CN113097962A - C-PVC power cable protection pipe - Google Patents
C-PVC power cable protection pipe Download PDFInfo
- Publication number
- CN113097962A CN113097962A CN202110502599.9A CN202110502599A CN113097962A CN 113097962 A CN113097962 A CN 113097962A CN 202110502599 A CN202110502599 A CN 202110502599A CN 113097962 A CN113097962 A CN 113097962A
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- China
- Prior art keywords
- pipe
- layer
- protection tube
- power cable
- wall
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- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000003063 flame retardant Substances 0.000 claims abstract description 23
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 15
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 206010063659 Aversion Diseases 0.000 abstract 1
- 239000004800 polyvinyl chloride Substances 0.000 description 13
- 229920000915 polyvinyl chloride Polymers 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004801 Chlorinated PVC Substances 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Images
Classifications
-
- 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
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
Landscapes
- Details Of Indoor Wiring (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a C-PVC power cable protection pipe which comprises an outer pipe, wherein an inner pipe is arranged inside the outer pipe, a supporting assembly is arranged between the surface of the inner pipe and the inner wall of the outer pipe, a limiting assembly is arranged on the surface of the outer pipe, and the inner pipe comprises an outer waterproof layer, an outer shielding layer, an aluminum silicate fiber felt, a flame retardant layer, an inner shielding layer, an inner waterproof layer and a wear-resistant layer. This C-PVC power cable protection tube can effectively improve the compressive capacity of this protection tube through supporting component to make protection tube non-deformable fracture, and when needs will be many with the fixed beam forming of protection tube, make between the adjacent protection tube connect through spacing and spacing groove, will tie the area again and fix the protection tube along the ring channel, make and tie the difficult slip aversion of taking, thereby improved fixed effect, make between the protection tube difficult loose, stability is better, and this protection tube has good waterproof, shielding and high temperature resistance.
Description
Technical Field
The invention relates to the technical field of cable protection pipes, in particular to a C-PVC power cable protection pipe.
Background
The cable protection pipe is also called as a cable pipe, a power cable pipe, a cement cable pipe, a power calandria, a power cable protection pipe and the like. The cable protection pipe is mainly installed in a section where a communication cable and a power line are crossed, so that the power line is prevented from being broken to cause a short-circuit accident, the communication cable and a steel wire rope are electrified to protect the cable, a switch and a machine core plate, the whole machine is not burnt out, and the cable protection pipe also plays a certain isolation role in the interference of the magnetic field of the power line.
In order to meet the demand, cable protection pipes made of C-PVC resin materials appear in the market, but the existing protection pipes are poor in pressure resistance, and when the protection pipes are in a high-pressure environment such as underground for a long time, deformation or fracture is easy to occur, so that damage is caused to internal cables.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a C-PVC power cable protection pipe, which solves the problems that the internal cable is damaged due to poor compression resistance and easy deformation or fracture, and when a plurality of protection pipes need to be fixed into a bundle, the protection pipes are difficult to fix due to the fact that the surfaces of the protection pipes are smooth and have no binding points.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the C-PVC power cable protection pipe comprises an outer pipe, wherein an inner pipe is arranged inside the outer pipe, a supporting assembly is arranged between the surface of the inner pipe and the inner wall of the outer pipe, and a limiting assembly is arranged on the surface of the outer pipe.
The supporting component comprises a first supporting rib plate, a second supporting rib plate and an annular rib plate which are fixed between the inner wall of the outer pipe and the surface of the inner pipe, the number of the first supporting rib plate and the number of the second supporting rib plate are three, the first supporting rib plate and the second supporting rib plate are arranged in parallel at intervals and are evenly distributed on the surface of the inner pipe, and the annular rib plate and the first supporting rib plate and the annular rib plate and the second supporting rib plate are perpendicular to each other.
Spacing subassembly is including fixing the spacing of outer tube surface and seting up the spacing groove on outer tube surface, spacing and spacing groove looks adaptation, and spacing all are provided with threely, three parallel interval arrangement between spacing and the spacing groove, and evenly distributed is on the outer tube surface, spacing subassembly is still including seting up the ring channel on outer tube surface.
Preferably, the annular groove and the annular rib plate are concentrically arranged, and the annular groove is used for fixing the protection pipe.
Preferably, the outer pipe, the first support rib, the second support rib, and the annular rib are made of C-PVC resin.
Preferably, the inner pipe comprises an outer waterproof layer, an outer shielding layer, an aluminum silicate fiber felt, a flame-retardant layer, an inner shielding layer, an inner waterproof layer and a wear-resistant layer.
Preferably, the inner wall of the outer waterproof layer is fixedly connected with the inner wall of the outer shielding layer, the inner wall of the outer shielding layer is fixedly connected with the surface of the aluminum silicate fiber felt, and the inner wall of the aluminum silicate fiber felt is fixedly connected with the surface of the flame-retardant layer.
Preferably, the inner wall of the flame-retardant layer is fixedly connected with the surface of the inner shielding layer, the inner wall of the inner shielding layer is fixedly connected with the surface of the inner waterproof layer, and the inner wall of the inner waterproof layer is fixedly connected with the surface of the wear-resistant layer.
Preferably, the inner shielding layer is a metallized paper tape or semiconductor paper, and the outer shielding layer is a braided copper wire tape.
Preferably, the inner waterproof layer and the outer waterproof layer are both PET films, the wear-resistant layer is wear-resistant rubber, and the flame-retardant layer is flame-retardant paper.
(III) advantageous effects
The invention provides a C-PVC power cable protection pipe. Compared with the prior art, the method has the following beneficial effects:
(1) the C-PVC power cable protection pipe is characterized in that an inner pipe is arranged inside an outer pipe, a support component is arranged between the surface of the inner pipe and the inner wall of the outer pipe, a limit component is arranged on the surface of the outer pipe, the support component comprises a first support rib plate, a second support rib plate and an annular rib plate which are fixed between the inner wall of the outer pipe and the surface of the inner pipe, the first support rib plate and the second support rib plate are respectively provided with three, the three first support rib plates and the three second support rib plates are arranged in parallel at intervals and are uniformly distributed on the surface of the inner pipe, the limit component comprises a limit strip fixed on the surface of the outer pipe and a limit groove arranged on the surface of the outer pipe, the limit strip is matched with the limit groove, the three limit strips and the three limit strips are arranged in parallel at intervals, the three limit strips and the three limit grooves are uniformly distributed on the surface, the supporting component can effectively improve the compressive capacity of the protection tube, so that the protection tube is not easy to deform and break, a better protection effect is achieved, when the protection tube is required to be fixed into a bundle, the adjacent protection tubes are connected through the limiting strips and the limiting grooves, the binding belt is fixed with the protection tube along the annular groove, the binding belt is difficult to slide and shift, the fixing effect is improved, the protection tubes are not easy to loosen, and the stability is better.
(2) This C-PVC power cable protection pipe includes outer waterproof layer, outer shielding layer, aluminium silicate fiber felt, fire-retardant layer, inner shielding layer, interior waterproof layer and wearing layer through the inner tube, sets up double waterproof layer, can effectively improve the water-proof effects of protection pipe, and double shielding layer can improve the shielding effect of protection pipe to and aluminium silicate fiber layer and fire-retardant layer mutually support can improve the fire prevention and the high temperature resistance ability of protection pipe, are favorable to prolonging the life of protection pipe.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a perspective view of an outer tube according to the present invention;
FIG. 4 is a perspective view of the inner tube and support assembly of the present invention;
FIG. 5 is a cross-sectional view of the present invention;
FIG. 6 is a partial cross-sectional view of the inner tube of the present invention.
In the figure, an outer pipe 1, an inner pipe 2, an outer waterproof layer 21, an outer shielding layer 22, an aluminum silicate fiber felt 23, a flame retardant layer 24, an inner shielding layer 25, an inner waterproof layer 26, a support component 3, a first support rib plate 31, a second support rib plate 32, an annular rib plate 33, a limit component 4, a limit strip 41, a limit groove 42 and an annular groove 43 are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: a C-PVC power cable protection pipe comprises an outer pipe 1, an inner pipe 2 is arranged inside the outer pipe 1, a supporting component 3 is arranged between the surface of the inner pipe 2 and the inner wall of the outer pipe 1, and a limiting component 4 is arranged on the surface of the outer pipe 1.
In the embodiment of the present invention, the support assembly 3 includes three first support ribs 31, three second support ribs 32 and three annular ribs 33 fixed between the inner wall of the outer tube 1 and the surface of the inner tube 2, the three first support ribs 31 and the three second support ribs 32 are arranged in parallel at intervals and are uniformly distributed on the surface of the inner tube 2, and the annular ribs 33 and the first support ribs 31 and the annular ribs 33 and the second support ribs 32 are all arranged perpendicular to each other.
In the embodiment of the invention, the limiting component 4 comprises a limiting strip 41 fixed on the surface of the outer tube 1 and a limiting groove 42 arranged on the surface of the outer tube 1, the limiting strip 41 is matched with the limiting groove 42, the limiting strip 41 and the limiting strip 41 are respectively provided with three, the three limiting strips 41 and the three limiting grooves 42 are arranged in parallel at intervals and are uniformly distributed on the surface of the outer tube 1, and the limiting component 4 further comprises an annular groove 43 arranged on the surface of the outer tube 1.
In the embodiment of the invention, the annular grooves 43 and the annular rib plates 33 are concentrically arranged, the distance between the adjacent annular grooves 43 is 3-5 times of the distance between the adjacent annular rib plates 33, and the annular grooves 43 are used for fixing the protection tube and can also be used for conveniently bundling the protection plates into a bundle.
In the embodiment of the invention, the outer pipe 1, the first supporting rib plate 31, the second supporting rib plate 32 and the annular rib plate 33 are all made of C-PVC resin, the CPVC resin is prepared by chlorination modification of polyvinyl chloride (PVC) resin, and is novel engineering plastic, after chlorination of the PVC resin, irregularity of molecular bonds is increased, polarity is increased, solubility of the resin is increased, and chemical stability is increased, so that heat resistance, acid resistance, alkali resistance, salt resistance, oxidant resistance and the like of the material are improved. The mechanical properties of the heat distortion temperature of the numerical value are improved.
In the embodiment of the invention, the inner pipe 2 comprises an outer waterproof layer 21, an outer shielding layer 22, an aluminum silicate fiber felt 23, a flame retardant layer 24, an inner shielding layer 25, an inner waterproof layer 26 and a wear-resistant layer 27, wherein the aluminum silicate fiber felt is prepared by taking flint clay as a main raw material through the working procedures of melting, wire drawing, curing in a curing chamber, cutting and the like, has light weight and stronger high-temperature resistance.
In the embodiment of the invention, the inner wall of the outer waterproof layer 21 is fixedly connected with the inner wall of the outer shielding layer 22, the inner wall of the outer shielding layer 22 is fixedly connected with the surface of the aluminum silicate fiber felt 23, the inner wall of the aluminum silicate fiber felt 23 is fixedly connected with the surface of the flame retardant layer 24, the inner wall of the flame retardant layer 24 is fixedly connected with the surface of the inner shielding layer 25, the inner wall of the inner shielding layer 25 is fixedly connected with the surface of the inner waterproof layer 26, and the inner wall of the inner waterproof layer 26 is fixedly connected with the surface of the wear-resistant layer 27.
In the embodiment of the invention, the inner shielding layer 25 is a metallized paper tape or semiconductor paper, the outer shielding layer 22 is a braided copper wire tape, and the inner shielding layer 25 and the outer shielding layer 26 are matched with each other, so that the shielding effect of the protection tube can be effectively improved.
In the embodiment of the invention, the inner waterproof layer 26 and the outer waterproof layer 21 are both PET films, the wear-resistant layer 27 is wear-resistant rubber, the wear-resistant rubber is solid blocky natural rubber obtained by collecting natural latex from a rubber tree and then carrying out filtration, purification, solidification, dehydration, washing, granulation, drying, classification and packaging, the flame-retardant layer 24 is flame-retardant paper, the flame-retardant paper is also called fireproof paper, is a general name of paper with non-combustion or difficult-combustion performance, and is generally divided into two categories: one refers to paper made from asbestos fibers and not changing in fire, and the other refers to paper made from paper pulp added with fire-retardant chemicals or treated with fire retardant to obtain fire-retardant properties.
During the use, pass the cable from inner tube 2 and can play the guard action to it, when needs bind into a bundle with many protection tubes, make the spacing strip 41 on a protection tube surface press into the spacing groove 42 on another protection tube surface, so will many protection tube interconnect, make the spacing groove 42 on every protection tube be in same horizontal plane, then use the strapping to fix the protection tube of bundling together round ring channel 43.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A C-PVC power cable protection tube, includes outer tube (1), its characterized in that: an inner pipe (2) is arranged inside the outer pipe (1), a supporting component (3) is arranged between the surface of the inner pipe (2) and the inner wall of the outer pipe (1), and a limiting component (4) is arranged on the surface of the outer pipe (1);
the supporting assembly (3) comprises three first supporting rib plates (31), three second supporting rib plates (32) and three annular rib plates (33), wherein the first supporting rib plates (31) and the three second supporting rib plates (32) are fixed between the inner wall of the outer pipe (1) and the surface of the inner pipe (2), the three first supporting rib plates (31) and the three second supporting rib plates (32) are arranged in parallel at intervals and are uniformly distributed on the surface of the inner pipe (2), and the annular rib plates (33) and the first supporting rib plates (31) and the annular rib plates (33) and the second supporting rib plates (32) are vertically arranged;
spacing subassembly (4) including fixing spacing (41) on outer tube (1) surface and offering at the spacing groove (42) on outer tube (1) surface, spacing (41) and spacing groove (42) looks adaptation, and spacing (41) all are provided with threely, three parallel interval arrangement between spacing (41) and spacing groove (42), and evenly distributed is on outer tube (1) surface, spacing subassembly (4) still are including offering at the ring channel (43) on outer tube (1) surface.
2. A C-PVC power cable protection tube according to claim 1, characterized in that: the annular groove (43) and the annular rib plate (33) are concentrically arranged, and the annular groove (43) is used for fixing the protection pipe.
3. A C-PVC power cable protection tube according to claim 1, characterized in that: the outer pipe (1), the first support rib (31), the second support rib (32) and the annular rib (33) are all made of C-PVC resin.
4. A C-PVC power cable protection tube according to claim 1, characterized in that: the inner pipe (2) comprises an outer waterproof layer (21), an outer shielding layer (22), an aluminum silicate fiber felt (23), a flame retardant layer (24), an inner shielding layer (25), an inner waterproof layer (26) and a wear-resistant layer (27).
5. The C-PVC power cable protection tube according to claim 4, wherein: the inner wall of the outer waterproof layer (21) is fixedly connected with the inner wall of the outer shielding layer (22), the inner wall of the outer shielding layer (22) is fixedly connected with the surface of the aluminum silicate fiber felt (23), and the inner wall of the aluminum silicate fiber felt (23) is fixedly connected with the surface of the flame retardant layer (24).
6. The C-PVC power cable protection tube according to claim 4, wherein: the inner wall of the flame-retardant layer (24) is fixedly connected with the surface of the inner shielding layer (25), the inner wall of the inner shielding layer (25) is fixedly connected with the surface of the inner waterproof layer (26), and the inner wall of the inner waterproof layer (26) is fixedly connected with the surface of the wear-resistant layer (27).
7. The C-PVC power cable protection tube according to claim 4, wherein: the inner shielding layer (25) is a metallized paper tape or semiconductor paper, and the outer shielding layer (22) is a woven copper wire tape.
8. The C-PVC power cable protection tube according to claim 4, wherein: the inner waterproof layer (26) and the outer waterproof layer (21) are both PET films, the wear-resistant layer (27) is wear-resistant rubber, and the flame-retardant layer (24) is flame-retardant paper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110502599.9A CN113097962A (en) | 2021-05-09 | 2021-05-09 | C-PVC power cable protection pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110502599.9A CN113097962A (en) | 2021-05-09 | 2021-05-09 | C-PVC power cable protection pipe |
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CN113097962A true CN113097962A (en) | 2021-07-09 |
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CN202110502599.9A Pending CN113097962A (en) | 2021-05-09 | 2021-05-09 | C-PVC power cable protection pipe |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114268063A (en) * | 2021-12-01 | 2022-04-01 | 江苏日龙塑料制品有限公司 | High-heat-conduction scratch-resistant communication and power cable pipe |
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AU2006288882A1 (en) * | 2005-09-05 | 2007-03-15 | Guarduct (Proprietary) Limited | Duct assemblies for housing service cables, pipes and the like and components thereof |
CN206041389U (en) * | 2016-08-20 | 2017-03-22 | 武冈市永锐电子科技有限公司 | Protection tube for pencil |
CN207609880U (en) * | 2017-12-19 | 2018-07-13 | 东莞市华一特种塑胶有限公司 | Heat-resistant fireproof double-wall pipe |
CN210679904U (en) * | 2019-09-30 | 2020-06-05 | 湖北中帅欣邦管业科技有限公司 | CPVC electric power pipe that high pliability is able to bear or endure to buckle |
CN211018118U (en) * | 2019-12-12 | 2020-07-14 | 江苏中电科电力建设有限公司 | Composite electric power pipe |
CN211604814U (en) * | 2020-03-16 | 2020-09-29 | 苏州市飞博冷热缩制品有限公司 | Flame-retardant high-molecular heat-shrinkable high-voltage insulating sleeve |
CN112172213A (en) * | 2020-10-17 | 2021-01-05 | 浙江吕氏管业有限公司 | Environment-friendly high-toughness CPVC cable protection pipe and processing method thereof |
CN212542023U (en) * | 2020-08-06 | 2021-02-12 | 安徽天星电缆科技有限公司 | Industrial intelligent transmission field total data cable |
CN213027394U (en) * | 2020-09-09 | 2021-04-20 | 大连宝通管业有限公司 | Installation device of cable protection pipe |
-
2021
- 2021-05-09 CN CN202110502599.9A patent/CN113097962A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4892442A (en) * | 1987-03-03 | 1990-01-09 | Dura-Line | Prelubricated innerduct |
DE4222871A1 (en) * | 1992-07-11 | 1994-01-13 | Vogelsang Ernst Gmbh Co Kg | Electric or fibre=optic cable conduit bundle |
AU2006288882A1 (en) * | 2005-09-05 | 2007-03-15 | Guarduct (Proprietary) Limited | Duct assemblies for housing service cables, pipes and the like and components thereof |
CN206041389U (en) * | 2016-08-20 | 2017-03-22 | 武冈市永锐电子科技有限公司 | Protection tube for pencil |
CN207609880U (en) * | 2017-12-19 | 2018-07-13 | 东莞市华一特种塑胶有限公司 | Heat-resistant fireproof double-wall pipe |
CN210679904U (en) * | 2019-09-30 | 2020-06-05 | 湖北中帅欣邦管业科技有限公司 | CPVC electric power pipe that high pliability is able to bear or endure to buckle |
CN211018118U (en) * | 2019-12-12 | 2020-07-14 | 江苏中电科电力建设有限公司 | Composite electric power pipe |
CN211604814U (en) * | 2020-03-16 | 2020-09-29 | 苏州市飞博冷热缩制品有限公司 | Flame-retardant high-molecular heat-shrinkable high-voltage insulating sleeve |
CN212542023U (en) * | 2020-08-06 | 2021-02-12 | 安徽天星电缆科技有限公司 | Industrial intelligent transmission field total data cable |
CN213027394U (en) * | 2020-09-09 | 2021-04-20 | 大连宝通管业有限公司 | Installation device of cable protection pipe |
CN112172213A (en) * | 2020-10-17 | 2021-01-05 | 浙江吕氏管业有限公司 | Environment-friendly high-toughness CPVC cable protection pipe and processing method thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114268063A (en) * | 2021-12-01 | 2022-04-01 | 江苏日龙塑料制品有限公司 | High-heat-conduction scratch-resistant communication and power cable pipe |
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