CN218647161U

CN218647161U - Well for seismic monitoring

Info

Publication number: CN218647161U
Application number: CN202222697637.3U
Authority: CN
Inventors: 崔政东
Original assignee: LIAONING EARTHQUAKE ADMINISTRATION
Current assignee: LIAONING EARTHQUAKE ADMINISTRATION
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-03-17
Anticipated expiration: 2032-10-13

Abstract

A well for earthquake monitoring comprises a well body, wherein a well body mechanism is arranged in the well body, and a well cover mechanism is arranged at the top of the well body mechanism; the shaft mechanism comprises a plurality of shaft units; the shaft unit comprises an upper mounting plate and a lower mounting plate, a plurality of connecting rods are vertically and fixedly connected between the upper mounting plate and the lower mounting plate along the circumferential direction, a support is fixedly connected to the top surface of the lower mounting plate, a sliding barrel is horizontally and fixedly connected to the top end of the support, a wave detector is arranged in the sliding barrel in a sliding mode, and a through groove is formed in the top of the sliding barrel along the axial direction; a rack is fixedly connected to the position, corresponding to the through groove, of the top of the detector, the rack is limited in the through groove, the tooth tip of the rack is higher than that of the sliding cylinder, a driving assembly is fixedly mounted on the outer wall of the sliding cylinder, and the driving assembly is in transmission connection with the rack; last mounting panel and well lid mechanism fixed connection in the pit shaft unit of top, the utility model discloses can adjust the horizontal position of wave detector, make wave detector and wall of a well butt, seismic wave can be better transmit for the wave detector from the earth, and then can realize faster more accurate seismic monitoring.

Description

Well for seismic monitoring

Technical Field

The utility model relates to an earthquake monitoring technology field especially relates to a well for earthquake monitoring.

Background

In the field of seismic monitoring, in order to monitor seismic waves more accurately, monitoring is usually performed in a well drilling process, wherein a well with a certain depth is drilled downwards from the bottom surface, and then geophones are placed at different depths in the well through ropes, so that the geophones monitor the seismic waves.

However, in the existing seismic monitoring well, because the well is vertically downward, and the gravity borne by the geophone is also vertically downward, there is hardly any interaction force between the geophone and the well wall, which may cause the geophone not to contact the well wall, and when a seismic wave comes, the seismic wave cannot be effectively transmitted to the geophone from the ground, resulting in the accuracy of geophone monitoring being reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a well for seismic monitoring to solve the problem that exists among the above-mentioned prior art.

A well for earthquake monitoring comprises a well body, wherein a shaft mechanism is arranged in the well body, and a well cover mechanism is arranged at the top of the shaft mechanism; the shaft mechanism comprises a plurality of shaft units which are fixedly connected in sequence along the vertical direction; the shaft unit comprises an upper mounting plate and a lower mounting plate which are horizontally arranged, the lower mounting plate is positioned right below the upper mounting plate, a plurality of connecting rods are vertically and fixedly connected between the upper mounting plate and the lower mounting plate along the circumferential direction, a support is fixedly connected to the top surface of the lower mounting plate, a sliding barrel is horizontally and fixedly connected to the top end of the support, a wave detector is arranged in the sliding barrel in a sliding manner, and a through groove is formed in the top of the sliding barrel along the axial direction; a rack is fixedly connected to the position, corresponding to the through groove, of the top of the detector, the rack is limited in the through groove, the tooth tip of the rack is higher than that of the sliding barrel, a driving assembly is fixedly mounted on the outer wall of the sliding barrel, and the driving assembly is in transmission connection with the rack; the upper mounting plate in the shaft unit at the top is fixedly connected with the well cover mechanism.

Preferably, the driving assembly comprises a supporting plate horizontally and fixedly connected to the outer wall of the sliding barrel; the supporting plate top surface fixed mounting has servo motor, servo motor's output shaft rigid coupling has the gear, the gear is injectd in directly over the rack and with the rack toothing.

Preferably, well lid mechanism include with the top go up the connecting plate of mounting panel rigid coupling, the connecting plate with it is the same to go up the mounting panel, the vertical rigid coupling of top surface of connecting plate has the connecting cylinder, the top rigid coupling of connecting cylinder has the well lid.

Preferably, go up the mounting panel down the mounting panel and the connecting plate is close to the position at edge and has seted up a plurality of bolt hole and mutual correspondence along circumference, it is adjacent to go up the mounting panel with in the pit shaft unit down mounting panel and the top go up the mounting panel with the connecting plate all passes through bolt fixed connection.

Preferably, the upper mounting plate, the lower mounting plate and the middle part of the connecting plate are provided with through holes.

Preferably, the top surface of the well lid is fixedly connected with a hanging ring.

Preferably, the bottom surface of the support plate is fixedly connected with the side surface of the bracket through a reinforcing beam.

The utility model discloses a following technological effect:

the utility model discloses can adjust the horizontal position of geophone, make geophone and wall of a well butt, seismic wave can be better transmit for the geophone from the earth, and then can realize faster more accurate seismic monitoring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the internal structure of the shaft unit of the present invention;

fig. 3 is a front view of the internal structure of the shaft unit of the present invention;

fig. 4 is the utility model discloses well lid mechanism structure schematic diagram.

Wherein:

1. an upper mounting plate; 2. a lower mounting plate; 3. a connecting rod; 4. a support; 5. a slide cylinder; 6. a detector; 7. a through groove; 8. a rack; 9. a support plate; 10. a servo motor; 11. a gear; 12. a connecting plate; 13. a connecting cylinder; 14. a well cover; 15. bolt holes; 16. a bolt; 17. a through hole; 18. a hoisting ring; 19. a reinforcing beam; 20. a baffle plate; 21. a well body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to the attached figures 1-4, the earthquake monitoring well comprises a well body 21, wherein a well shaft mechanism is arranged in the well body 21, and a well cover mechanism is arranged at the top of the well shaft mechanism; the shaft mechanism comprises a plurality of shaft units which are fixedly connected in sequence along the vertical direction; the shaft unit comprises an upper mounting plate 1 and a lower mounting plate 2 which are horizontally arranged, the lower mounting plate 2 is positioned right below the upper mounting plate 1, a plurality of connecting rods 3 are vertically and fixedly connected between the upper mounting plate 1 and the lower mounting plate 2 along the circumferential direction, a support 4 is fixedly connected to the top surface of the lower mounting plate 2, a sliding barrel 5 is horizontally and fixedly connected to the top end of the support 4, a wave detector 6 is arranged in the sliding barrel 5 in a sliding manner, and a through groove 7 is formed in the top of the sliding barrel 5 along the axial direction; a rack 8 is fixedly connected to the position, corresponding to the through groove 7, of the top of the detector 6, the rack 8 is limited in the through groove 7, the tooth tip of the rack is higher than that of the sliding barrel 5, a driving assembly is fixedly mounted on the outer wall of the sliding barrel 5, and the driving assembly is in transmission connection with the rack 8; the upper mounting plate 1 in the uppermost shaft unit is fixedly connected with the well cover mechanism.

The upper mounting plate 1 and the lower mounting plate 2 are circular plates and have the same size, and the connecting rods 3 are arranged at the positions, close to the outer edges, of the upper mounting plate 1 and the lower mounting plate 2; the top end of the connecting rod 3 is fixedly connected with the upper mounting plate 1, and the bottom end of the connecting rod is fixedly connected with the lower mounting plate 2; the distance between the upper mounting plate 1 and the lower mounting plate 2 is a determined distance, namely the length of each shaft unit is determined, and the depth of the shaft can be determined by the number of the shaft units connected in series; one end of the sliding barrel 5 is through, the other end of the sliding barrel is fixedly connected with a baffle 20, the baffle 20 can enable the detector 6 to extend out from one end of the sliding barrel 5, the rack 8 is limited in the through groove 7 and is in sliding connection with the groove wall of the through groove 7, and two ends of the through groove 7 penetrate through two end faces of the sliding barrel 5; the driving assembly can drive the rack 8 to slide, so that the detector 6 can be driven to slide in the sliding barrel 5, and the detector 6 can extend out from one end of the sliding barrel 5; the penetrating end face of the sliding cylinder 5 is opposite to a gap between the two connecting rods 3, the geophone 6 can penetrate through the gap between the two connecting rods 3, the geophone 6 can be abutted to the well wall, seismic waves can be better transmitted to the geophone 6 from the ground at the moment, and the seismic waves can be monitored more accurately.

In a further optimized scheme, the driving component comprises a supporting plate 9 horizontally and fixedly connected to the outer wall of the sliding cylinder 5; a servo motor 10 is fixedly mounted on the top surface of the supporting plate 9, a gear 11 is fixedly connected to an output shaft of the servo motor 10, and the gear 11 is limited right above the rack 8 and meshed with the rack 8.

The servo motor 10 is electrically connected with a computer on the ground surface through a lead, and workers can control the servo motors 10 in different shaft units through the computer so as to control the position states of the corresponding detectors 6; the servo motor 10 rotates to drive the gear 11 to rotate, the gear 11 drives the rack 8 to move horizontally, and further drives the detector 6 to slide along the axial direction of the sliding cylinder 5, so that one end of the detector 6 can slide out of the sliding cylinder 5 and abut against the well wall; the servo motor 10 is arranged at a position close to the through end face of the slide cylinder 5, so that the wave detector 6 can extend out of the slide cylinder 5 to the maximum extent.

Further optimize scheme, well lid mechanism include with the top on the connecting plate 12 of mounting panel 1 rigid coupling, connecting plate 12 is the same with last mounting panel 1, the vertical rigid coupling of top surface of connecting plate 12 has connecting cylinder 13, the top rigid coupling of connecting cylinder 13 has well lid 14.

The connecting plate 12 is completely the same as the upper mounting plate 1 and the lower mounting plate 2; the connecting cylinder 13 is overlapped with the vertical axis of the connecting plate 12, the area of the well cover 14 is larger than that of the well mouth, the well cover 14 can be lapped on the well mouth to stop all the shaft units from falling, so that the depth of each shaft unit is determined, the well mouth can be sealed, and impurities are prevented from falling into the well mouth to mistakenly trigger the detector 6; the manhole cover 14 is provided with a hole (not shown in the figure) for passing through a wire, so that the wire can pass through the manhole cover 14 to be connected with an external computer and all the servo motors 10.

Further optimize the scheme, go up mounting panel 1, lower mounting panel 2 and connecting plate 12 and seted up a plurality of bolt hole 15 and correspond each other along circumference near the position at edge, go up mounting panel 1 and the lower mounting panel 2 in the adjacent pit shaft unit and mounting panel 1 and connecting plate 12 all pass through bolt 16 fixed connection on the top.

The upper mounting plate 1, the lower mounting plate 2 and the bolt holes 15 formed in the connecting plate 12 correspond to each other, and the bolts 16 can vertically penetrate through the bolt holes 15 on the upper mounting plate 1 and the lower mounting plate 2 which are close to each other, so that the upper mounting plate 1 and the lower mounting plate 2 of two adjacent shaft units can be fixedly connected together; the connection mode of the connecting plate 12 and the uppermost upper mounting plate 1 is the same as that of the upper mounting plate 1 and the lower mounting plate 2; the connecting cylinder 13 has a diameter smaller than that of the connecting plate 12, and bolt holes 15 may be formed in the connecting plate 12 near the edge.

Further optimize the scheme, go up mounting panel 1, lower mounting panel 2 and connecting plate 12 middle part and all seted up through-hole 17.

The through holes 17 may be used to pass through wires, so that the servo motor 10 in each wellbore unit may be connected to an external computer.

In a further optimized scheme, a lifting ring 18 is fixedly connected to the top surface of the well lid 14; the hoist rings 18 may facilitate hoisting the entire shaft mechanism for servicing or changing the number of shaft units.

In a further optimized scheme, the bottom surface of the supporting plate 9 is fixedly connected with the side surface of the bracket 4 through a reinforcing beam 19; the reinforcing beam 19 can increase the firmness of the supporting plate 9, so that the servo motor 10 is more stable.

When the utility model is used, firstly, a well with a certain depth is drilled at the position required by the ground, then the hoisting ring 18 is connected by the crane, the well lid mechanism is hoisted, the lower part of the connecting plate 12 is connected with the shaft units with required quantity by the bolts 16, then all the shaft units are put into the well until the well lid 14 is contacted with the bottom surface, and then the servo motor 10 with the appointed depth is controlled by the computer to rotate, so that the wave detector 6 extends out of the sliding cylinder 5 and is abutted against the wall of the well body 21, and then the earthquake monitoring can be carried out; when a certain shaft unit is required to be overhauled, all servo motors 10 are controlled to rotate through an external computer, all detectors 6 are retracted into the sliding barrel 5, then the shaft mechanism is pulled upwards by using a crane until the shaft unit required to be overhauled appears, and then the shaft unit can be overhauled.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A well for seismic monitoring, comprising: the well comprises a well body (21), wherein a shaft mechanism is arranged in the well body (21), and a well cover mechanism is arranged at the top of the shaft mechanism; the shaft mechanism comprises a plurality of shaft units which are fixedly connected in sequence along the vertical direction; the shaft unit comprises an upper mounting plate (1) and a lower mounting plate (2) which are horizontally arranged, the lower mounting plate (2) is positioned under the upper mounting plate (1), a plurality of connecting rods (3) are fixedly connected between the upper mounting plate (1) and the lower mounting plate (2) along the circumferential direction, a support (4) is fixedly connected to the top surface of the lower mounting plate (2), a sliding barrel (5) is horizontally and fixedly connected to the top end of the support (4), a detector (6) is arranged in the sliding barrel (5) in a sliding mode, and a through groove (7) is formed in the top of the sliding barrel (5) along the axial direction; a rack (8) is fixedly connected to the position, corresponding to the through groove (7), of the top of the detector (6), the rack (8) is limited in the through groove (7), the tooth tip of the rack is higher than that of the sliding barrel (5), a driving assembly is fixedly mounted on the outer wall of the sliding barrel (5), and the driving assembly is in transmission connection with the rack (8); the upper mounting plate (1) in the shaft unit at the top is fixedly connected with the well cover mechanism.

2. A well for seismic monitoring according to claim 1, wherein: the driving assembly comprises a supporting plate (9) horizontally and fixedly connected to the outer wall of the sliding barrel (5); backup pad (9) top surface fixed mounting has servo motor (10), servo motor (10)'s output shaft rigid coupling has gear (11), gear (11) are injectd directly over rack (8) and with rack (8) meshing.

3. A well for seismic monitoring according to claim 1, wherein: well lid mechanism include with the top go up connecting plate (12) of mounting panel (1) rigid coupling, connecting plate (12) with it is the same to go up mounting panel (1), the vertical rigid coupling of top surface of connecting plate (12) has connecting cylinder (13), the top rigid coupling of connecting cylinder (13) has well lid (14).

4. A well for seismic monitoring according to claim 3, wherein: go up mounting panel (1) down mounting panel (2) and connecting plate (12) are close to the position at edge and have seted up a plurality of bolt hole (15) and correspond each other along circumference, go up mounting panel (1) and adjacent in the pit shaft unit mounting panel (2) and the top down go up mounting panel (1) with connecting plate (12) all through bolt (16) fixed connection.

5. A well for seismic monitoring according to claim 3, wherein: go up mounting panel (1), mounting panel (2) down and through-hole (17) have all been seted up in connecting plate (12) middle part.

6. A well for seismic monitoring as defined in claim 3, wherein: and a lifting ring (18) is fixedly connected to the top surface of the well lid (14).

7. A well for seismic monitoring as defined in claim 2, wherein: the bottom surface of the supporting plate (9) is fixedly connected with the side surface of the bracket (4) through a reinforcing beam (19).