CN111736284A - Mining photoelectricity mixed loading cable and flame-proof cable leading-in device thereof - Google Patents
Mining photoelectricity mixed loading cable and flame-proof cable leading-in device thereof Download PDFInfo
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- CN111736284A CN111736284A CN202010732412.XA CN202010732412A CN111736284A CN 111736284 A CN111736284 A CN 111736284A CN 202010732412 A CN202010732412 A CN 202010732412A CN 111736284 A CN111736284 A CN 111736284A
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- Prior art keywords
- cable
- proof
- explosion
- mining
- optical
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/183—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of an outer sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Abstract
The invention belongs to the field of coal mine equipment, and relates to a mining photoelectric mixed cable and an explosion-proof cable leading-in device thereof, which comprise a cable body, an optical cable part and more than 2 cable parts, wherein the optical cable part and the explosion-proof cable leading-in device are arranged in the cable body; the cable part comprises a cable and an armored steel cable arranged on the periphery of the cable, and the optical cable part comprises an optical cable, and a spiral sleeve and a reinforcing sleeve which are sequentially arranged on the periphery of the optical cable. The invention can respectively meet the technical requirements of communication composite (electric cable and optical cable) cables for mines, and on one hand, the invention can be used for photoelectric hybrid power supply communication of intelligent sensors for mines, underground explosion-proof cameras or backbone network lap joint and the like; the mine fire early warning and monitoring system has the advantages of excellent transmission medium perfectly matched with the mine fire early warning and monitoring system, strong tensile capacity, high lateral pressure resistance and good fireproof performance, and is suitable for being used under severe underground conditions.
Description
Technical Field
The invention belongs to the field of coal mine equipment, and relates to a mining photoelectric mixed cable and an explosion-proof cable leading-in device thereof.
Background
Under the mine, in relatively closed space occasions such as a roadway, a vertical shaft, a goaf and a cable tunnel, the underground safety situation of the coal mine is still severe by more and more widely applying optical fiber cables as a transmission optical fiber communication, monitoring and control system, and on the basis of the traditional threat, along with the expansion of large-scale equipment and automation, intellectualization and a new generation high-speed 5G, wifi6 system main line, various special cables are more and more popularized and applied under the coal mine, so that the urgent need exists for clearly relating to that the mining photoelectric mixed cable can be used for photoelectric mixed power supply communication of mining electrical equipment, underground explosion-proof cameras or main network lap joint and the like; the cable can be matched with a mining fire early warning and monitoring system perfectly to form an excellent transmission medium, has the advantages of strong tensile strength, high lateral pressure resistance, good fireproof performance and the like, and is suitable for special multifunctional cables used under severe underground conditions.
Disclosure of Invention
In view of the above, the invention aims to provide a mining photoelectric mixed cable and an explosion-proof cable lead-in device thereof, which meet the technical requirements of mining communication composite cables, and are strong in tensile strength and high in lateral pressure resistance.
In order to achieve the purpose, the invention provides the following technical scheme: a mining photoelectric mixed cable comprises a cable body, an optical cable part and more than 2 cable parts, wherein the optical cable part and the more than 2 cable parts are arranged in the cable body;
the cable part comprises a cable and an armored steel cable arranged on the periphery of the cable, and the optical cable part comprises an optical cable, and a spiral sleeve and a reinforcing sleeve which are sequentially arranged on the periphery of the optical cable.
Optionally, the cable body is flat, and the optical cable portion is disposed in the center of the cable body.
Optionally, when the number of the cable parts is even, the plurality of cable parts are symmetrically arranged on two sides of the optical cable part along the straight edge of the flat cable body.
Optionally, when the number of the cable parts is odd, the plurality of cable parts are uniformly arranged on two sides of the optical cable part along the straight edge of the flat cable body respectively.
Optionally, a sheath is further disposed in the cable body, and the sheath is made of a high-flame-retardant material.
Optionally, the armored steel cable is galvanized steel strand or stainless steel strand.
Optionally, the reinforcing sleeve is a kevlar reinforcing sleeve.
A flame-proof cable leading-in device is applied to the mining photoelectric mixed cable, and comprises a flame-proof shell matched with a cable body and flame-proof compression nuts arranged at two ends of the flame-proof shell; the explosion-proof device also comprises a sealing ring arranged at the leading-in end of the explosion-proof shell.
Optionally, the sealing ring includes an inner hole used with the cable body, and a gap between the size of the cable body and the inner hole of the sealing ring is not more than 0.5 mm.
The invention has the beneficial effects that:
1. the invention relates to a mining photoelectric mixed cable and an explosion-proof cable leading-in device thereof, which can be used for photoelectric mixed power supply communication of mining electrical equipment, overlap joint of an underground explosion-proof camera or a backbone network and the like; and the fire alarm monitoring system can also be matched with a mining fire alarm monitoring system perfectly.
2. According to the mining photoelectric mixed cable and the flame-proof cable leading-in device thereof, the cable protection has high impact resistance for an optical fiber part, the appearance is in a flat design, the middle of the cable part with the armored steel cable and the steel cable tightly wrapped at two sides is arranged on the optical cable, and the mining photoelectric mixed cable has the advantages of strong tensile capacity, high side pressure resistance strength, good fireproof performance and the like, and is suitable for being used under severe underground conditions.
3. According to the mining photoelectric mixed cable and the flame-proof cable leading-in device thereof, the optical cable part in the center of the photoelectric mixed cable has a smaller outer diameter of the sheath (the cable body is designed to be flat, so that the diameter size of the center is reduced), the photoelectric mixed cable can be conveniently used for an optical fiber sensing temperature measuring system as a temperature sensing optical cable, the temperature detection as the temperature sensing optical cable is quicker, and the sensing detection precision is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a cross-sectional view of a mining photoelectric hybrid cable according to the present invention;
FIG. 2 is a schematic structural diagram of an explosion-proof cable lead-in device of the present invention.
Reference numerals: the cable comprises an armored steel cable 1, an optical cable 2, a spiral sleeve 3, a Kevlar reinforcing sleeve 4, a sheath 5, a cable 6, an explosion-proof compression nut 7, a sealing ring 8 and an explosion-proof shell 9.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 2, a mining photoelectric mixed cable includes a cable body, an optical cable part and 2 cable parts, the optical cable part and the 2 cable parts are disposed in the cable body, a sheath 5 is further disposed in the cable body, and the sheath 5 is made of a high flame retardant material;
the cable part comprises a cable 6 and an armored steel cable 1 arranged on the periphery of the cable 6, and the optical cable part comprises an optical cable 2, and a spiral sleeve 3 and a reinforcing sleeve which are sequentially arranged on the periphery of the optical cable 2.
In this embodiment, the armored steel cable 1 is made of galvanized steel strands or stainless steel strands, so as to ensure mechanical strength and flexibility of the cable.
In this embodiment, the spiral casing 3 is made of stainless steel, which ensures high mechanical strength and good lateral pressure resistance of the optical cable, and fully ensures the usability and the service life of the optical cable 2.
In this embodiment, the cable body is provided in a flat shape, the optical cable part is provided in the center of the cable body, the 2 cable parts are symmetrically provided on both sides of the optical cable part along the straight edge of the flat cable body, and when the cable part is subjected to impact or tension from an external force, the cable part arranged on both sides is firstly subjected to pressure or tension.
In the present embodiment, the Kevlar reinforcing sleeve 4 is used as the reinforcing sleeve.
A flame-proof cable lead-in device is applied to the mining photoelectric mixed cable, and comprises a flame-proof shell 9 and flame-proof compression nuts 7, wherein the flame-proof shell 9 is matched with a cable body; the flame-proof device also comprises a sealing ring 8 arranged at the leading-in end of the flame-proof shell 9; the sealing ring 8 comprises an inner hole matched with the cable body, and the gap between the size of the cable body and the inner hole of the sealing ring 8 is not more than 0.5 mm.
The invention can respectively meet the technical requirements of the communication composite (cable 6 and optical cable 2) cable for the mine, and on one hand, the invention can be used for photoelectric hybrid power supply communication of a mining intelligent sensor, an underground explosion-proof camera or backbone network lap joint and the like; and the fire alarm monitoring system can also be matched with a mining fire alarm monitoring system perfectly.
The cable protection of the invention has high impact resistance for the optical fiber part, the appearance is designed in a flat shape, the optical cable 2 is arranged between the cable parts which are provided with the armored steel cable 1 and the steel cable tightly packaged at two sides, and the invention has the advantages of strong tensile capability, high lateral pressure resistance, good fireproof performance and the like, and is suitable for being used under severe underground conditions.
The optical cable part at the center of the photoelectric mixed cable has a smaller outer diameter of the sheath 5 (the cable body is designed to be flat, so that the diameter size of the center is reduced), can be conveniently used for an optical fiber sensing temperature measuring system as a temperature sensing optical cable 2, is used as the temperature sensing optical cable 2 for more quickly detecting the temperature, and improves the sensing detection precision.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a mining photoelectricity loads in mixture cable which characterized in that: the cable comprises a cable body, an optical cable part and more than 2 cable parts, wherein the optical cable part and the more than 2 cable parts are arranged in the cable body;
the cable part comprises a cable and an armored steel cable arranged on the periphery of the cable, and the optical cable part comprises an optical cable, and a spiral sleeve and a reinforcing sleeve which are sequentially arranged on the periphery of the optical cable.
2. The mining photoelectric mixed cable according to claim 1, characterized in that: the cable body is flat, and the optical cable part is arranged in the center of the cable body.
3. The mining photoelectric mixed cable according to claim 2, characterized in that: when the number of the cable parts is even, the cable parts are symmetrically arranged on two sides of the optical cable part along the straight edge of the flat cable body.
4. The mining photoelectric mixed cable according to claim 2, characterized in that: when the number of the cable parts is odd, the cable parts are uniformly arranged on two sides of the optical cable part along the straight edge of the flat cable body respectively.
5. The mining photoelectric mixed cable according to claim 1, characterized in that: the cable body is also internally provided with a sheath which is made of high flame retardant material.
6. The mining photoelectric mixed cable according to claim 1, characterized in that: the armored steel cable is a galvanized steel strand or a stainless steel strand.
7. The mining photoelectric mixed cable according to claim 1, characterized in that: the reinforcing sleeve is a Kevlar reinforcing sleeve.
8. An explosion-proof cable leading-in device is applied to the mining photoelectric mixed cable according to any one of claims 1-7, and is characterized in that: the cable comprises an explosion-proof shell matched with a cable body and explosion-proof compression nuts arranged at two ends of the explosion-proof shell; the explosion-proof device also comprises a sealing ring arranged at the leading-in end of the explosion-proof shell.
9. The mining photoelectric mixed cable according to claim 6, characterized in that: the sealing washer includes the hole that uses with the cooperation of cable body, and the hole clearance of the size of cable body and sealing washer is no longer than 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010732412.XA CN111736284A (en) | 2020-07-27 | 2020-07-27 | Mining photoelectricity mixed loading cable and flame-proof cable leading-in device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010732412.XA CN111736284A (en) | 2020-07-27 | 2020-07-27 | Mining photoelectricity mixed loading cable and flame-proof cable leading-in device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111736284A true CN111736284A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010732412.XA Pending CN111736284A (en) | 2020-07-27 | 2020-07-27 | Mining photoelectricity mixed loading cable and flame-proof cable leading-in device thereof |
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| CN (1) | CN111736284A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203480091U (en) * | 2013-08-29 | 2014-03-12 | 河北乾源通信设备有限公司 | Micro pipe joint for micro cable protection |
| CN104409160A (en) * | 2014-12-11 | 2015-03-11 | 江苏通鼎光电股份有限公司 | Opto-electric composite cable for AOC |
| US20150235742A1 (en) * | 2012-09-27 | 2015-08-20 | Dow Global Technologies Llc | Metallized Optical Fiber |
| CN206627662U (en) * | 2017-03-15 | 2017-11-10 | 东莞市光佳光电科技有限公司 | A kind of twin-core straining sensing optical cable |
| CN209119755U (en) * | 2018-12-18 | 2019-07-16 | 西安煤矿机械有限公司 | A kind of coalcutter flame-proof type terminal through walls |
| CN209297778U (en) * | 2018-11-28 | 2019-08-23 | 江苏巨量光电科技有限公司 | Fibre Optical Sensor composite cable for mine monitoring |
| CN209674064U (en) * | 2019-03-20 | 2019-11-22 | 东莞市光佳光电科技有限公司 | Coal mine flame-retardant temperature sensing optical cable |
| CN210271843U (en) * | 2019-08-30 | 2020-04-07 | 深圳市轩瑞光电技术有限公司 | Electromagnetic shielding type tensile hybrid cable |
-
2020
- 2020-07-27 CN CN202010732412.XA patent/CN111736284A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150235742A1 (en) * | 2012-09-27 | 2015-08-20 | Dow Global Technologies Llc | Metallized Optical Fiber |
| CN203480091U (en) * | 2013-08-29 | 2014-03-12 | 河北乾源通信设备有限公司 | Micro pipe joint for micro cable protection |
| CN104409160A (en) * | 2014-12-11 | 2015-03-11 | 江苏通鼎光电股份有限公司 | Opto-electric composite cable for AOC |
| CN206627662U (en) * | 2017-03-15 | 2017-11-10 | 东莞市光佳光电科技有限公司 | A kind of twin-core straining sensing optical cable |
| CN209297778U (en) * | 2018-11-28 | 2019-08-23 | 江苏巨量光电科技有限公司 | Fibre Optical Sensor composite cable for mine monitoring |
| CN209119755U (en) * | 2018-12-18 | 2019-07-16 | 西安煤矿机械有限公司 | A kind of coalcutter flame-proof type terminal through walls |
| CN209674064U (en) * | 2019-03-20 | 2019-11-22 | 东莞市光佳光电科技有限公司 | Coal mine flame-retardant temperature sensing optical cable |
| CN210271843U (en) * | 2019-08-30 | 2020-04-07 | 深圳市轩瑞光电技术有限公司 | Electromagnetic shielding type tensile hybrid cable |
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| PB01 | Publication | ||
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Application publication date: 20201002 |