CN201449797U - Lifting cable - Google Patents
Lifting cable Download PDFInfo
- Publication number
- CN201449797U CN201449797U CN2009200390172U CN200920039017U CN201449797U CN 201449797 U CN201449797 U CN 201449797U CN 2009200390172 U CN2009200390172 U CN 2009200390172U CN 200920039017 U CN200920039017 U CN 200920039017U CN 201449797 U CN201449797 U CN 201449797U
- Authority
- CN
- China
- Prior art keywords
- cable
- steel wire
- wire rope
- winding
- thinly
- 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 - Fee Related
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Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/147—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising electric conductors or elements for information transfer
Abstract
The utility model relates to an improvement on a lifting cable, which is characterized in that a narrow metal belt thinly winds a cushion layer between a soft cable and a longitudinal armor of an exposed steel wire rope, and a stearine oil layer is arranged between the cushion layer and an armored steel wire rope. The lifting cable not only has large pull force, but also can meet the requirement that a cable insulation and/or protection sleeve cannot be scratched under the conditions of frequent movement, traction, bending and winding, and further can even the extrusion of the armored steel wire rope to the cable body and avoid the cable from damage caused by the extrusion under the condition that the cable steel wire rope is under high tension; and the armored steel wire rope and the thinly winding metal belt are separated by the stearine oil layer, therefore, during the frequent bending and winding process of the cable, the displacement friction between the armored steel wire rope and the thinly winding metal belt can be reduced, the bending performance of the cable can be improved, and the requirement of frequent movement, traction and lifting can be fully met.
Description
Technical field
Utility model is about the improvement to crane cable, and it is big to relate in particular to a kind of anti-stretching force, and can satisfy frequent moving and repeat to draw the crane cable of use.
Background technology
Can bear the crane cable of pulling force at present, mainly adopt sheathed structure, promptly in cable, set up steel wire rope or armoured steel cord structure.For example disclosed frequent the moving of Chinese patent CN2893868 drawn crane cable, and its structure is: cable core, oversheath, cable core central authorities are provided with strengthening core.The parallel sheath steel wire rope cable that is connected with of the open outer rim of Chinese patent CN2532560.The open center of Chinese patent CN2107049 has additional the cable of outpacking rubber overcoat steel wire rope inner core.The steel wire rope reinforcement is set up in the center or the outside, influences because of being subjected to cable bulk, and the steel wire rope cross section can not be big, and it is limited therefore to carry pulling force.
Chinese patent CN2387690 high strength heating power cable, insulating barrier outside positive and negative turn round to two-layer steel wire form.Applicant's first to file Chinese patent CN1941220 skyscraper again is the fan-shaped filling of cambered surface with three by carrying steel core outsourcing insulation cross section with three core high pressure crane cables between single core insulation cable, stranded stranding, and periphery is tightened by the binding of high strength band.Though this structure armouring makes the cable resistance to tension improve a lot.But frequent moving repeats to draw the crane cable of use, need reel repeatedly, stretch, and armouring design at present generally all is fixedly to lay to require design, reel repeatedly, stretch at cable and use, steel wire rope can produce relative slippage with cable, can cause damage, influence the fail safe of cable insulation; Secondly, cable twines on the lifting reel, and the appearance insulation contacts with reel, can cause the damage of insulation, for example friction damage.Therefore existing crane cable all can only use once, therefore can not be used for mobile occasion and repeatedly lift.
The disclosed steel wire composite cable of Chinese patent CN101127255 is provided with fiber material and twines packing protective layer between stranded steel wire rope of skin and internal layer cable.Though this structural cable is provided with the fiber material winding protective layer between steel wire rope and cable, its objective is to reducing the composite cable external diameter, do not consider protection to cable insulation, but owing in the frequent mobile BENDING PROCESS of cable, can produce displacement formation between steel wire and fiber material winding protective layer and rub and be worn; Be subjected under the hightension effect at the cable wire rope in addition, armored rope produces extruding force to cable body, adds more destructible cable insulation of bending displacement frictional force, can reduce cable useful life.Therefore in fact this structural cable can not be used for the frequent lifting use of moving equally.Still having is worth improved place.
The utility model content
The utility model purpose is to overcome the deficiency of above-mentioned prior art, provides a kind of anti-stretching force big, can not damage cable insulation and/or sheath, and can satisfy frequent moving and repeat to draw the crane cable of use.
The utility model purpose realizes, the main improvement is to dredge to be wound with the metal tape bed course outside flexible cable, the vertical armouring of steel wire rope is arranged outward, make cable not only have big anti-stretching force, and dredging under the metal tape bed course is isolated, can not wear and tear, the crush injury cable insulation, repeat traction and use thereby can satisfy frequent the coiling.Specifically, the utility model crane cable comprises flexible cable, and outer one or the vertical armouring of the naked steel wire rope of several layers, it is characterized in that between flexible cable and the vertical armouring of naked steel wire rope thinly around bed course by narrow metal tape, and stearic oil reservoir is arranged between bed course and armored rope.
Utility model is said
Flexible cable is meant the cable that has insulation, and it can be a single-core cable, also can be multicore cable. and according to cable working voltage class requirement, also comprising the screen that adapts to working voltage, for example conductor screen and insulation shielding. flexible cable can be band or sheath not.
Narrow metal tape is dredged around bed course, uses mainly as spacing cushion layer, and concrete effect has three, one, reuses protection insulation and/or sheath in the winding process at cable, prevents armoured steel wire rope friction damage insulation and/or sheath; The 2nd, be subjected under the hightension effect at the cable wire rope, can the homogenizing armored rope to the extruding of cable body, guarantee that cable does not damage because of being squeezed; The 3rd, help cable and keep good bendability, be fit to reel.Narrow metal tape is to use usually in the cable armouring, and for example width is 10-20mm.
The vertical armouring of naked steel wire rope mainly bears anti-stretching force, looks the pulling force requirement, can be one or several layers.For making cable that good bending coiling be arranged, each steel wire of stranded steel wire rope is excellent to be not more than the 0.6mm finer wire especially.
Stearic oil reservoir between bed course and armored rope helps improving steel wire rope and the sliding of dredging around the steel band bed course, improves the cable bending property, is more suitable for the coiling bending in the cable repeated use process.
The utility model crane cable, with respect to prior art, dredge around the metal tape separator owing between insulated cable and the vertical armouring of steel wire rope, be provided with, the gained crane cable not only has big pulling force, and can satisfy frequent moving and draw crooked coiling and can not abrade cable insulation and/or sheath, can also be subjected under the hightension effect at the cable wire rope, the homogenizing armored rope guarantees that to the extruding of cable body cable does not damage because of being squeezed; Steel wire rope armouring and dredge stearic oil reservoir around between the metal tape separator, make in the frequent crooked winding process of cable, can reduce armouring wire and thin displacement friction around between steel band, improve the cable bending property especially, can satisfy the frequent traction lifting requirements that moves fully.
Below in conjunction with an exemplary embodiment; utility model is further understood in exemplary illustration and help; but the embodiment detail only is for utility model is described; do not represent utility model design whole technical schemes down; therefore should not be construed as the total technical scheme of utility model is limited; some are In the view of the technical staff; not departing from the unsubstantiality of utility model design changes; for example change or replace, all truely use novel protected scope so that technical characterictic with same or similar technique effect is simple.
Description of drawings
Accompanying drawing is implemented structural representation for the utility model crane cable.
Embodiment
Embodiment: referring to accompanying drawing, the utility model crane cable, be twisted into cable conductor 1 by the multiply thin copper wire, have rubber insulation 2, three to thoroughly do away with edge core twisted cable core outward, after filling 3 roundings, wrapped binding tape 4 extrudes rubber sheath 5 outward, dredges around forming bed course 6 with the thick 0.15mm narrow steel strip of wide 15mm gap, two layers of many single diameter 0.2mm finer wire strand 7 armourings of external application, armored rope and dredge lubricated stearine oil is arranged around between steel band.
To those skilled in the art; under this patent design and specific embodiment enlightenment; some distortion that can directly derive or associate from this patent disclosure and general knowledge; those of ordinary skills will recognize also can adopt additive method; or the substituting of known technology commonly used in the prior art; and the mutual various combination between feature; for example crane cable can also be a single-core cable; and be mixed with its communication; pilot, the armored rope number of plies change, or the like unsubstantiality change; can be employed equally; can both realize and basic identical function of the foregoing description and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection range.
Claims (3)
1. crane cable comprises flexible cable, and outer one or the vertical armouring of the naked steel wire rope of several layers, it is characterized in that between flexible cable and the vertical armouring of naked steel wire rope thinly around bed course by metal tape, and stearic oil reservoir is arranged between bed course and armored rope.
2. according to the described crane cable of claim 1, it is characterized in that the metal tape width is 10-20mm.
3. according to claim 1 or 2 described crane cables, it is characterized in that steel wire rope list steel wire diameter is not more than the finer wire of 0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200390172U CN201449797U (en) | 2009-05-04 | 2009-05-04 | Lifting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200390172U CN201449797U (en) | 2009-05-04 | 2009-05-04 | Lifting cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449797U true CN201449797U (en) | 2010-05-05 |
Family
ID=42554519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200390172U Expired - Fee Related CN201449797U (en) | 2009-05-04 | 2009-05-04 | Lifting cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903702A (en) * | 2014-03-06 | 2014-07-02 | 安徽猎塔电缆集团有限公司 | Power cable |
| CN104283078A (en) * | 2013-07-02 | 2015-01-14 | 郑州华林清污起重设备有限公司 | High tensile cable electrical transmission device for hydraulic grab bucket |
-
2009
- 2009-05-04 CN CN2009200390172U patent/CN201449797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283078A (en) * | 2013-07-02 | 2015-01-14 | 郑州华林清污起重设备有限公司 | High tensile cable electrical transmission device for hydraulic grab bucket |
| CN103903702A (en) * | 2014-03-06 | 2014-07-02 | 安徽猎塔电缆集团有限公司 | Power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20170504 |