Passenger airstairs

Abstract

The utility model discloses a passenger boarding ladder which comprises a passenger ladder vehicle, a boarding ladder is installed on the passenger ladder vehicle, and hydraulic supporting devices are installed on the periphery of the passenger ladder vehicle. The stable and safe boarding environment is provided through the installed hydraulic supporting device, when the hydraulic cylinder drives the supporting base to make contact with the ground, the T-shaped sliding block slides in the T-shaped sliding groove, then the L-shaped pulling plate synchronously pulls the supporting base to ascend and descend, the stable ascending and descending effect can be achieved for the supporting base, and the boarding safety is improved. In addition, when the hydraulic cylinder ascends and descends, a supporting rod and an auxiliary rod pull a circular side plate to the outer side, the supporting area of the supporting base is increased, the stable supporting effect of the boarding ladder is further improved, space is saved, rainwater can be leaked into a water guiding groove through an arranged mesh plate, and therefore the stability of the boarding ladder is improved. And the rainwater is quickly drained through the drainage holes, so that the flowing rainwater is prevented from falling down along the stair layer and easily wetting shoes and trouser legs of passengers.

Description

TECHNICAL FIELD

[0001] The utility model relates to boarding bridge technical field, concretely is a passenger boarding bridge. BACKGROUND

[0002] Boarding bridge is a kind of equipment for helping passenger or crew to get on and off the plane, it is usually divided into two types: ordinary boarding bridge and built-in boarding bridge, wherein ordinary boarding bridge is usually stored on the ground, after aircraft attendance or return, it is moved to the lower side of the aircraft by ground service personnel, and is fixed with the aircraft body.

[0003] The prior art discloses a boarding bridge structure, including platform frame, support frame, bottom plate and two groups of supporting mechanisms, the end face of bottom plate has four thread grooves, thread groove is provided with screw rod fixer, supporting mechanism includes two belt linkages, two large gears, pinion and mounting frame, two belt linkages are respectively connected with corresponding large gear transmission, two belt linkages are also respectively connected with bottom plate fixed connection, and screw rod fixer is threadedly connected with corresponding belt linkage.

[0004] The above technical scheme is supported on the ground by rotating the screw rod fixer in four directions, but the stability of support by screw rod fixer only is not ideal, in addition, when the above boarding bridge needs to be moved, several ground service personnel need to carry, and it is more laborious to move. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a passenger boarding bridge to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a passenger boarding bridge, including passenger elevator car, the passenger elevator car is installed with boarding bridge, and the passenger elevator car is installed with hydraulic support device around.

[0007] The hydraulic support device includes sleeve, T-shaped sliding slot is equidistantly formed on the outer surface of the sleeve, T-shaped sliding block is slidably connected in the T-shaped sliding slot, annular sliding frame is fixedly connected to the outer side of the T-shaped sliding block, the inner wall of the annular sliding frame is slidably connected with the outer wall of the sleeve, L-shaped pull plate is arranged on the outer surface of the annular sliding frame through connecting piece, support rod is movably connected between the adjacent two L-shaped pull plates on the outer surface of the annular sliding frame, circular side plate is movably connected to the bottom side of the support rod through connecting piece, antiskid pad is arranged on the bottom side of the circular side plate, and auxiliary rod is movably connected to the inner side of the support rod and the lower outer surface of the sleeve.

[0008] In the technical scheme, when the hydraulic cylinder drives the supporting base to contact the ground, the T-shaped sliding block slides in the T-shaped sliding groove, and then the L-shaped pull plate synchronously pulls the supporting base to ascend and descend, so that the stable ascending and descending effect of the supporting base is provided, and damage caused by pressure borne by the hydraulic cylinder is relieved, and the supporting rods and the auxiliary rods pull the circular side plate outward when the hydraulic cylinder ascends and descends, so that the supporting area of the supporting base is increased, and the stability of the boarding ladder support is further improved.

[0009] As a further preferred aspect of the technical scheme, the boarding ladder is provided with the hydraulic cylinders around the boarding ladder, and the supporting bases are arranged at the output ends of the hydraulic cylinders.

[0010] In the technical scheme, the hydraulic cylinder can drive the supporting base to support the ground, and a stable and safe boarding environment is provided.

[0011] As a further preferred aspect of the technical scheme, the sleeve is arranged outside the hydraulic cylinder, and the L-shaped pull plate is connected to the supporting base at the bottom side of the L-shaped pull plate.

[0012] As a further preferred aspect of the technical scheme, the supporting base is provided with the arc-shaped grooves around the supporting base, and the arc-shaped grooves accommodate the circular side plate.

[0013] In the technical scheme, when the supporting base does not support the ground, the circular side plate can be accommodated in the arc-shaped grooves around the supporting base, and space is saved.

[0014] As a further preferred aspect of the technical scheme, the boarding ladder comprises a boarding ladder frame, the boarding platform is arranged at the upper end of the boarding ladder frame, the boarding platform is connected to the cabin door of the airplane, and the drainage holes are arranged at the front end and the rear end of the boarding ladder frame.

[0015] In the technical scheme, the drainage holes can drain rainwater from both sides of the boarding ladder, so that the flowing rainwater does not fall along the stair layers and easily wet the shoes and trousers of passengers.

[0016] As a further preferred aspect of the technical scheme, the stair layers are arranged inside the boarding ladder frame, a plurality of the stair layers are arranged, the water guide grooves are arranged at the upper ends of the stair layers, the positioning holes are arranged around the stair layers, and the water guide grooves are aligned with the drainage holes.

[0017] In the technical scheme, the positioning holes and the positioning rods can be used to install the mounting frame, so that the internal foreign matters and impurities are conveniently combed.

[0018] As a further preferred aspect of the technical scheme, the positioning rods are inserted into the positioning holes, the mounting frame is fixedly connected to the top side of the positioning rod, the mesh plate is arranged at the hollow part of one side of the mounting frame, and the anti-skid rubber strip is arranged at the edge of the other side of the mounting frame.

[0019] In the technical scheme, the mesh plate can seep rainwater into the water guide groove and quickly discharge the rainwater through the water discharge hole, and the anti-skid rubber strip can reduce the phenomenon of passengers slipping and falling when boarding the plane.

[0020] The passenger boarding ladder has the following beneficial effects:

[0021] (1) When the boarding ladder is connected with the cabin door of the plane, the hydraulic supporting device provides a stable and safe boarding environment, when the hydraulic cylinder drives the supporting base to contact the ground, the T-shaped sliding block slides in the T-shaped sliding groove, and then the L-shaped pull plate synchronously pulls the supporting base to ascend and descend, which can provide stable ascending and descending effect of the supporting base, thereby relieving the damage caused by the pressure borne by the hydraulic cylinder, and in addition, the supporting rod and the auxiliary rod pull the circular side plate outward while the hydraulic cylinder ascends and descends, which increases the supporting area of the supporting base and further improves the stability of the boarding ladder.

[0022] (2) The anti-skid rubber strip arranged on the stair layer of the boarding ladder can reduce the phenomenon of passengers slipping and falling when boarding the plane, the mesh plate can seep rainwater into the water guide groove and quickly discharge the rainwater through the water discharge hole, the flowing rainwater is prevented from falling along the stair layer and wetting the shoes and trousers of passengers, and the positioning hole and the positioning rod can be used for installing the mounting frame, and the internal foreign matters and impurities can be conveniently combed. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic structural view of the whole utility model;

[0024] Figure 2 It is a schematic structural view of the boarding ladder of the utility model;

[0025] Figure 3 It is a schematic structural view of the hydraulic supporting device of the utility model;

[0026] Figure 4 It is a schematic structural view of the sleeve of the utility model;

[0027] Figure 5 It is an enlarged view of the A figure of the utility model;

[0028] Figure 6 It is a schematic structural view of the stair layer of the utility model;

[0029] In the figure: 1, guest car; 2, hydraulic support device; 3, boarding ladder; 21, hydraulic cylinder; 22, support base; 23, sleeve; 231, T-shaped sliding groove; 232, T-shaped sliding block; 233, annular sliding frame; 234, L-shaped pull plate; 235, support rod; 236, circular side plate; 237, non-slip pad; 238, auxiliary rod; 31, boarding ladder frame; 32, boarding platform; 311, drain hole; 312, stair floor; 313, water guide groove; 314, positioning hole; 315, mounting frame; 316, positioning rod; 317, mesh plate; 318, non-slip rubber strip. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0031] The utility model provides technical scheme: as Figure 1 The utility model discloses a passenger boarding ladder, which comprises a guest car 1, a boarding ladder 3 is installed on the guest car 1, the connection between the guest car 1 and the boarding ladder 3 is prior art, and the hydraulic support device 2 is installed around the guest car 1.

[0032] As Figure 3 , Figure 4 and Figure 5As shown, the hydraulic support device 2 comprises a sleeve 23, the hydraulic cylinders 21 are installed around the passenger car 1, the support bases 22 are arranged at the output ends of the hydraulic cylinders 21, the sleeve 23 is arranged outside the hydraulic cylinders 21, the bottom side of the L-shaped pull plate 234 is connected with the support base 22, equidistant T-shaped sliding grooves 231 are arranged on the outer surface of the sleeve 23, T-shaped sliding blocks 232 are slidably connected in the T-shaped sliding grooves 231, annular sliding frames 233 are fixedly connected to the outer side of the T-shaped sliding blocks 232, the inner wall of the annular sliding frame 233 is slidably connected with the outer wall of the sleeve 23, the L-shaped pull plate 234 is arranged on the outer surface of the annular sliding frame 233 through a connecting piece, when the boarding ladder 3 is connected with the aircraft cabin door, the stable and safe boarding environment is provided through the installed hydraulic support device 2, when the hydraulic cylinder 21 drives the support base 22 to contact the ground, the T-shaped sliding block 232 slides in the T-shaped sliding groove 231, and then the L-shaped pull plate 234 synchronously pulls the support base 22 to ascend and descend, the stable ascending and descending effect of the support base 22 is provided, and then the damage caused by the pressure borne by the hydraulic cylinder 21 is relieved, the support rods 235 are movably connected to the outer surface of the annular sliding frame 233 and located between adjacent two L-shaped pull plates 234, the circular side plates 236 are movably connected to the bottom side of the support rods 235 through connecting pieces, arc-shaped grooves are arranged around the support base 22 and accommodate the circular side plates 236, the antiskid pads 237 are arranged on the bottom side of the circular side plates 236, the auxiliary rods 238 are movably connected to the inner side of the support rods 235 and the lower outer surface of the sleeve 23, the support rods 235 and the auxiliary rods 238 pull the circular side plates 236 outward when the hydraulic cylinder 21 ascends and descends, the support area of the support base 22 is increased, and the stability effect of the boarding ladder 3 is further improved, when the support base 22 does not support the ground, the circular side plates 236 can be accommodated in the arc-shaped grooves around the support base 22, and space is saved.

[0033] As Figure 2 and Figure 6As shown, the boarding ladder 3 includes a boarding ladder frame 31, a boarding platform 32 is installed at the upper end of the boarding ladder frame 31, the boarding platform 32 is docked with the aircraft cabin door, the front and rear ends of the boarding ladder frame 31 are arranged with drainage holes 311, the inner side of the boarding ladder frame 31 is arranged with stair layers 312, the stair layers 312 are provided in plurality, the upper end of the stair layer 312 is arranged with a water guide groove 313, the four sides of the stair layer 312 are provided with positioning holes 314, the water guide groove 313 is aligned with the drainage hole 311, the positioning hole 314 is inserted with a positioning rod 316, the positioning hole 314 and the positioning rod 316 can be installed on the mounting frame 315, the inside foreign matter and impurities are conveniently combed, the positioning rod 316 is fixedly connected with the mounting frame 315 at the top side, the mounting frame 315 is provided with a mesh plate 317 at one side of the hollow portion, the mesh plate 317 can seep rainwater into the water guide groove 313 and quickly discharge through the drainage hole 311, so as to avoid the flowing rainwater from falling along the stair layer 312 and easily wetting the shoes and trousers of passengers, the mounting frame 315 is provided with an anti-skid rubber strip 318 at the other side edge, the anti-skid rubber strip 318 is arranged on the stair layer 312 of the boarding ladder 3, so as to reduce the phenomenon of passengers slipping and falling during boarding.

[0034] The utility model provides a kind of passenger boarding ladder, specific working principle is as follows: when boarding ladder 3 is docked with aircraft cabin door, hydraulic cylinder 21 drives support base 22 to contact with ground, so that T-shaped sliding block 232 is slid in T-shaped sliding slot 231, and then L-shaped pull plate 234 synchronously pulls support base 22 to lift, while support rod 235 and auxiliary rod 238 pull circular side plate 236 to outside, increase the support area of support base 22;Mesh plate 317 can seep rainwater into water guide groove 313 and quickly discharge through drainage hole 311, to avoid the flowing rainwater from falling along the stair layer 312 and easily wetting the shoes and trousers of passengers, set anti-skid rubber strip 318, to reduce the phenomenon of passengers slipping and falling during boarding.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A passenger boarding stair comprising a passenger stair car (1), characterized in that: The passenger elevator (1) is provided with a boarding ladder (3), and the passenger elevator (1) is provided with a hydraulic supporting device (2) around. The hydraulic supporting device (2) comprises a sleeve (23), a T-shaped sliding groove (231) is equidistantly formed on the outer surface of the sleeve (23), a T-shaped sliding block (232) is slidably connected in the T-shaped sliding groove (231), an annular sliding frame (233) is fixedly connected to the outer side of the T-shaped sliding block (232), the inner wall of the annular sliding frame (233) is slidably connected with the outer wall of the sleeve (23), an L-shaped pull plate (234) is arranged on the outer surface of the annular sliding frame (233) through a connecting piece, a supporting rod (235) is movably connected to the outer surface of the annular sliding frame (233) between adjacent two L-shaped pull plates (234), a circular side plate (236) is movably connected to the bottom side of the supporting rod (235) through a connecting piece, an antiskid pad (237) is arranged on the bottom side of the circular side plate (236), and an auxiliary rod (238) is movably connected to the inner side of the supporting rod (235) and the lower outer surface of the sleeve (23).

2. A passenger stair according to claim 1, characterised in that: The passenger elevator (1) is provided with a hydraulic cylinder (21) around, and the output end of the hydraulic cylinder (21) is provided with a supporting base (22).

3. A passenger stair according to claim 1, characterised in that: The sleeve (23) is arranged on the outer side of the hydraulic cylinder (21), and the bottom side of the L-shaped pull plate (234) is connected with the supporting base (22).

4. A passenger stair according to claim 2, characterised in that: Arc-shaped grooves are formed around the supporting base (22), and the circular side plate (236) is accommodated in the arc-shaped grooves.

5. A passenger stair according to claim 1, characterized in that: The boarding ladder (3) comprises a boarding ladder frame (31), a boarding platform (32) is arranged on the upper end of the boarding ladder frame (31), the boarding platform (32) is connected with the cabin door of the airplane, and a drain hole (311) is arranged on the front and rear ends of the boarding ladder frame (31).

6. A passenger stair according to claim 5, characterised in that: A plurality of stair layers (312) are arranged on the inner side of the boarding ladder frame (31), a water guide groove (313) is arranged on the upper end of each stair layer (312), and a positioning hole (314) is formed around each stair layer (312).

7. A passenger stair according to claim 6, characterised in that: A positioning rod (316) is inserted into each positioning hole (314), an installation frame (315) is fixedly connected to the top side of the positioning rod (316), a mesh plate (317) is arranged on one side of the installation frame (315), and an antiskid rubber strip (318) is arranged on the edge of the other side of the installation frame (315).

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