CN219325930U

CN219325930U - Multifunctional tool car for airport connection

Info

Publication number: CN219325930U
Application number: CN202320211474.5U
Authority: CN
Inventors: 尤伟
Original assignee: HNA Aviation Technic Co Ltd
Current assignee: HNA Aviation Technic Co Ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-11
Anticipated expiration: 2033-02-13

Abstract

A multifunctional tool car for airport connection comprises a frame and a turnover ladder frame movably arranged on the frame. The frame comprises a chassis and handrails fixed on the chassis, wherein a conical frame is upwards arranged at the front end of the chassis, a plurality of object placing rods are arranged on a frame body of the chassis at intervals, and a pair of ladder frame supporting blocks are arranged in the middle of the chassis. A pair of lugs are symmetrically arranged on the rod body of the handrail, a turnover shaft is arranged on the lugs, and the turnover shaft is integrally connected with the turnover ladder frame; one end of the turnover ladder frame is hinged on the handrail, and the other end of the turnover ladder frame is supported on the underframe by the ladder frame supporting block. The multifunctional tool car combines the two original tool cars respectively loaded with the wheel block and the reflecting cone for the machine, and the turnover ladder frame is arranged on the multifunctional tool car, so that the machine-connecting personnel can conveniently ascend a height to work, the trouble that a climbing ladder is required to be carried when the machine is connected in the past is solved, and the machine-connecting work is more convenient and efficient.

Description

Multifunctional tool car for airport connection

Technical Field

The utility model relates to the technical field of aircraft ground maintenance, in particular to a multifunctional tool car for airport connection.

Background

After the aircraft enters the port and slides to the appointed stand, the aircraft receiving personnel need to execute the service work of receiving the aircraft. The service work of the access machine mainly comprises the following three aspects: firstly, wheel blocks are placed in front of and behind wheels of an airplane to prevent the airplane from accidentally sliding after the braking is released; secondly, a reflecting cone is arranged in front of the front and back of the machine body, the left and right large wings and the left and right engines, so that damage to the aircraft caused by the approach of service vehicles is prevented; thirdly, after the service work of the aircraft is completed, the aircraft receiving personnel need to open an earphone cover plate on the aircraft body, and insert an earphone to communicate with the aircraft set for the service work. In the past, wheel shelves and reflection of light awl that work in the grafting work need transport with a wheel shelves car and a reflection of light awl car respectively, very waste manpower and materials to, because the earphone apron setting of some models aircraft is in the higher position on the aircraft fuselage, ordinary stature's grafting personnel can not reach this position directly, only can borrow the cat ladder that also inconvenient carries of heaviness to accomplish this operation, seriously influences the efficiency of grafting work.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a multifunctional tool car for airport connection, which overcomes the defects in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a multi-functional tool bogie that airport when connecing machine, includes a frame and the upset ladder frame of activity setting on the frame, further:

the frame comprises a bottom frame and an armrest fixed on the bottom frame;

the front end of the underframe is upwards fixedly provided with a conical frame, a plurality of object placing rods are arranged on a frame body of the underframe at intervals, and a pair of ladder frame supporting blocks are arranged in the middle of the underframe;

the handrail is characterized in that a pair of lugs are symmetrically arranged on a rod body of the handrail, a turnover shaft is rotatably arranged on the lugs, and the turnover shaft is integrally connected with the turnover ladder frame; one end of the turnover ladder frame is hinged to the handrail through the coordination of the turnover shaft and the lugs, and the other end of the turnover ladder frame is supported on the underframe by the ladder frame supporting blocks.

Further, one end of the turnover shaft is provided with external threads, and the other end of the turnover shaft is provided with a stop piece; the turnover shaft is installed in the installation hole of the lug in an inserting mode, one end of the turnover shaft, which is provided with external threads, is matched with the nut and the reset spring, and the turnover shaft limits the turnover angle of the turnover shaft through a limiting assembly.

Further, the limiting assembly comprises a limiting pin fixedly arranged on the lug, and a first pin hole and a second pin hole which are formed in the stop piece.

Further, a 270-degree turnover included angle is formed among the first pin hole, the second pin hole and the axle center of the turnover shaft.

Preferably, the turnover ladder frame is a ladder frame with a right angle bend.

Preferably, the frame and the overturning ladder frame are both of steel pipe frame structures.

Preferably, a crank is further arranged on the shaft center position of the stop piece.

Preferably, the front end of the underframe is also provided with supporting legs downwards, and the rear end of the underframe is provided with universal wheels downwards.

Compared with the prior art, the utility model has the beneficial effects that:

1) The multifunctional tool car used when the airport is connected with the machine combines the two original tool cars respectively provided with the wheel block and the reflecting cone into one multifunctional tool car, and the multifunctional tool car is provided with the overturning ladder frame, so that the machine connecting personnel can conveniently ascend a height to operate, the trouble that the machine connecting personnel needs to carry a ladder stand in the past is solved, and the machine connecting work is more convenient and efficient.

2) The multifunctional tool car for airport connection is characterized in that the overturning ladder frame limits the overturning angle of the overturning ladder frame through a limiting assembly, and the limiting assembly comprises a limiting pin fixedly arranged on the lug, and a first pin hole and a second pin hole which are formed in the stop piece; when the limiting pin is matched with the first pin hole, the overturning ladder frame is in a locking state of being horizontally placed on the underframe, and when the limiting pin is matched with the second pin hole, the overturning ladder frame is in a locking state after overturning, so that the stability of the overturning ladder frame is enhanced.

In order that the utility model may be more clearly understood, preferred embodiments of the utility model will be described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

fig. 4 is an exploded view of the present utility model.

The attached drawings are identified:

1-underframe, 2-handrail and 3-turnover ladder rack; 11-supporting legs, 12-universal wheels, 13-ladder frame supporting blocks, 14-conical frames and 15-object placing rods; 21-lugs, 22-turnover shafts, 23-stop pieces and 24-return springs; 41-limit pin, 42-first pin hole, 43-second pin hole.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are primarily for distinguishing between different devices, elements, or components (the particular categories and configurations may be the same or different) and are not intended to indicate or imply relative importance or quantity of the devices, elements, or components indicated, but are not to be construed as indicating or implying relative importance.

Furthermore, unless explicitly stated or limited otherwise, the terms "mounted," "configured with," "engaged with/connected to," and the like, are to be construed broadly as meaning, for example, "connected to," whether fixedly connected to, detachably connected to, or integrally connected to; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two elements; the specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the utility model provides a multifunctional tool car for airport pickup, comprising a frame and a turnover ladder frame 3 arranged on the frame, wherein the frame comprises a bottom frame 1 and a handrail 2 fixed on the bottom frame 1, one end of the turnover ladder frame 3 is hinged on the handrail 2, and the other end is supported on the bottom frame 1. When the turnover ladder frame 3 is horizontally placed on the underframe 1, a reflection cone for receiving an airplane and an airplane wheel block can be placed on the underframe 1; when the turnover ladder frame 3 turns to the outer side of the frame in sequence, one end of the turnover ladder frame 3 is still hinged to the handrail 2, the other end of the turnover ladder frame is turned over and then is propped against the ground, at the moment, the turnover ladder frame 3 forms a step, and a worker can stand on the turnover ladder frame 3, so that the effect of ascending operation is achieved.

The front end of the underframe 1 is provided with a supporting foot 11 downwards, and the rear end of the underframe is provided with a universal wheel 12 downwards.

Further, the middle part of the underframe 1 is provided with a pair of ladder frame supporting blocks 13, and the ladder frame supporting blocks 13 are used for horizontally supporting the turnover ladder frame 3, so that the turnover ladder frame 3 can be horizontally placed on the underframe 1.

Furthermore, a conical frame 14 is fixedly arranged at the front end of the underframe 1 upwards, and the conical frame 14 is used for stacking and placing a light reflecting cone for the crew to connect.

Further, a plurality of object placing rods 15 are arranged on the frame body of the underframe 1 at intervals, and the object placing rods 15 are used for placing wheels for the crew to take on the machine.

The handrail 2 is symmetrically provided with a pair of lugs 21 on a rod body, a turnover shaft 22 is rotatably arranged on the lugs 21, the turnover shaft 22 is integrally connected with the turnover ladder frame 3, and the turnover ladder frame 3 is hinged on the handrail 2 through the cooperation of the turnover shaft 22 and the lugs 21.

Further, an external thread is provided at one end of the turning shaft 22, a stop piece 23 is provided at the other end, the turning shaft 22 is mounted in the mounting hole of the lug 21 in a plugging manner, the end of the turning shaft 22 provided with the external thread is mounted on the lug 21 through the cooperation of the nut and the return spring 24, and under the cooperation of the nut, the return spring 24 and the stop piece 23, the turning shaft 22 can be reset after being pulled laterally along the axial direction.

Further, the turning shaft 22 defines the turning angle thereof by a limiting assembly, thereby also defining the turning angle of the turning ladder 3.

The limiting assembly comprises a limiting pin 41 fixedly arranged on the lug 21, and a first pin hole 42 and a second pin hole 43 which are formed in the stop piece 23, wherein an included angle of 270 degrees is formed between the first pin hole 42, the second pin hole 43 and the axle center of the turning axle 22. During the turning of the turning ladder 3, the first pin holes 42 and the second pin holes 43 correspond to the limit pins 41 on the lugs 21, respectively. Specifically, when the turnover ladder frame 3 is in a horizontal placement state, the limiting pin 41 can be inserted into the first pin hole 42, the turnover ladder frame 3 is limited by the ladder frame supporting block 13 and the limiting pin 41 together, at this time, the turnover ladder frame 3 is horizontally placed on the underframe 1, and in this state, the turnover ladder frame 3 can also be used for placing a wheel block for machine connection; when the turnover ladder frame 3 is turned backwards to the ground, the turnover ladder frame 3 is turned 270 degrees, the limiting pin 41 can be inserted into the second pin hole 43, and a worker can stand on the turnover ladder frame 3 at this time, so that the effect of ascending work is achieved. When the limiting pin 41 is matched with the first pin hole 42, the overturning ladder frame 3 is horizontally arranged on the underframe 1; when the limit pin 41 is matched with the second pin hole 43, the turnover ladder frame 3 turns over to be a climbing step.

Preferably, in this embodiment, the turning ladder 3 is a ladder having a right angle bend.

Preferably, in this embodiment, the frame and the turnover ladder frame 3 are both steel pipe frame structures.

Preferably, in this embodiment, a crank is further disposed on the axial center of the stop piece 23, and the turning ladder frame 3 can be driven to turn by the crank.

The application method of the multifunctional tool car used in airport connection in the actual working condition comprises the following steps:

1) Before the airplane is ready to be connected (at the moment, the overturning ladder frame 3 is horizontally placed on the underframe 1), an airplane receiving person places an airplane wheel block and a reflecting cone at corresponding positions on the frame, and when the airplane enters a port to a designated airplane position, the airplane receiving person needs to take down the wheel block and the reflecting cone on the tool car and place the wheel block and the reflecting cone at designated positions of an airplane receiving program;

2) After the aircraft receiver puts the wheel shelves and the reflecting cone, the aircraft receiver cover plate needs to be opened at the moment to insert the earphone to communicate with the machine set, and the aircraft receiver needs to turn the turnover ladder frame 3 on the tool car into a ascending step, so that the aircraft receiver cover plate at a higher position is conveniently contacted. The specific operation of turning over the turning over ladder frame 3 is as follows:

2.1 The turning shaft 22 is pulled laterally by a machine receiving person through a crank on the stop piece 23 or directly exerting force on the turning ladder frame 3, and the turning shaft 22 drives the stop piece 23 to be far away from the lug 21, so that the limiting pin 41 on the lug 21 is loosened from the first pin hole 42 on the stop piece 23 (the front limiting pin 41 is matched with the first pin hole 42, and the locking state of the turning ladder frame 3 is horizontally placed), and the unlocking effect is achieved.

2.2 After unlocking, the operator rotates the crank to turn the turning ladder frame 3 clockwise for 270 degrees, the limit pin 41 is matched with the second pin hole 43 after turning, the turning ladder frame 3 is reset laterally under the action of the reset spring 24, the limit pin 41 is inserted into the second pin hole 43, and the turning ladder frame 3 is locked (this is the locked state after the turning ladder frame 3 is turned), so that the turning of the turning ladder frame 32 is limited, and the ladder frame is more stable.

2.3 The aircraft receiver steps on the step-shaped overturning ladder frame 3, opens the aircraft earphone cover plate, inserts the earphone and the unit for communication, pulls out the earphone after communication, and closes the earphone cover plate.

2.4 Similarly, the aircraft receiving personnel rotates the crank or directly applies force on the overturning ladder frame 3, and the overturning ladder frame 3 is overturned anticlockwise for 270 degrees, so that the overturning ladder frame 3 is restored to the original state of being horizontally arranged on the underframe 1 (the horizontally arranged locking state of the overturning ladder frame 3), and the retracted wheel block and the light reflecting cone are stored in the corresponding positions on the tool car again before the aircraft goes out of the port, so that the aircraft receiving operation is completed once.

Compared with the prior art, the multifunctional tool car for airport connection of the scheme combines two original tool cars respectively provided with the wheel block and the reflecting cone into one multifunctional tool car, and the multifunctional tool car is provided with the overturning ladder frame 3, so that the machine connection personnel can conveniently ascend a height for operation, the trouble that a climbing ladder is required to be carried when the machine connection is realized in the past is solved, and the machine connection is more convenient and efficient.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a multi-functional tool bogie that airport was used when connecing machine, includes a frame and the upset ladder frame of activity setting on the frame, its characterized in that:

the frame comprises a bottom frame and an armrest fixed on the bottom frame;

2. The multi-purpose tool cart for airport pickup of claim 1, wherein: one end of the turnover shaft is provided with external threads, and the other end of the turnover shaft is provided with a stop piece; the turnover shaft is installed in the installation hole of the lug in an inserting mode, one end of the turnover shaft, which is provided with external threads, is matched with the nut and the reset spring, and the turnover shaft limits the turnover angle of the turnover shaft through a limiting assembly.

3. The multi-purpose tool cart for airport pickup of claim 2, wherein: the limiting assembly comprises a limiting pin fixedly arranged on the lug, and a first pin hole and a second pin hole which are formed in the stop piece.

4. A multi-purpose tool vehicle for use in connection with airport terminals according to claim 3, wherein: and a 270-degree turnover included angle is formed among the first pin hole, the second pin hole and the axle center of the turnover shaft.

5. The multi-purpose tool cart for airport pickup of claim 4, wherein: the overturning ladder frame is a ladder frame with a right angle bending.

6. The multi-purpose tool cart for airport pickup of claim 4, wherein: the frame and the overturning ladder frame are both of steel pipe frame structures.

7. The multi-purpose tool cart for airport pickup of claim 4, wherein: the axle center position of the stop piece is also provided with a crank.

8. The multi-purpose tool cart for airport pickup of claim 4, wherein: the front end of the chassis is also provided with supporting legs downwards, and the rear end of the chassis is provided with universal wheels downwards.