CN213175611U - Anti-loosening structure and well peripheral acoustic imaging logging instrument - Google Patents
Anti-loosening structure and well peripheral acoustic imaging logging instrument Download PDFInfo
- Publication number
- CN213175611U CN213175611U CN202021288868.3U CN202021288868U CN213175611U CN 213175611 U CN213175611 U CN 213175611U CN 202021288868 U CN202021288868 U CN 202021288868U CN 213175611 U CN213175611 U CN 213175611U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- hole
- jackscrew
- main shaft
- blind hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Component Parts Of Construction Machinery (AREA)
Abstract
A lockdown structure and a peri-well acoustic imaging tool are provided. Anti loosening structure includes: the switching split body is provided with a first mounting hole and a second mounting hole, the axis of the second mounting hole is inclined relative to the axis of the first mounting hole, and one end of the second mounting hole, which is close to the first mounting hole, is communicated with the first mounting hole; the main shaft is rotatably arranged in the first mounting hole; and the jackscrew is rotatably arranged in the second mounting hole and obliquely supported on the side surface of the main shaft in a pressing manner to prevent the main shaft from being loosened, the acting force applied by the main shaft to the jackscrew is decomposed into pressure along the axis of the jackscrew and shearing force vertical to the axis of the jackscrew, the shearing force is reduced relative to the acting force, the jackscrew is not easy to shear, and the main shaft can be better prevented from being loosened.
Description
Technical Field
This paper relates to oil equipment technical field, more specifically relates to a locking structure and a well cycle acoustic imaging logging instrument.
Background
The switching split body and the main shaft are mechanical structures used for connecting motor integration and probe integration in the well peripheral acoustic imaging logging instrument.
As shown in fig. 1 and 2, the left end of the main shaft 20 is provided with an external thread and a top thread hole 21, the adaptor split body 10 is provided with a blind threaded hole 11 and a through threaded hole 12, the axis of the blind threaded hole 11 is perpendicular to the axis of the through threaded hole 12, the main shaft 20 is screwed into the blind threaded hole 11 through the external thread at the left end, and the through threaded hole 12 is aligned with the top thread hole 21, and then the top thread 30 is screwed into the through threaded hole 12 and extends into the top thread hole 21, so as to prevent the main shaft 20 from loosening and unthreading (i.e., loosening), and two sets of the top thread 30, the top thread hole 21 and the through threaded hole 12 are arranged at an interval of 90 degrees. With this configuration, it is difficult to align the threaded through-hole 12 with the jack screw hole 21, and loosening of the main shaft 20 also tends to shear the jack screw 30.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a locking structure can solve the main shaft and loosen the problem of detaining the jackscrew of cutting easily.
The embodiment of the utility model provides a well peri-acoustic imaging logging instrument.
The embodiment of the utility model provides a locking structure, include: the connecting and dividing body is provided with a first mounting hole and a second mounting hole, the axis of the second mounting hole is inclined relative to the axis of the first mounting hole, and one end, close to the first mounting hole, of the second mounting hole is communicated with the first mounting hole; the main shaft is arranged in the first mounting hole in a rotating mode; and the jackscrew is screwed in the second mounting hole, obliquely pressed against the side surface of the main shaft and used for preventing the main shaft from being loosened.
Optionally, the second mounting hole and the jackscrew include multiple groups arranged at intervals in the circumferential direction of the first mounting hole.
Optionally, the multiple groups of second mounting holes and the jackscrews are symmetrically arranged on two sides of the first mounting hole.
Optionally, the multiple groups of the second mounting holes and the jackscrews are 2-4 groups.
Optionally, an annular groove is formed in the side face of the main shaft, and the jackscrew extends into the annular groove and abuts against the inner surface of the annular groove.
Optionally, the inner side surface of the annular groove is an inclined surface, and the jackscrew abuts against the inclined surface.
Optionally, the first mounting hole is a blind hole, and one end of the second mounting hole, which is far away from the first mounting hole, is close to the open end of the blind hole and is far away from the closed end of the blind hole.
Optionally, the blind hole is a stepped blind hole facing outwards, an inner hole section of the stepped blind hole is provided with an internal thread, and an outer hole section of the stepped blind hole is provided with the second mounting hole.
Optionally, the blind hole is a stepped blind hole facing outwards, an internal thread is arranged on an outer hole section of the stepped blind hole, and the second mounting hole is arranged on an inner hole section of the stepped blind hole.
The embodiment of the utility model provides a well peri-acoustic imaging logging instrument, including any one of the above-mentioned embodiment anti loosening structure.
The embodiment of the utility model provides a locking structure, be provided with first mounting hole and second mounting hole on the switching cut apart the body, the axis of second mounting hole is for the axis slope of first mounting hole, the one end that closes on first mounting hole of second mounting hole communicates with each other with first mounting hole, the main shaft is adorned soon in first mounting hole, the jackscrew is adorned soon in the second mounting hole, and the slope supports and press in the side of main shaft, a shear force for preventing the main shaft pine from detaining, the effort that the jackscrew was given to the main shaft decomposes the pressure along the jackscrew axis in pairs and with jackscrew axis vertically shearing force, the shearing force reduces for the effort, the jackscrew is difficult to be cut, can prevent the main shaft pine from detaining better.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.
Fig. 1 is a schematic front sectional view of a related art after a switching split body and a main shaft are connected;
FIG. 2 is a schematic right sectional view of the structure of FIG. 1;
fig. 3 is a schematic front sectional view of an anti-loosening structure according to an embodiment of the present invention;
FIG. 4 is a schematic right sectional view of the anti-loosening structure shown in FIG. 3;
fig. 5 is a front view of the spindle of fig. 3.
Wherein, the correspondence between the reference numbers and the part names in fig. 3 to 5 is:
100 transfer split body, 110 first mounting hole, 120 second mounting hole, 200 main shaft, 210 annular groove, 300 jackscrew.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The embodiment of the utility model provides a locking structure, as shown in fig. 3 to 5, include: the connecting and splitting body 100 is provided with a first mounting hole 110 and a second mounting hole 120, the axis of the second mounting hole 120 is inclined relative to the axis of the first mounting hole 110, and one end of the second mounting hole 120 close to the first mounting hole 110 is communicated with the first mounting hole 110; a main shaft 200 rotatably installed in the first installation hole 110; and a top thread 300 which is rotatably installed in the second installation hole 120 and obliquely pressed against the side surface of the main shaft 200 for preventing the main shaft 200 from being loosened.
The anti-loosening structure is characterized in that a first mounting hole 110 and a second mounting hole 120 are formed in a switching split body 100, the axis of the second mounting hole 120 inclines relative to the axis of the first mounting hole 110, one end, close to the first mounting hole 110, of the second mounting hole 120 is communicated with the first mounting hole 110, a spindle 200 is rotatably mounted in the first mounting hole 110, a jackscrew 300 is rotatably mounted in the second mounting hole 120 and obliquely pressed against the side face of the spindle 200 to prevent the spindle 200 from being loosened, acting force applied to the jackscrew 300 by the spindle 200 is decomposed into pressure along the axis of the jackscrew 300 and shearing force perpendicular to the axis of the jackscrew 300, the shearing force is reduced relative to the acting force, the jackscrew 300 is not easy to shear, and the spindle 200 can be better prevented from being loosened.
For example, as shown in fig. 3 and 4, the second mounting hole 120 and the jackscrew 300 include a plurality of sets spaced apart in the circumferential direction of the first mounting hole 110, so that the jackscrew 300 can be better prevented from being sheared, and the anti-loosening effect can be further improved.
For example, as shown in fig. 3 and 4, a plurality of sets of the second mounting holes 120 and the jackscrews 300 are symmetrically disposed at both sides of the first mounting hole 110; certainly also can be, the mode that multiunit second mounting hole 120 and jackscrew 300 upwards equipartition set up etc. in the circumference of first mounting hole 110 all can realize the purpose of this application, and its purpose does not break away from the utility model discloses a design idea is no longer repeated here, all should belong to the protection scope of this application.
As shown in fig. 4, the plurality of second mounting holes 120 and the jackscrews 300 can be 2, 3, or 4 groups, which can achieve the purpose of the present application, and the purpose of the present application does not depart from the design concept of the present invention, which is not described herein again, and all of which should fall within the protection scope of the present application.
For example, as shown in fig. 3 to 5, an annular groove 210 is provided on a side surface of the main shaft 200, the jackscrew 300 extends into the annular groove 210 and abuts against an inner surface of the annular groove 210, and the annular groove 210 and the second mounting hole 120 are easily aligned, so that the assembly speed of the anti-loose structure can be increased, and the anti-loose effect can also be improved.
Illustratively, the inner side surface of the annular groove 210 is an inclined surface, the jackscrew 300 abuts against the inclined surface, the contact area between the jackscrew 300 and the inclined surface is larger, and the anti-loosening effect can also be improved.
Illustratively, as shown in fig. 3, the first mounting hole 110 is a blind hole, and one end of the second mounting hole 120 away from the first mounting hole 110 is adjacent to an open end of the blind hole and away from a closed end of the blind hole.
Illustratively, as shown in fig. 3, the blind hole is a stepped blind hole with a step facing outward, an internal thread is provided on an inner hole section of the stepped blind hole, a second mounting hole 120 is provided on an outer hole section, the second mounting hole 120 and the internal thread are spaced in the axial direction of the first mounting hole 110, so that the internal thread on the stepped blind hole is a complete thread, the external thread on the main shaft 200 is also a complete thread, and the external thread on the main shaft 200 and the internal thread on the stepped blind hole are completely screwed together, which results in better connection performance between the two.
Of course, also can be, the blind hole is the ladder blind hole that the ladder faced outwards, is provided with second mounting hole 120 on being provided with internal thread, the interior hole section on the outer hole section of ladder blind hole, also can realize the purpose of this application, and its purpose does not break away from the utility model discloses a design thought is no longer repeated here, all should belong to in the protection scope of this application.
This anti loosening structure, when main shaft 200 will become flexible, main shaft 200 gives jackscrew 300's reaction force grow, and the effort grow of the threaded connection structure between jackscrew 300 and the switching cut apart body 100 this moment, and threaded connection structure extrudees each other tighter, and jackscrew 300 extrudees the power grow of main shaft 200 to the blind end of blind hole, realizes preventing that main shaft 200 from loosening and detaining.
The embodiment of the utility model provides a well peri-acoustic imaging logging instrument (not shown in the figure), including any above-mentioned embodiment anti loosening structure.
The well periphery acoustic imaging logging instrument has all the advantages of the anti-loosening structure provided by any one of the above embodiments, and is not described again here.
To sum up, the embodiment of the utility model provides a locking structure, be provided with first mounting hole and second mounting hole on the body is cut apart in the switching, the axis of second mounting hole is for the axis slope of first mounting hole, the one end that closes on first mounting hole of second mounting hole communicates with each other with first mounting hole, the main shaft is adorned soon in first mounting hole, the jackscrew is adorned soon in the second mounting hole, and the slope supports and presses in the side of main shaft, a loose knot of main shaft is used for preventing, the effort that the jackscrew was given to the main shaft decomposes the pressure along the jackscrew axis in pairs and with jackscrew axis vertically shearing force, the shearing force reduces for the effort, the jackscrew is difficult to be cut off, can prevent the main shaft pine knot better.
In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" word structure "and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and thus, is not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An anti-loosening structure, comprising:
the connecting and dividing body is provided with a first mounting hole and a second mounting hole, the axis of the second mounting hole is inclined relative to the axis of the first mounting hole, and one end, close to the first mounting hole, of the second mounting hole is communicated with the first mounting hole;
the main shaft is arranged in the first mounting hole in a rotating mode; and
and the jackscrew is screwed in the second mounting hole and obliquely pressed against the side surface of the main shaft to prevent the main shaft from being loosened.
2. The loosening prevention structure according to claim 1, wherein the second mounting hole and the jackscrew include a plurality of sets that are arranged at intervals in a circumferential direction of the first mounting hole.
3. The looseness-prevention structure of claim 2, wherein a plurality of sets of said second mounting holes and said jackscrews are symmetrically disposed on both sides of said first mounting hole.
4. The anti-loosening structure according to claim 2, wherein the plurality of sets of the second mounting holes and the jackscrews are 2-4 sets.
5. The anti-loosening structure according to claim 1, wherein the main shaft is provided with an annular groove on a side surface thereof, and the jackscrew extends into the annular groove and abuts against an inner surface of the annular groove.
6. The anti-loosening structure according to claim 5, wherein the inner side surface of the annular groove is a slope, and the jackscrew abuts against the slope.
7. The anti-loosening structure according to claim 1, wherein the first mounting hole is a blind hole, and one end of the second mounting hole, which is far away from the first mounting hole, is adjacent to an open end of the blind hole and is far away from a closed end of the blind hole.
8. The anti-loosening structure according to claim 7, wherein the blind hole is a stepped blind hole with a step facing outward, an inner hole section of the stepped blind hole is provided with an internal thread, and an outer hole section of the stepped blind hole is provided with the second mounting hole.
9. The anti-loosening structure according to claim 7, wherein the blind hole is a stepped blind hole with a step facing outward, an external hole section of the stepped blind hole is provided with internal threads, and an internal hole section of the stepped blind hole is provided with the second mounting hole.
10. A peri-acoustic imaging tool comprising a lockdown structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021288868.3U CN213175611U (en) | 2020-07-02 | 2020-07-02 | Anti-loosening structure and well peripheral acoustic imaging logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021288868.3U CN213175611U (en) | 2020-07-02 | 2020-07-02 | Anti-loosening structure and well peripheral acoustic imaging logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213175611U true CN213175611U (en) | 2021-05-11 |
Family
ID=75791057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021288868.3U Active CN213175611U (en) | 2020-07-02 | 2020-07-02 | Anti-loosening structure and well peripheral acoustic imaging logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213175611U (en) |
-
2020
- 2020-07-02 CN CN202021288868.3U patent/CN213175611U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213175611U (en) | Anti-loosening structure and well peripheral acoustic imaging logging instrument | |
| CN110496685A (en) | A kind of crusher | |
| CN2763605Y (en) | Rivet joint screw for assembling casing | |
| CN214424879U (en) | Locknut assembly | |
| CN209856201U (en) | Anti-loosening bolt and nut assembly | |
| CN213451265U (en) | Impact rammer locknut | |
| CN209856191U (en) | Oil seal cover fastening bolt | |
| CN209838829U (en) | Set screw offset type nut anti-loose structure | |
| CN213541029U (en) | Anti-loosening nut for wind power generation | |
| CN217682745U (en) | Anti-loosening device | |
| CN212625919U (en) | Battery box | |
| CN217055903U (en) | Anti-loose and anti-theft nut and disassembling tool thereof | |
| CN220668072U (en) | Press riveting bolt structure and press riveting nut structure | |
| CN111853034B (en) | Nut for wind power generation with long service life | |
| CN214263944U (en) | General type hydraulic pressure axle sleeve | |
| CN221209839U (en) | Upper die ultrathin ejection cylinder of die | |
| CN218624980U (en) | Non-standard bolt fastener | |
| CN217814865U (en) | Normally open type pressure relief structure | |
| CN217814456U (en) | Self-tightening anti-drop nut group | |
| CN217681650U (en) | Press cap anti loosening structure and bumper jar | |
| CN213053126U (en) | Safety protection device for in-mold tapping machine | |
| CN221195676U (en) | Nut with thickness superposition structure | |
| CN216751413U (en) | Sealing structure of motor shaft lead wire | |
| CN210949474U (en) | Screw locking nut, screw locking nut group and screw locking mechanism | |
| CN220415979U (en) | Screw cap structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |