Aircraft engine fairing bracket

By designing a bracket adapted to the SR20G3 engine cowling, and adopting D-type and T-type support rods and L-shaped hanging rod structures, the problem of unstable disassembly and damage to the cowling was solved, achieving efficient and stable support and compatibility with the maintenance needs of different cowling models.

CN223903919UActive Publication Date: 2026-02-13CIVIL AVIATION FLIGHT UNIV OF CHINA
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Patent Information

Application Number
CN202520431645.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-02-13
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

The lack of dedicated support equipment for the disassembly and maintenance of the SR20G3 aircraft engine cowling makes the components prone to damage and the maintenance efficiency low, as there is no general-purpose equipment available on the market.

Method used

A bracket was designed, comprising a base, column, support frame, and hanger. The support frame consists of D-shaped and T-shaped support rods, and the hanger consists of L-shaped, arc-shaped, and T-shaped hangers. It is equipped with casters and rubber sleeves, and its structure fits the aerodynamic shape of the fairing, adapting to different engine fairing models.

Benefits of technology

It achieves stable support for the bracket and fairing, prevents damage, improves maintenance efficiency and versatility, and meets equipment management requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of aviation auxiliary tools, in particular to an aircraft engine fairing bracket which comprises a base, a stand column is fixedly installed in the middle of the top of the base, a supporting frame is installed at the lower end of the stand column, and a hanging frame is installed at the upper end of the stand column. The supporting frame comprises first supporting rods and second supporting rods, one ends of the outer sides of the first supporting rods are D-shaped, the number of the first supporting rods is two, one ends of the inner sides of the two first supporting rods are fixedly connected with the side face of the lower end of the stand column, and the second supporting rods are T-shaped. One end of the inner side of each second supporting rod is fixedly connected with the side face of the lower end of the stand column, the second supporting rods and the two first supporting rods are arranged at the same angle, the engine fairing bracket can be completely attached to the complex aerodynamic force appearance of a fairing, the problem that large aircraft parts cannot be stably supported can be effectively solved through the design position of the supporting frame, and the fairing bracket is convenient to use. And the structure is simple, and good fitting performance and reliability are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to aviation auxiliary tool technical field, concretely is a kind of airplane engine fairing bracket. BACKGROUND

[0002] Large components are removed during the maintenance of aircraft, and improper placement in the maintenance site can cause damage, so auxiliary equipment is needed to isolate and store the components, facilitating the recovery and installation of the components in the later stage. The engine fairing provides uniform air flow in the air system to ensure the normal performance of the engine. However, the airplane fairing is generally composed of irregular non-standard structures, and the integrity of the aerodynamic shape is very important. Therefore, a bracket that can adapt to the characteristics of the components is needed to support or lift the components.

[0003] The engine fairing needs to be removed for engine maintenance work, such as SR20G3 aircraft every 50 flight hours and daily engine troubleshooting. Therefore, a stable and reliable bracket auxiliary equipment is needed. The bracket auxiliary equipment not only provides stable support for the engine fairing, but also safely and quickly obtains the removed components. Since different engine fairings of different aircraft models have different aerodynamic shapes, the required maintenance auxiliary equipment is generally model-specific and is recommended, designed or purchased by the aircraft manufacturer according to the recommended list provided by the aircraft manufacturer. However, the engine fairing bracket for SR20G3 aircraft is not provided by the manufacturer, and there is no place to order it on the market, which brings great inconvenience to aircraft maintenance work.

[0004] Due to the large size and irregular shape of the SR20G3 aircraft engine fairing, improper placement can easily cause damage. Therefore, designing a special engine fairing hanger for SR20G3 aircraft not only improves maintenance efficiency, but also protects the components from damage in the maintenance site. SUMMARY

[0005] In view of the problems existing in the prior art, the utility model discloses a kind of airplane engine fairing bracket, the technical scheme adopted is, including base, the middle part of the top of the base is fixedly installed with stand column, the lower end of the stand column is installed with support frame, the upper end of the stand column is installed with hanger rack;

[0006] The support frame includes a first support rod and a second support rod, one end of the outer side of the first support rod is D-shaped, the first support rod is provided with two, one end of the inner side of the two first support rods is fixedly connected with the side surface of the lower end of the stand column, the second support rod is T-shaped, one end of the inner side of the second support rod is fixedly connected with the side surface of the lower end of the stand column, and the second support rod is arranged at an equal angle with the two first support rods.

[0007] The hanger comprises a first hanging rod, a second hanging rod and a third hanging rod, the first hanging rod is L-shaped as a whole, one end of the inner side of the first hanging rod is fixedly connected with the side surface of the upper end of the stand, one end of the outer side of the first hanging rod is arc-shaped and forms a 150-degree angle with one end of the inner side of the first hanging rod, one end of the inner side of the second hanging rod is fixedly connected with the side surface of the upper end of the stand, one end of the outer side of the second hanging rod is arc-shaped and perpendicular to one end of the inner side of the second hanging rod, the third hanging rod is T-shaped as a whole, the third hanging rod is fixedly installed on the side surface of the upper end of the stand, and two ends of the outer side of the third hanging rod are arc-shaped.

[0008] As a preferred technical scheme of the utility model, the base is three-pronged star-shaped, and three universal wheels with brake devices are fixedly installed on the bottom of the base.

[0009] As a preferred technical scheme of the utility model, the side surface of one end of the outer side of the supporting frame and the hanger is fixedly installed with a rubber sleeve.

[0010] As a preferred technical scheme of the utility model, the side surface of one end of the inner side of the two first supporting rods and the second supporting rod is fixedly connected with one end of the three first reinforcing rods respectively, and the other end of the three first reinforcing rods is fixedly connected with the side surface of the lower end of the stand.

[0011] As a preferred technical scheme of the utility model, the side surface of one end of the outer side of the third hanging rod is fixedly connected with one end of the second reinforcing rod, the second reinforcing rod is arc-shaped, and the other end of the second reinforcing rod is fixedly connected with the side surface of the upper end of the stand.

[0012] The utility model discloses the bracket structure is completely in line with the complex aerodynamic shape of fairing, and the design position of the supporting frame can effectively solve the problem of unstable lifting of the large aircraft parts, and the structure is simple, has good in-line and reliability. ACCURACY OF DRAWINGS

[0013] Figure 1 It is overall structure schematic diagram of the utility model;

[0014] Figure 2 It is supporting frame and hanger connecting structure schematic diagram of the utility model;

[0015] Figure 3 It is hanger structure schematic diagram of the utility model;

[0016] Figure 4 It is supporting frame structure schematic diagram of the utility model.

[0017] In the figure: 1 base, 2 stand, 3 support frame, 31 first support rod, 32 second support rod, 4 hanger, 41 first hanging rod, 42 second rod frame, 43 third rod frame, 5 universal wheel, 6 rubber sleeve, 7 first reinforcing rod, 8 second reinforcing rod. DETAILED DESCRIPTION

[0018] Embodiment 1

[0019] As Figures 1 to 3 shown, the utility model discloses a kind of airplane engine fairing bracket, the technical solution used is, including base 1, the middle part of the top of base 1 is fixedly installed with stand 2, the lower end of stand 2 is installed with support frame 3, the upper end of stand 2 is installed with hanger 4, base 1 is three-pronged star, the bottom of base 1 is fixedly installed with three universal wheels 5 with brake device, rubber sleeve 6 is fixedly installed on the side surface of one end of the outer side of support frame 3 and hanger 4;

[0020] Support frame 3 includes first support rod 31 and second support rod 32, the outer side of one end of first support rod 31 is D type, first support rod 31 is equipped with two, the inner side of one end of two first support rods 31 is fixedly connected with the side surface of the lower end of stand 2, second support rod 32 is T type, the inner side of one end of second support rod 32 is fixedly connected with the side surface of the lower end of stand 2, second support rod 32 is arranged at equal angle with two first support rods 31, the side surface of the inner side of one end of two first support rods 31 and second support rod 32 is respectively fixedly connected with the side surface of the lower end of stand 2 with the other end of three first reinforcing rods 7, the other end of three first reinforcing rods 7 is fixedly connected with the side surface of the lower end of stand 2;Hanger 4 includes first hanging rod 41, second hanging rod 42 and third hanging rod 43, first hanging rod 41 is overall L-shaped, the inner side of one end of first hanging rod 41 is fixedly connected with the side surface of the upper end of stand 2, the outer side of one end of first hanging rod 41 is arc-shaped and is 150 degrees included angle with the inner side of one end of first hanging rod 41, the inner side of one end of second hanging rod 42 is fixedly connected with the side surface of the upper end of stand 2, the outer side of one end of second hanging rod 42 is arc-shaped and is perpendicular to the inner side of one end of second hanging rod 42, third hanging rod 43 is overall T-shaped, third hanging rod 43 is fixedly installed on the side surface of the upper end of stand 2, the outer side of both ends of third hanging rod 43 is arc-shaped, the side surface of the outer side of one end of third hanging rod 43 is fixedly connected with the side surface of the other end of second reinforcing rod 8, second reinforcing rod 8 is arc-shaped, the other end of second reinforcing rod 8 is fixedly connected with the side surface of the upper end of stand 2, bracket structure is completely in line with the complicated aerodynamic force appearance of fairing, the design position of support frame 3 can effectively solve the problem of unstable lifting of aircraft large piece, simple structure has good in-line and reliability.In addition, the present bracket can also be compatible with the engine fairing of different models of SR20 series aircraft, convenient to use, strong versatility, meet the equipment management requirements of maintenance site, improve the disassembly and assembly efficiency of aircraft parts.

[0021] The utility model discloses a working principle: asymmetric arc support frame 3 and the hanger 4 on stand 2 can guarantee that support frame 3 three hangers 4 and the effective lamination of fairing, first hanging rod 41, second hanging rod, third hanging rod 43 on hanger 4 are used for hanging fairing inside, and the arc first support rod 31 and second support rod under are used for supporting fairing lower part, and the first support rod 3 of D type and the second support rod 32 of T type can be laminated with the inner wall of arc fairing, can smoothly put fairing, improve the stability of fairing placement, and support frame 3 and the hanger 4 of fairing adopt low carbon steel welding, have guaranteed the strength, through universal wheel 5 can make the bracket can be flexibly and stably moved in the maintenance site, is suitable for using most maintenance place, through rubber sleeve 6 can prevent support frame 3 and the hanger 4 and fairing inside fireproof material friction and cause the damage of fairing.

[0022] Components not specifically described herein are of the prior art.

[0023] Although the above has made detailed description to the specific embodiment of the utility model, the utility model is not limited to the above embodiment, still can make various changes within the knowledge range of the ordinary skill in the art without departing from the utility model's purpose, and the modification or deformation without creative labor is still within the protection scope of the utility model.

Claims

1. An aircraft engine cowling cradle, characterized by, The base (1) is fixedly installed with a column (2) in the middle of the top, the lower end of the column (2) is installed with a support frame (3), and the upper end of the column (2) is installed with a hanging frame (4). The support frame (3) comprises a first support rod (31) and a second support rod (32), one end of the outer side of the first support rod (31) is D-shaped, the first support rod (31) is provided with two, one end of the inner side of the two first support rods (31) is fixedly connected with the side surface of the lower end of the column (2), the second support rod (32) is T-shaped, one end of the inner side of the second support rod (32) is fixedly connected with the side surface of the lower end of the column (2), and the second support rod (32) is arranged at an equal angle with the two first support rods (31). The hanging frame (4) comprises a first hanging rod (41), a second hanging rod (42) and a third hanging rod (43), the first hanging rod (41) is L-shaped as a whole, one end of the inner side of the first hanging rod (41) is fixedly connected with the side surface of the upper end of the column (2), one end of the outer side of the first hanging rod (41) is arc-shaped and forms a 150-degree included angle with one end of the inner side of the first hanging rod (41), one end of the inner side of the second hanging rod (42) is fixedly connected with the side surface of the upper end of the column (2), one end of the outer side of the second hanging rod (42) is arc-shaped and perpendicular to one end of the inner side of the second hanging rod (42), the third hanging rod (43) is T-shaped as a whole, and the third hanging rod (43) is fixedly installed on the side surface of the upper end of the column (2), both ends of the outer side of the third hanging rod (43) are arc-shaped.

2. An aircraft engine cowling carrier according to claim 1, wherein: The base (1) is three-pronged star-shaped, and the bottom of the base (1) is fixedly installed with three universal wheels (5) provided with brake devices.

3. An aircraft engine cowling carrier according to claim 1, wherein: Rubber sleeves (6) are fixedly installed on the side surfaces of one ends of the outer sides of the support frame (3) and the hanging frame (4).

4. An aircraft engine cowling carrier according to claim 1, wherein: The side surfaces of one ends of the inner sides of the two first support rods (31) and the second support rod (32) are respectively fixedly connected with one ends of three first reinforcing rods (7), and the other ends of the three first reinforcing rods (7) are fixedly connected with the side surface of the lower end of the column (2).

5. An aircraft engine cowling carrier according to claim 1, wherein: The side surface of one end of the outer side of the third hanging rod (43) is fixedly connected with one end of a second reinforcing rod (8), the second reinforcing rod (8) is arc-shaped, and the other end of the second reinforcing rod (8) is fixedly connected with the side surface of the upper end of the column (2). The side surfaces of one ends of the inner sides of the two first support rods (31) and the second support rod (32) are respectively fixedly connected with one ends of three first reinforcing rods (7), and the other ends of the three first reinforcing rods (7) are fixedly connected with the side surface of the lower end of the column (2).