CN110725654B - Combined type sucker rod centralizer - Google Patents
Combined type sucker rod centralizer Download PDFInfo
- Publication number
- CN110725654B CN110725654B CN201911207176.3A CN201911207176A CN110725654B CN 110725654 B CN110725654 B CN 110725654B CN 201911207176 A CN201911207176 A CN 201911207176A CN 110725654 B CN110725654 B CN 110725654B
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- fixedly connected
- rod
- sucker rod
- arc
- centralizer
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
Abstract
The invention relates to a sucker rod centralizer, in particular to a combined type sucker rod centralizer, which comprises a torsion drum, an ear plate, a vertical rail rod, an arc-shaped rod, a V-shaped edge, an inclined connecting rod, a hollow cylinder, an arc-shaped plate and a fastening screw II. Twist reverse the equal fixedly connected with otic placode in the left and right sides of a section of thick bamboo lower part, the equal fixedly connected with of downside of two otic placodes erects the rail pole, both ends difference sliding connection is on two perpendicular rail poles about the arc pole, both ends all have fastening screw II through threaded connection about the arc pole, two fastening screw II push up respectively on two perpendicular rail poles, both ends all articulate to be connected with oblique connecting rod about the arc pole, be provided with two about the arc pole, the outside of two arc poles all is provided with the V-arrangement arris, the most advanced of V-arrangement arris is downward, the empty core section of thick bamboo of the equal fixedly connected with in upper portion of two inboard arc poles, two empty core section of thick bamboo sliding connection respectively are.
Description
Technical Field
The invention relates to a sucker rod centralizer, in particular to a combined type sucker rod centralizer.
Background
The utility model discloses a sucker rod centralizer made of hybrid fiber reinforced thermosetting resin composite material, which comprises a sucker rod centralizer main body, an anti-abrasion edge arranged on the outer surface of the sucker rod centralizer main body and an abrasion-resistant layer coated on the surface of the anti-abrasion edge; the sucker rod centralizer main body, the anti-abrasion edges and the anti-abrasion layer are made of continuous fiber two-dimensional fabric laminated reinforced thermosetting resin; the sucker rod centralizer main body is a symmetrical two-half structure, and the symmetrical two-half structure of the centralizer completes the functions of involution and fixation through an embedded metal sliding groove and a metal buckle. The utility model discloses a centralizer main part material adopts hybrid fiber two dimension fabric preimpregnation thermosetting resin laminated structure, has that intensity is high, the rigidity is big, wear resistance is high, corrosion-resistant, high temperature resistant, long service life's comprehensive advantage, can extensively be applicable to the downhole work of bandlet formula sucker rod. But the device does not facilitate the dredging of the tubing.
Disclosure of Invention
The invention provides a composite sucker rod centralizer, which has the beneficial effects that the centralizer is convenient to move up and down in an oil pipe and can dredge the oil pipe.
The invention relates to a sucker rod centralizer, in particular to a combined type sucker rod centralizer, which comprises a torsion drum, an ear plate, a vertical rail rod, an arc-shaped rod, a V-shaped edge, an inclined connecting rod, a hollow cylinder, an arc-shaped plate and a fastening screw II.
The equal fixedly connected with otic placode in the left and right sides of twisting cylinder lower part, the equal fixedly connected with of downside of two otic placodes erects the rail pole, both ends difference sliding connection is on two perpendicular rail poles about the arc pole, both ends all have fastening screw II through threaded connection about the arc pole, two fastening screw II push up respectively on two perpendicular rail poles, both ends all articulate to be connected with oblique connecting rod about the arc pole, be provided with two about the arc, the outside of two arcs all is provided with the V-arrangement arris, the most advanced of V-arrangement arris is downward, the equal hollow section of thick bamboo of fixedly connected with in upper portion of two arc inboard, two hollow section of thick bamboos respectively sliding connection are on two otic placodes, the upper end of two oblique connecting rods articulates respectively on two hollow sections.
The combined type sucker rod centralizer further comprises a rotating wheel and rotating wheel frames, the rotating wheel frames are fixedly connected to the lower portions of the two arc-shaped plates, and the rotating wheel frames are rotatably connected with the rotating wheel.
The composite sucker rod centralizer also comprises a sliding cylinder, an annular edge, a connecting column and a circular baffle, round bar, the rectangle frame, the contact plate, bolt and poker rod, the upper portion fixedly connected with ring edge of slide cartridge, the lower part fixedly connected with bolt of slide cartridge, it connects in the outside of slide cartridge to twist reverse the section of thick bamboo cover, it is located between ring edge and the bolt to twist reverse the section of thick bamboo, the front side fixedly connected with poker rod of turning round the rotary drum, the front side of ring edge is connected with the rectangle frame through the spliced pole, the equal sliding connection in the left and right sides of rectangle frame has the round bar, the equal fixedly connected with contact plate in inboard of two round bars, the equal sliding connection in inboard of rectangle frame of two contact plates, compression spring I has all been cup jointed on two round bars, two compression spring I all are located the inboard of rectangle frame, the equal fixedly connected with circular separation blade in outer end of two round bars, two circular separation blade all are located.
The combined type sucker rod centralizer further comprises a sleeve, a stop block, a top ring and a vertical edge, wherein the vertical edge is axially arranged on the upper portion of the sleeve, the stop block is fixedly connected to the lower portion of the vertical edge, the top ring is fixedly connected to the upper end of the sleeve, a sliding barrel is sleeved on the upper portion of the sleeve, the sliding barrel is connected to the vertical edge in a sliding mode and located between the stop block and the top ring, a compression spring II is sleeved on the upper portion of the sleeve, and the compression spring II is located between the top ring and the circular edge.
The combined type sucker rod centralizer further comprises convex plates and fastening screws I, the two convex plates are oppositely arranged on the upper side of the top ring, and the two convex plates are connected with the fastening screws I through threads.
The combined type sucker rod centralizer further comprises a bottom ring and contact rods, the bottom ring is fixedly connected to the lower portion of the casing, the contact rods are hinged to the front end and the rear end of the upper side of the bottom ring, and the relative positions of the two contact rods and the bottom ring can be fixed.
The composite sucker rod centralizer also comprises a support rod, a limit ring, a threaded rod and a downward extending plate, the slide opening, smooth cylinder, the hollow section of thick bamboo of rectangle and telescopic link, all be provided with the slide opening on two contact levers, the upside fixedly connected with bracing piece of foundation ring, the middle part fixed connection of the hollow section of thick bamboo of rectangle is on the upper portion of bracing piece, the equal sliding connection in both ends has the telescopic link around the hollow section of thick bamboo of rectangle, the equal sliding connection in outer end of two telescopic links slides the cylinder, two slide the cylinder respectively sliding connection on two slide openings, the board is stretched down to the equal fixedly connected with of downside of two telescopic links, the middle part of threaded rod is rotated and is connected on the bracing piece, two spacing rings of middle part fixedly connected with of threaded rod, two spacing rings are located the front and back both sides of bracing piece respectively, the screw thread at both ends revolves to.
And the arc-shaped plate and the contact rod are coated with anti-abrasion coatings.
The composite sucker rod centralizer has the beneficial effects that:
the combined sucker rod centralizer is convenient to move up and down in an oil pipe and can dredge the oil pipe. The arc-shaped rods can vertically slide on the two vertical rail rods, the arc-shaped rods can be fixed on the two vertical rail rods by rotating the two fastening screws II, and the two hollow cylinders can be respectively driven to mutually approach or keep away from sliding through the two inclined connecting rods when the arc-shaped rods vertically slide, so that the two arc-shaped plates are driven to mutually approach or keep away from sliding; during the use, will twist reverse the barrel casing on the sucker rod, all insert in oil pipe and constantly deepen in oil pipe with sucker rod and centralizer, adjust the interval between two arcs, make the left and right sides contact of two arcs and oil pipe inner wall, adapt to not unidimensional oil pipe, right along with two arcs to the sucker rod, and along with moving down of two arcs, the most advanced of the V-arrangement arris on two arcs is downward, most advanced decurrent V-arrangement arris is constantly dredged in the oil pipe, the most advanced of V-arrangement arris is downward, be convenient for constantly deepen.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of a composite sucker rod centralizer of the present invention;
FIG. 2 is a schematic view of the overall structure of a composite sucker rod centralizer of the present invention;
FIG. 3 is a schematic structural view of the bushing;
FIG. 4 is a first schematic structural diagram of the slide drum;
FIG. 5 is a second schematic structural view of the slide cylinder;
FIG. 6 is a schematic structural view of a twist drum;
FIG. 7 is a first schematic view of an arc rod;
FIG. 8 is a second schematic structural view of an arcuate rod;
fig. 9 is a schematic structural view of the bottom ring.
In the figure: a sleeve 1; a stopper 101; a top ring 102; a convex plate 103; a fastening screw I104; vertical edges 105; a slide cylinder 2; an annular ridge 201; a connecting column 202; a circular stopper 203; a round bar 204; a rectangular frame 205; a contact plate 206; a plug pin 207; twisting the drum 3; a tap lever 301; an ear plate 302; a vertical rail bar 303; an arc-shaped rod 4; a V-shaped ridge 401; a diagonal connecting rod 402; a hollow cylinder 403; an arcuate plate 404; a wheel 405; a wheel carrier 406; a fastening screw II 407; a bottom ring 5; a support bar 501; a stop collar 502; a threaded rod 503; a down-extending plate 504; a slide hole 505; a contact stem 506; a sliding cylinder 507; a rectangular hollow cylinder 508; an extension rod 509.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 9, and the invention relates to a sucker rod centralizer, and more specifically to a composite sucker rod centralizer, which comprises a torsion drum 3, an ear plate 302, a vertical rail 303, an arc rod 4, a V-shaped ridge 401, an inclined connecting rod 402, a hollow cylinder 403, an arc plate 404 and a fastening screw II 407.
Turn round equal fixedly connected with otic placode 302 in the left and right sides of rotary drum 3 lower part, the equal fixedly connected with vertical rail pole 303 of downside of two otic placodes 302, both ends sliding connection respectively is on two vertical rail poles 303 about curved bar 4, both ends all have fastening screw II407 through threaded connection about curved bar 4, two fastening screw II407 push up respectively on two vertical rail poles 303, both ends all articulate and are connected with oblique connecting rod 402 about curved bar 4, be provided with two about curved plate 404, the outside of two curved plates 404 all is provided with V-arrangement arris 401, the pointed end of V-arrangement arris 401 is down, the equal fixedly connected with hollow section of thick bamboo 403 in upper portion of two curved plates 404 inboards, two hollow section of thick bamboos sliding connection respectively is on two otic placodes 302, the upper end of two oblique connecting rod 402 articulates respectively on two hollow section of thick bamboos 403. The arc-shaped rod 4 can vertically slide on the two vertical rail rods 303, the arc-shaped rod 4 can be fixed on the two vertical rail rods 303 by rotating the two fastening screws II407, and when the arc-shaped rod 4 vertically slides, the two hollow cylinders 403 can be respectively driven to mutually approach or keep away from sliding through the two inclined connecting rods 402, so that the two arc-shaped plates 404 are driven to mutually approach or keep away from sliding; during the use, will turn round rotary drum 3 cover on the sucker rod, all insert in oil pipe and constantly deepen in oil pipe with sucker rod and centralizer, adjust the interval between two arc 404, make the left and right sides contact of two arc 404 and oil pipe inner wall, adapt to not unidimensional oil pipe, right along with two arc 404 to the sucker rod, and along with moving down of two arc 404, the most advanced downwards of the V-arrangement arris 401 on two arc 404, most advanced decurrent V-arrangement arris 401 constantly dredges in the oil pipe, the most advanced downwards of V-arrangement arris 401, be convenient for constantly deepen.
The second embodiment is as follows:
the following describes the present embodiment with reference to fig. 1 to 9, the composite sucker rod centralizer further includes a rotating wheel 405 and a rotating wheel frame 406, the rotating wheel frame 406 is fixedly connected to the lower portions of the two arc plates 404, and the rotating wheel 405 is rotatably connected to the two rotating wheel frames 406. The wheels 405 also contact the left and right sides of the inner wall of the oil pipe, reducing the friction when the two arcuate plates 404 move down.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 9, the composite sucker rod centralizer further includes a sliding cylinder 2, an annular rib 201, a connecting column 202, a circular blocking piece 203, a circular rod 204, a rectangular frame 205, a contact plate 206, a bolt 207 and a poking rod 301, the upper portion of the sliding cylinder 2 is fixedly connected with the annular rib 201, the lower portion of the sliding cylinder 2 is fixedly connected with the bolt 207, a twisting cylinder 3 is sleeved outside the sliding cylinder 2, the twisting cylinder 3 is located between the annular rib 201 and the bolt 207, the front side of the twisting cylinder 3 is fixedly connected with the poking rod 301, the front side of the annular rib 201 is connected with the rectangular frame 205 through the connecting column 202, the left side and the right side of the rectangular frame 205 are both slidably connected with the circular rods 204, the inner sides of the two circular rods 204 are both fixedly connected with the contact plates 206, the two contact plates 206 are both slidably connected inside the rectangular frame 205, the two circular rods 204 are both sleeved with compression springs I, the outer ends of the two round rods 204 are fixedly connected with circular blocking pieces 203, the two circular blocking pieces 203 are located on the outer sides of the rectangular frames 205, and the poke rod 301 is inserted between the two contact plates 206. With the continuous downward movement of the centralizer, the torsion cylinder 3 can rotate by taking the axis of the sliding cylinder 2 as a shaft, so as to drive the poke rod 301 to rotate by taking the axis of the sliding cylinder 2 as a shaft, when the poke rod 301 rotates, the contact plate 206 on one side is pressed, so as to drive the contact plate 206 and the round rod 204 thereon to slide outwards, a compression spring I on the round rod 204 is compressed, and the poke rod 301 and the torsion cylinder 3 can be returned by the compression spring I; and then make to twist that rotary drum 3 can be forward and reverse rotation a small segment angle on smooth section of thick bamboo 2, when V-arrangement arris 401 on two arcs 404 meets the obstacle that can not dredge, twist that rotary drum 3 can deflect certain angle and dodge, two arcs 404 get back to the normal position afterwards.
The fourth concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 9, the composite sucker rod centralizer further includes a sleeve 1, a stopper 101, a top ring 102 and a vertical rib 105, the vertical rib 105 is axially disposed on the upper portion of the sleeve 1, the stopper 101 is fixedly connected to the lower portion of the vertical rib 105, the top ring 102 is fixedly connected to the upper end of the sleeve 1, a sliding cylinder 2 is sleeved on the upper portion of the sleeve 1, the sliding cylinder 2 is slidably connected to the vertical rib 105, the sliding cylinder 2 is located between the stopper 101 and the top ring 102, a compression spring II is sleeved on the upper portion of the sleeve 1, and the compression spring II is located between the top ring 102 and the ring rib 201. The sliding cylinder 2 can vertically slide on the sleeve 1, and because the vertical edge 105 is arranged on the sleeve 1, the sliding cylinder 2 cannot rotate relative to the sleeve 1, and along with the continuous downward movement of the two arc-shaped plates 404, when the two arc-shaped plates 404 move downward and impact a foreign object, the sliding cylinder 2 can move upward relative to the sleeve 1, so that the compression spring II is pressed, and the impact is damped by the compression spring II.
The fifth concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 9, the composite sucker rod centralizer further includes two convex plates 103 and fastening screws I104, the two convex plates 103 are oppositely disposed on the upper side of the top ring 102, and the fastening screws I104 are connected to the two convex plates 103 through threads. Two fastening screws I104 can be pressed against the sucker rod to fix the casing 1 on the sucker rod.
The sixth specific implementation mode:
the embodiment is described below with reference to fig. 1 to 9, the composite sucker rod centralizer further includes a bottom ring 5 and contact rods 506, the bottom ring 5 is fixedly connected to the lower portion of the casing 1, the contact rods 506 are hinged to the front and rear ends of the upper side of the bottom ring 5, and the relative positions of the two contact rods 506 and the bottom ring 5 can be fixed.
The seventh embodiment:
the embodiment is described below with reference to fig. 1 to 9, the composite sucker rod centralizer further includes a support rod 501, a limiting ring 502, a threaded rod 503, a downward extending plate 504, a sliding hole 505, a sliding cylinder 507, a rectangular hollow cylinder 508 and a telescopic rod 509, the two contact rods 506 are respectively provided with the sliding hole 505, the upper side of the bottom ring 5 is fixedly connected with the support rod 501, the middle part of the rectangular hollow cylinder 508 is fixedly connected to the upper part of the support rod 501, the front and rear ends of the rectangular hollow cylinder 508 are respectively connected with the telescopic rod 509 in a sliding manner, the outer ends of the two telescopic rods 509 are respectively connected with the sliding cylinder 507 in a sliding manner, the lower sides of the two telescopic rods 509 are respectively connected with the downward extending plate 504 in a sliding manner, the middle part of the threaded rod 503 is rotatably connected to the support rod 501, the middle part of the threaded rod 503 is fixedly connected with the two limiting rings 502, the front and rear ends of the threaded rod 503 have opposite screw threads, and the front and rear ends of the threaded rod 503 are respectively engaged with the two downward extending plates 504 through screw threads. Rotating threaded rod 503 time can drive two and stretch board 504 down and be close to each other or keep away from, and then drive two telescopic links 509 and two smooth cylinder 507 and be close to each other or keep away from, and then drive two contact bars 506 and outwards expand to rotate or inwards draw in and rotate, two arcs 404 support in the left and right sides, two contact bars 506 support in the front and back both sides, and then right and lead the sucker rod, the effect that two contact bars 506 outwards expand to rotate or inwards draw in is the oil pipe that adapts to different sizes.
The specific implementation mode is eight:
the present embodiment is described below with reference to fig. 1-9, wherein the arcuate plate 404 and the contact bar 506 are coated with an anti-wear coating.
The working principle of the invention is as follows: the arc-shaped rod 4 can vertically slide on the two vertical rail rods 303, the arc-shaped rod 4 can be fixed on the two vertical rail rods 303 by rotating the two fastening screws II407, and when the arc-shaped rod 4 vertically slides, the two hollow cylinders 403 can be respectively driven to mutually approach or keep away from sliding through the two inclined connecting rods 402, so that the two arc-shaped plates 404 are driven to mutually approach or keep away from sliding; during the use, will turn round rotary drum 3 cover on the sucker rod, all insert in oil pipe and constantly deepen in oil pipe with sucker rod and centralizer, adjust the interval between two arc 404, make the left and right sides contact of two arc 404 and oil pipe inner wall, adapt to not unidimensional oil pipe, right along with two arc 404 to the sucker rod, and along with moving down of two arc 404, the most advanced downwards of the V-arrangement arris 401 on two arc 404, most advanced decurrent V-arrangement arris 401 constantly dredges in the oil pipe, the most advanced downwards of V-arrangement arris 401, be convenient for constantly deepen. The wheels 405 also contact the left and right sides of the inner wall of the oil pipe, reducing the friction when the two arcuate plates 404 move down. With the continuous downward movement of the centralizer, the torsion cylinder 3 can rotate by taking the axis of the sliding cylinder 2 as a shaft, so as to drive the poke rod 301 to rotate by taking the axis of the sliding cylinder 2 as a shaft, when the poke rod 301 rotates, the contact plate 206 on one side is pressed, so as to drive the contact plate 206 and the round rod 204 thereon to slide outwards, a compression spring I on the round rod 204 is compressed, and the poke rod 301 and the torsion cylinder 3 can be returned by the compression spring I; and then make to twist that rotary drum 3 can be forward and reverse rotation a small segment angle on smooth section of thick bamboo 2, when V-arrangement arris 401 on two arcs 404 meets the obstacle that can not dredge, twist that rotary drum 3 can deflect certain angle and dodge, two arcs 404 get back to the normal position afterwards. The sliding cylinder 2 can vertically slide on the sleeve 1, and because the vertical edge 105 is arranged on the sleeve 1, the sliding cylinder 2 cannot rotate relative to the sleeve 1, and along with the continuous downward movement of the two arc-shaped plates 404, when the two arc-shaped plates 404 move downward and impact a foreign object, the sliding cylinder 2 can move upward relative to the sleeve 1, so that the compression spring II is pressed, and the impact is damped by the compression spring II. Two fastening screws I104 can be pressed against the sucker rod to fix the casing 1 on the sucker rod. Rotating threaded rod 503 time can drive two and stretch board 504 down and be close to each other or keep away from, and then drive two telescopic links 509 and two smooth cylinder 507 and be close to each other or keep away from, and then drive two contact bars 506 and outwards expand to rotate or inwards draw in and rotate, two arcs 404 support in the left and right sides, two contact bars 506 support in the front and back both sides, and then right and lead the sucker rod, the effect that two contact bars 506 outwards expand to rotate or inwards draw in is the oil pipe that adapts to different sizes.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (8)
1. The utility model provides a combined type sucker rod centralizer, is including turning round rotary drum (3), otic placode (302), vertical rail pole (303), curved bar (4), V-arrangement arris (401), oblique connecting rod (402), hollow section of thick bamboo (403), curved plate (404) and fastening screw II (407), its characterized in that: the utility model discloses a turn round equal fixedly connected with otic placode (302) in the left and right sides of rotary drum (3) lower part, the equal fixedly connected with vertical rail pole (303) of downside of two otic placodes (302), both ends sliding connection respectively is on two vertical rail poles (303) about curved pole (4), both ends all have fastening screw II (407) through threaded connection about curved pole (4), two fastening screw II (407) push up respectively on two vertical rail poles (303), both ends all articulate to be connected with oblique connecting rod (402) about curved pole (4), be provided with two about curved plate (404), the outside of two curved plate (404) all is provided with V-arrangement arris (401), the most advanced of V-arrangement arris (401) is down, the equal fixedly connected with hollow section of thick bamboo (403) in upper portion of two curved plate (404) inboard, two hollow section of thick bamboo (403) sliding connection respectively are on two otic placodes (302), the upper end of two oblique connecting rod (402) articulates respectively and connects on two hollow section of thick bamboo (403).
2. The composite sucker rod centralizer of claim 1, wherein: the combined sucker rod centralizer further comprises a rotating wheel (405) and a rotating wheel frame (406), the lower parts of the two arc-shaped plates (404) are fixedly connected with the rotating wheel frame (406), and the two rotating wheel frames (406) are rotatably connected with the rotating wheel (405).
3. The composite sucker rod centralizer of claim 2, wherein: the composite sucker rod centralizer further comprises a sliding cylinder (2), annular ribs (201), connecting columns (202), circular blocking plates (203), circular rods (204), a rectangular frame (205), contact plates (206), bolts (207) and a poking rod (301), wherein the annular ribs (201) are fixedly connected to the upper portion of the sliding cylinder (2), the bolts (207) are fixedly connected to the lower portion of the sliding cylinder (2), a twisting cylinder (3) is sleeved on the outer side of the sliding cylinder (2), the twisting cylinder (3) is located between the annular ribs (201) and the bolts (207), the poking rod (301) is fixedly connected to the front side of the twisting cylinder (3), the rectangular frame (205) is connected to the front side of the annular ribs (201) through the connecting columns (202), the circular rods (204) are slidably connected to the left side and the right side of the rectangular frame (205), the contact plates (206) are fixedly connected to the inner sides of the two circular rods (204), and the two contact plates (206) are slidably connected to the inner, all cup jointed compression spring I on two round bar (204), two compression spring I all are located the inboard of rectangle frame (205), the equal fixedly connected with circular separation blade (203) of the outer end of two round bar (204), and two circular separation blade (203) all are located the outside of rectangle frame (205), and poker rod (301) are inserted between two contact plates (206).
4. The composite sucker rod centralizer of claim 3, wherein: the composite sucker rod centralizer further comprises a sleeve (1), a stop block (101), a top ring (102) and a vertical rib (105), the vertical rib (105) is axially arranged on the upper portion of the sleeve (1), the stop block (101) is fixedly connected to the lower portion of the vertical rib (105), the top ring (102) is fixedly connected to the upper end of the sleeve (1), a sliding cylinder (2) is sleeved on the upper portion of the sleeve (1), the sliding cylinder (2) is slidably connected to the vertical rib (105), the sliding cylinder (2) is located between the stop block (101) and the top ring (102), a compression spring II is sleeved on the upper portion of the sleeve (1), and the compression spring II is located between the top ring (102) and the annular rib (201).
5. The composite sucker rod centralizer of claim 4, wherein: the combined type sucker rod centralizer further comprises convex plates (103) and fastening screws I (104), wherein the two convex plates (103) are oppositely arranged on the upper side of the top ring (102), and the two convex plates (103) are connected with the fastening screws I (104) through threads.
6. The composite sucker rod centralizer of claim 5, wherein: the combined type sucker rod centralizer further comprises a bottom ring (5) and contact rods (506), the bottom ring (5) is fixedly connected to the lower portion of the casing (1), the contact rods (506) are hinged to the front end and the rear end of the upper side of the bottom ring (5), and the relative positions of the two contact rods (506) and the bottom ring (5) are fixed.
7. The composite sucker rod centralizer of claim 6, wherein: the composite sucker rod centralizer further comprises a support rod (501), limiting rings (502), a threaded rod (503), a downward extending plate (504), sliding holes (505), sliding cylinders (507), rectangular hollow cylinders (508) and telescopic rods (509), wherein the sliding holes (505) are formed in the two contact rods (506), the support rod (501) is fixedly connected to the upper side of the bottom ring (5), the middle parts of the rectangular hollow cylinders (508) are fixedly connected to the upper parts of the support rod (501), the front ends and the rear ends of the rectangular hollow cylinders (508) are respectively and slidably connected with the telescopic rods (509), the outer ends of the two telescopic rods (509) are respectively and fixedly connected with the sliding cylinders (507), the two sliding cylinders (507) are respectively and slidably connected to the two sliding holes (505), the lower sides of the two telescopic rods (509) are respectively and fixedly connected with the downward extending plates (504), the middle parts of the threaded rod (503) are rotatably connected to the support rod (501), the middle parts of the threaded, the two limiting rings (502) are respectively positioned at the front side and the rear side of the supporting rod (501), the screw thread turning directions of the front end and the rear end of the threaded rod (503) are opposite, and the front end and the rear end of the threaded rod (503) are respectively matched with the two downward extending plates (504) through screw threads.
8. The composite sucker rod centralizer of claim 7, wherein: the arc-shaped plate (404) and the contact rod (506) are coated with anti-abrasion coatings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911207176.3A CN110725654B (en) | 2019-11-30 | 2019-11-30 | Combined type sucker rod centralizer |
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|---|---|---|---|
| CN201911207176.3A CN110725654B (en) | 2019-11-30 | 2019-11-30 | Combined type sucker rod centralizer |
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| CN110725654B true CN110725654B (en) | 2021-02-05 |
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| CN111452234B (en) * | 2020-04-13 | 2022-09-23 | 绍兴础成建材有限公司 | Foam concrete cutting device and method |
| CN113153172B (en) * | 2021-03-22 | 2023-10-20 | 东营市三和石油装备有限公司 | Full spray welding high temperature resistant anticorrosion sucker rod |
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| CN110725654A (en) | 2020-01-24 |
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