Dewatering well facilitating water pumping and air pumping

Abstract

The utility model discloses a dewatering well convenient for water pumping and air exhausting, which belongs to the technical field of building foundation pit dewatering, and comprises a dewatering well, an annular steel plate is welded on the upper surface of the dewatering well, an upper cover is arranged at the upper end of the annular steel plate, four through holes which are uniformly distributed are formed in the upper end of the upper cover, and the lower end of the upper cover is provided with a plurality of through holes. A pressure gauge, an exhaust pipe, a water pipe and a cable pipe are installed between the inner walls of the four through holes respectively, and the lower ends of the pressure gauge, the exhaust pipe, the water pipe and the cable pipe all penetrate through the inner walls of the dewatering well. And then the other flange plate is connected with the annular steel plate, so that the cost of materials used by an original sleeve and an original cover plate can be saved, and air and water pumping equipment is further mounted on the flange plate, so that subsequent equipment mounting and dismounting can be more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of building foundation pit dewatering, and more specifically to a dewatering well which is convenient for pumping water and air. Background Art

[0002] Foundation pit dewatering refers to the dewatering work done when the groundwater level is higher than the bottom of the excavation during foundation pit excavation, and the groundwater will continue to seep into the pit to ensure that the foundation pit can be constructed under dry conditions, to prevent slope instability, foundation sand flow, pit bottom uplift, pit bottom pipe gushing and a decrease in foundation bearing capacity.

[0003] The existing methods of foundation pit dewatering mainly include: open ditch plus collection well dewatering, light well point dewatering, jet well point dewatering, electro-osmosis well point dewatering, deep well well point dewatering and so on.

[0004] However, in the current installation steps of the air and water pumping equipment used in precipitation wells, most of them are installed by putting a casing on the outside of the precipitation well wall, and then welding it, and then installing the air and water pumping equipment on the side wall of the casing, and finally using a cover plate to completely close it. During its use, not only a great waste of materials is used, but also the complexity of installation and disassembly is increased. For this reason, this scheme proposes a precipitation well that is easy to pump water and air. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a precipitation well that is convenient for pumping water and air. By eliminating the installation steps of the existing middle casing, the annular steel plate is connected to the top of the precipitation well, and then another flange is used to connect the annular steel plate, thereby saving the material cost used for the original casing and cover plate, and air and water pumping equipment is also installed on the flange, so that the subsequent equipment installation and disassembly can be more convenient.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A precipitation well for convenient water and air pumping comprises a precipitation well, an annular steel plate is welded on the upper surface of the precipitation well, an upper cover is arranged on the upper end of the annular steel plate, four evenly distributed through holes are opened on the upper end of the upper cover, a pressure gauge, an air extraction pipe, a water pipe and a cable pipe are respectively installed between the inner walls of the four through holes, the lower ends of the pressure gauge, the air extraction pipe, the water pipe and the cable pipe all pass through the inner walls of the precipitation well, and a water level observation tube is embedded in the center of the upper end of the upper cover.

[0010] Furthermore, an annular groove is provided at the upper end of the annular steel plate and the lower end of the upper cover, and an annular sealing ring is sleeved between the inner walls of the annular groove.

[0011] Furthermore, a regulating valve is installed at the outer end of the air extraction pipe.

[0012] Furthermore, the edge ends of the annular steel plate and the upper cover are provided with a plurality of evenly distributed mounting holes, studs are inserted between the inner walls of the mounting holes, the studs penetrate the upper and lower sides of the annular steel plate and the upper cover, and nuts are threadedly connected to the upper and lower ends of the studs.

[0013] Furthermore, two symmetrically distributed handles are fixedly connected to the upper end of the upper cover, and anti-slip patterns are provided on the inner walls of the handles.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] During use, the personnel can first weld the annular steel plate to the outer wall of the upper surface of the precipitation well, and then open annular grooves and installation holes on the upper side of the annular steel plate, and install annular sealing rings between the inner walls of the annular grooves. After the installation is completed, the upper cover is placed on the upper surface of the annular steel plate and fits it. Then, the studs are inserted into the installation holes on the upper and lower sides, and the annular steel plate and the upper cover are fixed by nuts. The annular sealing ring can ensure the sealing after the two are connected. Finally, the personnel can install the pressure gauge, exhaust pipe, water pipe, and cable pipe equipment for air and water extraction into the through holes opened on the upper cover. After the overall installation is completed, compared with the existing technology, the raw materials used in the installation of the precipitation well equipment are greatly reduced, and the equipment personnel used for air and water extraction can also be more conveniently disassembled and installed in the future, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the utility model as a whole;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model as a whole.

[0020] Description of the numbers in the figure:

[0021] 1. Drainage well, 2. annular steel plate, 21. annular groove, 22. annular sealing ring, 3. upper cover, 4. pressure gauge, 5. exhaust pipe, 51. regulating valve, 6. water pipe, 7. cable pipe, 8. installation hole, 9. handle, 10. stud, 11. nut, 12. water level observation tube. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0023] Example:

[0024] See also Figure 1-2 A precipitation well for convenient water and air pumping comprises a precipitation well 1, an annular steel plate 2 is welded on the upper surface of the precipitation well 1, an upper cover 3 is arranged on the upper end of the annular steel plate 2, four evenly distributed through holes are opened on the upper end of the upper cover 3, a pressure gauge 4, an air extraction pipe 5, a water pipe 6, and a cable pipe 7 are respectively installed between the inner walls of the four through holes, the lower ends of the pressure gauge 4, the air extraction pipe 5, the water pipe 6, and the cable pipe 7 all penetrate between the inner walls of the precipitation well 1, and a water level observation pipe 12 is embedded in the center of the upper end of the upper cover 3.

[0025] Furthermore, an annular groove 21 is formed at the upper end of the annular steel plate 2 and the lower end of the upper cover 3 , and an annular sealing ring 22 is sleeved between the inner walls of the annular groove 21 .

[0026] Furthermore, a regulating valve 51 is installed at the outer end of the exhaust pipe 5 .

[0027] Furthermore, a plurality of evenly distributed mounting holes 8 are provided at the edge ends of the annular steel plate 2 and the upper cover 3, studs 10 are inserted between the inner walls of the mounting holes 8, and the studs 10 penetrate the upper and lower sides of the annular steel plate 2 and the upper cover 3, and nuts 11 are threadedly connected to the upper and lower ends of the studs 10 respectively.

[0028] In order to avoid the problem that in the prior art, most of the time, the casing is sleeved on the outer wall of the precipitation well 1, and then welding is performed, and then a cover plate is added to close the whole, and the overall installation process greatly increases the material cost used, and when the equipment is installed on the side wall of the casing, it is not convenient to disassemble and install the equipment in the later stage, in this embodiment, by eliminating the installation steps of the existing middle casing, the annular steel plate 2 is first connected to the upper part of the precipitation well 1, and then another flange is used to connect the annular steel plate 2, thereby saving the material cost used for the original casing and the cover plate, and an air extraction and water pumping equipment is also installed on the flange, so that the subsequent equipment installation and disassembly can be more convenient;

[0029] During use, the personnel can first weld the annular steel plate 2 to the outer wall of the upper surface of the precipitation well 1, and then open annular grooves 21 and mounting holes 8 on the upper side of the annular steel plate 2, and install annular sealing rings 22 between the inner walls of the annular grooves 21. After the installation is completed, the upper cover 3 is placed on the upper surface of the annular steel plate 2 and fits it. Then, the studs 10 are inserted into the mounting holes 8 on the upper and lower sides, and the annular steel plate 2 and the upper cover 3 are fixed by nuts 11. The annular sealing ring 22 can ensure the sealing after the two are connected. Finally, the personnel can install the pressure gauge 4, exhaust pipe 5, water pipe 6, and cable pipe 7 for air and water extraction into the through holes opened on the upper side of the upper cover 3 respectively. After the overall installation is completed, compared with the prior art, the raw materials used in the installation of the precipitation well 1 equipment are greatly reduced, and the equipment personnel for air and water extraction can also be more conveniently disassembled and installed in the future, thereby improving work efficiency.

[0030] Furthermore, two symmetrically distributed handles 9 are fixedly connected to the upper end of the upper cover 3 , and anti-slip patterns are provided on the inner walls of the handles 9 .

[0031] During use, the present invention has two handles 9 fixedly connected above the upper cover 3, which makes it easier for personnel to pick up the annular steel plate 2 and the upper cover 3 after they are separated, and the anti-slip texture makes it less likely for personnel to drop the handles.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precipitation well for pumping water and gas, comprising a precipitation well (1), characterized in that: An annular steel plate (2) is welded to the upper surface of the precipitation well (1), and an upper cover (3) is provided at the upper end of the annular steel plate (2). Four evenly distributed through holes are opened at the upper end of the upper cover (3), and a pressure gauge (4), an air extraction pipe (5), a water pipe (6), and a cable pipe (7) are respectively installed between the inner walls of the four through holes. The lower ends of the pressure gauge (4), the air extraction pipe (5), the water pipe (6), and the cable pipe (7) all penetrate into the precipitation well (1), and a water level observation pipe (12) is embedded at the center of the upper end of the upper cover (3).

2. A precipitation well for pumping water and air according to claim 1, characterized in that: An annular groove (21) is provided at the upper end of the annular steel plate (2) and the lower end of the upper cover (3), and an annular sealing ring (22) is sleeved between the inner walls of the annular groove (21).

3. A precipitation well for pumping water and air according to claim 1, characterized in that: A regulating valve (51) is installed at the outer end of the air extraction pipe (5).

4. A precipitation well for pumping water and air according to claim 1, characterized in that: The edge ends of the annular steel plate (2) and the upper cover (3) are provided with a plurality of evenly distributed placement holes (8), and studs (10) are inserted between the inner walls of the placement holes (8). The studs (10) penetrate the upper and lower sides of the annular steel plate (2) and the upper cover (3), and the upper and lower ends of the studs (10) are respectively threadedly connected with nuts (11).

5. A precipitation well for pumping water and air according to claim 1, characterized in that: Two symmetrically distributed handles (9) are fixedly connected to the upper end of the upper cover (3), and anti-slip patterns are provided on the inner walls of the handles (9).

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