CN111739687A

CN111739687A - Glass fiber woven flame-retardant silicone rubber cable

Info

Publication number: CN111739687A
Application number: CN202010489793.3A
Authority: CN
Inventors: 李芃
Original assignee: Metallurgica Bresciana Maanshan Special Cables Co ltd
Current assignee: Metallurgica Bresciana Maanshan Special Cables Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2020-10-02

Abstract

The invention discloses a glass fiber braided flame-retardant silicone rubber cable, and particularly relates to the field of rubber cables. According to the invention, the glass fiber is woven on the outermost layer in a wrapping mode, and the weaving density is controlled to be more than 90%, so that the flame retardant effect of the cable is effectively improved, and the strength of the whole external structure of the cable is improved due to the arrangement of the spinnerette reinforcing blocks.

Description

Glass fiber woven flame-retardant silicone rubber cable

Technical Field

The invention relates to the technical field of rubber cables, in particular to a glass fiber woven flame-retardant silicone rubber cable.

Background

The silicon rubber cable is suitable for power transmission lines or connecting cables for mobile electric appliances for fixed laying at the AC rated voltage of 0.6/1KV and below, has the characteristics of heat radiation resistance, cold resistance, acid and alkali resistance, corrosive gas resistance, water resistance and the like, is soft in cable structure, convenient to radiate, stable in electrical performance in high-temperature (high and cold) environment, outstanding in ageing resistance and long in service life, is widely applied to industries such as metallurgy, electric power, petrifaction, electronics, automobile manufacturing and the like, is the second industry second to the automobile industry in China, and has the product variety satisfaction rate and the domestic market share both exceeding 90%.

The special cable is a cable with special purposes, can be used in special occasions, such as high temperature resistance, acid and alkali resistance, termite resistance, and electric wires and cables used in occasions such as ship, airplane, nuclear power station and the like. In terms of classification, it is not in the same classification method as the categories of power, control, computer cables, etc., i.e., the above-listed cables also include special cables.

However, the existing silicone rubber cable still has more defects in practical use, for example, the silicone rubber cable has poor flame-retardant and fire-resistant effects and structural strength, and the cable is easy to burn and generate fire, so that safety accidents are caused.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide a glass fiber braided flame-retardant silicone rubber cable, and the problems to be solved by the present invention are: the existing silicone rubber cable has poor flame-retardant and fire-resistant effects and structural strength.

In order to achieve the purpose, the invention provides the following technical scheme: a glass fiber braided flame-retardant silicone rubber cable comprises a glass fiber braided layer, wherein a shielding layer is arranged inside the glass fiber braided layer, a first buffer layer is arranged inside the shielding layer, a second buffer layer is arranged inside the first buffer layer, a reinforcing layer is arranged inside the second buffer layer, a core-spun layer is arranged inside the reinforcing layer, a partition plate is fixedly arranged on the inner peripheral side of the core-spun layer, a heat absorption pipe is arranged on one side, far away from the core-spun layer, of the partition plate, the partition plate is fixedly connected with the outer peripheral side of the heat absorption pipe, a cable core is arranged between the core-spun layer and the heat absorption pipe, and the glass fiber braided layer, the shielding layer, the first buffer layer, the second buffer layer, the reinforcing layer, the core-spun layer and the;

the glass fiber of glass fiber weaving layer adopts the mode parcel of wrapping on line, the silk is woven to the weaving silk that glass fiber weaving layer adopted 0.15-0.25 mm's glass fiber to weave, and weaving density is greater than 90%, and it is 60 +/-5 to weave the angle, the periphery side fixed mounting of glass fiber weaving layer has four groups to be the mounting bar that the annular array set up about the glass fiber weaving layer, adjacent two be provided with the lun boss between the mounting bar, the inboard of lun boss and the periphery side contact setting of glass fiber weaving layer, the cooperation groove has all been seted up to the both sides of mounting bar, the tank bottom integrated into one piece that the cooperation groove is close to the glass fiber weaving layer has fixed latch, the lun boss is close to the both sides homogeneous body shaping elasticity latch of mounting bar, elasticity latch and the cooperation of fixed latch joint.

In a preferred embodiment, an elastic block is fixedly installed on one side of the matching groove far away from the rotor reinforcing block, and one side of the elastic block far away from the matching groove is in pressing contact with the elastic latch so as to prevent the elastic latch from falling off from the matching groove

In a preferred embodiment, a plurality of groups of radiating fins arranged in an annular array are fixedly installed on the outer peripheral side of the core-spun layer, and a supporting ring rod is fixedly installed between every two adjacent radiating fins, so that the radiating surface area is increased, the radiating effect of the cable is improved, and the internal temperature of the cable is reduced.

In a preferred embodiment, one side that the covering layer was kept away from to the fin articulates there are two sets of buffer rods that are the symmetry setting about fin central cross section, the internal periphery side of enhancement layer is opened and is equipped with a plurality of spouts, the inside sliding connection of spout has the slider, the buffer rod is kept away from the one end of fin and is articulated with the slider, and when the cable pressurized, the angle increase between two buffer rods drove the slider and slided in the spout, has changed the distance between fin and the enhancement layer to but pressure buffering consumes pressure.

In a preferred embodiment, the outer periphery of the reinforcing layer is fixedly connected with the inner periphery of the second buffer layer, and the outer periphery of the second buffer layer is provided with a plurality of groups of uniformly distributed grooves, so that the direction of the pressure is changed, and the buffering performance of the cable is improved.

In a preferred embodiment, a plurality of groups of uniformly distributed protrusions are integrally formed on the inner peripheral side of the first buffer layer, the protrusions are matched with the grooves, and the cross sections of the protrusions and the grooves are both trapezoidal, so that the buffer performance of the cable is improved.

In a preferred embodiment, the shielding layer is an aluminum foil shielding layer, the shielding layer is tightly coated on the outer periphery of the first buffer layer, and the first buffer layer and the second buffer layer are both made of rail rubber materials, so that the buffering performance of the cable is improved.

In a preferred embodiment, the core-spun layer is a heat-conducting silicone member, and the elastic latch is an elastic plastic member, so that heat generated by the cable core is conducted to the heat sink, and the heat dissipation effect of the cable is improved.

The invention has the technical effects and advantages that:

1. according to the invention, the outermost layer is woven with glass fibers in a wrapping mode, the weaving density is controlled to be more than 90%, the flame retardant effect of the cable is effectively improved, the installation strip and the spinner reinforcing block are arranged, when the spinner reinforcing block is installed, the elastic latch is in clamping fit with the innermost fixed latch of the matching groove, at the moment, the outer side of the elastic latch extrudes the elastic block, the elastic block is compressed, the elastic latch on the other side is bent by force, and is in clamping fit with the other matching groove, and the arrangement of the spinner reinforcing block improves the strength of the external integral structure of the cable, so that compared with the prior art, the improvement of prolonging the service life of the cable is achieved;

2. according to the invention, by arranging the buffer rods, the sliding groove and the sliding block, when the cable is pressed, the angle between the two buffer rods is increased, the sliding block is driven to slide in the sliding groove, the distance between the radiating fin and the reinforcing layer is changed, so that the pressure can be buffered, the pressure can be consumed, the damage of a cable core is reduced, and the service life of the cable in a severe environment is prolonged.

Drawings

FIG. 1 is a schematic exterior view of the overall structure of the present invention;

FIG. 2 is a schematic side sectional view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

The reference signs are: 1 glass fiber braided layer, 2 shielding layers, 3 first buffer layers, 31 bulges, 4 second buffer layers, 41 grooves, 5 reinforcing layers, 51 sliding grooves, 52 sliding blocks, 6 core-spun layers, 61 radiating fins, 62 supporting ring rods, 63 buffer rods, 7 partition plates, 8 heat absorbing pipes, 9 cable cores, 10 mounting strips, 101 matching grooves, 102 fixing clamping teeth, 103 elastic blocks, 11 spun reinforcing blocks and 111 elastic clamping teeth.

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.

The glass fiber braided flame-retardant silicone rubber cable of one embodiment of the invention can comprise a glass fiber braided layer 1, the glass fiber braided layer 1 is internally provided with a shielding layer 2, the shielding layer 2 is internally provided with a first buffer layer 3, a second buffer layer 4 is arranged inside the first buffer layer 3, a reinforcing layer 5 is arranged inside the second buffer layer 4, a core-spun layer 6 is arranged inside the reinforcing layer 5, a partition plate 7 is fixedly arranged on the inner peripheral side of the core-spun layer 6, a heat absorption pipe 8 is arranged on one side of the partition plate 7 far away from the core-spun layer 6, the partition plate 7 is fixedly connected with the peripheral side of the heat absorption pipe 8, a cable core 9 is arranged between the core-spun layer 6 and the heat absorption pipe 8, and the glass fiber braided layer 1, the shielding layer 2, the first buffer layer 3, the second buffer layer 4, the reinforcing layer 5, the core-spun layer 6 and the heat absorption tube 8 are all concentrically arranged.

Referring to the attached drawings 1-3 of the specification, the glass fiber of the glass fiber braided flame-retardant silicone rubber cable 1 of the embodiment is wrapped in an online wrapping manner, the braided wire of the glass fiber braided layer 1 is a 0.15-0.25mm glass fiber braided wire, the braiding density is greater than 90%, the braiding angle is 60 ± 5 °, four groups of mounting strips 10 arranged in an annular array relative to the glass fiber braided layer 1 are fixedly mounted on the outer peripheral side of the glass fiber braided layer 1, a rotor reinforcing block 11 is arranged between every two adjacent mounting strips 10, the inner side of the rotor reinforcing block 11 is in contact with the outer peripheral side of the glass fiber braided layer 1, matching grooves 101 are formed on both sides of the mounting strips 10, fixed latch teeth 102 are integrally formed on the bottom of the matching grooves 101 close to the glass fiber braided layer 1, and elastic latch teeth 111 are integrally formed on both sides of the rotor reinforcing block 11 close to the mounting strips 10, the elastic latch 111 is in snap fit with the fixed latch 102.

As shown in fig. 1 to 3, the implementation scenario specifically includes: when the rubber cable is in actual use, the outermost layer is provided with the glass fiber woven layer 1, the outer part of the cable core 9 is wrapped in a wrapping mode, the weaving density is controlled to be larger than 90%, the fireproof performance of the rubber cable can be effectively improved, the cable achieves a better flame retardant effect due to the material of the glass fiber, the installation strip 10 and the textile reinforcing block 11 are arranged, when the textile reinforcing block 11 is installed, the elastic latch teeth 111 on two sides of the reinforcing block are bent forcibly, the elastic latch teeth 111 on one side are plugged into the matching groove 101 first, the elastic latch teeth 111 are pushed to be in clamping fit with the fixed latch teeth 102 on the innermost part of the matching groove 101, the elastic block 103 (made of a material with good elastic capacity) is extruded on the outer side of the elastic latch teeth 111, the elastic latch teeth 111 on the other side are bent forcibly, and are in clamping fit with the other matching groove 101 in the same mode, so that the installation of the textile reinforcing block 11 is completed, the strength of the external integral structure of the cable is improved, the service life of the cable is prolonged, and the problem that the fireproof performance and the strength of the silicone rubber cable are poor in the prior art is solved.

An elastic block 103 is fixedly arranged on one side of the matching groove 101 far away from the spinner reinforcing block 11, and one side of the elastic block 103 far away from the matching groove 101 is in pressing contact with the elastic latch 111.

A plurality of groups of radiating fins 61 arranged in an annular array are fixedly arranged on the outer peripheral side of the core-spun layer 6, and a supporting ring rod 62 is fixedly arranged between every two adjacent radiating fins 61.

One side that the core-spun layer 6 was kept away from to fin 61 articulates there are two sets of buffering poles 63 that are the symmetry setting about fin 61 central cross-section, the interior side of enhancement layer 5 is opened and is equipped with a plurality of spouts 51, the inside sliding connection of spout 51 has slider 52, the one end that fin 61 was kept away from to buffering pole 63 is articulated with slider 52.

The outer periphery of the reinforcing layer 5 is fixedly connected with the inner periphery of the second buffer layer 4, and a plurality of groups of uniformly distributed grooves 41 are formed on the outer periphery of the second buffer layer 4.

The inner periphery side integrated into one piece of first buffer layer 3 has the arch 31 of multiunit evenly distributed, arch 31 and recess 41 looks adaptation, just the cross-sectional shape of arch 31 and recess 41 is trapezoidal.

The shielding layer 2 is an aluminum foil shielding layer, the shielding layer 2 is tightly wrapped on the outer peripheral side of the first buffer layer 3, and the first buffer layer 3 and the second buffer layer 4 are both rail rubber members.

The core-spun layer 6 is a heat-conducting silicone grease member, and the elastic latch 111 is an elastic plastic member.

As shown in fig. 1 to 4, the implementation scenario specifically includes: in practical use, by arranging the elastic block 103, when the cable is subjected to bending stress deformation, in order to prevent the elastic latch 111 from falling off from the matching groove 101, the elastic block 103 can provide self elastic deformation to enable the elastic latch 111 to be always stressed and extruded, and avoid falling off from the matching groove 101, by arranging the radiating fins 61, when the cable works, the cable core 9 generates a large amount of heat which is transmitted to the radiating fins 61 from the core-spun layer 6, the radiating surface area is increased, so that the radiating effect of the cable is favorably improved, the internal temperature of the cable is reduced, spontaneous combustion is avoided, the safety is improved, by arranging the support ring rods 62, the radiating fins 61 are connected, the structural strength of the radiating fins 61 is enhanced, the radiating fins 61 are prevented from being crushed by the cable, by arranging the buffer rods 63, the sliding grooves 51 and the sliding blocks 52, when the cable is crushed, the angle between the two buffer rods 63 is increased, drive slider 52 and slide in spout 51, the distance between fin 61 and the enhancement layer 5 has been changed, but buffer pressure, consume pressure, the damage of cable core 9 has been reduced, the life of cable under adverse circumstances has been improved, through setting up first buffer layer 3, arch 31, second buffer layer 4 and recess 41, when the cable pressurized, under the combined action of first buffer layer 3 and second buffer layer 4, can tentatively cushion pressure through the deformation of self, reduce the harm of pressure to cable core 9, and trapezium's arch 31 and recess 41, both cooperation extrudees, can change the direction of pressure, consume pressure to both sides, the effect of cable to the buffering of pressure has further been improved, the poor problem that leads to the life short of cable buffering effect that exists among the prior art has specifically been solved to this embodiment.

In summary, the following steps: according to the invention, the glass fiber is woven on the outermost layer in a wrapping mode, the weaving density is controlled to be more than 90%, the flame retardant effect of the cable is effectively improved, the installation strip 10 and the spinner reinforcing block 11 are arranged, when the spinner reinforcing block 11 is installed, the elastic latch 111 is in clamping fit with the fixed latch 102 on the innermost side of the matching groove 101, at the moment, the elastic block 103 is extruded by the outer side of the elastic latch 111, the elastic block 103 is compressed, the elastic latch 111 on the other side is bent by force to be in clamping fit with the other matching groove 101, the strength of the external integral structure of the cable is improved by the arrangement of the spinner reinforcing block 11, and the service life of the cable is prolonged.

And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a fire-retardant silicon rubber cable is woven to glass fiber, includes glass fiber weaving layer (1), its characterized in that: the inside of glass fiber weaving layer (1) is provided with shielding layer (2), the inside of shielding layer (2) is provided with first buffer layer (3), the inside of first buffer layer (3) is provided with second buffer layer (4), the inside of second buffer layer (4) is provided with enhancement layer (5), the inside of enhancement layer (5) is provided with covering layer (6), the interior week side fixed mounting of covering layer (6) has division board (7), one side of keeping away from covering layer (6) of division board (7) is provided with heat-absorbing tube (8), the periphery side fixed connection of division board (7) and heat-absorbing tube (8), be provided with cable core (9) between covering layer (6) and heat-absorbing tube (8), just glass fiber weaving layer (1), shielding layer (2), first buffer layer (3), second buffer layer (4), The reinforcing layer (5), the core-spun layer (6) and the heat absorption pipe (8) are all concentrically arranged;

the glass fiber of the glass fiber woven layer (1) is wrapped in an online wrapping mode, the woven wire of the glass fiber woven layer (1) is made of 0.15-0.25mm glass fiber woven wire, the weaving density is larger than 90%, the weaving angle is 60 +/-5 degrees, four groups of mounting strips (10) which are arranged in an annular array mode relative to the glass fiber woven layer (1) are fixedly mounted on the outer peripheral side of the glass fiber woven layer (1), a rotor reinforcing block (11) is arranged between every two adjacent mounting strips (10), the inner side of the rotor reinforcing block (11) is in contact with the outer peripheral side of the glass fiber woven layer (1), matching grooves (101) are formed in the two sides of the mounting strips (10), fixed clamping teeth (102) are integrally formed at the bottom of the grooves, close to the glass fiber woven layer (1), and elastic clamping teeth (111) are integrally formed on the two sides, close to the mounting strips (10), of the rotor reinforcing block (11), the elastic latch (111) is matched with the fixed latch (102) in a clamping manner.

2. The glass fiber braided flame-retardant silicone rubber cable according to claim 1, characterized in that: an elastic block (103) is fixedly mounted on one side, away from the spinning reinforcing block (11), of the matching groove (101), and one side, away from the matching groove (101), of the elastic block (103) is in pressing contact with the elastic latch (111).

3. The glass fiber braided flame-retardant silicone rubber cable according to claim 1, characterized in that: the periphery side fixed mounting of covering core layer (6) has the multiunit to be fin (61) that the annular array set up, and adjacent two fixed mounting has support ring pole (62) between fin (61).

4. The glass fiber braided flame-retardant silicone rubber cable according to claim 3, characterized in that: one side that core-spun layer (6) was kept away from in fin (61) is articulated to have two sets ofly to be buffer beam (63) that the symmetry set up about fin (61) central cross-section, the interior side of enclosing of enhancement layer (5) is opened and is equipped with a plurality of spouts (51), the inside sliding connection of spout (51) has slider (52), the one end that fin (61) were kept away from in buffer beam (63) is articulated with slider (52).

5. The glass fiber braided flame-retardant silicone rubber cable according to claim 1, characterized in that: the outer periphery of the reinforcing layer (5) is fixedly connected with the inner periphery of the second buffer layer (4), and a plurality of groups of uniformly distributed grooves (41) are formed in the outer periphery of the second buffer layer (4).

6. The glass fiber braided flame-retardant silicone rubber cable according to claim 5, characterized in that: the inner periphery side integrated into one piece of first buffer layer (3) has multiunit evenly distributed's arch (31), arch (31) and recess (41) looks adaptation, just the cross-sectional shape of arch (31) and recess (41) is trapezoidal.

7. The glass fiber braided flame-retardant silicone rubber cable according to claim 1, characterized in that: the shielding layer (2) is an aluminum foil shielding layer, the shielding layer (2) is tightly wrapped on the periphery of the first buffer layer (3), and the first buffer layer (3) and the second buffer layer (4) are both rail rubber components.

8. The glass fiber braided flame-retardant silicone rubber cable according to claim 1, characterized in that: the core-spun layer (6) is a heat-conducting silicone grease component, and the elastic latch (111) is an elastic plastic component.