CN214363574U - Supplementary precipitation well pore-forming device of jetting water fast - Google Patents
Supplementary precipitation well pore-forming device of jetting water fast Download PDFInfo
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- CN214363574U CN214363574U CN202120530747.3U CN202120530747U CN214363574U CN 214363574 U CN214363574 U CN 214363574U CN 202120530747 U CN202120530747 U CN 202120530747U CN 214363574 U CN214363574 U CN 214363574U
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Abstract
The utility model discloses a rapid water jet auxiliary dewatering well pore-forming device, which comprises a hollow wall rod, and a blade foot device and a water injection device which are detachably communicated and arranged at the front end and the rear end of the wall rod; a plurality of water drainage holes are uniformly formed in the blade foot device; and a water injection hole is formed in the water injection device. A supplementary precipitation well pore-forming device of penetrating water fast, its reasonable in design, simple structure through the setting of taking sword foot device, is favorable to advancing soil and the pore-forming of pore-forming device, through setting up the outlet on sword foot device, when meetting partial hard plastic soil layer at the pore-forming in-process, can penetrate water pore-forming to improve pore-forming efficiency.
Description
Technical Field
The utility model belongs to the technical field of the construction, in particular to supplementary precipitation well pore-forming device of quick water-jetting is applicable to the well point precipitation stage before the deep foundation ditch of bridge and culvert structure excavates.
Background
At present, in an area with a high ground water level, before the excavation of a construction foundation pit, the ground water level needs to be lowered. For a foundation pit with a general scale, the dewatering depth is usually within 6m, a common light well point dewatering well is used for dewatering, when a dewatering well point pipe is constructed, particularly in an area with a part of hard plastic soil layer, water jetting is needed for pore forming, the pore forming process is complicated, and the working efficiency is not high.
SUMMERY OF THE UTILITY MODEL
To the technical defect who exists among the above-mentioned background art, the utility model provides a supplementary precipitation well pore-forming device of quick water-jet effectively solves the loaded down with trivial details and not high problem of work efficiency of foundation ditch well point precipitation well pore-forming technology.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model relates to a rapid water-jet auxiliary dewatering well pore-forming device, which comprises a hollow wall rod, and a blade foot device and a water injection device which are detachably communicated and arranged at the front end and the rear end of the wall rod; a plurality of water drainage holes are uniformly formed in the blade foot device; and a water injection hole is formed in the water injection device.
As a further improvement of the technical solution of the present invention, the front end of the blade foot device is a conical blade foot, the rear end of the blade foot device is provided with a first screwing external thread, and the drain hole is annular and is uniformly arranged on the blade foot.
As the utility model discloses technical scheme's further improvement, the wall pole includes a wall pole unit or is formed by many wall pole units end to end threaded connection, the front end of wall pole unit have with the first second of revolving wrong external screw thread looks adaptation revolve wrong internal thread, the front end of sword foot device and wall pole revolves wrong internal thread connection fixed through this first revolving wrong external screw thread and second.
As the utility model discloses technical scheme's further improvement, the rear end of wall pole unit is provided with the second of twisting the wrong screw thread of internal thread looks adaptation with the second, the front end of water injection device is provided with and twists the third of twisting the wrong screw thread looks adaptation with the second and twist the wrong internal thread, and the rear end of this wall pole is twisted external thread and the third through the second with the water injection device and is twisted the wrong female connection fixed of twisting.
As a further improvement of the technical scheme of the utility model, the outlet is arranged with 45 annular at interval.
During the application, carry out the device's equipment earlier, the preparation of wall pole unit cavity steel pipe, it is long generally 2m, select a wall pole unit as the wall pole according to the depth of well point precipitation well, perhaps use many wall pole units head and the tail threaded connection back as the wall pole, then at the front and back end difference threaded connection sword foot device and the water injection device of wall pole, then just can use this pore-forming device, advance soil and pore-forming in-process at this pore-forming device, if meet hard plastic soil layer, through being connected outside water source and water injection hole, pour into the wall pole with outside water source, the outlet of rethread sword foot device gets into the soil layer, so that penetrate water and become the hole.
Compared with the prior art, a supplementary precipitation well pore-forming device of penetrating water fast, its reasonable in design, simple structure through the setting of taking sword foot device, is favorable to advancing soil and the pore-forming of pore-forming device, through setting up the outlet on the sword foot device, when meetting partial hard plastic soil layer at the pore-forming in-process, can penetrate water pore-forming to improve pore-forming efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the middle blade leg device of the present invention;
fig. 3 is a schematic top view of the blade foot device of the present invention;
fig. 4 is a schematic structural view of the middle wall rod unit of the present invention;
FIG. 5 is a schematic structural view of a wall bar composed of two wall bar units according to the present invention;
FIG. 6 is a schematic structural view of the water injection device of the present invention;
in the figure: 1. a blade foot device; 11. a blade foot; 12. a water drain hole; 13. a first screwing external thread; 2. a wall bar; 21. secondly screwing the internal thread; 22. a second screwing external thread; 23. a wall bar unit; 3. a water injection device; 31. a water injection hole; 32. and thirdly screwing the internal thread.
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 to 6, the utility model relates to a rapid water-jet auxiliary dewatering well pore-forming device, which comprises a wall rod 2 made of hollow steel pipe, and a blade device 1 and a water injection device 3 which are detachably communicated and arranged at the front end and the rear end of the wall rod 2; a plurality of water drainage holes 12 are uniformly formed in the blade foot device 1; the water injection device 3 is provided with a water injection hole 31. In this embodiment, the hollow wall bar 2 is used for flowing of an injected external water source, the blade foot device 1 is convenient for soil entering and pore forming, when encountering a hard plastic soil layer in the pore forming process, the blade foot device can be connected with the water injection holes 31 of the water injection device 3 through the external water source, and after the external water source is injected into the wall bar 2, the blade foot device 1 is injected into the soil layer through the water drainage holes 12 so as to form pores. The blade device 1 and the water injection device 3 are made of metal materials.
In this embodiment, the front end of the blade foot device 1 is a conical blade foot 11, the conical front end is favorable for the requirement of soil feeding, the rear end is provided with a first screwing external thread 13 for detachable connection with the wall rod 2, and the drain holes 12 are uniformly arranged on the blade foot 11 in an annular shape for uniform water injection. Further, the drainage holes 12 are circular holes with the radius of 1-2mm and are annularly arranged on the blade legs 11 at an interval of 45 degrees.
In this embodiment, the wall rod 2 includes one wall rod unit 23 or is formed by connecting a plurality of wall rod units 23 through threads end to end, that is, the length of the wall rod 2 determines the number of the wall rod units 23 according to the depth of the dewatering well at the construction well point; the front end of the wall rod unit 23 is provided with a second screwing internal thread 21 matched with the first screwing external thread 13, and the front ends of the blade edge device 1 and the wall rod 2 are fixedly connected through the first screwing external thread 13 and the second screwing internal thread 21.
In this embodiment, the rear end of the wall rod unit 23 is provided with a second screwing external thread 22 matched with the second screwing internal thread 21, the front end of the water injection device 3 is provided with a third screwing internal thread 32 matched with the second screwing external thread 22, and the rear end of the wall rod 2 and the water injection device 3 are fixedly connected through the second screwing external thread 22 and the third screwing internal thread 32.
Claims (5)
1. A rapid water-jetting auxiliary precipitation well pore-forming device is characterized by comprising a hollow wall rod (2), and a blade foot device (1) and a water injection device (3) which are detachably communicated with the front end and the rear end of the wall rod (2); a plurality of drainage holes (12) are uniformly formed in the blade foot device (1); and a water injection hole (31) is formed in the water injection device (3).
2. The rapid water injection auxiliary dewatering well hole forming device as claimed in claim 1, characterized in that the front end of the blade foot device (1) is a conical blade foot (11), the rear end is provided with a first screwing external thread (13), and the drain holes (12) are uniformly arranged on the blade foot (11) in a ring shape.
3. The fast water jet auxiliary dewatering well pore-forming device as claimed in claim 2, characterized in that the wall rod (2) comprises a wall rod unit (23) or is formed by connecting a plurality of wall rod units (23) end to end in a threaded manner, the front end of the wall rod unit (23) is provided with a second screwing internal thread (21) matched with the first screwing external thread (13), and the blade device (1) and the front end of the wall rod (2) are fixedly connected through the first screwing external thread (13) and the second screwing internal thread (21).
4. The fast water injection auxiliary dewatering well pore-forming device as claimed in claim 3, characterized in that the rear end of the wall rod unit (23) is provided with a second screwing external thread (22) adapted to the second screwing internal thread (21), the front end of the water injection device (3) is provided with a third screwing internal thread (32) adapted to the second screwing external thread (22), and the rear end of the wall rod (2) is fixedly connected to the water injection device (3) through the second screwing external thread (22) and the third screwing internal thread (32).
5. The rapid water-jet-assisted precipitation well forming device as claimed in any one of claims 1-4, wherein said drainage holes (12) are annularly arranged at 45 ° intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530747.3U CN214363574U (en) | 2021-03-12 | 2021-03-12 | Supplementary precipitation well pore-forming device of jetting water fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530747.3U CN214363574U (en) | 2021-03-12 | 2021-03-12 | Supplementary precipitation well pore-forming device of jetting water fast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214363574U true CN214363574U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120530747.3U Active CN214363574U (en) | 2021-03-12 | 2021-03-12 | Supplementary precipitation well pore-forming device of jetting water fast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214363574U (en) |
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2021
- 2021-03-12 CN CN202120530747.3U patent/CN214363574U/en active Active
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