Boarding bridge with telescopic floor and new type of docking machine

Abstract

The application provides a boarding bridge with telescopic floor docking machine and a novel docking machine mode, and relates to the technical field of boarding bridges, to solve the problem of the inertia of the overall movement of the boarding bridge in the final docking process causing the risk of collision with the airplane. The boarding bridge with telescopic floor docking machine comprises a telescopic floor assembly arranged at the docking port, and the telescopic floor assembly comprises a fixed floor and a telescopic floor. The telescopic floor is telescopically connected with the fixed floor through a sliding mechanism, the telescopic floor can telescopically move relative to the fixed floor to dock with or move away from the airplane, and the telescopic floor can implement the final docking operation after the walking mechanism is controlled to stop moving. The boarding bridge provided by the application only controls the telescopic floor docking machine in the final docking process, and there is no inertia collision risk with the airplane, and the safety and reliability of the final docking can be further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of boarding bridges, in particular to a boarding bridge with a telescopic floor and a new docking mode. BACKGROUND

[0002] A boarding bridge is a closed passageway for passengers and staff to board or disembark from an aircraft, which connects an airport terminal (or a fixed bridge) and an aircraft. According to the structure type, boarding bridges are divided into wheeled boarding bridges, column seat boarding bridges and special type boarding bridges. Wheeled boarding bridges are further divided into rotating boarding bridges and rotating telescopic boarding bridges. According to the driving mode of the boarding bridge, there are the following different driving modes: a hydraulic boarding bridge, in which the horizontal movement and the lifting movement are both driven by hydraulic pressure; an electromechanical boarding bridge, in which the horizontal movement and the lifting movement are both driven by electricity; and a hydraulic-electric hybrid boarding bridge, in which the lifting movement is driven by hydraulic pressure, while the horizontal movement is driven by electricity.

[0003] At present, the wheeled boarding bridges commonly used in civil airports have rotating and telescopic functions, and the assembly and connection of the main components are as shown in Figure 1 The rotating platform 1 is connected to the terminal (or fixed bridge) at one end and to the inner passageway of the movable passageway 2 at the other end. The lifting mechanism 3 is connected and fixed to the outer passageway (both sides) of the movable passageway 2. The docking platform 4 is connected and fixed to the outer passageway of the movable passageway 2. The docking port 5 is connected to the docking platform 4. The canopy 6 is connected and fixed to the docking port 5. The running mechanism 8 is connected and fixed to the lower end of the lifting mechanism 3 and runs on the apron ground 7. The docking platform 4 is a transition platform that connects the docking port 5 and the movable passageway 2. The docking port 5 can rotate left and right along the docking platform 4 so that the docking port 5 faces the aircraft door for docking. The assembly and connection of the above-mentioned main structural components complete the integration of the equipment components, i.e. the formation of the boarding bridge. The boarding bridge and the movable passageway are the main body of the passageway that connects the terminal (or fixed bridge) and the aircraft. The lifting mechanism is operated to achieve the lifting movement, and the running mechanism is operated to pull the movable passageway to achieve the planar rotation movement around the rotating platform 1 column and the telescopic movement of the movable passageway 2.

[0004] The prior art boarding bridge docking port is only provided with a fixed floor, and when performing the docking operation, the walking mechanism of the boarding bridge needs to be controlled by the boarding bridge control system to move on the ground and tow the whole boarding bridge to move forward to the aircraft door to perform the close docking operation and achieve the final docking. When the boarding bridge enters the close docking operation stage and during the close docking process, the control system always performs real-time operation according to the real-time distance information between the front edge of the docking port floor and the aircraft door detected by the laser range finder, and controls the walking mechanism to move forward at a speed of ≤0.1 m / s until the touch stop device in the front edge buffer of the docking port floor stops by touching, that is, the final docking is achieved by the close docking operation. Since the boarding bridge still relies on the walking mechanism to move forward to implement the final docking when it enters the close docking operation stage, the inertia of the whole boarding bridge movement and other factors (for example, the operation level of the operator, the failure of the laser range finder, the interference of the control system, etc.) will inevitably cause the risk of collision of the boarding bridge with the aircraft during the whole final docking operation. SUMMARY

[0005] The application aims to provide a boarding bridge applying a telescopic floor docking mode to solve the problem of the inertia of the whole boarding bridge movement causing the risk of collision with the aircraft during the final docking process in the prior art. The boarding bridge applying the telescopic floor docking mode provided by the application only controls the telescopic floor docking mode during the final docking operation, and there is no inertia of the whole boarding bridge movement caused by the walking mechanism, so there is no risk of inertia collision with the aircraft, and the final docking can be achieved smoothly and safely without the risk of collision, which has a positive effect on promoting safe docking.

[0006] The boarding bridge applying the telescopic floor docking mode provided by the application comprises a telescopic floor assembly arranged in the docking port, the telescopic floor assembly comprises a fixed floor and a telescopic floor, the fixed floor is connected to the fixed structure of the docking port as a whole, the telescopic floor is telescopically connected to the fixed floor through a sliding mechanism, the telescopic floor can be telescopically moved relative to the fixed floor by a driving execution mechanism to dock or withdraw from the aircraft, and the telescopic floor can be used to implement the final docking operation after the walking mechanism is controlled to stop moving.

[0007] As a preferred scheme of the application, the telescopic floor assembly comprises a telescopic floor, a sliding mechanism and a driving execution mechanism, the telescopic floor comprises a buffer protection device, the buffer protection device is arranged on the front side of the telescopic floor facing the docking aircraft through a connecting bracket, one side of the connecting bracket is connected to the buffer protection device, and the other side of the connecting bracket is fixedly connected to the telescopic floor.

[0008] As a preferred scheme of the present application, a laser range finder is arranged on the bottom surface of the front end of the telescopic floor assembly, which is used to detect the real-time distance between the front edge of the telescopic floor and the aircraft door and can provide the starting position information for the telescopic floor to start the final approach operation, and the laser range finder is in communication with the boarding bridge control system, which controls the movement of the walking mechanism to stop immediately when receiving the starting position information for the telescopic floor to start the final approach operation, and the telescopic floor is applied to implement the final approach operation.

[0009] As a preferred scheme of the present application, the buffer protection device is an elastic buffer body in a strip shape, which is arranged along the length direction of the front side edge of the telescopic floor, and the buffer protection device has a hollow structure and is provided with a touch stop device inside, which is used to limit the telescopic floor from excessively pressing the aircraft, and the touch stop device is in communication with the boarding bridge control system, which generates the “touch start” information immediately after being touched and activated when the buffer protection device is pressed by external force to a certain deformation amount, and the boarding bridge control system transmits the “touch start” information to the boarding bridge control system, and then adjusts the pressing degree of the telescopic floor to the aircraft according to the “touch start” information.

[0010] As a preferred scheme of the present application, the touch stop device includes a touch travel switch, a swing arm and a spring steel touch rod, the front end of the swing arm is connected with the spring steel touch rod, the rear end of the swing arm is connected with the touch travel switch, the touch stop device is arranged in the internal cavity of the buffer protection device, and the touch stop device can limit the telescopic floor from being excessively stretched forward to cause excessive pressing to the aircraft.

[0011] As a preferred scheme of the present application, the sliding mechanism is a moving pair, all the moving pairs arranged on the floor bottom surface of the telescopic floor assembly are arranged relatively in parallel, the moving pair includes a sliding guide rail and a sliding block, the sliding block is arranged and installed on the fixed floor bottom surface and is in sliding connection with the sliding guide rail, the telescopic floor is arranged on the fixed floor in an overlapping manner, and the telescopic floor is connected with the sliding guide rail through a connecting support.

[0012] As a preferred scheme of the present application, the connecting support is a groove-shaped member, the upper side edge of the groove-shaped member of the connecting support is fixedly connected with the telescopic floor, the lower side edge of the groove-shaped member of the connecting support is connected with the front end of the sliding guide rail through a transition connecting piece, and the two ends of the transition connecting piece are respectively pivotally connected with the connecting support and the sliding guide rail through shaft pins.

[0013] As a preferred scheme of the present application, the driving execution mechanism is an electric push rod, the electric push rod is arranged in parallel with the sliding guide rail on the floor bottom surface of the telescopic floor assembly, the body connecting end of the electric push rod is pivotally connected with the fixed floor bottom surface through a shaft pin, the push rod connecting end of the electric push rod is connected with a transition connecting piece, and the transition connecting piece is pivotally connected with the lower side of the slot-shaped member of the connecting support and the push rod connecting end of the electric push rod through shaft pins at two ends thereof.

[0014] The present application also provides a novel approach for the telescopic boarding bridge, comprising the following steps:

[0015] The real-time distance between the telescopic floor front and the aircraft door is detected by a laser range finder, and the information of the real-time distance is transmitted to the boarding bridge control system.

[0016] When the actual distance between the telescopic floor front and the aircraft door is ≤1000mm, the boarding bridge enters the close-range docking operation stage, and the boarding bridge control system controls the walking mechanism to run on the ground at a speed of ≤0.1m / s.

[0017] When the actual distance between the telescopic floor front and the aircraft door is ≤200mm, the boarding bridge enters the final docking operation stage, the boarding bridge control system controls the walking mechanism to stop running, the telescopic floor is manually moved relative to the fixed floor, and the telescopic floor is slowly extended towards the aircraft door at a speed of ≤0.03m / s to implement the final docking operation.

[0018] As a preferred scheme of the present application, during the final docking operation, when the buffer protection device is extruded, the maximum extrusion deformation of the radial dimension of the buffer protection device should be ≤30%;

[0019] When the radial deformation of the buffer protection device is ≥20%, the built-in touch stop device is immediately triggered;

[0020] When the touch stop device is triggered, the "touch trigger" information is generated and transmitted to the boarding bridge control system, and the control system controls the "touch stop" operation and the accompanying "corrective adjustment operation" according to the "touch trigger" information, so that the telescopic floor is stopped from extending, and the telescopic floor stroke is slightly adjusted through the "corrective adjustment operation", so that the touch stop device triggered by the touch is corrected to the fully reset state, the extrusion deformation of the buffer protection device is reduced, and the extrusion deformation of the buffer protection device is always less than 20%.

[0021] Compared with the prior art, the present application has the following positive effects:

[0022] The application provides a boarding bridge with telescopic floor for aircraft docking, which comprises a telescopic floor assembly arranged at a docking port, the telescopic floor assembly comprises a fixed floor and a telescopic floor, the fixed floor is connected with a fixed structure of the docking port as a whole, the telescopic floor is telescopically connected with the fixed floor through a sliding mechanism, and the telescopic floor can be telescopically moved relative to the fixed floor to dock with an aircraft or move away from the aircraft through a driving execution mechanism, that is, the telescopic floor is controlled to move forward to dock with the aircraft and to move backward to move away from the aircraft. In addition, the telescopic floor can be controlled to operate to dock with the aircraft after the walking mechanism is controlled to stop moving. In the process of docking with the aircraft, the docking port and the telescopic floor can be rotated left and right along the outer circumference of the docking platform to adjust the docking port to face the cabin door of the aircraft, thereby facilitating smooth docking. The telescopic floor is in a fully retracted state before the operation to dock with the aircraft. The boarding bridge with telescopic floor for aircraft docking can perform three different functions in the operation to dock with the aircraft: first, the operation to dock with the aircraft, that is, when the boarding bridge is in the operation to dock with the aircraft, the telescopic floor is controlled to slowly move forward to the cabin door of the aircraft until the telescopic floor actually contacts the aircraft, thereby realizing smooth and safe docking without collision risk. Second, the reset retraction operation, that is, when the boarding bridge is ready to move away from the aircraft, the telescopic floor is controlled to reset to the fully retracted state. Third, the corrective adjustment operation, that is, when the telescopic floor is in an over-pressed state due to the lifting of the aircraft body or excessive operation of the operator, the telescopic floor is automatically controlled to perform a small-amplitude corrective retraction adjustment to basically eliminate the over-pressing of the aircraft body surface. The boarding bridge with telescopic floor for aircraft docking can only control the telescopic floor to move forward relative to the fixed floor to dock with the aircraft, and there is no inertial effect of the walking mechanism to move the whole boarding bridge during the operation to dock with the aircraft, thereby eliminating the inertial collision risk of the aircraft, and ensuring that the boarding bridge does not have the risk of colliding with the aircraft during the operation to dock with the aircraft, thereby realizing smooth and safe docking without collision risk and promoting safe docking. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without any creative effort.

[0024] Figure 1It is the assembly and connection diagram of main components of the existing rotary telescopic boarding bridge;

[0025] Figure 2 It is the schematic diagram of the principle structure frame of the telescopic floor leaning machine of the application;

[0026] Figure 3 It is the connection structure schematic diagram of the touch stop device in the application;

[0027] Figure 4 It is the connection structure schematic diagram of the electric push rod in the application.

[0028] In the figure: 1, rotating platform; 2, movable channel; 3, lifting mechanism; 4, aircraft docking platform; 5, aircraft docking port; 6, canopy; 7, apron ground; 8, walking mechanism; 91, telescopic floor; 92, fixed floor; 93, moving pair; 931, sliding guide rail; 932, sliding block; 94, connecting bracket; 941, arc-shaped member; 95, transition connecting piece; 96, buffer protection device; 97, touch stop device; 971, spring steel wire touch rod; 972, swing arm; 973, touch travel switch; 98, electric push rod; 981, push rod connecting end; 982, machine body connecting end. DETAILED DESCRIPTION

[0029] In the description of the application, it should be noted that, unless otherwise specified, the meaning of "a plurality of" is two or more; The orientation or positional relationship indicated by the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplification, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the application, it should also be noted that, unless otherwise 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 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. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0031] To clearly describe and understand the relevant content of this invention, the terms used in the directional description are first defined as follows: When an observer stands inside the boarding bridge's arrival platform, the direction facing the arrival gate and close to the arriving aircraft is "front," and conversely, the direction away from the arrival gate is "back."

[0032] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0033] Example 1:

[0034] The boarding bridge provided in this embodiment utilizes a retractable floor-mounted design, such as... Figures 2-4 As shown, a retractable floor assembly is provided at the aircraft docking port 5. The retractable floor assembly includes a fixed floor 92 and a retractable floor 91. The fixed floor 92 is integrally connected to the fixed structure of the aircraft docking port, and the retractable floor 91 is retractably connected to the fixed floor 92 via a sliding mechanism. The retractable floor 91 can retract or extend relative to the fixed floor 92 to dock with or evacuate the aircraft via a drive actuator; that is, the retractable floor 91 can be manipulated to perform the final docking movement and the retracting movement to evacuate the aircraft. Furthermore, the retractable floor 91 can perform the final docking operation after the walking mechanism 8 has been controlled to stop moving.

[0035] In this embodiment, the retractable floor boarding bridge allows for limited left and right rotation of the landing bay and retractable floor along the outer circumference of the landing platform during aircraft docking. This ensures the landing bay is aligned with the aircraft door, facilitating a smooth final docking. In this embodiment, the retractable floor 91 is fully retracted before the final docking operation. This embodiment provides a boarding bridge with three different functional operations during the final docking operation: First, the final docking operation is performed when the boarding bridge is in the final docking phase. The operator can slowly extend the retractable floor 91 towards the aircraft door until it makes actual contact with the aircraft, achieving a smooth, safe, and collision-free final docking. Second, the retraction and reset operation is performed when the boarding bridge finishes its docking service and is ready to be withdrawn. The retractable floor 91 must first be manipulated to return to its fully retracted state. Furthermore, corrective adjustment operations can be implemented. If the retractable floor 91 is in an overextended state due to the aircraft's rise or fall or excessive operation by the operator, the control system can automatically operate the retractable floor 91 to perform a slight correction and retraction adjustment, thereby basically relieving the excessive pressure on the aircraft fuselage.

[0036] The application of the telescopic floor docking bridge provided by the embodiment only needs to control the telescopic floor 91 to move forward relative to the fixed floor 92 to perform the docking operation, and there is no inertial effect of the traction of the walking mechanism 8 on the overall movement of the docking bridge during the final docking operation, and there is no inertial impact risk to the aircraft, thereby ensuring that the telescopic floor docking bridge can finally dock stably and safely without impact risk during the docking operation, and has a positive effect of promoting safe docking.

[0037] Preferably, the telescopic floor assembly includes the telescopic floor 91, and further includes a sliding mechanism and a driving execution mechanism. A buffer protection device 96 is arranged on the front side of the telescopic floor 91 facing the aircraft to be docked to protect the aircraft during the final docking operation of the docking bridge, and the buffer protection device 96 is arranged on the front side of the telescopic floor 91 through a connecting bracket 94. One side of the connecting bracket 94 is connected with the buffer protection device 96, and the other side is connected with the telescopic floor 91. The connecting bracket 94 is used to strengthen the strength and rigidity of the telescopic floor 91, and also used to connect functional components such as the sliding mechanism and the driving execution mechanism.

[0038] Preferably, the buffer protection device 96 is an elastic buffer body in a strip shape, and the buffer protection device 96 has a hollow structure. The strip-shaped elastic buffer body of the buffer protection device 96 is arranged along the length direction of the front side of the telescopic floor 91, and the buffer protection device 96 can cover the front side of the telescopic floor 91.

[0039] Preferably, the buffer protection device 96 is an elastic buffer body in a circular arc shape made of semi-soft material or semi-soft rubber material, and has compressibility and resilience. The elastic buffer body of the buffer protection device 96 in the embodiment is arranged on the front side of the telescopic floor 91, and the outer diameter of the circular arc cross section is about 100 mm. When the buffer protection device 96 is extruded during the final docking process, the maximum extrusion deformation of the radial shape of the circular arc cross section should be ≤30%. The main function of the buffer protection device 96 is to slow down the extrusion of the aircraft fuselage and protect the surface of the aircraft fuselage when the telescopic floor 91 carrying the buffer protection device 96 contacts the aircraft.

[0040] In addition, the elastic buffer body of the buffer protection device can be made of semi-soft material or semi-soft rubber material in a flat plate type, or can be a product made of semi-soft material or semi-soft rubber material.

[0041] Preferably, a laser range finder is arranged on the bottom surface of the front end of the telescopic floor assembly to detect the real-time distance between the front edge of the telescopic floor 91 and the aircraft door. The laser range finder can be arranged on the bottom of the telescopic floor 91 at the boarding gate or on the bottom of the front end of the fixed floor 92. There are at least two sets of laser range finders, all of which are in communication with the boarding bridge control system. The real-time distance information between the front edge of the telescopic floor and the aircraft door detected by the laser range finder can be transmitted to the boarding bridge control system to feedback the "real-time distance" information.

[0042] In addition, the functional element for detecting the real-time distance between the front edge of the telescopic floor and the aircraft door is not limited to a laser range finder, but can also be an ultrasonic range finder with similar functions.

[0043] Preferably, a touch stop device 97 is arranged on the inner side of the buffer protection device 96, which is in communication with the boarding bridge control system. When the buffer protection device is pressed to a certain deformation, the touch stop device 97 will be triggered and immediately generate a "touch start" information which is transmitted to the boarding bridge control system. According to the "touch start" information, the control system immediately controls the telescopic floor 91 to stop moving forward and adjusts the degree of pressing the telescopic floor 91 against the aircraft. The touch stop device 97 can be installed in the buffer body of the buffer protection device 96 or embedded in the buffer body cutout. In this embodiment, the touch stop device 97 is designed to be installed on the radial position of the buffer body of the buffer protection device 96, which has the feature of adjustable arrangement along the radial (front and back) position of the buffer body; and when the radial deformation of the buffer protection device 96 is ≥20%, the built-in touch stop device 97 will be immediately triggered.

[0044] Preferably, the touch stop device 97 comprises a touch travel switch 973, a swing arm 972 and a spring steel touch rod 971, the front end of the swing arm 972 is connected with the spring steel touch rod 971, the rear end of the swing arm 972 is connected with the touch travel switch 973, and the touch stop device 97 is arranged in the internal cavity of the buffer protection device 96. The telescopic floor 91 is fixedly connected with the connecting bracket 94, the buffer protection device 96 made of semi-soft material or semi-soft rubber material is connected with the connecting bracket 94, that is, the buffer protection device 96 is connected with the telescopic floor 91 through the connecting bracket 94. The touch travel switch 973 is fixedly connected with the connecting steel plate specially matched with the touch travel switch 973, and then is adjustably connected with the connecting bracket 94, the swing arm 972 of the touch travel switch is a touch linkage device part of the touch travel switch 973, and the spring steel touch rod 971 driving the swing arm of the touch travel switch is also a touch linkage device part of the touch travel switch 973. When the telescopic floor carrying the buffer protection device 96 is in the final state of leaning against the aircraft, if the buffer protection device 96 is actively extruded from the aircraft and is deformed to extrude the spring steel touch rod 971, the spring steel touch rod 971 extruded is immediately driven to swing the swing arm 972 of the touch travel switch, and the swing of the swing arm 972 also drives the touch travel switch 973 to act, that is, the touch starts the touch stop device 97. The touch stop device 97 started by the touch immediately generates a “touch start” information and sends the “touch start” information to the boarding bridge control system, and the boarding bridge control system adjusts the extrusion degree of the telescopic floor 91 to the aircraft according to the “touch start” information.

[0045] In addition, the touch stop device is not limited to selecting only the electrical element of the travel switch, but can also select the electronic element of the pressure sensor and other equivalent electrical elements or electronic elements.

[0046] Preferably, the sliding mechanism is a moving pair 93, all the moving pairs 93 are arranged in parallel on the bottom surface of the telescopic floor assembly, the moving pair 93 comprises a sliding guide rail 931 and a sliding block 932, the sliding block 932 is arranged and fixed on the bottom surface of the fixed floor 92 and is slidably connected with the sliding guide rail 931, and each set of the moving pair 93 can be provided with a plurality of sliding blocks 932 fixedly arranged on the bottom surface of the fixed floor 92. The telescopic floor 91 is arranged on the fixed floor 92 in an overlapping manner, and the telescopic floor 91 is connected with the sliding guide rail 931 through the connecting bracket 94 and the transition connecting piece 95. The telescopic floor 91 is connected with the fixed floor 92 through the moving pair 93, so that the telescopic floor 91 can move forward and backward relative to the fixed floor 92, and the telescopic floor 91 has sufficient overlapping floor margin for covering part of the fixed floor, and sufficient overlapping floor is always maintained for covering the fixed floor 92 during the telescopic movement of the telescopic floor 91 relative to the fixed floor 92.

[0047] The mobile pair 93 is a movable connection component with small friction resistance, smooth movement and other functional effects. In this embodiment, the "sliding guide rail and sliding block" type of mobile pair is selected, and each set of "sliding guide rail and sliding block" type of mobile pair can be composed of one sliding guide rail 931 and multiple sliding blocks 932. The specifications and models of the "sliding guide rail and sliding block" type of mobile pair should meet the operation requirements and related design configuration requirements of the telescopic floor 91; each set of mobile pair should be configured with a sliding guide rail 931 long enough, and a sufficient number of multiple sliding blocks 932 are configured on the bottom surface of the fixed floor 92.

[0048] Preferably, the connecting bracket 94 is a groove-shaped member, and the upper side of the groove-shaped member of the connecting bracket 94 is fixedly connected with the telescopic floor 91, and the lower side of the groove-shaped member of the connecting bracket 94 is connected with the front end of the sliding guide rail 931 through the transition connecting piece 95, and the two ends of the transition connecting piece 95 are respectively connected with the groove-shaped member of the connecting bracket 94 and the sliding guide rail 931 through the shaft pins. The rear end of the sliding guide rail 931 is movably connected with the multiple sliding blocks 932 arranged on the bottom surface of the fixed floor 92. The transition connecting piece 95 can make the sliding guide rail 931 have a certain degree of deviation correction activity during telescopic movement, avoiding the movement interference between multiple sets of parallel installed and configured mobile pairs 93 due to parallelism error. The sliding guide rail 931 is configured with sufficient length, which can ensure that all sliding blocks 932 of the mobile pair 93 always move relatively on the sliding guide rail 931, and ensure that the telescopic floor 91 can move smoothly and stably. An arc-shaped member 941 is arranged on the front side of the groove-shaped member of the connecting bracket 94, and the groove-shaped member of the connecting bracket 94 and the arc-shaped member 941 are connected as an integrated structure, and the buffer protection device 96 is fixedly connected with the connecting bracket 94 through the arc-shaped member 941.

[0049] In addition, the connecting bracket 94 is not limited to the groove-shaped member and the arc-shaped member connected as an integrated structure, but can also select other forms of structural members or structural components with the same function.

[0050] Preferably, as Figure 4As shown, the telescopic floor 91 is driven to move telescopically relative to the fixed floor 92 by a driving actuator, which is an electric push rod 98 arranged in parallel with the sliding guide rail 931 on the bottom surface of the telescopic floor assembly. The body connecting end 982 of the electric push rod 98 is pivotally connected to the bottom surface of the fixed floor 92 via a shaft pin, and the push rod connecting end 981 of the electric push rod 98 is connected with a transition connecting piece 95, the two ends of which are pivotally connected with the slot-shaped member of the connecting bracket 94 and the push rod connecting end 981 of the electric push rod 98 via shaft pins. The transition connecting piece 95 can provide the electric push rod 98 with a degree of freedom for correction during telescopic movement, so as to avoid movement interference between the multiple sets of parallelly arranged electric push rods 98 and the moving pair 93 due to parallelism error. The electric push rod 98, also known as a linear actuator, is a bidirectional driving actuator and a relatively simple and easy-to-implement electromechanical driving actuator. It mainly comprises a motor, a push rod and a control device, and the linear motion speed of the electric push rod 98 can be selected within a range of 0.01 m / s to 0.03 m / s.

[0051] The electric push rod in the embodiment serves as a driving actuator, which can not only simplify the driving mechanism but also facilitate implementation and practical application control. According to the telescopic movement requirements, load capacity requirements and driving force requirements of the telescopic floor, two sets (or multiple sets) of electric push rods can be selected and arranged to meet the effective driving requirements for smooth telescopic movement. According to the design and arrangement requirements of the driving actuator of the telescopic floor, an electric push rod with a linear motion speed of ≤0.03 m / s and a push rod stroke of ≥400 mm can be selected. The push rod connecting end of the electric push rod is pivotally connected to the telescopic floor via a connecting bracket and a transition connecting piece, and the body connecting end of the electric push rod is pivotally connected to the fixed floor. In this way, the telescopic floor can be controlled to extend towards the aircraft door at a speed of ≤0.03 m / s according to the operation control requirements of the telescopic floor, so as to implement the final approach operation and achieve seamless approach to the aircraft without extrusion.

[0052] In addition, the driving actuator can also have various different options. By reviewing various driving devices of different structures or driving actuators of different motion control modes, other different driving devices can also be considered as the driving actuator of the telescopic floor. For example, a gear and rack type driving actuator, a spring (including a gas spring) and an electric hoist mechanism combination type driving mechanism, a spring (including a gas spring) and an electric push rod combination type driving actuator, etc.

[0053] In addition, the sliding mechanism is not limited to the "sliding guide rail and sliding block" type of movement pair, and other different types of movement pairs can also be selected, such as a specially designed inner and outer sleeve type of steel pipe movement pair, or a "linear bearing and cylindrical sliding guide rail" type of movement pair, and other types of "movement pairs".

[0054] Embodiment 2

[0055] The application of the telescopic floor in the boarding bridge in this embodiment provides a new type of docking mode for the final docking operation, including the following steps: detecting the real-time distance between the front edge of the telescopic floor 91 and the aircraft door by a laser range finder, and transmitting feedback of the "real-time distance" information to the boarding bridge control system. When the actual distance between the front edge of the telescopic floor 91 and the aircraft door reaches ≤1000mm, the boarding bridge enters the close-range docking operation stage, and at this time the boarding bridge control system immediately controls the walking mechanism to walk on the ground at a speed of ≤0.1m / s. Once the boarding bridge enters the close-range docking operation stage and during its operation, its control system always performs real-time calculation based on the "real-time distance" information between the front edge of the telescopic floor 91 and the aircraft door detected by the laser range finder and controls the walking mechanism to walk forward at a speed of 0.1m / s, until the control system receives information or instructions related to the boarding bridge entering the "final docking operation stage", and automatically controls the walking mechanism to stop running.

[0056] As the boarding bridge moves forward in the close-range docking operation stage, when the laser range finder detects that the real-time distance between the front edge of the telescopic floor and the aircraft door reaches ≤200mm, the laser range finder timely transmits feedback of the "real-time distance" information to the boarding bridge control system, and the control system will immediately control the walking mechanism to stop running based on the "real-time distance" information. At this time, the boarding bridge enters the final docking operation stage, and the operator will drive the telescopic floor 91 in the fully retracted state to move forward by the electric push rod 98, and the telescopic floor 91 will slowly extend forward to the aircraft at a speed of ≤0.03m / s to implement the final docking operation, achieving smooth and safe docking of the aircraft without the risk of collision. The maximum stroke of the telescopic floor 91 in this embodiment is 300mm, and the actual working stroke is about 200mm.

[0057] Preferably, the maximum extrusion deformation of the radial dimension of the buffer protection device during the final docking operation should be ≤ 30%; the design of the present application provides that when the radial deformation of the buffer protection device 96 ≥ 20%, the built-in touch stop device 97 is immediately touched and activated, which communicates with the boarding bridge control system; when the touch stop device 97 is touched and activated, it will immediately transmit the feedback "touch activation" information to the boarding bridge control system, and the control system will immediately perform "touch stop" and accompanying "corrective adjustment operation" operation control according to the "touch activation" information, so that the telescopic floor 91 stops extending forward through the "touch stop" operation, and then through the "corrective adjustment operation" to make a small range of contraction adjustment to the telescopic floor 91 stroke, the touch stop device 97 that has been touched and activated is corrected to a fully reset state, the extrusion deformation of the buffer protection device 96 is reduced, and the extrusion deformation of the buffer protection device 96 is controlled to be less than 20%, thereby basically eliminating the extrusion effect on the aircraft fuselage surface.

[0058] The touch stop device communicates with the boarding bridge control system and can transmit feedback "touch activation" information. When the touch stop device in the present embodiment is touched and activated, it can immediately transmit feedback "touch activation" information to the boarding bridge control system, and the boarding bridge control system will immediately perform "touch stop" and accompanying "corrective adjustment operation" operation control according to the "touch activation" information, first implementing "touch stop" priority control on the telescopic floor 91, and then performing accompanying corrective adjustment operation.

[0059] The correction adjustment operation is fully automatically implemented by the bridge control system, and strives to correct the "touch stop device" that has been triggered to a fully reset state through the small amplitude contraction adjustment of the telescopic floor stroke, to reduce the extrusion deformation of the buffer protection device, so as to basically eliminate the extrusion effect on the surface of the aircraft fuselage. The correction adjustment operation control has the following two characteristics: First, the correction adjustment operation after the aircraft fuselage height change triggers the "touch stop device". When the aircraft bridge is in the final docking state, it provides passengers with boarding and alighting services. The aircraft will cause the height of the fuselage to change with the change of the passengers and the change of the load, which will cause the aircraft to actively extrude the buffer protection device in front of the telescopic floor. If the buffer protection device is excessively extruded to a radial deformation of ≥20%, the "touch stop device" will be triggered. After the "touch stop device" is triggered, it will immediately generate a "touch start" information and transmit feedback of the "touch start" information to the bridge control system. According to the "touch start" information, the control system will preferentially execute the "touch stop" control operation and immediately perform the accompanying correction adjustment operation. After the "touch stop device" is triggered, the aircraft is excessively extruded due to the interaction between objects; therefore, the telescopic floor needs to be adjusted through the correction adjustment operation, and the "touch stop device" needs to be corrected to a fully reset state, while reducing the extrusion deformation of the buffer protection device, so as to basically eliminate the extrusion effect on the surface of the aircraft fuselage. Through the correction adjustment operation, the telescopic floor carrying the buffer protection device can avoid being excessively extruded against the surface of the aircraft fuselage for a long time. If the "touch stop device" corrected to a fully reset state is triggered again due to the change of the height of the aircraft fuselage, the control system will automatically implement the "correction adjustment operation" again; in this way, the extrusion deformation of the buffer protection device in the docking state can be guaranteed to be less than 20%. Second, the correction adjustment operation after the "touch stop device" is triggered by the over-manipulation of the telescopic floor. Because the "touch stop device" is installed in the buffer protection device, if the telescopic floor carrying the buffer protection device is excessively stretched towards the aircraft cabin door, it will continuously extrude the buffer protection device, which will cause the "touch stop device" to be triggered when the radial deformation of the buffer protection device is ≥20%, and will immediately generate a "touch start" information and transmit feedback of the "touch start" information to the bridge control system. According to the "touch start" information, the control system will preferentially execute the "touch stop" control operation and immediately perform the accompanying correction adjustment operation. Through the correction adjustment operation, the telescopic floor will correct the "touch stop device" to a fully reset state through the contraction adjustment of the over-stretched stroke, and will reduce the extrusion deformation of the buffer protection device, so as to basically eliminate the extrusion effect on the surface of the aircraft fuselage.

[0060] The function of the touch stop device is to limit the over-manipulation of the telescopic floor before stretching, and to slow down the over-pressing of the aircraft itself when the aircraft actively presses the buffer protection device. The function of the corrective adjustment operation is to avoid the telescopic floor carrying the buffer protection device from over-pressing the aircraft body surface for a long time, and to ensure that the buffer protection device in the landing state is always less than 20% in the pressing deformation amount.

[0061] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make several modifications and improvements without departing from the inventive concept, which should be covered within the protection scope of the present application.

Claims

1. A boarding bridge applying a telescopic floor guide, characterized in that, The telescopic floor assembly comprises a fixed floor (92) and a telescopic floor (91), the fixed floor (92) is connected with the fixed structure of the aircraft docking port as a whole, the telescopic floor (91) is connected with the fixed floor (92) through a sliding mechanism, the telescopic floor (91) can be moved relative to the fixed floor (92) through a driving execution mechanism to approach or move away from the aircraft, and the telescopic floor (91) can be used to implement the final aircraft approaching operation after the walking mechanism (8) is controlled to stop moving; A laser range finder is arranged at the bottom surface of the front end of the telescopic floor assembly, the laser range finder is used to detect the real-time distance between the front edge of the telescopic floor (91) and the aircraft door and can provide starting position information for the telescopic floor to approach the aircraft, the laser range finder is in communication with the boarding bridge control system, when the boarding bridge control system receives the starting position information for the telescopic floor to approach the aircraft sent by the laser range finder, the walking mechanism (8) is immediately controlled to stop moving, and the telescopic floor (91) is used to implement the final aircraft approaching operation; When the actual distance between the front edge of the telescopic floor (91) and the aircraft door is ≤200mm, the boarding bridge enters the final aircraft approaching operation stage, the boarding bridge control system controls the walking mechanism to stop moving, the telescopic floor (91) is manually controlled to move relative to the fixed floor (92) and slowly extend towards the aircraft door at a speed of ≤0.03m / s, and the final aircraft approaching operation is implemented; The telescopic floor (91) comprises a buffer protection device (96), the buffer protection device (96) is arranged on the front side of the telescopic floor (91) facing the aircraft, one side of a connecting support (94) is connected with the buffer protection device (96) and the other side of the connecting support (94) is fixedly connected with the telescopic floor (91). The buffer protection device (96) is a long strip-shaped elastic buffer body arranged along the length direction of the front side edge of the telescopic floor (91). The buffer protection device (96) is a hollow structure and is provided with a touch stop device (97) on the inner side. The touch stop device (97) is used to limit the telescopic floor (91) from excessively pressing the aircraft. The touch stop device (97) communicates with the boarding bridge control system. When the buffer protection device (96) is pressed by external force to cause a certain deformation, the touch stop device (97) is touched and started immediately to generate a "touch start" information and transmit feedback of the "touch start" information to the boarding bridge control system. According to the "touch start" information, the boarding bridge control system immediately performs "touch stop" and accompanying "corrective adjustment operation" operation control, so that the telescopic floor (91) stops forward stretching through the "touch stop" operation; and the telescopic floor (91) is adjusted by a small amplitude through the "corrective adjustment operation", so that the touch stop device (97) touched and started is corrected to a completely reset state.

2. The boarding bridge using a telescopic floor guide according to claim 1, wherein The touch stop device (97) includes a touch travel switch (973), a swing arm (972) and a spring steel wire touch rod (971). The front end of the swing arm (972) is connected with the spring steel wire touch rod (971), and the rear end of the swing arm (972) is connected with the touch travel switch (973). The touch stop device (97) is arranged in the internal cavity of the buffer protection device (96). The touch stop device (97) can limit the telescopic floor (91) from being excessively stretched forward to cause excessive pressing of the aircraft.

3. The telescoping floor-dependent boarding bridge of claim 1, wherein, The sliding mechanism is a moving pair (93). All the moving pairs (93) are arranged in parallel on the bottom surface of the telescopic floor assembly. The moving pair (93) includes a sliding guide rail (931) and a sliding block (932). The sliding block (932) is arranged and installed on the bottom surface of the fixed floor (92) and is in sliding connection with the sliding guide rail (931). The telescopic floor (91) is arranged on the fixed floor (92) in an overlapping manner. The telescopic floor (91) is connected with the sliding guide rail (931) through a connecting support (94).

4. The telescoping floor-dependent boarding bridge of claim 3, wherein, The connecting support (94) is a groove-shaped member. The upper side edge of the groove-shaped member of the connecting support (94) is fixedly connected with the telescopic floor (91). The lower side edge of the groove-shaped member of the connecting support (94) is connected with the front end of the sliding guide rail (931) through a transition connecting piece (95). The two ends of the transition connecting piece (95) are respectively pivotally connected with the connecting support (94) and the sliding guide rail (931) through shaft pins.

5. The telescoping floor-dependent boarding bridge of claim 3, wherein, The driving executive mechanism is an electric push rod (98), which is arranged in parallel with the sliding guide rail (931) on the bottom surface of the telescopic floor assembly, the body connecting end (982) of the electric push rod (98) is connected with the bottom surface of the fixed floor (92) through a pivot pin, the push rod connecting end (981) of the electric push rod (98) is connected with a transition connecting piece (95), and the two ends of the transition connecting piece (95) are connected with the lower side of the slot-shaped member of the connecting support (94) and the push rod connecting end (981) of the electric push rod (98) through pivot pins.

6. A novel method for retracting a boarding bridge using a retractable floor boarding machine according to any one of claims 1 to 5, characterized in that, The method comprises the following steps: The real-time distance between the front edge of the telescopic floor (91) and the aircraft door is detected by a laser range finder, and the information of the real-time distance is transmitted to the boarding bridge control system; When the actual distance between the front edge of the telescopic floor (91) and the aircraft door is ≤1000mm, the boarding bridge enters the close-range docking operation stage, and the speed of the walking mechanism controlled by the boarding bridge control system on the ground is ≤0.1m / s; When the actual distance between the front edge of the telescopic floor (91) and the aircraft door is ≤200mm, the boarding bridge enters the final docking operation stage, the walking mechanism is stopped by the boarding bridge control system, the telescopic floor (91) is manually moved relative to the fixed floor (92), and the telescopic floor (91) is slowly extended towards the aircraft door at a speed of ≤0.03m / s to implement the final docking operation; During the final docking operation, when the radial deformation of the buffer protection device (96) is ≥20%, the built-in touch stop device (97) is started; when the touch stop device (97) is started, the "touch start" information is generated and transmitted to the boarding bridge control system, and the control system immediately performs the "touch stop" and the accompanying "corrective adjustment operation" operation control according to the "touch start" information, so that the telescopic floor (91) is stopped by the "touch stop" operation; and the telescopic floor (91) is adjusted by the "corrective adjustment operation" to a small amplitude, so that the touch stop device (97) that has been started is corrected to a completely reset state.

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