CN206056769U - A kind of pedestal - Google Patents
A kind of pedestal Download PDFInfo
- Publication number
- CN206056769U CN206056769U CN201620862602.2U CN201620862602U CN206056769U CN 206056769 U CN206056769 U CN 206056769U CN 201620862602 U CN201620862602 U CN 201620862602U CN 206056769 U CN206056769 U CN 206056769U
- Authority
- CN
- China
- Prior art keywords
- base
- rod
- sensor
- rock
- movable plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title abstract 5
- 238000012360 testing method Methods 0.000 claims abstract description 33
- 239000002689 soil Substances 0.000 claims abstract description 31
- 239000011435 rock Substances 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
This utility model provides a kind of pedestal, and the pedestal includes：Fixed base station, one end of the fixed base station is connected with portable plate；High bar is connect, described one end for connecing high bar is connected with the other end of the fixed base station；For testing the sensor of different depth Rock And Soil vibration signal, the sensor is arranged on the fixed base station；For the pedestal to be screwed in the drill steel of the Rock And Soil, one end of the drill steel is connected with the other end for connecing high bar；Wherein, it is described to connect high bar there are different length；Thus, only point layout need to can be completed using force application part, because the pedestal also includes fixing by gross bearings part and direction calibration part, the measurement direction and orientation of transducer arrangements is it is hereby ensured, and then obtains high-precision Rock And Soil vibration signal.
Description
Technical Field
The utility model belongs to the technical field of the ground test, especially, relate to a base.
Background
In the field rock-soil mass vibration test, a test sensor is generally used for collecting rock-soil signals.
In the prior art, the fixing mode of the vibration test sensor on the measuring point is generally to fix the sensor on the tested rock-soil body test part directly by adopting gypsum and 502 glue. This method has four disadvantages: firstly, the fixing effect is poor for the rock and soil medium with loose earth surface; secondly, for a measuring point position with a certain coating thickness, the measuring point position needs to be excavated, so that the additional workload of the test is increased; thirdly, for special environments, such as tunnels containing ponding water, environments where short-term or perennial ponding water (such as depression and stream) exists on the earth surface and the like which are not suitable for the working of the sensor, environments where the sensor is difficult to place such as the side walls of the tunnels and the rock-soil body and the like, the normal working of the sensor is blocked; fourthly, for the vibration signal at a certain depth of the rock-soil mass to be tested, if the sensor is directly fixed on the earth surface of the measuring point without excavating to the measuring point, the measured vibration signal can not truly reflect the signal at the measuring point.
In addition, there are certain requirements on the test direction and orientation of the sensor arrangement, for example, the direction is required to be horizontal and vertical, and the test orientation is uniform, but in the field, the arrangement is generally manually estimated. The testing direction and the orientation of the sensor arrangement have important influence on the testing result, and the direction and the orientation have overlarge deviation, even data failure can be caused, so that the sensor arrangement cannot be used.
In view of the above, there is a need for a base to fix a test sensor, so as to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the embodiment of the utility model provides a base for when utilizing the vibration signal of test sensor test ground body among the solution prior art, the loaded down with trivial details and inaccurate technical problem of test data who obtains of fixed test sensor's mode.
The utility model provides a base, base includes:
one end of the fixed base platform is connected with the movable plate;
one end of the height connecting rod is connected with the other end of the fixed base station;
the sensor is arranged on the fixed base station and used for testing a vibration signal of a rock-soil body;
one end of the drill rod is connected with the other end of the heightening rod and is used for screwing the base into the rock-soil body; wherein,
the drill rod is screwed into a preset depth by utilizing the heightening rods with different lengths, and the sensor can acquire vibration signals of rock and soil masses with different depths.
In the above aspect, the fixed base includes:
one end of the fixed plate is connected with the movable plate through a first screw rod;
and one end of the base block is connected with the other end of the fixing plate.
In the above solution, the base further includes: and one end of the drill rod is connected with the other end of the heightening rod through the heightening cylinder.
In the above solution, the base further includes: an orientation positioning member mounted at one end of the movable plate.
In the above solution, the base further includes: a direction alignment member mounted on the movable plate and located at one side of the direction alignment member.
In the above solution, the orientation positioning component specifically includes: a compass.
In the foregoing solution, the direction calibration component specifically includes: a vertically elongated vial.
In the above solution, the base further includes: and the force application component is connected with one end of the heightening rod before the fixed base station is connected with the heightening rod.
In the above aspect, the force application member includes:
the circular ring is connected with the sleeve;
and the second screw rod penetrates through the sleeve and is respectively connected with the screw holes of the heightening rod and the drill rod.
In the above scheme, the movable plate, the fixed plate and the base block are all provided with slot holes for dredging the wiring of the sensor.
The utility model provides a base, base includes: one end of the fixed base platform is connected with the movable plate; one end of the height connecting rod is connected with the other end of the fixed base station; the sensor is used for testing vibration signals of rock and soil masses at different depths and is arranged on the fixed base station; the drill rod is used for screwing the base into the rock-soil body, and one end of the drill rod is connected with the other end of the heightening rod; wherein the tie-rods have different lengths; therefore, the measuring point arrangement can be completed only by utilizing the force application component, and the base further comprises the azimuth positioning component and the azimuth calibration component, so that the testing direction and azimuth of the sensor arrangement can be ensured, and further high-precision rock and soil mass vibration signals can be acquired.
Drawings
Fig. 1 is a schematic overall structural diagram of a base according to an embodiment of the present invention;
fig. 2 is a top view of a movable plate according to an embodiment of the present invention;
fig. 3 is a top view of a fixing base station according to an embodiment of the present invention;
fig. 4 is a side view of a highrod according to an embodiment of the present invention;
fig. 5 is a top view of an elevation rod according to an embodiment of the present invention;
FIG. 6 is a side view of a drill rod provided by an embodiment of the present invention;
FIG. 7 is a top view of a drill rod provided by an embodiment of the present invention;
fig. 8 is a top view of an elevation cylinder according to an embodiment of the present invention;
fig. 9 is a plan view of a force application member according to an embodiment of the present invention.
Description of reference numerals:
1-a movable plate; 2-connecting a high rod; 3-a sensor; 4-a drill rod; 5, fixing a plate; 6-base block; 7-connecting a high cylinder; 8-an orientation positioning component; 9-a directional alignment feature; 10-ring; 11-a sleeve; 12-second screw.
Detailed Description
When utilizing the vibration signal of test sensor test ground body, the loaded down with trivial details and not accurate technical problem of test data who obtains of the mode of fixing test sensor in order to solve, the utility model provides a base, the base includes: one end of the fixed base platform is connected with the movable plate; one end of the height connecting rod is connected with the other end of the fixed base station; the sensor is used for testing vibration signals of rock and soil masses at different depths and is arranged on the fixed base station; the drill rod is used for screwing the base into the rock-soil body, and one end of the drill rod is connected with the other end of the heightening rod; wherein the tie-rods have different lengths.
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
The present embodiment provides a base, as shown in fig. 1, the base includes: the device comprises a fixed base station, a movable plate 1, a heightening rod 2, a sensor 3 and a drill rod 4; wherein,
one end of the fixed base station is connected with the movable plate 1; one end of the heightening rod 2 is connected with the other end of the fixed base station; the sensor 3 is arranged on the fixed base station and used for testing a vibration signal of a rock-soil body; one end of the drill rod 4 is connected with the other end of the heightening rod 2 and is used for screwing the base into the rock-soil body. The sensor 3 is a vibration measuring sensor.
Specifically, referring to fig. 1, the fixing base includes: a fixed plate 5, a base block 6 and a heightening cylinder 7; the fixed plate 5 is provided with two first screw rods along a diagonal line, one corner of the fixed plate 5 is connected with one corner of the movable plate 1 through the first screw rods, and the other corner of the fixed plate 5 is connected with the other corner of the movable plate 1 through the first screw rods; one end of the base block 6 is connected with the other end of the fixing plate 5, and the other end of the base block 6 is connected with one end of the heightening rod 2 through threads. One end of the drill rod 4 is connected with the other end of the heightening rod 2 through the heightening cylinder 7.
Referring to fig. 2, a slot hole is formed in the movable plate 1 for dredging the wiring of the sensor 3; in this embodiment, the diameter of the slot hole is 2cm, and the thickness is 0.5 cm. The height of the center of the movable plate 1 is 0.5cm, the thickness of the movable plate is 0.2cm, and the movable plate 1 is further provided with a wing wall with an inner edge length of 6cm so as to limit the displacement of the sensor 3. In other embodiments, the diameter, thickness of the slot hole; the height, the thickness and the side length of the wing wall of the movable plate 1 can be set according to actual requirements.
Referring to fig. 3, a groove hole is formed in the fixed base for dredging the wiring of the sensor 3; the diameter of the groove hole is 2cm, and the thickness of the groove hole is 0.5 cm.
Referring to fig. 4 and 5, one end of the height-increasing rod 2 is further provided with three screw holes and threads, in this embodiment, the diameter of the threads is 2.5cm, and the outer diameter of the height-increasing rod 2 is 5 cm. And the height connecting rod 2 is also provided with scale marks. In other embodiments, the thread diameter and the outer diameter of the heightening rod 2 can be set according to actual needs.
Referring to fig. 6 and 7, one end of the drill rod 4 is also provided with three screw holes and threads, and in the embodiment, the length of the drill rod 4 is 25cm, and the tapered portion of the other end is 10 cm. The drill rod 4 is also provided with scale marks. In other embodiments, the length of the drill rod 4 and the length of the tapered portion may be set according to actual needs.
Referring to fig. 8, in the present embodiment, the length of the height-connecting cylinder 7 is 5cm, the inner diameter is 1.5cm, and the outer diameter is 5 cm; in other embodiments, the length, the inner diameter and the outer diameter of the drill rod connecting barrel 7 can be set according to actual needs.
Here, in order to measure a vibration signal of the rock-soil body at different coating thicknesses or water depths, the elevation rod 2 may include a plurality of elevation rods 2, and the lengths of the elevation rods 2 are different.
Further, in order to ensure the direction and orientation of installation of the sensor 3, the base further comprises: an azimuth alignment unit 8 and a direction alignment unit 9; wherein, the orientation positioning component 8 is installed at one end of the movable plate 1, the direction alignment component 9 is installed on the movable plate 1 and is located at one side of the direction alignment component 8, and the direction alignment component 8 may include two components, and is installed on the movable plate 1 perpendicularly to each other. The azimuth alignment component 9 may specifically include: a compass; the direction calibration component may specifically include: a vertically elongated vial.
Here, in order to facilitate screwing the base into the rock-soil mass, the base further includes: and the force application component can be used for connecting one end of the heightening rod 2 with the force application component before the fixed base station is connected with the heightening rod 2 so as to screw the base into the rock-soil body.
Specifically, the force application member may be a screwing handwheel, as shown in fig. 9, and includes: a circular ring 10, a sleeve 11 and a second screw 12; wherein,
the circular ring 10 is connected with the sleeve 11; the second screw 12 passes through the sleeve 11 and is respectively connected with the screw holes of the heightening rod 2 and the drill rod 4. The second screw may include three screws.
Here, the movable plate 1, the heightening rod 2, the sensor 3, the drill rod 4, the fixed plate 5, the base block 6, the heightening cylinder 7 and the force application member may be made of a common carbon structural steel having a density of 7.85g/cm3, an elastic modulus of 200GPa, a poisson's ratio of 0.3 and a tensile strength of 420MPa, or may be made of a low carbon steel or a stainless steel.
In practical application, the number of height connecting rods 2 with proper length is selected according to the distance between the position of a measuring point in a rock-soil body and the ground surface, the selected height connecting rods 2 are connected with a drill rod 4 by utilizing a height connecting cylinder 7, the thickness of a measuring point coating is marked on the drill rod 4, finally a force application component is connected on the height connecting rod 2 at the end part, the drill rod 4 and the height connecting rods 2 are screwed into a specified depth position in a spinning and smashing mode, the mark on the rod piece is taken as the standard, then the force application component is detached, a fixed base platform is connected with one end of the height connecting rod 2, a sensor 3 is installed and fixed on the fixed base platform, finally the horizontal vertical square is adjusted by a vertical strip leveling bubble on a movable plate 1, the orientation of a compass 8 on the movable plate 1 is recorded, and after the adjustment is finished, the vibration signal of the depth is collected by the sensor. Wherein, the base can acquire vibration signals when the rock-soil depth is 25cm, 30cm, 35cm, 40cm, 45cm, 50cm and 55 cm.
The base arranged vibration measurement sensor provided by the utility model can test the vibration signal at a certain position in the rock-soil body, and compared with the excavation method, the measurement points are arranged without excavation or only with extremely small excavation amount, and compared with the point distribution method directly arranged on the surface of the rock-soil body above the test points, the measurement points are more accurate, and the obtained test result can more accurately reflect the signal at the test points; meanwhile, the vibration measuring sensor is arranged by adopting the base device, so that the arrangement of measuring points can be finished without other tools in the field, and the vibration measuring sensor can be conveniently arranged in tunnels with accumulated water, rock-soil bodies, side walls of the tunnels or the rock-soil and other environments which are difficult to adapt to the use conditions of the sensor and are inconvenient to arrange the sensor; in loose rock-soil body media, such as strongly weathered rock masses and residual slope accumulation, the problem that the sensor is not easy to connect and fix can be better solved; the horizontal and vertical direction and the test direction can be adjusted, so that the test direction of the sensor can reflect the real direction more accurately, the test direction of the sensor array can be synchronized more accurately, and the manual operation is facilitated under the condition that fewer field tools are used.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A base, comprising:
one end of the fixed base platform is connected with the movable plate;
one end of the height connecting rod is connected with the other end of the fixed base station;
the sensor is used for testing vibration signals of rock and soil masses at different depths and is arranged on the fixed base station;
the drill rod is used for screwing the base into the rock-soil body, and one end of the drill rod is connected with the other end of the heightening rod; wherein the tie-rods have different lengths.
2. The base of claim 1, wherein the fixed abutment comprises:
one end of the fixed plate is connected with the movable plate through a first screw rod;
and one end of the base block is connected with the other end of the fixing plate.
3. The base of claim 1, wherein the base further comprises: and one end of the drill rod is connected with the other end of the heightening rod through the heightening cylinder.
4. The base of claim 1, wherein the base further comprises: an orientation positioning member mounted at one end of the movable plate.
5. The base of claim 4, wherein the base further comprises: a direction alignment member mounted on the movable plate and located at one side of the direction alignment member.
6. The base of claim 4, wherein the orientation positioning component specifically comprises: a compass.
7. The base of claim 5, wherein the orientation alignment component specifically comprises: a vertically elongated vial.
8. The base of claim 1, wherein the base further comprises: and the force application component is connected with one end of the heightening rod before the fixed base station is connected with the heightening rod.
9. The base of claim 8, wherein the force applying component comprises:
the circular ring is connected with the sleeve;
and the second screw rod penetrates through the sleeve and is respectively connected with the screw holes of the heightening rod and the drill rod.
10. The base of claim 2, wherein the movable plate, the fixed plate and the base block are all provided with a slot for dredging the wiring of the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620862602.2U CN206056769U (en) | 2016-08-10 | 2016-08-10 | A kind of pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620862602.2U CN206056769U (en) | 2016-08-10 | 2016-08-10 | A kind of pedestal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206056769U true CN206056769U (en) | 2017-03-29 |
Family
ID=58380459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620862602.2U Expired - Fee Related CN206056769U (en) | 2016-08-10 | 2016-08-10 | A kind of pedestal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206056769U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197645A (en) * | 2016-08-10 | 2016-12-07 | 中国地质大学（武汉） | A kind of pedestal |
| CN108225550A (en) * | 2018-01-17 | 2018-06-29 | 东北大学 | Suitable for the blasting vibration mounting frame for sensor of hard rock long term monitoring, blasting vibration measurement system and blasting vibration measurement method |
| CN114704715A (en) * | 2022-04-06 | 2022-07-05 | 重庆交通大学 | Leveling device for assisting precision measurement of low-frequency micro-vibration sensor |
| CN114812647A (en) * | 2022-03-30 | 2022-07-29 | 西北核技术研究所 | Direction-adjustable sensor mounting base and mounting method thereof |
-
2016
- 2016-08-10 CN CN201620862602.2U patent/CN206056769U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197645A (en) * | 2016-08-10 | 2016-12-07 | 中国地质大学（武汉） | A kind of pedestal |
| CN108225550A (en) * | 2018-01-17 | 2018-06-29 | 东北大学 | Suitable for the blasting vibration mounting frame for sensor of hard rock long term monitoring, blasting vibration measurement system and blasting vibration measurement method |
| CN114812647A (en) * | 2022-03-30 | 2022-07-29 | 西北核技术研究所 | Direction-adjustable sensor mounting base and mounting method thereof |
| CN114812647B (en) * | 2022-03-30 | 2024-03-12 | 西北核技术研究所 | Direction-adjustable sensor mounting seat and mounting method thereof |
| CN114704715A (en) * | 2022-04-06 | 2022-07-05 | 重庆交通大学 | Leveling device for assisting precision measurement of low-frequency micro-vibration sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20170810 |
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| CF01 | Termination of patent right due to non-payment of annual fee |