A guardrail welding device for a ship gangway

Abstract

The application discloses a ship gangway guardrail welding device, which comprises a storage structure, a welding structure and a manual welding structure fixed on the storage structure, the manual welding structure is located on the right side of the welding structure, an energy-saving structure and a moving assembly are inlaid in the storage structure, the moving assembly is located on the lower side of the energy-saving structure, a pulling assembly is fixed on the rear side of the storage structure, the moving storage assembly comprises a limiting plate, a motor box is fixed on the limiting plate, a motor in the motor box drives a first gear to rotate and drives a first baffle on a first rack to slide in a sliding groove, a first sealing cover is rotatably connected to the first baffle, the energy-saving structure comprises a third storage box, a solar energy assembly is fixed on the third storage box, and the third storage box is sealingly connected with an automatic sealing assembly, the ship gangway guardrail welding device is moved as a whole, a rotary manipulator is rotated according to needs to realize automatic welding or manual welding through a manual welding gun, harmful gas generated during welding is treated, and solar energy is converted into electric energy through the energy-saving structure when the device is not working.

Description

Technical Field

[0001] The present invention relates to the technical field of guardrails, in particular to a guardrail welding device for ship gangway. Background Art

[0002] Gangway refers to a movable ladder installed on both sides of a ship for passengers to get on and off the ship. It is made of wood or metal. Gangway guardrails reduce the possibility of accidents and protect the safety of people and property. Existing gangway guardrails are mostly welded manually by operators during welding, which has low welding efficiency. Operators are exposed to harmful gases for a long time, which affects their health. In addition, the welding equipment needs to be transported by operators through other transport aircraft, which is inconvenient to use. At the same time, the entire device is operated outdoors, and power outages may affect the normal use of the welding device. Summary of the Invention

[0003] The purpose of the present invention is to provide a guardrail welding device for a ship's gangway to solve the problem raised in the above-mentioned background technology that the existing gangway guardrail is mostly welded manually by operators during welding, the welding efficiency is low, the operators are in a working environment with harmful gases for a long time, which affects their health, and the welding device requires operators to transport it through other transport aircraft, which is inconvenient to use. At the same time, the entire device is operated outdoors, and power outages occur, affecting the normal use of the welding device.

[0004] To achieve the above objectives, the present invention provides the following technical solutions: a guardrail welding device for a ship's gangway, comprising a storage structure, a fixed welding structure and a manual welding structure on the storage structure, the manual welding structure being located to the right of the welding structure, an energy-saving structure and a movable assembly being embedded in the storage structure, the movable assembly being located below the energy-saving structure, and a drawer assembly being fixed to the rear of the storage structure;

[0005] The mobile storage assembly includes a limit plate, a motor box is fixed on the limit plate, a motor in the motor box drives the first gear to rotate and drives the first baffle on the first rack to slide in the slide groove, and the first baffle is rotatably connected to the first sealing cover;

[0006] The energy-saving structure includes a third storage box, the solar energy component is fixed on the third storage box, and the third storage box is sealed and connected to the automatic sealing component;

[0007] The solar panel includes a second electric telescopic rod, the telescopic end of the second electric telescopic rod is fixed to a third fixed plate, a motor on the third fixed plate is rotatably connected to a rotating connecting plate via a rotating shaft, a third support plate is fixed on the upper side of the rotating connecting plate, a photovoltaic panel is embedded on the third support plate, and the photovoltaic panel is electrically connected to the battery;

[0008] The automatic sealing assembly includes a first sealing plate, which is slidably connected to the third storage box, a motor and a fourth fixing plate are fixed on the third storage box, the fourth fixing plate is located on the lower side of the motor, the fourth fixing plate is slidably connected to the first sliding bar, the first sliding bar fixes the first sealing plate, the motor on the third storage box drives the second gear to rotate, and the rotation of the second gear drives the first sealing plate on the second rack to move, thereby opening or sealing the third storage box;

[0009] The moving assembly includes a hollow rod, a hollow seat is fixed on the lower side of the hollow rod, a third electric telescopic rod is fixed inside the hollow rod, a first connecting plate is fixed on the lower side of the third electric telescopic rod, a spring shaft is fixed between the first connecting plates, and a universal roller is fixed on the lower side of the first connecting plates;

[0010] The pull-out assembly comprises a trolley case, in which a telescopic trolley is embedded.

[0011] Preferably, the welding structure includes a mechanical welding assembly, and the first air intake assembly is fixed on the mechanical welding assembly.

[0012] Preferably, the mechanical welding assembly includes a base, a manipulator is fixed on the base, a first support plate is fixed on the upper side of the manipulator, and a welding rod is fixed on the upper side of the first support plate.

[0013] By adopting the above technical solution, the guardrail is automatically welded by setting a mechanical welding component.

[0014] Preferably, the first air intake assembly includes a first storage box, and the first storage box adjusts the position of the first air intake filter cover on the second support plate through a first electric telescopic rod, and the first air intake filter cover is connected to the first air supply pipe.

[0015] By adopting the above technical solution, the exhaust gas is sucked by arranging the first air intake component.

[0016] Preferably, the manual welding structure includes a second storage box, a fixing rod and a winding assembly are fixed on the second storage box, the winding assembly is located on the lower side of the limit clamping assembly, the limit clamping assembly is fixed on the fixing rod, the manual welding gun is clamped between the limit clamping assemblies, and a second air intake assembly is fixed on the manual welding gun, and the second air intake assembly and the first air intake assembly are both connected to the exhaust gas treatment assembly.

[0017] By adopting the above technical solution, the guardrail is manually welded by setting a manual welding structure.

[0018] Preferably, the position limiting clamping assembly includes a first fixing plate, and the first fixing plate is telescopically adjusted to adjust the position of the clamping plate through a telescopic structure.

[0019] By adopting the above technical solution, the manual welding gun is limited and fixed by providing a limit clamping assembly.

[0020] Preferably, the second air intake assembly includes a fixing frame, a second fixing plate is fixed on the fixing frame, a second air intake filter cover passes through the second fixing plate, and the second air intake filter cover is connected to the second air supply pipe.

[0021] By adopting the above technical solution, the exhaust gas is sucked by arranging the second air intake component.

[0022] Preferably, the exhaust gas treatment component includes an impurity filter box, the lower side of the impurity filter box is threaded and sealed to the material receiving tank, the filter screen is removed and installed between the impurity filter box and the first exhaust gas treatment box, the activated carbon filter screen is slidably connected inside the first exhaust gas treatment box, the first exhaust gas treatment box is connected to the second exhaust gas treatment box, the upper side of the second exhaust gas treatment box is threaded and sealed to the second sealing cover, and the exhaust pipe runs through the rear side of the second exhaust gas treatment box.

[0023] By adopting the above technical solution, the waste gas is treated by setting up a waste gas treatment component.

[0024] Preferably, the winding assembly includes a telescopic rod, a spring passes through the upper side of the telescopic rod, and a second baffle is fixed on the right side of the telescopic rod.

[0025] By adopting the above technical solution, a winding assembly is provided to wind the power transmission line on the manual welding gun to avoid knotting.

[0026] Compared with the prior art, the beneficial effects of the present invention are: the ship gangway guardrail welding device,

[0027] (1) The present invention automatically moves the entire device, rotates the manipulator to automatically weld or manually welds through a manual welding gun as needed, automatically processes the harmful gases generated during welding, and converts solar energy into electrical energy through the energy-saving structure when not working, thereby achieving the advantage of saving energy. With the assistance of the manipulator, the first support plate and the welding rod, the ship's gangway guardrail is automatically welded. The staff does not need to be in a harmful gas operating environment, ensuring the health of the welding workers. If manual welding is required, the limit clamping assembly separates the manual welding gun, the operator takes out the manual welding gun, and welds the welding part that needs to be processed. The two placements are optional, thereby improving the practicality of the entire device;

[0028] (2) The first air intake assembly on the first support plate of the present invention and the second air intake assembly fixed on the manual welding gun suck the harmful gases generated during the welding process of the welding rod and the manual welding gun, and the waste gas enters the interior of the impurity filter box, and the filter screen in the impurity filter box filters the waste material. The waste gas is filtered and enters the first waste gas treatment box and is adsorbed by the activated carbon filter screen. The waste gas after adsorption treatment enters the second waste gas treatment box, and the activated carbon bag in the second waste gas treatment box is treated again, thereby ensuring the waste gas treatment effect and improving the quality of the entire operating environment;

[0029] (3) In the present invention, with the assistance of the stepper motor on the third storage box, the second gear and the second rack drive the first sealing plate to slide toward each other, thereby opening the third storage box. The second electric telescopic rod moves the photovoltaic panel on the third support plate out of the third storage box. With the assistance of the stepper motor on the third fixed plate, the rotating rod drives the photovoltaic panel embedded in the third support plate on the rotating connecting plate to adjust the angle, thereby better contacting sunlight.

[0030] (4) The present invention adjusts the height of the entire device with the assistance of the third electric telescopic rod in the hollow rod, and drives the entire device to move with the assistance of the universal roller. There is no need to transport it or use other transport machines. With the assistance of the pulling component, it is easy to push the entire device to move, thereby increasing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the front view structure of the present invention;

[0032] Figure 2 This is a rear view structural diagram of the present invention;

[0033] Figure 3 It is a left-side structural schematic diagram of the present invention;

[0034] Figure 4 It is a right side structural schematic diagram of the present invention;

[0035] Figure 5 This is a schematic diagram of the welding structure of the present invention;

[0036] Figure 6 This is a schematic diagram of the energy-saving structure of the present invention;

[0037] Figure 7 This is a schematic structural diagram of the position limiting clamping assembly of the present invention;

[0038] Figure 8 This is a schematic structural diagram of the exhaust gas treatment component of the present invention;

[0039] Figure 9 This is a schematic diagram of the energy-saving structure of the present invention;

[0040] Figure 10 For the present invention Figure 1 A in the middle is an enlarged structural diagram;

[0041] Figure 11 It is a schematic diagram of the overall flow of the energy-saving structure of the present invention.

[0042] In the figure: 1. Storage structure; 11. Bottom box; 12. Mobile storage assembly; 121. Limit plate; 122. Motor box; 123. Slide; 124. First baffle; 125. First rack; 126. First gear; 127. First sealing cover; 2. Welding structure; 21. Mechanical welding assembly; 211. Base; 212. Manipulator; 213. First support plate; 214. Welding rod; 22. First air inlet assembly; 221. First storage box; 222. Second Support plate; 223, first air intake filter cover; 224, first electric telescopic rod; 225, first air supply pipe; 3, manual welding structure; 31, second storage box; 32, fixing rod; 33, limit clamping assembly; 331, first fixing plate; 332, clamping plate; 34, manual welding gun; 35, second air intake assembly; 351, fixing bracket; 352, second fixing plate; 353, second air intake filter cover; 354, second air supply pipe; 36, exhaust gas treatment assembly; 361 , impurity filter box; 362, receiving tank; 363, filter screen; 364, first exhaust gas treatment box; 365, activated carbon filter screen; 366, second exhaust gas treatment box; 367, second sealing cover; 368, exhaust pipe; 37, winding assembly; 371, telescopic rod; 372, spring; 373, second baffle; 4, energy-saving structure; 41, third storage box; 42, solar panel; 421, second electric telescopic rod; 422, third fixed plate; 423, rotating link Connecting plate; 424, third support plate; 425, photovoltaic panel; 426, battery; 43, automatic sealing assembly; 431, first sealing plate; 432, second rack; 433, second gear; 434, first slide bar; 435, fourth fixed plate; 5, moving assembly; 51, hollow rod; 52, hollow seat; 53, third electric telescopic rod; 54, connecting plate; 55, spring shaft; 56, universal roller; 6, pulling assembly; 61, trolley case; 62, telescopic rod. DETAILED DESCRIPTION

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0044] See also Figure 1-11 The present invention provides a technical solution: a guardrail welding device for ship gangway, such as Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the storage structure 1 includes a bottom box 11, a mobile storage assembly 12 is fixed on the bottom box 11, and the mobile storage assembly 12 includes a limit plate 121. A motor box 122 is fixed on the limit plate 121. The motor in the motor box 122 drives the first gear 126 to rotate and drives the first baffle 124 on the first rack 125 to slide in the slide groove 123. The first baffle 124 is rotatably connected to the first sealing cover 127;

[0045] Among them, the control device for controlling the entire device is fixed on the bottom box 11, the limit plate 121 is set in a circular shape, and the motor in the motor box 122 is a stepper motor, which is a prior art stepper motor;

[0046] Specifically, four groups of first baffles 124 are provided, and the four groups of first baffles 124 are engaged and slidably connected with each other. The first sealing cover 127 is rotatably connected to the right first baffle 124. A limit block is fixed on the first sealing cover 127, and a socket is provided on the limit block. An extension plate is fixed on the outer wall of the upper side of the left first baffle 124, and a limit groove is provided on the extension plate. The hydraulic cylinder in the limit groove drives the limit rod through the hydraulic rod to insert into the socket on the limit block, thereby auxiliary sealing the space enclosed by the four groups of first baffles 124, which is convenient for protecting the welding structure 2 and the manual welding structure 3.

[0047] In the above scheme, the first gear 126 is driven to rotate with the assistance of the stepper motor in the motor box 122 on the limit plate 121. The first gear 126 rotates through the first rack 125 to drive the first baffle 124 to move upward in the slide groove 123, closing the first sealing cover 127, thereby sealing the space enclosed by the first baffle 124.

[0048] like Figure 1 and Figure 5 As shown, a welding structure 2 and a manual welding structure 3 are fixed on the storage structure 1. The welding structure 2 includes a mechanical welding assembly 21. A first air intake assembly 22 is fixed on the mechanical welding assembly 21. The mechanical welding assembly 21 includes a base 211. A manipulator 212 is fixed on the base 211. A first support plate 213 is fixed on the upper side of the manipulator 212. A welding rod 214 is fixed on the upper side of the first support plate 213. The first air intake assembly 22 includes a first storage box 221. The first storage box 221 adjusts the position of a first air intake filter cover 223 on the second support plate 222 via a first electric telescopic rod 224. The first air intake filter cover 223 is connected to a first air supply pipe 225.

[0049] Among them, a stepper motor is embedded in the upper shell of the bottom box 11, and the stepper motor drives the screw to rotate, and the rotation of the screw drives the mechanical welding assembly 21 on the slider to adjust the position;

[0050] Furthermore, a waste filter is fixed on the first air intake filter cover 223 to pre-process the waste, and a small camera is fixed on the first support plate 213 to monitor the welding situation in real time and transmit the information to the backstage, so that the backstage staff can observe the welding situation in real time.

[0051] In the above scheme, the first air intake filter cover 223 on the second support plate 222 is moved to the desired position with the assistance of the first electric telescopic rod 224 in the first storage box 221, suction is performed with the assistance of the air intake fan in the first air pipe 225, and the welding rod 214 on the first support plate 213 is driven to perform multi-angle welding processing with the assistance of the manipulator 212 on the base 211. The entire operation does not require human on-site observation, avoiding being in the welding environment for a long time and affecting physical health.

[0052] like Figure 1 、 Figure 5 、 Figure 7 and Figure 8 As shown, the manual welding structure 3 is located on the right side of the welding structure 2, and the manual welding structure 3 includes a second storage box 31. A fixing rod 32 and a winding assembly 37 are fixed on the second storage box 31. The winding assembly 37 is located on the lower side of the limit clamping assembly 33. The limit clamping assembly 33 is fixed on the fixing rod 32. The manual welding gun 34 is clamped between the limit clamping assemblies 33. The second air intake assembly 35 is fixed on the manual welding gun 34. The second air intake assembly 35 and the first air intake assembly 22 are both connected to the exhaust gas treatment assembly 36. The limit clamping assembly 33 includes a first fixed plate 331. The first fixed plate 331 adjusts the position of the clamping plate 332 through a telescopic structure. The second air intake assembly 35 includes a fixing frame 351. The second fixing plate 352 is fixed on the fixing frame 351. The second air intake filter cover 353 is connected to the second air supply pipe 354. The exhaust gas treatment assembly 36 includes an impurity filter box 361. The lower side of the impurity filter box 361 is threaded and sealed to the material receiving tank 362. The filter screen 363 is removed and installed between the impurity filter box 361 and the first exhaust gas treatment box 364. The activated carbon filter screen 365 is slidably connected to the first exhaust gas treatment box 364. The first exhaust gas treatment box 364 is connected to the second exhaust gas treatment box 366. The upper side of the second exhaust gas treatment box 366 is threaded and sealed to the second sealing cover 367. The rear side of the second exhaust gas treatment box 366 passes through the exhaust pipe 368. The winding assembly 37 includes a telescopic rod 371. The upper side of the telescopic rod 371 passes through a spring 372. The right side of the telescopic rod 371 is fixed with a second baffle 373.

[0053] The first fixing plate 331 is U-shaped, and the telescopic structure on the first fixing plate 331 is a hydraulic cylinder. The hydraulic cylinder is a conventional technology. The clamping plate 332 is arc-shaped and is inlaid with a rubber anti-slip pad to protect the manual welding gun 34.

[0054] Furthermore, two sets of activated carbon filters 365 are provided, and the mesh density of the two sets of activated carbon filters 365 is different. A plurality of activated carbon bags are placed in the second exhaust gas treatment box 366, thereby treating the exhaust gas again to ensure the exhaust gas treatment effect and the health of the workers.

[0055] In the preferred embodiment of the present invention, the telescopic rod 371 and the spring 372 are assisted to extend and retract, thereby storing the transmission lines of different lengths, and finally the second baffle 373 is assisted to play a limiting role. The manual welding gun 34 on the clamping plate 332 is driven to separate by the hydraulic rod with the assistance of the hydraulic cylinder on the first fixed plate 331. The staff takes out the manual welding gun 34 for use. The second air intake filter cover 353 on the second fixed plate 352 filters the waste chips generated during welding. The waste gas enters the impurity filter box 361 through the second air pipe 354, and is filtered with the assistance of the filter screen 363 in the impurity filter box 361. The filtered impurities enter the receiving tank The waste gas is stored in 362, the receiving tank 362 is rotated, and the receiving tank 362 is separated from the impurity filter box 361, so that the waste chips in the receiving tank 362 are collected and recycled, and the waste gas is frequently treated with the assistance of the two sets of activated carbon filters 365 in the first waste gas treatment box 364, and the treated waste gas enters the second waste gas treatment box 366, and is filtered again with the assistance of the activated carbon bag in the second waste gas treatment box 366, so as to ensure the waste gas treatment effect, and the treated air is discharged through the exhaust pipe 368, and the second sealing cover 367 is rotated, and the second sealing cover 367 is separated from the second waste gas treatment box 366, so that the activated carbon bag in the second waste gas treatment box 366 is replaced to ensure the quality of the operating environment.

[0056] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 Figure 9 、 Figure 10 and Figure 11As shown, the storage structure 1 is embedded with an energy-saving structure 4 and a movable component 5, the movable component 5 is located at the lower side of the energy-saving structure 4, the pull-out component 6 is fixed to the rear side of the storage structure 1, the energy-saving structure 4 includes a third storage box 41, a solar component 42 is fixed on the third storage box 41, the third storage box 41 is sealed and connected to the automatic sealing component 43, the solar component 42 includes a second electric telescopic rod 421, the telescopic end of the second electric telescopic rod 421 is fixed to a third fixed plate 422, the motor on the third fixed plate 422 is connected to the rotating connecting plate 423 through a rotating shaft, the upper side of the rotating connecting plate 423 is fixed with a third support plate 424, the third support plate 424 is embedded with a photovoltaic panel 425, the photovoltaic panel 425 is electrically connected to the battery 426, the automatic sealing component 43 includes a first sealing plate 431, the first sealing plate 431 is slidably connected to the third storage box 41, the third The storage box 41 is fixed with a motor and a fourth fixed plate 435. The fourth fixed plate 435 is located at the lower side of the motor. The fourth fixed plate 435 is slidably connected to the first slide bar 434. The first slide bar 434 fixes the first sealing plate 431. The motor on the third storage box 41 drives the second gear 433 to rotate. The rotation of the second gear 433 drives the first sealing plate 431 on the second rack 432 to move, thereby opening or sealing the third storage box 41. The moving assembly 5 includes a hollow rod 51. The hollow seat 52 is fixed to the lower side of the hollow rod 51. The third electric telescopic rod 53 is fixed inside the hollow rod 51. The first connecting plate 54 is fixed to the lower side of the third electric telescopic rod 53. A spring shaft 55 is fixed between the first connecting plates 54. The universal roller 56 is fixed to the lower side of the first connecting plate 54. The pulling assembly 6 includes a trolley box 61. The trolley box 61 is embedded with a telescopic rod 62.

[0057] There are two sets of energy-saving structures 4, which are symmetrically arranged about the central axis of the bottom box 11. The motor on the third fixing plate 422 is a stepper motor. The third storage box 41 is penetrated by a charging plug, which is electrically connected to the battery 426.

[0058] Furthermore, four groups of movable components 5 are provided, and the four groups of movable components 5 are symmetrically arranged about the central axis of the bottom box 11. The bottom box 11 is slidably connected to the pull-out box, and the maintenance tools are placed in the pull-out box;

[0059] In the preferred embodiment of the present invention, the second gear 433 is driven to rotate with the assistance of the stepper motor on the third storage box 41. The rotation of the second gear 433 drives the first sealing plate 431 to slide on the third storage box 41 through the second rack 432, thereby opening the third storage box 41. The third fixed plate 422 is driven to move with the assistance of the second electric telescopic rod 421. The movement of the third fixed plate 422 drives the photovoltaic panel 425 to move out of the third storage box 41 through the rotating connecting plate 423 and the third support plate 424. The rotating connecting plate 423 is driven to rotate with the assistance of the stepper motor on the third fixed plate 422. The connecting plate 423 is rotated to adjust the position of the photovoltaic panel 425 on the third support plate 424, thereby increasing the utilization rate of sunlight. The photovoltaic panel 425 converts solar energy into electrical energy and stores it in the battery 426 to provide electrical energy for the entire device. After the entire work is completed, with the assistance of the third electric telescopic rod 53 in the hollow rod 51, the universal roller 56 is driven by the first connecting plate 54 and the spring shaft 55 to move out the hollow rod 51 and the hollow seat 52. The staff pulls the telescopic rod 62, and the telescopic rod 62 is stretched from the trolley box 61. With the assistance of the telescopic rod 62 and the universal roller 56, the entire device is driven to move, increasing practicality.

[0060] Working principle: When using the ship gangway guardrail welding device, connect the external power supply, weld the ship gangway guardrail with the assistance of the welding structure 2 and the manual welding structure 3, save energy with the assistance of the energy-saving structure 4, and drive the entire device to move with the assistance of the moving component 5. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0061] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the protection content of the present invention.

[0062] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A guardrail welding device for ship gangway, characterized in that: The invention comprises a storage structure (1), a fixed welding structure (2) and a manual welding structure (3) on the storage structure (1), the manual welding structure (3) being located on the right side of the welding structure (2), an energy-saving structure (4) and a movable component (5) being embedded in the storage structure (1), the movable component (5) being located on the lower side of the energy-saving structure (4), and a drawer component (6) being fixed on the rear side of the storage structure (1); The storage structure (1) comprises a bottom box (11), on which a movable storage assembly (12) is fixed; The mobile storage assembly (12) includes a limit plate (121), a motor box (122) is fixed on the limit plate (121), a motor in the motor box (122) drives the first gear (126) to rotate and drives the first baffle (124) on the first rack (125) to slide in the slide groove (123), and the first baffle (124) is rotatably connected to the first sealing cover (127); The welding structure (2) includes a mechanical welding assembly (21), and a first air intake assembly (22) is fixed on the mechanical welding assembly (21); The mechanical welding assembly (21) comprises a base (211), a manipulator (212) is fixed on the base (211), a first support plate (213) is fixed on the upper side of the manipulator (212), and a welding rod (214) is fixed on the upper side of the first support plate (213); The energy-saving structure (4) includes a third storage box (41), a solar module (42) is fixed on the third storage box (41), and the third storage box (41) is sealed and connected to an automatic sealing module (43); The solar module (42) includes a second electric telescopic rod (421), the telescopic end of the second electric telescopic rod (421) is fixed to a third fixed plate (422), a motor on the third fixed plate (422) is rotatably connected to a rotating connecting plate (423) via a rotating shaft, a third support plate (424) is fixed on the upper side of the rotating connecting plate (423), a photovoltaic panel (425) is embedded on the third support plate (424), and the photovoltaic panel (425) is electrically connected to a battery (426); The automatic sealing assembly (43) includes a first sealing plate (431), the first sealing plate (431) is slidably connected to the third storage box (41), a motor and a fourth fixing plate (435) are fixed on the third storage box (41), the fourth fixing plate (435) is located on the lower side of the motor, the fourth fixing plate (435) is slidably connected to the first slide bar (434), the first slide bar (434) fixes the first sealing plate (431), the motor on the third storage box (41) drives the second gear (433) to rotate, and the rotation of the second gear (433) drives the first sealing plate (431) on the second rack (432) to move, thereby opening or sealing the third storage box (41); The moving assembly (5) includes a hollow rod (51), a hollow seat (52) is fixed on the lower side of the hollow rod (51), a third electric telescopic rod (53) is fixed inside the hollow rod (51), a first connecting plate (54) is fixed on the lower side of the third electric telescopic rod (53), a spring shaft (55) is fixed between the first connecting plates (54), and a universal roller (56) is fixed on the lower side of the first connecting plates (54); The drawer assembly (6) comprises a drawbar box (61), wherein a telescopic drawbar (62) is embedded in the drawbar box (61).

2. A ship gangway guardrail welding device according to claim 1, characterized in that: The first air intake assembly (22) comprises a first storage box (221), wherein the first storage box (221) adjusts the position of a first air intake filter cover (223) on the second support plate (222) via a first electric telescopic rod (224), and the first air intake filter cover (223) is connected to a first air delivery pipe (225).

3. A ship gangway guardrail welding device according to claim 1, characterized in that: The manual welding structure (3) comprises a second storage box (31), a fixing rod (32) and a winding assembly (37) are fixed on the second storage box (31), the winding assembly (37) is located on the lower side of the limit clamping assembly (33), the fixing rod (32) is fixed on the limit clamping assembly (33), a manual welding gun (34) is clamped between the limit clamping assemblies (33), a second air intake assembly (35) is fixed on the manual welding gun (34), and the second air intake assembly (35) and the first air intake assembly (22) are both connected to the exhaust gas treatment assembly (36).

4. A ship gangway guardrail welding device according to claim 3, characterized in that: The position-limiting clamping assembly (33) comprises a first fixing plate (331), and the first fixing plate (331) is configured to adjust the position of the clamping plate (332) by telescoping through a telescopic structure.

5. A ship gangway guardrail welding device according to claim 3, characterized in that: The second air intake assembly (35) comprises a fixing frame (351), a second fixing plate (352) is fixed on the fixing frame (351), a second air intake filter cover (353) passes through the second fixing plate (352), and the second air intake filter cover (353) is connected to the second air supply pipe (354).

6. A ship gangway guardrail welding device according to claim 3, characterized in that: The exhaust gas treatment assembly (36) includes an impurity filter box (361), the lower side of the impurity filter box (361) is threadedly sealed and connected to the material receiving tank (362), the filter screen (363) is disassembled and installed between the impurity filter box (361) and the first exhaust gas treatment box (364), the activated carbon filter screen (365) is slidably connected inside the first exhaust gas treatment box (364), the first exhaust gas treatment box (364) is connected to the second exhaust gas treatment box (366), the upper side of the second exhaust gas treatment box (366) is threadedly sealed and connected to the second sealing cover (367), and the rear side of the second exhaust gas treatment box (366) passes through the exhaust pipe (368).

7. A ship gangway guardrail welding device according to claim 3, characterized in that: The winding assembly (37) comprises a telescopic rod (371), a spring (372) passes through the upper side of the telescopic rod (371), and a second baffle (373) is fixed to the right side of the telescopic rod (371).

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