CN211057828U

CN211057828U - Interim drainage structures is dug to earthwork packing

Info

Publication number: CN211057828U
Application number: CN201921580467.2U
Authority: CN
Inventors: 田勇; 刘恒
Original assignee: Xi'an Yongyi Construction Engineering Co ltd
Current assignee: Xi'an Yongyi Construction Engineering Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-07-21
Anticipated expiration: 2029-09-20

Abstract

The utility model relates to an earthwork fills out and digs drainage field, discloses an earthwork fills out and digs interim drainage structures, and its technical essential is: the utility model provides an earthwork fills out and digs interim drainage structures, includes the escape canal, and the escape canal bottom is provided with a sump pit every a section distance, and escape canal and sump pit inner wall are equipped with the grit and anti-filter layer, and grit is anti-filter layer periphery and is equipped with stone block layer of starching, is equipped with the infiltration hole on the stone block layer of starching, the inside drinking-water pipe that is equipped with of sump pit, and the drinking-water bottom of tubes portion is equipped with the strainer, and the tip that the drinking-water pipe spills the sump pit is equipped with the suction pump, is. The utility model discloses an earthwork is filled and is dug interim drainage structures not only can reduce the water level of groundwater, collects the emission to the rainwater, can prevent moreover that mud and grit in the water from damaging the suction pump, improves the life of suction pump.

Description

Interim drainage structures is dug to earthwork packing

Technical Field

The utility model belongs to the technical field of the earthwork engineering technique of digging the drainage and specifically relates to an earthwork is filled out and is dug interim drainage structures.

Background

Earthwork engineering is one of the main engineering in construction engineering construction, including the aspects of cut earth (stone) side edge digging, filling, transportation, drainage, precipitation and the like, and common earthwork engineering includes site leveling, roadbed excavation, civil air defense engineering excavation, roadbed filling, foundation pit backfilling and the like. When excavation foundation ditch, ground water level is higher than the excavation bottom surface, and groundwater can constantly permeate the hole in, can be under the construction under dry environment for the foundation ditch after guaranteeing to dig, prevents that the slope unstability, the uplift of pit bottom and foundation bearing capacity from descending etc. need carry out the drainage to the foundation ditch.

The existing foundation pit drainage is usually carried out in a well point dewatering mode, a well is dug in a site selection mode inside a foundation pit, and water in the well point is pumped out by a water pump, so that the water level of underground water is reduced, but the water in the well often has mud and gravel, and the water pump and other equipment are easily damaged.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art existence, the utility model aims at providing an earthwork is filled out and is dug interim drainage structures not only can reduce the water level of groundwater, collects the rainwater and discharges, can prevent moreover that mud and grit in the water from damaging the suction pump, improves the life of suction pump.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an earthwork is filled and is dug interim drainage structures, includes the escape canal, escape canal bottom is provided with a sump pit every a section distance, escape canal and sump pit inner wall are equipped with the grit and invert the filter layer, grit invert the filter layer periphery and is equipped with stone masonry block layer, be equipped with the infiltration hole on the stone masonry block layer, the inside drinking-water pipe that is equipped with of sump pit, the drinking-water pipe bottom is equipped with the water strainer, the tip that the drinking-water pipe spills the sump pit is equipped with the suction pump, be connected with the drain pipe on the suction pump.

Through adopting above-mentioned technical scheme, the rainwater flows into the sump pit of its bottom through the escape canal in, and in groundwater infiltration sump pit, start the suction pump and take out groundwater or rainwater in with the sump pit through strainer and drinking-water pipe, and the rainwater of taking out is in the rainwater pipeline of drain pipe discharge in the municipal pipe network. Water is filtered through the strainer pipe, and the water suction pump is prevented from being damaged when slurry and sand in the water collecting well enter the water suction pump. The sandstone inverted filter layer is used for filtering soil and draining water, so that permeation water is ensured to be drained through, and matrix soil is prevented from being drained along with the permeation water; the function of the masonry block layer is to stabilize and protect, and prevent the sand and stone of the sand and stone reverse filter layer from falling into the water collecting well; the water seepage holes on the masonry block layer ensure that water can smoothly flow into the water collecting well. To sum up, this drainage structures not only can reduce the water level of groundwater, collects the drainage to the rainwater, can prevent in the water mud and sand stone damage suction pump moreover, improves suction pump's life.

The utility model discloses further set up to: the strainer includes the main part pipe of being connected with the drinking-water pipe, be equipped with a plurality of inlet openings on the main part pipe, the main part outside of tubes is equipped with first filter screen, first filter screen with be equipped with the second filter screen between the main part pipe, the filtration pore of second filter screen is less than the filtration pore of first filter screen, first filter screen outside is equipped with the protection rack.

Through adopting above-mentioned technical scheme, water in the sump pit gets into in the main part pipe through the inlet opening to behind drinking-water pipe and the suction pump by the drain pipe discharge. The protective net frame plays a protective role, prevents sand and stone particles from colliding with the main pipe to cause damage in the water pumping process, and prolongs the service life of the main pipe; the first filter screen and the second filter screen carry out dual filtration to the water that gets into in the main part pipe, prevent that mud and grit from damaging the suction pump in main part pipe and the entering suction pipe entering suction pump.

The utility model discloses further set up to: the drinking-water pipe with be provided with the filter chamber between the suction pump, the inside vertical third filter screen that is provided with of filter chamber, the filtration pore of third filter screen is less than the filtration pore of second filter screen.

Through adopting above-mentioned technical scheme, the water that gets into the suction pump is filtered once more through the third filter screen in the filter chamber, guarantees not to have the debris that can cause the damage to it in the aquatic that gets into the suction pump, improves the life of suction pump.

The utility model discloses further set up to: the filter chamber is close to draw pump one side orientation the third filter screen is provided with the backwash pipe, the backwash pipe other end is connected with the hydroecium, the part that the backwash pipe is located the filter chamber is outdoor is provided with high pressure water pump, the backwash pipe reduces towards third filter screen diameter gradually.

By adopting the technical scheme, the high-pressure water pump is periodically started to wash the third filter screen through the backwashing pipe, so that the third filter screen is prevented from being blocked to influence the efficiency of water drainage in the water collecting well.

The utility model discloses further set up to: the water collecting well is characterized in that a fixing plate is arranged at the top of the water collecting well, a first round hole for the water pumping pipe to pass through is formed in the fixing plate, and a plurality of through holes are formed in the fixing plate.

Through adopting above-mentioned technical scheme, the rainwater that gathers in the escape canal flows into the sump pit through the through-hole in, plays the guard action to the sump pit through the fixed plate, prevents debris such as outside leaf, piece from getting into the sump pit along with the rainwater.

The utility model discloses further set up to: the guide rod is coaxially arranged in the loop bar, an arc abutting block is arranged at the end part, far away from the first round hole side wall, of the guide rod, and a spring is arranged between the first round hole side wall and the arc abutting block.

Through adopting above-mentioned technical scheme, pass first round hole with the drinking-water pipe, the drinking-water pipe is located each arc and supports between the piece, and the spring is in compression state this moment, and under the effect of spring elasticity, the arc supports the piece and supports the drinking-water pipe tightly, applicable in the drinking-water pipe of multiple model.

The utility model discloses further set up to: the both sides wall slope of escape canal sets up, the opening of escape canal is big-end-up.

Through adopting above-mentioned technical scheme, the slope of escape canal both sides wall sets up in the rainwater inflow escape canal of being convenient for.

The utility model discloses further set up to: a protective grid plate is arranged above the drainage ditch, and a second round hole for the end part of the water pumping pipe to penetrate through is formed in the protective grid plate.

Through adopting above-mentioned technical scheme, the protection grid board plays the guard action, prevents that the staff from stepping into the escape canal carelessly when light is darker in, guarantees staff's life safety.

To sum up, the utility model discloses a beneficial technological effect does:

1. rainwater flows into the water collecting well at the bottom of the rainwater collecting well through the drainage ditch, groundwater permeates into the water collecting well, the water suction pump is started to pump groundwater or rainwater in the water collecting well out through the water filter pipe and the water suction pipe, and pumped water is discharged into a rainwater pipeline in the municipal pipe network through the drainage pipe. Water is filtered through the strainer pipe, and the water suction pump is prevented from being damaged when slurry and sand in the water collecting well enter the water suction pump. The sandstone inverted filter layer is used for filtering soil and draining water, so that permeation water is ensured to be drained through, and matrix soil is prevented from being drained along with the permeation water; the function of the masonry block layer is to stabilize and protect, and prevent the sand and stone of the sand and stone reverse filter layer from falling into the water collecting well; the water seepage holes on the masonry block layer ensure that water can smoothly flow into the water collecting well. To sum up, this drainage structures not only can reduce the water level of groundwater, collects the drainage to the rainwater, can prevent in the water mud and sand stone damage suction pump moreover, improves suction pump's life.

2. Water in the water collecting well enters the main body pipe through the water inlet hole and is discharged by the water discharging pipe after passing through the water pumping pipe and the water pumping pump. The protective net frame plays a protective role, prevents sand and stone particles from colliding with the main pipe to cause damage in the water pumping process, and prolongs the service life of the main pipe; the first filter screen and the second filter screen carry out dual filtration to the water that gets into in the main part pipe, prevent that mud and grit from damaging the suction pump in main part pipe and the entering suction pipe entering suction pump.

Drawings

Fig. 1 is an overall sectional schematic view of the present invention;

FIG. 2 is a partial schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of the fixing plate of the present invention.

In the figure, 1, a drainage ditch; 2. a water collecting well; 21. a fixing plate; 22. a first circular hole; 23. a guide bar; 24. a loop bar; 25. an arc-shaped abutting block; 26. a spring; 27. a through hole; 3. a sandstone inverted filter layer; 4. grouted stone block layers; 5. a water seepage hole; 6. a water pumping pipe; 7. a water filter pipe; 71. a main body tube; 72. a water inlet hole; 73. a first filter screen; 74. a second filter screen; 75. protecting the net rack; 8. a water pump; 9. a drain pipe; 10. a protective grid plate; 11. a second circular hole; 12. a filtering chamber; 13. a third filter screen; 14. a water chamber; 15. a high pressure water pump; 16. and (4) backwashing the pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the temporary earth-filled and dug drainage structure disclosed by the present invention comprises a drainage ditch 1, wherein two side walls of the drainage ditch 1 are obliquely arranged, and the opening of the drainage ditch 1 has a large upper part and a small lower part, so that rainwater can flow into the drainage ditch 1; escape canal 1 top is provided with protection grid board 10, be equipped with the second round hole 11 that supplies the tip of drinking-water pipe 6 to pass on the protection grid board 10, prevent that the staff from stepping into escape canal 1 carelessly when light is darker in, guarantee staff's life safety. The bottom of the drainage ditch 1 is provided with a water collecting well 2 at intervals, the inner walls of the drainage ditch 1 and the water collecting well 2 are provided with a sandstone inverted filter layer 3, and soil is filtered and drained through the sandstone inverted filter layer 3, so that the permeation water is ensured to be drained through the drainage ditch, and the matrix soil is prevented from being drained along with the permeation water; the periphery of the gravel reverse filtering layer 3 is provided with a grouted stone block layer 4, the grouted stone block layer 4 is provided with a water seepage hole 5, the grouted stone block layer 4 has the functions of stability and protection, the gravel of the gravel reverse filtering layer 3 is prevented from falling into the water collecting well 2, and the water seepage hole 5 ensures that underground water can smoothly flow into the water collecting well 2; the inside drinking-water pipe 6 that is equipped with of sump pit 2, 6 bottoms of drinking-water pipe are equipped with strainer 7, the tip that drinking-water pipe 6 spilt sump pit 2 is equipped with suction pump 8, be connected with drain pipe 9 on the suction pump 8. Rainwater flows into the water collecting well 2 at the bottom of the rainwater collecting well through the drainage ditch 1, underground water permeates into the water collecting well 2, the water suction pump 8 is started to pump the underground water or the rainwater in the water collecting well 2 out through the water filter pipe 7 and the water suction pipe 6, and the pumped water is discharged into a rainwater pipeline in a municipal pipe network through the drainage pipe 9. Water is filtered through the strainer 7, and mud and sand in the water collecting well 2 are prevented from entering the water pump 8 to damage the water pump 8.

As shown in fig. 1 and 2, the strainer 7 includes a main tube 71 connected to the water pumping tube 6, the main tube 71 is provided with a plurality of water inlets 72, a first strainer 73 is disposed outside the main tube 71, a second strainer 74 is disposed between the first strainer 73 and the main tube 71, a strainer hole of the second strainer 74 is smaller than a strainer hole of the first strainer 73, and the first strainer 73 and the second strainer 74 perform double filtration on water entering the main tube 71, so as to prevent mud and sand from entering the water pumping tube 6 through the main tube 71 and entering the water pumping tube 8 to damage the water pumping pump 8; a protective net rack 75 is arranged outside the first filter screen 73, and the protective net rack 75 plays a role in protection and prevents sand and stone particles from colliding with the main body pipe 71 to cause damage in the water pumping process; water in the water collecting well 2 enters the main pipe 71 through the water inlet hole 72 and is discharged by the water discharge pipe 9 after passing through the water suction pipe 6 and the water suction pump 8.

As shown in fig. 1, the suction pipe 6 with be provided with the filter chamber 12 between the suction pump 8, the inside vertical third filter screen 13 that is provided with of filter chamber 12, the filtration pore of third filter screen 13 is less than the filtration pore of second filter screen 74 filters the water that gets into suction pump 8 through third filter screen 13 once more, guarantees that the aquatic that gets into in the suction pump 8 does not have the debris that can cause the damage to it. Be close to in the filter chamber 12 suction pump 8 one side orientation third filter screen 13 is provided with backwash pipe 16, the backwash pipe 16 other end is connected with hydroecium 14, the part that backwash pipe 16 is located outside filter chamber 12 is provided with high pressure water pump 15, backwash pipe 16 reduces towards third filter screen 13 diameter gradually, regularly opens high pressure water pump 15 and washes third filter screen 13 through backwash pipe 16, prevents that third filter screen 13 from blockking up the efficiency that influences the interior drainage of sump pit 2.

As shown in fig. 1 and 3, the top of the water collecting well 2 is provided with a fixing plate 21, the fixing plate 21 is provided with a first round hole 22 for the water pumping pipe 6 to pass through, the fixing plate 21 is provided with a plurality of through holes 27, rainwater accumulated in the drainage ditch 1 flows into the water collecting well 2 through the through holes 27, and the fixing plate 21 plays a role in protecting the water collecting well 2 and prevents impurities such as external leaves and debris from entering the water collecting well 2 along with the rainwater. First round hole 22 lateral wall is equipped with a plurality of loop bars 24 along its radius, the inside coaxial guide arm 23 that is provided with of loop bar 24, the tip that first round hole 22 lateral wall was kept away from to guide arm 23 is provided with the arc and supports the piece 25, first round hole 22 lateral wall with the arc is supported and is provided with spring 26 between the piece 25, passes first round hole 22 with drinking-water pipe 6, and drinking-water pipe 6 is located each arc and supports between the piece 25, and spring 26 is in compression state this moment, and under the effect of spring 26 elasticity, the arc supports piece 25 and supports drinking-water pipe 6 tightly.

The implementation principle of the embodiment is as follows: the utility model discloses an earthwork is filled and is dug interim drainage structures when using, groundwater in proper order through the grit inverted filter layer 3 with in the infiltration hole 5 infiltration sump pit 2 on the stone masonry block layer 4, the lateral wall that the rainwater set up through 1 two slopes in escape canal flows in the sump pit 2 of its bottom through-hole 27 on the fixed plate 21. The water pump 8 is started, water in the water collecting well 2 is filtered by the first filter screen 73 and the second filter screen 74 and then enters the main pipe 71 from the water inlet 72, and then is filtered again by the third filter screen 13 in the filtering chamber 12 through the water pumping pipe 6 and then is discharged into a rainwater pipeline in the municipal pipe network from the water discharge pipe 9.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an earthwork is filled and is dug interim drainage structures, includes escape canal (1), escape canal (1) bottom is provided with a sump pit (2) every a section distance, its characterized in that: escape canal (1) and sump pit (2) inner wall are equipped with grit inverted filter (3), grit inverted filter (3) periphery is equipped with stone masonry block layer (4), be equipped with infiltration hole (5) on stone masonry block layer (4), sump pit (2) inside is equipped with drinking-water pipe (6), drinking-water pipe (6) bottom is equipped with strainer (7), the tip that drinking-water pipe (6) spilt sump pit (2) is equipped with suction pump (8), be connected with drain pipe (9) on suction pump (8).

2. The earth-filling and digging temporary drainage structure according to claim 1, characterized in that: strainer (7) include main part pipe (71) be connected with drinking-water pipe (6), be equipped with a plurality of inlet openings (72) on main part pipe (71), main part pipe (71) outside is equipped with first filter screen (73), first filter screen (73) with be equipped with second filter screen (74) between main part pipe (71), the filtration pore of second filter screen (74) is less than the filtration pore of first filter screen (73), first filter screen (73) outside is equipped with protection rack (75).

3. The earth-filling and digging temporary drainage structure according to claim 2, characterized in that: the suction pipe (6) with be provided with filter chamber (12) between suction pump (8), the inside vertical third filter screen (13) that is provided with of filter chamber (12), the filtration pore of third filter screen (13) is less than the filtration pore of second filter screen (74).

4. The earth-filling and digging temporary drainage structure according to claim 3, wherein: be close to in filter chamber (12) suction pump (8) one side orientation third filter screen (13) are provided with backwash pipe (16), backwash pipe (16) other end is connected with hydroecium (14), the part that backwash pipe (16) are located outside filter chamber (12) is provided with high-pressure water pump (15), backwash pipe (16) reduce gradually towards third filter screen (13) diameter.

5. The earth-filling and digging temporary drainage structure according to claim 1, characterized in that: the water collecting well is characterized in that a fixing plate (21) is arranged at the top of the water collecting well (2), a first round hole (22) for the water pumping pipe (6) to pass through is formed in the fixing plate (21), and a plurality of through holes (27) are formed in the fixing plate (21).

6. The earth-filling and digging temporary drainage structure according to claim 5, wherein: the side wall of the first round hole (22) is provided with a plurality of loop bars (24) along the radius of the loop bars, a guide rod (23) is coaxially arranged inside the loop bars (24), an arc-shaped abutting block (25) is arranged at the end part, far away from the side wall of the first round hole (22), of the guide rod (23), and a spring (26) is arranged between the side wall of the first round hole (22) and the arc-shaped abutting block (25).

7. The earth-filling and digging temporary drainage structure according to claim 1, characterized in that: the both sides wall slope of escape canal (1) sets up, the opening of escape canal (1) is big-end-up.

8. The earth-filling and digging temporary drainage structure according to claim 1, characterized in that: the drainage ditch is characterized in that a protective grating plate (10) is arranged above the drainage ditch (1), and a second round hole (11) for allowing the end part of the water pumping pipe (6) to penetrate is formed in the protective grating plate (10).