CN210378607U - Insulating production cross-linking device for high-quality power cable - Google Patents
Insulating production cross-linking device for high-quality power cable Download PDFInfo
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- CN210378607U CN210378607U CN201921649999.7U CN201921649999U CN210378607U CN 210378607 U CN210378607 U CN 210378607U CN 201921649999 U CN201921649999 U CN 201921649999U CN 210378607 U CN210378607 U CN 210378607U
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Abstract
The utility model discloses an insulation production cross-linking device for high-quality power cables, which is distributed on four platforms, and comprises an extruder set arranged on a three-layer platform, an adjustable steering wheel arranged on a negative one-layer platform, a fixed steering wheel arranged on a two-layer platform, an outgoing line seal and a take-up frame arranged on a one-layer platform; the space between the extruder set and the adjustable steering wheel is composed of a vertical section heating pipe and a vertical section descending cooling pipe from top to bottom; the adjustable steering wheel and the fixed steering wheel are formed by a vertical section of ascending cooling pipe; the space between the fixed steering wheel and the outgoing line seal is composed of a catenary heating pipe and a catenary cooling pipe; the extruder unit consists of an insulating extruder, an inner screen extruder, an outer screen extruder, an extruder head and an online deviation measuring instrument; the whole device integrates the advantages of a vertical tower (VCV) and a catenary wire (CCV) production type, and provides the insulation production crosslinking device for the high-quality cable, which has excellent eccentricity control of the insulated wire core of the cable, high production efficiency and low infrastructure cost of the device.
Description
Technical Field
The utility model relates to an insulating production cross-linking apparatus for high-quality power cable especially provides an insulating production cross-linking apparatus that can satisfy the requirement of the insulating low little eccentricity of high-quality cable.
Background
The insulation eccentricity of the medium-high voltage cable is an assessment index reflecting the processing capacity of insulation production, and the national standard GB/T12706 specifies that the insulation eccentricity of the cable cannot be more than 15%. The standard specifies that the insulation eccentricity is calculated as (insulation maximum thickness-insulation minimum thickness) ÷ insulation maximum thickness × 100% over the same cross-section. With the improvement of the performance index requirements of engineering projects, the insulation eccentricity of a high-quality cable required by the high-quality project is improved from no more than 15% of the national standard to no more than 6%, and the eccentricity of a more strict project is controlled to a level of no more than 5%.
At present, the insulation of a high-voltage cable in the production of the prior art mainly adopts a three-layer co-extrusion and vulcanized tube crosslinking mode, and the production mode mainly comprises a catenary line (CCV) mode and a vertical tower (VCV) mode. The catenary wire (CCV) production type insulation extrusion mode and the vulcanization pipe crosslinking mode are catenary horizontal distribution, and insulation eccentricity is difficult to control due to the action of gravity in the high-temperature extrusion and vulcanization processes; although engineering technicians develop technologies such as an up-and-down rotary type traction and a down-traction thread twisting device on the basis of the existing CCV technology, due to the fact that span of two ends of a catenary is large, eccentricity is caused by gravity, and problems such as suspension shaking caused by equipment coordination exist, the eccentricity control level can only be guaranteed within 10% at present. The other vertical tower (VCV) production crosslinking mode is that the insulation extrusion and crosslinking modes are linearly and vertically arranged, so that the problem that the eccentricity of insulation caused by gravity and catenary jitter is difficult to control is well solved, the insulation eccentricity can be controlled within 5 percent, but the problems of high vertical tower cost, high construction safety risk, low production efficiency and the like caused by the short length of a vulcanized pipe due to height limitation are solved, and the vertical tower (VCV) production crosslinking mode is generally only applied to the production of high-voltage and ultrahigh-voltage cables with small market demand and higher technical level; for medium-pressure products with large market demands, the production is generally carried out in a catenary (CCV) mode.
The defects of the prior art are as follows: based on the requirement that the eccentric technical index of the existing high-quality cable is within 5 percent, the index is difficult to achieve by adopting a catenary (CCV) type; the vertical tower (VCV) type production is adopted, the infrastructure cost is overlarge, the production efficiency is low, and the market acceptance is difficult; therefore, with the higher and higher requirements of high-quality project engineering on the performance index of a high-quality cable product, a production device technology which can ensure the insulation eccentricity index and can keep the catenary at low cost and high efficiency is urgently needed.
SUMMERY OF THE UTILITY MODEL
To the problem and the defect, the utility model provides a can ensure the eccentric index of high-quality cable insulation, can keep the low-cost, efficient insulation production cross-linking device of catenary again.
The technical scheme of the utility model is that: the utility model provides a high-quality power cable is with insulating production cross-linking device, distributes on four platforms, includes:
the extruder set is arranged on the three-layer platform, the adjustable steering wheel is arranged on the negative layer platform, the fixed steering wheel is arranged on the two-layer platform, and the outgoing line seal and the take-up stand are arranged on the one-layer platform.
Furthermore, the extruder set and the adjustable steering wheel are composed of a vertical section heating pipe and a vertical section descending cooling pipe from top to bottom.
Furthermore, a vertical section of upward cooling pipe is arranged between the adjustable steering wheel and the fixed steering wheel.
Furthermore, a catenary heating pipe and a catenary cooling pipe are arranged between the fixed steering wheel and the outgoing line seal.
Furthermore, the extruder unit comprises an insulating extruder, an inner screen extruder, an outer screen extruder, an extruder head and an online deviation measuring instrument.
Further, the insulating extruder, the inner screen extruder and the outer screen extruder are horizontally arranged.
Further, the extruder head and the online deviation measuring instrument are vertically arranged.
Furthermore, the vertical section heating pipe, the vertical section downward cooling pipe and the vertical section upward cooling pipe are vertically arranged, and the vertical section downward cooling pipe is arranged below the vertical section heating pipe;
furthermore, the catenary heating pipe and the catenary cooling pipe are arranged in a catenary mode, and the catenary cooling pipe is arranged below the catenary heating pipe in a hanging mode.
Further, the vertical section heating pipe is heated by an electric heating coil, and the hanging section heating pipe is heated by the electric heating coil.
Furthermore, the vertical section downlink cooling pipe is provided with a vertical section downlink cooling nitrogen inlet and outlet, the vertical section uplink cooling pipe is provided with a vertical section uplink cooling nitrogen inlet and outlet, and the catenary section cooling pipe is provided with a catenary section cooling nitrogen inlet and outlet.
Furthermore, the adjustable steering wheel comprises a groove cambered surface, a wheel hub, an axial pressure spring and an axial pressure retainer ring, wherein the groove cambered surface is a quarter elliptical arc, and two groove cambered surfaces form a semi-elliptical cambered surface.
After the technical scheme is adopted, the utility model discloses following positive effect has:
(1) the utility model relates to an insulating production cross-linking device for high-quality power cable collects the advantage in an organic whole of vertical tower (VCV) and catenary wire (CCV) production pattern, extrudes the insulation of vertical tower (VCV) and catenary wire (CCV) and cross-linked vulcanization carries out effective combination, forms the insulating VCV production pattern that extrudes the cross-linked production process and get into the vertical tower earlier, control and design insulation eccentricity; then entering the CCV production mode of the catenary to prolong the length of the crosslinking vulcanized pipe so as to improve the production efficiency of cable insulation.
(2) The vertical tower VCV vertical cross-linking pipes and the catenary CCV horizontal cross-linking pipes are combined, the length of the vertical cross-linking pipes can be fully shortened on the basis of ensuring insulation eccentric shaping, the height of a vertical tower is reduced, the requirement can be met generally by 40 m, the design of an underground negative layer is combined, the height of a three-layer floor is 35 m, and an extruder unit is designed and arranged on a three-layer platform; by the design, the infrastructure cost can be greatly reduced, so that the sales allocation cost of the high-quality cable is reduced, and the sales price is kept unchanged while the technical indexes of the product are upgraded.
(3) In consideration of ensuring the quality of the insulation crosslinking degree of the cable and improving the production efficiency, the cable is vertically extruded in a vertical tower type and eccentrically shaped, and then enters a secondary crosslinking process of a catenary wire; because the catenary CCV horizontal cross-linked pipeline is long, insulation can be fully cross-linked, the production efficiency is high, and the cross-linking quality is good; meanwhile, as the front surface is subjected to a section of vertical cross-linking and shaping process, the insulation eccentricity can be effectively controlled; the suspension chain vulcanizing pipes are horizontally arranged, so that the device is low in infrastructure cost, high in production efficiency and effectively controlled in overall manufacturing cost.
(4) The utility model discloses an insulating production cross-linking apparatus for high-quality power cable has solved prior art and has singly used catenary wire (CCV) technical insulation eccentric uncontrollable, and it is high to singly use vertical tower (VCV) technical equipment investment cost, and shortcoming that production efficiency is low provides a cable insulation eccentricity control excellence, production efficiency height, the insulating production cross-linking apparatus for high-quality cable of device infrastructure cost low.
Drawings
In order that the present invention may be more clearly understood, the following detailed description of the present invention is provided in terms of specific examples taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the adjustable steerable wheel.
The reference numbers in the drawings are as follows:
an extruder set 1;
the device comprises an insulation extruder 101, an inner screen extruder 102, an outer screen extruder 103, an extruder head 104 and an online deviation measuring instrument 105;
the vertical section heating pipe 2, the vertical section descending cooling pipe 3, the vertical section ascending cooling pipe 4, the catenary heating pipe 5 and the catenary cooling pipe 6;
an adjustable steering wheel 7;
the groove cambered surface 71, the hub 72, the axial pressure spring 73 and the axial pressure retainer ring 74;
the device comprises a fixed steering wheel 8, an outgoing line seal 9, a cable insulation wire core 10, a take-up stand 11, a vertical section downlink cooling nitrogen inlet and outlet 12, a vertical section uplink cooling nitrogen inlet and outlet 13 and a catenary section cooling nitrogen inlet and outlet 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be further noted that, unless explicitly specified or limited otherwise, the terms "set", "electric heating coil", "quarter", "semi-ellipse", "vertical section downward cooling nitrogen inlet/outlet", "vertical section upward cooling nitrogen inlet/outlet", "catenary section cooling nitrogen inlet/outlet" should be understood in a broad sense, for example, heating by electric heating coil is a broadly-indicated heating manner, and may be resistance wire coil heating, or induction coil heating, including infrared heating, etc.; the cooling nitrogen inlet and outlet can be understood as functions of a cooling nitrogen outlet and a cooling nitrogen inlet, not only one in fig. 1, but also can be understood as a plurality of or a plurality of groups of symmetrical cooling nitrogen outlets, and one cooling nitrogen inlet corresponds to one cooling nitrogen outlet to form one group.
The utility model provides a high-quality power cable is with insulating production cross-linking device for solve high-quality cable insulation production cross-linking production, have that insulating eccentricity of control is little, production efficiency is high, infrastructure investment cost low grade advantage, the general thinking is as follows:
an insulation production cross-linking device for high-quality power cables integrates the advantages of production types of a vertical tower (VCV) and a catenary (CCV), effectively combines insulation extrusion and cross-linking vulcanization of the vertical tower (VCV) and the catenary (CCV), forms a VCV production type which firstly enters the vertical tower in the insulation extrusion cross-linking production process, and controls and shapes insulation eccentricity; then entering the CCV production mode of the catenary to prolong the length of the crosslinking vulcanized pipe so as to improve the production efficiency of cable insulation.
The technical solution of the present invention is described and illustrated in detail by a specific embodiment:
as shown in fig. 1, the insulation production cross-linking device for high-quality power cables is distributed on four platforms, and comprises an extruder unit 1 arranged on a three-layer platform, an adjustable steering wheel 7 arranged on a negative one-layer platform, a fixed steering wheel 8 arranged on a two-layer platform, an outgoing line seal 9 and a take-up stand 11 arranged on the one-layer platform; the entire insulated extrusion and crosslinking line is divided into organic combinations equivalent to the riser VCV production profile and catenary CCV production profile by an arrangement of four stages.
The extruder unit 1 comprises an insulating extruder 101, an inner screen extruder 102, an outer screen extruder 103, an extruder head 104 and an online deviation measuring instrument 105, wherein the insulating extruder 101, the inner screen extruder 102 and the outer screen extruder 103 are horizontally arranged; the extruder head 104 and the online polarization meter 105 are vertically arranged.
The space between the extruder unit 1 and the adjustable steering wheel 7 is composed of a vertical section heating pipe 2 and a vertical section descending cooling pipe 3 from top to bottom; the cable conductor is coated and insulated by a three-layer extruder unit 1 to form a cable insulation wire core 10, vertically and downwards enters a vertical section heating pipe 2 for cross-linking vulcanization, the cross-linking temperature of the section reaches more than 400 ℃, and rapid surface vulcanization is carried out; because the vertical section heating pipe 2 and the vertical section descending cooling pipe 3 are vertically arranged, the gravity values of the earth centers on the same cross section of the cable insulation wire core 10 are equal, and the eccentric problem caused by the fact that the gravity values of the earth centers on the same cross section of the cable insulation wire core 10 are unequal like a catenary vulcanization pipe is avoided; the cable insulation wire core 10 enters the vertical section descending cooling pipe 3 after being subjected to surface cross-linking through the vertical section heating pipe 2, and the temperature of the cable insulation wire core 10 is reduced to be below 100 ℃ so as to prevent the cable insulation wire core from being subjected to steering bending stress deformation on the adjustable steering wheel 7; the bending of the cable insulation wire core 10 on the adjustable steering wheel 7 is mainly formed by freely bending by self weight, and is slightly influenced by the steering side pressure of the adjustable steering wheel 7, the purpose is to prevent the eccentricity of the cable insulation wire core 10 from being influenced by the steering side pressure of the adjustable steering wheel 7, and the function of the adjustable steering wheel 7 is mainly to adjust the center position of the cable insulation wire core 10 on the vertical section heating pipe 2 and the vertical section descending cooling pipe 3 to prevent the problem of pipe wiping.
The adjustable steering wheel 7 and the fixed steering wheel 8 are composed of vertical section ascending cooling pipes 4, the cable insulation wire core 10 enters the vertical section ascending cooling pipes 4 for further cooling after being steered by the adjustable steering wheel 7, when the cable insulation wire core 10 reaches the fixed steering wheel 8, the temperature of the cable insulation wire core 10 is already reduced to be below 60 ℃, and the cable insulation wire core 10 is ensured to be steered and bent by the fixed steering wheel 8 and not to be deformed by lateral pressure.
A catenary section heating pipe 5 and a catenary section cooling pipe 6 are arranged between the fixed steering wheel 8 and the outgoing line seal 9, and the cable insulation wire core 10 passes through the fixed steering wheel 8 and then is turned to a catenary (CCV) production form similar to a vertical tower (VCV) production form.
Wherein the vertical section heating pipe 2, the vertical section downward cooling pipe 3 and the vertical section upward cooling pipe 4 are vertically arranged, and the vertical section downward cooling pipe 3 is arranged below the vertical section heating pipe 2.
The catenary heating pipe 5 and the catenary cooling pipe 6 are arranged in a catenary, and the catenary cooling pipe 6 is arranged below the catenary heating pipe 5 in a suspension manner.
Wherein the vertical section heating pipe 2 is heated by an electric heating coil; the vertical section downlink cooling pipe 3 is provided with a vertical section downlink cooling nitrogen inlet and outlet 12, the vertical section uplink cooling pipe 4 is provided with a vertical section uplink cooling nitrogen inlet and outlet 13, and nitrogen protection cooling is adopted; the suspension chain segment heating pipe 5 is heated by an electric heating coil; the catenary cooling pipe 6 is provided with a catenary cooling nitrogen inlet and outlet 14, and nitrogen protection cooling or water cooling can be adopted.
As shown in fig. 2, the adjustable steering wheel 7 is composed of a groove arc surface 71, a hub 72, an axial pressure spring 73 and an axial pressure retainer ring 74, wherein the groove arc surface 71 is a quarter elliptical arc, and two groove arc surfaces 71 form a semi-elliptical arc surface; when the cable insulation wire core 10 is bent by the adjustable steering wheel 7, the cable insulation wire core is contacted with the left and right groove cambered surfaces 71, the cambered surface grooves are adopted to increase the contact surface with the cable insulation wire core 10 and reduce the lateral pressure to cause the local deformation of the cable insulation wire core 10 so as to influence the eccentricity; the axial displacement adjustment provided by the axial pressure spring 73 can provide buffer of radial pressure for the groove cambered surface 71, and also aims to prevent the cable insulated wire core 10 from being subjected to excessive lateral pressure deformation; the adjustable steering wheel 7 can realize the adjustment of the integral vertical displacement, so that the cable insulation wire core 10 is ensured to be positioned at the central position in the vertical section heating pipe 2, the vertical section descending cooling pipe 3 and the vertical section ascending cooling pipe 4, and the problem of pipe wiping is prevented; meanwhile, the two groove arc surfaces 71 form a semi-elliptical arc surface, and the expansion and the reduction of the semi-elliptical arc surface formed by the two groove arc surfaces 71 can be realized by adjusting the axial displacement of the axial pressure spring 73 and the axial pressure retainer ring 74, so that the upper and lower positions of the cable insulation wire core 10 on the adjustable steering wheel 7 can be finely adjusted.
The working principle is as follows:
as shown in fig. 1, the utility model provides an insulation production cross-linking device for high-quality power cable, which is mainly used for the insulation extrusion cross-linking production of medium-high voltage high-quality cable, and ensures that the insulation eccentricity is not more than 5%; the device integrates the advantages of the production types of a vertical tower (VCV) and a catenary (CCV), and effectively combines the insulating extrusion and crosslinking vulcanization of the vertical tower (VCV) and the catenary (CCV); after being coated and insulated by an extruder unit 1, a conductor of a cable insulation core 10 vertically enters a vertical section heating pipe 2 similar to a vertical concentration tower (VCV) production type to be heated to more than 400 ℃ for primary surface crosslinking and eccentricity curing; based on a vertical tower (VCV) vertical production mode, all the insulation on the cross section of the cable insulation core 10 is uniformly subjected to the gravity of the earth center, and the eccentric problem of the product caused by the gravity is avoided; after the cable insulation wire core 10 is subjected to primary crosslinking and solidification through the vertical section heating pipe 2, the cable insulation wire core is cooled to be below 100 ℃ through the vertical section descending cooling pipe 3, then the steering and bending are carried out through the adjustable steering wheel 7, the adjustable steering wheel 7 is subjected to integral up-and-down adjustment and axial floating adjustment through the axial pressure spring 73 and the axial pressure retaining ring 74, the cable insulation wire core 10 is prevented from being deformed by the bending side pressure, and the eccentricity is prevented from being influenced by the deformation of a wiping pipe; then the cable insulation wire core 10 is further cooled by the cooling pipe 4 which goes upward at the vertical section, when the cable insulation wire core reaches the fixed steering wheel 8, the temperature of the cable insulation wire core 10 is reduced to below 60 ℃, so that the influence of the deformation of the bending side pressure on the eccentricity when the cable insulation wire core 10 passes through the fixed steering wheel 8 is prevented; the cable insulation wire core 10 enters a similar catenary (CCV) production mode after passing through a fixed steering wheel 8, the efficient crosslinking production function is realized through the long-distance crosslinking and cooling process of a catenary heating pipe 5 and a catenary cooling pipe 6, finally the whole cable insulation wire core 10 is subjected to insulation extrusion and crosslinking production after being subjected to wire outlet sealing 9, and a finished product is wound on a cable disc by a wire winding frame 11 for turnover; finally, the control of the small eccentricity of the cable insulation wire core 10, high efficiency and low cost production are realized.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it is understood that the above description is only an embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a high-quality power cable is with insulating production cross-linking device which characterized in that: the whole device is distributed on four platforms, and comprises an extrusion unit (1) arranged on a three-layer platform, an adjustable steering wheel (7) arranged on a negative layer platform, a fixed steering wheel (8) arranged on a two-layer platform, an outgoing line seal (9) and a take-up stand (11) arranged on a one-layer platform; the extruder set (1) and the adjustable steering wheel (7) are composed of a vertical section heating pipe (2) and a vertical section descending cooling pipe (3) from top to bottom; the adjustable steering wheel (7) and the fixed steering wheel (8) are formed by a vertical section of upward cooling pipe (4); and a catenary heating pipe (5) and a catenary cooling pipe (6) are arranged between the fixed steering wheel (8) and the outgoing line seal (9).
2. The insulation production crosslinking device for the high-quality power cable according to claim 1, wherein: the extruding unit (1) consists of an insulating extruder (101), an inner screen extruder (102), an outer screen extruder (103), an extruding machine head (104) and an online deviation measuring instrument (105); the insulating extruder (101), the inner screen extruder (102) and the outer screen extruder (103) are horizontally arranged; the extruder head (104) and the online deviation measuring instrument (105) are vertically arranged.
3. The insulation production crosslinking device for the high-quality power cable according to claim 1, wherein: the vertical section heating pipe (2), the vertical section descending cooling pipe (3) and the vertical section ascending cooling pipe (4) are vertically arranged, and the vertical section descending cooling pipe (3) is arranged below the vertical section heating pipe (2); the catenary heating pipe (5) and the catenary cooling pipe (6) are arranged in a catenary mode, and the catenary cooling pipe (6) is arranged below the catenary heating pipe (5) in a suspension mode.
4. The insulation production crosslinking device for the high-quality power cable according to claim 1, wherein: the vertical section heating pipe (2) is heated by an electric heating coil; the vertical section downward cooling pipe (3) is provided with a vertical section downward cooling nitrogen inlet and outlet (12); the vertical section ascending cooling pipe (4) is provided with a vertical section ascending cooling nitrogen inlet and outlet (13); the catenary section heating pipe (5) is heated by an electric heating coil; and the catenary section cooling pipe (6) is provided with a catenary section cooling nitrogen inlet and outlet (14).
5. The insulation production crosslinking device for the high-quality power cable according to claim 1, wherein: the adjustable steering wheel (7) is composed of groove arc surfaces (71), a wheel hub (72), an axial pressure spring (73) and an axial pressure retainer ring (74), the groove arc surfaces (71) are quarter elliptical arcs, and two groove arc surfaces (71) form a semi-elliptical arc surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921649999.7U CN210378607U (en) | 2019-10-07 | 2019-10-07 | Insulating production cross-linking device for high-quality power cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921649999.7U CN210378607U (en) | 2019-10-07 | 2019-10-07 | Insulating production cross-linking device for high-quality power cable |
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| CN210378607U true CN210378607U (en) | 2020-04-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506656A (en) * | 2021-09-09 | 2021-10-15 | 南通方正机电制造有限公司 | Insulation production cross-linking equipment for power cable manufacturing |
| CN117457287A (en) * | 2023-10-09 | 2024-01-26 | 冀东普天线缆有限公司 | Production method of aluminum alloy special-shaped monofilament stranded cable |
-
2019
- 2019-10-07 CN CN201921649999.7U patent/CN210378607U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506656A (en) * | 2021-09-09 | 2021-10-15 | 南通方正机电制造有限公司 | Insulation production cross-linking equipment for power cable manufacturing |
| CN113506656B (en) * | 2021-09-09 | 2021-11-16 | 南通方正机电制造有限公司 | Insulation production cross-linking equipment for power cable manufacturing |
| CN117457287A (en) * | 2023-10-09 | 2024-01-26 | 冀东普天线缆有限公司 | Production method of aluminum alloy special-shaped monofilament stranded cable |
| CN117457287B (en) * | 2023-10-09 | 2024-05-28 | 冀东普天线缆有限公司 | Production method of aluminum alloy special-shaped monofilament stranded cable |
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