CN101545979A - Underwater seismic detector string - Google Patents
Underwater seismic detector string Download PDFInfo
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- CN101545979A CN101545979A CN200810015469A CN200810015469A CN101545979A CN 101545979 A CN101545979 A CN 101545979A CN 200810015469 A CN200810015469 A CN 200810015469A CN 200810015469 A CN200810015469 A CN 200810015469A CN 101545979 A CN101545979 A CN 101545979A
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- protective case
- detector
- wave detector
- underwater seismic
- loam cake
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Abstract
The invention relates to an underwater seismic detector string, which is provided with a shell consisting of a lower protective shell and an upper cover, a plug, detector cassette mechanisms, a transmission cable, a tail cone and a steel rope; the detector cassette mechanisms are fixed in the shell; the plug is connected with the upper cover by threads, wherein the shell is provided with cable through holes; a plurality of the detector cassette mechanisms are assembled in the shell in a sealing mode according to a serial and parallel structure; the detector cassette mechanisms are arranged in grooves of the lower protective shell respectively, and are fixed by tablets and fastening screws; the detector cassette mechanisms are sequentially and serially connected by conducting wires, and are connected with the transmission cable by a wiring terminal; and the other end of the transmission cable passes through the upper cover and the plug, and are output. The underwater seismic detector string has compact and reasonable structure, reliable seal, easy assembly, small volume, light weight, convenient mounting and fixation, and excellent waterproof and pressure resisting performances, and can be simultaneously used in various service environments of land, shallow fords of rivers, lakes and seas and offshore waters and other filed construction sites.
Description
Technical field
The present invention relates to a kind of earthquake detector arrangement, specifically a kind of underwater seismic detector string.
Background technology
At present, along with further developing of petroleum prospecting industry, petroleum prospecting can not be only on pure land or deepwater regions carry out, complete exploration block includes land under a lot of situations, the shoal of rivers,lakes and seas even offshore waters, use traditional land to go here and there or go here and there under water, only can in the usable range of himself, bring into play sharpest edges, when being used in others, needs then shown many drawbacks and deficiency, so the string that unit in charge of construction usually needs to carry multiple type of service goes out to construct and the classification maintenance, not only increase unit in charge of construction's cost of investment and maintenance cost, more influenced the effect and the schedule of petroleum prospecting.
Existing land wave detector mainly adopts the mode of many wave detector movements by series and parallel is made up, these single core wave detectors adopt the mode of weighting to come acknowledge(ment) signal in work progress, need be with the correct respectively placement of each single core wave detector, be difficult to guarantee whole accuracy, and construction intensity is big, leak electric leakage, short circuit, open circuit hidden danger is many, and this single core wave detector has more determined it to be used in water environment in the limitation of inconvenience aspect the construction and sealing effectiveness.
And traditional string under water, single core wave detector profile mostly is olive shape, be beneficial to place under water, but inconvenience because every string mostly is ten several single core wave detectors and forms, causes construction intensity big in the land area placement, and the electric leakage of leaking is serious, and working service is very inconvenient; Announced a kind of underwater seismic detector as Chinese patent 96227130.6, many wave detector movements are placed in the protective case, but the big planar structure of its bottom causes it when the water environment that pasture and water are arranged uses, and is difficult for being pressed in the earth, influences the coupling effect of signal.
Summary of the invention
Technical matters to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, provides a kind of structure compact, rationally, and sealing is reliable, assembling easily, volume is little, in light weight, install and fix conveniently the underwater seismic detector string that the waterproof withstand voltage properties is good.Can in the multiple environment for use at field construction scenes such as the shoal of land, river Hu Hai and offshore waters, take into account use.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of underwater seismic detector string, it is provided with down the housing of protective case and loam cake composition, screw plug, the wave detector movement, transmission cable, tail cone, wire rope, the wave detector movement is fixed in the housing, screw plug is connected with loam cake by screw thread, wherein be provided with the cable through hole, it is characterized in that: some wave detector movements are with string, and sealing structure is assembled in the housing, the wave detector movement is placed in down respectively in the groove of protective case, fix by compressing tablet and holding screw, the wave detector movement is by lead head and the tail series connection successively, and be connected with transmission cable by connection terminal, the transmission cable other end passes loam cake, screw plug output.
The said loam cake of the present invention is provided with O-ring seals with following protective case junction, by the pressure pad extruding sealing rubber pad is installed between loam cake and the screw plug, injects silica gel in the following protective case, forms the silica gel sealing layer.Waterproof sealing is reliable.
The external thread place of screw plug of the present invention is provided with curved draw-in groove, and the steel cord ends snap ring is set in wherein.Make things convenient for installing and fixing of wire rope, improved the strength of joint of steel cord ends snap ring and main body greatly.
The present invention is fixed on many wave detector series and parallels in same the housing owing to adopting, against existing technologies, its structure is compact, reasonable, sealing is reliable, assembling easily, volume is little, in light weight, install and fix conveniently, and the waterproof withstand voltage properties is good, can take into account use in the multiple environment for use at field construction scenes such as the shoal of land, river Hu Hai and offshore waters.Anti-erosional competency is strong in various waters and marine site, and field construction is convenient and swift, the waters that is specially adapted to the shoal of rivers,lakes and seas and is no more than the offshore waters of 15 meters depth of waters and is not easy to use seabed wind.Applicable to seismic prospectings such as petroleum prospecting, bridge pile foundation detection, dam explorations.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the shape assumption diagram of screw plug of the present invention;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is that the A-A of Fig. 1 is to synoptic diagram;
Fig. 5 is a double-decker synoptic diagram of the present invention.
Label among the figure is: 1. wire rope, 2. screw plug, 3. loam cake, 4. pressure pad, 5. sealing rubber pad, 6. pan head screw, 7.O shape O-ring seal, 8. silica gel sealing layer, 9. transmission cable, 10. compressing tablet, 11. wave detector movements, 12. times protective cases, 13. the tail cone mounting hole, 14. cones, 15. tail cones, 16. middle protective case, 17. attachment screws.
Embodiment
From Fig. 1, among Fig. 4 as can be seen, a kind of underwater seismic detector string of the present invention, it is provided with down the housing of protective case 12 and loam cake 3 compositions, screw plug 2, wave detector movement 11, transmission cable 9, tail cone 15, wire rope 1, wave detector movement 11 is fixed in the housing, screw plug 2 is connected with loam cake 3 by screw thread, wherein be provided with the cable through hole, some wave detector movements 11 are with string, and sealing structure is assembled in the housing, wave detector movement 11 is placed in down respectively in the groove of protective case 12, fix by compressing tablet 10 and holding screw, the wave detector movement is by lead head and the tail series connection successively, and be connected with transmission cable by connection terminal, the transmission cable other end passes loam cake, screw plug output.
Some wave detector movements of the present invention are contained in the housing with string and structural group.With six strings is example in the lump, the present invention is placed in down 6 wave detector movements 11 respectively in the groove of protective case 12, utilize holding screw 8, compressing tablet 10 is fixed wave detector movement 11, utilize lead that 6 wave detector movements 11 head and the tail successively are together in series then, the positive pole of every wave detector movement 11 is communicated with wire bonds with the negative pole of one of front, the external wire that stretches out by the idle connection terminal of dedicated transmissions cable 9 and two other welds respectively and is communicated with at last, the other end of transmission cable 9 then passes loam cake 3, rubber blanket 5, pressure pad 4 and screw plug 2 outputs link to each other with connection clamp.
The present invention is fixed on 6 wave detector movements 11 in the following protective case 12, make the volume and the weight of whole string all obviously reduce, in addition picking up also of seismic signal had some improvement, main is the working strength that has reduced workmen in water environment, reduce the possibility of the electric leakage of leaking, improved work efficiency.
For guaranteeing product hermeticity, the present invention has taked the two seals measure.At first, be provided with compression O RunddichtringO 7 in loam cake 3 and following protective case 12 junctions, between loam cake 3 and screw plug 4,, realize the first road sealing function, can guarantee the product hydraulic pressure of anti-0.2MPa of the present invention and leaky do not occur leaking by adopting pressure pad 4 extruding that sealing rubber pads 5 sealings are installed; Secondly, the present invention injects silica gel in protective case, and protective case comprises protective case 12 and double-deck middle protective case 16 down, with shown in Figure 5.After silica gel solidifies, form silica gel sealing layer 8, can be coated on firmly on movement 11 solder joints, realize the sealing of second road, this one seal approach, can not leak electricity bearing to leak when exceeding withstand voltage scope even can guarantee the present invention yet, guarantee carrying out smoothly of ground observation work, reduce frequent maintenance work product.The twice waterproof sealing measure of being adopted, has the withstand voltage premium properties of waterproof, anti-erosional competency is strong in various waters and marine site, and field construction is convenient and swift, the waters that is specially adapted to the shoal of rivers,lakes and seas and is no more than the offshore waters of 15 meters depth of waters and is not easy to use seabed wind.Applicable to seismic prospectings such as petroleum prospecting, bridge pile foundation detection, dam explorations.This series underwater digit seismic detector string soaks 48 hours insulation resistances and is not less than 200 megaohms 15 meters deepwater field.
The present invention designs and produces curve draw-in groove structure at the external thread place of screw plug 2, as Fig. 2, shown in Figure 3, the snap ring of injection moulding wire rope 1 end is then very easily in the curved draw-in groove of suit screw plug 2, do not hinder the fixed effect and the sealing effectiveness of screw plug 2 and loam cake 3, can guarantee that dedicated transmissions cable 9 passes from the central authorities of screw plug 4, also reduce the complexity that installs and fixes operation, the strength of joint that has guaranteed injection moulding wire rope 1 snap ring and main body.Make things convenient for installing and fixing of wire rope, also increased the reliability of use and the convenience of processing and fabricating aspect.
The present invention has four tail cone mounting holes 13 in the exterior bottom design of following protective case 12, when being used to the land area use, can consider in the bottom of following protective case 12 three tail cones 15 to be installed, and can guarantee the agent structure maintenance horizontality that volume and weight are all bigger; And have when using in the environment of pasture and water when being used to shoal or offshore waters, then can change and be installed as cone 14 and a tail cone 15 in the bottom of following protective case 12, make the latter half of main body become a kind of approximate streamlined structure, such structure makes when main body is used in the waters that pasture and water are arranged, can be inserted in the earth below the pasture and water more conveniently, maximum possible guarantee the signal coupling effect, strengthen whole string and accepted the ability to accept of seismic signal, the fluctuation of water and the interference effect of motion of pasture and water have been reduced to going here and there, increase ease of use to a great extent, expanded range of application.
The present invention can also be made into sandwich construction as required, as shown in Figure 5, is about to these wave detector movements and makes certain series and parallel structure on demand, to satisfy the specific (special) requirements of unit in charge of construction when specifically exploring.As when using 12 wave detector, adopt six strings, two parallel-connection structures.Can on the basis of original protective case 12 down, increase the structure of a middle protective case 16 easily.Concrete operation is exactly, protective case structure 16 in the middle of increasing by one again, the same compressing tablet 10 that uses is fixed on other 6 conventional wave detector movements 11 in the circular middle protective case 16, utilize lead that 6 movements, 11 head and the tail are together in series then, the positive pole of every movement 11 is communicated with wire bonds with the negative pole of one of front, descend two external wires in the protective case 12 then can arrive in the middle protective case 16 then by the through hole of middle protective case 16 bottoms, be communicated with the corresponding core end welding of transmission cable 9 as parallel-connection structure with other two external wires in the middle protective case 16, after on the solder joint of external wire and cable core, covering glue, just can guarantee the sealing effectiveness of entire body.
Claims (7)
1. underwater seismic detector string, it is provided with down the housing of protective case and loam cake composition, screw plug, the wave detector movement, transmission cable, tail cone, wire rope, the wave detector movement is fixed in the housing, screw plug is connected with loam cake by screw thread, wherein be provided with the cable through hole, it is characterized in that: some wave detector movements are with string, and sealing structure is assembled in the housing, the wave detector movement is placed in down respectively in the groove of protective case, fix by compressing tablet and holding screw, the wave detector movement is by lead head and the tail series connection successively, and be connected with transmission cable by connection terminal, the transmission cable other end passes loam cake, screw plug output.
2. underwater seismic detector string according to claim 1 is characterized in that: 6 wave detector movements are with six strings, sealing structure is assembled in the housing in the lump, and are connected with outside by cable.
3. underwater seismic detector string according to claim 1 is characterized in that: set up protective case in the middle of between loam cake and the following protective case, 12 wave detector movements with six strings, two and sealing structure be assembled in the housing.
4, underwater seismic detector string according to claim 1 is characterized in that: loam cake is provided with O-ring seals with following protective case junction, by the pressure pad extruding sealing rubber pad is installed between loam cake and the screw plug, injects silica gel in the protective case, forms the silica gel sealing layer.
5, underwater seismic detector string according to claim 1 is characterized in that: the external thread place of screw plug is provided with curved draw-in groove, and the wire line shoe ring set is contained in the curved draw-in groove.
6, underwater seismic detector string according to claim 1 is characterized in that: the bottom of following protective case is provided with four tail cone threaded holes, and three tail cones are installed in the bottom.
7, as underwater seismic detector string according to claim 1, it is characterized in that: the bottom of following protective case is provided with four tail cone threaded holes, and a tail cone is installed by cone in the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810015469A CN101545979A (en) | 2008-03-26 | 2008-03-26 | Underwater seismic detector string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810015469A CN101545979A (en) | 2008-03-26 | 2008-03-26 | Underwater seismic detector string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101545979A true CN101545979A (en) | 2009-09-30 |
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ID=41193215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810015469A Pending CN101545979A (en) | 2008-03-26 | 2008-03-26 | Underwater seismic detector string |
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| Country | Link |
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| CN (1) | CN101545979A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200587A (en) * | 2010-11-03 | 2011-09-28 | 北京三迭系石油勘探技术开发有限责任公司 | Method for receiving and processing seismic signals |
| CN102243322A (en) * | 2011-04-29 | 2011-11-16 | 中煤科工集团西安研究院 | Butting device for underground seismic detector in coal mine and anchor rod |
-
2008
- 2008-03-26 CN CN200810015469A patent/CN101545979A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200587A (en) * | 2010-11-03 | 2011-09-28 | 北京三迭系石油勘探技术开发有限责任公司 | Method for receiving and processing seismic signals |
| CN102200587B (en) * | 2010-11-03 | 2013-04-03 | 北京三迭系石油勘探技术开发有限责任公司 | Method for receiving and processing seismic signals |
| CN102243322A (en) * | 2011-04-29 | 2011-11-16 | 中煤科工集团西安研究院 | Butting device for underground seismic detector in coal mine and anchor rod |
| CN102243322B (en) * | 2011-04-29 | 2013-07-17 | 中煤科工集团西安研究院 | Butting device for underground seismic detector in coal mine and anchor rod |
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Application publication date: 20090930 |