Cutting platform for rebuilding aircraft heat exchanger

Abstract

The cutting platform comprises a machine body, a first motor is arranged on the right side of the machine body, a threaded rod is fixedly connected to the left side of an output shaft of the first motor, the outer portion of the threaded rod is in threaded connection with a limiting frame, and a second motor is arranged on the left side of the limiting frame. And the outer part of an output shaft of the second motor is fixedly connected with a cutting blade. According to the cutting platform for rebuilding the aircraft heat exchanger, an aircraft heat exchanger body is placed on a storage table, a second motor drives a cutting blade to rotate, a first motor drives a threaded rod to rotate, the threaded rod drives a limiting frame, the first motor and the cutting blade to move left and right, and a third motor drives a gear to rotate; the gear drives the storage table and the aircraft heat exchanger body to move front and back, so that the cutting position of the cutting blade on the aircraft heat exchanger body is flexibly adjusted, manual operation of a user is not needed in the cutting process, and use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft heat exchanger core repair, in particular to a cutting platform used for aircraft heat exchanger renovation. Background Art

[0002] Most heat exchanger partitions used in aircraft are made of aluminum plates. Fluids containing corrosive particles can easily corrode aluminum and cause damage to the heat exchanger. The heat exchanger needs to be inspected and maintained regularly to ensure its normal operation, and the aircraft heat exchanger must be cut during the inspection process.

[0003] The aircraft heat exchanger overhaul process includes cutting the aircraft heat exchanger. The existing aircraft heat exchanger overhaul cutting process is usually performed manually by staff, which is not conducive to improving the convenience of use and has certain operational risks. Therefore, a cutting platform for aircraft heat exchanger overhaul is proposed to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a cutting platform for refurbishing an aircraft heat exchanger. The cutting process does not require manual operation by the user, thereby improving the convenience and safety factor of use and solving the above-mentioned problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting platform for overhauling an aircraft heat exchanger, comprising a fuselage, a first motor is arranged on the right side of the fuselage, a threaded rod is fixedly connected to the left side of the output shaft of the first motor, the external thread of the threaded rod is connected to a limiting frame, a second motor is arranged on the left side of the limiting frame, and a cutting blade is fixedly connected to the outside of the output shaft of the second motor.

[0006] Preferably, a hydraulic cylinder is provided at the inner top of the fuselage, a lifting platform is fixedly connected to the top of the piston of the hydraulic cylinder, and the left and right sides of the lifting platform are slidably connected to the inner wall of the fuselage.

[0007] Preferably, two limit rails are provided on the top of the lifting platform, and a storage platform is slidably connected to the top of the lifting platform via the limit rails, and the aircraft heat exchanger body is placed on the top of the storage platform.

[0008] Preferably, a telescopic cylinder is fixedly connected to the top of the storage table, the number of the telescopic cylinders is two and they are symmetrically distributed on the storage table, and flexible gaskets are provided on the pistons of the two telescopic cylinders.

[0009] Preferably, a third motor is provided at the bottom of the lifting platform, a gear is fixedly connected to the top of the output shaft of the third motor, the left side of the gear is meshed with the storage platform, and the bottom of the gear is rotatably connected to the lifting platform.

[0010] Preferably, four limiting rods are fixedly connected inside the fuselage, and the limiting rods pass through the lifting platform and are slidably connected to the lifting platform.

[0011] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0012] The cutting platform for overhauling an aircraft heat exchanger places the aircraft heat exchanger body on a storage table, the second motor drives the cutting blade to rotate, the first motor drives the threaded rod to rotate, the threaded rod drives the limit frame, the first motor and the cutting blade to move left and right, the third motor drives the gear to rotate, the gear drives the storage table and the aircraft heat exchanger body to move forward and backward, so as to flexibly adjust the cutting position of the cutting blade on the aircraft heat exchanger body, and the cutting process does not require manual operation by the user, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0014] Figure 2 This is a front sectional structural schematic diagram of the utility model;

[0015] Figure 3 It is a partial front view structural schematic diagram of the utility model;

[0016] Figure 4 It is a partial top view of the structure of the utility model.

[0017] In the figure: 1. fuselage; 2. first motor; 3. threaded rod; 4. limit frame; 5. second motor; 6. cutting blade; 7. hydraulic cylinder; 8. lifting platform; 9. limit rail; 10. storage table; 11. aircraft heat exchanger body; 12. telescopic cylinder; 1201, flexible gasket; 13. third motor; 14. gear; 15. limit rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 , an embodiment provided by the utility model:

[0020] A cutting platform for overhauling an aircraft heat exchanger comprises a fuselage 1, a first motor 2 is arranged on the right side of the fuselage 1, a threaded rod 3 is fixedly connected to the left side of the output shaft of the first motor 2, the outer thread of the threaded rod 3 is connected to a limit frame 4, a second motor 5 is arranged on the left side of the limit frame 4, and a cutting blade 6 is fixedly connected to the outside of the output shaft of the second motor 5.

[0021] Furthermore, the body 1 maintains the stability of the overall structure of the mechanism, and the output shaft of the first motor 2 is fixedly connected to the threaded rod 3, so that the first motor 2 can drive the threaded rod 3 to rotate after starting, and the threaded rod 3 is threadedly connected to the limit frame 4, so that when the threaded rod 3 rotates, it can drive the limit frame 4 to move left and right.

[0022] Furthermore, the output shaft of the second motor 5 is fixedly connected to the cutting blade 6, so that the second motor 5 can drive the cutting blade 6 to rotate after starting, so that the cutting blade 6 cuts the aircraft heat exchanger body 11 when it contacts the aircraft heat exchanger body 11.

[0023] Furthermore, the piston of the hydraulic cylinder 7 is fixedly connected to the lifting platform 8, so that after the hydraulic cylinder 7 is started, it can drive the lifting platform 8 to move up and down. The lifting platform 8 is slidably connected to the storage platform 10 through the limit rail 9, which plays a role in supporting the storage platform 10, and the storage platform 10 plays a role in supporting the aircraft heat exchanger body 11.

[0024] Furthermore, the two telescopic cylinders 12 cooperate with each other to clamp and fix the aircraft heat exchanger body 11 to maintain the stability of the aircraft heat exchanger body 11. The flexible gasket 1201 is relatively soft to prevent damage to the aircraft heat exchanger body 11 during the clamping process.

[0025] Furthermore, the output shaft of the third motor 13 is fixedly connected to the gear 14, so that the third motor 13 can drive the gear 14 to rotate after starting, and the gear 14 is meshed with the storage platform 10, so that when the gear 14 rotates, it can drive the storage platform 10 to move forward and backward.

[0026] Furthermore, the limiting rod 15 is slidably connected to the lifting platform 8 to limit the lifting platform 8 and maintain the stability of the lifting platform 8 during the up and down movement.

[0027] Working principle: the aircraft heat exchanger body 11 is placed on the storage table 10, the second motor 5 drives the cutting blade 6 to rotate, the first motor 2 drives the threaded rod 3 to rotate, the threaded rod 3 drives the limit frame 4, the first motor 5 and the cutting blade 6 to move left and right, the third motor 13 drives the gear 14 to rotate, the gear 14 drives the storage table 10 and the aircraft heat exchanger body 11 to move forward and backward, so as to flexibly adjust the cutting position of the cutting blade 6 on the aircraft heat exchanger body 11, the cutting process does not require manual operation by the user, improves the convenience of use, and solves the problems raised in the background technology, the hydraulic cylinder 7 drives the lifting platform 8, the storage table 10 and the aircraft heat exchanger body 11 to move upward, so that the cutting blade 6 contacts with the aircraft heat exchanger body 11, and the aircraft heat exchanger body 11 is cut.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cutting platform for aircraft heat exchanger overhaul, comprising a fuselage (1), characterized in that: A first motor (2) is arranged on the right side of the machine body (1); a threaded rod (3) is fixedly connected to the left side of the output shaft of the first motor (2); the outer thread of the threaded rod (3) is connected to a limit frame (4); a second motor (5) is arranged on the left side of the limit frame (4); and a cutting blade (6) is fixedly connected to the outside of the output shaft of the second motor (5).

2. A cutting platform for aircraft heat exchanger overhaul according to claim 1, characterized in that: A hydraulic cylinder (7) is provided at the inner top of the fuselage (1), the piston top of the hydraulic cylinder (7) is fixedly connected to a lifting platform (8), and the left and right sides of the lifting platform (8) are slidably connected to the inner wall of the fuselage (1).

3. A cutting platform for aircraft heat exchanger overhaul according to claim 2, characterized in that: Two limit rails (9) are arranged on the top of the lifting platform (8), and a storage platform (10) is slidably connected to the top of the lifting platform (8) via the limit rails (9), and an aircraft heat exchanger body (11) is placed on the top of the storage platform (10).

4. A cutting platform for aircraft heat exchanger overhaul according to claim 3, characterized in that: A telescopic cylinder (12) is fixedly connected to the top of the storage platform (10); the number of the telescopic cylinders (12) is two and they are symmetrically distributed on the storage platform (10); and the pistons of the two telescopic cylinders (12) are both provided with flexible gaskets (1201).

5. The cutting platform for aircraft heat exchanger overhaul according to claim 3, characterized in that: A third motor (13) is provided at the bottom of the lifting platform (8), and a gear (14) is fixedly connected to the top of the output shaft of the third motor (13). The left side of the gear (14) is meshed with the storage platform (10), and the bottom of the gear (14) is rotatably connected to the lifting platform (8).

6. A cutting platform for aircraft heat exchanger overhaul according to claim 2, characterized in that: Four limiting rods (15) are fixedly connected inside the fuselage (1), and the limiting rods (15) pass through the lifting platform (8) and are slidably connected to the lifting platform (8).

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