CN217758101U - Polymer rope core - Google Patents

Abstract

The utility model provides a polymer rope core, it includes the ultra high molecular weight polyethylene inner core, the outer core of pp, the reinforcing steel wire, elastic rubber protective layer and weave wear-resisting rope, the setting up of ultra high molecular weight polyethylene inner core makes the rope core have stronger tensile force performance, make the weight of rope core also corresponding lighter simultaneously, the setting up of the outer core of pp makes when having strengthened tensile force performance, also corresponding broken load and the bending fatigue life who has improved the rope core, and the setting up of elastic rubber protective layer makes after this polymer rope core preparation is wire rope, can cushion the extrusion between rope core and each strand of periphery, make wire rope more stable and difficult object by the external world crush at the in-process that uses, and then wire rope's tensile strength has been increased, it makes the antifriction performance between rope core and each strand of periphery better to weave setting up of wear-resisting rope. Therefore, the polymer rope core has the advantages of good bending fatigue resistance, wear resistance, chemical corrosion resistance and the like, and has extremely high use value.

Description

Polymer rope core

Technical Field

The utility model relates to a wire rope core technical field especially relates to a polymer rope core.

Background

The steel wire rope is a spiral steel wire bundle which is formed by twisting steel wires with mechanical properties and geometric dimensions meeting requirements according to a certain rule, and consists of the steel wires, a rope core and lubricating grease. The steel wire rope has the advantages of high strength, light dead weight, stable work, difficulty in breaking the whole wire rope, reliable work and wide application in daily life. Due to the unique properties of steel wire ropes, the steel wire ropes are indispensable materials or parts in the fields of metallurgy, mining, oil and gas drilling, machinery, chemical engineering, aerospace and the like, so the quality of the steel wire ropes is concerned by a plurality of industries, wherein the core of the steel wire ropes is a key part for ensuring the quality of the steel wire ropes.

Therefore, perfecting the structural design of the rope core and improving the applicability of the rope core are effective ways for improving the comprehensive use performance of the steel wire rope. How to improve the comprehensive performance of the rope core of the steel wire rope, for example, the strength of the rope core is improved, the oil absorption performance of the rope core is not influenced, the pressure resistance of the rope core is improved, and the like, and the steel wire rope has important significance for improving the rope core and even the whole steel wire rope. The single rope core structure is changed, so that the rope core is optimized, and the performance of the rope core is enhanced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polymer rope core has solved the not good problem of present wire rope core intensity, bending fatigue life, result of use.

The utility model provides a polymer rope core, its includes that a ultra high molecular weight polyethylene inner core, the outer core of pp of predetermined quantity, predetermined quantity's reinforcing steel wire, an elastic rubber protective layer, predetermined quantity weave wear-resisting rope, predetermined quantity the outer core of pp evenly encircle set up in the outside of ultra high molecular weight polyethylene inner core, predetermined quantity's reinforcing steel wire evenly encircle set up in the outer core outside of pp, the cladding of elastic rubber protective layer in strengthen the steel wire outside, predetermined quantity weave wear-resisting rope evenly encircle to wind set up in the elastic rubber protective layer outside.

Preferably, the pp outer core comprises a central steel wire and a pp outer core body circumferentially disposed outside the central steel wire. This outer core of PP makes when strengthening the tensile properties, has also correspondingly improved the broken load and the bending fatigue life of wick, and simultaneously, there is not environmental stress fracture problem in the outer core of PP, has improved the life of wick greatly.

Preferably, the diameter of the inner ultra high molecular weight polyethylene core is greater than the diameter of the pp outer core.

Preferably, the ultra-high molecular weight polyethylene inner core is in point contact with the pp outer core and the two adjacent pp outer cores, so that stress concentration points inside the rope core can be reduced correspondingly.

Preferably, the ultra-high molecular weight polyethylene inner core is formed by twisting a plurality of ultra-high molecular weight polyethylene filaments.

Preferably, the braided wear-resistant rope is a nylon braided wear-resistant rope. Because the wear-resisting property of the whole nylon woven wear-resisting rope is better, the wear-resisting layer on the outer surface of the rope core can effectively reduce the wear between other outer layer strands which are twisted with the outside after the rope core is made into the steel wire rope, the service life of the rope core is prolonged, the service life of the made steel wire rope is prolonged, the price of the nylon woven wear-resisting rope is lower, and the consumption cost for making the rope core can be effectively reduced.

Preferably, the braided wear-resistant cords are impregnated with grease.

Preferably, the thickness of the elastic rubber protection layer is set to be 1-2mm.

Preferably, a gap between the ultra-high molecular weight polyethylene inner core and the pp outer core is filled with a polymer fiber filling core, and the polymer fiber filling core is a polyarylate fiber filling core. The tensile property of the rope core is increased, and the corrosion resistance of the rope core is correspondingly increased. The polyarylester fiber filling core has excellent wear resistance, aging resistance and chemical corrosion resistance, glue adding or chemical reagent adding treatment is not needed, the filling process is greatly shortened, the production efficiency is improved, and the cost is reduced. The fiber used for preparing the rope core has small creep, excellent dimensional stability, good flame retardant property and excellent mechanical property. Therefore, the performance of the rope core is further enhanced by filling the polyarylate fiber filling core, and the rope core has more excellent aging resistance, chemical corrosion resistance and mechanical property.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a polymer rope core, it includes an ultra high molecular weight polyethylene inner core, the outer core of pp of predetermined quantity, predetermined quantity's reinforcing steel wire, an elastic rubber protective layer, predetermined quantity's the wear-resisting rope of weaving, the setting up of ultra high molecular weight polyethylene inner core makes the rope core have stronger tensile force performance, make the weight of rope core also corresponding lighter simultaneously, the setting up of the outer core of pp makes when having strengthened tensile force performance, also corresponding broken load and the bending fatigue life who has improved the rope core, and the setting up of elastic rubber protective layer makes when this polymer rope core preparation is behind the wire rope, can cushion the extrusion between rope core and each strand of periphery, make wire rope stable more and be difficult for being crushed by external object at the in-process that uses, and then increased wire rope's tensile strength, the setting up of weaving wear-resisting rope makes when this polymer rope core preparation is behind the wire rope, can the antifriction performance between rope core and each strand of periphery better. Therefore, the polymer rope core has the characteristics of high strength, high density, light weight and the like, has the advantages of good diameter uniformity, bending fatigue resistance, wear resistance, chemical corrosion resistance and the like, and has extremely high use value.

Drawings

Fig. 1 is a schematic structural view of the polymer rope core of the present invention.

Wherein:

1-ultra-high molecular weight polyethylene inner core, 2-pp outer core, 3-reinforced steel wire, 4-elastic rubber protective layer and 5-braided wear-resistant rope.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the embodiment provides a polymer rope core, which includes an ultra-high molecular weight polyethylene inner core 1, pp outer cores 2 of a predetermined number, reinforcing steel wires 3 of a predetermined number, an elastic rubber protective layer 4, and braided wear-resistant ropes 5 of a predetermined number, wherein the pp outer cores 2 of a predetermined number are uniformly arranged around the outer side of the ultra-high molecular weight polyethylene inner core 1, the reinforcing steel wires 3 of a predetermined number are uniformly arranged around the outer side of the pp outer cores 2, the elastic rubber protective layer 4 is coated on the outer side of the reinforcing steel wires 3, and the braided wear-resistant ropes 5 of a predetermined number are uniformly arranged around the outer side of the elastic rubber protective layer 4.

Specifically, the pp outer core 2 comprises a center steel wire and a pp outer core 2 body arranged around the outside of the center steel wire. This outer core 2 of pp makes when strengthening tensile properties, also correspondingly improves the broken load and the bending fatigue life of rope core, and simultaneously, outer core 2 of pp does not have the environmental stress fracture problem, has improved the life of rope core greatly.

Preferably, the diameter of the inner ultra high molecular weight polyethylene core 1 is larger than the diameter of the pp outer core 2. Thereby facilitating the production of the rope core. The ultra-high molecular weight polyethylene inner core 1 and the pp outer core 2 and two adjacent pp outer cores 2 are in point contact, so that stress concentration points in the rope core can be correspondingly reduced.

Preferably, the ultra-high molecular weight polyethylene inner core 1 is formed by twisting a plurality of ultra-high molecular weight polyethylene monofilaments. The ultra-high molecular weight polyethylene inner core 1 reduces the weight and increases the tensile property. It should be noted here that the ultra-high molecular weight polyethylene fiber monofilament has high specific strength, high specific modulus, low elongation at break, and excellent chemical corrosion resistance, and when made into a rope core, the rope core has high strength, large rigidity, and is not easy to break. And can adsorb grease. Therefore, preferably, the ultra-high molecular weight polyethylene inner core 1 can be soaked with grease, so that the friction between the rope core and other strands can be reduced after the rope core is made into a steel wire rope.

Preferably, the braided wear-resistant rope 5 is a nylon braided wear-resistant rope 5. The nylon braided wear-resistant rope 5 comprises a plurality of strands, and each strand of nylon braided wear-resistant rope 5 is formed by braiding a plurality of nylon monofilaments. Because the wear-resisting performance of nylon weaving wear-resisting rope 5 is better, it can regard as the wearing layer of the rope core surface effectual reduction rope core preparation wire rope after with outside package between the other outer layer thigh wearing and tearing, improve the life of rope core, and then make the life-span of the wire rope of preparation longer, and the price that wear-resisting rope 5 was woven to nylon is lower, can the effectual consumption cost who reduces the preparation rope core. Preferably, the braided wear-resistant rope 5 is impregnated with grease, so that abrasion between the rope core and other outer layer strands wrapped and twisted outside the rope core after the steel wire rope is manufactured is further effectively reduced.

Preferably, the thickness of the elastic rubber protection layer 4 is set to 1 to 2mm. After being made into the steel wire rope, the extrusion between the rear rope core and each strand of the periphery is effectively buffered.

Preferably, a gap between the ultra-high molecular weight polyethylene inner core 1 and the pp outer core 2 is filled with a polymer fiber filling core, and the polymer fiber filling core is a polyarylate fiber filling core. The tensile property of the rope core is increased, and meanwhile, the corrosion resistance of the rope core is correspondingly increased. The polyarylester fiber filling core has excellent wear resistance, aging resistance and chemical corrosion resistance, glue or chemical reagent adding treatment is not needed, the filling process is greatly shortened, the production efficiency is improved, and the cost is reduced. The fiber used for preparing the rope core has small creep, excellent dimensional stability, good flame retardant property and excellent mechanical property. Therefore, the performance of the rope core is further enhanced by filling the polyarylate fiber filling core, and the rope core has more excellent aging resistance, chemical corrosion resistance and mechanical property.

The utility model provides a polymer rope core, it includes an ultra high molecular weight polyethylene inner core 1, predetermined amount's pp outer core 2, predetermined amount's reinforcing steel wire 3, an elastic rubber protective layer 4, predetermined amount's weaving wear-resisting rope 5, ultra high molecular weight polyethylene inner core 1's setting makes the rope core have stronger tensile force performance, make the weight of rope core also corresponding lighter simultaneously, pp outer core 2's setting makes when having strengthened tensile force performance, also corresponding broken load and the crooked fatigue life who has improved the rope core, reinforcing steel wire 3's setting has improved the tensile force performance of rope core, the intensity of rope core has been guaranteed, and elastic rubber protective layer 4's setting makes after this polymer rope core preparation is wire rope, can cushion the extrusion between rope core and each strand of periphery, make wire rope more stable and difficult quilt of the in-process of using crushd by external object, and then wire rope's tensile strength has been increased, it makes this polymer rope core of rope after being wire rope preparation to weave wear-resisting rope 5's setting, can be wire rope core and periphery each strand of friction-resisting performance between. Therefore, the polymer rope core has the characteristics of high strength, high density, light weight and the like, has the advantages of good diameter uniformity, bending fatigue resistance, wear resistance, chemical corrosion resistance and the like, and has extremely high use value.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

Claims (9)

1. A polymer rope core is characterized in that: it includes that an ultra high molecular weight polyethylene inner core, the outer core of pp of predetermined quantity, predetermined quantity's reinforcing steel wire, an elastic rubber protective layer, predetermined quantity weave wear-resisting rope, predetermined quantity the outer core of pp evenly encircle set up in the outside of ultra high molecular weight polyethylene inner core, predetermined quantity's reinforcing steel wire evenly encircle set up in the outer core outside of pp, the elastic rubber protective layer cladding in the reinforcing steel wire outside, predetermined quantity weave wear-resisting rope evenly encircle to wind to twist with fingers set up in the elastic rubber protective layer outside.

2. The polymeric cord of claim 1, wherein the pp outer core comprises a central steel wire and a pp outer core body disposed around the outer side of the central steel wire.

3. The polymeric rope core of claim 1, wherein the diameter of the inner ultra-high molecular weight polyethylene core is greater than the diameter of the pp outer core.

4. The polymeric rope core of claim 1, wherein the ultra-high molecular weight polyethylene inner core is in point contact with the pp outer core and the two adjacent pp outer cores.

5. The polymer rope core according to claim 1, wherein said ultra-high molecular weight polyethylene inner core is formed by twisting a plurality of ultra-high molecular weight polyethylene filaments.

6. The polymer rope core of claim 1, wherein a gap between the inner ultra-high molecular weight polyethylene core and the pp outer core is filled with a polymer fiber filled core, wherein the polymer fiber filled core is a polyarylate fiber filled core.

7. The polymer rope core according to claim 1, wherein the woven abrasion-resistant rope is a nylon woven abrasion-resistant rope.

8. The polymeric rope core of claim 1, wherein the braided abrasion resistant rope is impregnated with a grease.

9. The polymer rope core according to claim 1, wherein the thickness of the elastic rubber protective layer is set to 1 to 2mm.

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