quick dewatering device of deep basal pit, water storage mechanism includes the box, the inside of box has set gradually retaining storehouse, baffle and air extractor from a left side to the right side, the upside of air extractor is equipped with the exhaust tube, the second connecting pipe passes box fixedly connected with water injection pipe, the water injection pipe sets up the top at the box, the one end below that the exhaust tube passed the baffle is equipped with the kickboard, one side fixedly connected with T-shaped piece that the kickboard is close to the baffle, one side that the baffle is close to the retaining storehouse is equipped with the T-shaped groove, the T-shaped piece is located the T-shaped inslot.

In the above-mentioned quick dewatering device for deep foundation pit, the movable aqueduct is equipped with the link on the both sides of the position near the sprinkler bead, the link is L shape, the lower extreme fixedly connected with kickboard of link, the kickboard sets up with the link is perpendicular.

In foretell deep basal pit rapid precipitation device, the fixed upper portion of taking out mud pipe and fixed aqueduct is equipped with the mount, the downside fixedly connected with landing leg of mount, the lower extreme of landing leg is equipped with the backing plate, the upside of mount is equipped with two rings.

In foretell deep basal pit rapid dewatering device, the rear side of crossing the filter bin is equipped with driving motor, driving motor's downside is equipped with a supporting bench, driving motor's output fixedly connected with axostylus axostyle.

In foretell deep basal pit rapid dewatering device, the one end fixedly connected with connecting rod that the axostylus axostyle passed filter storehouse, the lower extreme fixedly connected with push rod of connecting rod, set up perpendicularly between push rod and the connecting rod, the push rod is located in the filter storehouse with the connecting rod, the one end fixedly connected with gag lever post that the push rod was kept away from to the connecting rod, the inside of filtering the storehouse is equipped with the ring channel, the gag lever post is located in the ring channel.

In foretell deep basal pit rapid dewatering device, be equipped with the baffle in the filtration storehouse, the below of baffle is equipped with the arc filter, the inside of arc filter is equipped with a plurality of filter tanks, the radius of arc filter is the same with the length of connecting rod.

In foretell deep basal pit rapid dewatering device, the right side of arc filter is equipped with the mud discharging port, the position that the arc filter is close to the mud discharging port is equipped with leads the mud pipe, it communicates with each other with the external world to lead the mud pipe to pass the filter bin.

Compared with the prior art, the invention has the following advantages:

1. set up first pump machine and second pump machine cooperation and use, can take muddy water in the foundation ditch out through two fixed mud pipes of taking out, after filtering through filtering the storehouse, will get rid of ponding of earth and pump the foundation ditch again through water storage mechanism and fixed aqueduct in, mix in aqueous through washing the earth that makes in the foundation ditch to be convenient for extract, because the water in the foundation ditch can obtain recycling, thereby can fully erode the earth in the foundation ditch, make muddy water in the foundation ditch be convenient for discharge.

2. The first pump machine and the water storage mechanism can run independently, and after soil is discharged, muddy water can be discharged independently by running the first pump machine independently; the staff can operate first pump machine and second pump machine as required, is fit for the foundation ditch drainage demand under the different situation.

3. Be provided with air extractor and retaining storehouse in the water storage mechanism, accessible air extractor forms the negative pressure to the retaining storehouse, and then forms the negative pressure in to the water injection pipe to make the suction in the second connecting tube bigger, be convenient for take out the muddy water after the filtration leading-in retaining storehouse in, so that use it to erode the earth in the foundation ditch.

4. Set up and fix and take out through blow off pipe joint connection between mud pipe and the main sewer pipe, through drain pipe joint connection between fixed aqueduct and the main sewer pipe, the convenience of use personnel assemble the device, set up baffle and arc filter cooperation simultaneously and use, the accessible rotates the connecting rod and drives the push rod and rotate along the upside of arc filter, when mud mouth department is arranged in the process, discharge earth, simultaneously with the water after filtering discharge to the foundation ditch again in, can realize uninterrupted duty, effectively improved foundation ditch precipitation efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a rapid precipitation device for a deep foundation pit according to the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is an enlarged view of the point B in FIG. 1;

FIG. 4 is a schematic view of the structure of the D-D surface in FIG. 1;

FIG. 5 is an enlarged view of the point C in FIG. 4;

fig. 6 is a schematic structural diagram of a water storage mechanism of the rapid precipitation device for the deep foundation pit.

In the figure: 1 first supporting frame, 2 first pump machine, 3 water storage mechanism, 301 box body, 302 air pump machine, 303 water storage bin, 304 water injection pipe, 305 air pumping pipe, 306 partition board, 307T-shaped groove, 308 floating plate, 4 second supporting frame, 5 second pump machine, 6 filtering bin, 7 supporting rod, 8 bottom board, 9 main sewage discharge pipe, 10 main water discharge pipe, 11 sewage discharge pipe joint, 12 water discharge pipe joint, 13 fixed mud pumping pipe, 14 fixed water guide pipe, 15 movable mud pumping pipe, 16 movable water guide pipe, 17 water spray head, 18 connecting frame, 19 floating plate, 20 mud pumping pipe orifice, 21 first connecting pipe, 22 baffle, 23 second connecting pipe, 24 arc-shaped filtering plate, 25 mud guide pipe, 26 filtering tank, 27 push rod, 28 connecting rod, 29 mud discharging orifice, 30 shaft rod, 31 driving motor, 32 limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a deep foundation pit rapid dewatering device comprises a first support frame 1, the first support frame 1 is arranged on the ground beside a foundation pit, afirst pump 2 for pumping filtered muddy water into the foundation pit, awater storage mechanism 3 for storing the filtered muddy water and asecond support frame 4 for supporting a filtering structure are sequentially arranged on the upper side of the first support frame 1 from left to right, asecond pump 5 for pumping the muddy water is fixedly connected on the upper side of thewater storage mechanism 3, a muddywater filtering bin 6 for filtering the muddy water is arranged on the upper side of thesecond support frame 4, the muddy water mixed with soil in the foundation pit can be pumped and conveyed into the filteringbin 6 through thesecond pump 5, thefirst pump 2 is connected with thewater storage mechanism 3 through a pipeline, a second connectingpipe 23 is arranged between thewater storage mechanism 3 and thefiltering bin 6, the filtered muddy water can be conveyed into thewater storage mechanism 3 through the second connectingpipe 23, a first connectingpipe 21 is arranged between thesecond pump 5 and thefiltering bin 6, the muddy water can be pumped into the filteringbin 6 through the first connectingpipe 21, the muddy water filtered by thefiltering bin 6 is conveyed into thewater storage mechanism 3 through a second connectingpipe 23, and is conveyed into a foundation pit through thefirst pump 2.

The left side of thefirst pump machine 2 is fixedly connected with amain drainage pipe 10, filtered muddy water can be conveyed into a foundation pit through themain drainage pipe 10, adrainage pipe joint 12 is arranged on the lower side of the other end of themain drainage pipe 10, a fixedwater guide pipe 14 is arranged on the lower side of thedrainage pipe joint 12, and the fixedwater guide pipe 14 can be conveniently connected with themain drainage pipe 10 by a constructor through the arrangement of thedrainage pipe joint 12.

Thewater storage mechanism 3 comprises abox body 301, awater storage bin 303 for storing water flow, apartition plate 306 and anair pump 302 are sequentially arranged in thebox body 301 from left to right, anair pumping pipe 305 is arranged on the upper side of theair pump 302, negative pressure can be formed in thewater storage bin 303 through theair pump 302, a second connectingpipe 23 penetrates through thebox body 301 and is fixedly connected with awater injection pipe 304, thewater injection pipe 304 is arranged above thebox body 301, muddy water can be conveyed into thewater storage bin 303 through thewater injection pipe 304 through the second connectingpipe 23, afloating plate 308 is arranged below one end of theair pumping pipe 305 penetrating through thepartition plate 306, when thefloating plate 308 rises, theair pumping pipe 305 can be blocked, the water in thewater storage bin 303 is prevented from entering theair pump 302 through theair pumping pipe 305, a T-shaped block is fixedly connected to one side of thefloating plate 308 close to thepartition plate 306, a T-shaped groove 307 is arranged on one side of the, thefloating plate 308 can be controlled to keep moving up and down in the vertical direction.

The movablewater guide pipe 16 is movably connected inside the fixedwater guide pipe 14, the movablewater guide pipe 16 and the fixedwater guide pipe 14 can move up and down, the lower end of the movablewater guide pipe 16 is fixedly connected with asprinkler head 17, thesprinkler head 17 is arranged in a foundation pit, the left side of thesecond pump 5 is fixedly connected with a main sewage discharge pipe 9, the lower side of the other end of the main sewage discharge pipe 9 is provided with two sewagedischarge pipe joints 11, the lower side of the sewagedischarge pipe joint 11 is provided with a fixedmud pumping pipe 13, the main sewage discharge pipe 9 and the fixedmud pumping pipe 13 are connected through the sewagedischarge pipe joint 11 by an operator conveniently, the movablemud pumping pipe 15 is movably connected inside the fixedmud pumping pipe 13, mud water mixed with soil in the foundation pit can be pumped out through themud pumping pipe 15 and the fixedmud pumping pipe 13, the lower end of the movablemud pumping pipe 15 is L-shaped, the lower end of the movablemud pumping pipe 15 is arranged on two sides of thesprinkler head 17, the flushed mud, the opposite sides of the two movablemud pumping pipes 15 are fixedly connected with mudpumping pipe orifices 20, and mud water is convenient to discharge the mud water mixed with mud through the mudpumping pipe orifices 20 after being washed by thewater spray heads 17.

A plurality ofbracing pieces 7 of downside fixedly connected with of first support frame 1, can fix and support first support frame 1 throughbracing piece 7, the lower extreme fixedly connected withbottom plate 8 ofbracing piece 7, can make equipment keep firm in the operation, the position both sides thatactivity aqueduct 16 is close tosprinkler bead 17 are equipped withlink 18,link 18 is L shape, the lower extreme fixedly connected withkickboard 19 oflink 18,kickboard 19 sets up withlink 18 is perpendicular, can keep fixed position withkickboard 19 and sprinkler bead 17 throughlink 18, set up the top that thesprinkler bead 17 can keepsprinkler bead 17 in the muddy water in the foundation ditch, be convenient for wash away muddy water.

The upper portions of the fixedmud pumping pipe 13 and the fixedwater guide pipe 14 are provided with fixing frames, the lower sides of the fixing frames are fixedly connected with supporting legs, the lower ends of the supporting legs are provided with base plates, the upper sides of the fixing frames are provided with two hanging rings, and a constructor can conveniently install the fixing frames above a foundation pit, so that the fixed installation of the fixedmud pumping pipe 13 and the fixedwater guide pipe 14 is completed.

The rear side of thefilter bin 6 is provided with adriving motor 31, the lower side of the drivingmotor 31 is provided with a supporting table, the supporting table can support thedriving motor 31, the output end of thedriving motor 31 is fixedly connected with ashaft rod 30, and theshaft rod 30 is driven to rotate through thedriving motor 31.

One end fixedly connected with connectingrod 28 thatfilter storehouse 6 was passed toaxostylus axostyle 30, connectingrod 28 rotates along withaxostylus axostyle 30's rotation, the lower extreme fixedly connected withpush rod 27 of connectingrod 28, set up perpendicularly betweenpush rod 27 and the connectingrod 28, connectingrod 28 drivespush rod 27 and usesaxostylus axostyle 30 as the centre of a circle rotation,push rod 27 and connectingrod 28 are located infilter storehouse 6, the one end fixedly connected withgag lever post 32 ofpush rod 27 is kept away from to connectingrod 28, the inside offilter storehouse 6 is equipped with the ring channel,gag lever post 32 is located in the ring channel.

Be equipped withbaffle 22 in thefiltration storehouse 6, the below ofbaffle 22 is equipped witharc filter 24, can guide muddy water toarc filter 24's upside through setting upbaffle 22,arc filter 24's inside is equipped with a plurality offilter tanks 26 for separate earth and rivers,arc filter 24's radius is the same with the length of connectingrod 28, can keeppush rod 27 to keep in contact witharc filter 24 all the time, it can filter earth inarc filter 24's top to set upfilter tank 26.

The right side ofarc filter 24 is equipped withmud discharging port 29 for discharge the earth after filtering, and the position thatarc filter 24 is close tomud discharging port 29 is equipped withmud pipe 25, andmud pipe 25passes filter storehouse 6 and communicates with each other with the external world, and when connectingrod 28 rotated, can promote the earth rotation ofarc filter 24 upside, when rotating to mud dischargingport 29 department, can discharge earth throughmud pipe 25.

The working principle is as follows:

the device is arranged above a foundation pit according to the figure 1, asecond pump 5, afirst pump 2, anair pump 302 and a drivingmotor 31 are started, muddy water containing soil in the foundation pit is conveyed into a main sewage discharge pipe 9 through a movablemud pumping pipe 15 and a fixedmud pumping pipe 13 and conveyed into afilter bin 6 through thesecond pump 5 and a first connectingpipe 21, the muddy water flows to the upper part of an arc-shaped filter plate 24 under the blockage of abaffle plate 22, the water in the muddy water flows into a second connectingpipe 23 through the arc-shaped filter plate 24 and is conveyed into awater storage mechanism 3, theair pump 302 generates negative pressure in thewater storage bin 303 through anair pumping pipe 305, as awater injection pipe 304 is arranged above thewater storage bin 303, thewater injection pipe 304 can generate negative pressure on the second connectingpipe 23 to pump the filtered muddy water in the water into thewater storage bin 303, the muddy water in thewater storage mechanism 3 is conveyed to awater spray head 17 through a mainwater discharge pipe 10 and a fixedwater guide pipe 14 through the operation of thefirst pump 2, washing mud water containing soil in the foundation pit; when the drivingmotor 31 is operated, the connectingrod 28 and thepush rod 27 are driven to rotate, thepush rod 27 pushes the soil on the upper side of the arc-shaped filter plate 24 to rotate along the arc-shaped filter plate 24, and when the soil passes through thesludge discharge port 29, the soil can be discharged through thesludge guide pipe 25.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. A quick dewatering device for a deep foundation pit comprises a first support frame (1) and is characterized in that a first pump (2), a water storage mechanism (3) and a second support frame (4) are sequentially arranged on the upper side of the first support frame (1) from left to right, a second pump (5) is fixedly connected to the upper side of the water storage mechanism (3), a filtering bin (6) is arranged on the upper side of the second support frame (4), the first pump (2) is connected with the water storage mechanism (3) through a pipeline, a second connecting pipe (23) is arranged between the water storage mechanism (3) and the filtering bin (6), a first connecting pipe (21) is arranged between the second pump (5) and the filtering bin (6), a main drainage pipe (10) is fixedly connected to the left side of the first pump (2), and a lower drainage pipe joint (12) is arranged at the other end of the main drainage pipe (10), the sewage pump is characterized in that a fixed water guide pipe (14) is arranged on the lower side of the water discharge pipe joint (12), a movable water guide pipe (16) is movably connected inside the fixed water guide pipe (14), a water spray head (17) is fixedly connected to the lower end of the movable water guide pipe (16), a main sewage discharge pipe (9) is fixedly connected to the left side of the second pump (5), two sewage discharge pipe joints (11) are arranged on the lower side of the other end of the main sewage discharge pipe (9), a fixed mud pumping pipe (13) is arranged on the lower side of each sewage discharge pipe joint (11), a movable mud pumping pipe (15) is movably connected inside the fixed mud pumping pipe (13), the lower end of each movable mud pumping pipe (15) is L-shaped, the lower end of each movable mud pumping pipe (15) is arranged on two sides of the water spray head (17), and a mud pumping pipe opening (20) is fixedly connected to one side, opposite to.

2. The quick dewatering device for the deep foundation pit according to claim 1, characterized in that a plurality of support rods (7) are fixedly connected to the lower side of the first support frame (1), and a bottom plate (8) is fixedly connected to the lower ends of the support rods (7).

3. The quick precipitation device for the deep foundation pit according to claim 1, wherein the water storage mechanism (3) comprises a box body (301), a water storage bin (303), a partition plate (306) and an air extractor (302) are sequentially arranged inside the box body (301) from left to right, an air extraction pipe (305) is arranged on the upper side of the air extractor (302), the second connecting pipe (23) penetrates through the box body (301) and is fixedly connected with a water injection pipe (304), the water injection pipe (304) is arranged above the box body (301), a floating plate (308) is arranged below one end, penetrating through the partition plate (306), of the air extraction pipe (305), a T-shaped block is fixedly connected to one side, close to the partition plate (306), of the floating plate (308), a T-shaped groove (307) is arranged on one side, close to the water storage bin (303), of the partition plate (306), and the T-shaped groove (307) is.

4. The quick dewatering device for the deep foundation pit according to claim 1, wherein the movable water guide pipe (16) is provided with connecting frames (18) at two sides of the position close to the water spray head (17), the connecting frames (18) are L-shaped, the lower end of each connecting frame (18) is fixedly connected with a floating plate (19), and the floating plate (19) is perpendicular to the connecting frames (18).

5. The quick dewatering device for the deep foundation pit according to claim 1, wherein a fixing frame is arranged on the upper portions of the fixed mud pumping pipe (13) and the fixed water guide pipe (14), a supporting leg is fixedly connected to the lower side of the fixing frame, a base plate is arranged at the lower end of the supporting leg, and two hanging rings are arranged on the upper side of the fixing frame.

6. The quick dewatering device for the deep foundation pit according to claim 1, wherein a driving motor (31) is arranged at the rear side of the filtering bin (6), a supporting table is arranged at the lower side of the driving motor (31), and a shaft rod (30) is fixedly connected to the output end of the driving motor (31).

7. The quick dewatering device for the deep foundation pit according to claim 6, wherein the shaft rod (30) is fixedly connected with a connecting rod (28) at one end penetrating through the filter bin (6), a push rod (27) is fixedly connected with the lower end of the connecting rod (28), the push rod (27) and the connecting rod (28) are vertically arranged, the push rod (27) and the connecting rod (28) are arranged in the filter bin (6), a limiting rod (32) is fixedly connected with one end, far away from the push rod (27), of the connecting rod (28), an annular groove is formed in the filter bin (6), and the limiting rod (32) is arranged in the annular groove.

8. The deep foundation pit rapid water lowering device according to claim 6, wherein a baffle plate (22) is arranged in the filtering bin (6), an arc-shaped filtering plate (24) is arranged below the baffle plate (22), a plurality of filtering grooves (26) are formed in the arc-shaped filtering plate (24), and the radius of the arc-shaped filtering plate (24) is the same as the length of the connecting rod (28).

9. The quick dewatering device for the deep foundation pit according to claim 8, characterized in that a sludge discharge port (29) is formed in the right side of the arc-shaped filter plate (24), a sludge guide pipe (25) is arranged at the position, close to the sludge discharge port (29), of the arc-shaped filter plate (24), and the sludge guide pipe (25) penetrates through the filter bin (6) to be communicated with the outside.

Images