CN106522856B - A kind of assorted fibre enhancing thermoset ting resin composite oil pumping rod centering device and preparation method thereof - Google Patents

A kind of assorted fibre enhancing thermoset ting resin composite oil pumping rod centering device and preparation method thereof Download PDF

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Publication number
CN106522856B
CN106522856B CN201610995666.4A CN201610995666A CN106522856B CN 106522856 B CN106522856 B CN 106522856B CN 201610995666 A CN201610995666 A CN 201610995666A CN 106522856 B CN106522856 B CN 106522856B
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oil pumping
centering device
pumping rod
rod centering
fibre
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CN106522856A (en
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张敏
乔琨
曹伟伟
朱波
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JILIN SHENGYING CARBON FIBER PRODUCTS TECHNOLOGY Co.,Ltd.
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Jilin Win Win Carbon Fiber Products Co Ltd
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/18—Handling of layers or the laminate
    • B32B38/1808—Handling of layers or the laminate characterised by the laying up of the layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/105—Metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/12—Mixture of at least two particles made of different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a kind of assorted fibres to enhance thermoset ting resin composite oil pumping rod centering device, including oil pumping rod centering device main body and the abrasionproof rib of the oil pumping rod centering device body outer surface is arranged in and is coated on the wearing layer of the abrasionproof edge surface；The oil pumping rod centering device main body, abrasionproof rib and wearing layer are made of continuous fiber two-dimensional fabric lamination enhancing thermosetting resin；The oil pumping rod centering device main body is symmetrical two-half structure, and the symmetrical two-half structure of the centralizer completes pairing and fixed function by embedded metal sliding slot and metal buckle.Centralizer main material of the present invention presoaks thermosetting resin laminated construction using assorted fibre two-dimensional fabric, it is high with intensity, rigidity is big, antiwear characteristic is high, corrosion-resistant, high temperature resistant, comprehensive advantage with long service life, be widely portable to the underground work of Flat belt type sucker rod.

Description

A kind of assorted fibre enhancing thermoset ting resin composite oil pumping rod centering device and its system Preparation Method
Technical field
The invention belongs to technical field of oil production engineering, and in particular to a kind of assorted fibre enhancing thermoset ting resin composite Oil pumping rod centering device and preparation method thereof.
Background technique
Major way used in oil recovery field is still to have the reciprocating pumping unit of bar at present, in entire oil production equipment, The application of sucker rod is emphasis therein.And the self weight of traditional metal material sucker rod is larger, corrosion resistance is poor, therefore close The sucker rod of composite material quality mainly becomes the staple product of engineering substitution over year, but also oil recovery efficiency and oil recovery quality It is improved largely, the most typical one is exactly carbon fiber resin matrix composite sucker rod.However the pumping of New Type Material There is also fretting wear problem caused by the body of rod and oil well tube wall bias in practical work process, this is also seriously affected beam hanger The working life and oil recovery efficiency of sucker rod, therefore the solution of the eccentric abrasion prevention problem based on carbon fiber Flat belt type composite material sucker rod It certainly, is the focus technology problem for improving carbon fibre pumping rod application.
The main path for solving the technical problem at present is exactly to use oil pumping rod centering device, and traditional centralizer mainly has gold Category and plastic material two types, the centralizer of metal material is cheap, high temperature resistant, but its friction problem is serious, and moulds Expect that the temperature-resistance characteristic of macromolecule centralizer is poor, therefore the centralizer of both materials has certain hidden danger.Therefore in recent years, The oil pumping rod centering device of fibre reinforced composites mainly becomes the emphasis of application, but application at present is more to be mainly molded The product of moulding process processing, the centralizer product which prepares often use chopped strand to enhance thermoplastic resin, by It is smaller in the continuous length of fiber, therefore centralizer after molding is in the long-term use often also by underground complex working condition The threat of environment, service life are difficult to ensure.
Summary of the invention
In view of the above shortcomings of the prior art, the present invention provides a kind of assorted fibre enhancing thermoset ting resin composite pumping Beam centralizer and preparation method thereof, centralizer main material of the present invention presoak thermosetting resin using assorted fibre two-dimensional fabric Laminated construction, has that intensity is high, rigidity is big, antiwear characteristic is high, corrosion-resistant, high temperature resistant, comprehensive advantage with long service life, can be wide The general underground work suitable for Flat belt type sucker rod.
To realize the above-mentioned technical purpose, the present invention adopts the following technical scheme:
A kind of assorted fibre enhances thermoset ting resin composite oil pumping rod centering device, including oil pumping rod centering device main body and The abrasionproof rib of the oil pumping rod centering device body outer surface is set and is coated on the wearing layer of the abrasionproof edge surface；It is described Oil pumping rod centering device main body, abrasionproof rib and wearing layer are made of continuous fiber two-dimensional fabric lamination enhancing thermosetting resin；Institute Stating oil pumping rod centering device main body is symmetrical two-half structure, and the symmetrical two-half structure of the centralizer is sliding by embedded metal Slot and metal buckle complete pairing and fixed function；
Be rod holder chamber on the inside of the oil pumping rod centering device main body, the holding chamber surface be equipped with multiple groups raised item and Storage glue groove, wherein the raised item is used to enhance the friction on bandlet sucker rod surface Yu holding chamber surface, the storage glue groove setting Between adjacent protrusion item, for storage glue groove when holding chamber surface coats adhesive to bond sucker rod and centralizer, enhancing is viscous Knotting strength makes its fixed effect more preferably.Storage glue groove also guarantees that the adhesive in holding chamber is not easy when centralizer pairing is assembled simultaneously Glue is squeezed out；
Preferably, the length of the metal sliding slot is the 1/3-1/2 of centralizer length, and the metal buckle is using unilateral side A pair of of metal bail is completed to fix, and the metal sliding slot and metal buckle pass through embedded embedded mode and bulk composite material righting Device forms entirety；
Preferably, the rod holder chamber thickness is between 3-10mm, and width is between 10-40mm, and length is in 50- Between 200mm；
Preferably, the oil pumping rod centering device main body and abrasionproof rib are using Wear-resistant, high-temperature resistant special fibre hybrid fabric as increasing Strong main body, using high temperature resistant thermosetting resin as matrix, the fiber of selection is carbon fiber, glass fibre, aramid fiber, UHMWPE fibre Dimension, any one or more in basalt fibre mix, and two-dimensional fabric single layer structure form selects plain weave, twill, in satin weave Any one, lamination selects any one or more combination of above-mentioned two-dimensional fabric single layer structure, and the thermosetting resin is The epoxy of modified heat convertible, phenolic aldehyde, polytetrafluoroethylene (PTFE), unsaturated polyester (UP), any one or more group in polyimide resin It closes；
It is further preferred that the modification mode are as follows: be used as and changed using inorganic particle or metal-powder or chopped strand Property agent be introduced into resin matrix and be modified by physical blending, inorganic particle modifying agent used is silicon carbide, aluminium oxide, nitrogen Change boron, boron carbide, one of silicon-dioxide powdery or multiple combinations, metal-powder modifying agent select iron powder, lead powder, silver powder, Any one or more combination in copper powder body, chopped strand modifying agent length select carbon fiber in 0.5-2cm, the chopped strand Any one or more in dimension, glass fibre, aramid fiber, UHMWPE fiber or basalt fibre mixes, modifying agent used Dosage is the 2-10% of resin matrix weight；
Preferably, the wearing layer is used as enhancing main body using fibre three-dimensional braided fabric, using modified heat convertible resin as base Body, fiber used are one of boron fibre, silicon carbide fibre, alumina fibre, basalt fibre or a variety of, two-dimensional fabric list Layer structure type selects plain weave, twill, any one in satin weave, and lamination selects any one of above-mentioned two-dimensional fabric single layer structure Kind or multiple combinations, the modified heat convertible resin be the epoxy of modified heat convertible, phenolic aldehyde, polytetrafluoroethylene (PTFE), unsaturated polyester (UP), Any one or more in polyimide resin.
The modification mode are as follows: the modification mode are as follows: using inorganic particle or metal-powder or chopped strand conduct Modifying agent is introduced into resin matrix by physical blending and is modified, inorganic particle modifying agent used be silicon carbide, aluminium oxide, One of boron nitride, boron carbide, silicon-dioxide powdery or multiple combinations, metal-powder modifying agent select iron powder, lead powder, silver Any one or more combination in powder, copper powder body, chopped strand modifying agent length are selected in 0.5-2cm, the chopped strand Any one or more in carbon fiber, glass fibre, aramid fiber, UHMWPE fiber or basalt fibre mixes, used to change Property agent dosage be resin matrix weight 2-10%；
The present invention also provides the preparation methods of the oil pumping rod centering device, with the fiber prepreg thermosetting property tree of unlike material Rouge fabric is raw material, and lamination is laid in centralizer molding die later, is formed using temperature-pressure mode and is helped up to sucker rod Positive device.
Preferably, the control of thermosetting resin content is in 20-50%, and heating temperature is 120-250 DEG C, moulding pressure 10- 30Mpa, processing time are 15min-2h.
Finally, the sucker rod is provided with above-mentioned oil pumping rod centering device the invention discloses a kind of sucker rod.
A kind of assorted fibre enhancing same with thermosetting compound material oil pumping rod centering device of the invention and conventional metals, plastic material And injection molding composite material centralizer is compared and is had a characteristic that
First, it is pressed and molded using two-dimensional fabric laminated construction, the fabric of continuous length makes centralizer itself Mechanical strength, rigidity improve a lot, and corrosion resistance and service life also make moderate progress；
Second, using the special type composite material abrasion-proof gauge surface layer of abrasionproof rib, the underground antiwear characteristic of centralizer is effectively improved, It improves service life；
Third effectively improves Flat belt type composite wood using the storage plastic structure and protrusion fricting strip structure design in holding chamber Expect the frictional force of sucker rod, while improving the intensity that is fixedly connected of glue, improves centralizer clamping stability.
Detailed description of the invention
The outside structure diagram of Fig. 1 composite material centralizer, two halves symmetrical structure are passed through by 1 pairing of metal sliding slot Metal buckle 2 is fixed, and outside has the abrasionproof rib 6 of wearing layer 7.
Fig. 2 is composite material centralizer inside structure schematic diagram, and 2 be the fixed device of buckle-type, and inside is holding tank 3, Storage glue groove 4 and raised item 5 are had in holding chamber.
Fig. 3 is composite material centralizer side schematic view.
Specific embodiment
Embodiment 1
Specific structure embodiment based on oil pumping rod centering device of the invention is as follows:
Assorted fibre enhances thermoset ting resin composite oil pumping rod centering device and uses symmetrical two-half structure, in centralizer Side be equipped with metal sliding slot and a pair of of metal bail, wherein track length is centralizer length 1/2, when pairing, metal card Nail completes the pairing of two halves separate structure, and centralizer moves guarantee along metal sliding slot and is accurately positioned.
Centralizer pairing positioning after, inner surface be thickness 5mm, width 12mm, length 110mm holding chamber and bandlet Formula pumping rod of composite carbon fiber material is in close contact, and 6 groups of raised items and 6 groups of storage glue grooves are equipped in holding chamber, guarantee sucker rod with The friction of holding chamber is fixed with gluing.
Outer surface after centralizer pairing entirety be width be 11mm, four groups of abrasionproof ribs of height 23mm, abrasionproof rib table Face is used 4 layer laminate fabric constructions of the twill weave of basalt fibre, is prepared wearing layer using epoxy resin, and final surface is resistance to Grind layer with a thickness of 6mm.
Centralizer main body prepares single layer by the plain cloth that 1:5 mixes using 800 carbon fiber of continuous T and aramid fiber, will The epoxy resin for using the length of 5% content modified for the T300 chopped carbon fiber of 1cm that single layer preimpregnation content is 50%, later The single layer two-dimensional fabric of specific lamination quantity is plated in molding die, before being plated in single layer two-dimensional fabric, in advance in mould The wearing layer position on chamber surface is laid with above-mentioned wearing layer.Mold heating in hot press is put into after fabric laminate is plated in add Pressure, heating temperature are 150 DEG C, hot pressing pressure 10Mpa, and the processing time is 1 hour, later cooling and demolding, are formed final compound Material oil pumping rod centering device product.
Embodiment 2
Specific structure embodiment based on oil pumping rod centering device of the invention is as follows:
Assorted fibre enhances thermoset ting resin composite oil pumping rod centering device and uses symmetrical two-half structure, in centralizer Side be equipped with metal sliding slot and a pair of of metal bail, wherein track length is centralizer length 1/2, when pairing, metal card Nail completes the pairing of two halves separate structure, and centralizer moves guarantee along metal sliding slot and is accurately positioned.
After the positioning of centralizer pairing, inner surface is thickness in 10mm, width 40mm, the holding chamber of length 100mm with it is flat Belt pumping rod of composite carbon fiber material is in close contact, and 4 groups of raised items and 4 groups of storage glue grooves are equipped in holding chamber, guarantees sucker rod Friction with holding chamber is fixed with gluing.
Outer surface after centralizer pairing entirety is that width is 20mm, is highly four groups of abrasionproof ribs of 22mm, abrasionproof rib Surface prepares wearing layer using 4 layer laminate fabric constructions of the satin weave of alumina fibre, using polyimide resin, finally Surface wear-resistant layer is with a thickness of 7mm.
Centralizer main body is prepared using 700 carbon fiber of continuous T and aramid fiber by the plain cloth that 5:1 is mixed single Layer, by the boron nitride powder modified epoxy for 2% content of use that single layer preimpregnation content is 20%, later by specific lamination number The single layer two-dimensional fabric of amount is plated in molding die, before being plated in single layer two-dimensional fabric, in advance in the wear-resisting of cavity surface Layer position is laid with above-mentioned wearing layer.Mold is put into temperature-pressure in hot press after fabric laminate is plated in, heating temperature is 120 DEG C, hot pressing pressure 18Mpa, the processing time is 2 hours, and cooling and demolding, forms final composite material sucker rod stabilizing later Device product.
Embodiment 3
Specific structure embodiment based on oil pumping rod centering device of the invention is as follows:
Assorted fibre enhances thermoset ting resin composite oil pumping rod centering device and uses symmetrical two-half structure, in centralizer Side be equipped with metal sliding slot and a pair of of metal bail, wherein track length is centralizer length 1/2, when pairing, metal card Nail completes the pairing of two halves separate structure, and centralizer moves guarantee along metal sliding slot and is accurately positioned.
After the positioning of centralizer pairing, inner surface be thickness in 8mm, width in 40mm, length 200mm holding chamber with Flat belt type pumping rod of composite carbon fiber material is in close contact, and 6 groups of raised items and 6 groups of storage glue grooves are equipped in holding chamber, guarantees oil pumping The friction of bar and holding chamber is fixed with gluing.
Outer surface after centralizer pairing entirety is width 20mm, is highly four groups of abrasionproof ribs of 25mm, abrasionproof rib table Face is used 8 layer laminate fabric constructions of the satin weave of silicon carbide fibre, is prepared wearing layer using epoxy resin, and final surface is resistance to Grind layer with a thickness of 6mm.
Centralizer main body prepares single layer by the plain cloth that 1:4 mixes using 300 carbon fiber of continuous T and glass fibre, will Single layer presoaks the modifies polyflon of the copper powder using 4% content that content is 20%, later will be specific folded The single layer two-dimensional fabric of layer number is plated in molding die, before being plated in single layer two-dimensional fabric, in advance in cavity surface Wearing layer position is laid with above-mentioned wearing layer.Mold is put into temperature-pressure in hot press, heating temperature after fabric laminate is plated in Degree is 120 DEG C, hot pressing pressure 20Mpa, and the processing time is 1.5 hours, later cooling and demolding, forms final composite material oil pumping Bar centralizer product.
Embodiment 4
Specific structure embodiment based on oil pumping rod centering device of the invention is as follows:
Assorted fibre enhances thermoset ting resin composite oil pumping rod centering device and uses symmetrical two-half structure, in centralizer Side be equipped with metal sliding slot and a pair of of metal bail, wherein track length is centralizer length 1/3, when pairing, metal card Nail completes the pairing of two halves separate structure, and centralizer moves guarantee along metal sliding slot and is accurately positioned.
After the positioning of centralizer pairing, inner surface is thickness in 10mm, width 40mm, length 200mm holding chamber with Flat belt type pumping rod of composite carbon fiber material is in close contact, and 5 groups of raised items and 5 groups of storage glue grooves are equipped in holding chamber, guarantees oil pumping The friction of bar and holding chamber is fixed with gluing.
Outer surface after centralizer pairing entirety is that width is 20mm, is highly four groups of abrasionproof ribs of 25mm, abrasionproof rib Surface prepares wearing layer using 5 layer laminate fabric constructions of the plain weave of boron fibre, using phenolic resin, final wear-resisting thickness Degree is 5mm.
Centralizer main body prepares single layer using the twills of 800 carbon fiber of continuous T, is 30% by single layer preimpregnation content Using the 10% powder-modified epoxy resin of content boron nitride, the single layer two-dimensional fabric of specific lamination quantity is plated in molding later In mold, before being plated in single layer two-dimensional fabric, above-mentioned wearing layer is laid in the wearing layer position of cavity surface in advance.By fabric Mold is put into temperature-pressure in hot press after being plated in by lamination, and heating temperature is 250 DEG C, hot pressing pressure 30Mpa, when processing Between be 15min, cooling and demolding, forms final composite material oil pumping rod centering device product later.
Above-mentioned, although specific embodiments of the present invention have been described in conjunction with the embodiments, not protects to the present invention The limitation of range, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art The various modifications or changes that can be made are not needed to make the creative labor still within protection scope of the present invention.

Claims (4)

1. a kind of assorted fibre enhances thermoset ting resin composite oil pumping rod centering device, which is characterized in that helped including sucker rod Positive device main body and the abrasionproof rib of the oil pumping rod centering device body outer surface is set and is coated on the abrasionproof edge surface Wearing layer；The oil pumping rod centering device main body, abrasionproof rib and wearing layer enhance thermosetting property using continuous fiber two-dimensional fabric lamination Resin is made；The oil pumping rod centering device main body is symmetrical two-half structure, and the symmetrical two-half structure of the centralizer passes through Embedded metal sliding slot and metal buckle complete pairing and fixed function；
It is rod holder chamber on the inside of the oil pumping rod centering device main body, the holding chamber surface is equipped with multiple groups raised item and storage glue Slot, the storage glue groove are set between adjacent protrusion item；
The length of the metal sliding slot is the 1/3-1/2 of the oil pumping rod centering device length, and the metal buckle is using unilateral side A pair of of metal bail is completed to fix, and the metal sliding slot and metal buckle pass through embedded embedded mode and bulk composite material righting Device forms entirety；
The oil pumping rod centering device main body and abrasionproof rib are using Wear-resistant, high-temperature resistant special fibre hybrid fabric as enhancing main body, with resistance to High temperature thermosetting resin is matrix, and the fiber of selection is carbon fiber, glass fibre, aramid fiber, UHMWPE fiber, basalt fibre Any one or more in dimension mixes, and two-dimensional fabric single layer structure form selects plain weave, twill, any one in satin weave, Lamination selects any one or more combination of above-mentioned two-dimensional fabric single layer structure, and the thermosetting resin is modified thermosetting property Epoxy, phenolic aldehyde, polytetrafluoroethylene (PTFE), unsaturated polyester (UP), any one or more combination in polyimide resin；
The wearing layer is using fiber two-dimensional fabric as enhancing main body, and using modified heat convertible resin as matrix, fiber used is One of boron fibre, silicon carbide fibre, alumina fibre, basalt fibre are a variety of, the choosing of two-dimensional fabric single layer structure form With any one in plain weave, twill, satin weave, lamination selects any one or more group of above-mentioned two-dimensional fabric single layer structure It closes, the modified heat convertible resin is epoxy, phenolic aldehyde, polytetrafluoroethylene (PTFE), the unsaturated polyester (UP), polyimides tree of modified heat convertible Any one or more in rouge；
The modification mode are as follows: drawn as modifying agent by physical blending using inorganic particle or metal-powder or chopped strand Enter in resin matrix and is modified；
The oil pumping rod centering device the preparation method is as follows: using the fiber thermosetting resin prepreg fabric of unlike material as raw material, Lamination is laid in centralizer molding die later, is formed using temperature-pressure mode up to oil pumping rod centering device；
Wherein the control of thermosetting resin content is in 20-50%, and heating temperature is 120-150 DEG C, moulding pressure 10-30Mpa, place The reason time is 15min-2h.
2. a kind of assorted fibre as described in claim 1 enhances thermoset ting resin composite oil pumping rod centering device, feature It is, the rod holder chamber thickness is between 3-10mm, and width is between 10-40mm, and length is between 50-200mm.
3. a kind of assorted fibre as described in claim 1 enhances thermoset ting resin composite oil pumping rod centering device, feature It is, inorganic particle modifying agent is one of silicon carbide, aluminium oxide, boron nitride, boron carbide, silicon-dioxide powdery or a variety of groups It closes, metal-powder modifying agent selects iron powder, lead powder, silver powder, any one or more combination in copper powder body, and chopped strand is modified For agent length in 0.5-2cm, the chopped strand selects carbon fiber, glass fibre, aramid fiber, UHMWPE fiber or basalt fine Any one or more in dimension mixes, and amount of modifier used is the 2-10% of resin matrix weight.
4. a kind of sucker rod, the sucker rod is arranged just like oil pumping rod centering device described in claims 1 to 3 any one.
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