Anti-kink high strength elevator trailing cable and method of making same

Abstract

The application discloses an anti-torsion high-strength elevator running cable and a preparation method thereof, and relates to the technical field of running cables, which comprises an elevator running cable, wherein the elevator running cable is in a flat structure, and comprises a conductive core wire, an insulation layer, an anti-torsion reinforcing layer, an outer protective layer and a detachable sheath layer. The conductive core wire made of high-strength and corrosion-resistant metal material ensures the high strength and corrosion resistance of the cable, the heat-resistant and wear-resistant characteristics of the insulation layer further enhance the durability of the cable, the anti-torsion reinforcing layer is woven by high-strength fibers or metal, which significantly improves the anti-torsion performance of the cable, the outer protective layer is made of flame-retardant, wear-resistant and corrosion-resistant material, which provides all-round environmental protection for the cable, and the detachable sheath layer is combined with the wear-resistant rubber layer, the silica gel strip, the metal threaded sleeve and the limiting bolt, so that firm connection and convenient disassembly between the sheath layers are realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of accompanying cable, in particular to an anti-torsion high-strength elevator accompanying cable and a preparation method thereof. BACKGROUND

[0002] The elevator accompanying cable refers to the cable used between the elevator car and the elevator shaft in the elevator system, which is responsible for transmitting power, signals and data information required during the operation of the elevator. It is an important part of the elevator system and plays an important role in the stable operation of the elevator and the safety of passengers.

[0003] The defects of the existing elevator accompanying cable are:

[0004] 1. The patent document US20040149485A1 discloses a space elevator cable, but the elevator cable in the above document is prone to damage due to frequent bending and twisting in the elevator shaft, and has high maintenance cost;

[0005] 2. The patent document US06923065B2 discloses an aramid fiber elevator cable testing device, but the elevator cable in the above document has poor load-carrying capacity;

[0006] 3. The patent document JPH05330760A discloses a flat elevator cable, but the elevator cable in the above document is difficult to maintain when damaged;

[0007] 4. The patent document CN108538487A discloses an elevator accompanying cable, but the elevator accompanying cable in the above document has poor anti-torsion performance of the protection box. SUMMARY

[0008] The present application aims to provide an anti-torsion high-strength elevator accompanying cable and a preparation method thereof to solve the technical problems raised in the background.

[0009] To achieve the above-mentioned purpose, the present application provides the following technical solution: an anti-torsion high-strength elevator accompanying cable, comprising an elevator accompanying cable, the elevator accompanying cable is in a flat structure, and the elevator accompanying cable comprises a conductive core wire, an insulation layer, an anti-torsion reinforcing layer, an outer protective layer and a detachable sheath layer.

[0010] The conductive core wire is made of high-strength and corrosion-resistant metal material, the outer wall of the conductive core wire is wrapped with an insulating layer made of heat-resistant and wear-resistant material to provide electrical isolation and protection, the outer wall of the insulating layer is provided with a anti-torsion reinforcing layer made of high-strength fiber or metal braid to enhance the anti-torsion performance of the cable, the outer wall of the anti-torsion reinforcing layer is wrapped with an outer protective layer made of flame-retardant, wear-resistant and corrosion-resistant material, and the outer wall of the outer protective layer is movably connected with a plurality of detachable sheath layers.

[0011] The outermost layer of the elevator traveling cable is provided with a detachable sheath layer, the detachable sheath layer comprises a wear-resistant rubber layer, the top and bottom of the wear-resistant rubber layer are fixedly connected with silica gel strips, one end of the wear-resistant rubber layer is provided with a plurality of grooves, the inner wall of the groove is embeddedly installed with a first metal threaded sleeve, the other end of the wear-resistant rubber layer is installed with a plurality of protrusions, the outer wall of the protrusion is movably connected to the inner wall of the groove, the outer wall of the protrusion is embeddedly installed with a second metal threaded sleeve, and the inner wall of the first and second metal threaded sleeves is threadedly connected with a limiting bolt.

[0012] Preferably, the middle part of one end of the outer protective layer is provided with a plurality of first installation grooves, and the inner wall of the first installation groove is fixedly connected to the outer wall of the anti-torsion reinforcing layer. The two sides of one end of the outer protective layer are provided with second installation grooves, and the inner wall of the second installation groove is installed with a load-bearing steel wire rope.

[0013] Preferably, one side of the outer protective layer is provided with a plurality of fixing grooves, the inner wall of the fixing groove is movably connected with a rubber plate, one side of the rubber plate is movably connected to one end of the outer wall of the anti-torsion reinforcing layer, the two sides of the rubber plate are provided with limiting grooves, the inner wall of the limiting groove is movably connected with a rubber limiting block, the outer wall of the rubber limiting block is movably connected to the inner wall of the limiting hole, and the limiting hole is provided in the inner wall of the fixing groove.

[0014] Preferably, the inner wall of the limiting groove is embeddedly installed with a fixed cylinder, the two ends of the fixed cylinder are fixedly connected with support rods, and the two support rods are installed inside the limiting groove. The front end of the outer wall of the support rod is movably connected to the inner wall of the support groove, the support groove is provided at one end of the rubber limiting block, the tail end of the outer wall of the support rod is movably connected with a pressure spring, one end of the pressure spring is movably connected to one end of the rubber limiting block, the top of the rubber plate is provided with a plurality of sliding grooves, the other end of the sliding groove is provided in the inner wall of the limiting groove, the inner wall of the sliding groove is movably connected with a sliding block, and the other end of the sliding block is fixedly connected to the outer wall of the rubber limiting block.

[0015] Preferably, the preparation steps of the anti-torsion high-strength elevator traveling cable are as follows:

[0016] Step S1, conductive core wire preparation: the selected high-strength, corrosion-resistant metal material is processed into a conductive core wire, and the surface is electroplated;

[0017] Step S2, insulating layer wrapping: using injection molding process, the insulating material is uniformly wrapped on the outer wall of the conductive core wire to form a dense insulating layer;

[0018] Step S3, anti-torsion reinforcing layer weaving: high-strength fiber or metal woven material is tightly wrapped on the outer wall of the insulating layer according to the specific weaving method and process parameters to form an anti-torsion reinforcing layer;

[0019] Step S4, outer protective layer wrapping: using injection molding process, the outer protective layer material is uniformly wrapped on the outer wall of the anti-torsion reinforcing layer;

[0020] Step S5, detachable sheath layer installation: the detachable sheath layer, including wear-resistant rubber layer and silicone strip, is installed on the outer wall of the outer protective layer, and the detachable function is realized through metal threaded sleeve and limiting bolt connector.

[0021] Preferably, in the step S4, the following steps are further included:

[0022] Step S41, heavy steel wire rope installation: first installation groove is opened on both sides of one end of the outer protective layer, and heavy steel wire rope is installed to enhance the load-bearing capacity of the cable;

[0023] Step S42, rubber plate and rubber limiting block installation: multiple fixing grooves are opened on one side of the outer protective layer, and the rubber plate is installed in the fixing groove through the structure of rubber limiting block, fixed cylinder, support rod and pressure spring.

[0024] Preferably, the material of the conductive core wire prepared in step S1: one or more of copper, copper alloy or aluminum alloy is used as the raw material of the conductive core wire, multi-pass drawing is carried out by using wire drawing machine to obtain the required diameter and shape, and electroplating treatment is carried out on the drawn conductive core wire to improve its corrosion resistance and surface finish.

[0025] Preferably, the insulating layer material in step S2: one or more of polyvinyl chloride, cross-linked polyethylene or polytetrafluoroethylene is used, and after melting the insulating material, the molten insulating material is uniformly wrapped on the outer wall of the conductive core wire by injection molding machine, and then cooled and solidified.

[0026] Preferably, the anti-torsion reinforcing layer material in step S3: one or more of aramid fiber, glass fiber, stainless steel wire, aluminum wire or iron wire is used, and multi-layer weaving technology is adopted, that is, a layer of relatively thick high-strength fiber or metal mesh is first woven as the bottom layer, and then one or more layers of thinner fiber or metal wire are woven on it to form a composite weaving structure.

[0027] Preferably, the outer protective layer material in step S4: adopt one or more of neoprene, silicone rubber or polyurethane, and melt the outer protective layer material, then uniformly wrap it on the outer wall of the anti-twist reinforcing layer by an injection molding machine, and perform cooling and solidification.

[0028] Compared with the prior art, the present application has the following advantages:

[0029] 1. The present application adopts a flat structure and a conductive core wire made of high-strength and corrosion-resistant metal material, ensuring the high strength and corrosion resistance of the cable, the use of the insulating layer provides excellent electrical isolation and protection, and its heat-resistant and wear-resistant properties further enhance the durability of the cable, the anti-twist reinforcing layer is woven from high-strength fibers or metal, which significantly improves the anti-twist performance of the cable, making it less likely to be damaged by frequent bending and twisting in the elevator shaft, the outer protective layer is made of flame-retardant, wear-resistant and corrosion-resistant material, providing all-round environmental protection for the cable, the detachable sheath layer not only facilitates the maintenance and replacement of the cable, but also reduces maintenance costs, and through the combination of the wear-resistant rubber layer, the silicone strip and the metal threaded sleeve and the limiting bolt, the firm connection and convenient disassembly between the sheath layers are realized, the adaptability and service life of the cable as a whole are improved, and the safe and stable operation of the elevator system is ensured.

[0030] 2. The present application provides a first installation slot in the middle of one end of the outer protective layer and fixedly connects with the anti-twist reinforcing layer, and provides a second installation slot on both sides and installs a load-bearing steel wire rope, which not only enhances the structural stability and load-bearing capacity of the cable, but also improves its adaptability and safety in complex environments.

[0031] 3. The present application provides a fixed slot, a rubber plate and a rubber limiting block provided thereby, in combination with a fixed cylinder, a support rod, a support slot and a pressure spring, which can provide a stable support structure for the rubber plate, which is conducive to ensuring that the rubber plate can be firmly installed in the fixed slot while maintaining sufficient flexibility to adapt to the bending deformation of the cable during use, and through the provision of a sliding groove and a sliding block, the sliding block drives the rubber limiting block to disengage from the limiting hole, thereby easily realizing the disassembly of the rubber plate, which is conducive to subsequent maintenance work and improves the practicality and convenience of the overall structure.

[0032] 4. The application adopts high-quality metal materials such as copper, copper alloy or aluminum alloy, and the conductive core wire is made by multi-pass precision drawing of the wire drawing machine, which not only ensures the high conductivity of the cable, but also significantly improves the corrosion resistance and surface finish through electroplating treatment, the insulating layer is made of high-performance insulating materials such as polyvinyl chloride, cross-linked polyethylene or polytetrafluoroethylene, which is uniformly wrapped on the conductive core wire through injection molding process, providing excellent electrical isolation and heat resistance, the anti-twist reinforcing layer is made of high-quality materials such as aramid fiber, glass fiber or high-strength metal wire, and the composite braided structure is constructed by multi-layer braiding technology, which greatly enhances the anti-twist ability and structural stability of the cable, and the outer protective layer is made of weather-resistant materials such as chloroprene rubber, silicone rubber or polyurethane, which is tightly wrapped outside the anti-twist reinforcing layer through injection molding process, providing excellent wear resistance, corrosion resistance and flame retardant protection for the cable. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the application;

[0034] Figure 2 It is a schematic diagram of the outer protective layer structure of the application;

[0035] Figure 3 It is a schematic diagram of the rubber plate structure of the application;

[0036] Figure 4 It is a schematic diagram of the sliding groove structure of the application;

[0037] Figure 5 It is a schematic diagram of the detachable sheath layer structure of the application;

[0038] Figure 6 It is a schematic diagram of the structure of the application at A; Figure 5

[0039] Figure 7 It is a schematic diagram of the working process of the application.

[0040] In the figure: 2, conductive core wire; 3, insulating layer; 4, anti-twist reinforcing layer; 5, outer protective layer; 6, detachable sheath layer; 7, wear-resistant rubber layer; 8, silicone strip; 9, groove; 10, first metal threaded sleeve; 11, protrusion; 12, second metal threaded sleeve; 13, limiting bolt; 14, first installation groove; 15, second installation groove; 16, load-bearing steel wire rope; 17, fixing groove; 18, rubber plate; 19, limiting groove; 20, rubber limiting block; 21, limiting hole; 22, fixed cylinder; 23, support rod; 24, support groove; 25, pressure spring; 26, sliding groove; 27, sliding block. DETAILED DESCRIPTION

[0041] ​Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of the present application.

[0042] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0043] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" 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 an intermediate medium, can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] Embodiment 1: Please refer to Figure 1 、 Figure 5 and Figure 6 , the present application provides an embodiment: an anti-twist high-strength elevator trailing cable, comprising an elevator trailing cable, the elevator trailing cable is a flat structure, the elevator trailing cable comprises a conductive core wire 2, an insulating layer 3, an anti-twist reinforcing layer 4, an outer protective layer 5 and a detachable sheath layer 6;

[0045] The conductive core wire 2 is made of high-strength, corrosion-resistant metal material, the outer wall of the conductive core wire 2 is wrapped with an insulating layer 3, the insulating layer 3 is made of heat-resistant, wear-resistant material to provide electrical isolation and protection, the outer wall of the insulating layer 3 is provided with an anti-twist reinforcing layer 4, the anti-twist reinforcing layer 4 is woven from high-strength fiber or metal to enhance the anti-twist performance of the cable, the outer wall of the anti-twist reinforcing layer 4 is wrapped with an outer protective layer 5, the outer protective layer 5 is made of flame-retardant, wear-resistant, corrosion-resistant material, the outer wall of the outer protective layer 5 is movably connected with a plurality of detachable sheath layers 6;

[0046] The outermost layer of the elevator running cable is provided with a detachable sheath layer 6, the detachable sheath layer 6 comprises a wear-resistant rubber layer 7, the top and bottom of the wear-resistant rubber layer 7 are fixedly connected with silica gel strips 8, a plurality of grooves 9 are formed in one end of the wear-resistant rubber layer 7, first metal threaded sleeves 10 are embeddedly installed on the inner walls of the grooves 9, a plurality of protruding blocks 11 are installed on the other end of the wear-resistant rubber layer 7, the outer walls of the protruding blocks 11 are movably connected to the inner walls of the grooves 9, second metal threaded sleeves 12 are embeddedly installed on the outer walls of the protruding blocks 11, and the inner walls of the first metal threaded sleeves 10 and the second metal threaded sleeves 12 are threadedly connected with limiting bolts 13.

[0047] Further, by adopting a flat structure and a conductive core wire 2 made of high-strength and corrosion-resistant metal material, the high strength and corrosion resistance of the cable are ensured, the use of the insulating layer 3 provides excellent electrical isolation and protection, and the heat-resistant and wear-resistant properties further enhance the durability of the cable, the anti-twist reinforcing layer 4 is woven from high-strength fibers or metal, which significantly improves the anti-twist performance of the cable, enabling it to bend and twist frequently in the elevator shaft without being easily damaged, and the outer protective layer 5 is made of flame-retardant, wear-resistant and corrosion-resistant material, providing all-round environmental protection for the cable.

[0048] The detachable sheath layer 6 not only facilitates the maintenance and replacement of the cable, but also reduces maintenance costs, and through the combination of the wear-resistant rubber layer 7, the silica gel strips 8 and the metal threaded sleeves and the limiting bolts 13, the firm connection and convenient disassembly between the sheath layers are realized, the adaptability and service life of the cable as a whole are improved, and the safe and stable operation of the elevator system is ensured.

[0049] Embodiment 2: please refer to Figure 1 and Figure 4 An embodiment provided by the application: a plurality of first installation grooves 14 are formed in the middle of one end of the outer protective layer 5, and the inner walls of the first installation grooves 14 are fixedly connected to the outer walls of the anti-twist reinforcing layer 4, second installation grooves 15 are formed on both sides of one end of the outer protective layer 5, and load-bearing steel wire ropes 16 are installed on the inner walls of the second installation grooves 15.

[0050] Further, by forming the first installation grooves 14 in the middle of one end of the outer protective layer 5 and fixedly connecting them with the anti-twist reinforcing layer 4, and forming the second installation grooves 15 on both sides and installing the load-bearing steel wire ropes 16, not only the structural stability and load-bearing capacity of the cable are enhanced, but also the adaptability and safety in complex environments are improved.

[0051] Embodiment 3: please refer to Figure 2 , Figure 3 and Figure 4An embodiment provided by the present application: one side of the outer protective layer 5 is provided with a plurality of fixed grooves 17, the inner wall of the fixed groove 17 is movably connected with a rubber plate 18, and one side of the rubber plate 18 is movably connected with one end of the outer wall of the anti-distortion reinforcing layer 4, the two sides of the rubber plate 18 are provided with limiting grooves 19, the inner wall of the limiting groove 19 is movably connected with a rubber limiting block 20, the outer wall of the rubber limiting block 20 is movably connected with the inner wall of the limiting hole 21, and the limiting hole 21 is provided in the inner wall of the fixed groove 17;

[0052] The inner wall of the limiting groove 19 is fitted with a fixed cylinder 22, the two ends of the fixed cylinder 22 are fixedly connected with a support rod 23, and the two support rods 23 are respectively installed inside the limiting groove 19, the front end of the outer wall of the support rod 23 is movably connected with the inner wall of the support groove 24, the support groove 24 is provided at one end of the rubber limiting block 20, the tail end of the outer wall of the support rod 23 is movably connected with a pressure spring 25, one end of the pressure spring 25 is movably connected with one end of the rubber limiting block 20, and the top of the rubber plate 18 is provided with a plurality of sliding grooves 26, and the other end of the sliding groove 26 is provided in the inner wall of the limiting groove 19, the inner wall of the sliding groove 26 is movably connected with a sliding block 27, and the other end of the sliding block 27 is fixedly connected with the outer wall of the rubber limiting block 20;

[0053] Further, through the setting of the fixed groove 17, the rubber plate 18 and the rubber limiting block 20 matched therewith, in combination with the interaction of the fixed cylinder 22, the support rod 23, the support groove 24 and the pressure spring 25, a stable support structure can be provided for the rubber plate 18, which is conducive to ensuring that the rubber plate 18 can be firmly installed in the fixed groove 17, while maintaining sufficient flexibility to adapt to the bending deformation of the traveling cable during use, and through the setting of the sliding groove 26 and the sliding block 27, the sliding block 27 drives the rubber limiting block 20 to be separated from the limiting hole 21, so that the dismounting operation of the rubber plate 18 is easily realized, thereby being conducive to subsequent maintenance work and improving the practicality and convenience of the overall structure.

[0054] Embodiment 4: please refer to Figure 7 An embodiment provided by the present application: the preparation steps of the anti-distortion high-strength elevator traveling cable are as follows:

[0055] Step S1, preparation of the conductive core wire 2: the selected high-strength and corrosion-resistant metal material is processed into the conductive core wire 2, and the surface thereof is subjected to electroplating treatment;

[0056] Step S2, wrapping of the insulating layer 3: the insulating material is uniformly wrapped on the outer wall of the conductive core wire 2 by using an injection molding process, so as to form a dense insulating layer 3;

[0057] Step S3, anti-torsion reinforcing layer 4 weaving: high-strength fiber or metal woven material is tightly wrapped on the outer wall of the insulation layer 3 according to a specific weaving method and process parameter, forming an anti-torsion reinforcing layer 4;

[0058] Step S4, outer protective layer 5 wrapping: the outer protective layer 5 material is uniformly wrapped on the outer wall of the anti-torsion reinforcing layer 4 by using the injection molding process;

[0059] Step S5, detachable sheath layer 6 installation: the detachable sheath layer 6, including the wear-resistant rubber layer 7 and the silica gel strip 8, is installed on the outer wall of the outer protective layer 5, and the detachable function is realized through the metal threaded sleeve and the limiting bolt 13 connector;

[0060] In the step S4, the following steps are further included:

[0061] Step S41, load-bearing steel wire rope 16 installation: the first installation groove 14 is opened on both sides of one end of the outer protective layer 5, and the load-bearing steel wire rope 16 is installed to enhance the load-bearing capacity of the cable;

[0062] Step S42, rubber plate 18 and rubber limiting block 20 installation: a plurality of fixing grooves 17 are opened on one side of the outer protective layer 5, and the rubber plate 18 is installed in the fixing groove 17 through the structure of the rubber limiting block 20, the fixed cylinder 22, the support rod 23 and the pressure spring 25.

[0063] Embodiment 5: an embodiment provided by the application: the step S1 material for preparing the conductive core wire 2: one or more of copper, copper alloy or aluminum alloy is used as the raw material of the conductive core wire 2, a multi-pass drawing is carried out by using a wire drawing machine to obtain the required wire diameter and shape, and an electroplating treatment is carried out on the drawn conductive core wire 2 to improve its corrosion resistance and surface finish;

[0064] The step S2 insulation layer 3 material: one or more of polyvinyl chloride, cross-linked polyethylene or polytetrafluoroethylene is used, the insulation material is melted, the melted insulation material is uniformly wrapped on the outer wall of the conductive core wire 2 by using an injection molding machine, and cooling and solidification are carried out;

[0065] The step S3 anti-torsion reinforcing layer 4 material: one or more of aramid fiber, glass fiber, stainless steel wire, aluminum wire or iron wire is used, and a multi-layer weaving technology is used, that is, a layer of relatively thick high-strength fiber or metal mesh is first woven as a bottom layer, and then one or more layers of thinner fiber or metal wire are woven on it to form a composite weaving structure;

[0066] The step S4 outer protective layer 5 material: one or more of neoprene, silicone rubber or polyurethane is used, the outer protective layer 5 material is melted, and the melted outer protective layer 5 material is uniformly wrapped on the outer wall of the anti-torsion reinforcing layer 4 by using an injection molding machine, and cooling and solidification are carried out;

[0067] Further, by adopting high-quality metal materials such as copper, copper alloy or aluminum alloy, the conductive core wire 2 made by multi-pass precision drawing of a wire drawing machine not only ensures the high conductivity of the cable, but also significantly improves the corrosion resistance and surface finish through electroplating treatment. The insulating layer 3 is made of high-performance insulating materials such as polyvinyl chloride, cross-linked polyethylene or polytetrafluoroethylene, which is uniformly wrapped on the conductive core wire 2 through injection molding process, providing excellent electrical isolation and heat resistance. The anti-twist reinforcing layer 4 is made of high-quality materials such as aramid fiber, glass fiber or high-strength metal wire, which is constructed into a composite braided structure through multi-layer braiding technology, greatly enhancing the anti-twist ability and structural stability of the cable. The outer protective layer 5 is made of weather-resistant materials such as neoprene, silicone or polyurethane, which is tightly wrapped outside the anti-twist reinforcing layer 4 through injection molding process, providing excellent wear resistance, corrosion resistance and flame retardant protection for the cable.

[0068] The working principle is that by adopting a flat structure and a conductive core wire 2 made of high-strength and corrosion-resistant metal material, the high strength and corrosion resistance of the cable are ensured, the use of the insulating layer 3 provides excellent electrical isolation and protection, and its heat-resistant and wear-resistant properties further enhance the durability of the cable, the anti-twist reinforcing layer 4 is woven from high-strength fibers or metal, which significantly improves the anti-twist performance of the cable, enabling it to bend and twist frequently in the elevator shaft without being easily damaged, the outer protective layer 5 is made of flame-retardant, wear-resistant, and corrosion-resistant materials, providing all-round environmental protection for the cable, the detachable sheath layer 6 not only facilitates the maintenance and replacement of the cable, but also reduces maintenance costs, and through the combination of the wear-resistant rubber layer 7, the silica gel strip 8, and the metal threaded sleeve and limiting bolt 13, the firm connection and convenient disassembly between the sheath layers are realized, which overall improves the adaptability and service life of the cable, ensuring the safe and stable operation of the elevator system, by opening a first installation slot 14 in the middle of one end of the outer protective layer 5 and fixedly connecting it with the anti-twist reinforcing layer 4, and opening second installation slots 15 on both sides and installing load-bearing steel wire ropes 16, not only the structural stability and load-bearing capacity of the cable are enhanced, but also its adaptability and safety in complex environments are improved, through the setting of the fixed slot 17, the rubber plate 18 and the rubber limiting block 20 equipped with it, combined with the interaction of the fixed cylinder 22, the support rod 23, the support slot 24 and the pressure spring 25, the rubber plate 18 can be provided with a stable support structure, which is conducive to ensuring that the rubber plate 18 can be firmly installed in the fixed slot 17, while maintaining sufficient flexibility to adapt to the bending deformation of the traveling cable during use, and then through the setting of the sliding groove 26 and the sliding block 27, moving the sliding block 27 to drive the rubber limiting block 20 to separate from the limiting hole 21, thus easily realizing the disassembly work of the rubber plate 18, and further facilitating the subsequent maintenance work, improving the practicality and convenience of the overall structure, by adopting high-quality metal materials such as copper, copper alloy or aluminum alloy, the conductive core wire 2 is made by multi-pass precision drawing of a wire drawing machine, which not only ensures the high conductivity of the cable, but also significantly improves its corrosion resistance and surface finish through electroplating treatment, the insulating layer 3 is made of high-performance insulating materials such as polyvinyl chloride, cross-linked polyethylene or polytetrafluoroethylene, which is uniformly wrapped on the conductive core wire 2 through injection molding process, providing excellent electrical isolation and heat resistance, the anti-twist reinforcing layer 4 is made of high-quality materials such as aramid fiber, glass fiber or high-strength metal wire, which is constructed into a composite woven structure through multi-layer weaving technology, greatly enhancing the anti-twist ability and structural stability of the cable, and the outer protective layer 5 is made of materials with strong weather resistance such as neoprene, silicone or polyurethane, which is tightly wrapped outside the anti-twist reinforcing layer 4 through injection molding process, providing excellent wear-resistant, corrosion-resistant and flame-retardant protection for the cable.

[0069] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims with respect to the figures of the patent document.

Claims

1. A twist-resistant high-strength elevator traveling cable, comprising an elevator traveling cable, characterized in that: The elevator accompanying cable has a flat structure and comprises a conductive core wire (2), an insulating layer (3), an anti-twisting reinforcement layer (4), an outer protective layer (5) and a detachable sheath layer (6); The conductive core wire (2) is made of a high-strength, corrosion-resistant metal material. The outer wall of the conductive core wire (2) is wrapped with an insulating layer (3). The insulating layer (3) is made of a heat-resistant and wear-resistant material to provide electrical isolation and protection. The outer wall of the insulating layer (3) is provided with an anti-twisting reinforcement layer (4). The anti-twisting reinforcement layer (4) is braided from high-strength fibers or metal to enhance the anti-twisting performance of the cable. The outer wall of the anti-twisting reinforcement layer (4) is wrapped with an outer protective layer (5). The outer protective layer (5) is made of a flame-retardant, wear-resistant and corrosion-resistant material. The outer wall of the outer protective layer (5) is movably connected with a plurality of detachable sheath layers (6). The outermost layer of the elevator accompanying cable is provided with a detachable sheath layer (6), the detachable sheath layer (6) includes a wear-resistant rubber layer (7), the top and bottom of the wear-resistant rubber layer (7) are fixedly connected with a silicone strip (8), one end of the wear-resistant rubber layer (7) is provided with a plurality of grooves (9), the inner wall of the groove (9) is fitted with a first metal threaded sleeve (10), the other end of the wear-resistant rubber layer (7) is provided with a plurality of protrusions (11), and the outer wall of the protrusion (11) is movably connected to the inner wall of the groove (9), the outer wall of the protrusion (11) is fitted with a second metal threaded sleeve (12), and the inner walls of the first metal threaded sleeve (10) and the second metal threaded sleeve (12) are threadedly connected with a limiting bolt (13); A plurality of fixing grooves (17) are provided on one side of the outer protective layer (5), the inner wall of the fixing groove (17) is movably connected to a rubber plate (18), and one side of the rubber plate (18) is movably connected to one end of the outer wall of the anti-torsion reinforcement layer (4), and limiting grooves (19) are provided on both sides of the rubber plate (18), the inner wall of the limiting groove (19) is movably connected to a rubber limiting block (20), the outer wall of the rubber limiting block (20) is movably connected to the inner wall of the limiting hole (21), and the limiting hole (21) is provided on the inner wall of the fixing groove (17); The inner wall of the limiting groove (19) is fitted with a fixed cylinder (22), and the two ends of the fixed cylinder (22) are fixedly connected to support rods (23), and the two support rods (23) are respectively installed in the limiting groove (19). The front end of the outer wall of the support rod (23) is movably connected to the inner wall of the support groove (24), and the support groove (24) is opened at one end of the rubber limiting block (20). The tail end of the outer wall of the support rod (23) is movably connected to a pressure spring (25), and one end of the pressure spring (25) is movably connected to one end of the rubber limiting block (20). The top of the rubber plate (18) is provided with a plurality of sliding grooves (26), and the other end of the sliding groove (26) is opened at the inner wall of the limiting groove (19). The inner wall of the sliding groove (26) is movably connected to a slider (27), and the other end of the slider (27) is fixedly connected to the outer wall of the rubber limiting block (20).

2. The twist-resistant high-strength elevator traveling cable according to claim 1, characterized in that: A plurality of first mounting grooves (14) are provided in the middle of one end of the outer protective layer (5), and the inner walls of the first mounting grooves (14) are fixedly connected to the outer wall of the anti-torsion reinforcement layer (4). Second mounting grooves (15) are provided on both sides of one end of the outer protective layer (5), and a load-bearing steel wire rope (16) is installed on the inner walls of the second mounting grooves (15).

3. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 1, characterized in that: The steps for preparing the twist-resistant high-strength elevator traveling cable are as follows: Step S1, preparation of the conductive core wire (2): processing the selected high-strength, corrosion-resistant metal material into the conductive core wire (2), and performing electroplating treatment on the surface thereof; Step S2, wrapping the insulating layer (3): using an injection molding process, uniformly wrapping the insulating material on the outer wall of the conductive core wire (2) to form a dense insulating layer (3); Step S3, weaving the anti-twist reinforcement layer (4): tightly wrapping the high-strength fiber or metal braided material on the outer wall of the insulating layer (3) according to a specific weaving method and process parameters to form the anti-twist reinforcement layer (4); Step S4, wrapping the outer protective layer (5): using the same injection molding process, the outer protective layer (5) material is evenly wrapped on the outer wall of the anti-distortion reinforcement layer (4); Step S5, installation of the detachable sheath layer (6): The detachable sheath layer (6) is installed on the outer wall of the outer protective layer (5), comprising a wear-resistant rubber layer (7) and a silicone strip (8), and the detachable function is achieved through the metal threaded sleeve and the limiting bolt (13) connection.

4. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 3, characterized in that: The step S4 also includes the following steps: Step S41, installation of the load-bearing steel wire rope (16): opening a first installation groove (14) on both sides of one end of the outer protective layer (5), and installing the load-bearing steel wire rope (16) to enhance the load-bearing capacity of the cable; Step S42, installation of the rubber plate (18) and the rubber limiting block (20): a plurality of fixing grooves (17) are provided on one side of the outer protective layer (5), and the rubber plate (18) is installed in the fixing grooves (17) through the structure of the rubber limiting block (20), the fixing cylinder (22), the support rod (23) and the pressure spring (25).

5. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 3, characterized in that: The step S1 comprises preparing the material of the conductive core wire (2): using one or more of copper, copper alloy or aluminum alloy as the raw material of the conductive core wire (2), using a wire drawing machine to perform multiple drawing passes to obtain the desired wire diameter and shape, and electroplating the drawn conductive core wire (2) to improve its corrosion resistance and surface finish.

6. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 3, characterized in that: In step S2, the insulating layer (3) is made of one or more of polyvinyl chloride, cross-linked polyethylene, or polytetrafluoroethylene. After the insulating material is melted, the melted insulating material is evenly wrapped on the outer wall of the conductive core wire (2) by an injection molding machine, and then cooled and solidified.

7. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 3, characterized in that: The material of the anti-twist reinforcement layer (4) in step S3 is: one or more of aramid fiber, glass fiber, stainless steel wire, aluminum wire or iron wire, and a multi-layer braiding technique is used, that is, a layer of thicker high-strength fiber or metal mesh is first woven as a bottom layer, and then one or more layers of finer fiber or metal wire are woven thereon to form a composite braided structure.

8. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 3, characterized in that: In step S4, the outer protective layer (5) is made of one or more materials selected from chloroprene rubber, silicone rubber or polyurethane. After the outer protective layer (5) material is melted, it is evenly wrapped on the outer wall of the anti-distortion reinforcement layer (4) by an injection molding machine and then cooled and solidified.

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