CN115434171A - 8 Kx 26WS structure ultrahigh-strength strand compacted steel wire rope and production process thereof - Google Patents
8 Kx 26WS structure ultrahigh-strength strand compacted steel wire rope and production process thereof Download PDFInfo
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- CN115434171A CN115434171A CN202211009725.8A CN202211009725A CN115434171A CN 115434171 A CN115434171 A CN 115434171A CN 202211009725 A CN202211009725 A CN 202211009725A CN 115434171 A CN115434171 A CN 115434171A
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/08—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core the layers of which are formed of profiled interlocking wires, i.e. the strands forming concentric layers
- D07B1/10—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core the layers of which are formed of profiled interlocking wires, i.e. the strands forming concentric layers with a core of wires arranged parallel to the centre line
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
- D07B1/068—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration characterised by the strand design
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1028—Rope or cable structures characterised by the number of strands
- D07B2201/1036—Rope or cable structures characterised by the number of strands nine or more strands respectively forming multiple layers
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/202—Strands characterised by a value or range of the dimension given
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2023—Strands with core
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2036—Strands characterised by the use of different wires or filaments
- D07B2201/2037—Strands characterised by the use of different wires or filaments regarding the dimension of the wires or filaments
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2038—Strands characterised by the number of wires or filaments
- D07B2201/204—Strands characterised by the number of wires or filaments nine or more wires or filaments respectively forming multiple layers
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2051—Cores characterised by a value or range of the dimension given
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2052—Cores characterised by their structure
- D07B2201/2059—Cores characterised by their structure comprising wires
- D07B2201/2061—Cores characterised by their structure comprising wires resulting in a twisted structure
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3021—Metals
- D07B2205/3025—Steel
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Abstract
The steel wire rope has the structure of 8K multiplied by 26WS and comprises a central strand, six inner-layer strands and eight outer-layer strands, wherein the diameter of the steel wire rope is 28mm, the tensile strength of the steel wire rope is 2260 MPa, and the structure of the steel wire rope is 8K multiplied by 26WS +6K multiplied by 19S +1 multiplied by 19S; the inner layer strand and the outer layer strand are produced by adopting a rolling compaction processing mode, the diameter compaction rate of the inner layer strand is 16.36 percent, and the diameter compaction rate of the outer layer strand is 13.66 percent; twisting in the same direction to combine the central strand with the inner layer strand compacted by six rollers, wherein the strand breaking deformation rate is 86-88%; the wire pressing tile is selected according to the diameter of the steel wire rope, the specification of the wire pressing tile is slightly smaller than the diameter of the steel wire rope by 0.5-1.0 mm, the strand-removing deformation rate is 86-90%, and the lay length multiple is 6.8 times. The steel wire rope adopts the independent metal rope core, increases the metal sectional area of the steel wire rope, has high breaking tension and is more compact in twisting.
Description
Technical Field
The invention relates to an ultrahigh-strength strand compacted steel wire rope with an 8 Kx 26WS structure and a production process thereof, belonging to the technical field of metal product processing.
Background
The strand compacted steel wire rope is a multi-strand steel wire rope with strands subjected to compaction processing such as die drawing, rolling or forging, and the like, compared with a twisted round strand steel wire rope, the contact area between steel wires is larger, and twisting stress is eliminated in the forming process; in the using process, the contact stress between the steel wire rope and the matched pulley (winding drum) can be effectively reduced, and the product is widely applied to occasions such as winches, lifting of mine shafts and inclined shafts, aerial cableways and the like.
The production of the product has higher requirements on the process technology and the tooling equipment, the higher the strength of the steel wire is, and the greater the production difficulty is. Therefore, higher requirements are also put forward on the aspects of operation methods, steel wire quality, process equipment and the like.
Disclosure of Invention
The invention aims to solve the technical problems that a steel wire rope is not compacted in twisting, the breaking tension of the steel wire rope is improved, and the service life of the steel wire rope is prolonged, so that the invention provides an ultrahigh-strength strand compacted steel wire rope with an 8 Kx26 WS structure and a production process thereof.
The ultrahigh-strength strand compacted steel wire rope with the structure of 8K multiplied by 26WS has the diameter of 28mm, the tensile strength of 2260 MPa, and the structure of the steel wire rope is 8K multiplied by 26WS +6K multiplied by 19S +1 multiplied by 19S, and sequentially comprises a central strand, six inner-layer strands and eight outer-layer strands from inside to outside;
the central strand structure is 1 multiplied by 19S and comprises a central strand central wire, a central strand inner wire and a central strand outer wire from inside to outside;
the inner layer strand structure is 6 Kx19S, and comprises an inner layer strand central filament, an inner layer strand inner layer filament and an inner layer strand outer layer filament from inside to outside;
the outer layer strand structure is 8K multiplied by 26WS; the yarn comprises an outer layer strand central yarn, an outer layer strand inner layer yarn, an outer layer strand middle layer large yarn, an outer layer strand middle layer small yarn and an outer layer strand outer layer yarn from inside to outside;
the outer layer strand middle layer large filaments and the outer layer strand middle layer small filaments are arranged in the same layer.
The production process of the ultrahigh-strength strand compacted steel wire rope with the 8 Kx26 WS structure specifically comprises the following implementation steps:
1) Steel wire rope wire
The silk matching process parameters are as follows: the central yarn of the central strand is 1.45 mm, the inner layer yarn of the central strand is 0.70 mm, and the outer layer yarn of the central strand is 1.25mm; the central yarn of the inner layer strand is 1.40 mm, the inner layer yarn of the inner layer strand is 0.70 mm, and the outer layer yarn of the inner layer strand is 1.20mm; the central yarn of the outer layer strand is 0.80 mm, the inner yarn of the outer layer strand is 1.04 mm, the large yarn of the middle layer of the outer layer strand is 1.24 mm, the small yarn of the middle layer of the outer layer strand is 0.98 mm, and the outer yarn of the outer layer strand is 1.82 mm;
the outer layer filaments except the outer layer strand adopt 1960MPa strength level; all other steel wires adopt 2060MPa strength level;
2) Stranded wire
Selecting a line pressing tile according to the diameter of the strand during stranding, wherein the specification of the line pressing tile is 0.5-1.0 mm smaller than the diameter of the strand, the phenomenon of wire breakage or wire damage cannot occur in the production process, and the strand cannot have the defects of arrises and ellipse;
stranding process parameters: a central strand: the strand diameter is 5.17mm, and the lay length is 41mm; inner layer strand: the strand diameter is 4.91mm, and the lay length is 39mm; outer layer strand: the strand diameter is 8.03mm, and the lay length is 68mm;
the inner layer strand and the outer layer strand are produced in a rolling compaction processing mode, the diameter compaction rate of the inner layer strand is 16.36%, the diameter compaction rate of the outer layer strand is 13.66%, the inner layer strand and the outer layer strand are produced on a tubular strand machine, and a 150-type rolling tool is adopted;
twisting the central strand and the inner layer strand compacted by six rollers to synthesize the composite strand, producing the composite strand on a basket machine, twisting in the same direction, adopting a disc type pre-deformer, and ensuring that the maximum contact area between the metal core steel wire and the outer layer strand is ensured, wherein the strand removal deformation rate is 86-88%;
3) Rope combination
The method comprises the steps of twisting eight outer strands outside a metal rope core formed by twisting a central strand and an inner strand to form a steel wire rope, selecting a wire pressing tile according to the diameter of the steel wire rope, wherein the specification of the wire pressing tile is 0.5-1.0 mm smaller than the diameter of the rope, adopting a disc type pre-former, controlling the strand breaking deformation rate to be 86-90%, twisting the steel wire rope into a non-loose state, and controlling the lay length multiple of the steel wire rope to be 6.8 times.
The beneficial effects of adopting the above technical scheme are as follows:
the steel wire rope is produced by adopting the independent metal rope core and rolling and compacting the inner layer strand and the outer layer strand, so that the metal sectional area of the steel wire rope is increased, the steel wire rope has high breaking tension, and the steel wire rope is more compact in twisting. The steel wire rope is tested after being produced, the actually measured breaking force is 736KN, the sum of the steel wire breaking force is 899.398KN, the minimum breaking force coefficient of the steel wire rope is 0.456, the minimum breaking force coefficient exceeds the minimum breaking force coefficient of the compacted strand steel wire rope standard YB/T5359-2010, the market demand of the ultrahigh-strength hoisting steel wire rope is met, and meanwhile, the outer layer steel wire of the outer layer strand is lower than other steel wires by one strength level, and the toughness of the steel wire rope can be improved.
Drawings
Fig. 1 is a schematic structural view of an ultra-high strength strand compacted steel cord with an 8K × 26WS structure according to the present invention.
In the figure: 1-center strand, 11-center strand center filament, 12-center strand inner layer filament, 13-center strand outer layer filament, 2-inner layer strand, 21-inner layer strand center filament, 22-inner layer strand inner layer filament, 23-inner layer strand outer layer filament, 3-outer layer strand, 31-outer layer strand center filament, 32-outer layer strand inner layer filament, 331-outer layer strand middle layer large filament, 332-outer layer strand middle layer small filament, 34-outer layer strand outer layer filament.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in FIG. 1, the ultrahigh-strength strand compacted steel wire rope with the 8K × 26WS structure has a diameter of 28mm, a tensile strength of 2260 MPa and a structure of 8K × 26WS +6K × 19S +1 × 19S, and sequentially comprises 1 central strand, 2 six inner-layer strands and 3 eight outer-layer strands from inside to outside;
the central strand 1 is 1 multiplied by 19S in structure and comprises a central strand central wire 11, a central strand inner layer wire 12 and a central strand outer layer wire 13 from inside to outside;
the inner layer strand 2 is 6 Kx19S in structure and comprises an inner layer strand central wire 21, an inner layer strand inner layer wire 22 and an inner layer strand outer layer wire 23 from inside to outside;
the structure of the outer layer strand 3 is 8 Kx 26WS; the yarn comprises an outer layer strand central yarn 31, an outer layer strand inner layer yarn 32, an outer layer strand middle layer large yarn 331, an outer layer strand middle layer small yarn 332 and an outer layer strand outer layer yarn 34 from inside to outside;
the outer layer strand middle layer large filaments 331 and the outer layer strand middle layer small filaments 332 are arranged in the same layer.
The production process of the ultrahigh-strength strand compacted steel wire rope with the 8 Kx26 WS structure specifically comprises the following implementation steps:
1) Steel wire rope wire
The silk matching process parameters are as follows: the central yarn 11 of the central strand is 1.45 mm, the inner layer yarn 12 of the central strand is 0.70 mm, and the outer layer yarn 13 of the central strand is 1.25mm; the central yarn 21 of the inner strand is 1.40 mm, the inner yarn 22 of the inner strand is 0.70 mm, and the outer yarn 23 of the inner strand is 1.20mm; the central filament 31 of the outer strand is 0.80 mm, the inner filament 32 of the outer strand is 1.04 mm, the large filament 331 of the middle layer of the outer strand is 1.24 mm, the small filament 332 of the middle layer of the outer strand is 0.98 mm, and the outer filament 34 of the outer strand is 1.82 mm;
the outer layer wire 32 of the outer layer strand adopts the strength grade of 1960 MPa; all other steel wires adopt 2060MPa strength level;
2) Strand twisting
Selecting a line pressing tile according to the diameter of the strand during stranding, wherein the specification of the line pressing tile is 0.5-1.0 mm smaller than the diameter of the strand, the phenomenon of wire breakage or wire damage cannot occur in the production process, and the strand cannot have the defects of arrises and ellipse;
stranding process parameters: center strand 1: the strand diameter is 5.17mm, and the lay length is 41mm; inner layer strand 2: the strand diameter is 4.91mm, and the lay length is 39mm; outer ply 3: the strand diameter is 8.03mm, and the lay length is 68mm;
the inner layer strand 2 and the outer layer strand 3 are produced by adopting a rolling compaction processing mode, the diameter compaction rate of the inner layer strand 2 is 16.36 percent, the diameter compaction rate of the outer layer strand 3 is 13.66 percent, the inner layer strand and the outer layer strand are produced on a tubular strand machine, and a 150-type rolling tool is adopted;
twisting the central strand 1 and the inner layer strand 2 compacted by six rollers to synthesize, producing on a basket machine, twisting in the same direction, adopting a disc-type pre-deformer, wherein the strand-removing deformation rate is 86-88%, and ensuring that the metal core steel wire and the outer layer strand 3 have the maximum contact area;
3) Rope combination
The method comprises the steps of twisting eight outer strands 3 outside a metal rope core formed by twisting a central strand 1 and an inner strand 2 to form a steel wire rope, selecting a wire pressing tile according to the diameter of the steel wire rope, wherein the specification of the wire pressing tile is 0.5-1.0 mm smaller than the diameter of the rope, adopting a disc type pre-former, ensuring that the strand removal deformation rate is 86-90%, twisting the steel wire rope into a non-loose state, and ensuring that the lay length multiple of the steel wire rope is 6.8 times.
The steel wire rope adopts the independent metal rope core, and the inner layer strand and the outer layer strand are produced by rolling compaction, so that the metal section area of the steel wire rope is increased, the steel wire rope has high breaking tension, and the steel wire rope is more compact to twist. The steel wire rope is tested after being produced, the actually measured breaking force is 736KN, the sum of the steel wire breaking force is 899.398KN, the minimum breaking force coefficient of the steel wire rope is 0.456, the minimum breaking force coefficient exceeds the minimum breaking force coefficient of the compacted strand steel wire rope standard YB/T5359-2010, the market demand of the ultrahigh-strength hoisting steel wire rope is met, and meanwhile, the outer layer steel wire of the outer layer strand is lower than other steel wires by one strength level, and the toughness of the steel wire rope can be improved.
Claims (2)
1.8 Kx 26WS structure ultrahigh strength strand compaction wire rope, characterized by: the diameter of the steel wire rope is 28mm, the tensile strength is 2260 MPa, the structure of the steel wire rope is 8K multiplied by 26WS +6K multiplied by 19S +1 multiplied by 19S, and the steel wire rope sequentially comprises a central strand (1), six inner-layer strands (2) and eight outer-layer strands (3) from inside to outside;
the central strand (1) is 1 multiplied by 19S in structure and comprises a central strand wire (11), a central strand inner layer wire (12) and a central strand outer layer wire (13) from inside to outside;
the structure of the inner layer strand (2) is 6 Kx19S, and the inner layer strand comprises an inner layer strand central filament (2) such as an inner layer strand inner layer filament (22) and an inner layer strand outer layer filament (23) from inside to outside;
the structure of the outer layer strand (3) is 8 Kx 26WS; the yarn comprises an outer layer strand central yarn (31), an outer layer strand inner layer yarn (32), an outer layer strand middle layer large yarn (331), an outer layer strand middle layer small yarn (332) and an outer layer strand outer layer yarn (34) from inside to outside;
the outer layer strand middle layer large filaments (331) and the outer layer strand middle layer small filaments (332) are arranged in the same layer.
The production process of the 2.8 Kx 26WS structure ultrahigh strength strand compacted steel wire rope is characterized by comprising the following steps of: the production process specifically comprises the following implementation steps:
1) Steel wire rope wire
The technical parameters of the silk matching are as follows: the central filament (11) of the central strand is 1.45 mm, the inner layer filament (12) of the central strand is 0.70 mm, and the outer layer filament (13) of the central strand is 1.25mm; the central yarn (21) of the inner layer strand is 1.40 mm, the inner layer yarn (22) of the inner layer strand is 0.70 mm, and the outer layer yarn (23) of the inner layer strand is 1.20mm; the center yarn (31) of the outer layer strand is 0.80 mm, the inner yarn (32) of the outer layer strand is 1.04 mm, the large yarn (331) of the middle layer of the outer layer strand is 1.24 mm, the small yarn (332) of the middle layer of the outer layer strand is 0.98 mm, and the outer yarn (34) of the outer layer strand is 1.82 mm;
the outer layer filaments (32) except the outer layer strand adopt the strength grade of 1960 MPa; all other steel wires adopt 2060MPa strength level;
2) Stranded wire
When twisting strands, selecting a wire pressing tile according to the diameter of the strands, wherein the specification of the wire pressing tile is 0.5-1.0 mm smaller than the diameter of the strands, and the wire breaking or the wire damage phenomenon cannot occur in the production process, and the strands cannot have the defects of arrises and ellipse;
stranding process parameters: center strand (1): the strand diameter is 5.17mm, and the lay length is 41mm; inner layer strand (2): the strand diameter is 4.91mm, and the lay length is 39mm; outer ply (3): the strand diameter is 8.03mm, and the lay length is 68mm;
the inner layer strand (2) and the outer layer strand (3) are produced in a rolling compaction processing mode, the strand diameter compaction rate of the inner layer strand (2) is 16.36%, the strand diameter compaction rate of the outer layer strand (3) is 13.66%, the inner layer strand and the outer layer strand are produced on a tubular strand machine, and a 150-type rolling tool is adopted;
twisting the central strand (1) and the inner layer strand (2) compacted by six rollers to synthesize the composite material, producing the composite material on a basket machine, twisting in the same direction, and adopting a disc-type pre-deformer to ensure that the maximum contact area between the metal core steel wire and the outer layer strand (3) is ensured, wherein the strand-removing deformation rate is 86-88%;
3) Rope combination
The method comprises the steps of twisting eight outer strands (3) outside a metal rope core formed by twisting a central strand (1) and an inner strand (2) to form a steel wire rope, selecting a wire pressing tile according to the diameter of the steel wire rope, wherein the specification of the wire pressing tile is 0.5-1.0 mm smaller than the diameter of the rope, adopting a disc-type pre-former, realizing the strand removal deformation rate of 86-90%, enabling the steel wire rope to be twisted without loosening, and enabling the twisting pitch multiple of the steel wire rope to be 6.8 times.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211009725.8A CN115434171A (en) | 2022-08-23 | 2022-08-23 | 8 Kx 26WS structure ultrahigh-strength strand compacted steel wire rope and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211009725.8A CN115434171A (en) | 2022-08-23 | 2022-08-23 | 8 Kx 26WS structure ultrahigh-strength strand compacted steel wire rope and production process thereof |
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| Publication Number | Publication Date |
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| CN115434171A true CN115434171A (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211009725.8A Pending CN115434171A (en) | 2022-08-23 | 2022-08-23 | 8 Kx 26WS structure ultrahigh-strength strand compacted steel wire rope and production process thereof |
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- 2022-08-23 CN CN202211009725.8A patent/CN115434171A/en active Pending
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