CN113700442A - Sticking method of sticking type polyester centralizer - Google Patents
Sticking method of sticking type polyester centralizer Download PDFInfo
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- CN113700442A CN113700442A CN202111035950.4A CN202111035950A CN113700442A CN 113700442 A CN113700442 A CN 113700442A CN 202111035950 A CN202111035950 A CN 202111035950A CN 113700442 A CN113700442 A CN 113700442A
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- centralizer
- locking
- groove
- clamping
- block
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 229920000728 polyester Polymers 0.000 title claims abstract description 20
- 238000005086 pumping Methods 0.000 claims abstract description 46
- 239000000853 adhesive Substances 0.000 claims abstract description 15
- 230000001070 adhesive effect Effects 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims description 13
- 239000007767 bonding agent Substances 0.000 claims 2
- 238000009434 installation Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/12—Devices for placing or drawing out wear protectors
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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 pasting method of a pasting type polyester centralizer, which comprises an oil pumping pipe, wherein an adhesive is uniformly arranged on the outer surface of the oil pumping pipe, the centralizer is arranged on the outer surface of the oil pumping pipe and positioned on one side of the adhesive, a clamping structure is arranged in an inner cavity of the centralizer, and a fixing structure is uniformly arranged on the outer surface of the centralizer. The pasting method of the pasting type polyester centralizer solves the problems that the existing centralizer is inconvenient for fixing a sucker rod and the overall structure of the existing centralizer is compact and inconvenient to disassemble.
Description
Technical Field
The invention relates to the technical field of pasting methods of centralizers, in particular to a pasting method of a pasting type polyester centralizer.
Background
The centralizer is a well cementing tool, it is simple to make, the structure is esthetic, firm and durable, the centering force is great, overcome the easy desoldering deficiency of the original welded centralizer, it is a centralizer that can guarantee the well drilling and cementing quality, apply to the petroleum field extensively, through the pumping rod moves up and down in the oil line, because of the elastic deformation of the pumping rod, the pole and oil pipe wall produce the friction easily, the pumping rod is apt to break off, the pumping rod centralizer has strong flexibility, it contacts with oil pipe inner wall, can reduce the pole and friction of the pipe, enhance the oil recovery life-span of the pumping unit.
But most of existing centralizer are at the in-process of installation, it is firm to be difficult to fix, and take place to become flexible after long-term the use easily, lead to the sucker rod can take place to rock when the motion, thereby take place the friction between with oil pipe, simultaneously at the in-process of oil pumping, wax deposition easily between sucker rod and the oil pipe, make the pumping unit lift the difficulty, thereby brought the hindrance for the oil pumping process, can influence the life of oil pumping equipment even, current centralizer compact structure still, before the use, need install through dedicated dismantlement frock, inconvenient operating personnel anytime and anywhere's installation sucker rod centralizer, thereby inconvenient operating personnel's use, make the practicality of sucker rod centralizer not high.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for sticking a sticking type polyester centralizer, which solves the problems that the existing centralizer is inconvenient for fixing a sucker rod and the overall structure of the existing centralizer is compact and inconvenient for disassembly.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the pasting method of the pasted polyester centralizer comprises an oil pumping pipe, wherein an adhesive is uniformly arranged on the outer surface of the oil pumping pipe, the centralizer is arranged on the outer surface of the oil pumping pipe and positioned on one side of the adhesive, a clamping structure is arranged in an inner cavity of the centralizer, and a fixing structure is uniformly arranged on the outer surface of the centralizer.
Preferably, the centralizer comprises a left centralizer and a right centralizer, the left centralizer is connected with the right centralizer in a clamping mode, and the left centralizer and the right centralizer are identical in overall shape and internal structure.
Preferably, right side centralizer comprises semicircle arc, fixture block, locking groove, lock pole, locking piece, locking spring, draw-in groove, spacing spring, catch bar, cardboard, the both ends difference fixedly connected with fixture block of semicircle arc one side, the inner chamber at semicircle arc opposite side both ends is provided with the locking groove respectively, semicircle arc opposite side sliding connection has the lock pole, lock pole one end fixedly connected with lock piece, lock piece one side fixedly connected with locking spring, lock pole surface upper portion is provided with the draw-in groove, semicircle arc opposite side is provided with the spacing groove, spacing groove inner chamber one side fixedly connected with spacing spring, spacing spring one end fixedly connected with catch bar, catch bar one side fixedly connected with cardboard.
Preferably, the fixture block is connected with the locking block in a clamping manner, one end of the locking rod penetrates through the limiting groove and is connected with the locking groove inner cavity in a sliding manner, one end of the locking groove inner cavity is fixedly connected with a locking spring, the locking spring is arranged on the outer surface of the locking rod, and the locking groove inner cavity is connected with the locking block in a sliding manner.
Preferably, the clamping plate is connected with the locking rod in a clamping mode through a clamping groove, and the inner cavity of the limiting groove is connected with a pushing plate in a sliding mode.
Preferably, the clamping structure comprises a strip-shaped groove, a threaded rod, a movable block, a connecting rod and a clamping plate, the strip-shaped groove is formed in the middle of an inner cavity of the semicircular arc-shaped plate, the threaded rod is rotatably connected to the middle of the inner cavity of the strip-shaped groove, the movable block is connected to the outer surface of the threaded rod in a threaded mode, one side of the movable block is rotatably connected with the connecting rod through a lug matching pin shaft, and one end of the connecting rod is rotatably connected with the clamping plate through a lug matching pin shaft.
Preferably, one end of the threaded rod penetrates through the semicircular arc-shaped plate and is rotatably connected with the inner cavity of the strip-shaped groove, the inner cavity of the strip-shaped groove is slidably connected with a moving block, two ends of the threaded rod are respectively provided with threads in opposite directions, and the clamping plate is fixedly connected with the oil pumping pipe through an adhesive.
Preferably, the fixed knot constructs by U type frame, cylinder pole, extrusion spring, mounting panel and ball and constitutes, the even fixedly connected with U type frame of semicircle arc surface, U type frame inner chamber sliding connection has the cylinder pole, cylinder pole one end fixedly connected with extrusion spring, extrusion spring one end and semicircle arc surface fixed connection, cylinder pole other end fixedly connected with mounting panel, the ball is evenly installed to the mounting panel surface, the ball surface and oil pipe inner wall contact each other.
Advantageous effects
The invention provides a pasting method of a pasting type polyester centralizer. The method has the following beneficial effects:
(1) the sticking method of the sticking type polyester centralizer comprises the steps that a push plate is pushed to one side by an operator, the clamping plate is driven to move to one side together when the push plate is pushed, the clamping plate is completely separated from a clamping groove on the outer surface of a locking rod when the clamping plate moves to one side, the locking rod can be pulled upwards by the operator at the moment, the locking rod drives a locking block to move upwards, when the locking block moves upwards, clamping blocks on a left centralizer and a right centralizer are inserted into an inner cavity of a locking groove at the moment, after the clamping blocks are inserted, the locking rod is loosened at the moment, the locking spring can drive the locking block to move towards the opposite direction, clamping of the clamping block is achieved through the locking rod, the left centralizer and the right centralizer are fixed, after the fixing, the push plate and the clamping plate can be pushed to move towards the opposite direction by a limiting spring, and clamping of the locking rod can be achieved through the clamping plate, can prevent that the locking pole mistake from bumping and leading to left centralizer and right centralizer separation phenomenon to appear, and then make things convenient for the installation and the dismantlement of later stage staff to the centralizer.
(2) The pasting method of the pasting type polyester centralizer coats the appointed position on the outer surface of the oil pumping pipe with adhesive, then the left centralizer and the right centralizer are clamped into a whole, the clamping is good, if the clamping plate is not fixed with the outer surface of the oil pumping pipe, the threaded rod is rotated, when the threaded rod is rotated, the movable block can move back and forth on the threaded rod, when the movable block moves relatively, at this time, the moving block drives the connecting rod to rotate, and when the connecting rod rotates, the clamping plate is driven to move inwards, thereby clamping the outer surface of the oil pumping pipe through the clamping plate, integrally fixing the centralizer on the oil pumping pipe through the adhesive after clamping, and then can prevent that the centralizer from appearing removing and leading to pumping oil pipe's damage after using for a long time, realize fixing the pumping oil pipe of different thicknesses through clamping structure simultaneously.
(3) This paste type polyester centralizer paste method, extrude the mounting panel through the staff according to the diameter of oil pipe inner wall, when extruding the mounting panel, the mounting panel drives the cylinder pole inward movement, extrude the extrusion spring when the cylinder pole inward movement, thereby change fixed knot structure's holistic diameter, change the back, put into the oil pipe inner wall with fixed knot structure is whole, then loosen the mounting panel, at this moment, the extrusion spring pushes away cylinder pole and mounting panel in reverse, make the surface of ball contact with the oil pipe inner chamber completely, thereby can prevent to pump the oil pipe and slide at the inner wall, lead to oil pipe and pump the oil pipe all to produce the breakage, and then lead to economic loss.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the right centralizer of the present invention;
FIG. 3 is a schematic view of a cross-sectional view of a centralizer according to the present invention;
FIG. 4 is a schematic side view of a centralizer according to the present invention;
FIG. 5 is an enlarged view of FIG. 4 according to the present invention;
FIG. 6 is a schematic structural view of a locking rod, a clamping plate, a pushing plate and a limiting spring according to the present invention.
In the figure: 1. an oil pumping pipe; 2. a binder; 3. a centralizer; 4. a clamping structure; 41. a strip-shaped groove; 42. a threaded rod; 43. a moving block; 44. a connecting rod; 45. a clamping plate; 5. a fixed structure; 51. a U-shaped frame; 52. a cylindrical rod; 53. a compression spring; 54. mounting a plate; 55. a ball bearing; 6. a left centralizer; 7. a right centralizer; 71. a semi-circular arc plate; 72. a clamping block; 73. a locking groove; 74. a lock lever; 75. a locking block; 76. a locking spring; 77. a card slot; 78. a limiting groove; 79. a limiting spring; 710. a push plate; 711. and (4) clamping the board.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
the first embodiment is as follows:
a pasting method of a pasted polyester centralizer comprises an oil pumping pipe 1, wherein an adhesive 2 is uniformly arranged on the outer surface of the oil pumping pipe 1, a centralizer 3 is arranged on the outer surface of the oil pumping pipe 1 and located on one side of the adhesive 2, a clamping structure 4 is installed in the inner cavity of the centralizer 3, and a fixing structure 5 is uniformly installed on the outer surface of the centralizer 3. The centralizer 3 comprises left centralizer 6 and right centralizer 7, and the block is connected between left centralizer 6 and the right centralizer 7, and left centralizer 6 is the same and inner structure is also the same with right centralizer 7 whole shape. Right centralizer 7 is by semicircle arc 71, fixture block 72, locking groove 73, locking lever 74, locking piece 75, locking spring 76, draw-in groove 77, spacing groove 78, spacing spring 79, catch plate 710, cardboard 711 is constituteed, the both ends difference fixedly connected with fixture block 72 of semicircle arc 71 one side, the inner chamber at semicircle arc 71 opposite side both ends is provided with locking groove 73 respectively, semicircle arc 71 opposite side sliding connection has locking lever 74, locking lever 74 one end fixedly connected with locking piece 75, locking piece 75 one side fixedly connected with locking spring 76, locking lever 74 surface upper portion is provided with draw-in groove 77, semicircle arc 71 opposite side is provided with spacing groove 78, spacing groove 78 inner chamber one side fixedly connected with spacing spring 79, spacing spring 79 one end fixedly connected with catch plate 710, catch plate 710 one side fixedly connected with cardboard 711. When the centralizer 3 needs to be disassembled or assembled in the later stage, firstly, a worker pushes the push plate 710 to one side, when the push plate 710 is pushed, the clamping plate 711 is driven to move to one side together, when the clamping plate 711 moves to one side, the clamping plate 711 is completely separated from the clamping groove 77 on the outer surface of the locking rod 74, at this time, the worker can pull the locking rod 74 upwards, so that the locking rod 74 drives the locking block 75 to move upwards, when the locking block 75 moves upwards, the clamping block 72 on the left centralizer 6 and the right centralizer 7 is inserted into the inner cavity of the locking groove 73, after the clamping block is inserted, the locking rod 74 is released, the locking spring 76 drives the locking block 75 to move towards the opposite direction, so that the clamping of the clamping block 72 is realized through the locking rod 74, the left centralizer 6 and the right centralizer 7 are fixed, after the fixing, the limiting spring 79 can push the push plate 710 and the clamping plate 711 to move towards the opposite direction, thereby just can realize the block to locking lever 74 through cardboard 711, can prevent that locking lever 74 mistake from bumping and leading to left centralizer 6 and right centralizer 7 separation phenomenon to appear, and then make things convenient for the installation and the dismantlement of later stage staff to centralizer 3.
Example two: the difference between this embodiment and the first embodiment is that, wherein, the fixture block 72 is connected with the locking block 75 in a clamping manner, one end of the locking rod 74 penetrates through the limiting groove 78 and is connected with the locking groove 73 in an inner cavity sliding manner, one end of the locking groove 73 in the inner cavity is fixedly connected with the locking spring 76, the locking spring 76 is installed on the outer surface of the locking rod 74, and the locking block 75 is connected with the locking groove 73 in the inner cavity sliding manner. The clamping plate 711 is connected with the locking rod 74 in a clamping way through the clamping groove 77, and the inner cavity of the limiting groove 78 is connected with a pushing plate 710 in a sliding way. Clamping structure 4 comprises bar groove 41, threaded rod 42, movable block 43, connecting rod 44 and grip block 45, and semicircle arc 71 inner chamber middle part is provided with bar groove 41, and bar groove 41 inner chamber middle part is rotated and is connected with threaded rod 42, and threaded rod 42 surface threaded connection has movable block 43, and movable block 43 one side is connected with connecting rod 44 through lug cooperation round pin axle rotation, and connecting rod 44 one end is connected with grip block 45 through lug cooperation round pin axle rotation. When the centralizer 3 needs to be fixed on the outer surface of the oil pumping pipe 1, firstly, the adhesive 2 is coated on the designated position of the outer surface of the oil pumping pipe 1, then the left centralizer 6 and the right centralizer 7 are clamped into a whole and well clamped, if the clamping plate 45 is not fixed on the outer surface of the oil pumping pipe 1, the threaded rod 42 is rotated, when the threaded rod 42 is rotated, the moving block 43 moves back and forth on the threaded rod 42, when the moving block 43 moves relatively, the moving block 43 drives the connecting rod 44 to rotate, when the connecting rod 44 rotates, the clamping plate 45 is driven to move inwards, so that the outer surface of the oil pumping pipe 1 is clamped through the clamping plate 45, the centralizer 3 is integrally fixed on the oil pumping pipe 1 through the adhesive 2 after clamping, and further, the damage of the oil pumping pipe caused by the movement of the centralizer 3 after the centralizer 3 is used for a long time can be prevented, meanwhile, the oil pumping pipes 1 with different thicknesses are fixed through the clamping structure 4.
Example three: the difference between this implementation and the first embodiment lies in that, wherein, the one end of threaded rod 42 runs through semi-circular arc 71 and is connected with the rotation of bar groove 41 inner chamber, and bar groove 41 inner chamber sliding connection has movable block 43, and the both ends of threaded rod 42 set up to opposite direction screw respectively, and grip block 45 passes through adhesive 2 and oil extraction pipe 1 fixed connection. Fixed knot constructs 5 by U type frame 51, the cylinder pole 52, extrusion spring 53, mounting panel 54 and ball 55 are constituteed, the even fixedly connected with U type frame 51 of semicircle arc 71 surface, U type frame 51 inner chamber sliding connection has cylinder pole 52, 52 one end fixedly connected with extrusion spring 53 of cylinder pole, extrusion spring 53 one end and semicircle arc 71 surface fixed connection, cylinder pole 52 other end fixedly connected with mounting panel 54, mounting panel 54 surface evenly installs ball 55, ball 55 surface and oil pipe inner wall in contact with each other. When the centralizer needs to be used, firstly, a worker extrudes the mounting plate 54 according to the diameter of the inner wall of the oil pipe, when the mounting plate 54 is extruded, the mounting plate 54 drives the cylindrical rod 52 to move inwards, the extrusion spring 53 is extruded when the cylindrical rod 52 moves inwards, so that the integral diameter of the fixing structure 5 is changed, after the change, the fixing structure 5 is integrally placed on the inner wall of the oil pipe, then the mounting plate 54 is loosened, at this time, the extrusion spring 53 reversely pushes the cylindrical rod 52 and the mounting plate 54, so that the outer surface of the ball 55 is completely contacted with the inner cavity of the oil pipe, the oil pumping pipe 1 can be prevented from sliding on the inner wall, the oil pipe and the oil pumping pipe 1 are crushed, and further economic loss is caused.
When the oil pumping pipe is in operation, firstly, the adhesive 2 is coated on the designated position of the outer surface of the oil pumping pipe 1, then the left centralizer 6 and the right centralizer 7 are clamped into a whole, the clamping is good, if the clamping plate 45 is not fixed with the outer surface of the oil pumping pipe 1, the threaded rod 42 is rotated, when the threaded rod 42 is turned, the moving block 43 moves back and forth on the threaded rod 42, when the moving block 43 performs a relative motion, the moving block 43 drives the connecting rod 44 to rotate, and when the connecting rod 44 rotates, the clamping plate 45 is driven to move inwards, thereby clamping the outer surface of the oil pumping pipe 1 through the clamping plate 45, integrally fixing the centralizer 3 on the oil pumping pipe 1 through the adhesive 2 after clamping, and then can prevent that centralizer 3 from appearing removing and leading to taking out oil pipe's damage after long-time the use, realize fixing taking out oil pipe 1 of different thicknesses through clamping structure 4 simultaneously. When the centralizer 3 needs to be disassembled or assembled in the later stage, a worker pushes the push plate 710 to one side, the push plate 710 is pushed, the clamping plate 711 is driven to move to one side together, the clamping plate 711 is completely separated from the clamping groove 77 on the outer surface of the locking rod 74 when the clamping plate 711 moves to one side, the worker can pull the locking rod 74 upwards to enable the locking rod 74 to drive the locking block 75 to move upwards, when the locking block 75 moves upwards, the clamping block 72 on the left centralizer 6 and the right centralizer 7 is inserted into the inner cavity of the locking groove 73, after the clamping block is inserted, the locking rod 74 is released, the locking spring 76 can drive the locking block 75 to move towards the opposite direction, clamping of the clamping block 72 is achieved through the locking rod 74, the left centralizer 6 and the right centralizer 7 are fixed, and after the fixing, the limiting spring 79 can push the push plate 710 and the clamping plate 711 to move towards the opposite direction, therefore, the locking rod 74 can be clamped through the clamping plate 711, the phenomenon that the left centralizer 6 and the right centralizer 7 are separated due to the fact that the locking rod 74 is mistakenly touched can be prevented, further, installation and disassembly of the centralizer 3 by later-period workers are facilitated, when the centralizer needs to be used, firstly, the workers extrude the mounting plate 54 according to the diameter of the inner wall of an oil pipe, when the mounting plate 54 is extruded, the mounting plate 54 drives the cylindrical rod 52 to move inwards, when the cylindrical rod 52 moves inwards, the extruding spring 53 is extruded, the integral diameter of the fixing structure 5 is changed, after the change, the fixing structure 5 is integrally placed on the inner wall of the oil pipe, then the mounting plate 54 is loosened, the extruding spring 53 reversely pushes the cylindrical rod 52 and the mounting plate 54, the outer surface of the ball 55 is completely contacted with the inner cavity of the oil pipe, and the oil pumping pipe 1 can be prevented from sliding on the inner wall, and the oil pumping pipe 1 is broken, thereby resulting in economic losses.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (8)
1. A pasting method of a pasted polyester centralizer comprises an oil pumping pipe (1), and is characterized in that: the outer surface of the oil pumping pipe (1) is uniformly provided with a bonding agent (2), the outer surface of the oil pumping pipe (1) is provided with a centralizer (3) on one side of the bonding agent (2), a clamping structure (4) is installed in the inner cavity of the centralizer (3), and a fixing structure (5) is uniformly installed on the outer surface of the centralizer (3).
2. The attaching method of an attaching type polyester centralizer according to claim 1, wherein: the centralizer (3) comprises a left centralizer (6) and a right centralizer (7), the left centralizer (6) is connected with the right centralizer (7) in a clamping mode, and the left centralizer (6) and the right centralizer (7) are identical in overall shape and internal structure.
3. The attaching method of an attaching type polyester centralizer according to claim 2, wherein: the right centralizer (7) consists of a semicircular arc plate (71), a clamping block (72), a locking groove (73), a locking rod (74), a locking block (75), a locking spring (76), a clamping groove (77), a limiting groove (78), a limiting spring (79), a pushing plate (710) and a clamping plate (711), wherein the two ends of one side of the semicircular arc plate (71) are respectively and fixedly connected with the clamping block (72), the inner cavities of the two ends of the other side of the semicircular arc plate (71) are respectively provided with the locking groove (73), the other side of the semicircular arc plate (71) is slidably connected with the locking rod (74), one end of the locking rod (74) is fixedly connected with the locking block (75), one side of the locking block (75) is fixedly connected with the locking spring (76), the upper part of the outer surface of the locking rod (74) is provided with the clamping groove (77), the other side of the semicircular arc plate (71) is provided with the limiting groove (78), spacing spring (79) of spacing groove (78) inner chamber one side fixedly connected with, spacing spring (79) one end fixedly connected with pushing plate (710), pushing plate (710) one side fixedly connected with cardboard (711).
4. The attaching method of an attaching type polyester centralizer according to claim 3, wherein: fixture block (72) are connected with locking piece (75) block, spacing groove (78) and locking groove (73) inner chamber sliding connection are run through to locking pole (74) one end, locking groove (73) inner chamber one end fixedly connected with locking spring (76), locking pole (74) surface mounting has locking spring (76), locking groove (73) inner chamber sliding connection has locking piece (75).
5. The attaching method of an attaching type polyester centralizer according to claim 4, wherein: the clamping plate (711) is connected with the locking rod (74) in a clamping mode through a clamping groove (77), and the inner cavity of the limiting groove (78) is connected with a pushing plate (710) in a sliding mode.
6. The attaching method of an attaching type polyester centralizer according to claim 3, wherein: clamping structure (4) comprise bar groove (41), threaded rod (42), movable block (43), connecting rod (44) and grip block (45), semicircle arc (71) inner chamber middle part is provided with bar groove (41), bar groove (41) inner chamber middle part rotates and is connected with threaded rod (42), threaded rod (42) surface threaded connection has movable block (43), movable block (43) one side is connected with connecting rod (44) through lug cooperation round pin axle rotation, connecting rod (44) one end is connected with grip block (45) through lug cooperation round pin axle rotation.
7. The attaching method of an attaching type polyester centralizer according to claim 6, wherein: one end of the threaded rod (42) penetrates through the semicircular arc-shaped plate (71) and is rotationally connected with the inner cavity of the strip-shaped groove (41), the inner cavity of the strip-shaped groove (41) is slidably connected with the moving block (43), two ends of the threaded rod (42) are respectively provided with threads in opposite directions, and the clamping plate (45) is fixedly connected with the oil pumping pipe (1) through the adhesive (2).
8. The attaching method of an attaching type polyester centralizer according to claim 3, wherein: fixed knot constructs (5) and comprises U type frame (51), cylinder pole (52), extrusion spring (53), mounting panel (54) and ball (55), the even fixedly connected with U type frame (51) of semicircle arc (71) surface, U type frame (51) inner chamber sliding connection has cylinder pole (52), cylinder pole (52) one end fixedly connected with extrusion spring (53), extrusion spring (53) one end and semicircle arc (71) surface fixed connection, cylinder pole (52) other end fixedly connected with mounting panel (54), ball (55) are evenly installed to mounting panel (54) surface, ball (55) surface and oil pipe inner wall contaction each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111035950.4A CN113700442A (en) | 2021-09-06 | 2021-09-06 | Sticking method of sticking type polyester centralizer |
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| CN202111035950.4A CN113700442A (en) | 2021-09-06 | 2021-09-06 | Sticking method of sticking type polyester centralizer |
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