An embedded automatic lifting charging socket box

Abstract

The application relates to the technical field of electrically conductive connection of a socket box, in particular to an embedded automatic lifting charging socket box, which comprises a bridge deck, a placing groove arranged in the bridge deck and a charging socket box body arranged in the placing groove, one side of the charging socket box body is fixedly provided with a socket terminal box, and a plug-in terminal hole is arranged in the socket terminal box. The embedded storage design solves the problems that the existing charging socket box is arranged in an exposed mode, occupies deck space and lifts the gravity center of equipment, thereby affecting the stability of a ship. The stroke control of a scissor type elevator can adjust the lifting height of the charging socket box body, the charging terminal and the shore-based charging gun can be coaxially matched, the height difference of the ship body under different loads in the whole tidal cycle can be adaptively matched, the closure and locking of the terminal cover plate are completed in advance during the descent and recovery of the box, manual operation is not needed in the whole process, and human errors of forgetting to close the end cover are fundamentally eliminated.

Description

Technical Field

[0001] The present invention relates to the technical field of conductive connection of socket boxes, in particular to an embedded automatic lifting charging socket box. Background Art

[0002] With the continuous advancement of green smart port construction, the integrated application of clean energy and intelligent technology in the port and shipping field has been continuously deepened. Pure electric powered tugboats, with their remarkable advantages of energy saving, environmental protection and low noise, have become the mainstream development direction of port operation ships. As a core supporting equipment of the shore power supply system for pure electric tugs, the charging socket box is a key device ensuring the normal operation of ships. Existing charging socket boxes for pure electric ships generally adopt a deck fixed installation design, the integral box body is directly fixed to the open area of the tugboat's bridge deck or main deck by fasteners, and a charging interface, core charging components and a basic protection structure are integrated in the box body. In use, an operator opens the protective end cover, completes the plugging and pulling connection between the shore-based charging gun and the charging interface of the box body, and closes the end cover to achieve basic protection after the charging operation is completed, which is suitable for shore power supply operation when the ship is berthing, and is currently the mainstream application form of shore power systems for pure electric ships in China.

[0003] The existing charging socket box is directly arranged exposed on the deck surface, which occupies the limited operation space of the tugboat, easily causes channel obstruction and blocks driving vision, and at the same time raises the overall center of gravity of the equipment, which is not conducive to the stability control of the ship during navigation and berthing operations. The protective end covers for charging terminals of existing socket boxes are mostly independent manual opening and closing structures, which is prone to the situation that the end cover is forgotten to be closed, resulting in insufficient protection reliability; and there is no supporting active cleaning protection mechanism for terminals. After charging plugging and pulling operations, metal debris generated by plugging wear will remain on the terminal contact surface, and salt-containing droplets and sand impurities drifted from the deck are also very easy to adhere to the terminal contact surface and gaps. During long-term use, impurities and salt-containing moisture will cause electrochemical corrosion of the terminals and abnormal increase of contact resistance, which is prone to cause problems such as thermal ablation and poor contact during high-current charging, and even trigger safety accidents such as short circuit and insulation breakdown, which cannot meet the requirements of long-term stable operation of pure electric tugs. Summary of the Invention

[0004] The purpose of the present invention is to provide an embedded automatic lifting charging socket box to solve the problems raised in the above background art that the existing deck charging socket box is exposed and occupies deck space, easily obstructs passages and blocks the sight, its terminal protective end covers are mostly manually opened and closed with insufficient protection reliability, and there is no active cleaning mechanism, so plugging residual impurities and marine salt spray are easy to cause terminal corrosion and poor contact, even trigger short circuit faults, and cannot meet the requirements of long-term stable operation of tugboats.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an embedded automatic lifting charging socket box, comprising a bridge deck, a placement slot opened in the bridge deck, and a charging socket box body placed in the placement slot. A socket terminal box is fixed on one side of the charging socket box body, and a plug-in terminal hole is opened in the socket terminal box. A charging terminal is fixedly installed in the plug-in terminal hole. A terminal cover plate is provided on the outer side of the top of the plug-in terminal hole in the socket terminal box. An opening and closing component is provided on the outer side of the terminal cover plate. A base is fixedly installed at the bottom of the charging socket box body by bolts. Lifting components are provided on both sides of the charging socket box body. The lifting components include a bottom frame of the lifting mechanism, a top frame of the lifting mechanism, and a scissor lift. The bottom frame of the lifting mechanism is fixedly installed on the bottom wall of the placement slot. The top frame of the lifting mechanism is located on the outer side of the charging socket box body near the top. The scissor lift is fixedly installed between the bottom frame of the lifting mechanism and the top frame of the lifting mechanism.

[0006] Furthermore, each of the top corners of the charging socket box body is fixedly installed with a lifting ring, and a limit frame is fixedly installed around the outer side wall of the charging socket box body near the top. A support frame is fitted at the bottom of the limit frame, and the support frame is fixedly installed on the outer periphery of the top frame of the elevator.

[0007] Furthermore, the opening and closing assembly includes a rotating shaft and an abutment seat. The rotating shaft passes through and is fixed to one end of the terminal cover plate. The abutment seat is disposed on one side of the socket terminal box. An abutment block is fixedly installed on the inner wall of the placement groove near the abutment seat. The top end of the abutment block abuts and fits against the bottom end of the abutment seat.

[0008] Furthermore, both ends of the rotating shaft are fitted with and fixed with transmission gears, and one side of each transmission gear is meshed with a vertically arranged transmission rack. A limiting slide is fixedly installed on the outer wall of the socket terminal box near the transmission rack. A slide rod is vertically slidably inserted in the limiting slide, and the top end of the slide rod is fixedly connected to the bottom end of the transmission rack.

[0009] Furthermore, a connecting frame is fixedly installed at the bottom end of the slide rod, one end of the connecting frame is fixedly installed on the outside of one side of the abutment seat, and a limiting spring is sleeved on the outer side of the slide rod near the bottom end.

[0010] Furthermore, the two ends of the limiting spring are respectively fixedly installed on one side of the top of the connecting frame and one side of the bottom of the limiting slide. Positioning rings are rotatably sleeved on the outer sides of both ends of the rotating shaft. One side of the positioning ring is fixedly installed on the top of the socket terminal box. An air injection component is provided on the outer side of the bottom of the socket terminal box.

[0011] Furthermore, the gas injection assembly includes a fixed plate, an abutment rod, and a gas collection cylinder. The fixed plate is fixedly installed on the outside of one side of the abutment seat, the abutment rod is vertically fixedly installed at the top center of the fixed plate, and the gas collection cylinder is fixedly installed on the outside of the socket terminal box near the bottom end of the abutment rod.

[0012] Furthermore, a piston block is fixedly installed at the top of the contact rod, and the piston block is fitted into the gas collecting cylinder in a sliding sealing manner. A gas storage tank is fixedly installed on one side of the charging socket box body, and a one-way air inlet valve pipe is inserted through and fixedly connected to the top side of the gas collecting cylinder. The input end of the one-way air inlet valve pipe is inserted into the gas storage tank and fixedly connected.

[0013] Furthermore, a one-way exhaust valve pipe is inserted and fixedly connected to the other side of the top of the gas collecting cylinder. The output end of the one-way exhaust valve pipe is inserted into the bottom end of the plug-in terminal hole and fixed. An annular tube is fitted at the inner edge of the bottom end of the plug-in terminal hole.

[0014] Furthermore, one end of the annular tube is fixedly connected to the output end of the one-way exhaust valve tube, and several inclined nozzles are fixedly connected to the top of the annular tube along the circumference. A sealing ring is fixedly installed on the edge of the terminal cover near the insertion terminal hole, and an injection pipe is inserted and fixedly connected to one side of the gas storage tank.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This invention, through its embedded storage design, embeds the charging socket box within a slot on the bridge deck under normal conditions. This solves the problems of exposed charging socket boxes occupying deck space and raising the center of gravity of equipment, thus affecting ship stability. It does not obstruct passageways or the driver's view, effectively improving the stability of ship navigation and berthing operations. Through the stroke control of the scissor lift, the lifting height of the charging socket box can be adjusted, allowing the charging terminals to be fully coaxially adapted to shore-based charging guns. It adaptively matches the changes in hull height under different tidal cycles and loads, avoiding problems such as uneven wear and tear damage to the charging interface during charging plugging and unplugging. The opening and closing components are fully linked to the lifting stroke of the charging socket box. The terminal cover automatically opens synchronously during the box's lifting process and closes and locks in advance during the box's descent and retraction process. No manual operation is required throughout the process, eliminating human error of forgetting to close the end cover at the source. This significantly improves the protection reliability of the charging interface and adapts to the special working conditions of pure electric tugboats at sea.

[0017] 2. The air injection component allows for the simultaneous, directional spraying of clean, dry airflow onto the charging terminal contact surface and the inner wall gaps of the plug-in terminal hole throughout the entire stroke of the terminal cover's closure. This thoroughly removes metal debris left from charging plug-and-play wear, hand sweat and oil introduced during operation, and salt spray droplets and sand and dust impurities from the marine environment. This solves the problem of easy corrosion and poor contact of terminals caused by the lack of an active cleaning mechanism in existing charging socket boxes. It also avoids electrochemical corrosion and abnormally increased contact resistance caused by impurities being trapped inside the cavity, fundamentally eliminating the heat generation, burning, and poor contact faults that are prone to occur during high-current charging, and significantly improving the fault-free service life of the charging terminals. Attached Figure Description

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

[0019] Figure 2 This is a partial cross-sectional three-dimensional structural diagram of the bridge deck and the charging socket box body of the present invention;

[0020] Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A in the middle;

[0021] Figure 4 This is a three-dimensional structural diagram of the top frame and support frame of the elevator of the present invention;

[0022] Figure 5 This is a three-dimensional structural diagram of the socket terminal box and terminal cover plate of the present invention;

[0023] Figure 6 For the present invention Figure 5 Enlarged structural diagram at point B;

[0024] Figure 7 For the present invention Figure 5 Enlarged structural diagram at point C;

[0025] Figure 8 This is a partial cross-sectional three-dimensional structural schematic diagram of the piston block and gas collecting cylinder of the present invention;

[0026] Figure 9 This is a top view schematic diagram of the annular pipe and inclined nozzle of the present invention;

[0027] Figure 10 This is a side sectional view of the contact seat and contact block of the present invention.

[0028] Figure 11 This is a three-dimensional structural diagram of the terminal cover and sealing ring of the present invention.

[0029] In the attached diagram, the components represented by each number are as follows: 1. Bridge deck; 2. Placement slot; 3. Charging socket box body; 4. Base; 5. Bottom frame of the elevator; 6. Top frame of the elevator; 7. Scissor lift; 8. Lifting ring; 9. Socket terminal box; 10. Limiting frame; 11. Support frame; 12. Terminal cover plate; 13. Air tank; 14. Rotating shaft; 15. Positioning ring; 16. Transmission gear; 17. 18. Moving rack; 19. Limiting slide; 20. Slide rod; 21. Abutment seat; 22. Limiting spring; 23. Plug-in terminal hole; 24. Charging terminal; 25. Abutment rod; 26. Piston block; 27. Air collection cylinder; 28. One-way air inlet valve pipe; 29. ​​One-way air outlet valve pipe; 30. Ring pipe; 31. Inclined nozzle; 32. Abutment block; 33. Connecting frame; 34. Fixing plate; 35. Sealing ring; 36. Air injection pipe. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Example 1: Please refer to Figure 1 - Figure 10 An embedded automatic lifting charging socket box includes a bridge deck 1, a placement slot 2 opened in the bridge deck 1, and a charging socket box body 3 placed in the placement slot 2. A socket terminal box 9 is fixed on one side of the charging socket box body 3. A plug terminal hole 22 is opened in the socket terminal box 9, and a charging terminal 23 is fixedly installed in the plug terminal hole 22. A terminal cover plate 12 is provided on the outer side of the top of the plug terminal hole 22 of the socket terminal box 9. An opening and closing component is provided on the outer side of the terminal cover plate 12. A base 4 is fixedly installed at the bottom of the charging socket box body 3 by bolts. Lifting components are provided on both sides of the charging socket box body 3. The lifting components include a bottom frame 5 of the lifting machine, a top frame 6 of the lifting machine, and a scissor lift 7. The bottom frame 5 of the lifting machine is fixedly installed on the bottom wall of the placement slot 2. The top frame 6 of the lifting machine is located on the outer side of the charging socket box body 3 near the top. The scissor lift 7 is fixedly installed between the bottom frame 5 of the lifting machine and the top frame 6 of the lifting machine.

[0032] A lifting ring 8 is fixedly installed at the top corner of the charging socket box body 3. A limit frame 10 is fixedly installed around the outer side wall of the charging socket box body 3 near the top. A support frame 11 is attached to the bottom of the limit frame 10. The support frame 11 is fixedly installed on the outer periphery of the top frame 6 of the elevator.

[0033] The opening and closing assembly includes a rotating shaft 14 and a contact seat 20. The rotating shaft 14 passes through and is fixed to one end of the terminal cover plate 12. The contact seat 20 is located on one side of the socket terminal box 9. A contact block 31 is fixedly installed on the inner wall of the placement groove 2 near the contact seat 20. The top end of the contact block 31 abuts against the bottom end of the contact seat 20.

[0034] Both ends of the rotating shaft 14 are fitted with and fixed with transmission gears 16. One side of each transmission gear 16 is meshed with a vertically arranged transmission rack 17. A limiting slide 18 is fixedly installed on the outer side wall of the socket terminal box 9 near the transmission rack 17. A slide rod 19 is vertically slidably inserted in the limiting slide 18. The top end of the slide rod 19 is fixedly connected to the bottom end of the transmission rack 17.

[0035] A connecting bracket 32 ​​is fixedly installed at the bottom end of the slide rod 19. One end of the connecting bracket 32 ​​is fixedly installed on the outside of one side of the contact seat 20. A limiting spring 21 is sleeved on the outer side of the slide rod 19 near the bottom end.

[0036] The two ends of the limiting spring 21 are respectively fixedly installed on the top side of the connecting bracket 32 ​​and the bottom side of the limiting slide 18. The two ends of the rotating shaft 14 are rotatably sleeved with positioning rings 15, and one side of the positioning ring 15 is fixedly installed on the top of the socket terminal box 9.

[0037] In this embodiment, in the normal storage state when not charging, the charging socket box body 3 is embedded in the placement slot 2 of the bridge deck 1, without occupying deck working space, without obstructing passage or blocking the driver's line of sight, and at the same time significantly reducing the overall center of gravity of the equipment, effectively improving the stability of ship navigation and berthing operations, and adapting to the working conditions of tugboats at sea.

[0038] When shore power charging is required, the scissor lift 7 is activated. The bottom frame 5 of the lift is fixedly installed on the bottom wall of the placement slot 2 and remains stationary. The scissor arms of the scissor lift 7 extend synchronously, driving the top frame 6 of the lift to rise smoothly upwards. The support frame 11 fixed to the outer periphery of the top frame 6 supports the limiting frame 10 on the outside of the charging socket box body 3, thereby driving the charging socket box body 3 to rise vertically and smoothly along the placement slot 2. During the operation, the lifting height of the charging socket box body 3 can be precisely adjusted by controlling the extension stroke of the scissor lift 7, so that the charging terminal 23 and the shore-based charging gun can be fully coaxially adapted, adaptively matching the changes in the height difference of the hull under different loads and the entire tidal cycle, avoiding the problem of uneven wear and tear damage to the charging interface during charging plugging and unplugging, and greatly extending the service life of the equipment.

[0039] During the lifting process of the charging socket box body 3, the opening and closing components simultaneously complete the automatic opening of the terminal cover 12: as the charging socket box body 3 continues to rise, the contact seat 20 and the contact block 31 fixed to the inner wall of the placement slot 2 gradually separate. The previously compressed limit spring 21 rebounds and resets, causing the connecting frame 32 and the slide rod 19 to slide vertically downward along the limit slide seat 18. The transmission rack 17 fixed at the top of the slide rod 19 moves down synchronously, meshing and driving the transmission gear 16 and the rotating shaft 14 to rotate. The rotating shaft 14 synchronously drives the terminal cover 12 to rotate 180° and then lay flat, completely exposing the charging terminal 23 in the insertion terminal hole 22. There is no need for manual opening and closing of the end cover, which fundamentally eliminates the human error of forgetting to close the end cover, greatly improves the equipment protection reliability, and the flat terminal cover 12 will not interfere with the charging gun insertion and removal operation, making it highly convenient to operate.

[0040] After the charging socket box body 3 is raised to the set working height, the operator can insert the shore charging gun into the plug terminal hole 22 and connect it with the charging terminal 23 to complete the shore power replenishment operation; after the charging operation is completed and the charging gun is unplugged, the equipment recovery process can be started.

[0041] During the equipment recovery phase, the scissor arms of the scissor lift 7 retract synchronously, driving the charging socket box body 3 to descend vertically into the placement slot 2 for recovery. During the descent, the contact seat 20 first contacts and adheres to the top of the contact block 31. As the charging socket box body 3 continues to descend, the contact block 31 presses upward against the contact seat 20, causing the connecting frame 32 and the slide rod 19 to slide vertically upward along the limiting slide seat 18, simultaneously compressing the limiting spring 21 to complete the storage of force. The transmission rack 17 at the top of the slide rod 19 moves upward synchronously, meshing and driving the transmission gear 16 and the rotating shaft 14 to rotate in opposite directions, thereby driving the terminal cover plate 12 to rotate in opposite directions and reset. Before the charging socket box body 3 completely falls into the placement slot 2, the terminal cover plate 12 has completely covered the top of the plug terminal hole 22, forming a sealed protection with the sealing ring 34 on the inner side of the terminal cover plate 12, realizing the complete linkage between the descent of the box and the closing of the end cover. No manual intervention is required throughout the process, making it convenient to use.

[0042] When it is necessary to disassemble and repair the charging socket box body 3 as a whole, or replace the core components, the hoisting structure of this device can facilitate disassembly and assembly without the need to completely dismantle the lifting components. The specific operation process is as follows: First, the charging socket box body 3 is lifted to a suitable inspection height by the scissor lift 7. The connecting bolts between the bottom of the charging socket box body 3 and the base 4 are removed to release the rigid connection between the two. Then, the slings of the ship or dock crane are connected and fixed to the four lifting rings 8 at the top corner of the charging socket box body 3. The crane provides a stable vertical traction force, which can drive the charging socket box body 3 to be lifted vertically and smoothly upward, so that the limiting frame 10 fixed around the outside of the charging socket box body 3 is completely separated from the support frame 11 on the outer periphery of the top frame 6 of the lift. Finally, the charging socket box body 3 is lifted out of the placement slot 2 as a whole, completing the disassembly operation. The equipment can be reinstalled by reversing the operation. During the hoisting process, there is no need to disassemble the core lifting components such as the bottom frame 5 of the elevator and the scissor lift 7. This greatly reduces the difficulty and labor cost of equipment disassembly, assembly and maintenance, and avoids the problems of decreased operating accuracy and structural damage caused by repeated disassembly and assembly of lifting components. It is perfectly adapted to the limited space and rapid operation and maintenance needs of marine operations.

[0043] Example 2: Please refer to Figure 7 - Figure 11 This embodiment further describes Example 1, wherein an air injection component is provided on the outer side of the bottom end of the socket terminal box 9.

[0044] The air injection assembly includes a fixed plate 33, an abutment rod 24, and an air collection cylinder 26. The fixed plate 33 is fixedly installed on the outside of one side of the abutment seat 20. The abutment rod 24 is vertically fixedly installed at the top center of the fixed plate 33. The air collection cylinder 26 is fixedly installed on the outside of the bottom end of the socket terminal box 9 near the abutment rod 24.

[0045] A piston block 25 is fixedly installed at the top of the contact rod 24. The piston block 25 is fitted into the gas collecting cylinder 26 in a sliding seal manner. A gas storage tank 13 is fixedly installed on one side of the charging socket box body 3. A one-way air inlet valve pipe 27 is inserted through and fixedly connected to the top side of the gas collecting cylinder 26. The input end of the one-way air inlet valve pipe 27 is inserted into the gas storage tank 13 and fixedly connected.

[0046] A one-way exhaust valve pipe 28 is inserted and fixedly connected to the other side of the top of the gas collecting cylinder 26. The output end of the one-way exhaust valve pipe 28 is inserted into the bottom end of the plug-in terminal hole 22 and fixed. An annular pipe 29 is attached to the inner edge of the bottom end of the plug-in terminal hole 22.

[0047] One end of the annular pipe 29 is fixedly connected to the output end of the one-way exhaust valve pipe 28. Several inclined nozzles 30 are fixedly connected to the top of the annular pipe 29 along the circumference. A sealing ring 34 is fixedly installed on the edge of the terminal cover plate 12 near the plug-in terminal hole 22. An air injection pipe 35 is inserted through and fixedly connected to one side of the air tank 13.

[0048] In this embodiment, during the entire process of closing the terminal cover 12, the gas injection assembly simultaneously completes the automatic blowing and cleaning of the charging terminal 23: while the contact seat 20 is pushed upward by the contact block 31, the fixed plate 33 drives the contact rod 24 and the piston block 25 to move upward synchronously. The piston block 25 slides upward in the gas collecting cylinder 26 to compress the gas in the cavity. The pressurized gas is delivered to the annular tube 29 in the plug terminal hole 22 through the one-way exhaust valve pipe 28. Finally, through several inclined nozzles 30 arranged circumferentially at the top of the annular tube 29, the gas is sprayed onto the contact surface of the charging terminal 23 and the plug terminal hole 22. Clean, dry airflow is directionally sprayed into the gaps in the inner wall of the terminal hole 22, continuously blowing throughout the entire closing stroke of the terminal cover plate 12. This thoroughly blows out metal shavings left from charging plug-in wear, hand sweat and oil brought in during operation, and salt spray droplets and sand and dust impurities drifting in from the marine environment. This prevents electrochemical corrosion and abnormally increased contact resistance caused by impurities being trapped inside the terminal cavity. It eliminates the root cause of potential faults such as overheating and burning and poor contact during high-current charging, significantly extending the fault-free service life of the charging terminal 23 and reducing the cost and operational risks of ship downtime for maintenance.

[0049] When the charging socket box body 3 is raised again, the contact seat 20 moves upward synchronously with the box body. The contact seat 20 separates from the contact block 31 fixed to the inner wall of the placement slot 2. The contact seat 20 loses the upward pushing force of the contact block 31. At this time, the previously compressed limit spring 21 rebounds and resets, pushing the slide rod 19 and the connecting frame 32 to move vertically downward synchronously. The connecting frame 32 directly drives the fixed plate 33 and the contact seat 20 to move downward smoothly. When the contact seat 20 moves downward, it will drive the piston block 25 to move downward synchronously in the air collection cylinder 26, so that a negative pressure is formed inside the air collection cylinder 26. Clean and dry gas is drawn from the air storage tank 13 through the one-way air intake valve pipe 27 to complete the automatic air replenishment, preparing for the next purging operation. The whole process is purely mechanical linkage, without any electronic control components, and has extremely high operational reliability in the harsh working conditions of high salt spray and high humidity at sea.

[0050] After the charging socket box 3 is completely stored in the placement slot 2, it is flush with the bridge deck 1 and returns to its normal storage state. This achieves full enclosure protection for the equipment without affecting the normal operation and navigation stability of the ship's deck. The overall structure is linked and closed-loop, requiring no additional manual operation, and perfectly meets the usage requirements of long-term stable operation of pure electric tugboats at sea.

[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0052] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An embedded automatic lifting charging socket box, comprising a bridge deck, a placement slot formed within the bridge deck, and a charging socket box body placed within the placement slot, characterized in that: A socket terminal box is fixed to one side of the charging socket box body. A plug-in terminal hole is opened in the socket terminal box. A charging terminal is fixedly installed in the plug-in terminal hole. A terminal cover plate is provided on the outer side of the top of the plug-in terminal hole in the socket terminal box. An opening and closing component is provided on the outer side of the terminal cover plate. A base is fixedly installed at the bottom of the charging socket box body by bolts. Lifting components are provided on both sides of the charging socket box body. The lifting assembly includes a bottom frame, a top frame, and a scissor lift. The bottom frame is fixedly installed on the bottom wall of the placement slot. The top frame is located on the outer side of the charging socket box body near the top. The scissor lift is fixedly installed between the bottom frame and the top frame.

2. The embedded automatic lifting charging socket box according to claim 1, characterized in that: Each charging socket box body has a lifting ring fixedly installed at the top corner. A limit frame is fixedly installed around the outer side wall of the charging socket box body near the top. A support frame is attached to the bottom of the limit frame. The support frame is fixedly installed on the outer periphery of the top frame of the elevator.

3. The embedded automatic lifting charging socket box according to claim 1, characterized in that: The opening and closing assembly includes a rotating shaft and a contact seat. The rotating shaft passes through and is fixed to one end of the terminal cover plate. The contact seat is disposed on one side of the socket terminal box. An abutment block is fixedly installed on the inner wall of the placement slot near the contact seat. The top end of the abutment block abuts and fits against the bottom end of the contact seat.

4. The embedded automatic lifting charging socket box according to claim 3, characterized in that: Both ends of the rotating shaft are fitted with and fixed with transmission gears. One side of each transmission gear is meshed with a vertically arranged transmission rack. A limiting slide is fixedly installed on the outer wall of the socket terminal box near the transmission rack. A slide rod is vertically slidably inserted in the limiting slide. The top end of the slide rod is fixedly connected to the bottom end of the transmission rack.

5. An embedded automatic lifting charging socket box according to claim 4, characterized in that: A connecting frame is fixedly installed at the bottom end of the slide rod, and one end of the connecting frame is fixedly installed on the outside of one side of the abutment seat. A limiting spring is sleeved on the outer side of the slide rod near the bottom end.

6. An embedded automatic lifting charging socket box according to claim 5, characterized in that: The two ends of the limiting spring are respectively fixedly installed on one side of the top of the connecting frame and one side of the bottom of the limiting slide. The two ends of the rotating shaft are rotatably fitted with positioning rings. One side of the positioning ring is fixedly installed on the top of the socket terminal box. An air injection component is provided on the outer side of the bottom of the socket terminal box.

7. An embedded automatic lifting charging socket box according to claim 6, characterized in that: The gas injection assembly includes a fixed plate, an abutment rod, and a gas collection cylinder. The fixed plate is fixedly installed on the outside of one side of the abutment seat. The abutment rod is vertically fixedly installed at the top center of the fixed plate. The gas collection cylinder is fixedly installed on the outside of the socket terminal box near the bottom end of the abutment rod.

8. An embedded automatic lifting charging socket box according to claim 7, characterized in that: A piston block is fixedly installed at the top of the contact rod. The piston block is fitted into the gas collecting cylinder in a sliding seal manner. A gas storage tank is fixedly installed on one side of the charging socket box body. A one-way air inlet valve pipe is inserted through and fixedly connected to the top side of the gas collecting cylinder. The input end of the one-way air inlet valve pipe is inserted into the gas storage tank and fixedly connected.

9. An embedded automatic lifting charging socket box according to claim 8, characterized in that: A one-way exhaust valve pipe is inserted and fixedly connected to the other side of the top of the gas collecting cylinder. The output end of the one-way exhaust valve pipe is inserted into the bottom end of the plug-in terminal hole and fixed. An annular tube is fitted at the inner edge of the bottom end of the plug-in terminal hole.

10. An embedded automatic lifting charging socket box according to claim 9, characterized in that: One end of the annular tube is fixedly connected to the output end of the one-way exhaust valve tube. Several inclined nozzles are fixedly connected to the top of the annular tube along the circumference. A sealing ring is fixedly installed on the edge of the terminal cover near the insertion terminal hole. An air injection pipe is passed through and fixedly connected to one side of the gas storage tank.

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