CN208749320U - A kind of nonpetroleum expansion tube - Google Patents
A kind of nonpetroleum expansion tube Download PDFInfo
- Publication number
- CN208749320U CN208749320U CN201821508655.XU CN201821508655U CN208749320U CN 208749320 U CN208749320 U CN 208749320U CN 201821508655 U CN201821508655 U CN 201821508655U CN 208749320 U CN208749320 U CN 208749320U
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- expansion
- cone
- expansion tube
- slot
- centralizer
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Abstract
The utility model discloses a kind of nonpetroleum expansion tubes, including centralizer, expansion tube is equipped in the centralizer, the top of centralizer is equipped with cone bar, and the bottom end for boring bar is connected with expansion cone, the bottom of expansion cone extends in centralizer, cavity is offered in the expansion cone, and square type slot is offered in the bottom interior wall of cavity, servo motor is fixedly installed in the bottom interior wall of the cavity, and the output shaft of servo motor extends in square type slot and is fixedly installed with the first bevel type gear, the bottom of the expansion cone is in sliding slot there are four square type opens up, and sliding slot is set as being open far from the side of square type slot.The utility model structure is simple, easy to operate, convenient for adjusting the position of four camber cone-plates according to actual needs, reaches the coefficient of expansion increased to expansion tube, avoids the expansion cone for frequently replacing different size, reduces the labor intensity of worker, save the time, improve efficiency.
Description
Technical field
The utility model relates to bulged tube technology field more particularly to a kind of nonpetroleum expansion tubes.
Background technique
With the middle and later periods of oil exploitation to oil field, often there are damage problem, these problems in process of production in oil well
It is seriously affecting normal oil exploitation work, therefore, the novel effective workover process technology of research and extension is extremely urgent,
The it is proposed of bulged tube technology has played certain, expansion tube success on ocean at present to a series of solution of this problem
It applies, saves a large amount of raw material.
It is retrieved Authorization Notice No. CN205314941U and discloses a kind of petroleum drilling and mining expansion tube, including centralizer, institute
The inner wall relative position for stating centralizer is uniformly fixed with one end of strut, and the fixed company of the outer wall of the other end of strut and expansion tube
It connects, diamond shape fine crack is uniformly provided on the expansion tube, and diamond shape fine crack circular array shape arranges, the top of the expansion tube is
Hatch frame is connected with expansion cone at the top end opening of the expansion tube, and the top of expansion cone is fixed with one end of cone bar.It should
Petroleum drilling and mining expansion pipe structure is simple, and expansion tube enables its position to be stablized by strut and centralizer cooperation, guarantees
Drilling work is normally carried out, also, diamond shape fine crack is uniformly provided on expansion tube, has greatly helped the coefficient of expansion of expansion tube
It maximizes, so that expansion tube is more convenient for expanding, and the original mechanical performance of expansion tube will not change, and guarantee expansion work
Be normally carried out, greatly improve the coefficient of expansion of expansion tube.
Above-mentioned patent still has certain deficiency, due to the size of expansion cone be it is fixed, can not be adjusted, make
It obtains when needing to carry out carrying out the expansion of larger coefficient to expansion tube, needs replacing different size of expansion cone, it is time-consuming and laborious, it gives
Using bringing great inconvenience, therefore we have proposed a kind of nonpetroleum expansion tubes for solving the above problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of nonpetroleum proposed is swollen
Tube expansion.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of nonpetroleum expansion tube, including centralizer, the centralizer is interior to be equipped with expansion tube, and the top of centralizer is equipped with
Bar is bored, and the bottom end for boring bar is connected with expansion cone, the bottom of expansion cone extends in centralizer, opens up in the expansion cone free
Chamber, and square type slot is offered in the bottom interior wall of cavity, servo motor is fixedly installed in the bottom interior wall of the cavity, and watch
The output shaft for taking motor extends in square type slot and is fixedly installed with the first bevel type gear, and the bottom of the expansion cone is opened in square type
If there are four sliding slots, and sliding slot is set as being open far from the side of square type slot, and the outside of first bevel type gear is nibbled in square type
Second bevel type gear there are four closing, and the second bevel type gear is fixedly installed with screw rod, the spiral shell close to the side of corresponding sliding slot
Bar extends in corresponding sliding slot far from one end of corresponding second bevel type gear, and thread bush is equipped with slide bar on the screw rod, and
The bottom of slide bar is fixedly installed with the camber cone-plate being obliquely installed, and four camber cone-plates match, and the bottom of four camber cone-plates
Portion all extends in expansion tube, and two opposite camber cone-plates are symmetrical arranged, and limiting slot is offered at the top of the slide bar, and limit
It is fixedly installed with the same locating rod on the two sides inner wall of position slot, sliding sleeve is equipped with and corresponding sliding slot top in the locating rod
The limited block that inner wall is fixedly mounted.
Preferably, the two sides of the slide bar are slidably connected with the two sides inner wall of corresponding sliding slot respectively.
Preferably, the sliding slot offers the first circular hole on the side inner wall of square type slot, and fixed in the first circular hole
It is arranged with bearing, the inner ring of bearing is fixed with the outside of corresponding screw rod and is set with.
Preferably, the slide bar offers thread groove close to one end of square type slot, and thread groove and corresponding screw flight
Connection.
Preferably, the side of the limited block offers the second circular hole, and the second circular hole slides with corresponding locating rod and connects
It connects.
Preferably, the two sides of the limited block are slidably connected with the two sides inner wall of corresponding limiting slot respectively.
Compared with prior art, the beneficial effects of the utility model are:
By expansion tube, expansion cone, cavity, square type slot, slide bar, limiting slot, locating rod, limited block, thread groove, screw rod,
Second bevel type gear, servo motor, the first bevel type gear are matched with camber cone-plate, are carrying out the larger coefficient of expansion to expansion tube
When, forward direction starting servo motor, the output shaft of servo motor drives the first bevel type gear to drive four the second bevel type gear rotations,
Second bevel type gear drives corresponding screw rod rotation, and under the action of thread groove, screw rod rotation drives corresponding slide bar mobile, sliding
Bar drives corresponding locating rod to slide in the second circular hole, and slide bar also drives corresponding camber cone-plate mobile, four camber cone-plates
Expansion tube extruding is strutted from inside to outside in expansion tube simultaneously, makes it possible to adjust the position of four camber cone-plates according to actual needs
It sets, reaches the coefficient of expansion increased to expansion tube, avoid the expansion cone for frequently replacing different size.
The utility model structure is simple, easy to operate, convenient for adjusting the position of four camber cone-plates according to actual needs, reaches
To the coefficient of expansion increased to expansion tube, the expansion cone for frequently replacing different size is avoided, the labor intensity of worker is reduced, saves
Time improves efficiency.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of nonpetroleum expansion tube structural schematic diagram；
Fig. 2 be the utility model proposes a kind of nonpetroleum expansion tube part A schematic cross-sectional view.
In figure: 1 centralizer, 2 expansion tubes, 3 expansion cones, 4 cavitys, 5 square type slots, 6 sliding slots, 7 slide bars, 8 limiting slots, 9 positioning
Bar, 10 limited blocks, 11 thread grooves, 12 screw rods, 13 second bevel type gears, 14 servo motors, 15 first bevel type gears, 16 cambers cone
Plate.
Specific embodiment
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.
Referring to Fig.1-2, a kind of nonpetroleum expansion tube, including centralizer 1, centralizer 1 is interior to be equipped with expansion tube 2, centralizer 1
Top be equipped with cone bar, and bore bar bottom end be connected with expansion cone 3, the bottom of expansion cone 3 extends in centralizer 1, expansion cone 3
On offer cavity 4, and offer square type slot 5 in the bottom interior wall of cavity 4, be fixedly installed with and watch in the bottom interior wall of cavity 4
Motor 14 is taken, and the output shaft of servo motor 14 extends in square type slot 5 and is fixedly installed with the first bevel type gear 15, expansion cone
3 bottom is in sliding slot 6 there are four square type opens up, and sliding slot 6 is set as being open far from the side of square type slot 5, the first bevel type gear
In square type engagement, there are four the second bevel type gears 13 in 15 outside, and the second bevel type gear 13 is close to the side of corresponding sliding slot 6
It is fixedly installed with screw rod 12, screw rod 12 extends in corresponding sliding slot 6 far from one end of corresponding second bevel type gear 13, screw rod
Thread bush is equipped with slide bar 7 on 12, and the bottom of slide bar 7 is fixedly installed with the camber cone-plate 16 being obliquely installed, four camber cone-plates
16 match, and the bottom of four camber cone-plates 16 all extends in expansion tube 2, and two opposite camber cone-plates 16 are symmetrically set
It sets, the top of slide bar 7 offers limiting slot 8, and the same locating rod 9 is fixedly installed on the two sides inner wall of limiting slot 8, positioning
Sliding sleeve is equipped with the limited block 10 being fixedly mounted with corresponding 6 top inner wall of sliding slot on bar 9, passes through expansion tube 2, expansion cone 3, sky
Chamber 4, slide bar 7, limiting slot 8, locating rod 9, limited block 10, thread groove 11, screw rod 12, the second bevel type gear 13, is watched square type slot 5
Take motor 14, the first bevel type gear 15 is matched with camber cone-plate 16, positive when carrying out the larger coefficient of expansion to expansion tube 2
Start servo motor 14, the output shaft of servo motor 14 drives the first bevel type gear 15 to drive four the second bevel type gear 13 rotations
Turn, the second bevel type gear 13 drives corresponding screw rod 12 to rotate, and under the action of thread groove 11, the rotation of screw rod 12 drives corresponding
Slide bar 7 is mobile, and slide bar 7 drives corresponding locating rod 9 to slide in the second circular hole, and slide bar 7 also drives corresponding camber cone-plate 16
Mobile, four camber cone-plates 16 simultaneously from inside to outside strut the extruding of expansion tube 2 in expansion tube 2, make it possible to according to actual needs
The position for adjusting four camber cone-plates 16 reaches the coefficient of expansion increased to expansion tube 2, avoids frequently replacing the swollen of different size
Swollen cone 3, the utility model structure is simple, easy to operate, convenient for adjusting the position of four camber cone-plates 16 according to actual needs, reaches
To the coefficient of expansion increased to expansion tube 2, the expansion cone 3 for frequently replacing different size is avoided, the labor intensity of worker is reduced, saves
It saves time, improves efficiency.
In the utility model, the two sides of slide bar 7 are slidably connected with the two sides inner wall of corresponding sliding slot 6 respectively, and sliding slot 6 is close
The first circular hole is offered on the side inner wall of square type slot 5, and in the first circular hole fixing sleeve be equipped with bearing, the inner ring of bearing with it is corresponding
Screw rod 12 the fixed suit in outside, slide bar 7 offers thread groove 11 close to one end of square type slot 5, and thread groove 11 with it is corresponding
Screw rod 12 be threadedly coupled, the side of limited block 10 offers the second circular hole, and the second circular hole and corresponding locating rod 9 sliding company
It connects, the two sides of limited block 10 are slidably connected with the two sides inner wall of corresponding limiting slot 8 respectively, pass through expansion tube 2, expansion cone 3, sky
Chamber 4, slide bar 7, limiting slot 8, locating rod 9, limited block 10, thread groove 11, screw rod 12, the second bevel type gear 13, is watched square type slot 5
Take motor 14, the first bevel type gear 15 is matched with camber cone-plate 16, positive when carrying out the larger coefficient of expansion to expansion tube 2
Start servo motor 14, the output shaft of servo motor 14 drives the first bevel type gear 15 to drive four the second bevel type gear 13 rotations
Turn, the second bevel type gear 13 drives corresponding screw rod 12 to rotate, and under the action of thread groove 11, the rotation of screw rod 12 drives corresponding
Slide bar 7 is mobile, and slide bar 7 drives corresponding locating rod 9 to slide in the second circular hole, and slide bar 7 also drives corresponding camber cone-plate 16
Mobile, four camber cone-plates 16 simultaneously from inside to outside strut the extruding of expansion tube 2 in expansion tube 2, make it possible to according to actual needs
The position for adjusting four camber cone-plates 16 reaches the coefficient of expansion increased to expansion tube 2, avoids frequently replacing the swollen of different size
Swollen cone 3, the utility model structure is simple, easy to operate, convenient for adjusting the position of four camber cone-plates 16 according to actual needs, reaches
To the coefficient of expansion increased to expansion tube 2, the expansion cone 3 for frequently replacing different size is avoided, the labor intensity of worker is reduced, saves
It saves time, improves efficiency.
Working principle: when carrying out the larger coefficient of expansion to expansion tube 2, forward direction starting servo motor 14, servo motor 14
Output shaft drive the first bevel type gear 15 rotation, since four the second bevel type gears 13 are nibbled with 15 phase of the first bevel type gear
It closes, the rotation of the first bevel type gear 15 drives four the second bevel type gear 13 rotations, and the second bevel type gear 13 drives corresponding screw rod
12 rotations, under the action of thread groove 11, the rotation of screw rod 12 drives corresponding slide bar 7 mobile, and slide bar 7 drives corresponding locating rod
9 slide in the second circular hole, while slide bar 7 drives corresponding camber cone-plate 16 mobile to the direction far from square type slot 5, and at this time four
A camber cone-plate 16 simultaneously from inside to outside struts the extruding of expansion tube 2 in expansion tube 2, makes it possible to adjust four according to actual needs
The position of camber cone-plate 16 reaches the coefficient of expansion increased to expansion tube 2, avoids the expansion cone 3 for frequently replacing different size, drop
The labor intensity of low worker, saves the time, improves efficiency.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
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 (6)
1. a kind of nonpetroleum expansion tube, including centralizer (1), the centralizer (1) is interior to be equipped with expansion tube (2), centralizer (1)
Top be equipped with cone bar, and the bottom end for boring bar is connected with expansion cone (3), and the bottom of expansion cone (3) extends in centralizer (1),
It is characterized in that, offering cavity (4) on the expansion cone (3), and square type slot (5) are offered in the bottom interior wall of cavity (4),
It is fixedly installed with servo motor (14) in the bottom interior wall of the cavity (4), and the output shaft of servo motor (14) extends to square
It in type groove (5) and is fixedly installed with the first bevel type gear (15), the bottom of the expansion cone (3) is in sliding slot there are four square type opens up
(6), and sliding slot (6) is set as being open far from the side of square type slot (5), and the outside of first bevel type gear (15) is nibbled in square type
There are four closing the second bevel type gear (13), and the second bevel type gear (13) is fixedly installed with close to the side of corresponding sliding slot (6)
Screw rod (12), the screw rod (12) extend in corresponding sliding slot (6) far from one end of corresponding second bevel type gear (13), institute
It states thread bush on screw rod (12) and is equipped with slide bar (7), and the bottom of slide bar (7) is fixedly installed with the camber cone-plate being obliquely installed
(16), four camber cone-plates (16) match, and the bottom of four camber cone-plates (16) all extends in expansion tube (2), relatively
Two camber cone-plates (16) be symmetrical arranged, offered limiting slot (8) at the top of the slide bar (7), and the two sides of limiting slot (8)
It is fixedly installed on inner wall the same locating rod (9), sliding sleeve is equipped with and corresponding sliding slot (6) top on the locating rod (9)
The limited block (10) that inner wall is fixedly mounted.
2. a kind of nonpetroleum expansion tube according to claim 1, which is characterized in that distinguish the two sides of the slide bar (7)
It is slidably connected with the two sides inner wall of corresponding sliding slot (6).
3. a kind of nonpetroleum expansion tube according to claim 1, which is characterized in that the sliding slot (6) is close to square type slot
(5) the first circular hole is offered on side inner wall, and fixing sleeve is equipped with bearing, the inner ring of bearing and corresponding spiral shell in the first circular hole
The fixed suit in the outside of bar (12).
4. a kind of nonpetroleum expansion tube according to claim 1, which is characterized in that the slide bar (7) is close to square type slot
(5) one end offers thread groove (11), and thread groove (11) is threadedly coupled with corresponding screw rod (12).
5. a kind of nonpetroleum expansion tube according to claim 1, which is characterized in that open the side of the limited block (10)
Equipped with the second circular hole, and the second circular hole is slidably connected with corresponding locating rod (9).
6. a kind of nonpetroleum expansion tube according to claim 1, which is characterized in that the two sides of the limited block (10) point
It is not slidably connected with the two sides inner wall of corresponding limiting slot (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821508655.XU CN208749320U (en) | 2018-09-15 | 2018-09-15 | A kind of nonpetroleum expansion tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821508655.XU CN208749320U (en) | 2018-09-15 | 2018-09-15 | A kind of nonpetroleum expansion tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749320U true CN208749320U (en) | 2019-04-16 |
Family
ID=66084376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821508655.XU Active CN208749320U (en) | 2018-09-15 | 2018-09-15 | A kind of nonpetroleum expansion tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749320U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561274A (en) * | 2020-04-26 | 2020-08-21 | 中国石油集团渤海钻探工程有限公司 | Rotatable intelligent centralizer |
| CN114151057A (en) * | 2021-12-08 | 2022-03-08 | 安徽理工大学 | Coal rock drilling high-pressure hydraulic fracturing experimental device and application method thereof |
-
2018
- 2018-09-15 CN CN201821508655.XU patent/CN208749320U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561274A (en) * | 2020-04-26 | 2020-08-21 | 中国石油集团渤海钻探工程有限公司 | Rotatable intelligent centralizer |
| CN111561274B (en) * | 2020-04-26 | 2022-04-12 | 中国石油集团渤海钻探工程有限公司 | Rotatable intelligent centralizer |
| CN114151057A (en) * | 2021-12-08 | 2022-03-08 | 安徽理工大学 | Coal rock drilling high-pressure hydraulic fracturing experimental device and application method thereof |
| CN114151057B (en) * | 2021-12-08 | 2023-08-04 | 安徽理工大学 | Coal rock drilling high-pressure hydraulic fracturing experimental device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of oil expansion pipe Effective date of registration: 20211015 Granted publication date: 20190416 Pledgee: Bank of China Limited by Share Ltd. Luohe branch Pledgor: LUOHE TIEMA RUBBER PRODUCTS Co.,Ltd. Registration number: Y2021980010779 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |