CN207795238U - A kind of circular tube structure acoustic logging instrument - Google Patents
A kind of circular tube structure acoustic logging instrument Download PDFInfo
- Publication number
- CN207795238U CN207795238U CN201721724206.4U CN201721724206U CN207795238U CN 207795238 U CN207795238 U CN 207795238U CN 201721724206 U CN201721724206 U CN 201721724206U CN 207795238 U CN207795238 U CN 207795238U
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- China
- Prior art keywords
- round bar
- downhole cartridge
- bar
- sleeve
- downhole
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Abstract
The utility model discloses a kind of circular tube structure acoustic logging instruments, including ground instrument and pass through conducting wire downhole cartridge connected to it, downhole cartridge, which is equipped with, receives energy converter and transmitting transducer, the lower end of downhole cartridge is equipped with annular protrusion, downhole cartridge outer wall on the upside of annular protrusion is equipped with external screw thread, and the lower end outside of downhole cartridge is equipped with the first sleeve, and the upper end of the first sleeve is equipped with inside flange, the inner ring wall of flange is equipped with internal thread, and the first sleeve is threadedly coupled with downhole cartridge；The first round bar is vertically connected in the middle part of downhole cartridge lower face, it is evenly equipped with multiple along its circumferentially disposed sliding slot on the side wall of first round bar, sliding slot is internally provided with sliding block, bar shaped trepanning is vertically arranged in the middle part of sliding block, the bottom surface of sliding slot is equipped with several bolts hole, and caging bolt is equipped in bar shaped trepanning.The utility model not only can avoid damaging after downhole cartridge frequently contacts rock, also can avoid influence of the metal anti-collision structure to sonic detection, ensure that the accuracy of sonic detection.
Description
Technical field
The utility model is related to petroleum gas and coal logging equipment technical field more particularly to a kind of circular tube structure sound
Wave logger.
Background technology
Acoustic logging instrument is mainly used for as the investigation of civil engineering, geotechnical engineering, well management, environment and mine, oil/gas well
Equal fields provide logger and testing service.However, since the downhole cartridge on acoustic logging instrument needs to go deep into below ground
Sonic detection is carried out, side wall constantly collides with rock hard on the borehole wall, leads to downhole cartridge serious wear, especially set
It sets and receives energy converter and transmitting transducer on downhole cartridge and be easy to damage after being collided with rock and ineffective, not only shorten
The service life of equipment, and largely influenced the accuracy of sonic detection.
For this purpose, it is proposed that a kind of circular tube structure acoustic logging instrument solves the above problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of circular tube structure sound proposed
Wave logger.
To achieve the goals above, the utility model uses following technical solution：
A kind of circular tube structure acoustic logging instrument, including ground instrument and by conducting wire downhole cartridge connected to it, it is described
Downhole cartridge, which is equipped with, receives energy converter and transmitting transducer, and the lower end of the downhole cartridge is equipped with annular protrusion, the annular protrusion
The downhole cartridge outer wall of upside is equipped with external screw thread, and the lower end outside of the downhole cartridge is equipped with the first sleeve, first sleeve
Upper end is equipped with inside flange, and the inner ring wall of the flange is equipped with internal thread, and first sleeve is threadedly coupled with downhole cartridge；
The first round bar is vertically connected in the middle part of the downhole cartridge lower face, the diameter of first round bar is less than the diameter of downhole cartridge,
It is evenly equipped with multiple along its circumferentially disposed sliding slot on the side wall of first round bar, the sliding slot is internally provided with sliding block, described
Bar shaped trepanning is vertically arranged in the middle part of sliding block, the bottom surface of the sliding slot is equipped with several bolts hole, limit is equipped in the bar shaped trepanning
Position bolt, and the threaded one end of caging bolt is connected in bolt hole；First round bar is vertically connected in the middle part of lower face
Second round bar is cased with spring and second sleeve on second round bar, and one end of the spring offsets with the first round bar, and spring
The other end offset with second sleeve, annular corner cut is equipped at the lower edge of the second sleeve, under second round bar
End is connected with disk, is rotatably connected on the side wall of the disk several along its circumferentially disposed crash bar, several anticollisions
Bar radially distributes on the outside of disk, and the crash bar is equipped with voussoir, the inclined-plane of the voussoir close to the side of the second round bar
Offset with annular corner cut, the crash bar is also rotatably connected to supporting rod close to the side of the second round bar, the supporting rod it is another
One end is rotatablely connected with sliding block.
Preferably, the length of first sleeve is more than the length of annular protrusion.
Preferably, the outer wall of the annular protrusion and downhole cartridge is integrally formed setting.
Preferably, the diameter of the disk is equal with the diameter of the first round bar.
Preferably, the threaded upper ends of the crash bar are connected with rubber block, the sum of the length of the crash bar and rubber block
It is slightly less than the sum of the length of the first round bar and the second round bar.
Compared with prior art, the beneficial effects of the utility model are：By the way that the first round bar is arranged in the lower end of downhole cartridge,
Several sliding slots are set on the side wall of the first round bar, and sliding block is set in sliding slot, sliding block can slide up and down in sliding slot, pass through
Bar shaped trepanning is set on sliding block, and caging bolt is set in bar shaped trepanning, the range that sliding block slides in sliding slot can be limited,
The opening angle of crash bar can be not only limited, while crash bar can also be shunk in a certain range after hitting rock, it is then right
Downhole cartridge carries out damping, is damaged after avoiding downhole cartridge from frequently contacting rock, extends the service life of downhole cartridge；By entire anti-collision machine
Structure is arranged in the lower end of downhole cartridge, can avoid influence of the metal anti-collision structure to sonic detection, ensure that the accurate of sonic detection
Property.
Description of the drawings
Fig. 1 be the utility model proposes a kind of circular tube structure acoustic logging instrument structural schematic diagram；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the partial enlarged view at B in Fig. 1.
In figure：1 ground instrument, 2 downhole cartridges, 3 reception energy converters, 4 transmitting transducers, 5 annular protrusions, 6 first sleeves, 7 are turned over
Side, 8 first round bars, 9 sliding slots, 10 sliding blocks, 11 bolts hole, 12 bar shaped trepannings, 13 second round bars, 14 springs, 15 second sleeves, 16
Disk, 17 crash bars, 18 voussoirs, 19 supporting rods, 20 caging bolts.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig.1-3, a kind of circular tube structure acoustic logging instrument, including ground instrument 1 and connected to it by conducting wire
Downhole cartridge 2, downhole cartridge 2, which is equipped with, receives energy converter 3 and transmitting transducer 4, which is characterized in that the lower end of downhole cartridge 2 is equipped with ring
Shape protrusion 5, and the outer wall of annular protrusion 5 and downhole cartridge 2 is integrally formed and is arranged, and is set on 2 outer wall of downhole cartridge of 5 upside of annular protrusion
There are external screw thread, the lower end outside of downhole cartridge 2 to be equipped with the first sleeve 6, the upper end of the first sleeve 6 is equipped with inside flange 7, flange 7
Inner ring wall be equipped with internal thread, the first sleeve 6 is threadedly coupled with downhole cartridge 2；It should be noted that the length of the first sleeve 6
More than the length of annular protrusion 5, so that annular protrusion 5 can be covered in inside by the first sleeve 6 completely.
The first round bar 8 is vertically connected in the middle part of 2 lower face of downhole cartridge, the diameter of the first round bar 8 is less than the straight of downhole cartridge 2
Diameter, is evenly equipped on the side wall of the first round bar 8 multiple along its circumferentially disposed sliding slot 9, and sliding slot 9 is internally provided with sliding block 10, sliding block
10 middle part is vertically arranged bar shaped trepanning 12, and the bottom surface of sliding slot 9 is equipped with several bolts hole 11, and limit spiral shell is equipped in bar shaped trepanning 12
Bolt 20, and the threaded one end of caging bolt 20 is connected in bolt hole 11；Is vertically connected in the middle part of first round bar, 8 lower face
Two round bars 13 are cased with spring 14 and second sleeve 15 on second round bar 13, and one end of spring 14 offsets with the first round bar 8, and bullet
The other end of spring 14 offsets with second sleeve 15, and annular corner cut is equipped at the lower edge of second sleeve 15, the second round bar 13
Lower end is connected with disk 16, is rotatably connected on the side wall of disk 16 several along its circumferentially disposed crash bar 17, several anticollisions
Bar 17 radially distributes in 16 outside of disk, and crash bar 17 is equipped with voussoir 18 close to the side of the second round bar 13, voussoir 18
Inclined-plane offsets with annular corner cut, and crash bar 17 is also rotatably connected to supporting rod 19, supporting rod 19 close to the side of the second round bar 13
The other end and sliding block 10 be rotatablely connected.
Wherein, the diameter of disk 16 is equal with the diameter of the first round bar 8, after use, can all receive supporting rod 19
Contracting is folded up, and the volume of equipment is reduced, in order to preserve and carry；And it should be noted that crash bar 17 threaded upper ends
Be connected with rubber block, rubber block can be replaced individually, the sum of the length of crash bar 17 and rubber block be slightly less than the first round bar 8 with
The sum of the length of second round bar 13 is rotated further by the first sleeve 6 after supporting rod 19 shrinks folding, can be by the rubber of 19 upper end of supporting rod
Blob of viscose is wrapped in the first sleeve 6, it is avoided to flick.
The utility model is arranged several by the way that the first round bar 8 is arranged in the lower end of downhole cartridge on the side wall of the first round bar 8
Sliding slot 9, and sliding block 10 is set in sliding slot 9, sliding block 10 can slide up and down in sliding slot 9, by the way that bar shaped is arranged on sliding block 10
Trepanning 12, and caging bolt 14 is set in bar shaped trepanning 12, the range that sliding block 10 slides in sliding slot 9 can be limited, not only may be used
The opening angle of crash bar 17 is limited, while crash bar 17 can also be shunk in a certain range after hitting rock, then under
Well instrument carries out damping, is damaged after avoiding downhole cartridge from frequently contacting rock；By the way that the second round bar is arranged in the lower end of the first round bar 8
13, sheathed spring 14 and the second sleeve 15 with corner cut on the second round bar 13, and voussoir 18 is set on supporting rod 19, it can
Supporting rod 19 is open-top outward, to carry out anticollision；In addition, being arranged entire anticollision mechanism in the lower end of downhole cartridge 2, gold can avoid
Belong to influence of the anti-collision structure to sonic detection, ensure that the accuracy of sonic detection.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of circular tube structure acoustic logging instrument, including ground instrument (1) and by conducting wire downhole cartridge connected to it (2),
The downhole cartridge (2), which is equipped with, receives energy converter (3) and transmitting transducer (4), which is characterized in that under the downhole cartridge (2)
End is equipped with annular protrusion (5), and downhole cartridge (2) outer wall on the upside of the annular protrusion (5) is equipped with external screw thread, the downhole cartridge
(2) lower end outside is equipped with the first sleeve (6), and the upper end of first sleeve (6) is equipped with inside flange (7), the flange
(7) inner ring wall is equipped with internal thread, and first sleeve (6) is threadedly coupled with downhole cartridge (2)；Downhole cartridge (2) lower end
It is vertically connected with the first round bar (8) in the middle part of face, the diameter of first round bar (8) is less than the diameter of downhole cartridge (2), and described the
It is evenly equipped with multiple along its circumferentially disposed sliding slot (9) on the side wall of one round bar (8), the sliding slot (9) is internally provided with sliding block
(10), bar shaped trepanning (12) is vertically arranged in the middle part of the sliding block (10), the bottom surface of the sliding slot (9) is equipped with several bolts hole
(11), caging bolt (20) is equipped in the bar shaped trepanning (12), and the threaded one end of caging bolt (20) is connected to bolt hole
(11) in；It is vertically connected with the second round bar (13) in the middle part of first round bar (8) lower face, is covered on second round bar (13)
There are spring (14) and second sleeve (15), one end and the first round bar (8) of the spring (14) offset, and spring (14) is another
End offsets with second sleeve (15), and annular corner cut, second round bar are equipped at the lower edge of the second sleeve (15)
(13) lower end is connected with disk (16), is rotatably connected on the side wall of the disk (16) several along its circumferentially disposed anticollision
Bar (17), several crash bars (17) radially distribute on the outside of disk (16), and the crash bar (17) is close to the second circle
The side of bar (13) is equipped with voussoir (18), and the inclined-plane of the voussoir (18) offsets with annular corner cut, and the crash bar (17) is close
The side of second round bar (13) is also rotatably connected to supporting rod (19), and the other end and the sliding block (10) of the supporting rod (19) rotate
Connection.
2. a kind of circular tube structure acoustic logging instrument according to claim 1, which is characterized in that first sleeve (6)
Length be more than annular protrusion (5) length.
3. a kind of circular tube structure acoustic logging instrument according to claim 1, which is characterized in that the annular protrusion (5)
It is integrally formed and is arranged with the outer wall of downhole cartridge (2).
4. a kind of circular tube structure acoustic logging instrument according to claim 1, which is characterized in that the disk (16) it is straight
Diameter is equal with the diameter of the first round bar (8).
5. a kind of circular tube structure acoustic logging instrument according to claim 1, which is characterized in that the crash bar (17)
Threaded upper ends are connected with rubber block, and the crash bar (17) and the sum of the length of rubber block are slightly less than the first round bar (8) and second
The sum of the length of round bar (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721724206.4U CN207795238U (en) | 2017-12-12 | 2017-12-12 | A kind of circular tube structure acoustic logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721724206.4U CN207795238U (en) | 2017-12-12 | 2017-12-12 | A kind of circular tube structure acoustic logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795238U true CN207795238U (en) | 2018-08-31 |
Family
ID=63283825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721724206.4U Expired - Fee Related CN207795238U (en) | 2017-12-12 | 2017-12-12 | A kind of circular tube structure acoustic logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104797A (en) * | 2017-12-12 | 2018-06-01 | 重庆举程科技发展有限公司 | A kind of acoustic logging instrument with anticollision mechanism |
-
2017
- 2017-12-12 CN CN201721724206.4U patent/CN207795238U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104797A (en) * | 2017-12-12 | 2018-06-01 | 重庆举程科技发展有限公司 | A kind of acoustic logging instrument with anticollision mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20181212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |