CN206129176U

CN206129176U - Oil drilling is with inflation pipe connection

Info

Publication number: CN206129176U
Application number: CN201621173861.0U
Authority: CN
Inventors: 戴义明; 戴京
Original assignee: JIANGSU TENGLONG PETROCHEMICAL MACHINERY Co Ltd
Current assignee: JIANGSU TENGLONG PETROCHEMICAL MACHINERY Co Ltd
Priority date: 2016-10-26
Filing date: 2016-10-26
Publication date: 2017-04-26
Anticipated expiration: 2026-10-26

Abstract

The utility model discloses an oil drilling is with inflation pipe connection, including first connecting pipe, the outer wall of first connecting pipe has cup jointed the first lantern ring, gu the equal fixed mounting in both ends has the limiting plate about fixed ring's the inside, the equal fixed mounting in the bottom left and right sides of limiting plate has the fixed plate, the bottom fixed mounting of connecting piece has the push pedal, the push pedal is passed through expanding spring and is linked to each other with the fixed plate. This oil drilling is with inflation pipe connection, suppress first connecting pipe of messenger and the outside side expansion of second connecting pipe through suppressing the device, warp, the fixing base drives the inside lateral movement of catch bar, the catch bar drives the sliding block in the inside slip of slip recess, the catch bar drives the second permanent magnet and draws with first magnet attracted forever, be in the same place the second connecting pipe with first connecting pipe fixed connection, effectually ensured that expansion pipe connection stability is better, the emergence of accident has been avoided to the phenomenon of having avoided the expansion pipe junction to appear coming off.

Description

A kind of petroleum drilling and mining expansion pipe connection

Technical field

This utility model is related to petroleum drilling and mining technical field, specially a kind of petroleum drilling and mining expansion pipe connection.

Background technology

Bulged tube technology has more wide application prospect in drilling well, completion and workover process, for different work and The requirement of well depth, to be passed through the length that attachment structure configures working string, at present, oil field operation between the expansion tube of different length It is main using conventional one thread connection of connected mode, have curved surface thread connection, round thread connection, buttress thread connection, three Angular thread connection and rectangular thread connection etc., but it is existing expansion pipe connection there is a problem, such as Application No. 201521121580.6 patent, including sleeve pipe, are provided with expansion tube in sleeve pipe, the expansion tube is swollen by upper left expansion tube and bottom left Tube expanding joint is constituted, and is fixed by multiple I shape connectors of the same size and connect between upper left expansion tube and bottom left expansion tube Connect, on sleeve pipe, the position corresponding with I shape connector is provided with the annular deep gouge that can be engaged with I shape connector, to the greatest extent Tubular construction is simple, but poor to expansion tube connective stability, and the phenomenon for coming off easily occurs in expansion tube junction, and causes the accident Occur.

Utility model content

The purpose of this utility model is to provide a kind of petroleum drilling and mining to expand pipe connection, to solve above-mentioned background skill The problem proposed in art.

For achieving the above object, this utility model provides following technical scheme：A kind of petroleum drilling and mining is filled with expansion tube connection Put, including the first connecting tube, the outer wall of first connecting tube is socketed with first collar, is provided with the left of first connecting tube Second connecting tube, the outer wall of second connecting tube are socketed with second collar, equal Guan County of upper and lower ends on the right side of second collar Equipped with fixed seat, catch bar is installed on the right side of the fixed seat, the second permanent magnet on the right side of the catch bar, is installed with, The upper and lower ends of the catch bar are installed with sliding shoe, and the left side upper and lower ends of first collar are installed with Position-limiting drum, the inside upper and lower ends of the position-limiting drum are equipped with sliding recess, and the sliding shoe is connected with sliding recess, institute The inside for stating position-limiting drum is provided with the first permanent magnet, and second permanent magnet is connected with the first permanent magnetism ferromagnetism, and described first connects The outside of adapter and the second connecting tube is provided with retainer ring, and the inside upper and lower ends of the retainer ring fixedly mount limited location Plate, the bottom left and right sides of the limiting plate are installed with fixed plate, and the inside left and right sides of the limiting plate is equipped with Perforation, the inside of the perforation are installed with fix bar, and the upper and lower ends of the fix bar are installed with spacer pin, institute The tip exterior for stating fix bar is socketed with connector, and the bottom of the connector is installed with push pedal, and the push pedal is by stretching Contracting spring is connected with fixed plate.

Preferably, securing plate is installed with the outside of the fixed plate.

Preferably, expansion link is installed on the inside of the push pedal.

Preferably, the surface of the push pedal is provided with stopper slot.

Preferably, the push pedal is provided with fixing collar with the junction of connector.

Compared with prior art, the beneficial effects of the utility model are：Petroleum drilling and mining expansion pipe connection, passes through Pressure device is suppressed makes the first connecting tube and the second connecting tube expand laterally, deform, the first connecting tube and the second connecting tube band Dynamic second collar and first set ring lateral expansion, second collar and first collar promote push pedal to move upwards, and push pedal drives and connects Fitting is rotated in fix bar, and push pedal promotes adjustable spring to be stretched, and adjustable spring bounce-back promotes push pedal to drive second collar With first set ring medial motion, to medial motion, second collar drives the second connecting tube to dynamic first connecting tube of first set annulus To medial motion, second collar drives fixed seat to medial motion, and fixed seat drives catch bar to medial motion, and catch bar drives In sliding recess internal slide, catch bar drives the second permanent magnet mutually to attract with the first permanent magnet to sliding shoe, by the second connecting tube It is fixed together with the first connecting tube, effectively ensure that expansion tube connective stability is preferable, it is to avoid expansion tube connection The phenomenon that coming off occurs in place avoids the generation of accident.

Description of the drawings

Fig. 1 is this utility model structural representation；

Fig. 2 is connecting-piece structure schematic diagram of the present utility model；

Fig. 3 is spacing slot structure schematic diagram of the present utility model.

In figure：1st, retainer ring, 2, perforation, 3, securing plate, 4, sliding recess, the 5, first permanent magnet, the 6, first connecting tube, 7, First collar, 8, position-limiting drum, the 9, second permanent magnet, 10, sliding shoe, 11, push pedal, 12, adjustable spring, 13, catch bar, 14, Two connecting tubes, 15, second collar, 16, fixed seat, 17, fixed plate, 18, limiting plate, 19, fix bar, 20, expansion link, 21, limit Position pin, 22, connector, 23, stopper slot, 24, fixing collar.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Fig. 1-3 are referred to, this utility model provides a kind of technical scheme：A kind of petroleum drilling and mining expansion pipe connection, Including the first connecting tube 6, the outer wall of first connecting tube 6 is socketed with first collar 7, and the left side of first connecting tube 6 sets The outer wall for having the second connecting tube 14, second connecting tube 14 is socketed with second collar 15, on the right side of second collar 15 up and down The equal Guan County in two ends is equipped with fixed seat 16, and the right side of the fixed seat 16 is provided with catch bar 13, can make second by catch bar 13 Permanent magnet 9 is mutually attracted with the first permanent magnet 5, and the right side of the catch bar 13 is installed with the second permanent magnet 9, the catch bar 13 upper and lower ends are installed with sliding shoe 10, can increase the stability of the movement of catch bar 13 by sliding shoe 10, described The left side upper and lower ends of first collar 7 are installed with position-limiting drum 8, and the inside upper and lower ends of the position-limiting drum 8 are equipped with cunning Dynamic groove 4, is capable of achieving the slip of sliding shoe 10 by sliding recess 4, and the sliding shoe 10 is connected with sliding recess 4, institute The inside for stating position-limiting drum 8 is provided with the first permanent magnet 5, and second permanent magnet 9 is connected with 5 magnetic of the first permanent magnet, and described The outside of one connecting tube 6 and the second connecting tube 14 is provided with retainer ring 1, the fixed peace of inside upper and lower ends of the retainer ring 1 Equipped with limiting plate 18, the bottom left and right sides of the limiting plate 18 is installed with fixed plate 17, the limiting plate 18 it is interior The portion left and right sides is equipped with perforation 2, is capable of achieving the installation of fix bar 19 by perforation 2, and the inside of the perforation 2 is installed with Fix bar 19, the upper and lower ends of the fix bar 19 are installed with spacer pin 21, the tip exterior set of the fix bar 19 Connector 22 is connected to, the bottom of the connector 22 is installed with push pedal 11, adjustable spring 12 can be promoted to enter by push pedal 11 Row is flexible, and the surface of the push pedal 11 is provided with stopper slot 23, can increase the flexible stability of adjustable spring 12 by stopper slot 23, The push pedal 11 is provided with fixing collar 24 with the junction of connector 22, can increase push pedal 11 and connector 22 by fixing collar 24 Junction stability, the inner side of the push pedal 11 is provided with expansion link 20, can increase push pedal 11 by expansion link 12 and move Stability, the push pedal 11 are connected with fixed plate 17 by adjustable spring 12, and the outside of the fixed plate 17 is installed with and adds Gu plate 3, can increase the stability of the support of fixed plate 17 by securing plate 3.

Being suppressed by pressure device makes the first connecting tube 6 and the second connecting tube 14 expand laterally, deform, the first connecting tube 6 and the second connecting tube 14 drive second collar 15 and first collar 7 to expand laterally, second collar 15 and first collar 7 are promoted Push pedal 11 is moved upwards, and push pedal 11 is rotated in fix bar 19 with follower link 22, and push pedal 11 promotes adjustable spring 12 to be stretched Contracting, the bounce-back of adjustable spring 12 promote push pedal 11 to drive second collar 15 and first collar 7 to medial motion, and first collar 7 drives To medial motion, second collar 15 drives the second connecting tube 14 to medial motion to first connecting tube 6, and second collar 15 drives to be fixed To medial motion, fixed seat 16 drives catch bar 13 to medial motion to seat 16, and catch bar 13 drives sliding shoe 10 in sliding recess 4 Internal slide, catch bar 13 drive the second permanent magnet 9 mutually to attract with the first permanent magnet 5, by the second connecting tube 14 and the first connection Pipe 6 is fixed together.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, Be appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repair Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of petroleum drilling and mining expansion pipe connection, including the first connecting tube（6）, it is characterised in that：First connection Pipe（6）Outer wall be socketed with first collar（7）, first connecting tube（6）Left side be provided with the second connecting tube（14）, described Two connecting tubes（14）Outer wall be socketed with second collar（15）, second collar（15）Upper and lower ends equal Guan County in right side is equipped with solid Reservation（16）, the fixed seat（16）Right side catch bar is installed（13）, the catch bar（13）Right side be installed with Second permanent magnet（9）, the catch bar（13）Upper and lower ends be installed with sliding shoe（10）, first collar（7） Left side upper and lower ends be installed with position-limiting drum（8）, the position-limiting drum（8）Inside upper and lower ends be equipped with sliding recess （4）, the sliding shoe（10）With sliding recess（4）It is connected, the position-limiting drum（8）Inside the first permanent magnet is installed （5）, second permanent magnet（9）With the first permanent magnet（5）Magnetic connects, first connecting tube（6）With the second connecting tube （14）Outside retainer ring is installed（1）, the retainer ring（1）Inside upper and lower ends be installed with limiting plate（18）, The limiting plate（18）The bottom left and right sides be installed with fixed plate（17）, the limiting plate（18）Inside or so two Side is equipped with perforation（2）, the perforation（2）Inside be installed with fix bar（19）, the fix bar（19）Up and down two End is installed with spacer pin（21）, the fix bar（19）Tip exterior be socketed with connector（22）, the connector （22）Bottom be installed with push pedal（11）, the push pedal（11）By adjustable spring（12）With fixed plate（17）It is connected.

2. a kind of petroleum drilling and mining according to claim 1 is used and expands pipe connection, it is characterised in that：The fixed plate （17）Outside be installed with securing plate（3）.

3. a kind of petroleum drilling and mining according to claim 1 is used and expands pipe connection, it is characterised in that：The push pedal（11） Inner side expansion link is installed（20）.

4. a kind of petroleum drilling and mining according to claim 1 is used and expands pipe connection, it is characterised in that：The push pedal（11） Surface be provided with stopper slot（23）.

5. a kind of petroleum drilling and mining according to claim 1 is used and expands pipe connection, it is characterised in that：The push pedal（11） With connector（22）Junction fixing collar is installed（24）.