CN115512882A - High-flame-retardant high-temperature-resistant power cable - Google Patents

High-flame-retardant high-temperature-resistant power cable Download PDF

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Publication number
CN115512882A
CN115512882A CN202211368055.9A CN202211368055A CN115512882A CN 115512882 A CN115512882 A CN 115512882A CN 202211368055 A CN202211368055 A CN 202211368055A CN 115512882 A CN115512882 A CN 115512882A
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China
Prior art keywords
wall
sleeve
power cable
protective
groove
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CN202211368055.9A
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Chinese (zh)
Inventor
王震
刘春华
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Individual
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Individual
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Priority to CN202211368055.9A priority Critical patent/CN115512882A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1805Protections not provided for in groups H01B7/182 - H01B7/26
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/28Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/184Sheaths comprising grooves, ribs or other projections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/292Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/40Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
    • 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

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

The invention discloses a high-flame-retardant high-temperature-resistant power cable, which relates to the technical field of power cables and comprises a first protective shell and a second protective shell, wherein the cross sections of the first protective shell and the second protective shell are semicircular, and a protective sleeve and a compression-resistant mechanism are arranged inside the first protective shell and the second protective shell; the anti-compression mechanism comprises a rectangular frame, a through hole, a connecting rod, an arc-shaped plate, a rubber pad, a fixed block, a spring, a sleeve, a telescopic rod, a limiting groove and a damping block, wherein the rectangular frame is arranged inside a first protective shell and a second protective shell, the through hole is formed in the rectangular frame, the connecting rod penetrates through the through hole, the outer wall of the connecting rod is in sliding connection with the inner wall of the through hole, and one end of the connecting rod is fixedly connected with the outer wall of the arc-shaped plate.

Description

High-flame-retardant high-temperature-resistant power cable
Technical Field
The invention relates to the technical field of power cables, in particular to a high-flame-retardant and high-temperature-resistant power cable.
Background
The cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, which are all composed of single-strand or multi-strand wires and insulating layers and used for connecting a circuit and an electric appliance, and the structure of the cable generally comprises a cable outer protective layer and a cable core wire. With the continuous development of economy in China, the application range of the cable is wider and wider, and the performance requirement of the cable is higher and higher
For example, chinese patent publication No. CN107086059A discloses the following technical solution: the utility model provides a fire-retardant high temperature resistant power cable, the cable core includes a first sinle silk and many second sinle silks, and first sinle silk is located the cable core middle part, it has circular cross section, and first sinle silk includes first conductor and the cladding at the outside first insulation layer of first conductor, and the second sinle silk has fan annular cross section, and its parallel is indulged and is put, and the intrados of second sinle silk supports with first sinle silk mutually, offsets through flat face between the second sinle silk, and makes the cable core has circular cross section, and the second sinle silk includes the second conductor and the cladding at the outside second insulating layer of second conductor, and glass fiber area is around the package the outside formation of cable core is around the package, and the steel wire is woven around the package and is forming the shielding layer in the copper wire periphery, and the crowded package of pottery silicon rubber forms fire-retardant coating in the shielding layer periphery, and the crowded package of low smoke and form the oversheath in fire-retardant layer periphery.
The following problems exist in the prior art:
the existing power cable has good high-temperature resistance and flame retardance, but the compression resistance of the cable is poor only by the arrangement of the sheath, and the cable is easily damaged and the service life of the cable is influenced after being buried in the ground for a long time.
Disclosure of Invention
The invention provides a high-flame-retardant high-temperature-resistant power cable to solve the problems in the background technology.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a high-flame-retardant high-temperature-resistant power cable comprises a first protective shell and a second protective shell, wherein the cross sections of the first protective shell and the second protective shell are semicircular, and a protective sleeve and a compression-resistant mechanism are arranged inside the first protective shell and the second protective shell; resistance to compression mechanism includes rectangle frame, through-hole, connecting rod, arc, rubber pad, fixed block, spring, sleeve, telescopic link, spacing groove, damping piece, the rectangle frame sets up in the inside of protective housing one and protective housing two, the through-hole is seted up on the rectangle frame, the connecting rod passes the through-hole, and the outer wall of connecting rod and the inner wall sliding connection of through-hole, the one end of connecting rod and the outer wall fixed connection of arc, one side fixed connection of spring is kept away from to the other end of connecting rod and fixed block, the one end of spring and the outer wall fixed connection of fixed block, the other end of spring and the inner wall fixed connection of rectangle frame, through setting up the material of protective housing one and protective housing two and making for the crosslinked polyethylene material, can not decompose and carbonization below two hundred degrees, long-term operating temperature can reach ninety degrees, and high temperature resistance can be superior, is ceramic silicon rubber through the material that sets up the protecting sleeve, and ceramic silicon rubber possesses good fire resistance, can also form hard oxide layer in the cable core outside when taking place the conflagration, prevent that the flame retardant properties from invading into, make the outside impact force of cable, can reach the effect of buffering to the resistance to reinforcing cable to the resistance to compression cable.
The technical scheme of the invention is further improved as follows: rubber pad fixed connection is at the inner wall of arc, sleeve fixed connection is close to one side outer wall of spring at the fixed block, the one end of telescopic link and the inner wall fixed connection of rectangle frame, and the other end setting of telescopic link is in telescopic inside, the spacing groove is seted up on telescopic inner wall, damping block fixed connection is on the outer wall of telescopic link, and the rubber pad is linear distribution about the upper and lower left and right sides four sides of rectangle frame, and the length of rectangle frame adapts to according to the length of cable, is not crushed in order to protect the cable core through setting up the rubber pad, can be so that the performance of spring more stable through setting up sleeve and telescopic link.
The technical scheme of the invention is further improved as follows: damping piece sets up inside and spacing groove sliding connection at the spacing groove, the spring housing is established on sleeve and telescopic link, can play damped effect through setting up damping piece and spacing groove, increases the buffer capacity of spring.
The technical scheme of the invention is further improved as follows: the protective housing I and the protective housing II are provided with fixing mechanisms, each fixing mechanism comprises a first fixing rod, a second fixing rod, a rubber sealing strip, a sealing groove, a thread groove, a threaded hole and a bolt, the first fixing rod is fixedly connected to the outer wall of the first protective housing, the second fixing rod is fixedly connected to the outer wall of the second protective housing, the bottom of the first fixing rod is in contact with the bottom of the second fixing rod, and the length of the first fixing rod and the length of the second fixing rod are set according to the length of a cable.
The technical scheme of the invention is further improved as follows: the top at dead lever two is seted up to the seal groove, rubber seal strip fixed connection is in the bottom of dead lever one, the thread groove is seted up at the top of dead lever two, the screw hole is seted up on dead lever one, the bolt passes the inside that the screw hole extends to the thread groove, is the leakproofness in order to cooperate the seal groove to increase dead lever one and dead lever two junctions through setting up rubber seal strip, because rubber seal strip is soft, so when the protective housing rotates, its inside that can insert the seal groove.
The technical scheme of the invention is further improved as follows: the rubber sealing strip sets up in the inside of seal groove, and with seal groove swing joint, bolt and screw hole and thread groove threaded connection are for the connection of fixed dead lever one and dead lever two through setting up the bolt, and wherein the quantity of the thread hole on the dead lever one and the thread groove on the dead lever two all is a plurality of.
The technical scheme of the invention is further improved as follows: the inside of protecting pipe is provided with the buffer layer, the inner wall of buffer layer is seted up flutedly, is the compressive capacity who increases the cable in order to cooperate resistance to compression mechanism through setting up the buffer layer, is the outside formation of cooperating the arc to the sinle silk through setting up the recess and surrounds to reach stable purpose.
The technical scheme of the invention is further improved as follows: the inside of recess is provided with the protective sheath, the inner wall of protective sheath has the housing through the adhesive bonding, makes for low smoke and zero halogen flame retardant irradiation cross-linking polyolefin through setting up the protective sheath, has the effect of high temperature resistant and environmental protection.
The technical scheme of the invention is further improved as follows: the inner wall of the shielding sleeve is bonded with an insulating sleeve through an adhesive.
The technical scheme of the invention is further improved as follows: and a wire core is arranged in the insulating sleeve.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a high-flame-retardant high-temperature-resistant power cable, which is characterized in that when the external part of the cable is subjected to impact force, the impact force is transmitted to a rubber pad through a spring, a connecting rod moves, and the connecting rod stretches the spring to offset the impact force, so that the aim of buffering is fulfilled, and the pressure resistance of the cable is enhanced.
2. The invention provides a high-flame-retardant high-temperature-resistant power cable which is characterized in that a first protective shell and a second protective shell are made of a cross-linked polyethylene material, the high-flame-retardant high-temperature-resistant power cable cannot be decomposed and carbonized below two hundred degrees, the working temperature can reach ninety degrees for a long time, the high-temperature-resistant performance is excellent, a protective sleeve is made of ceramic silicon rubber, the ceramic silicon rubber has excellent fire resistance, a hard oxide layer can be formed outside a cable core when a fire disaster happens, a fire source is prevented from invading the cable core, the flame resistance is excellent, and the power cable has good high-temperature-resistant capability.
3. The invention provides a high-flame-retardant high-temperature-resistant power cable which is characterized in that a first fixing rod, a thread groove, a thread hole and a bolt are arranged to control opening and closing of a first protective shell and a second protective shell, and a rubber sealing strip is arranged to be matched with a sealing groove to increase the sealing performance of the joint of the first fixing rod and the second fixing rod.
4. The invention provides a high-flame-retardant high-temperature-resistant power cable, which can be matched with a compression-resistant mechanism to increase the compression resistance of the cable by arranging a buffer layer, can be matched with an arc-shaped plate to form enclosure on the outside of a wire core by arranging a groove, thereby achieving the purpose of stability, and has the effects of high temperature resistance and environmental protection by arranging a protective sleeve made of low-smoke halogen-free flame-retardant irradiation crosslinking polyolefin.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective view of a rectangular frame according to the present invention;
FIG. 3 is a schematic perspective view of the anti-compression mechanism of the present invention;
FIG. 4 is an exploded view of the sleeve and telescoping pole of the present invention;
FIG. 5 is an exploded view of a first retaining rod and a second retaining rod of the present invention;
FIG. 6 is a hierarchical view of the present invention.
In the figure: 1. a first protective shell; 2. a second protective shell; 3. sheathing a pipe; 4. a buffer layer; 5. a groove; 6. A compression resistance mechanism; 601. a rectangular frame; 602. a through hole; 603. a connecting rod; 604. an arc-shaped plate; 605. a rubber pad; 606. a fixed block; 607. a spring; 608. a sleeve; 609. a telescopic rod; 610. a limiting groove; 611. A damping block; 7. a fixing mechanism; 701. fixing a rod I; 702. a second fixing rod; 703. a rubber seal strip; 704. a sealing groove; 705. a thread groove; 706. a threaded hole; 707. a bolt; 8. a protective sleeve; 9. A shielding sleeve; 10. an insulating sleeve; 11. and a wire core.
Detailed Description
The present invention is further illustrated in detail below with reference to examples:
example 1
As shown in fig. 1 to 6, the invention provides a high-flame-retardant high-temperature-resistant power cable, which comprises a first protective shell 1 and a second protective shell 2, wherein the cross sections of the first protective shell 1 and the second protective shell 2 are semi-circles, and a protective sleeve 3 and a pressure-resistant mechanism 6 are arranged inside the first protective shell 1 and the second protective shell 2; the pressure-resistant mechanism 6 comprises a rectangular frame 601, a through hole 602, a connecting rod 603, an arc-shaped plate 604, a rubber pad 605, a fixed block 606, a spring 607, a sleeve 608, a telescopic rod 609, a limiting groove 610 and a damping block 611, the rectangular frame 601 is arranged inside a first protective shell 1 and a second protective shell 2, the through hole 602 is arranged on the rectangular frame 601, the connecting rod 603 passes through the through hole 602, the outer wall of the connecting rod 603 is in sliding connection with the inner wall of the through hole 602, one end of the connecting rod 603 is fixedly connected with the outer wall of the arc-shaped plate 604, the other end of the connecting rod 603 is fixedly connected with one side of the fixed block 606 far away from the spring 607, one end of the spring 607 is fixedly connected with the outer wall of the fixed block 606, the other end of the spring 607 is fixedly connected with the inner wall of the rectangular frame 601, the rubber pad 605 is fixedly connected with the inner wall of the arc-shaped plate 604, the sleeve 608 is fixedly connected with the outer wall of one side of the fixed block 606 near the spring 607, one end of an expansion link 609 is fixedly connected with the inner wall of the rectangular frame 601, the other end of the expansion link 609 is arranged inside a sleeve 608, a limiting groove 610 is formed in the inner wall of the sleeve 608, a damping block 611 is fixedly connected to the outer wall of the expansion link 609, the rubber pad 605 is linearly distributed on the upper, lower, left and right sides of the rectangular frame 601, the length of the rectangular frame 601 adapts to the length of a cable, the rubber pad 605 is arranged to protect the cable core from being crushed, the performance of the spring 607 can be more stable by arranging the sleeve 608 and the expansion link 609, the damping block 611 is arranged inside the limiting groove 610 and is in sliding connection with the limiting groove 610, the spring 607 is sleeved on the sleeve 608 and the expansion link 609, the damping effect can be achieved by arranging the damping block 611 and the limiting groove 610, and the buffer capacity of the spring is improved.
In this embodiment, the material through setting up protective housing one 1 and protective housing two 2 is made for the crosslinked polyethylene material, can not decompose and carbonization below two hundred degrees, long-term operating temperature can reach ninety degrees, high temperature resistance is superior, material through setting up protective sheath 3 is ceramic silicon rubber, ceramic silicon rubber possesses good fire resistance, ceramic silicon rubber can also form hard oxide layer in the cable core outside when the conflagration breaing out, prevent that the fire source from invading in the cable core, fire resistance is good, make this power cable have fine high temperature resistance, when making the cable outside receive the impact force through setting up spring 607, impact force transmits rubber pad 605 on, make connecting rod 603 remove, connecting rod 603 makes spring 607 stretched, with this offset the impact force, thereby reach the mesh of buffering, strengthen the compressive capacity of cable.
Example 2
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the first protective housing 1 and the second protective housing 2 are provided with a fixing mechanism 7, the fixing mechanism 7 includes a first fixing rod 701, a second fixing rod 702, a rubber sealing strip 703, a sealing groove 704, a threaded groove 705, a threaded hole 706, and a bolt 707, the first fixing rod 701 is fixedly connected to the outer wall of the first protective housing 1, the second fixing rod 702 is fixedly connected to the outer wall of the second protective housing 2, the bottom of the first fixing rod 701 is in contact with the bottom of the second fixing rod 702, the lengths of the first fixing rod 701 and the second fixing rod 702 are set according to the length of a cable, the sealing groove 704 is formed at the top of the second fixing rod 702, the rubber sealing strip 703 is fixedly connected to the bottom of the first fixing rod 701, the threaded groove 705 is formed at the top of the second fixing rod 702, the threaded hole 706 is formed in the first fixing rod 701, the bolt 707 extends to the inside of the threaded groove 706 through the threaded hole 706, the rubber sealing strip 703 is arranged to be matched with the sealing groove 704 to increase the sealing performance of the connection of the first fixing rod 701 and the second fixing rod 702, the rubber sealing strip 703 is soft, when the first protective housing 1 rotates, the first fixing rod 701 and the second fixing rod 701 are connected to the threaded groove 706, and the number of the threaded grooves of the fixing rods 701 is equal to the number of the threaded grooves 706.
In the embodiment, the first fixing rod 701, the fixing rod 702, the thread groove 705, the thread hole 706 and the bolt 707 are arranged to control the opening and closing of the first protective shell 1 and the second protective shell 2.
Example 3
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the inside of protecting pipe 3 is provided with buffer layer 4, and the inner wall of buffer layer 4 is seted up flutedly 5, and the inside of recess 5 is provided with protective sheath 8, and protective sheath 8's inner wall has shielding cover 9 through the adhesive bonding, and shielding cover 9's inner wall has insulating cover 10 through the adhesive bonding, and insulating cover 10's inside is provided with sinle silk 11.
In this embodiment, the buffer layer 4 is arranged to cooperate with the anti-compression mechanism 6 to increase the anti-compression capability of the cable, the groove 5 is arranged to cooperate with the arc plate 604 to surround the outside of the cable core 11, so as to achieve the purpose of stability, and the protective sleeve 8 is made of low-smoke halogen-free flame-retardant radiation cross-linked polyolefin, so that the cable has the effects of high temperature resistance and environmental protection.
The working principle of the high flame retardant and high temperature resistant power cable is described in detail below.
As shown in fig. 1-6, when in use, the protective shell 1 and the protective shell 2 are made of cross-linked polyethylene, and will not decompose and carbonize below two hundred degrees, the long-term working temperature can reach ninety degrees, and the high temperature resistance is excellent, the protective sleeve 3 is made of ceramic silicone rubber, which has excellent fire resistance, and can form a hard oxide layer outside the cable core to prevent the fire source from invading into the cable core, and has excellent fire resistance, so that the power cable has excellent high temperature resistance, when the cable is subjected to impact force from the outside by arranging the spring 607, the impact force is transmitted to the rubber pad 605, so that the connecting rod 603 moves, the connecting rod 603 causes the spring 607 to be stretched to counteract the impact force, thereby achieving the purpose of buffering and enhancing the pressure resistance of the cable, the performance of the spring 607 can be more stable by arranging the sleeve 608 and the telescopic rod 609, the damping effect can be achieved by arranging the damping block 611 and the limiting groove 610, the buffering capacity of the spring is increased, the opening and closing of the first protective shell 1 and the second protective shell 2 can be controlled by arranging the first fixed rod 701, the fixed rod 702, the threaded groove 705, the threaded hole 706 and the bolt 707, the sealing performance of the joint of the first fixed rod 701 and the second fixed rod 702 is increased by arranging the rubber sealing strip 703 to be matched with the sealing groove 704, the rubber sealing strip 703 is soft, so when the first protective shell 1 rotates, the rubber sealing strip can be inserted into the sealing groove 704, the compression resistance of the cable can be increased by arranging the buffer layer 4 to be matched with the compression resistance mechanism 6, the groove 5 can be matched with the arc-shaped plate 604 to form an enclosure on the outside of the cable core 11, the purpose of stability is achieved, the protective sleeve 8 is made of low-smoke halogen-free flame retardant irradiation crosslinking polyolefin, has the effects of high temperature resistance and environmental protection.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, it is possible to modify or improve the optical characteristics of the optical fiber without departing from the spirit of the present invention.

Claims (10)

1. The utility model provides a high fire-retardant high temperature resistant power cable, includes protective housing one (1) and protective housing two (2), its characterized in that: the cross sections of the first protective shell (1) and the second protective shell (2) are semicircular, and a protective sleeve (3) and a compression-resistant mechanism (6) are arranged inside the first protective shell (1) and the second protective shell (2);
resistance to compression mechanism (6) include rectangular frame (601), through-hole (602), connecting rod (603), arc (604), rubber pad (605), fixed block (606), spring (607), sleeve (608), telescopic link (609), spacing groove (610), damping piece (611), rectangular frame (601) sets up in the inside of protective housing one (1) and protective housing two (2), through-hole (602) are seted up on rectangular frame (601), connecting rod (603) pass through-hole (602), and the outer wall of connecting rod (603) and the inner wall sliding connection of through-hole (602), the one end of connecting rod (603) and the outer wall fixed connection of arc (604), the one side fixed connection of spring (607) is kept away from with fixed block (606) to the other end of connecting rod (603), the one end of spring (607) and the outer wall fixed connection of fixed block (606), the other end of spring (607) and the inner wall fixed connection of rectangular frame (601).
2. The high flame retardant and high temperature resistant power cable according to claim 1, wherein: rubber pad (605) fixed connection is in the inner wall of arc (604), sleeve (608) fixed connection is in fixed block (606) and is close to one side outer wall of spring (607), the one end of telescopic link (609) and the inner wall fixed connection of rectangle frame (601), and the other end setting of telescopic link (609) is in the inside of sleeve (608), spacing groove (610) are seted up on the inner wall of sleeve (608), damping piece (611) fixed connection is on the outer wall of telescopic link (609).
3. The high flame retardant and high temperature resistant power cable according to claim 2, characterized in that: the damping block (611) is arranged in the limiting groove (610) and is in sliding connection with the limiting groove (610), and the spring (607) is sleeved on the sleeve (608) and the telescopic rod (609).
4. The high flame retardant and high temperature resistant power cable according to claim 1, wherein: be provided with fixed establishment (7) on protective housing one (1) and protective housing two (2), fixed establishment (7) are including dead lever one (701), dead lever two (702), rubber seal strip (703), seal groove (704), thread groove (705), screw hole (706), bolt (707), dead lever one (701) fixed connection is on the outer wall of protective housing one (1), dead lever two (702) fixed connection is on the outer wall of protective housing two (2), and the bottom of dead lever one (701) and the bottom contact of dead lever two (702).
5. The high flame retardant and high temperature resistant power cable according to claim 4, wherein: the sealing groove (704) is formed in the top of the second fixing rod (702), the rubber sealing strip (703) is fixedly connected to the bottom of the first fixing rod (701), the thread groove (705) is formed in the top of the second fixing rod (702), the threaded hole (706) is formed in the first fixing rod (701), and the bolt (707) penetrates through the threaded hole (706) and extends to the inside of the thread groove (705).
6. The high flame retardant and high temperature resistant power cable according to claim 5, wherein: the rubber sealing strip (703) is arranged in the sealing groove (704) and movably connected with the sealing groove (704), and the bolt (707) is in threaded connection with the threaded hole (706) and the threaded groove (705).
7. The high flame retardant and high temperature resistant power cable according to claim 1, wherein: the protective sleeve is characterized in that a buffer layer (4) is arranged inside the protective sleeve (3), and a groove (5) is formed in the inner wall of the buffer layer (4).
8. The high flame retardant and high temperature resistant power cable according to claim 7, wherein: the inside of recess (5) is provided with protective sheath (8), the inner wall of protective sheath (8) has shielding cover (9) through the adhesive bonding.
9. The high flame retardant and high temperature resistant power cable according to claim 8, wherein: the inner wall of the shielding sleeve (9) is bonded with an insulating sleeve (10) through an adhesive.
10. The high flame retardant and high temperature resistant power cable according to claim 9, wherein: and a wire core (11) is arranged in the insulating sleeve (10).
CN202211368055.9A 2022-11-03 2022-11-03 High-flame-retardant high-temperature-resistant power cable Pending CN115512882A (en)

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Application Number Priority Date Filing Date Title
CN202211368055.9A CN115512882A (en) 2022-11-03 2022-11-03 High-flame-retardant high-temperature-resistant power cable

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Application Number Priority Date Filing Date Title
CN202211368055.9A CN115512882A (en) 2022-11-03 2022-11-03 High-flame-retardant high-temperature-resistant power cable

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CN115512882A true CN115512882A (en) 2022-12-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117947964A (en) * 2024-03-26 2024-04-30 泰州市宝特索具有限公司 Adjustable flame-retardant safe flat net

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117947964A (en) * 2024-03-26 2024-04-30 泰州市宝特索具有限公司 Adjustable flame-retardant safe flat net
CN117947964B (en) * 2024-03-26 2024-05-31 泰州市宝特索具有限公司 Adjustable flame-retardant safe flat net

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