Communication shielding cable for mining tensile resistance winding drum

Abstract

The utility model discloses a communication shielding cable for a mining tensile-resistant winding drum, and belongs to the field of communication shielding cables, the communication shielding cable comprises a conductor, the outer edge of the conductor is sleeved with a tensile layer, the outer edge of the tensile layer is sleeved with a first copper wire layer, the outer edge of the first copper wire layer is sleeved with a second copper wire layer, and the outer edge of the second copper wire layer is wound with aluminum foil. The outer edge of the second copper wire layer is evenly coated with an anti-static coating, and the outer edge of the anti-static coating is sleeved with a flame-retardant layer. The tensile layer formed by weaving aramid fibers and galvanized steel wires in a 60-degree spiral mode can effectively absorb winding impact energy and resist repeated stretching stress of a winding drum, the shielding layer formed by the first copper wire layer, the second copper wire layer and the aluminum foil is used for effectively restraining interference of a magnetic field, the stability of communication signals is guaranteed, and the bit error rate is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of communication shielding cable, in particular to the communication shielding cable for mining anti-tension reel. BACKGROUND

[0002] The mining cable is the abbreviation of coal mine cable, and the mining cable is all flame-retardant cable, which should be issued with the mining product safety sign certificate by the mining product safety sign center, and the U-shaped (M-shaped) coal mine rubber cable.

[0003] The traditional reel cable has a tensile strength of less than or equal to 1200N, and the conductor wire breaking rate is greater than 5% due to frequent winding, the average service life is less than or equal to 8 months, and the signal interference is serious. In the electromagnetic interference environment underground, the communication signal error rate is greater than or equal to 1x10-3, which causes the equipment control command delay to be greater than 200ms, and the sheath wear resistance is poor, the conventional polyvinyl chloride sheath wear amount is greater than 1.5mm / quarter, which easily causes the insulation layer exposure risk.

[0004] Therefore, the present application provides the communication shielding cable for mining anti-tension reel to solve the above problems. CONTENT OF THE INVENTION

[0005] In view of the deficiencies of the prior art, the present application provides the communication shielding cable for mining anti-tension reel, which overcomes the deficiencies of the prior art and aims to solve the problems in the background art.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: the communication shielding cable for mining anti-tension reel, comprising a conductor, an anti-tension layer is sleeved on the outer edge of the conductor, a copper wire layer one is sleeved on the outer edge of the anti-tension layer, a copper wire layer two is sleeved on the outer edge of the copper wire layer one, an aluminum foil is wound on the outer edge of the copper wire layer two, an anti-static coating is uniformly applied on the outer edge of the copper wire layer two, and a flame-retardant layer is sleeved on the outer edge of the anti-static coating.

[0007] As a preferred embodiment, the middle of the conductor and the anti-tension layer is provided with a silica gel buffer layer.

[0008] By adopting the above technical scheme, the winding impact energy can be effectively absorbed, and the durability is ensured.

[0009] As a preferred embodiment, the anti-tension layer is made of aramid fiber and galvanized steel wire by 60° spiral weaving, and the tensile strength is improved by 180%.

[0010] By adopting the above technical scheme, the repeated tensile stress of the reel can be ensured, and it will not be easily damaged after repeated stretching.

[0011] As a preferred implementation form, the thickness of the antistatic coating is 0.2 mm, the thickness of the flame-retardant layer is 2.5 mm, and the flame-retardant layer is made of polyurethane.

[0012] By adopting the above technical scheme, the flame during external combustion can be effectively intercepted, the components inside the flame-retardant layer are prevented from being damaged, the heat insulation effect is improved, and static electricity can be effectively prevented by the antistatic coating.

[0013] As a preferred implementation form, the outer side of the conductor is fixedly installed with a barrel end, and the side away from the conductor of the barrel end is fixedly installed with a magnetic ring filter.

[0014] By adopting the above technical scheme, the 5-150 kHz harmonic interference generated by the frequency converter can be effectively suppressed.

[0015] As a preferred implementation form, the conductor is twisted by a plurality of tinned copper wires.

[0016] By adopting the above technical scheme, the flexibility and conductivity can be improved.

[0017] The beneficial effects of the present application are as follows:

[0018] The mine anti-tension drum communication shielding cable, by setting the aramid fiber and the galvanized steel wire into the anti-tension layer formed by 60° spiral weaving, can effectively absorb the winding impact energy and the drum winding repeated tensile stress, and the shielding layer formed by the copper wire layer one, the copper wire layer two and the aluminum foil can effectively suppress the magnetic field interference, guarantee the stability of the communication signal, and reduce the bit error rate.

[0019] The mine anti-tension drum communication shielding cable, by setting the aramid fiber and the galvanized steel wire into the anti-tension layer formed by 60° spiral weaving, can effectively absorb the winding impact energy and the drum winding repeated tensile stress, and the shielding layer formed by the copper wire layer one, the copper wire layer two and the aluminum foil can effectively suppress the magnetic field interference, guarantee the stability of the communication signal, and reduce the bit error rate. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is a schematic diagram of the flame-retardant layer cross-section structure of the present application;

[0022] Figure 3 It is a schematic diagram of the aluminum foil structure of the present application;

[0023] Figure 4 It is a schematic diagram of the copper wire layer one and copper wire layer two cross-section local enlarged structure of the present application;

[0024] Figure 5 It is a schematic diagram of the expansion structure of the present application.

[0025] The figure label: 1, conductor; 2, silica gel buffer layer; 3, tensile layer; 4, copper wire layer one; 5, copper wire layer two; 6, aluminum foil; 7, antistatic coating; 8, flame retardant layer; 9, barrel end; 10, magnetic ring filter. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments.

[0027] Reference Figures 1-5 The mining tensile reel communication shielding cable comprises a conductor 1, the outer edge of the conductor 1 is sleeved with a tensile layer 3, the outer edge of the tensile layer 3 is sleeved with a copper wire layer one 4, the outer edge of the copper wire layer one 4 is sleeved with a copper wire layer two 5, the outer edge of the copper wire layer two 5 is wound with an aluminum foil 6, the outer edge of the copper wire layer two 5 is evenly coated with an antistatic coating 7, and the outer edge of the antistatic coating 7 is sleeved with a flame retardant layer 8.

[0028] Reference Figure 5 The middle of the conductor 1 and the tensile layer 3 is provided with a silica gel buffer layer 2, so that the winding impact energy can be effectively absorbed, and the durability is guaranteed.

[0029] Reference Figure 4 The tensile layer 3 is made of aramid fiber and galvanized steel wire by 60° spiral weaving, the tensile strength is improved by 180%, so that the repeated tensile stress of the reel can be resisted, and the reel will not be easily damaged after repeated stretching.

[0030] Reference Figure 2 The thickness of the antistatic coating 7 is 0.2 mm, the thickness of the flame retardant layer 8 is 2.5 mm, and the flame retardant layer 8 is made of polyurethane material, so that the flame outside can be effectively intercepted when burning, the components inside the flame retardant layer 8 will not be damaged, the heat insulation effect is improved, and the static electricity can be effectively prevented by the antistatic coating 7.

[0031] Reference Figure 1 The outer side of the conductor 1 is fixedly installed with a barrel end 9, and the side away from the conductor 1 of the barrel end 9 is fixedly installed with a magnetic ring filter 10, so that the 5-150 kHz harmonic interference generated by the frequency converter can be effectively suppressed.

[0032] Reference Figure 5 The conductor 1 is made of multiple strands of tinned copper wire, so that the flexibility and conductivity can be improved.

[0033] Working principle: first can be set to the outer edge of the conductor 1 silica gel buffer layer 2, then can be set to the outer edge of the silica gel buffer layer 2 of the success of the tensile layer 3, in turn can effectively absorb the impact energy and resistance to drum repeated tensile stress, and can effectively inhibit the interference of the magnetic field by the shielding layer formed by the copper wire layer one 4, copper wire layer two 5 and aluminum foil 6, through the flame retardant layer 8 can effectively intercept the flame when the external combustion, protect the components inside the flame retardant layer 8 from being damaged, improve the heat insulation effect, and use the antistatic coating 7 to effectively prevent static electricity.

[0034] In the description of the utility model, it is necessary to explain that the direction or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the direction or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0035] In the description of the utility model, it is necessary to explain that, unless otherwise expressly provided and limited, the terms "installation", "provided with", "connection" and the like should be broadly understood, for example, "connection", which can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0036] The utility model has been described above in combination with specific embodiments, but those skilled in the art should know that these descriptions are all exemplary and are not a limitation on the protection scope of the utility model. Those skilled in the art can make various modifications and modifications to the utility model according to the spirit and principle of the utility model, and these modifications and modifications are also within the scope of the utility model.

Claims

1. Communication shielded cable for use in a mine against tensile forces on the reel, comprising a conductor (1), characterized in that, The outer edge of the conductor (1) is sleeved with a tensile layer (3), the outer edge of the tensile layer (3) is sleeved with a copper wire layer one (4), the outer edge of the copper wire layer one (4) is sleeved with a copper wire layer two (5), the outer edge of the copper wire layer two (5) is wound with an aluminum foil (6), the outer edge of the copper wire layer two (5) is evenly smeared with an antistatic coating (7), and the outer edge of the antistatic coating (7) is sleeved with a flame-retardant layer (8).

2. The communication shielded cable for mine resistance to tension winch according to claim 1, characterized by, The middle of the conductor (1) and the tensile layer (3) is provided with a silica gel buffer layer (2).

3. The communication shielded cable for mine resistance to pull force on reel according to claim 1, characterized in that, The tensile layer (3) is made of aramid fiber and galvanized steel wire by 60° spiral weaving, and the tensile strength is increased by 180%.

4. The communication shielded cable for mine resistance to pull force on the reel according to claim 1, characterized by, The thickness of the antistatic coating (7) is 0.2mm, the thickness of the flame-retardant layer (8) is 2.5mm, and the flame-retardant layer (8) is made of polyurethane material.

5. The communication shielded cable for mine pull-tension reel of claim 1, wherein, The outer side of the conductor (1) is fixedly installed with a barrel end (9), and the side, away from the conductor (1), of the barrel end (9) is fixedly installed with a magnetic ring filter (10).

6. The communication shielded cable for mine resistance to pull force on the reel according to claim 1, characterized by, The conductor (1) is made of multiple strands of tinned copper wire.

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