Lifting type working ladder for aircraft maintenance

Abstract

The utility model provides a lift type working ladder for aircraft maintenance, and particularly relates to the technical field of aircraft maintenance, the lift type working ladder for aircraft maintenance comprises a bottom plate, the bottom of the bottom plate is fixedly connected with brake universal wheels, the lift type working ladder for aircraft maintenance can climb up to a first platform through a first ladder stand to maintain an aircraft, and when the maintenance position is high, the brake universal wheels are fixed on the first ladder stand. When a maintenance tool is forgotten, a user can climb to the second platform through the second crawling ladder to maintain the airplane, then the second platform can be lifted through extension of the electric cylinder, in this way, the higher position can be maintained, the lifting effect is completed, the application range is wider, the guardrail can protect the maintenance worker, and when the maintenance tool is forgotten, the bolt is pulled out, and the pull rope is unwound, so that the maintenance tool is convenient to use. The discharging frame is arranged on the ground, other workers can be called to put tools into the discharging frame, material delivery can be completed by rotating the rotating disc, rolling up the pull rope and pulling back the discharging frame, maintenance personnel do not need to go down by themselves, in this way, more convenience and safety are achieved, and the plug pin is used for limiting and preventing the rolling shaft from rotating.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft maintenance, in particular to a lifting work ladder for aircraft maintenance. Background Art

[0002] The work ladder is one of the indispensable tools in the daily maintenance of aircraft. Its main function is to achieve adaptive adjustment of height to provide a reasonable standing platform for operators. The height of some work ladders is fixed, which is not convenient to adjust, and it is troublesome for maintenance personnel to get tools up and down. Utility Model Content

[0003] The utility model aims to provide a lifting work ladder for aircraft maintenance, so as to solve the problem that the height of some work ladders proposed in the above background technology is fixed, which is inconvenient to adjust and it is troublesome for maintenance personnel to take tools up and down.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting work ladder for aircraft maintenance, comprising a base plate, the bottom of the base plate is fixedly connected with a brake universal wheel, the top of the base plate is provided with a first ladder, one end of the first ladder is fixedly connected with a first platform, and the top of the base plate is provided with a lifting mechanism, the lifting mechanism comprises a first support column, a first support plate, a second ladder, a second support plate, an electric cylinder, a second platform and a guardrail, the first support column is fixedly connected to the top of the base plate, the first support plate is fixedly connected to one end of the first support column, the second ladder is fixedly connected to one side of the first support plate, the second support plate is fixedly connected to the outside of the first support column, the electric cylinder is fixedly connected to the top of the second support plate, one end of the piston rod of the electric cylinder is fixedly connected to the bottom of the second platform, the guardrail is fixedly connected to the top of the second platform, and a material picking mechanism is arranged on the outside of the guardrail.

[0005] Preferably, four first support columns are provided, and outer sides of the first support columns are fixedly connected to the first platform.

[0006] Preferably, the four first support columns are all fixedly connected to the first support plate, and the four first support columns are all fixedly connected to the second support plate.

[0007] Preferably, four electric cylinders are provided, and outer sides of piston rods of the four electric cylinders are slidably connected to the first support plate.

[0008] Preferably, the material picking mechanism includes a fixed block, a winding shaft, a pull rope, a material discharge frame, a turntable, a pin and a socket. The outer side of the guardrail is fixedly connected to a fixed block, one side of the fixed block is rotatably connected to the winding shaft, the outer side of the winding shaft is wound with a pull rope, one end of the pull rope is fixedly connected to the material discharge frame, one end of the winding shaft is fixedly connected to the turntable, one side of the turntable is slidably penetrated by a pin, and one end of the pin is plugged into a socket.

[0009] Preferably, one end of the pull rope is fixedly connected to the outer side of the reel.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: during use of the lift work ladder for aircraft maintenance, the aircraft maintenance personnel can climb up to the first platform through the first ladder to maintain the aircraft. When the maintenance position is higher, the aircraft maintenance personnel can climb to the second platform through the second ladder to maintain the aircraft. After that, the second platform can be pushed upward and raised by extending the electric cylinder. In this way, maintenance can be carried out at a higher position, completing the lifting effect and having a wider range of applications. The guardrail can protect the maintenance personnel. When the maintenance tools are forgotten, the pin is pulled out, the pull rope is unwound, and the material discharge frame is placed on the ground. Other staff members can be asked to put the tools into the material discharge frame, and the material delivery can be completed by rotating the turntable, rewinding the pull rope, and pulling back the material discharge frame. The maintenance personnel do not need to come down in person, which is more convenient and safer. The pin is used to limit the position to prevent the reel from rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the appearance of the utility model;

[0012] Figure 2 This is a schematic diagram of the lifting mechanism structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the guardrail and the fixing block cooperating with each other in the utility model;

[0014] Figure 4 It is a schematic diagram of the structure of the material taking mechanism of the utility model.

[0015] In the figure: 1, bottom plate; 2, brake universal wheel; 3, first ladder; 4, first platform; 5, lifting mechanism; 501, first support column; 502, first support plate; 503, second ladder; 504, second support plate; 505, electric cylinder; 506, second platform; 507, guardrail; 6, material taking mechanism; 601, fixed block; 602, reel; 603, pull rope; 604, material discharging frame; 605, turntable; 606, latch; 607, socket. DETAILED DESCRIPTION

[0016] 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.

[0017] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0018] Example

[0019] See also Figure 1-4 The utility model discloses a lifting work ladder for aircraft maintenance, comprising a bottom plate 1, a brake universal wheel 2 is fixedly connected to the bottom of the bottom plate 1, a first ladder 3 is arranged on the top of the bottom plate 1, one end of the first ladder 3 is fixedly connected to the first platform 4, a lifting mechanism 5 is arranged on the top of the bottom plate 1, the lifting mechanism 5 comprises a first support column 501, a first support plate 502, a second ladder 503, a second support plate 504, an electric cylinder 505, a second platform 506 and a guardrail 507, the first support column 501 is fixedly connected to the top of the bottom plate 1, the first support plate 502 is fixedly connected to one end of the first support column 501, the second ladder 503 is fixedly connected to one side of the first support plate 502, and the second support plate 504 is fixedly connected to the outer side of the first support column 501 The electric cylinder 505 is fixedly connected to the top of the second support plate 504, one end of the piston rod of the electric cylinder 505 is fixedly connected to the bottom of the second platform 506, and the guardrail 507 is fixedly connected to the top of the second platform 506. A material-retrieving mechanism 6 is arranged on the outer side of the guardrail 507. During use, the aircraft maintenance personnel can climb up to the first platform 4 through the first ladder 3 to maintain the aircraft. When the maintenance position is higher, the second platform 506 can be climbed to the second platform 506 through the second ladder 503 to maintain the aircraft. After that, the second platform 506 can be pushed upward and raised by extending the electric cylinder 505, so that maintenance can be carried out at a higher position, completing the lifting effect, and having a wider range of applications, and the guardrail 507 can protect the maintenance personnel.

[0020] In order to ensure more stable support, four first support columns 501 are provided, and the outer sides of the first support columns 501 are fixedly connected to the first platform 4 .

[0021] In order to ensure more stable support, the four first support columns 501 are all fixedly connected to the first support plate 502 , and the four first support columns 501 are all fixedly connected to the second support plate 504 .

[0022] In order to facilitate lifting, four electric cylinders 505 are provided, and the outer sides of the piston rods of the four electric cylinders 505 are slidably connected with the first support plate 502 .

[0023] In order to facilitate the delivery of materials, the material taking mechanism 6 includes a fixed block 601, a winding shaft 602, a pull rope 603, a material discharging frame 604, a turntable 605, a latch 606 and a socket 607. The outer side of the guardrail 507 is fixedly connected with the fixed block 601, one side of the fixed block 601 is rotatably connected with the winding shaft 602, the outer side of the winding shaft 602 is wound with a pull rope 603, one end of the pull rope 603 is fixedly connected with the material discharging frame 604, one end of the winding shaft 602 is fixedly connected with the turntable 605, and one side of the turntable 605 A latch 606 is slidably connected therethrough, one end of which is plugged into a socket 607. When a maintenance tool is forgotten, the latch 606 is pulled out, the pull rope 603 is unwound, and the material discharge frame 604 is placed on the ground. Other staff members can be asked to put the tools into the material discharge frame 604, and the material delivery can be completed by rotating the turntable 605, rewinding the pull rope 603, and pulling back the material discharge frame 604. The maintenance worker does not need to come down in person, which is more convenient and safer. The latch 606 is used for limiting the position to prevent the reel 602 from rotating.

[0024] In order to facilitate material delivery, one end of the pull rope 603 is fixedly connected to the outer side of the reel 602 .

[0025] Working principle: During use, the aircraft maintenance personnel can climb up to the first platform 4 through the first ladder 3 to maintain the aircraft. When the maintenance position is higher, they can climb to the second platform 506 through the second ladder 503 to maintain the aircraft. After that, the second platform 506 can be pushed upward by the extension of the electric cylinder 505 to raise the second platform 506. In this way, maintenance can be carried out at a higher position, completing the lifting effect and having a wider range of applications. The guardrail 507 can protect the maintenance personnel. When the maintenance tools are forgotten, the latch 606 is pulled out, the pull rope 603 is unwound, and the material discharge frame 604 is placed on the ground. Other staff members can be asked to put the tools into the material discharge frame 604, and the pull rope 603 is reeled in by rotating the turntable 605, and the material discharge frame 604 is pulled back to complete the material delivery. The maintenance personnel do not need to come down in person, which is more convenient and safer. The latch 606 is used for limiting the position to prevent the reel 602 from rotating.

[0026] 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 implementation rules 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 lifting work ladder for aircraft maintenance, comprising a base plate (1), characterized in that: The bottom of the base plate (1) is fixedly connected to a brake universal wheel (2); the top of the base plate (1) is provided with a first ladder (3); one end of the first ladder (3) is fixedly connected to a first platform (4); the top of the base plate (1) is provided with a lifting mechanism (5); the lifting mechanism (5) comprises a first support column (501), a first support plate (502), a second ladder (503), a second support plate (504), an electric cylinder (505), a second platform (506) and a guardrail (507); the first support column (501) is fixedly connected to the top of the base plate (1); the first ladder (3) is fixedly connected to a first platform (4); and the lifting mechanism (5) comprises a first support column (501), a first support plate (502), a second ladder (503), a second support plate (504), an electric cylinder (505), a second platform (506) and a guardrail (507). A support plate (502) is fixedly connected to one end of a first support column (501), the second ladder (503) is fixedly connected to one side of the first support plate (502), the second support plate (504) is fixedly connected to the outside of the first support column (501), the electric cylinder (505) is fixedly connected to the top of the second support plate (504), one end of the piston rod of the electric cylinder (505) is fixedly connected to the bottom of the second platform (506), the guardrail (507) is fixedly connected to the top of the second platform (506), and a material taking mechanism (6) is arranged on the outside of the guardrail (507).

2. The aircraft maintenance lift ladder according to claim 1, characterized in that: Four first support columns (501) are provided, and the outer sides of the first support columns (501) are fixedly connected to the first platform (4).

3. The aircraft maintenance lift ladder according to claim 1, characterized in that: The four first support columns (501) are all fixedly connected to the first support plate (502), and the four first support columns (501) are all fixedly connected to the second support plate (504).

4. The aircraft maintenance lift ladder according to claim 1, characterized in that: Four electric cylinders (505) are provided, and the outer sides of the piston rods of the four electric cylinders (505) are slidably connected to the first support plate (502).

5. The aircraft maintenance lift ladder according to claim 1, characterized in that: The material taking mechanism (6) comprises a fixed block (601), a winding shaft (602), a pull rope (603), a material discharging frame (604), a rotating disk (605), a latch (606) and a socket (607); the outer side of the guardrail (507) is fixedly connected with the fixed block (601); one side of the fixed block (601) is rotatably connected with the winding shaft (602); the outer side of the winding shaft (602) is wound with a pull rope (603); one end of the pull rope (603) is fixedly connected with the material discharging frame (604); one end of the winding shaft (602) is fixedly connected with the rotating disk (605); one side of the rotating disk (605) is slidably penetrated with a latch (606); one end of the latch (606) is plugged with the socket (607).

6. The aircraft maintenance lift ladder according to claim 5, characterized in that: One end of the pull rope (603) is fixedly connected to the outside of the reel (602).

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