CN113802540B - Filter pipe outer belt hydraulic cross wedge type mucky soil inner drainage channel cutter - Google Patents
Filter pipe outer belt hydraulic cross wedge type mucky soil inner drainage channel cutter Download PDFInfo
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- CN113802540B CN113802540B CN202111150855.9A CN202111150855A CN113802540B CN 113802540 B CN113802540 B CN 113802540B CN 202111150855 A CN202111150855 A CN 202111150855A CN 113802540 B CN113802540 B CN 113802540B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/16—Machines for digging other holes in the soil
- E02F5/18—Machines for digging other holes in the soil for horizontal holes or inclined holes
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Hydrology & Water Resources (AREA)
- Soil Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a filter tube with hydraulic cross wedge type cutter for a drainage channel in mucky soil, which comprises: a cutting mechanism for cutting the mucky soil to form a drainage channel (20); the hydraulic mechanism is used for providing power for the cutting mechanism; a pumping well mechanism for discharging water collected by the drainage passage (20); the cutting mechanism is arranged in the pumping well mechanism, and the pumping well mechanism is buried in the mucky soil (15). The cutting mechanism includes: an upper fixing arm (10) and a lower fixing arm (8); the bendable soil cutting blade (13) is used for cutting mucky soil to form a drainage channel; the movable arm (2) is used for pushing the soil cutting blade (13) to slide downwards to cut soil; at least one sliding rail (9) for ensuring the stable downward sliding of the movable arm (2). Compared with the prior art, the method has the advantages of effectively reducing the water content of the mucky soil in a short time, having great significance for preventing and treating the problems of environmental pollution and the like in the transportation process of the mucky soil area, and the like.
Description
Technical Field
The invention relates to the technical field of geological engineering, in particular to a cutter for a drainage channel in muddy soil, wherein a filter pipe is externally provided with a hydraulic cross wedge.
Background
At present, mucky soil is often encountered in foundation pit engineering, and in the excavation process, as the mucky soil has high water content, poor permeability, thixotropy and the like, if the water content of the mucky soil cannot be effectively reduced in the construction process, the problems of large deformation of a building enclosure, muddy construction site, sinking of a digging machine, high soil water content, environmental pollution in the transportation process and the like can be caused. However, the existing precipitation method has long time and poor effect, and is difficult to reduce the water content of the mucky soil in a short time, and related problems need to be solved urgently.
To effectively reduce the water content of the mucky soil, a pipe well is needed for precipitation, but the general mucky soil has small burial depth, small hydraulic gradient formed by reducing the water level by a pumping well alone, small water discharge and long draining time.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the cutter for the filter pipe outer belt hydraulic cross wedging type mucky soil inner drainage channel, which can effectively reduce the water content of the mucky soil in a short time and has great significance for preventing and treating the problems of environmental pollution and the like in the transportation process of a mucky area.
The purpose of the invention can be realized by the following technical scheme:
a filter tube with hydraulic cross wedge type internal mucky soil drainage channel cutter, comprising:
the cutting mechanism is used for cutting the mucky soil to form a drainage channel;
the hydraulic mechanism is used for providing power for the cutting mechanism;
the pumping well mechanism is used for discharging water collected by the drainage channel;
the cutting mechanism is arranged in the pumping well mechanism, and the pumping well mechanism is buried in the mucky soil.
Further, the cutting mechanism comprises:
an upper fixed arm and a lower fixed arm;
the bendable soil cutting blade is used for cutting mucky soil to form a drainage channel;
the movable arm is used for pushing the soil cutting blade to slide downwards to cut soil;
at least one slide rail for ensuring the stable downward sliding of the movable arm;
the upper fixed arm and the lower fixed arm are fixedly connected through a sliding rail;
the movable arm is arranged on the sliding rail in a penetrating way and is positioned between the upper fixed arm and the lower fixed arm;
the two ends of the soil cutting blade are respectively hinged with the movable arm and the lower fixed arm through fixed hinges, and the middle of the soil cutting blade is provided with a movable hinge.
Furthermore, the upper fixed arm and the lower fixed arm are of circular ring structures, and two ends of the sliding rail are fixedly arranged on the upper fixed arm and the lower fixed arm respectively.
The inner sides of the upper fixed arm and the lower fixed arm are provided with welding points for being fixed on the filter tube.
Furthermore, the slide rail is also provided with a slide rail inner groove and a slide rail water permeable hole.
Furthermore, the soil cutting blade is made of high-strength steel, the cross section of the soil cutting blade is dumbbell-shaped, and the soil cutting blade is provided with a water permeable cutting hole and a blade inner groove.
Further, the hydraulic mechanism includes:
the external power is used for pressing the movable arm;
and the hydraulic pipe is used for connecting external power with the movable arm.
Further, the pumping well mechanism comprises:
a well tubing assembly for collecting water from the drainage passage;
the well wall is used for supporting and guiding flow;
the gravel pack is used for primarily filtering water from the drainage channel;
a drain pipe for pumping water inside the well pipe assembly to the outside;
the gravel pack is filled between the well pipe assembly and the well wall.
Further, the well pipe is connected in sequence: well pipes, filter pipes and settling pipes;
the filter tube is provided with a water permeable hole for drainage and is fixedly connected between the upper fixed arm and the lower fixed arm;
the drain pipe is provided with a drain valve which is a simple switch and is not controlled by a servo motor, and is used for controlling the start and the end of drainage.
Furthermore, the filter pipe is sleeved with a double-layer nylon net for preventing fine sand and filter materials from entering the well pipe assembly to play a role in filtering;
the diameter of the sedimentation tube is the same as that of the filter tube, and the bottom opening is sealed by an iron plate and used for settling residues.
Furthermore, the pumping well mechanism also comprises a return pipe for recharging the pumped redundant underground water to the underground, and the water level and the water discharge quantity of the whole well pipe assembly can be indirectly controlled by controlling the flow of the return pipe.
Compared with the prior art, the method is used for precipitation engineering, the cutting system, the hydraulic system and the precipitation well system are used for drilling construction, the muddy soil is cut and penetrated, a radial drainage channel is formed, gravel is filled, a well is formed, and the like, the aim of effectively reducing the water content of the muddy soil in a short time can be achieved, and the method has great significance for preventing and treating the problems of large deformation, muddy construction site, lower limit of a digging machine, high water content of earthwork, environment pollution in the transportation process and the like of a foundation pit enclosure structure in a muddy soil area.
Drawings
FIG. 1 is a schematic diagram showing an initial state of the structure of the device according to the embodiment;
FIG. 2 is a schematic diagram showing the structural operation of the device according to the embodiment;
FIG. 3 is a top view of the device structure in the example;
FIG. 4 is a schematic view of the initial state of the combined cutting-precipitation method of the embodiment;
FIG. 5 is a schematic view of the working state of the combined cutting-precipitation method in the embodiment;
FIG. 6 is a schematic view of an example soil cutting blade;
the reference numbers in the figures indicate: the device comprises a jack hydraulic pipe 1, a movable arm 2, a cutting water-permeable hole 3, a blade inner groove 4, a movable hinge 5, a slide rail inner groove 6, a slide rail water-permeable hole 7, a lower fixed arm 8, a slide rail 9, an upper fixed arm 10, a fixed hinge 11, an oil pressure 12, a soil cutting blade 13, gravel filling 14, mucky soil 15, a well wall 16, a well pipe 17, a filter pipe 18, a settling pipe 19 and a drainage channel 20.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
Examples
A cutter for a drainage channel in muddy soil with hydraulic cross wedging outside a filter tube, as shown in fig. 1-3, comprising: a cutting mechanism for cutting the mucky soil to form a drainage channel 20; the hydraulic mechanism is used for providing power for the cutting mechanism; a pumping well mechanism for discharging the water collected in the drainage passage 20; the cutting mechanism is arranged in the pumping well mechanism, and the pumping well mechanism is buried in the mucky soil 15.
The cutting mechanism includes: an upper fixing arm 10 and a lower fixing arm 8; the bendable soil cutting blade 13 is used for cutting mucky soil to form a drainage channel; the movable arm 2 is used for pushing the soil cutting blade 13 to slide downwards to cut soil; four slide rails 9 for ensuring the stable downward sliding of the movable arm 2; the upper fixed arm 10 and the lower fixed arm 8 are fixedly connected through a sliding rail 9; the movable arm 2 is arranged on the sliding rail 9 in a penetrating way and is positioned between the upper fixed arm 10 and the lower fixed arm 8; two ends of the soil cutting blade 13 are respectively hinged with the movable arm 2 and the lower fixed arm 8 through a fixed hinge 11, and a movable hinge 5 is arranged in the middle of the soil cutting blade 13.
The upper fixing arm 10 and the lower fixing arm 8 are of circular ring structures, and two ends of the sliding rail 9 are fixedly arranged on the upper fixing arm 10 and the lower fixing arm 8 respectively. The inner sides of the upper fixing arm 10 and the lower fixing arm 8 are provided with welding points for fixing the filter tube 18. The slide rail 9 is also provided with a slide rail inner groove 6 and a slide rail water permeable hole 7. The soil cutting blade 13 is made of high-strength steel, has a dumbbell-shaped section, and is provided with a water permeable cutting hole 3 and a blade inner groove 4 as shown in fig. 6.
The method for forming the wall type drainage channel by cutting the mucky soil by the cutter comprises the following steps of continuously cutting soil downwards by four groups of blades distributed at four corners of the device under the action of a hydraulic jack, and wedging the mucky soil out of four groups of drainage channels with fan-shaped side walls and blade thickness; when pumping water, underground water firstly enters the surface-shaped channel to be collected, then enters the filter material and the filter pipe, and then is pumped out by the pumping well system.
The hydraulic mechanism includes: the external power is used for pressing the movable arm 2; and the hydraulic pipe is used for connecting external power with the movable arm 2.
As shown in fig. 4-5, the pumping well mechanism comprises: a well pipe assembly for collecting water from the drainage channel 20; a well wall 16 for supporting and guiding flow; a gravel pack 14 for primary filtering of water from the drainage channel 20; a drain pipe for pumping water inside the well pipe assembly to the outside; a gravel pack 14 is packed between the well tubular assembly and the wellbore wall 16.
The well casing is connected in proper order: well pipes 17, filter pipes 18, and settling pipes 19; the filter tube 18 is provided with a water permeable hole for drainage and is fixedly connected between the upper fixed arm 10 and the lower fixed arm 8; the drain pipe is provided with a drain valve which is a simple switch and is not controlled by a servo motor and is used for controlling the start and the end of drainage. Furthermore, the filter pipe 18 is externally sleeved with a double-layer nylon net for preventing fine sand and filter materials from entering the well pipe assembly to play a role in filtering; the diameter of the settling tube 19 is the same as that of the filter tube 18, and the bottom opening is sealed by an iron plate and used for settling residues.
The pumping well mechanism also comprises a return pipe for recharging the pumped redundant underground water to the underground, and the water level and the water discharge of the whole well pipe assembly can be indirectly controlled by controlling the flow of the return pipe.
After the construction drilling construction is finished, before gravel filling 14 is put into a well pipe 17, a cross wedge type cutter arranged on the outer side of a filter pipe is driven by hydraulic pressure, the hydraulic pressure is applied through a jack hydraulic pipe 1, a movable jack arm 2 drives four limb fixing hinges 11 to slide downwards along a jack slide rail 9, a soil cutting blade 13 is driven to bend and cut soil downwards, silt 15 is penetrated, the structure of local silt 15 is damaged, a planar soil cutting groove 20 is formed, and then gravel filling is carried out, wherein Cheng Jing is adopted. Mainly by cutting into mucky soil, form vertical slot, destroy mucky soil structure, increase the water yield. The dewatering method increases the permeability of the soil body close to the filter pipe on one hand, and cuts the soil body to form a local planar channel on the other hand, muddy soil and water are discharged into the planar channel, then enter the filter material and then enter the filter pipe, and the dewatering efficiency is improved.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (8)
1. A filter tube outer belt hydraulic cross wedge type mucky soil inner drainage channel cutter is characterized in that the cutter comprises:
a cutting mechanism for cutting the mucky soil to form a drainage channel (20);
the hydraulic mechanism is used for providing power for the cutting mechanism;
a pumping well mechanism for discharging water collected by the drainage passage (20);
the cutting mechanism is arranged in the pumping well mechanism, and the pumping well mechanism is buried in the mucky soil (15);
the cutting mechanism includes:
an upper fixing arm (10) and a lower fixing arm (8);
the bendable soil cutting blade (13) is used for cutting mucky soil to form a drainage channel;
the movable arm (2) is used for pushing the soil cutting blade (13) to slide downwards to cut soil;
at least one sliding rail (9) for ensuring the stable downward sliding of the movable arm (2);
the upper fixed arm (10) and the lower fixed arm (8) are fixedly connected through a sliding rail (9);
the movable arm (2) is arranged on the sliding rail (9) in a penetrating way and is positioned between the upper fixed arm (10) and the lower fixed arm (8);
two ends of the soil cutting blade (13) are respectively hinged with the movable arm (2) and the lower fixed arm (8) through a fixed hinge (11), and a movable hinge (5) is arranged in the middle of the soil cutting blade (13);
the section of the soil cutting blade (13) is dumbbell-shaped and is provided with a water permeable cutting hole (3) and a blade inner groove (4).
2. The cutter for the drainage channel in the muddy soil with the hydraulic cross wedge outside the filter tube as claimed in claim 1, wherein the upper fixed arm (10) and the lower fixed arm (8) are circular ring structures, and both ends of the sliding rail (9) are respectively fixed on the upper fixed arm (10) and the lower fixed arm (8).
3. The cutter for the internal drainage channel of mucky soil with hydraulic cross wedging outside the filter tube according to claim 1, characterized in that the slide rail (9) is further provided with a slide rail internal groove (6) and a slide rail water permeable hole (7).
4. The apparatus as claimed in claim 1, wherein the hydraulic mechanism comprises:
the external power is used for pressing the movable arm (2) downwards;
and the hydraulic pipe is used for connecting external power with the movable arm (2).
5. The apparatus as claimed in claim 1, wherein the pumping well mechanism comprises:
a well pipe assembly for collecting water from the drainage channel (20);
the well wall (16) is used for supporting and guiding flow;
a gravel pack (14) for primary filtering of water from the drainage channel (20);
a drain pipe for pumping water inside the well pipe assembly to the outside;
the gravel pack (14) is filled between the well casing assembly and the well wall (16).
6. The cutter for the internal drainage channel of muddy soil with hydraulic cross wedge outside the filter tube as claimed in claim 5, wherein said well casing is connected in sequence: a well pipe (17), a filter pipe (18) and a settling pipe (19);
the filter tube (18) is provided with a water permeable hole and is fixedly connected between the upper fixed arm (10) and the lower fixed arm (8);
the drain pipe is provided with a drain valve for controlling the start and the end of draining.
7. The cutter for the drainage channel in the muddy soil with the hydraulic cross wedge outside the filter tube as claimed in claim 6, wherein said filter tube (18) is externally sleeved with a double-layer nylon net for preventing fine sand and filter material from entering the well pipe assembly;
the diameter of the sedimentation pipe (19) is the same as that of the filter pipe (18) and is used for settling residues.
8. The apparatus as claimed in claim 5, wherein the pumping well mechanism further comprises a return pipe for returning the pumped excess ground water to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111150855.9A CN113802540B (en) | 2021-09-29 | 2021-09-29 | Filter pipe outer belt hydraulic cross wedge type mucky soil inner drainage channel cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111150855.9A CN113802540B (en) | 2021-09-29 | 2021-09-29 | Filter pipe outer belt hydraulic cross wedge type mucky soil inner drainage channel cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113802540A CN113802540A (en) | 2021-12-17 |
| CN113802540B true CN113802540B (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111150855.9A Active CN113802540B (en) | 2021-09-29 | 2021-09-29 | Filter pipe outer belt hydraulic cross wedge type mucky soil inner drainage channel cutter |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3969269B2 (en) * | 2002-09-26 | 2007-09-05 | 株式会社大林組 | Deep well method |
| CN205035806U (en) * | 2015-09-28 | 2016-02-17 | 天津二十冶建设有限公司 | A device that is used for clearing up engineering and builds with tubular pile stake core silt |
| CN106555394B (en) * | 2017-01-12 | 2019-01-22 | 广西大学 | A kind of excessively moist ultra-soft soil drainage arrangement of artificial hydraulic reclamation |
| CN208650077U (en) * | 2018-08-02 | 2019-03-26 | 南京达西岩土工程有限公司 | Silly stratum dewatering well vacuum-dewatering device |
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- 2021-09-29 CN CN202111150855.9A patent/CN113802540B/en active Active
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| CN113802540A (en) | 2021-12-17 |
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