CN201477953U - Tensile flexible cable for operating button of travelling crane - Google Patents
Tensile flexible cable for operating button of travelling crane Download PDFInfo
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- CN201477953U CN201477953U CN2009201868482U CN200920186848U CN201477953U CN 201477953 U CN201477953 U CN 201477953U CN 2009201868482 U CN2009201868482 U CN 2009201868482U CN 200920186848 U CN200920186848 U CN 200920186848U CN 201477953 U CN201477953 U CN 201477953U
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Abstract
The utility model discloses a tensile flexible cable for an operating button of a travelling crane, which comprises a cable core, wherein a packing layer is arranged in the gap of the cable core for maintaining the roundness of a cable, a wrapping and banding layer is arranged for covering the cable core and the packing layer therein, the outermost layer of the cable is an outer sheath which is extruded and wrapped on the wrapping and banding layer, the cable core is formed by a steel cable positioned in the center of the cable core and insulated wire cores wound around at the periphery of the steel cable, and each insulated wire core is formed by a conductor and an insulating layer extruded and wrapped on the conductor. The cable has higher flexibility and stronger tensile strength, the conductor cannot be broken when the cable is bent for a plurality of times, and the insulating layer and the sheath are not chapped to have cracks.
Description
Technical field:
The utility model relates to a kind of moving operation button tension flexible cable, belongs to technical field of electric wires and cables.
Background technology:
In the special industries such as driving and crane, cable provides power and signal controlling operation for equipment, this type of cable performance requires high, structure is comparatively complicated, and its cross section generally can be circle or flat, at present, there is following defective in the employed power cable of this kind equipment: because cable in use not only will bear the gravity of self, but also to bear the pulling force that moves back and forth and produced from equipment, and therefore cause the core of cable to fracture easily, cause and scrap; Also have, cable in use needs frequently to move, and produces slippage between the core of cable and the sheath, and insulated wire cores is stretched out outside the sheath, and insulation is stretched, and when heavy current was passed through, cable was breakdown easily.And this present class cable is soft inadequately, and flexibility is little, and stretching resistance is little, and conductor ruptures easily, in use if cable breaks down and often causes the generation of production accident.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of moving operation button tension flexible cable, has higher pliability, and stronger tensile property bends repeatedly that conductor does not rupture, insulation and sheath chap line not.
The utility model technical solution problem adopts following technical scheme:
A kind of moving operation button tension flexible cable, comprise cable conductor, be provided with packed layer in the cable core gap to keep the roundness of cable, belting layer is set to be coated on described cable core and packed layer wherein, the outermost layer of cable is the oversheath that extrudes on described belting layer, described cable core constitutes by the hawser that is in cable core central authorities with around the insulated wire cores that is arranged at described hawser periphery, and each insulated wire cores is made of conductor and the insulating barrier that extrudes on conductor.
Described conductor adopts the stranded conductor wire core of the special soft tin-coated copper of the 6th class.
Described oversheath adopts thermal resistance combustion oil resistant butadiene-acrylonitrile rubber to make.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
Cable conductor is compact pliable and tough, easy fracture not, and promptly this cable has higher pliability, is flexible about 15 times of general cable; Insulating barrier and oversheath have excellent weather resisteant, heat-resistant aging, anti-flammability, oil resistant, tensile strength height and good toughness, resilience and excellent compression set and good electrical insulation properties, simultaneously insulating barrier, oversheath chap line not also; Added a softer fine and soft stone dead wire rope (single diameter is not more than 1.0mm) when stranding, made its characteristic with tension, its tensile strength can reach 800Mpa, thus guarantee oversheath and conductor do not rupture, indeformable, and operation safely.The utility model cable softness, tension, fire-retardant, the control cable that has solved running control system is soft inadequately, and flexibility is little, and stretching resistance is little, conductor is the problem of fracture easily, makes its action button that can be widely used in various bridge-types, beam type, floor rail type to control line between the running control system.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Number in the figure: 1 conductor, 2 insulating barriers, 3 hawsers, 4 packed layers, 5 belting layers, 6 oversheaths.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment, non-limiting examples is as described below:
Embodiment: shown in Figure 1, conductor 1 adopts the stranded conductor wire core of the special soft tin-coated copper of the 6th class, conductor production through wire drawing-annealing zinc-plated-synnema-(multiple strand) four-stage, the form that conductor adopts bundle to twist, the cross section is at 4mm
2Following conductor adopts the synnema form, and the cross section is at 4mm
2And above conductor, because the cross section is big, conductor monofilament radical is too many, also will carry out multiple strand, wherein 4mm behind synnema
2With monofilament maximum gauge in the lower conductor is 0.16mm, simultaneously 2.5mm
2Below adopt fine pith synnema, 2.5mm
2And the above thick opposite direction of first fine pith synnema is stranded; Insulating barrier 2 adopts nitrile rubber, adopts plsitive mold to extrude, and temperature is controlled between 135 ± 10 ℃; Tension hawser 3 adopts thin (single diameter is not more than a 1.0mm) soft tension hawser, and packed layer 4 adopts the rope made of hemp to fill, and keeps the rounding property of cable shape; Belting layer 5 is that nonwoven fabrics is wrapped, and employing is put up wrapped, and the rate of putting up is 20%; Oversheath 6 with cable itself behind the stranding forms integrative-structure.The oversheath 6 that the Flame-Retardant and Oil-Resistant nitrile rubber is made equally also adopts plsitive mold to extrude, and temperature is controlled between 140～170 ℃, can adjust mould according to the actual conditions of equipment and material.
Claims (3)
1. moving operation button tension flexible cable, comprise cable conductor, be provided with packed layer (4) in the cable core gap to keep the roundness of cable, belting layer (5) is set to be coated on described cable core and packed layer wherein, the outermost layer of cable is the oversheath (6) that extrudes on described belting layer, it is characterized in that, described cable core constitutes by the hawser that is in cable core central authorities (3) with around the insulated wire cores that is arranged at described hawser periphery, and each insulated wire cores is by conductor (1) and extrude insulating barrier (2) formation on conductor.
2. a kind of moving operation button tension flexible cable according to claim 1 is characterized in that, described conductor (1) adopts the stranded conductor wire core of the special soft tin-coated copper of the 6th class.
3. a kind of moving operation button tension flexible cable according to claim 1 is characterized in that, described oversheath (6) adopts thermal resistance combustion oil resistant butadiene-acrylonitrile rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201868482U CN201477953U (en) | 2009-08-07 | 2009-08-07 | Tensile flexible cable for operating button of travelling crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201868482U CN201477953U (en) | 2009-08-07 | 2009-08-07 | Tensile flexible cable for operating button of travelling crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201477953U true CN201477953U (en) | 2010-05-19 |
Family
ID=42414211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201868482U Expired - Fee Related CN201477953U (en) | 2009-08-07 | 2009-08-07 | Tensile flexible cable for operating button of travelling crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201477953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102082004A (en) * | 2010-12-30 | 2011-06-01 | 河南华泰特种电缆有限公司 | Cleaning-type oil-resistant cable |
-
2009
- 2009-08-07 CN CN2009201868482U patent/CN201477953U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102082004A (en) * | 2010-12-30 | 2011-06-01 | 河南华泰特种电缆有限公司 | Cleaning-type oil-resistant 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 |
Granted publication date: 20100519 Termination date: 20140807 |
|
| EXPY | Termination of patent right or utility model |