Aero-engine maintenance support

Abstract

The utility model discloses an aero-engine maintenance support which comprises a chassis, at least three universal wheels are arranged on the bottom face of the chassis, a bracket is arranged on the chassis, four supporting arms are arranged on the bracket, and each supporting arm comprises an installation part which is arranged on the top of the supporting arm and used for being installed with an aero-engine. And at least one supporting arm is provided with a position adjusting structure for adjusting the position of the mounting part. The bracket comprises side plates and a back plate which are perpendicular to each other, the number of the back plate is one, the number of the side plates is two, the supporting arms comprise two front supporting arms and two rear supporting arms, each side plate is provided with one front supporting arm, and the two rear supporting arms are arranged on the back plate. The maintenance support can adapt to engines with different models, sizes and gravity centers, and can adapt to different engines, so that maintenance supports with different models can be replaced, and the use space of an airport is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of aero-engine maintenance, and particularly relates to an aero-engine maintenance bracket. Background Art

[0002] When maintaining the engine of an aircraft, it is usually necessary to remove the engine from the aircraft, place it on a maintenance bracket, and transport it to a corresponding maintenance location for maintenance.

[0003] Aircraft engines have many different models, and the dimensions, center of gravity and other data of engines of different models are different. Special engine maintenance brackets need to be adapted for maintenance, which will cause some engine maintenance brackets that are not often used to be directly idle at the airport, wasting the use space of the airport. Content of the Utility Model

[0004] The purpose of the utility model is to provide an aero-engine maintenance bracket, which can adapt to engines of various different model sizes and centers of gravity. Only this maintenance bracket is needed to adapt to different engines, so as to be able to replace a variety of different model maintenance brackets and save the use space of the airport.

[0005] To solve the above technical problems, the utility model adopts the following scheme:

[0006] An aero-engine maintenance bracket includes a chassis. At least three universal wheels are provided on the bottom surface of the chassis. A bracket is provided on the chassis. Four support arms are provided on the bracket. The support arm includes a mounting portion provided at the top of the support arm for mounting with an aero-engine. At least one support arm is provided with an adjustment structure for adjusting the position of the mounting portion. Its function is that through the setting of the adjustment structure, the positions between the mounting portions can be adjusted to adapt to engines of various different model sizes and centers of gravity. Only this maintenance bracket is needed to adapt to different engines, so as to be able to replace a variety of different model maintenance brackets and save the use space of the airport.

[0007] Further, the bracket includes a side plate and a back plate which are perpendicularly arranged. There is one back plate and two side plates. The support arms include two front support arms and two rear support arms. One front support arm is provided on each side plate, and both rear support arms are provided on the back plate. The two side plates and one back plate form a U-shaped space on the horizontal plane. The side plates and the back plate are both in the shape of a cuboid. Its function is that through the setting of the side plates and the back plate, a U-shaped space can be formed, so that an engine can be accommodated in the space surrounded by the support arms.

[0008] Further, a connecting plate is connected between the two side plates. Its function is that through the setting of the connecting plate, the structural strength of the space formed between the two side plates can be enhanced.

[0009] Further, a reinforcing member is connected between the side facing away from the back plate of the connecting plate and the side plate. The reinforcing member is in the shape of an inclined rod or a triangular plate. Its function is that by providing the reinforcing member, the structural strength between the connecting plate and the side plate can be enhanced.

[0010] Further, a storage box is provided on the bracket. Its function is that by providing the storage box, common disassembly and assembly tools and parts can be placed.

[0011] Further, an inclined tie rod is connected between the front support arm and the connecting plate. Its function is that by providing the inclined tie rod, the structural strength between the front support arm and the connecting plate can be enhanced, facilitating the support of the engine with a front-biased center of gravity.

[0012] Further, the position adjustment structure is provided on at least one support arm. The position adjustment structure includes a first screw rod and a threaded sleeve that are threadedly connected to each other, and an installation portion is provided at one end of the threaded sleeve away from the screw rod. Its function is that by providing the first screw rod and the threaded sleeve, the height of the installation portion can be adjusted by rotating the threaded sleeve on the screw rod, so as to adapt to engines of different heights.

[0013] Further, a diagonal brace is connected between the rear support arm and the side plate. Its function is that by providing the diagonal brace, the structural strength between the rear support arm and the side plate can be enhanced, facilitating the support of the engine with a rear-biased center of gravity.

[0014] Further, the position adjustment structure is provided on the installation portion of at least one support arm. The distance adjustment structure includes a second screw rod and a connecting block that are threadedly connected to each other, and a connecting shaft for connecting to the engine is connected to the connecting block. The connecting shaft itself adopts the existing technology in the maintenance bracket and will not be elaborated. Its function is that by providing the second screw rod and the connecting block, the position of the connecting shaft on the horizontal plane can be adjusted, so as to adapt to engines of different widths.

[0015] Further, a towing bar is provided at the front end of the chassis. Its function is that by providing the towing bar, it is convenient to connect to a trailer, so as to transport the engine placed on the support arm.

[0016] The beneficial effects of the present utility model are as follows:

[0017] 1. By providing the position adjustment structure, the positions between the installation portions can be adjusted to adapt to engines of various different models, sizes and centers of gravity. Only this maintenance bracket can adapt to different engines, so that various different models of maintenance brackets can be replaced, saving the use space of the airport;

[0018] 2. By providing the first screw rod and the threaded sleeve, the height of the installation portion can be adjusted by rotating the threaded sleeve on the screw rod, so as to adapt to engines of different heights;

[0019] 3. By setting the second screw rod and the connecting block, the position of the connecting shaft on the horizontal plane can be adjusted, so as to adapt to engines of different widths. Brief Description of the Drawings

[0020] Figure 1 It is a front view structural schematic diagram of Embodiment 1;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the bracket in Embodiment 1;

[0022] Figure 3 It is a top view structural schematic diagram of the bracket in Embodiment 1;

[0023] Figure 4 It is a structural schematic diagram of the support arm with a position adjustment structure at the back in Embodiment 1;

[0024] Figure 5 It is a three-dimensional exploded structural schematic diagram of Embodiment 2;

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the bracket in Embodiment 2;

[0026] Figure 7 It is a three-dimensional structural schematic diagram of the installation part with a position adjustment structure in Embodiment 2.

[0027] Reference Numerals: 1, chassis; 2, universal wheel; 3, bracket; 4, installation part; 5, side plate; 6, back plate; 7, front support arm; 8, rear support arm; 9, connecting plate; 10, reinforcing member; 11, storage box; 12, inclined pull rod; 13, first screw rod; 14, threaded sleeve; 15, inclined strut; 16, second screw rod; 17, connecting block; 18, connecting shaft; 19, trailer rod. Detailed Embodiment

[0028] The following combines the embodiments and the drawings to make a further detailed description of the present invention, but the implementation manners of the present invention are not limited thereto.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0030] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "arranged", "provided with", "installed", "connected", and "coupled" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0031] Embodiment 1

[0032] An aircraft engine maintenance bracket, as Figure 1 shown, includes a chassis 1. At least three universal wheels 2 are provided on the bottom surface of the chassis 1. A bracket 3 is provided on the chassis 1. Four support arms are provided on the bracket 3. The support arms include a mounting portion 4 provided at the top of the support arm for mounting with the aircraft engine. A position adjustment structure for adjusting the position of the mounting portion 4 is provided on at least one support arm. Its function is that through the arrangement of the position adjustment structure, the positions between the mounting portions 4 can be adjusted to adapt to engines of various different model sizes and centers of gravity. Only this maintenance bracket is needed to adapt to different engines, so that a variety of different models of maintenance brackets can be replaced, saving the use space of the airport.

[0033] Specifically, as Figure 2 shown, the bracket 3 includes a side plate 5 and a back plate 6 that are perpendicularly arranged to each other. There is one back plate 6 and two side plates 5. The support arms include two front support arms 7 and two rear support arms 8. One front support arm 7 is provided on each side plate 5, and the two rear support arms 8 are both provided on the back plate 6. The two side plates 5 and one back plate 6 form a U-shaped space on the horizontal plane. The side plate 5 and the back plate 6 are both in the shape of a cuboid. Its function is that through the arrangement of the side plate 5 and the back plate 6, a U-shaped space can be formed, so that the space surrounded by the support arms can accommodate the engine.

[0034] Specifically, as Figure 2 shown, a connecting plate 9 is connected between the two side plates 5. The back plate 6 is provided at the rear end of the side plate 5, and the connecting plate 9 is provided in the middle section of the side plate 5. Its function is that through the arrangement of the connecting plate 9, the structural strength of the space formed between the two side plates 5 can be enhanced.

[0035] Specifically, as Figure 3 shown, a reinforcing member 10 is connected between the side of the connecting plate 9 facing away from the back plate 6 and the side plate 5. The reinforcing member 10 is in the shape of a triangular plate. Its function is that through the arrangement of the reinforcing member 10, the structural strength between the connecting plate 9 and the side plate 5 can be enhanced.

[0036] Specifically, as Figure 3As shown, a storage box 11 is provided on the bracket 3. The top height of the storage box 11 is lower than the top height of the support arm. Its function is that through the setting of the storage box 11, common disassembly and assembly tools and parts can be placed.

[0037] Specifically, as Figure 2 shown, an inclined tie rod 12 is connected between the front support arm 7 and the connecting plate 9. Its function is that through the setting of the inclined tie rod 12, the structural strength between the front support arm 7 and the connecting plate 9 can be enhanced, facilitating the support of the engine with a front-biased center of gravity.

[0038] Specifically, as Figure 4 shown, the position adjustment structure is provided on one of the rear support arms 8. The position adjustment structure includes a first screw rod 13 and a threaded sleeve 14 that are threadedly connected to each other. The mounting portion 4 is provided at the end of the threaded sleeve 14 away from the screw rod. The first screw rod 13 is vertically arranged. Its function is that through the setting of the first screw rod 13 and the threaded sleeve 14, the height of the mounting portion 4 can be adjusted by rotating the threaded sleeve 14 on the screw rod, so as to adapt to engines of different heights.

[0039] Specifically, as Figure 1 shown, a towing bar 19 is provided at the front end of the chassis 1. Its function is that through the setting of the towing bar 19, it is convenient to connect with a trailer, thereby transporting the engine placed on the support arm.

[0040] The working principle of this embodiment is described as follows: After pushing the chassis 1 under the engine directly, remove the engine with a front-biased center of gravity from the aircraft and connect it to the mounting portion 4. Mount the front part of the engine on the mounting portion 4 on the front support arm 7, and mount the rear part of the engine on the mounting portion 4 on the rear support arm 8. Rotate the threaded sleeve 14 according to the height of the engine itself to adjust the height of the threaded sleeve 14, thereby adjusting the height of the mounting portion 4 on the rear support arm 8.

[0041] Embodiment 2

[0042] An aviation engine maintenance bracket, as Figure 5 shown, includes a chassis 1. At least three universal wheels 2 are provided on the bottom surface of the chassis 1. A bracket 3 is provided on the chassis 1. Four support arms are provided on the bracket 3. The support arms include mounting portions 4 provided at the tops of the support arms for mounting with an aviation engine. A position adjustment structure for adjusting the position of the mounting portion 4 is provided on at least one of the support arms. Its function is that through the setting of the position adjustment structure, the positions between the mounting portions 4 can be adjusted to adapt to engines of various different models, sizes, and centers of gravity. Only this maintenance bracket can adapt to different engines, thus being able to replace multiple different models of maintenance brackets and saving the use space of the airport.

[0043] Specifically, as Figure 6As shown, the bracket 3 includes a side plate 5 and a back plate 6 that are perpendicularly arranged to each other. There is one back plate 6 and two side plates 5. The support arms include two front support arms 7 and two rear support arms 8. One front support arm 7 is provided on each side plate 5, and the two rear support arms 8 are both provided on the back plate 6. The two side plates 5 and one back plate 6 form a U-shaped space on the horizontal plane. The side plates 5 and the back plate 6 are both in the shape of a cuboid. Its function is that through the arrangement of the side plates 5 and the back plate 6, a U-shaped space can be enclosed, so that the space surrounded by the support arms can accommodate the engine.

[0044] Specifically, as Figure 6 shown, a connecting plate 9 is connected between the two side plates 5. The back plate 6 is arranged at the rear end of the side plate 5, and the connecting plate 9 is arranged in the middle section of the side plate 5. Its function is that through the arrangement of the connecting plate 9, the structural strength of the space formed between the two side plates 5 can be enhanced.

[0045] Specifically, as Figure 6 shown, a reinforcing member 10 is connected between the side of the connecting plate 9 facing away from the back plate 6 and the side plate 5. The reinforcing member 10 is in the shape of an inclined rod. Its function is that through the arrangement of the reinforcing member 10, the structural strength between the connecting plate 9 and the side plate 5 can be enhanced.

[0046] Specifically, as Figure 6 shown, a storage box 11 is provided on the bracket 3. The top height of the storage box 11 is lower than the top height of the support arms. Its function is that through the arrangement of the storage box 11, common disassembly and assembly tools and parts can be placed.

[0047] Specifically, as Figure 6 shown, an inclined strut 15 is connected between the rear support arm 8 and the side plate 5. Its function is that through the arrangement of the inclined strut 15, the structural strength between the rear support arm 8 and the side plate 5 can be enhanced, which is convenient for supporting the engine with a biased center of gravity.

[0048] Specifically, as Figure 7 shown, the adjustment structure is arranged on the mounting part 4 on the two front support arms 7. The distance adjustment structure includes a second screw rod 16 and a connecting block 17 that are threadedly connected to each other. A connecting shaft 18 for connecting to the engine is connected to the connecting block 17. The second screw rod 16 is horizontally arranged. The connection mode of the connecting shaft 18 itself and the connecting shaft 18 to the engine adopts the existing technology in the maintenance bracket and will not be elaborated. Its function is that through the arrangement of the second screw rod 16 and the connecting block 17, the position of the connecting shaft 18 on the horizontal plane can be adjusted, so as to adapt to engines of different widths.

[0049] The working principle of this embodiment is described as follows: After pushing the chassis 1 under the engine directly, remove the engine with a rear-biased center of gravity from the aircraft and connect it to the mounting part 4. Mount the front part of the engine on the mounting part 4 on the front support arm 7, and mount the rear part of the engine on the mounting part 4 on the rear support arm 8. Rotate the second screw 16 according to the width of the engine itself to adjust the position of the connecting block 17 in the horizontal direction, thereby adjusting the horizontal position of the mounting part 4 on the front support arm 7.

[0050] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Based on the technical essence of the present invention, any simple modifications, equivalent replacements, and improvements made to the above embodiments within the spirit and principles of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. An aircraft engine maintenance bracket, characterized in that: It includes a chassis (1), at least three universal wheels (2) are provided on the bottom surface of the chassis (1), a bracket (3) is provided on the chassis (1), four support arms are provided on the bracket (3), and the support arms include a mounting portion (4) provided at the top of the support arm for mounting with an aero-engine, and a position adjustment structure for adjusting the position of the mounting portion is provided on at least one support arm.

2. The aero-engine maintenance bracket according to claim 1, wherein: The bracket (3) includes a side plate (5) and a back plate (6) which are perpendicularly arranged, there is one back plate (6), there are two side plates (5), the support arms include two front support arms (7) and two rear support arms (8), one front support arm (7) is provided on each side plate (5), and the two rear support arms (8) are both provided on the back plate (6).

3. The aeroengine maintenance bracket according to claim 2, wherein: A connecting plate (9) is connected between the two side plates (5).

4. The aeroengine maintenance bracket according to claim 3, wherein: A reinforcing member (10) is connected between the side of the connecting plate (9) facing away from the back plate (6) and the side plate (5).

5. The aero-engine maintenance bracket according to claim 4, wherein: A storage box (11) is provided on the bracket (3).

6. The aero-engine maintenance bracket according to claim 4, wherein: An inclined tie rod (12) is connected between the front support arm (7) and the connecting plate (9).

7. The aero-engine maintenance bracket according to claim 6, wherein: The position adjustment structure is provided on at least one support arm, and the position adjustment structure includes a first screw rod (13) and a threaded sleeve (14) which are threadedly connected to each other, and the mounting portion (4) is provided at the end of the threaded sleeve (14) away from the screw rod.

8. The aero-engine maintenance bracket according to claim 4, wherein: An inclined strut (15) is connected between the rear support arm (8) and the side plate (5).

9. The aeroengine maintenance bracket according to claim 8, wherein: The position adjustment structure is provided on the mounting portion (4) of at least one support arm, and the distance adjustment structure includes a second screw rod (16) and a connecting block (17) which are threadedly connected to each other, and a connecting shaft (18) for connecting with the engine is connected to the connecting block (17).

10. The aero-engine maintenance bracket according to claim 1, characterized in that: A towing bar (19) is provided at the front end of the chassis (1).

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