Anti-distortion high-strength elevator traveling cable and preparation method thereof

Abstract

The invention discloses an anti-twist high-strength elevator traveling cable and a preparation method thereof, and relates to the technical field of traveling cables, the elevator traveling cable comprises an elevator traveling cable, the elevator traveling cable is of a flat structure, and the elevator traveling cable comprises a conductive core wire, an insulating layer, an anti-twist reinforcing layer, an outer protective layer and a detachable sheath layer. By adopting the conductive core wires made of high-strength and corrosion-resistant metal materials, high strength and corrosion resistance of the cable are ensured, the durability of the cable is further enhanced due to the heat-resistant and wear-resistant characteristics of the insulating layer, and the anti-distortion enhancement layer is formed by weaving high-strength fibers or metal, so that the anti-distortion performance of the cable is remarkably improved, and the service life of the cable is prolonged. The outer protective layer is made of flame-retardant, wear-resistant and corrosion-resistant materials, all-around environmental protection is provided for the cable, and due to the arrangement of the detachable sheath layers and the combination of the wear-resistant rubber layer, the silica gel strip, the metal threaded sleeve and the limiting bolt, firm connection and convenient disassembly between the sheath layers are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of traveling cables, and in particular to a torsion-resistant high-strength elevator traveling cable and a preparation method thereof. Background Art

[0002] 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 the power, signals, data and other information required by the elevator during operation. It is an important part of the elevator system and plays an important role in the stable operation of the elevator and the personal safety of passengers.

[0003] The defects of existing elevator accompanying cables are: 1. Patent document US20040149485A1 discloses a space elevator cable. However, the elevator cable in the above document is easily damaged due to frequent bending and twisting in the elevator shaft, and has a high maintenance cost. 2. Patent document US06923065B2 discloses an aramid fiber elevator cable testing device, but the elevator cable in the above document has a technical problem of poor bearing capacity; 3. Patent document JPH05330760A discloses a flat elevator cable, but the elevator cable in the above document has the technical problem of being difficult to repair and maintain when damaged; 4. Patent document CN108538487A discloses an elevator traveling cable, but the elevator traveling cable in the above document has a technical problem that the protective box has poor anti-twisting performance. Summary of the invention

[0004] The object of the present invention is to provide a torsion-resistant high-strength elevator traveling cable and a preparation method thereof, so as to solve the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a torsion-resistant high-strength elevator traveling cable, comprising an elevator traveling cable, the elevator traveling cable being a flat structure, the elevator traveling cable comprising a conductive core wire, an insulating layer, an anti-twisting reinforcement layer, an outer protective layer and a detachable sheath layer; The conductive core wire is made of a high-strength, corrosion-resistant metal material, the outer wall of the conductive core wire is wrapped with an insulating layer, the insulating layer is made of a heat-resistant, wear-resistant material to provide electrical isolation and protection, the outer wall of the insulating layer is provided with an anti-twisting reinforcement layer, the anti-twisting reinforcement layer is woven from high-strength fiber or metal to enhance the anti-twisting performance of the cable, the outer wall of the anti-twisting reinforcement layer is wrapped with an outer protective layer, the outer protective layer is made of a flame-retardant, wear-resistant, corrosion-resistant material, and the outer wall of the outer protective layer is movably connected with a plurality of detachable sheath layers; The outermost layer of the elevator accompanying cable is provided with a removable sheath layer, and the removable sheath layer includes a wear-resistant rubber layer, and the top and bottom of the wear-resistant rubber layer are fixedly connected with silicone strips, and one end of the wear-resistant rubber layer is provided with a plurality of grooves, and the inner wall of the groove is embedded with a first metal threaded sleeve, and the other end of the wear-resistant rubber layer is provided with a plurality of protrusions, and the outer wall of the protrusion is movably connected to the inner wall of the groove, and the outer wall of the protrusion is embedded with a second metal threaded sleeve, and the inner walls of the first metal threaded sleeve and the second metal threaded sleeve are threadedly connected with limiting bolts.

[0006] Preferably, a plurality of first mounting grooves are opened in the middle of one end of the outer protective layer, and the inner wall of the first mounting groove is fixedly connected to the outer wall of the anti-twisting reinforcement layer, and second mounting grooves are opened on both sides of one end of the outer protective layer, and the inner wall of the second mounting groove is installed with a load-bearing steel wire rope.

[0007] Preferably, a plurality of fixing grooves are provided on one side of the outer protective layer, a rubber plate is movably connected to the inner wall of the fixing groove, and one side of the rubber plate is movably connected to one end of the outer wall of the anti-twisting reinforcement layer, limiting grooves are provided on both sides of the rubber plate, a rubber limiting block is movably connected to the inner wall of the limiting groove, 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 on the inner wall of the fixing groove.

[0008] Preferably, a fixed cylinder is embedded in the inner wall of the limiting groove, and both ends of the fixed cylinder are fixedly connected to support rods, and the two support rods are respectively installed in 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, and the support groove is opened at one end of the rubber limiting block, the tail end of the outer wall of the support rod is movably connected to a pressure spring, and one end of the pressure spring is movably connected to one end of the rubber limiting block, a plurality of sliding grooves are opened on the top of the rubber plate, and the other end of the sliding groove is opened on the inner wall of the limiting groove, the inner wall of the sliding groove is movably connected to a slider, and the other end of the slider is fixedly connected to the outer wall of the rubber limiting block.

[0009] Preferably, the steps for preparing the torsion-resistant high-strength elevator traveling cable are as follows: Step S1, preparing the conductive core wire: processing the selected high-strength, corrosion-resistant metal material into the conductive core wire, and electroplating the surface thereof; Step S2, insulation layer wrapping: using an injection molding process, the insulation material is evenly wrapped on the outer wall of the conductive core wire to form a dense insulation layer; Step S3, weaving the anti-twist reinforcement layer: tightly wrapping the high-strength fiber or metal braided material on the outer wall of the insulating layer according to a specific weaving method and process parameters to form an anti-twist reinforcement layer; Step S4, wrapping the outer protective layer: also using the injection molding process, the outer protective layer material is evenly wrapped on the outer wall of the anti-distortion reinforcement layer; Step S5, installation of a detachable sheath layer: a detachable sheath layer is installed on the outer wall of the outer protective layer, including a wear-resistant rubber layer and a silicone strip, and a detachable function is achieved through a metal threaded sleeve and a limiting bolt connector.

[0010] Preferably, the step S4 also includes the following steps: Step S41, installation of load-bearing steel wire rope: opening a first installation groove on both sides of one end of the outer protective layer, and installing a load-bearing steel wire rope to enhance the load-bearing capacity of the cable; Step S42, installation of the rubber plate and the rubber limiting block: a plurality of fixing grooves are provided on one side of the outer protective layer, and the rubber plate is installed in the fixing grooves through the structure of the rubber limiting block, the fixing cylinder, the support rod and the pressure spring.

[0011] Preferably, the material for preparing the conductive core wire in step S1 is as follows: one or more of copper, copper alloy or aluminum alloy is used as the raw material of the conductive core wire, a wire drawing machine is used to perform multiple drawing passes to obtain the desired wire diameter and shape, and the drawn conductive core wire is electroplated to improve its corrosion resistance and surface finish.

[0012] Preferably, the insulating layer material in step S2 is one or more of polyvinyl chloride, cross-linked polyethylene or polytetrafluoroethylene, and after the insulating material is melted, the molten insulating material is evenly wrapped on the outer wall of the conductive core wire by an injection molding machine, and then cooled and solidified.

[0013] Preferably, the material of the anti-twisting reinforcement layer in step S3 is one or more of aramid fiber, glass fiber, stainless steel wire, aluminum wire or iron wire, and a multi-layer weaving technology is adopted, that is, a layer of thicker high-strength fiber or metal mesh is first weaved as the bottom layer, and then one or more layers of finer fibers or metal wires are weaved thereon to form a composite weaving structure.

[0014] Preferably, the outer protective layer material in step S4 is one or more of chloroprene rubber, silicone rubber or polyurethane, and after the outer protective layer material is melted, it is evenly wrapped on the outer wall of the anti-twisting reinforcement layer by an injection molding machine, and cooled and solidified.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention ensures the high strength and corrosion resistance of the cable by adopting a flat structure and a conductive core made of high-strength, corrosion-resistant metal material. The use of the insulating layer provides excellent electrical isolation and protection. At the same time, its heat-resistant and wear-resistant properties further enhance the durability of the cable. The anti-twisting reinforcement layer is woven from high-strength fiber or metal, which significantly improves the anti-twisting performance of the cable, allowing it to be frequently bent and twisted in the elevator shaft without being easily damaged. The outer protective layer is made of flame-retardant, wear-resistant and corrosion-resistant materials, providing all-round environmental protection for the cable. The setting of the detachable sheath layer not only facilitates the maintenance and replacement of the cable, but also reduces the maintenance cost. In addition, through the combination of the wear-resistant rubber layer, the silicone strip, the metal threaded sleeve and the limiting bolt, a firm connection and convenient disassembly between the sheath layers are achieved, which improves the adaptability and service life of the cable as a whole, and ensures the safe and stable operation of the elevator system. 2. The present invention not only enhances the structural stability and load-bearing capacity of the cable, but also improves its adaptability and safety in complex environments by opening a first installation groove in the middle of one end of the outer protective layer and fixing it to the anti-twisting reinforcement layer, and opening second installation grooves on both sides and installing load-bearing steel wire ropes; 3. The present invention can provide a stable support structure for the rubber plate by setting the fixing groove, the rubber plate and the rubber limiting block equipped therewith, combined with the interaction of the fixing cylinder, the support rod, the support groove and the pressure spring, which is conducive to ensuring that the rubber plate can be securely installed in the fixing groove, while maintaining sufficient flexibility to adapt to the bending deformation of the accompanying cable during use. Then, by setting the sliding groove and the slider, the sliding block is moved to drive the rubber limiting block to disengage from the limiting hole, thereby easily realizing the disassembly operation of the rubber plate, which is conducive to subsequent maintenance work and improves the practicality and convenience of the overall structure; 4. The present invention adopts high-quality metal materials such as copper, copper alloy or aluminum alloy, and the conductive core wire is made by multiple 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 is made of high-performance insulating materials such as polyvinyl chloride, cross-linked polyethylene or polytetrafluoroethylene, and is evenly wrapped on the conductive core wire through an injection molding process, providing excellent electrical isolation and heat resistance. The anti-twisting reinforcement layer adopts high-quality materials such as aramid fiber, glass fiber or high-strength metal wire, and a composite braided structure is constructed through multi-layer braiding technology, which greatly enhances the cable's anti-twisting ability and structural stability. The outer protective layer is made of weather-resistant materials such as chloroprene rubber, silicone rubber or polyurethane, and is tightly wrapped around the anti-twisting reinforcement layer through an injection molding process, providing the cable with excellent wear resistance, corrosion resistance and flame retardant protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the outer protective layer of the present invention; Figure 3 It is a schematic diagram of the structure of the rubber sheet of the present invention; Figure 4 It is a schematic diagram of the chute structure of the present invention; Figure 5 It is a schematic diagram of the structure of the detachable sheath layer of the present invention; Figure 6 For the present invention Figure 5 Schematic diagram of the structure at A in the middle; Figure 7 It is a schematic diagram of the workflow of the present invention.

[0017] In the figure: 2, conductive core wire; 3, insulating layer; 4, anti-twisting reinforcement layer; 5, outer protective layer; 6, removable sheath layer; 7, wear-resistant rubber layer; 8, silicone strip; 9, groove; 10, first metal threaded sleeve; 11, bump; 12, second metal threaded sleeve; 13, limiting bolt; 14, first mounting groove; 15, second mounting groove; 16, load-bearing wire rope; 17, fixing groove; 18, rubber plate; 19, limiting groove; 20, rubber limiting block; 21, limiting hole; 22, fixing cylinder; 23, support rod; 24, support groove; 25, pressure spring; 26, slide groove; 27, slider. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In the description of the present invention, 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 positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Example 1: Please refer to Figure 1 , Figure 5 and Figure 6 , an embodiment provided by the present invention: a torsion-resistant high-strength elevator traveling cable, comprising an elevator traveling cable, the elevator traveling cable is a flat structure, the elevator traveling cable 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, 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 woven from high-strength fibers or metals 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, and 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, and the detachable sheath layer 6 includes a wear-resistant rubber layer 7, and the top and bottom of the wear-resistant rubber layer 7 are fixedly connected with a silicone strip 8, and one end of the wear-resistant rubber layer 7 is provided with a plurality of grooves 9, and the inner wall of the groove 9 is embedded with a first metal threaded sleeve 10, and the other end of the wear-resistant rubber layer 7 is installed 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, and the outer wall of the protrusion 11 is embedded with a second metal threaded sleeve 12, and the first metal threaded sleeve 10 and the inner wall of the second metal threaded sleeve 12 are threadedly connected with a limiting bolt 13; Furthermore, by adopting a flat structure and a conductive core wire 2 made of a high-strength, 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-twisting reinforcement layer 4 is made of high-strength fiber or metal braid, which significantly improves the anti-twisting performance of the cable, so that it can be frequently bent and twisted in the elevator shaft without being easily damaged, and 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 provision of the removable sheath layer 6 not only facilitates the maintenance and replacement of the cable, but also reduces the maintenance cost. In addition, through the combination of the wear-resistant rubber layer 7, the silicone strip 8, the metal threaded sleeve and the limiting bolt 13, a firm connection and convenient disassembly between the sheath layers are achieved, which improves the adaptability and service life of the cable as a whole and ensures the safe and stable operation of the elevator system.

[0022] Example 2: Please refer to Figure 1 and Figure 4 , an embodiment provided by the present invention: a plurality of first mounting grooves 14 are opened in the middle of one end of the outer protective layer 5, and the inner wall of the first mounting groove 14 is fixedly connected to the outer wall of the anti-twisting reinforcement layer 4, and second mounting grooves 15 are opened 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 wall of the second mounting groove 15; Furthermore, by opening a first installation groove 14 in the middle of one end of the outer protective layer 5 and fixedly connecting it to the anti-twisting reinforcement layer 4, and opening second installation grooves 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.

[0023] Example 3: Please refer to Figure 2 , Figure 3 and Figure 4 , an embodiment provided by the present invention: a plurality of fixing grooves 17 are provided on one side of the outer protective layer 5, a rubber plate 18 is movably connected to the inner wall of the fixing groove 17, and one side of the rubber plate 18 is movably connected to one end of the outer wall of the anti-twist reinforcing layer 4, limiting grooves 19 are provided on both sides of the rubber plate 18, a rubber limiting block 20 is movably connected to the inner wall of the limiting groove 19, 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; A fixed cylinder 22 is embedded in the inner wall of the limiting groove 19, and support rods 23 are fixedly connected to both ends of the fixed cylinder 22, and the two support rods 23 are respectively installed in the limiting groove 19, and 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, and 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, and a plurality of slide grooves 26 are opened on the top of the rubber plate 18, and the other end of the slide groove 26 is opened on the inner wall of the limiting groove 19, and the inner wall of the slide 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; Furthermore, by setting the fixing groove 17, the rubber plate 18 and the rubber limiting block 20 equipped therewith, combined with the interaction of the fixing cylinder 22, the support rod 23, the support groove 24 and the pressure spring 25, a stable supporting structure can be provided for the rubber plate 18, which is beneficial to ensure that the rubber plate 18 can be securely installed in the fixing groove 17 while maintaining sufficient flexibility to adapt to the bending deformation of the accompanying cable during use. Then, by setting the slide groove 26 and the slider 27, the slider 27 is moved to drive the rubber limiting block 20 to disengage from the limiting hole 21, thereby easily realizing the disassembly operation of the rubber plate 18, which is beneficial to subsequent maintenance work and improves the practicality and convenience of the overall structure.

[0024] Example 4: Please refer to Figure 7 The present invention provides an embodiment: the preparation steps of 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 electroplating the surface thereof; Step S2, wrapping with an insulating layer 3: using an injection molding process, the insulating material is evenly wrapped on the outer wall of the conductive core wire 2 to form a dense insulating layer 3; Step S3, weaving the anti-twisting 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-twisting reinforcement layer 4; Step S4, wrapping the outer protective layer 5: also using the 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: installing the detachable sheath layer 6 on the outer wall of the outer protective layer 5, including the wear-resistant rubber layer 7 and the silicone strip 8, and realizing the detachable function through the metal threaded sleeve and the limiting bolt 13 connection piece; The step S4 also includes the following steps: Step S41, installation of the load-bearing steel wire rope 16: a first installation groove 14 is opened on both sides of one end of the outer protective layer 5, and a load-bearing steel wire rope 16 is installed to enhance the load-bearing capacity of the cable; Step S42, installing the rubber sheet 18 and the rubber limiting block 20: a plurality of fixing grooves 17 are opened on one side of the outer protective layer 5, and the rubber sheet 18 is installed in the fixing groove 17 through the structure of the rubber limiting block 20, the fixing cylinder 22, the support rod 23 and the pressure spring 25.

[0025] Embodiment 5: An embodiment provided by the present invention: the material of the conductive core wire 2 in step S1 is: one or more of copper, copper alloy or aluminum alloy is used as the raw material of the conductive core wire 2, and a wire drawing machine is used to perform multiple drawing to obtain the required wire diameter and shape, and the drawn conductive core wire 2 is electroplated to improve its corrosion resistance and surface finish; In step S2, the material of the insulating layer 3 is: one or more of polyvinyl chloride, cross-linked polyethylene or polytetrafluoroethylene, and 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; The material of the anti-twisting 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 weaving technology is used, that is, a layer of thicker high-strength fiber or metal mesh is first woven as the bottom layer, and then one or more layers of finer fiber or metal wire are woven thereon to form a composite woven structure; The material of the outer protective layer 5 in step S4 is: one or more of chloroprene rubber, silicone rubber or polyurethane, and 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; Furthermore, by adopting high-quality metal materials such as copper, copper alloy or aluminum alloy, and making the conductive core wire 2 through multiple precision drawing by a wire drawing machine, not only the high conductivity of the cable is ensured, but also the corrosion resistance and surface finish are significantly improved through electroplating treatment. The insulating layer 3 is made of high-performance insulating materials such as polyvinyl chloride, cross-linked polyethylene or polytetrafluoroethylene, and is evenly wrapped on the conductive core wire 2 through an injection molding process, providing excellent electrical isolation and heat resistance. The anti-twisting reinforcement layer 4 is made of high-quality materials such as aramid fiber, glass fiber or high-strength metal wire, and a composite braided structure is constructed through multi-layer braiding technology, which greatly enhances the cable's anti-twisting ability and structural stability. The outer protective layer 5 is made of weather-resistant materials such as chloroprene rubber, silicone rubber or polyurethane, and is tightly wrapped around the anti-twisting reinforcement layer 4 through an injection molding process, providing the cable with excellent wear resistance, corrosion resistance and flame retardant protection.

[0026] Working principle: By adopting a flat structure and a conductive core wire 2 made of high-strength, 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. At the same time, its heat-resistant and wear-resistant properties further enhance the durability of the cable. The anti-twisting reinforcement layer 4 is made of high-strength fiber or metal braiding, which significantly improves the anti-twisting performance of the cable, allowing it to be frequently bent and twisted 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 the cable with all-round environmental protection. The setting of the detachable sheath layer 6 not only facilitates the maintenance and replacement of the cable, but also reduces the maintenance cost, and through the resistance The combination of the wear rubber layer 7, the silicone strip 8, the metal threaded sleeve and the limiting bolt 13 realizes a firm connection and convenient disassembly between the sheath layers, improves the adaptability and service life of the cable as a whole, and ensures the safe and stable operation of the elevator system. By opening a first installation groove 14 in the middle of one end of the outer protective layer 5 and fixing it with the anti-twisting reinforcement layer 4, and opening second installation grooves 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. By setting the fixing groove 17, the rubber plate 18 and the rubber limiting block 20 equipped therewith, combined with the fixing cylinder 22, the support rod 23, the support groove 24 and the The interaction between the rubber plate 18 and the pressure spring 25 can provide a stable support structure for the rubber plate 18, which is conducive to ensuring that the rubber plate 18 can be securely installed in the fixing groove 17, while maintaining sufficient flexibility to adapt to the bending deformation of the accompanying cable during use. Then, through the setting of the slide groove 26 and the slider 27, the slider 27 is moved to drive the rubber limiting block 20 to disengage from the limiting hole 21, so that the rubber plate 18 can be easily disassembled, which is conducive to subsequent maintenance work and improves the practicality and convenience of the overall structure. The conductive core wire 2 made of high-quality metal materials such as copper, copper alloy or aluminum alloy through multiple precision drawing by a wire drawing machine not only ensures the high conductivity of the cable, Its corrosion resistance and surface finish are also significantly improved through electroplating treatment. The insulating layer 3 is made of high-performance insulating materials such as polyvinyl chloride, cross-linked polyethylene or polytetrafluoroethylene, and is evenly wrapped on the conductive core wire 2 through an injection molding process, providing excellent electrical isolation and heat resistance. The anti-twisting reinforcement layer 4 is made of high-quality materials such as aramid fiber, glass fiber or high-strength metal wire, and a composite braided structure is constructed through multi-layer weaving technology, which greatly enhances the cable's anti-twisting ability and structural stability. The outer protective layer 5 is made of weather-resistant materials such as chloroprene rubber, silicone rubber or polyurethane, and is tightly wrapped around the anti-twisting reinforcement layer 4 through an injection molding process, providing the cable with excellent wear resistance, corrosion resistance and flame retardant protection.

[0027] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A torsion-resistant high-strength elevator traveling cable, comprising an elevator traveling cable, characterized in that: The elevator accompanying cable is a flat structure, comprising 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, 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 to 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 embedded 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 embedded 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).

2. The twist-resistant high-strength elevator traveling cable according to claim 1 is characterized in that: A plurality of first installation grooves (14) are provided in the middle of one end of the outer protective layer (5), and the inner wall of the first installation groove (14) is fixedly connected to the outer wall of the anti-twisting reinforcement layer (4). Second installation 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 wall of the second installation groove (15).

3. The twist-resistant high-strength elevator traveling cable according to claim 1 is characterized in that: A plurality of fixing grooves (17) are provided on one side of the outer protective layer (5); a rubber plate (18) is movably connected to the inner wall of the fixing groove (17); one side of the rubber plate (18) is movably connected to one end of the outer wall of the anti-twist reinforcing layer (4); limiting grooves (19) are provided on both sides of the rubber plate (18); a rubber limiting block (20) is movably connected to the inner wall of the limiting groove (19); an outer wall of the rubber limiting block (20) is movably connected to the inner wall of a limiting hole (21); and the limiting hole (21) is provided on the inner wall of the fixing groove (17).

4. The twist-resistant high-strength elevator traveling cable according to claim 3 is characterized in that: A fixed cylinder (22) is mounted on the inner wall of the limiting groove (19), and support rods (23) are fixedly connected to both ends of the fixed cylinder (22), and 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 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 rear 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). A plurality of slide grooves (26) are opened on the top of the rubber plate (18), and the other end of the slide groove (26) is opened on the inner wall of the limiting groove (19). The inner wall of the slide 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).

5. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 1, characterized in that: The preparation steps of 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 with an insulating layer (3): using an injection molding process, the insulating material is evenly wrapped 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 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): a 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 a detachable function is achieved through a metal threaded sleeve and a limiting bolt (13) connection.

6. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 5, characterized in that: The step S4 also includes the following steps: Step S41, installation of the load-bearing steel wire rope (16): a first installation groove (14) is opened on both sides of one end of the outer protective layer (5), and a load-bearing steel wire rope (16) is installed to enhance the load-bearing capacity of the cable; Step S42, installing 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) by means of a structure including the rubber limiting block (20), the fixing cylinder (22), the supporting rod (23) and the pressure spring (25).

7. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 5, 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 processes to obtain the required wire diameter and shape, and performing electroplating on the drawn conductive core wire (2) to improve its corrosion resistance and surface finish.

8. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 5, characterized in that: In step S2, the insulating layer (3) material 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.

9. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 5, characterized in that: The material of the anti-twisting 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 weaving technology 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 woven structure.

10. The method for preparing a torsion-resistant high-strength elevator traveling cable according to claim 5, characterized in that: In the step S4, the material of the outer protective layer (5) is one or more of chloroprene rubber, silicone rubber or polyurethane. After the material of the outer protective layer (5) 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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