CN208137871U - A kind of constant temperature heat tracing carbon-fiber continuous rod - Google Patents

Abstract

The utility model belongs to oil field equipment field, more particularly to a kind of constant temperature heat tracing carbon-fiber continuous rod, including carbon fiber core, the glass layer being coated on the outside of carbon fiber core and the epoxy resin layer being coated on the outside of glass layer, the center of the carbon fiber core is provided with ribbon heater A, carbon fiber core resin bonded carbon fiber bundle by being made up of, the glass layer is made of winding glass layer and longitudinal glass layer, winding glass layer is spirally wound on the outside of carbon fiber core, the glass fibre for constituting longitudinal glass layer is arranged in parallel with carbon fiber.The coiled rod of the utility model, not only has the function of heated at constant temperature, prevents wax deposition, and have it is light-weight, it is wear-resistant, many advantages, such as torsional strength, shearing strength, high tensile strength.

Description

A kind of constant temperature heat tracing carbon-fiber continuous rod

Technical field

The utility model belongs to oil field equipment field more particularly to a kind of constant temperature heat tracing carbon-fiber continuous rod.

Background technique

Sucker rod is common a kind of equipment in process of oil production, when oil recovery, passes through the oil pumping that sucker rod drives underground Pump pump rod pumps, thus by the liquid pumpings such as petroleum in stratum to ground.In use, it will usually take out Beam hanger is connected to km, in this case, the load of itself suspending weight and oil well pump that sucker rod to be born, therefore bear Pulling force is bigger.Existing sucker rod is mostly made of steel, but steel there are weight physical imperfections such as big, perishable, easy to wear, So that the loss of sucker rod is high.In addition, existing sucker rod is mostly segmentation structure, applies man-hour requirement and pacify paragraph by paragraph Dress, therefore construction efficiency is relatively low.

To solve the above-mentioned problems, scientific research personnel has invented a kind of carbon-fiber continuous rod, and this sucker rod utilizes carbon The superior physical properties such as fiber quality light, good toughness, tensile strength height, solve the above problem.But this sucker rod is also deposited In some defects：1, in use, outside can have wax deposition to existing carbon fibre pumping rod, and wax deposition can be to life Production causes various negative effects；2, the torsional strength of existing carbon fibre pumping rod is poor；3, existing carbon fiber is taken out The trend of carbon fiber and glass fibre in beam hanger is identical as the length direction of sucker rod, when production, should be coated on carbon fiber The glass fibre in dimension outside is easy in incorporation carbon fiber bundle, so that the intensity to sucker rod adversely affects.4, existing The outer layer of carbon fibre pumping rod is simple epoxy resin layer, and wearability is poor.

Summary of the invention

The utility model provides a kind of constant temperature heat tracing carbon-fiber continuous rod, to produce a kind of constant temperature heat tracing carbon fiber company Continuous sucker rod, and then solve the problems mentioned above in the background art.

The technical issues of the utility model is solved is realized using following technical scheme：

The utility model provides a kind of constant temperature heat tracing carbon-fiber continuous rod, including carbon fiber core, the carbon The center of fiber core is provided with ribbon heater A, and the carbon fiber for constituting carbon fiber core is coated on around the A of ribbon heater, carbon fiber Successively spiral winding has ribbon heater B, winding glass layer A and winding glass layer B outside core, winds glass layer B It is coated with longitudinal glass layer, longitudinal glass layer outer wall is coated with epoxy resin layer, and carbon fiber core is by specification The carbon fiber of 150/12K to 242/12K is made up of the carbon fiber bundle that epoxy resin is bonded to, and winds glass layer A Winding screw angle with two layers of glass layer B winding glass fibre of winding is 45 °, and winding direction is on the contrary, winding glass fibers Dimension layer A and winding glass layer B are bonded on the outside of the B of ribbon heater by epoxy resin, the glass fibre of longitudinal glass layer with Carbon fiber core is arranged in parallel, and longitudinal glass layer is bonded in winding glass layer B outer wall by epoxy resin, sucker rod Two ends are connected with rod connector.

A kind of preparation facilities of constant temperature heat tracing carbon-fiber continuous rod is continuously pumped for producing constant temperature heat tracing carbon fiber Bar comprising creel, resin storage tank, wrapping machine A, wrapping machine B, pultrusion die, drying unit A, length metering device, dragger and Reel, the resin storage tank, wrapping machine A and wrapping machine B are arranged in dustless thermostatic chamber, are placed with spool on the creel, Carbon fiber material and glass fibre raw material are the linear structure being wrapped on spool, the carbon fiber drawn from the spool on creel Dimension pass sequentially through resin storage tank, wrapping machine A, wrapping machine B, pultrusion die, drying unit A and length metering device be made sucker rod at Product, sucker rod finished product are wrapped on reel after passing through dragger；The both ends of the resin storage tank, which are respectively arranged with, to be helped line plate A and helps Line plate B, two pieces help on line plate be provided with help string holes array, carbon fiber or glass fibre from help line plate A penetrate after from helping line plate B is pierced by and hierarchal arrangement, and resin storage tank includes resin dropper, heating water jacket and accumulator tank, and resin dropper is arranged in each layer of carbon fiber The top of dimension, heating water jacket realize its heating function by the circulation of hot water or hot oil, each drop of resin in the resin storage tank Pipe is dislocatedly distributed up and down；The wrapping machine A is identical with the structure of wrapping machine B, include one be mounted on it is in hollow shaft, by Motor-driven turntable, the supplied materials side of two turntables are provided with preforming tool, are provided with and are used at the charging of wrapping machine A Each stock carbon fiber is evenly distributed on the round wire plate in rounded face, the entrance of wrapping machine B is provided with a release agent and adds Dispensing device, the edge of the side of the turntable of each wrapping machine is at least arranged symmetrically, and there are two the spools for being wound with glass fibre, often It is correspondingly arranged on one on the inside of a spool and helps line needle, the glass fibre on spool is wrapped in carbon fiber core after helping line needle On, form winding glass layer A and winding glass layer B；Resin storage tank, wrapping machine A and the wrapping machine B is arranged at In dustless thermostatic chamber；Round wire plate, the carbon fiber bundle are also equipped between the dustless thermostatic chamber and pultrusion die It is passed through from the through-hole in the circle wire plate center, the glass fibre drawn from the spool on creel is via setting in dustless constant temperature It after indoor another resin storage tank, is evenly distributed on around carbon fiber bundle under the action of the circle wire plate, circle wiring The charging side of disk is also equipped with a release agent filling apparatus；The pultrusion die is strip structure, pultrusion die There are three mold heating devices for lateral degree direction set；The drying unit A is the box typed structure with upper cover, is passed through Heating, drying can be surround by sucker rod semi-finished product contained in cabinet to realize by opening upper cover；The reel is mounted on electric drive Reel bracket on.

The beneficial effects of the utility model are：The utility model provides a kind of novel coiled rod, and according to this The structure of sucker rod has devised process equipment and the process flow of complete set, can produce a kind of perseverance by the utility model The preparation facilities of warm heat tracing carbon-fiber continuous rod, heats sucker rod by ribbon heater A, can effectively prevent sucker rod Wax deposition；In addition, using the technical solution of the utility model produce carbon-fiber continuous rod also have it is light-weight, it is wear-resistant, Many advantages, such as torsional strength, shearing strength, high tensile strength, is guaranteeing to use by the pumping rod application in the production of oil field , it can be achieved that the effect of energy efficiency, is obviously improved benefit while function.It is operated using apparatus and process described in the utility model Simply, process layout is reasonable, controls each manufacturing parameter using conventional automated control technology, realizes the company of coiled rod Continuous automated production.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of constant temperature heat tracing carbon-fiber continuous rod and preparation facilities and preparation method；

Fig. 2 is the structural schematic diagram of each device in dustless thermostatic chamber in Fig. 1；

Fig. 3 is the partial enlarged view in Fig. 1 at A；

Fig. 4 is the structural schematic diagram in Fig. 1 at pultrusion die；

Fig. 5 is the structural schematic diagram for the constant temperature heat tracing carbon-fiber continuous rod produced using the utility model；

Fig. 6 is the excessively linear condition schematic diagram for helping line plate A (stain indicates carbon fiber or glass fibre in figure)；

Fig. 7 is the excessively linear condition schematic diagram for helping line plate B (stain indicates carbon fiber or glass fibre in figure)；

Fig. 8 is the structural schematic diagram of round wire plate (stain indicates carbon fiber or glass fibre in figure)；

Fig. 9 is the installation diagram of rod connector；

Figure 10 is the cross-sectional view of tapered sleeve；

Figure 11 is the cross-sectional view in Figure 10 at A；

Figure 12 is the sectional view of ribbon heater A.

In figure：1- creel, 2- spool, 3- carbon fiber, 4- resin storage tank, 5- wrapping machine A, 6- wrapping machine B, 7- pultrusion die, 8- drying unit A, 9- extruding machine, 10- spray chamber, 11- drying unit B, 12- dragger, 13- reel, 14- sucker rod finished product, 15- length metering device, 16- release agent filling apparatus, the dustless thermostatic chamber of 17-, 18- heating water jacket, 19- accumulator tank, 20- turn Disk, 21- help line needle, 22- preforming tool, 23- circle wire plate, and 24- helps line plate, 25- resin dropper, 26- glass fibre, 27- mold heating device, 28- carbon fiber core, 29- wind glass layer A, the longitudinal direction 30- glass layer, 31- asphalt mixtures modified by epoxy resin Rouge layer, 32- polyethylene layer, 33- graphene layer, 34- wind glass layer B, and 35- helps line plate B, 36- outer tube, 37- cone Set, 38- connector, 39- notch, the ribbon heater 40- A, 41- plastic protective cover, 42- filling plastic layer, 43- copper stranded conductor insulating layer, 44- copper stranded conductor, the ribbon heater 45- B.

Specific embodiment

The utility model is described further below in conjunction with attached drawing：

Embodiment：

A kind of constant temperature heat tracing carbon-fiber continuous rod, including carbon fiber core 28, the center setting of carbon fiber core 28 There is ribbon heater A40, the carbon fiber for constituting carbon fiber core 28 is coated on around the A40 of ribbon heater.The setting of heating tape 40, can be real Now to the constant temperature heat tracing of sucker rod, even if sucker rod keeps a higher and stable temperature, to prevent the stone in crude oil Wax condenses on sucker rod.

The carbon fiber bundle structure that carbon fiber core 28 is bonded by 150/12K---242 root/12K carbon fiber by epoxy resin At carbon fiber tensile strength >=4950MPa, successively spiral winding has ribbon heater B 45, winding to the carbon fiber core 28 outside Glass layer A29 and winding glass layer B34, winding glass layer B34 are coated with longitudinal glass layer 30, indulge Epoxy resin layer 31 is coated with to 30 outer wall of glass layer.Winding glass fibre can fetter each stock carbon fiber in carbon fiber core 28 Dimension avoids each stock carbon fiber generation separation when sucker rod receiving torque from causing sucker rod failure, to effectively enhance sucker rod Torsional strength, meanwhile, carbon fiber core 28 wrapped up with winding glass fibre, can effectively prevent longitudinal glass layer 30 with Carbon fiber core 28 blends, to ensure that the circularity of carbon fiber core 28, that is, ensure that the uniformity of sucker rod structural strength, Eliminate intensity weakness.

The carbon fiber bundle structure that carbon fiber core 28 is bonded by 150/12K---242 root/12K carbon fiber by epoxy resin At 28 diameter of carbon fiber core is 11--14mm.The monofilament quantity of every carbon fiber is an important indicator of carbon fiber, monofilament Quantity is bigger, and cost is higher, but intensity is higher while sucker rod also can overstriking.It is the carbon of 12K that the utility model, which selects monofilament quantity, Fiber has also taken into account economy while the intensity requirement for meeting coiled rod.By the limit of use environment and production standard System, the diameter of coiled rod is usually defined as several fixed values, according to the difference of coiled rod diameter, by 12K carbon fiber The quantity of dimension is limited in 150-242 root, and production cost can be reduced while guaranteeing coiled rod intensity, and sucker rod is whole Also having lightened reduces energy consumption, guarantee coiled rod other layers will not because of carbon fiber core 28 diameter it is excessive and be forced Compression, and then influence the overall performance of coiled rod.One timing of diameter of coiled rod, the diameter of carbon fiber core 28 are got over Greatly, the tensile strength of coiled rod is higher, but the components such as epoxy resin in coiled rod and glass fibre also can be corresponding Compressed, to influence the performance of these component performances, therefore, the diameter of carbon fiber core 28 must be limited to one rationally In the range of.The commercial product of carbon fiber selection Turkey's Acker Sa company.

The winding screw angle of two layers of glass layer B34 winding glass fibre of winding glass layer A29 and winding is 45 °, winding direction is on the contrary, winding glass layer A29 and winding glass layer B34 are bonded in ribbon heater by epoxy resin On the outside of B45.45 ° are a special angles in industrial design, and in the present invention, 45 ° are optimal winding angles, winding When angle is greater than 45 °, angle is bigger to be more difficult to realize in technique, and when winding angle is less than 45 °, angle is smaller, and sucker rod supports The ability of torque resistant is poorer.It winds glass layer A29 and winds the winding direction of glass layer B34 on the contrary, to pump Bar spins up at two clockwise and anticlockwise obtains identical torsional strength.

Glass layer A29 and two layers of glass layer B34 of winding of winding are wound with a thickness of 0.4-0.6mm, thickness Lower limit value is set as 0.4mm, and the glass fibre that can be just completely secured in longitudinal glass layer 30 will not be admixed to carbon fiber core In body 28, in order to avoid improving precision controlling cost because excessively stringent precision controlling requires in coiled rod production, together When avoid the invalid loss of material, the thickness for winding glass fibre can float to 0.6mm upwards.

The glass fibre of longitudinal glass layer 30 is arranged in parallel with carbon fiber core 28, and longitudinal glass layer 30 is by 42 Root/2400tex--106 root/2400tex glass fibre composition, longitudinal glass layer 30 mainly serve it is anti-shearing, therefore It necessarily claims to the line density of glass fibre.Use line density for the glass fibre of 2400tex in the utility model, to protect Demonstrate,prove good anti-shear ability.And in actual production, line density excessively high (i.e. fiber is excessively thick) can seriously affect epoxy resin The uniformity of bond effect and longitudinal glass layer 30, therefore, in the case where meeting anti-shear performance, line density is set to 2400tex, it is unsuitable excessively high.Glass fibre selects the commercial product of Ovens Ke Ning company.

Longitudinal glass layer 30 is bonded in winding glass layer B34 outer wall by epoxy resin.Epoxy resin uses favour The commercial product of scientific and technological (Shanghai) limited liability company of cypress new material.

S grades of alkali-free glass fibres can be used in the glass fibre.Glass fiber strength >=2500Mpa, line density 2400 ± 5% TEX, tensile modulus of elasticity >=88Gpa, moisture content≤0.1%.

The glass fibre for constituting longitudinal glass layer 30 is arranged in parallel with carbon fiber core 28, so that longitudinal glass fibre Layer 30 can share drag load with carbon fiber core 28 jointly, be conducive to the tensile strength for improving coiled rod.

Polyethylene layer 32 and graphene layer 33 are additionally provided on the outside of sucker rod.Graphene has fabulous wear-resisting property, When production, the thickness of graphene layer is minimum, and therefore, in the case where shank diameter of pumping is certain, increasing graphene layer 33 will not shadow Ring the structure distribution of other each layers.

Polyethylene layer 32 and graphene layer 33 assign sucker rod more excellent wear-resisting property, meanwhile, by sucker rod table Multilayered structure is arranged in face, can avoid oil liquid infiltration, delays resin hydrolyzing, to prevent sucker rod from damaging because of resin hydrolyzing.Institute The technology maturation being related to is reliable, and stability is high.

Heat cured polyethylene layer 32 and graphene layer 33 are increased on the basis of original carbon fiber pultrude process.It is taking out While the bending diameter of beam hanger itself does not increase, using the wearability of graphene, increase the wear-resisting property of continuous lever.Work as graphite After alkene wear-out failure, its performance that thermosetting property polyethylene replaces continues to protect the internal structure of sucker rod.And heat cured poly- second The epoxy resin layer 31 of alkene and sucker rod is that two phase structure can be by corresponding after thermosetting property polythene material wear-out failure Technique is removed undamaged portion and is repaired again, and sucker rod service life is increased.

The structure of the ribbon heater A40 includes the identical copper stranded conductor 44 of three sectional areas, the outside of every copper stranded conductor 44 It is provided with copper stranded conductor insulating layer 43, plastic protective cover 41, plastic protective cover 41 and copper are coated with around three copper stranded conductors 44 Filling plastic layer 42 is provided in space between twisted wire insulating layer 43, the outer profile of the cross section of filling plastic layer 42 is circle Shape.In use, three copper stranded conductors 44 are reliably shorted in the lower end of sucker rod, three copper stranded conductors point in the upper end of sucker rod It is not connected with the three of 380V power electric (or voltage of design) power supply, forms a star load, after energization, three copper Twisted wire 44 just forms a continuous ribbon heater A40, and the structure of the ribbon heater A40 of this structure is simple, and starting current is small, It can arbitrarily shear, be highly suitable to be applied for carrying out heat tracing in coiled rod.Copper wire using copper stranded conductor 44 without using sub-thread, It is because copper stranded conductor 44 possesses better mechanicalness flexibility, can effectively prevent connecing compared with the single strand of copper wire of same cross-sectional area It fractures in line process.

There are two the effects of filling plastic layer 42 altogether：On the one hand, filling plastic layer 42 can protect copper stranded conductor 44 and copper Twisted wire insulating layer 43 prevents the corrosion of downhole chemicals, on the other hand, with filling plastic layer 42 by plastic protective cover 41 and copper Space between twisted wire insulating layer 43 is filled up, and can form circular outer profile outside copper stranded conductor 44 in irregular shape, the circle The presence of shape outer profile, can both prevent because sucker rod produce when inside formed it is hollow due to influence sucker rod intensity and quality it is equal Even property guarantees product quality and reduces the production difficulty of product, and can be the sealing for being shorted point positioned at the copper stranded conductor 44 of underground A regular shape, the reliable sealing surface of sealing performance are provided, convenient for the realization of sealing.

The effect of plastic protective cover 41 is isolation carbon fiber and filling plastic layer 42, prevents carbon fiber and filling plastic layer 42 It is bonded together by epoxy resin.It is needed before being shorted three copper stranded conductors 44 by the end of a thread of copper stranded conductor 44 in the lower end of sucker rod It is stripped out from carbon fibre pumping rod, in such cases, if carbon fiber and filling plastic layer 42 are bonded together, then shelling From will destroy filling plastic layer 42 in the process, and due to the presence of plastic protective cover 41, when removing the end of a thread of copper stranded conductor 44, Only plastic protective cover 41 can be destroyed, and filling plastic layer 42 is completely retained.

Another ribbon heater B45, electric heating are also provided between the carbon fiber core 28 and winding glass layer A29 The outside of carbon fiber core 28 is spirally wound on B45.Common electric heating bandlet production in the B45 available markets of ribbon heater, winding When the B45 of ribbon heater, equipment identical with the wrapping machine can be used to be produced.With the ribbon heater for being located at sucker rod center A40 is compared, and it is closer to be wrapped in outer surface of the ribbon heater B45 in 28 outside of carbon fiber core apart from sucker rod, therefore in same item The heating effect to sucker rod is easier to ensure that under part.When actual production, ribbon heater B45 can be existed simultaneously with ribbon heater A, can also Ribbon heater A to be replaced with ribbon heater B45.

In above scheme, the winding glass layer A, wind in glass layer B and longitudinal glass layer Glass fibre uses S grades of alkali-free glass fibres, glass fiber strength >=2500Mpa；2400 ± 5%TEX of line density；Tensile elasticity Modulus >=88Gpa, moisture content≤0.1%.

200 DEG C of epoxy resin heatproof in above scheme, epoxy resin stretch intensity 60-85Mpa, stretch modulus 2.5- 3.0Gpa, elongation 3.5-5.0%, bending strength 100-135Mpa, bending modulus 2.5-3.5Gpa.Above-mentioned parameter ensure that ring The intensity of oxygen resin layer 31, prevents it from cracking during bending.

In order to guarantee that tensional state and the tensional state of carbon fiber of glass fibre and epoxy resin can when bearing load With collaborative variation (prevent glass fibre be broken or epoxy resin cracking), the selection of glass fibre and epoxy resin must strictly according to It is determined according to above-mentioned parameter.

The utility model devises matched sucker rod special connector for this coiled rod, passes through the rod connector Can by this coiled rod and common pumping rod made by steel quickly, stablize, reliably connect.Rod connector is mainly by tapered sleeve 37, outer tube 36 and connector 38 form, and are connected through a screw thread between outer tube 36 and connector 38, and connector 38 is by tapered sleeve 37 It is encapsulated in outer tube 36, the contact surface of tapered sleeve 37 and outer tube 36 is circular conical surface, and the both ends of the tapered sleeve 37 are respectively machined with One notch 39, notch 39 are cut in the axial direction, and the plane where two notch 39 is mutually perpendicular to, and the length of notch 39 accounts for cone The percentage for covering 37 total lengths is 85%-90%.

When coiled rod is connect with above-mentioned rod connector, connector 38 is removed and makes tapered sleeve 37 and outer tube 36 Separation, then makes the end of coiled rod successively penetrate outer tube 36 and tapered sleeve 37, then makes tapered sleeve 37 and 36 weight of outer tube New fitting, during fitting, 37 side wall of tapered sleeve constantly draws close fitting to coiled rod, finally clamps coiled rod.? After coiled rod bears drag load, 37 side wall of tapered sleeve further draws close fitting, the bigger folder of drag load to coiled rod Clamp force is bigger, eliminates the possibility that coiled rod loosens, ensure that the reliability of connection.It is respectively machined at the both ends of tapered sleeve 37 Plane where one notch 39 and two notch 39 is mutually perpendicular to, such incision design, so that all areas on tapered sleeve 37 Section can draw close fitting, effective clamping length of tapered sleeve 37 etc. to coiled rod under the squeezing action of 36 inner wall of outer tube In the length of tapered sleeve 37, with compared with notch 39 is arranged in one end of tapered sleeve 37, the reliability of clamping is greatly enhanced.In addition, notch The percentage that 39 length accounts for 37 total length of tapered sleeve is limited to 85%-90%, if notch 39 is too long, the structure of tapered sleeve 37 is strong Degree can be weaker, is easily damaged in production, installation and use process, if notch 39 is too short, the flexibility of tapered sleeve 37 will It is deteriorated, influences the inner wall of tapered sleeve 37 and the circumferential laminating degree of coiled rod, and then make to the reliability and stability of clamping At influence.

Here is tested the sucker rod of the application, and test result is as follows：

1) shear strength reaches 92MPa；Tensile modulus of elasticity >=150GPa.

2) fatigue behaviour of sucker rod is tested, lowest pull 40KN, maximum pull 120KN, tension variations frequency 100Hz, 1 thousands of times of number.

3) carbon-fiber continuous rod body of rod performance：

Table 1

Serial number	Detection project	Unit	Data demand	Measured data
					1	Specification	mm	19±0.2	19.10
2	Density	g/m3	1.5-1.95	1.736
					3	Radial pressure resistance	KN	≥110	119.1
4	Bending strength	MPa	≥800	1046
					5	Bending elastic modulus	GPa	≤100	85.6
6	Tensile failure load	KN	≥690	700.5
					7	Stretch modulus	GPa	≥150	152
8	Performance level shear strength	MPa	≥60	92
					9	Glass transition temperature (Tg)	℃	≥160	181.14

Table 2

Sucker rod stretch test result：Tensile strength：1831MPa, fracture elongation：1.84%, stretch modulus is 152GPa。

4) sucker rod circular cross-section D (mm)：153.938(mm²) when load-bearing 46.18 (ton), 201.062 (mm²) load-bearing 60.32 (tons), 283.529 (mm²) load-bearing 85.06 (ton).

5) density of sucker rod is tested and (takes 5 sucker rods), it is as a result as follows：

Table 3

6) compressive property of sucker rod is tested and (takes 3 sucker rods), it is as a result as follows：

Table 4

	Maximum load N
		1st	140471.09
2nd	102943.23
		3rd	113920.12
Average value	119111.48

Note：The above equal establishing criteria Q/JHY006-2014 measurement of test data.

A kind of preparation facilities of constant temperature heat tracing carbon-fiber continuous rod, including creel 1, resin storage tank 4, wrapping machine A5, twine Around machine B6, pultrusion die 7, drying unit A8, length metering device 15, extruding machine 9, dragger 12 and reel 13.

Resin storage tank 4, wrapping machine A5 and the wrapping machine B6 is arranged in dustless thermostatic chamber 17, puts on the creel 1 It is equipped with spool 2, carbon fiber material and glass fibre raw material are the linear structure being wrapped on spool 2, the spool from creel 1 The carbon fiber 3 drawn on 2 passes sequentially through resin storage tank 4, wrapping machine A5, wrapping machine B6, pultrusion die 7, drying unit A8, length Sucker rod finished product 14 is made in metering device 15 and extruding machine 9, and sucker rod finished product 14 is wrapped in reel 13 after passing through dragger 12 On.Dragger 12 can control sucker rod travel speed.

The resin storage tank 4 includes resin dropper 25, heating water jacket 18 and accumulator tank 19, and the both ends of resin storage tank 4 are set respectively It is equipped with and helps line plate A24 and help line plate B35, help on line plate be provided with for two pieces and help string holes array.

Carbon fiber 3 or glass fibre 26 from help line plate A24 penetrate after from helping line plate B35 to be pierced by and hierarchal arrangement, drop of resin The top of each layer of carbon fiber 3 is arranged in pipe 25, and a column are provided on resin dropper 25 for the aperture that resin oozes, thus Drip resin equably on all carbon fibers.

Heating water jacket 18 realizes its heating function by the circulation of hot water or hot oil, so that resin be made to keep certain flowing Property, so that resin successfully oozes.

The wrapping machine A5 is identical with the structure of wrapping machine B6, include one be mounted on it is in hollow shaft, by motor The turntable 20 of driving, the supplied materials side of two turntables 20 are provided with preforming tool 22, are provided at the charging of wrapping machine A5 For each stock carbon fiber 3 to be evenly distributed on the round wire plate 23 in rounded face, so that the carbon fiber inside carbon fiber core 28 Dimension is neat, equably arranges, and ensure that the structural homogeneity of carbon fiber core 28.

The entrance of wrapping machine B6 is provided with a release agent filling apparatus 16, can be reduced by the lubricating action of release agent Frictional force between product and production equipment, to generate the effect for reducing tractive force and slowing down equipment attrition.

The edge of the side of the turntable 20 of each wrapping machine is at least arranged symmetrically, and there are two the spools for being wound with glass fibre 3 2, the inside of each spool 2 is correspondingly arranged on one and helps line needle 21, and the glass fibre 26 on spool 2 is wrapped in after helping line needle On carbon fiber core 28, winding glass layer 29 is formed.The effect for helping line needle 21 is that the position of glass fibre 26 is made to keep steady It is fixed, to make being more evenly distributed for glass fibre 26, guarantee the structural homogeneity of product.

Wrapping machine is the core equipment in this preparation facilities, can realize glass fibre by wrapping machine A5 and wrapping machine B6 Two-way winding.

Resin storage tank 4, wrapping machine A5 and the wrapping machine B6 is arranged in dustless thermostatic chamber 17, and dustless environment can It prevents from being influenced the quality of product because carbon fiber 3, glass fibre 26 and resin are polluted by dust, the environment of constant temperature can guarantee resin Mobility, to make resin adequately infiltrate in carbon fiber 3 and glass fibre 26, to guarantee the bonding between each stock fiber Intensity.

Round wire plate 23, the carbon fiber bundle are also equipped between the dustless thermostatic chamber 17 and pultrusion die 7 It is passed through from the through-hole in 23 center of circle wire plate, the glass fibre 26 drawn from the spool 2 on creel 1 is via setting in nothing After another resin storage tank 4 in dirt thermostatic chamber 17, it is evenly distributed on around carbon fiber bundle under the action of the circle wire plate 23, The charging side of the circle wire plate 23 is also equipped with a release agent filling apparatus 16.

The pultrusion die 7 is strip structure, and the center of pultrusion die 7 is provided with through-hole, sucker rod semi-finished product from The through-hole passes through, and realizes and squeezes.

There are three mold heating devices 27 for the lateral degree direction set of pultrusion die 7, are made by mold heating device 27 The resin being present between each stock fiber is sufficiently precipitated and solidifies, and forms epoxy resin layer 31.

The drying unit A8 is the box typed structure with upper cover, can be contained sucker rod semi-finished product by opening upper cover In in cabinet, it is surround heating, drying to realize, drying rate is fast, and effect is good.

The utility model may also include spray chamber 10 and drying unit B11, and spray chamber 10 and drying unit B11 setting are being squeezed Between molding machine 9 and dragger 12, sucker rod semi-finished product from extruding machine 9 come out after, successively pass through spray chamber 10 and drying unit B11, subsequently into dragger 12, drying unit B11 is identical as the structure of drying unit A8.

The diameter of the reel 13 is greater than 3 meters, 3 meters be the utility model output sucker rod minimum bending diameter, If bending diameter less than 3 meters, irreversible plastic deformation can occur for sucker rod finished product 14, cause the damage of sucker rod finished product 14.

The reel 13 is mounted on electrically driven (operated) reel bracket, is detachably to connect between reel 13 and reel bracket It connects.After one reel 13 is wrapped over, which can be removed and other places storage is hoisted to by overhead traveling crane, then on reel bracket An empty reel 13 is placed, consequently facilitating the storage and transport of product.

About 25 each resin dropper in the resin storage tank 4 is dislocatedly distributed, otherwise, in the resin dropper 25 on upper layer The resin oozed can drip on the resin dropper 25 for being located at lower layer, and after long-time service, the resin dropper 25 positioned at lower layer can be blocked Plug, and then increase additional cleaning work.

The use process of the utility model is：

Step 1 introduces ribbon heater A40, carbon fiber 3 and the glass fibre 26 on creel 1 in dustless thermostatic chamber 17, and Make carbon fiber 3 and glass fibre 26 respectively via a resin storage tank 4, in the process, passes through the resin dropper on resin storage tank 4 25 on carbon fiber 3 and glass fibre 26 drop spill resin.On carbon fiber 3 and glass fibre 26 simultaneously drop coating resin, can make to set Rouge is more fully contacted with fiber, so as to improve the adhesive strength between each stock fiber.

Step 2 helps line plate and round wire plate 23 to gather the carbon fiber 3 for being coated with resin and is arranged in electric heating by two pieces After around band A40, carbon fiber core 28, carbon fiber core 28 are preliminarily formed under squeezing action in gathering for preforming tool 22 Again via wrapping machine A5 and wrapping machine B6, wrapping machine A5 and wrapping machine B6 are successively by two layers of winding glass fiber winding in carbon fiber On core 28, winding glass layer A299 and winding glass fibre B are formed, sucker rod semi-finished product are then drawn into dustless perseverance Greenhouse 17；At the same time, the glass fibre 26 for being coated with resin is drawn into dustless thermostatic chamber 17, on wrapping machine A5 and wrapping machine B6 Turntable 20 rotation direction on the contrary, the helical angle of winding carries out by adjusting the relative position helped between line needle 21 and carbon fiber Control.By the extruding of preforming tool 22, can will be resin extruded in carbon fiber bundle so that the structure of carbon fiber core is tighter Close, therefore the intensity of sucker rod can be significantly improved.

The glass fibre 26 that resin is coated in previous step is uniformly looped around oil pumping by round wire plate 23 by step 3 Around bar semi-finished product, and pultrusion die 7 is passed through together with sucker rod semi-finished product, so that carbon fiber 3 and glass fibre 26 are filled Partial pressure is tight, and forms longitudinal glass layer 30, in the process, passes through the mold heating device being set on the outside of pultrusion die 7 27 are heated, so that solidification is precipitated in resin.

The heating temperature of three mold heating devices 27 is followed successively by 160 DEG C according to product direction of travel, and 180 DEG C, 190 DEG C, Resin ectonexine can be made sufficiently to solidify according to the curing rule of resin.

Sucker rod semi-finished product are continued introducing drying unit A8 and dried, done so that resin is further dehydrated by step 4 It is dry；

Step 5 continues sucker rod semi-finished product to introduce extruding machine 9, to form polyethylene layer 32；

Step 6 continues sucker rod semi-finished product to introduce spray chamber 10, in spray chamber 10 by way of atomization coating It is graphene coated to the surface of sucker rod semi-finished product, it is then dried after application by drying unit B11, forms sucker rod Finished product 14.Atomization process is that the conventional process of surface treatment more can guarantee coating using atomization process compared with spraying process Uniformity.

After the end of carbon fiber core 28 passes through pultrusion die 7, which is connect with a bandlet (not shown), The bandlet is nylon bandlet common on the market, is selected according to tensile strength.

Bandlet is drawn by dragger 12 to provide the power of product traveling；The end of carbon fiber core 28 reaches dragger After 12, dragger 12 directly draws sucker rod finished product 14, to realize continuous production, the pultrusion speed of dragger 12 in continuous production For 0.25-0.45m/min, then by reel 13 sucker rod finished product 14 is coiled up.

Claims (3)

1. a kind of constant temperature heat tracing carbon-fiber continuous rod, including carbon fiber core (28), it is characterised in that：The carbon fiber The center of core (28) is provided with ribbon heater A (40), and the carbon fiber for constituting carbon fiber core (28) is coated on ribbon heater A's (40) Around, successively spiral winding has ribbon heater B (45), winding glass layer A (29) and winding glass to carbon fiber core (28) outside Fibrous layer B (34), winding glass layer B (34) are coated with longitudinal glass layer (30), longitudinal glass layer (30) Outer wall is coated with epoxy resin layer (31), and carbon fiber core (28) is led to by the carbon fiber that specification is 150/12K to 242/12K It crosses the carbon fiber bundle that epoxy resin is bonded to constitute, winds glass layer A (29) and two layers of glass layer B (34) of winding twines Winding screw angle around glass fibre is 45 °, and winding direction is on the contrary, winding glass layer A (29) and winding glass fibre Layer B (34) is bonded on the outside of ribbon heater B (45) by epoxy resin, the glass fibre and carbon fiber core of longitudinal glass layer (30) Body (28) is arranged in parallel, and longitudinal glass layer (30) is bonded in winding glass layer B (34) outer wall, oil pumping by epoxy resin Two ends of bar are connected with rod connector.

2. a kind of constant temperature heat tracing carbon-fiber continuous rod according to claim 1, it is characterised in that：Carbon fiber stretches strong 4950Mpa or more is spent, carbon fiber core (28) diameter is 11-14mm, winds glass layer A (29) and winding glass layer The winding that two layers of B (34) is with a thickness of 0.4-0.6mm, and longitudinal glass layer (30) is by 42/2400tex-106 root/2400tex Glass fibre composition, the winding glass layer A (29), winding glass layer B (34) and longitudinal glass layer (30) glass fibre in uses S grades of alkali-free glass fibres, glass fiber strength 2500Mpa or more, line density 2400 ± 5% TEX, tensile modulus of elasticity 88Gpa or more, moisture content 0.1% is hereinafter, 200 DEG C of the epoxy resin heatproof, epoxy resin drawing Stretch intensity 60-85Mpa, stretch modulus 2.5-3.0Gpa, elongation 3.5-5.0%, bending strength 100-135Mpa, bending modulus 2.5-3.5Gpa is additionally provided with polyethylene layer and graphene layer (33) on the outside of sucker rod.

3. a kind of constant temperature heat tracing carbon-fiber continuous rod according to claim 1, it is characterised in that：The ribbon heater The structure of A (40) includes the identical copper stranded conductor (44) of three sectional areas, is provided with copper stranded conductor on the outside of every copper stranded conductor (44) Insulating layer (43) is coated with plastic protective cover (41) around three copper stranded conductors (44), and plastic protective cover (41) and copper stranded conductor are exhausted It is provided in space between edge layer (43) filling plastic layer (42), the outer profile of the cross section of filling plastic layer (42) is circle Shape.