CN214796866U - High-current-carrying low-loss steel-cored aluminum stranded wire - Google Patents
High-current-carrying low-loss steel-cored aluminum stranded wire Download PDFInfo
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- CN214796866U CN214796866U CN202120276161.9U CN202120276161U CN214796866U CN 214796866 U CN214796866 U CN 214796866U CN 202120276161 U CN202120276161 U CN 202120276161U CN 214796866 U CN214796866 U CN 214796866U
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Abstract
The utility model discloses a high current-carrying low-loss steel-cored aluminum strand wires, steel core and a plurality of spiral including being located the centre encircle the aluminium core in the steel core outside, the aluminium core outside is provided with the stop collar with the whole cladding of aluminium core, stop collar outside cover is equipped with the electric power transmission protective sheath, electric power transmission protective sheath upside is provided with arc joint semi-ring, arc joint semi-ring downside is fixed with down the connecting plate through bolt and nut, the inboard upper surface of lower connecting plate rotates and is connected with the lower threaded rod, threaded connection has the screw thread adjusting sleeve on the lower threaded rod, screw thread adjusting sleeve upside threaded connection has the upper threaded rod, the top of upper threaded rod is fixed with arc butt plate, the interior arcwall face and the outer periphery looks butt of electric power transmission protective sheath of arc butt plate. The utility model discloses be convenient for protect filter core and steel core, avoid the heliciform structure of filter core to be destroyed the problem that the current-carrying capacity among the electric power transmission who leads to reduces, the electric power loss increases simultaneously.
Description
Technical Field
The utility model relates to an electric power transmission technical field especially relates to a high current-carrying low-loss steel-cored aluminum stranded wire.
Background
Steel-cored aluminum strand, english name: aluminum conductor steel reinforced, ACSR, refers to a reinforced wire in which a single-layer or multi-layer aluminum strand is stranded outside a galvanized steel core. The method is mainly applied to the industries of electric power and power transmission lines.
The steel-cored aluminum strand is formed by stranding aluminum wires and steel wires and is suitable for overhead transmission lines.
The inside of the steel core is a steel core, and the outside of the steel core is wound around the steel core by an aluminum wire in a twisting way; the steel core mainly plays a role in increasing strength, and the aluminum stranded wire mainly plays a role in transmitting electric energy.
The existing aluminum conductor steel-cored wire cannot be effectively fixed, so that an aluminum core with a spiral outer side is easy to move outwards, and the current carrying capacity and the power loss in power transmission of the aluminum conductor steel-cored wire are affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-current-carrying low-loss steel-cored aluminum strand.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high current-carrying low-loss steel-cored aluminum strand, including the steel core that is located the centre and the aluminium core of a plurality of spiral encircles in the steel core outside, the aluminium core outside is provided with the stop collar with the whole cladding of aluminium core, stop collar outside cover is equipped with the power transmission protective sheath, power transmission protective sheath upside is provided with arc joint semi-ring, arc joint semi-ring downside is fixed with lower connecting plate through bolt and nut, the inboard upper surface of lower connecting plate rotates and is connected with the lower threaded rod, threaded connection has the screw thread adjusting sleeve on the lower threaded rod, screw thread adjusting sleeve upside threaded connection has the threaded rod, the top of going up the threaded rod is fixed with arc butt joint board, the interior arcwall face and the outer periphery looks butt of power transmission protective sheath of arc butt joint board.
Preferably, the mutually contacted sides of the lower connecting plate and the arc-shaped clamping semi-rings are respectively fixed with a convex plate extending outwards, the convex plates on the same side are arranged up and down, and the two convex plates arranged up and down are locked and fixed through bolts and nuts.
Preferably, a plurality of limiting bulges clamped in a gap between two adjacent aluminum cores are fixed on the inner circumferential surface of the limiting sleeve at equal intervals.
Preferably, the outer periphery of the power transmission protective sleeve is fixed with an arc-shaped flange extending downwards, and an arc-shaped groove for arranging the arc-shaped flange is formed in the arc-shaped surface of the arc-shaped abutting plate.
Preferably, the inboard integrated processing of lower connecting plate has straight portion, the straight portion upside of lower connecting plate and the outer arc face of arc butt joint board all fixed the scarf joint have the bearing, lower threaded rod and last threaded rod respectively with the inner circle fixed connection of two bearings.
The utility model has the advantages that:
the utility model discloses a rotate the screw thread adjusting sleeve for go up the threaded rod and shift up, thereby make the arc butt board shift up, and make with arc flange joint in the arc wall of arc butt board, along with the last shift of arc butt board, thereby it is tight with electric power transmission protective sheath top, and then avoid having guaranteed the current-carrying ability among the electric power transmission to the spiral helicine destruction of aluminium core, reduced power loss.
Drawings
Fig. 1 is a schematic structural view of a high current-carrying low-loss steel-cored aluminum strand of the present invention.
Fig. 2 is a front view of the high current-carrying low-loss steel-cored aluminum strand of the present invention.
Fig. 3 is the utility model discloses a connection structure sketch map of screw thread adjusting sleeve and last threaded rod among high current-carrying low-loss steel-cored aluminum strand wires.
Fig. 4 is the schematic structural diagram of the stop collar in the high current-carrying low-loss steel-cored aluminum strand of the present invention.
Reference numbers in the figures: 1 arc joint semi-ring, 2 electric power transmission protective sheath, 3 stop collar, 4 convex plates, 5 lower connecting plates, 6 aluminium cores, 7 steel cores, 8 arc flanges, 9 arc butt joint boards, 10 upper threaded rods, 11 screw thread adjusting sleeve, 12 lower threaded rods, 31 spacing archs.
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.
Referring to fig. 1-4, a high current-carrying low-loss steel-cored aluminum strand, which comprises a steel core 7 positioned in the middle and an aluminum core 6 spirally wound outside the steel core 7, wherein a limiting sleeve 3 for covering the aluminum core 6 is arranged outside the aluminum core 6, a power transmission protective sleeve 2 is sleeved outside the limiting sleeve 3, an arc-shaped clamping semi-ring 1 is arranged on the upper side of the power transmission protective sleeve 2, a lower connecting plate 5 is fixed on the lower side of the arc-shaped clamping semi-ring 1 through a bolt and a nut, a lower threaded rod 12 is rotatably connected to the upper surface of the inner side of the lower connecting plate 5, a thread adjusting sleeve 11 is connected to the lower threaded rod 12 in a threaded manner, an upper threaded rod 10 is connected to the upper side of the thread adjusting sleeve 11 in a threaded manner, an arc abutting plate 9 is fixed at the top end of the upper threaded rod 10, and the inner arc surface of the arc abutting plate 9 abuts against the outer circumferential surface of the power transmission protective sleeve 2.
In an alternative embodiment, the convex plates 4 extending outwards are fixed on the sides of the lower connecting plate 5 and the arc-shaped clamping semi-ring 1, which are in contact with each other, the convex plates 4 on the same side are arranged up and down, and the two convex plates 4 arranged up and down are locked and fixed through bolts and nuts.
In an alternative embodiment, a plurality of limiting protrusions 31 clamped in the gap between two adjacent aluminum cores 6 are equidistantly fixed on the inner circumferential surface of the limiting sleeve 3.
In an alternative embodiment, an arc-shaped flange 8 extending downwards is fixed on the outer circumferential surface of the power transmission protection sleeve 2, and an arc-shaped groove for accommodating the arc-shaped flange 8 is formed on the inner arc-shaped surface of the arc-shaped abutting plate 9.
In an alternative embodiment, the inner side of the lower connecting plate 5 is integrally processed with a straight portion, the upper side of the straight portion of the lower connecting plate 5 and the outer arc surface of the arc abutting plate 9 are fixedly embedded with bearings, and the lower threaded rod 12 and the upper threaded rod 10 are fixedly connected with the inner rings of the two bearings respectively.
The working principle is as follows: the existing steel-cored aluminum strand cannot be effectively fixed, so that the aluminum core with the spiral outer side is easy to move outwards to influence the current carrying capacity and the power loss in power transmission, in the embodiment, the aluminum core 6 is protected by the limiting sleeve 3, the aluminum core 6 which is spirally wound keeps a certain distance without displacement by the limiting protrusion 31, then the arc-shaped clamping semi-ring 1 is clamped outside the power transmission protective sleeve 2, the lower connecting plate 5 is clamped at the lower side of the power transmission protective sleeve 2, the arc-shaped clamping semi-ring 1 is butted with the convex plate 4 on the lower connecting plate 5, finally, the arc-shaped clamping semi-ring 1 is locked and fixed by bolts and nuts, the assembly of the arc-shaped clamping semi-ring 1 on the lower connecting plate 5 is completed, then the thread adjusting sleeve 11 is rotated, the upper threaded rod 10 moves upwards, and the arc-shaped butting plate 9 moves upwards, and the messenger is with arc flange 8 joint in the arc wall of arc butt joint board 9, along with shifting up of arc butt joint board 9 to tightly push up power transmission protective sheath 2, and then avoid 6 spiral helicine destruction to aluminium core, guaranteed the current-carrying capacity among the power transmission, reduced power loss.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (5)
1. A high-current-carrying low-loss steel-cored aluminum strand comprises a steel core (7) positioned in the middle and an aluminum core (6) which is spirally wound on the outer side of the steel core (7), and is characterized in that a limiting sleeve (3) which covers the aluminum core (6) is arranged on the outer side of the aluminum core (6), a power transmission protective sleeve (2) is sleeved on the outer side of the limiting sleeve (3), an arc-shaped clamping semi-ring (1) is arranged on the upper side of the power transmission protective sleeve (2), a lower connecting plate (5) is fixed on the lower side of the arc-shaped clamping semi-ring (1) through a bolt and a nut, a lower threaded rod (12) is rotatably connected to the upper surface of the inner side of the lower connecting plate (5), a thread adjusting sleeve (11) is connected to the upper thread of the lower threaded rod (12), an upper threaded rod (10) is connected to the upper thread of the thread adjusting sleeve (11), and an arc-shaped abutting plate (9) is fixed to the top end of the upper threaded rod (10), the inner arc-shaped surface of the arc abutting plate (9) is abutted with the outer circumference surface of the power transmission protective sleeve (2).
2. The high current-carrying low-loss steel-cored aluminum strand as recited in claim 1, wherein the side of the lower connecting plate (5) contacting the arc-shaped clamping semi-ring (1) is fixed with a convex plate (4) extending outwards, the convex plates (4) on the same side are arranged up and down, and the two convex plates (4) arranged up and down are locked and fixed by bolts and nuts.
3. A high current-carrying low-loss steel-cored aluminum strand as claimed in claim 1, wherein a plurality of limiting protrusions (31) are equidistantly fixed on the inner circumferential surface of the limiting sleeve (3) and are clamped in the gap between two adjacent aluminum cores (6).
4. A high current-carrying low-loss steel-cored aluminum strand as claimed in claim 1, wherein the outer circumferential surface of the power transmission protection sheath (2) is fixed with an arc-shaped flange (8) extending downwards, and the inner arc-shaped surface of the arc-shaped abutting plate (9) is provided with an arc-shaped groove for the arc-shaped flange (8) to be arranged.
5. A high current-carrying low-loss steel-cored aluminum strand as claimed in claim 1, wherein the inner side of the lower connecting plate (5) is integrally formed with a straight portion, the bearings are fixedly embedded on the upper side of the straight portion of the lower connecting plate (5) and the outer arc surface of the arc abutting plate (9), and the lower threaded rod (12) and the upper threaded rod (10) are respectively and fixedly connected with the inner rings of the two bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120276161.9U CN214796866U (en) | 2021-02-01 | 2021-02-01 | High-current-carrying low-loss steel-cored aluminum stranded wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120276161.9U CN214796866U (en) | 2021-02-01 | 2021-02-01 | High-current-carrying low-loss steel-cored aluminum stranded wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214796866U true CN214796866U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120276161.9U Active CN214796866U (en) | 2021-02-01 | 2021-02-01 | High-current-carrying low-loss steel-cored aluminum stranded wire |
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| Country | Link |
|---|---|
| CN (1) | CN214796866U (en) |
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2021
- 2021-02-01 CN CN202120276161.9U patent/CN214796866U/en active Active
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