CN220284767U - Static cone penetration device - Google Patents
Static cone penetration device Download PDFInfo
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- CN220284767U CN220284767U CN202321757799.XU CN202321757799U CN220284767U CN 220284767 U CN220284767 U CN 220284767U CN 202321757799 U CN202321757799 U CN 202321757799U CN 220284767 U CN220284767 U CN 220284767U
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- 230000003068 static effect Effects 0.000 title claims abstract description 43
- 230000035515 penetration Effects 0.000 title claims description 24
- 239000000523 sample Substances 0.000 claims abstract description 47
- 239000002184 metal Substances 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009412 basement excavation Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 20
- 238000011835 investigation Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model relates to a static sounding device which comprises a metal probe and a metal drill rod which are connected with each other, wherein the static sounding device also comprises a curvature measuring sensor, a micro gyroscope, a micro pressure sensor, an electronic compass and a data terminal, the detection end of the curvature measuring sensor is arranged on the outer side of the metal probe, the micro gyroscope, the micro pressure sensor and the electronic compass are all arranged on the metal drill rod, and the curvature measuring sensor, the micro gyroscope, the micro pressure sensor and the electronic compass are all connected with the data terminal through data transmission wire harnesses. Compared with the prior art, the curvature measuring sensor is added to the probe, so that the bending angle of the probe is obtained in real time; the miniature gyroscope, the miniature pressure sensor and the electronic compass are additionally arranged at the drill rod, so that real-time data such as pressure intensity, horizontal angle, vertical angle and excavation direction of the probe can be obtained in real time, accuracy of static detection construction can be calibrated in two aspects of angle and verticality, and accuracy of static detection parameters is greatly improved.
Description
Technical Field
The utility model relates to the field of static sounding equipment, in particular to a static sounding device.
Background
In the current geotechnical engineering investigation, three common investigation means are drilling, sounding and pit sounding. And sounding is one of the main investigation means, belonging to the in-situ test method. In situ testing has several distinct advantages over other investigation methods: (1) the soil stress release in the sampling process is avoided, and the original engineering mechanical index of undisturbed soil can be obtained; (2) the soil body influence range is far larger than that of an indoor test, and the soil body influence range is more representative; (3) the construction is convenient, the construction period is fast, and the economical efficiency is high. For the above reasons, in-situ testing is widely used in engineering investigation, especially in soft soil areas, and static sounding is one of the most common in-situ testing means.
Static cone penetration test (static cone penetration test) is called static Cone Penetration Test (CPT) for short. The static sounding is to press a conical metal probe of a certain specification into foundation soil at a certain speed by a mechanical or hydraulic device, a resistance strain gauge is stuck in the probe, when the probe receives resistance in the foundation soil, the resistance strain gauge deforms to cause resistance change, and the resistance strain gauge measures the micro-strain value, so that the penetration resistance is calculated. The survey designer divides the soil layer according to the penetration resistance and determines the engineering property of the soil. The static sounding test can accurately determine the spatial distribution and engineering characteristics of various soil bodies, is simple and convenient for field operation, has short test time, and is widely applied to engineering geological investigation.
At present, the static sounding used in China mainly takes electrical measurement as a main part, and has the following obvious advantages: continuous, rapid and high in efficiency, and has dual functions of exploration and test; the automation in the test process is high, and the test result can be automatically processed by a computer. The single-bridge probe in static sounding is widely applied in China due to low sounding cost. In particular, in soft soil areas such as Shanghai, the stratum mainly comprises cohesive soil, silty soil and sandy soil, is very suitable for static detection equipment, and a large amount of engineering experience and formulas are accumulated after decades of development, so that the development of geotechnical engineering investigation industry is effectively promoted.
The current static detection equipment is mainly divided into three parts, namely: (1) a probe, namely a resistance sensor; (2) a measuring and recording instrument; (3) penetrating into a system; the device comprises a touch host and a counterforce device, and is jointly responsible for pressing a probe into the soil. The static cone penetration test vehicle widely used at present integrates the three parts into a whole, and the rest is generally a light static cone penetration test instrument. In use, the devices are typically transported to the site separately and then assembled in the site. The probe is typically connected by a cable, and the resistive sensor in the probe transmits an electrical signal to the recorder.
In actual field operation, the probe is deflected when the drill rod is inserted for various reasons, and the drill rod is difficult to find in time. The soil layer distribution and the soil layer parameters obtained in this way have larger deviation, thereby bringing larger influence on the subsequent investigation design work.
Disclosure of Invention
The utility model aims to overcome the defects that in the prior art, when a drill rod penetrates, a probe deflects and is difficult to find in time, and provides a static sounding device.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a quiet power sounding device, includes interconnect's metal probe and metal drilling rod, quiet power sounding device still includes camber measuring transducer, miniature gyroscope, miniature pressure sensor, electronic compass and data terminal, the detection end setting of camber measuring transducer is in metal probe's the outside, miniature gyroscope, miniature pressure sensor and electronic compass all set up on the metal drilling rod, camber measuring transducer, miniature gyroscope, miniature pressure sensor and electronic compass all are connected through data transmission pencil data terminal.
Further, the data transmission wire bundles are distributed along the axial direction of the metal drill rod.
Further, the detection end of the curvature measuring sensor is of a flexible belt-shaped structure, and the detection end of the curvature measuring sensor is attached to the outer side of the metal probe.
Further, the number of the curvature measuring sensors is multiple, each curvature measuring sensor is uniformly distributed on the outer side of the metal probe, and each curvature measuring sensor is located at the same radial position of the metal probe.
Further, the curvature measuring sensor is a curved soft angular displacement sensor.
Further, a groove for installing the micro gyroscope and the micro pressure sensor is formed in the metal drill rod, and the micro gyroscope and the micro pressure sensor are installed in the groove.
Further, the electronic compass is attached to the outer surface of the metal drill rod.
Further, the model of the electronic compass is CC8520.
Further, the number of the micro gyroscopes, the micro pressure sensors and the electronic compass is multiple, and the micro gyroscopes, the micro pressure sensors and the electronic compass are distributed along the axial direction of the metal drill rod.
Further, the data terminal is a visual terminal.
Compared with the prior art, the utility model has the following advantages:
(1) In view of the development of the current communication transmission technology and the intelligent electronic technology, the bending angle of the probe is obtained in real time by improving the existing static probe and adding a curvature measurement sensor to the probe; in addition, the intelligent miniature gyroscope, the intelligent miniature pressure sensor and the electronic compass are additionally arranged at the drill rod, so that real-time data such as pressure intensity, horizontal angle, vertical angle and digging direction of the probe can be obtained in real time, and the accuracy of static detection construction can be calibrated from two main aspects of angle and verticality through the display of the electronic device at the intelligent terminal, so that the penetrating angle can be effectively adjusted, more accurate soil layer parameters can be obtained, the accuracy of the static detection parameters is greatly improved, and more accurate basis is provided for subsequent engineering design.
(2) The utility model considers that the current radio is unstable in transmitting signals in soil layers, and also adopts a wired transmission technology to transmit data to the intelligent terminal in real time, thereby reducing the problem of probe deflection in static detection construction.
(3) The static detection is more convenient, and the probe offset can be adjusted in time;
(4) The working efficiency is greatly improved;
(5) The result precision is more accurate;
(6) Greatly reduces the labor intensity of static detection work;
(7) The input terminal is visualized, and the operation is simpler.
Drawings
Fig. 1 is a schematic structural diagram of a static cone penetration device according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a metal drill pipe portion of a static cone penetration device according to an embodiment of the present utility model;
in the figure, 1, a metal probe, 2, a metal drill rod, 3, a curvature measuring sensor, 4, a micro gyroscope, 5, a micro pressure sensor, 6, an electronic compass, 7, a data terminal, 8, a probe sleeve, 9, a probe tube, 10 and a data transmission wire harness.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Example 1
As shown in fig. 1 and 2, the present embodiment provides a static sounding device, including a metal probe 1 and a metal drill rod 2 that are connected to each other, the static sounding device further includes a curvature measurement sensor 3, a micro gyroscope 4, a micro pressure sensor 5, an electronic compass 6, and a data terminal 7, the detection end of the curvature measurement sensor 3 is disposed on the outer side of the metal probe 1, the micro gyroscope 4, the micro pressure sensor 5, and the electronic compass 6 are all disposed on the metal drill rod 2, and the curvature measurement sensor 3, the micro gyroscope 4, the micro pressure sensor 5, and the electronic compass 6 are all connected to the data terminal 7 through a data transmission harness 10.
Specifically, the detection end of the curvature measuring sensor 3 is a flexible belt-like structure, and the detection end of the curvature measuring sensor 3 is attached to the outside of the metal probe 1.
The number of the curvature measuring sensors 3 is multiple, each curvature measuring sensor 3 is uniformly distributed on the outer side of the metal probe 1, and each curvature measuring sensor 3 is located at the same radial position of the metal probe 1.
In this embodiment, two curvature measuring sensors 3 are oppositely arranged on the outer side of the middle axial position of the metal probe 1, the two curvature measuring sensors 3 are attached to the metal probe 1, the curvature measuring sensors 3 are bending soft angular displacement sensors, and soft angular displacement sensors developed by bond Labs are preferably adopted.
The bending soft angular displacement sensor is made of two compliant capacitances offset from the center axis and the differential capacitance is measured between the two offset capacitances throughout the entire length of the sensor. Since the output is differential, common mode signals such as tensile strain are rejected, so that the soft angular displacement sensor can measure an accurate bending angle even if common mode tensile strain is superimposed on the bending strain.
The metal drill rod 2 is internally provided with a groove for installing the micro gyroscope 4 and the micro pressure sensor 5, and the micro gyroscope 4 and the micro pressure sensor 5 are both installed in the groove and used for acquiring real-time data of pressure, horizontal angle, vertical angle and the like of the probe in real time.
Optionally, a probe sleeve 8 and a probe tube 9 are further connected between the metal probe 1 and the metal drill rod 2, a groove for installing the micro gyroscope 4 and the micro pressure sensor 5 can be formed in the probe tube 9, and part of the micro gyroscope 4 and the micro pressure sensor 5 can be installed in the groove.
The electronic compass 6 is attached to the outer surface of the metal drill rod 2, and the model of the electronic compass 6 is CC8520, so that the electronic compass 6 can be used for determining the digging direction in the static cone penetration test process and calculating information such as a magnetic north included angle, a pitch angle, a roll angle and the like.
Optionally, the number of the micro gyroscopes 4, the micro pressure sensors 5 and the electronic compass 6 is multiple, and each micro gyroscope 4, each micro pressure sensor 5 and each electronic compass 6 are distributed along the axial direction of the metal drill rod 2.
The data terminal 7 is a visual terminal, so that various data acquired by the static cone penetration device can be visually seen.
The data transmission wire bundles 10 are distributed along the axial direction of the metal drill rod 2, and the problem that the probe is deflected in static detection construction is solved by considering that the current radio is unstable in transmitting signals in soil layers and also adopting a wired transmission technology to transmit data to an intelligent terminal in real time.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a quiet power cone penetration test device, includes interconnect's metal probe (1) and metal drilling rod (2), its characterized in that, quiet power cone penetration test device still includes camber measuring transducer (3), miniature gyroscope (4), miniature pressure sensor (5), electronic compass (6) and data terminal (7), the detection end setting of camber measuring transducer (3) is in the outside of metal probe (1), miniature gyroscope (4), miniature pressure sensor (5) and electronic compass (6) all set up on metal drilling rod (2), camber measuring transducer (3), miniature gyroscope (4), miniature pressure sensor (5) and electronic compass (6) all are connected through data transmission pencil (10) data terminal (7).
2. A static cone penetration device according to claim 1, characterized in that the data transmission strands (10) are distributed along the axial direction of the metal drill rod (2).
3. The static cone penetration device according to claim 1, wherein the detection end of the curvature measuring sensor (3) is of a flexible strip-shaped structure, and the detection end of the curvature measuring sensor (3) is attached to the outer side of the metal probe (1).
4. A static cone penetration device according to claim 1, characterized in that the number of curvature measuring sensors (3) is plural, each curvature measuring sensor (3) is uniformly distributed on the outer side of the metal probe (1), and each curvature measuring sensor (3) is located at the same radial position of the metal probe (1).
5. A static cone penetration device according to claim 1, characterized in that the curvature measuring sensor (3) is a curved soft angular displacement sensor.
6. The static cone penetration device according to claim 1, wherein a groove for installing the micro gyroscope (4) and the micro pressure sensor (5) is formed in the metal drill rod (2), and the micro gyroscope (4) and the micro pressure sensor (5) are installed in the groove.
7. The static cone penetration device according to claim 1, wherein the electronic compass (6) is attached to the outer surface of the metal drill rod (2).
8. A static cone penetration device according to claim 1, characterized in that the electronic compass (6) is of model CC8520.
9. The static cone penetration device according to claim 1, wherein the number of the micro gyroscopes (4), the micro pressure sensors (5) and the electronic compass (6) is plural, and each micro gyroscope (4), each micro pressure sensor (5) and each electronic compass (6) are distributed along the axial direction of the metal drill rod (2).
10. A static cone penetration device according to claim 1, characterized in that the data terminal (7) is a visual terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321757799.XU CN220284767U (en) | 2023-07-06 | 2023-07-06 | Static cone penetration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321757799.XU CN220284767U (en) | 2023-07-06 | 2023-07-06 | Static cone penetration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220284767U true CN220284767U (en) | 2024-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321757799.XU Active CN220284767U (en) | 2023-07-06 | 2023-07-06 | Static cone penetration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220284767U (en) |
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2023
- 2023-07-06 CN CN202321757799.XU patent/CN220284767U/en active Active
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