A barrier explosion-proof skid-mounted refueling device

Abstract

The application relates to the technical field of oil filling devices, in particular to a barrier explosion-proof skid-mounted oil filling device which comprises a shell, an oil filling machine and an oil storage tank are arranged in the shell respectively, the oil storage tank is fixedly connected with the inner bottom plate of the shell through a mounting seat, the upper surface of the shell is provided with an inert gas assembly for adding inert gas to realize barrier explosion prevention, a pressure relief device is arranged in the oil storage tank, the pressure relief device is composed of two groups of partition plates, a closing assembly, a first through component and a second through component, each group of partition plates is integrally connected with the inner wall of the oil storage tank, a pressure relief cavity is formed between each group of partition plates, a pressure relief port and a square through hole are sequentially arranged on each group of partition plates, a square communication pipe is welded between each through hole, a first air guide hole is symmetrically arranged on the upper surface of each communication pipe, the oil storage tank can be relieved of pressure, and the pressure relief speed of the pressure relief device is higher than that of a pressure relief valve which can only discharge from one port.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oil filling device, in particular to a barrier explosion-proof skid-mounted oil filling device. BACKGROUND

[0002] The skid-mounted oil filling station is a ground movable oil filling station integrating oil filling pump, oil storage tank and oil unloading pump, and the oil storage tank is filled with barrier explosion-proof material, so that explosion will not occur when encountering open fire, static electricity, lightning strike, gun shot, welding or accidental violent impact, and the oil filling station has the characteristics of fire prevention and explosion prevention.

[0003] For example, the patent with the application number CN200510059664.6, the tank body of the oil storage tank is a double-layer tank wall structure, an oil leakage detection device is arranged at the upper part of the tank wall cavity, which can detect the leakage or leakage of gasoline in the tank wall, so that the leakage can be found and repaired in time, and the damage of gasoline to the environment of the oil filling station can be effectively overcome. A bulkhead plate is arranged in the oil storage tank to divide it into multiple compartments, and each compartment contains gasoline of different oil products to meet the needs of different vehicles. A barrier explosion-proof skid recovery device is arranged at the upper part of the oil storage tank to recover the oil gas volatilized in the tank. Although the device integrates the ground barrier explosion-proof skid oil storage tank, the oil filling chamber and the barrier explosion-proof skid recovery device to achieve the best matching and overall coordination of the oil storage tank and the oil filling machine, the device has small land occupation area, low station construction cost, and is convenient to use and maintain, when the device is pressure released, the internal pressure can only be discharged from one pressure relief port, and the pressure relief efficiency is slow, therefore, a barrier explosion-proof skid-mounted oil filling device is designed to change the above technical defects. SUMMARY

[0004] The present application aims to provide a barrier explosion-proof skid-mounted oil filling device to solve the problems in the background art.

[0005] In order to achieve the above object, the present application provides the following technical scheme: A barrier explosion-proof pry-mounted refueling device, comprising a shell, an oiling machine and an oil tank are arranged in the shell respectively, the oil tank is fixedly connected with the inner bottom plate of the shell through a mounting seat, an inert gas assembly is arranged on the upper surface of the shell to facilitate the addition of inert gas for barrier explosion prevention, a pressure relief device is arranged in the oil tank, the pressure relief device is composed of two groups of partition plates, a closing assembly, a first through component and a second through component, each group of partition plates is integrally connected with the inner wall of the oil tank, a pressure relief cavity is formed between each group of partition plates, a pressure relief port and a square through hole are sequentially arranged on each group of partition plates, a square communication pipe is welded between each through hole, a first air guide hole is symmetrically arranged on the upper surface of each communication pipe, a second air guide hole is arranged on the lower surface of each communication pipe, the closing assembly is used for closing the pressure relief port and the through hole, the first through component is arranged at the first air guide hole on the upper surface of the communication pipe and connected with the closing assembly, the second through component is arranged at the second air guide hole on the lower surface of the communication pipe, and a pressure relief pipe is connected with the bottom of each pressure relief cavity through a connecting pipe.

[0006] Preferably, the inert gas assembly comprises a gas tank fixedly installed on the upper surface of the shell, a gas pump is bolted on one side wall of the gas tank, an air inlet pipe is connected with the output port of the gas pump, and the air inlet pipe extends to the inside of the shell through the shell. In this preferred embodiment, the inert gas assembly is used to add inert gas to the inside of the shell to achieve the purpose of barrier explosion prevention.

[0007] Preferably, the closing assembly comprises a movable cavity arranged in each group of partition plates, the two ends of the two movable cavities are communicated with the through hole and the pressure relief port respectively, a closing plate is movably arranged in each of the two movable cavities, the top end of each closing plate is inserted into the pressure relief port for sealing, the bottom end of each closing plate is arranged at the inner wall of the through hole, a moving groove is arranged on one side of each group of partition plates in the pressure relief cavity, the two moving grooves are communicated with the movable cavities, a connecting plate is horizontally arranged in the pressure relief cavity, the two side walls of the connecting plate pass through the moving grooves and are welded and fixed with the closing plates, a first electric telescopic rod is fixedly connected with the central part of the upper surface of the connecting plate, the first electric telescopic rod is fixedly installed on the outer wall of the oil tank, and a third air guide hole is symmetrically arranged on the connecting plate. In this preferred embodiment, the closing assembly can realize the opening and closing of the through hole and the pressure relief port, and when the through hole is opened, the pressure relief port is closed, and when the pressure relief port is opened, the through hole is closed.

[0008] Preferably, the first conducting assembly comprises first sealing plates arranged at the two first air guiding holes respectively, the lower surface of each of the first sealing plates is in contact with and slidingly connected with the upper surface of the communication pipe, the upper surface of each of the first sealing plates is welded with a sliding block, each of the sliding blocks is slidingly sleeved on a guide rod, the two ends of each of the guide rods are welded and connected with the upper surface of the communication pipe through a fixing plate, and the side of each of the guide rods away from the first air guiding hole is sleeved with a spring, and the two ends of each of the springs are fixedly connected with the sliding block and the fixing plate respectively.

[0009] Preferably, the lower surface of the connecting plate is symmetrically provided with fixing plates, guide rods, sliding blocks and springs, each of the fixing plates is welded and connected with the connecting plate, the sliding block on the connecting plate is movably connected with the sliding block on the communication pipe through an X-shaped movable rod, and the end of the movable rod in contact with the sliding block is movably connected. In the preferred embodiment, the first air guiding hole can be opened through the first conducting assembly while the closing assembly is working.

[0010] Preferably, the second conducting assembly comprises a second sealing plate arranged at the second air guiding hole, the upper surface of the second sealing plate is in contact with and slidingly connected with the lower surface of the communication pipe, the lower surface of the second sealing plate is welded with a fixing block, the two side walls of the fixing block are provided with sliding grooves, each group of the partition plates located at the sliding grooves are welded with sliding rails matching the sliding grooves, one end of the fixing block is fixedly connected with the telescopic end of a second electric telescopic rod, and the second electric telescopic rod is fixed on the outer wall of the mounting seat. In the preferred embodiment, the second air guiding hole can be opened through the second conducting assembly.

[0011] Preferably, the connecting pipe and the pressure relief pipe are arranged inside the mounting seat, and one end of the pressure relief pipe extends to the outside through the side wall of the shell. In the preferred embodiment, pressure relief is facilitated.

[0012] Preferably, one side of the oil storage tank is provided with an oil-gas separator, and the oil-gas separator is mounted on the pressure relief pipe. In the preferred embodiment, the oil-gas separator can separate oil and gas when pressure relief is performed, so that the waste of oil is avoided.

[0013] Preferably, a pressure sensor is fixedly mounted on the inner top wall of the oil storage tank, and the pressure relief device is signal connected with the pressure sensor through a control mainboard. In the preferred embodiment, the pressure sensor can detect the pressure in the oil storage tank, and the pressure relief device can be started through the control mainboard.

[0014] Preferably, the other side of the oil storage tank is provided with an oil pump, and the oil pump is connected with the oil storage tank and the oil dispenser through oil guiding pipes respectively. In the preferred embodiment, the oil storage tank supplies oil to the oil dispenser.

[0015] Compared with the prior art, the application has the beneficial effects that: in response to the problems in the background art, when the oil storage tank needs to be depressurized, the closing assembly and the second conducting assembly in the depressurizing device are started in turn, the first electric telescopic rod in the closing assembly works, the telescopic end drives the connecting plate to move, the moving connecting plate drives the closing plate to move in the movable cavity, the depressurizing opening is opened and the through hole is closed, at this time, when the connecting plate moves, the moving connecting plate drives the slider to move along the guide rod through the movable rod, the moving slider extrudes the spring, at the same time, the slider on the connecting pipe drives the first sealing plate to move to expose the first air guide hole, the second electric telescopic rod in the second conducting assembly works, the telescopic end drives the fixed block to move along the sliding groove along the sliding rail, the moving fixed block drives the second sealing plate to move to expose the second air guide hole, the oil storage tank is depressurized through the communication of the depressurizing opening, the third air guide hole, the first air guide hole and the second air guide hole, the gas is discharged from the depressurizing pipe through the connecting pipe, and the oil and gas contained in the gas are separated when passing through the oil-gas separator, so that the oil storage tank is depressurized, compared with the use of the depressurizing valve which can only discharge from one port, the depressurizing speed of the depressurizing device is faster, and the inertia of the oil liquid can be reduced when the oil filling device moves. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the overall structure of the application.

[0017] Figure 2 It is a sectional view of the overall structure of the application.

[0018] Figure 3 It is a schematic view of the oil storage tank of the application.

[0019] Figure 4 It is a sectional view of the oil storage tank of the application.

[0020] Figure 5 It is an enlarged view of A of the application.

[0021] Figure 6 It is a schematic view of the first conducting assembly of the application.

[0022] Figure 7 It is a front view of the first conducting assembly of the application.

[0023] Figure 8 It is a schematic view of the second conducting assembly of the application.

[0024] In the figure: 1, the shell; 101, the oiling machine; 102, the oil tank; 103, the mounting seat; 104, the oil pump; 105, the oil guide pipe; 2, the inert gas assembly; 201, the gas storage tank; 202, the gas pump; 203, the gas filling pipe; 3, the pressure relief device; 301, the partition; 3011, the through hole; 3012, the pressure relief port; 302, the pressure relief cavity; 303, the communication pipe; 3031, the first gas guide hole; 3032, the second gas guide hole; 4, the closing assembly; 401, the movable cavity; 402, the closing plate; 403, the moving groove; 404, the connecting plate; 4041, the third gas guide hole; 405, the first electric telescopic rod; 5, the first conduction assembly; 501, the first sealing plate; 502, the sliding block; 503, the guide rod; 504, the spring; 505, the fixed plate; 506, the movable rod; 6, the second conduction assembly; 601, the second sealing plate; 602, the fixed block; 603, the sliding groove; 604, the sliding rail; 605, the second electric telescopic rod; 7, the connecting pipe; 701, the pressure relief pipe; 702, the oil-gas separator; 8, the pressure sensor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0026] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. As used herein the terms "vertical", "horizontal", "left", "right" and the like are merely for purposes of illustration.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0029] Please refer to Figures 1-8 The application provides a technical scheme: a barrier explosion-proof skid-mounted refueling device, which comprises a shell 1, an oil dispenser 101 and an oil tank 102 are arranged in the shell 1 respectively, an oil pump 104 is arranged on the other side of the oil tank 102, the oil pump 104 is connected with the oil tank 102 and the oil dispenser 101 through oil pipes 105 respectively, the oil tank 102 is fixedly connected with the inner bottom plate of the shell 1 through a mounting seat 103, an inert gas assembly 2 is arranged on the upper surface of the shell 1 to facilitate the addition of inert gas for barrier explosion prevention, a pressure relief device 3 is arranged in the oil tank 102, a pressure sensor 8 is fixedly installed on the inner top wall of the oil tank 102, the pressure relief device 3 is signal connected with the pressure sensor 8 through a control mainboard, the pressure relief device 3 is composed of two groups of partition plates 301, a closing assembly 4, a first conduction assembly 5 and a second conduction assembly 6, each group of partition plates 301 is integrally connected with the inner wall of the oil tank 102, a pressure relief cavity 302 is formed between each group of partition plates 301, a pressure relief port 3012 and a square through hole 3011 are sequentially arranged on each group of partition plates 301, a square communication pipe 303 is welded between each through hole 3011, a first air guide hole 3031 is symmetrically arranged on the upper surface of each communication pipe 303, a second air guide hole 3032 is arranged on the lower surface of each communication pipe 303, the closing assembly 4 is used for closing the pressure relief port 3012 and the through hole 3011, the first conduction assembly 5 is arranged at the first air guide hole 3031 on the upper surface of the communication pipe 303 and is connected with the closing assembly 4, the second conduction assembly 6 is arranged at the second air guide hole 3032 on the lower surface of the communication pipe 303, a pressure relief pipe 701 is connected with the bottom of each pressure relief cavity 302 through a connecting pipe 7, the connecting pipe 7 and the pressure relief pipe 701 are arranged in the mounting seat 103, one end of the pressure relief pipe 701 extends to the outside through the side wall of the shell 1, an oil-gas separator 702 is arranged on one side of the oil tank 102, and the oil-gas separator 702 is installed on the pressure relief pipe 701. The mobile wheels are arranged at the four corners of the bottom of the shell 1 to facilitate the overall movement of the refueling device.

[0030] The inert gas assembly 2 is used to inject inert gas between the shell 1 and the oil tank 102 to achieve explosion-proof barrier. The pressure sensor 8 is used to detect the air pressure value in the oil tank 102. When the detected air pressure value is greater than the set value, the pressure sensor 8 transmits a signal to the control mainboard. The control mainboard starts the closing assembly 4 and the second through assembly 6 in the pressure relief device 3 in turn. The execution end of the closing assembly 4 closes the through hole 3011 and opens the pressure relief port 3012 at the same time. The first through assembly 5 is driven to move when the closing assembly 4 works. The first gas guide hole 3031 on the upper surface of the connecting pipe 303 is opened. The second through assembly 6 works to open the second gas guide hole 3032 on the lower surface of the connecting pipe 303. The gas in the oil tank 102 enters the pressure relief cavity 302 through the pressure relief port 3012, and then enters the connecting pipe 7 through the communication of the third gas guide hole 4041, the first gas guide hole 3031 and the second gas guide hole 3032 and is discharged from the pressure relief pipe 701. When passing through the oil-gas separator 702, the oil and gas are separated and treated, so as to realize the pressure relief of the oil tank. Compared with the pressure relief valve which can only discharge from one port, the pressure relief speed of the pressure relief device 3 is faster, and the inertia of the oil can be reduced under the action of the partition plate 301 when the oil filling device moves by the moving wheel, so as to ensure safety.

[0031] Embodiment, please refer to Figure 1 and Figure 2 The inert gas assembly 2 includes a gas storage tank 201 fixedly installed on the upper surface of the shell 1. A gas pump 202 is bolted on one side wall of the gas storage tank 201. The output port of the gas pump 202 is connected with a gas filling pipe 203. The end of the gas filling pipe 203 away from the gas pump 202 extends to the inside of the shell 1. The inert gas in the gas storage tank 201 is sent into the inside of the shell 1 through the gas filling pipe 203 by the working of the gas pump 202, so as to achieve explosion-proof barrier.

[0032] Embodiment, please refer to Figure 4 and Figure 5 The closing assembly 4 includes a movable cavity 401 opened in each group of partition plates 301. The two ends of the two movable cavities 401 are communicated with the through hole 3011 and the pressure relief port 3012 respectively. The closing plate 402 is movably arranged in each movable cavity 401. The top end of each closing plate 402 is inserted into the pressure relief port 3012 for sealing. The bottom end of each closing plate 402 is located at the inner wall of the through hole 3011. Each group of partition plates 301 is provided with a moving groove 403 on one side of the pressure relief cavity 302. The two moving grooves 403 are communicated with the movable cavities 401. The connecting plate 404 is horizontally arranged in the pressure relief cavity 302. The two side walls of the connecting plate 404 pass through the moving grooves 403 and are welded and fixed with the closing plates 402. The first electric telescopic rod 405 is fixedly connected with the connecting plate 404. The first electric telescopic rod 405 is fixedly installed on the outer wall of the oil tank 102. The third gas guide hole 4041 is symmetrically opened on the upper surface of the connecting plate 404.

[0033] When the closing assembly 4 works, the first electric telescopic rod 405 is started, the telescopic end of the first telescopic rod 405 drives the connecting plate 404 to move, the moving connecting plate 404 drives the closing plate 402 to move in the movable cavity 401 along the moving groove 403, the bottom end of the moving closing plate 402 is inserted into the through hole 3011 to close it, the top end of the closing plate 402 moves into the movable cavity 401 to make the pressure relief port 3012 open, so as to realize the communication between the inside of the oil tank 102 and the pressure relief cavity 302.

[0034] Embodiments, please refer to Figure 4 , Figure 6 and Figure 7 , the first conduction assembly 5 includes the first sealing plate 501 arranged at the two first air guide holes 3031 respectively, the lower surface of each first sealing plate 501 is in contact with and slidingly connected with the upper surface of the communication pipe 303, the upper surface of each first sealing plate 501 is welded with the sliding block 502, each sliding block 502 is slidingly sleeved on the guide rod 503, the two ends of each guide rod 503 are welded and connected with the upper surface of the communication pipe 303 through the fixed plate 505, the side of each guide rod 503 away from the first air guide hole 3031 is sleeved with the spring 504, the two ends of each spring 504 are fixedly connected with the sliding block 502 and the fixed plate 505 respectively, the lower surface of the connecting plate 404 is symmetrically provided with the fixed plate 505, the guide rod 503, the sliding block 502 and the spring 504, each fixed plate 505 is welded and connected with the connecting plate 404, and the sliding block 502 on the connecting plate 404 and the sliding block 502 on the communication pipe 303 are movably connected through the X-shaped movable rod 506, and the end of the movable rod 506 is movably connected with the part in contact with the sliding block 502.

[0035] When the connecting plate 404 in the closing assembly 4 moves, the downward moving connecting plate 404 drives the sliding block 502 to move along the guide rod 503 through the X-shaped movable rod 506, the moving sliding block 502 extrudes the spring 504, and at the same time, the sliding block 502 on the communication pipe 303 drives the first sealing plate 501 to move to expose the first air guide hole 3031, so as to realize the operation of the first conduction assembly 5 following the work of the closing assembly 4.

[0036] Embodiments, please refer to Figure 4 and Figure 8The second conduction assembly 6 comprises a second sealing plate 601 arranged at the second air guide hole 3032, the upper surface of the second sealing plate 601 is in contact with and slidably connected with the lower surface of the connecting pipe 303, the lower surface of the second sealing plate 601 is welded with a fixing block 602, the two side walls of the fixing block 602 are both provided with a sliding groove 603, the sliding groove 603 is arranged at the fixing block 602, and the sliding groove 603 is welded with a sliding rail 604 matched with the sliding groove 603, one end of the fixing block 602 is fixedly connected with a second electric telescopic rod 605, and the second electric telescopic rod 605 is fixed on the outer wall of the mounting seat 103.

[0037] The second electric telescopic rod 605 in the second conduction assembly 5 works, the telescopic end of the second electric telescopic rod 605 drives the fixing block 602 to move along the sliding rail 604 through the sliding groove 603, the moving fixing block 602 drives the second sealing plate 601 to move, the lower surface of the connecting pipe 303 is exposed, and the communication of the pressure relief cavity 302 is realized, so that pressure relief is facilitated.

[0038] When the pressure sensor 8 detects that the air pressure value in the oil storage tank 102 is greater than the set value, the pressure sensor 8 transmits a signal to the control mainboard, the control mainboard starts the closing assembly 4 and the second conduction assembly 6 in the pressure relief device 3 in sequence, the first electric telescopic rod 405 in the closing assembly 4 works, the telescopic end of the first electric telescopic rod 405 drives the connecting plate 404 to move, the moving connecting plate 404 drives the closing plate 402 to move in the movable cavity 401, the pressure relief port 3012 is opened, and the through hole 3011 is closed, at this time, when the connecting plate 404 moves, the connecting plate 404 moves downward and drives the sliding block 502 to move along the guide rod 503 through the movable rod 506, the moving sliding block 502 extrudes the spring 504, at the same time, the sliding block 502 on the connecting pipe 303 drives the first sealing plate 501 to move, the first air guide hole 3031 is exposed, then the second electric telescopic rod 605 in the second conduction assembly 6 works, the telescopic end of the second electric telescopic rod 605 drives the fixing block 602 to move along the sliding rail 604 through the sliding groove 603, the moving fixing block 602 drives the second sealing plate 601 to move, the second air guide hole 3032 is exposed, the gas in the oil storage tank 102 enters the pressure relief cavity 302 through the pressure relief port 3012, then enters the connecting pipe 7 through the third air guide hole 4041, the first air guide hole 3031 and the second air guide hole 3032, and is discharged from the pressure relief pipe 701, when passing through the oil-gas separator 702, oil and gas are separated and treated, and pressure relief is completed.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A barriered skid-mounted refueling device comprising a housing (1), characterized in that: The inner part of the shell (1) is respectively provided with a refueling machine (101) and an oil tank (102), the oil tank (102) is fixedly connected with the inner bottom plate of the shell (1) through a mounting seat (103), the upper surface of the shell (1) is provided with an inert gas assembly (2) to facilitate the addition of inert gas for blocking and explosion prevention, the oil tank (102) is internally provided with a pressure relief device (3), the pressure relief device (3) is composed of two groups of partition plates (301), a closing assembly (4), a first conduction assembly (5) and a second conduction assembly (6), each group of partition plates (301) is integrally connected with the inner wall of the oil tank (102), a pressure relief cavity (302) is formed between each group of partition plates (301), and a pressure relief port (3012) and a square through hole (3011) are sequentially formed on each group of partition plates (301), a square communication pipe (303) is welded between each through hole (3011), a first air guide hole (3031) is symmetrically formed on the upper surface of each communication pipe (303), and a second air guide hole (3032) is formed on the lower surface of each communication pipe (303), the closing assembly (4) is used for closing the pressure relief port (3012) and the through hole (3011), the first conduction assembly (5) is arranged at the first air guide hole (3031) on the upper surface of the communication pipe (303) and connected with the closing assembly (4), the second conduction assembly (6) is arranged at the second air guide hole (3032) on the lower surface of the communication pipe (303), and the bottom of each pressure relief cavity (302) is connected with a pressure relief pipe (701) through a connecting pipe (7); The closing assembly (4) comprises a movable cavity (401) formed in each group of partition plates (301), the two ends of the two movable cavities (401) are communicated with the through hole (3011) and the pressure relief port (3012) respectively, and a closing plate (402) is movably arranged in each of the two movable cavities (401), the top end of each closing plate (402) is inserted into the pressure relief port (3012) for sealing, and the bottom end of each closing plate (402) is located at the inner wall of the through hole (3011), one side of each group of partition plates (301) located in the pressure relief cavity (302) is provided with a moving groove (403), the two moving grooves (403) are communicated with the movable cavities (401), a connecting plate (404) is horizontally arranged in the pressure relief cavity (302), the two side walls of the connecting plate (404) pass through the moving grooves (403) and are welded and fixed with the closing plates (402), a first electric telescopic rod (405) is fixedly connected with the central part of the upper surface of the connecting plate (404), the first electric telescopic rod (405) is fixedly installed on the outer wall of the oil tank (102), and the connecting plate (404) is symmetrically provided with a third air guide hole (4041).

2. A barriered breakaway skid-mounted refueling device according to claim 1, characterized in that: The inert gas assembly (2) comprises a gas storage tank (201) fixedly installed on the upper surface of the shell (1), one side wall of the gas storage tank (201) is bolted with a gas pump (202), the output port of the gas pump (202) is connected with a gas filling pipe (203), and the end, away from the gas pump (202), of the gas filling pipe (203) extends to the inside of the shell (1).

3. A barriered breakaway skid-mounted refueling device according to claim 1, wherein: The first conducting assembly (5) comprises first sealing plates (501) arranged at two first air guide holes (3031) respectively, the lower surface of each first sealing plate (501) is in contact with and slidably connected with the upper surface of the communication pipe (303), the upper surface of each first sealing plate (501) is welded with a sliding block (502), each sliding block (502) is slidably sleeved on a guide rod (503), both ends of each guide rod (503) are welded and connected with the upper surface of the communication pipe (303) through a fixed plate (505), and the side, away from the first air guide hole (3031), of each guide rod (503) is sleeved with a spring (504), and both ends of each spring (504) are fixedly connected with the sliding block (502) and the fixed plate (505) respectively.

4. A barriered breakaway skid-mounted refueling device according to claim 3, wherein: The lower surface of the connecting plate (404) is symmetrically provided with the fixed plate (505), the guide rod (503), the sliding block (502) and the spring (504), each fixed plate (505) is welded and connected with the connecting plate (404), the sliding block (502) on the connecting plate (404) is movably connected with the sliding block (502) on the communication pipe (303) through an X-shaped movable rod (506), and the end of the movable rod (506) is movably connected with the part in contact with the sliding block (502).

5. A barriered breakaway skid-mounted refueling device according to claim 1, wherein: The second conducting assembly (6) comprises a second sealing plate (601) arranged at a second air guide hole (3032), the upper surface of the second sealing plate (601) is in contact with and slidably connected with the lower surface of the communication pipe (303), the lower surface of the second sealing plate (601) is welded with a fixed block (602), both side walls of the fixed block (602) are provided with a sliding groove (603), each group of partition plates (301) located at the sliding groove (603) is welded with a sliding rail (604), the sliding rail (604) is matched with the sliding groove (603), one end of the fixed block (602) is fixedly connected with the telescopic end of a second electric telescopic rod (605), and the second electric telescopic rod (605) is fixed on the outer wall of the mounting seat (103).

6. A barriered breakaway skid-mounted refueling device according to claim 1, wherein: The connecting pipe (7) and the pressure relief pipe (701) are arranged in the mounting seat (103), and one end of the pressure relief pipe (701) extends to the outside through the side wall of the shell (1).

7. A barriered breakaway skid-mounted refueling device according to claim 6, characterized in that: One side of the oil storage tank (102) is provided with an oil-gas separator (702), and the oil-gas separator (702) is installed on the pressure relief pipe (701).

8. A barriered breakaway skid-mounted refueling device according to claim 1, wherein: The pressure sensor (8) is fixedly installed on the inner top wall of the oil storage tank (102), and the pressure relief device (3) is signal connected with the pressure sensor (8) through a control mainboard.

9. A barriered breakaway skid-mounted refueling device according to claim 1, wherein: The other side of the oil tank (102) is provided with an oil pump (104), and the oil pump (104) is connected with the oil tank (102) and the oil filling machine (101) through oil pipes (105) respectively.

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