CN215660055U - Flange expansion device for oil field production - Google Patents
Flange expansion device for oil field production Download PDFInfo
- Publication number
- CN215660055U CN215660055U CN202121929715.7U CN202121929715U CN215660055U CN 215660055 U CN215660055 U CN 215660055U CN 202121929715 U CN202121929715 U CN 202121929715U CN 215660055 U CN215660055 U CN 215660055U
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- Prior art keywords
- expansion
- limiting
- flange
- stud
- nuts
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- 239000002184 metal Substances 0.000 claims abstract description 33
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a flange expansion device for oil field production, which comprises a metal plate, wherein expansion nuts are arranged on two sides of the metal plate, corresponding through holes are arranged on the upper end surface of the metal plate and on two sides of the expansion nuts, a first fixing nut and a second fixing nut are respectively arranged on the upper side and the lower side of each through hole, fixing studs are arranged on the inner sides of the through holes in a sliding manner, and free ends of the studs of the fixing nuts are connected with a connecting platform and a limiting ring; the inner side of the limiting ring is provided with a limiting column, the end part of the limiting column is provided with a limiting ball, and the other end part of the limiting column is provided with a limiting stud. The fixing of the device relative to the flange is completed by using the fixing stud and the limiting column, so that the operation is convenient to complete; the force application sleeve and the force application rod are arranged, so that a worker can conveniently insert the expansion head into a gap of the flange to complete the expansion of the flange; due to the arrangement of the two expansion heads and the connection through the mounting stud, the situation that the flange connection is too tight or the environment is special to cause the use limitation of the device is avoided, and the device is suitable for various working environments.
Description
Technical Field
The utility model relates to the technical field of oil field devices, in particular to a flange expansion device for oil field production.
Background
Most valves have long service life, are seriously corroded and abraded, the frequency of replacing sealing gaskets is increased year by year, four to five or even more gaskets are needed to be replaced each time due to different flange models, a crow bar is needed to be used for alternately searching for gaps, the space is narrow, the action is limited, the labor intensity is increased, unsafe factors such as bruising and scratching exist, and the normal production and operation of a pump station are seriously influenced.
There is therefore a need for an expander that is adaptable to different flange sizes.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide a flange expansion device for oilfield production.
The utility model realizes the purpose through the following technical scheme:
the flange expansion device for oil field production comprises a metal plate, expansion nuts are arranged on two sides of the metal plate, corresponding through holes are arranged on the upper end face of the metal plate and on two sides of the expansion nuts, a first fixing nut and a second fixing nut are respectively arranged on the upper side and the lower side of each through hole, fixing studs are arranged on the inner sides of the through holes in a sliding mode, and free ends of the fixing nuts are connected with a connecting table and a limiting ring;
a limiting column is arranged on the inner side of the limiting ring, a limiting ball is arranged at the end part of the limiting column, a limiting stud is arranged at the other end part of the limiting column, and a limiting nut is arranged on the outer wall of the limiting stud;
an expansion stud is arranged on the inner side of the expansion nut, a rotating bulge is fixedly connected to the lower end part of the expansion stud, a rotating sleeve is arranged on the outer wall of the rotating bulge, and a mounting nut is fixedly connected to the lower end face of the rotating sleeve;
the upper end part of the expansion stud is connected with a stress application sleeve, and the inner wall of the stress application sleeve is provided with a stress application rod;
the metal plate is characterized in that one side of the upper end face of the metal plate is provided with connecting lugs, the connecting lugs are connected with mounting studs through metal cables, the number of the mounting studs is two, and the end parts of the mounting studs are respectively connected with a first expansion head and a second expansion head.
Preferably: the number of the expansion nuts is two and the expansion nuts are correspondingly welded on the upper side and the lower side of the metal plate.
So set up, promote expansion nut with the joint strength of metal sheet.
Preferably: the first expansion head is a conical rotating body, and the second expansion head is a wedge-shaped body.
So set up, use multiple flange expansion operational environment.
Preferably: the mounting nut is matched with the mounting stud, and the first expansion head and the second expansion head are welded with the mounting stud.
So arranged, the connection of the first expansion head and the second expansion head is facilitated.
Preferably: the outer wall of the stress application rod is sleeved with anti-skid rubber.
So set up, avoid the expansion process to cause danger because of the slip of afterburning pole and afterburning cover.
Preferably: one end of the metal cable is fixed to the side wall of the connecting lug, and the other end of the metal cable is wound on the outer side of the connecting lug.
So set up, be convenient for accomplish fixed and take off to first expansion head and second expansion head.
Compared with the prior art, the utility model has the following beneficial effects:
1. the fixing of the device relative to the flange is completed by using the fixing stud and the limiting column, so that the operation is convenient to complete;
2. the force application sleeve and the force application rod are arranged, so that a worker can conveniently insert the expansion head into a gap of the flange to complete the expansion of the flange;
3. due to the arrangement of the two expansion heads and the connection through the mounting stud, the situation that the flange connection is too tight or the environment is special to cause the use limitation of the device is avoided, and the device is suitable for various working environments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first isometric view of the oilfield production flange expansion device of the present invention;
FIG. 2 is a second isometric view of the oilfield production flange expansion device of the present invention;
FIG. 3 is a front view of the oilfield production flange expansion device of the present invention;
fig. 4 is a partially enlarged view of the flange expansion means "a" for oilfield production according to the present invention.
The reference numerals are explained below:
1. a metal plate; 2. a first fixing nut; 3. a second fixing nut; 4. fixing the stud; 5. a connecting table; 6. a limiting ring; 7. a limiting column; 8. a limit nut; 9. a limiting stud; 10. a limiting ball; 11. expanding the nut; 12. expanding the stud; 13. a stress application sleeve; 14. a stressing rod; 15. mounting a nut; 16. connecting lugs; 17. a metal cord; 18. mounting a stud; 19. a first expansion head; 20. a second expansion head; 21. rotating the sleeve; 22. the boss is rotated.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The utility model will be further described with reference to the accompanying drawings in which:
example 1
As shown in fig. 1-4, the flange expansion device for oil field production comprises a metal plate 1, expansion nuts 11 are arranged on two sides of the metal plate 1, corresponding through holes are arranged on the upper end surface of the metal plate 1 and on two sides of the expansion nuts 11, a first fixing nut 2 and a second fixing nut 3 are respectively arranged on the upper side and the lower side of each through hole, fixing studs 4 are slidably arranged on the inner sides of the through holes, and free ends of the studs of the fixing nuts are connected with a connecting platform 5 and a limiting ring 6;
a limiting post 7 is arranged on the inner side of the limiting ring 6, a limiting ball 10 is arranged at the end part of the limiting post 7, a limiting stud 9 is arranged at the other end part of the limiting post 7, and a limiting nut 8 is arranged on the outer wall of the limiting stud 9;
an expansion stud 12 is arranged on the inner side of the expansion nut 11, a rotating bulge 22 is fixedly connected to the lower end part of the expansion stud 12, a rotating sleeve 21 is arranged on the outer wall of the rotating bulge 22, and a mounting nut 15 is fixedly connected to the lower end face of the rotating sleeve 21;
the upper end part of the expansion stud 12 is connected with a stress application sleeve 13, and the inner wall of the stress application sleeve 13 is provided with a stress application rod 14;
one side of the upper end surface of the metal plate 1 is provided with connecting lugs 16, mounting studs 18 are connected between the connecting lugs 16 through metal cables 17, the number of the mounting studs 18 is two, and the end parts of the two mounting studs are respectively connected with a first expansion head 19 and a second expansion head 20.
Preferably: the number of the expansion nuts 11 is two, and the expansion nuts 11 are correspondingly welded on the upper side and the lower side of the metal plate 1, so that the connection strength between the expansion nuts 11 and the metal plate 1 is improved; the first expansion head 19 is a conical rotating body, the second expansion head 20 is a wedge-shaped body, and various flanges are used for expanding the working environment; the mounting nut 15 is matched with the mounting stud 18, and the first expansion head 19 and the second expansion head 20 are welded with the mounting stud 18, so that the connection of the first expansion head 19 and the second expansion head 20 is conveniently completed; the outer wall of the stress application rod 14 is sleeved with anti-skid rubber, so that the danger caused by the sliding of the stress application rod 14 and the stress application sleeve 13 in the expansion process is avoided; one end of the metal cable 17 is fixed on the side wall of the connecting lug 16, and the other end of the metal cable 17 is wound on the outer side of the connecting lug 16, so that the first expansion head 19 and the second expansion head 20 can be conveniently fixed and removed.
The working principle is as follows: the staff unscrews the stop nut 8 that this device includes, take spacing post 7 out from spacing ring 6, be on a parallel with the flange axis laminating in the flange with metal sheet 1, adjust the flange hole well with two spacing rings 6, insert spacing post 7, accomplish fixedly through stop nut 8 and spacing double-screw bolt 9, install the expansion head through mounting nut 18 and mounting nut 15, insert afterburning cover 13 with application of force pole 14, rotatory afterburning cover 13, it is rotatory to drive expansion double-screw bolt 12, under expansion nut 11's spacing, expansion double-screw bolt 12 displacement, insert the flange clearance with the expansion head, accomplish the expansion back, the manual gasket that changes of staff's practical tool, and accomplish the maintenance to the flange, the personnel cost of flange maintenance has been reduced, can be by single operation of accomplishing safe and reliable low-intensity in the short time.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. 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.
Claims (6)
1. Flange expansion device for oil field production, including metal sheet (1), its characterized in that: expansion nuts (11) are arranged on two sides of the metal plate (1), corresponding through holes are formed in the upper end face of the metal plate (1) and in the two sides of the expansion nuts (11), first fixing nuts (2) and second fixing nuts (3) are arranged on the upper side and the lower side of each through hole respectively, fixing studs (4) are arranged on the inner sides of the through holes in a sliding mode, and free ends of the fixing nuts are connected with a connecting platform (5) and a limiting ring (6);
a limiting column (7) is arranged on the inner side of the limiting ring (6), a limiting ball (10) is arranged at the end part of the limiting column (7), a limiting stud (9) is arranged at the other end part of the limiting column (7), and a limiting nut (8) is arranged on the outer wall of the limiting stud (9);
an expansion stud (12) is arranged on the inner side of the expansion nut (11), a rotating bulge (22) is fixedly connected to the lower end part of the expansion stud (12), a rotating sleeve (21) is arranged on the outer wall of the rotating bulge (22), and a mounting nut (15) is fixedly connected to the lower end face of the rotating sleeve (21);
the upper end part of the expansion stud (12) is connected with a stress application sleeve (13), and the inner wall of the stress application sleeve (13) is provided with a stress application rod (14);
one side of the upper end face of the metal plate (1) is provided with connecting lugs (16), the connecting lugs (16) are connected with mounting studs (18) through metal cables (17), the number of the mounting studs (18) is two, and the end parts of the mounting studs are respectively connected with a first expansion head (19) and a second expansion head (20).
2. The flange expanding device for oilfield production according to claim 1, wherein: the number of the expansion nuts (11) is two and the expansion nuts are correspondingly welded on the upper side and the lower side of the metal plate (1).
3. The flange expanding device for oilfield production according to claim 1, wherein: the first expansion head (19) is a conical rotating body, and the second expansion head (20) is a wedge-shaped body.
4. The flange expanding device for oilfield production according to claim 1, wherein: the mounting nut (15) is matched with the mounting stud (18), and the first expansion head (19) and the second expansion head (20) are welded with the mounting stud (18).
5. The flange expanding device for oilfield production according to claim 1, wherein: the outer wall of the stress application rod (14) is sleeved with anti-skid rubber.
6. The flange expanding device for oilfield production according to claim 1, wherein: one end of the metal cable (17) is fixed on the side wall of the connecting lug (16), and the other end of the metal cable (17) is wound on the outer side of the connecting lug (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121929715.7U CN215660055U (en) | 2021-08-17 | 2021-08-17 | Flange expansion device for oil field production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121929715.7U CN215660055U (en) | 2021-08-17 | 2021-08-17 | Flange expansion device for oil field production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215660055U true CN215660055U (en) | 2022-01-28 |
Family
ID=79953147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121929715.7U Expired - Fee Related CN215660055U (en) | 2021-08-17 | 2021-08-17 | Flange expansion device for oil field production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215660055U (en) |
-
2021
- 2021-08-17 CN CN202121929715.7U patent/CN215660055U/en not_active Expired - Fee Related
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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: 20220128 |