CN212990714U - Dragging cable for underground mining engineering - Google Patents
Dragging cable for underground mining engineering Download PDFInfo
- Publication number
- CN212990714U CN212990714U CN202022147566.0U CN202022147566U CN212990714U CN 212990714 U CN212990714 U CN 212990714U CN 202022147566 U CN202022147566 U CN 202022147566U CN 212990714 U CN212990714 U CN 212990714U
- Authority
- CN
- China
- Prior art keywords
- wire core
- cable
- core
- conductor
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Communication Cables (AREA)
Abstract
The utility model discloses an aboveground mining engineering is with dragging cable, its main points are: the cable comprises a main cable core, a monitoring cable core, center filling, a control cable core, an optical cable, a ground cable core, a reinforcing layer and an outer sheath. The main wire core conductor is formed by twisting a plurality of tinned copper wire bundles and then twisting the tinned copper wire bundles again. The main wire core insulating layer is made by continuously vulcanizing ethylene propylene rubber, and is extruded outside the main wire core conductor. The shielding layer comprises a braided shielding layer and a wrapping shielding layer. The semiconductive nylon belt is wrapped outside the braided shielding layer to form a wrapped shielding layer. The monitoring wire core is provided with a monitoring wire core conductor and a monitoring wire core insulating layer in turn from inside to outside along the radial direction of the monitoring wire core. The monitoring wire core conductor is formed by twisting a nylon rope and a conductor. The center filling adopts a saddle-shaped core pad, and the saddle-shaped core pad is extruded outside the monitoring wire core by adopting a semi-conductive rubber or chloroprene rubber material. The outer sheath is made of chloroprene rubber materials and is wrapped outside the 3 main wire cores, the control wire core, the optical cable, the ground wire core and the center filler which are stranded into the cable.
Description
Technical Field
The utility model relates to a power cable technical field specifically is an aboveground mining engineering is with dragging cable.
Background
The electric control technology has very important significance in coal mine production, along with the continuous improvement of the mechanization and automation degree of a coal mine, the coal mining engineering also adopts unmanned operation intellectualization, a control wire core and an optical fiber unit are required to be added in a cable, and the cable is in a moving, dragging and bending state for the ground mining engineering due to the complexity of the use working condition, so that the requirement on the optical cable is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure is favorable to increase of service life's ground mining engineering with dragging cable.
Realize the utility model discloses the basic technical scheme of purpose is: the utility model provides an aboveground mining engineering is with dragging cable, its structural feature is: the cable comprises a main cable core, a monitoring cable core, center filling, a control cable core, an optical cable, a ground cable core, a reinforcing layer and an outer sheath. The main line core has 3, and 3 main line cores's structure is the same, all radially is equipped with main line core conductor, main line core insulating layer and shielding layer from inside to outside along it separately in proper order.
The main wire core conductor is formed by twisting a plurality of tinned copper wire bundles and then twisting the tinned copper wire bundles again. The main wire core insulating layer is made by continuously vulcanizing ethylene propylene rubber, and is extruded outside the main wire core conductor. The shielding layer comprises a braided shielding layer and a wrapping shielding layer. The braided shielding layer is formed by compositely braiding one strand of braided conductor serving as braided wire and nylon yarn outside the main wire core insulating layer. The braided conductor is formed by stranding a plurality of metal monofilaments. The semiconductive nylon belt is wrapped outside the braided shielding layer to form a wrapped shielding layer. The monitoring wire core is provided with a monitoring wire core conductor and a monitoring wire core insulating layer in turn from inside to outside along the radial direction of the monitoring wire core. The monitoring wire core conductor is formed by twisting a nylon rope and a conductor. The center filling adopts a saddle-shaped core pad, and the saddle-shaped core pad is extruded outside the monitoring wire core by adopting a semi-conductive rubber or chloroprene rubber material. 3 main wire cores, control wire cores, optical cables, ground wire cores and center filling are stranded to form the cable. The control wire core, the optical cable and the ground wire core are respectively positioned in the gaps of the adjacent 2 main wire cores and are in mutual contact with the main wire cores. The outer sheath is made of chloroprene rubber materials and is wrapped outside the 3 main wire cores, the control wire core, the optical cable, the ground wire core and the center filler which are stranded into the cable.
The technical scheme based on the basic technical scheme is as follows: the monitoring wire core conductor of the monitoring wire core is formed by twisting 1 nylon rope and 4 conductors, the twisting pitch diameter ratio is 8 times when the monitoring wire core conductor is twisted, 1 nylon rope is arranged in the 4 conductors in a 1+4 structure, and the nylon rope is made of 3/5/210D nylon wires.
The technical scheme based on the corresponding technical schemes is as follows: the 4 conductors of the monitoring wire core conductor are formed by twisting 6 tinned copper wires. The nylon rope is made of 3/5/210D nylon wire.
The technical scheme based on the corresponding technical schemes is as follows: and coating talcum powder on the outer surface of the monitoring wire core.
The technical scheme based on the corresponding technical schemes is as follows: the optical cable comprises 6 optical fibers, optical fiber filling strips, an optical fiber sheath and an optical fiber wrapping layer. The optical fiber filler strip is made of neoprene material, and the diameter of the optical fiber filler strip is the same as that of the optical fiber. 6 optical fibers are stranded around the optical fiber filling strips to form a cable, and then are extruded to wrap the optical fiber sheath, and the optical fiber sheath is made of thermoplastic polyester elastomer materials. The optical fiber wrapping layer is wrapped outside the optical fiber sheath by adopting a semi-conductive nylon tape, and the wrapping and covering rate of the optical fiber wrapping layer is 10-50%.
The technical scheme based on the corresponding technical schemes is as follows: the control sinle silk includes 6 control sinle silks, control sinle silk packing, control sinle silk shielding layer and control sinle silk around the covering. The 6 control wire cores have the same structure and respectively comprise a control wire core conductor and a control wire core insulating layer. The control wire core conductor is formed by twisting a plurality of tinned copper wires. The control wire core insulating layer is extruded outside the control wire core conductor by adopting fluoroplastic or thermoplastic polyester elastomer materials. The control wire core filler strip is made of chloroprene rubber materials, and the diameter of the control wire core filler strip is the same as that of the control wire core. And 6 control wire cores are stranded into a cable around the control wire core filling strip. The control wire core shielding layer is braided outside 6 control wire cores and wire core filling strips which are stranded into a cable by adopting tinned copper wires, and the braiding coverage rate is 88-95%. The control wire core wrapping layer is wrapped outside the control wire core shielding layer by adopting a semi-conductive nylon belt, and the wrapping covering rate is 10-50%.
The technical scheme based on the corresponding technical schemes is as follows: the ground wire core comprises a ground wire core conductor and a ground wire core wrapping layer. The ground wire core conductor is formed by twisting a plurality of tinned copper wires. The ground wire core wrapping layer is wrapped outside the ground wire core conductor by a semi-conductive nylon belt.
The utility model discloses following beneficial effect has: (1) the utility model discloses an overground mining engineering is with weaving conductor after the transposition of weaving shielding layer of trailing cable shielding layer as one in the doubling, weave together with the nylon yarn, weave the back again around wrapping the semiconductive nylon belt of one deck, will weave shielding layer and oversheath and separate, be favorable to the bending, shielding reliability is good, nylon yarn material can play the effect of strengthening mechanical strength, be favorable to promoting the mechanical life of cable, and nylon yarn material can also play the effect of sinle silk discernment owing to can be different colours moreover.
(2) The utility model discloses an above-ground mining engineering is with optical cable that pulls cable adopts 0+6 transposition pattern by optic fibre filler strip and 6 multimode branch optic fibre, and crowded package thermoplastic polyester elastomer material forms the optic fibre sheath after the transposition, makes the totality external diameter of optical cable unanimous with control core and earth core external diameter, winds package one deck semiconduction nylon belt after crowded package, when ensureing the trouble, fault current can effectual access earth core. Every optic fibre twists as independent unit, compares the optical cable of current universal use, adopts many optic fibres to drag the use directly mostly, and the bending property of independent branch's optic fibre is far superior to conventional structure, is convenient for drag the use, improves the life of product.
(3) The utility model discloses an above-ground mining engineering weaves one deck tinned copper wire after with the control core transposition of dragging cable and weaves the shielding, prevents the interference of main line core to the control core. The control core is placed as a unit between 2 adjacent main core, and when its control core can ensure the trouble around the covering, fault current can effectual access earth core.
(4) Since the braided conductor, which is one strand of the braided wire of the braided shield layer, has a large outer diameter, the braided conductor cannot be stored in a sufficient length by the pirn of the braiding machine, so that welding of the braided conductor may be involved. In order to prevent the welding spots from being too dense to influence the strength of the weaving layer, the weaving wire is integrally welded, the single bundle of strands in each spindle of the pirn need to be welded at intervals of at least 3mm, the integral replacement distance of the pirn is not less than 1m, so that the conductor joint distance is ensured not to be too close to influence the integral mechanical strength, the service life of the cable is prolonged, the continuity of the cable is better, and the weaving wire can be longer.
(5) The utility model discloses an above-ground mining engineering is with keeping watch on sinle silk conductor of dragging cable adopts nylon rope and conductor to twist again and form, it is greater than the conductor strand to require unwrapping wire tension center nylon rope during the transposition, and it receives tensile extension to control within 3%, the conductor has adopted 4/6/0.2's compound twist structure, the transposition pitch ratio is 8 times during compound twisting, the nylon rope of 3/5/210D has been selected as reinforcing element, and place at the conductor center with 1+4 structural style when the conductor twists again, the experiment shows that the elongation is greater than 25% nylon wire can satisfy the tensile 15% of conductor and does not produce cracked problem.
(6) The utility model discloses an above-ground mining engineering is with center filling front surface coating talcum powder before crowded package of the monitoring sinle silk that pulls the cable, the cable uses can freely adapt to when convoluteing crooked.
(7) The utility model discloses an above-ground mining engineering is with pulling cable control sinle silk and adopting 6 control sinle silks to center on the transposition stranding of control sinle silk packing, and the centre adopts the packing and does not establish the new construction of sinle silk (the traditional mode that adopts the sinle silk at center causes the sinle silk at center to warp the damage easily, therefore the center does not set up the sinle silk), has further improved the use reliability of cable, and the use that improves the cable is crooked to pull the number of times.
(8) The utility model discloses an above-ground mining engineering is with the external diameter of control sinle silk, optical cable and the earth core that pulls the cable the same, is favorable to the holistic circularity of cable, stable in structure.
Drawings
Fig. 1 is the utility model discloses a structural schematic of ground mining engineering is with dragging cable.
Fig. 2 is an enlarged schematic view of the optical cable of fig. 1.
Fig. 3 is an enlarged structural schematic diagram of the control wire core in fig. 1.
The reference numbers in the drawings are:
a main wire core 1, a main wire core conductor 1-1, a first shielding layer 1-2, an insulating layer 1-3, a second shielding layer 1-4,
a monitor core 2, a monitor core conductor 2-1, a monitor core insulation layer 2-2,
the center-fill 3 is provided in the center,
a control wire core 4, a control wire core 4-1, a control wire core conductor 4-11, a control wire core insulating layer 4-12, a control wire core filler strip 4-2, a control wire core shielding layer 4-3, a control wire core wrapping layer 4-4,
an optical cable 5, an optical fiber 5-1, an optical fiber filler strip 5-2, an optical fiber sheath 5-3, an optical fiber wrapping layer 5-4,
a ground wire core 6, a ground wire core conductor 6-1, a ground wire core wrapping layer 6-2,
an outer sheath 7.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings. The description of the orientation of the utility model is performed according to the orientation shown in fig. 1, that is, the up-down left-right direction shown in fig. 1 is the up-down left-right direction of the description, the side towards which fig. 1 faces is the front side, and the side departing from fig. 1 is the rear side.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
It should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are used only for convenience in describing the present invention or simplifying the description, but do not indicate that a particular orientation must be provided.
(example 1)
See fig. 1, the utility model discloses an above-ground mining engineering is with dragging cable includes main core 1, supervision sinle silk 2, center packing 3, control sinle silk 4, optical cable 5, earth core 6 and oversheath 7.
Referring to fig. 1, the main wire cores 1 are provided with 3 main wire cores 1, the 3 main wire cores 1 are identical in structure, and a main wire core conductor 1-1, a main wire core insulating layer 1-2 and a shielding layer 1-3 are sequentially arranged from inside to outside along the respective radial direction.
The main wire core conductor 1-1 is formed by twisting a plurality of tinned copper wire bundles and then twisting the tinned copper wire bundles again. The main wire core insulating layer 1-2 is made of ethylene propylene rubber with the hardness of 60A-80A through continuous vulcanization, and the main wire core insulating layer 1-2 is extruded outside the main wire core conductor 1-1.
Referring to fig. 1, the shielding layers 1-3 include braided shielding layers 1-31 and wrapped shielding layers 1-32.
The braided shielding layer 1-31 is formed by taking a braided conductor 1-31-1 as one strand of braided yarn and compounding and braiding nylon yarns 1-31-2 outside the main wire core insulating layer 1-2.
The nylon yarns 1-31-2 are made of 2/240D, namely each strand of nylon yarn is formed by twisting 2 pieces of 240D nylon wires.
The braided conductor 1-31-1 is formed by twisting 7 metal monofilaments, copper monofilaments in this example, of 0.25 mm.
The semiconductive nylon belt is wrapped outside the woven shielding layers 1-31 to form wrapped shielding layers 1-32.
Referring to fig. 1, the monitoring core 2 is provided with a monitoring core conductor 2-1 and a monitoring core insulating layer 2-2 in sequence from inside to outside along the radial direction thereof. The monitoring wire core conductor 2-1 is formed by twisting 1 nylon rope and 4 conductors repeatedly, the twisting pitch diameter ratio is 8 times during the repeated twisting, the conductor is formed by twisting 6 tinned copper wires, and the 1 nylon rope is arranged in the 4 conductors in a 1+4 structure. The monitoring wire core insulating layer 2-2 is made of ethylene propylene rubber with the hardness of 60A-80A through continuous vulcanization. The nylon rope is made of 3/5/210D nylon wires, namely each nylon rope is formed by twisting 5 210D nylon wires and then twisting 3 nylon wires to form the nylon rope.
The center filling 3 adopts a saddle-shaped core cushion. The saddle-shaped core pad is wrapped outside the monitoring wire core 2 in a squeezing mode by adopting a semi-conductive rubber or chloroprene rubber material, and the outer surface of the monitoring wire core 2 is coated with talcum powder.
Referring to fig. 1 and 3, the control wire core 4 comprises 6 control wire cores 4-1, a control wire core filler strip 4-2, a control wire core shielding layer 4-3 and a control wire core wrapping layer 4-4. The 6 control wire cores 4-1 have the same structure and comprise control wire core conductors 4-11 and control wire core insulating layers 4-12. The control wire core conductors 4-11 are formed by twisting a plurality of tinned copper wires. The control wire core insulating layer 4-12 is wrapped outside the control wire core conductor 4-11 by adopting fluoroplastic or thermoplastic polyester elastomer (TPEE) material, and the control wire core conductor 4-11 is wrapped by adopting thermoplastic polyester elastomer material in the embodiment. The control wire core filler strip 4-2 is made of neoprene rubber materials, and the diameter of the control wire core filler strip 4-2 is the same as that of the control wire core 4-1. 6 control wire cores 4-1 are stranded into a cable around the control wire core filler strip 4-2. The control wire core shielding layer 4-3 is braided outside the 6 control wire cores 4-1 and the wire core filler strips 4-2 which are stranded into a cable by adopting tinned copper wires, the braiding coverage rate is 88-95%, and the embodiment is 90%. The control wire core wrapping layer 4-4 is wrapped outside the control wire core shielding layer 4-3 by adopting a semi-conductive nylon tape, the wrapping and covering rate is 10-50%, and the embodiment is 30%.
Referring to fig. 1 and 2, the optical cable 5 comprises 6 optical fibers 5-1, optical fiber filler strips 5-2, an optical fiber sheath 5-3 and an optical fiber wrapping 5-4. The 6 optical fibers 5-1 all adopt A1b multi-mode tight-buffered branch optical fibers. The optical fiber filler strip 5-2 is made of neoprene material, and the diameter of the optical fiber filler strip 5-2 is the same as that of the optical fiber 5-1. 6 optical fibers 5-1 are stranded around the optical fiber filling strips 5-2 to form a cable, and then the cable is extruded to wrap the optical fiber sheath 5-3, wherein the optical fiber sheath 5-3 is made of thermoplastic polyester elastomer (TPEE) material. The optical fiber wrapping layer 5-4 is wrapped outside the optical fiber sheath 5-3 by adopting a semi-conductive nylon tape, and the wrapping coverage rate of the optical fiber wrapping layer 5-4 is 10-50%, and the embodiment is 30%.
The ground wire core 6 comprises a ground wire core conductor 6-1 and a ground wire core wrapping layer 6-2. The ground wire core conductor 6-1 is formed by twisting a plurality of tinned copper wires. The ground core conductor 6-1 meets the requirements of GJB 1916. The ground wire core wrapping layer 6-2 is wrapped outside the ground wire core conductor 6-1 through a semi-conductive nylon tape.
The outer diameters of the control wire core 4, the optical cable 5 and the ground wire core 6 are the same.
3 main wire cores 1, a control wire core 4, an optical cable 5, a ground wire core 6 and a center filling 3 are stranded to form a cable. The control wire core 4, the optical cable 5 and the ground wire core 6 are respectively positioned in the gaps of the adjacent 2 main wire cores 1 and are mutually contacted with the main wire cores.
The outer sheath 7 is made of chloroprene rubber materials and is extruded outside the 3 main wire cores 1, the control wire core 4, the optical cable 5, the ground wire core 6 and the center filling 3 which are stranded into a cable.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides an aboveground mining engineering is with dragging cable which characterized in that: the cable comprises a main cable core, a monitoring cable core, center filling, a control cable core, an optical cable, a ground cable core, a reinforcing layer and an outer sheath; the main wire cores are provided with 3 main wire cores, the structures of the 3 main wire cores are the same, and a main wire core conductor, a main wire core insulating layer and a shielding layer are sequentially arranged from inside to outside along the respective radial directions; the main wire core conductor is formed by twisting and then twisting a plurality of tinned copper wire bundles; the main wire core insulating layer is manufactured by continuously vulcanizing ethylene propylene rubber, and is extruded outside the main wire core conductor; the shielding layer comprises a braided shielding layer and a wrapping shielding layer; the braided shielding layer is formed by compositely braiding a strand of braided conductor serving as braided wire and nylon yarn outside the main wire core insulating layer; the braided conductor is formed by stranding a plurality of metal monofilaments; the semi-conductive nylon belt is wrapped outside the braided shielding layer to form a wrapping shielding layer; the monitoring wire core is provided with a monitoring wire core conductor and a monitoring wire core insulating layer in sequence from inside to outside along the radial direction of the monitoring wire core; the monitoring wire core conductor is formed by twisting a nylon rope and a conductor; the center filling adopts a saddle-shaped core pad, and the saddle-shaped core pad is extruded outside the monitoring wire core by adopting a semi-conductive rubber or chloroprene rubber material; 3 main wire cores, control wire cores, optical cables, ground wire cores and center filling are stranded to form a cable; the control wire core, the optical cable and the ground wire core are respectively positioned in the gaps of the adjacent 2 main wire cores and are in mutual contact with the main wire cores; the outer sheath is made of chloroprene rubber materials and is wrapped outside the 3 main wire cores, the control wire core, the optical cable, the ground wire core and the center filler which are stranded into the cable.
2. The trailing cable for above-ground mining engineering according to claim 1, wherein: the monitoring wire core conductor of the monitoring wire core is formed by twisting 1 nylon rope and 4 conductors, the twisting pitch diameter ratio is 8 times when the monitoring wire core conductor is twisted, 1 nylon rope is arranged in the 4 conductors in a 1+4 structure, and the nylon rope is made of 3/5/210D nylon wires.
3. The trailing cable for above-ground mining engineering according to claim 2, wherein: the 4 conductors of the monitoring core conductor are all formed by twisting 6 tinned copper wires; the nylon rope is made of 3/5/210D nylon wire.
4. Towing cable for above-ground mining engineering according to one of claims 1 to 3, characterized in that: and coating talcum powder on the outer surface of the monitoring wire core.
5. Towing cable for above-ground mining engineering according to one of claims 1 to 3, characterized in that: the optical cable comprises 6 optical fibers, an optical fiber filling strip, an optical fiber sheath and an optical fiber wrapping layer; the optical fiber filling strip is made of chloroprene rubber materials, and the diameter of the optical fiber filling strip is the same as that of the optical fiber; 6 optical fibers are stranded into a cable around the optical fiber filling strip and then extruded to wrap an optical fiber sheath, and the optical fiber sheath is made of a thermoplastic polyester elastomer material; the optical fiber wrapping layer is wrapped outside the optical fiber sheath by adopting a semi-conductive nylon tape, and the wrapping and covering rate of the optical fiber wrapping layer is 10-50%.
6. Towing cable for above-ground mining engineering according to one of claims 1 to 3, characterized in that: the control wire core comprises 6 control wire cores, a control wire core filling strip, a control wire core shielding layer and a control wire core wrapping layer; the 6 control wire cores have the same structure and respectively comprise a control wire core conductor and a control wire core insulating layer; the control wire core conductor is formed by twisting a plurality of tinned copper wires; the control wire core insulating layer is extruded outside the control wire core conductor by adopting fluoroplastic or thermoplastic polyester elastomer material; the control wire core filler strip is made of chloroprene rubber materials, and the diameter of the control wire core filler strip is the same as that of the control wire core; 6 control wire cores are stranded into a cable around the control wire core filling strip; the control wire core shielding layer is braided outside the 6 control wire cores and the wire core filling strips which are stranded into a cable by adopting tinned copper wires, and the braiding coverage rate is 88-95%; the control wire core wrapping layer is wrapped outside the control wire core shielding layer by adopting a semi-conductive nylon belt, and the wrapping covering rate is 10-50%.
7. Towing cable for above-ground mining engineering according to one of claims 1 to 3, characterized in that: the ground wire core comprises a ground wire core conductor and a ground wire core wrapping layer; the ground wire core conductor is formed by twisting a plurality of tinned copper wires; the ground wire core wrapping layer is wrapped outside the ground wire core conductor by a semi-conductive nylon belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022147566.0U CN212990714U (en) | 2020-09-26 | 2020-09-26 | Dragging cable for underground mining engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022147566.0U CN212990714U (en) | 2020-09-26 | 2020-09-26 | Dragging cable for underground mining engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212990714U true CN212990714U (en) | 2021-04-16 |
Family
ID=75418702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022147566.0U Active CN212990714U (en) | 2020-09-26 | 2020-09-26 | Dragging cable for underground mining engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212990714U (en) |
-
2020
- 2020-09-26 CN CN202022147566.0U patent/CN212990714U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022052520A1 (en) | Winding and dragging cable for overground mining engineering and production process | |
| CN112786243A (en) | Intelligent tensile composite cable | |
| CN112164515B (en) | Dragging photoelectric composite cable for overground mining engineering and production process | |
| CN214476568U (en) | Intelligent tensile composite cable | |
| CN212990714U (en) | Dragging cable for underground mining engineering | |
| CN112164514B (en) | Winding photoelectric composite cable for mining engineering and production process | |
| CN218497810U (en) | Photoelectric composite flexible high-voltage reel cable for port power supply | |
| CN217239073U (en) | Composite reel cable | |
| CN214476567U (en) | Single-core tensile flexible cable | |
| CN212874094U (en) | Mining engineering is with coiling cable | |
| CN210129411U (en) | Servo motor dynamic cable | |
| CN212587239U (en) | Winding dragging cable for underground mining engineering | |
| CN220252876U (en) | Novel metal shielding braided reinforced optical fiber composite rubber jacketed flexible cable of coal cutter | |
| CN111145951A (en) | Data signal transmission scraper cable and preparation process thereof | |
| CN220584960U (en) | Mine is with flexible antitorque commentaries on classics middling pressure trailing cable | |
| CN216119605U (en) | Tensile wear-resistant control cable | |
| CN215342062U (en) | Flat colored ribbon flexible control cable | |
| CN217008723U (en) | Tensile multicore rubber sheath flexible cable of tape carrier stranded conductor type | |
| CN211555545U (en) | Distortion-resistant trailing cable | |
| CN212694887U (en) | Flexible composite towline cable used in high-stress environment | |
| CN219105810U (en) | Cable and comprehensive intelligent coal mining machine | |
| CN217008725U (en) | Tensile core-breaking-preventing reel cable | |
| CN214476570U (en) | Easily-laid torsion-resistant and low-temperature-resistant cable | |
| CN215730923U (en) | Flexible high-bending-resistance tensile towline cable | |
| CN217086193U (en) | Bending-resistant scratch-resistant type drum cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |