CN104062679B - A kind of earthquake SH ripple three-dimensional focus exploration device - Google Patents
A kind of earthquake SH ripple three-dimensional focus exploration device Download PDFInfo
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- CN104062679B CN104062679B CN201410283669.6A CN201410283669A CN104062679B CN 104062679 B CN104062679 B CN 104062679B CN 201410283669 A CN201410283669 A CN 201410283669A CN 104062679 B CN104062679 B CN 104062679B
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Abstract
The present invention relates to a kind of earthquake SH ripple three-dimensional focus exploration device, including motor, servo controller group, power transmission shaft, impulse casing, and described motor carries encoder, and encoder is electrically connected with servo controller group by connecting line; The output shaft axle center of motor connects power transmission shaft by bearing, and power transmission shaft is provided with flabellum, and flabellum is connected with the outer disk of the casing that impulses; Impulse casing axle centered by electrical axis, is provided with upper cover and internal and external disk, and upper cover is connected with outer disk, is welded with spike-tooth bottom internal and external disk; Electrical axis is through interior disk center, and axle center end is welded with base cone, and inner disc base cone and spike-tooth secure the appliance to ground; Motor drives flabellum to drive outer coiling inner disc to rotate by power transmission shaft, and outer disk rotates and makes the spike-tooth bottom it and produce tangential vibration between ground, produces the SH ripple of all directions. The succinct light convenient transportation of this apparatus structure, and power adjustable, be provided that enough seismic prospecting energy, meets the various geology field detection such as engineering investigation, ore exploration.
Description
Technical field
The present invention relates to a kind of earthquake SH ripple three-dimensional focus exploration device, belong to earthquake, technical field of geological exploration.
Background technology
Shear wave, compared with compressional wave, has that speed is low, frequency is low, wavelength is short, and by the advantage of influence on groundwater. Therefore, shear wave earthquake exploration can reach longitudinal wave earthquake and explore be beyond one's reach resolution and degree of accuracy, can better detect overburden cover and subterrane little structure thereof in the Quaternary Period.
Shear wave has two types, one to be SV ripples, refers to the particle shear wave in the vertical guide internal vibration including ray, and namely the propagation rays of the oscillation and wave of particle is all by the vertical guide of survey line, and horizontal pickup is arranged in X direction; One is SH ripple, is the particle shear wave in horizontal plane internal vibration, and when ripple is propagated in ray plane, the vibration of particle is being perpendicular to the horizontal plane internal vibration of ray plane, and horizontal pickup is arranged along Y-direction.
When incidence wave is SH ripple, only produce similar reflection and transmitted wave, and the conversion of waveform, namely so-called spontaneous ripple do not occur, be primarily due to the direction of vibration of SH ripple and determine it and there is no normal component, only displacement component. SH ripple does not produce converted wave through interface time, has very big advantage in engineering investigation.
Utilize controlled source earthquake-wave-exciting, be by the important technology of seismic prospecting. Therefore develop a kind of focus that can control to produce the frequency of seismic wave, energy size, ripple type, play more and more important effect in geological mapping field, particularly the focus of 3-D seismics SH ripple, play conclusive effect for carrying out the exploration of SH ripple three-dimensional.
Summary of the invention
It is an object of the invention in SH ripple is explored, there is provided a kind of employing have for excitation mode, more single earthquake SH ripple can be produced, it is adaptable to engineering geological investigation, can also be used for ore exploration and lighter SH ripple seismic source apparatus, with the demand of satisfied exploration.
For achieving the above object, the present invention adopts the technical scheme that: provide a kind of earthquake SH ripple three-dimensional focus exploration device, impulse casing including motor, servo controller group, power transmission shaft, focus, carrying encoder inside described motor, encoder is electrically connected with servo controller group by connecting line; The output shaft axle center of motor connects power transmission shaft by bearing, and power transmission shaft, with axis rotation, power transmission shaft is provided with flabellum, and impulse with the focus outer disk of casing of flabellum is connected; Described focus impulses casing axle centered by the output shaft axle center of motor, and the focus casing that impulses is made up of upper cover and inside and outside dish, and upper cover is connected with outer disk, and described inside and outside tray bottom is all welded with metal spike-tooth; The output shaft axle center of motor is through the center of inner disc, and the axle center end bottom inner disc is welded with the base cone of metal, and base cone and spike-tooth bottom inner disc are used for securing the appliance to ground; Motor drives flabellum to drive outer disk, upper cover to rotate around inner disc by power transmission shaft, and outer disk rotates and produces tangential vibration between spike-tooth and the ground making outer tray bottom, produces the SH ripple of all directions.
Described servo controller group includes signal generator and servo-driver.
The metal spike-tooth of the described inside and outside tray bottom of the casing that impulses is the metal Rhizoma Sparganii vertebral body welded symmetrically and evenly, and the spike-tooth of inner disc compares the intensive of outer disk, and inner disc inserts the frictional force between ground aggrandizement apparatus and ground by spike-tooth and base cone.
The weight that the described casing that impulses, power transmission shaft and the combination of servo controller group are installed is less than 30KG.
The flabellum installed on described power transmission shaft is symmetrically arranged, and flabellum is provided with the gim peg increasing weight.
Certain space is had, it is ensured that two dishes do not rub in rotary course between the earthquake SH ripple three-dimensional focus exploration device inner disc of the present invention, outer disk. Impulse the weight of casing, motor, servo-driver and power transmission shaft less than 30KG, and gross weight can symmetrical on the gim peg of flabellum increase, to adapt to different weight and energy requirement.
Assembly of the invention impulse casing inner disc bottom have more spike-tooth, ground can be firmly grasped well, outer disk has a circle spike-tooth, the spike-tooth negligible amounts of relative inner disc, under the driving of power transmission shaft, flabellum drives outer disk to rotate, and the spike-tooth that bottom has been quoted in inverted position turn is tangent with ground, produce shearing force, inspire SH ripple.
The earthquake SH ripple three-dimensional focus exploration device of the present invention has the advantage that
1, the present invention is controlled by servo controller group and produces operating frequency, and therefore its working signal and fundamental characteristics can manual controls, it is possible to avoid interference signal when designing focus scanning signal, improves the resolution of its own signal.
2, impulse in assembly of the invention the mode adopting power transmission shaft to be connected between casing with motor, greatly reduces interfering with each other when impulsing casing vibrations and between motor, improves the resolution of signal.
3, assembly of the invention is Portable small controllable earthquake focus combined device, and the weight that the casing that impulses, power transmission shaft and the combination of servo controller group are installed is less than 30KG. Device adopts Modular assembled, convenient transportation, it is adaptable to seismic prospecting, the place that ore exploration etc. is with a varied topography, vehicle not easily arrives, and Modular assembled mode is readily accessible and transport.
Accompanying drawing explanation
Fig. 1 is the structure front cross-sectional schematic diagram of the earthquake SH ripple three-dimensional focus exploration device of the present invention.
Fig. 2 is the schematic top plan view removing upper cover and motor top in Fig. 1 of the present invention.
Schematic diagram is looked at the end that Fig. 3 is Fig. 1 of the present invention.
Fig. 4 is the workflow diagram of earthquake SH ripple three-dimensional focus exploration device of the present invention.
In above-mentioned figure: 1-power transmission shaft, 2-axle center, 3-upper cover, 4-flabellum, 5-gim peg, 6-motor, 7-encoder, 8-servo-driver, 9-signal generator, 10-inner disc, 11-outer disk, 12-base cone, 13-spike-tooth.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1: the present invention provides a kind of earthquake SH ripple three-dimensional focus exploration device, and its structure is as shown in Figure 1, 2, 3. Device includes motor 6, servo controller group, power transmission shaft 1, focus impulse casing, and described motor 6 is the internal two-phase hybrid stepping motor carrying encoder 7, and encoder 7 is electrically connected with servo controller group by connecting line.
One, servo controller group
Referring to Fig. 1,4, described servo controller group includes signal generator 9 and servo-driver 8, signal generator 9 selects the AWG (Arbitrary Waveform Generator) of the 33250A80MHZ that Agilent company of the U.S. produces, and is controlled the two-phase hybrid stepping motor of a 0.75KW by servo controller.
Two, motor and power transmission shaft
The output shaft axle center 2 of motor 6 connects power transmission shaft 1 by bearing, power transmission shaft rotates with axle center 2, referring to Fig. 1,2, connect with power transmission shaft 1 between motor and flabellum 4, the flabellum 4 installed on power transmission shaft 1 is symmetrically arranged, flabellum 4 is provided with the gim peg 5 increasing weight, can pass through symmetry increase and decrease gim peg 5 weight to adapt to excite the demand of different-energy. Impulse with the focus outer disk 11 of casing of flabellum 4 is connected; Motor 6 relies on counter-force to drive drive axis.
Three, focus impulses casing
Referring to Fig. 1,3, focus impulses casing axle centered by the output shaft axle center 2 of motor 6, and the focus casing that impulses includes upper cover 3, inner disc 10 and outer disk 11, and upper cover 3 is connected with outer disk 11, flabellum 4 is also connected with outer disk 11.
In the present embodiment, inner disc 10 bottom symmetrical is welded with 32 spike-tooths 13 equably, the spike-tooth of outer disk 11 welding is few relative to the quantity of inner disc, only 25 spike-tooths 13, the output shaft axle center 2 of motor 6 is through the center of inner disc 10, axle center 2 end bottom inner disc 10 is welded with the base cone 12 of metal, and device is fastened securely to ground by base cone 12 and spike-tooth 13 bottom inner disc; Under the driving of power transmission shaft 1, flabellum 4 drives outer disk 11 to rotate, and it is tangent with ground that outer disk 11 rotates the spike-tooth 13 causing outer tray bottom, produces shearing force, inspires the SH ripple along all tangential direction of outer disk outer rim.
Embodiment 2: the present invention provides a kind of earthquake SH ripple three-dimensional focus exploration device, and its structure is substantially the same manner as Example 1, different simply motors 6 adopts three-phase servo asynchronous machine, and assembly of the invention workflow, referring to Fig. 4.
(1) servo controller group is by signal generator 9 and what servo-driver 8 formed, servo controller group is the control part of controlled source, by signal generator 9 manual control and produce operating frequency, the pulse train of signal generator internal preset is sent to servo-driver 8, often sending 10000 pulses, 2 turns of the axle center of three-phase servo asynchronous machine was once. Due to the source pattern device that the present invention is Portable small, therefore its working signal and fundamental characteristics can control, it is possible to avoid interference signal when designing focus scanning signal, reaches to improve the resolution of its own signal.
(2) three-phase servo asynchronous machine rotates and drives power transmission shaft 1 to drive flabellum 4 to drive outer disk 11, upper cover 3 to rotate around inner disc 10, outer disk 11 rotates and produces tangential vibration between spike-tooth 13 and the ground making outer tray bottom, inspires the SH ripple along all tangential direction of outer disk outer rim.
The present invention without reference to part all can adopt existing techniques in realizing.
Claims (1)
1. an earthquake SH ripple three-dimensional focus exploration device, impulses casing including motor, servo controller group, power transmission shaft, focus, carries encoder inside described motor, and encoder is electrically connected with servo controller group by connecting line; Described servo controller group includes signal generator and servo-driver, the output shaft axle center of motor connects power transmission shaft by bearing, power transmission shaft is with axis rotation, it is characterised in that: being provided with flabellum on described power transmission shaft, impulse with the focus outer disk of casing of flabellum is connected; Described focus impulses casing axle centered by the output shaft axle center of motor, and the focus casing that impulses is made up of upper cover and inside and outside dish, and upper cover is connected with outer disk, and described inside and outside tray bottom is all welded with metal spike-tooth; The output shaft axle center of motor is through the center of inner disc, and the axle center end bottom inner disc is welded with the base cone of metal, and base cone and spike-tooth bottom inner disc are used for securing the appliance to ground; The metal spike-tooth of the described inside and outside tray bottom of the casing that impulses is the metal Rhizoma Sparganii vertebral body welded symmetrically and evenly, and the spike-tooth of inner disc is more intensive than outer disk, and inner disc inserts the frictional force between ground aggrandizement apparatus and ground by spike-tooth and base cone; The flabellum installed on described power transmission shaft is symmetrically arranged, and flabellum is provided with the gim peg increasing weight; Motor drives flabellum to drive outer disk, upper cover to rotate around inner disc by power transmission shaft, and outer disk rotates and produces tangential vibration between spike-tooth and the ground making outer tray bottom, produces the SH ripple of all directions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410283669.6A CN104062679B (en) | 2014-06-23 | 2014-06-23 | A kind of earthquake SH ripple three-dimensional focus exploration device |
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| CN201410283669.6A CN104062679B (en) | 2014-06-23 | 2014-06-23 | A kind of earthquake SH ripple three-dimensional focus exploration device |
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| CN104062679B true CN104062679B (en) | 2016-06-15 |
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| CN105974462B (en) * | 2016-05-14 | 2018-05-04 | 上海新地海洋工程技术有限公司 | A kind of Intelligent earthquake exploration system based on Internet of Things |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3280935A (en) * | 1963-05-27 | 1966-10-25 | Continental Oil Co | Seismic torsional wave generator |
| US5187331A (en) * | 1991-03-28 | 1993-02-16 | Agency Of Industrial Science And Technology | SH wave generator |
| CN2821597Y (en) * | 2005-09-14 | 2006-09-27 | 四川石油管理局 | Transverse wave focus collision device |
| CN201247322Y (en) * | 2008-08-19 | 2009-05-27 | 北京中地国振科技有限公司 | Fixed linear precise controllable active earthquake seismology seismical origin device |
| CN102288988B (en) * | 2011-05-12 | 2012-08-08 | 中国科学院地质与地球物理研究所 | Portable small controllable earthquake focus combined device |
| CN202794549U (en) * | 2012-07-23 | 2013-03-13 | 中国神华能源股份有限公司 | Shear wave seismic focus base used for geological exploration system |
| CN203012147U (en) * | 2012-10-30 | 2013-06-19 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | Portable shear wave source device |
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Address after: 450003 No. 8, 3rd Street, Zhengzhou, Henan Co-patentee after: CHINA UNIVERSITY OF GEOSCIENCES (WUHAN CITY) Patentee after: Yellow River Survey Planning and Design Research Institute Co., Ltd. Address before: 450003 No. 8, 3rd Street, Zhengzhou, Henan Co-patentee before: CHINA UNIVERSITY OF GEOSCIENCES (WUHAN CITY) Patentee before: Yellow River Engineering Consulting Co., Ltd. |