CN202531048U - Polished rod centralizer for pumping well - Google Patents
Polished rod centralizer for pumping well Download PDFInfo
- Publication number
- CN202531048U CN202531048U CN2012200264843U CN201220026484U CN202531048U CN 202531048 U CN202531048 U CN 202531048U CN 2012200264843 U CN2012200264843 U CN 2012200264843U CN 201220026484 U CN201220026484 U CN 201220026484U CN 202531048 U CN202531048 U CN 202531048U
- Authority
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- China
- Prior art keywords
- centralizer
- hook
- rod
- welded
- adjusting screw
- 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.)
- Expired - Fee Related
Links
- 238000005086 pumping Methods 0.000 title abstract 3
- 238000012856 packing Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A polished rod centralizer of a pumping unit well is applied to the centering of the polished rod of the pumping unit well at the oil extraction well head of an oil field. A handle is welded at one end of the adjusting screw rod, and the other end of the adjusting screw rod is inserted into a circular hole in the center of the support; a nut is arranged on the adjusting screw rod; the outer wall of the nut is welded with a centralizer support; a lower centralizer hook is welded at the end part of the middle cross rod, and an upper centralizer hook is welded at the end part of the upper cross rod; the upper centralizer hook and the lower centralizer hook are in a semi-circular arc shape, the directions of the upper centralizer hook and the lower centralizer hook are opposite, and the central lines of the upper centralizer hook and the lower centralizer hook are on the same straight line. The effect is as follows: the nut moves by rotating the adjusting screw rod, so that the relative displacement between the wellhead and the polish rod is realized. Therefore, the packing can be easily replaced, the operation by one person can be realized, the safe production can be realized, and the polished rod can not be damaged.
Description
Technical field
The utility model relates to oil recovery technique field, oil field, and oil recovery, gas recovery well wellhead equipment that particularly oil pumper is produced in the oil exploitation are a kind of rod-pumped well polished rod centralizers.
Background technology
In oil field oil recovery manufacturing process, oil pumper drives polished rod and pumps.Receive various condition influence to cause well head and polished rod to misalign; Particularly in changing the sealed packing operation, it is blue with leather to have laid down the packing pressure cap, and polished rod and well head can produce certain deflection distance; Cause packing to be extruded and be difficult to take out, when the deflection distance is excessive, can't add packing.In changing the actual job of sealed packing, polished rod and well head misalign, and instruments corrections such as crowbar or pipe wrench are generally used in the operation that adds sealed packing, not only waste time and energy, and skid easily and hurt sb.'s feelings.
The utility model content
The purpose of the utility model is: a kind of rod-pumped well polished rod centralizer is provided, can realizes polished rod and well head relativity shift, make polished rod be in the center of packing box, be convenient to change the sealed packing operation.
The technical scheme that the utility model adopts is: rod-pumped well polished rod centralizer; Comprise bearing, nut, adjusting screw(rod), centralizer support, go up centralizer hook and following centralizer hook; It is characterized in that: bearing is a semicircular arc; Protruding cylinder table is arranged on the outer wall of bearing, and there is circular hole at the center of cylinder table; The inner surface of semicircular arc bearing cooperates with the packing box external surface, and the semicircular arc bearing can be buckled on the outer wall of packing box.One end of adjusting screw(rod) is welded with handle, and the center that the other end of adjusting screw(rod) inserts bearing has in the circular hole; A nut is arranged on adjusting screw(rod); On the outer wall of nut, be welded with the centralizer support; The centralizer support is made up of a straight-bar and two cross bars; The lower end of straight-bar is vertically welded on the nut, is welded with a cross bar respectively in the middle part and the upper end of straight-bar, and two cross bars are in same plane and be parallel to each other; Crossbar end is welded with a following centralizer hook at the middle part, is welded with centralizer hook in the upper cross bar end; Last centralizer hook and following centralizer hook are semicircular arc, last centralizer hook and the in the opposite direction of following centralizer hook and upward centralizer link up with and following centralizer is linked up with center line on same straight line; Polished rod can pass from the inboard of last centralizer hook and following centralizer hook simultaneously.
The described centralizer hook of going up is identical with the external diameter of polished rod with the inner arc surface radius of following centralizer hook.
The use of summary rod-pumped well polished rod centralizer can help to understand the utility model.Consult Fig. 1.Adjusting screw(rod) 3 is screwed in the nut 2, and last centralizer hook 5 is hung on polished rod 7 outer walls with following centralizer hook 6.Bearing 1 is withstood on the outer wall of packing box 8; The center that one end of adjusting screw(rod) 3 inserts bearing 1 has in the circular hole.Bearing 1 is placed on polished rod 7 and the bigger side of packing box 8 center deflections.Rotation adjusting screw rod 3 is moved polished rod 7, realizes polished rod 7 and packing box 8 center.
The beneficial effect of the utility model: the utility model rod-pumped well polished rod centralizer, through the rotation adjusting screw rod, nut is moved, realize well head and polished rod relative displacement.Thereby change packing at an easy rate, can realize the one man operation, and can reach safety in production, can not injure polished rod.Make simple, easy to use.
Description of drawings
Fig. 1 is that the utility model rod-pumped well polished rod centralizer is fixed on the structural profile sketch map on the well head.
Among the figure, 1-bearing, 2-nut, 3-adjusting screw(rod), 4-centralizer support, the last centralizer hook of 5-, centralizer hook under the 6-, 7-polished rod, 8-packing box.
The specific embodiment
Embodiment 1: with a rod-pumped well polished rod centralizer is example, and the utility model is done further explain.
Consult Fig. 1.The utility model rod-pumped well polished rod centralizer comprises bearing 1, nut 2, adjusting screw(rod) 3, centralizer support 4, goes up centralizer hook 5 and following centralizer hook 6.Bearing 1 is a semicircular arc, and the inner arc surface radius of bearing 1 is identical with the external diameter of packing box 8.Protruding cylinder table is arranged on the outer wall of bearing 1, and there is a circular hole at the center of cylinder table; One end of adjusting screw(rod) 3 is welded with an afterburning thick stick handle, and the center that the other end of adjusting screw(rod) 3 inserts bearing 1 has in the circular hole.The nut 2 that a M20 is arranged on adjusting screw(rod) 3; On the outer wall of nut 2, be welded with centralizer support 4.Centralizer support 4 is made up of a straight-bar and two cross bars; The lower end of straight-bar is vertically welded on the nut 2; Middle part and upper end at straight-bar are welded with a cross bar respectively, and two cross bars are in same plane and be parallel to each other, and the distance between two cross bars is 600mm.Crossbar end is welded with a following centralizer hook 6 at the middle part, is welded with centralizer hook 5 in the upper cross bar end.Last centralizer hook 5 be a semicircular arc with following centralizer hook 6, last centralizer hook 5 and following centralizer link up with 6 in the opposite direction and upward centralizer link up with 5 and following centralizer link up with 6 center lines on same straight line.
The described inner arc surface radius of going up centralizer hook 5 and following centralizer hook 6 is 32mm.
Claims (2)
1. rod-pumped well polished rod centralizer; Comprise bearing (1), nut (2), adjusting screw(rod) (3), centralizer support (4), go up centralizer hook (5) and following centralizer hook (6); It is characterized in that: bearing (1) is a semicircular arc; Protruding cylinder table is arranged on the outer wall of bearing (1), and there is circular hole at the center of cylinder table; One end of adjusting screw(rod) (3) is welded with handle, and the center that the other end of adjusting screw(rod) (3) inserts bearing (1) has in the circular hole; A nut (2) is arranged on adjusting screw(rod) (3); On the outer wall of nut (2), be welded with centralizer support (4); Centralizer support (4) is made up of a straight-bar and two cross bars; The lower end of straight-bar is vertically welded on the nut (2), is welded with a cross bar respectively in the middle part and the upper end of straight-bar, and two cross bars are in same plane and be parallel to each other; Crossbar end is welded with a following centralizer hook (6) at the middle part, is welded with centralizer hook (5) in the upper cross bar end; Last centralizer hook (5) be a semicircular arc with following centralizer hook (6), last centralizer hook (5) and following centralizer link up with the in the opposite direction of (6) and upward centralizer link up with (5) and following centralizer is linked up with (6) center line on same straight line.
2. rod-pumped well polished rod centralizer according to claim 1 is characterized in that: described upward centralizer hook (5) is identical with the external diameter of polished rod with the inner arc surface radius that following centralizer is linked up with (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200264843U CN202531048U (en) | 2012-01-19 | 2012-01-19 | Polished rod centralizer for pumping well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200264843U CN202531048U (en) | 2012-01-19 | 2012-01-19 | Polished rod centralizer for pumping well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531048U true CN202531048U (en) | 2012-11-14 |
Family
ID=47132238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200264843U Expired - Fee Related CN202531048U (en) | 2012-01-19 | 2012-01-19 | Polished rod centralizer for pumping well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980607A (en) * | 2020-08-28 | 2020-11-24 | 广西桂冠电力股份有限公司大化水力发电总厂 | Method for removing water pipe of deep well pump |
-
2012
- 2012-01-19 CN CN2012200264843U patent/CN202531048U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980607A (en) * | 2020-08-28 | 2020-11-24 | 广西桂冠电力股份有限公司大化水力发电总厂 | Method for removing water pipe of deep well pump |
| CN111980607B (en) * | 2020-08-28 | 2023-03-10 | 广西桂冠电力股份有限公司大化水力发电总厂 | Method for removing water pipe of deep well pump |
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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: 20121114 Termination date: 20210119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |