Row light well point dewatering device

Abstract

The utility model discloses a row light well point dewatering device which comprises a plurality of water pumping pipes arranged side by side, water outlets of the water pumping pipes are communicated with the same header pipe, water inlets of the water pumping pipes are inserted into a water-bearing layer of a base, and a filter pipe is installed at the water inlet of any water pumping pipe. A water inlet of the water pump communicates with the header pipe through a water collecting device, and the water pump is used for pumping underground water in the water-bearing layer into the water collecting device through the multiple water pumping pipes; the fixing device is used for fixing and supporting the main pipe, the top of the fixing device is connected with the main pipe, and the bottom of the fixing device is inserted into the stratum. The main pipe is supported and fixed in the mode that the fixing device is inserted into the stratum, and compared with a traditional mode that the main pipe is fixed by digging a groove, operation is easy, and fixing efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of foundation pit dewatering, and more specifically, to a linked light well point dewatering device. Background Art

[0002] Light wellpoints are a method for artificially lowering the groundwater level. They involve sinking a narrow-diameter well pipe into the aquifer along one or both sides of a foundation pit. The top of the well pipe is connected to a main pipe, through which pumping equipment continuously extracts groundwater, lowering the existing groundwater level below the foundation. Using light wellpoints to lower groundwater requires excavating a trench in which to bury the main pipe, securing it. However, this trenching method is cumbersome and inefficient, and the trench provides poor stability and support for the main pipe. Summary of the Invention

[0003] Another object of the present invention is to provide a row of light well point dewatering devices that has high construction efficiency and is convenient for fixing the position of the main pipe.

[0004] In order to achieve these purposes and other advantages according to the utility model, a row of lightweight well point dewatering devices is provided, comprising:

[0005] A plurality of water pumping pipes are arranged side by side, the water outlets of the plurality of water pumping pipes are connected to the same main pipe, the water inlets of the plurality of water pumping pipes are inserted into the aquifer of the base, and a filter tube is installed at the water inlet of any water pumping pipe;

[0006] a water pump, the water inlet of which is connected to the main pipe through a water collection device, and the water pump is used to pump groundwater in the aquifer into the water collection device through the plurality of pumping pipes;

[0007] A fixing device is used to fix and support the main pipe, wherein the top of the fixing device is connected to the main pipe and the bottom is inserted into the stratum.

[0008] Preferably, the water collecting device includes a water collecting bucket, a connecting pipe, a fixed pipe and a water outlet pipe. The water collecting bucket is connected to the water pump and the main pipe through the connecting pipe and the fixed pipe respectively, and the water collecting bucket is connected to the water outlet pipe.

[0009] Preferably, the fixing device includes a plurality of bases, which are arranged at intervals along the length direction of the main pipe, and two adjacent bases are connected into a whole by a connecting rod. The bases located at both ends of the main pipe are fixed with clamps, and the clamps are used to fix the main pipe. The remaining bases are fixed with arc plates, and the arc plates are in contact with the bottom of the main pipe. The bottom of any base is provided with a conical plug rod for inserting into the formation.

[0010] Preferably, an adjusting rod is fixedly provided at the bottom of any base, a sleeve is movably provided at the lower part of the adjusting rod, a positioning hole is opened on the sleeve, an adjusting bolt is provided on the positioning hole, the end of the adjusting bolt close to the adjusting rod abuts against the side wall of the adjusting rod, a chassis is fixedly provided at the bottom of the sleeve, and the conical insert rod is installed at the bottom of the chassis.

[0011] Preferably, a box body is fixedly provided at the bottom of the chassis, the tapered plug rod is fixedly provided at the bottom of the box body, the box body is a rectangular frame structure, two ends of the box body are rotatably provided with bidirectional screws, one end of the bidirectional screw extends out of the box body and is fixedly connected to a knob, two threaded plates are provided at intervals on the bidirectional screw, a slider is fixedly provided on the upper part of any threaded plate, a slide rail is provided on the inner side wall of the box body, and the slider is slidably provided on the slide rail;

[0012] The interior of the conical insert rod is hollow, and a plurality of through holes are provided on the two opposite outer side walls of the conical insert rod. The lower part of the threaded plate extends into the conical insert rod, and a plurality of reinforcing rods are fixed on the side wall of the lower part of any threaded plate. The plurality of reinforcing rods are adapted to the adjacent plurality of through holes, and any reinforcing rod is a conical structure.

[0013] Preferably, a backing plate is installed at the bottom of the water collecting bucket.

[0014] The utility model has at least the following beneficial effects:

[0015] 1. The utility model supports and fixes the main pipe by inserting the fixing device into the stratum. Compared with the traditional method of fixing the main pipe by digging a trench, the operation is simple and the construction efficiency is high;

[0016] 2. When the fixing device of the present invention is in use, the connection with the stratum is achieved by inserting the rod into the stratum, and the installation and fixation of the main pipe is achieved by the clamp. The operation is simple, and a reinforcing rod is also provided on the rod. The reinforcing rod can further improve the stability of the connection between the rod and the stratum, thereby further ensuring the stability of the installation position of the main pipe.

[0017] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a row of light-weight well point dewatering devices according to one embodiment of the present utility model;

[0019] Figure 2 is a schematic structural diagram of the fixing device described in the above embodiment;

[0020] Figure 3 Schematic diagram of the structure of the adjusting rod and the sleeve in the above embodiment;

[0021] Figure 4 Schematic diagram of the structure of the box body in the above embodiment;

[0022] Description of the accompanying drawings:

[0023] 1. Water pump, 2. Connecting pipe, 3. Filter pipe, 4. Suction pipe, 5. Main pipe, 6. Pad, 7. Water collecting bucket, 8. Outlet pipe, 9. Fixed pipe, 10. Base, 11. Sleeve, 12. Adjusting rod, 13. Clamp, 14. Arc plate, 15. Positioning hole, 16. Connecting rod, 17. Chassis, 18. Box body, 19. Insert rod, 20. Adjusting bolt, 21. Reinforcement rod, 22. Bidirectional screw, 23. Threaded plate, 24. Knob, 25. Slider, 26. Through hole. DETAILED DESCRIPTION

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0025] It should be noted that, in the description of the present invention, the terms "horizontal", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] like Figure 1-4 As shown, the utility model provides a row of light well point dewatering devices, including:

[0027] A plurality of water pumping pipes 4 are arranged side by side, the water outlets of the plurality of water pumping pipes 4 are connected to the same main pipe 5, the water inlets of the plurality of water pumping pipes 4 are inserted into the aquifer of the base, and a filter tube 3 is installed at the water inlet of any water pumping pipe 4;

[0028] A water pump 1, whose water inlet is connected to the main pipe 5 through a water collection device, and the water pump 1 is used to pump groundwater in the aquifer into the water collection device through the plurality of pumping pipes 4;

[0029] A fixing device is used to fix and support the main pipe 5, wherein the top of the fixing device is connected to the main pipe 5 and the bottom is inserted into the stratum.

[0030] In the above technical solution, if Figure 1As shown, the row of light well point dewatering devices consists of a pumping pipe 4, a water pump 1, a main pipe 5, a water collecting device and a fixing device. A plurality of pumping pipes 4 are arranged at the same interval along the length or width direction of the foundation pit and vertically inserted into the aquifer at the base. A plurality of pumping pipes 4 are connected to the same main pipe 5, and the main pipe 5 is fixed by inserting the fixing device into the stratum. The water pump 1 is connected to the main pipe 5 through the water collecting device. When lowering the groundwater level, the water pump 1 is started, and the groundwater will be pumped into the water collecting device through the plurality of pumping pipes 4 and the main pipe 5, thereby To complete the precipitation treatment of groundwater in the foundation pit, the connection between the pumping pipe 4 and the main pipe 5 is a sealed connection to prevent water leakage and sand flow during the precipitation operation; a filter pipe 3 is installed at the water inlet of the pumping pipe 4, and the filter pipe 3 is used to prevent soil, small stone particles, etc. in the groundwater from entering the pumping pipe 4 and blocking the pumping pipe 4 during the precipitation process; the utility model supports and fixes the main pipe 5 by inserting a fixing device into the stratum. Compared with the traditional method of fixing the main pipe 5 by excavating a trench, the utility model is simple to operate and has high installation efficiency.

[0031] In another technical solution, the water collecting device includes a water collecting bucket 7, a connecting pipe 2, a fixed pipe 9 and a water outlet pipe 8. The water collecting bucket 7 is connected to the water pump 1 and the main pipe 5 through the connecting pipe 2 and the fixed pipe 9 respectively, and the water collecting bucket 7 is connected to the water outlet pipe 8.

[0032] In this technical solution, if Figure 1 As shown, when the groundwater level is lowered, the water pump 1 is started, and the groundwater is filtered through the filter pipe 3 and enters the pumping pipe 4. The pumping pipe 4 guides the water into the main pipe 5, and the main pipe 5 guides the water into the fixed pipe 9. The water is then guided into the outlet pipe 8 through the water collecting bucket 7 fixedly connected to the fixed pipe 9, and is then led out from the outlet pipe 8. The outlet pipe 8 can be connected to the groundwater source or the municipal sewer network, thereby realizing the recycling of groundwater.

[0033] In another technical solution, the fixing device includes a plurality of bases 10, which are arranged at intervals along the length direction of the main pipe 5. Two adjacent bases 10 are connected into a whole by a connecting rod 16. A clamp 13 is fixed on the bases 10 at both ends of the main pipe 5. The clamp 13 is used to fix the main pipe 5. The remaining bases 10 are fixed with an arc plate 14, which is in contact with the bottom of the main pipe 5. A conical plug rod 19 for inserting into the formation is provided at the bottom of any base 10.

[0034] In this technical solution, if Figure 2As shown, the fixing device includes a plurality of bases 10 connected into a whole by connecting rods 16, and a clamp 13 is provided on the bases 10 at both ends, and an arc plate 14 for supporting the main pipe 5 is provided on the other bases 10. A conical plug rod 19 is provided at the bottom of any base 10. The process of fixing and supporting the main pipe 5 by the fixing device is as follows: when performing precipitation operations, first, according to the installation point of the main pipe 5, a plurality of plug rods 19 are inserted into the stratum to fix the position of the fixing device, and then the main pipe 5 is installed on the base 10 using the clamp 13. The installation and fixation of the main pipe 5 is achieved by the clamp 13 and the arc plate 14, and the operation is simple.

[0035] In another technical solution, an adjusting rod 12 is fixedly provided at the bottom of any base 10, and a sleeve 11 is movably provided at the lower part of the adjusting rod 12. A positioning hole 15 is opened on the sleeve 11, and an adjusting bolt 20 is provided on the positioning hole 15. The end of the adjusting bolt 20 close to the adjusting rod 12 abuts against the side wall of the adjusting rod 12. A chassis 17 is fixedly provided at the bottom of the sleeve 11, and the conical insert rod 19 is installed at the bottom of the chassis 17.

[0036] In this technical solution, during the dewatering of the foundation pit, the main pipe 5 and the fixing device may slightly sink and shift with the soil layer, but the main pipe 5 is connected to the water collecting bucket 7 through the fixing pipe 9, and the positions of the water collecting bucket 7 and the fixing pipe 9 are fixed. If the main pipe 5 sinks and shifts, it will affect the structural stability of the device. Therefore, if Figure 2 、 Figure 3 As shown, the utility model provides an movably connected adjusting rod 12 and a sleeve 11 between the base 10 and the insertion rod 19. By adjusting the position of the adjusting rod 12 in the sleeve 11, the height position of the base 10 fixedly connected to the adjusting rod 12 is adaptively adjusted, thereby adjusting the main pipe 5 to the initial installation height to ensure the stability of the device structure during the entire precipitation process. After adjusting the main pipe 5 to the initial installation height, screw the adjusting bolt 20 until the adjusting bolt 20 abuts against the adjusting rod 12 to fix the position of the adjusting rod 12.

[0037] In another technical solution, a box body 18 is fixedly provided at the bottom of the chassis 17, and the tapered insert rod 19 is fixedly provided at the bottom of the box body 18. The box body 18 is a rectangular frame structure, and two bidirectional screws 22 are rotatably provided at both ends of the box body 18. One end of the bidirectional screw 22 extends out of the outside of the box body 18 and is fixedly connected to a knob 24. Two threaded plates 23 are provided at intervals on the bidirectional screw 22, and a slider 25 is fixedly provided on the upper part of any threaded plate 23. The inner side wall of the box body 18 is provided with a slide rail, and the slider 25 is slidably provided on the slide rail;

[0038] The interior of the conical insert rod 19 is hollow, and a plurality of through holes 26 are provided on the two opposite outer side walls of the conical insert rod 19. The lower part of the threaded plate 23 extends into the conical insert rod 19. A plurality of reinforcing rods 21 are fixed on the side wall of the lower part of any threaded plate 23. The plurality of reinforcing rods 21 are adapted to the adjacent plurality of through holes 26, and any reinforcing rod 21 is a conical structure.

[0039] In this technical solution, if Figure 3 、 Figure 4 As shown, a box body 18 is fixedly connected between the chassis 17 and the insertion rod 19. The box body 18 is a rectangular frame structure, on which a bidirectional screw 22 is rotatably connected. Two threaded plates 23 are provided on the bidirectional screw 22. The threaded plates 23 can slide on the slide rail through a slider 25. The lower part of any threaded plate 23 extends into the insertion rod 19 and is provided with a reinforcing rod 21. The reinforcing rod 21 is adapted to the through hole 26 on the insertion rod 19. By rotating the bidirectional screw 22, the two threaded plates 23 can be driven away from each other, so that the reinforcing rod 21 extends from the corresponding through hole 26; after the insertion rod 19 is inserted into the formation, the knob 24 is rotated, and the rotation of the knob 24 will drive the bidirectional screw 22 to rotate and drive the two threaded plates 23 away from each other. The reinforcing rods 21 on the two threaded plates 23 extend from the corresponding through holes 26 and insert into both sides of the formation soil, thereby improving the stability of the connection between the fixing device and the formation and ensuring the installation and fixing effect of the main pipe 5.

[0040] In another technical solution, a backing plate 6 is installed at the bottom of the water collecting bucket 7. In this technical solution, the backing plate 6 is used to ensure the stability of the water collecting bucket 7 when it is placed.

[0041] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with this field, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A row of light well point dewatering devices, characterized in that: include: A plurality of water pumping pipes are arranged side by side, the water outlets of the plurality of water pumping pipes are connected to the same main pipe, the water inlets of the plurality of water pumping pipes are inserted into the aquifer of the base, and a filter tube is installed at the water inlet of any water pumping pipe; a water pump, the water inlet of which is connected to the main pipe through a water collection device, and the water pump is used to pump groundwater in the aquifer into the water collection device through the plurality of pumping pipes; A fixing device is used to fix and support the main pipe, wherein the top of the fixing device is connected to the main pipe and the bottom is inserted into the stratum.

2. The row of light well point dewatering devices according to claim 1, characterized in that: The water collecting device includes a water collecting bucket, a connecting pipe, a fixed pipe and a water outlet pipe. The water collecting bucket is connected to the water pump and the main pipe through the connecting pipe and the fixed pipe respectively, and the water collecting bucket is connected to the water outlet pipe.

3. The row of light well point dewatering devices according to claim 1, characterized in that: The fixing device includes multiple bases, which are arranged at intervals along the length direction of the main pipe. Two adjacent bases are connected into a whole by connecting rods. Clamps are fixed on the bases at both ends of the main pipe, and the clamps are used to fix the main pipe. Arc plates are fixed on the remaining bases, and the arc plates are in contact with the bottom of the main pipe. The bottom of any base is provided with a conical plug rod for inserting into the formation.

4. The row-type light well point dewatering device according to claim 3, characterized in that: An adjusting rod is fixedly provided at the bottom of any base, a sleeve is movably provided at the lower part of the adjusting rod, a positioning hole is opened on the sleeve, an adjusting bolt is provided on the positioning hole, the end of the adjusting bolt close to the adjusting rod abuts against the side wall of the adjusting rod, a chassis is fixedly provided at the bottom of the sleeve, and the conical insert rod is installed at the bottom of the chassis.

5. The row-type light well point dewatering device according to claim 4, characterized in that: A box body is fixedly provided at the bottom of the chassis, the tapered plug rod is fixedly provided at the bottom of the box body, the box body is a rectangular frame structure, two ends of the box body are rotatably provided with bidirectional screws, one end of the bidirectional screw extends out of the box body and is fixedly connected to a knob, two threaded plates are provided at intervals on the bidirectional screw, a slider is fixedly provided on the upper part of any threaded plate, a slide rail is provided on the inner side wall of the box body, and the slider is slidably provided on the slide rail; The interior of the conical insert rod is hollow, and a plurality of through holes are provided on the two opposite outer side walls of the conical insert rod. The lower part of the threaded plate extends into the conical insert rod, and a plurality of reinforcing rods are fixed on the side wall of the lower part of any threaded plate. The plurality of reinforcing rods are adapted to the adjacent plurality of through holes, and any reinforcing rod is a conical structure.

6. The row of light well point dewatering devices according to claim 2, characterized in that: A backing plate is installed at the bottom of the water collecting bucket.

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