CN112803322B - Glass fiber reinforced plastic cable conduit and processing technology thereof - Google Patents
Glass fiber reinforced plastic cable conduit and processing technology thereof Download PDFInfo
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- CN112803322B CN112803322B CN202110058023.8A CN202110058023A CN112803322B CN 112803322 B CN112803322 B CN 112803322B CN 202110058023 A CN202110058023 A CN 202110058023A CN 112803322 B CN112803322 B CN 112803322B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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Abstract
The invention discloses a glass fiber reinforced plastic cable conduit and a processing technology thereof, belonging to the technical field of cable conduits, wherein a plurality of axial fibers arranged along the axial direction are annularly distributed on the outer side wall of an inner sheath, and transverse fibers sleeved on the outer sides of the plurality of axial fibers are annularly wound along the inner sheath, the transverse fibers are spirally wound on the outer side of the inner sheath to play a role in positioning the plurality of axial fibers, the axial fibers along the axial direction are matched with the transverse fibers wound annularly, so that the axial strength and the transverse strength of the inner sheath are enhanced, an inner layer reinforcing body and an outer sheath are respectively sleeved at the inner end and the outer end of the inner sheath, the inner layer reinforcing body not only further enhances the axial strength of the inner sheath, and the integral mechanical strength of the cable conduit is effectively enhanced by matching with a multi-layer laminated structure, and the heat resistance, the heat resistance and the like of the cable conduit are also enhanced to a certain extent, Corrosion resistance and ageing resistance, and effectively plays a good role in protecting the cable arranged on the inner side of the cable.
Description
Technical Field
The invention relates to the technical field of cable ducts, in particular to a glass fiber reinforced plastic cable duct and a processing technology thereof.
Background
The glass fiber reinforced plastic conduit is a light, high-strength and corrosion-resistant nonmetal pipeline. The glass fiber with resin matrix weight is wound on a rotating core mold layer by layer according to the technological requirement, and quartz sand is uniformly paved among the fibers at a long distance to serve as a sand inclusion layer. The pipe wall structure is reasonable and advanced in design, can fully play the role of materials, improves the rigidity on the premise of meeting the use strength, and ensures the stability and the reliability of the product. The glass fiber reinforced plastic conduit has the advantages of excellent chemical corrosion resistance, light weight, high strength, no scale formation, strong shock resistance, long service life compared with a common steel pipe, low comprehensive manufacturing cost, quick installation, safety, reliability and the like, and is accepted by the majority of users.
The glass fiber reinforced plastic cable duct is a pipe made of glass fiber reinforced plastic material for protecting telecommunication cables, communication cables and the like, and generally has a small diameter. In the prior art, a hoop winding method is adopted for continuous layering, and a pipe product with a certain length is cut after curing, so that the axial strength of the cable guide pipe is insufficient, and the guide pipe is easy to break in the construction and use processes.
Therefore, a glass fiber reinforced plastic cable conduit and a processing technology thereof are provided to effectively solve the problems in the prior art.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a glass fiber reinforced plastic cable conduit and a processing technology thereof, wherein a plurality of axial fibers arranged along the axial direction are annularly distributed on the outer side wall of an inner sheath, transverse fibers sleeved outside the plurality of axial fibers are annularly arranged along the inner sheath in a winding manner, the transverse fibers are spirally arranged outside the inner sheath in a winding manner, the plurality of axial fibers are positioned, the axial fibers along the axial direction are matched with the transverse fibers arranged in the annular winding manner, so that the axial strength and the transverse strength of the inner sheath are enhanced, an inner layer reinforcing body and an outer sheath are respectively sleeved at the inner end and the outer end of the inner sheath, the inner layer reinforcing body not only further enhances the axial strength of the inner sheath, but also effectively enhances the overall mechanical strength of the cable conduit by matching with a plurality of stacked structures, and also enhances the heat resistance of the cable conduit to a certain extent, Corrosion resistance and ageing resistance, and effectively plays a good role in protecting the cable arranged on the inner side of the cable.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a glass fiber reinforced plastic cable conduit, including the inner sheath, the annular distribution has many axial fibers on the lateral wall of inner sheath, many axial fibers are unanimous with the axial length size of inner sheath, the cover is equipped with the horizontal fibre that is located many axial fibers outside on the lateral wall of inner sheath, horizontal fibre is the heliciform around locating the inner sheath outside, the lateral wall of inner sheath is equipped with cladding in axial fiber, the bonding coating in the horizontal fibre outside, the outside cover of bonding coating is equipped with the oversheath, the inside cover of inner sheath is equipped with the inlayer reinforcer, the outer wall of inlayer reinforcer inlays with the inner wall of inner sheath and establishes the connection.
Furthermore, the axial fibers and the transverse fibers are made of glass fibers, and the outer diameters of the axial fibers and the transverse fibers are 2-4 mm.
Furthermore, the outer end wall of the inner sheath is coated with an adhesive, and aramid fiber yarns are uniformly sprayed on the outer end wall of the inner sheath.
Furthermore, the outer diameter of the aramid fiber yarn is 1-3mm, the length of the aramid fiber yarn is 20-30mm, and the axial strength of the inner sheath is further improved by utilizing axial fibers, transverse fibers and the aramid fiber yarn covered on the outer wall of the inner sheath.
Furthermore, the bonding coating layer is made of thermosetting materials, the inner end wall of the bonding coating layer is bonded with the outer end wall of the inner sheath, foamed stone fibers are doped in the bonding coating layer, the heat insulation and shock absorption properties of the bonding coating layer are effectively improved, and the high-temperature resistance and shock resistance of the cable guide pipe are effectively enhanced.
Further, the inner layer reinforcing body is located the inside interior abrasionproof layer of inner sheath including the cover, is equipped with the glass fiber pipe of a plurality of annular distributions between interior abrasionproof layer and the inner sheath, and a plurality of glass fiber pipes set up with the same unanimity of axial length size of inner sheath, form between interior abrasionproof layer and the inner sheath and fill the chamber, fill the intracavity and be equipped with thermosetting resin and pack.
Further, set up a plurality of arcs that are used for glass fiber tube to inlay to establish on the inner wall of inner sheath and inlay and establish the chamber, it covers the flitch to be equipped with a plurality of annulars of impartial distribution on the outer lateral wall of interior abrasionproof layer in the packing intracavity, annular covers the flitch and inlays the inner of locating a plurality of glass fiber tubes of annular distribution, offer on the outer end wall of annular cover flitch and be used for glass fiber tube to inlay the linking chamber of establishing the installation, a plurality of glass fiber tubes inlay with the inner sheath inner wall and establish and be connected, cooperate the inlaying of a plurality of glass fiber tubes to establish and connect, effectively improve the axial and the transverse strength of inner sheath, thermosetting resin packs and overflows in the packing intracavity, effectively guarantee the high strength and good heat resistance of inner sheath, electrical property, corrosion resistance, ageing resistance.
Furthermore, fiber thorns are distributed on the side walls of the plurality of annular covering plates and the glass fiber pipes, the annular covering plates are made of flexible refractory materials, and the connection effect between the thermosetting resin filler and the glass fiber pipes and between the thermosetting resin filler and the annular covering plates is easy.
Furthermore, the outer side wall of the bonding coating layer is sleeved with the bonding layer, the inner end wall and the outer end wall of the bonding layer are respectively coated with the bonding layer, and the outer sheath and the bonding coating layer are easily bonded in a high-strength mode.
A processing technology of a glass fiber reinforced plastic cable guide pipe comprises the following steps:
s1, firstly, sleeving an inner sheath on an external auxiliary sleeving shaft, coating a layer of adhesive on the outer end wall of the inner sheath, annularly laying a plurality of axial fibers along the axial direction of the inner sheath, and annularly winding transverse fibers along the axial direction of the inner sheath, wherein the transverse fibers are of a spiral structure sleeved on the plurality of axial fibers;
s2, sleeving the adhesive coating layer on the outer side wall of the inner sheath, bonding the adhesive coating layer and the inner sheath, and after the adhesive coating layer and the inner sheath are solidified, taking off the connecting structure of the inner sheath and the adhesive coating layer from the auxiliary sleeving shaft;
s3, embedding and installing an upper inner layer reinforcing body on the inner wall of the inner sheath, embedding a plurality of annular covering plates on the inner wall of the inner sheath, filling thermosetting resin filler into a filling cavity formed between the inner wear-resistant layer and the inner sheath, and performing cooling, leveling and molding;
and S4, finally, sleeving a bonding layer on the outer side wall of the bonding coating layer, and sleeving an outer sheath on the outer side part of the bonding layer, thus finishing the processing of the glass fiber reinforced plastic cable conduit.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) in the scheme, a plurality of axial fibers arranged along the axial direction are annularly distributed on the outer side wall of the inner sheath, and the transverse fibers are annularly wound and sleeved outside the plurality of axial fibers along the inner sheath, the transverse fibers are spirally wound outside the inner sheath, the axial fibers along the axial direction are matched with the transverse fibers wound in an annular mode, so that the axial strength and the transverse strength of the inner sheath are enhanced, the inner layer reinforcement body and the outer sheath are respectively sleeved at the inner end and the outer end of the inner sheath, the inner layer reinforcement body not only further improves the axial strength of the inner sheath, but also effectively improves the overall mechanical strength of the cable conduit by matching with a multi-layer laminated structure, and also improves the heat resistance, corrosion resistance and aging resistance of the cable conduit to a certain extent, and effectively plays a good role in protecting cables arranged on the inner side of the cable conduit.
(2) Axial fibre and horizontal fibre all adopt glass fiber to make, and axial fibre and horizontal fibrous external diameter size are 2-4mm, it has the adhesive to coat on the outer endwall of inner sheath, evenly spray on the outer endwall of inner sheath and have the aramid fiber silk, the external diameter size of aramid fiber silk is 1-3mm, the length of aramid fiber silk is 20-30mm, the adhesive is favorable to playing the bonding fixed action to inside and outside mutually supporting axial fibre 2, horizontal fibre 3 and the aramid fiber silk that sprays, utilize axial fibre, horizontal fibre and cover the aramid fiber silk on the inner sheath outer wall, the axial and the horizontal intensity of inner sheath have further been improved.
(3) The bonding coating adopts thermosetting material to make, and the inner end wall of bonding coating bonds the setting with the outer end wall of inner sheath mutually, and the inside of bonding coating is doped with the foamed stone fibre, effectively improves characteristics such as thermal-insulated, the shock attenuation of bonding coating, effectively strengthens this cable duct's high temperature resistant and anti-seismic performance.
(4) The inner layer reinforcement body comprises an inner wear-resistant layer sleeved inside the inner sheath, a plurality of glass fiber tubes distributed in an annular shape are arranged between the inner wear-resistant layer and the inner sheath, the plurality of glass fiber tubes are arranged in the same size with the axial length of the inner sheath, a filling cavity is formed between the inner wear-resistant layer and the inner sheath, thermosetting resin filler is arranged in the filling cavity, a plurality of arc embedding cavities for embedding the glass fiber tubes are formed in the inner wall of the inner sheath, a plurality of annular covering plates distributed equally on the outer side wall of the inner wear-resistant layer are arranged in the filling cavity, the annular covering plates are embedded in the inner ends of the plurality of glass fiber tubes distributed in an annular shape, a linking cavity for embedding and installing the glass fiber tubes is formed in the outer end wall of each annular covering plate, the plurality of glass fiber tubes are embedded and connected with the inner wall of the inner sheath, the plurality of glass fiber tubes are matched with the embedding and connection of the plurality of glass fiber tubes, and the axial strength and the transverse strength of the inner sheath are effectively improved, meanwhile, the high strength, the good heat resistance, the good electrical property, the good corrosion resistance and the good aging resistance of the inner sheath are effectively ensured by matching with the thermosetting resin filler overflowing in the filling cavity.
(5) The side walls of the plurality of annular covering plates and the glass fiber pipes are respectively provided with fiber spines, and the annular covering plates are made of flexible refractory materials, so that the connection effect between the thermosetting resin filler and the glass fiber pipes and the annular covering plates is easily improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the inner sheath, arcuate nesting cavities, straight fibers, and transverse fiber junctions of the present invention;
FIG. 3 is a schematic view of the inner jacket of the present invention being mounted on a mold mandrel;
FIG. 4 is a perspective view of the inner rib of the present invention;
FIG. 5 is a perspective view of the inner reinforcement body of the present invention with the inner wear layer removed;
fig. 6 is a perspective view of the annular cover plate of the present invention.
The reference numbers in the figures illustrate:
the shaft is established to 1 inner sheath, 101 arc inlays establishes chamber, 2 axial fibre, 3 horizontal fibre, 4 bonding coating, 5 interior abrasionproof layers, 6 glass fiber pipe, 7 annular flitch, 701 linking chamber, 8 thermosetting resin filler, 9 tie coats, 10 oversheath, 11 supplementary covers.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example 1:
referring to fig. 1-2, a glass fiber reinforced plastic cable conduit comprises an inner sheath 1, a plurality of axial fibers 2 are annularly distributed on the outer side wall of the inner sheath 1, the axial length of the plurality of axial fibers 2 is consistent with the axial length of the inner sheath 1, a transverse fiber 3 positioned outside the plurality of axial fibers 2 is sleeved on the outer side wall of the inner sheath 1, the transverse fiber 3 is spirally wound outside the inner sheath 1, the axial fibers 2 and the transverse fiber 3 are made of glass fibers, the outer diameters of the axial fibers 2 and the transverse fibers 3 are 2-4mm, the spirally wound transverse fiber 3 plays a role in positioning the plurality of annularly distributed axial fibers 2, the axial strength of the inner sheath 1 is enhanced by matching the axial fibers 2 along the axial direction with the annularly wound transverse fibers 3, an adhesive is coated on the outer end wall of the inner sheath 1, the adhesive is favorable to playing the fixed action of bonding to inside and outside mutually supporting axial fiber 2, horizontal fibre 3, more do benefit to a plurality of axial fiber 2 ring distributions on inner sheath 1, it has aramid fiber silk to evenly spout to cover on the outer end wall of inner sheath 1, aramid fiber silk's external diameter size is 1-3mm, aramid fiber silk's length is 20-30mm, utilize axial fiber 2, horizontal fibre 3 and cover the aramid fiber silk on the 1 outer wall of inner sheath, the axial strength of inner sheath 1 has further been improved.
The lateral wall of inner sheath 1 is equipped with the cladding in axial fiber 2, the bonding coating 4 in the 3 outsides of transverse fiber, the outside cover of bonding coating 4 is equipped with oversheath 10, bonding coating 4 adopts thermosetting material to make, the interior end wall of bonding coating 4 and the outer end wall of inner sheath 1 bond the setting, the inside of bonding coating 4 is adulterated with the foamed stone fibre, the foamed stone fibre is effective to improve thermal-insulated of bonding coating 4, characteristics such as shock attenuation, effectively strengthen this cable duct's high temperature resistant and anti-seismic performance, the cover is equipped with tie coat 9 on the lateral wall of bonding coating 4, all coat on the interior end wall of tie coat 9 has the tie coat, easily with the bonding of oversheath 10 and 4 high strength of bonding coating.
Referring to fig. 1 and fig. 4-6, an inner layer reinforcement is sleeved inside the inner sheath 1, an outer wall of the inner layer reinforcement is connected with an inner wall of the inner sheath 1 in an embedded manner, specifically, the inner layer reinforcement includes an inner wear layer 5 sleeved inside the inner sheath 1, a plurality of glass fiber tubes 6 distributed in an annular manner are arranged between the inner wear layer 5 and the inner sheath 1, the plurality of glass fiber tubes 6 are arranged in the same axial length as the inner sheath 1, a filling cavity is formed between the inner wear layer 5 and the inner sheath 1, a thermosetting resin filler 8 is arranged in the filling cavity, a plurality of arc embedding cavities 101 for embedding the glass fiber tubes 6 are arranged on the inner wall of the inner sheath 1, a plurality of annular material covering plates 7 equally distributed on an outer side wall of the inner wear layer 5 are arranged in the filling cavity, the annular material covering plates 7 are embedded at inner ends of the plurality of glass fiber tubes 6 distributed in an annular manner, a connecting cavity 701 for embedding and installing the glass fiber tubes 6 is arranged on an outer end wall of the annular material covering plate 7, the plurality of glass fiber pipes 6 are embedded and connected with the inner wall of the inner sheath 1, fiber spines are distributed on the side walls of the plurality of annular covering plates 7 and the glass fiber pipes 6, the annular covering plates 7 are made of flexible refractory materials, and the connection effect between the thermosetting resin filler 8 and the glass fiber pipes 6 and the annular covering plates 7 is improved easily;
and a plurality of glass fiber tube 6 along the axial setting of inner sheath 1, further strengthen the axial strength of inner sheath 1, and distribute in a plurality of annular cover flitch 7 on interior abrasionproof layer 5, effectively improve the transverse strength of inner sheath 1, both cooperations are inlayed and are established, the whole mechanical strength of this cable guide has effectively been improved promptly, and fill the thermosetting resin filler 8 that overflows in the filling cavity, effectively guarantee the high strength and good heat resistance of inner sheath 1, electrical property, corrosion resistance, ageing resistance, play fine guard action to installing in its inboard cable.
Referring to fig. 1-6, a process for manufacturing a glass fiber reinforced plastic cable duct includes the following steps:
s1, firstly, sleeving an inner sheath 1 on an external auxiliary sleeving shaft 11, coating a layer of adhesive on the outer end wall of the inner sheath 1, annularly laying a plurality of axial fibers 2 along the axial direction of the inner sheath 1, and annularly winding transverse fibers 3 along the axial direction of the inner sheath 1, wherein the transverse fibers 3 are of a spiral structure sleeved on the plurality of axial fibers 2;
s2, sleeving the adhesive coating layer 4 on the outer side wall of the inner sheath 1, bonding the adhesive coating layer 4 and the inner sheath 1 to each other, and after solidification, taking off the connection structure of the inner sheath 1 and the adhesive coating layer 4 from the auxiliary sleeving shaft 11;
s3, embedding and installing an upper-layer reinforcing body on the inner wall of the inner sheath 1, embedding a plurality of annular material covering plates 7 on the inner wall of the inner sheath 1, filling thermosetting resin filler 8 into a filling cavity formed between the inner wear-resistant layer 5 and the inner sheath 1, and performing leveling molding after cooling;
and S4, finally, sleeving the adhesive layer 9 on the outer side wall of the adhesive coating layer 4, and sleeving the outer sheath 10 on the outer side part of the adhesive layer 9, thus finishing the processing of the glass fiber reinforced plastic cable conduit.
According to the invention, the plurality of axial fibers 2 arranged along the axial direction are annularly distributed on the outer side wall of the inner sheath 1, the transverse fibers 3 sleeved outside the plurality of axial fibers 2 are wound along the axial direction of the inner sheath 1, the transverse fibers 3 are spirally wound outside the inner sheath 1, the plurality of axial fibers 2 are positioned, the axial strength of the inner sheath 1 is enhanced by matching the axial fibers 2 along the axial direction with the transverse fibers 3 wound annularly, and the inner end and the outer end of the inner sheath 1 are respectively sleeved with the inner layer reinforcement body and the outer sheath 10, so that the inner layer reinforcement body not only further improves the axial strength and the transverse strength of the inner sheath 1, but also improves the heat resistance, the corrosion resistance and the aging resistance of the cable conduit to a certain extent.
The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; those skilled in the art can appreciate that the present invention is not limited to the specific embodiments disclosed herein; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (4)
1. A glass fiber reinforced plastic cable guide, comprising an inner sheath (1), characterized in that: many axial fibers (2) are distributed on the outer side wall of the inner sheath (1) in an annular mode, the axial length of the axial fibers (2) is consistent with that of the inner sheath (1), the outer side wall of the inner sheath (1) is sleeved with transverse fibers (3) located on the outer sides of the axial fibers (2), the axial fibers (2) and the transverse fibers (3) are made of glass fibers, the transverse fibers (3) are spirally wound on the outer side of the inner sheath (1), the outer side wall of the inner sheath (1) is provided with bonding coating layers (4) coated on the axial fibers (2) and the outer sides of the transverse fibers (3), the bonding coating layers (4) are made of thermosetting materials, the inner end wall of the bonding coating layer (4) is bonded with the outer end wall of the inner sheath (1), foamed stone fibers are doped in the bonding coating layer (4), the outer side sleeve of the bonding coating layer (4) is provided with the outer sheath (10), the outer end wall of the inner sheath (1) is coated with an adhesive, aramid fiber yarns are uniformly sprayed on the outer end wall of the inner sheath (1), an inner layer reinforcing body is sleeved inside the inner sheath (1), the outer wall of the inner layer reinforcing body is embedded and connected with the inner wall of the inner sheath (1), the inner layer reinforcing body comprises an inner wear-resistant layer (5) sleeved inside the inner sheath (1), a plurality of glass fiber tubes (6) distributed in an annular mode are arranged between the inner wear-resistant layer (5) and the inner sheath (1), the plurality of glass fiber tubes (6) and the inner sheath (1) are arranged in the same mode in the axial length direction, a filling cavity is formed between the inner wear-resistant layer (5) and the inner sheath (1), thermosetting resin filler (8) is arranged in the filling cavity, a plurality of arc embedding cavities (101) for embedding the glass fiber tubes (6) are formed in the inner wall of the inner sheath (1), a plurality of annular coating plates (7) distributed on the outer side wall of the inner wear-resistant layer (5) in an equal mode are arranged in the filling cavity, annular cover flitch (7) are inlayed and are located the inner of a plurality of glass fiber pipe (6) that the annular distributes, offer on the outer end wall of annular cover flitch (7) and be used for glass fiber pipe (6) to inlay linking chamber (701) of establishing the installation, it has the fibre thorn to divide equally on the lateral wall of a plurality of annular cover flitches (7) and glass fiber pipe (6), annular cover flitch (7) adopt flexible refractory material to make, the cover is equipped with tie coat (9) on the lateral wall of bonding coating (4), it has the bond coat all to coat on the inner and outer end wall of tie coat (9).
2. A glass fiber reinforced plastic cable duct according to claim 1, wherein: the external diameters of the axial fibers (2) and the transverse fibers (3) are 2-4 mm.
3. A glass fiber reinforced plastic cable duct according to claim 1, wherein: the outer diameter of the aramid fiber yarn is 1-3mm, and the length of the aramid fiber yarn is 20-30 mm.
4. A process for manufacturing a glass fibre reinforced plastic cable duct according to any one of claims 1 to 3, characterised in that: the method comprises the following steps:
s1, firstly, sleeving an inner sheath (1) on an external auxiliary sleeving shaft (11), coating a layer of adhesive on the outer end wall of the inner sheath (1), annularly paving a plurality of axial fibers (2) along the axial direction of the inner sheath (1), and annularly winding transverse fibers (3) along the axial direction of the inner sheath (1), wherein the transverse fibers (3) are of a spiral structure sleeved on the plurality of axial fibers (2);
s2, sleeving the adhesive coating layer (4) on the outer side wall of the inner sheath (1), bonding the adhesive coating layer (4) and the inner sheath (1) to each other, and taking off the connecting structure of the inner sheath (1) and the adhesive coating layer (4) from the auxiliary sleeving shaft (11) after solidification;
s3, embedding and installing an upper-layer reinforcing body on the inner wall of the inner sheath (1), embedding a plurality of annular material covering plates (7) on the inner wall of the inner sheath (1), filling thermosetting resin filler (8) into a filling cavity formed between the inner wear-resistant layer (5) and the inner sheath (1), and performing leveling molding after cooling;
s4, finally, sleeving a bonding layer (9) on the outer side wall of the bonding coating layer (4), and sleeving an outer sheath (10) on the outer side part of the bonding layer (9) to finish the processing of the glass fiber reinforced plastic cable conduit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110058023.8A CN112803322B (en) | 2021-01-15 | 2021-01-15 | Glass fiber reinforced plastic cable conduit and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110058023.8A CN112803322B (en) | 2021-01-15 | 2021-01-15 | Glass fiber reinforced plastic cable conduit and processing technology thereof |
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| CN112803322B true CN112803322B (en) | 2022-06-24 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1462527A (en) * | 1973-03-08 | 1977-01-26 | Aeg Telefunken Kabelwerke | Cable with tension resistant plastics packet |
| CH698717B1 (en) * | 2007-05-21 | 2009-10-15 | Huber+Suhner Ag | A separator for multiple glass fiber cable has separated fibers located inside sleeves secured into end of separator by setting compound |
| CN208543878U (en) * | 2018-07-17 | 2019-02-26 | 杭州鑫璐实业有限公司 | A kind of fiber is compiled around pultrusion cable protecting sleeve |
| CN111180149A (en) * | 2020-01-15 | 2020-05-19 | 彭陈城 | Glass fiber reinforced plastic optical cable protective sleeve |
| CN111267369A (en) * | 2020-03-13 | 2020-06-12 | 长沙新世管道有限公司 | Glass fiber reinforced plastic cable conduit and production method thereof |
-
2021
- 2021-01-15 CN CN202110058023.8A patent/CN112803322B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1462527A (en) * | 1973-03-08 | 1977-01-26 | Aeg Telefunken Kabelwerke | Cable with tension resistant plastics packet |
| CH698717B1 (en) * | 2007-05-21 | 2009-10-15 | Huber+Suhner Ag | A separator for multiple glass fiber cable has separated fibers located inside sleeves secured into end of separator by setting compound |
| CN208543878U (en) * | 2018-07-17 | 2019-02-26 | 杭州鑫璐实业有限公司 | A kind of fiber is compiled around pultrusion cable protecting sleeve |
| CN111180149A (en) * | 2020-01-15 | 2020-05-19 | 彭陈城 | Glass fiber reinforced plastic optical cable protective sleeve |
| CN111267369A (en) * | 2020-03-13 | 2020-06-12 | 长沙新世管道有限公司 | Glass fiber reinforced plastic cable conduit and production method thereof |
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| Publication number | Publication date |
|---|---|
| CN112803322A (en) | 2021-05-14 |
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Denomination of invention: A glass fiber reinforced plastic cable conduit and its processing technology Effective date of registration: 20230513 Granted publication date: 20220624 Pledgee: Zhejiang Deqing Rural Commercial Bank Co.,Ltd. Xin'an sub branch Pledgor: Zhejiang Jintang Pipe Technology Co.,Ltd. Registration number: Y2023330000908 |
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