CN210797603U - Pumping well shaft - Google Patents
Pumping well shaft Download PDFInfo
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- CN210797603U CN210797603U CN201921587967.9U CN201921587967U CN210797603U CN 210797603 U CN210797603 U CN 210797603U CN 201921587967 U CN201921587967 U CN 201921587967U CN 210797603 U CN210797603 U CN 210797603U
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Abstract
The utility model provides a well bore draws water relates to engineering construction equipment technical field. The pumped well bore includes: the bottom of the inner cylinder and the bottom of the outer cylinder are both closed, the inner cylinder penetrates through the outer cylinder and is connected with the outer cylinder, and a preset distance is reserved between the cylinder wall of the inner cylinder and the cylinder wall of the outer cylinder to form an accommodating space; a filter material filled in the accommodation space; the inner barrel comprises an outer barrel and an inner barrel, wherein a plurality of first through holes are formed in the barrel wall of the outer barrel at intervals, and a plurality of second through holes are formed in the barrel wall of the inner barrel at intervals. The pumping shaft, its inner tube and urceolus link together and form an organic whole structure, no matter it sets up pumping shaft to dig the well hole in advance, still directly with pumping shaft press in the soil body form pumping shaft, it is all very convenient, and after precipitation operation is accomplished, pumping shaft can take out and carry out the secondary after washing and use, and then has saved the cost of construction operation.
Description
Technical Field
The utility model relates to an engineering construction technical field especially relates to a pit shaft draws water.
Background
In engineering construction, the method is mainly used for preventing water of a foundation pit, namely, for underground shallow precipitation in a 'tube well point' precipitation mode.
Wherein, the general technological conditions of the tube well point are as follows: firstly digging a pit with a certain depth at the position of a precipitation point, then arranging a sand-free concrete pipe or a steel flower pipe below the pit, then backfilling broken stones around the well pipe for re-filtering, and finally arranging a water pump below the well pipe for pumping and draining; in the other situation, because mucky soil is difficult to excavate and form, a sand-free concrete pipe or a steel perforated pipe is directly pressed into the mucky soil by applying external pressure, then crushed stones are extruded around the pipe, and finally a water pump is arranged below and in the pipe for pumping and discharging.
The pumping and drainage method has certain defects, a plurality of well pipes are permanently buried underground or excavated and taken out by adopting an excavator after the project is finished, the burying method delays time and influences the progress, and on the other hand, after the project is finished, part of the well pipes are damaged by excavation or are permanently buried underground, so that resources cannot be recycled and waste is caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a well bore draws water, for solving above-mentioned problem, the utility model mainly provides a following technical scheme:
the embodiment of the utility model provides a pumping shaft, include:
the bottom of the inner cylinder and the bottom of the outer cylinder are both closed, the inner cylinder penetrates through the outer cylinder and is connected with the outer cylinder, and a preset distance is reserved between the cylinder wall of the inner cylinder and the cylinder wall of the outer cylinder to form an accommodating space;
a filter material filled in the accommodation space;
the inner barrel comprises an outer barrel and an inner barrel, wherein a plurality of first through holes are formed in the barrel wall of the outer barrel at intervals, and a plurality of second through holes are formed in the barrel wall of the inner barrel at intervals.
Specifically, the bottom of the outer cylinder is conical or truncated cone-shaped, and the bottom of the inner cylinder is conical or truncated cone-shaped.
Specifically, the first through holes are uniformly arranged on the cylinder wall of the outer cylinder at intervals, and the second through holes are uniformly arranged on the cylinder wall of the inner cylinder at intervals;
and the pitch of the two adjacent first through holes is smaller than that of the two adjacent second through holes.
Specifically, the aperture of the first through hole is equal to that of the second through hole, and the apertures are all smaller than 4 cm;
the filtering material is gravel, the maximum particle size of the gravel is smaller than 4cm, and the minimum particle size of the gravel is larger than the aperture of the first through hole and larger than the aperture of the second through hole.
Specifically, the embodiment of the utility model provides a pumping shaft still includes:
the inner net barrel is attached to the outer wall of the inner barrel, and the outer net barrel is attached to the inner wall of the outer net barrel;
the filtering material is sand, the particle size of the sand is smaller than the mesh aperture of the inner mesh cylinder, and the particle size of the sand is smaller than the mesh aperture of the outer mesh cylinder.
Specifically, the embodiment of the utility model provides a pumping shaft still includes: the connecting rib is arranged in the accommodating space and connected with the outer wall of the inner barrel and the inner wall of the outer barrel.
Specifically, the embodiment of the utility model provides a pumping shaft still includes: the number of the connecting ribs is multiple, and the connecting ribs are uniformly arranged at intervals along the length direction of the accommodating space;
the connecting ribs are annular plate bodies, inner rings of the annular plate bodies are connected with the outer wall of the inner barrel, and outer rings of the annular plate bodies are connected with the inner wall of the outer barrel.
Specifically, the embodiment of the utility model provides a pumping shaft still includes: the cover plate is annular and is connected with the edge of the top wall of the inner cylinder and the edge of the top of the outer cylinder respectively, and the containing space is sealed and covered.
Specifically, the embodiment of the utility model provides a pumping shaft still includes: and the hoisting part is connected with the top edge of the inner cylinder, or the hoisting part is connected with the top edge of the outer cylinder.
Specifically, the embodiment of the utility model provides a pumping shaft still includes: the number of the guide rib plates is three, and the three guide rib plates are uniformly arranged on the outer surface of the bottom end of the outer barrel in a surrounding mode at intervals;
and each guide rib plate is arranged along the length direction of the outer cylinder.
Borrow by above-mentioned technical scheme, the embodiment of the utility model provides a well bore that draws water has following advantage at least:
the embodiment of the utility model provides a pair of pumping shaft, it is through setting up filtering material between inner tube and urceolus, and forms the pit shaft that can be used for tube well point, can filter pumping shaft shallow layer water all around to pumping shaft's inner tube with the well point department in, through water pump discharge, and then realize the precipitation to the secret shallow layer. Additionally, the embodiment of the utility model provides a pumping shaft, its inner tube and urceolus link together and form a whole structure, and inner tube and urceolus all can adopt metal material to make, for example adopt steel to make, no matter like this advance dig well hole set up pumping shaft, still directly impress pumping shaft into the soil body and form pumping shaft, and it is all very convenient, and after precipitation operation is accomplished, pumping shaft can take out and carry out the secondary after through wasing and use, and then saved the cost of construction operation.
Drawings
Fig. 1 is a schematic structural view of a pumping shaft according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another pumping shaft according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a pumped well shaft 10, which includes: the inner cylinder 2 penetrates through the outer cylinder 1 and is connected with the outer cylinder 1, and a preset distance is reserved between the cylinder wall of the inner cylinder 2 and the cylinder wall of the outer cylinder 1 to form an accommodating space; a filter material 3, the filter material 3 being filled in the accommodation space; the wall of the outer cylinder 1 is provided with a plurality of first through holes 11 at intervals, and the wall of the inner cylinder 2 is provided with a plurality of second through holes 21 at intervals.
Specifically, the outer cylinder 1 may be made of a metal material, for example, a metal plate rolled up, so that the metal plate has certain strength, the metal plate may be a steel plate, the thickness of the metal plate may be selected to be 2-6mm, the cross-sectional shape of the outer cylinder 1 may be rectangular or circular, preferably circular, when the outer cylinder 1 is circular, the diameter of the outer cylinder 1 may be 800-. The first through hole 11 on the wall of the outer cylinder 1 can be formed by punching or welding with a welding rod, and the diameter of the first through hole 11 can be equal to the diameter of the welding rod.
The material of the inner cylinder 2 can be the same as that of the outer cylinder 1, the shape of the inner cylinder 2 can also be the same as that of the outer cylinder 1, and the inner cylinder 2 can also be made of steel, when the inner cylinder 2 is matched with the outer cylinder 1 and is also set to be cylindrical, a steel plate with the thickness of 6-8mm can be adopted for rolling and forming, and the diameter of the steel plate can be 300 plus 500, so that the distance between the inner cylinder 2 and the outer cylinder 1 can be kept at 300 plus 400mm, and the thickness of a filter layer arranged between the inner cylinder 2 and the outer cylinder 1 is ensured. The second through hole 21 on the wall of the inner cylinder 2 can be formed by punching or welding with a welding rod, and the diameter of the second through hole 21 can be equal to the diameter of the welding rod.
The filtering material 3 can be sand and stone and other materials capable of blocking larger particle impurities, materials for filtering domestic water or drinking water are not required to be arranged, the filtering material can be used as long as the water entering the middle part of the inner barrel 2 can be normally pumped away by a water pump through the outer barrel 1, the filtering material 3 and the inner barrel 2 can be guaranteed, and filtering substances of coarse fibers can be added into the filtering material 3. It should be noted that the filter material 3 is required to fill the accommodating space formed by the inner cylinder 2 and the outer cylinder 1.
When using the utility model discloses the pumping shaft 10 that the embodiment provided, can select construction method according to the condition of local soil property: firstly, when the soil is hard, an excavator is adopted to firstly dig a pit with the depth consistent with that of the pumping shaft 10, then the pumping shaft 10 is hoisted into the pit, the soil is backfilled around to bury the pumping shaft 10, and finally a water pump is arranged below the pumping shaft 10 for pumping and draining water. Secondly, when the soil is mucky soil, the pumping shaft 10 is directly pressed into the soil body by an excavator under the upper pressure, and then a water pump is arranged below the pumping shaft 10 for pumping and draining water. And finally, taking the pumping shaft 10 out of the soil body through a crane or an excavator after completion, and flushing the periphery of the pumping shaft 10 by adopting high-pressure clear water so as to be repeatedly used next time.
The embodiment of the utility model provides a pair of well bore 10 draws water, it is through setting up filtering material 3 between inner tube 2 and urceolus 1, and forms the pit shaft that can be used for tube well point, can filter well bore 10 shallow water all around of well point department to the inner tube 2 of well bore 10 in, discharge through the water pump, and then realize the precipitation to the secret shallow layer. Additionally, the embodiment of the utility model provides a pumping shaft 10, its inner tube 2 and urceolus 1 link together and form a whole structure, inner tube 2 and urceolus 1 all can adopt metal material to make, for example adopt steel to make, no matter like this dig the well hole in advance and set up pumping shaft 10, still directly with pumping shaft 10 impress in the soil body and form the pumping shaft, it is all very convenient, and after precipitation operation is accomplished, pumping shaft 10 can take out and carry out the secondary after wasing, and then saved the cost of construction operation.
In the specific implementation, as shown in fig. 1, the bottom of the outer cylinder 1 is tapered or truncated cone-shaped, and the bottom of the inner cylinder 2 is adapted to be tapered or truncated cone-shaped.
Specifically, since the bottoms of the outer cylinder 1 and the inner cylinder 2 need to be set in a closed state to ensure that soil does not enter the inner cylinder 2, and meanwhile, in order to enable the pumping shaft 10 to smoothly extend into a pit or press into soil, it is preferable to set the bottom of the outer cylinder 1 in a tapered shape, such as a conical shape, or in a truncated cone shape, and adaptively set the bottom of the inner cylinder 2 in a tapered shape or a truncated cone shape, so that the bottom of the outer cylinder 1 in a tapered or truncated cone shape structure can play a certain guiding role.
As shown in fig. 1, in the specific implementation, a plurality of the first through holes 11 are uniformly spaced on the wall of the outer cylinder 1, and a plurality of the second through holes 21 are uniformly spaced on the wall of the inner cylinder 2; wherein, the pitch of two adjacent first through holes 11 is smaller than the pitch of two adjacent second through holes 21.
Specifically, shallow water needs to enter the accommodating space through the first through holes 11 and then enter the inner barrel 2 through the second through holes 21, so in order to ensure smooth filtering, it is preferable to set the number of the first through holes 11 to be greater than the number of the second through holes 21, that is, to set the pitch between two adjacent first through holes 11 to be smaller than the pitch between two adjacent second through holes 21.
As shown in fig. 1, in the specific implementation, the aperture of the first through hole 11 is equal to the aperture of the second through hole 21, and the aperture is smaller than 4 cm; the filtering material 3 is crushed stone, the maximum particle size of the crushed stone is smaller than 4cm, and the minimum particle size of the crushed stone is larger than the aperture of the first through hole 11 and larger than the aperture of the second through hole 21.
Specifically, because the engineering operation needs to consider the production cost and the supply of raw materials, and the rubble has the characteristics of wide source and low cost, the rubble is selected as the filtering material 3, so that the cost is effectively reduced while the soil impurities are filtered. Wherein, the aperture of first through-hole 11 and second through-hole 21 can not set up too big, avoids the too much entering accommodation space of earth to cause the jam, and the rubble needs to have the filter effect simultaneously, can not spill from accommodation space again, so the particle diameter of rubble needs to be greater than the aperture of first through-hole 11, is less than 4cm simultaneously.
In specific implementation, the embodiment of the present invention provides a pumping shaft 10, further including: an inner net cylinder (not shown in the figure) and an outer net cylinder (not shown in the figure), wherein the inner net cylinder is attached to the outer wall of the inner cylinder 2, and the outer net cylinder is attached to the inner wall of the outer net cylinder; the filtering material 3 is sand, the particle size of the sand is smaller than the mesh aperture of the inner mesh cylinder, and the particle size of the sand is smaller than the mesh aperture of the outer mesh cylinder.
Specifically, interior net section of thick bamboo and outer net section of thick bamboo all are preferably made the steel mesh, and the too much entering accommodation space of earth of avoiding that can be further through the setting of steel mesh can use more to add fine filtering material 3 for example the grit filters simultaneously to be applicable to the tiny soil property operation of impurity such as silt.
As shown in fig. 1, in the specific implementation, the pumping shaft 10 provided in the embodiment of the present invention further includes: and the connecting ribs 4 are arranged in the accommodating spaces and are connected with the outer wall of the inner barrel 2 and the inner wall of the outer barrel 1.
Specifically, the outer cylinder 1 and the inner cylinder 2 need to be fixedly connected to ensure that the two have a spaced distance, and the connection between the two needs to have certain strength to ensure the use of engineering operation, so the connecting rib 4 is preferably arranged between the two to connect the two.
Furthermore, the number of the connecting ribs 4 is multiple, and the connecting ribs 4 are uniformly arranged at intervals along the length direction of the accommodating space; the connecting ribs 4 are annular plate bodies, inner rings of the annular plate bodies are connected with the outer wall of the inner barrel 2, and outer rings of the annular plate bodies are connected with the inner wall of the outer barrel 1.
Concrete, through setting up splice bar 4 the structure that forms the annular plate body, then a plurality of splice bars 4 can be cut apart into a plurality of spaces with accommodation space, can also make the connection atress between inner tube 2 and the urceolus 1 even simultaneously, the intensity after the two is connected of effectual improvement. Further, the connecting ribs 4 may be provided in a bar shape so that the entirety of the accommodating space is communicated.
As shown in fig. 1, in the specific implementation, the pumping shaft 10 provided in the embodiment of the present invention further includes: and the cover plate 5 is annular, and the cover plate 5 is respectively connected with the top wall edge of the inner cylinder 2 and the top edge of the outer cylinder 1 to seal the accommodating space.
Specifically, the cover plate 5 is arranged to enable the accommodating space formed by the inner cylinder 2 and the outer cylinder 1 to be a closed space, so that the filtering material 3 filled in the accommodating space cannot leak out, and the use of engineering operation is facilitated. In addition, it is an optional technical solution to not provide the cover plate 5, and when the cover plate 5 is not provided and the accommodating space is in a communicated state, the filter material 3 can be poured out and replaced through the top opening of the inner cylinder 2 and the outer cylinder 1.
As shown in fig. 1, in the specific implementation, the pumping shaft 10 provided in the embodiment of the present invention further includes: and the hoisting part 6 is connected with the top edge of the inner cylinder 2, or the hoisting part 6 is connected with the top edge of the outer cylinder 1.
Specifically, the hoisting part 6 is arranged to facilitate hoisting the pumping shaft 10 by a crane, so the hoisting part 6 can be arranged in a hoisting ring structure.
As shown in fig. 2, in the specific implementation, the pumping shaft 10 according to the embodiment of the present invention further includes: the number of the guide rib plates 7 is three, and the three guide rib plates 7 are uniformly arranged on the outer surface of the bottom end of the outer barrel 1 at intervals in a ring mode; wherein, each guide rib plate 7 is arranged along the length direction of the outer cylinder 1.
Specifically, the guide rib plate 7 can further play a role in guiding, so that the pumping shaft 10 can be conveniently inserted into a well pit, and can be conveniently pressed into soil through pressure.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A pumped well, comprising:
the bottom of the inner cylinder and the bottom of the outer cylinder are both closed, the inner cylinder penetrates through the outer cylinder and is connected with the outer cylinder, and a preset distance is reserved between the cylinder wall of the inner cylinder and the cylinder wall of the outer cylinder to form an accommodating space;
a filter material filled in the accommodation space;
the inner barrel comprises an outer barrel and an inner barrel, wherein a plurality of first through holes are formed in the barrel wall of the outer barrel at intervals, and a plurality of second through holes are formed in the barrel wall of the inner barrel at intervals.
2. The pumped wellbore of claim 1,
the bottom of the outer cylinder is conical or truncated cone-shaped, and the bottom of the inner cylinder is conical or truncated cone-shaped in a matching mode.
3. The pumped wellbore of claim 1,
the first through holes are uniformly arranged on the cylinder wall of the outer cylinder at intervals, and the second through holes are uniformly arranged on the cylinder wall of the inner cylinder at intervals;
and the pitch of the two adjacent first through holes is smaller than that of the two adjacent second through holes.
4. The pumped wellbore of claim 1,
the aperture of the first through hole is equal to that of the second through hole, and the apertures are all smaller than 4 cm;
the filtering material is gravel, the maximum particle size of the gravel is smaller than 4cm, and the minimum particle size of the gravel is larger than the aperture of the first through hole and larger than the aperture of the second through hole.
5. The pumped wellbore of claim 1, further comprising:
the inner net barrel is attached to the outer wall of the inner barrel, and the outer net barrel is attached to the inner wall of the outer net barrel;
the filtering material is sand, the particle size of the sand is smaller than the mesh aperture of the inner mesh cylinder, and the particle size of the sand is smaller than the mesh aperture of the outer mesh cylinder.
6. The pumped wellbore of claim 1, further comprising:
the connecting rib is arranged in the accommodating space and connected with the outer wall of the inner barrel and the inner wall of the outer barrel.
7. The pumped wellbore of claim 6,
the number of the connecting ribs is multiple, and the connecting ribs are uniformly arranged at intervals along the length direction of the accommodating space;
the connecting ribs are annular plate bodies, inner rings of the annular plate bodies are connected with the outer wall of the inner barrel, and outer rings of the annular plate bodies are connected with the inner wall of the outer barrel.
8. The pumped wellbore of claim 1, further comprising:
the cover plate is annular and is connected with the edge of the top wall of the inner cylinder and the edge of the top of the outer cylinder respectively, and the containing space is sealed and covered.
9. The pumped wellbore of claim 1, further comprising:
and the hoisting part is connected with the top edge of the inner cylinder, or the hoisting part is connected with the top edge of the outer cylinder.
10. The pumped wellbore of claim 1, further comprising:
the number of the guide rib plates is three, and the three guide rib plates are uniformly arranged on the outer surface of the bottom end of the outer barrel in a surrounding mode at intervals;
and each guide rib plate is arranged along the length direction of the outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921587967.9U CN210797603U (en) | 2019-09-24 | 2019-09-24 | Pumping well shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921587967.9U CN210797603U (en) | 2019-09-24 | 2019-09-24 | Pumping well shaft |
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| Publication Number | Publication Date |
|---|---|
| CN210797603U true CN210797603U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921587967.9U Active CN210797603U (en) | 2019-09-24 | 2019-09-24 | Pumping well shaft |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945758A (en) * | 2020-08-27 | 2020-11-17 | 河南科技大学 | Reusable dewatering tank, foundation pit operation surface dewatering system and method |
| CN111980041A (en) * | 2020-08-27 | 2020-11-24 | 河南科技大学 | Precipitation tank and foundation pit operation surface precipitation system |
-
2019
- 2019-09-24 CN CN201921587967.9U patent/CN210797603U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945758A (en) * | 2020-08-27 | 2020-11-17 | 河南科技大学 | Reusable dewatering tank, foundation pit operation surface dewatering system and method |
| CN111980041A (en) * | 2020-08-27 | 2020-11-24 | 河南科技大学 | Precipitation tank and foundation pit operation surface precipitation system |
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