CN202390824U - Environmental pore pressure static sounding probe capable of sampling soil sample - Google Patents
Environmental pore pressure static sounding probe capable of sampling soil sample Download PDFInfo
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- CN202390824U CN202390824U CN2011205184889U CN201120518488U CN202390824U CN 202390824 U CN202390824 U CN 202390824U CN 2011205184889 U CN2011205184889 U CN 2011205184889U CN 201120518488 U CN201120518488 U CN 201120518488U CN 202390824 U CN202390824 U CN 202390824U
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- static sounding
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- sidewall friction
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Abstract
The utility model discloses an environmental pore pressure static sounding probe capable of sampling a soil sample. The probe takes a probe rod (1) as a main body; a push rod (1.1) is arranged at the top of the probe rod (1); a connecting rod (1.2) is arranged below the push rod; a hollow cylindrical sampling tube (2) is sleeved outside the connecting rod; a cone-shaped groove is arranged at the top of the hollow cylindrical sampling tube; a spherical lock (3) is mounted inside the cone-shaped groove; the lower part of the cone-shaped groove is a cylindrical sampling space, and the internal wall of the cone-shaped groove is provided with a nylon sleeve (4); the lower part of the connecting rod (1.2) is provided with a limiting groove (1.3); a three-component geophone (5) is arranged below the limiting groove (1.3); an inclinometer (6) is arranged below the three-component geophone (5); a sidewall friction tube (7) is located below the inclinometer (6); a temperature sensor (8) is arranged at the middle part of the sidewall friction tube (7); the lower part of the sidewall friction tube (7) is connected with a tapered probe (10); and a pore pressure filter ring (9) is located at the connection part between the sidewall friction tube (7) and the tapered probe (10).
Description
Technical field
But the utility model relates to a kind of environment hole of soil sampling presses static sounding probe, belongs to a kind of in geotechnical engineering and the field of environment engineering and can gather the static sounding device that pollutes underground soil sample in the stratum.
Background technology
The static sounding technology is meant the sounding rod indentation test soil layer that utilizes pressure apparatus will have contact probe; Through the native static point resistance of measurement system test, sidewall frictional resistance etc.; Can confirm some basic physico mechanical characteristic of soil, like the modulus of deformation of soil, the allowable bearing of soil etc.The static sounding technology is the history in existing more than 80 year so far.The extensive use static sounding has partly or entirely replaced probing and the sampling in the engineering investigation in the world.China at first succeeded in developing the electric measuring type static sounding and is applied to prospecting in nineteen sixty-five.Along with the fast development of sensor technology, a lot of new static sounding technology occurred in recent years, these technology can obtain pore water pressure, seismic wave, pollutant proterties, temperature even the image of soil layer quickly and accurately.It is widely used in the environmental geotechnical field abroad.Along with rapid economy development; The quickening of urbanization and process of industrialization; Soil pollution is more and more serious, and the ground circle environment that we depend on for existence goes from bad to worse, and environmental geotechnical engineering problems has become China's geotechnical engineering and Environmental Engineering worker important research project.Since 20th century the mid-80; In the static sounding technology abroad; The multi-functional probe that can be used for sample collecting has had very big development, and along with the development of environmental geotechnical, international many mechanisms have developed the novel sensor that is used for CPT; Further strengthened the CPT technology in contaminated site evaluation and environmental geotechnical Application for Field, promoted CPT to development multi-functional, multi-field direction.China starts to walk than later in the research of novel static sounding sensor; Domestic widely used single doube bridge static sounding does not have the function of sampling at present; Therefore in the geotechnical engineering and Environmental Engineering problem that need be confirmed relevant parameter by laboratory test, traditional static sounding technology can not satisfy this requirement.Therefore, but to press static sounding probe be very significant in the multi-functional environment hole of development soil sampling.
Summary of the invention
Technical problem:The technical problem that the utility model will solve is the defective that exists to the quiet spy technology of domestic existing single doube bridge, presses static sounding probe but propose a kind of environment hole that can be used for the soil sampling of environmental area.
Technical scheme:It is feeler lever that but the main position of static sounding probe is pressed in the environment hole of the soil sampling of the utility model, and the top of feeler lever is a catch bar, and catch bar is connecting rod down; Be with the hollow cylinder probe tube in the connecting rod outside, be set with the truncated cone groove at the top of hollow cylinder probe tube, the truncated cone inside grooves is equipped with ball catch; In the bottom of truncated cone groove is the cylindrical sampler space, and its inwall is provided with nylon sleeve, is set with stopper slot in the connecting rod bottom; Be provided with 3-component earthquake detector below the stopper slot; Be inclinometer below 3-component earthquake detector, the sidewall friction tube is positioned at the below of inclinometer, is provided with temperature pick up at the middle part of sidewall friction tube; Below the sidewall friction tube, be connected with the circular cone probe, hole press filtration ring is positioned at the junction of sidewall friction tube and circular cone probe.
The cone angle of described circular cone probe is 60 °, and the awl basal cross section is long-pending to be 10 cm
2, sidewall friction tube surface area 150 cm
2
Described hollow cylinder probe tube internal diameter is 36mm, and external diameter is 50mm, length 100cm, and the bottom is provided with cutting head.
The top of described hollow cylinder probe tube hollow trapezoidal groove upper bottom surface length is 15mm, and bottom surface length is 7mm, and height is 20mm.。
Described ball catch diameter is 10mm.
Described stopper slot, its upper bottom surface are 7mm, and bottom surface is 15mm, highly are 7mm.
The concrete operations step of extracting soil sample is:
1. will pop one's head in injection to the degree of depth of appointment, stop injection then;
2. with proposing withdrawal on the feeler lever 1, make the stopper slot 1.3 of connecting rod 1.2 bottoms relative with the groove at hollow cylinder probe tube 2 tops, ball catch embeds between two grooves, makes feeler lever 1 injection separately;
3. continue down injection probe, soil sample is got in the hollow probe tube 2, obtain stopping injection after the soil sample;
4. sampler is fetched the face of land, remove probe apparatus, and soil sample is taken out sealing preserve, then cleaning equipment;
5. sampling finishes, and can repeat the sampling that said process carries out another degree of depth.
Beneficial effect:The utility model has solved the defective that the quiet spy of domestic existing single doube bridge technology can not soil sampling, can take out soil sample in the designated depth in the maximum depth of penetration, the soil sample of the taking-up physical property of soil that can maintain the original state, and avoid the people directly to contact soil sample.
Description of drawings
Fig. 1 is the component arrangement figure of the utility model;
Wherein have: catch bar 1.1, connecting rod 1.2, stopper slot 1.3, hollow cylinder probe tube 2, ball catch 3, nylon sleeve 4,3-component earthquake detector 5, inclinometer 6, sidewall friction tube 7, temperature pick up 8, hole press filtration ring 9, circular cone probe 10.
The specific embodiment
But the environment hole of the soil sampling of the utility model presses static sounding probe to comprise: feeler lever 1 (comprising catch bar 1.1, connecting rod 1.2, stopper slot 1.3), hollow cylinder probe tube 2, ball catch 3, nylon sleeve 4,3-component earthquake detector 5, inclinometer 6, sidewall friction tube 7, temperature pick up 8, hole press filtration ring 9, circular cone probe 10.
This main position of popping one's head in is a feeler lever, and the top of feeler lever is a catch bar 1.1, and catch bar is for 1.1 times a connecting rod 1.2; Be with hollow cylinder probe tube 2 in connecting rod 1.2 outsides, be set with the truncated cone groove at the top of hollow cylinder probe tube 2, the truncated cone inside grooves is equipped with ball catch 3; In the bottom of truncated cone groove is the cylindrical sampler space, and its inwall is provided with nylon sleeve 4, is set with stopper slot 1.3 in connecting rod 1.2 bottoms; Be provided with 3-component earthquake detector 5 below the stopper slot 1.3; Be inclinometer 6 below 3-component earthquake detector 5, sidewall friction tube 7 is positioned at the below of inclinometer 6, is provided with temperature pick up 8 at the middle part of sidewall friction tube 7; Below sidewall friction tube 7, be connected with circular cone probe 10, hole press filtration ring 9 is positioned at the junction of sidewall friction tube 7 and circular cone probe 10.
The function of this probe is integrated conventional static sounding, seismic wave static sounding (can survey end resistance, frictional resistance, inclination, hole presses and seismic wave) and get the function of underground soil sample has further developed the content of multi-functional CPTU technology.
The concrete operations step of extracting soil sample is:
1. will pop one's head in injection to the degree of depth of appointment, stop injection then;
2. with proposing withdrawal on the feeler lever, make the stopper slot 1.3 of connecting rod 1.2 bottoms relative with the groove at hollow cylinder probe tube 2 tops, ball catch embeds between two grooves, makes feeler lever injection separately;
3. continue down injection probe, soil sample is got in the hollow probe tube 2, obtain stopping injection after the soil sample;
4. sampler is fetched the face of land, remove probe apparatus, and soil sample is taken out sealing preserve, then cleaning equipment;
5. sampling finishes, and can repeat the sampling that said process carries out another degree of depth.
Claims (6)
1. but static sounding probe is pressed in the environment hole of a soil sampling, it is characterized in that in this probe that the top of feeler lever is catch bar (1.1), and the bottom is connecting rod (1.2); Be with hollow cylinder probe tube (2) in connecting rod (1.2) outside; Top at hollow cylinder probe tube (2) is set with the truncated cone groove; The truncated cone inside grooves is equipped with ball catch (3); In the bottom of truncated cone groove is the cylindrical sampler space, and cylindrical sampler space inwall is provided with nylon sleeve (4), is set with stopper slot (1.3) in connecting rod (1.2) bottom; Be provided with 3-component earthquake detector (5) below the stopper slot (1.3); In the below of 3-component earthquake detector (5) is inclinometer (6), and sidewall friction tube (7) is positioned at the below of inclinometer (6), is provided with temperature pick up (8) at the middle part of sidewall friction tube (7); Be connected with circular cone probe (10) in the below of sidewall friction tube (7), hole press filtration ring (9) is positioned at the junction of sidewall friction tube (7) and circular cone probe (10).
2. but static sounding probe is pressed in the environment hole of soil sampling according to claim 1, it is characterized in that the cone angle of circular cone probe (10) is 60 °, and the awl basal cross section is long-pending to be 10 cm
2, sidewall friction tube (7) surface area 150 cm
2
3. but static sounding probe is pressed in the environment hole of soil sampling according to claim 1, and the internal diameter that it is characterized in that hollow cylinder probe tube (2) is 36mm, and external diameter is 50mm, length 100cm, and its bottom is provided with cutting head.
4. but static sounding probe is pressed in the environment hole of soil sampling according to claim 1, it is characterized in that the top truncated cone groove upper bottom surface length of hollow cylinder probe tube (2) is 15mm, and bottom surface length is 7mm, and height is 20mm.
5. but static sounding probe is pressed in the environment hole of soil sampling according to claim 1, it is characterized in that ball catch (3) diameter is 10mm.
6. but static sounding probe is pressed in the environment hole of soil sampling according to claim 1, it is characterized in that the cylindrical width of the stopper slot (1.3) of connecting rod (1.2) bottom is 15mm, and interior round width is 7mm, and groove depth is 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205184889U CN202390824U (en) | 2011-12-13 | 2011-12-13 | Environmental pore pressure static sounding probe capable of sampling soil sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205184889U CN202390824U (en) | 2011-12-13 | 2011-12-13 | Environmental pore pressure static sounding probe capable of sampling soil sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202390824U true CN202390824U (en) | 2012-08-22 |
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ID=46665760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205184889U Expired - Fee Related CN202390824U (en) | 2011-12-13 | 2011-12-13 | Environmental pore pressure static sounding probe capable of sampling soil sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202390824U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518108A (en) * | 2011-12-13 | 2012-06-27 | 东南大学 | Ambient pore pressure static sounding probe capable of sampling soil |
| CN103255757A (en) * | 2013-06-03 | 2013-08-21 | 东南大学 | Energy environment static sounding probe capable of measuring deep soil temperatures |
| CN103437335A (en) * | 2013-07-01 | 2013-12-11 | 浙江大学 | Feeler-lever-less self-walking static cone penetrometer |
| CN104975593A (en) * | 2015-04-19 | 2015-10-14 | 田庄 | Static sounding type deep soil samplers |
| CN110004904A (en) * | 2019-04-24 | 2019-07-12 | 天津大学 | A kind of soil sampler for static cone penetration equipment |
-
2011
- 2011-12-13 CN CN2011205184889U patent/CN202390824U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518108A (en) * | 2011-12-13 | 2012-06-27 | 东南大学 | Ambient pore pressure static sounding probe capable of sampling soil |
| CN103255757A (en) * | 2013-06-03 | 2013-08-21 | 东南大学 | Energy environment static sounding probe capable of measuring deep soil temperatures |
| CN103437335A (en) * | 2013-07-01 | 2013-12-11 | 浙江大学 | Feeler-lever-less self-walking static cone penetrometer |
| CN104975593A (en) * | 2015-04-19 | 2015-10-14 | 田庄 | Static sounding type deep soil samplers |
| CN110004904A (en) * | 2019-04-24 | 2019-07-12 | 天津大学 | A kind of soil sampler for static cone penetration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20131213 |