CN209197667U - A kind of four component strain instrument of shallow bore hole - Google Patents
A kind of four component strain instrument of shallow bore hole Download PDFInfo
- Publication number
- CN209197667U CN209197667U CN201920032934.1U CN201920032934U CN209197667U CN 209197667 U CN209197667 U CN 209197667U CN 201920032934 U CN201920032934 U CN 201920032934U CN 209197667 U CN209197667 U CN 209197667U
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- Prior art keywords
- sensor
- metal cylinder
- pole plate
- plug
- sealing
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- 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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- 229910052751 metal Inorganic materials 0.000 claims abstract description 50
- 239000002184 metal Substances 0.000 claims abstract description 50
- 238000005192 partition Methods 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000035882 stress Effects 0.000 description 8
- 239000011435 rock Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model provides a kind of four component strain instrument of shallow bore hole, including sensor metal cylinder, and the upper end of the sensor metal cylinder is equipped with sealing-plug A, and lower end is equipped with sealing-plug B；Through-hole is equipped on sealing-plug A, the through-hole that cable passes through on sealing-plug A enters the inside of sensor metal cylinder, and connect with the sensor circuit board inside sensor metal cylinder；The inside of the sensor metal cylinder is set there are four sensor, and four sensors are arranged in horizontal cross, and the angle between adjacent sensors is 45 °, and the crosspoint of four sensors is located on the axis of sensor metal cylinder；Sensor is connect with the inner sidewall of sensor metal cylinder；The sensor is connect by lead with sensor circuit board.The four component strain instrument of shallow bore hole has reasonable, the avoidable sensor of design by the moist interference with air-flow, can calculate maximum principal stress and minimum principal stress and its azimuth.
Description
Technical field
The utility model relates to ground observation instrument equipment technical field, specially a kind of four component strain instrument of shallow bore hole.
Background technique
The earth strain gauge for cavern mainly based on quartzy base line telescoping instrument and indium steel wire pantograph, both
The basic mode of apparatus measures is to plan that north south is measured to, east-west direction in cavern, and concrete mode is that each direction is set
Two observation piers are set, the micro-displacement in the two block of wood central horizontal directions of measurement that install instruments.Baseline mostly does with quartz ampoule in foreign countries,
Length differs within the scope of 10-30m, and baseline mostly does with indium steel metal line in the country, and length is in 10m or more；In the above measurement, answer
Become instrument and use two north and south, thing surveys line, maximum principal stress, minimum principal stress and its direction can not be calculated；This is because cavern
Constant temperature difference it is larger, and this quasi-instrument is entered by temperature and personnel and is affected, and Long baselines deformeter frequency response is lower, right
It is poor to involve earth pulsation picking up signal ability in earthquake, in addition, process is made in cavern cutting biggish mechanical damage effect, installation
The few primary basement rock of the observation pier of instrument, most of observation pier are that the casting of later period concrete or the rectangular stone material cement of bulk are solid
It is scheduled on more complete basement rock, influences stability indicator.
Summary of the invention
In consideration of it, the utility model provides a kind of four component strain instrument of shallow bore hole, it is specially a kind of to be equipped with sensor metal
Cylinder sets in sensor metal cylinder that there are four the angles between sensor, adjacent sensors as 45 ° of four component strain of shallow bore hole
Instrument.The four component strain instrument of shallow bore hole has reasonable, the avoidable sensor of design by the moist interference with air-flow, can calculate maximum
Principal stress and minimum principal stress and its azimuth.
On the basis of existing technology, the utility model provides a kind of four component strain instrument of shallow bore hole, including sensor gold
Belong to cylinder,
The upper end of the sensor metal cylinder is equipped with sealing-plug A, and lower end is equipped with sealing-plug B；Wherein it is equipped on sealing-plug A
Through-hole；The through-hole that cable passes through on sealing-plug A enters the inside of sensor metal cylinder, and with the sensing inside sensor metal cylinder
The connection of device circuit board；
The inside of the sensor metal cylinder is set there are four sensor, and four sensors are arranged in horizontal cross, adjacent biography
Angle between sensor is 45 °, and the crosspoint of four sensors is located on the axis of sensor metal cylinder；Sensor and sensor
The inner sidewall of metal cylinder connects；
The sensor is connect by lead with sensor circuit board.
Preferably, the sensor include sequentially connected small pole plate sleeve, it is small pole plate ceramics pole, small capacitances pole plate, big
Capacitor plate, big pole plate ceramics pole and big pole plate sleeve；Wherein, small pole plate sleeve and big pole plate sleeve respectively with sensor metal
The inner sidewall connection of cylinder；Small capacitances pole plate and bulky capacitor pole plate pass through small pole plate lead and big pole plate lead and sensor electricity respectively
The connection of road plate；When sensor metal cylinder is squeezed and deformed, the deformation of cylinder is converted to voltage signal and exported by sensor.
It preferably, is the leakproofness for improving deformeter, the internal sleeve of the sensor metal cylinder is equipped with the connection of truncated cone-shaped
Cylinder, connecting cylinder are located at the nearly upper end opening of sensor metal cylinder, and sealing-plug A is sealed the upper end opening of connecting cylinder；By
It is less than lower ending opening diameter in the connecting cylinder upper end opening diameter of truncated cone-shaped, after can avoid deformeter installation, the water of top is being answered
Become the aggregation of instrument periphery, improves the service life of deformeter.
The connecting cylinder is stainless steel cylinder, forms the entirety of sealing with sealing-plug A, sensor metal cylinder and sealing-plug B, makes
Sensor is in dry, airless interference closed environment, improves the stability for process of having surveyed.
Preferably, the inside of the sensor metal cylinder is equipped with partition, and partition is located at the top of sensor, sensor circuit
Plate is located on partition；Improve the sensitivity of sensor signal detection.
Preferably, it is the leakproofness for further increasing deformeter, improves its internal humidity resistance and its service life, institute
Stating sealing-plug A and sealing-plug B is rubber stopper.
Compared with prior art, the utility model has the beneficial effects that
By the way that sensor to be encapsulated in closed sensor metal cylinder, and it is embedded in the basement rock of depth 5m with cement,
The sensitivity for avoiding temperature and humidity on sensor in cavern generates interference, improves the service life of deformeter；Pass through setting
Four sensors are simultaneously configured the angle between four sensors, so that deformeter is realized self-checking function, and can calculate most
Big principal stress and minimum principal stress and its azimuth, improve the accuracy of deformeter；It, can be convenient for biography by the way that sealing-plug A is arranged
The circuit damaged in sensor metal cylinder is replaced；Sensor improves measuring system stability and high-frequency energy without zero-setting system
Power；It is small in size due to deformeter, have the advantages that space occupied is small, small scale cave body is suitble to install；In addition, in chamber
The construction depth of middle drilling is about 5m, therefore has the advantages that shallow bore hole is easy for construction, application low in cost and easy to spread.
Detailed description of the invention
To be illustrated more clearly that background technique or the technical solution of the utility model, below to the prior art or specific implementation
The attached drawing being used in combination in mode is briefly described；It should be evident that the attached drawing below in conjunction with specific embodiment is only to use
The utility model embodiment is understood in facilitating, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings；
Fig. 1 is the longitudinal sectional drawing of the utility model；
Fig. 2 is the AA section of Fig. 1；
In figure, 1- sealing-plug A, 2- cable, 3- connecting cylinder, 4- sensor metal cylinder, 5- sensor circuit board, 6- partition,
The small pole plate lead of 7-, the big pole plate lead of 8-, the small pole plate sleeve of 9-, the small pole plate ceramics pole of 10-, 11- small capacitances pole plate, the big electricity of 12-
Hold pole plate, the big pole plate ceramics pole of 13-, the big pole plate sleeve of 14-, 15- sealing-plug B.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the utility model, below in conjunction with this reality
With the attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
The range of the utility model protection all should belong in example.
As Figure 1-Figure 2, the utility model provides a kind of four component strain instrument of shallow bore hole, including sensor metal cylinder 4,
The internal sleeve of the sensor metal cylinder 4 is equipped with the connecting cylinder 3 of truncated cone-shaped, and connecting cylinder 3 is located at sensor metal cylinder 4
Nearly upper end opening at, at the upper end opening of connecting cylinder 3 be equipped with sealing-plug A1, lower end be equipped with sealing-plug B15；Wherein in sealing-plug
A1 is equipped with through-hole (not shown)；The through-hole that cable 2 passes through on sealing-plug A1 enters the inside of sensor metal cylinder 4, and with biography
Sensor circuit board 5 inside sensor metal cylinder 4 connects；Sealing-plug A1, connecting cylinder 3, sensor metal cylinder 4 and sealing-plug B15
So that the inside of deformeter is become the cavity of sealing, avoids cavern environment from having an impact the precision of sensor, slow down in deformeter
The component aging in portion；
The sealing-plug A1 and sealing-plug B15 is rubber stopper；
The connecting cylinder 3 and sensor metal cylinder 4 are stainless steel cylinder, can effectively improve the service life of deformeter；
The inside of the sensor metal cylinder 4 is set there are four sensor, and four sensors are arranged in horizontal cross, adjacent biography
Angle between sensor is 45 °, and the crosspoint of four sensors is located on the axis of sensor metal cylinder 4；Sensor and sensing
The inner sidewall of device metal cylinder 4 connects；
The sensor includes sequentially connected small pole plate sleeve 9, small pole plate ceramics pole 10, small capacitances pole plate 11, big electricity
Hold pole plate 12, big pole plate ceramics pole 13 and big pole plate sleeve 14；Wherein, small pole plate sleeve 9 and big pole plate sleeve 14 respectively with biography
The inner sidewall of sensor metal cylinder 4 connects；Small capacitances pole plate 11 and bulky capacitor pole plate 12 pass through small pole plate lead 7 and big pole plate respectively
Lead 8 is connect with sensor circuit board 5；When sensor metal cylinder 4 is squeezed and deformed, the deformation of cylinder is converted to electricity by sensor
Press signal output；
The inside of the sensor metal cylinder 4 is equipped with partition 6, and partition 6 is located at the top of sensor, sensor circuit board 5
On partition 6；Improve the sensitivity of sensor signal detection.
Four component strains instrument provided by the utility model, installation in the borehole, select the stainless steel material metal of high quality
Sensor is encapsulated by cylinder, the moist interference with air-flow of isolation；Traditional borehole strain mounting means is used for reference, in basement rock behaviour
It is consolidated using high quality expanding cement, the strain variation of rock is made reliably to pass to deformeter；Because there are four sensings
Device, any three sensors can calculate maximum principal stress, minimum principal stress and its azimuth；Four data obtain four groups it is complete
Complete consistent four solutions, then instrument system is working properly, realizes the self-checking of data.
The utility model is described in detail above."upper", "lower", " left side " and " right side " in the present embodiment are opposite
Position description in Figure of description.
Claims (6)
1. a kind of four component strain instrument of shallow bore hole, which is characterized in that including sensor metal cylinder, the upper end of the sensor metal cylinder
Equipped with sealing-plug A, lower end is equipped with sealing-plug B；Through-hole is equipped on sealing-plug A, the through-hole that cable passes through on sealing-plug A enters biography
The inside of sensor metal cylinder, and connect with the sensor circuit board inside sensor metal cylinder；The sensor metal cylinder it is interior
Portion is set there are four sensor, and four sensors are arranged in horizontal cross, and the angle between adjacent sensors is 45 °, four sensings
The crosspoint of device is located on the axis of sensor metal cylinder；Sensor is connect with the inner sidewall of sensor metal cylinder；The sensing
Device is connect by lead with sensor circuit board.
2. four component strain instrument of shallow bore hole as described in claim 1, which is characterized in that the sensor includes sequentially connected small
Pole plate sleeve, small pole plate ceramics pole, small capacitances pole plate, bulky capacitor pole plate, big pole plate ceramics pole and big pole plate sleeve；Wherein, small
Pole plate sleeve and big pole plate sleeve are connect with the inner sidewall of sensor metal cylinder respectively；Small capacitances pole plate and bulky capacitor pole plate difference
It is connect by small pole plate lead and big pole plate lead with sensor circuit board.
3. four component strain instrument of shallow bore hole as claimed in claim 2, which is characterized in that the inside of the sensor metal cylinder is arranged
There is the connecting cylinder of truncated cone-shaped, connecting cylinder is located at the nearly upper end opening of sensor metal cylinder, and sealing-plug A opens the upper end of connecting cylinder
Mouth is sealed.
4. four component strain instrument of shallow bore hole as claimed in claim 3, which is characterized in that the connecting cylinder is stainless steel cylinder.
5. four component strain instrument of shallow bore hole according to any one of claims 1-4, which is characterized in that the sensor metal cylinder
Inside is equipped with partition, and partition is located at the top of sensor, and sensor circuit board is located on partition.
6. four component strain instrument of shallow bore hole as claimed in claim 5, which is characterized in that the sealing-plug A and sealing-plug B is rubber
Rubber plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032934.1U CN209197667U (en) | 2019-01-09 | 2019-01-09 | A kind of four component strain instrument of shallow bore hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032934.1U CN209197667U (en) | 2019-01-09 | 2019-01-09 | A kind of four component strain instrument of shallow bore hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209197667U true CN209197667U (en) | 2019-08-02 |
Family
ID=67431231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920032934.1U Expired - Fee Related CN209197667U (en) | 2019-01-09 | 2019-01-09 | A kind of four component strain instrument of shallow bore hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209197667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485380A (en) * | 2022-02-24 | 2022-05-13 | 应急管理部国家自然灾害防治研究院 | Indoor simulation self-checking device of component type drilling strain gauge |
-
2019
- 2019-01-09 CN CN201920032934.1U patent/CN209197667U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485380A (en) * | 2022-02-24 | 2022-05-13 | 应急管理部国家自然灾害防治研究院 | Indoor simulation self-checking device of component type drilling strain gauge |
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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: 20190802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |