CN111878005A - Quick-release quick-change sucker rod centralizer and method - Google Patents
Quick-release quick-change sucker rod centralizer and method Download PDFInfo
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- CN111878005A CN111878005A CN202010794092.0A CN202010794092A CN111878005A CN 111878005 A CN111878005 A CN 111878005A CN 202010794092 A CN202010794092 A CN 202010794092A CN 111878005 A CN111878005 A CN 111878005A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000011111 cardboard Substances 0.000 claims abstract description 8
- 230000003139 buffering effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000295 complement effect Effects 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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- 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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- 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
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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 discloses a quick-release quick-change sucker rod centralizer and a method, and the technical scheme is as follows: the device comprises a first semicircular plate and a second semicircular plate, wherein auxiliary mechanisms are arranged in the first semicircular plate and the second semicircular plate and extend out of the first semicircular plate and the second semicircular plate; the auxiliary mechanism comprises six clamping plates which are arranged inside the first semicircular plate and the second semicircular plate, the six clamping plates are combined into a hollow cylinder, and clamping components are arranged on the six clamping plates, so that the auxiliary mechanism has the beneficial effects that: through the design of complementary unit, can be quick dismantle and install first semicircle ring board and second semicircle ring board, it is also very convenient when dismantling and installing six cardboards simultaneously, can directly install in the axle center outside, reduced the installation of beam hanger centralizer and the time of dismantling, guaranteed the normal work efficiency in axle center, convenient to use person's use.
Description
Technical Field
The invention relates to the field of petroleum production equipment, in particular to a quick-release quick-change sucker rod centralizer and a method.
Background
The sucker rod centralizer is a tool for preventing the eccentric wear of the oil pumping well, is suitable for the eccentric wear of the oil pumping well, in particular to the eccentric wear of the oil pumping well above the neutral point and the directional inclined well, the lower part of the neutral point of the sucker rod is matched with the nylon centralizer on the sucker rod body, the eccentric wear prevention effect is better, the sucker rod moves up and down in the oil pipe, the rod and the oil pipe wall are easy to generate friction due to the elastic deformation of the sucker rod, the sucker rod is easy to break off, the sucker rod centralizer has strong flexibility and can be contacted with the inner wall of the oil pipe, the friction between the rod and the pipe can be reduced, the oil extraction life of the oil pumping unit is prolonged, the sucker rod centralizer is connected to the sucker rod, the outer diameter of the centralizing sleeve is larger than the outer diameter of a sucker rod coupling, the centralizing sleeve is made of high-strength wear-resistant material and is contacted with the oil pipe to, the outer diameter of the centering sleeve is larger than the outer diameter of a coupling of the sucker rod to play a role in centering, the coupling type sucker rod centering device is more commonly used, the middle part of the centering device is a mandrel rod body, special threads for the sucker rod are designed at two ends of the rod body, the sucker rod is connected with an upper sucker rod and a lower sucker rod, an upper gland is connected with the mandrel through threads, the mandrel can be screwed up and down, a rotatable centering sleeve is installed on the mandrel rod body, the upper gland is arranged, and the two ends of the mandrel rod are provided with glands which can limit the.
The prior art has the following defects: when the sucker rod centralizer in the prior art is used, the effect of centralizing and reducing abrasion can be played for the mandrel, but the sucker rod centralizer in the prior art is troublesome to disassemble and install when in use, a large amount of time needs to be consumed to install the sucker rod centralizer before the sucker rod centralizer is used, meanwhile, the sucker rod centralizer needs to be disassembled for a long time after a user finishes, the working efficiency of the mandrel is reduced, and the use of the user is inconvenient.
Therefore, it is necessary to invent a quick-release and quick-change sucker rod centralizer and a method thereof.
Disclosure of Invention
Therefore, the quick-release quick-change sucker rod centralizer and the method thereof provided by the invention have the advantages that through the design of the auxiliary mechanism, the first semicircular ring plate and the second semicircular ring plate can be quickly disassembled and assembled, meanwhile, the six clamping plates are also very convenient to disassemble and assemble, the oil rod centralizer can be directly assembled outside the axis, the assembling and disassembling time of the oil rod centralizer is reduced, the normal working efficiency of the axis is ensured, the use by a user is facilitated, and the problem that the oil rod centralizer in the prior art is troublesome to disassemble and assemble in use is solved.
In order to achieve the above purpose, the invention provides the following technical scheme: a quick-release quick-change sucker rod centralizer comprises a first semicircular ring plate and a second semicircular ring plate, wherein auxiliary mechanisms are arranged inside the first semicircular ring plate and the second semicircular ring plate and extend out of the first semicircular ring plate and the second semicircular ring plate;
the auxiliary mechanism comprises six clamping plates which are all arranged inside a first semicircular plate and a second semicircular plate, the six clamping plates are combined into a hollow cylinder, clamping components are arranged on the six clamping plates, telescopic rods are fixedly arranged outside the clamping plates, springs are arranged outside the telescopic rods, six sliding grooves are formed in the first semicircular plate and the second semicircular plate, sliding blocks are fixedly arranged outside the six telescopic rods, and the six sliding blocks are respectively arranged inside the six sliding grooves;
the clamping component comprises a first connecting block, the first connecting block is fixedly arranged on one side of the clamping plate, a first connecting groove is formed in the other side of the first connecting block, and the cross sections of the first connecting groove and the first connecting block are trapezoidal.
Preferably, a plurality of balls are arranged outside the first semicircular plate and the second semicircular plate.
Preferably, a clamping block is fixedly arranged on one side of the first semicircular ring plate, and a clamping groove is formed in one side of the second semicircular ring plate.
Preferably, the clamping block is arranged in the clamping groove.
Preferably, the first semicircular ring plate front side is equipped with first apron, the second semicircular ring plate front side is equipped with the second apron.
Preferably, the first cover plate and the second cover plate are both provided with two hexagon bolts, and the two hexagon bolts respectively penetrate through the cover plates and are in threaded connection with the first semicircular plate and the second semicircular plate and the first semicircular plate and the second semicircular plate.
Preferably, the top of the spring is fixedly connected with the top of the telescopic rod, and the bottom of the spring is fixedly connected with the bottom of the telescopic rod.
Preferably, the clamping component comprises a second connecting block, the second connecting block is fixedly arranged on one side of the clamping plate, a second connecting groove is formed in the other side of the second connecting block, and the cross sections of the second connecting groove and the second connecting block are both T-shaped.
The invention provides a use method of a quick-release quick-change sucker rod centralizer, which comprises the following steps:
firstly, a first connecting block (8) on one side of a clamping plate (3) slides into a first connecting groove (9) on one side of another clamping plate (3), then the six clamping plates (3) are mutually clamped, the first clamping plate (3) is clamped with the second clamping plate (3), the second clamping plate (3) is clamped with the third clamping plate (3), the third clamping plate (3) is clamped with the fourth clamping plate (3), the fourth clamping plate (3) is clamped with the fifth clamping plate, the fifth clamping plate (3) is clamped with the sixth clamping plate (3), the sixth clamping plate (3) is clamped with the first clamping plate (3), and the six clamping plates (3) are combined into a gap cylinder;
when being installed, the axis is positioned between the six clamping plates (3), and simultaneously the axis is positioned inside the hollow cylinder, then a clamping block (11) at one side of the first semicircular plate (1) is placed into a clamping groove (12) of the second semicircular plate (2), then the slide blocks (7) at one side of the six telescopic rods (4) are respectively placed in the six clamping grooves (12) on the first semicircular plate (1) and the second semicircular plate (2), then a first cover plate (13) and a second cover plate (14) are placed on the front sides of the first semicircular plate (1) and the second semicircular plate (2), the first cover plate (13) and the first semicircular plate (1), the second cover plate (14) and the second semicircular plate (2) are fixed through four hexagon bolts (15), the six sliding blocks (7) can be fixed through the cover plate, so that the sliding blocks (7) are prevented from moving out of the sliding groove (6) when in use;
when the oil rod centralizer is used, the structure of the spring (5) and the telescopic rod (4) is designed, the axle center can be supported, meanwhile, when the axle center moves in the six clamping plates (3), the telescopic rod (4) and the spring (5) can also play a role of buffering the axle center, further the friction between the axle center and a sleeve can be reduced, through the design of a plurality of balls (10), the first semicircular plate (1) and the second semicircular plate (2) can be assisted, so that the first semicircular plate (1) and the second semicircular plate (2) can move more smoothly, through the design of an auxiliary mechanism, the first semicircular plate (1) and the second semicircular plate (2) can be quickly disassembled and assembled, meanwhile, the six clamping plates (3) can be disassembled and assembled very conveniently, the oil rod centralizer can be directly assembled outside the axle center, the time for assembling and disassembling of the oil rod centralizer is reduced, the normal work efficiency in axle center has been guaranteed, convenient to use person's use also can play the effect of a buffering for the axle center through telescopic link (4) and spring (5), and then reducible axle center and telescopic friction, through the design of a plurality of balls (10), can play an auxiliary effect to first semicircle ring board (1) and second semicircle ring board (2) for first semicircle ring board (1) and second semicircle ring board (2) remove more smoothly.
The invention has the beneficial effects that:
1. according to the invention, through the design of the auxiliary mechanism, the first semicircular plate and the second semicircular plate can be rapidly disassembled and installed, meanwhile, the six clamping plates are also extremely convenient to disassemble and install, and can be directly installed outside the axle center, so that the time for installing and disassembling the oil rod centralizer is reduced, the normal working efficiency of the axle center is ensured, the use of a user is convenient, the telescopic rod and the spring can also play a role in buffering the axle center, further the friction between the axle center and the sleeve can be reduced, through the design of a plurality of balls, the first semicircular plate and the second semicircular plate can be assisted, and the first semicircular plate and the second semicircular plate can move more smoothly;
2. according to the invention, through the design of the clamping assembly, the six clamping plates are more convenient to mount and dismount, and meanwhile, the clamping plates are fixedly connected with the first semicircular plate and the second semicircular plate through the telescopic rods, so that the clamping plates can be fixed, the second connecting block can be prevented from moving out of the second connecting groove when the connecting device is used, and the normal use of the connecting device is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a front view of a first semi-circular ring plate and a second semi-circular ring plate provided by the present invention;
FIG. 3 is a perspective view of a card provided by the present invention;
FIG. 4 is a perspective view of a second semi-circular ring plate provided in accordance with the present invention;
FIG. 5 is a perspective view of a first semi-circular ring plate provided in accordance with the present invention;
FIG. 6 is a front view of example 2 provided by the present invention;
in the figure: 1 first semicircle ring board, 2 second semicircle ring boards, 3 cardboard, 4 telescopic links, 5 springs, 6 spouts, 7 sliders, 8 first connecting blocks, 9 first connecting grooves, 10 balls, 11 fixture blocks, 12 draw-in grooves, 13 first apron, 14 second apron, 15 hex bolts, 16 second connecting blocks, 17 second connecting grooves.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
the auxiliary mechanism comprises six clamping plates 3, the six clamping plates 3 are all arranged inside a first semicircular plate 1 and a second semicircular plate 2, the six clamping plates 3 are combined into a hollow cylinder, clamping components are arranged on the six clamping plates 3, a telescopic rod 4 is fixedly arranged outside the clamping plates 3, a spring 5 is arranged outside the telescopic rod 4, six sliding grooves 6 are formed in the first semicircular plate 1 and the second semicircular plate 2, sliding blocks 7 are fixedly arranged outside the six telescopic rods 4, and the six sliding blocks 7 are respectively arranged inside the six sliding grooves 6;
the joint subassembly includes first connecting block 8, 3 one sides of cardboard are fixed to first connecting block 8, first connecting groove 9 has been seted up to 8 opposite sides of first connecting block, first connecting groove 9 and 8 cross sectional shapes of first connecting block are all established to trapezoidal.
Further, the plurality of balls 10 are arranged outside the first semicircular plate 1 and the second semicircular plate 2, and the design of the plurality of balls 10 can assist the first semicircular plate 1 and the second semicircular plate 2, so that the first semicircular plate 1 and the second semicircular plate 2 can move more smoothly.
Further, first semicircle ring plate 1 one side is fixed and is equipped with fixture block 11, draw-in groove 12 has been seted up to second semicircle ring plate 2 one side, is convenient for first semicircle ring plate 1 and 2 joints of second semicircle ring plate.
Further, inside the draw-in groove 12 was located to fixture block 11, can be quick dismantle and install first semicircle ring board 1 and second semicircle ring board 2, also very convenient when making simultaneously dismantle and six cardboard 3 of installation.
Further, a first cover plate 13 is arranged on the front side of the first semicircular plate 1, and a second cover plate 14 is arranged on the front side of the second semicircular plate 2.
Further, all be equipped with two hex bolts 15 on first apron 13 and the second apron 14, two hex bolts 15 run through the apron respectively and pass through threaded connection with first semicircle ring board 1 and second semicircle ring board 2 and with first semicircle ring board 1 and second semicircle ring board 2, be convenient for fix first semicircle ring board 1 and second semicircle ring board 2, can also fix slider 7 simultaneously.
Further, 5 tops of springs and 4 top fixed connection of telescopic link, 5 bottoms of springs and 4 bottoms fixed connection of telescopic link, the spring 5 of being convenient for is fixed, through the design of spring 5 and telescopic link 4 isotructures, can play a supporting effect to the axle center, and when the axle center was removed in six cardboard 3 insides, also can play a buffering effect for the axle center through telescopic link 4 and spring 5 simultaneously, and then reducible axle center and telescopic friction.
The invention provides a use method of a quick-release quick-change sucker rod centralizer, which comprises the following steps:
firstly, a first connecting block 8 at one side of a clamping plate 3 slides into a first connecting groove 9 at one side of another clamping plate 3, then six clamping plates 3 are mutually clamped, the first clamping plate 3 is clamped with the second clamping plate 3, the second clamping plate 3 is clamped with the third clamping plate 3, the third clamping plate 3 is clamped with the fourth clamping plate 3, the fourth clamping plate 3 is clamped with the fifth clamping plate 3, the fifth clamping plate 3 is clamped with the sixth clamping plate 3, the sixth clamping plate 3 is clamped with the first clamping plate 3, so that the six clamping plates 3 are combined into a gap cylinder, when the clamping device is installed, the axis is positioned between the six clamping plates 3, the axis is positioned in the hollow cylinder, then a clamping block 11 at one side of a first semicircular plate 1 is placed into a clamping groove 12 of a second semicircular plate 2, and then slide blocks 7 at one side of six telescopic rods 4 are respectively placed in six clamping grooves 12 on the first semicircular plate 1 and the second semicircular plate 2, then a first cover plate 13 and a second cover plate 14 are placed on the front sides of the first semicircular plate 1 and the second semicircular plate 2, the first cover plate 13, the first semicircular plate 1, the second cover plate 14 and the second semicircular plate 2 are fixed through four hexagonal bolts 15, six sliding blocks 7 can be fixed through the cover plates, and the sliding blocks 7 are prevented from moving out of the sliding groove 6 when in use, when the invention is in use, the shaft center can be supported through the structural design of the spring 5, the telescopic rod 4 and the like, meanwhile, when the shaft center moves in the six clamping plates 3, the telescopic rod 4 and the spring 5 can also play a buffering role on the shaft center, so that the friction between the shaft center and a sleeve can be reduced, through the design of a plurality of balls 10, the auxiliary role can be played on the first semicircular plate 1 and the second semicircular plate 2, so that the first semicircular plate 1 and the second semicircular plate 2 can move more smoothly, through the design of complementary unit, can be quick dismantle and the installation first semicircle ring plate 1 and second semicircle ring plate 2, it is also very convenient when dismantling and installing six cardboard 3 simultaneously, can directly install in the axle center outside, the installation that has reduced the oil pole centralizer and the time of dismantling, the normal work efficiency in axle center has been guaranteed, convenient to use person's use, also can play a buffering effect for the axle center through telescopic link 4 and spring 5, and then reducible axle center and telescopic friction, design through a plurality of balls 10, can play an auxiliary effect to first semicircle ring plate 1 and second semicircle ring plate 2, make first semicircle ring plate 1 and second semicircle ring plate 2 more smooth and easy that remove.
In embodiment 2, referring to fig. 6, the quick-release and quick-change sucker rod centralizer provided by the invention comprises a clamping assembly, wherein the clamping assembly comprises a second connecting block 16, the second connecting block 16 is fixedly arranged on one side of the clamping plate 3, a second connecting groove 17 is formed in the other side of the second connecting block 16, the cross sections of the second connecting groove 17 and the second connecting block 16 are both T-shaped, and the six clamping plates 3 are more convenient to mount and dismount through the design of the clamping assembly.
The invention provides a use method of a quick-release quick-change sucker rod centralizer, which comprises the following steps:
when the clamping device is used, the six clamping plates 3 are more convenient to mount and dismount through the design of the clamping component, meanwhile, the clamping plates 3 are fixedly connected with the first semi-circular ring plate 1 and the second semi-circular ring plate 2 through the telescopic rods 4, a fixing effect can be achieved on the clamping plates 3, the second connecting block 16 can be prevented from moving out of the second connecting groove 17 when the clamping device is used, and normal use of the clamping device is guaranteed.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a quick-release quick change sucker rod centralizer, includes first semicircle ring board (1) and second semicircle ring board (2), its characterized in that: an auxiliary mechanism is arranged inside the first semicircular plate (1) and the second semicircular plate (2) and extends out of the first semicircular plate (1) and the second semicircular plate (2);
the auxiliary mechanism comprises six clamping plates (3), the six clamping plates (3) are arranged inside a first semicircular ring plate (1) and a second semicircular ring plate (2), the six clamping plates (3) are combined into a hollow cylinder, clamping components are arranged on the six clamping plates (3), a telescopic rod (4) is fixedly arranged outside the clamping plates (3), a spring (5) is arranged outside the telescopic rod (4), six sliding grooves (6) are formed in the first semicircular ring plate (1) and the second semicircular ring plate (2), sliding blocks (7) are fixedly arranged outside the six telescopic rod (4), and the six sliding blocks (7) are respectively arranged inside the six sliding grooves (6);
the joint subassembly includes first connecting block (8), cardboard (3) one side is fixed to first connecting block (8), first connecting groove (9) have been seted up to first connecting block (8) opposite side, first connecting groove (9) and first connecting block (8) cross sectional shape all establish to trapezoidal.
2. The quick-release quick-change sucker rod centralizer of claim 1 characterized in that: the first semicircular plate (1) and the second semicircular plate (2) are externally provided with a plurality of balls (10).
3. The quick-release quick-change sucker rod centralizer of claim 1 characterized in that: a clamping block (11) is fixedly arranged on one side of the first semicircular plate (1), and a clamping groove (12) is formed in one side of the second semicircular plate (2).
4. The quick-release quick-change sucker rod centralizer of claim 3 characterized in that: the clamping block (11) is arranged in the clamping groove (12).
5. The quick-release quick-change sucker rod centralizer of claim 1 characterized in that: the front side of the first semicircular plate (1) is provided with a first cover plate (13), and the front side of the second semicircular plate (2) is provided with a second cover plate (14).
6. The quick-release quick-change sucker rod centralizer of claim 5, characterized in that: all be equipped with two hex bolts (15) on first apron (13) and second apron (14), two hex bolts (15) run through respectively the apron and pass through threaded connection with first semicircle ring board (1) and second semicircle ring board (2) and with first semicircle ring board (1) and second semicircle ring board (2).
7. The quick-release quick-change sucker rod centralizer of claim 1 characterized in that: the top of the spring (5) is fixedly connected with the top of the telescopic rod (4), and the bottom of the spring (5) is fixedly connected with the bottom of the telescopic rod (4).
8. The quick-release quick-change sucker rod centralizer of claim 1 characterized in that: the joint subassembly includes second connecting block (16), cardboard (3) one side is fixed located in second connecting block (16), second connecting groove (17) have been seted up to second connecting block (16) opposite side, T shape has all been established to second connecting groove (17) and second connecting block (16) cross sectional shape.
9. The use method of the quick-release and quick-change sucker rod centralizer according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
firstly, a first connecting block (8) on one side of a clamping plate (3) slides into a first connecting groove (9) on one side of another clamping plate (3), then six clamping plates (3) are mutually clamped, the first clamping plate (3) is clamped with the second clamping plate (3), the second clamping plate (3) is clamped with the third clamping plate (3), the third clamping plate (3) is clamped with the fourth clamping plate (3), the fourth clamping plate (3) is clamped with the fifth clamping plate, the fifth clamping plate (3) is clamped with the sixth clamping plate (3), the sixth clamping plate (3) is clamped with the first clamping plate (3), and the six clamping plates (3) are combined into a gap cylinder;
when being installed, the axis is positioned between the six clamping plates (3), and simultaneously the axis is positioned inside the hollow cylinder, then a clamping block (11) at one side of the first semicircular plate (1) is placed into a clamping groove (12) of the second semicircular plate (2), then the slide blocks (7) at one side of the six telescopic rods (4) are respectively placed in the six clamping grooves (12) on the first semicircular plate (1) and the second semicircular plate (2), then a first cover plate (13) and a second cover plate (14) are placed on the front sides of the first semicircular plate (1) and the second semicircular plate (2), the first cover plate (13) and the first semicircular plate (1), the second cover plate (14) and the second semicircular plate (2) are fixed through four hexagon bolts (15), the six sliding blocks (7) can be fixed through the cover plate, so that the sliding blocks (7) are prevented from moving out of the sliding groove (6) when in use;
when the oil rod centralizer is used, the structure of the spring (5) and the telescopic rod (4) is designed, the axle center can be supported, meanwhile, when the axle center moves in the six clamping plates (3), the telescopic rod (4) and the spring (5) can also play a role of buffering the axle center, further the friction between the axle center and a sleeve can be reduced, through the design of a plurality of balls (10), the first semicircular plate (1) and the second semicircular plate (2) can be assisted, so that the first semicircular plate (1) and the second semicircular plate (2) can move more smoothly, through the design of an auxiliary mechanism, the first semicircular plate (1) and the second semicircular plate (2) can be quickly disassembled and assembled, meanwhile, the six clamping plates (3) can be disassembled and assembled very conveniently, the oil rod centralizer can be directly assembled outside the axle center, the time for assembling and disassembling of the oil rod centralizer is reduced, the normal work efficiency in axle center has been guaranteed, convenient to use person's use also can play the effect of a buffering for the axle center through telescopic link (4) and spring (5), and then reducible axle center and telescopic friction, through the design of a plurality of balls (10), can play an auxiliary effect to first semicircle ring board (1) and second semicircle ring board (2) for first semicircle ring board (1) and second semicircle ring board (2) remove more smoothly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010794092.0A CN111878005A (en) | 2020-08-10 | 2020-08-10 | Quick-release quick-change sucker rod centralizer and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010794092.0A CN111878005A (en) | 2020-08-10 | 2020-08-10 | Quick-release quick-change sucker rod centralizer and method |
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| CN111878005A true CN111878005A (en) | 2020-11-03 |
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| CN202010794092.0A Pending CN111878005A (en) | 2020-08-10 | 2020-08-10 | Quick-release quick-change sucker rod centralizer and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047780A (en) * | 2021-03-10 | 2021-06-29 | 东营市三和石油装备有限公司 | Full-spray-welding high-temperature-resistant anti-corrosion sucker rod with centralizer |
| CN113756729A (en) * | 2021-11-01 | 2021-12-07 | 南通市华业石油机械有限公司 | Bead string type sucker rod abrasion-proof centralizer |
-
2020
- 2020-08-10 CN CN202010794092.0A patent/CN111878005A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047780A (en) * | 2021-03-10 | 2021-06-29 | 东营市三和石油装备有限公司 | Full-spray-welding high-temperature-resistant anti-corrosion sucker rod with centralizer |
| CN113756729A (en) * | 2021-11-01 | 2021-12-07 | 南通市华业石油机械有限公司 | Bead string type sucker rod abrasion-proof centralizer |
| CN113756729B (en) * | 2021-11-01 | 2024-05-07 | 南通市华业石油机械有限公司 | Bead-type sucker rod wear-resistant centralizer |
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Application publication date: 20201103 |