CN217168418U

CN217168418U - Portable spacing braced system of aviation APU and strutting arrangement

Info

Publication number: CN217168418U
Application number: CN202221078722.5U
Authority: CN
Inventors: 袁武; 马力; 王志桐; 肖俊焜; 林翔; 欧东武; 陈朔; 黄冰韩
Original assignee: Sichuan Chuanhang Aero Engine Maintenance Engineering Co ltd
Current assignee: Sichuan Chuanhang Aero Engine Maintenance Engineering Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-12
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to the field of maintenance of aviation auxiliary power devices, in particular to an aviation APU movable limiting supporting system and device. The aviation APU movable limitingsupporting system comprises a supporting device, a hoop device and an aviation APU. The supporting device is provided with a supporting body. The supporting body is located in the middle of the upper surface of the supporting device. The aviation APU can be arranged on the supporting body in a sleeving manner in the axis direction of the aviation APU. The hoop device is used for fixing the aviation APU and the supporting body together. According to the aviation APU movable limiting supporting system and device, it is guaranteed that the aviation APU is free of any blocking and has stability during installation, and potential safety hazards are reduced while the quality risk is reduced. The risk that small parts are scattered and cannot be found is reduced through a further arranged surrounding edge. The aviation APU movable limiting supporting system and device are small in occupied area, and the operation space is saved. The aviation APU movable limiting supporting system and device serve as the aviation APU movable limiting supporting device independently researched and developed in China, and compared with a traditional support depending on foreign import, the advantage of low cost is achieved.

Description

Portable spacing braced system of aviation APU and strutting arrangement

Technical Field

The utility model relates to an aviation auxiliary power unit maintenance field, concretely relates to portable spacing braced system of aviation APU and strutting arrangement.

Background

The Auxiliary Power Unit (Auxiliary Power Unit), referred to as aviation APU for short, is used for independently providing electric Power and compressed air for the airplane, and a small amount of aviation APU can provide additional thrust for the airplane. Before the airplane takes off on the ground, the main engine is started by supplying power or air by the aviation APU, so that the engine does not need to be started by relying on a ground power supply or an origin vehicle, the aviation APU provides store and compressed air on the ground, illumination and air conditioning in a passenger cabin and a cockpit are ensured, the power of the engine is fully used for ground acceleration and climbing when the airplane takes off, the take-off performance is improved, after landing, the aviation APU supplies power for illumination and air conditioning, the main engine is turned off in advance, fuel oil is saved, and airport noise is reduced.

The aviation APU is composed of a power section, a load compressor and an accessory gearbox. Due to the importance of aviation products, the procedures of cleaning, dismounting, repairing, testing and the like are required to be carried out every certain operation period. And after the aviation APU is confirmed to meet the airworthiness requirement after all maintenance works are finished, the aviation APU can be reinstalled on the engine to be continuously put into use.

In the maintenance implementation process of each process, the aviation APU needs to be adjusted to a proper angle for maintenance or transferred to a designated maintenance site for next-process maintenance, and the aviation APU needs to be firmly fixed in the maintenance process. Because the aviation APU has large mass, unique configuration and complex structure, certain difficulty is brought to the cleaning, the decomposition, the inspection, the repair, the assembly and the test of the APU.

When carrying out aviation APU assembly process, the tradition mode is installed on the HONEYWELL frame, because the support of HONEYWELL frame left and right sides and rear side can block the angle that maintenance personal maintained the operation, makes the operator can not keep just passing in the beginning when fastening pipeline or nut moment, makes to beat the moment value unreal, has the quality risk, and the operator very easily bumps simultaneously.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the utility model provides a portable spacing support system for an aviation APU, which comprises a support device, a hoop device and an aviation APU;

the supporting device comprises a supporting device main body, a supporting body is arranged in the middle of the upper surface of the supporting device main body, and the aviation APU is arranged on the supporting body along the axial direction of the aviation APU;

the clamp device is used for fixing the aviation APU and the supporting body together.

Preferably, the support body is a mounting boss, the mounting boss comprises a mounting part from top to bottom, and the diameter of the upper end face of the mounting part is r 1;

the aviation APU is provided with a mounting end, the diameter of the lower end face of the mounting end is r2, and r1 is r 2;

the mounting end of the aviation APU is arranged on the mounting part of the mounting boss, and the upper end surface of the mounting part is tightly attached to the lower end surface of the mounting end;

the clamp device sleeve is arranged on the outer side wall of the installation end of the aviation APU and the installation part of the installation boss.

Preferably, the mounting boss further comprises a supporting part and a fixing part;

the supporting part is arranged between the mounting part and the fixing part, the diameter of the upper end face of the supporting part is r3, and r3 is more than r 1;

the fixing part is fixedly connected with the upper surface of the supporting device main body.

Preferably, the surrounding edge with the height of d is arranged on the periphery of the upper surface of the supporting device, and d is more than or equal to 2cm and less than or equal to 4 cm.

Preferably, n support legs are further arranged below the support device, n is larger than or equal to 3, and a stabilizer bar is arranged between adjacent support legs.

The utility model provides a portable spacing strutting arrangement of aviation APU, strutting arrangement includes the strutting arrangement main part, strutting arrangement main part upper surface middle part is equipped with the supporter that can place aviation APU along its axis direction.

Preferably, the support body is a mounting boss, the mounting boss comprises a mounting part, the diameter of the upper end face of the mounting part is r1, and the r1 is equal to the diameter r2 of the lower surface of the mounting end of the aircraft APU, namely r1 is r 2.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the movable limiting supporting system can enable the aviation APU to be stable and fixed when being installed, and does not have any blocking, an operator can screw parts on the front side and finish the torque striking operation on the front side, the quality risk is reduced, and the potential safety hazard is reduced.

2. When using the assembly of hounwell frame completion outer part in traditional mode, if the little screw nut drops, will hardly look for, bring the quality hidden danger of foreign object damage, the portable spacing strutting arrangement upper surface of aviation APU has all set up the surrounding edge all around, if there is the finding of finding when the operation, can be blocked by the surrounding edge, reduces the unsettled risk of finding.

3. After the assembly of the aviation APU in the assembly process is completed, the movable limiting support tool can be used for horizontally and stably moving the aviation APU to the next process.

4. The movable limiting supporting tool is small in occupied area, and operation space is saved.

5. Through the stabilizer bar that sets up between adjacent supporting leg, can improve overall system's stability, difficult emergence is turned on one's side in actual operation.

6. The utility model discloses simple structure, convenient to use again because independently research and development, compare in the tradition only rely on high-priced import honowell frame, very big reduction the cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a mobile spacing support system of an aviation APU according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a movable limiting and supporting device of an aviation APU according to a second embodiment of the present invention;

fig. 3 is a top view of an aero APU mobile limit support device according to a second embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an aviation APU according to a first embodiment of the present invention;

fig. 5 is an installation schematic diagram of an aviation APU mobile limiting support system according to a first embodiment of the present invention;

reference numbers and corresponding part names in the drawings:

1-support means, 11-support body, 111-mounting section, 112-support section, 113-fixing section, 12-skirt, 13-support leg, 14-pulley, 2-hoop means, 3-aviation APU, 31-mounting end.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention is explained in detail below with reference to the figures and with reference to exemplary embodiments:

example 1

As shown in fig. 1, the movable spacing support system for the aviation APU comprises a support device 1, a hoop device 2, and an aviation APU 3;

the supporting device 1 comprises a supporting device main body, wherein a supporting body 11 is arranged in the middle of the upper surface of the supporting device main body, and the aviation APU3 is arranged on the supporting body 11 along the axial direction of the aviation APU 3;

the clamp device 2 is used for fixing the aviation APU3 and the supporting body 11 together.

It should be understood that the conventional portable limiting and supporting device for the aviation APU is a honeywell frame purchased by the same american company as the aviation APU3, the frame is high in price and poor in operability, because the left side, the right side and the rear side of the honeywell frame are provided with supporting bars, the supporting bars can block the angle of maintenance operation of maintenance personnel, and when the maintenance personnel fix a pipeline or a nut torque, the supporting bars cannot keep a positive position, so that the hitting torque value is not real, the repaired aviation APU3 has quality risks, and meanwhile, the operator is very easy to be damaged by the shielding; as shown in fig. 4, based on the structural characteristics of the aircraft APU3 itself, the utility model discloses a set up a strutting arrangement 1 to be provided with supporter 11 at this strutting arrangement main part 1, place aircraft APU3 on supporter 11 along its axial direction, this kind of method of placing can make and not shelter from around aircraft APU3, makes things convenient for the part on it to expose so that operating personnel can select the optimum angle to wash, decompose, inspect, repair, assemble the aircraft APU. In addition, the clamping device 2 is used for fixing the aviation APU3 and the supporting body 11 together, and the aviation APU3 can be stably placed on the supporting device 1.

Specifically, the support body 11 is a mounting boss, the mounting boss includes a mounting portion 111, and the diameter of the upper end surface of the mounting portion 111 is r 1;

the aviation APU3 is provided with a mounting end 31, the diameter of the lower end face of the mounting end 31 is r2, and r1 is r 2;

the mounting end 31 of the aviation APU3 is arranged on the mounting part 111 of the mounting boss 11, and the upper end surface of the mounting part 111 is closely attached to the lower end surface of the mounting end 31;

the hoop device 2 is sleeved on the outer side walls of the mounting end 31 of the aviation APU3 and the mounting portion 111 of the mounting boss.

As shown in fig. 5, it should be understood that the mounting end 31 of the aircraft APU3 is placed on the mounting portion 111 at the upper end of the mounting boss, and after being placed, the mounting end 31 of the aircraft APU3 and the mounting portion 111 of the mounting boss 11 are sleeved on the outer walls through the clip device 2, so that the aircraft APU3 and the supporting device 1 are fixed together.

Specifically, the mounting boss further includes a support portion 112 and a fixing portion 113;

the supporting part 112 is arranged between the mounting part 111 and the fixing part 113, the diameter of the upper end face of the supporting part 112 is r3, and r3 < r 1;

the fixing portion 113 is fixedly connected to the upper surface of the supporting device body.

It should be understood that, in view of the bearing problem when supporting the aircraft APU3, a supporting portion 112 is added between the mounting portion 111 and the fixing portion 113, the diameter of the supporting portion 112 is smaller than the diameters of both the mounting portion 111 and the fixing portion 113, and the fixing portion 113 may be a flange, in this case, the mounting portion 111 is a side wall convex portion section of the supporting body 11, the mounting end 31 is an outer side wall convex portion section of the aircraft APU3, and the two convex portion sections are in contact with each other and embedded in the clip device 2.

Specifically, the surrounding edge 12 with the height d is arranged on the periphery of the upper surface of the supporting device 1, and d is more than or equal to 2cm and less than or equal to 4 cm.

It should be understood that in the process of cleaning, decomposing, inspecting, repairing and assembling the aircraft APU3 by an operator, some small parts can be dropped inevitably, and if the small parts are dropped, the small parts are difficult to find, and in addition, the small parts are easy to damage the surfaces due to collision generated when the small parts are dropped, in view of this, the surrounding edge 12 with the height d is arranged around the supporting device 1, d is more than or equal to 2cm and less than or equal to 4cm, and is generally the best 3cm, so that the surrounding of the dropped small parts can be ensured, and the operation of the operator is not hindered.

Specifically, n supporting legs 13 are further arranged below the supporting device 1, n is larger than or equal to 3, and a stabilizing rod 131 is arranged between every two adjacent supporting legs 13.

It should be understood that, because the weight of aviation APU3 autogenous, and the utility model discloses an aviation APU axial fixity supports the principle, for further strengthening strutting arrangement's structural stability, is equipped with n supporting legs 13 below strutting arrangement 1, and n is greater than or equal to 3, and generally best n is 4 to be equipped with stabilizer bar 131 between adjacent supporting leg 13, through stabilizer bar 131 to the activity restriction of supporting leg 13, can guarantee that entire system can not take place to tumble scheduling problem in the operation process.

It should be understood that in a specific embodiment, a pulley 14 may be further provided under each support leg 13, and due to the self-generated weight of the aviation APU3 and its precision, the pulley 14 can be used to smoothly move the aviation APU3 to the next process after one process of the assembly of the aviation APU3 is completed.

The working principle is as follows:

the hoop device 2 is sleeved outside the installation part 111 of the installation boss 11, the aviation APU3 is suspended above the installation boss 11 of the supporting device main body 1 by utilizing the hoisting device, the installation end 31 of the aviation APU3 is aligned with the installation part 111 and then is placed downwards, the installation end 31 of the aviation APU3 is placed on the installation part 111, as shown in FIG. 5, the hoop device 2 is sleeved on the outer wall of the joint of the installation end 31 of the aviation APU3 and the installation part 111 of the installation boss 11, the hoop device 2 is screwed, and stable placement of the aviation APU3 is completed.

Example 2

The supporting device 1 comprises a supporting device main body, wherein a supporting body 11 capable of placing the aviation APU3 along the axial direction of the supporting body is arranged in the middle of the upper surface of the supporting device main body.

Specifically, the support body 11 is a mounting boss, the mounting boss includes a mounting portion 111, the diameter of the upper end surface of the mounting portion 111 is r1, and the r1 is equal to the diameter r2 of the lower surface of the mounting end 31 of the aviation APU3, that is, r1 is r 2.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. The movable type limiting supporting system of the aviation APU is characterized by comprising a supporting device (1), a hoop device (2) and the aviation APU (3);

the supporting device (1) comprises a supporting device main body, a supporting body (11) is arranged in the middle of the upper surface of the supporting device main body, and the aviation APU (3) is arranged on the supporting body (11) along the axial direction of the aviation APU (3);

the clamp device (2) is used for fixing the aviation APU (3) and the supporting body (11) together.

2. The portable spacing support system of an APU of claim 1, wherein said support body (11) is a mounting boss, said mounting boss comprises a mounting portion (111), an upper end surface of said mounting portion (111) has a diameter r 1;

the aviation APU (3) is provided with a mounting end (31), the diameter of the lower end face of the mounting end (31) is r2, and r1 is r 2;

the mounting end (31) of the aviation APU (3) is arranged on the mounting part (111) of the mounting boss, and the upper end surface of the mounting part (111) is tightly attached to the lower end surface of the mounting end (31);

the clamp device (2) is sleeved on the outer side wall of the mounting end (31) of the aviation APU (3) and the mounting portion (111) of the mounting boss.

3. The APU mobile limit support system of claim 2, wherein the mounting boss further comprises a support portion (112), a fixing portion (113);

the supporting part (112) is arranged between the mounting part (111) and the fixing part (113), the diameter of the upper end face of the supporting part (112) is r3, and r3 < r 1;

the fixing part (113) is fixedly connected with the upper surface of the supporting device main body.

4. The portable spacing support system for the APU of aviation according to claim 1, wherein a surrounding edge (12) with a height d is arranged around the upper surface of the support device (1), and d is greater than or equal to 2cm and less than or equal to 4 cm.

5. The portable spacing support system of an APU of claim 1, wherein n support legs (13) are further provided under the support device (1), n is greater than or equal to 3, and a stabilizer bar (131) is provided between adjacent support legs (13).

6. The utility model provides a portable spacing strutting arrangement of aviation APU which characterized in that, strutting arrangement (1) includes the strutting arrangement main part, strutting arrangement main part upper surface middle part is equipped with can be with aviation APU (3) along the supporter (11) that its axial direction placed.

7. The portable spacing support device for the APU of claim 6, wherein said supporting body (11) is a mounting boss, said mounting boss comprises a mounting portion (111), the upper end surface of said mounting portion (111) has a radial length r1, said r1 is equal to the radial length r2 of the lower surface of the mounting end (31) of the APU (3), that is, r1 is r 2.

8. The APU mobile limit support device of claim 7, wherein the mounting boss further comprises a support portion (112), a fixing portion (113);

9. The portable spacing support device for the APU of claim 6, wherein a surrounding edge (12) with a height d is arranged around the upper surface of the support device (1), and d is greater than or equal to 2cm and less than or equal to 4 cm.

10. The portable spacing support device of an APU of aviation according to claim 6, wherein n support legs (13) are further arranged below the support device (1), n is more than or equal to 3, and a stabilizer bar (131) is arranged between adjacent support legs (13).