CN209956207U

CN209956207U - Water surface replacing and taking ladder

Info

Publication number: CN209956207U
Application number: CN201821862604.7U
Authority: CN
Inventors: 张丽; 周俊明; 韩亮; 张帆; 陈明生; 刘亮亮; 田傲; 李红波
Original assignee: China Aviation Industry General Aircraft Co Ltd
Current assignee: South China Aircraft Industry Co Ltd of China Aviation Industry General Aircraft Co Ltd
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2020-01-17
Anticipated expiration: 2028-11-12

Abstract

The utility model relates to a surface of water trades takes advantage of ladder, its characterized in that: comprises a hook (1), a ladder beam component (2), a pedal component (3), a sliding sleeve (4) and a supporting component (5); the round section of the hook (1) is inserted into an original hole of the upper section (2a) of the ladder beam pipe to which the ladder beam assembly (2) belongs; the support component (5) is sleeved on the lower section (2c) of the ladder beam pipe to which the ladder beam component (2) belongs through a sleeve (5c), and the pipe axis of the sleeve (5c) is coplanar with the axis of the upper section (2a) of the ladder beam pipe and the axis of the lower section (2c) of the ladder beam pipe; the sliding sleeve (4) is sleeved on the lower section (2c) of the ladder beam pipe to which the ladder beam assembly (2) belongs, and the installation plane where the sliding sleeve (4) is connected with the ladder beam assembly (2) is parallel to and connected with the plane where the axis of the upper section (2a) of the ladder beam pipe and the axis of the lower section (2c) of the ladder beam pipe are located. The utility model discloses fully considered the organism structure and the atress form of seaplane, realized the surface of water on the basis of not destroying current organism structure and changed to take advantage of ladder easy dismounting, light in weight's requirement, had stronger pertinence.

Description

Water surface replacing and taking ladder

Technical Field

The utility model relates to a surface of water trades takes advantage of ladder, this transfer ladder is applicable to the transfer of personnel, goods and materials between plane on water and surface of water inflatable raft.

Background

When the seaplane operates on the water, in order to facilitate the transfer of personnel and materials between the seaplane and other water surface transport vehicles, a water surface transfer ladder needs to be specially designed according to the structural form of a cabin door region of the seaplane and the weight characteristics of personnel and materials. In addition, the water surface is changed to take the ladder as random equipment and requires light weight, and the quick assembly and disassembly is convenient during use.

Disclosure of Invention

To the above problem, the to-be-solved problem of the utility model is: the interface design of the water surface transfer ladder is developed according to the special structural form of the cabin door position area of the water plane, the water surface transfer ladder can be rapidly assembled and disassembled on the basis of not damaging the structure of the water plane, the metal part of the water surface transfer ladder, which is in contact with the outer skin of the water plane body, is coated by rubber, and the damage to the outer skin structure of the water plane body and the surface coating of the water plane body when the water surface transfer ladder is used is eliminated. Meanwhile, the optimized design of the structure is emphasized to reduce the weight of the product, so that the water surface can be conveniently used for replacing and taking the elevator.

The utility model adopts the technical proposal that: the main material is high-strength duralumin 2A 12. The concrete measures are as follows:

a water surface replacing and taking ladder comprises a hook 1, a ladder beam assembly 2, a ladder beam pipe upper section 2a, an adapter 2b, a ladder beam pipe lower section 2c, a ladder beam pipe lower section seal 2d, a pedal assembly 3, a pedal 3a, a short edge strip 3b, a lining plate 3c, a first long edge strip 3d, a second long edge strip 3e, a sliding sleeve 4 and a supporting assembly 5; the round section of the hook 1 is inserted into a round hole of the upper section 2a of the ladder beam pipe of the ladder beam assembly 2; the supporting component 5 is assembled by a cushion pad 5a, a supporting tube 5b and a sleeve 5 c; the support component 5 is sleeved on the lower section 2c of the ladder beam pipe to which the ladder beam component 2 belongs through a sleeve 5c, and the axis of the sleeve 5c pipe is coplanar with the axis of the upper section 2a of the ladder beam pipe and the axis of the lower section 2c of the ladder beam pipe; the sliding sleeve 4 is sleeved on the lower section 2c of the ladder beam pipe to which the ladder beam assembly 2 belongs, and the installation plane of the sliding sleeve 4 connected with the ladder beam assembly 2 is parallel to and connected with the axial line of the upper section 2a of the ladder beam pipe and the plane of the lower section 2c of the ladder beam pipe; the sliding sleeve 4 is connected with the pedal assembly; after the assembly process of the water surface transfer ladder is completed, the water surface transfer ladder is installed at a corresponding position of an airplane cabin door area, and the limiting gasket 6 is pressed into the installation interface to prevent the water surface transfer ladder from rotating.

Preferably, the symmetry axis of the hook 1 is coplanar with the axes of the upper section 2a and the lower section 2c of the ladder beam pipe.

Preferably, the ladder beam assembly 2 is formed by butting an upper ladder beam tube section 2a, an adapter 2b, a lower ladder beam tube section 2c and a lower ladder beam tube section seal 2d.

Preferably, the relative position of the bushing 5c on the lower ladder beam tube section 2c is coordinated with the external interface.

Preferably, the cushion pad 5a is made of metal material covered with rubber pad.

Compared with the prior art, the beneficial effects of the utility model reside in that: according to the structural form of the cabin door, a quick and convenient solution is provided for the internal/external transfer of seaplane personnel and goods and materials under the condition that the structure of the existing machine body is not changed.

Drawings

Fig. 1 is an axial side view of the water surface transfer ladder of the present invention;

FIG. 2 is a hook diagram;

FIG. 3 is a view of a ladder beam assembly;

FIG. 4 is a view of the pedal assembly;

FIG. 5 is a diagram of a sliding sleeve;

FIG. 6 is a front view of the sliding sleeve;

FIG. 7 is a side view of the sliding sleeve;

FIG. 8 is a view of the support assembly;

FIG. 9 is a view of a spacing washer;

in the drawings

1 is a hook 2 is a ladder beam component

2a is ladder beam pipe upper segment 2b is the adapter

2c is the lower section of the ladder beam pipe, and 2d is the lower section seal of the ladder beam pipe

3 is a pedal component 3a is a pedal

3b is short edge strip 3c is lining board

3d is a first long edge strip 3e is a second long edge strip

4 is a sliding sleeve 5 as a supporting component

5a is a buffer cushion 5b is a supporting tube

5c is a sleeve 6 as a limit gasket

FIG. 4 is a cross-sectional view of the pedal assembly taken along line A-A, FIG. 4 is a cross-sectional view of the pedal assembly taken along line B-B, and FIG. 4 is a partial cross-sectional view of the pedal assembly taken along line B-B

C-C in figure 6 is a sectional view of the front view of the sliding sleeve, D-D in figure 7 is a sectional view of the fastening hole of the sliding sleeve

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, the present invention provides a water surface transfer ladder, which includes a hook 1, a ladder beam assembly 2, a ladder beam tube upper section 2a, an adapter 2b, a ladder beam tube lower section 2c, a ladder beam tube lower section seal 2d, a pedal assembly 3, a pedal 3a, a short edge 3b, a lining plate 3c, a first long edge 3d, a second long edge 3e, a sliding sleeve 4, a support assembly 5, a cushion 5a, a support tube 5b, a sleeve 5c, and a limit gasket 6; the circular section of the hook 1 is inserted into an original hole of the upper section 2a of the ladder beam pipe to which the ladder beam assembly 2 belongs, and the symmetrical axis of the hook is coplanar with the axis of the upper section 2a of the ladder beam pipe and the axis of the lower section 2c of the ladder beam pipe; the ladder beam assembly 2 is formed by butting an upper ladder beam pipe section 2a, an adapter 2b, a lower ladder beam pipe section 2c and a lower ladder beam pipe section seal 2 d; the supporting component 5 is assembled by a cushion pad 5a, a supporting tube 5b and a sleeve 5c, wherein the cushion pad 5a is made of metal materials and is wrapped by rubber pads; the support component 5 is sleeved on the lower section 2c of the ladder beam pipe to which the ladder beam component 2 belongs through a sleeve 5c, the axis of the sleeve 5c pipe is coplanar with the axis of the upper section 2a of the ladder beam pipe and the axis of the lower section 2c of the ladder beam pipe, and the relative position of the sleeve 5c on the lower section 2c of the ladder beam pipe is consistent with the external interface; similarly, the sliding sleeve 4 is sleeved on the lower section 2c of the ladder beam pipe to which the ladder beam assembly 2 belongs, and the installation plane of the sliding sleeve 4 connected with the ladder beam assembly 2 is parallel to and connected with the plane of the upper section 2a of the ladder beam pipe and the plane of the lower section 2c of the ladder beam pipe; thereafter, the sliding sleeve 4 is connected with the skateboard assembly; after the assembly process is completed, the water surface transfer ladder is installed at a corresponding position of an airplane cabin door area, and the limiting gasket 6 is pressed into the installation interface to prevent the water surface transfer ladder from rotating. The final assembly result is shown in fig. 1.

The utility model adopts high-strength duralumin 2A12, and has low density and high strength; through multiple strength calculation structure optimization, the weight of the water surface elevator changing structure is not more than 15kg on the basis of bearing 100kg of materials and 2 persons of 77kg respectively.

Preferably, as shown in fig. 1, the hook 1 and the spacing gasket 6 are used to realize the rapid installation and disassembly of the water surface replacing ladder without damaging the existing cabin door area body structure. And simultaneously, the water surface transfer ladder is ensured to be static relative to the seaplane in the use process.

Preferably, the cushion 5a of the support member 5 is in full contact with the outer skin structure of the seaplane under the combined action of the support tube 5b and the sleeve 5c, and the damage to the surface coating of the outer body structure of the seaplane is eliminated on the basis of bearing a certain load.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

The water surface elevator can bear the weight of 100kg of articles and 2 77kg of people;

the water-surface taking ladder is convenient to disassemble and assemble quickly;

the water surface is changed and taken the ladder and can not cause the damage of organism structure in the use.

As right the utility model discloses technical scheme's improvement ensures to transfer the ladder and can bear the basis of rated weight and reduce off-the-shelf weight as far as, constantly optimizes the structure through intensity iterative computation.

As right the utility model discloses technical scheme's improvement, with the help of the regional organism structure of current hatch door, under the prerequisite of not destroying current structure, realize the quick installation in the dismantlement of surface of water transfer ladder on the aircraft.

As right the utility model discloses technical scheme's improvement, the surface of water trades takes advantage of the ladder and chooses organism covering load component, makes the contact surface fully laminate according to its external characteristics to at contact site cladding rubber material, avoid the destruction to organism structure and surface corrosion resistant coating.

Claims

1. A water surface replacing and taking ladder is characterized in that: comprises a hook (1), a ladder beam component (2), a pedal component (3), a sliding sleeve (4) and a supporting component (5); the round section of the hook (1) is inserted into a round hole of the upper section (2a) of the ladder beam pipe to which the ladder beam assembly (2) belongs; the support component (5) is sleeved on the lower section (2c) of the ladder beam pipe to which the ladder beam component (2) belongs through a sleeve (5c), and the pipe axis of the sleeve (5c) is coplanar with the axis of the upper section (2a) of the ladder beam pipe and the axis of the lower section (2c) of the ladder beam pipe; the sliding sleeve (4) is sleeved on the lower section (2c) of the ladder beam pipe to which the ladder beam assembly (2) belongs, and the installation plane where the sliding sleeve (4) is connected with the ladder beam assembly (2) is parallel to and connected with the plane where the axis of the upper section (2a) of the ladder beam pipe and the axis of the lower section (2c) of the ladder beam pipe are located; the sliding sleeve (4) is connected with the pedal component; after the assembly process of the water surface transfer ladder is completed, the water surface transfer ladder is installed at a corresponding position of an airplane cabin door area, and a limiting gasket (6) is pressed into an installation interface to prevent the water surface transfer ladder from rotating.

2. The water surface ride-on ladder of claim 1, wherein: the symmetry axis of the hook (1) is coplanar with the axis of the upper section (2a) of the ladder beam pipe and the axis of the lower section (2c) of the ladder beam pipe.

3. The water surface ride-on ladder of claim 1, wherein: ladder roof beam subassembly (2) are sealed (2d) and are docked by ladder roof beam pipe upper segment (2a), adapter (2b), ladder roof beam pipe hypomere (2c), ladder roof beam pipe hypomere and form.

4. The water surface ride-on ladder of claim 1, wherein: the relative position of the sleeve (5c) on the lower section (2c) of the ladder beam pipe is coordinated with the external interface.

5. The water surface ride-on ladder of claim 1, wherein: the supporting component (5) is assembled by a cushion pad (5a), a supporting tube (5b) and a sleeve (5 c).

6. The water surface ride-on ladder of claim 5, wherein: the buffer pad (5a) is made of metal materials wrapped with rubber pads.