CN113620228B

CN113620228B - Aviation fuel refueling device

Info

Publication number: CN113620228B
Application number: CN202110875559.9A
Authority: CN
Inventors: 陈培; 张序洋; 管大胜; 黄海频
Original assignee: SHANGHAI CHENGFEI AVIATION SPECIAL EQUIPMENT CO Ltd
Current assignee: SHANGHAI CHENGFEI AVIATION SPECIAL EQUIPMENT CO Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2025-06-03
Anticipated expiration: 2041-07-30
Also published as: CN113620228A

Abstract

The application provides an aviation oil filling device which comprises a tray framework, an oil pump group and a quick-dismantling assembly. The tray frame is used for bearing the aviation oil tank. The oil pump assembly is detachably assembled on the aviation oil tank. The oil pump assembly comprises an oil pump and a motor in driving connection with the oil pump, wherein the oil pump comprises a pump rod, a supporting seat arranged on the pump rod, an oil inlet end arranged on the pump rod and far away from the oil pump, and an oil outlet end close to the oil pump, and the supporting seat is arranged between the oil inlet end and the oil outlet end and is arranged closer to the oil outlet end relative to the oil inlet end. The quick-dismantling assembly comprises a fixing seat and a sealing cover, wherein the fixing seat is clamped at an oil outlet of the aviation oil tank, and the top surface of the fixing seat is higher than the top surface of the oil outlet. When the oil pump assembly is not assembled in the aviation oil tank, the sealing cover is assembled at the top of the fixing seat to seal the oil outlet of the aviation oil tank. The oil pump assembly can be conveniently disassembled and assembled.

Description

Aviation oil filling device

Technical Field

The application relates to the technical field of aviation oil refueling, in particular to an aviation oil refueling device.

Background

With the high-speed development of the economy in China, aviation industry is also greatly developed. In recent years, as countries gradually start to release low-altitude fields and policy encourages development of general aviation, it is urgent to strengthen fueling services of general aviation equipment.

Disclosure of Invention

The application provides an aviation oil filling device convenient for disassembling an oil pump assembly.

The embodiment of the application provides an aviation oil filling device, which comprises:

The tray framework is used for bearing the aviation oil tank;

The oil pump comprises a pump rod, a supporting seat arranged on the pump rod, an oil inlet end arranged on the pump rod and far from the pump rod and an oil outlet end close to the pump rod, wherein the supporting seat is arranged between the oil inlet end and the oil outlet end and is arranged closer to the oil outlet end relative to the oil inlet end, and the oil pump comprises a motor, a motor and a motor, wherein the motor is in driving connection with the motor

The quick-dismantling assembly comprises a fixed seat and a sealing cover which is detachably assembled on the fixed seat, wherein the fixed seat is in a ring structure and is clamped at an oil outlet of the aviation oil tank, and the top surface of the fixed seat is higher than the top surface of the oil outlet;

when the oil pump assembly is assembled in the aviation oil tank, the pump rod is inserted from the fixed seat and extends into the aviation oil tank, and the bottom of the supporting seat is abutted against the top of the fixed seat; when the oil pump assembly is not assembled on the aviation oil tank, the sealing cover is assembled on the top of the fixing seat to seal an oil outlet of the aviation oil tank.

Optionally, the fixing base comprises a first fixing part and a second fixing part connected with the first fixing part, the second fixing part extends downwards along the bottom of the first fixing part, the first fixing part comprises a first channel which is penetrated up and down, the second fixing part comprises a second channel which is penetrated up and down, the second channel is communicated with the first channel and forms a downward step with the first channel, a groove is arranged between the first fixing part and the second fixing part, the groove is inwards recessed from the inner peripheral wall of the fixing base and communicated with the first channel and the second channel, an oil outlet of the oil tank is clamped in the second channel, the edge of the oil outlet of the oil tank is in limit fit with the groove, the top of the oil outlet of the oil tank is abutted against the step, and the pump rod is clamped in the first channel when the oil pump assembly is assembled in the oil tank.

Optionally, a first chamfer is provided on a side of the groove, which is close to the second channel, with respect to the first channel, and the first chamfer is inclined from top to bottom in a direction from the outer side wall to the inner side wall of the fixing seat.

Optionally, the inner wall of the first channel extends inward and forms the step with the groove.

Optionally, the maximum pore size of the second channel is larger than the maximum pore size of the first channel.

Optionally, the outer peripheral wall of the fixing base is provided with a plurality of flanges extending obliquely along the circumferential direction of the fixing base, wherein the upper edges of the flanges are located at the first fixing portions, the lower edges of the flanges are located at the second fixing portions, the sealing cover comprises a cover body and a plurality of lugs, the lugs extend from top to bottom from the edges of the cover body, one ends of the lugs away from the cover body are bent inwards, and when the oil pump assembly is not assembled in the oil tank, the sealing cover is covered on the fixing base through limit fit of the flanges and the lugs.

Optionally, the horizontal separation distance between adjacent flanges is at least greater than the largest dimension of the ear clip in the horizontal direction.

The radial inclination angle range of the flange relative to the fixed seat is 2-6 degrees.

Optionally, the outer peripheral wall of the fixing seat is further provided with a plurality of limit ribs, the limit ribs extend along the axial direction of the fixing seat and are located above the flange, the inner wall of the cover body is provided with a containing groove, and when the sealing cover is assembled on the fixing seat, the limit ribs are in limit fit with the containing groove.

Optionally, a buffer groove is arranged in the cover body, the buffer groove is arranged at the top of the cover body and is communicated with the accommodating groove, when the sealing cover is assembled on the fixing seat, the top of the fixing seat is positioned in the buffer groove, a limiting block is convexly arranged on the inner wall of the cover body and is arranged between the buffer groove and the accommodating groove, a second chamfer is arranged on the outer circumferential wall of the fixing seat and is inclined from top to bottom in the direction from the inner side wall to the outer side wall of the fixing seat, and when the sealing cover is assembled on the fixing seat, the second chamfer is abutted against the inner wall of the limiting block.

Optionally, the plurality of spacing bars are along the circumference interval setting of fixing base.

Optionally, a locking piece is arranged at the edge of the supporting seat, the locking piece can move along the axial direction of the supporting seat, when the supporting seat is assembled on the fixing seat, the locking piece is operated along the axial direction of the supporting seat from bottom to top, the supporting seat is locked on the flange, when the oil pump assembly is disassembled, the locking piece is operated along the axial direction of the supporting seat from top to bottom, and the supporting seat is unlocked from the flange.

Optionally, the oil pump includes the blade, the blade is located in the pump line, and is located advance oil end when the oil pump assembly assemble in the aviation oil drum, the pump line stretches into in the aviation oil drum, make the blade submerge in the oil in the aviation oil drum.

Optionally, the oil adding device for aviation oil comprises a fire-retarding ventilation valve, wherein the fire-retarding ventilation valve is assembled at an air inlet of the oil tank for aviation oil, and the oil tank for aviation oil is communicated with the outside through the fire-retarding ventilation valve.

Optionally, the oil pump and the motor are assembled through a quick-release structure.

Optionally, the oil pump comprises an explosion-proof oil pump.

Optionally, the motor comprises an explosion-proof motor.

The quick-dismantling assembly of the aviation oil filling device provided by the embodiment of the application can be used for rapidly assembling the oil pump assembly at the oil outlet of the aviation oil tank, and can be used for rapidly sealing the oil outlet of the aviation oil tank when the oil pump assembly is not assembled at the aviation oil tank.

Drawings

FIG. 1 is a schematic diagram illustrating an embodiment of an oil pump assembly of an oil filling device of the present application assembled to an oil drum;

FIG. 2 is a schematic view of another perspective of the fuel filling apparatus of FIG. 1;

FIG. 3 is a schematic view of the marine oil filling apparatus of FIG. 1 from yet another perspective;

FIG. 4 is a schematic view of the marine oil filling apparatus of FIG. 1 from yet another perspective;

FIG. 5 is a schematic view of the alternative view of the fuel filling apparatus of FIG. 1;

FIG. 6 is a schematic diagram illustrating one embodiment of an oil pump assembly of an oil filling device of the present application not assembled to an oil drum;

FIG. 7 is a schematic view of an embodiment of the present application with a carrier and tray frame separated, wherein the oil pump assembly is not assembled to the oil tank;

FIG. 8 is a schematic view of another embodiment of a tray frame of an avionics fuel filling apparatus of the present application;

FIG. 9 is a schematic cross-sectional view of an embodiment of a quick release assembly of an aircraft fuel filler device of the present application assembled to an aircraft fuel tank, wherein the fuel pump assembly is not assembled to the aircraft fuel tank;

FIG. 10 is a schematic view of an embodiment of a quick release assembly of an aircraft fuel filling apparatus of the present application;

FIG. 11 is a cross-sectional view of the quick release assembly of the marine oil refueling apparatus shown in FIG. 10;

FIG. 12 is a schematic cross-sectional view of a quick release assembly of the marine oil refueling apparatus shown in FIG. 10;

FIG. 13 is a schematic cross-sectional view of another view of the quick release assembly of the marine oil refueling apparatus shown in FIG. 10;

FIG. 14 is a schematic view of an embodiment of a mounting bracket of a quick release assembly of the marine oil refueling apparatus shown in FIG. 10;

FIG. 15 is a schematic elevational view of the mounting base of the quick release assembly of the marine oil and fuel assembly of FIG. 14;

FIG. 16 is a schematic cross-sectional view of a mounting bracket of a quick release assembly of the marine oil and refueling apparatus shown in FIG. 14;

FIG. 17 is a schematic view of the seal cap of the quick release assembly of the marine oil refueling apparatus shown in FIG. 10;

FIG. 18 is a schematic cross-sectional view of a seal cover of a quick release assembly of the marine oil refueling apparatus shown in FIG. 17;

FIG. 19 is a schematic top view of a portion of the structure of the marine oil filling apparatus of FIG. 1;

FIG. 20 is a schematic view of a portion of the structure of the marine oil filling apparatus of FIG. 19 from one perspective;

FIG. 21 is a schematic view of a portion of the structure of the marine oil filling apparatus of FIG. 19 from another perspective;

FIG. 22 is a schematic view of the oil pump assembly of the fuel filling apparatus of FIG. 19 shown in a storage rack;

FIG. 23 is a schematic view of the structure of the avionics refueling device of FIG. 22 at a receiving bracket A;

FIG. 24 is a schematic view of an angle of view of an anti-toppling stop of the marine oil filling apparatus of FIG. 1;

FIG. 25 is a schematic cross-sectional view of an anti-toppling stop of the marine oil filler apparatus shown in FIG. 24;

FIG. 26 is a schematic view of an alternative view of the anti-toppling stop of the marine oil filler apparatus of FIG. 1;

FIG. 27 is a schematic cross-sectional view of an anti-toppling stop of the marine oil filler apparatus shown in FIG. 26;

FIG. 28 is a schematic block diagram of an oil pump power supply circuit of the marine oil filling apparatus of FIG. 1;

Fig. 29 is a schematic block diagram of a switch control circuit of the oil pump power supply circuit shown in fig. 28;

FIG. 30 is a schematic view of another embodiment of an anti-toppling stop of an aircraft fuel filling device of the present application;

FIG. 31 is a schematic cross-sectional view of another embodiment of an anti-tip stop of the marine oil filler apparatus shown in FIG. 30;

FIG. 32 is a schematic view of a further embodiment of an anti-toppling stop of an aircraft fuel filling device of the present application;

FIG. 33 is a schematic view of a further embodiment of an anti-toppling stop of an avionics fuel filler device of the present application.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus consistent with aspects of the application as detailed in the accompanying claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" or "an" and the like in the description and in the claims do not denote a limitation of quantity, but rather denote the presence of at least one. The term "plurality" includes two, corresponding to at least two. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

The aviation oil filling device provided by the embodiment of the application comprises a tray framework, an oil pump group and a quick-dismantling assembly. The tray frame is used for bearing the aviation oil tank. The oil pump assembly is detachably assembled on the aviation oil tank. The oil pump assembly comprises an oil pump and a motor in driving connection with the oil pump, wherein the oil pump comprises a pump rod, a supporting seat arranged on the pump rod, an oil inlet end arranged on the pump rod and far away from the oil pump, and an oil outlet end close to the oil pump, and the supporting seat is arranged between the oil inlet end and the oil outlet end and is arranged closer to the oil outlet end relative to the oil inlet end. The quick-dismantling assembly comprises a fixing seat and a sealing cover detachably assembled on the fixing seat, wherein the fixing seat is of a ring structure and is clamped at an oil outlet of the aviation oil tank, and the top surface of the fixing seat is higher than the top surface of the oil outlet. When the oil pump assembly is not assembled in the aviation oil tank, the sealing cover is assembled at the top of the fixing seat to seal the oil outlet of the aviation oil tank.

So set up, through setting up quick detach subassembly's fixing base and sealed lid, the fixing base can be fast with the oil pump subassembly equipment in the oil-out of aviation oil tank, when the oil pump subassembly did not assemble in the aviation oil tank, sealed lid can be fast with the oil-out of aviation oil tank sealed, this quick detach simple structure, and the equipment mode is simple, uses with oil pump subassembly, aviation oil tank cooperation, can conveniently dismantle and assemble, improves packaging efficiency.

The application provides an aviation oil filling device. The aviation oil filling device of the application is described in detail below with reference to the accompanying drawings. The features of the examples and embodiments described below may be combined with each other without conflict.

The fuel filling apparatus 10 may provide fuel filling service for general aviation equipment parked on an aircraft runway and/or apron, or may provide fuel filling service for general aviation equipment parked in a severe geographic environment such as a seismic area, a mountain area, etc. The aviation oil can be aviation gasoline or aviation kerosene, and is called aviation oil for short.

Referring to fig. 1 to 6, the oil filling device 10 includes a carrier 100, a tray frame 200, an oil pumping device 300, a storage rack 500, and an anti-toppling stopper 600.

Specifically, the truck 100 includes a head 101 and a fork 102, the fork 102 being connected to the head 101 and extending along the head 101 toward the tail, the fork 102 being configured to support the tray frame 200. Wherein the tail is opposite to the head 101 and extends from the head 101 in a direction away from the head 101. In some embodiments, the headstock 101 is further provided with a handle 103 for a worker to hold, and the movement direction of the carrier 100 is controlled by the handle 103, so that the use of the headstock is convenient for the worker.

In some embodiments, the tray frame 200 includes an oil drum support 201 for carrying the boat oil drum 20. The aviation oil tank 20 can be manually assembled, disassembled and replaced by an external oil tank carrier, and the method is simple and easy to operate, and is economical and applicable. The oil pumping device 300, the storage bracket 500 and the anti-toppling stopper 600 are provided (assembled) on the tray frame 200, and the upper surface of the tray frame 200 carries the oil pumping device 300, the storage bracket 500 and the anti-toppling stopper 600. In some embodiments, the tray frame 200 extends in a first direction X and a second direction Y, where the first direction X and the second direction Y are in the same horizontal plane, and the second direction Y is a direction perpendicular to the first direction X (as shown in fig. 1). In the embodiment shown in fig. 1, the tray frame 200 may be a rectangular plate, the first direction X may be an extending direction of a long side of the rectangular plate, and the second direction Y may be an extending direction of a short side of the rectangular plate.

In some embodiments, the tray frame 200 includes a first side X1 and a second side X2 opposite in the first direction X, the first side X1 facing the head 101, the second side X2 being remote from the head 101, the oil drum support 201 being disposed proximate the second side X2 relative to the first side X1. In some embodiments, the forks 102 extend from the headstock 101 in a first direction X, the headstock 101 being located on a first side X1. So set up, make the boat oil drum 20 of placing in oil drum supporting part 201 separate with locomotive 101, and keep away from locomotive 101, increase the security.

The fuel filling apparatus 10 is for filling general-purpose aircraft equipment by gravity filling. Gravity fueling refers to the manner in which the aviation oil is fed from the oil outlet of the aviation oil tank 20 into the general-purpose aviation apparatus by virtue of its own weight. The fueling efficiency can be increased by the aid of the fueling device 300. In some embodiments, oil pumping apparatus 300 includes an oil pump assembly 301, a filter separator 302, a flow meter 303, a hose reel 304, a fuel dispenser 305, and an oil viewer 306. The oil pump assembly 301 is detachably assembled to the oil tank 20, and is used for pumping oil in the oil tank 20. The oil inlet end of the filter separator 302 communicates with the oil outlet end of the oil pump assembly 301. The oil inlet end of the flow meter 303 communicates with the oil outlet end of the filter separator 302. The oil inlet end of the hose reel 304 communicates with the oil outlet end of the flow meter 303. The oil inlet end of the fuel dispenser 305 communicates with the oil outlet end of the hose reel 304. The oil inlet end of the oil viewer 306 communicates with the oil outlet end of the oil pump assembly 301. When the aviation oil flows through the filtering separator 302, solid particles and impurities in the aviation oil are filtered through the filter element, water in the aviation oil is separated, and the water sinking into the bottom of the filtering separator 302 can be discharged manually. The filter separator 302 meets the 5 μm filtration accuracy or meets the requirements of GB/T21358-2008 general technical Specification for jet Fuel Filter separators. And the filter separator 302 must be checked before each use of the oil pumping apparatus 300 to ensure safety. The flow meter 303 is used for recording and displaying the flow rate of the filled aviation oil, wherein the metering accuracy of the flow meter 303 is +/-0.2%, and the metering is accurate.

In some embodiments, hose reel 304 includes a reel bracket 307, a fueling coil 308 disposed on reel bracket 307, and a coil rotator 309. Wherein the fuel nozzle 305 communicates with the flow meter 303 through a fuel coil 308. By operating the coil turn hand 309, the spool support 307 is rotated to drive the fueling coil 308 out of the spool support 307 or retract the fueling coil 308 to the fueling coil support 307, thus ensuring a compact structure and a reduced footprint of the entire oil pumping apparatus 300. In some embodiments, the fueling coil 308 may be manually rolled or spring rolled. In some embodiments, the gravity fueling rated flow rate of fueling coil 308 may be up to 25L/min, and the preferable value of fueling coil 308 is 20mm to 40mm, which is 30mm, and the length of fueling coil 308 may be up to 15m. In some embodiments, the oil viewer 306 may observe whether oil (neat or contaminated) in the fill line has passed through the fill coil 308 to the fuel dispenser 305 to ensure that a smooth fill is achieved.

In some embodiments, the coil turn hand 309 is provided on a side of the spool support 307 facing away from the oil drum support 201 in the first direction X. During refueling, the coil turning hand 309 needs to be operated to roll out the refueling coil 308, and the coil turning hand 309 is arranged on the side of the coil bracket 307 facing the headstock 101 and is at least partially positioned right above the headstock 101. The operation of the staff is convenient. And the lowest point of rotation of the coil turn hand 309 is higher than the top surface of the headstock 101. So that the top surface of the headstock 101 is not easy to touch when the worker operates, and the headstock is beneficial to the use of the worker. In some embodiments, the fuel dispenser 305 is disposed on a side of the spool support 307 facing away from the coil turn hand 309 in the first direction X. The fuel gun 305 and the coil turn hand 309 are arranged on two sides of the reel bracket 307, on one hand, the side space of the reel bracket 307 is effectively utilized, so that the aviation fuel filling device 10 is compact in structure, and on the other hand, the operation of workers is facilitated.

In the embodiment shown in fig. 1-5, when the oil pump assembly 301 is assembled to the marine oil drum 20, the oil inlet end of the oil pump assembly 301 extends into the marine oil drum 20 and contacts the oil in the marine oil drum 20. Because aviation gasoline is low-flash-point fuel, the oil inlet end of the oil pump assembly 301 extends into the aviation oil barrel 20 and is fully contacted with aviation oil, the oil inlet end of the oil pump assembly 301 can be prevented from being contacted with air in the mode, spark is avoided, and safety is higher. Compared with the related art of the oil pump using the self-priming function, the embodiment of the application can avoid the phenomena of air resistance and cavitation of the oil pump assembly 301 caused by the oil gas generated by the air pressure. In the embodiment shown in fig. 6, the oil pump assembly 301 is placed on the tray frame 200 when not assembled to the marine oil drum 20. The oil pump assembly 301 is assembled to the boat oil tank 20 when refueling is required, and the oil pump assembly 301 is placed on the tray frame 200 when refueling is not required. So in the operation in-process, can conveniently fill the aviation equipment with the oil in the aviation oil tank 20, the oil pump subassembly can be taken off from the aviation oil tank, can change another barrel of oil when the oil in the aviation oil tank runs out or is basically used up, the operation mode is nimble, and convenient to use, and whole aviation oil filling device makes can utilize the aviation oil tank to refuel, so can be applicable to general aviation equipment's refuel, and aviation oil filling device can be miniaturized relatively, can adapt to some abominable geographical environment, can be used for general aviation equipment's under the rescue environment refuel for example.

In addition, when oiling is not needed, the oil pump assembly 301 is placed on the tray frame 200, so that the transportation process is safer, and the safety is improved. Because the oil pump assembly 301 has a certain weight and volume, if the oil pump assembly 301 is assembled on the aviation oil tank 20 and is not detachable, a certain weight is added to the top of the aviation oil tank 20, so that the gravity center of the aviation oil tank 20 moves upwards, and therefore the aviation oil tank is easy to topple over in the transportation process, and potential safety hazards are easy to occur. In addition, the long-term insertion of the oil pump assembly 301 into the oil drum 20 may affect the oil in the oil drum 20.

In the embodiment shown in connection with fig. 22 and 23, the oil pump assembly 301 includes an oil pump 310 and a motor 311 drivingly connected to the oil pump 310. The motor 311 may power the oil pump 310 to drive the oil pump 310 to operate. The oil pump 310 includes a pump rod 312, a vane 313 disposed in the pump rod 312, a support 314, an oil inlet 315 disposed on the pump rod 312 far from the oil pump 310, and an oil outlet 316 near the oil pump 310. The vane 313 is disposed at an end of the pump rod 312 remote from the motor 311 and is proximate to the oil inlet end 315 relative to the oil outlet end 316. The support 314 is disposed between the oil inlet end 315 and the oil outlet end 316 of the oil pump 310, and is disposed closer to the oil outlet end 316 than the oil inlet end 315. When the oil pump assembly 301 is assembled in the aviation oil tank 20, the pump rod 312 is inserted into the aviation oil tank 20, the oil inlet end 315 is inserted into the aviation oil tank 20, the blade 313 is immersed in oil in the aviation oil tank 20, and the oil outlet end 316 is exposed out of the aviation oil tank 20 and connected with an external pipeline. Because aviation gasoline is low-flash-point fuel, the blades 313 are fully contacted with oil in the aviation oil tank 20, the way can avoid the contact of the oil inlet end 315 of the oil pump 310 with air, the spark is avoided, and the safety is higher. In addition, in the oil pumping process, the pipe wall of the pump rod 312 is clamped with the oil outlet of the aviation oil tank 20, the supporting seat 314 is abutted with the oil outlet of the aviation oil tank 20, and the oil pumping process is not easy to separate and has better stability.

In some embodiments, the oil pump 310 may be a vane-type pump, and the oil pump 310 may operate without pumping and may run dry for 30 minutes without being damaged by the pump being empty. The oil pump 310 and the motor 311 can realize stepless speed regulation, realize adjustable flow, meet different flow filling demands, and the maximum flow can reach 50L, so that staff can flexibly configure according to actual demands. And, the motor 311 is provided with an overheat protection device to prevent the motor 311 from being burnt out due to overload.

In some embodiments, the fuel filler device 10 further includes a fire-blocking vent valve 317, the fire-blocking vent valve 317 being assembled to the air inlet of the fuel tank 20, and the fuel tank 20 being communicable with the outside through the fire-blocking vent valve 317. The air pressure in the aviation oil drum 20 is equalized. And the fire-retardant vent valve 317 can prevent external open fire from entering the aviation oil tank 20, so that the safety factor is high. In some embodiments, the oil filling device further comprises a pressure monitoring component (not shown) which can monitor the system pressure in real time to ensure the safety of use and maintenance.

In some embodiments, the oil pump 310 is assembled with the motor 311 via a quick release structure. Through quick detach formula structure assembly, on the one hand compact structure, butt joint simple to operate does not need appurtenance, on the other hand easily unpick and wash, convenient maintenance. In some embodiments, the oil pump 310 comprises an explosion-proof oil pump, which consumes up to 880W of power. In some embodiments, the motor 311 comprises an explosion-proof motor. Through setting up explosion-proof oil pump and explosion-proof motor, prevent the explosion, the security is high. In some embodiments, the total weight of the oil pump 310 and the motor 311 ranges from 4kg to 8kg. The weight is lighter and the oil pump assembly 301 is easier to carry and maintain. In some embodiments, the oil pump assembly 301 may be of the type HD-E2-V+SS304-1000HP or the tank pump of FLUX, germany.

In some embodiments, the truck 100 comprises an electric truck. In some embodiments, the truck 100 comprises an explosion-proof electric truck. The explosion-proof electric carrier is electronically steered, and the explosion-proof level is IIB T4 Gb. Because the carrier 100 is used for transporting aviation gasoline and is low-flash-point fuel, and has higher requirements on safety, the explosion-proof electric carrier is higher in safety. In some embodiments, the truck 100 has a reload size of 2300mm by 1000mm by 1100 mm and an empty size of 2300mm by 1000mm by 1200mm. In some embodiments, the maximum allowable total mass of the truck 100 may be up to 1.5t, which is a relatively large load. The maximum speed of the truck 100 may be up to 4km/h.

In some embodiments, the cart 100 includes a power device 104 and a cable storage box 105. The power supply device 104 includes a battery 801 (as shown in fig. 28), a power output line (not shown), and a power output interface 106, the battery 801 is provided on the vehicle head 101, and the power output line connects the battery 801 and the power output interface 106. The cable receiver 105 is located the locomotive 101, and the cable receiver 105 is used for accomodating the power output line, and power output interface 106 locates one side of cable receiver 105. By arranging the cable storage box 105 to store the power output line, the occupied space of the power output line is reduced, so that the head 101 of the carrier 100 is more compact in layout and more attractive in appearance. And the safety coefficient is higher through the interface of power output interface connection outside. The power output line is not shown in the drawings because it is located in the cable housing case 105.

In some embodiments, battery 801 may be an explosion-proof battery that does not support removal charging. In some embodiments, the storage battery 801 is a rechargeable battery. In some embodiments, the battery 801 may output 24VDC for a charge period of 4-6 hours with a maximum load of 1.5t. The minimum ground clearance of the battery 801 is 20mm to 40mm, and a preferable value thereof is 30mm. In some embodiments, the battery capacity of battery 801 includes 85AH (amp-hours) or 210AH (amp-hours). In this embodiment, the battery capacity 85AH of the storage battery 801 can support the movement of the truck 100 about 12km or support the loading refueling operation for about 2 hours. In other embodiments, battery capacity 210AH of battery 801 may support movement of cart 100 for about 25km or may support a top loading fueling operation for about 6 hours.

In the embodiment shown in fig. 2, the power supply device 104 includes a power supply main switch 107 and a switch indicator lamp 108, and the power supply main switch 107 and the switch indicator lamp 108 are provided on the top surface of the vehicle head 101 and electrically connected to a storage battery 801. The power supply main switch 107 is used for controlling the on-off of the storage battery 801, and in case of emergency, the power-off protection operation is safe. The switch indicator lamp 108 is used for indicating the working state of the power supply main switch 107, for example, when the power supply main switch 107 is turned on, the switch indicator lamp 108 is turned on, and when the power supply main switch 107 is turned off, the switch indicator lamp 108 is not turned on. And, locate the top surface of locomotive 101 with power master switch 107 and switch pilot lamp 108, make things convenient for the staff to operate.

In some embodiments, the cable storage box 105 is disposed on a front side of the truck head 101 facing away from the fork 102. Because the locomotive 101 is towards one side of fork 102, has placed oil pumping device 300 on the tray framework 200, and oil pumping device 300 is nearer with the distance of locomotive 101, and the space is limited, and locomotive 101 is facing away from the front side of fork 102 towards handlebar 103, and the space is great, locates this side with cable receiver 105, effectively utilizes the space, makes the overall arrangement of whole carrier 100 compacter. In some embodiments, the cable storage box 105 includes a first storage box side 109 extending in the direction of extension of the forks 102 and a second storage box side 110 opposite the first storage box side 109. Wherein the power output interface 106 is disposed on the first side 109 of the housing. The first storage box side surface 109 and the oil drum supporting part 201 are respectively located at different sides, and the power output interface 106 is arranged on the first storage box side surface 109, so that the connection of external power lines is facilitated.

In some embodiments, the cart 100 further includes a driving warning light 111 and a charging interface 112 electrically connected to the battery 801. The driving warning lamp 111 is located at one side of the vehicle head 101, specifically, the driving warning lamp 111 is located at the second storage box side 110. The traffic warning light 111 is used for reminding surrounding avoidance in the driving process of the carrier 100. Because the power output line of the storage battery 801 is stored in the cable storage box 105, the driving warning lamp 111 is arranged on the side surface 110 of the second storage box, and is convenient to be connected with the power output line. And the power output interface 106 and the driving warning lamp 111 are symmetrically arranged on the first storage box side surface 109 and the second storage box side surface 110, so that the side surface of the cable storage box 105 is effectively utilized while the wiring of the power output line is reduced, and the structure of the carrier 100 is compact and the whole carrier is attractive. The charging interface 112 is disposed on one side of the vehicle head 101 and on one side of the power supply device 104. The external power line is conveniently connected. In some embodiments, charging interface 112 comprises an explosion-proof socket. The explosion-proof socket has good explosion-proof performance and high safety.

In some embodiments, the truck 100 is provided with a front wheel 113 extending downwardly from the lower surface of the truck head 101 and a plurality of rear wheels 114 extending downwardly from the lower surface of the fork 102 and located in an area of the fork 102 remote from the truck head 101. In the present embodiment, the length of the oil drum 20 in the vertical direction is 850mm to 900mm, and the preferable value thereof is 890mm. The weight of the oil product can reach 150 kg-200 kg when the oil product is filled, and the preferable value is 170kg. The weight of the product without oil can reach 15 kg-20 kg, and the preferable value is 19kg. From the above data, the weight of the oil drum 20 is relatively large, whether it is full or empty. The plurality of rear wheels 114 are provided on the fork 102 in a region remote from the head 101 to carry a substantial portion of the weight of the oil drum 20 to provide for more stable transportation of the oil filling device 10.

In some embodiments, the tray frame 200 is provided with a plurality of lifting eyes 202, the lifting eyes 202 extending upwardly from the upper surface of the tray frame 200 for assembly with an external lifting fixture. In this embodiment, the tray frame 200 is rectangular, and four hanging rings 202 are provided and are respectively located at four corners of the tray frame 200. For example, in the case of a specific height or a specific practical scenario, an external transportation tool may be used to connect with the plurality of suspension rings 202, so as to ensure normal oiling, and increase the application scenario. In some embodiments, the tray frame 200 comprises stainless steel plates. The stainless steel plate has strong corrosion resistance, static electricity conductivity, explosion prevention and high safety. And the stainless steel plate has higher hardness and is firm.

In the embodiment shown in fig. 3 and 7, the truck 100 is detachably assembled with the tray frame 200. In some embodiments, the truck 100 includes a fork 102 that is liftable and includes a raised state (as shown in fig. 3) and a depressed state (as shown in fig. 7) for the fork 102. In some embodiments, the tray frame 200 is provided with a plurality of support feet 203, the plurality of support feet 203 extending downwardly from a lower surface of the tray frame 200, wherein the tray frame 200 is lifted by the forks when the forks 102 are in a raised state, and the plurality of support feet 203 are lifted off the ground. At this time, the carrier 100 may drive the tray frame 200, the oil pumping device 300 and the oil tank 20 provided on the tray frame 200 to move, and when the carrier moves to a designated place, the fork 102 is switched from the raised state to the depressed state, and when the fork 102 is in the depressed state, the tray frame 200 is lowered, and the plurality of support legs 203 are landed. At this time, the supporting legs 203 play a role in supporting and fixing, so that the carrier 100, the tray frame 200 and the oil pumping device 300 arranged on the tray frame 200 are fixed and not moved, thus ensuring that the carrier is not easy to move in the oiling process and ensuring the safety. In the present embodiment, four supporting feet 203 are provided at four corners of the tray frame 200, respectively.

In some embodiments, the avionics oil filling device 10 includes a positioning assembly 700, wherein the positioning assembly 700 includes a positioning pin 701 and a positioning ring 702 corresponding to the positioning pin 701, the positioning pin 701 is disposed on a side of the tray frame 200 facing the vehicle head 101 and extends in a horizontal direction, the positioning ring 702 is disposed on a side of the vehicle head 101, and an opening of the positioning ring 702 faces the tray frame 200. In the embodiment shown in fig. 1 to 5, the positioning pins 701 are inserted into the positioning rings 702 correspondingly when the tray frame 200 is assembled to the carrier 100. In the embodiment shown in fig. 6, the positioning pins 701 are separated from the positioning ring 702 when the tray frame 200 is separated from the carrier 100. By providing the positioning pins 701 and the positioning rings 702, the truck 100 and the tray frame 200 can be quickly assembled and positioned. In other embodiments, the positioning assembly 700 may be a magnetic assembly, which is not limited in the present disclosure.

In some embodiments, the tray frame 200 is provided with a telescoping first roller 204, the first roller 204 extending downwardly from the lower surface of the tray frame 200 and being located in a central region of the tray frame 200. Because the weight of the oil drum 20 and the oil pumping device 300 is large, the first roller 204 is arranged in the middle area of the tray frame 200, so that the weight of the oil drum 20 and the oil pumping device 300 can be borne, and the center of gravity of the whole oil pumping device 10 is positioned in the middle area of the tray frame 200, so that the oil pumping device is more stable in moving.

In some embodiments, the first roller 204 includes an extended state and a retracted state, wherein the first roller 204 is in the retracted state when the fork 102 is in the raised state (as shown in fig. 3), the first roller 204 is off the ground, and the first roller 204 is in the extended state when the fork 102 is in the depressed state, and the first roller is on the ground (not shown). The tray frame 200 can utilize an external traction tool to carry out traction movement by arranging the telescopic first roller 204, so that the tray frame can flexibly move and the application scene is enlarged when the carrier 100 is not arranged.

In the embodiment shown in fig. 8, the tray frame 200 is provided with a plurality of second rollers 205 and a plurality of braking members 206 corresponding to the positions of the plurality of second rollers 205, the second rollers 205 are fixed to the bottom of the tray frame 200 and contact with the ground, the braking members 206 include a braking position 2061 and a non-braking position 2062, wherein the second rollers 205 are braked when the braking members 206 are in the braking position 2061, and the second rollers 205 are released and movable when the braking members 206 are in the non-braking position 2062. By providing the second roller 205 and the corresponding brake 206, the tray frame 200 can be switched to the non-braking position 2062 by the brake 206 when movement is required, and the tray frame 200 can be moved by the second roller 205. When the movement is not required, the brake 206 is used to switch the brake position 2061 to brake, the pallet frame 200 is fixed, and then the oil pumping device 300 is used to pump oil. The external traction tool can be used for traction, so that the vehicle 100 can flexibly move and the application scene can be enlarged when the vehicle is not provided.

In some embodiments, the plurality of rollers 205 and the plurality of braking members 206 extend downward from the lower surface of the tray frame 200 and are distributed at four corners of the tray frame 200. Because the tray frame 200 is loaded with the aviation oil tank 20 and the oil pumping device 300, the weight is large, and the plurality of rollers 205 and the plurality of brake elements 206 are distributed at four corners of the tray frame 200, on one hand, the brake elements 206 are convenient for operators to operate, and on the other hand, the whole aviation oil pumping device can be stable and better when moving.

The switching of the brake 206 from the non-braking position 2062 to the braking position 2061 may be performed by a worker or may be performed by other automatic control, and is not limited in the present application.

In the embodiment shown in fig. 1 to 5, the flow meter 303, the rubber hose reel 304, and the fuel dispenser 305 are all distributed along the first direction X with the tank support 201, the fuel dispenser 305 is disposed close to the tank support 201 with respect to the flow meter 303, the rubber hose reel 304, and the filter separator 302 is distributed side by side with the fuel dispenser 305 along the second direction Y. In actual use, the aviation fuel filling device 10 is stopped at one side close to a fuel filling port of a general aviation device, the aviation fuel tank 20 is also close to one side of the general aviation device, the flowmeter 303 and the fuel tank supporting part 201 are positioned at the same side in the first direction X, so that a worker can observe the specific filling flow, the hose reel 304 and the fuel filling gun 305 are positioned at the same side in the first direction X, the worker can conveniently fill fuel in the general aviation device, the required fuel filling coil 308 is shorter, and the reeling-out or the reeling-in of the fuel filling coil 308 are simpler and more convenient.

In some embodiments, the avionics oil filling device 10 further includes a fixed bracket 318 protruding from the upper surface of the tray frame 200 and having a certain height. The fixed bracket 318 is used for fixing the flowmeter 303, the rubber hose reel 304 and the oiling gun 305, wherein the rubber hose reel 304 and the oiling gun 305 are arranged on the top of the fixed bracket 318. Because the aviation oil filling device 10 needs staff to operate when filling oil, the rubber hose reel 304 and the oil gun 305 are arranged at the top of the fixed bracket 318, so that the flowmeter 303, the rubber hose reel 304 and the oil gun 305 have a certain height, the upper space of the fixed bracket 318 is effectively utilized, and the staff can operate more conveniently and more easily. The flow meter 303 is provided on the side of the fixing bracket 318 facing away from the filter separator 302. The display surface of the flowmeter 303 faces the staff, so that the staff can observe the flow of the oil filling product conveniently. The height can be set according to the height of the worker or the hand-held height by using the upper surface of the tray frame 200 as a reference surface, and is not limited in the present application.

In some embodiments, the fixed brackets 318 are distributed along the first direction X with the oil drum support 201 and are disposed side-by-side along the second direction Y with the filter separator 302. In this embodiment, the maximum diameter size of the oil drum 20 ranges from 550mm to 600mm, with a preferred value of 580mm. The oil drum 20 occupies most of the space of the tray frame 200 in the second direction Y, and the fixed bracket 318 and the flowmeter 303, the rubber hose reel 304 and the fuel gun 305 disposed on the fixed bracket 318 also occupy a certain space, if the structural layout is not compact, the volume of the oil filling device 10 is larger, so that the occupied area of the oil filling device 10 is larger, and the use is limited. Therefore, to ensure that tray frame 200 and thus avionics refueling device 10 are smaller and more compact in layout, mounting bracket 318 and bucket support 201 are distributed along first direction X, and mounting bracket 318 and filter separator 302 are disposed side-by-side along second direction Y.

In some embodiments, bottom of stationary bracket 318 has a receiving space 319, and oil filler device 10 includes a plurality of receiving boxes 320 disposed within receiving space 319. The accommodation space 319 is provided to effectively use the lower space of the fixing bracket 318. The plurality of storage boxes 320 are provided in the storage space 319, so that the storage boxes 320 can be used to store various small-sized hand-held maintenance tools and the like, thereby enriching the storage function of the oil and gas filling device 10.

In some embodiments, the fixed bracket 318 is provided with a fuel gun limiting groove 321 (as shown in fig. 1), the fuel gun limiting groove 321 is arranged on one side of the fixed bracket 318 facing away from the filter separator 302, and the fuel outlet end of the fuel gun 305 is clamped in the fuel gun limiting groove 321. The oil outlet end of the oil gun 305 is the oil inlet of the oil gun 305, and the oil inlet of the oil gun 305 is clamped in the oil gun limiting groove 321, so that on one hand, the oil gun 305 is conveniently fixed on the fixed support 318, and a worker can conveniently take the oil gun, and on the other hand, the oil inlet of the oil gun 305 is prevented from being exposed outside, and the oil inlet of the oil gun 305 is prevented from being polluted by the external environment.

In the embodiment shown in fig. 1 and 4, the avionics fueling device 10 further includes a conductive wire spool 322 disposed on the stationary support 318. When the aviation oil filling device 10 is used for filling oil, the static electricity conducting wire coil 322 is taken down from the fixed support 318, the static electricity conducting wire is arranged in the static electricity conducting wire coil 322 and used for rapidly releasing static electricity on the aviation oil filling device, and the static electricity conducting wire must be reliably grounded in the process of filling oil. An electrostatic conduction device is arranged on the working surface side of the general aviation equipment. In some embodiments, the static electricity conductive wire spool 322 is located on one side of the hose spool 304 in the first direction X. So can effectively utilize the upper portion space of fixed bolster 318, and make things convenient for the staff to take.

In some embodiments, the oil pumping device 300 further includes a communicating pipe 323 connected to the oil viewer 306, an oil inlet end of the communicating pipe 323 communicates with the oil outlet end 316 of the oil pump assembly 301, the communicating pipe 323 includes a first oil outlet end 3231 and a second oil outlet end 3232, the oil inlet end of the oil viewer 306 communicates with the first oil outlet end 3231, and the oil inlet end of the filter separator 302 communicates with the second oil outlet end 3232. Because the oil pump assembly 301 is detachably assembled to the aviation oil tank 20, the pipeline connected to the oil outlet end 316 of the oil pump 310 is detachably assembled, and the communicating pipe 323 is provided, at least the communicating pipe 323 connecting the oil pump 310 to the oil viewer 306 and the filter separator 302 can be not detached, and only the pipeline connecting the communicating pipe 323 to the oil outlet end 316 of the oil pump 310 is detached, so that the assembly time can be reduced, and the assembly efficiency can be improved.

In some embodiments, there is a gap between the fixing bracket 318 and the oil drum support 201, and the oil viewer 306 and the communication pipe 323 are provided in the gap between the fixing bracket 318 and the oil drum support 201. The space between the fixing bracket 318 and the oil drum supporting part 201 is thus effectively utilized. The oil visual separator 306 and the communication pipe 323 are arranged side by side in the second direction Y, and are provided on one side of the oil drum supporting portion 201, and the filter separator 302 and the communication pipe 323 are arranged side by side in the second direction Y. The pipeline connecting the communicating pipe 323 with the oil viewer 306, the oil pump 310 and the filtering separator 302 is shorter, the pipeline layout is more compact, the layout of the aviation oil filling device 10 is compact, the volume is smaller, the occupied area is smaller, and the application scene is more.

In some embodiments, the avionics oil filling device 10 includes a fixing rod 324 disposed at one side of the oil drum support 201, the fixing rod 324 protruding from the upper surface of the tray frame 200, and a communication pipe 323 fixed to the fixing rod 324. The fixing lever 324 is used to fix the communication pipe 323 to ensure that the communication pipe 323 has a certain height.

In some embodiments, the oil inlet end of the communication pipe 323 is located higher than the first oil outlet end 3231 of the communication pipe 323, and higher than the height of the oil viewer 306, higher than the height of the aviation oil tank 20. So make the oil feed end of communicating pipe 323 and first oil outlet 3231 of communicating pipe 323, look oily ware 306, the oil drum 20 of aviation oil have the difference in height, guarantee that the oil in the communicating pipe 323 is the oil that pumps from the oil drum 20 of aviation oil through oil pump 310, and can flow smoothly to look oily ware 306 in the observation of being convenient for, and not because the oil of the pipeline that oil outlet 316 of oil pump 310 connects stores in to guarantee the normal operating of pump oil device 300.

In some embodiments, the first oil outlet end 3231 is at a height above the second oil outlet end 3232. Because the oil entering from the oil inlet end of the communicating pipe 323 firstly enters the oil-viewing device 306 through the first oil outlet end 3231, when the oil in the oil-viewing device 306 is observed, normal transportation can be indicated in a pipeline connected with the oil pump 310, and the arrangement is convenient for observation, so that the normal operation of the oil pumping device 300 is ensured.

In some embodiments, the avionics refueling device 10 further includes a fire extinguisher 325, assembled to the tray frame 200, for increased safety by providing the fire extinguisher 325. In some embodiments, the fire extinguishers 325 are disposed side by side with the oil drum support 201 in the second direction Y and are located at one side of the receiving bracket 500. The space of the tray frame 200 is effectively utilized, and the components provided on the tray frame 200 are compact, thereby making the size of the tray frame 200 small. And the lowest point of the fire extinguisher 325 is spaced apart from the upper surface of the tray frame 200. The height of the fire extinguisher 325 is convenient for the staff to take, and is not laborious.

In some embodiments, the oil pump assembly 301 further includes a motor handle 326, the motor handle 326 being provided on one side of the motor 311. The motor 311 can be conveniently taken by a worker, and the motor handle 326 is arranged on one side of the motor 311, so that the motor is more ergonomic and is easy to use by the worker. In some embodiments, the oil pump assembly 301 further includes a hand-held portion 327, the hand-held portion 327 being disposed above the oil outlet end 316 of the pump stem 312. When the oil pump assembly 301 needs to be detached from the oil outlet of the aviation oil tank 20, the handheld portion 327 can be arranged, so that the disassembly of workers can be facilitated. In some embodiments, the oil pump assembly 301 further includes a dust cover (not shown) disposed on one side of the motor 311. When the pump rod 312 is stored in the storage pipe 502, the motor 311 is located outside the storage pipe 502, and at this time, the motor 311 can be shielded by the dust cover, so that the motor 311 is prevented from being influenced by external environment.

In some embodiments, the marine oil fueling apparatus 10 includes a quick disconnect assembly 400. The oil pump assembly 301 is detachably assembled to the marine oil drum 20 through the quick release assembly 400. As shown in fig. 1 to 5 and fig. 9 to 18, the quick release assembly 400 includes a fixing base 401 and a sealing cover 402 detachably assembled to the fixing base 401. Wherein the fixing seat 401 is in a ring structure, the fixing seat 401 is clamped at the oil outlet of the aviation oil tank 20, and the top surface of the fixing seat 401 is higher than the top surface of the oil outlet. In order to ensure that the pump rod 312 is inserted from the fixing base 401, connected with the fixing base 401 and extends into the oil tank 20 when the oil pump assembly 301 is assembled in the oil tank 20, the bottom of the supporting base 314 abuts against the top of the fixing base 401, and the sealing cover 402 is assembled on the top of the fixing base 401 to seal the oil outlet of the oil tank 20 when the oil pump assembly 301 is not assembled in the oil tank 20 (as shown in fig. 9). Through setting up fixing base 401 and sealed lid 402 of quick detach subassembly 400, wherein fixing base 401 can assemble oil pump 310 in the oil-out of aviation oil drum 20 fast, when oil pump 310 did not assemble in aviation oil drum 20, sealed lid 402 can seal the oil-out of aviation oil drum 20 fast, and this quick detach simple structure, and the equipment mode is simple, uses with oil pump 310, aviation oil drum 20 cooperation, can conveniently dismantle and assemble, improves packaging efficiency.

In some embodiments, the holder 401 includes a first fixing portion 403 and a second fixing portion 404 connected to the first fixing portion 403, the second fixing portion 404 extending downward along a bottom of the first fixing portion 403. The first fixing portion 403 includes a first channel 405 that penetrates up and down, the second fixing portion 404 includes a second channel 406 that penetrates up and down, and the second channel 406 communicates with the first channel 405 and forms a downward step 407 with the first channel 405. In some embodiments, a groove 408 is provided between the first fixing portion 403 and the second fixing portion 404, wherein an inner wall of the first channel 405 extends inward and forms a step 407 with the groove 408. The groove 408 is recessed inward from the inner peripheral wall of the holder 401 and communicates with the first passage 405 and the second passage 406. When the fixing seat 401 is assembled on the aviation oil tank 20, the oil outlet of the aviation oil tank 20 is clamped in the second channel 406, the edge of the oil outlet of the aviation oil tank 20 is in limit fit with the groove 408, and the top of the oil outlet of the aviation oil tank 20 is abutted against the step 407. The assembly mode is simple, and the fixing seat 401 is not easy to separate from the oil outlet of the aviation oil tank 20. When the oil pump assembly 301 is assembled in the oil tank 20, the pump rod 312 is clamped in the first channel 405, and the outer wall of the pump rod 312 is attached to the inner wall of the first channel 405. In some embodiments, the first fixing portion 403 and the second fixing portion 404 are integrally formed, and the structure is simple.

In some embodiments, the recess 408 is provided with a first chamfer 409 on a side of the recess 408 adjacent to the second channel 406 relative to the first channel 405, the first chamfer 409 sloping from top to bottom in a direction from the outer side wall toward the inner side wall of the holder 401. By arranging the first chamfer 409 to play a guiding role, the fixing seat 401 is favorable to be sleeved at the oil outlet of the aviation oil tank 20, and is not easy to separate from the groove 408 when the fixing seat 401 is sleeved at the oil outlet of the aviation oil tank 20.

In some embodiments, the maximum aperture of the second channel 406 is greater than the maximum aperture of the first channel 405. Because the oil outlet of the aviation oil tank 20 is clamped in the second channel 406, the oil outlet has a thickness, the maximum aperture of the second channel 406 is larger than that of the first channel 405, the inner wall of the oil outlet is flush with the inner wall of the first channel 405, the pump rod 312 is ensured to be free from clamping through the first channel 405 and the second channel 406, and the aviation oil tank 20 can be smoothly inserted.

In some embodiments, the outer peripheral wall of the holder 401 is provided with a plurality of flanges 410, and the plurality of flanges 410 extend obliquely along the circumferential direction of the holder 401. Wherein an upper edge of the flange 410 is located at the first fixing portion 403 and a lower edge of the flange 410 is located at the second fixing portion 404. The sealing cover 402 comprises a cover 411 and a plurality of lugs 412, the lugs 412 extend from the edge of the cover 411 from top to bottom, and one end of the lugs 412 away from the cover 411 is bent inwards, when the oil pump assembly 301 is not assembled in the oil tank 20, the sealing cover 402 is covered on the fixing seat 401 through the limit fit of the plurality of flanges 410 and the plurality of lugs 412. In the present embodiment, two flanges 410 are provided, and the inclination directions of the two flanges 410 coincide. When the sealing cover 402 is covered on the holder 401, the lugs 412 of the sealing cover 402 are covered from the gap between the two adjacent flanges 410, and rotate from the high end to the low end of the flange 410 along the extending direction of the flange 410 (the high end and the low end can be used as reference surfaces with the plane of the radial direction of the holder 401) to be clamped with the flange 410 until the bottom end surface of the flange 410 is in contact with the end surface opposite to the flange 410 in the lugs 412, which means that the sealing cover 402 is clamped with the holder 401. When it is necessary to detach the sealing cap 402, the sealing cap 402 can be detached from the holder 401 by rotating in the opposite direction. In some embodiments, the horizontal separation distance between adjacent flanges 410 is at least greater than the largest dimension of the ear clip 412 in the horizontal direction. This arrangement facilitates easier engagement of the ear clip 412 in the gap between two adjacent flanges 410, and improves assembly efficiency.

The fixing seat 401 is provided with a plurality of flanges 410, so that the fixing seat is in limit fit with the lugs 412 of the sealing cover 402, and is in limit fit with the supporting seat 314 arranged on the pump rod 312, so that the pump rod 312 is convenient to assemble, and the fixing effect of the pump rod 312 is ensured. In some embodiments, the edge of the support base 314 is provided with a locking member 329 (as shown in fig. 2), the locking member 329 can move along the axial direction of the support base 314, and when the support base 314 is assembled to the fixing base 401, the locking member 329 is operated along the axial direction of the support base 314 from the lower direction to the upper direction, and the support base 314 is locked to the flange 410 (as shown in fig. 3). When the oil pump assembly 301 is disassembled, the locking piece 329 is operated in the upward-downward direction along the axial direction of the support base 314, and the support base 314 is unlocked from the flange 410. With this arrangement, the oil pump 310 can be stably assembled to the oil outlet of the aviation oil tank 20.

In the embodiment shown in fig. 15, the angle α1 at which the flange 410 is inclined with respect to the radial direction of the holder 401 ranges from 2 ° to 6 °. In some embodiments, the angle α1 of inclination of the flange 410 with respect to the radial direction of the holder 401 may be 2 ° or 3 ° or 4 ° or 5 ° or 6 °, with a preferred value of 4 °. By setting the flange 410 at a proper inclination angle, the abutting effect of the ear clip 412 and the flange 410 can be ensured to be better, and the assembly tightness is better.

In the embodiment shown in fig. 13 to 15, the outer peripheral wall of the holder 401 is further provided with a plurality of limiting ribs 413, and the plurality of limiting ribs 413 extend along the axial direction of the holder 401 and are located above the flange 410. In the embodiment shown in fig. 18, the inner wall of the cover 411 is provided with a receiving groove 414, and when the sealing cover 402 is assembled to the fixing seat 401, the limiting rib 413 is in limiting fit with the receiving groove 414. The fixing seat 401 is provided with a plurality of limit ribs 413, on one hand, for limiting cooperation with the inner wall of the sealing cover 402, and on the other hand, for abutting with the accommodating groove 414, so that the sealing cover 402 is convenient to assemble, and the fixing effect of the sealing cover 402 is ensured. In some embodiments, a plurality of stop ribs 413 are spaced apart along the circumference of the holder 401. In this embodiment, the number of the limiting ribs 413 is four, and the limiting ribs are symmetrically disposed in the circumferential direction of the first fixing portion 403.

In the embodiment shown in fig. 18, a buffer slot 415 is provided in the cover 411, and the buffer slot 415 is provided at the top of the cover 411 and communicates with the accommodation slot 414. Since the flange 410 is inclined along the circumferential direction of the fixing base 401, when the sealing cover 402 is covered on the fixing base 401, the sealing cover 402 has a certain moving distance in the vertical direction, and the buffer slot 415 is provided with a buffer space by arranging the buffer slot 415 at the top of the sealing cover 402, so that the top of the first fixing portion 403 is prevented from touching the top wall of the cover 411. When the sealing cover 402 is assembled to the holder 401, the top of the holder 401 is positioned in the buffer slot 415. The inner wall of the cover 411 is convexly provided with a limiting block 416 which is arranged between the buffer slot 415 and the accommodating slot 414. The limiting block 416 is used for separating the buffer slot 415 and the accommodating slot 414. The outer peripheral wall of the holder 401 is provided with a second chamfer 417, the second chamfer 417 is inclined from top to bottom in a direction from the inner side wall to the outer side wall of the holder 401, and when the sealing cover 402 is assembled to the holder 401, the second chamfer 417 abuts against the inner wall of the stopper 416. The fixing base 401 is provided with a second chamfer 417 to avoid collision with the limiting block 416.

In some embodiments, the oil pump assembly 301 is assembled to the receiving bracket 500 when the oil pump assembly 301 is not assembled to the marine oil drum 20. As shown in fig. 19 to 23, since the oil drum 20 placed on the drum support 201 occupies a large space, and the receiving bracket 500 has a certain length, the entire oil filling device 10 is compact and small. The storage rack 500 and the oil drum supporting portion 201 are distributed along the second direction Y, so that the storage rack 500 is located at one side of the oil drum 20. In this way, the space of the tray frame 200 in the first direction X can be effectively utilized.

If the oil pump assembly 301 is assembled to the oil drum 20 and not disassembled when refueling is not required, the height of the entire oil refueling apparatus 10 is increased, so that the center of gravity of the entire oil refueling apparatus 10 is raised, which is not safe enough during the moving process. And because the motor 311 has certain volume and weight, and for the whole oil pump assembly 301, the bearing weight and the volume are larger, the motor is not safe enough in the moving process, and is easy to misplacement with the oil outlet of the aviation oil tank 20, and the fixing effect is not good. In the present application, when the oil pump assembly 301 is not assembled to the oil tank 20, the oil pump assembly 301 is assembled to the storage rack 500, so that the center of gravity of the oil filling device 10 is lowered, and the transportation stability is better.

In the embodiment shown in fig. 19 to 23, the storage rack 500 includes a plurality of support rods 501 and storage tubes 502, the support rods 501 extending upward from the upper surface of the tray frame 200. The support bar 501 is spaced from the upper surface of the tray frame 200. In some embodiments, the receiving tube 502 is assembled to the upper ends of the plurality of support bars 501 obliquely with respect to the upper surface of the tray frame 200, and extends from the second side X2 to the first side X1. The receiving tube 502 extends from the second side X2 to the first side X1, effectively utilizing the space of the tray frame 200 in the first direction X. When the oil pump assembly 301 is not assembled to the marine oil tank 20, the pump rod 312 is accommodated in the accommodating tube 502, and the motor 311 is positioned outside the accommodating tube 502. So set up, accomodate pipe 502 for tray frame 200's upper surface slope setting, and have a distance with tray frame 200's upper surface, when oil pump assembly 301 assembled in accomodating support 500, oil pump assembly 301 has a certain distance for tray frame 200's upper surface, makes things convenient for the staff to take. The pump rod 312 is accommodated in the accommodating tube 502, and as impurities are accumulated for a long time, part of the oil product in the pump rod 312 is collected in the accommodating tube 502, and the accommodating tube 502 is obliquely arranged relative to the upper surface of the tray frame 200, so that the oil product in the accommodating tube 502 can be conveniently cleaned or cleared. In some embodiments, the plurality of support rods 501 are spaced apart along the first direction X and the second direction Y, and the plurality of support rods 501 are spaced apart from the second side X2 to the first side X1. In the application, the number of the support rods 501 is two, and the support rods are arranged in the middle area of the storage tube 502, so that the force bearing the storage tube 502 is balanced, and the stability is better.

In some embodiments, the receiving bracket 500 and the oil drum supporting part 201 are distributed along the second direction Y, and the receiving pipe 502 is disposed obliquely with respect to the upper surface of the tray frame 200 and the second direction Y. So set up, when oil pump assembly 301 is not assembled in oil drum 20, motor 311 distributes in second direction Y with oil drum 20 that places in oil drum supporting part 201, and is located oil drum 20's one side, and is more convenient when taking oil pump assembly 301. Because the motor 311 has certain volume and weight, the motor 311 and the aviation oil tank 20 are positioned on the same side, the taking path is reduced, and more labor is saved.

In some embodiments, the receiving tube 502 includes a first receiving end 503 and a second receiving end 504 opposite to each other, wherein the first receiving end 503 and the oil drum supporting portion 201 are distributed along the second direction Y, the first receiving end 503 is adjacent to the second side X2 with respect to the first side X1, and the second receiving end 504 is adjacent to the first side X1 with respect to the second side X2. When the oil pump assembly 301 is not assembled to the boat oil tank 20, the pump rod 312 extends from the first receiving end 503 to the second receiving end 504, and the motor 311 is located outside the first receiving end 503. So set up, make motor 311 be located and place in the same side of the oil drum 20 of oil drum supporting part 201, conveniently take.

In the embodiment shown in fig. 19, the receiving tube 502 extends obliquely in the direction from the second side X2 to the first side X1 in the second direction Y toward the oil drum supporting portion 201. Because the pump rod 312 is inserted into the oil tank 20 and the oil inlet end 315 of the pump rod 312 contacts with the oil in the oil tank 20, the pump rod 312 has a certain length, and is accommodated in the accommodating tube 502 when the assembly of the pump rod 312 to the oil tank 20 is not needed, the accommodating tube 502 has a certain length, and the accommodating tube 502 extends obliquely from the second side X2 to the first side X1 and in the direction close to the oil tank supporting portion 201 in the second direction Y, so that the space of the oblique angle of the tray frame 200 is effectively utilized, the volume of the tray frame 200 is made smaller, and the length of the oil tank 10 is made shorter, and therefore, in the transportation process, the gravity center of the oil tank 10 is closer to the vehicle head 101. In some embodiments, the receiving tube 502 is disposed obliquely with respect to the vertical direction and the first direction X.

If the receiving tube 502 is not inclined, the length of the tray frame 200 is longer, so that the distance from the front 101 of the truck 100 to the fork 102 is longer, resulting in longer length and larger volume of the whole avionics oil filling device 10. While the oil drum 20 has a certain weight and is located at a side far from the vehicle head 101, in the case that the length of the tray frame 200 is long, the weight of the tail of the carrier 100 is large, so that the center of gravity of the whole oil filling device 10 is located at the rear and is unstable in the transportation process. Therefore, the storage tube 502 of the present application is disposed obliquely, so that the space of the diagonal corner of the tray frame 200 can be effectively utilized, and the volume of the tray frame 200 is smaller, so that the length of the oil filling device 10 is shorter, and the center of gravity of the oil filling device 10 is closer to the vehicle head 101 during transportation.

In the embodiment shown in fig. 20, the first receiving end 503 is higher than the second receiving end 504. The pump rod 312 is accommodated in the accommodating tube 502, and as impurities are accumulated for a long time, part of the oil product in the pump rod 312 is collected in the accommodating tube 502, the accommodating tube 502 is obliquely arranged relative to the upper surface of the tray frame 200, and the first accommodating end 503 is higher than the second accommodating end 504, so that the oil product in the accommodating tube 502 can be conveniently cleaned or cleared.

In the embodiment shown in fig. 21, the receiving tube 502 is inclined at an angle α2 ranging from 5 ° to 15 ° with respect to the upper surface of the tray frame 200. In some embodiments, the angle at which the receiving tube 502 is inclined relative to the upper surface of the tray frame 200 is 5 ° or 7 ° or 9 ° or 10 ° or 13 ° or 15 °. The proper inclination angle of the receiving tube 502 relative to the upper surface of the tray frame 200 can facilitate the insertion of the pump rod 312 into the receiving tube 502 and the operation of the worker.

In the embodiment shown in fig. 19, the inclination angle α3 of the receiving tube 502 with respect to the second direction Y ranges from 65 ° to 85 °. In some embodiments, the inclination angle α3 of the receiving tube 502 with respect to the second direction Y may be 65 ° or 70 ° or 75 ° or 80 ° or 85 °, which is preferably 77 °. When the inclination angle of the receiving pipe 502 with respect to the second direction Y is set to be suitable, the tray frame 200 is made smaller in the case where the pump rod 312 can be received, and the volume and the occupied area of the entire oil filling device 10 are made smaller.

In the embodiment shown in fig. 22, the storage rack 500 includes a plug member 505, where the plug member 505 is detachably assembled to the second storage end 504 to plug the second storage end 504. In some embodiments, the plug member 505 may be a groove structure, and when the oil product in the storage tube 502 needs to be cleaned, the carrier 100 and the tray frame 200 are separated, and the plug member 505 is detached from the second storage end 504, so that the operation of a worker is facilitated. In some embodiments, when the oil pump assembly 301 is not assembled to the marine oil drum 20, the oil inlet end 315 of the oil pump 310 is positioned within the receiving tube 502, adjacent the second receiving end 504 relative to the first receiving end 503, and at a distance from the bulkhead 505. The oil inlet end 315 of the oil pump 310 is properly spaced from the plug member 505, so that a space is reserved between the oil inlet end 315 of the oil pump 310 and the plug member 505, a certain amount of oil can be stored, and the oil collected at the second storage end 504 is ensured not to contact with the oil inlet end 315 of the oil pump 310, so that less oil is extracted from the storage pipe 502 from the oil inlet end 315 of the oil pump 310 when the oil pump 310 is reused, and waste is avoided. In some embodiments, the plug member 505 is made of teflon, which is antistatic, safer, and more resistant to corrosion.

In the embodiment shown in fig. 21 and 22, the storage bracket 500 includes a ring support 506, and the ring support 506 is disposed at the first storage end 503. The ring support 506 serves to support, on the one hand, the inner side wall of the ring support 506 serves to support the outer side wall of the pump rod 312, and on the other hand, the end surface of the ring support 506 serves to support the support base 314.

In some embodiments, the ring support 506 is attached to at least an inner wall and an end surface of the first receiving end 503, and when the pump rod 312 is received in the receiving tube 502, an outer sidewall of the pump rod 312 is attached to an inner sidewall of the ring support 506. This arrangement provides a gap between the outer side wall of the pump rod 312 and the inner side wall of the receiving tube 502. By providing the ring body support 506, the inner side wall thereof can support the pump rod 312, thereby avoiding contact friction between the outer side wall of the pump rod 312 and the inner side wall of the receiving tube 502 when the pump rod 312 is inserted into the receiving tube 502 or pulled out from the receiving tube 502, and generating static electricity or spark, thereby improving safety. In some embodiments, the ring body support 506 is U-shaped in cross section and is clamped to the first receiving end 503 (as shown in fig. 23). With this arrangement, the ring support 506 is not easily disengaged from the first receiving end 503 when the pump rod 312 is withdrawn from the receiving tube 502. In some embodiments, the bottom of the support base 314 abuts the top of the ring support 506 when the pump rod 312 is received within the receiving tube 502. The bottom end surface of the support base 314 is attached to the top end surface of the ring body support 506, and is combined with the inner side wall of the ring body support 506, so that the fixing effect of the pump rod 312 in the receiving tube 502 is better.

In some embodiments, the inner diameter of the ring support 506 ranges from 50mm to 80mm. In some embodiments, the inner diameter of the ring body support 506 may be 50mm or 55mm or 60mm or 65mm or 70mm or 75mm or 80mm, with a preferred value of 65mm. The inner diameter of the ring body support 506 is set to be suitable, so that static electricity or spark generated by contact friction is avoided when the pump rod 312 is inserted into the receiving tube 502 or is pulled out from the receiving tube 502, and safety is improved. In some embodiments, the material of ring body support 506 is teflon. Teflon is antistatic, and the security is better, and corrosion resistance is strong.

In some embodiments, the receiving tube 502 includes a limiting protrusion 507 (as shown in fig. 22), the limiting protrusion 507 is protruding from an inner peripheral wall of the receiving tube 502, the limiting protrusion 507 is disposed near the second receiving end 504 relative to the first receiving end 503, and the limiting protrusion 507 abuts against the pump rod 312 when the pump rod 312 is received in the receiving tube 502. When the aviation oil filling device 10 moves, the pump rod 312 arranged in the storage tube 502 is easy to contact and rub with the storage tube 502, so that the limiting protrusion 507 is arranged on the inner side wall of the storage tube 502, the pump rod 312 arranged in the storage tube 502 is limited to be difficult to shake, and static electricity or spark is prevented from being generated due to contact and friction with the inner side wall of the storage tube 502.

In the embodiment shown in fig. 1 to 6 and 24 to 27, the anti-toppling stopper 600 includes a stopper main body 601 and a protective layer 602 covering the surface of the stopper main body 601. The anti-toppling stopper 600 is protruded upward from the upper surface of the tray frame 200 and is located at the edge of the oil drum supporting portion 201. The oil tank supporting portion 201 is used for carrying the oil tank 20, and due to the large volume and weight of the oil tank 20, the oil tank 20 may have an unstable center of gravity and topple over during the movement of the oil filling device 10. Therefore, the edge of the oil drum supporting portion 201 is provided with the block main body 601 of the anti-toppling block 600, so as to prevent the oil drum 20 disposed on the oil drum supporting portion 201 from toppling, and the protective layer 602 disposed on the surface of the block main body 601 is used for protecting the block main body 601, so as to prevent friction between the oil drum 20 and the block main body 601. In addition, the anti-toppling block 600 can play a role in positioning, fixing and buffering protection when the aviation oil tank 20 is assembled and disassembled.

In the embodiment shown in fig. 24 to 27, the anti-toppling block 600 includes a plurality of anti-toppling columns 603 having a columnar shape, and the plurality of anti-toppling columns 603 are spaced apart from the edge of the oil drum supporting portion 201. In this embodiment, four anti-toppling columns 603 are provided at intervals on the edge of the oil drum supporting portion 201, so as to prevent toppling of the aviation oil drum 20 in all directions. The anti-toppling stopper 600 is provided as a columnar anti-toppling column 603, has a simple structure, and is convenient to assemble.

In some embodiments, the maximum horizontal distance between the anti-toppling stopper 600 and the outer sidewall of the oil drum 20 when the oil drum 20 is placed on the oil drum support 201 is in the range of 10mm to 20mm, which is preferably 15mm. The proper horizontal distance is arranged between the anti-toppling stop block 600 and the aviation oil drum 20, so that the anti-toppling stop block 600 is not easy to contact and rub when the aviation oil drum 20 is placed on the oil drum supporting portion 201, and safety is guaranteed.

In some embodiments, the height L1 of the block body 601 ranges from 150mm to 200mm (as shown in fig. 25). In some embodiments, the height L1 of the stop body 601 may be 150mm or 160mm or 170mm or 180mm or 190mm or 200mm, which is preferably 180mm. Because the volume and weight of the oil drum 20 are large, the height of the block main body 601 is not too high or too low, when the height of the block main body 601 is too high, the height of the block main body 601 is too high to lift the oil drum 20 when the oil drum 20 is required to be placed on the oil drum supporting part 201, and the block main body 601 is too low, and when the oil drum 20 placed on the oil drum supporting part 201 is toppled over, the anti-toppling function cannot be achieved. Therefore, the height of the block main body 601 is set to be proper, so that the anti-toppling effect can be achieved, and the moderate height of the lift-up aviation oil tank 20 can be ensured, so that no effort is required. In some embodiments, the ratio of the height of the block body 601 to the height of the oil drum 20 is in the range of 1/5 to 1/4.5, which is preferably 1/4.8. So set up, set up the proportion of the height of dog main part 601 with the height of aviation oil drum 20 suitable, on the one hand can reach the effect of preventing empting, on the other hand can guarantee to lift the height of aviation oil drum 20 moderate, easily.

In some embodiments, the material of the stopper body 601 is stainless steel, and the tray frame 200 includes stainless steel plates, and the stopper body 601 is connected with the stainless steel plates. Stainless steel has strong corrosion resistance, static electricity conductivity, explosion prevention and high safety. In some embodiments, the material of the protective layer 602 is teflon, which can prevent mechanical friction between the oil drum 20 and the stopper body 601, so that sparks are easily caused, and safety is improved. Teflon is antistatic and has strong corrosion resistance.

In the embodiment shown in fig. 24 to 27, the anti-toppling post 603 includes a first end 604 and a second end 605 which are opposite, the second end 605 includes a bottom end surface, the second end 605 is an end close to the tray frame 200, the second end 605 extends downwards from the upper surface of the tray frame 200 to the bottom end surface, threads 606 are provided in the circumferential direction of the second end 605, the tray frame 200 is provided with threaded holes (not shown) which correspond to the threads 606 and penetrate up and down, and the anti-toppling post 603 is fixed to the tray frame 200 by the cooperation of the threads 606 and the threaded holes. Because the volume and the weight of the aviation oil tank 20 are great, there is higher requirement to the fixed effect of anti-toppling stopper 600, and anti-toppling post 603 is fixed in tray framework 200 through the cooperation of screw thread 606 and screw hole, and its fixed mode is simple, and in the in-process that aviation oil filling device 10 removed, anti-toppling post 603 is difficult not hard up, and fixed effect is good. In some embodiments, the length of the second end 605 is greater than or equal to 1/6 of the length of the anti-toppling post 603. The length of the second end 605 is set to be proper, so that the second end 605 can be penetrated from the upper surface of the tray frame 200 to the lower surface of the tray frame 200, and the tray frame has enough fixed length, is more firm in fixation and is not easy to loosen. In some embodiments, the length L2 of the second end 605 ranges from 25mm to 35mm. In some embodiments, the length L2 of the second end 605 may be 25mm or 27mm or 29mm or 31mm or 33mm or 35mm, which preferably has a value of 30mm.

In some embodiments, the sidewall of the protective layer 602 is provided with a relief through hole 607, the relief through hole 607 is disposed closer to the second end 605 than the first end 604, and the stopper body 601 disposed in the relief through hole 607 is exposed in the relief through hole 607. The protection layer 602 is provided with a yielding through hole 607, and the stop block main body 601 positioned in the yielding through hole 607 is exposed out of the yielding through hole 607, so that a worker can conveniently fix the anti-toppling column 603 on the tray frame 200 by means of an external fixing tool and using the yielding through hole 607 as a fixing supporting surface.

In some embodiments, the vertical distance between the upper and lower edges of the relief holes 607 is greater than or equal to 1/9 of the length of the anti-toppling posts 603. The vertical distance between the upper edge and the lower edge of the yielding through hole 607 is set to be proper, so that a sufficient fixing supporting surface is provided to be fully contacted with an external fixing tool, and the fixing tool is not easy to slide from the anti-toppling column 603 when the anti-toppling column 603 is fixed. In some embodiments, the vertical distance L3 between the upper edge and the lower edge of the relief hole 607 ranges from 15mm to 25mm (as shown in fig. 25 or 26), which is preferably 20mm.

In some embodiments, the maximum diameter range of the anti-toppling post 603 is 28mm to 36mm. In some embodiments, the maximum diameter of anti-toppling post 603 may be 28mm or 30mm or 32mm or 34mm or 36mm, with a preferred value of 32mm. The maximum diameter of the anti-toppling column 603 is set to be proper, so that the aviation oil tank 20 is ensured to have enough hardness when toppling, and the aviation oil tank 20 can be blocked. In some embodiments, the ratio of the maximum diameter of the anti-toppling column 603 to the maximum outer diameter of the boat oil tank 20 is in the range of 1/20 to 1/15, with a preferred value of 1/18. The ratio of the maximum diameter of the anti-toppling column 603 to the maximum outer diameter of the aviation oil tank 20 is set to be proper, so that the anti-toppling column 603 cannot damage the aviation oil tank 20 when the aviation oil tank 20 topples.

In some embodiments, the thickness L4 of the protective layer 602 located on the peripheral wall of the stopper body 601 in the anti-toppling column 603 ranges from 3mm to 7mm (as shown in fig. 25). In some embodiments, the thickness L4 of the protective layer 602 at the peripheral wall of the stopper body 601 may be 3mm or 4mm or 5mm or 6mm or 7mm, which preferably has a value of 5mm. The thickness of the protective layer 602 positioned on the circumferential wall of the block body 601 is set to be proper, so that the contact friction between the wall of the oil drum 20 and the protective layer 602 on the circumferential wall of the block body 601 can be prevented. In some embodiments, the thickness L5 of the protective layer 602 located on the top wall of the stopper body 601 in the anti-toppling column 603 ranges from 5mm to 15mm (as shown in fig. 25). In some embodiments, the thickness L5 of the protective layer 602 at the top wall of the stopper body 601 may be 5mm or 7mm or 9mm or 11mm or 13mm or 15mm, which preferably has a value of 10mm. Because the volume and the weight of the oil drum 20 are great, when the oil drum 20 needs to be placed on the oil drum supporting part 201 or the oil drum 20 needs to be taken down from the oil drum supporting part 201, the bottom of the oil drum 20 is easy to contact with the top of the anti-toppling column 603 or the number of times of contact is relatively large, so the thickness of the protective layer 602 positioned on the top wall of the block main body 601 is relatively thick relative to the protective layer 602 positioned on the peripheral wall of the block main body 601, and the thickness of the protective layer 602 positioned on the top wall of the block main body 601 is set to be proper, the protective layer 602 positioned on the top wall of the block main body 601 can be prevented from being damaged easily, the bottom wall of the oil drum 20 is prevented from touching the top of the block main body 601, and the oil drum 20 is protected.

In some embodiments, the top of the shield layer 602 is provided with a first shield chamfer 608, the first shield chamfer 608 being inclined from top to bottom away from the central axis of the anti-toppling column 603, the first shield chamfer 608 being inclined at an angle of less than 45 ° with respect to the central axis of the anti-toppling column 603. Because the volume and the weight of the oil drum 20 are large, when the oil drum 20 needs to be placed on the oil drum supporting part 201, the first protection layer chamfer 608 is arranged on the top of the protection layer 602, so that the guiding effect is achieved, and the oil drum 20 is conveniently and rapidly placed on the oil drum supporting part 201. Moreover, the first protection layer chamfer 608 is inclined at an angle smaller than 45 ° with respect to the central axis of the anti-toppling column 603, so that the guiding effect is better, and the oil drum 20 can be placed on the oil drum supporting portion 201 more quickly.

In the embodiment shown in fig. 1-6, the avionics fueling device 10 includes a control box 115, the control box 115 being assembled to the tray frame 200, the control box 115 being disposed proximate the first side X1 relative to the second side X2 and being electrically connected to the battery 801. The control box 115 is arranged to be separated from the oil drum 20 placed on the oil drum supporting part 201, and the safety factor is high. And the control box 115 is close to the vehicle head 101 and is close to the storage battery 801 in the vehicle head 101, so that the control box is conveniently connected with the storage battery 801, the length of a power line connected with the storage battery 801 is reduced, and the whole aviation oil filling device 10 is compact in structure. As shown in fig. 28, the control box 115 is electrically connected to the battery 801 in a pluggable manner, the control box 115 includes an inverter 804, the oil pump assembly 301 is electrically connected to the inverter 804 in a pluggable manner, and the inverter 804 converts the dc power output from the battery 801 into ac power and outputs the ac power to power the oil pump assembly 301. With such arrangement, the aviation oil filling device 10 does not need to be connected with an external power supply, so that the maneuverability is stronger, and the application scene is more. In some embodiments, the control box 115 comprises an explosion proof control box, which is more secure.

In some embodiments, the control box 115 is disposed side-by-side with the fixed bracket 318 along the second direction Y and is staggered from the oil drum support 201 in the second direction Y. The control box 115, the fixing bracket 318, and the oil drum supporting portion 201 are disposed on the tray frame 200, and occupy a certain space, if the structure is not compact, the volume of the oil filling device 10 is large, so that the occupied area of the oil filling device 10 is large, and the use is limited. Accordingly, to ensure that tray frame 200 and thus also oil and fuel filling apparatus 10 are smaller, the layout is more compact, with control box 115 and mounting bracket 318 being arranged side-by-side in second direction Y.

In some embodiments, there is a gap between the control box 115 and the fixed bracket 318, and when the oil pump assembly 301 is not assembled to the marine oil drum 20, the pump rod 312 is inserted into the receiving tube 502 from one end of the receiving tube 502, and the other end of the receiving tube 502 extends between the control box 115 and the fixed bracket 318. The receiving tube 502 extends from the gap between the control box 115 and the fixed bracket 318, thus effectively utilizing the gap between the control box 115 and the fixed bracket 318. The second receiving end 504 of which is disposed toward the vehicle head 101. When the plug member 505 needs to be cleaned or cleaned, the carrier 100 can be separated from the tray frame 200, and the plug member 505 can be detached from the second receiving end 504, so that the operation of a worker is facilitated.

In some embodiments, the control box 115 includes an operation panel 116, and the operation panel 116 is disposed on a side of the second direction Y facing away from the oil drum supporting portion 201. The operation panel 116 is located on the same side of the receiving bracket 500 as the second direction Y of the tray frame 200. In some embodiments, the operation panel 116 includes an upper power take-off interface 117 and an oil pump power take-off interface 118, the upper power take-off interface 117 being electrically connected to the power output interface 106 in a pluggable manner. Through plug-in type electric connection, convenient dismantlement and connection. In some embodiments, the on-board access interface 117 comprises an explosion-proof plug. In some embodiments, the power output interface 106 comprises an explosion-proof socket. Through setting up explosion-proof plug and explosion-proof socket plug connection, the security is stronger.

In some embodiments, the on-load electrical interface 117 is disposed proximate the first side X1 relative to the second side X2. Such closer to the power output interface 106, the length of the connection line of the control box 115 to the battery 801 can be reduced. The oil pumping electric interface 118 is disposed proximate to the second side X2 relative to the first side X1. Such closer proximity to the oil pump assembly 301 may reduce the length of the connecting lines of the oil pump assembly 301 to the inverter 804, resulting in a compact and compact avionics device 10.

In some embodiments, the oil pump assembly 301 includes a power input interface 330 (shown in fig. 3), the power input interface 330 being removably electrically connected to the oil pumping electrical interface 118. Through plug-in type electric connection, convenient dismantlement and connection. In some embodiments, the power input interface 330 includes an explosion-proof plug. In some embodiments, oil pumping electrical interface 118 comprises an explosion-proof socket. Through setting up explosion-proof plug and explosion-proof socket plug connection, the security is stronger.

In some embodiments, the operator panel 116 also includes a wireless remote control switch 119. The wireless remote control switch 119 can realize stopping of the emergency control oil pump 310. The control box 115 includes a remote control indicator 120 electrically connected to a wireless remote control switch 119, and the wireless remote control switch 119 is electrically connected to a battery 801. The battery 801 may power the wireless remote control switch 119. A remote control light 120 is located on the top surface of the control box 115. By means of the arrangement, the remote control indicator lamp 120 is located at a position which is easy to see, and workers can be conveniently prompted.

In some embodiments, the operation panel 116 further includes a start switch 121 and a power-on indicator 122, the start switch 121 is disposed near the vehicle head 101 relative to the power-on indicator 122, and the start switch 121 and the power-on indicator 122 are electrically connected to the inverter 804. The start switch 121 is used to control the on/off state between the inverter 804 and the oil pump assembly 301. The power-on indicator 122 is used for indicating the working state of the start switch 121. When the start switch 121 is turned on, the inverter 804 is turned on with the oil pump assembly 301, and the power-on indicator lamp 122 is turned on at this time to indicate that the start switch 121 is in an on state. When the start switch 121 is turned off, the inverter 804 is disconnected from the oil pump assembly 301, and the power-on indicator lamp 122 is turned off at this time to indicate that the start switch 121 is in the off state.

In some embodiments, the control box 115 includes an emergency shutdown function. Before the operation, the emergency stop pump function of the control box 115 needs to be detected. Specifically, after the upper power-taking interface 117 is connected, the power supply main switch 107 is turned on, the wireless remote control switch 119 is turned on, the start switch 121 (more than about 3 seconds) on the control panel 116 of the control box 115 is turned on, and the power-on indicator 122 on the control panel 116 of the control box 115 is turned on, so that the oil pump power-taking interface 118 supplies power normally. Then, when the wireless remote control switch 119 is pressed to be turned off, the control panel 116 of the control box 115 is powered on to turn off the indicator lamp 122, and the oil pumping electric interface 118 is powered off, so that the emergency stop pump function of the control box 115 is normal. Such a test ensures that the control box 115 can achieve an emergency stop of the pump when an emergency occurs, thereby improving safety.

Also, in the event of an emergency, the emergency specific steps include first turning off the wireless remote control switch 119, stopping the operation of the oil pump 310, then retracting the fueling coil 308, turning off the switch of the oil pump 310, then retracting the conductive wire coil 322, confirming that the support foot 203 of the tray frame 200 is raised above the minimum safe height specified by the fueling field, then towing the avionics fueling device 10 away from the hazardous area, and finally turning off the main power switch 107 of the avionics fueling device 10. With this arrangement, the safety of the crew and the oil filling device 10 can be improved in the event of an emergency.

Before the whole aviation oil filling device 10 is towed, the power-on indicator lamp 122 of the control panel 116 of the control box 115 is confirmed to be turned off, and the supporting feet 203 of the tray frame 200 are lifted to be above the minimum safety height specified by the oil filling site. Before the truck 100 is separated from the tray frame 200, it should be noted that the control box 115 is disconnected from the electric connection with the truck head 101 of the truck 100, and the truck 100 is lowered to the lowest position. The above considerations may ensure safe use of the fuel filler device 10.

In some embodiments, the tray frame 200 is further provided with a safety index plate 207 distributed with the oil drum support 201 in the second direction Y. The security marking board 207 is used to mark security information to meet security standards.

Referring to fig. 28, the avionics fueling device 10 further includes an oil pump power circuit 800, the oil pump power circuit 800 being electrically connected to the oil pump assembly 301. In some embodiments, the oil pump power supply circuit 800 includes a rechargeable battery 801, a power conversion circuit 802, and a switch control circuit 803. The battery 801 may provide direct current, and the power conversion circuit 802 may convert the direct current output by the battery 801 into alternating current to power the oil pump assembly 301. In this process, the on-off between the power conversion circuit 802 and the oil pump assembly 301 may be controlled by the switch control circuit 803. It should be noted that, to supply power to the oil pump assembly 301 refers to supplying power to the motor 311 in the above embodiment. When the motor 311 is energized, the oil pump 310 may be driven to operate to effect a fueling operation.

In some embodiments, the power conversion circuit 802 comprises an inverter 804, the inverter 804 is electrically connected with the storage battery 801 and the oil pump assembly 301 respectively, the inverter 804 converts direct current output by the storage battery 801 into alternating current and outputs the alternating current to power the oil pump assembly 301, the switch control circuit 803 comprises a control switch 805, the control switch 805 is electrically connected between the storage battery 801 and the inverter 804, and the control switch 805 is used for controlling on-off between the inverter 804 and the storage battery 801. The rechargeable battery 801 provided with the oil pump power supply circuit 800 provides direct current, the inverter 804 converts the direct current output by the battery 801 into alternating current and outputs the alternating current to supply power to the oil pump assembly 301, and the control switch 805 of the switch control circuit 803 controls the on-off between the inverter 804 and the battery 801. With this arrangement, the normal operation of the aviation oil filling device 10 can be ensured, and the on-off between the inverter 804 and the storage battery 801 can be turned off in time through the control switch 805 when an emergency occurs.

In some embodiments, control switch 805 comprises a mechanical switch. The mechanical switch can be arranged on the control box 115, so that the operation of workers is convenient. When the staff assists in working, the on-off between the inverter 804 and the storage battery 801 can be controlled by operating the mechanical switch, and the method is safe and reliable. The mechanical switch may be the power supply main switch 107 in the above embodiment, and is disposed on the top surface of the power supply device 104.

In the embodiment shown in fig. 29, the control switch 805 comprises an electromagnetic switch, the switch control circuit 803 further comprises a remote controller 806 and a remote control circuit 807 in communication with the remote controller 806, the remote control circuit 807 is electrically connected to the electromagnetic switch, and the remote control circuit 807 controls the on/off of the electromagnetic switch according to a control instruction of the remote controller 806. By arranging the electromagnetic switch, the electromagnetic switch can be turned off in time through remote control of the remote controller 806, so that the safety is stronger. In some embodiments, the electromagnetic switch includes a relay that is highly sensitive and can be turned off in time.

In some embodiments, remote control 806 includes a transmitter 808, and remote control circuitry 807 includes a receiver 809 and a controller 810 in electrical communication with receiver 809. The receiver 809 is in communication with the transmitter 808, the receiver 809 is configured to receive a signal from the transmitter 808 and output a corresponding electrical signal, the controller 810 includes a first control port 8101, and is electrically connected to the electromagnetic switch, and the controller 810 controls on/off of the electromagnetic switch through the first control port 8101 according to the electrical signal output by the receiver 809. In some embodiments, the receiver 809 receives a signal from the transmitter 808 that may indicate on or off, and outputs a corresponding electrical signal indicating on or off, at which point the controller 810 controls the electromagnetic switch to be on or off via the first control port 8101. Compared with a mechanical switch, the mode can remotely control the working state of the oil pump assembly 301, the operation of a worker is not needed, and the oil pump assembly is more convenient to use and can save manpower.

In some embodiments, the transmitter 808 comprises an infrared transmitter and the receiver 809 comprises an infrared receiver. The infrared transmitter and the infrared receiver can be used for communication, and can be remotely controlled without being limited by regions or distances.

In some embodiments, the remote control circuit 807 further includes a remote control indicator light 120, the remote control indicator light 120 being electrically connected to the controller 810, the controller 810 including a second control port 8102 electrically connected to the remote control indicator light 120, the controller 810 controlling the remote control indicator light 120 via the second control port 8102 in accordance with an electrical signal output from the receiver 809 to indicate a receiving state of the receiver 809. The controller 810 may receive the signal transmitted from the transmitter 808 when the receiver 809 receives the signal and outputs a corresponding electrical signal, and the controller 810 may control the remote control indicator light 120 to indicate the receiving state of the receiver 809. So arranged, the worker can be conveniently prompted, the worker is prevented from operating repeatedly, and the transmission and reception states between the transmitter 808 and the receiver 809 can be observed in this manner.

In some embodiments, the oil pump power supply circuit 800 further includes a start switch 121 electrically connected between the inverter 804 and the oil pump assembly 301, and the start switch 121 is used to control the on/off between the inverter 804 and the oil pump assembly 301. In some embodiments, the oil pump power supply circuit 800 further includes a power-on indicator 122 electrically connected between the start switch 121 and the oil pump assembly 301, wherein the power-on indicator 122 is used for indicating the on-off state of the oil pump assembly 301 and the inverter 804. It should be noted that, the storage battery 801, the inverter 804, the remote control indicator lamp 120, the start switch 121, and the power-on indicator lamp 122 included in the oil pump power supply circuit 800 may be the storage battery 801, the inverter 804, the remote control indicator lamp 120, the start switch 121, and the power-on indicator lamp 122 in the embodiments shown in fig. 1 to 26, which are specifically referred to the embodiments and will not be repeated herein.

Referring to the embodiment shown in fig. 30 and 31, similar to the embodiment shown in fig. 23 to 26, the main difference is that the anti-toppling stopper 900 includes a plurality of anti-toppling plates 903 having an arc shape, and the plurality of anti-toppling plates 903 are spaced apart from the edge of the oil drum supporting portion 201. Compared with the anti-toppling column 603, the anti-toppling plate 903 has larger surface area, and has larger contact area with the aviation oil tank 20 when the aviation oil tank 20 topples over, so that the anti-toppling effect is better. The area of the top of the arc-shaped anti-toppling plate 903 is larger than the area of the top of the anti-toppling column 603, so that the contact area with the bottom wall of the aviation oil barrel 20 is larger when the aviation oil barrel 20 is assembled and disassembled, the supporting force can be provided more uniformly, the aviation oil barrel 20 is not easy to reverse when the aviation oil barrel 20 is assembled or disassembled, and the bottom of the aviation oil barrel 20 is not easy to damage due to the large volume and the large weight of the aviation oil barrel 20.

In the embodiment shown in fig. 30, the distance L6 between two adjacent anti-toppling plates 903 is 50mm to 70mm. In some embodiments, the distance L6 between two adjacent anti-toppling plates 903 may be 50mm or 55mm or 60mm or 65mm or 70mm, with a preferred value of 60mm. In the embodiment shown in fig. 31, the thickness L7 of the stopper body 901 of the anti-toppling plate 903 ranges from 20mm to 30mm. In some embodiments, the thickness L7 of the stop body 901 of the anti-toppling plate 903 may be 20mm or 25mm or 30mm, with a preferred value of 25mm. In some embodiments, the ratio of the thickness of the stop body 901 of the anti-toppling plate 903 to the thickness of the oil drum 20 is 15-20, which is preferably 16.7. In some embodiments, the thickness L8 of the protective layer 902 of the anti-toppling plate 903 at the top wall of the stopper body 901 ranges from 5mm to 15mm. In some embodiments, the thickness L8 of the protective layer 902 at the top wall of the stopper body 901 may be 5mm or 7mm or 9mm or 11mm or 13mm or 15mm, which preferably has a value of 10mm. In some embodiments, the thickness L9 of the protective layer 902 of the anti-toppling plate 903 at the peripheral wall of the stopper body 901 ranges from 1mm to 5mm. The thickness L9 of the protective layer 902 at the peripheral wall of the stopper main body 901 may be 1mm or 2mm or 3mm or 4mm or 5mm, which is preferably 3mm. In some embodiments, the top of the protective layer 902 is provided with a second protective layer chamfer 908, the second protective layer chamfer 908 being inclined from top to bottom from the outer side wall to the inner side wall of the anti-toppling plate 903, the second protective layer chamfer 908 being inclined at an angle of less than 45 ° to the vertical. In some embodiments, a plurality of anti-toppling plates 903 are welded to the upper surface of the tray frame 200.

Referring to the embodiment shown in fig. 32, similar to the embodiment shown in fig. 30, the main difference is that the anti-toppling stopper 1000 includes an anti-toppling ring 1003 having a ring shape, and the anti-toppling ring 1003 surrounds an oil drum support (not shown). The anti-tip ring 1003 is easier to assemble than a plurality of anti-tip plates 903 that are arcuate. The surface area is larger, and the contact area with the aviation oil drum 20 is large when the aviation oil drum 20 is dumped, so that the anti-dumping effect is better, the supporting force is more uniform, and the aviation oil drum 20 is not easy to reverse when being assembled or disassembled.

In some embodiments, the anti-toppling ring 1003 is welded to the upper surface of the tray frame 200. In some embodiments, the top of the guard layer is provided with a third guard layer chamfer 1008, the third guard layer chamfer 1008 being inclined from top to bottom from the outer side wall to the inner side wall of the anti-toppling ring 1003, the third guard layer chamfer 1008 being inclined at an angle of less than 45 ° to the vertical.

Referring to the embodiment shown in fig. 33, similar to the embodiment shown in fig. 1 to 5, the main difference is that the oil drum supporting part 201 is disposed close to the first side X1 with respect to the second side X2. By the arrangement, the gravity center of the whole aviation oil filling device 10 is close to the locomotive 101, and stability is better during movement.

The technical schemes disclosed by the embodiments of the application can be mutually complemented under the condition of no conflict.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the application.

Claims

1. An avionics oil filling apparatus, comprising:

The tray framework is used for bearing the aviation oil tank;

When the oil pump assembly is assembled in the aviation oil tank, the pump rod is inserted from the fixed seat and extends into the aviation oil tank, and the bottom of the supporting seat is abutted against the top of the fixed seat; when the oil pump assembly is not assembled on the aviation oil tank, the sealing cover is assembled on the top of the fixing seat to seal an oil outlet of the aviation oil tank;

the fixing seat comprises a first fixing part and a second fixing part connected with the first fixing part, the second fixing part extends downwards along the bottom of the first fixing part, the first fixing part comprises a first channel which is vertically penetrated, the second fixing part comprises a second channel which is vertically penetrated, and the second channel is communicated with the first channel and forms a downward step with the first channel;

A groove is arranged between the first fixing part and the second fixing part, and is recessed inwards from the inner peripheral wall of the fixing seat and communicated with the first channel and the second channel; the oil outlet of the aviation oil tank is clamped in the second channel, the edge of the oil outlet of the aviation oil tank is in limit fit with the groove, and the top of the oil outlet of the aviation oil tank is abutted against the step;

The groove is provided with a first chamfer corresponding to one side of the first channel, which is close to the second channel, and the first chamfer is inclined from top to bottom in the direction from the outer side wall to the inner side wall of the fixing seat.

2. The apparatus for fueling aviation oil as set forth in claim 1, wherein,

The inner wall of the first channel extends inwards to form the step with the groove, and/or

The maximum pore diameter of the second channel is larger than the maximum pore diameter of the first channel.

3. The avionics refueling device according to claim 1, wherein the outer peripheral wall of the holder is provided with a plurality of flanges extending obliquely in the circumferential direction of the holder, wherein the upper edges of the flanges are located in the first fixing portion and the lower edges of the flanges are located in the second fixing portion;

the sealing cover comprises a cover body and a plurality of earrings, wherein the earrings extend from top to bottom from the edge of the cover body, one end, far away from the cover body, of each earring is bent inwards, and when the oil pump assembly is not assembled in the oil tank, the sealing cover is covered on the fixing seat through limit fit between the flanges and the earrings.

4. An avionics oil filling apparatus as claimed in claim 3, wherein the horizontal separation distance between adjacent flanges is at least greater than the largest dimension of the ear clip in the horizontal direction, and/or

5. The aviation oil filling device according to claim 3, wherein a plurality of limiting ribs are further arranged on the peripheral wall of the fixing base, extend along the axial direction of the fixing base and are located above the flange, the inner wall of the cover body is provided with a containing groove, and the limiting ribs are in limiting fit with the containing groove when the sealing cover is assembled on the fixing base.

6. The avionics oil refueling device according to claim 5, wherein a buffer groove is arranged in the cover body, and the buffer groove is arranged at the top of the cover body and communicated with the accommodating groove;

The inner wall of the cover body is convexly provided with a limiting block and is arranged between the buffer groove and the accommodating groove, the outer peripheral wall of the fixing seat is provided with a second chamfer angle which is inclined from top to bottom in the direction from the inner side wall to the outer side wall of the fixing seat, and when the sealing cover is assembled on the fixing seat, the second chamfer angle is abutted against the inner wall of the limiting block and/or

The plurality of limit ribs are arranged at intervals along the circumferential direction of the fixing seat.

7. An avionics oil filling device as claimed in claim 3, characterized in that the edge of the support base is provided with a locking element which is movable in the axial direction of the support base, the locking element being operated in the axial direction of the support base from below to above when the support base is assembled to the fixing base, the support base being locked to the flange, the locking element being operated in the axial direction of the support base from above to below when the oil pump assembly is disassembled, the support base being unlocked from the flange.

8. The marine oil filling apparatus of claim 1, wherein the oil pump includes a vane disposed within the pump stem and positioned at the oil inlet end, the pump stem extending into the marine oil tank when the oil pump assembly is assembled to the marine oil tank such that the vane is submerged in oil within the marine oil tank.

9. The apparatus of claim 1, wherein the apparatus comprises a fire-resistant vent valve assembled to an air inlet of the barrel, the barrel being in communication with the exterior through the valve, and/or

The oil pump and the motor are assembled through a quick-dismantling structure, and/or

The oil pump comprises an explosion-proof oil pump, and/or

The motor includes an explosion-proof motor.