Marine resistant high current carrying floor power socket cable assembly

Abstract

The present invention provides a marine-resistant high-current-carrying ground power socket cable assembly, which solves the problem that the environmental resistance performance of the existing ground power socket cable assembly cannot meet the use requirements. The present invention includes a cover, a rubber pad, a splint, a socket housing, an insulator, a wire pressing body, a first pin, a second pin, a third pin, a first sealing gasket, an end cover, a pressure plate, a signal line, a positive line and a negative line. The socket cable assembly of the present invention can be quickly connected to the ground power plug to transmit 28V direct current with a rated current of 500A to the aircraft electrical system; it has excellent resistance to marine environment and shipboard mechanical environment; the overall structure is simplified in design, has the characteristics of good heat dissipation, large current carrying capacity, high overload capacity and light weight, and the wire is soft and easy to bend.

Description

Technical Field

[0001] The present invention belongs to the technical field of ground power sockets, and relates to a marine-resistant high-current-carrying ground power socket cable assembly. The present invention is installed in the equipment compartment outside the aircraft air inlet. When the aircraft is in the ground preparation stage or maintenance and troubleshooting, the ground power plug and the socket assembly cooperate to provide 28V DC power to the aircraft electrical system. Background Art

[0002] At present, in addition to marine corrosion resistance, more stringent requirements are put forward for ground power sockets on their environmental adaptability. The sockets should be able to withstand the impact of mechanical vibration, impact, acceleration, high temperature, low temperature, rain, sand and dust and other environmental conditions that may be encountered during the entire life cycle and maintain normal operation. The existing ground power socket cables cannot meet the use requirements in terms of environmental resistance. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a marine-resistant high-current-carrying ground power socket cable assembly. The socket cable assembly of the present invention can be quickly connected with the ground power plug to transmit 28V DC with a rated current of 500A to the aircraft electrical system; it has excellent resistance to marine environment and shipboard mechanical environment; the overall structure is simplified in design, has the characteristics of good heat dissipation, large current carrying capacity, high overload capacity and light weight, and the wire is soft and easy to bend.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a marine-resistant high-current-carrying ground power socket cable assembly, which includes a cover, a rubber pad, a clamp, a socket shell, an insulator, a wire pressing body, a first pin, a second pin, a third pin, a first sealing gasket, an end cover, a pressure plate, a signal line, a positive line and a negative line. An insulator is installed inside the socket shell, and the first pin, the second pin and the third pin are installed in the hole cavity of the insulator. The solder cups at the ends of the first pin, the second pin and the third pin are all placed in the groove of the insulator. A wire pressing body is provided at the ends of the first pin, the second pin and the third pin, and an end cover is installed at the end of the wire pressing body. The end cover is connected to the socket shell. The tail end face is fixed by screws, and a first sealing gasket is installed between the end cover and the tail end face of the socket shell, and the insulator, the first pin, the second pin, the third pin and the wire pressing body are fixed inside the socket shell. A pressing plate is provided below the end cover, and the pressing plate is fixed to the tail end face of the socket shell by screws. The solder cups at the ends of the first pin, the second pin and the third pin are respectively fixed with the signal line, the positive line and the negative line by high-temperature welding. The signal line, the positive line and the negative line pass through the wire pressing body and then pass out through the pressing plate. The pressing plate presses the wire pressing body and then clamps the signal line, the positive line and the negative line; a rubber pad and a clamping plate are installed in sequence between the mouth cover and the socket shell, and the mouth cover, the rubber pad, the clamping plate and the front end face of the socket shell are fixed by screws.

[0005] Furthermore, the mouth cover includes a lid, a rotating assembly and a mounting plate. The lid is rotatably buckled on the opening above the mounting plate through the rotating assembly. A waist-shaped hole is provided on the rubber pad. The edge of the waist-shaped hole extends outward to form a circle of protrusions, and the circle of protrusions is placed in the waist-shaped groove of the mounting plate. When the lid is buckled with the mounting plate, the bottom surface of the lid is pressed against the rubber pad, and the circle of protrusions on the rubber pad are forced to expand outward into a trumpet shape, which cooperates with the bottom of the lid to achieve sealing.

[0006] Furthermore, the cover includes a cover plate, multiple rivets, multiple bushings, a button, a latch, a spring sheet and a base. The cover plate and the base are riveted and fixed by multiple rivets. A bushing is provided on the outside of each rivet for supporting and fixing the rivet. A mounting hole is provided on the cover plate. The button is fixed to the latch as a whole by rivets. Openings are respectively provided on the front and rear sides of the base. The spring sheet is in a curved arc shape, and the bottom of the rear end of the spring sheet is clamped in the rear opening of the base. The bottom of the front end is placed in the base, and the top is in contact with the bottom of the latch. The spring sheet provides a pre-tightening force. The button is placed in the mounting hole and can move back and forth in the mounting hole. The position of the latch corresponds to the front opening of the base. The button controls the extension and retraction of the latch by moving back and forth, thereby realizing the locking and unlocking of the cover. A lock hole matching the latch is provided on the inner side of the front end of the mounting plate.

[0007] Furthermore, the overall width W of the rubber pad is 10.5 mm.

[0008] Furthermore, the socket housing and the pressing plate are both made of aluminum alloy, and the outer layer of the aluminum alloy has a coating that is successively processed by aluminum alloy anodizing and electrostatic spraying.

[0009] Furthermore, the mounting plate is made of aluminum alloy, and the outer layer of the aluminum alloy has a coating that is successively processed by aluminum alloy anodizing and electrostatic spraying.

[0010] Furthermore, the positive wire includes a first wire, a first black heat shrink tube, a first wire joint, two first wire number marking plates and a QR code identification plate, the end of the first wire is connected to the first wire joint by crimping, and a first black heat shrink tube is blown and shrunk on the periphery of the crimping point to protect the crimping point, and two first wire number marking plates and a QR code identification plate are provided on the periphery of the first wire; the negative wire includes a second wire, a second black heat shrink tube, a second wire joint and a second wire number marking plate, the end of the second wire is connected to the second wire joint by crimping, and a second black heat shrink tube is blown and shrunk on the periphery of the crimping point to protect the crimping point, and a second wire number marking plate is provided on the periphery of the second wire.

[0011] Furthermore, the first conductive wire and the second conductive wire each include a plurality of soft silver-plated copper core conductors, and the outer circumference of the conductor is coated with fluoroplastic.

[0012] Furthermore, the signal line includes a third conductive wire, and a third wire number marking plate is provided on the outer periphery of the third conductive wire.

[0013] Furthermore, the rubber pad, the wire pressing body and the first sealing pad are all made of silicone rubber 6150; the clamping plate is made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

[0014] Furthermore, a second sealing gasket is provided at the front end of the mouth cover, and the second sealing gasket is made of silicone rubber 6150.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The socket housing, the pressing plate and the mounting plate of the ground power socket of the present invention are made of aluminum alloy, and the outer layer of the aluminum alloy has a coating layer that has been successively processed by aluminum alloy anodization and electrostatic spraying. The cover plate, the bottom plate, the U-shaped ring, the first shaft, the second shaft, the first spring, the second spring and the clamping plate are all made of stainless steel, and the outer layer of the stainless steel has a coating layer that has been processed by passivation. The rubber pad, the pressing wire body, the first sealing pad and the second sealing pad are all made of silicone rubber 6150. The first wire and the second wire both include multiple strands of soft silver-plated copper core conductors, and the outer periphery of the conductor is coated with fluoroplastics. These three improvements make the product resistant to mildew. Bacteria (GJB150.10A species group 2 + Scopulariopsis short-handledus, 28 days, mildew assessment level is not inferior to level 2) and acidic salt spray (240h) environment, combined with the overall width of the rubber pad is increased from the original 8mm to 10.5mm, when the cover is closed, it is squeezed and sealed with the internal rubber pad, and a circle of protrusions on the rubber pad is forced to expand outward into a trumpet shape, and a second sealing gasket is arranged at the front end of the mounting plate of the cover to improve the sealing performance of the docking with the equipment panel, and the signal line, positive line and negative line are fixed by the wire pressing body, and the sealing performance is improved, thereby greatly improving the product's resistance to marine environment corrosion.

[0017] In summary, the socket of the present invention can be quickly connected to a ground power plug to transmit 28V DC power with a rated current of 500A to the aircraft electrical system; it has excellent resistance to marine environment and shipboard mechanical environment; the overall structure is simplified in design, with the characteristics of good heat dissipation, large current carrying capacity, high overload capacity and light weight, and the wire is soft and easy to bend. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the disassembled structure of some parts of the socket of the present invention;

[0020] Figure 3 is a cross-sectional view of a socket of the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the rubber pad;

[0022] Figure 5 yes Figure 4 A front view of

[0023] Figure 6 It is a structural schematic diagram of the wire pressing body;

[0024] Figure 7 is a schematic diagram of the connection structure between the first wire and the second pin;

[0025] Figure 8 is a schematic diagram of the connection structure between the first wire and the third pin;

[0026] Fig. 9 is a schematic diagram of the connection structure between the signal line and the first pin;

[0027] Fig.10 It is a schematic diagram of the structure of the mouth cover;

[0028] Fig.11 This is a disassembly diagram of the parts of the mouth cover;

[0029] Fig.12 This is a disassembly diagram of the parts of the cover;

[0030] Fig.13 This is a schematic diagram of the installation of the button, latch, spring sheet and base;

[0031] In the figure: 1-mouth cover; 101-lid; 1011-cover plate; 10111-mounting hole; 1012-rivet; 1013-bushing; 1014-button; 10141-limiting platform; 1015-latch; 1016-spring sheet; 1017-base; 1018-connecting part; 102-mounting plate; 1021-mounting ear; 1022-locking hole; 103-U-shaped ring; 1031-first end; 1032-second end; 104-first rotating shaft; 105-second rotating shaft; 106-first spring; 107-second spring; 2-rubber pad; 2-1-protrusion; 3- clamping plate; 4- socket housing; 5- insulator; 6- wire pressing body; 7- first pin; 8- second pin; 9- third pin; 10- first sealing pad; 11- end cover; 12- pressing plate; 13- signal line; 14- positive line; 15- negative line; 16- second sealing pad; 17- first wire; 18- first black heat shrink tube; 19- first wire joint; 20- first wire number mark; 21- QR code identification plate; 22- third wire; 23- third wire number mark; 24- second wire; 25- second black heat shrink tube; 26- second wire joint; 27- second wire number mark. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0033] Reference Figure 1-Figure 3 A marine-resistant high-current-carrying ground power socket cable assembly, the ground power socket cable assembly includes a cover 1, a rubber pad 2, a clamp 3, a socket housing 4, an insulator 5, a wire pressing body 6, a first pin 7, a second pin 8, a third pin 9, a first sealing pad 10, an end cover 11, a pressure plate 12, a signal line 13, a positive line 14 and a negative line 15, an insulator 5 is installed inside the socket housing 4, a first pin 7, a second pin 8 and a third pin 9 are installed in the hole cavity of the insulator 5, the solder cups at the ends of the first pin 7, the second pin 8 and the third pin 9 are all placed in the groove of the insulator 5, a wire pressing body 6 is provided at the ends of the first pin 7, the second pin 8 and the third pin 9, and an end cover is installed at the end of the wire pressing body 6 11, the end cover 11 is fixed to the rear end face of the socket housing 4 by screws, and a first sealing gasket 10 is installed between the end cover 11 and the rear end face of the socket housing 4, the insulator 5, the first pin 7, the second pin 8, the third pin 9 and the wire pressing body 6 are fixed inside the socket housing 4, a pressing plate 12 is provided below the end cover 11, the pressing plate 12 and the rear end face of the socket housing 4 are fixed by screws, the solder cups at the ends of the first pin 7, the second pin 8 and the third pin 9 are respectively fixed with the signal line 13, the positive line 14 and the negative line 15 by high-temperature welding, the signal line 13, the positive line 14 and the negative line 15 pass through the inside of the wire pressing body 6 and then pass out through the pressing plate 12, the pressing plate 12 presses the wire pressing body 6 and then clamps the signal line 13, the positive line 14 and the negative line 15.

[0034] A rubber pad 2 and a clamping plate 3 are sequentially installed between the opening cover 1 and the socket housing 4. The opening cover 1, the rubber pad 2, the clamping plate 3 and the front end surface of the socket housing 4 are fixed by screws.

[0035] Reference Figure 10-11 The cover 1 includes a cover 101, a rotating assembly and a mounting plate 102. The cover 101 is rotated and buckled at the opening above the mounting plate 102 through the rotating assembly. The cover 1, the rubber pad 2, the clamping plate 3 and the front end surface of the socket housing 4 are fixed by screws. When the cover 101 is buckled with the mounting plate 102, the bottom of the cover 101 squeezes the rubber pad 2 to achieve sealing.

[0036] The rotating assembly includes a U-shaped ring 103, a first rotating shaft 104, a second rotating shaft 105, a first spring 106 and a second spring 107. The cover 101 is provided with a connecting portion 1018 for connecting to the U-shaped ring 103. The rear end of the mounting plate 102 is provided with an opening for the U-shaped ring 103 to pass through and two mounting ears 1021. The first end of the U-shaped ring 103 is connected to the connecting portion 1018 through the first rotating shaft 104 and the first spring 106. The second end of the U-shaped ring 103 passes through the opening of the U-shaped ring and is connected to the two mounting ears 1021 through the second rotating shaft 105 and the second spring 107.

[0037] The U-shaped ring 103, the first rotating shaft 104, the second rotating shaft 105, the first spring 106 and the second spring 107 are all made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

[0038] Reference Figure 12-13 The cover 101 includes a cover plate 1011, a plurality of rivets 1012, a plurality of bushings 1013, a button 1014, a latch 1015, a spring sheet 1016 and a base 1017. The cover plate 1011 and the base 1017 are riveted and fixed by a plurality of rivets 1012. A bushing 1013 is provided on the outside of each rivet 1012 for supporting and fixing the rivet 1012. A mounting hole is provided on the cover plate 1011. The button 1014 is fixed to the latch 1015 as a whole by the rivet 1012. The front and rear sides of the base 1017 are respectively provided with openings. The spring sheet 1016 is curved. The spring sheet 1016 has a rear bottom portion that is clamped at the rear opening of the base 1017, a front bottom portion that is placed in the base 1017, and a top portion that is in contact with the bottom of the latch 1015. The spring sheet 1016 provides a preload force. The button 1014 is placed at the mounting hole and can move forward and backward in the mounting hole 10111. The position of the latch 1015 corresponds to the front opening of the base 1017. The button 1014 controls the latch 1015 to extend and retract by moving forward and backward, thereby achieving the locking and unlocking of the cover 1. The inner side of the front end of the mounting plate 102 is provided with a lock hole 1022 that matches the latch 1015. When the button 1014 moves forward, the limit platform 1041 on the button 1014 matches the mounting hole 10111 on the cover plate 1011 to limit the movement of the button 1014.

[0039] The cover plate 1011 and the base 1017 are both made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

[0040] like Figure 4As shown, the rubber pad 2 is provided with a waist-shaped hole, and the edge of the waist-shaped hole extends outward to form a circle of protrusions 2-1, and the circle of protrusions 2-1 is placed in the opening of the mounting plate 102. When the cover 101 is buckled with the mounting plate 102, when the bottom surface of the cover 101 is pressed against the rubber pad 2, the circle of protrusions 2-1 of the rubber pad 2 is forced to expand outward into a trumpet shape, and cooperate with the bottom of the cover 101 to achieve sealing.

[0041] like Figure 5 As shown, the overall width W of the rubber pad 2 is 10.5 mm.

[0042] The socket housing 4, the pressing plate 12 and the mounting plate 102 are all made of aluminum alloy, and the outer layer of the aluminum alloy has a coating that is successively processed by aluminum alloy anodizing and electrostatic spraying.

[0043] Reference Figure 7-Figure 8 The positive line 14 includes a first wire 17, a first black heat shrink tube 18, a first wire joint 19, a first line number mark plate 20 and a QR code identification plate 21. One end of the first wire 17 is fixed to the welding cup of the second pin 8 or the third pin 9 by high-temperature welding. The end of the first wire 17 is connected to the first wire joint 19 by crimping. A first black heat shrink tube 18 is blown and shrunk on the periphery of the crimping point to protect the crimping point. Two first line number marks 20 and QR code identification plates 21 are provided on the periphery of the first wire 17. The two first line number marking plates 20 of the positive line 14 are both marked with "positive line", and the QR code identification plate 21 identifies the product model, batch and other information through a QR code; the negative line includes a second wire 24, a second black heat shrink tube 25, a second wire joint 26 and a second line number marking plate 27, the end of the second wire 24 is connected to the second wire joint 26 by crimping, and a second black heat shrink tube 25 is blown and shrunk on the periphery of the crimping point to protect the crimping point, and a second line number marking plate 27 is provided on the periphery of the second wire 24, and the second line number marking plate 27 is marked with "negative line".

[0044] Reference Fig. 9 The signal line 13 includes a third wire 22, and a third wire number mark plate 23 is provided on the outer periphery of the third wire 22. "Signal line" is marked on the third wire number mark plate 23, and one end of the signal line 13 is fixed to the first pin 7 by high temperature welding, and the other end is swung in the air.

[0045] The first conductor 17 and the second conductor 24 both include multiple strands of soft silver-plated copper core conductors, and the outer periphery of the conductors is coated with fluoroplastics. The conductors are multiple strands of soft silver-plated copper cores, which are soft, resistant to marine environments, and have large current carrying capacity. The first conductor and the second conductor are bare wire structures, and have good heat dissipation effects.

[0046] The rubber pad 2, the wire pressing body 6 and the first sealing pad 10 are all made of silicone rubber 6150; the clamping plate 3 is made of stainless steel, and the outer layer of the stainless steel has a plating layer that has been passivated.

[0047] A second sealing gasket 16 is provided at the front end of the mounting plate 102 of the mouth cover 1 , and the second sealing gasket 16 is made of silicone rubber 6150.

[0048] The socket housing, pressure plate and mounting plate of the present invention are made of aluminum alloy, and the outer layer of the aluminum alloy has a coating that is successively processed by aluminum alloy anodizing and electrostatic spraying. The cover plate, bottom plate, U-shaped ring, first shaft, second shaft, first spring, second spring and clamp are all made of stainless steel, and the outer layer of the stainless steel has a coating that is processed by passivation. The rubber pad, the wire pressing body, the first sealing pad and the second sealing pad are all made of silicone rubber 6150. The first wire and the second wire both include multi-strand soft silver-plated copper core conductors, and the outer periphery of the conductor is coated with fluoroplastics. These three improvements make the product resistant to mold (GJB150.10A species group 2+ short-handled Scopulariopsis for 28 days, and the mold growth assessment level is not inferior to level 2) and acidic salt spray (240h) environment. Combined with the overall width of the rubber pad increased from the original 8mm to 10.5mm, when the cover is closed, the bottom plate and the internal rubber pad are squeezed and sealed, and a circle of protrusions on the rubber pad are forced to expand outward into a trumpet shape. A second sealing pad is arranged at the front end of the mounting plate of the cover to improve the sealing performance of the docking with the equipment panel, and the signal line, positive line and negative line are fixed by the wire pressing body, and the sealing performance is improved, thereby greatly improving the product's resistance to marine environment corrosion.

[0049] The socket cable assembly of the present invention is a PJ-500 series. The positive and negative lines of the cable can pass a large current of 500A and are installed in the equipment compartment outside the aircraft air intake. When the aircraft is in the ground preparation stage or maintenance and troubleshooting, the ground power plug provides 28V DC power to the aircraft electrical system through the socket assembly of the present invention. The present invention is opened and closed by a button on the cover, and can be quickly opened when docked with the ground power plug. When the cover is closed, the bottom plate of the cover is squeezed and sealed with the internal rubber pad. The present invention ensures a good heat dissipation effect while improving the current carrying capacity and overload capacity, and improves the sealing of the overall structure to adapt to the intrusion of marine environmental gases, and improves the surface treatment method of the socket shell to withstand marine environmental erosion. A metal two-dimensional code identification plate is set on the positive line of the ground power socket cable assembly of the present invention, and the identification content is clear and durable. A line number identification is set on the wire, which is easy to distinguish between the positive and negative poles for easy disassembly and troubleshooting.

[0050] The length of the positive and negative wires is optimized according to the installation situation. The length of the positive line and the negative line is changed from 500mm to 580mm and 250mm respectively, and the signal line is changed from 3600mm to 300mm. Under the premise of realizing the functions, the positive and negative wires are avoided from being laid too close to each other, ensuring good heat dissipation conditions and high current carrying capacity transmission during the power supply process of the wires. At the same time, the optimization of the wire length makes the product weight lighter than the original product.

[0051] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. Marine resistant high current carrying ground power socket cable assembly, characterized in that: The ground power socket cable assembly includes a cover, a rubber pad, a clamping plate, a socket housing, an insulator, a wire pressing body, a first pin, a second pin, a third pin, a first sealing pad, an end cover, a pressure plate, a signal line, a positive line and a negative line. An insulator is installed inside the socket housing, and the first pin, the second pin and the third pin are installed in the hole cavity of the insulator. The solder cups at the ends of the first pin, the second pin and the third pin are all placed in the groove of the insulator. A wire pressing body is provided at the ends of the first pin, the second pin and the third pin, and an end cover is installed at the end of the wire pressing body. The end cover is fixed to the rear end face of the socket housing by screws, and the end cover is fixed to the rear end face of the socket housing by screws. A first sealing gasket is installed between the end faces, and the insulator, the first pin, the second pin, the third pin and the wire pressing body are fixed inside the socket housing. A pressing plate is provided below the end cover, and the pressing plate is fixed to the rear end face of the socket housing by screws. The solder cups at the ends of the first pin, the second pin and the third pin are respectively fixed with the signal line, the positive line and the negative line by welding. The signal line, the positive line and the negative line pass through the wire pressing body and then pass out through the pressing plate. The pressing plate presses the wire pressing body and then clamps the signal line, the positive line and the negative line; a rubber pad and a clamping plate are sequentially installed between the mouth cover and the socket housing, and the mouth cover, the rubber pad, the clamping plate and the front end face of the socket housing are fixed by screws; The mouth cover comprises a lid, a rotating assembly and a mounting plate. The lid is rotated and buckled on the opening above the mounting plate through the rotating assembly. The rubber pad is provided with a waist-shaped hole. The edge of the waist-shaped hole extends outward to form a circle of protrusions. The circle of protrusions is placed in the waist-shaped groove of the mounting plate. When the lid is buckled with the mounting plate, the bottom surface of the lid is pressed against the rubber pad. The circle of protrusions of the rubber pad is forced to expand outward into a trumpet shape, and cooperate with the bottom of the lid to achieve sealing; The cover comprises a cover plate, a plurality of rivets, a plurality of bushings, a button, a latch, a spring sheet and a base. The cover plate and the base are fixed by riveting with a plurality of rivets. A bushing is provided on the outside of each rivet for supporting and fixing the rivet. A mounting hole is provided on the cover plate. The button is fixed to the latch as a whole by rivets. Openings are respectively provided on the front and rear sides of the base. The spring sheet is in a curved arc shape. The rear end bottom of the spring sheet is clamped in the rear opening of the base. The front end bottom is placed in the base. The top end contacts the bottom of the latch. The spring sheet provides a pre-tightening force. The button is placed in the mounting hole and can move forward and backward in the mounting hole. The position of the latch corresponds to the front opening of the base. The button controls the extension and retraction of the latch by moving forward and backward, thereby realizing the locking and unlocking of the cover. A lock hole matching the latch is provided on the inner side of the front end of the mounting plate. The main line includes a first wire, a first black heat shrink tube, a first wire joint, two first wire number marking plates and a QR code identification plate. The end of the first wire is connected to the first wire joint by crimping. A first black heat shrink tube is blown and shrunk on the periphery of the crimping point to protect the crimping point. Two first wire number marking plates and a QR code identification plate are arranged on the periphery of the first wire.

2. The marine-resistant high-current-carrying ground power socket cable assembly according to claim 1, characterized in that: The overall width W of the rubber pad is 10.5 mm.

3. The ocean-resistant high current carrying ground power socket cable assembly according to claim 1, characterized in that: The socket housing and the pressing plate are made of aluminum alloy, and the outer layer of the aluminum alloy is provided with a coating which is successively processed by aluminum alloy anodizing and electrostatic spraying.

4. The marine-resistant high-current-carrying ground power socket cable assembly according to claim 1, characterized in that: The negative wire includes a second wire, a second black heat shrink tube, a second wire joint and a second wire number marking plate. The end of the second wire is connected to the second wire joint by crimping. A second black heat shrink tube is blown and shrunk on the periphery of the crimping point to protect the crimping point. A second wire number marking plate is arranged on the periphery of the second wire. The first wire and the second wire both include multiple strands of soft silver-plated copper core conductors, and fluoroplastics are coated on the periphery of the conductors.

5. The marine-resistant high-current-carrying ground power socket cable assembly according to claim 1, characterized in that: The signal line includes a third conductive wire, and a third wire number marking plate is arranged on the outer periphery of the third conductive wire.

6. The marine-resistant high-current-carrying ground power socket cable assembly according to claim 1, characterized in that: The clamping plate is made of stainless steel, and the outer layer of the stainless steel is provided with a plating layer which is subjected to passivation treatment.

7. The marine-resistant high-current-carrying ground power socket cable assembly according to claim 1, characterized in that: A second sealing pad is arranged at the front end of the mouth cover.

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