Dry powder fire extinguishing tank loading mechanism for unmanned aerial vehicle

Abstract

The utility model relates to the technical field of fire-fighting unmanned aerial vehicles, and particularly discloses a dry powder fire extinguishing tank loading mechanism for an unmanned aerial vehicle, which comprises a material barrel mounted on an unmanned aerial vehicle frame, a bearing component is arranged at an opening at the lower end of the material barrel, and the upper end of the material barrel extends to the upper part of the unmanned aerial vehicle frame. The dry powder fire extinguishing tank is loaded into the material barrel from an upper end opening of the material barrel, a control valve assembly is installed at a lower end outlet of the dry powder fire extinguishing tank, and a spray pipe is installed on one side of the unmanned aerial vehicle rack and connected with the control valve assembly through a conveying pipe; according to the utility model, the dry powder fire extinguishing tank is loaded from the upper port of the material barrel, so that the operation from the lower part of the body of the unmanned aerial vehicle or between foot stools is avoided, the dry powder fire extinguishing tank is convenient to mount or replace, and the fire extinguishing efficiency of the unmanned aerial vehicle can be further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fire-fighting unmanned plane technical field relates to a kind of dry powder fire extinguishing tank loading mechanism for unmanned plane. BACKGROUND

[0002] Unmanned plane fire-fighting as a new type of industrial technology has been widely used in various fields, and many fire-fighting agencies in China have successfully conducted fire scene investigation and monitoring, thrown rescue materials and other attempts using unmanned planes, with very obvious results. The application of unmanned planes in high-rise building fire-fighting and forest fire-fighting is also relatively mature.

[0003] Currently, unmanned planes can carry fire extinguishing tanks for efficient fire extinguishing in high-rise buildings. For example, Chinese patent CN110683040A discloses a large-load fire extinguishing unmanned plane and a fire extinguishing method. A fire extinguishing tank support is installed below the unmanned plane, and a large-capacity fire extinguishing tank is installed on the fire extinguishing tank support. The fire extinguishing tank is connected with a telescopic spray pipe. The unmanned plane flies to the vicinity of the fire source, and the fire extinguishing agent in the fire extinguishing tank is sprayed towards the fire source through the spray pipe. For example, Chinese patent CN108404318A discloses a tethered power supply dry powder fire-fighting unmanned plane. A fixed upper plate, a fixed lower plate, a dry powder tank fixing member and a spray rod are installed in the unmanned plane. The dry powder tank is installed on the dry powder tank fixing member, and the spray rod is in communication with the dry powder tank. The fire extinguishing agent in the dry powder tank can be sprayed towards the fire source through the spray rod. However, for the existing technology, when installing or replacing the fire extinguishing tank, it is necessary to operate below the body of the unmanned plane or between the legs of the unmanned plane. After the unmanned plane lands on the ground, it is not convenient to install or replace the fire extinguishing tank due to the small space below the body of the unmanned plane or between the legs of the unmanned plane, which may reduce the fire extinguishing efficiency. SUMMARY

[0004] To solve the above problems, the utility model provides a dry powder fire extinguishing tank loading mechanism for unmanned plane, which solves the problem of inconvenient installation or replacement of fire extinguishing tank for unmanned plane in the prior art.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a dry powder fire extinguishing tank loading mechanism for unmanned plane, comprising a material cylinder installed on the unmanned plane rack, a supporting assembly is arranged at the lower end opening of the material cylinder, the upper end of the material cylinder extends above the unmanned plane rack, a dry powder fire extinguishing tank is loaded into the material cylinder from the upper port of the material cylinder, a control valve assembly is installed at the lower end outlet of the dry powder fire extinguishing tank, a spray pipe is installed on one side of the unmanned plane rack, and the spray pipe is connected with the control valve assembly through a conveying pipe.

[0006] Further, the supporting assembly comprises a main supporting plate and ropes which are cross-connected to the main supporting plate, and a secondary supporting plate which is connected to the ropes, the main supporting plate and the secondary supporting plate support the lower end of the dry powder fire extinguishing tank, and the end of the ropes away from the main supporting plate is connected to the material cylinder.

[0007] Further, the control valve assembly comprises a connecting head which is installed at the lower end outlet of the dry powder fire extinguishing tank and a fire-fighting electromagnetic valve which is installed at the connecting head.

[0008] Further, a quick connector is connected between the conveying pipe and the control valve assembly.

[0009] Further, the conveying pipe is a corrugated pipe or a plastic hose.

[0010] Further, the spray pipe is supported by a cross support assembly which is connected to the UAV leg support.

[0011] Further, the cross support assembly comprises a cross rod and connecting pieces which are connected to the two ends of the cross rod and are installed at the UAV leg support.

[0012] Further, the material cylinder and the spray pipe are made of carbon fiber material.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, the dry powder fire extinguishing tank is loaded from the upper end of the material cylinder, so that the operation is avoided from the lower part of the UAV body or between the leg supports, the installation or replacement of the dry powder fire extinguishing tank is facilitated, and the fire extinguishing efficiency of the UAV is further improved.

[0015] 2. In the utility model, the conveying pipe and the control valve assembly are connected through the quick connector, so that the operation is facilitated, the disconnection or connection efficiency of the conveying pipe is improved, and the time for installing or replacing the dry powder fire extinguishing tank is saved. DRAWINGS

[0016] Figure 1 It is a front view of the utility model;

[0017] Figure 2 It is a right view of the utility model;

[0018] Figure 3 It is an enlarged view of A part in Figure 1

[0019] Figure 4 It is a plan view of the supporting assembly of the utility model.

[0020] ​As shown in the figure: 1, material cylinder; 2, supporting assembly; 201, main supporting plate; 202, rope; 203, vice supporting plate; 3, dry powder fire extinguishing tank; 4, control valve assembly; 5, spray pipe; 6, conveying pipe; 7, quick connector; 8, cross bar; 9, connecting piece. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] As Figures 1-3 shown, the dry powder fire extinguishing tank loading mechanism for unmanned aerial vehicle comprises a material cylinder 1 and a supporting assembly 2, and the material cylinder 1 is connected to the rack of the unmanned aerial vehicle through the bolt or riveting connection mode. The rack of the unmanned aerial vehicle has a fuselage frame, an arm, a motor, a rotor and a main control system. The fuselage frame can be a frame structure composed of sectional materials. Specifically, the material cylinder 1 can be connected to the sectional material of the frame structure. The rack of the unmanned aerial vehicle is the prior art that can be directly used in the field, and will not be described here.

[0023] In the embodiment, the upper end of the material cylinder 1 extends above the rack of the unmanned aerial vehicle. The lower end outlet of the dry powder fire extinguishing tank 3 is provided with a control valve assembly 4. The spray pipe 5 is installed on one side of the rack of the unmanned aerial vehicle. The spray pipe 5 is connected to the control valve assembly 4 through the conveying pipe 6. In use, the dry powder fire extinguishing tank 3 is loaded into the material cylinder 1 from the upper port of the material cylinder 1. Then the spray pipe 5 is connected to the control valve assembly 4 through the conveying pipe 6. After the control valve assembly 4 is connected to the main control system of the unmanned aerial vehicle, the unmanned aerial vehicle can be started to fly to the vicinity of the fire source for fire extinguishing operation. When the dry powder fire extinguishing tank 3 needs to be replaced, the unmanned aerial vehicle is controlled to land on the ground. After the conveying pipe 6 and the control valve assembly 4 are disconnected, the used dry powder fire extinguishing tank 3 is taken out from the upper port of the material cylinder 1, and a new dry powder fire extinguishing tank 3 is reinstalled. The process of installing and replacing the dry powder fire extinguishing tank 3 is simple and convenient, and the fire extinguishing efficiency of the unmanned aerial vehicle is improved.

[0024] In the embodiment, as Figure 4As shown, the supporting assembly 2 comprises a main supporting plate 201 and ropes 202 connected to the main supporting plate 201 in a cross shape, and a secondary supporting plate 203 connected to the ropes 202. The main supporting plate 201 and the secondary supporting plate 203 jointly support the lower end of the dry powder fire extinguishing tank 3. The ends of the ropes 202 away from the main supporting plate 201 are connected to the material cylinder 1. Specifically, two ropes in each direction can be provided, and the ends of the two ropes in each direction away from the main supporting plate 201 are integrally connected. A base plate is installed on the outer side wall of the material cylinder 1 by a screw structure. The lower end of the base plate is integrally connected to two parallel ear plates by a screw or a body. The ear plates are provided with through holes for the ends of the ropes 202 to pass through. The secondary supporting plate 203 is provided around the main supporting plate 201. In order to ensure that the control valve assembly 4 has a good fault-tolerant installation space with the main supporting plate 201, the main supporting plate 201 can be an arc plate or a hole or a notch is formed in the main supporting plate 201 for the control valve assembly 4 to pass through. Alternatively, the control valve assembly 4 can be fault-tolerant and pass out between adjacent secondary supporting plates 203, as long as the control valve assembly 4 can be connected to the conveying pipe 6. The ropes 202 can be steel wires.

[0025] In this embodiment, the control valve assembly 4 comprises a connecting head installed at the lower end outlet of the dry powder fire extinguishing tank 3 and a fire electromagnetic valve installed on the connecting head. The connecting head is connected to the lower end outlet of the dry powder fire extinguishing tank 3 by a threaded structure. The control valve assembly 4 is a prior art and can be directly purchased and used. Therefore, it will not be described here. For example, the QRF series of fire electromagnetic valve groups of Guangzhou Guangxi Valve Co., Ltd.

[0026] In this embodiment, a quick connector 7 is connected between the conveying pipe 6 and the control valve assembly 4. The male end of the quick connector 7 is threadedly connected to the outlet of the control valve assembly 4, and the female end is connected to the conveying pipe 6. The quick connector 7 can be easily operated, and the disconnection or connection efficiency of the conveying pipe 6 is improved.

[0027] In this embodiment, the conveying pipe 6 is a corrugated pipe or a plastic hose, which can be bent at will, improving the flexibility of connection and installation.

[0028] In this embodiment, the spray pipe 5 is supported by a cross support assembly connected to the landing gear of the unmanned aerial vehicle. Specifically, the cross support assembly comprises a cross rod 8 and connecting pieces 9 connected to the two ends of the cross rod 8. The connecting pieces 9 can be U-shaped buckles or hoops, which are installed on the landing gear of the unmanned aerial vehicle. The two ends of the cross rod 8 are flat, and the cross rod 8 and the connecting pieces 9 are connected by bolts. Preferably, a groove is formed in the middle of the cross rod 8 for placing the spray pipe 5. The spray pipe 5 is connected to the cross rod 8 by a U-shaped buckle. Specifically, a through hole is formed in the cross rod 8, and the opening end of the U-shaped buckle passes through the through hole and is connected by a bolt. The cross support assembly can support and limit the spray pipe 5 to prevent it from moving.

[0029] In the embodiment, the material cylinder 1 and the spray pipe 5 are made of carbon fiber material, so that the weight is reduced, and the effective load of the unmanned aerial vehicle is improved.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dry powder fire extinguishing can loading mechanism for a UAV, comprising a material cylinder (1) mounted on the UAV frame, a supporting assembly (2) is arranged at the lower end opening of the material cylinder (1), characterized in that: The upper end of the material cylinder (1) extends above the unmanned aerial vehicle rack, the dry powder fire extinguishing tank (3) is loaded into the material cylinder (1) from the upper port of the material cylinder (1), a control valve assembly (4) is installed at the lower end outlet of the dry powder fire extinguishing tank (3), a spray pipe (5) is installed on one side of the unmanned aerial vehicle rack, and the spray pipe (5) is connected with the control valve assembly (4) through a conveying pipe (6).

2. The dry powder fire extinguishing canister loading mechanism for drones according to claim 1, characterized in that: The supporting assembly (2) comprises a main supporting plate (201) and a rope (202) which is connected to the main supporting plate (201) in a cross shape, and a secondary supporting plate (203) is further connected to the rope (202), the main supporting plate (201) and the secondary supporting plate (203) support the lower end of the dry powder fire extinguishing tank (3), and the end of the rope (202) away from the main supporting plate (201) is connected to the material cylinder (1). 3.The dry powder fire extinguishing canister loading mechanism for drones according to claim 1, characterized in that: The control valve assembly (4) comprises a connecting head installed at the lower end outlet of the dry powder fire extinguishing tank (3) and a fire-fighting electromagnetic valve installed on the connecting head.

4. The dry powder fire extinguishing canister loading mechanism for drones according to claim 1, characterized in that: A quick connector (7) is connected between the conveying pipe (6) and the control valve assembly (4).

5. The dry powder fire extinguishing canister loading mechanism for drones according to claim 1, characterized in that: The conveying pipe (6) is a corrugated pipe or a plastic hose.

6. The dry chemical fire extinguishing canister loading mechanism for drones of claim 1, wherein: The spray pipe (5) is supported by a cross support assembly connected to the unmanned aerial vehicle rack.

7. The dry powder fire extinguishing canister loading mechanism for drones according to claim 6, characterized in that: The cross support assembly comprises a cross rod (8) and a connecting piece (9) connected to both ends of the cross rod (8), and the connecting piece (9) is installed on the unmanned aerial vehicle rack. 8.The dry powder fire extinguishing canister loading mechanism for drones of claim 1, wherein: The material cylinder (1) and the spray pipe (5) are made of carbon fiber material.

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