Movable foldable hard pipe refueling device
By designing a movable foldable hard pipeline refueling device, the existing pipeline connection devices have solved the problems of insufficient pressure bearing capacity, short service life and large space occupancy of the existing gas refueling device, and efficient and flexible refueling operations are achieved.
Patent Information
- Application Number
- CN202420846542.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The pipeline connection devices of existing airport refueling devices have problems such as insufficient pressure bearing capacity, short service life and large space occupancy, which is difficult to meet the needs of long-distance refueling.
A movable folding hard pipe refueling device is designed, including a filter/refueling control unit and a folding metal pipe unit, using multi-folding pipeline and fully sealed bidirectional rotary joint, combining support base and casters to realize the movement and folding of the device.
It achieves the effects of compact structure, movable, small storage space, large pressure, large flow, filtering and metering control, and can replenish a large amount of jet fuel to the aircraft in a short time.
Smart Images
Figure CN222729483U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of airport refueling devices, in particular to a movable and foldable hard pipeline refueling device. Background Art
[0002] As we all know, a pipeline connection device is required between the airport refueling well and the aircraft to refuel the aircraft tank and realize the pipeline refueling function.
[0003] The pipeline connection devices used in airports need to filter, meter, eliminate static electricity, sample, control pressure and flow, etc. for fuel transportation. Due to restrictions such as site and aircraft model, the pipeline connection devices also need to meet the long-distance transportation of fuel between ground wells and aircraft tanks. In addition, the pipeline connection devices should be able to integrate various equipment together as much as possible to reduce storage space. Long-distance pipeline connections mostly use hoses, and the hoses are loaded on reels to reduce storage space. However, the pressure bearing capacity of hoses is not as good as that of hard pipes. They are often limited by environmental influences during use, and their service life is too low compared to hard pipes. Summary of the Invention
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a movable and foldable hard-pipe refueling device, which has the characteristics of being movable, having a small storage space, being flexible in use, and being able to bear a large pressure.
[0005] The technical solution adopted by the utility model to solve its technical problems is: a movable foldable hard pipeline refueling device, which consists of a filter / refueling control unit and a foldable metal pipeline unit, and is characterized in that the filter / refueling control unit consists of a ground well joint, a control ball valve, an oil collecting tank, a jet fuel filter separator, a static eliminator, a flow meter, a pipeline pressure flow controller, a deadman, a balancer, an accumulator and a pipeline, and is integrated and fixed on a supporting base, the ground well joint is connected to the control ball valve through a pipeline, the connecting pipeline of the ground well joint is connected to the balancer and a fully sealed two-way rotary joint, the control ball valve is connected to the flange of the jet fuel filter separator inlet through a pipeline, the oil collecting tank is connected to the jet fuel filter separator, the accumulator is connected to the pipeline at the outlet of the filter / refueling control unit, and the flange of the jet fuel filter separator outlet is connected to the static eliminator through a pipeline. The electrostatic eliminator is connected to the flow meter inlet flange through a pipeline, the flange of the flow meter outlet is connected to the flange of the pipeline pressure flow controller inlet through a pipeline, the Deadman is connected to the pipeline pressure flow controller, and the flange connecting pipeline of the pipeline pressure flow controller outlet is connected to the connecting pipeline of the folding metal pipeline unit inlet; the folding metal pipeline unit is composed of a folding pipeline, a caster bracket, a fully sealed two-way rotary joint, a balancer, a ball valve, a pressure refueling nozzle and a connecting pipeline, the filter / refueling control unit outlet pipeline is connected to the folding pipeline inlet connecting pipeline, the folding pipeline is a multi-fold pipeline, the bend connection is connected by a fully sealed two-way rotary joint, the lower folding pipeline is connected to the caster bracket, the folding pipeline outlet is connected to the balancer above the pipeline, the folding pipeline outlet flange is connected to the ball valve inlet, and the ball valve outlet is connected to the pressure refueling nozzle.
[0006] The support base consists of a support frame, casters and an electrostatic grounding alarm device. The support frame is welded with rectangular steel pipes. The casters are connected to the bottom of the support frame. The casters are universal spring shock-absorbing casters with brakes. The electrostatic grounding alarm device is fixed on the support frame.
[0007] Each caster bracket of the foldable metal piping unit is equipped with two casters.
[0008] The utility model has the advantages of compact structure, portability, small storage space, high pressure bearing capacity, large flow rate, filtering and metering control, and can be used to fill a large amount of jet fuel for an aircraft in a short time. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0010] Figure 1 This is a schematic diagram of the structure of the utility model
[0011] Figure 2 This is a flow chart of the utility model
[0012] Figure 3 This is a schematic diagram of the structure of the filter / refueling control unit of the utility model
[0013] Figure 4 This is a schematic diagram of the structure of the foldable metal pipeline unit of the present utility model.
[0014] Figure 1. Filter / refueling control unit; 2. Removable foldable metal piping unit; 13. Ground well connector; 14. Control ball valve; 15. Jet fuel filter separator; 16. Fuel collection tank; 17. Static eliminator; 18. Flow meter; 19. Pipeline pressure flow controller; 20. Accumulator; 21. Deadman; 22. Support base; 23. Pressure refueling nozzle; 44. Support frame; 45. Casters; 46. Static grounding alarm device; 67. Folding piping; 68. Caster bracket; 69. Fully sealed two-way swivel joint; 70. Balancer; 71. Ball valve DETAILED DESCRIPTION
[0015] like Figure 1 As shown, the utility model consists of a filter / refueling control unit 1 and a foldable metal pipe unit 2. The filter / refueling control unit 1 is connected to the airport refueling well, and the foldable metal pipe unit 2 is connected to the aircraft fuel tank. The filter / refueling control unit 1 and the foldable metal pipe unit 2 are both equipped with casters 45 for easy movement. The foldable metal pipe unit 2 is small in size and easy to store after being folded.
[0016] like Figure 2As shown in Figure 3, the filtration / refueling control unit 1 primarily filters and meters jet fuel. It consists of a ground-to-ground connector 13, a control ball valve 14, a fuel collection tank 16, a jet fuel filter separator 15, an electrostatic eliminator 17, a flowmeter 18, a pipeline pressure and flow controller 19, a deadman 21, a balancer 70, an accumulator 20, and piping. These components are integrated and fixed to a support base 22. The ground-to-ground connector 13 is connected to the control ball valve 14 via a pipeline. The ground-to-ground connector 13 is connected to the balancer 70 and multiple fully sealed, two-way rotary joints 69 on the pipeline connecting the ground-to-ground connector 13, facilitating its removal and connection to the airport refueling ground. The control ball valve 14 is connected to the inlet flange of the jet fuel filter separator 15 via a pipeline. The jet fuel filter separator 15 is used to remove moisture and impurities from the fuel. The fuel collection tank 16 is connected to the jet fuel filter separator 15 to store the removed moisture and impurities. The accumulator 20 is connected to the outlet piping of the filter / refueling control unit 1 to reduce water hammer pressure caused by sudden changes in refueling conditions during refueling. The outlet flange of the jet fuel filter separator 15 is connected via piping to an eliminator 17, which eliminates static electricity generated by friction during fuel flow. This eliminator 17 is also connected via piping to the inlet flange of a flowmeter 18, which measures fuel volume and monitors flow rate. The outlet flange of the flowmeter 18 is connected via piping to the inlet flange of a pipeline pressure flow controller 19. A deadman 21 is connected to the pipeline pressure flow controller 19, which controls fuel pressure and flow during refueling. The deadman 21 hydraulically controlled manual switch enables rapid opening and closing of the refueling process. The outlet flange of the pipeline pressure flow controller 19 is connected to the inlet connection piping of the folding metal piping unit 2. The filter / refueling control unit 1 features portability, compact storage space, high pressure tolerance, high flow rate, and precise metering control.
[0017] like Figure 3 As shown, the support base 22 is mainly used for the integrated fixation of the various components of the filter / fueling control unit 1, and is composed of a support frame 44, casters 45 and an electrostatic grounding alarm device 46. The support frame 44 is welded with a rectangular steel pipe, and the casters 45 are connected to the bottom of the support frame 44. The casters 45 are universal spring shock-absorbing casters with brakes, which are convenient for the movement and fixation of the filter / fueling control unit 1. The electrostatic grounding alarm device 46 is fixed on the support frame 44, which can timely conduct the static electricity generated by the flow of oil in the pipeline into the ground to ensure refueling safety.
[0018] like Figure 4As shown, the foldable metal pipe unit 2 is mainly used to connect the filter / refueling control unit 1 and the aircraft fuel tank, and is composed of a foldable pipe 67, a caster bracket 68, a fully sealed two-way rotary joint 69, a balancer 70, a ball valve 71, a pressure refueling nozzle 23 and a connecting pipe. The outlet pipe of the filter / refueling control unit 1 is connected to the inlet connecting pipe of the foldable pipe 67. The foldable pipe 67 is a 5-fold pipe, and the bend connection is connected by a fully sealed two-way rotary joint 69. The foldable pipe at the bottom is connected to the caster bracket 68, and each caster bracket 68 is connected to two casters 45. The balancer 70 is connected to the top of the pipe at the outlet of the foldable pipe 67. The outlet flange of the foldable pipe 67 is connected to the inlet of the ball valve 71, and the outlet of the ball valve 71 is connected to the pressure refueling nozzle 23. The pressure refueling nozzle 23 can be connected to the aircraft fuel tank. After the foldable metal pipe unit 2 is unfolded, it can be reached at any position within a radius of 15 meters. It has the characteristics of being movable, having a small storage space, being flexible in use, and having a large pressure bearing capacity.
Claims
1. A removable foldable hard pipeline refueling device, consisting of a filter / refueling control unit and a foldable metal pipeline unit, characterized in that: The filtering / refueling control unit is composed of a ground well joint, a control ball valve, an oil collecting tank, a jet fuel filter separator, an electrostatic eliminator, a flow meter, a pipeline pressure flow controller, a deadman, a balancer, an accumulator and a pipeline, and is integrated and fixed on a supporting base. The ground well joint is connected to the control ball valve through a pipeline, and the connecting pipeline of the ground well joint is connected to the balancer and a fully sealed two-way rotary joint. The control ball valve is connected to the flange at the inlet of the jet fuel filter separator through a pipeline, the oil collecting tank is connected to the jet fuel filter separator, the accumulator is connected to the pipeline at the outlet of the filtering / refueling control unit, the flange at the outlet of the jet fuel filter separator is connected to the electrostatic eliminator through a pipeline, the electrostatic eliminator is connected to the inlet flange of the flow meter through a pipeline, and the outlet of the flow meter The flange is connected to the flange of the pipeline pressure flow controller inlet through the pipeline, the Deman is connected to the pipeline pressure flow controller, and the flange connecting pipeline of the pipeline pressure flow controller outlet is connected to the connecting pipeline of the folding metal pipeline unit inlet; the folding metal pipeline unit is composed of a folding pipeline, a caster bracket, a fully sealed two-way rotary joint, a balancer, a ball valve, a pressure refueling nozzle and a connecting pipeline, the filter / refueling control unit outlet pipeline is connected to the folding pipeline inlet connecting pipeline, the folding pipeline is a multi-fold pipeline, and the bend connection is connected by a fully sealed two-way rotary joint. The folding pipeline at the bottom is connected to the caster bracket, and the balancer is connected to the top of the pipeline at the folding pipeline outlet. The folding pipeline outlet flange is connected to the ball valve inlet, and the ball valve outlet is connected to the pressure refueling nozzle.
2. The movable foldable hard pipeline refueling device according to claim 1 is characterized in that The support base is composed of a support frame, casters and an electrostatic grounding alarm device. The support frame is welded from rectangular steel pipes. The casters are connected to the bottom of the support frame. The casters are universal spring shock-absorbing casters with brakes. The electrostatic grounding alarm device is fixed on the support frame.
3. The movable and foldable hard pipeline refueling device according to claim 1 is characterized in that Each caster bracket of the foldable metal pipeline unit is equipped with two casters.