CN208981971U - A kind of head protective device coating sucker rod - Google Patents
A kind of head protective device coating sucker rod Download PDFInfo
- Publication number
- CN208981971U CN208981971U CN201821660169.XU CN201821660169U CN208981971U CN 208981971 U CN208981971 U CN 208981971U CN 201821660169 U CN201821660169 U CN 201821660169U CN 208981971 U CN208981971 U CN 208981971U
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- China
- Prior art keywords
- sucker rod
- connecting rod
- bar body
- oil pumping
- coating
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Abstract
The utility model discloses a kind of head protective devices for coating sucker rod, including bar body of pumping, the sucker rod outer body edge is fixedly installed with protection shell, the protection outer side of shell surface is evenly distributed with pressure-bearing protrusive board, pressure-bearing protrusive board outer surface is provided with wearing layer, coating groove is offered between two pressure-bearing protrusive boards, the oil pumping bar body top is fixedly connected with upper connecting rod, it is fixedly connected between oil pumping bar body and the upper connecting rod by retaining ring, the upper connecting rod top is fixedly installed with connection bolt, the connection bolt middle inside offers guiding screw hole, the utility model is scientific and reasonable for structure, it is safe and convenient to use, by protecting shell, pressure-bearing protrusive board, wearing layer and coating groove make sucker rod body outer surface have higher wear-resisting and anti-corrosion capability, and then avoid oil pumping bar body with So that sucker rod body surface is generated damage because of friction between tubular pole, further improves the service life of oil pumping bar body.
Description
Technical field
The utility model relates to oil field operation equipment technical field, specially a kind of head for coating sucker rod protects dress
It sets.
Background technique
With the continuous expansion of present oilfield exploitation area, increase the use scope of sucker rod also constantly therewith, oil pumping
Bar is the slender rod piece of rod-pumped well, connects polished rod on it, under connect the effect that oil pumping pumps up transmitting power, while the single length of sucker rod
Degree is 7.62 or 8 meters, and material is usually low-carbon alloy steel by modifier treatment, is connected one by one in oil pipe with internal screw thread hoop
It extends on the piston at oilbearing stratum, by moving back and forth come pump oil, current oil well length is generally in two kms
Left and right, traditional sucker rod lacks the component of protection due to it in actual use, at head, and then sucker rod is made to exist
In actual use, it is easy to make the corrosion layer on its surface fall off, and then accelerate sucker rod because of the friction between its end and tubing string
The damage time, while existing sucker rod generally passes through relative complex connection component and is attached, this will lead to sucker rod
Become cumbersome in actual installation, while extending time manually installed and that disassembly is required.
Utility model content
The utility model provides a kind of head protective device for coating sucker rod, can effectively solve in above-mentioned background technique
The traditional sucker rod proposed lacks the component of protection due to it in actual use, at head, and then makes sucker rod
In actual use, it is easy to make the corrosion layer on its surface fall off, and then accelerate oil pumping because of the friction between its end and tubing string
The damage time of bar, while existing sucker rod generally passes through relative complex connection component and is attached, this will lead to oil pumping
Bar becomes cumbersome in actual installation, at the same extend it is manually installed and disassembly needed for time the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of head protection dress coating sucker rod
It sets, including oil pumping bar body, the sucker rod outer body edge are fixedly installed with protection shell, the protection outer side of shell
Surface is evenly distributed with pressure-bearing protrusive board, and pressure-bearing protrusive board outer surface is provided with wearing layer, opens between two pressure-bearing protrusive boards
Equipped with coating groove, the oil pumping bar body top is fixedly connected with upper connecting rod, between oil pumping bar body and the upper connecting rod
It is fixedly connected by retaining ring, the upper connecting rod top is fixedly installed with connection bolt, and the connection bolt middle inside is opened
Equipped with guiding screw hole, the sucker rod body bottom portion, which is provided with, immediately to be bound round, and the oil pumping bar body passes through immediately hoop and lower connection
It is fixedly connected between bar, the immediately hoop outer surface is provided with protection cord, and the lower connecting rod bottom part down is provided with
Sealing ring.
Preferably, the lower connecting rod middle inside, which is provided with, is plugged and fixed chamber, and described that intracavitary side portion is plugged and fixed is equal
It is symmetrically installed with stripper plate, bellows chamber is provided on the outside of the stripper plate, is equidistantly equipped with inside the bellows chamber crowded
Circlip is pressed, edge is provided with telescopic band on the outside of the extruding circlip, and edge middle-end symmetrically opens up on the outside of the lower connecting rod
Fluted, the inside grooves are fitting to connection restricted side plate.
Preferably, the wearing layer and coating rooved face are coated with antirust erosion resisting coating.
Preferably, the guiding screw hole inner wall is bonded with improved mat.
Preferably, the stripper plate inner surface is provided with antiskid rubber.
Preferably, pass through welded connecting between limitation side plate and the groove.
Compared with prior art, the utility model has the beneficial effects that the utility model is scientific and reasonable for structure, secure side is used
Just:
1, by protection shell, pressure-bearing protrusive board, wearing layer and coating groove, have sucker rod body outer surface higher resistance to
Mill and anti-corrosion capability, and then avoid that sucker rod body surface is made to generate damage between oil pumping bar body and tubular pole because of friction,
Further improve the service life of oil pumping bar body.
2, by the way that chamber is plugged and fixed, stripper plate, bellows chamber, squeezes circlip, groove and limitation side plate convenient for lower connecting rod
It is more simple and convenient when being connected between the components such as oil well pump, the time required when practical connection is shortened, sucker rod is improved
The service efficiency of ontology.
3, it binds round by retaining ring, connection bolt, guiding screw hole and immediately, convenient for oil pumping bar body, upper connecting rod and lower company
Between extension bar being fixedly connected with activity dismantle, and then make people to oil pumping bar body carry out disassembly maintenance or replace components when
It brings convenience.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model lower connecting rod；
Fig. 3 is the main view of the utility model；
Figure label: 1, bar body of pumping；2, shell is protected；3, pressure-bearing protrusive board；4, wearing layer；5, coating groove；6, retaining
Ring；7, upper connecting rod；8, bolt is connected；9, it is oriented to screw hole；10, it immediately binds round；11, lower connecting rod；12, cord is protected；13, it seals
Circle；14, chamber is plugged and fixed；15, stripper plate；16, bellows chamber；17, circlip is squeezed；18, telescopic band；19, groove；20, it limits
Side plate.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figure 1-3, the utility model provides a kind of technical solution, a kind of head guarantor coating sucker rod
Protection unit, including oil pumping bar body 1, oil pumping 1 outside edge of bar body are fixedly installed with protection shell 2,2 outside of protection shell
Surface is evenly distributed with pressure-bearing protrusive board 3, and 3 outer surface of pressure-bearing protrusive board is provided with wearing layer 4, offers between two pressure-bearing protrusive boards 3
The phenomenon that coating groove 5, wearing layer 4 and 5 surface of coating groove generate corrosion and damage in order to prevent, wearing layer 4 and 5 surface of coating groove are equal
Coated with antirust erosion resisting coating, 1 top of bar body of pumping is fixedly connected with upper connecting rod 7, oil pumping bar body 1 and upper connecting rod 7 it
Between be fixedly connected by retaining ring 6,7 top of upper connecting rod is fixedly installed with connection bolt 8, and connection 8 middle inside of bolt opens up
There is guiding screw hole 9, even closer fixation, guiding 9 inner wall of screw hole bond when connecting between polished rod to make to be oriented to screw hole 9 and connect
There is improved mat, oil pumping 1 bottom of bar body, which is provided with, immediately binds round 10, and oil pumping bar body 1 passes through immediately hoop 10 and lower connecting rod 11
Between be fixedly connected, immediately bind round 10 outer surfaces and be provided with protection cord 12,11 bottom part down of lower connecting rod is provided with sealing
Circle 13.
11 middle inside of lower connecting rod, which is provided with, is plugged and fixed chamber 14, and 14 inside edge of chamber is plugged and fixed and is symmetrically installed with
Stripper plate 15, in order to make stripper plate 15 have higher anti-skidding and fastening ability, stripper plate 15 when being press-connected between component
Inner surface is provided with antiskid rubber, and bellows chamber 16 is provided on the outside of stripper plate 15, is mounted equidistant inside bellows chamber 16
Have and squeeze circlip 17, squeezes 17 outside edge of circlip and be provided with telescopic band 18,11 outside edge middle-end of lower connecting rod is symmetrical
Fluted 19 are opened up, restricted side plate 20 is fitting to connection inside groove 19, in order to make to limit between side plate 20 and groove 19 even
Have higher stability after connecing, limits and pass through welded connecting between side plate 20 and groove 19.
The working principle and process for using of the utility model: the head protective device of the cladding sucker rod was actually using
Upper connecting rod 7 and connecing is fixedly connected by Cheng Zhong by connection bolt 8 and guiding screw hole 9 between polished rod first, followed by
Retaining ring 6 will be fixedly connected between upper connecting rod 7 and oil pumping bar body 1, then by immediately binding round 10 for lower connecting rod 11
It is fixedly connected between oil pumping bar body 1, finally connect the chamber 14 that is plugged and fixed inside lower connecting rod 11 with oil well pump
Grafting is carried out between component, and therebetween during grafting, stripper plate 15 is pushed by the connection component of oil well pump, makes to squeeze
Plate 15 is moved to 14 inside two sides of chamber are plugged and fixed, and then makes to pump using the contraction for squeezing circlip 17 and telescopic band 18
The connection component of pump and being plugged and fixed between chamber 14 is fixedly connected, and the limitation side plate 20 inside groove 19 can upon connection
The phenomenon that preventing the connection component of oil well pump from generating loosening upon connection, further ensures upon connection steady of lower connecting rod 11
It is qualitative, it will be attached between lower connecting rod 11 and oil well pump by this method, it is easy to operate, it is time saving and energy saving, in sucker rod sheet
After the connection of body 1 in actual use, protection shell 2 makes have higher protective capability outside oil pumping bar body 1, holds simultaneously
Belling plate 3 and the wearing layer on its surface 4 can effectively reduce the friction generated between oil pumping bar body 1 and tubing string, and then keep away
Exempting from friction makes 1 surface of bar body generation damage of pumping, while the antirust erosion resisting coating of 5 internal coat of coating groove makes bar body 1 of pumping
Surface has higher anti-corrosion ability, and then improves the actual life of oil pumping bar body 1.
Finally, it should be noted that being not limited to this reality the foregoing is merely the preferred embodiment of the utility model
With novel, although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of head protective device for coating sucker rod, including oil pumping bar body (1), it is characterised in that: the sucker rod sheet
Edge is fixedly installed with protection shell (2) on the outside of body (1), and it is convex that protection shell (2) outer surface is evenly distributed with pressure-bearing
Plate (3), pressure-bearing protrusive board (3) outer surface are provided with wearing layer (4), offer coating between two pressure-bearing protrusive boards (3)
Slot (5), oil pumping bar body (1) top are fixedly connected with upper connecting rod (7), the oil pumping bar body (1) and upper connecting rod
(7) it is fixedly connected between by retaining ring (6), upper connecting rod (7) top is fixedly installed with connection bolt (8), the company
Connecting bolt (8) middle inside offers guiding screw hole (9), and oil pumping bar body (1) bottom is provided with immediately hoop (10), described
Oil pumping bar body (1) is fixedly connected between (10) and lower connecting rod (11) by immediately binding round, described immediately to bind round (10) outer surface
It is provided with protection cord (12), lower connecting rod (11) bottom part down is provided with sealing ring (13).
2. a kind of head protective device for coating sucker rod according to claim 1, it is characterised in that: the lower connecting rod
(11) middle inside, which is provided with, is plugged and fixed chamber (14), and chamber (14) the inside edge that is plugged and fixed is symmetrically installed with stripper plate
(15), it is provided with bellows chamber (16), is equidistantly equipped with inside the bellows chamber (16) crowded on the outside of the stripper plate (15)
It presses circlip (17), edge is provided with telescopic band (18) on the outside of the extruding circlip (17), lower connecting rod (11) outer side edges
Portion's middle-end symmetrically opens up fluted (19), and restricted side plate (20) is fitting to connection inside the groove (19).
3. a kind of head protective device for coating sucker rod according to claim 1, it is characterised in that: the wearing layer
(4) and coating groove (5) surface is coated with antirust erosion resisting coating.
4. a kind of head protective device for coating sucker rod according to claim 1, it is characterised in that: the guiding screw hole
(9) inner wall is bonded with improved mat.
5. a kind of head protective device for coating sucker rod according to claim 2, it is characterised in that: the stripper plate
(15) inner surface is provided with antiskid rubber.
6. a kind of head protective device for coating sucker rod according to claim 2, it is characterised in that: the limitation side plate
(20) pass through welded connecting between groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821660169.XU CN208981971U (en) | 2018-10-14 | 2018-10-14 | A kind of head protective device coating sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821660169.XU CN208981971U (en) | 2018-10-14 | 2018-10-14 | A kind of head protective device coating sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208981971U true CN208981971U (en) | 2019-06-14 |
Family
ID=66787345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821660169.XU Active CN208981971U (en) | 2018-10-14 | 2018-10-14 | A kind of head protective device coating sucker rod |
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| CN (1) | CN208981971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523699A (en) * | 2020-12-04 | 2021-03-19 | 上海海隆石油钻具有限公司 | Petroleum drill pipe with wear-resistant layer for deep drilling |
-
2018
- 2018-10-14 CN CN201821660169.XU patent/CN208981971U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523699A (en) * | 2020-12-04 | 2021-03-19 | 上海海隆石油钻具有限公司 | Petroleum drill pipe with wear-resistant layer for deep drilling |
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