阅读说明：本技术 一种加油系统 (Refueling system ) 是由 刘明 王丹辉 周代奎 李大宝 于 2020-04-14 设计创作，主要内容包括：本发明公开了一种加油系统,属于飞机加油车管路系统技术领域。本发明包括油罐,其特征在于,所述油罐与加油组件连接,所述加油组件包括气动出油底阀、油泵、方球阀、过滤分离器、压力流量应急控制阀、流量计、二位四通球阀和出油组件,所述气动出油底阀的一端和油罐连接,气动出油底阀的另一端和油泵连接,油泵的另一端和方球阀连接,方球阀的另一端和过滤分离器连接,过滤分离器的另一端和压力流量应急控制阀连接,压力流量应急控制阀的另一端和流量计连接,流量计的另一端和二位四通球阀连接,二位四通球阀的另一端通过出油组件将油输出。本发明的加油系统中采用二位四通球阀,可减少操作球阀数量,管路设计简化、管线长度缩短。(The invention discloses an oiling system, and belongs to the technical field of aircraft fuelling vehicle pipeline systems. The oil tank comprises an oil tank and is characterized in that the oil tank is connected with an oil filling assembly, the oil filling assembly comprises a pneumatic oil outlet bottom valve, an oil pump, a square ball valve, a filtering separator, a pressure flow emergency control valve, a flowmeter, a two-position four-way ball valve and an oil outlet assembly, one end of the pneumatic oil outlet bottom valve is connected with the oil tank, the other end of the pneumatic oil outlet bottom valve is connected with the oil pump, the other end of the oil pump is connected with the square ball valve, the other end of the square ball valve is connected with the filtering separator, the other end of the filtering separator is connected with the pressure flow emergency control valve, the other end of the pressure flow emergency control valve is connected with the flowmeter, the other end of the flowmeter is connected with the two-position four-way ball valve, and the other. The oil filling system of the invention adopts the two-position four-way ball valve, the number of the operation ball valves can be reduced, the pipeline design is simplified, and the pipeline length is shortened.)

1. The oil filling system comprises an oil tank and an oil filling assembly, and is characterized in that the oil tank is connected with the oil filling assembly, the oil filling assembly comprises a pneumatic oil outlet bottom valve (1), an oil pump (2), a square ball valve (39), a filtering separator (3), a pressure flow emergency control valve (4), a flow meter (5), a two-position four-way ball valve (6) and an oil outlet assembly, one end of the pneumatic oil outlet bottom valve (1) is connected with the oil tank, the other end of the pneumatic oil outlet bottom valve (1) is connected with the oil pump (2), the other end of the oil pump (2) is connected with the square ball valve (39), the other end of the square ball valve (39) is connected with the filtering separator (3), the other end of the filtering separator (3) is connected with the pressure flow emergency control valve (4), the other end of the pressure flow emergency control valve (4) is connected with the flow meter (5), and the other end of the flow meter (5) is connected with the two-, the other end of the two-position four-way ball valve (6) outputs oil through an oil outlet assembly.

2. The refueling system as recited in claim 1, wherein the oil outlet assembly comprises a first ball valve (7), a first refueling reel (10) and a pressure refueling nozzle (11), the other end of the two-position four-way ball valve (6) is connected with the first ball valve (7), the other end of the first ball valve (7) is connected with the first refueling reel (10), and the other end of the first refueling reel (10) is connected with the pressure refueling nozzle (11).

3. The refueling system as recited in claim 1, wherein the oil outlet assembly comprises a second ball valve (12), a second refueling reel (13) and a first refueling gun (14), the other end of the two-position four-way ball valve (6) is connected with the second ball valve (12), the other end of the second ball valve (12) is connected with the second refueling reel (13), and the other end of the second refueling reel (13) is connected with the first refueling gun (14).

4. The refueling system as recited in claim 1, wherein the oil outlet assembly comprises a third ball valve (15), a third refueling reel (16) and a second refueling gun (17), the other end of the two-position four-way ball valve (6) is connected with the third ball valve (15), the other end of the third ball valve (15) is connected with the third refueling reel (16), and the other end of the third refueling reel (16) is connected with the second refueling gun (17).

5. The refueling system as recited in claim 1, wherein an oil pumping system is connected to the oil tank, the oil pumping system comprises a high liquid level valve (19), the pressure refueling nozzle (11) is connected to the first refueling reel (10), the other end of the first refueling reel (10) is connected to the first ball valve (7), the other end of the first ball valve (7) is connected to the two-position four-way ball valve (6), the other end of the two-position four-way ball valve (6) is connected to the oil pump (2), the other end of the oil pump (2) is connected to the square ball valve (39), the other end of the square ball valve (39) is connected to the filtering separator (3), the other end of the filtering separator (3) is connected to the pressure flow emergency control valve (4), the other end of the pressure flow emergency control valve (4) is connected to the flow meter (5), and the other end of the flow meter (5) is connected to the two-position four-way ball valve (6), the other end of the two-position four-way ball valve (6) is connected with the high liquid level valve (19), and the other end of the high liquid level valve (19) is connected with the oil tank.

6. A refuelling system according to claim 1, characterized in that a first DN65 ball valve (22) is provided in the line between the pneumatic bottom outlet valve (1) and the oil pump (2).

7. A refuelling system according to claim 1, characterized in that an oil pump inlet vacuum pressure gauge (23) is provided at the inlet of the oil pump (2) and an oil pump outlet pressure gauge (24) is provided at the outlet of the oil pump (2).

8. A refuelling system according to claim 1, characterized in that a second DN65 ball valve (25) is mounted on the line between the oil pump (2) and the square ball valve (39).

Technical Field

The invention relates to the technical field of pipeline systems of aircraft refueling vehicles, in particular to a refueling system.

Background

The aircraft refueling truck has the function of oil pumping besides the refueling function, and the flow rate of oil pumping is measured simultaneously. According to the traditional design of a pipeline system of an aircraft refueling truck, three control ball valves a, b and c are needed to complete the oil feeding and pumping functions. When the oiling operation is carried out, the oiling ball valve a is in an open state, and the oil pumping ball valves b and c are in closed states; when oil pumping operation is carried out, the oil filling ball valve a is in a closed state, and the oil pumping ball valves b and c are in an open state. The operation is more complicated, and the pipeline design is complicated simultaneously, and occupation space is big, brings very big restriction to the further optimization of pipeline improves.

Disclosure of Invention

The present invention is directed to a refueling system to solve the above technical problems.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an oiling system, includes the oil tank and refuels the subassembly, the oil tank is connected with refueling the subassembly, refuel the subassembly and include pneumatic oil outlet bottom valve, oil pump, square ball valve, filtering separator, pressure flow emergency control valve, flowmeter, two-position four-way ball valve and the subassembly that produces oil, the one end and the oil tank of pneumatic oil outlet bottom valve are connected, and the other end and the oil pump connection of pneumatic oil outlet bottom valve, the other end and the square ball valve of oil pump are connected, and the other end and the filtering separator of square ball valve are connected, and filtering separator's the other end and pressure flow emergency control valve are connected, and pressure flow emergency control valve's the other end and flowmeter are connected, and the other end and the two-position four-way ball valve of flowmeter are connected, and the other end of two-.

Furthermore, the subassembly that produces oil includes first ball valve, first refuels reel and pressure and refuels the connector nozzle, and the other end and the first ball valve of two-position four-way ball valve are connected, and the other end and the first reel of refueling of first ball valve are connected, and the other end and the pressure of first refuels reel refuel the connector nozzle and connect.

Furthermore, the oil outlet assembly comprises a second ball valve, a second oil filling reel and a first oil filling gun, the other end of the two-position four-way ball valve is connected with the second ball valve, the other end of the second ball valve is connected with the second oil filling reel, and the other end of the second oil filling reel is connected with the first oil filling gun.

Furthermore, the oil outlet assembly comprises a third ball valve, a third oil filling reel and a second oil filling gun, the other end of the two-position four-way ball valve is connected with the third ball valve, the other end of the third ball valve is connected with the third oil filling reel, and the other end of the third oil filling reel is connected with the second oil filling gun.

Further, be connected with oil pumping system on the oil tank, oil pumping system includes high liquid level valve, pressure refuels the nipple and refuels the reel and connects with first, the other end and the first ball valve of the first reel of refueling are connected, the other end and the two-position four-way ball valve of first ball valve are connected, the other end and the oil pump connection of two-position four-way ball valve, the other end and the square ball valve of oil pump are connected, the other end and the filtering separator of square ball valve are connected, filtering separator's the other end and pressure flow emergency control valve are connected, pressure flow emergency control valve's the other end and flowmeter are connected, the other end and the two-position four-way ball valve (6) of flowmeter are connected, the other end and the high liquid level valve of two-position four-way ball valve (6.

Furthermore, a first DN65 ball valve is arranged on a pipeline between the pneumatic oil outlet bottom valve and the oil pump.

Further, an oil pump inlet vacuum pressure gauge is arranged at an inlet of the oil pump, and an oil pump outlet pressure gauge is arranged at an outlet of the oil pump.

Further, a second DN65 ball valve is arranged on a pipeline between the oil pump and the square ball valve.

Compared with the prior art, the invention has the beneficial effects that:

the invention has novel structure and strong practicability; compared with the traditional design of a pipeline system of the aircraft refueling truck, the number of the operation ball valves is reduced, the misoperation is avoided, and the convenience and the reliability of operation are improved; optimizing and simplifying the pipeline design; the product cost is reduced.

Drawings

FIG. 1 is a system schematic of a fueling system of the present invention;

fig. 2 is a schematic structural diagram of a two-position four-way ball valve of a refueling system of the invention.

The labels in the figure are: 1-an oil outlet bottom valve, 2-an oil pump, 3-a filtering separator, 4-a pressure flow emergency control valve, 5-a flow meter, 6-a two-position four-way ball valve, 7-a first ball valve, 10-a first oiling reel, 11-a pressure oiling nozzle, 12-a second ball valve, 13-a second oiling reel, 14-a first oiling gun, 15-a third ball valve, 16-a third oiling reel, 17-a second oiling gun, 19-a high liquid level valve, 22-a first DN65 ball valve, 23-an oil pump inlet vacuum pressure gauge, 24-an oil pump outlet vacuum pressure gauge, 25-a second DN65 ball valve, 35-a first hot-pressing safety valve, 36-a second hot-pressing safety valve, 37-a third hot-pressing safety valve and 39-square ball valve.

Detailed Description

The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.