CN118618728B

CN118618728B - Complete machine false part for aircraft engine packaging box identification test

Info

Publication number: CN118618728B
Application number: CN202410786454.XA
Authority: CN
Inventors: 陈华林; 孔雅婵; 潘柏霖
Original assignee: Aecc Chengdu Engine Co ltd
Current assignee: Aecc Chengdu Engine Co ltd
Priority date: 2024-06-18
Filing date: 2024-06-18
Publication date: 2025-11-07
Anticipated expiration: 2044-06-18
Also published as: CN118618728A

Abstract

The invention discloses a complete machine false part for an aircraft engine packaging box identification test, which is characterized by comprising a front conveying seat, a rear conveying seat and a plurality of main shafts which are adjacently arranged, wherein one end of each main shaft penetrates through the front conveying seat and is fixed with the rear conveying seat, an extending section is reserved, counterweight components are respectively arranged at positions close to two ends of the main shaft, the counterweight components can adjust the gravity center position and the weight of the complete machine false part, the front conveying seat and the mounting section are matched through bolts to axially limit the main shaft, and part of the rear conveying seat is detachably arranged in the groove to limit the main shaft in the vertical direction so as to replace the test of the aircraft engine assembly in the packaging box, thereby reducing the cost.

Description

Complete machine false part for aircraft engine packaging box identification test

Technical Field

The invention relates to the technical field of aeroengines, in particular to a complete machine false part for an aeroengine packaging box identification test.

Background

The aero-engine packaging box is used for storing aero-engines under the conditions of warehouses, outdoors and the like, and is convenient for the aero-engines to be transferred and transported in a way of highway, railway, aviation, water (sea) transportation and the like. After the design of a certain aeroengine packaging box is finished, related tests are required to be finished according to GJB834-90 aeroengine packaging part identification test, and the test can be used for storing and transferring the engine after the test passes. And the high price and the long manufacturing period of the aero-engine are considered, so that a packing box identification test is required to be carried out, and the test cost and period are reduced.

Disclosure of Invention

In view of the above, the complete machine false part for the aircraft engine packaging box identification test solves the problems that the packaging box identification test uses a real engine and has high cost and long period, and the engine is possibly damaged in the test process.

The complete machine false part for the aircraft engine packaging box identification test replaces the test of the aircraft engine assembly in the packaging box, the inner side surface of the packaging box is provided with a mounting joint and the bottom surface is provided with a groove, and the complete machine false part comprises a front transportation seat, a rear transportation seat and a plurality of main shafts which are adjacently arranged,

One end of each main shaft penetrates through the front conveying seat, is fixed with the rear conveying seat and is provided with an extending section, weight balance components are respectively arranged at positions close to two ends of the main shaft, and the weight balance components can adjust the gravity center position and the weight of the complete machine false part;

the front transportation seat is matched with the mounting section through a bolt to axially limit the main shaft, and the rear transportation seat is mounted in the groove in a detachable mode to limit the main shaft in the vertical direction.

Advantageous effects

The complete machine false part has simple structure, sufficient strength and easy operation of the processing technology, and can effectively solve the problems of high cost and long period of using a real engine in a packaging box identification test and possibly damaging the engine in the test process. The application of the complete machine false part reduces the cost and the period of the aircraft engine packaging box identification test, realizes the research and development of new products of the complete machine false part, and has great practical value.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

FIG. 1 is a front view of an overall structure;

fig. 2 is a side view of the front transport base, wherein,

1. Front transportation seat, rear transportation seat, 3, main shaft, 4, first reinforcing rib, 5, second reinforcing rib, 11, mounting hole, 12, front hanging, 21, supporting plate, 22, supporting leg, 24, bulge, 25, rear hanging, 71, counterweight platform, 72, mounting rod, 8, reinforcing plate.

Detailed Description

Embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

Other advantages and effects of the present disclosure will become readily apparent to those skilled in the art from the following disclosure, which describes embodiments of the present disclosure by way of specific examples. It will be apparent that the described embodiments are merely some, but not all embodiments of the present disclosure. The disclosure may be embodied or practiced in other different specific embodiments, and details within the subject specification may be modified or changed from various points of view and applications without departing from the spirit of the disclosure. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.

It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concepts of the disclosure by way of illustration, and only the components related to the disclosure are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that aspects may be practiced without these specific details.

Referring to the complete machine false part for the test of the aircraft engine package box identification shown in fig. 1 to 2, instead of the test of the aircraft engine assembly in the package box, the inner side surface of the package box is provided with a mounting joint and the bottom surface is provided with a groove, and the package box comprises a front transportation seat 1, a rear transportation seat 2 and a plurality of main shafts 3 which are adjacently arranged, all manufactured by referring to the appearance of an actual engine, preferably, the number of the main shafts 3 is 2 and the structures are the same, wherein,

One end of each main shaft 3 penetrates through the front conveying seat 1, is fixed with the rear conveying seat 2 and is provided with an extending section, and counterweight assemblies are respectively arranged at the positions of the two ends of the adjacent main shafts 3 and can adjust the gravity center position and the weight of the complete machine false part;

The front transport seat 1 is matched with the mounting section through a bolt to axially limit the main shaft 3, and the rear transport seat 2 is mounted in the groove in a detachable mode to limit the main shaft 3 in the vertical direction. The structure is simple, the strength is sufficient, the manufacturability is high, the mass and the gravity center are consistent with those of a real engine, and the transportation and installation interface is a complete machine false part consistent with the real engine.

As shown in fig. 2, in the specific embodiment provided in the present disclosure, the front transportation seat 1 is arranged in a quadrilateral structure, mounting holes 11 for the spindle 3 to pass through are arranged at intervals in the direction of the central line, and the top surface and the bottom surface of the spindle 3 are respectively and fixedly connected with the front transportation seat 1 through first reinforcing ribs 4;

The rear transportation seat 2 comprises a supporting plate 21, supporting legs 22 and a lifting rod, one end of the lifting rod is arranged in the central area of the supporting plate 21, the other end of the lifting rod is provided with a rear hanging 25 of a U-shaped structure, the supporting legs 22 are arranged on the top surface of the supporting plate 21 at intervals, the bottom surfaces of the supporting legs 22 are provided with protrusions 24, the bottom surfaces of the protrusions 24 are provided with pin holes, the size of the supporting legs 22 is matched with the size of the groove, and the supporting legs 22 penetrate through the bottom surface of the packaging box through second pins and are inserted into the pin holes of the protrusions 24 to limit the main shaft 3 in the vertical direction.

Further, after the supporting plate 21 fixedly supports the main shaft 3, the fixing of the main shaft 3 and the supporting plate 21 is reinforced through the second reinforcing ribs 5, the device further comprises a reinforcing plate 8, one end of the reinforcing plate 8 is welded on the top surface of the main shaft 3, and the other end of the reinforcing plate 8 is welded on the side surface of the lifting rod. The first reinforcing ribs 4 are arranged in a symmetrical mode along the central line of the front conveying seat 1, the contact area between the main shaft 3 and the front conveying seat 1 is increased by the first reinforcing ribs 4, and the fixing stability of the main shaft and the front conveying seat is improved.

Further, the counterweight assembly comprises a counterweight platform 71 and mounting rods, wherein two ends of the counterweight platform 71 are fixed on the top surfaces of two adjacent main shafts 3, the mounting rods are fixed on the top surfaces of the counterweight platform 71 at intervals, and a preset number of counterweight plates are mounted on the counterweight platform 71 through the mounting rods so as to realize the adjustment of the gravity center and the weight of the whole machine dummy, and the overall weight and the gravity center of the number of the counterweight plates are increased to be the same as the weight and the gravity center of an actual engine.

Further, in order to reduce the use of the weight plate, the weight assembly further comprises an adjusting groove, the opposite surfaces of the two adjacent main shafts 3 are respectively provided with the adjusting groove at corresponding positions, the bottom surfaces of the adjusting grooves are provided with adjusting holes at intervals, and the adjusting holes are used for fixing the weight platform 71 at different positions, so that the adjustment of the gravity center position of the complete machine false part is realized.

In the whole, the front and rear counterweight platforms are used for fully considering manufacturing errors, and the gravity center and the weight of the dummy are adjusted through the counterweight blocks so as to accord with the theoretical gravity center position and the theoretical weight of the engine. The main shaft is a supporting body with various functional sections of the dummy part and bears the load transmission function in the working process. The front and rear transport seats are used for mounting and fixing the false part simulation engine and the engine packing box, and can be used for fixing the false part simulation engine and the ground transport vehicle. The front and rear hanging is used for lifting and transferring the false-part simulated engine between the engine packaging box and the ground transport vehicle, and the rear hanging is used for installing and fixing the false-part simulated engine and the engine packaging box.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the disclosure are intended to be covered by the protection scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A dummy aircraft for testing the conformation of an aircraft engine packaging box, replacing the test of assembling an aircraft engine inside the packaging box, wherein the packaging box has mounting joints on its inner side and grooves on its bottom surface, characterized in that it includes a front transport seat, a rear transport seat, and multiple main shafts placed adjacent to each other, wherein,

One end of each of the multiple spindles passes through the front transport seat and is fixed to the rear transport seat with an extended section. Counterweight components are respectively provided near the two ends of each spindle, and these counterweight components can adjust the center of gravity and weight of the dummy machine part. The front transport seat engages with the mounting section via pins to axially limit the spindle. A portion of the rear transport seat is detachably installed in the groove, limiting the spindle vertically. The front transport seat has a quadrilateral structure with mounting holes spaced along its centerline for the spindle to pass through. The top and bottom surfaces of the spindle are fixedly connected to the front transport seat via first reinforcing ribs. Pin holes are provided on the sides of the front transport seat; first pins pass through the side of the packaging box and are inserted into the pin holes on both sides of the front transport seat to axially limit the spindle.

The rear transport seat includes a support plate, legs, and a lifting rod. One end of the lifting rod is installed in the central area of the support plate, and the other end is provided with a U-shaped rear hanger. The legs are spaced apart on the top surface of the support plate, and the bottom surface of each leg has a protrusion with a pin hole. The size of the legs is adapted to the size of the groove. A second pin passes through the bottom surface of the packaging box and inserts into the pin hole of the protrusion to limit the vertical movement of the main shaft.

The counterweight assembly includes a counterweight platform and mounting rods. The two ends of the counterweight platform are fixed to the top surfaces of two adjacent main shafts. The mounting rods are fixed at intervals on the top surfaces of the counterweight platform. A preset number of counterweight plates are mounted on the counterweight platform via the mounting rods to adjust the center of gravity and weight of the dummy parts of the whole machine.

2. The dummy part of the machine according to claim 1, wherein the number of spindles is 2.

3. The dummy part of the whole machine according to claim 1, characterized in that the support plate fixes the main shaft and the second reinforcing rib strengthens the fixation between the main shaft and the support plate, and the top surface of the front transport seat is provided with a front hanger;

It also includes a reinforcing plate, one end of which is welded to the top surface of the main shaft and the other end of which is welded to the side of the hoisting rod.

4. The dummy part of the whole machine according to claim 3, characterized in that the first reinforcing ribs consist of 4 groups, which are arranged symmetrically along the center line of the front transport seat.

5. The dummy component of the whole machine according to claim 4, characterized in that the counterweight assembly further includes an adjustment groove, and the adjustment grooves are respectively opened at corresponding positions on the opposing surfaces of two adjacent main shafts, and adjustment holes are spaced apart on the bottom surface of the adjustment grooves, the adjustment holes being used to fix the counterweight platform at different positions, thereby realizing the adjustment of the center of gravity position of the dummy component of the whole machine.