A transfer device for aircraft lubricating oil system

Abstract

The present invention relates to the field of aviation technology, specifically to a transfer device for an aircraft lubricating oil system, comprising a mounting seat, a stand fixed on the mounting seat, a filter box and a heat sink, wherein a pump wheel 1 is fixed on the filter box, a cantilever is fixed on the stand, a pump wheel 2 is fixed on the cantilever, a shaft rod is connected to the heat sink for fixed axis rotation, the upper end of the shaft rod is vertical and fixedly connected to one end of a swing rod, the pump wheel 1, the pump wheel 2, the filter box and the heat sink are connected through pipelines, a filter purification mechanism is arranged in the filter box, a heat dissipation structure is arranged on the heat sink, a circulation mechanism is arranged on the stand, the pump wheel 1 and the pump wheel 2 are connected through a sprocket assembly, the pump wheel 2 is connected to the filter purification mechanism, the sprocket assembly is connected to the swing rod, and the circulation mechanism is connected through the swing rod. The transfer device for an aircraft lubricating oil system can remove impurities in the lubricating oil and cool it down, thereby improving the service life and working reliability and stability of each component.

Description

Technical Field

[0001] The invention relates to the field of aviation technology, in particular to a transfer device for an aircraft lubricating oil system. Background Art

[0002] The lubricating oil system used in aircraft is used to supply lubricating oil to the moving parts of aircraft engines, reduce friction between moving parts, reduce wear, and take away the heat generated by friction. The work of the lubricating oil system is that the lubricating oil circulates continuously along a closed loop. During the operation of the lubricating oil system, it will not only take away the friction heat of the contact parts, but also carry away the inclusions generated between the relative moving surfaces of the parts, such as iron filings generated by friction, impurities in the oil circuit, etc. These inclusions accumulate in the oil circuit, causing the oil circuit to be blocked and the lubricating oil to be poorly transported, thereby reducing its function. Moreover, the inclusions will aggravate the wear of the parts after flowing back between the relative moving surfaces of the parts. In view of this, we propose a transfer device for the aircraft lubricating oil system. Summary of the invention

[0003] The purpose of the present invention is to provide a transfer device for an aircraft lubricating oil system to solve the problems raised in the above background technology. To achieve the above purpose, the present invention provides the following technical solutions: a transfer device for an aircraft lubricating oil system, including a mounting seat, a stand fixed on the mounting seat, a filter box and a heat sink, a pump wheel 1 is fixed on the filter box, a cantilever is fixed on the stand, and a pump wheel 2 is fixed on the cantilever, a shaft rod is connected to the fixed axis rotation in the heat sink, and the upper end of the shaft rod is vertically and fixedly connected to one end of a swing rod, and the pump wheel 1, the pump wheel 2, the filter box and the heat sink are connected by pipelines;

[0004] A filtering and purifying mechanism is arranged in the filter box, a heat dissipation structure is arranged on the heat dissipation box, a circulation mechanism is arranged on the stand, pump wheel one and pump wheel two are transmission connected through a sprocket assembly, pump wheel two is transmission connected to the filtering and purifying mechanism, the sprocket assembly is transmission connected to the rocker rod, and is transmission connected to the circulation mechanism through the rocker rod.

[0005] Preferably, the sprocket assembly includes sprocket one and sprocket two, sprocket one and sprocket two are connected by chain transmission, the upper end of the impeller shaft in pump wheel one is coaxially fixedly connected with the sprocket, the upper end of the impeller shaft in pump wheel two is coaxially fixedly connected with sprocket two, sprocket one is connected to the motor transmission, and the motor is fixed on the filter box.

[0006] Preferably, the filtering and purification mechanism includes a filter cartridge placed horizontally inside the filter box, fixed on the side wall of the pump wheel and connected to an oil pipe, and the inlet end of the oil pipe is connected to the circuit of the lubricating oil system, and the outlet end is connected to the interior of one end of the filter cartridge, and the other end of the filter cartridge is connected to a sewage collection pipe on the side wall, and the sewage collection pipe is located on the outside of the filter box and is fixed to the bottom of the filter box in a detachable fixed connection manner.

[0007] Preferably, a magnetic rod is provided in the filter cartridge, and both ends of the magnetic rod are fixed on the inner wall of the filter box, the magnetic rod is arranged parallel to the central axis of the filter cartridge, a scraper ring is sleeved on the magnetic rod and slidably connected, and the scraper ring passes through and is fixedly connected to the circular plate.

[0008] Preferably, the lower end of the impeller shaft in the second pump wheel is coaxially fixedly connected to the turntable, and a pin is hinged at a position on the bottom surface of the turntable away from the center of the circle. A push-pull rod passes through and is slidably connected to the side wall of the filter box, and one end of the push-pull rod is vertically and fixedly connected to the circular plate, and the other end is fixedly connected to the slide, the pin is inserted into and slidably connected to the slide, and the side wall of the second pump wheel is fixed and connected to the oil pipe two, and the inlet end of the oil pipe two is connected to the bottom of the heat sink, and the outlet end is connected to the circuit of the lubricating oil system.

[0009] Preferably, a twisted rod is provided in the filter cartridge, and both ends of the twisted rod are fixed on the inner wall of the filter box, the twisted rod is arranged parallel to the central axis of the filter cartridge, a shaft sleeve is passed through the circular plate and rotatably connected to the circular plate, and one end of the shaft sleeve is coaxially and fixedly connected to gear one, the twisted rod passes through the shaft sleeve and passes through the center of gear one, and gear one is slidingly connected to the twisted rod in a matching manner, gear two and a gear ring are rotatably connected to the circular plate, gear two is meshingly connected to gear one and the gear ring at the same time, and a plurality of brushes are fixed on the outer periphery of the gear ring at equal intervals along the circumferential direction.

[0010] Preferably, a slider is hinged on the chain, a strip-shaped through hole is opened on the rocker arm, the slider is located in the strip-shaped through hole, and the slider slides in the strip-shaped through hole, and the pump wheel 2 is located between the heat sink and the pump wheel 1.

[0011] Preferably, the heat dissipation structure includes a plurality of conical covers 1 fixed on the inner wall of the heat dissipation box, and the upper surface of the conical cover 1 is sunken and open in the middle, the plurality of conical covers 1 are arranged at equal intervals up and down, a plurality of conical covers 2 are fixed on a section of the shaft located inside the heat dissipation box, and the plurality of conical covers 2 correspond to the plurality of conical covers 1 and are cross-arranged, a plurality of heat dissipation ring plates corresponding to the conical covers 1 are fixed on the outer peripheral wall of the heat dissipation box, a nozzle 1 is fixed on the top wall of the heat dissipation box, and the bottom of the filter box is connected to the nozzle 1 through an oil pipe 3.

[0012] Preferably, the circulation mechanism includes a pump barrel, one end of which is hinged on the stand, a piston plate is slidably connected inside the pump barrel, a connecting rod is hinged on the rocker arm, and an end of the connecting rod away from the rocker arm passes through the end wall of the pump barrel and is fixedly connected to the piston plate.

[0013] Preferably, one-way valve 1 and one-way valve 2 are fixed and connected on the side wall of the pump barrel, one-way valve 1 is connected to the bottom of the heat sink through oil pipe 4, multiple nozzles 2 are fixed on the peripheral wall of the heat sink, one-way valve 2 is connected to each nozzle 2 through oil pipe 5, the conduction direction of one-way valve 1 points to the inside of the pump barrel, and the conduction direction of one-way valve 2 points to nozzle 2.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In the present invention, the circulation flow pressure of the lubricating oil is increased by setting up the pump impeller 1 and the pump impeller 2, thereby ensuring the smooth flow of the lubricating oil, and the filtering and purification mechanism in the filter box is used to remove the inclusions in the lubricating oil, thereby increasing the service life of each component, and the filtering and purification mechanism itself can be automatically cleaned to improve the filtering effect and ensure that the lubricating oil path is unobstructed.

[0016] In the present invention, a heat sink is provided to quickly cool down the filtered and purified lubricating oil, thereby maintaining the effective function of the lubricating oil and improving the service life and working reliability and stability of various components. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the general assembly cross-sectional structure of the present invention;

[0018] Figure 2 It is a top view of the chain, pump barrel and rocker structure in the present invention;

[0019] Figure 3 A bottom view of the turntable and the carriage structure of the present invention;

[0020] Figure 4 for Figure 1 A is an enlarged structural diagram;

[0021] Figure 5 It is a side view of the circular plate and gear ring structure in the present invention.

[0022] In the figure: 1, mounting base; 2, filter box; 3, filter cartridge; 4, sewage collecting pipe; 5, pump wheel 1; 6, sprocket wheel 1; 7, oil pipe 1; 8, stand; 9, cantilever; 10, pump wheel 2; 11, sprocket wheel 2; 12, chain; 13, swing rod; 14, slider; 15, oil pipe 2; 16, turntable; 17, slide; 18, pin rod; 19, push-pull rod; 20, oil pipe 3; 21, heat sink; 22, cone cover 1; 23, cone Cover 2; 24, heat dissipation ring plate; 25, nozzle 1; 26, shaft rod; 27, nozzle 2; 28, pump barrel; 29, oil pipe 4; 30, piston plate; 31, connecting rod; 32, one-way valve 1; 33, one-way valve 2; 34, oil pipe 5; 35, magnetic rod; 36, round plate; 37, scraper ring; 38, gear 1; 39, twisted rod; 40, gear ring; 41, brush; 42, gear 2; 43, shaft sleeve; 44, strip through hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figures 1 to 5 The present invention provides a technical solution: a transfer device for an aircraft lubricating oil system, comprising a mounting seat 1, a stand 8, a filter box 2 and a heat sink 21 fixed on the mounting seat 1, a pump wheel 1 5 is fixed on the filter box 2, a cantilever 9 is fixed on the stand 8, and a pump wheel 2 10 is fixed on the cantilever 9, a shaft rod 26 is connected to the heat sink 21 for fixed axis rotation, and the upper end of the shaft rod 26 is vertically and fixedly connected to one end of a swing rod 13, and the pump wheel 1 5, the pump wheel 2 10, the filter box 2 and the heat sink 21 are connected by pipelines;

[0025] A filtering and purifying mechanism is arranged in the filter box 2, a heat dissipation structure is arranged on the heat dissipation box 21, a circulation mechanism is arranged on the stand 8, the pump wheel 1 5 and the pump wheel 2 10 are connected by a sprocket assembly, and the pump wheel 2 10 is connected by a sprocket assembly to the filtering and purifying mechanism, the sprocket assembly is connected by a rocker rod 13, and is connected by a sprocket rod 13 to the circulation mechanism.

[0026] In this embodiment, the sprocket assembly includes sprocket one 6 and sprocket two 11, sprocket one 6 and sprocket two 11 are connected by chain 12, the upper end of the impeller shaft in pump wheel one 5 is coaxially fixedly connected to sprocket one 6, the upper end of the impeller shaft in pump wheel two 10 is coaxially fixedly connected to sprocket two 11, sprocket one 6 is connected to the motor, and the motor is fixed on the filter box 2. The motor is not drawn in this application.

[0027] In this embodiment, the filtering and purification mechanism includes a filter cartridge 3 placed horizontally inside the filter box 2, an oil pipe 7 fixed on the side wall of the pump wheel 5 and connected to it, and the inlet end of the oil pipe 7 is connected to the circuit of the lubricating oil system, and the outlet end is connected to the interior of one end of the filter cartridge 3, and the other end of the filter cartridge 3 is connected to the side wall of the filter box 3. The sewage collecting pipe 4 is located on the outside of the filter box 2 and is fixed to the bottom of the filter box 2 in a detachable fixed connection manner.

[0028] In this embodiment, a magnetic rod 35 is provided in the filter cartridge 3, and both ends of the magnetic rod 35 are fixed on the inner wall of the filter box 2, the magnetic rod 35 is arranged parallel to the central axis of the filter cartridge 3, a scraper ring 37 is sleeved on the magnetic rod 35 and slidably connected, and the scraper ring 37 passes through and is fixedly connected to the circular plate 36, the lower end of the impeller shaft in the pump wheel 10 is coaxially fixedly connected to the turntable 16, the bottom surface of the turntable 16 is hinged with a pin 18 at a position away from the center of the circle, the side wall of the filter box 2 passes through and is slidably connected to the push-pull rod 19, one end of the push-pull rod 19 is vertically and fixedly connected to the circular plate 36, and the other end is fixedly connected to the slide 17, the pin 18 is inserted and slidably connected to the slide 17, the side wall of the pump wheel 10 is fixed and connected to the oil pipe 15, and the oil pipe 15 The inlet end is connected to the bottom of the heat dissipation box 21, and the outlet end is connected to the circuit of the lubricating oil system. A twisted rod 39 is arranged in the filter cartridge 3, and the two ends of the twisted rod 39 are fixed on the inner wall of the filter box 2. The twisted rod 39 is arranged parallel to the central axis of the filter cartridge 3. The circular plate 36 passes through and is connected to the shaft sleeve 43 for fixed axis rotation, and one end of the shaft sleeve 43 is coaxially and fixedly connected to the gear 1 38. The twisted rod 39 passes through the shaft sleeve 43 and passes through the center of the gear 1 38, and the gear 1 38 is slidingly connected to the twisted rod 39 in a matching manner. The circular plate 36 is connected to the fixed axis rotation with the gear 2 42 and the ring gear 40. The gear 2 42 is meshed with the gear 1 38 and the ring gear 40 at the same time. A plurality of brushes 41 are fixed on the outer periphery of the ring gear 40 at equal intervals along the circumferential direction.

[0029] In this embodiment, a slider 14 is hinged on the chain 12, a strip-shaped through hole 44 is opened on the rocker arm 13, the slider 14 is located in the strip-shaped through hole 44, and the slider 14 slides in the strip-shaped through hole 44, and the pump wheel 2 10 is located between the heat sink 21 and the pump wheel 1 5.

[0030] In this embodiment, the heat dissipation structure includes a plurality of conical covers 22 fixed on the inner wall of the heat dissipation box 21, and the upper surface of the conical covers 22 is sunken and opened in the middle, and the plurality of conical covers 22 are arranged at equal intervals up and down, and a section of the shaft 26 located inside the heat dissipation box 21 is fixed with a plurality of conical covers 23, and the plurality of conical covers 23 correspond to the plurality of conical covers 22 and are arranged crosswise, and a plurality of heat dissipation ring plates 24 corresponding to the conical covers 22 are fixed on the outer peripheral wall of the heat dissipation box 21, a nozzle 25 is fixed on the top wall of the heat dissipation box 21, and the bottom of the filter box 2 is connected to the nozzle 25 through the oil pipe 3 20.

[0031] In this embodiment, the circulation mechanism includes a pump barrel 28, one end of the pump barrel 28 is hinged on the stand 8, the pump barrel 28 is slidably connected to the piston plate 30, the connecting rod 31 is hinged on the rocker arm 13, and the end of the connecting rod 31 away from the rocker arm 13 passes through the end wall of the pump barrel 28 and is fixedly connected to the piston plate 30, a one-way valve 1 32 and a one-way valve 2 33 are fixed and connected on the side wall of the pump barrel 28, the one-way valve 1 32 is connected to the bottom of the heat sink 21 through an oil pipe 4 29, a plurality of nozzles 27 are fixed on the peripheral wall of the heat sink 21, the one-way valve 2 33 is connected to each nozzle 2 27 through an oil pipe 5 34, the conduction direction of the one-way valve 1 32 points to the inside of the pump barrel 28, and the conduction direction of the one-way valve 2 33 points to the nozzle 2 27.

[0032] Working principle and advantages of the present invention: When the transfer device for the aircraft lubricating oil system is in use, the working process is as follows:

[0033] like Figure 1 As shown, the motor is started, so that the motor drives the sprocket 1 6 to rotate, thereby the sprocket 1 6 drives the sprocket 2 11 to rotate through the chain 12, and the rotation of the sprocket 1 6 and the sprocket 2 11 synchronously drives the corresponding impeller shafts inside the pump wheel 1 5 and the pump wheel 2 10 to rotate, so that the pump wheel 1 5 extracts the high-temperature lubricating oil in the lubricating oil circuit through the oil pipe 1 7 and transports it to the filter cartridge 3 to filter out the inclusions, and the filtered high-temperature lubricating oil enters the upper part of the heat sink 21 through the oil pipe 3 20 and the nozzle 1 25, so that the high-temperature lubricating oil passes through the multiple conical covers 23 and the multiple conical covers 1 22 for heat conduction and cooling, and then the pump wheel 2 10 transports the cooled lubricating oil to the lubricating oil circuit through the oil pipe 2 15, so as to form a cycle, realize the filtering and purification of the lubricating oil, and the cooling and temperature reduction treatment, so as to maintain the effective effect of the lubricating oil, improve the service life of each component and the reliable stability of operation, and increase the circulating flow pressure of the lubricating oil by arranging the pump wheel 1 5 and the pump wheel 2 10, so as to ensure the smooth flow of the lubricating oil.

[0034] As mentioned above, the magnetic rod 35 provided in the filter cartridge 3 helps to absorb the wear products such as iron filings in the lubricating oil, and the oil pipe 7 is connected to one end of the filter cartridge 3 and the other end is connected to the sewage collecting pipe 4, which helps to collect the inclusions and the like in the sewage collecting pipe 4 along with the liquid flow. Figure 3 , Figure 4 and Figure 5As shown, the impeller shaft in the pump wheel 10 rotates synchronously to drive the turntable 16 to rotate, so that the turntable 16 drives the slide 17 through the pin rod 18 and then the push-pull rod 19 to move back and forth, so that the push-pull rod 19 drives the circular plate 36 to move back and forth on the magnetic rod 35, so that the scraper ring 37 is used to scrape off the iron filings and the like adsorbed on the magnetic rod 35 to avoid aggregation, and maintain the adsorption effect of the magnetic rod 35, and when the circular plate moves, it drives the gear 1 38 to move synchronously on the twisted rod 39, so that the twisted rod 39 The gear 1 38 is driven to rotate under the action of the gear 1 38, and then the gear 1 38 drives the ring gear 40 to rotate through the gear 2 42, so that the ring gear 40 drives the brush 41 to clean the inner wall of the filter cartridge 3 in real time, thereby avoiding clogging of the filter cartridge 3, and the brush 41 plays a stirring role, so that the inclusions in the high-temperature lubricating oil can fully contact with the magnetic rod 35, thereby improving the filtering effect. The sewage collection pipe 4 is connected to the bottom of the filter box 2 in a detachable manner, which is convenient for replacing and cleaning the sewage collection pipe 4 filled with inclusions, and the operation is simple and convenient.

[0035] As mentioned above, the chain 12 drives the slider 14 to move synchronously while running, so that the slider 14 slides in the strip-shaped through hole 44, so that the slider 14 drives the rocker arm 13 and the shaft rod 26 to swing back and forth, and then the shaft rod 26 drives each conical cover 23 to rotate back and forth, and the high-temperature lubricating oil sprayed from the nozzle 1 25 is scattered on the conical cover 23, and then scattered to the conical cover 1 22, and dispersed and aggregated from top to bottom for many times, so as to fully dissipate heat and cool down, and the heat dissipation ring plate 24 accelerates the thermal conductivity and heat dissipation area, so that the lubricating oil can be cooled quickly, thereby improving the cooling effect.

[0036] like Figure 2 As shown, the rocker arm 13 swings back and forth and drives the piston plate 30 to slide back and forth in the pump barrel 28 through the connecting rod 31, so that the piston plate 30 alternately applies compression force and suction force to the pump barrel 28. When the piston plate 30 applies suction force to the pump barrel 28, since the conduction direction of the one-way valve 1 32 points to the inside of the pump barrel 28, and the conduction direction of the one-way valve 2 33 points to the nozzle 2 27, the suction force draws the lubricating oil at the bottom of the heat dissipation box 21 into the pump barrel 28 through the oil pipe 4 29. When the piston plate 30 applies compression force to the pump barrel 28, the compression force transports the lubricating oil in the pump barrel 28 through the oil pipe 5 34 to each nozzle 27, and then is sprayed toward each conical cover 23 by the nozzle 27, and is scattered by the conical cover 23, circulates and quickly dissipates heat, thereby improving the heat dissipation efficiency and effect.

[0037] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0038] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A transfer device for an aircraft lubricating oil system, comprising a mounting seat (1), characterized in that: It also includes a stand (8), a filter box (2) and a heat sink (21) fixed on the mounting seat (1); a pump wheel 1 (5) is fixed on the filter box (2); a cantilever (9) is fixed on the stand (8); a pump wheel 2 (10) is fixed on the cantilever (9); a shaft rod (26) is rotatably connected to a fixed axis in the heat sink (21); the upper end of the shaft rod (26) is vertically and fixedly connected to one end of a swing rod (13); the pump wheel 1 (5), the pump wheel 2 (10), the filter box (2) and the heat sink (21) are connected via pipelines; The filter box (2) is provided with a filter purification mechanism, the heat dissipation box (21) is provided with a heat dissipation structure, the stand (8) is provided with a circulation mechanism, the pump wheel 1 (5) and the pump wheel 2 (10) are transmission-connected via a sprocket assembly, and the pump wheel 2 (10) is transmission-connected to the filter purification mechanism, the sprocket assembly is transmission-connected to a swing rod (13), and is transmission-connected to the circulation mechanism via the swing rod (13); The heat dissipation structure comprises a plurality of conical covers (22) fixed on the inner wall of a heat dissipation box (21), wherein the upper surface of the conical covers (22) is sunken and the middle is open, the plurality of conical covers (22) are arranged at equal intervals up and down, a section of the shaft (26) located inside the heat dissipation box (21) is fixed with a plurality of conical covers (23), and the plurality of conical covers (23) correspond to the plurality of conical covers (22) and are arranged crosswise, a plurality of heat dissipation ring plates (24) corresponding to the conical covers (22) are fixed on the outer peripheral wall of the heat dissipation box (21), a nozzle (25) is fixed on the top wall of the heat dissipation box (21), and the bottom of the filter box (2) is connected to the nozzle (25) via an oil pipe (20); The circulation mechanism comprises a pump barrel (28), one end of the pump barrel (28) is hinged on the stand (8), a piston plate (30) is slidably connected inside the pump barrel (28), a connecting rod (31) is hinged on the swing rod (13), and an end of the connecting rod (31) away from the swing rod (13) penetrates the end wall of the pump barrel (28) and is fixedly connected to the piston plate (30); A one-way valve 1 (32) and a one-way valve 2 (33) are fixed on the side wall of the pump barrel (28) and are connected. The one-way valve 1 (32) is connected to the bottom of the heat sink (21) through an oil pipe 4 (29). A plurality of nozzles 2 (27) are fixed on the peripheral wall of the heat sink (21). The one-way valve 2 (33) is connected to each nozzle 2 (27) through an oil pipe 5 (34). The conduction direction of the one-way valve 1 (32) points to the inside of the pump barrel (28), and the conduction direction of the one-way valve 2 (33) points to the nozzle 2 (27).

2. A transfer device for an aircraft lubricating oil system according to claim 1, characterized in that: The sprocket assembly comprises a sprocket one (6) and a sprocket two (11), wherein the sprocket one (6) and the sprocket two (11) are connected in transmission via a chain (12), the upper end of the impeller shaft in the pump wheel one (5) is coaxially fixedly connected to the sprocket one (6), the upper end of the impeller shaft in the pump wheel two (10) is coaxially fixedly connected to the sprocket two (11), the sprocket one (6) is connected in transmission to a motor, and the motor is fixed on the filter box (2).

3. A transfer device for an aircraft lubricating oil system according to claim 2, characterized in that: The filtering and purification mechanism comprises a filter cartridge (3) placed horizontally inside the filter box (2); an oil pipe (7) is fixed on the side wall of the pump wheel (5) and connected to the pump wheel; the inlet end of the oil pipe (7) is connected to the circuit of the lubricating oil system; the outlet end is connected to the interior of one end of the filter cartridge (3); the other end of the filter cartridge (3) is connected to the side wall of the filter cartridge (3); the sewage collecting pipe (4) is located outside the filter box (2) and is fixed to the bottom of the filter box (2) in a detachable fixed connection manner.

4. The transfer device for an aircraft lubricating oil system according to claim 3, characterized in that: A magnetic rod (35) is arranged in the filter cartridge (3), and two ends of the magnetic rod (35) are fixed on the inner side wall of the filter box (2). The magnetic rod (35) is arranged parallel to the central axis of the filter cartridge (3). A scraper ring (37) is sleeved on the magnetic rod (35) and slidably connected thereto, and the scraper ring (37) passes through and is fixedly connected to the circular plate (36).

5. A transfer device for an aircraft lubricating oil system according to claim 4, characterized in that: The lower end of the impeller shaft in the second pump wheel (10) is coaxially fixedly connected to the turntable (16), and a pin rod (18) is hingedly connected to the bottom surface of the turntable (16) at a position away from the center of the circle. A push-pull rod (19) passes through and is slidably connected to the side wall of the filter box (2), and one end of the push-pull rod (19) is vertically and fixedly connected to the circular plate (36), and the other end is fixedly connected to the slide (17). The pin rod (18) is inserted into and slidably connected to the slide (17). The side wall of the second pump wheel (10) is fixed and connected to the second oil pipe (15), and the inlet end of the second oil pipe (15) is connected to the bottom of the heat dissipation box (21), and the outlet end is connected to the circuit of the lubricating oil system.

6. The transfer device for an aircraft lubricating oil system according to claim 4, characterized in that: A twisted rod (39) is arranged in the filter cartridge (3), and both ends of the twisted rod (39) are fixed on the inner side wall of the filter box (2). The twisted rod (39) is arranged parallel to the central axis of the filter cartridge (3). The circular plate (36) passes through and is connected to a shaft sleeve (43) for fixed axis rotation. One end of the shaft sleeve (43) is coaxially and fixedly connected to a gear one (38). The twisted rod (39) passes through the shaft sleeve (43) and passes through the center of the gear one (38). The gear one (38) is adaptively slidably connected to the twisted rod (39). The circular plate (36) is connected to a gear two (42) and a gear ring (40) for fixed axis rotation. The gear two (42) is meshed with the gear one (38) and the gear ring (40) at the same time. A plurality of brushes (41) are fixed at equal intervals on the outer periphery of the gear ring (40) along the circumferential direction.

7. The transfer device for an aircraft lubricating oil system according to claim 2, characterized in that: A slider (14) is hingedly connected to the chain (12), a strip-shaped through hole (44) is formed on the swing rod (13), the slider (14) is located in the strip-shaped through hole (44), and the slider (14) slides in the strip-shaped through hole (44), and the second pump wheel (10) is located between the heat sink (21) and the first pump wheel (5).

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