CN209785576U - Light-duty high strength antidetonation cable - Google Patents
Light-duty high strength antidetonation cable Download PDFInfo
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- CN209785576U CN209785576U CN201920818709.0U CN201920818709U CN209785576U CN 209785576 U CN209785576 U CN 209785576U CN 201920818709 U CN201920818709 U CN 201920818709U CN 209785576 U CN209785576 U CN 209785576U
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Abstract
The utility model belongs to the technical field of cables, in particular to a light high-strength anti-seismic cable which is provided with a cable core, a belting layer, an inner protective layer, a reinforcing unit and an outer protective layer; the cable is characterized in that the cable core is composed of a plurality of electric units, and each electric unit is composed of a conductor, an electric unit protective layer and an inner damping layer; the inner shock absorption layer consists of a thin metal ring and an elastic metal sheet, a plurality of pairs of clamping strips are formed by inward extending of the inner wall of the thin metal ring, the clamping strips are hook-shaped, the direction of hooks in each pair of clamping strips is opposite, a clamping groove is formed in the middle of each pair of clamping strips, the elastic metal sheet is approximately n-shaped, one part of the elastic metal sheet is positioned in the clamping groove, and a filling unit is arranged between each pair of adjacent clamping strips; a gap between the electric unit and the inner damping layer is filled with water-blocking paste; the reinforcing unit is composed of high-strength nonmetal yarns and a foaming shock absorption layer extruded outside the high-strength nonmetal yarns. The utility model discloses following main beneficial effect has: stable structure, light weight of the cable, good damping performance, convenient processing and the like.
Description
Technical Field
The utility model belongs to the technical field of the cable, especially, relate to a light-duty high strength antidetonation cable.
Background
With the continuous promotion of the pace of power grid construction in China, in plateau areas, the number of days of strong wind is large, the wind power is large, large-span cables are commonly adopted, and the requirements on the shock resistance of the cables are high.
As in the prior art, such as patent numbers: CN201821286575.4, the patent name is an anti extrusion cable, including the band layer, the inside of band layer is equipped with the cable core, the cable core includes many wires, every wire includes the conductor, the parcel is at the outer insulating layer of conductor, the parcel is at the outside buffer layer of insulating layer and parcel at the outside anticorrosive coating of buffer layer, even there is the protective sheath outside the anticorrosive coating through the spring, the steel band has been hooped to the outside of band layer, the outside parcel of steel band has the outer insulating layer, the outside of outer insulating layer is shelved and is being wrapped up the carrier of outer insulating layer, the outside parcel of carrier has the bird pecking sheath.
The technology has the following defects: the structure is relatively complex, the connecting processing difficulty of the spring heel protective sleeve and the anti-corrosion layer is high, and the service life of the connecting point is short; 2. the whole cable structure is free of tensile original parts, so that the tensile strength of the cable is relatively low.
As with the prior art, such as patents: CN201821049702.9, the patent name is a high strength coal field exploration cable for oil exploration robot, including the inner core, the inner core outer wall is evenly installed and is supported the skeleton, and is two sets of adjacent install outer core between the support skeleton, it is connected with forward steel wire layer to support the skeleton and keep away from inner core one end, forward steel wire layer outer wall parcel has reverse steel wire layer, reverse steel wire layer outer wall parcel has the buffer layer, the shock attenuation air cushion is evenly installed to the buffer layer inner chamber, buffer layer outer wall parcel has the water blocking layer, water blocking layer outer wall parcel has anti-corrosion coating.
The technology has the following defects: 1. when the shock absorption air cushion deflects, the shock absorption column cannot play the maximum shock absorption effect; 2. the cable contains forward and reverse double-layer steel wires, so that the weight of the cable is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses a light-weight, high-strength and shock-resistant cable, which is realized by the following technical solution.
A light-weight high-strength anti-seismic cable comprises a cable core, a wrapping tape layer wrapping the cable core, an inner protection layer positioned outside the wrapping tape layer, a reinforcing unit positioned outside the inner protection layer, and an outer protection layer wrapping the reinforcing unit; the cable core is characterized by comprising a plurality of electric units which are distributed in a form of being twisted in a tangent mode in pairs or placed in a parallel mode, wherein each electric unit comprises an electric conductor, an electric unit protective layer positioned outside the electric conductor and an inner damping layer positioned outside the electric unit protective layer; the inner shock absorption layer is composed of a thin metal ring and an elastic metal sheet, a plurality of pairs of clamping strips are formed by inward extension of the inner wall of the thin metal ring, the clamping strips are hook-shaped, the directions of hooks in each pair of clamping strips are opposite, a clamping groove is formed in the middle of each pair of clamping strips, and the elastic metal sheet isThe two sides of the lower part of the elastic metal sheet are embedded into the clamping grooves, one part of the middle part of the elastic metal sheet is also positioned in the clamping grooves, the top of the elastic metal sheet is contacted with the electric unit protective layer of the corresponding electric unit, and a filling unit is arranged between each pair of adjacent clamping strips; a gap between the electric unit and the inner damping layer is filled with water-blocking paste; the reinforcing unit is formed by high-strength nonmetal yarns and a foaming damping layer extruded outside the high-strength nonmetal yarns.
A light high-strength anti-seismic optical cable comprises a cable core, a belting layer covering the cable core, an inner protection layer positioned outside the belting layer, a reinforcing unit positioned outside the inner protection layer, and an outer protection layer covering the reinforcing unit; the optical fiber cable is characterized in that the cable core is composed of a plurality of optical units which are distributed in a form of two adjacent tangent twists or are placed in a parallel mode, and each optical unit is composed of a plurality of optical fibers, a loose tube for coating the optical fibers and an inner shock absorption layer positioned outside the loose tube; the inner shock absorption layer consists of a thin metal ring and an elastic metal sheet, a plurality of pairs of clamping strips are formed by inward extension of the inner wall of the thin metal ring, the clamping strips are hook-shaped,The direction of the hook in each pair of clamping strips is opposite, a clamping groove is formed in the middle of each pair of clamping strips, and the elastic metal sheet isThe two sides of the lower part of the elastic metal sheet are embedded into the clamping grooves, one part of the middle part of the elastic metal sheet is also positioned in the clamping grooves, the top of the elastic metal sheet is contacted with the loose tube of the corresponding light unit, and a filling unit is arranged between each pair of adjacent clamping strips; a gap between the light unit and the inner damping layer is filled with water-blocking paste; the reinforcing unit is formed by high-strength nonmetal yarns and a foaming damping layer extruded outside the high-strength nonmetal yarns.
The light high-strength anti-seismic cable is characterized in that the elastic metal sheet material of the shock absorption layer is a high-elasticity stainless steel sheet.
The light high-strength anti-seismic cable is characterized in that the inner shock absorption layer is symmetrically provided with three pairs of clamping strips and three elastic metal sheets.
The light high-strength anti-seismic cable is characterized in that the outer protective layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or PVC or flame-retardant polyolefin or nylon.
The light high-strength anti-seismic cable is characterized in that the inner sheath material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or PVC or flame-retardant polyolefin or nylon.
The light high-strength anti-seismic cable is characterized in that the high-strength nonmetal yarn material is aramid yarn or glass fiber yarn or carbon fiber yarn.
The light high-strength anti-seismic cable is characterized in that the wrapping tape material is one of a water-blocking tape, a glass fiber tape or a non-woven fabric tape.
The light high-strength anti-seismic cable is characterized in that the filling unit material is silica gel or foam plastic or elastic sponge.
The light high-strength anti-seismic cable is characterized in that the foaming shock-absorbing layer is made of foaming polyurethane or foaming ethylene/vinyl acetate.
The utility model discloses have beneficial technological effect such as stable in structure, cable light in weight, damping performance are good, processing is convenient.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic view of the structure of the inner shock-absorbing layer and the electric unit in embodiment 1 of the present invention.
Fig. 4 is a schematic view of the structure of the inner shock-absorbing layer and the electric unit in embodiment 2 of the present invention.
Fig. 5 is a schematic view of the structure of the reinforced unit of the present invention.
Figure 6 is the utility model discloses cable core structure schematic diagram.
In the figure: 1. the cable comprises an outer protection layer, 2 reinforcing units, 21 high-strength nonmetal yarns, 22 foaming damping layers, 3 inner protection layers, 4 belting layers, 5 cable cores, 51 inner damping layers, 511 thin metal rings, 512 clamping strips, 513 elastic metal sheets, 52 electric units, 521 electric unit protection layers, 522 electric conductors, 6 filling units and 7 water-blocking paste.
Detailed Description
Example 1
Referring to fig. 1, 3, 5 and 6, a light-weight, high-strength and anti-seismic cable includes a cable core 5, a tape layer 4 covering the cable core, an inner sheath layer 3 located outside the tape layer, a reinforcement unit 2 located outside the inner sheath layer, and an outer sheath layer 1 covering the reinforcement unit; the cable core is characterized in that the cable core is composed of three electric units 52 which are distributed in a pairwise tangential twisted manner or are placed in a parallel manner, and each electric unit is composed of a conductor 522, an electric unit protective layer 521 positioned outside the conductor and an inner shock absorption layer 51 positioned outside the electric unit protective layer; the inner shock absorption layer 51 is composed of a thin metal ring 511 and an elastic metal sheet 513, a plurality of pairs of clamping strips 512 are formed by inward extension of the inner wall of the thin metal ring 511, the clamping strips 512 are hook-shaped, and the direction of the hook in each pair of clamping strips 512 isAre opposite, a clamping groove is formed in the middle of each pair of clamping strips 512, and the elastic metal sheets 513 areThe two sides of the lower part of the elastic metal sheet 513 are embedded into the clamping grooves, a part of the middle part of the elastic metal sheet 513 is also positioned in the clamping grooves, the top of the elastic metal sheet 513 is contacted with the corresponding electric unit protective layer 521 of the electric unit 52, and a filling unit 6 is arranged between each pair of adjacent clamping strips 512; the gap between the electric unit 52 and the inner damping layer 51 is filled with water-blocking paste 7; the reinforcing unit 2 is composed of a high-strength nonmetallic yarn 21 and a foaming damper layer 22 extruded outside the high-strength nonmetallic yarn.
The light high-strength anti-seismic cable is characterized in that the elastic metal sheet material of the shock absorption layer is a high-elasticity stainless steel sheet.
The light high-strength anti-seismic cable is characterized in that the inner shock absorption layer is symmetrically provided with three pairs of clamping strips and three elastic metal sheets.
The light high-strength anti-seismic cable is characterized in that the outer protective layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or PVC or flame-retardant polyolefin or nylon.
The light high-strength anti-seismic cable is characterized in that the inner sheath material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or PVC or flame-retardant polyolefin or nylon.
The light high-strength anti-seismic cable is characterized in that the high-strength non-metal yarn material is aramid yarn or glass fiber yarn or carbon fiber yarn, and the tensile property of the cable is enhanced.
The light high-strength anti-seismic cable is characterized in that the wrapping tape material is one of a water-blocking tape, a glass fiber tape or a non-woven fabric tape.
the light high-strength anti-seismic cable is characterized in that the filling unit material is silica gel or foam plastic or elastic sponge.
The light high-strength anti-seismic cable is characterized in that the foaming shock-absorbing layer is made of foaming polyurethane or foaming ethylene/vinyl acetate, and provides a first layer of anti-seismic protection for the cable.
Of course, the light-weight high-strength anti-seismic cable is characterized in that the number of the clamping strips in the inner damping layer can be other pairs, correspondingly, the number of the elastic metal sheets can also be other pairs, and the number of the clamping strips is consistent with the number of pairs of the clamping strips.
The light high-strength anti-seismic cable is characterized in that part of the electric units and the inner shock absorption layer can be replaced by filling ropes.
Example 2
Referring to fig. 2, 4, 5 and 6, a lightweight, high-strength and earthquake-resistant cable of the present embodiment has substantially the same structure as that of embodiment 1, except that: the cable core is of a central structure, and the inner damping layer is symmetrically provided with 4 pairs of clamping strips 512 and 4 elastic metal sheets 513, so that the anti-seismic performance of the cable is enhanced.
The working principle of the inner damping layer is as follows: when the cable shakes, the cable core is just shifted to a certain direction, the elastic sheet at the corresponding position is shifted to the outer side, and a reverse force is applied to the cable core, so that the shaking amplitude of the cable core is reduced, and the damping effect is achieved. Simultaneously, in this application, owing to strengthen the effect of non-metallic yarn of high strength and foaming buffer layer in the unit, make the cable reach outside absorbing effect. Therefore, the application achieves a more ideal shock absorption effect.
In this application, the straight portion of the clip strip is formed integrally with the inner damping layer or welded to the inner wall of the inner damping layer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A light-weight high-strength anti-seismic cable comprises a cable core, a wrapping tape layer wrapping the cable core, an inner protection layer positioned outside the wrapping tape layer, a reinforcing unit positioned outside the inner protection layer, and an outer protection layer wrapping the reinforcing unit; the cable core is characterized by comprising a plurality of electric units which are distributed in a form of being twisted in a tangent mode in pairs or placed in a parallel mode, wherein each electric unit comprises an electric conductor, an electric unit protective layer positioned outside the electric conductor and an inner damping layer positioned outside the electric unit protective layer; the inner shock absorption layer is composed of a thin metal ring and an elastic metal sheet, a plurality of pairs of clamping strips are formed by inward extension of the inner wall of the thin metal ring, the clamping strips are hook-shaped, the directions of hooks in each pair of clamping strips are opposite, a clamping groove is formed in the middle of each pair of clamping strips, and the elastic metal sheet isThe two sides of the lower part of the elastic metal sheet are embedded into the clamping grooves, one part of the middle part of the elastic metal sheet is also positioned in the clamping grooves, the top of the elastic metal sheet is contacted with the electric unit protective layer of the corresponding electric unit, and a filling unit is arranged between each pair of adjacent clamping strips; a gap between the electric unit and the inner damping layer is filled with water-blocking paste; the reinforcing unit is formed by high-strength nonmetal yarns and a foaming damping layer extruded outside the high-strength nonmetal yarns.
2. A light weight, high strength and earthquake resistant cable as claimed in claim 1, wherein said elastic metal sheet material of said inner shock absorbing layer is a high elasticity stainless steel sheet.
3. A light-weight, high-strength and earthquake-resistant cable as claimed in claim 1, wherein said inner shock-absorbing layer is symmetrically provided with three pairs of clamping strips and three elastic metal sheets.
4. A light weight, high strength, earthquake resistant cable as recited in claim 1, wherein said outer jacket material is one of low density polyethylene or medium density polyethylene or high density polyethylene or PVC or flame retardant polyolefin or nylon.
5. A light weight, high strength, earthquake resistant cable as recited in claim 1 wherein said inner jacket material is one of low density polyethylene or medium density polyethylene or high density polyethylene or PVC or flame retardant polyolefin or nylon.
6. A light-weight, high-strength seismic cable according to claim 1, wherein said high-strength non-metallic yarn material is one of aramid yarn or glass fiber yarn or carbon fiber yarn.
7. A light weight, high strength seismic cable according to claim 1 wherein said tape material is one of a water blocking tape or a fiberglass tape or a non-woven tape.
8. A light weight, high strength seismic cable according to claim 1 wherein said filler cell material is one of silicone or foam or resilient sponge.
9. A light weight, high strength seismic cable according to claim 1 wherein said foam damping layer material is one of foamed polyurethane or foamed ethylene/vinyl acetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920818709.0U CN209785576U (en) | 2019-06-02 | 2019-06-02 | Light-duty high strength antidetonation cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920818709.0U CN209785576U (en) | 2019-06-02 | 2019-06-02 | Light-duty high strength antidetonation cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209785576U true CN209785576U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920818709.0U Active CN209785576U (en) | 2019-06-02 | 2019-06-02 | Light-duty high strength antidetonation cable |
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| Country | Link |
|---|---|
| CN (1) | CN209785576U (en) |
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2019
- 2019-06-02 CN CN201920818709.0U patent/CN209785576U/en active Active
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