CN215707216U - Pipeline fuelling vehicle - Google Patents

Abstract

The application provides a pipeline tank service truck, including locomotive, reset switch, interlocking panel and controller. The locomotive comprises a cab and a brake piece arranged in the cab. The refueling platform is connected with the vehicle head. The reset switch is arranged on the refueling platform and is operated by a refueling operator after the aircraft fuel tank cap is installed and reset. The interlocking panel is arranged in the cab. The interlock panel includes a plurality of interlock points electrically connected to a fueling operating system of the pipeline fueling vehicle. The controller is electrically connected with the reset switch, the plurality of interlocking points and the brake piece. The controller comprises a reset detection port and a first control port, and the controller detects whether the plurality of interlocking points are in a reset state through the reset detection port according to the on-off state of the reset switch, and controls the brake piece to release interlocking through the first control port when detecting that the plurality of interlocking points are in the reset state. The refueler can be reminded to check again and confirm that the aircraft fuel tank cap is reset in place, and the safety is improved.

Description

Pipeline fuelling vehicle

Technical Field

The application relates to the technical field of aviation fuel filling, in particular to a pipeline refueling truck.

Background

With the rapid development of economy in China, the aviation industry is also greatly developed. The pipeline refueling truck is special equipment for safely and quickly inputting aviation fuel in a ground well into an aircraft fuel tank. In the use process of the pipeline refueling truck, some safety problems often occur. For example, after a refueller fills an aircraft with fuel, the aircraft may be driven off the refueling site by forgetting to check and determine whether the action associated with the refueling operation of the refueller has been reset. Therefore, the airplane is strained, and the flight can not take off on time and is influenced to passengers.

SUMMERY OF THE UTILITY MODEL

The application provides a pipeline tank service truck of security improves.

The embodiment of this application provides a pipeline tank service truck includes:

the vehicle head comprises a cab and a brake piece arranged in the cab;

the refueling platform is connected with the vehicle head;

the reset switch is arranged on the refueling platform; the reset switch is used for being operated by a refueling operator after the aircraft fuel tank cover is installed and reset;

the interlocking panel is arranged in the cab; the interlock panel comprises a plurality of interlock points electrically connected with a refueling operation system of the pipeline refueling truck; and

the controller is electrically connected with the reset switch, the plurality of interlocking points and the brake piece; the controller comprises a reset detection port and a first control port, and the controller detects whether the plurality of interlocking points are in a reset state through the reset detection port according to the on-off state of the reset switch, and controls the brake piece to release interlocking through the first control port when detecting that the plurality of interlocking points are in the reset state.

Optionally, the pipeline refuelling truck further comprises a plurality of interlocking indicator lamps in one-to-one correspondence with the plurality of interlocking points, and the plurality of interlocking indicator lamps are arranged in the cab; the controller comprises a second control port which is electrically connected with the plurality of interlocking indicator lamps;

when detecting that the plurality of interlocking points are all in an interlocking state, the controller controls the plurality of interlocking indicator lamps to be lightened through the second control port so as to indicate the interlocking state of the plurality of interlocking points; and when detecting that the plurality of interlocking points are all in the reset state, the controller controls the plurality of interlocking indicator lamps to be turned off through the second control port.

Optionally, the pipeline refuelling truck further comprises an early warning signal device arranged in the cab; the controller comprises a third control port which is electrically connected with the early warning signal device;

when the controller detects that the plurality of interlocking points are all in an interlocking state, the controller controls the early warning signal device to send out reminding information through the third control port.

Optionally, the early warning signal device includes an audible and visual alarm, and is disposed at the top of the cab.

Optionally, the pipeline refuelling truck further comprises an emergency interlock switch, which is arranged in the cab and electrically connected with the brake piece, and the emergency interlock switch is used for controlling the working state of the brake piece.

Optionally, the emergency interlock switch comprises a pneumatic switch.

Optionally, the reset switch comprises a pneumatic switch.

Optionally, the refueling platform has a height relative to the ground, and the reset switch is arranged on a side surface of the refueling platform close to the aircraft fuel tank.

Optionally, the pipeline refuelling truck further comprises a marking area, the marking area and the reset switch are located on the same side face of the refueling platform, and the marking area is used for reminding a refueller to confirm the reset state of the reset switch.

Optionally, the indication area of the indication region is at least larger than the sectional area of the reset switch. According to the technical scheme of the embodiment of the application, the reset switch of the pipeline refueling truck is arranged on the refueling platform, the interlocking panel of the pipeline refueling truck comprises a plurality of interlocking points electrically connected with a refueling operation system of the pipeline refueling truck, and the controller is electrically connected with the reset switch, the plurality of interlocking points and the brake piece; the controller comprises a reset detection port and a first control port, and the controller detects whether the plurality of interlocking points are in a reset state through the reset detection port according to the on-off state of the reset switch, and controls the brake piece to release interlocking through the first control port when detecting that the plurality of interlocking points are in the reset state. By the arrangement, the refueler can be reminded to check again and confirm that the aircraft fuel tank cap is reset in place, and the refueler is reminded to check again and confirm that all interlocking reset are triggered to be reset in place due to refueling work, so that the vehicle equipment is recovered without omission after refueling operation, errors are avoided, and the safety is better.

Drawings

FIG. 1 is a schematic structural view of one embodiment of the line refuelling vehicle of the present application;

FIG. 2 is a schematic view of the interlock panel of the line refuelling vehicle of FIG. 1;

FIG. 3 is a schematic view of the interlock indicator light of the fuel line truck of FIG. 1;

FIG. 4 is a schematic block circuit diagram of the fuel line truck of FIG. 1;

fig. 5 is a schematic view of the structure at a of the refueling platform of the pipeline refueling truck shown in fig. 1.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" includes two, and is equivalent to at least two. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The application provides a pipeline refueller. The present application will be described in detail with reference to the accompanying drawings. The features of the following examples and embodiments may be combined with each other without conflict.

Referring to fig. 1 to 5, the line refuelling truck 10 includes a truck head 100, a refuelling platform 200, a reset switch 300, an interlock panel 400, and a controller 500. Specifically, the vehicle head 100 includes a cab 101 and a brake 102 (shown in fig. 4) disposed within the cab 101. Fueling platform 200 is coupled to locomotive 100. Reset switch 300 is provided at fueling platform 200. The interlock panel 400 is provided in the cab 101. Interlock panel 400 includes a plurality of interlock points 401 that are electrically connected to the fueling operation system of in-line fueling vehicle 10. The controller 500 is electrically connected to the reset switch 300, the plurality of interlock points 401, and the brake 102. The controller 500 comprises a reset detection port 501 and a first control port 502, and the controller 500 detects whether the plurality of interlocking points 401 are in a reset state through the reset detection port 501 according to the on-off state of the reset switch 300, and controls the brake piece 102 to release interlocking through the first control port 502 when detecting that the plurality of interlocking points 401 are in the reset state.

In this process, the reset switch 300 is used to be operated by the refueler after the aircraft fuel tank cap is installed and reset. For example, after observing the installation and resetting of the tank cap of the aircraft from the outside, the operator may press the reset switch 300, and the reset switch 300 is in the reset state, which indicates that all of the plurality of interlock points 401 associated with the refueling operation have been reset. The controller 500 may then receive the reset signal from the reset switch 300, and detect whether each of the plurality of interlock points 401 is in the reset state through the reset detection port 501, and control the brake 102 to release the interlock through the first control port 502 when detecting that each of the plurality of interlock points 401 is in the reset state. By the arrangement, the refueler can be reminded to check again and confirm that the aircraft fuel tank cap is reset in place, and the refueler is reminded to check again and confirm that all interlocking reset are triggered to be reset in place due to refueling work, so that the vehicle equipment is recovered without omission after refueling operation, errors are avoided, and the safety is better.

In some embodiments, the reset switch 300 may also be used for operation by a refueling operator after other components associated with refueling operations are safely reset, and is not limited in this application. The present embodiment will be described by way of example only, in which the reset switch 300 is operated by the refueler after the fuel tank cap of the aircraft is installed and reset.

In some embodiments, the interlock panel 400 is disposed in the cab 101, and a plurality of interlock points 401 are disposed to respectively indicate the interlock positions of the refueling system of the pipeline refueling truck 10, so that the refueling truck can quickly check and judge the interlock points, and the safety factor is improved. In the embodiment shown in fig. 2, the plurality of interlock points 401 include an aircraft tank cap interlock point 402, a power takeoff interlock point 403, a ground well joint interlock point 404, a retraction mechanism interlock point 405, a lift platform interlock point 406, a platform joint interlock point 407, a reel joint interlock point 408, a ladder/wheel guard interlock point 409, a first static conductive wire interlock point 410, a second static conductive wire interlock point 411, a refueling cantilever interlock point 412, a riser lift-off interlock point 413, and an interlock reset confirmation interlock point 414. In some embodiments, lift platform interlock point 406 comprises a refueling lift platform interlock point. In some embodiments, platform joint interlock point 407 comprises a refueling joint interlock point. In some embodiments, the spool joint interlock point 408 comprises a filler tube take-up interlock point.

The plurality of interlocking points 401 are all disposed on the interlocking panel 400 and electrically connected to the controller 500, and the controller 500 controls the plurality of interlocking points 401 to be turned on or off. By arranging the plurality of interlocking points 401 on the interlocking panel 400, it is convenient for a refueling operator to observe and confirm all interlocks required to be triggered in refueling work, and the safety is improved.

Referring to fig. 3 and 4, the line refueller 10 further includes a plurality of interlock indicator lights 600, a warning signal device 700, and an emergency interlock switch 800. Wherein, a plurality of interlock pilot lamps 600, early warning signal device 700 and emergency interlock switch 800 all locate in driver's cabin 101. A plurality of interlock indicator lamps 600 and a pre-warning signal device 700 are electrically connected to the controller 500.

The plurality of interlock indicator lamps 600 are provided in the cab 101 and correspond one-to-one to the plurality of interlock points 401. And the interlocking brake blinks when in effect, and gives an interlocking prompt before a refueling operator drives the pipeline refueling truck 10, so that the interlocking prompt is convenient for the refueling operator to observe. When any one interlock indicator lamp 600 of the plurality of interlock indicator lamps 600 is turned on, the pipeline refueler 10 and the airplane are in an interlock state, and the situation that when the interlock is not released, a refueler drives the pipeline refueler 10 is avoided, so that unnecessary loss is avoided.

In some embodiments, interlock indicator 600 further comprises an aircraft fuel tank cap indicator 601, a refueling platform displacement indicator 602, a refueling platform joint indicator 603, a cantilever displacement indicator 604, etc., and in the embodiment shown in FIG. 3, only a portion of interlock indicator 600 is shown, but is not limited thereto. Above-mentioned a plurality of interlocking pilot lamps 600 all are connected with controller 500 electricity to receive its break-make of controller 500 control, set up a plurality of interlocking pilot lamps 600, convenient position of quick judgement interlocking is so that in time troubleshooting, and the security is better.

Referring to fig. 4, the controller 500 includes a second control port 503 and a third control port 504. The second control port 503 is electrically connected with the plurality of interlock indicator lamps 600, and when the controller 500 detects that the plurality of interlock points 401 are all in the interlock state, the plurality of interlock indicator lamps 600 are controlled to flash through the second control port 503 to indicate the interlock state of the plurality of interlock points 401, so that the pipeline refueling truck 10 is ensured to be in the brake state in the interlock state, and the safety is ensured. The controller 500 is further configured to control the plurality of interlock indicator lights 600 to turn off via the second control port 503 when the plurality of interlock points 401 are all detected to be in the reset state. With the arrangement, after refueling operation, no leakage of vehicle equipment recovery is ensured, and unnecessary loss caused by errors is avoided, so that a refueling operator can drive the pipeline refueling truck 10 to leave the airplane after all the interlocking points 401 are reset, and the safety is improved.

In some embodiments, the third control port 504 is electrically connected to the warning signal device 700, and when the controller 500 detects that the plurality of interlocking points 401 are all in the interlocking state, the controller 500 controls the warning signal device 700 to send out the reminding message through the third control port 504.

When any one of the plurality of interlocking points 401 is in an interlocking state, the early warning signal device 700 sends out a reminding message to remind a refueling operator, which indicates that all the interlocking points 401 are not reset, and at this time, the pipeline refueling truck 10 is in a brake state. This early warning signal device 700 includes audible-visual annunciator, locates the top of driver's cabin 101, is convenient for remind the refueller. When the audible and visual alarm is sounded, the operator is prompted to check the interlock panel 400 and again check and restore the corresponding interlock point 401. When the interlock is not released, the warning signal device 700 alerts the operator to check each interlock point 401. So set up, remind the fuel filler to inspect once more and confirm because of filling the required interlock that triggers of work and reset to the right place. For example, when the electrical signal indicates that the aircraft fuel tank cap is placed in the aircraft fuel tank cap box 201, the controller 500 controls the warning signal device 700 to send warning information through the third control port 504. The warning information may be both sound and/or light warning information.

Referring to fig. 1 and 5, the fueling platform 200 includes an aircraft fuel tank cap box 201 and a receiving hole 202 (shown in fig. 5). The aircraft fuel tank cap case 201 is used for placing an aircraft fuel tank cap (not shown). The receiving hole 202 corresponds to the position of the aircraft tank cap case 201, and the receiving hole 202 can be shielded when the aircraft tank cap is placed in the aircraft tank cap case 201.

In the embodiment shown in FIG. 5, the line refueller 10 also includes a sensor 900. The sensor 900 is arranged in the accommodating hole 202, and the sensor 900 is used for detecting whether the aircraft fuel tank cap is placed in the aircraft fuel tank cap box 201 and outputting a corresponding electric signal. The controller 500 is electrically connected with the sensor 900 and the brake member 102, the controller 500 comprises a signal detection port 505 and a first control port 502, the controller 500 detects the electric signal output by the sensor 900 through the signal detection port 505, and controls the brake member 102 to brake through the first control port 502 when the electric signal indicates that the aircraft fuel tank cap is placed in the aircraft fuel tank cap box 201.

In some embodiments, the sensor 900 is configured to output a first electrical signal when the aircraft fuel tank cap is disposed in the aircraft fuel tank cap case 201, which indicates that the aircraft fuel tank cap is not covering the aircraft fuel tank and the aircraft fuel tank is in an open state. The controller 500 can detect the first electrical signal output by the sensor 900 through the signal detection port 505 and control the brake member 102 to brake through the first control port 502. With the arrangement, the refueling operator can be prevented from filling the aircraft with oil and leaving the aircraft oil tank cap on the refueling platform 200 after the refueling joint is removed, and the aircraft oil tank cap is driven away from a refueling site, so that unnecessary loss is prevented from being brought, and the safety coefficient of refueling operation is improved.

In some embodiments, the sensor 900 is configured to output a second electrical signal when the aircraft fuel tank cap is not disposed in the aircraft fuel tank cap box 201, which indicates that the aircraft fuel tank cap is covered with the aircraft fuel tank and the aircraft fuel tank is in a covered state. The controller 500 can detect the second electrical signal output by the sensor 900 through the signal detection port 505 and control the brake member 102 to release the brake through the first control port 502. Therefore, the refueler can drive away from the airplane after the airplane oil tank cap covers the airplane oil tank cap, and the safety factor of refueling operation is improved.

In some embodiments, sensor 900 comprises a photosensitive sensor. The photosensitive sensor can sense the light and shade change of light, output weak electric signals and amplify and output the signals through the amplifier. In some embodiments, when the aircraft fuel tank cap is placed in the aircraft fuel tank cap box 201, the receiving hole 202 is shielded, and the sensor 900 senses that light is dark, and outputs a first electrical signal. When the aircraft fuel tank cap is not placed in the aircraft fuel tank cap box 201, the accommodating hole 202 is not shielded, the sensor 900 senses that the light is bright, and a second electric signal is output at the moment. In the above process, the second electric signal and the first electric signal may be at a high level or a low level, and the levels of the first electric signal and the second electric signal are opposite.

In some embodiments, the diameter of the receiving hole 202 is smaller than the largest dimension of the aircraft fuel tank cap. Because the sensor 900 is arranged in the accommodating hole 202, the sensor 900 is used for sensing the light and shade of light, and the maximum size of the aircraft fuel tank cap is larger than the aperture of the accommodating hole 202, so that the aircraft fuel tank cap is placed in the aircraft fuel tank cap box 201 to shield the accommodating hole 202, and the detection result of the sensor 900 is more accurate. The receiving hole 202 is provided in a region close to the bottom of the aircraft tank cover 201. Because the size of aircraft fuel tank cap and the size looks adaptation of the oil filler hole of aircraft fuel tank locate the accepting hole 202 near the region of the bottom of aircraft fuel tank cap box 201, the accepting hole 202 is difficult to set up too high, when guaranteeing that the aircraft fuel tank cap is placed in aircraft fuel tank cap box 201, shelters from this accepting hole 202 more easily to guarantee sensor 900's testing result.

In some embodiments, the aircraft fuel tank cap box 201 is convexly disposed on a side surface of the refueling platform 200 close to the aircraft fuel tank, and the width dimension of the aircraft fuel tank cap box 201 extending outwards from the side surface of the refueling platform 200 is matched with the thickness dimension of the aircraft fuel tank cap, so that when the aircraft fuel tank cap is placed in the aircraft fuel tank cap box 201, the aircraft fuel tank cap is attached to the side surface of the refueling platform 200, thereby ensuring that the accommodating hole 202 can be shielded, and further ensuring the detection result of the sensor 900.

In the embodiment shown in fig. 5, the aircraft tank cap box 201 includes a hollowed-out slot. Refuelling platform 200 is provided with receiver 203 that is located the bottom of aircraft tank cap box 201, and receiver 203 is used for accomodating the oil that drips from the aircraft tank cap. Because aircraft tank cap box 201 is used for placing the aircraft tank cap, the aircraft tank cap may have a small amount of aviation oil, establishes aircraft tank cap box 201 into fretwork form to the aviation oil that the aircraft tank cap carried drips to the receiver 203 of the bottom of locating aircraft tank cap box 201, avoids the waste of aviation oil. In some embodiments, the length dimension of the receiver 203 is greater than the length dimension of the aircraft fuel tank cap box 201. In some embodiments, the receiver box 203 has a width dimension that is greater than a width dimension of the aircraft fuel tank cap box 201. So set up, guarantee from aircraft tank cap oil of navigating that drips can be accomodate in this receiver 203, avoid the waste of oil of navigating.

In some embodiments, the controller 500 controls the aircraft fuel tank cap indicator lamp 601 to flash through the second control port 503 to indicate the interlock status of the aircraft fuel tank cap when the electrical signal indicates that the aircraft fuel tank cap is placed in the aircraft fuel tank cap box 201. In the process, the aircraft fuel tank cap indicator lamp 601 flashes to indicate that the interlocking of the aircraft fuel tank cap is not released, the pipeline refuelling truck 10 is in a brake state, and a refueler is reminded to confirm whether the aircraft fuel tank cap covers the fuel filling port of the aircraft fuel tank before driving the pipeline refuelling truck 10, so that the safety is ensured.

In some embodiments, the controller 500 includes a fourth control port 506, the fourth control port 506 being electrically connected to the plurality of interlock points 401. One of the plurality of interlock points 401 includes an aircraft tank cap interlock point 402 corresponding to an aircraft tank cap indicator lamp 601. The controller 500 controls the aircraft fuel tank cap interlock point 402 to flash through the fourth control port 506 to indicate the interlock status of the aircraft fuel tank cap when the electrical signal indicates that the aircraft fuel tank cap is disposed within the aircraft fuel tank cap box 201. In the process, the aircraft fuel tank cap interlock point 402 is flashing to indicate that the aircraft fuel tank cap interlock is not released, the pipeline refuelling truck 10 is in a brake state, and a refueler is reminded to confirm whether the aircraft fuel tank cap covers the fuel filler opening of the aircraft fuel tank before driving the pipeline refuelling truck 10, so that the safety is ensured. Wherein the confirmation of a plurality of interlock points 401 is by visual inspection, so is faster and more convenient.

In some embodiments, an emergency interlock switch 800 is electrically connected to the brake 102 (as shown in fig. 5), and the emergency interlock switch 800 is used to control the operating state of the brake 102. For example, the emergency interlock switch 800 is used to control the brake 102 to brake in case of emergency (e.g. the interlock point 401 fails or the interlock indicator lamp 600 is abnormal or both the interlock point 401 and the interlock indicator lamp 600 are abnormal, etc.) to avoid unnecessary loss. In some embodiments, emergency interlock switch 800 comprises a pneumatic switch. The power source of the pneumatic switch is gas, so that the pneumatic switch is relatively safe, can be opened and closed quickly, and has simple structure, small volume and light weight.

In the embodiment shown in FIG. 1, the fueling platform 200 is at an elevation relative to the ground, and the reset switch 300 is disposed on a side of the fueling platform 200 adjacent the aircraft fuel tank. In some embodiments, the reset switch 300 comprises a pneumatic switch. The power source of the pneumatic switch is gas, so that the pneumatic switch is relatively safe, can be opened and closed quickly, and has simple structure, small volume and light weight.

In some embodiments, the in-line refuelling vehicle 10 further includes a marking area 103, the marking area 103 and the reset switch 300 are located on the same side of the refuelling platform 200, and the marking area 103 is used for reminding a refueler to confirm whether the reset switch 300 is in a reset state or not, so as to play a role of marking. In some embodiments, the labeled area of the labeled region 103 is at least greater than the cross-sectional area of the reset switch 300. The setting of marking region 103 is not easy to be too small, the too small is easy to be ignored by the oiling person, the marking area of marking region 103 is large enough, and the played prompt effect is more obvious.

In some embodiments, the refueling truck 10 further includes a refueling apparatus 104, and the refueling apparatus 104 is disposed on a chassis of the refueling truck 10 and is located on a side of the refueling platform 200 away from the vehicle head 100. The refueling device 104 is used for completing the refueling operation, and details thereof are not repeated.

The technical solutions disclosed in the embodiments of the present application can complement each other without generating conflicts.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims (10)

1. A line refueller, comprising:

the vehicle head comprises a cab and a brake piece arranged in the cab;

the refueling platform is connected with the vehicle head;

the reset switch is arranged on the refueling platform; the reset switch is used for being operated by a refueling operator after the aircraft fuel tank cover is installed and reset;

the interlocking panel is arranged in the cab; the interlock panel comprises a plurality of interlock points electrically connected with a refueling operation system of the pipeline refueling truck; and

the controller is electrically connected with the reset switch, the plurality of interlocking points and the brake piece; the controller comprises a reset detection port and a first control port, and the controller detects whether the plurality of interlocking points are in a reset state through the reset detection port according to the on-off state of the reset switch, and controls the brake piece to release interlocking through the first control port when detecting that the plurality of interlocking points are in the reset state.

2. The line refuelling vehicle of claim 1, further comprising a plurality of interlock indicator lights in one-to-one correspondence with the plurality of interlock points, the plurality of interlock indicator lights being disposed within the cab; the controller comprises a second control port which is electrically connected with the plurality of interlocking indicator lamps;

when detecting that the plurality of interlocking points are all in an interlocking state, the controller controls the plurality of interlocking indicator lamps to be lightened through the second control port so as to indicate the interlocking state of the plurality of interlocking points; and when detecting that the plurality of interlocking points are all in the reset state, the controller controls the plurality of interlocking indicator lamps to be turned off through the second control port.

3. The line refuelling vehicle of claim 1, further comprising a warning signal device disposed within the cab; the controller comprises a third control port which is electrically connected with the early warning signal device;

when the controller detects that the plurality of interlocking points are all in an interlocking state, the controller controls the early warning signal device to send out reminding information through the third control port.

4. The fuel line truck of claim 3, wherein said warning signal device comprises an audible and visual alarm disposed on the top of said cab.

5. The fuel line truck according to claim 1, further comprising an emergency interlock switch disposed in the cab and electrically connected to the brake member, wherein the emergency interlock switch is configured to control an operating state of the brake member.

6. The line refuelling vehicle of claim 5, wherein the emergency interlock switch comprises a pneumatic switch.

7. The line refueller of claim 1, wherein the reset switch comprises a pneumatic switch.

8. The fuel line truck of claim 1, wherein said refueling platform is elevated relative to the ground, and said reset switch is located on a side of said refueling platform adjacent to an aircraft fuel tank.

9. The line refuelling vehicle of claim 8, further comprising an indicator area located on the same side of the refuelling platform as the reset switch, the indicator area configured to alert a refueller to confirm the reset status of the reset switch.

10. The line refuelling vehicle of claim 9, wherein the indicated area of the indicated region is at least larger than the cross-sectional area of the reset switch.

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