CN115162971A - Anti-drop rod type sucker rod centralizer - Google Patents

Anti-drop rod type sucker rod centralizer Download PDF

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Publication number
CN115162971A
CN115162971A CN202210915043.7A CN202210915043A CN115162971A CN 115162971 A CN115162971 A CN 115162971A CN 202210915043 A CN202210915043 A CN 202210915043A CN 115162971 A CN115162971 A CN 115162971A
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China
Prior art keywords
fixed
installation casing
rod
sliding block
groove
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Pending
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CN202210915043.7A
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Chinese (zh)
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张科新
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Individual
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Individual
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Priority to CN202210915043.7A priority Critical patent/CN115162971A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1071Wear protectors; Centralising devices, e.g. stabilisers specially adapted for pump rods, e.g. sucker rods
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/12Devices for placing or drawing out wear protectors

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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)
  • Earth Drilling (AREA)

Abstract

The invention relates to the technical field of sucker rod centralizers and discloses an anti-drop rod type sucker rod centralizer. This anticreep rod-type sucker rod centralizer, the spout seted up until first sliding block does not with the surface contact of fixed spreader, thereby the second sliding block of indirectness slips down from the inclined plane of fixed spreader side connection round platform, loosen two and connect the push pedal after, first spring loses the restriction of power and drives first sliding block resilience, the spout that the in-process first sliding block of resilience was seted up slides and drives the surface sliding of second sliding block at fixed spreader at the surface sliding of second sliding block, it is spacing to utilize first spring and first sliding block to carry out the second sliding block, thereby install first installation casing and second installation casing, the device is effectual to have realized quick installation and dismantlement, required time has been reduced, the convenience of using has been improved.

Description

Anti-drop rod type sucker rod centralizer
Technical Field
The invention relates to the technical field of sucker rod centralizers, in particular to an anti-drop rod type sucker rod centralizer.
Background
The sucker rod centralizer is an anti-eccentric wear downhole tool of an oil pumping well, is suitable for an eccentric wear sucker rod well, particularly suitable for an eccentric wear sucker rod well above a neutral point and a directional inclined well, is matched with a nylon centralizer on a sucker rod body below the neutral point, has better anti-eccentric wear effect, is connected to a sucker rod, has a centering effect by utilizing the outer diameter of a centering sleeve larger than the outer diameter of a sucker rod coupling, is a high-strength wear-resistant material, is contacted with an oil pipe to wear a centering body so as to reduce the wear of the oil pipe, achieves the aim of preventing eccentric wear, is integrally aligned and installed by utilizing a fine bolt after being clamped in the installation process of the conventional sucker rod centralizer, can be detached by a special tool when damage occurs, has the limitation that no tool can not be maintained and replaced, and simultaneously has the phenomenon that the sucker rod is easy to deviate under the action of pressure in the process of preventing eccentric wear of the sucker rod, can cause damage to the centralizer for a long time and the phenomenon that the sucker rod is easy to cause wax deposition is easily caused by the phenomenon of plugging of the sucker rod during the sucker rod.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an anti-drop rod type sucker rod centralizer which has the advantages of convenience for quick assembly and disassembly, automatic correction and automatic wax liquid collection, and solves the problems that the existing sucker rod centralizer proposed in the background technology is integrally assembled in an alignment way by utilizing tiny bolts after clamping, when damaged, the tiny bolts can be disassembled by special tools, the limitation that the maintenance and the replacement cannot be carried out without tools exists, the sucker rod is easy to deviate under the action of pressure in the process of preventing the eccentric wear of the sucker rod, the centralizer is damaged for a long time, the surface of the sucker rod is easy to damage, the sucker rod is easy to generate a wax deposition phenomenon between the sucker rod and the centralizer in the process of exploiting crude oil, the sucker rod is not easy to discharge, and the accumulated wax is easy to cause a well plugging phenomenon.
The invention provides the following technical scheme: the utility model provides an anticreep rod-type sucker rod centralizer, includes first installation casing and second installation casing, the both sides of second installation casing are provided with installation device respectively, installation device is including extending the cover shell, fixed spreader, connecting round platform, second fixed block, first spring, first sliding block, second sliding block, spout and wall groove, the both sides difference fixedly connected with of second installation casing extend the cover shell, extend the side of cover shell and seted up the wall groove, the first spring of the inside bottom fixedly connected with of wall groove, the first sliding block of one end fixedly connected with of first spring, the spout has been seted up to the side of first sliding block, the inside sliding connection of spout has fixed spreader, one side fixedly connected with of fixed spreader extends the cover shell, the one end fixedly connected with of extending the cover shell connects the round platform.
Preferably, the mounting groove has all been seted up to the inner wall of first installation casing and second installation casing, the inside of mounting groove is provided with orthotic devices, orthotic devices is including arc attaching plate, arc block groove, extension square, second spring, fixed square, extension cylinder and connecting ring piece, the both sides difference fixedly connected with fixed square of mounting groove inner wall, the side fixed mounting of fixed square has the second spring, one side fixed mounting of second spring has the extension square, the arc block groove has been seted up to the side of extending the square, the inside laminating in arc block groove has the extension cylinder, extend cylindrical one side fixed mounting has the connecting ring piece, it has arc attaching plate to extend cylindrical one side fixed mounting.
Preferably, the surface of first installation casing and second installation casing all is provided with wax liquid collection device, wax liquid collection device is including wax liquid storage shell, the spacing cardboard of arc and fixed plate, the equal fixedly connected with fixed plate in bottom of first installation casing and second installation casing, the top fixed mounting of fixed plate has the spacing cardboard of arc, the side laminating of the spacing cardboard of arc has the wax liquid storage shell.
Preferably, the first fixed block of side fixedly connected with of first installation casing, the both sides of first fixed block difference fixed mounting have flexible cover shell, the inside sliding connection of flexible cover shell has the telescopic link, the side fixedly connected with connecting rod of telescopic link, the bottom fixedly connected with second sliding block of connecting rod, the inside sliding connection of second sliding block has fixed spreader.
Preferably, the side fixedly connected with L shape extension rod of connecting rod, the side fixed mounting of L shape extension rod has the connection push pedal.
Preferably, the two sides of the inner wall of the mounting groove are respectively and fixedly connected with a connecting vertical plate, the side surface of the connecting vertical plate is fixedly provided with an arc-shaped limiting block, and the surface of the arc-shaped limiting block is connected with a connecting ring block in a sliding manner.
Preferably, first connecting groove and second connecting groove have all been seted up to the inner wall of first installation casing and second installation casing, first connecting groove and second connecting groove link up.
Compared with the prior art, the invention has the following beneficial effects:
1. this anticreep rod-type sucker rod centralizer, through setting up the telescopic link, flexible cover shell, first fixed block, fixed spreader, connect the round platform, first spring, first sliding block, the connecting rod, the second sliding block, L shape extension rod and connection push pedal, to the in-process of first installation casing and second installation casing installation, utilize two to connect the second sliding block of push pedal coordinated control L shape extension rod side fixed connection's connecting rod bottom to the position removal of second fixed block, the in-process of removal produces the driving force to the first sliding block of the first spring fixed connection of second fixed block side fixed mounting, the surface slip of the fixed spreader of the wall inslot wall inner wall fixed mounting that the in-process first spring pressurized shrink of promotion was seted up from the extension cover shell, simultaneously connecting rod side fixed connection's telescopic link is inside flexible cover shell at first installation casing side fixed mounting, the spout until first sliding block does not with the surface contact that fixed spreader offered, thereby indirect second sliding block slides down from the inclined plane of fixed spreader side connection round platform, loosen behind two connection push pedals, the restriction of first spring drives the first sliding block and has carried out the effective reduction of mounting time of the sliding block of second sliding block and has carried out the mounting of the second sliding block in the effectual face of the mounting sliding block, thereby the second mounting time has improved the mounting slider in the first mounting slider and the second slider.
2. This anticreep rod-type sucker rod centralizer, connect the riser through setting up, arc attaching plate, arc block groove, extend the square, the second spring, fixed square, extend the cylinder, link ring piece and arc stopper, when skew appears in the sucker rod of first installation casing and second installation shells inner wall, the arc attaching plate of sucker rod surface laminating drives the side and extends the swing about the cylinder produces, two of wobbling in-process surface laminating extend the square and produce the extrusion to the second spring of mounting groove inner wall fixed connection's fixed square side, extend simultaneously cylinder side fixed mounting's link ring piece and slide at fixed square inner wall fixed connection's link ring board fixed mounting's arc stopper surface, the elasticity that utilizes the second spring is recovered and is carried out the automatic correction to the sucker rod of the extension cylinder laminating of extending the cylinder side, the effectual phenomenon that the sucker rod easily appears the skew under the effect of pressure of having solved, holistic life has been prolonged.
3. This anticreep rod-type sucker rod centralizer, through setting up first connecting groove, the wax liquid storage shell, the spacing cardboard of arc, fixed plate and second connecting groove, the in-process of crude oil is mined with the sucker rod contact to the inner wall of first installation casing and second installation casing, the waxing phenomenon that utilizes produced high temperature to first installation casing and second installation shells inner wall to produce among the mining process carries out wax and melts, the second connecting groove that the wax liquid that melts was seted up by first installation casing and second installation shells inner wall gets into, the inside production that the first connecting groove that is had a perfect understanding again enters into the wax liquid storage shell by the second connecting groove accumulates, the rethread is from first installation casing and second installation casing and upwards takes out the wax liquid storage shell between the contained angle that the spacing cardboard of fixed plate top arc of first installation casing and second installation casing bottom fixed connection formed, thereby carry out the clearance to the wax liquid of the inside collection of wax liquid storage shell, the process of whole operation is simple and easy and can accomplish unified collection and clearance to the wax liquid fast, holistic practicality is stronger.
Drawings
FIG. 1 is a schematic view of the overall structure of the sucker rod centralizer of the present invention;
FIG. 2 is a schematic bottom view of the structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a portion of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the internal cross-sectional structure of FIG. 1 according to the present invention;
FIG. 5 is a right side view of the structure of FIG. 3 according to the present invention;
FIG. 6 is a schematic side sectional view of FIG. 4 according to the present invention.
In the figure: 1. a first mounting housing; 2. a second mounting housing; 3. a first connecting groove; 4. a wax liquid storage shell; 5. an arc-shaped limiting clamping plate; 6. a wax liquid collecting device; 7. a mounting device; 8. a fixing plate; 9. a connecting rod; 10. a telescopic rod; 11. a telescopic casing; 12. a first fixed block; 13. an extension case; 14. fixing the transverse column; 15. a circular truncated cone is connected; 16. a second fixed block; 17. a first spring; 18. a first slider; 19. a second slider; 20. a chute; 21. a wall groove; 22. a corrective device; 23. mounting grooves; 24. a second connecting groove; 25. an L-shaped extension rod; 26. connecting a push plate; 27. connecting a vertical plate; 28. an arc-shaped attaching plate; 29. an arc-shaped clamping groove; 30. an extension block; 31. a second spring; 32. fixing the square plate; 33. an extension cylinder; 34. a connecting ring block; 35. an arc-shaped limiting block.
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. 1-6, an anti-drop rod type sucker rod centralizer comprises a first installation shell 1 and a second installation shell 2, wherein two sides of the second installation shell 2 are respectively provided with an installation device 7, the installation device 7 comprises an extension casing 13, a fixed cross column 14, a connecting circular truncated cone 15, a second fixed block 16, a first spring 17, a first sliding block 18, a second sliding block 19, a sliding chute 20 and a wall groove 21, two sides of the second installation shell 2 are respectively and fixedly connected with the extension casing 13, a side surface of the extension casing 13 is provided with the wall groove 21, a bottom end inside the wall groove 21 is fixedly connected with the first spring 17, one end of the first spring 17 is fixedly connected with the first sliding block 18, a side surface of the first spring 18 is provided with the sliding chute 20, the inner part of the sliding chute 20 is slidably connected with the fixed cross column 14, one side of the fixed cross column 14 is fixedly connected with the extension casing 13, and one end of the extension casing 13 is fixedly connected with the connecting connection casing 15, two connecting push plates 26 are used for linkage control of the second sliding block 19 at the bottom of the connecting rod 9 fixedly connected with the side surface of the L-shaped extension rod 25 to move towards the position of the second fixed block 16, a pushing force is generated on the first sliding block 18 fixedly connected with the first spring 17 fixedly arranged on the side surface of the second fixed block 16 in the moving process, the first spring 17 is compressed and contracted to slide from the surface of the fixed transverse column 14 fixedly arranged on the inner wall of the wall groove 21 arranged on the extension sleeve shell 13 in the pushing process, meanwhile, the telescopic rod 10 fixedly connected with the side surface of the connecting rod 9 is stretched in the telescopic sleeve shell 11 fixedly arranged on the first fixed block 12 fixedly arranged on the side surface of the first mounting shell 1 until the sliding groove 20 arranged on the first sliding block 18 is not contacted with the surface of the fixed transverse column 14, and therefore the indirect second sliding block 19 slides down from the inclined surface of the round table 15 connected with the side surface of the fixed transverse column 14, after two connection push pedal 26 are loosened, first spring 17 loses the restriction of power and drives first sliding block 18 and kick-backs, utilizes first spring 17 and first sliding block 18 to carry out spacingly to second sliding block 19 to install first installation casing 1 and second installation casing 2, the device is effectual to have realized quick installation and dismantlement, has reduced required time, has improved the convenience of using.
Wherein; mounting groove 23 has all been seted up to the inner wall of first installation casing 1 and second installation casing 2, the inside of mounting groove 23 is provided with orthotic devices 22, orthotic devices 22 is including arc attaching plate 28, arc block groove 29, extend the square 30, second spring 31, fixed square plate 32, extend cylinder 33 and connecting ring piece 34, the both sides difference fixedly connected with fixed square plate 32 of mounting groove 23 inner wall, the side fixed mounting of fixed square plate 32 has second spring 31, one side fixed mounting of second spring 31 has extension square 30, arc block groove 29 has been seted up to the side of extending square 30, the inside laminating of arc block groove 29 has extension cylinder 33, one side fixed mounting of extension cylinder 33 has connecting ring piece 34, one side fixed mounting of extension cylinder 33 has arc attaching plate 28, the arc attaching plate 28 of sucker rod surface laminating drives the side and extends cylinder 33 and produces the swing from top to bottom, two extension squares 30 of wobbling in-process surface laminating have produced the extrusion to the second spring 31 of the fixed square plate 32 side of mounting groove 23 inner wall fixed connection, the effect that the effectual connecting ring piece 34 of extending cylinder 33 side fixed mounting plate 32 in fixed mounting groove inner wall extended the effect of the effective rebound spring and has been solved sucker rod's the effect of the effective use of the elastic connection of the sucker rod 33.
Wherein; the surface of first installation casing 1 and second installation casing 2 all is provided with wax liquid collection device 6, wax liquid collection device 6 is including wax liquid storage shell 4, arc spacing cardboard 5 and fixed plate 8, the equal fixedly connected with fixed plate 8 in bottom of first installation casing 1 and second installation casing 2, the top fixed mounting of fixed plate 8 has arc spacing cardboard 5, the side laminating of arc spacing cardboard 5 has wax liquid storage shell 4, utilize the wax precipitation phenomenon that the produced high temperature produced among the exploitation process produced first installation casing 1 and second installation casing 2 inner wall to produce to carry out wax melting, wax liquid gets into the inside of wax liquid storage shell 4, through upwards taking out wax liquid storage shell 4 between the contained angle that forms from first installation casing 1 and second installation casing 2 and first installation casing 1 and second installation casing 2 bottom fixed connection's fixed plate 8 top arc spacing cardboard 5, thereby the wax liquid of collecting inside the wax liquid storage shell 4 carries out unified clearance, the process of whole operation is simple and easy and can accomplish collection and clearance of wax liquid fast, holistic practicality is stronger.
Wherein; the side fixedly connected with first fixed block 12 of first installation casing 1, the both sides of first fixed block 12 are fixed mounting respectively have flexible cover shell 11, and the inside sliding connection of flexible cover shell 11 has telescopic link 10, and the side fixedly connected with connecting rod 9 of telescopic link 10, the bottom fixedly connected with second sliding block 19 of connecting rod 9, the inside sliding connection of second sliding block 19 has fixed spreader 14.
Wherein; the side surface of the connecting rod 9 is fixedly connected with an L-shaped extension rod 25, and the side surface of the L-shaped extension rod 25 is fixedly provided with a connecting push plate 26.
Wherein; the both sides of mounting groove 23 inner wall fixedly connected with respectively connect riser 27, connect the side fixed mounting of riser 27 and have arc stopper 35, and the surface sliding of arc stopper 35 is connected with connecting ring piece 34.
Wherein; first connecting groove 3 and second connecting groove 24 have all been seted up to the inner wall of first installation casing 1 and second installation casing 2, first connecting groove 3 link up with second connecting groove 24, the second connecting groove 24 that the wax liquid that melts was seted up by first installation casing 1 and second installation casing 2 inner wall gets into, the inside production that the first connecting groove 3 that is link up by second connecting groove 24 again enters into wax liquid storage shell 4 produces and accumulates, utilize the flow characteristic of the liquid after the wax liquid melts to reach the effect that automatic collection is accumulated.
The working principle is that in the working process, in the process of installing the first installing shell 1 and the second installing shell 2, a worker uses the two connecting push plates 26 to linkage control the second sliding block 19 at the bottom of the connecting rod 9 fixedly connected with the side surface of the L-shaped extension rod 25 to move to the position of the second fixing block 16, in the moving process, the first sliding block 18 fixedly connected with the first spring 17 fixedly installed on the side surface of the second fixing block 16 generates a pushing force, in the pushing process, the first spring 17 is compressed to shrink and slide from the surface of the fixed cross post 14 fixedly installed on the inner wall of the wall groove 21 arranged on the extension casing 13, in the meanwhile, the telescopic rod 10 fixedly connected with the side surface of the connecting rod 9 stretches and retracts in the telescopic casing 11 fixedly installed on the first fixing block 12 fixedly installed on the side surface of the first installing shell 1 until the sliding groove 20 arranged on the first sliding block 18 is not contacted with the surface of the fixed cross post 14, so that the indirect second sliding block 19 slides down from the inclined plane of the connecting circular truncated cone 15 on the side surface of the fixed transverse column 14, after the two connecting push plates 26 are loosened, the first spring 17 loses force limitation to drive the first sliding block 18 to rebound, the sliding groove 20 formed in the first sliding block 18 slides on the surface of the fixed transverse column 14 and drives the second sliding block 19 to slide on the surface of the fixed transverse column 14 in the rebounding process, the first spring 17 and the first sliding block 18 are utilized to limit the second sliding block 19, so that the first mounting shell 1 and the second mounting shell 2 are mounted, when the sucker rods on the inner walls of the first mounting shell 1 and the second mounting shell 2 deviate, the arc-shaped jointing plate 28 jointed on the surface of the sucker rod drives the side surface extending cylinder 33 to swing up and down, the two extending blocks 30 jointed on the surface in the swinging process extrude the second spring 31 on the side surface of the fixed square plate 32 fixedly connected with the inner wall of the mounting groove 23, meanwhile, the connecting ring block 34 fixedly mounted on the side surface of the extending cylinder 33 slides on the surface of the arc-shaped limiting block 35 fixedly mounted on the connecting vertical plate 27 fixedly connected with the inner wall of the fixed square plate 32, the sucker rod attached to the extending cylinder 33 on the side surface of the extending cylinder 33 is automatically corrected by the elastic recovery of the second spring 31, the wax is melted by the wax precipitation phenomenon generated on the inner walls of the first mounting shell 1 and the second mounting shell 2 by using the high temperature generated in the mining process, the melted wax enters from the second connecting groove 24 formed on the inner walls of the first mounting shell 1 and the second mounting shell 2, then enters from the first connecting groove 3 penetrated by the second connecting groove 24 into the wax liquid storage shell 4 to be accumulated, and then the wax liquid storage shell 4 is upwards drawn out from the included angle formed by the arc-shaped limiting clamping plates 5 on the top of the fixed plates 8 fixedly connected with the bottom of the first mounting shell 1 and the second mounting shell 2 and the bottom of the first mounting shell 1 and the second mounting shell 2, so as to uniformly clean the wax liquid collected in the wax liquid storage shell 4.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an anticreep rod-type sucker rod centralizer, its characterized in that, includes first installation casing (1) and second installation casing (2), the both sides of second installation casing (2) are provided with installation device (7) respectively, installation device (7) are including extending cover shell (13), fixed spreader (14), connect round platform (15), second fixed block (16), first spring (17), first sliding block (18), second sliding block (19), spout (20) and wall groove (21), the both sides of second installation casing (2) fixedly connected with respectively extend cover shell (13), wall groove (21) have been seted up to the side of extending cover shell (13), the inside bottom fixedly connected with first spring (17) of wall groove (21), the one end fixedly connected with first sliding block (18) of first spring (17), spout (20) have been seted up to the side of first sliding block (18), the inside sliding connection of spout (20) has fixed spreader (14), one side fixedly connected with of fixed spreader (14) extends cover shell (13), the one end fixedly connected with round platform (15) of cover shell (13) is connected with.
2. The anti-drop rod type sucker rod centralizer of claim 1, which is characterized in that: mounting groove (23) have all been seted up to the inner wall of first installation casing (1) and second installation casing (2), the inside of mounting groove (23) is provided with orthotic devices (22), orthotic devices (22) are including arc laminating board (28), arc block groove (29), extend square (30), second spring (31), fixed square (32), extend cylinder (33) and connecting ring piece (34), the both sides of mounting groove (23) inner wall are fixedly connected with fixed square (32) respectively, the side fixed mounting of fixed square (32) has second spring (31), one side fixed mounting of second spring (31) has extension square (30), arc laminating groove (29) have been seted up to the side of extending square (30), the inside laminating of arc block groove (29) has extension cylinder (33), one side fixed mounting of extending cylinder (33) has connecting ring piece (34), one side fixed mounting of extending cylinder (33) has arc laminating board (28).
3. The anti-drop rod type sucker rod centralizer of claim 1, which is characterized in that: the surface of first installation casing (1) and second installation casing (2) all is provided with wax liquid collection device (6), wax liquid collection device (6) are including wax liquid storage shell (4), the spacing cardboard of arc (5) and fixed plate (8), the equal fixedly connected with fixed plate (8) in bottom of first installation casing (1) and second installation casing (2), the top fixed mounting of fixed plate (8) has the spacing cardboard of arc (5), the side laminating of the spacing cardboard of arc (5) has wax liquid storage shell (4).
4. The rod anti-drop centralizer of claim 1, wherein: the side fixed connection of first installation casing (1) has first fixed block (12), the both sides of first fixed block (12) are fixed mounting respectively and have flexible cover shell (11), the inside sliding connection of flexible cover shell (11) has telescopic link (10), the side fixedly connected with connecting rod (9) of telescopic link (10), the bottom fixedly connected with second sliding block (19) of connecting rod (9), the inside sliding connection of second sliding block (19) has fixed spreader (14).
5. The rod centralizer of claim 4, wherein: the side fixedly connected with L shape extension rod (25) of connecting rod (9), the side fixed mounting of L shape extension rod (25) has connection push pedal (26).
6. The anti-drop rod type sucker rod centralizer of claim 2, characterized in that: the mounting groove (23) is characterized in that connecting vertical plates (27) are fixedly connected to two sides of the inner wall of the mounting groove (23) respectively, arc limiting blocks (35) are fixedly mounted on the side faces of the connecting vertical plates (27), and connecting ring blocks (34) are connected to the surfaces of the arc limiting blocks (35) in a sliding mode.
7. The anti-drop rod type sucker rod centralizer of claim 3, characterized in that: first connecting groove (3) and second connecting groove (24) have all been seted up to the inner wall of first installation casing (1) and second installation casing (2), first connecting groove (3) and second connecting groove (24) link up.
CN202210915043.7A 2022-07-30 2022-07-30 Anti-drop rod type sucker rod centralizer Pending CN115162971A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210915043.7A CN115162971A (en) 2022-07-30 2022-07-30 Anti-drop rod type sucker rod centralizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210915043.7A CN115162971A (en) 2022-07-30 2022-07-30 Anti-drop rod type sucker rod centralizer

Publications (1)

Publication Number Publication Date
CN115162971A true CN115162971A (en) 2022-10-11

Family

ID=83477110

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210915043.7A Pending CN115162971A (en) 2022-07-30 2022-07-30 Anti-drop rod type sucker rod centralizer

Country Status (1)

Country Link
CN (1) CN115162971A (en)

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