CN218662405U - But airstair platform of automatically regulated vertical displacement - Google Patents

Abstract

The utility model discloses a but airstair platform of automatically regulated vertical displacement relates to airstair technical field, including automobile body, step, platform, the step articulates automobile body afterbody, the platform is installed step one end, the step with still be connected with the pneumatic cylinder between the automobile body, the installing port has been seted up to platform one side, sliding connection has the flexible platform in the installing port, the installing port is still equipped with a plurality of springs, and is a plurality of spring one end all with flexible platform contacts, flexible platform one side below is rotated and is connected with first pivot, the equal fixed mounting in first pivot both ends has the pulley, first pivot is connected with displacement monitoring subassembly, has solved the technical problem that the platform of current airstair can't realize docking in real time with cabin every lower limb.

Description

But airstair platform of automatically regulated vertical displacement

Technical Field

The utility model relates to an airstair technical field specifically is an airstair platform that can automatically regulated vertical displacement.

Background

The airstairs are special equipment for passengers to get on or off the airplane at the airport, and when the airplane is stopped at the airport, the airstairs are aligned with the door of the passenger cabin of the airplane so as to be convenient for the passengers to get on or off the airplane.

In the utility model patent of publication No. CN215851957U, disclosed a passenger airstair, including the fixed ladder that chassis and slant set up, the one end on chassis articulates there is the support frame that upwards extends towards the other end slope, and the chassis upside is equipped with and drives the support frame around its and chassis between the pin joint wobbling drive assembly, is connected with on the support frame and can follows its length direction reciprocating motion's slide ladder, the lower extreme on chassis articulates on the support frame and on the upper end overlap joint slide ladder.

However, in some large passenger transport machines and large freight transport machines, the horizontal heights of the cabin doors have a large difference between the unloaded state and the fully loaded state, the platform of the existing airstairs cannot be in real-time butt joint with the lower edge of the cabin door, and the safety and comfort of passengers and workers during boarding and disembarking cannot be ensured.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a but airstair platform of automatically regulated vertical displacement has solved the technical problem that the platform of current airstair can't realize and cabin door lower limb docks in real time.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a but airstair platform of automatically regulated vertical displacement, includes automobile body, step, platform, the step articulates the automobile body afterbody, the platform is installed step one end, the step with still be connected with the pneumatic cylinder between the automobile body, the installing port has been seted up to platform one side, sliding connection has flexible platform in the installing port, the installing port still is equipped with a plurality of springs, and is a plurality of spring one end all with flexible platform contacts, flexible platform one side below is rotated and is connected with first pivot, the equal fixed mounting in first pivot both ends has the pulley, first pivot is connected with the displacement monitoring subassembly.

Preferably, the displacement monitoring subassembly is including fixed locating the mount pad of flexible platform lower surface position, the mount pad internal rotation is provided with the second pivot, be equipped with first gear on the first pivot, second pivot one end be equipped with first gear engaged with second gear, flexible platform lower surface is located the fixed slide rail that is provided with in mount pad one side, sliding connection has the slider on the slide rail, be equipped with the screw thread in the second pivot, the slider with the screw thread meshes mutually, flexible platform lower surface is located the slide rail both sides are equipped with first contact pick-up and second contact pick-up respectively.

Preferably, a pair of guard plates is fixedly arranged on the platform, a pair of fixing rods is arranged on the telescopic table, a plurality of inserting rods are arranged on one sides of the fixing rods, a plurality of sleeves are arranged on the inner side wall surfaces of the guard plates, and the inserting rods are inserted into the sleeves.

Preferably, the pulley is a rubber wheel.

Advantageous effects

The utility model provides a but airstair platform of automatically regulated vertical displacement possesses following beneficial effect:

1. when the cabin door of the airplane moves downwards, the pulley is in contact with the surface of the airplane to enable the first rotating shaft to rotate, the first rotating shaft drives the second rotating shaft, the second rotating shaft drives the sliding block to move, the first contact sensor can be triggered through the sliding block, an electric signal is sent to a control loop of the hydraulic cylinder through the first contact sensor, the hydraulic cylinder drives the platform to descend, and the platform moves downwards along with the cabin door of the airplane; when the aircraft cabin door moves upwards, the pulley can be driven to rotate reversely, and the second contact sensor is triggered through the slider, so that the platform moves upwards along with the aircraft cabin door, and the real-time butt joint of the platform of the airstairs and the lower edge of the cabin door is ensured;

2. the telescopic table is connected in the platform in a sliding manner, and the connection between the platform and the cabin door of the airplane can be ensured under the pushing of the spring, so that the platform cannot move to one side of the airplane continuously or a gap is generated between the platform and the airplane when the step moves;

3. when the telescopic table moves, the telescopic table can provide telescopic amount by inserting the inserted rod into the sleeve, so that the protection function for passengers is achieved, and the safety is improved.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is an enlarged view of B in FIG. 1;

fig. 4 is a top view of the platform of the present invention;

fig. 5 is a bottom view of the middle platform of the present invention.

In the figure: 1. a vehicle body; 2. a step; 3. a platform; 4. a hydraulic cylinder; 5. a telescopic table; 6. a first rotating shaft; 7. a pulley; 8. a first gear; 9. a mounting seat; 10. a second rotating shaft; 11. a second gear; 12. a slide rail; 13. a slider; 14. a thread; 15. a first contact sensor; 16. a second contact sensor; 17. a spring; 18. a guard plate; 19. fixing the rod; 20. inserting a rod; 21. a sleeve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a but vertical displacement's airstair platform of automatically regulated, which comprises a carriage body 1, step 2, platform 3, step 2 articulates at 1 afterbody of automobile body, platform 3 is installed in 2 one ends of step, still be connected with pneumatic cylinder 4 between step 2 and the automobile body 1, promote the height that step 2 changes platform 3 through pneumatic cylinder 4, the installing port has been seted up to platform 3 one side, sliding connection has expansion table 5 in the installing port, still be equipped with a plurality of springs 17 in the installing port, a plurality of springs 17 one end all contact with expansion table 5, expansion table 5 one side below is rotated and is connected with first pivot 6, the equal fixed mounting in first pivot 6 both ends has the pulley 7 that is used for with aircraft surface contact, first pivot 6 is connected with the displacement monitoring subassembly, can outwards promote expansion table 5 through being equipped with spring 17, and then make pulley 7 and aircraft surface in close contact with, it drives pulley 7 to change through the high emergence of aircraft and rotates, the height that platform 3 was adjusted in the rotation of first pivot 6 to monitor subassembly through the displacement.

The displacement monitoring assembly comprises a mounting seat 9 fixedly arranged on the lower surface of the telescopic table 5, a second rotating shaft 10 is arranged in the mounting seat 9 in a rotating mode, a first gear 8 is arranged on the first rotating shaft 6, a second gear 11 meshed with the first gear 8 is arranged at one end of the second rotating shaft 10, a sliding rail 12 is fixedly arranged on one side of the mounting seat 9 on the lower surface of the telescopic table 5, a sliding block 13 is connected onto the sliding rail 12 in a sliding mode, threads 14 are arranged on the second rotating shaft 10, the sliding block 13 is meshed with the threads 14, a first contact sensor 15 and a second contact sensor 16 are arranged on two sides of the sliding rail 12 on the lower surface of the telescopic table 5 respectively, the second rotating shaft 10 can be driven to rotate when the first rotating shaft 6 rotates, the sliding block 13 can move on the sliding rail 12 when the second rotating shaft 10 rotates, and the first contact sensor 15 or the second contact sensor 16 can be triggered through the movement of the sliding block 13.

A pair of guard plates 18 are fixedly arranged on the platform 3, a pair of fixing rods 19 are arranged on the telescopic table 5, a plurality of inserting rods 20 are arranged on one sides of the pair of fixing rods 19, a plurality of sleeves 21 are arranged on the inner side wall surfaces of the pair of guard plates 18, the plurality of inserting rods 20 are inserted into the plurality of sleeves 21, and when the telescopic table 5 moves, the telescopic amount can be provided in the sleeves 21 through the inserting rods 20 in an inserting mode, so that the protection function for passengers is achieved.

The pulley 7 is a rubber wheel, and friction force can be improved through the rubber wheel, and meanwhile the pulley 7 is prevented from scratching the surface of the airplane.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

The utility model discloses a theory of operation and use flow: when in use, the first contact sensor 15 and the second contact sensor 16 are respectively connected with a control loop of the hydraulic cylinder 4 through leads; the bodywork 1 is opened to the vicinity of the aircraft, the platform 3 is lifted by the hydraulic cylinder 4 and is aligned with the lower edge of the aircraft cabin door, the bodywork 1 is continuously actuated to bring the pulley 7 into contact with the aircraft surface and compress the spring 17; when the door of the airplane moves downwards, the pulley 7 is in contact with the surface of the airplane to enable the first rotating shaft 6 to rotate, the first rotating shaft 6 can drive the second rotating shaft 10 to rotate, the second rotating shaft 10 can drive the sliding block 13 to move when rotating, the sliding block 13 can trigger the first contact sensor 15, the first contact sensor 15 sends an electric signal to a control loop of the hydraulic cylinder 4, the hydraulic cylinder 4 drives the platform 3 to descend, the platform 3 moves downwards along with the door of the airplane, and the pulley 7 rotates reversely when the platform 3 descends, so that the sliding block 13 is controlled to be far away from the first contact sensor 15; when the airplane cabin door moves upwards, the pulley 7 can be driven to rotate reversely, and the second contact sensor 16 is triggered through the sliding block 13, so that the platform 3 moves upwards along with the airplane cabin door; through telescopic table 5 sliding connection in platform 3, and can guarantee the connection between platform 3 and the aircraft cabin door under the promotion of spring 17, prevent when step 2 removes, platform 3 can't continue to remove to aircraft one side, or lead to producing the clearance between platform 3 and the aircraft.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a but airstair platform of automatically regulated vertical displacement, includes automobile body (1), step (2), platform (3), step (2) articulate automobile body (1) afterbody, install platform (3) step (2) one end, step (2) with still be connected with pneumatic cylinder (4) between automobile body (1), its characterized in that, the installing port has been seted up to platform (3) one side, sliding connection has expansion table (5) in the installing port, the installing port still is equipped with a plurality of springs (17), and is a plurality of spring (17) one end all with expansion table (5) contact, expansion table (5) one side below is rotated and is connected with first pivot (6), the equal fixed mounting in first pivot (6) both ends has pulley (7), first pivot (6) are connected with the displacement monitoring subassembly.

2. An airstair platform capable of automatically adjusting vertical displacement according to claim 1, wherein the displacement monitoring assembly comprises a mounting seat (9) fixedly arranged on a lower surface of the telescopic platform (5), a second rotating shaft (10) is rotatably arranged in the mounting seat (9), a first gear (8) is arranged on the first rotating shaft (6), a second gear (11) engaged with the first gear (8) is arranged at one end of the second rotating shaft (10), a sliding rail (12) is fixedly arranged on one side of the mounting seat (9) on the lower surface of the telescopic platform (5), a sliding block (13) is slidably connected on the sliding rail (12), a thread (14) is arranged on the second rotating shaft (10), the sliding block (13) is engaged with the thread (14), and a first contact sensor (15) and a second contact sensor (16) are respectively arranged on two sides of the sliding rail (12) on the lower surface of the telescopic platform (5).

3. An escalator platform capable of automatically adjusting vertical displacement according to claim 1, wherein a pair of guard plates (18) is fixedly arranged on the platform (3), a pair of fixing rods (19) is arranged on the telescopic platform (5), a plurality of insertion rods (20) are arranged on one side of each fixing rod (19), a plurality of sleeves (21) are arranged on the inner side wall surfaces of the guard plates (18), and the insertion rods (20) are inserted into the sleeves (21).

4. An automatically vertically adjustable airstair platform according to claim 1, characterized in that the pulleys (7) are rubber wheels.

Images