Flat wave detector
Technical field
The utility model belongs to geophysical survey field, relates to a kind of flat wave detector receiving trap for seismic prospecting.
Background technology
Along with large-area development of the land exploration of oil, the developing zone of block is goed deep into the place of the humanistic environment complexity such as cities and towns, rural area gradually, and city-building is at development, as high-rise building, cement slabstone are paved the way etc.These all bring huge challenge to petroleum prospecting.
If exploration survey line passes through cities and towns, large-area location cannot embedding exploration receiving trap, and causes the condition of acceptance of receiving trap poor, can not get the earthquake-capturing data requiring.
For these special locations, existing method is to take taper wave detector to reach reception.
Fig. 1 and Fig. 2 show the taper wave detector of current use, for example 20DX-10 numeral taper wave detector.As depicted in figs. 1 and 2, taper wave detector comprises shell 11, receiver 12 and tail cone 13.
Shell 11 forms the outward appearance of taper wave detector.For attractive in appearance, shell 11 has regular shape (for example, rectangular shape, cylinder form etc.).Conventionally shell 11 forms rectangular shape, but is not limited to this.In addition, in the inner space of shell 11, accommodating receiver 12, to protect receiver 12(will be discussed in more detail below).When using taper wave detector, shell 11 does not make receiver 12 be exposed to external environment condition (for example, earth) and affects the normal work of receiver 12 like this.In addition, shell 11 carries the tramline 14 being connected with receiver 12, to transmit the signal sending from receiver 12.Specifically, tramline 14 is formed on the upper surface of shell 11 of rectangular shape.Conventionally, for attractive in appearance, tramline 14 is arranged on two limits parallel to each other of upper surface of shell 11 of rectangular shape integratedly and medially, but is not limited to this.Certainly, the position of tramline 14 on the upper surface of shell 11 will be guaranteed: after receiver 12 is arranged in the inner space of shell 11, tramline 14 contacts with receiver 12, to transmit the signal sending from receiver 12.
As mentioned above, receiver 12 is arranged in the inner space of shell 11.For convenient, receiver 12 is arranged in the inner space of shell 11, receiver 12 forms cylinder form.On the outside surface of the receiver 12 of cylinder form, be provided with screw thread (not shown), and be provided with the outer casing screw hole (not shown) with the threaded engagement of receiver 12 in the central interior of shell 11.In the time of like this in the inner space that receiver 12 is arranged in to shell 11, only need in shell threaded hole, manually rotate spirally receiver 12, make thus receiver 12 and shell 11 be arranged in one heart in the inner space of shell 11.
Tail cone 13 is arranged in the receiver 12 of cylinder form, but the top of only having tail cone 13 is arranged in the receiver 12 of cylinder form, the bottom exposed of tail cone 13 is to the outside of shell 11, to facilitate the bottom by tail cone 13 when using taper wave detector that taper wave detector is arranged in to external environment condition.For convenient, tail cone 13 is arranged in receiver 12, on the outside surface on the top of tail cone 13, be provided with screw thread (not shown), and be provided with the receiver threaded hole 17(of the threaded engagement of tail cone 13 and see Fig. 4 and Fig. 6 in the central authorities of the lower surface of receiver 12), the inner recess predetermined depth of receiver threaded hole 17 from the central authorities of the lower surface of receiver 12 towards receiver 12 and form the threaded engagement with the top of tail cone 13.In the time of like this in tail cone 13 is arranged in to receiver 12, only need in receiver threaded hole 17, manually rotate spirally tail cone 13, make thus tail cone 13 and receiver 12 be arranged in one heart in receiver 12.
Like this, as depicted in figs. 1 and 2, shell 11, receiver 12 and tail cone 13 are arranged concentrically with respect to one another and form taper wave detector according to mode from outside to inside, not only guaranteeing the function of taper wave detector but also do not affect the attractive in appearance of taper wave detector.In addition, because the volume of taper wave detector is not as depicted in figs. 1 and 2 very large, so rule of thumb generally the bottom surface diameter of a circle of tail cone 13 (that is, that circle of the area of section maximum of tail cone 13) is limited to 5mm.
When taper wave detector is worked, taper wave detector is taked " forcing on " embedding method,, utilize on plastic bag earth as receiver media, taper wave detector is inserted in polybag, the bottom of the tail cone 13 of taper wave detector is imbedded in earth, receive earthquake reflected wave.
Yet which has increased the ratio of damping of medium, receiving trap (that is, taper wave detector) is poor with the coupling of medium, earthquake reflected wave is played to the effect of weakening.And the data quality of the earthquake reflected wave receiving is poor.
Utility model content
The utility model has solved the technical matters because of the data quality of the poor earthquake reflected wave that can not effectively receive earthquake reflected wave and guarantee to receive of condition of acceptance of receiving trap.
According to the utility model, provide a kind of flat wave detector.Described flat wave detector comprises: shell, forms the outward appearance of flat wave detector; Receiver, is arranged in the inner space of shell; Bottom fixture, comprises plate and tail nut, and plate and tail nut fit to the lower surface of receiver, and plate and tail nut are exposed to the outside of shell.
Shell, receiver, plate and tail nut are arranged concentrically with respect to one another.
Shell forms rectangular shape, carries the tramline being connected with receiver.Receiver forms cylinder form, on the outside surface of the receiver of described cylinder form, is provided with screw thread.In the central interior of shell, be provided with the outer casing screw hole with the threaded engagement of receiver.
Tramline is formed on the upper surface of shell.
After receiver is arranged in the inner space of shell, tramline contacts with receiver.
In the central authorities of the lower surface of receiver, be provided with the receiver threaded hole with the threaded engagement of tail nut.Receiver threaded hole is towards the inner recess predetermined depth of receiver and form.
Plate forms equilateral triangle plate.Central authorities at described equilateral triangle plate are provided with through hole, for tail nut, pass.
When plate and tail nut fit to the lower surface of receiver, tail nut is inserted in receiver threaded hole through through hole, a face of the head of tail nut contact plate, the lower surface of another face contact receiver of plate.
Tail nut remove the degree of depth sum that length outside head equals thickness and the receiver threaded hole of plate.
Compare with the taper wave detector according to prior art, according to flat wave detector of the present utility model can effectively receive earthquake reflected wave and the data quality of the earthquake reflected wave guaranteeing to receive good.
Accompanying drawing explanation
By the description of carrying out below in conjunction with accompanying drawing, above and other of the present utility model aspect will become apparent, in the accompanying drawings:
Fig. 1 is according to the schematic diagram of the taper wave detector of prior art;
Fig. 2 is according to the decomposing schematic representation of the taper wave detector of prior art;
Fig. 3 is the schematic diagram according to flat wave detector of the present utility model;
Fig. 4 forms according to the schematic diagram of the first step of flat wave detector of the present utility model;
Fig. 5 forms according to the schematic diagram of the second step of flat wave detector of the present utility model;
Fig. 6 forms according to the schematic diagram of the 3rd step of flat wave detector of the present utility model.
Embodiment
3 to Fig. 6 describe according to flat wave detector of the present utility model with reference to the accompanying drawings.In the accompanying drawings, the identical label identical element of deixis all the time.
As shown in Figures 3 to 6, according to flat wave detector of the present utility model, comprise shell 11, receiver 12, bottom fixture 10.Bottom fixture 10 comprises plate 15 and tail nut 16, and plate 15 is arranged in receiver 12 together with tail nut 16.Yet, plate 15 and tail nut 16 are only the screw threads and the lower surface that fits to receiver 12 coordinating of receiver threaded hole 17 by tail nut 16, but not be contained in the inner space of receiver 12, make plate 15 and tail nut 16 be exposed to the outside of shell 11, to facilitate when using according to flat wave detector of the present utility model, by plate 15 and tail nut 16, flat wave detector is fixed to external environment condition.
Identical with structure, function and the connected mode of shell 11, receiver 12 and tramline 14 at the taper wave detector shown in Fig. 1 and Fig. 2 according to structure, function and the connected mode of the shell 11 of flat wave detector of the present utility model, receiver 12 and tramline 14.Therefore, at this, be no longer repeated in this description structure, function and the connected mode of shell 11, receiver 12 and tramline 14.
Certainly, with similar at the taper wave detector shown in Fig. 1 and Fig. 2, according to the shell 11 of flat wave detector of the present utility model, receiver 12, plate 15 and tail nut 16, also arrange concentrically with respect to one another.
Below mainly describe according to flat wave detector of the present utility model with respect to the improvements at the taper wave detector shown in Fig. 1 and Fig. 2.
By comparison diagram 3 to Fig. 6 and Fig. 1 and Fig. 2, obtain, the plate 15 and the tail nut 16 that according to flat wave detector utilization of the present utility model, form bottom fixture 10 substitute the tail cone 13 at the taper wave detector shown in Fig. 1 and Fig. 2.
Consider the property easy for installation of flat wave detector and attractive in appearance, in the situation that do not affect the function of plate 15, preferably, plate 15 forms equilateral triangle plate and arranges with one heart with receiver 12.In addition, consider the applied environment (for example, hard concrete floor, flagstone path etc.) of flat wave detector, require triangle plate 15 to have certain intensity, therefore preferably, triangle plate 15 forms equilateral triangle aluminium sheet.In addition, for size or the length of side of equilateral triangle aluminium sheet 15, there is no specific requirement, as long as guarantee, by equilateral triangle aluminium sheet 15 and tail nut 16, securely flat wave detector is fixed to external environment condition.
In addition, tail nut 16 adopts the external thread nut of ordinary steel material can meet requirement of strength, but need to select the length of tail nut 16, make when tail nut 16 is inserted in receiver the threaded hole 17 and top of contact receiver threaded hole 17 completely, equilateral triangle aluminium sheet 15 fits to the lower surface of receiver 12.For this reason, in the central authorities of equilateral triangle aluminium sheet 15, be provided with through hole 18, for tail nut 16, pass.Specifically, when equilateral triangle aluminium sheet 15 and tail nut 16 fit to the lower surface of receiver 12, tail nut 16 is inserted in receiver threaded hole 17 through through hole 18 and equilateral triangle aluminium sheet 15 is fitted to receiver 12, a face of the head contact equilateral triangle aluminium sheet 15 of tail nut 16.Thus, the lower surface of another face contact receiver 12 of equilateral triangle aluminium sheet 15.
Because the volume of flat wave detector is not as shown in Figures 3 to 6 very large, so rule of thumb generally the length of side of equilateral triangle aluminium sheet 15 is limited to 40mm, and the diameter of tail nut 16, receiver threaded hole 17 and through hole 18 is defined as to identical value, be 5mm.Certainly, the diameter of tail nut 16 and receiver threaded hole 17 can also be limited to 5mm, and by the diameter of through hole 18 be defined as be slightly larger than tail nut 16 diameter (for example, 6mm) be still less than the diameter of the head of tail nut 16, not make tail nut 16 pass completely through through hole 18, do not have the fixedly effect of equilateral triangle aluminium sheet 15.In addition, in order to make equilateral triangle aluminium sheet 15 fit to receiver 12, also by the degree of depth sum that length outside head equals thickness and the receiver threaded hole 17 of equilateral triangle aluminium sheet 15 of removing of tail nut 16.
The following describes and how to transform at the taper wave detector shown in Fig. 1 and Fig. 2 to obtain according to flat wave detector of the present utility model.
For convenience of description, in Fig. 3 to Fig. 6, receiver 12 is screwed so that a part for receiver 12 is exposed to the outside of shell 11, after completing the laminating of equilateral triangle aluminium sheet 15 and tail nut 16 and receiver 12, integral body screws receiver 12, equilateral triangle aluminium sheet 15 and tail nut 16 so that receiver 12 is arranged in the inner space of shell 11 again, and equilateral triangle aluminium sheet 15 and tail nut 16 are exposed to the outside of shell 11, obtain according to flat wave detector of the present utility model like this.Certainly, in order to simplify the operation, can directly equilateral triangle aluminium sheet 15 and tail nut 16 be fitted to receiver 12 in the situation that receiver 12 is arranged in the inner space of shell 11, to obtain according to flat wave detector of the present utility model.
As shown in Figures 3 to 6, first, from taper wave detector, rotate spirally tail cone 13 to dismantle tail cones 13 from receiver 12.
Then, be ready to equilateral triangle aluminium sheet 15 and tail nut 16, make tail nut 16 through the through hole 18 of equilateral triangle aluminium sheet 15, until the head of tail nut 16 contacts a face of equilateral triangle aluminium sheet 15, and keep this contact condition of equilateral triangle aluminium sheet 15 and tail nut 16.
Next, tail nut 16 in above-mentioned contact condition is inserted in receiver threaded hole 17, screw tail nut 16, the top of contact receiver threaded hole 17 until tail nut 16 is inserted in receiver threaded hole 17 completely, till making the lower surface of another face contact receiver 12 of equilateral triangle aluminium sheet 15.
Like this, by aforesaid operations, obtain according to flat wave detector of the present utility model.
Certainly, those skilled in the art will find apparent that, aforesaid operations is by manually carrying out.If but conditions permit, aforesaid operations also can be carried out automatically by machine.
If gather earthquake reflected wave under the hard external environment conditions such as cement flooring, flagstone path, first on cement flooring, flagstone path etc., smear fast dry powder, and smear fast dry powder on the described face not contacting with receiver 12 of equilateral triangle aluminium sheet 15, then by a described face of having smeared the equilateral triangle aluminium sheet 15 of fast dry powder is fixed on to the position of smearing fast dry powder on cement flooring, flagstone path etc., fix flat wave detector.
If gather earthquake reflected wave under the loose external environment conditions such as earth, only need to be according to the embedding flat wave detector of designing requirement.For example, can be according to the embedding method with taper wave detector the embedding flat wave detector of similar mode.
According to flat wave detector of the present utility model solved as hard concrete floor, the poor problem of the condition of acceptance of receiving trap in the applied environments such as flagstone path is good with the data quality of comparing the earthquake reflected wave that can effectively receive earthquake reflected wave and guarantee to receive according to the taper wave detector of prior art.
According to flat wave detector of the present utility model, be applicable to the hard special location of densification of cement pavement in cities and towns, rural area, flagstone pavement etc.
According to flat wave detector of the present utility model, can produce in a large number repacking, in following collection project, play one's part to the full.
The utility model is not limited to this, but can carry out various distortion.