CN214476567U - Single-core tensile flexible cable - Google Patents
Single-core tensile flexible cable Download PDFInfo
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- CN214476567U CN214476567U CN202023062068.2U CN202023062068U CN214476567U CN 214476567 U CN214476567 U CN 214476567U CN 202023062068 U CN202023062068 U CN 202023062068U CN 214476567 U CN214476567 U CN 214476567U
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Abstract
The utility model discloses a single core tensile type flexible cable, including strengthening core and cladding in the outside oversheath of enhancement core, strengthen the core including insulating and be located insulating inside steel wire reinforcement cable core and additional wire rope tensile component, the steel wire is strengthened the insulation connection through the crowded package between cable core and the additional wire rope tensile component, the cable core is strengthened to the steel wire includes to weave the sinle silk that the core transposition formed by a plurality of roots and winds the package in the outside semiconduction nylon of sinle silk around the band, the core is all strengthened the core including wire rope to every the weaving core, the cladding is strengthened the outside coating of core and is woven in a plurality of layers of coating outside and weave the type conductor, set up the water conservancy diversion line between the type conductor at least two-layer weaving. The utility model discloses a single core tensile type flexible cable is applicable to the frequent use occasion that removes and need tensile type single core cable, effectively prolongs single core cable life, improves tensile, resistant bending nature, reliability and the stability of cable, avoids the user frequently to change the cable.
Description
Technical Field
The utility model belongs to the technical field of single core cable, concretely relates to single core tensile type flexible cable.
Background
At present, on large-scale traveling cranes, hoisting equipment, transmission equipment, gantry cranes, flaw detection instruments, particularly telescopic equipment such as stacking machines, tower cranes and the like, the requirements on the flexibility and tensile property of cables are extremely high. For the multi-core cable, the design mode is more, and a tensile element, such as a steel wire rope, can be placed in the center or the side gap of the cable, so that the tensile property of the cable is improved; and a fiber yarn braided reinforcing layer can be arranged between the inner sheath and the outer sheath to increase the tensile strength. However, for a single-core cable, the only way to add a tensile element at present is to place a steel wire rope or a fiber yarn at the center of a stranded copper conductor to increase the tensile strength, the form is single, and the tensile effect is not ideal, and often because of frequent movement, contraction, winding and the like of the cable, the service life of the cable is extremely short, the core may be broken in less than one month, great loss is brought to users, the maintenance cost and the replacement cost are high, and delayed supply of goods and the like are caused, which adversely affects. For this reason, to above these special occasions, the utility model discloses special development single core tensile type flexible cable guarantees that the user can be safe, stable production operation.
SUMMERY OF THE UTILITY MODEL
For solving the problem in the prior art, an object of the utility model is to provide a single core tensile type flexible cable.
In order to realize the above purpose, reach above-mentioned technological effect, the utility model discloses a technical scheme be:
the utility model provides a single core tensile type flexible cable, including strengthening the core and the overcoat in strengthening the outside oversheath of core, strengthen the core including insulating and be located insulating inside steel wire reinforcement cable core and additional wire rope tensile component, the insulation through crowded package between steel wire reinforcement cable core and the additional wire rope tensile component is connected, the steel wire reinforcement cable core includes to weave the sinle silk that the core transposition formed and winds the package around the semiconduction nylon that is in the sinle silk outside by a plurality of roots and winds the band, every is woven the core and all includes wire rope and strengthens the core, the cladding is strengthened the outside coating of core and is woven the type conductor in a plurality of layers of coating outside in wire rope, set up the water conservancy diversion line between the type conductor of weaving at least two-layer.
Furthermore, the reinforcing core is 8-shaped, and the steel wire reinforcing cable core and the additional steel wire rope tensile element are respectively positioned at the large head end and the small head end of the 8-shaped reinforcing core.
Furthermore, the steel wire rope reinforced core is an aviation steel wire rope with the diameter of 3.0 +/-0.05 mm, and the outer diameter of the steel wire rope reinforced core after being extruded with a coating layer is 11.0 +/-0.3 mm.
Further, the coating layer is an ethylene propylene rubber coating layer, the nominal thickness of the coating layer is 4.0mm, and the thickness of the thinnest point is 3.60 mm.
Furthermore, two layers of woven conductors are sequentially woven outside the coating layer from inside to outside, namely a first woven conductor and a second woven conductor, and a guide line is arranged between the first woven conductor and the second woven conductor.
Furthermore, the diversion line is formed by twisting 7 copper wires with the diameter of 0.15 +/-0.003 mm, and the twisting pitch is controlled to be 14-16 times of the twisting outer diameter.
Further, the lapping overlapping rate of the semi-conductive nylon lapping tape is controlled to be 15% -20%.
Furthermore, the nominal thickness of the insulation outside the steel wire reinforced cable core is 3.0 +/-0.05 mm, and the thickness of the thinnest point is 2.70 mm; the nominal thickness of the insulation outside the additional steel wire rope tensile element is 2.0mm, and the thinnest point is 1.80 mm; the thickness of the insulation between the steel wire reinforced cable core and the additional steel wire rope tensile element is 4.0 +/-0.2 mm, and the width of the insulation is 2.0 +/-0.1 mm.
Furthermore, the additional steel wire rope tensile element adopts an aviation steel wire rope with the diameter of 3.0 +/-0.05 mm.
Furthermore, all gaps outside the insulation are filled with the outer sheath, the outer sheath is tightly adhered to the insulation, and the minimum extrusion thickness of the outer sheath outside the reinforcing core is 2.0 +/-0.1 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a single core tensile type flexible cable, including strengthening core and cladding in the outside oversheath of enhancement core, strengthen the core including insulating and be located insulating inside steel wire reinforcement cable core and additional wire rope tensile component, the steel wire is strengthened the insulation connection through the crowded package between cable core and the additional wire rope tensile component, the cable core is strengthened to the steel wire includes to weave the sinle silk that the core transposition formed by a plurality of roots and winds the package in the outside semiconduction nylon of sinle silk around the band, the core is all strengthened the core including wire rope to every the weaving core, the cladding is strengthened the outside coating of core and is woven in a plurality of layers of coating outside and weave the type conductor, set up the water conservancy diversion line between the type conductor at least two-layer weaving. The utility model discloses a single core tensile type flexible cable, ingenious wire rope that utilizes strengthens core, coating, a plurality of layers weave type conductor, semi-conductive nylon and make the cable of 8 style of calligraphy structures around band, insulation, oversheath, additional wire rope tensile component, are applicable to the frequent use occasion that removes and need tensile type single core cable, effectively prolong single core cable life, improve tensile resistance, the bending resistance, the reliability and the stability of cable, avoid the user frequently to change the cable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
wherein, 1-steel wire rope reinforced core; 2-a first braided conductor; 3-a second braided conductor; 4-a diversion line; 5-additional wire rope tensile elements; 6-semi-conductive nylon lapping tape; 7-insulation; 8-outer sheath.
Detailed Description
The embodiments of the present invention are described in detail below to make the advantages and features of the present invention easier to understand by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention.
As shown in fig. 1, a single core tensile type flexible cable, including strengthening core and the oversheath 8 of cladding in strengthening the core outside, strengthen the core including insulating 7 and be located insulating 7 inside steel wire reinforcement cable core and additional wire rope tensile component 5, strengthen the cable core and connect through crowded insulating 7 of package between the additional wire rope tensile component 5 with the steel wire, the cable core is strengthened to the steel wire includes the sinle silk that forms by a plurality of braided core transposition and winds the package in sinle silk outside semiconduction nylon around band 6, every braided core all includes wire rope and strengthens core 1, the cladding is strengthened the core 1 outside coating and is woven in a plurality of layers of braided type conductor in the coating outside in wire rope, set up water conservancy diversion line 4 between the type conductor of weaving at least two-layer.
The steel wire rope reinforced core 1 is an aviation steel wire rope with the diameter of 3.0 +/-0.05 mm, the outer diameter of the steel wire rope reinforced core 1 after being extruded with a coating layer is 11.0 +/-0.3 mm, the coating layer is an ethylene-propylene rubber coating layer, the nominal thickness of the coating layer is 4.0mm, and the thickness of the thinnest point is 3.60 mm.
The diversion line 4 is formed by twisting 7 copper wires with the diameter of 0.15 +/-0.003 mm in a bundle mode, and the twisting pitch is controlled to be 14-16 times of the twisting outer diameter.
The lapping overlapping rate of the semi-conductive nylon lapping tape 6 is controlled to be 15% -20%.
The nominal thickness of the insulation 7 outside the steel wire reinforced cable core is 3.0mm and the thinnest point thickness is 2.70 mm.
The insulation 7 outside the additional steel cord tensile element 5 has a nominal thickness of 2.0mm and a point of thinnest thickness of 1.80 mm.
The insulation 7 between the steel wire reinforced cable core and the additional steel wire rope tensile element 5 has a thickness of 4.0 +/-0.2 mm and a width of 2.0 +/-0.1 mm.
The additional steel wire rope tensile element 5 adopts an aviation steel wire rope with the diameter of 3.0 +/-0.05 mm.
The outer sheath 8 fills all gaps outside the insulation 7, the outer sheath 8 is tightly adhered to the insulation 7, and the minimum extrusion thickness of the outer sheath 8 outside the reinforcing core is 2.0 +/-0.1 mm.
Example 1
As shown in fig. 1, taking cable specification 1 × 35 as an example, a single-core tensile flexible cable comprises a reinforced core and an outer sheath 8 covering the reinforced core, wherein the reinforced core is 8-shaped, the reinforced core comprises an insulation 7, a steel wire reinforced cable core and an additional steel wire tensile element 5, the steel wire reinforced cable core and the additional steel wire tensile element 5 are respectively located at a big end (left side) and a small end (right side) of the 8-shaped reinforced core, the thicknesses of the insulation 7 outside the steel wire reinforced cable core and the additional steel wire tensile element 5 are respectively set according to actual requirements, the steel wire reinforced cable core and the additional steel wire tensile element 5 are connected through the extruded insulation 7, the steel wire reinforced cable core comprises a cable core formed by three braided cores and a semi-conductive nylon wrapping tape 6 wrapping the cable core, the wrapping overlapping rate of the semi-conductive nylon wrapping tape 6 is controlled between 15% and 20%, every is woven the core and is all included wire rope reinforcement core 1, weave in the first type conductor 2 of weaving outside wire rope reinforcement core 1 and weave in the second type conductor 3 of weaving outside first type conductor 2, is provided with water conservancy diversion line 4 between first type conductor 2 of weaving and the second type conductor 3 of weaving, for protecting wire rope reinforcement core 1, first crowded package is a soft ethylene-propylene rubber coating that nominal thickness is 4.0mm in the outside of wire rope reinforcement core 1 and then weaves first type conductor 2 of weaving and second type conductor 3 in proper order.
The steel wire rope reinforced core 1 is an aviation steel wire rope with the diameter of 3.0 +/-0.05 mm, the outer diameter of the steel wire rope reinforced core 1 is 11.0mm after an ethylene-propylene rubber coating layer is directly extruded outside the steel wire rope reinforced core, the tensile strength is not lower than 5.0MPa, the elongation at break is not lower than 200%, and the effects of isolation, protection and outer diameter increase are achieved.
The first braided conductor 2 and the second braided conductor 3 are sequentially arranged outside the ethylene-propylene rubber coating layer from inside to outside, the first braided conductor 2 and the second braided conductor 3 are copper wire braided layers respectively, the processing modes of the first braided conductor 2 and the second braided conductor 3 are not conventional stranding, but are braiding modes, the three steel wire rope reinforced cores 1 are braided outside respectively, the obtained braided cores are stranded to form a wire core unit, the three braided cores are mutually and closely contacted to form a whole body, namely the conductor of the cable, and the sectional area of the mutually contacted conductor can reach 35mm2According to different cable sections, the sectional area of the conductor can be increased by increasing the number of the weaving layers. At 35mm2For example, two layers of the first braided conductor 2 and the second braided conductor 3 need to be braided, the braided structure is designed to prevent the conductor from breaking the core completely, so that the conductor cannot transmit current and fails, and the braided structure is adopted, so that the cable is very flexible as a whole and has extremely high tensile property.
The first and second braided conductors 2 and 3 are prepared by the steps of:
firstly, doubling 5 copper wires with the diameter of 0.25 +/-0.003 mm, weaving on a 24-spindle weaving machine after doubling, controlling the weaving pitch to be 37-41 mm to obtain a first weaving type conductor 2, dragging a guide wire 4 simultaneously when weaving a second layer (a second weaving type conductor 3) by adopting the same weaving method, namely the guide wire 4 is arranged between the first weaving type conductor 2 and the second weaving type conductor 3, twisting 7 copper wire bundles with the diameter of 0.15 +/-0.003 mm to form the guide wire 4, and controlling the twisting pitch to be 14-16 times of the twisting outer diameter. Placing a water conservancy diversion line 4 between the type conductor 2 is woven to first weaving type conductor and the second weaving type conductor 3 of two-layer weaving and preventing that the weaving layer is unexpected, if the condition of disconnected silk appears, the effect of water conservancy diversion line 4 is to guarantee that the cable can continue transmission current, guarantees the safety and the stability of cable work.
The additional steel wire rope tensile component 5 is an aviation steel wire rope with the diameter of 3.0 +/-0.05 mm and plays a role in tensile again.
The insulation 7 is formed by extruding the stranded and wrapped steel wire reinforced cable core and the additional steel wire rope tensile element 5 together, the nominal thickness of the insulation 7 outside the steel wire reinforced cable core is 3.0mm, the nominal thickness of the insulation 7 outside the additional steel wire rope tensile element 5 is 2.0mm, the nominal thickness of the insulation 7 at the joint between the steel wire reinforced cable core and the additional steel wire rope tensile element 5 is 4.0mm, and the width of the insulation 7 is 2.0 mm.
The insulation 7 is made of hard ethylene propylene rubber, the tensile strength is not lower than 8.5MPa, the elongation at break is not lower than 300%, the insulation effect is achieved, the effects of connecting and protecting the whole cable are achieved, and the electric performance and the mechanical performance are excellent.
The outer sheath 8 is produced by adopting a chloroprene rubber extrusion mode, the tensile strength of the outer sheath is 15MPa, the elongation at break is not lower than 400%, the outer sheath has excellent mechanical performance, ozone resistance, cold resistance and flame retardance, all gaps outside the insulation 7 are filled with the outer sheath 8 and are closely adhered with the insulation 7, the outer sheath has a good protection effect, the minimum extrusion thickness outside the reinforced core (the external connection position of the insulation 7 outside the steel wire reinforced cable core and the additional steel wire tensile element 5) is 2.0mm, and the color of the outer sheath 8 can be black or gray.
The utility model discloses the part of not specifically describing adopt prior art can, do not describe here any more.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a single core tensile type flexible cable, a serial communication port, including strengthening the core and the oversheath of cladding in strengthening the core outside, strengthen the core including insulating and be located insulating inside steel wire reinforcement cable core and additional wire rope tensile component, the steel wire is strengthened the insulation connection through the crowded package between cable core and the additional wire rope tensile component, the cable core is strengthened to the steel wire includes to weave the sinle silk that the core transposition formed and around the semiconduction nylon that wraps in the sinle silk outside by a plurality of roots around the band, every is woven the core and all includes wire rope and strengthens the core, the cladding is strengthened the outside coating of core and is woven in a plurality of layers of coating outside and weave the type conductor, set up the water conservancy diversion line at least between the two-layer weaving type conductor.
2. The single-core tensile flexible cable according to claim 1, wherein the reinforcing core is 8-shaped, and the steel wire reinforcing cable core and the additional steel wire rope tensile element are respectively positioned at a large end and a small end of the 8-shaped reinforcing core.
3. The single-core tensile flexible cable according to claim 1, wherein the steel wire rope reinforced core is an aviation steel wire rope with the diameter of 3.0 +/-0.05 mm, and the outer diameter of the steel wire rope reinforced core after being extruded with a coating layer is 11.0 +/-0.3 mm.
4. A single core tensile-type flexible cable as claimed in claim 1, wherein said coating is an ethylene propylene rubber coating, said coating having a nominal thickness of 4.0mm and a thinnest point thickness of 3.60 mm.
5. The single-core tensile flexible cable according to claim 1, wherein two layers of braided conductors, namely a first braided conductor and a second braided conductor, are braided outside the coating layer from inside to outside in sequence, and a guide line is arranged between the first braided conductor and the second braided conductor.
6. The single-core tensile flexible cable according to claim 1 or 5, wherein the diversion wire is formed by twisting 7 copper wires with the diameter of 0.15 +/-0.003 mm, and the twisting pitch is controlled to be 14-16 times of the twisting outer diameter.
7. The single-core tensile flexible cable according to claim 1, wherein the lapping overlapping rate of the semi-conductive nylon lapping tape is controlled to be 15-20%.
8. A single core tensile type flexible cable according to claim 1, wherein the nominal thickness of the insulation outside the steel wire reinforced cable core is 3.0mm, and the thinnest point thickness is 2.70 mm; the nominal thickness of the insulation outside the additional steel wire rope tensile element is 2.0mm, and the thinnest point is 1.80 mm; the thickness of the insulation between the steel wire reinforced cable core and the additional steel wire rope tensile element is 4.0 +/-0.2 mm, and the width of the insulation is 2.0 +/-0.1 mm.
9. A single core tensile type flexible cable according to claim 1, 2 or 8, wherein said additional steel wire rope tensile member is an aircraft steel wire rope having a diameter of 3.0 ± 0.05 mm.
10. The single-core tensile flexible cable according to claim 1, wherein the outer sheath fills all gaps outside the insulation, the outer sheath is tightly adhered to the insulation, and the minimum extrusion thickness of the outer sheath outside the reinforcing core is 2.0 ± 0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023062068.2U CN214476567U (en) | 2020-12-18 | 2020-12-18 | Single-core tensile flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023062068.2U CN214476567U (en) | 2020-12-18 | 2020-12-18 | Single-core tensile flexible cable |
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| Publication Number | Publication Date |
|---|---|
| CN214476567U true CN214476567U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023062068.2U Active CN214476567U (en) | 2020-12-18 | 2020-12-18 | Single-core tensile flexible cable |
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| Country | Link |
|---|---|
| CN (1) | CN214476567U (en) |
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- 2020-12-18 CN CN202023062068.2U patent/CN214476567U/en active Active
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