Oil drainage and sinking inspection device for aircraft refueling truck

Abstract

The utility model relates to the technical field of aviation kerosene product inspection devices, and provides an aircraft refueling truck oil product drainage sinking inspection device which comprises a box body, a pneumatic diaphragm pump, a collecting box and a closed-circuit sampler are arranged in the box body, and the outer surface of the box body is connected with an air pipe reel. The liquid pumping end of the pneumatic diaphragm pump is connected with a first liquid inlet pipeline and a second liquid inlet pipeline, the first liquid inlet pipeline is detachably connected with a refueling vehicle bottom valve through a metal hose and a quick connector, and the second liquid inlet pipeline is connected with a collecting box. According to the utility model, the oil drainage sinking inspection operation process of the aircraft refueling truck is more standardized, the device can enable samples to be more representative through an oil pumping mode of the pneumatic diaphragm pump, the oil can be effectively prevented from splashing in an oil depot and an airport apron, the capacity of the collecting box can realize that 4-5 aircraft refueling trucks can be inspected each time, and the inspection efficiency is improved. The closed-circuit sampler is adopted for oil product drainage and sinking, so that the oil steam suction amount of operators is effectively reduced, and the working intensity of the operators can be effectively reduced in a pushing mode.

Description

Technical Field

[0001] The present application relates to the technical field of oil inspection devices, and in particular to an oil sedimentation inspection device for an aircraft refueling truck. Background Art

[0002] When operating personnel conduct oil drainage inspection on aircraft refueling trucks, the commonly used method is that the operating personnel use tools such as oil drums and oil sample bottles to conduct drainage inspection by opening the bottom valve on site. When inspecting the oil, the oil needs to be loaded into the oil sample bottle, and the operating personnel rotate the bottle body for inspection.

[0003] This inspection method makes it very easy for oil to spill, especially on the apron, where spillage poses a great safety hazard; the conventional method has a slow sample discharge speed, resulting in unrepresentative samples, which do not meet the relevant requirements of MH / T6020; the oil barrel can only meet the discharge capacity of a single vehicle, and the operator inhales a large amount of oil vapor during the operation, which affects the health of the operator. Therefore, an aircraft refueling truck oil discharge inspection device is proposed to solve the above problems. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the present application provides an oil discharge and sedimentation inspection device for an aircraft refueling truck.

[0005] The present application provides an aircraft refueling vehicle oil product discharge and sinking inspection device that adopts the following technical solution:

[0006] An oil product discharge and sinking inspection device for an aircraft refueling truck comprises a box body, wherein a pneumatic diaphragm pump, a collecting box and a closed-circuit sampler are arranged inside the box body, an air pipe reel is connected to the outer surface of the box body, a liquid extraction end of the pneumatic diaphragm pump is connected to a first liquid inlet pipeline and a second liquid inlet pipeline, the first liquid inlet pipeline is detachably connected to a bottom valve of the refueling truck through a metal hose and a quick connector, the second liquid inlet pipeline is connected to the collecting box, a liquid outlet end of the pneumatic diaphragm pump is connected to a first liquid outlet pipeline and a second liquid outlet pipeline, the first liquid outlet pipeline is connected to the collecting box, the second liquid outlet pipeline is connected to an oil gun, and the first liquid outlet pipe is also connected to the closed-circuit sampler.

[0007] Preferably, the surface of the first liquid inlet pipeline is connected to a first liquid inlet valve, the surface of the second liquid inlet pipeline is connected to a second liquid inlet valve, the surface of the first liquid outlet pipeline is connected to a first liquid outlet valve, and the surface of the second liquid outlet pipeline is connected to a second liquid outlet valve.

[0008] Preferably, when the first liquid inlet valve and the first liquid outlet valve are opened, they are used to draw the oil at the bottom of the refueling truck into a collection box, and when the second liquid inlet valve and the second liquid outlet valve are opened, they are used to discharge the oil in the collection box and recover it into a tank.

[0009] Preferably, both ends of the closed-circuit sampler are connected to pipelines, ball valves are provided on the surfaces of the pipelines, and an automatic return valve is also provided on the surface of the pipeline close to the pneumatic diaphragm pump.

[0010] Preferably, an air pipe is wound around the surface of the air pipe reel, one end of the air pipe is connected to a pneumatic diaphragm pump, and the other end is connected to an air compressor.

[0011] Preferably, the first liquid inlet valve, the second liquid inlet valve, the first liquid outlet valve, and the second liquid outlet valve are all pneumatic valves.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] In the utility model, the oil drainage and sinking inspection operation process of the refueling truck will be more standardized. The device can make the sample more representative by pumping oil through the pneumatic diaphragm pump, which can effectively prevent oil spillage. The collection box capacity can realize the inspection of 4-5 refueling trucks each time. The oil drainage adopts a closed-circuit sampler to effectively reduce the oil vapor inhalation amount of the operating personnel, and the pushing method can effectively reduce the work intensity of the operating personnel; at the same time, it avoids the risks of fire, environmental pollution, personal injury and the like caused by oil spillage from the source, so as to minimize the risk of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional diagram of an oil product discharge and sinking inspection device for an aircraft refueling truck of the present application;

[0015] Figure 2 The present invention is a schematic diagram of the structure of an oil product discharge and sinking inspection device for an aircraft refueling truck.

[0016] Explanation of the accompanying drawings: box body; 2. metal hose; 3. quick connector; 4. air hose reel; 5. oil gun; 6. pneumatic diaphragm pump; 7. collection box; 8. first liquid inlet valve; 9. second liquid inlet valve; 10. first liquid outlet valve; 11. second liquid outlet valve; 12. closed-circuit sampler. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example:

[0019] like Figure 1-Figure 2As shown, the present application discloses an oil product discharge and sinking inspection device for an aircraft refueling truck, comprising a box body 1, wherein a pneumatic diaphragm pump 6, a collecting box 7 and a closed-circuit sampler 12 are arranged inside the box body 1, an air pipe reel 4 is connected to the outer surface of the box body 1, an air pipe is wound around the surface of the air pipe reel 4, one end of the air pipe is connected to the pneumatic diaphragm pump 6, and the other end is connected to an air compressor for supplying air to the pneumatic diaphragm pump 6, a liquid suction end of the pneumatic diaphragm pump 6 is connected to a first liquid inlet pipeline and a second liquid inlet pipeline, the first liquid inlet pipeline is detachably connected to the bottom valve of the refueling truck through a metal hose 2 and a quick connector 3, the second liquid inlet pipeline is connected to the collecting box 7, the liquid outlet end of the pneumatic diaphragm pump 6 is connected to a first liquid outlet pipeline and a second liquid outlet pipeline, the first liquid outlet pipeline is connected to the collecting box 7, the second liquid outlet pipeline is connected to an oil gun 5, and the first liquid outlet pipe is also connected to the closed-circuit sampler 12.

[0020] The surface of the first liquid inlet pipeline is connected to a first liquid inlet valve 8, the surface of the second liquid inlet pipeline is connected to a second liquid inlet valve 9, the surface of the first liquid outlet pipeline is connected to a first liquid outlet valve 10, and the surface of the second liquid outlet pipeline is connected to a second liquid outlet valve 11.

[0021] When the first liquid inlet valve 8 and the first liquid outlet valve 10 are opened, the oil products at the bottom of the refueling truck are pumped into the collection box 7. When the second liquid inlet valve 9 and the second liquid outlet valve 11 are opened, the oil products in the collection box 7 are discharged and recovered into the tank.

[0022] Both ends of the closed-circuit sampler 12 are connected to pipelines, and ball valves are provided on the surface of the pipelines. An automatic return valve is also provided on the surface of the pipeline close to the pneumatic diaphragm pump 6. The first liquid inlet valve 8, the second liquid inlet valve 9, the first liquid outlet valve 10, and the second liquid outlet valve 11 are all pneumatic valves. The pneumatic valves can be interlocked and modified to enable the device to achieve single-function operation and avoid unsafe incidents caused by valve misalignment.

[0023] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0025] Working principle: connect the bottom valve of the tanker truck to the device through the quick connector 3 on the metal hose 2, open the first liquid inlet valve 8 and the first liquid outlet valve 10, use the pneumatic diaphragm pump 6 to extract the oil from the bottom of the tanker truck, and enter the closed-circuit sampler 12 for oil quality inspection. After the inspection, the oil is discharged into the collection box 7 to realize the oil quality inspection function of the tanker truck; connect the oil gun 5 to the collection box 7 through the hose, open the second liquid inlet valve 9 and the second liquid outlet valve 11, and close the first liquid inlet valve 8 and the first liquid outlet valve 10 at the same time, use the pneumatic diaphragm pump 6 to extract the oil from the collection box 7, and recover the oil into the collection tank through the oil gun 5 to realize the oil pouring function of the collection box 7.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An oil product discharge and sinking inspection device for an aircraft refueling vehicle, comprising a box (1), characterized in that: The box body (1) is provided with a pneumatic diaphragm pump (6), a collection box (7) and a closed-circuit sampler (12); the outer surface of the box body (1) is connected to an air pipe reel (4); the liquid extraction end of the pneumatic diaphragm pump (6) is connected to a first liquid inlet pipeline and a second liquid inlet pipeline; the first liquid inlet pipeline is detachably connected to the bottom valve of the refueling vehicle through a metal hose (2) and a quick connector (3); the second liquid inlet pipeline is connected to the collection box (7); the liquid outlet end of the pneumatic diaphragm pump (6) is connected to a first liquid outlet pipeline and a second liquid outlet pipeline; the first liquid outlet pipeline is connected to the collection box (7); the second liquid outlet pipeline is connected to an oil gun (5); and the first liquid outlet pipe is also connected to the closed-circuit sampler (12).

2. The oil product discharge and sinking inspection device for an aircraft refueling vehicle according to claim 1 is characterized by: The surface of the first liquid inlet pipeline is connected to a first liquid inlet valve (8), the surface of the second liquid inlet pipeline is connected to a second liquid inlet valve (9), the surface of the first liquid outlet pipeline is connected to a first liquid outlet valve (10), and the surface of the second liquid outlet pipeline is connected to a second liquid outlet valve (11).

3. The oil product discharge and sinking inspection device for an aircraft refueling vehicle according to claim 2 is characterized by: When the first liquid inlet valve (8) and the first liquid outlet valve (10) are opened, the oil products at the bottom of the refueling truck are pumped into the collection box (7); when the second liquid inlet valve (9) and the second liquid outlet valve (11) are opened, the oil products in the collection box (7) are discharged and recovered into the tank.

4. The oil product discharge and sinking inspection device for an aircraft refueling vehicle according to claim 1 is characterized by: Both ends of the closed-circuit sampler (12) are connected to pipelines, and ball valves are arranged on the surfaces of the pipelines. An automatic return valve is also arranged on the surface of the pipeline close to the pneumatic diaphragm pump (6).

5. The oil product discharge and sinking inspection device for an aircraft refueling vehicle according to claim 1 is characterized by: An air pipe is wound around the surface of the air pipe reel (4), one end of the air pipe is connected to a pneumatic diaphragm pump (6), and the other end is connected to an air compressor.

6. The oil product discharge and sinking inspection device for an aircraft refueling vehicle according to claim 2, characterized in that: The first liquid inlet valve (8), the second liquid inlet valve (9), the first liquid outlet valve (10), and the second liquid outlet valve (11) are all pneumatic valves.

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