CN208267771U - Pumping rod of composite carbon fiber material with autonomous repair function - Google Patents
Pumping rod of composite carbon fiber material with autonomous repair function Download PDFInfo
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- CN208267771U CN208267771U CN201820176721.1U CN201820176721U CN208267771U CN 208267771 U CN208267771 U CN 208267771U CN 201820176721 U CN201820176721 U CN 201820176721U CN 208267771 U CN208267771 U CN 208267771U
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Abstract
The utility model discloses a kind of pumping rod of composite carbon fiber material with autonomous repair function, belong to oil extraction in oil field technical field.The sucker rod successively includes that carbon fiber one-way composite material sandwich layer, thermoplastic fibre hot melt braiding layer and chopped carbon fiber enhance the corrosion-resistant rigid layer of thermosetting resin from inside to outside, wherein: carbon fiber one-way composite material sandwich layer uses pole structure, is constituted with continuously unidirectional carbon fiber filament enhancing thermosetting resin matrix；Thermoplastic fibre hot melt braiding layer is located at carbon fiber one-way composite material core layer surface, is woven and is prepared using thermoplastic organic fiber long filament；The chopped carbon fiber enhancing corrosion-resistant rigid layer of thermosetting resin is mixed into thermosetting resin matrix using the chopped carbon fiber of specific length, is coated final heat cure in thermoplastic fibre hot melt braiding layer surface injection and is formed.There is the problem of microdefect in the military service process that the utility model is able to solve Carbon Fiber Reinforced Plastic Continuous Sucker Rod present in current oil production equipment.
Description
Technical field
The utility model relates to oil extraction in oil field technical fields, and it is multiple to particularly relate to a kind of carbon fiber with autonomous repair function
Condensation material sucker rod.
Background technique
With the development of oil exploitation industry and the continuous improvement of oil recovery scale, effective use for complicated oil well and more
The secondary development of big depth oil well all becomes the work of the most important thing, and complexity also occurs in the domestic oil well type recovered the oil at present
Trend, therefore traditional pumping rod made by steel is gradually substituted by the sucker rod of composite material quality.
Composite material belongs to multiphase solid material, and the domestic sucker rod used is mainly galss fiber reinforced resin base at present
Composite material sucker rod and two kinds of pumping rod of composite carbon fiber material, both rod weights are light, comprehensive mechanics excellent,
But it is increasingly complicated due to subsurface environment, it is also increasingly severe for the fretting wear problem of composite material quality, especially exist
Under conditions of heavy oil wells and underground geological environment are complicated, as the reciprocating motion of sucker rod is increasingly frequent, inevitably there is body of rod table
The crackle and defect in face, and biggish crackle necessarily brings the Defect expanding of composite material, and then influences the normal use of the body of rod,
It is serious also to will cause body of rod fracture.
Utility model content
The utility model provides a kind of pumping rod of composite carbon fiber material with autonomous repair function, is able to solve at present
There is the problem of microdefect in the military service process of Carbon Fiber Reinforced Plastic Continuous Sucker Rod present in oil production equipment.
In order to solve the above technical problems, the utility model offer technical solution is as follows:
A kind of pumping rod of composite carbon fiber material with autonomous repair function successively includes carbon fiber one-way from inside to outside
Composite material sandwich layer, thermoplastic fibre hot melt braiding layer and chopped carbon fiber enhance the corrosion-resistant rigid layer of thermosetting resin, in which:
The carbon fiber one-way composite material sandwich layer uses pole structure, enhances thermosetting property with continuously unidirectional carbon fiber filament
Resin matrix is constituted；
The thermoplastic fibre hot melt braiding layer is located at the carbon fiber one-way composite material core layer surface, using thermoplasticity
The braiding preparation of organic fiber long filament；
The chopped carbon fiber enhancing corrosion-resistant rigid layer of thermosetting resin is mixed into using the chopped carbon fiber of specific length
In thermosetting resin matrix, final heat cure is coated in thermoplastic fibre hot melt braiding layer surface injection and is formed.
Further, the carbon fiber one-way composite material sandwich layer impregnates heat using the unidirectional arrangement of high-strength carbon fibre
Thermosetting resin matrix, using one of T300, T700, T800, T1000, which adopts the high-strength carbon fibre
With one of epoxy resin, phenolic resin, unsaturated polyester resin.
Further, the content of the thermosetting resin matrix of the carbon fiber one-way composite material sandwich layer is controlled in 30%-
In 60% range, the diameter control of the carbon fiber one-way composite material sandwich layer is between 3-5mm.
Further, the thermoplastic fibre hot melt braiding layer is prepared using the braiding gimmick of two-dimensional fiber, which adopts
With thermoplastic low temperature meldable fibre long filament, the thermoplastic low temperature meldable fibre long filament is polyurethane, polyethylene, polypropylene, gathers
One of ether ketone, polyether-ether-ketone, polyphenylene sulfide, polyamide, polyimides long filament, using one of plain weave, twill, satin weave
Braid mean is woven.
Further, the thickness control of the thermoplastic fibre hot melt braiding layer is between 0.6-1mm.
Further, the chopped carbon fiber of the chopped carbon fiber enhancing corrosion-resistant rigid layer of thermosetting resin is using high-strength
One of type T300, T700, T800, T1000, thermosetting resin matrix use epoxy resin, phenolic resin, unsaturated polyester (UP)
One of resin.
Further, the chopped length of the chopped carbon fiber of the chopped carbon fiber enhancing corrosion-resistant rigid layer of thermosetting resin
Degree control is within the scope of 2-10mm.
Further, when sucker rod during military service in the carbon fiber one-way composite material sandwich layer or chopped carbon fiber
When the corrosion-resistant rigid layer of dimension enhancing thermosetting resin generates micro-crack, to the defect problem position of the continuous body of rod of entire sucker rod into
The fabric of row heat treatment, the thermoplastic fibre hot melt braiding layer has low-temperature heat melting characteristic and high fluidity, can
The effectively micro-crack defect of filling military service process, forms the composite construction of thermoplastic matrix toughened thermosetting resin matrix, effectively
Defect is repaired, the normal work service life of the body of rod is extended.
The utility model has the following beneficial effects:
The pumping rod of composite carbon fiber material with autonomous repair function of the utility model is applied to petroleum industry and recovers the oil
Equipment has micro-crack selfreparing self-healing function, comprising: internal carbon fibers unidirectional composite material sandwich layer, intermediate thermoplastic are fine
Dimension hot melt braiding layer, external chopped carbon fiber enhance corrosion-resistant three parts of rigid layer of thermosetting resin, when sucker rod is being on active service
In the process when sandwich layer or surface rigidity layer generate micro-crack, heat-treated can be carried out to whole sucker rod, intermediate thermoplastic is compiled
The fabric being made into has low-temperature heat melting characteristic and high fluidity, the micro-crack defect of military service process is effectively filled, to surface
The processing of the toughening of rigid layer and internal core rod layer, improves whole service life.
Detailed description of the invention
Fig. 1 is the cross section structure signal of the pumping rod of composite carbon fiber material with autonomous repair function of the utility model
Figure, in which: carbon fiber one-way composite material sandwich layer 1, thermoplastic fibre heat braiding layer 2, and chopped carbon fiber enhances thermosetting property tree
The corrosion-resistant rigid layer 3 of rouge.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
The utility model provides a kind of pumping rod of composite carbon fiber material with autonomous repair function, as shown in Figure 1, by
It is interior successively to enhance heat including carbon fiber one-way composite material sandwich layer 1, thermoplastic fibre hot melt braiding layer 2 and chopped carbon fiber to outer
3 three parts of the corrosion-resistant rigid layer of thermosetting resin, in which:
Carbon fiber one-way composite material sandwich layer 1 uses pole structure, enhances thermosetting property tree with continuously unidirectional carbon fiber filament
Aliphatic radical body is constituted；
Intermediate thermoplastic fibre hot melt braiding layer 2 is located at 1 surface of carbon fiber one-way composite material sandwich layer, using thermoplasticity
The braiding preparation of organic fiber long filament；
The external chopped carbon fiber corrosion-resistant rigid layer 3 of enhancing thermosetting resin is mixed using the chopped carbon fiber of specific length
Enter in thermosetting resin matrix, coats final heat cure in intermediate thermoplastic fibre hot melt 2 surface injection of braiding layer and formed.
The pumping rod of composite carbon fiber material with autonomous repair function of the utility model is applied to petroleum industry and recovers the oil
Equipment has micro-crack selfreparing self-healing function, comprising: internal carbon fibers unidirectional composite material sandwich layer, intermediate thermoplastic are fine
Dimension hot melt braiding layer, external chopped carbon fiber enhance corrosion-resistant three parts of rigid layer of thermosetting resin, when sucker rod is being on active service
In the process when sandwich layer or surface rigidity layer generate micro-crack, heat-treated can be carried out to whole sucker rod, intermediate thermoplastic is compiled
The fabric being made into has low-temperature heat melting characteristic and high fluidity, the micro-crack defect of military service process is effectively filled, to surface
The processing of the toughening of rigid layer and internal core rod layer, improves whole service life.
Preferably, carbon fiber one-way composite material sandwich layer impregnates thermosetting property tree using the unidirectional arrangement of high-strength carbon fibre
Aliphatic radical body, the high-strength carbon fibre can be using any one in T300, T700, T800, T1000, the thermosetting resin matrix
Using any one in epoxy resin, phenolic resin, unsaturated polyester resin.
Further, the content of the thermosetting resin matrix of carbon fiber one-way composite material sandwich layer is controlled in 30%-60%
In range, the diameter of carbon fiber one-way composite material sandwich layer can be adjusted flexibly according to requirements, specifically, can control
Between 3-5mm.
As a kind of improvement of the utility model, thermoplastic fibre heats the braiding gimmick system that braiding layer uses two-dimensional fiber
Standby, which uses thermoplastic low temperature meldable fibre long filament, and thermoplastic low temperature meldable fibre long filament can be polyurethane, poly- second
Alkene, polypropylene, polyether-ketone, polyether-ether-ketone, polyphenylene sulfide, polyamide, any one in polyimides long filament, can be using flat
Line, twill, any one braid mean in satin weave are woven.
Preferably, the thickness of thermoplastic fibre hot melt braiding layer can be adjusted flexibly according to requirements, specifically, can be with
Control is between 0.6-1mm.
Further, the chopped carbon fiber of the chopped carbon fiber enhancing corrosion-resistant rigid layer of thermosetting resin can use high-strength
Any one in type T300, T700, T800, T1000, thermosetting resin matrix can be using epoxy resin, phenolic resin, no
Any one in saturated polyester resin, chopped carbon fiber is mixed into thermosetting resin matrix, and final mixed proportion can be with
It flexibly adjusts according to requirements, final heat cure is coated using injection on the surface of intermediate thermoplastic fibre hot melt braiding layer
Mode prepares the chopped carbon fiber enhancing corrosion-resistant rigid layer of thermosetting resin, and thickness can be adjusted flexibly according to requirements.
Preferably, the chopped length of the chopped carbon fiber of the chopped carbon fiber enhancing corrosion-resistant rigid layer of thermosetting resin can be with
Control is within the scope of 2-10mm.
In the utility model, in use, when sucker rod during military service in carbon fiber one-way composite material sandwich layer or
When the corrosion-resistant rigid layer of chopped carbon fiber enhancing thermosetting resin generates micro-crack, the defect of the continuous body of rod of entire sucker rod is asked
Topic position is heated, and the fabric of thermoplastic fibre hot melt braiding layer has low-temperature heat melting characteristic and high fluidity,
The micro-crack defect of military service process can be effectively filled, the composite construction of thermoplastic matrix toughened thermosetting resin matrix is formed,
Efficient software patching defect extends the normal work service life of the body of rod.
The feature and details of the utility model are further illustrated combined with specific embodiments below, but listed process and data are simultaneously
The limitation to the scope of the utility model is not meant that.
Embodiment 1
A kind of pumping rod of composite carbon fiber material with autonomous repair function includes: internal carbon fibers unidirectional composite material
Sandwich layer, intermediate thermoplastic's fiber hot melt braiding layer, external chopped carbon fiber enhance corrosion-resistant three portions of rigid layer of thermosetting resin
Point, using the unidirectional high-strength carbon fibre epoxy resin-impregnated of T300, for the control of resin matrix content 30%, preparing diameter is 5mm's
Internal carbon fibers unidirectional composite material sandwich layer stick is used plain weave structure on the surface of sandwich layer stick, is compiled using polyurethane filament
It knits and heats braiding layer with a thickness of intermediate thermoplastic's fiber of 0.6mm, use chopped length for 10mm's in hot melt braiding layer surface
High-strength T300 carbon fiber, which is mixed into epoxy resin, forms mixture, coats the side of final 127 DEG C of heat cures by injection later
Prepared by formula loses rigid layer with a thickness of the surface corrosion-resistant of 1mm；
It, can be to entire if generating the Interface Crack or matrix cracking of apparent sandwich layer or superficial layer during military service
The defect problem position of the continuous body of rod carries out 170 DEG C of heat treatment, utilizes the hot melt flowing filling institute of intermediate thermoplastic's fiber
The defective locations that need to be repaired form the composite construction of thermoplastic matrix toughened thermosetting resin matrix, Efficient software patching defect.
Embodiment 2
A kind of pumping rod of composite carbon fiber material with autonomous repair function includes: internal carbon fibers unidirectional composite material
Sandwich layer, intermediate thermoplastic's fiber hot melt braiding layer, external chopped carbon fiber enhance corrosion-resistant three portions of rigid layer of thermosetting resin
Point, using the unidirectional high-strength carbon fibre impregnated phenolic resin of T700, for the control of resin matrix content 40%, preparing diameter is 4mm's
Internal carbon fibers unidirectional composite material sandwich layer stick is used twill weave structure on the surface of sandwich layer stick, is compiled using polyethylene filament
It knits and heats braiding layer with a thickness of intermediate thermoplastic's fiber of 0.9mm, use chopped length for the height of 7mm in hot melt braiding layer surface
Strong type T300 carbon fiber, which is mixed into epoxy resin, forms mixture, later in such a way that injection coats final 130 DEG C of heat cures
It prepares and loses rigid layer with a thickness of the surface corrosion-resistant of 2mm；
It, can be to entire if generating the Interface Crack or matrix cracking of apparent sandwich layer or superficial layer during military service
The defect problem position of the continuous body of rod carries out 150 DEG C of heat treatment, utilizes the hot melt flowing filling institute of intermediate thermoplastic's fiber
The defective locations that need to be repaired form the composite construction of thermoplastic matrix toughened thermosetting resin matrix, Efficient software patching defect.
Embodiment 3
A kind of pumping rod of composite carbon fiber material with autonomous repair function includes: internal carbon fibers unidirectional composite material
Sandwich layer, intermediate thermoplastic's fiber hot melt braiding layer, external chopped carbon fiber enhance corrosion-resistant three portions of rigid layer of thermosetting resin
Point, using the unidirectional high-strength carbon fibre epoxy resin-impregnated of T800, for the control of resin matrix content 40%, preparing diameter is 4mm's
Internal carbon fibers unidirectional composite material sandwich layer stick is used satin weave structure on the surface of sandwich layer stick, is compiled using polypropylene filament
It knits and heats braiding layer with a thickness of intermediate thermoplastic's fiber of 1mm, use chopped length for the high-strength of 9mm in hot melt braiding layer surface
Type T1000 carbon fiber, which is mixed into epoxy resin, forms mixture, later the system in such a way that injection coats final 120 DEG C of heat cures
The standby surface corrosion-resistant with a thickness of 1mm loses rigid layer；
It, can be to entire if generating the Interface Crack or matrix cracking of apparent sandwich layer or superficial layer during military service
The defect problem position of the continuous body of rod carries out 180 DEG C of heat treatment, utilizes the hot melt flowing filling institute of intermediate thermoplastic's fiber
The defective locations that need to be repaired form the composite construction of thermoplastic matrix toughened thermosetting resin matrix, Efficient software patching defect.
Embodiment 4
A kind of pumping rod of composite carbon fiber material with autonomous repair function includes: internal carbon fibers unidirectional composite material
Sandwich layer, intermediate thermoplastic's fiber hot melt braiding layer, external chopped carbon fiber enhance corrosion-resistant three portions of rigid layer of thermosetting resin
Point, using the unidirectional high-strength carbon fibre epoxy resin-impregnated of T1000, for the control of resin matrix content 45%, preparing diameter is 3mm's
Internal carbon fibers unidirectional composite material sandwich layer stick is used plain weave structure on the surface of sandwich layer stick, is compiled using polyethylene filament
It knits and heats braiding layer with a thickness of intermediate thermoplastic's fiber of 0.8mm, use chopped length for the height of 9mm in hot melt braiding layer surface
Strong type T800 carbon fiber, which is mixed into epoxy resin, forms mixture, later in such a way that injection coats final 126 DEG C of heat cures
It prepares and loses rigid layer with a thickness of the surface corrosion-resistant of 2.5mm；
It, can be to entire if generating the Interface Crack or matrix cracking of apparent sandwich layer or superficial layer during military service
The defect problem position of the continuous body of rod carries out 155 DEG C of heat treatment, utilizes the hot melt flowing filling institute of intermediate thermoplastic's fiber
The defective locations that need to be repaired form the composite construction of thermoplastic matrix toughened thermosetting resin matrix, Efficient software patching defect.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement
It also should be regarded as the protection scope of the utility model with retouching.
Claims (7)
1. a kind of pumping rod of composite carbon fiber material with autonomous repair function, which is characterized in that successively include from inside to outside
Carbon fiber one-way composite material sandwich layer, thermoplastic fibre hot melt braiding layer and chopped carbon fiber enhancing thermosetting resin are corrosion-resistant just
Property layer, in which:
The carbon fiber one-way composite material sandwich layer uses pole structure, enhances thermosetting resin with continuously unidirectional carbon fiber filament
Matrix is constituted；
The thermoplastic fibre hot melt braiding layer is located at the carbon fiber one-way composite material core layer surface, organic using thermoplasticity
Fiber filament braiding preparation；
The chopped carbon fiber enhancing corrosion-resistant rigid layer of thermosetting resin is mixed into thermosetting using the chopped carbon fiber of specific length
Property resin matrix in, coat final heat cure in thermoplastic fibre hot melt braiding layer surface injection and formed.
2. the pumping rod of composite carbon fiber material according to claim 1 with autonomous repair function, which is characterized in that institute
Carbon fiber one-way composite material sandwich layer is stated using the unidirectional arrangement dipping thermosetting resin matrix of high-strength carbon fibre, this is high-strength
Carbon fiber one of using T300, T700, T800, T1000, the thermosetting resin matrix using epoxy resin, phenolic resin,
One of unsaturated polyester resin.
3. the pumping rod of composite carbon fiber material according to claim 2 with autonomous repair function, which is characterized in that institute
The content for stating the thermosetting resin matrix of carbon fiber one-way composite material sandwich layer controls the carbon fiber within the scope of 30%-60%
The diameter control of unidirectional composite material sandwich layer is tieed up between 3-5mm.
4. the pumping rod of composite carbon fiber material according to claim 1 with autonomous repair function, which is characterized in that institute
It states thermoplastic fibre hot melt braiding layer to prepare using the braiding gimmick of two-dimensional fiber, which uses thermoplastic low temperature meldable fibre
Long filament, the thermoplastic low temperature meldable fibre long filament are polyurethane, polyethylene, polypropylene, polyether-ketone, polyether-ether-ketone, polyphenylene sulfide
One of ether, polyamide, polyimides long filament are woven using one of plain weave, twill, satin weave braid mean.
5. the pumping rod of composite carbon fiber material according to claim 4 with autonomous repair function, which is characterized in that institute
The thickness control of thermoplastic fibre hot melt braiding layer is stated between 0.6-1mm.
6. the pumping rod of composite carbon fiber material according to claim 1 with autonomous repair function, which is characterized in that institute
State chopped carbon fiber enhancing the corrosion-resistant rigid layer of thermosetting resin chopped carbon fiber using high-strength T300, T700, T800,
One of T1000, thermosetting resin matrix use one of epoxy resin, phenolic resin, unsaturated polyester resin.
7. the pumping rod of composite carbon fiber material according to claim 6 with autonomous repair function, which is characterized in that institute
The chopped length for stating the chopped carbon fiber of the chopped carbon fiber enhancing corrosion-resistant rigid layer of thermosetting resin is controlled in 2-10mm range
It is interior.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104733A (en) * | 2018-02-01 | 2018-06-01 | 山东中恒景新碳纤维科技发展有限公司 | Pumping rod of composite carbon fiber material with autonomous repair function |
| CN111660624A (en) * | 2019-03-08 | 2020-09-15 | 汉达精密电子(昆山)有限公司 | Light thermoplastic composite material and preparation method thereof |
-
2018
- 2018-02-01 CN CN201820176721.1U patent/CN208267771U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104733A (en) * | 2018-02-01 | 2018-06-01 | 山东中恒景新碳纤维科技发展有限公司 | Pumping rod of composite carbon fiber material with autonomous repair function |
| CN108104733B (en) * | 2018-02-01 | 2024-02-23 | 山东中恒景新碳纤维科技发展有限公司 | Carbon fiber composite sucker rod with autonomous repair function |
| CN111660624A (en) * | 2019-03-08 | 2020-09-15 | 汉达精密电子(昆山)有限公司 | Light thermoplastic composite material and preparation method thereof |
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