Mining light-emitting flexible cable for outdoor towing

Abstract

The utility model relates to a mining light-emitting flexible cable for outdoor towing, which comprises three power wire cores, and an outer protective layer is extruded outside the three power wire cores to form a cable. Each power wire core comprises a cable conductor, and an ethylene-propylene insulating layer is extruded outside the cable conductor to form the power wire core; a semi-conductive belt is wrapped outside the power wire core; a composite braided shielding layer is arranged on the outer side of the semi-conductive belt to form a composite braided shielding wire core; three composite braided shielding wire cores form a cabling wire core; the cabling wire core is externally wrapped with an LED soft lamp strip in a gap manner, and the LED soft lamp strip is externally extruded with an outer protective layer; the LED soft lamp strip comprises a positive electrode wire and a negative electrode wire, and the LED lamp beads are connected with the positive electrode wire and the negative electrode wire through connecting wires. According to the mining light-emitting flexible cable for open-air towing, the lamp strip is additionally arranged in the cable, so that the position of the cable can be prompted in a long distance at night, vehicle rolling compaction is prevented, cable damage is reduced, and the service life of the cable is prolonged.

Description

Technical Field

[0001] The utility model relates to a cable, in particular to a mining luminous soft cable for open-air towing. Background Art

[0002] In recent years, with the recovery of resource-based ore prices, the use of open-pit mining cables has continued to increase. Due to the harsh mining environment, the cable life is very short. However, after on-site inspections of open-pit towing mining cables, many damages occur at night when human vision cannot identify them. Vehicle mis-pressing or heavy objects impacting the cables cause irreparable physical damage to the cables, resulting in the short life of open-pit towing mining rubber-sheathed soft cables. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a mining luminous soft cable for open-air towing which has a simple structure, can prevent vehicles from running over it, reduces cable damage, and prolongs the service life of the cable.

[0004] The technical solution adopted by the utility model is:

[0005] A kind of mining luminous soft cable for open-air towing,

[0006] It includes three power line cores, and the outer sheath is extruded outside the three power line cores into a cable;

[0007] The power line core includes: a cable conductor, and an EPDM insulation layer is extruded outside the cable conductor to form the power line core;

[0008] The power line core is wrapped with a semi-conductive tape; a composite braided shielding layer is arranged outside the semi-conductive tape to form a composite braided shielding line core;

[0009] Three composite braided shielded wire cores form the cable core;

[0010] The LED soft light strip is wrapped around the gap outside the cable core, and the outer sheath is extruded outside the LED soft light strip;

[0011] The LED soft light strip includes: a positive wire and a negative wire, and the LED lamp beads are connected to the positive wire and the negative wire through the connecting wire;

[0012] The diameter of the connecting wire is less than 0.01 mm.

[0013] The cable is deformed by accidental pressure from a vehicle or impact from a heavy object, and the connecting wires are easily broken by the tensile force. The dependent LED lamp beads go out, indicating that the cable is damaged. If the cable can work normally, the crushed area needs to be protected to prevent the cable from being damaged again at this point.

[0014] Preferably, the LED soft light strip is intermittently spirally wrapped outside the cable core, and the wrapping pitch is 4.5 times the outer diameter of the cable.

[0015] Preferably, the outer protective layer is a polyurethane sheath, and the color of the polyurethane sheath is transparent.

[0016] Preferably, the cable conductor is a tinned conductor of Category 6 cable.

[0017] Preferably, the semi-conductive tape is a Tetoron semi-conductive tape;

[0018] The volume resistivity of the semi-conductive tape is: at 23+3°C, the volume resistivity is ≤20Ωm.

[0019] Preferably, the composite braided shield is a mixed braid of tinned copper wire and fiber wire, with half tinned copper wire and half fiber wire, the tinned copper wire is braided to the right, and the fiber wire is braided to the left; the braiding pitch is ≤4.5 times the pitch diameter of the braided shielding layer.

[0020] Preferably, the tinned copper wire in the composite braided shield is 7 / 0.3 as one strand, the strands are twisted in the right direction, and the twisting pitch is 9 to 11 mm.

[0021] A kind of mining luminous soft cable for open-air towing,

[0022] It includes three power line cores, and the outer sheath is extruded outside the three power line cores into a cable;

[0023] The power line core includes: a cable conductor, and an EPDM insulation layer is extruded outside the cable conductor to form the power line core;

[0024] The power line core is wrapped with a semi-conductive tape; a composite braided shielding layer is arranged outside the semi-conductive tape to form a composite braided shielding line core;

[0025] Three composite braided shielded wire cores form the cable core;

[0026] The LED soft light strip is wrapped around the gap outside the cable core, and the outer sheath is extruded outside the LED soft light strip;

[0027] The LED soft light strip includes: a positive wire and a negative wire, and the LED lamp beads are connected to the positive wire and the negative wire through the connecting wire;

[0028] The connecting wire is provided with a movable contact, and the movable contact comprises an arc-shaped contact seat and a ball-shaped contact;

[0029] The movable contact is subjected to external force, and the star contact is separated from the arc-shaped contact seat.

[0030] The beneficial effects of the utility model compared with the prior art are as follows:

[0031] The utility model discloses a mining luminous soft cable for open-air towing, by adding a light belt inside the cable, which can indicate the cable position over a long distance at night, prevent vehicles from running over it, reduce cable damage, and increase the service life of the cable.

[0032] The utility model discloses a luminous soft cable for open-air towing mining. When the open-air towing mining cable is used at night, the cable can emit light as a whole, replacing traditional reflective tapes and fluorescent strips, so as to determine the position without lighting conditions. It plays a role of prompting and early warning, prevents vehicles from running over it, reduces cable damage, and increases the service life of the cable. The cable sheath is a transparent polyurethane sheath, which can both protect the internal LED light strip and transmit the internal light source to the outside.

[0033] The utility model discloses a mining luminous soft cable for open-air towing, and the LED soft light strip comprises: a positive wire and a negative wire, and LED lamp beads are connected to the positive wire and the negative wire through connecting wires; the connecting wires have a very small diameter, and can only withstand very small pulling force and torsional force, the cable is deformed by the impact of vehicle mis-pressure or heavy objects, the connecting wire is easily broken by the tensile force, and the corresponding LED lamp beads are extinguished, indicating that the cable is damaged. When the cable can work normally, the crushed part needs to be protected to prevent the cable from being damaged again at this place, thereby extending the service life of the cable.

[0034] The utility model discloses a mining luminous soft cable for open-air towing, and a connecting wire is provided with a movable contact, and the movable contact comprises an arc-shaped contact seat and a star contact; when the movable contact is subjected to external force, the star contact separates from the arc-shaped contact seat, indicating that the cable is damaged; if the cable is subjected to less external force, the movable contact returns to its original state after the external force is eliminated, and the corresponding LED lamp beads continue to light up; otherwise, the LED lamp beads are permanently extinguished, indicating that the cable is severely damaged at this point; when the cable can work normally, the crushed part needs to be protected to prevent the cable from being damaged again at this point, thereby extending the service life of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of the utility model of a mining luminous soft cable for open-air towing;

[0036] Figure 2 This is a schematic diagram of the LED soft light strip structure of the utility model of the open-air towing mining luminous soft cable;

[0037] Figure 3 This is a schematic diagram of the normal state of the active contacts of the LED soft light strip connecting the wires of the utility model for open-air towing mining luminous soft cable;

[0038] Figure 4The utility model is a schematic diagram of a deformation state of a movable contact of a connecting wire of an LED soft light belt of a mining luminous soft cable for open-air towing after being subjected to an external force.

[0039] Description of the main components in the attached drawings:

[0040] In the figure:

[0041] 1. Cable conductor 2. Ethylene propylene insulation layer

[0042] 3. Semi-conductive tape 4. Composite braided shielding layer

[0043] 5. LED soft light strip 6. Outer sheath

[0044] 7. Arc-shaped contact seat 8. Star contact

[0045] 9. Activity contacts. DETAILED DESCRIPTION

[0046] The present invention is described in detail below with reference to the accompanying drawings and embodiments:

[0047] Attached Figure 1-4 It can be seen that a kind of open-air towing mining luminous soft cable,

[0048] It includes three power line cores, and the outer sheath is extruded outside the three power line cores into a cable;

[0049] The power line core comprises: a cable conductor 1, and an EPDM insulation layer 2 is extruded outside the cable conductor 1 to form the power line core;

[0050] The power core is wrapped with a semi-conductive tape 3; a composite braided shielding layer 4 is arranged outside the semi-conductive tape to form a composite braided shielding core;

[0051] Three composite braided shielded wire cores form the cable core;

[0052] The LED soft light strip 5 is wrapped around the gap outside the cable core, and an outer sheath 6 is extruded outside the LED soft light strip;

[0053] The LED soft light strip includes: a positive wire and a negative wire, and the LED lamp beads are connected to the positive wire and the negative wire through the connecting wire;

[0054] The diameter of the connecting wire is less than 0.01 mm.

[0055] The cable is deformed by accidental pressure from a vehicle or impact from a heavy object, and the connecting wires are easily broken by the tensile force. The dependent LED lamp beads go out, indicating that the cable is damaged. If the cable can work normally, the crushed area needs to be protected to prevent the cable from being damaged again at this point.

[0056] Preferably, the LED soft light strip is intermittently spirally wrapped outside the cable core, and the wrapping pitch is 4.5 times the outer diameter of the cable.

[0057] Preferably, the outer protective layer is a polyurethane sheath, and the color of the polyurethane sheath is transparent.

[0058] Preferably, the cable conductor is a tinned conductor of Category 6 cable.

[0059] Preferably, the semi-conductive tape is a Tetoron semi-conductive tape;

[0060] The semi-conductive tape has a semi-conductive logo printed on the outside: “SEMI-CONDUCTIVE TAPE-REMOVE WHEN TERMINATING OR SPLICING”.

[0061] The volume resistivity of the semi-conductive tape is: at 23+3°C, the volume resistivity is ≤20Ωm.

[0062] Preferably, the composite braided shield is a mixed braid of tinned copper wire and fiber wire, with half tinned copper wire and half fiber wire, the tinned copper wire is braided to the right, and the fiber wire is braided to the left; the braiding pitch is ≤4.5 times the pitch diameter of the braided shielding layer.

[0063] Preferably, the tinned copper wire in the composite braided shield is 7 / 0.3 as one strand, the strands are twisted in the right direction, and the twisting pitch is 9 to 11 mm.

[0064] The color of the polyurethane sheath is transparent. In order to ensure the light transmittance of the LED lamp, specific requirements are required for the transparency of the sheath material. For the 2mm thick polyurethane sample, the fire source used in the test should comply with the provisions of Chapter 6 of IEC 61034-1, requiring a light transmittance of ≥0.8, as follows;

[0065] λ=I0 / I t

[0066] I0-intensity of incident light;

[0067] I t - the intensity of the transmitted light;

[0068] λ-transmittance.

[0069] A kind of mining luminous soft cable for open-air towing,

[0070] It includes three power line cores, and the outer sheath is extruded outside the three power line cores into a cable;

[0071] The power line core comprises: a cable conductor 1, and an EPDM insulation layer 2 is extruded outside the cable conductor 1 to form the power line core;

[0072] The power core is wrapped with a semi-conductive tape 3; a composite braided shielding layer 4 is arranged outside the semi-conductive tape to form a composite braided shielding core;

[0073] Three composite braided shielded wire cores form the cable core;

[0074] The LED soft light strip 5 is wrapped around the gap outside the cable core, and an outer sheath 6 is extruded outside the LED soft light strip;

[0075] The LED soft light strip includes: a positive wire and a negative wire, and the LED lamp beads are connected to the positive wire and the negative wire through the connecting wire;

[0076] The connecting wire is provided with a movable contact 9, which comprises an arc-shaped contact seat 7 and a ball-shaped contact 8;

[0077] The movable contact is subjected to external force, and the star contact is separated from the arc-shaped contact seat.

[0078] The utility model discloses a mining luminous soft cable for open-air towing, by adding a light belt inside the cable, which can indicate the cable position over a long distance at night, prevent vehicles from running over it, reduce cable damage, and increase the service life of the cable.

[0079] The utility model discloses a luminous soft cable for open-air towing mining. When the open-air towing mining cable is used at night, the cable can emit light as a whole, replacing traditional reflective tapes and fluorescent strips, so as to determine the position without lighting conditions. It plays a role of prompting and early warning, prevents vehicles from running over it, reduces cable damage, and increases the service life of the cable. The cable sheath is a transparent polyurethane sheath, which can both protect the internal LED light strip and transmit the internal light source to the outside.

[0080] The utility model discloses a mining luminous soft cable for open-air towing, and the LED soft light strip comprises: a positive wire and a negative wire, and LED lamp beads are connected to the positive wire and the negative wire through connecting wires; the connecting wires have a very small diameter, and can only withstand very small pulling force and torsional force, the cable is deformed by the impact of vehicle mis-pressure or heavy objects, the connecting wire is easily broken by the tensile force, and the corresponding LED lamp beads are extinguished, indicating that the cable is damaged. When the cable can work normally, the crushed part needs to be protected to prevent the cable from being damaged again at this place, thereby extending the service life of the cable.

[0081] The utility model discloses a mining luminous soft cable for open-air towing, and a connecting wire is provided with a movable contact, and the movable contact comprises an arc-shaped contact seat and a star contact; when the movable contact is subjected to external force, the star contact separates from the arc-shaped contact seat, indicating that the cable is damaged; if the cable is subjected to less external force, the movable contact returns to its original state after the external force is eliminated, and the corresponding LED lamp beads continue to light up; otherwise, the LED lamp beads are permanently extinguished, indicating that the cable is severely damaged at this point; when the cable can work normally, the crushed part needs to be protected to prevent the cable from being damaged again at this point, thereby extending the service life of the cable.

[0082] The above is only a preferred embodiment of the utility model, and does not limit the structure of the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model are within the scope of the technical solution of the utility model.

Claims

1. A mining luminous flexible cable for open-air towing, characterized by: It includes three power line cores, and the outer sheath is extruded outside the three power line cores into a cable; The power line core comprises: a cable conductor (1), wherein the cable conductor (1) is extruded with an EPDM insulation layer (2) to form the power line core; A semi-conductive tape (3) is wrapped around the power line core; a composite braided shielding layer (4) is arranged outside the semi-conductive tape to form a composite braided shielding line core; Three composite braided shielded wire cores form the cable core; The LED soft light strip (5) is wrapped around the gap outside the cable core, and an outer sheath (6) is extruded outside the LED soft light strip; The LED soft light strip includes: a positive wire and a negative wire, and the LED lamp beads are connected to the positive wire and the negative wire through the connecting wire; The diameter of the connecting wire is less than 0.01 mm.

2. According to claim 1, the open-air towing mining luminous flexible cable is characterized by: The LED soft light strip is intermittently spirally wrapped outside the cable core, and the wrapping pitch is 4.5 times the outer diameter of the cable.

3. The open-air towing mining luminous flexible cable according to claim 1 is characterized in that: The outer sheath is a polyurethane sheath, and the color of the polyurethane sheath is transparent.

4. The open-air towing mining luminous flexible cable according to claim 1 is characterized in that: The cable conductor is a tinned conductor of Category 6 cable.

5. The open-air towing mining luminous flexible cable according to claim 1 is characterized in that: The semi-conductive tape is a Tetoron semi-conductive tape; The volume resistivity of the semi-conductive tape is: at 23+3°C, the volume resistivity is ≤20Ωm.

6. The open-air towing mining luminous flexible cable according to claim 1 is characterized in that: The composite braided shield is a mixed braid of tinned copper wire and fiber wire, with the tinned copper wire and fiber wire each being half, the tinned copper wire being braided in the right direction and the fiber wire being braided in the left direction; the braiding pitch is ≤4.5 times the pitch diameter of the braided shielding layer.

7. The open-air towing mining luminous flexible cable according to claim 1 is characterized in that: The tinned copper wire in the composite braided shield is 7 / 0.3 and is a strand. The strand is twisted in the right direction and has a twist pitch of 9 to 11 mm.

8. A mining luminous flexible cable for open-air towing, characterized in that: It includes three power line cores, and the outer sheath is extruded outside the three power line cores into a cable; The power line core comprises: a cable conductor (1), wherein the cable conductor (1) is extruded with an EPDM insulation layer (2) to form the power line core; A semi-conductive tape (3) is wrapped around the power line core; a composite braided shielding layer (4) is arranged outside the semi-conductive tape to form a composite braided shielding line core; Three composite braided shielded wire cores form the cable core; The LED soft light strip (5) is wrapped around the gap outside the cable core, and an outer sheath (6) is extruded outside the LED soft light strip; The LED soft light strip includes: a positive wire and a negative wire, and the LED lamp beads are connected to the positive wire and the negative wire through the connecting wire; The connecting wire is provided with a movable contact (10), and the movable contact comprises an arc-shaped contact seat (8) and a ball-shaped contact (9); The movable contact is subjected to external force, and the star contact is separated from the arc-shaped contact seat.

Images