CN218816378U

CN218816378U - Electromagnetic probe for logging instrument

Info

Publication number: CN218816378U
Application number: CN202223507469.3U
Authority: CN
Inventors: 季建军; 刘波; 王光明
Original assignee: Qingdao Jiashiwei Automation Co ltd
Current assignee: Qingdao Jiashiwei Automation Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-07
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to a logging instrument technical field especially relates to an electromagnetic probe for logging instrument, and it includes jib, sliding ring, elasticity probe rod, slider A, slider B and spring. A motor is arranged in the suspender, a vertical pipe is arranged at the bottom of the suspender, a probe is arranged in the middle of the vertical pipe, a hydraulic cylinder is arranged on the probe, and the hydraulic cylinder drives the connecting slip ring. The vertical pipe is symmetrically provided with sliding chutes, the vertical pipe is rotatably provided with a bidirectional screw rod, the motor is in driving connection with the bidirectional screw rod, and the sliding blocks A on the two sides are in threaded connection with the corresponding ends of the bidirectional screw rod. The sliding blocks B are symmetrically and slidably arranged on the vertical tube, and the sliding blocks A are elastically connected with the corresponding side sliding blocks B through springs. The slider B is provided with a plurality of connecting rods A in a rotating mode, the fixing block is provided with a plurality of connecting rods B in a rotating mode, the connecting rods B are connected with one ends, far away from the slider B, of the connecting rods A in a rotating mode, and the connecting rods B are provided with idler wheels at one ends, far away from the fixing block, of the connecting rods B. The utility model discloses elasticity righting mechanism about having, and go up and down the well and detection efficiency is high.

Description

Electromagnetic probe for logging instrument

Technical Field

The utility model relates to a logging instrument technical field especially relates to an electromagnetic probe for logging instrument.

Background

The logging instrument is used in the field of well drilling, can continuously scan the well wall, can also transversely scan any level, and provides instruments for technical data such as vertical sections, horizontal sections, effective sections of shafts, shaft deflection distances and the like, and the detection of the logging instrument is mainly completed by an electromagnetic probe. The existing electromagnetic probe, no matter for downhole or uplink detection, needs to be advanced layer by layer, and is lack of continuity.

Chinese patent No. CN216351277U discloses an electromagnetic probe for a transient electromagnetic logging instrument, which comprises a main body assembly, an adjusting assembly and a limiting assembly, wherein the main body assembly comprises a probe body, a first plate body, a second plate body and a cable; the adjusting assembly comprises a motor, a screw rod, a threaded sleeve, a connecting plate, a first rod body, a second rod body and a third rod body; the motor is arranged on one side of the second plate body, an output shaft of the motor is welded with one end of the screw rod, and the outer side of the screw rod is in threaded connection with a threaded sleeve; the utility model discloses a starter motor, the output shaft of motor rotates, can drive the lead screw and rotate, and the thread bush of transmission threaded connection at the lead screw outer wall slides in the outside of lead screw, through rather than the first body of rod of articulated connecting plate traction and second body of rod rotation to drive the probe body through the third body of rod and rotate, with this angle that changes the probe body, easy operation is convenient for adjust the angle of probe body according to actual conditions, so that survey the equidirectional not.

However, the device still has the following defects: the device is at the in-process that gets into in the well down, and the unable shrink of arc plate body, it contradicts with the well inner wall and produces great frictional force, leads to the probe to be obstructed down to when breaking the position in the well, the arc plate body blocks easily, and the device lacks the structure of rightting at upper and lower two simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that exists among the background art, provide an electromagnetic probe for logging instrument.

The technical scheme of the utility model: an electromagnetic probe for a logging instrument comprises a suspension rod, a sliding ring, an elastic feeler lever, a sliding block A, a sliding block B and a spring. A motor is arranged in the suspender, a vertical pipe is arranged at the bottom of the suspender, a probe is arranged at the middle part of the vertical pipe, and a hydraulic cylinder is arranged outside a shell of the probe. The slip ring sleeve is arranged outside the probe and is in sliding connection with the probe, and the hydraulic cylinder is connected with the slip ring in a driving mode. The elastic feeler levers are evenly arranged outside the probe at intervals, and the inner wall of the slip ring is abutted against the outside of the elastic feeler levers. The vertical pipe is symmetrically provided with two chutes communicated with the interior of the vertical pipe, a bidirectional screw rod is rotatably arranged in the vertical pipe, the thread sections on two sides of the bidirectional screw rod are respectively positioned in the chutes on the corresponding sides, and the motor is connected with the bidirectional screw rod in a driving manner. The sliding blocks A are symmetrically and slidably arranged on the vertical pipe, and the sliding blocks A on the two sides are in threaded connection with the corresponding ends of the two-way screw rod. The sliding blocks B are symmetrically and slidably arranged on the vertical tube, and the sliding blocks A are elastically connected with the corresponding side sliding blocks B through springs. A plurality of connecting rods A are uniformly arranged on the sliding block B at intervals in a rotating mode. One side that both sides slider B kept away from each other all sets up the fixed block, rotates on the fixed block and sets up a plurality of connecting rod B, and connecting rod B rotates with the one end that connecting rod A kept away from slider B to be connected, and the one end that connecting rod B kept away from the fixed block sets up the gyro wheel.

Preferably, the top end of the suspension rod is provided with a suspension ring.

Preferably, a vertical groove is formed in a shell of the probe, a limiting rod is arranged on the sliding ring, the transverse end of the limiting rod is inserted into the vertical groove and is in sliding connection with the vertical groove, and the output end of the hydraulic cylinder is connected with the limiting rod.

Preferably, evenly set up a plurality of telescopic link at the interval on the slider A, the interior pole tip and the slider B of each telescopic link are connected, and the spring is located between telescopic link and the standpipe.

Preferably, the bottom of the vertical pipe is provided with a balancing weight.

Preferably, the bottom of balancing weight sets up the montant, and the below of balancing weight sets up the bottom plate, sets up the hollow tube on the bottom plate, and the bottom of montant inserts in the hollow tube and rather than sliding connection, sets up on the bottom plate and dabs the switch, dabs the switch and is located the hollow tube and be located the below of montant.

Compared with the prior art, the utility model discloses following profitable technological effect has: through setting up the structure that the pneumatic cylinder promoted the sliding ring, utilize the sliding ring oppression elasticity probe rod, make the elasticity probe rod put the angle outward and contract, make things convenient for the probe to get into in the well, and after the sliding ring breaks away from the elasticity probe rod completely, each elasticity probe rod can beat according to the elasticity of actual conditions adaptability in the well, and then makes the measurement personnel acquire well inner wall information. Through setting up both ends elastic structure of righting, by the cooperation structure that slider A, slider B, fixed block, connecting rod A and connecting rod B formed promptly, the connecting rod opening angle is adjustable simultaneously, not only makes things convenient for this device to pass in and out the well, can also utilize this cooperation structure to realize righting of whole standpipe simultaneously, improves probe measurement accuracy.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a connection structure diagram of the sliding block A and each part on the fixed block in FIG. 1;

fig. 3 is a connection structure diagram of the weight block and the bottom plate in fig. 1.

Reference numerals: 1. a boom; 2. a hoisting ring; 3. a motor; 4. a vertical tube; 5. a probe; 6. a hydraulic cylinder; 7. a slip ring; 8. an elastic feeler lever; 9. a chute; 10. a bidirectional screw rod; 11. a slide block A; 12. a telescopic rod; 13. a slide block B; 14. a spring; 15. a connecting rod A; 16. a fixed block; 17. a connecting rod B; 18. a roller; 19. a balancing weight; 20. a vertical rod; 21. a base plate; 22. a hollow tube; 23. and (6) lightly touching a switch.

Detailed Description

Example one

As shown in fig. 1-3, the present invention provides an electromagnetic probe for a logging tool, which includes a suspension rod 1, a slip ring 7, an elastic feeler lever 8, a slider a11, a slider B13, and a spring 14. Set up motor 3 in the jib 1, the bottom of jib 1 sets up standpipe 4, and the middle part of standpipe 4 sets up probe 5, and probe 5's casing outside sets up pneumatic cylinder 6. The sliding ring 7 is arranged outside the probe 5 and is in sliding connection with the probe, and the hydraulic cylinder 6 is in driving connection with the sliding ring 7. The elastic feeler levers 8 are evenly arranged outside the probe 5 at intervals, and the inner wall of the slip ring 7 is abutted against the outside of the elastic feeler levers 8. The vertical pipe 4 is symmetrically provided with two sliding grooves 9 communicated with the interior of the vertical pipe, the vertical pipe 4 is rotatably provided with a bidirectional screw rod 10, the thread sections on two sides of the bidirectional screw rod 10 are respectively positioned in the corresponding sliding grooves 9, and the motor 3 is in driving connection with the bidirectional screw rod 10. The sliding blocks A11 are symmetrically and slidably arranged on the vertical tube 4, and the sliding blocks A11 on the two sides are in threaded connection with the corresponding ends of the two-way screw rod 10. The sliding blocks B13 are symmetrically and slidably arranged on the vertical tube 4, and the sliding blocks A11 are elastically connected with the corresponding side sliding blocks B13 through springs 14. A plurality of connecting rods A15 are arranged on the sliding block B13 at even intervals in a rotating way. One side that both sides slider B13 kept away from each other all sets up fixed block 16, rotates on the fixed block 16 and sets up a plurality of connecting rod B17, and connecting rod B17 rotates with the one end that slider B13 was kept away from to connecting rod A15 to be connected, and the one end that connecting rod B17 kept away from fixed block 16 sets up gyro wheel 18.

In this embodiment, the initial state of the probe is that the distance between the corresponding side sliding block a11 and the corresponding side fixing block 16 is the largest, and the sliding ring 7 presses the elastic feeler lever 8 to contract, and the device is lifted into the well bottom by using a cable, the motor 3 drives the bidirectional screw rod 10 to rotate, the sliding blocks a11 on the two sides are close to the corresponding side fixing block 16 synchronously, at this time, the included angle between the connecting rod a15 and the connecting rod B17 is reduced, the roller 18 extends out and abuts against the inner wall of the well, and the sliding ring 7 is pulled up by the hydraulic cylinder 6 at the same time, so that the bottom contact of the elastic feeler lever 8 contacts with the inner wall of the well, the probe is opened for scanning detection, and the device is pulled up, and the elastic feeler lever 8 is stably detected on the inner wall of the well under the righting of the upper and lower groups of rollers 18.

Example two

As shown in fig. 3, the utility model provides an electromagnetic probe for logging instrument compares in embodiment one, and standpipe 4's bottom sets up balancing weight 19, and balancing weight 19's bottom sets up montant 20, and balancing weight 19's below sets up bottom plate 21, sets up hollow tube 22 on the bottom plate 21, and the bottom of montant 20 inserts in the hollow tube 22 and rather than sliding connection, sets up on the bottom plate 21 and dabs switch 23, dabs switch 23 and is located hollow tube 22 and is located montant 20's below.

In this embodiment, after the bottom plate 21 contacts the bottom of the well, the vertical rod 20 continues to move downward and contacts the tact switch 23, which triggers the motor 3 to drive a signal, so that the motor 3 starts automatically and sends a pull-up signal to the personnel working in the well.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. An electromagnetic probe for a logging instrument is characterized by comprising a suspension rod (1), a slip ring (7), an elastic feeler lever (8), a slide block A (11), a slide block B (13) and a spring (14); a motor (3) is arranged in the suspender (1), a vertical pipe (4) is arranged at the bottom of the suspender (1), a probe (5) is arranged in the middle of the vertical pipe (4), and a hydraulic cylinder (6) is arranged outside a shell of the probe (5); the sliding ring (7) is sleeved outside the probe (5) and is in sliding connection with the probe, and the hydraulic cylinder (6) is in driving connection with the sliding ring (7); the elastic feeler levers (8) are uniformly arranged outside the probe (5) at intervals, and the inner wall of the slip ring (7) is abutted against the outside of the elastic feeler levers (8); the vertical pipe (4) is symmetrically provided with two sliding chutes (9) communicated with the interior of the vertical pipe, the vertical pipe (4) is rotatably provided with a bidirectional screw rod (10), the thread sections at two sides of the bidirectional screw rod (10) are respectively positioned in the corresponding side sliding chutes (9), and the motor (3) is in driving connection with the bidirectional screw rod (10); the sliding blocks A (11) are symmetrically and slidably arranged on the vertical pipe (4), and the sliding blocks A (11) on the two sides are in threaded connection with the corresponding ends of the two-way screw rod (10); the sliding blocks B (13) are symmetrically and slidably arranged on the vertical pipe (4), and the sliding blocks A (11) are elastically connected with the corresponding side sliding blocks B (13) through springs (14); a plurality of connecting rods A (15) are uniformly arranged on the sliding block B (13) at intervals in a rotating way; one side that both sides slider B (13) kept away from each other all sets up fixed block (16), rotates on fixed block (16) and sets up a plurality of connecting rod B (17), and the one end that slider B (13) were kept away from to connecting rod B (17) and connecting rod A (15) rotates to be connected, and the one end that fixed block (16) were kept away from to connecting rod B (17) sets up gyro wheel (18).

2. An electromagnetic probe for a logging tool according to claim 1, wherein the top end of the boom (1) is provided with a suspension ring (2).

3. An electromagnetic probe for a logging tool according to claim 1, wherein the housing of the probe (5) is provided with a vertical slot, the slip ring (7) is provided with a limit rod, the transverse end of the limit rod is inserted into the vertical slot and slidably connected therewith, and the output end of the hydraulic cylinder (6) is connected with the limit rod.

4. The electromagnetic probe for the logging instrument according to claim 1, wherein a plurality of telescopic rods (12) are uniformly arranged on the slide block A (11) at intervals, the end of the inner rod of each telescopic rod (12) is connected with the slide block B (13), and the spring (14) is positioned between the telescopic rod (12) and the vertical pipe (4).

5. An electromagnetic probe for a logging tool according to claim 1, wherein the bottom of the standpipe (4) is provided with a counterweight (19).

6. The electromagnetic probe for the logging instrument as recited in claim 5, wherein a vertical rod (20) is disposed at the bottom of the weight block (19), a bottom plate (21) is disposed below the weight block (19), a hollow tube (22) is disposed on the bottom plate (21), the bottom of the vertical rod (20) is inserted into and slidably connected with the hollow tube (22), a tact switch (23) is disposed on the bottom plate (21), and the tact switch (23) is disposed in the hollow tube (22) and below the vertical rod (20).