Plastic coated corrosion resistant steel wire rope

Abstract

This utility model discloses a plastic-coated anti-corrosion steel wire rope, relating to the field of steel wire ropes. It includes multi-strand steel wires, each with an epoxy resin coating on its outer wall. The multi-strand steel wires are mounted on a support frame, and several first adhesive layers are fixedly installed inside the support frame. A protective rubber tube is fixedly fitted onto the multi-strand steel wires and the support frame, and several second adhesive layers are fixedly installed inside the protective rubber tube. Firstly, by coating the surface of the steel wires with an epoxy resin coating and combining it with an external plastic coating composed of a polyethylene-coated tube and a glass fiber layer, a double anti-corrosion barrier is formed, effectively resisting the erosion of moisture and chemical media. Secondly, the support frame fixes the steel wires through a first arc-shaped groove and a circular through-hole, which, together with the first adhesive layers inside the support frame and the second adhesive layers inside the protective rubber tube, enhances the overall structural stability and prevents delamination under dynamic loads.

Description

Technical Field

[0001] This utility model relates to the field of steel wire rope, and in particular to a plastic-coated anti-corrosion steel wire rope. Background Technology

[0002] Steel wire rope, as an important load-bearing and traction component, is widely used in shipbuilding, bridges, mining, construction, and other fields. However, traditional steel wire ropes are susceptible to corrosion from moisture, salt spray, and chemical media when used for extended periods in humid and corrosive environments (such as marine climates and chemical plants), leading to wire corrosion, reduced strength, and even breakage, severely impacting their service life and safety. Currently, common protective methods to improve the corrosion resistance of steel wire ropes include galvanizing, oiling, or plastic coating. However, these methods have the following shortcomings: galvanized layers are prone to wear and peeling off under long-term friction or harsh environments, losing their protective effect; oiling requires regular maintenance, and grease easily attracts dust, affecting its use; ordinary plastic coatings have low mechanical strength, are prone to cracking or peeling, and lack multiple layers of protection for the internal steel wires.

[0003] Furthermore, existing plastic-coated steel wire ropes have a relatively simple structural design and insufficient bonding strength between the inner and outer layers. Under dynamic loads or bending conditions, delamination easily occurs, further reducing their protective performance. Therefore, there is an urgent need for a plastic-coated steel wire rope with multiple corrosion-resistant structures, high bonding strength, and excellent mechanical properties to solve these problems. Utility Model Content

[0004] The main objective of this invention is to provide a plastic-coated anti-corrosion steel wire rope, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A plastic-coated corrosion-resistant steel wire rope includes multiple strands of steel wires, each strand having an epoxy resin coating on its outer wall. The strands are mounted on a support frame, which contains several first adhesive layers. A protective rubber tube is fixedly fitted onto the strands and the support frame, containing several second adhesive layers. An outer plastic coating layer is fixedly fitted onto the protective rubber tube. The outer plastic coating layer consists of a polyethylene-coated tube, a fiberglass layer, and spiral embossing. The fiberglass layer is fixedly installed on the inner wall of the polyethylene-coated tube, and the spiral embossing is fixedly installed on the outer wall of the polyethylene-coated tube.

[0007] Preferably, the outer wall of the support frame is provided with a plurality of first arc-shaped grooves, and the support frame is provided with circular through holes between the plurality of first arc-shaped grooves.

[0008] Preferably, several first adhesive layers are fixedly installed in the circular through hole and several first arc-shaped grooves, and several first adhesive layers are simultaneously adhered to several steel wires of the steel wire rope.

[0009] Preferably, the inner wall of the protective rubber tube is provided with a plurality of second arc-shaped grooves, and a plurality of second adhesive layers are respectively fixedly installed in the plurality of second arc-shaped grooves, and the plurality of second adhesive layers are simultaneously adhered to a plurality of steel wire ropes.

[0010] Preferably, the polyethylene-coated tube, the glass fiber layer, and the spiral embossing on the outer plastic coating layer are integrally molded structures.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] First, by coating the steel wires with an epoxy resin coating and combining it with an external plastic coating layer composed of a polyethylene-coated tube and a glass fiber layer, a double anti-corrosion barrier is formed, effectively resisting the erosion of moisture and chemical media. Second, the support frame fixes the steel wires of the steel rope through a first arc-shaped groove and a circular through hole. Combined with the first adhesive layer inside the support frame and the second adhesive layer inside the protective rubber tube, the overall structural stability is enhanced, preventing delamination under dynamic loads. Furthermore, the glass fiber layer significantly improves the mechanical strength of the external plastic coating layer, while the spiral textured design increases surface friction, making it more suitable for traction scenarios. Finally, the synergistic effect of this multi-layered protective structure not only extends the service life but also reduces maintenance requirements. This design effectively solves the problems of easy corrosion, delamination, and insufficient mechanical properties of traditional steel wire ropes, and has broad application prospects. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a plan view of the steel wire and epoxy resin coating of the steel wire rope of this utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the outer plastic coating layer of this utility model;

[0016] Figure 4 This is a plan view of the supporting frame, protective rubber tube, first adhesive layer, and second adhesive layer of this utility model.

[0017] In the diagram: 1. Steel wire rope; 2. Support frame; 3. Protective rubber tube; 4. External plastic coating; 5. Epoxy resin coating; 6. First arc groove; 7. Circular through hole; 8. First adhesive layer; 9. Second arc groove; 10. Second adhesive layer; 11. Polyethylene-coated pipe; 12. Fiberglass layer; 13. Spiral ridge. Detailed Implementation

[0018] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0019] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a plastic-coated anti-corrosion steel wire rope includes multi-strand steel wires 1, each with an epoxy resin coating 5 on its outer wall. The multi-strand steel wires 1 are mounted on a support frame 2. Several first adhesive layers 8 are fixedly installed inside the support frame 2. A protective rubber tube 3 is fixedly fitted onto the multi-strand steel wires 1 and the support frame 2. Several second adhesive layers 10 are fixedly installed inside the protective rubber tube 3. An outer plastic coating layer 4 is fixedly fitted onto the protective rubber tube 3. The outer plastic coating layer 4 consists of a polyethylene-coated tube 11, a fiberglass layer 12, and spiral ridges 13. The fiberglass layer 12 is fixedly installed on the inner wall of the polyethylene-coated tube 11, and the spiral ridges 13 are fixedly installed on the outer wall of the polyethylene-coated tube 11. The steel wire rope is protected by coating the surface of the steel wires 1 with an epoxy resin coating 5 and combining it with the polyethylene-coated tube 12. The outer plastic coating layer 4, composed of the ethylene-coated pipe 11 and the glass fiber layer 12, forms a double anti-corrosion barrier, effectively resisting the erosion of moisture and chemical media. The support frame 2 fixes the steel wire rope 1 through the first arc-shaped groove 6 and the circular through hole 7. Together with the first adhesive layer 8 inside the support frame 2 and the second adhesive layer 10 inside the protective rubber tube 3, it enhances the overall structural stability and prevents delamination under dynamic loads. In addition, the glass fiber layer 12 significantly improves the mechanical strength of the outer plastic coating layer 4, and the spiral embossed design 13 increases the surface friction, making it more suitable for traction scenarios. Finally, the synergistic effect of the multi-layer protective structure of this steel wire rope not only extends its service life but also reduces maintenance requirements. This design effectively solves the problems of easy corrosion, easy delamination, and insufficient mechanical properties of traditional steel wire ropes, and has broad application prospects.

[0020] Specifically, the outer wall of the support frame 2 is provided with several first arc-shaped grooves 6, and circular through holes 7 are provided on the support frame 2 between the several first arc-shaped grooves 6. As the core load-bearing component of the wire rope, it is responsible for bearing the main tensile force and mechanical load. After its outer wall is coated with epoxy resin coating 5, it can effectively isolate moisture and chemical media, prevent internal steel wires from rusting, and improve corrosion resistance. As a structural support component of the wire rope, the support frame 2 fixes the multiple strands of steel wire rope 1 through the first arc-shaped grooves 6 and circular through holes 7 to ensure that they are evenly distributed and reduce mutual friction. Its rigid structure helps to distribute the load and enhance the overall resistance to deformation.

[0021] Specifically, several first adhesive layers 8 are fixedly installed in the circular through holes 7 and several first arc-shaped grooves 6 respectively, and several first adhesive layers 8 are simultaneously adhered to several steel wire ropes 1. The first adhesive layers 8 fill the first arc-shaped grooves 6 and circular through holes 7 of the support frame 2, firmly bonding the steel wire ropes 1 to the support frame 2, preventing delamination or slippage, and improving the overall structure and stability.

[0022] Specifically, if a number of second arc-shaped grooves 9 are provided on the inner wall of the protective rubber tube 3, and a number of second adhesive layers 10 are respectively fixedly installed in the number of second arc-shaped grooves 9, and the number of second adhesive layers 10 are simultaneously adhered to the number of steel wire ropes 1, the protective rubber tube 3 is sleeved on the outside of the steel wire ropes 1 and the support frame 2, providing elastic buffering and secondary sealing protection. Its flexibility can absorb vibration and impact energy, while blocking external moisture and pollutants from entering. The second adhesive layers 10 further bond the steel wire ropes 1 to the protective rubber tube 3, ensuring that the multi-layer structure fits tightly and avoiding relative displacement under dynamic working conditions.

[0023] Specifically, if the polyethylene-coated tube 11, the fiberglass layer 12, and the spiral ridge 13 on the outer plastic coating layer 4 are integrally molded structures, the polyethylene-coated tube 11 provides weather resistance and wear resistance, resisting ultraviolet rays, rainwater, and mechanical wear. The fiberglass layer 12 is embedded in the polyethylene layer, significantly enhancing the tensile strength and tear resistance of the plastic coating layer. The spiral ridge 13 increases the surface roughness, improves the friction between the wire rope and contact parts such as pulleys and drums, and prevents slippage, making it suitable for traction and lifting scenarios.

[0024] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A plastic-coated corrosion-resistant steel wire rope, comprising multiple strands of steel wire (1), characterized in that: An epoxy resin coating (5) is provided on the outer wall of each of the multiple strands of steel wire rope (1). Each of the multiple strands of steel wire rope (1) is installed on a support frame (2). Several first adhesive layers (8) are fixedly installed inside the support frame (2). A protective rubber tube (3) is fixedly sleeved on the multiple strands of steel wire rope (1) and the support frame (2). Several second adhesive layers (10) are fixedly installed inside the protective rubber tube (3). An outer plastic coating layer (4) is fixedly sleeved on the protective rubber tube (3). The outer plastic coating layer (4) is composed of a polyethylene-coated tube (11), a glass fiber layer (12), and a spiral ridge (13). The glass fiber layer (12) is fixedly installed on the inner wall of the polyethylene-coated tube (11), and the spiral ridge (13) is fixedly installed on the outer wall of the polyethylene-coated tube (11).

2. The plastic-coated corrosion-resistant steel wire rope according to claim 1, characterized in that: The outer wall of the support frame (2) is provided with a plurality of first arc grooves (6), and a circular through hole (7) is provided on the support frame (2) and between the plurality of first arc grooves (6).

3. The plastic-coated corrosion-resistant steel wire rope according to claim 2, characterized in that: Several first adhesive layers (8) are respectively fixedly installed in the circular through hole (7) and several first arc grooves (6), and several first adhesive layers (8) are simultaneously adhered to several steel wire ropes (1).

4. The plastic-coated corrosion-resistant steel wire rope according to claim 3, characterized in that: The inner wall of the protective rubber tube (3) is provided with a number of second arc grooves (9), and a number of second adhesive layers (10) are fixedly installed in the number of second arc grooves (9), and the number of second adhesive layers (10) are simultaneously adhered to the number of steel wire ropes (1).

5. The plastic-coated corrosion-resistant steel wire rope according to claim 4, characterized in that: The polyethylene-coated pipe (11), glass fiber layer (12), and spiral ridge (13) on the outer plastic coating layer (4) are integrally formed structures.

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