CN216651300U - Gas circuit linkage device for oil transport vehicle - Google Patents

Abstract

The utility model provides a gas circuit aggregate unit for oil truck, include and be used for as first storage cylinder (23) of gas source, set up to hookup and be used for second switching-over valve (4) as the air supply access interface of annex part with first storage cylinder (23), set up to hookup and be used for as pneumatic brake valve (24) of the air supply access interface of main part with second switching-over valve (4), through first storage cylinder (23), the air supply to annex part and main part has been realized, through second switching-over valve (4) and pneumatic brake valve (24), the linkage operation to annex part and main part has been realized, consequently, the operation safety performance of oil truck has been improved.

Description

Gas circuit linkage device for oil transport vehicle

Technical Field

The utility model relates to a gas circuit linkage device, in particular to a gas circuit linkage device for an oil truck.

Background

The oil truck is widely applied to the transportation process of oil products, a tank top pneumatic guardrail needs to be arranged in order to ensure the safety of the operation of personnel on the tank top and the convenience of operation, meanwhile, in order to ensure that the vehicle does not exceed the height during the running process, the tank top guardrail needs to completely fall before the vehicle runs, and therefore the parking brake and the tank top guardrail need to be linked,

in order to ensure the safety of the dangerous cargo transport vehicle and prevent oil leakage, GB7258-2017 specifies a tank type dangerous cargo transport vehicle provided with an emergency cut-off device, which is designed and manufactured to ensure that the emergency cut-off valve can be automatically closed when the vehicle for transporting liquid dangerous cargo runs at a speed of more than 5km/h, or an obvious signal device can remind a driver of closing the emergency cut-off valve when an engine is started and simultaneously closing an oil gas recovery device,

the linkage of parking braking, tank deck rail guard and an emergency cut-off valve gas circuit can greatly improve the whole vehicle safety of the oil truck, and no gas circuit linkage device for the oil truck exists at present.

The technical scheme of the utility model is made based on the technical problems, technical features and technical effects in the technical background of the applicant.

Disclosure of Invention

The utility model aims to provide a gas circuit linkage device for an oil truck.

In order to overcome the technical defects, the utility model aims to provide the air path linkage device for the oil truck, so that the operation safety performance of the oil truck is improved.

In order to achieve the purpose, the utility model adopts the technical scheme that: a gas circuit linkage device for an oil truck comprises a first storage cylinder used as a gas source, a second reversing valve arranged to be connected with the first storage cylinder and used as an air source passage interface of an accessory part, and a pneumatic brake valve arranged to be connected with the second reversing valve and used as an air source passage interface of a main part.

The first storage cylinder is used for supplying air sources to the accessory parts and the main parts, and the second reversing valve and the pneumatic brake valve are used for realizing linkage operation of the accessory parts and the main parts, so that the operation safety performance of the oil truck is improved.

The utility model relates to the interconnection of a first storage cylinder, a second reversing valve and a pneumatic brake valve in a linkage operation mode of an accessory part and a main part.

The utility model designs that a pneumatic brake valve is connected with a first storage cylinder and a second reversing valve in a mode of taking one branched air source output interface as an air source passage interface of a main component.

The utility model designs that the accessory part comprises a telescopic cylinder, a first reversing valve and a switch.

The utility model designs that the main components are arranged into a pneumatic control combined switch, an emergency cut-off valve group, an oil gas recovery valve group, an oil discharge valve, a manhole cover, an electromagnetic pneumatic control valve switch, a duplicate gear oil pump, an oiling reel system of a first oiling machine and an oiling reel system of a second oiling machine.

The technical effects of the four technical schemes are as follows: the interlocking linkage of the running state of the oil truck and the operation state of the tank body is realized, and the safety performance of the oil truck is improved.

The utility model contemplates that the first accessory device is included and disposed on the accessory member, the first accessory device being configured to include a throttle valve and a muffler.

The utility model contemplates that the alarm further comprises a second accessory device and the second accessory device is disposed on the main component, the second accessory device being configured as an alarm.

The utility model designs that the oil-discharging valve further comprises a third accessory device, the third accessory device is arranged on the main part, and the third accessory device is arranged to comprise an oil-discharging valve opening preventing device and a first pneumatic control locking device.

The utility model designs that the manhole cover further comprises a fourth accessory device, the fourth accessory device is arranged on the main component, and the fourth accessory device is arranged to comprise a manhole cover opening preventing device and a second pneumatic control locking device.

The utility model designs that the emergency water separator also comprises a fifth accessory device which is arranged on the main part, and the fifth accessory device comprises a shuttle valve, an emergency control switch, an oil-water separator, a second storage cylinder and a one-way valve.

The technical effects of the five technical schemes are as follows: integrated mounting of other components is achieved.

The utility model designs that a throttle valve is arranged on a first reversing valve, a silencer is arranged on a switch, a second reversing valve is arranged on a first storage cylinder, a switch and a pneumatic brake valve are arranged on the second reversing valve, the first reversing valve is arranged between the switch and an expansion cylinder, a pneumatic brake valve, a shuttle valve, an emergency cut-off valve set, an oil-gas recovery valve set, a first pneumatic control locking device and a second pneumatic control locking device are respectively arranged on a pneumatic control combined switch, an alarm is arranged between the emergency cut-off valve set and the pneumatic control combined switch, an oil discharge valve opening-preventing device and an electromagnetic pneumatic control valve are arranged on an oil discharge valve, a first pneumatic control locking device is arranged on the oil discharge valve opening-preventing device, a manhole cover opening-preventing device is arranged on the manhole cover opening-preventing device, a second pneumatic control locking device is arranged on the manhole cover opening-preventing device, and an emergency control switch is arranged between an oil-water separator and the shuttle valve, a second storage cylinder is arranged between the oil-water separator and the one-way valve, an electromagnetic pneumatic control valve switch is arranged on the electromagnetic pneumatic control valve, and a duplicate gear oil pump is arranged between the electromagnetic pneumatic control valve and the oiling reel system of the first oiling machine and the oiling reel system of the second oiling machine.

The technical effects of the technical scheme are as follows: the utility model relates to a pneumatic brake valve, which comprises a telescopic cylinder, a first reversing valve, a switch, a second reversing valve, a pneumatic brake valve, a first storage cylinder, a throttle valve, a silencer, an alarm, a pneumatic control combination switch, an emergency cut-off valve bank, an oil-gas recovery valve bank, an oil discharge valve anti-opening device, a first pneumatic control locking device, a manhole cover anti-opening device, a second pneumatic control locking device, a shuttle valve, an emergency control switch, an oil-water separator, a second storage cylinder, a one-way valve, an electromagnetic pneumatic control valve switch, a dual gear oil pump, an oiling reel system of a first oiling machine and an oiling reel system of a second oiling machine.

The utility model designs that a shell of a telescopic cylinder is connected with the upper end surface part of an oil tank through a pin shaft, a telescopic end of the telescopic cylinder is connected with a tank top guardrail through a pin shaft, the telescopic cylinder is a two-section type pneumatic telescopic cylinder, and a pneumatic power port part of the telescopic cylinder is connected with a first reversing valve.

The utility model designs that the first reversing valve is set to be a two-position five-way reversing valve, the exhaust port part of the first reversing valve is set to be connected with the throttle valve, the output port part of the first reversing valve is set to be connected with the telescopic cylinder, and the input port part of the first reversing valve is set to be connected with the switch.

The utility model provides that the throttle valve is arranged as a sliding sleeve type throttle valve and is arranged to be connected with the first reversing valve.

The utility model designs that the switch is set to be a pneumatic control switch, the exhaust port part of the switch is set to be connected with the silencer, the output port part of the switch is set to be connected with the first reversing valve, and the input port part of the switch is set to be connected with the second reversing valve.

The utility model provides that the silencer is designed as an air flow silencer and that the silencer is designed to be coupled to the switch.

The utility model designs that the second reversing valve is set to be a two-position three-way reversing valve, the input port part of the second reversing valve is set to be connected with the first storage cylinder, one output port part of the second reversing valve is set to be connected with the switch, and the other output port part of the second reversing valve is set to be connected with the pneumatic brake valve.

The utility model designs that the first storage cylinder is arranged into a tank body, the output port part of the first storage cylinder is connected with the second reversing valve, and the input port part of the first storage cylinder is connected with a pneumatic pipeline of the oil truck.

The utility model designs that the pneumatic brake valve is set as a hand-pulling brake valve, the inlet port of the input end of the pneumatic brake valve is set to be connected with the second reversing valve, and the outlet port of the output end of the pneumatic brake valve is respectively set to be connected with a brake air chamber and a pneumatic control combination switch of the oil truck.

The utility model designs that the input port parts of the pneumatic control combination switch are respectively connected with a shuttle valve, the first output port part of the pneumatic control combination switch is connected with an alarm and an emergency cut-off valve group, the second output port part of the pneumatic control combination switch is connected with an oil gas recovery valve group, the third output port part of the pneumatic control combination switch is connected with a first pneumatic control locking device, and the fourth output port part of the pneumatic control combination switch is connected with a second pneumatic control locking device.

The utility model provides that one of the port parts of the shuttle valve is connected with the pneumatic combination switch, and the other port part of the shuttle valve is respectively connected with the emergency control switch and the pneumatic brake valve.

The utility model designs that the emergency control switch is arranged as a manual valve, one port part of the emergency control switch is arranged to be connected with the shuttle valve, and the other port part of the emergency control switch is arranged to be connected with the oil-water separator.

The utility model designs that the oil-water separator is arranged as a gas-liquid separator, one port part of the oil-water separator is connected with the emergency control switch, and the other port part of the oil-water separator is connected with the second storage cylinder.

The utility model designs that the second storage cylinder is arranged into a tank body, the outlet port of the second storage cylinder is connected with the oil-water separator, and the inlet port of the second storage cylinder is connected with the one-way valve.

The utility model envisages that one of the port portions of the one-way valve is arranged to be coupled with the second storage cylinder and the other port portion of the one-way valve is arranged to be coupled with an auxiliary air reservoir of the tanker.

The utility model designs that the alarm is set as an air pressure alarm, and the opening part of the input end of the alarm is respectively set to be communicated and connected with the air control combination switch and the emergency cut-off valve group.

The utility model designs that the emergency cut-off valve group comprises a first emergency cut-off valve and a second emergency cut-off valve, the control port part of the first emergency cut-off valve and the control port part of the second emergency cut-off valve are respectively connected with a pneumatic control combined switch, the output port part of the first emergency cut-off valve and the output port part of the second emergency cut-off valve are respectively connected with an oil discharge valve, the input port part of the first emergency cut-off valve is connected with a first cabin body of an oil tank in a communicating mode, the input port part of the second emergency cut-off valve is connected with a second cabin body of the oil tank in a communicating mode, and the first emergency cut-off valve and the second emergency cut-off valve are respectively arranged as safety cut-off valves.

The utility model designs that the oil gas recovery valve group comprises a first oil gas recovery valve and a second oil gas recovery valve, a control port part of the first oil gas recovery valve and a control port part of the second oil gas recovery valve are respectively connected with a pneumatic control combination switch, the first oil gas recovery valve is arranged on a first bin body connection of an oil tank, and the second oil gas recovery valve is arranged on a second bin body of the oil tank.

The utility model designs that the oil discharge valve opening preventing device is arranged as a box body with an opening and closing door and is connected with a frame of an oil transporting vehicle, the oil discharge valve opening preventing device is arranged to be connected with the oil discharge valve in an accommodating mode, and a first pneumatic locking device is arranged on the opening and closing door of the oil discharge valve opening preventing device.

The utility model designs that the first pneumatic locking device is set to be a pneumatic lock, the control port part of the first pneumatic locking device is set to be connected with the pneumatic combination switch, and the first pneumatic locking device is set to be connected with the oil discharge valve opening preventing device.

The utility model designs that the manhole cover is connected with the oil tank and the upper end surface of the manhole cover is connected with the manhole cover anti-opening device.

The utility model designs that the manhole cover anti-opening device is arranged as a roll-over stand, the middle part of the manhole cover anti-opening device is arranged to be connected with a manhole cover, one end part of the manhole cover anti-opening device is arranged to be connected with an oil tank through a pin shaft, and the other end part of the manhole cover anti-opening device is arranged to be connected with a second pneumatic control locking device.

The utility model designs that the second pneumatic control locking device is set to be a pneumatic control lock, the control port part of the second pneumatic control locking device is set to be connected with the pneumatic control combination switch, and the second pneumatic control locking device is set to be connected with the manhole cover anti-opening device.

The utility model designs that a shell of the oil discharge valve is connected with an oil discharge valve opening prevention device, an input port of the oil discharge valve is connected with an emergency cut-off valve group, and an output port of the oil discharge valve is connected with an electromagnetic pneumatic control valve.

The utility model designs that a control port part of the electromagnetic pneumatic control valve is connected with the electromagnetic pneumatic control valve switch, one port part of the electromagnetic pneumatic control valve is connected with the oil discharge valve, and the other port part of the electromagnetic pneumatic control valve is connected with the duplicate gear oil pump.

The utility model designs that the port part of the input end of the duplicate gear oil pump is connected with the electromagnetic pneumatic control valve and the port part of the output end of the duplicate gear oil pump is respectively connected with the oiling reel system of the first oiling machine and the oiling reel system of the second oiling machine.

The utility model designs that the refueling reel system of the first refueling machine and the refueling reel system of the second refueling machine are respectively arranged as the refueling machines with refueling reels, and the input port part of the refueling reel system of the first refueling machine and the input port part of the refueling reel system of the second refueling machine are respectively arranged to be connected with the duplicate gear oil pump.

The utility model designs that the input port of the electromagnetic pneumatic control valve switch is connected with the electromagnetic pneumatic control valve and the power port of the electromagnetic pneumatic control valve switch is connected with the electrode of the battery.

The utility model designs that the second reversing valve, the pneumatic brake valve and the alarm are arranged in a cab of the oil truck, and the pneumatic control combination switch and the emergency control switch are arranged on a frame of the oil truck.

The utility model designs that a second reversing valve, a first storage cylinder, a switch, a pneumatic brake valve, a pneumatic control combination switch, a telescopic cylinder, a first reversing valve, an emergency cut-off valve group, an oil gas recovery valve group, an oil discharge valve opening-preventing device, a first pneumatic control locking device, a manhole cover opening-preventing device and a second pneumatic control locking device are distributed in a linkage working mode, the second reversing valve, the first storage cylinder, the switch, the pneumatic brake valve, the pneumatic control combination switch, a shuttle valve, the emergency control switch, an oil-water separator, the second storage cylinder and a one-way valve are distributed in a bypass air source mode, and the second reversing valve, the first storage cylinder, the switch, the pneumatic brake valve, the pneumatic control combination switch, the emergency valve group and an alarm are distributed in a mode of monitoring air pressure again, the second reversing valve, the first storage cylinder, the switch, the pneumatic brake valve, the pneumatic control combined switch, the emergency cut-off valve bank, the oil discharge valve, the electromagnetic pneumatic control valve switch, the duplicate gear oil pump, the oil filling reel system of the first oiling machine and the oil filling reel system of the second oiling machine are distributed in a double-way oil duct mode.

In the technical scheme, a second reversing valve, a pneumatic brake valve and a first storage barrel are basic components and are also necessary technical characteristics of the utility model, a telescopic cylinder, a first reversing valve, a switch, a throttle valve, a silencer, an alarm, a pneumatic control combination switch, an emergency cut-off valve group, an oil-gas recovery valve group, an oil discharge valve anti-opening device, a first pneumatic control locking device, a manhole cover anti-opening device, a second pneumatic control locking device, a shuttle valve, an emergency control switch, an oil-water separator, a second storage barrel, a one-way valve, an electromagnetic pneumatic control valve switch, a duplicate gear oil pump, a first oiling reel system of a first oiling machine and a second oiling reel system of a second oiling machine are functional components and are characteristics for realizing other technical effects of the utility model, and the first emergency cut-off valve, the second emergency cut-off valve, the first oil-gas recovery valve and the second oil-gas recovery valve are designed according to the technical characteristics, is a technical characteristic in accordance with patent laws and detailed rules of implementation thereof.

In the technical scheme, the accessory parts refer to a tank top protective guard, and the main parts refer to a parking brake, a manhole cover, an oil gas recovery valve and an emergency cut-off valve.

In the technical scheme, the first storage cylinder, the second reversing valve and the pneumatic brake valve which are operated in a linkage mode of the accessory component and the main component are important technical features, and the pneumatic brake valve has novelty, creativity and practicability in the technical field of a gas circuit linkage device for an oil truck, and terms in the technical scheme can be explained and understood by patent documents in the technical field.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Figure 1 is a schematic view of the present invention,

the device comprises 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 silencer-28, an alarm-5, a pneumatic control combined switch-7, an emergency cut-off valve group-6, an oil gas recovery valve group-11, an oil discharge valve-14, an oil discharge valve anti-opening device-15, a first pneumatic control locking device-16, a manhole cover-17, a manhole cover anti-opening device-18, a second pneumatic control 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 valve switch-22, a duplicate gear oil pump-20, an oil pump, a hydraulic oil pump, a hydraulic oil pump, a, A refueling reel system-19 of the first refueling machine, a refueling reel system-25 of the second refueling machine, a first emergency cutoff valve-61, a second emergency cutoff valve-62, a first oil gas recovery valve-111, and a second oil gas recovery valve-112.

Detailed Description

Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, technical features involved in various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other, and unless otherwise specified, devices and materials used in the following examples are commercially available, and if processing conditions are not explicitly specified, please refer to a purchased product specification or follow a conventional method in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is a first embodiment of the present invention, which is specifically described with reference to the accompanying drawings, and includes a telescopic cylinder 1, a first directional control valve 2, a switch 3, a second directional control 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 cut-off valve group 6, an oil-gas recovery valve group 11, an oil drain valve 14, an oil drain valve opening prevention device 15, a first pneumatic control locking device 16, a manhole cover 17, a manhole cover opening prevention device 18, a second pneumatic control locking device 26, a shuttle valve 9, an emergency control switch 8, an oil-water separator 10, a second storage cylinder 12, a check valve 13, a solenoid pneumatic control valve 21, a solenoid pneumatic control valve switch 22, a duplicate gear oil pump 20, a first oiling reel system 19 of the first oiling machine, and a second oiling reel system 25 of the second oiling machine, and the throttle valve 27 is disposed on the first directional control valve 2, a muffler 28 is arranged on the switch 3, 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, a pneumatic brake valve 24, a shuttle valve 9, an emergency shut-off valve group 6, an oil-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, an alarm 5 is arranged between the emergency shut-off valve group 6 and the pneumatic combination switch 7, an oil discharge valve opening preventing device 15 and an electromagnetic pneumatic control valve 21 are arranged on the oil discharge valve 14, a first pneumatic locking device 16 is arranged on the oil discharge valve opening preventing device 15, and a manhole cover opening preventing device 18 is arranged on the manhole cover 17,

a second pneumatic locking device 26 is arranged on the manhole cover opening prevention device 18, 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 check valve 13, an electromagnetic pneumatic valve switch 22 is arranged on the electromagnetic pneumatic valve 21, and a duplicate gear oil pump 20 is arranged between the electromagnetic pneumatic valve 21 and the refueling reel system 19 and 25 of the first and second fuel dispensers.

In the embodiment, the casing of the telescopic cylinder 1 is connected with the upper end face of the oil tank through a pin shaft, the telescopic end of the telescopic cylinder 1 is connected with the tank top guardrail through a pin shaft, the telescopic cylinder 1 is a two-section type pneumatic telescopic cylinder, and the pneumatic power port of the telescopic cylinder 1 is connected with the first reversing valve 2.

Through telescoping cylinder 1, formed the support tie point to first switching-over valve 2, by telescoping cylinder 1, realized being connected its technical aim at with first switching-over valve 2: the lifting component is used as a tank top guardrail for lifting.

In the present embodiment, the first direction valve 2 is provided as a two-position five-way direction valve and the exhaust port portion of the first direction valve 2 is provided to be coupled with the throttle valve 27, the output port portion of the first direction valve 2 is provided to be coupled with the telescopic cylinder 1 and the input port portion of the first direction valve 2 is provided to be coupled with the switch 3.

Through first switching-over valve 2, formed the support tie point to telescoping cylinder 1, switch 3 and choke valve 27, by first switching-over valve 2, realized being connected with telescoping cylinder 1, realized being connected with switch 3, realized being connected with choke valve 27, its technical aim at: the telescopic cylinder 1 is used as a part for controlling the working state.

In the present embodiment, the throttle valve 27 is provided as a sleeve type throttle valve and the throttle valve 27 is provided in association with the first direction valve 2.

Through choke valve 27, formed the support connection point to first switching-over valve 2, by choke valve 27, realized the connection with first switching-over valve 2, its technical aim at: and is used as a control component for controlling the discharge air quantity of the first reversing valve 2.

In the present embodiment, the switch 3 is provided as an air-controlled switch and is provided to be coupled with the muffler 28 at the exhaust port portion of the switch 3, the output port portion of the switch 3 is provided to be coupled with the first direction valve 2 and the input port portion of the switch 3 is provided to be coupled with the second direction valve 4.

Through switch 3, formed the support tie point to first switching-over valve 2, second switching-over valve 4 and silencer 28, by switch 3, realized being connected with first switching-over valve 2, realized being connected with second switching-over valve 4, realized being connected with silencer 28, its technical aim at: as one of the means for controlling the operating state of the first directional control valve 2.

In the present embodiment, the muffler 28 is provided as a gas flow muffler and the muffler 28 is provided in association with the switch 3.

Through silencer 28, the support connection point to switch 3 has been formed, by silencer 28, has realized the connection with switch 3, and its technical aim is: as a means for silencing sound during the exhaust of the switch 3.

In the present embodiment, the second direction valve 4 is provided as a two-position three-way direction valve and the input port portion of the second direction valve 4 is provided to be coupled to the first storage cylinder 23, one of the output port portions of the second direction valve 4 is provided to be coupled to the switch 3 and the other of the output port portions of the second direction valve 4 is provided to be coupled to the pneumatic brake valve 24.

Through second switching-over valve 4, formed the support tie point to switch 3, first storage cylinder 23 and pneumatic brake valve 24, by second switching-over valve 4, realized being connected with switch 3, realized being connected with first storage cylinder 23, realized being connected with pneumatic brake valve 24, its technical aim at: a control means for single communication with the first reservoir 23 as a switch 3 and a pneumatic brake valve 24.

In the present embodiment, the first storage cylinder 23 is configured as a tank body, an output port of the first storage cylinder 23 is configured to be coupled with the second direction valve 4, and an input port of the first storage cylinder 23 is configured to be coupled with a pneumatic pipeline of the oil truck.

Through first storage cylinder 23, formed the support connection point to second switching-over valve 4, by first storage cylinder 23, realized being connected with second switching-over valve 4, its technical aim at: as a means for supplying air to the second direction valve 4.

In this embodiment, the pneumatic brake valve 24 is configured as a hand-pulling brake valve and the input port of the pneumatic brake valve 24 is configured to be coupled with the second directional valve 4, and the output port of the pneumatic brake valve 24 is configured to be coupled with the brake chamber and the pneumatic combination switch 7 of the oil truck, respectively.

Through pneumatic brake valve 24, formed the support tie point to second switching-over valve 4 and pneumatic control combination switch 7, by pneumatic brake valve 24, realized being connected with second switching-over valve 4, realized being connected with pneumatic control combination switch 7, its technical aim at: as a means for controlling the operating state of the brake chamber and the pneumatic combination switch 7 of the truck.

In the present embodiment, the input ports of the pneumatically controlled combination switch 7 are respectively configured to be coupled with the shuttle valve 9 and a first output port of the pneumatically controlled combination switch 7 is configured to be coupled with the alarm 5 and the emergency shut-off valve set 6, a second output port of the pneumatically controlled combination switch 7 is configured to be coupled with the oil-gas recovery valve set 11 and a third output port of the pneumatically controlled combination switch 7 is configured to be coupled with the first pneumatically controlled locking device 16, and a fourth output port of the pneumatically controlled combination switch 7 is configured to be coupled with the second pneumatically controlled locking device 26.

Through the pneumatic control combination switch 7, a supporting connection point for the shuttle valve 9, the alarm 5, the emergency cut-off valve group 6, the oil gas recovery valve group 11, the oil discharge valve anti-opening device 15, the first pneumatic control locking device 16, the manhole cover anti-opening device 18 and the second pneumatic control locking device 26 is formed, the pneumatic control combination switch 7 is used for realizing connection with the pneumatic brake valve 24, the shuttle valve 9, the alarm 5, the emergency cut-off valve group 6 and the oil gas recovery valve group 11, the oil discharge valve anti-opening device 15, the first pneumatic control locking device 16, the manhole cover anti-opening device 18 and the second pneumatic control locking device 26, and the technical purpose is that: as a means for controlling the operating conditions of the slam shut valve block 6, the vapor recovery valve block 11, the dump valve anti-opening device 15, the first pneumatic lock 16, the manhole cover anti-opening device 18, and the second pneumatic lock 26.

In the present embodiment, one of the port portions of the shuttle valve 9 is provided to be coupled with the pneumatic combination switch 7 and the other port portion of the shuttle valve 9 is provided to be coupled with the emergency control switch 8 and the pneumatic brake valve 24, respectively.

Through shuttle valve 9, formed the support tie point to gas accuse combination switch 7, emergency control switch 8 and pneumatic brake valve 24, by shuttle valve 9, realized being connected with gas accuse combination switch 7, realized being connected with emergency control switch 8, realized being connected with pneumatic brake valve 24, its technical aim at: as a component for communication with the pneumatic combination switch 7, as an emergency control switch 8 and a pneumatic brake valve 24.

In the present embodiment, the emergency control switch 8 is provided as a manual valve and one of the port portions of the emergency control switch 8 is provided to be coupled with the shuttle valve 9 and the other port portion of the emergency control switch 8 is provided to be coupled with the oil-water separator 10.

Through emergency control switch 8, formed the support tie point to shuttle valve 9 and oil water separator 10, by emergency control switch 8, realized being connected with shuttle valve 9, realized being connected with oil water separator 10, its technical aim at: and a control means for opening and closing the shuttle valve 9 and the second storage cylinder 12.

In the present embodiment, the oil-water separator 10 is provided as a gas-liquid separator and one of the port portions of the oil-water separator 10 is provided to be coupled with the emergency control switch 8, and the other port portion of the oil-water separator 10 is provided to be coupled with the second storage cylinder 12.

Through oil water separator 10, formed the support tie point to emergency control switch 8 and second storage cylinder 12, by oil water separator 10, realized being connected with emergency control switch 8, realized being connected with second storage cylinder 12, its technical aim at: as a means for removing moisture from the air stream discharged from the second storage cylinder 12.

In the present embodiment, the second storage cylinder 12 is provided as a tank-shaped body and an output port portion of the second storage cylinder 12 is provided to be coupled with the oil-water separator 10, and an input port portion of the second storage cylinder 12 is provided to be coupled with the check valve 13.

Through second storage cylinder 12, formed the support tie point to oil water separator 10 and check valve 13, by second storage cylinder 12, realized being connected with oil water separator 10, realized being connected with check valve 13, its technical aim at: as a means for supplying air to the emergency control switch 8.

In the present embodiment, one of the port portions of the check valve 13 is provided to be coupled with the second storage cylinder 12 and the other port portion of the check valve 13 is provided to be coupled with an auxiliary air cylinder of the oil truck.

Through check valve 13, formed the support connection point to second storage cylinder 12, by check valve 13, realized being connected with second storage cylinder 12, its technical aim at: as a means for preventing backflow of the gas in the second storage cylinder 12.

In the present embodiment, the alarm 5 is provided as a pneumatic alarm and the input port of the alarm 5 is provided to be communicatively connected to the pneumatic combination switch 7 and the emergency shut-off valve group 6, respectively.

Through alarm 5, formed the support tie point to emergency cut-off valve group 6, by alarm 5, realized being connected with emergency cut-off valve group 6, realized being connected with gas accuse combination switch 7, its technical aim at: as a means for monitoring the operating state of the slam shut valve block 6.

In the present embodiment, the quick action shut valve group 6 is provided to include a first quick action shut valve 61 and a second quick action shut valve 62 and a control port portion of the first quick action shut valve 61 and a control port portion of the second quick action shut valve 62 are respectively provided to be coupled with the pneumatically controlled combination switch 7, an output port portion of the first quick action shut valve 61 and an output port portion of the second quick action shut valve 62 are respectively provided to be coupled with the oil drain valve 14 and an input port portion of the first quick action shut valve 61 is provided to be coupled with a first cartridge body of the oil tank, an input port portion of the second quick action shut valve 62 is provided to be coupled with a second cartridge body of the oil tank, and the first quick action shut valve 61 and the second quick action shut valve 62 are respectively provided to be safety shut valves.

Through the emergency cut-off valve group 6, the supporting connection point of the pneumatic control combination switch 7 and the oil discharge valve 14 is formed, and the first emergency cut-off valve 61 and the second emergency cut-off valve 62 are connected with the pneumatic control combination switch 7 and the oil discharge valve 14, so that the technical purpose is that: for acting as a control member for opening and closing the oil discharge valve 14.

In this embodiment, the oil-gas recovery valve set 11 is configured to include a first oil-gas recovery valve 111 and a second oil-gas recovery valve 112, and a control port portion of the first oil-gas recovery valve 111 and a control port portion of the second oil-gas recovery valve 112 are respectively configured to be coupled with the pneumatically-controlled combination switch 7, the first oil-gas recovery valve 111 is disposed on a first cabin body of the oil tank, and the second oil-gas recovery valve 112 is disposed on a second cabin body of the oil tank.

Through oil gas recovery valves 11, formed the support tie point to gas accuse combination switch 7, by first oil gas recovery valve 111 and second oil gas recovery valve 112, realized being connected with gas accuse combination switch 7, its technical aim at: used as a component for collecting gasoline oil gas in the oil tank.

In the present embodiment, the oil discharge valve opening preventing device 15 is provided as a box body having an opening and closing door and the oil discharge valve opening preventing device 15 is provided to be coupled with a frame of the oil transporting vehicle, the oil discharge valve opening preventing device 15 is provided to be accommodatively coupled with the oil discharge valve 14 and a first air lock device 16 is provided on the opening and closing door of the oil discharge valve opening preventing device 1.

Through the oil discharge valve opening preventing device 15, formed the support tie point to oil discharge valve 14 and first pneumatic control locking device 16, by oil discharge valve opening preventing device 15, realized being connected with oil discharge valve 14, realized being connected with first pneumatic control locking device 16, its technical aim is: as a means of containment protection for the dump valve 14.

In the present embodiment, the first pneumatic locking device 16 is configured as a pneumatic lock and the control port portion of the first pneumatic locking device 16 is configured to be coupled with the pneumatic combination switch 7, and the first pneumatic locking device 16 is configured to be coupled with the oil discharge valve opening preventing device 15.

Through first gas accuse locking means 16, formed the support tie point to gas accuse combination switch 7 and unloading valve anti-opening device 15, by first gas accuse locking means 16, realized being connected with gas accuse combination switch 7, realized being connected with unloading valve anti-opening device 15, its technical aim at: as a control means for opening and closing the opening/closing door of the oil discharge valve opening preventing device 15.

In the present embodiment, the manhole cover 17 is provided to be coupled with the oil tank and an upper end surface portion of the manhole cover 17 is provided to be coupled with the manhole cover opening prevention device 18.

Through manhole cover 17, formed the support connection point to manhole cover anti-opening device 18, by manhole cover 17, realized being connected with manhole cover anti-opening device 18, its technical aim lies in: as a means for sealing the tank.

In the present embodiment, the manhole cover opening preventing device 18 is provided as a roll stand and the middle portion of the manhole cover opening preventing device 18 is provided to be coupled with the manhole cover 17, one end portion of the manhole cover opening preventing device 18 is provided to be coupled with the tank by a pin shaft and the other end portion of the manhole cover opening preventing device 18 is provided to be coupled with the second pneumatic lock 26.

Through manhole cover anti-opening device 18, formed the support tie point to manhole cover 17 and second gas accuse locking means 26, by manhole cover anti-opening device 18, realized being connected with manhole cover 17, realized being connected with second gas accuse locking means 26, its technical aim lies in: as one of the control means for opening and closing the manhole cover 17 and the oil tank.

In the present embodiment, the second pneumatic lock 26 is configured as a pneumatic lock and the control port of the second pneumatic lock 26 is configured to be coupled with the pneumatic combination switch 7, and the second pneumatic lock 26 is configured to be coupled with the manhole cover opening prevention device 18.

Through second gas accuse locking means 26, formed the support tie point to gas accuse combination switch 7 and manhole cover anti-opening device 18, by second gas accuse locking means 26, realized being connected with gas accuse combination switch 7, realized being connected with manhole cover anti-opening device 18, its technical aim at: and a second control means for opening and closing the manhole cover 17 and the oil tank.

In the present embodiment, the housing of the oil discharge valve 14 is provided to be coupled with the oil discharge valve opening prevention device 15 and the input port portion of the oil discharge valve 14 is provided to be coupled with the emergency shut-off valve group 6, and the output port portion of the oil discharge valve 14 is provided to be coupled with the solenoid air control valve 21.

Through the oil discharge valve 14, formed the support tie point to the oil discharge valve anti-opening device 15, urgent shut-off valve group 6 and electromagnetism gas accuse valve 21, by oil discharge valve 14, realized preventing being connected of opening device 15 with the oil discharge valve, realized being connected with urgent shut-off valve group 6, realized being connected with electromagnetism gas accuse valve 21, its technical aim at: as one of the components for communicating the oil tank with the dual gear oil pump 20.

In the present embodiment, the control port portion of the solenoid pneumatic valve 21 is provided to be coupled with the solenoid pneumatic valve switch 22 and one of the port portions of the solenoid pneumatic valve 21 is provided to be coupled with the oil drain valve 14, and the other of the port portions of the solenoid pneumatic valve 21 is provided to be coupled with the dual gear oil pump 20.

Through electromagnetism pneumatic control valve 21, formed the support tie point to oil discharge valve 14, duplicate gear oil pump 20 and electromagnetism pneumatic control valve switch 22, by electromagnetism pneumatic control valve 21, realized being connected with oil discharge valve 14, realized being connected with duplicate gear oil pump 20, realized being connected with electromagnetism pneumatic control valve switch 22, its technical aim at: and a second component for communicating the oil tank with the dual gear oil pump 20.

In this embodiment, the input port of the dual gear oil pump 20 is configured to couple with the solenoid pneumatic valve 21 and the output port of the dual gear oil pump 20 is configured to couple with the refueling reel system 19 of the first dispenser and the refueling reel system 25 of the second dispenser, respectively.

Through the duplicate gear oil pump 20, the supporting connection point of the electromagnetic pneumatic control valve 21, the oiling reel system 19 of the first oiling machine and the oiling reel system 25 of the second oiling machine is formed, the connection with the electromagnetic pneumatic control valve 21 is realized by the duplicate gear oil pump 20, the connection with the oiling reel system 19 of the first oiling machine is realized, the connection with the oiling reel system 25 of the second oiling machine is realized, and the technical purpose is that: used as a power component for loading and unloading gasoline.

In the present embodiment, the refueling reel system 19 of the first tanker and the refueling reel system 25 of the second tanker are each provided as a tanker having refueling reels and the input port portion of the refueling reel system 19 of the first tanker and the input port portion of the refueling reel system 25 of the second tanker are each provided in connection with the duplicate gear pump 20.

Through the first tanker's reel system of refueling 19 and the second tanker's reel system of refueling 25, formed the support connection point to duplicate gear oil pump 20, realized being connected with duplicate gear oil pump 20 by first tanker's reel system of refueling 19 and second tanker's reel system of refueling 25, its technical objective lies in: used as a gasoline loading and unloading component.

In the present embodiment, the input port of the solenoid pneumatic control valve switch 22 is configured to be coupled with the solenoid pneumatic control valve 21 and the power port of the solenoid pneumatic control valve switch 22 is configured to be coupled with the electrode of the battery.

Through electromagnetism gas accuse valve switch 22, formed the support tie point to electromagnetism gas accuse valve 21, by electromagnetism gas accuse valve switch 22, realized being connected with electromagnetism gas accuse valve 21, its technical aim at: as a means for controlling the operating state of the solenoid pneumatic control valve 21.

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

In the present embodiment, the second direction valve 4, the first storage cylinder 23, the switch 3, the pneumatic brake valve 24, and the pneumatic combination switch 7 are arranged to be distributed in a manner of single port communication, and the second direction valve 4, the first storage cylinder 23, the switch 3, the pneumatic brake valve 24, and the pneumatic combination switch 7 are arranged to be distributed with the telescopic cylinder 1, the first direction valve 2, the emergency cut-off valve group 6, the oil-gas recovery valve group 11, the oil drain valve 14, the oil drain valve opening prevention device 15, the first pneumatic locking device 16, the manhole cover 17, the manhole cover opening prevention device 18, and the second pneumatic locking device 26 are arranged to be distributed in a manner of linkage work, the second direction valve 4, the first storage cylinder 23, the switch 3, the pneumatic brake valve 24, the pneumatic combination switch 7, the shuttle valve 9, the emergency control switch 8, the oil-water separator 10, the second storage cylinder 12, and the check valve 13 are arranged to be distributed in a manner of bypass gas source, and the second direction valve 4, the first direction valve 3, the pneumatic brake valve 24, the pneumatic combination switch 3, the pneumatic combination switch 7, the manhole cover 17, the emergency control switch 8, the pneumatic combination switch 10, and the pneumatic combination switch 7 are arranged to be distributed in a manner of bypass gas source, The first storage cylinder 23, the switch 3, the pneumatic brake valve 24, the pneumatic combination switch 7, the emergency cut-off valve group 6 and the alarm 5 are arranged to be distributed in a mode of monitoring air pressure by a rewiring, and the second reversing valve 4, the first storage cylinder 23, the switch 3, the pneumatic brake valve 24, the pneumatic combination switch 7, the emergency cut-off valve group 6, the oil discharge valve 14, the electromagnetic pneumatic control valve 21, the electromagnetic pneumatic control valve switch 22, the duplicate gear oil pump 20, the oil filling reel system 19 of the first oiling machine and the oil filling reel system 25 of the second oiling machine are arranged to be distributed in a mode of two-way oil ducts.

When the pneumatic brake valve 24 is in the open state, the brake air chamber of the oil truck is in the working state, the oil truck is in the brake state, when the second reversing valve 4 is in the open state, the high-pressure air in the first storage cylinder 23 is respectively communicated with the input port part of the switch 3 and the input port part of the pneumatic control combination switch 7,

when the switch 3 is operated, when the switch 3 is opened, high-pressure gas in the first storage cylinder 23 drives the telescopic cylinder 1 to be in an extension state through the first reversing valve 2 to lift the tank top guardrail and perform safety protection on the oil tank, when the switch 3 is closed, the high-pressure gas in the telescopic cylinder 1 is discharged through the throttle valve 27 of the first reversing valve 2 and the silencer 28 of the switch 3 to enable the telescopic cylinder 1 to be in a contraction state to enable the tank top guardrail to descend,

when the pneumatic control combination switch 7 is operated, when the first output port part of the pneumatic control combination switch 7 is in an open state, the alarm 5, the first emergency stop valve 61 and the second emergency stop valve 62 are in an open state, the air pressure value of the control port part of the emergency stop valve group 6 is monitored by the alarm 5, when the air pressure value of the emergency stop valve group 6 in the open state is less than a specified value, the alarm 5 sends out an alarm signal, the oil discharge valve 14 is in the open state through the first emergency stop valve 61 and the second emergency stop valve 62, when the electromagnetic pneumatic control valve 21 is in the open state through the pneumatic control electromagnetic valve switch 22, a dual oil gallery device is formed by the dual gear oil pump 20, the oiling reel system 19 of the first oiling machine and the oiling reel system 25 of the second oiling machine, when the first output port part of the pneumatic control combination switch 7 is in a closed state, the alarm 5, the first emergency cut-off valve 61 and the second emergency cut-off valve 62 are closed, when the second output port of the pneumatic combination switch 7 is opened, the first oil gas recovery valve 111 and the second oil gas recovery valve 112 are in a working state, when the second output port of the pneumatic combination switch 7 is closed, the first oil gas recovery valve 111 and the second oil gas recovery valve 112 are in a non-working state, when the third output port of the pneumatic combination switch 7 is opened, the first pneumatic locking device 16 is in a working state, the open-close door of the oil discharge valve opening preventing device 15 can be opened, when the third output port of the pneumatic combination switch 7 is closed, the first pneumatic locking device 16 is in a non-working state, the open-close door of the oil discharge valve opening preventing device 15 can be closed, when the fourth output port of the pneumatic combination switch 7 is in the open state, the second pneumatic locking device 26 is in the working state, the manhole cover anti-opening device 18 can be turned over, the manhole cover 17 is in the exposed state, when the fourth output port of the pneumatic combination switch 7 is in the closed state, the second pneumatic locking device 26 is in the non-working state, the manhole cover anti-opening device 18 can be locked, and the manhole cover 17 is in the pressed state,

when the pneumatic brake valve 24 is in a closed state, the brake chamber of the oil truck is in a non-working state, the oil truck is in a running state, namely the second reversing valve 4 is in an open state, the high-pressure gas in the first storage cylinder 23 is disconnected with the input port of the pneumatic control combination switch 7, so that the pneumatic control combination switch 7 can be communicated with the high-pressure gas when the oil truck is in the braking state,

when the oil truck is in a braking state and oil filling operation is carried out, when the pressure value of high-pressure gas in the first storage cylinder 23 is smaller than the specified working air pressure value of the pneumatic control combination switch 7, the emergency control switch 8 is in an on state, the high-pressure gas in the second storage cylinder 12 is communicated with the input port of the pneumatic control combination switch 7 through the shuttle valve 9, the high-pressure gas in the second storage cylinder 12 realizes gas-liquid separation through the oil-water separator 10, and the high-pressure gas in the second storage cylinder 12 is communicated with an auxiliary gas storage cylinder of the oil truck through the one-way valve 13.

In the second embodiment of the present invention, the first storage cylinder 23, the second direction changing valve 4 and the pneumatic brake valve 24 are coupled to each other in a linkage operation of the accessory parts and the main parts.

In the present embodiment, the pneumatic brake valve 24 is connected to the first reservoir tank 23 and the second directional control valve 4 in such a manner that one of the branched air supply output ports is the air supply passage port of the main component.

In the present embodiment, the accessory parts are configured to include the telescopic cylinder 1, the first direction valve 2 and the switch 3.

In the present embodiment, the main components are set up as the combination switch 7, the emergency shut-off valve set 6, the vapor recovery valve set 11, the fuel dump valve 14, the manhole cover 17, the solenoid pneumatic valve 21, the solenoid pneumatic valve switch 22, the duplicate gear oil pump 20, the refueling reel system 19 of the first dispenser, and the refueling reel system 25 of the second dispenser.

In this embodiment, a first accessory device is also included and is provided on the accessory part, the first accessory device being configured to include a throttle valve 27 and a muffler 28.

In this embodiment, a second accessory device is also included and is provided on the main part, the second accessory device being provided as an alarm 5.

In this embodiment, a third attachment device is also included and is provided on the main part, the third attachment device being configured to include the oil dump valve opening prevention device 15 and the first pneumatic locking device 16.

In this embodiment, a fourth attachment means is included and is provided on the main unit, the fourth attachment means being configured to include manhole cover anti-opening means 18 and second pneumatic lock means 26.

In the present embodiment, a fifth accessory device is further included and provided on the main part, the fifth accessory device being provided to include the shuttle valve 9, the emergency control switch 8, the oil-water separator 10, the second storage cylinder 12, and the check valve 13.

A second embodiment of the utility model is based on the first embodiment,

the utility model has the following characteristics:

1. due to the design of the first storage cylinder 23, the second reversing valve 4 and the pneumatic brake valve 24, air source supply to the accessory parts and the main parts is realized through the first storage cylinder 23, linkage operation of the accessory parts and the main parts is realized through the second reversing valve 4 and the pneumatic brake valve 24, and therefore the operation safety performance of the oil truck is improved.

2. Due to the design of the throttle valve 27, a slow retraction movement of the telescopic cylinder 1 is achieved.

3. Due to the design of the alarm 5, the working state monitoring of the rewiring emergency cut-off valve group 6 is realized.

4. Due to the design of the oil discharge valve opening prevention device 15 and the first pneumatic locking device 16, the safety protection of the oil discharge valve 14 is realized.

5. Due to the design of the manhole cover opening-preventing device 18 and the second pneumatic control locking device 26, the safety protection of the manhole cover 17 is realized.

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, the secondary air source supply to the pneumatic control combination switch 7 is realized.

7. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the utility model, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.

8. Due to the design of the technical characteristics of the utility model, tests show that each performance index of the utility model is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the utility model has good market value through evaluation.

Still other features associated with the first reservoir 23, the second directional control valve 4 and the pneumatic brake valve 24, which operate in conjunction with the accessory components and the main components, are one of the embodiments of the present invention, and the features of the above-described embodiments may be combined in any combination, and all possible combinations of the features of the above-described embodiments will not be described again in order to satisfy the requirements of patent laws, patent practice rules and examination guidelines.

The above embodiment is only one implementation form of the gas circuit linkage device for the oil truck provided by the present invention, and it is within the protection scope of the present invention to add or reduce components or steps therein according to other modifications of the solution provided by the present invention, or to apply the present invention to other technical fields close to the present invention.

Claims (8)

1. The utility model provides a gas circuit aggregate unit for oil truck, characterized by: comprises a first storage cylinder (23) used as a gas source, a second reversing valve (4) which is arranged to be coupled with the first storage cylinder (23) and used as an air source access interface of an accessory component, and a pneumatic brake valve (24) which is arranged to be coupled with the second reversing valve (4) and used as an air source access interface of a main component.

2. The air path linkage for an oil tanker according to claim 1, wherein: the first storage cylinder (23), the second reversing valve (4) and the pneumatic brake valve (24) are connected with each other in a linkage operation mode of the accessory component and the main component.

3. The air path linkage for an oil tanker according to claim 2, wherein: and a pneumatic brake valve (24) is connected with the first storage cylinder (23) and the second reversing valve (4) in a mode that one branched air source output interface is an air source passage interface of a main component.

4. The air path linkage for an oil tanker according to claim 1, wherein: the accessory part is arranged to comprise a telescopic cylinder (1), a first reversing valve (2) and a switch (3),

or the main components are arranged as a pneumatic control combined switch (7), an emergency cut-off valve group (6), an oil gas recovery valve group (11), an oil discharge valve (14), a manhole cover (17), an electromagnetic pneumatic control valve (21), an electromagnetic pneumatic control valve switch (22), a duplicate gear oil pump (20), an oil filling reel system (19) of a first oiling machine and an oil filling reel system (25) of a second oiling machine,

or a first accessory device arranged on the accessory part, the first accessory device being arranged to comprise a throttle valve (27) and a muffler (28),

or, a second accessory device is also included and arranged on the main part, the second accessory device is arranged as an alarm (5),

or, a third attachment device is provided on the main part, the third attachment device being provided to comprise an anti-opening device (15) for the oil discharge valve and a first pneumatic locking device (16),

or, a fourth attachment device is arranged on the main component, the fourth attachment device is arranged to comprise a manhole cover opening-proof device (18) and a second pneumatic control locking device (26),

or the emergency control device also comprises a fifth accessory device which is arranged on the main component, and the fifth accessory device is arranged to comprise 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).

5. The air path linkage for an oil tanker according to claim 4, wherein: a throttle valve (27) is arranged on the first reversing valve (2), a silencer (28) is arranged on the switch (3), 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), the first reversing valve (2) is arranged between the switch (3) and the telescopic cylinder (1), the pneumatic brake valve (24), a shuttle valve (9), an emergency cut-off valve bank (6), an oil-gas recovery valve bank (11), a first pneumatic locking device (16) and a second pneumatic locking device (26) are respectively arranged on the pneumatic combination switch (7), an alarm (5) is arranged between the emergency cut-off valve bank (6) and the pneumatic combination switch (7), and an oil discharge valve anti-opening device (15) and an electromagnetic valve (21) are arranged on the oil discharge valve (14), the oil unloading valve anti-opening device (15) is provided with a first pneumatic control locking device (16), a manhole cover anti-opening device (18) is arranged on a manhole cover (17), a second pneumatic control locking device (26) is arranged on the manhole cover anti-opening device (18), 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), an electromagnetic pneumatic control valve switch (22) is arranged on the electromagnetic pneumatic control valve (21), and a dual-gear oil pump (20) is arranged between the electromagnetic pneumatic control valve (21) and the oil filling reel system (19) of the first oiling machine and the oil filling reel system (25) of the second oiling machine.

6. The air path linkage for an oil tanker according to claim 5, wherein: the first storage cylinder (23) is arranged to be a tank-shaped body, the outlet port of the first storage cylinder (23) is arranged to be connected with the second reversing valve (4), the inlet port of the first storage cylinder (23) is arranged to be connected with a pneumatic pipeline of the oil truck,

or the second reversing valve (4) is set to be a two-position three-way reversing valve, the input port part of the second reversing valve (4) is set to be connected with the first storage cylinder (23), one output port part of the second reversing valve (4) is set to be connected with the switch (3) and the other output port part of the second reversing valve (4) is set to be connected with the pneumatic brake valve (24),

or the pneumatic brake valve (24) is set to be a hand-pulling type brake valve, the inlet port of the input end of the pneumatic brake valve (24) is set to be connected with the second reversing valve (4), and the outlet port of the output end of the pneumatic brake valve (24) is respectively set to be connected with the brake air chamber and the pneumatic control combination switch (7) of the oil truck.

7. The air path linkage for an oil tanker according to claim 4, wherein: the shell of the telescopic cylinder (1) is connected with the upper end surface of the oil tank through a pin shaft, the telescopic end of the telescopic cylinder (1) is connected with a tank top guardrail through a pin shaft, the telescopic cylinder (1) is a two-section type pneumatic telescopic cylinder, the pneumatic power port of the telescopic cylinder (1) is connected with the first reversing valve (2),

or the first reversing valve (2) is set to be a two-position five-way reversing valve, the exhaust port part of the first reversing valve (2) is set to be connected with the throttle valve (27), the output port part of the first reversing valve (2) is set to be connected with the telescopic cylinder (1) and the input port part of the first reversing valve (2) is set to be connected with the switch (3),

or the throttle valve (27) is arranged as a sliding sleeve type throttle valve and the throttle valve (27) is arranged to be coupled with the first reversing valve (2),

or the switch (3) is set to be a pneumatic control switch and is set to be connected with the muffler (28) at the exhaust port part of the switch (3), the output port part of the switch (3) is set to be connected with the first reversing valve (2) and the input port part of the switch (3) is set to be connected with the second reversing valve (4),

or the muffler (28) is arranged as a gas flow muffler and the muffler (28) is arranged in connection with the switch (3),

or the input port of the pneumatic combination switch (7) is respectively connected with the shuttle valve (9), the first output port of the pneumatic combination switch (7) is connected with the alarm (5) and the emergency cut-off valve set (6), the second output port of the pneumatic combination switch (7) is connected with the oil-gas recovery valve set (11), the third output port of the pneumatic combination switch (7) is connected with the first pneumatic locking device (16), the fourth output port of the pneumatic combination switch (7) is connected with the second pneumatic locking device (26),

or one port part of the shuttle valve (9) is set to be coupled with the pneumatic combination switch (7) and the other port part of the shuttle valve (9) is set to be coupled with the emergency control switch (8) and the pneumatic brake valve (24) respectively,

or the emergency control switch (8) is set as a manual valve, one port part of the emergency control switch (8) is set to be connected with the shuttle valve (9), the other port part of the emergency control switch (8) is set to be connected with the oil-water separator (10),

or the oil-water separator (10) is set as a gas-liquid separator, one port part of the oil-water separator (10) is set to be connected with the emergency control switch (8), the other port part of the oil-water separator (10) is set to be connected with the second storage barrel (12),

or the second storage cylinder (12) is arranged to be a tank-shaped body, the output port part of the second storage cylinder (12) is arranged to be connected with the oil-water separator (10), the input port part of the second storage cylinder (12) is arranged to be connected with the one-way valve (13),

or one of the port parts of the check valve (13) is arranged to be coupled with the second storage cylinder (12) and the other port part of the check valve (13) is arranged to be coupled with an auxiliary air storage cylinder of the oil truck,

or the alarm (5) is set as an air pressure alarm and the inlet port of the alarm (5) is respectively set to be communicated with the pneumatic control combination switch (7) and the emergency cut-off valve set (6),

or the emergency cut-off valve group (6) is set to comprise a first emergency cut-off valve (61) and a second emergency cut-off valve (62), the control port part of the first emergency cut-off valve (61) and the control port part of the second emergency cut-off valve (62) are respectively set to be connected with the pneumatic control combined switch (7), the output port part of the first emergency cut-off valve (61) and the output port part of the second emergency cut-off valve (62) are respectively set to be connected with the oil unloading valve (14), the input port part of the first emergency cut-off valve (61) is set to be communicated with the first bin body of the oil tank, the input port part of the second emergency cut-off valve (62) is set to be communicated with the second bin body of the oil tank, the first emergency cut-off valve (61) and the second emergency cut-off valve (62) are respectively set to be safety cut-off valves,

or the oil gas recovery valve group (11) is set to comprise a first oil gas recovery valve (111) and a second oil gas recovery valve (112), the control port part of the first oil gas recovery valve (111) and the control port part of the second oil gas recovery valve (112) are respectively set to be connected with the pneumatic control combination switch (7), the first oil gas recovery valve (111) is arranged on the first cabin body of the oil tank and the second oil gas recovery valve (112) is arranged on the second cabin body of the oil tank,

or the oil discharge valve opening preventing device (15) is arranged as a box body with an opening and closing door, the oil discharge valve opening preventing device (15) is arranged to be connected with a frame of the oil transporting vehicle, the oil discharge valve opening preventing device (15) is arranged to be connected with the oil discharge valve (14) in an accommodating mode, a first air-operated locking device (16) is arranged on the opening and closing door of the oil discharge valve opening preventing device (15),

or the first air-controlled locking device (16) is set to be an air-controlled lock, the control port part of the first air-controlled locking device (16) is set to be connected with the air-controlled combination switch (7), the first air-controlled locking device (16) is set to be connected with the oil discharge valve opening-preventing device (15),

or the manhole cover (17) is connected with the oil tank, the upper end surface of the manhole cover (17) is connected with the manhole cover opening-proof device (18),

or the manhole cover anti-opening device (18) is arranged as a roll-over stand, the middle part of the manhole cover anti-opening device (18) is arranged to be connected with the manhole cover (17), one end part of the manhole cover anti-opening device (18) is arranged to be connected with the oil tank through a pin shaft, the other end part of the manhole cover anti-opening device (18) is arranged to be connected with the second pneumatic control locking device (26),

or the second pneumatic control locking device (26) is set to be a pneumatic control lock, the control port part of the second pneumatic control locking device (26) is set to be connected with the pneumatic control combination switch (7), the second pneumatic control locking device (26) is set to be connected with the manhole cover anti-opening device (18),

or the shell of the oil discharge valve (14) is arranged to be connected with the oil discharge valve opening-preventing device (15), the input port part of the oil discharge valve (14) is arranged to be connected with the emergency cut-off valve group (6), the output port part of the oil discharge valve (14) is arranged to be connected with the electromagnetic pneumatic control valve (21),

or the control port part of the electromagnetic pneumatic control valve (21) is arranged to be connected with the electromagnetic pneumatic control valve switch (22), one port part of the electromagnetic pneumatic control valve (21) is arranged to be connected with the oil discharge valve (14), the other port part of the electromagnetic pneumatic control valve (21) is arranged to be connected with the duplicate gear oil pump (20),

or the input port part of the duplicate gear oil pump (20) is connected with the electromagnetic pneumatic control valve (21) and the output port part of the duplicate gear oil pump (20) is respectively connected with the refueling reel system (19) of the first refueling machine and the refueling reel system (25) of the second refueling machine,

or the refueling reel system (19) of the first refueling machine and the refueling reel system (25) of the second refueling machine are respectively arranged as the refueling machines with refueling reels and the input port part of the refueling reel system (19) of the first refueling machine and the input port part of the refueling reel system (25) of the second refueling machine are respectively arranged to be connected with the duplicate gear oil pump (20),

or the input port of the electromagnetic pneumatic control valve switch (22) is connected with the electromagnetic pneumatic control valve (21) and the power port of the electromagnetic pneumatic control valve switch (22) is connected with the electrode of the battery,

or the second reversing valve (4), the pneumatic brake valve (24) and the alarm (5) are arranged in a cab of the oil truck, and the pneumatic control combination switch (7) and the emergency control switch (8) are arranged on a frame of the oil truck.

8. The air path linkage for an oil tanker according to any of claims 1 to 7, wherein: 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 communication mode, 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 distributed with the telescopic cylinder (1), the first reversing valve (2), the emergency cut-off valve group (6), the oil-gas recovery valve group (11), the oil discharge valve (14), the oil discharge 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 mode, and the second reversing valve (4), the first storage cylinder (23), the switch (3), the pneumatic brake valve (24), the pneumatic control combination switch (7) and 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 according to a bypass air source mode, and the second reversing valve (4), the first storage cylinder (23), the switch (3), the pneumatic brake valve (24), the pneumatic combination switch (7), the emergency cut-off valve group (6) and the alarm (5) are arranged to be distributed according to a mode of monitoring air pressure on a re-line, the second reversing valve (4), the first storage cylinder (23), the switch (3), the pneumatic brake valve (24) and the pneumatic combination switch (7), the emergency cut-off valve bank (6), the oil discharge valve (14), the electromagnetic pneumatic control valve (21), the electromagnetic pneumatic control valve switch (22), the duplicate gear oil pump (20), the oiling reel system (19) of the first oiling machine and the oiling reel system (25) of the second oiling machine are distributed in a two-way oil passage mode.

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