WO2020237900A1 - Chaîne de production de matériau composite et procédé de production reposant sur un procédé de tension par gravité verticale - Google Patents

Chaîne de production de matériau composite et procédé de production reposant sur un procédé de tension par gravité verticale Download PDF

Info

Publication number
WO2020237900A1
WO2020237900A1 PCT/CN2019/104977 CN2019104977W WO2020237900A1 WO 2020237900 A1 WO2020237900 A1 WO 2020237900A1 CN 2019104977 W CN2019104977 W CN 2019104977W WO 2020237900 A1 WO2020237900 A1 WO 2020237900A1
Authority
WO
WIPO (PCT)
Prior art keywords
composite material
vertical
area
production line
processing
Prior art date
Application number
PCT/CN2019/104977
Other languages
English (en)
Chinese (zh)
Inventor
蒋文君
蒋佳芸
陈超
高伟凯
Original Assignee
江苏云芯电气有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201920803061.XU external-priority patent/CN212219374U/zh
Priority claimed from CN201910465048.2A external-priority patent/CN110303702A/zh
Priority claimed from CN201910463797.1A external-priority patent/CN110303704A/zh
Application filed by 江苏云芯电气有限公司 filed Critical 江苏云芯电气有限公司
Priority to CA3141580A priority Critical patent/CA3141580A1/fr
Publication of WO2020237900A1 publication Critical patent/WO2020237900A1/fr
Priority to ZA2021/09191A priority patent/ZA202109191B/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die

Definitions

  • the invention relates to the technical field of composite material production, in particular to a composite material production line and a production method based on a vertical heavy vertical tensioning method.
  • glass fiber reinforced resin products are widely used in national defense, industrial and agricultural production and people’s daily life, such as missile shells and satellites, for their corrosion resistance, high temperature resistance, radiation resistance, low density, good rigidity, and high strength.
  • Fairings, heat-proof materials for spacecraft, shells, fins and propellers of aircraft and ships, glass fiber reinforced resin products are mainly used in the civil industry for pressure vessels and pipes, anti-corrosion vessels, automobile dashboards, and bumpers , Electrical insulation, yachts, etc.
  • the production process mainly includes coating resin on glass fiber, and winding the resin coated glass fiber layer by layer through a pressure roller and a winding shaft After the thickness of the winding reaches the requirement of the tube wall, a glass fiber reinforced resin blank tube is produced, and then cured at a high temperature to obtain the final finished tube.
  • the glass fiber is still a certain distance away from the winding roller after the sizing step. During this distance, the glue agglutination often occurs, which leads to uneven distribution of the glue in the overshoot of the winding process. After drying, tiny air chambers will appear in the pipe wall, which will seriously affect the product quality and service life of the finished pipe.
  • Another common drawing and extrusion process is to pass reinforcement materials such as felt, cloth, and continuous untwisted yarn through an impregnated resin, then pass through a pipe mold, and then be drawn by a tractor to continuously produce different lengths. Restricted epoxy resin pipes and other products.
  • the mechanical strength of glass fiber composites is mainly determined by the fibers.
  • the main function of the matrix resin is to bond the bundles of fibers together to transfer stress and strain. If the bond between the resin and the fiber is not good, the stress cannot be effectively transferred between the fibers, and it is difficult for the fiber to bear the main load.
  • Insulating pole tower 1. Insulating pole tower:
  • glass fiber composite materials have been used in the field of power communication and transmission.
  • Transmission poles, towers and other products can greatly improve the insulation of the line, and greatly improve the line's resistance to pollution flashover, ice flashover, wind deviation, and lightning resistance.
  • the performance and use of composite power transmission towers have gradually attracted attention in the power field.
  • the most widely used steel pipeline anti-corrosion coatings in China are petroleum asphalt, PE jacket and PE foam jacket, epoxy coal tar pitch, coal tar enamel, epoxy powder and three-layer composite structure, etc.
  • the two most widely used pipeline anti-corrosion coatings The method is a three-layer structure polyolefin anti-corrosion layer and a single-layer powder epoxy.
  • Petroleum bitumen anticorrosion layer is made of glass fiber cloth after being soaked in asphalt and placed on the outer wall of the oil pipeline to play a role in anticorrosion.
  • the technology is relatively mature, the required raw materials are low in price, and the sources of materials and ingredients are easy and extensive.
  • the material has low temperature resistance and high water absorption. Due to the inhalation of more water, the anti-corrosion performance of the material will be reduced. Also, due to the influence of the surrounding environment and other factors, the anti-corrosion effect will also decline linearly. Moreover, the working conditions are poor, the quality is difficult to guarantee, and the environmental pollution is serious.
  • Epoxy coal tar pitch is easy to operate, but the covering layer has a long curing time and is greatly affected by the environment. It is not suitable for field operations and is difficult to construct below 10°C.
  • Epoxy powder anti-corrosion using electrostatic spraying method, good fusion with the same material anti-corrosion pipe body, strong adhesion, but epoxy powder has poor water resistance (high water absorption rate, up to 0.83%).
  • Cathodic protection design brings certain difficulties. On-site appliances are demanding, difficult to operate, and difficult to control quality.
  • Polyolefin anticorrosive layer is divided into two-layer structure and three-layer structure.
  • the bottom layer of the two-layer structure is adhesive and the outer layer is polyethylene;
  • the bottom layer of the three-layer structure is epoxy coating,
  • the middle layer is adhesive, and
  • the surface layer is polyethylene.
  • the epoxy coating in the three-layer structure can be liquid epoxy coating or epoxy powder coating.
  • the main advantages of the two-layer polyolefin anticorrosion layer are high insulation resistance, good stray current resistance, and convenient construction.
  • the main disadvantage is that the spiral lap joint is long, which is easy to cause adhesion failure at the lap joint and form corrosive medium infiltration.
  • the three-layer polyolefin anticorrosive layer has strong pipeline anticorrosion and sealing performance, high mechanical strength, strong waterproofness, stable quality, convenient construction, good applicability, and no pollution to the environment.
  • PE has low water absorption (less than 0.01%), high epoxy strength, low PE water absorption, and good hot melt flexibility. It has high corrosion resistance and reliability.
  • the disadvantages are: high cost and complex process.
  • the production lines of glass fiber composite materials at home and abroad are all semi-automatic growth lines, and the production method is horizontal production.
  • the mold due to the large diameter of the pipe produced, the mold is highly eccentric from the top and bottom of the product, and the pultrusion process will be uneven.
  • Air contact can easily form bubbles and holes between the layers of the pultruded composite material, causing problems such as hollowing and eccentricity of the pipe; in addition, due to gravity, the resin infiltrated in the upper layer will automatically flow down during the pultrusion process, causing the upper fiber to lack resin , The lower fiber layer is rich in resin, and the part lacking resin in the upper layer will not be cured, and the product section will become white, which will seriously affect the strength of the pipe and the stability of the product is extremely low.
  • the present invention provides a composite material production line based on the vertical heavy vertical tensioning method and a production method thereof.
  • the vertical structure of the production line design thoroughly solves the problems of insufficient resin immersion and interlayer bubbles. Ensure the complete curing of the fiber reinforced composite material and improve the quality of the profile.
  • the invention includes a plurality of vertically distributed processing areas separated by floor planes, a coaxial processing channel is opened in the center of the processing area, and the traction device vertically pulls the pre-stressed raw materials through the processing channels of each processing area to complete processing.
  • the processing area includes an inner mold forming area, an outer mold forming area, a solidification and setting area, a surface treatment area, a traction area, an injection cooling area, a cutting area and a finished product stacking area in order from top to bottom.
  • a sliding rail hanging beam is provided on the top of the inner mold forming area, a resin immersion tank and resin injection equipment are provided at the bottom, and the sliding rail hanging beam is installed with a vertical cable passing through and coaxial with the processing channel.
  • the yarn, felt, and cloth on the rack pass through the inner core mold and pass through the immersion tank to form an inner mold and enter the next layer area down.
  • the outer mold forming area includes a large winding turntable, a second resin immersion tank, and a vertically arranged outer mold distributed from top to bottom around the processing channel, and a plurality of belt tensioners are distributed around the large winding turntable.
  • the surface treatment zone includes a surface polishing zone and a surface cleaning zone, and a dust collection device is arranged in the surface treatment zone.
  • a deep well pit is provided at the bottom of the stacking area.
  • the yarns, felts, and cloths are all basalt polymer fibers, aramid fibers, glass fibers, carbon fibers and the like.
  • exhaust gas treatment equipment is provided at the top of the processing area.
  • the present invention also provides a composite material production method based on the vertical heavy vertical tensioning method, which includes the following process: first arrange the equipment of the composite material production line vertically from top to bottom in the production order, and set up in the center of each processing area Coaxial processing channels; then the traction device is used to pull the pre-tensioned raw materials, so that the processing channels in the vertical direction pass through the processing equipment in turn to obtain the finished fiber-reinforced composite material profiles.
  • the traction process specifically includes the following steps:
  • basalt polymer fibers for the production of reinforced composite material profiles has excellent insulation, high temperature resistance, good rigidity, high strength, corrosion resistance, acid resistance, and aging resistance.
  • Basalt fiber has high tensile strength and yield strength and is low in price.
  • the processed twistless roving is suitable for the development of prestressed basalt fiber composite materials; the processing of basalt fiber is relatively simple, and the processing process is green and environmentally friendly, which is in line with the world's new energy-saving and environmentally friendly materials The technical requirements meet the requirements of the world's sustainable development of circular economy.
  • the new insulation profiles produced have a wide range of applications. They can be used in power systems for high-strength and ultra-light insulation tools, insulation poles, and insulation arms; they can be used in various pipelines in the petrochemical industry; they can be used in civil pressure vessels, Anti-corrosion containers, automobile dashboards and bumpers, etc.; it can also be used for 5G towers. Due to the use of inorganic materials, it has excellent lightning protection and anti-interference performance. It has 50-year anti-corrosion protection. The cost is two-thirds of the ordinary tower and the weight is only the tower. One-sixth.
  • the research and development of the composite material production line based on the vertical heavy vertical tensioning method is the first in the world, filling the gap in related fields, and being the world's leading level.
  • Figure 1 is a schematic diagram of the structure of the present invention.
  • Figure 2 is a schematic diagram of the structure of the inner mold forming area and the outer mold forming area.
  • Figure 3 is a schematic diagram of the structure of the surface treatment zone.
  • Figure 4 is a schematic diagram of the traction zone structure.
  • Figure 5 is a schematic diagram of the injection cooling zone and cutting zone structure.
  • Figure 6 is a schematic diagram of the structure of the finished product stacking area.
  • Fig. 7 is a schematic diagram of a die in the existing horizontal stretch extrusion process.
  • Fig. 8 is a schematic diagram of a mold used in the vertical re-hanging tensioning method of the present invention.
  • Figure 9 is a cross-sectional view of a profile die with a complex structure that can be installed with a honeycomb-like structure in a vertical pultrusion.
  • FIG. 1 A specific structure of the present invention is shown in Fig. 1, which includes a 12-layer processing area separated by a floor surface 17 vertically distributed, a coaxial processing channel is opened in the center of the processing area, and a traction device vertically pulls the raw material that has been prestressed.
  • the processing is completed through the processing channels of each processing area in turn.
  • the processing area includes an inner mold forming area, an outer mold forming area, a solidification and setting area, a surface treatment area, a traction area, an injection cooling area, a cutting area and a finished product stacking area in order from top to bottom.
  • the overall height is 67m, and the bottom of the equipment is equipped with a 30-meter deep well.
  • the structures of the inner mold forming area and the outer mold forming area of the first layer and the second layer are shown in FIG. 2, and the exhaust gas treatment equipment 1 is provided at the top of the processing area.
  • the top of the inner mold forming area is provided with a slide rail hanging beam 2, and the bottom is provided with a resin immersion tank 7 and resin injection molding equipment.
  • the slide rail hanging beam is installed with a vertical liftable inner core mold passing through and coaxial with the processing channel.
  • the inner core mold can be raised and lowered 6 distributed around a number of belt tensioning rack 3, with tensioning creel 5 and belt tensioning felt rack 4, with tensioning cloth rack, belt tensioning creel and belt tensioning
  • the yarn, felt and cloth on the felt frame pass through the inner core mold 6 and pass through the immersion tank 7 to form an inner mold 9 and enter the outer mold forming area downward.
  • the outer mold forming area includes a large winding turntable 8, a resin immersion tank 7, and a vertically arranged outer mold 10 distributed from top to bottom around the processing channel. A number of strips are distributed around the winding turntable 8 Frame 3 and belt tension felt frame 4.
  • the pipe 18 is pulled out from the outer mold 10 and enters the curing and shaping zone (the third and fourth layers are ovens) for curing and shaping. After curing and shaping, it enters the fifth layer surface polishing zone, and the surface is polished by the polishing machine 12. After the polishing is completed, it enters the sixth layer surface cleaning area, and the surface of the pipe is cleaned by the cleaning device 13.
  • the fifth and sixth layers are equipped with a dust collecting cover 11 sheathed on the outer edge of the pipe. As shown in Figure 3.
  • the ninth floor is provided with an injection molding machine 14 and a corresponding cooling pool 15. Weather-resistant polymer plastic is injected into the outer layer of the insulating pipe. After the injection of the outer layer is completed, enter the automatic cutting device 16 (tenth layer) for fixed-length cutting, as shown in FIG. 5.
  • a 30m deep well pit is provided at the bottom of the stacking area. After the pipe is cut, it falls into the deep well, and after being hoisted out, the pipe is in the lowermost stacking area 20, as shown in FIG. 6.
  • the yarns, felts, and cloths are basalt polymer fibers, aramid fibers, glass fibers, carbon fibers and the like.
  • the basalt polymer fiber is selected for the production of fiber-reinforced composite material profiles, which have excellent insulation, high temperature resistance, good rigidity, high strength, corrosion resistance, acid resistance, and aging resistance.
  • the processing method using this device is as follows:
  • the pre-stressed yarn, cloth, and felt are passed through the inner core mold, through the resin immersion tank, and down into the second layer.
  • the new type of fiber reinforced composite material profile produced in this way the outer layer of injection-molded weather-resistant polymer plastic completely solves the problems of durability and anti-aging of the glass fiber composite material profile; the new one-vertical vertical tensioning method completely solves the horizontal tensioning
  • the method has the problem of eccentricity; the use of basalt polymer fiber improves the electrical and mechanical properties of the profile. It can fully meet the requirements of insulating arm materials such as live working vehicles and live working robots.
  • the new type of fiber-reinforced composite material profile produced by the composite material production line of the vertical heavy vertical tensioning method is widely used in the market. It can be used in various pipelines in the power system and petrochemical industry, and can also be used in 5G towers. Due to the use of inorganic materials, The lightning protection and anti-interference performance are excellent, with 50 years of anti-corrosion protection, the cost is two-thirds of the ordinary iron tower, and the weight is only one-sixth of the iron tower.
  • the number of power transmission line towers is huge, and the strength and rigidity of the new fiber reinforced composite material profiles can completely exceed the performance indicators of 45# steel. It can be used to make insulated poles and towers. Because of its own insulation, the matching fittings and insulators of the poles are greatly reduced; the cross arms of large steel pipe towers can be made of basalt fiber reinforced composite pipes, which can greatly reduce the safety between the upper and lower cross arms. Clearance distance, thereby reducing the height of the overall tower. Taking a 220kV steel pipe tower as an example, by using an insulating cross arm, the safety gap distance can be reduced by 8 meters, the total height can be reduced by 8 meters, the foundation, steel, etc. are greatly reduced, and insulators are not required, and the procurement cost is greatly reduced.
  • non-stop maintenance is an inevitable trend in the development of power grids, and live working tools are necessary for non-stop maintenance.
  • the new type of fiber-reinforced composite material profile can withstand high temperature, high mechanical strength, good rigidity, and excellent electrical insulation. Under the condition of meeting the safety requirements of live working, its weight is one-fourth of the current epoxy resin pipe, which is greatly improved The operability of tools can improve work efficiency.
  • the insulated arms used in China are imported. Even if some of the arms are made in China, the insulated arms are also imported from abroad.
  • the price of a set of insulated arms varies with the voltage level, ranging from 50,000 to 300,000.
  • Each county power supply company needs at least 4 insulated bucket trucks.
  • the insulating arm made of the new high-strength insulating material studied by the company guarantees performance at only half of the imported price, and the market is relatively huge. For more than 2,000 counties across the country, the estimated amount is 1 billion.
  • the existing signal towers are all iron tower structures, which are relatively heavy, and each tower needs to set up an independent lightning protection and interference prevention system, and the cost is relatively high.
  • the new fiber-reinforced composite material profile produced by the invention can completely replace the metal pipe of the existing iron tower. Since the main body of the tower is an inorganic material, it has excellent lightning protection and anti-interference performance and has a 50-year anti-corrosion guarantee.
  • the vertical heavy hammer tensioning method adopted in the present invention can realize the preparation of various hollow shaped pipes, greatly reducing the use of materials and the overall weight of the tower. The cost is two-thirds of that of an ordinary iron tower and the weight is only six times that of an iron tower. One part.
  • the first point is that the vertical pultrusion process solves the technical problem that large-size modules cannot be fixed in the conventional horizontal pultrusion process.
  • Figure 7 it includes a mold 22, a mold fixing device 23 and a heat curing device 21.
  • the horizontal pultrusion mold is fixed by a fulcrum at one end of the mold, and the eccentricity of the pultruded product is adjusted through the fulcrum.
  • the mold used is very large. Take the 110kV composite pole tower as an example. The maximum diameter of the pole tower can reach 1500mm. The weight of the mold will be very large.
  • the mold size can be extended as much as possible to ensure that the large-size pultruded FRP sample is fully heated Cured, the material performance is better.
  • the second point is that the vertical pultrusion process solves the product gas problem in the conventional horizontal pultrusion process, and the product contains the technical problem of bubbles.
  • the air brought by the resin, the small molecules volatilized in the resin, and the water vapor in the fiber will escape upward after entering the mold and heating, but there is no vent at the upper end of the horizontal pultrusion curing device, so it is difficult for the gas to escape in time After being solidified in the composite body, large and small bubbles are produced. This is the reason why the pultrusion process cannot be too fast. The faster the gas escapes, the more difficult it is, and the more bubbles will be in the product. In the vertical pultrusion, the gas will automatically escape upward after being heated, and will be discharged from the upper end of the curing device, instead of being cured into the product because it cannot escape in time, forming bubble defects.
  • the third point is that the vertical pultrusion process solves the technical problems of lack of resin infiltration on the top of the preform and abundant resin below it that appears in the conventional pultrusion process.
  • the fiber In the horizontal pultrusion process, the fiber infiltrates the resin, and when the fiber enters the curing device, the resin will automatically flow downwards under the action of gravity. As a result, the upper part of the fiber lacks resin infiltration and cannot be cured, and the bottom fiber The problem of resin surplus. Vertical pultrusion, the impregnated fiber and resin go down together, and the problem of fiber and resin separation will not occur. At the same time, the pressure is increased by the resin injection press equipment to completely solve the problem of uneven resin distribution on the fiber.
  • the fourth point is that the vertical pultrusion process can be installed with a honeycomb-like structure die to pull and extrude hollow structural profiles. Utilizing the technical characteristics of FRP composite materials and design to maximize the weight reduction of composite materials while increasing the modulus of structural parts, realizing light weight and high strength in the true sense. Due to the space and installation characteristics, horizontal pultrusion cannot install the complex mold in Figure 9, while vertical pultrusion can take advantage of the three-dimensional space to install pultrusion molds with different complex structures to achieve the hollowness of large-scale component products, which is guaranteed by design The strength and modulus of the composite material component can further effectively reduce the cost of the composite material component by removing unnecessary weight. This hollow structure composite material component will be an ideal substitute for truss towers, bridge components and many infrastructure concrete reinforcement materials.
  • the vertical pultrusion process can save the equipment area by placing the equipment vertically. Compared with horizontal installation, vertical installation makes full use of the space above and below the ground and takes up less plant area. For the economically developed East China, where the land is expensive, it can save a lot of production line construction and purchase land area costs.
  • the vertical pultrusion production line can be the same as the ordinary horizontal pultrusion.
  • the new equipment has better compatibility and can be equipped with an injection molding device to directly inject a layer of weather-resistant polymer plastic on the surface of the pultruded continuous profile. , Improve the weather resistance of the entire component product, and ensure the stability of the product for outdoor applications without reducing the production and processing efficiency and productivity of the product.

Abstract

La présente invention concerne une chaîne de production de matériau composite et un procédé de production reposant sur un procédé de tension par gravité verticale, le procédé de production impliquant : premièrement, l'agencement séquentiel de tous les appareils de la chaîne de production de matériau composite verticalement de haut en bas selon une séquence de production et la définition d'un canal de traitement coaxial au centre de chaque zone de traitement ; puis la traction d'une matière première tendue avec une précontrainte au moyen d'un dispositif de traction, de sorte que la matière première passe à travers chaque appareil de traitement le long du canal de traitement de manière séquentielle dans la direction verticale de manière à obtenir un profil de matériau composite renforcé par des fibres finies (FRP). Selon l'invention, les problèmes d'immersion de résine insuffisante et de bulles inter-couches sont soigneusement résolus au moyen de la conception de chaîne de production d'une structure verticale, le durcissement complet du matériau composite renforcé par des fibres est assuré et la qualité de tuyau est améliorée. Le profil produit à partir de celui-ci présente une large gamme d'applications et peut être utilisé pour divers profils dans des systèmes d'alimentation et l'ingénierie pétrochimique, et également dans un pylône support 5G. Comme le matériau inorganique est utilisé en son sein, le pylône support 5G présente une excellente protection contre la foudre, une excellente performance anti-interférence et une excellente protection anti-corrosion pendant 50 ans ; et son coût représente les deux tiers du coût d'une tour en fer ordinaire et seulement un sixième du poids de la tour en fer.
PCT/CN2019/104977 2019-05-30 2019-09-09 Chaîne de production de matériau composite et procédé de production reposant sur un procédé de tension par gravité verticale WO2020237900A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA3141580A CA3141580A1 (fr) 2019-05-30 2019-09-09 Chaine de production de materiau composite et procede de production reposant sur un procede de tension par gravite verticale
ZA2021/09191A ZA202109191B (en) 2019-05-30 2021-11-17 Composite material production line and production method based on vertical gravity tensioning method

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201920803061.XU CN212219374U (zh) 2019-05-30 2019-05-30 基于竖直重垂张拉法的树脂材料生产线
CN201910465048.2 2019-05-30
CN201920803061.X 2019-05-30
CN201910463797.1 2019-05-30
CN201910465048.2A CN110303702A (zh) 2019-05-30 2019-05-30 基于竖直重垂张拉法的树脂材料生产方法
CN201910463797.1A CN110303704A (zh) 2019-05-30 2019-05-30 基于竖直重垂张拉法的树脂材料生产线

Publications (1)

Publication Number Publication Date
WO2020237900A1 true WO2020237900A1 (fr) 2020-12-03

Family

ID=73552713

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/104977 WO2020237900A1 (fr) 2019-05-30 2019-09-09 Chaîne de production de matériau composite et procédé de production reposant sur un procédé de tension par gravité verticale

Country Status (3)

Country Link
CA (1) CA3141580A1 (fr)
WO (1) WO2020237900A1 (fr)
ZA (1) ZA202109191B (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1504197A1 (de) * 1965-12-21 1969-09-25 Akad Wissenschaften Ddr Verfahren und Vorrichtung zur Herstellung von Staeben,Profilen und Rohren aus faserverstaerkten Plasten in vertikaler Laufrichtung
GB9008655D0 (en) * 1990-04-18 1990-06-13 Caledonia Composites Vertical pultruder
CN201824563U (zh) * 2010-07-21 2011-05-11 高宝安 多层纤维复合积层型材的立式拉挤成形装置
CN106426977A (zh) * 2016-08-30 2017-02-22 李鹏飞 一种立式复合材料管道生产线
CN109367074A (zh) * 2018-12-12 2019-02-22 南京诺尔泰复合材料设备制造有限公司 连续纤维增强复合材料垂直拉挤机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1504197A1 (de) * 1965-12-21 1969-09-25 Akad Wissenschaften Ddr Verfahren und Vorrichtung zur Herstellung von Staeben,Profilen und Rohren aus faserverstaerkten Plasten in vertikaler Laufrichtung
GB9008655D0 (en) * 1990-04-18 1990-06-13 Caledonia Composites Vertical pultruder
CN201824563U (zh) * 2010-07-21 2011-05-11 高宝安 多层纤维复合积层型材的立式拉挤成形装置
CN106426977A (zh) * 2016-08-30 2017-02-22 李鹏飞 一种立式复合材料管道生产线
CN109367074A (zh) * 2018-12-12 2019-02-22 南京诺尔泰复合材料设备制造有限公司 连续纤维增强复合材料垂直拉挤机

Also Published As

Publication number Publication date
ZA202109191B (en) 2022-02-23
CA3141580A1 (fr) 2020-12-03

Similar Documents

Publication Publication Date Title
CN201043360Y (zh) 复合材料电线杆
CN107916820B (zh) 一种输电线路用复合材料杆塔及其制备方法
CN107740629B (zh) 碳纤维拉挤板增强输电线路用复合材料杆塔及其制备方法
CN110303704A (zh) 基于竖直重垂张拉法的树脂材料生产线
CN212219374U (zh) 基于竖直重垂张拉法的树脂材料生产线
CN207469874U (zh) 一种碳纤维拉挤板增强输电线路用复合材料杆塔
CN103398239A (zh) 一种高耐磨玻璃钢夹砂管道的制备方法
CN110303702A (zh) 基于竖直重垂张拉法的树脂材料生产方法
WO2020237900A1 (fr) Chaîne de production de matériau composite et procédé de production reposant sur un procédé de tension par gravité verticale
CN108407326A (zh) 一种frp薄壁电杆及其制造方法
CN103386764A (zh) 特大型玻璃钢贮罐的制作方法
NL2029892B1 (en) Composite material production line and production method based on vertical gravity tensioning method
CN212609271U (zh) 竖直链条牵引设备
CN111300848A (zh) 基于竖直重垂张拉法的绝缘杆塔内模模具
CN111559096A (zh) 基于竖直重垂张拉法的绝缘杆塔生产线的集束结构
CN212422244U (zh) 基于竖直重垂张拉法的绝缘杆塔模具
CN212603547U (zh) 基于竖直重垂张拉法的绝缘杆塔内模模具
CN212422250U (zh) 基于竖直重垂张拉法的绝缘杆塔生产线的集束结构
CN210820992U (zh) 玄武岩复合树脂高强度超轻绝缘管材生产线
CN203547210U (zh) 一种内加筋复合材料杆塔
CN202125106U (zh) 无芯模制复合材料杆塔
CN213082438U (zh) 基于竖直重垂张拉法的绝缘杆塔生产线的树脂布缠绕装置
CN213472275U (zh) 基于竖直重垂张拉法的绝缘杆塔生产线
CN213137880U (zh) 基于竖直重垂张拉法的绝缘杆塔芯模模具组
CN213082437U (zh) 基于竖直重垂张拉法的绝缘杆塔生产线的张拉装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19931267

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 3141580

Country of ref document: CA

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19931267

Country of ref document: EP

Kind code of ref document: A1