CN209195286U - A kind of oil pumping rod centering device of heat resistant and wear resistant damage - Google Patents
A kind of oil pumping rod centering device of heat resistant and wear resistant damage Download PDFInfo
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- CN209195286U CN209195286U CN201821637994.8U CN201821637994U CN209195286U CN 209195286 U CN209195286 U CN 209195286U CN 201821637994 U CN201821637994 U CN 201821637994U CN 209195286 U CN209195286 U CN 209195286U
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- main body
- centralizer
- sucker rod
- centralizer main
- oil pumping
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Abstract
The utility model discloses a kind of oil pumping rod centering devices of heat resistant and wear resistant damage, including sucker rod main body and centralizer main body, the annular structure in sucker rod channel is configured with centered on the centralizer main body, the centralizer main body peripheral configurations are parallel to the notch in centralizer main body axle center, the both ends of the centralizer main body are provided with bearing, and centralizer main body between end mounted bearing and sucker rod main body by being coupled, the outer rim of the centralizer main body is provided with the movable ball of multiple groups, when the sucker rod main body is set to inside oil pipe, the ball of centralizer main body outer rim setting abuts friction with tube inner wall, the sucker rod main body is configured with construction screw thread in the two sides for the position for being equipped with centralizer main body, the construction screw thread is coupled with locating part.The oil pumping rod centering device of heat resistant and wear resistant damage, it is structurally reasonable, there is preferable corrosion resistance and heat-resisting quantity, and install and stablize, practical value with higher.
Description
Technical field
The utility model belongs to sucker rod stabilizer technical field in the production of oil field, and in particular to a kind of heat resistant and wear resistant
The oil pumping rod centering device of damage.
Background technique
Oil pumping rod centering device is a kind of tool being commonly used in the production of oil field, it is curved for wellbores such as inclined shaft, horizontal wells
In the well of bent (inclination), rod string righting is occupy on the axis of wellbore, R a T (casing) can be prevented rigid
Property friction, protect oil pipe and sucker rod, extend manufacture cycle.
The use of oil pumping rod centering device is very extensive, can be used in paraffin-troubled well and use as paraffin scraper, can also be used in
High corrosion well prevents the damage for accelerating R a T that rubs and corrode.
In existing rod recovering system, sucker rod is to transmit ground to pump mechanomotive force to the tool of downhole pump, it works
Time is long, frequency is high, is influenced by alternating load, is full of that corrosive media, medium temperature is very high sometimes sometimes, common at this time
Centralizer influences sucker rod working efficiency, sternly because the problems such as its material and mounting characteristics is easily damaged and falls off from sucker rod
Even blocking oil pipe causes oil pipe to be scrapped when weight.
Utility model content
The purpose of this utility model is to provide a kind of oil pumping rod centering devices of heat resistant and wear resistant damage, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of sucker rod of heat resistant and wear resistant damage is helped
Positive device, including sucker rod main body and centralizer main body are configured with the annular shape in sucker rod channel centered on the centralizer main body
Structure, the centralizer main body peripheral configurations are parallel to the notch in centralizer main body axle center；
The both ends of the centralizer main body are provided with bearing, and centralizer main body passes through end mounted bearing and sucker rod
It is coupled between main body；
The outer rim of the centralizer main body is provided with the movable ball of multiple groups, and the sucker rod main body is set to inside oil pipe
When, the ball of centralizer main body outer rim setting abuts friction with tube inner wall；
The sucker rod main body is configured with construction screw thread, the construction spiral shell in the two sides for the position for being equipped with centralizer main body
Line is coupled with locating part, the clamping limit centralizer main body of locating part described in two groups.
Preferably, the both ends of the centralizer main body offer the bearing mounting groove for bearing clamping engagement installation, described
Bearing mounting groove diameter is greater than the diameter in sucker rod channel.
Preferably, the outer rim of the centralizer main body is in and offers by center of circle circular array of the axle center of centralizer main body
Multiple groups ball embedding groove is inlayed in ball embedding groove described in multiple groups and is equipped with ball.
Preferably, the locating part includes concentric and Construction integration abutment portion and the part that is screwed on, the abutting part
The diameter divided is less than the diameter for the part that is screwed on, and the center of the locating part offers the mounting hole with the cooperation of sucker rod main body, and
The matching thread of engagement formation screw thread is configured in hole.
Preferably, the bead at centralizer main body both ends is configured with the first buffering chamfering.
Preferably, the bead at the part both ends that are screwed on of the locating part is configured with the second buffering chamfering.
The technical effect and advantage of the utility model: the oil pumping rod centering device of heat resistant and wear resistant damage, centralizer main body are whole
Body uses corrosion resistant chromium plating steel material, has preferable corrosion resistance and heat-resisting quantity, and locating part is cooperated to be installed on oil pumping
In bar main body, common centralizer is efficiently solved because the problems such as its material and mounting characteristics is easily damaged and takes off from sucker rod
It falls, influences sucker rod working efficiency, the problem of oil pipe causes oil pipe to be scrapped, and centralizer main body and oil pumping are even blocked when serious
It is connected between bar main body by bearing, so that centralizer main body can opposite sucker rod main body rotation when sucker rod main body declines in oil pipe
Turn, the ball being arranged outside cooperation centralizer main body effectively reduces the friction between sucker rod main body and oil pipe, ball is relative to pulley
Have the advantages that direction-agile, the first buffering chamfering of centralizer main body both ends construction and the part both ends construction that is screwed on of locating part
Second buffering chamfering effectively prevent centralizer main body stuck when detour in oil pipe, the heat resistant and wear resistant damage sucker rod stabilizing
Device, it is structurally reasonable, there is preferable corrosion resistance and heat-resisting quantity, and install and stablize, practical value with higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the sucker rod agent structure schematic diagram of the utility model；
Fig. 3 is the centralizer agent structure schematic diagram of the utility model；
Fig. 4 is the centralizer main body cross-sectional view of the utility model；
Fig. 5 is the locating part structural schematic diagram of the utility model.
In figure: 1 sucker rod main body, 101 construction screw threads, 2 centralizer main bodys, 201 sucker rod channels, 3 locating parts, 301 are matched
Close screw thread, 4 bearings, 401 bearing mounting grooves, 5 balls, 501 ball embedding grooves, 6 notches, 7 abutment portions, 8 be screwed on part, 801
Second buffering chamfering, 9 first buffering chamferings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of oil pumping rod centering device of heat resistant and wear resistant damage as shown in Figs. 1-5, including oil pumping
Bar main body 1 and centralizer main body 2 are configured with the annular structure in sucker rod channel 201, institute centered on the centralizer main body 2
State the notch 6 that 2 peripheral configurations of centralizer main body are parallel to 2 axle center of centralizer main body, construction the tearing open convenient for bearing 4 of notch 6
Unload installation；
The both ends of the centralizer main body 2 are provided with bearing 4, and centralizer main body 2 by end mounted bearing 4 and is taken out
It is coupled between beam hanger main body 1, so that centralizer main body 2 can opposite sucker rod main body 1 when sucker rod main body 1 declines in oil pipe
Rotation；
The outer rim of the centralizer main body 2 is provided with the movable ball 5 of multiple groups, and the sucker rod main body 1 is set to oil pipe
When internal, the ball 5 of 2 outer rim of centralizer main body setting abuts friction, the rolling friction mode frictional force of ball 5 with tube inner wall
It is small, and oil pipe inner fluid has certain lubricating action, effective protection sucker rod main body 1；
The sucker rod main body 1 is configured with construction screw thread 101 in the two sides for the position for being equipped with centralizer main body 2, described
Construction screw thread 101 is coupled with locating part 3, the clamping limit centralizer main body 2 of locating part 3 described in two groups.
Specifically, the both ends of the centralizer main body 2 offer the bearing mounting groove 401 for the clamping engagement installation of bearing 4,
401 diameter of bearing mounting groove is greater than the diameter in sucker rod channel 201.
Specifically, the outer rim of the centralizer main body 2 is in open up by center of circle circular array of the axle center of centralizer main body 2
There is multiple groups ball embedding groove 501, inlayed in ball embedding groove 501 described in multiple groups and ball 5 is installed, ball 5 can effectively reduce
Friction between sucker rod main body 1 and oil pipe, and ball 5 has direction-agile relative to the pulley on common pulley type centralizer
Advantage.
Specifically, the locating part 3 includes concentric and Construction integration abutment portion 7 and the part 8 that is screwed on, the abutting
The diameter of part 7 is less than the diameter for the part 8 that is screwed on, and the center of the locating part 3 offers the installation cooperated with sucker rod main body 1
Hole, and the matching thread 301 of engagement formation screw thread 101 is configured in hole, so that the locating part 3 being fixed in sucker rod main body 1
Centralizer main body 2 can be limited.
Specifically, the bead at 2 both ends of centralizer main body is configured with the first buffering chamfering 9, the rotation of the locating part 3
The bead at 8 both ends of socket part point is configured with the second buffering chamfering 801, while the construction of chamfering reduces oily phase resistance, moreover it is possible to have
Effect prevents centralizer main body 2 stuck when detour in oil pipe.
Specifically, the oil pumping rod centering device of heat resistant and wear resistant damage, centralizer main body 2 need to pacify in advance when installing and using
One group of locating part 3 is filled, so that the construction screw thread 101 constructed on the matching thread 301 and sucker rod main body 1 that construct in locating part 3
Cooperation, when locating part 3 abutment portion 7 towards the direction that will install centralizer main body 2, then installing centralizer main body 2 makes
Sucker rod main body 1 is worn with two groups of bearings 4 being arranged in centralizer main body 2, and make the abutting of bearing 4 Yu locating part 3
Part 7 mutually abuts, and then installs second group of locating part 3 again, so that the abutment portion 7 of locating part 3 is towards centralizer main body 2,
Two groups of clamping limit centralizer main bodys 2 of locating part 3, ensure the stability that centralizer main body 2 is installed, efficiently solve common help
Positive device influences sucker rod working efficiency, seriously because the problems such as its material and mounting characteristics is easily damaged and falls off from sucker rod
When even blocking oil pipe the problem of causing oil pipe to be scrapped, centralizer main body 2 is whole to use corrosion resistant chromium plating steel material, have compared with
Good corrosion resistance and heat-resisting quantity, and connected between centralizer main body 2 and sucker rod main body 1 by bearing 4, so that sucker rod main body
1 centralizer main body 2 when declining in oil pipe can rotate relative to sucker rod main body 1, the ball 5 of cooperation centralizer main body 2 setting outside,
The friction between sucker rod main body 1 and oil pipe is effectively reduced, ball 5 has the advantages that direction-agile, centralizer master relative to pulley
Second buffering chamfering 801 of 8 both ends of the part construction that is screwed on of the first buffering chamfering 9 and locating part 3 of 2 both ends of body construction is effectively anti-
Only centralizer main body 2 is stuck when detour in oil pipe, the heat resistant and wear resistant damage oil pumping rod centering device, it is structurally reasonable, have compared with
Good corrosion resistance and heat-resisting quantity, and install and stablize, practical value with higher.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of oil pumping rod centering device of heat resistant and wear resistant damage, including sucker rod main body (1) and centralizer main body (2), feature
It is: is configured with the annular structure of sucker rod channel (201), the centralizer main body centered on the centralizer main body (2)
(2) peripheral configurations are parallel to the notch (6) in centralizer main body (2) axle center；
The both ends of the centralizer main body (2) are provided with bearing (4), and centralizer main body (2) passes through end mounted bearing (4)
It is coupled between sucker rod main body (1)；
The outer rim of the centralizer main body (2) is provided with the movable ball of multiple groups (5), and the sucker rod main body (1) is set to oil
When inside pipe, the ball (5) of centralizer main body (2) outer rim setting abuts friction with tube inner wall；
The sucker rod main body (1) is configured with construction screw thread (101), institute in the two sides for the position for being equipped with centralizer main body (2)
It states construction screw thread (101) to be coupled with locating part (3), locating part described in two groups (3) clamping limit centralizer main body (2).
2. a kind of oil pumping rod centering device of heat resistant and wear resistant damage according to claim 1, it is characterised in that: the centralizer
The both ends of main body (2) offer the bearing mounting groove (401) for bearing (4) clamping engagement installation, the bearing mounting groove (401)
Diameter is greater than the diameter of sucker rod channel (201).
3. a kind of oil pumping rod centering device of heat resistant and wear resistant damage according to claim 1, it is characterised in that: the centralizer
The outer rim of main body (2) is in offer multiple groups ball embedding groove by center of circle circular array of the axle center of centralizer main body (2)
(501), it is inlayed in ball embedding groove (501) described in multiple groups and ball (5) is installed.
4. a kind of oil pumping rod centering device of heat resistant and wear resistant damage according to claim 1, it is characterised in that: the locating part
It (3) include concentric and Construction integration abutment portion (7) and the part (8) that is screwed on, the diameter of the abutment portion (7) is less than rotation
The diameter of socket part point (8), the center of the locating part (3) offer the mounting hole with sucker rod main body (1) cooperation, and structure in hole
Make the matching thread (301) of engagement formation screw thread (101).
5. a kind of oil pumping rod centering device of heat resistant and wear resistant damage according to claim 3, it is characterised in that: the centralizer
The bead at main body (2) both ends is configured with the first buffering chamfering (9).
6. a kind of oil pumping rod centering device of heat resistant and wear resistant damage according to claim 4, it is characterised in that: the locating part
(3) bead at part (8) both ends that are screwed on is configured with the second buffering chamfering (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821637994.8U CN209195286U (en) | 2018-09-30 | 2018-09-30 | A kind of oil pumping rod centering device of heat resistant and wear resistant damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821637994.8U CN209195286U (en) | 2018-09-30 | 2018-09-30 | A kind of oil pumping rod centering device of heat resistant and wear resistant damage |
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| Publication Number | Publication Date |
|---|---|
| CN209195286U true CN209195286U (en) | 2019-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821637994.8U Active CN209195286U (en) | 2018-09-30 | 2018-09-30 | A kind of oil pumping rod centering device of heat resistant and wear resistant damage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098672A (en) * | 2018-09-30 | 2018-12-28 | 大庆丹枫石油技术开发有限公司 | A kind of oil pumping rod centering device of heat resistant and wear resistant damage |
-
2018
- 2018-09-30 CN CN201821637994.8U patent/CN209195286U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098672A (en) * | 2018-09-30 | 2018-12-28 | 大庆丹枫石油技术开发有限公司 | A kind of oil pumping rod centering device of heat resistant and wear resistant damage |
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