Auxiliary lifting device for aircraft component maintenance

By introducing hydraulic cylinders and servo motor drive gear transmission into the aircraft maintenance lifting device, the problem of the lifting platform being unable to be extended and extended is solved, which increases the moving space and safety, and improves maintenance efficiency.

CN222249974UActive Publication Date: 2024-12-27SHANGHAI AML AVIATION TECH CO LTD
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Patent Information

Application Number
CN202421110376.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2024-12-27
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

The lifting platform of the existing aircraft maintenance lifting device cannot be extended and extended, resulting in a small space for staff to move, affecting maintenance efficiency.

Method used

An auxiliary lifting device for maintenance of aircraft parts is designed, including vehicle body, hydraulic cylinder, servo motor, gear and extension plate. By starting the hydraulic cylinder and servo motor, the gear transmission is driven, so that the extension plate is pushed out, extending the use space of the lifting platform, and Improve safety and practicality with guardrails and placing plates.

Benefits of technology

The adjustability of the lifting platform is realized, the movement space and safety of staff are increased, and the maintenance efficiency and practicality are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of maintenance auxiliary devices, in particular to an aircraft component maintenance auxiliary lifting device which comprises a vehicle body and a lifting platform mechanism, an installation groove is formed in the vehicle body, a hydraulic oil cylinder is fixedly installed in the installation groove, and the lifting platform mechanism is arranged at the upper end of the hydraulic oil cylinder. The lifting table mechanism comprises a lifting table and a servo motor. The lifting platform can be pushed to ascend and descend by starting the hydraulic oil cylinder, when a worker needs to enlarge the moving space on the lifting platform, the servo motor is started to drive the gear to rotate, the gear drives the first rack and the second rack, and the first extension plate and the second extension plate are pushed out of the lifting platform; therefore, the lifting platform is extended, and the maintenance space of workers is enlarged.
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Description

Technical Field

[0001] The utility model relates to the technical field of maintenance auxiliary devices, in particular to an aircraft component maintenance auxiliary lifting device. Background Art

[0002] Aviation maintenance is the maintenance and repair of aircraft and their technical equipment. It maintains and improves the feasibility of aircraft and ensures the safety of aircraft. It is the premise and necessary condition for the use of aircraft and an important part of the aviation industry. In recent years, the equipment has continuously applied the latest scientific and technological achievements, with more advanced performance, more comprehensive technology and more complex structure, which brings great challenges to the regular maintenance, rapid maintenance and especially overhaul of aviation equipment.

[0003] For example, the patent with announcement number CN219409191U discloses a manual lifting platform for aircraft maintenance, including a lifting and moving seat, on which a platform structure and a guardrail structure cooperating therewith are provided; the lifting and moving seat includes a base, on which a baffle and a plurality of moving wheels are symmetrically provided, a first limiting groove is provided on the baffle, the base is connected to a second screw rod through a first connecting member, a second hand wheel is provided at one end of the second screw rod, an adjustment block cooperating therewith with its thread is provided on the second screw rod, a first limiting rod cooperating therewith with the first limiting groove is symmetrically provided on the adjustment block, and the first limiting rod is hinged to one end of the first lifting arm. With the above structure, the hand-cranked structure cooperates with the scissor-type lifting structure, and the lifting and lowering can be easily controlled, with low dependence and no restrictions on the use environment.

[0004] The lifting platform of the lifting device in the prior art cannot be extended, resulting in a small space for workers to move around during maintenance. This has certain limitations and affects the workers' efficiency in maintaining the aircraft. Therefore, an auxiliary lifting device for aircraft component maintenance is proposed to solve the above problem. Utility Model Content

[0005] The utility model aims to provide an auxiliary lifting device for aircraft component maintenance to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An aircraft component maintenance auxiliary lifting device, comprising: a vehicle body and a lifting platform mechanism;

[0008] The vehicle body is provided with a mounting groove, a hydraulic cylinder is fixedly mounted inside the mounting groove, and the lifting platform mechanism is arranged at the upper end of the hydraulic cylinder;

[0009] The lifting platform mechanism includes a lifting platform and a servo motor, the servo motor is fixedly installed at the bottom of the lifting platform, a gear is fixedly installed at the output end of the servo motor, a first extension plate and a second extension plate are arranged inside the lifting platform, a second rack is fixedly installed on the first extension plate, the second rack is meshed with the gear, a first rack is fixedly installed on the second extension plate, the first rack is meshed with the gear, and a cover plate is fixedly installed on the lifting platform.

[0010] Preferably, a motor storage groove is provided on the upper surface of the vehicle body, a guide hole is provided on the upper surface of the vehicle body, a guide rod is inserted into the guide hole, and the setting of the guide hole and the guide rod can play a role of limiting and guiding the lifting platform.

[0011] Preferably, the number of the guide rods is four, and the four guide rods are respectively fixedly installed at the four corners of the bottom of the lifting platform. The arrangement of the guide rods can make the lifting platform more stable during lifting.

[0012] Preferably, the first extension plate is provided with a second receiving groove, and the second extension plate is provided with a first receiving groove. The rack can be conveniently received by the arrangement of the first receiving groove and the second receiving groove.

[0013] Preferably, a guardrail is fixedly installed on the lifting platform, a movable slide is provided on the guardrail, and a movable seat is slidably connected inside the movable slide. The movable slide can facilitate the movement of the movable seat on the guardrail.

[0014] Preferably, a placement plate is fixedly mounted on the movable seat, and the lifting platform is fixedly mounted on the upper end of the hydraulic cylinder. The arrangement of the placement plate can facilitate maintenance personnel to place the toolbox on the placement plate.

[0015] Preferably, a limit block is fixedly connected to the inner wall of the lifting platform, a guide groove is provided on the outer wall of the second extension plate, and the limit block is inserted into the guide groove. The setting of the limit block and the guide groove can prevent the extension plate from escaping from the interior of the lifting platform.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The lifting platform can be pushed up and down by starting the hydraulic cylinder. When the staff needs to increase the activity space on the lifting platform, the servo motor is started to drive the gear to rotate, so that the gear drives the first rack and the second rack, so that the first extension plate and the second extension plate are pushed out from the lifting platform, so that the lifting platform is extended and extended, increasing the maintenance space for the staff;

[0018] 2. By setting a guardrail on the lifting platform, the safety of the workers working on the lifting platform can be improved. The workers can fix the safety rope on the guardrail. By setting a placement board, the workers can conveniently place the tool kit on the placement board without the need for the workers to bend down to pick up the tools. At the same time, the position of the placement board can be adjusted by moving the movable seat, which further improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the vehicle body of the utility model from a top view;

[0021] Figure 3 This is a schematic diagram of the structure of the lifting platform of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the lifting platform of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the first extension plate of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the placement plate of the utility model.

[0025] In the figure: 1. vehicle body; 2. lifting platform mechanism; 201. lifting platform; 202. servo motor; 203. gear; 204. first extension plate; 205. second extension plate; 206. first rack; 207. second rack; 208. first receiving slot; 209. second receiving slot; 210. cover plate; 3. mounting slot; 4. hydraulic cylinder; 5. guide hole; 6. guide rod; 7. motor receiving slot; 8. guardrail; 9. movable slide; 10. movable seat; 11. placement plate; 12. limit block; 13. guide slot. DETAILED DESCRIPTION

[0026] 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.

[0027] like Figure 1-5 As shown, an aircraft component maintenance auxiliary lifting device comprises: a vehicle body 1 and a lifting platform mechanism 2;

[0028] The vehicle body 1 is provided with a mounting groove 3, a hydraulic cylinder 4 is fixedly installed inside the mounting groove 3, and the lifting platform mechanism 2 is arranged at the upper end of the hydraulic cylinder 4;

[0029] The lifting platform mechanism 2 includes a lifting platform 201 and a servo motor 202. The servo motor 202 is fixedly installed at the bottom of the lifting platform 201. A gear 203 is fixedly installed at the output end of the servo motor 202. A first extension plate 204 and a second extension plate 205 are arranged inside the lifting platform 201. A second rack 207 is fixedly installed on the first extension plate 204, and the second rack 207 is meshed with the gear 203. A first rack 206 is fixedly installed on the second extension plate 205, and the first rack 206 is meshed with the gear 203. A cover plate 210 is fixedly installed on the lifting platform 201. The lifting platform 201 can be pushed up and down by starting the hydraulic cylinder 4. When the staff needs to increase the activity space on the lifting platform 201, the servo motor 202 is started to drive the gear 203 to rotate, so that the gear 203 pushes the first rack 206 and the second rack 207, so that the first extension plate 204 and the second extension plate 205 are pushed out from the lifting platform 201, so that the lifting platform 201 is extended and stretched, increasing the maintenance space for the staff.

[0030] like Figure 2 As shown, a motor storage groove 7 is provided on the upper surface of the vehicle body 1, a guide hole 5 is provided on the upper surface of the vehicle body 1, and a guide rod 6 is inserted into the guide hole 5. The setting of the guide hole 5 and the guide rod 6 can play a role of limiting and guiding the lifting platform 201.

[0031] There are four guide rods 6 , which are fixedly mounted at the four corners of the bottom of the lifting platform 201 . The arrangement of the guide rods 6 can make the lifting platform 201 more stable during lifting.

[0032] like Figure 5 As shown, the first extension plate 204 is provided with a second receiving groove 209 , and the second extension plate 205 is provided with a first receiving groove 208 . The first receiving groove 208 and the second receiving groove 209 can be provided to facilitate the storage of the rack.

[0033] like Figure 4 , 6 As shown, a guardrail 8 is fixedly installed on the lifting platform 201, a movable slide 9 is opened on the guardrail 8, and a movable seat 10 is slidably connected inside the movable slide 9. The setting of the movable slide 9 can facilitate the movement of the movable seat 10 on the guardrail 8.

[0034] A placement plate 11 is fixedly mounted on the movable seat 10 , and the lifting platform 201 is fixedly mounted on the upper end of the hydraulic cylinder 4 . The placement plate 11 is arranged so that maintenance personnel can conveniently place the tool box on the placement plate 11 .

[0035] like Figure 5As shown, the inner wall of the lifting platform 201 is fixedly connected to the limit block 12, the outer wall of the second extension plate 205 is provided with a guide groove 13, and the limit block 12 is inserted into the inside of the guide groove 13. The setting of the limit block 12 and the guide groove 13 can prevent the extension plate from escaping from the inside of the lifting platform 201.

[0036] Furthermore, the electrical equipment in this embodiment is connected to a control switch, and the above electrical control technologies are all existing technologies, which are not the main innovation of this application and are not described in detail here.

[0037] The working principle of the utility model is as follows:

[0038] By starting the hydraulic cylinder 4, the lifting platform 201 can be pushed up and down. When the staff needs to increase the activity space on the lifting platform 201, the servo motor 202 is started to drive the gear 203 to rotate, so that the gear 203 pushes the first rack 206 and the second rack 207, so that the first extension plate 204 and the second extension plate 205 are pushed out from the lifting platform 201, so that the lifting platform 201 is extended and stretched, and the maintenance space of the staff is increased; by arranging a guardrail 8 on the lifting platform 201, the safety of the staff working on the lifting platform 201 can be improved, and the staff can fix the safety rope on the guardrail 8. By arranging the placement plate 11, it is convenient for the staff to place the tool kit on the placement plate 11, and the staff does not need to bend over to pick up the tools. At the same time, the position of the placement plate 11 can be adjusted by moving the movable seat 10, which further improves the practicality of the device.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An auxiliary lifting device for aircraft component maintenance, characterized in that: include: A vehicle body (1) and a lifting platform mechanism (2); The vehicle body (1) is provided with a mounting groove (3), a hydraulic cylinder (4) is fixedly mounted inside the mounting groove (3), and the lifting platform mechanism (2) is arranged at the upper end of the hydraulic cylinder (4); The lifting platform mechanism (2) comprises a lifting platform (201) and a servo motor (202); the servo motor (202) is fixedly mounted at the bottom of the lifting platform (201); a gear (203) is fixedly mounted on the output end of the servo motor (202); a first extension plate (204) and a second extension plate (205) are arranged inside the lifting platform (201); a second rack (207) is fixedly mounted on the first extension plate (204); the second rack (207) is meshed with the gear (203); a first rack (206) is fixedly mounted on the second extension plate (205); the first rack (206) is meshed with the gear (203); and a cover plate (210) is fixedly mounted on the lifting platform (201).

2. The aircraft component maintenance auxiliary lifting device according to claim 1, characterized in that: The upper surface of the vehicle body (1) is provided with a motor storage groove (7), the upper surface of the vehicle body (1) is provided with a guide hole (5), and a guide rod (6) is inserted into the guide hole (5).

3. The aircraft component maintenance auxiliary lifting device according to claim 2, characterized in that: The number of the guide rods (6) is four, and the four guide rods (6) are respectively fixedly mounted at the four corners of the bottom of the lifting platform (201).

4. The aircraft component maintenance auxiliary lifting device according to claim 1, characterized in that: The first extension plate (204) is provided with a second receiving groove (209), and the second extension plate (205) is provided with a first receiving groove (208).

5. The aircraft component maintenance auxiliary lifting device according to claim 1, characterized in that: A guardrail (8) is fixedly mounted on the lifting platform (201), a movable sliding opening (9) is provided on the guardrail (8), and a movable seat (10) is slidably connected inside the movable sliding opening (9).

6. The aircraft component maintenance auxiliary lifting device according to claim 5, characterized in that: A placement plate (11) is fixedly mounted on the movable seat (10), and the lifting platform (201) is fixedly mounted on the upper end of the hydraulic cylinder (4).

7. The aircraft component maintenance auxiliary lifting device according to claim 1, characterized in that: The inner wall of the lifting platform (201) is fixedly connected to a limit block (12); the outer wall of the second extension plate (205) is provided with a guide groove (13); and the limit block (12) is inserted into the inside of the guide groove (13).