CN219028740U - Cable protection tube with good heat insulation and high temperature resistance effects - Google Patents

Cable protection tube with good heat insulation and high temperature resistance effects Download PDF

Info

Publication number
CN219028740U
CN219028740U CN202222405328.4U CN202222405328U CN219028740U CN 219028740 U CN219028740 U CN 219028740U CN 202222405328 U CN202222405328 U CN 202222405328U CN 219028740 U CN219028740 U CN 219028740U
Authority
CN
China
Prior art keywords
layer
heat insulation
protection tube
corrosion
fireproof
Prior art date
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.)
Active
Application number
CN202222405328.4U
Other languages
Chinese (zh)
Inventor
徐炜
张永华
孙乃才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Xinjie Pipe Industry Co ltd
Original Assignee
Hangzhou Xinjie Pipe Industry Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Xinjie Pipe Industry Co ltd filed Critical Hangzhou Xinjie Pipe Industry Co ltd
Priority to CN202222405328.4U priority Critical patent/CN219028740U/en
Application granted granted Critical
Publication of CN219028740U publication Critical patent/CN219028740U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The utility model discloses a cable protection tube with good heat insulation and high temperature resistance effect, which comprises a cable core body, wherein a protection tube body is arranged on the surface of the cable core body, a waterproof layer is fixedly connected to the surface of the protection tube body, the protection tube body comprises a conductive layer, an insulating layer is connected to the surface of the conductive layer in an adhesive manner, a fireproof layer is connected to the surface of the insulating layer in an adhesive manner, a heat insulation mechanism is connected to the surface of the fireproof layer in an adhesive manner, a corrosion resistance mechanism is connected to the surface of the heat insulation mechanism in an adhesive manner, and the surface of the corrosion resistance mechanism is connected to the inner cavity of the waterproof layer in an adhesive manner. According to the utility model, the heat insulation mechanism and the fireproof layer are arranged, so that the protection tube has the heat insulation and high-temperature fireproof effects, and meanwhile, the first corrosion resistant layer and the second corrosion resistant layer in the corrosion resistant mechanism are matched for use, so that the protection tube has corrosion resistance, and the problems that the existing cable protection tube with good heat insulation and high-temperature resistance effects does not have corrosion resistance to the protection tube and the protection tube has heat insulation and high-temperature fireproof effects are solved.

Description

Cable protection tube with good heat insulation and high temperature resistance effects
Technical Field
The utility model belongs to the technical field of cable protection pipes, and particularly relates to a cable protection pipe with good heat insulation and high temperature resistance effects.
Background
The cable protection tube is a metal protection tube with certain mechanical strength, which is laid on the outer layer of the cable in order to prevent the cable from being damaged, and is mainly installed on the crossing section of the communication cable and the power line, so as to prevent the power line from being broken to cause short-circuit accidents, and cause the electrification of the communication cable and the steel wire rope, thereby protecting the cable, the exchanger and the machine core plate from being burnt out, and playing a certain isolating role on the magnetic field interference of the power line.
For example: the utility model discloses a multifunctional environment-friendly fireproof power cable, which comprises a power cable body, wherein a fireproof flame-retardant mechanism and a heat-insulating high-temperature-resistant mechanism are overlapped in the power cable body, a sheath is wrapped and sleeved outside the power cable, and perlite fireproof paint is sprayed outside the sheath.
Based on the search of the above patent and the discovery of the equipment in the combined prior art, when the equipment is applied, although the problem that the traditional cable does not have the high temperature blocking effect on the combustion is solved, in the use process, the cable is usually placed in the inner cavity of the protection tube, but the corrosion resistance of the protection tube is insufficient, so that the cable in the protection tube is easy to be decomposed in long-term use, and meanwhile, in the use process, the cable still contains potential safety hazards due to the fact that the cable only has the effect of heat insulation and high temperature and cannot be fireproof.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides the cable protection tube with good heat insulation and high temperature resistance effect, which has the advantages of corrosion prevention and heat insulation and high temperature fire prevention of the protection tube, and solves the problems that the existing cable protection tube with good heat insulation and high temperature resistance effect does not have corrosion prevention and heat insulation and high temperature fire prevention of the protection tube.
The utility model discloses a cable protection tube with good heat insulation and high temperature resistance effect, which comprises a cable core body, wherein a protection tube body is arranged on the surface of the cable core body, a waterproof layer is fixedly connected to the surface of the protection tube body, the protection tube body comprises a conductive layer, an insulating layer is connected to the surface of the conductive layer in an adhesive manner, a fireproof layer is connected to the surface of the insulating layer in an adhesive manner, a heat insulation mechanism is connected to the surface of the fireproof layer in an adhesive manner, a corrosion resistance mechanism is connected to the surface of the heat insulation mechanism in an adhesive manner, and the surface of the corrosion resistance mechanism is connected to the inner cavity of the waterproof layer in an adhesive manner.
As a preferable mode of the utility model, the corrosion resistant mechanism comprises a first corrosion resistant layer, wherein the inner cavity of the first corrosion resistant layer is in adhesive connection with the heat insulation mechanism, the top of the first corrosion resistant layer is in adhesive connection with a carbon fiber layer, the top of the carbon fiber layer is in adhesive connection with a high-chromium cast iron layer, the top of the high-chromium cast iron layer is in adhesive connection with a second corrosion resistant layer, and the top of the second corrosion resistant layer is in adhesive connection with the inner cavity of the waterproof layer.
In the present utility model, the first corrosion-resistant layer is preferably made of a nickel-based corrosion-resistant alloy, and the second corrosion-resistant layer is preferably made of polytetrafluoroethylene.
In the present utility model, the waterproof layer is preferably made of galvanized steel sheet, and the conductive layer is preferably made of metal fiber.
As the preferable mode of the utility model, the heat insulation mechanism comprises a first heat insulation layer, wherein the inner cavity of the first heat insulation layer is connected with the fireproof layer in an adhesive mode, the surface of the first heat insulation layer is connected with the temperature resistant layer in an adhesive mode, the surface of the temperature resistant layer is connected with a second heat insulation layer in an adhesive mode, and the surface of the second heat insulation layer is connected with the corrosion resistant mechanism in an adhesive mode.
In the present utility model, the first heat insulating layer is preferably made of a polyethylene film, the temperature resistant layer is preferably made of glass fiber, and the second heat insulating layer is preferably made of an aerogel blanket.
As the preferable material of the fireproof layer, the fireproof adhesive plaster is used in combination with the fireproof bag.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the heat insulation mechanism and the fireproof layer are arranged, so that the protection tube has the heat insulation and high-temperature fireproof effects, and meanwhile, the first corrosion resistant layer and the second corrosion resistant layer in the corrosion resistant mechanism are matched for use, so that the protection tube has corrosion resistance, and the problems that the existing cable protection tube with good heat insulation and high-temperature resistance effects does not have corrosion resistance to the protection tube and the protection tube has heat insulation and high-temperature fireproof effects are solved.
2. According to the utility model, through the matched use of the waterproof layer, the first corrosion resistant layer, the carbon fiber layer, the high-chromium cast iron layer and the second corrosion resistant layer, the galvanized steel plate in the waterproof layer enables the protective tube body not to permeate into the inner cavity of the protective tube body when the protective tube body is contacted with rainwater so as to corrode a cable core body, meanwhile, through the matched use of the first corrosion resistant layer and the second corrosion resistant layer, the second corrosion resistant layer increases the corrosion resistance of the first corrosion resistant layer, and the corrosion resistance of the galvanized steel plate is further enhanced between the opposite sides of the first corrosion resistant layer and the second corrosion resistant layer through the carbon fiber layer and the high-chromium cast iron layer, so that the protective tube body is corrosion-resistant, and through the arrangement of the galvanized steel plate, the first corrosion resistant layer and the first corrosion resistant layer are respectively made of nickel-based corrosion resistant alloy and polytetrafluoroethylene, the nickel-based corrosion resistant alloy has high strength and good oxidation resistance, and the polytetrafluoroethylene has excellent chemical stability, corrosion resistance, sealing property, high lubrication resistance, electrical insulation resistance and good ageing resistance, and the galvanized steel plate corrosion resistance, and the galvanized steel plate is corrosion-resistant to the inner cavity is not corroded by rainwater into the protective tube body when the protective tube body is contacted with the inner cavity.
3. According to the utility model, the first heat insulation layer, the heat-resistant layer and the second heat insulation layer are matched, the first heat insulation layer and the second heat insulation layer are matched, the heat insulation property of the first heat insulation layer is increased, the temperature born by the protective pipe body is improved through the heat-resistant layer, and the fireproof cement in the fireproof layer and the fireproof package are matched, so that the protective pipe body is fireproof, the purpose of enabling the protective pipe to have heat insulation and high-temperature fireproof is achieved, the first heat insulation layer is made of a polyethylene film, the heat-resistant layer is made of glass fibers, the heat-resistant layer is made of an inorganic nonmetallic material with excellent performance, the heat-resistant layer is various in variety, the heat-resistant property is good, the heat-resistant property is strong, the corrosion resistance is good, the mechanical strength is high, meanwhile, the second heat insulation layer is made of an aerogel felt, the aerogel felt is made of a main material of nano silicon dioxide or metal aerogel, and the flexible felt formed by compounding carbon fibers or ceramic fiber glass fiber through a special process is low in coefficient, and has a certain tensile strength, and belongs to a novel pipeline heat-resistant material, and the heat-resistant layer is made of a fireproof and fireproof-resistant-reinforced heat-insulating material.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a component mechanism provided in an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a component mechanism provided in an embodiment of the present utility model;
fig. 4 is a schematic diagram of a composition mechanism according to an embodiment of the present utility model.
In the figure: 1. a cable core; 2. a protective tube body; 3. a waterproof layer; 4. a conductive layer; 5. an insulating layer; 6. a fire-blocking layer; 7. a heat insulation mechanism; 701. a first insulating layer; 702. a temperature resistant layer; 703. a second insulating layer; 8. a corrosion resistant mechanism; 801. a first corrosion resistant layer; 802. a carbon fiber layer; 803. a high chromium cast iron layer; 804. and a second corrosion resistant layer.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the cable protection tube with good heat insulation and high temperature resistance provided by the embodiment of the utility model comprises a cable core body 1, wherein a protection tube body 2 is arranged on the surface of the cable core body 1, a waterproof layer 3 is fixedly connected to the surface of the protection tube body 2, the protection tube body 2 comprises a conductive layer 4, an insulating layer 5 is connected to the surface of the conductive layer 4 in an adhesive manner, a fireproof layer 6 is connected to the surface of the insulating layer 5 in an adhesive manner, a heat insulation mechanism 7 is connected to the surface of the fireproof layer 6 in an adhesive manner, a corrosion resistance mechanism 8 is connected to the surface of the heat insulation mechanism 7 in an adhesive manner, and the surface of the corrosion resistance mechanism 8 is connected to the inner cavity of the waterproof layer 3 in an adhesive manner.
Referring to fig. 1, 2 and 3, the corrosion resistant mechanism 8 comprises a first corrosion resistant layer 801, an inner cavity of the first corrosion resistant layer 801 is in adhesive connection with the heat insulation mechanism 7, a carbon fiber layer 802 is in adhesive connection with the top of the first corrosion resistant layer 801, a high-chromium cast iron layer 803 is in adhesive connection with the top of the carbon fiber layer 802, a second corrosion resistant layer 804 is in adhesive connection with the top of the high-chromium cast iron layer 803, the top of the second corrosion resistant layer 804 is in adhesive connection with the inner cavity of the waterproof layer 3, the first corrosion resistant layer 801 is made of nickel-based corrosion resistant alloy, the second corrosion resistant layer 804 is made of polytetrafluoroethylene, the waterproof layer 3 is made of galvanized steel sheet, and the conductive layer 4 is made of metal fiber.
The scheme is adopted: through the cooperation of setting up waterproof layer 3, first corrosion resistant layer 801, carbon fiber layer 802, high chromium cast iron layer 803 and second corrosion resistant layer 804, wherein galvanized steel sheet in waterproof layer 3 makes protection tube body 2 can not be in the inner chamber of protection tube body 2 so that cause the corruption to cable core 1 when contacting the rainwater, simultaneously through the cooperation of first corrosion resistant layer 801 and second corrosion resistant layer 804 use, wherein second corrosion resistant layer 804 increases the corrosion resistance of first corrosion resistant layer 801, and through carbon fiber layer 802 and high chromium cast iron layer 803 between first corrosion resistant layer 801 and second corrosion resistant layer 804 opposite side, make its corrosion resistance further strengthen, thereby accomplish the purpose that makes the protection tube have the anticorrosive, through setting up wherein the material of first corrosion resistant layer 801 and first corrosion resistant layer 801 is nickel base corrosion resistant alloy and polytetrafluoroethylene respectively, wherein nickel base corrosion resistant alloy has higher intensity and good oxidation resistance, and polytetrafluoroethylene has good chemical stability, corrosion resistance, the leakproofness, high lubrication non-sticking, electrical insulation and good electrical insulation, and the material can be in the inner chamber 2 so that the rainwater can not make the steel sheet be in the protection tube body 2 when contacting the rainwater through setting up the steel sheet, can make the steel sheet to make the protection tube have anticorrosive performance to the inner chamber.
Referring to fig. 2 and 4, the heat insulation mechanism 7 includes a first heat insulation layer 701, an inner cavity of the first heat insulation layer 701 is connected with a fireproof layer 6 in an adhesive manner, a temperature resistant layer 702 is connected to a surface of the first heat insulation layer 701 in an adhesive manner, a second heat insulation layer 703 is connected to a surface of the temperature resistant layer 702 in an adhesive manner, a surface of the second heat insulation layer 703 is connected with a corrosion resistant mechanism 8 in an adhesive manner, a polyethylene film is used as a material of the first heat insulation layer 701, a glass fiber is used as the material of the temperature resistant layer 702, an aerogel felt is used as a material of the second heat insulation layer 703, a fireproof cement is used as a material of the fireproof layer 6, and the fireproof cement is matched with a fire-retarding bag.
The scheme is adopted: through setting up the cooperation of first insulating layer 701, refractory layer 702 and second insulating layer 703 and using, wherein the cooperation of first insulating layer 701 and second insulating layer 703 is used, wherein the thermal insulation of second insulating layer 703 increase first insulating layer 701, and the temperature that makes protection tube body 2 bear through refractory layer 702 improves, and the fire prevention glued membrane and the fire-retardant package cooperation in flame retardant coating 6 use, make protection tube body 2 carry out the fire resistance, thereby accomplish the purpose that makes the protection tube possess thermal-insulated high temperature fire prevention, through setting up the material of first insulating layer 701 and be the polyethylene film, and the material of refractory layer 702 is glass fiber, be an inorganic nonmetallic material that performance is excellent, the wide variety of advantages are that the insulating property is good, the heat resistance is strong, corrosion resistance is good, mechanical strength is high, simultaneously the material of second insulating layer 703 is the aerogel felt, the aerogel felt is with nano silica or metal aerogel as the bulk material, through special technology with the flexible heat preservation that carbon fiber or ceramic glass glued membrane or pre-oxidized fiber felt composite forms, it is low in coefficient of heat conductivity, certain characteristics, the tensile strength and pipeline, the novel material that makes the fire prevention tube through setting up the fire prevention glued membrane and the fire prevention coating 2.
The working principle of the utility model is as follows:
when the protective tube is used, in the process of long-time use, through the matching use of the waterproof layer 3, the first corrosion resistant layer 801, the carbon fiber layer 802, the high-chromium cast iron layer 803 and the second corrosion resistant layer 804, wherein the galvanized steel sheet in the waterproof layer 3 enables the protective tube body 2 not to penetrate into the inner cavity of the protective tube body 2 when contacting rainwater so as to corrode the cable core 1, simultaneously, through the matching use of the first corrosion resistant layer 801 and the second corrosion resistant layer 804, the second corrosion resistant layer 804 increases the corrosion resistance of the first corrosion resistant layer 801, and the carbon fiber layer 802 and the high-chromium cast iron layer 803 are arranged between the opposite sides of the first corrosion resistant layer 801 and the second corrosion resistant layer 804, so that the corrosion resistance of the protective tube is further enhanced, and meanwhile, when the protective tube is required to be provided with heat insulation high-temperature fireproof, through the matching use of the first heat insulation layer 701 and the second heat resistant layer 702 and the second heat insulation layer 703, the heat insulation layer 703 is matched with the first heat insulation layer 701 and the protective tube body 6 is further enhanced, so that the heat insulation property of the protective tube is protected by the heat insulation layer 701 and the heat insulation tube is prevented from being provided with the heat insulation layer 703, and the fire protection tube is further enhanced.
To sum up: this cable protection pipe that thermal-insulated high temperature resistant is effectual through setting up cable core 1, protection tube body 2, waterproof layer 3, conducting layer 4, insulating layer 5, flame retardant coating 6, thermal-insulated mechanism 7 and corrosion resistant mechanism 8's cooperation and use, has solved current cable protection pipe that thermal-insulated high temperature resistant is effectual and does not possess and carry out anticorrosive and make the protection pipe possess thermal-insulated high temperature fire prevention's problem to the protection pipe.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a thermal-insulated high temperature resistant effectual cable protection tube, includes cable core (1), its characterized in that: the cable comprises a cable core body (1), wherein a protective tube body (2) is arranged on the surface of the cable core body (1), a waterproof layer (3) is fixedly connected to the surface of the protective tube body (2), the protective tube body (2) comprises a conductive layer (4), an insulating layer (5) is connected to the surface of the conductive layer (4) in a bonding manner, a fireproof layer (6) is connected to the surface of the insulating layer (5) in a bonding manner, a heat insulation mechanism (7) is connected to the surface of the fireproof layer (6) in a bonding manner, a corrosion resistance mechanism (8) is connected to the surface of the heat insulation mechanism (7) in a bonding manner, and the surface of the corrosion resistance mechanism (8) is connected to the inner cavity of the waterproof layer (3).
2. The cable protection tube with good heat insulation and high temperature resistance effect as claimed in claim 1, wherein: the corrosion resistant mechanism (8) comprises a first corrosion resistant layer (801), the inner cavity of the first corrosion resistant layer (801) is connected with the heat insulation mechanism (7) in an adhesive mode, a carbon fiber layer (802) is connected to the top of the first corrosion resistant layer (801) in an adhesive mode, a high-chromium cast iron layer (803) is connected to the top of the carbon fiber layer (802) in an adhesive mode, a second corrosion resistant layer (804) is connected to the top of the high-chromium cast iron layer (803) in an adhesive mode, and the top of the second corrosion resistant layer (804) is connected with the inner cavity of the waterproof layer (3) in an adhesive mode.
3. The cable protection tube with good heat insulation and high temperature resistance effect as claimed in claim 2, wherein: the first corrosion-resistant layer (801) is made of nickel-based corrosion-resistant alloy, and the second corrosion-resistant layer (804) is made of polytetrafluoroethylene.
4. The cable protection tube with good heat insulation and high temperature resistance effect as claimed in claim 1, wherein: the waterproof layer (3) is made of galvanized steel sheet, and the conductive layer (4) is made of metal fiber.
5. The cable protection tube with good heat insulation and high temperature resistance effect as claimed in claim 1, wherein: the heat insulation mechanism (7) comprises a first heat insulation layer (701), an inner cavity of the first heat insulation layer (701) is connected with the fireproof layer (6) in an adhesive mode, a temperature resistant layer (702) is connected to the surface of the first heat insulation layer (701) in an adhesive mode, a second heat insulation layer (703) is connected to the surface of the temperature resistant layer (702) in an adhesive mode, and the surface of the second heat insulation layer (703) is connected with the corrosion resistant mechanism (8) in an adhesive mode.
6. The cable protection tube with good heat insulation and high temperature resistance effect as claimed in claim 5, wherein: the material of the first heat insulation layer (701) is a polyethylene film, the material of the temperature resistant layer (702) is glass fiber, and the material of the second heat insulation layer (703) is aerogel felt.
7. The cable protection tube with good heat insulation and high temperature resistance effect as claimed in claim 1, wherein: the fireproof layer (6) is made of fireproof clay, and the fireproof clay is matched with the fire-retarding bag.
CN202222405328.4U 2022-09-10 2022-09-10 Cable protection tube with good heat insulation and high temperature resistance effects Active CN219028740U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222405328.4U CN219028740U (en) 2022-09-10 2022-09-10 Cable protection tube with good heat insulation and high temperature resistance effects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222405328.4U CN219028740U (en) 2022-09-10 2022-09-10 Cable protection tube with good heat insulation and high temperature resistance effects

Publications (1)

Publication Number Publication Date
CN219028740U true CN219028740U (en) 2023-05-16

Family

ID=86286791

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222405328.4U Active CN219028740U (en) 2022-09-10 2022-09-10 Cable protection tube with good heat insulation and high temperature resistance effects

Country Status (1)

Country Link
CN (1) CN219028740U (en)

Similar Documents

Publication Publication Date Title
CN205354733U (en) High temperature resistant cable
CN204315271U (en) A kind of embossing aluminium isolated form inorganic mineral insulation flexible fire-proof cable
CN102842370B (en) Environment-friendly composite functional flexible fireproof cable
CN219028740U (en) Cable protection tube with good heat insulation and high temperature resistance effects
CN205177448U (en) High temperature resistant silicon rubber fiber insulation sleeve pipe
CN212920659U (en) Compound heat-resisting silica aerogel heat preservation felt
CN207489522U (en) A kind of high flexibility shell-less aluminum alloy conductor power cable
CN202711799U (en) Mineral insulation fireproof cable having corrugated stainless steel sheath
CN107731378A (en) A kind of high flexibility shell-less aluminum alloy conductor power cable
CN204315280U (en) A kind of Novel fire-resistant insulated cable
CN209625901U (en) A kind of mineral insulated cable
CN212839831U (en) Municipal administration drainage is with heat-resisting transport pipe way
CN207302727U (en) A kind of isolated form mineral insulation flexible fire-proof cable
CN213501188U (en) Plastic hose with good high-temperature resistance
CN201536022U (en) Flexible high-temperature resistant cable with armored protective layer
CN207489521U (en) A kind of resistance to fire-retardant computer flexible cable of the resistance to tension of mineral insulation
CN219317856U (en) Fire-fighting pipe with good fireproof performance
CN215220394U (en) Alkali-resistant corrosion-resistant insulating sleeve
CN216450431U (en) High-temperature-resistant cable
CN218911127U (en) Fireproof heat-insulation inhaul cable
CN220526611U (en) Multilayer aluminum-chromium composite metal cable
CN219513725U (en) Fire-resistant protection power tube
CN211062478U (en) Double-circuit electronic wire
CN220491645U (en) Flame-retardant cable with heat insulation effect
CN218996379U (en) Polyvinyl chloride insulated wire

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant