CN104678430A - Leveling device for plurality of borehole seismographs based on aboveground regulation and control - Google Patents

Leveling device for plurality of borehole seismographs based on aboveground regulation and control Download PDF

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Publication number
CN104678430A
CN104678430A CN201510105242.1A CN201510105242A CN104678430A CN 104678430 A CN104678430 A CN 104678430A CN 201510105242 A CN201510105242 A CN 201510105242A CN 104678430 A CN104678430 A CN 104678430A
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China
Prior art keywords
screw rod
base
gear
seismometer
motor
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CN201510105242.1A
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Chinese (zh)
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CN104678430B (en
Inventor
吕永清
周云耀
吴欢
齐军伟
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Wuhan Institute of Scientific Instruments Co., Ltd.
Institute of Earthquake of China Earthquake Administration
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Institute of Earthquake of China Earthquake Administration
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Publication of CN104678430A publication Critical patent/CN104678430A/en
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Abstract

The invention discloses a leveling device for a plurality of borehole seismographs based on aboveground regulation and control and relates to the technical field of underground seismological observation. The leveling device is structurally characterized in that an upper base is connected with one end of a middle base through a first cross hinge, a first screw rod penetrates through the other end of the middle base to be connected with the upper base after being sheathed with a first gear, and a first direct-current motor, the first gear and the first screw rod are connected in sequence; the middle base is connected with one end of a lower base through a second cross hinge; a second screw rod penetrates through the other end of the lower base and is connected with the middle base after being sheathed with a second gear, and a second direct-current motor, the second gear and the second screw rod are connected in sequence; the first screw rod and the second screw rod are parallel lines mutually, and planes formed by the first screw rod, the second screw rod and center lines of the bases are perpendicular to one another. The leveling device is simple in structure and convenient in operation, can drive the motors to perform control operation through applying a voltage signal on the ground and provides a good technical support for the popularization of the borehole seismographs.

Description

Based on the down-hole multiple stage seismometer horizontalization device of aboveground regulation and control
Technical field
The present invention relates to downhole seismic observation technical field, particularly relate to a kind of down-hole multiple stage seismometer horizontalization device based on aboveground regulation and control.
Background technology
Geoscience is the multidisciplinary synthesis science being observed basis, and the signal to noise ratio (S/N ratio) how improving observation is most important problem in observational study all the time.Along with the quickening of economic activity and urbanization process, the environment of surface seismic observation is more and more severe; Especially city, the foundation of the track traffic such as subway, railway and culture noise, had a strong impact on the ground unrest of seismic monitoring instrument.The effect of borehole strain in ground observation is more and more important, for Research on Crustal motion provides High Accuracy Observation data.So increasing seismic monitoring instrument and equipment is selected to be arranged on down-hole.Recent domestic earthquake observating station starts to develop from ground to Deep Underground, establishes a large amount of deep-well observation station and constitutes deep-well sighting opportunity.
Japan started deep bore hole seismic observation 1980 before and after, and by 2000, the stations observed by existing 22 deep-wells, achieved the seismological observation material of high precision that face sighting opportunity only cannot obtain, high s/n ratio, had promoted the research of earthquake prediction aspect.Because borehole observation has far-reaching scientific meaning, since the nineties in 20th century, the U.S., Germany and the state such as Dutch establish the down-hole long-term observation station in succession, China just starts from the later stage nineties development carrying out relevant subsurface equipment, develop down-hole short period seismometer, achieve certain observation data and achievement in research.
The experience installed instruments for many years shows, the sensor being contained in deep under ground is usually than being arranged on the stable of ground or near surface.Here it is why so much bombproof and discarded underground mine through being often used as the platform location, seismographic station of low noise.But ready-made hole body or deep-well always can not be found in the place will building platform.And boring is for herein is provided a practicable solution, almost seismic sensor can be contained in deep under ground anywhere.
But in borehole observation, because wellhole has certain inclination, and seismograph needs can normally to work in very flat position, and this just needs a kind of device to adjust seismographic attitude, can be in horizontality and normally work.
Summary of the invention
object of the present invention is just the shortcoming and defect overcoming prior art existence, provides a kind of down-hole multiple stage seismometer horizontalization device based on aboveground regulation and control, can effectively adjust seismographic attitude, make its level, ensures that seismograph normally works.
The object of the present invention is achieved like this:
This device comprises seismometer, middle seismometer and lower seismometer;
Be provided with upper bed-plate, middle base, lower bottom base, the 1st d.c. motor, the 2nd d.c. motor, the 1st screw rod, the 2nd screw rod, the 1st gear, the 2nd gear, the 1st cross-garnet butt and the 2nd cross-garnet butt;
Its position and annexation are:
Upper bed-plate is connected by the 1st cross-garnet butt with one end of middle base, and the 1st screw rod is connected upper bed-plate with the other end again through middle base after the 1st gear fit, and the 1st d.c. motor, the 1st gear are connected successively with the 1st screw rod;
Middle base is connected by the 2nd cross-garnet butt with one end of lower bottom base, base during the 2nd screw rod is connected with the other end again through lower bottom base after the 2nd gear fit, and the 2nd d.c. motor, the 2nd gear are connected successively with the 2nd screw rod;
1st screw rod and the 2nd screw rod parallel lines each other, its plane formed with the center line of base is vertical each other;
Upper seismometer, middle seismometer and lower seismometer are placed on upper bed-plate, base and lower bottom base respectively.
Compared with prior art, the present invention has following advantages and good effect:
Structure is simple, easy to operate, can carry out control operation, for the universal of borehole seismograph provides good technical support on the ground by applying voltage signal CD-ROM drive motor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (solid);
Fig. 2 is structural representation of the present invention (master looks);
Fig. 3 is structural representation of the present invention (left side is looked);
Fig. 4 is embodiment of the present invention configuration diagram.
In figure:
10-upper bed-plate;
20-middle base;
30-lower bottom base;
41-the 1 d.c. motor, the 42-the 2 d.c. motor;
51-the 1 screw rod, the 52-the 2 screw rod;
61-the 1 gear, the 62-the 2 gear;
71-the 1 cross-garnet butt, the 72-the 2 cross-garnet butt;
1D-upper seismometer, 1D-upper seismometer, 1D-upper seismometer.
Embodiment
describe in detail below in conjunction with drawings and Examples:
One, overall
As Fig. 1,2,3,4, this device comprises seismometer 1D, middle seismometer 2D and lower seismometer 3D; Be provided with upper bed-plate 10, middle base 20, lower bottom base 30, the 1st d.c. motor 41, the 2nd d.c. motor
42, the 1st screw rod 51, the 2nd screw rod 52, the 1st gear 61, the 2nd gear 62, the 1st cross-garnet butt 71 and the 2nd cross-garnet butt 72;
Its position and annexation are:
Upper bed-plate 10 is connected by the 1st cross-garnet butt 71 with one end of middle base 20, and the 1st screw rod 51 is connected upper bed-plate 10 with the other end again through middle base 20 after the 1st gear 61 fit, and the 1st d.c. motor 41, the 1st gear 61 are connected successively with the 1st screw rod 51;
Middle base 20 is connected by the 2nd cross-garnet butt 72 with one end of lower bottom base 30, and during the 2nd screw rod 52 is connected with the other end again through lower bottom base 30 after the 2nd gear 62 fit, base the 20,2nd d.c. motor 42, the 2nd gear 62 are connected successively with the 2nd screw rod 52;
1st screw rod 51 and the 2nd screw rod 52 parallel lines each other, itself and the plane that the center line of base is formed be vertical (being namely respectively X-direction and Y direction) each other;
Upper seismometer 1D, middle seismometer 2D and lower seismometer 3D are placed on upper bed-plate 10, base 20 and lower bottom base 30 respectively.
Working mechanism:
As Fig. 2, adjustment X-direction, one end of upper bed-plate 10 and middle base 20 is coupled together by the 1st cross-garnet butt 71, and the 1st d.c. motor 41 can carry out rotating, can drive the 1st gear 61 that the 1st screw rod 51 is moved up and down, thus the angle between adjustment upper bed-plate 10 and middle base 20; This device can make the adjustment carrying out ± 5 degree between upper bed-plate 10 and middle base 20 two bases.
As Fig. 3, adjustment Y direction, in like manner, one end of middle base 20 and lower bottom base 30 is coupled together by the 2nd cross-garnet butt 72,2nd d.c. motor 42 can carry out rotating, can drive the 2nd gear 62 that screw rod 52 is moved up and down, thus the angle in adjusting between base 20 and lower bottom base 30.
By constantly adjusting the angle between upper bed-plate 10 and middle base 20 and the angle between middle base 20 and lower bottom base 30, upper bed-plate 10, middle base 20, lower bottom base 30 and seismometer above thereof is made to be placed in horizontal level.
The horizontal level of its seismometer exports data waveform by seismometer and judges.
This device is provided with power supply aboveground, and power supply connects the 1st d.c. motor 41 and the 2nd d.c. motor 42 by transmission line; The recording section of seismometer and control section are also arranged on aboveground; Therefore, staff is in the aboveground leveling work that can complete upper bed-plate 10, middle base 20 and lower bottom base 30.
Two, functional part
* upper bed-plate 10
Upper bed-plate 10 is a kind of circular flat blocks;
One end of upper bed-plate 10 is supported by the 1st screw rod 51, and the other end connects the 1st cross-garnet butt 71;
Upper bed-plate 10 function supports upper seismometer D1.
* middle base 20
Middle base 20 is a kind of circular flat blocks;
Middle base 20 is connected by the 1st cross-garnet butt 71 with upper bed-plate 10, is connected by the 2nd cross-garnet butt 72 with lower bottom base 30;
The function of middle base 20 is seismometer D2 in supporting.
* lower bottom base 30
Lower bottom base 30 is a kind of circular flat blocks;
Lower bottom base 30 is connected by the 2nd cross-garnet butt 72 with middle base 20.
The function of lower bottom base 30 supports lower seismometer D3 and supports the 1st gear 61.
* the 1 d.c. motor 41
1st d.c. motor 41 is a kind of general motors, and 5V powers.
1st d.c. motor 41 is connected with the 1st gear 61 through lower bottom base 30;
The function of the 1st d.c. motor 41 is driving the 1st gears 61.
* the 2 d.c. motor 42
2nd d.c. motor 42 is a kind of general motors, and 5V powers.
2nd d.c. motor 421 connects with the 2nd gear 62 through lower bottom base 30;
The function of the 1st d.c. motor 41 is driving the 2nd gears 62.
* the 1 screw rod 51
1st screw rod 51 is a kind of Universal screw rods;
1st screw rod 51 one end embeds the 1st gear 61, and the other end connects upper bed-plate 10 through middle base 20;
The function of the 1st screw rod 51 supports upper bed-plate 10, transferring energy, the angle between adjustment upper bed-plate 10 and middle base 20.
* the 2 screw rod 52
2nd screw rod 52 is a kind of Universal screw rods;
2nd screw rod 52 one end embeds the 2nd gear 62, base 20 during the other end connects through lower bottom base 30;
The function of the 2nd screw rod 52 is bases 20 in supporting, transferring energy, the angle in adjustment between base 20 and lower bottom base 30.
* the 1 gear 61
1st gear 61 is a kind of general gears;
The function of the 1st gear 61 is: driven by the 1st d.c. motor 41, drives the 1st screw rod 51 to move up and down.
* the 2 gear 62
1st gear 62 is a kind of general gears;
The function of the 1st gear 61 is: driven by the 2nd d.c. motor 42, drives the 2nd screw rod 52 to move up and down.
* the 1 cross-garnet butt 71
1st cross-garnet butt 71 is a kind of loose-leaves, comprises two flanks in left and right and center rotational shaft, flank establishes pilot hole, is fixed on base for screw.
The function of the 1st cross-garnet butt 71 connects upper bed-plate 10 and middle base 20.
* the 2 cross-garnet butt 72
2nd cross-garnet butt 72 is a kind of loose-leaves, comprises two flanks in left and right and center rotational shaft, flank establishes pilot hole, is fixed on base for screw.
The function of the 2nd cross-garnet butt 72 is base 20 and lower bottom bases 30 in connecting.

Claims (1)

1., based on a borehole seismic meter horizontalization device for aboveground regulation and control, it is characterized in that:
Comprise seismometer (1D), middle seismometer (2D) and lower seismometer (3D);
Be provided with upper bed-plate (10), middle base (20), lower bottom base (30), the 1st d.c. motor (41), the 2nd d.c. motor (42), the 1st screw rod (51), the 2nd screw rod (52), the 1st gear (61), the 2nd gear (62), the 1st cross-garnet butt (71) and the 2nd cross-garnet butt (72);
Its position and annexation are:
Upper bed-plate (10) is connected by the 1st cross-garnet butt (71) with one end of middle base (20), 1st screw rod (51) is connected upper bed-plate (10) with the other end again through middle base (20) after the 1st gear (61) fit, and the 1st d.c. motor (41), the 1st gear (61) are connected successively with the 1st screw rod (51);
Middle base (20) is connected by the 2nd cross-garnet butt (72) with one end of lower bottom base (30), base (20) during 2nd screw rod (52) is connected with the other end again through lower bottom base (30) after the 2nd gear (62) fit, the 2nd d.c. motor (42), the 2nd gear (62) are connected successively with the 2nd screw rod (52);
1st screw rod (51) and the 2nd screw rod (52) parallel lines each other, its plane formed with the center line of base is vertical each other;
Upper seismometer (1D), middle seismometer (2D) and lower seismometer () 3D are placed on upper bed-plate (10), base (20) and lower bottom base (30) respectively.
CN201510105242.1A 2015-03-11 2015-03-11 Based on many of the underground seismometer horizontalization device regulated and controled on well Active CN104678430B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280206A (en) * 1978-03-15 1981-07-21 National Research Development Corporation Seismometers
CN201503497U (en) * 2009-09-25 2010-06-09 北京港震机电技术有限公司 Small automatic leveling device
CN201654246U (en) * 2010-04-23 2010-11-24 北京港震机电技术有限公司 Short cycle submarine seismograph
US20110310704A1 (en) * 2003-05-30 2011-12-22 Fairfield Industries Incorporated Ocean Bottom Seismometer Package
CN102914798A (en) * 2012-09-27 2013-02-06 中国科学院地质与地球物理研究所 Real-time transmission multifunctional ocean bottom seismograph
CN204422768U (en) * 2015-03-11 2015-06-24 中国地震局地震研究所 A kind of down-hole multiple stage seismometer horizontalization device based on aboveground regulation and control

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280206A (en) * 1978-03-15 1981-07-21 National Research Development Corporation Seismometers
US20110310704A1 (en) * 2003-05-30 2011-12-22 Fairfield Industries Incorporated Ocean Bottom Seismometer Package
CN201503497U (en) * 2009-09-25 2010-06-09 北京港震机电技术有限公司 Small automatic leveling device
CN201654246U (en) * 2010-04-23 2010-11-24 北京港震机电技术有限公司 Short cycle submarine seismograph
CN102914798A (en) * 2012-09-27 2013-02-06 中国科学院地质与地球物理研究所 Real-time transmission multifunctional ocean bottom seismograph
CN204422768U (en) * 2015-03-11 2015-06-24 中国地震局地震研究所 A kind of down-hole multiple stage seismometer horizontalization device based on aboveground regulation and control

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Effective date of registration: 20171109

Address after: 430071 Hongshan Road, Wuchang District, Hubei, No. 40, No.

Co-patentee after: Wuhan Institute of Scientific Instruments Co., Ltd.

Patentee after: Earthquake Inst., China Earthquake Bureau

Address before: 430071 Hongshan Road, Wuchang District, Hubei, No. 40, No.

Patentee before: Earthquake Inst., China Earthquake Bureau