CN218412922U

CN218412922U - Underground detector for geophysical exploration

Info

Publication number: CN218412922U
Application number: CN202222363017.6U
Authority: CN
Inventors: 石帅; 刘立安; 张金达
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-31
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to the field of underground exploration, in particular to an underground detector for geophysical exploration, which comprises an anti-collision body, wherein the bottom of the anti-collision body is fixedly connected with the detector, the detector is provided with a probe, and the top of the anti-collision body is provided with a motor; the anti-collision device is characterized in that the lower portion of the side wall of the anti-collision body is fixedly connected with a plurality of connecting blocks, the connecting blocks are fixedly connected with outer ring blocks, and the upper portion of the side wall of the anti-collision body is slidably connected with a plurality of telescopic blocks. The utility model discloses during the use, if the lifting rope constantly rocks and is difficult to stop, and lead to the outer ring piece constantly with the wall of a well collision time, make flexible piece stretch out through the motor, flexible piece is successively with the wall of a well contact, and because a plurality of flexible piece length are unanimous with the stretching out and drawing back speed, thereby make the anticollision body finally be in well central point and put, firm back reversal motor, make flexible piece withdraw, and the anticollision body this moment is in quiescent condition because of receiving the firm reason of flexible piece, so eliminate rocking of lifting rope, make the anticollision body continue steady lift, it is more convenient to go up and down.

Description

Underground detector for geophysical exploration

Technical Field

The utility model relates to an underground exploration field, concretely relates to geophysical exploration is with detector in pit.

Background

Geophysical prospecting is a discipline of theory and method for solving the problems of geology and mineral resource prospecting by applying the principle of physics, and is a branch discipline of geophysical prospecting. The technology comprises a plurality of branch subjects, such as seismic exploration, magnetic exploration, gravity exploration, electrical exploration, radioactive exploration and the like, and Chinese patent discloses an underground detector (with an authorization publication number of CN 214409331U) for geophysical exploration, which is convenient for collision prevention.

However, during the geophysical exploration in the pit, when the geophone and the anti-collision body are lifted, the lifting rope swings to cause the anti-collision body to collide with the borehole wall, and the lifting rope swings to continue colliding with the borehole wall in the opposite direction after the collision, so that the geophone is not stably lifted due to continuous collision, and finally the geophone is difficult to lift. Accordingly, one skilled in the art provides a downhole geophone for geophysical prospecting which addresses the problems set forth above in the background.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an underground detector for geophysical exploration, which comprises an anti-collision body, wherein the bottom of the anti-collision body is fixedly connected with the detector, the detector is provided with a probe, and the top of the anti-collision body is provided with a motor;

the anti-collision device is characterized in that the lower portion of the side wall of the anti-collision body is fixedly connected with a plurality of connecting blocks, the connecting blocks are fixedly connected with outer ring blocks, and the upper portion of the side wall of the anti-collision body is slidably connected with a plurality of telescopic blocks.

Preferably: and a protective shell is arranged outside the motor and fixedly connected with the anti-collision body.

Preferably: the protective housing is hinged with an access door, and the top of the protective housing is fixedly connected with a hanging ring.

Preferably, the outer ring block is rotatably connected with a plurality of transverse rollers, the telescopic block is rotatably connected with a vertical roller, and the transverse rollers and the vertical roller are respectively provided with a wear-resistant sleeve.

Preferably, the telescopic blocks and the outer ring blocks are uniformly distributed around the outside of the anti-collision body.

Preferably, one end of the telescopic block, far away from the vertical roller, is in threaded connection with a screw, the screw is in rotary connection with an installation seat, the installation seat is fixedly connected with the anti-collision body, and the screw is fixedly connected with a driven bevel gear.

Preferably, the motor is provided with a connecting shaft, the connecting shaft is fixedly connected with a driving bevel gear, and the driving bevel gear is in meshed connection with a driven bevel gear.

The utility model discloses a technological effect and advantage:

1. if the lifting rope is difficult to stop after continuously shaking, and the outer ring block continuously collides with the well wall, the telescopic block is extended out through the motor, the telescopic block is sequentially contacted with the well wall, and the lengths and the extending speeds of the plurality of telescopic blocks are consistent, so that the anti-collision body is finally positioned at the most central position of the well, the motor is reversed after the anti-collision body is stabilized, the telescopic block is retracted, and the anti-collision body is in a static state due to the stability of the telescopic block, so that the shaking of the lifting rope is eliminated, the anti-collision body is continuously and stably lifted, and the lifting is more convenient;

2. the vertical roller can assist the anti-collision body to move transversely along the well wall when the telescopic block is contacted with the well wall, so that the clamping caused by the larger friction force between the telescopic block and the well wall is avoided.

Drawings

FIG. 1 is a schematic structural view provided herein;

FIG. 2 is a block diagram of a detector provided herein;

FIG. 3 is a diagram of the position of the protective housing and the motor provided by the present application;

FIG. 4 is a view of the internal structure of the crash pad provided by the present application;

FIG. 5 is a view of the telescoping block provided by the present application in an extended state;

FIG. 6 is a diagram illustrating the state of the telescoping block and borehole wall support provided by the present application;

FIG. 7 is a coupling view of a drive bevel gear and a driven bevel gear provided herein;

in the figure: 1. an anti-collision body; 2. a protective housing; 3. an access door; 4. a hoisting ring;

5. a detector; 6. an outer ring block; 7. a transverse roller; 8. connecting blocks;

9. a telescopic block; 10. a vertical roller; 11. a probe; 12. a screw;

13. a mounting seat; 14. a driven bevel gear; 15. a drive bevel gear; 16. a motor;

17. and (7) connecting the shafts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 7, in the present embodiment, an underground detector for geophysical exploration is provided, including an impact-resistant body 1, a detector 5 is fixedly connected to the bottom of the impact-resistant body 1, the detector 5 is provided with a probe 11, a motor 16 is installed at the top of the impact-resistant body 1, a protective casing 2 is installed outside the motor 16, the protective casing 2 is fixedly connected to the impact-resistant body 1, the protective casing 2 is hinged to an access door 3, and the top of the protective casing 2 is fixedly connected to a hanging ring 4;

the lower part of the side wall of the anti-collision body 1 is fixedly connected with a plurality of connecting blocks 8, the connecting blocks 8 are fixedly connected with outer ring blocks 6, a plurality of transverse rollers 7 are rotationally connected in the outer ring blocks 6, a plurality of telescopic blocks 9 are slidably connected to the upper part of the side wall of the anti-collision body 1, the telescopic blocks 9 are rotationally connected with vertical rollers 10, wear-resistant sleeves are arranged outside the transverse rollers 7 and the vertical rollers 10, and the telescopic blocks 9 and the outer ring blocks 6 are uniformly distributed around the outside of the anti-collision body 1;

the end, far away from the vertical roller 10, of the telescopic block 9 is connected with a screw 12 in a threaded manner, the screw 12 is connected with an installation seat 13 in a rotating manner, the installation seat 13 is fixedly connected with the anti-collision body 1, the screw 12 is fixedly connected with a driven bevel gear 14, the motor 16 is provided with a connecting shaft 17, the connecting shaft 17 is fixedly connected with a driving bevel gear 15, and the driving bevel gear 15 is meshed with the driven bevel gear 14.

The utility model discloses a theory of operation is:

when the underground geophysical exploration is carried out, the anti-collision body 1 and the detector 5 are connected and are hoisted into a well together, when the anti-collision body 1 and a lifting rope shake, because the outer diameter of the detector 5 is smaller than that of the anti-collision body 1, the outer ring block 6 and the transverse roller 7 outside the anti-collision body 1 are utilized to replace the detector 5 to collide with the well wall, the collision damage of the detector 5 is avoided, and the rotatable transverse roller 7 can assist the anti-collision body 1 to ascend when colliding, so that the friction force generated by collision is reduced;

starting a motor 16, wherein the motor 16 drives a connecting shaft 17 and a driving bevel gear 15 to rotate, the driving bevel gear 15 is meshed with a driven bevel gear 14 and a screw 12 to rotate, so that the screw 12 drives a telescopic block 9 to extend outwards, when the anticollision body 1 is lifted, if a lifting rope is shaken continuously and is difficult to stop, and an outer ring block 6 is collided with a well wall continuously, the telescopic block 9 is extended through the motor 12, the telescopic block 9 closest to the well wall is contacted with the well wall firstly, the telescopic block 9 is still in an extending state at the moment, and then the telescopic block 9 is contacted with the well wall secondly, the telescopic block 9 is close to the well wall secondly, the telescopic block 9 is contacted with the well wall successively, and because the lengths and the extending speeds of the plurality of telescopic blocks 9 are consistent, the anticollision body 1 is located at the centremost position of the well finally, the motor 16 is rotated reversely after being stabilized, the telescopic block 9 is retracted, and the anticollision body 1 is in a static state due to the fact that the telescopic block 9 is stabilized, so that the shaking of the lifting rope is eliminated, and the anticollision body 1 is lifted continuously and stably; the vertical roller 10 can assist the anti-collision body 1 to transversely move along the well wall when the telescopic block 9 is contacted with the well wall, so that the anti-collision body is prevented from being clamped due to large friction force between the telescopic block 9 and the well wall;

because the outer diameters of the telescopic block 9 and the vertical roller 10 in the initial state are smaller than the outer diameters of the outer ring block 6 and the transverse roller 7, and the outer diameter of the vertical roller 10 is larger than the outer diameter of the transverse roller 7 after the telescopic block 9 extends out, the outer ring block 6 and the transverse roller 7 cannot collide with the well wall after the telescopic block 9 extends out.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. The underground detector for geophysical exploration comprises an anti-collision body (1), and is characterized in that the bottom of the anti-collision body (1) is fixedly connected with a detector (5), the detector (5) is provided with a probe (11), and the top of the anti-collision body (1) is provided with a motor (16);

the anti-collision device is characterized in that the lower portion of the side wall of the anti-collision body (1) is fixedly connected with a plurality of connecting blocks (8), the connecting blocks (8) are fixedly connected with outer ring blocks (6), and the upper portion of the side wall of the anti-collision body (1) is slidably connected with a plurality of telescopic blocks (9).

2. A downhole geophone for geophysical exploration according to claim 1, characterized in that a protective casing (2) is arranged outside said motor (16), said protective casing (2) being fixedly connected to said impact body (1).

3. A downhole geophone for geophysical exploration according to claim 2, characterized in that said protective casing (2) is hinged with an access door (3), and a lifting ring (4) is fixedly connected to the top of said protective casing (2).

4. The downhole geophone according to claim 1, wherein the outer ring block (6) is rotatably connected with a plurality of transverse rollers (7), the telescopic block (9) is rotatably connected with a vertical roller (10), and the transverse rollers (7) and the vertical roller (10) are both provided with wear-resistant sleeves.

5. A downhole geophone according to claim 1, wherein the telescope block (9) and the outer ring block (6) are evenly distributed around the outside of the impact body (1).

6. The downhole geophone for geophysical exploration according to claim 1, wherein a screw (12) is in threaded connection with one end of the telescopic block (9) far away from the vertical roller (10), the screw (12) is rotatably connected with a mounting seat (13), the mounting seat (13) is fixedly connected with the anti-collision body (1), and a driven bevel gear (14) is fixedly connected with the screw (12).

7. The downhole geophone for geophysical exploration according to claim 1 or 6, wherein said motor (16) is provided with a connecting shaft (17), the connecting shaft (17) is fixedly connected with a drive bevel gear (15), and the drive bevel gear (15) is in meshed connection with a driven bevel gear (14).