CN216866604U - Centralizer of gamma combined logging instrument - Google Patents
Centralizer of gamma combined logging instrument Download PDFInfo
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- CN216866604U CN216866604U CN202220554826.2U CN202220554826U CN216866604U CN 216866604 U CN216866604 U CN 216866604U CN 202220554826 U CN202220554826 U CN 202220554826U CN 216866604 U CN216866604 U CN 216866604U
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- screw rod
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Abstract
The utility model discloses a centralizer of a gamma combined logging instrument, which comprises a wireless communication short section, wherein a receiving short section is installed at the bottom of the wireless communication short section, a screw rod and a rotating shaft are installed at the bottom of the receiving short section, the rotating shaft is arranged at the top of a sleeve, a sealing ring is arranged at the top of the rotating shaft, a positioning ring is arranged at the bottom of the sleeve, and the positioning ring is fixedly sleeved on the outer side of the screw rod. Including the sleeve pass through the rotation axis, the sealing washer, holding ring and seat cover can increase the leakproofness, four directions in the sleeve outside all are provided with the regulating plate, when the logging instrument produces the skew at the logging in-process, can promote the regulating plate through the pneumatic cylinder and remove, promote rubble adjustment drill bit inclination through the regulating plate, can cushion the pressure that the regulating plate received through slider and spacing spring, the impact force that the resilience ability through spacing spring self can increase the regulating plate and remove.
Description
Technical Field
The utility model relates to the technical field of gamma combined logging instruments, in particular to a centralizer of a gamma combined logging instrument.
Background
The comprehensive well logging method is reasonably selected according to geological and geophysical conditions, so that geological profiles of drilled holes can be studied in detail, useful minerals can be detected, and necessary data for calculating reserves can be provided in detail.
In the gamma combined logging instrument well logging operation, a drill bit of the logging instrument is easily blocked by broken stones, so that the drill bit is inclined, the phenomenon of irregular logging track is easily caused, logging data are not accurate enough, and then the broken stones easily cause the drill bit to be blocked, so that logging work cannot be smoothly carried out.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model discloses a centralizer of a gamma combined logging instrument, which aims to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: a centralizer of a gamma-ray combination logging tool, comprising:
the device comprises a wireless communication short section, a receiving short section is installed at the bottom of the wireless communication short section, a screw rod is installed at the bottom of the receiving short section, a transmitting short section is installed at the bottom of the screw rod, a drill bit is installed at the bottom of the transmitting short section, and a sleeve is arranged outside the screw rod;
the rotating shaft is arranged at the top of the sleeve, a sealing ring is arranged at the top of the rotating shaft, a positioning ring is arranged at the bottom of the sleeve, the positioning ring is fixedly sleeved at the outer side of the screw rod, and a seat sleeve is arranged at the bottom of the positioning ring;
the righting component is arranged inside the sleeve and comprises a connecting seat, a limiting spring is arranged inside the connecting seat, a sliding block is connected inside the connecting seat in a sliding mode, and a hydraulic cylinder is hinged to one side, opposite to the sliding block, of the sliding block.
Preferably, the outside of rotation axis and the inside at sleeve top are laminated mutually, and the inner wall of rotation axis and the outside of receiving the nipple joint are laminated mutually, the inner wall of sealing washer and the outside of receiving the nipple joint are laminated mutually, the top in the holding ring outside is laminated mutually with the inside of sleeve bottom.
Preferably, the bottom in the holding ring outside is established to inboard fixed cover of seat cover, and the seat cover laminates with telescopic bottom, the top and the bottom in the screw rod outside are established to the fixed cover of connecting seat, the inner wall of spacing spring laminates with the outside of screw rod mutually.
Preferably, one side of the limiting spring, which is far away from each other, is fixedly connected with the inner wall of the connecting seat, a through hole is formed in one side, which is opposite to the connecting seat, of the limiting spring, and the output end of the hydraulic cylinder extends to the outer side of the connecting seat through the through hole and is located in a cavity formed between the screw rod and the sleeve.
Preferably, the storage groove has been seted up in the telescopic outside, the slide rail has all been seted up to the top and the bottom in storage groove, the outside sliding connection of slide rail has the regulating plate, the slide opening has been seted up to telescopic inner wall, the slide opening communicates with the inside in storage groove each other.
Preferably, the connecting block is all installed to the relative one side of regulating plate, the outside slip interlude of connecting block is connected inside the slide opening, the connecting block extends to the output of one side and the pneumatic cylinder of screw rod and the inside cavity of sleeve articulated each other.
The utility model discloses a centralizer of a gamma combined logging instrument, which has the following beneficial effects:
1. the utility model discloses a sleeve passes through rotation axis, sealing washer, holding ring and seat cover and can increase the leakproofness, and four directions in the sleeve outside all are provided with the regulating plate, and the logging instrument produces when squinting at the logging in-process, can promote the regulating plate through the pneumatic cylinder and remove, promotes rubble adjustment drill bit inclination through the regulating plate, can cushion the pressure that the regulating plate received through slider and spacing spring, and resilience ability through spacing spring self can increase the impact force that the regulating plate removed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the sleeve of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2.
In the figure: 1. a wireless communication short section; 2. receiving a short section; 3. a screw; 4. launching a short section; 5. a drill bit; 6. a sleeve; 7. an adjusting plate; 8. a rotating shaft; 9. a seal ring; 10. a positioning ring; 11. a seat cover; 12. a connecting seat; 13. a limiting spring; 14. a hydraulic cylinder; 15. connecting blocks; 16. a slide rail.
Detailed Description
The embodiment of the utility model discloses a centralizer of a gamma combined logging instrument, which comprises the following components as shown in figures 1-3:
the wireless communication short section comprises a wireless communication short section 1, wherein a receiving short section 2 is installed at the bottom of the wireless communication short section 1, a screw rod 3 is installed at the bottom of the receiving short section 2, a transmitting short section 4 is installed at the bottom of the screw rod 3, a drill bit 5 is installed at the bottom of the transmitting short section 4, a sleeve 6 is arranged on the outer side of the screw rod 3, the wireless communication short section 1, the receiving short section 2 and the transmitting short section 4 are electrically connected, a displacement sensor is arranged inside the screw rod 3, the displacement sensor, the transmitting short section 4 and a hydraulic cylinder 14 are electrically connected, and the central positions of the sleeve 6 and the screw rod 3 are mutually overlapped;
the rotating shaft 8 is arranged at the top of the sleeve 6, the sealing ring 9 is arranged at the top of the rotating shaft 8, the positioning ring 10 is arranged at the bottom of the sleeve 6, the positioning ring 10 is fixedly sleeved on the outer side of the screw rod 3, the seat sleeve 11 is arranged at the bottom of the positioning ring 10, and the sealing ring 9, the rotating shaft 8, the positioning ring 10 and the seat sleeve 11 can realize the fixation of the sleeve 6 and seal the interior of the sleeve 6;
the inner side of the seat sleeve 11 is fixedly sleeved at the bottom of the outer side of the positioning ring 10, the seat sleeve 11 is attached to the bottom of the sleeve 6, the connecting seat 12 is fixedly sleeved at the top and the bottom of the outer side of the screw rod 3, the inner wall of the limiting spring 13 is attached to the outer side of the screw rod 3, the central positions of the connecting seat 12 and the screw rod 3 are overlapped, and the connecting seat 12 is arranged inside the sleeve 6;
the outer side of the rotating shaft 8 is attached to the inner portion of the top of the sleeve 6, the inner wall of the rotating shaft 8 is attached to the outer side of the receiving short section 2, the inner wall of the sealing ring 9 is attached to the outer side of the receiving short section 2, the top of the outer side of the positioning ring 10 is attached to the inner portion of the bottom of the sleeve 6, the rotating shaft 8 and the sealing ring 9 can limit the sleeve 6 and the receiving short section 2, and the positioning ring 10 and the seat sleeve 11 can limit the sleeve 6;
the centering component is arranged inside the sleeve 6 and comprises a connecting seat 12, a limiting spring 13 is arranged inside the connecting seat 12, a sliding block is connected inside the connecting seat 12 in a sliding manner, a hydraulic cylinder 14 is hinged to one side opposite to the sliding block, the hydraulic cylinder 14 and the sliding block can move synchronously, and the hydraulic cylinder 14 is limited by the sliding block;
the side, far away from each other, of the limiting spring 13 is fixedly connected with the inner wall of the connecting seat 12, a through hole is formed in the side, opposite to the connecting seat 12, of the limiting spring 13, the output end of the hydraulic cylinder 14 extends to the outer side of the connecting seat 12 through the through hole and is located in a cavity formed between the screw rod 3 and the sleeve 6, the limiting spring 13 is fixedly connected with the sliding block, and the sliding block can compress the limiting spring 13 in a sliding mode;
the outer side of the sleeve 6 is provided with an accommodating groove, the top and the bottom of the accommodating groove are both provided with slide rails 16, the outer side of each slide rail 16 is connected with an adjusting plate 7 in a sliding manner, the inner wall of the sleeve 6 is provided with a slide hole, the slide holes are communicated with the inner part of the accommodating groove, the outer side of each adjusting plate 7 is connected to the inner part of the accommodating groove in a sliding manner, the adjusting plates 7 can be limited through the accommodating grooves, and the four adjusting plates 7 are symmetrically arranged on the outer side of the sleeve 6 respectively;
connecting blocks 15 are installed on one opposite side of the adjusting plate 7, the outer side of each connecting block 15 is connected inside the sliding hole in a sliding penetrating mode, one side, extending to the inner cavity of the screw rod 3 and the sleeve 6, of each connecting block 15 is hinged to the output end of the hydraulic cylinder 14, synchronous movement of the adjusting plate 7 and the hydraulic cylinder 14 is achieved through the connecting blocks 15, and the adjusting plate 7 is driven to slide through the hydraulic cylinder 14.
The working principle is as follows: reference is made to figures 1 to 3 in use;
implementing the first step of operation, sleeving the sleeve 6 on the outer side of the screw rod 3, sleeving the rotating shaft 8 on the outer side of the receiving short section 2, attaching the outer side of the rotating shaft 8 to the top of the inner part of the sleeve 6, and sleeving the sealing ring 9 on the outer side of the rotating shaft 8;
sleeving a positioning ring 10 on the outer side of the screw rod 3, enabling the outer side of the positioning ring 10 to be attached to the bottom inside the sleeve 6, and then installing a seat sleeve 11 on the outer side of the positioning ring 10, enabling the top of the seat sleeve 11 to be attached to the bottom of the sleeve 6, so that the sleeve 6 is sealed;
implementing a second step of operation, when the drill bit 5 deviates from the logging route, starting one of the hydraulic cylinders 14 by a displacement sensor in the screw rod 3, driving one of the connecting blocks 15 to slide on the outer side of the sliding rail 16 by one of the hydraulic cylinders 14, driving one of the adjusting plates 7 to move in the sliding process, and mutually extruding the crushed stones through the adjusting plates 7;
drive drill bit 5 through pressure and remove, make drill bit 5 get back to the correct logging route, when regulating plate 7 received the resistance removal, drive pneumatic cylinder 14 through connecting block 15 and remove, pneumatic cylinder 14 drives slider compression limiting spring 13, and limiting spring 13 self resilience ability can increase the impact force that regulating plate 7 removed.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A centralizer for a gamma-ray combination logging tool, comprising:
the device comprises a wireless communication short section (1), wherein a receiving short section (2) is installed at the bottom of the wireless communication short section (1), a screw (3) is installed at the bottom of the receiving short section (2), a transmitting short section (4) is installed at the bottom of the screw (3), a drill bit (5) is installed at the bottom of the transmitting short section (4), and a sleeve (6) is arranged on the outer side of the screw (3);
the rotating shaft (8) is arranged at the top of the sleeve (6), a sealing ring (9) is arranged at the top of the rotating shaft (8), a positioning ring (10) is arranged at the bottom of the sleeve (6), the positioning ring (10) is fixedly sleeved on the outer side of the screw rod (3), and a seat sleeve (11) is arranged at the bottom of the positioning ring (10);
the utility model provides a hydraulic cylinder (14) is articulated to the inside of righting the subassembly, righting the subassembly and setting up in the inside of sleeve (6), it includes connecting seat (12) to right the subassembly, the inside of connecting seat (12) is provided with spacing spring (13), the inside sliding connection of connecting seat (12) has the slider, the relative one side of slider articulates.
2. The centralizer of a gamma ray combination logging tool of claim 1, wherein: the outside of rotation axis (8) is laminated with the inside at sleeve (6) top mutually, and the inner wall of rotation axis (8) is laminated with the outside of receiving nipple joint (2) mutually, the inner wall of sealing washer (9) is laminated with the outside of receiving nipple joint (2) mutually, the top in holding ring (10) outside is laminated with the inside of sleeve (6) bottom mutually.
3. The centralizer of a gamma combination logging tool of claim 1, wherein: the fixed cover in the inboard of seat cover (11) is established in the bottom in the holding ring (10) outside, and the bottom laminating of seat cover (11) and sleeve (6), the top and the bottom in screw rod (3) outside are established to connecting seat (12) fixed cover, the inner wall of spacing spring (13) is laminated with the outside of screw rod (3) mutually.
4. The centralizer of a gamma ray combination logging tool of claim 1, wherein: one side that spacing spring (13) kept away from each other and the inner wall fixed connection of connecting seat (12), the through-hole has been seted up to the relative one side of connecting seat (12), the output of pneumatic cylinder (14) passes through the through-hole and extends to the outside of connecting seat (12), and is arranged in the cavity that forms between screw rod (3) and sleeve (6).
5. The centralizer of a gamma ray combination logging tool of claim 1, wherein: the groove has been seted up in the outside of sleeve (6), slide rail (16) have all been seted up to the top and the bottom of accomodating the groove, the outside sliding connection of slide rail (16) has regulating plate (7), the slide opening has been seted up to the inner wall of sleeve (6), the slide opening communicates with the inside of accomodating the groove each other.
6. The centralizer of a gamma ray combination logging tool of claim 5, wherein: connecting block (15) are all installed to the relative one side of regulating plate (7), the outside slip interlude of connecting block (15) is connected inside the slide opening, connecting block (15) extend to screw rod (3) and sleeve (6) one side of inside cavity and the output of pneumatic cylinder (14) articulated each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220554826.2U CN216866604U (en) | 2022-03-15 | 2022-03-15 | Centralizer of gamma combined logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220554826.2U CN216866604U (en) | 2022-03-15 | 2022-03-15 | Centralizer of gamma combined logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216866604U true CN216866604U (en) | 2022-07-01 |
Family
ID=82123260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220554826.2U Active CN216866604U (en) | 2022-03-15 | 2022-03-15 | Centralizer of gamma combined logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216866604U (en) |
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2022
- 2022-03-15 CN CN202220554826.2U patent/CN216866604U/en active Active
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