CN213086432U

CN213086432U - Polyolefin reinforced wear-resistant fiber rope

Info

Publication number: CN213086432U
Application number: CN202021702573.6U
Authority: CN
Inventors: 葛亮; 赖彦睿; 金海涛; 葛师善; 葛娅嫔; 葛翔; 陈丽丽
Original assignee: Zhejiang Hai Lun Rope Net Co ltd
Current assignee: Zhejiang Hai Lun Rope Net Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-30
Anticipated expiration: 2030-08-14

Abstract

The application relates to a polyolefin reinforced wear-resistant fiber rope, which comprises a rope core and six rope strands twisted around the rope core, wherein the rope core comprises four twisted core wires, and the twisting direction of the four core wires is opposite to the twisting direction of the six rope strands; the strands comprise a strand core and six rope yarns twisted around the strand core, and the twisting directions of the six rope yarns in two adjacent strands are opposite in the circumferential direction of the rope core. The rope has the advantages that the rope strands and the rope core with opposite twisting directions are utilized, and the twisting directions of six rope yarns in two adjacent rope strands are opposite, so that the possibility of rope loosening is effectively reduced, the normal use of the rope is ensured, and the abnormal abrasion of the rope is controlled.

Description

Polyolefin reinforced wear-resistant fiber rope

Technical Field

The application relates to the field of ropes, in particular to a polyolefin reinforced wear-resistant fiber rope.

Background

At present, a rope is formed by twisting a plurality of monofilaments into a rope yarn, twisting a plurality of rope yarns into a rope strand, and finally twisting a plurality of rope strands into a rope.

Meanwhile, in order to ensure the strength of the rope, a rope core is usually embedded in the center of the multiple strands, namely, the multiple strands are twisted around the rope core to form the rope.

The main damage of the rope in use is abrasion, namely, the monofilament is broken by friction and abrasion with materials such as metal, cement and the like.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the rope may be loosened in long-term use, and then loose strands are rubbed with materials such as metal and cement, which causes abrasion of the rope to be increased.

SUMMERY OF THE UTILITY MODEL

In order to control the wear of the rope, the present application provides a polyolefin reinforced abrasion resistant fiber rope.

The polyolefin reinforced wear-resistant fiber rope adopts the following technical scheme:

a polyolefin-reinforced abrasion-resistant fiber rope comprises a rope core and a plurality of rope strands twisted around the rope core, wherein each rope strand comprises a plurality of twisted rope yarns, and the twisting directions of the rope yarns in two adjacent rope strands in the circumferential direction around the rope core are opposite.

By adopting the technical scheme, the twisting directions of the rope yarns in the two adjacent rope strands are opposite, so that the two rope strands cannot be simultaneously loosened, the possibility of rope loosening is further reduced, the rope is normally used, and further, the friction between the loosened single rope strand and materials such as metal and cement is avoided, and the friction and the abrasion of the rope are controlled.

Preferably, the cord core comprises a plurality of twisted core wires.

Through adopting above-mentioned technical scheme, guarantee the tensile strength of rope core, simultaneously, reduce the bending strength of rope core, the rope core of being convenient for is crooked for the rope is comparatively soft.

Preferably, the twisting direction of the core wire is opposite to the twisting direction of the strand.

By adopting the technical scheme, the loosening of a plurality of strands is further limited through the reversely twisted rope core, so that the friction between a single loose strand and materials such as metal, cement and the like is avoided, and the friction and the abrasion of the rope are controlled.

Preferably, an anti-slip layer is sleeved on the rope core, and the plurality of rope strands are twisted around the anti-slip layer.

By adopting the technical scheme, the anti-slip layer is utilized to block the relative sliding between the rope core and the rope strands along the axial direction of the rope, so that the rope can be normally used.

Preferably, an inner anti-slip groove is formed in the inner wall of the anti-slip layer, an outer anti-slip groove is formed in the outer wall of the anti-slip layer, the core wire is embedded into the inner anti-slip groove, and the strand is embedded into the outer anti-slip groove.

By adopting the technical scheme, the limiting between the rope core and the rope strands is better realized, and the relative sliding between the rope core and the rope strands along the axial direction of the rope is blocked, so that the rope is normally used.

Preferably, a wear-resistant layer is sleeved on the strand.

By adopting the technical scheme, the wear resistance of the rope strand is improved, and the wear resistance of the rope is further improved.

Preferably, the strand further comprises a strand core, and a plurality of the rope yarns are twisted around the strand core.

By adopting the technical scheme, the strand core can be made of wear-resistant materials, if the rope yarn is broken due to wear, the strand core rubs with materials such as metal and cement, the wear degree of the strand is controlled, and time is strived for replacing the rope.

Preferably, the rope yarn is formed by twisting polyolefin alloy monofilaments.

By adopting the technical scheme, the monofilament is made of the polyolefin alloy material, has higher tensile strength and wear resistance, and is favorable for improving the tensile strength and wear resistance of the rope.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rope strands and the rope cores with opposite twisting directions are utilized, and the twisting directions of six rope yarns in two adjacent rope strands are opposite, so that the possibility of rope loosening is effectively reduced, the normal use of the rope is facilitated, and abnormal wear is controlled;

2. an anti-slip layer is arranged between the rope strands and the rope core, so that the rope core and the rope strands are limited, the rope core and the rope strands are prevented from sliding relatively in the axial direction of the rope, normal use of the rope is facilitated, and abnormal abrasion is controlled.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural view of the anti-slip layer.

Fig. 3 is an enlarged schematic view at a in fig. 1.

Description of reference numerals: 1. a rope core; 11. a core wire; 12. an anti-slip layer; 121. an inner anti-slip groove; 122. an outer anti-slip groove; 2. a strand; 21. a strand core; 22. rope yarn; 23. and a wear-resistant layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a polyolefin reinforced wear-resistant fiber rope.

Referring to fig. 1, a polyolefin-reinforced abrasion resistant fiber rope comprises a core 1 and six strands 2 twisted around the core 1.

Referring to fig. 1, the cord 1 includes four twisted core wires 11 and an anti-slip layer 12 wrapped around the four core wires 11.

Meanwhile, the direction in which the four core wires 11 are twisted is opposite to the direction in which the six strands 2 are twisted.

Referring to fig. 1 and 2, the anti-slip layer 12 can be made of PE and is tubular, an inner anti-slip groove 121 is formed in the inner wall of the anti-slip layer 12, the inner anti-slip groove 121 is spiral, and one side of each core wire 11 deviating from the other core wires 11 is embedded in the inner anti-slip groove 121.

Referring to fig. 1 and 3, the strand 2 includes a strand core 21, six yarns 22 twisted around the strand core 21, and a wear-resistant layer 23 wrapped around the six yarns 22.

The rope yarns 22 are formed by twisting polyolefin alloy monofilaments, so that the rope yarns 22 have high strength and wear resistance; the strand core 21 is formed by twisting polyolefin alloy monofilaments and metal monofilaments, and the wear resistance of the strand core 21 is obviously improved by using the metal monofilaments; the wear-resistant layer 23 may be made of PE and is tubular.

Referring to fig. 3, the twisting directions of six yarns 22 in two adjacent strands 2 are opposite in the circumferential direction around the core 1.

Referring to fig. 2 and 3, an outer anti-slip groove 122 is formed in the inner wall of the anti-slip layer 12, the outer anti-slip groove 122 is spiral, the rotation directions of the outer anti-slip groove 122 and the inner anti-slip groove 121 are opposite, and one side of each strand 2 facing the core 1 is embedded into the outer anti-slip groove 122, so that the position limitation between the strand 2 and the core 1 is realized.

The implementation principle of the polyolefin reinforced wear-resistant fiber rope in the embodiment of the application is as follows: the rope strands 2 and the rope core 1 with opposite twisting directions are utilized, and the twisting directions of six rope yarns 22 in two adjacent rope strands 2 are opposite, so that the possibility of rope loosening is effectively reduced, and meanwhile, the limiting between the rope strands 2 and the rope core 1 is realized by the arrangement of the anti-skidding layer 12, so that the normal use of the rope is ensured;

the rope is normally used to avoid abnormal wear and is provided with a wear layer 23 and a strand core 21 mixed with metal wires to improve the wear resistance of the rope.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A polyolefin-reinforced abrasion-resistant fiber rope comprising a core (1) and a number of strands (2) twisted around the core (1), characterized in that: each rope strand (2) comprises a plurality of twisted rope yarns (22), and the twisting directions of the rope yarns (22) in two rope strands (2) which are adjacent in the circumferential direction around the rope core (1) are opposite.

2. A polyolefin-reinforced abrasion resistant fiber rope according to claim 1, characterized in that: the rope core (1) comprises a plurality of twisted core wires (11).

3. A polyolefin-reinforced abrasion resistant fiber rope according to claim 2, characterized in that: the twisting direction of the core wire (11) is opposite to that of the strand (2).

4. A polyolefin-reinforced abrasion resistant fiber rope according to claim 2, characterized in that: an anti-skid layer (12) is sleeved on the rope core (1), and the rope strands (2) are twisted around the anti-skid layer (12).

5. A polyolefin-reinforced abrasion resistant fiber rope according to claim 4, characterized in that: the anti-skid device is characterized in that an inner anti-skid groove (121) is formed in the inner wall of the anti-skid layer (12), an outer anti-skid groove (122) is formed in the outer wall of the anti-skid layer (12), the core wire (11) is embedded into the inner anti-skid groove (121), and the strand (2) is embedded into the outer anti-skid groove (122).

6. A polyolefin-reinforced abrasion resistant fiber rope according to claim 1, characterized in that: the strand (2) is sleeved with a wear-resistant layer (23).

7. A polyolefin-reinforced abrasion resistant fiber rope according to claim 1, characterized in that: the rope strand (2) also comprises a strand core (21), and a plurality of rope yarns (22) are twisted around the strand core (21).

8. A polyolefin-reinforced abrasion resistant fiber rope according to claim 1, characterized in that: the rope yarns (22) are formed by twisting polyolefin alloy monofilaments.