CN108534863B - Geotechnical engineering reconnaissance water level survey device - Google Patents
Geotechnical engineering reconnaissance water level survey device Download PDFInfo
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- CN108534863B CN108534863B CN201810790224.5A CN201810790224A CN108534863B CN 108534863 B CN108534863 B CN 108534863B CN 201810790224 A CN201810790224 A CN 201810790224A CN 108534863 B CN108534863 B CN 108534863B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/02—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
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Abstract
The invention discloses a device for measuring the water level in geotechnical engineering investigation, which extrudes an elastic film through underground water and extrudes colored liquid by matching with air inflation of an air bag, so that the liquid level of the colored liquid is changed, and the underground water level is measured. The drilling device is characterized in that the main body drilling device comprises a transparent pipe, a drill bit, rotary slices, a hollow pipe and a cover plate, wherein the drill bit is arranged at one end of the hollow pipe, the drill bit is of an inverted conical structure, an arc-shaped concave surface is arranged at the top of the bottom of the drill bit, the other end of the hollow pipe is in a horn shape, the rotary slices are respectively arranged on the outer sides of the drill bit, the outer side surfaces of the rotary slices are arc-shaped surfaces, the bottom of the rotary slices is in a pointed structure, one end of the transparent pipe is arranged at the other end of the hollow pipe and is communicated with the hollow pipe, the cover plate.
Description
Technical Field
The invention discloses a geotechnical engineering investigation water level measuring device, relates to a device for measuring the groundwater level in a drill hole when groundwater level investigation and measurement are carried out on geotechnical, and belongs to the field of geotechnical engineering. In particular to a device which extrudes an elastic film through underground water and extrudes colored liquid by matching with the inflation of an air bag, so that the liquid level of the colored liquid is changed and the underground water level is measured.
Background
At present, when geotechnical exploration is carried out, in order to know the influence of underground water level on engineering, the underground water level needs to be measured, the existing underground water measuring instruments are various and are not suitable for water level measurement of field drilling, some instruments are not suitable for carrying and carrying due to overhigh precision, the carrying cost is high, the limiting factors of some equipment on the measuring environment are too many, the measuring accuracy is poor, the water level measured by the traditional lifting rope method is not only low in precision, but also time and labor are wasted in operation, the water level is measured by manpower repeatedly, the water level is measured by adopting a floating ball, the length of the rope is recorded when the floating ball is suspended on underground water by lowering the rope along the drilling hole, the measuring mode has hysteresis, the length of the rope is longer than the actual value, and the measuring precision is influenced.
The publication No. CN205483179U discloses a geotechnical engineering investigation drilling water level measuring instrument, which comprises a measuring device main body and a water level measuring pendant, wherein a controller and a power supply assembly are arranged in the measuring device main body, a controllable laser receiving device and a phase type laser emitting and receiving device are arranged at the bottom of the measuring device main body, the water level measuring pendant comprises a measuring floating head and a balancing weight movably connected to the bottom of the measuring floating head, the measuring floating head is connected with the measuring device main body through a high-strength line and is internally provided with a power device capable of regulating and controlling the high-strength line to be retracted, the top of the measuring floating head is provided with a phase type laser reflector and a controllable laser emitting device, the device enables the switch to be closed through floating of the floating head, but the floating head floats up and down through the flow of underground water, and the power switch is continuously in an opening and closing state to influence water level measurement.
Disclosure of Invention
In order to improve the situation, the invention provides a device for measuring the water level in geotechnical engineering investigation, which extrudes an elastic film through underground water and extrudes colored liquid by matching with the inflation of an air bag, so that the liquid level of the colored liquid is changed and the underground water level is measured. The accuracy of measuring the ground water level can be effectively improved.
The invention relates to a device for measuring water level in geotechnical engineering investigation, which is realized as follows: the invention relates to a water level measuring device for geotechnical engineering investigation, which consists of a main body drilling device and a measuring device, wherein the main body drilling device consists of a transparent pipe, a drill bit, rotary slices, a hollow pipe and a cover plate, the drill bit is arranged at one end of the hollow pipe, the drill bit is of an inverted conical structure, the top point of the bottom of the drill bit is provided with an arc-shaped concave surface, the other end of the hollow pipe is in a horn shape, a plurality of rotary slices are respectively arranged at the outer side of the drill bit, the outer side surface of each rotary slice is an arc-shaped surface, the bottom of each rotary slice is in a pointed structure, one end of the transparent pipe is arranged at the other end of the hollow pipe and is communicated with the hollow pipe, the cover plate is arranged at the other end of the transparent pipe, the outer wall of the hollow pipe is provided with scales, the measuring device consists of a connecting pipe, an, the inner bushing is arranged in a through hole in the middle of the cover plate, one end of the inner bushing is provided with a limiting ring and is attached to the cover plate, one end of a connecting pipe is arranged in the inner bushing, a vortex pipe is arranged in a transparent pipe and is connected with one end of the connecting pipe, the vortex pipe is communicated with the connecting pipe, one end of the vortex pipe is of a round platform-shaped structure, the other end of the vortex pipe is of a round platform-shaped structure, the outer wall of the vortex pipe is attached to the inner wall of the other end of the hollow pipe, an observation channel is arranged between the outer wall of the vortex pipe and the inner wall of the transparent pipe, a spiral plate is arranged on the inner wall of the vortex pipe, one end of a fixed pipe is arranged on the other end of the vortex pipe and is communicated with the vortex pipe, the other end of the fixed pipe is arranged in the hollow pipe and is attached to, an elastic film is arranged inside the outer protective net and is positioned between the outer protective net and the hollow pipe, an inner blocking net is arranged between the outer protective net and the outer wall of the hollow pipe, the inner baffle net is of an annular structure, the top of the inner baffle net is connected with the outer wall of the other end of the hollow pipe, the bottom of the inner baffle net is connected with the drill bit, a communication channel is arranged between the inner blocking net and the outer blocking net, a communication hole is arranged on the other end wall of the hollow pipe, and is respectively communicated with a communicating channel and an observing channel, the communicating hole is of an annular structure, an air bag cavity is arranged between the inner blocking net and the outer wall of the hollow pipe, the air bag cavity is internally provided with colored liquid, the air bag is arranged in the air bag cavity, the hollow tube is symmetrically provided with two air injection holes, and are respectively communicated with the interior of the hollow tube, the rubber sleeves are arranged in the gas injection holes, one ends of the two communicating tubes are respectively arranged on the air bags and are respectively communicated with the air bags, and the other ends of the two communicating tubes are respectively arranged in the two rubber sleeves on the hollow tube.
When the rock-soil underground water level is measured, the transparent pipe is connected with an external drilling device, the other end of the connecting pipe is communicated with an external inflator pump, the drilling device drives the transparent pipe to rotate, the transparent pipe drives the drill bit to rotate, the drill bit drives the plurality of rotary slices to rotate, the plurality of rotary slices cut and drill down the rock-soil, and holes are drilled, when the drill bit enters the rock-soil, the inflator pump starts to inflate, gas enters the connecting pipe, then enters the vortex pipe, spirally flows downwards along the spiral plate in the vortex pipe, then flows into the hollow pipe through the fixed pipe, then flows into the air bag through the two air injection holes in the hollow pipe, further inflates the air bag, colored liquid in the air bag cavity is extruded and flows outwards, and then the colored liquid flows into the communicating channel through the inner blocking net, then the colored liquid flows into the observation channel through the communicating hole, the initial liquid level scale on the transparent pipe corresponding to the colored liquid at the moment is recorded, the internal pressure of the underground water-level-adjustable water level gauge is constant at the moment, the external pressure of the underground water-level-adjustable water level gauge is gradually increased along with the continuous downward movement of the underground water-level-adjustable water level gauge, the colored liquid in the communicating channel is extruded by the underground water in the drill hole through the elastic film, the colored liquid continuously flows upwards along the communicating channel under the extrusion, then the colored liquid enters the observation cavity through the communicating hole, the colored liquid in the observation cavity is gradually raised, after the underground water-level-adjustable water level gauge is drilled to the preset depth, the difference value between the colored liquid and the initial liquid; the purpose of measuring the groundwater level in the drill hole is achieved when groundwater level exploration and measurement are carried out on rock soil.
Has the beneficial effects.
The structure is simple, and the device is convenient and practical.
And secondly, the efficiency of measuring the underground water level of rock soil can be effectively improved.
And thirdly, the measuring accuracy of the ground water level can be effectively improved.
Drawings
Fig. 1 is a schematic structural view of a water level measuring device for geotechnical engineering investigation according to the present invention.
Fig. 2 is a perspective view illustrating a gas injection pipe of a water level measuring apparatus for geotechnical engineering investigation according to the present invention, which shows only the structure of the inner wall of a scroll.
In the attached drawings
Wherein the parts are: the device comprises a connecting pipe (1), an inner bushing (2), a transparent pipe (3), a fixed pipe (4), an inner blocking net (5), an air bag (6), a rubber sleeve (7), a drill bit (8), a rotary slice (9), a hollow pipe (10), an elastic film (11), an outer protective net (12), a communication hole (13), a vortex pipe (14), a cover plate (15) and a spiral plate (16).
The specific implementation mode is as follows:
the invention relates to a geotechnical engineering investigation water level measuring device which is realized by the following steps that the geotechnical engineering investigation water level measuring device comprises a main body drilling device and a measuring device, wherein the main body drilling device comprises a transparent pipe (3), a drill bit (8), a rotary slice (9), a hollow pipe (10) and a cover plate (15), the drill bit (8) is arranged at one end of the hollow pipe (10), the drill bit (8) is of an inverted conical structure, the vertex of the bottom of the drill bit (8) is provided with an arc-shaped concave surface, the other end of the hollow pipe (10) is horn-shaped, a plurality of rotary slices (9) are respectively arranged at the outer side of the drill bit (8), the outer side surface of each rotary slice (9) is an arc-shaped surface, the bottom of each rotary slice is of a pointed structure, one end of the transparent pipe (3) is arranged at the other end of the hollow pipe (10) and communicated with the hollow pipe (, the measuring device comprises a connecting pipe (1), an inner bushing (2), a fixed pipe (4), an inner baffle net (5), an air bag (6), a rubber sleeve (7), an elastic film (11), an outer protective net (12), a communication hole (13), a vortex pipe (14) and a spiral plate (16), wherein a through hole is formed in the middle of the cover plate (15), the inner bushing (2) is arranged in the through hole in the middle of the cover plate (15), a limit ring is arranged at one end of the inner bushing (2) and is attached to the cover plate (15), one end of the connecting pipe (1) is arranged in the inner bushing (2), the vortex pipe (14) is arranged in the transparent pipe (3), one end of the vortex pipe is connected with one end of the connecting pipe (1), the vortex pipe (14) is communicated with the connecting pipe (1), one end of the vortex pipe (14) is of a circular truncated cone-shaped structure, the other end of the vortex pipe (14) is of a circular cone-shaped structure, and the, an observation channel is arranged between the outer wall of the vortex tube (14) and the inner wall of the transparent tube (3), a spiral plate (16) is arranged on the inner wall of the vortex tube (14), one end of a fixed tube (4) is arranged at the other end of the vortex tube (14) and is communicated with the vortex tube (14), the other end of the fixed tube (4) is arranged in the hollow tube (10) and is attached to the inner wall of the hollow tube (10), the outer protective net (12) is of an annular structure, the outer protective net (12) is sleeved on the hollow tube (10), the top of the outer protective net (12) is connected with the outer wall of the other end of the hollow tube (10), the bottom of the outer protective net is connected with a drill bit (8), an elastic film (11) is arranged on the inner side of the outer protective net (12) and is positioned between the outer protective net (12) and the hollow tube (10), an inner protective net (5) is arranged between the outer protective net (12) and the outer wall, the top of the inner baffle net (5) is connected with the outer wall of the other end of the hollow pipe (10), the bottom is connected with the drill bit (8), a communication channel is arranged between the inner blocking net (5) and the outer protective net (12), a communication hole (13) is arranged on the other end wall of the hollow pipe (10), and is respectively communicated with the communicating channel and the observing channel, the communicating hole (13) is of an annular structure, an air bag (6) cavity is arranged between the inner baffle net (5) and the outer wall of the hollow pipe (10), the colored liquid is arranged in the cavity of the air bag (6), the air bag (6) is arranged in the cavity of the air bag (6), two air injection holes are symmetrically formed on the hollow tube (10), and are respectively communicated with the interior of the hollow pipe (10), the rubber sleeve (7) is arranged in the air injection hole, one end of each of the two communicating pipes is respectively arranged on the air bag (6), and are respectively communicated with the air bags (6), and the other ends of the air bags are respectively arranged in two rubber sleeves (7) on the hollow pipe (10).
When the rock-soil underground water level measuring device is used, the air bag (6) is in a hollow state in an initial state, when the rock-soil underground water level is measured, the transparent pipe (3) is firstly connected with an external drilling device, the other end of the connecting pipe (1) is communicated with an external inflator pump, the drilling device drives the transparent pipe (3) to rotate, the transparent pipe (3) drives the drill bit (8) to rotate, the drill bit (8) drives the plurality of rotary slices (9) to rotate, then the plurality of rotary slices (9) cut and drill the rock-soil, drilling is carried out, when the drill bit (8) enters the rock-soil, the inflator pump starts to inflate, gas enters the connecting pipe (1), then enters the vortex pipe (14), flows downwards along the spiral plate (16) in the vortex pipe (14), then flows into the hollow pipe (10) through the fixed pipe (4), and then flows into the air bag (6) through the two gas injection holes in the hollow pipe (10), then the air bag (6) is inflated, the colored liquid in the cavity of the air bag (6) is extruded and flows outwards, the colored liquid flows into the communicating channel through the inner blocking net (5) and then flows into the observing channel through the communicating hole (13), the initial liquid level scale of the colored liquid corresponding to the transparent pipe (3) at the moment is recorded, the internal pressure of the observing device is constant, the external pressure of the observing device is gradually increased along with the continuous downward movement of the observing device, the underground water in the drilled hole extrudes the colored liquid in the communicating channel through the elastic film (11), the colored liquid continuously flows upwards along the communicating channel under extrusion and then enters the observing cavity through the communicating hole (13), the colored liquid in the observing cavity gradually rises and after the drilled hole is drilled to the preset depth, the difference value between the colored liquid and the initial liquid level scale is obtained according to the scale on the transparent pipe (3) corresponding to the colored liquid at, at the moment, the pressure intensities of the two sides of the elastic film (11) are the same, and the rock-soil groundwater level is obtained through conversion according to p = rho gh;
the outer side surface of the rotary slice (9) is an arc-shaped surface, and the bottom of the rotary slice is in a pointed structure design, so that the rock soil is cut by the bottom of the rotary slice (9) in the rotation process, the drilling efficiency is improved, and the elastic film (11) is prevented from being extruded by a soil layer on a drilling arm;
one end of the vortex tube (14) is designed to be in a circular truncated cone-shaped structure, so that the channel of the connecting part of the connecting tube (1) and the vortex tube (14) is gradually enlarged, gas in the connecting tube (1) can conveniently enter the vortex tube (14), and the gas injection efficiency is improved;
the other end of the vortex tube (14) is of a circular truncated cone-shaped structure, and the outer wall of the vortex tube is attached to the inner wall of the other end of the hollow tube (10), so that the vortex tube (14) and the hollow tube (10) can be plugged, and gas in the hollow tube (10) is prevented from flowing reversely;
the other end of the fixed pipe (4) is arranged in the hollow pipe (10), and the fixed pipe is attached to the inner wall of the hollow pipe (10), so that the space between the fixed pipe (4) and the hollow pipe (10) can be blocked, and gas in the hollow pipe (10) is prevented from flowing reversely;
the colored liquid is arranged in the cavity of the air bag (6), so that the colored liquid is more striking, and the scales on the corresponding transparent tube (3) can be observed and recorded conveniently;
the air bag (6) and the colored liquid are matched with the elastic film (11) to carry out detection design on the ground water, so that the operation is simple, the influence of the flow of the ground water is avoided, and the measurement accuracy is higher;
the colored liquid is extruded into the observation channel by inflating the air bag (6), so that the corresponding liquid scale under the condition of certain internal pressure can be determined;
the design that the external pressure extrudes the film to enable the liquid level of the colored liquid to be gradually raised can measure the preset depth of the drill and the corresponding liquid level scale;
the purpose of measuring the groundwater level in the drill hole is achieved when groundwater level exploration and measurement are carried out on rock soil.
Claims (6)
1. The utility model provides a geotechnical engineering reconnaissance water level survey device, characterized by: the measuring device comprises a connecting pipe, an inner bushing, a fixed pipe, an inner baffle net, an air bag, a rubber sleeve, an elastic film, an outer protective net, a communication hole, a vortex pipe and a spiral plate, wherein the cover plate is arranged at the other end of the transparent pipe, the inner bushing is arranged in the through hole in the middle of the cover plate, one end of the inner bushing is provided with a limiting ring and is attached to the cover plate, one end of the connecting pipe is arranged in the inner bushing, the vortex tube is arranged in the transparent tube, one end of the vortex tube is connected with one end of the connecting tube, the vortex tube is communicated with the connecting tube, one end of the vortex tube is of a round table-shaped structure, the spiral plate is arranged on the inner wall of the vortex tube, one end of the fixed tube is arranged on the other end of the vortex tube and is communicated with the vortex tube, the other end of the fixed tube is arranged in the hollow tube and is attached to the inner wall of the hollow tube, the outer protective net is of an annular structure, the outer protective net is sleeved on the hollow tube, the top of the outer protective net is connected with the outer wall of the other end of the hollow tube, the bottom of the outer protective net is connected with the drill bit, the elastic film is arranged inside the outer protective net and is positioned between the outer protective net and the hollow tube, the inner blocking net is arranged between the outer protective net and the outer wall of the hollow tube, the top, the utility model discloses a hollow tube, including hollow tube, intercommunication channel, observation channel, intercommunication hole, gasbag cover, rubber sleeve, gasbag, air bag cavity, gasbag intracavity, the intercommunication hole is the loop configuration on the other end wall of hollow tube, and is linked together with intercommunication channel, observation channel respectively, the intercommunication hole has put the gasbag cavity between interior fender net and the hollow tube outer wall, the gasbag cavity embeds there is coloured liquid, and the gasbag is arranged in the gasbag cavity, the symmetry is opened on the hollow tube has two gas injection holes, and is linked together with the hollow tube is inside respectively, and the gas injection hole is arranged in to the rubber sleeve, and on the gasbag was.
2. The apparatus of claim 1, wherein the outer side of the rotary slice is an arc-shaped surface and the bottom of the rotary slice is a pointed structure.
3. The apparatus according to claim 1, wherein the other end of the vortex tube has a truncated cone-shaped structure, and the outer wall of the vortex tube is attached to the inner wall of the other end of the hollow tube.
4. The apparatus of claim 3, wherein an observation channel is disposed between the outer wall of the vortex tube and the inner wall of the transparent tube.
5. The apparatus of claim 1, wherein the air chamber contains a colored liquid.
6. The apparatus of claim 1, wherein the air bag is inflated to squeeze the colored liquid into the observation channel, thereby determining the liquid scale corresponding to the internal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790224.5A CN108534863B (en) | 2018-07-18 | 2018-07-18 | Geotechnical engineering reconnaissance water level survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790224.5A CN108534863B (en) | 2018-07-18 | 2018-07-18 | Geotechnical engineering reconnaissance water level survey device |
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| Publication Number | Publication Date |
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| CN108534863A CN108534863A (en) | 2018-09-14 |
| CN108534863B true CN108534863B (en) | 2020-01-24 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139665A (en) * | 2001-11-06 | 2003-05-14 | Geo Environment Technology Research Center | Method and apparatus for sampling groundwater as well as method and apparatus for measurement of groundwater level |
| CN102445249A (en) * | 2010-09-30 | 2012-05-09 | 乌兰察布新奥气化采煤技术有限公司 | Waterproof water-level probe |
| CN105737938A (en) * | 2016-02-24 | 2016-07-06 | 石家庄铁道大学 | Underground water level and deep-seated displacement same-hole monitoring device |
| CN106323408A (en) * | 2016-11-11 | 2017-01-11 | 中国矿业大学(北京) | Intelligent underground water level measuring instrument |
| CN107941298A (en) * | 2017-11-22 | 2018-04-20 | 贵州新联***工程集团有限公司 | A kind of borehole measuring instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10139262B2 (en) * | 2014-09-04 | 2018-11-27 | Carl E. Keller | Method for air-coupled water level meter system |
-
2018
- 2018-07-18 CN CN201810790224.5A patent/CN108534863B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139665A (en) * | 2001-11-06 | 2003-05-14 | Geo Environment Technology Research Center | Method and apparatus for sampling groundwater as well as method and apparatus for measurement of groundwater level |
| CN102445249A (en) * | 2010-09-30 | 2012-05-09 | 乌兰察布新奥气化采煤技术有限公司 | Waterproof water-level probe |
| CN105737938A (en) * | 2016-02-24 | 2016-07-06 | 石家庄铁道大学 | Underground water level and deep-seated displacement same-hole monitoring device |
| CN106323408A (en) * | 2016-11-11 | 2017-01-11 | 中国矿业大学(北京) | Intelligent underground water level measuring instrument |
| CN107941298A (en) * | 2017-11-22 | 2018-04-20 | 贵州新联***工程集团有限公司 | A kind of borehole measuring instrument |
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| CN108534863A (en) | 2018-09-14 |
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Effective date of registration: 20191227 Address after: 250031 transportation planning and Design Institute, No. 576, Wuying Shanxi Road, Tianqiao District, Jinan City, Shandong Province Applicant after: Shandong Provincial Communications Planning and Design Institute Address before: 250031 Shandong Province Flyover District of Ji'nan city Shanxi Road No. 576. Applicant before: Zhu Qi |
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Effective date of registration: 20201215 Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Shandong transportation planning and Design Institute Co.,Ltd. Address before: 250031 transportation planning and Design Institute, No. 576, Wuying Shanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee before: SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE |
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Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Shandong transportation planning and Design Institute Group Co.,Ltd. Address before: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee before: Shandong transportation planning and Design Institute Co.,Ltd. |