CN210535398U

CN210535398U - Steel-aluminum composite twisted large-section lead

Info

Publication number: CN210535398U
Application number: CN201921594847.1U
Authority: CN
Inventors: 窦恩松; 窦恩栋; 赵润坤
Original assignee: Tianjin Mingxin Electronics Co ltd
Current assignee: Tianjin Mingxin Electronics Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-05-15
Anticipated expiration: 2029-09-24

Abstract

The utility model provides a steel-aluminum composite twisted large-section wire. The big cross-section wire of compound hank system of steel aluminium includes waterproof skin, waterproof outer inside central point puts and is equipped with the aluminium core, waterproof outer inside wall complex connection has first insulation cushion, and waterproof outer lateral wall complex connection has the honeycomb layer to keep away from first insulation cushion, and the lateral wall passes through reinforced structure in the honeycomb layer to be connected in steel aluminium complex district, and steel aluminium complex district internally mounted has the first steel strand wires that the annular set up, and the insulating cushion of second is connected to steel aluminium complex district medial surface. The utility model provides a compound hank system of steel aluminium large cross-section wire has can material saving through the honeycomb layer, and reduce cost still has flame retardant efficiency, and the inside porous of honeycomb layer can reach the effect of unloading, can cushion the external world and receive wind-force, and porous and first insulation cushion area of contact are less on the honeycomb layer, and external heat transfer is less to reach thermal-insulated effect, the course of working is simple relatively, the advantage of the input production processing of being convenient for.

Description

Steel-aluminum composite twisted large-section lead

Technical Field

The utility model relates to a hank system large cross-section wire technical field especially relates to a compound hank system large cross-section wire of steel aluminium.

Background

Refer to chinese utility model a steel aluminium composite stranding system large cross-section wire (patent publication is CN 208014428U), including steel strip armor protective sheath, aluminium core, first steel strand wires and second steel strand wires, be provided with the buffer layer on the inner wall of steel strip armor protective sheath, and the inside buffer spring that evenly installs of buffer layer, the inside intermediate position department of steel strip armor protective sheath is provided with steel aluminium composite region. The utility model discloses an install metal aluminium shielding layer and insulating cushion, not only can avoid external magnetic field to cause the influence to the device to can avoid the phenomenon of taking place the short circuit between each electrically conductive core, thereby the security when having improved the device and using.

The buffer springs are evenly arranged in the buffer layer, so that the phenomenon that the traditional steel-aluminum composite twisted large-section wire is easily subjected to mechanical fatigue due to the fact that the traditional steel-aluminum composite twisted large-section wire is in a breeze vibration state for a long time is avoided, the number of the installed springs is certain and quite large, the spring is installed between each layer, time and cost are consumed, and the practicability is not realized.

Therefore, there is a need to provide a new steel-aluminum composite twisted large-section wire to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can material saving through the honeycomb layer, reduce cost still has flame retardant efficiency, and the inside porous of honeycomb layer can reach the effect of unloading, can cushion the external world and receive wind-force, and porous and first insulation cushion area of contact are less on the honeycomb layer, and external heat transfer is less to reach thermal-insulated effect, the course of working is simple relatively, the compound stranding system large cross-section wire of steel aluminium of being convenient for put into production and processing.

The utility model provides a steel aluminium composite stranding large-section wire includes: waterproof outer, waterproof outer inside central point puts and is equipped with the aluminium core, waterproof outer inside wall complex connection has first insulating cushion, waterproof outer lateral wall complex connection has the honeycomb layer is kept away from to first insulating cushion, the inboard wall of honeycomb layer passes through reinforced structure and connects in the compound district of steel aluminium, the compound district internally mounted of steel aluminium has the first steel strand wires that the annular set up, the insulating cushion of second is connected to the compound district medial surface of steel aluminium, the fire-retardant district is connected to the insulating cushion medial surface of second, fire-retardant district internally mounted has the second steel strand wires that the annular set up, the aluminium core is inlayed and is put into fire-retardant district central point.

Preferably, reinforced structure includes skin, nexine and spiral aluminium silk in, and the nexine is connected to outer medial surface, and outer lateral surface is connected with the medial surface on honeycomb layer, and the nexine medial surface is connected with steel aluminium composite region's lateral surface, and the nexine lateral surface is equipped with the spiral and encircles respective helicla flute, and spiral aluminium silk is inlayed in the helicla flute inside wall.

Preferably, the cross-sectional thickness of the spiral aluminum wire is smaller than the depth of the spiral groove.

Preferably, the waterproof outer layer material is polyethylene, and the outer lateral surface of the waterproof outer layer is provided with a plurality of arc-shaped protrusions which are annularly arranged, and a sunken arc is formed between the two arc-shaped protrusions.

Preferably, the first and second insulating cushion materials are silicone rubber.

Preferably, the flame retardant zone material is polyvinyl chloride.

Compared with the prior art, the utility model provides a steel-aluminum composite twisted large-section wire has as follows

Has the advantages that:

the utility model provides a steel-aluminum composite stranding large-section wire, which can save materials through a honeycomb layer, reduce cost and has a flame retardant effect, and the honeycomb layer is internally provided with a plurality of holes, can achieve the force unloading effect and can buffer the external wind force, the contact area between the plurality of holes on the honeycomb layer and a first insulating cushion is smaller, the external heat transfer is less, thereby achieving the heat insulation effect, the processing process is relatively simple, the production and the processing are convenient to put into operation, and the practicability is realized; the overall strength can be reinforced by passing through the spiral aluminum wire, and an aluminum layer in the whole area is not adopted, so that the material input amount is small, and the weight of the whole lead is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a steel-aluminum composite twisted large-section wire provided by the present invention;

fig. 2 is a partial cross-sectional structural view of the exterior of the reinforcing structure shown in fig. 1.

Reference numbers in the figures: 1. a waterproof outer layer; 2. a first insulating cushion; 3. a honeycomb layer; 4. reinforcing the structure; 5. A steel-aluminum composite zone; 6. a first steel strand; 7. an aluminum core; 8. a second steel strand; 9. a flame retardant zone; 10. a second insulating pad; 41. an outer layer; 42. an inner layer; 43. a helical groove; 44. and (4) spiral aluminum wires.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a steel-aluminum composite twisted large-section wire according to the present invention; fig. 2 is a partial cross-sectional structural view of the exterior of the reinforcing structure shown in fig. 1. The compound system large cross-section wire of twisting of steel aluminium includes: a waterproof outer layer 1.

In the specific implementation process, as shown in fig. 1 and fig. 2, an aluminum core 7 is arranged at the center of the inside of the waterproof outer layer 1, the inner side wall of the waterproof outer layer 1 is connected with a first insulating cushion 2 in a compounding manner, the side wall of the first insulating cushion 2 far away from the waterproof outer layer 1 is connected with a honeycomb layer 3 in a compounding manner, the inner side wall of the honeycomb layer 3 is connected with a steel-aluminum composite area 5 through a reinforcing structure 4, a first steel strand 6 arranged in an annular manner is arranged inside the steel-aluminum composite area 5, the inner side surface of the steel-aluminum composite area 5 is connected with a second insulating cushion 10, the inner side surface of the second insulating cushion 10 is connected with a flame retardant area 9, a second steel strand 8 arranged in an annular manner is arranged inside the flame retardant area 9, the aluminum core 7 is embedded into the center of the flame retardant area 9, it is noted that the instant force of manual breeze vibration can be buffered through the first insulating cushion 2, guarantee long-time life, honeycomb layer 3 can material saving, and reduce cost still has flame retardant efficiency, and honeycomb layer 3 is inside porous, can reach the effect of unloading power, can cushion the external world and receive wind-force, and porous and 2 area of contact of first insulation cushion are less on the honeycomb layer 3, and external heat transfer is less to reach thermal-insulated effect.

Referring to fig. 1 and 2, the reinforcing structure 4 includes an inner layer 41, an inner layer 42 and a spiral aluminum wire 44, the inner layer 42 is connected to the inner side of the outer layer 41, the outer side of the outer layer 41 is connected to the inner side of the honeycomb layer 3, the inner side of the inner layer 42 is connected to the outer side of the steel-aluminum composite area 5, the outer side of the inner layer 42 is provided with a spiral encircling spiral groove 43, the spiral aluminum wire 44 is embedded in the inner side wall of the spiral groove 43, the overall strength can be reinforced by the spiral aluminum wire 44, the whole area aluminum layer is not adopted, the material input amount is small, and the weight of the whole lead.

The cross-sectional thickness of the spiral aluminum wire 44 is smaller than the depth of the spiral groove 43.

Referring to fig. 1, waterproof skin 1 material is polyethylene, and waterproof skin 1 lateral surface is equipped with the arc arch that a plurality of annular set up, forms sunken arc between two arc archs, and the arc arch receives external force extrusion, produces sunkenly, receives self material elastic action, can restore its arc protruding state, can cushion external wind-force and produce the vibrations process, guarantees life.

Wherein, the first insulating soft cushion 2 and the second insulating soft cushion 10 are made of silicon rubber

The flame-retardant zone 9 is made of polyvinyl chloride, so that combustion is not easy to occur, and the electricity utilization safety is improved.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a compound stranding of steel aluminium system large cross section wire which characterized in that includes: waterproof outer (1), the inside central point of waterproof outer (1) puts and is equipped with aluminium core (7), the inside wall complex connection of waterproof outer (1) has first insulation cushion (2), the lateral wall complex connection that waterproof outer (1) was kept away from in first insulation cushion (2) has honeycomb layer (3), honeycomb layer (3) inside wall passes through reinforced structure (4) and connects in steel aluminium complex district (5), steel aluminium complex district (5) internally mounted has first steel strand wires (6) that the annular set up, steel aluminium complex district (5) medial surface connects second insulation cushion (10), fire-retardant district (9) is connected to second insulation cushion (10) medial surface, fire-retardant district (9) internally mounted has second steel strand wires (8) that the annular set up, inlay into fire-retardant district (9) central point in aluminium core (7).

2. The steel-aluminum composite twisted large-section lead according to claim 1, wherein the reinforcing structure (4) comprises an inner layer and an outer layer (41), an inner layer (42) and a spiral aluminum wire (44), the inner layer (42) is connected with the inner side surface of the outer layer (41), the outer side surface of the outer layer (41) is connected with the inner side surface of the honeycomb layer (3), the inner side surface of the inner layer (42) is connected with the outer side surface of the steel-aluminum composite area (5), spiral surrounding spiral grooves (43) are formed in the outer side surface of the inner layer (42), and the spiral aluminum wire (44) is embedded in the inner side wall of each spiral groove (43).

3. A steel-aluminium composite twisted large-section wire according to claim 2, wherein the cross-sectional thickness of the helical aluminium wire (44) is smaller than the depth of the helical groove (43).

4. The steel-aluminum composite stranded large-section lead according to claim 1, wherein the waterproof outer layer (1) is made of polyethylene, a plurality of arc-shaped protrusions are annularly arranged on the outer side surface of the waterproof outer layer (1), and a concave arc is formed between the two arc-shaped protrusions.

5. A steel-aluminium composite twisted large-section conductor according to claim 1, wherein the material of the first insulating soft pad (2) and the second insulating soft pad (10) is silicon rubber.

6. A steel-aluminium composite twisted large-section conductor according to claim 1, characterised in that the flame-retardant zone (9) material is polyvinyl chloride.