Gas circuit linkage device and method for oil tanker

Abstract

A gas path linkage device and method for an oil tanker, comprising a first storage cylinder (23) used as a gas source, a second reversing valve (4) arranged to be connected to the first storage cylinder (23) and used as a gas source path interface of an accessory component, and a pneumatic brake valve (24) arranged to be connected to the second reversing valve (4) and used as a gas source path interface of a main component. The gas source supply to the accessory component and the main component is realized through the first storage cylinder (23), and the linkage operation of the accessory component and the main component is realized through the second reversing valve (4) and the pneumatic brake valve (24), thereby improving the operational safety performance of the oil tanker.

Description

Technical Field

[0001] The invention relates to a gas circuit linkage device and method, in particular to a gas circuit linkage device and method for an oil tanker. Background Art

[0002] As a kind of special vehicle, oil tanker is widely used in the transportation of oil products. In order to ensure the safety of personnel working on the tank top and the convenience of operation, it is necessary to install a pneumatic guardrail on the tank top. At the same time, in order to ensure that the vehicle does not exceed the height during driving, the tank top guardrail needs to be completely lowered before driving, which requires the parking brake to be linked with the tank top guardrail.

[0003] In order to ensure the safety of dangerous goods transport vehicles and prevent oil leakage, GB7258-2017 stipulates that tank dangerous goods transport vehicles equipped with emergency shut-off devices should be designed and manufactured to ensure that the emergency shut-off valve can be automatically closed when the vehicle speed of the vehicle transporting liquid dangerous goods is greater than 5km / h, or when the engine is started, an obvious signal device can be used to remind the driver to close the emergency shut-off valve, and the oil and gas recovery device should also be closed.

[0004] The linkage of the parking brake with the tank top guardrail and the emergency shut-off valve gas circuit can greatly improve the vehicle safety of the oil tanker. Currently, there is no gas circuit linkage device and method for oil tankers.

[0005] Based on the applicant's technical briefing and the existing technical problems, technical features and technical effects in the background technology, the technical solution of the present invention is made. Summary of the invention

[0006] The object of the present invention is a gas circuit linkage device for an oil tanker.

[0007] The object of the present invention is a gas circuit linkage method for an oil tanker.

[0008] In order to overcome the above technical shortcomings, the purpose of the present invention is to provide a gas circuit linkage device and method for an oil tanker, thereby improving the operational safety performance of the oil tanker.

[0009] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an air circuit linkage device for an oil tanker, comprising a first storage cylinder used as a gas source, a second reversing valve arranged to be connected to the first storage cylinder and used as an air source passage interface of an accessory component, and a pneumatic brake valve arranged to be connected to the second reversing valve and used as an air source passage interface of a main component.

[0010] Due to the design of the first storage cylinder, the second reversing valve and the pneumatic brake valve, the air supply to the accessory components and the main components is achieved through the first storage cylinder, and the linkage operation of the accessory components and the main components is achieved through the second reversing valve and the pneumatic brake valve, thereby improving the operational safety performance of the oil tanker.

[0011] The present invention is designed to interconnect the first storage cylinder, the second reversing valve and the pneumatic brake valve in accordance with the linkage operation of the accessory component and the main component.

[0012] The present invention is designed to connect the pneumatic brake valve with the first storage cylinder and the second reversing valve in a manner in which one of the branch air source output interfaces is the air source passage interface of the main component.

[0013] The present invention designs that the accessory component is configured to include a telescopic cylinder, a first reversing valve and a switch.

[0014] The present invention is designed in such a way that the main components are arranged with a gas-controlled combined switch, an emergency shut-off valve group, an oil and gas recovery valve group, an oil unloading valve, a manhole cover, an electromagnetic gas-controlled valve, an electromagnetic gas-controlled valve switch, a double gear oil pump, a first fuel dispenser and a fuel reel system, and a second fuel dispenser and a fuel reel system.

[0015] The technical effects of the above four technical solutions are: realizing the interlocking linkage between the driving state of the oil tanker and the operating state of the tank body, thereby improving the safety performance of the oil tanker.

[0016] The present invention provides that a first accessory device is further included and the first accessory device is arranged on the accessory component, and the first accessory device is arranged to include a throttle valve and a muffler.

[0017] The present invention is designed to further include a second accessory device, and the second accessory device is arranged on the main component, and the second accessory device is arranged as an alarm.

[0018] The present invention is designed to further include a third accessory device and the third accessory device is arranged on the main component. The third accessory device is arranged to include an oil unloading valve anti-opening device and a first gas-controlled locking device.

[0019] The present invention is designed to further include a fourth accessory device and the fourth accessory device is arranged on the main component, and the fourth accessory device is arranged to include a manhole cover anti-opening device and a second gas-controlled locking device.

[0020] The present invention is designed to further include a fifth accessory device and the fifth accessory device is arranged on the main component. The fifth accessory device is arranged to include a shuttle valve, an emergency control switch, an oil-water separator, a second storage cylinder and a one-way valve.

[0021] The technical effect of the above five technical solutions is: realizing the integrated installation of other components.

[0022] The present invention is designed to provide a throttle valve on the first reversing valve, a muffler on the switch, and a second reversing valve on the first storage cylinder, a switch and a pneumatic brake valve on the second reversing valve, a first reversing valve between the switch and the telescopic cylinder, and pneumatic brake valves, shuttle valves, emergency shut-off valve groups, oil and gas recovery valve groups, first pneumatic locking devices and second pneumatic locking devices on the pneumatic combination switch, an alarm is provided between the emergency shut-off valve group and the pneumatic combination switch, and an oil unloading valve anti-lock device is provided on the oil unloading valve. An opening device and an electromagnetic air-controlled valve, a first air-controlled locking device is arranged on the oil unloading valve anti-opening device and a manhole cover anti-opening device is arranged on the manhole cover, a second air-controlled locking device is arranged on the manhole cover anti-opening device and an emergency control switch is arranged between the oil-water separator and the shuttle valve, a second storage cylinder is arranged between the oil-water separator and the one-way valve and an electromagnetic air-controlled valve switch is arranged on the electromagnetic air-controlled valve, and a double gear oil pump is arranged between the electromagnetic air-controlled valve and the first fuel dispenser and fuel reel system and the second fuel dispenser and fuel reel system.

[0023] The technical effect of the above technical scheme is: through the telescopic cylinder, the first reversing valve, the switch, the second reversing valve, the pneumatic brake valve, the first storage cylinder, the throttle valve, the muffler, the alarm, the pneumatic combination switch, the emergency shut-off valve group, the oil and gas recovery valve group, the oil unloading valve, the oil unloading valve anti-opening device, the first pneumatic locking device, the manhole cover, the manhole cover anti-opening device, the second pneumatic locking device, the shuttle valve, the emergency control switch, the oil-water separator, the second storage cylinder, the one-way valve, the electromagnetic pneumatic control valve, the electromagnetic pneumatic control valve switch, the double gear oil pump, the first fuel dispenser and the refueling reel system and the second fuel dispenser and the refueling reel system, the basic technical scheme of the present invention is formed, and the technical problem of the present invention is solved.

[0024] The present invention is designed that the shell of the telescopic cylinder is arranged to be connected to the upper end surface portion of the oil tank through a pin shaft and the telescopic end head of the telescopic cylinder is arranged to be connected to the tank top guardrail through a pin shaft, the telescopic cylinder is arranged to be a two-section pneumatic telescopic cylinder and the pneumatic power port portion of the telescopic cylinder is arranged to be connected to the first reversing valve.

[0025] The present invention designs that the first reversing valve is configured as a two-position five-way reversing valve and the exhaust port portion of the first reversing valve is configured to be connected to the throttle valve, the output port portion of the first reversing valve is configured to be connected to the telescopic cylinder and the input port portion of the first reversing valve is configured to be connected to the switch.

[0026] The present invention provides that the throttle valve is provided as a sliding sleeve throttle valve and the throttle valve is provided to be connected to the first switching valve.

[0027] The present invention designs that the switch is set as an air-controlled switch and the exhaust port portion of the switch is set to be connected to the muffler, the output port portion of the switch is set to be connected to the first reversing valve and the input port portion of the switch is set to be connected to the second reversing valve.

[0028] The present invention provides that the silencer is provided as an air flow silencer and the silencer is provided to be connected to a switch.

[0029] The present invention is designed that the second reversing valve is configured as a two-position three-way reversing valve and the input port portion of the second reversing valve is configured to be connected to the first storage cylinder, one of the output port portions of the second reversing valve is configured to be connected to the switch and another of the output port portions of the second reversing valve is configured to be connected to the pneumatic brake valve.

[0030] The present invention designs that the first storage cylinder is configured as a can-shaped body and the output port portion of the first storage cylinder is configured to be connected to the second reversing valve, and the input port portion of the first storage cylinder is configured to be connected to the pneumatic pipeline of the oil tanker.

[0031] The present invention designs that the pneumatic brake valve is set as a hand-pull brake valve and the input port of the pneumatic brake valve is set to be connected to the second reversing valve, and the output port of the pneumatic brake valve is respectively set to be connected to the brake air chamber and the air-controlled combination switch of the oil tanker.

[0032] The present invention is designed that the input port portion of the air-controlled combination switch is respectively arranged to be connected to the shuttle valve and the first output port portion of the air-controlled combination switch is arranged to be connected to the alarm and the emergency shut-off valve group, the second output port portion of the air-controlled combination switch is arranged to be connected to the oil and gas recovery valve group and the third output port portion of the air-controlled combination switch is arranged to be connected to the first air-controlled locking device, and the fourth output port portion of the air-controlled combination switch is arranged to be connected to the second air-controlled locking device.

[0033] The present invention designs that one of the ports of the shuttle valve is arranged to be connected to the pneumatic control combination switch and the other port of the shuttle valve is arranged to be connected to the emergency control switch and the pneumatic brake valve respectively.

[0034] The present invention designs that the emergency control switch is arranged as a manual valve and one of the ports of the emergency control switch is arranged to be connected to the shuttle valve, and another port of the emergency control switch is arranged to be connected to the oil-water separator.

[0035] The present invention designs that the oil-water separator is configured as a gas-liquid separator and one of the ports of the oil-water separator is configured to be connected to an emergency control switch, and another port of the oil-water separator is configured to be connected to a second storage cylinder.

[0036] The present invention designs that the second storage cylinder is configured as a can-shaped body, and the output port portion of the second storage cylinder is configured to be connected to the oil-water separator, and the input port portion of the second storage cylinder is configured to be connected to the one-way valve.

[0037] The present invention designs that one of the ports of the one-way valve is arranged to be connected to the second storage cylinder and the other port of the one-way valve is arranged to be connected to the auxiliary air storage cylinder of the oil tanker.

[0038] The present invention designs that the alarm is set as an air pressure alarm and the input port of the alarm is respectively set to be connected to the air-controlled combination switch and the emergency cut-off valve group.

[0039] The present invention is designed that the emergency shut-off valve group is configured to include a first emergency shut-off valve and a second emergency shut-off valve, and the control port portion of the first emergency shut-off valve and the control port portion of the second emergency shut-off valve are respectively configured to be connected to a gas-controlled combination switch, the output port portion of the first emergency shut-off valve and the output port portion of the second emergency shut-off valve are respectively configured to be connected to an oil unloading valve, and the input port portion of the first emergency shut-off valve is configured to be connected in a communicating manner with a first bin body of an oil tank, and the input port portion of the second emergency shut-off valve is configured to be connected in a communicating manner with a second bin body of an oil tank, and the first emergency shut-off valve and the second emergency shut-off valve are respectively configured to be safety shut-off valves.

[0040] The present invention is designed that the oil and gas recovery valve group is configured to include a first oil and gas recovery valve and a second oil and gas recovery valve, and the control port portion of the first oil and gas recovery valve and the control port portion of the second oil and gas recovery valve are respectively configured to be connected to the gas-controlled combination switch, the first oil and gas recovery valve is arranged on the first tank body of the oil tank, and the second oil and gas recovery valve is arranged on the second tank body of the oil tank.

[0041] The present invention is designed that the oil unloading valve anti-opening device is configured as a box body with an opening and closing door and the oil unloading valve anti-opening device is configured to be connected to the frame of the oil tanker truck, the oil unloading valve anti-opening device is configured to be connected to the oil unloading valve in an accommodating manner and a first air-controlled locking device is provided on the opening and closing door of the oil unloading valve anti-opening device.

[0042] The present invention designs that the first gas-controlled locking device is configured as a gas-controlled lock and the control port portion of the first gas-controlled locking device is configured to be connected to the gas-controlled combination switch, and the first gas-controlled locking device is configured to be connected to the oil unloading valve anti-opening device.

[0043] The present invention designs that the manhole cover is arranged to be connected with the oil tank and the upper end surface portion of the manhole cover is arranged to be connected with the manhole cover anti-opening device.

[0044] The present invention is designed that the manhole cover anti-opening device is configured as a flip frame and the middle part of the manhole cover anti-opening device is configured to be connected to the manhole cover, one end portion of the manhole cover anti-opening device is configured to be connected to the oil tank through a pin shaft and the other end portion of the manhole cover anti-opening device is configured to be connected to the second air-controlled locking device.

[0045] The present invention designs that the second gas-controlled locking device is configured as a gas-controlled lock and the control port portion of the second gas-controlled locking device is configured to be connected to the gas-controlled combination switch, and the second gas-controlled locking device is configured to be connected to the manhole cover anti-opening device.

[0046] The present invention designs that the housing of the oil unloading valve is arranged to be connected to the oil unloading valve anti-opening device, the input port of the oil unloading valve is arranged to be connected to the emergency shut-off valve group, and the output port of the oil unloading valve is arranged to be connected to the electromagnetic gas control valve.

[0047] The present invention designs that the control port of the electromagnetic air-controlled valve is arranged to be connected to the electromagnetic air-controlled valve switch and one of the ports of the electromagnetic air-controlled valve is arranged to be connected to the oil unloading valve, and another port of the electromagnetic air-controlled valve is arranged to be connected to the double gear oil pump.

[0048] The present invention designs that the input port of the double gear oil pump is arranged to be connected to the electromagnetic gas control valve and the output port of the double gear oil pump is arranged to be connected to the first fuel dispenser and fuel reel system and the second fuel dispenser and fuel reel system respectively.

[0049] The present invention is designed that the first fuel dispenser and fuel reel system and the second fuel dispenser and fuel reel system are respectively configured as fuel dispensers with fuel reels, and the input port part of the first fuel dispenser and fuel reel system and the input port part of the second fuel dispenser and fuel reel system are respectively configured to be connected to a double gear oil pump.

[0050] The present invention designs that the input port portion of the electromagnetic gas-controlled valve switch is arranged to be connected to the electromagnetic gas-controlled valve and the power port portion of the electromagnetic gas-controlled valve switch is arranged to be connected to the electrode of the battery.

[0051] The present invention is designed that the second reversing valve, the pneumatic brake valve and the alarm are arranged in the cab of the oil tanker, and the pneumatic control combination switch and the emergency control switch are arranged on the frame of the oil tanker.

[0052] The present invention is designed that the second reversing valve and the first storage cylinder and the switch, the pneumatic brake valve and the pneumatic control combination switch are arranged to be distributed in a single-port connected manner, and the second reversing valve, the first storage cylinder, the switch, the pneumatic brake valve and the pneumatic control combination switch and the telescopic cylinder, the first reversing valve, the emergency shut-off valve group, the oil and gas recovery valve group, the oil unloading valve, the oil unloading valve anti-opening device, the first pneumatic control locking device, the manhole cover, the manhole cover anti-opening device and the second pneumatic control locking device are arranged to be distributed in a linkage working manner, the second reversing valve, the first storage cylinder, the switch, the pneumatic brake valve and the pneumatic control combination switch and the shuttle valve, The emergency control switch, the oil-water separator, the second storage cylinder and the one-way valve are arranged to be distributed in the form of a bypass air source, and the second reversing valve, the first storage cylinder, the switch, the pneumatic brake valve and the air-controlled combination switch and the emergency shut-off valve group and the alarm are arranged to be distributed in the form of online monitoring of the air pressure, the second reversing valve, the first storage cylinder, the switch, the pneumatic brake valve and the air-controlled combination switch and the emergency shut-off valve group, the oil unloading valve, the electromagnetic air-controlled valve, the electromagnetic air-controlled valve switch, the double gear oil pump, the first fuel dispenser and the refueling reel system and the second fuel dispenser and the refueling reel system are arranged to be distributed in the form of a dual oil channel.

[0053] The present invention designs a gas circuit linkage method for an oil tanker, the steps of which are: the gas source supply to the accessory component and the main component is realized by the first storage cylinder, and the linkage operation of the accessory component and the main component is realized by the second reversing valve and the pneumatic brake valve.

[0054] The present invention is designed, and the steps are: when the pneumatic brake valve is in an open state, the brake air chamber of the oil tanker is in a working state, and the oil tanker is in a braking state; when the second reversing valve is in an open state, the high-pressure gas in the first storage cylinder is communicated with the input port part of the switch and the input port part of the air-controlled combination switch respectively;

[0055] When the switch is operated, when the switch is turned on, the high-pressure gas in the first storage cylinder passes through the first reversing valve, driving the telescopic cylinder to be in an extended state, so that the tank top guardrail is raised to provide safety protection for the oil tank; when the switch is turned off, the high-pressure gas in the telescopic cylinder is discharged through the throttle valve of the first reversing valve and the muffler of the switch, so that the telescopic cylinder is in a contracted state, so that the tank top guardrail is lowered.

[0056] When the gas-controlled combination switch is operated, when the first output port of the gas-controlled combination switch is opened, the alarm, the first emergency shut-off valve and the second emergency shut-off valve are opened, and the alarm monitors the air pressure value of the control port of the emergency shut-off valve group online. When the air pressure value of the emergency shut-off valve group in the opened state is less than the specified value, the alarm sends an alarm signal, and the oil unloading valve is opened through the first emergency shut-off valve and the second emergency shut-off valve. When the electromagnetic gas-controlled valve switch is used to open the electromagnetic gas-controlled valve, a dual-oil-channel refueling device composed of a double gear oil pump, a first refueling machine and a refueling reel system and a second refueling machine and a refueling reel system is formed. When the first output port of the gas-controlled combination switch is closed, the alarm, the first emergency shut-off valve and the second emergency shut-off valve are closed. When the second output port of the gas-controlled combination switch is opened, the first oil and gas recovery valve and the second oil and gas recovery valve are opened. The valve is in a working state, and when the second output port of the gas-controlled combination switch is closed, the first oil and gas recovery valve and the second oil and gas recovery valve are in a non-working state. When the third output port of the gas-controlled combination switch is opened, the first gas-controlled locking device is in a working state, and the opening and closing door of the oil unloading valve anti-opening device can be opened. When the third output port of the gas-controlled combination switch is closed, the first gas-controlled locking device is in a non-working state, and the opening and closing door of the oil unloading valve anti-opening device can be closed. When the fourth output port of the gas-controlled combination switch is opened, the second gas-controlled locking device is in a working state, and the manhole cover anti-opening device can be turned over, so that the manhole cover is in a naked state. When the fourth output port of the gas-controlled combination switch is closed, the second gas-controlled locking device is in a non-working state, and the manhole cover anti-opening device can be locked, so that the manhole cover is in a suppressed state.

[0057] When the pneumatic brake valve is in the closed state, the brake air chamber of the oil tanker is in a non-working state, and the oil tanker is in a driving state, that is, the second reversing valve is in an open state, and the high-pressure gas in the first storage cylinder is disconnected from the input port of the air-controlled combination switch, thereby ensuring that the air-controlled combination switch can be connected to the high-pressure gas only when the oil tanker is in a braking state.

[0058] When the oil tanker is in a braking state and refueling operations are being performed, if the pressure value of the high-pressure gas in the first storage cylinder is less than the specified working pressure value of the air-controlled combination switch, the emergency control switch is in an open state, and the high-pressure gas in the second storage cylinder is connected to the input port of the air-controlled combination switch through a shuttle valve, and the high-pressure gas in the second storage cylinder is separated from the gas and liquid by an oil-water separator, and the high-pressure gas in the second storage cylinder is connected to the auxiliary air storage cylinder of the oil tanker through a one-way valve.

[0059] In the present technical scheme, the second reversing valve, the pneumatic brake valve and the first storage cylinder are basic components and are also the necessary technical features of the present invention. The telescopic cylinder, the first reversing valve, the switch, the throttle valve, the muffler, the alarm, the pneumatic combination switch, the emergency shut-off valve group, the oil and gas recovery valve group, the oil unloading valve, the oil unloading valve anti-opening device, the first pneumatic locking device, the manhole cover, the manhole cover anti-opening device, the second pneumatic locking device, the shuttle valve, the emergency control switch, the oil-water separator, the second storage cylinder, the one-way valve, the electromagnetic pneumatic control valve, the electromagnetic pneumatic control valve switch, the double gear oil pump, the first fuel dispenser and the fuel reel system and the second fuel dispenser and the fuel reel system are functional components and are the features for realizing other technical effects of the present invention. The design of the technical features of the first emergency shut-off valve, the second emergency shut-off valve, the first oil and gas recovery valve and the second oil and gas recovery valve are technical features that comply with the Patent Law and its implementing rules.

[0060] In the present technical solution, the accessory parts refer to the tank top guardrail, and the main parts refer to the parking brake, manhole cover, oil and gas recovery valve and emergency shut-off valve.

[0061] In the present technical solution, the first storage cylinder, the second reversing valve and the pneumatic brake valve for the linkage operation of the accessory components and the main components are important technical features. In the technical field of the air circuit linkage device and method for oil tankers, it has novelty, creativity and practicality. The terms in the present technical solution can be explained and understood using the patent literature in this technical field. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0063] Figure 1 is a schematic diagram of the present invention,

[0064] Telescopic cylinder-1, first reversing valve-2, switch-3, second reversing valve-4, pneumatic brake valve-24, first storage cylinder-23, throttle valve-27, muffler-28, alarm-5, pneumatic combination switch-7, emergency shut-off valve group-6, oil and gas recovery valve group-11, oil unloading valve-14, oil unloading valve anti-opening device-15, first pneumatic locking device-16, manhole cover-17, manhole cover anti-opening device-18, second pneumatic locking device -26, shuttle valve -9, emergency control switch -8, oil-water separator -10, second storage cylinder -12, one-way valve -13, solenoid-controlled valve -21, solenoid-controlled valve switch -22, double gear oil pump -20, first fuel dispenser and fuel reel system -19, second fuel dispenser and fuel reel system -25, first emergency shut-off valve -61, second emergency shut-off valve -62, first oil and gas recovery valve -111, second oil and gas recovery valve -112. DETAILED DESCRIPTION

[0065] According to the Examination Guidelines, terms such as “having”, “including” and “comprising” used in the present invention should be understood as not dispensing with the existence or addition of one or more other elements or combinations thereof.

[0066] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0067] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0068] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. In addition, unless otherwise specified, the equipment and materials used in the following examples are commercially available. If the processing conditions are not clearly stated, please refer to the purchased product manual or proceed according to conventional methods in the art.

[0069] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0070] A gas line linkage device for an oil tanker. Figure 1 The first embodiment of the present invention is described in detail with reference to the accompanying drawings, comprising a telescopic cylinder 1, a first reversing valve 2, a switch 3, a second reversing valve 4, a pneumatic brake valve 24, a first storage cylinder 23, a throttle valve 27, a muffler 28, an alarm 5, a pneumatic combination switch 7, an emergency shut-off valve group 6, an oil and gas recovery valve group 11, an oil unloading valve 14, an oil unloading valve anti-opening device 15, a first pneumatic locking device 16, a manhole cover 17, a manhole cover anti-opening device 18, a second pneumatic locking device 26, a shuttle valve 9, an emergency control switch 8, an oil-water separator 10, a second storage cylinder 12, a one-way valve 13, an electromagnetic pneumatic control valve 21, an electromagnetic pneumatic control valve switch 22, a double gear oil pump 20, a first refueling machine and a refueling reel system 19 and a second refueling machine and a refueling reel system 25, and in the first reversing valve 14, a first refueling machine and a refueling reel system 25, a second refueling machine and a refueling reel system 26, a second refueling machine and a refueling reel system 27, a second refueling machine and a refueling reel system 28, a second refueling machine and a refueling reel system 29, a second refueling machine and a refueling reel system 29, a second refueling machine and a refueling reel system 29, a second refueling machine and a refueling reel system 20, a first refueling machine and a refueling reel system 20, a first refueling machine and a refueling reel system 21, a second refueling machine and a refueling reel system 22, a second refueling machine and a A throttle valve 27 is arranged on the directional valve 2, a muffler 28 is arranged on the switch 3, and a second reversing valve 4 is arranged on the first storage cylinder 23, a switch 3 and a pneumatic brake valve 24 are arranged on the second reversing valve 4, a first reversing valve 2 is arranged between the switch 3 and the telescopic cylinder 1, and a pneumatic brake valve 24, a shuttle valve 9, an emergency shut-off valve group 6, an oil and gas recovery valve group 11, a first pneumatic locking device 16 and a second pneumatic locking device 26 are respectively arranged on the pneumatic control combination switch 7, an alarm 5 is arranged between the emergency shut-off valve group 6 and the pneumatic control combination switch 7, and an oil unloading valve anti-opening device 15 and an electromagnetic pneumatic control valve 21 are arranged on the oil unloading valve 14, a first pneumatic locking device 16 is arranged on the oil unloading valve anti-opening device 15, and a manhole cover anti-opening device 18 is arranged on the manhole cover 17,

[0071] A second pneumatic locking device 26 is provided on the manhole cover anti-opening device 18 and an emergency control switch 8 is provided between the oil-water separator 10 and the shuttle valve 9, a second storage cylinder 12 is provided between the oil-water separator 10 and the one-way valve 13 and an electromagnetic pneumatic valve switch 22 is provided on the electromagnetic pneumatic control valve 21, and a double gear oil pump 20 is provided between the electromagnetic pneumatic control valve 21 and the first fuel dispenser and fuel reel system 19 and the second fuel dispenser and fuel reel system 25.

[0072] In this embodiment, the shell of the telescopic cylinder 1 is configured to be connected to the upper end surface portion of the oil tank through a pin shaft and the telescopic end of the telescopic cylinder 1 is configured to be connected to the tank top guardrail through a pin shaft, the telescopic cylinder 1 is configured to be a two-section pneumatic telescopic cylinder and the pneumatic power port portion of the telescopic cylinder 1 is configured to be connected to the first reversing valve 2.

[0073] A supporting connection point for the first reversing valve 2 is formed by the telescopic cylinder 1, and the connection with the first reversing valve 2 is realized by the telescopic cylinder 1. Its technical purpose is to be used as a component for lifting and lowering the tank top guardrail.

[0074] In this embodiment, the first reversing valve 2 is configured as a two-position five-way reversing valve and the exhaust port portion of the first reversing valve 2 is configured to be connected to the throttle valve 27, the output port portion of the first reversing valve 2 is configured to be connected to the telescopic cylinder 1 and the input port portion of the first reversing valve 2 is configured to be connected to the switch 3.

[0075] Through the first reversing valve 2, a supporting connection point for the telescopic cylinder 1, the switch 3 and the throttle valve 27 is formed. The first reversing valve 2 realizes the connection with the telescopic cylinder 1, the connection with the switch 3, and the connection with the throttle valve 27. Its technical purpose is to serve as a component for controlling the working state of the telescopic cylinder 1.

[0076] In the present embodiment, the throttle valve 27 is provided as a sliding sleeve throttle valve and the throttle valve 27 is provided to be coupled to the first switching valve 2 .

[0077] A supporting connection point for the first reversing valve 2 is formed by the throttle valve 27, and the connection with the first reversing valve 2 is realized by the throttle valve 27. The technical purpose is to serve as a control component for the exhaust gas volume of the first reversing valve 2.

[0078] In this embodiment, the switch 3 is set as an air-controlled switch and the exhaust port portion of the switch 3 is set to be connected to the muffler 28, the output port portion of the switch 3 is set to be connected to the first reversing valve 2 and the input port portion of the switch 3 is set to be connected to the second reversing valve 4.

[0079] Through the switch 3, a supporting connection point for the first reversing valve 2, the second reversing valve 4 and the muffler 28 is formed. The switch 3 realizes the connection with the first reversing valve 2, the connection with the second reversing valve 4, and the connection with the muffler 28. Its technical purpose is to serve as one of the components for controlling the working state of the first reversing valve 2.

[0080] In the present embodiment, the silencer 28 is provided as an air flow silencer and the silencer 28 is provided to be coupled with the switch 3 .

[0081] A supporting connection point for the switch 3 is formed by the muffler 28, and the connection with the switch 3 is realized by the muffler 28. The technical purpose of the muffler 28 is to serve as a component for silencing the switch 3 during the exhaust process.

[0082] In this embodiment, the second reversing valve 4 is configured as a two-position three-way reversing valve and the input port portion of the second reversing valve 4 is configured to be connected to the first storage cylinder 23, one of the output port portions of the second reversing valve 4 is configured to be connected to the switch 3 and another one of the output port portions of the second reversing valve 4 is configured to be connected to the pneumatic brake valve 24.

[0083] A supporting connection point for the switch 3, the first storage cylinder 23 and the pneumatic brake valve 24 is formed through the second reversing valve 4. The second reversing valve 4 realizes the connection with the switch 3, the connection with the first storage cylinder 23 and the connection with the pneumatic brake valve 24. Its technical purpose is to serve as a control component for single connection between the switch 3 and the pneumatic brake valve 24 and the first storage cylinder 23.

[0084] In this embodiment, the first storage cylinder 23 is configured as a can-shaped body and the output port portion of the first storage cylinder 23 is configured to be connected to the second reversing valve 4, and the input port portion of the first storage cylinder 23 is configured to be connected to the pneumatic pipeline of the oil tanker.

[0085] A supporting connection point for the second reversing valve 4 is formed by the first storage cylinder 23 , and connection with the second reversing valve 4 is achieved by the first storage cylinder 23 . The technical purpose of the first storage cylinder 23 is to be used as a component for supplying air to the second reversing valve 4 .

[0086] In this embodiment, the pneumatic brake valve 24 is configured as a hand-pull brake valve and the input port portion of the pneumatic brake valve 24 is configured to be connected to the second reversing valve 4, and the output port portion of the pneumatic brake valve 24 is respectively configured to be connected to the brake air chamber of the oil tanker and the air-controlled combination switch 7.

[0087] A supporting connection point for the second reversing valve 4 and the pneumatic control combination switch 7 is formed through the pneumatic brake valve 24. The pneumatic brake valve 24 realizes the connection with the second reversing valve 4 and the pneumatic control combination switch 7. Its technical purpose is to serve as a component for controlling the working state of the brake air chamber and the pneumatic control combination switch 7 of the oil tanker.

[0088] In this embodiment, the input port portions of the air-controlled combination switch 7 are respectively arranged to be connected to the shuttle valve 9 and the first output port portion of the air-controlled combination switch 7 is arranged to be connected to the alarm 5 and the emergency shut-off valve group 6, the second output port portion of the air-controlled combination switch 7 is arranged to be connected to the oil and gas recovery valve group 11 and the third output port portion of the air-controlled combination switch 7 is arranged to be connected to the first air-controlled locking device 16, and the fourth output port portion of the air-controlled combination switch 7 is arranged to be connected to the second air-controlled locking device 26.

[0089] Through the pneumatic combination switch 7, a supporting connection point for the shuttle valve 9, the alarm 5, the emergency shut-off valve group 6, the oil and gas recovery valve group 11, the oil unloading valve anti-opening device 15, the first pneumatic locking device 16, the manhole cover anti-opening device 18 and the second pneumatic locking device 26 is formed. The pneumatic combination switch 7 realizes the connection with the pneumatic brake valve 24, the connection with the shuttle valve 9, the connection with the alarm 5, the connection with the emergency shut-off valve group 6, the connection with the oil and gas recovery valve group 11, the connection with the oil unloading valve anti-opening device 15, the connection with the first pneumatic locking device 16, the connection with the manhole cover anti-opening device 18 and the connection with the second pneumatic locking device 26. The technical purpose is to be used as a component for controlling the working states of the emergency shut-off valve group 6, the oil and gas recovery valve group 11, the oil unloading valve anti-opening device 15, the first pneumatic locking device 16, the manhole cover anti-opening device 18 and the second pneumatic locking device 26.

[0090] In this embodiment, one of the ports of the shuttle valve 9 is configured to be connected to the pneumatic combination switch 7 and the other port of the shuttle valve 9 is configured to be connected to the emergency control switch 8 and the pneumatic brake valve 24 respectively.

[0091] Through the shuttle valve 9, a supporting connection point for the air-controlled combination switch 7, the emergency control switch 8 and the pneumatic brake valve 24 is formed. The shuttle valve 9 realizes the connection with the air-controlled combination switch 7, the connection with the emergency control switch 8, and the connection with the pneumatic brake valve 24. Its technical purpose is to serve as a component for connecting the emergency control switch 8 and the pneumatic brake valve 24 with the air-controlled combination switch 7.

[0092] In this embodiment, the emergency control switch 8 is configured as a manual valve and one of the ports of the emergency control switch 8 is configured to be connected to the shuttle valve 9 , and another port of the emergency control switch 8 is configured to be connected to the oil-water separator 10 .

[0093] Through the emergency control switch 8, a supporting connection point for the shuttle valve 9 and the oil-water separator 10 is formed. The emergency control switch 8 realizes the connection with the shuttle valve 9 and the oil-water separator 10. Its technical purpose is to serve as a control component for opening and closing the shuttle valve 9 and the second storage cylinder 12.

[0094] In this embodiment, the oil-water separator 10 is configured as a gas-liquid separator and one of its ports is configured to be connected to the emergency control switch 8 , while another of its ports is configured to be connected to the second storage cylinder 12 .

[0095] A supporting connection point for the emergency control switch 8 and the second storage cylinder 12 is formed through the oil-water separator 10. The oil-water separator 10 realizes connection with the emergency control switch 8 and connection with the second storage cylinder 12. Its technical purpose is to serve as a component for removing moisture from the exhaust airflow of the second storage cylinder 12.

[0096] In this embodiment, the second storage cylinder 12 is configured as a can-shaped body and the output port portion of the second storage cylinder 12 is configured to be connected to the oil-water separator 10 , and the input port portion of the second storage cylinder 12 is configured to be connected to the one-way valve 13 .

[0097] A supporting connection point for the oil-water separator 10 and the one-way valve 13 is formed through the second storage cylinder 12. The second storage cylinder 12 realizes connection with the oil-water separator 10 and the one-way valve 13. Its technical purpose is to serve as a component for supplying air to the emergency control switch 8.

[0098] In the present embodiment, one of the ports of the one-way valve 13 is configured to be coupled to the second storage cylinder 12 and the other port of the one-way valve 13 is configured to be coupled to the auxiliary air storage cylinder of the oil tanker.

[0099] A supporting connection point for the second storage cylinder 12 is formed by the one-way valve 13 , and the connection with the second storage cylinder 12 is realized by the one-way valve 13 . Its technical purpose is to be used as a component for preventing the gas in the second storage cylinder 12 from flowing back.

[0100] In this embodiment, the alarm 5 is configured as an air pressure alarm and the input port of the alarm 5 is configured to be connected to the air-controlled combination switch 7 and the emergency shut-off valve group 6 respectively.

[0101] Through the alarm 5, a supporting connection point for the emergency shut-off valve group 6 is formed. The alarm 5 realizes the connection with the emergency shut-off valve group 6 and the connection with the gas-controlled combination switch 7. Its technical purpose is to serve as a component for monitoring the working status of the emergency shut-off valve group 6.

[0102] In this embodiment, the emergency shut-off valve group 6 is configured to include a first emergency shut-off valve 61 and a second emergency shut-off valve 62, and the control port portion of the first emergency shut-off valve 61 and the control port portion of the second emergency shut-off valve 62 are respectively configured to be connected to the air-controlled combination switch 7, the output port portion of the first emergency shut-off valve 61 and the output port portion of the second emergency shut-off valve 62 are respectively configured to be connected to the oil unloading valve 14, and the input port portion of the first emergency shut-off valve 61 is configured to be connected to the first warehouse body of the oil tank, and the input port portion of the second emergency shut-off valve 62 is configured to be connected to the second warehouse body of the oil tank, and the first emergency shut-off valve 61 and the second emergency shut-off valve 62 are respectively configured to be safety shut-off valves.

[0103] Through the emergency shut-off valve group 6, a supporting connection point for the air-controlled combination switch 7 and the oil unloading valve 14 is formed. The first emergency shut-off valve 61 and the second emergency shut-off valve 62 realize the connection with the air-controlled combination switch 7 and the connection with the oil unloading valve 14. Its technical purpose is to serve as a control component for the opening and closing of the oil unloading valve 14.

[0104] In this embodiment, the oil and gas recovery valve group 11 is configured to include a first oil and gas recovery valve 111 and a second oil and gas recovery valve 112, and the control port portion of the first oil and gas recovery valve 111 and the control port portion of the second oil and gas recovery valve 112 are respectively configured to be connected to the gas-controlled combination switch 7, the first oil and gas recovery valve 111 is arranged on the first tank body of the oil tank and the second oil and gas recovery valve 112 is arranged on the second tank body of the oil tank.

[0105] A supporting connection point for the gas-controlled combination switch 7 is formed through the oil and gas recovery valve group 11, and the connection with the gas-controlled combination switch 7 is realized by the first oil and gas recovery valve 111 and the second oil and gas recovery valve 112. Its technical purpose is to be used as a component for collecting gasoline and oil gas in the oil tank.

[0106] In this embodiment, the oil unloading valve anti-opening device 15 is configured as a box body with an opening and closing door and the oil unloading valve anti-opening device 15 is configured to be connected to the frame of the oil tanker truck, the oil unloading valve anti-opening device 15 is configured to be accommodatingly connected to the oil unloading valve 14 and a first pneumatic locking device 16 is provided on the opening and closing door of the oil unloading valve anti-opening device 1.

[0107] A supporting connection point between the oil unloading valve 14 and the first pneumatically controlled locking device 16 is formed by the oil unloading valve anti-opening device 15. The oil unloading valve anti-opening device 15 realizes connection with the oil unloading valve 14 and connection with the first pneumatically controlled locking device 16. Its technical purpose is to serve as a component for containing and protecting the oil unloading valve 14.

[0108] In this embodiment, the first gas-controlled locking device 16 is configured as a gas-controlled lock and the control port portion of the first gas-controlled locking device 16 is configured to be connected to the gas-controlled combination switch 7 , and the first gas-controlled locking device 16 is configured to be connected to the oil unloading valve anti-opening device 15 .

[0109] A supporting connection point for the air-controlled combination switch 7 and the oil unloading valve anti-opening device 15 is formed through the first air-controlled locking device 16. The first air-controlled locking device 16 realizes connection with the air-controlled combination switch 7 and connection with the oil unloading valve anti-opening device 15. Its technical purpose is to serve as a control component for opening and closing the opening and closing door of the oil unloading valve anti-opening device 15.

[0110] In the present embodiment, the manhole cover 17 is configured to be coupled to the oil tank and the upper end surface portion of the manhole cover 17 is configured to be coupled to the manhole cover anti-opening device 18 .

[0111] A supporting connection point for the manhole cover anti-opening device 18 is formed through the manhole cover 17, and the connection with the manhole cover anti-opening device 18 is realized by the manhole cover 17. Its technical purpose is to be used as a component for sealing the oil tank.

[0112] In this embodiment, the manhole cover anti-opening device 18 is configured as a flip frame and the middle part of the manhole cover anti-opening device 18 is configured to be connected to the manhole cover 17, one end of the manhole cover anti-opening device 18 is configured to be connected to the oil tank through a pin shaft and the other end of the manhole cover anti-opening device 18 is configured to be connected to the second pneumatic locking device 26.

[0113] The manhole cover anti-opening device 18 forms a supporting connection point between the manhole cover 17 and the second pneumatic locking device 26. The manhole cover anti-opening device 18 realizes the connection with the manhole cover 17 and the connection with the second pneumatic locking device 26. Its technical purpose is to serve as one of the control components for opening and closing the manhole cover 17 and the oil tank.

[0114] In this embodiment, the second gas-controlled locking device 26 is configured as a gas-controlled lock and the control port portion of the second gas-controlled locking device 26 is configured to be connected to the gas-controlled combination switch 7 , and the second gas-controlled locking device 26 is configured to be connected to the manhole cover anti-opening device 18 .

[0115] A supporting connection point for the gas-controlled combination switch 7 and the manhole cover anti-opening device 18 is formed through the second gas-controlled locking device 26. The second gas-controlled locking device 26 realizes the connection with the gas-controlled combination switch 7 and the manhole cover anti-opening device 18. Its technical purpose is to serve as a second control component for opening and closing the manhole cover 17 and the oil tank.

[0116] In this embodiment, the shell of the oil unloading valve 14 is configured to be connected to the oil unloading valve anti-opening device 15 and the input port of the oil unloading valve 14 is configured to be connected to the emergency shut-off valve group 6, and the output port of the oil unloading valve 14 is configured to be connected to the electromagnetic air control valve 21.

[0117] Through the oil unloading valve 14, a supporting connection point for the oil unloading valve anti-opening device 15, the emergency shut-off valve group 6 and the electromagnetic air-controlled valve 21 is formed. The oil unloading valve 14 realizes the connection with the oil unloading valve anti-opening device 15, the connection with the emergency shut-off valve group 6, and the connection with the electromagnetic air-controlled valve 21. Its technical purpose is to serve as one of the components for connecting the oil tank with the double gear oil pump 20.

[0118] In this embodiment, the control port portion of the solenoid air-controlled valve 21 is configured to be connected to the solenoid air-controlled valve switch 22 and one of the port portions of the solenoid air-controlled valve 21 is configured to be connected to the oil unloading valve 14, and another port portion of the solenoid air-controlled valve 21 is configured to be connected to the double gear oil pump 20.

[0119] Through the electromagnetic air-controlled valve 21, a supporting connection point for the oil unloading valve 14, the double gear oil pump 20 and the electromagnetic air-controlled valve switch 22 is formed. The electromagnetic air-controlled valve 21 realizes the connection with the oil unloading valve 14, the connection with the double gear oil pump 20, and the connection with the electromagnetic air-controlled valve switch 22. Its technical purpose is to serve as the second component for connecting the oil tank with the double gear oil pump 20.

[0120] In this embodiment, the input port portion of the double gear oil pump 20 is configured to be connected to the electromagnetic air control valve 21 and the output port portion of the double gear oil pump 20 is configured to be connected to the first fuel dispenser and fuel reel system 19 and the second fuel dispenser and fuel reel system 25 respectively.

[0121] Through the double gear oil pump 20, a supporting connection point is formed for the electromagnetic air-controlled valve 21, the first fuel dispenser and the fueling reel system 19 and the second fuel dispenser and the fueling reel system 25. The double gear oil pump 20 realizes the connection with the electromagnetic air-controlled valve 21, the connection with the first fuel dispenser and the fueling reel system 19, and the connection with the second fuel dispenser and the fueling reel system 25. Its technical purpose is to be used as a power component for loading and unloading gasoline.

[0122] In this embodiment, the first fuel dispenser and refueling reel system 19 and the second fuel dispenser and refueling reel system 25 are respectively configured as fuel dispensers with refueling reels and the input port parts of the first fuel dispenser and refueling reel system 19 and the input port parts of the second fuel dispenser and refueling reel system 25 are respectively configured to be connected to the double gear oil pump 20.

[0123] A supporting connection point for the twin gear oil pump 20 is formed through the first fuel dispenser and fuel reel system 19 and the second fuel dispenser and fuel reel system 25. The connection with the twin gear oil pump 20 is achieved by the first fuel dispenser and fuel reel system 19 and the second fuel dispenser and fuel reel system 25. The technical purpose is to be used as a component for loading and unloading gasoline.

[0124] In this embodiment, the input port portion of the electromagnetic gas-controlled valve switch 22 is configured to be connected to the electromagnetic gas-controlled valve 21 and the power port portion of the electromagnetic gas-controlled valve switch 22 is configured to be connected to an electrode of a battery.

[0125] A supporting connection point for the electromagnetic air-controlled valve 21 is formed through the electromagnetic air-controlled valve switch 22, and the connection with the electromagnetic air-controlled valve 21 is realized by the electromagnetic air-controlled valve switch 22. Its technical purpose is to be used as a component for controlling the working state of the electromagnetic air-controlled valve 21.

[0126] In this embodiment, the second reversing valve 4, the pneumatic brake valve 24 and the alarm 5 are arranged in the cab of the oil tanker, and the pneumatic control combination switch 7 and the emergency control switch 8 are arranged on the frame of the oil tanker.

[0127] In this embodiment, the second reversing valve 4 and the first storage cylinder 23 are arranged to be distributed in a single-port connected manner with the switch 3, the pneumatic brake valve 24 and the pneumatic control combination switch 7, and the second reversing valve 4, the first storage cylinder 23, the switch 3, the pneumatic brake valve 24 and the pneumatic control combination switch 7 are arranged to be distributed in a single-port connected manner with the telescopic cylinder 1, the first reversing valve 2, the emergency shut-off valve group 6, the oil and gas recovery valve group 11, the oil unloading valve 14, the oil unloading valve anti-opening device 15, the first pneumatic control locking device 16, the manhole cover 17, the manhole cover anti-opening device 18 and the second pneumatic control locking device 26 are arranged to be distributed in a linkage working manner, and the second reversing valve 4, the first storage cylinder 23, the switch 3, the pneumatic brake valve 24 and the pneumatic control combination switch 7 are arranged to be distributed in a linkage working manner with the shuttle valve 9. The emergency control switch 8, the oil-water separator 10, the second storage cylinder 12 and the one-way valve 13 are arranged to be distributed in the form of a bypass air source, and the second reversing valve 4, the first storage cylinder 23, the switch 3, the pneumatic brake valve 24 and the pneumatic control combination switch 7 and the emergency shut-off valve group 6 and the alarm 5 are arranged to be distributed in the form of online monitoring of air pressure, and the second reversing valve 4, the first storage cylinder 23, the switch 3, the pneumatic brake valve 24 and the pneumatic control combination switch 7 and the emergency shut-off valve group 6, the oil unloading valve 14, the electromagnetic air-controlled valve 21, the electromagnetic air-controlled valve switch 22, the double gear oil pump 20, the first fuel dispenser and the refueling reel system 19 and the second fuel dispenser and the refueling reel system 25 are arranged to be distributed in the form of a dual oil channel.

[0128] The present invention is further described below in conjunction with examples. The following examples are intended to illustrate the present invention rather than to further limit the present invention.

[0129] A gas circuit linkage method for an oil tanker, the steps of which are: when the pneumatic brake valve 24 is in an open state, the brake air chamber of the oil tanker is in a working state, and the oil tanker is in a braking state; when the second reversing valve 4 is in an open state, the high-pressure gas in the first storage cylinder 23 is communicated with the input port of the switch 3 and the input port of the air-controlled combination switch 7 respectively;

[0130] When the switch 3 is operated, when the switch 3 is turned on, the high-pressure gas in the first storage cylinder 23 passes through the first reversing valve 2, driving the telescopic cylinder 1 to be in an extended state, so that the tank top guardrail is raised, and the oil tank is safely protected. When the switch 3 is turned off, the high-pressure gas in the telescopic cylinder 1 is discharged through the throttle valve 27 of the first reversing valve 2 and the muffler 28 of the switch 3, so that the telescopic cylinder 1 is in a contracted state, and the tank top guardrail is lowered.

[0131] When the air-controlled combination switch 7 is operated, when the first output port of the air-controlled combination switch 7 is opened, the alarm 5, the first emergency shut-off valve 61 and the second emergency shut-off valve 62 are opened, and the alarm 5 monitors the air pressure value of the control port of the emergency shut-off valve group 6 online. When the air pressure value of the emergency shut-off valve group 6 in the opened state is less than the specified value, the alarm 5 sends an alarm signal, and the oil unloading valve 14 is opened through the first emergency shut-off valve 61 and the second emergency shut-off valve 62. When the electromagnetic air-controlled valve switch 22 is used to open the electromagnetic air-controlled valve 21, a dual-oil-channel refueling device composed of the double gear oil pump 20, the first refueling machine and the refueling reel system 19 and the second refueling machine and the refueling reel system 25 is formed. When the first output port of the air-controlled combination switch 7 is closed, the alarm 5, the first emergency shut-off valve 61 and the second emergency shut-off valve 62 are closed. When the second output port of the air-controlled combination switch 7 is opened, the first oil and gas recovery valve 111 and the second oil and gas recovery valve 112 are opened. When the recovery valve 112 is in the working state, the second output port of the gas-controlled combination switch 7 is closed, the first oil and gas recovery valve 111 and the second oil and gas recovery valve 112 are in the non-working state, and when the third output port of the gas-controlled combination switch 7 is opened, the first gas-controlled locking device 16 is in the working state, and the opening and closing door of the oil unloading valve anti-opening device 15 can be opened, and when the third output port of the gas-controlled combination switch 7 is closed, the first gas-controlled locking device 16 is in the non-working state. state, the opening and closing door of the oil unloading valve anti-opening device 15 can be closed, and when the fourth output port of the air-controlled combination switch 7 is opened, the second air-controlled locking device 26 is in a working state, and the manhole cover anti-opening device 18 can be turned over to expose the manhole cover 17, and when the fourth output port of the air-controlled combination switch 7 is closed, the second air-controlled locking device 26 is in a non-working state, and the manhole cover anti-opening device 18 can be locked to suppress the manhole cover 17.

[0132] When the pneumatic brake valve 24 is in a closed state, the brake air chamber of the oil tanker is in a non-working state, and the oil tanker is in a driving state, that is, the second reversing valve 4 is in an open state, and the high-pressure gas in the first storage cylinder 23 is disconnected from the input port of the air-controlled combination switch 7, thereby ensuring that the air-controlled combination switch 7 can be connected to the high-pressure gas only when the oil tanker is in a braking state.

[0133] When the oil tanker is in a braking state and refueling operations are being performed, when the pressure value of the high-pressure gas in the first storage cylinder 23 is less than the specified working pressure value of the air-controlled combination switch 7, the emergency control switch 8 is in an open state, and the high-pressure gas in the second storage cylinder 12 is connected to the input port of the air-controlled combination switch 7 through the shuttle valve 9, and the high-pressure gas in the second storage cylinder 12 is separated from the gas and liquid through the oil-water separator 10, and the high-pressure gas in the second storage cylinder 12 is connected to the auxiliary air storage cylinder of the oil tanker through the one-way valve 13.

[0134] In the second embodiment of the present invention, the first storage cylinder 23, the second switching valve 4 and the pneumatic brake valve 24 are connected to each other in a manner that the auxiliary components and the main components are operated in conjunction with each other.

[0135] In this embodiment, the pneumatic brake valve 24 is connected to the first storage cylinder 23 and the second reversing valve 4 in a manner in which one of the branch air source output interfaces is the air source passage interface of the main component.

[0136] In this embodiment, the accessory component is configured to include a telescopic cylinder 1 , a first reversing valve 2 and a switch 3 .

[0137] In this embodiment, the main components are arranged with a gas-controlled combination switch 7, an emergency shut-off valve group 6, an oil and gas recovery valve group 11, an oil unloading valve 14, a manhole cover 17, an electromagnetic gas-controlled valve 21, an electromagnetic gas-controlled valve switch 22, a double gear oil pump 20, a first refueling machine and a refueling reel system 19 and a second refueling machine and a refueling reel system 25.

[0138] In this embodiment, a first accessory device is further included and is arranged on the accessory component. The first accessory device is arranged to include a throttle valve 27 and a muffler 28 .

[0139] In this embodiment, a second accessory device is further included and arranged on the main component, and the second accessory device is arranged as an alarm 5 .

[0140] In this embodiment, a third accessory device is further included and arranged on the main component. The third accessory device is arranged to include an oil unloading valve anti-opening device 15 and a first gas-controlled locking device 16 .

[0141] In this embodiment, a fourth accessory device is further included and is arranged on the main component. The fourth accessory device is arranged to include a manhole cover anti-opening device 18 and a second gas-controlled locking device 26 .

[0142] In this embodiment, a fifth accessory device is also included and is arranged on the main component. The fifth accessory device is arranged to include a shuttle valve 9, an emergency control switch 8, an oil-water separator 10, a second storage cylinder 12 and a one-way valve 13.

[0143] The second embodiment of the present invention is based on the first embodiment.

[0144] The second embodiment of the present invention comprises the following steps: the first storage cylinder 23 realizes the air source supply to the accessory component and the main component, the second reversing valve 4 and the pneumatic brake valve 24 realize the linkage operation of the accessory component and the main component,

[0145] The second embodiment of the present invention is based on the first embodiment.

[0146] The present invention has the following characteristics:

[0147] 1. Due to the design of the first storage cylinder 23, the second reversing valve 4 and the pneumatic brake valve 24, the air source supply to the accessory components and the main components is realized through the first storage cylinder 23, and the linkage operation of the accessory components and the main components is realized through the second reversing valve 4 and the pneumatic brake valve 24, thereby improving the operational safety performance of the oil tanker.

[0148] 2. Due to the design of the throttle valve 27, the slow contraction movement of the telescopic cylinder 1 is achieved.

[0149] 3. Due to the design of the alarm 5, the working status monitoring of the online emergency shut-off valve group 6 is realized.

[0150] 4. Due to the design of the oil unloading valve anti-opening device 15 and the first pneumatic locking device 16, the safety protection of the oil unloading valve 14 is achieved.

[0151] 5. Due to the design of the manhole cover anti-opening device 18 and the second gas-controlled locking device 26, the safety protection of the manhole cover 17 is achieved.

[0152] 6. Due to the design of the shuttle valve 9, the emergency control switch 8, the oil-water separator 10, the second storage cylinder 12 and the one-way valve 13, a secondary air source supply to the air-controlled combination switch 7 is realized.

[0153] 7. Since the design limits the numerical range of the structural shape, the numerical range is the technical feature in the technical solution of the present invention, rather than a technical feature calculated by a formula or obtained through a limited number of tests. Tests have shown that the technical feature of this numerical range has achieved good technical effects.

[0154] 8. Due to the design of the technical features of the present invention, the effects of the individual and combined technical features have been shown through experiments to have various performance indicators of the present invention that are at least 1.7 times the existing performance indicators, and have been evaluated to have good market value.

[0155] There are other technical features connected with the first storage cylinder 23, the second reversing valve 4 and the pneumatic brake valve 24 for the linkage operation of the accessory components and the main components, which are all embodiments of the present invention, and the technical features of the above-mentioned embodiments can be combined arbitrarily. In order to meet the requirements of the Patent Law, the Patent Implementation Rules and the Examination Guidelines, all possible combinations of the technical features in the above-mentioned embodiments will no longer be described.

[0156] The above embodiment is only one implementation form of the gas circuit linkage device and method for oil tankers provided by the present invention. Other variations of the scheme provided by the present invention, adding or reducing components or steps therein, or applying the present invention to other technical fields close to the present invention, all fall within the protection scope of the present invention.

Claims

1. A gas line linkage device for an oil tanker, characterized in that: The invention comprises a first storage cylinder (23) used as a gas source, a second reversing valve (4) arranged to be connected to the first storage cylinder (23) and used as a gas source passage interface of an accessory component, and a pneumatic brake valve (24) arranged to be connected to the second reversing valve (4) and used as a gas source passage interface of a main component. The accessory component comprises a telescopic cylinder (1), a first reversing valve (2) and a switch (3). The main components include a gas-controlled combination switch (7), an emergency shut-off valve group (6), an oil and gas recovery valve group (11), an oil unloading valve (14), a manhole cover (17), an electromagnetic gas-controlled valve (21), an electromagnetic gas-controlled valve switch (22), a double gear oil pump (20), a first oil dispenser and an oil reel system (19), and a second oil dispenser and an oil reel system (25). A first accessory device is also included and is arranged on the accessory component. The first accessory device includes a throttle valve (27) and a muffler (28). It also includes a second accessory device and the second accessory device is arranged on the main component, and the second accessory device is arranged as an alarm (5). The invention also comprises a third accessory device and the third accessory device is arranged on the main component, the third accessory device comprises an oil unloading valve anti-opening device (15) and a first gas-controlled locking device (16), The invention also comprises a fourth accessory device and the fourth accessory device is arranged on the main component, the fourth accessory device comprises a manhole cover anti-opening device (18) and a second gas-controlled locking device (26), The invention also comprises a fifth accessory device which is arranged on the main component, and the fifth accessory device comprises a shuttle valve (9), an emergency control switch (8), an oil-water separator (10), a second storage cylinder (12) and a one-way valve (13). A throttle valve (27) is arranged on the first reversing valve (2), a muffler (28) is arranged on the switch (3), and a second reversing valve (4) is arranged on the first storage cylinder (23); the switch (3) and a pneumatic brake valve (24) are arranged on the second reversing valve (4); the first reversing valve (2) is arranged between the switch (3) and the telescopic cylinder (1); and the pneumatic brake valve (24), a shuttle valve (9), an emergency shut-off valve group (6), an oil and gas recovery valve group (11), a first pneumatic locking device (16) and a second pneumatic locking device (26) are respectively arranged on the pneumatic combination switch (7); the alarm (5) is arranged between the emergency shut-off valve group (6) and the pneumatic combination switch (7), and an oil unloading valve anti-opening device is arranged on the oil unloading valve (14). (15) and an electromagnetic gas-controlled valve (21), a first gas-controlled locking device (16) is arranged on the oil discharge valve anti-opening device (15), and a manhole cover anti-opening device (18) is arranged on the manhole cover (17), a second gas-controlled locking device (26) is arranged on the manhole cover anti-opening device (18), and an emergency control switch (8) is arranged between the oil-water separator (10) and the shuttle valve (9), a second storage cylinder (12) is arranged between the oil-water separator (10) and the one-way valve (13), and an electromagnetic gas-controlled valve switch (22) is arranged on the electromagnetic gas-controlled valve (21), and a double gear oil pump (20) is arranged between the electromagnetic gas-controlled valve (21) and the first fuel dispenser and fuel reel system (19) and the second fuel dispenser and fuel reel system (25), The first storage cylinder (23), the second reversing valve (4) and the pneumatic brake valve (24) are connected to each other in a manner of linkage operation of the accessory component and the main component.

2. The gas circuit linkage device for an oil tanker according to claim 1 is characterized in that: The pneumatic brake valve (24) is connected to the first storage cylinder (23) and the second reversing valve (4) in a manner in which one of the branch air source output interfaces is the air source passage interface of the main component.

3. The gas circuit linkage device for an oil tanker according to claim 1 is characterized in that: The first storage cylinder (23) is configured as a can-shaped body and the output port portion of the first storage cylinder (23) is configured to be connected to the second reversing valve (4), and the input port portion of the first storage cylinder (23) is configured to be connected to the pneumatic pipeline of the oil tanker. Alternatively, the second reversing valve (4) is configured as a two-position three-way reversing valve and an input port portion of the second reversing valve (4) is configured to be connected to the first storage cylinder (23), one of the output ports of the second reversing valve (4) is configured to be connected to the switch (3) and another of the output ports of the second reversing valve (4) is configured to be connected to the pneumatic brake valve (24), Alternatively, the pneumatic brake valve (24) is configured as a hand-pull brake valve and the input port portion of the pneumatic brake valve (24) is configured to be connected to the second reversing valve (4), and the output port portion of the pneumatic brake valve (24) is configured to be connected to the brake air chamber of the oil tanker and the pneumatic control combination switch (7), respectively.

4. The gas circuit linkage device for an oil tanker according to claim 1 is characterized in that: The housing of the telescopic cylinder (1) is arranged to be connected to the upper end surface of the oil tank via a pin shaft, and the telescopic end of the telescopic cylinder (1) is arranged to be connected to the tank top guardrail via a pin shaft. The telescopic cylinder (1) is arranged to be a two-section pneumatic telescopic cylinder, and the pneumatic power port of the telescopic cylinder (1) is arranged to be connected to the first reversing valve (2). Alternatively, the first reversing valve (2) is configured as a two-position five-way reversing valve and the exhaust port portion of the first reversing valve (2) is configured to be connected to the throttle valve (27), the output port portion of the first reversing valve (2) is configured to be connected to the telescopic cylinder (1) and the input port portion of the first reversing valve (2) is configured to be connected to the switch (3), Or, the throttle valve (27) is configured as a sliding sleeve throttle valve and the throttle valve (27) is configured to be connected to the first reversing valve (2), Or, the switch (3) is configured as a gas-operated switch and the exhaust port portion of the switch (3) is configured to be connected to the muffler (28), the output port portion of the switch (3) is configured to be connected to the first reversing valve (2) and the input port portion of the switch (3) is configured to be connected to the second reversing valve (4), Or, the silencer (28) is configured as an air flow silencer and the silencer (28) is configured to be connected to the switch (3), Or, the input port portion of the air-controlled combination switch (7) is respectively arranged to be connected to the shuttle valve (9) and the first output port portion of the air-controlled combination switch (7) is arranged to be connected to the alarm (5) and the emergency shut-off valve group (6), the second output port portion of the air-controlled combination switch (7) is arranged to be connected to the oil and gas recovery valve group (11) and the third output port portion of the air-controlled combination switch (7) is arranged to be connected to the first air-controlled locking device (16), and the fourth output port portion of the air-controlled combination switch (7) is arranged to be connected to the second air-controlled locking device (26), Or, one of the ports of the shuttle valve (9) is arranged to be connected to the pneumatic combination switch (7) and another of the ports of the shuttle valve (9) is arranged to be connected to the emergency control switch (8) and the pneumatic brake valve (24), respectively. Or, the emergency control switch (8) is configured as a manual valve and one of the ports of the emergency control switch (8) is configured to be connected to the shuttle valve (9), and another port of the emergency control switch (8) is configured to be connected to the oil-water separator (10), Or, the oil-water separator (10) is configured as a gas-liquid separator and one of the ports of the oil-water separator (10) is configured to be connected to the emergency control switch (8), and another of the ports of the oil-water separator (10) is configured to be connected to the second storage cylinder (12). Or, the second storage cylinder (12) is configured as a can-shaped body and the output port portion of the second storage cylinder (12) is configured to be connected to the oil-water separator (10), and the input port portion of the second storage cylinder (12) is configured to be connected to the one-way valve (13), Or, one of the ports of the one-way valve (13) is arranged to be connected to the second storage cylinder (12) and another of the ports of the one-way valve (13) is arranged to be connected to the auxiliary air storage cylinder of the oil tanker, Or, the alarm (5) is configured as a gas pressure alarm and the input port of the alarm (5) is configured to be connected to the gas-controlled combination switch (7) and the emergency shut-off valve group (6), respectively. Alternatively, the emergency shut-off valve group (6) is configured to include a first emergency shut-off valve (61) and a second emergency shut-off valve (62), and the control port portion of the first emergency shut-off valve (61) and the control port portion of the second emergency shut-off valve (62) are respectively configured to be connected to the gas-controlled combination switch (7), the output port portion of the first emergency shut-off valve (61) and the output port portion of the second emergency shut-off valve (62) are respectively configured to be connected to the oil unloading valve (14), and the input port portion of the first emergency shut-off valve (61) is configured to be connected in a communication manner with the first tank body of the oil tank, and the input port portion of the second emergency shut-off valve (62) is configured to be connected in a communication manner with the second tank body of the oil tank, and the first emergency shut-off valve (61) and the second emergency shut-off valve (62) are respectively configured to be safety shut-off valves, Alternatively, the oil and gas recovery valve group (11) is configured to include a first oil and gas recovery valve (111) and a second oil and gas recovery valve (112), and the control port portion of the first oil and gas recovery valve (111) and the control port portion of the second oil and gas recovery valve (112) are respectively configured to be connected to the gas-controlled combination switch (7), the first oil and gas recovery valve (111) is arranged on a first tank body of the oil tank, and the second oil and gas recovery valve (112) is arranged on a second tank body of the oil tank, Or, the oil unloading valve anti-opening device (15) is provided as a box body having an opening and closing door and the oil unloading valve anti-opening device (15) is provided to be connected to the frame of the oil tanker, the oil unloading valve anti-opening device (15) is provided to be connected to the oil unloading valve (14) in an accommodating manner and a first gas-controlled locking device (16) is provided on the opening and closing door of the oil unloading valve anti-opening device (15), Or, the first gas-controlled locking device (16) is configured as a gas-controlled lock and the control port portion of the first gas-controlled locking device (16) is configured to be connected to the gas-controlled combination switch (7), and the first gas-controlled locking device (16) is configured to be connected to the oil unloading valve anti-opening device (15), Or, the manhole cover (17) is configured to be connected to the oil tank and the upper end surface portion of the manhole cover (17) is configured to be connected to the manhole cover anti-opening device (18), Or, the manhole cover anti-opening device (18) is configured as a flip frame and the middle portion of the manhole cover anti-opening device (18) is configured to be connected to the manhole cover (17), one end portion of the manhole cover anti-opening device (18) is configured to be connected to the oil tank via a pin shaft and the other end portion of the manhole cover anti-opening device (18) is configured to be connected to the second gas-controlled locking device (26), Or, the second gas-controlled locking device (26) is configured as a gas-controlled lock and the control port portion of the second gas-controlled locking device (26) is configured to be connected to the gas-controlled combination switch (7), and the second gas-controlled locking device (26) is configured to be connected to the manhole cover anti-opening device (18), Alternatively, the housing of the oil unloading valve (14) is arranged to be connected to the oil unloading valve anti-opening device (15), the input port of the oil unloading valve (14) is arranged to be connected to the emergency shut-off valve group (6), and the output port of the oil unloading valve (14) is arranged to be connected to the electromagnetic air control valve (21), Or, the control port portion of the electromagnetic air-controlled valve (21) is arranged to be connected to the electromagnetic air-controlled valve switch (22), and one of the port portions of the electromagnetic air-controlled valve (21) is arranged to be connected to the oil unloading valve (14), and another of the port portions of the electromagnetic air-controlled valve (21) is arranged to be connected to the double gear oil pump (20), Or, the input port of the double gear oil pump (20) is arranged to be connected to the electromagnetic gas control valve (21), and the output port of the double gear oil pump (20) is arranged to be connected to the first fuel dispenser and fuel reel system (19) and the second fuel dispenser and fuel reel system (25), respectively. Or, the first fuel dispenser and fuel reel system (19) and the second fuel dispenser and fuel reel system (25) are respectively configured as fuel dispensers having fuel reels, and the input port portion of the first fuel dispenser and fuel reel system (19) and the input port portion of the second fuel dispenser and fuel reel system (25) are respectively configured to be connected to a double gear oil pump (20), Or, the input port of the electromagnetic air-controlled valve switch (22) is arranged to be connected to the electromagnetic air-controlled valve (21) and the power port of the electromagnetic air-controlled valve switch (22) is arranged to be connected to an electrode of a battery, Alternatively, the second reversing valve (4), the pneumatic brake valve (24) and the alarm (5) are arranged in the cab of the oil tanker, and the pneumatic combination switch (7) and the emergency control switch (8) are arranged on the frame of the oil tanker.

5. The gas circuit linkage device for an oil tanker according to any one of claims 1 to 4, characterized in that: The second reversing valve (4) and the first storage cylinder (23) are arranged to be distributed in a single-port connected manner with the switch (3), the pneumatic brake valve (24) and the pneumatic control combination switch (7); and the second reversing valve (4), the first storage cylinder (23), the switch (3), the pneumatic brake valve (24) and the pneumatic control combination switch (7) are arranged to be distributed in a linked working manner with the telescopic cylinder (1), the first reversing valve (2), the emergency shut-off valve group (6), the oil and gas recovery valve group (11), the oil unloading valve (14), the oil unloading valve anti-opening device (15), the first pneumatic control locking device (16), the manhole cover (17), the manhole cover anti-opening device (18) and the second pneumatic control locking device (26); and the second reversing valve (4), the first storage cylinder (23), the switch (3), the pneumatic brake valve (24) and the pneumatic control combination switch (7) are arranged to be distributed in a linked working manner with the shuttle valve (9). , the emergency control switch (8), the oil-water separator (10), the second storage cylinder (12) and the one-way valve (13) are arranged to be distributed in the form of a bypass gas source, and the second reversing valve (4), the first storage cylinder (23), the switch (3), the pneumatic brake valve (24) and the pneumatic control combination switch (7) and the emergency shut-off valve group (6) and the alarm (5) are arranged to be distributed in the form of online monitoring of air pressure, and the second reversing valve (4), the first storage cylinder (23), the switch (3), the pneumatic brake valve (24) and the pneumatic control combination switch (7) and the emergency shut-off valve group (6), the oil unloading valve (14), the electromagnetic pneumatic control valve (21), the electromagnetic pneumatic control valve switch (22), the double gear oil pump (20), the first fuel dispenser and the fuel reel system (19) and the second fuel dispenser and the fuel reel system (25) are arranged to be distributed in the form of a dual oil channel.

6. A gas circuit linkage method for a gas circuit linkage device for an oil tanker according to claim 1, characterized in that the steps are: The first storage cylinder (23) realizes the air source supply to the accessory component and the main component, and the second reversing valve (4) and the pneumatic brake valve (24) realize the linkage operation of the accessory component and the main component.

7. The gas circuit linkage method according to claim 6 is characterized in that: the steps are: When the pneumatic brake valve (24) is in an open state, the brake air chamber of the oil tanker is in an operating state, and the oil tanker is in a braking state. When the second reversing valve (4) is in an open state, the high-pressure gas in the first storage cylinder (23) is communicated with the input port of the switch (3) and the input port of the pneumatic combination switch (7). When the switch (3) is operated, when the switch (3) is turned on, the high-pressure gas in the first storage cylinder (23) passes through the first reversing valve (2), driving the telescopic cylinder (1) to be in an extended state, so that the tank top guardrail is raised, and the oil tank is safely protected. When the switch (3) is turned off, the high-pressure gas in the telescopic cylinder (1) is discharged through the throttle valve (27) of the first reversing valve (2) and the muffler (28) of the switch (3), so that the telescopic cylinder (1) is in a contracted state, and the tank top guardrail is lowered. When the air-controlled combination switch (7) is operated, the first output port of the air-controlled combination switch (7) is opened, the alarm (5), the first emergency shut-off valve (61) and the second emergency shut-off valve (62) are opened, and the alarm (5) monitors the air pressure value of the control port of the emergency shut-off valve group (6) online. When the air pressure value of the emergency shut-off valve group (6) in the opened state is less than a specified value, the alarm (5) sends an alarm signal, and the oil unloading valve (14) is opened through the first emergency shut-off valve (61) and the second emergency shut-off valve (62). When the electromagnetic gas-controlled valve switch (22) is used to open the electromagnetic gas-controlled valve (21), a dual-oil-channel refueling device is formed by the dual gear oil pump (20), the first refueling machine and the refueling reel system (19), and the second refueling machine and the refueling reel system (25). When the first output port of the gas-controlled combination switch (7) is closed, the alarm (5), the first emergency shut-off valve (61), and the second emergency shut-off valve (62) are closed. When the second output port of the gas-controlled combination switch (7) is opened, the first oil and gas recovery valve (111) is opened. When the second oil and gas recovery valve (112) is in an operating state, the second output port of the air-controlled combination switch (7) is closed, the first oil and gas recovery valve (111) and the second oil and gas recovery valve (112) are in a non-operating state, and when the third output port of the air-controlled combination switch (7) is opened, the first air-controlled locking device (16) is in an operating state, so that the opening and closing door of the oil unloading valve anti-opening device (15) can be opened, and when the third output port of the air-controlled combination switch (7) is closed, the first air-controlled locking device (16) is in a non-operating state. In the working state, the opening and closing door of the oil unloading valve anti-opening device (15) can be closed, and when the fourth output port of the air-controlled combination switch (7) is opened, the second air-controlled locking device (26) is in the working state, and the manhole cover anti-opening device (18) can be turned over to expose the manhole cover (17). When the fourth output port of the air-controlled combination switch (7) is closed, the second air-controlled locking device (26) is in the non-working state, and the manhole cover anti-opening device (18) can be locked to suppress the manhole cover (17). When the pneumatic brake valve (24) is in a closed state, the brake air chamber of the oil tanker is in a non-operating state, and the oil tanker is in a driving state, that is, the second reversing valve (4) is in an open state, and the high-pressure gas in the first storage cylinder (23) is disconnected from the input port of the pneumatic combination switch (7), thereby ensuring that the pneumatic combination switch (7) can be connected to the high-pressure gas only when the oil tanker is in a braking state. When the oil tanker is in a braking state and refueling is being performed, when the pressure value of the high-pressure gas in the first storage cylinder (23) is less than the specified working pressure value of the gas-controlled combination switch (7), the emergency control switch (8) is turned on, and the high-pressure gas in the second storage cylinder (12) is connected to the input port of the gas-controlled combination switch (7) through the shuttle valve (9), and the high-pressure gas in the second storage cylinder (12) is separated into gas and liquid through the oil-water separator (10), and the high-pressure gas in the second storage cylinder (12) is connected to the auxiliary gas storage cylinder of the oil tanker through the one-way valve (13).

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