CN113153172A - Full spray welding high temperature resistant anticorrosion sucker rod - Google Patents
Full spray welding high temperature resistant anticorrosion sucker rod Download PDFInfo
- Publication number
- CN113153172A CN113153172A CN202110304225.6A CN202110304225A CN113153172A CN 113153172 A CN113153172 A CN 113153172A CN 202110304225 A CN202110304225 A CN 202110304225A CN 113153172 A CN113153172 A CN 113153172A
- Authority
- CN
- China
- Prior art keywords
- block
- clamping
- connector
- bolt
- sucker rod
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 15
- 239000007921 spray Substances 0.000 title claims abstract description 8
- 238000005260 corrosion Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000006185 dispersion Substances 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010029216 Nervousness Diseases 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
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000725 suspension Substances 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
-
- 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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
Landscapes
- 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)
- Clamps And Clips (AREA)
Abstract
The invention discloses a full-spray-welding high-temperature-resistant anti-corrosion sucker rod which comprises an external thread joint, a bolt, a ball and a nut, wherein one end of the external thread joint is connected with a thrust surface shoulder, one end of the thrust surface shoulder is connected with a wrench square diameter, one end of the wrench square diameter is connected with a rod body, one end of the rod body is connected with a connector, the surface of the thrust surface shoulder is connected with a fixture block, the surface of the rod body is sleeved with a clamping block, and the interior of the clamping block is connected with a rotating shaft in a penetrating mode. This spray welding high temperature resistant anticorrosion sucker rod's gim peg passes through to constitute between connecting axle and the connecting block and rotates to be connected, and constitutes sliding connection between stopper and the gim peg, through the inside of turning over into the connector with external screwed joint, rotates the gim peg again, makes the inside of gim peg card income fixture block, and the stopper that slides makes the arc recess looks block of stopper and fixture block, rotates the nut and carries on spacingly to the stopper, can make junction atress dispersion between this product to reach the mesh that prevents the rupture.
Description
Technical Field
The invention relates to the technical field of sucker rods, in particular to a full-spray-welding high-temperature-resistant anti-corrosion sucker rod.
Background
The full spray-welded high-temp. resistant anticorrosion sucker rod is an important component of sucker rod pumping equipment, and is characterized by that it possesses the characteristics of high-temp. resistance and anticorrosion, and the sucker rod is connected into sucker rod string by means of coupling, and its upper portion is connected with pumping unit by means of polished rod, and its lower portion is connected with plunger of pumping pump, and the sucker rod is connected in the interior of oil pipe by one rod and extended to piston of underground oil layer so as to transfer the reciprocating motion of horsehead suspension point of ground pumping unit to underground oil-well pump.
The full spray welding high temperature resistant anticorrosion sucker rod on the market is various, but the butt joint department atress between most full spray welding high temperature resistant anticorrosion sucker rod is great, breaks easily in long-term use, for this reason needs improve current product, satisfies market demand.
Disclosure of Invention
The invention aims to provide a full-spray-welding high-temperature-resistant anti-corrosion sucker rod, which solves the problems that the existing full-spray-welding high-temperature-resistant anti-corrosion sucker rods in the market are various in types, but the butt joint of most full-spray-welding high-temperature-resistant anti-corrosion sucker rods is stressed greatly and is easy to break in the long-term use process.
In order to achieve the purpose, the invention provides the following technical scheme: a full-spray-welding high-temperature-resistant anti-corrosion sucker rod comprises an external thread connector, a bolt, a ball and a nut, wherein one end of the external thread connector is connected with a thrust surface shoulder, one end of the thrust surface shoulder is connected with a wrench square diameter, one end of the wrench square diameter is connected with a rod body, one end of the rod body is connected with a connector, the surface of the thrust surface shoulder is connected with a fixture block, the surface of the rod body is sleeved with a clamping block, the inside of the clamping block is connected with a rotating shaft in a penetrating manner, and the bolt is connected to the inside of the clamping block in a penetrating manner;
the outer wall of the clamping block is connected with a fixed block, a fixed spring is arranged inside the fixed block, and the ball is connected to one end of the fixed spring;
the surface of connector is connected with the connecting block, one side of connecting block is provided with the gim peg, the inside through connection of gim peg has the connecting axle, the stopper has been cup jointed on the surface of connecting axle, the nut sets up the one side at the stopper.
Preferably, the cross section of the inner wall of the connector is concave, the outer wall of the external thread joint is of a thread structure, and the external thread joint is in threaded connection with the connector.
Preferably, the fixture blocks are arranged in two groups, the two groups of fixture blocks are symmetrically distributed about a transverse middle parting line of the shoulder of the bearing surface, and arc-shaped grooves matched with the circular lugs on the outer wall of the limiting block are formed in the two groups of fixture blocks.
Preferably, the clamp blocks are provided with two groups, the two groups of clamp blocks are rotatably connected through a rotating shaft, and the bolt penetrates through the insides of the two groups of clamp blocks and is in threaded connection with the clamp blocks.
Preferably, the balls are symmetrically distributed about a transverse middle line of the rod body, and the balls and the fixed block form an elastic linkage structure through the fixed spring.
Preferably, the clamping bolt is rotatably connected with the connecting block through the connecting shaft, the outer wall of the clamping bolt is tangent to the inner wall of the limiting block, and the limiting block is in sliding connection with the clamping bolt.
Compared with the prior art, the invention has the beneficial effects that: this spray welding high temperature resistant anticorrosion sucker rod entirely:
1. the clamp splice of this product is provided with two sets ofly, and constitutes through the pivot between two sets of clamp splices and rotate to connect to constitute threaded connection between the inside that the bolt runs through two sets of clamp splices and the clamp splice, through rotating the clamp splice, make the clamp splice card on the surface of the body of rod, rotate the bolt again, make the inside that the bolt runs through the clamp splice, make the clamp splice press from both sides the tight body of rod and fix, so that install the clamp splice.
2. The ball of this product is symmetric distribution about the horizontal well separated time of the body of rod, and the ball passes through to constitute the elasticity linkage structure between fixed spring and the fixed block, through installing the back to the clamp splice, inserts the body of rod inside oil pipe, makes the ball rotate along oil pipe inside to elasticity through fixed spring restricts the body of rod and rocks in oil pipe inside, in order to play the effect of rightting.
3. The clamping bolt of the product is connected in a rotating mode through the connection shaft and the connection block, the limiting block and the clamping bolt are connected in a sliding mode, the external thread connector is turned into the connector, the clamping bolt is rotated again, the clamping bolt is clamped into the clamping block, the limiting block slides, the limiting block is clamped with the arc-shaped groove of the clamping block, the limiting block is limited through the rotating nut, and the stress of the connection position between the products can be dispersed to achieve the purpose of preventing breakage.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a schematic side sectional view of the clamping block according to the present invention.
In the figure: 1. an externally threaded nipple; 2. pushing the shoulder of the bearing surface; 3. square diameter of the wrench; 4. a rod body; 5. a connector; 6. a clamping block; 7. a clamping block; 8. a rotating shaft; 9. a bolt; 10. a fixed block; 11. fixing the spring; 12. a ball bearing; 13. connecting blocks; 14. fastening a bolt; 15. a connecting shaft; 16. a limiting block; 17. and a nut.
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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a full spray welding high temperature resistant anticorrosion sucker rod comprises an external thread joint 1, a thrust face shoulder 2, a wrench square diameter 3, a rod body 4, a connector 5, a clamping block 6, a clamping block 7, a rotating shaft 8, a bolt 9, a fixing block 10, a fixing spring 11, a ball 12, a connecting block 13, a clamping bolt 14, a connecting shaft 15, a limiting block 16 and a nut 17, wherein one end of the external thread joint 1 is connected with the thrust face shoulder 2, one end of the thrust face shoulder 2 is connected with the wrench square diameter 3, one end of the wrench square diameter 3 is connected with the rod body 4, one end of the rod body 4 is connected with the connector 5, the cross section of the inner wall of the connector 5 is concave, the outer wall of the external thread joint 1 is of a thread structure, the external thread joint 1 is in threaded connection with the connector 5, so as to facilitate butt joint between products, the surface of the thrust face shoulder 2 is connected with the clamping block 6, the two groups of fixture blocks 6 are arranged, the two groups of fixture blocks 6 are symmetrically distributed about a transverse middle parting line of the thrust surface shoulder 2, arc-shaped grooves matched with circular lugs on the outer wall of the limiting block 16 are formed in the two groups of fixture blocks 6, the limiting block 16 is clamped with the fixture blocks 6, so that stress on joints between products is dispersed, the surface of the rod body 4 is sleeved with the two groups of fixture blocks 7, the two groups of fixture blocks 7 are rotatably connected through a rotating shaft 8, a bolt 9 penetrates through the insides of the two groups of fixture blocks 7 and is in threaded connection with the fixture blocks 7, the bolt 9 penetrates through the insides of the two groups of fixture blocks 7 so as to install the fixture blocks 7, the inside of the fixture blocks 7 is in through connection with a rotating shaft 8, and the bolt 9 is in through connection with the insides of the fixture blocks 7;
the outer wall of the clamping block 7 is connected with a fixed block 10, a fixed spring 11 is arranged inside the fixed block 10, the balls 12 are connected to one end of the fixed spring 11, the balls 12 are symmetrically distributed about the transverse middle dividing line of the rod body 4, the balls 12 form an elastic linkage structure with the fixed block 10 through the fixed spring 11, and the rod body 4 can be limited from shaking inside an oil pipe through installation of the clamping block 7 so as to achieve the effect of righting;
the surface of connector 5 is connected with connecting block 13, one side of connecting block 13 is provided with the card bolt 14, card bolt 14 constitutes through connecting axle 15 and connecting block 13 between rotate to be connected, and the outer wall of card bolt 14 is tangent with stopper 16's inner wall to constitute sliding connection between stopper 16 and the card bolt 14, make stopper 16 and 6 looks blocks of fixture block through rotating card bolt 14, in order to reach the purpose that prevents this product junction rupture, the inside through connection of card bolt 14 has connecting axle 15, stopper 16 has been cup jointed on the surface of connecting axle 15, nut 17 sets up the one side at stopper 16.
The working principle is as follows: when the full-spray-welding high-temperature-resistant anti-corrosion sucker rod is used, firstly, two groups of clamping blocks 7 of the product are arranged, the two groups of clamping blocks 7 are in rotary connection through a rotating shaft 8, a bolt 9 penetrates through the insides of the two groups of clamping blocks 7 and is in threaded connection with the clamping blocks 7, the clamping blocks 7 are clamped on the surface of a rod body 4 by rotating the clamping blocks 7, then the bolt 9 is rotated to penetrate through the insides of the clamping blocks 7, the clamping blocks 7 clamp the rod body 4 to be fixed, so that the clamping blocks 7 are convenient to install, balls 12 of the product are symmetrically distributed about a transverse median line of the rod body 4, the balls 12 form an elastic linkage structure with a fixed block 10 through a fixed spring 11, after the clamping blocks 7 are installed, the rod body 4 is inserted into an oil pipe, the balls 12 rotate along the inside of the oil pipe, and the shaking of the rod body 4 in the oil pipe is limited through the elasticity of the fixed spring 11, the product has the advantages that the righting effect is achieved, the clamping bolt 14 of the product is rotatably connected with the connecting block 13 through the connecting shaft 15, the limiting block 16 is slidably connected with the clamping bolt 14, the male adapter 1 is rotated into the connecting head 5, then the clamping bolt 14 is rotated to be clamped into the clamping block 6, the limiting block 16 is slid to be clamped with the arc-shaped groove of the clamping block 6, the limiting block 16 is limited through the rotating nut 17, stress at the connecting position between the products can be dispersed, and the purpose of preventing breakage is achieved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a full spray welding high temperature resistant anticorrosion sucker rod, includes external thread joint (1), bolt (9), ball (12) and nut (17), its characterized in that: one end of the external thread connector (1) is connected with a thrust surface shoulder (2), one end of the thrust surface shoulder (2) is connected with a wrench square diameter (3), one end of the wrench square diameter (3) is connected with a rod body (4), one end of the rod body (4) is connected with a connector (5), the surface of the thrust surface shoulder (2) is connected with a fixture block (6), the surface of the rod body (4) is sleeved with a clamping block (7), the interior of the clamping block (7) is connected with a rotating shaft (8) in a penetrating manner, and a bolt (9) is connected to the interior of the clamping block (7) in a penetrating manner;
the outer wall of the clamping block (7) is connected with a fixing block (10), a fixing spring (11) is arranged inside the fixing block (10), and the ball (12) is connected to one end of the fixing spring (11);
the surface of connector (5) is connected with connecting block (13), one side of connecting block (13) is provided with clip (14), the inside through connection of clip (14) has connecting axle (15), stopper (16) have been cup jointed on the surface of connecting axle (15), nut (17) sets up the one side at stopper (16).
2. The full spray-welded high temperature resistant anti-corrosion sucker rod of claim 1, which is characterized in that: the cross section of the inner wall of the connector (5) is concave, the outer wall of the external thread connector (1) is of a thread structure, and the external thread connector (1) is in threaded connection with the connector (5).
3. The full spray-welded high temperature resistant anti-corrosion sucker rod of claim 1, which is characterized in that: the fixture blocks (6) are arranged in two groups, the two groups of fixture blocks (6) are symmetrically distributed about the transverse middle parting line of the pushing and bearing surface circular shoulder (2), and arc-shaped grooves matched with the circular bumps on the outer wall of the limiting block (16) are formed in the two groups of fixture blocks (6).
4. The full spray-welded high temperature resistant anti-corrosion sucker rod of claim 1, which is characterized in that: the clamping blocks (7) are provided with two groups, the two groups of clamping blocks (7) are rotatably connected through a rotating shaft (8), and a bolt (9) penetrates through the inner parts of the two groups of clamping blocks (7) and is in threaded connection with the clamping blocks (7).
5. The full spray-welded high temperature resistant anti-corrosion sucker rod of claim 1, which is characterized in that: the balls (12) are symmetrically distributed about the transverse middle parting line of the rod body (4), and the balls (12) and the fixed block (10) form an elastic linkage structure through the fixed spring (11).
6. The full spray-welded high temperature resistant anti-corrosion sucker rod of claim 1, which is characterized in that: the clamping bolt (14) is rotatably connected with the connecting block (13) through the connecting shaft (15), the outer wall of the clamping bolt (14) is tangent to the inner wall of the limiting block (16), and the limiting block (16) is in sliding connection with the clamping bolt (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110304225.6A CN113153172B (en) | 2021-03-22 | 2021-03-22 | Full spray welding high temperature resistant anticorrosion sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110304225.6A CN113153172B (en) | 2021-03-22 | 2021-03-22 | Full spray welding high temperature resistant anticorrosion sucker rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113153172A true CN113153172A (en) | 2021-07-23 |
| CN113153172B CN113153172B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110304225.6A Active CN113153172B (en) | 2021-03-22 | 2021-03-22 | Full spray welding high temperature resistant anticorrosion sucker rod |
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| CN211144397U (en) * | 2019-12-19 | 2020-07-31 | 九环机械股份有限公司 | Special anti-drop sucker rod of screw pump |
| CN211900493U (en) * | 2020-03-24 | 2020-11-10 | 东营市金亿来石油机械有限公司 | High-yield coated sucker rod with centralizer |
| CN211900495U (en) * | 2020-03-24 | 2020-11-10 | 东营市金亿来石油机械有限公司 | Sucker rod with centralizing and eccentric wear preventing functions |
| CN212671583U (en) * | 2020-05-15 | 2021-03-09 | 大庆市龙兴石油机械有限公司 | Novel sucker rod |
| CN212454302U (en) * | 2020-05-18 | 2021-02-02 | 大庆市龙兴石油机械有限公司 | Novel sucker rod centralizer |
| CN211448543U (en) * | 2020-08-06 | 2020-09-08 | 胜利方兰德石油装备股份有限公司 | Righting anti-wear hollow sucker rod |
| CN112483012A (en) * | 2020-12-10 | 2021-03-12 | 蒋东 | Anti-drop and anti-tensile sucker rod coupling |
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| CN113153172B (en) | 2023-10-20 |
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