CN203431416U - Vertical crossing pipeline centering device - Google Patents
Vertical crossing pipeline centering device Download PDFInfo
- Publication number
- CN203431416U CN203431416U CN201320318527.XU CN201320318527U CN203431416U CN 203431416 U CN203431416 U CN 203431416U CN 201320318527 U CN201320318527 U CN 201320318527U CN 203431416 U CN203431416 U CN 203431416U
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- China
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- locking device
- pipeline
- screw mandrel
- anchor ear
- centering device
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Abstract
The utility model discloses a vertical crossing pipeline centering device which is used for maintenance of oil well pipelines. The vertical crossing pipeline centering device comprises a connecting frame (1), a first locking device and a second locking device, wherein the first locking device and the second locking device are rotatably connected to the two ends of the connecting frame (1) and are fastened to the two ends of a pipeline requiring maintenance. The straight pipeline centering device can effectively reduce the number of spot operation personnel, save operation time and improve working efficiency in an oil well pipeline maintenance process.
Description
Technical field
The utility model relates to a kind of pipeline centering device, relates in particular to a kind of crossings on different level pipeline centering device for Oilfield Pipelines maintenance process.
Background technique
Increasing along with oil field development scale, the significantly increase of all kinds of flow process pipelines, medium causes corrosion and damages pipeline and valve, causes all kinds of pipelines to occur that the problems such as fracture, disconnection, mending-leakage, the strength of spraining, distortion are on the increase, and the workload of pipeline maintenance maintenance significantly increases.And when processing this class problem, oil field at home does not still have suitable time saving and energy saving instrument at present.What now generally adopt is artificial righting pipeline method, but it exists work limitation low, and personnel labor intensity is large, security risk is large, and defect and the problem such as very easily cause that personnel injure had a strong impact on the normal production of oil well, reduce oil well production timeliness, even caused personnel's the incident of injury.
The artificial righting pipeline method operating difficulties now adopting, intensity is very big.First before taking pipeline apart, for preventing that pipeline from sinking, adopt jack to drive support pipeline, because Pipe frame empty position is higher, jack distance not, can only select fragment of brick at ground frame higher baseline nearby; Pipeline is taken rear left dextroposition apart, and boomerang need be drawn with iron wire in one end, and the other end needs manpower to draw with the rope made of hemp, and many people use crowbar, and two people lift on coordinating, and two people are intersected crowbar to don't bother about line, and a people draws boomerang iron wire, and a people carries out maintenance work; In the pipeline strength of spraining, even need to rely on vehicle to draw when serious.Only this work has just expended a large amount of human and material resources, time and the pipeline of dislocation could have been carried out to centering, and security risk is large, does not meet on-the-spot needs.
To sum up, the problem that existing artificial righting pipeline mainly exists is: (1) field condition is severe, and basis, ground built on the sand, easily causes jack to drive Point of Strength shakiness, loses and should have effect; (2) require staff many, labor intensity is large, is at least 6-8 people; (3) with duration, can reach at most 4 hours, cause work limitation to reduce, thereby affect oil well output; (4) a large amount of application of forces of personnel and the cooperation of multiple machinery are carried out simultaneously, when work and easily cause personal damage; (5) easily produce pipeline deformed damaged during mechanical checkout; (6) success rate is low afterwards manually to carry out pipeline correction installation, easily causes and does over again.
Summary of the invention
The purpose of this utility model is to provide a kind of can effectively reduce the site operation personnel's quantity in Oilfield Pipelines maintenance process, the crossings on different level pipeline centering device of saving the operating time and increasing work efficiency.
For achieving the above object, the concrete technological scheme of crossings on different level pipeline centering device of the present utility model is:
A pipeline centering device, for the maintenance of oil pipeline, comprises link press span and is rotatably connected at the first locking device and second locking device at link press span two ends, the first locking device and the second locking device are fastened on the two ends that need maintenance pipeline.
Further, the first locking device comprises forward screw mandrel and the first anchor ear, and one end of forward screw mandrel is flexibly connected with the first anchor ear by movable joint, and the other end of forward screw mandrel is connected with the rotation of the first end of link press span.
Further, the second locking device comprises reverse screw mandrel and the second anchor ear, and oppositely one end of screw mandrel is flexibly connected with the second anchor ear by movable joint, and oppositely the other end of screw mandrel and the rotation of the second end of link press span are connected.
Further, the movable joint of connection wire rod and anchor ear is cross shaped joint.
Crossings on different level pipeline centering device of the present utility model in use, from aspects such as working strength, efficiency, security risks, has more advantage than the artificial righting method of existing use, specific as follows:
(1) applied widely, according to the difference of all kinds of pipeline models, produce all kinds of satisfactory anchor ears;
(2) adopt cross shaped joint to connect anchor ear, can rotate 360 °, be applicable to all kinds of crossings on different level pipelines;
(3) save the operating time, improve work limitation;
(4) reduce site operation personnel, reduce site operation personnel's labor intensity, increase work efficiency;
(5) reduce on-the-spot unsafe act, reduced security risk;
(6) rear success rate is installed and reaches 100%, avoid doing over again.
Accompanying drawing explanation
Fig. 1 is the plan view of crossings on different level pipeline centering device of the present utility model.
Embodiment
In order better to understand object, structure and the function of model utility, below in conjunction with accompanying drawing, a kind of crossings on different level pipeline centering device of the present utility model is done to further detailed description.
Referring to Fig. 1, it shows the plan view of crossings on different level pipeline centering device of the present utility model, and crossings on different level pipeline centering device of the present utility model is mainly used in solid, cross over line, and has the straight pipe-line by means of force.
As shown in Figure 1, pipeline centering device of the present utility model comprises link press span 1 and is separately positioned on the first locking device and second locking device at link press span 1 two ends, wherein, the first locking device and the second locking device are used for being fixed on pipeline to be keeped in repair, and the first locking device and the second locking device can move axially with respect to link press span 1, to realize the adjustment of distance between the first locking device and the second locking device.
Further, as shown in Figure 1, the first locking device comprises that forward screw mandrel 2 and the first anchor ear 3, the first anchor ears 3 are for locking in one end of pipeline to be keeped in repair.Wherein, one end of forward screw mandrel 2 is flexibly connected with the first anchor ear 3 by movable joint 4, the other end of forward screw mandrel 2 is connected with the first end rotation of link press span 1, by with respect to link press span 1 rotation forward screw mandrel 2, can make the relative link press span 1 of the first locking device move axially thus.
The second locking device comprises that reverse screw mandrel 5 and the second anchor ear 6, the second anchor ears 6 are for locking at the other end of pipeline to be keeped in repair.Wherein, oppositely one end of screw mandrel 5 is flexibly connected with the second anchor ear 6 by movable joint 4, oppositely the other end of screw mandrel 5 is connected with the second end rotation of link press span 1, by with respect to the reverse screw mandrel 5 of link press span 1 rotation, can make the relative link press span 1 of the second locking device move axially thus.
Therefore,, by reverse in rotary moving with respect to link press span 1 of screw mandrel 5 in forward screw mandrel 2 in the first locking device and the second locking device, can realize the adjustment of distance between the first locking device and the second locking device.In addition, in the present embodiment, the movable joint 4 of connection wire rod 2,5 and anchor ear 3,6 is preferably cross shaped joint, so that the adjustment of angle between screw mandrel and anchor ear.
Thus, when needs keep in repair a certain Oilfield Pipelines, first, the first anchor ear 3 and the second anchor ear 6 are arranged on to need maintenance pipeline force bearing point suitable and convenient operation position fixing and locking.
Secondly, according to mismatch position and the pipeline of need maintenance pipeline, be subject to force direction, relative link press span 1, adjust forward screw mandrel 2 and reverse screw mandrel 5, and adjust the angle between forward screw mandrel 2 and the first anchor ear 3, reverse screw mandrel 5 and the second anchor ear 6 by movable joint 4, reach need the two interface rightings of maintenance pipeline, centering, separately, the object of closing up, meet field maintenance need of work.It should be noted, during execute-in-place, conventionally need to be used in combination the crossings on different level pipeline centering device of a plurality of the present embodiment, to reach best operating effect.
The feature contrast of crossings on different level pipeline centering device of the present utility model and existing artificial righting pipeline method has been described in form below:
As can be seen from the above table, by the contrast of two kinds of centering modes, more artificial righting pipeline method, crossings on different level pipeline centering device of the present utility model is shortened working hours 2.5 hours, improves work limitation 62.5%; Personnel's labor intensity is low, and operator are few, and zero personnel injure probability; Be widely applied at the scene, there is great social benefit.
By specific embodiment, the utility model is further described above; but it should be understood that; here concrete description; should not be construed as the restriction to essence of the present utility model and scope; one of ordinary skilled in the art, reading the various modifications of after this specification, above-described embodiment being made, belongs to the scope that the utility model is protected.
Claims (2)
1. a crossings on different level pipeline centering device, maintenance for oil pipeline, it is characterized in that, comprise link press span (1) and be rotatably connected at the first locking device and second locking device at link press span (1) two ends, the first locking device comprises forward screw mandrel (2) and the first anchor ear (3), one end of forward screw mandrel (2) is flexibly connected with the first anchor ear (3) by movable joint (4), the other end of forward screw mandrel (2) is connected with the first end rotation of link press span (1), the second locking device comprises reverse screw mandrel (5) and the second anchor ear (6), oppositely one end of screw mandrel (5) is flexibly connected with the second anchor ear (6) by movable joint (4), oppositely the other end of screw mandrel (5) and the rotation of the second end of link press span (1) are connected, the first locking device and the second locking device are fastened on the two ends that need maintenance pipeline.
2. crossings on different level pipeline centering device according to claim 1, is characterized in that, connection wire rod (2,5) is cross shaped joint with the movable joint (4) of anchor ear (3,6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320318527.XU CN203431416U (en) | 2013-06-04 | 2013-06-04 | Vertical crossing pipeline centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320318527.XU CN203431416U (en) | 2013-06-04 | 2013-06-04 | Vertical crossing pipeline centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203431416U true CN203431416U (en) | 2014-02-12 |
Family
ID=50060453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320318527.XU Expired - Fee Related CN203431416U (en) | 2013-06-04 | 2013-06-04 | Vertical crossing pipeline centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203431416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286742A (en) * | 2013-06-04 | 2013-09-11 | 中国石油化工股份有限公司 | Pipeline strengthening and centering device |
-
2013
- 2013-06-04 CN CN201320318527.XU patent/CN203431416U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286742A (en) * | 2013-06-04 | 2013-09-11 | 中国石油化工股份有限公司 | Pipeline strengthening and centering device |
| CN103286742B (en) * | 2013-06-04 | 2015-12-02 | 中国石油化工股份有限公司 | Pipeline centering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20160604 |