Boarding ladder for passenger plane

Abstract

The utility model discloses a boarding ladder for a passenger plane. The boarding ladder comprises a base; the fixed ladder frame is obliquely arranged above the base; the movable ladder assembly and the fixed ladder assembly are in the same length direction, and the movable ladder assembly slides on the fixed ladder assembly in the length direction of the movable ladder assembly; the boarding frame is horizontally arranged and is fixedly connected with one end of the movable ladder frame; the translation assembly is arranged between the fixed ladder assembly and the base, the output end of the translation assembly is connected with the movable ladder assembly, and the moving direction of the output end of the translation assembly is parallel to the length direction of the fixed ladder assembly. Compared with the prior art, the movable ladder assembly is driven by the translation assembly to slide on the fixed ladder assembly in the length direction of the movable ladder assembly, the boarding height can be adjusted to meet the height requirements of cabin doors of different airplanes, meanwhile, the length of the movable ladder assembly can be flexibly adjusted, and the occupied space during storage is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to boarding ladder technical field especially is boarding ladder for passenger plane. BACKGROUND

[0002] Boarding ladder is the main channel for boarding personnel to enter and exit the airplane as the airplane approaching device.

[0003] Passengers need to adjust the height of boarding ladder when getting on and off the airplane because of the different heights of different airplane doors, based on this, the prior art, such as the Chinese utility model patent with the announcement number CN218578036U discloses a passenger boarding ladder automatic lifting device, which can drive the boarding ladder to move up and down through the electric hydraulic cylinder, adjust the height position, make it as the transition device between the airplane door and the auxiliary ladder, and facilitate passengers to get on and off the airplane.

[0004] However, in the above-mentioned boarding ladder, only the electric hydraulic cylinder is used to push the boarding ladder to move up and down, when the electric hydraulic cylinder drives the boarding ladder to move up and down with too large or too small amplitude, it will lead to too large height difference between the lower end of the boarding ladder and the higher end of the auxiliary ladder, increase the boarding safety hazard; not only that, the length size of the above-mentioned boarding ladder is too large, the occupied space is too large, and it is not easy to store; in addition, the bearing surface of the boarding ladder and the auxiliary ladder is smooth, which further increases the boarding safety hazard; in addition, according to the content of the specification attached Figure 1 to the above-mentioned patent, although the bottom support is additionally provided with a roller to facilitate movement, but at the same time, it is not useful for locking the position of the boarding ladder, which leads to the possibility of position deviation of the boarding ladder in the use process, further increases the safety hazard.

[0005] Therefore, it is necessary to improve the boarding ladder in the prior art. UTILITY MODEL CONTENT

[0006] The utility model aims at overcoming the defects in the prior art, and provides a boarding ladder for passenger plane which is safe and convenient to use, and is convenient to adjust the length size, store and stretch.

[0007] In order to realize the above technical effects, the technical scheme of the utility model is as follows: a boarding ladder for passenger plane, comprising:

[0008] A base is horizontally arranged;

[0009] A fixed ladder frame is arranged above the base;

[0010] A movable ladder frame is arranged in the same length direction as the fixed ladder frame, and slides along the length direction of itself on the fixed ladder frame;

[0011] A boarding rack horizontally arranged and fixedly connected with one end of the movable ladder frame;

[0012] A translation assembly arranged between the fixed ladder frame and the base, with an output end connected with the movable ladder frame, and the moving direction of the output end of the translation assembly being parallel to the length direction of the fixed ladder frame.

[0013] Preferably, in order to further facilitate extension and storage, the fixed ladder frame is of a hollow structure, with one end fixedly connected with the base and the other end open and adjacent to the movable ladder frame, and the end of the movable ladder frame away from the boarding rack being arranged in the fixed ladder frame.

[0014] Preferably, in order to ensure safe boarding, the fixed ladder frame comprises a fixed inclined plate fixedly connected with the base and fixed guardrails arranged on both sides of the top surface of the fixed inclined plate, the movable ladder frame comprises a movable inclined plate corresponding to the fixed inclined plate and movable guardrails arranged on both sides of the top surface of the movable inclined plate and corresponding to the fixed guardrails, and the boarding rack comprises a boarding flat plate horizontally fixedly connected with the movable inclined plate and boarding guardrails arranged on both sides of the boarding flat plate and fixedly connected with the movable guardrails.

[0015] Preferably, in order to further realize safe boarding, the fixed inclined plate is provided with fixed steps arranged and connected in sequence along the length direction of the fixed ladder frame, and the movable inclined plate is provided with movable steps arranged and connected in sequence along the length direction of the movable ladder frame.

[0016] Preferably, in order to avoid passenger's foot sliding during boarding, the top surface of the fixed steps, the top surface of the movable steps and the top surface of the boarding flat plate are all provided with anti-skid patterns.

[0017] Preferably, in order to realize smooth movement of the movable steps, the translation assembly comprises a translation unit and a guide unit, the output end of the translation unit is fixedly connected with the movable ladder frame, the guide unit comprises a guide sleeve and a guide rod sliding in the inside of the guide sleeve and extending along the length direction of the fixed ladder frame, and one of the guide sleeve and the guide rod is connected with the fixed ladder frame and the other is connected with the movable ladder frame.

[0018] Preferably, in order to reduce the friction when the movable ladder frame moves and ensure stable movement of the movable ladder frame, a plurality of rolling members are rotatably arranged on the circumferential side wall of the guide sleeve and abuttingly connected with the circumferential outer edge of the guide rod, and the rotation axis of the rolling members is perpendicular to the length direction of the guide rod.

[0019] Preferably, in order to increase the structural stability of the fixed ladder frame, the base and the open end of the fixed ladder frame are fixedly connected through a reinforcing support.

[0020] Preferably, in order to facilitate the mobile handling of the equipment, a jacking assembly is further included, which is used to lift the base off the ground.

[0021] Preferably, in order to facilitate the mobile handling and position fixing of the equipment, the jacking assembly includes a lifting unit connected with the base, and the output end of the lifting unit is provided with a rolling wheel.

[0022] In summary, compared with the prior art, the boarding ladder for passenger aircraft of the present application can realize the adjustment of boarding height to meet the requirements of different aircraft door heights, and can also flexibly adjust the length size, thereby reducing the occupied space during storage. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic diagram of the present application;

[0024] Figure 2 is a structural schematic diagram of another use form of the present application;

[0025] Figure 3 is Figure 2 a cross-sectional structural schematic diagram;

[0026] Figure 4 is Figure 3 a front view;

[0027] Figure 5 is Figure 2 an exploded schematic diagram;

[0028] Figure 6 is an exploded schematic diagram of the connecting structure of the movable ladder stand and the boarding stand of the present application;

[0029] Figure 7 is a connecting structure schematic diagram of the base and the fixed ladder stand of the present application;

[0030] Figure 8 is Figure 7 an exploded schematic diagram;

[0031] Figure 9 is a structural schematic diagram of the fixed ladder stand of the present application;

[0032] Figure 10 is a structural schematic diagram of another use state of the base of the present application;

[0033] In the diagram: 1. Base; 11. Opening; 12. Guide rod; 2. Fixed ladder frame; 21. Fixed inclined plate; 22. Fixed guardrail; 23. Fixed step; 3. Movable ladder frame; 31. Movable inclined plate; 32. Movable guardrail; 33. Movable step; 34. Connecting plate; 4. Boarding rack; 41. Boarding board; 42. Boarding guardrail; 5. Translation assembly; 51. Translation unit; 52. Guide sleeve; 53. Guide rod; 54. Rolling element; 6. Anti-slip texture; 7. Reinforcing bracket; 8. Lifting assembly; 81. Lifting unit; 82. Roller; 83. Lifting frame; 831. Guide hole. Detailed Implementation

[0034] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0035] like Figures 1-10 As shown, the passenger aircraft boarding ladder of this utility model includes:

[0036] Base 1, base 1 is set horizontally;

[0037] Fixed ladder 2 is inclinedly set above base 1;

[0038] Movable ladder 3, which is in the same length direction as fixed ladder 2 and slides on fixed ladder 2 along its own length direction;

[0039] Boarding rack 4 is horizontally positioned and fixedly connected to one end of movable ladder 3;

[0040] Translation component 5 is disposed between the fixed ladder frame 2 and the base 1, and its output end is connected to the movable ladder frame 3. The moving direction of the output end of the translation component 5 is parallel to the length direction of the fixed ladder frame 2.

[0041] In this invention, the base 1 is a rectangular plate structure. An inclined fixed ladder 2 is fixed above the base 1. One end of the fixed ladder 2 is fixedly connected to the base 1, and the other end is suspended above the base 1 and slidably connected to a movable ladder 3 of the same length as the fixed ladder 2. The movable ladder 3 can be moved by a translation component 5, which in turn moves the boarding rack 4 fixedly connected to the movable ladder 3. Since both the fixed ladder 2 and the movable ladder 3 are inclined and slidably connected, the height of the boarding rack 4 and the horizontal distance between the boarding rack 4 and the fixed ladder 2 can be adjusted simultaneously while the movable ladder 3 is moving, thereby adjusting the overall length of the device. Figure 1 and Figure 2 As shown, the movable ladder 3 and boarding rack 4 can be adjusted to different height positions, thereby flexibly adjusting the size, facilitating use and storage, and reducing the space occupied.

[0042] Further improvement is that the fixed ladder frame 2 is a hollow structure, one end of which is fixedly connected with the base 1, and the other end of which is provided with an opening and is adjacent to the movable ladder frame 3, and the end of the movable ladder frame 3 away from the boarding frame 4 is arranged in the fixed ladder frame 2.

[0043] After adopting the structure, part of the movable ladder frame 3 can be accommodated in the inner cavity of the fixed ladder frame 2, and the movable ladder frame 3 is conveniently moved through the translation assembly 5, so that the structure is more compact; and the movable ladder frame 3 is adjacent to the open end of the fixed ladder frame 2, which reduces the distance between the open end of the fixed ladder frame 2 (i.e. the end suspended above the base 1) and the movable ladder frame 3, thereby ensuring the safety of passengers getting on and off the plane and avoiding the risk of falling due to too large distance.

[0044] Further improvement is that the fixed ladder frame 2 includes a fixed inclined plate 21 fixedly connected with the base 1 and fixed guardrails 22 arranged on both sides of the top surface of the fixed inclined plate 21, the movable ladder frame 3 includes a movable inclined plate 31 corresponding to the fixed inclined plate 21 and movable guardrails 32 arranged on both sides of the top surface of the movable inclined plate 31 and corresponding to the fixed guardrails 22, and the boarding frame 4 includes a boarding flat plate 41 horizontally fixedly connected with the movable inclined plate 31 and boarding guardrails 42 arranged on both sides of the boarding flat plate 41 and fixedly connected with the movable guardrails 32.

[0045] After adopting the above structure, the cross sections of the fixed ladder frame 2, the movable ladder frame 3 and the boarding frame 4 are all U-shaped structures, and the fixed guardrails 22 on both sides of the fixed inclined plate 21, the movable guardrails 32 on both sides of the movable inclined plate 31 and the boarding guardrails 42 on both sides of the boarding flat plate 41 can all form protective fences on both sides of the boarding channel, preventing passengers from falling from both sides during getting on and off the plane and ensuring boarding safety.

[0046] Further improvement is that the fixed inclined plate 21 is provided with fixed steps 23 arranged and connected in sequence along the length direction of the fixed ladder frame 2, and the movable inclined plate 31 is provided with movable steps 33 arranged and connected in sequence along the length direction of the movable ladder frame 3. Through the fixed steps 23 and the movable steps 33, passengers can conveniently get on and off the plane safely.

[0047] Further improvement is that the top surface of the fixed steps 23, the top surface of the movable steps 33 and the top surface of the boarding flat plate 41 are all provided with anti-skid lines 6.

[0048] By arranging the anti-skid lines 6, the surface roughness of the top surface of the fixed steps 23, the top surface of the movable steps 33 and the top surface of the boarding flat plate 41 can be increased, thereby preventing passengers from slipping and falling during getting on and off the plane.

[0049] Further improvement is that the open end of the fixed ladder frame 2 and the base 1 are fixedly connected through a reinforcing support 7.

[0050] The reinforcing support 7 is a closed loop frame structure, the bottom end of which is fixed above the base 1, and the top end is fixedly connected with the bottom surface of the fixed inclined plate 21 corresponding to the open end of the fixed ladder stand 2, so as to support the fixed ladder stand 2 and ensure the structural stability of the device.

[0051] Further improvement is that the translation assembly 5 comprises a translation unit 51 and a guide unit, the output end of the translation unit 51 is fixedly connected with the movable ladder stand 3, and the guide unit comprises a guide sleeve 52 and a guide rod 53 slidingly arranged inside the guide sleeve 52 and extending along the length direction of the fixed ladder stand 2, one of the guide sleeve 52 and the guide rod 53 is connected with the fixed ladder stand 2, and the other is connected with the movable ladder stand 3.

[0052] In the utility model, the translation unit 51 can be selected from a range including but not limited to a translation oil cylinder and a translation electric push rod, the shell of the translation unit 51 is fixed below the fixed inclined plate 21, a connecting plate 34 is fixedly connected with the piston rod, the connecting plate 34 is fixed below the movable inclined plate 31, one end of the guide rod 53 is fixedly connected with the connecting plate 34 and slidingly arranged inside the guide sleeve 52, and the guide sleeve 52 is fixed below the inner side top wall of the reinforcing support 7, after the above structure is adopted, the translation unit 51 is used as a driving source, the guide sleeve 52 and the guide rod 53 are used to guide the length direction of the movable ladder stand 3, and the movable ladder stand 3 can stably slide on the fixed ladder stand 2 along the length direction of the movable ladder stand 3 during the operation of the translation unit 51.

[0053] Further improvement is that a plurality of rolling elements 54 are rotatably arranged on the circumferential side wall of the guide sleeve 52 and abutingly connected with the circumferential outer edge of the guide rod 53, and the rotation axis of the rolling element 54 is perpendicular to the length direction of the guide rod 53.

[0054] Specifically, in the utility model, the cross section of the guide sleeve 52 is a square frame, a through hole is arranged on each side wall of the guide sleeve 52, the rolling element 54 is a rolling wheel rotatably arranged inside the through hole, the axis of the rolling element 54 is consistent with the width direction of the side wall corresponding to the through hole, the cross section of the guide rod 53 is a square, and the circumferential outer edge of the guide rod 53 abuts with the wheel surface of the rolling element 54. After the above structure is adopted, when the translation unit 51 drives the movable ladder stand 3 to move, the guide rod 53 moves between the rolling elements 54 on the four sides, the rolling element 54 is a rolling wheel, the circumferential outer edge abuts with the side surface of the guide rod 53, so that the guide rod 53 and the movable ladder stand 3 are stably moved, and the frictional force suffered by the guide rod 53 during movement is reduced.

[0055] Further improvement is that the utility model also comprises a jacking assembly 8, the jacking assembly 8 is used for supporting the base 1 to be separated from the ground, the jacking assembly 8 comprises a lifting unit 81 connected with the base 1, and a plurality of rollers 82 are arranged on the output end of the lifting unit 81.

[0056] Specifically, the lifting unit 81 includes two hydraulic cylinders arranged below the fixed inclined plate 21 and distributed along the width direction of the base 1, the cylinder barrels of the hydraulic cylinders are fixed to the lower side of the fixed inclined plate 21, the piston rods extend downward and are fixed with the lifting frame 83, the lifting frame 83 is a rectangular frame, and rollers 82 are arranged below the four corners of the lifting frame 83; four guide holes 831 are further arranged on the lifting frame 83, four guide rods 12 are fixed on the base 1 and extend in the vertical direction and slide with the guide holes 831 one by one, and the guide rods 12 are fixedly connected in pairs to form two U-shaped structures; four openings 11 are further arranged on the base 1, and the four rollers 82 are arranged in the four openings 11 one by one, and the openings 11 and the guide holes 831 are both through holes.

[0057] After the above structure is adopted, the hydraulic cylinders in the translation unit 51 can drive the lifting frame 83 to move stably in the vertical direction under the sliding cooperation of the guide holes 831 and the guide rods 12, so as to adjust the height position of the rollers 82, and further adjust the relative height position of the rollers 82 and the base 1, and specifically, as shown in Figure 1 and Figure 2 the rollers 82 are lifted upward by the hydraulic cylinders, so that the bottom surface of the base 1 is in contact with the ground, the base 1 is conveniently locked, the position of the device is ensured not to be deviated during boarding, and the safety of the passenger boarding is ensured; after the boarding is completed, the lifting frame 83 is driven downward by the hydraulic cylinders, so that the rollers 82 are in contact with the ground at the same time, and the base 1 is lifted to be separated from the ground, as shown in Figure 10 the rollers 82 are convenient for the movement of the device.

[0058] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, some improvements and decorations can be made, and these improvements and decorations should also be regarded as the protection scope of the present application.

Claims

1. A boarding bridge for a passenger aircraft, characterized in that The utility model relates to a kind of aircraft boarding device, including: Base (1), the base (1) is horizontally arranged; Fixed ladder stand (2), the fixed ladder stand (2) is obliquely arranged above the base (1); Movable ladder stand (3), the movable ladder stand (3) is with the fixed ladder stand (2) same length direction and the movable ladder stand (3) is slid on the fixed ladder stand (2) along its length direction; Boarding stand (4), the boarding stand (4) is horizontally arranged and is fixedly connected with one end of the movable ladder stand (3); Translation component (5), the translation component (5) is arranged between the fixed ladder stand (2) and the base (1), output end is connected with the movable ladder stand (3), the output end moving direction of the translation component (5) is parallel with the length direction of the fixed ladder stand (2); The fixed ladder stand (2) is hollow structure, one end is fixedly connected with the base (1), the other end is open and is adjacent to the movable ladder stand (3), and one end of the movable ladder stand (3) away from the boarding stand (4) is arranged in the fixed ladder stand (2); The fixed ladder stand (2) includes fixed inclined plate (21) fixedly connected with the base (1) and fixed guardrail (22) arranged on the top surface of the fixed inclined plate (21) both sides, the movable ladder stand (3) includes movable inclined plate (31) corresponding with the fixed inclined plate (21) and movable guardrail (32) arranged on the top surface of the movable inclined plate (31) both sides and corresponding with the fixed guardrail (22), and the boarding stand (4) includes boarding flat plate (41) horizontally fixedly connected with the movable inclined plate (31) and boarding guardrail (42) arranged on the both sides of the boarding flat plate (41) and fixedly connected with the movable guardrail (32); The cross section of the fixed ladder stand, the movable ladder stand and the boarding stand is all U-shaped structure; It further includes jacking component (8), and the jacking component (8) is used to support the base (1) and lift off the ground; The jacking component (8) includes lifting unit (81) connected with the base (1), and the output end of the lifting unit (81) is provided with a roller (82).

2. The boarding stair for a passenger aircraft as defined in claim 1, characterized in that: The fixed inclined plate (21) is provided with fixed ladder step (23) sequentially distributed and connected along the length direction of the fixed ladder stand (2), and the movable inclined plate (31) is provided with movable ladder step (33) sequentially distributed and connected along the length direction of the movable ladder stand (3).

3. The boarding stair for a passenger aircraft as defined in claim 2, characterized in that: The top surface of the fixed ladder step (23), the top surface of the movable ladder step (33) and the top surface of the boarding flat plate (41) are all provided with anti-skid lines (6).

4. The boarding stair for a passenger aircraft as defined in claim 1, characterized in that: The translation component (5) includes translation unit (51) and guide unit, the output end of the translation unit (51) is fixedly connected with the movable ladder stand (3), the guide unit includes guide sleeve (52) and guide rod (53) slid inside the guide sleeve (52) and extends along the length direction of the fixed ladder stand (2), one of the guide sleeve (52) and the guide rod (53) is connected with the fixed ladder stand (2), and the other is connected with the movable ladder stand (3).

5. The boarding stair for a passenger aircraft as defined in claim 4, characterized in that: A rolling part (54) is rotatably arranged on the circumferential side wall of the guide sleeve (52) and is in abutting connection with the circumferential outer edge of the guide rod (53), and the rotation axis of the rolling part (54) is perpendicular to the length direction of the guide rod (53).

6. The boarding stair for a passenger aircraft as defined in claim 1, characterized in that: The open end of the base (1) and the fixed ladder stand (2) are fixedly connected through a reinforcing support (7).

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