CN111363292A - Modified nylon and centralizer produced by same - Google Patents
Modified nylon and centralizer produced by same Download PDFInfo
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- CN111363292A CN111363292A CN202010332128.3A CN202010332128A CN111363292A CN 111363292 A CN111363292 A CN 111363292A CN 202010332128 A CN202010332128 A CN 202010332128A CN 111363292 A CN111363292 A CN 111363292A
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- centralizer
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- 239000004677 Nylon Substances 0.000 title claims abstract description 22
- 229920001778 nylon Polymers 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 229920001971 elastomer Polymers 0.000 claims description 19
- 238000007790 scraping Methods 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 10
- -1 4-methylene phenyl Chemical group 0.000 claims description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 229920002292 Nylon 6 Polymers 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 125000003700 epoxy group Chemical group 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 125000001841 imino group Chemical group [H]N=* 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000007774 longterm Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Earth Drilling (AREA)
Abstract
The embodiment of the invention discloses a centralizer for producing modified nylon, which comprises a main body and a plurality of contact strips arranged on the side wall of the main body, wherein an assistor is sleeved on the inner side of the main body, a plurality of square grooves are formed in the contact strips, and a roller mechanism is arranged in each square groove.
Description
Technical Field
The embodiment of the invention relates to the field of centralizers, in particular to modified nylon and a centralizer produced by the modified nylon.
Background
The nylon material is used as base material and its physical properties are changed to form granular product. Such as: reinforcing nylon, the nylon of toughening, wear-resisting nylon, halogen-free flame retardant nylon, electrically conductive nylon, fire-retardant nylon etc. and at the stick pump oil recovery in-process, the sucker rod reciprocating motion in oil pipe, it can produce the friction in the motion process, in case the wearing and tearing aggravation just can cause the influence to the normal operating of equipment, the centralizer can all be selected to establish in the sucker rod outside cover.
Common centralizer in the existing market, like nylon roller type centralizer, its structure is comparatively simple, but in long-term use, the lateral wall of centralizer and oil pipe contact can be worn and torn excessively, especially its tip department and around the gyro wheel, have partial region very easily to appear the crack or a large amount of wearing and tearing bits under long-term wearing and tearing circumstances, later, if equipment motion range has great probability to appear centralizer outer wall fracture and make the gyro wheel drop or the condition that blocks the gyro wheel is piled up to a large amount of wearing and tearing bits for the normal use of equipment receives the influence.
Disclosure of Invention
Therefore, the embodiment of the invention provides modified nylon and a centralizer produced by the modified nylon, and aims to solve the problems that in the prior art, the outer side wall of the centralizer in contact with an oil pipe is excessively worn, especially the outer side wall of the centralizer at the end part and around a roller is easy to crack or a large amount of wear debris in a part of areas under the long-term wear condition, and then the outer wall of the centralizer is broken to cause the roller to fall off or a large amount of wear debris is accumulated to clamp the roller if the equipment moves in a large range.
In order to achieve the above object, an embodiment of the present invention provides the following:
in a first aspect of the invention, the invention provides a modified nylon, which is composed of the following raw material components in parts by weight: 40-52 parts of poly (2, 6-dimethyl-1, 43-51 parts of 4-methylene phenyl ether), 45-54 parts of nylon-6, 4-7 parts of TiO233-40 parts of polyamide rubber, 80-100 parts of styrene heat-absorbing elastomer, 46-54 parts of terminal carbonyl, 44-58 parts of epoxy group, 33-60 parts of imino group, 46-54 parts of hydroxyl, 47-55 parts of epoxy alkyl modified polyethylene and 3-11 parts of inorganic alkali metal salt.
In a second aspect of the invention, the invention provides a centralizer, which comprises a main body and a plurality of contact strips arranged on the side wall of the main body, wherein an assistor is sleeved on the inner side of the main body, a plurality of square grooves are formed in the contact strips, and a roller mechanism is arranged in each square groove;
the gyro wheel mechanism includes the reinforcement piece of being connected with contact strip both ends surface and is T style of calligraphy structure and runs through the square groove and the support column of being connected with the assistor lateral wall, the screens cover is installed to the one end that the assistor was kept away from to the support column the gyro wheel support column has been cup jointed in the screens cover the gyro wheel cover has all been cup jointed at the both ends of gyro wheel support column, two install the transversal piece of striking off of personally submitting U font structure between the gyro wheel cover the ring position cover is installed to the lateral wall of support column, ring position cover in-connection have the tip run through the square groove and with the spliced pole of reinforcement piece surface connection the lateral wall of ring position cover is seted up and is carried out spacing limited groove to the spliced pole.
As a preferable scheme of the invention, a plurality of inclined scraping blocking columns are respectively installed on the two end surfaces of the roller supporting column, and the length value of each inclined scraping blocking column is smaller than the outer diameter value of the roller sleeve.
As a preferable scheme of the invention, a reinforcing strip is installed between two reinforcing plates, a plurality of protective strips wrapped on the outer side wall of the contact strip are installed on the side surface of the reinforcing strip, and a hidden groove for positioning the reinforcing strip and the protective strips is arranged on the surface of the contact strip.
As a preferred scheme of the present invention, the inner side wall of the end portion of the main body is provided with a positioning groove for limiting the auxiliary device, the auxiliary device comprises a close-fitting sleeve sleeved in the main body, the outer side wall of the close-fitting sleeve is provided with a plurality of auxiliary contact bars having a u-shaped cross section and corresponding to the positions of the contact bars, the inner wall of the end portion of each auxiliary contact bar is provided with a fixing block for limiting the support column, the inner wall of the close-fitting sleeve is provided with a spiral sealing groove, and the inner wall of the sealing groove is provided with an anti-slip bar for increasing friction force.
As a preferred scheme of the invention, the clinging sleeve is composed of two semicircular mounting sleeves with the same structure, a quick assembly strip with a cross section in a convex-shaped structure is mounted on the side wall of one semicircular mounting sleeve, and a strip assembly fixing groove is formed in the position, corresponding to the quick assembly strip, of the side wall of the other semicircular mounting sleeve.
According to a preferable scheme of the invention, the outer side walls of two ends of the clinging sleeve are respectively provided with an anti-shake device, the outer wall of one side of the clinging sleeve close to the anti-shake device is provided with a press block sliding hole, the anti-shake device comprises an adjusting block in threaded connection with the clinging sleeve and a pressure regulating block in a T-shaped structure, one side of the adjusting block close to the main body is provided with a stepped pressure groove, the pressure regulating block is positioned in the press block sliding hole, and one end of the pressure regulating block close to the adjusting block is provided with a bevel block which is in a right-angle cross section structure and is embedded into the stepped pressure groove.
As a preferable scheme of the invention, the side wall of the clinging sleeve is provided with a plurality of through grooves, a sliding block is connected in the through grooves, one end of the sliding block is provided with a pushing block with an isosceles trapezoid-shaped cross section, and the other end of the sliding block is provided with a rubber pressing block.
As a preferable scheme of the invention, the inner wall of the clinging sleeve is provided with a plurality of storage grooves which correspond to the rubber pressing blocks in position and have V-shaped cross sections.
As a preferable scheme of the invention, the connecting column comprises a clamping block connected with the ring position cover, and a clamping strip connected with the side surface of the reinforcing plate is arranged on the surface of one side of the clamping block, which is far away from the ring position cover.
The embodiment of the invention has the following advantages:
the roller and the contact strip can be reinforced and fixed through the support column, the auxiliary device and the connecting column, so that the roller cannot fall off due to excessive wear of the outer wall of the contact strip, when wear scraps appear on the outer wall of the centralizer, the scraping piece on the roller sleeve can move along with the movement of the roller sleeve, accumulated scraps can be quickly scraped to avoid the situation that the roller is clamped, and then when the centralizer is used, the connecting column can pull the reinforcing piece and the reinforcing ribs to reinforce the contact strip to avoid the situation that the contact strip breaks and falls off;
the invention can also carry out anti-skidding operation on the clinging sleeve through the rubber pressing block and the anti-skidding strip, so that the clinging sleeve can not generate the phenomenon of movement in an area in the long-term use process, when the clinging sleeve is assembled, the adjusting block can be matched with the pressure adjusting block to enable the clinging sleeve to be rapidly sleeved on the sucker rod, meanwhile, the pressure adjusting block pressed by the adjusting block can be matched with the anti-skidding strip to further play a role in preventing movement, and the installed clinging sleeve can support and position the roller sleeve through the auxiliary contact strip to prevent the contact strip from being excessively worn, so that the roller sleeve shakes to damage the contact strip.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a front view of the main body of the embodiment of the present invention;
FIG. 3 is a perspective view of a body of an embodiment of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 2;
FIG. 5 is a schematic view of a pillar structure according to an embodiment of the present invention;
FIG. 6 is a top view of a semicircular mounting sleeve in accordance with an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a slider according to an embodiment of the present invention.
In the figure:
1-a body; 2-contact strip; 3-an auxiliary device; 4-square groove; 5-a roller mechanism; 6, tightly attaching a sleeve; 7-connecting column; 8-anti-shake device; 101-positioning grooves;
301-auxiliary contact bars; 302-fixed block; 303-a sealing groove; 304-cleats;
501-reinforcing plates; 502-a pillar; 503-a clamping sleeve; 504-roller sleeve; 505-a scraping sheet; 506-ring position cover; 507-limiting groove; 508-inclined scraping blocking columns; 509-reinforcing bar; 510-a protective strip; 511-hidden slot; 512-roller support columns;
601-semicircular installation sleeves; 602-quick assembling strips; 603-assembling strip fixing grooves; 604-sliding hole of pressing block; 605-a through groove; 606-a slider; 607-push block; 608-rubber briquetting; 609-a storage tank;
701-clamping in block; 702-a card strip;
801-a regulating block; 802-voltage regulating block; 803-step groove pressing; 804-bevel block.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a centralizer made of modified nylon, which can perform the operation of reinforcing and fixing the roller sleeve 504 and the contact strip 2 through the pillar 502, the assistor 3 and the connecting column 7, so that the roller cannot fall off due to excessive wear of the outer wall of the contact strip 2; meanwhile, the tight attaching sleeve 6 can be subjected to anti-skidding operation through the rubber pressing block 608 and the anti-skidding strip 304, so that the tight attaching sleeve 6 cannot generate a phenomenon of movement in an area in a long-term use process, when the tight attaching sleeve 6 is assembled, the adjusting block 801 can be matched with the pressure adjusting block 802 to enable the tight attaching sleeve 6 to be rapidly sleeved on the sucker rod, and meanwhile, the pressure adjusting block 802 pressed by the adjusting block 801 can be matched with the anti-skidding strip 304 to further play a role in preventing movement.
The device includes that main part 1 and a plurality of install the contact strip 2 at 1 lateral wall of main part 1 the inboard of main part 1 has cup jointed assistor 3, contact strip 2 is last to have seted up a plurality of square groove 4 be provided with gyro wheel mechanism 5 in the square groove 4.
The device is when the equipment, can be directly with 5 cards of gyro wheel mechanism in square groove 4, then install assistor 3 can, gyro wheel mechanism 5 among the device possesses the spacing and contact strip 2's of gyro wheel reinforcing function, it satisfies again and turns into its life with sliding friction force under the prerequisite of rolling friction force, and its fault-tolerant rate, and after the device is assembled, assistor 3 can further fix a position the gyro wheel, prevent its condition that rocks from appearing, later still can play the operation of installing fast and fixed anti-skidding anti-channeling to the device, make the device can not appear in the region along with the gliding phenomenon from top to bottom of sucker rod in the in-process of long-term use.
As shown in fig. 1, 2, 3, 4 and 5, the roller mechanism 5 includes a reinforcing plate 501 connected to the two end surfaces of the contact bar 2 and a support column 502 having a T-shaped structure and penetrating through the square groove 4 and connected to the outer side wall of the auxiliary device 3, one end of the support column 502 far from the auxiliary device 3 is provided with a clamping sleeve 503, a roller support column 512 is sleeved in the clamping sleeve 503, two ends of the roller support column 512 are respectively sleeved with a roller sleeve 504, a scraping plate 505 having a u-shaped cross section is installed between the two roller sleeves 504, a ring cover 506 is installed on the side wall of the support column 502, a connection column 7 having an end penetrating through the square groove 4 and connected to the surface of the reinforcing plate 501 is connected to the ring cover 506, and a limiting groove 507 for limiting the connection column 7 is opened on the side wall of the ring cover 506.
When the roller mechanism 5 is used, the roller sleeve 504 slides along the inner wall of the oil pipe, at this time, the surface of the contact bar 2 slides along the inner wall of the oil pipe along with the roller sleeve 504, once the abrasion amount of the contact bar 2 is large, because the roller sleeve 504 is sleeved on the side wall of the roller support column 512, the roller support column 512 is only arranged on the support column 502 and has no direct connection relation with the contact bar 2 (the support column 502 is connected with the assistor 3, so the roller sleeve 504 is in sliding connection with the main body 1, even if the main body 1 fails (such as cracks), as long as the assistor 3 is not damaged, the support column 502 is not greatly influenced, so even if the surface friction amount of the contact bar 2 is large, the roller sleeve 504 cannot easily fall off, so that the operation of limiting the roller sleeve 504 is performed, and when the support column 502 is used for fixing the roller sleeve 504, still can play the effect of screens to spliced pole 7 through ring position cover 506 for the condition that the activity can not appear easily in spliced pole 7, spliced pole 7 can be firmly pulled by ring position cover 506 promptly, and the spliced pole 7 of being pulled can pull reinforcement piece 501, makes reinforcement piece 501 carry out the reinforcement effect to contact strip 2, makes contact strip 2 at the in-process of repeated friction, thereby the condition of corner collapse or crack can not appear because of range is too big in its tip.
And in the process of abrasion of the contact strip 2, partial abrasion chips are generated, once the waste chips are driven by the contact strip 2, the waste chips are easily clamped between the roller support column 512 and the roller sleeves 504, so that the roller sleeves 504 cannot normally rotate, the scraping sheet 505 can play a role at the moment, the scraping sheet 505 is positioned between the two roller sleeves 504, once the roller sleeves 504 rotate around the roller support column 512, the waste chips can be scraped by the scraping sheet 505, so that the normal use of the equipment is not influenced (the scraping sheet 505 can play a role in connecting the two roller sleeves 504, so that the two roller sleeves 504 cannot fall off.
The two end surfaces of the roller supporting column 512 are respectively provided with a plurality of inclined scraping columns 508, and the length value of the inclined scraping columns 508 is smaller than the outer diameter value of the roller sleeve 504.
The inclined scraping column 508 is provided to scrape off the waste around the square groove 4, so that the waste does not affect the rotation of the roller sleeve 504, and the inclined scraping column 508 also has the function of limiting the roller sleeve 504 to prevent the roller sleeve 504 from being inclined towards one side to wear the pillar 502, and the size of the inclined scraping column 508 is set so as to prevent the roller sleeve 504 from being affected when in operation.
A reinforcing bar 509 is arranged between the two reinforcing plates 501, a plurality of protective bars 510 wrapped on the outer side wall of the contact bar 2 are arranged on the side surface of the reinforcing bar 509, and a hidden groove 511 for positioning the reinforcing bar 509 and the protective bars 510 is arranged on the surface of the contact bar 2.
The existence of the reinforcing bar 509 and the protective bar 510 is to further increase the service life of the contact bar 2, so that the wear resistance of the contact bar 2 is higher, and the situation of broken and broken friction surface edges can not occur, while the arrangement of the hidden groove 511 enables the number and the positions of the protective bars 510 to be adjusted, and simultaneously, the surface of the contact bar 2 can be flush with the surfaces of the protective bar 510 and the reinforcing bar 509, so that the situation of protruding parts can not occur, and the phenomenon of direct friction of the parts can be avoided.
As shown in fig. 1 and 6, the end inside wall of the main body 1 is provided with a positioning groove 101 for limiting the position of the auxiliary device 3, the auxiliary device 3 comprises a close-fitting sleeve 6 sleeved in the main body 1, the outer side wall of the close-fitting sleeve 6 is provided with a plurality of auxiliary contact bars 301 which correspond to the positions of the contact bars 2 and have U-shaped cross sections, the end inner wall of each auxiliary contact bar 301 is provided with a fixing block 302 for limiting a pillar 502, the inner wall of the close-fitting sleeve 6 is provided with a spiral sealing groove 303, and the inner wall of the sealing groove 303 is provided with an anti-slip bar 304 for increasing friction force.
After the assistor 3 is installed in main part 1, pillar 502 is in embedding auxiliary contact strip 301, and fixed block 302 can fix spacingly this moment to pillar 502 to make pillar 502 can not appear rocking the condition such as easily, and after the assistor 3 has been installed, it is direct cup jointed at the lateral wall of sucker rod, in case wearing and tearing appear in the assistor 3 inner wall, antislip strip 304 alright play fixed anti-skidding effect, and the condition of drunkenness about can not appearing easily.
As shown in fig. 6, the close fitting sleeve 6 is composed of two semicircular mounting sleeves 601 with the same structure, one of the semicircular mounting sleeves 601 is provided with a quick assembly strip 602 with a convex-shaped cross section on the side wall, and the other semicircular mounting sleeve 601 is provided with an assembly strip fixing groove 603 at a position corresponding to the quick assembly strip 602 on the side wall.
This hug closely cover 6 can assemble fast on the sucker rod, and during its concrete operation, the user only need paste a semicircle mounting sleeve 601 at the sucker rod lateral wall, then with another semicircle mounting sleeve 601 and this semicircle mounting sleeve 601 contact, can make swift assembly strip 602 insert in group strip fixed slot 603 this moment, after swift assembly strip 602 is complete the grafting, alright reach fast assembly's purpose.
As shown in fig. 1, the both ends lateral wall of hugging closely cover 6 all is provided with anti-shake device 8, hug closely cover 6 and seted up briquetting slide opening 604 at the one side outer wall that is close to anti-shake device 8, anti-shake device 8 includes with hug closely cover 6 threaded connection's regulating block 801 and be the pressure regulating block 802 of T style of calligraphy structure (this pressure regulating block 802 can block in briquetting slide opening 604, and can not break away from briquetting slide opening 604 easily), regulating block 801 is close to one side of main part 1 and has seted up ladder indent 803, pressure regulating block 802 is located in briquetting slide opening 604, the one end that pressure regulating block 802 is close to regulating block 801 is installed transversal inclined plane piece 804 of personally submitting right angle type structure and being used for imbedding ladder indent 803.
After the tight fitting sleeve 6 is assembled preliminarily, the tight fitting sleeve 6 can be further fixed through the anti-shaking device 8, when the tight fitting sleeve is implemented specifically, only the adjusting block 801 is rotated, then the rotating adjusting block 801 can gradually move towards the direction of the inclined plane block 804, after the step pressure groove 803 on the adjusting block 801 is contacted with the inclined plane of the inclined plane block 804, the inclined plane block 804 (the structure of the step pressure groove 803 is also in an inclined shape) can be gradually pushed by the adjusting block 801, so that the tight fitting between the pressure adjusting block 802 and the sucker rod is pushed, the further fixing operation with the sucker rod is realized, and after the pressure adjusting block 802 is fixed, a certain fixing operation can be realized, so that the tight fitting sleeve 6 cannot easily move up and down.
As shown in fig. 1 and 7, the side wall of the close contact sleeve 6 is provided with a plurality of through grooves 605, a sliding block 606 is connected in the through grooves 605, one end of the sliding block 606 is provided with a pushing block 607 with an isosceles trapezoid cross section, and the other end of the sliding block 606 is provided with a rubber pressing block 608.
When the anti-skid force of the clinging sleeve 6 is increased, once the clinging sleeve 6 is inserted into the body 1, the inclined surface of the pushing block 607 is pushed by the body 1 to move towards the sucker rod, at this time, the sliding block 606 can drive the rubber block 608 to move towards the sucker rod together, when the rubber block 608 contacts the sucker rod, the rubber block 608 is compressed, and the anti-skid friction force of the rubber block 608 is increased due to the compression.
The inner wall of the clinging sleeve 6 is provided with a plurality of storage grooves 609 which correspond to the rubber pressing block 608 in position and have V-shaped cross sections.
This store groove 609 is used for storing and is blocked into the inside tiny debris of hugging closely cover 6, avoids the debris contact to hug closely the cover 6 inner wall for hug closely cover 6 inner wall and be scraped badly, lead to hugging closely cover 6 and change the phenomenon that the drunkenness appears, and the size of a plurality of stores groove 609 is the trend setting that the linearity increases progressively from top to bottom, make tiny debris can be fully hidden.
The connecting column 7 comprises a clamping block 701 connected with the ring position cover 506, and a clamping strip 702 connected with the side surface of the reinforcing sheet 501 is installed on one side surface of the clamping block 701 far away from the ring position cover 506.
The connecting column 7 is arranged so that when the connecting column 7 is assembled, one end of the clamping strip 702 is connected with the reinforcing plate 501, and then the clamping strip 702 is attached to the side surface of the end part of the contact strip 2, at this time, the clamping strip 702 with the clamping block 701 is inserted into the square groove 4, and then the support column 502 is inserted until the ring position cover 506 is embedded into the clamping block 701 (at this time, the clamping strip 702 is located in the limiting groove 507).
The centralizer is made of modified nylon, and the modified nylon comprises the following materials:
40-52 parts of poly (2, 6-dimethyl-1), 43-51 parts of 4-methylenediphenyl ether, 45-54 parts of nylon-6, 4-7 parts of TiO2, 33-40 parts of polyamide rubber, 80-100 parts of styrene heat-absorbing elastomer, 46-54 parts of terminal carbonyl, 44-58 parts of epoxy group, 33-60 parts of imino, 46-54 parts of hydroxyl and 47-55 parts of modified polyethylene of epoxy alkyl, and 3-11 parts of inorganic alkali metal salt.
Compared with the traditional centralizer, the centralizer made of the modified nylon has good rigidity, impact strength and solvent resistance (oil corrosion can be avoided because the centralizer is used for pumping oil), and meanwhile, the centralizer can also have good antistatic and corrosion resistance when in use.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The modified nylon is characterized by comprising the following raw material components in parts by weight: 40-52 parts of poly (2, 6-dimethyl-1, 43-51 parts of 4-methylene phenyl ether), 45-54 parts of nylon-6, 4-7 parts of TiO233-40 parts of polyamide rubber, 80-100 parts of styrene heat-absorbing elastomer, 46-54 parts of terminal carbonyl, 44-58 parts of epoxy group, 33-60 parts of imino group, 46-54 parts of hydroxyl, 47-55 parts of epoxy alkyl modified polyethylene and 3-11 parts of inorganic alkali metal salt.
2. A centralizer produced by using the modified nylon of claim 1, which is characterized by comprising a main body (1) and a plurality of contact strips (2) arranged on the side wall of the main body (1), wherein an auxiliary device (3) is sleeved on the inner side of the main body (1), a plurality of square grooves (4) are formed in the contact strips (2), and a roller mechanism (5) is arranged in each square groove (4);
the roller mechanism (5) comprises a reinforcing sheet (501) connected with the surfaces of the two ends of the contact strip (2) and a support column (502) which is in a T-shaped structure, penetrates through the square groove (4) and is connected with the outer side wall of the assistor (3), a clamping sleeve (503) is arranged at one end of the supporting column (502) far away from the assistor (3), a roller supporting column (502) is sleeved in the clamping sleeve (503), roller sleeves (504) are sleeved at both ends of the roller supporting column (502), a scraping sheet (505) with a U-shaped cross section is arranged between the two roller sleeves (504), a ring position cover (506) is arranged on the side wall of the supporting column (502), a connecting column (7) with the end part penetrating through the square groove (4) and connected with the surface of the reinforcing sheet (501) is connected in the ring position cover (506), and a limiting groove (507) for limiting the connecting column (7) is formed in the side wall of the ring position cover (506).
3. A centraliser according to claim 2, wherein the roller supporting columns (502) are fitted with a number of inclined scraping bars (508) on both end surfaces, the length of the inclined scraping bars (508) having a smaller value than the outer diameter of the roller sleeve (504).
4. A centralizer as claimed in claim 1, characterised in that a reinforcing bar (509) is arranged between two reinforcing plates (501), the side surface of the reinforcing bar (509) is provided with a plurality of protective bars (510) wrapped on the outer side wall of the contact bar (2), and the surface of the contact bar (2) is provided with hidden grooves (511) for positioning the reinforcing bar (509) and the protective bars (510).
5. The centralizer of claim 1, characterized in that, the tip inside wall of main part (1) is seted up and is carried out spacing constant head tank (101) to assistor (3), assistor (3) are including cup jointing hugging closely cover (6) in main part (1) hugging closely the lateral wall of hugging closely cover (6) is installed a plurality of and is corresponded with contact strip (2) position and transversal U font structure's supplementary contact strip (301), the tip inner wall of supplementary contact strip (301) is installed and is carried out spacing fixed block (302) to support column (502) hugging closely the inner wall of cover (6) is seted up and is spiral helicine seal groove (303), antislip strip (304) that are used for increasing frictional force are installed to the inner wall of seal groove (303).
6. A centralizer as claimed in claim 5, wherein the close fitting sleeve (6) is composed of two semicircular mounting sleeves (601) with the same structure, a quick assembly bar (602) with a convex-shaped cross section is mounted on the side wall of one of the semicircular mounting sleeves (601), and a bar fixing groove (603) is formed in the position, corresponding to the quick assembly bar (602), of the side wall of the other semicircular mounting sleeve (601).
7. The centralizer according to claim 5, characterized in that anti-shaking devices (8) are arranged on outer side walls of two ends of the clinging sleeve (6), a pressing block sliding hole (604) is formed in the outer wall of one side, close to the anti-shaking devices (8), of the clinging sleeve (6), each anti-shaking device (8) comprises an adjusting block (801) in threaded connection with the clinging sleeve (6) and a pressing block (802) in a T-shaped structure, a stepped pressure groove (803) is formed in one side, close to the main body (1), of the adjusting block (801), the pressing block (802) is located in the pressing block sliding hole (604), and a slope block (804) which is in a right-angle-shaped structure in cross section and is used for being embedded into the stepped pressure groove (803) is installed at one end, close to the adjusting block (802), close to the adjusting block (801).
8. A centralizer as claimed in claim 5, wherein the side wall of the close fitting sleeve (6) is provided with a plurality of through grooves (605), a sliding block (606) is connected in the through grooves (605), one end of the sliding block (606) is provided with a pushing block (607) with an isosceles trapezoid structure in cross section, and the other end of the sliding block (606) is provided with a rubber pressing block (608).
9. A centralizer according to claim 5, characterized in that the inner wall of the clinging sleeve (6) is provided with a plurality of storage grooves (609) which correspond to the rubber pressing block (608) in position and have V-shaped cross sections.
10. A centralizer as claimed in claim 1, characterised in that the connecting column (7) comprises a snap-in block (701) connected to the ring position cover (506), and a snap strip (702) connected to the side of the reinforcing sheet (501) is mounted on the surface of the snap-in block (701) far away from the ring position cover (506).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332128.3A CN111363292A (en) | 2020-04-24 | 2020-04-24 | Modified nylon and centralizer produced by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332128.3A CN111363292A (en) | 2020-04-24 | 2020-04-24 | Modified nylon and centralizer produced by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111363292A true CN111363292A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010332128.3A Pending CN111363292A (en) | 2020-04-24 | 2020-04-24 | Modified nylon and centralizer produced by same |
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| Country | Link |
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| CN (1) | CN111363292A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323601A (en) * | 2021-06-30 | 2021-08-31 | 江苏力克石油机械有限公司 | Radial adjustment type sucker rod centralizer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008265498A (en) * | 2007-04-19 | 2008-11-06 | Toyoda Gosei Co Ltd | Weather strip and fitting method thereof |
| CN105330940A (en) * | 2015-11-23 | 2016-02-17 | 东营咸亨工贸有限公司 | Sucker rod centralizer, material for preparing same and manufacturing method of sucker rod centralizer |
| CN109648724A (en) * | 2018-12-26 | 2019-04-19 | 柳州申通汽车科技有限公司 | A kind of processing technology of activeness and quietness nylon composite materials |
-
2020
- 2020-04-24 CN CN202010332128.3A patent/CN111363292A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008265498A (en) * | 2007-04-19 | 2008-11-06 | Toyoda Gosei Co Ltd | Weather strip and fitting method thereof |
| CN105330940A (en) * | 2015-11-23 | 2016-02-17 | 东营咸亨工贸有限公司 | Sucker rod centralizer, material for preparing same and manufacturing method of sucker rod centralizer |
| CN109648724A (en) * | 2018-12-26 | 2019-04-19 | 柳州申通汽车科技有限公司 | A kind of processing technology of activeness and quietness nylon composite materials |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323601A (en) * | 2021-06-30 | 2021-08-31 | 江苏力克石油机械有限公司 | Radial adjustment type sucker rod centralizer |
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Effective date of registration: 20200806 Address after: No.2, Xiwai Village Industrial Park, Sanqiao sub district office, Fengdong new town, Xixian New District, Xi'an City, Shaanxi Province Applicant after: Shaanxi xinhuahang Industrial Co.,Ltd. Address before: No.36, Taibai South Road, Beilin District, Xi'an City, Shaanxi Province, 710000 Applicant before: Shaanxi Xinhong fluoroplastic machinery and electrical industry and Trade Co.,Ltd. |
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Application publication date: 20200703 |