CN202837560U

CN202837560U - Geophone

Info

Publication number: CN202837560U
Application number: CN2012205066764U
Authority: CN
Inventors: 不公告发明人
Original assignee: BAODING RUIKE GEOPHYSICAL SURVEY INSTRUMENT MANUFACTURING Co Ltd
Current assignee: BAODING RUIKE GEOPHYSICAL SURVEY INSTRUMENT MANUFACTURING Co Ltd
Priority date: 2012-09-29
Filing date: 2012-09-29
Publication date: 2013-03-27
Anticipated expiration: 2022-09-29

Abstract

The utility model provides a geophone which comprises a top cap, a shell, a tail taper sleeve and a tail taper with a drill bit, wherein, the tail taper is connected with a bottom bolt of the shell through the tail taper sleeve. The upper portion of the tail taper sleeve is connected the bottom bolt through a screw hole. An inner taper hole of the tail taper sleeve is matched with the tail taper. According to the geophone, contact areas and compactness with a ground surface medium are increased through the tail taper with the drill bit, anti-interference property of the geophone is enhanced, coupling resonance frequency is high, a signal to noise ratio of seismic data is high and the purpose of precise stratum and geologic structure exploration is achieved.

Description

Seismoreceiver

Technical field

The utility model relates to the wave detector field, relates in particular to a kind of seismoreceiver.

Background technology

Seismoreceiver is widely used in the fields such as petroleum prospecting, seismic prospecting and construction work exploration, and it comprises detector core body and housing parts, at outer casing bottom tail cone is housed.In the actual exploration, only have tail cone and ground good coupling could receive the reflection wave signal that Artificial Seismic Wave forms in the stratum in the open air.The coupling on seismoreceiver and earth's surface realizes by the seismoreceiver tail cone.The quality of coupling directly affects the quality of reception of data.

The working method of seismoreceiver is: tail cone is fixed in the medium of earth's surface, and tail cone receives the seismic event that produces from man-made explosion.Tail cone in the seismoreceiver plays an important role in the process that detects earthquake.The coupling of tail cone on seismoreceiver and earth's surface is in system for acquiring seismic data foremost, its position and function particular importance, only have seismoreceiver tail cone and earth's surface to have high-quality coupling, the signal of wave detector output could reproduce the vibrations of the earth really, thereby obtain high-quality seismic data, finally reach the underground true stratum of true reappearance and architectonic purpose.

Common wave detector is plugging than being easier to than the hag face, but on frozen soil, ice sheet or hard ground, just be difficult to insert, must will insert with the wave detector of conical tail cone in the hole of accomplishing fluently again with the drill rod punching or with drill hole of drilling machine first, tail cone is difficult to fit tightly with ground like this, and contact performance is poor, construction bothers, waste time and energy, executive cost is high.

The utility model content

The utility model provides a kind of seismoreceiver, to overcome the defective of existing seismoreceiver and earth's surface coupling undertighten.

The utility model provides a kind of seismoreceiver, this seismoreceiver comprises top cover, shell, tail cone cover and with the tail cone of drill bit, wherein, described tail cone links to each other with the bottom bolts of described shell through described tail cone cover, the top of described tail cone cover links to each other with described bottom bolts by screw, and the internal taper hole of described tail cone cover matches with described tail cone.

Preferably, be provided with the bubble level indicating device on the described top cover, this bubble level indicating device is used to indicate described seismoreceiver and whether is in horizontality.

Preferably, described tail cone is that the Split detachable formula connects.

Preferably, described tail cone cover comprises levelling device and fastener, described levelling device, match with described bubble level indicating device, be used for making the coil movement direction of described seismoreceiver to keep vertical with the sea level, described fastener is used for described tail cone and described tail cone cover together fastening.

Preferably, described levelling device is ball-and-socket joint.

Preferably, described fastener is trip bolt.

Preferably, the top of described tail cone is quadrangular, and the bottom of described tail bone is long screw thread drill bit.

Preferably, described quadrangular is the quadrangular with groove.

Above-mentioned seismoreceiver, increased contact area and tightness degree with the earth's surface medium by the tail cone with drill bit, strengthened the anti-interference of wave detector, made the coupling resonance frequency high, the signal to noise ratio (S/N ratio) of seismic data is high, has realized meticulous exploration stratum and architectonic purpose.

Description of drawings

Fig. 1 is the structural representation of the utility model seismoreceiver;

Fig. 2 is the structural representation of the utility model seismoreceiver top cover;

Fig. 3 is the structural representation of the utility model seismoreceiver tail cone cover;

Fig. 4 is that the utility model seismoreceiver is with the structural representation of the tail cone of drill bit.

Embodiment

For making the purpose of this utility model, technical scheme and advantage clearer, hereinafter in connection with accompanying drawing embodiment of the present utility model is elaborated.

As shown in Figure 1, this seismoreceiver comprises top cover 1, shell 2, tail cone cover 3 and with the tail cone 4 of drill bit, described tail cone links to each other with the bottom bolts of described shell through described tail cone cover, the top of described tail cone cover links to each other with described bottom bolts by screw, and the internal taper hole of described tail cone cover matches with described tail cone.

Wherein, the top cover of this seismoreceiver comprises bubble level indicating device 11 and housing 12, and as shown in Figure 2, this bubble level indicating device is used to indicate seismoreceiver and whether is in horizontality.

This tail cone cover comprises levelling device and fastener, described levelling device matches with described bubble level indicating device, is used for making the coil movement direction of described seismoreceiver to keep vertical with the sea level, described fastener is used for described tail cone and described tail cone cover together fastening.This levelling device can be ball-and-socket joint, and this fastener can be trip bolt, and as shown in Figure 3, this tail cone cover comprises ball-and-socket joint 31, tail cone set of shells 32 and trip bolt 33.

In addition, should comprise the quadrangular 41 on top and the long screw thread drill bit 42 of bottom with the tail cone of drill bit, as shown in Figure 4.

Further, the levelling device on tail cone cover top matches with the bubble level indicating device in the top cover, can make wave detector coil movement direction vertical with the sea level.Internal taper hole in quadrangular in the tail cone and the tail cone cover matches, and the two should fit tightly.In order to prevent that tail cone and tail cone cover from getting loose, and overlaps 3 sides at tail cone trip bolt 33 is housed.Contact in order to make tail cone quadrangular 41 and tail cone overlap 3 monolithic stabilities, open one section groove at tail cone quadrangular 41, in order to avoid relatively rock.

This seismoreceiver adopts the structure of separable assembled, first the top cover 1 of seismoreceiver, shell 2 are revolved with tail cone cover 3 during construction and be integrated, again trip bolt 33 is unclamped, withdraw from tail cone 4, put place to be measured, tail cone 4 usefulness spanners or power drill are screwed in frozen soil, ice face or hard ground, to be enclosed within on the tail cone 4 with the tail cone cover 3 of seismoreceiver subsequently, trip bolt 33 is screwed, last bubble level indicating device 11 and ball-and-socket joint 31 are used in conjunction with, and the capable of regulating wave detector is until it is in vertical state.

This seismoreceiver is compared with traditional detector, has the following advantages:

(1) adopt the Split detachable release mechanism, available instrument screws in tail cone hard underground fast;

(2) can guarantee wave detector and ground good coupling, tail cone adopts drill bit, is conducive to enter underground, has increased simultaneously the contact area with ground;

(3) can guarantee that wave detector coil movement direction is definitely vertical with the sea level, improve precision;

(4) simple to operate, efficient is high, saves cost;

(5) tail cone contacts closely with the tail cone cover;

During (6) to the operation of the hard earth's surface such as frozen soil, ice sheet, rock, advantage is very obvious.

Above embodiment is only unrestricted in order to the technical solution of the utility model to be described, only with reference to preferred embodiment the utility model is had been described in detail.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical solution of the utility model, and do not break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. seismoreceiver is characterized in that:

This seismoreceiver comprises top cover, shell, tail cone cover and with the tail cone of drill bit, wherein, described tail cone links to each other with the bottom bolts of described shell through described tail cone cover, and the top of described tail cone cover links to each other with described bottom bolts by screw, and the internal taper hole of described tail cone cover matches with described tail cone.

2. seismoreceiver according to claim 1 is characterized in that:

Be provided with the bubble level indicating device on the described top cover, this bubble level indicating device is used to indicate described seismoreceiver and whether is in horizontality.

3. seismoreceiver according to claim 1 is characterized in that:

Described tail cone is that the Split detachable formula connects.

4. seismoreceiver according to claim 2 is characterized in that:

Described tail cone cover comprises levelling device and fastener, described levelling device, match with described bubble level indicating device, be used for making the coil movement direction of described seismoreceiver to keep vertical with the sea level, described fastener is used for described tail cone and described tail cone cover together fastening.

5. seismoreceiver according to claim 4 is characterized in that:

Described levelling device is ball-and-socket joint.

6. seismoreceiver according to claim 4 is characterized in that:

Described fastener is trip bolt.

7. seismoreceiver according to claim 1 is characterized in that:

The top of described tail cone is quadrangular, and the bottom of described tail bone is long screw thread drill bit.

8. seismoreceiver according to claim 7 is characterized in that:

Described quadrangular is the quadrangular with groove.