Method for producing corrosion-resistant overhead line based on double-plating-tank system

Abstract

The invention discloses a method for producing a corrosion-resistant overhead line based on a double-plating tank system. The method comprises the following steps: horizontally arranging a frame strander, an electrolyte tank I and an electrolyte tank II; a stranding disc is arranged on the side wall of the electrolyte tank; and the steel core passes through the frame stranding machine, the electrolyte tank I and the electrolyte tank II in sequence. The aluminum wire firstly horizontally penetrates through the two wire twisting discs on the first electrolyte pool, then penetrates through the wire twisting disc on the second electrolyte pool, and then is twisted with the steel core in the second electrolyte pool. And the frame stranding machine and the three wire stranding discs synchronously rotate around the steel core to twist the aluminum wires penetrating through the wire stranding discs on the steel core. According to the method, an existing stranding mode that the frame stranding machine and the plating tanks are stacked up and down is improved, the frame stranding machine and the double-plating-tank system are horizontally arranged, equipment installation and aluminum wire feeding are simpler, the electrolyte circulating system and the electrolyte tank can be arranged on the same plane, the fall between the electrolyte tank and the electrolyte circulating system is reduced, and energy consumption of a water pump is reduced.

Description

Technical Field

[0001] The invention relates to the field of overhead lines, and in particular to a method for producing corrosion-resistant overhead lines based on a double-plating pool system. Background Art

[0002] Patent CN118888222B discloses a production equipment for corrosion-resistant overhead lines, which vertically stacks a frame stranding machine and two electrolyte tanks. Although this can make the ceramic film layer on the surface of the steel core and aluminum conductor grow more uniformly, the entire equipment is difficult to install. The vertical setting of the frame stranding machine is inconvenient for loading, and the large height difference between the two electrolyte tanks causes high energy consumption of the circulating water pump. Summary of the Invention

[0003] The purpose of the present invention is to provide a method for producing corrosion-resistant overhead lines based on a dual plating pool system, which improves the problems of difficult installation, inconvenient loading and high energy consumption of circulating water pumps in existing production equipment without affecting the uniformity of ceramic film growth.

[0004] In order to achieve the above-mentioned purpose of the invention, the technical solution of the present invention is as follows:

[0005] A method for producing corrosion-resistant overhead wires based on a dual-plating bath system, comprising:

[0006] (1) Arrange the frame stranding machine, electrolyte tank 1, and electrolyte tank 2 in sequence in the horizontal direction, place the cylindrical electrode 1 and the cylindrical electrode 2 flatly in the two electrolytic tanks, respectively, and connect the two electrolyte tanks to two independent electrolyte circulation systems;

[0007] (2) A cable drum is provided on each of the two end side walls of electrolyte cell 1 and the side wall of electrolyte cell 2 close to electrolyte cell 1. The cable drum is mounted on the side wall of the electrolyte cell through a bearing assembly. A wiring hole is provided on the other side wall of electrolyte cell 2. A center hole is provided in the center of the cable drum, and a plurality of wire holes are provided around the center hole.

[0008] (3) Pre-coating an insulating film layer on the surface of the steel core, and pulling the steel core from left to right through the frame stranding machine, electrolyte tank 1 and electrolyte tank 2 in sequence by the pulling device, the steel core passes through the center hole, and the aluminum wire passes through the wire hole; after the aluminum wire is drawn out from the frame stranding machine, it first passes horizontally through the two stranding drums on electrolyte tank 1, then passes through the stranding drum on electrolyte tank 2, and then is twisted with the steel core in electrolyte tank 2;

[0009] (4) The cylindrical electrode 1 and the cylindrical electrode 2 are respectively connected to an oxidizing power source so that the electrolyte pool 1 and the electrolyte pool 2 form a double plating pool system;

[0010] (5) Open two electrolyte circulation systems to immerse the two cylindrical electrodes in the electrolyte;

[0011] Turn on the oxidation power supply to cause the aluminum conductor and the steel core surface to undergo thermoelectrochemical oxidation reaction simultaneously;

[0012] Turn on the frame stranding machine and stranding drum. The frame stranding machine and three stranding drums rotate synchronously around the steel core to strand the aluminum conductor passing through the stranding drum onto the steel core. The stranding point of the aluminum conductor and the steel core is located in the second cylindrical electrode. The stranded corrosion-resistant overhead wire passes through the wiring hole.

[0013] Preferably, in (2), the installation method of the winch drum includes: providing a bearing seat on the side wall of the electrolyte tank, providing an annular flange on the winch drum, installing an annular bearing on the annular flange, and assembling the annular bearing in the bearing seat.

[0014] Preferably, in (5), the method for synchronous rotation of the frame stranding machine and the stranding drum is: an interlayer is set on the side wall of the electrolyte cell, a motor is set in the interlayer, a gear is installed on the output shaft of the motor, a gear ring is set on the outer edge of the stranding drum, the gear and the gear ring are engaged, and the stranding drum and the frame stranding machine are driven to rotate synchronously by the rotation of the motor.

[0015] Preferably, in (3), the aluminum wire in the electrolyte tank 1 passes horizontally through the cylindrical electrode 1.

[0016] Compared with the prior art, the beneficial technical effects of the present invention are:

[0017] The present invention provides a method for producing corrosion-resistant overhead wires based on a dual-plating tank system, which improves the existing twisting method of stacking a frame stranding machine and a plating tank above and below. The frame stranding machine and the dual-plating tank system are arranged horizontally, which simplifies equipment installation and aluminum wire feeding. The electrolyte circulation system can be arranged on the same plane as the electrolyte tank, reducing the height difference between the electrolyte tank and the electrolyte circulation system and reducing water pump energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of part of the equipment of the method in Example 1 of the present invention.

[0019] Figure 2 Schematic diagram of the structure of the winding drum in Example 1 of the present invention.

[0020] Figure 3 This is a schematic diagram of the coordination of the wire drum and the motor in the interlayer of the plating tank side wall in Example 1 of the present invention. DETAILED DESCRIPTION

[0021] The following describes the technical solution of the present invention in a clear and complete manner, with reference to specific embodiments. The pre-coated insulating film, the simultaneous plating of the steel core and aluminum conductor in the same bath, the electrolyte and its circulation system, the oxidizing power source, the plating bath system, and the silicone plugs involved are all prior art. For details, reference may be made to the disclosures in patents CN118087000B, CN118888222B, and CN218561666U.

[0022] Example 1

[0023] like Figure 1-3 As shown, a method for producing corrosion-resistant overhead wires based on a dual-plating system is described. The equipment used includes a stranding machine (not shown), electrolyte cell 1, electrolyte cell 2, and cylindrical electrode 2, respectively. The stranding machine is located on one side. The cylindrical electrode is placed flat in the electrolytic cell, which contains electrolyte. Each electrolyte cell is connected to an independent electrolyte circulation system. The cylindrical electrodes are immersed in the electrolyte. A steel core 3 passes horizontally from left to right through the stranding machine, electrolyte cell 1, and electrolyte cell 2, respectively. The surface of the steel core 3 is pre-coated with an insulating film.

[0024] A cable drum 5 is located on each end of the electrolyte cell 1 and on the left side of the second electrolyte cell 1'. A cable routing hole 101 is located on the right side of the electrolyte cell 1'. The cable drum 5 has a central hole 501, surrounded by ten cable holes 502, distributed axially symmetrically around the central hole 501. A steel core 3 passes through the central hole 501 through both electrolyte cells 1 and 2, 1', and is positioned on the axis of the two cylindrical electrodes. Aluminum conductor 6 is drawn from a stranding machine and horizontally passes through three stranding drums before entering the electrolyte cell 1'. The stranding machine rotates around the steel core 3, and the three stranding drums 5 rotate synchronously with the machine, stranding the aluminum conductor 6 that has passed through the stranding drums 5 onto the steel core 3. The junction between the aluminum conductor 6 and the steel core 3 is located within the second cylindrical electrode 2'. The stranded, corrosion-resistant overhead wire 7 then exits the cable routing hole 101. The center hole 501, the wire hole 502 and the wiring hole 101 are all equipped with silicone plugs, through which the steel core 3 and the aluminum wire 6 pass. The cylindrical electrode 1 2 and the cylindrical electrode 2 2' are connected to the oxidation power supply respectively.

[0025] The winding drum 5 is mounted on the side wall of the electrolyte tank via a bearing assembly. The bearing assembly comprises an annular bearing and a bearing seat, with the bearing seat positioned on the side wall. The winding drum 5 has an annular flange 503, affixed to the annular bearing, and assembled within the bearing seat. The electrolyte tank side wall where the winding drum 5 is mounted has an interlayer 102, within which is a motor 8. A gear is mounted on the output shaft of the motor 8. A gear ring is meshed with the gear ring on the outer edge of the winding drum 5 (the area with a smaller diameter than the annular flange). Driven by the motor 8, the winding drum 5 rotates synchronously with the frame stranding machine. The winding drum 5, mounted on the side wall of the plating tank, strands the aluminum conductor 6 onto the steel core 3. The steel core 3 undergoes two oxidation cycles as it travels within the two cylindrical electrodes. The aluminum conductor 6 undergoes oxidation and plating while rotating within cylindrical electrode 1 2. The aluminum conductor 6 undergoes two oxidation cycles within cylindrical electrode 2 2' while stranding. Each aluminum wire 6 rotates around the axis of the cylindrical electrode within the two cylindrical electrodes, so as to generate a uniform ceramic film layer in a manner that the aluminum wires are subjected to the same thermo-electrochemical oxidation conditions.

Claims

1. A method for producing corrosion-resistant overhead wires based on a dual plating pool system, characterized in that: (1) Arrange the frame stranding machine, electrolyte tank 1, and electrolyte tank 2 in sequence in the horizontal direction, place the cylindrical electrode 1 and the cylindrical electrode 2 flatly in the two electrolytic tanks, respectively, and connect the two electrolyte tanks to two independent electrolyte circulation systems; (2) A cable drum is provided on each of the two end side walls of electrolyte cell 1 and the side wall of electrolyte cell 2 close to electrolyte cell 1. The cable drum is mounted on the side wall of the electrolyte cell through a bearing assembly. A wiring hole is provided on the other side wall of electrolyte cell 2. A center hole is set in the center of the winch drum, and a number of wire holes are set around the center hole; (3) Pre-coating an insulating film layer on the surface of the steel core, and pulling the steel core from left to right through the frame stranding machine, electrolyte tank 1 and electrolyte tank 2 in sequence by the pulling device, the steel core passes through the center hole, and the aluminum wire passes through the wire hole; after the aluminum wire is drawn out from the frame stranding machine, it first passes horizontally through the two stranding drums on electrolyte tank 1, then passes through the stranding drum on electrolyte tank 2, and then is twisted with the steel core in electrolyte tank 2; (4) The cylindrical electrode 1 and the cylindrical electrode 2 are respectively connected to an oxidizing power source so that the electrolyte pool 1 and the electrolyte pool 2 form a double plating pool system; (5) Open two electrolyte circulation systems to immerse the two cylindrical electrodes in the electrolyte; Turn on the oxidation power supply to cause the aluminum conductor and the steel core surface to undergo thermoelectrochemical oxidation reaction simultaneously; Turn on the frame stranding machine and stranding drum. The frame stranding machine and three stranding drums rotate synchronously around the steel core to strand the aluminum conductor passing through the stranding drum onto the steel core. The stranding point of the aluminum conductor and the steel core is located in the second cylindrical electrode. The stranded corrosion-resistant overhead wire passes through the wiring hole.

2. The method according to claim 1, characterized in that (2) The method for installing the winding drum includes: setting a bearing seat on the side wall of the electrolyte tank, setting an annular flange on the winding drum, installing an annular bearing on the annular flange, and assembling the annular bearing in the bearing seat.

3. The method according to claim 1 or 2, characterized in that In (5), the method for synchronous rotation of the frame stranding machine and the stranding drum is as follows: an interlayer is provided on the side wall of the electrolyte cell, a motor is provided in the interlayer, a gear is installed on the output shaft of the motor, a gear ring is provided on the outer edge of the stranding drum, the gear and the gear ring are engaged, and the stranding drum and the frame stranding machine are driven to rotate synchronously by the rotation of the motor.

4. The method according to claim 1, wherein In (3), the aluminum wire in the electrolyte tank 1 passes horizontally through the cylindrical electrode 1.

Images