CN113629609A - PE electric power pipe that compressive property is strong - Google Patents
PE electric power pipe that compressive property is strong Download PDFInfo
- Publication number
- CN113629609A CN113629609A CN202110888563.9A CN202110888563A CN113629609A CN 113629609 A CN113629609 A CN 113629609A CN 202110888563 A CN202110888563 A CN 202110888563A CN 113629609 A CN113629609 A CN 113629609A
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- pipe
- resistance
- compression
- fixedly connected
- tube
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Classifications
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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
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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
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to the technical field of power pipes and discloses a PE power pipe with high pressure resistance. Six groups of drain holes are arranged on the outer portion of the inner supporting tube in a centrosymmetric mode, and two rows of drain holes are arranged in each group. The inner support pipe is separated from the inner PE pipe through the connecting block to form a separation cavity, the drain hole is communicated with the separation cavity and the inner space, liquid in the inner cavity of the support pipe can be conveniently drained through the drain hole, and liquid is prevented from being accumulated in the inner support pipe, so that corrosion of a cable due to the fact that the cable is soaked in the liquid is avoided, and the service life of the cable is prolonged. The inner PE pipe and the inner supporting pipe are separated cavities, so that when the inner PE pipe deforms under pressure, a buffer space is added to the inner supporting pipe, and the pressure resistance of the inner supporting pipe is improved.
Description
Technical Field
The invention relates to the technical field of power tubes, in particular to a PE power tube with strong pressure resistance.
Background
With the rapid development of power utilities, the use of cables and power pipelines matched with the power utilities is increased day by day, most of the existing power pipelines are integrally formed by plastics, in the using process of the pipelines, the electric wires and the cables are usually penetrated in the pipelines, the pipelines are deeply buried underground or built in walls, so that the requirement on the compression resistance of the power pipelines is higher,
the existing power pipe is single in structure due to integral forming, and the main compression resistance of the existing power pipe is often determined only by the material of the existing power pipe, so that the existing PE power pipe is weak in compression resistance, easy to deform or break under high pressure in the using process, short in service life and poor in using effect.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the PE power tube with strong compression resistance, which has the advantages of strong compression resistance effect, good use effect and effectively prolonged service life.
In order to achieve the purpose, the invention provides the following technical scheme: a PE power pipe with strong compression resistance comprises an inner supporting pipe, a drain hole, a partition block, a connecting block, an inner PE pipe, a compression-resistant ring, an outer PE pipe, an anti-corrosion layer, an outer compression-resistant sleeve, an outer jacket layer, a tensile rope, a tensile core, a compression-resistant rope, a compression-resistant core and a supporting frame.
The positions and the connection relations of the structures are as follows:
the pipe wall of the inner supporting pipe is provided with a drain hole, the inner part of the inner supporting pipe is provided with a partition block, the outer part of the inner supporting pipe is fixedly connected with a connecting block, and the outer part of the connecting block is fixedly connected with an inner PE pipe.
Preferably, the drain holes are provided with six groups, the six groups of drain holes are arranged outside the inner supporting tube in a central symmetry manner, and each group of drain holes is provided with two rows.
Preferably, the partition block partitions the interior of the inner support tube into at least six regions, and the inner wall of each region is provided with a different color.
Preferably, the connecting block is positioned between each group of the drainage holes, and the connecting block is fixedly connected between the inner PE pipe and the inner support pipe.
Preferably, the outer layer of the inner PE pipe is fixedly connected with an anti-pressure ring, the outer layer of the anti-pressure ring is fixedly connected with an outer PE pipe, and the outer layer of the outer PE pipe is fixedly connected with an anti-corrosion layer.
Preferably, the compression ring is made of hard aluminum alloy, and the inner PE pipe and the outer PE pipe are in hot-melt press fit on the inner layer and the outer layer of the compression ring.
Preferably, the anti-corrosion layer is made of a PP material.
Preferably, an outer pressure-resistant sleeve is arranged outside the anti-corrosion layer, a support frame is fixedly connected inside the outer pressure-resistant sleeve, and the anti-corrosion layer is movably connected inside the support frame.
Preferably, outer anti-pressure cover is woven by tensile rope and the mixed of resistance to compression rope and is formed, and the tensile rope comprises tensile core and the overcoat layer of outer parcel, and the resistance to compression rope comprises the overcoat layer of anti-pressure core and outer parcel, and the material of overcoat layer is manganese series bonderizing wear-resisting coating, and the material of tensile core is the piano steel wire, and the material of resistance to compression core is the carbon steel wire.
Preferably, the support frame is made of high-density polyethylene, and the support frame is designed to be a mixed woven framework supported between the outer pressure-resistant sleeve and the anti-corrosion layer.
Has the advantages that:
1. this PE power pipe that compressive property is strong separates through interior support tube through connecting block and interior PE pipe partition formation branch chamber, and the wash port intercommunication divides chamber and interior support tube inner chamber, makes liquid when entering interior stay tube, conveniently discharges through the wash port, avoids liquid to pile up including stay tube is inside to avoid the cable conductor to take place to corrode because of soaking in liquid, promote the life of cable.
2. The PE power pipe with strong compressive property takes the inner PE pipe and the inner supporting pipe as the separation cavity, so that when the inner PE pipe deforms under pressure, the inner supporting pipe is provided with a buffer space due to the existence of the separation cavity, and the compressive property of the inner supporting pipe is improved.
3. This PE power pipe that compressive property is strong separates into six at least die cavities through separating the piece with interior support tube, and every die cavity sets up to different colours, not only makes things convenient for cable conductor's use, and because the colour is different, further conveniently distinguishes the wire of different die cavities, effectively improves the device's result of use.
4. This PE electric power pipe that compressive property is strong through increasing the resistance to compression circle, sets up the resistance to compression circle between through interior PE pipe and the outer PE pipe, and the resistance to compression circle sets up to stereoplasm aluminum alloy, further increases the rigidity of electric power pipe, and the outer lane is provided with the anti-corrosion coating, effectively increases the corrosion resisting property of this electric power pipe, improves the result of use of device.
5. This PE electric power pipe that compressive property is strong, it forms through stretch-proofing rope and the mixed weave of resistance to compression rope through outer resistance to compression cover, the stretch-proofing rope comprises the overcoat layer of tensile core and outer parcel, the resistance to compression rope comprises the overcoat layer of resistance to compression core and outer parcel, the material of overcoat layer is manganese system bonderizing wear-resistant coating, the material of resistance to compression core is the musical instrument steel wire, the material of resistance to compression core is the carbon steel wire, thereby make outer resistance to compression cover not only have certain compressive capacity, possess certain stretch-proofing ability simultaneously, and have certain wear resistance, simultaneously when electric power receives pressure, then outer resistance to compression cover and support frame compressive deformation, reach the effect of unloading through outer resistance to compression cover and support frame compressive deformation, effectively increase the device's result of use.
Drawings
FIG. 1 is a schematic structural view of a portion of the tube within the inventive structure;
FIG. 2 is a schematic exterior view of a support tube within the structure of the present invention;
FIG. 3 is a schematic view of a reinforcing layer structure according to the present invention;
FIG. 4 is a schematic structural view of an outer compression sleeve of the present invention;
FIG. 5 is a schematic structural view of an outer compression sleeve of the present invention;
FIG. 6 is a schematic cross-sectional view of a tensile core of the present invention construction;
FIG. 7 is a schematic cross-sectional view of a structural compression core of the present invention;
fig. 8 is a schematic view of the overall connection of the structure of the present invention.
In the figure: 1. an inner support tube; 2. a drain hole; 3. a blocking block; 4. connecting blocks; 5. an inner PE tube; 6. a compression resistant ring; 7. an outer PE tube; 8. an anti-corrosion layer; 9. an outer compression sleeve; 90. an overcoat layer; 91. a tensile strand; 911. a tensile core; 92. a compression resistant rope; 921. a compression resistant core; 10. a support frame.
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.
Example one
Referring to fig. 1-2, a PE power tube with high pressure resistance includes an inner support tube 1, a water drain hole 2 is formed in the wall of the inner support tube 1, a partition block 3 is disposed inside the inner support tube 1, a connection block 4 is fixedly connected to the outside of the inner support tube 1, and an inner PE tube 5 is fixedly connected to the outside of the connection block 4.
Six groups of drain holes 2 are arranged, the centers of the six groups of drain holes 2 are symmetrically arranged outside the inner supporting tube 1, and two rows of drain holes 2 are arranged in each group.
The partition block 3 partitions the interior of the inner support tube 1 into at least six regions, and the inner wall of each region is set to be different in color.
Wherein, the connecting block 4 is positioned between each group of the water drain holes 2, and the connecting block 4 is fixedly connected between the inner PE pipe 5 and the inner support pipe 1.
The inner supporting tube 1 is separated from the inner PE tube 5 through the connecting block 4 to form a separation cavity, the water drain hole 2 is communicated with the separation cavity and the inner cavity of the inner supporting tube 1, so that liquid can be conveniently drained through the water drain hole 2 when entering the inner supporting tube 1, liquid is prevented from being accumulated inside the inner supporting tube 1, the cable is prevented from being corroded due to being soaked in the liquid, and the service life of the cable is prolonged.
Meanwhile, the inner PE pipe 5 and the inner support pipe 1 are separated cavities, so that when the inner PE pipe 5 deforms under pressure, a buffer space is added to the inner support pipe 1 due to the existence of the separated cavities, and the pressure resistance of the inner support pipe 1 is improved.
The partition block 3 divides the inner supporting tube 1 into at least six cavities, and each cavity is set to be different colors, so that the cable conductor is convenient to use, the conductors in different cavities can be distinguished conveniently due to different colors, and the using effect of the device is effectively improved.
Example two
Referring to fig. 1-3, a PE power tube with high pressure resistance includes an inner support tube 1, a water drain hole 2 is formed in the wall of the inner support tube 1, a partition block 3 is disposed inside the inner support tube 1, a connection block 4 is fixedly connected to the outside of the inner support tube 1, and an inner PE tube 5 is fixedly connected to the outside of the connection block 4.
Six groups of drain holes 2 are arranged, the centers of the six groups of drain holes 2 are symmetrically arranged outside the inner supporting tube 1, and two rows of drain holes 2 are arranged in each group.
The partition block 3 partitions the interior of the inner support tube 1 into at least six regions, and the inner wall of each region is set to be different in color.
Wherein, the connecting block 4 is positioned between each group of the water drain holes 2, and the connecting block 4 is fixedly connected between the inner PE pipe 5 and the inner support pipe 1.
Wherein, the outer fixedly connected with resistance to compression ring 6 of interior PE pipe 5, the outer fixedly connected with outer PE pipe 7 of resistance to compression ring 6, the outer fixedly connected with anticorrosion layer 8 of outer PE pipe 7.
Wherein, the material of resistance to compression ring 6 is stereoplasm aluminum alloy, and interior PE pipe 5 and outer PE pipe 7 hot melt pressfitting are in the ectonexine of resistance to compression ring 6.
Wherein, the anti-corrosion layer 8 is made of PP material.
Compared with the first embodiment, the compression-resistant ring 6 is further added, and the rigidity of the power pipe is further increased by arranging the compression-resistant ring 6 between the inner PE pipe 5 and the outer PE pipe 7 and arranging the compression-resistant ring 6 as the hard aluminum alloy.
And the outer ring is provided with the anti-corrosion layer 8, so that the anti-corrosion performance of the power tube is effectively improved, and the using effect of the device is improved.
EXAMPLE III
Referring to fig. 1-8, a PE electric power pipe with high pressure resistance includes an inner support pipe 1, a drain hole 2 is formed on a pipe wall of the inner support pipe 1, a partition block 3 is disposed inside the inner support pipe 1, a connection block 4 is fixedly connected to the outside of the inner support pipe 1, and an inner PE pipe 5 is fixedly connected to the outside of the connection block 4.
Six groups of drain holes 2 are arranged, the centers of the six groups of drain holes 2 are symmetrically arranged outside the inner supporting tube 1, and two rows of drain holes 2 are arranged in each group.
The partition block 3 partitions the interior of the inner support tube 1 into at least six regions, and the inner wall of each region is set to be different in color.
Wherein, the connecting block 4 is positioned between each group of the water drain holes 2, and the connecting block 4 is fixedly connected between the inner PE pipe 5 and the inner support pipe 1.
Wherein, the outer fixedly connected with resistance to compression ring 6 of interior PE pipe 5, the outer fixedly connected with outer PE pipe 7 of resistance to compression ring 6, the outer fixedly connected with anticorrosion layer 8 of outer PE pipe 7.
Wherein, the material of resistance to compression ring 6 is stereoplasm aluminum alloy, and interior PE pipe 5 and outer PE pipe 7 hot melt pressfitting are in the ectonexine of resistance to compression ring 6.
Wherein, the anti-corrosion layer 8 is made of PP material.
Wherein, the outer anti-pressure sleeve 9 is arranged outside the anti-corrosion layer 8, the support frame 10 is fixedly connected inside the outer anti-pressure sleeve 9, and the anti-corrosion layer 8 is movably connected inside the support frame 10.
Wherein, outer anti-pressure cover 9 is woven by tensile rope 91 and anti-pressure rope 92 mixture and is formed, and tensile rope 91 comprises tensile core 911 and the overcoat layer 90 of outer parcel, and anti-pressure rope 92 comprises the overcoat layer 90 of anti-pressure core 921 and outer parcel, and the material of overcoat layer 90 is manganese series bonderizing wear-resistant coating, and the material of tensile core 911 is the piano steel wire, and the material of anti-pressure core 921 is the carbon steel wire.
Wherein, the material of support frame 10 is high density polyethylene, and support frame 10 designs for mixing the weaving skeleton to support between outer compressive sleeve 9 and anti-corrosion coating 8.
The inner supporting tube 1 is separated from the inner PE tube 5 through the connecting block 4 to form a separation cavity, the water drain hole 2 is communicated with the separation cavity and the inner cavity of the inner supporting tube 1, so that liquid can be conveniently drained through the water drain hole 2 when entering the inner supporting tube 1, liquid is prevented from being accumulated inside the inner supporting tube 1, the cable is prevented from being corroded due to being soaked in the liquid, and the service life of the cable is prolonged.
Meanwhile, the inner PE pipe 5 and the inner support pipe 1 are separated cavities, so that when the inner PE pipe 5 deforms under pressure, a buffer space is added to the inner support pipe 1 due to the existence of the separated cavities, and the pressure resistance of the inner support pipe 1 is improved.
The partition block 3 divides the inner supporting tube 1 into at least six cavities, and each cavity is set to be different colors, so that the cable conductor is convenient to use, the conductors in different cavities can be distinguished conveniently due to different colors, and the using effect of the device is effectively improved.
Through increasing resistance to compression ring 6, through setting up resistance to compression ring 6 between interior PE pipe 5 and the outer PE pipe 7, resistance to compression ring 6 sets up to the stereoplasm aluminum alloy, further increases the rigidity of electric power pipe.
And the outer ring is provided with the anti-corrosion layer 8, so that the anti-corrosion performance of the power tube is effectively improved, and the using effect of the device is improved.
Outer resistance to compression cover 9 is woven through stretch-proofing rope 91 and the mixed of resistance to compression rope 92 and is formed, stretch-proofing rope 91 comprises outer jacket layer 90 of tensile core 911 and outer parcel, resistance to compression rope 92 comprises outer jacket layer 90 of resistance to compression core 921 and outer parcel, outer jacket layer 90's material is manganese series bonderizing wear-resistant coating, the material of resistance to compression core 911 is the musical instrument steel wire, the material of resistance to compression core 921 is the carbon steel wire, thereby make outer resistance to compression cover 9 not only have certain compressive capacity, possess certain tensile resistance simultaneously, and have certain abrasive resistance, simultaneously when electric power receives pressure, then outer resistance to compression cover 9 and support frame 10 compressive deformation, reach the effect of unloading through outer resistance to compression cover 9 and support frame 10 compressive deformation, effectively increase the device's result of use.
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 (10)
1. The utility model provides a PE power pipe that compressive property is strong, includes interior stay tube (1), its characterized in that: a drain hole (2) is formed in the pipe wall of the inner supporting pipe (1), a partition block (3) is arranged inside the inner supporting pipe (1), a connecting block (4) is fixedly connected to the outside of the inner supporting pipe (1), and an inner PE pipe (5) is fixedly connected to the outside of the connecting block (4).
2. The PE power pipe with strong pressure resistance as claimed in claim 1, wherein: six groups of drain holes (2) are arranged, the six groups of drain holes (2) are arranged outside the inner supporting tube (1) in a central symmetry manner, and two rows of drain holes (2) are arranged in each group.
3. The PE power pipe with strong pressure resistance as claimed in claim 1, wherein: the partition block (3) partitions the interior of the inner support tube (1) into at least six areas, and the inner wall of each area is set to be different in color.
4. The PE power pipe with strong pressure resistance as claimed in claim 1, wherein: the connecting blocks (4) are positioned between each group of drain holes (2), and the connecting blocks (4) are fixedly connected between the inner PE pipe (5) and the inner supporting pipe (1).
5. The PE power pipe with strong pressure resistance as claimed in claim 1, wherein: the outer layer of the inner PE pipe (5) is fixedly connected with an anti-pressure ring (6), the outer layer of the anti-pressure ring (6) is fixedly connected with an outer PE pipe (7), and the outer layer of the outer PE pipe (7) is fixedly connected with an anti-corrosion layer (8).
6. The PE power tube with strong pressure resistance as recited in claim 5, wherein: the material of resistance to compression ring (6) is the stereoplasm aluminum alloy, and interior PE pipe (5) and outer PE pipe (7) hot melt pressfitting are in the ectonexine of resistance to compression ring (6).
7. The PE power tube with strong pressure resistance as recited in claim 5, wherein: the anti-corrosion layer (8) is made of PP material.
8. The PE power tube with strong pressure resistance as recited in claim 5, wherein: an outer pressure-resistant sleeve (9) is arranged outside the anti-corrosion layer (8), a support frame (10) is fixedly connected inside the outer pressure-resistant sleeve (9), and the anti-corrosion layer (8) is movably connected inside the support frame (10).
9. The PE power tube with strong pressure resistance as recited in claim 8, wherein: outer anti-pressure cover (9) are woven by tensile rope (91) and resistance to compression rope (92) mixture and are formed, and tensile rope (91) comprises tensile core (911) and outer overcoat layer (90) of skin parcel, and resistance to compression rope (92) comprises resistance to compression core (921) and outer overcoat layer (90) of skin parcel, and the material of overcoat layer (90) is manganese system bonderizing wear-resistant coating, and the material of resistance to tension core (911) is the piano steel wire, and the material of resistance to compression core (921) is the carbon steel wire.
10. The PE power tube with strong pressure resistance as recited in claim 8, wherein: the support frame (10) is made of high-density polyethylene, and the support frame (10) is designed to be supported between the outer pressure-resistant sleeve (9) and the anti-corrosion layer (8) as a mixed woven skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110888563.9A CN113629609A (en) | 2021-08-04 | 2021-08-04 | PE electric power pipe that compressive property is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110888563.9A CN113629609A (en) | 2021-08-04 | 2021-08-04 | PE electric power pipe that compressive property is strong |
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| Publication Number | Publication Date |
|---|---|
| CN113629609A true CN113629609A (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110888563.9A Pending CN113629609A (en) | 2021-08-04 | 2021-08-04 | PE electric power pipe that compressive property is strong |
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| CN208316220U (en) * | 2018-06-01 | 2019-01-01 | 杨宇亮 | Fibrage PVC solid wall cable tube |
| CN208818888U (en) * | 2018-10-29 | 2019-05-03 | 河北鑫鹏通信设备有限公司 | A kind of high temperature resistant radiation protection rasterization pipeline |
| CN209329609U (en) * | 2019-02-20 | 2019-08-30 | 浙江万吉通信器材有限公司 | A kind of cell power cable laying PVC power pipe |
| CN211655629U (en) * | 2020-04-08 | 2020-10-09 | 焱腾电气科技有限公司 | High-strength cable protection pipe |
| CN212435317U (en) * | 2020-07-08 | 2021-01-29 | 萍乡市龙鼎水泥制品有限公司 | Electric power prefabricated pipe with protective structure |
| CN212676817U (en) * | 2020-07-31 | 2021-03-09 | 青岛新佳雨工贸有限公司 | Wear-resisting cable sheathing of resistance to compression |
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2021
- 2021-08-04 CN CN202110888563.9A patent/CN113629609A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202586193U (en) * | 2012-03-14 | 2012-12-05 | 陈燕 | Plastic alloy pipe |
| CN202905264U (en) * | 2012-09-21 | 2013-04-24 | 安徽世纪华茂电缆集团有限公司 | Anti-extrusion fiber composite power cable |
| CN105262016A (en) * | 2015-10-22 | 2016-01-20 | 安徽宁国市高新管业有限公司 | Heat dissipating type cable protection pipe resistant to compression and tension |
| CN105633870A (en) * | 2016-02-25 | 2016-06-01 | 成都迅德科技有限公司 | Novel high-voltage power cable protection pipe |
| CN207664545U (en) * | 2017-11-23 | 2018-07-27 | 杭州浩飞管业有限公司 | A kind of novel MPP power cable protecting pipes road |
| CN208316220U (en) * | 2018-06-01 | 2019-01-01 | 杨宇亮 | Fibrage PVC solid wall cable tube |
| CN208818888U (en) * | 2018-10-29 | 2019-05-03 | 河北鑫鹏通信设备有限公司 | A kind of high temperature resistant radiation protection rasterization pipeline |
| CN209329609U (en) * | 2019-02-20 | 2019-08-30 | 浙江万吉通信器材有限公司 | A kind of cell power cable laying PVC power pipe |
| CN211655629U (en) * | 2020-04-08 | 2020-10-09 | 焱腾电气科技有限公司 | High-strength cable protection pipe |
| CN212435317U (en) * | 2020-07-08 | 2021-01-29 | 萍乡市龙鼎水泥制品有限公司 | Electric power prefabricated pipe with protective structure |
| CN212676817U (en) * | 2020-07-31 | 2021-03-09 | 青岛新佳雨工贸有限公司 | Wear-resisting cable sheathing of resistance to compression |
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Application publication date: 20211109 |
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