CN207879277U - A kind of anti-corrosion eccentric abrasion prevention spiral centering device - Google Patents
A kind of anti-corrosion eccentric abrasion prevention spiral centering device Download PDFInfo
- Publication number
- CN207879277U CN207879277U CN201721912799.7U CN201721912799U CN207879277U CN 207879277 U CN207879277 U CN 207879277U CN 201721912799 U CN201721912799 U CN 201721912799U CN 207879277 U CN207879277 U CN 207879277U
- Authority
- CN
- China
- Prior art keywords
- block
- convex block
- magnesium alloy
- abrasion prevention
- centerbody
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model is related to a kind of anti-corrosion eccentric abrasion prevention spiral centering devices, including centerbody, sliding slot, sliding block, magnesium alloy anode, idler wheel and spring, centerbody bottom is fixedly connected with magnesium alloy anode, centralizer is equipped with above magnesium alloy anode, centralizer includes supporting positive cover and convex block, supporting positive cover is connect with centerbody, sliding slot is offered in convex block, groove is equipped between convex block, the outermost radius of magnesium alloy anode is smaller than the outermost radius of convex block, sliding block is slidably connected in sliding slot, the shape of sliding block is square, spring is fixedly connected on slider side wall, the spring other end is fixedly connected with sliding slot inner wall, idler wheel is equipped between convex block, idler wheel both sides flat key is connected with shaft, shaft is rotatablely connected with sliding block, limited block is equipped with above supporting positive cover, limited block is threadedly coupled with center-pole.A kind of anti-corrosion ability of anti-corrosion eccentric abrasion prevention spiral centering device described in the utility model is strong, extends sucker rod service life, while eccentric abrasion prevention performance is good, is effectively protected sucker rod.
Description
Technical field
The utility model is related to commercial Application equipment technical fields, and in particular to a kind of anti-corrosion eccentric abrasion prevention spiral righting dress
It sets.
Background technology
In the prior art, in oil field development production, mainly pumping production, with the development and production in oil field, inclined shaft,
The implementation of the technological measures such as horizontal well, sidetracked hole, the bias that the sucker rod and its box cupling and tube inner wall of a large amount of oil wells generate are ground
Damage increasingly severe, the service life of oil pipe and sucker rod greatly shortens, and oil well operation is frequent, has seriously affected opening for oil field
It produces, sucker rod and its box cupling and tube inner wall generate eccentric wear it is necessary to sucker rod stabilizing in order to prevent.
A kind of eccentric abrasion prevention high temperature resistant oil pumping rod centering device is disclosed in the prior art, including the top connection being fixedly and coaxially connected
And lower contact, the top connection upper end and lower contact lower end are respectively equipped with the pipe screw thread convenient for being connect with sucker rod, it is described on connect
It is fixed with the step transition section radially reduced between head and lower contact, the step transition section circumferential play is arranged with righting
Set, the periphery of the supporting positive cover is evenly equipped with several dovetail grooves, helping for Wear-resistant, high-temperature resistant material is installed with respectively in the dovetail groove
Positive block, the radial outside and the borehole wall of the wiper block are against for centering sucker rod, the diameter of the wiper block and supporting positive cover clamping
To being additionally provided with shop bolt.The eccentric abrasion prevention high temperature resistant oil pumping rod centering device of the utility model can reduce the material of centralizer at
This, while the service life of centralizer is improved, but antiseptic property is bad, and sucker rod is caused to be easy to be corroded, and shortens and uses the longevity
Life；In addition preventing sucker rod from slanting-wear performance is also needed to further increase.
For this purpose, the utility model devises specially a kind of anti-corrosion eccentric abrasion prevention spiral centering device, to solve the above problems.
Utility model content
One main purpose of the utility model is to overcome at least one defect in the prior art, provides a kind of anti-corrosion
Eccentric abrasion prevention spiral centering device, although to solve the material cost that can play reduction centralizer proposed in the prior art, together
The service life of Shi Tigao centralizers, but it is bad to solve antiseptic property, and sucker rod is caused to be easy to be corroded, and shortens and uses
Service life；In addition the problem of preventing sucker rod from slanting-wear performance also being needed to further increase.
In order to realize that above-mentioned technical proposal, the utility model use following technical scheme：
One side according to the present utility model provides a kind of anti-corrosion eccentric abrasion prevention spiral centering device, including centerbody, cunning
Slot, sliding block, magnesium alloy anode, idler wheel and spring, the centerbody bottom are fixedly connected with magnesium alloy anode, and the magnalium closes
Centralizer is equipped with above gold anode, the centralizer includes supporting positive cover and convex block, and the supporting positive cover is connect with centerbody, described convex
Sliding slot is offered in block, and groove, peripheral half of outermost radius than convex block of the magnesium alloy anode are equipped between the convex block
Diameter is small, sliding block is slidably connected in the sliding slot, the shape of the sliding block is square, is fixedly connected on the slider side wall
Spring, the spring other end are fixedly connected with sliding slot inner wall, and idler wheel is equipped between the convex block, and idler wheel both sides flat key connects
It is connected to shaft, the shaft is rotatablely connected with sliding block, and limited block, the limited block and center-pole spiral shell are equipped with above the supporting positive cover
Line connects.
An embodiment according to the present utility model, the centerbody have been connected through a screw thread supporting positive cover.
An embodiment according to the present utility model, the convex block shape is arc, and the number of every layer of convex block is 4
It is a.
An embodiment according to the present utility model, the convex block have three layers.
An embodiment according to the present utility model, the supporting positive cover are equipped with two groups of idler wheels.
An embodiment according to the present utility model, the idler wheel is between upper and lower two convex blocks, and the groove is in left and right
Between two convex blocks.
As shown from the above technical solution, the utility model has at least one of following advantages and good effect：
The utility model erection device is mounted with magnesium alloy anode and centralizer, magnesium alloy anode so that prolong simultaneously
Slow corrosive liquid corrodes centerbody, extends oil pick-up tube service life；Supporting positive cover in centralizer and convex block, upper lower protruding block it
Between idler wheel is set, idler wheel passes through shaft and is rotatablely connected sliding block, sliding block connecting spring so that when sucker rod rotates, will not occur partially
Phenomenon is ground, sucker rod is preferably protected.By being equipped with groove between the convex block of left and right, liquid is facilitated to be discharged.The utility model is logical
It is to be threadedly coupled that centralizer, which is crossed, with centerbody, is convenient for changing centralizer, while the effect for passing through limited block so that centralizer works
When be not susceptible to move.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, for ordinary skill people
For member, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structure sectional view of one embodiment of anti-corrosion eccentric abrasion prevention spiral centering device described in the utility model；
Fig. 2 is supporting positive cover vertical view described in the utility model；
Fig. 3 is right view at the utility model A.
The reference numerals are as follows：
1- center-poles；
2- magnesium alloy anodes；
3- supporting positive covers；
4- idler wheels；
5- sliding blocks；
6- limited blocks；
7- springs；
8- shafts；
9- grooves；
10- convex blocks.
Specific implementation mode
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term
The orientation or state relation of the instructions such as "inner", "upper", "lower" are orientation based on ... shown in the drawings or state relation, merely to just
In description the utility model and simplify description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, it can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It should be noted that term " first " in the specification and claims of the utility model and above-mentioned attached drawing,
" second " etc. is for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that in this way
The data used can be interchanged in the appropriate case, so as to the embodiments of the present invention described herein.
Below in conjunction with the accompanying drawings and specific implementation mode is described in further detail the utility model.
Referring to Fig. 1-3, Fig. 1 is a kind of knot of one embodiment of anti-corrosion eccentric abrasion prevention spiral centering device described in the utility model
Structure sectional view, Fig. 2 are supporting positive cover vertical view described in the utility model, and Fig. 3 is right view at the utility model A.
A kind of anti-corrosion eccentric abrasion prevention spiral centering device described in the utility model, including centerbody 1, sliding slot, sliding block 5, magnalium
Alloy anode 2, idler wheel 4 and spring 7,1 bottom of centerbody are fixedly connected with magnesium alloy anode 2,2 top of magnesium alloy anode is set
It includes supporting positive cover 3 and convex block 10 to have centralizer, centralizer, and supporting positive cover 3 is connect with centerbody 1, and sliding slot is offered in convex block 10, convex
Groove 9 is equipped between block 10, the outermost radius of magnesium alloy anode 2 is smaller than the outermost radius of convex block 10, is slidably connected in sliding slot
There is sliding block 5, the shape of sliding block 5 is square, and spring 7,7 other end of spring and sliding slot inner wall are fixedly connected on 5 side wall of sliding block
It is fixedly connected, idler wheel 4 is equipped between convex block 10,4 both sides flat key of idler wheel is connected with shaft 8, and shaft 8 is rotatablely connected with sliding block 5, helps
3 top of positive set is equipped with limited block 6, and limited block 6 is threadedly coupled with center-pole 1.
In the present embodiment, the centerbody 1 has been connected through a screw thread supporting positive cover 3, and 10 shape of convex block is arc, and every
The number of layer convex block 10 is 4, and convex block 10 has three layers, and supporting positive cover 3 is equipped with two groups of idler wheels 4, and idler wheel 4 is in upper and lower two convex blocks 10
Between, groove 9 is between two convex blocks 10 in left and right.
One of the present embodiment has particular application as：By by magnesium alloy anode 2 by welding or being connected to sucker rod
Centralizer is connect with sucker rod by screw thread, is connected limited block by screw thread by outer.When sucker rod rotates, magnalium closes
2 metal activity of gold anode is very high, reacts with the corrosive medium in oil well, plays the mesh of anode loss protection sucker rod
's.Idler wheel 2 between upper lower protruding block 10 rotates, and reduces erection device and external wall friction power, and restoring force effect by spring 7 pushes
5 movement of sliding so that 2 slow-roll stabilization of idler wheel prevents sucker rod from friction phenomenon occurs.
In conclusion a kind of anti-corrosion eccentric abrasion prevention spiral centering device described in the utility model is mounted with magnesium alloy sun simultaneously
Pole and centralizer, magnesium alloy anode so that delay corrosive liquid to corrode centerbody, extend oil pick-up tube service life；It helps
Idler wheel is arranged between upper lower protruding block in supporting positive cover and convex block in positive device, and idler wheel passes through shaft and is rotatablely connected sliding block, and sliding block connects bullet
Spring so that when sucker rod rotates, friction phenomenon will not occur, preferably protect sucker rod.By being equipped between the convex block of left and right
Groove facilitates liquid to be discharged.The utility model is to be threadedly coupled with centerbody by centralizer, is convenient for changing centralizer, simultaneously
Pass through the effect of limited block so that centralizer is not susceptible to move when working.
It should be appreciated that the utility model is not limited in its application to the detailed construction and arrangement of component proposed in this paper
Mode.The utility model can have other embodiment, and can realize and execute in many ways.Aforesaid deformation form
It is fallen in the scope of the utility model with modification.It should be appreciated that the utility model disclosed and defined herein extends
It is mentioned to text and/or drawings or all alternative combinations of two or more apparent independent features.It is described herein
Embodiment illustrate to become known for realize the best mode of the utility model, and those skilled in the art will be enable to utilize
The utility model.
Claims (5)
1. a kind of anti-corrosion eccentric abrasion prevention spiral centering device, including centerbody, sliding slot, sliding block, magnesium alloy anode, idler wheel and bullet
Spring, which is characterized in that
Wherein, the centerbody bottom is fixedly connected with magnesium alloy anode, and centralizer, institute are equipped with above the magnesium alloy anode
It includes supporting positive cover and convex block to state centralizer, and the supporting positive cover is connect with centerbody, and sliding slot, the convex block are offered in the convex block
Between be equipped with groove, the outermost radius of the magnesium alloy anode is smaller than the outermost radius of convex block, is slidably connected in the sliding slot
There is sliding block, the shape of the sliding block is square, and spring, the spring other end and cunning are fixedly connected on the slider side wall
Slot inner wall is fixedly connected, and idler wheel is equipped between the convex block, and idler wheel both sides flat key is connected with shaft, the shaft and sliding block
Rotation connection, the supporting positive cover top are equipped with limited block, and the limited block is threadedly coupled with center-pole；The convex block has three layers.
2. a kind of anti-corrosion eccentric abrasion prevention spiral centering device according to claim 1, which is characterized in that the centerbody passes through
It is threaded with supporting positive cover.
3. a kind of anti-corrosion eccentric abrasion prevention spiral centering device according to claim 1, which is characterized in that the convex block shape is
Arc, and the number of every layer of convex block is 4.
4. a kind of anti-corrosion eccentric abrasion prevention spiral centering device according to claim 1, which is characterized in that set on the supporting positive cover
There are two groups of idler wheels.
5. a kind of anti-corrosion eccentric abrasion prevention spiral centering device according to claim 1, which is characterized in that the idler wheel is upper and lower
Between two convex blocks, the groove is between two convex blocks in left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912799.7U CN207879277U (en) | 2017-12-30 | 2017-12-30 | A kind of anti-corrosion eccentric abrasion prevention spiral centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912799.7U CN207879277U (en) | 2017-12-30 | 2017-12-30 | A kind of anti-corrosion eccentric abrasion prevention spiral centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879277U true CN207879277U (en) | 2018-09-18 |
Family
ID=63503462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721912799.7U Active CN207879277U (en) | 2017-12-30 | 2017-12-30 | A kind of anti-corrosion eccentric abrasion prevention spiral centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207879277U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138864A (en) * | 2018-10-19 | 2019-01-04 | 陈永志 | A kind of Anti-grinding centering guide of sucker rod |
| CN110966015A (en) * | 2019-12-20 | 2020-04-07 | 中国建筑第四工程局有限公司 | Drilling device for ground deep hole blasting |
| CN111021991A (en) * | 2019-12-30 | 2020-04-17 | 长江大学 | Online cleaning device for oil pumping pipe of vertical well |
-
2017
- 2017-12-30 CN CN201721912799.7U patent/CN207879277U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138864A (en) * | 2018-10-19 | 2019-01-04 | 陈永志 | A kind of Anti-grinding centering guide of sucker rod |
| CN110966015A (en) * | 2019-12-20 | 2020-04-07 | 中国建筑第四工程局有限公司 | Drilling device for ground deep hole blasting |
| CN111021991A (en) * | 2019-12-30 | 2020-04-17 | 长江大学 | Online cleaning device for oil pumping pipe of vertical well |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207879277U (en) | A kind of anti-corrosion eccentric abrasion prevention spiral centering device | |
| CN205840809U (en) | A kind of New Kind of Anti-Abrasion type stile | |
| CN209067126U (en) | Anticorrosion centralizer for sucker rod | |
| CN109098672A (en) | A kind of oil pumping rod centering device of heat resistant and wear resistant damage | |
| CN105298394B (en) | A kind of cone bit bearing W type sealing structures | |
| CN103410436B (en) | Blowout prevention anti-return water hole bottom motor transmission shaft assembly | |
| CN104847265A (en) | Cylindroid telescopic reducing drilling tool | |
| CN101864917A (en) | Random and automatic regulating polished rod sealing device of oil pumping machine | |
| CN206376760U (en) | Large-runner self-rotating sucker rod centralizer | |
| CN216811603U (en) | Roller centralizer | |
| CN101126209A (en) | Producing technique of steel cable for pumping rod | |
| CN209195286U (en) | A kind of oil pumping rod centering device of heat resistant and wear resistant damage | |
| CN209195348U (en) | A kind of drag fracturing packer | |
| CN201794536U (en) | Wash pipe assembly of top drive drilling equipment | |
| CN201874486U (en) | Anti-wearing device for sucker rod | |
| CN202144786U (en) | Long-service oil pumping pump valve | |
| CN105604487A (en) | O-shaped rubber ring-inlaid X-shaped composite sealing structure of roller cone bit | |
| CN207363631U (en) | A kind of coiled tubing vane type hydroscillator | |
| CN207245635U (en) | A kind of anticorrosive abrasion-proof sucker rod centralizer with supporting positive cover | |
| CN207573143U (en) | A kind of discharge structure of mineral explosion-proof motor | |
| CN107313733A (en) | A kind of coiled tubing vane type hydroscillator | |
| CN208816057U (en) | A kind of improvement centralizer | |
| RU60080U1 (en) | PROTECTOR FOR PROTECTING A PIPE OF COMPRESSOR PIPES FROM CORROSION IN WELLS | |
| CN204571871U (en) | One is spherical falls the drag reduction stabilizer that rubs | |
| CN202745732U (en) | Low friction resistance sucker rod centralizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |