Multi-layer composite safety rope

Abstract

The utility model discloses a multi-layer composite safety rope, which belongs to the technical field of safety ropes, and comprises a main rope, six stranded ropes and a wear-resistant jacket, the main rope and the stranded ropes are arranged in the wear-resistant jacket, the six stranded ropes are spirally twisted outside the main rope, the main rope comprises a steel wire main core, a flax braided wire and a first wrapping sleeve, and the first wrapping sleeve is arranged in the wear-resistant jacket. The number of the flax braided wires is six, the six flax braided wires are spirally twisted outside the steel wire main core, the steel wire main core and the flax braided wires are wrapped by the first wrapping sleeve, the first wrapping sleeve comprises a nylon braided layer and a glass fiber braided layer, the nylon braided layer is fixedly connected to the outer surface of the glass fiber braided layer, and the nylon braided layer is fixedly connected to the outer surface of the glass fiber braided layer. The stranded rope comprises a second wrapping sleeve and a plurality of carbon fiber filaments, and the second wrapping sleeve wraps the carbon fiber filaments; the impact resistance and the stretching resistance of the safety rope are greatly improved through cooperation of the stranded ropes and the main rope, and therefore the performance of the safety rope is enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of safety ropes, and in particular relates to a multi-layer composite safety rope. Background Art

[0002] Safety rope is woven from synthetic fibers and is an auxiliary rope used to connect safety belts. Its function is double protection to ensure safety. The general length is 2 meters, and there are also 2.5 meters, 3 meters, 5 meters, 10 meters and 15 meters. Safety ropes longer than 5 meters can also be used as suspension ropes.

[0003] The existing Chinese patent with announcement number CN203264072U discloses a safety rope having a circular metal inner core, a braided belt layer is arranged on the outside of the metal inner core, a high temperature resistant flame retardant layer is coated on the outside of the braided belt layer, and a raised anti-sliding block is provided on the surface of the high temperature resistant flame retardant layer.

[0004] With respect to the above-mentioned related technologies, the inventors have found that there are at least the following problems in the technologies: the existing safety ropes have a single structure, limited ability to withstand tensile impact, poor performance, and a short service life. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-layer composite safety rope to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-layer composite safety rope, comprising a main rope, a strand rope and a wear-resistant outer jacket, wherein the main rope and the strand rope are both arranged in the wear-resistant outer jacket, the strand rope has six strands, and the six strand ropes are spirally twisted outside the main rope, the main rope comprises a steel wire main core, a flax braided wire and a first wrapping sleeve, the flax braided wire has six strands, and the six flax braided wires are spirally twisted outside the steel wire main core, the first wrapping sleeve is wrapped around the outside of the steel wire main core and the flax braided wire, the first wrapping sleeve comprises a nylon braided layer and a glass fiber braided layer, and the nylon braided layer is fixedly connected to the outer surface of the glass fiber braided layer;

[0007] The yarn includes a second wrapping sleeve and a plurality of carbon fiber filaments, wherein the second wrapping sleeve is wrapped around the outside of the plurality of carbon fiber filaments.

[0008] As a preferred embodiment, the second wrapping sleeve includes an aramid fiber braided layer.

[0009] As a preferred implementation, a flame retardant layer is provided on the outer surface of the aramid fiber braided layer.

[0010] As a preferred implementation, the wear-resistant outer sleeve is a rubber sleeve.

[0011] As a preferred embodiment, the inner surface of the wear-resistant outer jacket is provided with a plurality of reinforcing steel wires, and the reinforcing steel wires are arranged along the length direction of the wear-resistant outer jacket.

[0012] As a preferred embodiment, the outer surface of the wear-resistant outer sleeve is provided with a plurality of anti-slip protrusions, and the plurality of anti-slip protrusions are evenly distributed along the length direction of the wear-resistant outer sleeve.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The multi-layer composite safety rope has strong impact resistance and tensile strength by setting the strand rope, and the carbon fiber filaments have strong impact resistance and tensile strength, so that the strand rope has strong impact resistance and tensile strength, and the strand rope cooperates with the main rope to greatly improve the impact resistance and tensile strength of the safety rope, thereby enhancing the performance of the safety rope;

[0015] The multi-layer composite safety rope has a first wrapping sleeve, and the nylon braided layer has good strength and toughness, and the glass fiber braided layer has good flexibility and tensile strength, which can enhance the structural strength of the main rope, thereby enhancing the overall strength of the safety rope. By setting the second wrapping sleeve, the structural strength of the strands can be enhanced due to the high strength, strong toughness and chemical stability of the aramid fiber. By setting the flame retardant layer, the flame retardant effect of the safety rope can be improved, thereby extending the service life of the safety rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the main rope of the utility model;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the yarn of the utility model.

[0020] In the figure: 1. main rope; 11. steel wire main core; 12. flax braided wire; 13. first wrapping sleeve; 131. nylon braided layer; 132. glass fiber braided layer; 2. strand rope; 21. second wrapping sleeve; 211. aramid fiber braided layer; 212. flame retardant layer; 22. carbon fiber wire; 3. wear-resistant outer jacket; 31. reinforced steel wire; 32. anti-slip protrusions. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the embodiments.

[0022] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0023] See also Figure 1-4 The utility model provides a multi-layer composite safety rope, including a main rope 1, a strand rope 2 and a wear-resistant outer jacket 3. The main rope 1 and the strand rope 2 are both arranged in the wear-resistant outer jacket 3. The strand rope 2 has six strands, and the six strand ropes 2 are twisted spirally outside the main rope 1. The main rope 1 includes a steel wire main core 11, a flax braided wire 12 and a first wrapping sleeve 13. The flax braided wire 12 has six strands, and the six flax braided wires 12 are twisted spirally outside the steel wire main core 11. By arranging the steel wire main core 11 and the six flax braided wires 12, the main rope 1 can be guaranteed to have a certain Initial strength, the first wrapping sleeve 13 is wrapped around the outside of the steel wire main core 11 and the linen braided wire 12, the first wrapping sleeve 13 includes a nylon braided layer 131 and a glass fiber braided layer 132, the nylon braided layer 131 is fixedly connected to the outer surface of the glass fiber braided layer 132, by setting the first wrapping sleeve 13, the nylon braided layer 131 has good strength and toughness, and the glass fiber braided layer 132 has good flexibility and tensile strength, which can enhance the structural strength of the main rope 1, thereby enhancing the overall strength of the safety rope.

[0024] Reference Figure 4 The strand rope 2 includes a second wrapping sleeve 21 and a plurality of carbon fiber filaments 22. The second wrapping sleeve 21 is wrapped around the outside of the plurality of carbon fiber filaments 22. By setting the carbon fiber filaments 22, the carbon fiber filaments 22 have extremely strong impact resistance and tensile strength, so that the strand rope 2 has extremely strong impact resistance and tensile strength. The strand rope 2 cooperates with the main rope 1 to greatly improve the impact resistance and tensile strength of the safety rope, thereby enhancing the performance of the safety rope. The second wrapping sleeve 21 includes an aramid fiber braided layer 211. By setting the aramid fiber braided layer 211, since the aramid fiber has high strength, strong toughness and chemical stability, the structural strength of the strand rope 2 can be enhanced and the service life of the strand rope 2 can be extended. The outer surface of the aramid fiber braided layer 211 is provided with a flame retardant layer 212. The flame retardant layer 212 is a flame retardant fiber braided layer. By setting the flame retardant layer 212, the flame retardant effect of the safety rope can be improved.

[0025] Reference Figure 1 and Figure 2 The wear-resistant jacket 3 is a rubber jacket. The rubber has impact resistance and can improve the impact resistance of the safety rope. The inner surface of the wear-resistant jacket 3 is provided with a plurality of reinforcing steel wires 31. The reinforcing steel wires 31 are arranged along the length direction of the wear-resistant jacket 3. By providing the reinforcing steel wires 31, the reinforcing effect of the wear-resistant jacket 3 can be improved and the structural strength of the wear-resistant jacket 3 can be improved.

[0026] Furthermore, a plurality of anti-skid protrusions 32 are provided on the outer surface of the wear-resistant jacket 3, and the plurality of anti-skid protrusions 32 are evenly distributed along the length direction of the wear-resistant jacket 3. By providing the anti-skid protrusions 32, the anti-skid property of the outer surface of the wear-resistant jacket 3 can be improved, thereby improving the anti-skid effect of the safety rope.

[0027] The working principle and use process of the utility model are as follows: First, by setting a steel wire main core 11 and six flax braided wires 12, it can be ensured that the main rope 1 has a certain initial strength. By setting the first wrapping sleeve 13, the nylon braided layer 131 has good strength and toughness, and the glass fiber braided layer 132 has good flexibility and tensile strength, which can enhance the structural strength of the main rope 1, thereby enhancing the overall strength of the safety rope. By setting the carbon fiber filaments 22, the carbon fiber filaments 22 have extremely strong impact resistance and tensile resistance, so that the strand rope 2 has extremely strong impact resistance and tensile resistance. The strand rope 2 cooperates with the main rope 1 to greatly improve the impact resistance and tensile resistance of the safety rope, thereby enhancing the performance of the safety rope.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-layer composite safety rope, comprising a main rope (1), strands (2) and a wear-resistant outer cover (3), characterized in that: The main rope (1) and the strands (2) are both arranged in a wear-resistant outer casing (3); there are six strands (2), and the six strands (2) are twisted in a spiral outside the main rope (1); the main rope (1) comprises a steel wire main core (11), a flax braided wire (12) and a first wrapping sleeve (13); there are six flax braided wires (12), and the six flax braided wires (12) are twisted in a spiral outside the steel wire main core (11); the first wrapping sleeve (13) is wrapped around the outside of the steel wire main core (11) and the flax braided wire (12); the first wrapping sleeve (13) comprises a nylon braided layer (131) and a glass fiber braided layer (132); the nylon braided layer (131) is fixedly connected to the outer surface of the glass fiber braided layer (132); The yarn (2) comprises a second wrapping sleeve (21) and a plurality of carbon fiber filaments (22), wherein the second wrapping sleeve (21) is wrapped around the outside of the plurality of carbon fiber filaments (22).

2. A multi-layer composite safety rope according to claim 1, characterized in that: The second wrapping sleeve (21) comprises an aramid fiber braided layer (211).

3. A multi-layer composite safety rope according to claim 2, characterized in that: The outer surface of the aramid fiber braided layer (211) is provided with a flame retardant layer (212).

4. The multi-layer composite safety rope according to claim 1, characterized in that: The wear-resistant outer sleeve (3) is a rubber sleeve.

5. The multi-layer composite safety rope according to claim 1, characterized in that: The inner surface of the wear-resistant outer jacket (3) is provided with a plurality of reinforcing steel wires (31), and the reinforcing steel wires (31) are arranged along the length direction of the wear-resistant outer jacket (3).

6. The multi-layer composite safety rope according to claim 1, characterized in that: The outer surface of the wear-resistant outer jacket (3) is provided with a plurality of anti-skid protrusions (32), and the plurality of anti-skid protrusions (32) are evenly distributed along the length direction of the wear-resistant outer jacket (3).

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