CN102330370B - Parallel laid compacted strand steel wire rope for container equipment and production method thereof - Google Patents
Parallel laid compacted strand steel wire rope for container equipment and production method thereof Download PDFInfo
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- CN102330370B CN102330370B CN201110239247.5A CN201110239247A CN102330370B CN 102330370 B CN102330370 B CN 102330370B CN 201110239247 A CN201110239247 A CN 201110239247A CN 102330370 B CN102330370 B CN 102330370B
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B5/00—Making ropes or cables from special materials or of particular form
- D07B5/007—Making ropes or cables from special materials or of particular form comprising postformed and thereby radially plastically deformed elements
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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
- D07B2201/2019—Strands pressed to shape
Abstract
The invention discloses a parallel laid compacted strand steel wire rope for container equipment and a production method thereof. The lay pitch multiple of the steel wire rope is 6.0-6.8 times; the steel wire rope comprises a metal rope core; six first outer layer strands are arranged around the metal rope core; and the steel wire rope has a structure of 6*K36SFi+IWRC-28mm. The production method comprises the following steps of: calculating the diameter of the steel wire as a finished product and the diameter of the steel wire as a raw material; treating discs with the same diameter and different steel models and drawing the discs into the steel wires with corresponding diameters as the raw materials; thermally treating the steel wires as the raw materials and drawing the steel wires into the steel wires with corresponding diameters as the finished products; and twisting the steel wires as the finished products into outer layer strands and metal rope cores, wherein the outer layer strands adopt two compression ratios of 5 percent and 3 percent and the metal rope cores adopt the compression ratio of 8 percent, forming the parallel laid compacted strand steel wire rope. According to the steel wire rope disclosed by the invention, the metal area of the steel wire is increased; meanwhile, the breaking force of the steel wire rope is improved; and a steel wire structure in the strand is reasonable, so that the service life of the steel wire rope is prolonged.
Description
Technical field
The invention belongs to steel wire rope manufacturing technology field, relate to and be a kind ofly applicable to that the hoisting equipment such as harbour, bank bridge promotes, the steel wire rope of traction use, be specifically related to a kind of structure and be the parallel twisting compacted strand steel wire rope that the container facility of 6 * K36SFi+IWRC-28mm is used; The invention still further relates to a kind of preparation method of this parallel twisting compacted strand steel wire rope.
Background technology
At present, the Lang lay rope that the container facilities such as harbour, bank bridge are used, its structure is 25Fi, 31WS, 36WS structure.25Fi Stability Analysis of Structures wherein, but under same diameter, in strand, steel wire diameter used is larger, and fatigability and the mechanical performance of steel wire are poor, are not suitable for this equipment and use; 31WS, the 36WS structure thigh second layer adopt thick, thin alternate two kinds of steel wires, finer wire volt is very unstable at the summit of ground floor steel wire, cause outer finer wire mobile to apertured place from origin-location, make between cover wire, mutually to violate and squeeze, structural instability; Steel wire rope outer layer strand steel wire is easy to wear, causes fracture of wire and disconnected thigh, has shortened the service life of steel wire rope.
Summary of the invention
In order to overcome above-mentioned problems of the prior art, the object of this invention is to provide the parallel twisting compacted strand steel wire rope that a kind of container facility is used, cover wire is not mutually violated and is squeezed, not easy to wear, extends the service life of steel wire rope.
Another object of the present invention is to provide a kind of preparation method of above-mentioned parallel twisting compacted strand steel wire rope.
For achieving the above object, the technical solution adopted in the present invention is that the parallel twisting compacted strand steel wire rope that a kind of container facility is used, comprises metal core, around metal core, is provided with six strand of first outer layer strand; This construction of wire rope is that 6 * K36SFi+IWRC-28mm, laying pitch coefficient are 6.0 times～6.8 times.
The first outer layer strand comprises the first core wire, around the first core wire, be provided with seven the first steel wire of internal layer, every the first steel wire of internal layer all contacts with the first core wire, and these seven first steel wire of internal layer form the first ring bodies, around this first ring bodies, is provided with seven the first middle level steel wires; First steel wire of internal layer contacts with two adjacent the first middle level steel wires respectively; These seven the first middle level steel wires form the second ring bodies, around this second ring bodies, are provided with 14 the first cover wires, and a first middle level steel wire contacts with two adjacent the first cover wires respectively; These 14 the first cover wires form the 3rd ring bodies, in the space that the 3rd ring bodies and the second ring bodies surround, are respectively arranged with filler wires; The laying pitch coefficient of the first outer layer strand is 7.5～8.5 times.
The diameter quotient ratio of the first cover wire, the first steel wire of internal layer, the first middle level steel wire, filler wires and the first core wire is 0.7853 ︰ 0.5215 ︰ 1.1534 ︰ 0.4663 ︰ 1.
Metal core comprises central strand, around central strand, is provided with six strand of second outer layer strand, and adjacent two second outer layer strand contact, and central strand contacts with six strand of second outer layer strand respectively, and the laying pitch coefficient of metal core is 8.0 times～8.5 times; Six strand of second outer layer strand is corresponding one by one with six strand of first outer layer strand formation, and one second outer layer strand contacts with one first outer layer strand, and the laying pitch coefficient of the second outer layer strand is 7.5 times～8.5 times.
Second outer layer strand comprises the second core wire, around the second core wire, is provided with nine the second steel wire of internal layer, and nine the second steel wire of internal layer contact with the second core wire respectively; These nine the second steel wire of internal layer form ring bodies, around this ring bodies, are provided with nine the second cover wires, and second steel wire of internal layer contacts with two adjacent the second cover wires respectively; The diameter quotient ratio of the second cover wire, the second steel wire of internal layer and the second core wire is 1.1529 ︰ 0.5647 ︰ 1.
Central strand comprises the 3rd core wire, around the 3rd core wire, is provided with nine the 3rd steel wire of internal layer, and nine the 3rd steel wire of internal layer contact with the 3rd core wire respectively; These nine the 3rd steel wire of internal layer form the 5th ring bodies, around the 5th ring bodies, are provided with nine the 3rd cover wires, and the 3rd steel wire of internal layer contacts with two adjacent the 3rd cover wires respectively; The 3rd cover wire, the 3rd steel wire of internal layer are 1.1429 ︰ 0.5619 ︰ 1 with the diameter quotient ratio of the 3rd core wire.
Another technical scheme of the present invention is, a kind of preparation method of above-mentioned parallel twisting compacted strand steel wire rope is specifically carried out according to the following steps:
Step 1: according to the gap value requirement each other of steel wire after steel cord structure, diameter, aggregate breaking force and twisting, and according to steel wire geometrical relationship, use triangle geometrical relationship formula to calculate finished product gauge of wire in steel wire rope, by the lay pitch, calculate the proportionate relationship between each layer of steel wire spiral angle, each layer of steel wire of twisting circle derivation;
Step 2: by following formula, the diameter d of the corresponding raw material steel wire of different-diameter finished product steel wire that calculation procedure 1 obtains
n:
d
n=d-
0×（σ
n/?Kσ
0）
2
In formula, d-
0represent the finished steel filament diameter that step 1 provides, the mm of unit;
σ
0represent the intensity after quenching steel wire, value 1100MPa～1150MPa;
σ
nthe nominal intensity that represents steel wire rope, value 1770MPa;
K is wire drawing coefficient, value 1;
Step 3: the dish circle that the dish circle that to get grade of steel 65#, diameter be 6.5mm and grade of steel 55#, diameter are 6.5mm, adopt existing technique to carry out pickling, phosphatization and saponification to get dish circle, then, the raw material steel wire that dish circle after processing is pulled into the different-diameter that step 2 calculates, wherein the dish circle of grade of steel 55#, diameter 6.5mm pulls into filler wires raw material steel wire used;
Step 4: adopt the raw material steel wire that existing technique pulls into step 3 to heat-treat;
Step 5: the finished product steel wire that the raw material steel wire of the different-diameter after step 4 heat treatment is drawn into respective diameters;
Step 6: get the finished product steel wire that step 5 obtains,
By strander twisting outer layer strand, at strander steel wire, closing up mouthful place's placement three-high mill is rolled outer layer strand, the compression ratio of controlling outer layer strand is 5%, at three-high mill rear portion, increase wire drawing die one, the die throat diameter of this wire drawing die is 8.8mm, drawing rear diameter is 9.0mm, and the rate control of wire drawing die is 3%, and the laying pitch coefficient of outer layer strand is 7.5～8.5 times;
Burst employing strander twisting in metal core, laying pitch coefficient is the metal core of 8.0～8.5 times, metal core is twisted with the fingers to being twist-on-twist; In the time of in twisting metallized metal wire rope core burst, adopt die drawing mode, close up a mouthful place place one wire drawing die at this strander steel wire, this wire drawing die bore dia is 3.3mm, and drawing rear diameter is 3.5mm, and the compression ratio of wire drawing die is 8%;
Twisting outer layer strand is taked 5% and 3% twice compression ratio; During twisting metal core, take 8% compression ratio;
Step 7: it is the parallel twisting compacted strand steel wire rope of 6.0 times～6.8 times that the outer layer strand of step 6 twisting and metal core are made to laying pitch coefficient.
In parallel twisting compacted strand steel wire rope thigh of the present invention, the every residing position of steel wire Dou lower floor faces the place, peak base of steel wire mutually, make the residing position of steel wire very stable, steel wire metallic area increases, and the rupture pull force of steel wire rope improves simultaneously, in strand, structure of steel wire is reasonable, has improved service life of steel wire rope.
Accompanying drawing explanation
Fig. 1 is the structural representation of parallel twisting compacted strand steel wire rope of the present invention.
Fig. 2 is the structural representation of the first outer layer strand in parallel twisting compacted strand steel wire rope of the present invention.
Fig. 3 is the structural representation of metal core in parallel twisting compacted strand steel wire rope of the present invention.
Fig. 4 is the structural representation of the second outer layer strand in parallel twisting compacted strand steel wire rope of the present invention.
Fig. 5 is the structural representation of central strand in parallel twisting compacted strand steel wire rope of the present invention.
In figure, 1. the first outer layer strand, 2. metal core, 3. the first cover wire, 4. the first middle level steel wire, 5. filler wires, 6. the first steel wire of internal layer, 7. the first core wire, 8. the second outer layer strand, 9. central strand, 10. the second cover wire, 11. second steel wire of internal layer, 12. second core wires, 13. the 3rd cover wires, 14. second steel wire of internal layer, 15. the 3rd core wires.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The structure of parallel twisting compacted strand steel wire rope of the present invention, as shown in Figure 1, comprises metal core 2, around metal core 2, is provided with six strand of first outer layer strand 1; The laying pitch coefficient of this steel wire rope is 6.0～6.8 times, and its structure is 6 * K36SFi+IWRC-28mm.
As shown in Figure 2, the structure of the first outer layer strand 1 in parallel twisting compacted strand steel wire rope of the present invention, comprise the first core wire 7, around the first core wire 7, be provided with seven the first steel wire of internal layer 6, every the first steel wire of internal layer 6 all contacts with the first core wire 7, these seven the first steel wire of internal layer 6 form the first ring bodies, around this first ring bodies, are provided with seven the first middle level steel wires 4, and two adjacent the first middle level steel wires 4 contact; First steel wire of internal layer 6 contacts with two adjacent the first middle level steel wires 4 respectively; These seven the first middle level steel wires 4 form the second ring bodies, around this second ring bodies, be provided with 14 the first cover wires 3, two adjacent the first cover wires 3 contact, and a first middle level steel wire 4 contacts with two adjacent the first cover wires 3 respectively; These 14 the first cover wires 3 form the 3rd ring bodies, in the space that the 3rd ring bodies and the second ring bodies surround, are respectively arranged with filler wires 5.The first cover wire 3, the first middle level steel wire 4, filler wires 5 and the first steel wire of internal layer 6 are along the circumferential direction staggered layout.The laying pitch coefficient of the first outer layer strand 1 is 7.5～8.5 times.The diameter quotient ratio of the first cover wire 3, the first steel wire of internal layer 6, the first middle level steel wire 4, filler wires 5 and the first core wire 7 is: δ
0︰ δ
1︰ δ
2︰ δ
f︰ δ
3=0.7853 ︰ 0.5215 ︰ 1.1534 ︰ 0.4663 ︰ 1.
As shown in Figure 3, the structure of metal core 2 in parallel twisting compacted strand steel wire rope of the present invention, comprise central strand 9, around central strand 9, be provided with six strand of second outer layer strand 8, adjacent two second outer layer strand 8 contact, central strand 9 contacts with six strand of second outer layer strand 8 respectively, and the laying pitch coefficient of metal core 2 is 8.0～8.5 times.The structure of the second outer layer strand 8 as shown in Figure 4, comprise the second core wire 12, around the second core wire 12, be provided with nine the second steel wire of internal layer 11, adjacent two the second steel wire of internal layer 11 contact, and nine the second steel wire of internal layer 11 contact with the second core wire 12 respectively; These nine the second steel wire of internal layer 11 form the 4th ring bodies, around the 4th ring bodies, be provided with nine the second cover wires 10, adjacent two the second cover wires 10 contact, and second steel wire of internal layer 11 contacts with two adjacent the second cover wires 10 respectively.The diameter quotient ratio of the second cover wire 10, the second steel wire of internal layer 11 and the second core wire 12 is 1.1529 ︰ 0.5647 ︰ 1.Six strand of second outer layer strand 8 is corresponding one by one with 1 formation of six strand of first outer layer strand, and one second outer layer strand 8 contacts with one first outer layer strand 1.The laying pitch coefficient of the second outer layer strand 8 is 7.5～8.5 times.
As shown in Figure 5, the structure of central strand 9 in parallel twisting compacted strand steel wire rope of the present invention, comprise the 3rd core wire 15, around the 3rd core wire 15, be provided with nine the 3rd steel wire of internal layer 14, adjacent two the 3rd steel wire of internal layer 14 contact, and nine the 3rd steel wire of internal layer 14 contact with the 3rd core wire 15 respectively; These nine the 3rd steel wire of internal layer 14 form the 5th ring bodies, around the 5th ring bodies, be provided with nine the 3rd cover wires 13, adjacent two the 3rd cover wires 13 contact, and the 3rd steel wire of internal layer 14 contacts with two adjacent the 3rd cover wires 13 respectively.The diameter quotient ratio of the 3rd cover wire 13, the 3rd steel wire of internal layer 14 and the 3rd core wire 15 is 1.1429 ︰ 0.5619 ︰ 1.
Parallel twisting compacted strand steel wire rope of the present invention is 6 * K36SFi+IWRC-28mm structure.It is in order to improve the flexibility of steel wire rope metal core that metal core 2 is selected 7 * 19S structure, and metal core 2 is twisted with the fingers to choosing twist-on-twist, improves the Fracture Force of metal core simultaneously.
This parallel twisting compacted strand steel wire rope Stability Analysis of Structures, tight, poker is even, and density metal is larger.The compression ratio of the first outer layer strand 1 is 8%, in metal core 2, the rate control of thigh is 8%, because the gap value between steel wire reduces, make the cross-sectional area of steel wire rope improve 9%, the whole rope rupture pull force of steel wire rope improves 8.5%, steel wire rope is close structure after compacting, and poker is even, and extend service life at double.
The present invention also provides a kind of preparation method of above-mentioned parallel twisting compacted strand steel wire rope, specifically carries out according to the following steps:
Step 1: according to the gap value requirement each other of steel wire after steel cord structure, diameter, aggregate breaking force and twisting, carry out appropriate design and choose suitable steel wire diameter; Consider that steel wire occurs compression situation when operation, the gap value between Lang lay rope steel wire is taken as 3.5～1.5%, and the gap value between rope strand is taken as 3～1.5%; And according to steel wire geometrical relationship, use triangle geometrical relationship formula to calculate gauge of wire used in steel wire rope, by the lay pitch, calculate the proportionate relationship between each layer of steel wire spiral angle, each layer of steel wire of twisting circle derivation;
For example, determine the first cover wire 3 diameter δ in Lang lay rope
3for 1.28mm, the first steel wire of internal layer 6 diameter δ
1for 0.85mm, the first middle level steel wire 4 diameter δ
2for 1.88mm, filler wires 5 diameter δ
ffor 0.76mm, the first core wire 7 diameter δ
0for 1.63mm; The second cover wire 9 diameters are that 0.98mm, the second steel wire of internal layer 10 diameters are that 0.48mm, the second core wire 11 diameters are 0.85mm; The 3rd cover wire 13 diameters are that 1.20mm, the 3rd steel wire of internal layer 14 diameters are that 0.59 mm, the 3rd core wire 15 diameters are 1.05 mm.
Step 2: by following formula, the diameter d of the corresponding raw material steel wire of different-diameter finished product steel wire that calculation procedure 1 is definite
n:
d
n=d-
0×（σ
n/?Kσ
0）
2
In formula, d-
0represent the finished steel filament diameter that step 1 provides, the mm of unit;
σ
0represent the intensity after quenching steel wire; In this method, filler wires adopts 55# steel wire, and all the other steel wires adopt 65# steel wire, σ
0value 1100～1150MPa;
σ
nthe nominal intensity that represents steel wire rope, value 1770MPa in this method;
K is wire drawing coefficient, value 1;
In upper example, work as σ
0value 1100Mpa, σ
nwhen value 1770Mpa, K value 1, the raw steel filament diameter calculating is corresponding, as shown in table 1 with finished steel filament diameter in step 1.
The corresponding table of table 1 raw steel filament diameter and finished steel filament diameter
| Raw steel filament diameter | 3.30 | 2.20 | 4.80 | 2.00 | 4.20 | 2.70 | 1.25 | 2.20 | 3.30 | 1.55 | 2.70 |
| Finished steel filament diameter | 1.28 | 0.85 | 1.88 | 0.76 | 1.63 | 0.98 | 0.48 | 0.85 | 1.20 | 0.59 | 1.05 |
Step 3: the dish circle that the dish circle that to get grade of steel 65#, diameter be 6.5mm and grade of steel 55#, diameter are 6.5mm, adopt existing technique to carry out pickling, phosphatization and saponification to get dish circle, then, dish circle after processing is pulled into the raw material steel wire of the different-diameter that step 2 calculates, wherein the dish circle of grade of steel 55#, diameter 6.5mm pulls into the raw material steel wire that diameter is 2.00mm, and all raw steel filament diameters are in Table 1;
Adopt 560 water tank drawbench that dish circle is pulled into the different raw material steel wire of diameter.Adopt dual intensity steel wire, with low grade of steel steel wire, make filler wires, draw rear strength ratio nominal intensity low one to two-stage, be conducive to steel wire and be out of shape.
Step 4: adopt the raw material steel wire that existing technique pulls into step 3 to heat-treat;
Step 5: the finished product steel wire that the raw material steel wire of the different-diameter after step 4 heat treatment is drawn into respective diameters;
As, adopt different wire drawing machinees the raw material steel wire of different-diameter to be drawn into the finished product steel wire of different-diameter:
Select 560 water tank drawbench, it is that the drawing process route of 1.88mm and 1.63mm finished product steel wire is that the raw material steel wire that is 4.80mm and 4.20mm by diameter is drawn into diameter:
1）4.80—4.40—4.00—3.65—3.33—3.03—2.75—2.50—2.27—2.07—1.88。
2）4.20—3.84—3.50—3.18—2.89—2.63—2.38—2.17—1.97—1.80—1.63。
Select 350 water tank drawbench, it is that the drawing process route of 1.28mm, 1.20mm, 1.05 mm and 0.98mm finished product steel wire is that the raw material steel wire that is 3.30mm and 2.70mm by diameter is drawn into diameter:
1）3.30—3.00—2.74—2.50—2.27—2.07—1.88—1.70—1.55—1.40—1.28。
2）3.30—2.83—2.57—2.33—2.12—1.93—1.75—1.60—1.45—1.32—1.20。
3）2.70—2.47—2.25—2.05—1.86—1.69—1.54—1.40—1.27—1.15—1.05。
4）2.70—2.32—2.10—1.90—1.73—1.57—1.44—1.30—1.19—1.08—0.98。
Select 250 water tank drawbench, it is that the drawing process route of 0.85mm, 0.76mm, 0.59 mm and 0.48mm finished product steel wire is that the raw material steel wire that is 2.20mm, 2.00mm, 1.55mm and 1.25mm by diameter is drawn into diameter:
1）2.20—2.00—1.82—1.65—1.50—1.37—1.24—1.13—1.03—0.94—0.85。
2）2.00—1.97—1.79—1.63—1.48—1.34—1.22—1.11—1.00—0.92—0.83—0.76。
3）1.55—1.39—1.26—1.15—1.05—0.95—0.86—0.78—0.71—0.65—0.59。
4）1.25—1.13—1.03—0.94—0.85—0.77—0.70—0.64—0.58—0.53—0.48。
Step 6: get the finished product steel wire that step 5 obtains,
Adopt 36/400 strander twisting outer layer strand, at 6/400 strander steel wire, closing up mouthful place's placement three-high mill is rolled outer layer strand, the compression ratio of controlling outer layer strand is 5%, at three-high mill rear portion, increase wire drawing die one, the die throat diameter of this wire drawing die is 8.8mm, drawing rear diameter is 9.0mm, and the rate control of die drawing is 3%, and the laying pitch coefficient of outer layer strand is 7.5～8.5 times;
Adopting 18/300 strander twisting laying pitch coefficient is the metal core of 8.0～8.5 times, and metal core is twisted with the fingers to being twist-on-twist; During twisting metal core, adopt die drawing mode, close up a mouthful place place one wire drawing die at this strander steel wire, this wire drawing die bore dia is 3.3mm, and drawing rear diameter is 3.5mm, and in metal core, the rate control of thigh is 8%;
When twisting outer layer strand and metal core, outer layer strand is taked 5% and 3% twice compression ratio, and metal core is taked 8% first compression rate.
Along with the raising of intensity of steel wire, draw the mechanical performance of rear steel wire to reduce, after steel wire twisting, its mechanical performance also will decline, and reduces the deflection of steel wire through too small compression ratio, reduces the heating of steel wire tissue, reduces the loss of steel wire mechanical performance simultaneously.
Step 7: the outer layer strand of step 6 twisting and metal core are made to parallel twisting compacted strand steel wire rope, and steel wire rope laying pitch coefficient is 6.0～6.8 times.
embodiment 1
According to the gap value requirement each other of steel wire after steel cord structure, diameter, aggregate breaking force and twisting, suitable steel wire diameter is chosen in design; Consider that steel wire occurs compression situation when operation, the gap value between Lang lay rope steel wire is taken as 3.5～1.5%, and the gap value between rope strand is taken as 3～1.5%; And according to steel wire geometrical relationship, use triangle geometrical relationship formula to calculate gauge of wire used in steel wire rope, by the lay pitch, calculate the proportionate relationship between each layer of steel wire spiral angle, each layer of steel wire of twisting circle derivation; Determine the first cover wire 3 diameter δ in Lang lay rope
3for 1.28mm, the first steel wire of internal layer 6 diameter δ
1for 0.85mm, the first middle level steel wire 4 diameter δ
2for 1.88mm, filler wires 5 diameter δ
ffor 0.76mm, the first core wire 7 diameter δ
0for 1.63mm; The second cover wire 9 diameters are that 0.98mm, the second steel wire of internal layer 10 diameters are that 0.48mm, the second core wire 11 diameters are 0.85mm; The 3rd cover wire 13 diameters are that 1.20mm, the 3rd steel wire of internal layer 14 diameters are that 0.59 mm, the 3rd core wire 15 diameters are 1.05 mm.Press formula d
n=d-
0* (σ
n/ K σ
0)
2the diameter d of the corresponding raw material steel wire of different-diameter finished product steel wire that calculation procedure is definite
n: in formula, d-
0represent the finished steel filament diameter that step 1 provides, the mm of unit; σ
0represent the intensity after quenching steel wire; Value 1100MPa; σ
nthe nominal intensity that represents steel wire rope, value 1770MPa; K is wire drawing coefficient, value 1; The raw steel filament diameter calculating is corresponding, as shown in table 2 with finished steel filament diameter in step 1.
The corresponding table of table 2 raw steel filament diameter and finished steel filament diameter
| Raw steel filament diameter | 3.30 | 2.20 | 4.80 | 2.00 | 4.20 | 2.70 | 1.25 | 2.20 | 3.30 | 1.55 | 2.70 |
| Finished steel filament diameter | 1.28 | 0.85 | 1.88 | 0.76 | 1.63 | 0.98 | 0.48 | 0.85 | 1.20 | 0.59 | 1.05 |
The dish circle that the dish circle that to get grade of steel 65#, diameter be 6.5mm and grade of steel 55#, diameter are 6.5mm, adopt existing technique to carry out pickling, phosphatization and saponification to get dish circle, then, with water tank drawbench, the dish circle after processing is pulled into the raw material steel wire of the different-diameter shown in table 2, wherein the dish circle of grade of steel 55#, diameter 6.5mm pulls into the raw material steel wire that diameter is 2.00mm; Adopt existing technique to heat-treat the raw material steel wire pulling into; Use 560 water tank drawbench, it is 1.88mm and 1.63mm finished product steel wire that the raw material steel wire that is 4.80mm and 4.20mm by diameter is drawn into diameter; Use 350 water tank drawbench, it is 1.28mm, 1.20mm, 1.05 mm and 0.98mm finished product steel wire that the raw material steel wire that is 3.30mm and 2.70mm by diameter is drawn into diameter; Use 250 water tank drawbench, it is 0.85mm, 0.76mm, 0.59 mm and 0.48mm finished product steel wire that the raw material steel wire that is 2.20mm, 2.00mm, 1.55mm and 1.25mm by diameter is drawn into diameter; Adopt 36/400 strander twisting outer layer strand, at 6/400 strander steel wire, closing up mouthful place's placement three-high mill is rolled outer layer strand, the compression ratio of controlling outer layer strand is 5%, at three-high mill rear portion, increase wire drawing die one, the die throat diameter of this wire drawing die is 8.8mm, drawing rear diameter is 9.0mm, and the rate control of die drawing is 3%, and the laying pitch coefficient of outer layer strand is 7.5 times; Adopting 18/300 strander twisting laying pitch coefficient is the metal core of 8.0 times, and metal core is twisted with the fingers to being twist-on-twist; During twisting metal core, adopt die drawing mode, close up a mouthful place place one wire drawing die at this strander steel wire, this wire drawing die bore dia is 3.3mm, and drawing rear diameter is 3.5mm, and the rate control of thigh is 8%; When twisting outer layer strand and metal core, outer layer strand is taked 5% and 3% twice compression ratio, and metal core is taked 8% first compression rate; By 6/800 car finished product machine, the outer layer strand of twisting and metal core being made to laying pitch coefficient is the parallel twisting compacted strand steel wire rope of 6.8 times.
This parallel twisting compacted strand steel wire rope is carried out to whole rope tension test, dissolution of partnership test; Do pull test, torsion test, bend test, test data is in Table 3.
Table 3 parallel twisting compacted strand steel wire rope of the present invention performance and GB standard control table
Table 3 demonstration, the whole rope tension of parallel twisting compacted strand steel wire rope of the present invention has surpassed the numerical value of standard regulation; By after broken strand of this Lang lay rope, the number of bends of individual wire, number of torsions and value of thrust are all better than the numerical value of standard regulation, illustrate that Lang lay rope of the present invention has reached the requirement of GB/T8918-2006 standard regulations.
According to the gap value requirement each other of steel wire after steel cord structure, diameter, aggregate breaking force and twisting, suitable steel wire diameter is chosen in design; Consider that steel wire occurs compression situation when operation, the gap value between Lang lay rope steel wire is taken as 3.5～1.5%, and the gap value between rope strand is taken as 3～1.5%; And according to steel wire geometrical relationship, use triangle geometrical relationship formula to calculate gauge of wire used in steel wire rope, by the lay pitch, calculate the proportionate relationship between each layer of steel wire spiral angle, each layer of steel wire of twisting circle derivation; Determine the first cover wire 3 diameter δ in Lang lay rope
3for 1.28mm, the first steel wire of internal layer 6 diameter δ
1for 0.85mm, the first middle level steel wire 4 diameter δ
2for 1.88mm, filler wires 5 diameter δ
ffor 0.76mm, the first core wire 7 diameter δ
0for 1.63mm; The second cover wire 9 diameters are that 0.98mm, the second steel wire of internal layer 10 diameters are that 0.48mm, the second core wire 11 diameters are 0.85mm; The 3rd cover wire 13 diameters are that 1.20mm, the 3rd steel wire of internal layer 14 diameters are that 0.59 mm, the 3rd core wire 15 diameters are 1.05 mm.Press formula d
n=d-
0* (σ
n/ K σ
0)
2the diameter d of the corresponding raw material steel wire of different-diameter finished product steel wire that calculation procedure is definite
n: in formula, d-
0represent the finished steel filament diameter that step 1 provides, the mm of unit; σ
0represent the intensity after quenching steel wire; Value 1150MPa; σ
nthe nominal intensity that represents steel wire rope, value 1770MPa; K is wire drawing coefficient, value 1; The raw steel filament diameter calculating is corresponding, as shown in table 4 with finished steel filament diameter in step 1.
The corresponding table of table 4 raw steel filament diameter and finished steel filament diameter
| Raw steel filament diameter | 3.00 | 2.00 | 4.50 | 1.80 | 3.90 | 2.30 | 1.10 | 2.00 | 3.00 | 1.40 | 2.50 |
| Finished steel filament diameter | 1.28 | 0.85 | 1.88 | 0.76 | 1.63 | 0.98 | 0.48 | 0.85 | 1.20 | 0.59 | 1.05 |
The dish circle that the dish circle that to get grade of steel 65#, diameter be 6.5mm and grade of steel 55#, diameter are 6.5mm, adopt existing technique to carry out pickling, phosphatization and saponification to get dish circle, then, with water tank drawbench, the dish circle after processing is pulled into the raw material steel wire of the different-diameter shown in table 4, wherein the dish circle of grade of steel 55#, diameter 6.5mm pulls into the raw material steel wire that diameter is 1.80mm; Adopt existing technique to heat-treat the raw material steel wire pulling into; Use 560 water tank drawbench, it is 1.88mm and 1.63mm finished product steel wire that the raw material steel wire that is 4.50mm and 3.90mm by diameter is drawn into diameter; Use 350 water tank drawbench, it is 1.28mm, 1.20mm, 1.05 mm and 0.98mm finished product steel wire that the raw material steel wire that is 3.00mm, 2.30mm and 2.50mm by diameter is drawn into diameter; Use 250 water tank drawbench, it is 0.85mm, 0.76mm, 0.59 mm and 0.48mm finished product steel wire that the raw material steel wire that is 2.00mm, 1.80mm, 1.40mm and 1.10mm by diameter is drawn into diameter; Adopt 36/400 strander twisting outer layer strand, at 6/400 strander steel wire, closing up mouthful place's placement three-high mill is rolled outer layer strand, the compression ratio of controlling outer layer strand is 5%, at three-high mill rear portion, increase wire drawing die one, the die throat diameter of this wire drawing die is 8.8mm, drawing rear diameter is 9.0mm, and the rate control of die drawing is 3%, and the laying pitch coefficient of outer layer strand is 8.0 times; Adopting 18/300 strander twisting laying pitch coefficient is the metal core of 8.5 times, and metal core is twisted with the fingers to being twist-on-twist; During twisting metal core, adopt die drawing mode, close up a mouthful place place one wire drawing die at this strander steel wire, this wire drawing die bore dia is 3.3mm, and drawing rear diameter is 3.5mm, and the rate control of thigh is 8%; When twisting outer layer strand and metal core, outer layer strand is taked 5% and 3% twice compression ratio, and metal core is taked 8% first compression rate; By 6/800 car finished product machine, the outer layer strand of twisting and metal core being made to laying pitch coefficient is the parallel twisting compacted strand steel wire rope of 6.0 times.
embodiment 3
According to the gap value requirement each other of steel wire after steel cord structure, diameter, aggregate breaking force and twisting, suitable steel wire diameter is chosen in design; Consider that steel wire occurs compression situation when operation, the gap value between Lang lay rope steel wire is taken as 3.5～1.5%, and the gap value between rope strand is taken as 3～1.5%; And according to steel wire geometrical relationship, use triangle geometrical relationship formula to calculate gauge of wire used in steel wire rope, by the lay pitch, calculate the proportionate relationship between each layer of steel wire spiral angle, each layer of steel wire of twisting circle derivation; Determine the first cover wire 3 diameter δ in Lang lay rope
0for 1.28mm, the first steel wire of internal layer 6 diameter δ
1for 0.85mm, the first middle level steel wire 4 diameter δ
2for 1.88mm, filler wires 5 diameter δ
ffor 0.76mm, the first core wire 7 diameter δ
3for 1.63mm; The second cover wire 9 diameters are that 0.98mm, the second steel wire of internal layer 10 diameters are that 0.48mm, the second core wire 11 diameters are 0.85mm; The 3rd cover wire 13 diameters are that 1.20mm, the 3rd steel wire of internal layer 14 diameters are that 0.59 mm, the 3rd core wire 15 diameters are 1.05 mm.Press formula d
n=d-
0* (σ
n/ K σ
0)
2the diameter d of the corresponding raw material steel wire of different-diameter finished product steel wire that calculation procedure is definite
n: in formula, d-
0represent the finished steel filament diameter that step 1 provides, the mm of unit; σ
0represent the intensity after quenching steel wire; Value 1125MPa; σ
nthe nominal intensity that represents steel wire rope, value 1770MPa; K is wire drawing coefficient, value 1; The raw steel filament diameter calculating is corresponding, as shown in table 5 with finished steel filament diameter in step 1.
The corresponding table of table 5 raw steel filament diameter and finished steel filament diameter
| Raw steel filament diameter | 3.20 | 2.10 | 4.60 | 1.90 | 4.00 | 2.40 | 1.20 | 2.10 | 3.00 | 1.50 | 2.60 |
| Finished steel filament diameter | 1.28 | 0.85 | 1.88 | 0.76 | 1.63 | 0.98 | 0.48 | 0.85 | 1.20 | 0.59 | 1.05 |
The dish circle that the dish circle that to get grade of steel 65#, diameter be 6.5mm and grade of steel 55#, diameter are 6.5mm, adopt existing technique to carry out pickling, phosphatization and saponification to get dish circle, then, with water tank drawbench, the dish circle after processing is pulled into the raw material steel wire of the different-diameter shown in table 5, wherein the dish circle of grade of steel 55#, diameter 6.5mm pulls into the raw material steel wire that diameter is 1.90mm; Adopt existing technique to heat-treat the raw material steel wire pulling into; Use 560 water tank drawbench, it is 1.88mm and 1.63mm finished product steel wire that the raw material steel wire that is 4.60mm and 4.00mm by diameter is drawn into diameter; Use 350 water tank drawbench, it is 1.28mm, 1.20mm, 1.05 mm and 0.98mm finished product steel wire that the raw material steel wire that is 3.20mm, 3.00mm, 2.60mm and 2.4mm by diameter is drawn into diameter; Use 250 water tank drawbench, it is 0.85mm, 0.76mm, 0.59 mm and 0.48mm finished product steel wire that the raw material steel wire that is 2.10mm, 1.90mm, 1.50mm and 1.20mm by diameter is drawn into diameter; Adopt 36/400 strander twisting outer layer strand, at 6/400 strander steel wire, closing up mouthful place's placement three-high mill is rolled outer layer strand, the compression ratio of controlling outer layer strand is 5%, at three-high mill rear portion, increase wire drawing die one, the die throat diameter of this wire drawing die is 8.8mm, drawing rear diameter is 9.0mm, and the rate control of die drawing is 3%, and the laying pitch coefficient of outer layer strand is 8.5 times; Adopting 18/300 strander twisting laying pitch coefficient is the metal core of 8.3 times, and metal core is twisted with the fingers to being twist-on-twist; During twisting metal core, adopt die drawing mode, close up a mouthful place place one wire drawing die at this strander steel wire, this wire drawing die bore dia is 3.3mm, and drawing rear diameter is 3.5mm, and the rate control of thigh is 8%; When twisting outer layer strand and metal core, outer layer strand is taked 5% and 3% twice compression ratio, and metal core is taked 8% first compression rate; By 6/800 car finished product machine, the outer layer strand of twisting and metal core being made to laying pitch coefficient is the parallel twisting compacted strand steel wire rope of 6.4 times.
Claims (3)
1. a preparation method for parallel twisting compacted strand steel wire rope, is characterized in that, the method is specifically carried out according to the following steps:
Step 1: according to the gap value requirement each other of steel wire after steel cord structure, diameter, aggregate breaking force and twisting, and according to steel wire geometrical relationship, use triangle geometrical relationship formula to calculate finished product gauge of wire in steel wire rope, by the lay pitch, calculate the proportionate relationship between each layer of steel wire spiral angle, each layer of steel wire of twisting circle derivation;
Step 2: by following formula, the diameter d of the corresponding raw material steel wire of different-diameter finished product steel wire that calculation procedure 1 obtains
n:
d
n=d-
0×（σ
n/?Kσ
0）
2
In formula, d-
0represent the finished steel filament diameter that step 1 provides, the mm of unit;
σ
0represent the intensity after quenching steel wire, value 1100MPa～1150MPa;
σ
nthe nominal intensity that represents steel wire rope, value 1770MPa;
K is wire drawing coefficient, value 1;
Step 3: the dish circle that the dish circle that to get grade of steel 65#, diameter be 6.5mm and grade of steel 55#, diameter are 6.5mm, adopt existing technique to carry out pickling, phosphatization and saponification to get dish circle, then, the raw material steel wire that dish circle after processing is pulled into the different-diameter that step 2 calculates, wherein the dish circle of grade of steel 55#, diameter 6.5mm pulls into filler wires raw material steel wire used;
Step 4: adopt the raw material steel wire that existing technique pulls into step 3 to heat-treat;
Step 5: the finished product steel wire that the raw material steel wire of the different-diameter after step 4 heat treatment is drawn into respective diameters;
Step 6: get the finished product steel wire that step 5 obtains,
By strander twisting outer layer strand, at strander steel wire, closing up mouthful place's placement three-high mill is rolled outer layer strand, the compression ratio of controlling outer layer strand is 5%, at three-high mill rear portion, increase wire drawing die one, the die throat diameter of this wire drawing die is 8.8mm, drawing rear diameter is 9.0mm, and the rate control of die drawing is 3%, and the laying pitch coefficient of outer layer strand is 7.5～8.5 times;
Employing strander twisting laying pitch coefficient is the metal core of 8.0～8.5 times, and metal core is twisted with the fingers to being twist-on-twist; During twisting metal core, adopt die drawing mode, close up a mouthful place place one wire drawing die at this strander steel wire, this wire drawing die bore dia is 3.3mm, and drawing rear diameter is 3.5mm, and the rate control of thigh is 8%;
When twisting outer layer strand and metal core, outer layer strand is taked 5% and 3% twice compression ratio, and metal core is taked 8% compression ratio;
Step 7: it is the parallel twisting compacted strand steel wire rope of 6.0 times～6.8 times that the outer layer strand of step 6 twisting and metal core are made to laying pitch coefficient, is provided with six bursts of outer layer strand in this parallel twisting compacted strand steel wire rope around metal core; Construction of wire rope is 6 * K36SFi+IWRC-28mm; The structure of metal core is 7 * 19S.
2. preparation method according to claim 1, is characterized in that, adopts 36/400 strander twisting outer layer strand in described step 6; Adopt 18/300 strander twisting metal core.
3. preparation method according to claim 1, is characterized in that, adopts 6/800 car finished product machine twisting parallel twisting compacted strand steel wire rope in described step 7.
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| CN102926245B (en) * | 2012-11-22 | 2016-04-13 | 江苏赛福天钢索股份有限公司 | The preparation method of a kind of harbour specialized wire rope |
| CN103243595A (en) * | 2013-05-20 | 2013-08-14 | 天津高盛钢丝绳有限公司 | Method for twisting steel wire rope |
| CN103498362A (en) * | 2013-10-14 | 2014-01-08 | 无锡通用钢绳有限公司 | Technology for producing 6*31WS-PWRC-14 micro-rotation steel wire rope |
| CN104179048B (en) * | 2014-07-22 | 2016-03-30 | 中国矿业大学 | A kind of rope method for designing of comprehensive multi-parameter |
| CN105887528A (en) * | 2014-09-03 | 2016-08-24 | 江苏兴龙金属制品股份有限公司 | High-strength flexible composite steel wire tope |
| CN110546324B (en) | 2017-04-28 | 2022-02-18 | 株式会社普利司通 | Steel cord for reinforcing rubber article, method for producing same, and tire |
| CN109281212A (en) * | 2018-09-10 | 2019-01-29 | 泰州华泽金属工业有限公司 | A kind of wire drawing twisting method of wirerope |
| CN110158339A (en) * | 2019-05-21 | 2019-08-23 | 贵州钢绳股份有限公司 | A kind of wire rope design method used for electric hoist and its manufacturing method |
| CN112411221A (en) * | 2020-11-10 | 2021-02-26 | 贵州钢绳股份有限公司 | Method for manufacturing filling type compacted strand steel wire rope |
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| US2181341A (en) * | 1937-11-17 | 1939-11-28 | American Steel & Wire Co | Wire rope |
| US2567300A (en) * | 1949-06-30 | 1951-09-11 | American Steel & Wire Co | Wire rope |
| US4051661A (en) * | 1976-09-15 | 1977-10-04 | Bethlehem Steel Corporation | Wire strand and rope |
| JPH08158275A (en) * | 1994-11-25 | 1996-06-18 | Tokyo Seiko Co Ltd | High strength wire rope |
| JPH1193089A (en) * | 1997-09-19 | 1999-04-06 | Tokyo Seiko Co Ltd | High-tensile wire rope and its production |
| CA2298945C (en) * | 2000-02-18 | 2004-11-02 | Wire Rope Industries Ltd. - Industries De Cables D'acier Ltee | Wire rope with reverse jacketed iwrc |
| JP5307395B2 (en) * | 2006-08-25 | 2013-10-02 | 三菱電機株式会社 | Elevator rope |
| CN201053089Y (en) * | 2007-05-21 | 2008-04-30 | 咸阳石油钢管钢绳有限责任公司 | High-strength well drilling steel cable for ultra deep well drilling machine |
| CN202202197U (en) * | 2011-08-19 | 2012-04-25 | 甘肃荣信电材科技有限公司 | Parallelly-twisted compact-strand wire rope for container equipment |
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