Ferry vehicle

Abstract

The invention relates to the field of ferry vehicles, in particular to a ferry vehicle which comprises a vehicle frame and a carriage movably arranged on the vehicle frame, a lifting driving assembly is arranged between the vehicle frame and the carriage, a folding ladder is hinged to the vehicle frame and the carriage, an upper opening and a lower opening are formed in the bottom face of the carriage, and the top end of the folding ladder is hinged to the ends of the upper opening and the lower opening. An in-out opening is formed in the front end of the compartment, the lifting driving assembly drives the compartment to move upwards, the in-out opening is in butt joint with an airplane cabin door, the lifting driving assembly drives the compartment to move downwards, and the in-out opening is in butt joint with the rear end face of a cab of the frame, so that different use requirements are met, and the functions are more diversified.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of shuttle buses, in particular to a shuttle bus. BACKGROUND

[0002] A shuttle bus is a kind of transportation tool for short-distance transportation in specific scenarios, commonly seen in airports, stations, ports, large parks or scenic areas, etc. Its main function is to provide convenient transfer service for passengers or goods, helping people efficiently transfer between different functional areas or transportation hubs. Its design usually focuses on practicality and flexibility, with various models, including both closed compartments and open platforms, which can be selected according to the use environment. For example, airport shuttle buses are usually large passenger cars that can accommodate more passengers, while scenic area shuttle buses are more compact and convenient for navigating narrow roads. Compared with ordinary buses, shuttle buses have more targeted services, with a relatively clear passenger group. For example, airport shuttle buses mainly serve passengers, while scenic area shuttle buses serve tourists, so the vehicle interior may be equipped with luggage racks, air conditioners, etc. to improve comfort. In addition, shuttle buses usually adopt a circulating departure mode with short intervals, especially during peak hours, to avoid passenger delays.

[0003] An airport shuttle bus is a special transportation tool used for short-distance transfer within an airport, mainly used to connect the terminal with the remote aircraft, solving the problem that passengers cannot directly board the aircraft through the corridor due to insufficient aircraft or model adaptation. Its core functions also include connecting the terminal with the parking lot, the departure floor of the airport with the surrounding stations, etc., which is a key component of the airport ground transportation system. For example, the utility model patent for an airport shuttle bus with the application number CN201720025834.7 has a structure similar to that of a conventional bus, only serving as a basic transportation function, which is single. SUMMARY

[0004] The purpose of the present application is to provide a shuttle bus that aims to improve the problem that the structure of the existing shuttle bus is similar to that of a conventional bus, only serving as a basic transportation function, which is single.

[0005] To achieve the above-mentioned purpose, the following technical solutions are adopted in the present application: A shuttle bus, comprising a vehicle frame and a vehicle compartment movably arranged on the vehicle frame, a lifting drive assembly is arranged between the vehicle frame and the vehicle compartment, and a folding escalator is hingedly connected therebetween, an upper and lower opening is formed in the bottom surface of the vehicle compartment, the top end of the folding escalator is hingedly connected to the end of the upper and lower opening, a sliding adjustment seat is arranged on the vehicle frame, and the bottom end of the folding escalator is hingedly connected to the sliding adjustment seat. A front end of the vehicle compartment is provided with an access opening, the lifting drive assembly drives the vehicle compartment to move upwards, the access opening is docked with the aircraft cabin door, the lifting drive assembly drives the vehicle compartment to move downwards, and the access opening is docked with the rear end surface of the driver's cabin of the vehicle frame.

[0006] Further, the vehicle frame comprises a vehicle frame body and a driver's cabin arranged at the front end of the vehicle frame body, and the rear end surface of the driver's cabin and the front end surface of the vehicle cabin are both circular arc surfaces and have the same circumferential curvature as the boarding gate of the aircraft.

[0007] Further, the bottom of the vehicle frame is provided with telescopic stands on the front and rear sides, and the telescopic stands comprise horizontal telescopic components and vertical telescopic components arranged at the driving ends of the horizontal telescopic components.

[0008] Further, the lifting driving assembly comprises a driving unit and a support connecting rod, the bottom surface of the vehicle cabin is provided with an upper sliding hinged assembly, and the folding stairway and the upper sliding hinged assembly are respectively located at the front and rear ends of the upper and lower openings; the vehicle frame is provided with a lower hinged seat, and the lower hinged seat and the sliding adjusting seat are respectively located at the front and rear sides of the vehicle frame. The support connecting rod is distributed on the two sides of the folding stairway and is connected with the two sides of the folding stairway through a rotating connecting piece, the top end of the support connecting rod is hinged to the upper sliding hinged assembly, and the bottom end of the support connecting rod is hinged to the lower hinged seat.

[0009] Further, the sliding adjusting seat comprises a lower sliding rail and a lower sliding block, the lower sliding block is slidingly arranged in the lower sliding rail, and the bottom end of the folding stairway is hinged to the lower sliding block. The top surface of the lower sliding rail is provided with a plurality of positioning blocks arranged in two rows, the positioning blocks are arranged on the two sides of the lower sliding block, the lower sliding block is provided with a positioning arm, a rotating driving piece is arranged between the positioning arm and the lower sliding block, and the free end of the positioning arm is driven by the rotating driving piece to move towards the gap between the positioning blocks.

[0010] Further, the side surface of the positioning block towards the rear end of the vehicle frame is an inclined surface, and the inclined surface is arranged outwardly inclined from the top end towards the rear end of the vehicle frame.

[0011] Further, a sliding cavity is formed in the lower sliding rail, a sliding channel is formed in the lower sliding rail, the sliding channel is in communication with the sliding cavity, and the positioning blocks are arranged on the two sides of the sliding channel. The lower sliding block is embedded in the sliding cavity, the top end of the lower sliding block passes through the sliding channel and is hinged to the bottom end of the folding stairway, and the bottom sides of the lower sliding block are provided with sliding rollers.

[0012] Further, the folding stairway comprises oppositely arranged side plates and step plates connected between the side plates, the top end of the side plate is hinged to the end of the upper and lower openings, and the bottom of the side plate is hinged to the sliding adjusting seat; the two end surfaces of the step plate are located between the top surface and the bottom surface of the side plate.

[0013] Further, the side plate is provided with a handrail assembly, the handrail assembly comprising a handrail vertical rod and a handrail horizontal rod, the bottom end of the handrail vertical rod being hingedly connected to the side plate, and the top end of the handrail vertical rod being hingedly connected to the handrail horizontal rod.

[0014] Further, the driving unit comprises a telescopic driving rod, the bottom end of the telescopic driving rod being hingedly connected to the frame, and the top end of the telescopic driving rod being hingedly connected to the bottom surface of the step plate at the upper part of the folding escalator.

[0015] After the above technical scheme is adopted, the present application has the following advantages compared with the background art. In the boarding transfer process, the vehicle cabin is arranged on the frame and is butted against the rear end surface of the cab to bear passengers, in the boarding process, the lifting driving assembly drives the vehicle cabin to ascend and butt against the cabin door of the airplane, passengers can directly enter the airplane, at the same time, the folding escalator is connected to the ground and the inside of the vehicle cabin as the vehicle cabin ascends, so as to facilitate passengers on the bottom surface to directly board the airplane; at the same time, after the airplane lands, the folding escalator can replace the boarding escalator to directly accommodate passengers or allow passengers to leave through the upper and lower openings and the folding escalator, so as to meet different use requirements and make the function more diversified. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 is a structural schematic view of the shuttle bus of the present application; Figure 2 Fig. 2 is a structural schematic view of the vehicle cabin in the lifted state of the shuttle bus of the present application; Figure 3 Fig. 3 is a structural schematic view of the frame of the shuttle bus of the present application; Figure 4 Fig. 4 is a structural schematic view of the vehicle cabin in the cross section of the shuttle bus of the present application; Figure 5 Fig. 5 is a partial structural schematic view of the shuttle bus of the present application; Figure 6 Fig. 6 is a partial structural schematic view of the sliding adjusting seat of the shuttle bus of the present application.

[0017] BRIEF DESCRIPTION OF DRAWINGS 1, frame; 11, sliding adjusting seat; 111, lower sliding rail; 1111, sliding cavity; 1112, sliding channel; 112, lower sliding block; 1121, sliding roller; 113, positioning block; 1131, inclined surface; 114, positioning arm; 12, cab; 13, lower hinged seat; 2, vehicle cabin; 21, upper and lower opening; 22, entry and exit opening; 23, upper sliding hinged assembly; 24, vehicle cabin frame body; 25, vehicle cabin shell; 26, fence plate; 261, notch; 27, vehicle door; 3, lifting driving assembly; 31, support connecting rod; 32, connecting handle; 33, connecting rod; 34, telescopic cylinder; 35, telescopic driving rod; 4, folding escalator; 41, side plate; 42, step plate; 43, handrail assembly; 431, handrail vertical pole; 432, handrail horizontal pole; 5, telescopic stand; 51, horizontal telescopic part; 52, vertical telescopic part. DETAILED DESCRIPTION

[0018] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application.

[0019] In addition, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientation or positional relationship shown in the drawings and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements of the present application must have a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] When an element is referred to as "fixed to" or "disposed on" or "provided on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] Unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. EMBODIMENT

[0022] Please refer to Figures 1-6 The present embodiment provides a shuttle bus, which comprises a vehicle frame 1 and a vehicle compartment 2 movably arranged on the vehicle frame 1, a lifting driving assembly 3 arranged between the vehicle frame 1 and the vehicle compartment 2 and hinged with a folding escalator 4, an upper and lower opening 21 formed on the bottom surface of the vehicle compartment 2, the top end of the folding escalator 4 being hinged at the end of the upper and lower opening 21, a sliding adjustment seat 11 arranged on the vehicle frame 1, and the bottom end of the folding escalator 4 being hinged on the sliding adjustment seat 11. A front end of the vehicle compartment 2 is provided with an access opening 22, the lifting driving assembly 3 drives the vehicle compartment 2 to move upwards, the access opening 22 is docked with the cabin door of the airplane, the lifting driving assembly 3 drives the vehicle compartment 2 to move downwards, and the access opening 22 is docked with the rear end surface of the driver's cabin 12 of the vehicle frame 1.

[0023] In the boarding transfer process, the compartment 2 is arranged on the frame 1 and is faced with the rear end of the cab 12 to bear the passengers. In the boarding process, the lifting driving assembly 3 drives the compartment 2 to ascend and is faced with the cabin door of the airplane, so that the passengers can directly enter the airplane. At the same time, the folding stairway 4 is connected with the ground and the inside of the compartment 2 as the compartment 2 ascends, so as to facilitate the passengers on the bottom surface to directly board. At the same time, after the airplane lands, the folding stairway 4 can replace the boarding stairway to directly accommodate the passengers or the passengers can leave through the upper and lower openings 21 and the folding stairway 4, so as to meet different use requirements and make the function more diversified.

[0024] Please refer to Figure 1 and Figure 2 , the frame 1 includes the frame 1 body and the cab 12 arranged at the front end of the frame 1 body. The rear end of the cab 12 and the front end of the compartment 2 are both circular arc curved surfaces and have the same circumferential curvature as the position of the boarding door of the airplane. The curvature of the rear end of the cab 12 is arranged to be the same as the circumferential curvature of the position of the boarding door of the airplane, so that the compartment 2 can stably cover the entrance and exit opening 22 on the cabin door of the airplane or the rear end of the cab 12 in different states, and improve the fitting degree between each other. Further, the rubber buffer sleeve is arranged on the circumferential side of the entrance and exit opening 22. The rubber buffer sleeve buffers the docking process of the compartment 2, avoids the strong collision between the compartment 2 and the airplane or the cab 12, and affects the riding experience of the passengers.

[0025] Please refer to Figures 1-3 , the frame 1 is provided with the telescopic stand 5 on the bottom of the front and rear sides. The telescopic stand 5 includes the horizontal telescopic part 51 and the vertical telescopic part 52 arranged at the driving end of the horizontal telescopic part 51. The horizontal telescopic part 51 drives the vertical telescopic part 52 to extend out in use. The driving end of the vertical telescopic part 52 faces downward and extends downward to abut against the ground in use to support the transfer vehicle. In the embodiment, the telescopic stand 5 is arranged at the rear side of the front wheel and the front side of the rear wheel to form a support structure on the two sides of the frame 1. After the compartment 2 is faced with the cabin door of the airplane, the telescopic stand 5 provides the support force on the two sides of the transfer vehicle to avoid the rollover of the transfer vehicle and affect the safety of the passengers. In the embodiment, the horizontal telescopic part 51 and the vertical telescopic part 52 are conventional structures and will not be described here.

[0026] Please refer to Figure 2 , Figure 5 and Figure 6As shown, specifically, the lifting driving assembly 3 comprises a driving unit and a support connecting rod 31, the bottom surface of the carriage 2 is provided with an upper sliding hinged assembly 23, the folding stair 4 and the upper sliding hinged assembly 23 are respectively located at the front and rear ends of the upper opening 21, the frame 1 is provided with a lower hinged seat 13, the lower hinged seat 13 and the sliding adjusting seat 11 are respectively located at the front and rear sides of the frame 1. The support connecting rod 31 is distributed on both sides of the folding stair 4 and is connected with the folding stair 4 through a rotating connecting piece, the top end of the support connecting rod 31 is hinged on the upper sliding hinged assembly 23, and the bottom end of the support connecting rod 31 is hinged on the lower hinged seat 13. The upper sliding hinged assembly 23 and the sliding adjusting seat 11 are respectively located at the rear ends of the carriage 2 and the frame 1, and the support connecting rod 31 is distributed on both sides of the folding stair 4 and the folding stair 4 in a cross shape, in the lifting process, the front end of the support connecting rod 31 and the front end of the folding stair 4 rotate through the hinge structure, and the rear end of the support connecting rod 31 and the rear end of the folding stair 4 move forward with the rising of the carriage 2. The support connecting rods 31 on both sides support and limit the folding stair 4, so as to ensure that the folding stair 4 maintains a stable state.

[0027] Please refer to Figure 5 As shown, specifically, the rotating connecting piece comprises a connecting handle 32, both ends of the connecting handle 32 are rotatably connected with the side of the folding stair 4 and the support connecting rod 31 on the same side through rotating shafts, the connecting handle 32 connects and supports the support connecting rod 31 and the folding stair 4, without affecting the mutual rotation of the two, so as to improve the stability of the folding stair 4 in use. In the embodiment, a connecting rod 33 is connected between the two support connecting rods 31, the connecting rod 33 is provided with a telescopic cylinder 34, one end of the telescopic cylinder 34 is hinged on the connecting rod 33, and the other end of the telescopic cylinder 34 is hinged on the connecting handle 32, in the unfolded state of the folding stair 4, the telescopic cylinder 34 exerts a pulling force on the connecting handle 32, so as to transmit the pulling force to the folding stair 4 and the support connecting rod 31, and further improve the stability of the folding stair 4 in the unfolded state.

[0028] Please refer to Figure 5 and Figure 6As shown, the sliding adjustment base 11 comprises a lower sliding rail 111 and a lower sliding block 112, the lower sliding block 112 is slidingly arranged in the lower sliding rail 111, and the bottom end of the folding escalator 4 is hinged to the lower sliding block 112. The top surface of the lower sliding rail 111 is provided with a plurality of positioning blocks 113 arranged in two rows, the positioning blocks 113 are arranged on both sides of the lower sliding block 112, the lower sliding block 112 is provided with a positioning arm 114, and a rotary driving member (not shown in the figure) is arranged between the positioning arm 114 and the lower sliding block 112, the rotary driving member drives the free end of the positioning arm 114 to move towards the gap between the positioning blocks 113. In this embodiment, the rotary driving member is a torsion spring, and other components that can drive the end of the positioning arm 114 to move towards the lower sliding rail 111 are also possible. The lower sliding block 112 hingedly supports the end of the folding escalator 4, and the position of the bottom end of the folding escalator 4 is adjusted by the lower sliding rail 111. During the sliding process of the bottom end of the folding escalator 4, the positioning blocks 113 abut against the end of the positioning arm 114, the positioning arm 114 compresses the rotary driving member, so that it passes over the positioning blocks 113, and after the bottom end of the folding escalator 4 stops, the rotary driving member drives the end of the positioning arm 114 to be engaged between the adjacent positioning blocks 113. When the car 2 is lowered, the driving positioning arm 114 compresses the rotary driving member, so that the end of the positioning arm 114 moves above the positioning blocks 113, thereby unlocking the lower sliding block 112. The positioning blocks 113 limit the positioning arm 114 on both sides, thereby fixing the folding escalator 4. In this embodiment, the end of the positioning arm 114 is bent towards the lower sliding rail 111, and the hook-shaped positioning arm 114 can better limit the folding escalator 4.

[0029] Further, the side surface of the positioning block 113 towards the rear end of the vehicle frame 1 is an inclined surface 1131, which is arranged outwardly inclined from the top end towards the rear end of the vehicle frame 1. During the lifting process of the car 2, the inclined surface 1131 guides and gives space to the end of the positioning arm 114, facilitating the positioning arm 114 to pass over the positioning block 113 and enter the gap between the next positioning block 113, thereby improving the position adjustment efficiency.

[0030] The sliding cavity 1111 is arranged in the lower sliding rail 111, and the sliding channel 1112 is arranged in the lower sliding rail 111 and communicates with the sliding cavity 1111. The positioning blocks 113 are arranged on both sides of the sliding channel 1112. The lower sliding block 112 is embedded in the sliding cavity 1111, the top end of the lower sliding block 112 penetrates through the sliding channel 1112 and is hingedly connected to the bottom end of the folding staircase 4, and the bottom end of the lower sliding block 112 is provided with sliding rollers 1121. The sliding rollers 1121 are arranged on both sides of the sliding channel 1112, and the friction between the lower sliding block 112 and the lower sliding rail 111 is reduced through the sliding rollers 1121, so that the position adjustment efficiency of the folding staircase 4 is improved. In the embodiment, the structure of the upper sliding hinge assembly 23 is the same as that of the sliding adjusting seat 11, that is, the upper sliding rail and the upper sliding block, and the structures of the upper sliding rail and the upper sliding block are the same as those of the lower sliding rail 111 and the lower sliding rail 111, respectively, so that the sliding adjustment of the end position of the supporting connecting rod 31 is realized.

[0031] The folding staircase 4 comprises opposite side plates 41 and step plates 42 connected between the side plates 41. The top end of the side plate 41 is hingedly connected to the end of the upper and lower openings 21, and the bottom end of the side plate 41 is hingedly connected to the sliding adjusting seat 11. The two end faces of the step plate 42 are located between the top face and the bottom face of the side plate 41. When the end of the compartment 2 is abutted against the rear end face of the cab 12, the folding staircase 4 tends to be in a horizontal state, the width of the step plate 42 is limited, and the step plate 42 is prevented from protruding from the side plate 41 to affect the fit between the bottom of the compartment 2 and the top of the vehicle frame 1. The side plate 41 is provided with a handrail assembly 43, which comprises a handrail vertical rod 431 and a handrail horizontal rod 432. The bottom end of the handrail vertical rod 431 is hingedly connected to the side plate 41, and the top end of the handrail vertical rod 431 is hingedly connected to the handrail horizontal rod 432. The handrail assembly 43 has a use state and a storage state. In the storage state, the two ends of the handrail vertical rod 431 are in a hinged structure, and the handrail assembly 43 is arranged in the side plate 41, so as to avoid affecting the fit between the bottom of the compartment 2 and the top of the vehicle frame 1. In the use state, the handrail vertical rod 431 is driven to rotate to be perpendicular to the side plate 41, so as to limit the two side areas of the folding staircase 4 and ensure the safety of passengers during the process of getting on and off the staircase.

[0032] In the embodiment, the driving unit comprises a telescopic driving rod 35, the bottom end of the telescopic driving rod 35 is hingedly connected to the vehicle frame 1, and the top end of the telescopic driving rod 35 is hingedly connected to the bottom face of the step plate 42 on the upper part of the folding staircase 4. Specifically, the telescopic driving rod 35 is a telescopic air cylinder 34, and the same is also a telescopic oil cylinder. The inclination angle of the folding staircase 4 is adjusted in the telescopic process of the telescopic driving rod 35, so as to drive the compartment 2 to move in the vertical direction.

[0033] Please refer to Figure 5As shown, in the embodiment, the carriage 2 comprises a carriage frame 24 and a carriage shell 25 fixed on the carriage frame 24, and the side of the carriage shell 25 is provided with a door 27, through which passengers can normally get on and off. Further, the inside of the carriage 2 is provided with a fence plate 26, which is arranged around the periphery of the up-down opening 21. The fence plate 26 is provided with a gap 261 opposite to the access opening 22. Passengers access the up-down opening 21 through the gap 261, and the fence plate 26 shields the periphery of the up-down opening 21, avoiding safety accidents caused by passengers stepping off.

[0034] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A shuttle bus, characterized in that, The vehicle includes a frame and a carriage that is movably mounted on the frame. A lifting drive assembly is provided between the frame and the carriage, and a folding ladder is hinged thereto. The bottom surface of the carriage has upper and lower openings. The top of the folding ladder is hinged to the end of the upper and lower openings. The frame is provided with a sliding adjustment seat, and the bottom of the folding ladder is hinged to the sliding adjustment seat. The front end of the carriage has an entrance / exit opening. The lifting drive assembly drives the carriage upward, and the entrance / exit opening connects with the aircraft cabin door. The lifting drive assembly also drives the carriage downward, and the entrance / exit opening connects with the rear end of the driver's cab of the chassis.

2. The shuttle bus according to claim 1, characterized in that: The chassis includes a chassis body and a cab located at the front end of the chassis body. The rear end face of the cab and the front end face of the cab are both arc surfaces, and have the same circumferential curvature as the boarding door of an aircraft.

3. The shuttle bus according to claim 1, characterized in that: The bottom front and rear sides of the vehicle frame are provided with telescopic uprights, and the telescopic uprights include horizontal telescopic components and vertical telescopic components provided at the drive end of the horizontal telescopic components.

4. The shuttle bus according to claim 1, characterized in that: The lifting drive assembly includes a drive unit and a support connecting rod. The bottom surface of the carriage is provided with an upper sliding hinge assembly. The folding ladder and the upper sliding hinge assembly are located at the front and rear ends of the upper and lower openings, respectively. The frame is provided with a lower hinge seat. The lower hinge seat and the sliding adjustment seat are located at the front and rear sides of the frame, respectively. The supporting connecting rods are distributed on both sides of the folding escalator and are connected to the two sides of the folding escalator by rotating connecting parts. The top end of the supporting connecting rod is hinged to the upper sliding hinge assembly, and the bottom end of the supporting connecting rod is hinged to the lower hinge seat.

5. The shuttle bus according to claim 1, characterized in that: The sliding adjustment seat includes a lower slide rail and a lower slide block. The lower slide block is slidably disposed in the lower slide rail, and the bottom end of the folding escalator is hinged to the lower slide block. The top surface of the lower slide rail is provided with a plurality of positioning blocks arranged in two rows. The positioning blocks are arranged on both sides of the lower slide block. The lower slide block is provided with a positioning arm. A rotary drive is provided between the positioning arm and the lower slide block. The rotary drive drives the free end of the positioning arm to move toward the gap between the positioning blocks.

6. The shuttle bus according to claim 5, characterized in that: The side of the positioning block facing the rear end of the frame is an inclined surface, which is set outward from the top towards the rear end of the frame.

7. The shuttle bus according to claim 5, characterized in that: A sliding cavity is provided inside the lower slide rail, and a sliding channel is provided on the lower slide rail. The sliding channel is connected to the sliding cavity, and the positioning blocks are arranged on both sides of the sliding channel. The lower slider is embedded in the sliding cavity, the top of the lower slider passes through the sliding channel and is hinged to the bottom of the folding escalator, and sliding rollers are provided on both sides of the bottom of the lower slider.

8. The shuttle bus according to claim 4, characterized in that: The folding escalator includes opposing side plates and a step plate connected between the side plates. The top of the side plate is hinged to the end of the upper and lower openings, and the bottom of the side plate is hinged to the sliding adjustment seat. The two end faces of the step plate are located between the top and bottom surfaces of the side plates.

9. The shuttle bus according to claim 8, characterized in that: The side panel is provided with a handrail assembly, which includes a handrail vertical bar and a handrail horizontal bar. The bottom end of the handrail vertical bar is hinged to the side panel, and the top end of the handrail vertical bar is hinged to the handrail horizontal bar.

10. The shuttle bus according to claim 8, characterized in that: The drive unit includes a telescopic drive rod, the bottom end of which is hinged to the frame, and the top end of which is hinged to the bottom surface of the step plate on the upper part of the folding escalator.

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