CN208998778U - A kind of short baseline cross over pipe inclination measurement instrument of ground trough type - Google Patents
A kind of short baseline cross over pipe inclination measurement instrument of ground trough type Download PDFInfo
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- CN208998778U CN208998778U CN201822147650.5U CN201822147650U CN208998778U CN 208998778 U CN208998778 U CN 208998778U CN 201822147650 U CN201822147650 U CN 201822147650U CN 208998778 U CN208998778 U CN 208998778U
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Abstract
The utility model relates to a kind of short baseline cross over pipe inclination measurement instruments of ground trough type, including two bowls in left and right, oil guide pipe, gas-guide tube and measuring system, it is connected below two bowls by oil guide pipe, it is connected in the middle part of two bowls by gas-guide tube, measuring system is arranged in the bowl between oil guide pipe and gas-guide tube, and the measuring system includes measuring system bracket, fine adjustment shaft, fine-tuning nut, ceramic chamber lining, fine tuning quartz spring, capacitance sensor, float and centering quartz spring；Silicone oil is equipped in the bowl.The utility model measuring system is encapsulated in closed environment, avoids temperature interference in cavern；The permanent matter of silicone oil after sealing, after displaced air；Good sealing avoids liquid medium volatilization, and data are more stable and reliable；Long service life, only sensor circuit service life are 15-20, and sealing-plug is opened after damage and is repaired with tool, the other component service life can be considered permanent.
Description
Technical field
The utility model relates to a kind of big ground tilt measurement instruments, for detecting the faint tilt angle of the earth's crust and tilt angle
Azimuth, be adapted for mount in the geosyncline of cavern, use expanding cement and basement rock to consolidate, more specifically a kind of ground trough type
Short baseline cross over pipe inclination measurement instrument.
Background technique
The domestic and international seismic industry the earth tilt variation faint using cross over pipe dipmeter survey, basic mode is in cavern
Observation pier is arranged in middle laying Bei Nan, thing both direction, each direction both ends；Two observation pier distance 10m-30m are differed, observation
Pier installs bowl；Two bowl quartz glass tube connection, the inside fill distilled water, place float, the company of two floats in bowl
Line is perpendicular to centrifugal force, and when the earth generates inclination, bowl generates displacement in vertical direction relative to float；Capacitance sensor
It is voltage signal output by the shift transformation of float.With the center of the vertical displacement delta h of capacitance sensor and two floats away from can
To calculate northern south to the earth inclination with east-west direction, it is maximum to calculate the earth for the tilt data of You Beinan, east-west direction
Inclination angle and azimuth.
Because in cavern temperature with seasonal variations it is larger, patrol officer enter and leave cavern interference it is also bigger；Long baselines pipe
Flow damping in son is larger, poor to seismic wave and earth pulsation picking up signal ability；Distilled water continuously volatilize cause it is most of
It is poor to observe data stability；Distilled water is in cavern wet environment generation mycelia apt to deteriorate, and about 2-3 replacement is primary, distillation
The process sensltlvty that water gradually goes bad gradually decreases；Process is made in cavern cutting has biggish mechanical damage to act on, and installs instruments
The few primary basement rock of observation pier, most of observation pier be later period concrete casting or the rectangular stone material cement of bulk be fixed on compared with
To influence stability indicator on complete basement rock.
Summary of the invention
For the anti-interference ability and high frequency respective capabilities for improving deformeter, the utility model provides the silicon of length 1-2m a kind of
The cross over pipe inclination measurement instrument of oil medium, is mounted in basement rock slot, and the stainless steel material of high quality is selected to pass silicone oil and capacitor
Sensor is encapsulated, and is effectively isolated the interference of chamber temperature and air-flow；It can achieve permanently with argon gas displacement inner air silicone oil
It never degenerates；Traditional borehole strain mounting means is used for reference, is consolidated in basement rock slot using high quality expanding cement, makes rock
Tilt variation reliably pass to instrument.
The utility model is achieved through the following technical solutions:
A kind of short baseline cross over pipe inclination measurement instrument of ground trough type, including two bowls in left and right, oil guide pipe, gas-guide tube and measurement
System, described two bowls lower sections are connected by oil guide pipe, are connected in the middle part of two bowls by gas-guide tube, the measuring system is set
It sets in the bowl between oil guide pipe and gas-guide tube, it is characterised in that: the measuring system includes measuring system bracket, fine tuning
Axis, fine-tuning nut, ceramic chamber lining, fine tuning quartz spring, capacitance sensor, float and centering quartz spring；The capacitance sensing
Device includes middle plate signal balance spring, top crown, middle pole plate, bottom crown and sensor circuit, the float include float body and
Connecting rod above float body is set；Ceramic chamber lining is set in the measuring system bracket, and measuring system mid-stent is set
There is fine adjustment shaft, the fine-tuning nut is set on fine adjustment shaft and is arranged above measuring system bracket, and the fine adjustment shaft bottom is logical
Fine tuning quartz spring to be crossed to connect with connecting rod, the connecting rod is arranged with top crown, middle pole plate and bottom crown respectively from top to down,
Wherein top crown and bottom crown are fixed on ceramic chamber lining, and top crown and bottom crown are connect with sensor circuit；In described
Pole plate is fixed in connecting rod, and described middle plate signal balance spring one end is connect with connecting rod, one end and sensor electricity
Road connection；It is connect by quartz spring of feeling relieved with measuring system frame bottom below the float body, is equipped in the bowl
Silicone oil.
Further, above-mentioned measuring instrument further includes prestressed spring, and the prestressed spring is set in outside the fine adjustment shaft.
Further, debugging system is equipped between the bowl of above-mentioned left and right two, the debugging system includes auxiliary bowl, adjusts
The fixed plug of oil pipe, regulating the qi flowing in the channels pipe, Oil/Gas Pipe and seal cap composition, the auxiliary bowl are connected to oil guide pipe and gas-guide tube respectively, institute
It states and oil pipe, regulating the qi flowing in the channels pipe is adjusted to be fixed by the fixed plug of Oil/Gas Pipe, the tune oil pipe bottom end is arranged in silicone oil liquid level hereinafter, the regulating the qi flowing in the channels pipe
Bottom end is arranged more than gas-guide tube, and oil pipe and regulating the qi flowing in the channels pipe upper end is adjusted to be higher than the fixed plug of Oil/Gas Pipe, and the seal cap setting is assisting
At the top of bowl.Debugging system makes liquid level be suitble to observe for adjusting air in liquid level and displacement bowl, adjustment liquid level
It with detection sensor system sensitivity coefficient, is vacuumized with vacuum pump and is then replaced with argon gas, guarantee silicone oil and sensor
The not oxidized corrosion of system.
Further, pole plate and float are arranged on the same axis among the above.
Further, the bowl distance of shaft centers 1-2m of above-mentioned left and right two.
The utility model measuring instrument both ends process bowl using long stainless steel cylinder, and two bowl lower parts are connected using oil guide pipe
It connects, centre is connected using gas-guide tube；There is silicone oil with low viscosity in bowl；Measuring system is mounted on bowl bottom, by float and three-level
Plate and sensor circuit, float are constrained by two fine tuning quartz springs and centering quartz spring, float and capacitance sensor
Middle pole plate be fixed together, float moves up and down, and is converted to the voltage signal of capacitance sensor；There is one among two bowls
Auxiliary system, there are three functions for auxiliary system: adjustment two sensor sensitivity factors of silicone oil liquid level high measure are set with argon gas
Change inner air.
The beneficial effects of the utility model are: measuring system is encapsulated in closed environment, tester lower part is buried with cement
It is located in the basement rock slot of depth 1m, avoids temperature interference in cavern；After sealing, the silicone oil after displaced air is permanent
Matter can be used for a long time；Good sealing avoids liquid medium volatilization, and data are more stable and reliable；Instrument Design focuses on the service life
Raising, only the sensor circuit service life be 15-20, after damage opening sealing-plug repaired with tool, the other component longevity
Life can be considered permanent.
Detailed description of the invention
Fig. 1 is the longitudinal sectional drawing schematic diagram of the utility model；
Fig. 2 is the AA diagrammatic cross-section of Fig. 1；
In figure: 1. sealing-plugs；2. bowl；3. fine adjustment shaft；4. fine-tuning nut；5. measuring system bracket；6. prestressing force bullet
Spring；7. ceramic chamber lining；8. finely tuning quartz spring；Plate signal balance spring in 9.；10. top crown；Pole plate in 11.；12. bottom crown；
13. float body；14. connecting rod；15. quartz spring of feeling relieved；16. gas-guide tube；17. sensor circuit；18. silicone oil；19 Oil Guides
Pipe；20. assisting bowl；21. adjusting oil pipe；22. regulating the qi flowing in the channels pipe；23. the fixed plug of Oil/Gas Pipe；24. seal cap.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments, so that those skilled in the art can
To be better understood by the utility model, but and it is not so limited the utility model.
Embodiment 1
A kind of short baseline cross over pipe inclination measurement instrument of ground trough type, including left and right two bowls 2, oil guide pipe 19, gas-guide tube 16
And measuring system, 2 distance of shaft centers 1-2m of the bowl of the left and right two are connected below described two bowls 2, two by oil guide pipe 19
It being connected in the middle part of bowl 2 by gas-guide tube 16, the measuring system is arranged in the bowl 2 between oil guide pipe 19 and gas-guide tube 16,
The measuring system includes measuring system bracket 5, fine adjustment shaft 3, fine-tuning nut 4, ceramic chamber lining 7, fine tuning quartz spring 8, capacitor
Sensor, float and centering quartz spring 15, the capacitance sensor includes middle plate signal balance spring 9, top crown 10, middle pole plate
11, bottom crown 12 and sensor circuit 17；The float includes float body 13 and the connection that 13 top of float body is arranged in
Bar 14；Ceramic chamber lining 7 is set in the measuring system bracket 5, is equipped with fine adjustment shaft 3 in the middle part of measuring system bracket 5, outside fine adjustment shaft 3
It is arranged with prestressed spring 6, the fine-tuning nut 4 is set on fine adjustment shaft 3 and is arranged above measuring system bracket 5, described
3 bottom of fine adjustment shaft is connect by finely tuning quartz spring 8 with connecting rod 14, and the connecting rod 14 is arranged with pole respectively from top to down
Plate 10, middle pole plate 11 and bottom crown 12, wherein top crown 10 and bottom crown 12 are fixed on ceramic chamber lining 7, top crown 10
It is connect with bottom crown 12 with sensor circuit 17；The middle pole plate 11 is fixed in connecting rod 14, the middle plate signal
9 one end of balance spring is connect with connecting rod 14, and one end is connect with the sensor circuit 17；Pass through centering below the float body 13
Quartz spring 15 is connect with 5 bottom of measuring system bracket, is equipped with silicone oil 18 in the bowl 1.
Debugging system is equipped between the bowl 2 of the left and right two, the debugging system includes auxiliary bowl 20, adjusts oil pipe
21, the fixed plug 23 of regulating the qi flowing in the channels pipe 22, Oil/Gas Pipe and seal cap 24 form, the auxiliary bowl 20 respectively with oil guide pipe 19 and gas-guide tube
16 connections, the tune oil pipe 21, regulating the qi flowing in the channels pipe 22 are fixed by the fixed plug 23 of Oil/Gas Pipe, and 21 bottom end of tune oil pipe is arranged in silicone oil 18
Liquid level is hereinafter, 22 bottom end of regulating the qi flowing in the channels pipe setting adjusts oil pipe 21 and 22 upper end of regulating the qi flowing in the channels pipe to be higher than Oil/Gas Pipe in 16 or more gas-guide tube
Fixed plug 23, the setting of seal cap 24 is at 20 top of auxiliary bowl.
Claims (5)
1. a kind of short baseline cross over pipe inclination measurement instrument of ground trough type, including two bowls in left and right, oil guide pipe, gas-guide tube and measurement system
System, described two bowls lower sections are connected by oil guide pipe, pass through gas-guide tube in the middle part of two bowls and connect, the measuring system setting
In bowl between oil guide pipe and gas-guide tube, it is characterised in that: the measuring system include measuring system bracket, fine adjustment shaft,
Fine-tuning nut, ceramic chamber lining, fine tuning quartz spring, capacitance sensor, float and centering quartz spring；The capacitance sensor packet
Middle plate signal balance spring, top crown, middle pole plate, bottom crown and sensor circuit are included, the float includes float body and setting
Connecting rod above float body；Ceramic chamber lining is set in the measuring system bracket, and measuring system mid-stent is equipped with micro-
Axis is adjusted, the fine-tuning nut is set on fine adjustment shaft and is arranged above measuring system bracket, and the fine adjustment shaft bottom passes through micro-
Quartz spring is adjusted to connect with connecting rod, the connecting rod is arranged with top crown, middle pole plate and bottom crown respectively from top to down, wherein
Top crown and bottom crown are fixed on ceramic chamber lining, and top crown and bottom crown are connect with sensor circuit；The middle pole plate
It is fixed in connecting rod, described middle plate signal balance spring one end is connect with connecting rod, and one end and the sensor circuit connect
It connects；It is connect by quartz spring of feeling relieved with measuring system frame bottom below the float body, silicone oil is equipped in the bowl.
2. the short baseline cross over pipe inclination measurement instrument of a kind of ground trough type according to claim 1, it is characterised in that: the measurement
Instrument further includes prestressed spring, and the prestressed spring is set in outside the fine adjustment shaft.
3. the short baseline cross over pipe inclination measurement instrument of a kind of ground trough type according to claim 1, it is characterised in that: the left and right
Debugging system is equipped between two bowls, the debugging system includes auxiliary bowl, adjusts the fixed plug of oil pipe, regulating the qi flowing in the channels pipe, Oil/Gas Pipe
It is formed with seal cap, the auxiliary bowl is connected to oil guide pipe and gas-guide tube respectively, and the tune oil pipe, regulating the qi flowing in the channels pipe are consolidated by Oil/Gas Pipe
Fixed plug is fixed, and the tune oil pipe bottom end is arranged in silicone oil liquid level hereinafter, the setting of regulating the qi flowing in the channels tube bottom end adjusts oil more than gas-guide tube
Pipe and regulating the qi flowing in the channels pipe upper end are higher than the fixed plug of Oil/Gas Pipe, and the seal cap setting is at the top of auxiliary bowl.
4. the short baseline cross over pipe inclination measurement instrument of a kind of ground trough type according to claim 1, it is characterised in that: the middle pole
Plate and float are arranged on the same axis.
5. the short baseline cross over pipe inclination measurement instrument of a kind of ground trough type according to claim 1, it is characterised in that: the left and right
Two bowl distance of shaft centers 1-2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822147650.5U CN208998778U (en) | 2018-12-20 | 2018-12-20 | A kind of short baseline cross over pipe inclination measurement instrument of ground trough type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822147650.5U CN208998778U (en) | 2018-12-20 | 2018-12-20 | A kind of short baseline cross over pipe inclination measurement instrument of ground trough type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208998778U true CN208998778U (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822147650.5U Active CN208998778U (en) | 2018-12-20 | 2018-12-20 | A kind of short baseline cross over pipe inclination measurement instrument of ground trough type |
Country Status (1)
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| CN (1) | CN208998778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595291A (en) * | 2020-11-27 | 2021-04-02 | 中国地震局地震研究所 | Totally-enclosed half-tank type broadband short-baseline water pipe inclinometer |
-
2018
- 2018-12-20 CN CN201822147650.5U patent/CN208998778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595291A (en) * | 2020-11-27 | 2021-04-02 | 中国地震局地震研究所 | Totally-enclosed half-tank type broadband short-baseline water pipe inclinometer |
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