CN217325297U - Test device for measuring hammering energy of dynamic sounding - Google Patents
Test device for measuring hammering energy of dynamic sounding Download PDFInfo
- Publication number
- CN217325297U CN217325297U CN202220210499.9U CN202220210499U CN217325297U CN 217325297 U CN217325297 U CN 217325297U CN 202220210499 U CN202220210499 U CN 202220210499U CN 217325297 U CN217325297 U CN 217325297U
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- dynamic sounding
- rod piece
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- test device
- hammering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides a widely applicable testing device for measuring the hammering energy of dynamic sounding, wherein a measuring element can be detachably installed and is suitable for dynamic sounding equipment with various models; the measuring element is arranged in the empty space in the bottom dynamic sounding rod piece, so that the problem of interference of the soil layer on the measuring element is solved; by installing measuring elements on the top dynamic sounding rod piece and the bottom dynamic sounding rod piece respectively, the hammering energy actually transmitted to the soil body can be determined; this test device that dynamic sounding hammering can be measured surveys hammering can attenuation value accurately for dynamic sounding is suitable for degree of depth greatly increased, has increased dynamic sounding application scope, has improved the reliability of surveying the data, can effectively improve dynamic sounding experimental work efficiency.
Description
Technical Field
The utility model belongs to the geotechnical engineering field especially relates to a test device for dynamic sounding hammering energy measurement.
Background
The dynamic penetration test has the unique advantages of simple equipment, convenient operation and strong applicability and is widely applied to soil body exploration. There have been many mature conclusions about the study of dynamic sounding tests in the ground soil. However, dynamic sounding tests have been applied to offshore fields in practical engineering. At present, the related tests related to offshore dynamic sounding test are few, and systematic research is lacked. The engineering industry generally can give a corresponding rod length correction factor based on the hammering of dynamic sounding equipment measured on site. Therefore, it is important to measure the hammering energy at the bottom of the rod. By measuring the probe force and acceleration during hammering, the energy delivered to the rod can be continuously monitored and quantified as hammering energy. However, there is little research done to measure energy at the bottom of the rod to determine energy loss along the rod.
In order to explore the specific influence of different working conditions of dynamic sounding test on the hammering energy test result, particularly the influence of marine environment on the test energy loss, and further provide a corresponding hammering number correction coefficient, improve the reliability of survey data, a test device for dynamic sounding hammering energy measurement which is widely applicable needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for dynamic sounding hammering energy measurement's test device to the not enough of existence among the prior art.
For this reason, the above-mentioned purpose of the present invention is achieved by the following technical solutions:
a test device for measuring hammering energy of dynamic sounding comprises a top dynamic sounding rod piece and a bottom dynamic sounding rod piece;
the bottom dynamic sounding rod piece is internally provided with a cavity, and a measuring element is accommodated in the cavity;
the top dynamic sounding rod piece is provided with a measuring element;
the top dynamic sounding rod piece is detachably connected to the top of the dynamic sounding instrument, and the bottom dynamic sounding rod piece is detachably connected to the bottom of the dynamic sounding instrument.
When adopting above-mentioned technical scheme, the utility model discloses can also adopt or make up and adopt following technical scheme:
as the utility model discloses a preferred technical scheme: the bottom dynamic sounding rod piece comprises a left half rod piece and a right half rod piece, a first signal measurement box is installed in the left half rod piece, and a second signal measurement box is installed in the right half rod piece.
As the utility model discloses a preferred technical scheme: the first signal measuring box has a higher level than the second signal measuring box.
As the utility model discloses a preferred technical scheme: and strain gauges and accelerometers are arranged in the first signal measuring box and the second signal measuring box.
As the utility model discloses a preferred technical scheme: the strain gauge and the accelerometer are connected to a signal acquisition instrument through signal transmission lines.
As the utility model discloses an preferred technical scheme: and a third signal measuring box and a fourth signal measuring box are arranged on the outer side of the top dynamic sounding rod piece.
As the utility model discloses a preferred technical scheme: the third signal measuring box and the fourth signal measuring box are at the same level.
As the utility model discloses a preferred technical scheme: and strain gauges and accelerometers are arranged in the third signal measurement box and the fourth signal measurement box.
As the utility model discloses a preferred technical scheme: the strain gauge and the accelerometer are connected to a signal acquisition instrument through a signal transmission line
The utility model provides a test device for power sounding hammering energy measurement has following beneficial effect:
the utility model provides a widely applicable testing device for measuring the hammering energy of dynamic sounding, wherein a measuring element can be detachably installed and is suitable for dynamic sounding equipment with various models; the measuring element is arranged in the empty space in the bottom dynamic sounding rod piece, so that the problem of interference of a soil layer on the measuring element is solved; by installing measuring elements on the top dynamic sounding rod piece and the bottom dynamic sounding rod piece respectively, the hammering energy actually transmitted to the soil body can be determined; the test device for measuring the hammering energy of the dynamic sounding can accurately measure the attenuation value of the hammering energy, so that the application depth of the dynamic sounding is greatly increased, the application range of the dynamic sounding is enlarged, the reliability of surveying data is improved, and the working efficiency of a dynamic sounding test can be effectively improved.
Drawings
Fig. 1a is a schematic view of a bottom dynamic sounding rod provided by the present invention;
fig. 1b is a cut-away view of the bottom dynamic sounding rod member provided by the present invention;
fig. 2 is a schematic view of a top dynamic sounding rod provided by the present invention;
FIG. 3 is a wire bond diagram of a bottom dynamic sounding rod;
FIG. 4 is a wire bond diagram of a top dynamic sounding rod;
in the figure: 1. a bottom dynamic sounding rod member; 2. a left half bar; 3. a right half bar member; 4. a first signal measurement box; 5. a second signal measurement box; 6. an outer hexagon bolt; 7. a strain gauge; 8. an accelerometer; 9. an outer hexagon bolt; 10. a signal transmission line; 11. a signal line fixing bolt; 12. a top dynamic sounding rod member; 13. opening a hole in the signal wire; 14. a third signal measurement box; 15. a fourth signal measurement box.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to the attached drawings, the test device for measuring the hammering energy of the dynamic sounding comprises two standard dynamic sounding rod pieces 1, 12 and a bottom dynamic sounding rod piece, wherein the standard dynamic sounding rod pieces are provided with measuring elements;
the middle of the bottom dynamic sounding rod piece 1 is cut and divided into a left half rod piece 2 and a right half rod piece 3; a first signal measuring box 4 is arranged in the left half rod piece 2; a second signal measuring box 5 is arranged in the right half rod piece 3; the first signal measuring box 4 and the second signal measuring box 5 are both provided with a strain gauge 7 and an accelerometer 8;
and a third signal measuring box 14 and a fourth signal measuring box 15 are arranged on the outer side of the top dynamic sounding rod piece 12, and a strain gauge and an accelerometer are also arranged in the third signal measuring box 14 and the fourth signal measuring box 15.
The signal measuring box 14 and the signal measuring box 15 are fixed to the left and right sides of the top dynamic sounding rod member 12, respectively, using the outer hexagonal bolts 9.
The strain gauge 7 is fixed to the signal measuring box using an outer hexagon bolt 6.
The accelerometer 8 is connected into the signal acquisition device using a signal transmission line 10.
The signal transmission line 10 is fixed inside the right half bar 3 using a signal line fixing bolt 11.
And a signal line opening 13 is formed in the side wall of the top dynamic sounding rod piece 12, and a signal transmission line 10 connected with the strain gauges 7 and the accelerometers 8 in the first signal measurement box 4 and the second signal measurement box 5 penetrates out of the opening 13 and is connected to a signal acquisition instrument.
In order to prevent the accelerometer and the strain gauge from being damaged by water flow, glass cement is coated outside the measuring element for wrapping, and the signal measuring box is filled with the glass cement. And meanwhile, sealing the opening of the signal measuring box by glue.
The test device for measuring the hammering energy of the dynamic sounding is installed in the following mode:
the method comprises the following steps: and installing the strain gauge and the accelerometer in a signal measuring box, and installing the device box outside the top dynamic sounding rod piece by adopting a hexagon bolt to connect a signal transmission line.
Step two: the strain gauge and the accelerometer are installed in a signal measuring box, and the device box is installed on the inner side of the bottom dynamic sounding rod piece respectively by adopting a hexagon bolt and is connected with a signal transmission line.
Step three: and respectively connecting and installing the power sounding single-section rod piece and the top and the bottom of the power sounding instrument, arranging a signal transmission line, and connecting the signal line to a signal acquisition instrument.
Step four: and balancing and resetting the signal acquisition instrument, recording the reading, and carrying out hammering test on the dynamic sounding rod piece according to the operation requirement.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a test device that is used for dynamic sounding hammering energy to measure which characterized in that: the test device for measuring the hammering energy of the dynamic sounding comprises a top dynamic sounding rod piece and a bottom dynamic sounding rod piece;
the bottom dynamic sounding rod piece is internally provided with a cavity, and a measuring element is accommodated in the cavity;
the top dynamic sounding rod piece is provided with a measuring element;
the top dynamic sounding rod piece is detachably connected to the top of the dynamic sounding instrument, and the bottom dynamic sounding rod piece is detachably connected to the bottom of the dynamic sounding instrument.
2. The test device for dynamic sounding hammering energy measurement of claim 1, wherein: the bottom dynamic sounding rod piece comprises a left half rod piece and a right half rod piece, a first signal measurement box is installed in the left half rod piece, and a second signal measurement box is installed in the right half rod piece.
3. The test device for dynamic sounding hammering energy measurement of claim 2, wherein: the first signal measuring box has a higher level than the second signal measuring box.
4. A test device for dynamic sounding hammering energy measurement according to claim 2 or 3, characterised in that: and strain gauges and accelerometers are arranged in the first signal measurement box and the second signal measurement box.
5. The test device for dynamic sounding hammering energy measurement of claim 4, wherein: the strain gauge and the accelerometer are connected to a signal acquisition instrument through signal transmission lines.
6. The test device for dynamic sounding hammering energy measurement of claim 1, wherein: and a third signal measuring box and a fourth signal measuring box are arranged on the outer side of the top dynamic sounding rod piece.
7. The test device for dynamic sounding hammering energy measurement of claim 6, wherein: the third signal measuring box and the fourth signal measuring box are at the same level.
8. Test device for dynamic sounding hammering energy measurement according to claim 6 or 7, characterized in that: and strain gauges and accelerometers are arranged in the third signal measuring box and the fourth signal measuring box respectively.
9. The test device for dynamic sounding hammering energy measurement of claim 8, wherein: the strain gauge and the accelerometer are connected to a signal acquisition instrument through signal transmission lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220210499.9U CN217325297U (en) | 2022-01-26 | 2022-01-26 | Test device for measuring hammering energy of dynamic sounding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220210499.9U CN217325297U (en) | 2022-01-26 | 2022-01-26 | Test device for measuring hammering energy of dynamic sounding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217325297U true CN217325297U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220210499.9U Active CN217325297U (en) | 2022-01-26 | 2022-01-26 | Test device for measuring hammering energy of dynamic sounding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217325297U (en) |
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2022
- 2022-01-26 CN CN202220210499.9U patent/CN217325297U/en active Active
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