CN209912519U - Reinforced layer and wear-resistant layer one-step formed metal shielding mobile rubber jacketed flexible cable - Google Patents
Reinforced layer and wear-resistant layer one-step formed metal shielding mobile rubber jacketed flexible cable Download PDFInfo
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- CN209912519U CN209912519U CN201920149973.XU CN201920149973U CN209912519U CN 209912519 U CN209912519 U CN 209912519U CN 201920149973 U CN201920149973 U CN 201920149973U CN 209912519 U CN209912519 U CN 209912519U
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Abstract
The utility model discloses a reinforced layer and wear-resistant layer one-step forming metal shielding mobile rubber jacketed flexible cable, which comprises a wear-resistant layer, a reinforced layer, a metal total shielding layer, an outer cable core and an inner cable core; the inner cable core comprises 3 insulating power cable cores and 3 ground cable cores which are twisted in the left direction, and a first insulating isolation water-blocking wrapping tape layer wrapping the outside of a twisting structure formed by the insulating power cable cores and the ground cable cores. The utility model discloses a set up the enhancement layer between inner wear-resisting restrictive coating and outer wear-resisting restrictive coating, adopt continuous non-stop one shot forming production technology, it is inseparable to have realized the enhancement layer, firm embedding is between inner wear-resisting restrictive coating and outer wear-resisting restrictive coating, make the enhancement layer, wearing layer one shot forming, the tensile of cable sheath has effectively been improved, antitorque, not layering, performance such as mechanical properties is excellent, further avoid the sinle silk to receive the pulling force and pull the fracture, thereby reduce the damage of insulating power sinle silk and control core, increase the life of cable core.
Description
Technical Field
The utility model relates to a wire and cable makes technical field, specifically is an enhancement layer, wearing layer one shot forming metal shielding remove rubber cover flexible cable.
Background
The garbage grab bucket crane is the core equipment of a feeding system of a garbage incineration plant and is mainly responsible for the tasks of feeding of a garbage incinerator hopper, carrying, stirring, stacking and the like of garbage in a pit. The working state of the waste incineration plant plays a very critical role in the normal operation of the whole waste incineration plant. Once the crane of the garbage grab bucket breaks down, the feeding of the garbage incinerator is influenced, and the whole garbage incinerator is directly in a paralysis state.
Because the garbage grab crane works in the environment with much dust, high temperature, high humidity and high corrosive gas, the grab cable and the electric control cabinet are not arranged on the crane generally but arranged in a closed control room for centralized control. The position identification signal of rubbish grab bucket hoist all must lead to the control room through dragging the order cable, and the present most waste incineration factory is through rotary encoder discernment buttress position, realizes operating region protection, throw the material point location through a large amount of travel switch, overhauls position identification, because on-the-spot operating mode is too poor, the grab bucket cable is easy to be split, maintains the difficulty, drags the order cable signal many, is difficult for changing and inspection problem, produces the safety problem very easily, can't carry out automated operation.
In addition, aramid fiber is often woven in an inner and outer sheath of the existing cable to be used as a framework reinforcing layer of a cable sheath, but the technology needs to be realized by 3 steps during production and manufacturing, the inner sheath needs to be manufactured first, and after the manufacture, the cable enters a saturated steam vulcanization pipeline to be vulcanized, crosslinked and cooled; then weaving fibers on the inner sheath; then, manufacturing an outer sheath, and after the manufacturing, putting the outer sheath into a vulcanization pipeline filled with saturated steam for vulcanization crosslinking and cooling, wherein the manufacturing method has the following problems:
(1) when the outer sheath of the cable is extruded, bubbles and bursting can be generated when the outer sheath is extruded because the reinforcing layer is arranged between the inner sheath and the outer sheath of the cable;
(2) the adhesion degree of the woven reinforcing layer and the inner sheath is not enough;
(3) the three processes are respectively arranged on three devices, the next process cannot be carried out after each process is finished, and the inner jacket and the outer jacket need to be vulcanized independently;
(4) because the cable is required to be vulcanized by steam when extruding the sheath, the 2-time extrusion of the sheath is equivalent to the condition that the insulating layer of the cable is vulcanized for the second time, and because the extrusion force is large when the sheath is extruded, the deformation of the insulating wire core is easily caused, the insulating layer is eccentric, and the electric insulation performance of the cable is reduced.
When the cable is produced, the product quality of domestic cable production and the quality of foreign products are greatly different due to the factors in the process, so that the cable is urgently needed to overcome the defects of the traditional cable, and has a series of excellent performances such as high strength, tensile strength, wear resistance, torsion resistance, bending resistance, oil resistance, ultraviolet ray resistance, acid and alkali resistance, corrosion resistance, water resistance, difficult core wire breakage, no delamination of a sheath and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an enhancement layer, wearing layer one shot forming metal shielding remove rubber cover flexible cable to solve the traditional rubbish that proposes in the above-mentioned background art and hang with cable conductor frequent movement crooked, drag the back and take place the conductor fracture easily, cable sheathing is not wear-resisting, cable sheathing layer and enhancement layer take place the layering after frequent bending, anti extrusion performance is poor, the anti-interference and interference suppression ability weak scheduling problem of cable.
In order to achieve the above object, the utility model provides a following technical scheme:
a metal shielding mobile rubber jacketed flexible cable with a reinforcing layer and a wear-resistant layer formed in one step comprises the wear-resistant layer, the reinforcing layer, a metal total shielding layer, an outer cable core and an inner cable core; the inner cable core comprises 3 insulating power wire cores and 3 ground wire cores which are twisted in the left direction, and an inner insulating isolation water-blocking belting layer which is wrapped outside a twisted structure formed by the insulating power wire cores and the ground wire cores; the outer cable core comprises 7 groups of shielding control wire cores and 2-7 groups of instrument signal wire cores which are stranded outside the inner cable core in the left direction by taking the inner cable core as the center, and further comprises an outer insulating and isolating water-blocking belting layer and a metal total shielding layer which are sequentially wrapped outside a stranded structure formed by the shielding control wire cores and the instrument signal wire cores from inside to outside, wherein the wear-resistant layer comprises an outer wear-resistant sheath layer and an inner wear-resistant sheath layer; the reinforcing layer is a mesh woven layer embedded between the outer wear-resistant sheath layer and the inner wear-resistant sheath layer;
the insulated power wire core sequentially comprises a first five-type tinned soft conductor, a conductor isolating layer, a first insulating isolating water-blocking belting layer and a first metal shielding reinforcing layer from inside to outside;
a second five-type tin-plated copper conductor is coated inside the ground wire core;
the control cable core is internally provided with 2 control insulation cable cores, the 2 control insulation cable cores are twisted into a cable core in the left direction, a second insulation isolation water-blocking belting layer, a second metal shielding reinforcing layer and a first wear-resistant sheath layer are wrapped outside the cable core in the right direction, and the control insulation cable cores are sequentially formed by a third five-type tin-plated copper conductor and a second insulation layer from inside to outside;
the instrument signal cable comprises an instrument signal cable core, wherein 2 instrument signal insulation cable cores are arranged in the instrument signal cable core, the 2 instrument signal insulation cable cores are twisted into a cable core in the left direction, a third insulation isolation water blocking belting layer, a third metal shielding reinforcing layer and a second wear-resistant sheath layer wrap the cable core in the right direction, and the instrument signal insulation cable core sequentially passes through a fourth five-type tin-plated copper conductor and a third insulation layer from inside to outside.
Preferably, the thickness of the inner wear-resistant sheath layer accounts for 40% -50% of the total thickness of the wear-resistant layer, and the thickness of the outer wear-resistant sheath layer accounts for 50% -60% of the total thickness of the wear-resistant layer.
Preferably, the first metal shielding reinforcing layer, the metal total shielding layer, the second metal shielding reinforcing layer and the third metal shielding reinforcing layer are net-shaped structures formed by cross weaving of tinned copper wires and nylon fibers, and the weaving direction of the tinned copper wires is the same as the twisting direction of the inner cable core and the outer cable core.
Preferably, the reinforcing layer is a reticular braided layer braided by aramid fibers.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the reinforcing layer and the wear-resistant layer are formed once, the metal shielding mobile rubber jacketed flexible cable is produced by adopting a continuous non-stop once-forming production process, an inner wear-resistant jacket layer is extruded outside a formed cable core by using an extruding rubber machine, then a reticular braided reinforcing layer is braided by a horizontal braiding machine, an outer wear-resistant jacket layer is extruded by using an extruding rubber machine, finally vulcanization is carried out by a steam vulcanization pipeline, the twice extrusion, twice vulcanization processes and the once braided reinforcing layer are integrated into a one-time continuous processing process, the situations that stain residues generated when the cable jacket passes through the once steam vulcanization pipeline and oil stain residues generated when the reinforcing layer is braided are avoided, and the situation that air coated by the outer jacket layer in the extruding process cannot be discharged along the cable core through the inner jacket layer due to the inner jacket layer and a compact layer formed on the full surface during the processing of the outer wear-resistant jacket layer is avoided, in the application, because the continuous process is adopted, the inner wear-resistant sheath layer is not vulcanized in the primary extrusion process, but is directly vulcanized through the primary production line after the secondary extrusion, the problem that the cable sheath expands to generate bubbles due to high temperature and high pressure when passing through a steam vulcanization pipeline is solved, the serious quality defect that the cable sheath bursts due to unbalanced internal and external pressure when being cooled by water is solved, the condition that the viscosity between the reinforcing layer and the inner wear-resistant sheath layer is reduced is avoided, the processing procedure is simplified, and the conditions that the cable core is deformed, the insulating layer is eccentric and the electric insulation performance of the cable is reduced due to high temperature and high pressure of a vulcanization environment due to the twice vulcanization process of the sheath in the traditional processing process are avoided;
2. the reinforcing layer and the wear-resistant layer are formed in one step to form the metal shielding movable rubber-sheathed flexible cable, a first metal shielding reinforcing layer and a second metal shielding reinforcing layer are respectively and crossly covered outside the insulated power wire core and the control wire core, and the braided tinned copper wire and the nylon fiber in the first metal shielding reinforcing layer and the second metal shielding reinforcing layer are crossly braided to ensure that the braided tinned copper wire can effectively protect the wire core from being pulled apart by tension;
3. this enhancement layer, wearing layer one shot forming metal shield removes rubber cover flexible cable, through set up the enhancement layer between inlayer wear-resisting restrictive coating and outer wear-resisting restrictive coating, adopt continuous non-stop one shot forming production technology, it is inseparable to have realized the enhancement layer, firm embedding is between inlayer wear-resisting restrictive coating and outer wear-resisting restrictive coating, make the enhancement layer, wearing layer one shot forming, cable sheathing's tensile has effectively been improved, antitorque, not layering, performance such as mechanical properties are excellent, further avoid the sinle silk to receive the pulling force and drag the fracture, thereby reduce the damage of insulating power sinle silk and control sinle silk, increase the life of cable core.
Drawings
FIG. 1 is a schematic side sectional view of the cable of the present invention;
FIG. 2 is a schematic side sectional view of the insulated power cord of the present invention;
FIG. 3 is a schematic side sectional view of the ground wire core of the present invention;
FIG. 4 is a schematic view of a side-sectional structure of a control wire core of the present invention;
fig. 5 is the utility model discloses an instrument signal line core side cut open structure schematic diagram.
In the figure: 1. insulating the power wire core; 2. a first five-type tin-plated soft conductor; 21. a second five-type tin-plated copper conductor; 22. a third five-type tin-plated copper conductor; 23. a fourth fifth type of tin-plated copper conductor; 3. a conductor isolation layer; 4. a first insulating layer; 41. a second insulating layer; 42. a third insulating layer; 5. a first insulating, water-blocking tape layer; 51. the inner layer is an insulating isolation water-blocking belting layer; 52. an outer insulating and isolating water-blocking belting layer; 53. A second insulating, isolating and water-blocking belting layer; 54. a third insulating, isolating and water-blocking belting layer; 6. a first metal shielding reinforcement layer; 61. a metal total shield layer; 62. a second metal shielding reinforcement layer; 63. a third metal shielding reinforcement layer; 7. a ground wire core; 8. a control wire core; 9. an instrument signal wire core; 10. the inner wear-resistant sheath layer; 11. a reinforcing layer; 12. the outer wear-resisting restrictive coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the metal-shielded mobile rubber-jacketed flexible cable with a reinforcing layer and a wear-resistant layer formed in one step provided by the present invention includes a wear-resistant layer, a reinforcing layer 11, a metal total shielding layer 61, an outer cable core and an inner cable core; the inner cable core comprises 3 insulating power wire cores 1 and 3 ground wire cores which are twisted in the left direction, and an inner insulating isolation water-blocking belting layer 51 which is wrapped outside a twisted structure formed by the insulating power wire cores 1 and the ground wire cores 7; the outer cable core comprises 7 groups of shielding control wire cores 8 and 2-7 groups of instrument signal wire cores 9 which are stranded outside the inner cable core in the left direction by taking the inner cable core as the center, and further comprises an outer insulating and isolating water-blocking belting layer 52 and a metal total shielding layer 61 which are sequentially wrapped outside a stranded structure formed by the shielding control wire cores 8 and the instrument signal wire cores 9 from inside to outside, wherein the wear-resistant layer comprises an outer wear-resistant sheath layer 12 and an inner wear-resistant sheath layer 10; the reinforcing layer 11 is a mesh-shaped woven layer embedded between the outer wear-resistant sheath layer 12 and the inner wear-resistant sheath layer 10, the reinforcing layer 11 is a mesh-shaped woven layer woven by aramid fibers, and the reinforcing layer 11 is tightly and firmly embedded between the inner wear-resistant sheath layer 10 and the outer wear-resistant sheath layer 12 by adopting a continuous non-stop one-step forming production process, so that the reinforcing layer 11 and the wear-resistant layer are formed at one step, and the sheath layer of the cable has the performances of tensile strength, torsion resistance, no layering and excellent mechanical property;
the insulated power wire core 1 is formed by twisting a first five-type tinned soft conductor 2, a conductor isolating layer 3, a first insulating layer 4, a first insulating isolating water-blocking belting layer 5 and a first metal shielding reinforcing layer 6 in sequence from inside to outside;
the ground wire core 7 is internally coated with a second five-type tin-plated copper conductor 21;
the control wire core 8 is internally provided with 2 control insulation wire cores, the 2 control insulation wire cores are twisted into a cable core in the left direction, the cable core is externally and rightwards wrapped with a second insulation isolation water-blocking wrapping tape layer 53, a second metal shielding reinforcing layer 62 and a first wear-resistant sheath layer 101, and the control insulation wire cores are sequentially formed by a third five-type tin-plated copper conductor 22 and a second insulation layer 41 from inside to outside;
the instrument signal wire core 9 is internally provided with 2 instrument signal insulated wire cores, the 2 instrument signal insulated wire cores are twisted into a cable core in the left direction, the cable core is externally wrapped with a third insulating isolation water-blocking belting layer 54, a third metal shielding reinforced layer 63 and a second wear-resistant sheath layer 102 in the right direction, the instrument signal insulated wire cores sequentially pass through a fourth five-type tinned copper conductor 23 and a third insulating layer 42 from inside to outside, the first metal shielding reinforced layer 6, the metal total shielding layer 61, the second metal shielding reinforced layer 62 and the third metal shielding reinforced layer 63 are all net-shaped structures formed by cross weaving of tinned copper wires and nylon fibers, the weaving direction of the tinned copper wires is the same as the stranding direction of the inner cable core and the outer cable core, the net-shaped tinned copper wires and a nylon fiber framework are taken as an armor layer, and the integral mechanical tensile property of the first metal shielding reinforced layer 6, the metal total shielding layer 61, the second metal shielding reinforced layer 62 and the third metal, the purpose that the tinned copper wire cannot be broken when the cable is bent for a long time is achieved, the shielding effect of the cable is guaranteed, and meanwhile, the armored effect is achieved, so that the cable is effectively protected, and the service life of the cable is prolonged.
The working principle is as follows: when in use, the continuous non-stop one-step forming production process is adopted, so that the reticular braided reinforcing layer 11 braided by the aramid fiber is tightly and firmly embedded between the inner wear-resistant sheath layer 10 and the outer wear-resistant sheath layer 12, the reinforcing layer 11 and the wear-resistant layer are formed at one step, the tensile property and the torsional property of the sheath layer of the cable are effectively increased, the cable layering is avoided, the mechanical property of the cable is increased, the phenomenon that the cable sheath expands to generate bubbles under high temperature and high pressure when passing through a steam vulcanization pipeline is solved, the serious quality defect that the cable sheath bursts due to unbalanced internal and external pressure when being cooled by water is solved, the reticular structure formed by alternately braiding the tinned copper wires inside the first metal shielding reinforcing layer 6, the metal main shielding layer 61, the second metal shielding reinforcing layer 62 and the third metal shielding reinforcing layer 63 is convenient to use the reticular tinned copper wires and the nylon fiber framework as an armor layer, the overall mechanical tensile property of the first metal shielding reinforcing layer 6, the metal total shielding layer 61, the second metal shielding reinforcing layer 62 and the third metal shielding reinforcing layer 63 is effectively improved, the purpose that the tinned copper wire cannot be broken when the cable is bent for a long time is achieved, the shielding effect of the cable is guaranteed, and meanwhile, the effect of armor is achieved, the cable is effectively protected, and the service life of the cable is prolonged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a enhancement layer, wearing layer one shot forming metal shielding remove rubber cover flexible cable which characterized in that: comprises a wear-resistant layer, a reinforcing layer (11), a metal total shielding layer (61), an outer cable core and an inner cable core; the inner cable core comprises 3 insulating power wire cores (1) and 3 ground wire cores (7) which are twisted in the left direction, and an inner insulating isolation water-blocking wrapping tape layer (51) which wraps the insulating power wire cores (1) and the ground wire cores (7) to form a twisted structure; the outer cable core comprises 7 groups of shielding control wire cores (8) and 2-7 groups of instrument signal wire cores (9) which are stranded outside the inner cable core in the left direction by taking the inner cable core as the center, and further comprises an outer insulating isolation water-blocking wrapping belt layer (52) and a metal total shielding layer (61) which are sequentially wrapped outside a stranded structure formed by the shielding control wire cores (8) and the instrument signal wire cores (9) from inside to outside, wherein the wear-resistant layer comprises an outer wear-resistant sheath layer (12) and an inner wear-resistant sheath layer (10); the reinforcing layer (11) is a reticular braided layer embedded between the outer wear-resistant sheath layer (12) and the inner wear-resistant sheath layer (10);
the insulation power wire core (1) sequentially comprises a first five-type tin-plated soft conductor (2), a conductor isolation layer (3), a first insulation layer (4), a first insulation isolation water-blocking belting layer (5) and a first metal shielding reinforcing layer (6) from inside to outside;
the ground wire core (7) is internally coated with a second five-type tin-plated copper conductor (21);
the control cable core (8) is internally provided with 2 control insulation cable cores, the 2 control insulation cable cores are twisted into a cable core in the left direction, a second insulation isolation water-blocking belting layer (53), a second metal shielding reinforcing layer (62) and a first wear-resistant sheath layer (101) are wrapped outside the cable core in the right direction, and the control insulation cable cores are sequentially formed by a third five-type tin-plated copper conductor (22) and a second insulation layer (41) from inside to outside;
the instrument signal cable core (9) is internally provided with 2 instrument signal insulation cable cores, the 2 instrument signal insulation cable cores are twisted into a cable core in the left direction, a third insulation isolation water-blocking belting layer (54), a third metal shielding reinforcing layer (63) and a second wear-resistant sheath layer (102) wrap the cable core in the right direction, and the instrument signal insulation cable cores sequentially pass through a fourth five-type tin-plated copper conductor (23) and a third insulation layer (42) from inside to outside.
2. The one-step formed metal shielding mobile rubber-sheathed flexible cable with the reinforcing layer and the wear-resistant layer as claimed in claim 1, wherein: the thickness of the inner wear-resistant sheath layer (10) accounts for 40-50% of the total thickness of the wear-resistant layer, and the thickness of the outer wear-resistant sheath layer (12) accounts for 50-60% of the total thickness of the wear-resistant layer.
3. The one-step formed metal shielding mobile rubber-sheathed flexible cable with the reinforcing layer and the wear-resistant layer as claimed in claim 1, wherein: the first metal shielding reinforcing layer (6), the metal total shielding layer (61), the second metal shielding reinforcing layer (62) and the third metal shielding reinforcing layer (63) are of a net structure formed by alternately weaving tinned copper wires and nylon fibers, and the weaving direction of the tinned copper wires is the same as the twisting direction of the inner cable core and the outer cable core.
4. The one-step formed metal shielding mobile rubber-sheathed flexible cable with the reinforcing layer and the wear-resistant layer as claimed in claim 1, wherein: the reinforced layer (11) is a reticular braided layer braided by aramid fibers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920149973.XU CN209912519U (en) | 2019-01-29 | 2019-01-29 | Reinforced layer and wear-resistant layer one-step formed metal shielding mobile rubber jacketed flexible cable |
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| CN201920149973.XU CN209912519U (en) | 2019-01-29 | 2019-01-29 | Reinforced layer and wear-resistant layer one-step formed metal shielding mobile rubber jacketed flexible cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859880A (en) * | 2019-01-29 | 2019-06-07 | 安徽凌宇电缆科技有限公司 | A kind of enhancement layer, wearing layer one-pass molding metallic shield movable rubber jacketed flexible cable |
| CN113936851A (en) * | 2021-11-02 | 2022-01-14 | 怀化宇隆电工材料有限公司 | Tensile cable for preparing connecting wire of charging gun |
-
2019
- 2019-01-29 CN CN201920149973.XU patent/CN209912519U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859880A (en) * | 2019-01-29 | 2019-06-07 | 安徽凌宇电缆科技有限公司 | A kind of enhancement layer, wearing layer one-pass molding metallic shield movable rubber jacketed flexible cable |
| CN109859880B (en) * | 2019-01-29 | 2024-03-12 | 安徽凌宇电缆科技有限公司 | One-step formed metal shielding mobile rubber jacketed flexible cable with reinforcing layer and wear-resistant layer |
| CN113936851A (en) * | 2021-11-02 | 2022-01-14 | 怀化宇隆电工材料有限公司 | Tensile cable for preparing connecting wire of charging gun |
| CN113936851B (en) * | 2021-11-02 | 2024-01-12 | 固达电线电缆(集团)有限公司 | Tensile cable for preparing charging gun connecting wire |
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