CN111878008A - Multifunctional protector for sucker rod - Google Patents
Multifunctional protector for sucker rod Download PDFInfo
- Publication number
- CN111878008A CN111878008A CN202010907599.2A CN202010907599A CN111878008A CN 111878008 A CN111878008 A CN 111878008A CN 202010907599 A CN202010907599 A CN 202010907599A CN 111878008 A CN111878008 A CN 111878008A
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- China
- Prior art keywords
- fixedly connected
- groove
- roller
- rod
- wall
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- 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.)
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- 230000001012 protector Effects 0.000 title claims abstract description 15
- 239000011435 rock Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1071—Wear protectors; Centralising devices, e.g. stabilisers specially adapted for pump rods, e.g. sucker rods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a multifunctional protector of a sucker rod, which comprises a machine body, a pipe body and a pipe body, and is characterized in that the pipe body is arranged at the middle part of the pipe body, the upper end and the lower end of the pipe body are respectively and fixedly connected with the middle part of a limiting fixed block, a second groove is arranged at the middle part of the limiting fixed block, a second roller is arranged at one side of the second groove, the middle part of the second roller is movably connected with a second shaft rod, the upper end and the lower end of the second shaft rod are respectively and fixedly connected with the inner wall of the first groove, the first groove is positioned on the inner wall of the second round hole, the second round hole is positioned at the middle part of the machine body, the upper end and the lower end of the machine body are respectively and fixedly connected with the bottom end of a machine cover, the middle part of the third groove is fixedly connected with one end of a telescopic rod, the middle part, the middle part of the first roller is movably connected with the first shaft rod. The invention has simple structure and convenient operation.
Description
Technical Field
The invention relates to the technical field of oil extraction, in particular to a multifunctional protector for a sucker rod.
Background
The sucker rod pump is generally a plunger type oil well pump driven by the up-and-down reciprocating motion of a sucker rod. The sucker-rod pump oil extraction has the characteristics of simple structure, strong adaptability, convenient maintenance and management and long service life, and is the most widely applied mechanical oil extraction mode at home and abroad. The sucker-rod pump is the most common single-cylinder single-action oil pump, and the oil discharge amount of the sucker-rod pump depends on the diameter of the pump and the stroke number of the pump. The efficiency of the pump in the medium-deep well is about 50 percent, and the pump is suitable for wells with medium and low yield.
In actual work, the phenomenon that a sucker rod is broken and disconnected and a coupling is disconnected due to combined action of eccentric wear and vibration of a sucker rod pumping system occurs sometimes, great difficulty is brought to production management of an oil field, meanwhile, a large amount of production cost is increased, the existing eccentric wear prevention measures mainly comprise a rotary wellhead and a transverse pull rod rocker arm rotating mechanism, the rotating function of the sucker rod can be achieved, external force adjustment is needed, management is inconvenient, certain potential safety hazards and the like exist, and meanwhile mechanical vibration caused by reciprocating motion of the sucker rod cannot be solved.
Disclosure of Invention
The invention aims to provide a multifunctional protector for a sucker rod, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional protector for a sucker rod comprises a machine body, a pipe body and a pipe body, and is characterized in that the pipe body is arranged in the middle of the pipe body, the upper end and the lower end of the pipe body are fixedly connected with the middle of a limiting fixing block respectively, a second groove is arranged in the middle of the limiting fixing block, a second roller is arranged on one side of the second groove, the middle of the second roller is movably connected with a second shaft rod, the upper end and the lower end of the second shaft rod are fixedly connected with the inner wall of a first groove respectively, the first groove is arranged on the inner wall of a second round hole, the second round hole is arranged in the middle of the machine body, the upper end and the lower end of the machine body are connected with the bottom end of a machine cover respectively in a buckling manner, the first round hole is arranged in the middle of the machine cover, third grooves are arranged on the machine body at equal intervals, and the bottom end, the middle part of the telescopic rod is fixedly connected with one end of the spring, one side of the clamping block at the other end of the spring is fixedly connected, the middle part of one side of the clamping block is fixedly connected with the other end of the telescopic rod, the middle part of the clamping block is provided with a first roller, the middle part of the first roller is movably connected with a first shaft rod, two sides of the first shaft rod are fixedly connected with the inner wall of the clamping block respectively, and two ends of the first shaft rod are fixedly connected with one side of the abutting block respectively.
Further, the pipe body is fixedly connected with the inner wall of the external rock.
Furthermore, the second roller is embedded with the first groove in shape.
Furthermore, the two sides of the inner wall of the third groove are respectively provided with a long hole, and are connected with the two ends of the first shaft rod in a sliding manner.
Furthermore, the upper end and the lower end of the machine body are respectively provided with a third groove at equal intervals.
Furthermore, one side of the first roller is attached to the inner wall of the pipe body.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts the protection of the oil rod at a plurality of positions to avoid the friction and collision between the oil rod and the inner wall of the oil pipe during the work and reduce the clearance of relative movement so as to weaken the mechanical vibration to a large extent. The structure of first gyro wheel and spring telescopic link can let the oil pole stable carry out piston motion from top to bottom at oil pipe central authorities, and second gyro wheel structure can let the light rotation that carries on of oil pole.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an overall cross-sectional schematic view of a multi-functional protector for a sucker rod;
FIG. 2 is a schematic sectional top view of a multi-function protector for a sucker rod.
Reference numerals:
1. a rod body; 2. a machine cover; 3. a first circular hole; 4. a second circular hole; 5. a pipe body; 6. a body; 7. a telescopic rod; 8. a clamping block; 9. a first shaft lever; 10. a first roller; 11. a spring; 12. a limit fixing block; 13. a second shaft lever; 14. a first groove; 15. a second roller; 16. a second groove; 17. a resisting block; 18. and a third groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, a multifunctional protector for a sucker rod according to an embodiment of the present invention includes a body 6, a tube body 5 and a rod body 1, and is characterized in that the rod body 1 is installed at a middle portion of the tube body 5, the rod body is used as a main component of an oil pump, upper and lower ends of the rod body 1 are respectively and fixedly connected to a middle portion of a limiting fixing block 12, so as to perform a good limiting function on the rod body, a second groove 16 is installed at a middle portion of the limiting fixing block 12, a second roller 15 is installed at one side of the second groove 16, the rod body is rotated by the second roller without affecting the body, the middle portion of the second roller 15 is movably connected to a second shaft 13, upper and lower ends of the second shaft 13 are respectively and fixedly connected to an inner wall of a first groove 14, the first groove 14 is located on an inner wall of a second circular hole 4, the second circular hole 4 is located at a middle portion of, the upper end and the lower end of the machine body 6 are respectively connected with the bottom end of the machine cover 2 in a buckled manner, the machine cover can prevent stains from entering the machine body, the middle part of the machine cover 2 is provided with a first round hole 3, the periphery of the machine body 6 is provided with third grooves 18 at equal intervals, the bottom end of each third groove 18 is fixedly connected with one end of a telescopic rod 7, the middle part of each telescopic rod 7 is fixedly connected with one end of a spring 11, one side of a clamping block 8 at the other end of each spring 11 is fixedly connected with one side of the other end of the other spring, the springs can weaken mechanical vibration, the middle part of one side of each clamping block 8 is fixedly connected with the other end of the corresponding telescopic rod 7, a first roller 10 is installed at the middle part of each clamping block 7, the machine body can move up and down on the inner wall of an oil pipe through the first roller 10, the middle part of the first roller, two ends of the first shaft rod 9 are respectively fixedly connected with one side of the abutting block 17.
According to the scheme of the invention, the pipe body 5 is fixedly connected with the inner wall of the external rock, the second roller 15 is embedded with the first groove 14 in shape, two sides of the inner wall of the third groove 18 are respectively provided with a long hole and are in sliding connection with two ends of the first shaft rod 9, the upper end and the lower end of the machine body 6 are respectively provided with the third groove 18 at equal intervals, and one side of the first roller 10 is attached to the inner wall of the pipe body 5.
The working principle is as follows: the body of rod 1 and the second round hole 4 movable mounting of organism 6, inside the spot of cover 2 avoiding in the oil pipe 5 entered into organism 6, spring 11 and telescopic link 7 device can let first gyro wheel 10 tightly press close to the inner wall of oil pipe 5, guarantee that organism 6 is in the central authorities of oil pipe 5 all the time, avoid taking place the friction with the inner wall of oil pipe 5, simultaneously because of the reason of spring 11, can weaken the mechanical vibration that produces in the motion, play certain protect function. The first roller 10 and the limit fixing block 16 can allow the oil pipe 5 to rotate without affecting the operation of the machine body 6.
In summary, the following steps: the invention adopts the protection of the oil rod at a plurality of positions to avoid the friction and collision between the oil rod and the inner wall of the oil pipe during the work and reduce the clearance of relative movement so as to weaken the mechanical vibration to a large extent. The structure of first gyro wheel and spring telescopic link can let the oil pole stable carry out piston motion from top to bottom at oil pipe central authorities, and second gyro wheel structure can let the light rotation that carries on of oil pole.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A multifunctional protector for a sucker rod comprises a machine body (6), a pipe body (5) and a pipe body (1), and is characterized in that the pipe body (1) is installed in the middle of the pipe body (5), the upper end and the lower end of the pipe body (1) are fixedly connected with the middle of a limiting fixing block (12) respectively, a second groove (16) is installed in the middle of the limiting fixing block (12), a second roller (15) is installed on one side of the second groove (16), the middle of the second roller (15) is movably connected with a second shaft rod (13), the upper end and the lower end of the second shaft rod (13) are fixedly connected with the inner wall of a first groove (14) respectively, the first groove (14) is located on the inner wall of a second round hole (4), the second round hole (4) is located in the middle of the machine body (6), the upper end and the lower end of the machine body (6) are connected with the bottom end of a machine cover (2) in a buckling mode respectively, a first round hole (3) is arranged in the middle of the machine cover (2), third grooves (18) are equidistantly arranged around the machine body (6), the bottom end of the third groove (18) is fixedly connected with one end of the telescopic rod (7), the middle part of the telescopic rod (7) is fixedly connected with one end of the spring (11), one side of the clamping block (8) at the other end of the spring (11) is fixedly connected, the middle part of one side of the clamping block (8) is fixedly connected with the other end of the telescopic rod (7), a first roller (10) is arranged in the middle of the clamping block (7), the middle of the first roller (10) is movably connected with a first shaft lever (9), the two sides of the first shaft lever (9) are respectively fixedly connected with the inner wall of the clamping block (8), two ends of the first shaft lever (9) are respectively fixedly connected with one side of the abutting block (17).
2. The multifunctional protector for sucker rod of claim 1 wherein the tube (5) is fixedly connected to the inner wall of the outer rock.
3. The multifunctional protector for sucker rod according to claim 1, characterized in that the second roller (15) is shape-fitted with the first groove (14).
4. The multifunctional protector for sucker rod according to claim 1, wherein the third groove (18) has elongated holes on both sides of its inner wall, and is slidably connected to both ends of the first shaft (9).
5. The multifunctional protector for sucker rod of claim 1, wherein the upper and lower ends of the machine body (6) are respectively provided with third grooves (18) at equal intervals.
6. The multifunctional protector for sucker rod of claim 1 wherein one side of the first roller (10) is attached to the inner wall of the tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010907599.2A CN111878008A (en) | 2020-09-02 | 2020-09-02 | Multifunctional protector for sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010907599.2A CN111878008A (en) | 2020-09-02 | 2020-09-02 | Multifunctional protector for sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111878008A true CN111878008A (en) | 2020-11-03 |
Family
ID=73198911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010907599.2A Pending CN111878008A (en) | 2020-09-02 | 2020-09-02 | Multifunctional protector for sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111878008A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855045A (en) * | 2021-03-30 | 2021-05-28 | 黑龙江陆地能源有限公司 | Multi-element protector for suspension rope of sucker rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6585043B1 (en) * | 1997-11-10 | 2003-07-01 | Weatherford/Lamb, Inc. | Friction reducing tool |
| CN204920832U (en) * | 2015-09-21 | 2015-12-30 | 长江大学 | Roller type sleeve pipe centralizer is run from opposite directions to bush |
| CN107763068A (en) * | 2016-08-16 | 2018-03-06 | 中国石油天然气股份有限公司 | Ball bearing |
| CN208981982U (en) * | 2018-10-14 | 2019-06-14 | 滨州华闻机械有限责任公司 | A kind of scratch resistant protective device of cladding sucker rod |
| CN211201803U (en) * | 2019-09-30 | 2020-08-07 | 高爱华 | Oil production downhole tubular column centralizing anti-drop device |
-
2020
- 2020-09-02 CN CN202010907599.2A patent/CN111878008A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6585043B1 (en) * | 1997-11-10 | 2003-07-01 | Weatherford/Lamb, Inc. | Friction reducing tool |
| CN204920832U (en) * | 2015-09-21 | 2015-12-30 | 长江大学 | Roller type sleeve pipe centralizer is run from opposite directions to bush |
| CN107763068A (en) * | 2016-08-16 | 2018-03-06 | 中国石油天然气股份有限公司 | Ball bearing |
| CN208981982U (en) * | 2018-10-14 | 2019-06-14 | 滨州华闻机械有限责任公司 | A kind of scratch resistant protective device of cladding sucker rod |
| CN211201803U (en) * | 2019-09-30 | 2020-08-07 | 高爱华 | Oil production downhole tubular column centralizing anti-drop device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855045A (en) * | 2021-03-30 | 2021-05-28 | 黑龙江陆地能源有限公司 | Multi-element protector for suspension rope of sucker rod |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201103 |
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| RJ01 | Rejection of invention patent application after publication |