CN216640068U - Tower jack-up is with stand wear and tear compaction thigh wire rope - Google Patents
Tower jack-up is with stand wear and tear compaction thigh wire rope Download PDFInfo
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- CN216640068U CN216640068U CN202122089588.0U CN202122089588U CN216640068U CN 216640068 U CN216640068 U CN 216640068U CN 202122089588 U CN202122089588 U CN 202122089588U CN 216640068 U CN216640068 U CN 216640068U
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- 238000005056 compaction Methods 0.000 title description 4
- 210000000689 upper leg Anatomy 0.000 title description 2
- 239000010410 layer Substances 0.000 claims abstract description 94
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 72
- 239000010959 steel Substances 0.000 claims abstract description 72
- 239000011241 protective layer Substances 0.000 claims abstract description 14
- 238000005299 abrasion Methods 0.000 claims abstract description 12
- 230000001050 lubricating effect Effects 0.000 claims abstract description 11
- 239000004519 grease Substances 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims description 13
- 230000007797 corrosion Effects 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 11
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000011572 manganese Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model provides a wear-resistant compacted strand steel wire rope for tower crane, and the functional core and the main core strand of the rope core of the steel wire rope meet the requirement of the steel wire rope on lubrication and ensure the strength and the supporting capacity of the rope core. The protective layer on the outer layer of the rope core can protect the rope core, avoid friction between the rope core and the rope strand and simultaneously play a role in transferring lubricating grease to lubricate the rope strand. The rope strands comprise a central core, inner layer fine wires and outer layer thick wires, and the outer layer thick wire rope strands in a contact-shaped compacted surface improve the compression ratio of the steel wire rope and increase the wear resistance. The first auxiliary strand and the second auxiliary strand play roles in sharing bearing pressure and filling gaps, so that the integrity of the steel wire rope is improved. The existence of the abrasion-resistant layer prevents the steel wire rope main body from rubbing with the outside and also prevents the outside water vapor or other harmful substances from being corroded.
Description
Technical Field
The utility model belongs to the technical field of steel wire ropes, and particularly relates to a tower-type hoisting wear-resistant compacted strand steel wire rope.
Background
Tower crane (tower crane) is called tower crane for short, and is a rotating crane with a movable arm mounted on the upper part of a high tower body. The device has large operation space and is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. Among various hoisting parts of the tower crane, the number is the largest, and the part with strict technical requirements and complicated specifications is a steel wire rope. The steel wire rope is generally a structural member (part) formed by twisting a strand of steel wire into a strand and twisting the strand into a rope shape. It is characterized in that: the whole root has high strength, the section of the whole root has the same size, the strength is consistent, the dead weight is light, the whole root can bear vibration load, the elasticity is large, the whole root can be wound into a disc, the whole root can move in a balanced manner at high speed, no noise exists, and the outer skin of the whole root can generate a plurality of burrs after being worn, so that the whole root is easy to find and convenient to dispose in time.
The steel wire rope that the tower machine used has according to the function difference: lifting steel wire ropes, amplitude-variable steel wire ropes, arm support pull ropes, balance arm pull ropes, trolley traction ropes and the like. For such steel cords, reciprocal twisting is usually used, which is characterized by a low tendency to loosen and twist. However, due to the high-strength working requirement and the harsh working environment, the steel wire rope lifted by the tower crane is easy to wear and corrode in the working process, so that the service life of the steel wire rope is shortened, and even the steel wire rope is broken. Not only influence the work of tower machine, have the potential safety hazard moreover. Besides basic system lubrication of the steel wire rope, the service life can be prolonged.
SUMMERY OF THE UTILITY MODEL
Aiming at the problem that the service life of the steel wire rope is influenced by abrasion, corrosion and the like in the using process of the existing steel wire rope, the utility model provides the wear-resistant compacted strand steel wire rope for the tower crane, which has high strength and good wear resistance and corrosion resistance, reduces the damage to the steel wire rope in the using process and prolongs the service life of the steel wire rope.
In order to achieve the purpose, the utility model provides a wear-resistant compacted strand steel wire rope for tower crane, which comprises a rope core, a rope strand, a wear-resistant layer and a first auxiliary strand; the rope core comprises a functional core, a plurality of main rope core strands, a plurality of second auxiliary strands and a protective layer; the main rope core strands surround the outer side of the functional core and are distributed circumferentially; the second auxiliary strand is at the gap of adjacent main wick strands; the protective layer completely covers the main rope core strand and the second auxiliary strand; the functional core is arranged as a fiber core; the main rope core strand is set to be a compacted metal core; the strand comprises a central core, inner layer fine filaments and outer layer thick filaments; the inner layer filaments are mutually wound by taking the central core as a center; the outer layer thick filaments are wound on the periphery of the inner layer thin filaments; the inner layer thin wires and the outer layer thick wires are steel wires; the inner layer filaments are in line contact; the outer layer thick filaments are in surface contact; the first auxiliary strand is arranged at the gap between the adjacent strands; the rope strands are twisted outside the rope core; the abrasion-resistant layer is tightly wrapped on the strand and the first auxiliary strand outer layer.
Preferably, the functional core is formed using a plurality of fiber strands storing lubricating grease.
Preferably, the main rope core strand is a compacted surface contact central steel wire and a plurality of compacted surface contact outer layer steel wires wrapping the central steel wire.
Preferably, the protective layer is a carbon fiber sheath layer.
Preferably, the first auxiliary strand and the second auxiliary strand are reinforced steel bars.
Preferably, the diameter of the thick filaments of the outer layer is 2 to 3 times that of the thin filaments of the inner layer.
Preferably, the inner layer filaments and the outer layer filaments have opposite twisting directions.
Preferably, the wear-resistant layer includes a corrosion-resistant layer and a wear-resistant layer.
Preferably, the corrosion-resistant layer is a steel wire mesh layer plated with a manganese-based phosphate coating.
Preferably, the wear-resistant layer is a polyurethane layer.
Compared with the prior art, the utility model has the following beneficial effects: according to the tower-type hoisting wear-resistant compacted strand steel wire rope provided by the utility model, the center of the rope core is provided with the functional core for storing rich lubricating grease, so that the lubricating requirement of the steel wire rope in the use process can be met, the strength and the supporting capacity of the rope core are ensured by the main rope core strand in the contact state of the whole compacted surface, and the protective layer on the outer layer of the rope core plays a role in protecting the rope core, avoiding friction between the rope core and the rope strand and simultaneously playing a role in transferring lubricating grease to lubricate the rope strand. The rope strand consists of a center core, an inner layer fine wire and an outer layer coarse wire, and the outer layer coarse wire is in a compacted surface contact state, so that the compression rate of the rope strand is increased, and the wear resistance of the steel wire rope is improved. The first auxiliary strand and the second auxiliary strand have the functions of supporting and bearing overload to reduce the bearing pressure of the strands and the main core strand, and the first auxiliary strand and the second auxiliary strand are filled in a gap between the steel wire ropes together with the compaction structure to improve the integrity of the steel wire ropes, so that the abrasion-resistant layer avoids the friction between the steel wire rope main body and the outside and also avoids the corrosion of outside water vapor or other harmful substances.
Drawings
Fig. 1 is a schematic structural view of an abrasion-resistant compacted strand steel wire rope for tower crane according to the present invention.
In the figure: 100-rope core, 200-rope strand, 300-wear-resistant layer, 400-first auxiliary strand, 110-functional core, 111-fiber filament, 120-main rope core strand, 121-central steel wire, 122-outer steel wire, 130-second auxiliary strand, 140-protective layer, 210-central core, 220-inner-layer filament, 230-outer-layer thick filament, 310-corrosion-resistant layer and 320-wear-resistant layer.
Detailed Description
To further describe the present invention in detail, the following description is made with reference to the accompanying drawings. It is to be noted that the embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the embodiment provides a wear-resistant compacted strand steel wire rope for tower crane, which includes a rope core 100, a rope strand 200, a wear-resistant layer 300 and a first auxiliary strand 400; the rope core comprises a functional core 110, a plurality of main rope core strands 120, a plurality of second auxiliary strands 130 and a protective layer 140; the main wick strands 120 are circumferentially distributed around the outside of the functional wick 110; the second auxiliary strand 130 is at the gap of the adjacent main core strand 120; the protective layer 140 completely covers the main core strand 120 and the second auxiliary strand 130; the functional core 110 is provided as a fiber core; the primary wick strand 120 is provided as a compacted metal core.
The strand 200 comprises a central core 210, inner layer filaments 220 and outer layer thick filaments 230; the inner layer filaments 220 are wound around each other centering on the central core 210; the outer layer thick filaments 230 are wound on the periphery of the inner layer thin filaments 220; the inner layer filaments 220 and the outer layer thick filaments 230 are steel wires; the inner layer filaments 220 are in line contact with each other; the outer layer thick filaments 230 are in surface contact; the first auxiliary strand 400 is disposed at a gap between adjacent strands 200; the rope strand 200 is twisted outside the rope core 100; the abrasion-resistant layer 300 is tightly wrapped around the strands 200 and the first auxiliary strand 400.
The functional core 110 is formed using a plurality of fiber filaments 111 in a bundle, and the fiber filaments 111 store lubricating grease. It will be appreciated that the specific fiber material of the filament 111 can be selected by the user according to the actual operational needs and economic benefits.
The main core strand 120 is a compacted surface-contacted central steel wire 121 and a plurality of compacted surface-contacted outer layer steel wires 122 wrapping the central steel wire 121. It can be appreciated that the compacted metal main core strand ensures the overall strength and support of the core.
The protective layer 140 is a carbon fiber sheath layer. It can be understood that the carbon fiber has the characteristics of high temperature resistance, friction resistance, corrosion resistance, low density and the like, and has high strength and modulus along the fiber axis direction. The rope core protective layer can play a role in good protection and avoiding friction between the rope core and the rope strands. And because of the structure of the fiber, the lubricating grease in the functional core can be transferred to the strand under the extrusion of the external pressure.
The first auxiliary strand 400 and the second auxiliary strand 130 are reinforced steel bars. It will be appreciated that in this embodiment, the reinforcing steel bars with larger diameter are selected because the first and second auxiliary strands mainly serve to bear the pressure on the strands and the main core strand and fill the voids in the steel cord. The foregoing is illustrative only and is not to be construed as limiting the scope of the utility model.
The outer layer thick filaments 230 have a diameter 2 to 3 times the diameter of the inner layer thin filaments 220.
The inner layer filaments 220 are twisted in the opposite direction to the outer layer filaments 230. It will be appreciated that the opposite twist direction is less prone to loosening and twisting when subjected to forces due to the principle of rotational moment balancing.
It can be understood that the abrasion-resistant layer 300 is provided with the corrosion-resistant layer 310 and the abrasion-resistant layer 320, because physical damage to the steel wire rope caused by friction during operation and chemical damage caused by external moisture or other corrosive substances are generated.
The corrosion-resistant layer 310 is provided as a steel wire mesh layer plated with a manganese-based phosphate coating. As can be understood, the existence of the manganese-based phosphate coating enables the steel wire mesh to have excellent corrosion resistance and wear resistance.
In this embodiment, the wear-resistant layer 320 is a polyurethane layer. It can be understood that the polyurethane has excellent properties of high strength, good toughness, wear resistance, oil resistance and the like, and can play a good wear-resistant effect. The foregoing is illustrative only and is not to be construed as limiting the scope of the utility model.
According to the tower-type hoisting wear-resistant compacted strand steel wire rope provided by the utility model, the center of the rope core is provided with the functional core for storing rich lubricating grease, so that the lubricating requirement of the steel wire rope in the use process can be met, the strength and the supporting capacity of the rope core are ensured by the main rope core strand in the contact state of the whole compacted surface, and the protective layer on the outer layer of the rope core plays a role in protecting the rope core, avoiding friction between the rope core and the rope strand and simultaneously playing a role in transferring lubricating grease to lubricate the rope strand. The rope strand consists of a center core, an inner layer fine wire and an outer layer coarse wire, and the outer layer coarse wire is in a compacted surface contact state, so that the compression rate of the rope strand is increased, and the wear resistance of the steel wire rope is improved. The first auxiliary strand and the second auxiliary strand have the functions of supporting and bearing overload to reduce the bearing pressure of the strands and the main core strand, and the first auxiliary strand and the second auxiliary strand are filled in a gap between the steel wire ropes together with the compaction structure to improve the integrity of the steel wire ropes, so that the abrasion-resistant layer avoids the friction between the steel wire rope main body and the outside and also avoids the corrosion of outside water vapor or other harmful substances.
The above-disclosed embodiments are merely illustrative of the present invention, which should not be construed as limiting the scope of the utility model, and therefore, the present invention is not limited thereto.
The scope of the present invention should be determined by the following claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and these should be considered within the scope of the utility model.
Claims (10)
1. A wear-resistant compacted strand steel wire rope for tower crane is characterized by comprising a rope core, a rope strand, a wear-resistant layer and a first auxiliary strand; the rope core comprises a functional core, a plurality of main rope core strands, a plurality of second auxiliary strands and a protective layer; the main rope core strands surround the outer side of the functional core and are distributed circumferentially; the second auxiliary strand is at the gap of adjacent main wick strands; the protective layer completely covers the main rope core strand and the second auxiliary strand; the functional core is arranged as a fiber core; the main rope core strand is set to be a compacted metal core;
the strand comprises a central core, inner layer fine filaments and outer layer thick filaments; the inner layer filaments are mutually wound by taking the central core as the center; the outer layer thick filaments are wound on the periphery of the inner layer thin filaments; the inner layer thin wires and the outer layer thick wires are steel wires; the inner layer filaments are in line contact; the outer layer thick filaments are in surface contact; the first auxiliary strand is arranged at the gap between the adjacent strands; the rope strands are twisted outside the rope core; the abrasion-resistant layer is tightly wrapped on the strand and the first auxiliary strand outer layer.
2. The wear-resistant compacted strand steel wire rope for tower crane according to claim 1, wherein: the functional core is formed by bundling a plurality of fiber yarns, and the fiber yarns store lubricating grease.
3. The wear-resistant compacted strand steel wire rope for tower crane according to claim 1, wherein: the main rope core strand is a central steel wire with compacted surface contact and a plurality of outer layer steel wires with compacted surface contact wrapping the central steel wire.
4. The wear-resistant compacted strand steel wire rope for tower crane according to claim 1, wherein: the protective layer is a carbon fiber sheath layer.
5. The wear-resistant compacted strand steel wire rope for tower crane according to claim 1, wherein: the first auxiliary strand and the second auxiliary strand are reinforced steel bars.
6. The wear-resistant compacted strand steel wire rope for tower crane according to claim 1, wherein: the diameter of the thick filaments of the outer layer is 2 to 3 times of that of the thin filaments of the inner layer.
7. The wear-resistant compacted strand steel wire rope for tower crane according to claim 1, wherein: the twisting direction of the inner layer thin filaments is opposite to that of the outer layer thick filaments.
8. The wear-resistant compacted strand steel wire rope for tower crane according to claim 1, wherein: the wear-resistant layer comprises a corrosion-resistant layer and a wear-resistant layer.
9. The abrasion-resistant compacted strand steel wire rope for tower crane according to claim 8, wherein: the corrosion-resistant layer is a steel wire mesh layer plated with a manganese-based phosphate coating.
10. The abrasion-resistant compacted strand steel wire rope for tower crane according to claim 8, wherein: the wear-resistant layer is a polyurethane layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122089588.0U CN216640068U (en) | 2021-08-31 | 2021-08-31 | Tower jack-up is with stand wear and tear compaction thigh wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122089588.0U CN216640068U (en) | 2021-08-31 | 2021-08-31 | Tower jack-up is with stand wear and tear compaction thigh wire rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216640068U true CN216640068U (en) | 2022-05-31 |
Family
ID=81722566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122089588.0U Active CN216640068U (en) | 2021-08-31 | 2021-08-31 | Tower jack-up is with stand wear and tear compaction thigh wire rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216640068U (en) |
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2021
- 2021-08-31 CN CN202122089588.0U patent/CN216640068U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: No. 151, Furong Zhongsan Road, Xishan Economic Development Zone, Xishan District, Wuxi City, Jiangsu Province, 214000 Patentee after: Jiangsu Saifutian Group Co.,Ltd. Country or region after: China Address before: No. 151, Furong Zhongsan Road, Xishan Economic Development Zone, Xishan District, Wuxi City, Jiangsu Province, 214000 Patentee before: JIANGSU SAFETY STEEL WIRE ROPE Co.,Ltd. Country or region before: China |