阅读说明：本技术 一种用碳纤维复合材料钢丝绳生产的防扭绳 (Prevent turning round rope with carbon-fibre composite wire rope production ) 是由 黄磊 金清 王洪标 蒋婷慧 刘炜波 裴立坤 朱仁刚 朱元林 冯平 于 2021-09-07 设计创作，主要内容包括：本发明涉及一种用碳纤维复合材料钢丝绳生产的防扭绳,所述防扭绳由内外两层钢丝绳编织缠绕而成,内层和外层的每股钢丝绳结构相同,其中每股钢丝绳从内到外有两层结构,其中最中间为中间芯层,所述中间芯层的外围设有四至八个钢丝股,所述多个钢丝股绞合在中间芯层的表面,中间芯层和钢丝股通过一次捻制而绞合,所述中间芯层为碳纤维复合材料筋,碳纤维丝的表面带有螺旋肋,所述钢丝股为压实股钢丝绳,钢丝股表面的钢丝经过旋锻机锻打或者采用模拉后,形成压实股。它具有低伸长率、高抗拉强度的特点,并且抗疲劳性能和反复弯曲性能较好,在密度、刚度、重量、疲劳特性等有严格要求的领域,在要求高温、化学稳定性高的场合都颇具优势。(The invention relates to an anti-twist rope produced by using a carbon fiber composite steel wire rope, which is formed by weaving and winding an inner layer steel wire rope and an outer layer steel wire rope, wherein each steel wire rope of the inner layer and each steel wire rope of the outer layer have the same structure, each steel wire rope has a two-layer structure from inside to outside, the middle of each steel wire rope is a middle core layer, four to eight steel wire strands are arranged on the periphery of the middle core layer, the plurality of steel wire strands are twisted on the surface of the middle core layer, the middle core layer and the steel wire strands are twisted through one-time twisting, the middle core layer is a carbon fiber composite material rib, spiral ribs are arranged on the surface of the carbon fiber wires, the steel wire strands are compacted strand steel wire ropes, and steel wires on the surfaces of the steel wire strands are forged by a rotary forging machine or are drawn by a die to form compacted strands. The high-strength steel has the characteristics of low elongation and high tensile strength, has better fatigue resistance and repeated bending performance, and has advantages in the fields with strict requirements on density, rigidity, weight, fatigue property and the like and in the occasions requiring high temperature and high chemical stability.)

1. The utility model provides an prevent turning round rope with carbon-fibre composite wire rope production which characterized in that: the anti-twisting rope is formed by weaving and winding an inner layer of steel wire rope (1) and an outer layer of steel wire rope (1), the structures of the inner layer of steel wire rope (1) and the outer layer of steel wire rope (1) are the same, wherein each steel wire rope (1) has a two-layer structure from inside to outside, the middle core layer (1.1) is arranged at the middle, four to eight steel strands (1.2) are arranged on the periphery of the middle core layer (1.1), the steel strands (1.2) are stranded on the surface of the middle core layer (1.1), the middle core layer (1.1) and the steel strands (1.2) are stranded through one-time twisting, the carbon fiber composite material rib is formed by carbon fiber wires (1.1.1.1) and epoxy resin layers (1.1.2), the epoxy resin layers (1.1.2) are attached to the surface of the carbon fiber wires (1.1.1.1.1), spiral ribs (1.3) are arranged on the surface of the carbon fiber wires (1.1.1.1.1.1.1) and the steel strands (1.2) are compacted by a steel wire drawing machine or a steel wire drawing machine through spinning and forging, forming compacted strands.

2. The anti-twist rope produced by the carbon fiber composite steel wire rope according to claim 1, characterized in that: the inner layer steel wire rope (1) is four strands or six strands.

3. The anti-twist rope produced by the carbon fiber composite steel wire rope according to claim 2, characterized in that: when the inner layer is four-strand steel wire ropes, the outer layer steel wire ropes (1) have four strands or eight strands to form square eight-strand or square twelve-strand anti-twisting ropes.

4. The anti-twist rope produced by the carbon fiber composite steel wire rope according to claim 2, characterized in that: when the inner layer is a six-strand steel wire rope, the outer layer steel wire rope (1) has six strands or twelve strands to form a hexagonal twelve-strand or hexagonal eighteen-strand anti-twisting rope.

5. The anti-twist rope produced by the carbon fiber composite steel wire rope according to claim 1, characterized in that: the steel wire strand (1.2) is 4xK36WS type, the steel wire strand (1.2) has four-layer structure from inside to outside, the inlayer is single steel wire (1.2.1), the second floor is seven steel wires (1.2.1), the third layer is fourteen steel wires (1.2.1), wherein there are seven thick steel wires, seven thin steel wires, thick steel wire and thin steel wire interval arrangement, the fourth floor is fourteen steel wires (1.2.1), the surface of the fourteen steel wires (1.2.1) of the third layer has the face of beating or die drawing.

6. The anti-twist rope produced by the carbon fiber composite steel wire rope according to claim 1, characterized in that: the steel wire strand (1.2) is of a 6xK19S type, the steel wire strand (1.2) has a three-layer structure from inside to outside, the innermost layer is a single steel wire (1.2.1), the second layer is nine steel wires (1.2.1), the third layer is nine steel wires (1.2.1), and the surfaces of six steel wires (1.2.1) of the third layer are provided with forging or die drawing surfaces.

7. The anti-twist rope produced by the carbon fiber composite steel wire rope according to claim 1, characterized in that: the steel wire strand (1.2) is of a 6xK7 type, the steel wire strand (1.2) has a two-layer structure from inside to outside, the inner layer is a single steel wire (1.2.1), the outer layer is six steel wires (1.2.1), and the surfaces of the six outer steel wires (1.2.1) are provided with forging or die drawing surfaces.

8. The anti-twist rope produced by the carbon fiber composite steel wire rope according to claim 1, characterized in that: the rib width range of the spiral rib (1.1.3) is 1.00-5.50 mm.

9. The anti-twist rope produced by the carbon fiber composite steel wire rope according to claim 1, characterized in that: the rib spacing range of two adjacent spiral ribs (1.1.3) is 1.00-3.25 mm.

10. The anti-twist rope produced by the carbon fiber composite steel wire rope according to claim 1, characterized in that: the fiber volume content of the carbon fiber composite material rib is 10% -78%.

Technical Field

The invention relates to an anti-twisting rope produced by a carbon fiber composite steel wire rope, belonging to the technical field of metal products.

Background

The anti-twisting rope is used for supporting and dragging an electric wire when a high-voltage transmission line is erected, is used as a traction rope and a guide rope for power line erection construction, can also replace a common steel wire rope to be used as a traction sling, and is widely used in various industries nowadays.

Along with the higher requirements of the current industry on the torsion-proof rope, in the fields with strict requirements on density, rigidity, weight, fatigue property and the like or in the occasions requiring high temperature and high chemical stability, the elongation and strength of the conventional torsion-proof rope can not meet the requirements gradually, and the conventional torsion-proof rope has low fatigue resistance and repeated bending performance and short service life. Conventional anti-twist ropes therefore require major structural or performance, material improvements to be suitable for use in today's increasingly demanding industries.

Disclosure of Invention

The invention aims to overcome the defects and provides the anti-twisting rope produced by the carbon fiber composite steel wire rope, which has the characteristics of low elongation and high tensile strength, has better fatigue resistance and repeated bending performance, and has advantages in the fields with strict requirements on density, rigidity, weight, fatigue property and the like and occasions with high requirements on high temperature and high chemical stability.

The purpose of the invention is realized as follows:

the utility model provides an anti-twist rope with carbon-fibre composite wire rope production, anti-twist rope is woven the winding by inside and outside two-layer wire rope and is formed, and inlayer and outer every strand wire rope structure are the same, and wherein every strand wire rope has two-layer structure from inside to outside, wherein middle sandwich layer is wherein the midmost, the periphery of middle sandwich layer is equipped with four to eight steel strands, a plurality of steel strands transposition is on the surface of middle sandwich layer, and middle sandwich layer and steel strand twist with one time, middle sandwich layer is the carbon-fibre composite muscle, and the carbon-fibre composite muscle comprises carbon fiber silk and epoxy layer, and the epoxy layer adheres to on the surface of carbon fiber silk, and the surface of carbon fiber silk has the spiral rib, the steel strand is compaction strand wire rope, and the steel strand forms the compaction strand after forging or adopting the mould to draw.

Preferably, the inner layer steel wire rope is four strands or six strands.

Preferably, when the inner layer is four-strand steel wire ropes, the outer layer is four-strand or eight-strand steel wire ropes to form a square eight-strand or square twelve-strand anti-twisting rope.

Preferably, when the inner layer is a six-strand steel wire rope, the outer layer has six or twelve strands to form a hexagonal twelve-strand or hexagonal eighteen-strand anti-twisting rope.

Preferably, the steel wire strand is 6xK19S type, the steel wire strand has three-layer structure from inside to outside, the innermost layer is a single steel wire, the second layer is nine steel wires, the third layer is nine steel wires, and the surfaces of six steel wires of the third layer are provided with forging or die drawing surfaces.

Preferably, the steel wire strand is 6xK7 type, and the steel wire strand has two-layer structure from inside to outside, and the inlayer is single steel wire, and the skin is six steel wires, and the surface of the six steel wires of skin has the forging or die drawing face.

Preferably, the steel wire strand is 4xK36WS type, the steel wire strand has four-layer structure from inside to outside, the innermost layer is a single steel wire, the second layer is seven steel wires, the third layer is fourteen steel wires, wherein, seven thick steel wires, seven thin steel wires, thick steel wires and thin steel wires are arranged at intervals, the fourth layer is fourteen steel wires, and the surfaces of fourteen steel wires of the third layer are provided with forging or die drawing surfaces.

Preferably, the rib width range of the spiral rib is 1.00-5.50 mm.

Preferably, the rib spacing range of two adjacent spiral ribs is 1.00-3.25 mm.

Preferably, the fiber volume content of the carbon fiber composite material rib is 10-78%.

The anti-twisting rope produced by the carbon fiber composite steel wire rope has the following advantages:

1. in the anti-twisting rope produced by the carbon fiber composite steel wire rope, the middle core layer of each steel wire rope is made of the carbon fiber composite material rib, the anti-twisting rope has the characteristics of low elongation and high tensile strength, and the carbon fiber reinforced epoxy resin composite material has the highest comprehensive indexes of specific strength and specific modulus in the existing structural materials. In the fields with strict requirements on density, rigidity, weight, fatigue property and the like, the carbon fiber composite material has advantages in the occasions requiring high temperature and high chemical stability.

2. The utility model provides an in the rope is prevented turning round with carbon-fibre composite wire rope production, the carbon-fibre composite muscle of every wire rope's middle sandwich layer, its surface has the spiral rib, and the setting of spiral rib can improve the fatigue resistance ability and the repeated bending property of carbon-fibre composite muscle, prolongs its life.

3. In the anti-twisting rope produced by the carbon fiber composite material steel wire rope, the outer layer steel wire strands of each steel wire rope are compacted strand steel wire ropes, the steel wire strands are forged by a rotary forging machine or are drawn by a die to form a forged surface or a die drawn surface, the steel wires are in close contact with each other, the unit area stress is reduced, the wear resistance is improved, the surface layer steel wires are not easy to break, and in addition, after the steel wires are forged or drawn by the die, the metal density coefficient is improved, the breaking tension is increased, and the service life of the steel wire ropes is prolonged.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the anti-twisting rope produced by using a carbon fiber composite steel wire rope according to the present invention.

Fig. 2 is a schematic view of the construction of the single strand steel cord of fig. 1.

Fig. 3 is a schematic structural view of a second embodiment of the anti-twisting rope produced by using the carbon fiber composite steel wire rope according to the present invention.

Fig. 4 is a schematic view of the construction of the single strand of steel cord in fig. 3.

Fig. 5 is a schematic structural view of a third embodiment of the anti-twisting rope produced by using the carbon fiber composite steel wire rope according to the present invention.

Fig. 6 is a schematic view of the construction of the single strand of steel cord in fig. 5.

Fig. 7 is a cross-sectional view of the middle core carbon fiber filaments of the steel cord of fig. 2, 4, 6.

Fig. 8 is a schematic view of the structure of the carbon fiber yarn of fig. 7.

In the figure: the steel wire rope comprises a steel wire rope 1, an intermediate core layer 1.1, carbon fiber yarns 1.1.1, an epoxy resin layer 1.1.2, spiral ribs 1.1.3, steel wire strands 1.2 and steel wires 1.2.1.

Detailed Description

Referring to fig. 1 to 8, the invention relates to a twisting prevention rope produced by using a carbon fiber composite steel wire rope, wherein the twisting prevention rope is formed by weaving and winding an inner layer steel wire rope 1 and an outer layer steel wire rope 1, the inner layer steel wire rope 1 is four strands or six strands, and when the inner layer is four strands, the outer layer steel wire rope 1 has four strands or eight strands to form a square eight-strand or square twelve-strand twisting prevention rope; when the inner layer is a six-strand steel wire rope, the outer layer steel wire rope 1 has six strands or twelve strands to form a hexagonal twelve-strand or hexagonal eighteen-strand anti-twisting rope, and the structures of the inner layer steel wire rope 1 and each outer layer steel wire rope 1 are the same.

Each steel wire rope 1 has a two-layer structure from inside to outside, the middle is a middle core layer 1.1, four to eight steel wire strands 1.2 are arranged on the periphery of the middle core layer 1.1, the steel wire strands 1.2 are twisted on the surface of the middle core layer 1.1, and the middle core layer 1.1 and the steel wire strands 1.2 are twisted through one-time twisting.

The middle core layer 1.1 is a carbon fiber composite rib which is a rod-shaped carbon fiber reinforced composite product produced by a continuous carbon fiber bundle according to a pultrusion process. The carbon fiber is a new material with excellent mechanical property, the specific gravity of the carbon fiber is less than 1/4 of steel, the tensile strength of the carbon fiber resin composite material is generally more than 3500MPa and 7-9 times of that of the steel, and the tensile elastic modulus is 23000-43000 MPa and is also higher than that of the steel. The carbon fiber reinforced epoxy resin composite material has the highest comprehensive indexes of specific strength and specific modulus in the existing structural materials. In the fields with strict requirements on density, rigidity, weight, fatigue property and the like, the carbon fiber composite material has advantages in the occasions requiring high temperature and high chemical stability. The carbon fiber composite material rib has the characteristics of low elongation and high tensile strength, and is very suitable for being used as an anti-twisting steel wire rope in various fields.

Referring to fig. 7 and 8, the carbon fiber composite rib is composed of a carbon fiber wire 1.1.1 and an epoxy resin layer 1.1.2, the epoxy resin layer 1.1.2 is attached to the surface of the carbon fiber wire 1.1.1, spiral ribs 1.1.3 are arranged on the surface of the carbon fiber wire 1.1.1, the rib width range of the spiral ribs 1.1.3 is 1.00-5.50 mm, the rib spacing range of two adjacent spiral ribs 1.1.3 is 1.00-3.25 mm, the fiber volume content of the carbon fiber composite rib is 10% -78%, and the arrangement of the spiral ribs 1.1.3 can improve the fatigue resistance and the repeated bending resistance of the carbon fiber composite rib and prolong the service life of the carbon fiber composite rib.

The steel wire strands 1.2 are compacted strand steel wire ropes, the surfaces of the steel wire strands 1.2 are forged by a rotary forging machine or are drawn by a die to form forged surfaces or die drawing surfaces, so that each steel wire 1.2.1 is in a tight contact state, the metal cross-sectional area of each steel wire 1.2.1 is basically unchanged, the stress of the unit area is reduced after the surfaces of the steel wire strands 1.2 are forged or drawn by the die, the wear resistance is improved, and the surface steel wires are not easy to break; in addition, after forging or die drawing, the metal density coefficient is improved, the breaking tension is increased, and the service life of the steel is prolonged.

The anti-twisting rope produced by the carbon fiber composite steel wire rope has various specifications and models, and three specific embodiments are listed as follows:

the first embodiment is as follows: referring to fig. 1 and 2, the anti-twisting rope produced by the carbon fiber composite steel wire rope is a hexagonal twelve-strand anti-twisting rope, the anti-twisting rope is formed by weaving and winding an inner six-strand steel wire rope 1 and an outer six-strand steel wire rope 1, a middle core layer 1.1 of each steel wire rope 1 is a carbon fiber composite material rib, the outer layer is provided with six steel wire strands 1.2, the steel wire strands 1.2 are 6xK 19S-type compacted strands, the steel wire strands 1.2 are of a three-layer structure from inside to outside, the innermost layer is a single steel wire 1.2.1, the second layer is nine steel wires 1.2.1, the third layer is nine steel wires 1.2.1, and the surfaces of the six steel wires 1.2.1 of the third layer are provided with forged or die-drawn surfaces.

Example two: referring to fig. 3 and 4, the twisting-proof rope produced by the carbon fiber composite steel wire rope is a twelve-strand twisting-proof rope with four directions, the twisting-proof rope is formed by weaving and winding an inner four-strand steel wire rope 1 and an outer eight-strand steel wire rope 1, a middle core layer 1.1 of each steel wire rope 1 is a carbon fiber composite material rib, the outer layer is provided with six steel wire strands 1.2, the steel wire strands 1.2 are 6xK 7-type compacted strands, the steel wire strands 1.2 have a two-layer structure from inside to outside, the inner layer is a single steel wire 1.2.1, the outer layer is six steel wires 1.2.1, and the surface of the outer six steel wires 1.2.1 is provided with a forging or die drawing surface.

Example three: referring to fig. 5 and 6, the torsion-proof rope produced by using the carbon fiber composite steel wire rope is a four-side eight-strand torsion-proof rope, the torsion-proof rope is formed by weaving and winding an inner four-strand steel wire rope 1 and an outer four-strand steel wire rope 1, a middle core layer 1.1 of each steel wire rope 1 is a carbon fiber composite material rib, the outer layer is provided with four steel wire strands 1.2, the steel wire strands 1.2 are 4xK36 WS-type compacted strands, the steel wire strands 1.2 are of a four-layer structure from inside to outside, the innermost layer is a single steel wire 1.2.1, the second layer is seven steel wires 1.2.1, the third layer is fourteen steel wires 1.2.1, seven thick steel wires and seven thin steel wires are arranged at intervals, the fourth layer is fourteen steel wires 1.2.1, and the surfaces of the fourteen steel wires 1.2.1 of the third layer are provided with forging or die drawing surfaces.

Besides the three specifications of 4xK36WS, 6xK19S and 6xK7, the strand 1.2 can also adopt various structures such as 8xK19S, 6xK26WS and 4xK 19S.