CN106522856A - Hybrid fiber reinforced thermosetting resin composite sucker rod centralizer and manufacturing method thereof - Google Patents
Hybrid fiber reinforced thermosetting resin composite sucker rod centralizer and manufacturing method thereof Download PDFInfo
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- CN106522856A CN106522856A CN201610995666.4A CN201610995666A CN106522856A CN 106522856 A CN106522856 A CN 106522856A CN 201610995666 A CN201610995666 A CN 201610995666A CN 106522856 A CN106522856 A CN 106522856A
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- China
- Prior art keywords
- oil pumping
- centering device
- pumping rod
- fibre
- main body
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1071—Wear protectors; Centralising devices, e.g. stabilisers specially adapted for pump rods, e.g. sucker rods
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
Abstract
The invention discloses a hybrid fiber reinforced thermosetting resin composite sucker rod centralizer. The hybrid fiber reinforced thermosetting resin composite sucker rod centralizer comprises an sucker rod centralizer main body, abrasion-resistant edges arranged on the outer surface of the sucker rod centralizer main body, and an abrasion-resistant layer wrapping the surfaces of the abrasion-resistant edges. The sucker rod centralizer main body, the abrasion-resistant edges and the abrasion-resistant layer are made from continuous fiber two-dimensional fabric lamination reinforced thermosetting resin. The sucker rod centralizer main body is of a symmetrical two-piece structure. The centralizer symmetrical two-piece structure completes the folding and fixing functions through metal sliding grooves and metal clamping buckles. Materials of the sucker rod centralizer main body adopts the hybrid fiber two-dimensional fabric presoaked thermosetting resin lamination structure, and the centralizer has the comprehensive advantages of high strength, rigidity and abrasion resistant characteristic, corrosion resistance, high temperature resistance and long service life and can be widely applied to downhole operation of flat-band type sucker rods.
Description
Technical field
The invention belongs to technical field of oil production engineering, and in particular to a kind of assorted fibre strengthens thermoset ting resin composite
Oil pumping rod centering device and preparation method thereof.
Background technology
Major way used by oil recovery field has remained the reciprocating pumping unit of bar at present, in whole oil production equipment,
The application of sucker rod is emphasis therein.And the deadweight of traditional metal material sucker rod is larger, corrosion resistance is poor, therefore closely
Over year, the sucker rod of composite material quality mainly becomes the staple product of through engineering approaches replacement, also so that oil recovery efficiency and oil recovery quality
It is improved largely, is wherein exactly the most typically carbon fiber resin matrix composite sucker rod.But New Type Material is taken out
Beam hanger there is also the fretting wear problem that the body of rod is caused with oil well tube wall bias in practical work process, and this also has a strong impact on
The working life of sucker rod and oil recovery efficiency, therefore the solution of the eccentric abrasion prevention problem based on carbon fiber Flat belt type composite sucker rod
Certainly, be improve carbon fibre pumping rod application focus technology problem.
The main path for solving the technical barrier 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 low price of metal material, high temperature resistant, but its friction problem is serious, and mould
The temperature-resistance characteristic of material 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 is mainly molded using more at present
The product of moulding process processing, the centralizer product that the technique is prepared often strengthen thermoplastic resin using chopped strand, by
It is less in the continuous length of fiber, therefore the centralizer after molding is often also subject to down-hole complex working condition during life-time service
The threat of environment, service life are difficult to ensure that.
The content of the invention
For above-mentioned the deficiencies in the prior art, the present invention provides a kind of assorted fibre enhancing thermoset ting resin composite and takes out
Beam centralizer and preparation method thereof, centralizer main material of the present invention presoak thermosetting resin using assorted fibre two-dimensional fabric
Laminated construction, the comprehensive advantage of, rigid big, antiwear characteristic high, corrosion-resistant, high temperature resistant, long service life high with intensity, can be wide
The general underground work suitable for Flat belt type sucker rod.
For realizing above-mentioned technical purpose, the present invention is adopted the following technical scheme that：
A kind of assorted fibre strengthens thermoset ting resin composite oil pumping rod centering device, including oil pumping rod centering device main body and
The abrasionproof rib for being arranged on the oil pumping rod centering device body outer surface and the wearing layer for being coated on the abrasionproof edge surface；It is described
Oil pumping rod centering device main body, abrasionproof rib and wearing layer strengthen thermosetting resin using continuous fiber two-dimensional fabric lamination and make；Institute
It is symmetrical two halves formula structure to state oil pumping rod centering device main body, and the symmetrical two halves formula structure of described centralizer is by embedded metal cunning
Groove and metal buckle complete pairing and fixing function；
On the inside of the oil pumping rod centering device main body be rod holder chamber, the holding chamber surface be provided with multigroup raised item and
Storage glue groove, wherein described raised item are used for strengthening the friction on bandlet sucker rod surface and holding chamber surface, and the storage glue groove is arranged
Between adjacent protrusion bar, storage glue groove strengthens viscous when holding chamber surface-coated binding agent is to bond sucker rod with centralizer
Knotting strength makes its fixed effect more preferably.Storage glue groove also ensures that the binding agent for clamping intracavity is difficult when centralizer pairing is assembled simultaneously
Glue is extruded；
Preferably, 1/3-1/2 of the length of the metal sliding slot for centralizer length, the metal buckle is using one side
A pair of metal bails complete to fix, and the metal sliding slot and metal buckle are by embedded embedded mode and bulk composite material righting
Device forms entirety；
Preferably, between 3-10mm, between 10-40mm, length is in 50- for width for rod holder chamber thickness
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, based on high temperature resistant thermosetting resin, the fiber of selection is carbon fiber, glass fibre, aramid fiber, UHMWPE fine
Any one or more in dimension, basalt fibre mixes, and two-dimensional fabric single layer structure form is from plain weave, twill, satin weave
Any one, any one or more combination of lamination from above-mentioned two-dimensional fabric single layer structure, the thermosetting resin is
Any one or more group in the epoxy of modified heat convertible, phenolic aldehyde, politef, unsaturated polyester (UP), polyimide resin
Close；
It is further preferred that the modification mode is：Using inorganic particle or metal-powder or chopped strand as changing
Property agent be introduced in resin matrix by physical blending and be modified, inorganic particle modifying agent used is carborundum, aluminium oxide, nitrogen
Change boron, boron carbide, one or more combination in silicon-dioxide powdery, metal-powder modifying agent from iron powder, Hydrocerussitum (Ceruse), argentum powder,
Any one or more combination in copper powder body, in 0.5-2cm, the chopped strand is fine from carbon for chopped strand modifying agent length
Any one or more in dimension, glass fibre, aramid fiber, UHMWPE fibers or basalt fibre mixes, modifying agent used
2-10% of the consumption for resin matrix weight；
Preferably, the wearing layer adopts fibre three-dimensional fabric as main body is strengthened, with modified heat convertible resin as base
Body, fiber used be boron fibre, silicon carbide fibre, alumina fibre, one or more in basalt fibre, two-dimensional fabric list
, from any one in plain weave, twill, satin weave, lamination is any one from above-mentioned two-dimensional fabric single layer structure for Rotating fields form
Kind or multiple combination, the modified heat convertible resin is the epoxy of modified heat convertible, phenolic aldehyde, politef, unsaturated polyester (UP),
Any one or more in polyimide resin.
The modification mode is：The modification mode is：Using inorganic particle or metal-powder or chopped strand conduct
Modifying agent is introduced in resin matrix by physical blending and is modified, inorganic particle modifying agent used be carborundum, aluminium oxide,
Iron powder, Hydrocerussitum (Ceruse), silver are selected in one or more combination in boron nitride, boron carbide, silicon-dioxide powdery, metal-powder modifying agent
Any one or more combination in powder, copper powder body, chopped strand modifying agent length in 0.5-2cm, select by the chopped strand
Any one or more in carbon fiber, glass fibre, aramid fiber, UHMWPE fibers or basalt fibre mixes, used to change
Property agent consumption for resin matrix weight 2-10%；
Present invention also offers the preparation method of the oil pumping rod centering device, with the fiber prepreg thermosetting tree of unlike material
Fat fabric is raw material, and lamination is laid in centralizer mould afterwards, is obtained final product sucker rod using temperature-pressure mode molding and is helped
Positive device.
Preferably, in 20-50%, heating-up temperature is 120-250 DEG C to the control of thermosetting resin content, and moulding pressure is 10-
30Mpa, process time are 15min-2h.
Finally, the invention discloses a kind of sucker rod, the sucker rod is provided with above-mentioned oil pumping rod centering device.
A kind of assorted fibre of the present invention strengthens same with thermosetting compound material oil pumping rod centering device and conventional metals, plastic material
And injection mo(u)lding composite material centralizer is compared with following features：
First, using two-dimensional fabric laminated construction compression molding, the fabric of continuous length causes centralizer itself
Mechanical strength, rigidity improve a lot, and decay resistance and service life also make moderate progress；
Second, using the special type composite material abrasion-proof gauge surface layer of abrasionproof rib, the down-hole antiwear characteristic of centralizer is effectively improved,
Improve service life；
3rd, using storage plastic structure and the raised fricting strip structure design of clamping intracavity, effectively improve Flat belt type composite wood
The frictional force of material sucker rod, while improving the intensity that is fixedly connected of glue, improves centralizer clamping stability.
Description of the drawings
The outboard structure schematic diagram of Fig. 1 composite material centralizers, two halves symmetrical structure are passed through by 1 pairing of metal sliding slot
Metal buckle 2 is fixed, abrasionproof rib 6 of the outside with wearing layer 7.
Fig. 2 is composite material centralizer inside structure schematic diagram, and 2 is buckle-type fixing device, and inner side is holding tank 3,
Storage glue groove 4 and raised item 5 is carried in holding chamber.
Fig. 3 is composite material centralizer side schematic view.
Specific embodiment
Embodiment 1
Concrete structure embodiment based on the oil pumping rod centering device of the present invention is as follows：
Assorted fibre strengthens thermoset ting resin composite oil pumping rod centering device and adopts symmetrical two halves formula structure, in centralizer
Side be provided with metal sliding slot and a pair of metal bails, wherein track length is centralizer length 1/2, when pairing, metal card
Nail completes the pairing of two halves Split type structure, and centralizer is accurately positioned along metal sliding slot movement guarantee.
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 be in close contact, clamping intracavity be provided with 6 groups of raised items and 6 groups of storage glue grooves, it is ensured that sucker rod with
The friction of holding chamber is fixed with gluing.
Outer surface after centralizer pairing entirety is that width is 11mm, four groups of abrasionproof ribs of height 23mm, abrasionproof rib table
Face prepares wearing layer using 4 layer laminate fabric constructions of the twill weave of basalt fibre, using epoxy resin, and final surface is resistance to
The thickness of mill layer is 6mm.
Centralizer main body adopts 800 carbon fiber of continuous T and aramid fiber to press 1:5 plains cloth for mixing prepare monolayer, will
Monolayer preimpregnation content is the epoxy resin that 50% length for adopting 5% content is modified for the T300 chopped carbon fibers of 1cm, afterwards
The monolayer two-dimensional fabric of specific lamination quantity is plated in molding die, before monolayer two-dimensional fabric is plated in, in advance in mould
Lay above-mentioned wearing layer in the wearing layer position on chamber surface.Mould is put into heating in hot press after fabric laminate is plated in add
Pressure, heating-up temperature are 150 DEG C, and hot pressing pressure is 10Mpa, and process time is 1 hour, afterwards cooling and demolding, forms final compound
Material oil pumping rod centering device product.
Embodiment 2
Concrete structure embodiment based on the oil pumping rod centering device of the present invention is as follows：
Assorted fibre strengthens thermoset ting resin composite oil pumping rod centering device and adopts symmetrical two halves formula structure, in centralizer
Side be provided with metal sliding slot and a pair of metal bails, wherein track length is centralizer length 1/2, when pairing, metal card
Nail completes the pairing of two halves Split type structure, and centralizer is accurately positioned along metal sliding slot movement guarantee.
After centralizer pairing positioning, inner surface be 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 clamping intracavity is provided with 4 groups of raised items and 4 groups of storage glue grooves, it is ensured that 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 thickness is 7mm.
Centralizer main body adopts 700 carbon fiber of continuous T and aramid fiber to press 5:1 plain cloth for being mixed prepares single
Monolayer is presoaked the boron nitride powder modified epoxy of 2% content of employing that content is 20%, afterwards by specific lamination number by layer
The monolayer two-dimensional fabric of amount is plated in molding die, before monolayer two-dimensional fabric is plated in, in advance in the wear-resisting of cavity surface
Lay above-mentioned wearing layer in layer position.Mould is put into into temperature-pressure in hot press after fabric laminate is plated in, heating-up temperature is
120 DEG C, hot pressing pressure is 18Mpa, and process time is 2 hours, and cooling and demolding, forms final composite sucker rod stabilizing afterwards
Device product.
Embodiment 3
Concrete structure embodiment based on the oil pumping rod centering device of the present invention is as follows：
Assorted fibre strengthens thermoset ting resin composite oil pumping rod centering device and adopts symmetrical two halves formula structure, in centralizer
Side be provided with metal sliding slot and a pair of metal bails, wherein track length is centralizer length 1/2, when pairing, metal card
Nail completes the pairing of two halves Split type structure, and centralizer is accurately positioned along metal sliding slot movement guarantee.
After centralizer pairing positioning, 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 clamping intracavity is provided with 6 groups of raised items and 6 groups of storage glue grooves, it is ensured that oil pumping
The friction of bar and holding chamber is fixed with gluing.
Outer surface after centralizer pairing entirety is width 20mm, four groups of abrasionproof ribs highly for 25mm, abrasionproof rib table
Face prepares wearing layer using 8 layer laminate fabric constructions of the satin weave of silicon carbide fibre, using epoxy resin, and final surface is resistance to
The thickness of mill layer is 6mm.
Centralizer main body adopts 300 carbon fiber of continuous T and glass fibre to press 1:4 plains cloth for mixing prepare monolayer, will
Monolayer preimpregnation content is the modifies polyflon of copper powder of 20% 4% content of employing, specific will be folded afterwards
The monolayer two-dimensional fabric of layer number is plated in molding die, before monolayer two-dimensional fabric is plated in, in advance in cavity surface
Lay above-mentioned wearing layer in wearing layer position.Mould is put into into temperature-pressure in hot press, heating temperature after fabric laminate is plated in
Spend for 120 DEG C, hot pressing pressure is 20Mpa, and process time is 1.5 hours, afterwards cooling and demolding, forms final composite oil pumping
Bar centralizer product.
Embodiment 4
Concrete structure embodiment based on the oil pumping rod centering device of the present invention is as follows：
Assorted fibre strengthens thermoset ting resin composite oil pumping rod centering device and adopts symmetrical two halves formula structure, in centralizer
Side be provided with metal sliding slot and a pair of metal bails, wherein track length is centralizer length 1/3, when pairing, metal card
Nail completes the pairing of two halves Split type structure, and centralizer is accurately positioned along metal sliding slot movement guarantee.
After centralizer pairing positioning, inner surface be 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 clamping intracavity is provided with 5 groups of raised items and 5 groups of storage glue grooves, it is ensured that 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
Spend for 5mm.
Centralizer main body prepares monolayer using the twills of 800 carbon fiber of continuous T, is 30% by monolayer preimpregnation content
Using the powder-modified epoxy resin of 10% content boron nitride, the monolayer two-dimensional fabric of specific lamination quantity is plated in into molding afterwards
In mould, before monolayer two-dimensional fabric is plated in, above-mentioned wearing layer is laid in the wearing layer position of cavity surface in advance.By fabric
Mould is put into temperature-pressure in hot press after being plated in by lamination, and heating-up temperature is 250 DEG C, and hot pressing pressure is 30Mpa, during process
Between be 15min, cooling and demolding afterwards forms final composite oil pumping rod centering device product.
Although above-mentioned be described to the specific embodiment of the present invention in conjunction with the embodiments, not to present invention protection
The restriction of scope, one of ordinary skill in the art should be understood that on the basis of technical scheme, those skilled in the art
The various modifications made by creative work need not be paid or deformation are still within protection scope of the present invention.
Claims (10)
1. a kind of assorted fibre strengthens thermoset ting resin composite oil pumping rod centering device, it is characterised in that help including sucker rod
Positive device main body and it is arranged on the abrasionproof rib of the oil pumping rod centering device body outer surface and is coated on the abrasionproof edge surface
Wearing layer；The oil pumping rod centering device main body, abrasionproof rib and wearing layer strengthen thermosetting using continuous fiber two-dimensional fabric lamination
Resin is made；The oil pumping rod centering device main body is symmetrical two halves formula structure, and the symmetrical two halves formula structure of described centralizer passes through
Embedded metal sliding slot and metal buckle complete pairing and fixing function；
It is rod holder chamber on the inside of the oil pumping rod centering device main body, the holding chamber surface is provided with multigroup raised item and storage glue
Groove, the storage glue groove are arranged between adjacent protrusion bar.
2. a kind of assorted fibre as claimed in claim 1 strengthens thermoset ting resin composite oil pumping rod centering device, its feature
It is that the length of the metal sliding slot is the 1/3-1/2 of the oil pumping rod centering device length, the metal buckle is using one side
A pair of metal bails complete to fix, and the metal sliding slot and metal buckle are by embedded embedded mode and bulk composite material righting
Device forms entirety.
3. a kind of assorted fibre as claimed in claim 1 strengthens thermoset ting resin composite oil pumping rod centering device, its feature
It is that, between 3-10mm, between 10-40mm, length is between 50-200mm for width for rod holder chamber thickness.
4. a kind of assorted fibre as claimed in claim 1 strengthens thermoset ting resin composite oil pumping rod centering device, its feature
Be, the oil pumping rod centering device main body and abrasionproof rib using Wear-resistant, high-temperature resistant special fibre hybrid fabric as strengthening main body, with
Based on high temperature resistant thermosetting resin, the fiber of selection is carbon fiber, glass fibre, aramid fiber, UHMWPE fibers, basalt
Any one or more in fiber mixes, and two-dimensional fabric single layer structure form is selected any one in plain weave, twill, satin weave
Kind, any one or more combination of lamination from above-mentioned two-dimensional fabric single layer structure, the thermosetting resin is modified heat
Any one or more combination in the epoxy of solidity, phenolic aldehyde, politef, unsaturated polyester (UP), polyimide resin.
5. a kind of assorted fibre as claimed in claim 4 strengthens thermoset ting resin composite oil pumping rod centering device, its feature
It is that the modification mode is：Physical blending is passed through as modifying agent using inorganic particle or metal-powder or chopped strand
It is modified in being introduced into resin matrix.
6. a kind of assorted fibre as claimed in claim 5 strengthens thermoset ting resin composite oil pumping rod centering device, its feature
Be, inorganic particle modifying agent be carborundum, aluminium oxide, boron nitride, boron carbide, one or more group in silicon-dioxide powdery
Close, metal-powder modifying agent is modified from any one or more combination in iron powder, Hydrocerussitum (Ceruse), argentum powder, copper powder body, chopped strand
, in 0.5-2cm, the chopped strand is fine from carbon fiber, glass fibre, aramid fiber, UHMWPE fibers or basalt for agent length
Any one or more in dimension mixes, 2-10% of the amount of modifier used for resin matrix weight.
7. a kind of assorted fibre as claimed in claim 1 strengthens thermoset ting resin composite oil pumping rod centering device, its feature
It is that the wearing layer is using fibre three-dimensional fabric as enhancing main body, based on modified heat convertible resin, fiber used
For one or more in boron fibre, silicon carbide fibre, alumina fibre, basalt fibre, two-dimensional fabric single layer structure form
From any one in plain weave, twill, satin weave, any one or more group of lamination from above-mentioned two-dimensional fabric single layer structure
Close, the modified heat convertible resin is the epoxy of modified heat convertible, phenolic aldehyde, politef, unsaturated polyester (UP), polyimides tree
Any one or more in fat.
8. as described in claim 1～7 any one oil pumping rod centering device preparation method, it is characterised in that the preparation side
Method is as follows：As raw material, lamination is laid on centralizer mould to fiber thermosetting resin prepreg fabric with unlike material afterwards
It is interior, oil pumping rod centering device is obtained final product using temperature-pressure mode molding.
9. a kind of preparation method as claimed in claim 8, it is characterised in that thermosetting resin content is controlled in 20-50%, plus
Hot temperature is 120-150 DEG C, and moulding pressure is 10-30Mpa, and process time is 15min-2h.
10. a kind of sucker rod, the sucker rod are arranged just like the oil pumping rod centering device described in claim 1～7 any one.
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| WO2024010550A1 (en) * | 2022-07-07 | 2024-01-11 | Kordsa Teknik Tekstil Anonim Sirketi | Hybrid fabrics of carbon and ultra-high molecular weight polyethylene fibers for use in impact resistant articles |
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| CN106522856B (en) | 2019-03-08 |
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Address after: 132021 east side of Xingguang Road, Longtan District, Jilin City, Jilin Province Patentee after: JILIN SHENGYING CARBON FIBER PRODUCTS TECHNOLOGY Co.,Ltd. Address before: No.16 Xingguang Road, Qipan street, Jilin City, Jilin Province Patentee before: JILIN SHENGYING CARBON FIBER PRODUCTS Co.,Ltd. |