A warning flag device for a ramp line refueling vehicle

Abstract

The utility model discloses a warning flag device for apron pipeline refueling truck, including main stand and lifting rod, the installation cavity is opened in the main stand, the upper surface of main stand top end is opened with the slot, the inside bottom surface of slot is rotatably connected with the threaded rod, be provided with servo motor in the installation cavity, the upper surface of main stand top end is opened with the guide groove, the lifting rod is opened with the thread groove, the lifting rod circumferential surface is provided with the guide block unison, the guide groove is open with the slot, the lifting rod top end circumferential surface is provided with a plurality of spring no.

Description

Technical Field

[0001] This utility model belongs to the field of warning flag technology, and in particular relates to a warning flag device for a refueling truck on an apron pipeline. Background Technology

[0002] The 4-inch ground manhole connector of the civil aviation airport pipeline refueling truck is connected to the refueling well on the apron. In the event of a collision or damage to the vehicle or equipment, a large amount of fuel will leak from the apron refueling pipeline network, affecting normal flight operations. This poses a significant risk. To control this risk, the vehicle manufacturer equips the ground manhole connector with a warning flag.

[0003] For a long time, the warning flags equipped on pipeline refueling trucks have had problems such as fixed height and rigid material. When performing aircraft refueling missions, because the distance between some refueling wells and aircraft is relatively close, the warning flags at fixed height are prone to scraping against the aircraft, posing a safety hazard. Therefore, a warning flag device for apron pipeline refueling trucks is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide a warning flag device for a refueling truck on an apron pipeline, thereby solving the existing problems.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a warning flag device for a refueling truck on an apron pipeline, comprising a main pole and a lifting pole. The main pole has an installation cavity, and a slot is formed on the upper surface of its top end. A threaded rod is rotatably connected to the bottom surface of the slot. A servo motor is installed in the installation cavity. Guide grooves are symmetrically formed on the upper surface of the top end of the main pole. A threaded groove is formed in the lifting pole. Guide blocks are symmetrically arranged on the periphery of the lifting pole, and the guide grooves communicate with the slot. Several springs are equidistantly arranged on the periphery of the top end of the lifting pole. A pressure sensor is installed at the top of the lifting pole. A support rod is installed at the top of each spring. Warning flags are equidistantly arranged on the periphery of the support rod. Reflective strips are provided on opposite surfaces of each warning flag. Several telescopic sleeves are installed at the top of the support rod. Springs are fitted onto the periphery of each telescopic sleeve. A pressure sensor is installed at the top of the support rod. A control module is installed inside the top of the support rod. An arc-shaped pressure head is installed at the top of the telescopic sleeve.

[0007] Furthermore, an mounting plate is provided on the bottom periphery of the main upright, an alarm is provided on the top periphery of the main upright, the shape and size of the threaded groove are adapted to the threaded rod, the shape and size of the lifting rod are adapted to the slot, and the shape and size of the guide block are adapted to the guide groove.

[0008] Furthermore, the lifting rod is disposed in the slot, the threaded rod is disposed in the threaded groove, the guide block is disposed in the guide groove, the output end of the servo motor is fixedly connected to the bottom end of the threaded rod, the threaded rod and the threaded groove are threadedly engaged, the guide block and the guide groove are slidably engaged, the support rod is a polyurethane rod, which is a new type of high polymer synthetic material between rubber and plastic with high elasticity, high strength, wear resistance and low temperature resistance, while the upper and lower fixed plates are made of nylon, and the arc-shaped pressure head is made of rubber.

[0009] This utility model has the following beneficial effects:

[0010] This invention utilizes a polyurethane rod as the support rod, a novel high-molecular synthetic material between rubber and plastic, possessing high elasticity, high strength, wear resistance, and low-temperature resistance. The upper and lower fixing plates are made of nylon, while the arc-shaped pressure head is made of rubber. In the event of a collision, the support rod bends, and the rubber material of the arc-shaped pressure head reduces damage to the aircraft. Simultaneously, the arc-shaped pressure head compresses the pressure sensor, and a control module controls a servo motor. The servo motor drives a threaded rod to rotate, which, through threaded engagement with the threaded groove within the lifting rod, lowers the lifting rod, thereby reducing the height of the warning flag and preventing collisions with the aircraft, effectively improving... This device enhances safety by incorporating both audible and visual alarms. The control module activates the alarm, emitting an audible sound and flashing lights to attract attention and enhance the warning effect. When the device collides with the warning flag, the support rod compresses a spring to one side, simultaneously pressing a pressure sensor. This pressure sensor, controlled by the control module, activates a servo motor. The servo motor drives a threaded rod, which, through its engagement with the threaded grooves within the lifting rod, lowers the lifting rod. After the collision, the support rod, due to its high elasticity, returns to its original shape, and the lifting rod, under the reverse rotation of the servo motor, rises back to its original position, re-enacting the warning flag and continuing its warning function. Furthermore, the device is rationally designed, simple in structure, and easy to install and maintain, significantly improving the safety and efficiency of refueling operations on apron pipelines. Additionally, reflective strips on opposite surfaces of the warning flag enhance its warning effect even in low-light conditions.

[0011] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 A schematic diagram of the overall structure of a warning flag device for a refueling truck on an apron pipeline;

[0014] Figure 2 Right view of a warning flag device for an apron pipeline refueling truck;

[0015] Figure 3 for Figure 2 Cross-sectional view of section AA;

[0016] Figure 4 for Figure 3 Enlarged view of section B;

[0017] Figure 5 for Figure 2 Enlarged view of section C.

[0018] The components represented by each number in the attached diagram are listed below: 1. Main upright; 10. Mounting cavity; 101. Servo motor; 102. Slot; 103. Guide groove; 104. Threaded rod; 2. Lifting rod; 201. Guide block; 20. Threaded groove; 21. Spring II; 22. Pressure sensor; 3. Support rod; 30. Warning flag; 301. Reflective strip; 31. Telescopic sleeve; 310. Spring I; 311. Pressure sensor; 312. Control module; 32. Arc-shaped pressure head; 11. Alarm; 12. Mounting plate. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In the description of this utility model, it should be understood that the terms "upper", "middle", "outer", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Please see Figures 1-5 As shown, this utility model is a warning flag device for a refueling truck on an apron pipeline, including a main pole 1 and a lifting pole 2. The main pole 1 has an installation cavity 10, and a slot 102 is formed on the upper surface of the top of the main pole 1. A threaded rod 104 is rotatably connected to the bottom surface inside the slot 102. A servo motor 101 is installed in the installation cavity 10. Guide grooves 103 are symmetrically formed on the upper surface of the top of the main pole 1. A threaded groove 20 is formed in the lifting pole 2. Guide blocks 201 are symmetrically arranged on the periphery of the lifting pole 2. The guide grooves 103 communicate with the slots 102. Several springs 21 are equidistantly arranged on the periphery of the top of the lifting pole 2. A pressure sensor 22 is installed at the top of the lifting pole 2. A support rod 3 is installed at the top of the springs 21. Warning flags 30 are equidistantly arranged on the periphery of the support rod 3. Reflective strips 301 are provided on both opposite surfaces of the warning flags 30.

[0023] Furthermore, the top of the support rod 3 is provided with several telescopic sleeves 31, and springs 310 are sleeved on the periphery of the telescopic sleeves 31. The top of the support rod 3 is provided with a pressure sensor 311, and the top of the support rod 3 is provided with a control module 312. The top of the telescopic sleeves 31 is provided with an arc-shaped pressure head 32. The bottom periphery of the main upright 1 is provided with a mounting plate 12, and the top periphery of the main upright 1 is provided with an alarm 11.

[0024] Furthermore, the shape and size of the threaded groove 20 are adapted to the threaded rod 104, the shape and size of the lifting rod 2 are adapted to the slot 102, and the shape and size of the guide block 201 are adapted to the guide groove 103. The lifting rod 2 is set in the slot 102, the threaded rod 104 is set in the threaded groove 20, and the guide block 201 is set in the guide groove 103. The output end of the servo motor 101 is fixedly connected to the bottom end of the threaded rod 104. The threaded rod 104 is threadedly engaged with the threaded groove 20, and the guide block 201 is slidably engaged with the guide groove 103. The support rod 3 is a polyurethane rod, which is a novel polymer synthetic material between rubber and plastic in this embodiment. It has the characteristics of high elasticity, high strength, wear resistance, and low temperature resistance. At the same time, the upper and lower fixed plates are made of nylon, and the arc-shaped pressure head 32 is made of rubber.

[0025] Furthermore, the control module 312 is electrically connected to an external power supply, and the control module 312 is electrically connected to the pressure sensor 311, the servo motor 101, the alarm 11, and the pressure sensor 22.

[0026] It should be noted that this utility model uses a polyurethane rod as the support rod 3, a novel high-molecular synthetic material between rubber and plastic, which has high elasticity, high strength, wear resistance, and low-temperature resistance. Meanwhile, the upper and lower fixing plates are made of nylon, and the arc-shaped pressure head 32 is made of rubber. In the event of a collision, the support rod 3 will bend. The rubber material of the arc-shaped pressure head 32 reduces damage to the aircraft. Simultaneously, the arc-shaped pressure head 32 compresses the pressure sensor 311, and the control module 312 controls the servo motor 101 to work. The servo motor 101 drives the threaded rod 104 to rotate, and through threaded engagement with the threaded groove 20 in the lifting rod 2, it lowers the lifting rod 2, thereby reducing the height of the warning flag 30 and preventing it from grazing the aircraft, effectively improving safety. The alarm 11 is an audible and visual alarm. The alarm, controlled by the control module 312, activates the alarm 11, emitting an alarm sound and flashing lights to attract the attention of surrounding personnel, further enhancing the warning effect. When the display body collides with the warning flag 30, the support rod 3 presses the spring 21 to one side, simultaneously pressing the pressure sensor 22. The control module 312 controls the servo motor 101 to work, which drives the threaded rod 104 to rotate and, through its threaded engagement with the threaded groove 20 in the lifting rod 2, drives the lifting rod 2 to descend. In a windy environment, the spring 21 will not trigger the pressure sensor 22. After the collision, the support rod 3 will return to its original shape due to its high elasticity, and the lifting rod 2 will rise back to its original position under the reverse rotation of the servo motor 101, and the warning flag 30 will be displayed again, continuing to serve as a warning. In addition, the device is reasonably designed, simple in structure, easy to install and maintain, and greatly improves the safety and efficiency of the apron pipeline refueling truck operation. At the same time, the warning flag 30 has reflective strips 301 on its two opposite surfaces, which can also improve the warning effect in a dimly lit environment.

[0027] In the description of this specification, references to terms such as "an embodiment," "example," and "specific example" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0028] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A warning flag device for a refueling truck on an apron pipeline, comprising a main pole (1) and a lifting pole (2), characterized in that: The main support pole (1) has an installation cavity (10) inside. The upper surface of the top of the main support pole (1) has a slot (102). The bottom surface inside the slot (102) is rotatably connected to a threaded rod (104). The installation cavity (10) is equipped with a servo motor (101). The upper surface of the top of the main support pole (1) has symmetrical guide grooves (103). The lifting rod (2) has a threaded groove (20). The lifting rod (2) has symmetrical guide blocks (201) on its periphery. The guide grooves (103) are connected to the slots (102). The lifting rod (2) has several springs (21) equidistantly arranged on its periphery. The lifting rod (2) has a pressure sensor (22) at its top. The springs (21) have a support rod (3) at their top. The support rod (3) has warning flags (30) equidistantly arranged on its periphery. The warning flags (30) have reflective strips (301) on both opposite surfaces.

2. The warning flag device for a refueling truck on an apron pipeline according to claim 1, characterized in that, The top end of the support rod (3) is provided with several telescopic sleeves (31), and a spring (310) is sleeved on the periphery of the telescopic sleeve (31). The top end of the support rod (3) is provided with a pressure sensor (311), and the top end of the support rod (3) is provided with a control module (312). The top end of the telescopic sleeve (31) is provided with an arc-shaped pressure head (32).

3. The warning flag device for a refueling truck on an apron pipeline according to claim 1, characterized in that, An installation plate (12) is provided on the bottom periphery of the main pole (1), and an alarm (11) is provided on the top periphery of the main pole (1).

4. The warning flag device for a refueling truck on an apron pipeline according to claim 1, characterized in that, The shape and size of the threaded groove (20) are adapted to the threaded rod (104), the shape and size of the lifting rod (2) are adapted to the slot (102), and the shape and size of the guide block (201) are adapted to the guide groove (103).

5. A warning flag device for an apron pipeline refueling truck according to claim 4, characterized in that, The lifting rod (2) is set in the slot (102), the threaded rod (104) is set in the threaded groove (20), the guide block (201) is set in the guide groove (103), the output end of the servo motor (101) is fixedly connected to the bottom end of the threaded rod (104), the threaded rod (104) is threadedly engaged with the threaded groove (20), and the guide block (201) is slidably engaged with the guide groove (103).

6. A warning flag device for an apron pipeline refueling truck according to claim 2, characterized in that, The support rod (3) is a polyurethane rod, which is a new type of polymer synthetic material between rubber and plastic. It has the characteristics of high elasticity, high strength, wear resistance and low temperature resistance. Meanwhile, the upper and lower fixing plates are made of nylon, and the arc-shaped pressure head (32) is made of rubber.

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