CN208280920U - A kind of height-adjustable oil pumping rod centering device - Google Patents
A kind of height-adjustable oil pumping rod centering device Download PDFInfo
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- CN208280920U CN208280920U CN201820918924.3U CN201820918924U CN208280920U CN 208280920 U CN208280920 U CN 208280920U CN 201820918924 U CN201820918924 U CN 201820918924U CN 208280920 U CN208280920 U CN 208280920U
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Abstract
The utility model relates to technical field of oil extraction equipment, and disclose a kind of height-adjustable oil pumping rod centering device, including fixture block, the side of fixture block and a side contacts of oil pumping rod outer surface, the other side of fixture block is fixedly connected with the side for adjusting sleeve, the side for adjusting barrel bore is fixedly connected with one end of adjustment spring, the other end of adjustment spring is fixedly connected with the side for adjusting the adjusting connecting plate of barrel bore is located at, and the other end for adjusting connecting rod runs through and extends to the other side for adjusting cartridge exterior and connect with the internal whorl of ball-type deck.The height-adjustable oil pumping rod centering device, pass through the setting of fixture block, adjusting sleeve and ball-type deck, existing integral structure is split to come, it avoids existing integral structure rolling wheel centralizer and needs integral replacing in part damage, the problem of so as to cause the wasting of resources, reduces the maintenance cost of the height-adjustable oil pumping rod centering device equipment.
Description
Technical field
The utility model relates to technical field of oil extraction equipment, specially a kind of height-adjustable oil pumping rod centering device.
Background technique
Oil pumping rod centering device is a kind of tool of anti-pumpingh well eccentric wear underground, can be living up and down in oil pipe to avoid sucker rod
Due to the flexible deformation of sucker rod when dynamic, so that R a T wall generates relative friction, so that sucker rod is easy hair
Raw de- problem of breaking, can be divided into roller type, column formula and clamping hoop type by shape.
In existing technology, roller type sucker rod centralizer is all to be connected by the way of being threadedly coupled with sucker rod
It connects, its position can not be adjusted according to specific circumstances in the actual production process, and need while tearing open in installation and maintenance
Sucker rod is unloaded, complex for operation step, working efficiency is low, while existing integral structure rolling wheel centralizer is sent out in part
It can not individually be replaced when raw damage, cause the waste of resource, improve the maintenance cost of equipment.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of height-adjustable oil pumping rod centering device, has
It quickly adjusts that mounting height, demolition and maintenance are convenient, high-efficient, advantages such as maintenance cost is low of replacement, solves in existing skill
In art, roller type sucker rod centralizer is all to be connected by the way of being threadedly coupled with sucker rod, in the process of actual production
In can not adjust its position according to specific circumstances, and in installation and maintenance need and meanwhile dismantle sucker rod, operating procedure is numerous
Trivial, working efficiency is low, at the same existing integral structure rolling wheel centralizer when part is damaged can not individually into
Row replacement, the problem of causing the waste of resource, improve cost of equipment maintenance.
(2) technical solution
For the high-efficient mesh low with maintenance cost realizing that above-mentioned quick adjusting mounting height, demolition and maintenance are convenient, replacing
, the utility model provides the following technical solutions: a kind of height-adjustable oil pumping rod centering device, including fixture block, the fixture block
Side and oil pumping rod outer surface a side contacts, the other side of the fixture block is fixedly connected with the side of adjusting sleeve, described
Adjust barrel bore side be fixedly connected with one end of adjustment spring, the other end of the adjustment spring be located at adjust sleeve
The side of the adjusting connecting plate of inner cavity is fixedly connected, and the other side for adjusting connecting plate is fixedly connected with the one end for adjusting connecting rod, institute
The other end for stating adjusting connecting rod runs through and extends to the other side for adjusting cartridge exterior and connect with the internal whorl of ball-type deck,
The outer surface for adjusting connecting rod and the internal activity for adjusting sleeve are socketed, the inside of the ball-type deck and the outer surface of ball
Clamping, the middle part on the fixture block top are fixedly connected with the bottom end of snap-gauge I, the inside and tie down screw outer surface of the snap-gauge I
A side contacts, the internal activity of the side of I outer surface of snap-gauge and right snap-gauge is socketed, the side of the right snap-gauge and snap-gauge
I side contacts, and right snap-gauge is located at the right side of snap-gauge I, the other side of the right snap-gauge and the end thereof contacts of locking spring I,
The other end of the locking spring I and a side contacts of locking nut, and the outer surface of the inside of locking spring I and tie down screw
The threaded one end of pivot bush unit, the inside of the locking nut and tie down screw connects, the tie down screw outer surface it is another
The interior contact of side and snap-gauge II, and be fixedly connected in the middle part of the bottom end of snap-gauge II and another fixture block top, the locking screw
The internal activity of the other side of rod outer surface and left snap-gauge is socketed, the side of the snap-gauge II and a side contacts of left snap-gauge, and
Left snap-gauge is located at the left side of snap-gauge II, the other side of the left snap-gauge and the end thereof contacts of locking spring II, the locking spring
One side contacts of II other end and the block that is locked, and the other side of the inside of locking spring II and tie down screw outer surface is living
Dynamic socket, the side of the block that is locked is fixedly connected with one end of tie down screw.
Preferably, the side of the fixture block is equipped with radian, and the size of radian is 2.1rad, and the side of the fixture block is equipped with
The non-slip mat of polytetrafluoroethylene (PTFE) material.
Preferably, it is 2/3rds of ball diameter that the ball, which stretches out the length of ball-type deck, and ball outside surface
Roughness is polishing to Ra3.2. μm, and matching for using between the outer wall of the ball and the inner cavity of ball-type deck is combined into clearance fit.
Preferably, the shape of the cross section of the right snap-gauge is set as c-type, and the material of right snap-gauge is stainless steel material.
Preferably, the initial length and coefficient of elasticity of the locking spring I and locking spring II are all the same, and locking spring
I and the material of locking spring II are stainless steel material.
Preferably, the junction for adjusting sleeve and adjusting connecting rod is equipped with sealing ring, and the material of sealing ring is butyronitrile
Rubber material.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of height-adjustable oil pumping rod centering device, has following
The utility model has the advantages that
1, the height-adjustable oil pumping rod centering device can be in sucker rod by the setting of fixture block and tie down screw
Arbitrary height position connects and fixes centralizer, solves existing thread connecting mode, in the actual production process can not root
The problem of its position is adjusted according to particular situation, while the setting of snap-gauge I and right snap-gauge, in conjunction with locking spring I and locking bullet
Spring II can effectively prevent centralizer during long-time service and improve the adjustable height there is a phenomenon where loose or dislocation
The practicability of the oil pumping rod centering device of degree and safety.
2, the height-adjustable oil pumping rod centering device will be existing by the setting of fixture block, adjusting sleeve and ball-type deck
Integral structure split come, avoid existing integral structure rolling wheel centralizer part damage when need entirety
Replacement the problem of so as to cause the wasting of resources, reduces the maintenance cost of the height-adjustable oil pumping rod centering device equipment.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the tie down screw top view of the utility model Fig. 1.
In figure: 1 fixture block, 2 sucker rods, 3 adjust sleeves, 4 adjustment springs, 5 adjust connecting plates, 6 adjust connecting rods, 7 ball-type decks,
8 balls, 9 snap-gauges I, 10 tie down screws, 11 right snap-gauges, 12 locking springs I, 13 locking nuts, 14 snap-gauges II, 15 left snap-gauges, 16
Locking spring II, 17 is locked block.
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.
A kind of height-adjustable oil pumping rod centering device referring to FIG. 1-2, including fixture block 1, the side of fixture block 1 and oil pumping
One side contacts of 2 outer surface of bar, the other side of fixture block 1 are fixedly connected with the side for adjusting sleeve 3, and the side of fixture block 1 is equipped with arc
Degree, and the size of radian is 2.1rad, the side of fixture block 1 is equipped with the non-slip mat of polytetrafluoroethylene (PTFE) material, for setting for fixture block 1
It sets, the frictional force between fixture block 1 and sucker rod 2 can be increased, avoid during use between fixture block 1 and sucker rod 2
The problem of sliding improves practicability and the safety of the height-adjustable oil pumping rod centering device, adjusts 3 inner cavity of sleeve
Side be fixedly connected with one end of adjustment spring 4, the other end of adjustment spring 4 be located at adjust 3 inner cavity of sleeve adjusting connect
The side of plate 5 is fixedly connected, and the junction for adjusting sleeve 3 and adjusting connecting rod 6 is equipped with sealing ring, and the material of sealing ring is butyronitrile
Rubber material can prevent the petroleum in pipeline during use from penetrating by the setting of nitrile rubber material sealing ring
The problem of to the inside for adjusting sleeve 3 to cause corrosion and damage to adjustment spring 4, extends the service life for adjusting sleeve 3,
The practicability of the height-adjustable oil pumping rod centering device is further improved, the other side of connecting plate 5 is adjusted and adjusts connecting rod 6
One end is fixedly connected, adjust connecting rod 6 the other end run through and extend to adjust sleeve 3 outside the other side and with ball-type deck 7
Internal whorl connection, the outer surface for adjusting connecting rod 6 and the internal activity for adjusting sleeve 3 be socketed, the inside of ball-type deck 7 and rolling
The outer surface of pearl 8 is clamped, and the length that ball 8 stretches out ball-type deck 7 is 2/3rds of 8 diameter of ball, and 8 outer surface of ball
Roughness is polishing to Ra3.2 μm, and matching for using between the outer wall of ball 8 and the inner cavity of ball-type deck 7 is combined into clearance fit, for
The setting of ball 8 reduces the friction dynamics between ball 8 and oil pipe, while avoiding the hair of ball 8 in the long-term use process
The problem of raw obstruction, the service life of ball 8 is extended, the middle part on 1 top of fixture block is fixedly connected with the bottom end of snap-gauge I 9, snap-gauge
I 9 inside and a side contacts of 10 outer surface of tie down screw, the internal activity set of the side of I 9 outer surface of snap-gauge and right snap-gauge 11
Connect, a side contacts of the side of right snap-gauge 11 and snap-gauge I 9, and right snap-gauge 11 is located at the right side of snap-gauge I 9, right snap-gauge 11 it is transversal
The shape in face is set as c-type, and the material of right snap-gauge 11 is stainless steel material, and the setting for right snap-gauge 11C type structure solves
The problem of tie down screw 10 skids during clamping, at the same stainless steel material can effectively avoid right snap-gauge 11 because
Corrode and damage and eventually lead to the problem of centralizer is fallen off, further just improves the height-adjustable sucker rod stabilizing
Device safety, the other side of right snap-gauge 11 and the end thereof contacts of locking spring I 12, the other end and locking screw of locking spring I 12
The side contacts of mother 13, and the outer surface pivot bush unit of the inside of locking spring I 12 and tie down screw 10, locking nut 13 it is interior
Portion is connect with the threaded one end of tie down screw 10, the other side of 10 outer surface of tie down screw and the interior contact of snap-gauge II 14, and
It is fixedly connected in the middle part of the bottom end of snap-gauge II 14 and another 1 top of fixture block, the other side of 10 outer surface of tie down screw and left card
The internal activity of plate 15 is socketed, a side contacts of the side of snap-gauge II 14 and left snap-gauge 15, and left snap-gauge 15 is located at snap-gauge II 14
Left side, the end thereof contacts of the other side of left snap-gauge 15 and locking spring II 16, the other end of locking spring II 16 and locking are solid
Determine a side contacts of block 17, and the other side pivot bush unit of the inside of locking spring II 16 and 10 outer surface of tie down screw, locks
Spring I 12 and the initial length and coefficient of elasticity of locking spring II 16 are all the same, and locking spring I 12 and locking spring II 16
Material is stainless steel material, and locking spring I 12 and locking spring II 16 are arranged so that the stress on 2 both sides of sucker rod is equal
It is even, the stability of the device is improved, while avoiding locking nut 13 and occurring to loosen during use so as to cause helping
The problem of positive device is fallen off, the side for the block 17 that is locked is fixedly connected with one end of tie down screw 10.
When work, construction personnel first loosens locking nut 13 and locking spring I 12 is driven to be moved to suitable position to side,
The opening sucker rod 2 of tie down screw 10 is moved up after moving right snap-gauge 11 to suitable position outward again later, is then being needed
Position to be mounted contacts the inside of two fixture blocks 1 with sucker rod 2, is then again stuck in right snap-gauge 11 and left snap-gauge 15
The side of snap-gauge I 9 and left snap-gauge 15, rotates backward locking nut 13 again later, under the action of tie down screw 10, while from two
Side compression locking spring I 12 and locking spring II 16 are until clamping sucker rod 2, when centralizer is put into oil pipe, oil pipe it is interior
Wall can be contacted with ball 8, and compression adjustment spring 4 automatically adjusts the position length of ball 8 under the action of adjusting connecting rod 6.
It, can be with by the setting of fixture block 1 and tie down screw 10 in conclusion the height-adjustable oil pumping rod centering device
Centralizer is connected and fixed in the arbitrary height position of sucker rod, solves existing thread connecting mode, in the mistake of actual production
The problem of its position can not be adjusted in journey according to specific circumstances, while the setting of snap-gauge I 9 and right snap-gauge 11, in conjunction with locking
Spring I 12 can effectively prevent centralizer during long-time service with locking spring II 16 and showing for loose or dislocation occur
As improving practicability and the safety of the height-adjustable oil pumping rod centering device；By fixture block 1, adjust sleeve 3 and ball-type
Existing integral structure is split, avoids existing integral structure rolling wheel centralizer in part by the setting of deck 7
Integral replacing is needed when damage parts, the problem of so as to cause the wasting of resources, reduces the height-adjustable sucker rod stabilizing
The maintenance cost of device equipment；It solves in existing technology, roller type sucker rod centralizer is all using the side being threadedly coupled
Formula is connected with sucker rod, can not adjust its position according to specific circumstances in the actual production process, and tie up in installation
It is needed when repairing while dismantling sucker rod, complex for operation step, working efficiency is low, while existing integral structure idler wheel centralizing
Device can not be replaced individually when part is damaged, and cause the waste of resource, improve cost of equipment maintenance
Problem.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of height-adjustable oil pumping rod centering device, including fixture block (1), it is characterised in that: the side of the fixture block (1) with
One side contacts of sucker rod (2) outer surface, the other side of the fixture block (1) is fixedly connected with the side for adjusting sleeve (3), described
The side for adjusting sleeve (3) inner cavity is fixedly connected with one end of adjustment spring (4), the other end of the adjustment spring (4) and position
It is fixedly connected in the side for the adjusting connecting plate (5) for adjusting sleeve (3) inner cavity, the other side for adjusting connecting plate (5) and the company of adjusting
One end of bar (6) is fixedly connected, and the other end for adjusting connecting rod (6), which runs through and extends to, adjusts the another of sleeve (3) outside
It side and is connect with the internal whorl of ball-type deck (7), the outer surface for adjusting connecting rod (6) and the inside for adjusting sleeve (3) are living
Dynamic socket, the inside of the ball-type deck (7) and the outer surface of ball (8) are clamped, the middle part on fixture block (1) top and snap-gauge
The bottom end of I (9) is fixedly connected, the inside of the snap-gauge I (9) and a side contacts of tie down screw (10) outer surface, the snap-gauge I
(9) internal activity of the side of outer surface and right snap-gauge (11) is socketed, the side of the right snap-gauge (11) and the one of snap-gauge I (9)
Side contacts, and right snap-gauge (11) is located at the right side of snap-gauge I (9), the other side and the locking spring I (12) of the right snap-gauge (11)
End thereof contacts, the other end of the locking spring I (12) and a side contacts of locking nut (13), and locking spring I (12)
The internal outer surface pivot bush unit with tie down screw (10), the inside of the locking nut (13) and the one end of tie down screw (10)
It is threadedly coupled, the other side of tie down screw (10) outer surface and the interior contact of snap-gauge II (14), and snap-gauge II (14)
It is fixedly connected in the middle part of bottom end and another fixture block (1) top, the other side of tie down screw (10) outer surface and left snap-gauge
(15) internal activity socket, the side of the snap-gauge II (14) and a side contacts of left snap-gauge (15), and left snap-gauge (15) position
In the left side of snap-gauge II (14), the other side of the left snap-gauge (15) and the end thereof contacts of locking spring II (16), the locking
One side contacts of the other end of spring II (16) and the block (17) that is locked, and the inside of locking spring II (16) and tie down screw
(10) other side pivot bush unit of outer surface, the fixed company in the side of the block that is locked (17) and the one end of tie down screw (10)
It connects.
2. a kind of height-adjustable oil pumping rod centering device according to claim 1, it is characterised in that: the fixture block (1)
Side be equipped with radian, and the size of radian is 2.1rad, and the side of the fixture block (1) is equipped with the anti-skidding of polytetrafluoroethylene (PTFE) material
Pad.
3. a kind of height-adjustable oil pumping rod centering device according to claim 1, it is characterised in that: the ball (8)
The length for stretching out ball-type deck (7) is 2/3rds of ball (8) diameter, and the roughness of ball (8) outer surface is polishing to
Ra3.2 μm, matching for using between the outer wall of the ball (8) and the inner cavity of ball-type deck (7) is combined into clearance fit.
4. a kind of height-adjustable oil pumping rod centering device according to claim 1, it is characterised in that: the right snap-gauge
(11) shape of cross section is set as c-type, and the material of right snap-gauge (11) is stainless steel material.
5. a kind of height-adjustable oil pumping rod centering device according to claim 1, it is characterised in that: the locking spring
I (12) and the initial length and coefficient of elasticity of locking spring II (16) are all the same, and locking spring I (12) and locking spring II
(16) material is stainless steel material.
6. a kind of height-adjustable oil pumping rod centering device according to claim 1, it is characterised in that: the adjusting sleeve
(3) sealing ring is equipped with the junction for adjusting connecting rod (6), and the material of sealing ring is nitrile rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918924.3U CN208280920U (en) | 2018-06-13 | 2018-06-13 | A kind of height-adjustable oil pumping rod centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918924.3U CN208280920U (en) | 2018-06-13 | 2018-06-13 | A kind of height-adjustable oil pumping rod centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208280920U true CN208280920U (en) | 2018-12-25 |
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ID=64699041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820918924.3U Active CN208280920U (en) | 2018-06-13 | 2018-06-13 | A kind of height-adjustable oil pumping rod centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208280920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594065A (en) * | 2020-06-10 | 2020-08-28 | 张雪蓉 | Composite sucker rod centering device for oil field |
-
2018
- 2018-06-13 CN CN201820918924.3U patent/CN208280920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594065A (en) * | 2020-06-10 | 2020-08-28 | 张雪蓉 | Composite sucker rod centering device for oil field |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190118 Address after: 224700 No. 186 Jianbao North Road, Gaozuo Town, Jianhu County, Yancheng City, Jiangsu Province Patentee after: China Longteng Machinery Manufacturing Co. Ltd. Address before: 163000 North Road, Torch Village, Saertu District, Daqing City, Heilongjiang Province Patentee before: Dalian Shengwei Machinery Manufacturing Co., Ltd. |