Whole machine dummy for aero-engine package box identification test

Abstract

The whole machine dummy part for the aero-engine package box identification test of the present application is characterized in that the inside of the package box is provided with a mounting section and the bottom is provided with a groove, and comprises adjacent front and rear transport seats and a plurality of main shafts, wherein one end of the main shafts passes through the front transport seat, is fixed with the rear transport seat and leaves an extended section, a counterweight assembly is arranged near the position of the two ends of the main shaft, the counterweight assembly can adjust the center of gravity position and weight of the whole machine dummy part, the front transport seat is matched with the mounting section through a bolt for axial limiting of the main shaft, and part of the rear transport seat is detachably mounted in the groove for limiting the main shaft in the vertical direction, thereby replacing the test of assembling the aero-engine in the package box and reducing the cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aero-engines, in particular to a whole machine dummy for aero-engine packaging box identification test. BACKGROUND

[0002] The aero-engine packaging box is used for storing aero-engines under conditions such as warehouses and outdoors, and facilitates the circulation and transportation of aero-engines by means of highways, railways, aviation, and water (sea) transportation. After a certain type of aero-engine packaging box is completed, relevant tests are required to be completed according to GJB834-90 'Aero-engine packaging piece identification test', and the packaging box can be used for storing and circulating engines after passing the test. Considering the high cost and long manufacturing cycle of aero-engines, the packaging box identification test needs to be carried out to reduce the test cost and cycle. SUMMARY

[0003] Therefore, the whole machine dummy for aero-engine packaging box identification test is provided, which solves the problems of high cost and long cycle of using real engines for packaging box identification test, and possible damage to engines during the test process.

[0004] A whole machine dummy for aero-engine packaging box identification test, which replaces the test of assembling aero-engines in the packaging box, the inner side of the packaging box is provided with a mounting section and the bottom surface is provided with a groove, comprising adjacent front transport seats, rear transport seats and a plurality of main shafts, wherein,

[0005] One end of the plurality of main shafts penetrates the front transport seat and is fixed with the rear transport seat and leaves an overhanging section, and a counterweight assembly is arranged adjacent to the positions of the two ends of the main shaft, the counterweight assembly can adjust the center of gravity position and weight of the whole machine dummy;

[0006] The front transport seat and the mounting section are matched by a bolt for axial limiting of the main shaft, and part of the rear transport seat is mounted in the groove in a detachable manner for limiting the main shaft in the vertical direction.

[0007] Advantages

[0008] The whole machine dummy has simple structure, sufficient strength, and easy-to-operate processing technology, and can effectively solve the problems of high cost and long cycle of using real engines for packaging box identification test, and possible damage to engines during the test process. The application of the whole machine dummy reduces the cost and cycle of aero-engine packaging box identification test, realizes the research and development of new products of such whole machine dummies, and has great practical value. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings described below only illustrate some of the embodiments of the present disclosure, and the drawings can be obtained by those of ordinary skill in the art without any creative effort based on these drawings.

[0010] Fig. 1 is a front view of the overall structure;

[0011] Fig. 2 is a side view of the front transport seat, wherein,

[0012] 1, front transport seat; 2, rear transport seat; 3, main shaft; 4, first reinforcing rib; 5, second reinforcing rib; 11, mounting hole; 12, front hanger; 21, support plate; 22, support leg; 24, protrusion; 25, rear hanger; 71, counterweight platform; 72, mounting rod; 8, reinforcing plate. DETAILED DESCRIPTION

[0013] The embodiments of the present disclosure will be described in detail below with reference to the drawings.

[0014] The embodiments of the present disclosure will be described in detail below with reference to the drawings.

[0015] It should be noted that the various aspects described below in the context of the accompanying claims are illustrative and not restrictive. It should be apparent to those skilled in the art that the aspects described herein can be carried out in a wide variety of forms and that any specific structure and / or function described herein is merely illustrative. Based on the present disclosure, any one of the aspects described herein can be implemented independently of any other aspect and various examples of the present disclosure can be implemented and / or performed with the independent option of one or more of the aspects described herein. For example, an apparatus can be implemented or used using any number of the aspects described herein. In addition, an apparatus can be implemented or used using other structure and / or functionality in addition to or other than one or more of the aspects described herein.

[0016] It is also necessary to note that the drawings in the following embodiments only illustrate the basic concept of the present disclosure in a schematic manner, and only the components related to the present disclosure are shown in the drawings, not the number, shape and size of the components when actually implemented. The actual implementation of each component may be a random change, and the component layout may be more complex.

[0017] In addition, in the following description, specific details are provided in order to facilitate a thorough understanding of the examples. However, one skilled in the art will understand that aspects can be practiced without these specific details.

[0018] Referring to Figs. 1-2 The whole machine dummy shown for the aero-engine packaging box identification test replaces the test of the aero-engine assembled in the packaging box. The inner side of the packaging box is provided with a mounting section and the bottom is provided with a groove. It comprises a front transport seat 1, a rear transport seat 2 and a plurality of main shafts 3 placed adjacent to each other. All are manufactured according to the shape of the actual engine. Preferably, the number of main shafts 3 is 2 and the structure is the same. Among them,

[0019] One end of the plurality of main shafts 3 penetrates the front transport seat 1 and is fixed with the rear transport seat 2 with an overhanging section. A counterweight assembly is arranged adjacent to the position of the two ends of the main shaft 3. The counterweight assembly can adjust the center of gravity position and weight of the whole machine dummy;

[0020] The front transport seat 1 is matched with the mounting section through a bolt to limit the main shaft 3 in the axial direction. Part of the rear transport seat 2 is mounted in the groove in a detachable manner to limit the main shaft 3 in the vertical direction. The structure is simple, has sufficient strength, high manufacturability, and the mass and center of gravity are consistent with the real engine. The whole machine dummy has a transport and installation interface consistent with the real engine.

[0021] As the specific embodiments provided in the present case, as shown in Fig. 2 The front transport seat 1 is provided in a quadrilateral structure and is provided with mounting holes 11 for the main shaft 3 to penetrate in the center line direction. The top surface and the bottom surface of the main shaft 3 are respectively fixedly connected with the front transport seat 1 through the first reinforcing ribs 4. The side edges of the front transport seat 1 are respectively provided with pin holes. The first pin penetrates the side surface of the packaging box and is inserted into the pin holes on both sides of the front transport seat 1 to limit the main shaft 3 in the axial direction.

[0022] The rear transport seat 2 comprises a support plate 21, a supporting leg 22 and a lifting rod. One end of the lifting rod is mounted in the central region of the support plate 21, and the other end is provided with a U-shaped rear hanging 25. Among them, the top surface of the support plate 21 is provided with the supporting leg 22 at intervals. The bottom surface of the supporting leg 22 is provided with a protrusion 24. The bottom surface of the protrusion 24 is provided with a pin hole. The size of the supporting leg 22 is matched with the size of the groove. The second pin penetrates the bottom surface of the packaging box and is inserted into the pin hole of the protrusion 24 to limit the main shaft 3 in the vertical direction.

[0023] Further, after the support plate 21 is fixed to support the main shaft 3, the fixing of the main shaft 3 and the support plate 21 is strengthened by the second reinforcing rib 5, and further includes a reinforcing plate 8, one end of which is welded to the top surface of the main shaft 3, and the other end is welded to the side surface of the hoisting rod. The first reinforcing rib 4 is arranged in a symmetrical manner along the center line of the front transport seat 1, and the first reinforcing rib 4 increases the contact area of the main shaft 3 and the front transport seat 1, and improves the stability of the fixing.

[0024] Further, the counterweight assembly includes a counterweight platform 71 and a mounting rod, wherein the two ends of the counterweight platform 71 are fixed to the top surfaces of the two adjacent main shafts 3, the top surface of the counterweight platform 71 is fixedly arranged with the mounting rod, and a plurality of counterweight plates are arranged on the counterweight platform 71 through the mounting rod, so as to adjust the center of gravity and weight of the whole machine, and increase the number of counterweight plates to adjust the overall weight and center of gravity to be the same as the actual engine weight and center of gravity position.

[0025] Further, in order to reduce the use of counterweight plates, the counterweight assembly further includes an adjusting groove, and the opposite surfaces of the two adjacent main shafts 3 are respectively provided with adjusting grooves at the corresponding positions, and the bottom surfaces of the adjusting grooves are spaced apart to form adjusting holes, which are used for fixing the counterweight platform 71 at different positions to adjust the center of gravity of the whole machine.

[0026] Overall, the front and rear counterweight platforms are used to fully consider the manufacturing error, adjust the center of gravity and weight of the dummy part through the counterweight block, so as to meet the theoretical center of gravity position and theoretical weight of the engine. The main shaft is the load bearing body of each functional section 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 dummy engine and the engine packaging box, and can be used for fixing the dummy engine and the ground transport vehicle. The front and rear hangers are used for lifting and transporting the dummy engine between the engine packaging box and the ground transport vehicle, and the rear hanger is used for mounting and fixing the dummy engine and the engine packaging box.

[0027] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A dummy aircraft for testing the quality of an aircraft engine packaging box, replacing the test of assembling the aircraft engine inside the packaging box, wherein the inner side of the packaging box is provided with an mounting joint and the bottom surface is provided with a groove, characterized in that, The front transport seat, the rear transport seat and the plurality of main shafts are adjacently arranged, One end of the plurality of main shafts passes through the front transport seat and is fixed with the rear transport seat and has an extended section, a counterweight assembly is arranged near the position of the two ends of the main shaft, the counterweight assembly can adjust the gravity center position and weight of the whole machine prosthesis, the front transport seat is matched with the mounting joint through the bolt, the main shaft is axially limited, part of the rear transport seat is detachably mounted in the groove and limits the main shaft in the vertical direction, the front transport seat is arranged in a quadrilateral structure and is arranged with mounting holes for the main shaft to pass through in the center line direction, and the top surface and the bottom surface of the main shaft are fixedly connected with the front transport seat through the first reinforcing rib, and the side edges of the front transport seat are provided with pin holes, the first pin passes through the side surface of the packaging box and is inserted into the pin holes on both sides of the front transport seat, and the main shaft is axially limited. The rear transport seat comprises a support plate, a supporting leg and a lifting rod, one end of the lifting rod is mounted in the central region of the support plate, and the other end is provided with a U-shaped rear hanging, wherein the top surface of the support plate is arranged with the supporting leg at intervals, the bottom surface of the supporting leg is provided with a protrusion, the bottom surface of the protrusion is provided with a pin hole, the size of the supporting leg is matched with the size of the groove, and the second pin passes through the bottom surface of the packaging box and is inserted into the pin hole of the protrusion, so that the main shaft is limited in the vertical direction. The counterweight assembly comprises a counterweight platform and a mounting rod, wherein the two ends of the counterweight platform are fixed on the top surfaces of the two adjacent main shafts, the top surface of the counterweight platform is fixed with the mounting rod at intervals, and a plurality of counterweight plates are mounted on the counterweight platform through the mounting rod, so as to realize the adjustment of the gravity center and the weight of the whole machine prosthesis.

2. The whole prosthesis of claim 1, wherein, The number of the main shafts is 2.

3. The whole prosthesis of claim 1, wherein, The support plate fixedly supports the main shaft and strengthens the fixation of the main shaft and the support plate through the second reinforcing rib, and the top surface of the front transport seat is provided with a front hanging. A reinforcing plate is further arranged, one end of the reinforcing plate is welded on the top surface of the main shaft, and the other end is welded on the side surface of the lifting rod.

4. The whole prosthesis of claim 3, wherein, The first reinforcing rib is arranged in a symmetrical manner along the center line of the front transport seat.

5. The whole prosthesis of claim 4, wherein, The counterweight assembly further comprises an adjusting groove, the opposite surfaces of the two adjacent main shafts are respectively provided with the adjusting groove at the corresponding positions, the bottom surface of the adjusting groove is provided with an adjusting hole at intervals, the adjusting hole is used for fixing the counterweight platform at different positions, and the gravity center position of the whole machine prosthesis is adjusted.

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