CN202794549U - Shear wave seismic focus base used for geological exploration system - Google Patents
Shear wave seismic focus base used for geological exploration system Download PDFInfo
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- CN202794549U CN202794549U CN 201220359564 CN201220359564U CN202794549U CN 202794549 U CN202794549 U CN 202794549U CN 201220359564 CN201220359564 CN 201220359564 CN 201220359564 U CN201220359564 U CN 201220359564U CN 202794549 U CN202794549 U CN 202794549U
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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 claims description 39
- 230000000295 complement effect Effects 0.000 claims description 5
- 239000002360 explosive Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000011835 investigation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model relates to a shear wave seismic focus base used for a geological exploration system. The object of the utility model is to solve the problem of difficulty in generating ideal shear waves when a seismic focus device in the prior art performs three-component micro-logging field acquisition. The shear wave seismic focus base includes a base main body, a base lower cone arranged at a lower end of the base main body, ground-inserting nails used for nailing the base main body on a ground surface, a fixing plate used for fixing the ground-inserting nails, and a cover plate arranged on the base. When the shear wave seismic focus base is used, a user can stand on the cover plate and uses a hammer to knock one side of the base so as to generate ideal shear waves.
Description
Technical field
The utility model relates to geophysical exploration technology, relates in particular to a kind of shear wave source pedestal for the geologic prospecting system.
Background technology
Seismic prospecting is the difference of utilizing underground medium elasticity and density, by the response of observation and analysis the earth to artificial excitation's seismic event, infers the geophysical exploration method of the character and form of subterranean strata.Seismic prospecting is the important means of exploration oil and gas resource before the probing.At aspects such as coalfield and engineering geological investigation, Study on Regional Geology and earth's crust researchs, seismic prospecting also is used widely.
Seismic event in the seismic prospecting produces by the artificial excitation, is called man-made explosion.Man-made explosion is divided into two large classes usually: a class is explosive source, and another kind of is non-explosive source.The seismic event that explosive source excites has pulse characteristic and well reaches the higher advantage of energy, thereby is considered to a kind of desirable artificial earthquake focus, still is used as so far the main focus of earthquake-wave-exciting.Yet since explosive source exists that construction danger is large, cost is high and can't drilling well, the shortcoming such as areas of serious (such as desert, Gobi desert) use, in addition, in densely populated areas, the important building area even do not allow explosive charge, therefore develop non-explosive source, such as Dinoseis, weight and vibroseis etc., extremely important as seismic exploration seismic source.
Near the earth's surface in the certain limit, the earthquake velocity of wave propagation is often much lower than the velocity of wave on stratum below it, and the stratum of this depth range is called weathering zone.Weathering shooting is called again near-surface investigation, weathering zone investigation in the field work of seismic prospecting.
Micro logging is one of method of carrying out near-surface investigation, it is to adopt in the well by drilling well to blow out, ground receives or blow out in ground, at downhole receiving, from deep to shallow, at regular intervals pointwise observation, obtain the seismologic record of different depth, utilize the transmitted wave first arrival that is recorded to ask for thickness and the speed of weathering zone.
The three-component micro logging is a type of micro logging, in the detection method of utilizing the three-component micro logging: adopt hammering to realize that ground excites, the observation station of different depth arranges three-component seismometer in well, described three-component seismometer receives the described shock wave signal that excites generation, each observation station obtains three-component record, i.e. a vertical component and two horizontal components, so both can obtain compressional wave information, also can obtain the shear wave information of horizontal component, be the Changing Pattern of research top layer shear wave, and the physical parameter of definite surface materials provides basic data.
Exciting of seismic event is the key link of three-component micro logging data acquisition.Yet for the field acquisition of three-component micro logging, the shear wave energy that existing focus produces is very weak, often is submerged in to be difficult to identification in the various interference.
The utility model content
In view of this, the purpose of this utility model is, a kind of shear wave source pedestal for the seismic prospecting system is provided, and to solve existing seismic source apparatus when the field acquisition of three-component micro logging, is difficult to produce the problem of desirable shear wave.
For achieving the above object, the utility model is by the following technical solutions:
A kind of shear wave source pedestal for the geologic prospecting system, wherein, described pedestal comprises:
Base body, described Base body is cuboid, and in the upper end of described Base body, is provided with concurrently the first and second rectangular channels along the length direction of described Base body, and described the first rectangular channel and the second rectangular channel are separated by center wall; The bottom of described the first rectangular channel is provided with outstanding threaded column and runs through the plug pin bore of Base body, described threaded column and plug pin bore are disposed on the bottom of the first rectangular channel along the length direction of the first rectangular channel, and the bottom of described the second rectangular channel arranges identical with the bottom of described the first rectangular channel;
Bore under the pedestal, cone is fixedly connected with the lower end of Base body under the described pedestal, and cone is made of the first cone-plate that is right-angled intersection and the second cone-plate under the described pedestal, and the top of the top of described the first cone-plate and the second cone-plate is in the same plane;
Insert ground nail, described slotting ground nail is being provided with teat near upper end, and the diameter of described teat is greater than the diameter of plug pin bore, and the lower end of described slotting ground nail is passed plug pin bore and hammered into underground;
Fixed head, described fixed head is provided with perforate in the position corresponding with threaded column and plug pin bore,, and then compresses and inserts ground nail on the teat of described slotting ground nail by the nut compressing that is complementary with threaded column;
Cover plate, described cover plate is arranged on the upper end of pedestal, is used for covering pedestal.
Further, the length of described Base body: wide: height is 10-14:5-7:3-5; Described the first rectangular channel and the second rectangular channel are symmetrical about described center wall.
Further, bore the center that is fixedly connected on the Base body bottom surface under the described pedestal.
Further, the length of the top of described the first cone-plate is greater than the top of the second cone-plate, and the top of described the second cone-plate is parallel to the length direction of described Base body.
Further, the length and width size of described cover plate is identical with Base body, and be provided with the rectangle that matches with first, second rectangular channel in the lower end of described cover plate outstanding, so that when cover plate covers pedestal, described rectangle is outstanding to be embedded in the rectangular channel.
As seen from the above technical solution, the shear wave source pedestal that the utility model provides, the user may stand in and uses hammer to knock an end of pedestal on the cover plate, thereby produces desirable shear wave, and is simple in structure, is convenient to carrying, is not subjected to the construction site conditionality.It is accurate to have crash direction, and hitting dynamics can be controlled, and the simple to operate and high advantage of operating efficiency is the shear wave source corollary apparatus of a kind of economy, safety and environmental protection.
Description of drawings
Fig. 1 is the vertical view of pedestal of the present utility model when not adding cover plate
Fig. 2 is that Fig. 1 is at the side view at B-B place;
Fig. 3 is the vertical view of Base body among Fig. 1;
Fig. 4 is the side view at cone A-A place in Fig. 3 under Base body and the pedestal;
Fig. 5 is the synoptic diagram of boring under the pedestal among Fig. 4;
Fig. 6 is the synoptic diagram of fixed head among Fig. 2;
Fig. 7 is the synoptic diagram of inserting ground nail among Fig. 2;
Fig. 8 is the synoptic diagram of cover plate of the present utility model;
Fig. 9 is the synoptic diagram that installs the pedestal of handle in a kind of embodiment of the utility model additional.
Embodiment
Below in conjunction with accompanying drawing the utility model is described, but therefore the utility model is not subject to any restriction.Need to prove, the following describes middle use word " left side ", " right side ", " on ", D score and synonym thereof refer to the direction in the accompanying drawing.
Referring to Fig. 1-9, the seismic source apparatus that the utility model provides comprises bores 2, fixed head 3, inserts ground nail 4 and cover plate 5 under Base body 1, the pedestal.
Such as Fig. 1, Fig. 3 and shown in Figure 4, described Base body 1 is cuboid, and preferably, the length of described Base body: wide: height is 10-14:5-7:3-5.Upper end in Base body 1, length direction along described Base body 1 is provided with the first and second rectangular channels 11,12 concurrently, described the first rectangular channel 11 and the second rectangular channel 12 are separated by center wall 14, and described the first rectangular channel 11 and the second rectangular channel 12 are about described center wall 14 symmetries.
The bottom of described the first rectangular channel 11 is provided with outstanding threaded column 15 and runs through the plug pin bore 16 of Base body 1, and described threaded column 15 and plug pin bore 16 are disposed on the bottom of the first rectangular channel 11 along the length direction of the first rectangular channel 11, as shown in Figure 4.The bottom of described the second rectangular channel is provided with threaded column 15 and plug pin bore 16 equally, and with the threaded column 15 of described the first rectangular channel and plug pin bore 16 about center wall 14 symmetries.Preferably, at the first rectangular channel 11 or the second rectangular channel 12, the quantity of described threaded column 15 and plug pin bore 16 is respectively 3 and 2.
Such as Fig. 2, Fig. 4 and shown in Figure 5, cone 2 is positioned at the lower end of Base body 1 under the described pedestal, is fixedly connected on the center of Base body 1 bottom surface.Cone 2 is made of the first cone-plate 21 that is right-angled intersection and the second cone-plate 22 under the described pedestal, and the top 211 of described the first cone-plate 21 and the top 221 of the second cone-plate 22 are in the same plane, and said cone-plate is that the width of fingerboard reduces from top to bottom gradually here.Preferably, the top 221 of the second cone-plate is longer than in the top 211 of described the first cone-plate, and the top 211 of described the second cone-plate is parallel to the length direction of described Base body 1.Preferably, cone 2 is structure as a whole with Base body 1 under the described pedestal, by injection mo(u)lding.
As shown in Figure 7, described slotting ground nail 4 passes plug pin bore 16 and hammers into undergroundly, and described slotting ground nail 4 is being provided with teat 41 near its upper end, and the diameter of described teat 41 further hammers into underground greater than the diameter of plug pin bore 16 thereby limit described slotting ground nail 4.Preferably, also be provided with one section diameter contraction section 42 in the top of described slotting ground nail 4, fix slotting ground nail in order to be used nut.
As shown in Figure 6, described fixed head 3 growth bar shapeds are used for the fixing ground nail 4 of inserting.Described fixed head 3 is provided with perforate 31 in the position corresponding with threaded column 15 and plug pin bore 16, is pressed on the teat 41 of described slotting ground nail by the nut 13 that is complementary with threaded column 15, and then compresses and insert ground nail 4.Preferably, the diameter of the diameter of described perforate 31 and threaded column 15 and slotting ground nail 4 upper ends is complementary, so that the upper end of described threaded column 15 and slotting ground nail 4 can be passed fixed head 3 well.
As shown in Figure 8, described cover plate 5 is arranged on the upper end of Base body 1, is used for covering Base body 1, uses hammer to knock an end of Base body on the Base body so that the user can stand on.Preferably, the length and width size of described cover plate 5 is identical with Base body 1, and be provided with first, second rectangle outstanding 51,52 that matches with first, second rectangular channel 11,12 in the lower end of described cover plate 5, so that when cover plate 5 covers Base body 1, described rectangle is outstanding can be embedded in the rectangular channel well, makes cover plate 5 and the combination of Base body 1 be not easy to lateral slip.
The seismic source apparatus that the utility model provides at first is fixed on the earth's surface with Base body by cone under the pedestal on its insertion earth's surface, lower end when mounted; Then pass the plug pin bore that is arranged in described first, second rectangular channel and hammer into slotting ground nail to the earth's surface, because described nailing on is provided with teat slottingly, therefore can guarantee that the upper end of described slotting ground nail is positioned at first, second rectangular channel; Perforate on the described fixed head is passed in the upper end of threaded column and slotting ground nail, then by the nut that is complementary with threaded column fixed head is pressed on and describedly nails on slottingly; At last at pedestal loam cake upper cover plate.In use, the user may stand in an end that uses hammer to knock from the side pedestal on the cover plate, and produces shear wave.Because the knocking direction is vertical with direction of wave travel, and crash direction is accurate, hitting dynamics can be controlled, and can by repeatedly stack, reduce interference, thereby can produce comparatively desirable shear wave.
Preferably, as shown in Figure 9, the both sides on the long limit of described Base body are provided with handle 17, with convenient carrying.
The focus pedestal that the utility model provides, simple in structure, be convenient to carrying, be not subjected to the construction site conditionality.It is accurate to have crash direction, and hitting dynamics can be controlled, and the simple to operate and high advantage of operating efficiency is the shear wave source corollary apparatus of a kind of economy, safety and environmental protection.
Claims (5)
1. shear wave source pedestal that is used for the geologic prospecting system is characterized in that described pedestal comprises:
Base body, described Base body is cuboid, and in the upper end of described Base body, is provided with concurrently the first and second rectangular channels along the length direction of described Base body, and described the first rectangular channel and the second rectangular channel are separated by center wall; The bottom of described the first rectangular channel is provided with outstanding threaded column and runs through the plug pin bore of Base body, described threaded column and plug pin bore are disposed on the bottom of the first rectangular channel along the length direction of the first rectangular channel, and the bottom of described the second rectangular channel arranges identical with the bottom of described the first rectangular channel;
Bore under the pedestal, cone is fixedly connected with the lower end of Base body under the described pedestal, and cone is made of the first cone-plate that is right-angled intersection and the second cone-plate under the described pedestal, and the top of the top of described the first cone-plate and the second cone-plate is in the same plane;
Insert ground nail, described slotting ground nail is being provided with teat near upper end, and the diameter of described teat is greater than the diameter of plug pin bore, and the lower end of described slotting ground nail is passed plug pin bore and hammered into underground;
Fixed head, described fixed head is provided with perforate in the position corresponding with threaded column and plug pin bore,, and then compresses and inserts ground nail on the teat of described slotting ground nail by the nut compressing that is complementary with threaded column;
Cover plate, described cover plate is arranged on the upper end of pedestal, is used for covering pedestal.
2. pedestal as claimed in claim 1 is characterized in that, the length of described Base body: wide: height is 10-14:5-7:3-5; Described the first rectangular channel and the second rectangular channel are symmetrical about described center wall.
3. pedestal as claimed in claim 1 is characterized in that, cone is fixedly connected on the center of Base body bottom surface under the described pedestal.
4. pedestal as claimed in claim 3 is characterized in that, the length of the top of described the first cone-plate is greater than the top of the second cone-plate, and the top of described the second cone-plate is parallel to the length direction of described Base body.
5. pedestal as claimed in claim 1, it is characterized in that the length and width size of described cover plate is identical with Base body, and be provided with the rectangle that matches with first, second rectangular channel in the lower end of described cover plate outstanding, so that when cover plate covers pedestal, described rectangle is outstanding to be embedded in the rectangular channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220359564 CN202794549U (en) | 2012-07-23 | 2012-07-23 | Shear wave seismic focus base used for geological exploration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220359564 CN202794549U (en) | 2012-07-23 | 2012-07-23 | Shear wave seismic focus base used for geological exploration system |
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| Publication Number | Publication Date |
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| CN202794549U true CN202794549U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220359564 Expired - Lifetime CN202794549U (en) | 2012-07-23 | 2012-07-23 | Shear wave seismic focus base used for geological exploration system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062679A (en) * | 2014-06-23 | 2014-09-24 | 黄河勘测规划设计有限公司 | Seismic SH wave three-dimensional exploration earthquake source device |
| CN105676274A (en) * | 2016-02-04 | 2016-06-15 | 中国有色金属工业昆明勘察设计研究院 | Ground anchor seismic focus device for exciting shear wave of loose ground layer through stratum detection method |
| CN109116408A (en) * | 2018-10-20 | 2019-01-01 | 西南石油大学 | A kind of shear wave source vibrator for seismic prospecting |
| CN109444950A (en) * | 2018-12-14 | 2019-03-08 | 华北水利水电大学 | A kind of shear wave source suitable for field Seismic Operation |
| CN109752756A (en) * | 2019-02-01 | 2019-05-14 | 常州常工电子科技股份有限公司 | Detect the earth's surface exciting bank and method of shallow embedding object |
-
2012
- 2012-07-23 CN CN 201220359564 patent/CN202794549U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062679A (en) * | 2014-06-23 | 2014-09-24 | 黄河勘测规划设计有限公司 | Seismic SH wave three-dimensional exploration earthquake source device |
| CN105676274A (en) * | 2016-02-04 | 2016-06-15 | 中国有色金属工业昆明勘察设计研究院 | Ground anchor seismic focus device for exciting shear wave of loose ground layer through stratum detection method |
| CN109116408A (en) * | 2018-10-20 | 2019-01-01 | 西南石油大学 | A kind of shear wave source vibrator for seismic prospecting |
| CN109444950A (en) * | 2018-12-14 | 2019-03-08 | 华北水利水电大学 | A kind of shear wave source suitable for field Seismic Operation |
| CN109752756A (en) * | 2019-02-01 | 2019-05-14 | 常州常工电子科技股份有限公司 | Detect the earth's surface exciting bank and method of shallow embedding object |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |