CN201627105U - Composite structure twisted steel wire rope - Google Patents
Composite structure twisted steel wire rope Download PDFInfo
- Publication number
- CN201627105U CN201627105U CN2010200469153U CN201020046915U CN201627105U CN 201627105 U CN201627105 U CN 201627105U CN 2010200469153 U CN2010200469153 U CN 2010200469153U CN 201020046915 U CN201020046915 U CN 201020046915U CN 201627105 U CN201627105 U CN 201627105U
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- CN
- China
- Prior art keywords
- steel wire
- strand
- wire rope
- twisting
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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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
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2024—Strands twisted
- D07B2201/2027—Compact winding
- D07B2201/2028—Compact winding having the same lay direction and lay pitch
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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
-
- 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
Abstract
The utility model relates to a composite structure twisted steel wire rope, which is specially used for hoisting an oil field derrick, and is characterized by mainly comprising 6 composite structure strands and one fiber rope core, wherein each composite structure strand is formed by compounding an inner-layer 49SWS and an outer-layer 48S, and each strand comprises 97 steel wires in total, that is, each strand is formed by twisting 6 layers of the steel wires outside one central wire. The structure of the steel wire rope is 6 multiplied by 97SWSNS-FC. The steel wire rope has the benefits of stable structure, large metal filling coefficient, high breaking force, excellent softness, small elongation percentage, etc. The steel wire rope can be smoothly wound on a pulley with the diameter at the tank bottom 10 times of the nominal diameter of the steel wire rope during the use, and the wrap angle is no less than 180 DEG. The contact area among the steel wires is large, and the contact stress is small, so that the steel wire rope has good fatigue resistance. When the steel wire rope receives load, the steel wire rope can lead all the layers of the steel wires to receive the almost equivalent force, thereby significantly prolonging the service life of the steel wire rope.
Description
Technical field
The utility model relates to the steel wire rope technical field, and particularly a kind of steel wire rope of composite construction twisting is used for the oil field derrick special-purpose steel wire rope that hoists.
Background technology
At present, the oil field derrick hoists as the oil field special operation, when oil drilling begins and finish, is used for a kind of special operation of derrick telescoping.Because the derrick sole mass is big, for alleviating the deadweight of erecting equipment, the equipment pulley system that requirement hoists is as far as possible little, therefore requires steel wire rope to have good flexibility and higher rupture pull force.In addition, two steel wire ropes used simultaneously when derrick hoisted, and hoist steadily, required steel cord structure stable, and percentage elongation is little.Because this operation is only used in the beginning of every mouthful of well with when finishing, the steel wire rope frequency of utilization is little, and the cycle is long, therefore requires steel wire rope must have the good corrosion energy, so that reuse after the long-time placement.
China's traditional structure of oil field derrick steel wire ropes for hoisting is 6 * 61 (M)-FC, and this structure steel wire rope is prone to jumps defectives such as silk, strand silk is loosening, structural stability is poor, breaking force of rope is low.Intersecting splices touches state owing to being between this each layer of structure thigh steel wire, and contact area is little between silk and the silk, and compact stress is big, thereby the security performance of steel wire rope is lower with use longevity color ratio.Simultaneously because in 6 * 61 (M)-FC structure steel wire ropes, thigh belongs to multiple operation intersection twisting, its main strand needs four twistings, not only the production cycle is long, efficient is low, and when the production outer layer strand, the very easily layering of internal layer thigh, a burst silk loose twist phenomenon occurs, the internal layer thigh need be placed on special use and stand up on the frame irregularly twisting and just can finish production.When closing rope, steel wire rope rope face is jumped the silk defective and is happened occasionally, and product percent of pass is very low.
Use this structure steel wire rope not only to bring greater loss, often use and after 8 times, just scrap to the oil field; And because steel wire rope exists the surface to jump defectives such as silk, after steel wire rope is processed into rigging, repeatedly owing to blemish brings very big hidden danger to stop using to safety in production, the rig that China exports to foreign countries repeatedly influences drilling well and normally uses because of blemish appears in the derrick big lifting rope, not only gives the user but also brings enormous economic loss for Wire Rope Production producer.
The utility model content
The purpose of this utility model is: the steel wire rope that a kind of composite construction twisting is provided, promptly 6 * 97SWSNS-FC composite construction steel wire rope is as the special use that hoists of oil field derrick, improve steel cord structure stability and softness, steel wire rope density metal and bearing capacity are improved a lot, increase the rupture pull force of steel wire rope; And prolongation steel wire rope service life and operational security.
The technical solution adopted in the utility model is: the steel wire rope of composite construction twisting, mainly form by 6 composite construction strands and 1 fiber wire rope core, 6 composite construction strands are that 49SWS and the outer field 48S by internal layer is composited, strand has 97 steel wires, and promptly strand is the 6 layers of steel wire of outside twisting at 1 central hair.Structure is 6 * 97SWSNS-FC.
The structure of described strand is 97WSNS (1-8-8+8-16/24-24) composite construction.Be 49SWS (1-8-8-8+8-16) the structure strand that there is twisting the inside of strand, the two-layer parallel sth. made by twisting steel wire of secondary twisting is arranged in the outside of 49SWS (1-8-8-8+8-16) structure strand.49SWS (1-8-8-8+8-16) structure strand is by 1 core wire, 8 steel wire of internal layer, 8 steel wire of internal layer, 8 outer big silks, 8 outer little silks and 16 cover wire once twisting moulding on the blue formula strander of basket.In 49SWS (1-8-8-8+8-16) structure strand outside 24 steel wire of internal layer and 24 outer layer strand cover wires are arranged.Between 49SWS (1-8-8-8+8-16) structure strand and the outer layer strand steel wire of internal layer for point, line is compound contacts; Contact for line between outer layer strand steel wire of internal layer and the outer layer strand cover wire.
The method for expressing of expression of the steel wire rope of composite construction twisting " 6 * 97SWSNS-FC " and strand " 1-8-8-8+8-16/24-24 " and strand " 49SWS (1-8-8-8+8-16) " is the method for expressing that adopts " steel wire rope-term, mark and the classification " of national Specification, and those skilled in the art can understand.
The preparation method of strand: strand is twisting at twice, be twisting 49SWS (1-8-8-8+8-16) structure strand for the first time, second operation work be with the first time twisting strand be the center, skin is the two-layer steel wire of twisting again, 24 on every layer of steel wire, cover wire and time cover wire way of contact Xi Lushi.The contact condition of two-layer steel wire is some contact (promptly 24 steel wires of outer 16 steel wires and second operation work internal layers of first procedure are point, line is compound contacts, and belongs to composite construction and twists with the fingers, and N represents with symbol) between the two procedures.
For guaranteeing that 97 steel wires closely contact in the whole thigh, defectives such as a silk and a strand silk become flexible do not appear in the strand production jumping, require internal layer thigh footpath enlarged diameter 1.5% on the basis that theory is calculated.For guaranteeing stressed uniformity in the steel wire rope use, the spiral angle that requires the outer layer strand cover wire is 18.3 °, and the spiral angle of the internal layer thigh cover wire of the first procedure production is 18.5 °.
The fiber wire rope core is the fiber wire rope core (by its process characteristic, also can be called numb cable) by common 5 cordage twisting on the blue formula crank closer of basket.The structure of fiber wire rope core is 1-4.Form by 1 center fiber rope and 4 peripheral fibres ropes.Each fiber is irregular status in the fiber cable.For guaranteeing that hemp core has enough supporting roles, and make steel wire rope elongation after pre-stretch-draw less, must use post-former and size rolls during fiber wire rope core twisting, guarantee that it has enough intensity and hardness.
The special operation mode that hoists at the oil field derrick and to the requirement of properties of product, the steel wire rope of designing a kind of composite construction twisting substitutes 6 * 61-FC, adopt parallel sth. made by twisting to replace cross lay, reduce the strand production process, the structural stability that improves each layer steel wire is a general thought; Carry out the method for Combination Design with twice parallel sth. made by twisting strand, after deliberation, exploitation and field trial repeatedly, developed at the oil field derrick novel special composite structure steel wire rope of 6 * 97SWSNS-FC that operation uses that hoists.
The beneficial effects of the utility model: the steel wire rope of the utility model composite construction twisting is compared with ordinary steel rope and mainly contained following advantage: the steel wire rope of composite construction twisting has good stable performance and softness, basically being parallel sth. made by twisting state between silk and the silk in the steel wire rope contacts, density metal increases, bearing capacity improves, and the rupture pull force of steel wire rope obviously increases.Parallel splicing touch state owing to be between the steel wire, contact area is big between the steel wire, and compact stress is little, and anti-fatigue performance is good, thereby the steel wire rope long service life.Secondly owing to be the line contact condition between the steel wire, burst Stability Analysis of Structures is good, and the security performance of its use obviously improves, and is fit to the steel wire rope of the above specification of 70.0mm.
(1) breaking force of rope height is higher by 10% than 6 * 61 (M) structure steel wire rope;
(2) steel cord structure is tight, good stability;
(3) flexibility of steel wire rope is excellent;
(4) the steel cord structure elongation is little;
(5) steel wire rope anti-fatigue performance and high life are than 6 * 61 (M) structure steel wire rope high life more than 40%.
Description of drawings
Fig. 1 is the steel cord structure schematic cross section of the utility model composite construction twisting.
Fig. 2 is the structure schematic cross section of steel strand.
Among the figure, 1-strand, 2-fiber wire rope core, 1.1-core wire, 1.2-steel wire of internal layer, 1.3-steel wire of internal layer, 1.4-outer big silk, 1.5-outer little silk.1.6-cover wire, 1.7-outer layer strand steel wire of internal layer, 1.8-outer layer strand cover wire.
The specific embodiment
Embodiment 1: with a root architecture is 6 * 97SWS+FC, and diameter is that the steel wire rope of the composite construction twisting of 76.0mm is an example, and the utility model is described in further detail.
Consult Fig. 1.The steel wire rope of the utility model composite construction twisting, strand is formed around 1 fibre core 2 twisting (right ordinary lay) by 6 diameter 25.0mm strands 1.6 composite construction strands 1 are that 49SWS and the outer field 48S by internal layer is composited, and strand 1 has 97 steel wires, and promptly strand 1 is the 6 layers of steel wire of outside twisting at 1 central hair.Structure is 6 * 97SWSNS-FC.
The structure of described strand 1 is 97WSNS (1-8-8+8-16/24-24) composite construction, is formed by 97 steel wire branch two procedures twistings.Be first twisting internal layer thigh, strand diameter is 49SWS (1-8-8-8+8-16) the structure strand of 15.9mm, again at the outside twisting outer layer strand steel wire of internal layer 1.7 and outer layer strand cover wire 1.8 of 49SWS (1-8-8-8+8-16) structure strand.
First procedure twisting 49SWS (1-8-8-8+8-16) the structure strand diameter is 15.9mm.It is that 2.00mm, 8 steel wire of internal layer 1.2 diameters are that 1.17mm, 8 steel wire of internal layer 1.3 diameters are that 2.30mm, 8 outer big silk 1.4 diameters are that 2.10mm, 8 outer little silk 1.5 diameters are that 1.60mm and 16 cover wire 1.6 diameters are 2.45mm that 1 core wire 1.1 diameter is arranged, once twisting moulding on the blue formula strander of basket.Using special-purpose noseplate and 3 to vary in size when twisting and force a silk ring primary twisting, force an annular distance molded dimension, is respectively 5.0mm, 9.30mm and 12.8mm from inside to outside.
Second operation work is at the outside twisting 48S of 49SWS (1-8-8-8+8-16) structure strand structure thigh, and promptly 1.7 footpaths of 24 steel wire of internal layer are that 2.23mm and 1.8 footpaths of 24 cover wires are 2.70mm.Between the steel wire of internal layer 1.7 of 49SWS (1-8-8-8+8-16) structure strand and outer layer strand 48S contact condition and for point, line is compound contacts; Second road is twisted with the fingers in burst operation and is contacted for the Xi Lushi line between the steel wire of internal layer 1.7 and outer layer strand cover wire 1.8.The diameter of the steel wire rope of composite construction twisting is 76.0mm.When strand is produced, must use the blue formula strander of basket, the internal layer thigh is placed on the pay off rack that can stand up, and when preventing the production outer layer strand, the internal layer thigh loose twist in the center plays bag.
The diameter of 1 fiber wire rope core 2 is 37.5mm, twists with the fingers left.The fiber wire rope core is to be the center by the left-hand lay fibre core that 1 diameter is 14.8mm, and the outside is 4 diameters of twisting right-laid fibre core that is 15.4mm again, and once being twisted into diameter on crank closer is the left-hand lay fiber wire rope core of 37.5mm, and its lay pitch is 140mm.Do not carry out predeformation during fiber wire rope core twisting and handle, but use post-former and size rolls, guarantee closely contact between whole fiber rope strand.
Claims (2)
1. the steel wire rope of a composite construction twisting, mainly form by 6 composite construction strands (1) and 1 fiber wire rope core (2), it is characterized in that: 6 composite construction strands (1) are to be composited by the 49SWS of internal layer and outer field 48S, strand (1) has 97 steel wires, be that strand (1) is the 6 layers of steel wire of outside twisting at 1 central hair, structure is 6 * 97SWSNS-FC.
2. the steel wire rope of composite construction twisting according to claim 1, it is characterized in that: the structure of described strand (1) is 97WSNS (1-8-8+8-16/24-24) composite construction, it is 49SWS (1-8-8-8+8-16) the structure strand that there is twisting the inside of strand (1), the two-layer parallel sth. made by twisting steel wire (48S/24-24) that the secondary twisting is arranged in the outside of 49SWS structure strand, 49SWS (1-8-8-8+8-16) structure strand is by 1 core wire (1.1), 8 steel wire of internal layer (1.2), 8 steel wire of internal layer (1.3), 8 outer big silks (1.4), the once twisting moulding on the blue formula strander of basket of 8 outer little silks (1.5) and 16 cover wires (1.6), in 49SWS (1-8-8-8+8-16) structure strand outside 24 steel wire of internal layer (1.7) and 24 outer layer strand cover wires (1.8) being arranged, is a little between 49SWS (1-8-8-8+8-16) structure strand and the outer layer strand steel wire of internal layer (1.7), the compound contact of line; Contact for line between outer layer strand steel wire of internal layer (1.7) and the outer layer strand cover wire (1.8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200469153U CN201627105U (en) | 2010-01-14 | 2010-01-14 | Composite structure twisted steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200469153U CN201627105U (en) | 2010-01-14 | 2010-01-14 | Composite structure twisted steel wire rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201627105U true CN201627105U (en) | 2010-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200469153U Expired - Lifetime CN201627105U (en) | 2010-01-14 | 2010-01-14 | Composite structure twisted steel wire rope |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330371A (en) * | 2011-08-19 | 2012-01-25 | 甘肃荣信电材科技有限公司 | Alternate lay steel wire rope for elevating equipment of sand bailing ship and production method thereof |
| CN103255655A (en) * | 2012-02-16 | 2013-08-21 | 温芫鋐 | Composite metal rope |
| CN107905007A (en) * | 2017-12-18 | 2018-04-13 | 贵州钢绳股份有限公司 | A kind of fatigue performance steel wire rope and its manufacture method |
-
2010
- 2010-01-14 CN CN2010200469153U patent/CN201627105U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330371A (en) * | 2011-08-19 | 2012-01-25 | 甘肃荣信电材科技有限公司 | Alternate lay steel wire rope for elevating equipment of sand bailing ship and production method thereof |
| CN102330371B (en) * | 2011-08-19 | 2014-01-29 | 甘肃荣信电材科技有限公司 | Alternate lay steel wire rope for elevating equipment of sand bailing ship and production method thereof |
| CN103255655A (en) * | 2012-02-16 | 2013-08-21 | 温芫鋐 | Composite metal rope |
| CN103255655B (en) * | 2012-02-16 | 2015-08-19 | 温芫鋐 | Composite metal rope |
| CN107905007A (en) * | 2017-12-18 | 2018-04-13 | 贵州钢绳股份有限公司 | A kind of fatigue performance steel wire rope and its manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101110 |